CN116298594B - Charging gun self-checking device and charging pile - Google Patents
Charging gun self-checking device and charging pile Download PDFInfo
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- CN116298594B CN116298594B CN202310007707.4A CN202310007707A CN116298594B CN 116298594 B CN116298594 B CN 116298594B CN 202310007707 A CN202310007707 A CN 202310007707A CN 116298594 B CN116298594 B CN 116298594B
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- 238000012423 maintenance Methods 0.000 abstract description 6
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/55—Testing for incorrect line connections
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus 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
- Y02T90/12—Electric charging stations
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Abstract
The application relates to a self-checking device of a charging gun and a charging pile; wherein, rifle self-checking device charges includes: the self-checking control circuit is used for outputting a detection signal to the charging gun through the gun seat wire harness under the condition that the charging gun currently meets detection conditions; the detection conditions comprise that the charging gun is inserted into a charging gun seat; the detection signals comprise time sequence signals for testing the working state of the charging gun circuit; the detection circuit is used for acquiring an electric signal generated by a charging gun circuit when a detection signal flows through the charging gun wire harness; if the charging gun is confirmed to be abnormal according to the electric signal, outputting abnormal state information; the abnormal state information is used for indicating the charging pile to output prompt information to the station control platform. The application can realize accurate and efficient detection of the charging gun and effectively improve the station operation efficiency and the after-sales maintenance cost.
Description
Technical Field
The application relates to the technical field of electric automobile charging, in particular to a charging gun self-checking device and a charging pile.
Background
Along with the continuous development of electric automobile, fill electric pile's application is more and more extensive, fills electric pile's application scene and also is constantly changing thereupon, and the diversification of scene operation has brought new challenges for the service environment of charging gun, and the charging gun uses in outdoor scene, and the raining water often appears and soaks, and the rifle line drags ground by the phenomenon of vehicle tire, and the charging gun receives the damage, leads to the customer to charge the failure, also can produce the risk of electric leakage and electric shock.
At present, when a charging station finds that a charging pile cannot be charged, a plurality of charging pile enterprises and charging pile station operators generally coordinate after-sales technicians to go to the station for checking, and when the charging gun is damaged, a new charging gun is required to be purchased for replacement, so that the charging experience of a client and the station operation efficiency are seriously influenced. The traditional detection mode has the problem of low detection efficiency.
Disclosure of Invention
In view of the above, it is desirable to provide a charging gun self-inspection device and a charging pile capable of efficiently inspecting a charging gun.
In a first aspect, the present application provides a self-test device for a charging gun, the device comprising:
the self-checking control circuit is used for outputting a detection signal to the charging gun through the gun seat wire harness under the condition that the charging gun currently meets detection conditions; the detection conditions comprise that the charging gun is inserted into a charging gun seat; the detection signals comprise time sequence signals for testing the working state of the charging gun circuit;
The detection circuit is used for acquiring an electric signal generated by a charging gun circuit when a detection signal flows through the charging gun wire harness; if the charging gun is confirmed to be abnormal according to the electric signal, outputting abnormal state information; the abnormal state information is used for indicating the charging pile to output prompt information to the station control platform.
In one embodiment, the timing signal includes a power signal that matches the detection timing; the electrical signal includes the voltage of the charging gun circuit;
The self-checking control circuit comprises a time sequence switch and a switching power supply for outputting a power supply signal; the switch power supply is connected with the gun seat wire harness through the time sequence switch; the time sequence switch is used for switching on the connection between the switch power supply and the gun seat wire harness in the current detection time sequence, and disconnecting the connection between the switch power supply and the gun seat wire harness in the gap between two adjacent detection time sequences.
In one embodiment, the time switch is a relay; the switching power supply is a power switching power supply.
In one embodiment, the detection circuit is used for detecting the electric quantity value of the charging gun circuit through the connecting wire harness and outputting abnormal state information based on the electric quantity value; the connecting wire harness comprises a connecting wire harness A+ wire and a connecting wire harness A-wire, and wire harnesses except the connecting wire harness A+ wire and the connecting wire harness A-wire in the charging gun wire harness; the electrical quantity value includes an effective dc voltage value of the charging gun circuit.
In one embodiment, the detection circuit further comprises an acquisition unit and a comparison circuit;
The acquisition unit is used for measuring the resistance value of the target resistor of the charging gun circuit and outputting a resistance measured value;
The comparison circuit is used for comparing the received resistance measured value with a standard value and outputting abnormal state information.
In one embodiment, the abnormal state information is used to indicate at least one of the following abnormal states: the charging gun circuit is broken, and the charging gun circuit is abnormal in connection and the detection circuit detects data abnormality.
In one embodiment, the detection condition includes homing of the charging gun to the charging gun mount; the apparatus further comprises:
And the charging gun homing detection circuit is connected with the self-checking control circuit and used for detecting whether the charging gun is homing into the charging gun seat.
In a second aspect, the application also provides a charging pile, which comprises a charging pile body and a charging gun seat arranged in the charging pile body; wherein, fill electric pile still including foretell rifle self-checking device that charges.
In one embodiment, the charging stake further comprises a control unit for connecting to the station control platform; the control unit is connected with the charging gun self-checking device;
The charging gun self-checking device is used for outputting abnormal state information when detecting that the charging gun is abnormal in any detection time sequence; the control unit is used for transmitting the abnormal state information to the station control platform.
In one embodiment, the control unit is communicatively coupled to the station platform.
Above-mentioned rifle self-checking device and fill electric pile charge to charge through connecing the self-checking control circuit of the rifle seat pencil of charging the rifle seat to and connect the detection circuitry who charges the rifle pencil of charging the rifle, when the rifle that charges currently satisfies the condition of detection under, self-checking control circuit responds the detected signal according to the detection time sequence, the detected signal passes through the pencil and reaches the rifle seat of charging the rifle seat, and then get into the rifle body of charging, and return inside the self-checking device again through the rifle pencil of charging, detection circuitry can confirm whether the rifle circuit of charging is normal through judging the signal of receiving, realize the accurate high-efficient detection of charging the rifle. According to the embodiment of the application, whether the cable in the charging gun is broken or not and whether the cable is abnormal in connection or not can be judged through the self-checking control circuit and the detection circuit, when the detection circuit finds abnormality, the abnormal information is transmitted to the station control platform, and the station control platform can remotely obtain the abnormal information of the outdoor charging pile, so that the station operation efficiency and the after-sale maintenance cost can be effectively improved.
Drawings
FIG. 1 is a diagram of an application environment of a self-test device of a charging gun according to one embodiment;
FIG. 2 is a schematic diagram of a self-checking device of a charging gun according to an embodiment;
FIG. 3 is a schematic diagram of a self-test control circuit and a detection circuit according to an embodiment;
FIG. 4 is a schematic diagram of a self-checking device of a charging gun according to another embodiment;
Fig. 5 is a schematic diagram of a frame of a charging stake in one embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that the terms first, second, etc. as used herein may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments should be understood as "electrical connection", "communication connection", and the like if there is transmission of electrical signals or data between objects to be connected.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
The self-checking device of the charging gun provided by the embodiment of the application can be applied to an application environment shown in fig. 1. The user charges the electric vehicle 106 through the charging gun 104 on the charging pile 102, and the charging pile 102 is provided with a charging gun holder which is matched with the charging gun 104. Taking the external hanging type charging gun 104 of the charging pile 102 as an example, the charging gun 104 is hung on a pile body of the charging pile 102, when in use, a user takes down the charging gun 104 from a charging gun seat of the charging pile 102 and inserts the charging gun 104 into the charging gun seat after charging is finished with a charging port of the electric automobile 106.
Further, the charging pile 102 can be in communication connection with a station operation platform, so that station operators can remotely obtain information of the outdoor charging pile; illustratively, the station operating platform may refer to a station control platform. It should be noted that, the embodiment of the present application is illustrated by implementing the above platform through a server, and it can be understood that the above platform may also be applied to a terminal, and may also be applied to a system including a terminal and a server, and implemented through interaction between the terminal and the server. Alternatively, the server may be implemented as a stand-alone server or as a server cluster composed of a plurality of servers.
In one embodiment, as shown in fig. 2, a self-checking device for a charging gun is provided, and the self-checking device for a charging gun 200 may include:
The self-checking control circuit 210 is used for connecting a gun seat wire harness of the charging gun seat, and the self-checking control circuit 210 is used for outputting a detection signal to the charging gun through the gun seat wire harness under the condition that the charging gun currently meets detection conditions; the detection conditions comprise that the charging gun is inserted into a charging gun seat; the detection signals comprise time sequence signals for testing the working state of the charging gun circuit;
the detection circuit 220 is used for connecting a charging gun wire harness of the charging gun, and the detection circuit 220 is used for acquiring an electric signal generated by a charging gun circuit when a detection signal flows through the charging gun wire harness; if the charging gun is confirmed to be abnormal according to the electric signal, outputting abnormal state information; the abnormal state information is used for indicating the charging pile to output prompt information to the station control platform.
Specifically, the charging gun seat, the gun seat front end is connected with the charging gun, so that the charging gun can be easily inserted into the gun seat, and the gun seat rear end is connected with the charging gun self-checking device 200. In the case where the charging gun currently satisfies the detection condition, the charging gun self-checking device 200 may be started up in a set program.
Wherein the detection condition may include insertion of the charging gun into the charging gun holder. For example, the detection condition may refer to that the charging gun is normally inserted into the gun seat to be completely connected, that is, the charging gun head is completely inserted into the socket; alternatively, the detection condition may be set depending on whether the charging gun is classified as the charging gun holder; the embodiment of the application can carry out homing self-checking on the charging gun, thereby realizing real-time judgment on whether the function of the charging gun is normal.
Further, the self-checking control circuit 210 is correspondingly connected to the charging gun holder, and performs self-checking control according to a set time sequence after detecting that the charging gun is inserted into the gun holder. Specifically, the self-checking control circuit 210 may output a detection signal to the charging gun through the gun seat wire harness in the case that the charging gun is currently inserted into the charging gun seat; the detection signal may include a timing signal for testing the operational status of the charging gun circuit. In the embodiment of the present application, the self-checking control circuit 210 may complete the function detection of the charging gun through the timing signal, for example, the working state of the charging gun circuit; alternatively, the timing signal may refer to a signal that matches the detection timing, for example, a power supply signal. By detecting the signal, the embodiment of the application can judge the functional integrity of the charging gun.
If the self-checking control circuit 210 outputs a detection signal, the detection circuit 220 in the embodiment of the present application can obtain, through the charging gun harness, an electrical signal generated by a charging gun line when the detection signal flows through the charging gun, and output abnormal state information when it is confirmed that the charging gun is abnormal according to the electrical signal, so that the abnormal state information can be used to instruct the charging pile to output prompt information to the station platform. At this time, station control operators can receive abnormal information of the station charging piles. Illustratively, the charging gun harness includes a charging gun wire.
In the embodiment of the application, the detection signal of the self-checking control circuit reaches the charging gun seat through the wire harness, then the signal passes through the charging gun wire body and returns to the self-checking device again, and the detection circuit determines whether the charging gun circuit is normal or not by judging the received signal. The embodiment of the application can realize accurate and efficient detection of the charging gun.
In one embodiment, the abnormal state information is used to indicate at least one of the following abnormal states: the charging gun circuit is broken, and the charging gun circuit is abnormal in connection and the detection circuit detects data abnormality.
Specifically, regarding the working state of the charging gun circuit, the embodiment of the application can judge whether the cable inside the charging gun is broken or not, and whether the connection abnormality exists or not; it may also be determined, for example, whether the detection circuit detects a data anomaly. After the detection circuit finds abnormality, abnormal state information is transmitted to the station control platform, so that the station operation efficiency and the after-sale maintenance cost can be effectively improved.
In one embodiment, the electrical signal may include a voltage of a charging gun line;
As shown in fig. 3, the self-test control circuit may include a time switch, and a switching power supply for outputting a power supply signal; the switch power supply is connected with the gun seat wire harness through the time sequence switch; the time sequence switch is used for switching on the connection between the switch power supply and the gun seat wire harness in the current detection time sequence, and disconnecting the connection between the switch power supply and the gun seat wire harness in the gap between two adjacent detection time sequences.
Specifically, when it is determined that the charging gun currently satisfies a detection condition (for example, after the charging gun is inserted into the gun holder and is completely connected), the self-checking control circuit may sequentially detect the charging gun connection harness, and the self-checking control circuit may include a timing switch and a switching power supply for outputting a power supply signal; the self-checking control circuit can control the closing and opening of the time sequence switch; when the time sequence switch is closed, the output voltage of the switching power supply is led out to the direction of the gun seat of the charging gun through the time sequence switch, the charging gun wire harness is passed through, and then the self-checking device is returned, and at the moment, a detection circuit in the self-checking device can judge whether the wire harness is abnormal or not by detecting the voltage of the wire harness point.
Further, taking a plurality of detection timings as an example, when the self-checking control circuit completes the harness stage detection of the current detection timing (for example, timing 1), the control circuit may control the timing switch to be turned off to start the stage detection of the next detection timing (for example, timing 2). Wherein, the time sequence 1 and the time sequence 2 are two adjacent detection time sequences.
In one embodiment, the time switch is a relay; the switching power supply is a power switching power supply.
Specifically, in the embodiment of the application, the self-checking control circuit can comprise a relay and a power switch power supply, the control circuit can control the relay to be closed and opened, when the relay is closed, the voltage output by the power switch power supply is led out to the direction of a gun seat of the charging gun through the relay, and the voltage passes through a wire harness of the charging gun and returns to the self-checking device, and at the moment, a detection circuit in the self-checking device can judge whether the wire harness is abnormal or not by detecting the voltage of a wire harness point; further, taking the current detection time sequence as time sequence 1 and the next detection time sequence as time sequence 2 as an example, when the self-checking control circuit completes the detection of the wire harness stage of the time sequence 1, the self-checking control circuit can control the relay to be disconnected and start the detection of the stage of the time sequence 2.
In one embodiment, the detection circuit is used for detecting the electric quantity value of the charging gun circuit through the connecting wire harness and outputting abnormal state information based on the electric quantity value; the connecting wire harness comprises a connecting wire harness A+ wire and a connecting wire harness A-wire, and wire harnesses except the connecting wire harness A+ wire and the connecting wire harness A-wire in the charging gun wire harness; the electrical quantity value includes an effective dc voltage value of the charging gun circuit.
Specifically, in the embodiment of the application, the charging gun seat wire harness can be connected with the self-checking device through a connecting wire harness, the connecting wire harness can comprise a connecting wire harness A+ wire and a connecting wire harness A-wire, and the connecting wire harness can also comprise wire harnesses except the connecting wire harness A+ wire and the connecting wire harness A-wire in the charging gun wire harness. Taking a time sequence switch as an example of a relay, a self-checking control circuit controls the relay to be closed, at the moment, the voltage of a switching power supply can pass through a connecting wire harness A+ wire and a connecting wire harness A-wire, and after passing through a charging gun, the effective direct-current voltage value can be detected by a detection circuit in the self-checking device based on the connecting wire harness A+ wire and the connecting wire harness A-wire; it should be noted that, under the influence of the line length, there is a certain voltage drop in the detection voltage, where the detection circuit can determine whether the abnormality occurs according to the actual effective voltage value.
It should be noted that in the embodiment of the application, the number of cables in the charging gun is more, the connection wire harness a+ and the connection wire harness a-can be two of the charging gun wire harnesses, and the charging gun wire harnesses can also include other types of gun wires, for example, other wire harnesses in the charging gun; the embodiment of the present application is not limited thereto.
According to the embodiment of the application, in the self-checking process, when the detection circuit detects an abnormality in any time sequence, the self-checking device can immediately output abnormal state information, and the station control platform can obtain the abnormal information.
In one embodiment, the detection circuit may further include an acquisition unit and a comparison circuit;
The acquisition unit is used for measuring the resistance value of the target resistor of the charging gun circuit and outputting a resistance measured value;
The comparison circuit is used for comparing the received resistance measured value with a standard value and outputting abnormal state information.
Specifically, the acquisition unit may refer to resistance value data acquisition, and the target resistance may include a PT1000 thermal resistance. In the embodiment of the application, the detection circuit in the self-checking device can comprise resistance value data acquisition, so that resistance value measurement can be carried out on PT1000 thermal resistors in the charging gun, and abnormal wire harness conditions in the charging gun can be detected.
In the embodiment of the application, whether the cable in the charging gun is broken or not and whether the cable is abnormal in connection or not can be judged through the self-checking control circuit and the detection circuit, when the detection circuit finds abnormality, the abnormality information is transmitted to the station control platform, and the station control platform can remotely obtain the abnormality information of the outdoor charging pile, so that the station operation efficiency and the after-sales maintenance cost can be effectively improved.
In one embodiment, the detection condition includes homing of the charging gun to the charging gun mount; as shown in fig. 4, the apparatus may further include:
The charging gun homing detection circuit 230 is connected to the self-checking control circuit 210, and is used for detecting whether the charging gun is homing into the charging gun seat.
Specifically, the self-checking device of the charging gun in the embodiment of the application can realize homing self-checking of the charging gun; the charging gun self-checking device may include a charging gun homing detection circuit 230, where the charging gun homing detection circuit 230 may be used to detect whether the charging gun is inserted into the charging gun holder, and further the self-checking control circuit 210 correspondingly connected to the charging gun holder may perform self-checking control according to a set time sequence after the charging gun homing detection circuit 230 detects that the charging gun is inserted into the gun holder.
Further, the charging gun homing detection circuit 230 is configured to detect whether the charging gun is correctly inserted into the gun seat after the charging is completed, and when the charging gun is normally inserted into the gun seat, the self-checking device can be started according to a set program. When the charging gun homing detection circuit 230 detects that the charging gun has been homing, the self-checking control circuit 210 may respond according to the design sequence, the self-checking control circuit 210 outputs a detection signal to the charging gun base through the wire harness, and the signal passes through the charging gun wire body, and returns to the self-checking device again, and the detection circuit determines whether the charging gun line is normal by judging the received signal.
In some examples, as shown in fig. 4, the charging gun is inserted into the charging gun holder, at which time the charging gun homing detection circuit 230 may determine whether the charging gun plug and socket have been fully connected by measuring the voltage value at the harness connection point CC 1. For example, when the charging gun is not inserted into the gun seat, the voltage value at the connection point CC1 is 0V, and when the charging gun is completely connected, the voltage value at the connection point CC1 will be changed, so as to determine that the charging gun head is completely inserted into the socket.
Based on the embodiment of the application, if the gun head of the charging gun on the charging pile is inserted back into the charging gun seat, the self-checking device can perform primary homing self-checking of the charging gun, further, whether the wire of the cable inside the charging gun is broken or not can be judged through the self-checking control circuit and the detecting circuit, whether the connection abnormality problem exists or not can be judged, when the detecting circuit finds out abnormality, the abnormality information is transmitted to the station operation platform, and station operators can remotely obtain the abnormality information of the outdoor charging pile, so that the station operation efficiency and the after-sales maintenance cost can be effectively improved.
Based on the same inventive concept, the embodiment of the application also provides a charging pile for realizing the charging gun self-checking device (the self-checking device for short) related to the embodiment. The implementation of the solution provided by the charging pile is similar to that described in the self-checking device, so the specific limitations in one or more embodiments of the charging pile provided below can be referred to above for the limitations of the self-checking device, and will not be repeated here.
In one embodiment, as shown in fig. 5, there is provided a charging pile including a charging pile body and a charging gun mount provided in the charging pile body; wherein, fill electric pile still can include foretell rifle self-checking device that charges. Note that, the self-checking device in fig. 5 refers to the charging gun self-checking device.
In one embodiment, the charging stake further comprises a control unit for connecting to the station control platform; the control unit is connected with the charging gun self-checking device;
The charging gun self-checking device is used for outputting abnormal state information when detecting that the charging gun is abnormal in any detection time sequence; the control unit is used for transmitting the abnormal state information to the station control platform.
In particular, the charging stake may include a control unit, which may be referred to as a TCU (Terminal Control Unit ) within the charging stake.
In the embodiment of the application, based on the self-checking device, in any time sequence in the self-checking process, if the detecting circuit detects abnormality, the self-checking device can immediately send the abnormal state information to the TCU in the charging pile, and the TCU sends the information sent by the self-checking device to the station control platform, and at the moment, station control operators can receive the abnormal information of the charging pile of the station, thereby realizing accurate and efficient detection of the charging gun while finishing homing detection of the charging gun, and effectively improving the operation efficiency of the station and the after-sale maintenance cost.
In one embodiment, the control unit is communicatively coupled to the station platform.
Specifically, the control unit may be communicatively connected to the station platform by means of a network or by means of wireless communication.
In the embodiment of the application, based on the self-checking device, if abnormality is detected, the self-checking device can immediately send the abnormal state information to the TCU in the charging pile, and the TCU further sends the information sent by the self-checking device to the station control platform through the 4G or the wired network, and at the moment, station control operators can receive the abnormal information of the charging pile of the station.
It will be appreciated by persons skilled in the art that the structures shown in fig. 2-5 are block diagrams of only portions of structures associated with aspects of the present application and are not intended to limit the devices and apparatuses to which aspects of the present application may be applied, and that a particular device or apparatus may include more or less components than those shown, or may combine some of the components, or have a different arrangement of components.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be assessed as that of the appended claims.
Claims (9)
1. A self-test device for a charging gun, the device comprising:
The self-checking control circuit is used for outputting a detection signal to the charging gun through the gun seat wire harness when the charging gun currently meets detection conditions; the detection condition comprises that the charging gun is inserted into the charging gun seat; the detection signals comprise time sequence signals for testing the working state of the charging gun circuit;
The detection circuit is used for acquiring an electric signal generated by the charging gun circuit when the detection signal flows through the charging gun wire harness; if the charging gun is confirmed to be abnormal according to the electric signal, outputting abnormal state information; the abnormal state information is used for indicating the charging pile to output prompt information to a station control platform connected with the charging pile; the abnormal state information is used for indicating at least one of the following abnormal states: the charging gun circuit is broken, and is abnormal in connection and data detection by the detection circuit.
2. The charging gun self-test device of claim 1, wherein the timing signal comprises a power signal matching a detection timing; the electrical signal includes a voltage of the charging gun line;
The self-checking control circuit comprises a time sequence switch and a switching power supply for outputting the power supply signal; the switch power supply is connected with the gun seat wire harness through the time sequence switch; the time sequence switch is used for conducting connection between the switch power supply and the gun seat wire harness in the current detection time sequence, and disconnecting connection between the switch power supply and the gun seat wire harness in gaps between two adjacent detection time sequences.
3. The charging gun self-test device of claim 2, wherein the time switch is a relay; the switching power supply is a power switching power supply.
4. The charging gun self-test device according to claim 1, wherein the detection circuit is configured to detect an electric quantity value of the charging gun line through a connection harness, and output the abnormal state information based on the electric quantity value; the connecting wire harness comprises a connecting wire harness A+ wire and a connecting wire harness A-wire, and wire harnesses except the connecting wire harness A+ wire and the connecting wire harness A-wire in the charging gun wire harness; the electrical quantity value comprises an effective direct current voltage value of the charging gun circuit.
5. The charging gun self-test device of claim 4, wherein the detection circuit further comprises an acquisition unit and a comparison circuit;
The acquisition unit is used for measuring the resistance value of the target resistance of the charging gun circuit and outputting a resistance measured value;
The comparison circuit is used for comparing the received resistance measured value with a standard value and outputting the abnormal state information.
6. The charging gun self-test device of claim 1, wherein the detection condition comprises homing of the charging gun to the charging gun mount; the apparatus further comprises:
And the charging gun homing detection circuit is connected with the self-checking control circuit and used for detecting whether the charging gun is homing to the charging gun seat.
7. The charging pile is characterized by comprising a charging pile body and a charging gun seat arranged in the charging pile body; wherein the charging stake further comprises the charging gun self-test device of any one of claims 1 to 6.
8. The charging pile according to claim 7, characterized in that the charging pile further comprises a control unit for connecting a station control platform; the control unit is connected with the charging gun self-checking device;
the charging gun self-checking device is used for outputting the abnormal state information when detecting that the charging gun is abnormal in any detection time sequence; the control unit is used for transmitting the abnormal state information to the station control platform.
9. A charging pile according to claim 8, characterised in that the control unit is in communication with the station platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310007707.4A CN116298594B (en) | 2023-01-04 | 2023-01-04 | Charging gun self-checking device and charging pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310007707.4A CN116298594B (en) | 2023-01-04 | 2023-01-04 | Charging gun self-checking device and charging pile |
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| CN116298594A CN116298594A (en) | 2023-06-23 |
| CN116298594B true CN116298594B (en) | 2024-06-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118578926B (en) * | 2024-08-07 | 2024-10-29 | 杭州富阳中恒电气有限公司 | DC charging pile on-line monitoring method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207291701U (en) * | 2017-07-31 | 2018-05-01 | 青岛特来电新能源有限公司 | A kind of charging pile |
| CN114113833A (en) * | 2021-11-11 | 2022-03-01 | 阳光电源股份有限公司 | Charging pile and charging pile line detection method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125889B (en) * | 2021-04-21 | 2023-06-30 | 阳光电源股份有限公司 | Charging pile and testing device, system and method thereof |
| CN114295906A (en) * | 2021-11-19 | 2022-04-08 | 国网电动汽车服务有限公司 | Portable charging pile operation and maintenance patrol instrument, intelligent client, operation and maintenance method and system |
| CN114851876A (en) * | 2022-04-12 | 2022-08-05 | 深圳市道通合创新能源有限公司 | Gun returning maintenance method and device for charging pile, charging pile and medium |
| CN114771317A (en) * | 2022-05-25 | 2022-07-22 | 上海瑞浦青创新能源有限公司 | Charging device and connection detection method and charging method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207291701U (en) * | 2017-07-31 | 2018-05-01 | 青岛特来电新能源有限公司 | A kind of charging pile |
| CN114113833A (en) * | 2021-11-11 | 2022-03-01 | 阳光电源股份有限公司 | Charging pile and charging pile line detection method and device |
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Address after: 511458 room 409-a156, a157, No. 1, Mingzhu 1st Street, Hengli Town, Nansha District, Guangzhou City, Guangdong Province Applicant after: China Southern Power Grid Industry Investment Group Co.,Ltd. Applicant after: Southern Power Grid Electric Vehicle Service Co.,Ltd. Applicant after: Yonglian Technology (Changshu) Co.,Ltd. Address before: 511458 room 409-a156, a157, No. 1, Mingzhu 1st Street, Hengli Town, Nansha District, Guangzhou City, Guangdong Province Applicant before: China Southern Power Grid Industry Investment Group Co.,Ltd. Applicant before: Southern Power Grid Electric Vehicle Service Co.,Ltd. Applicant before: Yonglian smart energy technology (Changshu) Co.,Ltd. |
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