CN212783000U

CN212783000U - Electric reactor

Info

Publication number: CN212783000U
Application number: CN202021600550.4U
Authority: CN
Inventors: 张月; 陈琪; 唐俊; 阮昕煜; 李刚
Original assignee: Jiangsu Huapeng Transformer Co ltd
Current assignee: Jiangsu Huapeng Transformer Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-23
Anticipated expiration: 2030-08-04

Abstract

The application provides a reactor, includes: the core column, the coil, the first iron yoke structure, the second iron yoke structure, the pressing mechanism and the pull screw rod; the coil encircles the stem sets up, first yoke structure and second yoke structure set up respectively the both ends of stem will the coil centre gripping is between them, draw the first end of screw rod with second yoke structural connection, hold-down mechanism set up in draw on the second of screw rod end and with first yoke structure is kept away from the one side elasticity butt of second yoke structure.

Description

Electric reactor

Technical Field

The application relates to the technical field of reactors, in particular to a reactor.

Background

Reactors, also called inductors, generate a magnetic field in a certain spatial range occupied by the conductor when it is energized.

In order to fix the iron yoke more firmly, the traditional reactor generally adopts a plurality of clamping structures for fixing the iron yoke, so that the structure of the reactor is more complex and redundant.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a reactor, which is used for solving the problems of complex structure and redundancy of the existing reactor.

In a first aspect, an embodiment of the present invention provides a reactor, including: the core column, the coil, the first iron yoke structure, the second iron yoke structure, the pressing mechanism and the pull screw rod; the coil encircles the stem sets up, first yoke structure and second yoke structure set up respectively the both ends of stem will the coil centre gripping is between them, draw the first end of screw rod with second yoke structural connection, hold-down mechanism set up in draw on the second of screw rod end and with first yoke structure is kept away from the one side elasticity butt of second yoke structure.

In the reactor of above-mentioned design, make first yoke structure and second yoke structure and stem and the firm laminating of coil through the cooperation of drawing screw rod and hold-down mechanism, make the tight effect of clamp of yoke structure and stem, coil not influenced on the basis of simplifying the reactor structure, simplified the structure of reactor, the structure of solving current reactor is comparatively complicated and redundant problem.

In an optional implementation manner of this embodiment, the first iron yoke structure includes a top plate, a first iron yoke, and a first insulating member, the first insulating member is disposed between the top plate and the first iron yoke, one surface of the first iron yoke, which is away from the top plate, abuts against the stem, and one surface of the top plate, which is away from the first iron yoke, abuts against the pressing mechanism elastically.

In an optional implementation manner of this embodiment, the reactor further includes two first clamp plates that are provided on two opposite side wall surfaces of the top plate, and the two first clamp plates respectively abut against side wall surfaces of the first iron yoke to clamp the first iron yoke therebetween.

In the embodiment of above-mentioned design, exert the ascending clamp force of horizontal direction through first splint to first indisputable yoke, clamping mechanism, coil and stem exert the ascending clamp force of vertical side to first indisputable yoke for the clamp of first indisputable yoke is tight more firm, on indisputable yoke simple structure's basis, realizes indisputable yoke clamping all around, improves the tight effect of clamp of indisputable yoke, coil, reduces the vibration range.

In an alternative embodiment of this embodiment, the two first clamping plates are disposed on two opposite side wall surfaces of the top plate by bolts.

In the embodiment of the above design, the first clamping plate is arranged on the side wall surface of the top plate through the bolt, so that the first clamping plate can be detached, and the clamping force of the first clamping plate on the first iron yoke can be adjusted.

In an optional implementation manner of this embodiment, the reactor further includes two second insulating members that are respectively provided between the two first clamping plates and the side wall surfaces of the first iron yoke.

In an optional implementation manner of this embodiment, the reactor further includes two first straps, one ends of the two first straps are respectively disposed on two opposite sides of the two first clamping plates, which are relatively far away from each other, and the other ends of the two first straps are respectively connected to the first iron yoke.

