CN204465147U - A kind of power control circuit of motor-operating mechanism of circuit breaker - Google Patents
A kind of power control circuit of motor-operating mechanism of circuit breaker Download PDFInfo
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- CN204465147U CN204465147U CN201520216159.7U CN201520216159U CN204465147U CN 204465147 U CN204465147 U CN 204465147U CN 201520216159 U CN201520216159 U CN 201520216159U CN 204465147 U CN204465147 U CN 204465147U
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 239000004065 semiconductor Substances 0.000 claims abstract description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 claims description 4
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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Abstract
The utility model relates to a kind of power control circuit of motor-operating mechanism of circuit breaker, it comprises rectification circuit, DC/DC power module circuitry, the switching circuit of control DC/DC power module circuitry break-make and the control circuit of control switch circuit start, rectification circuit is connected with DC/DC power module circuitry by switching circuit, the external output control circuit of output of DC/DC power module circuitry, low-power consumption voltage stabilizing circuit is provided with between output control circuit and rectification circuit, switching circuit comprises the first control element as break-make and the second control element, first, second control element is metal-oxide-semiconductor, control circuit comprises transistor circuit, transistor circuit is electrically connected with switching circuit, by increasing control circuit, the conducting of control switch circuit, reduce circuit breaker do not carry out divide-shut brake time stand-by power consumption, the use eliminating external circuit breaker affects measuring accuracy of electric energy meter, reduce the power consumption of circuit breaker self, also electric energy metrical justice is conducive to.
Description
Technical field
The utility model relates to a kind of circuit, particularly a kind of power control circuit of motor-operating mechanism of circuit breaker.
Background technology
The single-phase/three-phase expense control intelligent electric energy meter used in the market have employed external circuit breaker in a large number to control power on/off, but current this external circuit breaker exists some drawbacks.Power supply due to external circuit breaker is connected on electric energy meter rear end, and circuit breaker itself also can as a part for load, and its power consumption also can include electric energy metrical in.If designed external circuit breaker control unit power consumption is excessive, when there will be electric energy meter idle condition, electric energy adds up, and affect electric energy metrical, this can produce a large amount of electricity consumption disputes.
Utility model content
Increase the deficiency of electric energy meter zero load meter electricity to overcome circuit breaker oneself power consumption, the utility model provides a kind of power control circuit of motor-operating mechanism of circuit breaker.
The technical scheme that the utility model adopts is: a kind of power control circuit of motor-operating mechanism of circuit breaker, it comprises rectification circuit, DC/DC power module circuitry, the switching circuit of control DC/DC power module circuitry break-make and the control circuit of control switch circuit start, rectification circuit one end is connected with circuit breaker, one end is connected with DC/DC power module circuitry by switching circuit, the external output control circuit of output of described DC/DC power module circuitry, low-power consumption voltage stabilizing circuit is provided with between described output control circuit and rectification circuit, described switching circuit comprises the first control element as break-make and the second control element, described first, second control element is metal-oxide-semiconductor, described control circuit comprises transistor circuit, described transistor circuit is electrically connected with switching circuit.
Described transistor circuit comprises triode V2, the grounded emitter of described triode V2, the collector electrode of triode V2 connects one end of switching circuit and resistance R8 respectively, ground connection after another termination clamp diode D10 of described resistance R8, base stage series resistance R10, resistance R12 and the resistance R37 respectively of triode V2, resistance R10 is by clamp diode D10 ground connection, and resistance R12 meets control end POWERCTL, resistance R37 ground connection.The other end of resistance R8 connects the input of switching circuit successively after series resistance R1, resistance R13, resistance R23, resistance R25 and resistance R28.
Described first control element is N-channel MOS pipe Q1, second control element is N-channel MOS pipe Q2, series resistance R2, resistance R3 and resistance R4 between 1 pin of described N-channel MOS pipe Q1 and resistance R5,3 pin and the DC/DC power module of N-channel MOS pipe Q1 input positive pole and are connected, 1 pin of N-channel MOS pipe Q1 is connected with rectification circuit, 2 pin of N-channel MOS pipe Q1 are connected with 1 pin of N-channel MOS pipe Q2 by resistance R5, the 3 pin ground connection of N-channel MOS pipe Q2,2 pin of N-channel MOS pipe Q2 connect transistor circuit.
