CN216904522U - Explosion-proof motor housing that radiating efficiency is high - Google Patents
Explosion-proof motor housing that radiating efficiency is high Download PDFInfo
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- CN216904522U CN216904522U CN202220405114.4U CN202220405114U CN216904522U CN 216904522 U CN216904522 U CN 216904522U CN 202220405114 U CN202220405114 U CN 202220405114U CN 216904522 U CN216904522 U CN 216904522U
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Abstract
The utility model discloses an explosion-proof motor shell with high heat dissipation efficiency, which is applied to the technical field of explosion-proof motor accessory equipment, and the technical scheme is as follows: an explosion-proof motor shell with high heat dissipation efficiency comprises an inner shell and an outer shell connected to the inner shell through a plurality of support sheets, wherein a support base is arranged at the bottom of the outer shell, air inlets are formed in two ends of the outer shell respectively, a heat dissipation fan with blades rotating in opposite directions is connected to a motor shaft between the outer shell and the inner shell and close to the air inlets, a plurality of heat dissipation strips are wound on a high-heating area of the inner shell along the circumferential direction, and a plurality of air outlets are formed in the outer shell close to the middle of the heat dissipation strips; has the technical effects that: the heat dissipation efficiency is high.
Description
Technical Field
The utility model relates to the technical field of explosion-proof motor accessory equipment, in particular to an explosion-proof motor shell with high heat dissipation efficiency.
Background
The explosion-proof motor can be used in inflammable and explosive places, does not generate sparks during operation, and is widely applied to industries such as coal mines, petroleum and natural gas, chemical industry and the like. The explosion-proof motor mainly comprises an explosion-proof motor, an increased safety motor, a positive pressure motor and the like, and the main principle is that an isolation cover is used for isolating the explosion effect or an outer shell structure is used for separating charged parts and explosive mixtures, so that sparks, electric arcs, temperature and the like which can cause explosion cannot be generated.
At present, the chinese utility model of bulletin number CN214069722U discloses a motor casing with heat dissipation function, and this utility model frame outer wall is equipped with the fin, and the frame tip is provided with the fan housing that links to each other with the fin, and the inside radiator fan that is equipped with of fan housing, frame periphery are equipped with a drainage section of thick bamboo, and a plurality of radiating wind channels of constitution are continuous with the fin to a drainage section of thick bamboo.
The utility model discloses a mainly based on form a plurality of wind channels between a drainage section of thick bamboo and the fin and use radiator fan to implement the cooling to the fan housing that links to each other with the fin, but this utility model can bring the heat in high heating area to the heat in low heating area and thereby indirectly lead to the heat in low heating area to rise at the cooling in-process, because precision parts such as the important sensor of motor can be placed usually and can't bear the high temperature at low heating area and precision parts usually, thereby if can't in time lead to precision parts to damage the operation that influences the motor with the temperature reduction in low heating area, improved space has.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an explosion-proof motor shell with high heat dissipation efficiency, which has the advantage of high heat dissipation efficiency.
The technical purpose of the utility model is realized by the following technical scheme: the utility model provides an explosion-proof motor housing that radiating efficiency is high, include the inner housing and through a plurality of backing sheets connect in the outer housing of inner housing, the outer housing bottom is equipped with the support base, the air intake has been seted up respectively at the outer housing both ends the outer housing with on the motor shaft between the inner housing and be close to the air intake position is connected with the blade and revolves to opposite radiator fan the high district that generates heat of inner housing has a plurality of heat dissipation strips along the circumferencial direction winding, the outer housing is being close to the intermediate position of heat dissipation strip is equipped with a plurality of air outlets.
Through above-mentioned technical scheme, establish the stator rotor device inside the inner cover shell and can produce a large amount of heats when the operation, for the main position that generates heat of motor, it is more low to only rely on the air flow to take out these heats, so including on a plurality of radiating strips of cover shell along circumferencial direction winding can be with the inside heat of motor fast transfer to the radiating strip, cool down the radiating strip again, be convenient for reduce the temperature of the inside main part of motor, improved the life of motor.
The two ends of the inner side of the outer housing are provided with the radiating fans with the blades rotating in opposite directions, so that air convection can be realized, cold air is sucked from the air inlet by the radiating fans, the cold air on two sides forms high-speed convection around a high radiating area of the motor, heat on the radiating strips and the supporting sheets is taken away, and finally hot air is discharged from the air outlet, so that the heat of the high radiating area of the motor is effectively reduced.
