CN203151791U - AC light modulation system - Google Patents

Abstract

The utility model discloses an AC dimming system, which consists of an AC chopping data sending module and an AC chopping data receiving module; the CPU of the sending end transmits chopping data to the alternating current chopping module through electric connection; the alternating current chopping module outputs a control signal to an alternating current power transmission line after processing; the AC waveform processing module receives an output control signal of an AC transmission power line and transmits chopped wave data to a receiving end CPU; and the receiving end CPU outputs a control instruction to the constant voltage and constant current module to realize load control. The utility model has the advantages of directly send data through the power cord, realize high-pressure data transmission intelligent control, only need do chopping data transmission once, can realize singly organizing a plurality of address lamps and lanterns on the high-tension line through the data that send different orders and carry out the independent control and realize adjusting luminance, reduce the chopping and send data to the interference of electric wire netting, it is big to have power simultaneously, convenient to use, the function is more, control distance is far away.

Description

AC dimming system

technical field

The utility model relates to the technical field of control systems, in particular to an AC dimming system for lamps. the

Background technique

Some lighting control systems on the market can only control the opening and closing functions of the lighting. the

With the continuous development and diversification of the social lighting industry, the country has high requirements for energy saving of lamps and lanterns. The development of LED technology has obvious effects on energy saving; especially in the lighting of street lamps, it is more necessary to adopt environmentally friendly energy saving Light source, but relying on energy-saving light source is far from enough, we need a more energy-saving way is to realize the dimming function of different time periods on the street lamp, the light can change the brightness of LED street lamp with time or the brightness of natural light, you can Changing the brightness level of LED street lights at will can control the effect of different lamps and lanterns in different positions, so as to achieve a more effective way of energy saving. At present, the LED street lamps with several stages of brightness and fixed brightness for several periods of time are far from meeting the requirements of dimming, and it is impossible to change the brightness mode of street lamps at will. the

At present, the data is transmitted through the power line carrier, which is complex in structure and expensive in cost. The dimming method of ordinary household light sources adopts the thyristor dimming method, which will interfere with the power grid for a long time, and the effective utilization of the power grid is very low, and can only realize the control of a single lamp. the

The dimming method of ordinary LED street lamps is segmented and divided into short periods of time, and it is an internal fixed mode, and the brightness cannot be changed at any time. This method cannot meet the current energy-saving requirements and intelligent control. the

Utility model content

The purpose of this utility model is to provide an AC dimming system for the shortcomings of the above problems, which can directly send data through the power line, control lamps with multiple addresses in a single loop circuit, and realize intelligent control of high-voltage data transmission. One chopping data transmission can realize individual control and dimming of multiple address lamps on a single high-voltage line by sending data of different commands, without additional signal lines, reducing the interference of chopping transmission data to the power grid, and improving the power grid. At the same time, it has the advantages of simple control circuit, low cost, high power, convenient use, many functions, wide application and long control distance. the

In order to achieve the above object, the utility model adopts the following technical solutions:

The AC dimming system consists of an AC chopping data sending module and an AC chopping data receiving module. the

The AC chopping data transmission module is composed of an AC chopping module, an AC waveform processing module 1, a CPU power supply module 1, a sending end CPU, a display module and an input module 1; wherein, the CPU power supply module 1 is connected to the AC transmission power line Electrically connected, and provide power for the CPU at the sending end through the electrical connection; the display module is electrically connected to the CPU at the sending end; the first input module is electrically connected to the CPU at the sending end; the first AC waveform processing module is connected to the AC transmission power line and The CPU at the sending end is electrically connected; the CPU at the sending end transmits chopping data to the AC chopping module through electrical connection; the AC chopping module outputs a control signal to the AC transmission power line after processing;

The AC chopping data receiving module is composed of a constant voltage and constant current module, an AC waveform processing module 2, a CPU power supply module 2, an input module 2 and a receiving end CPU; wherein, the AC waveform processing module receives the output of the AC transmission power line control signal, and transmit the chopping data to the CPU at the receiving end; the CPU at the receiving end outputs control commands to the constant voltage and constant current module to realize load control. the

