CN102182711A - Alternating-current permanent magnet synchronous drainage pump with built-in closed cooling water tank - Google Patents
Alternating-current permanent magnet synchronous drainage pump with built-in closed cooling water tank Download PDFInfo
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- CN102182711A CN102182711A CN2011101525198A CN201110152519A CN102182711A CN 102182711 A CN102182711 A CN 102182711A CN 2011101525198 A CN2011101525198 A CN 2011101525198A CN 201110152519 A CN201110152519 A CN 201110152519A CN 102182711 A CN102182711 A CN 102182711A
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Abstract
The invention discloses an alternating-current permanent magnet synchronous drainage pump with a built-in closed cooling water tank, which comprises a motor assembly and a pump structure assembly, wherein the motor assembly comprises a rotor assembly and a stator iron core; the pump structure assembly comprises an impeller and a pump body; the pump body is provided with an impeller cavity for accommodating the impeller, a rotor cavity for accommodating a permanent magnet rotor and a water-cooling cavity for accommodating cooling liquid; the stator iron core is arranged between the water-cooling cavity and the rotor cavity; the water-cooling cavity is provided with an inner cavity wall covered outside the stator iron core and an outer cavity wall used as a pump body shell; bottoms of the inner cavity wall and the outer cavity wall extend in the opposite directions to form the bottom of the water-cooling cavity; the water-cooling cavity is provided with an opening and is sealed by a pump body gland; and the impeller cavity is formed in front of the pump body gland. In the alternating-current permanent magnet synchronous drainage pump, the cooling liquid in the cooling water tank and fluid pumped by a water pump are independent, so that the water quality of the external complete machine can be prevented from being polluted due to the prevention of the pollution of impurity scales in the pumped fluid on the pump body. The cooling water tank is formed by the pump shell, has a compact structure, and is convenient to assemble and maintain.
Description
Technical field
The present invention relates to permanent-magnet synchronous draining pump technical field.
Background technique
Water pump can produce more heat transfer when work, therefore need radiating and cooling.The cooling method of existing permanent-magnet synchronous water pump is to be undertaken by the mode of the stator iron core of motor and the heat radiation of coil surface natural radiation, and radiating effect is limited.Also have by being integrated in to have the water tank iron core heat that leaves of one's own on the pump housing, reach the way of cooling purpose.But this mode since be by work water pump pumps water carry out the cooling of iron core, 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.
Notice of authorization number is CN201197099Y, notice of authorization 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 intake and water outlet, water intake and water tank link, water outlet and water pump connection also are provided with the seal suitable with water-cooling channel, form the water-cooled circulation canal.
Notice of authorization number is CN201588791u, notice of authorization 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.
Notice of authorization number is CN20170868U, notice of authorization 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 cold water circuit cold water road in the radiating seat, water pump cover is provided with two pipelines that communicate with pump chamber, each pipeline is connected with water outlet with the water intake 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 intake that enters the housing pump chamber.
Therefore the cooling water of above-mentioned patent all comes from the water intake 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 structurely, light, carry the pump housing of cooling water tank, can realize oneself's cooling of draining pump motor, 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 technological scheme: a kind of AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank, comprise electric motor assembly and pump structure assembly, electric motor assembly comprises rotor assembly and is wrapped in its outer stator iron core that winding is installed, the pump structure assembly comprises by the impeller of rotor driven and the pump housing, the described pump housing is provided with the impeller cavity that is used to hold described impeller, hold the rotor chamber of described p-m rotor and be used to hold the waterway of cooling liquid, described stator iron core is arranged between described waterway and the described rotor chamber, described waterway has the internal chamber wall that covers at outside the described stator iron core, and the outer chamber wall of serving as pump housing shell, internal chamber wall and outer chamber wall extend to form the bottom of waterway in opposite directions in the bottom, described waterway is provided with an opening, and sealed by a pump housing gland, described pump housing gland the place ahead is provided with described impeller cavity.
Described waterway is opened on described impeller cavity rear, and is sealed by a pump housing gland, and pump housing gland is separated waterway and impeller cavity, and both are not communicated with mutually.
Be sealed with first seal ring between described rotor chamber and the rotor assembly, prevent that cooling liquid from flowing into rotor chamber from waterway.
Be provided with second seal ring between described outer chamber wall and the described pump housing gland, prevent that the pumping fluid in the impeller cavity from flowing in the waterway.
Described internal chamber wall local or all be the heat transfer wall that adopts the good made of heat conduction can rapid biography be walked the heat that stator iron core produces.
Described pump housing gland local or all be the heat transfer wall of the good made of employing heat conduction can be passed to the pumping fluid that covers in the out rotor chamber to the heat of cooling liquid in the waterway by gland rapidly.
The chamber wall of described waterway and pump housing gland adopt plastic materials or the manufacturing of plastics combination metallic material except that heat transfer wall.
Be loaded with cooling liquid in the described waterway, described cooling liquid is water, the aqueous solution or other liquid.
