CN107612223A - Rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system - Google Patents
Rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system Download PDFInfo
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- CN107612223A CN107612223A CN201711046235.4A CN201711046235A CN107612223A CN 107612223 A CN107612223 A CN 107612223A CN 201711046235 A CN201711046235 A CN 201711046235A CN 107612223 A CN107612223 A CN 107612223A
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- cooling system
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- flange component
- electric dynamometer
- winding
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Abstract
The present invention provides a kind of rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system, the present invention is cooled down using water cooling to winding and bearing, whole water system uses cascaded structure, flowed out after the waterway structure that cooling medium is arranged on inside electric dynamometer from water supply connector entrance from water out adapter, fore bearing, rear bearing and winding are cooled down during circulation, reduce the temperature in use of fore bearing, rear bearing and winding, the reliability of product is improved, extends the service life of product；Using being welded to connect between ring-shaped water jacket and the body of electric dynamometer, simple in construction, cost is relatively low, and can significantly improve the life-span of product, easily promotes the use of；Meanwhile the waterway structure in housing unit and flange assembly is used and is welded to connect, simple in construction, sealed reliable；Moreover, water-cooled electric dynamometer is compared with the air-cooled electric dynamometer of same type similar technology index, small volume, noise are small.
Description
Technical field
The invention belongs to electric dynamometer cooling technology field, and in particular in a kind of rare-earth permanent-magnetic synchronous electric dynamometer
Portion's water-cooling system.
Background technology
With the exacerbation of world energy sources crisis, internal combustion engine detection device is gradually by the water turbulence dynamometer machine and electricity of the consumption energy
Eddy current dynamometer changes to the electric dynamometer that the energy can recycle.At present, electric dynamometer is in Engine Block Test industry
More than 40% market share is occupied, and has developed more and more faster.Rare earth permanent magnet AC synchronous electric dynamometer uses permanent magnetism
Body carries out excitation, and small volume, in light weight, power factor is higher, and energy-saving effect is more preferable, increasingly attracts people's attention.It is controlled
Technology reaches its maturity, controller commercialization.The asynchronous motor frequency-changing speed-regulating of middle low power is just being progressively synchronous permanent-magnet motor
Machine governing system is substituted.Elevator driving is exactly a typical example.Acceleration of the drive system of elevator to motor, speed stabilizing,
Braking, positioning have certain requirement.Early stage people use DC motor speed-regulating system, and its shortcoming is self-evident.70
Age converter technique mature, the rapid DC speed regulation system that instead of in elevator industry of frequency control driving of asynchronous motor
System.And newest actuation techniques are exactly speed-adjustment System of Permanent in this several years elevator industries, its small volume, energy-conservation, control
Performance processed is good and may be readily formed as low speed direct drive, eliminates mechanical reduction gear；Its low noise, langding accuracy and comfortableness are all
Better than former drive system, it is adapted to use in machine-roomless lift.PMSM Drive System obtains major quickly
Elevator company favors, the existing a variety of trade mark listings of the special converter series of products supporting with it.It is contemplated that driven in speed governing
Occasion, it will be the world of permasyn morot, but existing electric dynamometer is because Cost Problems substantially use
All it is three-phase asynchronous Ac motor, moreover, existing electric dynamometer is mostly taken air-cooled, overall volume and noise are all bigger.
The content of the invention
It is an object of the invention to provide a kind of rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system, the water-cooling system
Water route uses cascaded structure, cooling medium from water supply connector enter the connecting line being arranged on inside electric dynamometer after from water outlet
Joint is flowed out, and the internal structure of dynamometer machine is cooled down during circulation.
In order to achieve the above object, used technical scheme of the invention is：In rare-earth permanent-magnetic synchronous electric dynamometer
Portion's water-cooling system, including fore bearing cooling system, the winding cooling system that is cooled down to winding cooled down to fore bearing
With the rear bearing cooling system cooled down to rear bearing, described fore bearing and rear bearing are installed on main shaft, before described
Bearing cooling system includes water supply connector and forward flange component, fore bearing is embedded with the inside of the forward flange component, before described
The inside of flange assembly is provided with the annular water tank I cooled down to the fore bearing and is symmetricly set on I liang of the annular water tank
End two interface channels I, two interface channels I vertically set and two interface channels I with the annular water
Groove I is connected, and the interface channel I at the top of the fore bearing is connected with the water supply connector being embedded on forward flange component top
Logical, the interface channel I positioned at the fore bearing bottom is cooled down by being arranged on the bridge piece I of forward flange component bottom with winding
System is connected；
Bearing cooling system includes water out adapter and rear flange component after described, and rear axle is embedded with the inside of the rear flange component
Hold, the rear flange component is internally provided with the annular water tank II and two interface channels cooled down to the rear bearing
II, two interface channels II are vertically set and two interface channels II are connected with the annular water tank II, position
The interface channel II of its top is connected with the water out adapter being embedded on rear flange component top after described, after described
The interface channel II of bearing bottom is connected by being arranged on the bridge piece II of rear flange component bottom with winding cooling system；
The winding cooling system includes housing unit and the winding inside housing unit, and the housing unit includes interior
Housing and shell body, the both ends of the inner housing are connected with the forward flange component and the rear flange component respectively, described interior
The outer circumference surface of housing is provided with spiral tank, is surrounded between the inner housing, spiral tank and shell body for cooling medium
The water jacket of circulation.
Preferably, the both ends of the bridge piece I pass through union elbow I and the forward flange component and the winding respectively
Cooling system is connected, the both ends of the bridge piece II respectively by union elbow II and the rear flange component and it is described around
Group cooling system is connected.
Preferably, the bridge piece I and the bridge piece II are connected with the water jacket.
Preferably, the winding is in contact with the inwall of the inner housing.
Preferably, one end of the annular water tank I is connected with two interface channels I, the other end of the annular water tank I
It is provided with weld-ring I.
Preferably, use and be welded to connect between the weld-ring I and the forward flange component.
Preferably, the one end of the annular water tank II away from the rear bearing communicates with the external world, and the annular water tank II
The outermost of one end away from the rear bearing is provided with weld-ring II.
Preferably, use and be welded to connect between the weld-ring II and the rear flange component.
Compared with prior art, the beneficial effects of the invention are as follows：Winding and bearing are the important components on electric dynamometer,
It is also consumable accessory simultaneously, the service life of both parts substantially determines the service life of product, and both parts are lost
The main reason for effect is all that temperature is too high, and the present invention is cooled down using water cooling to winding and bearing, and whole water system uses
Cascaded structure, cooling medium from water supply connector enter the waterway structure that is arranged on inside electric dynamometer after from water out adapter stream
Go out, fore bearing, rear bearing and winding are cooled down during circulation, reduce fore bearing, rear bearing and winding
Temperature in use, improve the reliability of product, extend the service life of product；The body of ring-shaped water jacket and electric dynamometer
Between using being welded to connect, simple in construction, cost is relatively low, and can significantly improve the life-span of product, easily promotes the use of；Meanwhile
Waterway structure in housing unit and flange assembly, which uses, to be welded to connect, simple in construction, sealed reliable；Moreover, water-cooled is electric
Power dynamometer machine is compared with the air-cooled electric dynamometer of same type similar technology index, and small volume, noise are small.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of forward flange component in the present invention；
Fig. 3 is the structural representation of rear flange component in the present invention；
Fig. 4 is the structural representation of housing unit in the present invention；
Fig. 5 is the structural representation of inner housing in the present invention；
Marked in figure：1st, water supply connector, 2, forward flange component, 201, annular water tank I, 202, interface channel I, 203, bridge piece
I, 204, union elbow I, 205, weld-ring I, 3, fore bearing, 4, water out adapter, 5, rear flange component, 501, interface channel II,
502nd, annular water tank II, 503, bridge piece II, 504, weld-ring II, 505, union elbow II, 6, rear bearing, 7, main shaft, 701,
Winding, 8, housing unit, 801, inner housing, 802, shell body, 803, spiral tank, 804, water jacket.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in Fig. 1 to 5, rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system, including fore bearing 3 is cooled down
Fore bearing cooling system, the winding cooling system cooled down to winding 701 and the rear bearing that is cooled down to rear bearing 6 it is cold
But system, fore bearing 3 and rear bearing 6 are installed on main shaft 7, and other parts such as permanent magnet, fore bearing are also equipped with main shaft 7
Cooling system includes water supply connector 1 and forward flange component 2, and the inner side of forward flange component 2 is embedded with fore bearing 3, forward flange component 2
Inside be provided with the annular water tank I 201 that is cooled down to fore bearing 3 and two that are symmetricly set on the both ends of annular water tank I 201
Interface channel I 202, two interface channels I 202 vertically set and two interface channels I 202 with annular water tank I
201 are connected, and the interface channel I 202 positioned at the top of fore bearing 3 is with being embedded the phase of water supply connector 1 on the top of forward flange component 2
Connection, positioned at the bottom of fore bearing 3 interface channel I 202 by be arranged on the bridge piece I 203 of the bottom of forward flange component 2 with
Winding cooling system is connected；
Bearing cooling system includes water out adapter 4 and rear flange component 5 afterwards, and the inner side of rear flange component 5 is embedded with rear bearing 6,
Being internally provided with for the rear flange component 5 is logical to the annular water tank II 502 that bearing 6 is cooled down described afterwards and two connections
Road II 501, two interface channels II 501 vertically set and two interface channels II 501 with annular water tank II 502
It is connected, the interface channel II 501 positioned at the rear top of bearing 6 is connected with the water out adapter 4 being embedded on the top of rear flange component 5
It is logical, positioned at the rear bottom of bearing 6 interface channel II 501 by be arranged on the bridge piece II 503 of the bottom of rear flange component 5 with
Winding cooling system is connected；
Winding cooling system includes housing unit 8 and the winding 701 inside housing unit 8, and housing unit 8 includes inner casing
Body 801 and shell body 802, the both ends of inner housing 801 are connected with forward flange component 2 and rear flange component 5 respectively, inner housing 801
Outer circumference surface be provided with spiral tank 803, surrounded between inner housing 801, spiral tank 803 and shell body 802 for cooling down
The water jacket 804 of flow of media.
The both ends of bridge piece I 203 pass through union elbow I 204 and forward flange component 2 and winding cooling system phase respectively
Connection, the both ends of bridge piece II 503 pass through union elbow II 505 and rear flange component 5 and winding cooling system phase respectively
Connection.
Bridge piece I 203 and bridge piece II 503 are connected with the water jacket 804 in winding cooling system.
Winding 701 is in contact with the inwall of inner housing 801.
One end of annular water tank I 201 is connected with two interface channels I 202, and the other end of annular water tank I 201 is most
Outside is provided with weld-ring I 205.
Use and be welded to connect between weld-ring I 205 and forward flange component 2.
The one end of annular water tank II 502 away from rear bearing 6 communicates with the external world, and annular water tank II 502 is away from rear bearing 6
The outermost of one end be provided with weld-ring II 504.
Use and be welded to connect between weld-ring II 504 and rear flange component 5.
In the use of the present invention, the annular water tank I 201 that cooling medium enters inside forward flange component 2 from water supply connector 1
In, cooling medium circulates in annular water tank I 201 passes sequentially through interface channel I 202 after half-turn and bridge piece I 203 enters
Enter housing unit 8, cooling medium cools down during being circulated in annular water tank I 201 to fore bearing 3；Cooling medium from
After one end of housing unit 8 enters water jacket 804, flowed out after some circles that circulated in water jacket 804 from the other end of housing unit 8,
Cooling medium cools down during being circulated in water jacket 804 to winding 701；Cooling medium leads to after the outflow of housing unit 8
Cross bridge piece II 503 to enter in the annular water tank II 502 inside rear flange component 5, cooling medium is in annular water tank II
Flowed out in 502 after circulation half-turn by interface channel II 501 from water out adapter 4, cooling medium flows in annular water tank II 502
Logical process cools down to rear bearing 6.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system, including to fore bearing（3）The fore bearing cooling cooled down
System, to winding（701）The winding cooling system that is cooled down and to rear bearing（6）The rear bearing cooling system cooled down,
Described fore bearing（3）With rear bearing（6）It is installed in main shaft（7）On, it is characterised in that：The fore bearing cooling system includes
Water supply connector（1）With forward flange component（2）, the forward flange component（2）Inner side be embedded with fore bearing（3）, the forward flange
Component（2）Inside be provided with to the fore bearing（3）The annular water tank I cooled down（201）Be symmetricly set on the annular
Tank I（201）Two interface channels I at both ends（202）, two interface channels I（202）Vertically set and two companies
Connect road I（202）With the annular water tank I（201）It is connected, positioned at the fore bearing（3）The interface channel I at top
（202）With being embedded in forward flange component（2）The water supply connector on top（1）It is connected, positioned at the fore bearing（3）The connection of bottom
Passage I（202）By being arranged on forward flange component（2）The bridge piece I of bottom（203）It is connected with winding cooling system；
Bearing cooling system includes water out adapter after described（4）With rear flange component（5）, the rear flange component（5）Inner side
It is embedded with rear bearing（6）, the rear flange component（5）Be internally provided with to bearing after described（6）The annular water cooled down
Groove II（502）With two interface channels II（501）, two interface channels II（501）Vertically set, and two connections
Passage II（501）With the annular water tank II（502）It is connected, positioned at the rear bearing（6）The interface channel II at top
（501）With being embedded in rear flange component（5）The water out adapter on top（4）It is connected, positioned at the rear bearing（6）The connection of bottom
Passage II（501）By being arranged on rear flange component（5）The bridge piece II of bottom（503）It is connected with winding cooling system；
The winding cooling system includes housing unit（8）With installed in housing unit（8）Internal winding（701）, the shell
Body component（8）Including inner housing（801）And shell body（802）, the inner housing（801）Both ends respectively with the forward flange group
Part（2）With the rear flange component（5）Connection, the inner housing（801）Outer circumference surface be provided with spiral tank（803）, institute
State inner housing（801）, spiral tank（803）And shell body（802）Between surround for cooling medium circulation water jacket（804）.
2. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system according to claim 1, it is characterised in that：The company
Connect bend pipe I（203）Both ends pass through union elbow I respectively（204）With the forward flange component（2）With the winding cooling system
It is connected, the bridge piece II（503）Both ends pass through union elbow II respectively（505）With the rear flange component（5）With
The winding cooling system is connected.
3. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system according to claim 1 or 2, it is characterised in that：Institute
State bridge piece I（203）With the bridge piece II（503）With the water jacket（804）It is connected.
4. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system according to claim 1, it is characterised in that：It is described around
Group（701）With the inner housing（801）Inwall be in contact.
5. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system according to claim 1, it is characterised in that：The ring
Shape tank I（201）One end and two interface channels I（202）It is connected, the annular water tank I（201）The outermost of the other end
It is provided with weld-ring I（205）.
6. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system according to claim 5, it is characterised in that：The weldering
Ring I（205）With the forward flange component（2）Between using being welded to connect.
7. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system according to claim 1, it is characterised in that：The ring
Shape tank II（502）Away from the rear bearing（6）One end communicated with the external world, and the annular water tank II（502）Away from described
Bearing afterwards（6）The outermost of one end be provided with weld-ring II（504）.
8. rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system according to claim 7, it is characterised in that：The weldering
Ring II（504）With the rear flange component（5）Between using being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046235.4A CN107612223A (en) | 2017-10-31 | 2017-10-31 | Rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046235.4A CN107612223A (en) | 2017-10-31 | 2017-10-31 | Rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107612223A true CN107612223A (en) | 2018-01-19 |
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ID=61083913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711046235.4A Pending CN107612223A (en) | 2017-10-31 | 2017-10-31 | Rare-earth permanent-magnetic synchronous electric dynamometer internal water cooling system |
Country Status (1)
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| CN (1) | CN107612223A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536730A (en) * | 2020-03-17 | 2020-08-14 | 南通远辰测控设备有限公司 | Water cooling system for eddy current dynamometer and cleaning method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19757605C2 (en) * | 1997-12-23 | 2003-03-13 | Siemens Ag | Electric motor with cooling |
| CN201118333Y (en) * | 2007-03-26 | 2008-09-17 | 深圳市金奇稀土电机有限公司 | Driving electromotor for water cooling electric car |
| CN204304706U (en) * | 2014-07-28 | 2015-04-29 | 湖南朝阳机电股份有限公司 | With the sand machine processed of full water cooling motor |
| US20150171699A1 (en) * | 2010-06-21 | 2015-06-18 | Nidec Motor Corporation | Electric motor assemblies including stator and/or rotor cooling |
| CN205566014U (en) * | 2016-04-07 | 2016-09-07 | 温岭市宇海机电有限公司 | Electric main shaft of two coolings |
| CN106602796A (en) * | 2016-12-22 | 2017-04-26 | 科德数控股份有限公司 | Water cooling structure for servo motor |
-
2017
- 2017-10-31 CN CN201711046235.4A patent/CN107612223A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19757605C2 (en) * | 1997-12-23 | 2003-03-13 | Siemens Ag | Electric motor with cooling |
| CN201118333Y (en) * | 2007-03-26 | 2008-09-17 | 深圳市金奇稀土电机有限公司 | Driving electromotor for water cooling electric car |
| US20150171699A1 (en) * | 2010-06-21 | 2015-06-18 | Nidec Motor Corporation | Electric motor assemblies including stator and/or rotor cooling |
| CN204304706U (en) * | 2014-07-28 | 2015-04-29 | 湖南朝阳机电股份有限公司 | With the sand machine processed of full water cooling motor |
| CN205566014U (en) * | 2016-04-07 | 2016-09-07 | 温岭市宇海机电有限公司 | Electric main shaft of two coolings |
| CN106602796A (en) * | 2016-12-22 | 2017-04-26 | 科德数控股份有限公司 | Water cooling structure for servo motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536730A (en) * | 2020-03-17 | 2020-08-14 | 南通远辰测控设备有限公司 | Water cooling system for eddy current dynamometer and cleaning method thereof |
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Application publication date: 20180119 |