2012年5月31日星期四

technical characteristics of the screw conveyor


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plansifter - China Manufacturer
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     Closed by the drive slot boxes and spiral composition of the coal goes on output by spiral rotation slot boxes.
 The screw conveyor is characterized by: simple structure, small cross-sectio nal size, good sealing, reliable, low cost,

easy to intermediate loading and unloading, conveying direction reverse can also be at the same time conveying the opposite

two directions. Transport process can be material for stirring, mixing, heating and cooling operations. Adjustable material

flow through the loading gate. But not to transport perishable viscous, easy to agglomerate, and large pieces of material.

The transportation process the material is easily broken screw and trough and easy to wear. Unit power. To maintain

adequate clearance between the tightness of the trough and spiral trough.
The vertical screw conveyor in the short-distance vertical transportation. The flexible screw conveyor spiral by a flexible

shaft and synthetic rubber blade, easy to bend, in accordance with the requirements of any site or process layout, space

transportation. Screw conveyor blades now pull the whole pull lost, now pull can be made of any thickness and size

specifications, the entire pull should not make a non-standard spiral.

2012年5月30日星期三

Solar LED Street to support the new rural construction projects


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reading lamp - China Manufacturer
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http://www.swinled.com/key-led-reading-lamps-3/



    Recently concluded United Nations in Durban, South Africa to address climate change conference high-end meeting of the

driver change, the meeting of the Global Action \", implemented jointly by the municipal government of Guiyang, the Climate

Group, and Philips Lighting, Solar LED Street Light project was declared as a public-private partnerships one of the top ten

global partnership model case.
One of the partners as the \"1000 Village Plan, Philips more than a dozen local villages to Guiyang product of the total value

of more than 1 million yuan; combined with local sunshine conditions and needs, Guiyang Special design developed to meet the

continuous lighting needs of the five days of rainy days, combined with the Smart Solar LED Street light control and time

control.

2012年5月29日星期二

LED display in the IP protection class instructions


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Sheng brand LED is one of the Shenzhen LED displays and LED lighting manufacturers with independent production strength, which Main: LED display LED screen, LED electronic display, full-color L ED display, LED electronic screen, LED lease screen and LED display products, like other products have their own rating logo. The level of the LED display is generally expressed with IP ** IP add an Arabic numerals, on behalf of the LED display of a performance and characteristics.

 

Protection class system is drafted by the IEC (International Electro the Technical Commission). The LED display according to the dust, to prevent the intrusion of foreign material, waterproof, anti-moisture characteristics to grade. Foreign objects referred to here include tools, a human finger Dengjun not come into contact with live parts within the lamp to avoid electric shock.
IP protection class is composed of two numbers, the first digital LED display dust level to prevent the intrusion of foreign objects; said second digital LED display anti-moisture, water penetrated the closed. The higher the number, indicating that the higher the protection level. Dust level (first X), the water level (the second X)
        The first X represents the significance of the digital code
        0: No protection
        1: to prevent large solid invasive
&nb sp;       2: to prevent medium-sized solid-invasive
        3: Prevention of small solids to enter the invasive
        4: To prevent solid objects greater than 1mm into the
        5: to prevent the harmful accumulation of dust
        6: completely prevent dust entering the
        The second X represents the significance of the digital code
        0: No protection
        1: the water droplets trickle-down to the shell
        2: When the shell tilted to 15 degrees, the water droplets trickle-down to the shell
        3: water or rain water from the 60 degree corner to the outer shell
        4: Liquid splashed from any direction to the shell does no harm to affected
        5: wash with water without any harm
        6: can be used inside the cabin environment
        7: in a short period of time, resistance to water immersion (1m)
        8: at a certain pressure for a long time soaking
        Example: LED display marked IP65, said the product can completely prevent dust entering and wash with water without any harm. The vision of light in the high cross at once show the full protection of a P8 LED display can be immersed in water under a certain pressure for a long time to play. Is a super-IP67 to IP68 standard of protection around the clock LED display.

