CN206432844U - One kind is used for rotor winding formula motor ventilation and cooling structure - Google Patents
One kind is used for rotor winding formula motor ventilation and cooling structure Download PDFInfo
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- CN206432844U CN206432844U CN201720127420.5U CN201720127420U CN206432844U CN 206432844 U CN206432844 U CN 206432844U CN 201720127420 U CN201720127420 U CN 201720127420U CN 206432844 U CN206432844 U CN 206432844U
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- rotating shaft
- rotor
- slip ring
- electric machine
- fan
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Abstract
It is used for rotor winding formula motor ventilation and cooling structure the utility model discloses one kind, including drive end bearing bracket, rear end cap and stator core shell, the drive end bearing bracket, rear end cap and stator core housing combination are installed to form electric machine casing, the electric machine casing is provided with rotating shaft centrally through bearing, the rotating shaft is provided with rotor fan close to one end of drive end bearing bracket, and rotating shaft is provided with rear windshield close to one end of rear end cap.This is used for rotor winding formula motor ventilation and cooling structure, because hollow cooler does not have independent blower fan, therefore the volume of hollow cooler is reduced, reduce cost, also eliminate the high hidden danger of independent fan trouble rate, the ventilating and cooling effect of slip ring, carbon brush and brush holder has very big improvement compared to traditional, eliminate the attachment structure between air cooler and slip ring room, make generator assembling simple, cooling effect is more preferable, on the premise of cost is not increased, the temperature that electric motor back shaft is held reduce further.
Description
Technical field
The utility model is related to motor ventilation and cooling technology field, is specially that one kind is used for rotor winding formula motor ventilation
And cooling structure.
Background technology
Traditional generator cooling technology is that hollow cooler is installed on motor, and blower fan is installed on hollow cooler,
Thus the air quantity that blower fan is produced is supplied to motor outer ventilation circuit to circulate；And in rotating shaft fan produce air quantity and produced by rotor tooth pressing plates
Raw air quantity is then used for wind path circulation in motor.Conventional motors wind path structure has as a drawback that：
1. the hollow cooler with independent blower fan is used so that cooler construction is huge, and cost is higher；
2. the independent fan trouble rate used is high, adds potential safety hazard and maintenance cost.
And traditional Generator Slip Ring ventilation and cooling be all slip ring room is guided into the air-out of hollow cooler part, it is necessary to
Aeration structure is connected, then is drawn by air outlet below slip ring room, and the cooling of slip ring and the discharge of carbon dust are completed with this.Due to
Quoting the air output of hollow cooler has certain limit, moreover the wind come out from hollow cooler has certain temperature, this
The cooling effect of sample slip ring seems very undesirable.
The content of the invention
The technical problems to be solved in the utility model is to overcome existing defect to be used for rotor winding formula motor there is provided one kind
Ventilation and cooling structure, because hollow cooler does not have independent blower fan, therefore reduce the volume of hollow cooler, reduce into
This, also eliminates the high hidden danger of independent fan trouble rate, and the ventilating and cooling effect of slip ring, carbon brush and brush holder has compared to traditional
Very big improvement, eliminates the attachment structure between air cooler and slip ring room, makes generator assembling simply, cooling effect is more preferable,
On the premise of cost is not increased, the temperature that electric motor back shaft is held is reduce further, asking in background technology can be effectively solved
Topic.
To achieve the above object, the utility model provides following technical scheme：One kind is used for rotor winding formula motor ventilation
And cooling structure, including drive end bearing bracket, rear end cap and stator core shell, the drive end bearing bracket, rear end cap and stator core shell group
Close installation and form electric machine casing, the electric machine casing is provided with rotating shaft centrally through bearing, and the rotating shaft is close to drive end bearing bracket
One end is provided with rotor fan, and rotating shaft is provided with the middle part of rear windshield, the rotating shaft close to one end of rear end cap and is provided with
Rotor, the part that the rotating shaft is between rotor fan and rotor, which is provided with fairing, the rotor, is connected with rotor
Tooth pressing plates, the end of the rear end cap is connected with slip ring room, and the rotating shaft is extended in slip ring room close to one end of rear end cap
Portion, and the part that rotating shaft is located inside slip ring room is provided with rear external fan, the part that rotating shaft is located inside slip ring room is also equipped with
Slip ring, the inwall of slip ring room is provided with brush holder, and the brush holder and slip ring, which coordinate, to be installed, the one end of the slip ring room away from electric machine casing
It is connected with the top of back shroud, and electric machine casing and is connected with hollow cooler.
As a kind of optimal technical scheme of the present utility model, the rotor fan is interference fit with rotating shaft.
As a kind of optimal technical scheme of the present utility model, the rotor tooth pressing plates are welded on the ventilation channel plate punching of rotor
On piece.
As a kind of optimal technical scheme of the present utility model, heat dissipating ring is welded with the side wall of the electric machine casing.
