CN108916263B - Electromagnetic clutch variable water pump - Google Patents
Electromagnetic clutch variable water pump Download PDFInfo
- Publication number
- CN108916263B CN108916263B CN201811104557.4A CN201811104557A CN108916263B CN 108916263 B CN108916263 B CN 108916263B CN 201811104557 A CN201811104557 A CN 201811104557A CN 108916263 B CN108916263 B CN 108916263B
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- China
- Prior art keywords
- belt pulley
- permanent magnet
- assembly
- water pump
- engine
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- Legal status (The legal status 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 status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/004—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets combined with electromagnets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/01—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/02—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings
- F16D27/04—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces
- F16D27/08—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with electromagnets incorporated in the clutch, i.e. with collecting rings with axially-movable friction surfaces with friction surfaces arranged externally to the flux
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an electromagnetic clutch variable water pump, which comprises an electromagnetic shielding structure, a permanent magnet seat and a permanent magnet; when the water temperature of the engine is lower than the design temperature, the belt pulley assembly and the rotating disc rotate along with the engine at full speed, the coil is not electrified, the friction plate and the belt pulley assembly are in a separated state, a gap is kept between the permanent magnet and the rotating disc, the rotating disc rotates at high speed and forms vortex with the permanent magnet, the driving disc assembly is dragged to rotate at low speed, the driving disc drives the water pump bearing and the impeller to rotate at low speed, and small-flow circulation is realized; when the temperature of the engine reaches the set temperature, the belt pulley and the rotating disk rotate along with the full speed of the engine, the coil is electrified to generate electromagnetic force, the friction plate overcomes the elastic force of the plane elastic sheet and is downwards displaced to be attracted to the belt pulley, and the belt pulley assembly and the driving disk assembly rotate at a high speed to realize large-flow cooling; the advantages are that: the change of the rotating speed is realized through the electromagnetic and permanent magnetic function control, so that the energy conservation and emission reduction of the flow change are realized; the electromagnetic shielding structure prevents permanent magnet demagnetization. The permanent magnet arrangement position is far away from the transmission, and is stable, less and free from abrasion.
Description
Technical Field
The invention belongs to the technical field of water pumps, relates to an electromagnetic clutch variable water pump, and is particularly suitable for variable flow control of an automobile engine water pump.
Background
Energy conservation and emission reduction are one of the subjects of engineering technicians concerned with research. In the field of automobile engines, the traditional mechanical water pump cannot meet the requirements of energy conservation and emission reduction.
The existing electromagnetic clutch water pump can realize speed adjustment, the permanent magnet is arranged at the edge of the rotating disc, the shearing force is large when the coil is electrified to work and absorb, and the permanent magnet and the belt pulley are easy to wear and skid; although the permanent magnet is arranged and the coil are not in the same straight line, the coil is frequently electrified and disconnected due to small distance between the permanent magnet and the coil, and the permanent magnet works for a long time, so that the magnetism of the permanent magnet can be reduced, and the functions are reduced and fail; and the permanent magnet is exposed to the outside to easily adsorb sundries, so that the variable flow strategy is invalid.
Disclosure of Invention
The invention discloses an electromagnetic clutch variable water pump, which is used for solving the problems that in the prior art, when a coil is electrified to work and absorb, the shearing force is large, and a permanent magnet and a belt pulley are easy to wear and skid; the distance between the permanent magnet arrangement and the coil is small, the coil is frequently electrified and disconnected, the permanent magnet works for a long time, the magnetism of the permanent magnet can be reduced, and the functions are reduced and the coil is invalid; the permanent magnet is exposed outside to easily adsorb sundries, so that the flow conversion strategy is invalid and the like.
The invention comprises an impeller, a water pump shell, a water seal, a shaft-connected bearing, a belt pulley assembly, a coil, a driving disc assembly, a rotating disc, a friction plate, a plane spring, an electromagnetic shielding structure, a permanent magnet seat, a connecting sleeve and a permanent magnet; the permanent magnets are distributed and adsorbed on the permanent magnet seat in the circumferential direction; the permanent magnet seat is fixedly connected with the connecting sleeve; the friction plate and the plane spring are connected with the connecting sleeve in a riveting way; the electromagnetic shielding structure is arranged in the middle of the permanent magnet seat and the friction plate and is welded with the permanent magnet seat; the shaft connecting bearing is pressed in the water pump shell, one end of the shaft connecting bearing is in interference connection with the impeller and the water seal, and the other end of the shaft connecting bearing is in interference connection with the driving disc assembly; the coil is fixedly arranged on the water pump shell and positioned in the concave surface at the lower part of the belt pulley assembly; the inner ring of the belt pulley assembly is in interference connection with the outer ring of the water pump shell; the rotary disk is internally provided with a magnetic conduction ring and is fixedly arranged in an installation groove at the upper part of the belt pulley; the driving disc assembly is arranged at the middle position of the concave surface on the belt pulley and the rotating disc, and the permanent magnet installation side of the driving disc assembly is opposite to the rotating disc; when the water temperature of the engine is lower than the design temperature, the belt pulley assembly and the rotating disc rotate along with the full speed of the engine, the coil is not electrified, the friction plate on the driving disc and the belt pulley assembly are in a separated state, a certain gap is kept between permanent magnets on the driving disc assembly and the rotating disc, the rotating disc rotates at a high speed to form vortex with the permanent magnets, the driving disc assembly is dragged to rotate at a low speed, and the driving disc drives the water pump bearing and the impeller to rotate at a low speed, so that small-flow circulation is realized; when the temperature of the engine reaches the set temperature, the belt pulley and the rotary disk rotate along with the full speed of the engine, the coil is electrified, and electromagnetic force is generated by the coil, so that the friction plate on the driving disk overcomes the elasticity of the plane elastic sheet, is downwards displaced and sucked onto the belt pulley, and forms an integrated structure through friction, the belt pulley assembly and the driving disk assembly operate at a high speed, and the driving disk drive shaft is connected with the bearing and the impeller to operate at a high speed, so that large-flow cooling is realized; when the temperature of the engine is lower than the design temperature, the coil is powered off, and the small-flow circulation is realized again.
According to the invention, when the water temperature of the engine is lower than the design temperature, the driving disc drives the water pump bearing and the impeller to run at a low speed, and the full speed is 30-50%.
The invention has the positive effects that: the change of the rotating speed is realized through electromagnetic and permanent magnetic function control, so that the energy conservation and emission reduction of flow change are realized; the electromagnetic shielding structure prevents the electric coil assembly from demagnetizing the permanent magnet on the driving disc assembly, and prolongs the service life of the permanent magnet; the permanent magnet is arranged at a position far away from the periphery, the dragging shearing force is small, the transmission is stable, the speed is not lost, and little abrasion is avoided; the permanent magnet is arranged on the inner side of the belt pulley, the structure is simple and compact, the suction of impurities and foreign matters is reduced, and the reliability is improved; the service life is reliable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a driving disk structure according to the present invention;
in the figure: the device comprises a impeller 1, a water pump housing 2, a water seal 3, a shaft connecting bearing 4, a belt pulley assembly 5, a coil 6, a driving disc assembly 7, a rotating disc 8, a friction plate 9, a plane spring 10, an electromagnetic shielding structure 11, a permanent magnet seat 12, a connecting sleeve 13 and a permanent magnet 14.
Detailed Description
An embodiment of the present invention is described in detail below with reference to the accompanying drawings.
The embodiment of the invention is shown in figures 1 and 2, and comprises an impeller 1, a water pump housing 2, a water seal 3, a shaft-connected bearing 4, a belt pulley assembly 5, a coil 6, a driving disc assembly 7, a rotating disc 8, a friction plate 9, a plane spring 10, an electromagnetic shielding structure 11, a permanent magnet seat 12, a connecting sleeve 13 and a permanent magnet 14; the permanent magnets 14 are circumferentially distributed and adsorbed on the permanent magnet seat 12; the permanent magnet seat 12 is fixedly connected with the connecting sleeve 13 through bolts; the friction plate 9 and the plane spring are connected with the connecting sleeve 13 in a riveting way; the electromagnetic shielding structure 11 is arranged in the middle of the permanent magnet seat 12 and the friction plate 9 and is welded and connected with the permanent magnet seat 12; the shaft connecting bearing 4 is pressed in the water pump housing 2, one end of the shaft connecting bearing is in interference connection with the impeller 1 and the water seal 3, and the other end of the shaft connecting bearing is in interference connection with the driving disc assembly 7; the coil 6 is fixedly arranged on the water pump shell and positioned in the concave surface at the lower part of the belt pulley assembly 5; the inner ring of the belt pulley assembly 5 is in interference connection with the outer ring of the water pump shell 2; a magnetic conduction ring is arranged in the rotary disk 8, and the rotary disk 8 is arranged and fixed in an installation groove at the upper part of the belt pulley; the driving disc assembly 7 is arranged at the middle position of the concave surface on the belt pulley and the rotating disc, and the permanent magnet installation side of the driving disc assembly 7 is opposite to the rotating disc; when the temperature of the water of the engine is lower than the design temperature, the belt pulley assembly 5 and the rotating disc 8 rotate along with the full speed of the engine, the coil 6 is not electrified, the friction plate 9 on the driving disc and the belt pulley assembly 5 are in a separated state, a certain gap is kept between the permanent magnet 14 on the driving disc assembly 7 and the rotating disc 8, the rotating disc 8 rotates at a high speed and forms vortex with the permanent magnet 14, the driving disc assembly 7 is dragged to rotate at a low speed, the driving disc drives the water pump bearing and the impeller to rotate at a low speed, and the full speed is 30-50%, so that the small-flow circulation is realized; when the temperature of the engine reaches the set temperature, the belt pulley 5 and the rotating disk 8 rotate along with the full speed of the engine, the coil 6 is electrified, the coil generates electromagnetic force, the friction plate 9 on the driving disk 7 overcomes the elastic force of the plane elastic sheet 10, is downwards displaced and sucked onto the belt pulley 5, forms an integrated structure through friction, the belt pulley assembly 5 and the driving disk assembly 7 run at a high speed, and the driving disk 7 drives the shaft coupling bearing 4 and the impeller 1 to run at a high speed, so that large-flow cooling is realized; when the engine temperature is lower than the design temperature, the coil 6 is powered off, and the small flow circulation is realized again.
Claims (2)
1. An electromagnetic clutch variable water pump; the device comprises an impeller, a water pump shell, a water seal, a shaft-connected bearing, a belt pulley assembly, a coil, a driving disc assembly, a rotating disc, a friction plate, a planar spring, a permanent magnet seat, a connecting sleeve and a permanent magnet; the method is characterized in that: the electromagnetic shielding structure is also included; the permanent magnets are distributed and adsorbed on the permanent magnet seat in the circumferential direction; the permanent magnet seat is fixedly connected with the connecting sleeve; the friction plate and the plane spring are connected with the connecting sleeve in a riveting way; the electromagnetic shielding structure is arranged in the middle of the permanent magnet seat and the friction plate and is welded with the permanent magnet seat; the shaft connecting bearing is pressed in the water pump shell, one end of the shaft connecting bearing is in interference connection with the impeller and the water seal, and the other end of the shaft connecting bearing is in interference connection with the driving disc assembly; the coil is fixedly arranged on the water pump shell and positioned in the concave surface at the lower part of the belt pulley assembly; the inner ring of the belt pulley assembly is in interference connection with the outer ring of the water pump shell; the rotary disk is internally provided with a magnetic conduction ring and is fixedly arranged in an installation groove at the upper part of the belt pulley; the driving disc assembly is arranged at the middle position of the concave surface on the belt pulley and the rotating disc, and the permanent magnet installation side of the driving disc assembly is opposite to the rotating disc; when the water temperature of the engine is lower than the design temperature, the belt pulley assembly and the rotating disc rotate along with the full speed of the engine, the coil is not electrified, the friction plate on the driving disc and the belt pulley assembly are in a separated state, a gap is kept between permanent magnets on the driving disc assembly and the rotating disc, the rotating disc rotates at a high speed to form vortex with the permanent magnets, the driving disc assembly is dragged to rotate at a low speed, and the driving disc drives the water pump bearing and the impeller to rotate at a low speed, so that small-flow circulation is realized; when the temperature of the engine reaches the set temperature, the belt pulley and the rotary disk rotate along with the full speed of the engine, the coil is electrified, and electromagnetic force is generated by the coil, so that the friction plate on the driving disk overcomes the elasticity of the plane elastic sheet, is downwards displaced and sucked onto the belt pulley, and forms an integrated structure through friction, the belt pulley assembly and the driving disk assembly operate at a high speed, and the driving disk drive shaft is connected with the bearing and the impeller to operate at a high speed, so that large-flow cooling is realized; when the temperature of the engine is lower than the design temperature, the coil is powered off, and the small-flow circulation is realized again.
2. An electromagnetic clutch variable water pump according to claim 1; the method is characterized in that: when the water temperature of the engine is lower than the design temperature, the driving disc drives the water pump bearing and the impeller to run at a low speed, and the full speed is 30-50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104557.4A CN108916263B (en) | 2018-09-21 | 2018-09-21 | Electromagnetic clutch variable water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104557.4A CN108916263B (en) | 2018-09-21 | 2018-09-21 | Electromagnetic clutch variable water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108916263A CN108916263A (en) | 2018-11-30 |
| CN108916263B true CN108916263B (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811104557.4A Active CN108916263B (en) | 2018-09-21 | 2018-09-21 | Electromagnetic clutch variable water pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN108916263B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566599A (en) * | 2019-07-25 | 2019-12-13 | 嘉兴兴涛汽车零部件有限公司 | Water pump clutch circular telegram differential outage full speed device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837525Y (en) * | 2005-08-10 | 2006-11-15 | 中国第一汽车集团公司 | Automobile water pump |
| CN201428506Y (en) * | 2009-07-09 | 2010-03-24 | 史庆学 | Electromagnetic fan clutch |
| KR20110063115A (en) * | 2009-12-04 | 2011-06-10 | 현대자동차주식회사 | Water pump for vehicle |
| KR20120133204A (en) * | 2011-05-31 | 2012-12-10 | 한라공조주식회사 | electromagnetic clutch and oerating method of a electromagnetic clutch |
| CN203130230U (en) * | 2013-03-13 | 2013-08-14 | 王桂岳 | Two-speed automotive electromagnetic fan clutch |
| CN204082295U (en) * | 2014-07-09 | 2015-01-07 | 昆山隆中麦士格瑞汽车部件有限公司 | A kind of changeable flow magnetic clutch cooling waterpump |
| CN104895799A (en) * | 2015-06-18 | 2015-09-09 | 昆山隆中麦士格瑞汽车部件有限公司 | Variable-flow electromagnetic clutch cooling water pump |
| CN106065805A (en) * | 2016-08-02 | 2016-11-02 | 苏州睿昕汽车配件有限公司 | A kind of permanent magnetic speed-adjusting water pump electromagnetic clutch |
| CN206054072U (en) * | 2016-08-26 | 2017-03-29 | 苏州睿昕汽车配件有限公司 | A kind of auto pump clutch apparatus |
| CN108087094A (en) * | 2017-12-26 | 2018-05-29 | 昆山隆中麦士格瑞汽车部件有限公司 | Electromagnetic clutch water pump with double frictional disks |
-
2018
- 2018-09-21 CN CN201811104557.4A patent/CN108916263B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2837525Y (en) * | 2005-08-10 | 2006-11-15 | 中国第一汽车集团公司 | Automobile water pump |
| CN201428506Y (en) * | 2009-07-09 | 2010-03-24 | 史庆学 | Electromagnetic fan clutch |
| KR20110063115A (en) * | 2009-12-04 | 2011-06-10 | 현대자동차주식회사 | Water pump for vehicle |
| KR20120133204A (en) * | 2011-05-31 | 2012-12-10 | 한라공조주식회사 | electromagnetic clutch and oerating method of a electromagnetic clutch |
| CN203130230U (en) * | 2013-03-13 | 2013-08-14 | 王桂岳 | Two-speed automotive electromagnetic fan clutch |
| CN204082295U (en) * | 2014-07-09 | 2015-01-07 | 昆山隆中麦士格瑞汽车部件有限公司 | A kind of changeable flow magnetic clutch cooling waterpump |
| CN104895799A (en) * | 2015-06-18 | 2015-09-09 | 昆山隆中麦士格瑞汽车部件有限公司 | Variable-flow electromagnetic clutch cooling water pump |
| CN106065805A (en) * | 2016-08-02 | 2016-11-02 | 苏州睿昕汽车配件有限公司 | A kind of permanent magnetic speed-adjusting water pump electromagnetic clutch |
| CN206054072U (en) * | 2016-08-26 | 2017-03-29 | 苏州睿昕汽车配件有限公司 | A kind of auto pump clutch apparatus |
| CN108087094A (en) * | 2017-12-26 | 2018-05-29 | 昆山隆中麦士格瑞汽车部件有限公司 | Electromagnetic clutch water pump with double frictional disks |
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| Publication number | Publication date |
|---|---|
| CN108916263A (en) | 2018-11-30 |
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