CN107123905B - Charging gun and charging equipment - Google Patents
Charging gun and charging equipment Download PDFInfo
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- CN107123905B CN107123905B CN201710552051.9A CN201710552051A CN107123905B CN 107123905 B CN107123905 B CN 107123905B CN 201710552051 A CN201710552051 A CN 201710552051A CN 107123905 B CN107123905 B CN 107123905B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6616—Structural association with built-in electrical component with built-in single component with resistor
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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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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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
- B60L53/60—Monitoring or controlling charging stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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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
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention provides a charging gun and charging equipment, wherein the charging gun is provided with a cable and a charging gun head, the charging gun head is provided with a plug state detection resistor, the plug state detection resistor is used for being connected into a charging gun detection circuit of a charging vehicle when the charging gun head is plugged into a charging interface of the charging vehicle, so that the charging vehicle judges that the charging gun is connected into the charging interface according to the voltage change of the detection circuit, the plug state detection resistor is connected with a delay switch in series, the delay switch is in a closed state in a normal state, and the delay switch is opened when receiving a charging start signal and is closed after reaching a set time. The charging equipment provided by the invention can be charged without plugging the charging gun head again when the charging of the charging vehicle is unsuccessful.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a charging gun and charging equipment.
Background
At present, as an electric automobile is used as a new energy automobile, the automobile takes a vehicle-mounted power supply as power, the power resource is renewable, the problems of environmental pollution, high energy consumption and the like caused by exhaust emission of a fuel automobile can be solved, the electric automobile is greatly popularized in the life of people, more and more people choose to purchase and use the electric automobile, and the number of the electric automobiles in public transportation means is also increasing.
In the prior art, after a user charges once in the charging process of an electric automobile, if the user needs to charge again, the charging operation of pulling out the charging gun head from the charging interface of the automobile and reinserting the charging gun head into the charging interface is further completed, and then the charging operation of the electric automobile is continued, so that if the charging operation is unsuccessful due to sudden power failure and the like in the charging process, the user needs to plug the charging gun head again manually, and at the moment, if the charging operation is unsuccessful, the user of the electric automobile is not timely found, the user may need to turn back the charging gun head back again after leaving the charging gun head, so that the user experience is seriously influenced.
Disclosure of Invention
In view of the above, an objective of the embodiments of the present invention is to provide a charging gun and a charging device for solving the above-mentioned problems.
In a first aspect, an embodiment of the present invention provides a charging gun, where the charging gun has a cable and a charging gun head, the charging gun head is provided with a plug state detection resistor, and the plug state detection resistor is used to be connected to a charging gun detection circuit of a charging vehicle when the charging gun head is inserted into a charging interface of the charging vehicle, so that the charging vehicle determines that the charging gun has been connected to the charging interface according to a voltage change of the detection circuit, the plug state detection resistor is connected in series with a delay switch, and in a normal state, the delay switch is in a closed state, and the delay switch is opened when receiving a charging start signal and is closed after reaching a set time.
With reference to the first aspect, embodiments of the present invention provide a first possible implementation manner of the first aspect, wherein:
the delay switch is a normally closed contact of the relay.
With reference to the first aspect, embodiments of the present invention provide a second possible implementation manner of the first aspect, wherein:
the surface of the charging gun head is provided with a temperature sensor.
In a second aspect, an embodiment of the present invention provides a charging apparatus, including: the charging gun, the charging gun state detecting element, the control element and the power supply element described in any one of the above embodiments;
the charging gun state detection element is used for detecting whether the charging gun head is inserted into a charging interface of a charging vehicle;
the control element is used for judging through the charging gun state detection element that the charging gun head is inserted into the charging interface of the charging vehicle, and sending a charging start signal to the charging gun after receiving a charging instruction.
With reference to the second aspect, embodiments of the present invention provide a first possible implementation manner of the second aspect, wherein:
the charging gun state detection element includes: the first detection resistor, the second detection resistor and the charging vehicle resistor interface are positioned in the same measuring loop; when the charging gun is inserted into the charging interface of the charging vehicle, the charging vehicle resistor of the charging vehicle is connected to the charging vehicle resistor interface, the voltage of the measuring loop is changed to generate a voltage change signal, and the control element judges that the charging gun head is inserted into the charging interface of the charging vehicle according to the voltage change signal of the measuring loop.
With reference to the second aspect or the first possible implementation manner of the second aspect, the embodiment of the present invention provides a second possible implementation manner of the second aspect, where:
the charging apparatus includes: a wireless communication element;
the wireless communication element is used for sending prompt information of completion of the delay switch action of the charging gun head to the server, so that the server sends the prompt information to a terminal corresponding to a current charging vehicle user, and the terminal displays the prompt information;
the wireless communication element is also used for receiving a charging instruction sent by the server and sending the charging instruction to the control element so that the control element responds to the charging instruction.
With reference to the second aspect, embodiments of the present invention provide a third possible implementation manner of the second aspect, wherein:
further comprises: the touch display element is used for displaying state information of the charging equipment and the charging vehicle;
and detecting touch operation of a user, triggering generation of a charging instruction based on the touch operation, and sending the charging instruction to a control element so that the control element responds to the charging instruction.
With reference to the second aspect, embodiments of the present invention provide a fourth possible implementation manner of the second aspect, wherein:
the charging equipment is further provided with a near field communication NFC identification element, information of the charging equipment is stored in the NFC identification element, and the NFC identification element is used for sending the information of the charging equipment to the management terminal when receiving a charging equipment information acquisition request sent by the management terminal; the management terminal is terminal equipment used by staff managing the charging equipment.
With reference to the second aspect, embodiments of the present invention provide a fifth possible implementation manner of the second aspect, wherein:
the charging equipment is also provided with a position prompt element;
the wireless communication element is used for receiving the position prompt instruction sent by the server and sending the position prompt instruction to the control element;
the control element is used for executing the position prompt instruction to control the position prompt element to send out a position prompt signal.
With reference to the fifth possible implementation manner of the second aspect, an embodiment of the present invention provides a sixth possible implementation manner of the second aspect, where:
the position-indicating element includes: any one or more of a flash lamp, a buzzer and a voice broadcasting device.
According to the charging gun provided by the embodiment of the invention, after the charging gun is inserted into the charging interface of a charging vehicle, the delay switch connected in series with the plug-in state detection resistor is automatically controlled to be disconnected for a preset time before charging starts, so that the charging detection resistor is disconnected from the detection circuit of the charging vehicle for the preset time, and further, the charging can be performed again without the gun plugging and unplugging action again when primary charging is unsuccessful; the charging device provided by the embodiment of the invention can also achieve the purpose.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a charging gun head according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a charging device according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a charging device according to a second embodiment of the present invention;
fig. 4 is a schematic diagram showing a circuit connection relationship in a use state of a charging device according to an embodiment of the present invention;
reference numerals: 101-a plug state detection resistor; 101-a delay switch; 201-charging gun; 202-a charge gun state detection element; 203-a control element; 204-a power supply element; 301-wireless communication element.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
At present, electric automobiles are increasingly popular, corresponding charging equipment is also built in a large area, in the prior art, the charging vehicles often suffer from unsuccessful primary charging caused by power failure and the like when being charged, and when the charging needs to be continued, the charging vehicles need to be continuously charged after users complete the action of pulling out and reinserting the charging gun heads due to the limitation of the charging vehicles, so that various inconveniences are brought, and the user experience is poor; based on the above, the embodiment of the invention provides a charging gun and charging equipment.
The invention is described in more detail below by means of specific examples;
example 1
Referring to fig. 1, in an embodiment of the present invention, a charging gun is provided, the charging gun has a cable and a charging gun head, the charging gun head is provided with a plug state detection resistor 101, the plug state detection resistor 101 is used for being connected to a charging gun detection circuit of a charging vehicle when the charging gun head is inserted into a charging interface of the charging vehicle, at this time, the voltage of the charging gun detection circuit changes, so that the charging vehicle can determine that the charging gun has been connected to the charging interface according to the voltage change of the charging gun detection circuit, a delay switch is connected in series with the plug state detection resistor, the delay switch is in a closed state in a normal state, and when the delay switch receives a charging start signal, the delay switch is opened, so that the plug state detection resistor is disconnected from a charging monitoring circuit of the charging vehicle for a preset time when the charging gun head is inserted into the charging interface of the charging vehicle, and is closed after the preset time is disconnected, the plug state detection resistor is reconnected to the detection circuit. Therefore, when the charging vehicle which is unsuccessful in charging needs to continue charging, the actions of pulling the charging gun and inserting the charging gun again by manpower can be avoided, time and labor are saved, and the service life of the charging gun head is prolonged.
Further, the delay switch is a normally-closed contact of the relay, and when the relay receives a charging start signal, the normally-closed contact is triggered to be opened, and the relay is closed again after the relay maintains the opened state for a preset time; the charging start signal may be an electrical signal obtained by a relay coil, and the normally-closed contact of the relay is disconnected after the relay coil is electrified.
Preferably, the preset time is set to 3-5 seconds in order to comprehensively consider the user waiting time and the communication time between the charging vehicle and the charging device.
Further, the surface of the charging gun head is provided with a temperature sensor, and the temperature sensor is used for detecting the temperature of the surface of the charging gun head; further, the charging gun head is provided with a warning lamp, and the warning lamp is used for indicating state information such as the plugging state, the charging state, the fault state and the like of the charging gun.
Example two
Referring to fig. 2, there is provided a charging apparatus in the present embodiment, the charging apparatus including: the charging gun 201, the charging gun state detecting element 202, the control element 203, and the power feeding element 204 in the above-described embodiments;
a charging gun state detecting element 202 for detecting whether the charging gun 201 is inserted into a charging interface of the charging vehicle;
the charge state detection element includes: the first detection resistor, the second detection resistor and the charging vehicle resistor interface are positioned in the same measuring loop; when the charging gun is inserted into the charging interface of the charging vehicle, the charging vehicle resistor of the charging vehicle is connected into the charging vehicle resistor interface, the voltage of the measuring loop is changed to generate a voltage change signal, the control element receives the voltage change signal, and then the control element can judge that the charging gun is inserted into the charging interface of the charging vehicle according to the voltage change signal of the measuring loop.
The control element 203 is configured to determine that the charging gun is inserted into the charging interface of the charging vehicle according to the voltage change signal, and send a charging start signal to the charging gun after receiving the charging command.
After the charging gun receives the charging start signal, the delay switch is automatically opened, the opening time is kept to be the preset time, and then the charging gun is automatically closed, and at the moment, the charging gun starts to charge the charging vehicle.
Further, referring to fig. 3, the charging device further includes a WIreless communication element 301, which may be one or more of a wifi (WIreless-Fidelity) element, a 3G (3 rd-generation mobile communication technology) network element, or a 4G (the 4Generation mobile communication technology, fourth-generation mobile communication technology) network element.
The wireless communication element is used for sending prompt information of completion of the delay switch action of the charging gun head to the server, so that the server sends the prompt information to a terminal corresponding to a current charging vehicle user, the terminal displays the prompt information, and the prompt information can be information for prompting the user that charging can be performed currently; when the terminal corresponding to the current charging vehicle user receives the prompt information, the charging vehicle user can send a charging instruction to the server through the terminal, the server further sends the charging instruction to the wireless communication element of the charging equipment, the wireless communication device further sends the charging instruction to the control element after receiving the charging instruction, the control element receives the charging instruction and responds to the charging instruction, and the responding process comprises the following steps: sending a charging start signal to a charging gun, and closing a delay switch of a charging gun head after the delay switch is opened for a preset time; so that the charging vehicle considers that the charging gun is plugged and unplugged once, and further charging can be continued; it is very beneficial to remotely control charging.
In a specific embodiment, the charging device includes a touch display element, where the touch display element is configured to display status information of the charging device and the charging vehicle, where the status information of the charging vehicle may be obtained from the vehicle by the control element or an additional communication element, and the status information includes: state information such as inserted gun, pulled gun, charging fault, full state, unfilled state and the like; the touch display element is also used for detecting touch operation of a user, triggering generation of a charging instruction based on the touch operation, and sending the charging instruction to the control element so that the control element responds to the charging instruction; according to the charging equipment provided by the embodiment, the current state of the charging equipment and the state of the charging vehicle can be displayed through the touch display element, when the charging vehicle is powered off in the charging process and the charging vehicle is not fully charged, the charging gun head is still positioned in the charging interface, a user triggers a charging instruction through the touch display element, the control element receives the charging instruction and sends a charging start signal to the charging gun, the delay switch is closed after being opened for a preset time, and at the moment, the charging vehicle can again detect that the charging gun head is inserted, and further charging is started again; the touch display device in this embodiment may be a touch display screen, and the touch operation of the user may be a touch operation; further, the touch display screen is provided with an induction area, and the touch operation of the user can be card swiping operation and the like.
In the above embodiment, the control element may also directly control the delay switch to be turned off for a preset time after receiving the charging instruction, and the control element may be a main control chip, and control the delay switch by adding an IO port to the main control chip.
Referring to fig. 4, the circuit connection relationship in the use state of the charging device in the embodiment of the present invention is illustrated, when a user needs to charge, firstly, the control element determines whether the state of the charging gun is a plugged gun, and determines through the voltage change signal of the charging state detecting element, as shown in fig. 4, when the user does not plug a gun, the voltage U1 of the detecting point 1 is 6V because of the voltage division of the first detecting resistor R1 and the second detecting resistor R2, and when the user plugs a gun, the voltage of the detecting point 1 becomes 4V because of the voltage division of the first detecting resistor R1, the second detecting resistor R2 and the charging vehicle resistor are connected in series and parallel, and the control element determines that the charging gun is plugged according to the voltage change signal;
the charging vehicle judges whether the charging gun is inserted into the charging interface by detecting the voltage change of the detection point U2, when the charging gun is inserted into the charging interface, the insertion and extraction state detection resistor 101 of the charging gun is connected into the charging gun detection circuit of the charging vehicle, and at the moment, the charging gun detection circuit of the charging vehicle is divided by the insertion and extraction state detection resistor 101 and the third detection resistor R5; when the charging gun is in a non-inserting state, only the third detection resistor R5 in the charging detection circuit of the charging vehicle is divided, so that the condition that the charging gun is inserted or not can be met through detecting the voltage value of the detection point U2, when the delay switch 101 is disconnected, only the third detection resistor R5 in the charging detection circuit of the charging vehicle is divided, and then the charging vehicle judges that the charging gun is not inserted into the charging interface at the moment, and when the delay switch is closed again, the charging gun detection circuit is divided by the inserting state detection resistor 101 and the third detection resistor R5 again; therefore, when the charging is interrupted due to sudden power failure in the charging process, when a user triggers a charging instruction to recharge, the delay switch is automatically opened for a preset time and then closed, and the charging vehicle can consider that the gun is plugged and unplugged once, so that the gun can be plugged and unplugged again without manual operation; is convenient and quick.
It should be noted that fig. 4 only shows the use case of the dc charging device, and should not be construed as limiting the present invention, and the embodiment of the present invention is also applicable to the ac charging device or the charging pile.
In a specific embodiment, the charging device is further provided with a near field communication NFC identification element, where information of the charging device is stored in the NFC identification element, and the information includes: the NFC identification element is used for sending information of the charging equipment to the management terminal when receiving a charging equipment information acquisition request sent by the management terminal; the management terminal is terminal equipment used by staff managing the charging equipment; through set up NFC identification element on charging equipment to use this component to store charging equipment's information, can make the managers easily acquire this charging equipment's information through using the terminal, the manager of being convenient for carries out maintenance and management to charging equipment, work efficiency is high.
Further, in a specific embodiment, the charging device is further provided with a position prompting element; the wireless communication element is used for receiving the position prompt instruction sent by the server and sending the position prompt instruction to the control element; the control element is used for executing the position prompt instruction to control the position prompt element to send out a position prompt signal.
Further, in this embodiment, the server receives an instruction of starting a position prompt sent by a terminal applicable to a user of the charging vehicle, a corresponding application program (APP) is installed on the terminal, the server sends the position prompt instruction to the charging device in one step after receiving the instruction, and the charging device receives the position prompt instruction in a wireless communication manner through the wireless communication element, and the control element controls the position prompt element to send a position prompt signal; the position-indicating element includes: any one or more of a flash lamp, a buzzer and a voice broadcasting device; the position prompt signal can be any one or more of a signal that the lamplight flashes according to a certain frequency, a lamplight flashing signal with a certain color, a sound signal and a voice broadcast.
In the embodiments of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
It should also be noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the corresponding technical solutions. Are intended to be encompassed within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a charging gun, the charging gun has cable and charging gun head, the plug state detection resistance is installed to the charging gun head, plug state detection resistance is used for inserting in the charging gun detection circuitry of this charging vehicle when charging gun head inserts the charging interface of charging vehicle, so that the charging vehicle judges according to detection circuitry's voltage variation the charging gun has inserted the charging interface, its characterized in that, plug state detection resistance establishes ties has time delay switch, and under the normal condition time delay switch is closed state, time delay switch opens when receiving the start signal that charges to close after reaching the time of setting.
2. The charging gun of claim 1, wherein the delay switch is a normally closed contact of a relay.
3. The charging gun of claim 1, wherein the charging gun head surface is provided with a temperature sensor.
4. A charging apparatus, characterized by comprising: a charging gun, a charging gun state detecting element, a control element and a power supply element according to any one of claims 1 to 3;
the charging gun state detection element is used for detecting whether the charging gun head is inserted into a charging interface of a charging vehicle;
the control element is used for judging through the charging gun state detection element that the charging gun head is inserted into the charging interface of the charging vehicle, and sending a charging start signal to the charging gun after receiving a charging instruction.
5. The charging apparatus according to claim 4, wherein the charging gun state detection element includes: the first detection resistor, the second detection resistor and the charging vehicle resistor interface are positioned in the same measuring loop; when the charging gun is inserted into the charging interface of the charging vehicle, the charging vehicle resistor of the charging vehicle is connected to the charging vehicle resistor interface, the voltage of the measuring loop is changed to generate a voltage change signal, and the control element judges whether the charging gun head is inserted into the charging interface of the charging vehicle according to the voltage change signal of the measuring loop.
6. The charging apparatus according to any one of claims 4 to 5, characterized in that the charging apparatus comprises: a wireless communication element;
the wireless communication element is used for sending prompt information of completion of the delay switch action of the charging gun head to the server, so that the server sends the prompt information to a terminal corresponding to a current charging vehicle user, and the terminal displays the prompt information;
the wireless communication element is also used for receiving a charging instruction sent by the server and sending the charging instruction to the control element so that the control element responds to the charging instruction.
7. The charging apparatus according to claim 4, further comprising: the touch display element is used for displaying state information of the charging equipment and the charging vehicle;
and detecting touch operation of a user, triggering generation of a charging instruction based on the touch operation, and sending the charging instruction to a control element so that the control element responds to the charging instruction.
8. The charging device according to claim 4, wherein the charging device is further provided with a near field communication NFC identification element, in which information of the charging device is stored, the NFC identification element being configured to transmit the information of the charging device to the management terminal when receiving a charging device information acquisition request transmitted by the management terminal; the management terminal is terminal equipment used by staff managing the charging equipment.
9. The charging device according to claim 6, wherein the charging device is further provided with a position-indicating element;
the wireless communication element is used for receiving the position prompt instruction sent by the server and sending the position prompt instruction to the control element;
the control element is used for executing the position prompt instruction to control the position prompt element to send out a position prompt signal.
10. The charging device of claim 9, wherein the position-indicating element comprises: any one or more of a flash lamp, a buzzer and a voice broadcasting device.
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| CN109017373B (en) * | 2018-07-26 | 2021-11-02 | 奇瑞汽车股份有限公司 | Charging method and device for electric automobile and storage medium |
| CN109212354B (en) * | 2018-09-27 | 2023-12-26 | 莱茵技术（上海）有限公司 | Digital communication protocol testing device for electric automobile |
| CN109812173A (en) * | 2018-12-27 | 2019-05-28 | 奇瑞汽车股份有限公司 | A kind of electric vehicle charge port hatch door control system, method and electric vehicle |
| CN113173096A (en) * | 2021-04-25 | 2021-07-27 | 浙江吉利控股集团有限公司 | Charging control method, control device and control system |
| WO2023044798A1 (en) * | 2021-09-24 | 2023-03-30 | 华为技术有限公司 | Plugging state detection method and apparatus |
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