CN111376782B - High-temperature-resistant and fireproof protection circuit for charging pile - Google Patents
High-temperature-resistant and fireproof protection circuit for charging pile Download PDFInfo
- Publication number
- CN111376782B CN111376782B CN201811615326.XA CN201811615326A CN111376782B CN 111376782 B CN111376782 B CN 111376782B CN 201811615326 A CN201811615326 A CN 201811615326A CN 111376782 B CN111376782 B CN 111376782B
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- Prior art keywords
- temperature
- temperature controller
- charging pile
- resistant
- power supply
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
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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
-
- 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of charging piles, in particular to a high-temperature-resistant and fireproof protection circuit of a charging pile, which comprises a molded case circuit breaker, a first temperature controller, a second temperature controller and an automatic fire extinguishing device, wherein the molded case circuit breaker is connected in series with the input end of the charging pile and used for carrying out wire inlet switch control on the charging pile, a shunt tripping coil of the molded case circuit breaker is connected with a loop power supply and then is connected in series with a normally open contact I of the first temperature controller, the normally open contact II of the first temperature controller is connected with an external power supply and then is electrically connected with a main controller of the charging pile, an electric control end of the automatic fire extinguishing device is connected with the external power supply, and a normally open contact I of the first temperature controller and a normally open contact II of the second temperature controller are sequentially connected with the external power supply and then are electrically connected with the main controller of the charging pile.
Description
Technical Field
The invention relates to the technical field of charging piles, in particular to a high-temperature-resistant and fireproof protection circuit for a charging pile.
Background
Most of the prior charging piles are provided with smoke alarms aiming at fireproof measures, and smoke monitoring is carried out so as to realize manual field treatment;
defects and deficiencies of the prior art:
1. the smoke alarm can only detect smoke, and the electrical loop is cut off in time when the fire disaster does not occur, for example, the device is short-circuited or stuck or the high temperature phenomenon occurs in the pile, and the fire disaster can not occur any more;
2. emergency measures cannot be timely made before the person arrives at the site;
3. can not extinguish fire in time.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant and fireproof protection circuit for a charging pile, which is used for solving the problem that the charging pile in the prior art cannot be timely processed due to ignition.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fill electric pile and prevent high temperature and fire protection circuit, includes moulded case circuit breaker, temperature controller I, temperature controller II and automatic fire extinguishing device, moulded case circuit breaker establishes ties in the input of filling electric pile for carry out inlet wire on-off control to filling electric pile, behind the shunt tripping coil connection loop power supply of moulded case circuit breaker with temperature controller I normally open contact one establish ties, temperature controller I normally open contact connect external power source after with fill electric pile's master controller electric connection, automatic fire extinguishing device's automatically controlled end is connected external power source, and establish ties in proper order between automatic fire extinguishing device's the automatically controlled end and the external power source normally open contact of temperature controller I and temperature controller II normally open contact one, behind the external power source is connected to temperature controller II normally open contact with fill electric pile's master controller electric connection.
Preferably, the first temperature controller and the second temperature controller are metal heat-sensitive temperature control devices.
Preferably, the automatic fire extinguishing device is an ultrafine dry powder automatic fire extinguishing device.
Preferably, the loop power supply is an AC220V loop power supply.
Preferably, the external power source is a DC12V power source.
Preferably, the set temperature of the first temperature controller is 100 ℃, and when the temperature reaches 100 ℃, the three-way normally-open contact of the first temperature controller is changed into a three-way normally-closed loop.
Preferably, the set temperature of the second temperature controller is 200 ℃, and when the temperature is more than or equal to 200 ℃, the two normally open contacts of the second temperature controller are closed.
Preferably, the normally open contact of the second temperature controller is an automatic reset normally open contact, the self-reset temperature is set to be 80 ℃, and when the temperature is less than 80 ℃, the two closed loops of the second temperature controller are changed into normally open loops.
Compared with the prior art, the invention has the beneficial effects that: 1. the temperature controller is used as a control switch for preventing high temperature and fire, and the price is cheaper than that of an electronic temperature sensor on the market.
2. Three states of the charging pile can be obtained and controlled in time. State 1: the inside of the charging pile generates high temperature, and part of devices are adhered or short-circuited; state 2: fire disaster occurs in the charging pile; state 3: the internal fire of the charging pile is controlled and extinguished.
3. The charging pile rear end platform can remotely monitor the state of the charging pile, and can timely allocate human resources according to the state information fed back by the charging pile, thereby reducing benefit loss and reducing the sending of safety accidents.
Drawings
Fig. 1 is a schematic diagram of a power supply of the present invention.
In the figure: 1. a molded case circuit breaker; 2. a temperature controller I; 3. a second temperature controller; 4. an automatic fire extinguishing device.
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 fill electric pile and prevent high temperature and fire protection circuit, includes moulded case circuit breaker 1, temperature controller one 2, temperature controller two 3 and automatic fire extinguishing device 4, moulded case circuit breaker establishes ties at the input of filling electric pile for carry out inlet wire on-off control to filling electric pile, control fill electric pile alternating current input return circuit AC 380V's break-make, behind moulded case circuit breaker 1 shunt tripping coil connection return circuit power with temperature controller one 2 normally open contact one establish ties, temperature controller one 2 normally open contact behind the connection external power source with fill electric pile's master controller electric connection, external power source is connected to automatic fire extinguishing device 4's automatically controlled end, and establish ties in proper order between automatic fire extinguishing device 4's the automatically controlled end and the external power source normally open contact one of temperature controller one 2 and temperature controller two 3, behind the normally open contact two of temperature controller 3 with fill electric pile's master controller electric connection.
The first temperature controller 2 and the second temperature controller 3 are metal heat-sensitive temperature controller devices.
The automatic fire extinguishing device 4 is an ultrafine dry powder automatic fire extinguishing device 4.
The loop power supply is an AC220V loop power supply.
The external power supply is a DC12V power supply.
The set temperature of the first temperature controller 2 is 100 ℃, and when the temperature reaches 100 ℃, the three-way normally-open contact of the first temperature controller 2 is changed into a three-way normally-closed loop.
The set temperature of the second temperature controller 3 is 200 ℃, and when the temperature is more than or equal to 200 ℃, the two normally open contacts of the second temperature controller 3 are closed.
The normally open contact of the temperature controller II 3 is an automatic reset normally open contact, the self-reset temperature is set to be 80 ℃, and when the temperature is less than 80 ℃, the two closed loops of the temperature controller II 3 are changed into normally open loops.
Through the technical scheme, the first temperature controller 2 is a temperature controller device utilizing the heat-sensitive property of metal, the first temperature controller 2 is provided with three normally open points, the temperature is set to be 100 ℃ for manual reset, when the temperature does not reach 100 ℃, the three normally open points are still normally open loops, and when the temperature reaches 100 ℃, the three normally open points are changed into three normally closed loops.
And the first circuit of the temperature controller is closed, the shunt tripping coil of the plastic shell is electrified and closed, the plastic shell is disconnected, and the main circuit of the charging pile is powered off.
The loop of the feedback signal of the temperature controller I2 of the main control board is closed, the main control board receives the signal feedback, and the platform knows that the internal temperature of the pile exceeds 100 ℃.
The temperature controller is closed by a loop I and a loop II, and the fire extinguishing loop is closed by a place.
The second temperature controller 3 and the superfine dry powder automatic fire extinguishing device 4 (electric control) are connected in series into a fire extinguishing loop, the second temperature controller 3 is provided with a second normally open point, the operation temperature of the temperature controller is set to be 200 ℃ for automatic reset, the self-reset temperature is 80 ℃, and when the temperature is more than or equal to 200 ℃, the second normally open loop of the temperature controller 3 is closed.
The circuit I of the temperature controller II is closed, the electric control circuit of the superfine dry powder automatic fire extinguishing device 4 is closed, and the superfine dry powder automatic fire extinguishing device 4 is started to perform fire extinguishing actions.
The second loop of the temperature controller II 3 is closed, the loop of the feedback signal of the temperature controller II of the main control board is closed, the main control board receives the signal feedback, the platform knows that the internal temperature of the pile exceeds 200 ℃, and the fire disaster can be basically judged.
Because the second temperature controller 3 is automatically reset, when the temperature is less than 80 ℃, the second loop of the temperature controller 2 is changed into a normally open loop.
The first loop of the second temperature controller 3 is disconnected, the loop of the feedback signal of the second temperature controller 3 of the main control board is disconnected, the main control board cannot receive signal feedback, and at the moment, when the feedback signal of the second temperature controller 3 is changed from receiving to disconnection, the platform can judge that fire occurs, but because the fire extinguishing device 4 is started, the fire is extinguished.
The second circuit of the temperature controller 3 is disconnected, the electric control circuit of the superfine dry powder automatic fire extinguishing device 4 is disconnected, and the fire extinguishing action is stopped (waste is reduced).
