CN102223011A - Water-cooled permanent magnet rotor motor and draining pump - Google Patents
Water-cooled permanent magnet rotor motor and draining pump Download PDFInfo
- Publication number
- CN102223011A CN102223011A CN2011101525179A CN201110152517A CN102223011A CN 102223011 A CN102223011 A CN 102223011A CN 2011101525179 A CN2011101525179 A CN 2011101525179A CN 201110152517 A CN201110152517 A CN 201110152517A CN 102223011 A CN102223011 A CN 102223011A
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- chamber
- water
- rotor
- cooling
- magnet rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a water-cooled permanent magnet rotor motor, which comprises a shell, a rotor component and a stator iron core provided with a winding. The shell is provided with a cooling chamber for accommodating cooling liquid; the cooling chamber consists of a rotor chamber for accommodating the rotor component and a water-cooled chamber coating the stator iron core; and the rotor chamber is communicated with the water-cooled chamber. The cooling chamber is directly formed in the motor shell; the cooling chamber comprises the water-cooled chamber and the rotor chamber, wherein the water-cooled chamber coats the stator iron core, and indirectly cools the stator iron core via the chamber wall; and the rotor chamber accommodates the rotor therein to make the rotor immersed in the cooling liquid; the cooling liquid is made in a flowing state through the rotation of the rotor, so the heat transfer efficiency of the cooling liquid is improved; heat generated by a working coil and the stator iron core is quickly transferred to the cooling liquid; the heat of the cooling liquid is transferred to a pumped working fluid via the rest wall surfaces of the cooling chamber and a gland of a pump body; and the working fluid continuously takes away the heat, so the purpose of cooling the motor is achieved.
Description
Technical field
The present invention relates to the permanent-magnet rotor motor technical field.
Background technology
Permanent-magnet rotor motor is widely used in draining pump and other pumping unit.Coil and stator core can produce a large amount of heats during permanent-magnet rotor motor work, therefore need radiating and cooling.The cooling method of existing permanent-magnet rotor motor mainly contains following three kinds: 1, the mode of stator core by motor and coil surface natural radiation heat radiation is carried out, and radiating effect is limited.2, have the water tank iron core heat that leaves by being integrated in of one's own on the pump housing, reach the way of cooling purpose.But this mode is owing to be the cooling that realizes iron core by the water of when work pumping, be subjected to the influence of impurity in the water of pumping, make the pump housing have residual more impurity, incrustation scale in the water tank of one's own, the pump housing has the rotten water pollution that has caused especially outside complete machine of water long storage time in the water tank of one's own.3, having airtight water cavity on the housing of one's own or add water tank on coil and iron core, cool off by the water in the water tank, this mode is because water can not flow in water tank fast, and it is slow to dispel the heat.
Granted publication number is CN201197099Y, Granted publication day is on February 18th, 2009, denomination of invention is the Chinese utility model patent of " a kind of water-cooling permanent magnet sync pulling motor ", a kind of water-cooling permanent magnet sync pulling motor is disclosed, it is to be fixedly connected with welded cover plate on support, the inner ring of welded cover plate and stator cylindrical interference fit, have water-cooling channel on the welded cover plate, and be provided with water inlet and delivery port, water inlet and water tank link, delivery port and water pump connection also are provided with the seal suitable with water-cooling channel, form the water-cooled circulation canal.
Granted publication number is CN201588791u, Granted publication day is on September 22nd, 2010, denomination of invention discloses a kind of water-cooled pump for the Chinese utility model patent of " a kind of water-cooled pump ", be the water-cooling structure that the conducting pump intake is set in the periphery of rotor, the temperature when utilizing this water-cooling structure to reduce pump working.
Granted publication number is CN20170868U, Granted publication day is on February 2nd, 2011, denomination of invention discloses a kind of water-cooled pump for the Chinese utility model patent of " a kind of water-cooled pump ", be provided with radiating seat, be provided with the cold water road of cold water circulation in the radiating seat, water pump cover is provided with two pipelines that communicate with pump chamber, each pipeline is connected with delivery port with the water inlet in cold water road respectively and communicates, pipeline and cold water road form a water circulation system, and radiating seat or pump cover are provided with the water inlet that enters the housing pump chamber.
Therefore the cooling water of above-mentioned patent all comes from the water inlet of water pump, utilizes the working fluid of pumping itself to finish cooling of pump motor, all has residual more impurity, incrustation scale in the cooling system and even the pump housing, the problem that outside complete machine water quality is polluted.
