CN218824646U - Liquid cooling charging test system and device - Google Patents
Liquid cooling charging test system and device Download PDFInfo
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- CN218824646U CN218824646U CN202222916886.7U CN202222916886U CN218824646U CN 218824646 U CN218824646 U CN 218824646U CN 202222916886 U CN202222916886 U CN 202222916886U CN 218824646 U CN218824646 U CN 218824646U
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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
Abstract
The application provides a liquid cooling charging test system and device relates to liquid cooling charging technical field. This liquid cooling test system that charges includes: the device comprises a charging gun seat, a charging gun head, a transmission cable, a liquid cooling module and a wire breaking module; the rifle seat that charges passes through the transmission cable with the rifle head that charges and connects, wherein, the transmission cable includes: the charging gun comprises a power cable and a signal cable, wherein the charging gun seat is used for connecting a liquid-cooling charging pile gun head, and the charging gun head is used for connecting an electric automobile charging gun seat; the liquid cooling module includes: the liquid cooling unit and a liquid cooling pipe connected with the liquid cooling unit are arranged around the power cable; the signal cable is provided with a disconnection module. This application can be under the circumstances of the charging cable that does not destroy original electric pile that fills, realize the broken string simulation to liquid cooling charging process.
Description
Technical Field
The application relates to the technical field of liquid cooling charging, in particular to a liquid cooling charging test system and device.
Background
With the rapid development of the new energy automobile industry, electric automobiles are continuously updated and replaced, the technology of storage batteries is continuously broken through, and high-power rapid charging is the future development direction of electric automobiles.
In order to solve the problem that the heating value of a charging gun is increased when the charging power of the charging pile is improved, the liquid cooling charging technology enters a research and development stage, and the simulation of the disconnection fault in the liquid cooling charging process is very important in the research and development and production processes of the liquid cooling technology.
In the existing liquid cooling charging process, if the transmission cable needs to be subjected to disconnection simulation, the mode of damaging the transmission cable can be adopted, and large-scale disconnection simulation of the transmission cable is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of this application lies in, to the not enough among the above-mentioned prior art, provides a liquid cooling test system and device that charges to do not destroy under the original circumstances of filling the electric pile's the charging cable, realize the broken string simulation to liquid cooling charging process.
In order to achieve the above purpose, the embodiments of the present application adopt the following technical solutions:
in a first aspect, an embodiment of the present application provides a liquid cooling charging test system, the liquid cooling charging test system includes: the device comprises a charging gun seat, a charging gun head, a transmission cable, a liquid cooling module and a disconnection module;
the rifle seat that charges passes through the transmission cable with the rifle head that charges is connected, wherein, the transmission cable includes: the charging gun comprises a power cable and a signal cable, wherein the charging gun seat is used for connecting a liquid-cooling charging pile gun head, and the charging gun head is used for connecting an electric automobile charging gun seat;
the liquid cooling module includes: the liquid cooling unit and a liquid cooling pipe connected with the liquid cooling unit are attached to each other along the power cable;
the signal cable is provided with the disconnection module.
Optionally, the wire breaking module includes: a plurality of switching units, the signal cable including a plurality of strips; wherein, each signal cable is provided with one switch unit.
Optionally, the liquid cooling charging test system further includes: and the signal processing modules are respectively connected to two ends of each switch unit.
Optionally, the liquid cooling charging test system further includes: a state alarm module;
the state warning module is connected with the liquid cooling unit.
Optionally, the liquid cooling charging test system further includes: the device comprises an electrical parameter sampling module and an electrical parameter display module;
the electrical parameter sampling module is connected in series on the power cable;
the electrical parameter display module is connected with the electrical parameter sampling module.
Optionally, the liquid cooling charging test system further includes: the temperature sampling module and the temperature display module;
the temperature sampling module is arranged at one end, close to the charging gun head, of the power cable;
the temperature display module is connected with the temperature sampling module.
Optionally, the liquid cooling charging test system further includes: a temperature alarm module;
the temperature warning module is connected with the temperature display module.
Optionally, the liquid cooling charging test system further includes: starting a switch;
the starting switch is connected with the liquid cooling unit.
Optionally, the liquid cooling charging test system further includes: a power supply and a power switch;
one end of the power switch is connected with the power supply, and the other end of the power switch is connected with a plurality of power utilization modules in the liquid cooling charging test system.
In a second aspect, an embodiment of the present application further provides a liquid cooling charging test device, where the liquid cooling charging test device includes any one of the first aspect, a charging gun seat of the liquid cooling charging test system is connected to a liquid cooling charging gun head, and the charging gun head of the liquid cooling charging test system is connected to a charging gun seat of an electric vehicle.
The beneficial effect of this application is:
the application provides a liquid cooling test system and device that charges, fill electric pile rifle head through the liquid cooling that charges the stack connection of the rifle that charges, the electric automobile that charges stack is connected through the rifle head that charges, the rifle seat that charges is connected with the rifle head that charges through the transmission cable, with the liquid cooling pipe in the liquid cooling module along the power cable laminating setting between the rifle seat that charges and the rifle head that charges, cool down the processing to the power cable in the liquid cooling charging process, set up the broken string module on the signal cable between the rifle seat that charges and the rifle head that charges, carry out the broken string with the control signal cable, need not to carry out the broken string operation to the original charging cable that fills electric pile of filling, realize the test of charging in the liquid cooling charging process better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a liquid-cooled charging test system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a liquid cooling module functional area according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a signal cable functional area according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of an electrical parameter function region provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a temperature display functional region according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a power switch provided in this embodiment;
fig. 7 is a schematic structural diagram of a liquid-cooled charging test apparatus according to an embodiment of the present disclosure;
fig. 8 is a schematic flow chart illustrating a method for using a liquid-cooled charging test system according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Furthermore, the terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.
With the rapid development of the new energy automobile industry at home and abroad, electric automobiles are continuously updated, the equipment requirements for testing the charging and discharging functions of the electric automobiles are gradually increased, and due to the rapid development of high-power charging and the increasing requirements for high-voltage and high-current charging at present, the Chaoji charging and the GB2015+ liquid cooling charging in the research and development stage are expected to become the technical trend of the liquid cooling direct current quick charging in the future.
In response to the future liquid cooling charging test requirements, the portable liquid cooling charging test system and device can well help the vehicle enterprises or the industry to jointly carry out the work of wire breaking simulation control operation of liquid cooling charging of the electric vehicle, acquisition of related test signals and the like, and better meet the simple test requirements in the liquid cooling charging process of the electric vehicle.
At present, the liquid cooling charging technology is in a pre-research stage, a test system for performing disconnection simulation in the liquid cooling charging process is not provided, although some methods or devices for disconnection simulation exist in the market, the methods or devices obviously cannot meet the basic requirements of liquid cooling charging with higher power level and current level.
Therefore, this application plans to provide a liquid cooling charging test system and device, it fills electric pile rifle head to connect current liquid cooling through the rifle seat that charges, the rifle seat that charges through the rifle head that charges of charging, through the power cable setting around the liquid cooling pipe in the liquid cooling module between the rifle seat of charging and the rifle head that charges, cool down the processing to the power cable in the liquid cooling charging process, through set up the broken string module on the signal cable between the rifle seat that charges and the rifle head that charges, carry out the broken string with the control signal cable, need not to carry out the broken string operation to the charging cable who fills electric pile originally, realize the charging test in the large-scale liquid cooling charging process better.
Referring to fig. 1, a schematic structural diagram of a liquid-cooling charging test system according to an embodiment of the present application is shown in fig. 1, where the liquid-cooling charging test system includes: the rifle seat that charges 11, rifle head 12, transmission cable, liquid cooling module and broken string module 13.
The liquid cooling module includes: the liquid cooling unit 16 and the liquid cooling pipe 17 connected with the liquid cooling unit 16, wherein the liquid cooling pipe 17 is attached along the power cable 14; the signal cable 15 is provided with a disconnection module 13.
Generally, the charging gun head of the liquid cooling charging pile is connected to a charging gun seat of an electric vehicle through a charging cable to carry out liquid cooling charging, when the liquid cooling charging process needs to be subjected to a disconnection test, only an insulating sheath of the charging cable can be peeled off, the charging cable is physically cut off to carry out the disconnection test, so that the liquid cooling charging working condition during disconnection is mastered, but the disconnection test mode cannot be used in a large range.
In this embodiment, the charging gun base 11 and the charging gun head 12 are arranged in the liquid cooling charging test system, wherein the charging gun head of the liquid cooling charging pile is not directly connected to the electric vehicle charging gun base, but is connected to the charging gun base 11 of the liquid cooling charging test system through a charging cable, and is connected to the electric vehicle charging gun base through the charging gun head 12 of the liquid cooling charging test system, the charging gun base 11 and the charging gun head 12 are connected through a transmission cable, that is, the charging gun base 11, the transmission cable and the charging gun head 12 are arranged on the liquid cooling charging test system, and the liquid cooling charging pile is connected with the electric vehicle charging gun base, so that the liquid cooling charging pile charges an electric vehicle through the liquid cooling charging test system.
Wherein, at the in-process that carries out high-power charging through liquid cooling charging test system, need use the liquid cooling module to cool down for power cable 14 in the transmission cable, it is specific, the liquid cooling unit 16 of liquid cooling module includes transfusion mouth and liquid return mouth, the both ends of liquid cooling pipe 17 communicate with transfusion mouth and liquid return mouth respectively, liquid cooling pipe 17 sets up along the laminating of whole power cable 14, the coolant liquid in the liquid cooling unit 16 is exported from transfusion mouth, flow in liquid cooling pipe 17, flow back to liquid cooling unit 16 through liquid return mouth in to power cable 14 to the laminating of liquid cooling pipe 17 cools down.
For example, please refer to fig. 2, which is a schematic structural diagram of a liquid cooling module functional area provided in an embodiment of the present application, as shown in fig. 2, the power cable 14 includes a positive power cable DC + and a negative power cable DC-, and the liquid cooling tube 17 is used for liquid infusion through the positive power cable DC + and liquid return through the negative power cable DC-.
A disconnection part is arranged between the signal cables 15, the disconnection module 13 is connected to the disconnection part, and the connection and disconnection of the signal cables 15 can be controlled by controlling the connection and disconnection of the disconnection module 13. When a disconnection test is required, the disconnection module 13 is used for controlling the disconnection of the signal cable 15 and checking the charging working condition of the electric automobile after the signal cable is disconnected, so that the simulation of the disconnection fault working condition in the liquid cooling charging process is realized.
The liquid cooling test system that charges that above-mentioned embodiment provided, fill electric pile rifle head through the liquid cooling of charging the stack connection, the electric automobile stack that charges through the rifle head that charges is connected, the stack that charges is connected with the rifle head that charges through the transmission cable, with the liquid cooling pipe in the liquid cooling module along filling the power cable laminating setting between some stack and the rifle head that charges, cool down the processing to the power cable in the liquid cooling charging process, set up the broken string module on the signal cable between the stack that charges and the rifle head that charges, carry out the broken string with the control signal cable, need not to fill the original charging cable who fills electric pile and carry out the broken string operation, can realize the simulation of the broken string trouble operating mode in the liquid cooling charging process, thereby can carry out the test of charging in the liquid cooling charging process better.
Referring to fig. 3, which is a schematic structural diagram of a signal cable functional area according to an embodiment of the present disclosure, as shown in fig. 3, the signal cable 15 includes a plurality of wires, and the disconnection module 13 includes a plurality of switch units, where each signal cable 15 is provided with one switch unit.
Specifically, the quantity and the type of signal cable 15 can be confirmed according to the liquid cooling charging standard that the electric pile just adopted of filling, and wherein, the signal cable that adopts the chaoji standard of charging includes: CC1/CC2, S +/S-, adopt GB2015+ signal cable of standard of charging includes: CC1/CC2, S +/S-, A +/A-, CC1/CC2 is a charging connection confirmation cable, S + is a high-level controller local area network signal cable, S-is a low-level controller local area network signal cable, A +/A-is a low-voltage auxiliary power line, and a GB2015+ charging standard signal cable is used for illustration in figure 3.
A disconnection point is arranged between each signal cable 15, the disconnection point is connected with a switch unit, and the connection and disconnection of each signal cable 15 can be controlled by respectively controlling the connection and disconnection of each switch unit. When a disconnection test is required, the switch units control the disconnection of the signal cables 15, and the charging working conditions of the electric automobile after the disconnection of different signal cables are checked, so that the simulation of various disconnection fault working conditions in the liquid cooling charging process is realized.
In one possible implementation, the switching unit may be a relay.
The liquid cooling test system that charges that above-mentioned embodiment provided sets up respectively on many signal cables between rifle seat and the rifle head that charges and switches the unit to each signal cable of control carries out the broken string, need not to fill the original charging cable who fills electric pile and carries out the broken string operation, can realize the simulation of multiple broken string trouble operating mode in the liquid cooling charging process.
In one possible implementation manner, as shown in fig. 3, the liquid-cooled charging test system further includes: and a plurality of signal processing modules 18, wherein the signal processing modules 18 are respectively connected to two ends of each switch unit.
When the liquid cooling charging test system provided by the above embodiment is used for simulating the disconnection fault condition, the charging condition of the electric vehicle after the disconnection of the signal cable is mainly observed by people, but the disconnection fault in some cases may not be found intuitively, for this reason, in this embodiment, a signal processing module 18 is connected between two ends of each switch unit, and when the signal processing module 18 is used for switching on or off the switch unit, the electric signal on the signal cable is processed and displayed, so that the signal states of the signal cable under the disconnection condition and the disconnection condition are checked through the signal processing module 18, and the disconnection fault condition is visually checked through the signal processing module 18.
In some embodiments, the signal processing module 18 may be a wave recorder or an oscilloscope for the signal cables CC1/CC2 and a +/a-, and the wave recorder or the oscilloscope may collect the electrical signals on the signal cables CC1/CC2 and a +/a-, and display the electrical signals in a preset waveform mode after processing. Aiming at the signal cable S +/S-, an external CAN (Controller Area Network) card CAN be adopted to check the communication message of the signal cable S +/S-under the condition of no disconnection and disconnection.
The liquid cooling charging test system provided by the above embodiment processes and displays the signal of each signal cable in the disconnection state through the signal processing modules arranged at the two ends of each switch unit, so as to visually check the disconnection fault condition through each signal processing module.
In one possible implementation manner, as shown in fig. 2, the liquid-cooled charging test system further includes: and the state alarm module 19, wherein the state alarm module 19 is connected with the liquid cooling unit 16.
In this embodiment, the liquid cooling unit 16 has a liquid cooling state detection function, and the liquid cooling state detection function is configured to detect an operating state of the liquid cooling unit 16 and determine whether the liquid cooling unit 16 satisfies a preset state condition. When the working state of the liquid cooling unit 16 does not satisfy the preset state condition, it is determined that the liquid cooling unit 16 does not work normally, and the control state alarm module 19 sends an alarm message. Optionally, the state alarm module 19 may be a light emitting diode, and may alarm by controlling the light emitting diode to emit a light signal.
For example, the liquid-cooling state detection function may detect the flow rate or pressure of the cooling liquid in the liquid-cooling unit 16, and determine whether the flow rate or pressure of the cooling liquid in the liquid-cooling unit 16 is smaller than a preset flow rate threshold or a preset pressure threshold. When the flow rate or the pressure of the cooling liquid in the liquid cooling unit 16 is smaller than the preset flow rate threshold or the preset pressure threshold, it is determined that the liquid cooling unit 16 does not work normally, and the control state alarm module 19 sends alarm information.
In one possible implementation manner, as shown in fig. 1, the liquid-cooled charging test system further includes: an electrical parameter sampling module 20 and an electrical parameter display module 21; the electrical parameter sampling module 20 is connected in series on the power cable 15; the electrical parameter display module 21 is connected to the electrical parameter sampling module 20.
In this embodiment, the electrical parameter sampling module 20 is connected in series to the power cable 15, and is configured to adopt electrical parameters on the liquid-cooled charging circuit, where the electrical parameters may include, for example, current and voltage, and send the sampled electrical parameters to the electrical parameter display module 21 for display, so as to realize the functions of collecting and displaying important electrical parameters in the liquid-cooled charging process.
For example, please refer to fig. 4, which is a schematic structural diagram of an electrical parameter functional area provided in the embodiment of the present application, as shown in fig. 4, the electrical parameter sampling module 20 may employ a hall sensor, and the electrical parameter display module 21 may employ a direct current meter, where the hall sensor is connected in series to the positive power cable DC +, and is used for applying a current and a voltage on the positive power cable DC +, and the hall sensor is connected to the direct current meter, and displays the sampled current and voltage through the direct current meter.
Referring to fig. 5, a schematic structural diagram of a temperature display functional area according to an embodiment of the present application is shown in fig. 1 and 5, where the liquid-cooling charging test system further includes: a temperature sampling module 22 and a temperature display module 23; the temperature sampling module 22 is arranged at one end of the power cable 14 close to the charging gun head 12; the temperature display module 23 is connected with the temperature sampling module 22.
In this embodiment, the temperature sampling module 22 is configured to sample the temperature of the charging gun head 12, and display the temperature through the temperature display module 23, so as to realize the functions of collecting and displaying the temperature of the charging gun head in the liquid-cooling charging process.
For example, as shown in fig. 5, the temperature sampling module 22 may be a temperature sensor PT1000, and the temperature display module 23 may display using an LCD screen.
Further, as shown in fig. 5, the liquid-cooled charging test system further includes: a temperature alarm module 24; the temperature alarm module 24 is connected with the temperature display module 23.
In this embodiment, in order to realize the over-temperature protection of the charging gun head, an over-temperature protection function is set in the temperature display module 23, the over-temperature protection function is used for judging the temperature of the charging gun head 12, and when the temperature of the charging gun head 12 is greater than a preset temperature threshold, an alarm signal is sent to the temperature alarm module 24, so that the temperature alarm module 24 alarms the temperature according to the alarm signal. For example, the temperature alarm module 24 may be a light emitting diode, and the alarm may be performed by controlling the light emitting diode to emit a light signal.
In some embodiments, if the temperature display module 23 has only a single display function, a temperature feedback module may be additionally provided, an over-temperature protection function is provided in the temperature feedback module, the temperature feedback module is connected to the temperature sampling module 22 or the temperature display module 23 to obtain the temperature of the charging gun head, and when it is determined that the temperature of the charging gun head 12 is greater than the preset temperature threshold, an alarm signal is sent to the temperature alarm module 24, so that the temperature alarm module 24 performs a temperature alarm according to the alarm signal.
The liquid cooling charging test system provided by the embodiment can be used for simulating the wire breaking working condition in the liquid cooling charging process, and monitoring the working state of the liquid cooling unit, the electric parameters in the liquid cooling charging process, the temperature of the charging gun head and the like.
In one possible implementation manner, as shown in fig. 1 and fig. 2, the liquid-cooled charging test system further includes: a start switch 25; the start switch 25 is connected to the liquid cooling unit 16.
In this embodiment, the liquid cooling unit 16 is provided with a start switch 25, and the start switch 25 is used to control the liquid cooling unit 16 to start or close, and after the start switch 25 controls the liquid cooling unit 16 to start, the cooling liquid is transferred through the liquid cooling pipe.
In one possible implementation manner, as shown in fig. 1, the liquid-cooled charging test system further includes: a power supply 26 and a power switch 27; one end of the power switch 27 is connected to the power supply 26, and the other end of the power switch 27 is connected to a plurality of power utilization modules in the liquid cooling charging test system.
In this embodiment, the power supply 26 is used for supplying power to a plurality of power consumption modules in the liquid cooling charging test system, and the power switch 27 is arranged between the power supply 26 and the plurality of power consumption modules, so that the power supply 26 can be controlled to be switched on and off to enter the plurality of power consumption modules. For example, please refer to fig. 6, which is a schematic structural diagram of a power switch provided in this embodiment, as shown in fig. 6, the power switch 27 includes a socket interface 271 and a power button 272, wherein the power supply 26 is connected to the socket interface 271 through a plug of a power supply cable, the power switch 27 is further connected to each power module, and the power button 272 controls on/off of the power supply 26 entering the power modules.
Based on the liquid cooling test system that charges that above-mentioned embodiment provided, this application embodiment still provides a liquid cooling test device that charges. Referring to fig. 7, which is a schematic structural diagram of a liquid-cooling charging testing apparatus according to an embodiment of the present application, as shown in fig. 7, a charging gun base of a liquid-cooling charging testing system is connected to a liquid-cooling charging pile gun head, and a charging gun head of the liquid-cooling charging testing system is connected to a charging gun base of an electric vehicle.
As shown in fig. 7, the liquid cooling charging test system is integrated into a liquid cooling charging test device, the charging gun base in the liquid cooling charging test system is arranged on the outer surface of the liquid cooling charging test device, the charging gun head in the liquid cooling charging test system is also reserved outside the liquid cooling charging test device, the charging pile gun head of the liquid cooling charging pile is connected to the charging gun base in the liquid cooling charging test system, and the charging gun head in the liquid cooling charging test system is connected to the electric vehicle charging gun base.
In addition, the disconnection module, the state warning module, the electric parameter display module, the temperature warning module, the starting switch and the power switch in the liquid cooling charging test system are all arranged on a panel of the liquid cooling charging test device, so that a user can conveniently control or receive information. Furthermore, a plurality of banana terminals are arranged on a panel of the liquid cooling charging test device, the banana terminals are used for being connected to two ends of each switch unit in the content of the liquid cooling charging test device, and a plurality of signal processing modules can be connected through the banana terminals respectively to check signal waveforms or messages.
Based on the liquid-cooled charging test system and the device, the embodiment also provides a use method of the liquid-cooled charging test system. Referring to fig. 8, a schematic flow chart of a method for using a liquid-cooled charging test system according to an embodiment of the present application is shown, where as shown in fig. 8, the method may include:
s10: and performing system connection in a system power-off state.
Wherein, the connection mode is: the charging gun head of the liquid cooling charging pile is connected to the charging gun seat of the liquid cooling charging system, and the charging gun head of the liquid cooling charging system is connected to the charging gun seat of the electric automobile, namely, a direct current charging port of the electric automobile.
S20: and powering on the liquid cooling charging test system by starting the power switch.
After the system is powered on, the liquid cooling charging test system is determined to be in the initial state at present because the disconnection operation is not carried out at the moment.
S30: the electric pile charges for electric automobile is filled in the start-up, through opening starting switch, makes the liquid cooling unit cool down for the power cable.
In the liquid cooling charging process, the electric parameters and the temperature of the charging gun head in the charging process CAN be checked through the electric parameter display module and the temperature display module, the charging waveform CAN be checked through a wave recorder or an oscilloscope connected to the signal cable, and the communication message of the signal cable S +/S-CAN be checked through an external CAN card.
S40: and controlling each switch unit to be switched off, and carrying out disconnection fault simulation.
After the disconnection fault simulation is carried out, the fault working condition after disconnection CAN be checked on the electric automobile, and a specific fault waveform or a fault message CAN be checked through a wave recorder, an oscilloscope and a CAN card.
S50: in the liquid cooling charging process, if the liquid cooling unit does not work normally and the temperature of the charging gun head is too high, the state warning module or the temperature warning module is used for warning and the charging pile is closed.
S60: after the test is finished, the charging pile is closed to stop charging, all the switch units are reset, the liquid cooling charging test system enters the initial state again, the power switch is closed, and power supply for the liquid cooling charging test system is stopped.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a liquid cooling test system that charges which characterized in that, liquid cooling test system that charges includes: the device comprises a charging gun seat, a charging gun head, a transmission cable, a liquid cooling module and a wire breaking module;
the rifle seat that charges passes through the transmission cable with the rifle head that charges is connected, wherein, the transmission cable includes: the charging gun comprises a power cable and a signal cable, wherein the charging gun seat is used for connecting a liquid-cooling charging pile gun head, and the charging gun head is used for connecting an electric automobile charging gun seat;
the liquid cooling module includes: the liquid cooling unit and the liquid cooling pipe are connected with the liquid cooling unit, and the liquid cooling pipe is attached to the power cable;
the signal cable is provided with the disconnection module.
2. The liquid-cooled charging test system of claim 1, wherein the disconnect module comprises: a plurality of switching units, the signal cable including a plurality of strips; wherein one of the switch units is provided on each of the signal cables.
3. The liquid-cooled charging test system of claim 2, further comprising: and the signal processing modules are respectively connected to two ends of each switch unit.
4. The liquid-cooled charging test system of claim 1, further comprising: a state alarm module;
the state warning module is connected with the liquid cooling unit.
5. The liquid-cooled charging test system of claim 1, further comprising: the device comprises an electrical parameter sampling module and an electrical parameter display module;
the electrical parameter sampling module is connected in series on the power cable;
the electrical parameter display module is connected with the electrical parameter sampling module.
6. The liquid-cooled charging test system of claim 1, further comprising: the temperature sampling module and the temperature display module;
the temperature sampling module is arranged at one end, close to the charging gun head, of the power cable;
the temperature display module is connected with the temperature sampling module.
7. The liquid-cooled charging test system of claim 6, further comprising: a temperature alarm module;
the temperature alarm module is connected with the temperature display module.
8. The liquid-cooled charging test system of claim 1, further comprising: starting a switch;
the starting switch is connected with the liquid cooling unit.
9. The liquid-cooled charging test system of any of claims 1-8, wherein the liquid-cooled charging test system further comprises: a power supply and a power switch;
one end of the power switch is connected with the power supply, and the other end of the power switch is connected with a plurality of power utilization modules in the liquid cooling charging test system.
10. A liquid-cooled charging test device, which is characterized by comprising the liquid-cooled charging test system according to any one of claims 1 to 9, wherein a charging gun seat of the liquid-cooled charging test system is connected with a liquid-cooled charging pile gun head, and the charging gun head of the liquid-cooled charging test system is connected with an electric vehicle charging gun seat.
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| CN202222916886.7U CN218824646U (en) | 2022-11-02 | 2022-11-02 | Liquid cooling charging test system and device |
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| CN202222916886.7U CN218824646U (en) | 2022-11-02 | 2022-11-02 | Liquid cooling charging test system and device |
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| CN202222916886.7U Active CN218824646U (en) | 2022-11-02 | 2022-11-02 | Liquid cooling charging test system and device |
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