CN106526405A - A type residual current detection circuit module for charging pile - Google Patents
A type residual current detection circuit module for charging pile Download PDFInfo
- Publication number
- CN106526405A CN106526405A CN201611128708.0A CN201611128708A CN106526405A CN 106526405 A CN106526405 A CN 106526405A CN 201611128708 A CN201611128708 A CN 201611128708A CN 106526405 A CN106526405 A CN 106526405A
- Authority
- CN
- China
- Prior art keywords
- residual current
- charging pile
- detection
- type residual
- current detection
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 230000005611 electricity Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an A type residual current detection circuit module for a charging pile. The A type residual current detection circuit module comprises a leakage detection controller, a leakage transformer, and a voltage divider circuit. The input terminal of the leakage detection controller is connected with the output terminals of the leakage transformer and the voltage divider circuit; and the output terminal of the leakage detection controller outputs a detection result to an MCU. Therefore, the A type residual current detection circuit function is realized. The module can be integrated to the main control circuit. The application becomes flexible; the size is small; and the cost is low. The charging pile main board can meet the national standard requirement.
Description
Technical field
The present invention relates to electric automobile intelligent charge facility technology field, more particularly to a kind of charging pile remaining electricity of A types
Current detection circuit module.
Background technology
The species of residual current operated protective device is relatively more, and conventional has 2 kinds of AC types and A types, and charging pile is required with A types residue
Current protector.Both differences are as follows：
AC types：For the Aftercurrent protection circuit breaker of AC fault；
A types：For AC and DC flutter component fault current Aftercurrent protection circuit breaker.
Electric stake is protected with not having ready-made module, only A types residual current on A type residual current detection circuit modules market
Shield device finished product.
A type residual current operated protective devices finished product be applied to the whole stake of charging pile alternating current inlet wire end, and be not suitable for circuit board or
Person has the circuit board of integrated requirement.
This A type residual current detections circuit module is just applied to the detection being integrated on mainboard to A type residual currents, fits
It is all alternating-current charging pile mainboards or control module with scope.
The module small volume, low cost can realize A type residual current detections, can replace A type residual current operated protective devices
Finished product, is desirably integrated into mainboard, and application is flexible, while charging pile mainboard can be helped to meet Standard.
The content of the invention
The purpose of the present invention is for meeting existing alternating-current charging pile new national standard（GB/T 18487.1-2015）Requirement,
And a kind of charging pile A type residual current detection circuit modules for proposing.
To achieve these goals, present invention employs following technical scheme：
A kind of charging pile A type residual current detection circuit modules, including detection of electrical leakage controller, creepage mutual inductor, partial pressure electricity
Road, the input of the detection of electrical leakage controller are connected with the output end of creepage mutual inductor, bleeder circuit respectively, the electric leakage inspection
Testing result is exported in the form of low and high level signal the output end for surveying controller the output pin of module.
Preferably, model FM2147 of the detection of electrical leakage controller.
Preferably, the detection threshold value of the detection of electrical leakage controller is 25mA.
Preferably, the primary side of the creepage mutual inductor and secondary side current ratio are 30mA/15uA.
In the present invention, using the microelectronic detection of electrical leakage controller FM2147 of Fudan University, creepage mutual inductor, bleeder circuit are added
The detection to residual current is carried out, detection threshold value is 25mA, when occurring to get an electric shock or leak electricity in circuit, creepage mutual inductor transformer
Secondary side exports zero-sequence current, i.e., when zero sequence current mutual inductor primary detects leakage current, secondary meeting export ratio accordingly
Electric current, the sampled resistance of secondary current switch to voltage, as the input of detection of electrical leakage chip, when the input of detection of electrical leakage chip
Voltage reaches 5.0mV or so, and its result output end output high level, testing result output supply MCU as electric leakage signal（Micro-control
Unit processed）Detection, MCU judge whether electric leakage with the signal, are then started out at once protection act by interrupting, and this module can be with
Realize A type residual current detection circuit functions；Module can be integrated on governor circuit, use flexibly, small volume, low cost, energy
Charging pile mainboard is enough helped to meet Standard.
