CN203535160U

CN203535160U - Simple wire harness conduction detector

Info

Publication number: CN203535160U
Application number: CN201320700108.2U
Authority: CN
Inventors: 王万君; 王帅; 唐国锋; 全瑞花; 曹丽娟; 王琳
Original assignee: Yantai Automobile Engineering Professional College
Current assignee: Yantai Automobile Engineering Professional College
Priority date: 2013-11-08
Filing date: 2013-11-08
Publication date: 2014-04-09
Anticipated expiration: 2023-11-08

Abstract

The utility model provides a simple wire harness conduction detector, belonging to the field of detection control. The detector includes a power supply module, a single-chip microcomputer, an audible and visual alarm module, a wire harness interface module, a button input module, and a liquid crystal display module, the modules are connected with the single-chip microcomputer, the interfaces of the two terminals of a wire harness are included in the wire harness interface module and are connected with the corresponding pins of the single-chip microcomputer via the wire harness interface module, the button input module inputs the lead number of the wire harness terminals to be measured, the single-chip microcomputer sets the pins, which are corresponding to the leads in number, in the interfaces of the two terminals of the wire harness into high level and low level respectively, the lead number and the pins at the high level and the low level are displayed on the liquid crystal display module, the two terminals of the wire harness are connected to the corresponding pins via the wire harness interface module, the single-chip microcomputer detects whether the corresponding pins switch to the low level at the same time or not, if yes, the corresponding leads in the two terminals of the wire harness are conducted, if no, the corresponding leads in the two terminals of the wire harness are disconnected, and then the audible and visual alarm module works, and the positions of the corresponding leads in the two terminals of the wire harness are displayed on the liquid crystal display module.

Description

Simple and easy wire harness conduction detector

Technical field

The utility model provides simple and easy wire harness conduction detector, belongs to detection control field.

Background technology

When wire harness in use breaks down, to wire harness, whether conducting detects accordingly in capital, utilizes the special-purpose wire harness detector of existing production expensive, and the various performances of wire harness are all needed to detect, cause the waste of resource, cost performance is not high, is directed to this, designs simple and easy wire harness conduction detector, can effectively carry out wire harness whether in conducting and wire harness which wire break down and detect, cheap, easy to use, cost performance is higher.

Summary of the invention

In view of above-mentioned, the utility model fundamental purpose is to provide simple and easy wire harness conduction detector, and testing staff can be timely and effectively to the wire harness conducting situation of using, be detected, simple in structure, have a stronger practicality.

In order to achieve the above object, the technical scheme that the present utility model is taked is: this detector by power module, single-chip microcomputer,

Sound and light alarm module, wiring harness interface module, keyboard input module, LCD MODULE forms, power module, sound and light alarm module, wiring harness interface module, keyboard input module, LCD MODULE is connected with single-chip microcomputer respectively, wiring harness interface module includes wire harness two-terminal interface, wire harness two-terminal is connected with single-chip microcomputer respective pins by wiring harness interface module, keyboard input module is inputted required measurement wire harness terminal wire quantity, single-chip microcomputer is set to respectively low and high level by the pin of corresponding same wire quantity in wire harness two-terminal interface, number of conductors, low and high level pin shows in LCD MODULE, wire harness two-terminal is connected on respectively corresponding same wire quantity in two Wiring harness terminal interfaces and is also set to respectively on the pin of low and high level, single-chip microcomputer detects wire harness two-terminal corresponding pin that interface connects and whether becomes low level simultaneously, if the low level of being all, illustrate that Wiring harness terminal inside conductor one end connects the high level that low level pin allocates pin by the height that connects of the wire other end and drags down, in wire harness two-terminal, corresponding lead two ends are conductings, if be not all low level, illustrate in wire harness two-terminal that one or some wire one end connect low level pin and the high level of the high level pin that connects of the wire other end do not dragged down, sound and light alarm module is started working, and by corresponding lead position display in wire harness two-terminal in LCD MODULE.

The utility model practicality is stronger, can greatly reduce testing staff's work efficiency, and cost performance is higher.

Accompanying drawing explanation

Fig. 1 is systematic schematic diagram of the present utility model.This device is comprised of power module (1), single-chip microcomputer (2), sound and light alarm module (3), wiring harness interface module (4), keyboard input module (5), LCD MODULE (6) system, and power module (1), sound and light alarm module (3), wiring harness interface module (4), keyboard input module (5), LCD MODULE (6) are connected with single-chip microcomputer (2) respectively.

Fig. 2 is the utility model workflow diagram.Mainly comprise keyboard input module and input required measurement wire harness terminal wire quantity (7), single-chip microcomputer is set to respectively low and high level (8) by the pin of corresponding same wire quantity in wire harness two-terminal interface, keyboard input module input measurement Wiring harness terminal number of conductors, set low and high level pin shows (9) in LCD MODULE, wire harness two-terminal is connected on respectively corresponding same wire quantity in wire harness two-terminal interface and is also set to respectively on high electric low level pin (10), single-chip microcomputer detects wire harness two-terminal corresponding pin that interface connects and whether becomes low level (11) simultaneously, in wire harness two-terminal, corresponding lead is conducting (12), in wire harness two-terminal, corresponding lead is (13) that disconnect, sound and light alarm module start working (14), corresponding lead position display (15) in LCD MODULE in wire harness two-terminal.

Embodiment

Below in conjunction with accompanying drawing, the present utility model is further detailed.

Fig. 2 is working-flow figure in the utility model, and as shown in Figure 2, its concrete steps are as follows:

Step 1 is the in the situation that of the normal work of detector, and keyboard input module is inputted required measurement wire harness terminal wire quantity (7), is convenient to further carrying out of subsequent detection work;

Step 2 single-chip microcomputer is set to respectively low and high level (8) by the pin of corresponding same wire quantity in wire harness two-terminal interface, and keyboard input module input measurement Wiring harness terminal number of conductors, set low and high level pin is shown to (9) in LCD MODULE simultaneously.

Step 3 wire harness two-terminal is connected on respectively corresponding same wire quantity in wire harness two-terminal interface and is set to respectively on the pin of low and high level (10), and single-chip microcomputer detects wire harness two-terminal corresponding pin that interface connects and whether becomes low level (11) simultaneously, if the low level of being all, illustrate that wire harness two-terminal inside conductor one end connects the high level that low level pin allocates pin by the height that connects of the wire other end and drags down, in wire harness two-terminal, corresponding lead is conducting (12), if be not all low level, illustrate in wire harness two-terminal that one or some wire one end connect low level pin and the high level of the high level pin that connects of the wire other end do not dragged down, in wire harness two-terminal, corresponding lead is (13) that disconnect, sound and light alarm module start working (14), and by corresponding lead position display in wire harness two-terminal (15) in LCD MODULE.

Claims

1. simple and easy wire harness conduction detector, its design feature is: this detector is comprised of power module (1), single-chip microcomputer (2), sound and light alarm module (3), wiring harness interface module (4), keyboard input module (5), LCD MODULE (6), and power module (1), sound and light alarm module (3), wiring harness interface module (4), keyboard input module (5), LCD MODULE (6) are connected with single-chip microcomputer (2) respectively.

2. according to the simple and easy wire harness conduction detector described in claims 1, it is characterized in that: wiring harness interface module (4) includes wire harness two-terminal interface, wire harness two-terminal is connected with single-chip microcomputer (2) respective pins by wiring harness interface module (4), keyboard input module (5) is inputted required measurement wire harness terminal wire quantity, single-chip microcomputer (2) is set to respectively low and high level by the pin of corresponding same wire quantity in wire harness two-terminal interface, and by number of conductors, set low and high level pin is in the upper demonstration of LCD MODULE (6), wire harness two-terminal is connected on respectively corresponding same wire quantity in wire harness two-terminal interface and is also set to respectively on low and high level pin, single-chip microcomputer detects wire harness two-terminal corresponding pin that interface connects and whether becomes low level simultaneously, if illustrate that wire harness two-terminal inside conductor one end connects the high level that low level pin allocates pin by the height that connects of the wire other end and drags down, in wire harness two-terminal, corresponding lead two ends are conductings, otherwise illustrate in wire harness two-terminal that one or some wire one end connect low level pin and the high level of the high level pin that connects of the wire other end do not dragged down, sound and light alarm module (3) is started working, and by corresponding lead position display in wire harness two-terminal in LCD MODULE (6).