CN218727754U - High-voltage insulation test system of automobile and automobile - Google Patents
High-voltage insulation test system of automobile and automobile Download PDFInfo
- Publication number
- CN218727754U CN218727754U CN202222758488.7U CN202222758488U CN218727754U CN 218727754 U CN218727754 U CN 218727754U CN 202222758488 U CN202222758488 U CN 202222758488U CN 218727754 U CN218727754 U CN 218727754U
- Authority
- CN
- China
- Prior art keywords
- branch
- module
- automobile
- controller
- high voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The embodiment of the application provides a high voltage insulation test system of car, includes: the testing module is connected with the automobile high-voltage system at a testing end and used for detecting the resistance value of the automobile high-voltage system, and the output end of the testing module is connected with the controller and used for communicating a signal representing the resistance value of the automobile high-voltage system to the controller; the all-in-one control module is connected between the test module and the automobile high-voltage system in series; the control end of the display module is connected with the controller; when the automobile high-voltage system is tested, a switch in the all-in-one control module is controlled to be closed, a test loop consisting of the test module, the all-in-one controller and the automobile high-voltage system is formed, and the insulation resistance value of the high-voltage system is tested; and after the testing module measures the insulation resistance value, the testing module communicates a signal representing the insulation resistance value to the controller, and the controller controls the display module to display the corresponding resistance value after reading the signal.
Description
Technical Field
The utility model relates to a new energy automobile field, concretely relates to high-voltage insulation test system and car of car.
Background
When the pure electric vehicle has an insulation fault of an automobile high-voltage system, because the number of interfaces and parts of the automobile high-voltage system is large, two persons are required to cooperate to measure the insulation resistance value of a branch formed by the specific interfaces and parts in the process of checking by a checking person; one person is responsible for repeatedly cutting off the high-voltage plug-in of the related branch of the high-voltage system, and the other person is responsible for determining the insulation resistance value of the specific branch through an instrument, so that the high-voltage loop where the insulation fault occurs is locked.
On one hand, the checking method needs two persons to be matched, the checking process is complicated, the checking speed is slow, and the defects of time and labor waste exist; on the other hand, when the whole vehicle has a fault, the high-voltage plug-ins of all relevant branches of the high-voltage system of the vehicle need to be tested to determine the problem of the vehicle, and the fault cannot be specifically checked in the checking process, so that the safety state of the whole vehicle is not clearly mastered.
Therefore, at present, it is urgently needed to provide a high-voltage insulation testing system of an automobile and the automobile so as to solve at least the technical problems that the troubleshooting process of the automobile high-voltage system is time-consuming and labor-consuming and the fault cannot be checked in a targeted manner in the prior art.
SUMMERY OF THE UTILITY MODEL
The application provides a high voltage insulation test system of car includes: the testing module is connected with the automobile high-voltage system at a testing end and used for detecting the resistance value of the automobile high-voltage system, and the output end of the testing module is connected with the controller and used for communicating a signal representing the resistance value of the automobile high-voltage system to the controller; the all-in-one control module is connected between the test module and the automobile high-voltage system in series; and the control end of the display module is connected with the controller.
Optionally, the automotive high-pressure system comprises at least one branch; the all-in-one control module comprises controllable switches which are arranged in one-to-one correspondence with the branches of the automobile high-voltage system, and the control ends of the controllable switches are connected with the controller.
Optionally, the high-voltage insulation test system further includes a branch state determination module, an input end of the branch state determination module is connected to an output end of the test module, and an output end of the branch state determination module is connected to the controller.
Optionally, the branch state determining module includes a comparison circuit, a reference voltage end of the comparison circuit is connected to the controller, and a comparison end is connected to the output end of the testing module.
Optionally, the comparison circuit comprises a digital comparison circuit and/or an analog comparison circuit.
Optionally, the high voltage insulation test system comprises a detection branch determining module; and the output end of the detection branch determining module is connected with the controller and used for outputting corresponding branch information signals according to the branch of the automobile high-voltage system selected by the user.
Optionally, the vehicle high-voltage system includes at least one of a motor branch, a battery branch, an ACM branch, an EHPS branch, an air-conditioning branch, and an APTC branch.
Optionally, the controllable switch comprises at least one of a relay, a thyristor, a relay.
Optionally, the test module is an insulation monitor.
According to a further aspect of the present application, there is provided an automobile comprising a high voltage insulation test system of an automobile as described in any of the above.
The embodiment of the application provides a high voltage insulation test system of car, includes: the testing module is connected with the automobile high-voltage system at a testing end and used for detecting the resistance value of the automobile high-voltage system, and the output end of the testing module is connected with the controller and used for communicating a signal representing the resistance value of the automobile high-voltage system to the controller; the all-in-one control module is connected between the test module and the automobile high-voltage system in series; the control end of the display module is connected with the controller; when the automobile high-voltage system is tested, a switch in the all-in-one control module is controlled to be closed, a test loop consisting of the test module, the all-in-one controller and the automobile high-voltage system is formed, and the insulation resistance value of the high-voltage system is tested; after the testing module measures the insulation resistance value, the testing module communicates a signal representing the insulation resistance value to the controller, and the controller controls the display module to display the corresponding resistance value after reading the signal; above-mentioned technical scheme only needs the inside switch of control module of control unification more, does not need two people cooperation investigation, has solved the investigation to car high-pressure system among the prior art, needs two people cooperation, and the investigation process is loaded down with trivial details, and the investigation speed is slower, has the technical problem of the defect that wastes time and energy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a modular schematic diagram of an exemplary automotive high voltage insulation testing system in accordance with an embodiment of the present application;
FIG. 2 is a modular schematic diagram of an exemplary automotive high voltage insulation testing system in accordance with an embodiment of the present application;
fig. 3 is a circuit diagram of an exemplary high voltage insulation testing system of an automobile according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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 only partial embodiments of the present application, but not all embodiments. 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above 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.
FIG. 1 is a modular schematic diagram of an exemplary automotive high voltage insulation testing system in accordance with an embodiment of the present application; as shown in fig. 1, a high voltage insulation test system of an automobile includes: the testing module 100 is connected with the automobile high-voltage system 200 at a testing end of the testing module 100 and used for detecting the resistance value of the automobile high-voltage system 200, and the output end of the testing module 100 is connected with the controller and used for communicating a signal representing the resistance value of the automobile high-voltage system 200 to the controller; the all-in-one control module 300 is connected between the test module 100 and the automobile high-voltage system 200 in series; and a display module 400, wherein the control end of the display module 400 is connected with the controller.
Through the technical scheme, when the automobile high-voltage system 200 is tested, the switch inside the all-in-one control module 300 is controlled to be closed, a test loop consisting of the test module 100, the all-in-one controller and the automobile high-voltage system 200 is formed, and the insulation resistance value of the high-voltage system is tested; after the test module 100 measures the insulation resistance value, the signal representing the insulation resistance value is communicated to the controller, and after the controller reads the signal, the controller controls the display module 400 to display the corresponding resistance value.
According to the technical scheme, whether the switch inside the all-in-one control module 300 is closed or not is controlled, two persons are not needed to cooperate to check, the time for repeatedly cutting off the high-voltage plug-in of the relevant branch of the high-voltage system is saved, and the technical problems that two persons are needed to cooperate to check the automobile high-voltage system 200, the checking process is complicated, the checking speed is low, and the defects of time and labor waste are caused in the prior art are solved.
As a further example, fig. 2 is a schematic block diagram of an exemplary high voltage insulation testing system of an automobile according to an embodiment of the present application, and as shown in fig. 2, the automobile high voltage system 200 includes at least one branch circuit 210; the all-in-one control module 300 includes controllable switches 310, which are arranged in one-to-one correspondence with the branches 210 of the high-voltage system 200 of the vehicle, and control ends of the controllable switches are connected to the controller.
For the above technical solution, the all-in-one control module 300 includes controllable switches 310 that are arranged in one-to-one correspondence with the branches 210 of the automobile high voltage system 200, and when the automobile high voltage system 200 is tested, the controllable switches 310 that are arranged in one-to-one correspondence with the branches 210 of the automobile high voltage system 200 are respectively controlled to be closed by the controller, so as to form a test loop including the test module 100, the controllable switches and the branches 210 of the automobile high voltage system 200, and respectively test the insulation resistance values of the branches 210 of the automobile high voltage system 200; after the test module 100 measures the insulation resistance value of the branch circuit 210 of the current high-voltage automobile system 200, the test module communicates a signal representing the insulation resistance value of the branch circuit 210 of the current high-voltage automobile system 200 to the controller, and the controller controls the display module 400 to display the corresponding resistance value after reading the signal.
Above-mentioned technical scheme only needs control the inside controllable switch 310 of unification control module 300 more, does not need two people cooperation investigation, has solved the investigation to car high voltage system 200 among the prior art, needs two people cooperation, and the investigation process is loaded down with trivial details, and the investigation speed is slower, has the technical problem of the defect that wastes time and energy.
As a further embodiment, the high voltage insulation test system further includes a branch state determination module, an input end of the branch state determination module is connected to an output end of the test module 100, and an output end of the branch state determination module is connected to the controller.
For the above technical solution, when the automobile high voltage system 200 is tested, the controller respectively controls the controllable switches 310, which are arranged in one-to-one correspondence with the branches 210 of the automobile high voltage system 200, to be closed, so as to form a test loop consisting of the test module 100, the controllable switches 310 and the branches 210 of the automobile high voltage system 200, and respectively test the insulation resistance values of the branches 210 of the automobile high voltage system 200; after the test module 100 measures the insulation resistance value of the branch 210 of the current automobile high-voltage system 200, communicating a signal to a branch state determination module, determining the state of the branch 210 of the automobile high-voltage system 200 through the signal by the branch state determination module, and communicating the state information to a controller; after receiving the state information, the controller controls the display module 400 to display the state of the current branch.
As a possible implementation manner, the branch state determining module outputs a first signal to the controller when the insulation resistance value is equal to the insulation resistance value corresponding to the current branch, and outputs a second signal to the controller when the insulation resistance value is not equal to the insulation resistance value corresponding to the current branch.
As a possible implementation manner, after the controller obtains a signal representing a test instruction of a user, the controller controls the controllable switches to be sequentially switched on and off to obtain the insulation resistance values of all the branches.
As a possible implementation manner, after the controller controls the controllable switches to be closed each time, if the first signal is identified, the controller continues to control the controllable switches to be opened, controls the next controllable switch to be closed, and adds one to the counting bit until the last controllable switch is opened, and at this time, controls the counting bit to be reset; and when the controller identifies the second signal, acquiring the current counting bit, determining the branch circuit 210 with the current fault according to the current counting bit, and controlling the display equipment to prompt the user of the current branch circuit fault.
As a possible implementation, the display device may include at least one of a display screen, an indicator light, and a sound generating device.
As an alternative embodiment, the troubleshooting personnel determines which branch of the high voltage system has a problem by looking at the insulation resistance value of the display module 400 and according to the insulation resistance value summary table.
As an alternative embodiment, the troubleshooting personnel determines which branch of the high voltage system has a problem through the prompt information output by the display module 400 for indicating which insulated branch has a fault.
As a further embodiment, the branch status determination module includes a comparison circuit, a reference voltage terminal of the comparison circuit is connected to the controller, and a comparison terminal is connected to the output terminal of the test module 100.
For the above embodiment, as a possible implementation manner, the controller determines the currently detected branch 210 according to the count bit, and outputs the same reference voltage as the first signal to the reference voltage end of the comparison circuit.
As a further embodiment, the comparison circuit comprises a digital comparison circuit and/or an analog comparison circuit.
As an exemplary embodiment, the high voltage insulation test system includes a detection branch determining module; the output end of the detection branch determining module is connected to the controller, and is used for outputting the corresponding branch 210 information signal according to the branch 210 of the automobile high-voltage system 200 selected by the user.
Through the technical scheme, when a user suspects that which branch circuit has a fault, the corresponding branch circuit 210 of the automobile high-voltage system 200 can be selected through the detection branch circuit determining module, so that the detection flow is simplified, and the detection time is reduced.
As an exemplary embodiment, the vehicle high-voltage system 200 includes at least one of a motor branch, a battery branch, an ACM branch, an EHPS branch, an air conditioner branch, and an APTC branch.
With regard to the above technical solution, as an exemplary embodiment, fig. 3 is a circuit diagram of an exemplary high-voltage insulation testing system of an automobile according to an embodiment of the present application, as shown in fig. 3, the automobile high-voltage system 200 includes a motor branch 211, a battery branch 212, an ACM branch 213, an EHPS branch 214, an air-conditioning branch 215, and an APTC branch 216, and the all-in-one control module 300 includes:
a first controllable switch 311, wherein the first controllable switch 311 is connected in series with the motor branch 211;
a second controllable switch 312, said second controllable switch 312 being connected in series with said battery branch 212;
a third controllable switch 313, the third controllable switch 313 being connected in series with the ACM branch 213;
a fourth controllable switch 314, the fourth controllable switch 314 connected in series with the EHPS branch 214;
a fifth controllable switch 315, the fifth controllable switch 315 being connected in series with the air conditioning branch 215;
a sixth controllable switch 316, said sixth controllable switch 316 being connected in series with said APTC216 branch.
As a possible implementation manner, the controllable switches are controlled to be sequentially closed and then opened according to a preset sequence in an all-in-one manner, so as to respectively test the resistance value of each branch through the test module 100, and communicate the signal to the controller.
As a possible implementation manner, after the detection branch determining module determines that the user selects the branch 210 of the high-voltage vehicle system 200, the controller controls the all-in-one control module 300 to close the controllable switch 310 corresponding to the branch 210 of the high-voltage vehicle system 200; when it is currently determined that the current branch circuit 210 is failed, the display module 100 displays that the current branch circuit 210 is failed.
As an exemplary embodiment, the controllable switch comprises at least one of a relay, a thyristor, a relay.
As an exemplary embodiment, the test module 100 is an insulation monitor.
According to another aspect of the present application, there is provided an automobile comprising a high voltage insulation test system of an automobile as described in any one of the above.
In the embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A high voltage insulation test system for an automobile, comprising:
the testing module is connected with the automobile high-voltage system at a testing end and used for detecting the resistance value of the automobile high-voltage system, and the output end of the testing module is connected with the controller and used for communicating a signal representing the resistance value of the automobile high-voltage system to the controller;
the all-in-one control module is connected between the test module and the automobile high-voltage system in series;
and the control end of the display module is connected with the controller.
2. The automotive high voltage insulation test system of claim 1, wherein the automotive high voltage system comprises at least one branch circuit;
the all-in-one control module comprises controllable switches which are arranged in one-to-one correspondence with the branches of the automobile high-voltage system, and the control ends of the controllable switches are connected with the controller.
3. The automotive high voltage insulation test system according to claim 2, further comprising a branch condition determination module, wherein an input of the branch condition determination module is connected to an output of the test module, and an output of the branch condition determination module is connected to the controller.
4. The automotive high voltage insulation test system according to claim 3, wherein the branch condition determining module comprises a comparison circuit, a reference voltage terminal of the comparison circuit is connected with the controller, and a comparison terminal is connected with an output terminal of the test module.
5. The automotive high voltage insulation test system according to claim 4, characterized in that the comparison circuit comprises a digital comparison circuit and/or an analog comparison circuit.
6. The high voltage insulation test system of an automobile of any one of claims 1-5, wherein the high voltage insulation test system comprises a detection branch determination module; and the output end of the detection branch determining module is connected with the controller and used for outputting corresponding branch information signals according to the branch of the automobile high-voltage system selected by the user.
7. The automotive high voltage insulation test system of claim 6, wherein the automotive high voltage system comprises at least one of a motor branch, a battery branch, an ACM branch, an EHPS branch, an air conditioning branch, and an APTC branch.
8. The automotive high voltage insulation test system of claim 2, wherein the controllable switch comprises at least one of a relay, a thyristor, and a relay.
9. The high voltage insulation test system of claim 1, wherein the test module is an insulation monitor.
10. A vehicle, characterized in that it comprises a high voltage insulation test system of a vehicle according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758488.7U CN218727754U (en) | 2022-10-19 | 2022-10-19 | High-voltage insulation test system of automobile and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758488.7U CN218727754U (en) | 2022-10-19 | 2022-10-19 | High-voltage insulation test system of automobile and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218727754U true CN218727754U (en) | 2023-03-24 |
Family
ID=85587896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222758488.7U Active CN218727754U (en) | 2022-10-19 | 2022-10-19 | High-voltage insulation test system of automobile and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218727754U (en) |
-
2022
- 2022-10-19 CN CN202222758488.7U patent/CN218727754U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111551799A (en) | Detection system and method for direct-current charger | |
| CN108594796B (en) | Automatic test device and method for whole vehicle controller | |
| CN110988648A (en) | PCBA automatic detection system and method | |
| CN218727754U (en) | High-voltage insulation test system of automobile and automobile | |
| CN107291069B (en) | Vacuum pump controller testing device | |
| CN112034333B (en) | High-voltage relay diagnosis method and device | |
| CN110945369A (en) | System and method for testing charging device | |
| CN216954910U (en) | Detection system | |
| JP4268314B2 (en) | Cable failure display device | |
| CN106338300B (en) | Comprehensive detection equipment and detection method for electronic instrument and bus module of trolley bus | |
| JP4402514B2 (en) | Power supply | |
| KR980003610A (en) | Radio equipment automatic test device and method | |
| CN106771794B (en) | Multifunctional virtual relay protection experiment complete equipment | |
| CN219016435U (en) | Insulation resistance testing device | |
| CN116165568B (en) | Power supply voltage monitoring system, method, vehicle machine and storage medium | |
| CN216211638U (en) | Railway passenger train electrical integrated control cabinet training teaching platform | |
| CN210465619U (en) | Direct-current high-voltage high-breaking testing device | |
| CN214704418U (en) | Hardware-in-loop test system for vehicle body area electric control unit | |
| CN218383106U (en) | Switch integration device for testing electronic and electrical components, testing system and vehicle | |
| CN216927595U (en) | Automatic testing device and system of vehicle-mounted equipment | |
| CN218099531U (en) | Automatic testing device for control power supply assembly | |
| CN113075489B (en) | Frequency converter terminal strip detection method and system thereof | |
| CN218974542U (en) | Hardware detection equipment and hardware test system | |
| CN216160779U (en) | Testing device | |
| CN113721090B (en) | Input/output circuit inspection method for universal weapon system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |