CN203707998U - Air-cooled heat radiation series excitation motor - Google Patents
Air-cooled heat radiation series excitation motor Download PDFInfo
- Publication number
- CN203707998U CN203707998U CN201320893730.XU CN201320893730U CN203707998U CN 203707998 U CN203707998 U CN 203707998U CN 201320893730 U CN201320893730 U CN 201320893730U CN 203707998 U CN203707998 U CN 203707998U
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- seal closure
- fan
- series motor
- stator
- air outlet
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Abstract
The utility model discloses an air-cooled heat radiation series excitation motor. A sealing cover and a fan are additionally arranged. The sealing cover is provided with an air inlet and an air outlet. The sealing cover is fixed on a supporting frame or a stator. The sealing cover wraps the series excitation motor or the two end parts of the series excitation motor. The fan is fixed on the sealing cover or the supporting frame. A winding set cooling channel is formed by a gap between the stator and a rotor. The two ends of the winding set cooling channel are respectively communicated with the air inlet and the air outlet. An internally-enclosed cooling channel is formed by the air inlet, the winding set cooling channel and the air outlet. The fan is arranged on the end part or the internal part of the cooling channel. The series excitation motor is simple in structure, the series excitation motor is protected via the sealing cover, and the independent internally-enclosed cooling channel is formed so that the series excitation motor is better in heat radiation effect and high in heat radiation efficiency. The embodiment is also suitable for an induction motor without a metal shell. The induction motor without the metal shell is also included in the protection range of the utility model.
Description
Technical field
The utility model relates to the radiator structure technical field of motor, especially relates to a kind of series motor of wind-cooling heat dissipating.
Background technology
In existing technology, motor is distinguished and is comprised alternating current motor, induction motor and series motor etc. by kind, and alternating current motor has a metal shell, and metal shell gets up stator and rotor seal.And series motor is complete dissimilar motor, series motor comprises stator, rotor and support three parts.Stator is made up of salient pole iron core and excitation winding, and rotor is made up of non-salient pole iron core, armature winding, commutator and rotating shaft etc.Between excitation winding and armature winding, form series loop by brush and commutator.Series motor does not have metal shell, and support, rotor and the stator etc. of series motor are all directly exposed to outer.
Series motor is provided with thermostat, and in the time that series motor temperature is elevated to set point, thermostat cuts off the power supply of series motor, and series motor quits work automatically.And the caloric value of series motor in the time of work is larger, especially excitation winding and armature winding, the temperature of series motor raises fast along with the raising of revolution and power, and the speed of temperature rise is very fast, if dispelled the heat, series motor not in time will quit work automatically, the stream time that series motor reaches is very short, reduces the operating efficiency of the equipment of configuration series motor, has increased user's stand-by period.In addition, thermostat is just cut off the electricity supply in the time that temperature is higher, can not fundamentally solve the problem of series motor excess Temperature, at thermostat aging or lost efficacy time, the excess Temperature of series motor may and burn excitation winding, armature winding and whole series motor, there is potential safety hazard.
For alternating current motor, can fix a fan in motor one end simply, if Chinese utility model patent number is the Chinese utility model patent that " 201020292659.6 ", patent name are " improvement of motor cooling structure ".But, for series motor, fan is to be fixed in the rotating shaft of stator, the air-flow that fan blows out is striking behind the end of series motor, and most air-flow is gone out to surrounding dissipation, cannot be blown in the space of motor inside, nature cannot dispel the heat to the coiling group of stator and rotor, its radiating effect is non-constant, and radiating efficiency is low, is therefore necessary to be improved.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of series motor of wind-cooling heat dissipating, and it is simple in structure, has better radiating effect, and radiating efficiency is high.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of series motor of wind-cooling heat dissipating, comprise support, fan, rotor, be arranged on the stator of rotor periphery and for guiding and limit the seal closure of the air flow path of fan institute priming, stator is fixed on support, rotor pivot is in support, seal closure is provided with air inlet and air outlet, seal closure is fixed on support or stator, the both ends of the coated series motor of seal closure or coated series motor, fan is fixed on seal closure or support, gap between stator and rotor forms a coiling group cooling duct, the two ends of coiling group cooling duct are communicated with respectively air inlet and air outlet, air inlet, coiling group cooling duct and air outlet form the cooling duct of an enclose inside, fan is placed in end or the inside of cooling duct.
Further, in technical scheme, described fan is selected the extractor fan that is arranged on air outlet or the fan blowing that is arranged on air inlet.
Further in technical scheme, described stator comprises salient pole iron core and excitation winding, excitation winding is wound on salient pole iron core, rotor comprises non-salient pole iron core, armature winding, commutator and rotating shaft, non-salient pole iron core and armature winding are fixed on rotating shaft, rotating shaft is articulated in support, and commutator is fixed on the end of rotating shaft.
In optimal technical scheme, described seal closure is fixed on support, whole series motor is placed in the cavity of seal closure, rotating shaft passes from the front end face of seal closure, the surrounding side opening of the leading section of seal closure is provided with some holes, hole composition air inlet, the rear end face of seal closure is provided with air outlet, fan is fixed on the rear end face of seal closure, fan is positioned at the back-end location of series motor, the matrix of fan and the rear end face of seal closure are sealed and matched, and fan is selected extractor fan, form the cooling duct of a negative pressure between air inlet, coiling group cooling duct and air outlet.
In another optimal technical scheme, the outer race of described stator is provided with a radiating fin, radiating fin is coated stator, radiating fin is along the circumferential direction distributed with some fins, between adjacent fin, be provided with heat radiation space, the two ends in heat radiation space are communicated with respectively air inlet and air outlet, form the inner cooling channel of some negative pressure between air inlet, coiling group cooling duct and air outlet, and the fin clearance of air inlet, radiating fin and air outlet form the outer cooling duct of several negative pressure.
Further, in technical scheme, described seal closure comprises upper outlet body and lower cover, and upper outlet body and lower cover are assembled cooperation up and down.
Further in technical scheme, described seal closure comprises the first seal closure and the second seal closure, the first seal closure and the second seal closure are separately fixed at the both ends of series motor, the first seal closure and the second seal closure be the both ends of coated series motor respectively, the first seal closure is provided with air inlet, and the second seal closure is provided with air outlet, and fan is selected extractor fan, fan is fixed on air outlet place, and air inlet, coiling group cooling duct and air outlet form the cooling duct of a negative pressure.
Further, in technical scheme, described the first seal closure is fixed on the leading section of series motor, and the second seal closure is fixed on the rearward end of series motor, stator all or central region expose outside.
Further in technical scheme, the inner end of described the first seal closure and the second seal closure is sheathed on respectively the outer rim of stator, the outside at the first seal closure and the second seal closure is exposed at the middle part of stator, between the first seal closure and the outer rim of stator, be provided with sealing ring, between the second seal closure and the outer rim of stator, be provided with sealing ring.
Further in technical scheme, described the first seal closure comprises the first upper outlet body and the first lower cover, the first upper outlet body and the first lower cover are assembled cooperation up and down, the second seal closure comprises the second upper outlet body and the second lower cover that assembling coordinates up and down, and the second upper outlet body and the second lower cover are assembled cooperation up and down.
Adopt after said structure; the advantage that compared to the prior art the utility model had is: the utility model is simple in structure, provides protection by seal closure to series motor, forms the independently cooling duct of enclose inside; have better radiating effect, radiating efficiency is high.The present embodiment is also applicable to the induction motor without metal shell, is certainly also included within protection range of the present utility model without the induction motor of metal shell.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model embodiment mono-.
Fig. 2 is the decomposition intention of the utility model embodiment mono-.
Fig. 3 is the internal structure schematic diagram of the utility model embodiment mono-.
Fig. 4 is the internal structure schematic diagram of the utility model embodiment bis-.
Fig. 5 is the structural representation of the radiating fin of the utility model embodiment bis-.
In figure: 1, support 2, fan 3, air inlet 4, air outlet 5, coiling group cooling duct 6, rotating shaft 7, stator 8, rotor 9, radiating fin 10, seal closure 101, the first seal closure 1011, the first upper outlet body 1012, the first lower cover 102, the second seal closure 1021, the second upper outlet body 1022, the second lower cover 11, sealing ring 12, final air outlet.
Embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection range of the present utility model.
Embodiment mono-
A kind of series motor of wind-cooling heat dissipating, see shown in Fig. 1 to Fig. 3, comprise support 1, fan 2, seal closure 10, rotor 8 and be arranged on the stator 7 of rotor 8 peripheries, stator 7 is fixed on support 1, and rotor 8 is articulated in support 1, stator 7 comprises salient pole iron core and excitation winding, excitation winding is wound on salient pole iron core, and rotor 8 comprises non-salient pole iron core, armature winding, commutator and rotating shaft 6, and non-salient pole iron core and armature winding are fixed on rotating shaft 6, rotating shaft 6 is articulated in support 1, and commutator is fixed on the end of rotating shaft 6.
Seal closure 10 is for guiding and limit the air flow path of 2 primings of fan, seal closure 10 is provided with air inlet 3 and air outlet 4, seal closure 10 is fixed on support 1 or stator 7, the both ends of seal closure 10 coated series motors, fan 2 is fixed on seal closure 10 or support 1, gap between stator 7 and rotor 8 forms a coiling group cooling duct 5, the two ends of coiling group cooling duct 5 are communicated with respectively air inlet 3 and air outlet 4, air inlet 3, coiling group cooling duct 5 and air outlet 4 form the cooling duct of an enclose inside, and fan 2 is placed in end or the inside of cooling duct.Fan 2 is selected the extractor fan that is arranged on air outlet 4, and the present embodiment is also applicable to the induction motor without metal shell, is certainly also included within protection range of the present utility model without the induction motor of metal shell.
Certainly, fan 2 also may be mounted in the fan blowing of air inlet 3.
Concrete, seal closure 10 comprises the first seal closure 101 and the second seal closure 102, the first seal closure 101 and the second seal closure 102 are separately fixed at the both ends of series motor, the first seal closure 101 and the second seal closure 102 be the both ends of coated series motor respectively, the first seal closure 101 is fixed on the leading section of series motor, the second seal closure 102 is fixed on the rearward end of series motor, stator 7 all or central region expose outside.The surrounding side opening that the first seal closure 101 is provided with the leading section of air inlet 3, the first seal closures 101 is provided with some holes, hole composition air inlet 3.The end face seal of the air outlet 4 of the end face of fan 2 and the second seal closure 102, the air outlet of fan 2 forms final air outlet 12.
The second seal closure 102 is provided with air outlet 4, and fan 2 is selected extractor fan, and fan 2 is fixed on air outlet 4 places, and air inlet 3, coiling group cooling duct 5 and air outlet 4 form the cooling duct of a negative pressure.
The utility model is by arranging an extractor fan in the rearward end of series motor, extractor fan carries out exhausting to the coiling group cooling duct 5 of series motor, coiling group cooling duct 5 forms negative pressure, cooling blast is from air inlet 3 suction, cooling blast during by coiling group cooling duct 5 to salient pole iron core, excitation winding, non-salient pole iron core and armature winding dispel the heat, cooling blast finally flows out from air outlet 4 after extractor fan, the mode that adopts extractor fan to carry out exhausting to coiling group cooling duct 5 more can ensure the flow direction of air-flow, cooling effect is better, cooling effectiveness is higher, improve the stream time of series motor.
The inner end of the first seal closure 101 and the second seal closure 102 is sheathed on respectively the outer rim of stator 7, the outside at the first seal closure 101 and the second seal closure 102 is exposed at the middle part of stator 7, between the first seal closure 101 and the outer rim of stator 7, be provided with between sealing ring 11, the second seal closures 102 and the outer rim of stator 7 and be provided with sealing ring 11.Prevent that cooling blast from leaking outside.
By a seal closure 10, the inner sealing of series motor is become to a passage that can ventilate, make the space of wind between stator 7 and the rotor 8 of series motor and between the fin of radiating fin 9 by rear quick cooling stator 7.Use fan forced draft, make whole series motor cooling fast, its temperature of fast reducing, reaches the effect of prolonging the motor operating time.
Close fan housing 10 can adopt aluminum material, dispels the heat faster, lightweight, and cost is low, and certainly, close fan housing 10 also can be selected other material, for example ferrous material, copper material or plastics.
The first seal closure 101 comprises the first upper outlet body 1011 and the first lower cover 1012, the both sides of the first upper outlet body 1011 and the first lower cover 1012 form respectively the location wall of concavo-convex cooperation, the first upper outlet body 1011 and the first lower cover 1012 coordinate by wall location, location, the both sides of the first upper outlet body 1011 are respectively arranged with pin thread, the both sides of the first lower cover 1012 are respectively arranged with box, and pin thread and box are fastened and the first upper outlet body 1011 and the first lower cover 1012 are assembled to cooperation up and down.The second seal closure 102 comprises the second upper outlet body 1021 and the second lower cover 1022 that assembling coordinates up and down, the both sides of the second upper outlet body 1021 and the second lower cover 1022 form respectively the location wall of concavo-convex cooperation, the second upper outlet body 1021 and the second lower cover 1022 coordinate by wall location, location, the both sides of the second upper outlet body 1021 and the second lower cover 1022 offer respectively screw installing hole, locked the screw installing hole of the second upper outlet body 1021 and the second lower cover 1022 both sides and the second upper outlet body 1021 and the second lower cover 1022 are assembled to cooperation up and down by screw.The first seal closure 101 and the second seal closure 102 are divided into two halves, reduce production costs and installation difficulty, and its installation are simple and convenient.
Embodiment bis-
A kind of series motor of wind-cooling heat dissipating, see shown in Fig. 4 to Fig. 5, the primary structure of this real embodiment, principle and effect are identical with embodiment mono-, here repeat no more, its difference is, the periphery of series motor is a coated seal closure 10 only, the coated whole series motor of seal closure 10, seal closure 10 is fixed on support 1, whole series motor is placed in the cavity of seal closure 10, rotating shaft 6 passes from the front end face of seal closure 10, the surrounding side opening of the leading section of seal closure 10 is provided with some holes, hole composition air inlet 3, the rear end face of seal closure 10 is provided with air outlet 4, fan 2 is fixed on the rear end face of seal closure 10, fan 2 is positioned at the back-end location of series motor, the rear end face of the matrix of fan 2 and seal closure 10 is sealed and matched, fan 2 is selected extractor fan, air inlet 3, between coiling group cooling duct 5 and air outlet 4, form the cooling duct of a negative pressure, the air outlet of fan 2 forms final air outlet 12.The present embodiment is also applicable to the induction motor without metal shell, is certainly also included within protection range of the present utility model without the induction motor of metal shell.
The outer race of stator 7 is provided with a radiating fin 9, the coated stator 7 of radiating fin 9, radiating fin 9 is along the circumferential direction distributed with some fins, between adjacent fin, be provided with heat radiation space, the two ends in heat radiation space are communicated with respectively air inlet 3 and air outlet 4, between air inlet 3, coiling group cooling duct 5 and air outlet 4, form the inner cooling channel of some negative pressure, the fin clearance of air inlet 3, radiating fin 9 and air outlet 4 form the outer cooling duct of several negative pressure.
The utility model is at the outer increase radiating fin 9 of stator 7, improve heat conduction velocity, and form inner cooling channel and outer cooling duct, cooling blast is divided into internal layer air-flow and outer gas flow, and internal layer air-flow is by inner cooling channel, and outer gas flow is by outer cooling duct, the inside and outside of series motor dispelled the heat simultaneously, radiating effect is better, and radiating efficiency is higher, improves the stream time of series motor.
Seal closure 10 comprises upper outlet body and lower cover, upper outlet body and cover body coordinate by wall location, location, the both sides of upper outlet body and upper outlet body offer respectively screw installing hole, locked the screw installing hole of upper outlet body and lower cover both sides and upper outlet body and lower cover are assembled to cooperation up and down by screw.Seal closure 10 is divided into upper outlet body and lower cover, reduce production costs and installation difficulty, and its installation is simple and convenient.
Close fan housing 10 can adopt aluminum material, dispels the heat faster, lightweight, and cost is low, and certainly, close fan housing 10 also can be selected other material, for example ferrous material, copper material or plastics.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. the series motor of a wind-cooling heat dissipating, comprise support (1), fan (2), rotor (8) and be arranged on the peripheral stator (7) of rotor (8), stator (7) is fixed on support (1), rotor (8) is articulated in support (1), it is characterized in that: also comprise the seal closure (10) for the air flow path of guiding and the priming of restriction fan (2) institute, seal closure (10) is provided with air inlet (3) and air outlet (4), seal closure (10) is fixed on support (1) or stator (7), the both ends of the coated series motor of seal closure (10) or coated series motor, fan (2) is fixed on seal closure (10) or support (1), gap between stator (7) and rotor (8) forms a coiling group cooling duct (5), the two ends of coiling group cooling duct (5) are communicated with respectively air inlet (3) and air outlet (4), air inlet (3), coiling group cooling duct (5) and air outlet (4) form the cooling duct of an enclose inside, fan (2) is placed in end or the inside of cooling duct.
2. the series motor of a kind of wind-cooling heat dissipating according to claim 1, is characterized in that: described fan (2) is selected the extractor fan that is arranged on air outlet (4) or the fan blowing that is arranged on air inlet (3).
3. the series motor of a kind of wind-cooling heat dissipating according to claim 1, it is characterized in that: described stator (7) comprises salient pole iron core and excitation winding, excitation winding is wound on salient pole iron core, rotor (8) comprises non-salient pole iron core, armature winding, commutator and rotating shaft (6), non-salient pole iron core and armature winding are fixed on rotating shaft (6), rotating shaft (6) is articulated in support (1), and commutator is fixed on the end of rotating shaft (6).
4. the series motor of a kind of wind-cooling heat dissipating according to claim 1, it is characterized in that: described seal closure (10) is fixed on support (1), whole series motor is placed in the cavity of seal closure (10), rotating shaft (6) passes from the front end face of seal closure (10), the surrounding side opening of the leading section of seal closure (10) is provided with some holes, hole composition air inlet (3), the rear end face of seal closure (10) is provided with air outlet (4), fan (2) is fixed on the rear end face of seal closure (10), fan (2) is positioned at the back-end location of series motor, the rear end face of the matrix of fan (2) and seal closure (10) is sealed and matched, fan (2) is selected extractor fan, air inlet (3), between coiling group cooling duct (5) and air outlet (4), form the cooling duct of a negative pressure.
5. the series motor of a kind of wind-cooling heat dissipating according to claim 4, it is characterized in that: the outer race of described stator (7) is provided with a radiating fin (9), radiating fin (9) is coated stator (7), radiating fin (9) is along the circumferential direction distributed with some fins, between adjacent fin, be provided with heat radiation space, the two ends in heat radiation space are communicated with respectively air inlet (3) and air outlet (4), air inlet (3), between coiling group cooling duct (5) and air outlet (4), form the inner cooling channel of some negative pressure, air inlet (3), the fin clearance of radiating fin (9) and air outlet (4) form the outer cooling duct of several negative pressure.
6. the series motor of a kind of wind-cooling heat dissipating according to claim 4, is characterized in that: described seal closure (10) comprises upper outlet body and lower cover, and upper outlet body and lower cover are assembled cooperation up and down.
7. the series motor of a kind of wind-cooling heat dissipating according to claim 1, it is characterized in that: described seal closure (10) comprises the first seal closure (101) and the second seal closure (102), the first seal closure (101) and the second seal closure (102) are separately fixed at the both ends of series motor, the first seal closure (101) and the second seal closure (102) be the both ends of coated series motor respectively, the first seal closure (101) is provided with air inlet (3), the second seal closure (102) is provided with air outlet (4), fan (2) is selected extractor fan, fan (2) is fixed on air outlet (4) to be located, air inlet (3), coiling group cooling duct (5) and air outlet (4) form the cooling duct of a negative pressure.
8. the series motor of a kind of wind-cooling heat dissipating according to claim 7, it is characterized in that: described the first seal closure (101) is fixed on the leading section of series motor, the second seal closure (102) is fixed on the rearward end of series motor, stator (7) all or central region expose outside.
9. the series motor of a kind of wind-cooling heat dissipating according to claim 7, it is characterized in that: the inner end of described the first seal closure (101) and the second seal closure (102) is sheathed on respectively the outer rim of stator (7), the outside at the first seal closure (101) and the second seal closure (102) is exposed at the middle part of stator (7), between the outer rim of the first seal closure (101) and stator (7), be provided with sealing ring (11), between the second seal closure (102) and the outer rim of stator (7), be provided with sealing ring (11).
10. the series motor of a kind of wind-cooling heat dissipating according to claim 7, it is characterized in that: described the first seal closure (101) comprises the first upper outlet body (1011) and the first lower cover (1012), the first upper outlet body (1011) and the first lower cover (1012) are assembled cooperation up and down, the second seal closure (102) comprises the second upper outlet body (1021) and the second lower cover (1022) that assembling coordinates up and down, and the second upper outlet body (1021) and the second lower cover (1022) are assembled cooperation up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893730.XU CN203707998U (en) | 2013-12-31 | 2013-12-31 | Air-cooled heat radiation series excitation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893730.XU CN203707998U (en) | 2013-12-31 | 2013-12-31 | Air-cooled heat radiation series excitation motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707998U true CN203707998U (en) | 2014-07-09 |
Family
ID=51058378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320893730.XU Expired - Fee Related CN203707998U (en) | 2013-12-31 | 2013-12-31 | Air-cooled heat radiation series excitation motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707998U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634609A (en) * | 2017-10-12 | 2018-01-26 | 中冶焦耐(大连)工程技术有限公司 | The rotor cooling system and method for magnetic suspension high speed motor associated mode atomizer |
| CN107659055A (en) * | 2017-10-30 | 2018-02-02 | 南京磁谷科技有限公司 | A kind of aeration structure for the platform that exceeds the speed limit |
| TWI722757B (en) * | 2020-01-10 | 2021-03-21 | 士林電機廠股份有限公司 | The heat dissipation structure of the motor |
-
2013
- 2013-12-31 CN CN201320893730.XU patent/CN203707998U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634609A (en) * | 2017-10-12 | 2018-01-26 | 中冶焦耐(大连)工程技术有限公司 | The rotor cooling system and method for magnetic suspension high speed motor associated mode atomizer |
| CN107634609B (en) * | 2017-10-12 | 2023-09-15 | 中冶焦耐(大连)工程技术有限公司 | Rotor cooling system and method of magnetic suspension high-speed motor direct-connected atomizer |
| CN107659055A (en) * | 2017-10-30 | 2018-02-02 | 南京磁谷科技有限公司 | A kind of aeration structure for the platform that exceeds the speed limit |
| CN107659055B (en) * | 2017-10-30 | 2023-10-20 | 南京磁谷科技有限公司 | Ventilating structure of overspeed table |
| TWI722757B (en) * | 2020-01-10 | 2021-03-21 | 士林電機廠股份有限公司 | The heat dissipation structure of the motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20211231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |