CN111682698A - Motor with good heat dissipation effect - Google Patents
Motor with good heat dissipation effect Download PDFInfo
- Publication number
- CN111682698A CN111682698A CN202010355082.7A CN202010355082A CN111682698A CN 111682698 A CN111682698 A CN 111682698A CN 202010355082 A CN202010355082 A CN 202010355082A CN 111682698 A CN111682698 A CN 111682698A
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- Prior art keywords
- heat dissipation
- motor
- air
- plate
- dissipation effect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to a motor with good heat dissipation effect, which relates to the technical field of motors and comprises a shell, a fan cover, a motor shaft, heat dissipation fan blades connected with the motor shaft and an air supply device, wherein the air supply device comprises an air outlet part and an airflow generating mechanism communicated with the air outlet part, the air outlet part is positioned in the fan cover, and the heat dissipation fan blades are positioned between the air outlet part and the shell. The invention has the characteristic of better heat dissipation effect on the middle section and the front section of the motor.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor with a good heat dissipation effect.
Background
At present, the cooling mode of the motor mainly comprises the following steps: natural cooling, forced air cooling, self-ventilation and water cooling.
Referring to fig. 1, the conventional motor includes a housing 1, a fan housing 23, a motor shaft 21, and a heat dissipating fan 22, wherein the fan housing 23 is located at one end of the housing 1 and connected to the housing 1, and the heat dissipating fan 22 is connected to the motor shaft 21 and located in a cavity formed by the fan housing 23 and the housing 1.
The above prior art solutions have the following drawbacks: in the working process of the motor, the motor shaft can drive the radiating fan blades to rotate, so that air flow is generated to cool the motor. However, in actual use, the amount of air generated by the rotation of the heat dissipation fan blades is limited, so that the cooling effect on the middle and front sections of the motor is relatively general.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the motor with good heat dissipation effect, which has the characteristic of good heat dissipation effect on the middle and front sections of the motor.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a motor that radiating effect is good, includes casing, fan housing, motor shaft and the heat dissipation flabellum that is connected with the motor shaft, still includes air supply arrangement, air supply arrangement include air-out spare and the air current that is linked together with the air-out spare and take place the mechanism, air-out spare be located the fan housing, the heat dissipation flabellum be located between air-out spare and the casing.
Through adopting above-mentioned technical scheme, when the motor is in operating condition, the motor shaft drives the heat dissipation flabellum rotatory, at this moment, the air current takes place in the mechanism produces the air current and gets into the fan housing through air-out spare to flow towards the heat dissipation flabellum, consequently the air current flow increase through the heat dissipation flabellum in the unit interval, make the air current velocity of flow that blows off by the heat dissipation flabellum bigger, the air current can flow to the well of casing, the anterior segment, consequently can play better radiating effect to the well anterior segment of motor.
The present invention in a preferred example may be further configured to: the air outlet element comprises an inner ring wall and an outer ring wall, the inner ring wall is connected with the outer ring wall, an air flow cavity is formed between the inner ring wall and the outer ring wall, an outer guide plate is arranged on the outer ring wall, an inner guide plate is arranged on the inner ring wall, an air outlet gap is formed between the outer guide plate and the inner guide plate, the air outlet gap is communicated with the air flow cavity, and the air outlet gap faces the heat dissipation fan blades.
Through adopting above-mentioned technical scheme, in the motor working process, the air current that the air current takes place the mechanism and produces the air current and can get into the air current intracavity to finally discharge by the air-out clearance, when the air current was discharged from the air-out clearance, because the air-out clearance is less, when consequently the air current was discharged from the air-out clearance, air current velocity is faster, thereby make the space between the inner ring wall form the negative pressure zone, and then make the air outside the fan housing fill up to the negative pressure zone in under the effect of pressure, consequently make the air current flow of blowing to the heat dissipation flabellum bigger.
The present invention in a preferred example may be further configured to: the width of the air outlet gap is 0.8mm-1.2 mm.
Through adopting above-mentioned technical scheme, consequently when the air current was discharged from the air-out clearance, the air current velocity of flow of following air-out clearance exhaust is higher.
The present invention in a preferred example may be further configured to: the fan cover comprises a ring plate and a ventilation plate connected with the ring plate, the ring plate is connected with the casing, the outer ring wall is connected with the ring plate, the ventilation plate and the radiating fan blades are oppositely arranged and provided with ventilation holes, the ring plate is provided with auxiliary holes, and the auxiliary holes penetrate through the ring plate.
