Demand exceeds supply, oversupply, who told too many people engage in what the industry are so many people engage in Must have a large number of people is in grave goods. LED market

prospects are good, on your own strength, and what superior to others, is: Do you or else the very economic strength, or very technical strength, if these two are not, we can see LED

industry that is booming or others that the LED is good, you engage in LEDs, it would be free.
2.Led is a sunrise industry, the fast technological development, and extended to many, including the field of medicine. At present, the main problem is that cost is not very high, very wide

range of LED applications in the developed world in terms of government policy, or from the energy saving and environmental protection in terms of the LED market prospects are bright in

developed countries, In the near future, the LED will replace the incandescent lamp, a new generation of lighting products.
Good prospects 3.LED technology to funding has become scale, and with the popularity of environmental awareness, saving environmentally friendly LED lighting naturally become the darling of

the market and society, many government departments are caused by very high attention, from China to set up a lighting base can explain. I am also engaged in this industry, although

difficult to start, but the Government can help a lot, so do not worry about will go bankrupt. But all need to do anything they have the confidence and perseverance, this will receive the

respect of others, will sincerely help you!
4.LED the first is used in indicator LED luminous efficiency is getting higher and higher, the LED began to be used in the lighting of daily life, the largest application of LED decorative,

you can see the very LED city lighting engineering this year, the government is expected to purchase two million LED street lights. Cake belonging to the LED industry is growing in volume.

However, LED technology requirements, not know LZ want to do the production or sale of this piece. Looking at the LED, the main components of the LED chip prices dropped significantly and

the luminous flux of up to 90-100lm / w, the price of 10 1W made lamps also less than 40 yuan. The price will drop this year. As for LZ LED when will be accepted by the market, in fact,

related to consumer attitudes, the majority of people is the first consideration is price, look at the long-term energy-saving LEDs still have a great advantage. To be sure, the backdrop of

world energy, LED lighting is at least half of this point there is no problem, you look at the current LED applications, it is outdoor advertising are beginning to use LED display, the 2008

Olympics Water Cube, the opening ceremony picture, the character changes, Mr., LED credit. Real domestic consumption LED that time, I am afraid to wait until the mainland can separate large

-scale production of LED chip, Commercial Street is certainly a lot of LED lamps lighting shop.

Solar energy is the most direct and on Earth in general is the most clean energy, solar energy as a huge amount of renewable

energy, every day to achieve the radiant energy of the Earth s surface is approximately equal to 2.5 of hundreds of millions of

barrels of oil, it can be said to be inexhaustible, used not dried up. LED spectrum almost all concentrated in the visible light

spectrum, so the high luminous efficiency, and most people agree that energy-saving lamps can save 4/5 is a great initiative, but

also energy saving lamp LED than 1/4, this is a solid light source is greater reform.

The solar LED lighting integrated the advantages of solar energy and LED.

1, the system

1.1 system, the basic composition of the Introduction

System consists of a solar cell battery

The battery is an energy conversion and storage devices, by reflecting the chemical or physical energy into electrical energy. The

battery is a chemical power, which consists of two different components of the electrochemical activity of electrodes composed of

positive and negative poles, respectively, soaked and then can provide the media the conduction of the electrolyte, when connected

to an external vector by converting its internal chemical able to provide electricity. Component parts (including stents), LED

lamp, the control box (controller, battery) and the light pole a few parts; solar panel light efficiency 127Wp/m2, efficient,

wind-resistant design of the system is very favorable ; lamp part of a 1W white LED and 1W yellow LED integrated in the printed

circuit board arranged in a certain spacing of the lattice as a planar light source.

Control box casing of stainless steel material, beautiful and durable; control box placed on the maintenance-free lead-acid

batteries and the charging and discharging controller. The system selected VRLA batteries, because of its minimal maintenance, it

is also known as "maintenance-free battery, system maintenance costs reduced; charge and discharge controller is designed to take

into account the full-featured (with light control, time control, overcharge protection, over discharge and reverse polarity

protection, etc.) and cost control to achieve a very high price.

1.2 works

The system is simple in principle, the use of the photovoltaic effect of the principle of solar cells made during the day solar

panels to receive solar radiation into electrical energy output after charge and discharge controller is stored in the batteries

at night when the illumination is gradually reduced to about 101ux, solar cells board open-circuit voltage of about 4.5V, the

charge and discharge controller detects this voltage value after the action, the discharge of the battery on the lamp. 8.5 hours

of battery discharge, charge and discharge controller action, the end of the battery discharge. The charge and discharge

controller s main role is to protect the battery.

2, the system design ideas

The design of solar street lights and solar lighting, the basic principle is the same, but need to be considered part of more. The

following will be the Hong Kong and the Neo-Neon Holdings Limited This Solar LED street light for example, the analysis done in

several ways.

2.1 solar cell component selection

The design requirements: the Guangzhou area, load the input voltage of 24V power consumption of 34.5W, daily working hours 8.5H,

to ensure that the number of days to 7 days of continuous rain.

The ⑴ Guangzhou region nearly two decades the average annual amount of radiation 107.7Kcal/cm2, by simple calculation of peak

sunshine of the Guangzhou area, the number is about 3.424H;

⑵ load power consumption = 12.2AH

⑶ required solar component of the total charge current = 1.05 × 12.2 × ÷ (3.424 x 0.85) = 5.9A

Here, two successive shortest days of the design between the number of rainy days is 20 days, 1.05 for the solar cell module

system loss coefficient, 0.85 for the battery charging efficiency.

(4) solar modules, the minimum total power = 17.2 × 5.c = 102W

Choice of peak output power 110Wp, a single block of the 55Wp the standard battery components, should be able to guarantee the

normal operation of street lighting system, in most cases a year.

2.2 The battery selection

Peak wattage battery design capacity of the calculation compared to the solar modules should be simple.

Know that according to the above calculation, the load power consumption 12.2AH. Case the battery is full, you can work

continuously seven rainy days, plus the first night, the battery capacity:

12.2 × (7 + 1) = 97.6 (AH), selected 2 12V100AH ??battery to meet the requirement.

2.3 solar modules bracket

2.3.1 inclination Design

To allow solar modules to solar radiation received during the year as much as possible, we want to select an optimum tilt angle

for solar modules.

Discussion on the optimum tilt angle of the solar modules, in a number of academic journals in recent years too many. The street

lights use areas for the Guangzhou area, refer to the information in the literature [1] based on the design, selected solar

modules bracket inclination of 16 degrees.

Vacuum brazing solder by adding trace rare earth elements of La, Ce, can significantly improve the quality of the Al-Si based filler metal LD30 aluminum

alloy wettability and vacuum brazing; significant improvement in the microstructure of the brazing seam, so that the crystal grain refinement, and the

middle phase distribution is more uniform, change the second phase CuAl2 of Mg2Si mesh distribution, so that thinning and fine; to promote the

mutual diffusion of the aluminum alloy and the solder alloy elements and uniformly distributed; so The apparent strength of the brazed joints.
The rare earth elements is a special alloying of certain metals. Rare earth elements can improve some properties of the alloy of rare earth elements

added to a light alloy (particularly magnesium or aluminum) more and more interested in the role. AlSiMg amorphous brazing solder LD30 vacuum brazed

has been verified to be able to obtain a good brazed joints and more satisfactory brazing seam quality. However, in Al-Si-based solder to join a small

amount of rare earth elements on the LD30 aluminum alloy vacuum brazing can achieve a more satisfactory than the AlSiMg solder joint properties,

microstructure and brazing seam. This paper by contrast AlSiMg such as brazing of Al-Si-based solder trace rare earth elements used in the LD30

vacuum brazed.

Recently, the the Xugong XE40 remote hydraulic excavator dug by XCMG Machinery Company successfully completed the trial, marked XCMG excavator has entered a new stage of electronic control.

XE40 remote control of hydraulic excavators effective remote control range up to 100 meters, all-weather operations, not subject to external influences. The same time, the first time in the models developed to design many new features, such as the horizontal tilt angle limit, swing, learning, and reset functions, working device pressure sensor automatically adjusts the pilot flow, flexible and small excavators electronic control systems, intelligent control set as a whole, has a complex functional advantages.

 In some special conditions, the mining and exploitation of the remote control remote control excavator, can greatly improve the operator s safety factor, improve work efficiency.

 The average utilization rate of the domestic child safety seat is less than 5%

    Hold the child to sit front seat, equal to the child when the airbag?

    On the investigation of child safety seats

    Friends, "the Temple of Heaven thousands Tiantan Hospital, a doctor of neurosurgery, the other day in the micro-blog, so one thing: the surgical gap looked at the car accident the child to go to God, the result is" I heard rumors or some deviation, looked at medical records even more shocked! "- mother holding a half years old girl sitting vice driver s seat, children face toward the mother, the airbag pops up after the mother s teeth from the kids forehead into the child brain! The frontal bone fractures, brain tissue contusion. Just as the bullets hit the same!

    "Sitting in the pilot seat and take their children," like a bullet hit the same, so the accident is really shocking, but also to my five months of the child s mother was scared. Hold the child sit front seat, is equal to the child when the airbag must be equipped with a car safety seat is responsible for the child, which is a lot of people the message content. Buy a safety seat is it necessary? Hundreds of thousands of foreign brands and a few hundred dollars, made in China What is the difference? How to buy an appropriate safety seat? Many parents are my doubts.

Recently, the industry\\ s well-known one laser printer production company announced the successful development of the LED light

source, the print head, and also released several new products page printer LED print head. This may give some of the industry

hinted that the coming era of LED. \"Laser\" and \"LED\" is a page printer, two kinds of optical imaging scan mode, with the rapid

development of the color page printer market, \"laser\" and \"LED\" battle has become a lively discussion on the topic.

Technical expert interpretation of the LED

Because the laser is a has been developed for a long time technology, laser printer occupies a very large market share in

existing markets, while it is this market share gap LED technology to produce some of the doubts and misunderstandings. Japanese

LED technology expert, Mr. Yamamoto, Mikio insights can guide us to a correct understanding of LED technology.

(1) long life. LED print head used in all the production of semiconductor components, so the stability and reliability of the

print head is very good, and the light-emitting diodes LED printer in the low-voltage low-power state, almost no aging, life can

be very long. The other hand, the laser is the use of motor driven prism rotation, the life of the motor is limited, and compared

with the LED print head, the laser light source to the need for greater output power, so the relatively short lifetime of the

laser print head.

(2) high-quality imaging. The imaging resolution on behalf of the image quality, printer technology, the image quality will

increase imaging resolution to further enhance. Means to increase the imaging resolution is to reduce the imaging point diameter.

From an optical perspective, the laser point diameter has reached its limit, and the LED can be smaller. Coarse laser imaging

point, lead to Obscure the font edge will be very vague, can not see.

(3) low cost. In the industry, some people think, \"in order to improve the LED printer print resolution, integrated LED device

not only in its bald, but also the diameter of the LED devices shrink, the need to address each LED light interference This

greatly increases the process more difficult and generation costs. \" A new semiconductor technology – EFB technology to become

the core technology to solve this problem, reduce costs, the EFB technology can paste it into very thin LED light film on the

substrate by etching, you can make the LED light-emitting film become a point diameter is very small LED head, greatly enhance

the imaging resolution. The substrate can be repeated, will bring a significant reduction in cost. As technology continues to

mature, the LED there is still much room for development.

(4) high scalability. Compared with the laser, LED print head design freedom is very high. For example, if the development of A4

format printer to A3, just need the LED print head extension can. Laser opened a space, in order to scan a wider range, not only

increasing the volume, also increased the cost.

Do not give up do not abandon

History of the development from the printer can be seen in the 1880s, the printer used in all the laser light source, but when

the laser volume is very large, so if the commercialization of smaller size is the key. This time three technologies:

semiconductor laser, LCD, semiconductor, LED ways, through the competitive formation of the three camps. The LCD is very slow, so

be eliminated, while the laser light source requires a complete set of optical systems, the strength of this system are camera

manufacturers. OKI uses a \"proprietary technology\" as a starting point to begin work towards the application of LED technology in

the printer manufacturing.

The road ahead always rugged, precision from 2% to 1%, the resolution of how to achieve 1200dpi, insurmountable barriers,

Fujitsu, NEC and other manufacturers have to give up before the barriers, OKI adhere to their own choice to a do not give up, do

not abandon the spirit persevered to achieve very good results, their business throughout the world of business and office

applications, and to the forefront in the global market share.

1-3 months baby imperfect ability to regulate temperature, delicate skin, weak immune system, while the activity more, sweating more, the sebaceous glands, such as the choice is inappropriate, harmful substances easy invasion of baby delicate skin, increased the chance of infection. Therefore, science baby of 1-3 months to choose clothing, baby s physical and mental health.

1, the texture of clothes

To select a warm, soft and good moisture absorption, color and easy to light-colored, easy to wash cotton cloth. Summer cloth, the other seasons available thin flannel.

Compared with cotton materials, chemical fiber products, and wool on the skin irritant, is easy to cause allergic dermatitis or papular urticaria, so clothes do not wear such materials direct contact with the skin.

2, the style of clothes

Should be relaxed, simple and appropriate. Required to wear off, not too small. Neonatal limbs often has buckling state, the sleeves are too narrow to not be readily inserted into the activities, without prejudice to prevail. The neck is shorter and the baby of 1-3 months, the clothes should be chosen no collar, Xie Jin, “the monk clothes, the best in front of a long followed by short, to avoid the contamination of urine.

Underwear should not attach the buttons or snaps, so as not to damage the baby s skin or swallowed, a belt available in the side of the trunk. Sleeves, trouser legs should be large, so that the limbs have enough room to maneuver and easy to wear off, wash. The baby s chest and abdomen not constrained too tight, or will affect the movement of the thorax or cause thoracic deformity.

How the baby is 4-6 months to choose clothing

Your baby s skin is delicate, vulnerable to injury, body surface area compared to adult features, the baby s underwear should choose a soft texture, permeability, hygroscopicity strong cotton fabric, style should be simple, generous, easy to wear off easy more relaxed. Chemical fiber cloth on baby s skin irritant, likely to cause dermatitis, itching and other allergic phenomena. Baby coat optional synthetic fabrics, chemical fiber fabric washable, dry, bright colors can stimulate the baby to the retinal nerve development. The design of clothes should be simple, generous, easy to wear and easy to take off, to prevent the bra, and affect development.

Four months after the baby themselves in the bed, safe and comfortable, appropriate clothing styles, especially the underwear should not have big buttons, zippers, buckles, pins and the like to prevent damage to the baby s skin or gargling stomach . Can be used cloth tape instead of buttons, but to pay attention to the underwear cloth band do not get the neck to prevent strangulation baby.

Core Tip: Shenzhen source of the Test Technology Co., Ltd. the professional production of the entire mobile phone manufacturing test fixtures / assembly fixture. Professional set of mobile phone production testing and welding assembly program for the various mobile phone manufacturers / foundries. The main products include: mobile phone PCBA function test fixture RF calibration fixture, burn fixture, test fixture in the LCD, LCM production test fixture (semi-finished / finished products, COG, COF, the FPC, etc.), and precision test fixture (such as computer CPU, mobile phones, BGA, FLACH, etc.), as well as a variety of electronic digital products, semi-finished / finished products such as test fixture (test stand). jig / fixture range of applications including: mobile phone manufacturing technology: new products for customers to tailor the design, production a set of mobile phone production and assembly
Mobile phone test fixtures: including: one, the phone functional test fixture; 2, mobile phone RF high-frequency test fixture; phone download jig; mobile phone LCD screen test fixture; phone keyboard upside down film testing rule with welding fixture;, mobile phone LCD screen;, mobile phone LCD screen pulse pressing machine
Features: Test product specialization, user-friendly design, products, anti-static, high precision all imported probe, test long life. Jig / fixture produced using CNC computer drilling, import probe

Testing machine, Broadly speaking, a product or material is put into use, its quality or performance according to design requirements for validated instruments. It can be seen from the definition, any quality or performance validated instrument called Junping testing machine, but often also sometimes called the detector, the name of the tester, tensile testing machine, testing equipment, tester, and so on. Called powerful machine in the textile industry custom, in fact, that is, tensile testing machine. The testing machine is used to measure the physical properties of the materials or products, such as: steel yield strength, tensile strength, pipe hydrostatic time determination of the fatigue life of the doors and windows. For measuring chemical properties of the material chemical composition, generally called the analyzer, is not called the testing machine.
The concept and purpose of the testing machine testing machine precision testing of mechanical properties of metal materials, non-metallic materials, mechanical parts and engineering structures, process performance, internal defects and calibration of rotating parts, dynamic imbalance amount is measured under various conditions, environmental instruments. In the process of research and exploration of new materials, new processes, new technologies and new structure, the test machine is an important and indispensable test instrument. Widely used in machinery, metallurgy, petroleum, chemicals, building materials, construction engineering, aerospace, shipbuilding, transportation, and other industrial sectors, as well as universities, research institutes laboratory. Effective use of materials, process improvements, improve product quality, reduce costs, to ensure safe and reliable products and so has an important role. Testing machine industry manufacturing the following eight categories of products: 1. Metal material testing machine; non-metallic materials testing machine; force and deformation test equipment (force transducer, dynamometer, displacement sensors, extensometers, accelerometers ); package and process performance testing machine (including the package drop test, packaging, impact testing machines, friction and wear tester, bending test machine, straightening machine, etc.); five balancing machines (including on-site balancing apparatus ); shaking table (including the impact of Taiwan and crash tests); non-destructive testing equipment (magnetic particle testing machine, X-ray detection machine, gamma-ray detection machine, ultrasonic flaw detector, eddy current detector, acoustic emission detector, etc.) ; testing machine functional accessories and related to the testing machine test instruments and equipment.

 bed fixture is a device for clamping the workpiece on the machine, known as the "hand" of the machine. The use of jigs and fixtures to ensure that the workpiece machining accuracy, reduce

the auxiliary working hours, a substantial increase in production efficiency, but also to expand the scope of machine tools, to achieve "a machine can." It is not only used for metal

cutting, can be applied to the inspection, assembly, welding parts, and production line manufacturing process. The only machine tool fixture supporting industries, instead of the pillar

industries, but must be matched in the machining process using a variety of fixture, the fixture is essential for process equipment, the market potential is huge.
Yet S & P advisory machinery industry analysts believe that China s machine tool and fixture industry problems in three aspects, first, the industry as a whole scale of the weak and

scattered layout, there is no formation of the industrial entities; fixture industry are mostly small and medium-sized enterprises, fixtures single piece diversity can only take small batch

production mode, the economic benefit is very limited, and the industry overall strength of the poor; jigs and fixtures, social awareness, industry standardization, low degree of

specialization, which restricts the fixture products toward the specialization, the market direction of development, the development of standards of fixture products should be strengthened.
The future direction of the machine tool fixture performance in the following four aspects: First, standardization, standardization of fixtures beneficial to the general development

conducive to the realization of commercial production, reduce production costs and shorten production preparation period; precision machinery products is getting higher and higher precision,

more and more high precision machine fixture; efficient, efficient fixtures can reduce the time of the workpiece, raise labor productivity, reduce labor intensity; four flexible the

flexibility of the machine tool fixture and flexible machine, adjust the combination, improve the adaptability of the process variables to better meet the needs of the many varieties of

modern mechanical industry, small and medium volume production.
According to the advisory released yet S & P 2010-2013 China s industrial fixture market analysis and investment value study report, jigs and fixtures market demand potential is huge, there

are a lot of tools supporting the fixture to be developed or improved, many high-tech fixture technology needs research or to study abroad, the main direction of the jigs and fixtures

industry is "special, unique, fine. "12th Five-Year" period, the machine tool industry will be sustained and rapid development to create good opportunities for the development of the fixture

industry, jigs and fixtures industry is very promising.