CN214012699U

CN214012699U - Reactor and air conditioner

Info

Publication number: CN214012699U
Application number: CN202023020140.5U
Authority: CN
Inventors: 邓谷城; 章文凯; 谢鸣静; 李薛山; 钟诗豪
Original assignee: GD Midea Air Conditioning Equipment Co Ltd; Foshan Shunde Midea Electric Science and Technology Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd; Foshan Shunde Midea Electric Science and Technology Co Ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-20
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a reactor and air conditioner, reactor include: the winding device comprises an iron core assembly, a winding device and a control system, wherein the iron core assembly comprises a first iron core and a second iron core, the first iron core and the second iron core are matched to limit a plurality of winding posts, air gaps are formed in the surfaces, facing each other, of the first iron core and the second iron core, at least one winding post comprises at least one notch, and the notch penetrates through the winding posts; a first filler filled in the cutout to at least reduce the air gap, the first filler being of a different material than the material of the winding post. From this, through setting up first filler, compare with prior art, can reduce the air gap between first iron core and the second iron core, can reduce the magnetic leakage between first iron core and the second iron core to can effectively improve the phenomenon of magnetic leakage between first iron core and the second iron core, and then can reduce the noise of reactor during operation, avoid arousing user complaints.

Description

Reactor and air conditioner

Technical Field

The utility model belongs to the technical field of air treatment equipment and specifically relates to a reactor and have air conditioner of this reactor is related to.

Background

Among the correlation technique, be provided with the reactor in the air conditioner, the reactor includes first iron core and second iron core, has the clearance between first iron core and the second iron core, has the phenomenon of magnetic leakage between the clearance of first iron core and second iron core, leads to the noise to appear in the reactor during operation, causes the user to complain easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a reactor, reactor can reduce the air gap between first iron core and the second iron core, can reduce the magnetic leakage between first iron core and the second iron core to can effectively improve the phenomenon of magnetic leakage between first iron core and the second iron core, and then can reduce the noise of reactor during operation.

The utility model discloses an air conditioner is further proposed.

According to the utility model discloses a reactor includes: the winding device comprises an iron core assembly, a winding device and a control system, wherein the iron core assembly comprises a first iron core and a second iron core, the first iron core and the second iron core are matched to limit a plurality of winding posts, air gaps are formed in the surfaces, facing each other, of the first iron core and the second iron core, at least one winding post comprises at least one notch, and the notch penetrates through the winding posts; a first filler filled in the cutout to at least reduce the air gap, the first filler being of a different material than the material of the winding post.

According to the utility model discloses a reactor, through setting up first filler, compare with prior art, can reduce the air gap between first iron core and the second iron core, can reduce the magnetic leakage between first iron core and the second iron core to can effectively improve the phenomenon of magnetic leakage between first iron core and the second iron core, and then can reduce the noise of reactor during operation, avoid arousing user complaints.

In some examples of the invention, the first filler is a magnetic conductive member.

In some examples of the invention, the first filler is ferrite, a ferrite core, sendust, or an amorphous material.

In some examples of the present invention, each of the wrapping posts is provided with the notch, in the extending height of the wrapping post, the notches of the plurality of wrapping posts are located at the same height.

In some examples of the invention, the air gap is filled with a second filler.

In some examples of the invention, the second filler is an insulator.

In some examples of the present invention, the first core is provided with a plurality of spaced-apart winding posts, the second core is formed in a plate shape, each of the winding posts and the second core are provided with the air gap therebetween.

In some examples of the invention, the core assembly includes two side posts, the plurality of winding posts are located two between the side posts, the side posts and the plurality of winding posts cooperate to define the winding slots, at least two of the width of the side posts, the width of the winding slots and the width of the winding posts are the same.

In some examples of the invention, the width of the side posts, the width of the winding slots and the width of the winding posts are the same.

In some examples of the present invention, the side pole has an extension height of F, and the length of the core assembly is a and the width of the side pole is D in the spacing direction of the plurality of winding poles, where a is 2 × F ═ 9 × D.

According to the utility model discloses an air conditioner, including foretell reactor.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a reactor according to an embodiment of the present invention.

Reference numerals:

a reactor 100;

an iron core assembly 10; a first core 11; a second core 12; a winding post 13; an air gap 14; a cut-out 15; a first winding post 16; a second winding post 17; a third winding post 18;

a first filler 20;

side posts 30; a winding slot 40; a second filler 50.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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 invention can be understood in specific cases to those skilled in the art.

A reactor 100 according to an embodiment of the present invention is described below with reference to fig. 1.

As shown in fig. 1, a reactor 100 according to an embodiment of the present invention includes: an iron core assembly 10 and a first filler 20. The core assembly 10 includes a first core 11 and a second core 12, the first core 11 and the second core 12 cooperate to define a plurality of winding posts 13, and surfaces of the first core 11 and the second core 12 facing each other are provided with air gaps 14, for example, as shown in fig. 1, an air gap 14 is provided between a lower surface of the first core 11 and an upper surface of the second core 12. At least one of the winding posts 13 includes at least one notch 15, and the notch 15 penetrates through the winding post 13, and it should be noted that the notches 15 may be provided in all of the plurality of winding posts 13, or the notches 15 may be provided in some of the plurality of winding posts 13. A first filler 20 is filled in the cutout 15 to reduce at least the air gap 14, and the material of the first filler 20 is different from that of the winding post 13.

Wherein, by filling the first filler 20 in the notch 15, the first filler 20 drives the winding post 13 to move toward the core opposite to the winding post 13, the air gap 14 between the surfaces of the first core 11 and the second core 12 facing each other can be reduced or even eliminated, the air leakage inductance between the first core 11 and the second core 12 can be reduced, and thus the noise caused by the leakage inductance when the reactor 100 is operated can be reduced, and thus the complaint of users can be avoided.

Therefore, by providing the first filler 20, compared with the prior art, the air gap 14 between the first core 11 and the second core 12 can be reduced, and the magnetic flux leakage between the first core 11 and the second core 12 can be reduced, so that the phenomenon of the magnetic flux leakage between the first core 11 and the second core 12 can be effectively improved, and further, the noise during the operation of the reactor 100 can be reduced, and the complaint of users can be avoided.

In some embodiments of the present invention, the first filler 20 may be set as a magnetic conductive member, and when the reactor 100 is powered on, the magnetic field intensity generated by the reactor 100 can be ensured by setting the first filler 20 as a magnetic conductive member, so that the working performance of the reactor 100 can be ensured.

In some embodiments of the present invention, the first filler 20 may be configured as ferrite, iron powder core, sendust or amorphous material, and such configuration may realize configuring the first filler 20 as a magnetic conductive member.

In some embodiments of the present invention, each winding post 13 may be provided with a notch 15, and in the extending height of the winding post 13, i.e. for example, in the up-down direction of the winding post 13 as shown in fig. 1, the notches 15 of the plurality of winding posts 13 are located at the same height, and it can also be understood that the notches 15 of the plurality of winding posts 13 are the same in height, so that the structural consistency of the reactor 100 can be improved, the production and manufacturing of the reactor 100 can be facilitated, and the position of the notch 15 on each winding post 13 can also be found conveniently.

In some embodiments of the utility model, can fill in the air gap 14 has second filler 50, and further, second filler 50 can set up to the insulating part, and second filler 50 can fill in air gap 14, so set up and can further reduce the air gap 14 between first iron core 11 and the second iron core 12, can further reduce the magnetic leakage between first iron core 11 and the second iron core 12, thereby can effectively improve the phenomenon of magnetic leakage between first iron core 11 and the second iron core 12 more, and then can further reduce the noise of reactor 100 during operation, avoid arousing user complaints better.

In some embodiments of the present invention, as shown in fig. 1, the first core 11 may be provided with a plurality of winding posts 13 arranged at intervals, the second core 12 may be formed in a plate shape, and an air gap 14 may be provided between each winding post 13 and the second core 12, and it is also understood that an air gap 14 is provided between each winding post 13 and the second core 12. Wherein, in some examples of the present invention, the wrapping post 13 can be set to three, three wrapping post 13 can be spaced apart in the left and right directions in fig. 1, three wrapping post 13 is first wrapping post 16, second wrapping post 17 and third wrapping post 18 respectively, in the left and right directions in fig. 1, second wrapping post 17 is located between first wrapping post 16 and third wrapping post 18, in the up and down directions in fig. 1, the air gap 14 height between first wrapping post 16 and second iron core 12, the air gap 14 height between third wrapping post 18 and second iron core 12 can all set up to H, satisfy the relational expression: h is more than or equal to 0.9 and less than or equal to 1.5mm, preferably H is 1.13mm, the height of the air gap 14 between the second winding post 17 and the second iron core 12 can be set as B, and the relation is satisfied: b is more than or equal to 0.9 and less than or equal to 1.5mm, preferably B is 1.08mm, so that the height of the air gap 14 is proper, and the second filler 50 can be conveniently filled into the air gap 14.

Specifically, the first core 11 and the second core 12 may be cut out of one steel sheet, so that material utilization may be improved.

In some embodiments of the present invention, as shown in fig. 1, the core assembly 10 may include: two side posts 30, a plurality of winding posts 13 are positioned between the two side posts 30, it should be explained that a plurality of winding posts 13 are positioned between the two side posts 30 in the left-right direction in fig. 1, the side posts 30 and the plurality of winding posts 13 cooperate to define a winding slot 40, it should be noted that a winding slot 40 is defined between the side post 30 and the adjacent winding post 13 and between any two adjacent winding posts 13, the winding is wound on the winding posts 13, the winding is wound by 2.0 wires of high temperature (220 degree grade) aluminum wires for 5 layers, each layer of 20Ts, the last layer is wound by 0.5Ts only, the total number of 99.5Ts, if the inductance is insufficient, the number of winding turns can be increased properly, and the total number of turns does not exceed 110 Ts. At least two of the width of the side post 30, the width of the winding slot 40 and the width of the winding post 13 are the same, and the width of the side post 30, the width of the winding slot 40 and the width of the winding post 13 are all in the left-right direction in fig. 1, so that the utilization rate of the iron core material can be improved.

In some embodiments of the present invention, the width of the side pillar 30, the width of the winding slot 40 and the width of the winding post 13 are the same, and it should be explained that the width of the side pillar 30 is the same as the width of the winding slot 40, the width of the side pillar 30 is the same as the width of the winding post 13, and the width of the winding slot 40 is the same as the width of the winding post 13, so that the arrangement can make the width of the side pillar 30, the width of the winding slot 40 and the width of the winding post 13 suitable, and can further improve the utilization rate of the iron core material.

In some embodiments of the present invention, the extending height of the side pillar 30 is F (the extending height direction of the side pillar 30 is the up-down direction in fig. 1), the length of the core assembly 10 is a, the width of the side pillar 30 is D, and the spacing direction of the winding pillars 13 is the left-right direction in fig. 1, where a is 2 × F9 × D, so as to further improve the utilization rate of the core material, for example, so as to improve the utilization rate of the core material to 91%.

Note that the reactor 100 may be composed of 132 pieces of the first core 11 and 132 pieces of the second core 12, the 132 pieces of the first core 11 may be laminated together, and the 132 pieces of the second core 12 may be laminated together to form the reactor 100. The cross-sectional area of the winding leg 13 may be set to 32 × 66mm, and the winding width may be set to 10-15mm, and preferably, the winding width may be set to 12 mm.

According to the utility model discloses the air conditioner, including the reactor 100 of above-mentioned embodiment, reactor 100 sets up on the air conditioner, compares with prior art, can reduce air gap 14 between first iron core 11 and the second iron core 12, can reduce the magnetic leakage between first iron core 11 and the second iron core 12 to can effectively improve the phenomenon of magnetic leakage between first iron core 11 and the second iron core 12, and then can reduce the noise of reactor 100 during operation, make the noise at work of air conditioner reduce, avoid arousing user complaints.

It should be noted that the harmonic suppression circuit of the air conditioner may include a three-phase five-column reactor 100, the load of the air conditioner is to get electricity at the rear end of the three-phase five-column reactor 100, and the input current of the three-phase power supply passes through the filtering action of the three-phase five-column reactor 100, so as to achieve the purpose of improving the three-phase input power factor, and make the input current harmonic content of the three-phase power supply system meet the IEC 1000-3-2 standard. And, the three-phase bridge rectifier input circuit is connected to the rear end of three-phase five-column reactor 100 respectively in series, and neutral line N does not connect reactor 100.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A reactor, characterized by comprising:

the winding device comprises an iron core assembly, a winding device and a control system, wherein the iron core assembly comprises a first iron core and a second iron core, the first iron core and the second iron core are matched to limit a plurality of winding posts, air gaps are formed in the surfaces, facing each other, of the first iron core and the second iron core, at least one winding post comprises at least one notch, and the notch penetrates through the winding posts;

a first filler filled in the cutout to at least reduce the air gap, the first filler being of a different material than the material of the winding post.

2. The reactor according to claim 1, characterized in that the first filler is a magnetically permeable member.

3. The reactor according to claim 1, characterized in that the first filler is ferrite, an iron powder core, sendust, or an amorphous material piece.

4. The reactor according to claim 1, characterized in that each of the winding legs is provided with the cutout, and the cutouts of the plurality of winding legs are located at the same height in an extended height of the winding leg.

5. The reactor according to claim 1, characterized in that a second filler is filled in the air gap.

6. The reactor according to claim 5, characterized in that the second filler is an insulator.

7. The reactor according to any one of claims 1-6, characterized in that the first core is provided with a plurality of the winding legs arranged at intervals, the second core is formed in a plate shape, and the air gap is provided between each of the winding legs and the second core.

8. The reactor according to claim 7, wherein the core assembly includes two side legs, the plurality of winding legs being positioned between the two side legs, the side legs and the plurality of winding legs cooperating to define a winding slot, at least two of the width of the side legs, the width of the winding slot, and the width of the winding legs being the same.

9. The reactor according to claim 8, characterized in that the width of the side posts, the width of the winding slots, and the width of the winding posts are the same.

10. The reactor according to claim 9, wherein the side leg has an extension height F, wherein the core assembly has a length a and a width D in a direction of an interval between the plurality of winding legs, and wherein a is 2 × F or 9 × D.

11. An air conditioner characterized by comprising the reactor according to any one of claims 1 to 10.