Summary of the invention
The objective of the invention is to address the above problem, be provided with a kind of simple in structure, light, carry the motor of cooling water tank, can realize the quick heat radiating oneself cooling of motor, checking uses motor of the present invention can lower about 15K than the electric machine temperature rise that does not use water-cooling pattern after tested.Water is independent of the working fluid of water pump institute pumping in the water tank.
In order to reach the foregoing invention purpose, the present invention has adopted following technical scheme: a kind of water-cooled permanent-magnet rotor motor, comprise housing, rotor assembly and the stator core of winding is installed, described housing is provided with the cooling chamber that is used to hold cooling fluid, described cooling chamber is equipped with the rotor chamber of described rotor assembly by inside and is wrapped in the outer waterway of described stator core and constitutes, and described rotor chamber and waterway are interconnected.
Described rotor assembly comprises p-m rotor and armature spindle, be placed in the described rotor chamber, and and the rotor chamber inwall between leave can be for the space of coolant flow, the rotation by rotor drives flowing of cooling fluid, quickens to conduct heat.
Described rotor chamber is provided with for the outwardly directed opening of armature spindle, adopts shaft seal to be tightly connected between the chamber wall of described armature spindle and opening.
Described waterway is provided with the annular opening that is surrounded on the rotor chamber external diameter, and described housing is provided with the housing gland, is plugged in described annular opening, and is tightly connected with sealing ring.
The chamber wall of described waterway comprises and is wrapped in the outer internal chamber wall of described stator core and as the outer chamber wall of housing outer wall, the relative extension with outer chamber wall of internal chamber wall is linked to be the bottom of waterway.
In order to improve heat-transfer effect, described cooling chamber chamber wall local or all be the heat conductive wall of the good made of employing heat conduction.
Described housing gland local or all be the heat conductive wall of the good made of employing heat conduction is to improve the heat-transfer effect of housing gland.
Described cooling liquid is water, the aqueous solution or other liquid.
Described rotor chamber and waterway are formed and single injection-molded by housing self.
A kind of draining pump that uses aforesaid water-cooled permanent-magnet rotor motor comprises aforesaid water-cooled permanent-magnet rotor motor, also comprises impeller assembly.
Electric machine casing of the present invention directly forms cooling chamber, this cooling chamber comprises that being wrapped in stator core is placed in wherein by the chamber wall waterway that realization is cooled off indirectly to stator core and rotor outward, make rotor be immersed in rotor chamber in the cooling fluid, utilize the rotation of rotor to make cooling fluid be in flow regime, thereby quicken the heat transfer efficiency of cooling fluid, the heat that coil and stator core in the work are produced reaches the cooling fluid in the cooling chamber rapidly, all the other walls and pump housing gland by the cooling chamber working fluid that the heat of cooling fluid reached pumping again, constantly take away heat by working fluid, reach purpose, reduced the temperature rise of motor effectively the motor radiating cooling.
Good heat dissipation effect of the present invention, structure realize easily, and feasible process is suitable for production application, have following beneficial effect:
1, the fluid of cooling liquid in the cooling chamber and motor and water pump institute pumping is independent separately, avoids the impurity incrustation scale in the pumping fluid to pollute the pump housing, and then pollutes outside complete machine water quality.
2, cooling chamber is formed by pump case self, compact conformation, assembling, easy to maintenance.
Rotation when 3, utilizing working rotor drives flowing of cooling fluid, strengthens heat exchange effect.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the STRUCTURE DECOMPOSITION figure that the water-cooled permanent-magnet rotor motor of impeller is installed.
Fig. 3 a is bowing to cut-away view of water-cooled permanent-magnet rotor motor of the present invention.
Fig. 3 b is the A-A profile of Fig. 3 a.
Fig. 4 is the Facad structure schematic diagram of electric machine casing, can see the passage that waterway links to each other with rotor chamber among the figure.
Fig. 5 is the structure schematic diagram of electric machine casing.
Fig. 6 is the assembling schematic diagram of electric machine casing and cooling water tank seal.
Fig. 7 is the Facad structure schematic diagram of electric machine casing, can see the another kind of execution mode that waterway is communicated with rotor chamber among the figure.
Wherein, 1 coil, 2 housings, 21 waterwaies, 22 rotor chamber, 23 cooling fluids, 3 rear bearings, 4 p-m rotors, 5 armature spindles, 6 sealing rings, 7 stator cores, 8 fore bearings, 9 housing glands, 10 shaft seals, axle sealed cover 11, impeller 12.
Embodiment:
Shown in Fig. 1～2, for the water-cooled permanent-magnet rotor motor of the present invention of impeller is installed, it comprises housing 2, rotor assembly and is wrapped in the outer stator core that winding is installed 7 of rotor assembly.Housing 2 is provided with the cooling chamber that is used to hold cooling fluid 23, and this cooling chamber is made of rotor chamber 22 and waterway 21, and rotor chamber 22 and waterway 21 be interconnected, and cooling fluid 23 can flow freely in rotor chamber 22 and waterway 21.P-m rotor 4, armature spindle 5 place rotor chamber 22, are immersed in the cooling fluid 23, and the rotation of rotor can drive the coolant flow in the rotor chamber.Shown in Fig. 3 a～3b, waterway 21 is wrapped in outside the stator core, has the internal chamber wall 211 of being close to stator core 7 and the outer chamber wall 212 of serving as the housing outer wall, and internal chamber wall 211 and outer chamber wall be the relative diapire that extends the interlock waterway in the bottom.Internal chamber wall 211 contacts with stator core 7, takes away the heat that stator core 7 produces when work, by cooling fluid stator core is cooled off indirectly.Rotor chamber 22 is provided with opening, can hold armature spindle 5 and stretch out (rotating with drives impeller) forward.The periphery of rotor chamber opening is provided with the annular opening of waterway, and housing gland 9 is plugged in this annular opening, and with sealing ring 6 sealings.Housing gland 9 the place aheads are equipped with by driven off by shaft impeller 12 assemblies such as grade of rotor.As shown in Figure 4, be communicated with by groove 24 between rotor chamber and the waterway.The mode of communicating of rotor chamber and waterway has numerous embodiments, except that shown in Figure 4, also can adopt mode shown in Figure 6 and other connectivity structure.
When machine operation, the heat that coil 1 and stator core 7 produces imports in the cooling fluid by the waterway chamber wall that is in contact with it, and heat is absorbed by the cooling fluid that flows, and all the other the chamber walls by the housing 2 that contacts with cooling fluid and housing gland 9 are led away heat.Because it is mobile that cooling fluid 23 has, heat can be led away fast, makes the machine operation process remain good performance.
In order to strengthen heat-transfer effect, internal chamber wall 211 local or all can adopt the good made of heat conduction as aluminium, forms heat conductive wall; In like manner, housing gland 9 local or all also can adopt heat conduction good metal made, remainder is then by the plastic material manufacturing, with the heat that as soon as possible stator core produced through heat conductive wall---cooling fluid---gland, the fluid that is reached in the impeller cavity by housing gland outer surface 91 constantly is pulled away again.
The running water that the cooling fluid of splendid attire generally adopts cheapness and easily obtains in the cooling chamber, but also can adopt other cooling fluid, to reach the purpose of strengthening cooling effect.
The present invention includes but be not limited to the foregoing description and content shown in the drawings, other all fall within protection scope of the present invention with product structure that technical scheme of the present invention has identical essentiality content.
Claims (10)
1. water-cooled permanent-magnet rotor motor, comprise housing, rotor assembly and the stator core of winding is installed, it is characterized in that: described housing is provided with the cooling chamber that is used to hold cooling fluid, described cooling chamber is equipped with the rotor chamber of described rotor assembly by inside and is wrapped in the outer waterway of described stator core and constitutes, and described rotor chamber and waterway are interconnected.
2. water-cooled permanent-magnet rotor motor according to claim 1 is characterized in that: described rotor assembly comprises p-m rotor and armature spindle, be placed in the described rotor chamber, and and the rotor chamber inwall between leave can be for the space of coolant flow.
3. water-cooled permanent-magnet rotor motor according to claim 2 is characterized in that: described rotor chamber is provided with for the outwardly directed opening of armature spindle, adopts shaft seal to be tightly connected between the chamber wall of described armature spindle and opening.
4. water-cooled permanent-magnet rotor motor according to claim 1 is characterized in that: described waterway is provided with the annular opening that is surrounded on the rotor chamber external diameter, and described housing is provided with the housing gland, is plugged in described annular opening, and is tightly connected with sealing ring.
5. water-cooled permanent-magnet rotor motor according to claim 1, it is characterized in that: the chamber wall of described waterway comprises and is wrapped in the outer internal chamber wall of described stator core and as the outer chamber wall of housing outer wall, the relative extension with outer chamber wall of internal chamber wall is linked to be the bottom of waterway.
6. water-cooled permanent-magnet rotor motor according to claim 1 is characterized in that: described cooling chamber chamber wall local or all be the heat conductive wall of the good made of employing heat conduction.
7. water-cooled permanent-magnet rotor motor according to claim 4 is characterized in that: described housing gland local or all be the heat conductive wall of the good made of employing heat conduction.
8. water-cooled permanent-magnet rotor motor according to claim 1 is characterized in that: described cooling liquid is water, the aqueous solution.
9. water-cooled permanent-magnet rotor motor according to claim 1 is characterized in that: described rotor chamber and waterway are formed and single injection-molded by housing self.
10. the draining pump of use such as the described water-cooled permanent-magnet rotor motor of claim 1～9 is characterized in that: comprise as the described water-cooled permanent-magnet rotor motor of claim 1～9, also comprise impeller assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101525179A CN102223011A (en) | 2011-06-08 | 2011-06-08 | Water-cooled permanent magnet rotor motor and draining pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101525179A CN102223011A (en) | 2011-06-08 | 2011-06-08 | Water-cooled permanent magnet rotor motor and draining pump |
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| Publication Number | Publication Date |
|---|---|
| CN102223011A true CN102223011A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101525179A Pending CN102223011A (en) | 2011-06-08 | 2011-06-08 | Water-cooled permanent magnet rotor motor and draining pump |
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| CN (1) | CN102223011A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014090079A1 (en) * | 2012-12-12 | 2014-06-19 | 江门市地尔汉宇电器股份有限公司 | Ac permanent-magnet drain pump |
| WO2014090078A1 (en) * | 2012-12-12 | 2014-06-19 | 江门市地尔汉宇电器股份有限公司 | Ac permanent-magnet drain pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050012409A1 (en) * | 2003-07-17 | 2005-01-20 | Jeumont S.A. | Device for cooling and electrical machine, in particular a synchronous electrical machine having permanent magnets |
| CN101013836A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Electrical spindle drived by AC permanent magnet synchronous motor |
| JP2008295222A (en) * | 2007-05-25 | 2008-12-04 | Ebara Densan Ltd | Brushless canned motor device |
| CN101425737A (en) * | 2008-12-02 | 2009-05-06 | 江苏大学 | Self-excitation type speed inhibitor having water cooling system |
| CN101917103A (en) * | 2010-07-02 | 2010-12-15 | 浙江蓝翔机电设备制造有限公司 | Permanently-magnetic synchronous heat-stretching roller motor |
| CN201699558U (en) * | 2010-07-02 | 2011-01-05 | 浙江蓝翔机电设备制造有限公司 | Permanent magnet synchronous heat drawing roller motor |
| CN202076877U (en) * | 2011-06-08 | 2011-12-14 | 江门市地尔汉宇电器股份有限公司 | Water-cooled permanent magnetic rotor motor and drainage pump |
-
2011
- 2011-06-08 CN CN2011101525179A patent/CN102223011A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050012409A1 (en) * | 2003-07-17 | 2005-01-20 | Jeumont S.A. | Device for cooling and electrical machine, in particular a synchronous electrical machine having permanent magnets |
| CN101013836A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Electrical spindle drived by AC permanent magnet synchronous motor |
| JP2008295222A (en) * | 2007-05-25 | 2008-12-04 | Ebara Densan Ltd | Brushless canned motor device |
| CN101425737A (en) * | 2008-12-02 | 2009-05-06 | 江苏大学 | Self-excitation type speed inhibitor having water cooling system |
| CN101917103A (en) * | 2010-07-02 | 2010-12-15 | 浙江蓝翔机电设备制造有限公司 | Permanently-magnetic synchronous heat-stretching roller motor |
| CN201699558U (en) * | 2010-07-02 | 2011-01-05 | 浙江蓝翔机电设备制造有限公司 | Permanent magnet synchronous heat drawing roller motor |
| CN202076877U (en) * | 2011-06-08 | 2011-12-14 | 江门市地尔汉宇电器股份有限公司 | Water-cooled permanent magnetic rotor motor and drainage pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014090079A1 (en) * | 2012-12-12 | 2014-06-19 | 江门市地尔汉宇电器股份有限公司 | Ac permanent-magnet drain pump |
| WO2014090078A1 (en) * | 2012-12-12 | 2014-06-19 | 江门市地尔汉宇电器股份有限公司 | Ac permanent-magnet drain pump |
| EP2933493A4 (en) * | 2012-12-12 | 2016-08-31 | Jiangmen Idear Hanyu Elec Jsc | Ac permanent-magnet drain pump |
| CN104822944B (en) * | 2012-12-12 | 2017-04-12 | 江门市地尔汉宇电器股份有限公司 | AC permanent-magnet drain pump |
| CN104854349B (en) * | 2012-12-12 | 2017-07-28 | 江门市地尔汉宇电器股份有限公司 | AC permanent-magnet draining pump |
| US10151328B2 (en) | 2012-12-12 | 2018-12-11 | Jangmen Idear Hanyu Electrical Joint-Stock Co., Ltd. | Alternating-current permanent magnet draining pump |
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Application publication date: 20111019 |