CN205277580U - Safe formula three -speed electromagnetic fan clutch - Google Patents

Safe formula three -speed electromagnetic fan clutch Download PDF

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Publication number
CN205277580U
CN205277580U CN201521081122.4U CN201521081122U CN205277580U CN 205277580 U CN205277580 U CN 205277580U CN 201521081122 U CN201521081122 U CN 201521081122U CN 205277580 U CN205277580 U CN 205277580U
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CN
China
Prior art keywords
dish
fan
belt pulley
dead axle
adhesive
Prior art date
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Active
Application number
CN201521081122.4U
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Chinese (zh)
Inventor
王兆宇
刘中银
刘海涛
赵虎
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LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd.
Original Assignee
LONGKOU ZHONGYU MACHINERY CO Ltd
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Priority to CN201521081122.4U priority Critical patent/CN205277580U/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00Controlling of coolant flow
    • F01P7/02Controlling of coolant flow the coolant being cooling-air
    • F01P7/08Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
    • F01P7/081Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps using clutches, e.g. electro-magnetic or induction clutches
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00Controlling of coolant flow
    • F01P7/02Controlling of coolant flow the coolant being cooling-air
    • F01P7/04Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D27/00Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
    • F16D27/14Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00Measuring
    • F01P2025/04Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00Measuring
    • F01P2025/08Temperature
    • F01P2025/50Temperature using two or more temperature sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00Measuring
    • F01P2025/60Operating parameters
    • F01P2025/64Number of revolutions

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

The utility model discloses safe formula three -speed electromagnetic fan clutch, rotate on the dead axle and be connected with rather than coaxial fan connection pad, a belt pulley, the connecting piece is installed to fan connection pad one side, the opposite side links firmly first actuation dish, there is the clearance between belt pulley and the first actuation dish, fan connection pad facial make -up is equipped with rather than coaxial and fix and deciding epaxially can to limit its pivoted fast electromagnetic clutch device, establish vortex flow permanent magnetism flexible drive device between fan connection pad and the belt pulley, the device can produce current vortex magnetic field driving fan connection pad and rotate, inlay the iron core parts in the belt pulley, exist between iron core part and the first actuation dish clearance and can with the actuation of first actuation dish. Its purpose is in order to provide a safe formula three -speed electromagnetic fan clutch, and this clutch rotational speed slippage is little, the noise is little, compact structure, rotational speed are more controllable, and operates steadily, and is little to the related parts wearing and tearing.

Description

Safety type three-speed electromagnetic fan clutch
Technical field
This utility model relates to a kind of magnetically-actuated clutch, particularly relates to a kind of safety type three-speed electromagnetic fan clutch.
Background technology
At present, electromagnetic fan clutch realizes cooling fan speed change by solenoid principle of induction, thus reaching to save fuel oil, reduce the purpose of energy consumption.
The water temperature of engine thermal cycle system is carried out wind cooling temperature lowering by cooling down fan by present engine-cooling system, equipped with electromagnetic fan clutch between radiator fan and electromotor, carries out the cooling of varying strength by regulating the duty of cooling fan.
The patent No. is a kind of three speed clutch disclosed in the Chinese utility model patent of ZL200810139812.9, it is possible to achieve transfer low speed, flexible middling speed, runs up at full speed. During little coil electricity, some permanent magnets that the soft magnet being provided with in fan connection dish inner chamber end face and the end face of the magnet fixed disc corresponding with fan connection dish are interval with form current vortex magnetic field, drive cooling fan to rotate, and form flexible two speed. This type of three-speed electromagnetic fan clutch, its fan middling speed can only achieve 30%��40% at full speed, therefore, when middling speed is run, engine water temperature can not meet optimum working temperature, needs frequently conversion between middling speed and full speed, and owing to rotating speed slippage is big, be easily generated impact, generation noise is big, radiation energy consumption ratio is big.
The patent No. is the electromagnetic fan clutch that disclosed in the Chinese utility model patent of ZL201010272698.4, the automobile-used double-flexibility of a kind of high-power heavy type drives, achieve electromagnetic fan clutch switched to one-level flexible buffer to drive by static cold start-up and switch to two grades of double-flexibility buffered-display driver again, driving cooling fan to rotate under the powerful driving that two grades of double; two electric eddy-magnetic occasions become, double-flexibility drives the rotating speed slippage and the number of times that decrease switching.
But, above two electromagnetic fan clutch all cannot realize zero-speed operating, causes engine warm-up time long when cold start-up with one-level soft drive, and especially at extremely frigid zones, energy loss is greatly increased. And, along with main axis, the iron core member of above two clutch can cause that wire harness is torn, meanwhile, wire also very easily rubs with the connector on electromotor, produces to rub phenomenon.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of safety type three-speed electromagnetic fan clutch, and clutch rotational speed slippage is little, noise is little for this, can realize zero-speed operating, and compact conformation, rotating speed are more controllable, and operates steadily, and associated components abrasion is little.
This utility model safety type three-speed electromagnetic fan clutch, including dead axle, dead axle is rotatably connected to the fan connection dish, the belt pulley that are coaxial therewith, described fan connection dish and belt pulley from a side end face installing connector, a side end face adjacent with belt pulley is by the connected first adhesive dish of the first shell fragment, gap is there is between described belt pulley and the first adhesive dish, wherein:
Being equiped with the speed electromagnetic clutch device being coaxial therewith and being fixed on dead axle on described fan connection dish, a described speed electromagnetic clutch device can limit fan connection dish and rotate,
Being equiped with eddy current permanent-magnet flexible drive device between described fan connection dish and belt pulley, described eddy current permanent-magnet flexible drive device can produce current vortex field drives fan connection dish and rotate,
It is inlaid with in described belt pulley and is fixed on dead axle one end and the iron core member coaxial with dead axle, between described iron core member and the first adhesive dish, there is gap and can with the first adhesive dish adhesive.
This utility model safety type three-speed electromagnetic fan clutch, a wherein said speed electromagnetic clutch device is positioned at fan connection dish inner chamber, a described speed electromagnetic clutch device includes axially installing successively and the shell fragment coaxial with dead axle, adhesive dish, coil part and iron-core element along dead axle, described adhesive dish is fixed on the internal face of fan connection dish by shell fragment, the iron-core element of embedded wired coil element is fixed on dead axle, there is gap and can be pulled together between adhesive dish and iron-core element.
This utility model safety type three-speed electromagnetic fan clutch, a wherein said speed electromagnetic clutch device is positioned at outside fan connection dish away from the side outside wall surface of belt pulley, a described speed electromagnetic clutch device includes axially installing successively and the shell fragment coaxial with dead axle, adhesive dish, coil part and iron-core element along dead axle, described adhesive dish is fixed in the outside wall surface of fan connection dish by shell fragment, the iron-core element of embedded wired coil element is fixed on dead axle, there is gap and can be pulled together between described adhesive dish and iron-core element.
This utility model safety type three-speed electromagnetic fan clutch, wherein said eddy current permanent-magnet flexible drive device includes being arranged on belt pulley and is connected the permanent magnet A between dish, magnetic conduction soft board A with fan, described belt pulley is fixed with heat dissipation plate near the side of fan connection dish, magnetic conduction soft board A embeds in heat dissipation plate, fan connection dish is installed permanent magnet A, permanent magnet A is relative with magnetic conduction soft board location A and gap is arranged, the position of permanent magnet A and magnetic conduction soft board A is interchangeable
Described iron core member includes iron core one and the coil one being embedded in iron core one, there is gap and can with the first adhesive dish adhesive between described iron core one and the first adhesive dish.
This utility model safety type three-speed electromagnetic fan clutch, the axial recessing of wherein said dead axle, radially convince string holes by patient analysis, the wire in described iron-core element is derived by described groove, wire guide.
This utility model safety type three-speed electromagnetic fan clutch, a wherein said speed electromagnetic clutch device also includes magnetic conductive disk, described magnetic conductive disk is fixedly mounted on dead axle, dead axle is axially sequentially provided with shell fragment, adhesive dish, magnetic conductive disk, coil part and iron-core element successively, there is gap between described magnetic conductive disk and adhesive dish.
