CN110774906A - Electric vehicle charger with good safety performance - Google Patents
Electric vehicle charger with good safety performance Download PDFInfo
- Publication number
- CN110774906A CN110774906A CN201911059799.0A CN201911059799A CN110774906A CN 110774906 A CN110774906 A CN 110774906A CN 201911059799 A CN201911059799 A CN 201911059799A CN 110774906 A CN110774906 A CN 110774906A
- Authority
- CN
- China
- Prior art keywords
- charger
- over switch
- processor
- electronic change
- electric vehicle
- 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.)
- Withdrawn
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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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
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
An electric vehicle charger with good safety performance comprises a charger A, a charger B, an electronic change-over switch, a processor and a temperature detection module; the input end of the electronic change-over switch is connected with a plug through a cable, two output ends of the electronic change-over switch are respectively connected with the input ends of the charger A and the charger B, and the output ends of the charger A and the charger B are respectively connected with the input end of the vehicle-mounted storage battery through cables; the temperature detection module is arranged on the vehicle-mounted storage battery pack in a fitting mode, a signal wire of the temperature detection module is connected with the input end of the processor, and the output end of the processor is connected with the control end of the electronic change-over switch. The charger can control the rise of the temperature of the charger, and can effectively improve the safety and reliability of the charging process.
Description
Technical Field
The invention relates to the technical field of chargers, in particular to an electric vehicle charger with good safety performance.
Background
The electric vehicle becomes an indispensable vehicle in daily life of people, and has clean energy, no public nuisance and no pollution. In the in-service use process, the condition of charging for a long time often can appear, and under the operating mode of charging for a long time, charger temperature can rise by a wide margin, and then causes the condition that the charger explodes easily. In the prior art, no effective solution for the situation exists.
Disclosure of Invention
In view of the problems in the prior art, the invention provides an electric vehicle charger with good safety performance, which can control the temperature rise of the charger and effectively improve the safety and reliability of the charging process.
In order to achieve the purpose, the invention provides an electric vehicle charger with good safety performance, which comprises a charger A, a charger B, an electronic change-over switch, a processor and temperature detection modules A and B, wherein the charger A is connected with the charger B through a temperature detection module;
the input end of the electronic change-over switch is connected with a plug through a cable, two output ends of the electronic change-over switch are respectively connected with the input ends of the charger A and the charger B, and the output ends of the charger A and the charger B are respectively connected with the input end of the vehicle-mounted storage battery through cables;
the temperature detection modules A and B are respectively arranged on the charger A and the charger B in a fitting mode, signal lines of the temperature detection modules A and B are connected with the input end of the processor, and the output end of the processor is connected with the control end of the electronic change-over switch.
Preferably, the processor is of the model STM32F103CBT 6.
Preferably, the plug is a two-phase plug or a three-phase plug.
According to the invention, the temperature of the surface of the charger is detected by the temperature detection module, the temperature of the charger can be fed back to the processor in time, the processor can control the electronic change-over switch to connect the plug and the charger B when the temperature of the charger A is higher than a set value according to the setting, and can control the electronic change-over switch to connect the plug and the charger A when the temperature of the charger B is higher than the set value, so that the charging temperature of the charger can be controlled, and the condition of high-temperature explosion can not occur. The charger can control the rise of the temperature of the charger, and can effectively improve the safety and reliability of the charging process.
Drawings
Fig. 1 is a schematic block diagram of the circuit of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, an electric vehicle charger with good safety performance comprises a charger a, a charger B, an electronic change-over switch, a processor, and temperature detection modules a and B;
the input end of the electronic change-over switch is connected with a plug through a cable, two output ends of the electronic change-over switch are respectively connected with the input ends of the charger A and the charger B, and the output ends of the charger A and the charger B are respectively connected with the input end of the vehicle-mounted storage battery through cables;
the temperature detection modules A and B are respectively arranged on the charger A and the charger B in a fitting mode, signal lines of the temperature detection modules A and B are connected with the input end of the processor, and the output end of the processor is connected with the control end of the electronic change-over switch.
Preferably, the processor is of the model STM32F103CBT 6.
Preferably, the plug is a two-phase plug or a three-phase plug.
The temperature detection module is used for detecting the temperature of the surface of the charger and feeding back the temperature of the charger to the processor in time, the processor can control the electronic change-over switch to connect the plug and the charger B when the temperature of the charger A is higher than a set value according to setting, and can control the electronic change-over switch to connect the plug and the charger A when the temperature of the charger B is higher than the set value, so that the charging temperature of the charger can be controlled, and the condition of high-temperature explosion cannot occur. The charger can control the rise of the temperature of the charger, and can effectively improve the safety and reliability of the charging process.
Claims (3)
1. An electric vehicle charger with good safety performance comprises a charger A and a charger B, and is characterized by further comprising an electronic change-over switch, a processor and temperature detection modules A and B;
the input end of the electronic change-over switch is connected with a plug through a cable, two output ends of the electronic change-over switch are respectively connected with the input ends of the charger A and the charger B, and the output ends of the charger A and the charger B are respectively connected with the input end of the vehicle-mounted storage battery through cables;
the temperature detection modules A and B are respectively arranged on the charger A and the charger B in a fitting mode, signal lines of the temperature detection modules A and B are connected with the input end of the processor, and the output end of the processor is connected with the control end of the electronic change-over switch.
2. A safe electric vehicle charger as defined in claim 1, wherein the processor is of the type STM32F103CBT 6.
3. An electric vehicle charger as claimed in claim 1 or 2, wherein the plug is a two-phase plug or a three-phase plug.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911059799.0A CN110774906A (en) | 2019-11-01 | 2019-11-01 | Electric vehicle charger with good safety performance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911059799.0A CN110774906A (en) | 2019-11-01 | 2019-11-01 | Electric vehicle charger with good safety performance |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110774906A true CN110774906A (en) | 2020-02-11 |
Family
ID=69388435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911059799.0A Withdrawn CN110774906A (en) | 2019-11-01 | 2019-11-01 | Electric vehicle charger with good safety performance |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110774906A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111896884A (en) * | 2020-07-31 | 2020-11-06 | 北京小米移动软件有限公司 | Charging detection method and device |
-
2019
- 2019-11-01 CN CN201911059799.0A patent/CN110774906A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111896884A (en) * | 2020-07-31 | 2020-11-06 | 北京小米移动软件有限公司 | Charging detection method and device |
CN111896884B (en) * | 2020-07-31 | 2023-11-14 | 北京小米移动软件有限公司 | Charging detection method and device |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200211 |
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WW01 | Invention patent application withdrawn after publication |