CN107634611A - Motor with novel cooling structure and include its fluid machinery - Google Patents
Motor with novel cooling structure and include its fluid machinery Download PDFInfo
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- CN107634611A CN107634611A CN201710973105.9A CN201710973105A CN107634611A CN 107634611 A CN107634611 A CN 107634611A CN 201710973105 A CN201710973105 A CN 201710973105A CN 107634611 A CN107634611 A CN 107634611A
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- radiator fan
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- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 239000012530 fluid Substances 0.000 title claims abstract description 33
- 238000004804 winding Methods 0.000 claims abstract description 6
- 239000011888 foil Substances 0.000 claims description 48
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 4
- 230000003137 locomotive effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008111 motor development Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a kind of motor with novel cooling structure.The motor includes rotor, Stator and electrical machine shell with winding, radiator fan is installed on rotor on the outside of one end of motor, described stator is fixedly connected on motor casing, stator, the first cavity is formed between the motor end of motor casing and close radiator fan, described stator, another of motor casing and motor form the second cavity between end, connected between described the first cavity and the second cavity by the air gap between stator and rotor, some air inlets are offered on the first described cavity and the motor casing of the second chamber portion, gas outlet is offered on the motor end of radiator fan.It is the characteristics of making full use of fluid machines to suck extraneous gas in itself, simple in construction directly using sucking gas cooling electrical components in the case where not increasing cooling structure, improve reliability.
Description
Technical field
The present invention relates to motor cooling technology field, and in particular to a kind of motor with novel cooling structure, further relates to
Above-mentioned motor-driven fluid machinery.
Background technology
Motor can produce certain heat in the process of work, and only good radiating, motor could normal work.If
Radiating is not smooth, and the heat gathered exceedes stator and rotor ability to bear, then the catastrophic failure for burning motor occurs.Therefore,
In motor development and production process, radiating is all very important.
For the larger fluid machinery for needing long-term stable operation, the cooling of frequency converter and motor is to have to very
The something paid attention to.If cooling system goes wrong, can greatly shorten service life of equipment possibly even causes equipment moment
Damage.How mechanical constant problem that motor be direct-drive type impeller is cooled down., can for the fluid machinery of conventional single impeller
Not install the other end of impeller installation fan in motor, either increase special water cooling or air cooling mechanism and motor is carried out
Cooling.And usually used special, it is necessary in the case of all installing impeller at motor both ends for the incompetent fluid machinery of single impeller
What the water cooling or air cooling mechanism of door were cooled down to motor.Structure is extremely complex in general, once cooling system is asked
Topic, can bring the catastrophic failure for burning motor.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided one kind has new cold
But the motor of structure.
The technical solution adopted by the present invention is, there is provided a kind of motor with novel cooling structure, including rotor, tool
There is a Stator and electrical machine shell of winding, radiator fan is installed on the rotor on the outside of an end of motor, stator is fixedly connected on
On motor casing, the first cavity, stator, motor casing and electricity are formed between the motor end of stator, motor casing and close radiator fan
The second cavity is formed between another end of machine, passes through the air gap between stator and rotor between the first cavity and the second cavity
Some air inlets are offered on the motor casing of connection, the first cavity and the second chamber portion, close to the motor side of radiator fan
Gas outlet is offered in portion.
In above-mentioned technical scheme, during motor works, radiator fan rotates, and drives cold in external environment
But medium air is entered the first cavity and the second cavity of motor internal by air inlet, and the air in the second cavity can be along fixed
Air gap between son and rotor is entered in the first cavity, is then discharged by gas outlet, so as to realize air constantly from entering
Gas port sucks, and is constantly excluded from gas outlet, so as to realize the cooling for high-speed electric expreess locomotive.
Preferably, the quantity of air inlet is two, is separately positioned on the electricity with the second cavity on the motor casing of the first cavity
On casing.
Further, gas channel is provided with the outside of stator.Gas channel can further expand the gas of motor internal
Circulation route is flowed, improves cooling effectiveness.
As a kind of preferable scheme, gas channel is opened on motor casing.
As another preferable scheme, gas channel is opened on stator.
The present invention also discloses the fluid machinery for including the above-mentioned motor with novel cooling structure accordingly, including
Impeller, the first spiral case and the motor provided by the invention with novel cooling structure, motor are used to drive fluid machinery, the first snail
Shell is arranged on the end opposite end that motor sets radiator fan.Specifically, fluid machinery is ventilation blower, air blower or compressor.
Further, fluid machinery also includes the second spiral case, and the second spiral case is arranged on the side that motor sets radiator fan.
Further, it is located between motor and the second spiral case formed with the 3rd cavity, radiator fan in the 3rd cavity, the 3rd
Cavity is connected by gas outlet with the first cavity, and the 3rd cavity is connected by outlet of radiating with outside air.
Further, the both ends of rotor and motor are connected by self-acting air bearing.
Further, self-acting air bearing include ecto-entad sequentially coaxially set bearing holder (housing, cover), elastic bearing paillon foil and
Top foil, the circumferencial direction separate type of elastic bearing paillon foil and top foil along bearing holder (housing, cover) are provided with multigroup, every group of top layer paper tinsel
One end of piece and elastic bearing paillon foil is connected with each other and is fixed on by the end on bearing holder (housing, cover), and the other end is along bearing holder (housing, cover) inner peripheral wall
Extension forms free end, and adjacent two groups are left space between top foil and elastic bearing paillon foil.In specific work process,
Air film is formed between rotor and top foil and applies pressure to top foil, top foil oppresses elastic bearing paper tinsel after being pressurized
Elastic deformation occurs for piece, forms the bearing capacity for rotor, uses separate type to set elastic bearing paillon foil and top layer in this programme
Paillon foil, space can receive a certain degree of amount of elastic deformation between two adjacent groups elastic bearing paillon foil and top foil, can increase
Large bearing capacity, and separate type is arranged on after partial elastic support paillon foil or top foil damage only need more undamaged portion,
Integral replacing is not needed, saves cost, the bulk life time of extension device.
Using above-mentioned technical proposal, including following advantageous effects：It is fully sharp in the case where not increasing cooling structure
The characteristics of sucking extraneous gas in itself with fluid machines, directly utilize and suck gas cooling electrical components, it is simple in construction, carry
High reliability.For the fluid machinery of both ends impeller, equally in the case where not increasing extra cooling body, cooling is realized.
Realizing conventional fluid machinery needs specially to cool down the function that could be realized.All coolings are all completed on a rotor, no
Need extra water cooling or air cooling mechanism.The complexity of whole system can be reduced, reduces volume, simplify structure, maintenance cost
The features such as low, easy to operate, there is great promotional value.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present invention；
Fig. 2 is the structural representation of another embodiment in the present invention；
Fig. 3 is a kind of structural representation of embodiment of self-acting air bearing in the present invention；
Fig. 4 is self-acting air bearing another embodiment structural representation in the present invention；
In figure,
1st, rotor；2nd, winding；3rd, stator；4th, motor casing；5th, radiator fan；6th, the first cavity；7th, the second cavity；8th, gas
Gap；9th, air inlet；10th, gas outlet；11st, gas channel；12nd, impeller；13rd, the first spiral case；14th, the 3rd cavity；15th, radiate
Mouthful；16th, self-acting air bearing；161st, bearing holder (housing, cover)；162nd, elastic bearing paillon foil；163rd, top foil；164th, space；17th, second
Spiral case.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention
Part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, belongs to the scope of protection of the invention.
In the present invention, term " on ", " under ", "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outer ",
" in ", " vertical ", " level ", " transverse direction ", the orientation of the instruction such as " longitudinal direction " or position relationship be based on orientation shown in the drawings or
Position relationship.These terms are not intended to limit indicated dress primarily to preferably the description present invention and embodiment
Put, element or part there must be particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or annexation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being provided with ", " connection ", " connected " " socket " should be interpreted broadly.For example, can
To be to be fixedly connected, it is detachably connected, or monolithic construction；Can mechanically connect, or electrical connection；Can be joined directly together,
Either it is indirectly connected by intermediary, or is connection internal between two devices, element or parts.For
For those of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Unless otherwise indicated, the implication of " multiple " is two or more.
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.Fig. 1~Fig. 3 is provided
The embodiment of the present invention.
Embodiment 1
As shown in figure 1, a kind of motor with novel cooling structure, including rotor 1, the stator 3 and motor with winding 2
Shell 4, radiator fan 5 being installed on the rotor on the outside of an end of motor, stator 3 is fixedly connected on motor casing 4, stator 3,
Motor casing 4 and form the first cavity 6 between the motor end of radiator fan 5, stator 3, motor casing 4 and motor another
The second cavity 7 is formed between end, is connected between the first cavity 6 and the second cavity 7 by the air gap 8 between stator 3 and rotor 1
It is logical, some air inlets 9 are offered on the motor casing of the first cavity 6 and the part of the second cavity 7, close to the motor of radiator fan 5
Gas outlet 10 is offered on end.
In the above-described embodiment, during motor works, radiator fan rotates, and drives cold in external environment
But medium air is entered the first cavity and the second cavity of motor internal by air inlet, and the air in the second cavity can be along fixed
Air gap between son and rotor is entered in the first cavity, is then discharged by gas outlet, so as to realize that Cryogenic air is continuous
Sucked from air inlet, high temperature air constantly excludes from gas outlet, so as to realize the cooling for high-speed electric expreess locomotive.The flowing of medium
Direction and path are as shown by the arrows in Figure 1.
Specifically, the quantity of air inlet 9 is two, it is separately positioned on the motor casing of the first cavity 6 and the second cavity 7
On motor casing.
Specifically, the motor in the present embodiment is used to drive fluid machinery, fluid machinery includes but is not limited to ventilation blower, drum
Blower fan and compressor.Medium in compressor operation can be air, freon or HFA 134a, go back certainly
Can be other similar refrigerants or working medium.
As shown in figure 1, fluid machinery includes impeller 12, the first spiral case 13 and the above-mentioned electricity with novel cooling structure
Machine, motor are used to drive fluid machinery, and the first spiral case 13 is arranged on the end opposite end that motor sets radiator fan 5.The implementation
Mode only sets spiral case in motor side, it is possible to achieve single spiral case compression.
As shown in figure 1, fluid machinery also includes the second spiral case 17, the second spiral case is arranged on motor and sets radiator fan 5
Side.
It is located between motor and the second spiral case 17 formed with the 3rd cavity 14, radiator fan 5 in the 3rd cavity 14, the 3rd is empty
Chamber 14 is connected by gas outlet 10 with the first cavity 6, and the 3rd cavity 14 is connected by outlet 15 of radiating with outside air.The implementation
Mode sets spiral case in the both sides of motor, it is possible to achieve double volute compresses.
Embodiment 2
As shown in Fig. 2 a kind of motor with novel cooling structure, including rotor 1, the stator 3 and motor with winding 2
Shell 4, radiator fan 5 being installed on the rotor on the outside of an end of motor, stator 3 is fixedly connected on motor casing 4, stator 3,
Motor casing 4 and form the first cavity 6 between the motor end of radiator fan 5, stator 3, motor casing 4 and motor another
The second cavity 7 is formed between end, is connected between the first cavity 6 and the second cavity 7 by the air gap 8 between stator 3 and rotor 1
It is logical, some air inlets 9 are offered on the motor casing of the first cavity 6 and the part of the second cavity 7, close to the motor of radiator fan 5
Gas outlet 10 is offered on end, the outside of stator 3 is provided with gas channel 11, for connecting the first cavity 6 and the second cavity
7.Specifically, gas channel 11 can be opened on motor casing 4, can also be opened on stator 3.
In the above-described embodiment, during motor works, radiator fan rotates, and drives cold in external environment
But medium air is entered the first cavity and the second cavity of motor internal by air inlet, and the air in the second cavity can be along fixed
Air gap and gas channel between son and rotor are entered in the first cavity, are then discharged by gas outlet, so as to realize
Cryogenic air constantly sucks from air inlet, and high temperature air constantly excludes from gas outlet, so as to realize for the cold of high-speed electric expreess locomotive
But.The flow direction and path of medium are as shown by the arrows in Figure 2.
Specifically, the quantity of air inlet is two, the electricity with the second cavity on the motor casing of the first cavity is separately positioned on
On casing.