As a kind of optimal technical scheme of the present utility model, the rotating shaft is that key is connected cooperation with rear external fan.
Compared with prior art, the beneficial effects of the utility model are：This is used for rotor winding formula motor ventilation and cooling
Structure, because hollow cooler does not have independent blower fan, therefore reduces the volume of hollow cooler, reduces cost, also eliminate
Independent fan trouble rate high hidden danger, the ventilating and cooling effect of slip ring, carbon brush and brush holder has very big change compared to traditional
It is kind, the attachment structure between air cooler and slip ring room is eliminated, makes generator assembling simply, cooling effect more preferably, is not increasing
On the premise of cost, the temperature that electric motor back shaft is held reduce further.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
In figure：1st, drive end bearing bracket；2nd, rotor fan；3rd, fairing；4th, rotor tooth pressing plates；5th, heat dissipating ring；6th, absolutely empty cooling
Device；7th, rear windshield；8th, rear end cap；9th, rear external fan；10th, brush holder；11st, slip ring room；12nd, back shroud.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：One kind is used for rotor winding formula motor ventilation and cooling
Structure, including drive end bearing bracket 1, rear end cap 8 and stator core shell, drive end bearing bracket 1, rear end cap 8 and stator core housing combination are installed
Electric machine casing is formed, electric machine casing is provided with rotating shaft centrally through bearing, and rotating shaft is provided with rotor close to one end of drive end bearing bracket 1
Fan 2, rotor fan 2 provides kinetic energy for air flow, is conducive to the radiating inside hollow cooler 6, rotor fan 2 and rotating shaft
For interference fit, install stable and firm, and rotating shaft is provided with rear windshield 7 close to one end of rear end cap 8, stops air-flow, is easy to
Circulating for electric machine casing internal gas flow, is provided with rotor in the middle part of rotating shaft, rotating shaft is between rotor fan 2 and rotor
Part, which is provided with fairing 3, rotor, is connected with rotor tooth pressing plates 4, and rotor tooth pressing plates 4 are welded on the ventilation channel plate punching of rotor
On piece, be conducive to the circulation of electric machine casing inner air, the end of rear end cap 8 is connected with slip ring room 11, and rotating shaft is close to rear end cap 8
One end extend to the inside of slip ring room 11, and the part that rotating shaft is located inside slip ring room 11 is provided with rear external fan 9, rear exogenous wind
Fan 9 is conducive to the radiating of slip ring room 11, and rotating shaft is that key is connected cooperation with rear external fan 9, is easy for installation and removal, rotating shaft is located at cunning
Part inside ring casing 11 is also equipped with slip ring, and the inwall of slip ring room 11 is provided with brush holder 10, and brush holder 10 and slip ring, which coordinate, to be installed, sliding
The one end of ring casing 11 away from electric machine casing is connected with back shroud 12, easy to disassemble, convenient slip ring room 11 to be cleared up or changed zero
It is welded with part, the side wall of electric machine casing at the top of heat dissipating ring 5, good heat dissipation effect, and electric machine casing and is connected with hollow cooler
6, the hole of the bottom of hollow cooler 6 inside electric machine casing with connecting, and the hot-air inside electric machine casing passes through stator core shell
On hole enter hollow cooler 6 in, the baffle plate inside hollow cooler 6 by the inside division of hollow cooler into S types air channel,
Consequently facilitating hot-air radiates, hot-air is changed into returning to inside electric machine casing after cold air, is distributed with inside hollow cooler 6
Horizontal heat absorbing conduit, the cold wind for the outside that rotor fan 2 is provided can be into the horizontal heat absorbing conduit pair inside hollow cooler 6
The internal cooling of hollow cooler 6,6 pairs of air inside electric machine casing of hollow cooler cool, so as to realize hot friendship
Change, hollow cooler does not have an independent blower fan, the air quantity of motor outer ventilation circuit is that the rotor fan 2 in rotating shaft is provided, motor
The air quantity of interior wind path is provided by rotor tooth pressing plates 4；Heat dissipating ring 5 is added stator core is cylindrical simultaneously, to increase stator
Heat-sinking capability unshakable in one's determination, so can not only reduce the volume of cooler, reduce cost, also eliminate independent fan trouble rate high
Hidden danger, slip ring room 11 is connected by slip ring room installing plate with rear end cap 8, by the upside of slip ring room 11 and slip ring room installing plate with
It is designed to enclosed between rear end cap 8, back shroud 8 is designed with fresh air inlet, then in the rear end of slip ring room installing plate and motor
External fan 9 after one is designed between lid 8, makes rear external fan 9 from the inside exhausting of slip ring room 11, by slip ring room installing plate and rear end
Cavity between lid 8, then discharged from the air outlet of the bottom of slip ring room 11.
The utility model, because hollow cooler does not have independent blower fan, therefore reduces the volume of hollow cooler 6, drop
Low cost, also eliminates the high hidden danger of independent fan trouble rate, and the ventilating and cooling effect of slip ring, carbon brush and brush holder 10 is compared to passing
The attachment structure for having very big improvement, eliminating between air cooler and slip ring room 11 of system, makes generator assembling simple, cooling
Effect more preferably, on the premise of cost is not increased, reduce further the temperature that electric motor back shaft is held.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. one kind is used for rotor winding formula motor ventilation and cooling structure, including drive end bearing bracket（1）, rear end cap（8）And stator core
Shell, it is characterised in that：The drive end bearing bracket（1）, rear end cap（8）Install to form electric machine casing with stator core housing combination, institute
That states electric machine casing is provided with rotating shaft centrally through bearing, and the rotating shaft is close to drive end bearing bracket（1）One end rotor fan is installed
（2）, and rotating shaft is close to rear end cap（8）One end rear windshield is installed（7）, rotor is installed in the middle part of the rotating shaft, it is described
Rotating shaft is in rotor fan（2）Part between rotor is provided with fairing（3）, rotor tooth pressure is connected with the rotor
Piece（4）, the rear end cap（8）End be connected with slip ring room（11）, the rotating shaft is close to rear end cap（8）One end extend to cunning
Ring casing（11）Inside, and rotating shaft is located at slip ring room（11）Internal part is provided with rear external fan（9）, rotating shaft is located at slip ring room
（11）Internal part is also equipped with slip ring, slip ring room（11）Inwall be provided with brush holder（10）, the brush holder（10）Match somebody with somebody with slip ring
Close and install, the slip ring room（11）One end away from electric machine casing is connected with back shroud（12）, and the top connection of electric machine casing
There is hollow cooler（6）.
2. it is according to claim 1 a kind of for rotor winding formula motor ventilation and cooling structure, it is characterised in that：It is described
Rotor fan（2）It is interference fit with rotating shaft.
3. it is according to claim 1 a kind of for rotor winding formula motor ventilation and cooling structure, it is characterised in that：It is described
Rotor tooth pressing plates（4）It is welded in the ventilation channel plate punching of rotor.
4. it is according to claim 1 a kind of for rotor winding formula motor ventilation and cooling structure, it is characterised in that：It is described
Heat dissipating ring is welded with the side wall of electric machine casing（5）.
5. it is according to claim 1 a kind of for rotor winding formula motor ventilation and cooling structure, it is characterised in that：It is described
Rotating shaft and rear external fan（9）Connect and coordinate for key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127420.5U CN206432844U (en) | 2017-02-13 | 2017-02-13 | One kind is used for rotor winding formula motor ventilation and cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127420.5U CN206432844U (en) | 2017-02-13 | 2017-02-13 | One kind is used for rotor winding formula motor ventilation and cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432844U true CN206432844U (en) | 2017-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720127420.5U Ceased CN206432844U (en) | 2017-02-13 | 2017-02-13 | One kind is used for rotor winding formula motor ventilation and cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432844U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030407A (en) * | 2020-01-10 | 2020-04-17 | 万高(南通)电机制造有限公司 | Carbon brush automatic lifting type three-phase winding induction motor |
| CN111049343A (en) * | 2020-01-10 | 2020-04-21 | 万高(南通)电机制造有限公司 | High torque density box type induction motor |
| CN112039292A (en) * | 2020-09-23 | 2020-12-04 | 威伊艾姆电机(无锡)有限公司 | Cooling and separating structure for air-air cooler main body and slip ring of internal slip ring surrounding motor |
| CN113131657A (en) * | 2019-12-30 | 2021-07-16 | 邯郸金隅太行水泥有限责任公司 | Solution for preventing carbon powder of built-in slip ring chamber of motor from entering stator and rotor |
-
2017
- 2017-02-13 CN CN201720127420.5U patent/CN206432844U/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131657A (en) * | 2019-12-30 | 2021-07-16 | 邯郸金隅太行水泥有限责任公司 | Solution for preventing carbon powder of built-in slip ring chamber of motor from entering stator and rotor |
| CN113131657B (en) * | 2019-12-30 | 2023-06-13 | 邯郸金隅太行水泥有限责任公司 | Solution for preventing carbon powder of built-in slip ring chamber of motor from entering stator and rotor |
| CN111030407A (en) * | 2020-01-10 | 2020-04-17 | 万高(南通)电机制造有限公司 | Carbon brush automatic lifting type three-phase winding induction motor |
| CN111049343A (en) * | 2020-01-10 | 2020-04-21 | 万高(南通)电机制造有限公司 | High torque density box type induction motor |
| CN112039292A (en) * | 2020-09-23 | 2020-12-04 | 威伊艾姆电机(无锡)有限公司 | Cooling and separating structure for air-air cooler main body and slip ring of internal slip ring surrounding motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20180213 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20200227 Decision number of declaring invalidation: 43408 Granted publication date: 20170822 |
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| IW01 | Full invalidation of patent right |