CN115980636A - Detection method - Google Patents
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- CN115980636A CN115980636A CN202211413997.4A CN202211413997A CN115980636A CN 115980636 A CN115980636 A CN 115980636A CN 202211413997 A CN202211413997 A CN 202211413997A CN 115980636 A CN115980636 A CN 115980636A
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Abstract
The invention discloses a detection method for detecting a current connecting component, which comprises the following steps: determining a connecting component corresponding to the current functional fault as a current connecting component according to the current functional fault and the definition of a controller interface; removing the wire harness terminal and short-circuiting the wire harness and the functional device; testing whether the controller can realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device; and under the condition that the controller can realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device, determining that the wire harness terminal is abnormal. According to the detection method provided by the embodiment of the invention, the functional test is carried out in a mode of removing the wire harness terminal and short-circuiting the wire harness and the functional device, so that whether the wire harness terminal is abnormal or not is judged according to the test result.
Description
Technical Field
The invention relates to a fault detection technology, in particular to a detection method.
Background
Along with the development of the intelligent electric vehicle is faster and faster, the controller of the whole vehicle is more and more. With the increase of electric control, higher requirements are also placed on the reliability of the wiring harness. The harness terminals are typically mounted in equipment terminals or in docking connectors, and are hidden from view and cannot be easily checked.
Disclosure of Invention
The embodiment of the invention provides a detection method.
The embodiment of the invention provides a detection method, which is used for detecting a current connecting assembly, wherein the current connecting assembly is used for connecting a controller and a functional device, the current connecting assembly comprises a wiring harness and a connector, the wiring harness is used for connecting the controller and the connector, the connector comprises a wiring harness terminal, and the wiring harness terminal is used for connecting the wiring harness and the functional device. The detection method comprises the following steps: determining a connecting component corresponding to the current functional fault as the current connecting component according to the current functional fault and the definition of a controller interface; removing the wire harness terminal and short-circuiting the wire harness and the functional device; testing whether the controller can realize a function corresponding to the current functional fault through the short-circuited wiring harness and the functional device; and under the condition that the controller can realize the function corresponding to the current functional fault through the short-circuited wiring harness and the functional device, determining that the wiring harness terminal is abnormal.
In certain embodiments, the detection method comprises: and under the condition that the controller cannot realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device, determining that the wire harness terminal is normal.
In some embodiments, after determining, according to the current functional failure and the controller interface definition, the connected component corresponding to the current functional failure as the current connected component, the detection method further includes: under the condition that the controller controls the current connecting assembly through voltage or current, detecting whether the total resistance value from the controller to the connector is normal or not; and under the condition that the total resistance value is normal, the step of removing the wire harness terminal and short-circuiting the wire harness and the functional device is carried out.
In certain embodiments, the detection method further comprises: checking whether the appearance of the wiring harness and the connector is obviously abnormal or not under the condition that the total resistance value is abnormal; and under the condition that the wiring harness and the connector are not obviously abnormal in appearance, the step of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device is carried out.
In certain embodiments, the detection method further comprises: and under the condition that the wiring harness and the connector are obviously abnormal in appearance, determining that the wiring harness and the connector are abnormal, and carrying out the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device.
In some embodiments, after determining, according to the current functional failure and the controller interface definition, the connected component corresponding to the current functional failure as the current connected component, the detection method further includes: under the condition that the controller controls the current connecting assembly through a pulse width modulation signal wave, detecting the pulse width modulation signal wave received by the current connecting assembly; and under the condition that the waveform state of the pulse width modulation signal wave received by the current connecting assembly is normal, the steps of removing the wire harness terminal and short-circuiting the wire harness and the functional device are carried out.
In certain embodiments, the detection method further comprises: under the condition that the waveform state of the pulse width modulation signal wave received by the current connecting component is abnormal, whether the appearance of the wiring harness and the connector is obviously abnormal is checked; and under the condition that the wiring harness and the connector are not obviously abnormal in appearance, the step of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device is carried out.
In certain embodiments, the detection method further comprises: and under the condition that the wiring harness and the connector are obviously abnormal in appearance, determining that the wiring harness and the connector are abnormal, and performing the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device.
