CN203287464U - Single wire-size checking device - Google Patents
Single wire-size checking device Download PDFInfo
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- CN203287464U CN203287464U CN2013203162634U CN201320316263U CN203287464U CN 203287464 U CN203287464 U CN 203287464U CN 2013203162634 U CN2013203162634 U CN 2013203162634U CN 201320316263 U CN201320316263 U CN 201320316263U CN 203287464 U CN203287464 U CN 203287464U
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Abstract
The utility model relates to a single wire-size checking device comprising a control circuit, triodes from D1 to D31, a first wire-checking wiring terminal and a display circuit. A first pin of the first wire-checking wiring terminal is connected with +24 V voltage, pins covering from second to thirty-second are respectively connected with collector electrodes of the triodes from D1 to D31, and the control circuit outputs control signals to control on-off states of the triodes from D1 to D31. The +24 V voltage is respectively applied between the first pin and the pins covering from second to thirty-second of the first wire-checking wiring terminal. A checking cable is taken to be a signal transmission conductor to control display of the display circuit. Problems that wire checking needs a plurality of devices and people's cooperation, and a plurality of times of wiring or a plurality of sets of devices under a condition of conventional devices can complete wire checking are solved. Through digital design, a total wire-checking core number can be manually set, anti-interference ability is strong, wire checking results are visual and utilization is convenient. The single wire-size checking device has characteristics of being convenient for carrying, being flexible for use, being completed by a single person and saving of conversation devices.
Description
Technical field
The utility model relates to signal check and correction field, particularly a kind of single check and correction wire size device of polycore cable.
Background technology
In secondary circuit control cables construction, cable proofreader is very important operation together, than telecommunication cable to line, its principal feature is, core number few (many person's 24 cores), take single core as unit, cable length little (tens of rice are to hundreds of rice).In the practice, tradition commonly used is by a pair of line of core one to line method at the scene, usually, first determines a common line, one end is tested with the examination lamp with tested core and common line short circuit, the other end between common line and unknown core, until lamp is bright, unknown core namely is determined, then tries next root.In test process, two ends personnel contact and coordinate with phone.Also have in addition the methods such as electric-resistivity method, voltage method.
The cable proofreader instrumentation also occurred in the market, a whole set of instrument is comprised of a transmitter and a receiver, once can, to 12 cables of line, distinguish more electric wires as need and can repeatedly measure or use a plurality of transmitters.
In realizing process of the present utility model, find in prior art to exist at least following shortcoming and defect:
Adopt tradition to line method, need at least two person cooperative works; Adopt the methods such as electric-resistivity method, voltage method, these methods, also need be applied multimeter and make survey instrument by the utility appliance such as external resistor, additional power source except needs, and equipment needed thereby is many, wiring is complicated, wiring makes mistakes and can cause the wire size mistake, and construction is produced harmful effect; Adopt cable proofreader instrumentation in the market, this equipment is disposable to the line negligible amounts, if need the repeatedly wiring or buy more multiple instruments of the multi-thread need of check and correction, the manpower waste is large and the cost input is high.
The utility model content
The utility model provides a kind of single check and correction wire size device, and the utility model has solved in classic method needs that equipment is many, multi-person synergy is to line, needs repeatedly wiring or many complete equipments just can complete problem to line in existing equipment, and is described below:
A kind of single check and correction wire size device comprises: control circuit, D1～D31 triode, and the first pair of line connection terminal and display circuit,
No. 1 pin of described first pair of line connection terminal connects+24V, and 2～No. 32 pin connects respectively D1～D31 transistor collector; Described control circuit output control signal, control the break-make of described D1～D31 triode, + 24V voltage is added to respectively between No. 1 pin and 2～No. 32 pins of described first pair of line connection terminal, the check and correction cable, as the signal transmission conductor, is controlled the demonstration of described display circuit.
Described display circuit comprises: be numbered the light emitting diode of 1-64, the current-limiting resistance that is numbered 1-32 and second pair of line connection terminal,
After No. 1 light emitting diode and No. 2 light emitting diode inverse parallels, No. 1 current-limiting resistance of series connection forms the first display unit; After No. 3 light emitting diodes and No. 4 light emitting diode inverse parallels, No. 2 current-limiting resistances of series connection form the second display unit ..., after No. 63 light emitting diodes and No. 64 light emitting diode inverse parallels, No. 32 current-limiting resistances of series connection form the 32 display unit; 32 groups of display unit one ends are in parallel, and the other end is connected to respectively 1～No. 32 pin of described second pair of line connection terminal.
Described control circuit comprises: single-chip microcomputer, four peripheral hardware logic decoding circuits, cable core numbers are selected circuit and eight photoelectric isolating circuits,
Described cable core number selects circuit to be connected with single-chip microcomputer, and described single-chip microcomputer, by P03, P04, P05, P06 mouth output chip selection signal, is selected described peripheral hardware logic decoding circuit; Described peripheral hardware logic decoding circuit is connected with corresponding described photoelectric isolating circuit respectively.
Described cable core number selects circuit to comprise: wire jumper, the first resistance, the second resistance, the 3rd resistance and the 4th resistance,
One end of one end of the first pin of described wire jumper, an end of the second pin, the 3rd pin and an end ground connection of the 4th pin; The other end of described the first pin connects respectively the P10 pin of described the 4th resistance and described single-chip microcomputer; The other end of described the second pin connects respectively the P11 pin of described the 3rd resistance and described single-chip microcomputer; The other end of described the 3rd pin connects respectively the pin of described the second resistance and described single-chip microcomputer; The other end of described the 4th pin connects respectively the P13 pin of described the first resistance and described single-chip microcomputer; Described the first resistance, described the second resistance, described the 3rd resistance and the other end of the 4th resistance of being connected connect power supply VCC simultaneously.
Described peripheral hardware logic decoding circuit is specially: the 74LS138 code translator.
Described photoelectric isolating circuit is specially: the TLP521 chip.
The beneficial effect of the technical scheme that the utility model provides is: guaranteeing under the prerequisite correct to line, solved need that equipment is many, multi-person synergy is to line, in existing equipment, repeatedly wiring or many complete equipments just can be completed problem to line to need; By adopting digital design, can artificially set the total core number of line (8 cores, 16 cores, 24 cores, 32 cores are artificially set) antijamming capability by force, directly perceived to toe-in fruit, it is convenient to use; That this single check and correction wire size device also has is easy to carry, use flexible, the single characteristics such as verbal system of completing and save.
Description of drawings
Fig. 1 is single check and correction wire size device principle and the wiring diagram that the utility model provides;
Fig. 2 is the schematic diagram of the control circuit that provides of the utility model;
Fig. 3 is the program flow diagram of the control circuit inside that provides of the utility model.
1: control circuit; 2:D1～D31 triode;
3: the first pairs of line connection terminals; 4: display circuit;
5: the second pairs of line connection terminals.
Embodiment
, for making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
For solve in classic method need that equipment is many, multi-person synergy is to line, just need repeatedly wiring or many complete equipments can complete problem to line in existing equipment, the utility model embodiment has proposed a kind of single check and correction wire size device, and is referring to Fig. 1, described below:
A kind of single check and correction wire size device comprises: control circuit 1, D1～2, the first pairs, D31 triode line connection terminal 3 and display circuit 4,
No. 1 pin of first pair of line connection terminal 3 connects+24V, and 2～No. 32 pin connects respectively D1～D31 transistor collector; Between No. 1 pin that control circuit 1 output control signal, the break-make general+24V voltage of controlling D1～D31 triode 2 are added to respectively first pair of line connection terminal 3 and 2～No. 32 pins, proofread cable as the signal transmission conductor, the demonstration of control display circuit 4.
Wherein, totally 31, triode 2, numbering is respectively D1 triode, D2 triode～D31 triode.
Wherein, display circuit 4 comprises: be numbered the light emitting diode of 1-64, the current-limiting resistance that is numbered 1-32 and second pair of line connection terminal 5,
After No. 1 light emitting diode and No. 2 light emitting diode inverse parallels, No. 1 current-limiting resistance of series connection forms the first display unit; After No. 3 light emitting diodes and No. 4 light emitting diode inverse parallels, No. 2 current-limiting resistances of series connection form the second display unit ..., after No. 63 light emitting diodes and No. 64 light emitting diode inverse parallels, No. 32 current-limiting resistances of series connection form the 32 display unit; 32 groups of display unit one ends are in parallel, and the other end is connected to respectively 1～No. 32 pin of second pair of line connection terminal 5.
Wherein, control circuit 1 comprises: single-chip microcomputer, four peripheral hardware logic decoding circuits, cable core numbers are selected circuit and eight photoelectric isolating circuits,
The cable core number selects circuit to be connected with single-chip microcomputer, and single-chip microcomputer, by P03, P04, P05, P06 mouth output chip selection signal, is selected the peripheral hardware logic decoding circuit; The peripheral hardware logic decoding circuit is connected with corresponding photoelectric isolating circuit respectively.
Wherein, the cable core number selects circuit to comprise: wire jumper J1, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3 and the 4th resistance R 4,
One end of one end of the first pin of wire jumper J1, an end of the second pin, the 3rd pin and an end ground connection of the 4th pin; The other end of the first pin connects respectively the P10 pin of the 4th resistance R 4 and single-chip microcomputer; The other end of the second pin connects respectively the P11 pin of the 3rd resistance R 3 and single-chip microcomputer; The other end of the 3rd pin connects respectively the P12 pin of the second resistance R 2 and single-chip microcomputer; The other end of the 4th pin connects respectively the P13 pin of the first resistance R 1 and single-chip microcomputer; The other end of the first resistance R 1, the second resistance R 2, the 3rd resistance R 3 and the 4th resistance R 4 connects power supply VCC simultaneously.
Wherein, during the first pin short circuit of wire jumper J1, the core number is chosen as 8 cores; During the second pin short circuit of wire jumper J1, the core number is chosen as 16 cores; During the 3rd pin short circuit of wire jumper J1, the core number is chosen as 24 cores; During the 4th pin short circuit of wire jumper J1, the core number is chosen as 32 cores.
Wherein, the peripheral hardware logic decoding circuit is specially: the 74LS138 code translator.
Due to this single-chip I/O mouth resource-constrained, the required check and correction cable core of the utility model number is more, so at single-chip microcomputer external expansion code translator, reach the requirement that can proofread 32 core cables.Single-chip microcomputer is by the chip selection signal of P03, P04, P05, P06 mouth output decoder, and which piece 74LS138 code translator work this signal selects.Again by the decoded signal of P00, P01, P02 output decoder, this signal is exported after by decoding, by the conducting state of light every rear control triode.
Wherein, the A pin of the first peripheral hardware logic decoding circuit U2 is connected with the P00 pin of single-chip microcomputer, and the B pin is connected with the P01 pin of single-chip microcomputer, and the C pin is connected with the P02 pin of single-chip microcomputer, as the data input signal of code translator, and E1 and E2 pin ground connection.The E3 pin of the first peripheral hardware logic decoding circuit U2 is connected with the P03 pin of single-chip microcomputer, as the chip selection signal of code translator.Y0, the Y1 of the first peripheral hardware logic decoding circuit U2, Y2 are connected with the first photoelectric isolating circuit U6 with the Y3 pin, Y4, the Y5 of the first peripheral hardware logic decoding circuit U2, Y6 are connected with the second photoelectric isolating circuit U7 with the Y7 pin, and these eight pins are as the output signal of U2.The A pin of the second peripheral hardware logic decoding circuit U3 is connected with the P00 pin of single-chip microcomputer, and the B pin is connected with the P01 pin of single-chip microcomputer, and the C pin is connected with the P02 pin of single-chip microcomputer, as the data input signal of this code translator, and E1 and E2 pin ground connection.The E3 pin of the second peripheral hardware logic decoding circuit U3 is connected with the P04 pin of single-chip microcomputer, as the chip selection signal of this code translator.Y0, the Y1 of the second peripheral hardware logic decoding circuit U3, Y2 are connected with the first photoelectric isolating circuit U8 with the Y3 pin, Y4, the Y5 of the second peripheral hardware logic decoding circuit U3, Y6 are connected with the 4th photoelectric isolating circuit U9 with the Y7 pin, and these eight pins are as the output signal of U3.The A pin of the 3rd peripheral hardware logic decoding circuit U4 is connected with the P00 pin of single-chip microcomputer, and the B pin is connected with the P01 pin of single-chip microcomputer, and the C pin is connected with the P02 pin of single-chip microcomputer, as the data input signal of this code translator, and E1 and E2 pin ground connection.The E3 pin of the 3rd peripheral hardware logic decoding circuit U4 is connected with the P05 pin of single-chip microcomputer, as the chip selection signal of this code translator.Y0, the Y1 of the 3rd peripheral hardware logic decoding circuit U4, Y2 are connected with the 5th photoelectric isolating circuit U10 with the Y3 pin, Y4, the Y5 of the 3rd peripheral hardware logic decoding circuit U4, Y6 are connected with the 6th photoelectric isolating circuit U11 with the Y7 pin, and these eight pins are as the output signal of U4.The A pin of establishing all round logic decoding circuit U5 is connected with the P00 pin of single-chip microcomputer, and the B pin is connected with the P01 pin of single-chip microcomputer, and the C pin is connected with the P02 pin of single-chip microcomputer, as the data input signal of this code translator, and E1 and E2 pin ground connection.The E3 pin of establishing all round logic decoding circuit U5 is connected with the P06 pin of single-chip microcomputer, as the chip selection signal of this code translator.The Y0, Y1, Y2 and Y3 pin of establishing all round logic decoding circuit U5 is connected with the 7th photoelectric isolating circuit U12, the Y4, Y5 that establishes all round logic decoding circuit U5 is connected with the 8th photoelectric isolating circuit U13 with the Y6 pin, and these seven pins are as the output signal of U5.
Wherein, the first photoelectric isolating circuit U6 to the eight photoelectric isolating circuit U13 control triode conducting shutoff by resistance after the photoelectricity isolation.Below take the first photoelectric isolating circuit U6 as example, the principle of work of photoelectric isolating circuit is described:
The first photoelectric isolating circuit U6 turn-offs by the triode Q1 conducting that R38 and R9 control in D1, turn-off by the triode Q2 conducting that R10 and R11 control in D2, turn-off by the triode Q3 conducting that R12 and R13 control in D3, by the triode Q4 conducting that R14 and R15 control in D3, turn-off.Other U7 are consistent to the circuit working principle of U13 and U6's, at this, do not do and repeat.
During specific implementation, the preferred TLP521 chip of photoelectric isolating circuit, the 5V signal of 74LS138 code translator output, control the triode conducting after isolating by photoelectricity and turn-off, and triode place voltage is selected the 24V direct current, is conducive to improve long transmission line transmission antijamming capability.
Below in conjunction with Fig. 3, the workflow of single check and correction wire size device is described, described below:
After the wiring of single check and correction wire size device is complete, start control circuit 1.For example: control circuit 1 is set No. 1 triode conducting and was turn-offed after 1 second 1 second, No. 1 triode conducting after triplicate, and all the other not conductings of triode, this moment, the 4th display unit and the second display unit were lighted; After 3 seconds, No. 1 triode turn-offs, No. 2 triode conductings, and all the other not conductings of triode, this moment, the 4th display unit and the first display unit were lighted; After 3 seconds, No. 2 triodes turn-off, No. 3 triode conductings, and all the other not conductings of triode, this moment, the 4th display unit and the 5th display unit were lighted; After 3 seconds, No. 3 triodes turn-off, No. 4 triode conductings, and all the other not conductings of triode, this moment, the 4th display unit and the 32 display unit were lighted; After 3 seconds, No. 30 triodes turn-off, No. 31 triode conductings, and all the other not conductings of triode, this moment, the 4th display unit and the 3rd display unit were lighted; Move a complete procedure.This process moves to reference position after finishing, and No. 1 triode conducting was turn-offed after 1 second 1 second, triplicate Repeat this process.Engineering technical personnel observe the display unit state at the display part end can be fast to going out cable marker.The concrete analysis process is as follows:
In above process, the 4th display unit Chang Liang, in conjunction with Fig. 1 analysis as can be known, No. 4, display part to No. 1, the corresponding control circuit part of line connection terminal institute wiring core to line connection terminal institute wiring core; After the 4th display unit and the flicker of the second display unit three times, the 4th display unit and second display unit Chang Liangsan second, in the time of thus display unit combinations of states Fig. 1 analysis as can be known, No. 2, display part to No. 2, the corresponding control circuit part of line connection terminal institute wiring core to line connection terminal institute wiring core; The 4th display unit and the second display unit are normal after bright 3 seconds, normal bright 3 seconds of the 4th display unit and the first display unit, in the time of thus display unit combinations of states Fig. 1 analysis as can be known, No. 1, display part to No. 3, the corresponding control circuit part of line connection terminal institute wiring core to line connection terminal institute wiring core; This process is last, normal bright 3 seconds of the 4th display unit and the 3rd display unit, in the time of thus display unit combinations of states Fig. 1 analysis as can be known, No. 3, display part to No. 32, the corresponding control circuit part of line connection terminal institute wiring core to line connection terminal institute wiring core.Above process triode and display unit state can be summed up as table 1:
Table 1. pair toe-in is really summed up
The utility model can artificially be set the core number, has respectively 8 cores, 16 cores, 24 cores and 32 cores available.When institute was not above four kinds of situations to the core number, operating personnel can be set as the required value of higher level to the core number and operate.Institute is linked into A part and B partial line connection terminal, the not wiring of terminal of not using to core order successively.By Fig. 1 analysis as can be known, if actual institute is 7 to the core number, can select 8 core shelves to carry out line, rear 1～No. 7 triode of program operation conducting respectively is a circulation, during No. 7 triode conductings at this moment, all display units are not all lighted, by 1～No. 6 triode respectively during conducting the show state of display unit also can correctly proofread out the wire size of all 7 core cables, select 16,24, situation, with upper identical, do not done and repeated at this during 32 core.
In sum, the utility model embodiment provides a kind of single check and correction wire size device, is guaranteeing under the prerequisite correct to line, solved need that equipment is many, multi-person synergy is to line, in existing equipment, repeatedly wiring or many complete equipments just can be completed problem to line to need; By adopting digital design, can artificially set the total core number of line (8 cores, 16 cores, 24 cores, 32 cores are artificially set) antijamming capability by force, directly perceived to toe-in fruit, it is convenient to use; That this single check and correction wire size device also has is easy to carry, use flexible, the single characteristics such as verbal system of completing and save.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a single check and correction wire size device, is characterized in that, comprising: control circuit, D1～D31 triode, and the first pair of line connection terminal and display circuit,
No. 1 pin of described first pair of line connection terminal connects+24V, and 2～No. 32 pin connects respectively D1～D31 transistor collector; Described control circuit output control signal, control the break-make of described D1～D31 triode, + 24V voltage is added to respectively between No. 1 pin and 2～No. 32 pins of described first pair of line connection terminal, the check and correction cable, as the signal transmission conductor, is controlled the demonstration of described display circuit.
2. a kind of single check and correction wire size device according to claim 1, is characterized in that, described display circuit comprises: be numbered the light emitting diode of 1-64, the current-limiting resistance that is numbered 1-32 and second pair of line connection terminal,
After No. 1 light emitting diode and No. 2 light emitting diode inverse parallels, No. 1 current-limiting resistance of series connection forms the first display unit; After No. 3 light emitting diodes and No. 4 light emitting diode inverse parallels, No. 2 current-limiting resistances of series connection form the second display unit ..., after No. 63 light emitting diodes and No. 64 light emitting diode inverse parallels, No. 32 current-limiting resistances of series connection form the 32 display unit; 32 groups of display unit one ends are in parallel, and the other end is connected to respectively 1～No. 32 pin of described second pair of line connection terminal.
3. a kind of single check and correction wire size device according to claim 1, is characterized in that, described control circuit comprises: single-chip microcomputer, four peripheral hardware logic decoding circuits, cable core numbers are selected circuit and eight photoelectric isolating circuits,
Described cable core number selects circuit to be connected with single-chip microcomputer, and described single-chip microcomputer, by P03, P04, P05, P06 mouth output chip selection signal, is selected described peripheral hardware logic decoding circuit; Described peripheral hardware logic decoding circuit is connected with corresponding described photoelectric isolating circuit respectively.
4. a kind of single check and correction wire size device according to claim 3, is characterized in that, described cable core number selects circuit to comprise: wire jumper, the first resistance, the second resistance, the 3rd resistance and the 4th resistance,
One end of one end of the first pin of described wire jumper, an end of the second pin, the 3rd pin and an end ground connection of the 4th pin; The other end of described the first pin connects respectively the P10 pin of described the 4th resistance and described single-chip microcomputer; The other end of described the second pin connects respectively the P11 pin of described the 3rd resistance and described single-chip microcomputer; The other end of described the 3rd pin connects respectively the pin of described the second resistance and described single-chip microcomputer; The other end of described the 4th pin connects respectively the P13 pin of described the first resistance and described single-chip microcomputer; Described the first resistance, described the second resistance, described the 3rd resistance and the other end of the 4th resistance of being connected connect power supply VCC simultaneously.
5. a kind of single check and correction wire size device according to claim 3, is characterized in that, described peripheral hardware logic decoding circuit is specially: the 74LS138 code translator.
6. a kind of single check and correction wire size device according to claim 3, is characterized in that, described photoelectric isolating circuit is specially: the TLP521 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203162634U CN203287464U (en) | 2013-05-31 | 2013-05-31 | Single wire-size checking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013203162634U CN203287464U (en) | 2013-05-31 | 2013-05-31 | Single wire-size checking device |
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| CN203287464U true CN203287464U (en) | 2013-11-13 |
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| CN2013203162634U Expired - Fee Related CN203287464U (en) | 2013-05-31 | 2013-05-31 | Single wire-size checking device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983893A (en) * | 2014-06-09 | 2014-08-13 | 国网山东省电力公司泰安供电公司 | Portable wireless core aligning device |
| CN104111401A (en) * | 2014-07-30 | 2014-10-22 | 国家电网公司 | Portable secondary cable alignment device and testing method thereof |
| CN110988741A (en) * | 2019-12-20 | 2020-04-10 | 深圳海致洋科技有限公司 | Full-automatic line inspection method and full-automatic line inspection instrument |
-
2013
- 2013-05-31 CN CN2013203162634U patent/CN203287464U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983893A (en) * | 2014-06-09 | 2014-08-13 | 国网山东省电力公司泰安供电公司 | Portable wireless core aligning device |
| CN104111401A (en) * | 2014-07-30 | 2014-10-22 | 国家电网公司 | Portable secondary cable alignment device and testing method thereof |
| CN110988741A (en) * | 2019-12-20 | 2020-04-10 | 深圳海致洋科技有限公司 | Full-automatic line inspection method and full-automatic line inspection instrument |
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