CN215494054U - Wire harness testing device - Google Patents

Abstract

The disclosure relates to a wire harness testing device, which comprises a rack, a test board and a detection module; the test bench is arranged on the frame; the test board is provided with a test module, the test module comprises a pair of sockets which are oppositely arranged, and the sockets are provided with electric terminals for connecting with the wiring harness; the detection module is arranged in the test board and is wirelessly and electrically connected with the electric connection terminal through the electric connection module; the relative spacing between the two sockets of the same pair is adjustable. The interval between this disclosed test module's the socket is adjustable for single test module can be used to the detection of multiple length pencil, can reduce device volume and reduce cost by a wide margin, and convenient operation can effectively improve detection efficiency.

Description

Wire harness testing device

Technical Field

The disclosure relates to the technical field of wire harness detection equipment, in particular to a wire harness testing device.

Background

The wire harness is used for connecting input and output terminals for electric transmission or signal transmission, and is widely applied to various electrified devices and equipment. The pencil need test its electric conductive property before dispatching from the factory, and the electric conduction test generally adopts pencil testing arrangement to accomplish, and pencil testing arrangement generally includes frame, testboard and detection module, and the testboard generally is square long platform structure, sets up in the frame, is equipped with multiunit test module on the testboard, and the test module generally includes the socket that sets up in pairs, and detection module sets up in the testboard, with the electrical connection terminal electric connection on the socket. The detection module is generally composed of a common current sensing circuit, when the wire harness is detected, two ends of the wire harness are inserted into the socket and electrically connected with the electric connection terminal, the wire harness and the current sensing circuit of the detection module form a loop, a power supply is started to supply power to the loop, if current passes through the loop, the conduction performance of the wire harness is normal, the product is qualified, and otherwise, the conduction performance of the wire harness is abnormal.

Among the prior art, adopt the wire to realize electric connection between socket and the detection module, interval between two sockets is fixed, and in actual production process, the size specification of pencil has a lot of, therefore often need set up multiunit test module, it is special, but the pencil of length difference to in the same kind of interface shape, need set up the different test module of multiunit socket interval and test, this can lead to the volume of testboard to be on the large side, the whole volume that leads to the device is on the large side, need use many devices to satisfy the detection requirement of pencil commonly used even, the occupation space that can lead to pencil testing arrangement like this is big, high cost, it is also very inconvenient to operate during the test.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the present disclosure aims to provide a wire harness testing device. The interval between this disclosed test module's the socket is adjustable for single test module can be used to the detection of multiple length pencil, can reduce device volume and reduce cost by a wide margin, and convenient operation can effectively improve detection efficiency.

The wire harness testing device comprises a rack, a testing platform and a detection module; the test bench is arranged on the rack; the test board is provided with a test module, the test module comprises a pair of sockets which are oppositely arranged, and the sockets are provided with electric terminals for connecting with a wire harness; the detection module is arranged in the test board and is in wireless electrical connection with the electric connection terminal through an electric connection module; the relative spacing between two said sockets of the same pair is adjustable.

Preferably, the electric connection module comprises a transmitting end and a receiving end which can generate an electromagnetic induction phenomenon, and the transmitting end is arranged in the socket and electrically connected with the electric connection terminal; the receiving end is arranged in the detection module and is used for being in wireless electric connection with the transmitting end through an electromagnetic induction phenomenon.

Preferably, the wire harness testing device further comprises a guide rail, the guide rail extends along the length direction of the testing table, and the socket is arranged on the guide rail in a sliding mode.

Preferably, the wire harness testing device further comprises an infrared ranging module, the infrared ranging module comprises an emergent end and an induction end, and the emergent end and the induction end are oppositely arranged on the same pair of sockets.

Preferably, the number of the test modules is multiple groups, the multiple groups of test modules are respectively arranged on different side surfaces of the test bench, and two ends of the test bench are rotatably connected with the rack.

Preferably, the wire harness testing device further comprises a processor and a display screen which are arranged on the rack, and the processor is in signal connection with the detection module and the display screen respectively.

Preferably, the wire harness testing device further comprises an indicator light matched with the testing module in number, the indicator light is in one-to-one correspondence with the testing module and located beside the testing module, and the processor is in signal connection with the indicator light.

Preferably, the wire harness testing device further comprises a wire harness plate, and the wire harness plate is arranged above the testing platform and used for placing a wire harness.

The utility model discloses a pencil testing arrangement, its advantage lies in, the wireless electric connection of module is connected through the electricity between this open electrical connection terminal and the detection module, because need not the wiring between the two, make the position of socket adjustable, and then make with the relative interval between two sockets adjustable of right, can be according to the interval between two sockets of the length adjustment of pencil that awaits measuring when testing, make single test module can satisfy the test demand of multiple length pencil, just so need not to set up the test module of multiple socket interval, can reduce the volume of testboard by a wide margin, and then reduce the whole volume of device, reduce the space of device and occupy, and can show reduction device cost, also need not to look for the test module that corresponds with the pencil when testing, operation steps have been simplified, make the operation of test process more convenient, can effectively improve detection efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a wiring harness testing device according to the present disclosure;

fig. 2 is a second schematic structural diagram of a wiring harness testing device according to the present disclosure.

Description of reference numerals: the test device comprises a rack 1, a test board 2, a test module 3, a socket 31, a guide rail 4 and a wiring harness board 5.

Detailed Description

As shown in fig. 1 and 2, a wire harness testing device according to the present disclosure includes a rack 1, a testing table 2, and a detection module. The test bench 2 is usually a square long bench structure and is arranged on the frame 1. The detection module mainly comprises a conventional current sampling induction circuit, and when the circuit is conducted and current passes through the circuit, an electric signal is output outwards.

The testing module 3 comprises a pair of sockets 31 which are oppositely arranged, electric terminals for connecting with the wiring harness are arranged on the sockets 31, the sockets 31 are designed according to the shapes of plugs at two ends of the wiring harness, when the plugs at two ends of the wiring harness are respectively inserted into the two sockets 31 of the same pair, a loop is formed between the wiring harness and the detecting module, a power supply is started to supply power to the loop, if the electric conductivity of the wiring harness is normal, the loop is conducted, current passes through the loop, the detecting module outputs an electric signal outwards, otherwise, the loop is turned off, and the detecting module outputs no signal.

The applicant aims at the defects of large volume and inconvenient use of a wire harness testing device in the prior art, the characteristic that the testing current formed when a power supply is electrified in the wire harness testing process is small current is combined, the electric connection terminals of the detection module and the socket 31 are designed in a mode of wireless electric connection through the electric connection module, the existing wireless electric connection can be suitable for wireless electric energy transmission of the small current, the transmission requirement of the detection current can be met, in addition, the mode of the wireless electric connection is adopted, the socket 31 can be set into a movable structure due to the fact that the constraint of a wire is avoided, and further, the relative distance between the two sockets 31 in the same pair can be adjusted.

This disclosed pencil testing arrangement, when the test, according to the length of the pencil that awaits measuring, adjust the interval of two sockets 31 to the position with pencil length looks adaptation, then insert the plug at pencil both ends respectively in two sockets 31, start the power supply for the return circuit power supply, if pencil electric conductivity nature is normal, then the return circuit switches on, has the electric current to pass through in the return circuit, and detection module outwards exports the signal of telecommunication, otherwise the return circuit is closed, and detection module no signal output. When the wiring harness with other lengths needs to be tested, the distance between the two sockets 31 is adjusted to be matched with the length of the wiring harness.

This disclosed pencil testing arrangement, single test module 3 can satisfy the test demand of multiple length pencil, just so need not to set up the test module 3 of multiple socket 31 interval, can reduce testboard 2's volume by a wide margin, and then reduce the whole volume of device, the space that reduces the device occupies, and can show the reduction device cost, also need not to look for the test module 3 that corresponds with the pencil when the test, operation steps have been simplified, it is more convenient to make the operation of testing process, can effectively improve detection efficiency.

Furthermore, in this embodiment, the electric connection module adopts an electromagnetic induction type wireless power-on device, and the wireless power-on device is widely applied to wireless charging equipment of mobile phones and tablet computers, is a wireless power-on technology which is mature at present, and can meet the transmission requirement of small current in the test process and is stable in the transmission process. The electric connection module specifically comprises a transmitting end and a receiving end, the transmitting end is arranged in the socket 31 and is electrically connected with the electric connection terminal, the receiving end is arranged in the detection module and is electrically connected with the current sampling induction furnace of the detection module, and when the loop is electrified, an electromagnetic induction phenomenon is generated between the transmitting end and the receiving end, so that the electric connection terminal is electrically connected with the detection module.