Described rectification circuit adopts rectifier bridge U1.
The input piezo-resistance RV1 in parallel of described rectifier bridge U1.
1 pin of described N-channel MOS pipe Q1 and 3 pin two ends parallel diode D12.
Output control circuit comprises triode V1, the emitter out-put supply VCC1 of triode V1, the collector electrode of triode V1 connects the output of DC/DC power module circuitry, the base stage of triode V1 connects the collector electrode of triode V1 respectively by resistance R30 and resistance R36, the base stage of triode V1 is by diode D5 ground connection.
Described low-power consumption voltage stabilizing circuit comprises bidirectional diode D7, and the common cathode of bidirectional diode D7 meets power supply VCC, and two anodes of bidirectional diode connect the output of output control circuit and rectification circuit respectively.
Series diode D6 between the anode of described bidirectional diode D7 and rectification circuit.
The beneficial effects of the utility model are: by increasing control circuit, the conducting of two control elements of control switch circuit, realize a conducting and make the conducting of DC/DC power module circuitry, another conducting then makes the not conducting of DC/DC power module circuitry, reduce circuit breaker do not carry out divide-shut brake time stand-by power consumption, the use eliminating external circuit breaker affects measuring accuracy of electric energy meter, reduces the power consumption of circuit breaker self, is also conducive to electric energy metrical justice.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
As shown in Figure 1, a kind of power control circuit of motor-operating mechanism of circuit breaker, it comprises rectification circuit, DC/DC power module circuitry, the switching circuit of control DC/DC power module circuitry break-make and the control circuit of control switch circuit start, rectification circuit one end is connected with circuit breaker, one end is connected with DC/DC power module circuitry by switching circuit, the external output control circuit of output of described DC/DC power module circuitry, low-power consumption voltage stabilizing circuit is provided with between described output control circuit and rectification circuit, described switching circuit comprises the first control element as break-make and the second control element, described first, second control element is metal-oxide-semiconductor, described control circuit comprises transistor circuit, described transistor circuit is electrically connected with switching circuit.
The input of DC/DC power module circuitry is by electrochemical capacitor C3 ground connection.
Described transistor circuit comprises triode V2, the grounded emitter of described triode V2, the collector electrode of triode V2 connects one end of switching circuit and resistance R8 respectively, ground connection after another termination clamp diode D10 of described resistance R8, base stage series resistance R10, resistance R12 and the resistance R37 respectively of triode V2, resistance R10 is by clamp diode D10 ground connection, and resistance R12 meets control end POWERCTL, resistance R37 ground connection.The other end of resistance R8 connects the input of switching circuit successively after series resistance R1, resistance R13, resistance R23, resistance R25 and resistance R28.
Described first control element is N-channel MOS pipe Q1, second control element is N-channel MOS pipe Q2, series resistance R2, resistance R3 and resistance R4 between 1 pin of described N-channel MOS pipe Q1 and resistance R5,3 pin and the DC/DC power module of N-channel MOS pipe Q1 input positive pole and are connected, 1 pin of N-channel MOS pipe Q1 is connected with rectification circuit, 2 pin of N-channel MOS pipe Q1 are connected with 1 pin of N-channel MOS pipe Q2 by resistance R5, the 3 pin ground connection of N-channel MOS pipe Q2,2 pin of N-channel MOS pipe Q2 connect transistor circuit.
Triode V2 conducting, N-channel MOS pipe Q2 not conducting, N-channel MOS pipe Q1 conducting;
Triode V2 not conducting, N-channel MOS pipe Q2 conducting, N-channel MOS pipe Q1 not conducting;
Thus by the conducting of triode V2 whether, control to the difference conducting of N-channel MOS pipe Q2 and N-channel MOS pipe Q1, circuit breaker is made to be communicated with DC/DC power module circuitry or to disconnect, avoid occurring that the electric energy under electric energy meter idle condition adds up, affect electric energy metrical, greatly reduce the oneself power consumption of circuit breaker, reduce electric energy meter metering dispute and improve electric energy meter Long-Time Service reliability.
And adopting transistor circuit as the control end of switching circuit, its signal controlling is more reliable.
Described rectification circuit adopts rectifier bridge U1, the input piezo-resistance RV1 in parallel of described rectifier bridge U1.At the input of rectifier bridge U1 piezo-resistance RV1 in parallel, prevent excessive voltage from puncturing, play the effect of protective circuit.
Between rectification circuit with switching circuit, be connected in series thermistor RT1, for the protection of circuit, prevent circuit overcurrent, overload.
1 pin of described N-channel MOS pipe Q1 and 3 pin two ends parallel diode D12, series resistance R41 before 1 pin of N-channel MOS pipe Q1, the effect of landing low current.
Output control circuit comprises triode V1, the emitter out-put supply VCC1 of triode V1, power supply VCC1 is by electric capacity C6 ground connection, strobe, the collector electrode of triode V1 connects the output of DC/DC power module circuitry, the base stage of triode V1 connects the collector electrode of triode V1 respectively by resistance R30 and resistance R36, the base stage of triode V1 is by diode D5 ground connection.
Described low-power consumption voltage stabilizing circuit comprises bidirectional diode D7, the common cathode of bidirectional diode D7 meets power supply VCC, power supply VCC is by resistance R32 ground connection, two anodes of bidirectional diode connect the output of output control circuit and rectification circuit respectively, series diode D6 between the anode of described bidirectional diode D7 and rectification circuit, ensure voltage stabilization, the negative electrode of diode D6 is by electric capacity C11 ground connection simultaneously, reduces noise jamming.
Below described by reference to the accompanying drawings embodiment is only preferred implementation of the present utility model, and the restriction not to protection range of the present utility model, and any improvement done based on the utility model spirit all ought within the utility model protection range.
Claims (9)
1. the power control circuit of the motor-operating mechanism of a circuit breaker, it is characterized in that: it comprises rectification circuit, DC/DC power module circuitry, the switching circuit of control DC/DC power module circuitry break-make and the control circuit of control switch circuit start, rectification circuit one end is connected with circuit breaker, one end is connected with DC/DC power module circuitry by switching circuit, the external output control circuit of output of described DC/DC power module circuitry, low-power consumption voltage stabilizing circuit is provided with between described output control circuit and rectification circuit, described switching circuit comprises the first control element as break-make and the second control element, described first control element and the second control element are metal-oxide-semiconductor, described control circuit comprises transistor circuit, described transistor circuit is electrically connected with switching circuit.
2. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 1, it is characterized in that: described transistor circuit comprises triode V2, the grounded emitter of described triode V2, the collector electrode of triode V2 connects one end of switching circuit and resistance R8 respectively, ground connection after another termination clamp diode D10 of described resistance R8, the base stage series resistance R10 respectively of triode V2, resistance R12 and resistance R37, resistance R10 is by clamp diode D10 ground connection, resistance R12 meets control end POWERCTL, resistance R37 ground connection, the other end series resistance R1 successively of resistance R8, resistance R13, resistance R23, the input of switching circuit is connect after resistance R25 and resistance R28.
3. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 1, it is characterized in that: described first control element is N-channel MOS pipe Q1, second control element is N-channel MOS pipe Q2, series resistance R2 between 1 pin of described N-channel MOS pipe Q1 and resistance R5, resistance R3 and resistance R4, 3 pin and the DC/DC power module of N-channel MOS pipe Q1 input positive pole and are connected, 1 pin of N-channel MOS pipe Q1 is connected with rectification circuit, 2 pin of N-channel MOS pipe Q1 are connected with 1 pin of N-channel MOS pipe Q2 by resistance R5, the 3 pin ground connection of N-channel MOS pipe Q2, 2 pin of N-channel MOS pipe Q2 connect transistor circuit.
4. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 1, is characterized in that: described rectification circuit adopts rectifier bridge U1.
5. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 4, is characterized in that: the input piezo-resistance RV1 in parallel of described rectifier bridge U1.
6. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 3, is characterized in that: 1 pin of described N-channel MOS pipe Q1 and 3 pin two ends parallel diode D12.
7. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 1, it is characterized in that: output control circuit comprises triode V1, the emitter out-put supply VCC1 of triode V1, the collector electrode of triode V1 connects the output of DC/DC power module circuitry, the base stage of triode V1 connects the collector electrode of triode V1 respectively by resistance R30 and resistance R36, the base stage of triode V1 is by diode D5 ground connection.
8. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 1, it is characterized in that: described low-power consumption voltage stabilizing circuit comprises bidirectional diode D7, the common cathode of bidirectional diode D7 meets power supply VCC, and two anodes of bidirectional diode connect the output of output control circuit and rectification circuit respectively.
9. the power control circuit of the motor-operating mechanism of a kind of circuit breaker according to claim 8, is characterized in that: series diode D6 between the anode of described bidirectional diode D7 and rectification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216159.7U CN204465147U (en) | 2015-04-13 | 2015-04-13 | A kind of power control circuit of motor-operating mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216159.7U CN204465147U (en) | 2015-04-13 | 2015-04-13 | A kind of power control circuit of motor-operating mechanism of circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN204465147U true CN204465147U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520216159.7U Expired - Fee Related CN204465147U (en) | 2015-04-13 | 2015-04-13 | A kind of power control circuit of motor-operating mechanism of circuit breaker |
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| CN (1) | CN204465147U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652947A (en) * | 2016-03-30 | 2016-06-08 | 无锡智卓电气有限公司 | Energy-saving control circuit of electric operating mechanism of circuit breaker |
| CN106597974A (en) * | 2017-03-03 | 2017-04-26 | 湖南晟和电子技术有限公司 | Control device for external circuit breaker of energy meter and control method thereof |
| CN107123575A (en) * | 2016-02-24 | 2017-09-01 | 浙江正泰电器股份有限公司 | The power control circuit of the motor-operating mechanism of breaker |
| CN107800273A (en) * | 2017-11-27 | 2018-03-13 | 浙江凯发电气有限公司 | A kind of external circuit breaker electric source circuit of electric energy meter |
| CN109149775A (en) * | 2018-09-25 | 2019-01-04 | 浙江正泰电器股份有限公司 | A kind of electric energy meter takes control system, breaker and switch electric control circuit |
| CN109585234A (en) * | 2019-01-25 | 2019-04-05 | 无锡凯绎科技有限公司 | A kind of control circuit of frame-type circuit breaker electric motor operating mechanism |
-
2015
- 2015-04-13 CN CN201520216159.7U patent/CN204465147U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123575A (en) * | 2016-02-24 | 2017-09-01 | 浙江正泰电器股份有限公司 | The power control circuit of the motor-operating mechanism of breaker |
| CN105652947A (en) * | 2016-03-30 | 2016-06-08 | 无锡智卓电气有限公司 | Energy-saving control circuit of electric operating mechanism of circuit breaker |
| CN106597974A (en) * | 2017-03-03 | 2017-04-26 | 湖南晟和电子技术有限公司 | Control device for external circuit breaker of energy meter and control method thereof |
| CN106597974B (en) * | 2017-03-03 | 2023-08-08 | 湖南晟和电源科技有限公司 | Control device and control method of external circuit breaker of electric energy meter |
| CN107800273A (en) * | 2017-11-27 | 2018-03-13 | 浙江凯发电气有限公司 | A kind of external circuit breaker electric source circuit of electric energy meter |
| CN109149775A (en) * | 2018-09-25 | 2019-01-04 | 浙江正泰电器股份有限公司 | A kind of electric energy meter takes control system, breaker and switch electric control circuit |
| CN109585234A (en) * | 2019-01-25 | 2019-04-05 | 无锡凯绎科技有限公司 | A kind of control circuit of frame-type circuit breaker electric motor operating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20210413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |