CN2819230Y - Cable inspector - Google Patents
Cable inspector Download PDFInfo
- Publication number
- CN2819230Y CN2819230Y CNU2005201035697U CN200520103569U CN2819230Y CN 2819230 Y CN2819230 Y CN 2819230Y CN U2005201035697 U CNU2005201035697 U CN U2005201035697U CN 200520103569 U CN200520103569 U CN 200520103569U CN 2819230 Y CN2819230 Y CN 2819230Y
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- Prior art keywords
- circuit
- cable
- detecting device
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- cable detecting
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- Expired - Fee Related
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to a detection device, particularly a cable detection device. The utility model comprises at least one cable connecting circuit which can be used for connecting a measured cable, a state detection circuit which can be used for detecting the completed circuit, the broken circuit and the short circuit conditions of a cable, and at least one display circuit which can be used for indicating detection result, wherein the state detection circuit comprises a microprocessor; multi-core cables can be connected with the cable connecting circuit; the non-destructive detection of faults, such as short circuit, broken circuit, etc., to industrial cables can be realized by the judgement and the control of the microprocessor. The display of normal operation state and the alarm of fault state can be carried out by the display circuit, and the line numbers of short circuit and broken circuit can be clearly displayed. The utility model has the advantages of high cost performance, easy use, flexibility and safety.
Description
Technical field
The utility model relates to a kind of checkout equipment, particularly a kind of cable detecting device.
Technical background
At present in the process of detection streamer break-make situation, need the staff to carry out coordinated manipulation simultaneously at the cable two ends, to the detection of each bar circuit, all must connect, inquire the break-make situation of each bar circuit by the two ends staff each other, if any problem, need repeatedly contact, repetitive operation just can be finished, and is judging the path of cable, is opening circuit and the short circuit process, and operation is extremely inconvenient, and time-consuming taking a lot of work, work efficiency is extremely low.
The utility model content
The utility model has overcome above-mentioned shortcoming, provide a kind of detection streamer easily path, open circuit and the cable detecting device of short-circuit condition.
The technical scheme in the invention for solving the technical problem is: a kind of cable detecting device, comprise that at least one road is used to connect the electric cable connection circuit of tested cable, one and is used for the detection streamer path, opens circuit and the state detection circuit of short-circuit condition and at least one are used to indicate the display circuit of testing result, described state detection circuit comprises a microprocessor.
Also can comprise a resistance testing circuit that is connected between described electric cable connection circuit and the microprocessor.
Also can comprise a warning circuit that links to each other with described microprocessor.
Described every road electric cable connection circuit can comprise a connection change-over circuit, the control end of described change-over circuit links to each other with a control output end of described microcontroller, the input end of described change-over circuit connects described tested cable, one road output terminal connects described microcontroller respectively, and another road output terminal links to each other with described resistance testing circuit.
Can be connected by a driving circuit between described change-over circuit and the microcontroller.
Described microcontroller can be single-chip microcomputer.
Described change-over circuit can comprise a bi-directional conversion relay.
Described driving circuit can comprise the logic gate chip.
Described display circuit can comprise the multichannel dichromatic LED.
Described every road commutation circuit can comprise a two-way choice relay, the control end of described relay links to each other with the ground end with the output terminal of described logic gate chip respectively, two common ports are connected to the head and the tail two ends of tested cable, two Chang Kaiduan are connected respectively to the two groups of port P1 mouths and the P3 mouth of described single-chip microcomputer, end connection+5V working power end in two normal-closed ends, the other end is connected in the described resistance testing circuit.
The utility model comprises that at least one road is used to connect the electric cable connection circuit of tested cable, one and is used for the detection streamer path, opens circuit and the state detection circuit of short-circuit condition and at least one are used to indicate the display circuit of testing result, and described state detection circuit comprises a microprocessor.Connect polycore cable by electric cable connection circuit, judgement and control through described microprocessor, realization to industrial cable carry out short circuit, the Non-Destructive Testing of fault such as open circuit, and carry out the demonstration of normal operating conditions and the warning of malfunction by described display circuit, clearly show the line number that opens circuit with short circuit, have the very high ratio of performance to price, easy to use safe and reliable flexibly.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model
Fig. 2 is circuit theory diagrams of the present utility model
Embodiment
As shown in Figure 1, the utility model is made of driving circuit, commutation circuit, resistance testing circuit, microcontroller, display circuit and warning circuit.Tested cable links to each other with described commutation circuit, and described driving circuit links to each other with commutation circuit with described microcontroller respectively, and the control commutation circuit is switched outlet line and carried out relevant detection under the control of described microcontroller.The circuit of described switching also links to each other with the resistance testing circuit with described microcontroller simultaneously, the on off operating mode of each the road cable of control detection by described microcontroller, and by the Standard resistance range of described resistance detection streamer.The output of described resistance testing circuit also is connected to described microcontroller, deposits testing result in described microcontroller.Described display circuit links to each other with the output terminal of described microcontroller respectively with warning circuit, and above-mentioned testing result is carried out luminous demonstration or sounding alarm, and the prompting user is to the testing result of cable.
Circuit theory diagrams of the present utility model as shown in Figure 2, described driving circuit comprises a logic gate chip U3, described microcontroller comprises single-chip microcomputer U1 and peripheral circuit thereof, one group of port P0 mouth of described single-chip microcomputer U1, input end with described logic gate chip U3 links to each other respectively, wherein seven of eight output terminals of described logic gate chip U3 link to each other with seven tunnel commutation circuits respectively, promptly can detect seven cables, an output terminal in addition links to each other with described warning circuit, described warning circuit comprises a hummer U2, and the other output terminal of promptly described logic gate chip U3 links to each other with the input end of described hummer U2.
Described every road commutation circuit comprises a two-way choice relay K, the control end of described relay K links to each other with the ground end with the output terminal of described logic gate chip U3 respectively, two common ports are connected to the head and the tail two ends of tested cable, two Chang Kaiduan are connected respectively to two groups of port P1 mouths and the P3 mouth of described single-chip microcomputer U1, end connection+5V working power end in two normal-closed ends, the other end is connected in the described resistance testing circuit.
Described resistance testing circuit comprises the comparator circuit that is made of operational amplifier A R and peripheral resistance.The reverse input end of described operational amplifier A R links to each other with described change-over circuit, input end is through resistance R 14 back ground connection in the same way, also simultaneously through being connected to described+5V working power end behind the resistance R 9 of a manual toggle switch S1 and four different resistances, R10, R11, the R12, the common port of described manual toggle switch S1 is connected the input end in the same way of described operational amplifier A R.According to the diverse location of described manual toggle switch S1, make resistance R 9～R12 constitute different partial pressure value with resistance R 14 respectively, promptly the input end in the same way at described operational amplifier A R constitutes different comparative voltages.
Described display circuit is seven the tunnel, dichromatic LED of every route and a resistance series connection constitute, the negative pole of described dichromatic LED links to each other with described single-chip microcomputer U1, and anodal and corresponding resistance links to each other, and the other end of described every road resistance all connects+the 5V working power end.
The utility model course of work is as follows: single-chip microcomputer U1 is by the driving of described logic gate chip U3, control two-way choice relay, be connected on Chang Kai and normally closed two different positions by the relay switch inside and finish different measuring task cable, when selecting relay to connect the terminal of often opening, measure the switching and the short-circuit conditions of cable; When relay connects normally closed terminal, measure the resistance parameter of cable.
When single-chip microcomputer U1 controls described two-way choice relay and meets Chang Kaiduan, carry out cable path, open circuit and the detection of short circuit.By each road two-way choice relay work of a port driver of the single-chip microcomputer P0 mouth described logic gate U3 of cycle control successively, the P1 mouth sends detection signal, and the P3 mouth receives detection signal, judges the switching and the short-circuit between conductors of cable by the transmission situation of detection signal.To detect article one lead is example: by the Chang Kaiduan closure of the P0.0 mouth control two-way choice relay K 1 of single-chip microcomputer U1, the P1.1 mouth sends high level, and P1.2 to P1.7 mouth sends low level, detects the signal of P3 mouth, when
1. if P3.1 is 1, article one conductive paths is described then;
2. if P3.1 is 0, article one wire break is described then;
3. if certain position of P3.2 to P3.7 is 1, short circuit between article one lead and this pairing lead is described then.
And the like detect second, the 3rd until the 7th cable core lead.With all corresponding zone bit of all states such as the switching of every lead of detection streamer and short circuit, and deposit testing result in described zone bit, write down testing result with described zone bit.
When single-chip microcomputer U1 pilot relay successively connects the normal-closed end closure, carry out the detection of cable core resistance, detect the potential short trouble of cable by the impedance parameter of measuring cable.With article one lead is example, also selects the reference resistance value of R9～R12 by manual toggle switch S1 according to the length estimation cable resistance value of cable.Cable core is connected the reverse input end of operational amplifier A R in the described comparator circuit, and whether the resistance value of measuring article one lead is greater than setting resistance value, if greater than illustrating that then there is defective in this lead.Deposit detected result in corresponding marker bit.Other conductor resistance measuring method is the same.
Read by single-chip microcomputer U1 and to detect the Information sign position, carry out corresponding subroutine according to the content of zone bit and show and report to the police.Duty by described two-color diode D1～D7 and hummer U2 just can be judged the polycore cable failure condition.For example:
● if n bar conductive paths, then n light emitting diode green light;
● if n bar wire break, then n light emitting diode glows, and hummer sounds simultaneously;
● if having short circuit between the lead, then corresponding light emitting diode glows and flicker synchronously, and hummer sounds simultaneously;
● if the resistance value of n bar lead is greater than setting value, then n light emitting diode flicker that glows, the while hummer sounds.
Claims (10)
1. cable detecting device, comprise that at least one road is used to connect the electric cable connection circuit of tested cable, one and is used for the detection streamer path, opens circuit and the state detection circuit of short-circuit condition and at least one are used to indicate the display circuit of testing result, it is characterized in that: described state detection circuit comprises a microprocessor.
2. cable detecting device according to claim 1 is characterized in that: also comprise a resistance testing circuit that is connected between described electric cable connection circuit and the microprocessor.
3. cable detecting device according to claim 1 is characterized in that: also comprise a warning circuit that links to each other with described microprocessor.
4. according to claim 1 or 2 or 3 described cable detecting devices, it is characterized in that: described every road electric cable connection circuit comprises a connection change-over circuit, the control end of described change-over circuit links to each other with a control output end of described microcontroller, the input end of described change-over circuit connects described tested cable, one road output terminal connects described microcontroller respectively, and another road output terminal links to each other with described resistance testing circuit.
5. cable detecting device according to claim 4 is characterized in that: be connected by a driving circuit between described change-over circuit and the microcontroller.
6. according to claim 1 or 2 or 3 described cable detecting devices, it is characterized in that: described microcontroller is a single-chip microcomputer.
7. cable detecting device according to claim 4 is characterized in that: described change-over circuit comprises a bi-directional conversion relay.
8. cable detecting device according to claim 5 is characterized in that: described driving circuit comprises the logic gate chip.
9. according to claim 1 or 2 or 3 described cable detecting devices, it is characterized in that: described display circuit comprises the multichannel dichromatic LED.
10. cable detecting device according to claim 8, it is characterized in that: described every road commutation circuit comprises a two-way choice relay, the control end of described relay links to each other with the ground end with the output terminal of described logic gate chip respectively, two common ports are connected to the head and the tail two ends of tested cable, two Chang Kaiduan are connected respectively to the two groups of port P1 mouths and the P3 mouth of described single-chip microcomputer, end connection+5V working power end in two normal-closed ends, the other end is connected in the described resistance testing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201035697U CN2819230Y (en) | 2005-08-10 | 2005-08-10 | Cable inspector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201035697U CN2819230Y (en) | 2005-08-10 | 2005-08-10 | Cable inspector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2819230Y true CN2819230Y (en) | 2006-09-20 |
Family
ID=37005290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201035697U Expired - Fee Related CN2819230Y (en) | 2005-08-10 | 2005-08-10 | Cable inspector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2819230Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241162B (en) * | 2007-02-08 | 2010-06-16 | 西安航力航电技术发展有限公司 | Cable tester |
| CN102004207A (en) * | 2010-10-28 | 2011-04-06 | 江苏通鼎光电股份有限公司 | Multi-core cable malposition connection detecting method |
| CN102540002A (en) * | 2012-02-16 | 2012-07-04 | 杭州鸿雁智能科技有限公司 | Method for detecting open circuit and short circuit of line |
| CN102680847A (en) * | 2012-05-25 | 2012-09-19 | 哈尔滨工业大学 | Fast multiple-cable number-distinguishing device |
| CN102798834A (en) * | 2012-06-28 | 2012-11-28 | 广西电网公司电力科学研究院 | Wiring judgement control machine for wiring simulation system for verification on power transformer |
| CN103293070A (en) * | 2013-06-07 | 2013-09-11 | 深圳市宏之都科技有限公司 | Wire jacket tearing detection device |
| CN104569719A (en) * | 2014-12-31 | 2015-04-29 | 贝兹维仪器(苏州)有限公司 | Multicore cable testing system |
| CN104991164A (en) * | 2015-06-23 | 2015-10-21 | 中国电子科技集团公司第七研究所 | Cable on-line detector |
| CN105842574A (en) * | 2014-11-21 | 2016-08-10 | 中华映管股份有限公司 | Touch panel testing device and testing method thereof |
| CN106324441A (en) * | 2016-11-08 | 2017-01-11 | 骆香山 | Cable detection system based on single chip |
| CN110988483A (en) * | 2019-12-10 | 2020-04-10 | 北京航天自动控制研究所 | Cable insulation tester based on inspection file rapid generation method |
-
2005
- 2005-08-10 CN CNU2005201035697U patent/CN2819230Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241162B (en) * | 2007-02-08 | 2010-06-16 | 西安航力航电技术发展有限公司 | Cable tester |
| CN102004207A (en) * | 2010-10-28 | 2011-04-06 | 江苏通鼎光电股份有限公司 | Multi-core cable malposition connection detecting method |
| CN102540002A (en) * | 2012-02-16 | 2012-07-04 | 杭州鸿雁智能科技有限公司 | Method for detecting open circuit and short circuit of line |
| CN102680847A (en) * | 2012-05-25 | 2012-09-19 | 哈尔滨工业大学 | Fast multiple-cable number-distinguishing device |
| CN102798834A (en) * | 2012-06-28 | 2012-11-28 | 广西电网公司电力科学研究院 | Wiring judgement control machine for wiring simulation system for verification on power transformer |
| CN103293070B (en) * | 2013-06-07 | 2015-03-04 | 深圳市宏之都科技有限公司 | Wire jacket tearing detection device |
| CN103293070A (en) * | 2013-06-07 | 2013-09-11 | 深圳市宏之都科技有限公司 | Wire jacket tearing detection device |
| CN105842574A (en) * | 2014-11-21 | 2016-08-10 | 中华映管股份有限公司 | Touch panel testing device and testing method thereof |
| CN104569719A (en) * | 2014-12-31 | 2015-04-29 | 贝兹维仪器(苏州)有限公司 | Multicore cable testing system |
| CN104991164A (en) * | 2015-06-23 | 2015-10-21 | 中国电子科技集团公司第七研究所 | Cable on-line detector |
| CN104991164B (en) * | 2015-06-23 | 2017-12-26 | 中国电子科技集团公司第七研究所 | A kind of cable on-line checking device |
| CN106324441A (en) * | 2016-11-08 | 2017-01-11 | 骆香山 | Cable detection system based on single chip |
| CN110988483A (en) * | 2019-12-10 | 2020-04-10 | 北京航天自动控制研究所 | Cable insulation tester based on inspection file rapid generation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |