CN104833899A - One-to-one connection test device for D-SUB signal line - Google Patents
One-to-one connection test device for D-SUB signal line Download PDFInfo
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- CN104833899A CN104833899A CN201510233164.3A CN201510233164A CN104833899A CN 104833899 A CN104833899 A CN 104833899A CN 201510233164 A CN201510233164 A CN 201510233164A CN 104833899 A CN104833899 A CN 104833899A
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Abstract
The invention relates to a one-to-one connection test device for a D-SUB signal line. The one-to-one connection test device comprises the components of a power supply, a left-end D-SUB socket selection switch, a left-end D-SUB port selection switch, a left-end D-SUB male socket, a left-end D-SUB female socket, a resistor set, a light-emitting tube set, a right-end D-SUB port selection switch, a right-end D-SUB male socket and a right-end D-SUB female socket. The socket for matched plugging is freely selected according to the male type and female type of the D-SUB sockets at two ends of the signal line. The port of the D-SUB socket, which is actually inserted by the signal line, is flexibly arranged. One-to-one switching-on or switching-off state of the D-SUB signal line is visually displayed through on and off of the light emitting tube. The socket selection switches and the port selection switch on the test device are in one-to-one correspondence with the D-SUB port numbers, thereby realizing a clear structure.
Description
Technical field
The present invention relates to electronic circuit technical field of measurement and test, be specifically related to a kind of D-SUB signal wire connecting test device one to one.
Background technology
D-SUB is commonly called as USB interface, is a kind of analog signal interface, has different number of ports by demand, is usually used in computing machine and the outside connection shown, also has a wide range of applications at present when Switching Power Supply carries out analog signal transmission.For reducing interference, the two usually two D-SUB sockets being installed on respectively multicore shielding signal wire uses, and the port of D-SUB socket freely can be accessed in the two ends of signal wire, follows because of irregular, easily causes port connection mistake.As the probability for reducing wiring error, the port mainly with the connection and signal wire two access D-SUB that arrange D-SUB two signal wire one to one in design is identical.Though this kind of method can reduce error rate largely, still need to carry out continuity test to the two ends of signal wire before formal use.Divide the one end of holding D-SUB socket by two people at present, be corresponding in turn to multimeter and touch each port.In batch testing, this kind of method labor intensive and time, as the asynchronous error-prone of two human actions judges the conducting situation of signal wire.
Summary of the invention
The technical problem to be solved in the present invention is: overcome above-mentioned many deficiencies, a kind of D-SUB signal wire connecting test device device is one to one provided, can test the D-SUB signal wire two ends conducting situation connected one to one quickly and easily, effectively prevent wire from accessing wrong port.
The technical solution adopted for the present invention to solve the technical problems is: a kind of D-SUB signal wire connecting test device device one to one, comprises power supply, left end D-SUB socket selector switch, each port selection switch of left end D-SUB, left end D-SUB male plug, left end D-SUB mother socket, resistor group, luminotron group, each port selection switch of right-hand member D-SUB, right-hand member D-SUB male plug, right-hand member D-SUB mother socket.
Described power supply is 15V dry cell, for proving installation provides electric energy.
Described left end D-SUB socket selector switch is either-or switch, dials then upper channel part conducting during use, and lower channel section disconnects; Then lower channel section conducting under dialling, upper channel part disconnects.Specifically the male and female model of the supporting left end D-SUB socket be plugged on proving installation is selected to select upper channel or lower channel according to measured signal line left end D-SUB socket male and female model.
The each port selection switch of described left end D-SUB is microswitch, point upper channel part and lower channel section.Upper channel part is composed in parallel by switch S 111, S112, S113, S114, S115, S116, S117, S118, S119; Lower channel section switch S 121, S122, S123, S124, S125, S126, S127, S128, S129 compose in parallel.
Described left end D-SUB male plug is nine core D-SUB male plugs, is used for and the supporting grafting of signal wire left end D-SUB mother socket.
Described left end D-SUB mother socket is nine core D-SUB mother sockets, is used for and the supporting grafting of signal wire left end D-SUB male plug.
Described resistor group is composed in parallel by R1, R2, R3, R4, R5, R6, R7, R8, R9, is Chip-R, plays metering function.
Described luminotron group is composed in parallel by D1, D2, D3, D4, D5, D6, D7, D8, D9, is single color LED, can be indicated the break-make situation at two ends, D-SUB signal wire each port left and right by the light on and off of each luminotron.
The each port selection switch of described right-hand member D-SUB has nine groups of microswitches.First group is composed in parallel by S211 and S221; Second group is composed in parallel by S212 and S222; 3rd group is composed in parallel by S213 and S223; 4th group is composed in parallel by S214 and S224; 5th group is composed in parallel by S215 and S225; 6th group is composed in parallel by S216 and S226; 7th group is composed in parallel by S217 and S227; 8th group is composed in parallel by S218 and S228; 9th group is composed in parallel by S219 and S229.
Described right-hand member D-SUB male plug is nine core D-SUB male plugs, is used for and the supporting grafting of signal wire right-hand member D-SUB mother socket.
Described right-hand member D-SUB mother socket is nine core D-SUB mother sockets, is used for and the supporting grafting of signal wire right-hand member D-SUB male plug.
The invention has the beneficial effects as follows: the socket of unrestricted choice and the supporting grafting of signal wire two ends D-SUB socket male and female model, the port of flexible signalization line actual access D-SUB socket, intuitively show D-SUB signal wire by the light on and off of luminotron and connect break-make situation one to one, save manpower and time, can expand for D-SUB15 core, D-SUB25 core signal wire connecting test one to one.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is a kind of D-SUB signal wire of the present invention connecting test device circuit schematic diagram one to one.
In Fig. 1: 1. power supply, 2. left end D-SUB socket selector switch, 3. each port selection switch of left end D-SUB, 4. left end D-SUB male plug, 5. left end D-SUB mother socket, 6. resistor group, 7. luminotron group, 8. each port selection switch of right-hand member D-SUB, 9. right-hand member D-SUB male plug, 10. right-hand member D-SUB mother socket.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, a kind of D-SUB signal wire of the present invention connecting test device one to one, be carrier with printed circuit board, comprise power supply 1, left end D-SUB socket selector switch 2, each port selection switch of left end D-SUB 3, left end D-SUB male plug 4, left end D-SUB mother socket 5, resistor group 6, luminotron group 7, each port selection switch 8 of right-hand member D-SUB, right-hand member D-SUB male plug 9, right-hand member D-SUB mother socket 10.
Described power supply 1 is 15V dry cell, for proving installation provides electric energy.Be installed in battery case seat during use, bottom battery case seat, have pin, pluggable by soldering on carrier wiring board.
Described left end D-SUB socket selector switch 2 is either-or switch, dials then upper channel part conducting during use, and lower channel section disconnects, by being connected to left end D-SUB male plug 4 after each port selection switch 3 of left end D-SUB; Then lower channel section conducting under dialling, upper channel part disconnects, by being connected to left end D-SUB mother socket 5 after each port selection switch 3 of left end D-SUB.Specifically the male and female model of the supporting left end D-SUB socket be plugged on proving installation is selected to select upper channel or lower channel according to measured signal line left end D-SUB socket male and female model.D-SUB as signal wire left end is male plug, then need supporting grafting left end D-SUB mother socket 5, now select lower channel section conducting under left end D-SUB socket selector switch 2 groups; D-SUB as signal wire left end is mother socket, then need supporting grafting left end D-SUB male plug 4, and now left end D-SUB socket selector switch 2 groups is upper selects the conducting of upper channel part.Left end D-SUB socket selector switch 2, is connected with power cathode by track on plate by soldering on carrier circuit plate.