2012年5月24日星期四

conveying the basic operation of the mechanical SMAW


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SMAW basic operating techniques: multi-function laser processing machine computer control system for linear motor speed feed system performance optimization discuss large-scale sculpture surface parts of NC programming the key reaming and reamer fundamental concept processing long crankshaft servo the difficulties of grinding technology Butt Gap tantalum sheet TIG helium arc weld pool and forms of Numerical Analysis on a dedicated machine to carry out laser cutting welding puzzle craft fatigue behavior of CNC machining in the car rear disposal ways to buy single-phase electronic energy meter to pay attention to matters of domestic mechanical CAD design of mechanical term in the future analysis of the harmonic movement of the offline programming of robot arc welding system complete CNC punch press program design process and dispose of Introduction to CNC machine classification Introduction to Chongqing Machine Tool shaving machine column country focus on new products the current situation to carry out strategic tool enterprises in China consider Sandvik Coromant introduced new grades of cast iron milling into why the valve market mainstream products? programming of CNC milling and process analysis of [tag: tag] electrode arc welding is the mask View and stop operation. Due to poor visibility, poor working conditions. Thus to ensure the welding quality, not just request a more skilled operation techniques, should also be noted the force is highly concentrated. For beginners to practice should pay attention to: current suitable electrode is shorter arc, the welding speed not faster, trying to average. Workpiece prior to welding joints on both sides of 20mm within the
SMAW is to look under the mask and stop operation. Due to poor visibility, poor working conditions. Thus to ensure the welding quality, not just request a more skilled operation techniques, should also be noted the force is highly concentrated. For beginners to practice should pay attention to: current suitable electrode to the positive, the arc is short, do not fast welding speed, trying to average.
Prior to welding, liquidation of the workpiece joints on both sid es of 20mm within the exterior clean (eliminate rust, oil, water), and the electrode end of the metal core exposed in order to stop the short-circuit arc. Arc approach has two kinds of percussion and friction law; which the friction law analogy is easy to control, suitable for beginners arc operation.

2012年5月23日星期三

Are three ways to prevent falling


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replacement seat belts - China Manufacturer
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A work area restrictions: restrict the activities of the workers, through the use of personal protective systems to prevent their entry into the area that may occur fall include: mount point / mount poin t connections, harness-20/">full body harness or belt, the middle connector and limit the Department of rope. belt in order to use only in case of fall risk, and can not be used with body mission.
2, the working position. Personal protective work positioning, and to bear the weight of the workers, so workers can free up your hands to work include: mount point / end point connections, full body harness or positioning belt intermediate connectors and limit tether. positioning belt only in the absence of fall risk, and can not use a body harness.
European regulations, fall brake if you want to work at a height of 2 m and above the coexistence of fall risk, fall system must use the system. The rest of the system: mount point / pendant connectors, body harness, with a buffer reduction the middle of the shock absorber connection, and to select personal < a href="http://www.chinaseatbelt.com/">fall protection products, we recommend that you plan the possible rescue or withdrawal program. two or three hanging points of the body harness will be used as a rescue products.

The medical catheter key areas booming market


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dental light bulbs - China Manufacturer
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- Domestic and foreign enterprises in the global competition in the gap has been getting smaller and smaller
 
Medical catheters as an important category in medical devices, play an increasingly important role in modern

medicine clinics, and expanding range of applications. Wide range of needs brought about the prosperity of

the market, According to the Bcc Research, Statistics, 2007, 2008, 2009, the global medical catheters market

total sales to were $ 13,000,000,000 $ 14,500,000,000 $ 18,000,000,000; expected to 2014 global medical

catheter up to $ 32.1 billion in sales; the 2009-2014 five-year compound annual growth rate of 12.3%.
 
This article describes these two tracheal intubation and catheter medical catheters, as well as emerging

areas - blood purification products market development status of the cardiopulmonary bypass piping.

