CN111376765B - Self-resetting control circuit for charging pile after emergency stop and cut-off and use method thereof - Google Patents
Self-resetting control circuit for charging pile after emergency stop and cut-off and use method thereof Download PDFInfo
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- CN111376765B CN111376765B CN201811615321.7A CN201811615321A CN111376765B CN 111376765 B CN111376765 B CN 111376765B CN 201811615321 A CN201811615321 A CN 201811615321A CN 111376765 B CN111376765 B CN 111376765B
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- intermediate relay
- coil
- emergency stop
- contactor
- charging pile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of charging piles, in particular to a self-resetting control circuit after emergency stop and disconnection of a charging pile, which comprises an emergency stop button, a first intermediate relay, a second intermediate relay and a contactor, wherein one end of the emergency stop button is connected with the positive pole of an external power supply, the other end of the emergency stop button is connected with the coil of the second intermediate relay and then grounded, one end of the coil of the first intermediate relay is connected with the positive pole of the external power supply, the other end of the coil of the first intermediate relay is connected with a control port of a main control board of the charging pile, a normally open contact of the first intermediate relay is connected with the coil of the contactor after external mains supply, the other end of the coil of the contactor is connected with a normally closed contact of the second intermediate relay and then connected with a mains supply N line, and a main loop contact of the contactor is connected in series in a main loop of the charging pile.
Description
Technical Field
The invention relates to the technical field of charging piles, in particular to a self-resetting control circuit for a charging pile after emergency stop and disconnection.
Background
At present, domestic charging piles are required to be pressed down in emergency stop control, an input power supply is disconnected, emergency stop tripping is mostly a molded case circuit breaker, the molded case circuit breaker (only a tripping accessory is added) cannot be automatically reset after tripping, an alternating current contactor is additionally arranged in each charging pile, normal contactor software and hardware cannot be controlled simultaneously, software control is mainly in a sucking action, hardware control is mainly in emergency stop tripping action, an emergency stop button is mainly in tripping of a hardware part, and after tripping is met, the software is used for recovering power supplied to the charging piles, so that the electric principle is designed and used for automatic resetting after emergency stop tripping.
Disclosure of Invention
The invention aims to provide a self-resetting control circuit for a charging pile after emergency stop and cutting, which solves the problem that the charging pile cannot be automatically reset after emergency stop in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fill self-reset control circuit after electric pile scram cuts off, includes scram button, intermediate relay one, intermediate relay two and contactor, the anodal of external power source is connected to the one end of scram button, and the ground is connected behind the coil of intermediate relay two is connected to the other end of scram button, the anodal of external power source is connected to coil one end of intermediate relay one, and the main control board control port of filling electric pile is connected to the other end, connect the coil one end of contactor behind the external commercial power is connected to the normally open contact of intermediate relay one, connect the commercial power N line behind the normally closed contact of intermediate relay two is connected to the coil other end of contactor, and the main loop contact of contactor is established ties in the main loop of filling electric pile.
Preferably, the external power source is a DC12V power source.
Preferably, the external commercial power is an AC220V power supply.
In order to achieve the above purpose, the present invention further provides the following technical solutions: the application method of the self-resetting control circuit after the emergency stop and the cutting-off of the charging pile comprises the following steps:
(1) When the charging pile is in a normal state, the emergency stop is in a suspended state, and the main control board outputs a com low-level signal;
(2) The coil of the intermediate relay I is electrified, the normally open contact of the intermediate relay I is attracted, and the charging pile system can be operated normally;
(3) When an abnormal state occurs, the emergency stop is pressed down, and the emergency stop starting point is subjected to state change;
(4) The coil of the intermediate relay II is electrified, the normally closed contact of the intermediate relay II changes in state, the two ends of the coil of the contactor are powered off, and the contactor is disconnected;
(5) After the discharging is abnormal, the emergency stop button is screwed out, the coil of the intermediate relay II is powered off, the state contact is changed into a normally closed point again, the control of the contactor is realized, the output port of the main control board is controlled, the coil is powered on, the contactor is attracted, and then the charging pile is powered on again, so that the subsequent charging work is carried out.
Compared with the prior art, the invention has the beneficial effects that: after the emergency stop is pressed, the operation and maintenance personnel are not required to be electrified on site, and the reset after the power failure can be carried out only by the client speaking the emergency stop to unscrew;
KA1 is a software control intermediate relay, KA2 is a scram hardware part control intermediate relay, scram is pressed down, KA2 acts, the contactor coil is not supplied with AC220V power, the contactor is disconnected, a control port of the main control board outputs a COM low level signal, KA1 acts, and the contactor is attracted. The simultaneous control of software and hardware on the front-end power supply is realized integrally.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 1. an emergency stop button; 2. an intermediate relay I; 3. an intermediate relay II; 4. a contactor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a self-reset control circuit after electric pile scram cuts off, includes scram button 1, intermediate relay 2, intermediate relay 3 and contactor 4, the positive pole of external power source is connected to the one end of scram button 1, and ground is connected behind the coil of intermediate relay 3 is connected to the other end of scram button 1, the positive pole of external power source is connected to the coil one end of intermediate relay 2, and the main control board control port of electric pile is filled in the other end connection, connect the coil one end of contactor 4 behind the normally open contact connection outside commercial power of intermediate relay 2, connect commercial power N line behind the normally closed contact of intermediate relay 3 is connected to the coil other end of contactor 4, and the main loop contact series connection of contactor 4 is in the main loop of electric pile.
The external power supply is a DC12V power supply, or the relay control voltage is replaced according to the external power supply condition.
The external mains supply is an AC220V power supply.
The application method of the self-resetting control circuit after the emergency stop and the cutting-off of the charging pile comprises the following steps:
(1) When the charging pile is in a normal state, the emergency stop is in a suspended state, and the main control board outputs a com low-level signal;
(2) The coil of the intermediate relay I2 is electrified, the normally open contact of the intermediate relay I2 is attracted, and the charging pile system can be operated normally;
(3) When an abnormal state occurs, the emergency stop is pressed down, and the emergency stop starting point is subjected to state change;
(4) The coil of the intermediate relay II 3 is electrified, the normally closed contact of the intermediate relay II 3 is in state change, the two ends of the coil of the contactor 4 are powered off, and the contactor 4 is disconnected;
(5) After the discharging is abnormal, the emergency stop button 1 is screwed out, the coil of the intermediate relay II 3 is powered off, the state contact is changed into a normally closed point again, the control of the contactor is realized, the output port of the main control board is controlled, the coil is powered on, the contactor is attracted, and then the charging pile is powered on again, so that the subsequent charging work is carried out.
According to the technical scheme, when the charging pile is in a normal state, the scram is in a suspended state, the main control board outputs a com low-level signal, the KA1 intermediate relay coil is electrified, the normally open contact is attracted, and the charging pile system can perform normal operation; when an abnormal state occurs, the emergency stop is pressed down, the emergency stop opening point generates state change, the relay coil in the KA2 is powered on, the normally closed contact of the KA2 generates state change, the two ends of the coil of the contactor 4 are powered off, and the contactor 4 is disconnected; at this time, the software loses control over the contactor 4, and if the contactor is suddenly stopped and is not normally unscrewed, the charging pile cannot be normally started no matter what the port state of the main control board is; at the moment, only the user needs to unscrew the emergency stop button 1, the KA2 coil is powered off, the state contact is changed into a normally closed point again, the software is started, the KA1 is sucked, the charging pile is powered on, and subsequent charging work can be carried out.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The use method of the self-resetting control circuit after the emergency stop and the disconnection of the charging pile is characterized in that the self-resetting control circuit after the emergency stop and the disconnection of the charging pile comprises an emergency stop button, a first intermediate relay, a second intermediate relay and a contactor, one end of the emergency stop button is connected with the positive pole of an external power supply, the other end of the emergency stop button is connected with the coil of the second intermediate relay and then grounded, one end of the coil of the first intermediate relay is connected with the positive pole of the external power supply, the other end of the coil of the first intermediate relay is connected with a control port of a main control board of the charging pile, a normally open contact of the first intermediate relay is connected with one end of the coil of the contactor after being connected with external commercial power, the other end of the coil of the contactor is connected with a normally closed contact of the second intermediate relay and then connected with a commercial power N line, and a main loop contact of the contactor is connected in series in a main loop of the charging pile, and the use method comprises the steps of:
(1) When the charging pile is in a normal state, the emergency stop button is in a suspended state, and the main control board outputs a com low level signal;
(2) The coil of the intermediate relay I is electrified, the normally open contact of the intermediate relay I is attracted, and the charging pile system can be operated normally;
(3) When an abnormal state occurs, the scram button is pressed, and the starting point of the scram button is changed in state;
(4) The coil of the intermediate relay II is electrified, the normally closed contact of the intermediate relay II changes in state, the two ends of the coil of the contactor are powered off, and the contactor is disconnected;
(5) After the discharging is abnormal, the emergency stop button is screwed out, the coil of the intermediate relay II is powered off, the state contact is changed into a normally closed point again, the control of the contactor is realized, the output port of the main control board is controlled, the coil of the intermediate relay I is powered on, the contactor is attracted, and then the charging pile is powered on, so that the subsequent charging work is performed.
2. The method for using the self-resetting control circuit after the emergency stop and the disconnection of the charging pile according to claim 1, wherein the method comprises the following steps: the external power supply is a DC12V power supply.
3. The method for using the self-resetting control circuit after the emergency stop and the disconnection of the charging pile according to claim 1, wherein the method comprises the following steps: the external mains supply is an AC220V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615321.7A CN111376765B (en) | 2018-12-27 | 2018-12-27 | Self-resetting control circuit for charging pile after emergency stop and cut-off and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615321.7A CN111376765B (en) | 2018-12-27 | 2018-12-27 | Self-resetting control circuit for charging pile after emergency stop and cut-off and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111376765A CN111376765A (en) | 2020-07-07 |
| CN111376765B true CN111376765B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811615321.7A Active CN111376765B (en) | 2018-12-27 | 2018-12-27 | Self-resetting control circuit for charging pile after emergency stop and cut-off and use method thereof |
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| CN (1) | CN111376765B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204520A (en) * | 2022-01-10 | 2022-03-18 | 绿能慧充数字技术有限公司 | Charging pile safety protection control device, method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128000A (en) * | 1990-09-20 | 1992-04-28 | Orii:Kk | Emergency stop output controller for transfer line for press working |
| CN204145041U (en) * | 2014-11-12 | 2015-02-04 | 四川华神新能源设备有限公司 | The pile body device of Intelligent charging spot |
| CN206075116U (en) * | 2016-08-29 | 2017-04-05 | 湖南晓光汽车模具有限公司 | Lathe jerk control circuit and lathe |
| CN106683945A (en) * | 2017-01-04 | 2017-05-17 | 沈阳东软医疗系统有限公司 | Emergency stop control system and control method therefor |
| CN206431476U (en) * | 2017-01-23 | 2017-08-22 | 北京佰能电气技术有限公司 | A kind of exigency stop system of slab burn off line |
| CN206493857U (en) * | 2017-02-28 | 2017-09-15 | 深圳市快充王科技有限公司 | A kind of alternating-current charging pile based on Homeplug |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6882155B2 (en) * | 2001-04-19 | 2005-04-19 | Vince J Lazzaro | Remotely actuated, circuit testing emergency stop apparatus and method |
-
2018
- 2018-12-27 CN CN201811615321.7A patent/CN111376765B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128000A (en) * | 1990-09-20 | 1992-04-28 | Orii:Kk | Emergency stop output controller for transfer line for press working |
| CN204145041U (en) * | 2014-11-12 | 2015-02-04 | 四川华神新能源设备有限公司 | The pile body device of Intelligent charging spot |
| CN206075116U (en) * | 2016-08-29 | 2017-04-05 | 湖南晓光汽车模具有限公司 | Lathe jerk control circuit and lathe |
| CN106683945A (en) * | 2017-01-04 | 2017-05-17 | 沈阳东软医疗系统有限公司 | Emergency stop control system and control method therefor |
| CN206431476U (en) * | 2017-01-23 | 2017-08-22 | 北京佰能电气技术有限公司 | A kind of exigency stop system of slab burn off line |
| CN206493857U (en) * | 2017-02-28 | 2017-09-15 | 深圳市快充王科技有限公司 | A kind of alternating-current charging pile based on Homeplug |
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| CN111376765A (en) | 2020-07-07 |
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Address after: 213000 room 149, 18 Xinya Road, Wujin national hi tech Industrial Development Zone, Changzhou, Jiangsu Applicant after: Wanbang Digital Energy Co.,Ltd. Address before: 213000 room 149, 18 Xinya Road, Wujin national hi tech Industrial Development Zone, Changzhou, Jiangsu Applicant before: JIANGSU WANBANGDEHE NEW ENERGY TECHNOLOGY Co.,Ltd. |
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