CN203397429U - Special circuit breaker circuit of prepaid electricity meter - Google Patents

Special circuit breaker circuit of prepaid electricity meter Download PDF

Info

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
Authority
CN
China
Prior art keywords
circuit
circuit breaker
electricity meter
special
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320419628.6U
Other languages
Chinese (zh)
Inventor
余存泰
赵东杰
彭昆明
李其利
杨晓红
黎永胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd.
Original Assignee
CNC Electric Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNC Electric Group Co Ltd filed Critical CNC Electric Group Co Ltd
Priority to CN201320419628.6U priority Critical patent/CN203397429U/en
Application granted granted Critical
Publication of CN203397429U publication Critical patent/CN203397429U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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

A kind of pre-paying kilowatt-hour meter definite purpose circuit breaker circuit
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.
CN201320419628.6U 2013-07-15 2013-07-15 Special circuit breaker circuit of prepaid electricity meter Expired - Fee Related CN203397429U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN201974501U (en) Fault indicator for overhead lines
CN203397429U (en) Special circuit breaker circuit of prepaid electricity meter
CN204967236U (en) Leakage protector
CN103066559A (en) Power outage protector
CN103366460A (en) Circuit breaker for prepaid electric meter
CN202651773U (en) Overvoltage protection device of direct current adapter
CN203166499U (en) IGBT overvoltage protection circuit of electromagnetic oven
CN203491680U (en) Automatic reset electric leakage overvoltage/undervoltage protection circuit
CN202433997U (en) Specific circuit breaker circuit for pre-payment electricity meter
CN204992521U (en) Electric energy meter that single -phase electric energy meter operated a switch control circuit and made with this circuit
CN203397430U (en) Circuit breaker for prepaid electricity meter
CN204205560U (en) leakage protection circuit
CN104268993A (en) Special breaker circuit for miniature prepaid electricity meter
CN203932969U (en) A kind of low-voltage leakage protector with over-voltage protecting function
CN204496613U (en) Novel prepayment ammeter breaker circuit
CN201518411U (en) Novel overvoltage protector
CN201422011Y (en) Leakage-detecting protective circuit
CN203932967U (en) A kind of coil controller
CN204087370U (en) Small-sized pre-paying kilowatt-hour meter definite purpose circuit breaker circuit
CN202633933U (en) Surge protector circuit of low-voltage power supply
CN205901262U (en) Can protect SPD wiring pattern of power frequency overvoltage
CN206004291U (en) A kind of residual current action breaker
CN204271634U (en) A kind of large through-flow module lightning protection device structure
CN206164083U (en) Novel power consumption protector
CN204407861U (en) A kind of Low-Voltage Leakage Protection

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