A forced heat dissipation flow guide device installed on the load side of an electric motor

Abstract

The utility model provides a kind of forced heat dissipation flow guide device installed in motor load side, including the flow guide cover in middle part and the wind direction converging board in the both sides of flow guide cover, the center of flow guide cover is circular ring structure, flow guide cover is installed at the end cover of motor load side by the central hole of circular ring, circular ring both sides are respectively provided with connecting plate, wind direction converging board is respectively arranged in the end of each connecting plate, two wind direction converging boards are all bent to rear side, and vertical with the plane where flow guide cover is located;Wind direction converging board is fixed on motor cooling fin, so that the wind of motor rear end fan heat dissipation occurs converging, and wind direction is changed by flow guide cover, so that wind blows to front end load side bearing end cover, and load side bearing is forced to heat dissipation. Using the device can significantly reduce load side bearing temperature, ensure that motor will not chain stop, provide powerful guarantee for production.

Description

Technical Field

[0001] This utility model belongs to the field of electric motor heat dissipation technology, specifically relating to a forced heat dissipation and flow guiding device installed on the load side of an electric motor. Background Technology

[0002] The high-voltage asynchronous motors used in polyethylene production plants experience excessively high temperatures in their load-side bearings under normal operating conditions. Due to the inherent structural characteristics of asynchronous motors, there are no heat dissipation devices inside or outside the load-side bearing housing. Currently, external fans are used for forced cooling, but the cooling effect is inadequate. This excessively high temperature can easily lead to interlocking shutdowns. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] This invention proposes a forced heat dissipation and diversion device installed on the load side of a motor to solve the technical problem of how to improve the heat dissipation effect on the load side of a high-voltage asynchronous motor.

[0005] (II) Technical Solution

[0006] To solve the above-mentioned technical problems, this utility model proposes a forced heat dissipation and airflow guiding device installed on the load side of an electric motor. The forced heat dissipation and airflow guiding device includes a guide shroud located in the middle and airflow converging plates located on both sides of the guide shroud. The center of the guide shroud is a circular ring structure. The guide shroud is installed on the end cover of the load side of the electric motor through the central hole of the ring. Connecting plates are respectively provided on both sides of the ring. Airflow converging plates are respectively provided at the end of each connecting plate. Both airflow converging plates are bent backward. The airflow converging plates are fixed on the heat sink of the electric motor, so that the airflow from the rear fan of the electric motor is concentrated and the airflow direction is changed by the guide shroud, so that the airflow is blown towards the end cover of the load side bearing at the front end, thereby forcibly dissipating heat from the load side bearing.

[0007] Furthermore, the connecting plate has a trapezoidal structure.

[0008] Furthermore, the connecting plate and the wind direction converging plate are rigidly connected.

[0009] Furthermore, the connecting plate and the wind direction converging plate are fixedly connected.

[0010] Furthermore, the connecting plate and the wind direction converging plate are connected in an adjustable manner.

[0011] Furthermore, the wind convergence plate has an arc-shaped structure.

[0012] Furthermore, the wind direction converging plate is fixed to the motor heat sink using puller nails.

[0013] Furthermore, the connecting plate of the fairing is provided with a bent flange.

[0014] Furthermore, the edges of the wind-gathering plate are provided with bent flanges.

[0015] Furthermore, the wind-gathering plate is perpendicular to the plane of the fairing.

[0016] (III) Beneficial Effects

[0017] This invention proposes a forced cooling and airflow guiding device installed on the load side of an electric motor. It includes a central airflow guide shroud and airflow converging plates on either side of the shroud. The shroud has a circular ring structure at its center, and is installed on the end cover of the motor's load side through the central hole of the ring. Connecting plates are provided on both sides of the ring, and an airflow converging plate is located at the end of each connecting plate. Both airflow converging plates are bent rearwards, perpendicular to the plane of the shroud. The airflow converging plates are fixed to the motor's heat sink, converging the airflow from the rear fan of the motor and changing its direction through the shroud, directing the airflow towards the front load-side bearing end cover for forced cooling of the load-side bearing. Using this device can significantly reduce the temperature of the load-side bearing, ensuring that the motor will not experience interlocking shutdowns and providing strong support for production. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the unfolded structure of the forced heat dissipation and airflow guiding device of this utility model. Detailed Implementation

[0019] To make the objectives, contents, and advantages of this utility model clearer, the specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0020] This embodiment proposes a forced heat dissipation and airflow guiding device to be installed on the load side of the motor, the unfolded structure of which is as follows: Figure 1 As shown, it mainly includes a central air deflector 1 and wind-directing converging plates 2 on both sides of the air deflector. The air deflector 1 has a circular ring structure at its center, and is installed on the end cover of the motor load side through a φ270mm central hole in the ring. Trapezoidal connecting plates are respectively provided on both sides of the ring, and a wind-directing converging plate 2 is provided at the end of each connecting plate. The connecting plates and the wind-directing converging plates 2 are rigidly connected (various methods such as fixed or adjustable connections can be used), and both wind-directing converging plates 2 are bent backward at a 90° angle to the plane of the air deflector 1.

[0021] The airflow concentrator 2 has an arc-shaped structure. In this embodiment, based on the structure and dimensions of the motor, each airflow concentrator 2 has a length of 1365mm, a width of 465mm, and an arc of 42°. The airflow concentrator 2 is fixed to the heat sink of the motor by aluminum pullers, which concentrates the airflow from the rear fan of the motor and changes the airflow direction through the guide shroud 1, directing the airflow towards the front load-side bearing end cover, thereby providing all-around heat dissipation for the load-side bearing, achieving forced heat dissipation, and reducing the bearing temperature.

[0022] In addition, the edges of the connecting plate of the air deflector 1 and the airflow converging plate 2 are both provided with bent flanges to further constrain the airflow direction and improve the heat dissipation effect.

[0023] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A forced heat dissipation and airflow guiding device installed on the load side of an electric motor, characterized in that, The forced cooling and airflow guiding device includes a guide shroud located in the middle and airflow converging plates located on both sides of the guide shroud. The guide shroud has a circular ring structure at its center. The guide shroud is installed on the end cover of the motor load side through the central hole of the ring. Connecting plates are respectively provided on both sides of the ring. An airflow converging plate is provided at the end of each connecting plate. Both airflow converging plates are bent backward. The airflow converging plates are fixed on the motor heat sink, so that the airflow from the rear fan of the motor is concentrated and the airflow direction is changed by the guide shroud, so that the airflow blows towards the end cover of the bearing on the front load side, thereby forcibly cooling the bearing on the load side.

2. The forced cooling and heat dissipation device installed on the load side of the motor as described in claim 1, characterized in that, The connecting plate has a trapezoidal structure.

3. The forced heat dissipation and flow guiding device installed on the load side of the motor as described in claim 1, characterized in that, The connecting plate and the wind direction converging plate are rigidly connected.

4. The forced heat dissipation and flow guiding device installed on the load side of the motor as described in claim 3, characterized in that, The connecting plate and the wind direction gathering plate are fixedly connected.

5. The forced cooling and heat dissipation device installed on the load side of the motor as described in claim 3, characterized in that, The connecting plate and the wind direction converging plate are connected in an adjustable manner.

6. The forced heat dissipation and airflow guiding device installed on the load side of the motor as described in claim 1, characterized in that, The wind-gathering plate has an arc-shaped structure.

7. The forced heat dissipation and flow guiding device installed on the load side of the motor as described in claim 1, characterized in that, The wind direction gathering plate is fixed to the motor heat sink by puller nails.

8. The forced cooling and heat dissipation device installed on the load side of the motor as described in claim 1, characterized in that, The connecting plate of the flow guide is provided with a bent flange.

9. The forced cooling and heat dissipation device installed on the load side of the motor as described in claim 1, characterized in that, The edges of the wind-gathering plate are provided with bent flanges.

10. The forced heat dissipation and airflow guiding device installed on the load side of the motor as described in claim 1, characterized in that, The wind-gathering plate is perpendicular to the plane of the air deflector.

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