CN208922891U - A kind of current transformer damping Shatter-resistant device - Google Patents
A kind of current transformer damping Shatter-resistant device Download PDFInfo
- Publication number
- CN208922891U CN208922891U CN201822062762.0U CN201822062762U CN208922891U CN 208922891 U CN208922891 U CN 208922891U CN 201822062762 U CN201822062762 U CN 201822062762U CN 208922891 U CN208922891 U CN 208922891U
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- Prior art keywords
- current transformer
- shatter
- resistant
- wall
- transformer body
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- 238000013016 damping Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000011229 interlayer Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses a kind of current transformer damping Shatter-resistant devices, including current transformer body, insulation sleeve is provided on the outer wall of the current transformer body, the current transformer body is internally provided with primary side threading hole, lead sealing nut is provided with above the current transformer body, the two sides of the lead sealing nut are provided with secondary side threading hole, the two sides of the current transformer body are provided with protective shell, the side of the protective shell is provided with foot prop, one end of the foot prop is provided with shatter-resistant foot pad, rubber layer is provided on the outer wall of the shatter-resistant foot pad, the rubber layer is internally provided with buffer air bag, the upper surface of the shatter-resistant foot pad is provided with sealing steel plate, the upper surface of the sealing steel plate is provided with external screw joint.The utility model installs foot prop by the surrounding in mutual inductor, when mutual inductor falls to ground, ground can be preferentially touched by foot prop and supports entire mutual inductor, have the function that damping shatter-resistant.
Description
Technical field
The utility model relates to current transformer technical field, specially a kind of current transformer damping Shatter-resistant device.
Background technique
Mutual inductor is also known as instrument transformer, is the general designation of current transformer and voltage transformer.High voltage can be become
Low-voltage, high current become low current, for measuring or protecting system.Its function mainly by high voltage or high current in proportion
Be transformed into normal low voltage or standard small electric current, so as to realize measuring instrumentss, protection equipment and automatic control equipment standardization,
Miniaturization.Mutual inductor may further be used to separate high-voltage system simultaneously, to guarantee the safety of the person and equipment, in the line of power consumption
Lu Zhong, electric current difference is from several peaces to several Wan An, and voltage phase difference is from several volts to millions of volts.Current Voltage is relatively high in route,
As directly measurement is breakneck.To need to be converted to the unified Current Voltage of comparison convenient for secondary meter measurement, using mutual
Sensor plays the role of variable flow and variable pressure and electrical isolation.Display instrument is largely the current voltmeter of pointer-type, so electric current
Most of secondary current of mutual inductor is ampere grade.
But existing current transformer is also lacking in shatter-resistant aspect of performance；Therefore, it is unsatisfactory for existing demand, it is right
We have proposed a kind of current transformer damping Shatter-resistant devices for this.
Utility model content
The purpose of this utility model is to provide a kind of current transformer damping Shatter-resistant devices, to solve above-mentioned background skill
The existing current transformer proposed in art is the problem of shatter-resistant aspect of performance is also lacking.
To achieve the above object, the utility model provides the following technical solutions: a kind of current transformer damping shatter-resistant dress
It sets, including current transformer body, insulation sleeve, the inside setting of the current transformer body is provided on the outer wall of the current transformer body
Once side threading hole is provided with lead sealing nut above the current transformer body, and the two sides of the lead sealing nut are provided with
Secondary side threading hole, the two sides of the current transformer body are provided with protective shell, and the side of the protective shell is provided with foot prop, institute
The one end for stating foot prop is provided with shatter-resistant foot pad, and rubber layer, the inside of the rubber layer are provided on the outer wall of the shatter-resistant foot pad
It is provided with buffer air bag, the upper surface of the shatter-resistant foot pad is provided with sealing steel plate, and the upper surface of the sealing steel plate is provided with
External screw joint is provided with bottom plate below the current transformer body, and there are two bottom plate settings, sets between described two bottom plates
It is equipped with interlayer, the interlayer is internally provided with fixing seat, and fixing seat is arranged on the side inner wall of interlayer, the fixing seat
Side be provided with positioning plate, the fixing seat is fixedly connected by spring with positioning plate, on the side outer wall of the positioning plate
It is provided with mandril, and mandril is located at the inside of spring, the other side outer wall of the positioning plate passes through the other side of bolt and interlayer
Inner wall is fixedly connected.
Preferably, the protective shell is connect by screw with base thread.
Preferably, the shatter-resistant foot pad is fixedly connected by external screw joint with foot prop.
Preferably, there are four the foot prop settings, and adjacent foot prop is symmetrical about the vertical center line of current transformer body.
Preferably, the outer wall of one end of the foot prop and protective shell is welded to connect.
Preferably, the spring is provided with several, and adjacent springs are located in same level.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model by mutual inductor surrounding be arranged foot prop, and foot prop setting there are four, when mutual inductor is fallen to
When ground, any two in four foot props have maximum probability may preferentially with ground face contact, to support entire mutual inductor,
And one end of foot prop is provided with shatter-resistant foot pad, shatter-resistant foot pad is internally provided with buffer air bag, and air is utilized in buffer air bag
Compressibility realizes elastic reaction, achievees the effect that shatter-resistant.
2, by the sandwich establishment in the bottom plate of current transformer body, and interlayer is internally provided with spring, when bottom plate is preferential
When landing, the spring in bottom plate can play good damping effect, and spring is internally provided with mandril, can prevent spring
Excessive deformation increases the service life of spring.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the shatter-resistant foot pad schematic diagram of internal structure of the utility model；
Fig. 3 is partial enlarged view at the A of the utility model；
In figure: 1, current transformer body；2, lead sealing nut；3, insulation sleeve；4, primary side threading hole；5, secondary side threading hole；
6, protective shell；7, foot prop；8, shatter-resistant foot pad；801, rubber layer；802, buffer air bag；803, sealing steel plate；804, external screw thread connects
Mouthful；9, bottom plate；10, spring；101, fixing seat；102, mandril；103, positioning plate；104, bolt；105, interlayer；11, screw.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of current transformer damping Shatter-resistant device,
Including current transformer body 1, insulation sleeve 3 is provided on the outer wall of current transformer body 1, insulation sleeve 3 plays the effect of insulation, mutual inductance
Device main body 1 is internally provided with primary side threading hole 4, and the top of current transformer body 1 is provided with lead sealing nut 2, lead sealing nut 2
Two sides are provided with secondary side threading hole 5, and the two sides of current transformer body 1 are provided with protective shell 6, the side setting of protective shell 6
There is foot prop 7, foot prop 7 can play the effect of support shatter-resistant when mutual inductor is fallen, and one end of foot prop 7 is provided with shatter-resistant foot pad 8,
Shatter-resistant foot pad 8 realizes elastic reaction using the compressibility of air, and rubber layer 801, rubber are provided on the outer wall of shatter-resistant foot pad 8
Glue-line 801 is internally provided with buffer air bag 802, and the upper surface of shatter-resistant foot pad 8 is provided with sealing steel plate 803, sealing steel plate 803
Upper surface be provided with external screw joint 804, the lower section of current transformer body 1 is provided with bottom plate 9, and there are two the settings of bottom plate 9, two
Interlayer 105 is provided between a bottom plate 9, interlayer 105 is internally provided with fixing seat 101, and fixing seat 101 is arranged in interlayer
On 105 side inner wall, the side of fixing seat 101 is provided with positioning plate 103, and fixing seat 101 passes through spring 10 and positioning plate 103
It is fixedly connected, spring 10 plays the effect of damping, and mandril 102, and mandril 102 are provided on the side outer wall of positioning plate 103
Positioned at the inside of spring 10, the other side outer wall of positioning plate 103 connects by the way that the other side inner wall of bolt 104 and interlayer 105 is fixed
It connects.
Further, protective shell 6 is threadedly coupled by screw 11 with bottom plate 9, and screw 11 plays fixed protective shell 6 and bottom plate
9 effect is attached by screw 11, and structure is simple, connection is reliable, is convenient to mount and dismount.
Further, shatter-resistant foot pad 8 is fixedly connected by external screw joint 804 with foot prop 7, the inside setting of shatter-resistant foot pad 8
There is buffer air bag 802, buffer air bag 802 realizes elastic reaction using the compressibility of air, reaches buffering effect, by outer
Hickey 804 is connect with foot prop 7, easy for installation and fixed.
Further, there are four the settings of foot prop 7, and adjacent foot prop 7 is symmetrical about the vertical center line of current transformer body 1, when
When mutual inductor falls to ground, any two foot prop 7 in four foot props 7 have maximum probability may preferentially with ground face contact, from
And entire mutual inductor is supported, have the function that shatter-resistant.
Further, the outer wall of one end of foot prop 7 and protective shell 6 is welded to connect, and foot prop 7 passes through protective shell 6 and mutual inductor master
Body 1 is fixedly connected, and welded connecting can make foot prop 7 and the connection of protective shell 6 more firm.
Further, spring 10 is provided with several, and adjacent springs 10 are located in same level, and the quantity of spring 10 can
It is adjusted according to the size of current transformer body 1, adjacent springs 10 are located in same level, and collective effect reaches good
Damping effect.
Working principle: it in use, being fixedly connected with protective shell 6 with the bottom plate 9 of current transformer body 1 by screw 11, protects
Foot prop 7 is installed, and there are four the settings of foot prop 7 on the outer wall of shell 6, when mutual inductor falls to ground, appointing in four foot props 7
Two foot props 7 of anticipating have maximum probability may preferentially with ground face contact, to support entire mutual inductor, and one end of foot prop 7 is set
It is equipped with shatter-resistant foot pad 8, shatter-resistant foot pad 8 is internally provided with buffer air bag 802, and buffer air bag 802 utilizes the compressibility of air
It realizes elastic reaction, achievees the effect that shatter-resistant, the bottom plate 9 of current transformer body 1 is internally provided with spring 10, preferential in bottom plate
Spring 10 can play good damping effect when ground.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of current transformer damping Shatter-resistant device, including current transformer body (1), it is characterised in that: the mutual inductor master
It is provided on the outer wall of body (1) insulation sleeve (3), the current transformer body (1) is internally provided with primary side threading hole (4), institute
It states and is provided with above current transformer body (1) lead sealing nut (2), the two sides of the lead sealing nut (2) are provided with secondary side and wear
The two sides of string holes (5), the current transformer body (1) are provided with protective shell (6), and the side of the protective shell (6) is provided with foot
One end of frame (7), the foot prop (7) is provided with shatter-resistant foot pad (8), is provided with rubber layer on the outer wall of the shatter-resistant foot pad (8)
(801), the rubber layer (801) is internally provided with buffer air bag (802), and the upper surface of the shatter-resistant foot pad (8) is provided with
The upper surface of sealing steel plate (803), the sealing steel plate (803) is provided with external screw joint (804), the current transformer body
(1) it is provided with below bottom plate (9), and there are two bottom plate (9) settings, is provided with interlayer between described two bottom plates (9)
(105), the interlayer (105) is internally provided with fixing seat (101), and fixing seat (101) setting is in the side of interlayer (105)
On inner wall, the side of the fixing seat (101) is provided with positioning plate (103), and it is spring (10) and fixed that the fixing seat (101) passes through
Position plate (103) is fixedly connected, and is provided with mandril (102) on the side outer wall of the positioning plate (103), and mandril (102) is located at
The other side outer wall of the inside of spring (10), the positioning plate (103) passes through in the other side of bolt (104) and interlayer (105)
Wall is fixedly connected.
2. a kind of current transformer damping Shatter-resistant device according to claim 1, it is characterised in that: the protective shell
(6) it is threadedly coupled by screw (11) with bottom plate (9).
3. a kind of current transformer damping Shatter-resistant device according to claim 1, it is characterised in that: the shatter-resistant foot pad
(8) it is fixedly connected by external screw joint (804) with foot prop (7).
4. a kind of current transformer damping Shatter-resistant device according to claim 1, it is characterised in that: the foot prop (7)
There are four settings, and adjacent foot prop (7) is symmetrical about the vertical center line of current transformer body (1).
5. a kind of current transformer damping Shatter-resistant device according to claim 1, it is characterised in that: the foot prop (7)
One end and protective shell (6) outer wall be welded to connect.
6. a kind of current transformer damping Shatter-resistant device according to claim 1, it is characterised in that: the spring (10)
Several are provided with, and adjacent springs (10) are located in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062762.0U CN208922891U (en) | 2018-12-10 | 2018-12-10 | A kind of current transformer damping Shatter-resistant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062762.0U CN208922891U (en) | 2018-12-10 | 2018-12-10 | A kind of current transformer damping Shatter-resistant device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208922891U true CN208922891U (en) | 2019-05-31 |
Family
ID=66712753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822062762.0U Expired - Fee Related CN208922891U (en) | 2018-12-10 | 2018-12-10 | A kind of current transformer damping Shatter-resistant device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208922891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112712964A (en) * | 2020-12-18 | 2021-04-27 | 国网辽宁省电力有限公司 | High-frequency current transformer |
-
2018
- 2018-12-10 CN CN201822062762.0U patent/CN208922891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112712964A (en) * | 2020-12-18 | 2021-04-27 | 国网辽宁省电力有限公司 | High-frequency current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 |