Statistics and analysis, you can see the gap between domestic and foreign medical tubing manufacturers in

global competition has become increasingly small, the leading domestic manufacturers have a strong

competitiveness in the medical catheter segments, the development grew faster .
 
Tracheal intubation: the sudden emergence of domestic enterprises
 
The global sales volume of tracheal intubation in the growing year by year from 2008 to 2010, rising from

165,084,100 in 2008 to 200,920,900 in 2010, three-year compound annual growth rate of 10.32%. In addition,

the U.S. and Europe hospitals in developed countries has basically been popularized anesthesia with laryngeal

mask products, intubation, also belongs to tracheal intubation products from a broad point of view. Laryngeal

mask clinical use in the world is relatively small, but sales growth is faster, usage rose from 19,810,100 in

2008 to 31,343,700 in 2010, the annual growth in more than 24%, 3 years The compound annual growth rate of

25.79%.
 
Intuba tion sales faster growth in the Chinese market. The drive intubation rapid market growth mainly due to

the rapid growth of the amount of anesthesia. Chinese general anesthesia surgery accounted for 29% of

hospital surgical volume in China, 92 percent use of muscle relaxants in anesthesia, and the use of muscle

relaxants should be used for tracheal intubation. According to the statistics on the consumption of muscle

relaxants, tracheal intubation sales rose from 8.2991 million in 2008 to 10,986,600 in 2010, the annual

growth rate in more than 12%, 3-year compound annual growth rate of 15.06 %, a rate faster than the

intubation sales growth rate in foreign markets. However, the domestic market accounted for a smaller global

intubation market ratio, the market remains to be further tap.
 
Accordance with the sales volume statistics, global i ntubation market, the the Ke medical benefits (of

Covidien) and the United States of Teleflex Medical (Teleflex) breakdown of the first two. Taken together,

the global proportion of tracheal intubation sales accounted for more than 50%.
 
Compared with the international medical giant, in the case of rising sales, China\\ s domestic the intubation

production enterprises in the global market share position is constantly solid. Domestic manufacturers of

endotracheal intubation sales volume is relatively small, but the fast pace of development in recent years,

the sudden emergence in the field. Intubation sales of domestic producers in 2010 accounted for 20.20% of the

world. The main representative enterprises dimensional power medical equipment Co., Ltd. the camel Medical

Devices Co., Ltd., Zhejiang Sujia Medical Devices Co., Ltd.. Among the m, the peacekeeping force medical sales

in the global market in tracheal intubation in the forefront, accounting for nearly 10 percent of global

sales, ranked first in domestic sales.
 
Indwelling catheter: domestic sales growth is higher than foreign
 
According to the Boston study, the global catheter market size year by year the rapid expansion of the

catheter market is about $ 3.2 billion in 2010, the annual growth rate between 6% and 12%. The U.S. and EU

markets dominate the global market of urinary catheters, these two markets tend to steady growth. From the

perspective of the global market, the future growth of the catheter market comes mainly from the developing

countries of Eastern Europe, Latin America and the Asia-Pacific region, Asia-Pacific region is the fastest

growing.
 
From the use of time, the catheter is usually divided int o the indwelling catheter and temporary catheter,

which indwelling catheter. The global sales of indwelling catheter to maintain a steady growth trend, rising

from 340,099,700 in 2008 to 39,170.65 million sticks of 2010, the three-year compound annual growth rate of

7.32%. EU indwelling catheter market, followed by the United States.
 
From the global market, latex indwelling catheter of sales is far greater than the sales of silicone

indwelling catheter. Latex indwelling catheter sales increased to 2008 313 143 700 348 282 500 in 2010, the

three-year compound annual growth rate of 5.46%; silicone indwelling catheter sales of 26.956 million in 2008

rose to 43.424 million in 2010, three-year compound annual growth rate of 26.92%.
 
Indwelling catheter sales in the Chinese market increased year by year, rising from 21.496 million in 2008 to

26,080,200 in 2010, annual sales growth rate of 9.5%, three-year compound annual growth rate of 10.15%.

higher than the foreign market sales growth rate of indwelling catheters. China\\ s domestic market due to the

actual volume of surgery needs, habits, charging policy and influence, indwelling catheter consumption

accounts for global proportion is low, only about 6.5%. Considering China\\ s population accounts for nearly 20

percent of the global population, the proportion and the gradual release of the medical needs of the

indwelling catheter market is still large room for growth.
 
Indwelling catheter market worldwide, sales of the top three companies were tremendously (Teleflex medical

private, limited), Bard Medical Devices Co., Ltd. (the Bard Medical,) and Unomedical. Dimensional force of

domestic enterprises, health care, rank 4 to over 10% market share in the global market, sales in the country

ranked first.
 
China\\ s domestic indwelling catheter manufacturers a large number of smaller but the majority of enterprise

sales, market concentration is relatively high, the larger companies in addition to the peacekeeping force

medical Zhanjiang things up Industrial Co., Ltd., Zhejiang Eutech Nightingale Medical Supplies Company.
 
Blood purification circulation line: the size of the domestic market to be expanded
 
Chronic kidney disease has become a global public health problem, but must receive dialysis or kidney

transplantation in the treatment of uremic patients is more and more. According to conservative estimates,

the total number of patients with uremia 100 million, hemodialysis costs about 400 yuan (Shanghai currently

charges $ 400), 2.51 times per week (average data), and need to receive each year about 130 treatment years
(52 weeks of dollars) cost of treatment to be 5.2 million, of hemodialysis services market capacity will be

over 50 billion yuan. Among them, the blood purification loop pipe demand will reach 130 million, according

to the current terminal price of each pipe about 25 yuan is estimated in each of our blood purification

circulation line market will be more than 3 billion yuan.
 
Blood purification according to the Ministry of Health statistics of patient information registration system

as of May 2011, our dialysis patients is about 26 million cases, the number of patients treated with

peritoneal dialysis is approximately 20,000 cases, about 80% of patients did not receive hemodialysis

treatment. Of hemodialysis services market is just over 130 billion, a huge space for future development.

Investment in China\\ s medical insurance policy and social capital to participate in building dialysis

resources, hemodialysis services market will be released

Processing of the common failures of the ABL-3 blood gas analyzer


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The blood gas analyzer used to analyze the pH of body fluids, carbon dioxide partial pressure and oxygen

partial pressure within the pipe system is more complex, the failure rate is a lso higher. But belong to the

electronic circuit failures are rare, most of the error for the flushing or calibration failure and gas.

Denmark, the ABL-3 series, the following example, describes the troubleshooting methods.

    A flush or set the standard fault handling:

    Flushing or calibration such as FUNTIONERROR, FLUSHERROR ,2-POINTCALNEED such as error messages, the

following maintenance steps can be taken:

    (1) to check the washing fluid bottles, red, green and calibration solution bottle with or without

liquid. And then observe the distilled water wet towers and two calibrators balance tower, the surface

normal, moderate and has bubbles. Bubbles, such as a tower, this tower associated piping must be blocked.

Distilled water wet tower is the most easy to fouling, pumping distilled water to remove the tower shell

clean. Cleaning set the standard liquid associated pipelines, you can turn off the CO Cylinders, remove the

red and green calibrator bottle. In V2, V3, Department set aside calibrators tower over the pipeline (red and

green hat tag) using a syringe to inject the appropriate calibrators, showing that given the increase in

tower liquid level of the standard solution, distilled water wetlands of the tower of the hollow column

liquid pouring slot to install the calibrator bottle plume emission. This indicates that calibrators tower

linked to the pipeline has been smooth.

