CN220626499U - Alternating current charging signal acquisition device and charging system - Google Patents
Alternating current charging signal acquisition device and charging system Download PDFInfo
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- CN220626499U CN220626499U CN202321846968.7U CN202321846968U CN220626499U CN 220626499 U CN220626499 U CN 220626499U CN 202321846968 U CN202321846968 U CN 202321846968U CN 220626499 U CN220626499 U CN 220626499U
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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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Abstract
The present disclosure relates to an alternating current charging signal acquisition device and charging system, the alternating current charging signal acquisition device includes: the embodiment of the disclosure leads out the charging related test signal of the alternating-current charging pile through the alternating-current signal acquisition terminal strip and the low-voltage signal acquisition terminal strip, so that the portable universal instrument can be connected to perform the alternating-current charging related signal index test, the special alternating-current charging test equipment which is large in size, heavy and expensive is avoided, and the problems that the special test equipment is required to be used in the charging test of the alternating-current charging pile, the carrying is inconvenient and the cost is high are solved.
Description
Technical Field
The disclosure relates to the field of charging test technology, and in particular relates to an alternating current charging signal acquisition device and a charging system.
Background
The domestic automobile technology is continuously developed, the electric automobile is higher and higher in duty ratio, development and test work related to charging are more and more frequent, the test of an alternating-current charging process is related to the development of work among different charging stations and even cities, and in the alternating-current charging process, testers need to collect related alternating-current charging voltages, currents, interaction signals and the like so as to enable automobile developers and alternating-current charging pile developers to analyze and subsequently improve.
In the existing technology for collecting relevant information such as voltage, current, interaction signals and the like in the alternating current charging process, a common technical scheme needs to use special equipment, such as an alternating current charging tester. However, the special alternating current testing equipment has the problems of heavy weight, large volume, inconvenient carrying, high purchase cost and the like.
Disclosure of Invention
In order to overcome the problems existing in the related art, the present disclosure provides an alternating current charging signal acquisition device and a charging system, which can solve the problems of inconvenient carrying and high cost of special equipment used in the prior art of the alternating current charging test of an electric automobile.
According to a first aspect of embodiments of the present disclosure, there is provided an ac charging signal acquisition apparatus, including: an alternating current signal acquisition socket, an alternating current signal acquisition plug and a connecting cable;
the alternating current signal acquisition socket is used for connecting a charging gun plug of the alternating current charging pile and comprises an alternating current signal terminal and a low-voltage signal terminal;
the alternating current signal acquisition plug is used for being connected with a charging socket, and the charging socket comprises a battery connection socket of an electric vehicle or a socket of a dummy load for testing;
the connecting cable is used for connecting the alternating current signal acquisition socket and the alternating current signal acquisition plug and is used for signal transmission between the alternating current signal acquisition socket and the alternating current signal acquisition plug.
Optionally, the apparatus further comprises: an alternating current signal acquisition terminal block and an alternating current signal connecting wire;
the alternating current signal acquisition terminal strip is connected with the alternating current signal terminal of the alternating current signal acquisition socket through the alternating current signal connecting wire and is used for externally connecting alternating current signal testing equipment, and the alternating current signal testing equipment comprises: ac voltmeters and/or oscilloscopes.
Optionally, the apparatus further comprises: the low-voltage signal acquisition terminal block and the low-voltage signal connecting line;
the low-voltage signal acquisition terminal strip is connected with the low-voltage signal terminal of the alternating current signal acquisition socket through the low-voltage signal connecting wire and is used for externally connecting low-voltage signal testing equipment, and the low-voltage signal testing equipment comprises: at least one of an oscilloscope, an alternating current voltmeter and a PWM signal detector.
Optionally, the ac signal terminal includes: a first ac signal terminal, a second ac signal terminal, a third ac signal terminal, and a neutral terminal;
the first alternating current signal terminal is used for connecting a first phase voltage of alternating current charging voltage of the charging gun plug and inputting the alternating current charging first phase voltage of the alternating current charging pile to the alternating current signal acquisition plug and the alternating current signal acquisition terminal strip;
the second phase alternating current signal terminal is used for connecting a second phase voltage of the alternating current charging voltage of the charging gun plug and inputting the alternating current charging second phase voltage of the alternating current charging pile to the alternating current signal acquisition plug and the alternating current signal acquisition terminal row;
the third phase alternating current signal terminal is used for connecting a third phase voltage of alternating current charging voltage of the charging gun plug and inputting the third phase voltage of alternating current charging of the alternating current charging pile to the alternating current signal acquisition plug and the alternating current signal acquisition terminal row;
and the neutral line terminal is connected with a neutral line terminal of the charging gun plug and is used for outputting the neutral line of the alternating current charging pile.
Optionally, the low voltage signal terminal includes: a control pilot signal terminal;
the control guide signal terminal is used for being connected with the alternating current charging control guide terminal of the charging gun plug and is used for inputting communication messages of alternating current charging control guide of the alternating current charging pile to the alternating current signal acquisition plug and the low-voltage signal acquisition terminal strip.
Optionally, the low voltage signal terminal further comprises: a charge connection confirmation signal terminal and a ground terminal;
the charging connection confirmation signal terminal is used for connecting with an alternating current charging connection confirmation signal terminal of the charging gun plug and inputting an alternating current charging connection confirmation signal of the alternating current charging pile to the alternating current signal acquisition plug and the low-voltage signal acquisition terminal row;
the grounding terminal is used for being connected with the equipment grounding terminal of the charging gun plug and the electric platform ground of the alternating current signal acquisition plug, and is used for inputting grounding signals to the alternating current signal acquisition plug and the low-voltage signal acquisition terminal.
Optionally, the control guidance signal includes a voltage value of the charging connection confirmation signal, and the control guidance signal is used for ac charging power connection confirmation.
Optionally, the equipment ground end of the charging gun plug is connected with the charging connection confirmation signal terminal of the low-voltage signal terminal of the alternating current signal acquisition socket through a first resistor, a second resistor and a switch connected with the first resistor in parallel in sequence.
Optionally, the ac charging signal acquisition device further includes: an electronic locking device and an electronic locking/unlocking button;
the electronic locking device is an electronic locking device and is positioned above the alternating current signal acquisition plug and used for locking the alternating current signal acquisition plug and the charging socket;
the electronic locking/unlocking button is a push button, is positioned above the alternating current charging signal acquisition device and close to one side of the alternating current signal acquisition plug, and is used for popping up or retracting a lock tongue of the electronic locking device when being pressed down so as to lock or unlock the alternating current signal acquisition plug and the charging socket.
According to a second aspect of embodiments of the present disclosure, there is provided a charging system comprising: an ac charging stake and an ac charging signal acquisition device of any one of the first aspects.
In summary, an embodiment of the present disclosure provides an ac charging signal acquisition device, including: an alternating current signal acquisition socket, an alternating current signal acquisition plug and a connecting cable; the alternating current signal acquisition socket is used for connecting a charging gun plug of the alternating current charging pile and comprises an alternating current signal terminal and a low-voltage signal terminal; the alternating current signal acquisition plug is used for being connected with a charging socket, and the charging socket comprises a battery connection socket of an electric vehicle or a socket of a dummy load for testing; the connecting cable is used for connecting the alternating current signal acquisition socket and the alternating current signal acquisition plug and is used for signal transmission between the alternating current signal acquisition socket and the alternating current signal acquisition plug. According to the embodiment of the disclosure, the AC signal collection terminal strip and the low-voltage signal collection terminal strip are used for leading out the AC charging pile charging related test signals, so that the portable universal instrument can be connected to conduct AC charging related signal testing, the special AC charging test equipment which is large in size and heavy and expensive is avoided, and the problems that the special AC charging test equipment is required to be used in the AC charging pile charging test, the carrying is inconvenient and the cost is high are solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic illustration of a usage scenario for a dedicated AC charging stake testing device in accordance with an exemplary embodiment;
FIG. 2 is a schematic illustration of a usage scenario of an AC charging signal acquisition device, according to an exemplary embodiment;
FIG. 3 is a schematic diagram of an AC charging signal acquisition device, according to an exemplary embodiment;
FIG. 4 is a schematic diagram of an AC signal pickup receptacle terminal and an AC signal pickup plug terminal, according to an exemplary embodiment;
FIG. 5 is a schematic diagram illustrating the electrical connection of an AC charging signal acquisition device according to an exemplary embodiment;
fig. 6 is a schematic diagram illustrating an electrical connection interface between an ac charging signal acquisition device and an ac charging stake and a vehicle according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
It should be noted that, all actions for acquiring signals, information or data in the present application are performed under the condition of conforming to the corresponding data protection rule policy of the country of the location and obtaining the authorization given by the owner of the corresponding device.
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure have been shown in the accompanying drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be understood that the various steps recited in the method embodiments of the present disclosure may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments. Related definitions of other terms will be given in the description below.
It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise. The present disclosure is described below in connection with specific embodiments.
First, an application scenario of the present disclosure will be described. Fig. 1 is a schematic view of a usage scenario of a special test device for an ac charging post, as shown in fig. 1, when a charging test is required for the ac charging post, the special test device is connected between the ac charging post and a dummy load for testing, a charging gun of the ac charging post is connected to the special test device, such as an ac charging tester, and then the ac charging tester is connected to the dummy load through a double-ended ac charging connection line. The communication message in the charging process, the signals such as voltage and current can be collected and analyzed through the alternating current charging tester. However, the special charging test equipment has the problems of large volume, heavy weight, inconvenient carrying and high cost, and the portability of the special charging test equipment for the alternating current charging piles and the low cost become the problems to be solved urgently because of the numerous alternating current charging piles and wide distribution.
Fig. 2 is a schematic view of a usage scenario of an ac charging signal collecting device according to an exemplary embodiment, as shown in fig. 2, the embodiment of the disclosure provides an ac charging signal collecting device, which is connected to a charging gun of an ac charging pile and a charging line of an electric vehicle, and can lead out relevant signals in a charging process of the ac charging pile through a wiring terminal row, and connect to different portable test devices, such as a handheld ac voltmeter, an ammeter, a bus analyzer, etc., to perform relevant tests, thereby avoiding using special ac charging test devices which are large, heavy and expensive, and further solving the problems of inconvenient carrying and high cost caused by using special ac test devices in the charging test of the ac charging pile.
Fig. 3 is a schematic diagram of an ac charging signal acquisition device according to an exemplary embodiment, and as shown in fig. 3, an embodiment of the disclosure provides an ac charging signal acquisition device, including: an alternating current signal acquisition socket 10, an alternating current signal acquisition plug 20 and a connecting cable 30.
The alternating current signal acquisition socket 10 is used for connecting a charging gun plug of an alternating current charging pile, and the alternating current signal acquisition socket 10 comprises an alternating current signal terminal and a low-voltage signal terminal;
the ac signal collecting plug 20 is used for connecting with a charging socket, and the charging socket comprises a battery connecting socket of an electric vehicle or a socket of a dummy load for testing;
the connection cable 30 is used for connecting the ac signal collection socket 10 and the ac signal collection plug 20, and is used for signal transmission between the ac signal collection socket 10 and the ac signal collection plug 20.
In summary, an embodiment of the present disclosure provides an ac charging signal acquisition device, including: the alternating current signal acquisition socket, alternating current signal acquisition plug, connecting cable, alternating current signal acquisition socket is used for connecting the rifle plug that charges of alternating current charging stake, alternating current signal acquisition socket includes alternating current signal terminal and low voltage signal terminal, alternating current signal acquisition plug is used for connecting the socket that charges, the socket that charges includes electric vehicle's battery connection socket or test and use the socket of dummy load, connecting cable is used for connecting alternating current signal acquisition socket with alternating current signal acquisition plug for alternating current signal acquisition socket with signal transmission between the alternating current signal acquisition plug, the alternating current charging signal acquisition device of this disclosed embodiment can be through alternating current signal acquisition terminal row and low voltage signal acquisition terminal row with alternating current charging stake charge relevant test signal draws forth to can connect portable, general instrument to carry out alternating current charging relevant signal test, avoided using the special alternating current charging test equipment of great and expensive of volume, thereby solved and used alternating current charging stake and used the special test equipment of alternating current in the test, inconvenient carrying, problem with high costs.
In some embodiments, the apparatus further comprises: an ac signal collection terminal block 40 and an ac signal connection line 50; the ac signal collecting terminal block 40 is connected to an ac signal terminal of the ac signal collecting socket 10 through an ac signal connection line 50, and is used for externally connecting an ac signal testing device, which may include: oscilloscopes and/or ac voltmeters. The meters can be low-cost universal test meters or portable meters, and the charging parameter measurement is carried out by the charging test signals of the alternating-current charging piles provided by the alternating-current charging signal acquisition device, so that the problems that the special alternating-current charging test equipment is required to be used in the charging test of the alternating-current charging piles, the carrying is inconvenient and the cost is high are solved.
In some embodiments, the apparatus further comprises: a low voltage signal acquisition terminal block 60 and a low voltage signal connection line 70; the low voltage signal collecting terminal block 60 is connected to a low voltage signal terminal of the ac signal collecting socket 10 through a low voltage signal connection line 70, and is used for externally connecting a low voltage signal testing device, which may include: at least one of an oscilloscope, an alternating current voltmeter and a PWM signal detector. The meters can be low-cost universal test meters or portable meters, and the charging parameter measurement is carried out by the charging test signals of the alternating-current charging piles provided by the alternating-current charging signal acquisition device, so that the problems that the special alternating-current charging test equipment is required to be used in the charging test of the alternating-current charging piles, the carrying is inconvenient and the cost is high are solved.
In summary, an embodiment of the present disclosure provides an ac charging signal acquisition device, including: the alternating current signal acquisition socket is used for being connected with a charging gun plug of the alternating current charging pile, the alternating current signal acquisition socket comprises an alternating current signal terminal and a low-voltage signal terminal, the alternating current signal acquisition plug is used for being connected with a charging socket, the charging socket comprises a battery connection socket of an electric vehicle or a socket of a false load for testing, the connecting cable is used for being connected with the alternating current signal acquisition socket and the alternating current signal acquisition plug, the alternating current signal acquisition terminal is used for being connected with an alternating current signal terminal of the alternating current signal acquisition socket through the alternating current signal connection wire, and is used for being externally connected with alternating current signal testing equipment, and the low-voltage signal acquisition terminal is connected with the low-voltage signal terminal of the alternating current signal acquisition socket through the low-voltage signal connection wire, and is used for being externally connected with the low-voltage signal testing equipment. According to the alternating current charging signal acquisition device, the alternating current charging pile charging related test signals are led out through the alternating current signal acquisition terminal block and the low-voltage signal acquisition terminal block, so that the portable and general instrument can be connected to conduct alternating current charging related signal testing, the special alternating current charging test equipment which is large in size and heavy and expensive is avoided, and the problems that the special alternating current charging test equipment is inconvenient to carry and high in cost is needed in the alternating current charging pile charging test are solved.
In some embodiments, the ac charging signal acquisition device further comprises: an electronic locking device (not shown in the drawings) and an electronic locking/unlocking button 80, wherein the electronic locking device is an electronic locking device and is located above the ac signal acquisition plug 20 and is used for locking the ac signal acquisition plug 20 and a charging socket (such as a battery charging seat of an electric vehicle), the electronic locking/unlocking button 80 is a push button and is located above the ac charging signal acquisition device and is close to one side of the ac signal acquisition plug 20, and is used for popping up or retracting a lock tongue 90 of the electronic locking device when being pushed down so as to unlock the ac signal acquisition plug 20 and the charging socket (such as the battery charging seat of the electric vehicle). The locking and unlocking of the ac signal collecting plug 20 and the charging socket are performed by using the mature electronic locking device and the electronic locking/unlocking button 80 in cooperation, so that the connection tightness and reliability of the plug and the socket can be enhanced.
Fig. 4 is a schematic diagram of an ac signal pickup socket terminal and an ac signal pickup plug terminal according to an exemplary embodiment, and fig. 5 is an electrical connection schematic diagram of an ac charging signal pickup device according to an exemplary embodiment, as shown in fig. 4-5, the ac signal terminal includes:
a first ac signal terminal L1, a second ac signal terminal L2, a third ac signal terminal L3, and a neutral terminal N.
The first ac signal terminal L1 is used for connecting a first phase voltage of an ac charging voltage of the charging gun plug, and is used for inputting the ac charging first phase voltage of the ac charging pile to the ac signal acquisition plug 20 and the ac signal acquisition terminal block 40.
The second phase ac signal terminal L2 is used for connecting a second phase voltage of an ac charging voltage of the charging gun plug, and is used for inputting an ac charging second phase voltage of the ac charging pile to the ac signal acquisition plug 20 and the ac signal acquisition terminal block 40.
The third phase ac signal terminal L3 is used for connecting a third phase voltage of the ac charging voltage of the charging gun plug, and is used for inputting the ac charging third phase voltage of the ac charging pile to the ac signal acquisition plug 20 and the ac signal acquisition terminal block 40.
The neutral line terminal N is connected with a neutral line terminal of the charging gun plug and is used for neutral line output of the alternating-current charging pile.
In some embodiments, the low voltage signal terminal comprises: the pilot signal terminal CP is controlled.
The control pilot signal terminal CP is used for connecting with an ac charging control pilot terminal of the charging gun plug, and is used for inputting communication messages of ac charging control pilot of the ac charging pile to the ac signal acquisition plug 20 and the low-voltage signal acquisition terminal block 60.
For example, it may be determined whether the ac charging stake is properly powered up and whether the electric vehicle is properly drawing the ac charging voltage based on the control guidance signal.
In some embodiments, the low voltage signal terminal further comprises: a charge connection confirmation signal terminal CC and a ground terminal PE;
the charging connection confirmation signal terminal CC is used for connecting with an ac charging connection confirmation signal terminal of the charging gun plug, and inputting an ac charging connection confirmation signal of the ac charging pile to the ac signal acquisition plug 20 and the low voltage signal acquisition terminal block 60;
the ground terminal PE is used for connecting to a device ground terminal of the charging gun plug and to an electrical platform ground of the ac signal collection plug 20, for inputting a ground signal to the ac signal collection plug 20 and the low voltage signal collection terminal block 60.
Illustratively, the control pilot signal includes a voltage value of the charging connection confirmation signal, the control pilot signal being used for ac charging power connection confirmation.
Fig. 6 is a schematic diagram showing an electrical connection interface between an ac charging signal collection device and an ac charging pile, and between the ac charging signal collection device and a vehicle, and as shown in fig. 6, the ground terminal of the charging gun plug is connected to the charging connection confirmation signal terminal CC of the low voltage signal terminal of the ac signal collection socket 10 through the first resistor R4 and the second resistor RC connected in series in sequence, and the switch S3 connected in parallel to the first resistor R4.
For example, in the case where the ac charging pile is not properly powered up, if the switch S3 is in the closed state at this time, the charging connection confirmation signal terminal CC is pulled to the ground by the second resistor RC and assumes the low level state, and in the case where the ac charging pile is properly powered up, the charging connection confirmation signal terminal CC assumes the high level state.
In summary, an embodiment of the present disclosure provides an ac charging signal acquisition device, including: an alternating current signal acquisition socket, an alternating current signal acquisition plug and a connecting cable; the alternating current signal acquisition socket is used for connecting a charging gun plug of the alternating current charging pile and comprises an alternating current signal terminal and a low-voltage signal terminal; the alternating current signal acquisition plug is used for being connected with a charging socket, and the charging socket comprises a battery connection socket of an electric vehicle or a socket of a dummy load for testing; the connecting cable is used for connecting the alternating current signal acquisition socket and the alternating current signal acquisition plug and is used for signal transmission between the alternating current signal acquisition socket and the alternating current signal acquisition plug. The apparatus further comprises: an alternating current signal acquisition terminal block and an alternating current signal connecting wire; the low-voltage signal acquisition terminal row and low-voltage signal connecting wire. According to the embodiment of the disclosure, the AC signal collection terminal strip and the low-voltage signal collection terminal strip are used for leading out the AC charging pile charging related test signals, so that the portable and general instrument can be connected to conduct AC charging related signal testing, the special AC charging test equipment which is large in size and heavy and expensive is avoided, and the problems that the special AC test equipment is required to be used in the AC charging pile charging test, the carrying is inconvenient and the cost is high are solved.
In some embodiments, the disclosed embodiments also provide a charging system comprising: an alternating current charging pile and an alternating current charging signal acquisition device as described above.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An ac charging signal acquisition device, comprising: an alternating current signal acquisition socket, an alternating current signal acquisition plug and a connecting cable;
the alternating current signal acquisition socket is used for connecting a charging gun plug of the alternating current charging pile and comprises an alternating current signal terminal and a low-voltage signal terminal;
the alternating current signal acquisition plug is used for being connected with a charging socket, and the charging socket comprises a battery connection socket of an electric vehicle or a socket of a dummy load for testing;
the connecting cable is used for connecting the alternating current signal acquisition socket and the alternating current signal acquisition plug and is used for signal transmission between the alternating current signal acquisition socket and the alternating current signal acquisition plug.
2. The ac charging signal acquisition device of claim 1, wherein the device further comprises: an alternating current signal acquisition terminal block and an alternating current signal connecting wire;
the alternating current signal acquisition terminal strip is connected with the alternating current signal terminal of the alternating current signal acquisition socket through the alternating current signal connecting wire and is used for externally connecting alternating current signal testing equipment, and the alternating current signal testing equipment comprises: ac voltmeters and/or oscilloscopes.
3. The ac charging signal acquisition device of claim 2, wherein the device further comprises: the low-voltage signal acquisition terminal block and the low-voltage signal connecting line;
the low-voltage signal acquisition terminal strip is connected with the low-voltage signal terminal of the alternating current signal acquisition socket through the low-voltage signal connecting wire and is used for externally connecting low-voltage signal testing equipment, and the low-voltage signal testing equipment comprises: at least one of an oscilloscope, an alternating current voltmeter and a PWM signal detector.
4. The ac charging signal acquisition device of claim 2, wherein the ac signal terminal comprises: a first ac signal terminal, a second ac signal terminal, a third ac signal terminal, and a neutral terminal;
the first alternating current signal terminal is used for connecting a first phase voltage of alternating current charging voltage of the charging gun plug and inputting the alternating current charging first phase voltage of the alternating current charging pile to the alternating current signal acquisition plug and the alternating current signal acquisition terminal strip;
the second phase alternating current signal terminal is used for connecting a second phase voltage of the alternating current charging voltage of the charging gun plug and inputting the alternating current charging second phase voltage of the alternating current charging pile to the alternating current signal acquisition plug and the alternating current signal acquisition terminal row;
the third phase alternating current signal terminal is used for connecting a third phase voltage of alternating current charging voltage of the charging gun plug and inputting the third phase voltage of alternating current charging of the alternating current charging pile to the alternating current signal acquisition plug and the alternating current signal acquisition terminal row;
and the neutral line terminal is connected with a neutral line terminal of the charging gun plug and is used for outputting the neutral line of the alternating current charging pile.
5. The ac charging signal acquisition device of claim 3, wherein the low voltage signal terminal comprises: a control pilot signal terminal;
the control guide signal terminal is used for being connected with the alternating current charging control guide terminal of the charging gun plug and is used for inputting communication messages of alternating current charging control guide of the alternating current charging pile to the alternating current signal acquisition plug and the low-voltage signal acquisition terminal strip.
6. The ac charging signal acquisition device of claim 5, wherein the low voltage signal terminal further comprises: a charge connection confirmation signal terminal and a ground terminal;
the charging connection confirmation signal terminal is used for connecting with an alternating current charging connection confirmation signal terminal of the charging gun plug and inputting an alternating current charging connection confirmation signal of the alternating current charging pile to the alternating current signal acquisition plug and the low-voltage signal acquisition terminal row;
the grounding terminal is used for being connected with the equipment grounding terminal of the charging gun plug and the electric platform ground of the alternating current signal acquisition plug, and is used for inputting grounding signals to the alternating current signal acquisition plug and the low-voltage signal acquisition terminal.
7. The ac charging signal acquisition device of claim 6, wherein the control guidance signal comprises a voltage value of the charging connection confirmation signal, the control guidance signal being used for ac charging power connection confirmation.
8. The ac charging signal acquisition device of claim 6, wherein the device ground of the charging gun plug is connected to the charging connection confirmation signal terminal of the low voltage signal terminal of the ac signal acquisition socket through a first resistor and a second resistor connected in series in sequence and a switch connected in parallel with the first resistor.
9. The ac charging signal acquisition device of any one of claims 1-8, further comprising: an electronic locking device and an electronic locking/unlocking button;
the electronic locking device is an electronic locking device and is positioned above the alternating current signal acquisition plug and used for locking the alternating current signal acquisition plug and the charging socket;
the electronic locking/unlocking button is a push button, is positioned above the alternating current charging signal acquisition device and close to one side of the alternating current signal acquisition plug, and is used for popping up or retracting a lock tongue of the electronic locking device when being pressed down so as to lock or unlock the alternating current signal acquisition plug and the charging socket.
10. A charging system, comprising: an ac charging stake and an ac charging signal acquisition device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321846968.7U CN220626499U (en) | 2023-07-13 | 2023-07-13 | Alternating current charging signal acquisition device and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321846968.7U CN220626499U (en) | 2023-07-13 | 2023-07-13 | Alternating current charging signal acquisition device and charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220626499U true CN220626499U (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321846968.7U Active CN220626499U (en) | 2023-07-13 | 2023-07-13 | Alternating current charging signal acquisition device and charging system |
Country Status (1)
| Country | Link |
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| CN (1) | CN220626499U (en) |
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2023
- 2023-07-13 CN CN202321846968.7U patent/CN220626499U/en active Active
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