CN109378940A - Inner stator Water cooling device for motor and water-cooling method - Google Patents

Inner stator Water cooling device for motor and water-cooling method Download PDF

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Publication number
CN109378940A
CN109378940A CN201811408252.2A CN201811408252A CN109378940A CN 109378940 A CN109378940 A CN 109378940A CN 201811408252 A CN201811408252 A CN 201811408252A CN 109378940 A CN109378940 A CN 109378940A
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CN
China
Prior art keywords
water
pipe
support
blind hole
motor
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Pending
Application number
CN201811408252.2A
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Chinese (zh)
Inventor
李莹
陈英姿
李建军
李东
刘辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Newstar Electric Motor Co Ltd
Original Assignee
Hebei Newstar Electric Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Newstar Electric Motor Co Ltd filed Critical Hebei Newstar Electric Motor Co Ltd
Priority to CN201811408252.2A priority Critical patent/CN109378940A/en
Publication of CN109378940A publication Critical patent/CN109378940A/en
Priority to CN201910284841.2A priority patent/CN109842243B/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/197Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The present invention relates to a kind of inner stator Water cooling device for motor, including water cooled components and shaft assembly, the water cooled components include the first support, the second support, the first water pipe, the second water pipe, water inlet pipe;The shaft assembly includes main shaft, outer cover plate, end plate.The invention further relates to a kind of cooling means of default sub-motor, comprising the following steps: connect the water inlet on the first support with extraneous cold water input terminal, the water outlet on the first support is connect with extraneous cold water output end;Cold water enters water inlet, followed by the first blind hole, the first water pipe, the second support, water inlet pipe and the second water pipe, then out of, the second water pipe flows out into outer cover plate and end plate forms closed cavity;Cold water enters outlet pipe, followed by main shaft and the second blind hole, then from water outlet flows out into cold water output end, realizes water cooling cycle process.Water-cooling apparatus and cooling means of the invention, versatile, at low cost, high production efficiency, good heat dissipation effect.

Description

Inner stator Water cooling device for motor and water-cooling method
Technical field
The invention belongs to technical field of motor manufacture, and in particular to a kind of inner stator Water cooling device for motor and water cooling side Method.
Background technique
Motor is divided into outer stator structure and default minor structure by the position of stator, and most of industrial motor uses at present Be stator on the outside, rotor is in the structure of inside, and default sub-motor mentioned in the present invention and conventional structure are on the contrary, stator exists Interior, rotor is outside.It is understood that the loss of electric machine includes copper loss, iron loss, stray loss etc., wherein copper loss and most iron loss position In stator side, the heat dissipation area that default minor structure has resulted in stator is small compared with outer stator structure, and heat in motor is made to be not easy to shed, So that heat is assembled in motor, cause motor temperature rise excessively high, or even burn.
Air cooling way and water-cooling pattern can be used in cooling for inner stator structural electromotor, and water-cooling structure is generally used in axis The mode of centre punching, generally there is two kinds of modes, single-ended Inlet and outlet water or two end Inlet and outlet waters.Two end Inlet and outlet waters i.e. from one end into The lead wire of water, one end water outlet, motor will be drawn from water inlet end or water outlet, can thus be had one end axis and be made a call to two holes Problem, and be eccentric orfice, this considerably increases the difficulty of punching, once and the hole of lead wire and the hole in water route due to punching Deviation is punched, and the danger for burning coil is entered inside motor there are cooling water.Single-ended Inlet and outlet water, i.e. inflow and outflow use pipeline It draws, it is big that there are centre bores, and the problem or inlet and outlet pipes being not suitable for when thinner to motor shaft are too thin, and flow is small, heat dissipation effect The problem of difference.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention provides a kind of inner stator Water cooling device for motor and water cooling side Method, it is intended that the water-cooling apparatus provided has structure simple, versatile, at low cost, high production efficiency, heat dissipation effect The good advantage of fruit.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of inner stator Water cooling device for motor, including water cooled components and shaft assembly, the water cooled components include the One support, the second support, the first water pipe, the second water pipe, water inlet pipe, first water pipe setting first support with it is described Between second support, the water inlet pipe is arranged on second support, and second water pipe is connect with the water inlet pipe;It is described Shaft assembly includes main shaft, outer cover plate, end plate, and the stator interior is formed closed cavity by the outer cover plate and end plate.
Preferably, radial inlet and outlet are set on first support;Axis is set on first support To the first blind hole and the second blind hole;Axial third blind hole is set on second support.
In any of the above-described scheme preferably, first water pipe and first blind hole and the third blind hole connect It connects.
In any of the above-described scheme preferably, the water inlet is connected to first blind hole;The water outlet and institute State the connection of the second blind hole;The water inlet pipe is connected to the third blind hole.
In any of the above-described scheme preferably, elbow is set between second water pipe and the water inlet pipe.
In any of the above-described scheme preferably, one end of the main shaft, first water is arranged in first support The inside of the main shaft is arranged in pipe and second support.
In any of the above-described scheme preferably, the main shaft is uniformly arranged several auxiliary plates radially outside;It is described Cavity is divided into several small cavitys by auxiliary plate.
In any of the above-described scheme preferably, the setting outlet pipe radially outside of the main shaft;The outlet pipe position Between the auxiliary plate and the end plate in left side, the outlet pipe is connected to second blind hole.
In any of the above-described scheme preferably, the top of the outlet pipe is extended upwardly to close to the top of cavity.
The present invention also provides a kind of water-cooling methods of default sub-motor, use default sub-motor described in any of the above embodiments Water-cooling apparatus, according to sequencing the following steps are included:
Water-cooling apparatus is mounted on inside the main shaft on stator by step 1, then checks the airtightness of water-cooling apparatus;
Water inlet on first support is connect, by the water outlet on the first support by step 2 with extraneous cold water input terminal Mouth is connect with extraneous cold water output end;
Step 3, cold water enter water inlet from cold water input terminal, followed by the first blind hole, the first water pipe, the second support, Water inlet pipe and the second water pipe, then out of, the second water pipe flows out into outer cover plate and end plate forms closed cavity;
Step 4, when the intracorporal cold water liquid level of closing chamber is higher than outlet pipe, cold water enters outlet pipe, followed by main shaft With the second blind hole, cold water output end then is flowed out into from water outlet, the water cooling that default sub-motor can be realized is circulated throughout Journey;
Compared with prior art, inner stator Water cooling device for motor and water-cooling method provided by the invention have with following Beneficial effect:
1, by the setting of water cooling component and shaft assembly, the inside of stator is formed a closed cavity, water cooling by shaft assembly Component is connected to cavity, to realize the cooling circulatory function of the water of default sub-motor, good heat dissipation effect, water cooling component be can be used as Standard component, and the 4th blind hole on main shaft is made into the hole of same specification, it is suitably mounted on the main shaft of a variety of different sizes, It realizes the cooling heat sinking function to the default sub-motor of different size, while also improving production efficiency in production;
2, by the upper end by the top setting of outlet pipe in the cavity, can make to keep water to expire state in cavity, it is cooling Effect is good, and can avoid feeling suffocated in closed cavity, causes the problem of recycling unsmooth and local temperature overheating;
3, inlet and outlet are arranged on the first support, avoid inflow and outflow that from need to existing using two water pipe settings There is a problem of that spindle hole is big in main shaft, suitable for the motor shaft of any diameter, also avoids making because motor shaft is meticulous The inlet and outlet pipes being arranged in motor shaft are meticulous, to cause that flow is small and lead to the problem of heat dissipation effect difference.
Detailed description of the invention
Fig. 1 is the overall structure diagram of a preferred embodiment of inner stator Water cooling device for motor according to the invention;
Fig. 2 is the flow direction schematic diagram in embodiment illustrated in fig. 1 in water cooled components and shaft assembly;
Fig. 3 is the cross-sectional view in the direction A-A of embodiment illustrated in fig. 2.
Explanation: 1, the first support is marked in figure;2, water inlet;3, the first blind hole;4, the second blind hole;5, water outlet;6, main Axis;7, the first water pipe;8, the second support;9, third blind hole;10, outer cover plate;11, water inlet pipe;12, elbow;13, the second water pipe; 14, end plate;15, stator coil;16, stator core;17, the 4th blind hole;18, outlet pipe;19, auxiliary plate.
Specific embodiment
In order to be further understood that summary of the invention of the invention, the present invention is elaborated below in conjunction with specific embodiment.
As shown in Figure 1-3, an embodiment of inner stator Water cooling device for motor according to the invention and water-cooling method, it should Cooling device includes stator, and the stator interior includes water cooled components and shaft assembly, and the stator includes 16 He of stator core Stator coil 15, the water cooled components include the first support 1, the second support 8, the first water pipe 7, the second water pipe 13, water inlet pipe 11, first water pipe 7 is arranged between first support 1 and second support 8, and the water inlet pipe 11 is arranged described On second support 8, second water pipe 13 is connect with the water inlet pipe 11;The shaft assembly includes main shaft 6, outer cover plate 10, end The stator interior is formed closed cavity by plate 14, the outer cover plate 10 and end plate 14, and the first water pipe is stainless steel waterpipe.
Radial water inlet 2 and water outlet 5 are set on first support 1;Axial is set on first support 1 One blind hole 3 and the second blind hole 4;Axial third blind hole 9 is set on second support 8.
First water pipe 7 is connect with first blind hole 3 and the third blind hole 9, can be to be fixedly connected, for example weld Connect or the first blind hole and third blind hole in internal screw thread is set, the first water pipe respectively with the first blind hole 3 and the blind threaded company of third Realization is connect to fix.
The water inlet 2 is connected to first blind hole 3;The water outlet 5 is connected to second blind hole 4;It is described into Water pipe 11 is connected to the third blind hole 9.The open end of the water inlet 2 and water outlet 5 is in backwards to setting.
Elbow 12 is set between second water pipe 13 and the water inlet pipe 11.
One end of the main shaft 6 is arranged in first support 1, and first water pipe 7 and second support 8 setting exist The inside of the main shaft 6, the main shaft 6 fix the 4th blind hole 17 of one end setting axial direction of the first support 1, first water pipe 7 and second support 8 be arranged in the 4th blind hole 17.The first radial mounting hole of the bottom setting of the main shaft, described the One mounting hole is connected to the 4th blind hole, and one end of the water inlet pipe 11 passes through the first mounting hole and puts in the 4th blind hole 17 with the Third blind hole 9 on two supports 8 is connected to, and water inlet pipe 11, the first support are to be fixedly connected, for example weld with main shaft 6, are avoided Leak.
The main shaft 6 is uniformly arranged several auxiliary plates 19 radially outside;Cavity is divided into several by the auxiliary plate 19 Small cavity, auxiliary plate play a supporting role to outer cover plate.
The outlet pipe of setting radially outside 18 of the main shaft 6;The outlet pipe 18 is located at the auxiliary plate 19 and left side Between end plate 14, the second radial mounting hole of the top setting of the main shaft, the outlet pipe 18 passes through the second mounting hole and stretches It is connected in into the 4th blind hole 17 with second blind hole 4, the outlet pipe 18 is with the water inlet pipe 11 in 180 ° backwards to setting, institute The top that outlet pipe is located at second water pipe is stated, and outlet pipe 18, the second water pipe 13, water inlet pipe 11 are respectively provided in the cavity. Outlet pipe 18 can be welded to connect with main shaft 6, prevent the junction leak of outlet pipe 18 Yu main shaft 6.
The top of the outlet pipe 18 is arranged close to the top of cavity.First support 1 and the second support 8 are cylinder Shape structure, the axis of first support 1 is vertical with the axis of second support 8, the axis of first support 1 with it is described The axis of fixing axle is overlapped.
The present embodiment also provides a kind of water-cooling method of default sub-motor, according to sequencing the following steps are included:
Water-cooling apparatus is mounted on inside the main shaft on stator by step 1, then checks the airtightness of water-cooling apparatus;
Water inlet on first support is connect, by the water outlet on the first support by step 2 with extraneous cold water input terminal Mouth is connect with extraneous cold water output end;
Step 3, cold water enter water inlet from cold water input terminal, followed by the first blind hole, the first water pipe, the second support, Water inlet pipe and the second water pipe, then out of, the second water pipe flows out into outer cover plate and end plate forms closed cavity;
Step 4, when the intracorporal cold water liquid level of closing chamber is higher than outlet pipe, cold water enters outlet pipe, followed by main shaft With the second blind hole, cold water output end then is flowed out into from water outlet, the water cooling that default sub-motor can be realized is circulated throughout Journey;The water-cooling apparatus is the inner stator Water cooling device for motor of the present embodiment.
The working principle of the present embodiment: cold water enters water inlet 2 from cold water input terminal, followed by the first blind hole 3, first Water pipe 7, the second support 8, water inlet pipe 11 and the second water pipe 13, then flow out into outer cover plate 10 and end plate from the second water pipe 13 In the closed cavity of 14 compositions and it is full of cavity, when the intracorporal cold water liquid level of closing chamber is higher than outlet pipe 18, cold water enters Then water pipe 18 flows out into cold water output from water outlet 5 followed by the 4th blind hole and the second blind hole 4 inside main shaft 6 The cooling circulatory function of water of default sub-motor can be realized in end.
Compared with prior art, the present embodiment has the advantages that
1, by the setting of water cooling component and shaft assembly, the inside of stator is formed a closed cavity, water cooling by shaft assembly Component is connected to cavity, to realize the cooling circulatory function of the water of default sub-motor, good heat dissipation effect, water cooling component be can be used as Standard component, and the 4th blind hole on main shaft is made into the hole of same specification, it is suitably mounted on the main shaft of a variety of different sizes, It realizes the cooling heat sinking function to the default sub-motor of different size, while also improving production efficiency in production;
2, by the upper end by the top setting of outlet pipe in the cavity, can make to keep water to expire state in cavity, it is cooling Effect is good, and can avoid feeling suffocated in closed cavity, causes the problem of recycling unsmooth and local temperature overheating;
3, inlet and outlet are arranged on the first support, avoid inflow and outflow that from need to existing using two water pipe settings There is a problem of that spindle hole is big in main shaft, suitable for the motor shaft of any diameter, also avoids making because motor shaft is meticulous The inlet and outlet pipes being arranged in motor shaft are meticulous, to cause that flow is small and lead to the problem of heat dissipation effect difference.
It will be apparent to those skilled in the art that inner stator Water cooling device for motor of the invention and water-cooling method include upper State description of the invention summary of the invention and specific embodiment part and attached drawing shown by each section any combination, limit It is described one by one in length and for each scheme for keeping specification concise without constituting these combinations.It is all in spirit of the invention and Within principle, any modification, equivalent substitution, improvement and etc. done be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of inner stator Water cooling device for motor, including stator, the stator interior includes water cooled components and shaft assembly, Be characterized in that: the water cooled components include the first support, the second support, the first water pipe, the second water pipe, water inlet pipe, and described the One water pipe is arranged between first support and second support, and the water inlet pipe is arranged on second support, institute The second water pipe is stated to connect with the water inlet pipe;The shaft assembly includes main shaft, outer cover plate, end plate, and the outer cover plate and end plate will The stator interior forms closed cavity.
2. inner stator Water cooling device for motor according to claim 1, it is characterised in that: diameter is arranged on first support To inlet and outlet;Axial the first blind hole and the second blind hole are set on first support;On second support Axial third blind hole is set.
3. inner stator Water cooling device for motor according to claim 2, it is characterised in that: first water pipe and described the One blind hole is connected with the third blind hole.
4. inner stator Water cooling device for motor according to claim 3, it is characterised in that: the water inlet and described first Blind hole connection;The water outlet is connected to second blind hole;The water inlet pipe is connected to the third blind hole.
