CN102655455B - Self-powered wireless two-way communication sensor and control switch - Google Patents
Self-powered wireless two-way communication sensor and control switch Download PDFInfo
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- CN102655455B CN102655455B CN201110049714.8A CN201110049714A CN102655455B CN 102655455 B CN102655455 B CN 102655455B CN 201110049714 A CN201110049714 A CN 201110049714A CN 102655455 B CN102655455 B CN 102655455B
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Abstract
The invention discloses a self-powered wireless two-way communication sensor which comprises a microcontroller unit 9, a power supply management control unit 7 connected with the microcontroller unit 9, and a wireless signal transceiving unit 11 connected with the microcontroller unit 9, as well as soft magnet 1, a conductive coil 2, a permanent magnet 3 and a reset spring 4, wherein the wireless signal transceiving unit 11 can realize two-way communication and one-way receiving or transmitting; the positions of the conductive coil 2, the permanent magnet 3 and the reset spring 4 are fixed relatively; the conductive coil 2 is sheathed on the soft magnet 1, the fulcrum of the soft magnet 1 in the conductive coil 2 is fixed relative to the conductive coil 2, two ends of the soft magnet 1 can do certain vertical displacement around the fulcrum, and the displacement can not exceed the height of inside space at two ends of the permanent magnet 3; one end of the soft magnet 1 is connected with the reset spring 4; and the soft magnet, the coil 2, the permanent magnet 3 and the reset spring 4 forms a self-powered energy collection unit 20. According to the invention, no wiring, batteries or maintenance is required, and microniaturization can be achieved.
Description
Technical field
The invention belongs to wireless sense network and the applied technical field such as intelligent building, Smart Home, be applicable to wireless senser and control switch.
Background technology
Along with the development of Industry Control and sensing technology, various transducer and control switch application become more and more general.Traditional transducer and switch product all need to power could normally work with holding wire signal transmission and/or power line.In many practical applications, by environmental limitations, wiring is substantially impossible or cost is very expensive, and at this moment wireless sensing and control technology, just become ideal chose.But wireless technology just solves the problem of undesired signal line, but need energy equally, therefore cannot the place of cloth power line, usually adopt battery to be that wireless senser and switch are powered.Battery is limited, needs often to change, and this had both added operation and maintenance cost, also usually causes system cisco unity malfunction not in time owing to changing.
Due to the own vol of transducer used in everyday and control switch and power consumption all smaller, usually can consider to collect from the light energy in the mechanical energy such as pressure or surrounding enviroment, convert thereof into electric energy and power to transducer and control switch.
Light energy collection aspect, because the indoor illumination intensity at transducer and control switch place may be not enough, the area of light energy battery plate is also subject to the volume size restriction of whole transducer and switch, unsatisfactory in the result of use in part place.
Mechanical energy collection aspect, also once someone attempts utilizing piezoelectric ceramic to be subject to External Force Acting and produces distortion, thus the principle of generation current and voltage develops wireless passive switch.But because piezoelectric ceramic technology cost is more expensive, and namely use multilayer piezoelectric ceramic to superpose the electric current that produces and voltage is also not enough to driving switch circuit, usually so piezoelectric ceramic technology also has more restriction.
Mechanical energy generation technology based on conductive coil electromagnetic induction principle can produce enough large curtage, if but adopt traditional coil and rotor structure, its generator volume is then relatively large, is generally not suitable for the application of microminiaturized transducer or flat control switch.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of self-power wireless two-way communication sensor, and its structure is simple, without battery, without the need to wiring, realize both-way communication, non-maintaining, microminiaturized.
