Air-cooled electric roller
By designing a sealed cavity and heat dissipation channel in the electric roller, and using a fan for heat transfer and dissipation, the structural complexity and environmental protection issues of water-cooled electric rollers are solved, achieving efficient air cooling and improving the operational stability and efficiency of the electric roller.
Patent Information
- Application Number
- CN202423125158.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing water-cooled electric rollers have complex structures, are difficult to install and maintain, and are not environmentally friendly due to coolant usage and leakage issues. Air-cooled electric rollers suffer from poor heat dissipation under high temperature and high load conditions, which affects their performance.
The air-cooled electric drum design encloses the motor, reducer, and coupling in a sealed cavity. Heat transfer and dissipation are achieved through heat dissipation channels and fans. The cooling fan draws in cool air and blows out hot air, eliminating the need for coolant.
It improves cooling efficiency, reduces performance degradation caused by overheating, protects the environment, and simplifies the maintenance process.
Smart Images
Figure CN223713762U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to electric roller technical field, concretely relates to a air-cooled electric roller. BACKGROUND
[0002] Electric roller is a new type of driving device which puts motor and speed reducer together in the inside of roller body. The principle of electric roller is that the power generated by the motor is transmitted to the speed reducer after the motor is electrified, and the power is transmitted to the roller through the speed increasing effect of the speed reducer, so that the roller rotates and drives the conveyor belt or other driven components to move.
[0003] Electric roller can be divided into air-cooled electric roller and water-cooled electric roller according to the cooling method. The structure of the existing water-cooled electric roller is complex, and it is difficult to install and maintain. A large amount of coolant is needed for cooling, and the discharge of the coolant in the later stage is also not conducive to environmental protection. In addition, the cooling system is also prone to leakage and other problems. The air-cooled electric roller will cause the temperature to be too high to affect the performance due to poor heat dissipation in high temperature and high load working environment. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an air-cooled electric roller to improve the cooling effect and reduce the performance degradation problem caused by overheating.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An air-cooled electric roller comprises a motor, a speed reducer, a shaft coupling and a transmission shaft. The input end of the speed reducer is connected with the motor shaft of the motor, and the output shaft of the speed reducer is connected with one end of the transmission shaft through the shaft coupling. The air-cooled electric roller further comprises a heat dissipation shell, a sealed cavity is arranged in the heat dissipation shell, the motor, the speed reducer and the shaft coupling are wrapped in the sealed cavity, and the other end of the transmission shaft penetrates from one end of the sealed cavity to the outside of the heat dissipation shell.
[0007] A heat dissipation channel is further arranged in the heat dissipation shell and located outside the sealed cavity. The inner wall of the sealed cavity is in contact with the motor stator, so as to transmit the heat generated by the motor to the heat dissipation channel through the cavity wall of the sealed cavity. The two ends of the heat dissipation channel are respectively communicated with the two ends of the heat dissipation shell, and a plurality of heat dissipation fans are arranged in the heat dissipation channel, so as to suck the cold air at one end of the heat dissipation shell into the heat dissipation channel through the heat dissipation fans, and blow the hot air in the heat dissipation channel out from the other end of the heat dissipation shell.
[0008] As a preferred technical scheme in the utility model, the heat dissipation channel is an annular channel with two open ends. The cavity wall of the sealed cavity and the outer wall of the heat dissipation channel are connected through an annular plate. A plurality of small channels penetrating through the two ends of the annular plate are uniformly arranged on the annular plate. The end part of each small channel is correspondingly provided with a heat dissipation fan.
[0009] As one preferred technical scheme in the utility model, the annular plate is integrally formed with the cavity wall of the sealing cavity and / or the outer wall of the heat dissipation channel.
[0010] As one preferred technical scheme in the utility model, the heat dissipation fan comprises a first heat dissipation fan and a second heat dissipation fan, one end of each small channel is provided with the first heat dissipation fan, so as to draw the cold air at one end of the heat dissipation shell into the heat dissipation channel through the first heat dissipation fan; the other end of each small channel is provided with the second heat dissipation fan, so as to blow the hot air in the small channel out from the other end of the heat dissipation shell through the second heat dissipation fan.
[0011] As one preferred technical scheme in the utility model, the heat dissipation shell is provided with the heat dissipation cover at both ends, and the sealing cavity is located between the two heat dissipation covers.
[0012] Advantageous effects: the air-cooled electric roller does not need to use a large amount of cooling liquid for cooling, and the discharge of the cooling liquid is reduced, which is beneficial to environmental protection; the motor, the speed reducer and the shaft coupling are arranged in the sealing cavity, and the motor, the speed reducer and the shaft coupling are waterproof and dustproof; when working, the heat generated by the motor is transferred to the heat dissipation channel, then the cold air at one end of the heat dissipation shell is drawn into the heat dissipation channel through the heat dissipation fan, and the hot air in the heat dissipation channel is blown out from the other end of the heat dissipation shell through the heat dissipation fan, so that the electric roller is effectively cooled, the normal operation of the electric roller is ensured, the cooling effect is improved, the efficiency is increased, and the performance degradation problem caused by overheating is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is an axial sectional view of the utility model;
[0014] Figure 2 It is a radial sectional view of the utility model;
[0015] Figure 3 It is a structural schematic view when the utility model is not provided with the heat dissipation shell;
[0016] Figure 4 It is a three-dimensional schematic view of the utility model.
[0017] In the drawing: 1-motor; 2-speed reducer; 3-shaft coupling; 4-transmission shaft; 5-heat dissipation shell; 501-sealing cavity; 502-heat dissipation channel; 6-heat dissipation fan; 601-first heat dissipation fan; 602-second heat dissipation fan; 7-heat dissipation cover. DETAILED DESCRIPTION
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.
[0019] Example:
[0020] like Figures 1-4 As shown, this embodiment provides an air-cooled electric roller, including a motor 1, a reducer 2, a coupling 3, and a drive shaft 4. The input end of the reducer 2 is connected to the motor shaft of the motor 1, and the output shaft of the reducer 2 is connected to one end of the drive shaft 4 via the coupling 3, thus driving the roller through the drive shaft 4. It also includes a heat dissipation shell 5, within which a sealed cavity 501 is provided. The motor 1, reducer 2, and coupling 3 are all enclosed within the sealed cavity, providing waterproofing and dustproofing. The other end of the drive shaft 4 extends from one end of the sealed cavity 501 to the outside of the heat dissipation shell 5, without affecting the connection to the roller. The heat dissipation shell 5 also contains a [missing information - likely a device or component] located within the sealed cavity. The heat dissipation channel 502 outside 501, the inner wall of the sealed cavity 501 is in contact with the motor stator of the motor 1, so as to transfer the heat generated by the motor 1 to the heat dissipation channel 502 through the cavity wall of the sealed cavity 501; the two ends of the heat dissipation channel 502 are respectively connected to the two ends of the heat dissipation shell 5 to form a complete air duct, and multiple cooling fans 6 are installed in the heat dissipation channel 502 to draw the cold air from one end of the heat dissipation shell 5 into the heat dissipation channel 502 and blow the hot air in the heat dissipation channel 502 out from the other end of the heat dissipation shell 5, so as to effectively dissipate heat from the electric roller and ensure the normal operation of the electric roller.
[0021] This utility model's air-cooled electric roller eliminates the need for large amounts of coolant, reducing coolant discharge and thus protecting the environment. The motor 1, reducer 2, and coupling 3 are all housed within a sealed cavity, providing waterproofing and dustproofing. During operation, the heat generated by the motor 1 is transferred to the heat dissipation channel 502. Then, the cooling fan 6 draws cool air from one end of the heat dissipation shell 5 into the channel 502, while hot air from the channel 502 is blown out from the other end, effectively cooling the electric roller, ensuring its normal operation, improving cooling efficiency, and reducing performance degradation caused by overheating.
[0022] As a preferred embodiment in the embodiment, it needs to be further explained that the heat dissipation channel 502 is an annular channel with both ends open, the cavity wall of the sealed cavity 501 and the outer wall of the heat dissipation channel 502 are connected through an annular plate to ensure the stability of the heat dissipation shell 5, a plurality of small channels penetrating through both ends of the annular plate are uniformly arranged on the annular plate, and the end of each small channel is correspondingly provided with a heat dissipation fan 6, so that the cold air at one end of the heat dissipation shell 5 can smoothly enter the small channel, and the hot air in the small channel can be smoothly blown out from the other end of the heat dissipation shell 5. It needs to be explained that each small channel can be a complete channel, or a plurality of smaller channels, which can be set according to the actual situation, and is not limited specifically.
[0023] As a preferred embodiment in the embodiment, it needs to be further explained that the annular plate is integrally formed with the cavity wall of the sealed cavity 501 and / or the outer wall of the heat dissipation channel 502 to ensure the stability of the heat dissipation shell 5 as a whole.
[0024] As a preferred embodiment in the embodiment, it needs to be further explained that the heat dissipation fan 6 includes a first heat dissipation fan 601 and a second heat dissipation fan 602, the first heat dissipation fan 601 is installed at one end of each small channel to draw the cold air at one end of the heat dissipation shell 5 into the heat dissipation channel 502 through the first heat dissipation fan 601, and the second heat dissipation fan 602 is installed at the other end of each small channel to blow the hot air in the small channel out from the other end of the heat dissipation shell 5 through the second heat dissipation fan 602, so that the heat dissipation effect is better.
[0025] As a preferred embodiment in the embodiment, it needs to be further explained that the heat dissipation shell 5 is provided with a heat dissipation cover 7 at both ends, the sealed cavity 501 is located between the two heat dissipation covers 7, and the heat dissipation cover 7 is a mesh structure to prevent foreign matters from entering the inside of the heat dissipation shell 5 while not affecting the air circulation.
[0026] Finally, it should be explained that the above only describes preferred embodiments of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A wind-cooled electric roller, comprising a motor (1), a reducer (2), a coupling (3), and a drive shaft (4), wherein the input end of the reducer (2) is connected to the motor shaft of the motor (1), and the output shaft of the reducer (2) is connected to one end of the drive shaft (4) via the coupling (3); characterized in that, It also includes a heat sink (5), a sealed cavity (501) is provided inside the heat sink (5), the motor (1), the reducer (2) and the coupling (3) are all wrapped in the sealed cavity, and the other end of the drive shaft (4) passes through one end of the sealed cavity (501) to the outside of the heat sink (5); The heat dissipation shell (5) is also provided with a heat dissipation channel (502) located outside the sealing cavity (501). The inner wall of the sealing cavity (501) is in contact with the motor stator of the motor (1) so as to transfer the heat generated by the motor (1) to the heat dissipation channel (502) through the cavity wall of the sealing cavity (501). The two ends of the heat dissipation channel (502) are respectively connected to the two ends of the heat dissipation shell (5), and multiple cooling fans (6) are installed in the heat dissipation channel (502) so as to draw the cold air from one end of the heat dissipation shell (5) into the heat dissipation channel (502) through the cooling fans (6) and blow the hot air in the heat dissipation channel (502) out from the other end of the heat dissipation shell (5).
2. The air-cooled electric roller according to claim 1, characterized in that, The heat dissipation channel (502) is an annular channel with openings at both ends. The cavity wall of the sealed cavity (501) is connected to the outer wall of the heat dissipation channel (502) through an annular plate. Multiple small channels that pass through both ends are evenly opened on the annular plate, and a cooling fan (6) is correspondingly provided at the end of each small channel.
3. The air-cooled electric roller according to claim 2, characterized in that, The annular plate is integrally formed with the cavity wall of the sealing cavity (501) and / or the outer wall of the heat dissipation channel (502).
4. The air-cooled electric roller according to claim 2, characterized in that, The cooling fan (6) includes a first cooling fan (601) and a second cooling fan (602). A first cooling fan (601) is installed at one end of each small channel to draw cold air from one end of the heat sink (5) into the heat dissipation channel (502). A second cooling fan (602) is installed at the other end of each small channel to blow hot air from the other end of the heat sink (5) out through the second cooling fan (602).
5. A wind-cooled electric roller according to any one of claims 1-4, characterized in that, The heat sink (5) is equipped with heat sink covers (7) at both ends, and the sealed cavity (501) is located between the two heat sink covers (7).