CN108494141B - Dust-proof clean type motor - Google Patents
Dust-proof clean type motor Download PDFInfo
- Publication number
- CN108494141B CN108494141B CN201810276733.6A CN201810276733A CN108494141B CN 108494141 B CN108494141 B CN 108494141B CN 201810276733 A CN201810276733 A CN 201810276733A CN 108494141 B CN108494141 B CN 108494141B
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- China
- Prior art keywords
- dust
- proof
- dust cover
- heat dissipation
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Electric Suction Cleaners (AREA)
Abstract
This application involves technical field of motors, specifically disclose dust-proof clean type motor, it includes motor body, the periphery of motor body is equipped with the thermally conductive sheet being axially arranged along motor body, motor periphery is arranged with the dust cover with motor body rotation connection, and the output shaft of motor body drives dust cover rotation；Guide shell is equipped between dust cover and motor body, it is heat dissipation channel between guide shell and motor body, it is dust-proof channel between guide shell and dust cover, dust-proof channel includes the entrance, venturi and diffuser being sequentially communicated, the end of heat dissipation channel is connected to the entrance in dust-proof channel, and the radiator fan positioned at entrance is fixed on the inner wall of dust cover；The side wall of guide shell is equipped with multiple air suction openings of connection venturi and heat dissipation channel, and the first dirt net opposite with air suction opening is equipped in heat dissipation channel；The motor can be attached on motor thermally conductive sheet in use to avoid dust.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of dust-proof clean type motor.
Background technique
When using motor under the working environment for having dust, extraneous dust can enter in motor, to will affect motor
Service life often adds a dust cover to prevent extraneous dust from entering in motor outside motor, under high temperature environment in use,
Dust cover is not easy to radiate, and high temperature also will affect the service life of motor.And existing dust cover is when in use, it is common that motor
It is placed in dust cover, in the using area transformation of motor, needs first to separate motor and dust cover, then mobile motor in batches
With dust cover, after moving to required position, motor need to be installed in dust cover again, handling repeatedly are more troublesome.
In addition, existing motor is mostly ventilated machine, and according to the difference of motor radiating situation, can generate heat feelings according to it
Condition installs radiator fan, to accelerate the cooling of motor；And radiator fan can enhance the flowing of the air around motor, so that ash will be made
Dirt is swum in around motor, and with the extension of use time, dust will be attached on the cooling fin of motor；Dust is attached to heat dissipation
On piece reduces the thermal conductivity for keeping cooling fin outside, so that the ability for making cooling fin transmit heat outward be reduced, eventually leads to
The radiating efficiency of motor declines, and shortens the service life of motor.
Summary of the invention
The purpose of the present invention is to provide a kind of dust-proof clean type motors, to avoid dust from being attached to electricity in use
On machine thermally conductive sheet.
In order to achieve the above objectives, base case of the invention is as follows:
Dust-proof clean type motor includes motor body, and the periphery of motor body is thermally conductive equipped with being axially arranged along motor body
Piece, and motor periphery is arranged with the dust cover with motor body rotation connection, the output shaft of motor body can drive dust-proof outer
Shell rotation；The guide shell fixed with motor body is equipped between dust cover and motor body, between guide shell and motor body
Be dust-proof channel between guide shell and dust cover for heat dissipation channel, dust-proof channel include the entrance being sequentially communicated, venturi and
Diffuser, the cross section of venturi are less than the cross section of entrance, diffuser and heat dissipation channel, and the end of heat dissipation channel leads to dust-proof
The entrance in road is connected to, and the radiator fan positioned at entrance is fixed on the inner wall of dust cover；On the side wall of the guide shell
Multiple air suction openings equipped with connection venturi and heat dissipation channel, and the first dirt net opposite with air suction opening is equipped in heat dissipation channel.
The principle of the dust-proof clean type motor of this programme is:
After electric motor starting, drive shaft will drive dust cover to rotate together, then the radiator fan being located in entrance will be with
It is rotated together with dust cover.Under the drainage of radiator fan, and since heat dissipation channel and dust-proof channel join end to end, because
This outside air will pass through heat dissipation channel and dust-proof channel, then be then exhausted from, i.e., form gas in heat dissipation channel and dust-proof channel
Stream.When air-flow passes through heat dissipation channel, the heat that will be generated when taking away motor operation, to cool down to motor.Air-flow passes through
When dust-proof channel, since the sectional area of the venturi in dust-proof channel is less than the sectional area of entrance, diffuser and heat dissipation channel, thus
When air-flow passes through venturi, air-flow will be compressed such that air-flow velocity is accelerated, therefore the pressure at venturi is less than entrance, diffusion
Pressure in section and heat dissipation channel.
Be provided on the side wall of guide shell connection venturi and heat dissipation channel air suction opening, therefore air-flow pass through venturi when, inhale
Dirt hole will form suction to the air-flow in heat dissipation channel；In addition, due to being equipped with the first dirt opposite with air suction opening in heat dissipation channel
Net, when air-flow flows in heat dissipation channel, most dust will be stopped by the first dirt net in air-flow, and be adsorbed on the first dirt
On the net, so that dust continuation be avoided to flow in heat dissipation channel；Since air suction opening is opposite with the first dirt net, air suction opening is to
One dirt net generates suction, and being adsorbed on the online dust of the first dirt will suck in venturi, and be discharged together with air-flow.First dirt net can
To be made of wire netting, to make it have biggish surface area, it is online to be attached to the first dirt convenient for dust.
The beneficial effect that this programme generates is:
(1) when air-flow passes through heat dissipation channel, it is online will to be attached to the first dirt for a large amount of dust in air-flow, and due to venturi
Suction will be generated to the first dirt net, thus dust by heat dissipation channel and be attached to the first dirt it is online after, will be inhaled into rapidly
In venturi, so that the path that reduction dust is flowed in heat dissipation channel, avoids dust from being largely attached on thermally conductive sheet, causes to lead
The ability that heat is transmitted on backing reduces；In addition, when dust be adsorbed on the first dirt it is online after, will be inhaled into venturi rapidly, from
And can assemble on the net to avoid dust in the first dirt, cause the obstruction of heat dissipation channel.
(2) axial direction of the thermally conductive sheet along motor body, and the extension of flow direction and thermally conductive sheet of the air-flow in heat dissipation channel
Direction is identical, so that air-flow and thermally conductive sheet have maximum contact area, radiating efficiency can be improved.
(3) when electric motor starting, dust cover is rotated relative to motor body, and will be to by anti-when dust cover rotation
The air-flow in dirt channel generates disturbance, i.e., will make the flow rotation by dust-proof channel, and the air-flow in dust-proof channel is logical to heat dissipation
Air-flow in road can equally generate disturbance, and then the air-flow in heat dissipation channel will also generate rotation；Therefore air-flow is logical by heat dissipation
When road, dust will be subject to centrifugal forces, and close to guide shell, to be more advantageous to by air suction opening sucking venturi.
Preferred embodiment one: advanced optimizing as to base case, and the periphery of the dust cover is equipped with dust-collecting cylinder, collection
The partition that integrated cylinder is separated to negative pressure cavity and centrifugal chamber is equipped in dirt barrel, negative pressure cavity is close to venturi；It is set on the side wall of dust cover
There is the through-hole that can be connected to venturi and negative pressure cavity, is equipped with the sprue that can block through-hole in through-hole, sprue is closed by through-hole when centrifugal force；
Equipped with piston and the tension spring for connecting piston with partition in the centrifugal chamber, piston is equipped with for centrifugation room air discharge
First check valve, partition are equipped with the second one-way valve flowed for the air in negative pressure cavity to centrifugal chamber.
