CN209022773U - A kind of charging gun and charging unit of electric car - Google Patents
A kind of charging gun and charging unit of electric car Download PDFInfo
- Publication number
- CN209022773U CN209022773U CN201821762808.3U CN201821762808U CN209022773U CN 209022773 U CN209022773 U CN 209022773U CN 201821762808 U CN201821762808 U CN 201821762808U CN 209022773 U CN209022773 U CN 209022773U
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- charging
- circuit
- charging gun
- pipette tips
- gun
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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
-
- 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
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of charging guns of electric car, the charging gun connects alternating current input cable, including gun body and charging pipette tips, the charging gun further include: charging monitoring circuit, integrated circuit card reader and display module, the integrated circuit card reader connect the charging monitoring circuit with the display module；Wherein, the charging monitoring circuit is used to monitor the connection status of electric car and the charging gun and carries out charge control, including controller, current detection circuit, voltage detecting circuit, the controller connects the current detection circuit and the voltage detecting circuit, the controller is also connected with integrated circuit card reader and charging pipette tips connection signal, and the connection status of electric car and the charging gun is monitored by the charging pipette tips connection signal；AC-input voltage and input current can be also detected respectively by voltage detecting circuit and current detection circuit, calculates input power, carry out charge capacity statistics and charging.
Description
Technical field
The utility model relates to electric vehicle engineering field, in particular to a kind of charging gun of electric car and charging dress
It sets.
Background technique
As the improvement of people's living standards, and advocate at present environmental protection, energy conservation, the green ecological earth trend, electricity
Electrical automobile is under the support energetically of country, and development is increasingly grown, and application is more and more extensive.Meanwhile it is related to new-energy automobile
Charging equipment be also increasingly taken seriously.
Currently, charging pile is most widely used charging equipment of electric automobile.It is functionally similar to adding inside gas station
Oil machine can be fixed on ground or wall, be installed on public building (such as public building, market, Public Parking etc.) and occupy
In people's community parking field or charging station, it can be charged according to the electric car that different voltage class is various models.
Charging pile is generally divided into two parts of pile body and charging gun, and pile body has the functions such as monitoring, charging and distribution, stake
Body is electrically connected by charging gun and electric car, is embodied as the purpose of electric car charging.
But since the functions such as current monitoring, charging and distribution all concentrate on pile body, lead to the use of charging gun not
It is enough convenient flexible.
Utility model content
The purpose of this utility model is to solve the above problems, providing a kind of electric car for integrating monitoring, charging
Charging gun can greatly simplify the electrical structure of traditional charging pile, so that charging process is more convenient flexibly.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of charging gun of electric car, the charging gun connect alternating current input cable, including gun body and charging pipette tips, institute
State charging gun further include:
Charging monitoring circuit, integrated circuit card reader and display module, the integrated circuit card reader and described aobvious
Show that mould group connects the charging monitoring circuit；
Wherein, the charging monitoring circuit is used to monitor the connection status of electric car Yu the charging gun, including control
Device, current detection circuit, voltage detecting circuit, the controller connect the current detection circuit and voltage detecting electricity
Road, the controller are also connected with integrated circuit card reader and charging pipette tips connection signal, are connected and believed by the charging pipette tips
Number monitoring electric car and the charging gun connection status；It can also be examined respectively by voltage detecting circuit and current detection circuit
AC-input voltage and input current are surveyed, input power is calculated, carries out charge capacity statistics and charging.
Further, the charging monitoring circuit further includes charge control relay, and the charge control relay is located at
Between the input cable and the charging pipette tips, the controller is connected, the connection signal issued according to the controller is real
Electrical connection between the existing input cable and the charging pipette tips.
Further, the voltage detecting circuit includes that input voltage measurement sub-circuit and output voltage detect sub-circuit,
The input voltage measurement sub-circuit is between the input cable and the charge control relay, the output voltage inspection
Sub-circuit is surveyed between the charge control relay and the charging pipette tips.
Further, the charging monitoring circuit further includes leakage current detection circuit, the leakage current detection circuit connection
The input cable and the input voltage measurement sub-circuit, are also connected with the controller.
Further, the charging monitoring circuit further includes current detection circuit, described in the current detection circuit connection
Input voltage measurement sub-circuit and the charge control relay, are also connected with the controller.
Further, the leakage current detection circuit notifies the control when detecting that discharge current is more than preset threshold
Device processed disconnects the charge control relay by the controller, carries out residual current protection.
Further, the charging monitoring circuit further includes radio communication circuit, the radio communication circuit connection control
Device, for realizing the communication of the charging gun and mobile radio terminal.
Further, the charging gun includes that integrally formed incoming line, display window, anti-water chamber and charging pipette tips connect
Mouthful, the incoming line of the charging gun connects input cable, and the display window and the display module cooperate, the anti-water chamber
Inside it is provided with charging monitoring circuit and integrated circuit card card reader.
Further, charging pipette tips are installed in the charging pipette tips interface, are equipped with lock, position above the charging pipette tips
It is equipped with switch trigger in the handle of the gun body, the switch trigger is connected simultaneously by the switch block being set in the handle
Control the lock.
The utility model has the beneficial effects that compared with prior art, the utility model proposes integral type it is electronic
The charging gun of automobile, the input cable of charging gun connection mains circuit, including gun body and charging pipette tips, the charging gun is also
It include: charging monitoring circuit, integrated circuit card reader and display module, the integrated circuit card reader and the display mould
Group connects the charging monitoring circuit.The charging monitoring circuit is used to monitor the connection status of electric car Yu the charging gun
And charge parameter, including controller, current detection circuit, voltage detecting circuit, it is electric that the controller connects the current detecting
Road and the voltage detecting circuit, the controller are also connected with integrated circuit card reader and charging pipette tips connection signal, pass through
The connection status of charging pipette tips connection signal the monitoring electric car and the charging gun；Can also by voltage detecting circuit and
Current detection circuit detects AC-input voltage and input current respectively, calculates input power, carries out charge capacity statistics and meter
Take.So as to greatly simplify the electrical structure of traditional charging pile, so that charging process is more convenient flexibly.
Further, the utility model additionally provides a kind of charging unit, which includes for fixing charging gun
Pile body and above-mentioned charging gun.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the structural schematic diagram of the charging gun of electric car provided by the utility model；
Fig. 2 is the electrical block diagram of charging control unit provided by the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
The utility model embodiment provides a kind of electric car charging gun for integrating monitoring, charging, can be maximum
The pile body structure for simplifying to limit charging unit, facilitates charging operations, charging unit is enabled to be suitble to more application scenarios, and
Reduce use, the maintenance cost of charging unit.
As shown in Figure 1, the charging gun of the integrated electric car provided by the embodiment of the utility model include gun body 1,
Charge the functions such as pipette tips 2, the lock 3 for being set to pipette tips, charging monitoring circuit 4, display module 5 and integrated circuit card card reader 6
Unit.Wherein, the gun body 1 includes integrally formed incoming line 7, handle 8, display window 9, anti-water chamber 10 and charging pipette tips
Interface.The input cable 11 of the incoming line connection mains circuit of the gun body, display window 9 are equipped with display module 5, anti-water cavity
Body 10 is equipped with the components such as charging monitoring circuit 4, integrated circuit card reader 6；The charging monitoring circuit 4 connects integrated circuit
Card reader 6 and display module 5, charging pipette tips interface are equipped with charging pipette tips 12, are equipped with lock above the charging pipette tips 12
3, it is equipped with switch trigger 13 positioned at the handle 8 of the gun body 1, the switch trigger 13 passes through the touching in the handle 8
The control connection of switch 14 lock 3 is controlled, so that the connection of the charging pipette tips 12 of electric car and charging gun is relatively fixed and tight
It is close.
Wherein, display module 5 can use the realization such as liquid crystal display or LED light.
As shown in Fig. 2, the charging monitoring circuit is used to monitor the connection status of electric car Yu the charging gun, including
Controller, current detection circuit, voltage detecting circuit, the controller connect the current detection circuit and the voltage detecting
Circuit, the controller are also connected with integrated circuit card reader and charging pipette tips connection signal, are connected by the charging pipette tips
The connection status of signal monitoring electric car and the charging gun；It can also be distinguished by voltage detecting circuit and current detection circuit
AC-input voltage and input current are detected, input power is calculated, carries out charge capacity statistics and charging.The charging monitoring electricity
Road further includes charge control relay, and the charge control relay is located between the input cable and the charging pipette tips,
The controller is connected, is realized between the input cable and the charging pipette tips according to the connection signal that the controller issues
Electrical connection.Charging monitoring circuit judges charging gun by the connection signal of detection charging pipette tips interface, the state of switch trigger
Whether it is already inserted into electric car and normally connects, and carries out charge control.
Wherein, it includes input voltage measurement sub-circuit and output voltage that voltage detecting circuit, which includes the voltage detecting circuit,
Sub-circuit is detected, the input voltage measurement sub-circuit is between the input cable and the charge control relay, institute
Output voltage detection sub-circuit is stated between the charge control relay and the charging pipette tips.
Charging monitoring unit is also equipped with leakage current detection circuit, when detecting that discharge current is more than the threshold value pre-seted
Charge switch is disconnected, carries out residual current protection, and provide corresponding alarm by display module.
Specifically, as shown in Fig. 2, the end PE (protective grounding) of charging monitoring circuit connection the mains circuit, (exchange of the end L
Power end), N-terminal (middle line), the controller of charging monitoring circuit passes through input voltage measurement sub-circuit and current detection circuit point
Not Jie Ru AC-input voltage and input current, calculate input power, carry out charge capacity statistics and charging.Output voltage detection
Circuit detects pipette tips output voltage, in conjunction with input voltage measurement, carries out relay fault diagnosis.CC (charging connection confirmation), CP
(control confirmation) is the connection signal of charging gun and electric car, and controller passes through the judgement of detection CC, CP signal and electric car
It whether normal connects.Controller can judge whether charging gun is carrying out plug operation, and carry out by detection touch switch
Corresponding power-off protection.
In the embodiment of the present invention, micro-control unit (Micro Controller Unit, abbreviation MCU) is can be selected in controller,
Also known as one chip microcomputer (Single Chip Microcomputer) or single-chip microcontroller.MCU is central processing unit
The frequency of (Central Process Unit abbreviation CPU) and specification do appropriate reduction, and by memory (memory), counter
(Timer), universal serial bus (Universal Serial Bus, abbreviation USB), analog-to-digital conversion, universal asynchronous receiving-transmitting transmission
Device (Universal Asynchronous Receiver/Transmitter, abbreviation UART), programmable logic controller (PLC)
(Programmable Logic Controller, abbreviation PLC), direct memory access (Direct Memory Access, letter
Claim), the driving circuit of the perimeter interfaces such as DMA or even liquid crystal display die set (Liquid Crystal Display, abbreviation LCD)
The computer for forming chip-scale on a single chip is all integrated, does various combination control for different applications.
In the first specific implementation scene provided by the embodiment of the utility model, read in charging gun comprising integrated circuit card
Card device and display screen, charging monitoring unit are suitble to individual consumer to use without communication function.Charging gun is accessed electronic vapour by user
Che Hou carries out authentication by swipe integrated circuit card, and charging gun starts to charge after authentication success, charging gun monitoring electricity
Road stops charging after detecting the motor-driven work of switch spanner or drawing guns, and charging needs to carry out integrated circuit card identity again to test again
Card.Display screen can show charge information, state and operation indicating, user-friendly.In the embodiment, LED can be used
Indicator light substitutes display screen and carries out charging instruction.
It include radio communication circuit in charging gun in second of specific implementation scene provided by the embodiment of the utility model
And display screen, radio communication circuit can take WIFI/ bluetooth/general packet radio service (General Packet Radio
Service, abbreviation GPRS) etc. communication modes, be suitble to any user to use.After charging gun is accessed electric car by user, display
Screen can show corresponding charging gun two-dimensional barcode information, and user passes through mobile phone swipe two dimensional code login application program or public platform, into
Row charging setting is operated and is paid, and mode communicates charging gun with cloud platform or apps server by wireless communication, obtains
Charge control is carried out after charge information.And charged state and information are transmitted to cloud platform or apps server facilitates user
It checks.Charging complete stops carrying out charge accounting after charging.
It include radio communication circuit in charging gun in the third specific implementation scene provided by the embodiment of the utility model
And LED light, radio communication circuit can take the communication modes such as WIFI/ bluetooth/GPRS, the charging gun body of a gun or charging gun peace
Holding position sticks corresponding charging gun two-dimensional barcode information.User is used by barcode scanning landing approach, and charging gun is accessed electricity by user
After electrical automobile, by mobile phone swipe two dimensional code login application program or public platform, carries out charging setting and operate and pay, charging gun
Mode is communicated with cloud platform or apps server by wireless communication, carries out charge control after obtaining charge information.And it will
Charged state and information are transmitted to cloud platform or apps server facilitates user to check.Charging complete stops charging laggard
Row charge accounting.Display screen can show charge information, state and operation indicating, user-friendly.LED light can be into
The instruction of row charged state.
In conclusion the utility model embodiment provides a kind of charging gun of the electric car of integral type, the charging
Rifle connects the input cable of mains circuit, including gun body and charging pipette tips, the charging gun further include: charging monitoring circuit, collection
At circuit card reader and display module, the integrated circuit card reader connects the charging monitoring electricity with the display module
Road.The charging monitoring circuit is used to monitor the connection status of electric car Yu the charging gun, including controller, current detecting
Circuit, voltage detecting circuit, the controller connect the current detection circuit and the voltage detecting circuit, the controller
It is also connected with integrated circuit card reader, electric car and institute are monitored by the current detection circuit and the voltage detecting circuit
State the connection status of charging gun；AC-input voltage and defeated can be also respectively connected to by voltage detecting circuit and current detection circuit
Enter electric current, calculate input power, carries out charge capacity statistics and charging.So as to greatly simplify the electrical knot of traditional charging pile
Structure, so that charging process is more convenient flexibly.