The display module is an LCD display. the

Further, the voltage transmitted by the AC transmission power line is a single-phase voltage, or a two-phase voltage, or a three-phase voltage. the

The utility model adopts the above-mentioned structure, has the ability to directly send data through the power line, control the lamps with multiple addresses in the single-loop circuit, realize the intelligent control of high-voltage data transmission, only need to do one chopping data transmission, and realize different control effects for different lamps. It does not require additional signal lines, reduces the interference of chopping sent data to the power grid, and improves the effective use of the power grid. At the same time, it has the advantages of simple control circuit, low cost, high power, convenient use, many functions, wide application, and long control distance. . the

Description of drawings

Fig. 1 is a schematic diagram of the utility model. the

The utility model will be further described below by means of the accompanying drawings and specific embodiments. the

Detailed ways

As shown in FIG. 1 , the AC dimming system of the present invention is composed of an AC chopping data sending module 1 and an AC chopping data receiving module 2 . the

The AC chopping data transmission module 1 is composed of an AC chopping module, an AC waveform processing module 1, a CPU power supply module 1, a sending end CPU, a display module and an input module 1; wherein, the CPU power supply module 1 is connected to the AC transmission power supply The wire is electrically connected, and provides power for the CPU of the sending end through the electrical connection; the display module is electrically connected to the CPU of the sending end; the first input module is electrically connected to the CPU of the sending end; the first AC waveform processing module is connected to the AC transmission power line Electrically connected to the CPU at the sending end; the CPU at the sending end transmits chopping data to the AC chopping module through electrical connection; the AC chopping module outputs control signals to the AC transmission power line after processing;

The AC chopping data receiving module 2 is composed of a constant voltage and constant current module, an AC waveform processing module 2, a CPU power supply module 2, an input module 2 and a receiving end CPU; wherein, the AC waveform processing module receives the AC transmission power line Output the control signal, and transmit the chopping data to the CPU at the receiving end; the CPU at the receiving end outputs the control command to the constant voltage and constant current module to realize load control. the

The display module is an LCD display. the

Further, the voltage transmitted by the AC transmission power line is a single-phase voltage, or a two-phase voltage, or a three-phase voltage. the

The utility model adopts the above-mentioned structure, has the ability to directly send data through the power line, control the lamps with multiple addresses in the single-loop circuit, realize the intelligent control of high-voltage data transmission, only need to do one chopping data transmission, and realize different control effects for different lamps. It does not require additional signal lines, reduces the interference of chopping sent data to the power grid, and improves the effective use of the power grid. At the same time, it has the advantages of simple control circuit, low cost, high power, convenient use, many functions, wide application, and long control distance. . the

The above description does not limit the technical solution of the utility model, and any technology that does not deviate from the spirit of the utility model falls within the scope of the claims of the utility model. the

Claims (2)

1. the interchange light adjusting system is characterized in that: be made up of AC chopping data transmission blocks and AC chopping data reception module;

Described AC chopping data transmission blocks is made up of AC chopping module, AC wave shape processing module one, CPU supply module one, transmitting terminal CPU, display module and input module one; Wherein, described CPU supply module one is electrically connected with exchanging the transmission power line, and provides power supply by electrically connecting as transmitting terminal CPU; Described display module is electrically connected with transmitting terminal CPU; Described input module one is electrically connected with transmitting terminal CPU; Described AC wave shape processing module one with exchange transmission power line and transmitting terminal CPU and be electrically connected; Described transmitting terminal CPU transmits the copped wave data by being electrically connected toward the AC chopping module; Output control signals to after the described AC chopping resume module and exchange the transmission power line;

Described AC chopping data reception module is made up of constant pressure and flow module, AC wave shape processing module two, CPU supply module two, input module two and receiving terminal CPU; Wherein, described AC wave shape processing module receives the output control signal that exchanges the transmission power line, and the copped wave data are sent to receiving terminal CPU; Described receiving terminal CPU output control command realizes load control to the constant pressure and flow module.

2. interchange light adjusting system according to claim 1, it is characterized in that: described display module is LCD display.

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