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 (5)
1. High temperature and fire protection circuit are prevented to electric pile, its characterized in that: the device comprises a molded case circuit breaker, a first temperature controller, a second temperature controller and an automatic fire extinguishing device, wherein the molded case circuit breaker is connected in series with the input end of a charging pile and is used for carrying out wire inlet switch control on the charging pile; the temperature of the first temperature controller is 100 ℃, when the temperature reaches 100 ℃, the three-way normally-closed contact of the first temperature controller is changed into the three-way normally-closed loop, the set temperature of the second temperature controller is 200 ℃, when the temperature is more than or equal to 200 ℃, the two-way normally-open contact of the second temperature controller is closed, the normally-open contact of the second temperature controller is an automatic reset normally-open contact, the set self-reset temperature is 80 ℃, and when the temperature is less than 80 ℃, the two-way normally-closed loop of the second temperature controller is changed into the normally-open loop.
2. The charging pile high-temperature-resistant and fire-resistant protection circuit according to claim 1, wherein: the first temperature controller and the second temperature controller are metal heat-sensitive temperature controller devices.
3. The charging pile high-temperature-resistant and fire-resistant protection circuit according to claim 1, wherein: the automatic fire extinguishing device is an ultrafine dry powder automatic fire extinguishing device.
4. The charging pile high-temperature-resistant and fire-resistant protection circuit according to claim 1, wherein: the loop power supply is an AC220V loop power supply.
5. The charging pile high-temperature-resistant and fire-resistant protection circuit according to claim 1, wherein: the external power supply is a DC12V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615326.XA CN111376782B (en) | 2018-12-27 | 2018-12-27 | High-temperature-resistant and fireproof protection circuit for charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615326.XA CN111376782B (en) | 2018-12-27 | 2018-12-27 | High-temperature-resistant and fireproof protection circuit for charging pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111376782A CN111376782A (en) | 2020-07-07 |
| CN111376782B true CN111376782B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811615326.XA Active CN111376782B (en) | 2018-12-27 | 2018-12-27 | High-temperature-resistant and fireproof protection circuit for charging pile |
Country Status (1)
| Country | Link |
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| CN (1) | CN111376782B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363413Y (en) * | 1998-05-03 | 2000-02-09 | 刘欣传 | Fire cutting off electricity protector |
| CN202909344U (en) * | 2012-10-24 | 2013-05-01 | 安徽江淮汽车股份有限公司 | Passenger car self-combustion prevention device |
| CN103861222A (en) * | 2014-02-24 | 2014-06-18 | 钟海平 | Mixed early-warning cabinet fire extinguishing device and early-warning method thereof |
| CN104632672A (en) * | 2013-11-13 | 2015-05-20 | 武汉联动设计股份有限公司 | Fire-fighting linkage draught fan power distribution box provided with shunt release and used for substation |
| CN205195238U (en) * | 2015-11-16 | 2016-04-27 | 江西省烟草公司抚州市公司 | Electric fork -lift automatic cutout that charges |
| CN205549283U (en) * | 2016-04-13 | 2016-09-07 | 袁其彬 | Electric motor car automatic fire extinguishing device |
| CN106693260A (en) * | 2016-11-29 | 2017-05-24 | 青岛特来电新能源有限公司 | Charger ignition detecting and fire extinguishing system and method |
| CN108695972A (en) * | 2018-06-29 | 2018-10-23 | 蔚来汽车有限公司 | Electrical changing station controls switching circuit, system, method and the controller and medium of power supply |
-
2018
- 2018-12-27 CN CN201811615326.XA patent/CN111376782B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363413Y (en) * | 1998-05-03 | 2000-02-09 | 刘欣传 | Fire cutting off electricity protector |
| CN202909344U (en) * | 2012-10-24 | 2013-05-01 | 安徽江淮汽车股份有限公司 | Passenger car self-combustion prevention device |
| CN104632672A (en) * | 2013-11-13 | 2015-05-20 | 武汉联动设计股份有限公司 | Fire-fighting linkage draught fan power distribution box provided with shunt release and used for substation |
| CN103861222A (en) * | 2014-02-24 | 2014-06-18 | 钟海平 | Mixed early-warning cabinet fire extinguishing device and early-warning method thereof |
| CN205195238U (en) * | 2015-11-16 | 2016-04-27 | 江西省烟草公司抚州市公司 | Electric fork -lift automatic cutout that charges |
| CN205549283U (en) * | 2016-04-13 | 2016-09-07 | 袁其彬 | Electric motor car automatic fire extinguishing device |
| CN106693260A (en) * | 2016-11-29 | 2017-05-24 | 青岛特来电新能源有限公司 | Charger ignition detecting and fire extinguishing system and method |
| CN108695972A (en) * | 2018-06-29 | 2018-10-23 | 蔚来汽车有限公司 | Electrical changing station controls switching circuit, system, method and the controller and medium of power supply |
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| Publication number | Publication date |
|---|---|
| CN111376782A (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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