CN203397429U - Special circuit breaker circuit of prepaid electricity meter - Google Patents
Special circuit breaker circuit of prepaid electricity meter Download PDFInfo
- Publication number
- CN203397429U CN203397429U CN201320419628.6U CN201320419628U CN203397429U CN 203397429 U CN203397429 U CN 203397429U CN 201320419628 U CN201320419628 U CN 201320419628U CN 203397429 U CN203397429 U CN 203397429U
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- circuit
- circuit breaker
- electricity meter
- special
- power supply
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Abstract
The utility model relates to a special circuit breaker circuit of a prepaid electricity meter. The special circuit breaker circuit comprises a power supply input end. The special circuit breaker circuit is characterized in that the special circuit breaker circuit is additionally comprises a power supply circuit, a delay tripping circuit and an electricity meter signal detection circuit, wherein the delay tripping circuit, the power supply circuit and the electricity meter signal detection circuit are serially connected; the power supply circuit consists of a voltage-dependent resistor RV1, a rectifier diode D3, a current limiting resistor R4 and a voltage stabilizing diode D4. The special circuit breaker circuit of the prepaid electricity meter provided by the utility model has the advantages that the product reliability and safety are greatly improved; the delay accuracy is improved and the functional requirement on a special circuit breaker of the prepaid electricity meter is fully satisfied, the design of the entire circuit is simple, the electromagnetic compatibility is strong and the actual demands of users are fully met..
Description
Technical field
The utility model relates to a kind of breaker circuit, more particularly, relates to a kind of pre-paying kilowatt-hour meter definite purpose circuit breaker circuit.
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 people's electricity consumption idea also changes thereupon simultaneously, and after first power purchase, the consumption pattern of electricity consumption has started to enter people's life.But the performance of current pre-paying kilowatt-hour meter definite purpose circuit breaker anti-lightning surge is generally lower than 2.5kV, there is 2.5kV false tripping in portioned product, there is the phenomenon that part key components bursts in 4kV, greatly affects the primary demand of client to the reliability of product and security.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned part key components of prior art, burst with product false tripping and greatly affect the defect of client to the primary demand of the reliability of product and security, a kind of pre-paying kilowatt-hour meter definite purpose circuit breaker circuit is provided, power supply input, described breaker circuit also comprises:
Power circuit;
Delayed releasing circuit;
Ammeter signal deteching circuit;
Wherein, described delayed releasing circuit, power circuit, ammeter signal deteching circuit are connected in series.
In pre-paying kilowatt-hour meter definite purpose circuit breaker circuit described in the utility model, described power circuit is comprised of voltage dependent resistor (VDR) RV1, commutation diode D3, current-limiting resistance R4 and voltage stabilizing diode D4.
In pre-paying kilowatt-hour meter definite purpose circuit breaker circuit described in the utility model, described delayed releasing circuit is by diode D2, resistance R 2, R3, capacitor C 2, C3, and controllable silicon Q1 and electrical apparatus release J1 form.
In pre-paying kilowatt-hour meter definite purpose circuit breaker circuit described in the utility model, described ammeter signal deteching circuit is by voltage dependent resistor (VDR) RV2, resistance R 1, diode D1, D5, and capacitor C 1 and transistor Q2 form.
In pre-paying kilowatt-hour meter definite purpose circuit breaker circuit described in the utility model, described power supply is input as civil power 220V or 380V.
Implement pre-paying kilowatt-hour meter definite purpose circuit breaker circuit of the present utility model, there is following beneficial effect: the reliability and the security that greatly improve product; Improve delay precision, meet 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, thereby meets user's actual demand completely.
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 schematic diagram of an embodiment of the utility model pre-paying kilowatt-hour meter definite purpose circuit breaker circuit.
Embodiment
Referring to Fig. 1, is the schematic diagram of an embodiment of the utility model pre-paying kilowatt-hour meter definite purpose circuit breaker circuit.As shown in Figure 1, in the pre-paying kilowatt-hour meter definite purpose circuit breaker circuit providing at the utility model one embodiment, at least comprise power supply input, power circuit, delayed releasing circuit, ammeter signal deteching circuit; Wherein, described delayed releasing circuit, power circuit, ammeter signal deteching circuit are connected in series.
Further, described power circuit is comprised of voltage dependent resistor (VDR) RV1, commutation diode D3, current-limiting resistance R4 and voltage stabilizing diode D4.
Further, described delayed releasing circuit is by diode D2, resistance R 2, R3, capacitor C 2, C3, and controllable silicon Q1 and electrical apparatus release J1 form.
Further, described ammeter signal deteching circuit is by voltage dependent resistor (VDR) RV2, resistance R 1, diode D1, D5, and capacitor C 1 and transistor Q2 form.
Further, described power supply is input as civil power 220V or 380V.
Unique distinction of the present utility model is that ammeter signal deteching circuit adopts Surge suppression to process, can effectively solve the performance of current pre-paying kilowatt-hour meter definite purpose circuit breaker anti-lightning surge generally lower than 2.5kV, portioned product occurs that the problem that part key components bursts appears in 2.5kV false tripping and 4kV.
The utility model, by an above embodiment, can accomplish greatly to improve reliability and the security of product; Improve delay precision, meet 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, thereby meets user's actual demand completely.
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 variations and be equal to replacement.In addition,, for adapting to the specific occasion of the utility model technology, can carry out many modifications and not depart from its protection domain the utility model.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises all embodiment that drop into claim protection domain.
Claims (4)
1. a pre-paying kilowatt-hour meter definite purpose circuit breaker circuit, comprising: power supply input, it is characterized in that, and described breaker circuit also comprises:
Power circuit;
Delayed releasing circuit;
Ammeter signal deteching circuit;
Wherein, described delayed releasing circuit, power circuit, ammeter signal deteching circuit are connected in series, and described power circuit is comprised of voltage dependent resistor (VDR) RV1, commutation diode D3, current-limiting resistance R4 and voltage stabilizing diode D4.
2. pre-paying kilowatt-hour meter definite purpose circuit breaker circuit according to claim 1, is characterized in that, described delayed releasing circuit is by diode D2, resistance R 2, R3, capacitor C 2, C3, and controllable silicon Q1 and electrical apparatus release J1 form.
3. pre-paying kilowatt-hour meter definite purpose circuit breaker circuit according to claim 1, is characterized in that, described ammeter signal deteching circuit is by voltage dependent resistor (VDR) RV2, resistance R 1, diode D1, D5, and capacitor C 1 and transistor Q2 form.
4. according to the pre-paying kilowatt-hour meter definite purpose circuit breaker circuit described in claims 1 to 3 any one, it is characterized in that, described power supply is input as civil power 220V or 380V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320419628.6U CN203397429U (en) | 2013-07-15 | 2013-07-15 | Special circuit breaker circuit of prepaid electricity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320419628.6U CN203397429U (en) | 2013-07-15 | 2013-07-15 | Special circuit breaker circuit of prepaid electricity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203397429U true CN203397429U (en) | 2014-01-15 |
Family
ID=49908947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320419628.6U Expired - Fee Related CN203397429U (en) | 2013-07-15 | 2013-07-15 | Special circuit breaker circuit of prepaid electricity meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203397429U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201016A (en) * | 2014-07-01 | 2014-12-10 | 上海诺雅克电气有限公司 | Circuit breaker with automatic reclosing function special for pre-paid electricity meter |
| CN104268993A (en) * | 2014-10-22 | 2015-01-07 | 长城电器集团有限公司 | Special breaker circuit for miniature prepaid electricity meter |
| CN104732664A (en) * | 2015-04-09 | 2015-06-24 | 长城电器集团有限公司 | Novel pre-pay electricity meter breaker circuit |
-
2013
- 2013-07-15 CN CN201320419628.6U patent/CN203397429U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201016A (en) * | 2014-07-01 | 2014-12-10 | 上海诺雅克电气有限公司 | Circuit breaker with automatic reclosing function special for pre-paid electricity meter |
| CN104201016B (en) * | 2014-07-01 | 2016-07-06 | 上海诺雅克电气有限公司 | A kind of pre-paying kilowatt-hour meter definite purpose circuit breaker with automatic reclosing |
| CN104268993A (en) * | 2014-10-22 | 2015-01-07 | 长城电器集团有限公司 | Special breaker circuit for miniature prepaid electricity meter |
| CN104732664A (en) * | 2015-04-09 | 2015-06-24 | 长城电器集团有限公司 | Novel pre-pay electricity meter breaker circuit |
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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 |
Effective date of registration: 20170821 Address after: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road (South) Patentee after: Zhejiang Kai FA Electric Co., Ltd. Address before: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road Patentee before: CNC Electric Group Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| 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 Kai FA Electric Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20200715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |