CN203423476U - Load control signal control type automatic reclosing miniature circuit breaker - Google Patents
Load control signal control type automatic reclosing miniature circuit breaker Download PDFInfo
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- CN203423476U CN203423476U CN201320480312.8U CN201320480312U CN203423476U CN 203423476 U CN203423476 U CN 203423476U CN 201320480312 U CN201320480312 U CN 201320480312U CN 203423476 U CN203423476 U CN 203423476U
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- miniature circuit
- control signal
- control unit
- automatic reclosing
- circuit breaker
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Abstract
The utility model provides a load control signal control type automatic reclosing miniature circuit breaker. The automatic reclosing miniature circuit breaker is characterized in that the automatic reclosing miniature circuit breaker is composed of a modular miniature circuit breaker D, a residual current sampling operational amplifier control unit LD, a load control signal processing and control unit YF, an opening drive device T, an automatic reclosing control unit HD, and a load control signal input terminal K1. The automatic reclosing miniature circuit breaker not only has protection functions, such as the overload protection function, the short-circuit protection function, the overvoltage protection function, the undervoltage protection function, the electric leakage protection function, etc., and but also has the function of controlling automatic opening of the miniature circuit breaker according to the energy-saving electricity consumption metering requirements and the automatic reclosing function controlled by a load signal, and the automatic reclosing miniature circuit breaker can be installed and used by matching with a prepayment electric energy meter to realize intelligent, automatic and network-based management of building electrical energy-saving management in the low-voltage electrical field.
Description
One, affiliated technical field
The utility model relates to a kind of terminal protection device for switching in the architectural electricity terminal power distribution equipment in low-voltage electrical field, especially a kind of automatic reclosing miniature circuit breaker with negative control signal controlling.
Two, background technology
National grid " 12 " Plan the power consumption monitoring scheme of science, to realize architectural electricity administration of energy conservation target in low-voltage electrical field, for adapting to the requirement of architectural electricity administration of energy conservation target, on current domestic electrical equipment market, have with electric energy meter complements one another and there is overload, short circuit, overvoltage, under-voltage, earth leakage protective, electric leakage operating value is adjustable, overcurrent operating value is adjustable, current/voltage electric leakage shows, remote measurement, distant news, the Multifunctional minitype circuit breakers such as remote regulating or miniature circuit breaker, but the automatic disconnection function that mostly all only possesses manual closing or disconnection and abnormal protection, can not meet building electricity consumption control and the energy-conservation Electro-metering requirement of foundation and control automatic disconnection and the auto-closing of miniature circuit breaker, along with distribution system is information-based, networking, intelligent and multifunction degree improves constantly, and developing the multifunctional intelligent miniature circuit breakers such as automatic reclosing that possess bringing onto load signal controlling a kind of and that electric energy meter is supporting has been trend of the times, is also the developing direction of miniature circuit breaker.
Three, summary of the invention
The purpose of this utility model is to provide a kind of automatic reclosing miniature circuit breaker with negative control signal controlling; it not only has the defencive functions such as overload, short circuit, overvoltage, under-voltage, electric leakage; but also have according to energy-conservation Electro-metering requirement, control the automatic disconnection of miniature circuit breaker and the automatic reclosing function that load signal is controlled; can with mutual supporting the installing and using of prepayment meter, to realize intellectuality, automation, the network management of architectural electricity administration of energy conservation in low-voltage electrical field.
For completing above-mentioned task, the solution that the utility model is taked is: a kind of automatic reclosing miniature circuit breaker with bearing control signal controlling, is characterized in that: it is comprised of Modularized miniature circuit break D, residual current sampling operation amplifier control unit LD, the processing of negative control signal and control unit YF, separating brake drive unit T, automatic reclosing control unit HD, negative control signal input terminal K1, main circuit L at Modularized miniature circuit break D, N outgoing line side cover is installed with zero-sequence transformer LH, zero-sequence transformer LH leading-out terminal is connected to capacitor C 8 two ends of residual current sampling operation amplifier control unit LD, the control utmost point of data operator TLE2022 on residual current sampling operation amplifier control unit LD is connected with separating brake drive unit T, two power lines of the processing of negative control signal and control unit YF are connected to respectively the main circuit L of Modularized miniature circuit break D, the load-side of N, negative control signal processes and the negative control signal input part K1 of control unit YF is connected with the control signal output K2 of load-relay J2, negative control signal processes and the separating brake control end D3 two ends of control unit YF are connected with separating brake drive unit T, the combined floodgate control end KL of automatic reclosing control unit HD is connected on the control signal output K2 of load-relay J2, the combined floodgate control relay J1 normally opened contact of automatic reclosing control unit HD is in parallel with the sensitive switch SB normally-closed contact of controlling motor M, the end of incoming cables of sensitive switch SB normally-closed contact is connected to the inlet wire side of the main circuit L of Modularized miniature circuit break D, the leading-out terminal of motor M power line one end access sensitive switch SB normally-closed contact, the inlet wire side of the main circuit N of motor M power line other end access Modularized miniature circuit break D, form described collection overload, short circuit, electric leakage, overvoltage, under-voltage protection and the load signal of waiting controlled the functions such as separating brake and automatic reclosing in the automatic reclosing miniature circuit breaker of the negative control of the band signal controlling of one.
The beneficial effects of the utility model are: due to band negative control signal controlling and can also automatic reclosing, can require to control according to energy-conservation Electro-metering automatic disconnection and the automatic reclosing of miniature circuit breaker, except improving distribution system informationization, networking, intelligent degree, all right volitional check electric network terminal electricity consumption client's excess load or super electric weight electricity consumption, the energy-saving and cost-reducing automatic management level that waits of architectural electricity in raising low-voltage electrical field.
Four, accompanying drawing explanation
Fig. 1 is the structure compositional block diagram of the present embodiment.
Fig. 2 is the circuit diagram of the present embodiment.
Five, embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the utility model is further described.
As shown in Figure 1, D is that Modularized miniature circuit break, LD are residual current sampling operation amplifier control unit, YF for negative control signal processing and control unit, T are that separating brake drive unit, HD are that automatic reclosing control unit, K1 are negative control signal input terminal, is become the automatic reclosing miniature circuit breaker of the described negative control of band signal controlling by these component combinations.
As shown in Figure 2, at Modularized miniature circuit break D main circuit L, N outgoing line side cover, be installed with zero-sequence transformer LH, zero-sequence transformer LH leading-out terminal is in parallel with capacitor C 8 and diode D7, D8, through resistance R 12, be connected with the negative pole of amplifier (OPAMP), amplifier (OPAMP) is connected with the positive pole of data operator TLE2022 by diode D6, the control utmost point of data operator TLE2022 is connected with separating brake drive unit T, forms described residual current sampling operation amplifier control unit LD.
As shown in Figure 2, at Modularized miniature circuit break D main circuit L, the load-side of N connects the two ends that two wires are connected respectively to piezo-resistance RV1, piezo-resistance RV1 connects with rectifier diode D1 afterwards and dropping resistor R3, the collector electrode of R4 and triode VT1 is in parallel, the base stage of triode VT1 and dropping resistor R1, after R2 and diode D2 series connection, be connected to negative control signal input part K1, negative control signal input part K1 is connected with the control signal output K2 of load-relay J2, the emitter and collector of triode VT1 and voltage-stabiliser tube VZ1, filter capacitor C1, the base stage of resistance R 6 and triode VT2 and emitter are in parallel, the collector electrode of triode VT2 is connected to the separating brake control end of diode D3, separating brake control end D3 two ends are connected with separating brake drive unit T, forming described negative control signal processes and control unit YF.
As shown in Figure 2, combined floodgate control end KL is connected on the control signal output K2 of load-relay J2, also can be directly connected on negative control signal input part K1, the combined floodgate control end other end is connected on main circuit N, the control signal that combined floodgate control end KL receives is after the step-down and rectifier bridge MB10S rectification of resistance R 7 and capacitor C 3, pass through again capacitor C 4, the filtering of voltage stabilizing didoe VZ3 and voltage stabilizing, by control module GND, control the closed of combined floodgate control relay J1 normally opened contact or disconnect, combined floodgate control relay J1 normally opened contact is in parallel with the sensitive switch SB normally-closed contact of controlling motor M, the end of incoming cables of sensitive switch SB normally-closed contact is connected to the inlet wire side of the main circuit L of Modularized miniature circuit break D, the leading-out terminal of motor M power line one end access sensitive switch SB normally-closed contact, the inlet wire side of the main circuit N of motor M power line other end access Modularized miniature circuit break D, the closure of combined floodgate control relay J1 normally opened contact and sensitive switch SB normally-closed contact, connect motor M power circuit, motor M is rotated, the main circuit L that crank is used for controlling Modularized miniature circuit break D is housed in motor M rotating shaft, the combined floodgate of the upper moving contact of N, formed described automatic reclosing control unit HD.
Compare with similar miniature circuit breaker product, the utlity model has following characteristics:
1, possess the defencive functions such as the overload, short circuit, overvoltage of general miniature circuit breaker, under-voltage, electric leakage;
2, possess according to energy-conservation Electro-metering requirement and control the disconnection of miniature circuit breaker and the automatic reclosing function that load signal is controlled;
3, especially can with mutual supporting the installing and using of IC prepayment meter, to realize intellectuality, automation, the network management of architectural electricity administration of energy conservation in low-voltage electrical field.
Claims (1)
1. band is born an automatic reclosing miniature circuit breaker for control signal controlling, it is characterized in that: it is comprised of Modularized miniature circuit break D, residual current sampling operation amplifier control unit LD, the processing of negative control signal and control unit YF, separating brake drive unit T, automatic reclosing control unit HD, negative control signal input terminal K1; main circuit L at Modularized miniature circuit break D, N outgoing line side cover is installed with zero-sequence transformer LH, zero-sequence transformer LH leading-out terminal is connected to capacitor C 8 two ends of residual current sampling operation amplifier control unit LD, the control utmost point of data operator TLE2022 on residual current sampling operation amplifier control unit LD is connected with separating brake drive unit T, two power lines of the processing of negative control signal and control unit YF are connected to respectively the main circuit L of Modularized miniature circuit break D, the load-side of N, negative control signal processes and the negative control signal input part K1 of control unit YF is connected with the control signal output K2 of load-relay J2, negative control signal processes and the separating brake control end D3 two ends of control unit YF are connected with separating brake drive unit T, the combined floodgate control end KL of automatic reclosing control unit HD is connected on the control signal output K2 of load-relay J2, the combined floodgate control relay J1 normally opened contact of automatic reclosing control unit HD is in parallel with the sensitive switch SB normally-closed contact of controlling motor M, the end of incoming cables of sensitive switch SB normally-closed contact is connected to the inlet wire side of the main circuit L of Modularized miniature circuit break D, the leading-out terminal of motor M power line one end access sensitive switch SB normally-closed contact, the inlet wire side of the main circuit N of motor M power line other end access Modularized miniature circuit break D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480312.8U CN203423476U (en) | 2013-08-02 | 2013-08-02 | Load control signal control type automatic reclosing miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480312.8U CN203423476U (en) | 2013-08-02 | 2013-08-02 | Load control signal control type automatic reclosing miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423476U true CN203423476U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320480312.8U Expired - Lifetime CN203423476U (en) | 2013-08-02 | 2013-08-02 | Load control signal control type automatic reclosing miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241054A (en) * | 2014-09-28 | 2014-12-24 | 浙江麦克力电气股份有限公司 | Electronic control mechanism of circuit breaker closing device |
| CN112436478A (en) * | 2020-11-12 | 2021-03-02 | 贵州电网有限责任公司 | Automatic reclosing method based on cooperation of SPSR distribution line and channel-free protection |
-
2013
- 2013-08-02 CN CN201320480312.8U patent/CN203423476U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241054A (en) * | 2014-09-28 | 2014-12-24 | 浙江麦克力电气股份有限公司 | Electronic control mechanism of circuit breaker closing device |
| CN112436478A (en) * | 2020-11-12 | 2021-03-02 | 贵州电网有限责任公司 | Automatic reclosing method based on cooperation of SPSR distribution line and channel-free protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160918 Address after: Liushi Yang Zhai Cun town Yueqing City, Zhejiang province Wenzhou city 325604 Patentee after: SHANGLIAN HOLDING GROUP Co.,Ltd. Address before: 325603, 1 building, No. 2 middle Macao Road, North white elephant Town, Zhejiang, Yueqing Patentee before: YUEQING BRANCH, SHANGHAI PEOPLE ELECTRICAL SWITCH FACTORY GROUP CO.,LTD. Patentee before: ASIA-PACIFIC ELECTRIC GROUP CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |