CN201868978U - Self-ventilation electrical machine - Google Patents
Self-ventilation electrical machine Download PDFInfo
- Publication number
- CN201868978U CN201868978U CN2010206086380U CN201020608638U CN201868978U CN 201868978 U CN201868978 U CN 201868978U CN 2010206086380 U CN2010206086380 U CN 2010206086380U CN 201020608638 U CN201020608638 U CN 201020608638U CN 201868978 U CN201868978 U CN 201868978U
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- Prior art keywords
- self
- fan
- air inlet
- end cap
- wind
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- 238000009423 ventilation Methods 0.000 title abstract description 10
- 210000003205 muscle Anatomy 0.000 claims description 12
- 230000009753 muscle formation Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 39
- 239000000428 dust Substances 0.000 abstract description 22
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a self-ventilation electrical machine, comprising a shell. A rotor and a stator are arranged in an internal chamber enclosed by the shell; the shell is provided with an open type driving end; an end cover is arranged at the driving end and is fixedly connected with the shell so as to close the driving end; an air inlet is arranged on the end cover, and a dust discharge port is arranged at the lower part of the end cover; the shell is provided with a closed non-drive end; and an air outlet is arranged on the shell and is communicated with the air inlet. For the self-ventilation electrical machine, as an air baffle and the dust discharge port are arranged on the end cover of the electrical machine, the problem of poor dust discharge effect of the electrical machine is solved, and impurities in cooling air of the electrical machine can be effectively discharged, thus achieving the aim of purifying the cooling air.
Description
Technical field
The utility model relates to motor technology, particularly a kind of self-ventilated machine.
Background technology
At present, the simple to operation and little advantage that takes up space is subjected to motor user's favor to the self-ventilation type of cooling with it, and self-ventilated machine has obtained widespread usage.Because machine operation circumstance complication, often contain more impurity such as granule dust in the self-ventilation type of cooling in the employed cooling air, and machine operation is had relatively high expectations for filter dirt, therefore, self-ventilated machine needs the problem of considering that the contaminant filter in the cooling air is discharged in structured design process.Self-ventilated machine used in the prior art adopts mostly at motor air inlet place the dust filter is installed, and enters the quantity of the big dust that influences motor rotation entrained in the cooling air of motor with minimizing.
But, there is following technological deficiency in above-mentioned prior art: the self-ventilated machine structure that the dust filter is installed at air inlet, the parts of motor have not only been increased, and its dustproof effect is subjected to the restriction of dirt filtrating screen design, when motor application is in many dust atmospheres, along with constantly entering of cooling air, can't avoid a large amount of fine dust to enter the motor ventilation system; A large amount of dusts are piled up at motor internal, will influence the cooling air duct of motor in the course of time, reduce the cooling effect of motor, and then influence electric machine temperature rise and motor performance, and make the workload of maintenance of motor and work difficulty strengthen.
The utility model content
The purpose of this utility model provides a kind of self-ventilated machine, to solve the problem of motor dust discharge weak effect, realizes effectively discharging the impurity in the motor cooling air, reaches the purpose that purifies cooling air.
The utility model provides a kind of self-ventilated machine, comprises casing, is provided with rotor and stator in the internal chamber that described casing surrounds; The driving end of described casing is an open type, and an end cap is arranged on described driving end and fixedlys connected so that described driving end is sealed with described casing, and described end cap is provided with air inlet, and the bottom of described end cap is provided with dust-exhausting port; The non-transmision end of described casing is closed, and described casing is provided with air outlet, and described air inlet communicates with described air outlet.
Aforesaid self-ventilated machine, the air inlet outside on the described end cap also is provided with windshield plate, and described windshield plate is provided with along the air intake direction.
Aforesaid self-ventilated machine, described windshield plate are fixed on the air inlet outside of described end cap or are shaped in the air inlet outside of end cap with described end cap.
Aforesaid self-ventilated machine is equipped with first fan on the described rotor, the contiguous described air inlet setting of described first fan.
Aforesaid self-ventilated machine also is equipped with second fan on the described rotor, the contiguous described air outlet setting of described second fan.
Aforesaid self-ventilated machine, described first fan or second fan are centrifugal fan.
Aforesaid self-ventilated machine, also be provided with the muscle that keeps out the wind in the internal chamber of the non-transmision end of described casing, one end of the described muscle that keeps out the wind and described second fan offset, and the end face housing of the other end of the described muscle that keeps out the wind and described non-transmision end offsets and makes described the keep out the wind face of muscle formation towards air outlet that keep out the wind.
Self-ventilated machine of the present utility model by windshield plate and dust-exhausting port etc. are set, has solved the problem of motor dust discharge weak effect on electric motor end cap, effectively discharged the impurity in the motor cooling air, has reached the purpose that purifies cooling air.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model self-ventilated machine embodiment.
Description of reference numerals:
The 11-casing; The 12-rotor; The 13-stator;
The 14-end cap; The 15-air inlet; The 16-air outlet;
The 17-dust-exhausting port; The 18-windshield plate; 19-first fan;
20-second fan; The 21-muscle that keeps out the wind; The 22-winding;
23-rotor ventilation hole; 24-stator ventilation slot and air-gap.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing among this practical embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
Fig. 1 is the structural representation of the utility model self-ventilated machine embodiment, and as shown in Figure 1, the self-ventilated machine of present embodiment can comprise casing 11, rotor 12 and stator 13, and wherein, rotor 12 and stator 13 are arranged in the internal chamber that casing 11 surrounds.One end opening of this casing 11, other end sealing; One end of opening is a driving end, and an end of sealing is a non-transmision end.
Be provided with end cap 14 at driving end, this end cap 14 is fixedlyed connected with casing 11, with the closure of openings of this driving end.This end cap 14 is provided with air inlet 15, and as shown in Fig. 1, air inlet 15 is distributed in end cap 14 zone around central shaft, is used for the internal chamber that the self cooled cooling air of motor can directly enter motor by this air inlet 15.The casing 11 of non-transmision end is provided with air outlet 16, this air outlet 16 communicates with air inlet 15, after cooling air enters internal chamber by air inlet 15, the rotor of this chamber interior of flowing through, stator etc., internal work parts to motor cool off, take away heat, the cooling air of heat absorption then can be discharged motor by air outlet 16.
In the present embodiment,, be provided with dust-exhausting port 17 in the bottom of end cap 14 referring to Fig. 1, this dust-exhausting port 17 effectively dust discharge is set.Concrete, enter cooling air in the motor by the air inlet among Fig. 1 15, rise thereon in the process, impurity such as airborne particulate are after being stopped by the top inner wall of end cap 14, can assemble along end cap 14 inwalls under the effect of self gravitation, the dust-exhausting port 17 that drops to end cap 14 bottoms is discharged.Thereby can effectively get rid of the foreign material that contain in the cooling air, purify cooling air, avoid the motor internal dust accretions and influence motor performance, and reduce the maintenance cost of motor and the difficulty of the inner dust of cleaning.
In the present embodiment, the outside of the air inlet 15 on the end cap 14 can also be provided with windshield plate 18, and this windshield plate 18 can be provided with along the air intake direction.For example, can be referring to Fig. 1, windshield plate 18 is arranged on the outside of air inlet 15, and it can stop that the impurity on top enters the air inlet 15 on top with the wind, can stop also that perhaps the impurity of bottom enters the air inlet 15 of bottom with the wind.Windshield plate 18 can be used as the first order of motor cooling air duct and filters protection, stops extraneous bigger particle, and as stone, brick and tile sheet etc. enter motor internal, avoid stopping up wind path.In concrete enforcement, this windshield plate 18 can with end cap 14 split manufacturings, link together again; Perhaps also windshield plate 18 and end cap 14 can be made of one formula (one-body molded).
In the present embodiment, in the internal chamber of this motor, first fan 19 is installed on the rotor of driving end, these first fan, 19 contiguous air inlets 15 are provided with, and cooling air can be sucked in the motor.Second fan 20 also is installed on the rotor of non-transmision end, and these second fan, 20 contiguous air outlets 16 are provided with, and can provide power for the cooling air output motor.Above-mentioned first fan 19 and second fan 20 can be centrifugal fan.
In the present embodiment, can also be provided with the muscle 21 that keeps out the wind in the internal chamber of non-transmision end, one end of this muscle 21 that keeps out the wind and second fan 20 offset, and the other end of the described muscle 21 that keeps out the wind and the end face housing of non-transmision end offset, and this end face can be the face relative with end cap 14.Through above-mentioned setting, the muscle 21 that keeps out the wind can become the face of keeping out the wind towards the one side of air outlet 16, is beneficial to accelerate the circulation of cooling air at motor internal, optimizes cooling effect.
The course of work of the self-ventilated machine of present embodiment below is described: windshield plate 18 filters protection as the first order, can satisfy the degree of protection design of customer requirements, stops the bigger particle in the external world; as stone; brick and tile sheets etc. enter motor internal, avoid stopping up wind path.When motor inserts specified three-phase alternating-current supply, rotor 12 rotations of the rotating magnetic field drive motors that produces, drive is installed in first fan, 19 rotations on the rotor, the cooling air that will filter through windshield plate 18 sucks motors by the air inlet 15 of driving end, after cooling air enters motor, be subjected to stopping of end cap 14 inwalls, impurity such as particulate wherein can be assembled along the end cap inwall, and under action of gravity, be slipped to dust-exhausting port 17 places, effectively the impurity in the cooling air is discharged from dust-exhausting port 17.The cooling air that process purifies is along the cooling air duct shown in the arrow among Fig. 1, take away the motor internal heat through winding 22, rotor ventilation hole 23, stator ventilation slot and air-gap 24, and along second fan 20 of non-transmision end and the inner surface of the muscle 21 that keeps out the wind, this inner surface that keeps out the wind muscle 21 is its face that keeps out the wind, the air outlet 16 that is provided with from non-transmision end flows out, and reaches the purpose of cooling motor.
Explanation by above-mentioned machine operation process can obtain, and after the structure of motor is improved, has formed the power dust discharge cooling air duct system that has the dust discharge function that exempts from screen pack, and this cooling air duct is promptly shown in the arrow among Fig. 1.It is by one-level filtration of windshield plate 18 and the effective dust discharge of secondary of dust-exhausting port 17, and the air discharge structure setting by non-transmision end, effectively utilize the wind path circulation, realized convenient foreign material such as the sand and dust eliminating that contains in the cooling air of motor that effectively will enter, filter out impurity such as the fiber that comprises in the cooling air that enters motor, sand grains, dust, reached the effect that purifies cooling air and optimize the motor cooling effect.This motor can be asynchronous machine.
The self-ventilated machine of present embodiment by windshield plate and dust-exhausting port etc. are set, has solved the problem of motor dust discharge weak effect on electric motor end cap, effectively discharged the impurity in the motor cooling air, has reached the purpose that purifies cooling air; Avoid the motor internal dust accretions and influenced motor performance, and reduced the maintenance cost of motor and the difficulty of the inner dust of cleaning.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a self-ventilated machine is characterized in that, comprises casing, is provided with rotor and stator in the internal chamber that described casing surrounds; The driving end of described casing is an open type, and an end cap is arranged on described driving end and fixedlys connected so that described driving end is sealed with described casing, and described end cap is provided with air inlet, and the bottom of described end cap is provided with dust-exhausting port; The non-transmision end of described casing is closed, and described casing is provided with air outlet, and described air inlet communicates with described air outlet.
2. self-ventilated machine according to claim 1 is characterized in that, the air inlet outside on the described end cap also is provided with windshield plate, and described windshield plate is provided with along the air intake direction.
3. self-ventilated machine according to claim 2 is characterized in that, described windshield plate is fixed on the air inlet outside of described end cap or is shaped in the air inlet outside of end cap with described end cap.
4. self-ventilated machine according to claim 1 is characterized in that, first fan is installed on the described rotor, the contiguous described air inlet setting of described first fan.
5. self-ventilated machine according to claim 4 is characterized in that, second fan also is installed on the described rotor, the contiguous described air outlet setting of described second fan.
6. self-ventilated machine according to claim 5 is characterized in that, described first fan or second fan are centrifugal fan.
7. self-ventilated machine according to claim 5, it is characterized in that, also be provided with the muscle that keeps out the wind in the internal chamber of the non-transmision end of described casing, one end of the described muscle that keeps out the wind and described second fan offset, and the end face housing of the other end of the described muscle that keeps out the wind and described non-transmision end offsets and makes described the keep out the wind face of muscle formation towards air outlet that keep out the wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206086380U CN201868978U (en) | 2010-11-15 | 2010-11-15 | Self-ventilation electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206086380U CN201868978U (en) | 2010-11-15 | 2010-11-15 | Self-ventilation electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868978U true CN201868978U (en) | 2011-06-15 |
Family
ID=44140121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206086380U Expired - Fee Related CN201868978U (en) | 2010-11-15 | 2010-11-15 | Self-ventilation electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201868978U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166363A (en) * | 2013-01-31 | 2013-06-19 | 南车株洲电力机车研究所有限公司 | Composite air cooling system of full sealed traction motor |
| CN103959613A (en) * | 2011-12-05 | 2014-07-30 | 东洋电机制造株式会社 | Electric motor for vehicle |
| CN105591497A (en) * | 2016-03-23 | 2016-05-18 | 中车永济电机有限公司 | Independent stator ventilating and cooling type permanent magnet motor |
| CN106716790A (en) * | 2014-11-21 | 2017-05-24 | 株式会社东芝 | Rotary electric machine |
| CN107026530A (en) * | 2017-05-22 | 2017-08-08 | 濮阳市华南重工科技有限公司 | A kind of drip proof type threephase asynchronous and its manufacture method |
-
2010
- 2010-11-15 CN CN2010206086380U patent/CN201868978U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959613A (en) * | 2011-12-05 | 2014-07-30 | 东洋电机制造株式会社 | Electric motor for vehicle |
| US20140312723A1 (en) * | 2011-12-05 | 2014-10-23 | Toyo Electric Mfg. Co., Ltd. | Electric motor for vehicle |
| CN103959613B (en) * | 2011-12-05 | 2016-08-17 | 东洋电机制造株式会社 | Motors for Vehicles |
| US10298094B2 (en) | 2011-12-05 | 2019-05-21 | Toyo Electric Mfg. Co., Ltd. | Fan cooled motor with dust cleaning vent |
| CN103166363A (en) * | 2013-01-31 | 2013-06-19 | 南车株洲电力机车研究所有限公司 | Composite air cooling system of full sealed traction motor |
| CN106716790A (en) * | 2014-11-21 | 2017-05-24 | 株式会社东芝 | Rotary electric machine |
| CN105591497A (en) * | 2016-03-23 | 2016-05-18 | 中车永济电机有限公司 | Independent stator ventilating and cooling type permanent magnet motor |
| CN107026530A (en) * | 2017-05-22 | 2017-08-08 | 濮阳市华南重工科技有限公司 | A kind of drip proof type threephase asynchronous and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20161115 |