CN207321017U - A kind of double-speed motor - Google Patents
A kind of double-speed motor Download PDFInfo
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- CN207321017U CN207321017U CN201721286712.XU CN201721286712U CN207321017U CN 207321017 U CN207321017 U CN 207321017U CN 201721286712 U CN201721286712 U CN 201721286712U CN 207321017 U CN207321017 U CN 207321017U
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- housing
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- rotor
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Abstract
The utility model discloses a kind of double-speed motor, including housing, rotor, drive end bearing bracket and rear end cap, limbers is offered on housing, the first arc groove for making adjacent limbers form U-shaped circuit is offered on drive end bearing bracket, the second arc groove for making adjacent U-shaped circuit form chilled(cooling) water return (CWR) is offered on rear end cap, water inlet interface is provided with drive end bearing bracket, water outlet mouthpiece is provided with rear end cap, the radiator for making cooling water be circulated in chilled(cooling) water return (CWR) is provided with the side of housing, the utility model has the following advantages and effect：This programme utilizes new mechanical structure, and the chilled(cooling) water return (CWR) energy Cooling Water circulation formed in housing, drive end bearing bracket and rear end cap, cooling water can take away the heat on housing during flowing, to electric motor temperature reduction；Radiating fin can increase the heat exchange area of housing and air, accelerate housing radiating rate；And radiator shutter can accelerate the flowing velocity of air near radiating fin, so as to further speed up the heat dissipation of housing.
Description
Technical field
Field of motor manufacturing is the utility model is related to, more particularly to a kind of double-speed motor.
Background technology
The boiler of steam power plant is, it is necessary to give boiler water supply before steam is produced, and these water mainly will originally by water pump
Water is sent into boiler.But the constant-seed motor of common water pump is when in use, to meet the larger situation of summer condition water consumption, motor
Capacity makes choice according to summer capacity, and when this results in winter condition, when enclosed water consumption is less, enclosed water pressure is inclined
Height, thermal technology adjusts difficulty, therefore makes constant-seed motor into double-speed motor, and the difference of motor speed is needed with adapting to winter and summer
Ask.
At present, Authorization Notice No. CN205248975U, the Chinese utility model that authorized announcement date is 2016.05.18 are public
A kind of concentric twin shaft double-speed motor is opened, the output terminal of motor output shaft further includes worm gear, worm-wheel shaft, center as worm screw
It is the outer shaft transmission gear of axis reduction gearing, concentric shafts outer shaft reduction gearing, central shaft axle sleeve, central shaft driven gear, concentric shafts, same
Mandrel outer shaft axle sleeve, housing, the worm and wheel engagement of the motor output shaft output terminal；The both ends of the worm-wheel shaft respectively with
Housing connect, worm gear, central shaft reduction gearing, concentric outer shaft reduction gearing respectively with worm gear axis connection；Central shaft axle sleeve one
End is connected with housing, the other end is connected with concentric outer shaft axle sleeve, the other end of concentric outer shaft axle sleeve is connected with housing；Center
Shaft transmission gear is connected with central shaft axle sleeve and is engaged with central shaft reduction gearing, concentric outer shaft transmission gear with it is concentric
Outer shaft axle sleeve is connected and engaged with concentric outer shaft reduction gearing.
Concentric twin shaft double-speed motor as described in above-mentioned document, its motor need drive worm gear, central shaft reduction gearing,
The series of gears such as concentric shafts outer shaft reduction gearing rotate, and the rotor load of motor is larger, and fever is serious, and the rotor of motor
It is enclosed in housing, heat dissipation is poor, is easily burnt out after long-play.
Utility model content
The purpose of this utility model is to provide a kind of double-speed motor, and radiator is set on motor, can be in time to electricity
Machine radiates, and reduces the possibility that motor is burnt out.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of double-speed motor, bag
Include housing, stator, rotor, drive end bearing bracket and rear end cap, offered on the end face of the housing side multiple length directions parallel to
The limbers of the length direction of the housing, offers on the end face that the drive end bearing bracket is contradicted with the housing and multiple is used to make phase
First arc groove in U-shaped circuit, the end face that the rear end cap is contradicted with the housing are formed after adjacent two limbers connections
On offer the second arc groove for making to form chilled(cooling) water return (CWR) after two neighboring U-shaped circuit communication, set on the drive end bearing bracket
The water inlet interface connected by first arc groove with one end of the chilled(cooling) water return (CWR) is equipped with, is provided with the rear end cap
The water outlet mouthpiece connected by second arc groove with the other end of the chilled(cooling) water return (CWR), is set in the side of the housing
It is useful for the radiator for making cooling water be circulated in the chilled(cooling) water return (CWR).
By using such scheme, the chilled(cooling) water return (CWR) formed between drive end bearing bracket, rear end cap and housing three being capable of cooling
But water is by during cooling water flows through chilled(cooling) water return (CWR), since the specific heat capacity of water is larger, having good heat conduction
Rate, can take away the heat on housing with current, cools down to housing, after case temperature lowers, is installed in housing
The temperature of rotor can also reduce, so as to achieve the purpose that reducing motor burns out possibility.
The radiator includes water inlet pipe, outlet pipe, suction pump and collecting-tank, and the collecting-tank is positioned over the housing
Side, one end of the water inlet pipe is connected with the water inlet interface and the other end is connected with the suction pump, the suction pump
It is positioned in the collecting-tank, one end of the outlet pipe is connected with the water outlet mouthpiece and the other end immerses the collecting-tank
It is interior.
By using such scheme, the water in collecting-tank enters cooling water by suction pump from the water inlet interface on drive end bearing bracket
In circuit, then flowed back in collecting-tank by the water outlet mouthpiece on rear end cap, can during water flows in chilled(cooling) water return (CWR)
The heat on housing is absorbed, the water after being heated is flowed into collecting-tank and is drawn into again in housing after cooling, the shape between backwater of drawing water
Into circulation, and since stator and rotor are all installed in housing, after the temperature of housing lowers, the temperature of stator and rotor
Degree also can be reduced accordingly, so as to achieve the purpose that reducing motor burns out possibility.
The utility model is further arranged to：The radiator further includes multiple rows of be fixed in the housing sidewall
Radiating fin, formed with heat dissipation gap between the adjacent radiating fin.
By using such scheme, the radiating fin on housing can increase the contact area of housing and air, and housing
Surface area be exactly housing and air heat exchange area, according to thermodynamic principles, heat exchange area is bigger, the speed of heat transfer
It is faster, therefore radiating fin can speed up the heat dissipation of housing, so as to further reduce the possibility that motor is burnt out.
The utility model is further arranged to：The one end of the radiating fin away from the housing is fixed with for increasing
The heat sink of heat dissipation area.
By using such scheme, heat sink can increase the surface area of radiating fin, make the heat of radiating fin and air
Exchange area further increases, therefore can further accelerate the exchange rate of housing and air, so as to further drop
The possibility that low motor is burnt out.
The utility model is further arranged to：Heat emission hole is offered on the side wall of each heat sink.
By using such scheme, the heat emission hole on heat sink can facilitate what air was formed between adjacent heat radiation fin
Heat dissipation forms convection current in gap, and according to thermodynamic principles, the flowing velocity of air is faster, and the heat being pulled away on radiating fin is just
It is more, therefore heat emission hole can further accelerate the radiating rate of housing again, so that motor is more not easy to be burned.
The utility model is further arranged to：The heat emission hole is uniformly distributed on the heat sink and the heat emission hole
Depth direction and the heat sink side wall normal between it is arranged in a crossed manner.
By using such scheme, it is obliquely installed between the normal of the depth direction of heat emission hole and the side wall of heat sink, energy
Enough surface areas for the hole that increase heat emission hole is formed on a heat sink, when the heat dissipation gap that air is formed between adjacent heat radiation fin
Interior when carrying out convection current via heat emission hole, the surface area of the heat emission hole of bigger means the heat dissipation area of bigger, so as to again more
Further accelerate the radiating rate of housing, so that motor is more not easy to be burned.
The utility model is further arranged to：The radiator, which further includes, is fixed on dissipating in the shaft of the rotor
Hot blade.
By using such scheme, during the rotor of motor rotates, can drive in the shaft for being fixed on rotor
Radiator shutter rotates, and can accelerate the flowing velocity of air during radiator shutter rotates, and then produces wind, when wind is to dissipating
It can speed up the flowing velocity of air near radiating fin during hot fin, the heat on radiating fin is faster pulled away, so that
Accelerate the radiating rate of housing, make motor more be not easy to be burned.
