CN210839233U

CN210839233U - Heat radiation structure for brushless motor shell

Info

Publication number: CN210839233U
Application number: CN202020056069.7U
Authority: CN
Inventors: 董义鹏; 李明贤; 徐伟
Original assignee: Zibo Zhike Electrical Technology Co ltd
Current assignee: Zibo Zhike Electrical Technology Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-06-23
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a heat radiation structure for brushless motor casing, the on-line screen storage device comprises a base, be equipped with the standing groove in the base, fixedly connected with cooling tube on the base, be equipped with in the cooling tube and separate the water guide chamber, the up end of cooling tube is equipped with fixed cover plate, fixedly connected with laminating bearing on the fixed cover plate is equipped with a plurality of construction bolts on the shown fixed cover plate, be equipped with on the cooling tube and be used for realizing the radiating heat dissipation mechanism of device, be equipped with the one-way water conservancy diversion mechanism that is used for realizing the cooling water circulation in the heat dissipation mechanism, be equipped with in the cooling tube and place the chamber. The utility model discloses it is rational in infrastructure, set up heat dissipation mechanism and realize doing absorption and propagation to the heat that brushless motor operation in-process produced, rotate the heat that the in-process produced with brushless motor and dispel the heat in taking to the air through the fin, realize the one-way circulation of the cooling water in the heat dissipation mechanism through setting up one-way water conservancy diversion mechanism, improve the utilization ratio of cooling water, improve the radiating rate.

Description

Heat radiation structure for brushless motor shell

Technical Field

The utility model relates to a brushless motor heat dissipation technical field especially relates to a heat radiation structure for brushless motor casing.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of heavy load under the condition of frequency conversion and speed regulation, and oscillation and step-out can not be generated when the load suddenly changes. The permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron (Nd-Fe-B) material with high magnetic energy level.

The most common problem of the brushless motor in use is that the current is reduced due to the temperature rise of the brushless motor housing caused by long-time rotating operation, so that the rotating speed of the brushless motor is reduced, and the temperature is too high, which not only affects the rotating speed of the brushless motor, but also is fatal to the service life of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the heat radiation structure for brushless motor casing who proposes, it sets up heat dissipation mechanism and realizes absorbing and propagating the heat that produces among the brushless motor operation process, rotates the heat that the in-process produced with brushless motor and dispels the heat in taking to the air through the fin, through setting up the one-way circulation of the cooling water that one-way water conservancy diversion mechanism realized among the heat dissipation mechanism, improves the utilization ratio of cooling water, improves the radiating rate.

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

the utility model provides a heat radiation structure for brushless motor casing, includes the base, be equipped with the standing groove in the base, fixedly connected with cooling tube on the base, be equipped with in the cooling tube and separate the water guide chamber, the up end of cooling tube is equipped with fixed cover plate, fixedly connected with laminating bearing on the fixed cover plate is equipped with a plurality of construction bolts on the fixed cover plate shown, be equipped with on the cooling tube and be used for realizing the radiating heat dissipation mechanism of device, be equipped with in the heat dissipation mechanism and be used for realizing the one-way water conservancy diversion mechanism of cooling water circulation, be equipped with in the cooling tube and place the chamber, it is equipped with the branch spacer block to place the intracavity, place on the inner wall in chamber a plurality of fixed block mechanisms that are used for realizing brushless motor casing is fixed of fixedly connected with, run through connection has the inlet tube on the.

Preferably, the heat dissipation mechanism comprises a plurality of heat-conducting fins which are fixed on the side wall of the cooling pipe in a penetrating mode, the tail ends of the heat-conducting fins are fixedly connected with expanding heat-conducting blocks, the expanding heat-conducting blocks are arranged in the separated water guide cavities, and the separated water guide cavities are fixedly connected with two symmetrically-arranged partition plates.

Preferably, the one-way water conservancy diversion mechanism is including rotating the one-way flabellum of connection below placing the chamber, the rotation axis end of one-way flabellum rotates the interior bottom of connecting at the standing groove, fixedly connected with one-way gear in the rotation axis, the last one-way cardboard that is equipped with of one-way gear, the end rotation of one-way cardboard is connected with the fixed block, be equipped with reset spring between fixed block and the one-way cardboard.

Preferably, the fixed block mechanism comprises a plurality of cushion blocks fixedly connected to the inner wall of the placing cavity, wherein mounting grooves are formed in the cushion blocks, and two moving rollers are rotatably connected in the mounting grooves.

Preferably, the side wall of the moving roller and the working surface of the one-way clamping plate are both provided with rubber protective layers.

Preferably, the water inlet pipe and the water outlet pipe are externally connected with a cooling water circulating device.

Compared with the prior art, the utility model, its beneficial effect does:

1. the heat dissipation mechanism is arranged to absorb and spread heat generated in the operation process of the brushless motor, and the heat generated in the rotation process of the brushless motor is dissipated into the air through the heat dissipation fins.

2. The unidirectional circulation of the cooling water in the heat dissipation mechanism is realized by arranging the unidirectional flow guide mechanism, the utilization rate of the cooling water is improved, and the heat dissipation rate is improved.

3. Realize placing brushless motor when placing the intracavity through setting up fixed block mechanism, prevent that the shell scotch from influencing the normal use of motor.

Drawings

Fig. 1 is a schematic front view of a heat dissipation structure for a brushless motor housing according to the present invention;

fig. 2 is a schematic top view of a heat dissipation structure for a brushless motor housing according to the present invention;

fig. 3 is a schematic top cross-sectional view of a heat dissipation structure for a brushless motor housing according to the present invention;

fig. 4 is a schematic view of an one-way flow guiding mechanism for a heat dissipation structure of a brushless motor housing according to the present invention.

In the figure: the cooling device comprises a base 1, a cooling pipe 2, a fixed cover plate 3, a mounting bolt 4, a bearing 5 attached to the base, a moving roller 6, a cushion block 7, a mounting groove 8, a placing cavity 9, a water guide cavity 10 separated by a partition plate 10, a heat conducting fin 11, a unidirectional fan blade 12, a water inlet pipe 13, a water outlet pipe 14, a placing groove 15, a unidirectional clamping plate 16, a fixed block 17, a partition block 18, a partition plate 19, an expanded heat conducting block 20 and a unidirectional gear 21.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-4, a heat radiation structure for brushless motor casing, including base 1, be equipped with standing groove 15 in the base 1, fixedly connected with cooling tube 2 on the base 1, be equipped with in the cooling tube 2 and separate water guide chamber 10, the up end of cooling tube 2 is equipped with fixed cover plate 3, fixedly connected with laminating bearing 5 on the fixed cover plate 3, be equipped with a plurality of construction bolts 4 on the fixed cover plate 3 shown, be equipped with the radiating mechanism who is used for realizing the device heat dissipation on cooling tube 2, be equipped with the one-way water conservancy diversion mechanism who is used for realizing the cooling water circulation in the radiating mechanism, be equipped with in the cooling tube 2 and place chamber 9, it is equipped with separation block 18 to place intracavity 9, place on the inner wall of chamber 9 fixedly connected with a plurality of fixed block mechanisms that are used for realizing that brushless motor casing is fixed, through connection has inlet tube 13 on the left side.

The utility model discloses in, heat dissipation mechanism is including running through a plurality of conducting strips 11 of fixing on 2 lateral walls of cooling tube, conducting strip 11's terminal fixedly connected with extends conducting strip 20, extend conducting strip 20 and set up in separating water guide chamber 10, separate division board 19 that two symmetries of fixedly connected with set up in water guide chamber 10, it realizes absorbing and propagating to the heat that brushless motor operation in-process produced to set up heat dissipation mechanism, it dispels the heat to take to the air in through the radiating strip with the heat that brushless motor rotates the in-process production.

One-way water conservancy diversion mechanism is including rotating the one-way flabellum 12 of connection below placing chamber 9, the interior bottom at standing groove 15 is connected in the rotation axis end-to-end rotation of one-way flabellum, fixedly connected with one-way gear 21 in the rotation axis, be equipped with one-way cardboard 16 on the one-

way gear

21, 16 end-to-end rotations of one-way cardboard are connected with fixed block 17, be equipped with reset spring between fixed block 17 and the one-way cardboard 16, realize the one-way circulation of the cooling water in the heat dissipation mechanism through setting up one-way water conservancy diversion.

Fixed block mechanism includes that a plurality of fixed connections are equipped with mounting groove 8 on placing cushion 7 on the 9 inner walls in chamber on cushion 7, and 8 internal rotations in mounting groove are connected with two movements and roll 6, realize placing brushless motor to the normal use that prevents the shell scotch and influence the motor when placing the intracavity through setting up fixed block mechanism.

The side wall of the moving roller 6 and the working surface of the one-way clamping plate 16 are both provided with rubber protective layers, the water inlet pipe 13 and the water outlet pipe 14 are externally connected with a cooling water circulating device, and the circulating application of cooling water is realized by adding the cooling water circulating device.

When the utility model is used, as shown in figure 1, firstly, the external circulating device is respectively connected with the water outlet pipe 14 through the water inlet pipe 13, the motor shell is placed in the placing cavity 9 through the cushion block 7, the moving roller 6 and the mounting groove 8, the fixing cover plate 3 is fixed on the upper end surface of the cooling pipe 2 through the mounting bolt 4, the rotating shaft of the motor passes through the laminating bearing 5, cooling water enters the separating water guiding cavity 10 through the water inlet pipe 13 and absorbs heat generated in the rotating process of the motor, then part of the cooling water is circularly taken away by the cooling water, the other part is conducted to the expanding heat-conducting block 20 and the heat-conducting fins 11 to the outside through the cooling water, the cooling water is separated into two parts by the separating plate 19 and the separating block 18 in the process, the cooling water impacts the one-way fan blades 12 to rotate through kinetic energy, the one-way gear 21 is driven to rotate, the one-, the cooling water after absorbing heat flows out of the separated water guide cavity 10 under the action of the one-way fan blade 12 and then flows into the circulating device through the water outlet pipe 14 to complete one circulation of heat dissipation of the motor shell.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heat dissipation structure for a brushless motor shell comprises a base (1) and is characterized in that a placement groove (15) is arranged in the base (1), a cooling pipe (2) is fixedly connected onto the base (1), a separated water guide cavity (10) is arranged in the cooling pipe (2), a fixed cover plate (3) is arranged on the upper end face of the cooling pipe (2), a laminating bearing (5) is fixedly connected onto the fixed cover plate (3), a plurality of mounting bolts (4) are arranged on the fixed cover plate (3), a heat dissipation mechanism for achieving heat dissipation of the device is arranged on the cooling pipe (2), an one-way flow guide mechanism for achieving cooling water circulation is arranged in the heat dissipation mechanism, a placement cavity (9) is arranged in the cooling pipe (2), a separation block (18) is arranged in the placement cavity (9), and a plurality of fixing block mechanisms for achieving fixing of the brushless motor shell are fixedly connected onto the inner wall of the placement cavity (9), the left side wall of the cooling pipe (2) is connected with a water inlet pipe (13) in a penetrating mode, and the right side wall of the cooling pipe (2) is connected with a water outlet pipe (14) in a penetrating mode.

2. The heat dissipation structure for the brushless motor shell according to claim 1, wherein the heat dissipation mechanism comprises a plurality of heat conducting fins (11) fixed on the side wall of the cooling tube (2) in a penetrating manner, the ends of the heat conducting fins (11) are fixedly connected with expanding heat conducting blocks (20), the expanding heat conducting blocks (20) are arranged in the separated water guide cavity (10), and two symmetrically arranged partition plates (19) are fixedly connected in the separated water guide cavity (10).

3. The heat dissipation structure for the brushless motor shell according to claim 1, wherein the one-way flow guiding mechanism comprises one-way fan blades (12) rotatably connected below the placing cavity (9), ends of rotating shafts of the one-way fan blades are rotatably connected to the inner bottom of the placing groove (15), one-way gears (21) are fixedly connected to the rotating shafts, one-way snap-gauge plates (16) are arranged on the one-way gears (21), fixed blocks (17) are rotatably connected to ends of the one-way snap-gauge plates (16), and return springs are arranged between the fixed blocks (17) and the one-way snap-gauge plates (16).

4. The heat dissipation structure for the motor casing of the brushless motor as claimed in claim 1, wherein the fixing block mechanism comprises a plurality of cushion blocks (7) fixedly connected to the inner wall of the placing cavity (9), the cushion blocks (7) are provided with mounting grooves (8), and two moving rollers (6) are rotatably connected to the mounting grooves (8).

5. The heat dissipation structure for the motor housing of the brushless motor according to claim 4, wherein the side walls of the moving roller (6) and the working surface of the one-way catch plate (16) are provided with rubber protective layers.

6. The heat dissipation structure for the motor housing of the brushless motor as claimed in claim 1, wherein the water inlet pipe (13) and the water outlet pipe (14) are externally connected with a cooling water circulation device.