CN205594117U - Multifunctional electric cable detection device - Google Patents
Multifunctional electric cable detection device Download PDFInfo
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- CN205594117U CN205594117U CN201620215733.1U CN201620215733U CN205594117U CN 205594117 U CN205594117 U CN 205594117U CN 201620215733 U CN201620215733 U CN 201620215733U CN 205594117 U CN205594117 U CN 205594117U
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 37
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 239000000523 sample Substances 0.000 claims abstract description 26
- 230000008054 signal transmission Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 9
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000005672 electromagnetic field Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Abstract
The utility model relates to a multifunctional electric cable detection device belongs to the circuit and overhauls detecting instrument technical field. The utility model discloses a detect signal transmission circuit and detection circuit, do it include battery I, DC to detect signal transmission circuit DC rises voltage stabilizing module I and high -frequency resonance circuit, does the detection circuit include battery II, DC DC rises voltage stabilizing module II, probe circuit, amplification and filtering circuit and comparison indicating circuit. The utility model discloses can roughly fix a position the cable breakpoint location under the harmless condition, work efficiency is improved in the more swift cable fault place of finding out, reduces cable maintenance and the cost that changes, compares the cost is reduced with detection device of the same kind, has improved the performance.
Description
Technical field
This utility model relates to a kind of Multifunction cable detector, particularly relate to electric discontinuity of cable testing circuit and the electric discontinuity of cable detection device of a kind of touchless formula, being suitable for category is the hunting of various cable, break-make detection and breaking point detection, belongs to line maintenance detecting instrument field of instrumentation technology.
Background technology
Cable detecting device is the specialized instrument and equipment testing circuit.Currently, on market, cable detecting device kind is a lot, many counting apparatus can only test cable break-make, cannot be accurately positioned burying deposited cable, the cable tester price that can realize burying the detection of deposited breakpoint of cable is the highest, by the improvement to detection method and circuit, it is suggested for realizing the cable detecting device of a kind of low cost of the location of the breaking point detection to naked cable and the hunting of shallow embedding cable and fault point locating.
Summary of the invention
The technical problems to be solved in the utility model is: this utility model provides a kind of Multifunction cable detector, solve and be passed through the shallow embedding cable of detection signal and be difficult to the difficult problem that is detected, and the problem that the existing cable tester price burying the detection of deposited breakpoint of cable is high.
Technical solutions of the utility model are: a kind of Multifunction cable detector, process circuit 2 two large divisions including detection signal transmission circuit 1 and detection；
Described detection signal transmission circuit 1 includes that battery I 3, DC-DC rise Voltage stabilizing module I 4 and high-frequency circuit 5；Battery I 3 is connected to DC-DC and rises the input of Voltage stabilizing module I 4, and the outfan of DC-DC liter Voltage stabilizing module I 4 is connected to the input of high-frequency circuit 5, and the outfan of high-frequency circuit 5 is connected to one end of tested cable；
Described detection processes circuit 2 and includes that battery II 6, DC-DC rise Voltage stabilizing module II 7, probe circuit 8, filtering and amplifying circuit 9 and compare indicating circuit 10；Battery II 6 is connected to DC-DC and rises the input of Voltage stabilizing module II 7, DC-DC rises the outfan of Voltage stabilizing module II 7 and is connected to filtering and amplifying circuit 9 and compares indicating circuit 10, the outfan of probe circuit 8 is connected to the input of filtering and amplifying circuit 9, and filtering and amplifying circuit 9 outfan is connected to compare the input of indicating circuit 10.
Described probe circuit 8 is made up of metal shielding board, input resistance R, inductance L；Input resistance R is in parallel with inductance L, and metal shielding board is connected with transmitting ground wire and reception ground wire simultaneously, thus overcomes the interference of peripheral electromagnetic field, detects echo signal the most efficiently, it is achieved to the accurate acquisition of echo signal in cable.
Operation principle of the present utility model is:
Battery I 3, DC-DC rise Voltage stabilizing module I 4 and power for high-frequency circuit 5, ensure that high-frequency circuit 5 can export a higher higher-order of oscillation waveform of amplitude, higher-order of oscillation waveform is signally attached to tested wire, now the tested cable of input signal is equivalent to a wire antenna, can produce electromagnetic field around it.
Probe circuit 8 use the probe with function of shielding along tested cable, signal is acquired, the preliminary screening filtering to other signal is realized by the barricade being arranged on probe, when probe and tested cable between close to a certain extent time, just part signal can be coupled on probe, it is amplified filtering by filtering and amplifying circuit 9 to echo signal again and obtains and the signal of oscillator signal same frequency that radiating circuit produces, access again and compare indicating circuit 10 comparison process, thus finally make instruction with the form of sound, light, it is judged that find out Method of Cable Trouble Point.