In some embodiments, after determining, according to the current functional failure and the controller interface definition, the connected component corresponding to the current functional failure as the current connected component, the detection method further includes: measuring the resistance value of the connector; and under the condition that the resistance value of the connector is larger than a preset resistance value, determining that the wiring harness terminal is abnormal, and performing the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device.
In some embodiments, after determining, according to the current functional failure and the controller interface definition, the connected component corresponding to the current functional failure as the current connected component, the detection method further includes: determining whether the wire harness terminal has obvious abnormity in appearance; and under the condition that the wire harness terminal is obviously abnormal in appearance, determining that the wire harness terminal is abnormal, and performing the steps of removing the wire harness terminal and short-circuiting the wire harness and the functional device.
According to the detection method provided by the embodiment of the invention, the functional test is carried out in a mode of removing the wire harness terminal and short-circuiting the wire harness and the functional device, so that whether the wire harness terminal is abnormal or not is judged according to the test result.
Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic flow diagram of a detection method according to certain embodiments of the present invention;
fig. 2 is a schematic view of a wire harness terminal according to some embodiments of the present invention;
FIG. 3 is a schematic flow diagram of a detection method according to certain embodiments of the present invention;
FIG. 4 is a schematic flow chart of a detection method according to some embodiments of the present invention;
FIG. 5 is a schematic flow chart of a detection method according to some embodiments of the present invention;
FIG. 6 is a schematic flow chart of a detection method according to some embodiments of the present invention;
FIG. 7 is a schematic flow chart of a detection method according to some embodiments of the present invention;
FIG. 8 is a schematic flow chart of a detection method according to some embodiments of the present invention;
FIG. 9 is a schematic flow chart of a detection method according to some embodiments of the present invention;
FIG. 10 is a schematic flow chart of a detection method according to some embodiments of the present invention;
FIG. 11 is a schematic flow chart of a detection method according to certain embodiments of the present invention;
FIG. 12 is a schematic flow chart of a detection method according to some embodiments of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a detection method for detecting a current connection assembly, where the current connection assembly is used to connect a controller and a functional device, the current connection assembly includes a wire harness and a connector, the wire harness is used to connect the controller and the connector, the connector includes a wire harness terminal, and the wire harness terminal is used to connect the wire harness and the functional device. The detection method comprises the following steps:
01: determining a connecting component corresponding to the current functional fault as a current connecting component according to the current functional fault and the definition of a controller interface;
02: removing the wire harness terminal and short-circuiting the wire harness and the functional device;
03: testing whether the controller can realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device;
04: under the condition that the controller can realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device, the wire harness terminal is determined to be abnormal.
And step 01, determining a connecting component corresponding to the current functional fault as the current connecting component according to the current functional fault and the definition of the controller interface. Specifically, the functional fault may include a vehicle voice broadcast fault, a vehicle electronic display screen fault, and the like, the controller interface definition includes functions, working modes, and the like that each interface of the controller can implement, and which interface is corresponding to the current functional fault may be found through the controller interface definition, so as to find the corresponding connection component to serve as the current connection component. The detection method finds out a current connecting component corresponding to the current functional fault according to the current functional fault and the interface definition of the controller corresponding to the function. In other embodiments, the current functional fault further includes other functional faults such as the charging interface is not powered on, and is not specifically limited herein.
Therefore, the current connecting component corresponding to the current functional fault can be found out according to the current functional fault and the interface definition of the controller.
Therefore, the mode of removing the wiring harness terminal of the connector of the current connecting assembly is adopted, and whether the wiring harness terminal of the connector of the current connecting assembly is abnormal or not can be judged. For example, referring to fig. 2, the first and fourth views of fig. 2 are schematic views of a normal wire harness terminal, the upper end of the wire harness terminal is clearly broken in the second view of fig. 2, and the upper end of the wire harness terminal is slightly recessed and the distance between the parts is changed in the third view of fig. 2 (the change may not be apparent in appearance due to the small size of the wire harness terminal).
In other embodiments, the functional device also includes other electronic devices that provide functionality, such as: the USB interface is not limited in this embodiment.
And step 03, testing whether the controller can realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device. Specifically, after removing the wiring harness terminal of the connector of the current connecting assembly, the functional test is carried out on the controller, and whether the controller can realize the function corresponding to the current functional fault through short-circuiting the wiring harness and the functional device of the current connecting assembly is tested.
Thus, whether the wire harness terminal is abnormal or not can be judged.
And 04, under the condition that the controller can realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device, determining that the wire harness terminal is abnormal. Specifically, after the harness terminal of the connector of the current connecting assembly is removed, the controller can realize the function corresponding to the current functional fault through the short-circuited harness and the functional device of the current connecting assembly, and at the moment, it can be determined that the harness terminal of the connector of the current connecting assembly is abnormal.
Thus, it can be determined that there is an abnormality in the harness terminal of the connector of the present connection assembly.
Function test is carried out through the pencil of getting rid of the current coupling assembling's of pencil terminal and short circuit connector and the mode of function device to judge whether there is the anomaly in the pencil terminal of current coupling assembling's connector according to the test result, can fix a position the problem point fast, and the problem is checked out.
Referring to fig. 3, in some embodiments, the detection method includes:
05: and under the condition that the controller cannot realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device, determining that the wire harness terminal is normal.
Specifically, after the wiring harness terminal is removed, the controller cannot realize a function corresponding to the current functional fault through the short-circuited wiring harness and the functional device, and at this time, it is determined that the wiring harness terminal is not abnormal.
Thus, it can be determined that the harness terminal of the connector of the present connection assembly is normal.
Referring to fig. 4, in some embodiments, after determining the connected component corresponding to the current functional failure as the current connected component according to step 01 (the current functional failure and the definition of the controller interface), the detection method further includes:
06: under the condition that the controller controls the current connecting component through voltage or current, detecting whether the total resistance value from the controller to the connector is normal or not;
07: and under the condition that the total resistance value is normal, the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device are carried out.
So, whether the total resistance value of the connector of detection controller to current coupling assembling accords with preset design standard, can fix a position the problem point fast, and the problem is checked out.
Specifically, after the current connection component is found out, if the controller controls the current connection component through voltage or current, the universal meter is used for detecting whether the total resistance value of the connector from the controller to the current connection component is normal, namely whether the total resistance value meets a preset design standard, if the total resistance value is normal, the wire harness terminal of the connector of the current connection component is removed, the current connection component and the functional device are short-circuited, and then the step 02, the step 03, the step 04 and the step 05 can be executed.
In other embodiments, detecting the total resistance value of the controller to the connector of the present connection assembly may be accomplished by other means, such as: the resistance is measured using voltammetry, and is not particularly limited herein.
Referring to fig. 5, in some embodiments, the detection method further includes:
08: under the condition that the total resistance value is abnormal, whether obvious abnormality exists in the appearance of the wiring harness and the connector assembly is checked;
09: and under the condition that the wiring harness and the connector are not obviously abnormal in appearance, the steps of removing the wiring harness terminals and short-circuiting the wiring harness and the functional devices are carried out.
So, whether there is inside obvious damage or deformation through the pencil of inspection current coupling assembling and current coupling assembling's connector, can fix a position the problem point fast, and the problem of checking out.
Specifically, after the current connection component is found out, if the controller controls the current connection component through voltage or current, a universal meter is used for detecting whether the total resistance value of the connector of the current connection component from the controller to the controller is normal, namely whether the total resistance value meets a preset design standard, if the total resistance value is abnormal, whether the appearance of the wire harness of the current connection component and the appearance of the connector of the current connection component are obviously abnormal is checked, abnormal conditions comprise internal obvious damage and deformation, if the appearance of the wire harness of the current connection component and the appearance of the connector of the current connection component are not obviously abnormal, the wire harness terminal of the connector of the current connection component is removed, the current connection component and a functional device are in short circuit, and the steps 02, 03, 04 and 05 can be executed.
Referring to fig. 6, in some embodiments, the detection method further includes:
010: and under the condition that the appearance of the wiring harness and the connector is obviously abnormal, determining that the wiring harness and the connector are abnormal, and performing the steps of removing terminals of the wiring harness and short-circuiting the wiring harness and the functional device.
So, whether the pencil through inspection current coupling assembling has inside obvious damage or deformation with current coupling assembling's connector, can fix a position the problem point fast, and the problem is checked out.
