CN110994904A - Motor heat abstractor based on gear drive principle - Google Patents
Motor heat abstractor based on gear drive principle Download PDFInfo
- Publication number
- CN110994904A CN110994904A CN201911289879.5A CN201911289879A CN110994904A CN 110994904 A CN110994904 A CN 110994904A CN 201911289879 A CN201911289879 A CN 201911289879A CN 110994904 A CN110994904 A CN 110994904A
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- Prior art keywords
- fixedly connected
- gear
- fan
- heat dissipation
- cover
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Classifications
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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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to the technical field of motors and discloses a motor heat dissipation device based on a gear transmission principle, which comprises a machine shell, wherein inner heat dissipation holes are formed in the surface of the machine shell, a cover plate is fixedly connected to the outer portions of the inner heat dissipation holes, a fixed frame is fixedly connected to the inner portion of the machine shell, a stator is fixedly connected to the inner portion of the fixed frame, a rotor is movably connected to the inner portion of the stator, a rotating shaft is fixedly connected to the inner portion of the rotor, a bearing is fixedly connected to the outer portion of the rotating shaft, a fixed cover is fixedly connected to the outer portion of the bearing, an inner gear is movably connected to the inner portion of the fixed cover, a connecting gear is meshed and connected to the outer portion of the inner gear, a connecting shaft is movably connected to the inner portion of the connecting gear, and the inner heat dissipation holes, a filter cavity, the working process and the service life of the motor are ensured.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor heat dissipation device based on a gear transmission principle.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, and generally comprises a rotor with a rotating shaft, a bearing, a stator, a shell, a front end cover and a rear end cover, and is widely applied to various fields such as electric tools, household appliances, small mechanical equipment and the like due to simple and stable structural characteristics.
In the motor in the prior art, a heat dissipation fan is usually installed at one end of a rotating shaft of the motor, the heat dissipation fan rotates along with the rotating shaft of the motor in the same direction and circulates through a ventilation hole formed in a fan cover, and because the heat dissipation fan and the rotating shaft rotate in the same direction, the wind power in the motor and the rotation direction of a rotor are the same, the heat dissipation effect of the motor is not obvious, the motor only circulates through a ventilation opening of the fan cover, the ventilation effect is poor, the heat dissipation of the motor is further influenced, and the operation of a.
In addition, the heat dissipation fan is usually directly connected to the rotating shaft, and other fixing methods are not available, so that the heat dissipation fan is not firmly connected with the rotating shaft, slip noise is caused, and damage to fan blades is easily caused due to expansion caused by heat and contraction caused by cold and vibration of the rotating shaft.
In order to solve the above problems, the inventor provides a motor heat dissipation device based on the gear transmission principle, which has the advantages of good heat dissipation effect, good ventilation effect, stable fan blade structure and low noise, the ventilation and heat dissipation effects are achieved by using the inner heat dissipation holes, the filter cavity and the outer heat dissipation holes in a matched manner, the filter cavity effectively prevents dust from polluting the motor, the working process and the service life of the motor are ensured, the effects that the fan shaft and the rotating shaft rotate in opposite directions and the rotating speed of the fan shaft is greater than that of the rotating shaft are achieved by using the inner gear, the connecting gear, the fan gear and the fan shaft in a matched manner, the wind entering the motor is opposite to the rotating direction of the rotor, the relative motion of the wind and the rotor is increased, the heat dissipation effect is improved, the rotating speed of the fan shaft is greater than that of the rotating shaft, the heat dissipation effect is further increased, and the problems of, The fan blade connection is unstable and the noise is large.
Disclosure of Invention
In order to achieve the purposes of good heat dissipation effect, good ventilation effect, stable fan blade structure and low noise, the invention provides the following technical scheme: a motor heat dissipation device based on a gear transmission principle comprises a machine shell, inner heat dissipation holes, a cover plate body, mounting pieces, a transition cavity, a partition plate, a Z-shaped hole, a filter cavity, outer heat dissipation holes, a fixing frame, a stator, a rotor, a rotating shaft, a bearing, a fixing cover, an inner gear, a connecting shaft, a fan gear, a fan shaft, inner end covers, a fan hub, fan blades, a circular ring, a rolling body and a fan cover.
The positions and the connection relations of the structures are as follows:
the surface of the casing is provided with inner heat dissipation holes, the outer parts of the inner heat dissipation holes are fixedly connected with a cover plate, the inner parts of the casing are fixedly connected with a fixed frame, the inner parts of the fixed frame are fixedly connected with a stator, the inner parts of the stator are movably connected with a rotor, the inner parts of the rotor are fixedly connected with a rotating shaft, the outer parts of the rotating shaft are fixedly connected with a bearing, the outer parts of the bearing are fixedly connected with a fixed cover, the inner parts of the fixed cover are movably connected with an inner gear, the outer parts of the inner gear are meshed with a connecting gear, the inner parts of the connecting gear are movably connected with a connecting shaft, the outer parts of the connecting gear are meshed with a fan gear, the inner parts of the fan gear are fixedly connected with a fan shaft, the outer parts of the fan shaft are movably, the fan blade is characterized in that a circular ring is fixedly connected to the outer portion of the fan blade, a rolling body is movably connected to the outer portion of the circular ring, and a fan cover is movably connected to the outer portion of the rolling body.
The apron includes the apron body, the outside fixedly connected with installation piece of apron body, the transition chamber has been seted up to the bottom of apron body, the inside fixedly connected with baffle of apron body, the Z shape hole has been seted up to the inside of baffle, the top fixedly connected with filter chamber of baffle, outer radiating hole has been seted up at the top of apron body.
Preferably, the internal heat dissipation holes are not less than twenty and are uniformly distributed in the transition cavity.
Preferably, the cover plate is provided with at least twenty cover plates, the structure and the connection relation of each cover plate are completely the same, and the cover plates are uniformly and fixedly connected to the outside of the machine shell.
Preferably, the outer surface of the fixing frame is provided with a heat radiating sheet.
Preferably, the middle of the inner gear is provided with a groove, the side wall of the groove is provided with teeth, and the inner gear is fixedly connected with the rotating shaft.
Preferably, the fixing cover is fixedly connected with the inner end cover.
Preferably, the connecting gears are three and have the same size and shape, the three connecting gears are respectively in meshed connection with the internal gear and the fan gear, and the distance between every two connecting gears is equal.
Preferably, the number of the connecting shafts is three, the connecting shafts are movably connected with the three connecting gears respectively, and each connecting shaft is fixedly connected with the inner end cover.
Preferably, the inner end cap is fixedly connected to the inside of the casing.
Preferably, the fan shaft is movably connected with the fan cover.
Preferably, the surface of the fan housing is provided with a vent hole, and the fan housing is fixedly connected to the outside of the casing.
(III) advantageous effects
Compared with the prior art, the invention provides a motor heat dissipation device based on a gear transmission principle, which has the following beneficial effects:
1. this motor heat abstractor based on gear drive principle uses through the cooperation of interior louvre, filter chamber and outer louvre to reach ventilation cooling's effect, and the filter chamber effectively prevents the pollution of dust to the motor, guarantee motor working process and life.
2. This motor heat abstractor based on gear drive principle uses through the cooperation of internal gear, connecting gear, fan gear and fan axle to reach fan axle and pivot antiport, and fan axle rotational speed is greater than the effect of pivot rotational speed, thereby make the inside wind of getting into the motor and rotor rotation opposite direction, increase the relative motion of wind and rotor, thereby improve the radiating effect, and fan axle rotational speed is greater than the pivot rotational speed, further increases radiating effect.
3. According to the motor heat dissipation device based on the gear transmission principle, the fan shaft, the inner end cover, the circular ring and the fan cover are matched for use, the inner end cover and the fan cover are respectively movably connected with the fan shaft, the circular ring is movably connected with the rolling body, and the rolling body is movably connected with the fan cover, so that the stability of the fan blades is effectively guaranteed, the ventilation stability is improved, the heat dissipation effect of the motor is guaranteed, the noise generated by the fan blades is reduced, and the noise pollution is reduced.
4. This motor heat abstractor based on gear drive principle uses through the cooperation of fan housing, interior louvre and outer louvre to increase the circulation of the inside air of motor, increased the radiating rate of motor, guaranteed the radiating effect of motor.
Drawings
FIG. 1 is a schematic view of the overall connection of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention showing the connection between the fixing cover, the internal gear connecting gear and the fan gear;
FIG. 3 is a side view of the structure fixing cover, the internal gear connecting gear and the fan gear according to the present invention;
FIG. 4 is a schematic side view of the connection of the fan blade, the fan hub, the ring, the rolling elements and the wind shield according to the present invention;
FIG. 5 is an enlarged view of the cover plate of the present invention;
FIG. 6 is an enlarged view of the cover plate and the housing according to the present invention;
FIG. 7 is a side view of the fixing frame of the present invention;
FIG. 8 is a side view of the cover and housing connection of the present invention.
In the figure: 1-machine shell, 2-internal heat dissipation holes, 3-cover plate, 31-cover plate body, 32-installation piece, 33-transition cavity, 34-partition plate, 35-Z-shaped hole, 36-filter cavity, 37-external heat dissipation hole, 4-fixing frame, 5-stator, 6-rotor, 7-rotating shaft, 8-bearing, 9-fixing cover, 10-internal gear, 11-connecting gear, 12-connecting shaft, 13-fan gear, 14-fan shaft, 15-internal end cover, 16-fan hub, 17-fan blade, 18-ring, 19-rolling body and 20-fan cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a motor heat dissipation device based on a gear transmission principle includes a housing 1, an inner heat dissipation hole 2, a cover plate 3, a cover plate body 31, a mounting plate 32, a transition cavity 33, a partition plate 34, a Z-shaped hole 35, a filter cavity 36, an outer heat dissipation hole 37, a fixing frame 4, a stator 5, a rotor 6, a rotating shaft 7, a bearing 8, a fixing cover 9, an inner gear 10, a connecting gear 11, a connecting shaft 12, a fan gear 13, a fan shaft 14, an inner end cover 15, a fan hub 16, fan blades 17, a ring 18, a rolling body 19, and a fan cover 20.
The positions and the connection relations of the structures are as follows:
The inner part of the fixed cover 9 is movably connected with an inner gear 10, the middle of the inner gear 10 is provided with a groove, the side wall of the groove is provided with teeth, the inner gear 10 is fixedly connected with a rotating shaft 7, the outer part of the inner gear 10 is engaged with three connecting gears 11, the connecting gears 11 are completely the same in size and shape, the three connecting gears 11 are respectively engaged with the inner gear 10 and a fan gear 13, the distance between each connecting gear 11 is equal, the inner part of each connecting gear 11 is movably connected with a connecting shaft 12, the three connecting shafts 12 are respectively movably connected with the three connecting gears 11, each connecting shaft 12 is fixedly connected with an inner end cover 15, the outer part of each connecting gear 11 is engaged with the fan gear 13, the inner part of each fan gear 13 is fixedly connected with a fan shaft 14, the fan shaft 14 is movably connected with a fan cover 20, and the inner gear 10, the connecting gears, thereby achieving the effect that the fan shaft 14 and the rotating shaft 7 rotate reversely, and the rotating speed of the fan shaft 14 is greater than the rotating speed of the rotating shaft 7, so that the direction of the wind entering the motor is opposite to the rotating direction of the rotor 6, increasing the relative motion of the wind and the rotor 6, and further improving the heat dissipation effect, and the rotating speed of the fan shaft 14 is greater than the rotating speed of the rotating shaft 7, further increasing the heat dissipation effect, the outer part of the fan shaft 14 is movably connected with an inner end cover 15, the inner end cover 15 is fixedly connected with the inner part of the casing 1, the outer part of the fan shaft 14 is fixedly connected with a fan hub 16, the outer part of the fan hub 16 is fixedly connected with fan blades 17, the outer part of the fan blades 17 is fixedly connected with a ring 18, the outer part of the ring 18 is movably connected with a rolling body 19, the outer part of the rolling body 19 is movably connected with a fan cover 20, the surface of, the inner end cover 15 and the fan cover 20 are movably connected with the fan shaft 14 respectively, the circular ring 18 is movably connected with the rolling body 19, and the rolling body 19 is movably connected with the fan cover 20, so that the stability of the fan blades 17 is effectively ensured, the ventilation stability is improved, the heat dissipation effect of the motor is ensured, the noise generated by the fan blades 17 is reduced, and the noise pollution is reduced.
Apron 3 includes the apron body 31, the outside fixedly connected with installation piece 32 of the apron body 31, the transition chamber 33 has been seted up to the bottom of the apron body 31, the inside fixedly connected with baffle 34 of the apron body 31, Z shape hole 35 has been seted up to the inside of baffle 34, the top fixedly connected with filter chamber 36 of baffle 34, outer radiating hole 37 has been seted up at the top of the apron body 31, through interior louvre 2, filter chamber 36 uses with the cooperation of outer radiating hole 37, thereby reach ventilation cooling's effect, and filter chamber 36 effectively prevents the pollution of dust to the motor, guarantee motor working process and life, through fan housing 20, interior louvre 2 uses with the cooperation of outer radiating hole 37, thereby the circulation of the inside air of motor has been increased, the radiating rate of motor has been increased, guarantee the radiating effect of motor.
The working principle is that when the motor works, the rotor 6 starts to rotate, the rotor 6 is fixedly connected with the rotating shaft 7, the rotating shaft 7 is fixedly connected with the internal gear 10, the rotor 6 drives the internal gear 10 to rotate, the internal gear 10 is meshed with the connecting gear 11, the connecting gear 11 is meshed with the fan gear 13, the internal gear 10 drives the connecting gear 11 to rotate in the same direction, the connecting gear 11 drives the fan gear 13 to rotate in the reverse direction, the fan gear 13 is fixedly connected with the fan shaft 14, the fan shaft 14 is fixedly connected with the fan hub 16, and the fan hub 16 is fixedly connected with the fan blades 17, so that the fan gear 13 drives the fan shaft 14 to rotate in the reverse direction, the fan shaft 14 drives the fan blades 17 to rotate in the reverse direction, so that the internal airflow of the motor and the rotor 6 flow in the reverse direction, and because the internal heat dissipation hole 2 is fixedly connected with the transition cavity 33, the transition cavity 33 is fixedly connected with the Z, the fan housing 20 is provided with vent holes, so that the wind power in the motor flows stably and smoothly, and the heat dissipation effect is effectively ensured.
In conclusion, this motor heat abstractor based on gear drive principle uses through the cooperation of interior louvre 2, filter chamber 36 and outer louvre 37 to reach ventilation cooling's effect, and filter chamber 36 prevents effectively that the dust from to the pollution of motor, guarantees motor working process and life.
Meanwhile, the inner gear 10, the connecting gear 11, the fan gear 13 and the fan shaft 14 are used in a matched mode, so that the effect that the fan shaft 14 and the rotating shaft 7 rotate reversely and the rotating speed of the fan shaft 14 is larger than that of the rotating shaft 7 is achieved, the rotating direction of wind entering the motor is opposite to that of the rotor 6, relative movement of the wind and the rotor 6 is increased, the heat dissipation effect is improved, the rotating speed of the fan shaft 14 is larger than that of the rotating shaft 7, and the heat dissipation effect is further increased.
Meanwhile, the inner end cover 15 and the fan cover 20 are movably connected with the fan shaft 14 respectively, the ring 18 is movably connected with the rolling body 19, and the rolling body 19 is movably connected with the fan cover 20 through the matching of the fan shaft 14, the inner end cover 15 and the ring 18, so that the stability of the fan blades 17 is effectively ensured, the ventilation stability is improved, the heat dissipation effect of the motor is ensured, the noise generated by the fan blades 17 is reduced, and the noise pollution is reduced.
Meanwhile, the fan cover 20, the inner heat dissipation holes 2 and the outer heat dissipation holes 37 are used in a matched mode, so that the circulation of air inside the motor is increased, the heat dissipation speed of the motor is increased, and the heat dissipation effect of the motor is guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a motor heat abstractor based on gear drive principle, includes casing (1), its characterized in that: the surface of the machine shell (1) is provided with inner heat dissipation holes (2), the outer parts of the inner heat dissipation holes (2) are fixedly connected with a cover plate (3), the inner part of the machine shell (1) is fixedly connected with a fixed frame (4), the inner part of the fixed frame (4) is fixedly connected with a stator (5), the inner part of the stator (5) is movably connected with a rotor (6), the inner part of the rotor (6) is fixedly connected with a rotating shaft (7), the outer part of the rotating shaft (7) is fixedly connected with a bearing (8), the outer part of the bearing (8) is fixedly connected with a fixed cover (9), the inner part of the fixed cover (9) is movably connected with an inner gear (10), the outer part of the inner gear (10) is meshed with a connecting gear (11), the inner part of the connecting gear (11) is movably connected with a connecting shaft (12), and the, a fan shaft (14) is fixedly connected to the inside of the fan gear (13), an inner end cover (15) is movably connected to the outside of the fan shaft (14), a fan hub (16) is fixedly connected to the outside of the fan shaft (14), fan blades (17) are fixedly connected to the outside of the fan hub (16), a circular ring (18) is fixedly connected to the outside of the fan blades (17), a rolling body (19) is movably connected to the outside of the circular ring (18), and a fan cover (20) is movably connected to the outside of the rolling body (19);
the utility model discloses a heat dissipation device, including apron body (31), outside fixedly connected with installation piece (32) of apron body (31), transitional cavity (33) have been seted up to the bottom of apron body (31), inside fixedly connected with baffle (34) of apron body (31), Z shape hole (35) have been seted up to the inside of baffle (34), top fixedly connected with filter chamber (36) of baffle (34), outer heat dissipation hole (37) have been seted up at the top of apron body (31).
2. The motor heat dissipation device based on the gear transmission principle as claimed in claim 1, wherein: the cover plate (3) is provided with at least twenty cover plates, the structure and the connection relation of each cover plate (3) are completely the same, and the cover plates are uniformly and fixedly connected to the outer portion of the machine shell (1).
3. The motor heat dissipation device based on the gear transmission principle as claimed in claim 1, wherein: the outer surface of the fixing frame (4) is provided with a heat radiating sheet.
4. The motor heat dissipation device based on the gear transmission principle as claimed in claim 1, wherein: the middle of the inner gear (10) is provided with a groove, the side wall of the groove is provided with teeth, and the inner gear (10) is fixedly connected with the rotating shaft (7).
5. The motor heat dissipation device based on the gear transmission principle as claimed in claim 1, wherein: the fixed cover (9) is fixedly connected with the inner end cover (15).
6. The motor heat dissipation device based on the gear transmission principle as claimed in claim 1, wherein: the three connecting gears (11) are completely the same in size and shape, the three connecting gears (11) are respectively meshed with the internal gear (10) and the fan gear (13), and the distance between every two connecting gears (11) is equal.
7. The motor heat dissipation device based on the gear transmission principle as claimed in claim 1, wherein: the number of the connecting shafts (12) is three, the connecting shafts are respectively movably connected with the three connecting gears (11), and each connecting shaft (12) is fixedly connected with the inner end cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289879.5A CN110994904A (en) | 2019-12-16 | 2019-12-16 | Motor heat abstractor based on gear drive principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289879.5A CN110994904A (en) | 2019-12-16 | 2019-12-16 | Motor heat abstractor based on gear drive principle |
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| Publication Number | Publication Date |
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| CN110994904A true CN110994904A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911289879.5A Withdrawn CN110994904A (en) | 2019-12-16 | 2019-12-16 | Motor heat abstractor based on gear drive principle |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111555526A (en) * | 2020-04-22 | 2020-08-18 | 铜车马动力科技(宁波)有限公司 | Lightweight new energy automobile power assembly |
| CN114024389A (en) * | 2021-08-18 | 2022-02-08 | 浙江格凌实业有限公司 | Motor with dustproof heat dissipation function |
| CN115021494A (en) * | 2022-05-25 | 2022-09-06 | 大庆市华禹石油机械制造有限公司 | Energy-saving AC asynchronous motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111555526A (en) * | 2020-04-22 | 2020-08-18 | 铜车马动力科技(宁波)有限公司 | Lightweight new energy automobile power assembly |
| CN114024389A (en) * | 2021-08-18 | 2022-02-08 | 浙江格凌实业有限公司 | Motor with dustproof heat dissipation function |
| CN114024389B (en) * | 2021-08-18 | 2023-07-14 | 浙江格凌实业有限公司 | Motor with dustproof heat dissipation function |
| CN115021494A (en) * | 2022-05-25 | 2022-09-06 | 大庆市华禹石油机械制造有限公司 | Energy-saving AC asynchronous motor |
| CN115021494B (en) * | 2022-05-25 | 2022-11-25 | 大庆市华禹石油机械制造有限公司 | Energy-saving AC asynchronous motor |
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