CN219678266U - Ventilating and cooling system for motor - Google Patents
Ventilating and cooling system for motor Download PDFInfo
- Publication number
- CN219678266U CN219678266U CN202321350672.6U CN202321350672U CN219678266U CN 219678266 U CN219678266 U CN 219678266U CN 202321350672 U CN202321350672 U CN 202321350672U CN 219678266 U CN219678266 U CN 219678266U
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- Prior art keywords
- motor
- air
- air outlet
- cooler
- air duct
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- 238000001816 cooling Methods 0.000 title claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a ventilation cooling system for an electric motor, comprising: the motor body is provided with a motor cooler above the motor body, a fan is sleeved on a motor non-driving end shaft of the motor body, and air quantity generated by the fan is discharged through an air outlet of the motor cooler so as to cool and ventilate the motor body; an air duct is coaxially sleeved at the air outlet of the motor cooler, the air duct is of a hollow structure, one side of the air duct, which is far away from the air outlet, is a closed end, and an air outlet is formed in the position, which is opposite to the motor driving end, of the bottom end of the air duct. The motor driving end ventilation device can cool and ventilate the motor body and ventilate and dissipate heat at the motor driving end.
Description
Technical Field
The utility model belongs to the technical field of safe operation of motors, and particularly relates to a ventilation cooling system for a motor.
Background
At present, in the maintenance work of high-voltage and low-voltage motors and generators, the existing motor cooler is shown in fig. 1, and the working principle is as follows: a fan 6 is sleeved on a motor non-driving end shaft 5 of the motor body 3, and air quantity generated by the fan is discharged through an air outlet 2 of the motor cooler 1, so that the motor body 3 is cooled and ventilated.
Because the existing motor cooler can only cool and ventilate the motor body, heat generated by the motor driving end shaft 4 cannot be rapidly taken away by air and ventilation is unsmooth, so that the temperature rise of the motor driving end bearing is too high (the temperature of an air outlet of the motor cooler is about 60 ℃ through field actual measurement, and the running temperature of the driving end bearing exceeds 80 ℃), so that the service life of the motor bearing is shortened, and the running safety of the motor is seriously influenced.
Therefore, how to cool and ventilate the motor body and simultaneously ventilate and dissipate heat of the motor driving end is a technical problem to be solved by those skilled in the art.
No prior art documents identical or similar to the present utility model were found upon retrieval.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a ventilation cooling system for a motor, which can cool and ventilate a motor body and ventilate and dissipate heat at the driving end of the motor.
The technical scheme adopted for solving the technical problems is as follows:
a ventilation cooling system for an electric machine, comprising: the motor body is provided with a motor cooler above the motor body, a fan is sleeved on a motor non-driving end shaft of the motor body, and air quantity generated by the fan is discharged through an air outlet of the motor cooler so as to cool and ventilate the motor body; an air duct is coaxially sleeved at the air outlet of the motor cooler, the air duct is of a hollow structure, one side of the air duct, which is far away from the air outlet, is a closed end, and an air outlet is formed in the position, which is opposite to the motor driving end, of the bottom end of the air duct.
And a plurality of wavy air guide radiating plates connected end to end are arranged between the air outlet and the air outlet in the air duct and are used for guiding the air exhausted from the air outlet to the air outlet for exhausting after being cooled.
And radiating fins are paved on the upper end face of the motor cooler, the upper end face of the air duct and the air guide radiating plate.
The utility model has the advantages and beneficial effects that:
1. the utility model provides a ventilation cooling system for a motor, which is characterized in that an air duct is additionally arranged at an air outlet, an air outlet is formed in the position, opposite to a motor driving end shaft, of the bottom end of the air duct, a plurality of wavy air guide cooling plates connected end to end are arranged in the air duct, and cooling fins are paved on the air guide cooling plates. The utility model can cool the hot air discharged from the air outlet and then guide the cooled hot air to the air outlet for discharging, thereby ventilating and radiating the motor driving end shaft.
2. According to the utility model, the wavy air guide heat dissipation plates which are connected end to end are arranged in the air guide cylinder, so that the travel distance from hot air discharged from the air outlet to the air outlet can be increased, and the exchange between the hot air and cold air is accelerated, thereby ensuring the normal heat dissipation of the bearing at the driving end of the motor and improving the running environment of the motor.
3. According to the utility model, the heat radiating fin is arranged on the upper end surface of the motor cooler, so that the temperature of the air outlet of the motor cooler can be reduced.
Drawings
FIG. 1 is a state of use diagram of a prior art motor cooler in accordance with the background of the utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
reference numerals illustrate:
1-a motor cooler; 2-an air outlet; 3-a motor body; 4-a motor driving end shaft; 5-a motor non-driving end shaft; 6-a fan; 7-heat sink fins; 8-an air guide heat dissipation plate; 9-an exhaust outlet.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A ventilation cooling system for an electric motor, as shown in fig. 2, comprising: the motor body, there is motor cooler above the motor body, cover the fan 6 on the motor non-driving end shaft 5 of the motor body, the amount of wind produced by the fan is discharged through the air outlet 2 of the motor cooler 1, and then cool and ventilate the motor body; an air duct is coaxially sleeved at the air outlet of the motor cooler, the air duct is of a hollow structure, one side of the air duct, which is far away from the air outlet, is a closed end, and an air outlet is formed in the position, which is opposite to the motor driving end, of the bottom end of the air duct.
In this embodiment, a plurality of end-to-end wavy air guide heat dissipation plates are arranged between the air outlet and the air outlet in the air duct and used for cooling air exhausted from the air outlet and guiding the cooled air to the air outlet for exhausting, so that the motor driving end shaft is ventilated and heat-dissipated.
In this embodiment, heat dissipation fins are laid on the upper end surface of the motor cooler, the upper end surface of the air duct, and the air guide heat dissipation plate.
The working principle of the utility model is as follows:
according to the utility model, the air duct is additionally arranged at the air outlet, a plurality of wavy air guide radiating plates connected end to end are arranged in the air duct, and radiating fins are paved on the air guide radiating plates. The air exhausted from the air outlet can be cooled and then guided to the air outlet for being exhausted, and the motor driving end shaft is ventilated and radiated.
According to the utility model, the heat radiating fin is arranged on the upper end surface of the motor cooler, so that the temperature of the air outlet of the motor cooler can be reduced.
According to the utility model, exhaust air at the air outlet of the motor cooler can be reused, and the air outlet direction of the motor is changed from transverse air outlet to downward air outlet towards the motor driving end shaft, so that the motor driving end bearing can be forced to ventilate, and the air flow speed around the motor driving end bearing is accelerated.
According to the utility model, the wavy air guide heat dissipation plates which are connected end to end are arranged in the air guide cylinder, so that the travel distance from hot air discharged from the air outlet to the air outlet can be increased, and the exchange between the hot air and cold air is accelerated, thereby ensuring the normal heat dissipation of the bearing at the driving end of the motor and improving the running environment of the motor.
After the utility model is additionally arranged, the temperature at the air outlet of the actually measured motor cooler is reduced to about 40 ℃, and the running temperature of the motor driving end bearing is reduced to 50 ℃.
It should be emphasized that the embodiments described herein are illustrative rather than limiting, and that this utility model encompasses other embodiments which may be made by those skilled in the art based on the teachings herein and which fall within the scope of this utility model.
Claims (3)
1. A ventilation cooling system for an electric machine, comprising: a motor body (3), a motor cooler (1) is arranged above the motor body (3), a fan (6) is sleeved on a motor non-driving end shaft (5) of the motor body (3), and the air quantity generated by the fan (6) is discharged through an air outlet (2) of the motor cooler (1); the method is characterized in that: an air duct is coaxially sleeved at the air outlet (2) of the motor cooler (1), the air duct is of a hollow structure, one side, far away from the air outlet (2), of the air duct is a closed end, and an air outlet (9) is formed in the position, opposite to a motor driving end shaft (4), of the bottom end of the air duct.
2. A ventilation cooling system for an electric machine as claimed in claim 1, characterized in that: a plurality of wavy air guide radiating plates (8) which are connected end to end are arranged between the air outlet (2) and the air outlet (9) in the air guide cylinder and are used for guiding air exhausted from the air outlet (2) to the air outlet (9) for exhausting after cooling.
3. A ventilation cooling system for an electric machine as claimed in claim 1, characterized in that: radiating fins (7) are paved on the upper end face of the motor cooler (1), the upper end face of the air duct and the air guide radiating plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350672.6U CN219678266U (en) | 2023-05-31 | 2023-05-31 | Ventilating and cooling system for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350672.6U CN219678266U (en) | 2023-05-31 | 2023-05-31 | Ventilating and cooling system for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219678266U true CN219678266U (en) | 2023-09-12 |
Family
ID=87920986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321350672.6U Active CN219678266U (en) | 2023-05-31 | 2023-05-31 | Ventilating and cooling system for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219678266U (en) |
-
2023
- 2023-05-31 CN CN202321350672.6U patent/CN219678266U/en active Active
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