CN207964894U - A kind of zinc oxide resistance sheet capacitance test special fixture - Google Patents
A kind of zinc oxide resistance sheet capacitance test special fixture Download PDFInfo
- Publication number
- CN207964894U CN207964894U CN201820372209.4U CN201820372209U CN207964894U CN 207964894 U CN207964894 U CN 207964894U CN 201820372209 U CN201820372209 U CN 201820372209U CN 207964894 U CN207964894 U CN 207964894U
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- copper coin
- zinc oxide
- resistance sheet
- oxide resistance
- special fixture
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Abstract
The utility model is related to detection technique fields, relate more specifically to a kind of zinc oxide resistance sheet capacitance test special fixture.A kind of zinc oxide resistance sheet capacitance test special fixture, including the first copper coin, the second copper coin and several insulation blanket studs for being arranged in the first copper coin and the second copper coin, it is placed with zinc oxide resistance sheet between first copper coin and second copper coin, the first fastening nut for the second copper coin to be pressed on to ZnO resistors on piece is provided on insulation blanket stud.The utility model is simple in structure, by the way that zinc oxide resistance sheet is placed on the first copper coin, then the second copper coin is pressed in ZnO resistors on piece, the first fastening nut adjusted on insulation blanket stud to be in close contact between zinc oxide resistance sheet and the first copper coin and the second copper coin, the high-voltage line of dielectric loss instrument and signal wire are clipped in respectively on the first copper coin and the second copper coin, the capacitance purpose for realizing test zinc oxide resistance sheet solves the problems, such as not judging which specific piece zinc oxide resistance sheet makes moist or deteriorates.
Description
Technical field
The utility model is related to detection technique fields, and it is special to relate more specifically to a kind of zinc oxide resistance sheet capacitance test
Fixture.
Background technology
Zinc-Oxide Arrester is formed by stacking by multi-disc zinc oxide resistance sheet, is obtained extensively in Hyper-Voltage of Power Systems protection
Using its performance and operation conditions are directly related to the safe and stable operation of power grid.Due to originals such as product quality, running environment
There is the phenomenon that making moist, aging and are inevitable in operation in cause, Zinc-Oxide Arrester, in accident analyzing process often
By judge whether to be led to because Zinc-Oxide Arrester resistor disc makes moist or deteriorates.
When being measured at present to Zinc-Oxide Arrester using full-automatic dielectric loss instrument, need dielectric loss instrument high-voltage line and signal
Line is connect with the sprayed-on Al layer of upper and lower two bottom surfaces respectively, and dielectric loss instrument high-voltage line and signal wire are by crocodile clip and product to be tested
Connection, the sprayed-on Al layer of Zinc-Oxide Arrester resistor disc do not have condition of contact.Therefore, single zinc oxide resistance sheet capacitance can not
It is accurate to measure, it can only can not be judged by measuring the capacitance of whole branch arrester to determine whether making moist or deteriorating at this stage
Which piece zinc oxide resistance sheet makes moist or deteriorates.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of zinc oxide resistance sheet capacitance test
Special fixture.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of zinc oxide resistance sheet capacitance
Test special fixture, including the first copper coin, the second copper coin and several insulation for being arranged in first copper coin and the second copper coin
Screw rod is placed with zinc oxide resistance sheet, is arranged on the insulation blanket stud useful between first copper coin and second copper coin
In the first fastening nut that the second copper coin is pressed on to ZnO resistors on piece.
In the technical scheme, by the way that zinc oxide resistance sheet to be placed on the first copper coin, then the second copper coin is pressed in
ZnO resistors on piece, the first fastening nut adjusted on insulation blanket stud make zinc oxide resistance sheet and the first copper coin and second
It is in close contact between copper coin, the high-voltage line of dielectric loss instrument and signal wire is clipped in respectively on the first copper coin and the second copper coin, realized
The capacitance purpose for testing zinc oxide resistance sheet, solving can not judge which specific piece zinc oxide resistance sheet makes moist or deteriorates
The problem of.
Preferably, several through-holes are evenly arranged on the corresponding position of first copper coin and the second copper coin.Through-hole
Setting is for ease of insulation blanket stud to be arranged in the first copper coin and the second copper coin.
Preferably, the number of openings is 6.
Preferably, the insulation blanket stud is arranged among the through-hole.
Preferably, the second fastening for fixing insulation blanket stud with first copper coin is provided on the insulation blanket stud
Nut.The setting of second fastening nut prevents the first copper coin and insulation convenient for insulation blanket stud and the first copper coin are fixed together
Position between screw rod relatively moves.
Preferably, it is both provided with wire clamp ear on first copper coin and second copper coin.The setting of wire clamp ear is convenient for
The high-voltage line of dielectric loss instrument and the wire clamp of signal wire are clamped on the first copper coin and the second copper coin.
Compared with prior art, the utility model has the beneficial effects that：
The utility model is that a kind of zinc oxide resistance sheet capacitance tests Special wire-clip, passes through the first copper coin, the second copper coin
And it is threaded through the setting of the insulation blanket stud on the first copper coin and the second copper coin, convenient for zinc oxide resistance sheet is mounted on the
Between one copper coin and the second copper coin, the setting of screw insulator bar is convenient for according on the specification of zinc oxide resistance sheet adjusting insulation blanket stud
The first fastening nut, realize the measurement to the capacitance of the zinc oxide resistance sheet of different size, solve can not judge it is specific
The problem of which piece zinc oxide resistance sheet makes moist or deteriorates；The second copper coin is pressed on zinc oxide electricity by the first fastening nut
On piece is hindered, zinc oxide resistance sheet is pressed on the first copper coin, zinc oxide resistance sheet and the first copper coin and the second bronze medal are realized
Good electric conductivity between plate, it is ensured that in the accuracy tested zinc oxide resistance sheet capacitance；By on insulation blanket stud
The second fastening nut being arranged can occur to avoid during mobile special fixture between insulation blanket stud and the first copper coin
Opposite sliding；The wire clamp ear being respectively set on first copper coin and the second copper coin is convenient for the line of the high-voltage line and signal wire of dielectric loss instrument
It is clamped on the first copper coin and the second copper coin.
Description of the drawings
Fig. 1 is the front view that a kind of zinc oxide resistance sheet capacitance of the utility model tests special fixture；
A kind of vertical view of zinc oxide resistance sheet capacitance test special fixture of the positions Fig. 2 the utility model.
Specific implementation mode
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In novel description, it is to be understood that if there is the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" to be
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
The term for stating position relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
Fig. 1 to Fig. 2 is the first embodiment that a kind of zinc oxide resistance sheet capacitance of the utility model tests special fixture, packet
Include the first copper coin 1, the second copper coin 2 and several insulation blanket studs 3 for being arranged in the first copper coin 1 and the second copper coin 2, the first copper coin 1
It is placed with zinc oxide resistance sheet 4 between the second copper coin 2, is provided on insulation blanket stud 3 for the second copper coin 2 to be pressed on oxidation
The first fastening nut 5 on zinc resistor disc 4.
In the present embodiment, the shape of the first copper coin 1 and the second copper coin 2 is circle；In addition to this it is possible to be ellipse
The other shapes such as circle, rectangle.
Wherein, several through-holes are evenly arranged on 2 corresponding position of the first copper coin 1 and the second copper coin.
In addition, number of openings is 6.
Wherein, insulation blanket stud 3 is arranged among through-hole.
In addition, being provided with the second fastening nut 6 for fixing insulation blanket stud 3 and the first copper coin 1 on insulation blanket stud 3.
Wherein, it is both provided with wire clamp ear 7 on the first copper coin 1 and the second copper coin 2.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (6)
1. a kind of zinc oxide resistance sheet capacitance tests special fixture, it is characterised in that：Including the first copper coin（1）, the second copper coin
（2）And it is arranged in first copper coin（1）With the second copper coin（2）Several insulation blanket studs（3）, first copper coin（1）With
Second copper coin（2）Between be placed with zinc oxide resistance sheet（4）, the insulation blanket stud（3）On be provided with for by the second bronze medal
Plate（2）It is pressed on zinc oxide resistance sheet（4）On the first fastening nut（5）.
2. zinc oxide resistance sheet capacitance according to claim 1 tests special fixture, it is characterised in that：Described first
Copper coin（1）With the second copper coin（2）Several through-holes are evenly arranged on corresponding position.
3. zinc oxide resistance sheet capacitance according to claim 2 tests special fixture, it is characterised in that：The through-hole
Quantity is 6.
4. zinc oxide resistance sheet capacitance according to claim 3 tests special fixture, it is characterised in that：The insulation
Screw rod（3）It is arranged among the through-hole.
5. zinc oxide resistance sheet capacitance according to claim 4 tests special fixture, it is characterised in that：The insulation
Screw rod（3）On be provided with for fixing insulation blanket stud（3）With first copper coin（1）The second fastening nut（6）.
6. zinc oxide resistance sheet capacitance according to any one of claims 1 to 5 tests special fixture, it is characterised in that：
First copper coin（1）With second copper coin（2）On be both provided with wire clamp ear（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372209.4U CN207964894U (en) | 2018-03-19 | 2018-03-19 | A kind of zinc oxide resistance sheet capacitance test special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372209.4U CN207964894U (en) | 2018-03-19 | 2018-03-19 | A kind of zinc oxide resistance sheet capacitance test special fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964894U true CN207964894U (en) | 2018-10-12 |
Family
ID=63725105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820372209.4U Active CN207964894U (en) | 2018-03-19 | 2018-03-19 | A kind of zinc oxide resistance sheet capacitance test special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207964894U (en) |
-
2018
- 2018-03-19 CN CN201820372209.4U patent/CN207964894U/en active Active
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