In preferred embodiment one, when dust cover is rotated relative to motor body, dust-collecting cylinder will also follow dust cover edge
Motor body circumferentially rotates, thus be set to dust-collecting cylinder in piston will be subject to centrifugal forces, and overcome tension spring to
Outer sliding；Increase so that being centrifuged indoor space, therefore be centrifuged indoor pressure to reduce, to connect centrifugal chamber and negative pressure cavity
The both ends of second one-way valve form pressure difference, open second one-way valve, then the air in negative pressure cavity is flowed to centrifugal chamber, and is made
The pressure of negative pressure cavity reduces.After dust cover stops operating, piston by under the effect of the elastic force of tension spring to motor body side
Sliding is centrifuged indoor pressure and is gradually increased when due to piston to one Slideslip of motor body, therefore second one-way valve is in and closes
Closed state, with centrifugation chamber pressure constantly increase, the first check valve will open, air extra in centrifugal chamber is discharged, make from
Intraventricular air reaches normal pressure.
When dust cover stops operating, since sprue is no longer influenced by centrifugal force effect, through-hole is opened, so that negative pressure
Chamber is connected to venturi；And be negative pressure before through-hole opening, in negative pressure cavity, therefore opened moment in through-hole, the air in venturi
It will pour into negative pressure cavity, then after motor stalls, the dust remained in dedusting channel will be inhaled into negative pressure cavity；It avoids
Dust accumulates in dedusting channel.
Preferred embodiment two: as advanced optimizing to preferred embodiment one, the dust-collecting cylinder is threadedly coupled with dust cover,
So as to remove dust-collecting cylinder, to clear up the dust being accumulated in negative pressure cavity.
Preferred embodiment three: as advanced optimizing to preferred embodiment two, outer lateral bending of the diffuser to dust cover
It is bent；Since the air-flow being discharged from dedusting channel contains dust, outer lateral bend from diffuser to dust cover so that from dedusting
It is spread around the gas flow direction motor of channel discharge, to avoid again by the sucking of cooling channel.
Preferred embodiment four: as advanced optimizing to preferred embodiment three, the second dirt net is equipped at the venturi；Work as dust
When by the second dirt net, it is online that part dust will be attracted to the second dirt；After motor stops working, it is online to be adsorbed on the second dirt
Dust will be inhaled into negative pressure cavity, so as to reduce the dust being discharged from dedusting channel, and it is online to be adsorbed on the second dirt
Dust negative suction chamber can be blocked to avoid venturi.
Preferred embodiment five: as advanced optimizing to preferred embodiment four, the dust-collecting cylinder is axially perpendicular to motor sheet
Body is axial；So that the centrifugal force direction that piston is subject to is identical as the glide direction of piston, the centrifugal force that piston is subject to will be complete
It is complete for overcoming tension spring to the pulling force of piston, i.e., when dust cover is rotated with identical speed, distance that piston slides in and out
Maximum, then the accessible vacuum degree of negative pressure cavity is maximum.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the dust-proof clean type motor embodiment of the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: motor body 10, output shaft 11, thermally conductive sheet 12, dust cover 20, dissipates
Hot-air fan 21, entrance 22, venturi 23, diffuser 24, the second dirt net 25, guide shell 30, heat dissipation channel 31, the first dirt net 32,
Air suction opening 33, dust-collecting cylinder 40, centrifugal chamber 41, negative pressure cavity 42, piston 43, the first check valve 44, partition 45, second one-way valve 46,
Sprue 47, pressure spring 48, the second deflector hole 49, the first deflector hole 51.
Embodiment is substantially as shown in Figure 1 and Figure 2:
The main body of the dust-proof clean type motor of the present embodiment is motor body 10, and the periphery of motor body 10 is equipped with along motor
The thermally conductive sheet 12 that ontology is axially arranged, thermally conductive sheet 12 are used to accelerate the radiating efficiency of the heat distributed when motor body 10 works.
Motor periphery is arranged with the dust cover 20 being rotatablely connected with motor body 10, one end and the motor body 10 of dust cover 20
Output shaft 11 is fixed, the end closure that dust cover 20 and output shaft 11 are fixed, and another end opening of dust cover 20.It is dust-proof
Guide shell 30 is equipped between shell 20 and motor body 10, guide shell 30 is inserted and secured on from one end that dust cover 20 is open
On motor body 10.It is heat dissipation channel 31 between guide shell 30 and motor body 10, is between guide shell 30 and dust cover 20
Dust-proof channel.
