阅读说明：本技术 线束检测装置及方法 (Wire harness detection device and method ) 是由 王秀鑫 王涛 宋兴鑫 高鑫 于 2019-09-24 设计创作，主要内容包括：本申请提供一种线束检测装置及方法,该线束检测装置包括：供电模块、控制芯片、显示装置、控制面板、电压采集模块、第一检测模块和第二检测模块。在进行线束检测时,控制面板获取用户的输入信号,并将输入信号发送给控制芯片,控制芯片根据输入信号,控制第一检测模块和/或第二检测模块工作,并控制电压采集模块采集电压信号,控制芯片根据电压采集模块采集的电压信号进行逻辑运算,得到检测结果,控制芯片控制显示装置显示检测结果,从而实现对待检测线束的检测,本申请提供的线束检测装置操作简单且检测精度高,便于对出厂后车辆的线束进行检测,有利于提高发动机电控系统的可靠性。(The application provides a wire harness detection device and a method, wherein the wire harness detection device comprises: the device comprises a power supply module, a control chip, a display device, a control panel, a voltage acquisition module, a first detection module and a second detection module. When carrying out pencil and examining, control panel acquires user's input signal, and send input signal for control chip, control chip is according to input signal, control first detection module and/or the work of second detection module, and control voltage acquisition module gathers voltage signal, control chip carries out logical operation according to the voltage signal that voltage acquisition module gathered, obtain the testing result, control chip control display device shows the testing result, thereby realize the detection to waiting to detect the pencil, the pencil detection device easy operation that this application provided just detects the precision height, be convenient for detect the pencil of the back vehicle of dispatching from the factory, be favorable to improving engine electric control system's reliability.)

1. A wire harness detecting device, comprising:

The device comprises a power supply module, a control chip, a display device, a control panel, a voltage acquisition module, a first detection module and a second detection module;

The power supply module is connected with the control chip and supplies power to the wire harness detection device;

The control chip is respectively connected with the display device, the control panel, the voltage acquisition module, the first detection module and the second detection module;

the voltage acquisition module is respectively connected with the first detection module and the second detection module;

When the power supply wire harness and/or the fuel injector wire harness are/is detected, the first detection module is connected with the power supply wire harness to be detected to form a loop, and/or the second detection module is connected with the fuel injector wire harness to be detected to form a loop;

The control panel acquires an input signal of a user and sends the input signal to the control chip, and the control chip controls the first detection module and/or the second detection module to work according to the input signal and controls the voltage acquisition module to acquire a voltage signal;

the control chip performs logical operation according to the voltage signal acquired by the voltage acquisition module to obtain a detection result;

And the control chip controls the display device to display the detection result.

2. The harness detection device according to claim 1, wherein the first detection module comprises:

the device comprises a driving circuit, a control switch and a detection resistor;

The driving circuit is respectively connected with the control chip and the control switch, and the control switch is connected with the detection resistor;

when the power supply wiring harness is detected, the driving circuit, the control switch, the detection resistor and the power supply wiring harness to be detected form a loop;

the control chip controls the state of the control switch through the driving circuit and controls the voltage acquisition module to acquire voltage signals in a loop formed by the driving circuit, the control switch, the detection resistor and the power supply line bundle to be detected.

3. the wire harness detection device according to claim 2, wherein the control switch is a relay.

4. The wire harness detection device according to any one of claims 1 to 3, wherein the fuel injector wire harness detection module comprises: a constant current output module;

the constant current output module is connected with the control chip;

When the fuel injector wire harness is detected, the constant voltage output module and the fuel injector wire harness to be detected form a loop;

The control chip controls the constant current output module to output constant current and controls the voltage acquisition module to acquire voltage signals in a loop formed by the constant voltage output module and a wire harness of the oil sprayer to be detected.

5. The wire harness detection device according to claim 4, wherein the control chip is a single chip microcomputer.

6. a wire harness detection method is applied to a wire harness detection device, and the wire harness detection device comprises: the device comprises a power supply module, a control chip, a display device, a control panel, a voltage acquisition module, a first detection module and a second detection module; the power supply module is connected with the control chip and supplies power to the wire harness detection device; the control chip is respectively connected with the display device, the control panel, the voltage acquisition module, the first detection module and the second detection module; the voltage acquisition module is respectively connected with the first detection module and the second detection module; the wire harness detection method includes:

When a power supply wire harness and/or an oil sprayer wire harness are/is detected, the control panel acquires an input signal of a user and sends the input signal to the control chip;

The control chip analyzes the input signal to obtain an analysis result;

The control chip controls the first detection module and/or the second detection module to work according to the analysis result, and controls the voltage acquisition module to acquire a voltage signal;

The voltage acquisition module sends the acquired voltage signal to the control chip;

The control chip performs logic operation according to the voltage signal to obtain a detection result;

And the control chip controls the display device to display the detection result.

7. The wire harness detection method according to claim 6, wherein the first detection module includes: the device comprises a driving circuit, a control switch and a detection resistor; the driving circuit is respectively connected with the control chip and the control switch, and the control switch is connected with the detection resistor;

When the analysis result indicates to carry out power supply wiring harness detection, control chip controls according to the analysis result first detection module and/or the work of second detection module, and control voltage acquisition module gathers voltage signal, includes:

the control chip controls the control switch to be open-circuited through the driving circuit;

The control chip controls the voltage acquisition module to acquire a first voltage value at two ends of the power supply wire bundle to be detected;

The control chip controls the control switch to be closed through a driving circuit;

And the control chip controls the voltage acquisition module to acquire a second voltage value at two ends of the power supply wire bundle to be detected.

8. the wire harness detecting method according to claim 7, wherein the controlling chip performs a logical operation according to the test information to obtain a detection result, comprising:

the control chip calculates the resistance value of the power supply harness to be detected according to the first voltage value, the second voltage value and the resistance value of the detection resistor; the detection result comprises the resistance value of the power supply harness to be detected.

9. The wire harness detection method according to claim 6, wherein the second detection module includes: a constant current output module; the constant current output module is connected with the control chip;

when the analysis result indicates to perform the detection of the fuel injector wire harness, the control chip controls the first detection module and/or the second detection module to work according to the analysis result, and controls the voltage acquisition module to acquire a voltage signal, including:

the control chip controls the constant current output module to provide current for the fuel injector wire harness to be detected;

and the control chip controls the voltage acquisition module to acquire a third voltage value at two ends of the fuel injector wire harness to be detected.

10. The wire harness detecting method according to claim 9, wherein the controlling chip performs a logical operation according to the voltage signal to obtain a detection result, comprising:

The control chip calculates the resistance value of the oil sprayer wire harness to be detected according to the third voltage value and the current value output by the constant current output module; the detection result comprises the resistance value of the fuel injector wire harness to be detected.

11. the wire harness detection method according to claim 6, wherein the first detection module includes: the device comprises a driving circuit, a control switch and a detection resistor; the second detection module includes: a constant current output module; the control chip is respectively connected with the drive circuit and the constant current output module; the driving circuit is connected with the control switch; the control switch is connected with the detection resistor;

when the analysis result indicates to perform power supply line bundle detection and injector line bundle detection, the control chip controls the first detection module and/or the second detection module to work according to the analysis result, and controls the voltage acquisition module to acquire a voltage signal, including:

The control chip controls the control switch to be open-circuited through the driving circuit;

The control chip controls the voltage acquisition module to acquire a first voltage value at two ends of the power supply wire bundle to be detected;

the control chip controls the control switch to be closed through a driving circuit;

the control chip controls the voltage acquisition module to acquire a second voltage value at two ends of the power supply wire bundle to be detected;

the control chip controls the constant current output module to provide current for the fuel injector wire harness to be detected;

And the control chip controls the voltage acquisition module to acquire a third voltage value at two ends of the fuel injector wire harness to be detected.

12. The wire harness detecting method according to claim 11, wherein the controlling chip performs a logical operation according to the test information to obtain a detection result, comprising:

The control chip calculates the resistance value of the power supply harness to be detected according to the first voltage value, the second voltage value and the resistance value of the detection resistor;

the control chip calculates the resistance value of the oil sprayer wire harness to be detected according to the third voltage value and the current value output by the constant current output module;

The detection result comprises the resistance value of the power supply wire bundle to be detected and the resistance value of the fuel injector wire bundle to be detected.