CN102655455A - 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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- CN102655455A CN102655455A CN2011100497148A CN201110049714A CN102655455A CN 102655455 A CN102655455 A CN 102655455A CN 2011100497148 A CN2011100497148 A CN 2011100497148A CN 201110049714 A CN201110049714 A CN 201110049714A CN 102655455 A CN102655455 A CN 102655455A
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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 applied technical fields such as wireless sense network and 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 transducers and control switch are used and are become more and more general.Traditional transducer and switch product all need be used signal wire transmits signal and/or power line power supply ability operate as normal.In many practical applications, receive environmental limitations, basically perhaps cost is very expensive in wiring, and at this moment wireless sensing and control technology just become desirable the selection.Therefore yet wireless technology has just solved the problem of undesired signal line, but needs energy equally, and in place that can't the cloth power line, usually adopting battery is that wireless senser is supplied power with switch.Battery is limited useful life, needs often to change, and this had both increased the operation and maintenance cost, also usually owing to change the untimely system's cisco unity malfunction that causes.
Because the own vol and the power consumption of transducer used in everyday and control switch are all smaller, the luminous energy energy in mechanical energy such as pressure or surrounding enviroment of can considering usually to collect converts thereof into electric energy and supplies power to transducer and control switch.
Luminous energy collection aspect, because the indoor intensity of illumination at transducer and control switch place maybe be not enough, the area of light energy battery plate also receives the volume size restriction of whole sensor and switch, and is unsatisfactory in the result of use in part place.
The mechanical energy collection aspect, also once the someone attempts utilizing piezoelectric ceramic to receive the external force effect and produces distortion, thus the principle that produces electric current and voltage is developed the wireless and passive switch.But because the piezoelectric ceramic technology cost is more expensive, and the electric current and the voltage that promptly use the multilayer piezoelectric ceramic stack to be produced also is not enough to the driving switch circuit usually, so piezoelectric ceramic technology also has more restriction.
Mechanical energy generation technology based on the conductive coil electromagnetic induction principle can produce enough big curtage; If but adopt traditional coil and rotor structure; Its generator volume is then relatively large, generally is not suitable for the application of microminiaturized transducer or flat control switch.
Summary of the invention
The technical problem that the present invention will solve provides a kind of self-power wireless both-way communication transducer, it is simple in structure, without battery, need not wiring, realize both-way communication, non-maintaining, microminiaturized.
For solving above technical problem; The invention provides a kind of self-power wireless both-way communication transducer, said device comprises at least: micro controller unit 9, the power supply management control unit 7 that links to each other with micro controller unit 9; The wireless signal Transmit-Receive Unit 11 that links to each other with micro controller unit 9; Wireless signal Transmit-Receive Unit 11 wherein both can be realized two-way communication, also can be in order further to reduce the needs of power consumption and cost, and only be operated in the communication pattern of unidirectional reception or transmission.Said device also comprises at least: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4.Wherein, the position relative fixed of conductive coil 2, permanent magnet 3 and back-moving spring 4.Conductive coil 2 is enclosed within on the soft magnet 1, and soft magnet 1 is in the fulcrum and conductive coil 2 relative fixed 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 exceeds with the two ends inner space height of permanent magnet 3.One end of soft magnet 1 links to each other with back-moving spring 4.Soft magnet 1, conductive coil 2, permanent magnet 3 and the back-moving spring 4 common self-powered energy collection unit 20 of forming.
Beneficial effect of the present invention is: mechanical energy collection of energy technology and wireless two-way communication technology are combined; Can realize the wireless receiving and dispatching of self-powered and various sensing or switching signal, with solution need not to connect up, without battery, both-way communication, non-maintaining, microminiaturized practical application request.
Further, this device can also comprise: the electric weight memory cell 8 that links to each other with power supply management control unit 7.Electric weight memory cell 8 can be various energy-storage batteries or accumulators such as electric capacity, inductance, is used to store the electric energy of the also process power supply management control unit 7 transformation rectifications that produce from energy collection unit 20.
Further, this device can also comprise: transducing signal collecting unit 10.Various signal transducers such as transducing signal collecting unit 10 can be temperature, gas, liquid, wind speed, move, vibration harmony photoelectricity are used for conversion of signals such as natural various physics, chemistry and biology are become the signal of telecommunication, give micro controller unit 9 and handle.
Further, mobile or vibrating sensor unit 10 can be integrated in the energy collection unit 20.The amount of displacement that soft magnet 1 one ends are produced by the external force effect 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 can the sensing or the switching signal of passing through after micro controller unit 9 is handled be sent through wireless mode; But also can accept signal from host computer, gateway, actuator or other sensing node, receive that giving micro controller unit 9 behind this type of wireless signal handles or carry out.
Description of drawings
Fig. 1 is the said self-powered energy collection unit of an embodiment of the invention structure chart;
Fig. 2 is the self-powered energy collection unit structure chart of the said band spring leaf of the embodiment of the invention;
Fig. 3 is the self-powered energy collection unit structure chart of the said band dual reset of embodiment of the invention spring;
Fig. 4 is the said self-power wireless switch junctions of an embodiment of the invention composition;
Fig. 5 is the said self-power wireless sensor construction of embodiment of the invention figure.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, the present invention is further specified below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only is used to explain the present invention, rather than be used to limit the present invention.
The present invention combines mechanical energy collection of energy technology and wireless two-way communication technology; Can realize the wireless receiving and dispatching of self-powered and various sensing or switching signal, with solution need not to connect up, without battery, both-way communication, non-maintaining, microminiaturized practical application request.
