CN208093351U - A kind of current transformer - Google Patents
A kind of current transformer Download PDFInfo
- Publication number
- CN208093351U CN208093351U CN201820591251.5U CN201820591251U CN208093351U CN 208093351 U CN208093351 U CN 208093351U CN 201820591251 U CN201820591251 U CN 201820591251U CN 208093351 U CN208093351 U CN 208093351U
- Authority
- CN
- China
- Prior art keywords
- iron core
- current transformer
- steel bar
- porcelain bushing
- screw hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of current transformers,Including iron core,The top of the iron core is wound with primary coil,The first plastic protection casing is cased on the outside of the primary coil,The lower part of the iron core is wound with secondary coil,The second plastic protection casing is cased on the outside of the secondary coil,Cylindrical plastic shell is fixedly connected on the left of the iron core,The cylindrical plastic shell is internally provided with capacitance sensor,The upper left-hand of the iron core is equipped with the first porcelain bushing shell,The upper right of the iron core is equipped with the second porcelain bushing shell,The top of first porcelain bushing shell and the second porcelain bushing shell is equipped with high-voltage connection terminal,The lower left side of the iron core is fixedly connected with the first connection steel bar,The utility model is installed together by above-mentioned structure current transformer main body and capacitance sensor and is not take up space,Bottom plate is split type,Installation can be adjusted by replacing bottom plate,Terminal plate is detachable pattern,The mode of connection can be replaced by replacing terminal plate.
Description
Technical field
The utility model is related to transformer technical field, specially a kind of current transformer.
Background technology
Existing current transformer and sensor are all separate components, and two components use on same electrical equipment
When, respective portion needs corresponding installation site and space, and the space that the two is occupied is larger, and in addition existing current transformer is to pour
Formula is built, pedestal is fixed, can not be adjusted according to mounting hole position, and terminal plate is also fixed, it has not been convenient to it replaces,
For this purpose, we release a kind of current transformer.
Utility model content
The purpose of this utility model is to provide a kind of current transformers, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions：A kind of current transformer, including iron core, institute
The top for stating iron core is wound with primary coil, is cased with the first plastic protection casing on the outside of the primary coil, under the iron core
Portion is wound with secondary coil, and the second plastic protection casing is cased on the outside of the secondary coil, is fixedly connected on the left of the iron core
There are cylindrical plastic shell, the cylindrical plastic shell to be internally provided with capacitance sensor, the upper left-hand of the iron core is set
Have the first porcelain bushing shell, the upper right of the iron core is equipped with the second porcelain bushing shell, first porcelain bushing shell and the second porcelain bushing shell it is upper
Portion is equipped with high-voltage connection terminal, and the lower left side of the iron core is fixedly connected with the first connection steel bar, the lower right side of the iron core
It is fixedly connected with the second connection steel bar, the downside that the first connection steel bar and second connect steel bar is equipped with bottom plate, the bottom plate
It is equipped with the first screw hole and the second screw hole, the outside of the iron core has poured epoxy package, second plastic protection casing
Front be bolted with terminal plate.
Preferably, the bottom plate is equipped with circular through hole, and the quantity of the circular through hole is four, the circular through hole
A diameter of one centimetre.
Preferably, the quantity of first screw hole is two, and the quantity of second screw hole is two.
Preferably, the first connection steel bar is bolted with the first screw hole, the second connection steel bar and second
Screw hole is bolted.
Preferably, the rear portion of the capacitance sensor is located at the inside of epoxy package.
Preferably, connecting terminal there are four being set on the terminal plate, the front of the terminal plate is hinged with transparent plastic cover.
Compared with prior art, the utility model has the beneficial effects that：The utility model realized by above-mentioned structure,
Current transformer main body and capacitance sensor, which are installed together, is not take up space, and bottom plate is split type, can pass through replacement bottom plate
It is installed to adjust, terminal plate is detachable pattern, can replace the mode of connection by replacing terminal plate.
Description of the drawings
Fig. 1 is the utility model schematic structural cross-sectional view；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the utility model right side structural representation.
In figure：1 bottom plate, 2 second connection steel bars, 3 first connection steel bars, 4 cylindrical plastic shells, 5 secondary coils, 6 the
Two plastic protection casings, 7 primary coils, 8 first plastic protection casings, 9 second porcelain bushing shells, 10 first porcelain bushing shells, 11 high-voltage terminals
Son, 12 iron cores, 13 first screw holes, 14 second screw holes, 15 circular through holes, 16 epoxy packages, 17 capacitance sensors, 18 wiring
Plate.
Specific implementation mode
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of current transformer, including iron core 12, it is described
The top of iron core 12 is wound with primary coil 7, and the outside of the primary coil 7 is cased with the first plastic protection casing 8, the iron core 12
Lower part be wound with secondary coil 5, the outside of the secondary coil 5 is cased with the second plastic protection casing 6, the left side of the iron core 12
It is fixedly connected with cylindrical plastic shell 4, the cylindrical plastic shell 4 is internally provided with capacitance sensor 17, the iron core
12 upper left-hand is equipped with the first porcelain bushing shell 10, and the upper right of the iron core 12 is equipped with the second porcelain bushing shell 9, first insulator
The top of pipe 10 and the second porcelain bushing shell 9 is equipped with high-voltage connection terminal 11, and the lower left side of the iron core 12 is fixedly connected with first
Steel bar 3 is connected, the lower right side of the iron core 12 is fixedly connected with the second connection steel bar 2, and the first connection steel bar 3 and second connects
The downside for connecing steel bar 2 is equipped with bottom plate 1, and the bottom plate 1 is equipped with the first screw hole 13 and the second screw hole 14, the outside of the iron core 12
Epoxy package 16 is poured, the front of second plastic protection casing 6 is bolted with terminal plate 18.
Specifically, the bottom plate 1 is equipped with circular through hole 15, the quantity of the circular through hole 15 is four, the circle
A diameter of one centimetre of through-hole 15.
Specifically, the quantity of first screw hole 13 is two, the quantity of second screw hole 14 is two.
Specifically, it is described first connection steel bar 3 be bolted with the first screw hole 13, it is described second connection steel bar 2 and
Second screw hole 14 is bolted.
Specifically, the rear portion of the capacitance sensor 17 is located at the inside of epoxy package 16.
Specifically, being set on the terminal plate 18, there are four connecting terminals, and the front of the terminal plate 18 is hinged with transparent modeling
Material lid.
Specifically, needing fixed position in use, being fixed on this current transformer by the circular through hole 15 of bottom plate 1
It sets, when needing replacing bottom plate 1, by the bolt of dismantle the first connection steel bar 3 and the connection of the first screw hole 13, the second connection of dismantling
Dismounting bottom plate 1 can be completed in the bolt of steel bar 2 and the second screw hole 14, and the front of the second plastic protection casing 6 is bolted with terminal plate 18,
Therefore the mode of connection can be replaced by dismantling terminal plate 18, the left side of iron core 12 is fixedly connected with cylindrical plastic shell 4,
Cylindrical plastic shell 4 is internally provided with capacitance sensor 17, and current transformer main body and capacitance sensor 17 are installed together
It is not take up space, high-voltage connection terminal 11 is used to connect primary coil 7 by conducting wire, and terminal plate 18 is used to connect two by conducting wire
Secondary coil 5.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of current transformer, including iron core (12), it is characterised in that：The top of the iron core (12) is wound with primary coil
(7), the first plastic protection casing (8) is cased on the outside of the primary coil (7), the lower part of the iron core (12) is wound with secondary line
It encloses (5), is cased with the second plastic protection casing (6) on the outside of the secondary coil (5), is fixedly connected on the left of the iron core (12)
Cylindrical plastic shell (4), the cylindrical plastic shell (4) are internally provided with capacitance sensor (17), the iron core (12)
Upper left-hand be equipped with the first porcelain bushing shell (10), the upper right of the iron core (12) is equipped with the second porcelain bushing shell (9), described first
The top of porcelain bushing shell (10) and the second porcelain bushing shell (9) is equipped with high-voltage connection terminal (11), and the lower left side of the iron core (12) is solid
Surely it is connected with the first connection steel bar (3), the lower right side of the iron core (12) is fixedly connected with the second connection steel bar (2), and described
The downside of one connection steel bar (3) and the second connection steel bar (2) is equipped with bottom plate (1), and the bottom plate (1) is equipped with the first screw hole (13)
Epoxy package (16), second plastic protection casing (6) have been poured with the outside of the second screw hole (14), the iron core (12)
Front be bolted with terminal plate (18).
2. a kind of current transformer according to claim 1, it is characterised in that：The bottom plate (1) is equipped with circular through hole
(15), the quantity of the circular through hole (15) is four, a diameter of one centimetre of the circular through hole (15).
3. a kind of current transformer according to claim 1, it is characterised in that：The quantity of first screw hole (13) is two
A, the quantity of second screw hole (14) is two.
4. a kind of current transformer according to claim 1, it is characterised in that：The first connection steel bar (3) and first
Screw hole (13) is bolted, and the second connection steel bar (2) is bolted with the second screw hole (14).
5. a kind of current transformer according to claim 1, it is characterised in that：The rear of the capacitance sensor (17)
Inside in epoxy package (16).
6. a kind of current transformer according to claim 1, it is characterised in that：It is connect there are four being set on the terminal plate (18)
The front of line terminals, the terminal plate (18) is hinged with transparent plastic cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591251.5U CN208093351U (en) | 2018-04-24 | 2018-04-24 | A kind of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591251.5U CN208093351U (en) | 2018-04-24 | 2018-04-24 | A kind of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208093351U true CN208093351U (en) | 2018-11-13 |
Family
ID=64051878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820591251.5U Expired - Fee Related CN208093351U (en) | 2018-04-24 | 2018-04-24 | A kind of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208093351U (en) |
-
2018
- 2018-04-24 CN CN201820591251.5U patent/CN208093351U/en not_active Expired - Fee Related
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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: Secondary winding fixing method of current transformer Effective date of registration: 20190116 Granted publication date: 20181113 Pledgee: Bank of China Limited by Share Ltd Changzhou Wujin branch Pledgor: Changzhou Orient Electric Co., Ltd. Registration number: 2019320000047 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190711 Granted publication date: 20181113 Pledgee: Bank of China Limited by Share Ltd Changzhou Wujin branch Pledgor: Changzhou Orient Electric Co., Ltd. Registration number: 2019320000047 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20200424 |