CN211481090U - Mixed-flow type cooling and ventilating structure for vertical motor - Google Patents
Mixed-flow type cooling and ventilating structure for vertical motor Download PDFInfo
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- CN211481090U CN211481090U CN202020199514.5U CN202020199514U CN211481090U CN 211481090 U CN211481090 U CN 211481090U CN 202020199514 U CN202020199514 U CN 202020199514U CN 211481090 U CN211481090 U CN 211481090U
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Abstract
A mixed-flow cooling and ventilating structure for a vertical motor aims to solve the problem that the temperature of a bearing at the end of a fan in the existing motor is too high. The utility model discloses a stator, the cooler, the fan, the deep bead, interior fan and rotor, the rotor rotates and sets up inside the stator, the stator outside is equipped with the cooler, the air outlet department of cooler is equipped with the fan, air intake one side and air outlet one side of cooler communicate with the inside of stator respectively, cooling tube on the cooler is aired exhaust to the air outlet through the fan and is formed the cooling duct, be provided with interior fan on the rotor, interior fan is located air intake one side of cooler, the inside deep bead that is fixed with of stator, the deep bead is located between interior fan and the stator, shell and the cooling tube space between the outside on the cooler, the stator, form interior wind channel between rotor and the deep bead. The utility model discloses a mode of mixed flow ventilation is cooled down vertical motor's bearing, and the effect is showing.
Description
Technical Field
The utility model relates to a cooling ventilation structure, concretely relates to vertical motor cooling ventilation structure belongs to cooling ventilation technical field.
Background
At present, the ventilation structures of high-voltage square box motors at home and abroad are mainly two, namely a radial ventilation structure and a mixed flow ventilation structure. The large-pole-number motor mostly adopts a mixed flow ventilation structure, and the mixed flow ventilation structure has the greatest advantages of full heat exchange of internal and external temperature fields of the motor and good cooling effect of the motor. However, the axial temperature gradient of the whole motor is large, and the temperature of the inner fan side bearing is relatively high. Because the heat of the rolling bearing can only be radiated by the bearing, and the temperature of the bearing on the inner fan side is further increased due to the influence of hot wind in the motor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, and provide a mixed flow cooling ventilation structure for vertical machine.
The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:
the utility model provides a mixed-flow cooling ventilation structure for vertical motor includes the stator, the cooler, the fan, the deep bead, interior fan and rotor, the rotor rotates and sets up inside the stator, the stator outside is equipped with the cooler, the air outlet department of cooler is equipped with the fan, air intake one side and the air outlet one side of cooler communicate with the inside of stator respectively, the cooling tube on the cooler is passed through the fan and is aired exhaust to the air outlet and form the cooling duct, be provided with interior fan on the rotor, interior fan is located air intake one side of cooler, the stator is inside to be fixed with the deep bead, the deep bead is located between interior fan and the stator, shell on the cooler and the space between the cooling tube outside, the stator, form interior wind channel between rotor and the.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses interior fan on the rotor rotates and makes interior wind channel form the inner loop, brings the inside heat of motor into between shell and the cooling tube on the cooler to fan through cooler play tuber pipe department inhales the cooling air from the air intake, makes the cooling tube cooling, with the purpose that reaches the air cooling in the interior wind channel, and then reduces the bearing temperature on the rotor.
Drawings
Fig. 1 is a schematic view of the present invention, in which solid arrows indicate the flowing direction of hot air and hollow arrows indicate the flowing direction of cold air.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
Example 1: as shown in fig. 1, the embodiment discloses a mixed flow type cooling and ventilating structure for a vertical motor, which includes a stator 1, a cooler 2, a fan 3, a wind shield 4, an inner fan 5 and a rotor 6, wherein the rotor 6 is rotatably disposed inside the stator 1, the cooler 2 is disposed outside the stator 1, the cooler 2 includes a cooling pipe and a housing, the cooling pipe is disposed inside the housing, the fan 3 is disposed at one end of the cooling pipe, the cooling pipe has an air outlet of the cooler 2 at one end of the fan 3, the other end of the cooling pipe is an air inlet of the cooler 2, one side of the air inlet and one side of the air outlet of the cooler 2 are respectively communicated with the inside of the stator 1, the cooling pipe on the cooler 2 exhausts air to the air outlet through the fan 3 to form a cooling air duct, the inner fan 5 is disposed on the rotor 6, the inner fan 5 is disposed at one side of the air inlet of, the wind shield 4 is positioned between the inner fan 5 and the stator 1, and an inner air duct is formed between a gap between the outer shell of the cooler 2 and the outside of the cooling pipe, the stator 1, the rotor 6 and the wind shield 4.
In the inner air duct, the air entering the motor from the gap between the outer shell of the cooler 2 and the outside of the cooling pipe is divided into two streams, one stream of air flows out from the gap between the stator 1 and the rotor 6, the other stream of air flows in the radial direction, flows to the stator winding from the rotor in the radial direction, and is sucked out from the inner fan 5 and discharged into the cooler 2 for cooling.
The wind shield 4 is provided to allow cooling air to flow from the rotor 6 to the core of the stator 1, thereby absorbing heat.
Specifically, the fan 3 and the inner fan 5 are both axial flow fans.
Specifically, the inner fan 5 exhausts air to the air inlet side of the cooler 2.
The utility model discloses having carried out the temperature measurement with IC616 motor, the motor optimizes the bearing temperature rise of the preceding 6 axles of rotor and stretching the end and be 91.4K (Kelvin), and the bearing temperature rise of the rotor other end is 77.1K, optimizes the bearing temperature rise of the 6 axles of back rotor and stretching the end and be 82.1K, descends 9.3K, and the bearing temperature rise of the rotor other end is 67.1K, descends 10K.
Claims (3)
1. The utility model provides a mixed flow cooling ventilation structure for vertical machine, includes stator (1), cooler (2), fan (3), deep bead (4), interior fan (5) and rotor (6), its characterized in that: rotor (6) rotate to set up inside stator (1), stator (1) outside is equipped with cooler (2), the air outlet department of cooler (2) is equipped with fan (3), air intake one side and air outlet one side of cooler (2) communicate with the inside of stator (1) respectively, cooling tube on cooler (2) is passed through fan (3) and is aired exhaust to the air outlet and form the cooling air duct, be provided with interior fan (5) on rotor (6), interior fan (5) are located air intake one side of cooler (2), stator (1) inside is fixed with deep bead (4), deep bead (4) are located between interior fan (5) and stator (1), the space between shell on cooler (2) and the cooling tube outside, stator (1), form in between rotor (6) and the wind duct (4).
2. The mixed-flow cooling ventilation structure for an upright motor according to claim 1, wherein: the fan (3) and the inner fan (5) are both axial flow fans.
3. The mixed-flow cooling ventilation structure for an upright motor according to claim 1, wherein: and the inner fan (5) exhausts air to one side of the air inlet of the cooler (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020199514.5U CN211481090U (en) | 2020-02-21 | 2020-02-21 | Mixed-flow type cooling and ventilating structure for vertical motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020199514.5U CN211481090U (en) | 2020-02-21 | 2020-02-21 | Mixed-flow type cooling and ventilating structure for vertical motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211481090U true CN211481090U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020199514.5U Active CN211481090U (en) | 2020-02-21 | 2020-02-21 | Mixed-flow type cooling and ventilating structure for vertical motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN211481090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833483A (en) * | 2022-12-22 | 2023-03-21 | 佳木斯电机股份有限公司 | Centrifugal fan structure of mixed flow ventilation motor |
-
2020
- 2020-02-21 CN CN202020199514.5U patent/CN211481090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833483A (en) * | 2022-12-22 | 2023-03-21 | 佳木斯电机股份有限公司 | Centrifugal fan structure of mixed flow ventilation motor |
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