CN211032237U - Automatic power-off protection device for electric vehicle charging - Google Patents
Automatic power-off protection device for electric vehicle charging Download PDFInfo
- Publication number
- CN211032237U CN211032237U CN201922108099.8U CN201922108099U CN211032237U CN 211032237 U CN211032237 U CN 211032237U CN 201922108099 U CN201922108099 U CN 201922108099U CN 211032237 U CN211032237 U CN 211032237U
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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 utility model provides an electric motor car automatic power-off protection device that charges belongs to the safety field that charges, and it includes: charging wire socket, charged state detection module, microcomputer control module, outage execution module, charging plug. Protection device sets up in the junction of charging power cord and electric motor car, and the theory of operation is an opto-coupler relay of establishing ties on the route of charging, provides the charged state information and by the control of microcomputer control module by charged state detection module, detect to charge when full by microcomputer control module sends the order of disconnection route to outage execution module, breaks off the route of charging promptly.
Description
Technical Field
The utility model belongs to the technical field of the safety of charging, specifically, relate to an electric motor car automatic power-off protection device that charges.
Background
At present, the old-fashioned electric bicycle charging power adapter has an automatic cut-off function after being fully charged, and if the adapter forgets to cut off the power after being fully charged, continuous charging has potential safety hazards. The power-off protection device also exists in the prior art, but the connection between the charger and the socket is generally disconnected, but because the voltage at the connection position of the charger and the socket is 220V alternating current and is not transformed by the charger, the voltage and the current are not stable, the voltage fluctuation is large, and the large potential safety hazard still exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies in the prior art, the utility model aims to provide an electric vehicle charging automatic power-off protection device, protection device places in the junction of charging power cord and electric motor car, and voltage and electric current are less, and is relatively safe, and through the charger vary voltage, and voltage and electric current are steady relatively, need not the undulant problem of worry voltage.
In order to achieve the above object, the utility model discloses a concrete scheme does:
an automatic power-off protection device for electric vehicle charging is connected in series between a charging power line and an electric vehicle charging socket; the protection device includes: the charging system comprises a charging line socket, a charging state detection module, a microcomputer control module, a power failure execution module and a charging plug;
the charging wire socket is a charging power supply input end, is connected with the power-off execution module and the charging power line plug in series, and is connected with the microcomputer control module in parallel;
the charging plug is matched with a charging socket of the electric vehicle and is a power output end;
the microcomputer control module is connected with the charging wire socket in parallel and used for obtaining a power supply required by work; the charging state detection module is connected with the charging state detection module to obtain charging state information; the power-off execution module is connected with the power-off execution module to realize the control of the power-off execution module;
the charging state detection module is used for detecting the charging state of the electric bicycle charging adapter and feeding detected charging detection information back to the microcomputer control module;
the power-off execution module is connected between the charging wire socket and the charging plug in series, controls the on-off of the charging route, and cuts off the charging route when receiving a power-off execution signal sent by the microcomputer control module, so that the charging work of the electric vehicle by the charger is stopped.
As a further optimization of the above solution, the microcomputer control module comprises: the system comprises a power supply adaptation module, a microcomputer control chip, a detection information input interface, an execution signal output interface and a working state indicator lamp; the power supply adaptation module is used for converting an alternating current power supply into a direct current power supply for self work and use; the microcomputer control chip is used for processing data information and issuing an execution command; the detection information input interface is used for accessing detection information of the charging state detection module; the execution signal output interface is used for outputting execution information of the power-off execution module; the working state indicator light is used for displaying the working state of the protection device. And the microcomputer control module sends a power-off execution instruction to the power-off module when the charging state detection module detects that the charging state of the charger is full.
As a further optimization of the above solution, the charging state detection module includes: a photosensor; the photoelectric sensor is installed at a charging indicator lamp of the electric bicycle charging adapter, the photoelectric sensor is connected with a detection information input interface of the microcomputer control module through a data transmission wire, and the photoelectric sensor acquires information of a charging state according to the change of the charging indicator lamp by detecting the charging indicator lamp on the electric bicycle charging adapter.
