CN218634634U

CN218634634U - Heat dissipation device for electrical component

Info

Publication number: CN218634634U
Application number: CN202222612960.6U
Authority: CN
Inventors: 刘义昭
Original assignee: Wuxi New Pawo Intelligent Technology Co ltd
Current assignee: Wuxi New Pawo Intelligent Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-14
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a heat abstractor for electrical components relates to electrical components heat dissipation technical field, lacks protective structure for solving current electrical components radiator fan, long-time easy deposition leads to the poor problem of dirt proofness. A fan is arranged in the fan frame, a servo motor is arranged at the upper end of the fan, and the servo motor is connected with the fan through an external motor shaft; further comprising: the dustproof cover is arranged below the fan frame, one side of the dustproof cover is provided with a connecting seat, and the connecting seat and the dustproof cover are of an integral structure; the rotating shaft is arranged inside the connecting seat, penetrates through the connecting seat and is connected with the connecting position in a welding mode, a variable frequency motor mechanism is arranged at one end of the rotating shaft, a ball bearing is arranged outside the rotating shaft, and the rotating shaft is connected with the ball bearing in a rotating mode.

Description

Heat dissipation device for electrical component

Technical Field

The utility model relates to an electrical components heat dissipation technical field specifically is a heat abstractor for electrical components.

Background

The electrical components are elements of a control circuit, and are generally arranged in an electrical control cabinet with a heat dissipation device;

for example, chinese patent No. CN211184658U (component heat dissipation device): the device comprises a pressing block, wherein an open slot is formed in the lower bottom surface of the pressing block, the width of the open slot is consistent with that of a component, the device further comprises a base, the bottom of the pressing block is fixedly connected with the base, a component mounting area is arranged on the base, the width of at least one part of the area of the component mounting area is smaller than the length of the component, and the component mounting area is located at the position, corresponding to the open slot, of the base. When the component is arranged in the area, at least one part of the area of the lower bottom surface of the component can be suspended, so that the heat dissipation efficiency of the bottom of the component can be improved; the press block of the utility model is in small clearance fit with the components, so that the components can be cooled in a physical contact mode; there is cellular aperture and briquetting top to have the radiator on the briquetting side, thereby can increase the utility model discloses a heat radiating area further improves the utility model discloses a radiating efficiency.

However, the existing electric component cooling fan lacks a protective structure, and is easy to accumulate dust for a long time, so that the dust resistance is poor; therefore, the existing requirements are not met, and a heat dissipation device for an electrical component is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat abstractor for electrical components to solve the current electrical components radiator fan that provides in the above-mentioned background art and lack protective structure, long-time easy deposition leads to the poor problem of dirt resistance.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation device for an electrical component, comprising: the fan rack is internally provided with a fan, the upper end of the fan is provided with a servo motor, and the servo motor is connected with the fan through an external motor shaft;

further comprising:

the dustproof cover is arranged below the fan frame, one side of the dustproof cover is provided with a connecting seat, and the connecting seat and the dustproof cover are of an integral structure;

the rotating shaft is arranged inside the connecting seat, penetrates through the connecting seat and is connected with the connecting seat in a welding mode.

Preferably, one end of the rotating shaft is provided with a variable frequency motor mechanism, a ball bearing is arranged outside the rotating shaft, and the rotating shaft is rotatably connected with the ball bearing.

Preferably, one side of ball bearing is provided with the bearing frame, one side of inverter motor mechanism is provided with the motor cabinet, and the both sides of bearing frame and motor cabinet all are provided with threaded fastener, and bearing frame and motor cabinet pass through threaded fastener and all with switch board inner wall threaded connection.

Preferably, the outer wall of the upper end of the fan frame is provided with a fixing piece, the fixing piece and the fan frame are of an integral structure, one end of the fixing piece is provided with a cross screw, and the fixing piece is in threaded connection with the inner wall of the control cabinet through the cross screw.

