CN108087095A - Silicon oil filled fan clutch - Google Patents
Silicon oil filled fan clutch Download PDFInfo
- Publication number
- CN108087095A CN108087095A CN201810032003.1A CN201810032003A CN108087095A CN 108087095 A CN108087095 A CN 108087095A CN 201810032003 A CN201810032003 A CN 201810032003A CN 108087095 A CN108087095 A CN 108087095A
- Authority
- CN
- China
- Prior art keywords
- blade
- fan
- silicon oil
- oil filled
- fan clutch
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- 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
- F01P2050/00—Applications
- F01P2050/22—Motor-cars
Abstract
Silicon oil filled fan clutch, it is related to a kind of engine cooling apparatus, the blade includes blade and lower blade, holding tank is provided on the blade, the receiving trench bottom is provided with iron bar, the inferior lobe on piece is provided with and the matched inserted sheet of the holding tank, it is provided with and the matched electromagnet array of the iron bar at the top of the inserted sheet, the blade and the lower blade mutually move under the action of the iron bar and the electromagnet array, and recline flexible film on the blade.Compared with prior art, the beneficial effects of the invention are as follows：Being arranged on fan on silicon oil filled fan clutch flabellum can be unfolded under the influence of centrifugal force in silicon oil filled fan clutch low-speed running, to increase intake, strengthen radiating efficiency, flabellum is shunk when silicon oil filled fan clutch runs at high speed, to reduce noise, solve the problem of during previous silicon-oil fan low-power that noise is big during intake few high power.
Description
Technical field
The present invention relates to a kind of engine cooling apparatus, especially a kind of silicon-oil fan.
Background technology
Automobile in the process of moving, especially heavy goods vehicle and engineering truck in the process of moving, due to environmental condition
With the variation of operating condition, the hot situation of engine is also changing.Therefore, it is necessary to the intensity of cooling of engine is adjusted at any time.Example
Such as, during the broiling summer, engine is in low speed, big working under load, and when the temperature of coolant is very high, fan should rotate at a high speed
To increase cooling air quantity, enhance the heat-sinking capability of radiator；And in cold winter, when coolant temperature is relatively low or in automobile
When powerful heading on of running at high speed blows air over radiator, fan, which works on, just becomes meaningless.Not only consume in vain
Engine power, but also generate very big noise.Its intensity of cooling is adjusted just at any time according to the hot situation of engine
Seem particularly significant.The device silicon oil filled fan clutch between blower pulley and cooling fan, both silicon-oil fan was to realize this
One of method that kind is adjusted.
By the use of silicone oil as medium, torque is transferred using silicone oil shearing viscous force for silicon oil filled fan clutch.The rotating speed of fan is to examine
Consider and ensure what engine designed under conditions of not overheating when use condition is most severe, therefore, during vehicle usually travels,
The rotating speed of fan should be controlled in proper range, could so reduce noise, improve engine economy.For engine
The fan of driving controls its rotating speed usually using fan clutch.Envelope toughness fluid inside clutch（Silicone oil）, by its shearing
Viscous force transfers torque.Equipped with bimetal leaf before fan, with its sensing by the air themperature of radiator, fan is thus controlled
Silicone oil amount in working chamber, only if necessary, could transfer torque rotates fan.
But silicon-oil fan can also send very strong noise in the running, and, warp louder with the increase noise of rotating speed
Cross research show fan blade it is more long then noise is stronger under same rotational speed, contract if silicon-oil fan is with the rise of rotating speed
The size of vanelets then can further reduce noise content.
The content of the invention
The present invention provides silicon oil filled fan clutch, is arranged on silicon oil filled fan clutch for deficiency of the prior art
Upper fan flabellum can be unfolded under the influence of centrifugal force in silicon oil filled fan clutch low-speed running, to increase intake, strengthen
Radiating efficiency shrinks flabellum when silicon oil filled fan clutch runs at high speed, and to reduce noise, solves previous silicon-oil fan low-power
When intake it is few, the problem of noise is big during high power.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：Silicon oil filled fan clutch, bag
Include sealing bearing, the sealing bearing outer ring is provided with housing, and the inner ring is provided with driving shaft, on the driving shaft
Driving disc spacing pressing is installed, is provided on housing and the corresponding driven disc of the driving disc spacing pressing, the driving disc spacing pressing and described driven
Disk is engaged transmission torque by silicone oil, and fan is arranged on the housing, and uniform circular is provided on the fan
Several blades, the blade include blade and lower blade, holding tank, the receiving are provided on the blade
Trench bottom is provided with iron bar, and the inferior lobe on piece is provided with and the matched inserted sheet of the holding tank, inserted sheet top
It is provided with the matched electromagnet array of the iron bar, the blade and the lower blade in the iron bar and described
It is mutually moved under the action of electromagnet array, recline flexible film on the blade.
In above-mentioned technical proposal, it is preferred that positive stop strip is provided on the inserted sheet, be provided in the holding tank with
The matched limiting slot of positive stop strip.
In above-mentioned technical proposal, it is preferred that uniform rotation is provided with several balls on the positive stop strip.
In above-mentioned technical proposal, it is preferred that the shiny surface with the ball engagement is provided in the limiting slot.
In above-mentioned technical proposal, it is preferred that the shiny surface has polytetrafluorethylecoatings coatings.
In above-mentioned technical proposal, it is preferred that conductive ring is provided on the housing, the fan includes fan circle,
The blade is arranged on the fan circle, and the fan circle is contacted on the conductive ring, is set in the blade
Conducting wire is equipped with, is provided with several contact points on the fan circle, the conducting wire connection contact point and described
Electromagnet array.
The present invention is a kind of silicon oil filled fan clutch, and silicon oil filled fan clutch further includes the fan being disposed thereon, fan
Blade is divided into blade and lower blade, and blade and lower blade opposite can slide, and both blade area and length of blade can be with
Become larger and become smaller.It is well known under equal rates, the length of blade is longer, area is bigger, then ventilation quantity is more, but blade is longer
More big noise operationally is louder.Therefore the present invention is then to increase each blade in the operation of silicon oil filled fan clutch low speed
Size and area also obtain larger intake during silicon oil filled fan clutch low speed, ensures that engine is cooled down, energy
The carry out low speed operation that silicon oil filled fan clutch is allowed to stablize reduces the time of silicon oil filled fan clutch high-speed cruising.If silicone oil
When fan clutch needs high-speed cruising, upper leaf can be allowed by the electromagnet array and iron bar that are arranged in blade and lower blade
Piece and lower blade retraction reduce the size and area of blade so that noise content is reduced.Because it is transported at a high speed in silicon oil filled fan clutch
The variation of the part of leaf blade size and area will not allow intake to generate the variation of matter during row, and instead and then noise level can drastically rise
It is high.The flexible film of the invention that also reclines on blade, elastic film can extend with the variation of blade and lower blade,
No matter how the shape of blade changes, and blade can be all considered as one by elastic film, prevents the company between blade and lower blade
Cause the decline of air intake efficiency in the place of connecing.The present apparatus is transported under in heat dissipation silicon oil filled fan clutch being made to be in low power state for a long time
Row, also can significantly reduce fan noise, the present apparatus is particularly suitable for having big-block engine even if running at high power
Large-scale loading lorry and large-scale engineering machinery equipment.
Compared with prior art, the beneficial effects of the invention are as follows：Being arranged on fan on silicon oil filled fan clutch can be in silicone oil
Flabellum is unfolded under the influence of centrifugal force during fan clutch low-speed running, to increase intake, strengthens radiating efficiency, in silicone oil
Flabellum is shunk when fan clutch runs at high speed, to reduce noise, it is few to solve intake during previous silicon-oil fan low-power, Gao Gong
The problem of noise is big during rate.
Description of the drawings
Fig. 1 is silicon oil filled fan clutch side schematic view of the present invention.
Fig. 2 is silicon oil filled fan clutch side of the present invention use state diagram.
Fig. 3 is blade schematic diagram of the present invention.
Fig. 4 is silicon oil filled fan clutch front schematic view of the present invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1, as shown in Figures 1 to 4, a kind of silicon oil filled fan clutch, including sealing bearing 1, the sealing axis
It holds 1 outer ring and is provided with housing 2,1 inner ring of sealing bearing is provided with driving shaft 11, master is equipped on the driving shaft 11
Moving plate 12 is provided on housing 2 and the 12 corresponding driven disc 21 of driving disc spacing pressing, the driving disc spacing pressing 13 and described driven
Disk 21 is engaged transmission torque by silicone oil.Conductive ring 33 is provided on the housing 2, the fan includes fan circle
34,3 uniform circular of blade is arranged on the fan circle 34, and the fan circle is contacted on the conductive ring 33
34, it is however generally that conductive ring 33 is fixedly connected with fan circle 34, and conductive ring 33 is made of conductive material, and is powered.Described
Blade 3 includes blade 31 and lower blade 32, and inserted sheet 4 is provided on the lower blade 32, and 4 top of inserted sheet is provided with
Electromagnet array 51 is provided with and the 4 matched holding tank 5 of inserted sheet, 5 bottom of holding tank on the blade 31
Portion is provided with and the 51 matched iron bar 41 of electromagnet array.Positive stop strip 42, the appearance are provided on the inserted sheet 4
It receives and is provided with and the 42 matched limiting slot 54 of positive stop strip in slot 5.If uniform rotation is provided on the positive stop strip 42
Dry ball 43.The limiting slot 54 has polytetrafluorethylecoatings coatings and 54 surface shiny surface of limiting slot, the contact limit of ball 43
Position 54 surface of slot.Conducting wire 53 is provided in the blade 3, several contact points 52, institute are provided on the fan circle 34
The conducting wire 53 stated connects the contact point 52 and the electromagnet array 51.Recline flexible film on the blade 3
6。
In use, silicone oil can enter the space between driving disc spacing pressing 12 and driven disc 21, Ran Hou after engine temperature rise
Driving disc spacing pressing 12 drives driven disc 21 to rotate under the transmission of silicone oil, and then housing 2 rotates, both fan running, and conductive ring 33 is not at this time
With electricity, electromagnet array 51 is nonmagnetic.Fan rubs under the influence of centrifugal force and between inserted sheet 4 and holding tank 5 after rotating
Power is small, can be separated between blade 31 and lower blade 32, and the size and area of entire blade 3 increase so that and air intake efficiency improves,
Strengthen radiating efficiency.If engine temperature persistently raises, more and more silicone oil enter between driving disc spacing pressing 12 and driven disc 21
The rotating speed of space then fan can be increasingly stronger, air intake efficiency and noise can also enhance with the increase of rotation speed of the fan.At this time
Conductive ring 33 is allowed to be powered, electromagnet array 51 is allowed to generate magnetism, is gathered blade 31 and lower blade 32 by magnetic force, due to leaf
3 size of piece and area all reduce, and consequently reduce noise.No matter how to change between blade 31 and lower blade 32, in bullet
The surface of blade 3 can be considered as a face under the action of property film 6, and elastic film 6 has covered in blade 31 and lower blade 32
Junction, this reduces the influence of blade 31 and lower 32 junction of blade to air intake efficiency.The present invention is in silicone oil wind
Intake can be increased when fanning clutch low-speed running, improve radiating efficiency, it can be effective when silicon oil filled fan clutch runs at high speed
Compared with low noise.
Claims (6)
1. silicon oil filled fan clutch, including sealing bearing, the sealing bearing outer ring is provided with housing, and the inner ring is set
There is driving shaft, driving disc spacing pressing is installed on the driving shaft, be provided on housing and the corresponding driven disc of the driving disc spacing pressing, institute
The driving disc spacing pressing and the driven disc stated are engaged transmission torque by silicone oil, and fan is arranged on the housing, described
Fan on uniform circular be provided with several blades, it is characterized in that, the blade include blade and lower blade, it is described
Holding tank is provided on blade, the receiving trench bottom is provided with iron bar, and the inferior lobe on piece is provided with and the appearance
The matched inserted sheet of slot of receiving, inserted sheet top are provided with and the matched electromagnet array of the iron bar, the upper leaf
Piece and the lower blade mutually move under the action of the iron bar and the electromagnet array, and reclining on the blade has
Elastic film.
2. silicon oil filled fan clutch according to claim 1, it is characterized in that, positive stop strip, institute are provided on the inserted sheet
It is provided in the holding tank stated and the matched limiting slot of the positive stop strip.
3. silicon oil filled fan clutch according to claim 2, it is characterized in that, uniform rotation is provided on the positive stop strip
Several balls.
4. silicon oil filled fan clutch according to claim 3, it is characterized in that, it is provided in the limiting slot and the rolling
The shiny surface of pearl cooperation.
5. silicon oil filled fan clutch according to claim 4, it is characterized in that, the shiny surface is applied with polytetrafluoroethylene (PTFE)
Layer.
6. silicon oil filled fan clutch according to claim 1, it is characterized in that, conductive ring, institute are provided on the housing
The fan stated includes fan circle, and the blade is arranged on the fan circle, and the wind is contacted on the conductive ring
Fan encloses, and conducting wire is provided in the blade, several contact points, conducting wire connection institute are provided on the fan circle
The contact point stated and the electromagnet array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032003.1A CN108087095A (en) | 2018-01-12 | 2018-01-12 | Silicon oil filled fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810032003.1A CN108087095A (en) | 2018-01-12 | 2018-01-12 | Silicon oil filled fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087095A true CN108087095A (en) | 2018-05-29 |
Family
ID=62183191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810032003.1A Pending CN108087095A (en) | 2018-01-12 | 2018-01-12 | Silicon oil filled fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087095A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110826278A (en) * | 2019-11-07 | 2020-02-21 | 雪龙集团股份有限公司 | Finite element-based method for analyzing heat dissipation performance of silicone oil fan clutch |
| CN111443560A (en) * | 2020-05-06 | 2020-07-24 | 杭州可天信息科技有限公司 | Projector heat dissipation placement device based on centrifugal transmission |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2114675A (en) * | 1982-02-10 | 1983-08-24 | Do Politekh Inst | Centrifugal fan impeller |
| JPH05231668A (en) * | 1992-02-20 | 1993-09-07 | Fujitsu Ltd | Method for decreasing noise by rotation of fan |
| US20070092376A1 (en) * | 2005-10-26 | 2007-04-26 | Malone Christopher G | Electronics cooling fan with collapsible fan blade |
| CN102878101A (en) * | 2012-09-24 | 2013-01-16 | 三一重机有限公司 | Fan, engine cooling system and construction machine |
| CN103003573A (en) * | 2010-07-23 | 2013-03-27 | 斯奈克玛 | Turbine engine having two unducted propellers |
| CN104847473A (en) * | 2014-07-02 | 2015-08-19 | 北汽福田汽车股份有限公司 | Method for determining parameters of bipolar silicone oil clutch fan of vehicle |
| CN205559048U (en) * | 2016-03-07 | 2016-09-07 | 潍柴动力股份有限公司 | Energy -saving vehicle fan |
| CN208024451U (en) * | 2018-01-12 | 2018-10-30 | 浙江元盛塑业股份有限公司 | Silicon oil filled fan clutch |
-
2018
- 2018-01-12 CN CN201810032003.1A patent/CN108087095A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2114675A (en) * | 1982-02-10 | 1983-08-24 | Do Politekh Inst | Centrifugal fan impeller |
| JPH05231668A (en) * | 1992-02-20 | 1993-09-07 | Fujitsu Ltd | Method for decreasing noise by rotation of fan |
| US20070092376A1 (en) * | 2005-10-26 | 2007-04-26 | Malone Christopher G | Electronics cooling fan with collapsible fan blade |
| CN103003573A (en) * | 2010-07-23 | 2013-03-27 | 斯奈克玛 | Turbine engine having two unducted propellers |
| CN102878101A (en) * | 2012-09-24 | 2013-01-16 | 三一重机有限公司 | Fan, engine cooling system and construction machine |
| CN104847473A (en) * | 2014-07-02 | 2015-08-19 | 北汽福田汽车股份有限公司 | Method for determining parameters of bipolar silicone oil clutch fan of vehicle |
| CN205559048U (en) * | 2016-03-07 | 2016-09-07 | 潍柴动力股份有限公司 | Energy -saving vehicle fan |
| CN208024451U (en) * | 2018-01-12 | 2018-10-30 | 浙江元盛塑业股份有限公司 | Silicon oil filled fan clutch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110826278A (en) * | 2019-11-07 | 2020-02-21 | 雪龙集团股份有限公司 | Finite element-based method for analyzing heat dissipation performance of silicone oil fan clutch |
| CN110826278B (en) * | 2019-11-07 | 2022-04-22 | 华南理工大学 | Finite element-based method for analyzing heat dissipation performance of silicone oil fan clutch |
| CN111443560A (en) * | 2020-05-06 | 2020-07-24 | 杭州可天信息科技有限公司 | Projector heat dissipation placement device based on centrifugal transmission |
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