Description of the drawings
Fig. 1 is a kind of principle schematic of charging pile A types residual current detection circuit module proposed by the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
With reference to Fig. 1, a kind of charging pile A type residual current detection circuit modules, including detection of electrical leakage controller, electric leakage are mutually
Sensor, bleeder circuit, the input of detection of electrical leakage controller are connected with the output end of creepage mutual inductor, bleeder circuit respectively, point
Volt circuit is used for regulating and controlling voltage, and testing result is exported in the form of low and high level signal and arrived by the output end of detection of electrical leakage controller
The output pin of module.
In the present embodiment, detection of electrical leakage controller adopts FM2147 Fudan University microelectronics earth leakage protective chip, adds electric leakage mutual inductance
Device, bleeder circuit carry out the detection to residual current, and detection threshold value is 25mA.
The primary side of creepage mutual inductor is that 30mA/15uA, i.e. primary side residual current are 30mA with secondary side current ratio
And more than, secondary side current is 15uA.
When occurring to get an electric shock or leak electricity in circuit, at the beginning of transformer secondary side output zero-sequence current, i.e. zero sequence current mutual inductor
When level detects leakage current, secondary meeting export ratio electric current accordingly, the sampled resistance of secondary current switch to voltage, as
The input of detection of electrical leakage controller, hardware circuit ensures primary side here when being 25mA, and secondary side is 12.5uA, and input is
5mV.When its input voltage reaches 5.0mV or so, the output end output high level of detection of electrical leakage controller, testing result are defeated
Go out MCU is supplied as electric leakage signal（Micro-control unit）Detection, MCU judge whether electric leakage with the signal, then vertical by interrupting
Set out protection act, and this module can realize A type residual current detection circuit functions；Module can be integrated on governor circuit,
Use flexibly, small volume, low cost can help charging pile mainboard to meet Standard.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (4)
1. a kind of charging pile A type residual current detection circuit modules, it is characterised in that：Including detection of electrical leakage controller, electric leakage
Transformer, bleeder circuit, the input of the detection of electrical leakage controller are connected with the output end of creepage mutual inductor, bleeder circuit respectively
Connect, the output end of the detection of electrical leakage controller testing result is exported in the form of low and high level signal the output of module and drawn
Pin.
2. a kind of charging pile according to claim 1 A type residual current detection circuit modules, it is characterised in that：It is described
Model FM2147 of detection of electrical leakage controller.
3. a kind of charging pile according to claim 1 A type residual current detection circuit modules, it is characterised in that：It is described
The detection threshold value of detection of electrical leakage controller is 25mA.
4. a kind of charging pile according to claim 1 A type residual current detection circuit modules, it is characterised in that：It is described
The primary side of creepage mutual inductor is 30mA/15uA with secondary side current ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611128708.0A CN106526405A (en) | 2016-12-09 | 2016-12-09 | A type residual current detection circuit module for charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611128708.0A CN106526405A (en) | 2016-12-09 | 2016-12-09 | A type residual current detection circuit module for charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106526405A true CN106526405A (en) | 2017-03-22 |
Family
ID=58342907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611128708.0A Pending CN106526405A (en) | 2016-12-09 | 2016-12-09 | A type residual current detection circuit module for charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106526405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374189A (en) * | 2022-03-22 | 2022-04-19 | 浙江正泰物联技术有限公司 | Intelligent circuit breaker and electric leakage detection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201584749U (en) * | 2009-12-04 | 2010-09-15 | 无锡华阳科技有限公司 | Pulse DC current leakage and over-voltage protection device |
| CN102005721A (en) * | 2009-08-31 | 2011-04-06 | 西门子公司 | Differential current transformer and residual current operated protective device |
| CN201838982U (en) * | 2010-06-25 | 2011-05-18 | 北京Abb低压电器有限公司 | Residual current protection device and circuit breaker using same |
| US20130070374A1 (en) * | 2011-09-19 | 2013-03-21 | Wolfgang Hofheinz | Electrical monitoring device and method for safeguarding the protective function of a type a residual current device (rcd) |
| WO2015139654A1 (en) * | 2014-03-21 | 2015-09-24 | 上海电科电器科技有限公司 | Direct-current residual-current detecting device |
| CN205123230U (en) * | 2015-11-19 | 2016-03-30 | 南京大全电气研究院有限公司 | A type residual current circuit breaker based on microcontroller |
| CN206431227U (en) * | 2016-12-09 | 2017-08-22 | 惠州市丝鹭新能源科技有限公司 | A kind of charging pile A type residual current detection circuit modules |
-
2016
- 2016-12-09 CN CN201611128708.0A patent/CN106526405A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005721A (en) * | 2009-08-31 | 2011-04-06 | 西门子公司 | Differential current transformer and residual current operated protective device |
| CN201584749U (en) * | 2009-12-04 | 2010-09-15 | 无锡华阳科技有限公司 | Pulse DC current leakage and over-voltage protection device |
| CN201838982U (en) * | 2010-06-25 | 2011-05-18 | 北京Abb低压电器有限公司 | Residual current protection device and circuit breaker using same |
| US20130070374A1 (en) * | 2011-09-19 | 2013-03-21 | Wolfgang Hofheinz | Electrical monitoring device and method for safeguarding the protective function of a type a residual current device (rcd) |
| WO2015139654A1 (en) * | 2014-03-21 | 2015-09-24 | 上海电科电器科技有限公司 | Direct-current residual-current detecting device |
| CN205123230U (en) * | 2015-11-19 | 2016-03-30 | 南京大全电气研究院有限公司 | A type residual current circuit breaker based on microcontroller |
| CN206431227U (en) * | 2016-12-09 | 2017-08-22 | 惠州市丝鹭新能源科技有限公司 | A kind of charging pile A type residual current detection circuit modules |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374189A (en) * | 2022-03-22 | 2022-04-19 | 浙江正泰物联技术有限公司 | Intelligent circuit breaker and electric leakage detection method |
| CN114374189B (en) * | 2022-03-22 | 2022-07-05 | 浙江正泰物联技术有限公司 | Intelligent circuit breaker and electric leakage detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102360037A (en) | Monitoring device for electric leakage of power supply and protection system for electric leakage of power supply | |
| CN101409508A (en) | Power circuit and leakage breaker using the same | |
| CN104426128B (en) | Broken neutral line detects circuit and corresponding residual current circuit breaker | |
| CN107688133A (en) | Control box has access to electricity short-circuit detecting circuit on charging gun cable | |
| CN107300684B (en) | A kind of check method in transformer differential protection secondary circuit | |
| CN1319927A (en) | Electronic controller for residual current protection | |
| CN205846688U (en) | Small-sized electric leakage overvoltage/undervoltage protection control circuit | |
| CN105684286B (en) | Supply unit | |
| CN202210598U (en) | Dual anti-creeping socket | |
| CN106526405A (en) | A type residual current detection circuit module for charging pile | |
| CN206180985U (en) | Can change circuit breaker of intelligent control ware with electricity | |
| CN206431227U (en) | A kind of charging pile A type residual current detection circuit modules | |
| CN202696482U (en) | Power supply circuit for leakage circuit breaker | |
| CN205544984U (en) | Power supply unit with wide developments input adaptability | |
| CN204992530U (en) | Three -phase leakage protection circuit | |
| CN205389097U (en) | Ferroelectric phase preface in municipality detects protection circuit | |
| CN201252392Y (en) | Earth-leakage protector | |
| CN211127104U (en) | Circuit breaker | |
| CN104901090B (en) | A kind of conversion voltage-type leakage protecting plug | |
| CN104577954B (en) | Transformer short-circuit protects circuit | |
| CN103066456A (en) | Protective plug capable of checking leakage of electricity | |
| RU138388U1 (en) | DEVICE FOR AUTOMATIC CONTROL OF SUBMOTOR PUMP MOTOR | |
| CN203275565U (en) | Multifunctional grounding detector | |
| CN206584010U (en) | A kind of intelligent high-voltage alternating overpressure resistance detecting device | |
| CN202260389U (en) | Earth leakage protection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |