CN216928234U

CN216928234U - Low-voltage series reactor

Info

Publication number: CN216928234U
Application number: CN202122659377.6U
Authority: CN
Inventors: 孙红梅
Original assignee: Amat Jiangsu Electric Co ltd
Current assignee: Amat Jiangsu Electric Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-07-08
Anticipated expiration: 2031-11-02

Abstract

The utility model relates to the technical field of reactors, in particular to a low-voltage series reactor, which comprises an upper substrate, a lower substrate and an outer protective shell, wherein an iron yoke and a coil are arranged between the upper substrate and the lower substrate, the top end of the upper substrate is provided with a mounting plate, the outer protective shell is sleeved outside the iron yoke and the coil, the front side of the upper substrate is fixedly connected with a butting column, the back side of the upper substrate is fixedly connected with a butting hole matched with the butting column, the top end of the upper substrate is provided with a positioning groove, the bottom end of the mounting plate is fixedly connected with a positioning block, the utility model arranges the butting column at the front side of the upper substrate, the back side of the upper substrate is provided with the butting hole, the butt-joint column is butt-jointed into the butt-joint hole, so that the connection accuracy of the two reactors can be improved, and then the positioning blocks at the bottom of the mounting plate are matched into the positioning grooves, so that the reactors can be tightly connected together, the looseness is not easy to occur in long-term operation, and the long-term operation stability of the low-voltage series reactor is improved.

Description

Low-voltage series reactor

Technical Field

The utility model relates to the technical field of reactors, in particular to a low-voltage series reactor.

Background

Reactors used in power systems are commonly referred to as series reactors and parallel reactors. Series reactors are used primarily to limit short-circuit currents and also in filters in series or parallel with capacitors to limit higher harmonics in the network. The reactor in 220kV, 110kV, 35kV and 10kV power grids is used for absorbing the charging capacitive reactive power of a cable line. The operating voltage can be adjusted by adjusting the number of shunt reactors.

Because the low-voltage series reactor is formed by connecting a plurality of reactors in series, larger vibration can be generated during operation, and the low-voltage series reactor in the prior art has insufficient connection tightness, so that looseness is easily generated between the reactors during long-term operation.

In order to solve the above problems, a low-voltage series reactor is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

Objects of the first and second utility models

In order to solve the technical problems in the background art, the utility model provides a low-voltage series reactor which has the characteristics of improving the connection tightness of the low-voltage series reactor and improving the running stability of the reactor.

Second, technical scheme

In order to solve the technical problem, the utility model provides a low-voltage series reactor which comprises an upper substrate, a lower substrate and an outer protective shell, wherein an iron yoke and a coil are arranged between the upper substrate and the lower substrate;

the front side of the upper substrate is fixedly connected with a butt joint column, the back side of the upper substrate is fixedly connected with a butt joint hole matched with the butt joint column, and the top end of the upper substrate is provided with a positioning groove;

mounting panel bottom fixedly connected with locating piece, locating piece and constant head tank inboard match, and the locating piece passes through screw fixed connection, mounting panel top fixedly connected with connection terminal with the upper substrate.

Preferably, the top end of the wire holder is fixedly connected with a wiring terminal, the upper part of the wiring terminal is provided with threads, and the upper part of the wiring terminal is in threaded connection with a nut.

Preferably, the four corners of the bottom end of the upper substrate are fixedly connected with connecting rods, the inner wall of the top of the outer protective shell is fixedly connected with a connecting sleeve, and the connecting sleeve is matched with the connecting rods.

Preferably, the infrabasal plate is located the bottom inner wall of outer protective housing, and the infrabasal plate both sides are all seted up flutedly, all install the flexure strip on the inner wall of outer protective housing bottom both sides, and the flexure strip is the arc, and the flexure strip matches in advancing the recess.

Preferably, the elastic sheet is close to one side fixedly connected with inserted block of outer protecting crust inner wall, has seted up the jack on the inner wall of outer protecting crust, inserted block and the inboard interference fit of jack.

Preferably, the elastic pieces are symmetrically distributed by taking the central axis of the lower base plate as a symmetry axis.

Preferably, the inner wall of the bottom end of the outer protective shell is provided with a vibration absorption pad, the vibration absorption pad is arranged between the lower substrate and the inner wall of the outer protective shell, and the bottom end of the vibration absorption pad is fixedly connected with the inner wall of the outer protective shell.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, the butting columns are arranged on the front side of the upper substrate, the butting holes are formed in the back side of the upper substrate, and the butting columns are butted into the butting holes, so that the connection accuracy of the two reactors can be improved, and then the positioning blocks at the bottom of the mounting plate are matched into the positioning grooves, so that a plurality of reactors can be tightly connected together, the reactors are not easy to loosen in long-term operation, and the long-term operation stability of the low-voltage series reactor is improved.

2. The outer protective shell is used for protecting the iron yoke and the coil of the reactor, the elastic pieces are arranged to be matched into the grooves on the two sides of the lower substrate, the elastic pieces have certain elasticity, vibration generated during operation of the reactor can be buffered, and the vibration absorption effect of the vibration absorption pads is matched, so that the vibration frequency of the reactor can be effectively reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic illustration of the outer protective shell of the present invention after disassembly;

FIG. 3 is a schematic view of the overall structure of the upper substrate according to the present invention;

FIG. 4 is a schematic view of another perspective overall structure of the upper substrate according to the present invention;

FIG. 5 is a schematic view of the overall structure of the mounting plate of the present invention;

FIG. 6 is a schematic view of the overall structure of the lower substrate of the present invention;

FIG. 7 is a cross-sectional view of the junction of the lower substrate and the outer protective shell according to the present invention;

fig. 8 is an enlarged view of the structure of fig. 7 a according to the present invention.

Reference numerals: 1. an upper substrate; 101. butting columns; 102. a butt joint hole; 103. positioning a groove; 104. a connecting rod; 2. a lower substrate; 201. a groove; 3. mounting a plate; 301. positioning blocks; 302. a wire holder; 303. a binding post; 304. a nut; 4. an outer protective shell; 401. connecting sleeves; 402. an elastic sheet; 403. inserting a block; 404. a jack; 405. a shock absorbing pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the low-voltage series reactor provided by the utility model comprises an upper substrate 1, a lower substrate 2 and an outer protective shell 4, wherein an iron yoke and a coil are installed between the upper substrate 1 and the lower substrate 2, an installation plate 3 is arranged at the top end of the upper substrate 1, and the outer protective shell 4 is sleeved outside the iron yoke and the coil;

the front side of the upper substrate 1 is fixedly connected with a butt joint column 101, the back side of the upper substrate 1 is fixedly connected with a butt joint hole 102 matched with the butt joint column 101, and the top end of the upper substrate 1 is provided with a positioning groove 103;

mounting panel 3 bottom fixedly connected with locating piece 301, locating piece 301 and the inboard matching of constant head tank 103, locating piece 301 passes through screw fixed connection with

upper substrate

1, and 3 top fixedly connected with wire holder 302 of mounting panel.

It should be noted that, when two reactors are connected, docking post 101 docks into inside docking hole 102, thereby can improve the accuracy that two reactors connect, the rethread is with in locating piece 301 cooperation income constant head tank 103 of mounting panel 3 bottom, can be in the same place a plurality of reactor zonulae occludens, it is difficult for appearing becoming flexible when long-term operation, improve the stability of low pressure series reactor long-term operation, wire holder 302 top fixedly connected with terminal 303, terminal 303 upper portion is equipped with the screw thread, terminal 303 upper portion threaded connection has nut 304, terminal 303 is used for being connected with the wire, nut 304 is rotatory downwards, be used for fixing the wire.

As shown in fig. 2-8, equal fixedly connected with connecting rod 104 in upper substrate 1 bottom four corners, outer protective housing 4 top inner wall fixedly connected with adapter sleeve 401, adapter sleeve 401 matches with connecting rod 104, infrabasal plate 2 is located outer protective housing 4's bottom inner wall, infrabasal plate 2 both sides all are seted up flutedly 201, all install flexure strip 402 on outer protective housing 4 bottom both sides inner wall, flexure strip 402 is the arc, flexure strip 402 matches into in the recess 201, be equipped with shock pad 405 on outer protective housing 4 bottom inner wall, shock pad 405 establishes between the inner wall of infrabasal plate 2 and outer protective housing 4, shock pad 405 bottom and outer protective housing 4's inner wall fixed connection.

It should be noted that, the outer protective shell 4 is arranged to provide a protective effect for the iron yoke and the coil of the reactor, the bottom of the upper substrate 1 is provided with the connecting rod 104 to be inserted into the connecting sleeve 401, the reactor can be installed into the connecting sleeve 401, the elastic sheet 402 is arranged to be matched into the grooves 201 on the two sides of the lower substrate 2, the elastic sheet 402 has certain elasticity, vibration generated during the operation of the reactor can be buffered, and the vibration absorption effect of the vibration absorption pad 405 is matched, so that the vibration frequency of the reactor can be effectively reduced.