Further, the utility model embodiment additionally provides a kind of charging unit, which includes for fixing
The pile body of charging gun and above-mentioned charging gun.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of charging gun of electric car, the charging gun connects alternating current input cable, including gun body and charging pipette tips, special
Sign is, the charging gun further include:
Charging monitoring circuit, integrated circuit card reader and display module, the integrated circuit card reader and the display mould
Group connects the charging monitoring circuit；
Wherein, the charging monitoring circuit is used to monitor the connection status of electric car and the charging gun and carries out charging control
System, including controller, current detection circuit, voltage detecting circuit, the controller connect the current detection circuit and described
Voltage detecting circuit, the controller are also connected with integrated circuit card reader and charging pipette tips connection signal, pass through the charging
The connection status of pipette tips connection signal monitoring electric car and the charging gun；Voltage detecting circuit and current detecting can also be passed through
Circuit detects AC-input voltage and input current respectively, calculates input power, carries out charge capacity statistics and charging.
2. charging gun according to claim 1, which is characterized in that the charging monitoring circuit further includes charge control relay
Device, the charge control relay are located between the input cable and the charging pipette tips, the controller are connected, according to institute
State controller sending connection signal realize the input cable and it is described charging pipette tips between electrical connection.
3. charging gun according to claim 2, which is characterized in that the voltage detecting circuit includes input voltage measurement
Circuit and output voltage detect sub-circuit, and the input voltage measurement sub-circuit is located at the input cable and the charge control
Between relay, the output voltage detection sub-circuit is between the charge control relay and the charging pipette tips.
4. charging gun according to claim 3, which is characterized in that the charging monitoring circuit further includes leakage current test electricity
Road, the leakage current detection circuit connect the input cable and the input voltage measurement sub-circuit, are also connected with the control
Device.
5. charging gun according to claim 4, which is characterized in that the current detection circuit connects the input voltage inspection
Survey sub-circuit and the charge control relay.
6. charging gun according to claim 4, which is characterized in that the leakage current detection circuit detects that discharge current is super
When crossing preset threshold, the controller is notified, the charge control relay is disconnected by the controller, carries out leakage current guarantor
Shield.
7. charging gun according to claim 6, which is characterized in that the charging monitoring circuit further includes wireless communication electricity
Road, the radio communication circuit connects controller, for realizing the communication of the charging gun and mobile radio terminal.
8. charging gun according to claim 1-7, which is characterized in that the charging gun include it is integrally formed into
Line mouth, display window, anti-water chamber and charging pipette tips interface, the incoming line of the charging gun connect input cable, the display
Window and the display module cooperate, and are provided with charging monitoring circuit and integrated circuit card card reader in the anti-water chamber.
9. charging gun according to claim 8, which is characterized in that charging pipette tips are installed in the charging pipette tips interface,
It is equipped with lock above the charging pipette tips, is equipped with switch trigger positioned at the handle of the gun body, the switch trigger is by setting
It is connected in the switch block in the handle and controls the lock.
10. a kind of charging unit of electric car, which is characterized in that including the pile body for fixing charging gun and such as claim
The described in any item charging guns of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762808.3U CN209022773U (en) | 2018-10-29 | 2018-10-29 | A kind of charging gun and charging unit of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762808.3U CN209022773U (en) | 2018-10-29 | 2018-10-29 | A kind of charging gun and charging unit of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209022773U true CN209022773U (en) | 2019-06-25 |
Family
ID=66908447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762808.3U Active CN209022773U (en) | 2018-10-29 | 2018-10-29 | A kind of charging gun and charging unit of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209022773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257448A (en) * | 2022-06-24 | 2022-11-01 | 智己汽车科技有限公司 | Monitoring system and monitoring method for direct-current charging process of electric automobile |
-
2018
- 2018-10-29 CN CN201821762808.3U patent/CN209022773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257448A (en) * | 2022-06-24 | 2022-11-01 | 智己汽车科技有限公司 | Monitoring system and monitoring method for direct-current charging process of electric automobile |
| CN115257448B (en) * | 2022-06-24 | 2024-05-14 | 智己汽车科技有限公司 | Monitoring system and monitoring method for direct current charging process of electric automobile |
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