The utility model is further arranged to：Fixture block, the heat dissipation leaf are fixed with the side wall of the shaft of the rotor
Offered in the connection ring of piece for the card slot for fixture block insertion, and be threadedly coupled and be useful in the shaft of the rotor
The fixing sleeve radiator shutter being fixed in the shaft of the rotor, the radiator shutter are located at the fixing sleeve and described
Between fixture block, when the radiator shutter is socketed in the shaft of the rotor, the fixture block is embedded in the card slot.
By using such scheme, the fixture block in the shaft of rotor can limit opposite turn between radiator shutter and rotor
It is dynamic, and fixing sleeve can limit radiator shutter and come off from the shaft of rotor, rotor is driven during rotation scattered
Hot blade produces rotation, so as to achieve the purpose that to enable radiator shutter to produce wind.
The utility model is further arranged to：It is provided with the side wall that the housing is located in the limbers for increasing
The contact chip of shell adding body and cooling water contact area, the length direction of the length direction of the contact chip parallel to the housing.
By using such scheme, contact chip can increase the contact area of housing and cooling water, in the feelings that flow is constant
Under condition, bigger contact area, rate of heat exchange is higher, so that increase cooling water and rate of heat exchange of the housing within the unit interval,
Achieve the purpose that to accelerate housing heat dissipation.
In conclusion the utility model has the advantages that：The cooling water formed in housing, drive end bearing bracket, rear end cap
Circuit can Cooling Water circulation, the heat on housing can be taken away during cooling water flows through chilled(cooling) water return (CWR) so that
Achieve the purpose that to electric motor temperature reduction；Radiating fin in housing sidewall can increase the heat exchange area of housing and air, so that
Accelerate the radiating rate of housing；And the radiator shutter being fixed in the shaft of rotor can speed up the stream of air near radiating fin
Dynamic speed, so as to further accelerate the radiating rate of housing.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the present embodiment, for embodying the overall structure of double-speed motor；
Fig. 2 is the explosive view of the present embodiment, for embodying the structure of radiator；
Fig. 3 is the partial enlarged view at A in Fig. 2, for embodying the structure of drive end bearing bracket；
Fig. 4 is the partial enlarged view at B in Fig. 2, for embodying the structure of housing；
Fig. 5 is the explosive view of the present embodiment, for embodying the position relationship of radiator and housing；
Fig. 6 is the partial enlarged view at C in Fig. 5, for embodying the structure of rear end cap and radiator shutter.
In figure：1st, housing；11st, limbers；12nd, contact chip；2nd, rotor；21st, screw thread；22nd, fixture block；3rd, drive end bearing bracket；31st,
One arc groove；4th, rear end cap；41st, the second arc groove；5th, water inlet interface；6th, water outlet mouthpiece；7th, radiator；71st, water inlet pipe；
72nd, outlet pipe；73rd, suction pump；74th, collecting-tank；75th, radiating fin；751st, heat sink；752nd, heat emission hole；76th, radiator shutter；
761st, flabellum；762nd, connection ring；8th, card slot；9th, fixing sleeve；10th, groove.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1 and Figure 4, a kind of double-speed motor, including housing 1, rotor 2, drive end bearing bracket 3 and rear end cap 4, housing 1 be in
Circular tube shaped, is made of 45 steel, and multiple front and rear run through and length direction is parallel to housing is offered on the end face of 1 side of housing
The limbers 11 of 1 length direction, the quantity of limbers 11 is odd number, and multiple limbers 11 are uniformly distributed along the center of housing 1,
And integrated setting is useful for connecing for increase housing 1 and cooling water contact area on the side wall that housing 1 is located in limbers 11
Contact 12, the length direction of the length direction of contact chip 12 parallel to housing 1.
As depicted in figs. 1 and 2, drive end bearing bracket 3 and rear end cap 4 are in the form of annular discs, and rotor 2 is installed in housing 1, and rotor 2
Shaft be pierced by respectively outside drive end bearing bracket 3 and rear end cap 4；Spiral shell is offered on one end that the shaft of rotor 2 is exposed to outside rear end cap 4
Line 21, offers in the shaft of rotor 2 and two fixture blocks 22 is also symmetrically fixed with the side wall of 21 one end of screw thread, and two fixture blocks 22 are in
It is cylindric, and fixture block 22 is between screw thread 21 and rear end cap 4.
As shown in Figures 2 and 3, multiple circles around drive end bearing bracket 3 are offered on the end face that drive end bearing bracket 3 and housing 1 contradict
The heart is uniformly distributed and for making two neighboring limbers 11（See Fig. 4）First arc groove 31 in U-shaped circuit is formed after connection；Rear
Multiple centers of circle around rear end cap 4 are offered on the end face that end cap 4 is contradicted with housing 1 to be uniformly distributed and for making two neighboring U
The second arc groove 41 of chilled(cooling) water return (CWR) is formed after shape circuit communication（See Fig. 6）.Since the quantity of limbers 11 is odd number,
Limbers 11, the first arc groove 31, the second arc groove 41（See Fig. 6）The both ends of the chilled(cooling) water return (CWR) formed between three are not
Connection；Integrated setting has the water inlet interface 5 connected with one end of chilled(cooling) water return (CWR) on drive end bearing bracket 3, the one on rear end cap 4
Change the water outlet mouthpiece 6 for being provided with and being connected with the other end of chilled(cooling) water return (CWR).
As shown in Figure 1, being provided with radiator 7 in the side of housing 1, radiator 7 includes water inlet pipe 71, outlet pipe
72nd, suction pump 73 and collecting-tank 74, water inlet pipe 71 and outlet pipe 72 are plastic tube；Collecting-tank 74 is positioned over the side of housing 1,
Suction pump 73 is positioned in collecting-tank 74, and one end of water inlet pipe 71 is connected with the water outlet of suction pump 73 and the other end and drive end bearing bracket
Water inlet interface 5 on 3（See Fig. 3）It is connected；One end of outlet pipe 72 and the water outlet mouthpiece 6 on rear end cap 4（See Fig. 2）It is connected, and
The other end is immersed in collecting-tank 74.
As shown in figure 4, radiator 7 further includes multiple rows of radiating fin 75 being fixed on 1 side wall of housing, radiating fin 75
Length direction parallel to housing 1 length direction, and between adjacent heat radiation fin 75 formed with heat dissipation gap；In each heat dissipation
The one end of fin 75 away from housing 1 is fixed with two heat sinks 751 for increasing heat dissipation area, and two heat sinks 751 make to dissipate
The section of hot fin 75 is in " Y " font.The length direction along heat sink 751 is offered on the side wall of each heat sink 751
Equally distributed heat emission hole 752, the section of heat emission hole 752 is rounded, and the depth direction of heat emission hole 752 and heat sink 751
It is obliquely installed between the normal of side wall.
As shown in Figure 2 and Figure 6, radiator 7 further includes radiator shutter 76, and radiator shutter 76 1 shares six flabellums 761,
Six flabellums 761 are fixed in same connection ring 762, and connection ring 762 is in annular shape, and connection ring 762 is sheathed on rotor 2
Shaft is offered on one end of screw thread 21；Offered in connection ring 762 on the end face of 22 side of fixture block for supplying fixture block 22
Embedded card slot 8, when radiator shutter 76 is sheathed in the shaft of rotor 2, fixture block 22 is embedded in card slot 8.
Fixing sleeve 9 is also threaded with the shaft of rotor 2, fixing sleeve 9 also passes through solid in annular shape, radiator shutter 76
Surely set 9 is fixed in the shaft of rotor 2, and is offered on the circumferential side wall of fixing sleeve 9 for conveniently twisting the recessed of fixing sleeve 9
Groove 10.
Specific implementation process：During electric motor starting, rotor 2 can produce rotation, the band during rotor 2 rotates
Dynamic radiator shutter 76 rotates, and radiator shutter 76 can produce wind during rotation, and wind is to the heat dissipation on housing 1 and housing 1
During fin 75, the heat on housing 1 can be taken away, so as to play the role of tentatively radiating to housing 1；When dissipating for radiator shutter 76
When the thermal efficiency is inadequate, start suction pump 73, the cooling water in collecting-tank 74 is pumped into housing 1, drive end bearing bracket 3 and rear end by suction pump 73
, can be by housing 1 during cooling water flows through chilled(cooling) water return (CWR) in the chilled(cooling) water return (CWR) formed between 4 three of lid
Heat is taken away, so as to reach to electric motor temperature reduction, motor is not allowed the purpose of easy burn-out.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Claims (9)
1. a kind of double-speed motor, including housing (1), rotor (2), drive end bearing bracket (3) and rear end cap (4), it is characterised in that：The shell
Limbers (11) of multiple length directions parallel to the length direction of the housing (1), institute are offered on the end face of body (1) side
It is multiple for making the two neighboring limbers (11) even with being offered on the end face of the housing (1) conflict to state drive end bearing bracket (3)
First arc groove (31) in U-shaped circuit is formed after logical, is offered on the end face that the rear end cap (4) contradicts with the housing (1)
For the second arc groove (41) for making to form chilled(cooling) water return (CWR) after two neighboring U-shaped circuit communication, set on the drive end bearing bracket (3)
There are the water inlet interface (5) connected by first arc groove (31) with one end of the chilled(cooling) water return (CWR), the rear end cap (4)
On be provided with the water outlet mouthpiece (6) that second arc groove (41) connects with the other end of the chilled(cooling) water return (CWR), in institute
The side for stating housing (1) is provided with radiator (7) for making cooling water be circulated in the chilled(cooling) water return (CWR).
A kind of 2. double-speed motor according to claim 1, it is characterised in that：The radiator (7) includes water inlet pipe
(71), outlet pipe (72), suction pump (73) and collecting-tank (74), the collecting-tank (74) are positioned over the side of the housing (1),
One end of the water inlet pipe (71) is connected with the water inlet interface (5) and the other end is connected with the suction pump (73), the pumping
Water pump (73) is positioned in the collecting-tank (74), and one end of the outlet pipe (72) is connected and separately with the water outlet mouthpiece (6)
One end is immersed in the collecting-tank (74).
A kind of 3. double-speed motor according to claim 1, it is characterised in that：The radiator (7) further includes multiple rows of solid
Radiating fin (75) on the housing (1) side wall, formed with heat dissipation gap between the adjacent radiating fin (75).
A kind of 4. double-speed motor according to claim 3, it is characterised in that：The radiating fin (75) is away from the housing
(1) one end is fixed with the heat sink (751) for increasing heat dissipation area.
A kind of 5. double-speed motor according to claim 4, it is characterised in that：On the side wall of each heat sink (751)
Offer heat emission hole (752).
A kind of 6. double-speed motor according to claim 5, it is characterised in that：The heat emission hole (752) is uniformly distributed in institute
State on heat sink (751) and handed between the normal of the side wall of the depth direction of the heat emission hole (752) and the heat sink (751)
Fork is set.
A kind of 7. double-speed motor according to claim 1, it is characterised in that：The radiator (7), which further includes, is fixed on
Radiator shutter (76) in the shaft of the rotor (2).
A kind of 8. double-speed motor according to claim 7, it is characterised in that：It is solid on the side wall of the shaft of the rotor (2)
Surely there is fixture block (22), offered in the connection ring (762) of the radiator shutter (76) for for the embedded card of the fixture block (22)
Groove (8), and be threadedly coupled in the shaft of the rotor (2) and be useful for the radiator shutter (76) being fixed on the rotor
(2) fixing sleeve (9) in shaft, the radiator shutter (76) between the fixing sleeve (9) and the fixture block (22), when
When the radiator shutter is socketed in the shaft of the rotor (2), in the embedded card slot (8) of the fixture block (22).
