CN102797770B - Fan three-speed electromagnetic clutch for automobile - Google Patents
Fan three-speed electromagnetic clutch for automobile Download PDFInfo
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- CN102797770B CN102797770B CN201210307446.XA CN201210307446A CN102797770B CN 102797770 B CN102797770 B CN 102797770B CN 201210307446 A CN201210307446 A CN 201210307446A CN 102797770 B CN102797770 B CN 102797770B
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Abstract
The invention discloses a fan three-speed electromagnetic clutch for an automobile. The fan three-speed electromagnetic clutch comprises a driving shaft, a magnetic yoke bearing and a magnetic yoke, wherein the magnetic yoke bearing is arranged on the left side of the driving shaft; the magnetic yoke is arranged on the outer ring of the magnetic yoke bearing; a two-speed coil and a three-speed coil are arranged in sequence towards the outer side along the circle center on the right side face of the magnetic yoke; the right side of the magnetic yoke is provided with a driving disk which is sleeved on the driving shaft; the driving disk is provided with a two-speed dynamic iron core which is arranged corresponding to the two-speed coil, and a three-speed dynamic iron core which is arranged corresponding to the three-speed coil; the two-speed dynamic iron core is connected with a labyrinth disk through a two-speed elastic sheet, and constructs a differential transmission mechanism together with a front cover; the three-speed dynamic iron core is connected with the front cover through a three-speed elastic sheet; and the front cover is sleeved on the right side of the driving shaft through a front cover bearing. The fan three-speed electromagnetic clutch is characterized in that: the differential transmission mechanism is a silicon oil differential transmission mechanism. The fan three-speed electromagnetic clutch has the advantages of higher stability, longer service life, and lower cost since the price of silicon oil is much lower than that of magnet.
Description
Technical field
The present invention relates to a kind of magnetic clutch, especially a kind of onboard fan three-speed electromagnetic clutch.
Background technique
Onboard fan clutch is the device of realizing clutch regulation and control for onboard fan.The existing a kind of onboard fan three-speed electromagnetic clutch that can realize three grades of output speed regulation and control, its structure as shown in Figure 1, comprises the members such as driving shaft 1, yoke bearing 2, two-speed coil 3, yoke 4, three fast coils 5, driving disc 6, three quick-action iron cores 7, three fast shell fragments 8, two quick-action iron cores 9, permanent magnet 10, two-speed shell fragment 11, protecgulum 12, magnetic receiver 13, magnetic receiver bearing 14, Front Cover Bearing 15.
In the time of clutch place one speed, two-speed coil, the equal no electric circuit of three fast coils, motor output speed directly through driving shaft 1, Front Cover Bearing 15, reach protecgulum 12 and drive fan to rotate, at this moment rotating speed is very low.
In the time of clutch place two-speed, the two-speed coil 3 adhesive two quick-action iron cores 9 of switching on, motor output speed passes through two-speed shell fragment 11 and magnetic receiver 13 use screw attachment by driving shaft 1, driving disc 6, two quick-action iron cores 9, two quick-action iron cores, permanent magnet on magnetic receiver 13 10 be embedded in the magnet steel adhesive on protecgulum 12, the fan that drive is contained on protecgulum rotates, and at this moment fan place two-speed running, when two-speed coil blackout, two quick-action iron cores are thrown off with driving disc under the effect of two-speed shell fragment elastic force, and two-speed stops;
In the time of clutch place three speed, the three fast coils 5 adhesive three quick-action iron cores 7 of switching on, motor output speed is riveted by driving shaft 1, driving disc 6, three quick-action iron core 7(tri-quick-action iron cores and three fast shell fragments), three fast shell fragments 8 reach the fast shell fragment of protecgulum 12(tri-and protecgulum screw attachment), the fan that drive is contained on protecgulum rotates, at this moment fan place full-speed operation.When three fast coil blackouts, three quick-action iron cores are thrown off with driving disc under three fast shell fragment elastic force effects, and three speed stop.
Wherein realize two-speed running, adopt differential gear, existing differential gear comprises two quick-action iron cores 9 of setting corresponding to two-speed coil 3, the two-speed shell fragment 11 being fixedly connected with two quick-action iron cores 9 and the magnetic receiver 13 being fixedly connected with two-speed shell fragment 11, permanent magnet 10 is set, the magnet steel of setting and permanent magnet 10 phase adhesives on protecgulum 12 on magnetic receiver 13; Wherein the pick up torque of two quick-action iron cores 9 and two-speed coil 3 is greater than the pick up torque of permanent magnet 10 and magnet steel.In this differential gear, be to realize differential drive by magnet attraction,, in the time that driving shaft input torque is greater than protecgulum maximum output torque, the adhesive face of permanent magnet 10 and protecgulum upper magnetic steel produces rotating speed slippage and realizes differential drive.
In this existing structure, clutch is in two-speed working state, to drive fan to rotate by the magnet steel on the permanent magnet 10 adhesive protecgulums 12 on magnetic receiver 13, and permanent magnet and magnet steel can heating produce high temperature in cutting magnetic line process, in the time that magnet is worked for a long time under high temperature, magnetic force will be decayed gradually, finally cause clutch to lose efficacy, therefore existence and stability is poor, the defect that the life-span is short; In addition permanent magnet is rare earth material, has price, the defect that cost is high.
Summary of the invention
For above-mentioned deficiency, technical problem to be solved by this invention is, how to provide a kind of stability better, and the life-span is longer, onboard fan three-speed electromagnetic clutch with low cost.
In order to solve the problems of the technologies described above, in the present invention, adopt following technological scheme.
A kind of onboard fan three-speed electromagnetic clutch, comprise driving shaft 1, at the yoke bearing in driving shaft left side and be arranged on the yoke on yoke bearing outer ring, (definition driving shaft input side is left side to right flank in yoke, Ce Wei right side, protecgulum place) be outwards disposed with two-speed coil and three fast coils along the center of circle, yoke right side is provided with the driving disc being socketed on driving shaft, driving disc has two quick-action iron cores of corresponding two-speed coil setting and the three quick-action iron cores that corresponding three fast coils arrange, two quick-action iron cores are connected with protecgulum by differential gear, three quick-action iron cores are connected with protecgulum by three fast shell fragments, protecgulum is set in driving shaft 1 right side by Front Cover Bearing, it is characterized in that, described differential gear is silicone oil formula differential gear.
In this programme, silicone oil formula differential gear refers to taking silicone oil as medium, utilize silicone oil stickiness to carry out the mechanism of differential drive, in scheme, change the magnet-type differential gear in two-speed Transmitted chains into silicone oil formula differential gear, also there is in the course of the work heating in silicone oil medium, silicon oil viscosity also can raise and reduce with temperature, carry-over moment also can decline, but in the time that it reaches thermal equilibrium state, also just reach moment and stablize output state, and can be because not existing heating to lose efficacy, therefore improved stability and working life.
As optimization, described silicone oil formula differential gear, comprise two-speed shell fragment, labyrinth disc, oil sealing base, oil sealing, every dish and labyrinth disc bearing, described labyrinth disc bearing housing is located on the driving shaft between driving disc and Front Cover Bearing, described labyrinth disc have one for the cylindrical part of labyrinth disc bearing secure fit, the outer middle side part of cylindrical part has a round plate to cylindrical part periphery projection, the both sides of round plate have respectively multi-turn and are used to form the protruding circular ring in labyrinth, the cylindrical part in the round plate left side of described labyrinth disc is also arranged with oil sealing base outward, oil sealing base circumferential position connects cooperation place and is provided with O RunddichtringO with protecgulum, in oil sealing base, between ring side place and the cylindrical part of labyrinth disc, be provided with oil sealing, the cylindrical part cylindrical place on the round plate right side of labyrinth disc be provided be fixed on protecgulum every dish, projection on equal corresponding labyrinth disc is provided with the spill annular groove of coupling and forms labyrinth cavity configuration on the oil sealing base of labyrinth disc left surface and on the protecgulum of labyrinth disc right flank, in the cavity configuration of labyrinth, be filled with silicone oil.
After optimizing like this, adopt labyrinth structure to increase silicone oil and driving component area of contact, improve transmission effect, while this silicone oil formula differential gear also has simple in structure, silicone oil good sealing effect, the feature such as easy to assembly.
As further optimization, also comprise silicone oil cycle cooling system, described silicone oil cycle cooling system comprises being positioned at and on dish, closes on the oil outlet of protecgulum position, in the silicone oil pond forming every dish with between the protecgulum on dish right side, be positioned at oil circuit and spill port on protecgulum, described oil outlet is communicated with between chamber, labyrinth and silicone oil pond, and described oil circuit one end is communicated with silicone oil pond, the other end is communicated with outside, chamber, labyrinth by spill port, forms closed loop.After optimizing like this, silicone oil medium working procedure is a flow circuit process, can dispel the heat by protecgulum radiating fin on the one hand, can dispel the heat by flow circuit on the other hand, effectively improve the heating of silicone oil in working procedure, improved silicone oil transmission effect, be also beneficial to maintenance transmission stability.
In sum, it is better that the present invention has stability, the advantage that the life-span is longer, and silicone oil price is far below magnet price, therefore also possess advantage with low cost simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of existing onboard fan three-speed electromagnetic clutch described in background technique.
Fig. 2 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
When concrete enforcement, as shown in Figure 2, a kind of onboard fan three-speed electromagnetic clutch, comprise driving shaft 1, yoke bearing 2 by driving shaft left side is arranged on the yoke 4 outside driving shaft 1, (definition driving shaft input side is left side to right flank in yoke 4, Ce Wei right side, protecgulum place) be outwards disposed with two-speed coil 3 and three fast coils 5 along the center of circle, yoke 4 right sides are provided with the driving disc 6 that is socketed in driving shaft 1, driving disc 6 has the three quick-action iron cores 7 that two quick-action iron cores 8 that corresponding two-speed coil 3 arranges and corresponding three fast coils 5 arrange, two quick-action iron cores 8 are connected with protecgulum 9 by differential gear, three quick-action iron cores 7 are connected with protecgulum 9 by three fast shell fragments 17, protecgulum 9 is set in driving shaft 1 right side by Front Cover Bearing 15, wherein, described differential gear is silicone oil formula differential gear.
When concrete enforcement, described silicone oil formula differential gear, comprise two-speed shell fragment 16, labyrinth disc 12, oil sealing base 10, oil sealing 11, every dish 13 and labyrinth disc bearing 14, described labyrinth disc bearing 14 is set on the driving shaft 1 between driving disc 6 and Front Cover Bearing 15, described labyrinth disc 12 have one for the cylindrical part of labyrinth disc bearing 14 secure fit, the outer middle side part of cylindrical part has a round plate to cylindrical part periphery projection, the both sides of round plate have respectively multi-turn and are used to form the protruding circular ring in labyrinth, the cylindrical part in the round plate left side of described labyrinth disc 12 is also arranged with oil sealing base 10 outward, oil sealing base 10 circumferential position connect cooperation place with protecgulum 9 and are provided with O RunddichtringO, between oil sealing base 10 interior ring side place and the cylindrical part of labyrinth disc, be provided with oil sealing 11, the cylindrical part cylindrical place on the round plate right side of labyrinth disc 12 be provided be fixed on protecgulum 9 every dish 13, projection on equal corresponding labyrinth disc is provided with the spill annular groove of coupling and forms labyrinth cavity configuration on the oil sealing base of labyrinth disc left surface and on the protecgulum of labyrinth disc right flank, in the cavity configuration of labyrinth, be filled with silicone oil.
When concrete enforcement, also comprise silicone oil cycle cooling system, described silicone oil cycle cooling system comprises being positioned at and on dish, closes on the oil outlet 18 of protecgulum position, in the silicone oil pond 19 forming every dish with between the protecgulum on dish right side, be positioned at oil circuit 20 and spill port 21 on protecgulum, described oil outlet is communicated with between chamber, labyrinth and silicone oil pond, and described oil circuit one end is communicated with silicone oil pond, and the other end is communicated with outside, chamber, labyrinth by spill port.
This onboard fan three-speed electromagnetic clutch has a speed, two-speed while use, three kinds of drive states of three speed.
In the time of clutch place one speed, two-speed coil, the equal no electric circuit of three fast coils, motor output speed directly through driving shaft, Front Cover Bearing, reach protecgulum and drive fan to rotate, at this moment rotating speed is very low;
In the time of clutch place two-speed, two-speed coil electricity adhesive two quick-action iron cores, motor output speed passes through two-speed shell fragment and labyrinth disc screw attachment by driving shaft, driving disc, two quick-action iron cores, two quick-action iron cores, form silicone oil power cavity by oil sealing base, labyrinth disc, protecgulum, by labyrinth disc, motion is reached to protecgulum by silicone oil medium, the fan that drive is contained on protecgulum rotates, at this moment fan place two-speed running.
In two-speed operation process, be stored in silicone oil pond silicone oil by entering maze trough in power cavity every dish oil outlet, in maze trough, silicone oil is under centrifugal action, by oil return lead to, oil circuit goes back to silicone oil pond, form closed loop, silicone oil medium working procedure is a flow circuit process like this, can dispel the heat by protecgulum radiating fin on the one hand, can dispel the heat by flow circuit on the other hand, effectively improve the heating of silicone oil in working procedure.
In the time of clutch place three speed, three fast coil electricity adhesive three quick-action iron cores, motor output speed reaches protecgulum (three fast shell fragments and protecgulum screw attachment) by driving shaft, driving disc, three quick-action iron cores (three quick-action iron cores and three fast shell fragment riveted joints), three fast shell fragments, the fan that drive is contained on protecgulum rotates, at this moment fan place full-speed operation.When three fast coil blackouts, three quick-action iron cores are thrown off with driving disc under three fast shell fragment elastic force effects, and three speed stop.
Claims (2)
1. an onboard fan three-speed electromagnetic clutch, comprise driving shaft, at the yoke bearing in driving shaft left side and be arranged on the yoke on yoke bearing outer ring, in yoke, right flank is outwards disposed with two-speed coil and three fast coils along the center of circle, yoke right side is provided with the driving disc that is socketed in driving shaft, driving disc has two quick-action iron cores of corresponding two-speed coil setting and the three quick-action iron cores that corresponding three fast coils arrange, two quick-action iron cores are connected with protecgulum by differential gear, three quick-action iron cores are connected with protecgulum by three fast shell fragments, protecgulum is set in driving shaft right side by Front Cover Bearing, it is characterized in that, described differential gear is silicone oil formula differential gear, described silicone oil formula differential gear, comprise two-speed shell fragment, labyrinth disc, oil sealing base, oil sealing, every dish and labyrinth disc bearing, described labyrinth disc bearing housing is located on the driving shaft between driving disc and Front Cover Bearing, described labyrinth disc have one for the cylindrical part of labyrinth disc bearing secure fit, the outer middle side part of cylindrical part has a round plate to cylindrical part periphery projection, the both sides of round plate have respectively multi-turn and are used to form the protruding circular ring in chamber, labyrinth, the cylindrical part in the round plate left side of described labyrinth disc is also arranged with oil sealing base outward, oil sealing base circumferential position connects cooperation place and is provided with O RunddichtringO with protecgulum, in oil sealing base, between ring side place and the cylindrical part of labyrinth disc, be provided with oil sealing, the cylindrical part cylindrical place on the round plate right side of labyrinth disc be provided be fixed on protecgulum every dish, projection on equal corresponding labyrinth disc is provided with the spill annular groove of coupling and forms labyrinth cavity configuration on the oil sealing base of labyrinth disc left surface and on the protecgulum of labyrinth disc right flank, in the cavity configuration of labyrinth, be filled with silicone oil.
2. onboard fan three-speed electromagnetic clutch as claimed in claim 1, it is characterized in that, also comprise silicone oil cycle cooling system, described silicone oil cycle cooling system comprises being positioned at and on dish, closes on the oil outlet of protecgulum position, in the silicone oil pond forming every dish with between the protecgulum on dish right side, be positioned at oil circuit and spill port on protecgulum, described oil outlet is communicated with between chamber, labyrinth and silicone oil pond, described oil circuit one end is communicated with silicone oil pond, and the other end is communicated with outside, chamber, labyrinth by spill port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307446.XA CN102797770B (en) | 2012-08-27 | 2012-08-27 | Fan three-speed electromagnetic clutch for automobile |
| CN201210348506.2A CN102840250B (en) | 2012-08-27 | 2012-08-27 | A kind of oil circulation radiation system of onboard fan three-speed electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307446.XA CN102797770B (en) | 2012-08-27 | 2012-08-27 | Fan three-speed electromagnetic clutch for automobile |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348506.2A Division CN102840250B (en) | 2012-08-27 | 2012-08-27 | A kind of oil circulation radiation system of onboard fan three-speed electromagnetic clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102797770A CN102797770A (en) | 2012-11-28 |
| CN102797770B true CN102797770B (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348506.2A Active CN102840250B (en) | 2012-08-27 | 2012-08-27 | A kind of oil circulation radiation system of onboard fan three-speed electromagnetic clutch |
| CN201210307446.XA Active CN102797770B (en) | 2012-08-27 | 2012-08-27 | Fan three-speed electromagnetic clutch for automobile |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348506.2A Active CN102840250B (en) | 2012-08-27 | 2012-08-27 | A kind of oil circulation radiation system of onboard fan three-speed electromagnetic clutch |
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| CN (2) | CN102840250B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153866B (en) * | 2014-08-01 | 2015-05-13 | 刘淑芹 | Three-speed electromagnetic silicone oil fan clutch |
| CN108918993B (en) * | 2018-05-18 | 2021-02-05 | 上海埃德电子股份有限公司 | Motor test system with novel structure and capable of meeting electromagnetic compatibility test indexes |
| CN110966078B (en) * | 2020-03-05 | 2020-07-10 | 盛瑞传动股份有限公司 | Electric control silicone oil clutch for internal combustion engine mechanical water pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5992594A (en) * | 1997-12-04 | 1999-11-30 | Behr Gmbh & Co. | Fluid friction clutch |
| CN201228582Y (en) * | 2008-07-03 | 2009-04-29 | 上海隆中汽车部件有限公司 | Prepositive electromagnetic clutch assembly of automobile fan |
| CN101769193A (en) * | 2008-12-31 | 2010-07-07 | 华纳圣龙（宁波）有限公司 | Electronic silicone oil fan clutch |
| CN101949321A (en) * | 2010-08-25 | 2011-01-19 | 龙口中宇机械有限公司 | Double-flexible driven electromagnetic fan clutch for high-power and heavy type vehicle |
| CN202391545U (en) * | 2011-11-22 | 2012-08-22 | 嘉兴市纽曼机械有限公司 | Three-speed electromagnetic fan clutch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201125775Y (en) * | 2007-12-14 | 2008-10-01 | 华纳圣龙（宁波）有限公司 | Quenching and tempering type silicon oil fan clutches |
-
2012
- 2012-08-27 CN CN201210348506.2A patent/CN102840250B/en active Active
- 2012-08-27 CN CN201210307446.XA patent/CN102797770B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5992594A (en) * | 1997-12-04 | 1999-11-30 | Behr Gmbh & Co. | Fluid friction clutch |
| CN201228582Y (en) * | 2008-07-03 | 2009-04-29 | 上海隆中汽车部件有限公司 | Prepositive electromagnetic clutch assembly of automobile fan |
| CN101769193A (en) * | 2008-12-31 | 2010-07-07 | 华纳圣龙（宁波）有限公司 | Electronic silicone oil fan clutch |
| CN101949321A (en) * | 2010-08-25 | 2011-01-19 | 龙口中宇机械有限公司 | Double-flexible driven electromagnetic fan clutch for high-power and heavy type vehicle |
| CN202391545U (en) * | 2011-11-22 | 2012-08-22 | 嘉兴市纽曼机械有限公司 | Three-speed electromagnetic fan clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102840250A (en) | 2012-12-26 |
| CN102840250B (en) | 2015-11-11 |
| CN102797770A (en) | 2012-11-28 |
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