CN108630480A - A kind of rotary self energizing wireless switching - Google Patents

A kind of rotary self energizing wireless switching Download PDF

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Publication number
CN108630480A
CN108630480A CN201810475504.7A CN201810475504A CN108630480A CN 108630480 A CN108630480 A CN 108630480A CN 201810475504 A CN201810475504 A CN 201810475504A CN 108630480 A CN108630480 A CN 108630480A
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CN
China
Prior art keywords
permanent magnet
wireless switching
positioning
cantilever
permanent
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Granted
Application number
CN201810475504.7A
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Chinese (zh)
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CN108630480B (en
Inventor
姚明辉
彭乐伦
宋海云
焦剑宇
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Beijing University of Technology
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Beijing University of Technology
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Priority to CN201810475504.7A priority Critical patent/CN108630480B/en
Publication of CN108630480A publication Critical patent/CN108630480A/en
Application granted granted Critical
Publication of CN108630480B publication Critical patent/CN108630480B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02Details
    • H01H19/10Movable parts; Contacts mounted thereon
    • H01H19/14Operating parts, e.g. turn knob
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186Vibration harvesters

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

A kind of rotary self energizing wireless switchgear using piezoelectric energy acquisition principle is related to wireless switching technology field, solves the energy acquisition and break-make Structure Designing Problem of wireless switching.The device includes rotating housing sections, inner shaft body portion and make break contact part.Rotational shell body inner surface has the first permanent magnet of symmetrical circumference array installation, inner shaft body portion includes rotary shaft, power generator and positioning device, power generator is mainly piezoelectric cantilever, positioning device includes spring, spring pushes away and positioning ball, make break contact part is mainly buckled beam and contact, the middle part of buckled beam is installed by the second permanent magnet, second permanent magnet by the first permanent magnet and third permanent magnet collective effect, the break-make pattern of attraction and repulsive force that rotating housing sections achieve that between the first permanent magnet and the second permanent magnet switched and change structure is dialled in rotation.The present invention can be used for the energy supply structure and circuit on-off structure of wireless switching.

