CN115963365A - Insulation and voltage-withstanding testing device for embedded cable harness - Google Patents

Insulation and voltage-withstanding testing device for embedded cable harness Download PDF

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Publication number
CN115963365A
CN115963365A CN202211720250.3A CN202211720250A CN115963365A CN 115963365 A CN115963365 A CN 115963365A CN 202211720250 A CN202211720250 A CN 202211720250A CN 115963365 A CN115963365 A CN 115963365A
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CN
China
Prior art keywords
test
unit
tested
voltage
insulation
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Pending
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CN202211720250.3A
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Chinese (zh)
Inventor
虞正水
王宗庆
朱飞
陈雪莹
张学
孙起帆
古晓波
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Hubei Sanjiang Aerospace Group Hongyang Electromechanical Co Ltd
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Hubei Sanjiang Aerospace Group Hongyang Electromechanical Co Ltd
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Application filed by Hubei Sanjiang Aerospace Group Hongyang Electromechanical Co Ltd filed Critical Hubei Sanjiang Aerospace Group Hongyang Electromechanical Co Ltd
Priority to CN202211720250.3A priority Critical patent/CN115963365A/en
Publication of CN115963365A publication Critical patent/CN115963365A/en
Pending legal-status Critical Current

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Abstract

The embodiment of the application provides insulating and withstand voltage testing arrangement of pre-buried cable harness, relates to cable conductor test technical field, the device includes: the wiring unit is used for connecting a plurality of embedded cable harnesses to be tested; the switching unit is connected with the wiring unit and is used for switching the embedded cable harnesses to be tested to the voltage-withstanding test unit and/or the insulation test unit; the voltage-withstanding test unit is connected with the switching unit and is used for testing the voltage-withstanding performance of the embedded cable harnesses to be tested; the insulation testing unit is connected with the switching unit and used for testing the insulation resistance values of the embedded cable harnesses to be tested. This device has realized the insulating of the scattered line of buried cable, withstand voltage quick convenient test through operating on test fixture bench, has the characteristics that the test is comprehensive, efficient.

Description

Insulation and voltage-withstanding testing device for embedded cable harness
Technical Field
The application relates to the technical field of cable conductor testing, in particular to an insulation and voltage-withstanding testing device for a pre-buried cable harness.
Background
The embedded cable on the aircraft engine is usually a flat wire harness, the wire harness is composed of a large number of wires with different specifications, and in the inspection process, the insulation and pressure resistance performance among the wires in the wire harness needs to be tested.
The existing testing method is to directly connect the testing ends of the insulation resistance tester and the voltage resistance tester to one conducting wire and all other conducting wires for measurement, and the testing method has low efficiency, is easy to miss test and error test, and is difficult to accurately position when faults occur.
Therefore, it is urgently needed to provide a device capable of comprehensively and efficiently testing the insulation and pressure resistance of the embedded cable of the aircraft engine to solve the existing difficult problems.
Disclosure of Invention
The embodiment of the application provides an insulation and voltage resistance testing device for a pre-buried cable harness, and aims to solve the problems that in the past testing method, the efficiency is low, the testing is easy to miss, the error testing is easy, the fault is difficult to accurately position, and the like.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to the first aspect of the embodiment of the application, an insulation and voltage withstand test device of a pre-buried cable harness is provided, which comprises:
the wiring unit is used for connecting a plurality of embedded cable harnesses to be tested;
the switching unit is connected with the wiring unit and is used for switching the embedded cable harnesses to be tested to the voltage-withstanding test unit and/or the insulation test unit;
the voltage-withstanding test unit is connected with the switching unit and is used for testing the voltage-withstanding performance of the embedded cable harnesses to be tested;
the insulation testing unit is connected with the switching unit and used for testing the insulation resistance values of the embedded cable harnesses to be tested.
In some embodiments of the present application, based on the foregoing solution, the wiring unit includes:
and one end of the wiring terminal is connected with the switching unit, and the other end of the wiring terminal is connected with the embedded cable harness to be tested.
In some embodiments of the present application, based on the foregoing scheme, the connection terminal is a through connection terminal.
In some embodiments of the present application, based on the foregoing, the patch unit includes a patch cable, a connector plug, and a connector receptacle;
one end of the adapter cable is connected with the wiring unit, and the other end of the adapter cable is connected with the connector plug;
the connector plug and the connector socket are mutually inserted and assembled, and the connector socket is connected with the withstand voltage test unit and/or the insulation test unit.
In some embodiments of the present application, based on the foregoing scheme, the voltage withstanding test unit includes a first test tool table and a voltage withstanding tester;
the pressure resistance tester is connected with the first test tool table;
the first test tool table is connected with the connector socket.
In some embodiments of the present application, based on the foregoing solution, the insulation test unit includes a second test tool table and a megohmmeter;
the megger is connected with the second test tool table;
the second test tool table is connected with the connector socket.
In some embodiments of the present application, based on the foregoing scheme, the first test tool table and the second test tool table are the same test tool table.
In some embodiments of the application, based on the scheme, a test circuit is arranged in the test tool table, and the test circuit is provided with a plurality of connection points for connecting a plurality of embedded cable harnesses to be tested.
In some embodiments of the application, based on the foregoing scheme, the test tool table is provided with a plurality of toggle switches, and the toggle switches are used for switching the connection state of the embedded cable harness to be tested and the test circuit.
In some embodiments of the present application, based on the above scheme, the toggle switch is selected from a non-self-reset switch.
The technical scheme of this application adopts binding post to insert test fixture platform with a large amount of scattered lines in the buried cable conductor bundle, through operating on test fixture bench, has realized insulating, the withstand voltage quick convenient test of buried cable scattered line, has the characteristics that the test is comprehensive, efficient.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram illustrating an insulation and voltage resistance testing apparatus for a pre-buried cable harness according to an embodiment of the present application;
FIG. 2 illustrates a schematic diagram of a wiring connection unit structure provided according to an embodiment of the present application;
fig. 3 is a schematic diagram illustrating a structure of a transit unit according to an embodiment of the present application;
FIG. 4 illustrates a schematic internal circuit diagram of a patch cable provided in accordance with one embodiment of the present application;
FIG. 5 is a schematic structural diagram illustrating a voltage withstand test unit according to an embodiment of the present application;
FIG. 6 illustrates a schematic structural diagram of an insulation test unit provided according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a testing apparatus when the voltage withstanding testing unit and the insulation testing unit provided according to an embodiment of the present application use the same testing tool table;
FIG. 8 shows a schematic diagram of an internal test circuit of a test tool table according to an embodiment of the present application.
Description of the reference numerals
The testing device comprises a wiring terminal 1, a patch cable 2, a connector plug 3, a connector socket 4, a testing tool table 5, a toggle switch 6, a withstand voltage tester 7 and a megameter 8.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.
It should be noted that: reference herein to "a plurality" means two or more. "and/or" describe the association relationship of the associated objects, meaning that there may be three relationships, e.g., A and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
It is noted that the terms first, second and the like in the description and claims of the present application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be combined with each other without conflict.
Referring to fig. 1, a schematic structural diagram of an insulation and voltage resistance testing apparatus for embedded cable harnesses according to an embodiment of the present application is shown.
As shown in fig. 1, a possible insulation and voltage resistance testing device for embedded cable harnesses is shown, where the testing device includes a wiring unit for connecting a plurality of embedded cable harnesses to be tested; the switching unit is connected with the wiring unit and is used for switching the embedded cable harnesses to be tested to the voltage-withstanding test unit and/or the insulation test unit; the voltage-withstanding test unit is connected with the switching unit and is used for testing the voltage-withstanding performance of the embedded cable harnesses to be tested; the insulation testing unit is connected with the switching unit and used for testing the insulation resistance values of the embedded cable harnesses to be tested.
It can be understood that, when the switching unit in this embodiment switches a plurality of embedded cable harnesses to be tested, the switching unit may switch to the voltage withstanding test unit and the insulation test unit at the same time, or switch to the voltage withstanding test unit or the insulation test unit only.
Exemplarily, the voltage-withstanding test unit and the insulation test unit are arranged on the same circuit board in a centralized manner (the voltage-withstanding test unit is in circuit communication with the insulation test unit), and the switching unit is connected with the circuit board, so that a plurality of embedded cable harnesses to be tested can be switched to the voltage-withstanding test unit and the insulation test unit at the same time; and the switching unit is only connected with the voltage-withstanding test unit or the insulation test unit, so that the plurality of embedded cable harnesses to be tested can be switched to the voltage-withstanding test unit or the insulation test unit. It should be understood that the description in this example is only for convenience of understanding the connection relationship between the adaptor unit and the voltage withstanding test unit and the insulation test unit, and does not represent the technical solution of the present application, and the detailed connection relationship between the adaptor unit and the voltage withstanding test unit and the insulation test unit is described in the following embodiments of the present application.
In some possible embodiments, as shown in fig. 2, the connection unit includes a plurality of connection terminals, one end of each connection terminal is connected to the switching unit, and the other end of each connection terminal is connected to the embedded cable harness to be tested.
It can be understood that the connection terminal adopted in this embodiment is a "single-to-single" connection terminal, and a "single-to-single" connection terminal means that one end of the connection terminal can only be connected with one embedded cable harness to be tested, and the other end of the connection terminal also only has one wire to be connected with the switching unit; the wiring terminal that adopts "singly to singly" connects the buried cable pencil that awaits measuring and can improve the precision of ensureing the cable and connect, avoids appearing the phenomenon such as mistake even or concatenate.
Of course, in another embodiment, a "many-to-many" terminal may be used; when the wiring terminal is adopted, the wiring unit only comprises one wiring terminal, and the 'many-to-many' wiring terminal means that one end of the wiring terminal can be connected with a plurality of embedded cable harnesses to be tested, and the other end of the wiring terminal is correspondingly provided with a plurality of wires connected with the switching unit; the adoption of the 'many-to-many' wiring terminals can correspondingly improve the efficiency of connection; in practical cases, the "one-to-one" or "many-to-many" connection terminal may be selected according to specific situations, and this is not particularly limited.
In some possible embodiments, the connecting terminal is a through-type connecting terminal, and when a single-strand hard wire and a soft wire with a tubular end are connected, the wire can be simply inserted into the bottom of the wire pressing hole, so that the time can be reduced by 50% at most.
In some possible embodiments, based on the above solution, as shown in fig. 3, the patch unit includes a patch cable 2, a connector plug 3 and a connector receptacle 4.
One end of the adapter cable 2 is connected with the plurality of wiring terminals 1, and the other end of the adapter cable is connected with the connector plug 3; the connector plug 3 and the connector socket 4 are assembled with each other by plugging, and the connector socket 4 is connected with the withstand voltage test unit and/or the insulation test unit.
It can be understood that, in this embodiment, the connector plug 3 is a multi-core connector plug, and the connector socket 4 is a multi-core connector socket capable of being assembled with the multi-core connector plug, in a specific practical application, the number of cores of the multi-core connector plug and the multi-core connector socket can be selected according to specific situations, and when the number of cores cannot meet the number of embedded cable harnesses to be tested, a plurality of multi-core connector plugs and sockets can be selected for connection; for example, 200 embedded cable harnesses to be tested need to be tested, and the number of cores of the selected multi-core connector plug and socket is 50, then 4 multi-core connector plugs and sockets are needed to meet the connection requirement in the test process.
It should be noted that the internal circuit of the patch cable 2 has a plurality of connection points for connecting with the connection terminals and a plurality of patch points for connecting with the multi-core connector plug, as shown in fig. 4.
In some possible embodiments, based on the foregoing solution, as shown in fig. 5, the voltage withstanding test unit includes a first test tool table and a voltage withstanding tester 7.
The withstand voltage tester 7 is connected with a first test tool table, the connector socket 4 is installed on the first test tool table, and the connector plug 3 is connected with the connector socket 4 in an inserting mode and used for transferring the pre-buried cable harness to be tested received by the transfer cable 2 from the wiring terminal 1 to the first test tool table.
In some possible embodiments, based on the foregoing solution, as shown in fig. 6, the insulation test unit includes a second test tool station and a megger 8.
The megohmmeter 8 is connected with the second test fixture platform, the connector socket 4 is installed on the second test fixture platform, and the connector plug 3 is connected with the connector socket 4 in an inserting mode, so that the pre-buried cable wire harness to be tested received by the adapter cable 2 from the wiring terminal 1 is transferred to the second test fixture platform.
In some possible embodiments, based on the foregoing solution, as shown in fig. 7, the first test tool table and the second test tool table are the same test tool table 5, so as to achieve the purpose of saving cost.
It should be noted that, when a test tool table is adopted, the voltage resistance tester 7 and the megohmmeter 8 are simultaneously connected to the test tool table, the connector socket 4 is installed on the test tool table, the connector plug 3 is connected with the connector socket 4 in an inserting mode, the pre-buried cable harness to be tested, received by the adapter cable 2 from the wiring terminal 1, is switched to the test tool table, when the voltage resistance test is needed, the voltage resistance tester 7 is connected with a power supply, the voltage resistance test of the pre-buried cable harness to be tested can be realized by opening the switch, when the insulation performance test is needed, the megohmmeter 8 is connected with the power supply, and the insulation performance test of the pre-buried cable harness to be tested can be realized by opening the switch.
When two testing tool tables are adopted, a voltage resistance tester 7 and a megohmmeter 8 are respectively connected with a first testing tool table and a second testing tool table, when voltage resistance testing is needed, a connector socket 4 is installed on the first testing tool table, a connector plug 3 is connected with the connector socket 4 in an inserting mode, a pre-buried cable harness to be tested, which is received by a transfer cable 2 from a wiring terminal 1, is transferred to the first testing tool table, the voltage resistance tester 7 is connected with a power supply, and the voltage resistance testing of the pre-buried cable harness to be tested can be realized by opening a switch; when the insulation performance test is needed, the connector socket 4 is installed on the second test tool table, the connector plug 3 is connected with the connector socket 4 in an inserting mode, the pre-buried cable harness to be tested received by the adapter cable 2 from the wiring terminal 1 is transferred to the second test tool table, the megameter 8 is connected with a power supply, and the insulation performance test of the pre-buried cable harness to be tested can be achieved by turning on the switch. It should be noted that the voltage resistance test and the insulation performance test cannot be performed simultaneously.
It should be noted that, when the voltage withstanding test unit and the insulation test unit adopt the same test tool table, the connector socket is installed on the test tool table, so that the plurality of embedded cable harnesses to be tested can be switched to the voltage withstanding test unit and the insulation test unit; when the voltage-withstanding test unit and the insulation test unit respectively adopt one test tool table, the connector socket is respectively installed on the test tool table on the voltage-withstanding test unit or the insulation test unit, and the purpose of switching a plurality of embedded cable harnesses to be tested to the voltage-withstanding test unit or the insulation test unit can be achieved.
In some possible embodiments, as shown in fig. 8, a test circuit is disposed in the test tool table 5, and the test circuit has a plurality of connection points, each of which is used for connecting with a spliced embedded cable harness to be tested.
The testing tool table 5 is provided with a plurality of toggle switches 6, one pre-buried cable harness to be tested corresponds to one toggle switch, the toggle switches 6 are used for switching the connection state (switching between positive and negative) of the pre-buried cable harness to be tested and a testing circuit, referring to fig. 6, S1 to S10 are the toggle switches, numbers 1 to 10 are the pre-buried cable harnesses to be tested in switching, taking the pre-buried cable harness 1 to be tested as an example, the pre-buried cable harness 1 to be tested is connected to the negative electrode of the testing circuit, if the toggle switch S1 is pressed, the pre-buried cable harness 1 to be tested can be connected to the positive electrode of the testing circuit, and then switching between the positive electrode and the negative electrode of the pre-buried cable harness 1 to be tested on the testing circuit is achieved.
In some possible embodiments, the button switch is a non-self-resetting switch, so as to ensure that the button switch can be pressed down to keep the current connection state for testing. It is understood that a non-self-resetting switch refers to a switch that does not automatically reset.
When the voltage resistance test is carried out, the pre-buried cable harness to be tested received by the adapter cable 2 from the wiring terminal 1 is firstly switched to the test tool table 5 through the connector plug 3 and the connector socket 4, then the voltage resistance tester 7 is connected with a power supply, the switch is turned on, and then the button switch 6 is sequentially toggled, so that the voltage resistance test between each wire and other wires of the harness to be tested can be realized.
When carrying out the insulating properties test, give test fixture platform 5 through connector plug 3, connector socket 4 with the built-in cable pencil switching of awaiting measuring that adapter cable 2 received from binding post 1, connect the power with megohmmeter 8 again, open the switch, then toggle button sub-switch 6 in proper order, then can realize the insulating properties test between every wire of pencil that awaits measuring and other wires.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit according to embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. The utility model provides an insulating and withstand voltage testing arrangement of pre-buried cable harness which characterized in that includes:
the wiring unit is used for connecting a plurality of embedded cable harnesses to be tested;
the switching unit is connected with the wiring unit and is used for switching the embedded cable harnesses to be tested to the voltage-withstanding test unit and/or the insulation test unit;
the voltage-withstanding test unit is connected with the switching unit and is used for testing the voltage-withstanding performance of the embedded cable harnesses to be tested;
the insulation testing unit is connected with the switching unit and used for testing the insulation resistance values of the embedded cable harnesses to be tested.
2. The apparatus of claim 1, wherein the wiring unit comprises:
and one end of the wiring terminal is connected with the switching unit, and the other end of the wiring terminal is connected with the embedded cable harness to be tested.
3. The device of claim 2, wherein the terminals are selected from through terminals.
4. The apparatus of claim 1, wherein the patching unit comprises a patching cable, a connector plug, and a connector receptacle;
one end of the adapter cable is connected with the wiring unit, and the other end of the adapter cable is connected with the connector plug;
the connector plug is assembled with the connector socket in an inserting mode, and the connector socket is connected with the voltage-withstanding testing unit and/or the insulation testing unit.
5. The device of claim 4, wherein the withstand voltage test unit comprises a first test tool table and a withstand voltage tester;
the pressure resistance tester is connected with the first test tool table;
the first test tool table is connected with the connector socket.
6. The apparatus of claim 5, wherein the insulation test unit comprises a second test fixture and a megohmmeter;
the megger is connected with the second test tool table;
the second test tool table is connected with the connector socket.
7. The device of claim 6, wherein the first test tool station and the second test tool station are the same test tool station.
8. The device as claimed in claim 7, wherein a test circuit is arranged in the test tool table, and the test circuit is provided with a plurality of connection points for connecting a plurality of embedded cable harnesses to be tested.
9. The device as claimed in claim 8, wherein a plurality of button switches are arranged on the test tool table, and the button switches are used for switching the connection state of the embedded cable harness to be tested and the test circuit.
10. The device of claim 9, wherein the toggle switch is selected to be a non-self-resetting switch.
CN202211720250.3A 2022-12-30 2022-12-30 Insulation and voltage-withstanding testing device for embedded cable harness Pending CN115963365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211720250.3A CN115963365A (en) 2022-12-30 2022-12-30 Insulation and voltage-withstanding testing device for embedded cable harness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211720250.3A CN115963365A (en) 2022-12-30 2022-12-30 Insulation and voltage-withstanding testing device for embedded cable harness

Publications (1)

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CN115963365A true CN115963365A (en) 2023-04-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117825900A (en) * 2024-03-06 2024-04-05 南通佳谬电气科技有限公司 Pressure-resistant testing device and method for embedded cable harness

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117825900A (en) * 2024-03-06 2024-04-05 南通佳谬电气科技有限公司 Pressure-resistant testing device and method for embedded cable harness
CN117825900B (en) * 2024-03-06 2024-05-10 南通佳谬电气科技有限公司 Pressure-resistant testing device and method for embedded cable harness

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