The beneficial effects of the utility model are: this utility model mainly studies breaking point detection and the location thereof of naked cable；Shallow embedding cable continuity test, hunting and fault point locating.Under lossless case, breakpoint of cable position is substantially positioned, detection probe sets up function of shielding, find out tested cable fault place more efficiently, improve work efficiency, reduce cable maintenance and the cost of replacing, improve accuracy of detection, reduce cost compared with similar detection device, improve performance.The detection to pipe arrangement can also be realized on this basis further.
Accompanying drawing explanation
Fig. 1 is this utility model circuit theory diagrams；
Fig. 2 is this utility model detection probe circuit theory diagrams.
In Fig. 1-2, each label: 1-detects signal transmission circuit, and 2-detection processes circuit, 3-battery I, and 4-DC-DC rises Voltage stabilizing module I, 5-high-frequency circuit, 6-battery II, 7-DC-DC rises Voltage stabilizing module II, 8-probe circuit, 9-filtering and amplifying circuit, 10-compares indicating circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1-2, a kind of Multifunction cable detector, process circuit 2 two large divisions including detection signal transmission circuit 1 and detection；
Described detection signal transmission circuit 1 includes that battery I 3, DC-DC rise Voltage stabilizing module I 4 and high-frequency circuit 5；Battery I 3 is connected to DC-DC and rises the input of Voltage stabilizing module I 4, and the outfan of DC-DC liter Voltage stabilizing module I 4 is connected to the input of high-frequency circuit 5, and the outfan of high-frequency circuit 5 is connected to one end of tested cable；
Described detection processes circuit 2 and includes that battery II 6, DC-DC rise Voltage stabilizing module II 7, probe circuit 8, filtering and amplifying circuit 9 and compare indicating circuit 10；Battery II 6 is connected to DC-DC and rises the input of Voltage stabilizing module II 7, DC-DC rises the outfan of Voltage stabilizing module II 7 and is connected to filtering and amplifying circuit 9 and compares indicating circuit 10, the outfan of probe circuit 8 is connected to the input of filtering and amplifying circuit 9, and filtering and amplifying circuit 9 outfan is connected to compare the input of indicating circuit 10.
Embodiment 2: as shown in Figure 1-2, a kind of Multifunction cable detector, process circuit 2 two large divisions including detection signal transmission circuit 1 and detection；
Described detection signal transmission circuit 1 includes that battery I 3, DC-DC rise Voltage stabilizing module I 4 and high-frequency circuit 5；Battery I 3 is connected to DC-DC and rises the input of Voltage stabilizing module I 4, and the outfan of DC-DC liter Voltage stabilizing module I 4 is connected to the input of high-frequency circuit 5, and the outfan of high-frequency circuit 5 is connected to one end of tested cable；
Described detection processes circuit 2 and includes that battery II 6, DC-DC rise Voltage stabilizing module II 7, probe circuit 8, filtering and amplifying circuit 9 and compare indicating circuit 10；Battery II 6 is connected to DC-DC and rises the input of Voltage stabilizing module II 7, DC-DC rises the outfan of Voltage stabilizing module II 7 and is connected to filtering and amplifying circuit 9 and compares indicating circuit 10, the outfan of probe circuit 8 is connected to the input of filtering and amplifying circuit 9, and filtering and amplifying circuit 9 outfan is connected to compare the input of indicating circuit 10.
Described probe circuit 8 is made up of metal shielding board, input resistance R, inductance L；Input resistance R is in parallel with inductance L, and metal shielding board is connected with transmitting ground wire and reception ground wire simultaneously, thus overcomes the interference of peripheral electromagnetic field, detects echo signal the most efficiently, it is achieved to the accurate acquisition of echo signal in cable.
Embodiment 3: as shown in Figure 1-2, a kind of Multifunction cable detector, process circuit 2 two large divisions including detection signal transmission circuit 1 and detection；
Described detection signal transmission circuit 1 includes that battery I 3, DC-DC rise Voltage stabilizing module I 4 and high-frequency circuit 5；Battery I 3 is connected to DC-DC and rises the input of Voltage stabilizing module I 4, and the outfan of DC-DC liter Voltage stabilizing module I 4 is connected to the input of high-frequency circuit 5, and the outfan of high-frequency circuit 5 is connected to one end of tested cable；
Described detection processes circuit 2 and includes that battery II 6, DC-DC rise Voltage stabilizing module II 7, probe circuit 8, filtering and amplifying circuit 9 and compare indicating circuit 10；Battery II 6 is connected to DC-DC and rises the input of Voltage stabilizing module II 7, DC-DC rises the outfan of Voltage stabilizing module II 7 and is connected to filtering and amplifying circuit 9 and compares indicating circuit 10, the outfan of probe circuit 8 is connected to the input of filtering and amplifying circuit 9, and filtering and amplifying circuit 9 outfan is connected to compare the input of indicating circuit 10.
Described probe circuit 8 is made up of metal shielding board, input resistance R, inductance L；Input resistance R is in parallel with inductance L, and metal shielding board is connected with transmitting ground wire and reception ground wire simultaneously, thus overcomes the interference of peripheral electromagnetic field, detects echo signal the most efficiently, it is achieved to the accurate acquisition of echo signal in cable.
Operation principle of the present utility model is:
Battery I 3 is exported 9v voltage and is powered high-frequency circuit 5 by DC-DC liter Voltage stabilizing module I 4 output 18v voltage, boost to 18V and ensure to rise the efficiency of Voltage stabilizing module, the square wave of a kind of multivibrator circuit output 100KHz frequency from high-frequency circuit 5, this specific waveforms is connected to tested cable, the interference of surrounding can be avoided, in order to electric circuit inspection can be processed by detection and arrive.
Probe circuit 8, as shown in Figure 2.Add metal shielding board, be connected collection signal with filtering and amplifying circuit 9, carry out following amplifications, scaling, then through high pass active power filtering acquisition echo signal, and by comparing indicating circuit 10, finally make instruction with the form of sound, light.
When detecting for naked cable, this device can unload barricade and directly detect cable, and probe circuit 8 is directly adjacent to exposed tested cable and gathers signal, inputs filtering and amplifying circuit 9, access again and compare indicating circuit 10, finally make instruction with the form of sound, light.When for shallow embedding cable detection, detect along the tested cable trace of shallow embedding with the probe circuit 8 of then barricade, barricade eliminates the impact of ambient radiation signal, the more collection echo signal of accurate quick, it is connected collection signal with filtering and amplifying circuit 9, carries out following amplifications, scaling, then through high pass active power filtering acquisition echo signal, and by comparing indicating circuit 10, finally make instruction with the form of sound, light.
Above in conjunction with accompanying drawing, specific embodiment of the utility model is explained in detail, but this utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from this utility model objective, various changes can be made.
Claims (2)
1. a Multifunction cable detector, it is characterised in that: include detecting signal transmission circuit (1) and detection processes circuit (2) two large divisions；
Described detection signal transmission circuit (1) includes that battery I (3), DC-DC rise Voltage stabilizing module I (4) and high-frequency circuit (5)；Battery I (3) is connected to DC-DC and rises the input of Voltage stabilizing module I (4), and the outfan of DC-DC liter Voltage stabilizing module I (4) is connected to the input of high-frequency circuit (5), and the outfan of high-frequency circuit (5) is connected to one end of tested cable；
Described detection processes circuit (2) and includes that battery II (6), DC-DC rise Voltage stabilizing module II (7), probe circuit (8), filtering and amplifying circuit (9) and compare indicating circuit (10)；Battery II (6) is connected to DC-DC and rises the input of Voltage stabilizing module II (7), DC-DC rises the outfan of Voltage stabilizing module II (7) and is connected to filtering and amplifying circuit (9) and compares indicating circuit (10), the outfan of probe circuit (8) is connected to the input of filtering and amplifying circuit (9), and filtering and amplifying circuit (9) outfan is connected to compare the input of indicating circuit (10).
Multifunction cable detector the most according to claim 1, it is characterised in that: described probe circuit (8) is made up of metal shielding board, input resistance R, inductance L；Input resistance R is in parallel with inductance L, and metal shielding board is connected with transmitting ground wire and reception ground wire simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620215733.1U CN205594117U (en) | 2016-03-21 | 2016-03-21 | Multifunctional electric cable detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620215733.1U CN205594117U (en) | 2016-03-21 | 2016-03-21 | Multifunctional electric cable detection device |
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| Publication Number | Publication Date |
|---|---|
| CN205594117U true CN205594117U (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620215733.1U Expired - Fee Related CN205594117U (en) | 2016-03-21 | 2016-03-21 | Multifunctional electric cable detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034223A (en) * | 2020-08-25 | 2020-12-04 | 杭州巨骐信息科技股份有限公司 | Isolation system between high-voltage circuit and data acquisition monitoring circuit |
-
2016
- 2016-03-21 CN CN201620215733.1U patent/CN205594117U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034223A (en) * | 2020-08-25 | 2020-12-04 | 杭州巨骐信息科技股份有限公司 | Isolation system between high-voltage circuit and data acquisition monitoring circuit |
| CN112034223B (en) * | 2020-08-25 | 2023-03-21 | 杭州巨骐信息科技股份有限公司 | Isolation system between high-voltage circuit and data acquisition monitoring circuit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20180321 |