CN219958743U - Secondary wiring board for voltage transformer - Google Patents
Secondary wiring board for voltage transformer Download PDFInfo
- Publication number
- CN219958743U CN219958743U CN202320719563.0U CN202320719563U CN219958743U CN 219958743 U CN219958743 U CN 219958743U CN 202320719563 U CN202320719563 U CN 202320719563U CN 219958743 U CN219958743 U CN 219958743U
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- Prior art keywords
- wiring board
- voltage transformer
- board body
- wiring
- terminal
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- 238000007789 sealing Methods 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to a secondary wiring board for a voltage transformer, which relates to the technical field of voltage transformer production and comprises a wiring board body, wherein annular partition plates are arranged on the planes of two sides of the wiring board body, a plurality of wiring terminals which are annularly arranged are arranged on the inner part and the outer part of the annular partition plates, wiring terminals on the surface of the wiring board body facing the outer side of the voltage transformer are wire hole wiring terminals, and wiring terminals on the surface of the wiring board body facing the inner side of the voltage transformer are crown spring wiring terminals. The wiring terminal on the inner side of the secondary wiring board is set to be the crown spring wiring terminal, so that an operator can conveniently plug in a wire in a narrow space, the crown spring wiring terminal is long in service life and small in resistance, can bear large current to pass, can finish plugging and unplugging assembly of the wire without an external dismounting tool on the basis of ensuring stable connection, saves labor, material resources and time cost, and is beneficial to improving working efficiency.
Description
Technical Field
The utility model relates to the technical field of voltage transformer production, and particularly discloses a secondary wiring board for a voltage transformer.
Background
The capacitive voltage transformer consists of a capacitive voltage divider and an electromagnetic unit, wherein the electromagnetic unit mainly consists of an iron core, a primary coil and a secondary coil, and a secondary coil wire is led out of the product through a wiring board made of epoxy casting materials. The secondary wiring board is poured with a wiring terminal, the wiring terminal on the inner side is connected with a secondary coil wire, and the wiring terminal on the outer side is connected with an instrument and meter outside the product.
The authorized bulletin number is: the utility model patent of CN207587516U discloses a voltage transformer secondary wiring board convenient to secondary wiring, including secondary wiring insulation board, the terminal, N utmost point terminal, E utmost point terminal and grounding post, be equipped with the terminal on the secondary wiring insulation board, the terminal is equipped with a plurality of, be equipped with N utmost point terminal on the secondary wiring insulation board, one side of N utmost point terminal is equipped with E utmost point terminal, one side of E utmost point terminal is equipped with the grounding post, and grounding post and N utmost point terminal, E utmost point terminal are in same horizontal straight line, the screw rod has been inserted on the N utmost point terminal, the bottom of screw rod is equipped with first gasket, the screw rod has first gasket from supreme cover in proper order down, first nut, second nut second gasket, third gasket and nut, the cover has the connection piece between second gasket and the third gasket.
The secondary wiring board in the disclosed patent technology can realize wiring by screwing the butterfly nut and adjusting the connecting sheet. When the product is assembled, the distance between the secondary wiring board and the secondary coil inside the product is short, the screwing operation of operators is difficult, and the assembly efficiency is low; and the damper and the arrester are all installed inside the product, when the damper performance is measured or the arrester is replaced, the secondary wiring board must be detached first, and redundant manpower, material resources and time cost are required to be consumed, so that the improvement of the working efficiency is not facilitated.
Disclosure of Invention
The utility model provides a secondary wiring board for a voltage transformer, aiming at the problems of difficult operation and low efficiency when the conventional secondary wiring board is assembled and disassembled.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a secondary wiring board for voltage transformer, includes the wiring board body, all is provided with annular baffle on the plane of wiring board body both sides, and annular baffle inside and outside all is provided with a plurality of terminal that are annular arrangement, and the wiring board body is the wire hole terminal towards the terminal of voltage transformer outside one side, and the wiring board body is the crown spring terminal towards the terminal of voltage transformer inboard one side. The wiring terminal on the inner side of the secondary wiring board is set to be the crown spring wiring terminal, so that an operator can conveniently plug in a wire in a narrow space, the crown spring wiring terminal is long in service life and small in resistance, can bear large current to pass, can finish plugging and unplugging assembly of the wire without an external dismounting tool on the basis of ensuring stable connection, saves labor, material resources and time cost, and is beneficial to improving working efficiency.
Preferably, a screw is installed in the wire hole binding post. The equipment outside the voltage transformer can form fixed connection with the screw hole binding post through winding on the screw, the cooperation structure of the screw hole binding post and the screw is low in cost and stable in connection, and the voltage transformer can adapt to the external complex assembly environment.
Preferably, a contact pin is arranged in the crown spring binding post. The electromagnetic unit inside the voltage transformer can be wound on the contact pin through the wire, the contact pin is pressed in the crown spring binding post to form fixed connection, the cooperation structure of the contact pin and the crown spring binding post has the characteristic of simple structure, the connection of the wire can be realized only by pulling and inserting, the assembly efficiency of the wire inside the voltage transformer is improved, the cooperation structure of the contact pin and the crown spring binding post has strong shock resistance, the stable connection of the electromagnetic unit inside the voltage transformer and the wiring board body can be ensured, and the long-time stable work of the voltage transformer is facilitated.
Preferably, strip-shaped partition plates are arranged between the adjacent binding posts. The strip-shaped partition plates are arranged between the binding posts, so that the insulation creepage distance between the binding posts can be increased, the insulation performance of the wiring board body is improved, and the adjacent binding posts can bear higher withstand voltage values.
Preferably, one surface of the wiring board body facing the outer side of the voltage transformer is provided with a tightly-attached sealing ring plate, and the sealing ring plate is fixedly connected with the voltage transformer shell. The sealing ring plate is fixedly arranged between the wiring board and the voltage transformer shell, so that the sealing performance inside the voltage transformer is ensured to be tighter, moisture and dust are prevented from penetrating, and the working reliability of the voltage transformer is ensured; and set up sealed annular plate and can reduce the work load that voltage transformer inside cleans the maintenance, saved the human cost.
Preferably, the wiring board body is of an integrated structure and is molded by casting epoxy resin. The integrated wiring board body formed by casting the epoxy resin has high dielectric property, can resist electric leakage on the surface of the wiring board body, has excellent insulating capability, and ensures the safety of operators during working.
Preferably, the outside of wiring board body is provided with the arrester, and the inboard of wiring board body is provided with the attenuator, and arrester and attenuator are all installed on the voltage transformer shell. The lightning arrester is arranged on the outer side of the wiring board body and is connected with the wiring terminal on the outer side of the wiring board body through a wire, so that the installation and replacement of the lightning arrester by operators are facilitated, and meanwhile, the daily maintenance is facilitated; the attenuator sets up in the inboard of wiring board body, and the operating personnel can link to each other with the terminal in the wiring board body outside through outside grafting equipment, makes the operating personnel just can carry out direct current resistance measurement and excitation characteristic measurement to the attenuator in the outside, has further promoted staff's work efficiency.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The wiring terminal on the inner side of the secondary wiring board is set as the crown spring wiring terminal, so that an operator can conveniently plug in a wire in a narrow space, the service life of the crown spring wiring terminal is long, the resistance is small, large current can be borne to pass through, the wire can be plugged and assembled without an external dismounting tool on the basis of ensuring stable connection, the labor, material and time costs are saved, and the improvement of the working efficiency is facilitated;
(2) The wiring board body is of an integrated structure and is molded by casting epoxy resin, so that the wiring board body has high dielectric property and excellent insulating capability, and the safety of operators during working is ensured;
(3) According to the utility model, the lightning arrester is arranged on the outer side of the wiring board body, so that the installation and replacement of the lightning arrester by operators are facilitated, meanwhile, the daily maintenance is facilitated, the damper is arranged on the inner side of the wiring board body, and the damper can be connected with the binding post on the outer side of the wiring board body through external plug-in equipment, so that the performance measurement of the damper can be completed from the outside, and the working efficiency of the operators is further improved;
in addition, the utility model has reliable principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a patch panel body according to an embodiment of the present utility model;
FIG. 2 is a schematic view of section A-A of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a voltage transformer housing according to an embodiment of the present utility model;
FIG. 4 is a top view of a voltage transformer housing structure according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a seal ring plate structure according to an embodiment of the present utility model;
FIG. 6 is a cross-sectional view of a post structure according to an embodiment of the present utility model;
in the figure: 1. a wiring board body; 2. an annular partition plate; 3. binding posts; 4. a screw; 5. a contact pin; 6. a strip-shaped partition plate; 7. sealing ring plates; 8. a voltage transformer housing; 9. a lightning arrester; 10. a damper; 11. a voltage transformer.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
Referring to fig. 1-6, this embodiment provides a secondary wiring board for a voltage transformer, including a wiring board body 1, annular partition boards 2 are all provided on two side planes of the wiring board body 1, a plurality of annularly arranged binding posts 3 are all provided on the inner and outer sides of the annular partition boards 2, the binding posts 3 of the wiring board body 1 facing the outer side of the voltage transformer 11 are wire hole binding posts, and the binding posts 3 of the wiring board body 1 facing the inner side of the voltage transformer 11 are crown spring binding posts. According to the utility model, the wiring terminal 3 on the inner side of the secondary wiring board is set as the crown spring wiring terminal, so that an operator can conveniently plug in a wire in a narrow space, the service life of the crown spring wiring terminal is long, the resistance is small, large current can be borne to pass through, and on the basis of ensuring stable connection, the wire can be plugged and assembled without an external dismounting tool, so that the labor, material resources and time cost are saved, and the improvement of the working efficiency is facilitated.
Screw 4 is installed in the wire hole terminal, and contact pin 5 is installed in the crown spring terminal. The equipment outside the voltage transformer 11 can form fixed connection with a wire hole binding post through a wire wound on the screw 4, the matching structure between the wire hole binding post and the screw 4 is low in cost and stable in connection, and the device can adapt to the external complex assembly environment; the inside electromagnetic unit of voltage transformer 11 can be through twining the wire on contact pin 5, press contact pin 5 at the interior fixed connection that forms of crown spring terminal, contact pin 5 and the cooperation structure of crown spring terminal have simple structure's characteristics, only need pull out the connection that inserts can realize the wire, the assembly efficiency of the inside wire of voltage transformer 11 has been improved, and contact pin 5 and the cooperation structure shock resistance of crown spring terminal is strong, can guarantee the inside electromagnetic unit of voltage transformer 11 and terminal plate body 1 are connected firmly, be favorable to the long-time steady operation of voltage transformer 11.
The terminal plate body 1 is provided with the sealing ring board 7 of hugging closely towards the one side in the voltage transformer 11 outside, sealing ring board 7 and voltage transformer shell 8 fixed connection. The sealing ring plate 7 is fixedly arranged between the wiring board body 1 and the voltage transformer shell 8, so that the sealing performance inside the voltage transformer 11 is ensured to be tighter, moisture and dust are prevented from penetrating, and the working reliability of the voltage transformer 11 is ensured; and set up sealed annular plate 7 can reduce the work load that voltage transformer 11 inside cleans the maintenance, saved the human cost.
The outside of wiring board body 1 is provided with arrester 9, and the inboard of wiring board body is provided with attenuator 10, and arrester 9 and attenuator 10 are all installed on voltage transformer shell 8. The lightning arrester 9 is used for protecting the voltage transformer 11 from high transient overvoltage during lightning strike and limiting the follow current time so that the voltage transformer 11 works normally; the lightning arrester 9 is arranged on the outer side of the wiring board body 1 and is connected with the wiring terminal 3 on the outer side of the wiring board body 1 through a wire, so that the installation and replacement of the lightning arrester 9 by operators are facilitated, and meanwhile, the daily maintenance is facilitated; the damper 10 is arranged on the inner side of the wiring board body 1, the damper 10 is connected with the crown spring binding post on the inner side of the wiring board body 1 through a wire, an operator can be connected with the wire hole binding post on the outer side of the wiring board body 1 through external plugging equipment, so that the operator can perform direct current resistance measurement and excitation characteristic measurement on the damper 10 outside, and the working efficiency of the operator is further improved.
Wherein, each strip-shaped partition plate 6 is arranged between the adjacent binding posts 3. The strip-shaped partition plates 6 are arranged between the binding posts 3, so that the insulation creepage distance between the binding posts 3 can be increased, the insulation performance of the wiring board body 1 is improved, and the adjacent binding posts 3 can bear higher voltage resistance.
In addition, the wiring board body 1 is of an integral structure and is molded by casting epoxy resin. The integrated wiring board body 1 formed by casting the epoxy resin has high dielectric property, can resist electric leakage on the surface of the wiring board body 1, ensures that the wiring board body 1 has excellent insulating capability, and ensures the safety of operators during working.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a secondary wiring board for voltage transformer, includes wiring board body (1), its characterized in that, all is provided with annular baffle (2) on wiring board body (1) both sides plane, and annular baffle (2) inside and outside all are provided with a plurality of terminal (3) that are annular arrangement, and wiring board body (1) is wire hole terminal towards terminal (3) of voltage transformer (11) outside one side, and wiring board body (1) is crown spring terminal towards terminal (3) of voltage transformer (11) inboard one side.
2. A secondary wiring board for a voltage transformer according to claim 1, characterized in that a screw (4) is installed in the wire hole terminal.
3. A secondary wiring board for a voltage transformer according to claim 1 or 2, characterized in that a pin (5) is mounted in the crown spring terminal.
4. A secondary wiring board for a voltage transformer according to claim 1 or 2, characterized in that strip-shaped spacers (6) are provided between adjacent terminals (3).
5. The secondary wiring board for the voltage transformer according to claim 1 or 2, wherein a surface of the wiring board body (1) facing the outer side of the voltage transformer (11) is provided with a tightly-attached sealing ring plate (7), and the sealing ring plate (7) is fixedly connected with the voltage transformer shell (8).
6. The secondary wiring board for a voltage transformer according to claim 1 or 2, wherein the wiring board body (1) is of an integral structure, and is molded by casting with epoxy resin.
7. The secondary wiring board for a voltage transformer according to claim 1 or 2, wherein an arrester (9) is provided on the outer side of the wiring board body (1), a damper (10) is provided on the inner side of the wiring board body (1), and both the arrester (9) and the damper (10) are mounted on the voltage transformer housing (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320719563.0U CN219958743U (en) | 2023-03-31 | 2023-03-31 | Secondary wiring board for voltage transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320719563.0U CN219958743U (en) | 2023-03-31 | 2023-03-31 | Secondary wiring board for voltage transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219958743U true CN219958743U (en) | 2023-11-03 |
Family
ID=88549536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320719563.0U Active CN219958743U (en) | 2023-03-31 | 2023-03-31 | Secondary wiring board for voltage transformer |
Country Status (1)
Country | Link |
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CN (1) | CN219958743U (en) |
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2023
- 2023-03-31 CN CN202320719563.0U patent/CN219958743U/en active Active
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