CN2870273Y

CN2870273Y - Intelligent control device of high-voltage breaker

Info

Publication number: CN2870273Y
Application number: CNU2005200663928U
Authority: CN
Inventors: 刘一江; 刘长生
Original assignee: FOSHAN MINGHUA CREDIBLE ELECTRICAL TECHNOLOGY Co Ltd
Current assignee: FOSHAN MINGHUA CREDIBLE ELECTRICAL TECHNOLOGY Co Ltd
Priority date: 2005-11-01
Filing date: 2005-11-01
Publication date: 2007-02-14
Anticipated expiration: 2015-11-01

Abstract

The utility model discloses an intelligent control device for high-voltage breaker including a monitor console and transmission device; the transmission device is high-voltage breaker, primary voltage transformer PT and primary current transformer CT with features that the transmission device is connected with intelligent control device, the intelligent device includes an intelligent controller connected by lead, a peripheral communication equipment comprising a control device of mobile network and a control device of communication network, the intelligent controller is matched with a remote control equipment and is A/D module and CPU central processing module; the CPU central processing module comprises programmable, central processing modules for arithmetic, logical diagnosis, judgment and decision made of several monolithic microprocessors and peripheral digital circuit. The utility model boasts rational design, simple operation, safe and reliable use; workers could diagnose and judge according to received data and issue correction order to make the breaker in normal working situation.

Description

A kind of primary cut-out intelligence controlling device

Technical field

The utility model relates to a kind of circuit breaker control device, particularly relates to a kind of primary cut-out intelligence controlling device.

Background technology

In electric utility, circuit breaker is widely used, particularly in electric power system, circuit breaker a kind of electric component that more is absolutely necessary, still, in the prior art, when circuit breaker breaks down, often need the manual detection source of trouble, then, cut off the power supply of this source of trouble scope, repair the original backwardness of this mode of fixing a breakdown by manually going to source of trouble place to climb up electric pole, speed is slow, efficient is low, resource consumption is big, and the manpower waste is serious, cost height, dangerous higher.

Summary of the invention

The purpose of this utility model is to provide a kind of advanced person, is quick on the draw, low in energy consumption, resource consumption is little, saving is artificial, cost is low, safety saves time; easy to maintenance; by remote control the primary cut-out operating state is monitored; and can carry out fault by remote control unit and get rid of, have the network communication facility, can realize primary cut-out intelligence controlling device circuit and equipment protection.

The purpose of this utility model is achieved through the following technical solutions:

A kind of primary cut-out intelligence controlling device, comprise control and monitor console, the defeated device that becomes, described defeated change device is primary cut-out, the primary side voltage transformer pt, primary side current instrument transformer CT, primary side current instrument transformer CT is electrically connected with primary cut-out, it is characterized in that: the peripheral communication apparatus that described intelligence controlling device also includes intelligent controller and links to each other with intelligent controller, the primary side voltage transformer pt, primary side current instrument transformer CT and primary cut-out all are electrically connected with intelligent controller, peripheral communication apparatus is a mobile network's control device and a communication network control device, and intelligent controller is corresponding to a remote control.

Described intelligent controller is the combination of A/D modular converter and CPU central processing module.

Described CPU central processing module is judged for able to programme, the computing, the logic analysis that are made of a plurality of chip microprocessors and peripheral digital circuit and the central processing module of decision-making.

Described mobile network's control device is the gsm wireless network.

Described communication network control device is 485 communication networks.

Described CPU central processing module is electrically connected respectively with three communication interface modular converters, and described communication interface modular converter is respectively TTL serial ports/RS-232 modular converter, 38k infrared modulated demodulation module, TTL serial ports/RS485 modular converter.

Described TTL serial ports/RS-232 modular converter is electrically connected with the GSM mobile network.

Described 38k infrared modulated demodulation module and beat carrier modulation power amplifier, infrared receiving terminal are connected, and this frequency carrier modulation power amplifier, infrared receiving terminal are corresponding with remote control.

Described TTL serial ports/RS485 modular converter is electrically connected with 485 communication networks.

Described remote control is the MCRD325 remote controller.

The central treatment element of described CPU also is electrically connected with a change over switch, and described change over switch is to open into module and the connector of leaving module.

Described change over switch is electrically connected with the high pressure primary equipment.

The utility model has adopted the beneficial effect after the said structure to be:

1, the utility model is owing to adopted infrared technique to realize remote control to primary cut-out, need not operating personnel and go the pole-climbing operation again, and adopted Infrared Ray Remote Control Technology to strengthen greatly, simultaneously not to the environment pollution that generates electromagnetic waves than the radio remote control technology antijamming capability.

2, the utility model is owing to adopted sealed type self-constant temperature technology, and the sealed type design can be satisfied the requirement that moves under low temperature, high temperature and protection against the tide, damp proof, the anti-outdoor adverse circumstances of stinging.

3, the utility model is because its remote controller has adopted rolling password identification technology, and a remote control can carry out straighforward operation to a plurality of circuit breakers, and has adopted large-scale integrated technology, and a remote controller can be downloaded the service data of many circuit breakers.

4, the utility model has been owing to adopted GSM mobile network technology, makes the running status of circuit breaker and parameter can allow the operations staff away from field apparatus understand from mobile phone anywhere or anytime, and in time reacts, and solution is sent back to Surveillance center.

5, the utility model is owing to adopted the multichannel serial parallel processing technique, and control device can be received and dispatched the information from infrared remote receiver, 485 local area network (LAN)s and GSM mobile network simultaneously.

6, the utility model is owing to adopted accident, the design of fault memory function, intelligence controlling device not only has logout, simple and easy failure wave-recording, real-time event record, historical events record, also have accident, the coincidence of fault trip automatic blocking, multiple functions such as the automatic coincidence of power failure tripping.

7, the utility model can be followed the tracks of the variation of this line load maximum point owing to adopted the Steam Generator in Load Follow design, can inform the operations staff by the gsm wireless network during overload.

8, the utility model is reasonable in design, applied widely, simple to operate, esy to use, safe and reliable, the staff just can be according to the data that receive at Control Room, analysis and judgement, react, send instruction by control desk again, adjust circuit breaker parameters, realize error correction, make circuit breaker be in normal operating conditions.

Description of drawings

Fig. 1 is the utility model critical piece connection layout

Fig. 2 is the utility model circuit frame principle figure

Fig. 3 is the utility model fundamental diagram

Embodiment

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

In Fig. 1

1. square frame is primary side voltage transformer pt, primary side current instrument transformer CT, and 2. square frame is primary cut-out, and 3. square frame is intelligent controller and peripheral communication apparatus.2. square frame CT end 1. is connected with square frame, and 3. square frame PT end 1. is connected with square frame, and square frame is 2. 3. corresponding with square frame.

High-tension line voltage; electric current through square frame 1. in primary side voltage transformer (PT); insert the intelligent controller of square frame in 3. after primary side current instrument transformer (CT) conversion; intelligent controller is to voltage; electric current is sampled and is calculated and the logic analysis judgement; formation is to the protection and the control of the primary cut-out of square frame in 2.; form real-time measuring data and SOE event report simultaneously; the 3. middle intelligent controller of described square frame is electrically connected with the 3. middle gsm wireless network transceiving module of square frame; described square frame 3. intelligent controller also with square frame 3. in 485 communication networks be electrically connected; described gsm wireless network transceiving module; 485 communication networks are sent to the information that receives on Surveillance center and operations staff's the Communication Equipment, and the intelligent controller of described square frame in 3. can be controlled by MCRD325 remote controller in this frame.

Be illustrated below in conjunction with circuit theory diagrams:

In Fig. 2

PT, CT module, be that voltage, current transducer module are connected the back by analog channel and are connected with the CPU CPU with the A/D modular converter, the CPU CPU is connected with one group of communication interface modular converter, one of described communication interface modular converter is TTL serial ports/RS-232C modular converter, and this TTL serial ports/R232C modular converter is connected the back corresponding to a gsm module with the CPU CPU; Two of described communication interface modular converter is a 38k infrared modulated demodulation module, this 38k infrared modulated demodulation module with is connected with difference frequency modulation effect, infrared receiving terminal again after the CPU CPU is connected, this difference frequency is modulated effect, infrared receiving terminal corresponding to primary cut-out infrared remote sensing watch-dog; Three of described communication interface modular converter is TTL serial ports/RS-485 modular converter, and this TTL serial ports/RS-485 modular converter is connected the back corresponding to one 485 communication networks with the CPU CPU.

CPU CPU described in the utility model also with after opening/leave module and being connected is electrically connected with the high pressure primary equipment again.

The CPU central processing module is able to programme, the computing that constitutes of a plurality of chip microprocessors and peripheral digital circuit in the utility model, logic analysis is judged and the central processing module of decision-making.

In Fig. 3

The PT that is connected with the high pressure primary equipment, CT module with the secondary side signal transformation behind instrument transformer of high pressure primary side voltage, electric current become the compatible weak electric signal of microcomputer by analog channel through the A/D modular converter, under the control of CPU CPU, convert multichannel analog signals to digital signal through multiway analog switch.Digital signal by the output of A/D modular converter is delivered to the CPU CPU, carry out various computings by the CPU CPU according to prior written program, logic analysis judges that the I/O switching value level conversion that is connected with the high pressure primary equipment is delivered in decision-making at last, isolate, the treatment conversion module such as go to tremble, the CPU CPU also will be made a strategic decision at last and be delivered to the RS232 communication interface circuit that is connected with gsm module simultaneously, the infrared modulated demodulator circuit that is connected with the infrared receiving/transmission circuit, the RS485 communication interface circuit that is connected with 485 communication networks, I/O switching value level conversion, isolate, the treatment conversion module such as going to tremble receives instruction from the CPU CPU and is about to weak electric signal and isolates and level promotes and drives exit relay again and form outlet and move through opto-electronic conversion, simultaneously by photoelectricity can modular converter collection return to the CPU CPU from the feedback signal of high pressure primary equipment operating position, allow it detect execution; The RS232 communication interface circuit that is connected with the gsm wireless network transceiving module is sent to the destination with course of action, reason, action data etc. through wireless network after receiving the last decision signal that the CPU CPU sends, and reception is from the new instruction of destination, when the infrared modulated demodulator circuit that is connected with the infrared receiving/transmission circuit is received the decision signal that the CPU CPU sends course of action, reason, action data are sent to the MCRD325 remote controller, receive the new instruction that the MCRD325 remote controller sends simultaneously; The RS485 communication interface circuit that is connected with 485 communication networks receives from after the decision signal of CPU CPU course of action, reason, action data etc. being sent to the destination through communication network, and receives the new instruction from the destination.

It is corresponding with remote controller to adopt the infrared modulated demodulator circuit to connect the infrared receiving/transmission circuit in the utility model, strengthens greatly than the radio remote control technology antijamming capability, and the while is not to the environment pollution that generates electromagnetic waves; Use infrared technology far away simultaneously, remote control distance can be controlled in certain limit.

The application of the gsm wireless network transceiving module that is connected with RS232 communication interface circuit in the utility model, make the decision-making data of the CPU CPU that RS232 communication interface circuit receives, can circuit breaker running status and parameter be sent on the mobile phone away from the operations staff of field apparatus by the gsm wireless network, the operations staff understands from mobile phone whenever and wherever possible, need not just can know at Control Room, and make analysis in good time, judge, and the decision-making that will make send back to the CPU CPU by mobile phone, so that the CPU CPU is gathered suggestion, by new analysis, computing, new decision-making is made in comparison.Increase the flexibility of working method greatly, shortened the time of handling problems, improved operating efficiency.

CPU CPU in the utility model is connected with RS232 communication interface circuit, infrared modulated demodulator circuit, RS485 communication interface circuit simultaneously, and controller can be received and dispatched the information from infrared remote receiver, 485 local area network (LAN)s and GSM mobile network simultaneously.

CPU CPU in the utility model simultaneously with open into/leave module to be connected, can receive with open into/leave the variation of the high pressure primary equipment operational factor that module is connected, and can carry out logic analysis, data operation by opening the operational factor of delivering to into module according to receiving parameter, remake the decision instruction that makes new advances, will instruct to be sent to the high pressure primary equipment by leaving module.

CPU CPU of the present utility model has adopted the Steam Generator in Load Follow design, can follow the tracks of the variation of high pressure primary equipment place line load maximum point, if can the parameter of being received be sent to the gsm wireless network transceiving module by RS232 communication interface circuit by the CPU CPU when receiving overload information, and by the gsm wireless network system information of receiving is sent on staff's the mobile phone, so that the staff understands load condition whenever and wherever possible.

Accident, the design of fault memory function have been adopted in the CPU CPU of the present utility model, the instruction that received data and institute's analysis and judgement, computing are sent can be put down in writing one by one for future referencely, intelligence controlling device not only has logout, simple and easy failure wave-recording, real-time event record, historical events record; The CPU CPU also has the setting of automatic safety device; when receiving casualty data, can in time react; send accident, the coincidence of fault trip automatic blocking to the control system of accident, trouble unit rapidly, the instruction that power failure tripping overlaps automatically is reduced to minimum point with loss.

MCRD325 remote controller in the utility model has adopted rolling network technology and large-scale integration technology, a remote controller can carry out straighforward operation to a plurality of circuit breakers, when intelligence controlling device is connected with a plurality of circuit breakers, only adopt a remote controller just can download the service data of many circuit breakers.

Claims

1, a kind of primary cut-out intelligence controlling device, comprise control and monitor console, the defeated device that becomes, described defeated change device is primary cut-out, the primary side voltage transformer pt, primary side current instrument transformer CT, primary side current instrument transformer CT is electrically connected with primary cut-out, it is characterized in that: the peripheral communication apparatus that described intelligence controlling device also includes intelligent controller and links to each other with intelligent controller, the primary side voltage transformer pt, primary side current instrument transformer CT and primary cut-out all are electrically connected with intelligent controller, peripheral communication apparatus is a mobile network's control device and a communication network control device, and intelligent controller is corresponding to a remote control.

2, a kind of primary cut-out intelligence controlling device according to claim 1, it is characterized in that: described intelligent controller is the combination of A/D modular converter and CPU central processing module, and described CPU central processing module is judged for able to programme, the computing, the logic analysis that are made of a plurality of chip microprocessors and peripheral digital circuit and the central processing module of decision-making.

3, a kind of primary cut-out intelligence controlling device according to claim 1, it is characterized in that: described mobile network's control device is the gsm wireless network, described communication network control device is 485 communication networks.

4, a kind of primary cut-out intelligence controlling device according to claim 1, it is characterized in that: described CPU processing module is electrically connected respectively with three communication interface modular converters, described communication interface modular converter is respectively TTL serial ports/RS-232 modular converter, 38k infrared modulated demodulation module, TTL serial ports/RS485 modular converter.

5, a kind of primary cut-out intelligence controlling device according to claim 4 is characterized in that: described TTL serial ports/RS-232 modular converter is electrically connected with the GSM mobile network.

6, a kind of primary cut-out intelligence controlling device according to claim 4, it is characterized in that: described 38k infrared modulated demodulation module is connected with beat carrier modulation power amplifier, infrared receiving terminal, and carrier modulation power amplifier, infrared receiving terminal connect corresponding with remote control frequently for these.

7, a kind of primary cut-out intelligence controlling device according to claim 4 is characterized in that: described TTL serial ports/RS-485 modular converter is electrically connected with 485 communication networks.

8, a kind of primary cut-out intelligence controlling device according to claim 7, it is characterized in that: described remote control is the MCRD325 remote controller.

9, a kind of primary cut-out intelligence controlling device according to claim 1 is characterized in that: the central treatment element of described CPU also is electrically connected with a change over switch, and described change over switch is to open into module and the connector of leaving module.

10, a kind of primary cut-out intelligence controlling device according to claim 9, it is characterized in that: described change over switch is electrically connected with the high pressure primary equipment.