CN207319894U - A kind of current transformer being applied in combination easy to open air - Google Patents
A kind of current transformer being applied in combination easy to open air Download PDFInfo
- Publication number
- CN207319894U CN207319894U CN201721156020.3U CN201721156020U CN207319894U CN 207319894 U CN207319894 U CN 207319894U CN 201721156020 U CN201721156020 U CN 201721156020U CN 207319894 U CN207319894 U CN 207319894U
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- signal terminal
- secondary side
- window
- power transformer
- bearing
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Abstract
A kind of current transformer being applied in combination easy to open air,The bottom of window formed by integrally casting of coil pour mass has window pads,The first current signal terminal is equipped with below coil pour mass on the leading flank of bearing,Second current signal terminal and voltage signal terminal,Two line ends of mutual inductor coil are connected respectively to the first current signal terminal and the second current signal terminal,Window pads are connected via wires to voltage signal terminal,During use by four current transformer combinations together,The bottom of bearing is fixed on mounting base,The position of each phase secondary side of current transformer position correspondence power transformer,It is separately mounted to power transformer A phases,B phases,On the secondary side of C phases and N phases,The window of coil pour mass is adapted with the insulating part of power transformer secondary side,Screw rod is fastened on the output terminal of power transformer secondary side through window pads,I.e. the output terminal of power transformer secondary side is through screw rod,Window pads and conducting wire are connected to voltage signal terminal.
Description
Technical field
The utility model belongs to current transformer, is specifically related to a kind of easy to the outdoor current transformer being applied in combination.
Background technology
To isolate high-tension circuit, ensure the safety of equipment and the person, it is necessary to install current transformer on power transformer,
Standardize measuring instrumentss and protective device, miniaturization, and make its light structure, cheap and easy to shield interior installation.It is existing
In technology, current transformer on power transformer is each independent, cause with power transformer, measuring instrumentss and protective device it
Between connecting line it is mixed and disorderly.
The content of the invention
The utility model is mainly the technical problem solved present in the above-mentioned prior art, there is provided one kind is easy to outdoor group
Close the current transformer used.
The above-mentioned technical problem of the utility model is mainly what is be addressed by following technical proposals:One kind is easy to open air
The current transformer being applied in combination, on power transformer, including bearing and the coil pour mass on bearing, institute
Stating the bottom of window formed by integrally casting of coil pour mass has a window pads, below the coil pour mass on the leading flank of bearing
Equipped with the first current signal terminal, the second current signal terminal and voltage signal terminal, two line ends of mutual inductor coil are distinguished
The first current signal terminal and the second current signal terminal are connected to, window pads are connected via wires to voltage signal terminal, make
Used time, the bottom of bearing was fixed on mounting base by four current transformer combinations together, current transformer position correspondence electricity
The position of each phase secondary side of power transformer, is separately mounted on the secondary side of power transformer A phase, B phase, C phase and N phases, coil
The window of pour mass is adapted with the insulating part of power transformer secondary side, and screw rod is fastened on power transformer through window pads
On the output terminal of secondary side, i.e., the output terminal of power transformer secondary side is connected to voltage letter through screw rod, window pads and conducting wire
Number terminal.
Preferably, the outside mask of the first current signal terminal, the second current signal terminal and voltage signal terminal
Transparent protective cover is equipped with, the leading flank of bearing is protruded from front side of the coil pour mass, is placed in above transparent protective cover.
Preferably, transparent protective cover is encapsulated in bearing by transparency protected cover equipped with lead sealing screw, lead sealing screw
Leading flank on.
Preferably, the top of the bearing is equipped with loses the nameplate using laser marking technique.
The utility model by mounting base group together with, easy to position and manage concentratedly current transformer, with one
Split conductor can be connecting between current transformer, measuring instrumentss and protective device, terminal (such as the N without line
The voltage signal terminal of phase) sky is such as;The leading flank of bearing is protruded from front side of coil pour mass, is placed in transparent protective cover
Above, it can prevent rainwater from entering transparent protective cover;Transparent protective cover is encapsulated on the leading flank of bearing by lead sealing screw, both may be used
Stealing electricity can be prevented with clear view back panel wiring situation again;The top of bearing is equipped with loses the inscription using laser marking technique
Board, cannot modify on the premise of product is not destroyed, and prevent user and change privately and then the possibility of stealing electricity.Therefore this practicality
It is new to have the characteristics that simple in structure, design is reasonable.
Brief description of the drawings
Fig. 1 is a kind of positive structure diagram of the utility model;
Fig. 2 is a kind of dimensional structure diagram of the utility model.
In figure, 1- coil pour mass, 2- bearings, 3- window pads, 4- transparent protective covers, 5- windows, the first electric currents of 6- letter
Number terminal, 7- the second current signal terminals, 8- voltage signal terminals, 9- lead sealing screws, 10- mounting bases, 11- nameplates.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment:It is a kind of easy to the outdoor current transformer being applied in combination referring to Fig. 1 and Fig. 2, installed in power transformer
On, including bearing and the coil pour mass on bearing, the bottom of window formed by integrally casting of the coil pour mass have window
Gasket, the first current signal terminal, the second current signal end are equipped with below the coil pour mass on the leading flank of bearing
Son and voltage signal terminal, two line ends of mutual inductor coil are connected respectively to the first current signal terminal and the second current signal
Terminal, window pads are connected via wires to voltage signal terminal, during use by four current transformer combinations together, the bottom of bearing
End is fixed on mounting base, and the position of each phase secondary side of current transformer position correspondence power transformer, is separately mounted to electricity
On the secondary side of power transformer A phase, B phase, C phase and N phases, the window of coil pour mass and the insulating part of power transformer secondary side
It is adapted, screw rod is fastened on the output terminal of power transformer secondary side through window pads, i.e. power transformer secondary side
Output terminal is connected to voltage signal terminal through screw rod, window pads and conducting wire.Wherein, the first current signal terminal, second
The outside mask of current signal terminal and voltage signal terminal is equipped with transparent protective cover, and branch is protruded from front side of the coil pour mass
The leading flank of seat, is placed in above transparent protective cover;It is described it is transparency protected cover equipped with lead sealing screw, lead sealing screw is by transparent guarantor
Protecting cover is encapsulated on the leading flank of bearing;The top of the bearing is equipped with loses the nameplate using laser marking technique.
The utility model by mounting base group together with, easy to position and manage concentratedly current transformer, with one
Split conductor can be connecting between current transformer, measuring instrumentss and protective device, terminal (such as the N without line
The voltage signal terminal of phase) sky is such as;The leading flank of bearing is protruded from front side of coil pour mass, is placed in transparent protective cover
Above, it can prevent rainwater from entering transparent protective cover;Transparent protective cover is encapsulated on the leading flank of bearing by lead sealing screw, both may be used
Stealing electricity can be prevented with clear view back panel wiring situation again;The top of bearing is equipped with loses the inscription using laser marking technique
Board, cannot modify on the premise of product is not destroyed, and prevent user and change privately and then the possibility of stealing electricity.Therefore this practicality
It is new to have the characteristics that simple in structure, design is reasonable.
Finally it is pointed out that above example is only the more representational example of the utility model.Obviously, this practicality is new
Type is not limited to above-described embodiment, can also there is many deformations.Every foundation the technical essence of the utility model is to above example
Any simple modification, equivalent change and modification made, is considered as belonging to the scope of protection of the utility model.
Claims (4)
1. a kind of easy to the outdoor current transformer being applied in combination, on power transformer, including bearing and installed in branch
Coil pour mass on seat, it is characterised in that the bottom of window formed by integrally casting of the coil pour mass has window pads, the line
The first current signal terminal, the second current signal terminal and voltage signal are equipped with the leading flank of bearing below circle pour mass
Terminal, two line ends of mutual inductor coil are connected respectively to the first current signal terminal and the second current signal terminal, window pad
Piece is connected via wires to voltage signal terminal, and during use by four current transformer combinations together, the bottom of bearing is fixed on peace
Fill on bottom plate, the position of each phase secondary side of current transformer position correspondence power transformer, is separately mounted to power transformer A
Phase, B phases, C phases and N phases secondary side on, the window of coil pour mass is adapted with the insulating part of power transformer secondary side, spiral shell
Bar is fastened on the output terminal of power transformer secondary side through window pads, i.e., the output terminal of power transformer secondary side is through spiral shell
Bar, window pads and conducting wire are connected to voltage signal terminal.
It is 2. a kind of easy to the outdoor current transformer being applied in combination according to claim 1, it is characterised in that first electricity
The outside mask of stream signal terminal, the second current signal terminal and voltage signal terminal is equipped with transparent protective cover, the coil cast
The leading flank of bearing is protruded from front side of body, is placed in above transparent protective cover.
It is 3. a kind of easy to the outdoor current transformer being applied in combination according to claim 2, it is characterised in that the transparent guarantor
Protecting cover is equipped with lead sealing screw, and transparent protective cover is encapsulated on the leading flank of bearing by lead sealing screw.
It is 4. according to claim 1 or claim 2 a kind of easy to the outdoor current transformer being applied in combination, it is characterised in that the bearing
Top be equipped with the nameplate lost using laser marking technique.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721156020.3U CN207319894U (en) | 2017-09-11 | 2017-09-11 | A kind of current transformer being applied in combination easy to open air |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721156020.3U CN207319894U (en) | 2017-09-11 | 2017-09-11 | A kind of current transformer being applied in combination easy to open air |
Publications (1)
Publication Number | Publication Date |
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CN207319894U true CN207319894U (en) | 2018-05-04 |
Family
ID=62385885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721156020.3U Active CN207319894U (en) | 2017-09-11 | 2017-09-11 | A kind of current transformer being applied in combination easy to open air |
Country Status (1)
Country | Link |
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CN (1) | CN207319894U (en) |
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2017
- 2017-09-11 CN CN201721156020.3U patent/CN207319894U/en active Active
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