Scenic spot bus control circuit

A bus control and bus technology, applied in the field of bus control circuits, can solve problems such as unstable bus voltage and system operating failure, and achieve the effects of reducing failure rate, extending transmission distance, and reducing bus power consumption.

Inactive Publication Date: 2010-01-13
深圳市大景智能控制有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a scene bus control circuit, which is beneficial to simplify the communication mode, reduce the power consumption of the bus and prolong the transmission distance, and can be used to solve the problems caused by the instability of the bus voltage in the intelligent lighting system. The problem of system malfunction

Method used

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  • Scenic spot bus control circuit

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Embodiment Construction

[0018] The invention provides a scene bus control circuit.

[0019] Example structure such as figure 1 shown. The scene bus control circuit of the present invention is an important part of the intelligent lighting system. It includes a bus port, a bus ground, a signal receiving unit, a signal sending unit and a bus power supply unit. The receiving signal terminal connected to the external central control unit and the bus signal sending control terminal.

[0020] As the computing processing center of the whole system, the central control unit CPU processes the data signals from the accessories and issues commands to the execution components to realize centralized control and system monitoring.

[0021] The signal receiving unit is mainly composed of a first resistor R1, a first capacitor C1, a third resistor R3 and a regulator tube DW1. The first resistor R1, the third resistor R3 and the regulator DW1 are connected in series between the bus port BUS and the bus ground in s...

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Abstract

The invention relates to an intelligent illuminating system control circuit, in particular to a scenic spot bus control circuit which can simply the communication mode, reduce the bus power consumption and prolong the transmission distance, aiming at the solving the problem of the working failure of the intelligent illuminating system, which is resulted from the unstable voltage of the bus. A first resistor, a third resistor and a voltage stabilizing tube of the scenic spot bus control circuit are connected in series between a bus port and a bus grounding end; the positive electrode of the voltage stabilizing tube is connected with the bus grounding end; a first capacitor is connected with two ends of the third resistor; a signal receiving end is connected with the negative electrode of the voltage stabilizing tube; the collecting electrode of a high-power triode is connected with the bus port, the emitting electrode is connected with the bus grounding end, and the base electrode; a second resistor is connected in series between the base electrode of the high-power triode and a bus signal sending controlling end; the positive electrode of a fast-recovery diode is connected with the bus port; the positive electrode of a polar capacitor is connected with the negative electrode of the fast-recovery diode and the DC power supply of the bus; and the negative electrode of polar capacitor is connected with the bus grounding end.

Description

technical field [0001] The invention relates to an intelligent lighting system, in particular to a bus control circuit of the intelligent lighting system. Background technique [0002] For a distributed bus control system, the smaller the number of bus connection lines, the easier the installation, the lower the cost, and the lower the failure rate; the stronger the anti-interference performance of the bus, the stronger the adaptability to harsh environments. [0003] The 485 communication bus, which has been popular for a long time, is a relatively simple and versatile bus communication method with relatively stable performance compared to other buses. The standard RS-485, as an electrical specification for multi-point and differential data transmission, has become the most widely used in the industry. One of a wide range of standard communication interfaces. However, this bus requires two additional DC power lines. It is a 4-wire bus with power and communication signals s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02
CPCY02B20/48Y02B20/40
Inventor 梅勇峰
Owner 深圳市大景智能控制有限公司
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