CN208158340U - A kind of cooling motor of double fan - Google Patents

A kind of cooling motor of double fan Download PDF

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Publication number
CN208158340U
CN208158340U CN201820859010.4U CN201820859010U CN208158340U CN 208158340 U CN208158340 U CN 208158340U CN 201820859010 U CN201820859010 U CN 201820859010U CN 208158340 U CN208158340 U CN 208158340U
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China
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motor
fan
air
air outlet
air inlet
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CN201820859010.4U
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Chinese (zh)
Inventor
程文通
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Zhejiang Unitech Electric Co ltd
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ZHEJIANG UNITE MOTOR CO Ltd
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Abstract

The utility model relates to motor field, especially a kind of cooling motor of double fan, the motor is usually used on treadmill.It is slow in air outlet side air velocity using single fan motor for existing ultra-thin treadmill, heat easily gathers, cause air cooling effect difference defect, the utility model provides a kind of cooling motor of double fan, it includes the motor body equipped with ventilating duct and motor shaft, set up air inlet and air outlet separately in motor body both ends, air inlet is axially extending with air outlet and is connected to ventilating duct, aerofoil fan is arranged in motor body on the motor shaft of air inlet side, and exhaust fan is arranged on the motor shaft of air outlet side in motor body.The low-power motor good heat radiating that the utility model is used under the conditions of poor to small space, internal-external air circulation etc. by double fan cooling structure, specifically set up two fan cooperatings separately in air inlet and air outlet, accelerate the air in ventilating duct into and out of flow velocity, promotes the wind-cooling heat dissipating effect of motor.

Description

A kind of cooling motor of double fan
Technical field
The utility model relates to motor field, especially a kind of cooling motor of double fan, the motor is usually used in fitness equipment On material such as treadmill.
Background technique
Many families can buy treadmill and put exercise use at home, the ultra-thin treadmill of some volume compacts(Pacing exerciser) Internal installation space is narrow, and the air circulation effect between external environment is poor, in addition motor power itself is low, when load generates heat Fastly, thus cause treadmill inside installation space temperature rise fairly obvious, need to carry out good ventilation and heat to ensure motor energy Long-term stable operation.The motor that this kind of treadmill uses is single fan coolling motor, and the both ends of the motor body are respectively equipped with Aerofoil fan is arranged in the air inlet and air outlet being connected to inner cavity, air inlet one end, aerofoil fan rotation sucking air when work, It dries to motor body, air flows in the ventilating duct between air inlet and air outlet, generation when taking away motor body work Heat cool down motor body.But this cooling effect of motor that single fan is arranged in air inlet one end is not ideal enough, Although aerofoil fan can continuously dry in air inlet one end to motor cavity, the cold wind being blown into is passing through narrow ventilating duct The windage encountered in the process is big, and air velocity reduces when close to air outlet, and the heat taken away of divulging information easily accumulates in air outlet side, In the case where air inlet side is continuously blown cold wind, the ventilation velocity of air outlet side is also very slow, to the cold of motor body But heat dissipation effect is poor.
Utility model content
The technical problems to be solved in the utility model and the technical assignment of proposition overcome existing ultra-thin treadmill to use Single fan motor is slow in air outlet side air velocity, and heat easily gathers, and causes the defect of air cooling effect difference, and the utility model mentions For a kind of cooling motor of double fan, the cooling motor of the double fan is respectively provided with wind in the air inlet of motor body and air outlet both ends Fan accelerates the air velocity in motor body in ventilating duct by two fan cooperations, enhances the wind-cooling heat dissipating to motor body, Make the slow temperature rise of low-power machine.
The utility model solves the technical solution that technical problem uses:A kind of cooling motor of double fan, including it is equipped with ventilation The motor body in road and motor shaft, the motor body both ends set up air inlet and air outlet, the air inlet and air outlet axis separately To extending and being connected to ventilating duct, aerofoil fan is arranged on the motor shaft of air inlet side in motor body, it is characterized in that the electricity Exhaust fan is arranged on the motor shaft of air outlet side in machine ontology.The utility model is using double fan cooling structure to used in small sky Between, the low-power motor good heat radiating under internal-external air circulation poor condition, particular by the electricity in air outlet side Exhaust fan is set on arbor, and the thermal current acceleration for gathering air outlet side is discharged from motor body, cooperates the axis of air inlet side Flow fan collective effect accelerates the air velocity in ventilating duct, promotes the wind-cooling heat dissipating effect of motor.
As further improving and supplementing to above-mentioned technical proposal, the utility model uses following technical measures:It is described Exhaust fan is centrifugal fan.Thermal current is sucked out along axial in centrifugal fan, and to after the thermal current radially pressurization along the circumferential direction It throws away, the aerofoil fan of air inlet is cooperated to work together, faster air flowing cooling can be realized inside motor body;Edge The running discharge with seam of thermal current cooperation motor installation position from the treadmill of circumferencial direction discharge, moreover it is possible to the installation space of motor It carries out air-cooled, while the temperature rise of motor body and treadmill frame being allowed to be decreased obviously.
The flabellum radial dimension of the aerofoil fan is more than or equal to the outer diameter of motor body.The case where installation space allows Under, the preferred flabellum radial dimension of the aerofoil fan outer diameter that is more than or equal to motor body, to motor body when aerofoil fan works Blowing face can cover air inlet and motor body outer wall, flabellum is not only blown into cold front heavy rain motor sheet to air inlet when rotating Internal portion, it is also same to dry motor body outer surface to cool down motor outer wall.In addition, the flabellum outer diameter of aerofoil fan is less than electricity It also can be used in the case where machine ontology, small size aerofoil fan is not so good as large-size axis parts stream wind to motor body outer wall heat dissipation effect It fans.
The air inlet and air outlet are circumferentially surround on the end face at motor body both ends to be correspondingly arranged, the ventilating duct Wound motor axis is arranged and is connected to the air inlet and air outlet at both ends.It is corresponding around being arranged on the end face at motor body both ends Air inlet and air outlet cooperate in motor body inner loop around the ventilating duct of arrangement, and circular cooling is realized to motor body inside Comprehensive uniform wind-cooling heat dissipating is done to motor inside in air duct.
Motor body fast pulley on the motor shaft of air outlet side, the exhaust fan are set to air outlet and skin On motor shaft between belt wheel.It drives treadmill belt continuously to move since the motor on treadmill is mostly used belt wheel output, output is passed Dynamic belt pulley is fixed on the motor shaft of air outlet side, makes exhaust fan between air outlet and belt pulley, such cloth Office facilitates the cooling heat dissipation of motor body, and it is empty that belt pulley not will not influence aerofoil fan sucking on the motor shaft of air inlet side Gas is dried to motor body, while the thermal current that centrifugal fan is taken out of can be along the circumferential direction between slave pulley and air outlet It is smoothly discharged in gap.
The utility model by double fan cooling structure it is poor to small space, internal-external air circulation etc. under the conditions of use Low-power motor good heat radiating, exhaust fan is set particular by the motor shaft of air outlet side, makes air outlet side The thermal current acceleration of accumulation is discharged from motor body, cooperates the aerofoil fan collective effect of air inlet side, accelerates in ventilating duct Air velocity promotes the wind-cooling heat dissipating effect of motor.
Detailed description of the invention
Fig. 1:The structural schematic diagram of the utility model.
In figure:1. motor body, 2. ventilating ducts, 3. motor shafts, 4. air inlets, 5. air outlets, 6. aerofoil fans, 7. air drafts Fan, 8. belt pulleys.
Specific embodiment
Explanation and specific embodiment are described further the utility model with reference to the accompanying drawing.
As shown in Figure 1, a kind of cooling motor of double fan, the motor body 1 including being equipped with ventilating duct 2 and motor shaft 3 is described 1 both ends of motor body set up air inlet 4 and air outlet 5 separately, and the air inlet 4 is axially extending with air outlet 5 and is connected to ventilating duct 2, Wherein air inlet 4 and air outlet 5 are circumferentially surround on the end face at 1 both ends of motor body is correspondingly arranged, and ventilating duct 2 is also around electricity Arbor 3 is arranged and is connected to the air inlet 4 and air outlet 5 at both ends;Axis is arranged on the motor shaft 3 of 4 side of air inlet in motor body 1 Flow fan 6, the flabellum radial dimension of aerofoil fan 6 are more than or equal to the outer diameter of motor body 1, preferred aerofoil fan in this implementation Flabellum radial dimension is greater than the outer diameter of motor body, and exhaust fan 7 is arranged on the motor shaft 3 of 5 side of air outlet, and exhaust fan 7 is adopted Use centrifugal fan.
The utility model is by double fan cooling structure to using under small space, internal-external air circulation poor condition Low-power motor good heat radiating.It is as shown by the arrows in Figure 1 when work, the aerofoil fan rotation of air inlet side, to circumferential ring Around setting air inlet and the blowing of motor body outer wall, air inlet is blown into ventilating duct and band of the air-flow across wound motor body interior Motor body interior heat is walked, is thermal current when reaching air outlet, after being then radially pressurized under centrifugal fan effect circumferentially Direction is thrown away, and acceleration is discharged from motor body, and two fan collective effects accelerate the air velocity in ventilating duct, in motor body Portion realizes faster air flowing cooling, promotes the wind-cooling heat dissipating effect of motor;The thermal current being along the circumferential direction discharged simultaneously is matched The running discharge with seam for closing motor installation position from treadmill, the installation space of motor is carried out it is air-cooled, so as to allow motor body and The temperature rise of treadmill frame is decreased obviously.
Further, when the fast pulley 8 on the motor shaft 3 of 5 side of air outlet of motor body 1, the exhaust fan 7 On motor shaft 3 between air outlet 5 and belt pulley 8.Belt pulley not will not influence axis on the motor shaft of air inlet side Flow fan sucks air and dries to motor body, at the same the thermal current taken out of of centrifugal fan can along the circumferential direction slave pulley and It is smoothly discharged in gap between air outlet.

Claims (5)

1. a kind of cooling motor of double fan, including it is equipped with ventilating duct(2)And motor shaft(3)Motor body(1), the motor sheet Body(1)Set up air inlet separately in both ends(4)With air outlet(5), the air inlet(4)And air outlet(5)It is axially extending and be connected to ventilation Road(2), motor body(1)In air inlet(4)The motor shaft of side(3)Upper setting aerofoil fan(6), it is characterized in that the motor Ontology(1)In air outlet(5)The motor shaft of side(3)Upper setting exhaust fan(7).
2. the cooling motor of a kind of double fan according to claim 1, it is characterized in that the exhaust fan(7)For centrifugal fan.
3. the cooling motor of a kind of double fan according to claim 1, it is characterized in that the aerofoil fan(6)Flabellum it is radial Size is more than or equal to motor body(1)Outer diameter.
4. the cooling motor of a kind of double fan according to claim 1, it is characterized in that the air inlet(4)And air outlet(5) In motor body(1)It circumferentially surround and is correspondingly arranged on the end face at both ends, the ventilating duct(2)Wound motor axis(3)Setting is simultaneously It is connected to the air inlet at both ends(4)And air outlet(5).
5. according to claim 1 to a kind of cooling motor of double fan described in one of 4, it is characterized in that the motor body(1)? Air outlet(5)The motor shaft of side(3)Upper fast pulley(8), the exhaust fan(7)Set on air outlet(5)And belt pulley(8) Between motor shaft(3)On.
CN201820859010.4U 2018-06-05 2018-06-05 A kind of cooling motor of double fan Active CN208158340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820859010.4U CN208158340U (en) 2018-06-05 2018-06-05 A kind of cooling motor of double fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820859010.4U CN208158340U (en) 2018-06-05 2018-06-05 A kind of cooling motor of double fan

Publications (1)

Publication Number Publication Date
CN208158340U true CN208158340U (en) 2018-11-27

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Application Number Title Priority Date Filing Date
CN201820859010.4U Active CN208158340U (en) 2018-06-05 2018-06-05 A kind of cooling motor of double fan

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111049321A (en) * 2020-01-06 2020-04-21 苏州永捷电机有限公司 Electric machine with double-fan cooling system
WO2020236963A1 (en) * 2019-05-23 2020-11-26 Icon Health & Fitness, Inc. Systems and methods for cooling an exercise device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020236963A1 (en) * 2019-05-23 2020-11-26 Icon Health & Fitness, Inc. Systems and methods for cooling an exercise device
US11794070B2 (en) 2019-05-23 2023-10-24 Ifit Inc. Systems and methods for cooling an exercise device
CN111049321A (en) * 2020-01-06 2020-04-21 苏州永捷电机有限公司 Electric machine with double-fan cooling system

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GR01 Patent grant
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CP03 Change of name, title or address

Address after: 321300 no.287, Lingshi Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province

Patentee after: Zhejiang Unitech Electric Co.,Ltd.

Address before: 321300 no.287, Lingshi Road, Chengxi Industrial Zone, Yongkang City, Jinhua City, Zhejiang Province

Patentee before: ZHEJIANG UNITE MOTOR Co.,Ltd.

CP03 Change of name, title or address