A kind of 9. double-speed motor according to claim 1, it is characterised in that：The housing (1) is located at the limbers
(11) it is provided with the side wall in for increasing housing (1) and the contact chip (12) of cooling water contact area, the contact chip
(12) length direction of the length direction parallel to the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286712.XU CN207321017U (en) | 2017-09-30 | 2017-09-30 | A kind of double-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286712.XU CN207321017U (en) | 2017-09-30 | 2017-09-30 | A kind of double-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207321017U true CN207321017U (en) | 2018-05-04 |
Family
ID=62429248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721286712.XU Active CN207321017U (en) | 2017-09-30 | 2017-09-30 | A kind of double-speed motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN207321017U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418350A (en) * | 2018-06-05 | 2018-08-17 | 江苏韵凯新能源科技有限公司 | A kind of efficient radiating apparatus for Hybrid stepping motor |
| CN108566024A (en) * | 2018-05-21 | 2018-09-21 | 王浩 | A kind of new-energy automobile motor based on phase change radiator structure |
| CN108574381A (en) * | 2018-05-21 | 2018-09-25 | 王浩 | A kind of maintenance process of new-energy automobile motor |
| CN109599980A (en) * | 2018-11-10 | 2019-04-09 | 彭青珍 | A kind of cooling system of motor |
| CN109962593A (en) * | 2019-03-29 | 2019-07-02 | 谢凯 | A kind of bimorph transducer formula rare-earth permanent magnet motor |
| CN110224535A (en) * | 2019-07-06 | 2019-09-10 | 陈路阳 | A kind of combined motor |
| CN110318994A (en) * | 2019-07-09 | 2019-10-11 | 海环科技集团股份有限公司 | A kind of supercharging device for landfill leachate treatment |
| CN110707859A (en) * | 2019-09-30 | 2020-01-17 | 荣成市恒力电机有限公司 | Explosion-proof motor that security performance is high |
| CN110971081A (en) * | 2019-12-18 | 2020-04-07 | 安徽德科电气科技有限公司 | Permanent magnet generator special for irrigation |
| CN111064306A (en) * | 2019-12-30 | 2020-04-24 | 河南师范大学 | Universal cooling machine shell |
| CN111969768A (en) * | 2020-08-26 | 2020-11-20 | 六安华科电机有限公司 | Three-phase motor with heat abstractor |
| CN112366881A (en) * | 2020-10-14 | 2021-02-12 | 杭州乔纳森机电科技有限公司 | Internal circulation heat dissipation constant temperature motor casing and motor with same |
| CN112838704A (en) * | 2020-12-30 | 2021-05-25 | 徐州南普机电科技有限公司 | High heat dispersion motor |
| CN114679012A (en) * | 2022-03-18 | 2022-06-28 | 浙江强速电动机制造有限公司 | Space negative pressure heat dissipation motor |
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2017
- 2017-09-30 CN CN201721286712.XU patent/CN207321017U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566024A (en) * | 2018-05-21 | 2018-09-21 | 王浩 | A kind of new-energy automobile motor based on phase change radiator structure |
| CN108574381A (en) * | 2018-05-21 | 2018-09-25 | 王浩 | A kind of maintenance process of new-energy automobile motor |
| CN108418350A (en) * | 2018-06-05 | 2018-08-17 | 江苏韵凯新能源科技有限公司 | A kind of efficient radiating apparatus for Hybrid stepping motor |
| CN109599980B (en) * | 2018-11-10 | 2020-10-09 | 温岭市奇新车业有限公司 | Cooling system of motor |
| CN109599980A (en) * | 2018-11-10 | 2019-04-09 | 彭青珍 | A kind of cooling system of motor |
| CN109962593A (en) * | 2019-03-29 | 2019-07-02 | 谢凯 | A kind of bimorph transducer formula rare-earth permanent magnet motor |
| CN110224535A (en) * | 2019-07-06 | 2019-09-10 | 陈路阳 | A kind of combined motor |
| CN110318994A (en) * | 2019-07-09 | 2019-10-11 | 海环科技集团股份有限公司 | A kind of supercharging device for landfill leachate treatment |
| CN110707859A (en) * | 2019-09-30 | 2020-01-17 | 荣成市恒力电机有限公司 | Explosion-proof motor that security performance is high |
| CN110971081A (en) * | 2019-12-18 | 2020-04-07 | 安徽德科电气科技有限公司 | Permanent magnet generator special for irrigation |
| CN111064306A (en) * | 2019-12-30 | 2020-04-24 | 河南师范大学 | Universal cooling machine shell |
| CN111969768A (en) * | 2020-08-26 | 2020-11-20 | 六安华科电机有限公司 | Three-phase motor with heat abstractor |
| CN112366881A (en) * | 2020-10-14 | 2021-02-12 | 杭州乔纳森机电科技有限公司 | Internal circulation heat dissipation constant temperature motor casing and motor with same |
| CN112838704A (en) * | 2020-12-30 | 2021-05-25 | 徐州南普机电科技有限公司 | High heat dispersion motor |
| CN114679012A (en) * | 2022-03-18 | 2022-06-28 | 浙江强速电动机制造有限公司 | Space negative pressure heat dissipation motor |
| CN114679012B (en) * | 2022-03-18 | 2023-07-21 | 浙江强速电动机制造有限公司 | Space negative pressure heat dissipation motor |
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