As shown in fig. 7-8, an insertion block 403 is fixedly connected to one side of the elastic piece 402 close to the inner wall of the outer protective shell 4, a socket 404 is formed on the inner wall of the outer protective shell 4, and the insertion block 403 is in interference fit with the inner side of the socket 404.

The elastic piece 402 can be fixed by fitting the insertion block 403 into the insertion hole 404.

The working principle of the utility model is as follows: when a low-voltage series reactor operates, a coil and an iron yoke can generate vibration with a certain frequency, so that the connection tightness between the reactors can be influenced when the low-voltage series reactor operates for a long time, the front side of an upper substrate 1 is provided with a butt joint column 101, the back side of the upper substrate 1 is provided with a butt joint hole 102, when the two reactors are connected, the butt joint column 101 is butted into the butt joint hole 102, so that the connection accuracy of the two reactors can be improved, a positioning block 301 at the bottom of a mounting plate 3 is matched into a positioning groove 103, a plurality of reactors can be tightly connected together, the looseness is not easy to occur when the low-voltage series reactor operates for a long time, the long-term operation stability of the low-voltage series reactor is improved, an outer protective shell 4 is arranged for providing a protective effect for the iron yoke and the coil of the reactor, a connecting rod 104 is arranged at the bottom of the upper substrate 1 and is inserted into a connecting sleeve 401, the reactor can be installed into the connecting sleeve 401, and an elastic sheet 402 is arranged and matched into grooves 201 at two sides of a lower substrate 2, the elastic piece 402 has certain elasticity, can buffer the vibration generated when the reactor operates, and can effectively reduce the vibration frequency of the reactor by matching with the vibration absorption effect of the vibration absorption pad 405.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A low-voltage series reactor comprises an upper substrate (1), a lower substrate (2) and an outer protective shell (4), and is characterized in that an iron yoke and a coil are installed between the upper substrate (1) and the lower substrate (2), an installation plate (3) is arranged at the top end of the upper substrate (1), and the outer protective shell (4) is sleeved outside the iron yoke and the coil;

the front side of the upper substrate (1) is fixedly connected with a butt-joint column (101), the back side of the upper substrate (1) is fixedly connected with a butt-joint hole (102) matched with the butt-joint column (101), and the top end of the upper substrate (1) is provided with a positioning groove (103);

mounting panel (3) bottom fixedly connected with locating piece (301), locating piece (301) and constant head tank (103) inboard match, and locating piece (301) and upper substrate (1) pass through screw fixed connection, mounting panel (3) top fixedly connected with wire holder (302).

2. A low-voltage series reactor according to claim 1, characterized in that a terminal (303) is fixedly connected to the top end of the terminal base (302), the upper part of the terminal (303) is provided with a screw thread, and the upper part of the terminal (303) is connected with a nut (304) in a threaded manner.

3. A low-voltage series reactor according to claim 1, characterized in that the four corners of the bottom of the upper substrate (1) are fixedly connected with connecting rods (104), the inner wall of the top of the outer protective shell (4) is fixedly connected with a connecting sleeve (401), and the connecting sleeve (401) is matched with the connecting rods (104).

4. A low-voltage series reactor according to claim 1, characterized in that the lower substrate (2) is located on the inner wall of the bottom of the outer protective shell (4), the grooves (201) are formed on both sides of the lower substrate (2), the elastic pieces (402) are mounted on the inner walls of both sides of the bottom of the outer protective shell (4), the elastic pieces (402) are arc-shaped, and the elastic pieces (402) are matched into the grooves (201).

5. A low-voltage series reactor according to claim 4, characterized in that an insert block (403) is fixedly connected to one side of the elastic sheet (402) close to the inner wall of the outer protective shell (4), a jack (404) is arranged on the inner wall of the outer protective shell (4), and the insert block (403) is in interference fit with the inner side of the jack (404).

6. A low-voltage series reactor according to claim 4, characterized in that the elastic pieces (402) are symmetrically arranged about the central axis of the lower substrate (2).

7. A low-voltage series reactor according to claim 4, characterized in that the inner wall of the bottom end of the outer protective shell (4) is provided with a shock absorbing pad (405), the shock absorbing pad (405) is arranged between the lower substrate (2) and the inner wall of the outer protective shell (4), and the bottom end of the shock absorbing pad (405) is fixedly connected with the inner wall of the outer protective shell (4).