CN209182427U - A kind of cable fault light beam synchronous locating device - Google Patents
A kind of cable fault light beam synchronous locating device Download PDFInfo
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- CN209182427U CN209182427U CN201821561004.7U CN201821561004U CN209182427U CN 209182427 U CN209182427 U CN 209182427U CN 201821561004 U CN201821561004 U CN 201821561004U CN 209182427 U CN209182427 U CN 209182427U
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- light beam
- cable fault
- locating device
- shell
- control circuit
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Abstract
The utility model relates to a kind of cable fault light beam synchronous locating devices, including signal detection transition components interconnected and data processing output precision, wherein signal detection transition components include probe and signal processing unit interconnected;Data processing output precision includes shell and the control circuit board that the interior of shell is arranged in;Sound output mouth and light beam output unit are provided on shell;Signal processing unit, sound output mouth and light beam output unit are respectively electrically connected to the control circuit board.The cable fault light beam synchronous locating device of the utility model can be by sound size and Bar graphic display height two ways in conjunction with judging fault point, bring the problems such as due to site environment noise or device sensitivity can be effectively reduced to judge by accident, improve the accuracy of cable fault positioning.
Description
Technical field
The utility model belongs to power cable maintenance technology field, and in particular to a kind of cable fault light beam is synchronous to position dress
It sets.
Background technique
In recent years, with the implementation that Metropolitan Area Network (MAN) is transformed, power cable is more and more widely used.Electric system is right
Before failure cable carries out Measuring error, accurate judgement positioning need to be carried out to Method of Cable Trouble Point, accurately finds the position of fault point
It sets, there is positive effect for the reliability service of buried cable.
Flash tester is the corollary equipment of electric cable failure detector, for measuring to Method of Cable Trouble Point.Due to flash tester
The measurement error of the error of itself, the error in reading of human eye and distance, particularly cable embedded underground actual conditions etc.,
It completes to be difficult the detection of fault point only according to flash tester, therefore is usually accurately positioned by position indicator, position indicator
To Method of Cable Trouble Point electrion have very sensitively receive ability, in a certain range of bigness scale distance along cable
Trend find out high-voltage discharging signal point of maximum intensity to be precisely located.
Existing position indicator is substantially relies on merely sound maximum point to judge fault point using the M.S mode of sound
Position the problems such as device sensitivity, erroneous judgement is be easy to cause, to influence fault point but due to site environment noise factor
The accuracy of positioning.
Utility model content
In order to solve the above-mentioned problems in the prior art, it is synchronous that the utility model provides a kind of cable fault light beam
Positioning device.The technical problems to be solved in the utility model is achieved through the following technical solutions:
The utility model provides a kind of cable fault light beam synchronous locating device, which is characterized in that including being connected with each other
Signal detection transition components and data processing output precision, wherein
The signal detection transition components include probe and signal processing unit interconnected;
The data processing output precision includes shell and the control circuit board that the interior of shell is arranged in;
Sound output mouth and light beam output unit are provided on the shell;
The signal processing unit, the sound output mouth and the light beam output unit are respectively electrically connected to the control
Circuit board processed.
In one embodiment of the utility model, the signal processing unit includes piezoelectric ceramic piece and preposition amplification
Device, the piezoelectric ceramic piece are connected to the probe, and the preamplifier is connected to the piezoelectric ceramic piece and the control
Circuit board.
In one embodiment of the utility model, the signal detection transition components further include connecting rod and portable handle,
The portable handle connects the signal processing unit by the connecting rod.
In one embodiment of the utility model, it is integrated with filter and post amplifier in the control circuit board,
Wherein, the filter is electrically connected to the preamplifier, the post amplifier be connected to the sound output mouth and
Light beam output unit.
In one embodiment of the utility model, the data processing output precision further includes high resistant earphone, the height
Resistance earphone is connected to the sound output mouth.
In one embodiment of the utility model, the light beam output unit is the LED light of setting on the housing
Column shows ammeter.
In one embodiment of the utility model, be additionally provided on the shell scale display dial, switching knob and
Volume adjustment knob, the scale display dial, the switching knob and the volume adjustment knob are electrically connected to the control
Circuit board processed.
Compared with prior art, the utility model has the beneficial effects that:
1, the cable fault light beam synchronous locating device of the utility model can pass through sound size and Bar graphic display height
Two ways is in conjunction with come the problems such as judging fault point, can be effectively reduced due to site environment noise factor or device sensitivity
Bring erroneous judgement, promotes the accuracy of cable fault positioning.
2, the cable fault light beam synchronous locating device of the utility model is suitable for measuring various different cross sections, different medium
Various power cables and the high low-resistances of the cables such as two or more buried electric wires being uniformly laid with, short circuit, open circuit, open circuit and
The accurate positioning of high resistant leakage and high resistant flashover failure.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of cable fault light beam synchronous locating device of the utility model embodiment;
Fig. 2 is a kind of module diagram of cable fault light beam synchronous locating device of the utility model embodiment;
Fig. 3 is that the LED light column of the utility model embodiment shows the circuit diagram of ammeter mould group.
Description of symbols:
1- signal detection transition components;2- data processing output precision;3- high resistant earphone;4- portable handle;5- connecting rod;
6- signal processing unit;7- probe;8- light beam output unit;9- scale display dial;10- switching knob;11- volume adjustment
Knob;12- shell;13- sound output mouth;14- piezoelectric ceramic piece;15- preamplifier;16- filter;It is put after 17-
Big device.
Specific embodiment
The content of the present invention is further described combined with specific embodiments below, but the embodiment party of the utility model
Formula is without being limited thereto.
Referring to Figure 1 and Fig. 2, Fig. 1 be the utility model embodiment a kind of cable fault light beam synchronous locating device
Structural schematic diagram, Fig. 2 are a kind of module diagrams of cable fault light beam synchronous locating device of the utility model embodiment.This
The cable fault light beam synchronous locating device of embodiment, including signal detection transition components 1 interconnected and data processing it is defeated
Component 2 out, wherein signal detection transition components 1 include probe 7 interconnected and signal processing unit 6;Data processing output
Component 2 includes the control circuit board of shell 12 and setting inside the housing;13 He of sound output mouth is provided on shell 12
Light beam output unit 8;Signal processing unit 6, sound output mouth 13 and light beam output unit 8 are respectively electrically connected to control circuit
Plate.
Signal processing unit 6 includes piezoelectric ceramic piece 14 and preamplifier 15, and piezoelectric ceramic piece 14 is connected to probe 7,
Preamplifier 15 is connected to piezoelectric ceramic piece 14 and the control circuit board.Specifically, piezoelectric ceramic piece 14 receive cable
The sound vibration signal of fault point electric discharge, and faint sound vibration signal is converted to electric signal, generate electricity of different strengths and weaknesses
Electric signal, is then sent to preamplifier 15, carries out an enhanced processing by stream.In the present embodiment, preamplifier 15
Using the high-quality instrument amplifier of external import (1NA118P), it has the advantages that good circuit stability, high gain, noise are small, especially
Be circuit gain control on a large scale it is very convenient reliable, no matter it is big so that positioning device is used Method of Cable Trouble Point electric discharge sound
Or Method of Cable Trouble Point is discharged, and sound is small can rapidly and accurately to find Method of Cable Trouble Point.In addition, in signal detection transition components 1
Middle setting low-noise preamplifier, additionally it is possible to solve the problems, such as the cross-talk between fixed point channel and outlet openings.
Further, the signal detection transition components 1 further include connecting rod 5 and portable handle 4, and portable handle 4 passes through connection
5 connection signal processing unit 6 of bar.The effect of portable handle 4 and connecting rod 5 is that user is allowed to facilitate portable and movement during the test
Signal detection transition components 1.
