CN212874217U

CN212874217U - Electric reactor

Info

Publication number: CN212874217U
Application number: CN202021271289.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiaxing Shimizu Electronics Co ltd
Current assignee: Jiaxing Shimizu Electronics Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-02
Anticipated expiration: 2030-07-01

Abstract

A reactor is used for solving the technical problem that the failure rate of the reactor is high due to heat accumulation inside the reactor. The reactor comprises a coil, a support and an iron core, wherein the iron core is fixed on the support, the coil is wound on the iron core, the iron core comprises a first iron core column and a second iron core column, the coil comprises a first coil and a second coil, a first heat dissipation air channel is arranged between the first coil and the first iron core column, a first heat dissipation air channel is also arranged between the second coil and the second iron core column, and second heat dissipation air channels are respectively arranged on the first coil and the second coil; the utility model discloses simple structure, the heat dissipation of mainly used reactor.

Description

Electric reactor

Technical Field

The utility model relates to a reactor technical field, concretely relates to reactor.

Background

The reactor is also called as an inductor, the reactor has wide application, the reactor adopted in a power system is usually used for limiting short-circuit current, and the reactor is also connected with a capacitor in series or in parallel in a filter for limiting higher harmonics in a power grid; in 220kV, 110kV, 35kV and 10kV power grids, the reactors are used for absorbing the charging capacity reactive power of a cable line or the running voltage can be adjusted by adjusting the number of parallel reactors.

The solenoid of present reactor all adopts the enameled wire preparation to form, because the enameled wire coiling is inseparable, consequently can produce the accumulational problem of heat, perhaps adopts the coil that copper foil or aluminium foil inseparable coiling formed to produce the accumulational problem of heat equally to lead to the heat dispersion of reactor relatively poor, the fault rate is higher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is not enough to prior art, releases a reactor for the poor reactor thermal diffusivity that leads to the higher technical problem of reactor fault rate who mentions in the solution background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reactor comprises an iron core, a coil and a bracket, wherein the iron core is connected to the bracket, the coil is wound on the iron core, and a first heat dissipation air channel is arranged between the coil and the iron core; the iron core comprises a first iron core column and a second iron core column, and the first iron core column and the second iron core column are formed by connecting stainless steel plates; the coil comprises a first coil and a second coil, the first coil is wound on the first iron core column, and the second coil is wound on the second iron core column; and second heat dissipation air passages are respectively arranged on the first coil and the second coil.

Further, the first coil and the second coil are formed by winding copper foils or aluminum foils, and the thickness of the copper foils or the aluminum foils is 0.5-2 mm.

Furthermore, a high-temperature-resistant second heat insulation member is arranged between every two adjacent groups of the wound copper foils or aluminum foils in the first coil and the second coil, and the second heat insulation members are clamped by the adjacent wound copper foils or aluminum foils; the second heat insulation members separate each group of adjacent wound copper foils or aluminum foils, and a second heat dissipation air channel is formed between the adjacent and separated copper foils or aluminum foils.

Further, first core limb with be provided with the first thermal-insulated component of high temperature resistance between the first coil, the second core limb with also be provided with the first thermal-insulated component of high temperature resistance between the second coil, first thermal-insulated component makes and forms first heat dissipation air flue between first core limb and the first coil, also forms first heat dissipation air flue between second coil and the second core limb.

Further, the support includes upper bracket and lower carriage, the upper bracket is used for fixing the upper end of first iron core post and second iron core post, the lower carriage is used for fixing the lower extreme of first iron core post and second iron core post, the upper bracket with the lower carriage passes through double-pull rod structure and connects.

Further, the double-pull-rod structure comprises two groups of fixing blocks with bolt holes and a group of pull rods, the pull rods are connected with the bolt holes of the fixing blocks through bolts, and the fixing blocks are welded on the upper support and the lower support through argon arc welding.

Furthermore, a first starting row and a first ending row are arranged on the first coil, a second starting row and a second ending row are arranged on the second coil, the first starting row is not connected with the second starting row, the first ending row is not connected with the second ending row, and the first coil and the second coil form independent energy conversion structures respectively.

Further, the copper foil or the aluminum foil is separated by an insulating layer, and the insulating layer is made of high-temperature-resistant paper or film.

Further, the exposed parts of the first iron core column and the second iron core column are brushed with antirust paint.

Furthermore, hoisting components with hoisting holes are symmetrically arranged at the upper ends of the first core limb and the second core limb.

The utility model has the advantages that:

the utility model discloses dispel the heat that the reactor produced when carrying out the during operation with the help of the first heat dissipation air flue between coil and the iron core, it is further, the inside second heat dissipation air flue that sets up of coil further dispels the heat, and first heat dissipation air flue and the inside heat of second heat dissipation air flue synchronization action can carry out the heat dissipation with the reactor better and handle to thereby guarantee the normal use of reactor can not appear the problem of high temperature in reactor inside.

Drawings

FIG. 1 is a schematic top view of the present embodiment;

FIG. 2 is a schematic front view of the present embodiment;

FIG. 3 is a schematic side view of the present embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is an enlarged view of a portion B in fig. 1.

Description of reference numerals: 100. a coil; 101. a first coil; 102. a second coil; 110. a second insulating member; 111. A second heat dissipation air passage; 200. an iron core; 201. a first core limb; 202. a second core limb; 203. a stainless steel plate; 204. a first insulating member; 205. a first heat dissipation air passage; 300. a support; 310. an upper bracket; 320. a lower bracket; 330. a double pull rod structure; 331. a pull rod; 332. a fixed block; 340. hoisting the component; 341. and (6) hoisting holes.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 2, a reactor includes a core 200, a coil 100, and a support 300, the core 200 is fixed to the support 300, and the coil 100 is wound around the core 200.

As shown in fig. 2 and 3, in particular, the bracket 300 includes an upper bracket 310 and a lower bracket 320, the upper bracket 310 is two rectangular steel plates, the lower bracket 320 is two L-shaped steel plates, the upper bracket 310 and the lower bracket 320 are fixedly connected through a double-pull rod structure 330, a set of fixing blocks 332 with bolt holes in the double-pull rod structure 330 is symmetrically welded and fixed at the center of the rectangular steel plate of the upper bracket 310 through argon arc welding technology, another set of fixing blocks 332 is symmetrically welded and fixed on the L-shaped steel plate of the lower bracket 320, and the pull rod 331 is fixed on the fixing blocks 332 through bolt holes.

As shown in fig. 1, the core 200 includes a first core limb 201 and a second core limb 202, the first core limb 201 and the second core limb 202 are both in a cubic shape, and the first core limb 201 and the second core limb 202 are connected into a whole through a stainless steel plate 203, so as to ensure that the first coil 101 and the second coil 102 have a common magnetic circuit.

The upper ends of the first core limb 201 and the second core limb 202 are fixed to the upper bracket 310 by screws, the upper end surface of the upper bracket 310 is located on the same plane as the upper end surfaces of the first core limb 201 and the second core limb 202, and the lower end surfaces of the first core limb 201 and the second core limb 202 are fixed to the lower bracket 320 by screws.

The coil 100 comprises a first coil 101 and a second coil 102, wherein the first coil 101 and the second coil 102 are formed by winding copper foils or aluminum foils, the thickness of the copper foils or the aluminum foils is 0.5-2mm, the copper foils or the aluminum foils are separated by insulating layers, and the insulating layers are made of high-temperature-resistant paper or films.

The first coil 101 is provided with a first starting row and a first ending row, the second coil 102 is provided with a second starting row and a second ending row, the first starting row and the second starting row are not connected, the first ending row and the second ending row are not connected, and the first coil 101 and the second coil 102 form independent energy conversion structures, namely the first coil 101 and the second coil 102 are respectively and independently connected with different circuits.

As shown in fig. 1 and 4, a second heat dissipation air channel 111 is disposed on the first coil 101 and the second coil 102, specifically, a second heat insulation member 110 is disposed between any adjacent wound copper foils or aluminum foils, the second heat insulation member 110 separates any adjacent copper foils or aluminum foils from each other to form the second heat dissipation air channel 111, and the second heat insulation member 110 is a high temperature resistant material.

As shown in fig. 1 and 5, the first coil 101 is wound around the first core limb 201, and the second coil 102 is wound around the second core limb 202; a first heat insulation component 204 is arranged between the first coil 101 and the first iron core column 201, the first heat insulation component 204 is made of high-temperature-resistant materials, the first heat insulation component 204 is fixed on the surface of the first iron core column 201, the first heat insulation component 204 comprises cubic heat insulation convex blocks and L-shaped heat insulation convex blocks, two groups of the L-shaped heat insulation convex blocks are symmetrically arranged on the edges of the first iron core column 201, and two groups of the cubic heat insulation convex blocks are symmetrically arranged on the vertical surface of the first iron core column 201; the first heat insulation member 204 forms a first heat dissipation air channel 205 between the first coil 101 and the first core limb 201; a first heat insulating member 204 is also provided between the second core limb 202 and the second coil 102, and the installation of the first heat insulating member 204 is exactly the same as the installation of the first heat insulating member 204 between the first core limb 101 and the first core limb 201 described above.

Exposed parts of the first core limb 201 and the second core limb 202 are brushed with antirust paint, and hoisting members 340 with hoisting holes 341 are symmetrically arranged at the upper ends of the first core limb 201 and the second core limb 202.

The utility model provides a reactor, form second heat dissipation air flue 111 through second heat insulation component 110 in first coil 101 and the second coil 102, form first heat dissipation air flue 205 through first heat insulation component 204 between first coil 101 and the first iron core post 201, form first heat dissipation air flue 205 through first heat insulation component 204 between second coil 102 and the second iron core post 202, the setting of first heat dissipation air flue 205 and second heat dissipation air flue 111 makes the heat dissipation of reactor better; the fixing blocks 332 with bolt holes in the double-pull-rod structure 330 are fixed on the upper bracket 310 and the lower bracket 320 through argon arc welding, the connection between the pull rod 331 and the bracket 300 is firmer, and the double-pull-rod structure 330 can play a good tensioning role when vibration is generated inside the reactor in the use process.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A reactor comprises an iron core, a coil and a bracket, wherein the iron core is connected to the bracket, and the coil is wound on the iron core; the iron core comprises a first iron core column and a second iron core column, and the first iron core column and the second iron core column are formed by connecting stainless steel plates; the coil comprises a first coil and a second coil, the first coil is wound on the first iron core column, and the second coil is wound on the second iron core column; and second heat dissipation air passages are respectively arranged on the first coil and the second coil.

2. The reactor according to claim 1, wherein the first coil and the second coil are each wound from a copper foil or an aluminum foil, and the copper foil or the aluminum foil has a thickness of 0.5 to 2 mm.

3. The reactor according to claim 2, wherein a second heat insulating member resistant to high temperature is provided between each adjacent one of the first coil and the second coil, and the second heat insulating member is sandwiched by the adjacent wound copper foils or aluminum foils; the second heat insulation members separate each group of adjacent wound copper foils or aluminum foils, and a second heat dissipation air channel is formed between the adjacent and separated copper foils or aluminum foils.

4. The reactor according to claim 3, wherein a first heat insulating member having high temperature resistance is provided between the first core limb and the first coil, and a first heat insulating member having high temperature resistance is also provided between the second core limb and the second coil, and the first heat insulating member forms a first heat dissipation air passage between the first core limb and the first coil and a first heat dissipation air passage between the second core limb and the second core limb.

5. The reactor according to claim 1, wherein the support includes an upper support for fixing upper ends of the first core leg and the second core leg, and a lower support for fixing lower ends of the first core leg and the second core leg, and the upper support and the lower support are connected by a double-pull-rod structure.

6. The reactor according to claim 5, wherein the double-pull-rod structure comprises two groups of fixing blocks with bolt holes and one group of pull rods, the pull rods are connected in the bolt holes of the fixing blocks through bolts, and the fixing blocks are welded on the upper support and the lower support through argon arc welding.

7. The reactor according to any one of claims 1 to 4, wherein a first leading row and a first trailing row are provided on the first coil, a second leading row and a second trailing row are provided on the second coil, the first leading row is not connected to the second leading row, the first trailing row is not connected to the second trailing row, and the first coil and the second coil form independent energy conversion structures, respectively.

8. The reactor according to claim 2, wherein the copper foil or the aluminum foil is separated by an insulating layer, and the insulating layer is made of high temperature resistant paper or film.

9. The reactor according to claim 8, wherein exposed portions of the first core leg and the second core leg are painted with a rust inhibitive paint.

10. The reactor according to claim 9, wherein hoisting members with hoisting holes are symmetrically arranged at upper ends of the first core limb and the second core limb.