    â'¡ rarely the case of V5, V9, V1l valve in the pipeline is damaged, it can be seen the leaking of these

parts, there are crystals.

    â'§ observe the VSA, VSB liquid sensor. RINSE button is pressed, the blood gas analyzer, washing, f lushing

fluid through the main pump pipe to reach the VSB liquid sensor, the indicator light on the VSB is can be

seen along the pipeline direction. The indicator light turns off when not flushing fluid in the pipeline.

Similarly, when the press CAL calibration, the calibration solution has to reach VSA and VSB, the above

indicator light. If you press the flush button or calibration key, see the pipeline flushing solution or

calibration solution to reach the VSB is, the VSA sensors, but its ± surface indicator does not light. Or

when the VSA, VSB is the sensor in the pipeline liquid through the top of the indicator has been bright, the

fault is in the VSA, VSB is the valve. Under test VSA or VSB plug aside (sometimes due to the plug oxide or

dirt lead to poor contact) spray cleaners, alcohol, or electronic equipment after cleaning plug it back in,

boot to try. I f the lights are still on the VSA, VSB is not normal, then you need to replace the VSA or VSB

re-test.

    Two gases error:

    Error message GASERROR. First check the adequacy of the CO2 pressure gauge on the CO2 cylinder. Remove

the air filter boot on the screen the \"GASERROR\" disappear, then the fault from the air filter in front of.

Airbags ball blowing air filter to see if the obstruction. Along the tubes of the air filter, you can see the

pipe the other end there is a connection hole, in many cases there are clogged with dust, take a wire through

a pass, you will find the dust sediments to fall out. This is due to air at the entrance to the long-term

inhalation of air into the instrument, and dirt over time, the airways to narrow, resulting in a serious

shortage of gas flow, causing the machine to gas an error message. This usually pay attention to reduce the

blood gas analyzer ambient dust.

2012年5月20日星期日

Golf carts and maintenance methods


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electric power chair - China Manufacturer
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1, the tire pressure will increase the friction of the tires and the road, thereby reducing the continued mileage, lack of air pressure should be

Replenish the air pressure.
2, handlebar rotation is not flexible, catching, stiff point or tight spots, it is timely lubrication or adjustment. The lubrication general to use the yellow

Oil, calcium or lithium-based grease; adjustment, first loosen the fork lock mother on the block rotation fork, handlebar rotation flexibility up

Requirements, locking fork lock the mother can be.
3, front and rear wheel rotation flexibility is not good, will increase the friction of rotation, increasing the power consumption, thereby reducing the continued mileage

. Therefore, when the fault should be timely lubrication and maintenance, lubrication generally use butter, calcium or lithium grease.
4, circuit inspection, turn the power chair, check the circuit is smooth, the connectors are firmly seated reliable protection

Insurance, the tube is working properly, especially the battery output terminals and cable connections are solid and reliable. Find fault in a timely manner row

In addition. 5, the electric car steering wheel before the bundle adjustment, and use to change the length of the tie rod. Tie rod elongation, the former

Beam increases the value; shorten the tie rod, before the beam decreases. Loosen the steering tie rod connectors at both ends of the locking bolt, turn the tie rod

To make it stretch or shorten. After appropriate adjustment, tighten the tie rod at both ends of the locking bolts of the joints.

2012年5月18日星期五

Gear reducer reducer error explained


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     Any two the same side of the tooth surface arc length and nominal arc length difference between the maximum absolute value of the pitch circle of the planetary gear reducer. Planetary gear reducer K pitch cumulative error: the spiral lift K teeth from the ipsilateral tooth surface, the actual arc length and the nominal arc length difference between the maximum absolute value. Planetary gear reducer, gear ring radial runout tolerance: a turn within the probe near the midplane of the alveolar tooth surface sided contact with the teeth of the high school in the planetary gear reducer, the probe relative to the planetary gear reducer machine axis radial distance changes. The planetary gear reducer Machine Pitch Error: pitch circle of the planetary gear reducer, the actual pitch pitch difference between the nominal. Using the relative method for measuring nominal pitch is the average refers to all actual pitch.
    The planetary gear tooth profile error: in the planetary gear tooth part on the machine teeth given section, inclusive of the actual tooth from France to the distance between a minimum of two design tooth . Should be determined in the design tooth line close to the tooth in vivo method online when non-equidistant curve of two design toothed line between France to the distance of the planetary gear reducer machine tooth thickness deviation: the middle of the planetary gear reducer plane, the pitch circle tooth thickness of the actual value and the public that the value of the difference. Tangential worm pair Comprehensive error: installed the worm meshing rotation, in a whole cycle of changes in the relative position of the planetary gear reducer and worm, planetary gear reducer, the actual corner and theoretical angle difference between the total magnitude. To the planetary gear reducer machine sub-arc length count. The worm drive gear cut to the integrated error: installed the worm gear pair meshing planetary gear reducer, the most significant value of the periodic angular error repeatedly appears in the machine a turn range. To the planetary gear reducer machine sub-arc len gth count. Worm pair of contact spots: the installed worm pair in the meshing operation of the slight force of the brake, worm and planetary gear reducer, planetary gear reducer machine tooth surface distribution of the contact traces. The location of the contact classes point to the point of contact size, shape and distribution said. Determine the size of the contact area in contact with traces of surface points than the calculated.

Price changes and Jiangmen laser laser carving machine prospects of laser marking machine


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It comes to the price of laser marking machines tend much to the laser machine suppliers Du fuzzy in their statements, in fact, followed by the skills to carry out laser machine, laser marking machine manufacturers springing up like presents, especially to belong to the manu facturers in Guangdong most accumulation, tend to carry out and dark prospects today and everyone chat with the future price of the laser machine.

    Laser marking machines use tends to increase year by year; laser marking machine as the emerging identity of equipment in the country beginning the gradual emergence of more and more excellent functional quality, a more major role in the sign industry in the possession of the original lot use The inkjet printer manufacturers have carried out alterations to identify the strategy, laser coding, such as the well-known farmers\\ spring \",\" 5100 mineral water \"water class manufacturers, and some well-known food packaging suppliers, gradually increasing the use of laser machines and equipment, identification equipment such as Xu tendency of self-developed laser machine skills, application of foreign high-quality capital, to carry out the potential benefit I brand had changed to obtain the right is imperative. The tendency of such a lot to users on a valuation of itsel f the product of Du, laser marking machines use a variety of prospects, \"we will leave from the Coding equipment is being applied, from a functional, supplies used, post-maintenance and other aspects into consideration, and then developed a laser machine use and maintenance expense reports, and feasibility analysis, comprehensive, mutatis mutandis, much the user Du found, in fact, the use of the laser machine in addition to higher initial purchase price, the use of late capital it will become very low, a more economical type of a choice, a very worthwhile move things much the user is concerned. The price advantages of laser marking machine obvious, such as Xu a focus on quality, the pursuit of an outstanding era, much user Du deposit dependents on the purchase of the product quality and functionality, and the most intuitive on the one hand is the appearance of the aesthetic.

    Jiangmen laser laser carving machine from the packaging to the logo are will not a little demand enterprise promoted a major aspect of the external packaging our product can be expressed in similar commodities raised, allowing users to more easily remember us, view our I times to obtain a solid, secure feel these effects, no doubt demand a lot of brand building, and laser marking machines marking results, one in terms of the level of the promoted product visibility, promote the corporate brand image. A lot of similar products still use the popular ink jet inkjet printer status, we basically go beyond rival from the \"green\" can continue to carry out \"economic energy\" to win over rival, especially the novel identification results, the laser baked features, will make all users have a refreshing feel very favorable about the pre-competition, the center of competitiveness of enterprises from their own quality, the same demand depends o n the surrounding matching set of black and white, many leave, identified from the product packaging analysis, will give customers an entirely new laser marking processing program, a satisfactory alternative to inkjet printer, a new generation of identity of the king

