CN106531565A - Energy-saving bistable electromagnetic relay capable of energy collection - Google Patents
Energy-saving bistable electromagnetic relay capable of energy collection Download PDFInfo
- Publication number
- CN106531565A CN106531565A CN201610973688.0A CN201610973688A CN106531565A CN 106531565 A CN106531565 A CN 106531565A CN 201610973688 A CN201610973688 A CN 201610973688A CN 106531565 A CN106531565 A CN 106531565A
- Authority
- CN
- China
- Prior art keywords
- double
- energy
- bistable
- carbon fiber
- bistable state
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/27—Relays with armature having two stable magnetic states and operated by change from one state to the other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
Abstract
The invention discloses an energy-saving bistable electromagnetic relay capable of energy collection and belongs to the field of an electromagnetic relay. Two poles of a low-voltage power supply are respectively electrically connected with a first static contact and a second static contact of a double-pole double-throw switch, a first moving contact and a second moving contact of the double-pole double-throw switch are respectively electrically connected with the two ends of a solenoid coil, the first static contact of the double-pole double-throw switch is electrically connected with a third static contact of the double-pole double-throw switch, the second static contact of the double-pole double-throw switch is electrically connected with a fourth static contact of the double-pole double-throw switch, a bistable laminate is arranged right above the solenoid coil, a permanent magnet is fixed on the lower surface of the bistable laminate, multiple piezoelectric ceramic sheets are fixed on the upper surface of the bistable laminate, and two contacts are fixed at the other end of the lower surface of the bistable laminate. According to the invention, an electromagnetic relay switch function is realized by use of two stable structures of the bistable laminate, a low-voltage power supply is unnecessary for maintaining energy in turning-on and turning-off of a work circuit, and the energy-saving bistable electromagnetic relay capable of energy collection has the advantages of simple structure, low power consumption, high stability and light weight.
Description
Technical field
The present invention relates to a kind of bistable electromagnetic relay, belongs to electromagnetic relay field.
Background technology
Electromagnetic relay has a wide range of applications in automatic control system and electronic equipment, in being automatic control system
One of critical elements.At present, nearly all electromagnetic relay main body is constituted by electromagnetic mechanism and contact point structure, its contact action
With state by solenoid actuated and holding, electromagnet will be also remained powered under adhesive or release conditions, and power consumption is larger, and line
Easily easily there is potential safety hazard to circle in heating.
To improve monostatic relay disadvantages mentioned above, various bistable relays arise at the historic moment.Current bistable state relay
Device relies primarily on additional permanent magnets and provides suction maintenance connection and fragmentation state.Such as sending out for Publication No. CN 105023810A
Bright patent application discloses " a kind of band permanent-magnet bistable clapper-type electromagnetic relay ", and Publication No. CN 105161370A's sends out
Bright patent application discloses " a kind of novel belt permanent-magnet bistable clapper-type electromagnetic relay ", using permanent magnet improve suction and and
The confining force of release stable position, improves the reliability of relay.But need additional yoke, armature, permanent magnet etc..Notification number
Utility model patent for CN204857593U discloses " big contact open away from magnetic latching relay ", magnetic latching relay it is normal
Close or normally open is entirely to rely on the effect of permanent magnet, the conversion of its on off state is the pulse electrical signal by one fixed width
Trigger and complete.Authorization Notice No. is disclosed for the utility model patent of CN103493166A " has the bistable of x- motors
State electromagnetic relay ", the utility model patent provide a kind of so-called bistable electromagnetic relay component, including one is rotatable
Electromagnetic coil assembly, first and second pairs of relative permanent magnets and a switch module.Authorization Notice No. is CN104425186A
Patent of invention disclose " bistable relay and bistable actuator ", the patent of invention includes magnetic maintenance mechanism and electromagnetism
Iron maintaining body, includes columnar magnet, rotating shaft etc. in structure design, structure is more complicated.
Above bistable relay mainly adopts additional permanent magnets, by the suction reality of electromagnetic field effect and permanent magnet
Existing bistable electromagnetic relay function, complex structure, weight are big, do not possess collection of energy or self-powered function.
The content of the invention
It is an object of the invention to provide it is a kind of energy-saving and can collection of energy bistable electromagnetic relay, to realize electromagnetism
Relay need not strongly keep and can stablize purpose in working order, and have reliability, low energy consumption, simple structure special
Point.
The present invention using bistable state laminate bistable structure characteristic, i.e., its under two structural stabilities, by itself bullet
Property can maintain which is stable shaped, and the contact force that two contacts offers can be given enough.At the same time it can also in state change,
The energy that collection structure deformation is produced, energy may be up to milliwatt, for charging to external cell or passing for monitoring structural health conditions
Sensor provides power supply etc..
Above-mentioned purpose is realized, the technical scheme that the present invention takes is as follows:
It is a kind of energy-saving and can collection of energy bistable electromagnetic relay, its composition includes:Low-tension supply, DPDT are opened
Pass, solenoid, bistable state laminate, permanent magnet, pedestal, bobbin, two contacts and multiple piezoelectric ceramic pieces, described double-pole are double
Throw switch includes two movable contacts and four stationary contacts, and two described movable contacts are movable contact one and movable contact two respectively, institute
Four stationary contacts stated are stationary contact one, stationary contact two, stationary contact three and stationary contact four respectively;
The two poles of the earth of described low-tension supply connect two electrical connection of the stationary contact one of double-point double-throw switch and stationary contact respectively, described
The movable contact one and movable contact two of double-point double-throw switch is electrically connected with the two ends of solenoid respectively, the stationary contact of double-point double-throw switch
Point one is electrically connected with stationary contact three, and the stationary contact two of double-point double-throw switch is electrically connected with stationary contact four, and described solenoid is twined
It is around on bobbin, described bobbin is vertically arranged and is fixed on the base plate of pedestal, one end of described bistable state laminate and base
The top of the column of seat is fixedly connected, and bistable state laminate is arranged on the surface of solenoid, and described permanent magnet is fixed on double
The lower surface of stable state laminate, described multiple piezoelectric ceramic pieces are fixed on the upper surface of bistable state laminate, two described contacts
It is fixed on the other end of bistable state laminate lower surface, the other end described in bistable state laminate has and is upturned and tilts downwards two
Individual symmetrical stable state;When state of the bistable state laminate other end in tilting downwards, two contacts and high-tension circuit
Switch ends are contacted, and high-tension circuit is connected;When state of the bistable state laminate other end in being upturned, two contacts with it is high
The switch ends of volt circuit are separated, and high-tension circuit disconnects.
Further, described multiple piezoelectric ceramic pieces are fixed on the upper surface of bistable state laminate with array arrangement form.
The present invention relative to the beneficial effect of prior art is:
1st, the present invention realizes electromagnetic relay switch function using two kinds of structural stabilities of bistable state laminate, is being switched on or switched off work
Low-tension supply is not needed persistently to maintain energy in making circuit, with simple structure, low in energy consumption, good stability feature, and can
Realize collection of energy.
2nd, as the bistable state laminate in the present invention is the layer platy structure that carbon fiber layer and metal material layer are composited,
Bistable state laminate is driven by permanent magnet and is deformed, and compared to the somewhat complex design using more permanent magnets, present configuration is simply easy
Realize, and it is lightweight.
Description of the drawings
Fig. 1 be the present invention it is energy-saving and can collection of energy bistable electromagnetic relay operation principle schematic diagram;
Fig. 2 be the present invention it is energy-saving and can collection of energy bistable electromagnetic relay two kinds of structural stabilities of bistable state laminate
Schematic diagram;
Fig. 3 be the present invention it is energy-saving and can collection of energy bistable electromagnetic relay bistable state laminate top view;
A-A sectional views of the Fig. 4 for Fig. 3.
In figure:1 low-tension supply, 2 double-point double-throw switch, 2-1 movable contacts one, 2-2 movable contacts two, 2-3 stationary contacts one, 2-4
Stationary contact two, 2-5 stationary contacts three, 2-6 stationary contacts four, 3 solenoids, 4 bistable state laminates, 4-1 carbon fiber composite layers one,
4-2 metallic plates, 4-3 carbon fiber composite layers two, 5 permanent magnets, 6 contacts, 7 piezoelectric ceramic pieces, 8 pedestals, 8-1 base plates, 8-2 stand
Post, 9 bobbins.
Specific embodiment
Below in conjunction with the accompanying drawings technical scheme is further described, but is not limited thereto, it is every to this
Inventive technique scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention, all should cover
In protection scope of the present invention.
Specific embodiment one:As depicted in figs. 1 and 2, it is a kind of energy-saving and can collection of energy bistable electromagnetic relay
Device, its composition include:Low-tension supply 1, double-point double-throw switch 2, solenoid 3, bistable state laminate 4, permanent magnet 5, pedestal 8, line
9, two contacts 6 of axle and multiple piezoelectric ceramic pieces 7, described double-point double-throw switch 2 include two movable contacts and four stationary contacts,
Two described movable contacts are two 2-2 of one 2-1 of movable contact and movable contact respectively, and four described stationary contacts are stationary contact one respectively
2-3, two 2-4 of stationary contact, four 2-6 of three 2-5 of stationary contact and stationary contact,
The two poles of the earth of described low-tension supply 1 connect one 2-3 of stationary contact and two 2-4 of stationary contact of double-point double-throw switch 2 respectively and are electrically connected
Connect, one 2-1 of movable contact and two 2-2 of movable contact of described double-point double-throw switch 2 are electrically connected with the two ends of solenoid 3 respectively,
One 2-3 of stationary contact of double-point double-throw switch 2 is electrically connected with three 2-5 of stationary contact, two 2-4 of stationary contact of double-point double-throw switch 2 with it is quiet
Four 2-6 of contact is electrically connected, and described solenoid 3 is wound on bobbin 9, and described bobbin 9 is vertically arranged and is fixed on pedestal 8
Base plate 8-1 on, one end of described bistable state laminate 4 is fixedly connected with the top of the column 8-2 of pedestal 8, bistable state laminate 4
It is arranged on the surface of solenoid 3, described permanent magnet 5(Using bonding way)The lower surface of bistable state laminate 4 is fixed on,
Described multiple piezoelectric ceramic pieces 7(Using bonding way)It is fixed on the upper surface of bistable state laminate 4, two described contacts 6
(Using bonding way)The other end of 4 lower surface of bistable state laminate is fixed on, the other end described in bistable state laminate 4 has upwards
Tilt and tilt downwards two symmetrical stable states;When 4 other end of bistable state laminate is in the state of tilting downwards, two
Contact 6 is contacted with the switch ends of high-tension circuit, and high-tension circuit is connected;When 4 other end of bistable state laminate is in what is be upturned
During state, two contacts 6 are separated with the switch ends of high-tension circuit, and high-tension circuit disconnects.
Pedestal 8 includes base plate 8-1 and column 8-2, the lower end of described column 8-2 and one end of the upper surface of base plate 8-1
It is fixedly connected.
The connecting and disconnecting of two contacts 6, are to remain each stable shaped by the natural resiliency of bistable state laminate 4, and
Two contacts 6 are kept to switch on and off state.
There is larger structure deformation using the 6 two configuration transformations of bistable state laminate, and realize that energy is received using piezoelectric principle
Collection.
The structure of itself of bistable state laminate 4 in present embodiment is prior art, with Authorization Notice No. is
CN104065303B, authorized announcement date are on 01 27th, 2016, the invention of entitled " piezoelectricity bistable state energy harvester " is special
" bistable state arc plate " structure disclosed in profit is identical.
Specific embodiment two:As shown in Fig. 2 a kind of energy-saving described in specific embodiment one and can collection of energy
Bistable electromagnetic relay, described multiple piezoelectric ceramic pieces 7 are fixed on the upper table of bistable state laminate 4 with array arrangement form
Face.
The effect of specific embodiment two is:Piezoelectric ceramic piece 7 is upwarped and being had a downwarp long-living larger with bistable state laminate 4
Strain differential, using piezo-electric effect, can produce milliwatt electric energy, and these electric energy can directly be stored in battery or to sensor etc.
Power supply, reaches energy-conserving action.
Specific embodiment three:As shown in Figures 3 and 4, a kind of energy-saving described in specific embodiment one or two and can energy
The bistable electromagnetic relay of collection, described bistable state laminate 4 include one 4-1 of carbon fiber composite layer, metallic plate 4-2 with
And two 4-3 of carbon fiber composite layer;Described metallic plate 4-2's is shaped as rectangle, glues in the side plate face of metallic plate 4-2
One 4-1 of carbon fiber composite layer is connected to, two 4-3 of carbon fiber composite layer in another lateral plates of metallic plate 4-2, is bonded with,
Described one 4-1 of carbon fiber composite layer is located at the carbon fiber laying direction in metallic plate 4-2 side plate Middle faces region and carbon
The carbon fiber laying direction that two 4-3 of fiber composite layer is located at another lateral plates central regions of metallic plate 4-2 is consistent, parallel
Lay in the length direction of metallic plate 4-2(I.e. 0 ° laying), one 4-1 of carbon fiber composite layer is positioned at metallic plate 4-2 side plates
Carbon fiber laying direction and two 4-3 of carbon fiber composite layer of face both sides are located at the carbon of another lateral plates both sides of metallic plate 4-2
Fleece-laying direction is consistent, is each perpendicular to the width laying of metallic plate 4-2(I.e. 90 ° layings).
The effect of specific embodiment three is:The bistable state laminate 4 due to adopting metal intermediate layer, compared to Granted publication
Number for CN104065303B arc plate, with bigger rigidity so that contact 6 contacts more firm.
Operation principle:The present invention it is energy-saving and can collection of energy bistable electromagnetic relay utilize bistable state laminate 4
Bistable state form with collection of energy characteristics design, by low-tension supply 1 control operating circuit.Specially:
One 2-1 of movable contact of double-point double-throw switch 2 is electrically connected with four 2-6 of static contact, by the movable contact two of double-point double-throw switch 2
2-2 is electrically connected with three 2-5 of static contact, then power supply circuits are connected, and solenoid 3 produces magnetic field absorption permanent magnet 5, bistable state laminate
4 other end deforms downwards, then two contacts 6 are contacted with the switch ends of high-tension circuit, then high-tension circuit(Operating circuit)Connect
Logical, now cutoff low power supply 1, that is, disconnect double-point double-throw switch 2, due to the bistable character of bistable state laminate 4, remains to keep
Two contacts 6 are in close contact with the switch ends of high-tension circuit, remain turned on high-tension circuit;
One 2-1 of the movable contact 2-3s first with stationary contact of double-point double-throw switch 2 is electrically connected, by the movable contact two of double-point double-throw switch 2
2-2 is electrically connected with two 2-4 of static contact, and reversely, solenoid 3 produces magnetic field and the permanent magnet 5 on bistable state laminate 4 to power supply circuits
Repel, the other end of bistable state laminate 4 is upwardly-deformed, then two contacts 6 are separated with the switch ends of high-tension circuit, then high-tension electricity
Road(Operating circuit)Disconnect.In the same manner, now double-point double-throw switch 2, operating circuit disconnect, due to the bistable of bistable state laminate 4
Characteristic, remains to keep two contacts 6 to separate with the switch ends of high-tension circuit, and operating circuit is off.In bistable state
Laminate during saltus step, is made the multiple piezoelectric ceramic pieces 7 for being fixed on 4 upper surface of bistable state laminate produce strain, is realized about 4
The collection of energy, powers to external cell.The present invention it is energy-saving and can collection of energy bistable electromagnetic relay connect
Or not needing power supply to continue supplying energy in disconnecting operating circuit, it is not necessary to additional springs etc., simple structure is easily realized, and low
Energy consumption can also carry out collection of energy, so as to realize self-powered or energy supplement, or the sensor power for self structure monitoring etc.,
And low energy consumption can also carry out collection of energy and realize self-powered or energy supplement.
Claims (3)
1. a kind of energy-saving and can collection of energy bistable electromagnetic relay, its composition includes:Low-tension supply(1), double-pole it is double
Throw switch(2), solenoid(3), bistable state laminate(4), permanent magnet(5), pedestal(8), bobbin(9), two contacts(6)And it is many
Individual piezoelectric ceramic piece(7), described double-point double-throw switch(2)Including two movable contacts and four stationary contacts, described two move
Contact is movable contact one respectively(2-1)With movable contact two(2-2), four described stationary contacts are stationary contact one respectively(2-3), it is quiet
Contact two(2-4), stationary contact three(2-5)With stationary contact four(2-6);
It is characterized in that:Described low-tension supply(1)The two poles of the earth connect double-point double-throw switch respectively(2)Stationary contact one(2-3)
With stationary contact two(2-4)Electrical connection, described double-point double-throw switch(2)Movable contact one(2-1)With movable contact two(2-2)Respectively
With solenoid(3)Two ends electrical connection, double-point double-throw switch(2)Stationary contact one(2-3)With stationary contact three(2-5)It is electrically connected
Connect, double-point double-throw switch(2)Stationary contact two(2-4)With stationary contact four(2-6)Electrical connection, described solenoid(3)Winding
In bobbin(9)On, described bobbin(9)It is vertically arranged and is fixed on pedestal(8)Base plate(8-1)On, described bistable state layer
Plate(4)One end and pedestal(8)Column(8-2)Top be fixedly connected, bistable state laminate(4)It is arranged on solenoid(3)
Surface, described permanent magnet(5)It is fixed on bistable state laminate(4)Lower surface, described multiple piezoelectric ceramic pieces(7)Gu
It is scheduled on bistable state laminate(4)Upper surface, two described contacts(6)It is fixed on bistable state laminate(4)The other end of lower surface,
Bistable state laminate(4)The described other end have be upturned and downwards tilt two symmetrical stable states;When bistable state layer
Plate(4)When the other end is in the state for tilting downwards, two contacts(6)Contact with the switch ends of high-tension circuit, high-tension circuit
Connect;When bistable state laminate(4)When the other end is in the state being upturned, two contacts(6)With the switch two of high-tension circuit
End separates, and high-tension circuit disconnects.