Preferably, the upper end surface and the lower end surface of the fan frame are both provided with a protective frame, the protective frame and the fan frame are of an integrated structure, the outer surface of the fan frame is provided with air holes, and the air holes and the fan frame are of an integrated structure.

Preferably, the inside of shield is provided with dustproof chamber, and dustproof chamber and shield structure as an organic whole, dustproof chamber is one end open-ended form.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the shield in the fan casing outside, the shield relies on the connecting seat to rotate with the axis of rotation, relies on inverter motor mechanism to drive the axis of rotation and rotates to realize that the shield rotates, protect the fan casing outside, thereby play dustproof effect, avoid the deposition, improve dustproof performance, guarantee later stage can normal use, in needs radiating, rotate open the shield can, simple and convenient.

2. Through set up bearing frame and motor cabinet respectively on one side at ball bearing and inverter motor mechanism, ball bearing and inverter motor mechanism rely on bearing frame and the external threaded fastener of motor cabinet and switch board inner wall threaded connection respectively, and convenient to detach shield improves the convenience.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the fan case and the dust cover of the present invention;

FIG. 3 is a schematic view of the front view structure of the ball bearing and variable frequency motor mechanism of the present invention;

in the figure: 1. a fan case; 2. a dust cover; 3. a connecting seat; 4. a rotating shaft; 5. a variable frequency motor mechanism; 6. a ball bearing; 7. air holes are formed; 8. a fixing sheet; 9. a cross screw; 10. a dust-proof cavity; 11. a fan; 12. a servo motor; 13. a protective frame; 14. a bearing seat; 15. a motor base; 16. a threaded fastener.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a heat dissipation device for an electrical component, comprising: the fan comprises a fan frame 1, wherein a fan 11 is arranged inside the fan frame 1, a servo motor 12 is arranged at the upper end of the fan 11, and the servo motor 12 is connected with the fan 11 through an external motor shaft;

further comprising:

the dustproof cover 2 is arranged below the fan frame 1, one side of the dustproof cover 2 is provided with a connecting seat 3, and the connecting seat 3 and the dustproof cover 2 are of an integral structure;

and a rotation shaft 4 which is provided inside the connection seat 3, and the rotation shaft 4 penetrates through the connection seat 3, and the connection part of the rotation shaft 4 and the connection seat 3 is welded.

Please refer to fig. 1, one end of the rotating shaft 4 is provided with a variable frequency motor mechanism 5, a ball bearing 6 is arranged outside the rotating shaft 4, and the rotating shaft 4 is rotatably connected with the ball bearing 6, the rotating shaft 4 is driven to rotate by the variable frequency motor mechanism 5, so that the rotation of the dust cover 2 is realized, the outside of the fan frame 1 is protected, the dust prevention effect is achieved, when heat dissipation is needed, the dust cover 2 can be rotated to open, and the fan frame is simple and convenient.

Referring to fig. 3, a bearing seat 14 is arranged on one side of the ball bearing 6, a motor base 15 is arranged on one side of the variable frequency motor mechanism 5, threaded fasteners 16 are arranged on two sides of the bearing seat 14 and the motor base 15, and the bearing seat 14 and the motor base 15 are in threaded connection with the inner wall of the control cabinet through the threaded fasteners 16, so that the ball bearing 6 and the variable frequency motor mechanism 5 are conveniently fixed with the control cabinet.

Referring to fig. 1, a fixing piece 8 is disposed on an outer wall of an upper end of the fan case 1, the fixing piece 8 and the fan case 1 are integrated, a cross screw 9 is disposed at one end of the fixing piece 8, and the fixing piece 8 is in threaded connection with an inner wall of the control cabinet through the cross screw 9, so that the fan case 1 and the control cabinet can be conveniently fixed.

Referring to fig. 2, the upper and lower end surfaces of the fan case 1 are provided with the protection frames 13, the protection frames 13 and the fan case 1 are integrated, the outer surface of the fan case 1 is provided with the air holes 7, the air holes 7 and the fan case 1 are integrated, and the fan case 1, the protection frames 13, the air holes 7, the fan 11 and the servo motor 12 form a fan heat dissipation mechanism for performing heat dissipation processing on the electrical components installed inside the control cabinet.

Referring to fig. 2, a dust-proof cavity 10 is disposed inside the dust-proof cover 2, the dust-proof cavity 10 and the dust-proof cover 2 are integrated, the dust-proof cavity 10 is open at one end, and the dust-proof cover 2 wraps the fan case 1 by means of the dust-proof cavity 10, so that dust accumulation is avoided, and the cleanness is improved.

The working principle is as follows: during the use, ball bearing 6 and inverter motor mechanism 5 rely on bearing frame 14 and motor cabinet 15 and switch board inner wall threaded connection respectively, by fan frame 1, protection frame 13, bleeder vent 7, fan heat dissipation mechanism that fan 11 and servo motor 12 are constituteed relies on stationary blade 8 and cross screw 9 and switch board inner wall threaded connection, servo motor 12 is connected with fan 11 through external motor shaft, thereby drive fan 11 and rotate, carry out the heat dissipation to installing the electric components and parts inside the switch board, when not using, it rotates to rely on inverter motor mechanism 5 to drive axis of rotation 4, thereby realize shield 2 and rotate, protect fan frame 1 outside, thereby play dustproof effect, when needing the heat dissipation, rotate open shield 2 can, and is simple and convenient.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A heat dissipation device for an electrical component comprises a fan frame (1), wherein a fan (11) is arranged inside the fan frame (1), a servo motor (12) is arranged at the upper end of the fan (11), and the servo motor (12) is connected with the fan (11) through an external motor shaft;

the method is characterized in that: further comprising:

the dustproof cover (2) is arranged below the fan frame (1), one side of the dustproof cover (2) is provided with a connecting seat (3), and the connecting seat (3) and the dustproof cover (2) are of an integral structure;

the rotating shaft (4) is arranged inside the connecting seat (3), the rotating shaft (4) penetrates through the connecting seat (3), and the connecting part of the rotating shaft (4) and the connecting seat (3) is connected in a welding mode.

2. A heat sink for an electrical component as claimed in claim 1, wherein: one end of the rotating shaft (4) is provided with a variable frequency motor mechanism (5), a ball bearing (6) is arranged outside the rotating shaft (4), and the rotating shaft (4) is rotatably connected with the ball bearing (6).

3. A heat dissipating device for an electrical component as claimed in claim 2, wherein: one side of ball bearing (6) is provided with bearing frame (14), one side of inverter motor mechanism (5) is provided with motor cabinet (15), and the both sides of bearing frame (14) and motor cabinet (15) all are provided with threaded fastener (16), and bearing frame (14) and motor cabinet (15) all with switch board inner wall threaded connection through threaded fastener (16).

4. A heat dissipating device for an electrical component as claimed in claim 1, wherein: the fan rack is characterized in that a fixing piece (8) is arranged on the outer wall of the upper end of the fan rack (1), the fixing piece (8) and the fan rack (1) are of an integrated structure, a cross screw (9) is arranged at one end of the fixing piece (8), and the fixing piece (8) is in threaded connection with the inner wall of the control cabinet through the cross screw (9).

5. A heat dissipating device for an electrical component as claimed in claim 1, wherein: the fan rack is characterized in that the upper end surface and the lower end surface of the fan rack (1) are respectively provided with a protection frame (13), the protection frames (13) and the fan rack (1) are of an integrated structure, the outer surface of the fan rack (1) is provided with air holes (7), and the air holes (7) and the fan rack (1) are of an integrated structure.

6. A heat dissipating device for an electrical component as claimed in claim 1, wherein: the dustproof cover is characterized in that a dustproof cavity (10) is formed in the dustproof cover (2), the dustproof cavity (10) and the dustproof cover (2) are of an integrated structure, and the dustproof cavity (10) is of an open end.