Description

A kind of rotary self energizing wireless switching
Technical field
The present invention relates to a kind of using piezoelectric energy acquisition electric energy and realizes the method and device of remote control circuit on-off, The mechanical energy that pass is pushed in manual rotation aside can effectively be collected to generate electricity, belong to piezoelectric energy acquisition and self energizing wireless switching Field.
Background technology
In recent years as the universal and wireless sensor network of portable electronic device is flourished, wirelessly to set The problem of available energy, gets more and more people's extensive concerning.Vibrational energy belongs to reproducible clean energy resource, has cheap excellent of environmental protection Vibrational energy in rotary motion can be converted to electric energy by the direct piezoelectric effect of point, piezoelectric material, with realize wireless switching from Energy supply, is a kind of energy supply method with feasibility.
Piezoelectric energy collecting device have it is simple in structure, calorific value is few, it is anti-interference strong the advantages that, to mechanical vibrational energy Using with preferable effect, especially in the acquisition of micro-energy and utilization.
The relevant technology of already present wireless switching in the market, but universal is all push switch, rotary structure energy The space of structure is efficiently used, reasonable and compact miniaturization structure has greater advantage for the application of wireless switching.
Invention content
The present invention will collect the mechanical vibrational energy of rotary switch and be generated electricity using piezoelectric effect, and power storage is arrived It is easy to operate using micro- controlling electric energy signal transmission component to control the break-make of main circuit in energy storing structure, simple in structure, tool There is ideal generating effect and controls the effect of distal line break-make.
In order to solve the above technical problems, technical scheme is as follows:A kind of rotation using piezoelectric energy acquisition principle Housing main body 10 is dialled in rotatable self energizing wireless switching, rotation, and housing main body 10 drives the rotation of the first permanent magnet 61, axis body 6 to pass through Upper bearing (metal) 3 and lower bearing 9 and the centre bore of housing main body 10 are co-axially mounted, and are sequentially installed on axis body 6 and are adopted energy part 4 and slip ring 5, it includes cantilever beam fixture 21, piezoelectric cantilever 22 and third permanent magnet 23 to adopt energy part 4, and piezoelectric cantilever 22 fixes peace On cantilever beam fixture 21, third permanent magnet 23 is pasted onto the free end of piezoelectric cantilever 22,22 end of piezoelectric cantilever Third permanent magnet 23 magnetic pole put it is identical, slip ring 5 be mounted on adopt can part lower end, will adopt can part 4 it is collected Electric energy is transferred on slip ring 5, and positioning device 8 pushes away 42 and spring 43 including positioning ball 41, spring, and positioning ball 42 can be in axis Rotation in the shallow grooves of head, shallow groove depths are the half of the radius of positioning ball 42, and can be positioned in four deep pits, deep The depth of pit is identical with the radius of positioning ball 42, and spring 43 pushes away 42 application elastic force to spring, and spring pushes away 42 to positioning ball 41 application elastic force include contact 62, buckled beam 63 and buckled beam fixture 64 to ensure accurate positioning, make break contact part 7, are touched Point 62 is pasted onto on the inner surface of the first permanent magnet 61, and buckled beam 63 is mounted on buckled beam fixture 64, buckled beam 63 The second permanent magnet 65 is pasted at middle part, and the second permanent magnet 65 is right against contact 62, and the N of first permanent magnet 61 is extremely just When to the second permanent magnet 65, the first permanent magnet 61 is more than 65 attraction of the second permanent magnet the suction of third permanent magnet 23 Gravitation, for buckled beam 63 to the direction buckling of the first permanent magnet 61, then the second permanent magnet 65 is contacted with contact 62 makes circuit believe Number connect, when rotational shell main body 10 makes the poles S the second permanent magnet 65 of face of adjacent first permanent magnet 61, the first permanent magnetic Body 61 applies repulsive force to the second permanent magnet 65, and buckled beam 63 is to the direction buckling of third permanent magnet 23, then second is permanent For magnet 65 with contact 62 far from making line signal disconnect, upper end cover 2 is mounted on the upper end of housing main body 10, upper bearing (metal) gland 1 It is separately mounted to the surface of upper end cover 2 and housing main body 10 with lower axle pressure cap 11, and coordinates respectively with 3 lower bearing 9 of upper bearing (metal) Installation.
Compared with prior art, the beneficial effects of the invention are as follows:
(1) piezoelectric cantilever is combined with buckled beam so that the electric flux of acquisition is more sufficient, is provided for the transmission of signal Ensure.
(2) positioning device of spring and steel ball composition is applied in the positioning of switch so that the standard of switch on and off position It is really and reliable.
(3) mode conversion and autonomous energy supply are switched on-off using rotary structure realization so that compact overall structure Rationally.
(4) magnet structure is introduced, the energy of rotary motion is converted to by beam by attraction between magnet and repulsion force The vibrational energy of body.
(5) buckling girder construction is applied to and is switched on-off in structure, good reliability.
(6) stable structure of the invention, assembly is simple, good economy performance.
Description of the drawings
Fig. 1 is overall structure of the present invention;
Fig. 2 is energy collecting device structural schematic diagram in the present invention;
Fig. 3 is the vertical view of energy collecting device in the present invention;
Fig. 4 is positioning device structure schematic diagram in the present invention;
Fig. 5 is positioning device structure vertical view in the present invention;
Fig. 6 is piezoelectric cantilever and buckled beam cooperation schematic diagram in the present invention;
Fig. 7 is overall structure sectional view of the present invention;
Fig. 8 is the break-make ideograph of the make break contact structure of the present invention
Description of the drawings:
1- upper bearing (metal) gland 2- upper end cover 3- upper bearing (metal)s 4- is adopted can part
5- slip ring 6- axis body 7- make break contacts part 8- positioning devices
9- lower bearing 10- housing main body 11- lower axle pressure cap 21- cantilever beam fixtures
22- piezoelectric cantilever 23- third permanent magnet 41- positioning balls
42- springs push away the contacts 43- springs 61- the first permanent magnet 62- 63- buckled beam 64- buckled beam fixtures 65- Second permanent magnet
Specific implementation mode
The present invention is described in further detail with reference to specific embodiment.
As shown in Figures 1 to 8, a kind of rotary self energizing wireless switching.
Fig. 1 is whole assembling schematic diagram, and Fig. 7 is overall structure sectional view, including rotating housing sections, piezo-electric generating portion Point, spring positioning part and make break contact part.
As depicted in figs. 1 and 2, housing main body 10 is dialled in rotation, and housing main body 10 drives the rotation of the first permanent magnet 61, axis body 6 It is co-axially mounted by upper bearing (metal) 3 and lower bearing 9 and the centre bore of housing main body 10, is sequentially installed on axis body 6 and adopts 4 He of energy part Slip ring 5, upper end cover 2 are mounted on the upper end of housing main body 10, and upper bearing (metal) gland 1 and lower axle pressure cap 11 are separately mounted to upper end The surface of lid 2 and housing main body 10, and coordinate with 3 lower bearing 9 of upper bearing (metal) install respectively.
As shown in Figures 2 and 3, piezo-electric generating part i.e. adopt can part 4, including cantilever beam fixture 21, piezoelectric cantilever 22, Third permanent magnet 23 and slip ring 5, piezoelectric cantilever 22 are fixedly mounted on cantilever beam fixture 21, and third permanent magnet 23 is viscous It is attached to the free end of piezoelectric cantilever 22, the magnetic pole of the third permanent magnet 23 of four cantilever beam ends puts all same, the i.e. poles N Inside S is extremely outside, and slip ring 5 is mounted on the lower end for adopting energy part, will adopt 4 collected electric energy of energy part and is transferred on slip ring 5, prevents Only circuit tangles.
As shown in Figure 4 and Figure 5, spring positioning part is exactly that the spindle nose of axis body 6 is determined with the cooperation of positioning device 8 with realizing Position, positioning device 8 push away 42 and spring 43 including positioning ball 41, spring, and positioning ball 42 can be in the shallow grooves inward turning of spindle nose Turn, and can be positioned in four deep pits, 43 push the spring of spring pushes away 42 and applies elastic force to positioning ball 41 to ensure that positioning is accurate Really, and four positioning devices are assembled into four uniformly distributed circular through holes of housing main body 10, are located at the first permanent magnet 61 underface.
As shown in Figure 6 and Figure 8, make break contact part 7 includes contact 62, buckled beam 63 and buckled beam fixture 64, contact 62 are pasted onto the inner surface of the first permanent magnet 61 and are right against the second permanent magnet 65, and buckled beam 63 is mounted on buckled beam On fixture 64, the second permanent magnet 65 is installed at the middle part of buckled beam 63, and the second permanent magnet 65 is right against contact 62, and four are bent It is all the extremely inside S of N extremely outside that the magnetic pole of second permanent magnet 23 at 63 middle part of curved beam, which is put homogeneous, when the first permanent magnet 61 When the second permanent magnet 65 of face of the poles N, the first permanent magnet 61 is more than third permanent magnet to 65 attraction of the second permanent magnet The attraction of 23 pair of second permanent magnet 65, buckled beam 63 is to the direction buckling of the first permanent magnet 61, then the second permanent magnet 65 contact with contact 62 line signal are made to connect, and rotational shell main body 10 makes the poles the S face of the first permanent magnet of adjacent volume 61 When two permanent magnets 65, the first permanent magnet 61 applies repulsive force to the second permanent magnet 65, and third permanent magnet 23 is to second Permanent magnet 65 applies attraction, buckled beam 63 to the direction buckling of third permanent magnet 23, then the second permanent magnet 65 with touch Point 62 is separate to make line signal disconnect.
Although above in conjunction with figure, invention has been described, and the invention is not limited in above-mentioned specific embodiment parties Formula, the above mentioned embodiment is only schematical, rather than restrictive, the case where not departing from present inventive concept Under, many variations can also be made, these belong to the protection category of the present invention.

Claims (10)

1. a kind of rotary self energizing wireless switching, it is characterized in that:The device include rotating housing sections, inner shaft body portion and Make break contact part;Rotation dial the rotating housing sections, the rotating housing sections include housing main body (10), upper end cover (2), Upper bearing (metal) gland (1), lower axle pressure cap (11) and the first permanent magnet (61), housing main body (10) inner surface have symmetrically The first permanent magnet (61) of circumference array installation amounts to four, and the upper end cover (2) is mounted on the upper table of housing main body (10) Face, the upper bearing (metal) gland (1) and lower axle pressure cap (11) are separately mounted to the upper and lower surface of shell, the inner shaft body portion Including rotary shaft (6), power generator (4) and positioning device (8), it is shallow that the spindle nose part of the rotary shaft (6) is milled with a circle Groove and four of the circumference uniform distribution round deep pits in groove line, power generator (4) includes piezoelectric cantilever (22), outstanding Arm beam fixture (21) and slip ring (5), the piezoelectric cantilever (22) are fixedly mounted on cantilever beam fixture (21), piezoelectric cantilever The free end installation third permanent magnet (23) of beam, third permanent magnet (23) magnetic pole side of putting of piezoelectric cantilever (22) end Formula be the poles N the inside poles S on the outside, the cantilever beam fixture (21) is sleeved in rotary shaft body (6), and the slip ring (5) is located at It cantilever beam fixture (21) lower end and is assemblied in rotary shaft body (6), the positioning device (8) includes that spring (43), spring push away (42) and positioning ball (41), the positioning ball (41) can roll rotation in the shallow grooves of rotary shaft body (6), and when rolling It moves to when deep pit and is blocked to realize that positioning, spring (43) push the spring push away (42) to positioning ball with deep pit with merging (41) apply elastic force and ensure that accurate positioning, the make break contact part include buckled beam (63), buckled beam fixture (64) and touch Point (62), the buckled beam (63) are fixedly mounted on buckled beam fixture (64), and the middle part of buckled beam (63) pastes second permanently Magnet (65), when the poles N the second permanent magnet of face (65) of first permanent magnet (61), the first permanent magnet (61) is to Two permanent magnets (65) attraction is more than the attraction of third permanent magnet (23), and buckled beam (63) is to the first permanent magnet (61) Direction buckling, then the second permanent magnet (65) is contacted with contact (62) makes line signal connect, and realizes the connection of wireless switching Pattern, when rotational shell main body (10) makes the poles S the second permanent magnet of face (65) of the first permanent magnet of adjacent volume (23), first Permanent magnet (61) applies repulsive force to the second permanent magnet (65), and buckled beam (63) is bent to the direction of third permanent magnet (23) Song, then switch-off pattern is realized in the second permanent magnet (65) and contact (62) far from making line signal disconnect.
2. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:The rotating housing sections by Rotation is dialled manually, drives the first permanent magnet (61) rotation on housing main body (10) inner surface, adjacent two the first permanent magnetics The magnetic pole disposing way of body (61) is the extremely outside or extremely inside S disposing ways of S on the contrary, when two adjacent the first permanent magnets (61) attraction and repulsive force are applied respectively to the second permanent magnet with face when a certain second permanent magnet (23) respectively.
3. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:The buckled beam (63) is selected Material is flexible material, and buckled beam (63) prebuckling is mounted on buckled beam fixture (64), and second in the middle part of buckled beam (63) is forever Collective effect of the long magnet (65) by the first permanent magnet (61) and third permanent magnet (23).
4. according to the rotary self energizing wireless switching described in claim 3, it is characterised in that:First permanent magnet (61) when the poles N the second permanent magnet of face (65), the first permanent magnet (61) is more than the second permanent magnet (65) attraction The attraction of third permanent magnet (23), buckled beam (63) is to the direction buckling of the first permanent magnet (61), then the second permanent magnetic Body (65) is contacted with contact (62) makes line signal connect, and rotational shell main body (10) makes the first permanent magnet of adjacent volume (23) When the poles S the second permanent magnet of face (65), the first permanent magnet (61) applies repulsive force, buckled beam to the second permanent magnet (65) (63) to the direction buckling of third permanent magnet (23), then the second permanent magnet (65) and contact (62) are far from keeping line signal disconnected It opens.
5. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:Positioning device (8) packet Include spring (43), spring pushes away (42) and positioning ball (41), the spring (43), spring push away (42) and positioning ball (41) It being respectively positioned in the location hole in housing main body (10), the positioning ball (41) can roll in the shallow grooves of rotary shaft body (6), And rolling at deep groove position and stable positioning is realized in deep pit cooperation, spring (43) push the spring push away (42) to Positioning ball (41) applies elastic force and ensures accurate positioning.
6. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:Power generator (4) packet Piezoelectric cantilever (22), cantilever beam fixture (21) and slip ring (5) are included, the piezoelectric cantilever (22) is fixedly mounted on cantilever beam On fixture (21), the free end installation third permanent magnet (23) of piezoelectric cantilever, the third of piezoelectric cantilever (22) end is forever Long magnet (23) magnetic pole disposing way is identical, and third permanent magnet (23) is in rotary course and the phase of the second permanent magnet (65) Interaction generates vibration, and vibrational energy is acquired using the piezoelectric effect of the piezoelectric material on piezoelectric cantilever (22).
7. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:The piezoelectric cantilever (22) On piezoelectric material be Kynoar (PVDF), amount to four.
8. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:From upper on the axis body (6) It is co-axially mounted upper bearing (metal) (3), cantilever beam fixture (21), slip ring (5) and lower bearing (9) according to this under, spindle nose is located at slip ring (5) Between lower bearing (9).
9. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:When the connection pattern, the The extremely inside S of N of one permanent magnet (61) are extremely outside, and the extremely inside S of N of the second permanent magnet (65) are extremely outside, third permanent magnet (23) the extremely inside S of N are extremely outside, and the first permanent magnet (61) is more than third forever to the attraction of the second permanent magnet (65) Long magnet (23) is to the attractions of the second permanent magnet (65), and the second permanent magnet (65) is contacted with contact (62) under this pattern; When the shutdown mode, the extremely outside S of N of the first permanent magnet (61) extremely inwardly with the pattern of connection when it is exactly the opposite, second is permanent The extremely inside S of N of magnet (65) are extremely outside, and the extremely inside S of N of third permanent magnet (23) are extremely outside, the first permanent magnetic under this pattern Body (61) applies repulsive force to the second permanent magnet (65), and third permanent magnet (23) applies the second permanent magnet (63) and attracts Power, the second permanent magnet (63) and contact (65) disconnect contactless under this pattern.
10. according to the rotary self energizing wireless switching described in claim 1, it is characterised in that:The depth of deep pit with it is fixed The radius of position steel ball (41) is identical, and shallow grooves are the half of the radius of positioning ball (41).
CN201810475504.7A 2018-05-17 2018-05-17 A kind of rotary self energizing wireless switching Expired - Fee Related CN108630480B (en)

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CN108630480B CN108630480B (en) 2019-11-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109167532A (en) * 2018-10-22 2019-01-08 西南交通大学 A kind of automobile inertial energy piezoelectric type acquisition device
CN110829791A (en) * 2019-11-05 2020-02-21 德能森智能科技(成都)有限公司 High-generating-capacity rotary wireless passive device
CN112332695A (en) * 2020-09-29 2021-02-05 长春工业大学 Rotating shaft type piezoelectric power generation device

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CN102790548A (en) * 2012-07-18 2012-11-21 天津大学 Bistable composite cantilever beam piezoelectric power generating device
CN202663322U (en) * 2012-05-28 2013-01-09 南京航空航天大学 Rotary piezoelectric power generating device
US20170085194A1 (en) * 2015-09-17 2017-03-23 Samsung Electro-Mechanics Co., Ltd. Wireless switch and method
CN106856382A (en) * 2017-01-12 2017-06-16 合肥工业大学 A kind of rotatable movement and the piezoelectric energy collecting device being axially moved
CN107994808A (en) * 2017-12-10 2018-05-04 北京工业大学 Alternation flexion type wind-force piezoelectric energy collector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202663322U (en) * 2012-05-28 2013-01-09 南京航空航天大学 Rotary piezoelectric power generating device
CN102790548A (en) * 2012-07-18 2012-11-21 天津大学 Bistable composite cantilever beam piezoelectric power generating device
US20170085194A1 (en) * 2015-09-17 2017-03-23 Samsung Electro-Mechanics Co., Ltd. Wireless switch and method
CN106856382A (en) * 2017-01-12 2017-06-16 合肥工业大学 A kind of rotatable movement and the piezoelectric energy collecting device being axially moved
CN107994808A (en) * 2017-12-10 2018-05-04 北京工业大学 Alternation flexion type wind-force piezoelectric energy collector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109167532A (en) * 2018-10-22 2019-01-08 西南交通大学 A kind of automobile inertial energy piezoelectric type acquisition device
CN110829791A (en) * 2019-11-05 2020-02-21 德能森智能科技(成都)有限公司 High-generating-capacity rotary wireless passive device
CN113014066A (en) * 2019-11-05 2021-06-22 德能森智能科技(成都)有限公司 High-generating capacity rotary wireless switch
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CN112332695A (en) * 2020-09-29 2021-02-05 长春工业大学 Rotating shaft type piezoelectric power generation device

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