Novel high-voltage zero-sequence current transformer

Abstract

The utility model discloses a novel high-voltage zero-sequence current transformer, which relates to the technical field of transformers and comprises a mounting plate, a transformer is arranged at the top of the mounting plate, a fixing plate is fixedly connected to the front side surface of the transformer, and a mounting device is arranged at the top of the mounting plate. The mounting device comprises a sliding groove, the sliding groove is formed in the top of the mounting plate, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, and the bottom of the fixing plate is fixedly connected to the top of the sliding block. And a first clamping block and a second clamping block can enter a clamping groove after being reset, rapid installation of the mutual inductor is achieved, and therefore the mutual inductor can be disassembled through movement of a first extrusion plate and a second extrusion plate, and then the mutual inductor can be replaced and maintained.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mutual inductor, especially is involved in a novel high pressure zero sequence current mutual inductor. BACKGROUND

[0002] According to the mutual inductor (disclosed number: CN202816635U), including mutual inductor casing and the mutual inductor cover being arranged on mutual inductor casing, the mutual inductor cover is the plastic transparent structure, is equipped with lead seal hole I on the upper end surface of mutual inductor cover, is equipped with the symmetrical terminal lug cover that protrudes outward on one side of mutual inductor cover, is equipped with the boss on the upper end of mutual inductor casing, the boss is T-shaped structure, is equipped with lead seal hole II on the upper end surface of boss, is equipped with the terminal port on the upper end surface of mutual inductor casing and on the web of boss both sides symmetry, is equipped with the inner sleeve on mutual inductor casing, the lower end of mutual inductor casing is connected with base, and the bolt passes through lead seal hole I and lead seal hole II and sets up the boss of mutual inductor cover on mutual inductor casing. The utility model provides a kind of mutual inductor, which is simple in design, easy to install, prevents the occurrence of electricity stealing phenomenon, and ensures the interests of national power industry.

[0003] The above application is assembled by the bolt passing through the lead seal hole I and the lead seal hole II and setting the mutual inductor cover on the boss of the mutual inductor casing, which makes it inconvenient to install the mutual inductor by the bolt, and the nut may be separated from the bolt when shaking. Therefore, we propose a new high-voltage zero-sequence current mutual inductor. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of new high-voltage zero-sequence current mutual inductors, through the movement of clasp bolt and the assembly cooperation of the through hole, fixed hole, card slot, slide, first clamping block, second clamping block etc. inside installation device, first clamping block and second clamping block are pressed, when first clamping block and second clamping block are pressed into slide, clasp bolt is inserted into fixed hole through through hole, when completely inserted, first clamping block and second clamping block will be reset and pop out of slide using elastic spring, when first clamping block and second clamping block reset, it will enter card slot, reach the quick installation of mutual inductor, so as to be disassembled by the movement of extrusion plate one and extrusion plate two, and then mutual inductor can be replaced and maintained, solve the existing problem.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a kind of new high-voltage zero-sequence current mutual inductors, including mounting plate, the top of mounting plate is provided with mutual inductor, the positive side of mutual inductor is fixedly connected with fixed plate, the top of mounting plate is provided with installation device;

[0007] The installation device includes a sliding groove, the sliding groove is opened in the top of the mounting plate, the inner wall of the sliding groove is slidably connected with a sliding block, the bottom of the fixed plate is fixedly connected with the top of the sliding block, the top of the fixed plate is provided with a through hole, the top of the mounting plate is provided with a fixing hole, the side of the fixing hole is provided with a clamping groove, and the inner wall of the through hole is slidably connected with a clamping bolt.

[0008] Further, the inner part of the clamping bolt is provided with a sliding channel, the inner wall of the sliding channel is slidably connected with a first clamping block, the inner wall of the sliding channel is slidably connected with a second clamping block, and the first clamping block and the second clamping block are used to be clamped into the clamping groove to fix the mutual inductor.

[0009] Further, the side of the first clamping block is fixedly connected with an elastic spring, the end of the elastic spring away from the elastic spring is fixedly connected with the side of the second clamping block, and the elastic spring is used to reset the first clamping block and the second clamping block when the first clamping block and the second clamping block are not pressed.

[0010] Further, the top of the mounting plate is provided with a movable groove one, the side of the movable groove one penetrates the clamping groove, the inner wall of the movable groove one is slidably connected with a pressing plate one, and the side of the pressing plate one is fixedly connected with a push block one.

[0011] Further, the top of the mounting plate is provided with a movable groove two, the side of the movable groove two penetrates the clamping groove, the inner wall of the movable groove two is slidably connected with a pressing plate two, and the side of the pressing plate two is fixedly connected with a push block two.

[0012] Further, the side of the pressing plate one is fixedly connected with a reset spring, the end of the reset spring away from the pressing plate one is fixedly connected with the side of the pressing plate two, and the reset spring is used to reset the pressing plate one and the pressing plate two when the pressing plate one and the pressing plate two are not pushed.

[0013] Further, the number of the clamping grooves is two, and the clamping grooves are symmetrical to each other along the vertical middle axis of the fixing holes, the number of the fixing holes, the movable grooves one, the extrusion plates one, the push blocks one, the movable grooves two, the extrusion plates two and the push blocks two is respectively several, and the fixing holes, the movable grooves one, the extrusion plates one, the push blocks one, the movable grooves two, the extrusion plates two and the push blocks two are linearly arranged along the vertical middle axis of the mounting plate, the side surface of the first clamping block is located on the displacement track of the push blocks one, and the side surface of the second clamping block is located on the displacement track of the push blocks two, and the number of the clamping grooves is two, and the clamping grooves are symmetrical to each other along the vertical middle axis of the fixing holes, so that the first clamping block and the second clamping block can be clamped at the same time, and the number of the fixing holes, the movable grooves one, the extrusion plates one, the push blocks one, the movable grooves two, the extrusion plates two and the push blocks two is respectively several, and the fixing holes, the movable grooves one, the extrusion plates one, the push blocks one, the movable grooves two, the extrusion plates two and the push blocks two are linearly arranged along the vertical middle axis of the mounting plate, so that the transformer can be installed at any position on the mounting plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model discloses a moving and mounting device of clamping bolt, movable groove, extrusion plate, push block and the like cooperate with each other, realize pressing first clamping block and second clamping block, when first clamping block and second clamping block are pressed into slide, clamping bolt is inserted into fixing hole through through -hole, when being inserted completely, first clamping block and second clamping block will pop out slide by using elastic spring reset, when first clamping block and second clamping block reset, will enter clamping groove, reach quick installation to transformer, so that through the movement of extrusion plate one and extrusion plate two, the transformer can be disassembled, and the transformer can be replaced and maintained.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the three-dimensional appearance structure schematic diagram of the utility model;

[0019] Figure 2 It is the mounting device three-dimensional overall structure schematic diagram of the utility model;

[0020] Figure 3 It is the mounting device structure sectional view of the utility model;

[0021] Figure 4 It is the mounting device structure sectional view of the utility model; Figure 2The three-dimensional enlarged structure schematic view of the middle A;

[0022] Figure 5 The utility model discloses a Figure 3 The three-dimensional enlarged structure schematic view of the middle B.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1, mounting plate, 2, mutual inductor, 3, fixed plate, 4, mounting device, 41, sliding groove, 42, sliding block, 43, through hole, 44, fixed hole, 45, clamping groove, 46, clamping bolt, 47, slide, 48, first clamping block, 49, second clamping block, 410, elastic spring, 411, movable slot one, 412, extrusion plate one, 413, push block one, 414, movable slot two, 415, extrusion plate two, 416, push block two, 417, reset spring. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-5 The utility model discloses a novel high pressure zero sequence current mutual inductor, including mounting plate 1, the top of mounting plate 1 is provided with mutual inductor 2, the positive side of mutual inductor 2 is fixedly connected with fixed plate 3, and the top of mounting plate 1 is provided with mounting device 4.

[0027] The mounting device 4 includes a sliding groove 41, which is formed in the top of the mounting plate 1. The inner wall of the sliding groove 41 is slidably connected with a sliding block 42. The bottom of the fixed plate 3 is fixedly connected with the top of the sliding block 42. The top of the fixed plate 3 is provided with a through hole 43. The top of the mounting plate 1 is provided with a fixed hole 44. The side of the fixed hole 44 is provided with a clamping groove 45. The inner wall of the through hole 43 is slidably connected with a clamping bolt 46.

[0028] The inner part of the clamping bolt 46 is provided with a slide 47. The inner wall of the slide 47 is slidably connected with a first clamping block 48. The inner wall of the slide 47 is slidably connected with a second clamping block 49. The first clamping block 48 and the second clamping block 49 can be clamped into the clamping groove 45 to fix the mutual inductor 2.

[0029] The side of the first clamping block 48 is fixedly connected with an elastic spring 410, the end of the elastic spring 410 away from the elastic spring 410 is fixedly connected to the side of the second clamping block 49, and the elastic spring 410 is used to reset the first clamping block 48 and the second clamping block 49 when they are not pressed.

[0030] The top of the mounting plate 1 is provided with a movable groove one 411, the movable groove one 411 penetrates the side of the clamping groove 45, the inner wall of the movable groove one 411 is slidably connected with a pressing plate one 412, the side of the pressing plate one 412 is fixedly connected with a push block one 413, and the push block one 413 is used to push the first clamping block 48 into the slide 47.

[0031] The top of the mounting plate 1 is provided with a movable groove two 414, the movable groove two 414 penetrates the side of the clamping groove 45, the inner wall of the movable groove two 414 is slidably connected with a pressing plate two 415, the side of the pressing plate two 415 is fixedly connected with a push block two 416, and the push block two 416 is used to push the second clamping block 49 into the slide 47.

[0032] The side of the pressing plate one 412 is fixedly connected with a reset spring 417, the end of the reset spring 417 away from the pressing plate one 412 is fixedly connected to the side of the pressing plate two 415, and the reset spring 417 is used to reset the pressing plate one 412 and the pressing plate two 415 when they are not pushed.

[0033] The number of the clamping grooves 45 is two, and they are mutually symmetrical along the vertical central axis of the fixed hole 44, the number of the fixed hole 44, the movable groove one 411, the pressing plate one 412, the push block one 413, the movable groove two 414, the pressing plate two 415 and the push block two 416 is respectively several, and they are linearly arrayed along the vertical central axis of the mounting plate 1, the side of the first clamping block 48 is located on the displacement trajectory of the push block one 413, the side of the second clamping block 49 is located on the displacement trajectory of the push block two 416, and the number of the clamping grooves 45 is two, and they are mutually symmetrical along the vertical central axis of the fixed hole 44, which is used to clamp the first clamping block 48 and the second clamping block 49 at the same time, and the number of the fixed hole 44, the movable groove one 411, the pressing plate one 412, the push block one 413, the movable groove two 414, the pressing plate two 415 and the push block two 416 is respectively several, and they are linearly arrayed along the vertical central axis of the mounting plate 1, which is used to install the mutual inductor 2 at any position on the mounting plate 1.

[0034] One specific application of the embodiment is: first, when the mutual inductor 2 needs to be installed, the installation device 4 can be used, the installation plate 1 is fixed on the object to be installed, then the sliding block 42 is moved in the sliding groove 41, when the sliding block 42 is moved, the fixed plate 3 can be moved, when the fixed plate 3 is moved, the mutual inductor 2 can be moved, when the mutual inductor 2 is moved to the position where it needs to be installed, the through hole 43 on the fixed plate 3 is aligned with the corresponding fixing hole 44, then the first clamping block 48 and the second clamping block 49 are pressed, when the first clamping block 48 and the second clamping block 49 are pressed into the sliding channel 47, the clamping bolt 46 is inserted into the fixing hole 44 through the through hole 43, when it is fully inserted, the first clamping block 48 and the second clamping block 49 are reset and pop out of the sliding channel 47, when the first clamping block 48 and the second clamping block 49 are reset, they enter the clamping groove 45, so that the installation of the mutual inductor 2 can be completed, when it needs to be disassembled, the pressing plate one 412 and the pressing plate two 415 are squeezed, when the pressing plate one 412 and the pressing plate two 415 are squeezed, they move towards the middle, when the pressing plate one 412 and the pressing plate two 415 move towards the middle, the push block one 413 and the push block two 416 move towards the middle, when the push block one 413 and the push block two 416 move towards the middle, the first clamping block 48 and the second clamping block 49 are squeezed into the sliding channel 47, when the first clamping block 48 and the second clamping block 49 enter the sliding channel 47, the clamping bolt 46 can be pulled out by pulling it upwards, so that the disassembly of the mutual inductor 2 can be completed.

[0035] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A new type of high voltage zero sequence current transformer comprising a mounting plate (1), characterized in that: The top of the mounting plate (1) is provided with a mutual inductor (2), the positive side of the mutual inductor (2) is fixedly connected with a fixed plate (3), and the top of the mounting plate (1) is provided with a mounting device (4); The mounting device (4) comprises a sliding groove (41) which is formed in the top of the mounting plate (1), a sliding block (42) which is slidably connected to the inner wall of the sliding groove (41), and a through hole (43) which is formed in the top of the fixed plate (3) and is fixedly connected to the top of the sliding block (42), a fixed hole (44) which is formed in the top of the mounting plate (1), a clamping groove (45) which is formed in the side of the fixed hole (44), and a clamping bolt (46) which is slidably connected to the inner wall of the through hole (43).

2. A novel high voltage zero sequence current transformer as claimed in claim 1, wherein, The inside of the clamping bolt (46) is provided with a sliding channel (47), the inner wall of the sliding channel (47) is slidably connected with a first clamping block (48), and the inner wall of the sliding channel (47) is slidably connected with a second clamping block (49).

3. A novel high voltage zero sequence current transformer as claimed in claim 2, wherein, The side of the first clamping block (48) is fixedly connected with an elastic spring (410), and the end of the elastic spring (410) away from the elastic spring (410) is fixedly connected to the side of the second clamping block (49).

4. A novel high voltage zero sequence current transformer as claimed in claim 1, wherein, The top of the mounting plate (1) is provided with a movable slot one (411), the movable slot one (411) penetrates the side of the clamping groove (45), the inner wall of the movable slot one (411) is slidably connected with a pressing plate one (412), and the side of the pressing plate one (412) is fixedly connected with a push block one (413).

5. A novel high voltage zero sequence current transformer as claimed in claim 1, characterized in that The top of the mounting plate (1) is provided with a movable slot two (414), the movable slot two (414) penetrates the side of the clamping groove (45), the inner wall of the movable slot two (414) is slidably connected with a pressing plate two (415), and the side of the pressing plate two (415) is fixedly connected with a push block two (416).

6. A novel high voltage zero sequence current transformer as claimed in claim 4, wherein, The side of the pressing plate one (412) is fixedly connected with a return spring (417), and the end of the return spring (417) away from the pressing plate one (412) is fixedly connected to the side of the pressing plate two (415).

7. A novel high voltage zero sequence current transformer as claimed in claim 1, wherein, The number of clamping grooves (45) is two, and they are mutually symmetrical along the vertical central axis of the fixed hole (44), the number of through holes (43), movable slots one (411), pressing plates one (412), push blocks one (413), movable slots two (414), pressing plates two (415) and push blocks two (416) is respectively set to be several, and they are linearly arrayed along the vertical central axis of the mounting plate (1), the side of the first clamping block (48) is located on the displacement track of the push block one (413), and the side of the second clamping block (49) is located on the displacement track of the push block two (416).

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