2012年5月17日星期四

Development of indoor LED lamps


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led downlights - China Manufacturer
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With the continuous development of LED lighting technology, and promote LED lighting used in more industries and situations, including indoor commercial lighting has become the future development goals of many companies in the industry, because indo or lighting is recognized as an important future direction of development. According to degree of attention to the point of view of market conditions and the state of the LED industry, LED industry standards is imperative, indoor LED lighting standard is to achieve replacement purposes, to meet the lighting requirements by reference to the size of the structure of the traditional lamp form, the form of light, light and other requirements for the preparation of LED lighting standards, making the LED interior lighting to the inevitable need to move closer to the form of the traditional lamp. Therefore, the next two years of indoor LED lighting development will be affected by the impact of traditional lighting.

    In fact, the shape of traditional lamps and lighting is caused due to technical limitations of conventional light sources, LED light source than conventional lighting, there are many features and advantages of LED lighting performance and progress, such as the continuous improvement of luminous efficiency, chip withstand temperatures continue to increase. LED light source in lighting, more space for development, in many ways to subvert the raison d\\ etre of the traditional lighting of LED lighting should have its own way of lighting can be integrated into the more creative to meet the lighting needs and aesthetic needs of the modern man. If we blindly move closer to the traditional lamp, it is likely not play the advantages of LED, but the advantages of LED buried.

    Continuous social and economic development, people who have a higher standard of living and lifestyle, lamps not only to meet the basic needs of the lighting is so simple, it is hoped that lighting can bring more life to enjoy a more personalized, humane and intelligent. High quality lighting is increasingly subject to the attention of the industry, the increasingly stringent requirements of the degree of control, uniformity, glare, color rendering index, color temperature and other technology index. The use of different places, different functions, different size spaces, different decorative appearance requirements, determine a wide variety of indoor lighting, different types of light distribution, a higher demand on the future of LED indoor lighting.

    LED lamps as a replacement product, of course, we need to meet the size requirements of traditional lamps or light products, performance parameters and light distribution requirements. For example, the bulb light over 270 ° angle of light to better meet the requirements, or installed in the space of lamps or lighting will result in half bright and half dark drawbacks. The use of downlights, in order to achieve the irradiated surface of the illumination uniformity of the distribution curve is similar to the bat wing.

    Direct light diffusion plate, almost similar to the Lambertian light distribution, the irradiated surface bright as the center, surrounded by dark, difficult to meet the entire space of the irradiated surface of the illumination uniformity, resulting in poor lighting.

    LED downlight to meet the traditional lamp lighting effects can be achieved, should be used in the form of the reflector cup to meet the light distribution requirements, of course, using the point light source mixing and then through the reflector cup is a way, but the COB package reflector, so efficient, avoiding the light loss caused by point source mixing.

    For example, replacement grille of almost all panel lights, point source into surface light source, the idea is right, but this form of the panel lights are also some problems. ; The light is low, the light guide plate of the guide light reflective film and screen printing outlets, light uniformity, the light diffusion plate light, this form of light extraction efficiency can reach 70% good. Second, the panel lights similar to a Lambertian light distribution, for the illumination 300LUX or 500LUX need to meet the lighting requirements in the actual lighting effects, glare control curve did not meet the lighting requirements. Combined with the hard cost of the light guide plate is difficult to reduce lead to the high price of lighting will not be able to adapt to marketing.

    Spotlights products, the COB + reflector cup is the leading direction, point source + lens will gradually be abandoned.

    LED interior lighting technology development needs to consider many factors, interior lighting design requires a different color temperature, different sense of light, different color lamps to enrich the broad horizon, space interface properties require different lighting design. In short, the development of LED indoor lighting long way to go, Wu Jiang from top to bottom.