CN201532437U - Cable number checking and phase checking device - Google Patents

Cable number checking and phase checking device Download PDF

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Publication number
CN201532437U
CN201532437U CN2009202813345U CN200920281334U CN201532437U CN 201532437 U CN201532437 U CN 201532437U CN 2009202813345 U CN2009202813345 U CN 2009202813345U CN 200920281334 U CN200920281334 U CN 200920281334U CN 201532437 U CN201532437 U CN 201532437U
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CN
China
Prior art keywords
signal
cable
processing
wire
input
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Application number
CN2009202813345U
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Chinese (zh)
Inventor
徐天锡
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徐天锡
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Priority to CN2009202813345U priority Critical patent/CN201532437U/en
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Publication of CN201532437U publication Critical patent/CN201532437U/en

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Abstract

The utility model discloses a cable number checking and phase checking device which comprises a signal generator and a wire number indicator, wherein the signal generator comprises a signal source and a plurality of voltage regulating devices respectively connected with the signal source; the voltage regulating devices receive voltage signals respectively from the signal source, and respectively output the voltage signals to respective signal output ends simultaneously after voltage regulation; the wire number indicator comprises a signal receiving and processing device, a signal input end and a display device, wherein the signal receiving and processing device processes the received voltage signals and then outputs the voltage signals to the display device so as to display the wire number or the fault code of a wire core currently connected with the signal input end. The device simplifies the operation for determining and checking the number of cable wire cores, reduces the work load, improves the efficiency, shortens the work period, and can be widely applied to the work of wire number checking and phase checking in cable connection.

Description

Cable directory enquiry phasing tester

Technical field

The utility model relates to a kind of electronic detecting device, is specifically related to a kind of cable directory enquiry phasing tester.

Background technology

Along with the develop rapidly of national economy and the quick propelling of urbanization, urban construction high voltage appearance, long-distance cable circuit increase rapidly.Meanwhile, in electric meter and protective device, extensively adopt polycore cable as signal wire.In the installation process of electric or telecommunication apparatus, polycore cable is many not to have the wire size sign, and the cable wire size that has sign is unintelligible to be difficult to identification, even if the wire size sign is clear, still needs to be numbered again when using as guard signal, control line.So before use, the reply polycore cable carries out directory enquiry and the work that renumbers.High-tension cable need carry out nuclear phase work after newly laying or doing head again.The concrete operations of existing cable directory enquiry (nuclear phase) work are: at first all heart yearns of cable two ends are all peelled off crust, expose copper cash.At an end of cable, the staff tells the wire size that other end staff selects by intercom then with two heart yearn short circuits; After other end staff receives, multimeter is got on the short circuit buzzing shelves, indicated on the heart yearn of these two wire sizes with two test pencil contacts, if logical, tell the other side " wire size is correct, thread-changing " by intercom.After measuring two lines, utilize the same manner to continue to measure other heart yearns.Cable quality varies, and middle short circuit has just appearred in many new cables when not using, and the situation of short-circuit between conductors is many times wanted to measure with multimeter earlier to confirm.This measuring method is operated very loaded down with trivial detailsly, waste of manpower and time, makes mistakes easily.

The patent No. is the patent " cable wire size recognition device " of CN200620013856.3, and this cable wire size recognition device comprises signal projector and signal meter (SM).Signal projector comprises signal source and coupled respectively a plurality of frequency adjusting devices; Signal meter (SM) comprise with signal projector on a plurality of signal output parts corresponding a plurality of signal input parts, the signal receiving and processing device that links to each other with each signal input part respectively, the output terminal display device that links to each other with each signal receiving and processing device respectively respectively.During detection, signal projector sends the signal of different frequency simultaneously to all heart yearns, and signal meter (SM) receives different frequencies, shows corresponding wire size.But because this device is not measured the indication that finishes, longer as cable length, the staff at two ends must cooperate by communication apparatus; The wire clamp structure of signal meter (SM) makes cable when measuring, and two ends all will be peelled off the core crust, and workload is bigger; Can't determine the short trouble between core and the oversheath; Every core of signal meter (SM) all has the indication of LED charactron, and volume is excessive, and power consumption is more; Protection is at present gone up communication, the umbilical cable used and mostly is 24 cores, and the 12HZ square-wave generator that 555 circuit that this device is selected for use are formed can only be measured 12 cores at most, can not satisfy current demand for development.

Summary of the invention

The technical problems to be solved in the utility model is: overcome and existingly determine and examine the cable core method for numbering serial and need use wire-stripping pliers, multimeter, intercom, complicated operation, length expends time in, can be subjected to the interference of faults such as short circuit between the core, core broken string, can't find the defectives such as fault of short circuit between core and the oversheath, provide a kind of simple to operate, reliably, cheaply, when determining wire size, can monitor the cable directory enquiry phasing tester of core short circuit, open circuit fault.

For achieving the above object, the utility model provides a kind of cable directory enquiry phasing tester, comprises signal generator and wire size indicator, it is characterized in that:

Described signal generator comprises signal source and a plurality of voltage adjusting devices that link to each other with the one end respectively, described a plurality of voltage adjusting device receives voltage signal from signal source respectively, output to signal output part separately after the voltage adjustment respectively simultaneously, the other end of signal source connects a signal output common port;

Described wire size indicator comprises a signal receiving and processing device, a signal input part and a signal input common port of linking to each other with signal receiving and processing device input end respectively, and display device that links to each other with signal receiving and processing device output terminal, the signal receiving and processing device outputs to display device after the voltage signal that receives is handled, and is used to show the wire size or the failure code of the current core that links to each other with signal input part.

Further, also being connected to one between the signal source of described signal generator and its signal output common port measures and finishes warning device.

Described signal is a d. c. voltage signal, and described signal source is 5 volts of direct supplys, and described voltage adjusting device is a divider resistance, and described signal output part adopts measures wire clamp, and described signal receiving and processing device is a microprocessor.

Between the measurement wire clamp of the divider resistance of each described voltage adjusting device and described respective signal output terminal, include light emitting diode as the signal conduction pilot lamp.

Test probe in the described signal input part employing pin type structure that links to each other with signal receiving and processing device input end connects the light emitting diode as core conducting pilot lamp behind the test probe.

The described signal input common port that links to each other with signal receiving and processing device input end adopts the measurement wire clamp of stube cable oversheath, connects the light emitting diode as core and sheath short trouble pilot lamp behind the input common port wire clamp.

Described wire size indicator adopts the LED charactron.

Described signal generator comprises that tested core counts setting device, conducting core pilot lamp, and survey line core digital display showing device, warning device is finished in test; Wherein, each signal output part of described signal generator includes divider resistance and the light emitting diode that links to each other successively with same single-chip microcomputer.

Signal receiving and processing device measure portion is a pin type structure, and the signal receiving and processing device comprises light emitting diode, divider resistance, filter capacitor, wire size display.Receiving trap is converted to digital signal by analog to digital conversion with voltage signal, after handling through single-chip microcomputer, outputs to the wire size display, in order to show current wire size or the failure code that is connected core with signal receiving end.

The utility model has following advantage compared with the prior art:

1, measure portion of the present utility model adopts pin type structure, determines and examines in the process of cable core numbering, directly measuring probe is inserted on the cable to get final product, and crust that will cable core is peelled off, and has reduced operation steps, makes the line inspection simpler.

2, the utility model can check that core has or not broken string when determining and examining the cable core numbering, between the core, have or not short circuit between core and the oversheath.

3, the utility model need not to use intercom owing to all installed at cable web joint and wire size display board two ends and to test the indicating device that finishes in the verification process, has simplified operation, has improved the operating efficiency of examining wire size.

4, the utility model can not only be determined and examine the cable core numbering and check short trouble, and the function of checking cable two ends phase places (nuclear phase) is arranged.

5, determine to compare with the method for examining the cable core numbering with tradition, the utility model operation easier reduces greatly, has reduced staff's labour intensity and the activity duration, has improved efficiency.

Description of drawings

Fig. 1 is the schematic block circuit diagram of the utility model cable directory enquiry phasing tester.

Fig. 2 is the schematic block circuit diagram of the utility model cable directory enquiry phasing tester embodiment.

Fig. 3 is the circuit diagram of signal generator embodiment of the present utility model.

Fig. 4 is the packing forms synoptic diagram of signal generator embodiment of the present utility model.

Fig. 5 is the circuit diagram of wire size indicator embodiment of the present utility model.

Fig. 6 is the packing forms synoptic diagram of wire size indicator embodiment of the present utility model.

Among the figure: 1-core conducting pilot lamp, warning device is finished in the 2-measurement, and 3-measures wire clamp, 4-test probe, 5-core conducting pilot lamp, 6-display, 7-core and sheath short trouble pilot lamp.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

Cable directory enquiry phasing tester of the present utility model comprises signal generator and wire size indicator, with reference to the schematic block circuit diagram of Fig. 1 the utility model cable directory enquiry phasing tester:

Described signal generator comprises signal source and a plurality of voltage adjusting devices that link to each other with the one end respectively, described a plurality of voltage adjusting device is respectively from the signal source received signal, output to signal output part separately after the voltage adjustment respectively simultaneously, the other end of signal source is connected to a signal output common port;

Described wire size indicator comprises a signal receiving and processing device, a signal input part and a signal input common port of linking to each other with signal receiving and processing device input end respectively, and a display device that links to each other with signal receiving and processing device output terminal, be used to show the wire size or the failure code of the current core that links to each other with signal input part.

Principle of work of the present utility model is: a plurality of signal output parts of the signal generator of the utility model cable directory enquiry phasing tester are connected with many heart yearns of tested cable respectively, and the signal input part with cable other end wire size indicator contacts with cable core respectively again; The signal input common port of the signal output common port of signal generator and wire size indicator is the two ends of stube cable oversheath respectively; Because at the signal generator end, a plurality of voltage adjusting devices are respectively from the signal source received signal, after the voltage adjustment, export unique voltage signal respectively to separately signal output part, therefore when the signal input part of receiving end wire size indicator contacts a certain heart yearn, unique signal can be sent to the signal receiving and processing device of wire size indicator, wire size or failure code by the current core that links to each other with signal input part of display device demonstration that links to each other with its output terminal after analog to digital conversion and digital processing.

Schematic block circuit diagram with reference to Fig. 2 the utility model cable directory enquiry phasing tester embodiment:

The signal source of signal generator adopts direct supply, and voltage adjusting device adopts divider resistance, and signal output part adopts measures wire clamp.During work, the a plurality of divider resistances that link to each other with the direct supply anode respectively in the signal generator receive d. c. voltage signal from direct supply respectively, output to the measurement wire clamp of serial number separately after voltage division processing respectively simultaneously, the negative terminal of direct supply connects signal output common port wire clamp; Simultaneously, include the signal conduction pilot lamp that links to each other successively with each divider resistance at each signal output part of signal generator, the signal conduction pilot lamp is measured wire clamp with signal output part and is connected respectively, in addition, also be serially connected with a measurement at the signal of signal generator output common port and finish warning device, as hummer or light emitting diode.

The signal receiving and processing device of wire size indicator adopts microprocessor, and the signal input part that links to each other with signal receiving and processing device input end adopts the test contact pin, and the back of test contact pin is serially connected with a core conducting pilot lamp; Another signal input common port adopts signal input common port wire clamp, is serially connected with a cable core short trouble pilot lamp in the back of signal input common port wire clamp; The display device that links to each other with output end of microprocessor adopts display, as LCD or LED charactron.

Further consult the circuit diagram of Fig. 3 signal generator embodiment of the present utility model, the signal source of signal generator adopts the 5V direct voltage source among the figure, and divider resistance adopts 8 dropping resistors, and the signal conduction pilot lamp adopts 8 light emitting diodes; Direct voltage source wherein can be provided by battery, the dropping resistor that the direct voltage source anode connects can be selected 8 resistance of 600 Ω, 700 Ω, 800 Ω, 900 Ω, 1000 Ω, 1100 Ω, 1200 Ω, 1300 Ω for use, and corresponding 8 light emitting diodes are connected respectively with 8 measurement wire clamps of output terminal; The measurement that the direct voltage source negative terminal connects is finished warning device and is adopted hummer, is connected with output common port wire clamp, can be connected to cable jacket during work.

As shown in Figure 4, packing forms for the signal generator of cable directory enquiry phasing tester in this embodiment, core conducting pilot lamp 1 wherein adopts 8 light emitting diodes, measures and finishes hummer of warning device 2 employings, and signal output part is promptly measured wire clamp 3 and adopted folder type connecting lines; 8 dropping resistors in parallel output to 8 measurement wire clamps of output terminal with d. c. voltage signal after with the adjustment of 5V voltage dividing potential drop, and are numbered " 1 ", " 2 ", " 3 ", " 4 ", " 5 ", " 6 ", " 7 ", " 8 " respectively; The conducting situation of 8 corresponding luminous indication cable cores of light emitting diode, hummer then realize measuring finishes warning.

Consult the circuit diagram of wire size indicator embodiment of the present utility model shown in Figure 5, described wire size indicator comprises single-chip microcomputer and the signal receiving end that is attached thereto, auxiliary circuit, a wire clamp and a wire size display device that connects oversheath.Wherein, single-chip microcomputer is selected the Atmega8 microprocessor that has analog-digital conversion function for use, signal receiving end is made up of contact pin, red light emitting diodes and a divider resistance, be connected to the ADC0 port of single-chip microcomputer after contact pin and red light emitting diodes (the core conducting pilot lamp) series connection, also be connected in parallel to a divider resistance and a filter capacitor between this port and ground, it is the resistance of 200 Ω that divider resistance wherein can be selected resistance for use.The input common port wire clamp that connects oversheath is connected with single-chip microcomputer ground end with a light emitting diode (short trouble pilot lamp) series connection back; The XTAL1 of single-chip microcomputer and XTAL2 port be respectively through ground connection behind the electric capacity, crystal-vibration-chip of cross-over connection between XTAL1 and XTAL2 port.

Wire size indicator of the present utility model can adopt the 5V powered battery, in view of the peripheral auxiliary circuits of Atmega8 microprocessor and the design of drive circuit of light-emitting diode display are prior art, does not repeat them here.

The PB0 of single-chip microcomputer, PB1 and the output of PD0-7 port drive wire size display device (display), select 8 sections light-emitting diode displays of common sun level for use.

During work, the voltage signal that single-chip microcomputer will be passed over by current core is a digital signal by analog to digital conversion, demonstrates the wire size or the failure code of current heart yearn through the wire size display device.

As shown in Figure 6, packing forms for the wire size indicator of cable directory enquiry phasing tester in this embodiment, wherein the test probe 4 of signal input part adopts pin type structure, core conducting pilot lamp 5 adopts red light emitting diodes, corresponding display 6 adopts 8 sections light-emitting diode displays, core and the sheath short trouble pilot lamp 7 same red light emitting diodes that adopt.

In the course of the work, according to Fig. 5, shown in Figure 6,8 measurement wire clamps " 1 ", " 2 ", " 3 ", " 4 ", " 5 ", " 6 ", " 7 ", " 8 " with signal generator, be connected with 8 heart yearns of tested cable respectively, the received signal test probe with the wire size indicator of the cable other end contacts with cable core respectively again; The 5V voltage source is after the step-down of 8 dropping resistors difference in parallel, export unique voltage signal respectively, when the probe of receiving end touches this heart yearn, unique signal is sent to single-chip microcomputer, after single-chip microcomputer is handled, deliver to the wire size display, show with metric form.

As on 2 LED charactrons of wire size display, showing 1 to 8 arabic numeral, represent that then current and wire size display connection core are in the corresponding numbering of signal generator end; Show " E1 " on 2 LED charactrons if be set in, represent that there is disconnection fault in corresponding tested cable core; Show " E2 " on 2 LED charactrons if be set in, test failure appears in expression cable directory enquiry phasing tester; If the red light emitting diodes that is connected with the wire clamp that connects oversheath on the wire size indicator is bright, represent between corresponding tested cable core and the oversheath short trouble to have taken place; If signal generator is simultaneously luminous if any the light emitting diode more than 2, the corresponding with it cable core of the expression fault that is short-circuited; In the work of cable nuclear phase, " 1 " of 2 LED charactrons of wire size display, " 2 ", " 3 " respectively corresponding " A ", " B ", " C " three-phase.After measurement is finished, signal is finished in the measurement of wire size display to be connected with the cable wire size of arranging in advance, utilize Chip Microcomputer A tmega8 output measurement to finish the signal driving and be arranged on hummer or the light emitting diode that warning device is finished in the measurement of signal generator side, to realize finishing the function of warning.

Cable directory enquiry phasing tester of the present utility model has been simplified and has been determined and the operation of examining the cable core numbering.Part of detecting adopts the contact pin type structure, can not will the core crust peel off and can carry out the line inspection, shortened the activity duration.Cable directory enquiry phasing tester has distributed unique identification signal for every heart yearn, thereby has got rid of the interference of faults such as short circuit between the core, core broken string to the line inspection.Cable is examined in the work of core numbering and nuclear phase and is adopted this instrument, when checking wire size (phase place), can detect between the core, short circuit between core and the oversheath, faults such as core broken string.Cable adopts this instrument in checking wire size (phase place), simplified operation, has reduced workload and working time, and is simple and practical, raises the efficiency, and shortened the duration, and what can be widely used in cable when handing-over checks wire size or nuclear phase work.

Above-mentioned explanation only is described at the embodiment of these novel wherein a kind of 8 core cable core directory enquiry devices, but the signal generator of described cable directory enquiry phasing tester and wire size display can satisfy the directory enquiry work that comprises any root heart yearn cable.

More than explanation is to have selected more representational embodiment to further specifying of carrying out of the present utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; without departing from the inventive concept of the premise; can also carry out some terse replacements and expansion, claims that protection domain of the present utility model is submitted to by the utility model limit.

Claims (7)

1. a cable directory enquiry phasing tester comprises signal generator and wire size indicator, it is characterized in that:
Described signal generator comprises signal source and a plurality of voltage adjusting devices that link to each other with the one end respectively, described a plurality of voltage adjusting device receives voltage signal from signal source respectively, output to signal output part separately after the voltage adjustment respectively simultaneously, the other end of signal source connects a signal output common port;
Described wire size indicator comprises a signal receiving and processing device, a signal input part and a signal input common port of linking to each other with signal receiving and processing device input end respectively, and display device that links to each other with signal receiving and processing device output terminal, the signal receiving and processing device outputs to display device after the voltage signal that receives is handled, and is used to show the wire size or the failure code of the current core that links to each other with signal input part.
2. cable directory enquiry phasing tester according to claim 1 is characterized in that: also be connected to one and measure and finish warning device between the signal source of described signal generator and its signal output common port.
3. cable directory enquiry phasing tester according to claim 1 and 2, it is characterized in that: described signal is a d. c. voltage signal, described signal source is 5 volts of direct supplys, described voltage adjusting device is a divider resistance, described signal output part adopts measures wire clamp, and described signal receiving and processing device is a microprocessor.
4. cable directory enquiry phasing tester according to claim 3 is characterized in that: include the light emitting diode as the signal conduction pilot lamp between the measurement wire clamp of the divider resistance of each described voltage adjusting device and described respective signal output terminal.
5. cable directory enquiry phasing tester according to claim 1, it is characterized in that: the test probe in the described signal input part employing pin type structure that links to each other with signal receiving and processing device input end connects the light emitting diode as core conducting pilot lamp behind the test probe.
6. cable directory enquiry phasing tester according to claim 1, it is characterized in that: the described signal input common port that links to each other with signal receiving and processing device input end adopts the measurement wire clamp of stube cable oversheath, connects the light emitting diode as core and sheath short trouble pilot lamp behind the input common port wire clamp.
7. cable directory enquiry phasing tester according to claim 1 is characterized in that: described wire size indicator adopts the LED charactron.
CN2009202813345U 2009-11-13 2009-11-13 Cable number checking and phase checking device CN201532437U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2009202813345U CN201532437U (en) 2009-11-13 2009-11-13 Cable number checking and phase checking device

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102650671A (en) * 2012-05-03 2012-08-29 福州市公共交通集团有限责任公司 Combined type intelligent detector for automobile circuit wire harness
CN103267904A (en) * 2013-04-27 2013-08-28 国家电网公司 Phase checking method in process of cable installation
CN103308815A (en) * 2013-04-18 2013-09-18 国家电网公司 Core aligning device of power cable equipment
CN104407262A (en) * 2014-09-24 2015-03-11 国家电网公司 Cable core wire identification device and use method thereof
CN105699832A (en) * 2014-11-28 2016-06-22 国网河南省电力公司南阳供电公司 Cable checking and grouping method
CN106027812A (en) * 2016-06-29 2016-10-12 国网山东省电力公司济南供电公司 Line inspection device for 110 type voice distribution frame
RU180728U1 (en) * 2017-12-11 2018-06-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный университет путей сообщения" Indicator (receiver) of the device for cable tapping
RU193472U1 (en) * 2019-09-12 2019-10-30 Общество с ограниченной ответственностью "НЕОКОМ" Device for testing harnesses and cable assemblies

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102650671A (en) * 2012-05-03 2012-08-29 福州市公共交通集团有限责任公司 Combined type intelligent detector for automobile circuit wire harness
CN103308815A (en) * 2013-04-18 2013-09-18 国家电网公司 Core aligning device of power cable equipment
CN103267904A (en) * 2013-04-27 2013-08-28 国家电网公司 Phase checking method in process of cable installation
CN103267904B (en) * 2013-04-27 2015-08-05 国家电网公司 Nuclear-phase method when a kind of cable is installed
CN104407262A (en) * 2014-09-24 2015-03-11 国家电网公司 Cable core wire identification device and use method thereof
CN105699832A (en) * 2014-11-28 2016-06-22 国网河南省电力公司南阳供电公司 Cable checking and grouping method
CN106027812A (en) * 2016-06-29 2016-10-12 国网山东省电力公司济南供电公司 Line inspection device for 110 type voice distribution frame
CN106027812B (en) * 2016-06-29 2019-04-23 国网山东省电力公司济南供电公司 A kind of 110 type voice distributing frame line inspection devices
RU180728U1 (en) * 2017-12-11 2018-06-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный университет путей сообщения" Indicator (receiver) of the device for cable tapping
RU193472U1 (en) * 2019-09-12 2019-10-30 Общество с ограниченной ответственностью "НЕОКОМ" Device for testing harnesses and cable assemblies

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Granted publication date: 20100721

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