CN107908176A - Entire car controller drives mouth detection device and its detection method - Google Patents
Entire car controller drives mouth detection device and its detection method Download PDFInfo
- Publication number
- CN107908176A CN107908176A CN201711100724.3A CN201711100724A CN107908176A CN 107908176 A CN107908176 A CN 107908176A CN 201711100724 A CN201711100724 A CN 201711100724A CN 107908176 A CN107908176 A CN 107908176A
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- entire car
- car controller
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of entire car controller driving mouth detection device and its detection method.The detection device includes：First resistor and the first relay, the first end of the first resistor is used for the flash driving port for connecting entire car controller, the coil of first relay is connected between feeder ear and test system, and one end of the contact of first relay connects the second end of the first resistor and the other end is grounded；Second resistance and the second relay, the first end connection feeder ear of the second resistance, the coil of second relay is connected between feeder ear and test system, and one end of the contact of second relay connects the low side driving port of the second end and the other end of the second resistance for connecting entire car controller.The present invention is able to verify that whether the fault detection capability of entire car controller driving mouth is normal.Designing scheme of the invention is simple, cost is low, easy to implement.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly to a kind of entire car controller driving mouth detection device and its inspection
Survey method.
Background technology
In electric automobile, control system of the entire car controller as vehicle, is the key for influencing vehicle performance and safety
Part.Error code can correctly reflect whether vehicle is faulty and can instruct after-sales service personnel's fast positioning failure cause.
Entire car controller driving mouth failure reflects the current state of the part by entire car controller driving on vehicle, but existing
The verification for having the fault detection capability in technology to entire car controller driving mouth commonly relies on micro-judgment, inefficiency and standard
Exactness is often not possible to ensure that.Therefore, a kind of fault detection capability verification system of entire car controller driving mouth how is designed, whole
Verify whether the fault detection capability of entire car controller driving mouth works, correctly in car development process, and entire car controller drives
Whether dynamic part matches with the electric parameter of entire car controller, sets rationally, is those skilled in the art's skill urgently to be resolved hurrily
Art problem.
The content of the invention
It is a primary object of the present invention to provide a kind of entire car controller driving mouth detection device, for automatic by system
Verify the fault detection capability of entire car controller driving mouth.
To achieve the above object, entire car controller driving mouth detection device provided by the invention, including：
First resistor and the first relay, the first end of the first resistor are used for the flash driving for connecting entire car controller
Port, the coil of first relay are connected between feeder ear and test system, and the one of the contact of first relay
End connects the second end of the first resistor and the other end is grounded；
Second resistance and the second relay, the first end connection feeder ear of the second resistance, second relay
Coil is connected between feeder ear and test system, and one end of the contact of second relay connects the of the second resistance
Two ends and the other end are used for the low side driving port for connecting entire car controller.
Preferably, which further includes：
3rd resistor and the 3rd relay, the first end connection feeder ear of the 3rd resistor, the 3rd relay
Coil is connected between feeder ear and test system, and one end of the contact of the 3rd relay connects the of the 3rd resistor
Two ends and the other end connect the first end of the first resistor.
Preferably, which further includes：
First capacitance and the 4th relay, the cathode of first capacitance connects the first end of the first resistor, described
The coil of 4th relay is connected between feeder ear and test system, described in one end connection of the contact of the 4th relay
Anode and the other end ground connection of first capacitance.
Preferably, which further includes：
4th resistance and the 5th relay, the first end of the 4th resistance connect the another of the contact of second relay
One end, the coil of the 5th relay are connected between feeder ear and test system, and the one of the contact of the 5th relay
End connects the second end of the 4th resistance and the other end is grounded.
Preferably, which further includes：
Second capacitance and the 6th relay, the cathode connection feeder ear of second capacitance, the line of the 6th relay
Circle is connected between feeder ear and test system, and one end of the contact of the 6th relay connects the anode of second capacitance
And the other end connects the other end of the contact of second relay.
Preferably, first resistor and second resistance are adjustable resistance described in the detection device.
Preferably, the high position data line for being connected with entire car controller is connected with described in the detection device in test system
With low data line.
The present invention also provides a kind of detection method of foregoing entire car controller driving mouth detection device, include the following steps：
Step S10：Sent to entire car controller so that the instruction that flash driving port does not enable, the first relay of control break
Open, and read the error code that entire car controller is sent；
Step S20：Sent to entire car controller so that the instruction that low side driving port does not enable, the second relay of control break
Open, and read the error code that entire car controller is sent.
