CN108226691B - Wire harness detection device and method based on wireless communication - Google Patents
Wire harness detection device and method based on wireless communication Download PDFInfo
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- CN108226691B CN108226691B CN201710816426.8A CN201710816426A CN108226691B CN 108226691 B CN108226691 B CN 108226691B CN 201710816426 A CN201710816426 A CN 201710816426A CN 108226691 B CN108226691 B CN 108226691B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Small-Scale Networks (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a wire harness detection device based on wireless communication, which comprises a main control module: a main control computer and a wireless communication control unit; the bus beam detection module: the system comprises a master control wireless communication control unit, a program control electronic switch and a bus beam interface; harness detection module N (N ═ 1,2, …, N): a wireless communication control unit N (N ═ 1,2, …, N), a programmable electronic switch N (N ═ 1,2, …, N), a slave wire harness interface N (N ═ 1,2, …, N); PCB circuit board, etc. The method is characterized in that a wireless modular detection mode is adopted, so that the method has good universality and is suitable for various environments. The device can effectively solve the problem that whether the connection between each branch of the multi-branch wiring harness and the bus harness is complete, namely whether short circuit, short circuit and fault circuit exist or not is detected. The wireless detection mode is used for replacing the traditional complex wired connection detection device, the installation is simple, the adaptability is good, the flexibility of wire harness detection can be effectively improved, and the hardware connection complexity of a wire harness detection system is reduced. The one-key automatic detection function can be realized.
Description
Technical Field
The invention relates to the technical field of wire harness detection, in particular to a wire harness detection device and method based on wireless communication.
Technical Field
With the continuous development of electronic technology, the application of wire harnesses is more and more extensive, such as in the fields of traditional household appliances, computers, automobile telex, aerospace and the like. Wiring harnesses are an important transmission medium between various electronic devices. As the functions of electronic devices are more and more improved, the number of wire harnesses used in the electronic devices is gradually increased and the electronic devices become more complex. The integrity and reliability of the wiring harness also determine the operating state of the electrical appliances.
The wire harness generally consists of a terminal, a protective sheath, a wire, an insulating layer, and the like. The wire harness may cause poor contact between the wire and the terminal due to various reasons in the production process; the lead has the conditions of open circuit, short circuit, wrong circuit and the like. If the wire harnesses with potential safety hazards are used, the result which is hard to imagine can be caused, so that the detection work after the wire harnesses are produced is very important.
The traditional wire harness detection means includes a direct point-to-point detection method, such as a universal meter, a buzzer, an indicator lamp and the like, and detection is intuitively performed. However, as the complexity of wiring harness connections increases, these detection methods have been substantially eliminated. With the development of science and technology, modern wire harness detection methods are diversified, accuracy and detection efficiency are greatly improved, and certain development space is provided. At present, although an advanced wire harness detection electrification platform is provided and a good man-machine interaction system is provided, the whole platform is relatively large, and the portability and the flexibility are poor. Because the wired transmission detection mode is adopted, the complex line connection is difficult to overcome, when the detection platform has problems, the detection and repair process is complicated, the precious production time is delayed, and the production efficiency is reduced. When the pencil kind changes, still need change complicated testing platform interface and interconnecting link, the commonality is relatively poor, has wasted a large amount of manpower and materials.
Both the traditional detection means and the current advanced detection platform do not get rid of complex line connection, and the universality and the portability cannot be realized. Therefore, it is important to develop a modularized and universal detection device based on wireless communication.
Disclosure of Invention
The invention aims to provide a wire harness detection device and method based on wireless communication, which change the physical connection relation of a detection platform on the basis of modern detection technical means, and replace a wire with a wireless modularization mode, so that the whole wire harness detection system is greatly simplified and becomes more flexible and universal.
In order to achieve the purpose, the invention provides the following scheme:
a wire harness detection device based on wireless communication comprises a main control module, a bus harness detection module and a plurality of wire harness detection modules;
the main control module is respectively in wireless connection with the bus bundle detection module and the plurality of harness detection modules, and is used for controlling commands to the bus bundle detection module and the plurality of harness detection modules and controlling the bus bundle detection module and the plurality of harness detection modules to carry out harness detection;
the bus beam detection module is connected with the plurality of wire harness detection modules through detected wire harnesses; the bus bundle detection module and the wire harness detection module are used for judging whether each bus of a bus bundle of a detected wire harness is normally communicated with a corresponding slave wire of each bus, obtaining a detection result and sending the detection result to the main control module;
the main control module is also used for carrying out fault diagnosis according to the detection result, obtaining a fault diagnosis result and displaying the detection result and the fault diagnosis result.
Optionally, the main control module includes a main control computer and a wireless communication control unit;
the main control computer is connected with the wireless communication control unit through a USB (universal serial bus) line, and is used for allocating the addresses of the bus beam detection module and the wire harness detection module, generating a control command according to the connection relation of a detected wire harness and sending the control command to the wireless communication control unit;
the wireless communication control unit is wirelessly connected with the bus harness detection module and the harness detection module; the wireless communication control unit is used for controlling the bus harness detection module and the harness detection module according to the control command.
Optionally, the bus bundle detection module includes a master control wireless communication control unit, a master program control electronic switch, and a bus bundle interface;
the master control wireless communication control unit is wirelessly connected with the master control module, is also connected with the master control electronic switch, and is used for controlling the on and off of the master control electronic switch according to the control command and selecting the bus in the detected bus bundle of the wire harness to be detected;
the general program control electronic switch is connected with the bus beam interface;
the bus harness interface is connected with a bus harness of the tested wire harness.
Optionally, the wire harness detection module includes a slave control wireless communication control unit, a slave program control electronic switch and a slave wire harness interface;
the slave control wireless communication control unit is wirelessly connected with the master control module, is also connected with the slave program control electronic switch, and is used for controlling the on and off of the slave program control electronic switch according to the control command and selecting a slave wire in a slave wire harness of the detected wire harness to be detected;
the slave program-controlled electronic switch is connected with the slave wire harness interface;
the slave wire harness interface is connected with the slave wire harness of the tested wire harness.
Optionally, the wire harness detection device further includes a PCB, the PCB adopts an upper surface arrangement original, an antenna part of the PCB adopts a standard interface, and the PCB is provided with a pad required by a corresponding wire harness interface.
Optionally, antennas are disposed on the main control module, the bus bundle detection module and the wire bundle detection module, and the antennas are used for wirelessly connecting the main control module with the bus bundle detection module and the plurality of wire bundle detection modules respectively.
A wire harness detection method based on wireless communication is applied to the detection device and comprises the following steps:
the main control module sends the corresponding serial number and the control command of each cable in the bus bundle of the detected wire bundle to the bus bundle detection module, and sends the corresponding serial number and the control command of each cable in the slave wire bundle to the plurality of wire bundle detection modules;
after the bus beam detection module and each wire harness detection module receive the control command, the bus beam detection module is connected with one bus in the bus beams of the wire harnesses to be detected, and the buses of other wire harnesses to be detected are connected to the ground; the wire harness detection module is connected with a slave wire corresponding to the bus, and slave wire harnesses of other wire harnesses to be detected are grounded;
the slave wire harness detection module sends a pulse signal;
the bus harness detection module detects whether the bus receives a pulse signal or not, obtains a detection result and sends the detection result to the main control module;
and the main control module diagnoses whether the main line and the auxiliary line of the wire harness to be detected have faults according to the detection result, obtains a diagnosis result, and displays the detection result and the diagnosis result.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention discloses a wire harness detection device and a method based on wireless communication, wherein the wire harness detection device comprises a main control module, a bus harness detection module and a plurality of wire harness detection modules, the main control module, the bus harness detection module and the plurality of wire harness detection modules are connected in a wireless mode, a wireless communication network is adopted to replace the traditional wire connection, and the transmission of data and control commands is completed, so that the whole wire harness detection system is simplified, and is more flexible and universal.
Through the master program control electronic switch and the slave program control electronic switch, the cable bundle is cut off and closed by matching with each detection module, the sequential detection of the cables is completed, and the detection is more convenient.
The bus bundle detection module and the wire harness detection module are arranged on the PCB, and the connection between the bus bundle detection module and the wire harness detection module is realized through the internal wiring of the PCB, so that the anti-interference shielding treatment of signals is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention, drawings necessary for the embodiments will be briefly described below. It is obvious that the drawing described below is only one embodiment of the invention, and that for a person skilled in the art, other drawings can be obtained from this drawing without inventive effort.
Fig. 1 is a structural diagram of a wire harness detection device based on wireless communication according to the present invention.
Detailed Description
The invention aims to provide a wire harness detection device and method based on wireless communication, which change the physical connection relation of a detection platform on the basis of modern detection technical means, and replace a wire with a wireless modularization mode, so that the whole wire harness detection system is greatly simplified and becomes more flexible and universal.
As shown in fig. 1. The invention provides a wire harness detection device based on wireless communication, which comprises a main control module 1, a bus harness detection module 2 and a plurality of wire harness detection modules 3.
The main control module 1 includes: a main control computer and a wireless communication control unit.
The bus beam detection module 2 includes: the system comprises a master control wireless communication control unit, a master program control electronic switch and a master wire harness interface.
The plurality of harness detection modules 3, the number of which is N (N is 1,2, …, N), include: the number of the slave control wireless communication control units is N, the number of the slave program control electronic switches is N, and the number of the slave wire harness interfaces is N.
The wire harness detection device further comprises a PCB circuit board, wherein the PCB circuit board adopts an upper surface arrangement element, an antenna part of the PCB circuit board adopts a standard socket, and a welding disc required by a corresponding wire harness interface is arranged on the PCB circuit board.
The main control module 1 is mainly used for controlling each detection module; allocating an address; sending the connection relation of the detected wire harness to each detection module; and displaying the detection result.
The main control computer is used as a control center of the whole system and mainly bears control commands of each system.
The wireless communication control unit, the master control wireless communication control unit and the wireless communication control unit N (N is 1,2, …, N) mainly form a wireless communication network through an antenna, and the traditional wire connection is replaced, so that the transmission of data and control commands is completed.
The master program control electronic switch and the slave program control electronic switch N (N is 1,2, …, N) are mainly matched with each detection module to cut off and close each cable in the cable bundle, and the sequential detection of the cables is completed.
The master wire harness interface and the slave wire harness interface N (N is 1,2, …, N) are mainly used for connecting corresponding tested wire harnesses and establishing a test network.
The invention also provides a wire harness detection method based on wireless communication, which is applied to the detection device and comprises the following steps:
the main control module 1 sends the corresponding serial number and the control command of each cable in the bus bundle of the detected wire bundle to the bus bundle detection module 2, and sends the corresponding serial number and the control command of each cable in the wire bundle to the wire bundle detection modules 3;
after the bus beam detection module 2 and each wire harness detection module 3 receive the control command, the bus beam detection module 1 is connected with one bus of the bus beams of the wire harness to be detected, and connects the buses of other wire harnesses to be detected to the ground; the wire harness detection module 3 is connected with a slave wire corresponding to the bus, and slave wire harnesses of other wire harnesses to be detected are grounded;
the slave wire harness detection module 3 sends a pulse signal;
the bus harness detection module 2 detects whether the bus receives a pulse signal, obtains a detection result, and sends the detection result to the main control module 1;
and the main control module 1 diagnoses whether the main line and the auxiliary line of the wire harness to be detected have faults according to the detection result, obtains a diagnosis result, and displays the detection result and the diagnosis result.
Specifically, for the main control module, the main control computer performs digital numbering on the recorded physical connection relation graph of the tested wire harness, and allocates unique network addresses for the bus harness detection module and each wire harness detection module, so that the purpose of digitalization and high efficiency of detection is achieved. And the main control computer sends the corresponding serial number of each cable in the bus bundle to a master control wireless communication control unit in the bus bundle detection module through the wireless control unit. And the master control computer sends the corresponding serial number of each cable in the slave wire harness to each wireless communication control unit N (N is 1,2, … and N) through the wireless control unit.
For the bus bundle detection module and each bundle detection module N (N is 1,2, …, N), after receiving the detection control command from the main control module, the main control wireless communication control unit controls the program control electronic switch to connect the first cable to be detected in the bus bundle interface to the detection port of the main control wireless communication control unit, and connect the other cables to be detected to the PCB ground of the bus bundle detection module; the slave wire harness interface N (N is 1,2, …, N) correspondingly connected with the first cable to be detected is connected with the detection port of the slave wireless communication control unit N (N is 1,2, …, N) through the slave programmable electronic switch, and the cables of the corresponding other slave wire harness interfaces N (N is 1,2, …, N) are grounded through the programmable electronic switch. At this time, the bus bundle detection module and the corresponding bundle detection module N (N is 1,2, …, N) establish a common-ground relationship, and then the corresponding slave wireless communication control unit N (N is 1,2, …, N) outputs a pulse signal, and the bus bundle detection module detects whether the first cable to be tested has a pulse. If no pulse signal is detected, judging that the first cable is abnormal in connection; if the pulse signal is detected, the first cable is judged to be normally connected. And then the master control wireless communication control unit controls the program-controlled electronic switch to connect the second cable to be detected in the master control wireless communication control unit to a detection port of the master control wireless communication control unit, and the detection process is the same as the process. The fault or the abnormity is one or more of short circuit, open circuit or fault circuit.
And for the detection result, the master control wireless communication control unit uploads the detection result of each cable to the master control module through the antenna, and the master control computer displays the detection result. This design adopts wireless communication's mode, has realized detecting system's miniaturization, universalization, and the flexibility is better, adapts to multiple environment, has improved the detection efficiency of pencil.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The technical principle and the embodiments are explained by applying specific examples, the above examples are only for assisting understanding of the technical method and the core idea of the present invention, and the described examples are only examples of the present invention, and not all examples. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
Claims (5)
1. The wire harness detection device based on wireless communication is characterized by comprising a main control module, a bus harness detection module and a plurality of wire harness detection modules;
the main control module is respectively in wireless connection with the bus bundle detection module and the plurality of harness detection modules, and is used for controlling commands to the bus bundle detection module and the plurality of harness detection modules and controlling the bus bundle detection module and the plurality of harness detection modules to carry out harness detection;
the bus beam detection module is connected with the plurality of wire harness detection modules through detected wire harnesses; the bus bundle detection module and the wire harness detection module are used for judging whether each bus of a bus bundle of a detected wire harness is normally communicated with a corresponding slave wire of each bus, obtaining a detection result and sending the detection result to the main control module;
the main control module is also used for carrying out fault diagnosis according to the detection result, obtaining a fault diagnosis result and displaying the detection result and the fault diagnosis result;
the bus beam detection module comprises a master control wireless communication control unit, a master program control electronic switch and a bus beam interface;
the master control wireless communication control unit is wirelessly connected with the master control module, is also connected with the master control electronic switch, and is used for controlling the on and off of the master control electronic switch according to the control command and selecting the bus in the detected bus bundle of the wire harness to be detected;
the general program control electronic switch is connected with the bus beam interface;
the bus harness interface is connected with a bus harness of the tested wire harness;
the wire harness detection module comprises a slave control wireless communication control unit, a slave program control electronic switch and a slave wire harness interface;
the slave control wireless communication control unit is wirelessly connected with the master control module, is also connected with the slave program control electronic switch, and is used for controlling the on and off of the slave program control electronic switch according to the control command and selecting a slave wire in a slave wire harness of the detected wire harness to be detected;
the slave program-controlled electronic switch is connected with the slave wire harness interface;
the slave wire harness interface is connected with the slave wire harness of the tested wire harness.
2. The wire harness detection device based on wireless communication of claim 1, wherein the main control module comprises a main control computer and a wireless communication control unit;
the main control computer is connected with the wireless communication control unit through a USB (universal serial bus) line, and is used for allocating the addresses of the bus beam detection module and the wire harness detection module, generating a control command according to the connection relation of a detected wire harness and sending the control command to the wireless communication control unit;
the wireless communication control unit is wirelessly connected with the bus harness detection module and the harness detection module; the wireless communication control unit is used for controlling the bus harness detection module and the harness detection module according to the control command.
3. The wire harness detection device based on wireless communication of claim 1, further comprising a PCB circuit board, wherein the PCB circuit board adopts an upper surface arrangement element, an antenna part of the PCB circuit board adopts a standard interface, and a pad required by a corresponding wire harness interface is arranged on the PCB circuit board.
4. The wire harness detection device based on wireless communication according to claim 1, wherein the main control module, the bus harness detection module and the wire harness detection module are all provided with an antenna, and the antenna is used for wirelessly connecting the main control module with the bus harness detection module and the plurality of wire harness detection modules respectively.
5. A wire harness detection method based on wireless communication is characterized in that the detection method is applied to the detection device of any one of claims 1-4, and the detection method comprises the following steps:
the main control module sends the corresponding serial number and the control command of each cable in the bus bundle of the detected wire bundle to the bus bundle detection module, and sends the corresponding serial number and the control command of each cable in the slave wire bundle to the plurality of wire bundle detection modules;
after the bus beam detection module and each wire harness detection module receive the control command, the bus beam detection module is connected with one bus in the bus beams of the wire harnesses to be detected, and the buses of other wire harnesses to be detected are connected to the ground; the wire harness detection module is connected with a slave wire corresponding to the bus, and slave wire harnesses of other wire harnesses to be detected are grounded;
the slave wire harness detection module sends a pulse signal;
the bus harness detection module detects whether the bus receives a pulse signal or not, obtains a detection result and sends the detection result to the main control module;
and the main control module diagnoses whether the main line and the auxiliary line of the wire harness to be detected have faults according to the detection result, obtains a diagnosis result, and displays the detection result and the diagnosis result.
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| CN201710816426.8A CN108226691B (en) | 2017-09-12 | 2017-09-12 | Wire harness detection device and method based on wireless communication |
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| CN201710816426.8A CN108226691B (en) | 2017-09-12 | 2017-09-12 | Wire harness detection device and method based on wireless communication |
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| CN108226691B true CN108226691B (en) | 2021-01-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108896859A (en) * | 2018-07-19 | 2018-11-27 | 华霆（合肥）动力技术有限公司 | Wiring harness tester and method |
| CN110422340B (en) * | 2019-08-29 | 2024-06-18 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Power supply equipment, power supply system, cable loosening detection method and airplane |
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| CN2599595Y (en) * | 2003-01-16 | 2004-01-14 | 中国航空工业第一集团公司航空动力控制***研究所 | Line pencil detector |
| CN201527458U (en) * | 2009-10-20 | 2010-07-14 | 上海长顺电梯电缆有限公司 | Conductor bundle detecting device |
| CN206074734U (en) * | 2016-09-05 | 2017-04-05 | 延锋彼欧（沈阳）汽车外饰***有限公司 | Wire harness break-make detecting system |
| CN106646082A (en) * | 2016-12-14 | 2017-05-10 | 中航通飞研究院有限公司 | Airplane wire harness conduction detection device based on wireless router |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100351106B1 (en) * | 2000-12-20 | 2002-09-05 | 경신공업 주식회사 | Jig for inspecting automotive wiring harness |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599595Y (en) * | 2003-01-16 | 2004-01-14 | 中国航空工业第一集团公司航空动力控制***研究所 | Line pencil detector |
| CN201527458U (en) * | 2009-10-20 | 2010-07-14 | 上海长顺电梯电缆有限公司 | Conductor bundle detecting device |
| CN206074734U (en) * | 2016-09-05 | 2017-04-05 | 延锋彼欧（沈阳）汽车外饰***有限公司 | Wire harness break-make detecting system |
| CN106646082A (en) * | 2016-12-14 | 2017-05-10 | 中航通飞研究院有限公司 | Airplane wire harness conduction detection device based on wireless router |
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