Specifically, after finding out the current connection assembly, if the controller controls the current connection assembly through voltage or current, detecting whether the total resistance value of the connector of the current connection assembly from the controller is normal, if the total resistance value is abnormal, checking whether the appearance of the wire harness of the current connection assembly and the appearance of the connector of the current connection assembly are obviously abnormal, wherein the abnormality includes internal obvious damage and deformation, if the appearance of the wire harness of the current connection assembly and the appearance of the connector of the current connection assembly are obviously abnormal, determining that the wire harness of the current connection assembly and the connector of the current connection assembly are abnormal, at the moment, removing the wire harness terminal of the connector of the current connection assembly, and currently short-circuiting the connection assembly and the functional device, so that the steps 02, 03, 04 and 05 can be executed.
Referring to fig. 7, in some embodiments, after step 01 (determining the connected component corresponding to the current functional failure as the current connected component according to the current functional failure and the definition of the controller interface), the detecting method further includes:
011: under the condition that the controller controls the current connecting component through the pulse width modulation signal waves, detecting the pulse width modulation signal waves received by the current connecting component;
012: and under the condition that the waveform state of the pulse width modulation signal wave received by the current connecting assembly is normal, the steps of removing the wire harness terminal and short-circuiting the wire harness and the functional device are carried out.
Therefore, the problem point can be quickly positioned and the problem can be checked out by detecting the pulse width modulation signal wave received by the current connecting component.
Specifically, after the current connection component is found out, if the controller controls the current connection component through a Pulse Width Modulation (PWM), an oscilloscope may be used to detect whether the PWM signal wave received by the current connection component is in a normal waveform state, and if the PWM signal wave received by the current connection component is in a normal waveform state, the harness terminal of the connector of the current connection component is removed, and the current connection component and the functional device are short-circuited, so that step 02, step 03, step 04, and step 05 may be performed.
In other embodiments, the detection of the waveform state of the pwm signal wave currently received by the connecting component may also be performed by using other devices such as a power analyzer, which is not limited herein.
Referring to fig. 8, in some embodiments, the detection method further includes:
013: under the condition that the waveform state of the pulse width modulation signal wave received by the current connecting component is abnormal, whether obvious abnormality exists in the appearance of the wiring harness and the connector assembly is checked;
014: and under the condition that the wiring harness and the connector are not obviously abnormal in appearance, the steps of removing the wiring harness terminals and short-circuiting the wiring harness and the functional devices are carried out.
So, whether the pencil through inspection current coupling assembling has inside obvious damage or deformation with current coupling assembling's connector, can fix a position the problem point fast, and the problem is checked out.
Specifically, after the current connection component is found out, if the controller controls the current connection component through the pwm signal wave, an oscilloscope may be used to detect whether the pwm signal wave received by the current connection component is in a normal waveform state, if the waveform state of the pwm signal wave received by the current connection component is abnormal, the oscilloscope may be turned to check whether the harness of the current connection component and the connector of the current connection component are obviously abnormal in appearance, where the abnormality includes internal obvious damage and deformation, and if the harness of the current connection component and the connector of the current connection component are not obviously abnormal in appearance, the harness terminal of the connector of the current connection component is removed, and the current connection component and the functional device are short-circuited, so that step 02, step 03, step 04, and step 05 may be executed.
Referring to fig. 9, in some embodiments, the detection method further includes:
015: and under the condition that the appearance of the wire harness and the connector is obviously abnormal, determining that the wire harness and the connector are abnormal, and performing the steps of removing the wire harness terminal and short-circuiting the wire harness and the functional device.
So, whether there is inside obvious damage or deformation through the pencil of inspection current coupling assembling and current coupling assembling's connector, can fix a position the problem point fast, and the problem of checking out.
Specifically, after finding out the current connection assembly, if the controller controls the current connection assembly through the pulse width modulation signal wave, using an oscilloscope to detect whether the pulse width modulation signal wave received by the current connection assembly is in a normal waveform state, if the waveform state of the pulse width modulation signal wave received by the current connection assembly is abnormal, checking whether the wire harness of the current connection assembly and the connector of the current connection assembly are obviously abnormal in appearance, wherein the abnormality includes internal obvious damage and deformation, if the wire harness of the current connection assembly and the connector of the current connection assembly are obviously abnormal in appearance, it can be determined that the wire harness and the connector are abnormal, at this time, removing the wire harness terminal of the connector of the current connection assembly, and short-circuiting the current connection assembly and the functional device, so that the steps 02, 03, 04 and 05 can be executed.
