CN102594022A

CN102594022A - Full self-cooling type motor

Info

Publication number: CN102594022A
Application number: CN2012100263385A
Authority: CN
Inventors: 黄得锋
Original assignee: HUANG DEIFENG
Current assignee: HUANG DEIFENG
Priority date: 2011-11-25
Filing date: 2012-02-07
Publication date: 2012-07-18
Also published as: CN107659039A

Abstract

The invention discloses a full self-cooling type motor, which comprises an air inlet device and an air outlet device arranged on an outer contour of the motor, wherein the air inlet device and the air outlet device are communicated with an inner chamber of the motor, so that air outside the motor enters the motor through the air inlet device, passes through a part needing heat dissipation, and is discharged out of the motor through the air outlet device. According to the full self-cooling type motor, airflows form inside the motor, so that airflows inside the motor is supplemented by continuous normal temperature air outside the motor and timely cooling are guaranteed.

Description

A kind of full self-cooled machine

Technical field

The present invention relates generally to the motor assembly of motor such as motor and industrial door machine, especially to inner motor or the motor assembly that needs heat radiation.

Background technology

Motor and existing all kinds of motor assemblies for reaching function such as dust and water protection, generally require it totally-enclosed to inside, therefore certainly exist the bad problem of heat radiation.

Summary of the invention

The object of the invention is to address the above problem, and provides a kind of low to original all kinds of motors or motor assembly improvement cost, the full self-cooled machine that maintenance cost is low.

Explanation of nouns:

Motor according to the invention comprises motor and all kinds of motor assembly;

Motor outline according to the invention is meant the part that contacts with the motor outer air on the motor, mainly comprises electric machine casing and output shaft.

For realizing above-mentioned purpose, technical scheme of the present invention is:

A kind of full non-ventilated motor; It is provided with inlet duct and exhaust apparatus on the motor outline, and inlet duct, motor inner room are communicated with exhaust apparatus successively, makes the outer gas of motor get in the motor through inlet duct; Flowing through needs thermal component, again outside exhaust apparatus is discharged motor.

It comprises with next technical characterictic at least:

1) said inlet duct and exhaust apparatus one of them be located at the front end housing of motor;

2) said inlet duct and exhaust apparatus one of them be located at the rear end cap of motor;

3) said inlet duct and exhaust apparatus one of them be located at the output shaft of motor.

Said motor output shaft, motor front end housing and motor rear end be stamped wherein two when not allowing to be provided with inlet duct and blowing apparatus, the preferential exhaust apparatus of inlet duct is located at particular range.

Priority scheme of the present invention is:

Said inlet duct is that on the motor outline, be provided with and air admission hole or air inlet pipe need thermal component place spatial communication; Said exhaust apparatus comprises:

1) is located on the motor outline and venthole or escape pipe need thermal component place spatial communication;

2) act on the drive unit that needs gas in the space, thermal component place; The airtight position of giving vent to anger that is communicated in drive unit of said venthole or escape pipe.

Said drive unit be transmitted in or indirect drive in electric machine main shaft.

Said drive unit is to be provided with fan blade and air vent hole at the original rotatable parts of motor internal; Said fan blade acts on the gas that needs space, thermal component place, and gas is discharged from air vent hole; Airtight rotationally air vent hole or the rotatable airtight wireway that is installed on the air vent hole that is communicated in of said steam vent of being communicated in of said blast pipe.

Said drive unit is to be located at the outside aspiration pump of motor.

When electric machine structure does not allow inlet duct and blowing apparatus all to be located at particular range, the position that said exhaust apparatus is located at is dustproof, classification of waterproof is high than the air draught grade; Said particular range comprises: motor output shaft, motor front and rear cover.

The usefulness of technique scheme is:

The present invention passes through to form air-flow from motor internal, and guarantees the normal temperature air outside the gas that motor internal flows is able to continuously the source motor, and is timely to guarantee cooling.

Inlet duct of the present invention and exhaust apparatus preferentially are located at the front and rear cover and the motor output shaft of motor, can maximize dustproof, the classification of waterproof of keeping original motor.

The present invention just forms the drive unit of air-flow and only is located on the exhaust apparatus, and promptly said drive unit is used for the gas in the motor is discharged outside the motor, and the outer air pressure of three-way motor, makes the outer air of motor be pressed into motor through suction hole (getter device); This scheme not only reduces the acting of motor to air greatly, therefore effective energy savings, and can also drop to minimum to the transformation of motor internal.

Drive unit of the present invention is the transformation to the original rotatable parts of motor, and is few to in-built transformation because of the parts of setting up are few, so improvement cost is low; On the other hand, heat radiation does not need the additive decrementation energy yet.

The present invention is provided with current-collecting device, can the air-flow in the machine be concentrated and send forth on heat generating member, not only can improve the heat-sinking capability in the motor, also can save energy loss.

Below in conjunction with accompanying drawing and specific embodiment the present invention is done further explanation.

Description of drawings

Fig. 1 is the sketch map (arrow is represented gas flow) of embodiment 1;

Fig. 2 is the sketch map (arrow is represented gas flow) of embodiment 2.

Embodiment

Embodiment 1, be example to use motor of the present invention (motor or generator):

A kind of full non-ventilated motor comprises: casing 1, stator 2, rotor 3, motor shaft 4, inlet duct 5 and exhaust apparatus 6; Said casing 1 comprises front end housing 11, rear end cap 12 and body shell 13.

Said inlet duct 5 is for being located at the air admission hole 51 on the rear end cap 12.

Said exhaust apparatus 6 comprises: be located at division board 61 between front end housing 11 and the rotor 3, be placed in the blast pipe 63 on the sleeve pipe 62 on the motor shaft 4 between front end housing 11 and the rotor 3, the airtight sleeve pipe 62 that is communicated at front end housing 11 and division board 61 and be located at the steam vent 64 of front end housing 11; The two ends of said sleeve pipe 62 are fixed on the motor shaft 4 through sealing ring 65, and blast pipe 63 circulation airflow can only be passed through in two spaces that make motor internal open in 61 minutes through division board.

Operation principle:

Division board 61 is divided into A chamber and B chamber with motor internal; During machine operation, motor shaft 4 drives sleeve pipes 62 and rotates synchronously, and blast pipe 63 will manage interior gas through centrifugal force and got rid of into A chamber, through air pressure the gas of B chamber is constantly sucked the A chamber, again from the steam vent discharge of front end housing 11; Gas in the B chamber constantly is inhaled into the A chamber simultaneously, and the air pressure of B chamber reduces, and the outer atmospheric pressure of motor air that motor is outer is pressed into the B chamber through the air admission hole of rear end cap.The outer air of the motor motor internal of constantly flowing through is fast thus constantly taken away the heat of heat generating member, discharges outside the motor again.

The present embodiment prioritization scheme comprises:

1) for improving the heat-sinking capability in the motor; Air-flow in the machine concentrated send forth on heat generating member; Specifically can establish some stream pipes 52 that help near rear end cap 12 1 end faces at said rotor 3, help the keep to the side center of circle and make extended line through the center of circle of stream pipe 52 1 ends, the other end exports towards pyrotoxin (epitrochanterian coil; Especially the space between coil and stator), wherein help stream pipe 52 operation principles with above-mentioned blast pipe 63.

2) for guaranteeing the dustproof and waterproof grade of motor; Can (filter be a prior art at the front and rear cover filter; The present invention does not introduce at this) or make steam vent towards have a down dip (like the air admission hole 51 of rear end cap 12, the steam vent 64 of front end housing 11 also can be adopted identical technical scheme certainly).

3) for guaranteeing the stability of blast pipe 63 high speed rotating, fixing suit one pallet 66 on sleeve pipe 62, plurality of rows tracheae 63 even stationary distribution are on pallet 66.

