CN107975495A - A kind of silicon-oil fan blade - Google Patents
A kind of silicon-oil fan blade Download PDFInfo
- Publication number
- CN107975495A CN107975495A CN201810031410.0A CN201810031410A CN107975495A CN 107975495 A CN107975495 A CN 107975495A CN 201810031410 A CN201810031410 A CN 201810031410A CN 107975495 A CN107975495 A CN 107975495A
- Authority
- CN
- China
- Prior art keywords
- blade
- silicon
- fan
- oil fan
- holding tank
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
- F04D29/362—Blade mountings adjustable during rotation
-
- 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
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
-
- 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
Abstract
A kind of silicon-oil fan blade, it is related to a kind of engine cooling apparatus, the blade includes blade and lower blade, the inferior lobe on piece is provided with holding tank, the receiving trench bottom is provided with electromagnet array, be provided with the blade with the matched inserted sheet of the holding tank, the inserted sheet bottom is provided with mutually moves with the matched iron bar of electromagnet array, the blade and the lower blade under the action of the electromagnet array and the iron bar.Compared with prior art, the beneficial effects of the invention are as follows：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, the problem of to reduce noise, it is few to solve intake during conventional silicon-oil fan low-power, and noise is big during 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
In the process of moving, due to the change of environmental condition and operating condition, the hot situation of engine is also changing automobile.
Therefore, it is necessary to the intensity of cooling of engine is adjusted at any time.For example, during the broiling summer, engine work under low speed, big load
Make, when the temperature of coolant is very high, fan should rotate the heat-sinking capability for increase cooling air quantity, strengthening radiator at a high speed；And
In cold winter, when coolant temperature is relatively low, or when galloping has powerful heading on to blow air over radiator, fan
Working on just becomes meaningless.Not only consumption of engine power, but also produce very big noise in vain.According to starting
The hot situation of machine, which is at any time adjusted its intensity of cooling, just seems particularly significant.Filled between blower pulley and cooling fan
Silicon oil filled fan clutch is put, both silicon-oil fan was one of method for realizing this adjusting.
Silicon oil filled fan clutch, by the use of silicone oil as medium, moment of torsion is transmitted using silicone oil shearing viscous force.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, its rotating speed is controlled usually using fan clutch.Envelope toughness fluid inside clutch（Silicone oil）, by its shearing
Viscous force transmits torque.Bimetal leaf is housed before fan, with its sensing by the air themperature of radiator, thus controls fan
Silicone oil amount in working chamber, only when necessary, could transmit 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 is directed to deficiency of the prior art, there is provided a kind of silicon-oil fan blade, can be in silicon oil filled fan clutch
Flabellum is unfolded during low-speed running under the influence of centrifugal force, to increase intake, strengthens radiating efficiency, in silicon oil filled fan clutch
Flabellum is shunk when running at high speed, to reduce noise, it is few to solve intake during conventional silicon-oil fan low-power, and noise is big during high power
The problem of.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：A kind of silicon-oil fan blade,
The blade includes blade and lower blade, and the inferior lobe on piece is provided with holding tank, and the receiving trench bottom is set
There is electromagnet array, be provided with the blade and set with the matched inserted sheet of the holding tank, the inserted sheet bottom
Have with the matched iron bar of electromagnet array, the blade and the lower blade are in the electromagnet array and institute
State and mutually move under the action of iron bar.
In above-mentioned technical proposal, it is preferred that positive stop strip is provided with the inserted sheet, be provided with 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 with 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 further include fan circle, the blade is arranged on the fan circle, institute
Conducting wire is provided with the blade stated, several contact points are provided with the fan circle, conducting wire connection is described to be connect
Contact and the electromagnet array.
In above-mentioned technical proposal, it is preferred that rounding off between the blade and the inserted sheet.
In above-mentioned technical proposal, it is preferred that rounding off at the top of the holding tank both ends.
The present invention is a kind of silicon-oil fan blade, and blade is divided into blade and lower blade, and blade and lower blade can phases
To sliding, both blade area and length of blade, which can become larger, diminishes.It is known under equal rates, the length of blade is longer, face
Product is bigger, then ventilation quantity is more, but blade is more long more big noise operationally is louder.Therefore the present invention is then in silicone oil
The operation of fan clutch low speed increases the size of each blade and area also to obtain during silicon oil filled fan clutch low speed compared with
Big intake, ensures that engine is cooled down, and the carry out low speed operation that silicon oil filled fan clutch can be allowed to stablize, reduces silicone oil wind
Fan the time of clutch high-speed cruising.If silicon oil filled fan clutch needs high-speed cruising, by being arranged on blade with
Electromagnet array and iron bar in blade can allow blade and lower blade to bounce back, and reduce the size and area of blade so that noise
Amount is reduced.Because the change of the part of leaf blade size and area will not allow intake to produce in silicon oil filled fan clutch high-speed cruising
The change of matter, on the contrary and then noise level can be raised drastically.The present apparatus can be in silicon oil filled fan clutch for a long time in heat dissipation
Run under low power state, also can significantly reduce fan noise even if running at high power, the present apparatus is particularly suitable for having
There are the large-scale loading lorry and large-scale engineering machinery equipment of big-block engine.
Compared with prior art, the beneficial effects of the invention are as follows：It can centrifuged in silicon oil filled fan clutch low-speed running
Flabellum is unfolded under the action of power, to increase intake, strengthens radiating efficiency, fan is shunk when silicon oil filled fan clutch runs at high speed
The problem of leaf, to reduce noise, it is few to solve intake during conventional silicon-oil fan low-power, and noise is big during high power.
Brief 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.
Fig. 5 is silicon oil filled fan clutch front of the present invention use state diagram.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1, as shown in Figures 1 to 5, a kind of silicon-oil fan, including bearing 1 is sealed, outside the sealing bearing 1
Circle is provided with housing 2, and 1 inner ring of sealing bearing is provided with driving shaft 11, driving disc spacing pressing is provided with the driving shaft 11
12, it is provided with and the corresponding clutch plate 21 of the driving disc spacing pressing 12, the driving disc spacing pressing 13 and the clutch plate 21 on housing 2
Transmission torque is engaged by silicone oil.Conductive ring 33 is provided with 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 34 is contacted on the conductive ring 33,
In general conductive ring 33 is fixedly connected with fan circle 34, and conductive ring 33 is made of conductive material, and is powered.The blade
3 include blade 31 and lower blade 32, are provided with holding tank 5 on the lower blade 32,5 bottom of holding tank is provided with
Electromagnet array 51, is provided with and the matched inserted sheet 4 of the holding tank 5,4 bottom of inserted sheet on the blade 31
It is provided with and the matched iron bar 41 of the electromagnet array 51.Positive stop strip 42, the receiving are provided with the inserted sheet 4
It is provided with groove 5 and the matched limiting slot 54 of the positive stop strip 42.Uniform rotation is provided with some on the positive stop strip 42
A ball 43.The limiting slot 54 has polytetrafluorethylecoatings coatings and 54 surface shiny surface of limiting slot, and ball 43 contacts spacing
54 surface of groove.Conducting wire 53 is provided with the blade 3, several contact points 52 are provided with the fan circle 34, it is described
Conducting wire 53 connect the contact point 52 and the electromagnet array 51.The blade 31 and the inserted sheet 4 it
Between rounding off.Rounding off at the top of 4 both ends of holding tank.
In use, silicone oil can enter the space between driving disc spacing pressing 12 and clutch plate 21, Ran Hou after engine temperature rise
Driving disc spacing pressing 12 drives clutch plate 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, size and the area increase of whole blade 3 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 clutch plate 21
The rotating speed of space then fan can be increasingly stronger, air intake efficiency and noise can also strengthen with the increase of rotation speed of the fan.At this time
Allow conductive ring 33 to be powered, allow electromagnet array 51 to produce magnetism, 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.The present invention can increase in silicon oil filled fan clutch low-speed running
Intake, improves radiating efficiency, can be effectively compared with low noise when silicon oil filled fan clutch runs at high speed.
Claims (8)
1. a kind of silicon-oil fan blade, it is characterized in that, the blade includes blade and lower blade, and the inferior lobe on piece is set
Holding tank is equipped with, the receiving trench bottom is provided with electromagnet array, is provided with the blade and the holding tank
Matched inserted sheet, the inserted sheet bottom be provided with the matched iron bar of electromagnet array, the blade and
The lower blade mutually moves under the action of the electromagnet array and the iron bar.
2. a kind of silicon-oil fan blade according to claim 1, it is characterized in that, positive stop strip is provided with the inserted sheet,
It is provided with the holding tank and the matched limiting slot of the positive stop strip.
3. a kind of silicon-oil fan blade according to claim 2, it is characterized in that, uniform rotation is set on the positive stop strip
There are several balls.
4. a kind of silicon-oil fan blade according to claim 3, it is characterized in that, be provided with the limiting slot with it is described
The shiny surface of ball engagement.
5. a kind of silicon-oil fan blade according to claim 4, it is characterized in that, the shiny surface has polytetrafluoroethylene (PTFE)
Coating.
6. a kind of silicon-oil fan blade according to claim 1, it is characterized in that, fan circle is further included, the blade is set
Put on the fan circle, conducting wire is provided with the blade, several contact points, institute are provided with the fan circle
The conducting wire connection contact point stated and the electromagnet array.
7. a kind of silicon-oil fan blade according to claim 1, it is characterized in that, the blade and the inserted sheet it
Between rounding off.
8. a kind of silicon-oil fan blade according to claim 1, it is characterized in that, round and smooth mistake at the top of the holding tank both ends
Cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031410.0A CN107975495A (en) | 2018-01-12 | 2018-01-12 | A kind of silicon-oil fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810031410.0A CN107975495A (en) | 2018-01-12 | 2018-01-12 | A kind of silicon-oil fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107975495A true CN107975495A (en) | 2018-05-01 |
Family
ID=62005956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810031410.0A Pending CN107975495A (en) | 2018-01-12 | 2018-01-12 | A kind of silicon-oil fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975495A (en) |
Citations (7)
| 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 |
| CN208024628U (en) * | 2018-01-12 | 2018-10-30 | 浙江元盛塑业股份有限公司 | A kind of silicon-oil fan blade |
-
2018
- 2018-01-12 CN CN201810031410.0A patent/CN107975495A/en active Pending
Patent Citations (7)
| 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 |
| CN208024628U (en) * | 2018-01-12 | 2018-10-30 | 浙江元盛塑业股份有限公司 | A kind of silicon-oil fan blade |
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