CN116183981A - Wire harness detection device and method - Google Patents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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Abstract
The embodiment of the application provides a wire harness detection device and method, and relates to the technical field of production detection equipment. The wire harness detection device comprises a detection host, a host connector assembly and a detection needle assembly; the detection needle assembly comprises a first detection needle and a second detection needle, the host connector assembly comprises a first host connector and a second host connector, the first detection needle is connected with the detection host through the first host connector, and the second detection needle is connected with the detection host through the second host connector; the first detection needle and the second detection needle are respectively connected with the first connection port and the second connection port of the wire harness to be detected, and detection signals sent by the detection host sequentially pass through the first detection needle and the wire harness to be detected and return to the detection host through the second detection needle. The wire harness detection device has the advantages of improving the wire harness detection efficiency and reducing the detection cost.
Description
Technical Field
The application relates to the technical field of production detection equipment, in particular to a wire harness detection device and method.
Background
The ET (Engineering Trial) engineering debugging-design verification) state stage refers to a stage of verifying and correcting the precision of the white automobile body and the precision of each vacancy in the early stage of automobile model development; the test vehicle in the development stage of the automobile is also called a hybrid vehicle or Mule vehicle (Mule car), namely the chassis of the newly developed vehicle and the vehicle body of the reference vehicle (marker post vehicle) are hybridized together, and the test vehicle is used for verifying the chassis and the like. At present, wire harness requirements based on mule car and ET state are urgent, the quantity is relatively less, stitch change is frequent, wire harness conduction platform cost is high, manufacturing period is long, stitch definition change is difficult, so that all wire harnesses in mule car and ET state are only manually detected at present. However, the error rate of manual detection is high, the short circuit of the wire harness cannot be detected by 100%, so that the module or BMS board is burnt out, and large loss is caused.
Disclosure of Invention
An object of the embodiment of the application is to provide a wire harness detection device and a method, which can achieve the technical effects of improving the wire harness detection efficiency and reducing the detection cost.
In a first aspect, an embodiment of the present application provides a harness detection device, including a detection host, a host connector assembly, and a detection needle assembly;
the detection needle assembly comprises a first detection needle and a second detection needle, the host connector assembly comprises a first host connector and a second host connector, the first detection needle is connected with the detection host through the first host connector, and the second detection needle is connected with the detection host through the second host connector;
the first detection needle and the second detection needle are respectively connected with the first connection port and the second connection port of the wire harness to be detected, and detection signals sent by the detection host sequentially pass through the first detection needle and the wire harness to be detected and return to the detection host through the second detection needle.
In the implementation process, a first detection needle and a second detection needle in the wire harness detection device are connected with a detection host through a host connector, the detection needles are connected with a connector of a wire harness to be detected, the connection mode is that the detection needles are inserted into wire outlets of the wire harness to be detected one by one, after the connection is successful, the detection host sends out detection signals, the signals firstly pass through the first detection needle, then pass through the wire harness to be detected, finally pass through the second detection needle and return to the detection host, and the detection host processes the detection signals to generate detection results of the wire harness to be detected; the wire harness detection device is simple in structure, is suitable for all configuration wire harnesses, avoids high cost of wire harness conduction platforms or manual detection, and can achieve the technical effects of improving wire harness detection efficiency and reducing detection cost.
Further, the harness detection device further includes a first test pin connector through which the first detection pin is connected with the first host connector.
Further, the harness detection device further includes a second test pin connector through which the second detection pin is connected with the second host connector.
Further, the detection needle assembly further comprises a first harness connector through which the first detection needle is connected with the first connection interface of the harness to be detected.
Further, the detection needle assembly further comprises a second harness connector, and the second detection needle is connected with a second connection port of the harness to be detected through the second harness connector.
Further, the number of the detection pins of the first detection needle is greater than or equal to 40.
Further, the number of the detection pins of the second detection needle is the same as the number of the detection pins of the first detection needle.
An embodiment of the present application provides a wire harness detection method, which is applied to the wire harness detection device of any one of the first aspect, and the wire harness detection method includes:
the first connecting port and the second connecting port of the wire harness to be detected are respectively connected with a first detection needle and a second detection needle;
sending a detection signal to the first detection needle through a detection host;
the detection signals sequentially pass through the first detection needle, the wire harness to be detected and the second detection needle, and the detection signals returned by the second detection needle are received through the detection host;
and generating a detection result of the wire harness to be detected according to the detection signal.
In the implementation process, after the first detection needle, the wire harness to be detected and the second detection needle are successfully connected, a detection host machine sends out detection signals, the signals firstly pass through the first detection needle, then pass through the wire harness to be detected, finally pass through the second detection needle and return to the detection host machine, and the detection host machine processes the detection signals to generate detection results of the wire harness to be detected; the wire harness detection method is suitable for all configuration wire harnesses, avoids high cost of wire harness conduction tables or manual detection, and can achieve the technical effects of improving wire harness detection efficiency and reducing detection cost.
Further, before the step of generating the detection result of the wire harness to be detected from the detection signal, the method further includes:
and acquiring a preset on-off table of the wire harness to be detected.
Further, the step of generating a detection result of the wire harness to be detected according to the detection signal includes:
traversing each connection port of the wire harness to be detected, and performing the following processing on the traversed connection ports;
generating conduction state information of the connection port through the detection signal, judging whether the conduction state information accords with a preset state or not based on the preset on-off table, if so, judging that the connection port is qualified, and if not, judging that the connection port is unqualified;
and after traversing, generating a detection result of the wire harness to be detected.
In the implementation process, the conducting state between the stitch of the first detection needle and the stitch of the second detection needle is judged, and then the conducting state is compared with the on-off table preset in the detection host, so that whether the signal ports of the first detection needle/the second detection needle are consistent or not is judged, and whether the wire harness to be detected is qualified or not is further judged.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part will be obvious from the description, or may be learned by practice of the techniques disclosed herein.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a wire harness detection device according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a wire harness detection method according to an embodiment of the present application;
fig. 3 is a flow chart of another wire harness detection method according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or a point connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.
The embodiment of the application provides a wire harness detection device and method, which can be applied to wire harness detection processes such as mule car and ET states; the wire harness detection device comprises a first detection needle, a second detection needle and a detection host, wherein the first detection needle and the second detection needle are connected with the detection host through a host connector, the detection needles are connected with a connector of a wire harness to be detected, the detection needles are inserted into wire outlets of the wire harness to be detected one by one, after the connection is successful, the detection host sends out detection signals, the signals firstly pass through the first detection needle, then pass through the wire harness to be detected, finally pass through the second detection needle and return to the detection host, and the detection host processes the detection signals to generate detection results of the wire harness to be detected; the wire harness detection device is simple in structure, is suitable for all configuration wire harnesses, avoids high cost of wire harness conduction platforms or manual detection, and can achieve the technical effects of improving wire harness detection efficiency and reducing detection cost.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a harness detection device according to an embodiment of the present application, where the harness detection device includes a detection host 100, a host connector assembly 200, and a detection needle assembly 300.
Illustratively, the test needle assembly 300 includes a first test needle 310 and a second test needle 320, the host connector assembly 200 includes a first host connector 210 and a second host connector 220, the first test needle 310 is connected to the test host 100 through the first host connector 210, and the second test needle 320 is connected to the test host 100 through the second host connector 220;
illustratively, the first and second detecting needles 310 and 320 are respectively connected to the first and second connection ports of the wire harness to be detected, and the detecting signal sent by the detecting host 100 sequentially passes through the first detecting needle 310 and the wire harness to be detected and returns to the detecting host 100 via the second detecting needle 320.
Illustratively, by determining the conduction state between the pins of the first detecting needle 310 and the pins of the second detecting needle 320, and comparing with the preset on-off table in the detecting host 100, whether the signal ports of the first detecting needle 310/the second detecting needle 320 are consistent is determined, and whether the wire harness to be detected is qualified is determined.
In some embodiments, in the wire harness detection device, a first detection needle 310 and a second detection needle 320 are connected with a detection host 100 through a host connector, the detection needles are connected with a connector of a wire harness to be detected, the connection mode is that the detection needles are inserted into wire outlets of the wire harness to be detected one by one, after the connection is successful, the detection host 100 sends out detection signals, the signals firstly pass through the first detection needle 310 and then pass through the wire harness to be detected, and finally pass through the second detection needle 320 and return to the detection host 100, and the detection host 100 processes the detection signals to generate detection results of the wire harness to be detected; the wire harness detection device is simple in structure, is suitable for all configuration wire harnesses, avoids high cost of wire harness conduction platforms or manual detection, and can achieve the technical effects of improving wire harness detection efficiency and reducing detection cost.
Illustratively, the harness test device further includes a first test pin connector 410 through which the first test pin 310 is connected to the first host connector 210.
Illustratively, the harness test device further includes a second test pin connector 420 through which the second test pin 320 is connected to the second host connector 220.
Illustratively, the test needle assembly 300 further includes a first harness connector through which the first test needle 310 is connected to a first connection interface of the harness to be tested.
Illustratively, the test needle assembly 300 further includes a second harness connector through which the second test needle 320 is connected to a second connection port of the harness to be tested.
Illustratively, the first test needle 310 has a number of test pins of 40 or more.
Illustratively, the second detection pin 320 has the same number of detection pins as the first detection pin 310.
For example, current harness detection based on mule and ET conditions requires a relatively small number of stitches and frequent stitch changes; the method is to detect the wire harness through the wire harness conduction table, and the wire harness conduction table is high in cost, long in manufacturing period and difficult in stitch definition change, so that the wire harnesses in mule and ET states are all detected manually at present. However, the manual detection error rate is high, and the harness short circuit can not be detected 100%, so that the module or the BMS board is burnt out, and larger loss is caused. To above-mentioned problem, the pencil detection device that this application embodiment provided can effectively solve this problem, guarantees that mule car and ET state pencil do not have the short circuit to take place.
In some embodiments, the harness detection device mainly includes a first detection needle 310, a second detection needle 320, and a detection host 100, where the first detection needle 310, the second detection needle 320 and the detection host 100 are connected by a connector; the detection needles are connected with the connectors of the wire harness to be detected in a way that the detection needles are inserted into the wire outlets of the wire harness connector one by one;
after the connection is successful, the detection host 100 sends out a signal, the detection signal passes through the first detection needle 310, then passes through the wire harness to be detected, finally, the detection host 100 is input through the second detection needle 320, the detection host 100 judges the conduction state between each stitch of the first detection needle 310 and each stitch of the second detection needle 320 through the detection signal, and then the conduction state is compared with a preset on-off table in the detection host to judge whether the signal ports of the first detection needle 310 and the second detection needle 320 are consistent.
Optionally, the maximum socket of the existing wire harness is 40 pins, so that all pins of the same connector can be detected simultaneously, and the number of detection pins of the first detection needle 310 and the second detection needle 320 is greater than or equal to 40.
Referring to fig. 2, fig. 2 is a schematic flow chart of a wire harness detection method according to an embodiment of the present application, where the wire harness detection method is applied to the wire harness detection device shown in fig. 1, and the wire harness detection method includes the following steps:
s100: the first connecting port and the second connecting port of the wire harness to be detected are respectively connected with a first detection needle and a second detection needle;
s200: sending a detection signal to a first detection needle through a detection host;
s300: the detection signals sequentially pass through the first detection needle, the wire harness to be detected and the second detection needle, and the detection signals returned by the second detection needle are received through the detection host;
s400: and generating a detection result of the wire harness to be detected according to the detection signal.
The detection system comprises a detection host, a first detection needle, a wire harness to be detected, a second detection needle, a first detection needle, a second detection needle, a first detection needle and a second detection needle, wherein the detection signal is sent by the detection host after the first detection needle, the wire harness to be detected and the second detection needle are successfully connected; the wire harness detection method is suitable for all configuration wire harnesses, avoids high cost of wire harness conduction tables or manual detection, and can achieve the technical effects of improving wire harness detection efficiency and reducing detection cost.
Referring to fig. 2, fig. 2 is a flow chart of another wire harness detection method according to an embodiment of the present application.
Illustratively, at S400: before the step of generating the detection result of the wire harness to be detected according to the detection signal, the method further comprises:
s310: and obtaining a preset on-off table of the wire harness to be detected.
Illustratively, S400: a step of generating a detection result of the wire harness to be detected according to the detection signal, comprising:
s410: traversing each connection port of the wire harness to be detected, and carrying out the following treatment on the traversed connection ports; generating the conduction state information of the connection port through the detection signal, judging whether the conduction state information accords with a preset state or not based on a preset on-off table, if so, judging that the connection port is qualified, and if not, judging that the connection port is unqualified;
s420: and after traversing, generating a detection result of the wire harness to be detected.
By way of example, the conducting state between the stitch of the first detection needle and the stitch of the second detection needle is judged, and then the conducting state is compared with an on-off table preset in the detection host, so that whether the signal ports of the first detection needle/the second detection needle are consistent is judged, and whether the wire harness to be detected is qualified is judged.
In some embodiments, as shown in fig. 1 to 3, specific flow step examples of the method for detecting a wire harness provided in the embodiment of the present application are as follows:
the first step: firstly, inputting a preset on-off table of a wire harness to be detected into a detection host 100, wherein the internal sequence of the detection host 100 corresponds to the sequence of detection needles one by one, a detection port 1 in the detection host 100 corresponds to a port 1 of a first detection needle 310/a second detection needle 320, and a detection port n in the detection host 100 corresponds to a port n of the first detection needle 310/a second detection needle 320;
and a second step of: sequentially connecting a first connection port of the first detection needle 310 with a first connection port of the wire harness to be detected, and sequentially connecting a second connection port of the second detection needle 320 with a second connection port of the wire harness to be detected;
and a third step of: after all Pin pins of the wire harness to be detected are connected, starting testing, wherein the Pin 10 of the first wire harness connector corresponds to the Pin 5 of the second wire harness connector in a preset on-off table; (the detection signal sent by the detection host sequentially passes through the first detection needle, the wire harness to be detected and the second detection needle, and then the detection host receives the detection signal, so that the state that the 10-gauge needle of the first detection needle is communicated with the 5-gauge needle of the second detection needle can be judged, and then the detection signal is checked with the element and the on-off table which are input firstly in the host), if the connection is correct, the 10-gauge needle of the first detection needle is communicated with the 5-gauge needle of the second detection needle, the connection is displayed in a consistent way with the preset on-off table in the detection host, and if the connection is wrong, and the detection is pushed until all on-off states of the wire harness to be detected are verified to be qualified.
In all embodiments of the present application, "large" and "small" are relative terms, "more" and "less" are relative terms, "upper" and "lower" are relative terms, and the description of such relative terms is not repeated herein.
It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the application," or "as an alternative" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Thus, the appearances of the phrases "in this embodiment," "in this application embodiment," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art will also appreciate that the embodiments described in the specification are all alternative embodiments and that the acts and modules referred to are not necessarily required in the present application.
In various embodiments of the present application, it should be understood that the size of the sequence numbers of the above processes does not mean that the execution sequence of the processes is necessarily sequential, and the execution sequence of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The wire harness detection device is characterized by comprising a detection host, a host connector assembly and a detection needle assembly;
the detection needle assembly comprises a first detection needle and a second detection needle, the host connector assembly comprises a first host connector and a second host connector, the first detection needle is connected with the detection host through the first host connector, and the second detection needle is connected with the detection host through the second host connector;
the first detection needle and the second detection needle are respectively connected with the first connection port and the second connection port of the wire harness to be detected, and detection signals sent by the detection host sequentially pass through the first detection needle and the wire harness to be detected and return to the detection host through the second detection needle.
2. The wire harness inspection device of claim 1, further comprising a first test pin connector through which the first inspection pin is connected with the first host connector.
3. The wire harness inspection device of claim 1 or 2, further comprising a second test pin connector through which the second inspection pin is connected with the second host connector.
4. The wire harness inspection device of claim 1, wherein the inspection needle assembly further comprises a first wire harness connector through which the first inspection needle is connected to the first connection interface of the wire harness to be inspected.
5. The wire harness inspection device of claim 1 or 4, wherein the inspection needle assembly further comprises a second wire harness connector through which the second inspection needle is connected to the second connection port of the wire harness to be inspected.
6. The wire harness inspection device of claim 1, wherein the number of inspection pins of the first inspection pin is 40 or more.
7. The wire harness inspection device of claim 6, wherein the second inspection needle has the same number of inspection pins as the first inspection needle.
8. A wire harness detection method, characterized by being applied to the wire harness detection device according to any one of claims 1 to 7, comprising:
the first connecting port and the second connecting port of the wire harness to be detected are respectively connected with a first detection needle and a second detection needle;
sending a detection signal to the first detection needle through a detection host;
the detection signals sequentially pass through the first detection needle, the wire harness to be detected and the second detection needle, and the detection signals returned by the second detection needle are received through the detection host;
and generating a detection result of the wire harness to be detected according to the detection signal.
9. The wire harness detection method according to claim 8, characterized in that, before the step of generating the detection result of the wire harness to be detected from the detection signal, the method further comprises:
and acquiring a preset on-off table of the wire harness to be detected.
10. The wire harness detection method according to claim 9, characterized in that the step of generating the detection result of the wire harness to be detected from the detection signal includes:
traversing each connection port of the wire harness to be detected, and performing the following processing on the traversed connection ports;
generating conduction state information of the connection port through the detection signal, judging whether the conduction state information accords with a preset state or not based on the preset on-off table, if so, judging that the connection port is qualified, and if not, judging that the connection port is unqualified;
and after traversing, generating a detection result of the wire harness to be detected.
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| CN202310348022.6A CN116183981A (en) | 2023-04-04 | 2023-04-04 | Wire harness detection device and method |
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