CN208459525U - A kind of electric machine controller signal circuit short circuit short/open circuit test set - Google Patents
A kind of electric machine controller signal circuit short circuit short/open circuit test set Download PDFInfo
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- CN208459525U CN208459525U CN201821299491.4U CN201821299491U CN208459525U CN 208459525 U CN208459525 U CN 208459525U CN 201821299491 U CN201821299491 U CN 201821299491U CN 208459525 U CN208459525 U CN 208459525U
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- electric machine
- machine controller
- short
- open circuit
- modified line
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Abstract
The utility model discloses a kind of electric machine controller signal circuit short circuit short/open circuit test sets, including host computer, MCU, tested rotation modified line, short open circuit wiring box, electric machine controller, motor, low-tension supply；Host computer, MCU, tested rotation modified line, short open circuit wiring box, electric machine controller, motor are sequentially connected；Low-tension supply is connect with tested rotation modified line；Tested rotation modified line is respectively connected to the input/output terminal of short open circuit wiring box, and host computer connects electric machine controller by CAN line, and electric machine controller is connect with motor by tested rotation modified line.The superior effect of the utility model is easy to operate, quick, at low cost, reliability and highly-safe.With stronger practical value and realistic meaning.
Description
Technical field
The utility model belongs to technical field of new energy, more particularly to a kind of electric machine controller signal circuit short circuit is opened
Road test device.
Background technique
Currently, requirement of the market to new-energy automobile is also increasingly strict, increasingly to the attention degree in terms of functional safety
It is high.Driving motor and its control system are the core devices of electric car, and signal connection between the two is most important, therefore needs
Signal circuit is tested.The short-circuit open test of signal circuit is that controller reliability is tested in simulation, i.e., simulation is in vehicle
Being taken in has interference or when something goes wrong, and when the short circuit of signal circuit unexpected short time or open circuit, which kind of situation controller will appear, with
Access control device performance.
The patent application of Publication No. CN108390517A discloses a kind of electric car electricity for having security alarm function
Machine controller assembly, including main body case, the inside inner bottom wall of the main body case are fixedly installed with motor housing, the motor housing it is interior
Bottom wall is fixedly installed with first motor, and the output shaft of the first motor is fixedly connected with movable block, the left and right of the movable block
Two sides are fixedly connected to flabellum, and the bottom of the main body case offers first through hole, and the first through hole is connected to main body case,
It is fixedly installed with filter screen at the bottom of the main body case and corresponding first through hole, the inner bottom wall of the main body case and is located at motor
Surge tank is fixedly connected at left and right sides of case, the inner bottom wall that surge tank described in aperture is offered at the top of the surge tank is solid
Dingan County is equipped with spring.
The patent application of Publication No. CN108390420A realizes that power battery exchanges the dress of fast charge by electric machine controller
It sets, including first switch S1, second switch S2, third switch S3, the 4th switch S4 and the 5th switch S5.Electric machine controller
The W phase of MCU passes through second switch S2 and connect with 220V alternating current fire wire, the W phase of electric machine controller MCU by third switch S3 with
The connection of 3 first end of third motor coil L, 3 second end of third motor coil L and 2 second end of the second motor coil L, first motor
The connection of coil L1 second end, 2 first end of the second motor coil L are connected with the V of electric machine controller MCU, electric machine controller MCU's
U phase passes through the 5th switch S5 and connect with first motor coil L1 first end；The U phase of electric machine controller MCU passes through the 4th switch S4
It is connect with 220V alternating current zero curve.
Signal harness need to be cut when short-circuit test in conclusion traditional signal is opened a way, the feelings for causing harness more and random
Condition is very easy to wrong, and reliability and safety are poor.
Utility model content
The purpose of this utility model is to provide the electric machine controller signal circuits that one kind can overcome above-mentioned technical problem
Short-circuit short/open circuit test set, device described in the utility model include host computer, MCU, tested rotation modified line, short open circuit wiring box, electricity
Machine controller, motor, low-tension supply；Host computer, MCU, tested rotation modified line, short open circuit wiring box, electric machine controller, motor are successively
Connection；Low-tension supply is connect with tested rotation modified line；Tested rotation modified line is respectively connected to the input/output terminal of short open circuit wiring box, upper
Machine connects electric machine controller by CAN line, and electric machine controller is connect with motor by tested rotation modified line, and short open test is to rotation
The test in varying signal circuit realizes the test of the short circuit open circuit to signal circuit by two groups of button switches, when the switch of S group closes
Illustrate signal circuit normal communication when conjunction, illustrates that signal circuit is opened a way when S group, which switchs, to be disconnected；When S group and any one K group switch
The short circuit of signal circuit is realized when closure.Device described in the utility model reads the information of signal circuit by host computer,
Button switch on short open circuit wiring box can be realized the short open circuit of signal circuit.
