CN205158062U - Power source long -range controller - Google Patents

Abstract

The utility model relates to a controlling means, concretely relates to power source long -range controller, including master control circuit, state acquisition circuit, drive circuit, power switching circuit and communication circuit, the outside port of state acquisition circuit is connected with network video server, and the internal port is connected with master control circuit, master control circuit is still connecting drive circuit and communication circuit respectively, and power switching circuit provides power, the external load of drive circuit, the utility model relates to a reliable, stable, safe controlling means can realize accuracy, effective control to circuit control headend equipment power, and can be the rapidly reliable receipt of state acquisition circuit comes from external sensor's warning signal, utilizes microprocessor to carry out state judgement, and the stable performance is reliable, and small, easily installs, the different input forms of reporting an emergency and asking for help or increased vigilance of self -rotation sensilla can be received in two serial portss designs, and be convenient for and other equipment accomplishes the communication, utilization ratio that can effectual control source.

Description

Power source long-range controller

Technical field

The utility model relates to a kind of control device, is specifically related to a kind of power source long-range controller.

Background technology

The operation conditions of grid power transmission circuit affects the stability of whole electric power system always, is subject to the attention of country's height.While all kinds of transmission line of electricity on-line monitoring device large area sprawls and comes, with it all come be the problem that front-end equipment powerup issue slowly cannot obtain properly settling.Although a lot of producer extends the line duration of front-end equipment to a certain extent by the mode increasing accumulator capacity, still cannot ensure continuous overcast and rainy time equipment still can normally work.This effectively manages with regard to needing the power supply of a kind of novel power source long-range controller to front-end equipment, makes electricity consumption become " in control ", " controlled ", meanwhile, also greatly will increase the cruising time of accumulator, for whole work brings convenience.

Utility model content

For the deficiency in solving the problems of the technologies described above, the purpose of this utility model is: provide a kind of power source long-range controller, has higher reliability, stability and security, can realize the intelligent monitoring to circuit monitoring front-end equipment power supply.

The technical scheme that the utility model adopts for its technical matters of solution is:

Described power source long-range controller, comprise governor circuit, state acquisition circuit, driving circuit, power-switching circuit and telecommunication circuit, the outside port of described state acquisition circuit is connected with network video server, internal port is connected with governor circuit, described governor circuit also respectively connected driving circuit and telecommunication circuit, power-switching circuit provides power supply, driving circuit external load.

Further preferably, governor circuit comprises CPUU1, house dog U2, resistor chain RP1 and connector J1, the ST pin of described house dog U2 is connected with the ST pin of CPUU1, and two pins of connector J1 are connected with the reset pin REST of reset output pin RST and CPUU1 of house dog U2 respectively.

Further preferably, telecommunication circuit comprises photoisolator D1 and RS485 interface communication chip U3, and photoisolator D1 and CPUU1 is connected, and RS485 interface communication chip U3 is connected to the output terminal of photoisolator D1.

Further preferably, state acquisition circuit comprises latch U4 and photoelectrical coupler P1.

Further preferably, driving circuit comprises code translator U5, driver U6 and latching circuit K1.

Further preferably, power-switching circuit mainly comprises power transfer module M1 and power isolation module M2.

Compared with prior art, the utility model has following beneficial effect:

The utility model is reliably a kind of, stable, the control device of safety, what can realize circuit monitoring front-end equipment power supply is accurate, effective control, and this terminal serial port protocol adopts the PELCO-D stipulations of standard, can conveniently be connected with other video processing equipment, use more flexible, succinctly, double-serial port design simultaneously both can realize communication interface complementation, can effectively realize upstream and downstream communication again, state acquisition circuit can receive rapidly the alarm signal from external sensor reliably, microprocessor is utilized to carry out condition adjudgement, stable and reliable for performance, and volume is little, be easy to install, double-serial port design can receive the different alarm input form of sensor, is convenient to complete communication with miscellaneous equipment, effectively can controls the utilization factor of power supply, add the usage space of this equipment.

Accompanying drawing explanation

Fig. 1 the utility model theory diagram;

Fig. 2 the utility model governor circuit schematic diagram;

Fig. 3 the utility model power-switching circuit schematic diagram;

Fig. 4 the utility model telecommunication circuit schematic diagram;

Fig. 5 the utility model state acquisition circuit theory diagrams;

Fig. 6 the utility model driving circuit principle figure.

Embodiment

Below in conjunction with accompanying drawing, the utility model embodiment is described further:

Embodiment 1

As shown in figures 1 to 6, power source long-range controller described in the utility model, comprise governor circuit, state acquisition circuit, driving circuit, power-switching circuit and telecommunication circuit, the outside port of described state acquisition circuit is connected with network video server, internal port is connected with governor circuit, described governor circuit also respectively connected driving circuit and telecommunication circuit, and power-switching circuit provides power supply, driving circuit external load.

Surveillance center is provided with data server, preposition workstation, browsing client, ftp server etc., and primary responsibility receives the data of each control point, and realizes the function such as storage, analysis, judgement, alarm of data; Transmission network front end adopts 3G/4G network insertion backstage power private network, completes the transmission of data.

Energy control end device is installed in the transmission line of electricity monitoring box of front end, receive from the trigger command of network video server or time switch order by state acquisition circuit, then by this command routing to governor circuit, governor circuit controls driving circuit according to different instruction information and carries out effectively reliable control to relay.Meanwhile, power source long-range controller also accepts the remote control commands from management platform by communication unit, manually carries out Long-distance Control to front-end equipment power supply.

Governor circuit mainly comprises CPUU1, house dog U2, resistor chain RP1, connector J1, resistor, capacitor, light emitting diode etc.The data line AD0-AD7 of CPUU1 is connected with the latch U4 in state acquisition circuit; The ST pin of house dog U2 is connected with the ST pin of CPUU1, and two pins of connector J1 are connected with the reset pin REST of reset output pin RST and CPUU1 of house dog U2 respectively; Resistor chain RP1 is connected with the data bus AD0-AD7 of CPUU1 respectively as pull-up resistor.

Power-switching circuit mainly comprises power transfer module M1, power isolation module M2, capacitor, resistor, diode, piezoresister and fuse etc.External input voltage is converted to VCC through power transfer module M1, VCC again through power isolation module M2 for communication power supply provides power supply DVCC, thus Reliable guarantee communication power supply and other power supply are effectively isolated, and prevent external interference.

Telecommunication circuit comprises photoisolator D1, RS485 interface communication chip U3, semiconductor surge protector, gas-discharge tube, resistor, capacitor, connection terminal and connector etc.Photoisolator D1 and CPUU1 is connected, and controls by the control signal 1 from CPUU1, realizes data transmit-receive and switches; RS485 interface communication chip U3 is connected with the output terminal of photoisolator D1, mainly completes 485 communications, effectively achieves Phototube Coupling.

State acquisition circuit comprises latch U4, photoelectrical coupler P1, resistor chain, resistor, capacitor, voltage dependent resistor (VDR), connector etc.The input end of photoelectrical coupler P1 is connected with the pin of connector, receive the status signal from outside, output terminal connects the input end of latch U4, and the output pin of latch U4 is connected with the data bus AD7-AD0 of CPUU1 respectively, the collection of completion status change.

Driving circuit comprises code translator U5, driver U6, latching circuit K1, diode, NPN low-power transistor, resistor, capacitor, resistor chain, fuse, voltage dependent resistor (VDR), connector etc.Code translator U5 receives the control signal 2 from CPUU1, selects rear end control loop; Driver U6 completes the effective driving to latching circuit K1; Latching circuit K1 then mainly comprises the components and parts such as Omron relay, reliably controls, the stable operation of proof load equipment to load.

Principle of work of the present utility model:

State acquisition circuit receives from network video server or the trigger command of front end sensors, Real-Time Monitoring is carried out to circuit running status, by program multilevel iudge, be confirmed whether that external force have impact on line status, once there be alarm signal to produce, and confirm that this trigger pip is after alarm signal, be rapidly to driving circuit and assign action command, driving circuit drives the actuating of relay, alarm modules etc. power on operation, simultaneously, driving circuit adopts many relays self-locking inside mode, make the actuating of relay reliable and stable, thus the safety achieved load power source, reliable control.In addition, remote communication module also can receive the steering order from backstage, realizes controlling the remote manual of power supply.The utility model effectively controls the power utilization rate of front end main control equipment and utility appliance, both ensure that the normal operation of equipment and timely early warning alarm, can prevent again unnecessary power supply waste, improve the flying power of power supply.

The course of work of the present utility model:

State acquisition circuit of the present utility model is connected with the alarm signal output terminal of network video server or external sensor, simultaneously, telecommunication circuit serial ports connection terminal is connected with external unit serial ports, by CPUU1 temporally polling mode judge remote signalling state, and read Serial Port Information with serial ports interrupt mode, judge that whether state changes and serial data by program, draw and whether have alarm signal to produce, once this alarm signal confirms, control front end alarm equipment at once to power on, start on-the-spot alarm, and pass through wireless-transmission network, warning information is sent to Surveillance center.

The utility model can carry out Long-distance Control to four-way power supply simultaneously, and three tunnels are for often to open, and a road is normally closed, determines according to the actual requirements.

The software program that the utility model adopts is prior art, does not need to pay creativeness.

Claims (6)

1. a power source long-range controller, it is characterized in that, comprise governor circuit, state acquisition circuit, driving circuit, power-switching circuit and telecommunication circuit, the outside port of described state acquisition circuit is connected with network video server, internal port is connected with governor circuit, described governor circuit also respectively connected driving circuit and telecommunication circuit, and power-switching circuit provides power supply, driving circuit external load.

2. power source long-range controller according to claim 1, it is characterized in that, governor circuit comprises CPUU1, house dog U2, resistor chain RP1 and connector J1, the ST pin of described house dog U2 is connected with the ST pin of CPUU1, and two pins of connector J1 are connected with the reset pin REST of reset output pin RST and CPUU1 of house dog U2 respectively.

3. power source long-range controller according to claim 1 and 2, it is characterized in that, telecommunication circuit comprises photoisolator D1 and RS485 interface communication chip U3, and photoisolator D1 and CPUU1 is connected, and RS485 interface communication chip U3 is connected to the output terminal of photoisolator D1.

4. power source long-range controller according to claim 1 and 2, is characterized in that, state acquisition circuit comprises latch U4 and photoelectrical coupler P1.

5. power source long-range controller according to claim 1 and 2, is characterized in that, driving circuit comprises code translator U5, driver U6 and latching circuit K1.

6. power source long-range controller according to claim 1 and 2, is characterized in that, power-switching circuit mainly comprises power transfer module M1 and power isolation module M2.