CN212932913U

CN212932913U - Wireless control's pencil testing arrangement

Info

Publication number: CN212932913U
Application number: CN202020852574.2U
Authority: CN
Inventors: 吴启明
Original assignee: Shanghai Yiling Electronic Technology Co ltd
Current assignee: Shanghai Yiling Electronic Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-04-09
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a wireless control's pencil testing arrangement, including the metal casing, power supply module in the metal casing, the control PCB board of being connected with the power supply module output, the DB25 socket plug of being connected with the control PCB board, with DB25 socket plug connected's adaptor cable, the aircraft pencil of being connected with the adaptor cable pairs the aviation connector. The device is connected with one end of the aircraft wire harness to be tested through the aviation connector, and is not required to be connected to a cable tester, so that the connection structure is optimized; and secondly, testing the aircraft wiring harness by controlling the wireless control in the PCB. Compared with the prior art, the device solves the problems of large number of switching cables and complex switching relation, and greatly improves the testing efficiency.

Description

Wireless control's pencil testing arrangement

Technical Field

The utility model relates to a device test technical field, concretely relates to wireless control's pencil testing arrangement.

Background

At present, when the aircraft pencil test, adopt the cable tester to switch on, insulating, withstand voltage test the aircraft pencil. As is well known, the number of wire harnesses for each type of aircraft is hundreds, and the number of wire harnesses is thousands. The cable tester needs to conduct an insulation withstand voltage test on the aircraft wire harness, and a test board card of the cable tester needs to be in butt joint with the two end connectors of the aircraft wire harness through the transfer cable physically, so that the number of the transfer wires between the cable tester and the aircraft wire harness is inevitably large. The testing principle of the cable tester is based on ohm's law, that is, each wire is tested, and each wire and two testing addresses of the tester must form a loop, which is called as a conduction relation. The large number of patch cables also results in a very complicated conduction relationship, and the complexity of the conduction relationship directly affects the difficulty of programming and the number of errors. Therefore, the problems caused by the existing test scheme include large number of switching cables, complex conduction relation, high error rate, high troubleshooting difficulty, long troubleshooting time and low test efficiency.

Therefore, how to optimize the connection structure is needed, and the simple operation is a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

When carrying out aircraft pencil and switching on insulation withstand voltage test to prior art, there is switching cable data huge, the problem that the relation of switching on is complicated, the utility model aims to provide a wireless control's pencil testing arrangement.

In order to achieve the above object, the utility model provides a wireless control's pencil testing arrangement, including the metal casing, still include the power supply module in metal casing, the control PCB board of being connected with the power supply module output, DB25 socket plug of being connected with the control PCB board, with DB25 socket plug connection's patch cable, the aircraft pencil of being connected with the patch cable pairs the aviation connector.

Furthermore, the PCB control board is composed of a plurality of relays, a communication management module, a display module and a logic control module; the plurality of relays are symmetrically distributed on two sides of the PCB, and the communication management module, the display module and the logic control module are positioned between the relays on the two sides and are sequentially arranged on the PCB.

Furthermore, the communication management module is provided with a wireless control device.

Further, the input end of the power supply assembly is connected with a 4-core charging interface.

Further, 4 core charging interface settings are in metal casing's bottom.

Further, both sides of the DB25 plug are provided with fixing screws.

The utility model provides a wireless control's pencil testing arrangement, the device need not to be connected to the cable tester, only need connect the one end of the aircraft pencil that awaits measuring, realize the test through wireless control; the effects of simplified structure and convenient operation are achieved.

Drawings

The invention is further described with reference to the following drawings and detailed description.

FIG. 1 is a schematic circuit diagram of the present harness testing device;

FIG. 2 is a left side sectional configuration view of the present wire harness testing device;

FIG. 3 is a sectional configuration view from above of the present wire harness testing device;

FIG. 4 is an isometric test configuration of the present harness test apparatus;

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

The wire harness testing device comprises a metal shell 100, a 5V lithium battery 200 in the metal shell 100, a control PCB 300 connected with the output end of the 5V lithium battery 200, a DB25 socket 400 and a DB25 plug 500 connected with the control PCB 300, a patch cable 600 connected with the DB25 socket plug, and an aircraft wire harness pairing aviation connector 700 connected with the patch cable 600.

Referring to fig. 1, which shows a schematic circuit diagram of the present harness testing device, it can be seen that the control PCB 300 is composed of a motherboard 360, a communication management module 320, a display module 330, a logic control module 340, and 8 relays 310, which are disposed on the motherboard 360, and cooperate with each other to form a loop. Preferably, the relay 310 is a DC5V relay.

Specifically, the output end of the 5V lithium battery 200 is connected to the control PCB 300, and is used for providing power to the logic control module 340, the communication control module 320, the display module 330 and the 8 relays 310 on the motherboard 360. The 8 relays 310 are respectively positioned on two sides of the PCB and are symmetrically arranged; the communication management module 320, the display module 330 and the logic control module 340 are sequentially arranged on the motherboard 360 between the relays 310 on the two sides, and the layout is reasonable and compact; secondly, the 3V lithium battery 350 arranged in the circuit can normally provide power for some elements on the motherboard 360 when in standby, so that the stability of the circuit is further ensured.

Further, the communication control module 320 is provided with a wireless device for communicating the communication management module 320 with an upper computer of the cable tester through wireless control to obtain an execution instruction; meanwhile, the communication management module 320 feeds back the electric quantity of the communication management module and the received state information of the relay 310 to the upper computer, the collected data are transmitted to the display module 330 at the same time, and the state of the components in the device can be monitored and displayed on the display module 330.

When the communication management module 320 acquires the execution instruction, the logic control module 340 controls the relay 310 to operate according to the instruction according to the configured logic instruction, and finally, the conduction insulation and voltage resistance test of the aircraft harness is realized.

Referring to fig. 2 to 4, which are schematic structural diagrams of a wiring harness testing device, it can be seen that in the metal casing 100 of the device, an output end of a 5V lithium battery 200 is connected to a control PCB 300, an input end is connected to a 4-core charging interface 800, and the 4-core charging interface 800 is located at the bottom of the metal casing 100.

Furthermore, 8 pairs of normally open contacts on 8 relays 310 on the motherboard 360 are connected with the DB25 socket 400, and the BD25 socket 400 is docked with the DB25 plug 500 with the fixing screw 510, so that the BD25 socket 400 is connected and fixed with the DB25 plug 500. A patch cable 600 is led out from the DB25 plug 500, and the other end of the wire is connected to an aircraft connector 700 that is mated with an aircraft harness.

Preferably, patch cable 600 is 150mm in length and 16 pieces 24AWG in diameter.

In order to ensure that the service life of the adapting cable 600 is prolonged, a wear-resistant nylon woven sleeve can be sleeved outside the adapting cable 600, so that the adapting cable 600 can be well protected.

The operation of the apparatus is illustrated below.

Firstly, a connector 700 of an aviation connector of the device is connected with one end of an airplane wire harness to be tested, a communication management module 320 on a control PCB 300 is communicated with an upper computer of a cable tester through wireless control, the electric quantity information and the relay state information of the device are fed back to the upper computer, and meanwhile, the electric quantity information and the relay state information are displayed on a display module 330; then, the upper computer sends an instruction through the feedback information, after the communication control module 320 obtains the execution instruction, the logic control module 340 controls the relay 310 to work according to the instruction according to the configured logic instruction, and finally, the conduction insulation and voltage resistance test of the aircraft harness is realized.

According to the wire harness testing device with the wireless control, which is formed according to the scheme, the device is not required to be connected to a cable tester, only one end of an aircraft wire harness to be tested is required to be connected, the aircraft wire harness is tested through the wireless control, the connecting structure is optimized, the problems that the number of switching cables is large, the conduction relation is complex, the compiling difficulty of a testing program is large are solved, and the testing efficiency is greatly improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wireless control's pencil testing arrangement, includes the metal-back, its characterized in that still includes the power supply module in metal-back, the control PCB board of being connected with the power supply module output, the DB25 socket plug of being connected with the control PCB board, the patch cable of being connected with DB25 socket plug, the aircraft pencil that is connected with the patch cable pairs the aviation connector.

2. The wireless control wire harness testing device as claimed in claim 1, wherein the PCB control board is composed of a plurality of relays, a communication management module, a display module and a logic control module; the plurality of relays are symmetrically distributed on two sides of the PCB, and the communication management module, the display module and the logic control module are positioned between the relays on the two sides and are sequentially arranged on the PCB.

3. The wireless-controlled wiring harness testing device according to claim 2, wherein the communication management module is provided with a wireless control device.

4. The wireless control wiring harness testing device of claim 1, wherein the power supply component input is connected with a 4-core charging interface.

5. The wirelessly controlled wire harness testing device according to claim 4, wherein the 4-core charging interface is arranged at the bottom of the metal shell.

6. The wireless control wiring harness testing device of claim 1, wherein the DB25 plug is provided with fixing screws at two sides.