Preferably, include after the step S10：
Step S11：Sent to entire car controller so that the instruction that flash driving port enables, the first relay of control close
Close, and read the error code that entire car controller is sent；
Include after the step S20：
Step S21：Sent to entire car controller so that the instruction that low side driving port enables, the second relay of control close
Close, and read the error code that entire car controller is sent.
Preferably, include after the step S11 and step S21：After default cycle period, read failure
Whether code is wiped from the memory of entire car controller.
In technical scheme, entire car controller driving mouth detection device includes first resistor, the first relay, the
When two resistance and the second relay, the first relay and the second relay close, flash driving port can be simulated and low side is driven
The normal connection of moved end mouthful；When first relay and the second relay disconnect, flash driving port and the driving of low side can be simulated
The open fault of port.The present invention controls failure to occur and recover by the first relay and the second relay, and passes through survey
Test system reads the error code state that entire car controller is sent, and then is able to verify that the fault detection capability of entire car controller driving mouth
It is whether normal.Designing scheme of the invention is simple, cost is low, easy to implement.
In further technical solution, the present invention can also simulate flash driving port and low side drives being shorted to for port
Earth fault and power failure is shorted to, further verifies the fault detection capability of entire car controller driving mouth.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the circuit diagram of the entire car controller driving mouth detection device of the embodiment of the present invention.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each component, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for description purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can be mechanically connect or
It is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.For the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this area
Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize this
The combination of technical solution is not present, also not within the protection domain of application claims.
Referring to Fig. 1, entire car controller driving mouth detection device provided in an embodiment of the present invention, including at least first resistor
R1, the first relay K1, second resistance R2 and the second relay K2.The first end of the first resistor R1 is used to connect vehicle control
The coil of flash driving the port HSD, the first relay K1 of device 1 processed are connected between feeder ear VCC and test system 2,
One end of the contact of the first relay K1 connects the second end of the first resistor R1 and other end ground connection GND；Described
The first end connection feeder ear of two resistance R2, the coil of the second relay K2 are connected between feeder ear and test system 2,
One end of the contact of the second relay K2 connects the second end of the second resistance R2 and the other end is used to connect vehicle control
The low side driving port LSD of device 1 processed.
When first relay K1 and the second relay K2 are closed, flash driving port HSD and low side drive end can be simulated
The normal connection of mouth LSD；When first relay K1 and the second relay K2 are disconnected, flash driving port HSD and low can be simulated
Side drives the open fault of port LSD.The embodiment controls failure by the first relay K1 and the second relay K2
And recover, and the error code state sent by the reading entire car controller 1 of test system 2, and then it is able to verify that entire car controller drives
Whether the fault detection capability opened one's mouth is normal, and the designing scheme of the embodiment is simple, cost is low, easy to implement.
Further, power failure is shorted in order to simulate flash driving port HSD, the entire car controller of the embodiment drives
Detection device of opening one's mouth further includes 3rd resistor R3 and the 3rd relay K3, and the first end of the 3rd resistor R3 connects feeder ear,
The coil of the 3rd relay K3 is connected between feeder ear and test system 2, and the one of the contact of the 3rd relay K3
End connects the second end of the 3rd resistor R3 and the other end connects the first end of the first resistor R1.
It is normal connection when the 3rd relay K3 is disconnected.Flash driving port HSD is put in test system 2 not enable, and
And the first relay K1 and the 3rd relay K3 when closing, you can simulation flash driving port HSD is shorted to power failure.
In addition, the embodiment can also include the first capacitance C1 and the 4th relay K4 as shown in Figure 1, to simulate flash
Driving port HSD is shorted to earth fault.The cathode of the first capacitance C1 connects the first end of the first resistor R1, and described the
The coil of four relay K4 is connected between feeder ear and test system 2, one end connection of the contact of the 4th relay K4
Anode and the other end ground connection of the first capacitance C1.
It is normal connection when the 4th relay K4 is disconnected.Flash driving port HSD is put in test system 2 to enable, and
When first relay K1 and the 4th relay K4 are closed, you can simulation flash driving port HSD is shorted to earth fault.
Preferably, earth fault is shorted in order to simulate low side driving port LSD, the entire car controller driving mouth of the embodiment
Detection device further includes the 4th resistance R4 and the 5th relay K5, and the first end of the 4th resistance R4 connects second relay
The other end of the contact of device K2, the coil of the 5th relay K5 are connected between feeder ear and test system 2, and the described 5th
One end of the contact of relay K5 connects the second end of the 4th resistance R4 and the other end is grounded.
