CN211296423U - Micro motor heat dissipation device - Google Patents

Abstract

The utility model discloses a micro motor heat abstractor, include: the first joint is connected to the shell at one end, protrudes out of the shell at the other end, is communicated with the inside of the shell and leads to the wind impeller; one end of the second joint is connected to the other end of the first joint; the spiral bent pipe is sleeved on the shell, one end of the spiral bent pipe is connected with the second joint, the other end of the spiral bent pipe is closed, and the side wall of the spiral bent pipe is provided with a plurality of air holes; and at least four connectors connected between the housing and the spiral bend separating the spiral bend from the housing; therefore, the technical problem of poor heat dissipation effect is solved, the technical effect of relatively good heat dissipation effect is achieved, and the practicability is high.

Description

Micro motor heat dissipation device

Technical Field

The utility model relates to a micro motor technical field, specific micro motor heat abstractor that says so.

Background

The micro motor is a motor with small volume and capacity and output power generally below hundreds of watts, has special requirements on use, performance and environmental conditions, is called a micro special motor for short, is commonly used in a control system, realizes the functions of detecting, resolving, amplifying, executing or converting electromechanical signals or energy, is used for transmitting mechanical loads, and can also be used as an alternating current power supply and a direct current power supply of equipment; for example, chinese patent application No. 200920234321.2, the subject name of the patent is a micro dc motor; in specific use, discovery still exists following not enough at least, and traditional micro motor, for the heat dissipation, can usually be in a fan wheel of motor shaft trailing end connection, through the motor shaft rotation, linkage fan wheel for the circulation of air, the heat is discharged by the through-hole on the housing apron, nevertheless because the fan wheel sets up in the shell, consequently can only accomplish local heat dissipation, radiating effect is not good.

Disclosure of Invention

To the above-mentioned weak point that exists among the correlation technique, the utility model aims at providing a micro motor heat abstractor to solve the not good technical problem of radiating effect among the correlation technique.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a micro-motor heat sink comprising:

the first joint is connected to the shell at one end, protrudes out of the shell at the other end, is communicated with the inside of the shell and leads to the wind impeller;

one end of the second joint is connected to the other end of the first joint;

the spiral bent pipe is sleeved on the shell, one end of the spiral bent pipe is connected with the second joint, the other end of the spiral bent pipe is closed, and the side wall of the spiral bent pipe is provided with a plurality of air holes;

and at least four connectors connected between the housing and the helical bend, separating the helical bend and the housing.

Further: the first joint includes: one end of the first straight pipe is connected to the shell;

the first conical pipe is connected to the other end of the first straight pipe;

and a first flange connected to the first tapered tube.

Further: the second joint includes: a second flange connected to the first flange; and one end of the second pipeline is connected to the second flange, and the other end of the second pipeline is connected with the spiral bent pipe.

Further: the width dimension of the spiral bent pipe after the plane projection from top to bottom is 40-60% of the width dimension of the shell after the plane projection from top to bottom.

Further: the connecting piece is of a block structure, the shape of the connecting piece is square, the lower surface of the connecting piece is connected with the outer wall of the shell in an attaching mode, and the upper surface of the connecting piece is connected with the outer wall of the spiral bent pipe in an attaching mode.

The utility model has the advantages that: compared with the prior art, the heat dissipation device for the micro motor is provided with a first joint, a second joint, a spiral bent pipe and a connecting piece; the first joint is connected to the shell, communicated with the interior of the shell and communicated with the wind impeller; the spiral bent pipe is connected to the outer wall of the shell through a connecting piece; the second joint is connected between the first joint and the spiral elbow; when the micro motor works, the wind impeller rotates to discharge hot wind from two positions, one position is discharged from a through hole on the housing cover plate, the other position passes through the first joint and the second joint and enters the spiral bent pipe to drive the air at the spiral bent pipe to circulate, so that the temperature of the hot wind is reduced, and air flow blows towards the shell to circularly cool the shell while the hot wind is discharged, so that the air at the shell is accelerated to circulate, and the heat dissipation effect is improved; thereby overcome the not good technical problem of radiating effect, reached the air current that can make full use of fan wheel produced, circulated the hot-blast for hot-blast and air mixing cooling, circulate together, improved the velocity of flow of air current, radiating effect better technical effect relatively, the practicality is strong.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is a cross-sectional view of a first joint and a second joint in an embodiment of the invention;

in the figure: 10. the wind turbine comprises a first joint, 20, a second joint, 30, a spiral bent pipe, 40, a connecting piece, 11, a first straight pipe, 12, a first conical pipe, 13, a first flange, 21, a second flange, 22, a second pipeline, 100, a shell and 200, a wind impeller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments;

the utility model relates to a micro motor heat dissipation device, which solves the technical problem of poor heat dissipation effect in the related technology; the air flow cooling device can be manufactured and used, and achieves the positive effects that the air flow generated by the air impeller can be fully utilized, the hot air is circulated, the hot air and the air are fused, cooled and circulated together, the flow velocity of the air flow is improved, and the heat dissipation effect is relatively good; the general idea is as follows:

example (b):

see fig. 1, 2, 3; a micro-motor heat sink comprising:

a first joint 10 having one end connected to the casing 100 and the other end protruding outside the casing 100, communicating with the inside of the casing 100, and leading to the wind impeller 200;

a second joint 20 having one end connected to the other end of the first joint 10;

a spiral elbow 30, which is sleeved on the housing 100, one end of which is connected with the second joint 20, and the other end of which is closed, and the side wall of which is provided with a plurality of air holes;

and at least four connectors 40 connected between the housing 100 and the helical bend 30, separating the helical bend 30 from the housing 100;

specifically, in practice, a first joint 10, a second joint 20, a helical bend 30 and a connector 40 are provided; the first joint 10 is connected to the casing 100 and communicates with the interior of the casing 100, leading to the wind impeller 200; the spiral elbow 30 is connected to the outer wall of the housing 100 by a connector 40; the second joint 20 is connected between the first joint 10 and the helical bend 30; when the micro motor works, the wind impeller 200 rotates to discharge hot wind from two positions, one position is discharged from a through hole on the housing cover plate 300, the other position passes through the first joint 10 and the second joint 20 to enter the spiral bent pipe 30 to drive the air at the spiral bent pipe 30 to circulate, so that the temperature of the hot wind is reduced, and the air flow blows towards the shell 100 to circularly cool the shell 100 while discharging the hot wind, so that the air at the shell 100 is accelerated to circulate, and the heat dissipation effect is improved; the technical problem of poor heat dissipation effect is solved, the air flow generated by the air impeller can be fully utilized, the hot air is circulated, the hot air and the air are mixed, cooled and circulated together, the flow rate of the air flow is improved, and the technical effect of relatively good heat dissipation effect is achieved;

the following is a detailed description of the respective constituent elements and the connection relationship:

specifically, in fig. 1, 2, and 3, the first joint 10 includes: a first straight pipe 11 having one end connected to the housing 100; a first tapered pipe 12 connected to the other end of the first straight pipe 11; and a first flange 13 connected to the first tapered tube 12; in implementation, one end of the first straight pipe 11 is welded with the shell 100, and the other end is welded with the first conical pipe 12; the first flange 13 is welded with the first conical pipe 12; the first straight pipe 11, the first tapered pipe 12 and the first flange 13 form an installation platform of the second joint 20 after being combined, and meanwhile, the tapered structure of the first tapered pipe 12 has the function of improving the flow rate of hot air, so that the hot air can be smoothly led out and mixed with air outside the shell 100;

the second joint 20 includes: a second flange 21 connected to the first flange 13; and a second pipe 22 having one end connected to the second flange 21 and the other end connected to the spiral bent pipe 30; when the pipeline connecting device is implemented, the second pipeline 22 is formed by assembling and welding a straight pipe and a bent pipe, then the straight pipe is welded with the second flange 21, sealant is coated between the second flange 21 and the first flange 13 or a sealing pad is arranged on the first flange, and then an outer hexagonal bolt penetrates through the second flange and the first flange to be connected, so that the first joint 10 and the second joint 20 can be reliably connected, and the installation and the disassembly are very convenient;

in implementation, the spiral bent pipe 30 generally adopts a section of straight pipe, air outlets are uniformly machined on the straight pipe, and then the spiral bent pipe is bent into a spiral structure by adopting a pipe bending machine, can be sleeved on the shell 100 and is convenient to install; the width dimension of the spiral bent pipe 30 after planar projection from top to bottom is 40% -60%, preferably 60%, of the width dimension of the shell 100 after planar projection from top to bottom, and the dimension control can ensure that the contact area of the airflow and the shell 100 is large, and the heat dissipation and air cooling effects are ensured;

in implementation, the connecting piece 40 is a block-shaped structure, the shape is tetragonal, the lower surface is welded to the outer wall of the housing 100, and the upper surface is welded to the outer wall of the spiral bent pipe 30, so that the spiral bent pipe 30 is positioned, and the spiral bent pipe 30 can be supported, so that the spiral bent pipe 30 is separated from the housing 100, the airflow circulation is facilitated, and the heat dissipation effect is ensured;

specifically, in fig. 1 and 2, the housing 100, the impeller 200 and the housing cover 300 are the structures of the prior art described in the background, and those skilled in the art can directly and unambiguously know how to arrange the structures without creative labor and undue experimentation after seeing the disclosure of the present invention;

the utility model discloses a theory of operation: in practice, a first joint 10, a second joint 20, a spiral bend 30 and a connecting piece 40 are provided; the first joint 10 is connected to the casing 100 and communicates with the interior of the casing 100, leading to the wind impeller 200; the spiral elbow 30 is connected to the outer wall of the housing 100 by a connector 40; the second joint 20 is connected between the first joint 10 and the helical bend 30; at micro motor during operation, wind impeller 200 is rotatory for hot-blast by two discharge, one is discharged by the through-hole on the housing apron 300, another department is through first joint 10, pass through second joint 20 again, get into spiral bend 30, drive the circulation of air of spiral bend 30 department, hot-blast temperature has been reduced, when discharging hot-blast, have the air current to blow to shell 100, carry out circulation cooling to shell 100, make the circulation of air of shell 100 department with higher speed, radiating effect has been improved.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the positional relationships illustrated in the drawings, and are only for convenience of describing the present invention or simplifying the description, but do not indicate specific orientations that must be provided; the operation processes described in the embodiments are not absolute use steps, and may be adjusted accordingly when actually used.

Unless defined otherwise, technical or 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 use of "first," "second," and the like in the description and in the claims does not denote any order, quantity, or importance, but rather the terms "a" and "an" and the like are used to distinguish one element from another, and likewise, do not denote an absolute limitation of quantity, but rather denote the presence of at least one of the referenced item, as may be determined by reference to the example.

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 (5)

1. A heat dissipation device for a micro motor is characterized by comprising:

a first joint (10) having one end connected to the casing (100) and the other end protruding outside the casing (100), communicating with the inside of the casing (100), leading to the wind impeller (200);

a second joint (20) having one end connected to the other end of the first joint (10);

the spiral bent pipe (30) is sleeved on the shell (100), one end of the spiral bent pipe is connected with the second joint (20), the other end of the spiral bent pipe is closed, and a plurality of air holes are formed in the side wall of the spiral bent pipe;

and at least four connectors (40) connected between the housing (100) and the helical bend (30) separating the helical bend (30) from the housing (100).

2. The heat sink for micro-motor according to claim 1, wherein: the first joint (10) comprises: a first straight pipe (11) with one end connected to the housing (100);

a first tapered pipe (12) connected to the other end of the first straight pipe (11);

and a first flange (13) connected to the first tapered tube (12).

3. The heat sink for micro-motor according to claim 2, wherein: the second joint (20) comprises: a second flange (21) connected to the first flange (13); and a second pipeline (22) having one end connected to the second flange (21) and the other end connected to the spiral bend (30).

4. The heat sink for micro-motor according to claim 1, wherein: the width dimension of the spiral bent pipe (30) after plane projection from top to bottom is 40% -60% of the width dimension of the shell (100) after plane projection from top to bottom.

5. The heat sink for micro-motor according to claim 1, wherein: the connecting piece (40) is of a block structure, the shape of the connecting piece is tetragonal, the lower surface of the connecting piece is attached to the outer wall of the shell (100), and the upper surface of the connecting piece is attached to the outer wall of the spiral bent pipe (30).

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