CN114645853A - Intelligent cooling permanent magnet variable frequency pump - Google Patents
Intelligent cooling permanent magnet variable frequency pump Download PDFInfo
- Publication number
- CN114645853A CN114645853A CN202210275447.4A CN202210275447A CN114645853A CN 114645853 A CN114645853 A CN 114645853A CN 202210275447 A CN202210275447 A CN 202210275447A CN 114645853 A CN114645853 A CN 114645853A
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- Prior art keywords
- cooling
- permanent magnet
- variable frequency
- cavity
- water
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- 238000001816 cooling Methods 0.000 title claims abstract description 120
- 239000012809 cooling fluid Substances 0.000 claims abstract description 31
- 238000004146 energy storage Methods 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 239000000498 cooling water Substances 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000005389 magnetism Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Images
Classifications
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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
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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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
Landscapes
- 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)
Abstract
The invention discloses an intelligent cooling permanent magnet variable frequency pump, and belongs to the field of permanent magnet variable frequency pumps. An intelligent cooling permanent magnet variable frequency pump comprises a pump body, a centralized cooling element and a circulating cooling element; the centralized cooling element and the circulating cooling element are both arranged in the pump body, a power element and a bearing element are arranged in the pump body, the power element drives the pump main shaft to rotate, and the bearing element is rotationally connected with the pump main shaft; the concentrated cooling element is arranged on the peripheral side of the power element and comprises a cooling part, a pressure control part and an energy storage part; this scheme has set up concentrated cooling element and circulative cooling component, corresponds the cooling of permanent magnet variable frequency motor and bearing respectively, concentrates cooling element and can impound cooling fluid, then carries out the cooling heat absorption of strenghthened type to permanent magnet variable frequency motor's position, and circulative cooling component is the circumference department that cyclic annular located the bearing simultaneously, can be comprehensive cools off the bearing.
Description
Technical Field
The invention belongs to the field of permanent magnet variable frequency pumps, and particularly relates to an intelligent cooling permanent magnet variable frequency pump.
Background
The permanent magnet variable frequency pump comprises a pump body and a permanent magnet variable frequency motor, the rotating speed of the motor is changed according to the requirement of the working condition, the working condition of the pump is adjusted by the rotating speed of the motor, and the permanent magnet variable frequency pump is actually a pump driven by the permanent magnet variable frequency motor.
Permanent magnet inverter motor driven pump generally all can have the higher phenomenon of temperature, influence permanent magnet inverter motor's work efficiency easily, consequently generally all can be provided with the wind power device that normally opens in permanent magnet inverter motor's one end and dispel the heat, but the effectual cooling area of wind power device is not big, and can't relate to some dead angles that easily generate heat and cool off, especially sealed departments such as bearings, it is very difficult to accomplish the cooling, and when permanent magnet inverter motor long-time use, the temperature is difficult to descend fast, conventional cooling water flows and takes away the heat often cooling effect not enough, consequently, need carry out the cooling of high strength to easily generating heat the district, consequently, need one kind can be intelligent carry out refrigerated permanent magnet inverter pump to easily generating heat the district.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent cooling permanent magnet variable frequency pump which is provided with a centralized cooling element and a circulating cooling element, wherein the centralized cooling element can store cooling fluid and then carry out enhanced cooling and heat absorption on the position of a permanent magnet variable frequency motor, and meanwhile, the circulating cooling element is annularly arranged at the circumference of a bearing and can comprehensively cool the bearing.
The invention discloses an intelligent cooling permanent magnet variable frequency pump, which comprises a pump body, a centralized cooling element and a circulating cooling element, wherein the pump body is provided with a cooling cavity;
the centralized cooling element and the circulating cooling element are both arranged in the pump body, a power element and a bearing element are arranged in the pump body, the power element drives the pump main shaft to rotate, and the bearing element is rotationally connected with the pump main shaft;
the centralized cooling element is arranged on the peripheral side of the power element and comprises a cooling part, a pressure control part and an energy storage part, the cooling part is positioned on one side close to the power element, cooling fluid flows in the cooling part, the energy storage part is communicated with the cooling part, the pressure control part is arranged at the flowing part of the cooling part, and the pressure control part controls the cooling fluid to flow to the energy storage part under the condition that the pressure threshold value is not exceeded;
the circulating cooling element comprises a plurality of guide parts, and the guide directions of the plurality of guide parts are clockwise or anticlockwise.
