CN106199321B - Connecting wire line sequence detection device - Google Patents
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- CN106199321B CN106199321B CN201610573077.7A CN201610573077A CN106199321B CN 106199321 B CN106199321 B CN 106199321B CN 201610573077 A CN201610573077 A CN 201610573077A CN 106199321 B CN106199321 B CN 106199321B
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- 238000001514 detection method Methods 0.000 title claims abstract description 87
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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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
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a connecting wire sequence detection device, which comprises: the device comprises a detection unit, a first interface unit and a second interface unit; the first interface unit and the second interface unit are respectively connected with interfaces at two ends of the connecting wire; the detection unit inputs signals to each cable of the connecting line to the first interface unit, receives output signals transmitted from each cable from the second interface unit, and judges whether the line sequence of the connecting line is correct according to whether the output signals corresponding to the input signals can be received or not. According to the scheme provided by the invention, the line sequence of the connecting line can be automatically tested, and the line sequence error is avoided.
Description
Technical Field
The present disclosure relates to detection devices, and particularly to a device for detecting a wire sequence of a connecting wire.
Background
A connection line is a cable for interconnection between two devices to provide transmission of resources of power, data, signals, etc., and in some cases, has multiple cables, and in order to correctly transmit the resources, it is necessary to ensure that the line sequence of the connection line is correct at both ends of the connection line. The connection line sequence detection is a test performed to confirm whether the connection line sequence is correct.
When the air conditioner unit is taken as an example, and no main chip is arranged on the display lamp panel, the display lamp panel is connected with a main board with the main chip through a connecting wire comprising a plurality of strands of cables among boards, so that whether the line sequence of the connecting wire is correct or not is tested, the display lamp panel is connected to see whether the line sequence is correct or not completely, the test link is a product test assembly link, the operation is complex, and the test efficiency is low.
At present, although some line sequence detecting devices can judge the line sequence in advance, for example, a resistor voltage dividing mode is adopted for detection, the ageing of the resistor and the attenuation of the precision can lead to error results. In addition, the existing line sequence detection product is basically only aimed at a certain specific cable such as a network cable, and in the actual application process, the connecting line interfaces are of different types, the connecting relationship can be in various relationships according to the needs, and the correctness of the connecting line sequence cannot be judged by using a fixed logic.
Disclosure of Invention
In view of this, the invention provides a connecting wire sequence detecting device, which can effectively improve the detecting efficiency and the accuracy and is applicable to different types of adapting interfaces of plug connectors.
According to an aspect of the present invention, there is provided a connection line sequence detecting apparatus including: the device comprises a detection unit, a first interface unit and a second interface unit; the first interface unit and the second interface unit are respectively connected with interfaces at two ends of the connecting wire; the detection unit provides signals for each cable of the connecting line through the first interface unit, receives output signals transmitted from each cable from the second interface unit, and judges whether the line sequence of the connecting line is correct according to whether the output signals corresponding to the input signals can be received or not.
Further, the detection unit includes:
sequentially providing signals to a plurality of interfaces of a first interface unit connected to an interface of one end of a connection line in a predetermined order;
detecting whether a corresponding interface of a plurality of interfaces of a second interface unit connected to the interface at the other end of the connecting line has signal output according to the correct line sequence;
when the corresponding interface is detected to have signal output, the position sequence of the cable corresponding to the interface is judged to be correct, and when the position sequences of all the cables of the connecting line are correct, the wire sequence of the connecting line is judged to be correct.
Further, the detecting unit sequentially supplying signals in a predetermined order to the plurality of interfaces of the first interface unit connected to the one end interface of the connection line includes:
the detection unit directly inputs signals to the plurality of interfaces of the first interface unit connected to the one end interface of the connection line in sequence in a predetermined order.
Further, the first interface unit further comprises a detection signal input interface; wherein,
the detecting unit sequentially supplying signals to the plurality of interfaces of the first interface unit connected to the one end interface of the connection line in a predetermined order includes:
the detection unit provides signals to the first interface unit through the detection signal input interface and controls the interfaces of the first interface unit to sequentially receive the provided signals from the detection signal input interface according to a preset sequence;
or,
the detection unit controls the plurality of interfaces of the first interface unit to sequentially receive signals provided by an external signal source from the detection signal input interface through the detection signal input interface in a predetermined order.
Further, the first interface unit further comprises a first control signal input interface;
the detection unit inputs a control signal through the first control signal input interface to control the plurality of interfaces of the first interface unit to sequentially receive signals from the detection signal input interface in a predetermined order.
Further, the first interface unit further comprises a first gating circuit; wherein,
the detecting unit inputting a control signal through the first control signal input interface to control the plurality of interfaces of the first interface unit to sequentially receive signals from the detection signal input interface in a predetermined order includes:
the detection unit inputs a control signal through a control signal input interface,
the control signal instructs the first gating circuit to sequentially select the plurality of interfaces of the first interface unit in a predetermined order to receive signals from the detection signal input interface.
Further, the detecting unit detecting whether a corresponding interface of the plurality of interfaces of the second interface unit connected to the other end interface of the connection line has a signal output according to the correct line sequence includes:
the detection unit directly receives signals from the corresponding interfaces to judge whether the corresponding interfaces have signal output or not.
Further, the first interface unit further comprises an output interface; wherein,
the detecting unit detecting whether a corresponding interface of the plurality of interfaces of the second interface unit connected to the other end interface of the connection line has a signal output according to the correct line sequence includes:
the detection unit receives an output signal from the corresponding interface through the output interface, and judges whether the corresponding interface has signal output or not according to the output signal.
Further, the second interface unit further comprises a second control signal input interface; wherein,
the detecting unit receiving an output signal from the corresponding interface through the output interface includes:
the detection unit inputs a control signal through a second control signal input interface so as to receive an output signal from the corresponding interface through the output interface.
Further, the second interface unit further includes a second gating circuit; wherein,
the detecting unit inputting a control signal through a second control signal input interface such that receiving an output signal from the corresponding interface through the output interface includes:
the detection unit inputs a second control signal through a second control signal input interface,
the second control signal instructs the second gating circuit to cause the output interface to select a signal received from the corresponding interface.
Further, the correct line sequence comprises line sequence logic, which is pre-recorded in the detection unit.
Further, the detection unit is a single-chip microcomputer, and the first interface unit and the second interface unit are I/O pins of the single-chip microcomputer.
Further, the signal comprises an electrical signal.
Further, the first interface unit and the second interface unit adopt a cable connector to adapt to an interface.
Further, for the connecting wires with different numbers, the connecting wires are adjusted to be connected to the interfaces at the two ends of the first interface unit and the second interface unit so as to detect.
According to the scheme of the invention, the control unit is adopted to input signals to one end of the connecting wire and detect the output signals of the other end, so that the detection of the wire sequence of the connecting wire is realized, the scheme is simple and efficient, and the detection cost is low. In addition, the first interface unit and the second interface unit are used for connecting the interfaces of the connecting wires, and the first interface unit and the second interface unit can be flexibly changed according to the different interface types of the connecting wires, so that the connector is suitable for connecting wires of various connector interface types, and the compatibility and the universality are better.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows a block diagram of a connection line sequence detecting apparatus according to a preferred embodiment of the present invention.
Fig. 2 shows a schematic diagram of an interfacing according to a preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 shows a block diagram of a connection line sequence detecting apparatus according to a preferred embodiment of the present invention. As shown in fig. 1, the connection line sequence detecting apparatus 100 includes a detecting unit 110, a first interface unit 120 and a second interface unit 130,
the first interface unit 120 is connected to one end interface 410 of the connection line 400, the second interface unit 130 is connected to the other end interface 420 of the connection line 400,
the detection unit 110 provides a signal to the first interface unit 120, which is provided to the cable of the connection line 400 through the connection of the first interface unit 120 to the interface 410,
the detecting unit 110 receives the output signal from the second interface unit 130, and determines whether the line sequence of the connection line 400 is correct according to the output signal.
Fig. 2 shows a schematic diagram of an interfacing according to a preferred embodiment of the invention. As shown in fig. 2, the first interface unit 120 includes a plurality of interfaces (interface pins) 121, …, 12n (n is an integer greater than 1), the second interface unit 130 includes a plurality of interfaces (interface pins) 131, …, 13n (n is an integer greater than 1), the interfaces 121, …, 12n of the first interface unit 120 are respectively connected to one end connectors 411, …, 41n (n is an integer greater than 1) of the multi-strand cables 401, …, 40n (n is an integer greater than 1) in the interface 410 of the connection cable 400, and the interfaces 131, …, 13n of the second interface unit 130 are respectively connected to the other end connectors 421, …, 42n (n is an integer greater than 1) of the multi-strand cables 401, …, 40n in the other end interface 420 of the connection cable 400. The interfaces 121, …, 12n, 131, …, 13n may vary depending on the number of strands of the wire.
Further, the detecting unit 110 sequentially supplies signals to the plurality of interfaces of the first interface unit 120 in a predetermined order, for example, by programming: 121. …, 12n, then detecting whether the corresponding interface 13n, …, 131 of the second interface unit 130 has a signal output according to the correct wire order (i.e. the order, that is, assuming that if the wire order is correct, the corresponding interface is also connected in this order on the corresponding interface pin at the other end of the connection wire detected in this order), when the corresponding interface has a signal output, determining that the position order of the cable corresponding to that interface at both ends is correct, i.e. the wire order is correct, and if no signal output is detected, indicating that the joints of the cable strands at both ends are misplaced. And when the wire sequence of all the cables is correct, judging that the wire sequence of the connecting wire is correct. Wherein the correct line sequence, i.e. the line sequence logic, is preferably pre-recorded in the detection unit 110.
The detection unit 110 sequentially provides signals to the plurality of interfaces 411, …, 41n of the first interface unit 120 in a predetermined order, and may directly input signals to the plurality of interfaces or indirectly provide signals to the plurality of interfaces 411, …, 41 n. The detecting unit 110 detects whether the corresponding interface 42n, …, 421 of the second interface unit 130 has a signal output according to the correct line sequence, which may be directly detecting whether the corresponding interface 42n, …, 421 of the second interface unit 130 has a signal output, or indirectly acquiring the signal output on the corresponding interface 42n, …, 421 of the second interface unit 130.
Alternatively, the detecting unit 110 indirectly provides signals to the plurality of interfaces 411, …, 41n, for example, including, the detecting unit 110 providing a detection signal to the interfaces 411, …, 41n through a detection signal input interface (not shown in the figure) on the first interface unit 120, or the detecting unit 110 controlling an external signal source to provide a detection signal to the interfaces 411, …, 41n through a detection signal input interface on the first interface unit 120. The first interface unit 120 may further include a first gating circuit, such as a switching circuit, which may be powered by an external power source, such as a 5v power source, or may be powered by the detection unit 110. The first gating circuit may be controlled by the detection unit 110, for example by programming, to enable gating of the interfaces 411, …, 41n to the detection signal input interface. For example, an external power source such as a 5v power source may be used as the external signal source, and the first gating circuit is controlled so that the interfaces 411, …, 41n are sequentially gated and connected to the detection signal input interfaces to obtain a 5v power supply, so that the multiple cables connected to the connection lines on the interfaces 411, …, 41n are sequentially energized. The detection unit 110 may input a control signal to the first gating circuit through a first control signal input interface of the first interface unit 120 to implement gating control.
Similarly, the detecting unit 110 indirectly obtains the signal output on the corresponding interface 42n, …, 421 of the second interface unit 130, for example, including the detecting unit 110 receiving the signal output from the corresponding interface 42n, …, 421 through a signal output interface (not shown in the figure) on the second interface unit 130. The second interface unit 130 may also include a second gating circuit, such as a switching circuit, which may be powered by an external power source, such as a 5v power source, or may be powered by the detection unit 110, and which may also be controlled by the detection unit 110, for example, by programming, so as to be able to select which interface on the interfaces 42n, …, 421 is connected to the signal output interface, for example, by controlling the second gating circuit so that when the interface 411 is gated to the power source, the interface 42n is selected to be connected to the output interface according to the correct line sequence, so as to determine whether the line sequence of the cable 401 is correct by determining whether the output interface has a signal output. The detection unit 110 may input a control signal to the second gating circuit through a second control signal input interface of the second interface unit 130 to implement gating control. Wherein the gating circuit for realizing the interface gating comprises a switching circuit. The various interfaces of the first interface unit 120 and the second interface unit 130 may employ XH-type terminals.
As can be seen from the above, the detection signal is indirectly provided at the first interface unit 120, and the signal output is indirectly detected at the second interface unit 130 through the signal output interface, so that the detection unit 110 only needs to manage two objects, i.e., the input interface and the output interface, and the two interfaces are defined and programmed, for example, input/output signals, without simultaneously managing a plurality of objects, i.e., the interfaces 411, …, 41n and 42n, … and 421, and furthermore, the interface type and the number of cable strands of the connection line are not limited by the structure of the detection unit 110 itself, for example, the detection unit 110 itself has only 6 external interfaces, while the number of cable strands of the connection line is 16, and the connection line interface is 16 pins, so that the line sequence test can be implemented by only changing the interface structures and types of the first interface unit 120 and the second interface unit 130 without changing the detection unit 110 due to the indirect mode. Therefore, the connection test is more convenient and the universality is stronger.
Preferably, the detecting unit 110 is a single-chip microcomputer, and the first interface unit 120 and the second interface unit 130 may be input/output I/O pins of the single-chip microcomputer when the detecting unit 110 directly inputs signals to the plurality of interfaces 411, …, 41n and directly obtains signal outputs from the interfaces 42n, …, 421; when the detecting unit 110 indirectly inputs signals to the plurality of interfaces 411, …, 41n and indirectly obtains signal output from the interfaces 42n, …, 421, the first interface unit 120 and the second interface unit 130 provide control signal input interfaces and/or detection signal input interfaces and/or output interfaces for the detecting unit 110, and input/output I/O pins of the singlechip output signals to control the first interface unit 120 and the second interface unit 130, so that line sequence detection can be completed. The singlechip is adopted, different line sequence logics can be adapted through programming, and the method is simple and easy to operate and low in manufacturing cost.
Preferably, the signals input to the interface unit include, but are not limited to, electrical signals, such as level signals, current signals.
For example, the plurality of interfaces 121, …, 12n of the first interface unit 120 are sequentially inputted with 5V level signals in a predetermined order, and the signals are detected on the corresponding interfaces of the second interface unit 130, and if the signals of 5V are also detected, the corresponding line sequence of the line is the opposite, and the other lines are detected by analogy.
Preferably, the first interface unit 120 and the second interface unit 130 may employ a cable connector adaptor interface, for example, a pin interface, which is not limited thereto, but may be any interface that can be connected, including a bare wire connector. The first interface unit 120 and the second interface unit 130 can be flexibly changed according to different types of connection line interfaces, for example, the connection line interfaces are 9-pin interfaces, so that the first interface unit and the second interface unit can be changed into matched 9-pin interfaces by better interface hardware or adding a conversion head, and a detection unit is not required to be replaced, and only the line sequence logic is required to be changed in the detection unit, so that the method is suitable for line sequence detection of connection lines with various connection line interface types, and has better compatibility and universality. Once the whole detection device is built, the same type of line sequence can be tested in batches, the operation is convenient and flexible, and the test efficiency is greatly improved. That is, before testing one wire each time, the scheme of the invention needs to fix the number of the butt joint pins of the interfaces (such as the input interfaces, the interfaces 121, … and 12n, the interfaces 131, … and 13n and the output interfaces) according to the strand number and the type of the wire, fix the interfaces (such as the interfaces 121, … and 12n and the interfaces 131, … and 13 n) with the corresponding wires, and detect the wire sequence of the same type of connecting wires in batch after setting, thereby achieving the purpose of rapid detection.
Although the present invention is exemplified by the connection line of the display lamp panel of the air conditioning unit, those skilled in the art should appreciate that the present invention is not limited thereto, and any situation requiring the line sequence detection of the connection line is within the application scope of the present invention. The scheme of the invention is not only suitable for detecting the wire sequence of the electric appliance cable, but also suitable for the communication cable.
The connection line sequence detection of the present invention is described above. According to the scheme of the invention, the control unit is adopted to input signals to one end of the connecting wire and detect the output signals of the other end, so that the detection of the wire sequence of the connecting wire is realized, the scheme is simple and efficient, and the detection cost is low. In addition, the first interface unit and the second interface unit are used for connecting the interfaces of the connecting wires, and the first interface unit and the second interface unit can be flexibly changed according to the different interface types of the connecting wires, so that the connector is suitable for connecting wires of various connector interface types, and the compatibility and the universality are better.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a connecting wire line preface detection device which characterized in that includes:
the device comprises a detection unit, a first interface unit and a second interface unit;
the first interface unit and the second interface unit are respectively connected with interfaces at two ends of the connecting wire;
the detection unit provides signals for each cable of the connecting line through the first interface unit, receives output signals transmitted from each cable from the second interface unit, and judges whether the line sequence of the connecting line is correct according to whether the output signals corresponding to the input signals can be received or not;
the detection unit includes:
sequentially providing signals to a plurality of interfaces of a first interface unit connected to an interface of one end of a connection line in a predetermined order;
detecting whether a corresponding interface of a plurality of interfaces of a second interface unit connected to the interface at the other end of the connecting line has signal output according to the correct line sequence;
when the fact that the corresponding interface has signal output is detected, judging that the position sequence of the cable corresponding to the interface is correct, and when the position sequence of all cables of the connecting line is correct, judging that the wire sequence of the connecting line is correct;
the first interface unit further comprises a detection signal input interface; wherein,
the detecting unit sequentially supplying signals to the plurality of interfaces of the first interface unit connected to the one end interface of the connection line in a predetermined order includes:
the detection unit provides signals to the first interface unit through the detection signal input interface and controls the interfaces of the first interface unit to sequentially receive the provided signals from the detection signal input interface according to a preset sequence;
or,
the detection unit controls the plurality of interfaces of the first interface unit to sequentially receive signals provided by an external signal source from the detection signal input interface through the detection signal input interface in a predetermined order;
the first interface unit further comprises a first control signal input interface;
the detection unit inputs a control signal through the first control signal input interface to control the plurality of interfaces of the first interface unit to sequentially receive signals from the detection signal input interface in a predetermined sequence;
the first interface unit further comprises a first gating circuit; wherein,
the detecting unit inputting a control signal through the first control signal input interface to control the plurality of interfaces of the first interface unit to sequentially receive signals from the detection signal input interface in a predetermined order includes:
the detection unit inputs a control signal through a control signal input interface,
the control signal instructs the first gating circuit to sequentially select a plurality of interfaces of a first interface unit according to a preset sequence to receive signals from the detection signal input interface, so that different line sequence logics are adapted through programming;
the detecting unit sequentially supplying signals in a predetermined order to a plurality of interfaces of the first interface unit connected to the one end interface of the connection line includes:
the detection unit directly inputs signals to the plurality of interfaces of the first interface unit connected to the one end interface of the connection line in sequence in a predetermined order.
2. The apparatus of claim 1, wherein:
the detecting unit detecting whether a corresponding interface of the plurality of interfaces of the second interface unit connected to the other end interface of the connection line has a signal output according to the correct line sequence includes:
the detection unit directly receives signals from the corresponding interfaces to judge whether the corresponding interfaces have signal output or not.
3. The apparatus of claim 1, wherein:
the second interface unit further comprises an output interface; wherein,
the detecting unit detecting whether a corresponding interface of the plurality of interfaces of the second interface unit connected to the other end interface of the connection line has a signal output according to the correct line sequence includes:
the detection unit receives an output signal from the corresponding interface through the output interface, and judges whether the corresponding interface has signal output or not according to the output signal.
4. A device as claimed in claim 3, wherein:
the second interface unit further comprises a second control signal input interface; wherein,
the detecting unit receiving an output signal from the corresponding interface through the output interface includes:
the detection unit inputs a control signal through a second control signal input interface so as to receive an output signal from the corresponding interface through the output interface.
5. The apparatus as claimed in claim 4, wherein:
the second interface unit further comprises a second gating circuit; wherein,
the detecting unit inputting a control signal through a second control signal input interface such that receiving an output signal from the corresponding interface through the output interface includes:
the detection unit inputs a second control signal through a second control signal input interface,
the second control signal instructs the second gating circuit to cause the output interface to select a signal received from the corresponding interface.
6. The apparatus of claim 1, wherein:
the correct line sequence comprises line sequence logic, which is pre-recorded in the detection unit.
7. The apparatus of claim 1, wherein:
the detection unit is a single-chip microcomputer,
the first interface unit and the second interface unit are input/output I/O pins of the singlechip.
8. The apparatus as claimed in claim 1, comprising:
the signal comprises an electrical signal.
9. The apparatus of claim 1, wherein:
the first interface unit and the second interface unit adopt cable connector adapter interfaces.
10. The apparatus of claim 1, wherein:
and adjusting connecting wires with different numbers to connect the connecting wires to interfaces at two ends of the first interface unit and the second interface unit so as to detect.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109116177A (en) * | 2018-06-11 | 2019-01-01 | 格力电器（武汉）有限公司 | Method and device for detecting line sequence of connecting line and computer storage medium |
| CN109359078A (en) * | 2018-12-10 | 2019-02-19 | 威创集团股份有限公司 | A kind of self-adapting serial port interface circuit and its control method for middle control host |
| CN111948579A (en) * | 2019-04-29 | 2020-11-17 | 深圳市优必选科技有限公司 | Detection method and detection system for terminal connecting wire |
| CN112834964B (en) * | 2020-12-30 | 2023-05-26 | 京信射频技术(广州)有限公司 | Detection method, device and equipment for wiring line sequence of self-adaptive combiner |
| CN112925234A (en) * | 2021-01-21 | 2021-06-08 | 东莞讯滔电子有限公司 | Line sequence detection equipment and method thereof |
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| CN200986582Y (en) * | 2006-12-20 | 2007-12-05 | 孙社文 | Communication cable integration integrated test device |
| CN102621439A (en) * | 2012-04-06 | 2012-08-01 | 第二炮兵装备研究院中试与检测中心 | Device and method for detecting cable |
| WO2013181197A1 (en) * | 2012-05-29 | 2013-12-05 | Collier Michelle | System and method for identifying fiber sequence in a multi-fiber optical cable |
| CN203191491U (en) * | 2013-01-25 | 2013-09-11 | 上海微电子装备有限公司 | Cable line-sequence detection device |
| CN103245871A (en) * | 2013-05-15 | 2013-08-14 | 南京通用电器有限公司 | Wiring harness test instrument and wiring harness test method based on wiring harness test instrument |
| CN103454548A (en) * | 2013-08-28 | 2013-12-18 | 北京无线电计量测试研究所 | Digital line sequence collator based on programmable logic chip |
| CN103983884A (en) * | 2014-04-28 | 2014-08-13 | 北京世纪东方国铁科技股份有限公司 | Multi-core cable testing system and method |
| CN204789841U (en) * | 2015-05-21 | 2015-11-18 | 深圳市深展锐科技有限公司 | Cable tester |
| CN205317881U (en) * | 2016-01-25 | 2016-06-15 | 浪潮（苏州）金融技术服务有限公司 | Intelligence cable check out test set |
| CN205898948U (en) * | 2016-07-18 | 2017-01-18 | 珠海格力电器股份有限公司 | Connecting wire sequence detection device |
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