Dust-proof channel includes the entrance 22, venturi 23 and diffuser 24 being sequentially communicated, the cross section of venturi 23 be less than into
The cross section of mouth section 22 and diffuser 24, so that dust-proof channel forms Venturi tube.It is removed when air-flow enters from entrance 22
When dirt channel and process venturi 23, venturi 23 will have compression to air-flow, so that air-flow be made to add by the flow velocity of venturi 23
Fastly, then pressure reduces at venturi 23.The end of heat dissipation channel 31 is connected to the entrance 22 in dust-proof channel, and dust cover 20
Inner wall on be fixed with radiator fan 21 positioned at entrance 22；When output shaft 11 drives dust cover 20 to rotate, radiator fan
21 will also rotate relative to motor body 10, so that radiator fan 21 will push the gas in dust-proof channel to flow outwardly to, because furthermore
The air-flow that formation is discharged from heat dissipation channel 31 into and through dedusting channel portion's air can when air-flow passes through heat dissipation channel 31
Quickening radiates to motor body 10.The side wall of guide shell 30 is equipped with six dust suctions of connection venturi 23 and heat dissipation channel 31
Hole 33, and the cross-sectional area of venturi 23 is also less than the cross-sectional area of heat dissipation channel 31；Therefore it when motor body 10 is run, is dissipating
In the passage of heat 31 and dust-proof channel, the pressure at venturi 23 is minimum and flow velocity is most fast, and the flow velocity in heat dissipation channel 31 is relatively slow, because
This venturi 23 will be by air suction opening 33 to forming suction in heat dissipation channel 31, therefore the dust for entering heat dissipation channel 31 will be inhaled into
Venturi 23.In addition, being equipped with the first dirt net 32 in heat dissipation channel 31, the first dirt net 32 is opposite with air suction opening 33；It is dissipated when air-flow enters
When the passage of heat 31, most dust will be attracted on the first dirt net 32, and air suction opening 33 and the first dirt net 32 then may be used relatively
The dust being adsorbed on the first dirt net 32 is sucked in venturi 23.
The periphery of dust cover 20 is set there are six dust-collecting cylinder 40, and dust-collecting cylinder 40 is uniformly distributed along the periphery of dust cover 20,
And dust-collecting cylinder 40 is threadedly coupled with dust cover 20, so that dust-collecting cylinder 40 can be disassembled from dust cover 20.Dust-collecting cylinder 40
Interior to be equipped with partition 45, integrated cylinder is divided into negative pressure cavity 42 and centrifugal chamber 41 by partition 45.Dust-collecting cylinder 40 close to centrifugal chamber 41 one
End is connected on dust cover 20, and integrated cylinder is opposite with the position where venturi 23.It is equipped on the side wall of dust cover 20
One end is connected to the through-hole of venturi 23, other end connection negative pressure cavity 42, is equipped with the sprue 47 that can be slided along through-hole in through-hole；Through-hole
Side wall is equipped with the first deflector hole 51, and one end of the first deflector hole 51 is connected to negative pressure cavity 42, the other end of the first deflector hole 51
It can be blocked by sprue 47；Sprue 47 is equipped with the second deflector hole 49, and the opening of 49 one end of the second deflector hole is set to the side of sprue 47
On wall, so that the second deflector hole 49 can be connected to the first deflector hole 51, the other end and venturi 23 of the second deflector hole 49 connect
It is logical；And it is equipped with sprue 47 in through-hole against the pressure spring 48 of 23 side of venturi.Dust cover 20 rotate when, sprue 47 by from
Mental power function, the first deflector hole 51 and the second deflector hole 49 are staggered, then negative pressure cavity 42 is not connected to venturi 23；And work as dust cover
20 when stopping operating, and sprue 47 resets under the action of pressure spring 48, so that the first deflector hole 51 is connected to the second deflector hole 49.
Equipped with piston 43 and the tension spring for connecting piston 43 and partition 45 in centrifugal chamber 41, when dust cover 20 rotates,
Piston 43, which is subject to centrifugal forces, to be slid in and out, so that the space of centrifugal chamber 41 increases；In addition, in order to make piston 43 by
Centrifugal force be completely used for overcoming tension spring, and keep the sliding distance of piston 43 maximum, dust-collecting cylinder 40 it is axially vertical with it is electric
The axial direction of machine ontology 10.Piston 43 is equipped with for the first check valve 44, and partition 45 is equipped with second one-way valve 46；When dust-proof outer
When shell 20 rotates, the pressure of centrifugal chamber 41 reduces, and 46 two sides of second one-way valve form pressure difference, then second one-way valve 46 is opened,
Air in negative pressure cavity 42 will flow into centrifugal chamber 41；When dust cover 20 stops operating, piston 43 under the action of tension spring to
Interior sliding, the pressure in centrifugal chamber 41 will increase, then second one-way valve 46 is closed, and the first check valve 44 is opened, then centrifugal chamber
41 can be by the outside pressure release of the first check valve 44, so that the pressure recovery in centrifugal chamber 41 is normal pressure.In addition, being equipped at venturi 23
Second dirt net 25, the first dirt net 32 and the second dirt net 25 are all made of wire netting and are made；When dust cover 20 stops operating, sprue
47 reset under the action of pressure spring 48, so that the first deflector hole 51 is connected to the second deflector hole 49, and at this time due to negative pressure cavity 42
In negative pressure state, the dust being attached on the second dirt net 25 will be inhaled into negative pressure cavity 42, in order to handle dust.
In the present solution, the open at one end of guide shell 30 towards dust cover 20 is in flared, so that dust-proof channel
Outer lateral bend from diffuser 24 to dust cover 20 so that discharge gas flow direction motor around spread, avoid being dropped again
Warm channel sucking.
The specific work process of the dust-proof clean type motor of the present embodiment are as follows:
After electric motor starting, drive shaft drives dust cover 20 to rotate together.Radiator fan 21 is by the air in dust-proof channel
Discharge, therefore outside air will pass through heat dissipation channel 31 and dust-proof channel, then be then exhausted from, thus in heat dissipation channel 31 and dust-proof
Air-flow will be formed in channel.When air-flow passes through heat dissipation channel 31, it can cool down to motor body 10；Air-flow passes through first simultaneously
When dirt net 32, the part dust in air-flow will be adsorbed on the first dirt net 32.Air-flow, which will continue flowing, to be entered in dust-proof channel, and
When air-flow passes through venturi 23, air-flow will be compressed such that air-flow velocity is accelerated, so that the pressure at venturi 23 be made to reduce；Therefore it inhales
Dirt hole 33 sucks the dust being attached on the first dirt net 32 in venturi 23, so that dust is attached on the second dirt net 25.
While dust cover 20 rotates, dust-collecting cylinder 40 will follow dust cover 20 to rotate together, when dust-collecting cylinder 40 rotates,
Its internal piston 43 will make negative pressure cavity 42 in negative pressure state under the influence of centrifugal force；When dust cover stops operating, by
In sprue 47 no longer by the effect of centrifugal force, negative pressure cavity 42 will be connected to venturi 23, to be attached to the ash on the second dirt net 25
Dirt will be inhaled into negative pressure cavity 42.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (6)
1. dust-proof clean type motor, including motor body, it is characterised in that: the periphery of motor body is equipped with along motor body axial direction
The thermally conductive sheet of setting, and motor periphery is arranged with the dust cover with motor body rotation connection, the output shaft of motor body can
Drive dust cover rotation；The guide shell fixed with motor body, guide shell and electricity are equipped between dust cover and motor body
It is heat dissipation channel between machine ontology, is dust-proof channel between guide shell and dust cover, dust-proof channel includes entering of being sequentially communicated
Mouth section, venturi and diffuser, the cross section of venturi are less than the cross section of entrance, diffuser and heat dissipation channel, heat dissipation channel
End is connected to the entrance in dust-proof channel, and the radiator fan positioned at entrance, radiation air are fixed on the inner wall of dust cover
When fan operation, air-flow enters from heat dissipation channel and is discharged from dust-proof channel；The side wall of the guide shell be equipped with connection venturi and
Multiple air suction openings of heat dissipation channel, and the first dirt net opposite with air suction opening is equipped in heat dissipation channel.
2. dust-proof clean type motor according to claim 1, it is characterised in that: the periphery of the dust cover is equipped with dust
Cylinder, dust-collecting cylinder is interior to be equipped with the partition that integrated cylinder is separated to negative pressure cavity and centrifugal chamber, and negative pressure cavity is close to venturi；The side wall of dust cover
It is equipped with the through-hole that can be connected to venturi and negative pressure cavity, is equipped with the sprue that can block through-hole in through-hole, sprue is by through-hole when centrifugal force
Closing；Equipped with piston and the tension spring for connecting piston with partition in the centrifugal chamber, piston is equipped with for centrifugation room air
First check valve of discharge, partition are equipped with the second one-way valve flowed for the air in negative pressure cavity to centrifugal chamber.
3. dust-proof clean type motor according to claim 2, it is characterised in that: the dust-collecting cylinder and dust cover screw thread connect
It connects.
4. dust-proof clean type motor according to claim 3, it is characterised in that: the diffuser is to the outside of dust cover
Bending.
5. dust-proof clean type motor according to claim 4, it is characterised in that: be equipped with the second dirt net at the venturi.
6. dust-proof clean type motor according to claim 5, it is characterised in that: the dust-collecting cylinder is axially perpendicular to motor
Ontology is axial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276733.6A CN108494141B (en) | 2018-03-30 | 2018-03-30 | Dust-proof clean type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276733.6A CN108494141B (en) | 2018-03-30 | 2018-03-30 | Dust-proof clean type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108494141A CN108494141A (en) | 2018-09-04 |
| CN108494141B true CN108494141B (en) | 2019-08-13 |
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ID=63317084
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810276733.6A Expired - Fee Related CN108494141B (en) | 2018-03-30 | 2018-03-30 | Dust-proof clean type motor |
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| Country | Link |
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| CN (1) | CN108494141B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209951B (en) * | 2018-10-31 | 2020-05-12 | 重庆市兴林电器有限公司 | Self-cleaning electric fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254296A (en) * | 2002-02-25 | 2003-09-10 | Ryobi Ltd | Aspirator/blower |
| CN202690324U (en) * | 2012-06-28 | 2013-01-23 | 华中科技大学 | Air flue device for chimney ventilation device |
| CN103915953A (en) * | 2014-04-15 | 2014-07-09 | 无锡市正阳机械有限公司 | Rotor cleaning device |
| CN206099615U (en) * | 2016-09-30 | 2017-04-12 | 光陆机电有限公司 | High -efficient three -phase asynchronous motor |
| CN206574033U (en) * | 2017-03-22 | 2017-10-20 | 黑龙江工业学院 | A kind of moistureproof dustproof computer CPU heat abstractors |
-
2018
- 2018-03-30 CN CN201810276733.6A patent/CN108494141B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254296A (en) * | 2002-02-25 | 2003-09-10 | Ryobi Ltd | Aspirator/blower |
| CN202690324U (en) * | 2012-06-28 | 2013-01-23 | 华中科技大学 | Air flue device for chimney ventilation device |
| CN103915953A (en) * | 2014-04-15 | 2014-07-09 | 无锡市正阳机械有限公司 | Rotor cleaning device |
| CN206099615U (en) * | 2016-09-30 | 2017-04-12 | 光陆机电有限公司 | High -efficient three -phase asynchronous motor |
| CN206574033U (en) * | 2017-03-22 | 2017-10-20 | 黑龙江工业学院 | A kind of moistureproof dustproof computer CPU heat abstractors |
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| Publication number | Publication date |
|---|---|
| CN108494141A (en) | 2018-09-04 |
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