Referring to fig. 10, in some embodiments, after determining the connection component corresponding to the current functional failure as the current connection component according to step 01 (the current functional failure and the definition of the controller interface), the detection method further includes:
016: measuring the resistance value of the connector; and under the condition that the resistance value of the connector is larger than the preset resistance value, determining that the wiring harness terminal is abnormal, and performing the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device.
So, measure through the direct rear end resistance to current coupling assembling's connector, can fix a position the problem point fast, and the problem is looked up out side by side.
Specifically, after the current connection assembly is found out, the rear-end resistance value of the connector of the current connection assembly is directly measured, if the rear-end resistance value of the connector of the current connection assembly is larger than a preset resistance value, it can be determined that the wire harness terminal of the connector of the current connection assembly is abnormal, the wire harness terminal of the connector of the current connection assembly is removed at the moment, the current connection assembly and the functional device are in short circuit, and step 02, step 03, step 04 and step 05 can be executed.
Referring to fig. 11, in some embodiments, after determining the connected component corresponding to the current functional failure as the current connected component according to step 01 (the current functional failure and the definition of the controller interface), the detecting method further includes:
017: determining whether the wiring harness terminal has obvious abnormality in appearance;
018: and under the condition that the appearance of the wire harness terminal is obviously abnormal, determining that the wire harness terminal is abnormal, and performing the steps of removing the wire harness terminal and short-circuiting the wire harness and the functional device.
So, whether the pencil terminal through the connector of inspection current coupling assembling has inside obvious damage or warp, can fix a position the problem point fast, and the problem is checked out.
Specifically, after the current connection assembly is found out, the harness terminal of the connector of the current connection assembly is observed, if the harness terminal of the connector of the current connection assembly is obviously abnormal in appearance, and the abnormality includes obvious internal damage and deformation, it can be determined that the harness terminal of the connector of the current connection assembly is abnormal, at this time, the harness terminal of the connector of the current connection assembly is removed, and the current connection assembly and the functional device are short-circuited, so that the steps 02, 03, 04 and 05 can be executed.
Referring to fig. 12, in one embodiment, the detecting method includes the steps of: determining a connecting assembly corresponding to the current functional fault as a current connecting assembly according to the current functional fault and the definition of a controller interface, detecting whether the total resistance value from the controller to a connector is normal by using a universal meter under the condition that the controller controls the current connecting assembly through voltage or current, and performing the steps of removing a wiring harness terminal and short-circuiting the connecting assembly and a functional device under the condition that the total resistance value is normal; under the condition that the total resistance value is abnormal, whether the appearance of the wire harness of the current connecting assembly and the appearance of the connector of the current connecting assembly are obviously abnormal or not, namely whether the interior of the wire harness of the current connecting assembly and the connector of the current connecting assembly are obviously damaged or deformed or not is detected, if the appearance of the wire harness of the current connecting assembly and the connector of the current connecting assembly is abnormal, the step of removing the wire harness terminal and short-circuiting the connecting assembly and the functional device is carried out, if the appearance of the wire harness terminal is abnormal, the step of removing the wire harness terminal and short-circuiting the connecting assembly and the functional device is directly carried out, the wire harness terminal of the connector of the current connecting assembly is removed and the current connecting assembly and the functional device are short-circuited, whether the function corresponding to the current function fault can be realized through the short-circuited wire harness and the functional device is tested by the controller, under the condition that the function corresponding to the current function fault can be realized through the short-circuited wire harness and the functional device is determined, otherwise, the wire harness terminal is determined to be abnormal.
According to the detection method provided by the embodiment of the invention, the functional test is carried out in a mode of removing the wire harness terminal and short-circuiting the wire harness and the functional device, so that whether the wire harness terminal is abnormal or not is judged according to the test result, the problem point can be quickly positioned, and the problem can be solved.
In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are in fact significant. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection unless otherwise specifically stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A detection method is used for detecting a current connection assembly, and is characterized in that the current connection assembly is used for connecting a controller and a functional device, the current connection assembly comprises a wiring harness and a connector, the wiring harness is used for connecting the controller and the connector, the connector comprises a wiring harness terminal, and the wiring harness terminal is used for connecting the wiring harness and the functional device; the detection method comprises the following steps:
determining a connecting component corresponding to the current functional fault as the current connecting component according to the current functional fault and the definition of a controller interface;
removing the wire harness terminal and short-circuiting the wire harness and the functional device;
testing whether the controller can realize a function corresponding to the current functional fault through the short-circuited wiring harness and the functional device;
and under the condition that the controller can realize the function corresponding to the current functional fault through the short-circuited wire harness and the functional device, determining that the wire harness terminal is abnormal.
2. The detection method according to claim 1, characterized in that it comprises:
and under the condition that the controller cannot realize the function corresponding to the current functional fault through the short-circuited wiring harness and the functional device, determining that the wiring harness terminal is normal.
3. The method of claim 1, wherein after determining the connected component corresponding to the current functional failure as the current connected component according to the current functional failure and the controller interface definition, the method further comprises:
under the condition that the controller controls the current connecting assembly through voltage or current, detecting whether the total resistance value from the controller to the connector is normal or not;
and under the condition that the total resistance value is normal, the step of removing the wire harness terminal and short-circuiting the wire harness and the functional device is carried out.
4. The detection method according to claim 3, further comprising:
checking whether the appearance of the wiring harness and the connector is obviously abnormal or not under the condition that the total resistance value is abnormal;
and under the condition that the wiring harness and the connector have no obvious abnormity in appearance, the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device are carried out.
5. The detection method according to claim 4, further comprising:
and under the condition that the wiring harness and the connector are obviously abnormal in appearance, determining that the wiring harness and the connector are abnormal, and performing the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device.
6. The method of claim 1, wherein after determining the connected component corresponding to the current functional failure as the current connected component according to the current functional failure and the controller interface definition, the method further comprises:
under the condition that the controller controls the current connecting assembly through a pulse width modulation signal wave, detecting the pulse width modulation signal wave received by the current connecting assembly;
and under the condition that the waveform state of the pulse width modulation signal wave received by the current connecting assembly is normal, the steps of removing the wire harness terminal and short-circuiting the wire harness and the functional device are carried out.
7. The detection method according to claim 6, further comprising:
under the condition that the waveform state of the pulse width modulation signal wave received by the current connecting component is abnormal, whether the appearance of the wiring harness and the connector is obviously abnormal is checked;
and under the condition that the wiring harness and the connector are not obviously abnormal in appearance, the step of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device is carried out.
8. The detection method according to claim 7, further comprising:
and under the condition that the wiring harness and the connector are obviously abnormal in appearance, determining that the wiring harness and the connector are abnormal, and performing the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device.
9. The method of claim 1, wherein after determining the connected component corresponding to the current functional failure as the current connected component according to the current functional failure and the controller interface definition, the method further comprises:
measuring the resistance value of the connector;
and under the condition that the resistance value of the connector is larger than a preset resistance value, determining that the wiring harness terminal is abnormal, and performing the steps of removing the wiring harness terminal and short-circuiting the wiring harness and the functional device.
10. The method of claim 1, wherein after determining the connected component corresponding to the current functional failure as the current connected component according to the current functional failure and the controller interface definition, the method further comprises:
determining whether the wire harness terminal has obvious abnormality in appearance;
and under the condition that the wire harness terminal is obviously abnormal in appearance, determining that the wire harness terminal is abnormal, and performing the steps of removing the wire harness terminal and short-circuiting the wire harness and the functional device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211413997.4A CN115980636A (en) | 2022-11-11 | 2022-11-11 | Detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211413997.4A CN115980636A (en) | 2022-11-11 | 2022-11-11 | Detection method |
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| CN115980636A true CN115980636A (en) | 2023-04-18 |
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| CN202211413997.4A Pending CN115980636A (en) | 2022-11-11 | 2022-11-11 | Detection method |
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- 2022-11-11 CN CN202211413997.4A patent/CN115980636A/en active Pending
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