CN212011544U

CN212011544U - High-efficient heat dissipation brush

Info

Publication number: CN212011544U
Application number: CN202020466867.7U
Authority: CN
Inventors: 崔树刚
Original assignee: Liaoning Qiming Automobile Electrical Appliances Co ltd
Current assignee: Liaoning Qiming Automobile Electrical Appliances Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-24
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a high-efficient heat dissipation brush has solved the poor problem of motor brush radiating effect, and its technical scheme main points are: the main part including the brush, the inside radiator wire that is provided with of main part, radiator wire evenly distributed in the main part, the main part front end be provided with the brush head, the main part afterbody be provided with the fluting, radiator wire one end be located brush head, and the radiator wire extends to brush head surface, the radiator wire other end passes the main part and is located the fluting, the part that the radiator wire is located the fluting buckle along the fluting direction, the fluting in radiator wire outside be provided with the heat absorption clamp plate, the heat absorption clamp plate be provided with the heat conduction strip outward, the heat conduction strip be provided with the heating panel outward, be provided with the connecting plate between each heat conduction strip. The purposes of high-efficiency heat dissipation and effective motor components are achieved.

Description

High-efficient heat dissipation brush

Technical Field

The utility model belongs to the technical field of the motor brush, refer in particular to a high-efficient heat dissipation brush.

Background

The brush motor operates by matching a fixed brush with a commutator or a collecting ring, and carries out current transmission between a rotating circuit of a rotor and an external fixed circuit in the working process, and the brush motor comprises a direct current motor with a brush and a commutator, a direct current generator with a brush and a commutator and an alternating current generator with a rotor excited by the collecting ring, but the above structure has the following problems:

when the rotating commutator or slip ring rotates at a higher speed than the stationary brush, the friction generates more heat, and when the brush supplies a higher current, the contact resistance between the brush and the commutator or slip ring causes the brush to have an excessively high temperature. The heat generated by the electric brush is mainly gathered at the working part where the commutator or the collecting ring is contacted with the electric brush, namely the brush head part of the electric brush, and the heat is conducted to the tail part of the electric brush from the high-temperature area of the contact part by the temperature difference gradient to dissipate the heat to the outside.

Most of the materials of the electric brush are pressed by graphite, the heat conduction capability of the graphite is lower than that of metal, the heat resistance is larger, the temperature difference gradient is larger, the heat of the brush head is not easy to dissipate, the accumulated heat can cause the service life of the electric brush to be shortened and even the electric brush to burn, and meanwhile, the surface of a commutator or a collecting ring contacted with the electric brush head at high temperature can be oxidized and even ablated.

Disclosure of Invention

The utility model aims at providing a can high-efficient heat dissipation and effectively protect motor element's brush to prior art exists not enough.

The purpose of the utility model is realized like this: the utility model provides a high-efficient heat dissipation brush, includes the main part of brush, the inside radiator wire that is provided with of main part, radiator wire evenly distributed in the main part, the main part front end be provided with the brush head, the main part afterbody be provided with the fluting, radiator wire one end be located the brush head, and radiator wire extends to brush head surface, the radiator wire other end passes the main part and is located the fluting, the part that radiator wire is located the fluting buckle along the fluting direction, the fluting in radiator wire outside be provided with the heat absorption clamp plate, the heat absorption clamp plate be provided with the heat conduction strip outward, the heat conduction strip be provided with the heating panel outward, be provided with the connecting plate between each heat conduction strip.

The utility model discloses further optimize to: the heat dissipation plate is vertically arranged outside the heat conduction strip.

The utility model discloses further optimize to: the heat absorption pressing plate and the heat conduction strip are of an integrated structure.

The utility model discloses further optimize to: the section of the heat absorption pressing plate is trapezoidal, and one side with a larger area is in contact with the heat dissipation wire.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the utility model discloses inside buries many radiator wires with regard to evenly distributed, can effectively produce the heat conduction of side to the main part afterbody with the brush head, conducts to the outside through the heating panel, simultaneously, radiator wire one end is buckled and is located the fluting, has increased the area of contact with the heat absorption layering, greatly increased heat conduction effect, and the connecting plate main part contacts simultaneously, can further increase the radiating effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is an enlarged schematic view at a in fig. 3.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions of the embodiments of the present invention are described below in detail and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

The embodiment provides a high-efficiency heat dissipation brush, which comprises a main body 1 of the brush, wherein the main body is a graphite brush, a heat dissipation wire 2 is arranged in the main body, the heat dissipation wire is a copper metal wire with a good heat conduction effect, the heat dissipation wire is uniformly distributed in the main body, a brush head 3 is arranged at the front end of the main body, the brush head and the main body are of an integrated structure and are used for being connected with a collector ring of a motor, a slot 4 which is uniformly distributed is formed in the tail of the main body, one end of the heat dissipation wire is positioned in the brush head, the heat dissipation wire extends to the surface of the brush head, the other end of the heat dissipation wire penetrates through the main body and is positioned in the slot, the heat dissipation wire is linearly distributed in the main body, the part of the heat dissipation wire positioned in the slot is bent along the slot direction, an aluminum heat absorption pressing strip 5 is arranged outside the heat dissipation, and one side of a large area is contacted with the heat-dissipating wire, by adopting the structure, the contact area of the heat-dissipating wire and the heat-absorbing pressing strip can be increased by the bent heat-dissipating wire, the heat-absorbing effect is increased, the heat-absorbing pressing strip is externally provided with the heat-conducting strip 6, the heat-absorbing pressing strip and the heat-conducting strip are of an integrated structure, the heat-conducting strip is externally provided with the heat-dissipating plate 7, the heat-dissipating plate is vertically arranged outside the heat-conducting strip, the heat-dissipating plate and the heat-conducting strip are of a structure, the heat-dissipating plate can effectively dissipate heat, the connecting plates 8 are arranged between the heat-conducting strips, the connecting plates are welded and connected with the side faces of.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Claims

1. The utility model provides a high-efficient heat dissipation brush, includes the main part of brush, its characterized in that, the inside heat dissipation silk that is provided with of main part, heat dissipation silk evenly distributed in the main part, the main part front end be provided with the brush head, the main part afterbody be provided with evenly distributed's fluting, heat dissipation silk one end be located brush head, and the heat dissipation silk extends to brush head surface, the heat dissipation silk other end passes the main part and is located the fluting, the part that the heat dissipation silk is located the fluting buckle along the fluting direction, the fluting in the heat dissipation silk outside be provided with the heat absorption layering, the heat absorption layering be provided with the heat conduction strip outward, the heat conduction strip be provided with the heating panel outward, be provided with the connecting plate between each heat.

2. The brush for dissipating heat efficiently according to claim 1, wherein the heat dissipating plate is vertically installed outside the heat conductive strip.

3. The brush of claim 1, wherein the heat absorbing and dissipating ribs are integrally formed with the heat conducting ribs.

4. The brush for dissipating heat efficiently according to claim 1, wherein the heat absorbing beads have a trapezoidal cross section, and one side of a larger area is in contact with the heat dissipating wire.