CN212367015U - Negative pressure heat dissipation motor unit - Google Patents
Negative pressure heat dissipation motor unit Download PDFInfo
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- CN212367015U CN212367015U CN202022199438.0U CN202022199438U CN212367015U CN 212367015 U CN212367015 U CN 212367015U CN 202022199438 U CN202022199438 U CN 202022199438U CN 212367015 U CN212367015 U CN 212367015U
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- Prior art keywords
- negative pressure
- heat dissipation
- dissipation motor
- motor unit
- motor
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a negative pressure heat dissipation motor unit, the test platform comprises a support, centrifugal fan and heat dissipation motor, the heat dissipation motor includes the casing, motor spindle, the axle support group, rotor and stator, casing and centrifugal fan are all installed on the frame, motor spindle passes through the axle support group and installs in the casing, the rotor is installed on motor spindle, the stator is installed in the casing and the cover is established in the rotor periphery, the casing is equipped with the air intake and is used for the negative pressure pipeline of deriving the inside wind current of casing, negative pressure pipeline is connected with centrifugal fan's income wind zone, centrifugal fan's pivot is passed through the driving medium and is connected with motor spindle.
Description
Technical Field
The utility model relates to a motor heat dissipation technology especially relates to a negative pressure heat dissipation motor unit.
Background
The motor is generally in an IC411 type heat dissipation mode and is naturally cooled, and the cooling mode of the motor is divided into a fully-closed surface axial self-fan cooling mode, namely the motor is cooled by a fan, and an external power supply is not needed for cooling.
The motor is used for cooling the shell, the heat dissipation efficiency is low, the motor is long, the size is large, and the motor is not favorable for transportation and installation in a limited space.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure compactness, low cost, long service life, can improve the negative pressure heat dissipation motor unit of radiating efficiency.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a negative pressure heat dissipation motor unit, includes frame, centrifugal fan and heat dissipation motor, the heat dissipation motor includes casing, motor spindle, axle support group, rotor and stator, casing and centrifugal fan are all installed on the frame, motor spindle organizes through the axle and installs in the casing, the rotor is installed on motor spindle, the stator is installed in the casing and the cover is established in the rotor periphery, the casing is equipped with the air intake and is used for the negative pressure pipeline of deriving the inside wind current of casing, the negative pressure pipeline is connected with centrifugal fan's income wind district, centrifugal fan's pivot is passed through the driving medium and is connected with motor spindle.
As a further improvement of the above technical solution:
the shell is provided with an air outlet, and the negative pressure pipeline is connected with the air outlet.
And a sealing connecting seat is installed at the air outlet, and the negative pressure pipeline is connected with the sealing connecting seat.
The air inlet is arranged at the bottom of the machine shell, and the air outlet is arranged at the top of the machine shell.
The air inlet is arranged at the bottom of the machine shell, and the air outlet is arranged in a first quadrant area or a second quadrant area of the machine shell.
The shaft support group comprises a pair of bearings, a pair of end covers and a pair of pressing plates, the end covers are respectively installed at the front end and the rear end of the shell, the pair of bearings are installed on the end covers of the corresponding ends, the two ends of the motor spindle are sleeved in the bearings of the corresponding ends, and the pair of pressing plates are installed on the end covers of the corresponding ends and press the corresponding bearings.
The inside many support bars that are provided with of casing, the end cover bears on the support bar.
The outer wall of the shell is a smooth surface.
The transmission part is a belt pulley transmission pair.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a negative pressure heat dissipation motor unit, during the operation, utilizes motor spindle to drive the rotor and rotate, and motor spindle drives the centrifugal fan operation through the driving medium simultaneously, and centrifugal fan produces the negative pressure, and outside low temperature air carries out the forced air cooling to motor spindle, axle support group, rotor and stator in getting into the casing from the air intake, and the hot-air after the heat transfer is discharged from the negative pressure pipeline. Compared with the traditional structure, the heat dissipation motor unit forms negative pressure heat dissipation through the air inlet, the negative pressure pipeline and the centrifugal fan, and is different from the traditional motor in that heat is firstly transferred to the shell, and then the shell and the atmosphere dissipate heat. The utility model selects the internal channel, all the air entering the inner cavity participates in the heat exchange, improves the heat dissipation efficiency, can effectively reduce the running temperature of the motor, and the shaft support group is also isolated by the cold air which is just entered, effectively reduces the possibility of high temperature damage of the shaft support group, reduces the influence of the high temperature on the service life of the motor during long-time running, improves the stability of the long-time running of the product, can effectively reduce the loss of the motor, and improves the efficiency of the motor; further, adopt effectively to shorten the motor overall length after the above-mentioned structure, can further optimize motor structure, improve the stability of operation, adopt inside radiating mode, can effectively reduce motor operating temperature, motor operating temperature falls more than 10K than from fan circulation mode temperature motor winding temperature rise under same operating mode, cancels and can effectively reduce motor loss from the fan and improve motor life, can effectively reduce manufacturing cost after reducing the part, improves product market competition.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a three-dimensional exploded structure of a heat dissipation motor in embodiment 1 of the present invention.
Fig. 3 is a schematic perspective view of a heat dissipation motor in embodiment 1 of the present invention.
Fig. 4 is a schematic perspective view of embodiment 2 of the present invention.
Fig. 5 is a schematic perspective view of a heat dissipation motor in embodiment 2 of the present invention.
The reference numerals in the figures denote:
1. a machine base; 2. a centrifugal fan; 3. a heat dissipation motor; 31. a housing; 311. an air inlet; 312. an air outlet; 3121. sealing the connecting seat; 313. a supporting strip; 32. a motor spindle; 33. a shaft support group; 331. a bearing; 332. an end cap; 333. a pair of press plates; 34. a rotor; 35. a stator; 36. a negative pressure pipeline; 4. a transmission member.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Example 1:
fig. 1 to fig. 3 show the utility model discloses a first embodiment of negative pressure heat dissipation motor unit, which comprises a frame 1, centrifugal fan 2 and heat dissipation motor 3, heat dissipation motor 3 includes casing 31, motor spindle 32, axle support group 33, rotor 34 and stator 35, casing 31 and centrifugal fan 2 are all installed on frame 1, motor spindle 32 passes through axle support group 33 and installs in casing 31, rotor 34 is installed on motor spindle 32, stator 35 is installed in casing 31 and is established at rotor 34 periphery, casing 31 is equipped with air intake 311 and is used for the negative pressure pipeline 36 of deriving the inside wind current of casing 31, negative pressure pipeline 36 is connected with centrifugal fan 2's the district that enters the wind, centrifugal fan 2's pivot is passed through driving medium 4 and is connected with motor spindle 32. When the motor is operated, the motor spindle 32 is used for driving the rotor 34 to rotate, the motor spindle 32 simultaneously drives the centrifugal fan 2 to operate through the transmission piece 4, the centrifugal fan 2 generates negative pressure, external low-temperature air enters the machine shell 31 from the air inlet 311 to cool the motor spindle 32, the shaft support group 33, the rotor 34 and the stator 35, and hot air after heat exchange is discharged from the negative pressure pipeline 36. Compared with the traditional structure, the heat dissipation motor unit forms negative pressure heat dissipation through the air inlet 311, the negative pressure pipeline 36 and the centrifugal fan 2, and is different from the traditional motor in that heat is firstly transferred to the shell, and then the shell and the atmosphere dissipate heat. The utility model selects the internal channel, all the air entering the inner cavity participates in the heat exchange, improves the heat dissipation efficiency, can effectively reduce the running temperature of the motor, and the shaft support group 33 is also isolated by the cold air which is just entered, effectively reduces the possibility of high temperature damage of the shaft support group 33, reduces the influence of the high temperature on the service life of the motor in long-time running, improves the stability of the long-time running of the product, can effectively reduce the loss of the motor, and improves the efficiency of the motor; further, adopt effectively to shorten the motor overall length after the above-mentioned structure, can further optimize motor structure, improve the stability of operation, adopt inside radiating mode, can effectively reduce motor operating temperature, motor operating temperature falls more than 10K than from fan circulation mode temperature motor winding temperature rise under same operating mode, cancels and can effectively reduce motor loss from the fan and improve motor life, can effectively reduce manufacturing cost after reducing the part, improves product market competition.
In this embodiment, the casing 31 is provided with an air outlet 312, and the negative pressure pipeline 36 is connected to the air outlet 312. The structure is simple and reliable.
In this embodiment, the air outlet 312 is provided with a sealing connection seat 3121, and the negative pressure pipeline 36 is connected to the sealing connection seat 3121. Through this sealed connecting seat 3121, guaranteed the sealing performance that air outlet 312 and negative pressure pipeline 36 are connected, ensured the radiating effect.
In this embodiment, the air inlet 311 is disposed at the bottom of the casing 31, and the air outlet 312 is disposed at the top of the casing 31. Set up air outlet 312 and air intake 311 through top and bottom, can guarantee the heat transfer space maximize on the one hand, on the other hand can prevent that air intake 311 from meeting water corrosion.
In this embodiment, shaft support group 33 includes a pair of bearings 331, a pair of end caps 332, and a pair of pressure plates 333, where the pair of end caps 332 are respectively installed at the front and rear ends of casing 31, the pair of bearings 331 are installed on the end caps 332 at the corresponding ends, both ends of motor spindle 32 are sleeved in the bearings 331 at the corresponding ends, and the pair of pressure plates 333 are installed on the end caps 332 at the corresponding ends and press the corresponding bearings 331. The structure is simple and reliable.
In this embodiment, a plurality of support bars 313 are disposed inside the casing 31, and the end cover 332 is supported on the support bars 313. The support bars 313 are mainly used for supporting the center of the stator 35 to be concentric with the mounting position of the end cover 332, providing space for the internal airflow channel and increasing the heat dissipation area of the stator by being in close contact with the stator 35.
In this embodiment, the outer wall of the housing 31 is a smooth surface. Namely, the structure of the radiating fins on the outer wall of the casing 31 is omitted, the forming difficulty of the casing 31 is reduced, and the cost is reduced.
In this embodiment, the transmission member 4 is a pulley transmission pair. The structure is simple and easy.
Example 2:
fig. 4 and 5 show a second embodiment of the negative pressure heat dissipation motor unit of the present invention, which is basically the same as embodiment 1, except that: in this embodiment, the air inlet 311 is disposed at the bottom of the housing 31, and the air outlet 312 is disposed in the first quadrant or the second quadrant of the housing 31. Namely, an air exhaust mode at the upper side direction is formed, and the optimization of the heat exchange space can be ensured.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a negative pressure heat dissipation motor unit which characterized in that: comprises a base (1), a centrifugal fan (2) and a heat dissipation motor (3), wherein the heat dissipation motor (3) comprises a casing (31), a motor spindle (32), a shaft support group (33), a rotor (34) and a stator (35), the shell (31) and the centrifugal fan (2) are both arranged on the base (1), the motor spindle (32) is arranged in the machine shell (31) through a shaft support group (33), the rotor (34) is arranged on the motor spindle (32), the stator (35) is arranged in the shell (31) and sleeved on the periphery of the rotor (34), the shell (31) is provided with an air inlet (311) and a negative pressure pipeline (36) for guiding out air flow in the shell (31), the negative pressure pipeline (36) is connected with an air inlet area of the centrifugal fan (2), and a rotating shaft of the centrifugal fan (2) is connected with the motor spindle (32) through a transmission piece (4).
2. The negative pressure heat dissipation motor unit of claim 1, wherein: an air outlet (312) is formed in the machine shell (31), and the negative pressure pipeline (36) is connected with the air outlet (312).
3. The negative pressure heat dissipation motor unit of claim 2, wherein: the air outlet (312) is provided with a sealing connecting seat (3121), and the negative pressure pipeline (36) is connected with the sealing connecting seat (3121).
4. The negative pressure heat dissipation motor unit of claim 3, wherein: the air inlet (311) is arranged at the bottom of the machine shell (31), and the air outlet (312) is arranged at the top of the machine shell (31).
5. The negative pressure heat dissipation motor unit of claim 3, wherein: the air inlet (311) is arranged at the bottom of the machine shell (31), and the air outlet (312) is arranged in a first quadrant area or a second quadrant area of the machine shell (31).
6. The negative pressure heat dissipation motor unit according to any one of claims 1 to 5, characterized in that: the shaft support group (33) comprises a pair of bearings (331), a pair of end covers (332) and a pair of pressing plates (333), the pair of end covers (332) are respectively installed at the front end and the rear end of the machine shell (31), the pair of bearings (331) are installed on the end covers (332) at the corresponding ends, two ends of the motor main shaft (32) are sleeved in the bearings (331) at the corresponding ends, and the pair of pressing plates (333) are installed on the end covers (332) at the corresponding ends and press the corresponding bearings (331).
7. The negative pressure heat dissipation motor unit of claim 6, wherein: a plurality of supporting bars (313) are arranged inside the machine shell (31), and the end cover (332) is loaded on the supporting bars (313).
8. The negative pressure heat dissipation motor unit according to any one of claims 1 to 5, characterized in that: the outer wall of the shell (31) is a smooth surface.
9. The negative pressure heat dissipation motor unit of claim 7, wherein: the outer wall of the shell (31) is a smooth surface.
10. The negative pressure heat dissipation motor unit according to any one of claims 1 to 5, characterized in that: the transmission part (4) is arranged as a belt pulley transmission pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199438.0U CN212367015U (en) | 2020-09-29 | 2020-09-29 | Negative pressure heat dissipation motor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199438.0U CN212367015U (en) | 2020-09-29 | 2020-09-29 | Negative pressure heat dissipation motor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212367015U true CN212367015U (en) | 2021-01-15 |
Family
ID=74144461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022199438.0U Active CN212367015U (en) | 2020-09-29 | 2020-09-29 | Negative pressure heat dissipation motor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212367015U (en) |
-
2020
- 2020-09-29 CN CN202022199438.0U patent/CN212367015U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 414000 No. 9, West of Ankang Road and North of Liaoyuan Road, Jinlong District, High tech Zone, Jinlong Town, Xiangyin County, Yueyang City, Hunan Province Patentee after: HUNAN JINNUO POWER EQUIPMENT MANUFACTURING CO.,LTD. Address before: 21 / F, building 2, Yingxiang spring phase 2, 220 Fuyuan West Road, Kaifu District, Changsha City, Hunan Province 410005 Patentee before: HUNAN JINNUO POWER EQUIPMENT MANUFACTURING CO.,LTD. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Yizhong Fan Co.,Ltd. Assignor: HUNAN JINNUO POWER EQUIPMENT MANUFACTURING CO.,LTD. Contract record no.: X2023980047101 Denomination of utility model: A negative pressure heat dissipation motor unit Granted publication date: 20210115 License type: Common License Record date: 20231120 |