As a further optimization of the above solution, the power-off execution module includes: a normally open optocoupler relay; the controlled end of the relay is a charging route, the control end is connected with the execution signal output interface of the microcomputer control module, when the charging state detection device detects that the charging is not full, the microcomputer control module sends a switch-on command to close the relay, and when the charging state detection device detects that the charging is full, the microcomputer control module sends a switch-on command to open the relay.
Has the advantages that:
protection device places the junction at charging wire and electric motor car, and here voltage and electric current are less, and are safer for the 220V alternating current that links to each other with the socket, because here voltage and electric current have carried out the vary voltage through the charger again, and electric current and voltage are comparatively steady, need not worry the undulant problem of voltage. The charging state detection module, the microcomputer control module and the power-off execution module used by the device have smaller voltage and current, so that the requirements on the voltage and the current which can be borne by each module are lower, and the manufacturing cost can be reduced. In addition, protection device can cut off the charging line after electric bicycle is full of the electricity, reduces the probability that the incident takes place, and is safer for other electric motor car protection device that charges.
Drawings
Fig. 1 is a schematic structural diagram of the present invention; wherein, the charging wire socket 1, the power-off execution module 2, the power supply adaptation module of the microcomputer control module 3, the microcomputer control module 4, the charging state detection module 5 and the charging plug 6 are connected with each other by a dotted line as a conducting wire;
FIG. 2 is a control flow diagram of the microcomputer control module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Following do the utility model provides a pair of can solve above technical problem's the electric bicycle automatic power-off device that charges's preferred embodiment.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
The utility model provides an automatic power-off device of electric bicycle charger's preferred embodiment does: an electric bicycle charger automatic power-off device is established ties between charging power cord and electric motor car for automatic cutout power when the electric motor car is full of electricity includes: the charging system comprises a charging wire socket 1, a charging state detection module 5, a microcomputer control module 4, a power failure execution module 2 and a charging plug 6;
the charging wire socket 1 is a charging power supply input end, is connected with the power-off execution module 2 and the charging power line plug (charger plug) in series, and is connected with the microcomputer control module 4 in parallel and provides power supply;
the charging plug 6 is matched with a charging socket of the electric vehicle, is a power supply output end and outputs power supply to the electric vehicle;
the microcomputer control module 4 is connected with the charging wire socket 1 in parallel and is used for obtaining a power supply required by work; and is connected with the charging detection module 5 to obtain the charging state information; and is connected with the power-off execution module 2 to realize the control of the power-off execution module.
The microcomputer control module comprises: the charger comprises a power supply adaptation module (used for converting an alternating current power supply into a direct current power supply for self work, a microcomputer control chip (used for processing data information and issuing an execution command), a detection information input interface (used for detecting information access of a charging state detection module), an execution signal output interface (used for executing information output of a power failure execution module) and a working state indicator lamp, wherein the charging state detection module is used for sending a power failure execution instruction to the power failure module when detecting that the working state of the charger is full.
The charging state detection module 5 includes: a photosensor; the photoelectric sensor is connected with a detection information input interface of the microcomputer control module through a data transmission wire, acquires the charging state of the charger by detecting a charging indicator lamp on the electric bicycle charging adapter, and feeds detected charging detection information back to the microcomputer control module;
and the power-off execution module 2 is connected between the charging wire socket 1 and the charging plug 6 in series and plays a role in controlling the on-off of a charging route. The method is realized by the following steps: the outage execution module includes a normally open opto-coupler relay, and the controlled end of relay is the route of charging, the control end with 4 execution signal delivery outlets of microcomputer control module are connected, during the use the state of charge detection module detects when charging not full, microcomputer control module sends the switch-on order and makes the relay closed, when being full of the electricity, the state of charge detection module detects when charging full, through microcomputer control module sends outage execution signal, and the disconnection of normally open opto-coupler relay, the route of charging are cut off promptly, make the work of charger and storage battery car stop.
The utility model discloses an opto-coupler relay of working principle series connection on the route of charging provides the state of charge information and by microcomputer control module control by state of charge detection module, detects to charge and breaks off the route of charging promptly when full.
When the protection device works, a plug of a charging point power line is connected with a charging wire socket 1, and a charging plug 6 is connected with a charging socket on the electric vehicle; a charging power supply is input through the charging wire socket 1, and a power supply is output to the electric vehicle through the charging plug 6; the charging state detection module firstly detects the charging state of the charging adapter, when the charging state is detected to be full through a charging indicator lamp on the charging adapter, detection information is fed back to the microcomputer control module, the protection device is started, and a working state indicator lamp on the microcomputer control module is turned on; the microcomputer control module immediately sends a power-off execution instruction to the power-off execution module, and the power-off execution module cuts off the charging route according to the received power-off execution instruction to realize power-off.
Claims (4)
1. The utility model provides an electric motor car automatic power-off protection device that charges which characterized in that: the protection device is connected between the charging power line and the charging socket of the electric vehicle in series; the protection device includes: the charging system comprises a charging line socket, a charging state detection module, a microcomputer control module, a power failure execution module and a charging plug;
the charging wire socket is a charging power supply input end, is connected with the power-off execution module and the charging power line plug in series, and is connected with the microcomputer control module in parallel;
the charging plug is matched with a charging socket of the electric vehicle and is a power output end;
the microcomputer control module is connected with the charging wire socket in parallel and used for obtaining a power supply required by work; the charging state detection module is connected with the charging state detection module to obtain charging state information; the power-off execution module is connected with the power-off execution module to realize the control of the power-off execution module;
the charging state detection module is used for detecting the charging state of the electric bicycle charging adapter and feeding detected charging detection information back to the microcomputer control module;
the power-off execution module is connected between the charging wire socket and the charging plug in series, controls the on-off of the charging route, and cuts off the charging route when receiving a power-off execution signal sent by the microcomputer control module, so that the charging work of the electric vehicle by the charger is stopped.
2. The automatic power-off protection device for electric vehicle charging according to claim 1, characterized in that: the microcomputer control module comprises: the system comprises a power supply adaptation module, a microcomputer control chip, a detection information input interface, an execution signal output interface and a working state indicator lamp; the power supply adaptation module is used for converting an alternating current power supply into a direct current power supply for self work and use; the microcomputer control chip is used for processing data information and issuing an execution command; the detection information input interface is used for accessing detection information of the charging state detection module; the execution signal output interface is used for outputting execution information of the power-off execution module; the working state indicator light is used for displaying the working state of the protection device.
3. The automatic power-off protection device for electric vehicle charging according to claim 1, characterized in that: the state of charge detection module includes: a photosensor; the photoelectric sensor is installed at a charging indicator lamp of the electric bicycle charging adapter, the photoelectric sensor is connected with a detection information input interface of the microcomputer control module through a data transmission wire, and the photoelectric sensor acquires information of a charging state according to the change of the charging indicator lamp by detecting the charging indicator lamp on the electric bicycle charging adapter.
4. The automatic power-off protection device for electric vehicle charging according to claim 1, characterized in that: the power-off execution module comprises: a normally open optocoupler relay; the controlled end of the relay is a charging route, the control end of the relay is connected with an execution signal output interface of the microcomputer control module, when the charging state detection device detects that charging is not full, the microcomputer control module sends a switch-on command to close the relay, and when the charging state detection device detects that charging is full, the microcomputer control module sends a switch-on command to open the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108099.8U CN211032237U (en) | 2019-11-29 | 2019-11-29 | Automatic power-off protection device for electric vehicle charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108099.8U CN211032237U (en) | 2019-11-29 | 2019-11-29 | Automatic power-off protection device for electric vehicle charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211032237U true CN211032237U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922108099.8U Expired - Fee Related CN211032237U (en) | 2019-11-29 | 2019-11-29 | Automatic power-off protection device for electric vehicle charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211032237U (en) |
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2019
- 2019-11-29 CN CN201922108099.8U patent/CN211032237U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20201129 |