Filter 16 and post amplifier 17 are integrated in the control circuit board, wherein before filter 16 is electrically connected to
Amplifier 15 is set, post amplifier 17 is electrically connected to sound output mouth 13 and light beam output unit 8, in the present embodiment, after
It sets amplifier 17 and uses patch type amplifier LM258, LM224.Specifically, the control circuit board receives preamplifier
15 after the electric signal of an enhanced processing, to the electric signal be filtered with secondary enhanced processing, and will pass through two
The electric signal of secondary enhanced processing is exported to sound output mouth 13 and light beam output unit 8.
Further, the data processing output precision 2 further includes high resistant earphone 3, and high resistant earphone 3 is connected to sound output
Port 13, for high resistant earphone 3 for exporting sound, user judges fault point according to the size of sound;Light beam output unit 8 is to set
It sets the LED light column on shell 12 and shows ammeter, user shows the height that ammeter is shown according to the LED light column to judge failure
The position of point.
Scale display dial 9, switching knob 10 and volume adjustment knob 11, scale display dial are additionally provided on shell 12
9, switching knob 10 and volume adjustment knob 11 are electrically connected to the control circuit board.Scale display dial 9 is for showing road
The size of diameter signal, specifically, in the detection process, when cable fault light beam synchronous locating device is in the surface of buried cable
When, the signal designation of scale display dial 9 is to maximum, when cable fault light beam synchronous locating device deviates cable position trend
When, 9 no signal of scale display dial or signal reduce, and user can show that the size of signal is straight according to scale display dial 9
It sees ground and judges that cable location moves towards.Switching knob 10 is used to operate the switch of instrument and measures the conversion of mode, the measurement
Mode includes fault location test mode, cable trace moves towards test pattern and fault location and cable trace moves towards same pacing
Die trial formula.Volume adjustment knob 11 is used to adjust the size of 3 output volume of high resistant earphone.
Fig. 3 is referred to, Fig. 3 is that the LED light column of the utility model embodiment shows the circuit diagram of ammeter mould group, is such as schemed
It is shown, when LED light display module is receiving after the electric signal of secondary enhanced processing, through over-voltage comparator U102A, electricity
The height for pressing comparator U102B and other circuit connections to pass through LED module light beam to LED light column gauge outfit, the power of electric signal
Level is shown, when no signal, light beam is not shown;When signal increases, Bar graphic display height is consequently increased until all over the screen.This
LED module in embodiment selects grating to open up the Bar graphic display of macro technique, its svelteness, rich in color, high sensitivity can
With more accurate, the signal that receives when intuitively reflecting fault inspecting.
Specific use process is as follows for the cable fault light beam synchronous locating device: first according to the live bigness scale of flash tester
Situation, the test pattern of selective positioning device, if cable trace trend is it has been determined that select fault location test mode, so
Portable signal detection transition components 1 move towards test along cable afterwards, and during the test, probe 7 receives Method of Cable Trouble Point
The sound vibration signal of electric discharge is transmitted to signal processing unit 6, and voice signal is converted to electric signal by signal processing unit 6, and
Carry out an enhanced processing.Then, amplified electric signal detects transition components 1 and data processing output group by connection signal
The conducting wire of part 2 is transferred to data processing output precision 2, filter 16 and post amplifier 17 in data processing output precision 2
Respectively to the electric signal be filtered with secondary enhanced processing, and by Jing Guo secondary enhanced processing electric signal output it is supreme
Resistance earphone 3 and the LED light column that is arranged on shell 12 show ammeter, sound size that user exports according to high resistant earphone 3 and
LED light column shows the light beam height that ammeter is shown, to judge the position of fault point.If cable trace trend does not determine, root
It moves towards test pattern or fault location according to actual conditions selection cable trace and moves towards synchronism detection mode with cable trace to be surveyed
Examination.
The cable fault light beam synchronous locating device of the present embodiment can pass through two kinds of sound size and Bar graphic display height
Mode can effectively reduce band the problems such as due to site environment noise factor or device sensitivity in conjunction with fault point is judged
The erroneous judgement come promotes the accuracy of cable fault positioning.In addition the cable fault light beam synchronous locating device of the present embodiment is applicable in
In cables such as the various power cables for measuring various different cross sections, different medium and two or more the buried electric wires being uniformly laid with
High low-resistance, short circuit, open circuit, open circuit and high resistant leakage and high resistant flashover failure accurate positioning.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (7)
1. a kind of cable fault light beam synchronous locating device, which is characterized in that including signal detection transition components interconnected
(1) and data processing output precision (2), wherein
The signal detection transition components (1) include probe interconnected (7) and signal processing unit (6);
The data processing output precision (2) includes shell (12) and the control circuit board that the interior of shell is arranged in;
Sound output mouth (13) and light beam output unit (8) are provided on the shell (12);
The signal processing unit (6), the sound output mouth (13) and the light beam output unit (8) are respectively electrically connected to
The control circuit board.
2. cable fault light beam synchronous locating device according to claim 1, which is characterized in that
The signal processing unit (6) includes piezoelectric ceramic piece (14) and preamplifier (15), the piezoelectric ceramic piece connection
To the probe (7), the preamplifier (15) is connected to the piezoelectric ceramic piece (14) and the control circuit board simultaneously.
3. cable fault light beam synchronous locating device according to claim 1, which is characterized in that
The signal detection transition components (1) further include connecting rod (5) and portable handle (4), and the portable handle (4) passes through the company
Extension bar (5) connects the signal processing unit (6).
4. cable fault light beam synchronous locating device according to claim 2, which is characterized in that in the control circuit board
It is integrated with filter (16) and post amplifier (17), wherein the filter (16) is electrically connected to the preamplifier
(15), the post amplifier (17) is connected to the sound output mouth (13) and light beam output unit (8).
5. cable fault light beam synchronous locating device according to claim 1, which is characterized in that the data processing output
Component (2) further includes high resistant earphone (3), and the high resistant earphone (3) is connected to the sound output mouth (13).
6. cable fault light beam synchronous locating device according to claim 1, which is characterized in that the light beam output unit
(8) the LED light column to be arranged on the shell (12) shows ammeter.
7. cable fault light beam synchronous locating device according to claim 1, which is characterized in that on the shell (12) also
It is provided with scale display dial (9), switching knob (10) and volume adjustment knob (11), it is the scale display dial (9), described
Switching knob (10) and the volume adjustment knob (11) are electrically connected to the control circuit board.
Priority Applications (1)
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CN201821561004.7U CN209182427U (en) | 2018-09-25 | 2018-09-25 | A kind of cable fault light beam synchronous locating device |
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CN201821561004.7U CN209182427U (en) | 2018-09-25 | 2018-09-25 | A kind of cable fault light beam synchronous locating device |
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CN201821561004.7U Active CN209182427U (en) | 2018-09-25 | 2018-09-25 | A kind of cable fault light beam synchronous locating device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112415629A (en) * | 2020-10-22 | 2021-02-26 | 北京潞电电气设备有限公司 | Cable path identification and fault location vehicle |
-
2018
- 2018-09-25 CN CN201821561004.7U patent/CN209182427U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112415629A (en) * | 2020-10-22 | 2021-02-26 | 北京潞电电气设备有限公司 | Cable path identification and fault location vehicle |
CN112415629B (en) * | 2020-10-22 | 2023-11-21 | 北京潞电电气设备有限公司 | Cable path identification and fault location vehicle |
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Effective date of registration: 20210128 Address after: Room 21601, 16 / F, unit 2, building 12, fengjingtianxia, 2199 Weiqu North Street, Chang'an District, Xi'an City, Shaanxi Province, 710000 Patentee after: Xi'an National Hongyue Electromechanical Technology Co.,Ltd. Address before: 710071 NO.3-4, industrial building, No.2, Taibai South Road, Yanta District, Xi'an City, Shaanxi Province Patentee before: Fengze Electronic Technology Co Ltd of Xi'an University of Electronic Science and Technology |