CN209728103U - A kind of corona accelerates the experimental rig of composite insulator aging - Google Patents
A kind of corona accelerates the experimental rig of composite insulator aging Download PDFInfo
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- CN209728103U CN209728103U CN201920258030.0U CN201920258030U CN209728103U CN 209728103 U CN209728103 U CN 209728103U CN 201920258030 U CN201920258030 U CN 201920258030U CN 209728103 U CN209728103 U CN 209728103U
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Abstract
The utility model provides a kind of experimental rig of corona acceleration composite insulator aging, including mobile discharge platform, multiple electric discharge stations are provided on mobile platform, each electric discharge station includes multiple pin electrodes and a plate electrode, composite insulator test piece can be placed on electric discharge station, then pin electrode and plate electrode realize corona discharge, so as to accelerate the aging of composite insulator test piece, convenience is provided for researcher, since the utility model is using spininess-single plate structure formula electrode, it discharges more uniform, the error generated in corona discharge process can be reduced.
Description
Technical field
The utility model relates to a kind of composite insulator ageing test apparatus, in particular to a kind of to be accelerated by corona discharge
The experimental rig of composite insulator aging.
Background technique
Composite insulator is used in a kind of insulator of polydisc shape of high type high-tension bus-bar connection tower, in order to increase
Creepage distance is usually made of glass or ceramics, mainly plays two in overhead transmission line, that is, supports conducting wire and prevent electricity
Ground is flowed back to, if phenomena such as aging occurs in composite insulator, it will damage the use and service life of whole route.
Corona discharge refers to the electric discharge phenomena common in surface of composite insulator, especially end, and corona discharge can make multiple
Insulator surface aging is closed, the performance of composite insulator is influenced, to cannot achieve support conducting wire, the work for preventing electric current from going back to ground
With influence of the corona discharge to composite insulator performance at present not yet forms unified testing standard in power industry, so anxious
A set of equipment is needed and accelerates by way of artificial corona discharge the aging of composite insulator, personnel for deliberation study corona pair
The influence of composite insulator performance.
Utility model content
Mirror is with this, and the utility model proposes a kind of experimental rigs for accelerating composite insulator aging by corona discharge, can
Accelerate the aging of composite insulator, personnel's follow-up study for deliberation in a manner of using corona discharge.
The technical solution of the utility model is achieved in that
A kind of corona accelerates the experimental rig of composite insulator aging, including apparatus main body, setting in described device main body
There are the mobile discharge platform and the sliding rail mobile for mobile discharge platform for discharging composite insulator test piece,
The movable type discharge platform slides back and forth in apparatus main body along sliding rail, is provided with one on the movable type discharge platform
Above electric discharge station, the electric discharge station include for the plate electrode of ground connection and more than two for being electrically connected with high-voltage end
The pin electrode connect, the pin electrode are arranged above plate electrode, are formed between the pin electrode and plate electrode for composite insulator
The placement position that test piece is placed.
Preferably, the regulating switch for metering needle electrode height is provided on the pin electrode.
Preferably, the pin electrode is telescopic structure, and the regulating switch is knob switch, and the regulating switch is set
It sets at the extending position of pin electrode.
Preferably, described device main body further includes test cavity and the transparent slide plate for cover test chamber, the sliding rail
It is arranged in test cavity, the movable type discharge platform slides back and forth in test cavity along sliding rail.
Preferably, described device body exterior is provided with for the guide rail of transparent slide plate slides and for locking transparent slide plate
Locking switch.
It preferably, further include for detecting the current transformer of leakage current between plate electrode and ground terminal and being used for electricity
The controller that the signal of current transformer detection is handled, the current transformer are set in the conducting wire between plate electrode and ground terminal
Outside, the controller are connect with current transformer.
Preferably, described device body exterior is provided with the display screen for showing drain conditions, the display screen and control
Device connection processed.
Preferably, the height for placing position is 5mm-10mm.
Preferably, the pin electrode is provided with taper discharge end, and the angle between the taper discharge end and horizontal plane is
60 degree.
Preferably, the electric discharge station further include for adjusting the slide rheostat for being output to voltage swing on pin electrode,
Described slide rheostat one end is electrically connected with high-voltage end, and the other end is electrically connected with pin electrode.
Compared with prior art, the utility model has the beneficial effects that
The utility model provides a kind of experimental rig of corona acceleration composite insulator aging, passes through and spininess-plate is arranged
Electrode to carry out corona discharge to composite insulator test piece, the artificial corona discharge to composite insulator is realized, so as to add
The aging of fast composite insulator test piece, the influence for research corona to composite insulator aging provide help, while spininess-plate electricity
Pole structure can guarantee the stability of corona discharge.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model；
Fig. 2 is the connection schematic diagram of the corona discharge circuit of one embodiment of the utility model；
Fig. 3 is the needle to board electrode schematic diagram of one embodiment of the utility model；
Fig. 4 is the electric leakage monitoring circuit connection schematic diagram of one embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the pin electrode of one embodiment of the utility model.
In figure, 1 is apparatus main body, and 2 be mobile discharge platform, and 21 be plate electrode, and 22 be pin electrode, and 23 is place position,
221 be regulating switch, and 3 be test cavity, and 4 be transparent slide plate, and 41 be locking switch, and 5 be current transformer, and 6 be controller, and 7 are
Display screen, 8 be sliding rail.
Specific embodiment
In order to be best understood from the utility model technology contents, a specific embodiment is provided below, and in conjunction with attached drawing to this reality
It is described further with novel.
Referring to Fig. 1 to 3, a kind of experimental rig of corona acceleration composite insulator aging provided by the utility model, including
Apparatus main body 1 is provided with the mobile discharge platform 2 for discharging composite insulator test piece in described device main body 1
And the sliding rail 8 mobile for mobile discharge platform 2, the movable type discharge platform 2 along sliding rail 8 in apparatus main body 1 before
After slide, it is described movable type discharge platform 2 on be provided with more than one electric discharge station, the electric discharge station includes for being grounded
Plate electrode 21 and more than two pin electrodes 22 for being electrically connected with high-voltage end, the pin electrode 22 is arranged in plate electrode
21 tops, form the placement position 23 placed for composite insulator test piece between the pin electrode 22 and plate electrode 21.
In the present embodiment, apparatus main body 1 is box typed structure, before mobile discharge platform 2 can be in apparatus main body 1
After move, when needing to carry out corona test, mobile discharge platform 2 is pulled out out of apparatus main body 1, and place position
Composite insulator test piece is put on 23, is then electrified, corona discharge can be realized, and accelerates the aging of composite insulator test piece,
After completing test, researcher can study the composite insulator test piece of aging, to probe into corona discharge to compound exhausted
The influence of edge aging.
While the stability in order to guarantee corona discharge, the present embodiment use the discharging model of multi-needle-to-plate electrode, Ke Yi
Stable corona discharge is realized under atmospheric conditions, does not need vacuum environment, continuous discharge can be realized in air, and electric discharge is equal
Even, power density is relatively low, it is possible to reduce the error generated in corona discharge process；It is provided with above each plate electrode 21
Several pin electrodes 22,22 arrangement mode of pin electrode can choose it is a variety of, such as array arrangement or annular array, triangle
Arrangement, hexagonal array etc..
Specifically, subsequent research for convenience, is provided with slide rheostat on each electric discharge station, variable resistance is slided
Device is arranged between high-voltage end and pin electrode 22, and one end of slide rheostat is electrically connected with high-voltage end, the other end and pin electrode 22
Electrical connection, the resistance value size by adjusting slide rheostat adjust the voltage swing being output on pin electrode 22, thus into
When row research, corona test can be carried out using different voltage swings on different electric discharge stations, be provided for research
It is convenient.
Referring to shown in Fig. 2, protective resistance R0 is additionally provided between slide rheostat and high-voltage end, for preventing voltage mistake
Pin electrode 22 is damaged greatly, the present embodiment further includes pressure regulator S, testing transformer T, voltmeter V and measurement resistance R1-
R8, the adjusting of high-voltage end input voltage is carried out by pressure regulator S, and testing transformer T tries high input voltage to pin electrode 22
It tests, the quantity for measuring resistance corresponds to electric discharge station.
Specifically, being provided with the regulating switch 221 for adjusting 22 height of pin electrode on the pin electrode 22.
The height of the adjustable pin electrode 22 of regulating switch 221 places position 23 by adjusting 22 height of pin electrode to change
Height size, due to that can be adjusted in synchronism all pin electrodes 22, make pin electrode 22 using multi-needle-to-plate electrode model
End be co-located in a plane, or the height by adjusting pin electrode 22 make the end of pin electrode 22 be not located at one it is flat
On face, and the end of all pin electrodes 22 is made to form three-dimension type structure, uneven electric discharge is realized with this, meets research process
In various demands.
And the adjusting of pin electrode 22 for convenience, pin electrode 22 use telescopic structure, regulating switch 221 is opened for knob
It closes, at the extending position of pin electrode 22, when regulating switch 221 screws, can not stretch pin electrode 22 makes its elongation, only
Have when unscrewing regulating switch 221, pin electrode 22 can just be extended.
Specifically, described device main body 1 further includes test cavity 3 and the transparent slide plate 4 for cover test chamber 3, it is described
Sliding rail 8 is arranged in test cavity 3, and the movable type discharge platform 2 slides back and forth in test cavity 3 along sliding rail.
When carrying out corona test, by the transparent slide plate 4 of movement, so that transparent slide plate 4 leaves at test cavity 3, so
Mobile discharge platform 2 is moved out of test cavity 3 afterwards, places position 23 so as to which composite insulator test piece to be placed in
On, facilitate the use of staff.
Sliding rail 8 can be set in the bottom of test cavity 3, also can be set on the side wall of test cavity 3, and specific design can be with
Depending on according to the actual situation.
Transparent slide plate 4 is made of transparent insulation material, and staff can observe internal discharge feelings by transparent slide plate 4
Condition, while the generation of electric shock accidents can also be prevented.
Specifically, being provided with outside described device main body 1 for the guide rail of transparent slide plate 4 sliding and for locking transparent cunning
The locking switch 41 of plate 4.
In order to facilitate the work of testing crew, transparent slide plate 4 is arranged to slide up and down structure, is arranged outside apparatus main body 1
There is guide rail, transparent slide plate 4 can be moved along guide rail, after sliding into transparent slide plate 4 above test cavity 3, be opened by locking
It closes 41 to fix transparent slide plate 4, so as to haul out mobile discharge platform 2 from test cavity 3.
Locking switch 41 uses fastening type structure, after transparent slide plate 4 up moves, is consolidated transparent slide plate 4 by buckling
It lives calmly, prevents transparent slide plate 4 when addition composite insulator test piece from falling.
Specifically, further including current transformer 5 for detecting leakage current between plate electrode 21 and ground terminal and being used for
To the controller 6 that the signal that current transformer 5 detects is handled, the controller 6 is connect with current transformer 5, controller
6, current transformer 5 is arranged in apparatus main body 1, and display screen 7 is then arranged on the outer surface of apparatus main body 1.
Current transformer 5 is provided with to detect leakage current, current transformer 5 is set between plate electrode 21 and ground terminal
Outside conducting wire, when current transformer 5 senses leakage current, controller 6 can be transmitted a signal to, controller 6 can to signal into
Row processing.
Specifically, be provided with the display screen 7 for showing drain conditions outside described device main body 1, the display screen 7 with
Controller 6 connects.
Display screen 7 can show whether leak electricity, and when current transformer 5 senses leakage current, controller 6 will leak
Power information is shown on display screen 7, to prompt staff to handle.
Due to there is multiple electric discharge stations, so corresponding current transformer 5 is also equipped with multiple, controller 6 receives difference
The signal that transmits of current transformer 5 corresponding electric leakage position can be shown on display screen 7 when drain conditions occur.
Specifically, controller adopts 6 with stm32 series monolithic to realize, as shown in figure 4, current transformer 4 senses leakage
When electric current, high level is sent to controller 6, after controller 6 receives high level, electric leakage information is shown on display screen 7.
Specifically, the height for placing position 23 is 5mm-10mm.
The height for placing position 23 is determined that 5mm-10mm is enough for market by the type of composite insulator test piece to be detected
Material used in upper overwhelming majority composite insulator is placed, it is preferred that the height for placing position 23 selects 7.5mm, specific height
It may be set according to actual conditions.
Referring to Figure 5, the pin electrode 22 is provided with taper discharge end, between the taper discharge end and horizontal plane
Angle is 60 degree.
A kind of corona of the utility model accelerates the experimental rig of composite insulator aging, using spininess-one-board electrode
Structure may be implemented to stablize, uniformly discharge, and composite insulator test piece is placed in after placing position 23, needle to board electrode 21 carries out electricity
Corona, accelerates the aging of composite insulator, to provide convenience for researcher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. the experimental rig that a kind of corona accelerates composite insulator aging, which is characterized in that including apparatus main body, described device master
It is provided with the mobile discharge platform for discharging composite insulator test piece in vivo and is moved for mobile discharge platform
Dynamic sliding rail, the movable type discharge platform slide back and forth in apparatus main body along sliding rail, on the movable type discharge platform
Be provided with more than one electric discharge station, the electric discharge station include for ground connection plate electrode and it is more than two for
The pin electrode of high-voltage end electrical connection, the pin electrode are arranged above plate electrode, are formed and are supplied between the pin electrode and plate electrode
The placement position that composite insulator test piece is placed.
2. the experimental rig that a kind of corona according to claim 1 accelerates composite insulator aging, which is characterized in that described
The regulating switch for metering needle electrode height is provided on pin electrode.
3. the experimental rig that a kind of corona according to claim 2 accelerates composite insulator aging, which is characterized in that described
Pin electrode is telescopic structure, and the regulating switch is knob switch, and the extending of pin electrode is arranged in the regulating switch
At position.
4. the experimental rig that a kind of corona according to claim 1 accelerates composite insulator aging, which is characterized in that described
Apparatus main body further includes test cavity and the transparent slide plate for cover test chamber, and the sliding rail is arranged in test cavity, described
Mobile discharge platform slides back and forth in test cavity along sliding rail.
5. the experimental rig that a kind of corona according to claim 4 accelerates composite insulator aging, which is characterized in that described
The guide rail for supplying transparent slide plate slides and the locking switch for locking transparent slide plate are provided with outside apparatus main body.
6. the experimental rig that a kind of corona according to claim 1 accelerates composite insulator aging, which is characterized in that also wrap
Include the signal for detecting the current transformer of leakage current between plate electrode and ground terminal and for detecting to current transformer
The controller handled, the current transformer are set in outside the conducting wire between plate electrode and ground terminal, the controller with
Current transformer connection.
7. the experimental rig that a kind of corona according to claim 6 accelerates composite insulator aging, which is characterized in that described
The display screen for showing drain conditions is provided with outside apparatus main body, the display screen is connect with controller.
8. the experimental rig that a kind of corona according to claim 1 accelerates composite insulator aging, which is characterized in that described
The height for placing position is 5mm-10mm.
9. the experimental rig that a kind of corona according to claim 1 accelerates composite insulator aging, which is characterized in that described
Pin electrode is provided with taper discharge end, and the angle between the taper discharge end and horizontal plane is 60 degree.
10. the experimental rig that a kind of corona according to claim 1 accelerates composite insulator aging, which is characterized in that institute
Stating electric discharge station further includes for adjusting the slide rheostat for being output to voltage swing on pin electrode, described slide rheostat one end
It is electrically connected with high-voltage end, the other end is electrically connected with pin electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258030.0U CN209728103U (en) | 2019-02-28 | 2019-02-28 | A kind of corona accelerates the experimental rig of composite insulator aging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258030.0U CN209728103U (en) | 2019-02-28 | 2019-02-28 | A kind of corona accelerates the experimental rig of composite insulator aging |
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| CN209728103U true CN209728103U (en) | 2019-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112419850A (en) * | 2020-12-14 | 2021-02-26 | 海南电网有限责任公司三亚供电局 | Detection signal simulation teaching experiment device |
| CN112433123A (en) * | 2020-11-25 | 2021-03-02 | 云南电网有限责任公司电力科学研究院 | Terminal electrical performance testing device and method |
-
2019
- 2019-02-28 CN CN201920258030.0U patent/CN209728103U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433123A (en) * | 2020-11-25 | 2021-03-02 | 云南电网有限责任公司电力科学研究院 | Terminal electrical performance testing device and method |
| CN112433123B (en) * | 2020-11-25 | 2022-08-09 | 云南电网有限责任公司电力科学研究院 | Terminal electrical performance testing device and method |
| CN112419850A (en) * | 2020-12-14 | 2021-02-26 | 海南电网有限责任公司三亚供电局 | Detection signal simulation teaching experiment device |
| CN112419850B (en) * | 2020-12-14 | 2022-12-02 | 海南电网有限责任公司三亚供电局 | Detection signal simulation teaching experiment device |
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