CN204375063U - The Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter - Google Patents
The Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter Download PDFInfo
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- CN204375063U CN204375063U CN201520059603.9U CN201520059603U CN204375063U CN 204375063 U CN204375063 U CN 204375063U CN 201520059603 U CN201520059603 U CN 201520059603U CN 204375063 U CN204375063 U CN 204375063U
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- automatic reclosing
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- 230000003111 delayed effect Effects 0.000 claims abstract description 11
- 230000001419 dependent effect Effects 0.000 claims abstract description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon Substances 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to the Special Automatic reclosing breaker circuit of a kind of small-sized pre-paying kilowatt-hour meter, comprising: power circuit, delayed releasing circuit, automatic reclosing circuit and ammeter signal deteching circuit; Wherein, power circuit comprises voltage dependent resistor (VDR) RV1, commutation diode D3, diode D5, current-limiting resistance R5 and voltage stabilizing diode D4; Delayed releasing circuit comprises diode D2, resistance R3, R4, electric capacity C2, C3, controllable silicon Q1 and electrical apparatus release L; Automatic reclosing circuit comprises manual/auto selector switch SWI, combined floodgate/open position feedback switch SW2, voltage dependent resistor (VDR) RV2, ac synchronous motor M and electric capacity C4; Ammeter signal deteching circuit comprises resistance R1, diode D1, and electric capacity C1 and transistor Q2 forms.Greatly improve reliability and the security of product; Delayed releasing circuit improves delay precision and reliability greatly, meets the functional requirement of pre-paying kilowatt-hour meter definite purpose circuit breaker completely; Whole circuit design is simple, and anti-electromagnetic compatibility characteristic is strong, more meets the actual demand of user.
Description
Technical field
The utility model relates to breaker technical field, more particularly, relates to the Special Automatic reclosing breaker circuit of a kind of small-sized pre-paying kilowatt-hour meter.
Background technology
Along with deepening constantly of national grid transformation, the use of this electric power meter of pre-paying kilowatt-hour meter definite purpose circuit breaker is more and more universal, and the electricity consumption idea of people also changes thereupon simultaneously, and after first power purchase, the consumption pattern of electricity consumption has started the life entering people.But current pre-paying kilowatt-hour meter definite purpose circuit breaker only has arrearage power down function, and when user is continuous be filled with prepayment electric expense after, ammeter can not control isolating switch automatic reclosing, namely needing artificial deallocation electronic box to carry out breaker switching-on operation could power taking again, this isolating switch of manual closing operation that needs brings inconvenience to user's use, causes very large trouble particularly to old age or handicapped user.The miniature circuit breaker developing a pre-paying kilowatt-hour meter possessing automatic reclosing function special has been trend of the times, is also the developing direction of miniature circuit breaker.
Therefore, prior art urgently has greatly improved.
Summary of the invention
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, there is provided a kind of small-sized pre-paying kilowatt-hour meter Special Automatic reclosing breaker circuit, comprise: it is characterized in that, comprising: power circuit, delayed releasing circuit, automatic reclosing circuit and ammeter signal deteching circuit; Wherein, power circuit comprises voltage dependent resistor (VDR) RV1, commutation diode D3, diode D5, current-limiting resistance R5 and voltage stabilizing diode D4; Delayed releasing circuit comprises diode D2, resistance R3, R4, electric capacity C2, C3, controllable silicon Q1 and electrical apparatus release L; Automatic reclosing circuit comprises manual/auto selector switch SWI, combined floodgate/open position feedback switch SW2, voltage dependent resistor (VDR) RV2, ac synchronous motor M and electric capacity C4; Ammeter signal deteching circuit comprises resistance R1, diode D1, and electric capacity C1 and transistor Q2 forms.
Implement the Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter of the present utility model, there is following beneficial effect: have after automatic reclosing function ensures that user is continuous and be filled with prepayment electric expense, ammeter can control isolating switch automatic reclosing, is user-friendly to; Automatic reclosing circuit adopts Surge suppression process, effectively can solve the performance of current prepaid breaker special for electricity meter anti-lightning surge generally lower than 2.5kV, portioned product occurs that the problem that Partial key components and parts burst appears in 2.5kV false tripping and 4kV, greatly improves reliability and the security of product; Delayed releasing circuit improves delay precision and reliability greatly, meets the functional requirement of pre-paying kilowatt-hour meter definite purpose circuit breaker completely; Whole circuit design is simple, and anti-electromagnetic compatibility characteristic is strong, more meets the actual demand of user.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the circuit theory diagrams of the first embodiment of the Special Automatic reclosing breaker circuit of the small-sized pre-paying kilowatt-hour meter of the utility model.
Embodiment
Referring to Fig. 1, is the circuit theory diagrams of the first embodiment of the Special Automatic reclosing breaker circuit of the small-sized pre-paying kilowatt-hour meter of the utility model.As shown in Figure 1, in the Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter that the utility model first embodiment provides, at least comprise, power circuit, delayed releasing circuit, automatic reclosing circuit and ammeter signal deteching circuit; Wherein, power circuit comprises voltage dependent resistor (VDR) RV1, commutation diode D3, diode D5, current-limiting resistance R5 and voltage stabilizing diode D4; Delayed releasing circuit comprises diode D2, resistance R3, R4, electric capacity C2, C3, controllable silicon Q1 and electrical apparatus release L; Automatic reclosing circuit comprises manual/auto selector switch SWI, combined floodgate/open position feedback switch SW2, voltage dependent resistor (VDR) RV2, ac synchronous motor M and electric capacity C4; Ammeter signal deteching circuit comprises resistance R1, diode D1, and electric capacity C1 and transistor Q2 forms.
The utility model is by the design of above first embodiment, and can accomplish to have after automatic reclosing function ensures that user is continuous and be filled with prepayment electric expense, ammeter can not control isolating switch automatic reclosing, uses bring inconvenience to user; Automatic reclosing circuit adopts Surge suppression process, effectively can solve the performance of current prepaid breaker special for electricity meter anti-lightning surge generally lower than 2.5kV, portioned product occurs that the problem that Partial key components and parts burst appears in 2.5kV false tripping and 4kV, greatly improves reliability and the security of product; Delayed releasing circuit improves delay precision and reliability greatly, meets the functional requirement of pre-paying kilowatt-hour meter definite purpose circuit breaker completely; Whole circuit design is simple, and anti-electromagnetic compatibility characteristic is strong, more meets the actual demand of user.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that when not departing from the utility model scope, can carry out various change and equivalent replacement.In addition, for adapting to the specific occasion of the utility model technology, can many amendments be carried out to the utility model and not depart from its protection domain.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises all embodiments dropping into claims.
Claims (1)
1. the Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter, is characterized in that, comprising: power circuit, delayed releasing circuit, automatic reclosing circuit and ammeter signal deteching circuit;
Wherein, power circuit comprises voltage dependent resistor (VDR) RV1, commutation diode D3, diode D5, current-limiting resistance R5 and voltage stabilizing diode D4; Delayed releasing circuit comprises diode D2, resistance R3, R4, electric capacity C2, C3, controllable silicon Q1 and electrical apparatus release L; Automatic reclosing circuit comprises manual/auto selector switch SWI, combined floodgate/open position feedback switch SW2, voltage dependent resistor (VDR) RV2, ac synchronous motor M and electric capacity C4; Ammeter signal deteching circuit comprises resistance R1, diode D1, and electric capacity C1 and transistor Q2 forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059603.9U CN204375063U (en) | 2015-01-28 | 2015-01-28 | The Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059603.9U CN204375063U (en) | 2015-01-28 | 2015-01-28 | The Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204375063U true CN204375063U (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520059603.9U Expired - Fee Related CN204375063U (en) | 2015-01-28 | 2015-01-28 | The Special Automatic reclosing breaker circuit of small-sized pre-paying kilowatt-hour meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204375063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574677A (en) * | 2015-01-28 | 2015-04-29 | 长城电器集团有限公司 | Special-purpose automatic reclosing lock breaker circuit for small prepaid electric meter |
-
2015
- 2015-01-28 CN CN201520059603.9U patent/CN204375063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574677A (en) * | 2015-01-28 | 2015-04-29 | 长城电器集团有限公司 | Special-purpose automatic reclosing lock breaker circuit for small prepaid electric meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171228 Address after: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road (South) Patentee after: ZHEJIANG KEVA ELECTRIC CO.,LTD. Address before: 325000, No. 2-1, white elephant Avenue, North white elephant Town, Wenzhou, Zhejiang, Yueqing Patentee before: CNC Electric Group Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co.,Ltd. Address before: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee before: ZHEJIANG KEVA ELECTRIC CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 |