For solving above technical problem, the invention provides a kind of self-power wireless two-way communication sensor, described device at least comprises: micro controller unit 9, the power supply management control unit 7 be connected with micro controller unit 9, the wireless signal Transmit-Receive Unit 11 be connected with micro controller unit 9, wireless signal Transmit-Receive Unit 11 wherein both can realize two-way communication, also in order to reduce the needs of power consumption and cost further, and can only be operated in the communication pattern of unidirectional reception or transmission.Described device also at least comprises: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4.Wherein, conductive coil 2, permanent magnet 3 are relative with the position of back-moving spring 4 fixing.Conductive coil 2 is enclosed within soft magnet 1, and soft magnet 1 is relative with conductive coil 2 fixing at the fulcrum of conductive coil 2 inside, and then can there be certain upper and lower displacement at the two ends of soft magnet 1 around fulcrum, and displacement is limited with the two ends inner space height of permanent magnet 3.One end of soft magnet 1 is connected with back-moving spring 4.Soft magnet 1, conductive coil 2, permanent magnet 3 and back-moving spring 4 be composition self-powered energy collection unit 20 jointly.
Beneficial effect of the present invention is: by mechanical energy energy collection technology and wireless two-way communication combine with technique, the wireless receiving and dispatching of self-powered and various sensing or switching signal can be realized, to solve without the need to wiring, without battery, both-way communication, non-maintaining, microminiaturized practical application request.
Further, this device can also comprise: the electricity memory cell 8 be connected with power supply management control unit 7.Electricity memory cell 8 can be various energy-storage battery or the accumulator such as electric capacity, inductance, for store from energy collection unit 20 produce and the electric energy crossed through power supply management control unit 7 Transformer Rectifier.
Further, this device can also comprise: transducing signal collecting unit 10.Transducing signal collecting unit 10 can be the various signal transducers such as temperature, gas, liquid, wind speed, movement, vibration and acousto-optic-electric, for converting natural various physics, chemistry and the signal such as biological to the signal of telecommunication, giving micro controller unit 9 and processing.
Further, mobile or vibrating sensor unit 10 can be integrated in energy collection unit 20.The amount of displacement that soft magnet 1 one end produces by External Force Acting is directly related with conductive coil output current and magnitude of voltage, and micro controller unit 9 can calculate this displacement according to this current/voltage value.
Further, wireless transmit/receive units 11 possesses bidirectional communication function, not only the sensing after micro controller unit 9 processes or switching signal wirelessly can be sent, but also the signal that can accept from host computer, gateway, actuator or other sensing node, give micro controller unit 9 after receiving this type of wireless signal and process or perform.
Accompanying drawing explanation
Fig. 1 is self-powered energy collection unit structure chart described in the embodiment of the present invention;
Fig. 2 is the self-powered energy collection unit structure chart with spring leaf described in the embodiment of the present invention;
Fig. 3 is the self-powered energy collection unit structure chart with dual reset spring described in the embodiment of the present invention;
Fig. 4 is self-power wireless switch junctions composition described in the embodiment of the present invention;
Fig. 5 is self-power wireless sensor construction figure described in the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only for explaining the present invention, instead of for limiting the present invention.
Mechanical energy energy collection technology and wireless two-way communication combine with technique get up by the present invention, the wireless receiving and dispatching of self-powered and various sensing or switching signal can be realized, to solve without the need to wiring, without battery, both-way communication, non-maintaining, microminiaturized practical application request.
Self-powered energy collection unit 20 structure chart that Fig. 1 provides for first embodiment of the invention, for convenience of explanation, illustrate only the part that function is relevant therewith in figure.This part comprises: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4.Wherein, conductive coil 2, permanent magnet 3 are relative with the position of back-moving spring 4 fixing.Conductive coil 2 is enclosed within soft magnet 1, and soft magnet 1 is relative with conductive coil 2 fixing at the fulcrum of conductive coil 2 inside, and then can there be certain upper and lower displacement at the two ends of soft magnet 1 around fulcrum, and displacement is limited with the two ends inner space height of permanent magnet 3.One end of soft magnet 1 is connected with back-moving spring 4.
When initially not having the state of External Force Acting, under the attraction effect of permanent magnet 3, E, G end of soft magnet 1 is close together with B, D contact point of permanent magnet 3 respectively, and now the E end of soft magnet 1 is N magnetic pole, and G end is S magnetic pole.When under the momentary action at external force F, if strength is greater than the resistance of magnet suction and spring, E, G end of soft magnet 1 then moves to A, C contact point of permanent magnet 3, and now the magnetic polarity of soft magnet 1 is inverted to E end for S pole, and G end is N pole.In the process, conductive coil will be sensed the moment magnetic polarity change of soft magnet 1 and produce electric energy and outwards exported by P1 and P2 voltage both positive and negative polarity contact point.Subsequently, after the momentary action of external force F disappears, the elastic force effect of back-moving spring 4 makes E, G of soft magnet 1 hold the attraction breaking away from permanent magnet 3, move to initial position respectively and be close together with B, D contact point of permanent magnet 3, now the magnetic polarity of soft magnet 1 is reversed again, E end becomes N magnetic pole, and G end is then S magnetic pole.Return in the process of initial position at this, conductive coil again will sense the moment magnetic polarity change of soft magnet 1 and produce electric energy and exported by P1 and P2 voltage both positive and negative polarity contact point, and the voltage both positive and negative polarity unlike now P1 and P2 is contrary with the voltage both positive and negative polarity produced during external force F effect.
The key innovation of this embodiment adopts the electromagnetic induction electrification structure of flattening.This structure greatly reduces height and volume requirement, thus meets compact, the requirement of flattening self-powered of microsensor and/or control switch.Under external force F effect, the distance that E, G two ends of soft magnet 1 only need displacement very short, after external force disappears, the two ends of soft magnet 1 automatically return to initial position.In whole process, soft magnet 1 will realize twice moment magnetic polarity reversion, thus make conductive coil can export double electric energy.
This embodiment can also have and following further expands innovation:
A) soft magnet 1, conductive coil 2 are relative fixing with back-moving spring 4 position, and back-moving spring 4 is connected with permanent magnet 3, and the centre of permanent magnet 3 is fixed on fulcrum, and two ends then can move up and down.Initial position, B, D of remaining permanent magnet 3 hold with E, G of soft magnet 1 respectively and are connected, and when external force F acts on one end of permanent magnet 3, its other end then moves round about, after external force F disappears, permanent magnet two ends automatically reset under the elastic force effect of back-moving spring 4.Whole process can make soft magnet 1 produce twice magnetic polarity to reverse instantaneously equally, thus makes conductive coil to export double electric energy.
B) as shown in Figure 2, can load onto spring leaf 5 in one end of soft magnetic bodies, back-moving spring 4 is connected with spring leaf 5.When external force F presses spring leaf 5, soft magnet 1 can be driven to work by spring leaf 5 equally, produce magnetic polarity reversion, and by conductive coil 2, electromagnetic induction occur and export electric energy.Because spring leaf 5 has certain elasticity, feel when can improve external force F effect is well experienced, and reduces the wearing and tearing between the parts such as soft magnet 1 and permanent magnet 3.
C) as shown in Figure 3, back-moving spring 4a and 4b can also be respectively connected at the two ends of soft magnet 1, make the two ends initial position of soft magnet 1 parallel with permanent magnet 3, such external force F just from upper and lower two different directions effects, thus can add the use flexibility of this device.
The self-power wireless switch junctions composition that Fig. 4 provides for second embodiment of the invention, for convenience of explanation, illustrate only the part that embodiment is relevant therewith.This embodiment comprises: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4, power supply management control unit 7, electricity memory cell 8, micro controller unit 9, wireless signal Transmit-Receive Unit 11, switch key and circuit unit 12.
When external pressure F acts on the key area opening or closing signal representated by switch key and circuit unit 12, button moves downward X or Y position, there is relative disPlacement motion by driving the two ends of soft magnet 1 in button in the process, conductive coil 2 can sense that the magnetic polarity moment of soft magnet 1 is oppositely produced electric current and voltage and exported by P1 and P2 simultaneously, charge to after the transformation and rectification process of power supply management control unit 7 electricity memory cell 8, supply micro controller unit 9 and wireless signal Transmit-Receive Unit 11 simultaneously.In the process, microcontroller 9 can detect and open or close electronic signal representated by the button current location X of switch key and circuit unit 12 or Y, and this is opened or closed electronic signal and give wireless signal Transmit-Receive Unit 11 and send.
After external pressure F disappears, the two ends of soft magnet 1 return to initial position under the elastic force effect of back-moving spring 4, drive the key mechanical structure of note-book partial reset in switch key and circuit unit 12 simultaneously, now conductive coil 2 is by again sensing that the magnetic polarity of soft magnet 1 is oppositely produced electric current and voltage and exported by P1 and P2, charges to after the transformation and rectification process of power supply management control unit 7 electricity memory cell 8.
Under the usual state not having external pressure F effect, power to the circuit part of whole wireless switching by electricity memory cell 8, wherein most of device such as power supply management control unit 7, micro controller unit 9, wireless signal Transmit-Receive Unit 11 and circuit will enter sleep state, only have the partial circuit work that responsible wireless signal is intercepted, now whole circuit power consumption is extremely low.
When the central controller of far-end, actuator or remote control send wireless signal to this wireless switching, this wireless switchgear can be waken up immediately and perform corresponding status poll and the operation such as to arrange.
The key innovation of this embodiment is self-powered energy collection technology and bidirectional wireless communication function.As required, distal center controller, actuator or remote control corresponding to it send corresponding order can to this wireless switching carry out remote operation management, thus makes this wireless switching become a real long-range ALARA Principle node.
This embodiment can also have and following further expands innovation:
A) represent opening and closing signal respectively with X and Y position in existing switch key and circuit unit 12, also can adopt simplified design in actual use, the position of X and Y is united two into one, represent switching signal by the odd even number of times of button.Such as, if first time button expression is opened, then represent closedown when again pressing this key, button is got back to again and is opened for the third time.
The self-power wireless sensor construction figure that Fig. 5 provides for third embodiment of the invention, for convenience of explanation, illustrate only the part that embodiment is relevant therewith.This embodiment comprises: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4, power supply management control unit 7, electricity memory cell 8, micro controller unit 9, transducing signal collecting unit 10 and wireless signal Transmit-Receive Unit 11.
Under the effect of external force F, there is relative displacement in the two ends of soft magnet 1, after external force disappears, under the elastic force effect of back-moving spring, the initial position that soft magnet two ends are recovered, in this process, conductive coil exports sensing that twice magnetic polarity of soft magnetic bodies oppositely produces electric current and voltage and held by P1 and P2, after power supply management control unit 7 transformation and rectification, give the whole circuit supplies such as circuit memory cell 8, transducing signal collecting unit 10, micro controller unit 9 and wireless signal Transmit-Receive Unit 11.Do not having External Force Acting under normal circumstances, system is responsible for power supply by electricity memory cell 8.
Transducing signal collecting unit 10 can be the various transducers such as humiture, vibration, acousto-optic-electric, and micro controller unit 9 is responsible for various transducing signal that process transducing signal collecting unit 10 collects and gives wireless signal Transmit-Receive Unit 10 by this signal sending.
This wireless senser supports bidirectional communication function, when wireless signal Transmit-Receive Unit 11 receives the control signal from upper computer equipment such as distal center controller, actuator and remote controls, can give micro controller unit 9 in time and process.Micro controller unit 9 performs the various operations such as data acquisition, optimum configurations and status checkout by according to the particular content of this control signal, and execution result is returned to the upper computer equipment such as central controller and remote control.
This self-power wireless sensor instance can be widely used in the multiple place such as bridge Road Detection, door and window mobile alarm, without the need to wiring, protects without battery, zero dimension.
The present invention is not limited to execution mode discussed above.Above the description of embodiment is intended to describe and the technical scheme that the present invention relates to being described.Based on the present invention enlightenment apparent conversion or substitute also should be considered to fall into protection scope of the present invention.Above embodiment is used for disclosing best implementation method of the present invention, can apply numerous embodiments of the present invention and multiple alternative to reach object of the present invention to make those of ordinary skill in the art.
Claims (10)
1. a self-power wireless two-way communication sensor, is characterized in that, comprising:
Micro controller unit (9), the power supply management control unit (7) be connected with micro controller unit (9), the wireless signal Transmit-Receive Unit (11) be connected with micro controller unit (9), wireless signal Transmit-Receive Unit (11) wherein both can adopt two-way communication mode, also can adopt the communication pattern of unidirectional reception or transmission; Described device also comprises:
Soft magnet (1), conductive coil (2), permanent magnet (3), back-moving spring (4);
Wherein, conductive coil (2), permanent magnet (3) are relative fixing with the position of back-moving spring (4), conductive coil (2) is enclosed within soft magnet (1), soft magnet (1) is relative fixing with conductive coil (2) at the fulcrum that conductive coil (2) is inner, then can there be certain upper and lower displacement at the two ends of soft magnet (1) around fulcrum, and displacement is limited with the two ends inner space height of permanent magnet (3);
One end of soft magnet (1) is connected with back-moving spring (4), and soft magnet (1), conductive coil (2), permanent magnet (3) and back-moving spring (4) be composition self-powered energy collection unit (20) jointly.
2. self-power wireless two-way communication sensor as claimed in claim 1, it is characterized in that, this device also comprises: the electricity memory cell (8) be connected with power supply management control unit (7); Electricity memory cell (8) can be various energy-storage battery or accumulator, for store from energy collection unit (20) produce and the electric energy crossed through power supply management control unit (7) Transformer Rectifier.
3. self-power wireless two-way communication sensor as claimed in claim 2, it is characterized in that, this device also comprises: transducing signal collecting unit (10); Transducing signal collecting unit (10), for converting various physics, chemistry and bio signal to the signal of telecommunication, gives micro controller unit (9) process.
4. self-power wireless two-way communication sensor as claimed in claim 3, is characterized in that, mobile or vibrating sensor unit (10) is integrated in energy collection unit (20); The amount of displacement that soft magnet (1) one end produces by External Force Acting is directly related with conductive coil output current and magnitude of voltage, and micro controller unit (9) calculates this displacement according to this current/voltage value.
5. self-power wireless two-way communication sensor as claimed in claim 1, it is characterized in that, sensing after micro controller unit (9) process or switching signal not only can wirelessly send by wireless transmit/receive units (11), but also the signal that can accept from host computer, gateway, actuator or other sensing node, give micro controller unit (9) process after receiving this type of wireless signal or perform.
6. self-power wireless two-way communication sensor as claimed in claim 1, it is characterized in that, soft magnet (1), conductive coil (2) are relative fixing with back-moving spring (4) position, back-moving spring (4) is connected with permanent magnet (3), the centre of permanent magnet (3) is fixed on fulcrum, and two ends then can move up and down.
7. self-power wireless two-way communication sensor as claimed in claim 1, it is characterized in that there is spring leaf (5) in one end of soft magnetic bodies, back-moving spring (4) is connected with spring leaf (5); When external force F presses spring leaf (5), soft magnet (1) can be driven to work by spring leaf (5) equally, produce magnetic polarity reversion, and by conductive coil (2), electromagnetic induction occur and export electric energy.
8. self-power wireless two-way communication sensor as claimed in claim 1, it is characterized in that, respectively be connected with back-moving spring (4a and 4b) at the two ends of soft magnet (1), make the two ends initial position of soft magnet (1) parallel with permanent magnet (3).
9. a wireless switchgear, is characterized in that, this device comprises: soft magnet (1), conductive coil (2), permanent magnet (3), back-moving spring (4), switch key and circuit unit (12);
Wherein, conductive coil (2), permanent magnet (3) are relative fixing with the position of back-moving spring (4);
Conductive coil (2) is enclosed within soft magnet (1), soft magnet (1) is relative fixing with conductive coil (2) at the fulcrum that conductive coil (2) is inner, then there is certain upper and lower displacement at the two ends of soft magnet (1) around fulcrum, and displacement is limited with the two ends inner space height of permanent magnet (3);
One end of soft magnet (1) is connected with back-moving spring (4);
When external pressure F acts on the key area opening or closing signal representated by switch key and circuit unit (12), button moves downward X or Y position, button will drive the two ends of soft magnet (1) that relative disPlacement motion occurs in the process, conductive coil (2) can sense that the magnetic polarity moment of soft magnet (1) is oppositely produced electric current and voltage and exported by voltage both positive and negative polarity contact point simultaneously, electricity memory cell (8) charging is given after the transformation and rectification process of power supply management control unit (7), supply micro controller unit (9) and wireless signal Transmit-Receive Unit (11) simultaneously, in the process, microcontroller (9) can detect and open or close electronic signal representated by the button current location X of switch key and circuit unit (12) or Y, and this is opened or closed electronic signal and give wireless signal Transmit-Receive Unit (11) and send.
10. a kind of wireless switchgear as described in right 9, is characterized in that, is united two into one the position of X and Y, represents switching signal by the odd even number of times of button.
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| CN201110049714.8A CN102655455B (en) | 2011-03-02 | 2011-03-02 | Self-powered wireless two-way communication sensor and control switch |
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| CN201110049714.8A CN102655455B (en) | 2011-03-02 | 2011-03-02 | Self-powered wireless two-way communication sensor and control switch |
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| CN102655455A CN102655455A (en) | 2012-09-05 |
| CN102655455B true CN102655455B (en) | 2015-04-01 |
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| JP5979028B2 (en) * | 2013-01-31 | 2016-08-24 | オムロン株式会社 | Power generator, transmitter, switching device |
| CN104407522B (en) * | 2013-08-26 | 2017-06-30 | 刘远芳 | Self-generating wireless is switched |
| CN107357518B (en) * | 2014-12-31 | 2024-02-13 | 刘远芳 | Touch generation instruction and self-powered controller |
| CN104836412B (en) * | 2015-05-18 | 2017-06-16 | 浙江信基电气股份有限公司 | Communication and the controller of electricity are diverted from using polarity of the magnetic field |
| CN110703657B (en) * | 2015-05-29 | 2023-07-25 | 广东易百珑智能科技有限公司 | Self-generating wireless switch and application thereof |
| CN105374143B (en) * | 2015-10-27 | 2018-08-31 | 北京微能高芯科技有限公司 | A kind of self-powered intelligent door and window sensor and signaling method |
| CN105469568A (en) * | 2015-11-30 | 2016-04-06 | 南京邮电大学 | Self-powered wireless switch |
| CN106208307A (en) * | 2016-08-01 | 2016-12-07 | 美的智慧家居科技有限公司 | Radio communication device and energy management method thereof |
| CN106936286A (en) * | 2017-03-24 | 2017-07-07 | 汉得利（常州）电子股份有限公司 | A kind of longitudinal micro linear motor |
| CN108181017A (en) * | 2018-01-08 | 2018-06-19 | 北京理工大学 | The embedded electric thermo-couple temperature test system and method for self-powered based on Mechatronic Systems |
| CN110350943B (en) * | 2018-09-28 | 2023-09-15 | 深圳市速腾聚创科技有限公司 | Wireless communication device with energy transmission and wireless communication method with energy transmission |
| CN110350944B (en) * | 2018-09-28 | 2023-09-15 | 深圳市速腾聚创科技有限公司 | Wireless communication device and wireless communication method |
| CN109507470B (en) * | 2018-11-06 | 2021-11-05 | 武汉领普科技有限公司 | Self-powered method and device based on polarity detection |
| CN111733534B (en) * | 2020-07-01 | 2022-04-29 | 琦星智能科技股份有限公司 | Self-generating pedal speed control plate device with wireless communication function for sewing machine |
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