CN214099377U - LGB type composite dry current transformer - Google Patents
LGB type composite dry current transformer Download PDFInfo
- Publication number
- CN214099377U CN214099377U CN202023318427.6U CN202023318427U CN214099377U CN 214099377 U CN214099377 U CN 214099377U CN 202023318427 U CN202023318427 U CN 202023318427U CN 214099377 U CN214099377 U CN 214099377U
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- China
- Prior art keywords
- current transformer
- transformer body
- wiring board
- lgb
- type composite
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- 239000002131 composite material Substances 0.000 title claims description 14
- 238000003466 welding Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses a compound dry-type current transformer of LGB type, include: the novel intelligent power supply comprises a current transformer body, a fixing seat and an umbrella skirt, wherein a groove is formed in one side wall of the current transformer body, a wiring board is embedded and installed on the inner surface wall of the groove, a secondary wiring terminal is arranged on the wiring board, the upper portion, located in the groove, of one side wall of the current transformer body is connected with an outer protective cover in a rotating mode through a hinge, an incoming line pipe penetrating through the outer protective cover is inserted into the outer protective cover in a inserting mode, and an L-shaped frame is welded inside the outer protective cover and located on the outer surface wall of one end of the incoming line pipe. The utility model discloses in, this compound dry-type current transformer of LGB type, the wiring board that will be provided with secondary binding post inlays to establish the installation and fixes in the recess that is equipped with on a current transformer body lateral wall for the wiring board indent formula sets up, and at the in-process of current transformer body transport installation, the wiring board is difficult for colliding or the extrusion damage with the secondary binding post that sets up on the wiring board.
Description
Technical Field
The utility model relates to a current transformer technical field especially relates to compound dry-type current transformer of LGB type.
Background
The current transformer is an instrument for measuring by converting a large primary side current into a small secondary side current according to the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary side winding of the current transformer has few turns and is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the secondary side winding has more turns and is connected in series in a measuring instrument and a protection circuit, and when the current transformer works, the secondary side circuit of the current transformer is always closed, so that the impedance of the series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit. The current transformer converts a large current on the primary side into a small current on the secondary side for measurement, and the secondary side can not be opened. The vocabulary entry introduces its working principle, parameter description, classification, use introduction, etc.
The existing LGB type composite dry current transformer is characterized in that a wiring board provided with a secondary wiring terminal is directly fixed on the outer surface wall of a current transformer body, the wiring board is extremely easy to damage due to collision and extrusion in the process of transferring and mounting of the current transformer body, and a wire connected to the secondary wiring terminal on the wiring board lacks an auxiliary fixing structure, so that the situation of virtual connection caused by dragging of wind power or the wire in the using process is easy to occur, and the requirement of a user cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound dry-type current transformer of LGB type, the wiring board that will be provided with secondary binding post inlays to establish the installation and fixes in the recess that is equipped with on a current transformer body lateral wall for the wiring board indent formula sets up, and at the in-process of current transformer body transport installation, the wiring board is difficult for colliding or the extrusion damage with the secondary binding post who sets up on the wiring board.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an LGB type composite dry current transformer comprising: the current transformer comprises a current transformer body, a fixed seat and an umbrella skirt;
the utility model discloses a current transformer, including current transformer body, recess, outer protecting cover, wire inlet pipe, bearing, arc clamping frame, be provided with secondary binding post on the wiring board, the top that lies in the recess on one side wall of current transformer body is rotated through the hinge and is connected with the outer protecting cover, it has the wire inlet pipe that runs through the outer protecting cover to peg graft on the outer protecting cover, the inside welding that lies in the outer protecting cover on the outer wall of one end of wire inlet pipe has L type frame, threaded connection has the threaded rod on the L type frame, and the one end of threaded rod has cup jointed the bearing, the welding has the arc clamping frame on the outer wall of bearing.
As a further description of the above technical solution:
the current transformer body top center department is provided with the full skirt, be provided with on the current transformer body and run through the full skirt and extend to the primary wiring terminal in the outside, and seted up the wiring hole on the primary wiring terminal.
As a further description of the above technical solution:
the bottom end of the outer surface wall of the outer shield is welded with a fixing strip, and the fixing strip is in threaded connection with a fixing bolt.
As a further description of the above technical solution:
the arc-shaped clamping frames are provided with two arc-shaped clamping frames which are symmetrical to each other about the incoming line pipe.
As a further description of the above technical solution:
the bottom end of the current transformer body is provided with a fixed seat, and the upper surface of the fixed seat is positioned on the periphery of the outer side of the current transformer body and provided with mounting holes.
The utility model provides a compound dry-type current transformer of LGB type. The method has the following beneficial effects:
(1) this compound dry-type current transformer of LGB type, the wiring board that will be provided with secondary binding post inlays to establish the installation and fixes in the recess that is equipped with on a current transformer body lateral wall for the wiring board indent formula sets up, and at the in-process of current transformer body transport installation, the wiring board is difficult for colliding or the extrusion damage with the secondary binding post that sets up on the wiring board.
(2) This compound dry-type current transformer of LGB type is provided with the protection casing in the recess department that lies in setting up the wiring board, is provided with the inlet wire pipe on the protection casing, and the wire that will be connected to on the wiring board passes through the inlet wire union coupling to the protection casing in, drives two arc holding framves through rotating the threaded rod and is close to each other, can carry out the centre gripping to the wire that is connected to on the wiring board fixed, assists spacingly to the wire to the stability that wire and wiring board are connected has been improved.
Drawings
Fig. 1 is a schematic structural view of an LGB type composite dry current transformer according to the present invention;
fig. 2 is a side view of an LGB type composite dry current transformer according to the present invention;
fig. 3 is a schematic structural view of the middle protective cover of the present invention.
Illustration of the drawings:
1. a current transformer body; 2. a fixed seat; 3. mounting holes; 4. an umbrella skirt; 5. a primary wiring terminal; 6. a wiring hole; 7. a fixing strip; 8. a groove; 9. an outer shroud; 10. a wiring board; 11. a secondary wiring terminal; 12. a wire inlet pipe; 13. an L-shaped frame; 14. a threaded rod; 15. a bearing; 16. an arc-shaped clamping frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 3, an LGB type composite dry current transformer includes: the current transformer comprises a current transformer body 1, a fixed seat 2 and an umbrella skirt 4;
be equipped with recess 8 on one side wall of current transformer body 1, inlay on the interior table wall of recess 8 and establish and install wiring board 10, be provided with secondary binding post 11 on the wiring board 10, the top that lies in recess 8 on one side wall of current transformer body 1 is connected with the outer shield 9 through the hinge rotation, it has inlet wire pipe 12 that runs through outer shield 9 to peg graft on the outer shield 9, the inside welding that lies in outer shield 9 on the exterior wall of one end of inlet wire pipe 12 has L type frame 13, threaded connection has threaded rod 14 on the L type frame 13, and bearing 15 has been cup jointed to the one end of threaded rod 14, the welding has arc supporting frame 16 on the exterior wall of bearing 15.
The umbrella skirt 4 is arranged at the center of the top of the current transformer body 1, the primary wiring terminal 5 which runs through the umbrella skirt 4 and extends to the outer side is arranged on the current transformer body 1, and the wiring hole 6 is formed in the primary wiring terminal 5.
The bottom end of the outer surface wall of the outer shield 9 is welded with a fixing strip 7, and the fixing strip 7 is in threaded connection with a fixing bolt.
The arc-shaped clamping frames 16 are provided in total in two, and the two arc-shaped clamping frames 16 are symmetrical to each other about the inlet pipe 12.
The bottom end of the current transformer body 1 is provided with a fixing seat 2, and the upper surface of the fixing seat 2 is positioned on the periphery of the outer side of the current transformer body 1 and is provided with mounting holes 3.
The working principle is as follows: when the LGB type composite dry current transformer is used, firstly, the LGB type composite dry current transformer can be installed and fixed through the installation hole 3 on the fixed seat 2 and the fixed bolt, when in use, it is possible to perform wiring directly through the primary wiring terminals 5, and when it is necessary to connect the secondary wiring terminals 11 provided on the wiring board 10, the wires are first run through the outer sheath 9 to the inside through the inlet conduit 12 on the outer sheath 9, then the outer cover 9 is opened, the wires are connected with the secondary connecting terminal 11 on the wiring board 10, then, by rotating the threaded rod 14 to bring the two arc-shaped clamping frames 16 close to each other, the wires connected to the wiring board 10 can be clamped and fixed, thereby improved the stability that the wire is connected with wiring board 10, again with the outer shield 9 through fixed strip 7 and fixing bolt fastening on fixing base 2 can.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
- An LGB type composite dry current transformer, comprising: the current transformer comprises a current transformer body (1), a fixed seat (2) and an umbrella skirt (4);be equipped with recess (8) on one side wall of current transformer body (1), inlay on the interior table wall of recess (8) and establish and install wiring board (10), be provided with secondary binding post (11) on wiring board (10), the top that lies in recess (8) on one side wall of current transformer body (1) is rotated through the hinge and is connected with outer shield (9), it has inlet wire pipe (12) of running through outer shield (9) to peg graft on outer shield (9), the inside welding that lies in outer shield (9) on the one end exterior wall of inlet wire pipe (12) has L type frame (13), threaded connection has threaded rod (14) on L type frame (13), and the one end of threaded rod (14) has cup jointed bearing (15), the welding has arc supporting frame (16) on the exterior wall of bearing (15).
- 2. The LGB type composite dry current transformer according to claim 1, wherein a shed (4) is provided at the center of the top of the current transformer body (1), a primary connection terminal (5) extending to the outside through the shed (4) is provided on the current transformer body (1), and a connection hole (6) is opened on the primary connection terminal (5).
- 3. The LGB type composite dry current transformer according to claim 1, wherein a fixing bar (7) is welded to the bottom end of the outer wall of the outer shield (9), and a fixing bolt is threadedly connected to the fixing bar (7).
- 4. The LGB type composite dry current transformer according to claim 1, wherein the arc-shaped holding frames (16) are provided in total in two, and the two arc-shaped holding frames (16) are symmetrical to each other with respect to the inlet pipe (12).
- 5. The LGB type composite dry current transformer according to claim 1, wherein the bottom of the current transformer body (1) is provided with a fixed seat (2), and the upper surface of the fixed seat (2) is provided with mounting holes (3) around the outer side of the current transformer body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023318427.6U CN214099377U (en) | 2020-12-31 | 2020-12-31 | LGB type composite dry current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023318427.6U CN214099377U (en) | 2020-12-31 | 2020-12-31 | LGB type composite dry current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099377U true CN214099377U (en) | 2021-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023318427.6U Expired - Fee Related CN214099377U (en) | 2020-12-31 | 2020-12-31 | LGB type composite dry current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214099377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113985092A (en) * | 2021-10-27 | 2022-01-28 | 国网山东省电力公司营销服务中心(计量中心) | Mobile high-voltage electric power metering device and use method thereof |
-
2020
- 2020-12-31 CN CN202023318427.6U patent/CN214099377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113985092A (en) * | 2021-10-27 | 2022-01-28 | 国网山东省电力公司营销服务中心(计量中心) | Mobile high-voltage electric power metering device and use method thereof |
| CN113985092B (en) * | 2021-10-27 | 2023-09-22 | 国网山东省电力公司营销服务中心(计量中心) | Mobile high-voltage power metering device and use method thereof |
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| 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: 20210831 |