5. inner stator Water cooling device for motor according to claim 1, it is characterised in that: second water pipe and it is described into Elbow is set between water pipe.
6. inner stator Water cooling device for motor according to claim 1, it is characterised in that: first support is arranged in institute One end of main shaft is stated, the inside of the main shaft is arranged in first water pipe and second support.
7. inner stator Water cooling device for motor according to claim 6, it is characterised in that: the main shaft is radially outside It is uniformly arranged several auxiliary plates;Cavity is divided into several small cavitys by the auxiliary plate.
8. inner stator Water cooling device for motor according to claim 7, it is characterised in that: the main shaft is radially outside Outlet pipe is set;Between the auxiliary plate and the end plate in left side, the outlet pipe and second blind hole connect the outlet pipe It is logical.
9. inner stator Water cooling device for motor according to claim 8, it is characterised in that: the top of the outlet pipe is upward Extend close to the top of cavity.
10. a kind of water-cooling method of default sub-motor, according to sequencing the following steps are included:
Water-cooling apparatus is mounted on inside the main shaft on stator by step 1, then checks the airtightness of water-cooling apparatus;
Water inlet on first support connect by step 2 with extraneous cold water input terminal, by the first support water outlet and Extraneous cold water output end connection;
Step 3, cold water enter water inlet from cold water input terminal, followed by the first blind hole, the first water pipe, the second support, water inlet Pipe and the second water pipe, then out of, the second water pipe flows out into outer cover plate and end plate forms closed cavity;
Step 4, when the intracorporal cold water liquid level of closing chamber is higher than outlet pipe, cold water enters outlet pipe, followed by main shaft and the Then two blind holes flow out into cold water output end from water outlet, the water cooling cycle process of default sub-motor can be realized;
The water-cooling apparatus is inner stator Water cooling device for motor of any of claims 1-9.
CN201811408252.2A 2018-11-23 2018-11-23 Inner stator Water cooling device for motor and water-cooling method Pending CN109378940A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811408252.2A CN109378940A (en) 2018-11-23 2018-11-23 Inner stator Water cooling device for motor and water-cooling method
CN201910284841.2A CN109842243B (en) 2018-11-23 2019-04-10 Inner stator motor cooling device, motor and inner stator motor cooling method

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Application Number Priority Date Filing Date Title
CN201811408252.2A CN109378940A (en) 2018-11-23 2018-11-23 Inner stator Water cooling device for motor and water-cooling method

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Publication Number Publication Date
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CN201811408252.2A Pending CN109378940A (en) 2018-11-23 2018-11-23 Inner stator Water cooling device for motor and water-cooling method
CN201910284841.2A Active CN109842243B (en) 2018-11-23 2019-04-10 Inner stator motor cooling device, motor and inner stator motor cooling method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111740545B (en) * 2020-08-26 2020-11-27 江苏嘉轩智能工业科技股份有限公司 Air-water cooling hybrid cooling's permanent magnetism cylinder

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003092857A (en) * 2001-09-20 2003-03-28 Hitachi Ltd Microgasturbine generator
CN202818007U (en) * 2012-09-29 2013-03-20 夏致俊 High-temperature rotor water circulating cooling device
CN106662255B (en) * 2014-09-30 2019-02-05 西门子公司 The cooling motor of liquid
CN204681184U (en) * 2015-05-27 2015-09-30 博深工具股份有限公司 Rotor water-cooling structure
CN206135632U (en) * 2016-05-24 2017-04-26 徐州曼特电子有限公司 Motor cooling system
CN206211770U (en) * 2016-09-13 2017-05-31 南京纳帝机电技术有限公司 A kind of cooling devcie of motor
CN206237252U (en) * 2016-10-27 2017-06-09 蔚来汽车有限公司 For the water-cooling structure of rotor
CN206383366U (en) * 2016-12-28 2017-08-08 汕头市金田塑业有限公司 A kind of double water inlets pair go out water chill rolls

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Application publication date: 20190222