CN208443963U - A kind of power equipment shelf depreciation inspection device - Google Patents
A kind of power equipment shelf depreciation inspection device Download PDFInfo
- Publication number
- CN208443963U CN208443963U CN201821051569.0U CN201821051569U CN208443963U CN 208443963 U CN208443963 U CN 208443963U CN 201821051569 U CN201821051569 U CN 201821051569U CN 208443963 U CN208443963 U CN 208443963U
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- China
- Prior art keywords
- bulb
- acoustic emission
- partial discharge
- emission sensor
- shelf depreciation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of power equipment shelf depreciation inspection device, including insulating bar and universal ball joint；The head end of insulating bar is equipped with articulated joint A, and the body of rod of side is equipped with digital display device behind；Universal ball joint is made of bulb and bulb grip slipper, articulated joint B is equipped on bulb grip slipper, it is hinged between articulated joint A and articulated joint B by clamping screw, bulb connects deck by connecting rod, the Partial Discharge Detection acoustic emission sensor of connection digital display device is installed in deck, deck fastens Partial Discharge Detection acoustic emission sensor by capping；A detection window and at least three screw-threaded counterbores are offered in capping, are fitted with hollow bolt in each screw-threaded counterbore, ball and preloading spring are installed in hollow bolt, or be installed with permanent magnet；The utility model structure is simple and convenient to operate, convenient for being realized on a large scale to charging equipment progress inspection or carrying out fixed point detection, it is ensured that the accuracy of testing result.
Description
Technical field
The utility model designs electric insulation detection device, especially a kind of power equipment shelf depreciation inspection device.
Background technique
Shelf depreciation is one of the main reason for causing insulation fault and the important sign of insulation degradation and performance shape
The deterioration of formula, partial discharge and insulating materials and breakdown process are closely related, can effectively reflect the insulation status of electrical equipment, especially
It is effectively more to early detection catastrophic discontinuityfailure.Partial Discharge Detection is carried out to power equipment to be not only able to understand the exhausted of equipment
Edge situation, and can insulation defect present in discovering device as early as possible.
Currently, it is mainly realized using ultrasonic hand-held wave sensor and its matched instrument to power equipment shelf depreciation
Detection ultrasonic sensor, and close contact equipment under test are directly held by testing crew when actually detected.This
There are the following problems for the test method of sample: (1) it when detect eminence measurement point needs that insulating ladder is used to carry out operation of ascending a height, this
Sample causes detection time too long, and there are problems that accuracy and safety；(2) when large area detection to be carried out or long part
Between detection when, time-consuming and laborious by man-hour manually hand-held detection operation, and manpower holds sensor and is attached to equipment under test surface, can
It can shake, resulting vibration signal influences whether test result；(3) if occurring the scene punctured in testing,
The direct hand-held sensor of tester, might have physical electrical shock fire protection risk.
Summary of the invention
The purpose of this utility model seek to solve to be difficult to using hand-held ultrasound wave sensor to high-order power equipment into
The detection of row shelf depreciation, and there are time-consuming and laborious, it is difficult to ensure the problem of the accuracy and safety of detection, provide one thus
Kind power equipment shelf depreciation inspection device.
The concrete scheme of the utility model is: a kind of power equipment shelf depreciation inspection device, it is characterized in that: including insulation
Operating stick and universal ball joint；The head end of the insulating bar is equipped with articulated joint A, and the body of rod of side is equipped with number behind
Display device；The universal ball joint is made of bulb and bulb grip slipper, articulated joint B is equipped on bulb grip slipper, hingedly
It is hinged between head A and articulated joint B by clamping screw, bulb connects deck by connecting rod, and part is installed in deck and is put
Electro-detection acoustic emission sensor, deck fasten Partial Discharge Detection acoustic emission sensor by the capping equipped with it,
Partial Discharge Detection acoustic emission sensor and digital display device communication connection；Detection window and extremely is offered in capping
Few three screw-threaded counterbores, wherein detection window is corresponding with Partial Discharge Detection acoustic emission sensor, in each screw-threaded counterbore
It is fitted with hollow bolt；The front end of the hollow bolt is set as throat structure, be installed in hollow bolt ball and with its
The preloading spring matched, or permanent magnet is installed in hollow bolt.
Insulating bar described in the utility model is set as hollow structure, the signal of Partial Discharge Detection acoustic emission sensor
Lead-out wire penetrates in insulating bar, and carries out communication connection with digital display device.
Digital display device described in the utility model be equipped with single-chip microcontroller, A/D conversion module and digital display module, and
It is installed in the body of rod of insulating bar and provides the battery group of power supply for the modules into digital display device；
The Partial Discharge Detection acoustic emission sensor communication connection A/D conversion module, A/D conversion module communication connection single-chip microcontroller are single
Piece machine communication connection digital display module.
Piezo-electric type, the difference output of the model of Partial Discharge Detection acoustic emission sensor described in the utility model AE503D
Sensor；The model ADC0804 that the A/D conversion module uses；The model AT89S52 that the single-chip microcontroller uses；Institute
State the model DPY4-LED of digital display module use.
Bulb grip slipper described in the utility model is fastenedly connected by pedestal and grip block by fastening bolt；In pedestal
Offer the spherical groove to match with bulb；Circular through hole is offered on grip block, the hole wall of circular through hole is in cambered surface knot
Structure, and match with bulb.
The card slot to match with Partial Discharge Detection acoustic emission sensor is offered in deck described in the utility model, and
Lower deep gouge is offered in the slot bottom of card slot, pressure spring is housed in lower deep gouge.
Clamping screw described in the utility model is equipped with goat's horn nut, to realize to the tight of articulated joint A and articulated joint B
Gu；The hollow bolt is equipped with integrally formed nut.
The utility model has the following beneficial effects:
(1) the utility model drops significantly convenient for being realized on a large scale to charging equipment progress inspection or carrying out fixed point detection
The low workload of testing staff, and ensure the accuracy of testing result；
(2) the utility model is easy to implement by holding insulating bar to the shelf depreciation for being located at high-order power equipment
Detection operation, it is ensured that the personal safety of testing staff；
(3) the utility model, which ensures, keeps one between Partial Discharge Detection acoustic emission sensor and tested power equipment
The detecting distance of safety, effectively prevents Partial Discharge Detection acoustic emission sensor and the problem of electrical breakdown occurs, it is ensured that its
Service life.
(4) the utility model structure is simple and convenient to operate, and can be carried out to detection data by a testing staff direct
It reads, the testing staff not only needed is few, but also detection efficiency is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the detection schematic diagram of the utility model；
Fig. 3 is the electrical schematic diagram of digital display device in the utility model；
Fig. 4 is the structural schematic diagram of bulb grip slipper in the utility model；
Fig. 5 is the attachment structure schematic diagram of bulb and deck in the utility model.
In figure: 1-insulating bar, 2-articulated joint A, 3-digital display devices, 4-bulbs, 5-bulb grip slippers,
5a-pedestal, 5b-grip block, 5c-fastening bolt, 5d-spherical groove, 5e-circular through hole, 6-articulated joint B, 7-lockings
Bolt, 8-goat's horn nuts, 9-connecting rods, 10-decks, 11-Partial Discharge Detection acoustic emission sensors, 12-cappings, 13-
Detection window, 14-screw-threaded counterbores, 15-hollow bolts, 16-nuts, 17-balls, 18-preloading springs, 19-permanent magnetics
Iron, 20-signal lead-out wires, 21-single-chip microcontrollers, 22-A/D conversion modules, 23-digital display modules, 24-battery groups,
25-card slots, 26-lower deep gouges, 27-pressure springs.
Specific embodiment
Referring to Fig. 1-5, a kind of power equipment shelf depreciation inspection device, including insulating bar 1 and universal ball joint；Institute
The head end for stating insulating bar 1 is equipped with articulated joint A2, and the body of rod of side is equipped with digital display device 3 behind；The spherical shape
Universal joint is made of bulb 4 and bulb grip slipper 5, and articulated joint B6, articulated joint A2 and articulated joint B6 are equipped on bulb grip slipper 5
Between be hinged by clamping screw 7, and in actual use by equipped goat's horn nut 8 to the articulated joint A2 being hinged
It is locked with articulated joint B6.
The bulb 4 connects deck 10 by connecting rod 9, and Partial Discharge Detection acoustic emission sensor is installed in deck 10
11, deck 10 is fastened by 12 pairs of Partial Discharge Detection acoustic emission sensors 11 of capping equipped with it, shelf depreciation inspection
Survey acoustic emission sensor 11 and 3 communication connection of digital display device；Detection window 13 and at least is offered in capping 12
Three screw-threaded counterbores 14, wherein detection window 13 is corresponding with Partial Discharge Detection acoustic emission sensor 11, heavy in each screw thread
Hollow bolt 15 is fitted in hole 14；The front end of the hollow bolt 15 is set as throat structure, and one is equipped on hollow bolt 15
Body formed nut 16, is installed with ball 17 in hollow bolt 15 and matched preloading spring 18, ball 17 are pre-tightening
The lower front end that can be always positioned at hollow bolt 15 of the elastic force effect of spring 18, since ball 17 is contacted with tested power equipment surface
For the mode being in rolling contact, this is realized on a large scale convenient for operator carries out inspection to charging equipment.In addition, when needing to band
Electric equipment carry out fixed point detection when, only need to by the ball 17 replaced with permanent magnet 19 in former hollow bolt 15 and preloading spring 1,
It also prevents that the accuracy for influencing testing result due to shake occurs because of Partial Discharge Detection acoustic emission sensor 11 in this way.
Insulating bar 1 described in the present embodiment is set as hollow structure, the letter of Partial Discharge Detection acoustic emission sensor 11
Number lead-out wire 20 penetrates in insulating bar 1, and carries out communication connection with digital display device 3.
Referring to Fig. 3, it is aobvious that digital display device 3 described in the present embodiment is equipped with single-chip microcontroller 21, A/D conversion module 22 and number
Show module 23, and is installed in the body of rod of insulating bar 1 and provides power supply for the modules into digital display device 3
The battery group 24 of power supply；The 11 communication connection A/D conversion module 22 of Partial Discharge Detection acoustic emission sensor, A/D conversion
22 communication connection single-chip microcontroller 21 of module, 21 communication connection digital display module 23 of single-chip microcontroller.
Piezo-electric type, the difference output of 11 model AE503D of Partial Discharge Detection acoustic emission sensor described in the present embodiment
Sensor；The model ADC0804 that the A/D conversion module 22 uses；The model that the single-chip microcontroller 21 uses
AT89S52；The model DPY4-LED that the digital display module 23 uses.
Bulb grip slipper described in the present embodiment 5 is fastenedly connected by pedestal 5a and grip block 5b by fastening bolt 5c；?
The spherical groove 5d to match with bulb 4 is offered in pedestal 5a；Circular through hole 5e, circular through hole are offered on grip block 5b
The hole wall of 5e is in globoidal structure, and is matched with bulb 4.
The card slot to match with Partial Discharge Detection acoustic emission sensor 11 is offered in deck 10 described in the present embodiment
25, and lower deep gouge 26 is offered in the slot bottom of card slot 25, pressure spring 27 is housed in lower deep gouge 26, pressure spring 27 is for ensuring that part is put
Electro-detection acoustic emission sensor 11 remains Pre strained state, and ensures to occur in card slot 25 to slide or shake.
Claims (7)
1. a kind of power equipment shelf depreciation inspection device, it is characterized in that: including insulating bar and universal ball joint；It is described exhausted
The head end of edge operating stick is equipped with articulated joint A, and the body of rod of side is equipped with digital display device behind；The universal ball joint by
Bulb and bulb grip slipper composition, articulated joint B is equipped on bulb grip slipper, passes through locking screw between articulated joint A and articulated joint B
Bolt is hinged, and bulb connects deck by connecting rod, Partial Discharge Detection acoustic emission sensor is installed in deck, deck passes through
The capping equipped with it fastens Partial Discharge Detection acoustic emission sensor, Partial Discharge Detection acoustic emission sensor and number
Code display device communication connection；A detection window and at least three screw-threaded counterbores are offered in capping, wherein detection window
It is corresponding with Partial Discharge Detection acoustic emission sensor, hollow bolt is fitted in each screw-threaded counterbore；The hollow bolt
Front end be set as throat structure, ball and matched preloading spring are installed in hollow bolt, or in hollow bolt
In be installed with permanent magnet.
2. a kind of power equipment shelf depreciation inspection device according to claim 1, it is characterized in that: the insulating bar
It is set as hollow structure, the signal lead-out wire of Partial Discharge Detection acoustic emission sensor penetrates in insulating bar, and aobvious with number
Showing device carries out communication connection.
3. a kind of power equipment shelf depreciation inspection device according to claim 1 or 2, it is characterized in that: described digital aobvious
Showing device is equipped with single-chip microcontroller, A/D conversion module and digital display module, and be installed in the body of rod of insulating bar for
Modules in digital display device provide the battery group of power supply；The Partial Discharge Detection acoustic emission sensor is logical
News connection A/D conversion module, A/D conversion module communication connection single-chip microcontroller, microcontroller communication connect digital display module.
4. a kind of power equipment shelf depreciation inspection device according to claim 3, it is characterized in that: the shelf depreciation is examined
Survey the piezo-electric type of acoustic emission sensor model AE503D, the sensor of difference output；The model that the A/D conversion module uses
For ADC0804；The model AT89S52 that the single-chip microcontroller uses；The model DPY4-LED that the digital display module uses.
5. a kind of power equipment shelf depreciation inspection device according to claim 1, it is characterized in that: the bulb grip slipper
It is fastenedly connected by pedestal and grip block by fastening bolt；The spherical groove to match with bulb is offered in pedestal；It is pressing from both sides
It holds and offers circular through hole on plate, the hole wall of circular through hole is in globoidal structure, and is matched with bulb.
6. a kind of power equipment shelf depreciation inspection device according to claim 1, it is characterized in that: being opened up in the deck
There is the card slot to match with Partial Discharge Detection acoustic emission sensor, and offer lower deep gouge in the slot bottom of card slot, in lower deep gouge
In be equipped with pressure spring.
7. a kind of power equipment shelf depreciation inspection device according to claim 1, it is characterized in that: the clamping screw is matched
Equipped with goat's horn nut, to realize the fastening to articulated joint A and articulated joint B；The hollow bolt is equipped with integrally formed nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821051569.0U CN208443963U (en) | 2018-07-04 | 2018-07-04 | A kind of power equipment shelf depreciation inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821051569.0U CN208443963U (en) | 2018-07-04 | 2018-07-04 | A kind of power equipment shelf depreciation inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208443963U true CN208443963U (en) | 2019-01-29 |
Family
ID=65088136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821051569.0U Expired - Fee Related CN208443963U (en) | 2018-07-04 | 2018-07-04 | A kind of power equipment shelf depreciation inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208443963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751675A (en) * | 2019-03-28 | 2020-10-09 | 上海电机学院 | Ultrasonic sensor extension fixture |
| CN114001831A (en) * | 2021-12-01 | 2022-02-01 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Infrared temperature measurement system and method for reactor |
-
2018
- 2018-07-04 CN CN201821051569.0U patent/CN208443963U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751675A (en) * | 2019-03-28 | 2020-10-09 | 上海电机学院 | Ultrasonic sensor extension fixture |
| CN114001831A (en) * | 2021-12-01 | 2022-02-01 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Infrared temperature measurement system and method for reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200806 Address after: 435000 Huangshi Avenue 153, Huangshi City, Hubei Province Patentee after: HUANGSHI ELECTRIC POWER SURVEY DESIGN Co.,Ltd. Address before: 435000 No. 861, Huangshi Avenue, Huangshi, Hubei Co-patentee before: HUANGSHI ELECTRIC POWER SURVEY DESIGN Co.,Ltd. Patentee before: HUANGSHI POWER SUPPLY COMPANY OF STATE GRID HUBEI ELECTRIC POWER Co.,Ltd. |
|
| 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: 20190129 Termination date: 20210704 |