CN202854270U - Circuit testing apparatus for signal transmission line - Google Patents

Circuit testing apparatus for signal transmission line Download PDF

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Publication number
CN202854270U
CN202854270U CN 201220512856 CN201220512856U CN202854270U CN 202854270 U CN202854270 U CN 202854270U CN 201220512856 CN201220512856 CN 201220512856 CN 201220512856 U CN201220512856 U CN 201220512856U CN 202854270 U CN202854270 U CN 202854270U
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CN
China
Prior art keywords
socket
sequence number
pin
control switch
output control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220512856
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Chinese (zh)
Inventor
黎裕文
钟道祯
王瑜
李峰
李航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Mingyang Longyuan Power Electronics Co Ltd
Original Assignee
Guangdong Mingyang Longyuan Power Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Guangdong Mingyang Longyuan Power Electronics Co Ltd filed Critical Guangdong Mingyang Longyuan Power Electronics Co Ltd
Priority to CN 201220512856 priority Critical patent/CN202854270U/en
Application granted granted Critical
Publication of CN202854270U publication Critical patent/CN202854270U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a circuit testing apparatus for a signal transmission line. The circuit testing apparatus is characterized by comprising a direct-current power supply, a dual-output control switch, an interface device used for plug-in of a to-be-tested signal transmission line and an LED indication lamp array used for indicating access and short-out conditions of each lead of the to-be-tested signal transmission line, wherein the above-mentioned components are successively connected. The utility model has the following beneficial effects: short-out conditions of adjacent flexible flat cables are detected through crossing and dislocation of the flexible flat cables, circuit break conditions of the flexible flat cables are detected through connection of the flexible flat cables and pins, and thus, rapid and simple test of the signal transmission line is realized.

Description

A kind of circuit test device of signal transmssion line
[technical field]
The utility model relates to a kind of circuit test device of signal transmssion line, belongs to the electrical circuit field.
[background technology]
The signal transmssion line of 3MW wind electric converter undertaking controller and power model signal and communication be connected bridge, as shown in Figure 1, described signal transmssion line is comprised of the joint of a DB15, the winding displacement of 14P1.27mm, the interface of an IDC14.Wherein, DB 15 interfaces are to link to each other with controller, IDC14 links to each other with the IGBT driver module, realize the signal transmission of controller and IGBT driver module, be a transmission line that customizes by specific function, because this signal transmssion line all has uncertain short circuit or the problem that opens circuit, cause whole system normally not move, even damaged controller, perhaps damaged the driver module of IGBT.At present, also do not test the device of this transmission line on the market.
The method of existing manual testing's signal transmssion line has following shortcoming:
1, existing method of testing is used the multimeter test, and multimeter can not directly reach the inside, hole of two joints of signal transmssion line, need to connect at the pen meter of universal meter place more tiny wire and just can reach the test of the inside, hole;
2, the test duration long, each root of the wire in the signal transmssion line all will be tested, and also will test between any two whether short circuit, testing time is many;
3, need two people to test, a people holds a test pencil and joint test.
[utility model content]
The utility model has overcome the deficiency of above-mentioned technology, a kind of circuit test device of signal transmssion line is provided, its by the two-way selector switch to the strange pin set on each socket with even pin set is powered in turn and light situation by observing the LED light sequence, thereby detect the short circuit of winding displacement according to the mode of winding displacement intersection dislocation, the mode that winding displacement links to each other with pin detects opening circuit of winding displacement, and can connect the problem whether the measured signal transmission line has winding displacement and metal shell short circuit that detects with the LED light sequence output terminal of corresponding sequence number by the metal shell of the second socket.
For achieving the above object, the utility model has adopted following technical proposal:
A kind of circuit test device of signal transmssion line, include the direct supply 1 that connects in turn, two-way output control switch 2, the interface arrangement 3 that is used for access measured signal transmission line, and be used to indicate each root conductive paths of measured signal transmission line, the LED light sequence 4 of short-circuit conditions, described interface arrangement 3 includes for the first socket 31 of access measured signal transmission line one end plug with for the second socket 32 that accesses measured signal transmission line other end plug, described the first socket 31 is provided with the strange sequence number pin set 311 corresponding with measured signal transmission line winding displacement sequence number and even sequence number pin set 312, described two-way output control switch 2 one output terminals are connected with all pins on the strange sequence number pin set 311, two-way output control switch 2 another output terminals are connected with all pins on the even sequence number pin set 312, described LED light sequence 4 is provided with the input end corresponding with measured signal transmission line winding displacement sequence number, described each pin of the second socket 32 output terminals connects with LED light sequence 4 input ends of corresponding sequence number, and described LED light sequence 4 output terminals are connected with direct supply 1 other end.
Described two-way output control switch 2 two ends also are parallel with the tripod contact pin switch 21 that uses for reserve, contact pin is connected with two-way output control switch 2 input ends in the middle of the described tripod contact pin switch 21, and the both sides contact pin of tripod contact pin switch 21 is corresponding respectively to be connected with 2 liang of output terminals of two-way output control switch.
Described the first socket 31 is the IDC14 socket, be connected with an output terminal of two-way output control switch 2 after each pin is connected on the strange sequence number pin set 311 of IDC14 socket, be connected with another output terminal of two-way output control switch 2 after each pin is connected on the IDC14 socket idol sequence number pin set 312; Described the second socket 32 is the DB15 socket, and each pin connects with LED light sequence 4 input ends of corresponding sequence number respectively on the described DB15 socket output terminal.
As optimization, described the first socket 31 is the IDC26 socket, be connected with an output terminal of two-way output control switch 2 after each pin is connected on the strange sequence number pin set 311 of IDC26 socket, be connected with another output terminal of two-way output control switch 2 after each pin is connected on the even sequence number pin set 312 of DC26 socket; Described the second socket 32 is the DB25 socket, and each pin connects with LED light sequence 4 input ends of corresponding sequence number respectively on the described DB25 socket output terminal.
As optimization, described the first socket 31 is the DB25 male plug, be connected with an output terminal of two-way output control switch 2 after each pin is connected on the strange sequence number pin set 311 of DB25 male plug, be connected with another output terminal of two-way output control switch 2 after each pin is connected on the even sequence number pin set 312 of DB25 male plug; Described the second socket 32 is the DB25 mother socket, and described each pin of DB25 mother socket output terminal connects with LED light sequence 4 input ends of corresponding sequence number respectively.
Aforesaid described the second socket 32 metal shells are connected with LED light sequence 4.
The beneficial effects of the utility model are:
1, principle is simple, but practicality is extremely strong, and the mode of winding displacement intersection dislocation detects the short-circuit conditions of adjacent winding displacement, and the mode that winding displacement links to each other with pin detects the open circuit conditions of winding displacement.
2, the metal shell by the second socket connects with the LED light sequence input end of corresponding sequence number, and such mode detects the problem whether the measured signal transmission line has the metal shell short circuit of winding displacement and signal transmssion line.
3, only need people's operation get final product, the saving labour, connect the measured signal transmission line after, as long as stamp switch, just viewing lamp can recognize winding displacement whether problem is arranged.
4, can only corresponding interface arrangement supportingly be installed, just can test opening circuit and short-circuit conditions of polytype signal transmssion line, compatibility and favorable expandability.
5, the test duration weak point improves testing efficiency widely.
6, do not need controller chip, can reduce the cost that product is made.
7, is furnished with backup circuit breaker, so that for subsequent use.
[description of drawings]
Fig. 1 is structural representation of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Fig. 3 is synoptic diagram in kind of the present utility model.
[embodiment]
Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:
As shown in Figure 1, a kind of circuit test device of signal transmssion line, it is characterized in that including the direct supply 1 that connects in turn, two-way output control switch 2, the interface arrangement 3 that is used for access measured signal transmission line, and be used to indicate each root conductive paths of measured signal transmission line, the LED light sequence 4 of short-circuit conditions, described interface arrangement 3 includes for the first socket 31 of access measured signal transmission line one end plug with for the second socket 32 that accesses measured signal transmission line other end plug, described the first socket 31 is provided with the strange sequence number pin set 311 corresponding with measured signal transmission line winding displacement sequence number and even sequence number pin set 312, described two-way output control switch 2 one output terminals are connected with all pins on the strange sequence number pin set 311, two-way output control switch 2 another output terminals are connected with all pins on the even sequence number pin set 312, described LED light sequence 4 is provided with the input end corresponding with measured signal transmission line winding displacement sequence number, described each pin of the second socket 32 output terminals connects with LED light sequence 4 input ends of corresponding sequence number, and described LED light sequence 4 output terminals are connected with direct supply 1 other end.
Can not put sky when aforesaid two-way output control switch 2 does not carry out test job, described direct supply 1 adopts the 9V battery.
The pin sequence number of the first socket 31 is corresponding with signal transmssion line winding displacement sequence number as mentioned above, and signal transmssion line winding displacement numeric order is arranged, so the wire of the signal transmssion line that strange sequence number pin set 311 interior pins are corresponding is non-conterminous in twos, the wire of the signal transmssion line that equally, even sequence number pin set 312 interior pins are corresponding is non-conterminous in twos.
Be provided with 26 groups of LED light circuit that formed by light emitting diode and resistance in LED light sequence 4 described in the utility model as mentioned above, each LED light circuit input end connects with the second socket 32 pins of corresponding winding displacement sequence number respectively, path, the short-circuit conditions of indication winding displacement.
Two-way output control switch 2 two ends also are parallel with the tripod contact pin switch 21 that uses for reserve as mentioned above, contact pin is connected with two-way output control switch 2 input ends in the middle of the described tripod contact pin switch 21, and the both sides contact pin of tripod contact pin switch 21 is corresponding respectively to be connected with 2 liang of output terminals of two-way output control switch.Described tripod contact pin switch 21 is as backup circuit breaker, when two-way output control switch 2 lost efficacy, as long as connect 1,2 two ends with metallic conductor, perhaps connects 2,3 two ends and just can operate this device and test.
Embodiment 1, described the first socket 31 is the IDC14 socket, be connected with an output terminal of two-way output control switch 2 after each pin is connected on the strange sequence number pin set 311 of IDC14 socket, be connected with another output terminal of two-way output control switch 2 after each pin is connected on the IDC14 socket idol sequence number pin set 312; Described the second socket 32 is the DB15 socket, and each pin connects with LED light sequence 4 input ends of corresponding sequence number respectively on the described DB15 socket output terminal.
As shown in Figure 2, the reason of above-mentioned IDC14 socket grouping is: the structures shape of IDC14 socket and signal transmssion line winding displacement, the arranged sequentially of winding displacement is 1,2,3 ... 12,13,14, the strange sequence number pin set 311 that is connected with the IDC14 plug like this comprises pin 1,3,5,7,9,11,13, idol sequence number pin set 312 comprises pin 2,4,6,8,10,12,14, the other end DB15 plug of signal transmssion line is connected with the DB15 socket of this device, when two-way output control switch 2 is got to strange sequence number pin set 311 or even sequence number pin set 312 position, so that separately wire gets electric on the winding displacement, when indicating LED lamp corresponding to wire that has electricly not work on the LED light sequence 4, that wire break corresponding to LED lamp that do not work is described; When electric LED lamp when unexpectedly being lit is arranged on the LED light sequence 4 not get, illustrate that measured signal transmission line upper conductor wire adjacent thereto corresponding to LED lamp that is lit joined short circuit, realize like this design's purpose, tested out quickly and easily short circuit and the open circuit conditions of signal transmssion line.
Sequence number is that the input end of LED26 is connected in DB15 socket metal shell and the LED light sequence 4 as mentioned above, and whether be used for test measured signal transmission line has winding displacement and signal transmssion line plug metal shell short circuit.
Embodiment 2, described the first socket 31 is the IDC26 socket, be connected with an output terminal of two-way output control switch 2 after each pin is connected on the strange sequence number pin set 311 of IDC26 socket, be connected with another output terminal of two-way output control switch 2 after each pin is connected on the DC26 socket idol sequence number pin set 312; Described the second socket 32 is the DB25 socket, and each pin connects with LED light sequence 4 input ends of corresponding sequence number respectively on the described DB25 socket output terminal
As shown in Figure 2, the reason of the reason of described IDC26 socket grouping and the grouping of above-mentioned IDC14 socket in like manner, by the structures shape of IDC26 socket and signal transmssion line winding displacement, the arranged sequentially of winding displacement then is 1,2,3 ... 24,25,26, like this, the strange sequence number pin set 311 of IDC26 plug comprises pin 1,3,5,7,9,11,13,15,17,19,21,23,25, idol sequence number pin set 312 comprises pin 2,4,6,8,10,12,14,16,18,20,22,24,26, what the IDC26 socket connect is the IDC26 plug of measured signal transmission line, the other end DB25 plug of signal transmssion line is connected with the DB25 socket of this device, when two-way output control switch 2 is got to strange sequence number pin set 311 or even sequence number pin set 312 position, so that separately wire gets electric on the winding displacement, when indicating LED lamp corresponding to wire that has electricly not work on the LED light sequence 4, that wire break corresponding to LED lamp that do not work is described; When electric LED lamp when unexpectedly being lit is arranged on the LED light sequence 4 not get, illustrate that measured signal transmission line upper conductor wire adjacent thereto corresponding to LED lamp that is lit joined short circuit, realize like this design's purpose, tested out quickly and easily short circuit and the open circuit conditions of signal transmssion line.
Aforesaid circuit test device is used for test I DC26-DB25 signal transmssion line, sequence number is that the input end of LED26 is connected in described DB15 socket metal shell and the LED light sequence 4, and whether be used for test measured signal transmission line has winding displacement and signal transmssion line plug metal shell short circuit.
As mentioned above, in like manner can increase the DB25 male plugs at the first socket 31, its with the second socket 32 on the DB25 mother socket acting in conjunction of increase, the DB25-DB25 signal transmssion line is tested.
As shown in Figure 3, in the practical application, can also increase power light and malfunction indicator lamp, more convenient tester uses.
The concrete setting of above specific embodiment is just in order to allow the clearer principle of work of the present utility model of people and working effect; not as the restriction to the utility model protection domain; those skilled in the art are easy to increase according to the technical program the compatible kind of interface arrangement 3; thereby increase the test approaches of signal transmssion line; all all should be shown in the protection domain that falls into this case according to the circuit test device of the designed signal transmssion line of the technical program or technology enlightenment.

