Solve the dilemma of LED dimming color temperature can only break through the power technology

LED dimming brings comfort to home lighting and energy saving for office lighting. However, the current situation is that in addition to the garage door with some basic intelligent controls such as automatic switches, smart dimming products have been very small in sales, the most important reason is that there is no high-performance and low-cost products. To achieve high-performance and low-cost LED lighting products and solve the dilemma of LED dimming color temperature, we can only make breakthroughs and reforms from power supply technology. LED lighting power technology innovation design First of all, the existing smart technology analysis, in the entire LED industry, many people have tried many programs, such as DALI dimming system, thyristor dimming, infrared remote dimming system, until Philips HUE The series represented by the series has made great efforts to achieve intelligent control, and has achieved success in effect. The reason for the success is because the price of these products has always been a problem for the general public to accept such products. In fact, the industry is not lack of good programs, good products, but the cost has become a stale stumbling block. According to Taiji research, if the dimming function can be completed with the first-level power control, and the communication function can be integrated into the same control unit, the cost can be optimized, and the cost problem can be effectively solved, and at the same time, it is better. Ensure the stability of the power supply. How to achieve the above functions, then have to look at how to do the product, simply speaking, the LED power supply studied by Taiji must achieve the following three characteristics: 1, digital control, 2, low cost, 3, the absolute advantage of the expansion performance. In this way, through the innovative design of LED lighting power technology, the future LED lamps become an intelligent control acceptable to the general public. This digital power supply becomes an ideal design direction. Digital power is not a new concept, it has been applied to some high-end power supplies more than a decade ago. But how to use low-cost MCUs in the lighting field is a challenge. You can choose according to your specific environment, you can use wired communication, or you can use wireless radio. You can use medium and high frequency radio frequency, or you can use medium and low frequency radio frequency. Power line carrier communication can also be used in some cases. The performance of the primary power control on the ripple index is not as good as the two-stage power control. However, reasonable selection of component parameters, in most cases, the ripple index can be controlled within an acceptable range. In fact, this is also the choice of most LED products. Another benefit of meeting the smart home personalization needs to drive the power control core digitization is that it is easy to extend the new automatic control with the addition of the corresponding sensor. If you add a motion detector, a light sensor, or even a smoke sensor, you can have the corresponding function or even the active alarm function. The choice of ZIGBEE or Bluetooth is a powerful communication method, but there is not much information on a single lamp that needs to communicate with the control system. If you need a light to talk when necessary, it's a different matter. The ability to communicate should be as simple as possible. The communication distance may need to be strengthened, and 10-20 meters can handle most occasions. In some high-end applications, networking may be required, but most applications are not required. The advantage of this is that the power supply's specifications are very close to the standard constant current drive power supply without dimming. This means that this type of solution can be easily extended to a wide range of applications, from 5W bulbs to 50W panel lights to 150w street lights, from home lighting to commercial lighting. Corridors, warehouses, garages, and roads all have their place. So how do you join the funky smart home network? In fact, it is very simple, add a Bluetooth or wifi in the remote control. If you are worried about the remote control being easily lost, you can also design the remote control as a wall panel touch control. What if the remote control has been lost and you want to dim? It can also be realized with a switch. After adding the digital core, whether a remote control controls multiple lights, multiple remote controls control multiple lights, group control or individual control is easy. I hope that the LED industry will work together and continue to innovate, ending the pattern of LED dimming, color temperature, low sales volume and high cost, bringing personalized comfort to future home lighting, bringing intelligent energy saving to office lighting and road lighting. The effect is also to let intelligent lighting enter thousands of households.

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The double girder Gantry Crane is commonly employed to handle large wokring pieces outdoors, which has strong hoisting capacity, large span, good stability, etc. Double girder gantry crane self-weight is larger than that of Single Girder Gantry Crane even for the same hoisting capacity weight, and the cost is also higher. According to the main girder structure, double girder gantry crane can be divided into 2 types: box girder and truss girder. Generally the box-type girder is the most commonly seen type.

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Henan Weihua Heavy Machinery Co., Ltd. , https://www.weihuacranefactory.com