The superior effect of the utility model is easy to operate, quick, at low cost, reliability and highly-safe, is had relatively strong
Practical value and realistic meaning.
Detailed description of the invention
Fig. 1 is the overall structure figure of device described in the utility model；
Fig. 2 is the structure chart of the short open circuit wiring box of device described in the utility model；
Fig. 3 is the circuit diagram of the short open circuit wiring box of device described in the utility model.
Specific embodiment
The embodiments of the present invention is described in detail with reference to the accompanying drawing.As shown in Figure 1, the utility model institute
Stating device includes host computer, MCU, tested rotation modified line, short open circuit wiring box, electric machine controller, motor, low-tension supply；Host computer,
MCU, tested rotation modified line, short open circuit wiring box, electric machine controller, motor are sequentially connected；Low-tension supply is connect with tested rotation modified line；
Tested rotation modified line is respectively connected to the input/output terminal of short open circuit wiring box, and host computer connects electric machine controller, motor by CAN line
Controller is connect with motor by tested rotation modified line.
Short open test is the test to rotation varying signal circuit, realizes the short circuit to signal circuit by two groups of button switches
The test of open circuit illustrates signal circuit normal communication when S group when closing the switch, illustrate signal circuit when S group, which switchs, to be disconnected
Open circuit；The short circuit of signal circuit is realized when S group and any one K group close the switch.Device described in the utility model passes through upper
The machine-readable information for getting signal circuit in position, the button switch on short open circuit wiring box can be realized the short open circuit of signal circuit.
As shown in Figure 1, short open circuit wiring box is connected to rotation modified line, short open circuit wiring box input termination electricity by K, S button switch
Machine controller end, short open circuit wiring box output termination motor rotation become end, and host computer connects electric machine controller by CAN line, reads
Rotation becomes information.When as shown in Figure 2,3, by lower switch S1 to switch S10, S is closed the switch, and tested rotation modified line normally connects, upper
Machine acquire normal data, carry out signal open test when, disconnect S switch, and can single channel disconnect, also can multichannel disconnect carry out
Test.After disconnecting S switch, host computer reads error information, and after closing S switch, electric machine controller restores normal.Carry out short circuit
When test, no replacement is required any equipment and instrument presses lower switch S1 to switch S10 button, and S switch is all closed, and host computer is adopted
Collect normal data, when testing certain road signal shorts, press K switch and be allowed to be closed, signal is short-circuited, and host computer is read
After disconnecting K switch after error information, signal circuit restores normal.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art is in range disclosed by the utility model, the variation that can readily occur in
Or replacement, it should all cover in the protection scope of the utility model claims.
Claims (4)
1. a kind of electric machine controller signal circuit short circuit short/open circuit test set characterized by comprising host computer, is tested MCU
Revolve modified line, short open circuit wiring box, electric machine controller, motor, low-tension supply；Host computer, MCU, tested rotation modified line, short open circuit wiring
Box, electric machine controller, motor are sequentially connected；Low-tension supply is connect with tested rotation modified line.
2. a kind of electric machine controller signal circuit short circuit short/open circuit test set according to claim 1, which is characterized in that institute
It states host computer and electric machine controller is connected by CAN line.
3. a kind of electric machine controller signal circuit short circuit short/open circuit test set according to claim 1, which is characterized in that institute
It states electric machine controller and is connect with motor by tested rotation modified line.
4. a kind of electric machine controller signal circuit short circuit short/open circuit test set according to claim 1, which is characterized in that institute
State the input/output terminal that tested rotation modified line is respectively connected to short open circuit wiring box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299491.4U CN208459525U (en) | 2018-08-13 | 2018-08-13 | A kind of electric machine controller signal circuit short circuit short/open circuit test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821299491.4U CN208459525U (en) | 2018-08-13 | 2018-08-13 | A kind of electric machine controller signal circuit short circuit short/open circuit test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459525U true CN208459525U (en) | 2019-02-01 |
Family
ID=65178621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821299491.4U Active CN208459525U (en) | 2018-08-13 | 2018-08-13 | A kind of electric machine controller signal circuit short circuit short/open circuit test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208459525U (en) |
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2018
- 2018-08-13 CN CN201821299491.4U patent/CN208459525U/en active Active
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