As a further improvement of the invention, the cooling fluid inlet of the cooling part is positioned at one end of the pump body, the cooling fluid outlet of the cooling part is positioned at the other end of the pump body, and the centralized cooling component is circumferentially arrayed in a plurality by taking the power element as a center.
As a further improvement of the invention, the cooling part comprises a cooling water channel, the water inlet comprises a water channel inlet, the water channel inlet is communicated with the cooling water channel, the water outlet comprises a water channel outlet, the water channel outlet is communicated with the cooling water channel, and the part of the cooling water channel positioned on the peripheral side of the power element is the part closest to the power element.
As a further improvement of the invention, the pressure control part comprises a pressure valve, the pressure valve is arranged in the cooling water channel, and the pressure valve is positioned on one side of the energy storage part close to the outlet of the water channel.
As a further improvement of the invention, the energy storage part comprises a push plate, the side wall of the cooling water channel is communicated with a water storage cavity, the push plate is in sliding connection with the side wall of the water storage cavity, the water storage cavity is positioned on the periphery of the power element, a thrust spring is fixedly arranged on the side wall of the water storage cavity, one end of the thrust spring is fixedly connected with the push plate, and the thrust of the thrust spring cannot push the pressure valve to open.
As a further improvement of the invention, the circulating cooling element comprises a bent water path, the bent water path is a bent part of the cooling water path, one end of the bent water path is one side close to the bearing element, one end of the bent water path close to the bearing element is communicated with a circulation cavity, the top side of the circulation cavity is communicated with a cooling ring cavity, the cooling ring cavity is annular and is positioned on the peripheral side of the bearing element, a rolling ball is arranged in the cooling ring cavity in a sliding manner, and a temperature sensing device is fixedly arranged in the rolling ball.
As a further improvement of the invention, the guide part comprises a guide plate, a through guide hole is arranged in the guide plate, the diameter of the guide hole is smaller than that of the rolling ball, the guide hole is inclined, and the inclination direction of each guide hole is clockwise or anticlockwise.
As a further improvement of the invention, an impeller cavity and a motor cavity are arranged in the pump body, the pump main shaft comprises a power shaft, the impeller cavity and the motor cavity are penetrated by the power shaft, a power element is fixedly arranged in the motor cavity, the power element is respectively and fixedly connected with the side wall of the motor cavity and the power shaft, the impeller cavity is positioned at one side of the motor cavity, and an impeller is fixedly arranged on the outer circular surface of one end of the power shaft, which is positioned in the impeller cavity.
As a further improvement of the invention, the bearing element comprises an auxiliary bearing and a main bearing, the main bearing is positioned at one end close to the waterway inlet, the cooling ring cavity is positioned at the periphery of the main bearing, the auxiliary bearing is positioned at one side close to the waterway outlet, one side of each cooling waterway close to the waterway outlet is communicated, one side of each cooling waterway close to the waterway outlet is simultaneously close to the auxiliary bearing, one end of the pump body, provided with the waterway inlet, is fixedly provided with a water inlet bolt, the top end of the pump body is fixedly provided with a water outlet bolt, and the water inlet bolt and the water outlet bolt are both communicated with the impeller cavity.
Compared with the prior art, the invention has the advantages that:
(1) this scheme has set up concentrated cooling element and circulative cooling component, correspond the cooling of permanent magnet variable frequency motor and bearing respectively, concentrate cooling element and can carry out the retaining to cooling fluid, then carry out the cooling heat absorption of strenghthened type to permanent magnet variable frequency motor's position, circulative cooling component is the circumference department that cyclic annular located the bearing simultaneously, can be comprehensive cool off the bearing, and set up the deflector in the circulative cooling component, the deflector makes cooling fluid carry out circulation flow towards an orientation all the time, cool off the bearing with stable efficient.
(2) This scheme is through the cooperation of thrust spring promotion push pedal to and the setting of pressure valve, when carrying out the retaining, the pressure valve restriction fluid flow, thereby make fluid promotion push pedal compression spring, in order to save cooling fluid, open the back at the great pressure valve of water pressure simultaneously, the thrust of spring promotes the push pedal and slides, thereby can extrude the fluid and discharge, promotes fluidic discharge, thereby makes fluid circulation quicker, and the cooling effect obtains further promotion.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at A-A;
FIG. 4 is an enlarged view of the structure of B in FIG. 2;
fig. 5 is an enlarged view of the structure C of fig. 3.
The reference numbers in the figures illustrate:
11. a pump body; 12. an impeller cavity; 13. an impeller; 14. a water inlet plug; 15. water outlet plug; 16. a cooling water path; 17. a motor cavity; 18. a power shaft; 19. a permanent magnet variable frequency motor; 20. bending the waterway; 21. a water storage cavity; 22. pushing the plate; 23. a thrust spring; 24. a pressure valve; 25. a secondary bearing; 26. a waterway outlet; 27. a waterway inlet; 28. a main bearing; 29. a flow-through chamber; 30. a guide plate; 31. cooling the ring cavity; 32. a rolling ball; 33. and (4) a guide hole.
Detailed Description
The first embodiment is as follows: referring to fig. 1-5, an intelligent cooling permanent magnet variable frequency pump includes a pump body 11, a centralized cooling element and a circulating cooling element;
the centralized cooling element and the circulating cooling element are both arranged in the pump body 11, a power element and a bearing element are arranged in the pump body 11, the power element drives the pump spindle to rotate, and the bearing element is rotationally connected with the pump spindle;
the centralized cooling element is arranged on the peripheral side of the power element and comprises a cooling part, a pressure control part and an energy storage part, the cooling part is positioned on one side close to the power element, cooling fluid flows in the cooling part, the energy storage part is communicated with the cooling part, the pressure control part is arranged at the flowing part of the cooling part, and the pressure control part controls the cooling fluid to flow to the energy storage part under the condition that the pressure threshold value is not exceeded; the cooling fluid inlet of the cooling part is positioned at one end of the pump body 11, the cooling fluid outlet of the cooling part is positioned at the other end of the pump body 11, and a plurality of centralized cooling components are arranged in a circumferential array by taking the power element as a center. The cooling portion comprises a cooling water path 16, the water inlet comprises a water path inlet 27, the water path inlet 27 is communicated with the cooling water path 16, the water outlet comprises a water path outlet 26, the water path outlet 26 is communicated with the cooling water path 16, and the part of the cooling water path 16 on the peripheral side of the power element is the part closest to the power element. The pressure control part comprises a pressure valve 24, the pressure valve 24 is arranged in the cooling water circuit 16, and the pressure valve 24 is positioned on one side of the energy storage part close to a water circuit outlet 26. The energy storage part comprises a push plate 22, a water storage cavity 21 is communicated with the side wall of the cooling water channel 16, the push plate 22 is in sliding connection with the side wall of the water storage cavity 21, the water storage cavity 21 is located on the periphery of the power element, a thrust spring 23 is fixedly arranged on the side wall of the water storage cavity 21, one end of the thrust spring 23 is fixedly connected with the push plate 22, and the thrust of the thrust spring 23 cannot push the pressure valve 24 to be opened.
When the permanent magnet variable frequency motor 19 is started to drive the power shaft 18 to rotate, the permanent magnet variable frequency motor 19, the auxiliary bearing 25 and the main bearing 28 are operated for a long time, which is easy to cause high temperature, so that cooling fluid needs to be injected from the water channel inlet 27 from the outside to flow into the cooling water channel 16, the cooling fluid flows in the cooling water channel 16 and firstly enters the bent water channel 20, then a part of the cooling fluid enters the circulation cavity 29, the other part of the cooling fluid continuously flows to flow to one side of the water storage cavity 21, at the moment, the pressure valve 24 is in a closed state, so that the cooling water channel 16 is sealed, meanwhile, the cooling fluid is accumulated in the cooling water channel 16 and the water storage cavity 21, the push plate 22 is driven to slide in the water storage cavity 21 by overcoming the thrust of the thrust spring 23, and then a large amount of cooling fluid is accumulated in the water storage cavity 21, at the moment, the volume of the cooling fluid in the water storage cavity 21 is large, therefore, the permanent magnet variable frequency motor 19 can be cooled well, when the thrust spring 23 is compressed to the limit, the fluid pressure in the cooling water channel 16 is increased, when the pressure threshold value of the pressure valve 24 is exceeded, the pressure valve 24 is pushed to be opened, so that the cooling fluid in the water storage cavity 21 and the cooling water channel 16 flows and is discharged to one side of the water channel outlet 26, at the moment, the thrust of the thrust spring 23 can push the fluid in the water storage cavity 21 to further flow and be discharged to one side of the water channel outlet 26, so that normal circulation is promoted, and when the cooling water channel 16 flows, the cooling fluid flows to one side of the auxiliary bearing 25, so that the auxiliary bearing 25 is cooled.
In the second embodiment, on the basis of the first embodiment: the circulating cooling element comprises a plurality of guide parts, and the guide directions of the plurality of guide parts are clockwise or anticlockwise. The circulating cooling element comprises a bent water path 20, the bent water path 20 is a bent part of the cooling water path 16, one end of the bent water path 20 is one side close to the bearing element, one end of the bent water path 20 close to the bearing element is communicated with a circulation cavity 29, the top side of the circulation cavity 29 is communicated with a cooling ring cavity 31, the cooling ring cavity 31 is annular, the cooling ring cavity 31 is located on the periphery side of the bearing element, a rolling ball 32 is arranged in the cooling ring cavity 31 in a sliding mode, and a temperature sensing device is fixedly arranged in the rolling ball 32. The guide part comprises a guide plate 30, a through guide hole 33 is arranged in the guide plate 30, the diameter of the guide hole 33 is smaller than that of the rolling ball 32, the guide hole 33 is inclined, and the inclination direction of each guide hole 33 is clockwise or anticlockwise. An impeller cavity 12 and a motor cavity 17 are arranged in the pump body 11, the pump spindle comprises a power shaft 18, the impeller cavity 12 and the motor cavity 17 are penetrated through by the power shaft 18, a power element is fixedly arranged in the motor cavity 17, the power element is respectively and fixedly connected with the side wall of the motor cavity 17 and the power shaft 18, the impeller cavity 12 is located on one side of the motor cavity 17, and an impeller 13 is fixedly arranged on the outer circular surface of one end, located in the impeller cavity 12, of the power shaft 18. The bearing element comprises an auxiliary bearing 25 and a main bearing 28, the main bearing 28 is located at one end close to the waterway inlet 27, the cooling ring cavity 31 is located on the periphery of the main bearing 28, the auxiliary bearing 25 is located on one side close to the waterway outlet 26, one side of each cooling waterway 16 close to the waterway outlet 26 is communicated, one side of each cooling waterway 16 close to the waterway outlet 26 is close to the auxiliary bearing 25, one end of the pump body 11 provided with the waterway inlet 27 is fixedly provided with a water inlet bolt 14, the top end of the pump body 11 is fixedly provided with a water outlet bolt 15, and the water inlet bolt 14 and the water outlet bolt 15 are communicated with the impeller cavity 12.
During specific use, cooling fluid flows in the cooling water channel 16, at the moment, a part of the cooling fluid flows into the bent water channel 20 and then enters the circulation cavity 29, at the moment, the cooling fluid rushes into the cooling ring cavity 31 through the guidance of the guide holes 33 and flows in the cooling ring cavity 31 in a clockwise or anticlockwise direction, the cooling fluid cools the main bearing 28 from the circumferential direction when flowing in the cooling ring cavity 31, the rolling balls 32 synchronously roll in the cooling ring cavity 31, and the temperature sensing devices in the rolling balls 32 can monitor the temperature of the cooling fluid flowing in the cooling ring cavity 31, so that the operating environment of the main bearing 28 is prevented from being in a high temperature.
Claims (9)
1. The utility model provides an intelligence refrigerated permanent magnetism inverter pump which characterized in that: comprises a pump body (11), a centralized cooling element and a circulating cooling element;
the centralized cooling element and the circulating cooling element are both arranged in the pump body (11), a power element and a bearing element are arranged in the pump body (11), the power element drives the pump spindle to rotate, and the bearing element is rotationally connected with the pump spindle;
the centralized cooling element is arranged on the peripheral side of the power element and comprises a cooling part, a pressure control part and an energy storage part, the cooling part is positioned on one side close to the power element, cooling fluid flows in the cooling part, the energy storage part is communicated with the cooling part, the pressure control part is arranged at the flowing part of the cooling part, and the pressure control part controls the cooling fluid to flow to the energy storage part under the condition that the pressure threshold value is not exceeded;
the circulating cooling element comprises a plurality of guide parts, and the guide directions of the plurality of guide parts are clockwise or anticlockwise.
2. The intelligent cooling permanent magnet variable frequency pump according to claim 1, characterized in that: the cooling fluid inlet of the cooling part is positioned at one end of the pump body (11), the cooling fluid outlet of the cooling part is positioned at the other end of the pump body (11), and a plurality of centralized cooling parts are arranged in a circumferential array by taking the power element as a center.
3. The intelligent cooling permanent magnet variable frequency pump according to claim 1, characterized in that: the cooling portion comprises a cooling water channel (16), the water inlet comprises a water channel inlet (27), the water channel inlet (27) is communicated with the cooling water channel (16), the water outlet comprises a water channel outlet (26), the water channel outlet (26) is communicated with the cooling water channel (16), and the part of the cooling water channel (16) on the peripheral side of the power element is the part closest to the power element.
4. The intelligent cooling permanent magnet variable frequency pump according to claim 3, characterized in that: the pressure control part comprises a pressure valve (24), the pressure valve (24) is arranged in the cooling water channel (16), and the pressure valve (24) is positioned on one side of the energy storage part close to the water channel outlet (26).
5. The intelligent cooling permanent magnet variable frequency pump according to claim 4, characterized in that: the energy storage part comprises a push plate (22), a water storage cavity (21) is communicated with the side wall of the cooling water channel (16), the push plate (22) is in sliding connection with the side wall of the water storage cavity (21), the water storage cavity (21) is located on the periphery side of the power element, a thrust spring (23) is fixedly arranged on the side wall of the water storage cavity (21), one end of the thrust spring (23) is fixedly connected with the push plate (22), and the thrust of the thrust spring (23) cannot push the pressure valve (24) to be opened.
6. The intelligent cooling permanent magnet variable frequency pump according to claim 1, characterized in that: the circulating cooling element comprises a bent water path (20), the bent water path (20) is a bent part of the cooling water path (16), one end of the bent water path (20) is close to one side of the bearing element, one end of the bent water path (20) close to the bearing element is communicated with a circulation cavity (29), the top side of the circulation cavity (29) is communicated with a cooling ring cavity (31), the cooling ring cavity (31) is annular, the cooling ring cavity (31) is located on the peripheral side of the bearing element, a rolling ball (32) is arranged in the cooling ring cavity (31) in a sliding mode, and a temperature sensing device is fixedly arranged in the rolling ball (32).
7. The intelligent cooling permanent magnet variable frequency pump according to claim 6, characterized in that: the guide part comprises a guide plate (30), a through guide hole (33) is formed in the guide plate (30), the diameter of the guide hole (33) is smaller than that of the rolling ball (32), the guide hole (33) is inclined, and the inclined direction of each guide hole (33) is clockwise or anticlockwise.
8. The intelligent cooling permanent magnet variable frequency pump according to claim 1, characterized in that: be equipped with impeller cavity (12) and motor chamber (17) in the pump body (11), the pump main shaft includes power shaft (18), power shaft (18) run through impeller cavity (12) and motor chamber (17), power component is fixed to be located in motor chamber (17), power component respectively with motor chamber (17) lateral wall and power shaft (18) fixed connection, impeller cavity (12) are located one side of motor chamber (17), power shaft (18) are located the outer disc of one end in impeller cavity (12) and are fixed and are equipped with impeller (13).
9. The intelligent cooling permanent magnet variable frequency pump according to claim 1, characterized in that: the bearing element comprises an auxiliary bearing (25) and a main bearing (28), the main bearing (28) is located at one end close to a waterway inlet (27), a cooling ring cavity (31) is located at the peripheral side of the main bearing (28), the auxiliary bearing (25) is located at one side close to a waterway outlet (26), one side of each cooling waterway (16) close to the waterway outlet (26) is communicated, one side of each cooling waterway (16) close to the waterway outlet (26) is close to the auxiliary bearing (25), one end of the pump body (11) provided with the waterway inlet (27) is fixedly provided with a water inlet bolt (14), the top end of the pump body (11) is fixedly provided with a water outlet bolt (15), and the water inlet bolt (14) and the water outlet bolt (15) are communicated with the impeller cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275447.4A CN114645853B (en) | 2022-03-21 | 2022-03-21 | Intelligent cooling permanent magnet variable frequency pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275447.4A CN114645853B (en) | 2022-03-21 | 2022-03-21 | Intelligent cooling permanent magnet variable frequency pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114645853A true CN114645853A (en) | 2022-06-21 |
| CN114645853B CN114645853B (en) | 2024-06-04 |
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ID=81996482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210275447.4A Active CN114645853B (en) | 2022-03-21 | 2022-03-21 | Intelligent cooling permanent magnet variable frequency pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN114645853B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813196A (en) * | 1981-07-17 | 1983-01-25 | Hitachi Ltd | Feed water means of pump bearing |
| US5151016A (en) * | 1991-12-05 | 1992-09-29 | Her Tser W | Liquid pump responsive to temperature |
| EP1178212A2 (en) * | 2000-08-03 | 2002-02-06 | Claber S.P.A. | Water cooled centrifugal pump |
| CN101050768A (en) * | 2006-04-03 | 2007-10-10 | 彭树林 | Amphibious high efficiency self suction centrifugal pump |
| JP2012172656A (en) * | 2011-02-24 | 2012-09-10 | Torishima Pump Mfg Co Ltd | Circulation pump |
| KR20120102367A (en) * | 2011-03-08 | 2012-09-18 | (주) 코리아하이드로 | Submersible pump that has internal cooling loop |
| DE102016003169A1 (en) * | 2016-03-16 | 2017-09-21 | Wilo Se | Cooling device for a pump with wet-rotor motor |
| CN108953233A (en) * | 2018-07-03 | 2018-12-07 | 上海核工程研究设计院有限公司 | A kind of heat dissipation sub-loop system for core main pump shield electric machine coil |
| CN212130894U (en) * | 2019-06-29 | 2020-12-11 | 郑宝圣 | Double water cooling structure of water pump |
| CN113958514A (en) * | 2021-11-22 | 2022-01-21 | 问茂荣 | Shielding pump for enhancing cooling and cleaning tail liquid |
-
2022
- 2022-03-21 CN CN202210275447.4A patent/CN114645853B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813196A (en) * | 1981-07-17 | 1983-01-25 | Hitachi Ltd | Feed water means of pump bearing |
| US5151016A (en) * | 1991-12-05 | 1992-09-29 | Her Tser W | Liquid pump responsive to temperature |
| EP1178212A2 (en) * | 2000-08-03 | 2002-02-06 | Claber S.P.A. | Water cooled centrifugal pump |
| CN101050768A (en) * | 2006-04-03 | 2007-10-10 | 彭树林 | Amphibious high efficiency self suction centrifugal pump |
| JP2012172656A (en) * | 2011-02-24 | 2012-09-10 | Torishima Pump Mfg Co Ltd | Circulation pump |
| KR20120102367A (en) * | 2011-03-08 | 2012-09-18 | (주) 코리아하이드로 | Submersible pump that has internal cooling loop |
| DE102016003169A1 (en) * | 2016-03-16 | 2017-09-21 | Wilo Se | Cooling device for a pump with wet-rotor motor |
| CN108953233A (en) * | 2018-07-03 | 2018-12-07 | 上海核工程研究设计院有限公司 | A kind of heat dissipation sub-loop system for core main pump shield electric machine coil |
| CN212130894U (en) * | 2019-06-29 | 2020-12-11 | 郑宝圣 | Double water cooling structure of water pump |
| CN113958514A (en) * | 2021-11-22 | 2022-01-21 | 问茂荣 | Shielding pump for enhancing cooling and cleaning tail liquid |
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| Publication number | Publication date |
|---|---|
| CN114645853B (en) | 2024-06-04 |
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