CN222602136U - Efficient air-cooled rotor - Google Patents

Abstract

The utility model discloses a high-efficiency air-cooled rotor, including: a gasket, an air intake ring, a guide vane and a plurality of rotor sheets, the gasket and the rotor sheet have the same structure and are sleeved with a heat-conducting tube on the inner side, the guide vane is fixedly installed on the inner side of the guide vane, the air intake ring is fixedly sleeved on the inner side of the gasket, and the air intake ring is located at both ends of the heat-conducting tube and abuts against both ends of the guide vane. In the utility model, by setting an integrated rotor and its flow channel structure, the gasket and the air intake ring and the guide vane inside the rotor sheet follow the synchronous rotation, and radial airflow guide movement is performed along the surface of the rotating shaft, the internal airflow circulation is accelerated, and the high-speed relative movement of the rotor periphery and the air is coordinated to perform efficient heat dissipation.

Description

Efficient air-cooled rotor

Technical Field

The utility model relates to the technical field of motors, in particular to a high-efficiency air-cooled rotor.

Background

At present, heat dissipation of a motor is an important technical theme, if the motor cannot effectively dissipate heat in the running process, the service life of the motor can be greatly reduced, particularly for an asynchronous motor, the high-temperature rotor can cause the increase of the resistance of a motor rotor winding so as to increase the excitation loss of the motor rotor and reduce the motor efficiency, and for a permanent magnet synchronous motor, the high-temperature rotor can cause the reduction of the magnetic performance of a motor magnet and even directly cause the demagnetization of the magnet, so that the motor is a consistent threat to the permanent magnet motor.

At present, part of motors at home and abroad adopt an open type heat dissipation mode, surface airflow is enabled to flow for heat dissipation in the rotation of a rotor through a hollow structure of the motor, the heat dissipation method leads to lower air flow effect on the surface of the rotor, the problem of heat dissipation of the motor cannot be well solved, and the other mode that a turbine or a fan blade is additionally arranged at the tail end of the rotor can accelerate the peripheral circulation of an air rotor, but heat accumulated in the rotor is still difficult to dissipate. In view of the above, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a high-efficiency air-cooled rotor that solves the problems and improves the practical value.

Disclosure of utility model

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The high-efficiency air-cooled rotor comprises a gasket, an air inlet ring, guide plates and a plurality of rotor plates, wherein the gasket and the rotor plates are identical in structure, the inner sides of the guide plates are sleeved with heat conducting cylinders, the guide plates are fixedly arranged on the inner sides of the guide plates, the air inlet ring is fixedly sleeved on the inner sides of the gasket, and the air inlet ring is positioned at two ends of the heat conducting cylinders and is abutted against two ends of the guide plates.

The utility model may in a preferred example be further configured in that the heat conducting cylinder and the flow guiding fin are metal or ceramic material members for heat conduction inside the rotor sheet.

In a preferred example, the utility model can be further configured that the guide vanes are in a spiral vane structure, the upper end and the lower end of the guide vanes are attached to the surface of the air inlet ring, and the number of the guide vanes is three and the guide vanes are uniformly distributed in the circumferential direction.

In a preferred example, the utility model can be further configured that the surface of the air inlet ring is provided with a plurality of rotary vanes, the rotary vanes are arranged in an inclined direction, air gaps are arranged between the adjacent rotary vanes, and the air inlet ring and the rotary vanes are in an integrated blanking and forming structure.

In a preferred example, the present utility model may be further configured such that the heat conductive cylinder is cylindrical and is coated with heat conductive silicone grease on the outside.

The utility model can be further configured in a preferred example that a plurality of wire penetrating grooves are formed on the surface of the gasket and the surface of the rotor sheet and are arranged in a one-to-one correspondence manner, and the gasket is an insulating material member.

The beneficial effects obtained by the utility model are as follows:

1. According to the utility model, through arranging the integrated rotor and the runner structure thereof, the gasket and the air inlet ring and the flow guide sheet in the rotor sheet synchronously rotate along the rotating shaft surface to conduct radial air flow guiding movement, so that the circulation of internal air flow is quickened, and the high-speed relative movement of the periphery of the rotor and air is matched to conduct efficient heat dissipation.

2. According to the utility model, a built-in flow channel structure is adopted, the heat conduction barrel is connected with the flow guide sheet and conducts heat with the gasket and the rotor sheet, the heat conduction barrel and the flow guide sheet conduct heat with air in the flow channel in a contact mode, so that the effect of contact with air flow is improved, contact between external impurity dust and the like and the gasket and the rotor sheet is isolated, and the protection effect is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a baffle mounting structure according to an embodiment of the present utility model;

Fig. 3 is a schematic view of an insulating spacer and a rotor sheet according to an embodiment of the present utility model.

Reference numerals:

100. The device comprises a gasket, 110 wire penetrating grooves, 120 heat conducting cylinders, 200 air inlet rings, 210 rotary vanes, 300 guide vanes, 400 rotor sheets.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

A high efficiency air cooled rotor provided in accordance with some embodiments of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1-3, the efficient air-cooled rotor provided by the utility model comprises a gasket 100, an air inlet ring 200, a guide vane 300 and a plurality of rotor sheets 400, wherein the gasket 100 and the rotor sheets 400 have the same structure, the inner sides of the guide vane 300 are sleeved with a heat conducting cylinder 120, the guide vane 300 is fixedly arranged on the inner side of the guide vane 300, the air inlet ring 200 is fixedly sleeved on the inner side of the gasket 100, and the air inlet ring 200 is positioned at two ends of the heat conducting cylinder 120 and is abutted against two ends of the guide vane 300.

In this embodiment, the heat conductive cylinder 120 and the flow guide 300 are metal or ceramic members for heat conduction inside the rotor sheet 400.

In this embodiment, the guide vanes 300 have a spiral vane structure, and the upper and lower ends thereof are attached to the surface of the air inlet ring 200, and the guide vanes 300 are three in number and uniformly arranged in the circumferential direction.

Specifically, the air flow guiding movement inside the heat conduction cylinder 120 is performed by using the guiding vane 300, and the contact area with the air flow is increased.

In this embodiment, the surface of the air intake ring 200 is provided with a plurality of rotary vanes 210, the rotary vanes 210 are arranged in an inclined direction, and air gaps are arranged between adjacent rotary vanes 210, and the air intake ring 200 and the rotary vanes 210 are in an integral blanking structure.

Specifically, the plurality of rotary vanes 210 are adopted to introduce and discharge air flow in the rotation motion of the air inlet ring 200, so that the air flow flux in the heat conduction cylinder 120 is increased.

In this embodiment, the heat conductive cylinder 120 is cylindrical and is coated with heat conductive silicone grease on the outside.

In this embodiment, a plurality of wire grooves 110 are formed on the surface of the spacer 100 and the surface of the rotor sheet 400, and are arranged in a one-to-one correspondence manner, and the spacer 100 is an insulating material member.

The working principle and the using flow of the utility model are as follows:

In the rotor assembly process, the periphery of the heat conduction cylinder 120 is coated with heat conduction silicone grease, a plurality of rotor sheets 400 are sequentially sheathed on the periphery of the heat conduction cylinder 120 in a lamination manner, the inside of the heat conduction cylinder 120 is jointed with a motor rotating shaft assembly through the guide vane 300, an air inlet grid hole corresponding to the position of the rotary vane 210 is formed in the surface of the motor shell, and in the motor operation process, external air rotates through the rotary vane 210 to guide flow, so that air flow is accelerated to pass through the inside of the heat conduction cylinder 120 and is contacted with the surface of the guide vane 300, and the air flow is driven to pass through the inside of the rotor and is fully contacted with the guide vane 300 and the heat conduction cylinder 120, so that efficient heat dissipation is realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (6)

1. The efficient air-cooled rotor is characterized by comprising a gasket (100), an air inlet ring (200), guide plates (300) and a plurality of rotor sheets (400), wherein the gasket (100) and the rotor sheets (400) are identical in structure, the inner sides of the guide plates are sleeved with heat conducting cylinders (120), the guide plates (300) are fixedly arranged on the inner sides of the guide plates (300), the air inlet ring (200) is fixedly sleeved on the inner sides of the gasket (100), and the air inlet ring (200) is positioned at two ends of the heat conducting cylinders (120) and is abutted against two ends of the guide plates (300).

2. A high efficiency wind cooled rotor according to claim 1, wherein the heat conductive cylinder (120) and the flow guide sheet (300) are metal or ceramic members for heat conduction inside the rotor sheet (400).

3. The efficient air-cooled rotor of claim 1, wherein the guide plates (300) are in a spiral vane structure, the upper and lower ends of the guide plates are attached to the surface of the air inlet ring (200), and the number of the guide plates (300) is three and the guide plates are uniformly distributed in the circumferential direction.

4. The efficient air-cooled rotor of claim 1, wherein a plurality of rotary vanes (210) are arranged on the surface of the air inlet ring (200), the rotary vanes (210) are arranged in an inclined direction, air gaps are arranged between adjacent rotary vanes (210), and the air inlet ring (200) and the rotary vanes (210) are of an integrated blanking structure.

5. A high efficiency air cooled rotor as in claim 1 wherein said heat conductive cylinder (120) is cylindrical and externally coated with a thermally conductive silicone grease.

6. The efficient air-cooled rotor of claim 1, wherein a plurality of wire through slots (110) are formed in the surface of the gasket (100) and the surface of the rotor sheet (400) and are arranged in a one-to-one correspondence manner, and the gasket (100) is an insulating material member.