In the embodiment designed above, the first iron yoke is clamped at an inclined angle by the binding band in addition to the vertical and horizontal clamping manner, so that the clamping of the first iron yoke is firmer.

In an optional implementation manner of this embodiment, the second iron yoke structure includes a bottom plate, a second iron yoke, and a second insulating member, the second insulating member is disposed between the bottom plate and the second iron yoke, one surface of the second iron yoke, which is away from the bottom plate, abuts against the stem, and a first end of the pull screw is connected to the bottom plate.

In an optional implementation manner of this embodiment, the reactor further includes two second clamp plates that are provided on two opposite side wall surfaces of the bottom plate by bolts, and the two second clamp plates respectively abut against side wall surfaces of the second iron yoke to sandwich the second iron yoke therebetween.

In an optional implementation manner of this embodiment, the pressing mechanism includes a pressing plate and a spring assembly, one end of the spring assembly abuts against a surface of the first iron yoke structure, which is far away from the second iron yoke structure, the pressing plate is disposed at the other end of the spring assembly and is opposite to the first iron yoke structure, and the first end of the pull screw rod is connected to the pressing plate.

In an alternative embodiment of this embodiment, the first and second yoke structures have a width greater than the diameter of the coil.

In the embodiment of the above design, the widths of the first iron yoke structure and the second iron yoke structure are larger than the diameter of the coil, so that the first iron yoke structure and the second iron yoke structure clamp the coil more easily and effectively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a first cross-sectional view of a reactor provided in an embodiment of the present application;

fig. 2 is a second cross-sectional view of a reactor provided in an embodiment of the present application;

fig. 3 is a third sectional view of a reactor provided in an embodiment of the present application;

fig. 4 is a fourth cross-sectional view of a reactor provided in an embodiment of the present application;

fig. 5 is a top view of a reactor provided in an embodiment of the present application.

Icon: 10-a stem; 20-a coil; 30-a first iron yoke structure; 301-a top plate; 302-a first iron yoke; 303 — a first insulator; 40-a second iron yoke structure; 401-a backplane; 402-a second iron yoke; 403-a third insulator; 50-a pressing mechanism; 501-a pressure plate; 502-a spring assembly; 60-pulling the screw rod; 70-a first splint; 80-a second splint; 701-a second insulator; 801-fourth insulation; 90-a first strap; 91-second strap.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1 and 5, the present embodiment provides a reactor, which includes a stem 10, a coil 20, a first iron yoke structure 30, a second iron yoke structure 40, a hold-down mechanism 50, and a pull screw 60, wherein the coil 20 is disposed around the stem 10, the first iron yoke structure 30 and the second iron yoke structure 40 are respectively disposed at two ends of the stem 10 and clamp the coil 20 therebetween, a first end of the pull screw 60 is connected to the second iron yoke structure 40, and the hold-down mechanism 50 is disposed at a second end of the pull screw 60 and elastically abuts against a surface of the first iron yoke structure 30 away from the second iron yoke structure 40.

In the reactor with the above design, the pressing mechanism 50 applies downward pressing force to the first iron yoke structure 30 through the cooperation of the pull screw 60 and the pressing mechanism 50, and meanwhile, because the other end of the pull screw 60 is also connected with the second iron yoke structure 40, on the basis that the pressing mechanism applies downward pressing force to the first iron yoke structure 30, the pull screw 60 also has upward pulling force to the second iron yoke structure 40, so that the first iron yoke structure 30 is pressed downward, and the second iron yoke structure 40 is pulled upward, so that the first iron yoke structure 30, the second iron yoke structure 40, the stem 10 and the coil 20 are firmly attached.

In the reactor of above-mentioned design, make first yoke structure and second yoke structure and stem and the firm laminating of coil through the cooperation of drawing screw rod 60 and hold-down mechanism 50, make the tight effect of clamp of yoke structure and stem, coil not influenced on the basis of simplifying the reactor structure, simplified the structure of reactor, the structure of solving current reactor is comparatively complicated and redundant problem.

In an alternative embodiment of this embodiment, as shown in fig. 1 and 5, the first iron yoke structure 30 includes a top plate 301, a first iron yoke 302, and a first insulating member 303, the first insulating member 303 is disposed between the top plate 301 and the first iron yoke 302, a face of the first iron yoke 302 remote from the top plate 301 abuts against the stem 10, a face of the top plate 301 remote from the first iron yoke 302 elastically abuts against the hold-down mechanism 50, and similarly, for the second iron yoke structure 40, it may include a bottom plate 401, a second iron yoke 402, and a third insulating member 403, the third insulating member 403 is disposed between the bottom plate 401 and the second iron yoke 402, a face of the second iron yoke 402 remote from the bottom plate 401 abuts against the stem 10, a first end of the pull screw 60 is connected to the bottom plate 401, the first insulating member 303 and the third insulating member 403 make the leakage flux on the first iron yoke 302 and the second iron yoke not be transmitted to the top plate 301 and the bottom plate 401, thereby insulating the top plate 301 and the bottom plate 401 and facilitating the subsequent maintenance and transportation process.

In an alternative embodiment of the present embodiment, in addition to the aforementioned design of the first iron yoke structure 30 and the second iron yoke structure 40, as shown in fig. 2, the reactor further includes two first clamping plates 70 and two second clamping plates 80, the two first clamping plates 70 are disposed on two opposite side wall surfaces of the top plate 301, and the two first clamping plates 70 respectively abut against side wall surfaces of the first iron yoke 302 to clamp the first iron yoke 302 therebetween; the two second clamp plates 80 are provided on two opposite side wall surfaces of the base plate 401, and the two second clamp plates 80 are respectively abutted against side wall surfaces of the second iron yoke 402 to sandwich the second iron yoke 402 therebetween.

Specifically, the first clamping plate on the right side may apply a clamping force to the first iron yoke 302 in the left direction, and the first clamping plate on the left side may apply a clamping force to the first iron yoke 302 in the right direction; the second clamping plate on the right side can apply a clamping force to the second yoke 402 in the left direction, and the second clamping plate on the left side can apply a clamping force to the second yoke 402 in the right direction, so that the first yoke 302 and the second yoke 402 are clamped in the circumferential direction by the pressing mechanism 50, the two first clamping plates 70, the two second clamping plates 80, the stem 10 and the coil 20, thereby forming a firm whole.

In an alternative embodiment of this embodiment, two first clamping plates 70 may be disposed on two opposite side wall surfaces of the top plate 301 by bolts, two second clamping plates 80 may be disposed on two opposite side wall surfaces of the top plate 301 by bolts, and the clamping force of the clamping plates on the iron yoke is adjustable by the bolts, so that the adjustment and maintenance of the clamping force of the iron yoke is facilitated, of course, two first clamping plates 70 may also be disposed on two opposite side wall surfaces of the top plate 301 by welding, and two second clamping plates 80 may also be disposed on two opposite side wall surfaces of the bottom plate 401 by welding.

In an alternative embodiment of the present embodiment, as shown in fig. 3 and 4, the reactor may further include a second insulator 701 and a fourth insulator 801, the second insulator 701 being disposed between the first clamping plate 70 and the first iron yoke 302; the fourth insulating member 801 is disposed between the second clamping plate 80 and the second iron yoke 402, and the number of the second insulating member 701 and the fourth insulating member 801 may be two.

In an alternative embodiment of the present embodiment, as shown in fig. 3 and 4, the reactor further includes a first strap 90 and a second strap 91, one end of the first strap 90 being disposed on a side of the first clip plate 70 relatively distant from the first iron yoke 302, the other end of the first strap 90 being connected to the first iron yoke 302; one end of the second strap 91 is disposed on a side wall surface of the second clip plate 80 relatively distant from the second iron yoke 402, and the other end of the second strap 91 is connected to the second iron yoke 402. Due to the design of the binding bands, the iron yoke is not tightly clamped in the vertical and horizontal directions, and is also clamped in the inclined direction, so that the iron yoke is clamped more firmly, and the vibration amplitude of the iron yoke is reduced.

In an alternative embodiment of this embodiment, the pressing mechanism 50 includes a pressing plate 501 and a spring assembly 502, one end of the spring assembly 502 abuts against a surface of the first iron yoke structure 30 away from the second iron yoke structure 40, the pressing plate 501 is disposed at the other end of the spring assembly 502, and is opposite to the first iron yoke structure 30, the first end of the pull screw 60 is connected to the pressing plate, the pull screw 60 may include a bolt and a pull rod, and the bolt applies an acting force to the pressing plate through the fastening of the bolt, so as to apply an acting force to the spring assembly 502, thereby achieving the effect of pressing the pressing mechanism 50. Specifically, when the first iron yoke structure 30 is configured as described above, one end of the spring assembly 502 may abut against the top plate 301, that is, the pressing mechanism 50 is disposed on the top plate 301.

In an alternative embodiment of the present embodiment, the width of the first and second

iron yoke structures

30 and 40 is larger than the diameter of the coil 20, and specifically, when the first and second

iron yoke structures

30 and 40 are configured as described above, the width, that is, the length in the horizontal direction, of the first and

second iron yokes

302 and 402 is larger than the diameter of the coil 20. Therefore, the iron yoke structure can compress the coil more firmly, and compared with the existing iron yoke structure which has the same diameter as the coil, the iron yoke structure slightly larger than the diameter of the coil can improve the compression effect on the coil 20 and reduce the vibration amplitude of the coil 20.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A reactor, characterized by comprising: the core column, the coil, the first iron yoke structure, the second iron yoke structure, the pressing mechanism and the pull screw rod;

the coil encircles the stem sets up, first yoke structure and second yoke structure set up respectively the both ends of stem will the coil centre gripping is between them, draw the first end of screw rod with second yoke structural connection, hold-down mechanism set up in draw on the second of screw rod end and with first yoke structure is kept away from the one side elasticity butt of second yoke structure.

2. The reactor according to claim 1, wherein the first iron yoke structure includes a top plate, a first iron yoke, and a first insulating member, the first insulating member is provided between the top plate and the first iron yoke, a surface of the first iron yoke remote from the top plate abuts against the stem, and a surface of the top plate remote from the first iron yoke elastically abuts against the hold-down mechanism.

3. The reactor according to claim 2, characterized by further comprising two first clamp plates provided on opposite side wall surfaces of the top plate, the two first clamp plates abutting against side wall surfaces of the first iron yoke, respectively, to sandwich the first iron yoke therebetween.

4. The reactor according to claim 3, characterized in that the two first clamping plates are provided on two opposite side wall surfaces of the top plate by bolts.

5. The reactor according to claim 3, characterized by further comprising a second insulator provided between the first clamp plate and the side wall surface of the first iron yoke.

6. The reactor according to claim 3, characterized by further comprising a first strap, one end of which is provided on a side of the first clip plate away from the first iron yoke, and the other end of which is connected to the first iron yoke.

7. The reactor according to claim 1, wherein the second iron yoke structure includes a bottom plate, a second iron yoke, and a third insulator, the third insulator is provided between the bottom plate and the second iron yoke, a surface of the second iron yoke remote from the bottom plate abuts against the stem, and a first end of the tension screw is connected to the bottom plate.

8. The reactor according to claim 7, characterized by further comprising two second clamp plates that are provided on two opposite side wall surfaces of the bottom plate by bolts, the two second clamp plates abutting against side wall surfaces of the second iron yoke, respectively, to sandwich the second iron yoke therebetween.

9. The reactor according to claim 1, wherein the hold-down mechanism includes a hold-down plate and a spring assembly, one end of the spring assembly abuts against a surface of the first yoke structure remote from the second yoke structure, the hold-down plate is provided at the other end of the spring assembly opposite to the first yoke structure, and a first end of the tension screw is connected to the hold-down plate.

10. The reactor according to claim 1, characterized in that the widths of the first and second iron yoke structures are larger than the diameter of the coil.