Controller shell

Abstract

The utility model discloses a controller shell, and belongs to the technical field of controllers. Comprising radiating fins which are uniformly distributed on the upper side surface of a shell; the middle parts of the radiating fins are provided with downward concave parts; the cover plate assembly covers the cooling fins; a round hole penetrating through the cover plate assembly in the thickness direction is formed in the position, opposite to the lower concave part, of the cover plate assembly. The cooling fan is arranged opposite to the circular hole; the driving motor is fixed in the shell; an output shaft of the driving motor penetrates out of the upper side face of the shell and is fixedly connected with the cooling fan. The radiating fins are concave downwards, the two ends of each radiating fin are transited through the inclined faces, the radiating area is increased, the radiating fins are matched with the cover plate assembly to form a radiating channel, the radiating fan is arranged at the position opposite to the round hole, the driving motor is fixed in the shell, sealing and water resistance of the radiating fins are guaranteed, radiating of the radiating fins is achieved through the radiating structure, and the radiating effect is good. The space is saved, and the compactness of the whole structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of controller, specifically relates to a controller shell. BACKGROUND

[0002] With the rapid development of modern electronic technology, as the core component in various electronic devices, the performance and stability of the controller directly relate to the operation efficiency and reliability of the whole system. Under the condition of continuous high load work, the controller will generate a large amount of heat energy, if the heat dissipation treatment cannot be carried out in time and effectively, the internal temperature of the controller will be increased, and then a series of problems may be caused, such as performance decline, stability weakening, and even shortening the service life of the equipment.

[0003] The traditional controller heat dissipation scheme is natural heat dissipation or simple fan heat dissipation, which can play a certain heat dissipation role in some application scenarios, but has many limitations.

[0004] Natural heat dissipation mainly depends on the natural convection of air, and the heat dissipation effect is limited, especially in high-temperature or closed environment, the heat dissipation effect is greatly discounted.

[0005] Although the conventional fan heat dissipation can force air flow and improve the heat dissipation efficiency, the motor and the fan often need to occupy a large space, and the motor is easy to be damaged in the harsh working environment, and the maintenance cost is high; in some electric vehicles, the space requirement for the controller is strict, and the motor and the fan are often difficult to design and install. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of controller shell, for improving the compactness and heat dissipation capacity of controller shell.

[0007] The utility model adopts the following technical scheme: a kind of controller shell, including shell body;

[0008] Further comprising:

[0009] Radiating fins are arranged on the upper side of the shell body;The middle part of the radiating fin has a concave part;

[0010] Cover plate assembly is covered on the radiating fin;The circular hole is opened in the thickness direction and penetrates the cover plate assembly on the position opposite to the concave part on the cover plate assembly;

[0011] Radiating fan is arranged opposite to the circular hole;

[0012] Drive motor is fixed in the shell body;The output shaft of the drive motor is fixedly connected with the radiating fan by penetrating the upper side of the shell body.

[0013] Further, the two ends of the radiating fin and the concave part are transitioned by inclined surface.

[0014] The cover plate assembly comprises two side cover plates and a middle cover plate arranged between the two side cover plates;

[0015] The two side cover plates correspond to cover the two ends of the heat dissipation fins, and the inner side of the side cover plate has an inclined part matched with the inclined surface of the heat dissipation fins;

[0016] The middle cover plate corresponds to cover the lower recessed part of the heat dissipation fins, and the middle cover plate is provided with the round hole.

[0017] The upper surface of the middle cover plate is fixed with a wind pipe opposite to the round hole; the upper end of the wind pipe is not higher than the upper surface of the side cover plate, and the heat dissipation fan is arranged in the wind pipe.

[0018] The end of the wind pipe is connected with a filter screen.

[0019] The heat dissipation fan comprises a sleeve and fan blades uniformly distributed on the sleeve, and the sleeve is sleeved and fixed on the output shaft of the driving motor.

[0020] The output shaft of the driving motor is a stepped shaft, and the stepped shaft is provided with a threaded hole at the end;

[0021] The sleeve is sleeved on the stepped shaft, the fastening bolt is connected in the threaded hole of the stepped shaft through thread connection, and the cap body of the fastening bolt is pressed on the sleeve.

[0022] The stepped shaft is provided with a sealing ring between the stepped shaft and the shell.

[0023] The beneficial effects of the utility model lie in that the middle part of the heat dissipation fins is recessed downward, and the two ends are transitioned through inclined surfaces, the heat dissipation area is increased, and a heat dissipation channel is formed through cooperation with the cover plate assembly; the cross-sectional area of the two ends of the heat dissipation channel is larger than that of the middle part, which is conducive to guiding airflow to flow from the two ends to the middle part of the heat dissipation fins and being discharged through the round hole in the middle part; the heat dissipation fan is arranged at the position opposite to the round hole, and the driving motor is fixed in the shell, which not only ensures the sealing and waterproof of itself, but also realizes self-heat dissipation by using the heat dissipation structure, saves space and improves the compactness of the overall structure; the heat dissipation fan is installed in the form of sleeving on the stepped shaft of the driving motor, which is convenient for disassembly and maintenance, improves the installation convenience of the heat dissipation fan and is convenient for subsequent cleaning and maintenance work. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0025] Figure 1 It is a perspective view of the controller shell.

[0026] Figure 2 It is a front view of the controller shell.

[0027] Figure 3 It is Figure 2 It is a view along A-A direction.

[0028] Figure 4 It is an exploded view of the controller shell.

[0029] Figure 5 It is an exploded view of the mounting structure of the cooling fan.

[0030] Explanation of reference signs:

[0031] 1, shell;

[0032] 2, cooling fin; 21, lower recess; 22, inclined surface;

[0033] 3, cover plate assembly; 31, middle cover plate; 311, round hole; 312, air duct; 32, side cover plate; 321, inclined part;

[0034] 4, cooling fan; 41, sleeve; 42, fan blade;

[0035] 5, driving motor; 51, stepped shaft; 52, fastening bolt;

[0036] 6, filter screen. Specific implementation

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] Embodiment one:

[0039] As Figures 1 to 4 shown, the present application provides a kind of controller shell, including shell 1, shell 1 upper side is provided with heat dissipation structure. Cooling fin 2 is evenly arranged in the upper side of shell 1, cooling fin 2 and shell 1 are integrated structure. The middle part of cooling fin 2 has lower recess 21, the two ends of cooling fin 2 and lower recess 21 are transitioned by inclined surface 22, and cooling fin 2 is in the state of two ends high middle low as a whole.

[0040] The cover plate assembly 3 covers on the heat dissipation fins 2, and forms a plurality of heat dissipation channels between the heat dissipation fins 2, the cross-sectional area of the heat dissipation channels at both ends is larger than that in the middle. Specifically, the cover plate assembly 3 includes two side cover plates 32 and a middle cover plate 31 arranged between the two side cover plates 32; the two side cover plates 32 correspondingly cover at both ends of the heat dissipation fins 2 and are fixedly connected with the heat dissipation fins 2 through screws; the inner side of the side cover plate 32 has an inclined part 321 matched with the inclined surface 22 of the heat dissipation fin 2, the heat dissipation channel gradually shrinks under the cooperation of the inclined surface 22 and the inclined part 321, and the cross-sectional area becomes smaller, so that the flow rate can be improved during work; the middle cover plate 31 correspondingly covers at the lower recessed part 21 of the heat dissipation fin 2 and is fixedly connected with the heat dissipation fin 2 through a screw. One or more round holes 311 are formed in the middle cover plate 31; when a plurality of round holes 311 are formed in the middle cover plate 31, the plurality of round holes 311 are arranged along the direction perpendicular to the length of the shell 1.

[0041] The heat dissipation fan 4 is arranged at a position opposite to the round hole 311, and the height of the heat dissipation fan 4 does not exceed that of the side cover plate 32 on both sides, so as to reduce the height of the entire heat dissipation structure. The driving motor 5 matched with the heat dissipation fan 4 is fixed in the shell 1 at a position opposite to the round hole 311, the output shaft of the driving motor 5 penetrates the upper side of the shell 1 and is fixedly connected with the heat dissipation fan 4. The driving motor 5 is arranged in the shell 1, which can not only ensure the sealing and waterproof of itself, but also realize the heat dissipation of itself by using the heat dissipation structure.

[0042] During work;

[0043] The driving motor 5 drives the heat dissipation fan 4 to rotate, and the heat dissipation fan 4 guides air to the outside of the round hole 311; the two ends of the heat dissipation fin 2 are air inlet holes, air gathers from the two ends of the heat dissipation fin 2 to the middle, and then flows out from the round hole 311, thereby taking away the heat of the heat dissipation fin 2 and realizing the cooling of the shell 1 and the internal components and devices.

[0044] Embodiment two:

[0045] On the basis of the above-mentioned embodiment one, in combination with Figures 1 to 5 As shown in the figure, the upper surface of the middle cover plate 31 is fixed with a wind pipe 312 opposite to the round hole 311. The upper end of the wind pipe 312 is not higher than the upper surface of the side cover plate 32, and the heat dissipation fan 4 is arranged in the wind pipe 312; the wind pipe 312 improves the air collection effect at the heat dissipation fan 4, and ensures the airflow to flow from bottom to top. The heat dissipation fan 4 includes a sleeve 41 and fan blades 42 uniformly distributed on the sleeve 41.

[0046] The output shaft of the driving motor 5 is a stepped shaft 51, and a threaded hole is formed in the upper end of the stepped shaft 51. A through hole is formed in the shell 1 for the stepped shaft 51 to pass through, and a sealing ring is arranged between the stepped shaft 51 and the shell 1. The sleeve 41 of the heat dissipation fan 4 is sleeved on the stepped shaft, and the fastening bolt 52 is threadedly connected in the threaded hole of the stepped shaft 51 to press the sleeve 41 on the stepped shaft 51. The heat dissipation fan 4 is installed in a sleeved manner on the stepped shaft 51, which facilitates the disassembly of the heat dissipation fan 4 and improves the convenience of cleaning and maintenance of the heat dissipation fan 4.

[0047] Embodiment three:

[0048] On the basis of the above-mentioned embodiment two, in combination with Figure 1 and Figure 4 It is shown that the upper end of the air duct 312 is provided with a filter screen 6, and the filter screen 6 is installed on the air duct 312 in a threaded connection manner to prevent sundries from entering the heat dissipation fan 4.

[0049] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application belong to the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A controller housing, comprising a housing (1); characterized in that Further comprising: a plurality of heat dissipation fins (2) arranged on the upper side of the housing (1); the middle part of the heat dissipation fins (2) has a concave part (21); a cover plate assembly (3) covering the heat dissipation fins (2); the position opposite to the concave part (21) on the cover plate assembly (3) is provided with a circular hole (311) penetrating the cover plate assembly (3) in the thickness direction; a heat dissipation fan (4) arranged opposite to the circular hole (311); a driving motor (5) fixed in the housing (1); the output shaft of the driving motor (5) penetrates the upper side of the housing (1) and is fixedly connected with the heat dissipation fan (4).

2. A controller housing as claimed in claim 1, wherein: The two ends of the heat dissipation fins (2) and the concave part (21) are connected through a slope (22).

3. A controller housing as claimed in claim 2, wherein: The cover plate assembly (3) comprises two side cover plates (32) and a middle cover plate (31) arranged between the two side cover plates (32); The two side cover plates (32) correspondingly cover the two ends of the heat dissipation fins (2), and the inner side of the side cover plate (32) has an inclined part (321) matched with the slope (22) of the heat dissipation fins (2); The middle cover plate (31) correspondingly covers the concave part (21) of the heat dissipation fins (2), and the middle cover plate (31) is provided with the circular hole (311).

4. A controller housing as claimed in claim 3, wherein: The upper surface of the middle cover plate (31) is fixed with a wind pipe (312) opposite to the circular hole (311); the upper end of the wind pipe (312) is not higher than the upper surface of the side cover plate (32), and the heat dissipation fan (4) is arranged in the wind pipe (312).

5. A controller housing as claimed in claim 4, wherein: The end of the wind pipe (312) is connected with a filter screen (6).

6. A controller housing as defined in claim 1, wherein: The heat dissipation fan (4) comprises a sleeve (41) and a plurality of fan blades (42) arranged on the sleeve (41); the sleeve (41) is sleeved and fixed on the output shaft of the driving motor (5).

7. A controller housing as claimed in claim 6, wherein: The output shaft of the driving motor (5) is a stepped shaft (51), and the end of the stepped shaft (51) is provided with a threaded hole; The sleeve (41) is sleeved on the stepped shaft, a fastening bolt (52) is threadedly connected in the threaded hole of the stepped shaft (51), and the cap of the fastening bolt (52) is pressed on the sleeve (41).

8. A controller housing as claimed in claim 7, wherein: A sealing ring is arranged between the stepped shaft (51) and the housing (1).

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