CN215066988U - A test fixture for electric motor car electrical part - Google Patents
A test fixture for electric motor car electrical part Download PDFInfo
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- CN215066988U CN215066988U CN202120409766.0U CN202120409766U CN215066988U CN 215066988 U CN215066988 U CN 215066988U CN 202120409766 U CN202120409766 U CN 202120409766U CN 215066988 U CN215066988 U CN 215066988U
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Abstract
The application relates to a test tool for electric devices of an electric vehicle, which comprises a power supply, a power supply input terminal, a logic level output module, an operation key panel, a test output terminal and a switching wire harness; one end of the power input terminal is connected with a power supply, the other end of the power input terminal is connected with the logic level output module, the operation key panel and the test output terminal are both connected to the logic level output module, one end of the switching wiring harness is connected to the test output terminal, and the other end of the switching wiring harness is connected with the equipment to be tested; the logic level output module generates a test signal, and the test signal is the same as the output signal of the electric vehicle electric device; the test output terminal is used for outputting test signals, and the switching wiring harness is used for transmitting the test signals to the equipment to be tested so as to detect the equipment to be tested, so that the technical problem that the universality of the electric vehicle electric device test equipment in the prior art is poor is solved, the technical effects of simplifying the structure, reducing the size and improving the universality are achieved.
Description
Technical Field
The application relates to the technical field of electric vehicles, in particular to a test tool for electric vehicle electric devices.
Background
At present, the existing test equipment is based on electric devices actually used by electric vehicles and is used for testing other related electric devices. The structure is complicated, the operation is complicated, the integration level is low, once the fault occurs, the maintenance is difficult, the size is heavy, and the cost is high. And the existing equipment is used for testing electric devices of electric vehicles with single models, and the universality is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the universality of the existing electric vehicle testing equipment is poor or at least partially solve the technical problem, the application provides a testing tool for electric vehicle electric devices.
The application provides a test fixture for electric motor car electrical part, include: the device comprises a power supply, a power supply input terminal, a logic level output module, an operation key panel, a test output terminal and a switching wire harness;
one end of the power supply input terminal is connected with the power supply, the other end of the power supply input terminal is connected with the logic level output module, the operation key panel and the test output terminal are both connected to the logic level output module, one end of the switching wire harness is connected to the test output terminal, and the other end of the switching wire harness is connected with a device to be tested;
the logic level output module generates a test signal;
the test output terminal outputs the test signal, and the switching wire harness transmits the test signal to the equipment to be tested.
Preferably, the operation key panel is used for controlling the logic output level module to work.
Preferably, a voltage-regulating power supply is further connected between the power supply input terminal and the logic level output module.
Preferably, the voltage regulating power supply is further connected with a current meter and a voltage meter.
Preferably, the test device further comprises a communication module, one end of the communication module is connected to the voltage-regulating power supply, and the other end of the communication module is connected to the test output terminal.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: the modular design is adopted, the structure is simple, and the volume is small; aiming at different equipment to be tested or devices to be tested, the logic level output module can flexibly output different test signals for simulating control signals generated by real electric vehicle electric devices, the test output terminals are used for being matched with corresponding switching harness test signals to be output to the equipment to be tested, the real electric vehicle electric devices are not required to be detached to generate the test signals, and the electric vehicle electric device testing device is low in cost, convenient to use and high in universality.
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 schematic structural diagram of a test tool for an electric device of an electric vehicle according to an embodiment of the present application;
fig. 2 is another schematic structural diagram of a test fixture for electric vehicle electrical devices provided in an embodiment of the present application.
Icon:
1. a power source; 2. a power input terminal; 3. a logic level output module; 4. operating a key panel; 5. a test output terminal; 6. switching the wiring harness; 7. a device to be tested; 8. a voltage-regulating power supply; 9. an ammeter; 10. a voltmeter; 11. a communication module; 100. a test fixture for electric motor car electrical part.
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. 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.
At present, the existing test equipment is based on electric devices actually used by electric vehicles and is used for testing other related electric devices. The structure is complicated, the operation is complicated, the integration level is low, once the fault occurs, the maintenance is difficult, the size is heavy, and the cost is high. And current equipment is poor to single model electric motor car electrical part test, and based on this, this application embodiment provides a test fixture for electric motor car electrical part, can simplify the structure, reduces volume, reduce cost, improves the commonality.
For convenience of understanding, the following detailed description of the test tool 100 for electric vehicle electric devices provided in the embodiments of the present application refers to fig. 1 to 2, and the test tool 100 for electric vehicle electric devices includes: the device comprises a power supply 1, a power supply input terminal 2, a logic level output module 3, an operation key panel 4, a test output terminal 5 and a switching wiring harness 6;
one end of an input terminal of a power supply 1 is connected with the power supply 1, the other end of the input terminal of the power supply 1 is connected with a logic level output module 3, an operation key panel 4 and a test output terminal 5 are both connected to the logic level output module 3, one end of a switching wiring harness 6 is connected to the test output terminal 5, and the other end of the switching wiring harness 6 is connected with a device to be tested 7;
the power supply 1 is used for supplying power, and the logic level output module 3 is used for generating a test signal which is the same as an output signal of an electric vehicle electrical device;
the test output terminal 5 is used for outputting a test signal, and the switching harness 6 is used for transmitting the test signal to the device under test 7 to detect the device under test 7.
The embodiment of the application provides a test fixture 100 for electric motor car electrical part, moreover, the steam generator is simple in structure, the modularized design, to different equipment under test 7 or the equipment under test, can use logic level output module 3 to output different test signals, a control signal is generated in the simulation electric motor car electrical part, use different test output terminal 5, the corresponding switching pencil 6 of cooperation is connected with equipment under test 7, need not to use real electric motor car electrical part to generate control signal, and the steam generator is small in size, low in cost, convenient to use, and strong in universality. The actual electric components of the electric vehicle do not need to be disassembled, and the device tests of various types can be realized.
In some embodiments of the present application, the operation key panel 4 is used for controlling the operation of the logic output level module.
The operation key panel 4 is used for receiving a control signal generated by external pressing and triggering the logic output level module to generate a corresponding test signal.
In some embodiments of the present application, a voltage-regulating power supply 8 is further connected between the input terminal of the power supply 1 and the logic level output module 3.
In some embodiments of the present application, the voltage-regulating power supply 8 is further connected with an ammeter 9 and a voltmeter 10.
The power supply requirements of different electric device tests can be met by the built-in voltage regulating module, the ammeter 9 and the voltmeter 10.
In some embodiments of the present application, the test tool 100 for electric vehicle electrical devices further includes a communication module 11, one end of the communication module 11 is connected to the voltage regulating power supply 8, and the other end of the communication module 11 is connected to the test output terminal 5. The communication module 11 may be used to interact with external data. Here, the communication module 11 may be a wireless communication module 11.
The test tool 100 for the electric vehicle electric devices uses the universal test output terminal 5 to match with the corresponding switching wire harness 6 to form a universal signal output module, can test different types of electric devices, and has strong equipment universality; by adopting the modular design, different modules can be selected and installed according to different models of electric devices to be tested, and different patch cords are used, so that different test requirements are met.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a test fixture for electric motor car electrical part which characterized in that includes: the device comprises a power supply, a power supply input terminal, a logic level output module, an operation key panel, a test output terminal and a switching wire harness;
one end of the power supply input terminal is connected with the power supply, the other end of the power supply input terminal is connected with the logic level output module, the operation key panel and the test output terminal are both connected to the logic level output module, one end of the switching wire harness is connected to the test output terminal, and the other end of the switching wire harness is connected with a device to be tested;
the logic level output module generates a test signal;
the test output terminal outputs the test signal, and the switching wire harness transmits the test signal to the equipment to be tested.
2. The tool for testing electric devices of electric vehicles according to claim 1, wherein the operation key panel is used for controlling the logic level output module to work.
3. The test tool for the electric vehicle electric device according to claim 1, wherein a voltage regulating power supply is further connected between the power supply input terminal and the logic level output module.
4. The test tool for the electric vehicle electric device according to claim 3, wherein the voltage regulating power supply is further connected with a current meter and a voltage meter.
5. The test tool for the electric vehicle electric device according to claim 3, further comprising a communication module, wherein one end of the communication module is connected to the voltage regulating power supply, and the other end of the communication module is connected to the test output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409766.0U CN215066988U (en) | 2021-02-24 | 2021-02-24 | A test fixture for electric motor car electrical part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409766.0U CN215066988U (en) | 2021-02-24 | 2021-02-24 | A test fixture for electric motor car electrical part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066988U true CN215066988U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409766.0U Active CN215066988U (en) | 2021-02-24 | 2021-02-24 | A test fixture for electric motor car electrical part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215066988U (en) |
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2021
- 2021-02-24 CN CN202120409766.0U patent/CN215066988U/en active Active
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