CN210444131U

CN210444131U - Direct current motor with external heat dissipation device

Info

Publication number: CN210444131U
Application number: CN201921198360.1U
Authority: CN
Inventors: 陶加山; 陶金; 姚宏昌; 张�荣
Original assignee: Jiangsu Jinfeng Electrical Co ltd
Current assignee: Jiangsu Jinfeng Electrical Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-01
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a direct current motor with an external heat dissipation device in the technical field of motor heat dissipation equipment, which comprises a box body, wherein a connecting block is connected in a sliding way in a mounting groove, four groups of connecting blocks are connected with a direct current motor at opposite ends, the motor is started when the direct current motor stops to dissipate heat, the motor can drive a fan blade to rotate, the fan blade rotates to suck the air on the outer wall into a connecting shell through a wind-collecting cover, a semiconductor refrigerating sheet in the inner cavity of the connecting shell cools the air, then the cooled air is blown into the inner cavity of the box body by the fan blade to cool the direct current motor, the direct current motor is separated from a connecting ring by the connecting block, the low-temperature air can pass through a gap between the connecting ring and the direct current motor, the heat dissipation effect on the direct current motor is improved, and when the direct current motor runs, the blade fan rotating at the, therefore, the motor can be turned off when the direct current motor runs, and the purpose of saving energy is achieved.

Description

Direct current motor with external heat dissipation device

Technical Field

The utility model relates to a motor heat dissipation equipment technical field specifically is a direct current motor with outside heat abstractor.

Background

At present, a fan is usually additionally arranged for heat dissipation of a direct current motor, the fan accelerates the air circulation speed near the direct current motor to dissipate heat, but the heat dissipation effect of a simple fan is not ideal, the fan can generate heat when running for a long time, the service life of the fan is greatly reduced, and the heat dissipation cost is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current motor with outside heat abstractor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a direct current motor with an external heat dissipation device comprises a box body, wherein the right sides of the inner walls of the top and the bottom of the box body are respectively provided with a sliding groove, a left group of movable plates and a right group of movable plates are connected in the sliding groove in a sliding manner, one opposite sides of the two groups of movable plates on the upper side and the lower side are connected with a connecting ring, a positioning bolt is arranged at the center of the outer wall of the top of the connecting ring at the top and extends to the outer wall of the top of the box body, the inner wall of the connecting ring is annularly arrayed with four groups of mounting grooves, connecting blocks are connected in the mounting grooves in a sliding manner, one opposite ends of the four groups of connecting blocks are connected with a direct current motor, the outer walls of the two groups of connecting blocks on the front side and the rear, the heat dissipation end of semiconductor refrigeration piece is located the connecting shell outside, the connecting shell left end is connected with the air-collecting cover, the left end of air-collecting cover top and bottom inner wall all is provided with the recess, and the joint has the orifice plate in two sets of recesses, the orifice plate left and right sides is provided with dust screen and motor respectively, the right side output of motor is provided with the flabellum through the shaft coupling.

Further, the outer wall of the movable plate is evenly provided with heat dissipation holes which are communicated left and right, the thickness of the connecting block is one fifth of the inner diameter of the connecting ring, and the height of the movable plate is one fifth of the height of the box body.

Furthermore, two adjacent groups of semiconductor chilling plates are arranged in a vertically staggered mode, and the distance between the two adjacent groups of semiconductor chilling plates is three centimeters to five centimeters.

Furthermore, the right end of the connecting shell extends to the inner cavity of the box body, and the width of the cross section of the connecting shell is larger than the diameter of the connecting ring.

Furthermore, the wind-collecting cover is funnel-shaped, and the diameter of the left end of the wind-collecting cover is smaller than that of the right end of the wind-collecting cover.

Compared with the prior art, the beneficial effects of the utility model are that: the motor is started when the direct current motor stops running and needs heat dissipation, the motor can drive the fan blades to rotate, the fan blades rotate to suck outer wall air into the connecting shell through the air collecting cover, the semiconductor refrigerating sheet in the inner cavity of the connecting shell cools the outer wall air, then the fan blades blow the cooled air into the inner cavity of the box body to cool the direct current motor, the air in the inner cavity of the box body is discharged through the right side of the box body under the blowing of the fan blades, the direct current motor and the connecting ring are separated by the connecting block, low-temperature air can pass through a gap between the connecting ring and the direct current motor, the heat dissipation effect on the direct current motor is improved, when the direct current motor runs, the blade fan rotating at the left end of the direct current motor can suck the air through the air collecting cover to dissipate heat, the motor can be closed when the direct current.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the connection between the movable plate and the connection ring of the present invention.

In the figure: 1. a box body; 2. a chute; 3. a movable plate; 4. a connecting ring; 5. positioning the bolt; 6. mounting grooves; 7. connecting blocks; 8. a direct current motor; 9. screwing the screw; 10. heat dissipation holes; 11. a connecting shell; 12. a semiconductor refrigeration sheet; 13. a wind collecting cover; 14. an orifice plate; 15. a motor; 16. a fan blade; 17. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a direct current motor with an external heat dissipation device, which has the advantages of good heat dissipation effect and convenient assembly, please refer to fig. 1-2, which comprises a box body 1, wherein the right sides of the top and bottom inner walls of the box body 1 are both provided with a sliding groove 2, the sliding groove 2 is connected with a left and a right sets of movable plates 3 in a sliding way, the opposite sides of the upper and the lower sets of movable plates 3 on the same side are connected with a connecting ring 4, the center of the top outer wall of the top connecting ring 4 is provided with a positioning bolt 5, the top of the positioning bolt 5 extends to the top outer wall of the box body 1, the annular array of the inner wall of the connecting ring 4 is provided with four sets of mounting grooves 6, the connecting blocks 7 are connected in the mounting grooves 6 in a sliding way, the opposite ends, when the direct current motor is installed, firstly, the connecting block 7 on the outer wall of the direct current motor 8 is inserted into the installing groove 6 arranged on the inner wall of the connecting ring 4 in an aligning manner, then the screwing screw 9 is screwed in, so that the direct current motor 8 is fixed in the connecting ring 4, then the movable plate 3 is inserted into the sliding groove 2 in an aligning manner, and at the moment, the positioning bolt 5 is screwed in, so that the connecting ring 4 is fixed in the inner cavity of the box body 1;

referring to fig. 1-2, the left end of the box body 1 is connected with a connecting shell 11 in a clamping manner, the top and bottom inner walls of the connecting shell 11 are provided with semiconductor refrigerating sheets 12, the heat dissipating end of the semiconductor refrigerating sheet 12 is positioned outside the connecting shell 11, the left end of the connecting shell 11 is connected with a wind collecting cover 13, the left ends of the top and bottom inner walls of the wind collecting cover 13 are provided with grooves, two groups of grooves are internally provided with pore plates 14 in a clamping manner, the left and right sides of the pore plates 14 are respectively provided with a dust screen 17 and a motor 15, the right output end of the motor 15 is provided with fan blades 16 through a coupler, the motor 15 drives the fan blades 16 to rotate during heat dissipation, the fan blades 16 rotate to suck outer wall air into the connecting shell 11 through the wind collecting cover 13, the semiconductor refrigerating sheets 12 in the inner cavity of the connecting shell 11 cool the connecting shell, then the fan blades 16 blow the cooled air into the inner cavity of the box body 1 to cool, and connecting block 7 separates direct current motor 8 and go-between 4, and the space between low temperature air accessible go-between 4 and direct current motor 8 passes through, has improved the radiating effect to direct current motor 8.

Referring to fig. 1, heat dissipation holes 10 are uniformly formed in the outer wall of the movable plate 3, and the heat dissipation holes 10 are left through right through-going, so that low-temperature air can flow out through the heat dissipation holes 10, and hot air generated by the operation of the direct current motor 8 in the inner cavity of the box body 1 is squeezed to the right end to be discharged, the thickness of the connecting block 7 is one fifth of the inner diameter of the connecting ring 4, gaps between the connecting block 7 and the direct current motor 8 and between the box body 1 and the connecting ring 4 are increased, so that the air flow passing through the gaps can be increased, the heat dissipation effect on the direct current motor 8.

Referring to fig. 1, two adjacent groups of semiconductor chilling plates 12 are arranged in a staggered manner up and down, so that the circulation speed of air in the inner cavity of the connecting shell 11 is reduced, the cooling effect of the semiconductor chilling plates 12 on the air is improved, and the distance between the two adjacent groups of semiconductor chilling plates 12 is three to five centimeters, so that the flow of the air flowing between the two groups of semiconductor chilling plates 12 is increased.

Referring to fig. 1, the right end of the connection shell 11 extends to the inner cavity of the box body 1, and the cross-sectional width of the connection shell 11 is greater than the diameter of the connection ring 4, so as to avoid collision between the connection shell 11 and the connection ring 4 and the dc motor 8 when the connection shell is inserted.

Referring to fig. 1, the air collecting cover 13 is funnel-shaped, and the diameter of the left end of the air collecting cover 13 is smaller than that of the right end thereof, so that the air inlet of the air collecting cover 13 is far away from the connecting shell 11, thereby preventing the air heated by the heat dissipating end of the semiconductor cooling plate 12 from being sucked.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current motor with outside heat abstractor, includes box (1), its characterized in that: the box body is characterized in that sliding grooves (2) are formed in the right sides of the top and bottom inner walls of the box body (1), a left movable plate and a right movable plate (3) are connected in the sliding grooves (2), a connecting ring (4) is connected to one side, opposite to the movable plate (3), of the upper side and the lower side of the same side, a positioning bolt (5) is arranged in the center of the outer wall of the top of the connecting ring (4), the top of the positioning bolt (5) extends to the outer wall of the top of the box body (1), four groups of mounting grooves (6) are formed in the annular array of the inner wall of the connecting ring (4), connecting blocks (7) are connected in the sliding manner in the mounting grooves (6), a direct current motor (8) is connected to one end, opposite to each other, of the four groups of connecting blocks (7, the utility model discloses a refrigerator, including box (1), connection shell (11) top and bottom inner wall all are provided with semiconductor refrigeration piece (12), the heat dissipation end of semiconductor refrigeration piece (12) is located connection shell (11) outside, connection shell (11) left end is connected with air-collecting cover (13), the left end of air-collecting cover (13) top and bottom inner wall all is provided with the recess, and the joint has orifice plate (14) in two sets of recesses, orifice plate (14) left and right sides is provided with dust screen (17) and motor (15) respectively, the right side output of motor (15) is provided with flabellum (16) through the shaft coupling.

2. The direct current motor with an external heat sink according to claim 1, wherein: the heat dissipation holes (10) which are communicated left and right are uniformly formed in the outer wall of the movable plate (3), the thickness of the connecting block (7) is one fifth of the inner diameter of the connecting ring (4), and the height of the movable plate (3) is one fifth of the height of the box body (1).

3. The direct current motor with an external heat sink according to claim 1, wherein: two adjacent groups of the semiconductor refrigeration pieces (12) are arranged in a vertically staggered mode, and the distance between the two adjacent groups of the semiconductor refrigeration pieces (12) is three to five centimeters.

4. The direct current motor with an external heat sink according to claim 1, wherein: the right end of the connecting shell (11) extends to the inner cavity of the box body (1), and the width of the cross section of the connecting shell (11) is larger than the diameter of the connecting ring (4).

5. The direct current motor with an external heat sink according to claim 1, wherein: the wind collecting cover (13) is funnel-shaped, and the diameter of the left end of the wind collecting cover is smaller than that of the right end of the wind collecting cover.