It is normal connection when the 5th relay K5 is disconnected.Side driving port LSD is set low in test system 2 not enable, and
And the second relay K2 and the 5th relay K5 when closing, you can simulate low side driving port LSD and be shorted to earth fault.
In addition, the embodiment further includes the second capacitance C2 and the 6th relay K6 as shown in Figure 1, driven with simulating low side
Port LSD is shorted to power failure.The cathode connection feeder ear of the second capacitance C2, the coil of the 6th relay K6 connect
It is connected between feeder ear and test system 2, one end of the contact of the 6th relay K6 connects the negative of the second capacitance C2
Pole and the other end connect the other end of the contact of the second relay K2.
It is normal connection when the 6th relay K6 is disconnected.Side driving port LSD is set low in test system 2 to enable, and
When second relay K2 and the 6th relay K6 are closed, you can simulate low side driving port LSD and be shorted to power failure.
Foregoing each resistance, capacitance need to select suitable value according to circuit actual conditions, it is also possible to adjustable resistance and adjustable electric
Hold, and be adjusted to suitable value, and then the electrical characteristic of part electrical load can be simulated, and can detect by entire car controller
Whether the part of 1 driving matches with the electric parameter of entire car controller 1, sets rationally.
The high position data line CAN-H and low data for being connected with entire car controller 1 are connected with the test system 2
Line CAN-L, for communicating between entire car controller 1.High position data line and low data line energy are twisted together so that
CAN bus is insensitive to electromagnetic interference.
The present invention also provides a kind of detection method of the entire car controller driving mouth detection device of previous embodiment, including such as
Lower step：
Step S10：Sent to entire car controller 1 so that the instruction that flash driving port HSD is not enabled, controls the first relay
Device K1 is disconnected, and reads the error code that entire car controller 1 is sent；
Step S20：Sent to entire car controller 1 so that the instruction that low side driving port LSD is not enabled, controls the second relay
Device K2 is disconnected, and reads the error code that entire car controller 1 is sent.
In step slo, it is able to verify that the failure for the flash driving port HSD generation open faults that entire car controller 1 is sent
Code；In step S20, the error code for the low side driving port LSD generation open faults that entire car controller 1 is sent is able to verify that.
For the needs of clear brief description technical scheme, step S10 is listed in before step S20.Should be clear
Chu, abovementioned steps S20 both can be before step S10, can also after step slo, and the present invention is not limited to this.
Further, include after the step S10：
Step S11：Sent to entire car controller 1 so that the instruction that flash driving port HSD is enabled, controls the first relay
K1 is closed, and reads the error code that entire car controller 1 is sent.
In addition, include after the step S20：
Step S21：Sent to entire car controller 1 so that the instruction that low side driving port LSD is enabled, controls the second relay
K2 is closed, and reads the error code that entire car controller 1 is sent.
In step s 11, it is able to verify that event when entire car controller 1 occurs flash driving port HSD open faults and recovers
Hinder code, it is historical failure to be normally shown with failure but error code state；In step s 12, it is able to verify that entire car controller 1 occurs
Error code when low side drives port LSD open faults and recovers, is normally shown with failure but error code state is history event
Barrier.
Further, include after the step S11 and step S21：
Step 30：After default cycle period, whether read failure code is wiped from the memory of entire car controller 1.
After default cycle period so that error code is wiped from the memory of entire car controller 1, can be so that electronic
Error code in the memory of entire car controller 1 is delivered for use in the state of emptying.
In addition, the detection method of the present invention further include it is following separately verify flash driving port HSD be shorted to power failure,
Flash driving port HSD be shorted to earth fault, it is low while drive port LSD be shorted to earth fault, it is low while drive port LSD to be shorted to
Power failure.It is respectively specifically following steps：
Step 40：Sent to entire car controller 1 so that the instruction that flash driving port HSD is not enabled, controls the first relay
Device K1 and the 3rd relay K3 are closed, and read the error code that entire car controller 1 is sent.In step 40, it is able to verify that vehicle
The flash driving port HSD that controller 1 is sent is shorted to the error code of power failure.
Step 50：Sent to entire car controller 1 so that the instruction that flash driving port HSD is enabled, controls the first relay
K1 and the 4th relay K4 are closed, and read the error code that entire car controller 1 is sent.In step 50, it is able to verify that vehicle control
The flash driving port HSD that device 1 processed is sent is shorted to the error code of earth fault.
Step 60：Sent to entire car controller 1 so that the instruction that low side driving port LSD is not enabled, controls the second relay
Device K2 and the 5th relay K5 are closed, and read the error code that entire car controller 1 is sent.In a step 60, it is able to verify that vehicle
The low side driving port LSD that controller 1 is sent is shorted to the error code of earth fault.
Step 70：Sent to entire car controller 1 so that the instruction that low side driving port LSD is enabled, controls the second relay
K2 and the 6th relay K6 are closed, and read the error code that entire car controller 1 is sent.In step 70, it is able to verify that vehicle control
The low side driving port LSD that device 1 processed is sent is shorted to the error code of power failure.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made, is directly or indirectly used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of entire car controller drives mouth detection device, it is characterised in that including：
First resistor and the first relay, the first end of the first resistor are used for the flash drive end for connecting entire car controller
Mouthful, the coil of first relay is connected between feeder ear and test system, one end of the contact of first relay
Connect the second end of the first resistor and the other end is grounded；
Second resistance and the second relay, the first end connection feeder ear of the second resistance, the coil of second relay
It is connected between feeder ear and test system, one end of the contact of second relay connects the second end of the second resistance
And low side driving port of the other end for connecting entire car controller.
2. entire car controller as claimed in claim 1 drives mouth detection device, it is characterised in that further includes：
3rd resistor and the 3rd relay, the first end connection feeder ear of the 3rd resistor, the coil of the 3rd relay
It is connected between feeder ear and test system, one end of the contact of the 3rd relay connects the second end of the 3rd resistor
And the other end connects the first end of the first resistor.
3. entire car controller as claimed in claim 1 drives mouth detection device, it is characterised in that further includes：
First capacitance and the 4th relay, the first end of the cathode connection first resistor of first capacitance, the described 4th
The coil of relay is connected between feeder ear and test system, one end connection described first of the contact of the 4th relay
Anode and the other end ground connection of capacitance.
4. entire car controller as claimed in claim 1 drives mouth detection device, it is characterised in that further includes：
4th resistance and the 5th relay, the first end of the 4th resistance connect the another of the contact of second relay
End, the coil of the 5th relay are connected between feeder ear and test system, one end of the contact of the 5th relay
Connect the second end of the 4th resistance and the other end is grounded.
5. entire car controller as claimed in claim 1 drives mouth detection device, it is characterised in that further includes：
Second capacitance and the 6th relay, the cathode connection feeder ear of second capacitance, the coil of the 6th relay connect
It is connected between feeder ear and test system, one end of the contact of the 6th relay connects the anode of second capacitance and another
One end connects the other end of the contact of second relay.
6. such as claim 1-5 any one of them entire car controller driving mouth detection device, it is characterised in that first electricity
Resistance and second resistance are adjustable resistance.
7. such as claim 1-5 any one of them entire car controller driving mouth detection device, it is characterised in that the test system
The high position data line and low data line for being connected with entire car controller are connected with system.
A kind of 8. detection method of entire car controller driving mouth detection device as claimed in claim 1, it is characterised in that including
Following steps：
Step S10：The instruction for make it that flash driving port does not enable is sent to entire car controller, the first relay of control disconnects,
And read the error code that entire car controller is sent；
Step S20：The instruction for make it that low side driving port does not enable is sent to entire car controller, the second relay of control disconnects,
And read the error code that entire car controller is sent.
9. detection method as claimed in claim 8, it is characterised in that include after the step S10：
Step S11：The instruction for make it that flash driving port enables is sent to entire car controller, the first relay of control closes, and
Read the error code that entire car controller is sent；
Include after the step S20：
Step S21：The instruction for make it that low side driving port enables is sent to entire car controller, the second relay of control closes, and
Read the error code that entire car controller is sent.
10. detection method as claimed in claim 9, it is characterised in that include after the step S11 and step S21：
After default cycle period, whether read failure code is wiped from the memory of entire car controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100724.3A CN107908176B (en) | 2017-11-09 | 2017-11-09 | Vehicle control unit driving port detection device and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100724.3A CN107908176B (en) | 2017-11-09 | 2017-11-09 | Vehicle control unit driving port detection device and detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107908176A true CN107908176A (en) | 2018-04-13 |
| CN107908176B CN107908176B (en) | 2021-03-12 |
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ID=61843849
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711100724.3A Active CN107908176B (en) | 2017-11-09 | 2017-11-09 | Vehicle control unit driving port detection device and detection method thereof |
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| Country | Link |
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| CN (1) | CN107908176B (en) |
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| CN111123151A (en) * | 2019-12-26 | 2020-05-08 | 东软睿驰汽车技术（沈阳）有限公司 | Fault detection circuit and fault detection method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107908176B (en) | 2021-03-12 |
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