This utility model safety type three-speed electromagnetic fan clutch, wherein said fan connection dish is provided with observation panel, reinforcement diametrically.
This utility model safety type three-speed electromagnetic fan clutch, wherein said fan connection dish is connected locking plate on the end face of pulley side, described locking plate is by the connected first adhesive dish of the first shell fragment, gap is there is between described belt pulley and the first adhesive dish, several be connected on described locking plate along the equally distributed fixed block of its circumferencial direction, and several described permanent magnet A are fixedly mounted on described fixed block.
This utility model safety type three-speed electromagnetic fan clutch, wherein said belt pulley is provided with several annular magnetic conductive grooves coaxial with dead axle near a side end face of the first adhesive dish, and several described annular magnetic conductive grooves are arranged from inside to outside along the radial direction of belt pulley.
This utility model safety type three-speed electromagnetic fan clutch, wherein said fan connection dish is connected with fixed-axis rotation by bearing one, and described belt pulley is connected with fixed-axis rotation by bearing three, and described iron core member is fixed on dead axle by fixing plate.
Clutch of the present utility model is by arranging the rotation of a speed electromagnetic clutch device restriction fan connection dish, it it is a speed zero-speed operating when achieving static cold start-up, produce current vortex field drives fan connection dish further through eddy current permanent-magnet flexible drive device to rotate, realize two speed middling speed safety type soft drive, also by iron core member adhesive the first adhesive dish, belt pulley is connected with fan dish connect, belt pulley directly drives fan connection dish to rotate, it is achieved that three speed drive at full speed. This clutch achieves real zero-speed operating, greatly reduce power loss during cold start-up, also reduce middle and high speed speed-changing slippage and switching times, achieve non-transformer safe operation also by eddy current permanent-magnet flexible drive device simultaneously, reduce energy consumption. It addition, clutch of the present utility model by achieving the compactedness of clutch axial dimension to the particular topology of each parts in clutch inside, reach the purpose of labyrinth miniaturization, be very easy to installing and using of user.
Below in conjunction with accompanying drawing, safety type three-speed electromagnetic fan clutch of the present utility model is described further.
Accompanying drawing explanation
The master that Fig. 1 is this utility model safety type three-speed electromagnetic fan clutch looks part sectioned view;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is locking plate in safety type three-speed electromagnetic fan clutch of the present utility model, fixed block annexation schematic diagram.
Detailed description of the invention
As shown in Figure 1 to Figure 3, this utility model safety type three-speed electromagnetic fan clutch, including dead axle 13, dead axle 13 is fixed on electromotor or engine pan by support. The axial recessing 131 of dead axle 13, radially convinces string holes 132 by patient analysis. High order end at dead axle 13 is provided with the fan connection dish 5 being coaxial therewith, and right-hand member is equiped with the belt pulley 8 being coaxial therewith. Fan connection dish 5 is rotationally connected by bearing 1 and dead axle 13. Belt pulley 8 is rotationally connected by bearing 3 14 and dead axle 13. The first connected first adhesive dish 7 of shell fragment 6 is passed through in the side end face that fan connection dish 5 is adjacent with belt pulley 8, there is gap between belt pulley 8 and the first adhesive dish 7.
Fan connection dish 5 is provided with observation panel 51 diametrically, it is possible to by observation panel 51 ventilation and heat and detect gap width between iron-core element 4 and adhesive dish 2 in a following speed electromagnetic clutch device 100. Fan connection dish 5 is radially provided with reinforcement 52, observation panel 51 and reinforcement 52 at it can form wind path, in cooling fan work process, the inside connector of safety type electromagnetic fan clutch is carried out effective temperature-reducing.
Fan connection dish 5 left side is connected to connector, and this connector can for cooling air fan or connection dish, and connection dish is for the indirect driving of switchable cooling fan. To cool down, fan is not shown to be illustrated the present embodiment.
Right side inner chamber at fan connection dish 5 is provided with a speed electromagnetic clutch device 100. If intracavity space is relatively big, speed electromagnetic clutch device 100 installing can effectively reduce clutch own vol with inner chamber, Appropriate application inner space, improves the compactedness of clutch configuration. One speed electromagnetic clutch device 100 at least includes along dead axle 13 shell fragment 1, adhesive dish 2, coil part 3 and iron-core element 4 that axially order is installed from left to right, and shell fragment 1, adhesive dish 2, coil part 3 and iron-core element 4 are all coaxial with dead axle 13. Adhesive dish 2 is fixedly mounted on the internal face of fan connection dish 5 by shell fragment 1, and iron-core element 4 is fixedly mounted on dead axle 13, there is gap between adhesive dish 2 and iron-core element 4, the embedded wired coil element 3 of iron-core element 4. Wire in iron-core element 4 is derived by the groove 131 on dead axle 13, wire guide 132, and therefore clutch of the present utility model can be prevented effectively from wire harness and is torn.
Deform as one, if clutch intracavity space is less, then can also by preposition in the outer face of fan connection dish 5 for a speed electromagnetic clutch device 100, namely a speed electromagnetic clutch device 100 is installed on the outer left side end face of fan fixed disk 5. Fan fixed disk 5 intracavity space is limited, inconvenience operation, and a speed electromagnetic clutch device 100 being installed in fan fixed disk 5 outside is install operation to provide a great convenience, and is more beneficial for producing assembling. Axial order from left to right along dead axle 13 is provided with iron-core element 4, coil part 3, adhesive dish 2 and shell fragment 1. Adhesive dish 2 is fixedly mounted in the left side outside wall surface of fan connection dish 5 by shell fragment 1, there is gap between iron-core element 4 and the adhesive dish 2 of embedded wired coil element 3, and iron-core element 4 is fixedly mounted on dead axle 13.
Preferably, for increasing suction and the moment of torsion of a speed electromagnetic clutch device 100, a speed electromagnetic clutch device 100 also includes magnetic conductive disk 29. magnetic conductive disk 29 adds contact area, can increase electromagnetic attraction by the magnetic conductive groove that magnetic conductive disk 29 is reasonable in design, thus increasing moment of torsion simultaneously. magnetic conductive disk 29 is fixedly mounted on dead axle 13, dead axle 13 axially from left to right order shell fragment 1 is installed, adhesive dish 2, magnetic conductive disk 29, coil part 3 and iron-core element 4, gap is there is between magnetic conductive disk 29 and adhesive dish 2, when coil part 3 is energized, magnetic conductive disk 29 and adhesive dish 2 adhesive, clutch realizes fast zero rotation speed operation, when coil part 3 power-off, magnetic conductive disk 29 separates with adhesive dish 2, by controlling the break-make of each coil in following iron core member 300, clutch realizes other rotation speed operation except a speed, therefore between magnetic conductive disk 29 and adhesive dish 2 it is necessary to have gap, otherwise cannot realize multi-speed operating. magnetic conductive disk 29 and iron-core element 4 with or without gap, because there is gap can affect magnetic air gap, can affect magnetic force, therefore, it does not have gap is for having gap, and suction and moment of torsion when a speed want big.
On fan connection dish 5 with belt pulley 8 adjacent surface, namely setting eddy current permanent-magnet flexible drive device 200 between the two relative end face, eddy current permanent-magnet flexible drive device 200 includes permanent magnet A20, magnetic conduction soft board A19. Be connected on the right side of fan connection dish 5 locking plate 22 on the end face of belt pulley 8. When the equal power-off of the whole coils in clutch, locking plate 22 can be connected dish 5 with fan to be connected, realize clutch full-speed operation, therefore, locking plate 22 is the emergency set ensureing clutch full-speed operation after the coil blackout in clutch lost efficacy, it does not have locking plate 22 cannot ensure that clutch realized full-speed operation after losing efficacy. Its right end face of locking plate 22 is by the first connected first adhesive dish 7 of shell fragment 6. Preferably, on belt pulley 8 left side, namely belt pulley 8 is provided with several annular magnetic conductive grooves 81 coaxial with dead axle 13 near a side end face of the first adhesive dish 7, and several annular magnetic conductive grooves 81 are arranged from inside to outside along the radial direction of belt pulley 8. The effect of annular magnetic conductive groove 81 is to guide magnetic circuit, thus increasing electromagnetic attraction, if not, electromagnetic attraction is less than normal, causes that belt pulley 8 and the first adhesive dish 7 cannot adhesives. Locking plate 22 is connected 3 along the equally distributed fixed block 21 of locking plate 22 circumferencial direction, fixed block 21 is installed two permanent magnet A20, for 2 explanations in the present embodiment, it is possible to set up multiple, multiple setting, use principle are identical with this, do not repeat herein. Fixed block 21 is set and is very easy to the fixing of permanent magnet A20. On the left of belt pulley 8, be namely connected heat dissipation plate 18 near the side of fan connection dish 5, and magnetic conduction soft board A19 is embedded in heat dissipation plate 18, and magnetic conduction soft board A19 position is relative with permanent magnet about A20 and there is gap between magnetic conduction soft board A19 and permanent magnet A20. Meanwhile, the two position can exchange.
Right-hand member at dead axle 13 is equiped with the iron core member 300 coaxial with dead axle 13, and iron core member 300 is wrapped in belt pulley 8, and is fixed on dead axle 13 by fixing plate 15, will not rotate. Dead axle 13 is fixed on support. Iron core member 300 includes the iron core 1 being embedded with coil 1, there is gap between iron core 1 and the first adhesive dish 7.
The present embodiment has following 3 rotating speeds:
One speed: 1. during cold start-up, coil part 3 delay time h is energized, and 2. coil 1 is in off-position, and coil part 3 delay time h is energized. When meeting any of the above-described condition, coil part 3 produces electromagnetic attraction adhesive adhesive dish 2, owing to the iron-core element 4 at coil part 3 place is integrally fixed on dead axle 13, therefore, adhesive dish 2 is also fixed, and the fan being connected by shell fragment 1 with adhesive dish 2 is connected dish 5, and the cooling fan being connected with on fan connection dish 5 also together fixed, now, cooling fan is a speed, i.e. zero rotation speed operation.
Two speed: coil part 3, the equal power-off of coil 1, can not with adhesive dish 2 adhesive after coil part 3 power-off, the rotation of the cooling fan being connected with on fan connection dish 5 loses restriction, simultaneously, coil 1 power-off, first adhesive dish 7 is not also by adhesive, now, belt pulley 8 rotates and drives heat dissipation plate 18 to rotate, this rotation makes magnetic conduction soft board A19 and permanent magnet A20 create current vortex magnetic field, the cooling fan that this field drives fan connection dish 5 is connected with rotates, and now, clutch does two speed and the operating of middling speed flexibility.
At full speed: coil part 3 is in off-position, it is energized after coil 1 delay time h. Time h can be 2s. Now, coil 1 energising produces electromagnetic attraction adhesive the first adhesive dish 7, belt pulley 8 is thus connected dish 5 with fan be connected, belt pulley 8 does not need through miscellaneous part transmission, but directly drive fan connection dish 5 to rotate, therefore clutch rotational speed is greatly improved, and now, cooling fan is three speed and full-speed operation.
During clutch cold start-up of the present utility model, fan for cooling need not be cooled down owing to electromotor self-temperature is low, so, produce electromagnetic attraction to coil part 3 energising to be combined with adhesive dish 2, the fan being connected with adhesive dish 2 is connected dish 5, and the cooling fan on fan connection dish 5 is fixed together, now, cooling fan does fast zero rotation speed operation, it is achieved that real zero-speed. requirement according to above-mentioned 3 rotating speeds, when engine water temperature reaches setting value, control coil element 3, coil 1 is power-off, electromagnetic attraction is made to disappear, adhesive dish 2 and iron-core element 4 disconnect, iron core 1 and the first adhesive dish 7 also disconnect, fan connection dish 5 loses restriction, stress can rotate, belt pulley 8 drives the heat dissipation plate 18 being connected with magnetic conduction soft board A19 to rotate, magnetic conduction soft board A19 is connected with fan between the permanent magnet A20 on dish 5 and produces current vortex magnetic field, drive the cooling fan that fan connection dish 5 is connected with to rotate and do soft drive, now, cooling fan does two speed middling speed operatings. in like manner, when water temperature continues to raise as setting value, control coil element 3 is in off-position, coil 1 energising, coil 1 energising produces electromagnetic attraction adhesive the first adhesive dish 7, it is connected owing to the first adhesive dish 7 is connected dish 5 with fan, so, the cooling fan that fan connection dish 5 is connected with rotates at full speed under belt pulley 8 drives. as can be seen here, the rotating speed of the clutch of the present embodiment is more controllable, and controls simple to operate, can realize cooling fan zero-speed when engine water temperature is low, meet power conservation requirement, and particularly in extremely frigid zones, this power savings advantages is more prominent. simultaneously third gear rotating speed efficiently reduces the speed discrepancy of rotating speed gear, makes clutch operate steadily, associated components is impacted little, wear and tear little, and wire harness is not easily torn, and greatly reduces clutch use cost.
In sum, clutch of the present utility model meets the demand of Fast Cooling, meets power conservation requirement further, particularly in extremely frigid zones, significantly reduces electromotor energy consumption. Additionally, electromotor can normally be lowered the temperature by clutch of the present utility model under high speed state, considerably reduce cooling fan rotation speed switching frequency, reduce operating noise simultaneously, decrease the impact endurance test shock to electromotor connector and electromagnetic fan clutch and wear and tear. And, can not stop in time in the above-mentioned whole power-off of each coil or vehicle, or under other complex situations that temporarily Parking permitted, clutch of the present utility model in power free situation, can work under two speed middling speed soft drive.
Embodiment described above is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this utility model; various deformation that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that this utility model claims are determined.

Claims (10)

1. a safety type three-speed electromagnetic fan clutch, including dead axle (13), dead axle (13) is rotatably connected to fan connection dish (5), the belt pulley (8) that are coaxial therewith, described fan connection dish (5) and belt pulley (8) from a side end face installing connector, a side end face adjacent with belt pulley (8) is by the connected first adhesive dish (7) of the first shell fragment (6), gap is there is between described belt pulley (8) and the first adhesive dish (7), it is characterised in that:
Described fan connection dish (5) is equiped with speed electromagnetic clutch device (100) being coaxial therewith and being fixed on dead axle (13), described speed electromagnetic clutch device (100) can limit fan connection dish (5) and rotate
It is equiped with eddy current permanent-magnet flexible drive device (200) between described fan connection dish (5) and belt pulley (8), described eddy current permanent-magnet flexible drive device (200) can produce current vortex field drives fan connection dish (5) and rotate
It is inlaid with in described belt pulley (8) and is fixed on dead axle (13) one end and the iron core member (300) coaxial with dead axle (13), between described iron core member (300) and the first adhesive dish (7), there is gap and can with the first adhesive dish (7) adhesive.
2. safety type three-speed electromagnetic fan clutch according to claim 1, it is characterized in that: described speed electromagnetic clutch device (100) is positioned at fan connection dish (5) inner chamber, described speed electromagnetic clutch device (100) includes axially installing successively and the shell fragment (1) coaxial with dead axle (13) along dead axle (13), adhesive dish (2), coil part (3) and iron-core element (4), described adhesive dish (2) is fixed on the internal face of fan connection dish (5) by shell fragment (1), the iron-core element (4) of embedded wired coil element (3) is fixed on dead axle (13), there is gap between adhesive dish (2) and iron-core element (4) and can be pulled together.
3. safety type three-speed electromagnetic fan clutch according to claim 1, it is characterized in that: described speed electromagnetic clutch device (100) is positioned in the outside side outside wall surface away from belt pulley (8) of fan connection dish (5), described speed electromagnetic clutch device (100) includes axially installing successively and the shell fragment (1) coaxial with dead axle (13) along dead axle (13), adhesive dish (2), coil part (3) and iron-core element (4), described adhesive dish (2) is fixed in the outside wall surface of fan connection dish (5) by shell fragment (1), the iron-core element (4) of embedded wired coil element (3) is fixed on dead axle (13), there is gap between described adhesive dish (2) and iron-core element (4) and can be pulled together.
4. the safety type three-speed electromagnetic fan clutch according to Claims 2 or 3, it is characterized in that: described eddy current permanent-magnet flexible drive device (200) includes being arranged on the permanent magnet A (20) that belt pulley (8) is connected between dish (5) with fan, magnetic conduction soft board A (19), described belt pulley (8) is fixed with heat dissipation plate (18) near the side of fan connection dish (5), magnetic conduction soft board A (19) embeds in heat dissipation plate (18), fan connection dish (5) upper installing permanent magnet A (20), permanent magnet A (20) is relative with magnetic conduction soft board A (19) position and gap is arranged, permanent magnet A (20) is interchangeable with the position of magnetic conduction soft board A (19),
Described iron core member (300) includes iron core one (9) and the coil one (10) being embedded in iron core one (9), there is gap and can with the first adhesive dish (7) adhesive between described iron core one (9) and the first adhesive dish (7).
5. safety type three-speed electromagnetic fan clutch according to claim 4, it is characterized in that: described dead axle (13) axially recessing (131), radially convincing string holes (132) by patient analysis, the wire in described iron-core element (4) is derived by described groove (131), wire guide (132).
6. safety type three-speed electromagnetic fan clutch according to claim 5, it is characterized in that: described speed electromagnetic clutch device (100) also includes magnetic conductive disk (29), described magnetic conductive disk (29) is fixedly mounted on dead axle (13), dead axle (13) is axially sequentially provided with shell fragment (1), adhesive dish (2), magnetic conductive disk (29), coil part (3) and iron-core element (4) successively, there is gap between described magnetic conductive disk (29) and adhesive dish (2).
7. safety type three-speed electromagnetic fan clutch according to claim 6, it is characterised in that: described fan connection dish (5) is provided with observation panel (51), reinforcement (52) diametrically.
8. safety type three-speed electromagnetic fan clutch according to claim 7, it is characterized in that: described fan connection dish (5) is connected locking plate (22) on the end face of belt pulley (8) side, described locking plate (22) is by the connected first adhesive dish (7) of the first shell fragment (6), gap is there is between described belt pulley (8) and the first adhesive dish (7), described locking plate (22) is upper is connected several along the equally distributed fixed block of its circumferencial direction (21), several described permanent magnet A (20) are fixedly mounted on described fixed block (21).
9. safety type three-speed electromagnetic fan clutch according to claim 8, it is characterized in that: described belt pulley (8) is provided with several annular magnetic conductive grooves (81) coaxial with dead axle (13) near a side end face of the first adhesive dish (7), several described annulars magnetic conductive groove (81) are arranged from inside to outside along the radial direction of belt pulley (8).
10. safety type three-speed electromagnetic fan clutch according to claim 7, it is characterized in that: described fan connection dish (5) is rotationally connected by bearing one (27) and dead axle (13), described belt pulley (8) is rotationally connected by bearing three (14) and dead axle (13), and described iron core member (300) is fixed on dead axle (13) by fixing plate (15).
CN201521081122.4U 2015-09-30 2015-12-22 Safe formula three -speed electromagnetic fan clutch Active CN205277580U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521081122.4U CN205277580U (en) 2015-09-30 2015-12-22 Safe formula three -speed electromagnetic fan clutch

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2015106408502 2015-09-30
CN201510640850 2015-09-30
CN201521081122.4U CN205277580U (en) 2015-09-30 2015-12-22 Safe formula three -speed electromagnetic fan clutch

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CN105484849A (en) 2016-04-13
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CN205532835U (en) 2016-08-31
CN105604673B (en) 2018-05-04

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