CN207938458U - A kind of current transformer safety device - Google Patents
A kind of current transformer safety device Download PDFInfo
- Publication number
- CN207938458U CN207938458U CN201721150843.5U CN201721150843U CN207938458U CN 207938458 U CN207938458 U CN 207938458U CN 201721150843 U CN201721150843 U CN 201721150843U CN 207938458 U CN207938458 U CN 207938458U
- Authority
- CN
- China
- Prior art keywords
- shell
- current transformer
- safety device
- chamber door
- block
- 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 transformer safety devices, including shell, ground wire, chamber door and mounting plate, the upper end of the shell is equipped with top plate, it is connected with hinge between the top plate and shell, the upper end of the shell is provided with lightning rod, and cooling piece is installed on the inner wall of shell, the lower end of the cooling piece is provided with block, it is mounted with partition board on the block, the ground wire is mounted on the lower end of shell, card eye is installed on the outer surface of the shell, the chamber door is connected with shell, and fixture block is installed in chamber door, it is provided with through-hole on the outer surface of the top plate, the mounting plate is arranged in the rear end of shell.The current transformer safety device effectively can carry out security protection to current transformer, and shell and chamber door are visual tempered glass, and rigidity is strong, facilitates observation inner case.
Description
Technical field
The utility model is related to current transformer technical field, specially a kind of current transformer safety device.
Background technology
For current transformer principle according to electromagnetic induction principle, current transformer is the iron core and winding group by being closed
At.Its first side winding the number of turns is seldom, goes here and there in the circuit for the electric current for needing to measure, therefore it often has all electricity of circuit
Stream flows through, and secondary side winding turn ratio is more, is serially connected in measuring instrumentss and protective loop, current transformer at work, it
Secondary side circuit be to be closed always, therefore the impedance very little of measuring instrumentss and protective loop series coil, current transformer
Working condition close to short circuit.Current transformer is that primary side high current is converted into secondary side low current to use, secondary side
Can not open a way, the effect of current transformer be can the larger primary current of numerical value by certain no-load voltage ratio be converted to numerical value compared with
Small secondary current, for the purposes such as being protected, being measured.It, can be being actually such as the current transformer that no-load voltage ratio is 400/5
The electric current of 400A is changed into the electric current of 5A.
When mounted, entire current transformer is exposed to outer end to current transformer, is easy to cause current transformer in this way
Damage.
Utility model content
The purpose of this utility model is to provide a kind of current transformer safety devices, to solve above-mentioned background technology
When mounted, entire current transformer is exposed to outer end to middle proposition current transformer, is easy to cause to damage to current transformer in this way
The problem of hindering.
To achieve the above object, the utility model provides the following technical solutions：A kind of current transformer safety device,
Including shell, ground wire, chamber door and mounting plate, the upper end of the shell is equipped with top plate, is connected between the top plate and shell
There is hinge, the upper end of the shell is provided with lightning rod, and cooling piece is equipped on the inner wall of shell, the lower end of the cooling piece
It is provided with block, partition board is mounted on the block, the ground wire is on the lower end of shell, the outer surface of the shell
Card eye is installed, the chamber door is connected with shell, and fixture block is equipped in chamber door, is provided on the outer surface of the top plate logical
Hole, the mounting plate are arranged in the rear end of shell.
Preferably, the material of the shell and the material of chamber door are transparent visual tempered glass.
Preferably, the cooling piece is provided with two groups, and cooling piece is with the installation substantially symmetrical about its central axis of shell.
Preferably, the block is both provided with two groups with partition board, and partition board and block are detachable connecting device.
Preferably, there are two the through-hole settings.
Preferably, the mounting plate and shell are overall structure, and threaded hole is provided on mounting plate.
Compared with prior art, the utility model has the beneficial effects that：The current transformer safety device is by electric current
Mutual inductor is placed in the housing, and enclosure is equipped with cooling piece and partition board, and shell upper end is provided with lightning rod and lower end
It is connected with ground wire, can security protection effectively be carried out to current transformer, and shell and chamber door are visual tempered glass,
Rigidity is strong, facilitates observation inner case.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model top board structure schematic diagram；
Fig. 3 is the utility model shell rear surface structural schematic diagram.
In figure：1, shell, 2, top plate, 3, hinge, 4, lightning rod, 5, cooling piece, 6, block, 7, partition board, 8, ground wire, 9,
Card eye, 10, chamber door, 11, fixture block, 12, through-hole, 13, mounting plate, 14, threaded hole.
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 safety device, packet
Include shell 1, top plate 2, hinge 3, lightning rod 4, cooling piece 5, block 6, partition board 7, ground wire 8, card eye 9, chamber door 10, fixture block 11,
The upper end of through-hole 12, mounting plate 13 and threaded hole 14, shell 1 is equipped with top plate 2, and hinge 3 is connected between top plate 2 and shell 1,
The upper end of shell 1 is provided with lightning rod 4, and cooling piece 5 is equipped on the inner wall of shell 1, and cooling piece 5 is provided with two groups, and makes
The lower end of cold 5 installation substantially symmetrical about its central axis with shell 1, cooling piece 5 is provided with block 6, and partition board 7, block are mounted on block 6
6 are both provided with two groups with partition board 7, and partition board 7 and block 6 are detachable connecting device, and ground wire 8 is mounted on the lower end of shell 1,
Card eye 9 is installed, chamber door 10 is connected with shell 1, and fixture block 11 is equipped in chamber door 10, shell 1 on the outer surface of shell 1
The material of material and chamber door 10 is transparent visual tempered glass, and through-hole 12 is provided on the outer surface of top plate 2, and through-hole 12 is arranged
There are two, mounting plate 13 is arranged in the rear end of shell 1, and mounting plate 13 is overall structure with shell 1, and is provided on mounting plate 13
Threaded hole 14.
Operation principle：Before using the current transformer safety device, need to carry out the structure of whole device
It is simple to understand, according to actual conditions, current transformer is placed on the partition board 7 of different height, closes chamber door 10, it is available
Shell 1 is fixed on wall or object by the mounting plate 13 of 1 rear end of shell, can open top plate 2 to connecing on current transformer
Line terminals are handled and are adjusted, and entire shell can protect current transformer, and 8 energy of lightning rod 4 and ground wire
Enough to preventing influence of the thunder and lightning weather to current transformer, while cooling piece 5 can reduce the heat inside shell 1.
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 safety device, including shell (1), ground wire (8), chamber door (10) and mounting plate (13),
It is characterized in that：The upper end of the shell (1) is equipped with top plate (2), and hinge is connected between the top plate (2) and shell (1)
(3), the upper end of the shell (1) is provided with lightning rod (4), and cooling piece (5), the system are equipped on the inner wall of shell (1)
The lower end of cold (5) is provided with block (6), and partition board (7) is mounted on the block (6), and the ground wire (8) is mounted on shell
(1) lower end is equipped with card eye (9) on the outer surface of the shell (1), and the chamber door (10) is connected with shell (1), and chamber
Fixture block (11) is installed on door (10), through-hole (12), mounting plate (13) setting are provided on the outer surface of the top plate (2)
Rear end in shell (1).
2. a kind of current transformer safety device according to claim 1, it is characterised in that：The shell (1)
The material of material and chamber door (10) is transparent visual tempered glass.
3. a kind of current transformer safety device according to claim 1, it is characterised in that：The cooling piece (5)
Two groups are provided with, and cooling piece (5) is with the installation substantially symmetrical about its central axis of shell (1).
4. a kind of current transformer safety device according to claim 1, it is characterised in that：The block (6) with
Partition board (7) is both provided with two groups, and partition board (7) and block (6) are detachable connecting device.
5. a kind of current transformer safety device according to claim 1, it is characterised in that：The through-hole (12) sets
There are two setting.
6. a kind of current transformer safety device according to claim 1, it is characterised in that：The mounting plate (13)
It is overall structure with shell (1), and is provided with threaded hole (14) on mounting plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721150843.5U CN207938458U (en) | 2017-09-09 | 2017-09-09 | A kind of current transformer safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721150843.5U CN207938458U (en) | 2017-09-09 | 2017-09-09 | A kind of current transformer safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207938458U true CN207938458U (en) | 2018-10-02 |
Family
ID=63644412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721150843.5U Expired - Fee Related CN207938458U (en) | 2017-09-09 | 2017-09-09 | A kind of current transformer safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207938458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048347A (en) * | 2019-11-29 | 2020-04-21 | 国网山东省电力公司无棣县供电公司 | Insulation protection device of isolating switch |
-
2017
- 2017-09-09 CN CN201721150843.5U patent/CN207938458U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048347A (en) * | 2019-11-29 | 2020-04-21 | 国网山东省电力公司无棣县供电公司 | Insulation protection device of isolating switch |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20200909 |