Furthermore, in this embodiment, the wire harness testing device further includes a guide rail 4, the guide rail 4 is a damping guide rail, the guide rail 4 extends along the length direction of the testing table 2, and the bottom of the socket 31 is connected with a sliding part of the guide rail 4, so that the socket 31 is slidably connected with the guide rail 4, and further, the relative distance between the two sockets 31 is adjustable. The guide rail 4 can make the relative distance between the sockets 31 convenient to adjust, and certain friction force is provided between the sliding part of the damping guide rail and the guide rail 4, so that the sliding part can keep static when not being subjected to external force, the sockets 31 can be prevented from accidentally sliding in the test process, and the test process is more stable.

Furthermore, in this embodiment, pencil testing arrangement still includes infrared ranging module, and infrared ranging module adopts rechargeable infrared ranging module to avoid external connection line to influence the removal of socket 31, and infrared ranging module includes outgoing end and response end, and outgoing end and response end set up relatively on two sockets 31 with the right for detect the relative interval between two sockets 31, and then obtain the length of pencil in the testing process, whether reach standard with judgement pencil length. Can detect pencil length when detecting pencil conductivity through setting up infrared ranging module, further improve the efficiency that the pencil detected.

Further, the quantity of test module is the multiunit, and multiunit test module sets up respectively on the different sides of testboard 2, and the both ends of testboard 2 are passed through the hinge and are connected with frame 1 rotation. In the needle to the actual production process, there is the requirement of detecting of multiple model pencil, the plug shape diverse of the pencil of different models, therefore need set up the different test module 3 of multiunit socket 31 shape, in order to reduce the device volume, set up testboard 2 into rotatable structure, set up the test module of multiunit respectively on the different sides of testboard 2, the test module 3 that will need use when using rotate to the state up can, with make full use of testboard 2's space, further reduce the device volume.

Furthermore, in this embodiment, the wire harness testing device further includes a processor and a display screen which are arranged on the rack 1, the processor is respectively in signal connection with the detection module and the display screen, the processor can select an MCU (micro controller Unit), the processor can be used for processing the detection signal output by the detection module and outputting a qualified or unqualified detection result, and the display can be used for displaying the detection result and performing human-computer interaction.

Further, in this embodiment, pencil testing arrangement still include with 3 quantity assorted pilot lamps of test module, the pilot lamp sets up with test module 3 one-to-one, and is located test module 3's side, treater and pilot lamp signal connection, the pilot lamp can light when the pencil detects qualified to audio-visual suggestion measurement personnel, set up simultaneously in test module 3's side can be convenient for the measurement personnel and observe.

Further, in this embodiment, pencil testing arrangement still includes pencil board 5, and pencil board 5 sets up in the top of testboard 2 for place the pencil, can place the pencil that awaits measuring on pencil board 5, take when conveniently detecting.

In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the present disclosure, and in the absence of a contrary explanation, these directional terms are not intended to indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present disclosure.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present disclosure.

Claims (8)

1. A wire harness testing device is characterized by comprising a rack, a testing table and a detection module; the test bench is arranged on the rack; the test board is provided with a test module, the test module comprises a pair of sockets which are oppositely arranged, and the sockets are provided with electric terminals for connecting with a wire harness; the detection module is arranged in the test board and is in wireless electrical connection with the electric connection terminal through an electric connection module; the relative spacing between two said sockets of the same pair is adjustable.

2. The wire harness testing device according to claim 1, wherein the electrical connection module comprises a transmitting end and a receiving end capable of generating electromagnetic induction phenomenon, the transmitting end is arranged in the socket and electrically connected with the electrical terminals; the receiving end is arranged in the detection module and is used for being in wireless electric connection with the transmitting end through an electromagnetic induction phenomenon.

3. The harness testing device of claim 1, further comprising a rail extending along a length of the test station, the socket being slidably disposed on the rail.

4. The wire harness testing device according to claim 3, further comprising an infrared ranging module, wherein the infrared ranging module comprises an outgoing end and a sensing end, and the outgoing end and the sensing end are oppositely arranged on the two sockets in the same pair.

5. The wire harness testing device according to claim 1, wherein the number of the testing modules is multiple, the multiple testing modules are respectively arranged on different sides of the testing table, and two ends of the testing table are rotatably connected with the rack.

6. The wire harness testing device of claim 1, further comprising a processor and a display screen disposed on the rack, the processor being in signal connection with the detection module and the display screen, respectively.

7. The wire harness testing device according to claim 6, further comprising indicating lamps matched with the number of the testing modules, wherein the indicating lamps are arranged in one-to-one correspondence with the testing modules and located beside the testing modules, and the processor is in signal connection with the indicating lamps.

8. The harness testing device of claim 1, further comprising a harness plate disposed above the test station for placement of a harness.

Images