Specifically, the motor in the present embodiment is used to drive fluid machinery, fluid machinery includes but is not limited to ventilation blower, drum
Blower fan and compressor.
As shown in figure 1, fluid machinery includes impeller 12, the first spiral case 13 and the above-mentioned electricity with novel cooling structure
Machine, motor are used to drive fluid machinery, and the first spiral case 13 is arranged on the end opposite end that motor sets radiator fan 5.The implementation
Mode only sets spiral case in motor side, it is possible to achieve single spiral case compression.
As shown in Fig. 2 fluid machinery also includes the second spiral case 17, the second spiral case 17 is arranged on motor and sets radiator fan 5
Side.
It is located between motor and the second spiral case 17 formed with the 3rd cavity 14, radiator fan 5 in the 3rd cavity 14, the 3rd is empty
Chamber 14 is connected by gas outlet 10 with the first cavity 6, and the 3rd cavity 14 is connected by outlet 15 of radiating with outside air.The implementation
Mode sets spiral case in the both sides of motor, it is possible to achieve double volute compresses.
Embodiment 3：
The present embodiment is the further optimization on the basis of embodiment 1 or embodiment 2, and distinctive points are, in embodiment 1
Or on the basis of 2, the present embodiment also includes the following features：
Rotor 1 is connected with the both ends of motor by self-acting air bearing.The concrete structure of above-mentioned self-acting air bearing can
With as shown in figure 3, self-acting air bearing includes 161 sets of bearing, the and of elastic bearing paillon foil 162 that ecto-entad is sequentially coaxially set
Top foil 163, the circumferencial direction separate type of elastic bearing paillon foil 162 and top foil 163 along bearing holder (housing, cover) 161 are provided with more
One end of group, every group of top foil 163 and elastic bearing paillon foil 162 is connected with each other and is fixed on by the end on bearing holder (housing, cover) 161,
The other end extends to form free end along the inner peripheral wall of bearing holder (housing, cover) 161, adjacent two groups of top foils 163 and elastic bearing paillon foil
Space 164 is left between 162.
Air film is formed in specific work process, between rotor 1 and top foil 163 and top foil 163 is applied
Pressure, top foil 163 oppress elastic bearing paillon foil 162 after being pressurized and elastic deformation occur, and form the bearing capacity for rotor 1,
Elastic bearing paillon foil 162 and top foil 163, the He of two adjacent groups elastic bearing paillon foil 162 are set using separate type in this programme
Space 164 can receive a certain degree of amount of elastic deformation between top foil 163, it is possible to increase bearing capacity, and separate type is set
Put only needs more undamaged portion after partial elastic supports paillon foil or top foil damage, it is not necessary to integral replacing, saves into
This, the bulk life time of extension device.In figure 3, elastic bearing paillon foil 2 and top foil 3 are provided with altogether 3 groups, are only used as and show
Meaning is used, and the present invention is not intended to limit its quantity.
Embodiment 4：
On the basis of embodiment 3, as shown in figure 4, elastic bearing paillon foil 162 and top foil 163 be arranged alternately it is more
Layer.The bearing capacity of bearing can be further enhanced.In Fig. 4, elastic bearing paillon foil 162 and top foil 163 are respectively arranged
Two layers, only it is used as signal, the present invention is not intended to limit its quantity.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of motor with novel cooling structure, including rotor (1), the stator (3) and motor casing (4) with winding (2),
Characterized in that, being provided with radiator fan (5) on the rotor (1) on the outside of an end of motor, the stator (3) is fixed
Be connected on the motor casing, the stator (3), the motor casing (4) with close to the radiator fan (5) motor end it
Between form the first cavity (6), form second between another end of the stator (3), the motor casing (4) and the motor
Cavity (7), pass through the gas between the stator (3) and the rotor (1) between first cavity (6) and second cavity
Gap (8) is connected, and some air inlets are offered on the motor casing (4) of first cavity (6) and second chamber portion
Mouth (9), gas outlet (10) is offered on the motor end of the radiator fan (5).
2. the motor according to claim 1 with novel cooling structure, it is characterised in that the number of the air inlet (9)
Measure for two, be separately positioned on the motor casing of first cavity (6) and the motor casing of second cavity (6) on.
3. the motor according to claim 1 with novel cooling structure, it is characterised in that the outside of the stator (3)
It is provided with gas channel (11).
4. the motor according to claim 3 with novel cooling structure, it is characterised in that the gas channel (11) is opened
It is located on the motor casing (4) and/or the stator (3).
5. a kind of fluid machinery, it is characterised in that including any one of impeller (12), the first spiral case (13) and Claims 1-4
The described motor with novel cooling structure, the motor are used to drive the fluid machinery, and first spiral case (13) sets
Put the end opposite end that the radiator fan (5) is set in the motor.
6. fluid machinery according to claim 5, it is characterised in that the fluid machinery is ventilation blower, air blower or pressure
Contracting machine.
7. fluid machinery according to claim 5, it is characterised in that the fluid machinery also includes the second spiral case (17),
Second spiral case (17) is arranged on the side that the motor sets the radiator fan (5).
8. fluid machinery according to claim 7, it is characterised in that shape between the motor and second spiral case (17)
The cavitys of Cheng You tri- (14), the radiator fan (5) are located in the 3rd cavity (14), and the 3rd cavity (14) passes through institute
State gas outlet (10) to connect with first cavity (6), the 3rd cavity (14) exports (15) and the external world by the radiating
Air communication.
9. fluid machinery according to claim 8, it is characterised in that the both ends of described rotor (1) and the motor lead to
Cross self-acting air bearing (16) connection.
10. fluid machinery according to claim 8, it is characterised in that described self-acting air bearing (16) is included by outer
Bearing holder (housing, cover) (161), elastic bearing paillon foil (162) and the top foil (163) inwardly sequentially coaxially set, the elastic bearing paper tinsel
The circumferencial direction separate type of piece (162) and top foil (163) along bearing holder (housing, cover) (161) is provided with multigroup, every group of top layer paper tinsel
One end of piece (163) and elastic bearing paillon foil (162) is connected with each other and is fixed on by the end on the bearing holder (housing, cover) (161), separately
One end extends to form free end along the bearing holder (housing, cover) (161) inner peripheral wall, adjacent two groups of top foils (163) and elastic bearing
Space (164) is left between paillon foil (162).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710973105.9A CN107634611A (en) | 2017-10-18 | 2017-10-18 | Motor with novel cooling structure and include its fluid machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710973105.9A CN107634611A (en) | 2017-10-18 | 2017-10-18 | Motor with novel cooling structure and include its fluid machinery |
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| Publication Number | Publication Date |
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| CN107634611A true CN107634611A (en) | 2018-01-26 |
Family
ID=61104725
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710973105.9A Pending CN107634611A (en) | 2017-10-18 | 2017-10-18 | Motor with novel cooling structure and include its fluid machinery |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404339A (en) * | 2018-12-18 | 2019-03-01 | 南京磁谷科技有限公司 | A kind of spiral case component for the straight drive centrifugal fan of high speed electricity |
| WO2020134517A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Compressor |
| CN111490635A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Motor cooling system of centrifugal refrigeration compressor and centrifugal refrigeration compressor |
| CN111486105A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Centrifugal compressor and heat pump system |
| CN111486112A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Magnetic suspension centrifugal compressor and air conditioning system |
| WO2021114489A1 (en) * | 2019-12-11 | 2021-06-17 | 南京磁谷科技股份有限公司 | Radial magnetic bearing and stator independent air cooling structure for centrifugal compressor |
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| CN109404339B (en) * | 2018-12-18 | 2023-09-22 | 南京磁谷科技有限公司 | Volute assembly for high-speed electric direct-drive centrifugal fan |
| WO2020134517A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Compressor |
| CN111490635A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Motor cooling system of centrifugal refrigeration compressor and centrifugal refrigeration compressor |
| CN111486105A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Centrifugal compressor and heat pump system |
| CN111486112A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Magnetic suspension centrifugal compressor and air conditioning system |
| WO2021114489A1 (en) * | 2019-12-11 | 2021-06-17 | 南京磁谷科技股份有限公司 | Radial magnetic bearing and stator independent air cooling structure for centrifugal compressor |
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