CN107025748A - A kind of passive and wireless door status sensor and micro-energy acquisition method - Google Patents
A kind of passive and wireless door status sensor and micro-energy acquisition method Download PDFInfo
- Publication number
- CN107025748A CN107025748A CN201710273628.2A CN201710273628A CN107025748A CN 107025748 A CN107025748 A CN 107025748A CN 201710273628 A CN201710273628 A CN 201710273628A CN 107025748 A CN107025748 A CN 107025748A
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- Prior art keywords
- permanent magnet
- coil
- driving
- passive
- rotatable
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
Abstract
A kind of passive and wireless door status sensor and micro-energy acquisition method, belong to door sensor technical field.Including micro-energy acquisition module, wireless signal transmitting module；Wherein micro-energy acquisition module includes drive component, electrification component；Drive component includes permanent magnet mounting bracket, the first driving permanent magnet and the second driving permanent magnet；First driving permanent magnet and the second driving permanent magnet are respectively arranged in the both sides of permanent magnet mounting bracket, and both are installed in the mutually exclusive mode of polarity, and a certain distance that mutually staggers；Electrification component includes rotatable permanent magnet, air core coil, coil support frame, base and shell.The present invention can be used for a long time without external power supply or external battery；It is simple in construction, be easily installed, during installation without wiring punching；It is mountable to the equipment such as various doors, window, safety cabinet；It can be connected with internet, can be by the switch conditions of various terminals, at any time monitoring door, window, drawer, safety cabinet etc..
Description
Technical field
The present invention relates to a kind of passive and wireless door status sensor and micro-energy acquisition method, belong to door sensor technical field.
Background technology
The development of wireless door magnetic switch, suitable facility is provided for it in the use of safety-security area, has obtained extensive
Using.Its operation principle is the work shape for the tongue tube for controlling door status switch by the distance between magnet and door status switch
State, the wireless transmitting function part when on off state of tongue tube changes then in wireless door magnetic sends the 24 of door sensor to main frame
Bit address code, alarm host machine, which is received, carries out corresponding flow processing after the signal.
The transmission of wireless signal is required to power using battery in the serial scheme, is limited by the limitation of battery capacity, needs
Want frequent charge or change battery, stand-by time is probably at 2 months or so, it is impossible to reach long-term use.Such product makes
Convenience is lost during, the maintenance cost in later stage is also higher, while the generation of old and useless battery, does not meet current green
The need for smart home.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of passive and wireless door status sensor and micro-energy collection side
Method.
A kind of passive and wireless door status sensor, including micro-energy acquisition module, wireless signal transmitting module；Wherein micro-energy
Acquisition module includes drive component, electrification component；
The electric energy supply wireless signal transmitting module of micro-energy acquisition module collection, drives wireless signal transmitting module work
Make, and launch wireless signal to terminal receiver；
Drive component includes permanent magnet mounting bracket, the first driving permanent magnet and the second driving permanent magnet；First driving permanent magnetism
Body and the second driving permanent magnet are respectively arranged in the both sides of permanent magnet mounting bracket, and both are installed in the mutually exclusive mode of polarity,
Optimal both mutually stagger a certain distance；
Electrification component includes rotatable permanent magnet, air core coil, coil support frame, base and shell；Can be free
The permanent magnet of rotation is put in inside air core coil, and rotatable permanent magnet is fixed on by coil two sides with coil support frame
Wherein；It is connected to a fixed outside coil support frame with base with shell；
The rotatable permanent magnet of electrification component, is placed in during installation between 2 pieces of driving permanent magnets of drive component, and
Certain spacing can be kept, makes electrification component in the non-contact case can normal power generation with drive component.The present invention is adopted
The electric energy supply wireless signal transmitting module of collection, driving wireless signal transmitting module work, and launch wireless signal to terminal
Receiver, including middle control, alarm, mobile phone, pcs terminal equipment.
The present invention cuts with the object of relative motion applied to door, window, drawer, safety cabinet, distribution box one；Launch low-power consumption
It is wireless signal, including but not limited to RF, 2.4G, Zigbee, bluetooth, infrared；The wireless communication of passive and wireless door status sensor transmitting
Number it can be directly transmitted to alarm, middle control, main frame.
A kind of passive and wireless door status sensor micro-energy acquisition method, contains following steps；
In switch gate, the relative position of electrification component and drive component changes, so as to change two blocks of driving permanent magnetism
Body and the size for being freely rotatable magnetic force between permanent magnet, to drive rotatable permanent magnet to rotate, can quickly change
The state of the rotatable permanent magnet in air core coil inside is simultaneously inverted, namely passes through the quick change of flow direction generation of air core coil
Change, so as to produce potential on conductive coil, export electric energy；
When door is closed, it is freely rotatable permanent magnet and the first driving permanent magnet is closer to the distance, between the two
For suction, magnetic force is larger；It is distant with the second driving permanent magnetism, it is between the two repulsion, magnetic force is smaller；It is rotatable forever
Suction between magnet and the first driving permanent magnet is predominant intermolecular forces；
During enabling, electrification component follows door to move together, and electrification component starts away from the first driving permanent magnet, and can be free
The close driving permanent magnet of rotating permanent magnet is changed into the second driving permanent magnet, and repulsion between the two becomes big；With the first driving forever
The distance between magnet becomes big, and suction between the two diminishes；Now, rotatable permanent magnet because stress changes and
Rotate, become attracting with the second permanent magnet；The direction for being freely rotatable permanent magnet changes, that is, passes through air core coil
Magnetic flux direction changes, i.e., be changed into S-N (N-S) from N-S (S-N), and air core coil is exportable electric energy, realizes that mechanical energy is arrived
Electric transformation of energy.
By detecting the positive and negative of the sense of current that micro-energy acquisition module is exported, the state opened the door and closed the door is judged.
Advantages of the present invention：
1st, the passive and wireless door status sensor uses micro-energy acquisition module, without external power supply or external battery, can grow
Time uses；
2nd, this passive and wireless door status sensor is simple in construction, be easily installed, during installation without wiring punching；It is mountable to each
Plant the equipment such as door, window, safety cabinet；
3rd, the passive and wireless door status sensor can be connected with internet, can be by various terminals, and monitoring door, window are opened at any time
Concern feeling condition.
Brief description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, can more completely more fully understand the present invention with
And the adjoint advantage of many of which is easily learnt, but accompanying drawing described herein is used for providing a further understanding of the present invention,
The part of the present invention is constituted, schematic description and description of the invention is used to explain the present invention, do not constituted to this hair
Bright improper restriction, such as figure are wherein：
A kind of passive and wireless door status sensor structural representation that Fig. 1 provides for the present invention；
A kind of structural representation for passive and wireless door status sensor that Fig. 2 provides for the present invention；
A kind of micro-energy for passive and wireless door status sensor that Fig. 3 provides for the present invention gathers original state；
A kind of micro-energy for passive and wireless door status sensor that Fig. 4 provides for the present invention gathers last current state.
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect scope.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that wording " the bag used in this specification
Include " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition one or
Other multiple features, integer, step, operation, element, component and/or their group.It should be understood that when title element, component quilt
When ' attach ' to another element, component, it, which can be directly connected to other elements, either component or can also have cental element
Part or component.Wording "and/or" used herein includes one or more associated any cells for listing item and complete
Combine in portion.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) with the general understanding identical meaning with the those of ordinary skill in art of the present invention.
For ease of the understanding to the embodiment of the present invention, explanation will be further explained below, and each embodiment is not
Constitute the restriction to the embodiment of the present invention.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4,
It is a kind of that the mechanical energy of switch gate is converted directly into passive and wireless door status sensor of the electric energy for transmission signal.
A kind of energy source steady in a long-term is provided for passive and wireless door status switch, the collection machinery during the switch gate
Can, circuit is converted mechanical energy into by micro-energy acquisition module and worked for door status sensor, the confession of door status sensor is realized
Electricity.
A kind of passive and wireless door status sensor, including micro-energy acquisition module, wireless signal transmitting module composition.It is wherein micro-
Energy acquisition module includes drive component, electrification component.
Drive component includes permanent magnet mounting bracket, the first driving permanent magnet and the second driving permanent magnet.First driving permanent magnetism
Body and the second driving permanent magnet are respectively arranged in the both sides of permanent magnet mounting bracket, and both are installed in the mutually exclusive mode of polarity,
And a certain distance that mutually staggers.
Electrification component includes rotatable permanent magnet, air core coil, coil support frame, base and shell.Can be free
The permanent magnet of rotation is put in inside air core coil, and rotatable permanent magnet is fixed on by coil two sides with coil support frame
Wherein.It is connected to a fixed outside coil fixing support with base with shell.
Drive component and electrification component are respectively arranged on door and doorframe.
A kind of passive and wireless door status sensor micro-energy acquisition method, in switch gate, electrification component and drive component
Relative position changes, and can quickly change the state of rotatable permanent magnet inside air core coil, make rotatable permanent magnet
Invert, namely inverted suddenly by the flow direction of air core coil suddenly, so that potential is produced on conductive coil,
Export electric energy.When door is closed, it is freely rotatable permanent magnet and the first driving permanent magnet is closer to the distance, between the two
For suction, magnetic force is larger；It is distant with the second driving permanent magnetism, it is between the two repulsion, magnetic force is smaller；It is rotatable forever
Suction between magnet and the first driving permanent magnet is predominant intermolecular forces.During enabling, electrification component follows door to move together, generates electricity
Component starts away from the first driving permanent magnet, and the driving permanent magnet close with being freely rotatable permanent magnet is changed into the second driving permanent magnetism
Body, repulsion between the two becomes big；The distance between permanent magnet is driven to become big with first, suction between the two diminishes；Now,
Rotatable permanent magnet is rotated because stress changes, and becomes attracting with the second permanent magnet.It is freely rotatable forever
The direction of magnet is undergone mutation, i.e., undergone mutation by the magnetic flux direction of air core coil, i.e., sport S-N by N-S (S-N)
(N-S), air core coil can produce induced potential output electric energy, realize mechanical energy to electric transformation of energy.
The electric energy supply wireless signal transmitting module gathered, driving wireless signal transmitting module work, and launch nothing
Line signal is to terminal receiver, including the terminal device such as middle control, alarm, mobile phone, electric energy.
Meanwhile, the invention provides a kind of condition detection method for opening the door and closing the door.When opening the door, electrification component is by first
Driving permanent magnet moves to the second driving permanent magnet, and now the magnet polarities of the rotatable permanent magnet of coil inside are by N-
S sports S-N, i.e., changed by the magnetic flux direction of coil by N-S and sport S-N, the regulation sense of current that now coil is produced
For just；When at closing time, electrification component moves to the first driving permanent magnet by the second driving permanent magnet, now coil inside can from
N-S is sported by S-N by the magnet polarities of the permanent magnet rotated, i.e., N-S is changed into by S-N by the magnetic flux direction of coil,
It is in opposite direction when the sense of current that now coil is produced is with above-mentioned enabling.By detecting the electric current side that micro-energy acquisition module is exported
To it is positive and negative, you can judge to open the door and the state closed the door.
Passive and wireless door status sensor provided by the present invention, can be applied to door, window, drawer, safety cabinet, distribution box etc. one
Cut with the object of relative motion.The passive and wireless door status sensor of micro-energy collection can launch the wireless signal of low-power consumption, wrap
Include but be not limited to RF, it is 2.4G, Zigbee, bluetooth, infrared.The wireless signal of passive and wireless door status sensor transmitting can be directly transmitted to
Alarm, middle control, main frame.
Embodiment 2：
It is shown as shown in Figure 2, Figure 3 and Figure 4, it is a kind of passive and wireless door status sensor micro-energy acquisition module that the present invention is provided
Structure.
Passive and wireless door status sensor micro-energy acquisition module includes electrification component and drive component.Wherein electrification component bag
Include rotatable permanent magnet 50, air core coil 40, coil support frame 30.Described rotatable permanent magnet 50 can be with
It is spherical permanent magnet or cylindrical permanent magnet, or other rotatable permanent magnets；Described air core coil 40 can
To be rectangle hollow coil or cylindrical empty wire-core coil.Rotatable permanent magnet 50 is loaded on coil support frame 30
It is internal.Air core coil 40 is loaded on the rotatable outside of permanent magnet 50, fully wrapped around rotatable permanent magnet 50, air core coil
40 also are secured on coil support frame 30.
Described drive component includes the first driving permanent magnet 11, second driving permanent magnet 12 and permanent magnet supports frame 10.2
Block driving permanent magnet is individually fixed in the both sides of permanent magnet supports frame 10, and its polarity is relative, i.e. N is to N, or S is to S.First
Arranged in dislocation when driving the driving installation of permanent magnet 12 of permanent magnet 11 and second, the size of dislocation can oneself according to inside electrification component
Determined by the diameter of rotating permanent magnet 50.
In switch gate, the relative position of electrification component and drive component changes, and can quickly change air core coil
The state of the 40 rotatable permanent magnets 50 in inside, namely occur quick change by the flow direction of air core coil 40, so as to lead
Potential is produced on electric coil, electric energy is exported.
When door is closed, it is freely rotatable permanent magnet 50 and the first driving permanent magnet 11 is closer to the distance, both
Between be suction, magnetic force is larger；It is distant with the second driving permanent magnetism 12, it is between the two repulsion, magnetic force is smaller；Can freely it revolve
Suction between the driving permanent magnet 11 of permanent magnet 50 and first turned is predominant intermolecular forces.During enabling, electrification component follows door one
The permanent magnet 50 that is freely rotatable inside motion, electrification component is played to start away from the first driving permanent magnet 11, with being freely rotatable
The close driving permanent magnet of permanent magnet 50 is changed into the second driving permanent magnet 12, and repulsion between the two becomes big；With the first driving forever
The distance between magnet 11 becomes big, and suction between the two diminishes；Now, rotatable permanent magnet 50 changes because of stress
Become and rotate, become attracting with the second permanent magnet 12.The direction for being freely rotatable permanent magnet 50 is undergone mutation, that is, passes through sky
The magnetic flux direction of wire-core coil 40 is undergone mutation, i.e., be changed into S-N (N-S) from N-S (S-N), and air core coil 40 is exportable electric energy,
Realize mechanical energy to electric transformation of energy.
Embodiment 3：
As shown in Figures 3 and 4, the detection method for the on off state of a kind of that the present invention is provided.
When opening the door, electrification component moves to the second driving permanent magnet 12 by the first driving permanent magnet 11, now in coil
The magnet polarities of the rotatable permanent magnet in portion change into S-N by N-S, i.e., changed by the magnetic flux direction of coil by N-S
It is changed into S-N, the regulation sense of current that now coil is produced is just；When at closing time, electrification component is moved by the second driving permanent magnet
Permanent magnet is driven to first, now the magnet polarities of the rotatable permanent magnet of coil inside change into N-S by S-N, i.e.,
N-S is changed into by S-N by the magnetic flux direction of coil, the sense of current that now coil is produced with it is above-mentioned in opposite direction.Pass through
Detect the positive and negative of the sense of current that micro-energy acquisition module is exported, you can judge the state opened the door and closed the door.
As described above, being explained to embodiments of the invention, as long as but essentially without this hair of disengaging
Bright inventive point and effect can have many deformations, and this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (9)
1. a kind of passive and wireless door status sensor, it is characterised in that including micro-energy acquisition module, wireless signal transmitting module；Its
Middle micro-energy acquisition module includes drive component, electrification component；
The electric energy supply wireless signal transmitting module of micro-energy acquisition module collection, driving wireless signal transmitting module work, and
Launch wireless signal to terminal receiver；
Drive component includes permanent magnet mounting bracket, the first driving permanent magnet and the second driving permanent magnet；First driving permanent magnet and
Second driving permanent magnet is respectively arranged in the both sides of permanent magnet mounting bracket, and both are installed in the mutually exclusive mode of polarity, optimal
Both mutually stagger a certain distance；
Electrification component includes rotatable permanent magnet, air core coil, coil support frame, base and shell；It is freely rotatable
Permanent magnet be put in inside air core coil, rotatable permanent magnet is fixed on it by coil two sides with coil support frame
In；It is connected to a fixed outside coil support frame with base with shell；
The rotatable permanent magnet of electrification component, is placed between 2 pieces of driving permanent magnets of drive component, and can protect during installation
Certain spacing is held, makes electrification component in the non-contact case can normal power generation with drive component.
2. a kind of passive and wireless door status sensor according to claim 1, it is characterised in that electrification component includes can be free
Permanent magnet, air core coil, the coil support frame of rotation；
Rotatable permanent magnet is spherical permanent magnet or cylindrical permanent magnet；
Air core coil is rectangle hollow coil or cylindrical empty wire-core coil, can also be spherical hollow coil；
Rotatable permanent magnet is loaded on inside coil support frame.
3. a kind of passive and wireless door status sensor according to claim 1, it is characterised in that air core coil is loaded on can be free
On the outside of the permanent magnet of rotation, fully wrapped around rotatable permanent magnet, air core coil is fixed on coil support frame.
4. a kind of passive and wireless door status sensor according to claim 1,2 or 3, it is characterised in that drive component and
Electrification component is respectively arranged on door and doorframe, and can also be respectively arranged in other has on the object device of relative motion.
5. a kind of passive and wireless door status sensor according to claim 1, it is characterised in that the electric energy supply nothing gathered
Line signal emission module, driving wireless signal transmitting module work, and launch wireless signal to terminal receiver, including but not
It is limited to middle control, alarm, mobile phone, pcs terminal equipment.
6. a kind of passive and wireless door status sensor according to claim 1,2,3, it is characterised in that applied to door, window, take out
Drawer, safety cabinet, distribution box one cut with the object of relative motion；The wireless signal of transmitting low-power consumption, including but not limited to RF,
It is 2.4G, Zi gbee, bluetooth, infrared；The wireless signal of passive and wireless door status sensor transmitting can be directly transmitted to terminal receiver,
Including but not limited to alarm, middle control, main frame, mobile terminal device.
7. a kind of passive and wireless door status sensor micro-energy acquisition method, it is characterised in that contain following steps；
In switch gate, the relative position of electrification component and drive component changes, thus change two pieces driving permanent magnets with
The size of magnetic force between permanent magnet is freely rotatable, to drive rotatable permanent magnet to rotate, can quickly change hollow
Coil inside is freely rotatable the state of permanent magnet and inverted, namely occurs quick become by the flow direction of air core coil
Change, so as to produce potential on conductive coil, export electric energy；
When door is closed, it is freely rotatable permanent magnet and the first driving permanent magnet is closer to the distance, be between the two suction
Power, magnetic force is larger；It is distant with the second driving permanent magnet, it is between the two repulsion, magnetic force is smaller；Rotatable permanent magnetism
Suction between body and the first driving permanent magnet is predominant intermolecular forces；
During enabling, electrification component follows door to move together, and electrification component starts away from the first driving permanent magnet, with being freely rotatable
The close driving permanent magnet of permanent magnet is changed into the second driving permanent magnet, and repulsion between the two becomes big；With the first driving permanent magnet
The distance between become big, suction between the two diminishes；Now, rotatable permanent magnet occurs because stress changes
Rotation, becomes attracting with the second permanent magnet；The direction for being freely rotatable permanent magnet changes, that is, passes through the magnetic flux of air core coil
Amount direction changes, i.e., be changed into S-N (N-S) from N-S (S-N), air core coil is exportable electric energy, realizes mechanical energy to electric energy
Conversion.
8. a kind of passive and wireless door status sensor micro-energy acquisition method according to claim 7, it is characterised in that when opening
Men Shi, electrification component moves to the second driving permanent magnet by the first driving permanent magnet, and now coil inside is rotatable
The magnet polarities of permanent magnet change into S-N by N-S, i.e., change into S-N by N-S by the magnetic flux of coil, provide now coil
The sense of current of generation is just；When at closing time, electrification component moves to the first driving permanent magnet by the second driving permanent magnet, now
The magnet polarities of the rotatable permanent magnet of coil inside change into N-S by S-N, i.e., by the magnetic flux of coil by S-N
Change into N-S, the sense of current that now coil is produced with it is above-mentioned in opposite direction.
9. a kind of passive and wireless door status sensor micro-energy acquisition method according to claim 8, it is characterised in that pass through
Detect positive and negative, the state that judgement is opened the door and closed the door of the sense of current of micro-energy acquisition module output.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710273628.2A CN107025748A (en) | 2017-04-24 | 2017-04-24 | A kind of passive and wireless door status sensor and micro-energy acquisition method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710273628.2A CN107025748A (en) | 2017-04-24 | 2017-04-24 | A kind of passive and wireless door status sensor and micro-energy acquisition method |
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| CN109559490A (en) * | 2018-12-29 | 2019-04-02 | 南京信息工程大学 | A kind of self power generation door opening/closing prompting device and method |
| CN111405390A (en) * | 2020-03-02 | 2020-07-10 | 浙江依圆节能科技有限公司 | Wireless passive transmitting device for detecting opening and closing states of door and window |
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