CN207541476U - One kind carries the external circuit breaker control circuit of combined floodgate detection function electric energy meter - Google Patents
One kind carries the external circuit breaker control circuit of combined floodgate detection function electric energy meter Download PDFInfo
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- CN207541476U CN207541476U CN201721798951.3U CN201721798951U CN207541476U CN 207541476 U CN207541476 U CN 207541476U CN 201721798951 U CN201721798951 U CN 201721798951U CN 207541476 U CN207541476 U CN 207541476U
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- optocoupler
- electric energy
- energy meter
- combined floodgate
- detection function
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Abstract
The utility model provides a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, it includes control system, drive system for the power-supply system for providing working power and for driving circuit-breaker switching on-off, the control system is connect with control signal feedback system, the control system is additionally provided with divide-shut brake reponse system, the opening and closing state of the input terminal detection breaker of the divide-shut brake reponse system, the opening and closing state signal of detection is then delivered to control system by output terminal, the on/off switch state for the breaker that control system is fed back according to divide-shut brake reponse system, and the control information of control signal feedback system, it can carry out more comprehensive control and protection action.
Description
Technical field
The utility model is related to the external breaker technical fields of electric energy meter, and in particular to one kind is with combined floodgate detection function electricity
Energy off-balancesheet puts circuit breaker control circuit.
Background technology
According to the intelligentized demand of China's supply network, State Grid Corporation of China requires breaker to realize supply network intelligence
Change, it is desirable that remote control can be carried out in end user location and carry out the functions such as the functions such as divide-shut brake and pre-payment, and put into effect
Relevant criterion, such as《The external on-load switch technical specification of electric energy meter》.
Majority product is only concerned it and operates whether attachment completes compulsory exercise at present, and whether breaker indeed is in
"on" position is not relevant for；Simultaneously when power grid causes to have a power failure because of breaking down, because lacking to power grid busbar signal
Detection, also easily malfunctions.
Utility model content
For the deficiency more than solving, the utility model provides a kind of with the external open circuit of combined floodgate detection function electric energy meter
Device control circuit.
The utility model provides one kind with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, including control
System, the drive system for the power-supply system that provides working power and for driving circuit-breaker switching on-off, the control system
System is connect with control signal feedback system, and the control system is additionally provided with divide-shut brake reponse system, the divide-shut brake reponse system
Input terminal detection breaker opening and closing state, the opening and closing state signal of detection is then delivered to control system by output terminal.
The divide-shut brake reponse system includes the port feedback being connect with circuit-breaker switching on-off test side, the port
It is connect after feedback series diodes D3 with the anode of optocoupler U1, after the cathode series resistance R2 of the optocoupler U1 and resistance R1
Connect alternating current N lines, the collector of optocoupler U1 meets power supply VCC_5, the emitter connected control system of optocoupler U1 for detecting breaker
Whether the output terminal IN1 of "on" position is in.
Parallel diode D1 and capacitance C2 successively between the anode and cathode of the optocoupler U1.
The emitter of the optocoupler U1 passes sequentially through capacitance C1 and resistance R3 ground connection.
The control signal feedback system includes receiving the port CTR, the port CTR series diodes D5 of control signal
It is followed by the anode of optocoupler U2, what the cathode of optocoupler U2 was sequentially connected in series resistance R6 and resistance R5 is followed by alternating current N lines, the current collection of optocoupler U2
Pole meets power supply VCC_5, the output terminal IN2 for being used to judge whether there is control signal of the emitter connected control system of optocoupler U2.
Connect light emitting diode D4 between the anode of the optocoupler U2 and diode D5.
Shunt capacitance C5 and capacitance C4, the capacitance C5 and capacitance C4 divide successively between the anode and cathode of the optocoupler U2
Not Wei Yu light emitting diode D4 both ends.
Parallel diode D6 between the anode and cathode of the optocoupler U2.
The emitter of the optocoupler U2 passes sequentially through capacitance C6 and resistance R4 ground connection.
The beneficial effects of the utility model：
The on/off switch state for the breaker that control system is fed back according to divide-shut brake reponse system and control signal feedback system
The control information of system can carry out more comprehensive control and protection action：
1st, when control signal do not change when on/off switch feedback signal change, show product occur manual operation,
System needs to record the state；
2nd, when product is in "on" position, control signal such as occurs and changes simultaneously with on/off switch feedback signal, shows power grid
Power down, control system should ignore the secondary signal, maintain the original state；As control signal intensity only occurs, and on/off switch state is unchanged
During change, then signal is controlled to be practical, control system should perform corresponding actions.
Description of the drawings
Fig. 1 is the logic diagram of the utility model.
Fig. 2 is the circuit diagram of the utility model.
Specific embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, the utility model discloses one kind to carry the external breaker control of combined floodgate detection function electric energy meter
Circuit processed, the drive including control system, for the power-supply system that provides working power and for driving circuit-breaker switching on-off
Dynamic system, the control system are connect with control signal feedback system, and the control system is additionally provided with divide-shut brake reponse system, institute
The opening and closing state of the input terminal detection breaker of divide-shut brake reponse system is stated, output terminal is then by the opening and closing state signal of detection
It is delivered to control system.
During practical application, on/off switch state and other control information of the control system according to breaker can carry out
More comprehensive control and protection action：
1st, when control signal do not change when on/off switch feedback signal change, show product occur manual operation,
System needs to record the state；
2nd, when product is in "on" position, control signal such as occurs and changes simultaneously with on/off switch feedback signal, shows power grid
Power down, control system should ignore the secondary signal, maintain the original state；As control signal intensity only occurs, and on/off switch state is unchanged
During change, then signal is controlled to be practical, control system should perform corresponding actions.
The divide-shut brake reponse system includes the port feedback being connect with circuit-breaker switching on-off test side, the port
It is connect after feedback series diodes D3 with the anode of optocoupler U1, after the cathode series resistance R2 of the optocoupler U1 and resistance R1
Connect alternating current N lines, the collector of optocoupler U1 meets power supply VCC_5, the emitter connected control system of optocoupler U1 for detecting breaker
Whether the output terminal IN1 of "on" position is in, it is disconnected to obtain by comparing the voltage change of port feedback and alternating current N lines
The indication signal of road device opening and closing state, parallel diode D1 and capacitance successively between the anode and cathode of the optocoupler U1
The emitter of C2, the optocoupler U1 pass sequentially through capacitance C1 and resistance R3 ground connection.
The control signal feedback system includes receiving the port CTR, the port CTR series diodes D5 of control signal
It is followed by the anode of optocoupler U2, what the cathode of optocoupler U2 was sequentially connected in series resistance R6 and resistance R5 is followed by alternating current N lines, the current collection of optocoupler U2
Pole meets power supply VCC_5, the output terminal IN2 for being used to judge whether there is control signal of the emitter connected control system of optocoupler U2.
Connect light emitting diode D4 between the anode of the optocoupler U2 and diode D5, and one light emitting diode D4 of series connection can
To play the instruction that whether there is control signal.
Shunt capacitance C5 and capacitance C4, the capacitance C5 and capacitance C4 divide successively between the anode and cathode of the optocoupler U2
Not Wei Yu light emitting diode D4 both ends, parallel diode D6 between the anode and cathode of the optocoupler U2 plays the work of protection
With.
The emitter of the optocoupler U2 passes sequentially through capacitance C6 and resistance R4 ground connection.
Embodiment is not construed as the limitation to the utility model, but changing of being made of any spirit based on the utility model
Into should all be within the protection scope of the utility model.
Claims (9)
1. one kind carries the external circuit breaker control circuit of combined floodgate detection function electric energy meter, it is characterised in that：It include control system,
Drive system for the power-supply system for providing working power and for driving circuit-breaker switching on-off, the control system and control
Signal feedback system connection processed, the control system are additionally provided with divide-shut brake reponse system, the input of the divide-shut brake reponse system
The opening and closing state signal of detection is then delivered to control system by the opening and closing state of end detection breaker, output terminal.
It is 2. according to claim 1 a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature
It is：The divide-shut brake reponse system includes the port feedback being connect with circuit-breaker switching on-off test side, the port
It is connect after feedback series diodes D3 with the anode of optocoupler U1, after the cathode series resistance R2 of the optocoupler U1 and resistance R1
Connect alternating current N lines, the collector of optocoupler U1 meets power supply VCC_5, the emitter connected control system of optocoupler U1 for detecting breaker
Whether the output terminal IN1 of "on" position is in.
It is 3. according to claim 2 a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature
It is：Parallel diode D1 and capacitance C2 successively between the anode and cathode of the optocoupler U1.
It is 4. according to claim 2 a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature
It is：The emitter of the optocoupler U1 passes sequentially through capacitance C1 and resistance R3 ground connection.
It is 5. according to claim 1 a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature
It is：After the control signal feedback system port CTR including receiving control signal, the port CTR series diodes D5
Connect the anode of optocoupler U2, what the cathode of optocoupler U2 was sequentially connected in series resistance R6 and resistance R5 is followed by alternating current N lines, the collector of optocoupler U2
Meet power supply VCC_5, the output terminal IN2 for being used to judge whether there is control signal of the emitter connected control system of optocoupler U2.
It is 6. according to claim 5 a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature
It is：Connect light emitting diode D4 between the anode of the optocoupler U2 and diode D5.
7. according to one kind described in claim 6 with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature exists
In：Shunt capacitance C5 and capacitance C4, the capacitance C5 and capacitance C4 distinguish position successively between the anode and cathode of the optocoupler U2
In the both ends of light emitting diode D4.
It is 8. according to claim 5 a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature
It is：Parallel diode D6 between the anode and cathode of the optocoupler U2.
It is 9. according to claim 5 a kind of with the external circuit breaker control circuit of combined floodgate detection function electric energy meter, feature
It is：The emitter of the optocoupler U2 passes sequentially through capacitance C6 and resistance R4 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798951.3U CN207541476U (en) | 2017-12-21 | 2017-12-21 | One kind carries the external circuit breaker control circuit of combined floodgate detection function electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798951.3U CN207541476U (en) | 2017-12-21 | 2017-12-21 | One kind carries the external circuit breaker control circuit of combined floodgate detection function electric energy meter |
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| Publication Number | Publication Date |
|---|---|
| CN207541476U true CN207541476U (en) | 2018-06-26 |
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ID=62618919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798951.3U Active CN207541476U (en) | 2017-12-21 | 2017-12-21 | One kind carries the external circuit breaker control circuit of combined floodgate detection function electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207541476U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919714A (en) * | 2018-07-16 | 2018-11-30 | 华立科技股份有限公司 | A kind of control method and system of the external on-load switch of electric energy meter |
| CN109001622A (en) * | 2018-08-01 | 2018-12-14 | 宁波三星智能电气有限公司 | A kind of detection method of the external on-load switch of electric energy meter |
| CN114019872A (en) * | 2021-11-05 | 2022-02-08 | 中冶赛迪电气技术有限公司 | Circuit breaker opening and closing time sequence and fault judgment logic control system thereof |
-
2017
- 2017-12-21 CN CN201721798951.3U patent/CN207541476U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919714A (en) * | 2018-07-16 | 2018-11-30 | 华立科技股份有限公司 | A kind of control method and system of the external on-load switch of electric energy meter |
| CN109001622A (en) * | 2018-08-01 | 2018-12-14 | 宁波三星智能电气有限公司 | A kind of detection method of the external on-load switch of electric energy meter |
| CN109001622B (en) * | 2018-08-01 | 2020-10-27 | 宁波三星智能电气有限公司 | Detection method for external load switch of electric energy meter |
| CN114019872A (en) * | 2021-11-05 | 2022-02-08 | 中冶赛迪电气技术有限公司 | Circuit breaker opening and closing time sequence and fault judgment logic control system thereof |
| CN114019872B (en) * | 2021-11-05 | 2023-11-14 | 中冶赛迪电气技术有限公司 | Circuit breaker opening and closing time sequence and fault judgment logic control system thereof |
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