Through adopting above-mentioned technical scheme, when the air current was discharged from the air-out clearance, outside air current can be followed ventilative hole and auxiliary hole and entered into to the fan housing in, consequently makes outside air can be quick enter into to the fan housing in.
The present invention in a preferred example may be further configured to: the airflow generating mechanism comprises a driving part and a generating part, the generating part comprises a generating box and an impeller positioned in the generating box, the generating box is also provided with an air inlet hole, the generating box is communicated with the airflow cavity, and the driving part drives the impeller to rotate.
Through adopting above-mentioned technical scheme, when the motor during operation, driving piece drive impeller rotates to the air that will take place the box outside is extracted to taking place the box through the fresh air inlet, and finally is carried to the air current intracavity.
The present invention in a preferred example may be further configured to: the driving piece comprises a rotating shaft and a transmission belt, the rotating shaft extends into the generating box and is connected with the impeller, one end of the transmission belt is connected with the motor shaft, and the other end of the transmission belt penetrates through the annular plate and is connected with the rotating shaft.
Through adopting above-mentioned technical scheme, when the motor during operation, the motor shaft takes place to rotate to drive the pivot through driving belt and rotate, and then reach and drive impeller pivoted purpose.
The present invention in a preferred example may be further configured to: the ring plate on be equipped with the support column, the support column on be equipped with the bearing, the bearing housing establish in the pivot, the support column be located the one end of keeping away from the emergence box.
Through adopting above-mentioned technical scheme, the pivot is connected with the support column through the bearing, therefore the existence of support column makes the pivot more stable at the pivoted in-process.
The present invention in a preferred example may be further configured to: the fan housing on still be equipped with the protection box, the one end that driving belt is connected with the pivot be located the protection box, the protection box be connected with the support column.
Through adopting above-mentioned technical scheme, when the motor is in operating condition, pivoted driving belt is located the protection box, consequently can effectively avoid in the course of the work, the staff mistake touches driving belt and the problem that has the potential safety hazard that leads to takes place.
The present invention in a preferred example may be further configured to: the casing on be equipped with the heat dissipation rib, the heat dissipation rib on be equipped with the louvre, the louvre axial run through the heat dissipation rib.
Through adopting above-mentioned technical scheme, when radiating fan blade blows the air current to heat dissipation rib department, partial air current can enter into in the radiating hole to flow to the well anterior segment of motor along the radiating hole, consequently, further strengthened the radiating effect to anterior segment in the motor.
The present invention in a preferred example may be further configured to: the heat dissipation rib be close to the one end of heat dissipation flabellum and be equipped with the water conservancy diversion swash plate, the water conservancy diversion swash plate setting is in the both sides of heat dissipation rib, the water conservancy diversion swash plate that sets up relatively forms the water conservancy diversion runner, the width of the cross section of water conservancy diversion runner reduce along the direction of keeping away from the fan housing gradually.
Through adopting above-mentioned technical scheme, when radiating fan blade blows the air current to heat dissipation rib department, partial air current can enter into the gap between the heat dissipation rib, because the width of the cross section of water conservancy diversion runner and water conservancy diversion runner reduces along the direction of keeping away from the fan housing gradually in the existence of water conservancy diversion runner, consequently, when the air current passes through the water conservancy diversion runner, and when the one end discharge of keeping away from the fan housing, the velocity of flow of air current is faster, thereby make the air current can flow to the well anterior segment of motor, and then make and can play good cooling effect to the anterior segment in the motor.
In summary, the invention includes at least one of the following beneficial technical effects:
when the motor is in a working state, the motor shaft drives the radiating fan blades to rotate, and at the moment, the airflow generated by the airflow generating mechanism enters the fan cover through the air outlet part and flows towards the radiating fan blades, so that the airflow passing through the radiating fan blades in unit time is increased, the airflow speed blown out by the radiating fan blades is higher, and the airflow can flow to the middle section and the front section of the shell, so that a better radiating effect can be achieved on the middle section and the front section of the motor;
when the motor works, the motor shaft rotates, so that the rotating shaft is driven to rotate through the transmission belt, the purpose of driving the impeller to rotate is achieved, and air flow is generated to cool the motor.
Drawings
Fig. 1 is a schematic diagram of a prior art explosive structure.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a schematic view of the structure of the heat dissipation rib of the present invention.
Reference numerals: 1. a housing; 11. heat dissipation ribs; 111. heat dissipation holes; 12. a flow guiding sloping plate; 121. a flow guide runner; 21. a motor shaft; 22. a heat dissipation fan blade; 23. a fan housing; 231. a ring plate; 2311. an auxiliary hole; 232. a ventilation plate; 2321. a ventilation hole; 233. a protective case; 234. a support pillar; 3. a drive member; 31. a drive belt; 32. a rotating shaft; 4. a generating element; 41. a generation box; 411. an air inlet hole; 42. an impeller; 5. an air outlet member; 51. an inner annular wall; 511. an inner baffle; 52. an outer annular wall; 521. an outer baffle; 53. an airflow chamber; 54. and an air outlet gap.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2 and 3, the motor with a good heat dissipation effect disclosed by the present invention includes a casing 1, a fan housing 23, a motor shaft 21, a heat dissipation fan blade 22 connected to the motor shaft 21, and an air supply device, where the air supply device includes an air outlet member 5 and an airflow generating mechanism communicated with the air outlet member 5, the air outlet member 5 is located in the fan housing 23, and the heat dissipation fan blade 22 is located between the air outlet member 5 and the casing 1.
The fan housing 23 includes a ring plate 231 and a ventilation plate 232 connected to the ring plate 231, the ring plate 231 is connected to the casing 1, the ventilation plate 232 and the heat dissipating fan 22 are disposed opposite to each other and provided with ventilation holes 2321, the ring plate 231 is provided with auxiliary holes 2311, the auxiliary holes 2311 are located between the air outlet member 5 and the heat dissipating fan 22, and the auxiliary holes 2311 penetrate through the ring plate 231.
Referring to fig. 3 and 4, the air outlet member 5 is annular, the air outlet member 5 includes an inner annular wall 51 and an outer annular wall 52, the outer annular wall 52 is connected to the annular plate 231, the inner annular wall 51 is connected to the outer annular wall 52, an airflow cavity 53 is formed between the inner annular wall 51 and the outer annular wall 52, the airflow generating mechanism is communicated with the airflow cavity 53, an outer guide plate 521 is disposed on the outer annular wall 52, an inner guide plate 511 is disposed on the inner annular wall 51, an air outlet gap 54 is formed between the outer guide plate 521 and the inner guide plate 511, the air outlet gap 54 is communicated with the airflow cavity 53, the air outlet gap 54 faces the heat dissipating fan blades 22, and the width of the air outlet gap 54 is 0.8mm to 1..
When the motor works, the airflow generating mechanism generates airflow and sends the airflow into the airflow cavity 53, the airflow flows in the airflow cavity 53 and is finally discharged from the air outlet gap 54 and blown to the heat dissipation fan blades 22, so that the air pressure between the inner annular walls 51 is reduced, external air can be supplemented to the space between the inner annular walls 51 from the air permeable holes 2321, and meanwhile, when the airflow generated at the air outlet gap 54 flows to the heat dissipation fan blades 22, the air outside the ring plate 231 can be supplemented to the ring plate 231 (namely between the heat dissipation fan blades 22 and the air outlet member 5) from the auxiliary holes 2311, so that the airflow reaching the heat dissipation fan blades 22 is larger, the flow rate of the air passing through the heat dissipation fan blades 22 is faster, and then the air can reach the middle front section of the motor, and the middle front section has a better heat dissipation effect.
Referring to fig. 2 and 3, the airflow generating mechanism includes a driving member 3 and a generating member 4, the generating member 4 includes a generating box 41 and an impeller 42 located in the generating box 41, the generating box 41 is connected with a ring plate 231 and located above the ring plate 231, the impeller 42 is a through-flow impeller, air inlet holes 411 are all formed in radial side walls of the generating box 41, the position where the generating box 41 is communicated with the airflow cavity 53 is located at the bottom of the generating box 41, and the driving member 3 drives the impeller 42 to rotate. The driving member 3 includes a rotating shaft 32 and a transmission belt 31, the rotating shaft 32 extends into the generating box 41 and is connected with the generating box 41 through a bearing, one end of the transmission belt 31 is connected with the impeller 42, one end of the transmission belt 31 is connected with the motor shaft 21, and the other end of the transmission belt passes through the annular plate 231 and is connected with the rotating shaft 32. The supporting column 234 is arranged on the annular plate 231, the bearing is arranged on the supporting column 234 and sleeved on the rotating shaft 32, and the supporting column 234 is located at one end far away from the generating box 41 and located between the transmission belt 31 and the impeller 42. The wind shield 23 is further provided with a protection box 233, the protection box 233 is connected with the ring plate 231 and located above the ring plate 231, one end of the transmission belt 31 connected with the rotating shaft 32 is located in the protection box 233, and the protection box 233 is connected with the supporting column 234.
When the motor is operated, the motor shaft 21 rotates and drives the rotating shaft 32 to rotate through the transmission belt 31, so as to drive the impeller 42 to rotate, and air is extracted from the air inlet holes 411 and conveyed into the air flow chamber 53.
Referring to fig. 5, the casing 1 is provided with a heat dissipating rib 11, the heat dissipating rib 11 is provided with a heat dissipating hole 111, and the heat dissipating hole 111 axially penetrates through the heat dissipating rib 11. One end of the heat dissipation rib 11 close to the heat dissipation fan 22 is provided with a flow guiding sloping plate 12, the flow guiding sloping plate 12 is arranged at two sides of the heat dissipation rib 11, the oppositely arranged flow guiding sloping plates 12 form a flow guiding channel 121, and the width of the cross section of the flow guiding channel 121 is gradually reduced along the direction far away from the fan housing 23. The inner walls of the diversion inclined plates 12 and the annular plate 231 are attached to each other, and one section of the heat dissipation rib 11 connected with the diversion inclined plates 12 is also attached to the inner wall of the annular plate 231.
When the heat dissipating fan 22 blows the air flow to the heat dissipating rib 11, a part of the air flow enters the heat dissipating hole 111 and flows to the middle front section of the motor along the heat dissipating hole 111, another part of the air flow flows along the diversion channel 121, and when the air flow is discharged from the diversion channel 121, because the width of the cross section of the diversion channel 121 is gradually reduced along the direction away from the fan cover 23, the flow rate of the air flow is faster, so that the air flow can flow to the middle front section of the motor, and further the middle front section of the motor can be cooled well.
The implementation principle of the embodiment is as follows: when the motor works, the motor shaft 21 drives the rotating shaft 32 to rotate through the transmission belt 31, and further drives the impeller 42 to rotate, so as to draw the outside air into the airflow cavity 53, and exhaust the outside air from the air outlet gap 54 to blow toward the heat dissipation fan blades 22, and therefore, the air pressure between the inner annular walls 51 is reduced, and the outside air can be supplemented from the air penetration hole 2321 to between the inner annular walls 51, and meanwhile, when the air flow generated at the air outlet gap 54 flows toward the heat dissipation fan blades 22, the air outside the ring plate 231 can be supplemented from the auxiliary hole 2311 to the ring plate 231 (i.e., between the heat dissipation fan blades 22 and the air outlet member 5), so that the air flow reaching the heat dissipation fan blades 22 is larger, and the air passing through the heat dissipation fan blades 22 partially reaches the middle front section of the motor through the heat dissipation holes 111, and partially flows along the flow guide flow channel 121, and finally enters the gaps between the heat dissipation ribs 11, and flows along the gaps between the, thereby having good heat dissipation effect on the middle and front sections of the motor.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a motor that radiating effect is good, includes casing (1), fan housing (23), motor shaft (21) and heat dissipation flabellum (22) that are connected with motor shaft (21), its characterized in that: still include air supply arrangement, air supply arrangement include air-out spare (5) and the air current that is linked together with air-out spare (5) take place the mechanism, air-out spare (5) be located fan housing (23), heat dissipation flabellum (22) be located between air-out spare (5) and casing (1).
2. The motor with good heat dissipation effect according to claim 1, wherein: the air outlet element (5) comprises an inner annular wall (51) and an outer annular wall (52), the inner annular wall (51) is connected with the outer annular wall (52), an airflow cavity (53) is formed between the inner annular wall (51) and the outer annular wall (52), an outer guide plate (521) is arranged on the outer annular wall (52), an inner guide plate (511) is arranged on the inner annular wall (51), an air outlet gap (54) is formed between the outer guide plate (521) and the inner guide plate (511), the air outlet gap (54) is communicated with the airflow cavity (53), and the air outlet gap (54) faces the heat dissipation fan blades (22).
3. The motor with good heat dissipation effect according to claim 2, characterized in that: the width of the air outlet gap (54) is 0.8mm-1.2 mm.
4. The motor with good heat dissipation effect according to claim 2, characterized in that: the fan cover (23) comprises a ring plate (231) and a ventilation plate (232) connected with the ring plate (231), the ring plate (231) is connected with the casing (1), the outer ring wall (52) is connected with the ring plate (231), the ventilation plate (232) and the radiating fan blades (22) are oppositely arranged and provided with ventilation holes (2321), the ring plate (231) is provided with auxiliary holes (2311), and the auxiliary holes (2311) penetrate through the ring plate (231).
5. The motor with good heat dissipation effect according to claim 4, wherein: the airflow generation mechanism comprises a driving part (3) and a generation part (4), the generation part (4) comprises a generation box (41) and an impeller (42) positioned in the generation box (41), an air inlet hole (411) is further formed in the generation box (41), the generation box (41) is communicated with an airflow cavity (53), and the driving part (3) drives the impeller (42) to rotate.
6. The motor with good heat dissipation effect of claim 5, wherein: the driving piece (3) include pivot (32) and driving belt (31), pivot (32) stretch into and take place in box (41) and be connected with impeller (42), driving belt (31) one end be connected with motor shaft (21), the other end passes crown plate (231) and is connected with pivot (32).
7. The motor with good heat dissipation effect according to claim 6, wherein: the ring plate (231) on be equipped with support column (234), support column (234) on be equipped with the bearing, the bearing housing establish in pivot (32), support column (234) be located keep away from the one end that takes place box (41).
8. The motor with good heat dissipation effect of claim 7, wherein: the wind shield (23) is further provided with a protection box (233), one end of the transmission belt (31) connected with the rotating shaft (32) is located in the protection box (233), and the protection box (233) is connected with the supporting column (234).
9. The motor with good heat dissipation effect according to claim 1, wherein: casing (1) on be equipped with heat dissipation rib (11), heat dissipation rib (11) on be equipped with louvre (111), louvre (111) axial run through heat dissipation rib (11).
10. The motor with good heat dissipation effect of claim 9, wherein: radiating rib (11) one end that is close to radiating fan blade (22) be equipped with water conservancy diversion swash plate (12), water conservancy diversion swash plate (12) set up the both sides at radiating rib (11), water conservancy diversion swash plate (12) that set up relatively form water conservancy diversion runner (121), the width of the cross section of water conservancy diversion runner (121) reduce gradually along the direction of keeping away from fan housing (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355082.7A CN111682698B (en) | 2020-04-29 | 2020-04-29 | Motor with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355082.7A CN111682698B (en) | 2020-04-29 | 2020-04-29 | Motor with good heat dissipation effect |
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| Publication Number | Publication Date |
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| CN111682698A true CN111682698A (en) | 2020-09-18 |
| CN111682698B CN111682698B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010355082.7A Active CN111682698B (en) | 2020-04-29 | 2020-04-29 | Motor with good heat dissipation effect |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001178079A (en) * | 1999-12-20 | 2001-06-29 | Mitsubishi Electric Corp | Forced cooling type totally enclosed dynamo-electric machine |
| CN1835347A (en) * | 2005-03-14 | 2006-09-20 | 凯瑟压缩机有限公司 | Compressor assembly having an air-cooled electric motor |
| CN204258545U (en) * | 2014-11-10 | 2015-04-08 | 界首市大江金属有限公司 | A kind of electric motor temperature reduction device |
| JP2015208101A (en) * | 2014-04-18 | 2015-11-19 | 株式会社三井三池製作所 | Squirrel-cage motor |
| CN210397171U (en) * | 2019-07-11 | 2020-04-24 | 温岭市莱宝机电有限公司 | Axial flow fan |
-
2020
- 2020-04-29 CN CN202010355082.7A patent/CN111682698B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001178079A (en) * | 1999-12-20 | 2001-06-29 | Mitsubishi Electric Corp | Forced cooling type totally enclosed dynamo-electric machine |
| CN1835347A (en) * | 2005-03-14 | 2006-09-20 | 凯瑟压缩机有限公司 | Compressor assembly having an air-cooled electric motor |
| JP2015208101A (en) * | 2014-04-18 | 2015-11-19 | 株式会社三井三池製作所 | Squirrel-cage motor |
| CN204258545U (en) * | 2014-11-10 | 2015-04-08 | 界首市大江金属有限公司 | A kind of electric motor temperature reduction device |
| CN210397171U (en) * | 2019-07-11 | 2020-04-24 | 温岭市莱宝机电有限公司 | Axial flow fan |
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| Publication number | Publication date |
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| CN111682698B (en) | 2021-04-20 |
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Denomination of invention: A motor with good heat dissipation effect Effective date of registration: 20220913 Granted publication date: 20210420 Pledgee: Industrial and Commercial Bank of China Co.,Ltd. Taizhou Luqiao Sub branch Pledgor: Zhejiang Qizhi Electric Co.,Ltd. Registration number: Y2022330002212 |
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