The each port selection switch 3 of described left end D-SUB is microswitch, point upper channel part and lower channel section.Upper channel part is composed in parallel by switch S 111, S112, S113, S114, S115, S116, S117, S118, S119; Lower channel section is composed in parallel by switch S 121, S122, S123, S124, S125, S126, S127, S128, S129.Upper channel part microswitch is connected with the upper channel of left end D-SUB socket selector switch 2, and lower channel section microswitch is connected with the lower channel of left end D-SUB socket selector switch 2.Microswitch is all welded in carrier wiring board in soldering mode, and pressing rear circuit is conducting state.Nine ports for left end D-SUB male plug 4 and left end D-SUB mother socket 5 all independently can arrange break-make by each port selection switch 3 of left end D-SUB.If signal wire left end D-SUB is male plug, port one, 3,4,5, the wiring of 7 places, 1,3,4,5,7 of then supporting left end D-SUB mother socket 5 also needs conducting, then the lower channel section switch S 121 of each for left end D-SUB port selection switch 3, S123, S124, S125, S127 are pressed.
Described left end D-SUB male plug 4 is nine core D-SUB male plugs, is used for and the supporting grafting of signal wire left end D-SUB mother socket, is welded in carrier wiring board.
Described left end D-SUB mother socket 5 is nine core D-SUB mother sockets, is used for and the supporting grafting of signal wire left end D-SUB male plug, is welded in carrier wiring board.
Described resistor group 6 is composed in parallel by R1, R2, R3, R4, R5, R6, R7, R8, R9, and one end is connected with the positive pole of power supply 1, and the other end is connected with the positive pole of luminotron group 7.In resistor group 6, each resistance is Chip-R and is directly welded in carrier wiring board, plays metering function, can extend the serviceable life of invention pipe group 7.
Described luminotron group is composed in parallel by D1, D2, D3, D4, D5, D6, D7, D8, D9, is single color LED, and positive pole is connected with one end of resistor group 6, and negative pole is connected with each port selection switch 8 of right-hand member D-SUB.The break-make situation at instruction two ends, D-SUB signal wire each port left and right is may correspond to by the light on and off of each road luminotron.
The each port selection switch 8 of described right-hand member D-SUB has nine groups of microswitches.First group is composed in parallel by S211 and S221; Second group is composed in parallel by S212 and S222; 3rd group is composed in parallel by S213 and S223; 4th group is composed in parallel by S214 and S224; 5th group is composed in parallel by S215 and S225; 6th group is composed in parallel by S216 and S226; 7th group is composed in parallel by S217 and S227; 8th group is composed in parallel by S218 and S228; 9th group is composed in parallel by S219 and S229.Microswitch is all welded in carrier wiring board in soldering mode, and pressing rear circuit is conducting state.Nine ports for right-hand member D-SUB male plug 9 and right-hand member D-SUB mother socket 10 all independently can arrange break-make by each port selection switch 8 of right-hand member D-SUB.If signal wire right-hand member D-SUB is mother socket, port one, 3,4,5, the wiring of 7 places, 1,3,4,5,7 of then supporting right-hand member D-SUB male plug 9 also needs conducting, then pressed by the S217 in S215 and the 7th group switch in the S213 in the S211 in first group of switch of each for right-hand member D-SUB port selection switch 8, the 3rd group of switch, the S214 in the 4th group of switch, the 5th group of switch.
Described right-hand member D-SUB male plug 9 is nine core D-SUB male plugs, is used for and the supporting grafting of signal wire right-hand member D-SUB mother socket, is welded in carrier wiring board.
Described right-hand member D-SUB mother socket 10 is nine core D-SUB mother sockets, is used for and the supporting grafting of signal wire right-hand member D-SUB male plug, is welded in carrier wiring board.
This device is according to the socket of the supporting grafting of signal wire two ends D-SUB socket male and female model unrestricted choice, and the port of flexible signalization line actual access D-SUB socket, intuitively shows D-SUB signal wire by the light on and off of luminotron and connect break-make situation one to one.On proving installation, socket selector switch and port selection switch and D-SUB port numbers one_to_one corresponding are arranged, clear in structure.During use, on the socket that the left and right end be plugged into respectively on proving installation by the signal wire two ends D-SUB socket connected is supporting, socket selector switch and port selection switch are beaten to on-state by correspondence, rest switch is in off-state, can see that this road luminotron corresponding with Wiring port is lighted, the conducting of signal wire two ends is described, wiring is correct.Save manpower and time, easy and simple to handle, and can expand for D-SUB15 core, D-SUB25 core signal wire connecting test one to one.As existing signal wire left end connection is nine core D-SUB mother sockets, and what right-hand member connected is nine core D-SUB male plugs, signal wire left end access interface 1,2,3,5,6,7,9; Signal wire right-hand member and left end one to one port one, 2,3,5,6,7,9 wiring.First signal wire left end is inserted proving installation left end male plug, signal wire right-hand member is inserted proving installation right-hand member mother socket; Left end D-SUB socket selector switch is beaten to upper channel, in each port selection switch of left end D-SUB, S111, S112, S113, S115, S116, S117, S119 press, in each port selection switch of right-hand member D-SUB, S221, S222, S223, S225, S226, S227, S229 press, now luminotron D1, D2, D3, D5, D6, D7, D9 lights, proving installation forms loop by signal wire, and measured signal line two ends connect correct.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the scope not departing from this invention technological thought.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (9)
1. D-SUB signal wire connecting test device one to one, it is characterized in that: take wiring board as carrier, be made up of power supply (1), left end D-SUB socket selector switch (2), each port selection switch of left end D-SUB (3), left end D-SUB male plug (4), left end D-SUB mother socket (5), resistor group (6), luminotron group (7), each port selection switch of right-hand member D-SUB (8), right-hand member D-SUB male plug (9) and right-hand member D-SUB mother socket (10), connected by track;
Described power supply (1) is 15V dry cell, for proving installation provides electric energy;
Described left end D-SUB socket selector switch (2) is either-or switch, concrete according to selecting upper channel or lower channel with the male and female model of left end D-SUB socket on the proving installation of the supporting grafting of measured signal line left end D-SUB socket male and female model;
The each port selection switch of described left end D-SUB (3) is microswitch, comprises upper channel part and lower channel section; Described upper channel part is composed in parallel by switch S 111, S112, S113, S114, S115, S116, S117, S118, S119; Described lower channel section is composed in parallel by switch S 121, S122, S123, S124, S125, S126, S127, S128, S129;
Described left end D-SUB male plug (4) is nine core D-SUB male plugs, is used for and the supporting grafting of signal wire left end D-SUB mother socket;
Described left end D-SUB mother socket (5) is nine core D-SUB mother sockets, is used for and the supporting grafting of signal wire left end D-SUB male plug;
Described resistor group (6) is composed in parallel by R1, R2, R3, R4, R5, R6, R7, R8, R9, is Chip-R, plays metering function;
Described luminotron group (7) is composed in parallel by D1, D2, D3, D4, D5, D6, D7, D8, D9, is single color LED, be may correspond to the break-make situation at instruction two ends, D-SUB signal wire each port left and right by the light on and off of each road luminotron;
The each port selection switch of described right-hand member D-SUB (8) comprises nine groups of microswitches; First group is composed in parallel by S211 and S221; Second group is composed in parallel by S212 and S222; 3rd group is composed in parallel by S213 and S223; 4th group is composed in parallel by S214 and S224; 5th group is composed in parallel by S215 and S225; 6th group is composed in parallel by S216 and S226; 7th group is composed in parallel by S217 and S227; 8th group is composed in parallel by S218 and S228; 9th group is composed in parallel by S219 and S229;
Described right-hand member D-SUB male plug (9) is nine core D-SUB male plugs, is used for and the supporting grafting of signal wire right-hand member D-SUB mother socket;
Described right-hand member D-SUB mother socket (10) is nine core D-SUB mother sockets, is used for and the supporting grafting of signal wire right-hand member D-SUB male plug.
2. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, is characterized in that: described power supply (1) use time be installed in battery case seat, have pin bottom battery case seat, pluggable by soldering in carrier wiring board.
3. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, it is characterized in that: when described left end D-SUB socket selector switch (2) uses, dial then upper channel part conducting, lower channel section disconnects, by being connected to left end D-SUB male plug (4) after each port selection switch of left end D-SUB (3); Then lower channel section conducting under dialling, upper channel part disconnects, by being connected to left end D-SUB mother socket (5) after each port selection switch of left end D-SUB (3); Left end D-SUB socket selector switch (2), is connected with power cathode by soldering on carrier circuit plate.
4. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, it is characterized in that: described left end D-SUB each port selection switch (3) upper channel part microswitch is connected with the upper channel of left end D-SUB socket selector switch (2), lower channel section microswitch is connected with the lower channel of left end D-SUB socket selector switch (2), be welded in carrier wiring board in soldering mode, pressing rear circuit is conducting state; Nine ports for left end D-SUB male plug (4) and left end D-SUB mother socket (5) all independently can arrange break-make by each port selection switch of left end D-SUB (3).
5. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, is characterized in that: described left end D-SUB male plug (4) and left end D-SUB mother socket (5) are all welded in carrier wiring board.
6. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, it is characterized in that: one end of described resistor group (6) is connected with the positive pole of power supply (1), the other end is connected with the positive pole of luminotron group (7), all be welded in wiring board, the serviceable life of luminotron group (7) can be extended.
7. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, it is characterized in that: the positive pole of described luminotron group (7) is connected with one end of resistor group (6), and negative pole is connected with each port selection switch of right-hand member D-SUB (8).
8. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, is characterized in that: each port selection switch of described right-hand member D-SUB (8) is welded in carrier wiring board in soldering mode, pressing rear circuit is conducting state; Nine ports for right-hand member D-SUB male plug (9) and right-hand member D-SUB mother socket (10) all independently can arrange break-make by each port selection switch of right-hand member D-SUB (8).
9. a D-SUB signal wire as claimed in claim 1 connecting test device one to one, is characterized in that: described right-hand member D-SUB male plug (9) and right-hand member D-SUB mother socket (10) are all welded on carrier wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233164.3A CN104833899A (en) | 2015-05-08 | 2015-05-08 | One-to-one connection test device for D-SUB signal line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510233164.3A CN104833899A (en) | 2015-05-08 | 2015-05-08 | One-to-one connection test device for D-SUB signal line |
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| Publication Number | Publication Date |
|---|---|
| CN104833899A true CN104833899A (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510233164.3A Pending CN104833899A (en) | 2015-05-08 | 2015-05-08 | One-to-one connection test device for D-SUB signal line |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0547890A (en) * | 1991-08-14 | 1993-02-26 | Matsushita Electric Works Ltd | Wiring pattern inspecting device |
| CN2670954Y (en) * | 2003-12-24 | 2005-01-12 | 宝山钢铁股份有限公司 | Tester of cable connector |
| CN202421400U (en) * | 2011-12-24 | 2012-09-05 | 许继集团有限公司 | Checking tool for connection of multicore flat cables |
| CN202854270U (en) * | 2012-09-29 | 2013-04-03 | 广东明阳龙源电力电子有限公司 | Circuit testing apparatus for signal transmission line |
| CN203479945U (en) * | 2013-08-28 | 2014-03-12 | 神讯电脑(昆山)有限公司 | Aviation plug port testing apparatus |
-
2015
- 2015-05-08 CN CN201510233164.3A patent/CN104833899A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0547890A (en) * | 1991-08-14 | 1993-02-26 | Matsushita Electric Works Ltd | Wiring pattern inspecting device |
| CN2670954Y (en) * | 2003-12-24 | 2005-01-12 | 宝山钢铁股份有限公司 | Tester of cable connector |
| CN202421400U (en) * | 2011-12-24 | 2012-09-05 | 许继集团有限公司 | Checking tool for connection of multicore flat cables |
| CN202854270U (en) * | 2012-09-29 | 2013-04-03 | 广东明阳龙源电力电子有限公司 | Circuit testing apparatus for signal transmission line |
| CN203479945U (en) * | 2013-08-28 | 2014-03-12 | 神讯电脑(昆山)有限公司 | Aviation plug port testing apparatus |
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Application publication date: 20150812 |
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