CN208570322U - Small no-load voltage ratio Headstand series-parallel connection structure of current transformer - Google Patents
Small no-load voltage ratio Headstand series-parallel connection structure of current transformer Download PDFInfo
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- CN208570322U CN208570322U CN201821321998.5U CN201821321998U CN208570322U CN 208570322 U CN208570322 U CN 208570322U CN 201821321998 U CN201821321998 U CN 201821321998U CN 208570322 U CN208570322 U CN 208570322U
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Abstract
The utility model relates to current transformer fields, specifically a kind of small no-load voltage ratio Headstand series-parallel connection structure of current transformer, including shell and integrated cable, integrated cable is set in the shell, terminal plate is equipped in the side P1 of shell and the side P2, guide blot and series-parallel plate, and series-parallel plate inner end is connect by guide blot with shell, integrated cable both ends are equipped with the first end and the second end, and the integrated cable is located at the first end of the side P1 and is connected with the guide blot of the side, second end is connected with the terminal plate of the side, the first end that the integrated cable is located at the side P2 is connected with the terminal plate of the side, second end is connected with the guide blot of the side, P1, when the side P2 is connected, the series-parallel plate outer end of the side P1 and the side P2 is connected with shell, P1, the side P2 is in parallel When, the series-parallel plate outer end of the side P1 and the side P2 is connected with the terminal plate of respective side respectively.The utility model series-parallel conversion is fast, and easy to operate.
Description
Technical field
The utility model relates to current transformer field, specifically a kind of small no-load voltage ratio inverted type current transformer string is simultaneously
It is coupled structure.
Background technique
Oil-immersed inverted current transformer is a kind of is used in AC electric power systems for electric current, electric energy measurement and relay protection
Equipment, oil-immersed inverted current transformer have obtained the generally approval of user with its excellent performance, wherein for small change
For the inverted type current transformer of ratio, the side P1 is usually connected by an integrated cable and the side P2 forms more ampere-turns, in this way
The problem of can solve small no-load voltage ratio low precision, but the no-load voltage ratio of inverted type current transformer in the prior art is usually fixed, it cannot
Because actual needs is changed.
Utility model content
The purpose of this utility model is to provide a kind of small no-load voltage ratio Headstand series-parallel connection structure of current transformer, by going here and there simultaneously
Yoke plate rotates the series-parallel conversion of the side realization device P1, the side P2, and series-parallel conversion is fast, and easy to operate.
The purpose of this utility model is achieved through the following technical solutions:
A kind of small no-load voltage ratio Headstand series-parallel connection structure of current transformer, including shell and integrated cable, integrated cable setting
In in the shell, terminal plate, guide blot and series-parallel plate, and series-parallel plate inner end are equipped in the side P1 of shell and the side P2
It is connect by guide blot with housing into rotation, integrated cable both ends are equipped with the first cable and the second cable, and the integrated electricity
The first cable that cable is located at the side P1 is connected with the guide blot of the side, the second cable is connected with the terminal plate of the side, described integrated
The first cable that cable is located at the side P2 is connected with the terminal plate of the side, the second cable is connected with the guide blot of the side, the side P1, P2
When series connection, the series-parallel plate outer end of the side P1 and the side P2 is connected with shell, when the parallel connection of the side P1, P2, the side P1 and the side P2 it is series-parallel
Plate outer end is connected with the terminal plate of respective side respectively.
It is equipped with fixing seat in the side P1 of the shell and the side P2, when the series connection of the side P1, P2, the series-parallel plate outer end is logical
The fixing seat for crossing bolt and respective side is connected.
The terminal plate upper end is equipped with series-parallel plate tie point, when the parallel connection of the side P1, P2, series-parallel plate by bolt with it is corresponding
Series-parallel plate tie point on the terminal plate of side is connected.
The terminal plate is equipped with three wiring points in triangular shape distribution, and the series-parallel plate tie point including upper end is under
Two tie points of side, integrated cable is located at the second cable of the side P1 and the first cable positioned at the side P2 pass through respectively bolt with
Any one wiring point of respective side terminal plate lower part is connected.
The advantages of the utility model and good effect are as follows:
1, the utility model rotates the series-parallel conversion of the side realization device P1, the side P2, series-parallel conversion by series-parallel plate
Fastly.
2, the utility model, which need to only unscrew guide blot, can be realized being freely rotated for series-parallel plate, be not necessarily to conducting wire spiral shell
Bolt and series-parallel plate remove, simple to operate.
Detailed description of the invention
Fig. 1 is the side the P1 schematic diagram when side the utility model P1, P2 is connected,
Fig. 2 is the side the P2 schematic diagram when side the utility model P1, P2 is connected,
The side P1 schematic diagram when Fig. 3 is the utility model P1, P2 side parallel connection,
The side P2 schematic diagram when Fig. 4 is the utility model P1, P2 side parallel connection.
Wherein, 1 is explosion-proof film, and 2 be shell, and 3 be the first cable, and 4 be the second cable, and 5 be terminal plate, and 6 be guiding spiral shell
Bolt, 7 be series-parallel plate, and 8 be fixing seat, and 9 be series-parallel plate tie point.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in figures 1-4, the utility model includes shell 2 and integrated cable, and integrated cable is set in the shell 2,
And the integrated cable passes through 2 center of shell and forms more ampere-turns, this is techniques well known, in the shell 2
The side P1 and the side P2 are equipped with terminal plate 5, guide blot 6 and series-parallel plate 7, and 7 inner end of series-parallel plate passes through guide blot 6
It is connect with shell 2, integrated cable both ends are equipped with the first cable 3 and the second cable 4, and the integrated cable is located at the of the side P1
One cable 3 is connected with the guide blot 6 of the side, the second cable 4 is connected with the terminal plate 5 of the side, and the integrated cable is located at P2
First cable 3 of side is connected with the terminal plate 5 of the side, the second cable 4 is connected with the guide blot 6 of the side, as shown in Fig. 1~2,
When the series connection of the side P1, P2,7 outer end of series-parallel plate of the side P1 and the side P2 is connected with shell 2, as shown in figs. 34, when the side P1, P2
When in parallel, 7 outer end of series-parallel plate of the side P1 and the side P2 is connected with the terminal plate of respective side 5 respectively.
As shown in figures 1-4, it is equipped with fixing seat 8 in the side P1 of the shell 2 and the side P2, when the series connection of the side P1, P2, institute
Series-parallel 7 outer end of plate is stated to be connected by the fixing seat 8 of bolt and respective side.
As shown in figures 1-4, the terminal plate 5 is equipped with three wiring points in triangular shape distribution, and the string including upper end is simultaneously
Two tie points of yoke plate tie point 9 and downside, wherein the integrated cable is located at the second cable 4 of the side P1 and is located at the side P2
The first cable 3 be connected respectively by any one wiring point of bolt and 5 lower part of respective side terminal plate, the series-parallel plate 7
Then it is connected by the series-parallel plate tie point 9 on bolt and the terminal plate 5 of respective side.
The working principle of the utility model are as follows:
The utility model passes through the series-parallel conversion for rotating series-parallel 7 realization device circuit of plate, wherein when the side P1 and the side P2
7 outer end of series-parallel plate when being connected with shell 2, terminal plate 5, series-parallel plate 7 and the shell 2 of integrated cable and two sides
It is formed together the side P1, the series connection of the side P2 collects when 7 outer end of series-parallel plate of the side P1 and the side P2 is connected with the terminal plate of respective side 5 respectively
It is connected with the terminal plate of respective side 5 at the first cable 3 of cable two sides and the second cable 4, to form the side P1, the side P2 simultaneously
Connection.In addition before rotating series-parallel plate 7, it is only necessary to unscrew the guide blot 6 outward, not have to guide blot 6
It unloads, then removes the fixing bolt of series-parallel 7 outer end of plate, series-parallel plate 7 can freely turn around the guide blot 6 at this time
It is dynamic, after series-parallel plate 7 is fixed for position, then fixed series-parallel 7 inner end of plate of the guide blot 6 is tightened again.
Claims (4)
1. a kind of small no-load voltage ratio Headstand series-parallel connection structure of current transformer, it is characterised in that: including shell (2) and integrated cable,
Integrated cable is set in the shell (2), is equipped with terminal plate (5), guide blot (6) in the side P1 of shell (2) and the side P2
With series-parallel plate (7), and series-parallel plate (7) inner end is rotatablely connected by guide blot (6) and shell (2), integrated cable both ends
It is equipped with the first cable (3) and the second cable (4), and the integrated cable is located at the first cable (3) of the side P1 and leading for the side
To bolt (6), connected, the second cable (4) is connected with the terminal plate (5) of the side, and the integrated cable is located at the first cable of the side P2
(3) be connected with the terminal plate of the side (5), the second cable (4) is connected with the guide blot (6) of the side, the side P1, P2 connect when, P1
Series-parallel plate (7) outer end of side and the side P2 is connected with shell (2), when the parallel connection of the side P1, P2, the series-parallel plate of the side P1 and the side P2
(7) outer end is connected with the terminal plate of respective side (5) respectively.
2. small no-load voltage ratio Headstand series-parallel connection structure of current transformer according to claim 1, it is characterised in that: in the shell
The side P1 and the side P2 of body (2) are equipped with fixing seat (8), and when the series connection of the side P1, P2, series-parallel plate (7) outer end passes through bolt
It is connected with the fixing seat (8) of respective side.
3. small no-load voltage ratio Headstand series-parallel connection structure of current transformer according to claim 1, it is characterised in that: the wiring
Plate (5) upper end is equipped with series-parallel plate tie point (9), and when the parallel connection of the side P1, P2, series-parallel plate (7) passes through bolt and respective side wiring
Series-parallel plate tie point (9) on plate (5) is connected.
4. small no-load voltage ratio Headstand series-parallel connection structure of current transformer according to claim 3, it is characterised in that: the wiring
Plate (5) is equipped with three wiring points in triangular shape distribution, two companies of series-parallel plate tie point (9) and downside including upper end
Contact, integrated cable be located at the side P1 the second cable (4) and positioned at the side P2 the first cable (3) respectively by bolt with it is corresponding
Any one wiring point of side terminal plate (5) lower part is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321998.5U CN208570322U (en) | 2018-08-16 | 2018-08-16 | Small no-load voltage ratio Headstand series-parallel connection structure of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321998.5U CN208570322U (en) | 2018-08-16 | 2018-08-16 | Small no-load voltage ratio Headstand series-parallel connection structure of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570322U true CN208570322U (en) | 2019-03-01 |
Family
ID=65450659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821321998.5U Active CN208570322U (en) | 2018-08-16 | 2018-08-16 | Small no-load voltage ratio Headstand series-parallel connection structure of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208570322U (en) |
-
2018
- 2018-08-16 CN CN201821321998.5U patent/CN208570322U/en active Active
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