Wherein, the chamber wall of described rotor chamber and waterway is surrounded by the housing self of the pump housing and forms and single injection-molded.
The present invention directly forms cooling water tank on pump case, and cooling water tank is close to outside the stator iron core, the heat that stator iron core in the work is produced reaches the cooling liquid in the cooling water tank rapidly, by the pump housing gland of cooling water tank the heat of cooling liquid is reached the working fluid of pumping again, constantly take away heat by working fluid, reach the purpose of motor radiating cooling, effectively reduced the temperature rise of pump motor.
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 water tank 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 water tank is formed by pump case self, compact structure, assembling, easy to maintenance.
Description of drawings
Fig. 1 is the structural representation of draining pump of the present invention.
Fig. 2 is the STRUCTURE DECOMPOSITION figure of draining pump of the present invention.
Fig. 3 a is bowing to structural representation of draining pump of the present invention.
Fig. 3 b is the A-A sectional drawing of Fig. 3 a.
Fig. 4 a is the schematic representation of wherein a kind of structure of pump housing gland.
Fig. 4 b is the schematic representation of the another kind of structure of pump housing gland.
Fig. 5 is the Facad structure schematic representation of the pump housing of the present invention.
Fig. 6 is the structural representation at the pump housing of the present invention back side.
Wherein, 1 coil, 2 stator iron cores, 3 pump housings, 31 waterway housings, 311 internal chamber walls, outer chamber wall 312,32 rotor chamber housings, 33 impeller cavities, 4 rear bearings, 5 rotors, 6 fore bearings, 7 inner seal rings, 8 exterior seal rings, 9 pump housing glands, 91 pump housing gland outer surfaces, 92 metallic material, 93 plastics, impeller 10
Embodiment:
Shown in Fig. 1～2, be the AC permanent-magnet synchronous draining pump of built-in enclosed cooling water tank of the present invention, this draining pump comprises pump structure assembly and electric motor assembly.
The pump structure assembly comprises the impeller 10 and the pump housing 3.Impeller 10 passes through the transmission shaft interlock in rotor 5; The pump housing 3 inside hold and provide support to electric motor assembly.Electric motor assembly comprises rotor 5, fore bearing 6, the rotor assembly of rear bearing 4 compositions and the stator iron core 2 of U-shaped, and stator iron core 2 is wrapped in outside the rotor 5.The afterbody of stator iron core 2 is arranged with coil 1.
The pump housing 3 is the integral molded plastic moulding, is provided with the impeller cavity 33 that is used to hold described impeller, holds the rotor chamber of rotor assembly and is used to hold the waterway of cooling liquid.Stator iron core 2 is arranged between waterway and the rotor chamber.Waterway has the internal chamber wall 311 that is wrapped in outside the stator iron core 2, and the outer chamber wall 312 of serving as pump housing shell, is the cavity that can hold freezing mixture between internal chamber wall and the outer chamber wall.Waterway is provided with opening, can inject cooling liquid by opening.In this example, opening is positioned at the impeller cavity rear, by a pump housing gland 9 sealings.In order to prevent that the pumping fluid in the impeller cavity from flowing in the waterway, is provided with exterior seal ring 8 between pump housing gland 9 and outer chamber wall 311.Rotor and fore bearing 6 thereof, rear bearing 4 are installed in the rotor chamber, are provided with inner seal ring 7 between fore bearing 6 and the internal chamber wall 311, from waterway, flow in the rotor chamber to prevent cooling liquid.
In order to strengthen heat-transfer effect, internal chamber wall 311 local or all can adopt the good made of heat conduction as aluminium, forms heat transfer wall; In like manner, pump housing gland 9 local or all adopt heat conduction good metal made, remaining part is then by the plastic materials manufacturing, with the heat that as soon as possible stator iron core produced through heat transfer wall---cooling liquid---gland, the fluid that is reached in the impeller cavity by pump housing gland outer surface 91 constantly is pulled away again.Shown in Fig. 4 a, pump housing gland 9 is by metal or plastics manufacturing, and the pump housing gland shown in Fig. 4 b is by metallic material 92 and plastic materials 93 co-manufactured.
Shown in Fig. 5,6, be respectively the front elevation and the back elevation of housing, the external structure of visible rotor chamber housing 32 and waterway housing 31 among the figure.
The tap water that the cooling liquid of splendid attire generally adopts cheapness and easily obtains in the waterway, but also can adopt other cooling liquid, to reach the purpose of strengthening cooling effect.
The pump housing 3 can have multiple shape; promptly fall into protection scope of the present invention as long as be provided with separate be wrapped in stator iron core outer waterway, rotor chamber and impeller cavity; and as for the concrete shape of waterway, rotor chamber and impeller cavity, can be according to the difference of the type of model, size, impeller and the pump of rotor, model and different.
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 technological scheme of the present invention has identical essentiality content.
Claims (8)
1. AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank, comprise electric motor assembly and pump structure assembly, electric motor assembly comprises rotor assembly and is wrapped in its outer stator iron core that winding is installed, the pump structure assembly comprises by the impeller of rotor driven and the pump housing, it is characterized in that: the described pump housing is provided with the impeller cavity that is used to hold described impeller, hold the rotor chamber of described p-m rotor and be used to hold the waterway of cooling liquid, described stator iron core is arranged between described waterway and the described rotor chamber, described waterway has the internal chamber wall that covers at outside the described stator iron core, and the outer chamber wall of serving as pump housing shell, internal chamber wall and outer chamber wall extend to form the bottom of waterway in opposite directions in the bottom, described waterway is provided with an opening, and sealed by a pump housing gland, pump housing gland the place ahead is provided with described impeller cavity.
2. the AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank according to claim 1 is characterized in that: be sealed with first seal ring between described rotor chamber and the rotor assembly.
3. the AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank according to claim 1 is characterized in that: be provided with second seal ring between described outer chamber wall and the described pump housing gland.
4. the AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank according to claim 1 is characterized in that: described internal chamber wall local or all be the heat transfer wall of the good made of employing heat conduction.
5. according to claim 1 or 4 described AC permanent-magnet synchronous draining pumps, it is characterized in that: described pump housing gland local or all be the heat transfer wall of the good made of employing heat conduction with built-in enclosed cooling water tank.
6. the AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank according to claim 5 is characterized in that: the chamber wall of described waterway and pump housing gland adopt plastic materials or the manufacturing of plastics combination metallic material except that heat transfer wall.
7. the AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank according to claim 1 is characterized in that: be loaded with cooling liquid in the described waterway, described cooling liquid is the water or the aqueous solution.
8. the AC permanent-magnet synchronous draining pump with built-in enclosed cooling water tank according to claim 1 is characterized in that: described rotor chamber and waterway are surrounded by the housing self of the pump housing and form and single injection-molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101525198A CN102182711A (en) | 2011-06-08 | 2011-06-08 | Alternating-current permanent magnet synchronous drainage pump with built-in closed cooling water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101525198A CN102182711A (en) | 2011-06-08 | 2011-06-08 | Alternating-current permanent magnet synchronous drainage pump with built-in closed cooling water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102182711A true CN102182711A (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101525198A Pending CN102182711A (en) | 2011-06-08 | 2011-06-08 | Alternating-current permanent magnet synchronous drainage pump with built-in closed cooling water tank |
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| CN (1) | CN102182711A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535127A (en) * | 2011-12-21 | 2012-07-04 | 海尔集团公司 | Condensing clothes drying system and working method thereof |
| CN116792342A (en) * | 2023-08-24 | 2023-09-22 | 广东赛普电器制造有限公司 | Water pump of high-efficient cooling of hydrologic cycle formula |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2480589Y (en) * | 2001-05-28 | 2002-03-06 | 丹东边境经济合作区克隆集团有限公司 | Magnetic pump |
| CN201588791U (en) * | 2009-05-31 | 2010-09-22 | 江门市蓬江区硕泰电器有限公司 | Water-cooled pump |
| CN201650767U (en) * | 2010-04-07 | 2010-11-24 | 福建天工电机有限公司 | Water-cooled centrifugal water pump |
| CN102108966A (en) * | 2011-03-16 | 2011-06-29 | 江门市汉宇电器有限公司 | Permanent magnet synchronous draining pump and a water tank water cooling system |
| CN202091260U (en) * | 2011-06-08 | 2011-12-28 | 江门市地尔汉宇电器股份有限公司 | Alternating current permanent magnet synchronous water discharge pump with built-in closed cooling water tank |
-
2011
- 2011-06-08 CN CN2011101525198A patent/CN102182711A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2480589Y (en) * | 2001-05-28 | 2002-03-06 | 丹东边境经济合作区克隆集团有限公司 | Magnetic pump |
| CN201588791U (en) * | 2009-05-31 | 2010-09-22 | 江门市蓬江区硕泰电器有限公司 | Water-cooled pump |
| CN201650767U (en) * | 2010-04-07 | 2010-11-24 | 福建天工电机有限公司 | Water-cooled centrifugal water pump |
| CN102108966A (en) * | 2011-03-16 | 2011-06-29 | 江门市汉宇电器有限公司 | Permanent magnet synchronous draining pump and a water tank water cooling system |
| CN202091260U (en) * | 2011-06-08 | 2011-12-28 | 江门市地尔汉宇电器股份有限公司 | Alternating current permanent magnet synchronous water discharge pump with built-in closed cooling water tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535127A (en) * | 2011-12-21 | 2012-07-04 | 海尔集团公司 | Condensing clothes drying system and working method thereof |
| CN116792342A (en) * | 2023-08-24 | 2023-09-22 | 广东赛普电器制造有限公司 | Water pump of high-efficient cooling of hydrologic cycle formula |
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Application publication date: 20110914 |