Embodiment 2, be example with the tubulose door roller assembly of motor:

A kind of full non-ventilated motor as shown in Figure 2 comprises: inlet duct, current-collecting device and exhaust apparatus.

Said inlet duct comprises: be located at air admission hole 1 on the motor outline, make motor 5 can be communicated with the flexible pipe 2 from the machine outer air of air admission hole 1.

Said current-collecting device comprises: the gas outlet over against coil 3 of flexible pipe 2, the air inlet over against coil 3 of flexible pipe 4, be located at the inner wireway 10 of coil 3; Said wireway 10 is located at the position near electric axis near the port of inlet duct, and the another port is communicated with coil 3 surfaces, and wireway 10 can establish one or more.

Uniquely be communicated with motors 5 and spaces, brake disc 6 place, flexible pipe 4 proper motor 5 in to coil 3 through flexible pipe 4; Brake disc 6 is engaged in plurality of rows air driving device 7, and makes driving 7 be uniformly distributed in the outer of brake disc; Exhaust gas drive device 7 stretches into space, ratchet 8 place, and finally is communicated with flexible pipe 9, and the other end of said flexible pipe 9 stretches out back end cover for motor and gets into atmosphere.

It is provided with air admission hole 1 on the motor outline, be communicated with the machine outer air from air admission hole 1 through flexible pipe 2, and the other end of flexible pipe 2 is over against the need thermal component, i.e. coil 3 on motor 5 rotors; Uniquely be communicated with motors 5 and spaces, brake disc 6 place, flexible pipe 4 proper motor 5 in to coil 3 through flexible pipe 4; Brake disc 6 is engaged in plurality of rows air driving device 7, and makes driving 7 be uniformly distributed in the outer of brake disc; Exhaust gas drive device 7 stretches into space, ratchet 8 place, and finally is communicated with flexible pipe 9, and the other end of said flexible pipe 9 stretches out back end cover for motor and gets into atmosphere.

Said exhaust gas drive device 7 is provided with the air draught leaf at the gear inwall, can the gas in space, brake disc 6 place be sucked space, ratchet 8 place.

Operation principle:

With regard to this motor, rotating speed is the fastest, and being convenient to transmission exhaust gas drive device most is brake disc 5; The exhaust gas drive device number of teeth is less than the number of teeth of brake disc; Can further improve the rotating speed of exhaust gas drive device 7; A plurality of exhaust gas drive devices 7 evenly distribute and are engaged in brake disc 6; Be not merely and improve inspiratory capacity to improve rate of flow of fluid, the stress balance that also guarantees brake disc 6 simultaneously is to guarantee job stability.

Use the flexible pipe air guide, can effectively avoid destroying various mechanical parts.

Make flexible pipe 2 gas outlets that get into motor over against coil 3, the outer atmosphere of introducing of machine is concentrated blowed to coil 3.

The air inlet that makes the flexible pipe 4 of drawing motor is over against coil 3, and the air in the motor 5 is concentrated flowing through coil 3, and extracts motor out from coil 3.

Wireway 10 rotates with rotor high-speed; Because of centrifugal force with the air of motor 5 near air admission hole 1 one ends; Get rid of gap between coil and stator (needing the heating position of thermal component), not only have auxiliary afflux effect, can also fluid fully cover the heating position of coil 3.

Through the cooperation of flexible pipe 2 with flexible pipe 3 and wireway 10, reach the effect that fluid is concentrated heat radiation, can also reach heat radiation fully, promptly air-flow can fully cover the whole heating positions that need thermal component.

Emphasis of the present invention:

Be communicated with successively through inlet duct, space, motor domestic demand thermal component place, exhaust apparatus three; Make the outer gas of motor get in the motor through inlet duct; Flowing through needs thermal component; Outside exhaust apparatus is discharged motor, utilize the outer normal temperature air of motor that the need thermal component is dispelled the heat again to reach; Obviously the need thermal component of motor maybe be not only one, and for traditional structure, each needs space, thermal component place possibly be disconnected, at this moment guarantees structure of modification is communicated with realization.

Prioritization scheme:

1, the present invention is a water proof and dust proof grade of guaranteeing motor, and said exhaust apparatus and inlet duct all are located at the position dustproof on the motor outline, that classification of waterproof is low; Again because exhaust apparatus in working order down, the dirt beyond the motor is difficult for getting in motor from it with water, thus exhaust apparatus institute installation site dustproof, classification of waterproof can be than the inlet duct height; Generally speaking, what it was dustproof in the end of the output shaft of motor, classification of waterproof is lower than rear end cap, end cap be lower than the back front end housing; But the different application environment will respective change, but preferred version 1 thus:

Scheme 1, inlet duct is provided with one or more air inlets or air inlet pipe, and exhaust apparatus is provided with one or more blast pipes or exhaust outlet; Each air inlet or air inlet pipe, blast pipe or exhaust outlet can be to select simultaneously with next technical characterictic or a plurality of technical characterictic (following technical characterictic can not conflict, and can use simultaneously on same motor):

Scheme 1 is replenished:

1) when not allowing inlet duct and blowing apparatus, electric machine structure all is not located at above-mentioned particular range (motor output shaft, motor front and rear cover); And when higher, said exhaust apparatus, inlet duct should add dust cover, filter, pore to inferior to motor to the water proof and dust proof grade.

2) when motor output shaft, motor front end housing and motor rear end be stamped wherein two when not allowing to be provided with inlet duct and blowing apparatus, the preferential exhaust apparatus of inlet duct is located at particular range.

2, structure optimization and energy saving optimizing can adopt following 1 or a plurality of scheme:

Scheme 2, the present invention just realizes gas flow in the motor, can only be provided with a drive unit, said drive unit only is used for the gas in the motor is discharged outside the motor, and the outer air pressure of three-way motor, makes the outer air of motor be pressed into motor through suction hole (getter device); Be that inlet duct need not to be provided with separately drive unit; This drive unit can be external in addition, as vacuumizing pump at motor peripheral hardware one, and connects the steam vent of motor; This programme mainly comprises:

1) said inlet duct is that on the motor outline, be provided with and air admission hole or air inlet pipe need thermal component place spatial communication, wherein is communicated with the preferred air inlet pipe in space, pyrotoxin place;

2) said exhaust apparatus comprises:

A. be located on the motor outline and venthole or escape pipe need thermal component place spatial communication, it is communicated with the preferred blast pipe in space, pyrotoxin place, and makes the heating position of gas outlet over against the need thermal component;

B. act on the drive unit that needs gas in the space, thermal component place; The airtight position of giving vent to anger that is communicated in drive unit of said venthole or escape pipe, and make the heating position of air inlet over against the need thermal component.

The special instruction of scheme 2:

1, drive unit of the present invention is not limited to be applied to exhaust apparatus; Certainly in order to improve speed in the outside air entering machine; Air velocity in the machine finally is provided; Also can be applicable to inlet duct, even be applied to the 1 described wireway 10 (like Fig. 2) that helps stream pipe 52 (like Fig. 1), embodiment 2 like embodiment.

2, in order to make full use of the machine inner fluid fully to the heat radiation of need thermal component; Inlet duct is satisfied through its air that gets in the motor all must flow through and need belong to the space by thermal component, all can be with the air-flow that satisfies motor internal through needing the heating position of thermal component.Specific embodiments as: outlet is provided with air intake device or import is provided with blowing device in need thermal component space, place and near pyrotoxin in space, need thermal component place and near pyrotoxin.

Scheme 3; Said drive unit be transmitted in or indirect drive in electric machine main shaft, original rotatable parts of motor internal especially capable of using, and select the high parts of rotating speed as far as possible; The exhaust technique of drive unit all can be used prior art, as: on revolving part, have additional fan blade or and air vent hole; Said fan blade acts on the gas that needs space, thermal component place, and gas is discharged from air vent hole; Airtight rotationally air vent hole or the rotatable airtight wireway that is installed on the air vent hole that is communicated in of said steam vent of being communicated in of said blast pipe.

Scheme 3 additional especially: the described air-flow centralised arrangement with regard to scheme 2 can be provided with many places; The air-flow centralised arrangement all can be transformed (also can install additional separately as required certainly) at original rotatable parts of motor internal relevant position everywhere; Especially at the little position of each gas channel, can set up the device of strengthening air-flow velocity.

Claims

1. full non-ventilated motor; It is characterized in that: it comprises: it is provided with inlet duct and exhaust apparatus on the motor outline; Said inlet duct is communicated with the motor inner room with exhaust apparatus; Make the outer gas of motor get in the motor through inlet duct, flowing through needs thermal component, again outside exhaust apparatus is discharged motor.

2. a kind of full non-ventilated motor as claimed in claim 1 is characterized in that: said inlet duct is that on the motor outline, be provided with and air admission hole or air inlet pipe need thermal component place spatial communication; Said exhaust apparatus comprises:

1), is located on the motor outline and venthole or escape pipe need thermal component place spatial communication;

2), act on the exhaust gas drive device that needs gas in the space, thermal component place; The airtight position of giving vent to anger that is communicated in the exhaust gas drive device of said venthole or escape pipe.

3. a kind of full non-ventilated motor as claimed in claim 2 is characterized in that it at least also is provided with next scheme:

1), said exhaust gas drive device be transmitted in or indirect drive in electric machine main shaft;

2), the gas outlet of said air inlet pipe is over against the need thermal component;

3), the air inlet of said escape pipe is over against the need thermal component;

4), said inlet duct satisfies: only reduce motor internal air pressure through exhaust apparatus, and make the air outside the machine be pressed into air admission hole or air inlet pipe.

4. a kind of full non-ventilated motor as claimed in claim 2 is characterized in that: said exhaust gas drive device be following one of them:

1), is provided with fan blade and air vent hole at the original rotatable parts of motor internal; Said fan blade acts on the gas that needs space, thermal component place, and gas is discharged from air vent hole; Airtight rotationally air vent hole or the rotatable airtight wireway that is installed on the air vent hole that is communicated in of said steam vent of being communicated in of said blast pipe;

2), said exhaust gas drive device is to be located at the outside aspiration pump of motor.

5. a kind of full non-ventilated motor as claimed in claim 1, it is characterized in that: it also is provided with a current-collecting device, and said current-collecting device satisfies can the air-flow in the machine be concentrated to be sent forth on heat generating member, to improve the heat-sinking capability in the motor.

6. a kind of full non-ventilated motor as claimed in claim 5; It is characterized in that: described current-collecting device is isolated pyrotoxin and motor outline; Need the air inlet of gas outlet and escape pipe that space, thermal component place could and only can be communicated to outside the machine, and make air inlet pipe through air inlet pipe and escape pipe all over against the need thermal component.

7. a kind of full non-ventilated motor as claimed in claim 1; It is characterized in that: said exhaust apparatus and inlet duct all are located on the motor outline position dustproof, that classification of waterproof is low, said exhaust apparatus institute installation site dustproof, classification of waterproof is high than inlet duct.

8. a kind of full non-ventilated motor as claimed in claim 1 is characterized in that: on the correspondence position of inlet duct on the motor profile and exhaust apparatus, be provided with dust cover.

9. a kind of full non-ventilated motor as claimed in claim 1 is characterized in that it comprises with next technical characterictic at least:

1), said inlet duct and exhaust apparatus one of them be located at the front end housing of motor;

2), said inlet duct and exhaust apparatus one of them be located at the rear end cap of motor;

3), said inlet duct and exhaust apparatus one of them be located at the output shaft of motor.

10. a kind of full non-ventilated motor as claimed in claim 1; It is characterized in that: described inlet duct satisfies through its air that gets in the motor all must flow through and need belong to the space by thermal component, all can be through needing the heating position of thermal component with the air-flow that satisfies motor internal.