CN206801678U - A kind of magnetorheological fan clutch of temperature control - Google Patents
A kind of magnetorheological fan clutch of temperature control Download PDFInfo
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- CN206801678U CN206801678U CN201720661555.XU CN201720661555U CN206801678U CN 206801678 U CN206801678 U CN 206801678U CN 201720661555 U CN201720661555 U CN 201720661555U CN 206801678 U CN206801678 U CN 206801678U
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- shell body
- left shell
- liquid storage
- end cap
- temperature control
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Abstract
The utility model discloses a kind of magnetorheological fan clutch of temperature control, including driving part and slave unit；The driving part includes driving shaft and driving disc spacing pressing；The slave unit includes left end cap, left shell, right shell body and right end cap, is provided with several blade connecting holes around it on right end cap；The driving disc spacing pressing is connected by key with driving shaft；Magnet exciting coil is provided between left shell and right shell body, magnetic flow liquid is filled with magnetic flow liquid working chamber；A Shape memory alloy switches are provided with left shell or right shell body, the Shape memory alloy switches are connected with magnet exciting coil；Several liquid storage pipes are provided with around it in the outside of left shell, each liquid storage pipe is corresponded on left shell and is equipped with a flow-guiding channel, a push pedal is provided with liquid storage pipe, and shape memory alloy spring II is provided between push pedal and lid；Through hole is provided with lid.The utility model is simple in construction, can automatically adjust rotation speed of the fan with the change of environment temperature, and stability is more preferable.
Description
Technical field
It the utility model is related to Clutch Technology field, more particularly to a kind of magnetorheological fan clutch of temperature control.
Background technology
The heat condition of automobile engine always changes in real time, and this just needs to radiate to engine in time,
Traditional fan can not only be radiated according to the real-time change of temperature, and easily cause the meaningless loss of engine power
And sub-cooled.Magnetic flow liquid and marmem are all the new materials developed in modern age, can be by changing outside it
In physical field（Such as magnetic field and temperature field）And then change their property and state.
Such as：Disclosed in CN105351074A " a kind of magnetorheological fan clutch of variable volume percentage ", it utilizes shape
The change of memorial alloy sense temperature, can further platen be promoted to move, in its moving process, magnetic flow liquid can be compressed,
Its base fluid can be extruded in the accumulator in platen, and so as to improve the percentage by volume of magnetic flow liquid, further increase passes
The torque passed；It is poor with the automatic adjusument effect of temperature but its structure is complex." a kind of vapour disclosed in CN2334947
Car fan clutch ", it promotes clutch by the use of shape memory alloy spring as temperature-sensitive element, at an established temperature deformation
Platen assembly is engaged or separated with clutch cover assembly, reaches the effect that fan could start in defined temperature；Its
It can only at an established temperature work, and rotation speed of the fan can not be automatically adjusted." the magnetorheological fan disclosed in CN204532515U
Clutch ", it is by the use of magnetic flow liquid as the medium for connecting driving torque, according to the different work water temperature of engine, temperature controller
Different size of operating current is provided, magnetic field of different sizes is formed by electromagnetic core coil, between driving and driven side surface
Sealing inner chamber in magnetic flow liquid produce varying strength magnetic induction, the cutting torsion of different sizes formed pass through actively
Disk drives the variable speed of clutch plate progress different rotating speeds；But magnetic flow liquid is after temperature reaches certain limit, its magnetorheological effect
It is able to should weaken, so as to cause the less stable of clutch.
To sum up, a kind of device of magnetic flow liquid and marmem how is designed, is entered with the heat condition to engine
Row regulation in real time, it has also become the direction mainly studied.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is solve existing fan clutch structure
Complexity, variation with temperature adaptive adjustment capability is poor, and the problem of stability difference, there is provided a kind of magnetorheological fan of temperature control from
Clutch, it is simple in construction, rotation speed of the fan can be automatically adjusted with the change of environment temperature, and stability is more preferable.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such：A kind of temperature control is magnetorheological
Fan clutch, including driving part and slave unit；The driving part includes driving shaft and driving disc spacing pressing；The slave unit
Including left end cap, left shell, right shell body and right end cap, several blade connecting holes are provided with around it on right end cap；Wherein, institute
State left shell and right shell body is fixed together, left end cap and right end cap are connected with left shell and right shell body respectively；The master
One end of moving axis is connected after passing through right end cap, right shell body and left shell by bearing with left shell and right shell body, the other end and one
Connecting seat is connected；The driving disc spacing pressing is sheathed on driving shaft between left shell and right shell body, and passes through key and driving shaft
It is connected；Be provided with magnet exciting coil between left shell and right shell body, and the magnet exciting coil and left shell, right shell body and driving shaft and
Magnetic flow liquid working chamber is formed between driving disc spacing pressing, magnetic flow liquid is filled with the magnetic flow liquid working chamber；It is characterized in that：
Left shell or right shell body are provided with a Shape memory alloy switches, and the Shape memory alloy switches are connected with magnet exciting coil；
It is provided with several liquid storage pipes around it in the outside of left shell, one end of the liquid storage pipe is fixed with left shell to be connected
Connect, the other end is connected with a lid；Each liquid storage pipe is corresponded on left shell and is equipped with a flow-guiding channel, the flow-guiding channel will store up
Liquid pipe is connected with magnetic flow liquid working chamber；A push pedal is provided with liquid storage pipe, shape memory is provided between push pedal and lid
Alloy spring II；Through hole is provided with lid.
Further, the Shape memory alloy switches include left socle, right support, guide rod, shape memory alloy spring
Ith, conductive slide plate, guide cylinder and conductive coil；The guide rod is fixedly connected with the top of left socle and right support, the guiding
Cylinder is connected with the bottom of left socle and right support；The shape memory alloy spring I is sheathed on guide rod, its one end and right support
It is fixedly connected, the other end is fixedly connected with conductive slide plate, and the conductive slide plate is vertically arranged, and its lower end is close to guide cylinder；Institute
Conductive coil to be stated to be set on guide cylinder, its length is less than the length of guide cylinder, and one end of the conductive coil is close to left socle,
And under normal temperature, conductive slide plate is in released state with conductive coil.
Further, a positioning sleeve is respectively equipped between driving disc spacing pressing and left shell and between driving disc spacing pressing and right shell body
Cylinder.
Further, a sealing ring I is respectively equipped between driving disc spacing pressing and left shell and between driving disc spacing pressing and right shell body,
And the sealing ring I is by bearing outer side seal.
Further, with being connected in the middle part of liquid storage pipe, the other end inclines to magnet exciting coil direction for one end of the flow-guiding channel
Tiltedly.
Further, sealing ring II is provided between push pedal and liquid storage pipe, the sealing ring II is fixedly connected with push pedal.
Further, the liquid injection hole being connected with magnetic flow liquid working chamber is provided with left shell or right shell body, in the note
Coordinate in fluid apertures and be provided with fluid injection plug screw.
Further, felt circle is provided between right end cap and driving shaft.
Compared with prior art, the utility model has the following advantages that：It is simple in construction, it is easy to assembly；Environment temperature compared with
When low, it is not necessary to radiate, fan blade does not work；Temperature raises, and the contact of Shape memory alloy switches contacts with conductive coil,
Magnetic field is produced in magnet exciting coil so as to produce the function of current, and as temperature continues to raise, Shape memory alloy switches touch
Sector-meeting is moved on conductive coil, so that the resistance of Shape memory alloy switches reduces, produces bigger electric current, and then produce
Bigger magnetic field；At the same time, the magnetic flow liquid in liquid storage pipe is pressed into magnetic flow liquid by shape memory alloy spring II and push pedal
Working chamber, magnetic flow liquid produce magnetic rheology effect and start to transmit torque, and fan blade starts to rotate, and temperature is higher, fan
Turning must be faster；After radiating, Shape memory alloy switches disconnect, and shape memory alloy spring is returned to original position, in working chamber
Magnetic flow liquid is pressed into liquid storage pipe by flow-guiding channel under the influence of centrifugal force；Pass through Shape memory alloy switches and liquid storage pipe
Cooperation so that whole clutch can automatically adjust rotation speed of the fan with the change of environment temperature, and stability is more preferable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the enlarged drawing of local A in Fig. 1.
In figure：1-driving shaft, 2-driving disc spacing pressing, 3-left end cap, 4-left shell, 5-right shell body, 6-right end cap, 7-
Connecting hole, 8-key, 9-magnet exciting coil, 10-magnetic flow liquid working chamber, 11-Shape memory alloy switches, 111-left socle,
112-right support, 113-guide rod, 114-shape memory alloy spring I, 115-conductive slide plate, 116-guide cylinder, 117-
Conductive coil, 12-liquid storage pipe, 13-lid, 14-flow-guiding channel, 15-push pedal, 16-shape memory alloy spring II,
17-abutment sleeve, 18-sealing ring I, 19-felt circle.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment：Referring to Fig. 1, a kind of magnetorheological fan clutch of temperature control, including driving part and slave unit；The master
Dynamic component includes driving shaft 1 and driving disc spacing pressing 2.The slave unit includes left end cap 3, left shell 4, right shell body 5 and right end cap 6,
It is provided with several blade connecting holes 7 around it on right end cap 6.Wherein, the left shell 4 and right shell body 5 are fixedly connected on one
Rise, left end cap 3 and right end cap 6 are connected with left shell 4 and right shell body 5 respectively；When it is implemented, the left shell 4 and right shell body 5
Adjacent side has outwardly convex edge, and left shell 4 and right shell body 5 are fastenedly connected by the connecting bolt through convex edge
Together.One end of the driving shaft 1 passes through bearing and left shell 4 and right shell body after passing through right end cap 6, right shell body 5 and left shell 4
5 are connected, and the other end is connected with a connecting seat；Felt circle 19 is provided between right end cap 6 and driving shaft 1, it is whole to improve clutch
The seal of body.
The driving disc spacing pressing 2 is sheathed on driving shaft 1 between left shell 4 and right shell body 5, and passes through key 8 and active
Axle 1 is connected；The synchronous axial system of driving disc spacing pressing 2 can be driven by driving shaft 1.During actual processing, in driving disc spacing pressing 2 and left shell 4
Between and driving disc spacing pressing 2 and right shell body 5 between be respectively equipped with an abutment sleeve 17, so as to prevent driving disc spacing pressing 2 in the course of the work
Move left and right, to improve the stability of whole clutch.Magnet exciting coil 9 is provided between left shell 4 and right shell body 5, in left housing
Body 4 and the inner side of right shell body 5, are respectively equipped with a groove, two grooves combine to form a coil groove, the magnet exciting coil at convex edge
9 in the coil groove.Magnetic current is formed between the magnet exciting coil 9 and left shell 4, right shell body 5 and driving shaft 1 and driving disc spacing pressing 2
Become liquid working chamber 10, magnetic flow liquid is filled with the magnetic flow liquid working chamber 10；To avoid magnetic flow liquid from leaking, in driving disc spacing pressing
It is respectively equipped with a sealing ring I 18 between 2 and left shell 4 and between driving disc spacing pressing 2 and right shell body 5, and the sealing ring I 18 is by axle
Hold outer side seal；So as to be further ensured that the stability of whole clutch work.It is provided with left shell 4 or right shell body 5 and magnetic
The liquid injection hole that rheology liquid working chamber 10 is connected, coordinate on the liquid injection hole and be provided with fluid injection plug screw, in order to the note of magnetic flow liquid
Enter and change, make operation more convenient, fast.
Referring to Fig. 2, a Shape memory alloy switches 11, the marmem are provided with left shell 4 or right shell body 5
Switch 11 is connected with magnet exciting coil 9.Wherein, the Shape memory alloy switches 11 include left socle 111, right support 112, guide rod
113rd, shape memory alloy spring I 114, conductive slide plate 115, guide cylinder 116 and conductive coil 117.The two of the guide rod 113
Hold top respectively with left socle 111 and right support 112 to be fixedly connected, the both ends of the guide cylinder 116 respectively with left socle 111
It is connected with the bottom of right support 112.The shape memory alloy spring I 114 is sheathed on guide rod 113, its one end and right support
112 are fixedly connected, and the other end is fixedly connected with conductive slide plate 115；The first binding post, the shape are provided with right support 112
Memory alloy spring I 114 is connected close to one end of right support 112 with first binding post.The conductive slide plate 115 is set vertically
Put, its lower end is close to guide cylinder 116.The conductive coil 117 is set on guide cylinder 116, and its length is less than guide cylinder 116
Length, one end of the conductive coil 117 is close to left socle 111, and under normal temperature, conductive slide plate 115 with conductive coil 117
In released state；The second binding post is provided with left socle 111, to conductive coil 117 close to one end of left socle 111 with being somebody's turn to do
Second binding post is connected, and is connected by the second binding post with magnet exciting coil 9.
It is provided with several liquid storage pipes 12 around it in the outside of left shell 4, one end of the liquid storage pipe 12 and left shell 4 are solid
Fixed connection, the other end are connected with a lid 13.Each liquid storage pipe 12 is corresponded on left shell 4 and is equipped with a flow-guiding channel 14, it is described
Liquid storage pipe 12 is connected by flow-guiding channel 14 with magnetic flow liquid working chamber 10；In one end of the flow-guiding channel 14 and liquid storage pipe 12
Portion is connected, and the other end tilts to the direction of magnet exciting coil 9, and so, the flowing of magnetic flow liquid is more smooth.Set in liquid storage pipe 12
There is a push pedal 15, shape memory alloy spring II 16 is provided between push pedal 15 and lid 13；Push pedal 15 and liquid storage pipe 12 it
Between be provided with sealing ring II, the sealing ring II is fixedly connected with push pedal 15, to improve the sealing between push pedal 15 and liquid storage pipe 12
Property, avoid magnetic flow liquid from leaking.Through hole is provided with lid 13, so as to admit air into liquid storage pipe 12, remembers shape
Environment temperature can quickly be sensed by recalling alloy spring II 16.
The course of work of the present embodiment is as follows：
1）Driving shaft 1 rotates together with engine, operating temperature rise；The conductive slide plate of Shape memory alloy switches 11
115 contact with conductive coil 117, produce the function of current in magnet exciting coil 9, magnet exciting coil 9 is produced magnetic field；Meanwhile shape is remembered
Recalling alloy spring II 16 promotes the extruding magnetic flow liquid of push pedal 15 to enter magnetic flow liquid working chamber 10, and magnetic flow liquid produces magnetorheological effect
Should, start to transmit torque, fan blade is started working and radiate.
2）As temperature continues to raise, the conductive slide plate 115 of Shape memory alloy switches 11 moves, and makes marmem
The resistance electricity of switch 11 is small, produces bigger electric current, further produces bigger magnetic fields in magnetic flow liquid, it is transmitted more
Big torque, and then make fan blade rotating speed faster.
3）Temperature declines, and shape memory alloy spring II 16 is returned to original position, while Shape memory alloy switches 11 are disconnected
Open, now magnetic flow liquid will be returned in liquid storage pipe 12 by flow-guiding channel 14 under the influence of centrifugal force, ensure that magnetic flow liquid
Performance, and then ensure that the life-span of device.
It is last it should be noted that above example is only illustrating the technical solution of the utility model rather than restriction technologies
Scheme, it will be understood by those within the art that, those are modified or are equal to the technical solution of the utility model
Replace, without departing from the objective and scope of the technical program, all should cover among right of the present utility model.
Claims (8)
1. a kind of magnetorheological fan clutch of temperature control, including driving part and slave unit；The driving part includes driving shaft
And driving disc spacing pressing；The slave unit includes left end cap, left shell, right shell body and right end cap, is provided with around it on right end cap
Several blade connecting holes；Wherein, the left shell and right shell body are fixed together, left end cap and right end cap respectively with left housing
Body is connected with right shell body；One end of the driving shaft pass through after right end cap, right shell body and left shell by bearing and left shell and
Right shell body is connected, and the other end is connected with a connecting seat；The driving disc spacing pressing is sheathed on actively between left shell and right shell body
On axle, and it is connected by key with driving shaft；Magnet exciting coil, and the magnet exciting coil and left housing are provided between left shell and right shell body
Magnetic flow liquid working chamber is formed between body, right shell body and driving shaft and driving disc spacing pressing, is filled with the magnetic flow liquid working chamber
Magnetic flow liquid；It is characterized in that：A Shape memory alloy switches, the marmem are provided with left shell or right shell body
Switch is connected with magnet exciting coil；
Several liquid storage pipes are provided with around it in the outside of left shell, and one end of the liquid storage pipe is fixedly connected with left shell, separately
One end is connected with a lid；Each liquid storage pipe is corresponded on left shell and is equipped with a flow-guiding channel, the flow-guiding channel is by liquid storage pipe
It is connected with magnetic flow liquid working chamber；A push pedal is provided with liquid storage pipe, marmem is provided between push pedal and lid
Spring II；Through hole is provided with lid.
A kind of 2. magnetorheological fan clutch of temperature control according to claim 1, it is characterised in that：The marmem
Switch includes left socle, right support, guide rod, shape memory alloy spring I, conductive slide plate, guide cylinder and conductive coil；It is described
Guide rod is fixedly connected with the top of left socle and right support, and the guide cylinder is connected with the bottom of left socle and right support；It is described
Shape memory alloy spring I is sheathed on guide rod, and its one end is fixedly connected with right support, and the other end is fixed with conductive slide plate to be connected
Connect, the conductive slide plate is vertically arranged, and its lower end is close to guide cylinder；The conductive coil is set on guide cylinder, its length
Less than the length of guide cylinder, one end of the conductive coil is close to left socle, and under normal temperature, conductive slide plate is in conductive coil
Released state.
A kind of 3. magnetorheological fan clutch of temperature control according to claim 1, it is characterised in that：In driving disc spacing pressing and left shell
Between and driving disc spacing pressing and right shell body between be respectively equipped with an abutment sleeve.
A kind of 4. magnetorheological fan clutch of temperature control according to claim 1, it is characterised in that：In driving disc spacing pressing and left shell
Between and driving disc spacing pressing and right shell body between be respectively equipped with a sealing ring I, and the sealing ring I is by bearing outer side seal.
A kind of 5. magnetorheological fan clutch of temperature control according to claim 1, it is characterised in that：The one of the flow-guiding channel
With being connected in the middle part of liquid storage pipe, the other end tilts to magnet exciting coil direction at end.
A kind of 6. magnetorheological fan clutch of temperature control according to claim 1, it is characterised in that：Push pedal and liquid storage pipe it
Between be provided with sealing ring II, the sealing ring II is fixedly connected with push pedal.
A kind of 7. magnetorheological fan clutch of temperature control according to claim 1, it is characterised in that：In left shell or right shell body
The liquid injection hole being connected with magnetic flow liquid working chamber is provided with, coordinates on the liquid injection hole and is provided with fluid injection plug screw.
A kind of 8. magnetorheological fan clutch of temperature control according to claim 1, it is characterised in that：In right end cap and driving shaft
Between be provided with felt circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720661555.XU CN206801678U (en) | 2017-06-08 | 2017-06-08 | A kind of magnetorheological fan clutch of temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720661555.XU CN206801678U (en) | 2017-06-08 | 2017-06-08 | A kind of magnetorheological fan clutch of temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801678U true CN206801678U (en) | 2017-12-26 |
Family
ID=60745595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720661555.XU Expired - Fee Related CN206801678U (en) | 2017-06-08 | 2017-06-08 | A kind of magnetorheological fan clutch of temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664595A (en) * | 2020-12-14 | 2021-04-16 | 深圳先进技术研究院 | Magnetorheological brake and vehicle |
-
2017
- 2017-06-08 CN CN201720661555.XU patent/CN206801678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664595A (en) * | 2020-12-14 | 2021-04-16 | 深圳先进技术研究院 | Magnetorheological brake and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |