CN207352151U - Voltage transformer test fixture - Google Patents
Voltage transformer test fixture Download PDFInfo
- Publication number
- CN207352151U CN207352151U CN201721358889.6U CN201721358889U CN207352151U CN 207352151 U CN207352151 U CN 207352151U CN 201721358889 U CN201721358889 U CN 201721358889U CN 207352151 U CN207352151 U CN 207352151U
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- China
- Prior art keywords
- fixed plate
- voltage transformer
- contact
- conductive
- test fixture
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Abstract
It the utility model is related to a kind of voltage transformer test fixture, including fixed plate, supporting leg and resilient contact made of insulating materials, fixed plate bottom both ends are fixed with the supporting leg, fixed plate and supporting leg form portal trestle, the mounting hole for installing resilient contact is provided with the fixed plate, the mounting hole runs through the upper and lower surface of the fixed plate, the resilient contact is provided with it, resilient contact top is less than the fixed plate upper surface, its lower end is connected by conducting wire with the test cap of voltage transformer tester.Voltage transformer is tested using the utility model voltage transformer test fixture, tester only needs to hold four resilient contacts of the product in four stitch alignment test jobs with hand, easy to operate.Compression spring is provided with and the contact of above-mentioned voltage transformer test fixture is resilient contact, in it, the reliability of contact is ensure that, improves the accuracy of test structure.
Description
Technical field
It the utility model is related to a kind of test fixture, more particularly to a kind of test work for test voltage mutual inductor finished product
Dress.
Background technology
Voltage transformer is the instrument of the voltage on conversion line.The purpose of voltage transformer voltage of transformation, mainly
It is for powering to measuring instrumentss and protective relaying device, for measuring the voltage of circuit, power and electric energy, or for online
Expensive equipment, motor and transformation when road is broken down in protection circuit, its operation principle is similar with transformer principle, but the two
Purposes is different.Voltage transformer is the principle by mutual inductance, unified voltage in different size on circuit in different ratios
Become the same voltage, so with a kind of electric meter of voltage specification with regard to the measurable voltage for being up to tens of thousands of volts, and electrically
Instrument side and test line are dielectrically separated from, and ensure that the safety of operating personnel and measuring instrument.
Test voltage mutual inductor is tested by the way of clip clamps stitch at present, this test mode test speed
Degree is slow, efficiency is low, and uses clip for a long time, and clip is fragile, and difficulty of test is big and tester is easily tired, so as to make
It is inaccurate into test structure.
Utility model content
The utility model is in view of the shortcomings of the prior art and defect, there is provided a kind of voltage transformer test fixture, is adopted
Easily voltage transformer can be tested with above-mentioned test fixture, carried the testing efficiency of voltage transformer.
To achieve the above object, technical solution is used by the utility model：A kind of voltage transformer test fixture, bag
Fixed plate, supporting leg and resilient contact made of insulating materials are included, fixed plate bottom both ends are fixed with the supporting leg, fixed
Plate and supporting leg form portal trestle, and the mounting hole for installing resilient contact is provided with the fixed plate, and the mounting hole runs through
The upper and lower surface of fixed plate, is provided with the resilient contact in it, and resilient contact top is less than the fixed plate upper surface,
Its lower end is connected by conducting wire with the test cap of voltage transformer tester.
In said structure, the resilient contact includes conductive contact, conductive casings and compression spring, described conductive tactile
Head lower end is surrounded by outside flanging, it is sleeved in the conductive casings, the flanging of the conductive contact lower end and institute
The in-flanges clamping of conductive casings upper end is stated, it is maintained in the conductive casings by the in-flanges, conductive contact top surface
Less than the upper surface of fixed plate, conductive casings lower end is connected by conducting wire with the test cap of voltage transformer tester, described
Compression spring is arranged in the conductive casings and is in compressive state, and the upper end top pressure is in conductive contact top inner wall
On, lower end is provided on the spring retaining plate in conductive casings.
In said structure, the spring retaining plate is fixed on conductive casings inner wall, which is provided with compression spring base.
In said structure, the quantity of the resilient contact is four.
The beneficial effects of the utility model are：The utility model voltage transformer test fixture is simple in structure, compact, design
Rationally, easy to use, low manufacture cost, surveys voltage transformer using the utility model voltage transformer test fixture
Examination, tester only need to hold four resilient contacts of the product in four stitch alignment test jobs, operation with hand
It is convenient.Compression spring is provided with and the contact of above-mentioned voltage transformer test fixture is resilient contact, in it, ensure that contact
Reliability, improves the accuracy of test structure.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model voltage transformer test fixture；
Fig. 2 is the schematic cross-section of A-A in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of B in Fig. 2.
The meaning that figure label represents as：1st, supporting leg, 2, fixed plate, 3, resilient contact, 4, conducting wire, 5, mounting hole, wherein,
301st, conductive contact, 302, compression spring, 303, conductive casings, 304, spring retaining plate.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail the utility model：
Embodiment 1：Referring to Fig. 1 to Fig. 3, a kind of voltage transformer test fixture, including fixed made of insulating materials
Plate 2, supporting leg 1 and resilient contact 3,2 bottom both ends of fixed plate are fixed with supporting leg 1, and fixed plate 2 and supporting leg 1 form portal trestle, Gu
The mounting hole 5 for installing resilient contact is provided with fixed board 2, mounting hole 5 runs through 2 upper and lower surface of fixed plate, is provided with it
Resilient contact 3,3 top of resilient contact are less than 2 upper surface of fixed plate, its lower end passes through conducting wire 4 and voltage transformer tester
Test cap connects.The quantity of resilient contact 3 is four.3 top of resilient contact is less than 2 upper surface of fixed plate, mounting hole 5 and bullet
Property 3 top of contact forms positioning groove, is provided a convenient for tester.
As shown in figure 3, resilient contact includes conductive contact 301, conductive casings 303 and compression spring 302, conductive contact
301 lower ends are surrounded by outside flanging, it is sleeved in conductive casings 303, the flanging of 301 lower end of conductive contact with
The in-flanges clamping of 303 upper end of conductive casings, it is maintained in conductive casings 303 by in-flanges, and in guide sleeve casing 303
Freely slidable, 301 top surface of conductive contact is less than the upper surface of fixed plate 2, and 303 lower end of conductive casings passes through conducting wire 4 and voltage
The test cap connection of transformer test instrument, compression spring 302 are arranged in conductive casings 303 and are in compressive state, thereon
Holding top pressure, lower end is provided on the spring retaining plate 304 in conductive casings 303 on 301 top inner wall of conductive contact.Spring
Fixed plate 304 is fixed on 303 inner wall of conductive casings, which is provided with compression spring base.The cross section of conductive casings 303 is annulus
Shape, the top surface of conductive contact 301 is upward sphere, either stitch is positioned for plane or for convenience, in conductive contact
Top surface 301 opens up locating slot.
The application method of the utility model voltage transformer test fixture：During test voltage mutual inductor finished product, tester
Voltage transformer finished product is held with hand, the top surface of conductive contact 301 is directed at four stitch, it is easy to operate, it is easy to use.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model implement and from
The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that the methodology of the utility model and technical solution carry out
Into, or it is not improved the design of the utility model and technical solution are directly applied into other occasions, in the utility model
Protection domain within.
Claims (4)
1. a kind of voltage transformer test fixture, it is characterised in that including fixed plate, supporting leg and elasticity made of insulating materials
Contact, fixed plate bottom both ends are fixed with the supporting leg, and fixed plate and supporting leg form portal trestle, set in the fixed plate
The mounting hole of installation resilient contact is useful for, the mounting hole runs through the upper and lower surface of the fixed plate, is provided with the bullet in it
Property contact, resilient contact top is less than the fixed plate upper surface, its lower end passes through the survey of conducting wire and voltage transformer tester
Try termination connection.
2. voltage transformer test fixture according to claim 1, it is characterised in that the resilient contact includes conduction
Contact, conductive casings and compression spring, the conductive contact lower end are surrounded by outside flanging, it is sleeved on the conduction
In casing, the flanging of the conductive contact lower end and the in-flanges of the conductive casings upper end are clamped, it passes through the in-flanges
It is maintained in the conductive casings, conductive contact top surface is less than the upper surface of fixed plate, and conductive casings lower end passes through conducting wire and electricity
The test cap connection of transformer test instrument is pressed, the compression spring is arranged in the conductive casings and is in compressive state,
On the inner wall of the conductive contact top, lower end is provided on the spring retaining plate in conductive casings the upper end top pressure.
3. voltage transformer test fixture according to claim 2, it is characterised in that the spring retaining plate is fixed on
On conductive casings inner wall, compression spring base which is provided with.
4. voltage transformer test fixture according to claim 1, it is characterised in that the quantity of the resilient contact is
Four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721358889.6U CN207352151U (en) | 2017-10-20 | 2017-10-20 | Voltage transformer test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721358889.6U CN207352151U (en) | 2017-10-20 | 2017-10-20 | Voltage transformer test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207352151U true CN207352151U (en) | 2018-05-11 |
Family
ID=62355107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721358889.6U Active CN207352151U (en) | 2017-10-20 | 2017-10-20 | Voltage transformer test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207352151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095746A (en) * | 2019-05-27 | 2019-08-06 | 格力电器（武汉）有限公司 | A kind of current transformer output voltage device for quick testing |
-
2017
- 2017-10-20 CN CN201721358889.6U patent/CN207352151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095746A (en) * | 2019-05-27 | 2019-08-06 | 格力电器（武汉）有限公司 | A kind of current transformer output voltage device for quick testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Voltage transformer test tooling Effective date of registration: 20210805 Granted publication date: 20180511 Pledgee: Henan Boao Investment Guarantee Co.,Ltd. Pledgor: ZHENGZHOU KAIRUIDE NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2021980007323 |