CN105910694A - Insulated mounting or detaching rod of transformer vibration signal online monitoring sensor - Google Patents
Insulated mounting or detaching rod of transformer vibration signal online monitoring sensor Download PDFInfo
- Publication number
- CN105910694A CN105910694A CN201610228441.6A CN201610228441A CN105910694A CN 105910694 A CN105910694 A CN 105910694A CN 201610228441 A CN201610228441 A CN 201610228441A CN 105910694 A CN105910694 A CN 105910694A
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- CN
- China
- Prior art keywords
- mounting
- installation
- bar
- vibration signal
- insulated
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an insulated mounting or detaching rod of a transformer vibration signal online monitoring sensor. The insulated mounting or detaching rod comprises a mounting or detaching rod, a handle, telescoping adjusting elastic rope fasteners, an insulated rope and a clamping structure. The handle is mounted on one end of the mounting or detaching rod, and one end of the insulated rope can wind the handle. The insulated rope is mounted in the mounting or detaching rod and is connected with the clamping structure. The clamping structure can be locked through tightening the insulated rope by pulling. The clamping structure is mounted on the other end of the mounting or detaching rod and can be opened or closed for clamping a sensor. The mounting or detaching rod is a multi-segment telescopic rod, and telescoping of each segment is controlled by the telescoping adjusting elastic rope fasteners. The insulated mounting or detaching rod has beneficial effects of adjustable length, simple structure and easy use. Not only can requirement for mounting/detaching height be satisfied, but also an insulation problem is considered. Effective safety insurance is realized. Furthermore the insulated mounting or detaching rod facilitates an experiment in actually measuring the transformer vibration signal.
Description
Technical field
The invention belongs to transformer technology field, relate to a kind of transformer vibration signal on-line monitoring sensor insulation
Installation or removal bar.
Background technology
When transformator runs, the magnetostriction of stalloy makes transformer core all along with the change of magnetic flux
The vibration of phase property, the leakage field of the generation of the load current in winding simultaneously causes the vibration of winding.In inside transformer,
The structure such as cross-over block and folder is driven to make complicated mechanical vibration, especially by winding and the body formed unshakable in one's determination
It is under there is the big current conditions such as overload or short circuit, vibrates the most violent.It addition, operating cooler
The action of fan and oil pump, shunting switch also can produce vibration, but such frequency of vibration is the most single,
Substantially at below 100Hz, this is significantly different with the vibration characteristics of transformer body vibration, is easier district
Separate.Vibration in transformer tank body is by transformer insulation oil and supports component passes to tank surface, together
Time in the form of a sound wave to surrounding spread.Traditional transformer state measuring method is by impedance, inductance, mutually
The change of the parameters such as the gas that sense, electric capacity, insulation ag(e)ing produce detects the state of transformator, and these parameters are
Due to the indirect performance after the loosening of component, deformation, and mechanical vibration to be the loosening of component, deformation the most direct
The form of expression.Show according to lot of experiments, the vibration on Transformer Winding surface and the vibration of tank surface
Signal simply has decay on vibration amplitude.That is vibrating sensor is at transformer body surface and gas tank gage
The signal that face records has identical conclusion, so the change of monitoring tank wall vibration can reflect inside transformer structure
Change.By the vibration signal recorded being analyzed and processing, Transformer Winding and fortune unshakable in one's determination can be drawn
Row situation, finds the incipient fault that inside transformer exists earlier.
Meanwhile, correlational study shows: for a certain fixing measuring point, when sensor installation site mobility scale relatively
Hour, the vibration signal change recorded is inconspicuous, will not impact the judgement of transformator health status；And
When sensor mounting location variation is bigger, vibration signal amplitude in some frequency changes the most greatly, may cause by mistake
Sentence.
At present, judge that the research of transformator health status is increasingly by the weight of vast researcher according to vibration signal
Depending on.In actual transformer station, large-scale power transformer not only electric pressure is higher, the safe distance to each position
Requiring relatively tight, and volume ratio is relatively big, the vibration signal measuring point distance ground of transformer oil upper box part is higher, no
It is easy to installation and the dismounting of vibrating sensor.
Summary of the invention
It is an object of the invention to provide a kind of transformer vibration signal on-line monitoring sensor insulating mounting or tear open
Unloading bar, the vibration signal measuring point distance ground solving large-scale power transformer fuel tank top is higher, is not easy to shake
The installation of dynamic sensor and dismounting, and the problem that setter can be brought danger by high voltage environment.
The technical solution adopted in the present invention be include install or remove bar, handle, telescopic adjustment elasticity sling,
Insulating cord and clamp structure；Described handle be arranged on installation or removal bar one end, can by insulating cord one ends wound its
On；Described insulating cord is arranged on installation or removal bar inside and connects clamp structure, and tension insulating cord can locking
Clamp structure；Described clamp structure is arranged on the installation or removal bar other end, it is possible to opens or closes, being used for pressing from both sides
Hold sensor；Described installation or removal bar is Multi-section retractable bar, telescopic adjustment elasticity sling control each joint
Flexible.
Further, described installation or removal bar is three joints, is provided with telescopic adjustment elasticity sling between every two joints.
Further, described clamp structure is made up of the first arc ring, the second arc ring and base, the first arc ring
Being fixed on base, the second arc ring is movably arranged on base, and base is provided with the first hook, the second arc
Ring is provided with the second hook, the first hook and the second hook and is connected by elastic threads, described base hollow.
The invention has the beneficial effects as follows that attaching/detaching bar has adjustable length, easy to use, peace can not only be met
The requirement of dress/dismounting height, and in view of Insulation Problems, safety is secure, it is simple to and reality measures transformation
Carrying out of device vibration signal test.
Accompanying drawing explanation
Fig. 1 is one transformer vibration signal on-line monitoring sensor insulating mounting of the present invention or removal rod structure
Schematic diagram；
Fig. 2 is handle arrangement schematic diagram；
Fig. 3 is clamp structure schematic diagram.
In figure, 1. handle, 2. installation or removal bar, 3. telescopic adjustment elasticity sling, 4. clamp structure, 5. insulation
Rope, 401. first arc rings, 402. bases, 403. second arc rings, 404. first hooks, 405. second hooks,
406. elastic threads.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
A kind of structure as shown in Figure 1, by handle 1, installation or removal bar 2, telescopic adjustment elasticity sling 3,
Clamp structure 4 forms.Wherein, installation or removal bar 2 is three joints, according to Len req regulation installation or removal
Bar 2 is long, regulates insulating cord 5 in the tight bar of post-tensioning that puts in place, will be wrapped on handle 1 beyond length, thus reach
The purpose of regulation fixed insulation rope 5 length；When elongating each joint installation or removal bar 2 and arriving certain length, stretch
Elastic sling 3 automatic spring of contracting regulation plays fixation, when needs compression installation or removal bar 2, manually
Telescopic adjustment elasticity sling 3 is pressed, the length of the most compressible installation or removal bar 2；
Pull with hand insulating cord 5 during use and control the locking of clamp structure 4, when installation or removal bar 2 is in not
During with length, insulating cord 5 overlength is partially around on handle 1, thus keeps insulating cord 5 to be constantly in and draw
Tight state.Fig. 2 show transformer vibration signal sensor handle 1 structure chart, because of installation or removal bar 2
Long and beyond length insulating cord 5 can be wrapped on handle 1, thus reaches regulate insulating cord 5 length and consolidate
Fixed purpose.The present invention uses the draught line transmission as clamp structure locking of insulating cord 5, it is simple to stretching of bar
Contracting designs.
Fig. 3 show the structural scheme of mechanism of a kind of clamp structure 4, and in figure, the first arc ring 401 is fixed on base
On 402, the second arc ring 403 is movably arranged on base 402, the first hook on the second arc ring 403
404 and second link up with 405 for hanging the less elastic threads of coefficient of elasticity 406 so that in normal state,
First arc ring 401 of clamp structure 4 and the second arc ring 403 are in open configuration.In use, pass through
Pulling with hand insulating cord 5 drives the second arc ring 403 to move in bar, thus reduces the first arc ring 401
With the opening angle of the second arc ring 403, reach to clamp the purpose of sensor.Second arc ring 403 embeds
Elastic threads, unclamping insulating cord 5 after locking can automatically spring open, and simplifies the complexity of structure；
Installation process:
1, take out installation or removal bar 2, install or remove bar 2 according to the altitude mixture control of vibrating sensor to be installed
Length and the length of insulating cord 5；
2, vibrating sensor is inserted in clamp structure 4；
3, pull insulating cord 5 clamping vibration sensor, vibrating sensor is placed in setting position；
4, unclamp insulating cord 5, insulating cord 5 is wrapped on handle 1, regain installation or removal bar 2.
Unloading process:
1, take out installation or removal bar 2, install or remove bar length and absolutely according to the height of vibrating sensor to be dismantled
The length of edge rope 5；
2, overlap, with clamp structure 4, the vibrating sensor that residence is to be dismantled；
3, pull insulating cord 5 clamping vibration sensor, and installation or removal bar 2 is rotated to an angle so that shake
Dynamic sensor departs from oil tank of transformer surface, thus takes off vibrating sensor；
4, unclamp insulating cord 5, insulating cord 5 is wrapped on handle 1, regain installation or removal bar 2.
It is also an advantage of the present invention that: for the needs when line transformer vibration measurement.Qi Bi side is installed vibration and is passed
Sensor, the present invention is used for developing transformer vibration signal sensor attaching/detaching bar, and it has adjustable length merit
Can, bar can be installed or removed according to real transformer measuring point height difference long, both be easy to be installed to sensor close
Suitable position is convenient for carrying again, and clamping arc ring can be made to recover open configuration in the case of handle attonity；
Use insulating cord to stretch clamping device as draught line, it is simple to installation or removal bar bar length regulation, twine beyond part
It is wound on handle, easy to operate, tightness good；
The above is only the better embodiment to the present invention, not makees the present invention any pro forma
Limiting, every any simple modification done embodiment of above according to the technical spirit of the present invention, equivalent becomes
Change and modify, belonging in the range of technical solution of the present invention.
Claims (3)
1. a transformer vibration signal on-line monitoring sensor insulating mounting or removal rod, it is characterised in that:
Including installation or removal bar, handle, telescopic adjustment elasticity sling, insulating cord and clamp structure；
Described handle is arranged on installation or removal bar one end, can be by insulating cord one ends wound on it；
Described insulating cord is arranged on installation or removal bar inside and connects clamp structure, and tension insulating cord can locking
Clamp structure；
Described clamp structure is arranged on the installation or removal bar other end, it is possible to opens or closes, being used for clamping sensing
Device；
Described installation or removal bar is Multi-section retractable bar, telescopic adjustment elasticity sling control the flexible of each joint.
2. according to transformer vibration signal on-line monitoring sensor insulating mounting a kind of described in claim 1 or dismounting
Bar, it is characterised in that: described installation or removal bar is three joints, is provided with telescopic adjustment elastic threads between every two joints
Button.
3. according to transformer vibration signal on-line monitoring sensor insulating mounting a kind of described in claim 1 or dismounting
Bar, it is characterised in that: described clamp structure is made up of the first arc ring, the second arc ring and base, the first arc
Shape ring is fixed on base, and the second arc ring is movably arranged on base, and base is provided with the first hook, and second
Arc ring is provided with the second hook, the first hook and the second hook and is connected by elastic threads, described base hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228441.6A CN105910694A (en) | 2016-04-13 | 2016-04-13 | Insulated mounting or detaching rod of transformer vibration signal online monitoring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228441.6A CN105910694A (en) | 2016-04-13 | 2016-04-13 | Insulated mounting or detaching rod of transformer vibration signal online monitoring sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105910694A true CN105910694A (en) | 2016-08-31 |
Family
ID=56746007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610228441.6A Pending CN105910694A (en) | 2016-04-13 | 2016-04-13 | Insulated mounting or detaching rod of transformer vibration signal online monitoring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910694A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203422437U (en) * | 2013-03-21 | 2014-02-05 | 湖北省电力公司随州供电公司 | Pincer-like live-line tester for leakage current of zinc oxide arrester |
| CN203630193U (en) * | 2013-11-27 | 2014-06-04 | 国家电网公司 | Low-voltage current measuring rod |
| CN204243231U (en) * | 2014-11-18 | 2015-04-01 | 国家电网公司 | P-wire eminence assembling and removing device |
| CN204649955U (en) * | 2015-05-22 | 2015-09-16 | 国家电网公司 | The special external voltage pincers of tester |
| CN204789724U (en) * | 2015-07-10 | 2015-11-18 | 深圳市龙供供电服务有限公司 | Split -core type meter with scalable action bars |
-
2016
- 2016-04-13 CN CN201610228441.6A patent/CN105910694A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203422437U (en) * | 2013-03-21 | 2014-02-05 | 湖北省电力公司随州供电公司 | Pincer-like live-line tester for leakage current of zinc oxide arrester |
| CN203630193U (en) * | 2013-11-27 | 2014-06-04 | 国家电网公司 | Low-voltage current measuring rod |
| CN204243231U (en) * | 2014-11-18 | 2015-04-01 | 国家电网公司 | P-wire eminence assembling and removing device |
| CN204649955U (en) * | 2015-05-22 | 2015-09-16 | 国家电网公司 | The special external voltage pincers of tester |
| CN204789724U (en) * | 2015-07-10 | 2015-11-18 | 深圳市龙供供电服务有限公司 | Split -core type meter with scalable action bars |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
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| RJ01 | Rejection of invention patent application after publication |