Claims (6)

1. the circuit test device of a signal transmssion line, it is characterized in that including the direct supply (1) that connects in turn, two-way output control switch (2), the interface arrangement (3) that is used for access measured signal transmission line, and be used to indicate each root conductive paths of measured signal transmission line, the LED light sequence (4) of short-circuit conditions, described interface arrangement (3) includes for first socket (31) of access measured signal transmission line one end plug with for the second socket (32) that accesses measured signal transmission line other end plug, described the first socket (31) is provided with the strange sequence number pin set (311) corresponding with measured signal transmission line winding displacement sequence number and even sequence number pin set (312), described two-way output control switch (2) one output terminals are connected with upper all pins of strange sequence number pin set (311), another output terminal of two-way output control switch (2) is connected with upper all pins of even sequence number pin set (312), described LED light sequence (4) is provided with the input end corresponding with measured signal transmission line winding displacement sequence number, each pin of described the second socket (32) output terminal connects with LED light sequence (4) input end of corresponding sequence number, and described LED light sequence (4) output terminal is connected with direct supply (1) other end.
2. the circuit test device of a kind of signal transmssion line according to claim 1, it is characterized in that described two-way output control switch (2) two ends also are parallel with the tripod contact pin switch (21) that uses for reserve, contact pin is connected with two-way output control switch (2) input end in the middle of the described tripod contact pin switch (21), and the both sides contact pin of tripod contact pin switch (21) is corresponding respectively to be connected with two-way output control switch (2) two output terminals.
3. the circuit test device of a kind of signal transmssion line according to claim 1, it is characterized in that described the first socket (31) is the IDC14 socket, be connected with an output terminal of two-way output control switch (2) after upper each pin of the strange sequence number pin set (311) of IDC14 socket is connected, be connected with another output terminal of two-way output control switch (2) after upper each pin of IDC14 socket idol sequence number pin set (312) is connected; Described the second socket (32) is the DB15 socket, and each pin connects with LED light sequence (4) input end of corresponding sequence number respectively on the described DB15 socket output terminal.
4. the circuit test device of a kind of signal transmssion line according to claim 1, it is characterized in that described the first socket (31) is the IDC26 socket, be connected with an output terminal of two-way output control switch (2) after upper each pin of the strange sequence number pin set (311) of IDC26 socket is connected, be connected with another output terminal of two-way output control switch (2) after upper each pin of the even sequence number pin set (312) of DC26 socket is connected; Described the second socket (32) is the DB25 socket, and each pin connects with LED light sequence (4) input end of corresponding sequence number respectively on the described DB25 socket output terminal.
5. the circuit test device of a kind of signal transmssion line according to claim 1, it is characterized in that described the first socket (31) is the DB25 male plug, be connected with an output terminal of two-way output control switch (2) after upper each pin of the strange sequence number pin set (311) of DB25 male plug is connected, be connected with another output terminal of two-way output control switch (2) after upper each pin of the even sequence number pin set (312) of DB25 male plug is connected; Described the second socket (32) is the DB25 mother socket, and described each pin of DB25 mother socket output terminal connects with LED light sequence (4) input end of corresponding sequence number respectively.
6. according to claim 3 or the circuit test device of 4 or 5 described a kind of signal transmssion lines, it is characterized in that described the second socket (32) metal shell is connected with LED light sequence (4).
CN 201220512856 2012-09-29 2012-09-29 Circuit testing apparatus for signal transmission line Expired - Fee Related CN202854270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220512856 CN202854270U (en) 2012-09-29 2012-09-29 Circuit testing apparatus for signal transmission line

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Application Number Priority Date Filing Date Title
CN 201220512856 CN202854270U (en) 2012-09-29 2012-09-29 Circuit testing apparatus for signal transmission line

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103529353A (en) * 2013-10-31 2014-01-22 上海沪工焊接集团股份有限公司 Flat cable detection method and flat cable detection system
CN103605007A (en) * 2013-12-04 2014-02-26 无锡通明科技有限公司 Signal line testing device
CN104280658A (en) * 2014-10-29 2015-01-14 安徽捷迅光电技术有限公司 Spray valve wire detection tool
CN104833899A (en) * 2015-05-08 2015-08-12 常州大学 One-to-one connection test device for D-SUB signal line
CN109752644A (en) * 2018-12-12 2019-05-14 交控科技股份有限公司 A kind of swinging cross detection method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103529353A (en) * 2013-10-31 2014-01-22 上海沪工焊接集团股份有限公司 Flat cable detection method and flat cable detection system
CN103529353B (en) * 2013-10-31 2016-03-30 上海沪工焊接集团股份有限公司 Winding displacement detection method and winding displacement detection system
CN103605007A (en) * 2013-12-04 2014-02-26 无锡通明科技有限公司 Signal line testing device
CN104280658A (en) * 2014-10-29 2015-01-14 安徽捷迅光电技术有限公司 Spray valve wire detection tool
CN104280658B (en) * 2014-10-29 2017-04-12 安徽捷迅光电技术有限公司 Spray valve wire detection tool
CN104833899A (en) * 2015-05-08 2015-08-12 常州大学 One-to-one connection test device for D-SUB signal line
CN109752644A (en) * 2018-12-12 2019-05-14 交控科技股份有限公司 A kind of swinging cross detection method
CN109752644B (en) * 2018-12-12 2022-02-15 交控科技股份有限公司 Mixed line detection method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130403

Termination date: 20150929

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