2. according to claim 1 a kind of energy-saving and can collection of energy bistable electromagnetic relay, it is characterised in that:
Described multiple piezoelectric ceramic pieces(7)Bistable state laminate is fixed on array arrangement form(4)Upper surface.
3. according to claim 1 and 2 a kind of energy-saving and can collection of energy bistable electromagnetic relay, its feature exists
In:Described bistable state laminate(4)Including carbon fiber composite layer one(4-1), metallic plate(4-2)And carbon fiber composite
The bed of material two(4-3);Described metallic plate(4-2)Be shaped as rectangle, metallic plate(4-2)Side plate face on to be bonded with carbon fine
Dimension composite layer one(4-1), metallic plate(4-2)Another lateral plates on be bonded with carbon fiber composite layer two(4-3), institute
The carbon fiber composite layer one stated(4-1)Positioned at metallic plate(4-2)Side plate Middle face region carbon fiber laying direction with
Carbon fiber composite layer two(4-3)Positioned at metallic plate(4-2)The carbon fiber laying direction of another lateral plates central region is consistent,
Each parallel to metallic plate(4-2)Length direction laying, carbon fiber composite layer one(4-1)Positioned at metallic plate(4-2)Side
Carbon fiber laying direction and the carbon fiber composite layer two of plate face both sides(4-3)Positioned at metallic plate(4-2)Another lateral plates two
The carbon fiber laying direction of side is consistent, is each perpendicular to metallic plate(4-2)Width laying.
Priority Applications (1)
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CN201610973688.0A CN106531565B (en) | 2016-11-07 | 2016-11-07 | It is a kind of energy-saving and can collection of energy bistable electromagnetic relay |
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CN201610973688.0A CN106531565B (en) | 2016-11-07 | 2016-11-07 | It is a kind of energy-saving and can collection of energy bistable electromagnetic relay |
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CN106531565A true CN106531565A (en) | 2017-03-22 |
CN106531565B CN106531565B (en) | 2018-10-19 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202352588U (en) * | 2011-11-02 | 2012-07-25 | 张安洪 | Bistable relay consuming no energy |
CN203179801U (en) * | 2013-03-30 | 2013-09-04 | 江苏正启电气有限公司 | Miniature relay |
CN103715016A (en) * | 2012-09-28 | 2014-04-09 | 天津凯安特机电设备有限公司 | Electromagnetic relay |
CN104065303A (en) * | 2014-05-28 | 2014-09-24 | 哈尔滨工业大学 | Piezoelectric bi-stable state energy collector |
CN204289138U (en) * | 2014-11-27 | 2015-04-22 | 山东科技大学 | Electromagnetic type power-off restoration switch |
CN106030750A (en) * | 2013-12-30 | 2016-10-12 | 埃尔贝克斯视象株式会社 | Mechanical latching relays and hybrid switches with latching relays for use in electrical automation |
-
2016
- 2016-11-07 CN CN201610973688.0A patent/CN106531565B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202352588U (en) * | 2011-11-02 | 2012-07-25 | 张安洪 | Bistable relay consuming no energy |
CN103715016A (en) * | 2012-09-28 | 2014-04-09 | 天津凯安特机电设备有限公司 | Electromagnetic relay |
CN203179801U (en) * | 2013-03-30 | 2013-09-04 | 江苏正启电气有限公司 | Miniature relay |
CN106030750A (en) * | 2013-12-30 | 2016-10-12 | 埃尔贝克斯视象株式会社 | Mechanical latching relays and hybrid switches with latching relays for use in electrical automation |
CN104065303A (en) * | 2014-05-28 | 2014-09-24 | 哈尔滨工业大学 | Piezoelectric bi-stable state energy collector |
CN204289138U (en) * | 2014-11-27 | 2015-04-22 | 山东科技大学 | Electromagnetic type power-off restoration switch |
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