The utility model is further configured to: the supporting sheet is a radiating fin.
Through above-mentioned technical scheme, the backing sheet can attract the inside heat of motor to the backing sheet when playing to support the housing to increase heat radiating area, promote the radiating effect.
The utility model is further configured to: the support pieces are divided into two groups at intervals, and the two groups of support pieces are uniformly arranged along the circumferential direction in different directions.
Through above-mentioned technical scheme, the backing sheet interval divide into two sets ofly and to the not equidirectional slope setting can help promoting the supporting effect, and the area of the backing sheet that the slope set up simultaneously is greater than the area of the backing sheet that is setting up directly to can increase the area of fin, promote the radiating effect.
The utility model is further configured to: the support sheet, the inner cover shell and the outer cover shell form a plurality of trapezoidal heat dissipation air ducts.
Through above-mentioned technical scheme, the air can lead to forming the air vortex owing to the air velocity difference at trapezoidal upper base and lower end department when the air flows in trapezoidal heat dissipation wind channel to can be more comprehensive even take away the heat on backing sheet and the heat dissipation strip, thereby can effectual reduction motor temperature when moving.
The utility model is further configured to: the heat radiation fan is a turbine heat radiation fan.
Through above-mentioned technical scheme, use turbine radiator fan to replace ordinary radiator fan, on the one hand, turbine radiator fan's flabellum number is more, can effectual improvement air input, is convenient for improve the radiating efficiency, and on the other hand, the air current that turbine radiator fan produced compares in ordinary radiator fan, and the air current flow direction is perpendicular with the pivot, and with the cooperation of notch cuttype radiating air duct can be faster the heat of discharging.
The utility model is further configured to: the heat dissipation strip is made of copper.
Through above-mentioned technical scheme, copper heat dissipation strip has that the heat conductivity is good, and ductility is high, light in weight's advantage, the heat that produces and discharge the heat when can be more quick attraction motor operation, and ductility is good simultaneously can make the course of working more convenient, can make the heat dissipation strip closely paste in the outer wall of inner cover shell tightly, can also reduce the weight of shell simultaneously, the follow-up processing transportation of being convenient for.
The utility model is further configured to: the heat dissipation strip is a flat heat dissipation strip, and the surface with a larger area is attached to the inner cover shell.
Through the technical scheme, the heat dissipation strip is made into the flat shape, the surface with the large area is attached to the inner casing, the contact surface between the heat dissipation strip and the inner casing can be improved, so that the heat dissipation area is improved, and the temperature of a high heat dissipation area is convenient to reduce.
The utility model is further configured to: the air outlets are arranged at intervals at the positions where the middle position of the outer housing is contacted with the trapezoidal heat dissipation air duct.
Through the technical scheme, all be provided with the air outlet in order to guarantee every trapezoidal heat dissipation wind channel, thereby prevent to cause the unable air of following the air outlet discharge to cause the heat gathering because the air outlet position sets up unreasonably, cause local temperature too high, influence the normal operating of motor, consequently the equal interval in intermediate position of housing and the position of trapezoidal heat dissipation wind channel contact sets up the air outlet, thereby guarantee that the heat in every trapezoidal heat dissipation wind channel all has corresponding air outlet can discharge, prevent to cause the too high normal use that influences the motor of motor local temperature.
In conclusion, the utility model has the following beneficial effects:
1. the copper heat dissipation strip is wound on the high heat dissipation area of the motor, so that heat inside the motor can be quickly absorbed to the heat dissipation strip, and the temperature of the motor is effectively reduced;
2. the pair of turbine cooling fans with the fan blades rotating in opposite directions are used, so that high-speed air convection is formed in a high cooling area of the motor, heat of the motor can be rapidly discharged, and the cooling efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic structural view of the inner cover of the present embodiment;
FIG. 3 is a front view of the present embodiment;
fig. 4 is a sectional view of fig. 3 taken along direction a;
fig. 5 is a sectional view taken along the direction B of fig. 3.
Reference numerals: 1. an inner cover shell; 11. a heat dissipating strip; 2. an outer casing; 21. an air inlet; 22. an air outlet; 23. a support sheet; 24. a trapezoidal heat dissipation air duct; 3. a heat radiation fan; 4. a base is supported.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, an explosion-proof motor housing with high heat dissipation efficiency, including inner housing 1 and connecting in inner housing 1's outer casing 2 through a plurality of backing sheets 23 that evenly set up along the axial, outer casing 2 bottom is equipped with and is used for fixing explosion-proof motor on the working plane supporting pedestal 4, outer casing 2 both ends are equipped with star type air intake 21, be equipped with blade rotation opposite radiator fan 3 respectively on the motor shaft between outer casing 2 and inner housing 1 and the position that is close to air intake 21, high heat generation district on inner casing 1 has a plurality of radiating strips 11 along the circumferencial direction winding, a plurality of air outlets 22 of different sizes have all been seted up at the interval to the position that is close to the middle of radiating strip 11 on outer casing 2 and trapezoidal radiating air duct 24 contact's position simultaneously.
Referring to fig. 5, the support sheet 23 disposed between the outer housing 2 and the inner housing 1 provides a support force, so that the invariance of the outer housing 2 is ensured, and the heat inside the motor can be transferred to the support sheet 23 through the inner housing 1, thereby increasing the heat dissipation area, and primarily taking away the heat inside the motor in the air flowing process.
The supporting sheets 23 evenly arranged along the axial direction between the outer housing 2 and the inner housing 1 are divided into two groups at intervals and evenly arranged along different directions, and when the supporting force is increased, the area of the supporting sheets 23 obliquely arranged is larger than the area of the supporting sheets 23 which are vertically arranged, so that the area of the radiating fins can be increased, and the radiating effect is improved.
The supporting sheet 23, the outer housing 2 and the inner housing 1 form a plurality of trapezoidal heat dissipation air ducts 24 which are uniformly distributed, when air flows in the trapezoidal heat dissipation air ducts 24, air pressure is different due to different air flow rates at the upper bottom and the lower bottom of a trapezoid, the pressure at a place with high air flow rate is smaller than the pressure at a position with low air flow rate, so that the air can flow from the position with high pressure to the position with low pressure, an air vortex is formed in the trapezoidal heat dissipation air ducts 24, heat on the supporting sheet 23 and the heat dissipation strip 11 can be taken away more comprehensively and uniformly, and the temperature of the motor during operation can be effectively reduced.
Referring to fig. 2 and 4, a plurality of circles of copper heat dissipation strips 11 are wound on the positions of the stator and the rotor of the motor on the inner housing 1 where the heat is generated, the heat generated when the motor operates is quickly conducted out to the heat dissipation strips 11 by utilizing the characteristic of quick heat conduction of copper, and finally the heat is discharged to the air. Utilize the good characteristics of copper ductility, make flat strip with copper heat dissipation strip 11, and the great position of area is only on inner cover shell 1, is favorable to increasing the area of contact of heat dissipation strip 11 and inner cover shell 1 on the one hand like this, the quick heat conduction of being convenient for, and on the other hand can reduce the quantity of copper, is favorable to reduce cost.
The position interval that is close to in the middle of the heat dissipation strip 11 on housing 2 is equipped with a plurality of rectangular form air outlets 22, the distance of air outlet 22 apart from housing 2 both ends equals, when cold air is inhaled by radiator fan 3 via establishing at the air intake 21 at both ends at housing 2, because the distance of air outlet 22 to the air intake 21 at both ends equals, and radiator fan 3's rotational speed is the same, then the cold air on both sides can the opposite direction flow gather in air outlet 22 position, take away the heat on heat dissipation strip 11 and the fin, compare in the single fan can increase the cooling wind speed under the same axle speed condition, thereby can lower the temperature to high heat dissipation area more effectively, the radiating efficiency has been increased. Simultaneously in order to prevent to set up unreasonable and cause the inside heat gathering of partial trapezoidal heat dissipation wind channel 24 unable follow air outlet 22 discharge because air outlet 22 position, cause the inside high temperature in partial trapezoidal heat dissipation wind channel 24 and lead to damaging the motor, consequently in this embodiment, the equal interval in intermediate position on housing 2 and the position of every trapezoidal heat dissipation wind channel 24 contact is equipped with a plurality of air outlets 22, thereby guarantee that every trapezoidal heat dissipation wind channel 24 all has the air outlet 22 of correspondence in order to discharge heat, thereby can avoid the inside local temperature of motor too high and cause the damage to the motor.
Referring to fig. 2, in order to promote the wind speed and thus promote the heat dissipation efficiency, the cooling fan 3 selects the turbine cooling fan 3 with a large number of blades, so as to promote the air input and further promote the wind speed, and on the other hand, the airflow generated by the turbine cooling fan 3 is vertical to the rotating shaft and is matched with the stepped air passage to discharge heat more quickly compared with the common cooling fan 3.
The using process is briefly described as follows: when the explosion-proof motor works, the turbine cooling fans 3 at two ends suck cold air from the air inlet 21 and flow oppositely, heat on a low-heating area of the motor and the supporting sheet 23 is taken away in the flowing process, then convection cold air is concentrated at a stator rotor part with higher heating of the motor, heat absorbed in the motor on the copper cooling strip 11 is taken away, and finally hot air is discharged from the air outlet 22.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make inventive alterations to the present embodiment as required after reading the present specification
Modifications of this contribution are, however, within the scope of the claims of the utility model, protected by the patent laws.
Claims (8)
1. The utility model provides an explosion-proof motor housing that radiating efficiency is high, includes inner housing (1) and through a plurality of backing sheets (23) connect in outer housing (2) of inner housing (1), outer housing (2) bottom is equipped with supporting pedestal (4), its characterized in that, air intake (21) have been seted up respectively at outer housing (2) both ends outer housing (2) with on the motor shaft between inner housing (1) and be close to air intake (21) position is connected with the blade and revolves to opposite radiator fan (3) the high heat generation district of inner housing (1) has a plurality of heat dissipation strip (11) along the circumferencial direction winding, outer housing (2) are being close to the intermediate position of heat dissipation strip (11) is equipped with a plurality of air outlets (22).
2. The explosion-proof motor housing with high heat dissipation efficiency as recited in claim 1, wherein the support sheet (23) is a heat sink.
3. The explosion-proof motor housing with high heat dissipation efficiency as recited in claim 2, wherein the supporting plates (23) are divided into two groups at intervals, and the two groups of supporting plates (23) are uniformly arranged along different circumferential directions.
4. The explosion-proof motor housing with high heat dissipation efficiency as recited in claim 3, wherein the support sheet (23) forms a plurality of trapezoidal heat dissipation air ducts (24) with the inner housing (1) and the outer housing (2).
5. The explosion-proof motor housing with high heat dissipation efficiency as recited in claim 1, wherein the heat dissipation fan (3) is a turbine heat dissipation fan.
6. The explosion-proof motor housing with high heat dissipation efficiency as recited in claim 1, wherein the heat dissipation strip (11) is made of copper.
7. The explosion-proof motor housing with high heat dissipation efficiency as recited in claim 1, wherein the heat dissipation strip (11) is a flat heat dissipation strip, and the surface with a larger area is attached to the inner housing (1).
8. The explosion-proof motor housing with high heat dissipation efficiency as recited in claim 4, wherein the air outlets (22) are arranged at intervals at the places where the middle position of the outer casing (2) is in contact with the trapezoidal heat dissipation air duct (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220405114.4U CN216904522U (en) | 2022-02-28 | 2022-02-28 | Explosion-proof motor housing that radiating efficiency is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220405114.4U CN216904522U (en) | 2022-02-28 | 2022-02-28 | Explosion-proof motor housing that radiating efficiency is high |
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| Publication Number | Publication Date |
|---|---|
| CN216904522U true CN216904522U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220405114.4U Active CN216904522U (en) | 2022-02-28 | 2022-02-28 | Explosion-proof motor housing that radiating efficiency is high |
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| CN (1) | CN216904522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117411233A (en) * | 2023-12-13 | 2024-01-16 | 南昌三瑞智能科技股份有限公司 | Motor group |
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2022
- 2022-02-28 CN CN202220405114.4U patent/CN216904522U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117411233A (en) * | 2023-12-13 | 2024-01-16 | 南昌三瑞智能科技股份有限公司 | Motor group |
| CN117411233B (en) * | 2023-12-13 | 2024-03-22 | 南昌三瑞智能科技股份有限公司 | Motor group |
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