Fig. 1 is self-powered energy collection unit 20 structure charts that first embodiment of the invention provided, and for the ease of explanation, only shows the relevant part of function therewith among the figure.This part comprises: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4.Wherein, the position relative fixed of conductive coil 2, permanent magnet 3 and back-moving spring 4.Conductive coil 2 is enclosed within on the soft magnet 1, and soft magnet 1 is in the fulcrum and conductive coil 2 relative fixed 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 exceeds with the two ends inner space height of permanent magnet 3.One end of soft magnet 1 links to each other with back-moving spring 4.
When initially not having the state of external force effect, under the attraction force acts of permanent magnet 3, the E of soft magnet 1, G end is close together with B, the D contact point of permanent magnet 3 respectively, and this moment, the E end of soft magnet 1 was the N magnetic pole, and the G end is the S magnetic pole.When under the momentary action of external force F, if strength greater than the resistance of magnet suction and spring, the E of soft magnet 1, G end then moves to A, the C contact point of permanent magnet 3, the magnetic polarity of soft magnet 1 was inverted to the E end and was the S utmost point this moment, the G end is the N utmost point.In this process, the moment magnetic polarity that conductive coil will be sensed soft magnet 1 changes and produces electric energy and outwards export through 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, the G end of soft magnet 1 break away from the attraction of permanent magnet 3, moves to initial position respectively and is close together with B, the D contact point of permanent magnet 3, and this moment, the magnetic polarity of soft magnet 1 was reversed once more; The E end becomes the N magnetic pole, and the G end then is the S magnetic pole.Return in the process of initial position at this; The moment magnetic polarity that conductive coil will be sensed soft magnet 1 once more changes and produces electric energy and by P1 and the output of P2 voltage both positive and negative polarity contact point, and different is this moment, voltage both positive and negative polarity and the voltage both positive and negative polarity that external force F does the time spent generation of P1 and P2 were opposite.
The key innovation of this embodiment is to adopt the electromagnetic induction electrification structure of flattening.This structure significantly reduces height and volume requirement, thereby has satisfied compact, the requirement of flattening self-powered of microsensor and/or control switch.Under external force F effect, the E of soft magnet 1, G two ends only need the very short distance of displacement, and the two ends of soft magnet 1 automatically returned to initial position after external force disappeared.In whole process, soft magnet 1 will be realized twice moment magnetic polarity counter-rotating, thereby make conductive coil can export double electric energy.
This embodiment can also have the following innovation that further expands:
A) soft magnet 1, conductive coil 2 and back-moving spring 4 position relative fixed, back-moving spring 4 links to each other with permanent magnet 3, and the center fixed of permanent magnet 3 is on fulcrum, and two ends then can move up and down.Initial position; The B, the D that remain permanent magnet 3 link to each other with E, the G end of soft magnet 1 respectively, and when external force F acted on an end of permanent magnet 3, its other end then moved round about; After external force F disappeared, the permanent magnet two ends automatically reset under the elastic force effect of back-moving spring 4.Whole process can make soft magnet 1 produce the moment counter-rotating of twice magnetic polarity equally, thereby makes conductive coil can export double electric energy.
B) as shown in Figure 2, can load onto spring leaf 5 at an end of soft magnetic bodies, back-moving spring 4 links to each other with spring leaf 5.When external force F presses spring leaf 5, can drive soft magnet 1 work by spring leaf 5 equally, produce the magnetic polarity counter-rotating, and electromagnetic induction takes place and export electric energy by conductive coil 2.Because spring leaf 5 has certain elasticity, can improve the feel experience that external force F does the time spent well, and reduce the wearing and tearing between the parts such as soft magnet 1 and permanent magnet 3.
C) as shown in Figure 3; Can also respectively connect a 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, external force F just can be from two different directive effects up and down like this, thereby have increased the use flexibility of this device.
Fig. 4 is self-power wireless switch junctions composition that second embodiment of the invention provided, for the ease of explanation, only shows the part that embodiment therewith is correlated with.This embodiment comprises: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4, power supply management control unit 7, electric weight memory cell 8, micro controller unit 9, wireless signal Transmit-Receive Unit 11, switch key and circuit unit 12.
When representative that external pressure F acts on switch 12 opens or closes on the key area of signal; Button moves downward X or Y position; Button will drive the two ends generation relative displacement campaign of soft magnet 1 in this process; Conductive coil 2 simultaneously can be reverse and produce electric current and voltage and export through P1 and P2 in magnetic polarity moment of sensing soft magnet 1; Transformation and rectification through power supply management control unit 7 are handled the back to 8 chargings of electric weight memory cell, supply with micro controller unit 9 and wireless signal Transmit-Receive Unit 11 simultaneously.In this process, microcontroller 9 can detect switch 12 button current location X or Y representative open or close electronic signal, and this is opened or closed electronic signal 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; The keyboard mechanical structure division that drives simultaneously in the switch 12 resets; It is reverse and produce electric current and voltage and through P1 and P2 output, handle the back through the transformation and the rectification of power supply management control unit 7 and charge to electric weight memory cell 8 that conductive coil 2 will be sensed the magnetic polarity of soft magnet 1 once more this moment.
Under the common state that does not have external pressure F effect; Give the circuit part power supply of whole wireless switching by electric weight 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 get into sleep state; The partial circuit work that only has responsible wireless signal to intercept, this moment, the entire circuit power consumption was extremely low.
When central controller, actuator or the remote control of far-end sent wireless signal for this wireless switching, this wireless switchgear can be waken and carried out up corresponding status poll immediately and operation is set etc.
The key innovation of this embodiment is self-powered collection of energy technology and double-direction radio communication function.As required, its pairing distal center controller, actuator or remote control send for this wireless switching and order accordingly and carry out the remote operation management, thereby but make this wireless switching become a real long-range management node.
This embodiment can also have the following innovation that further expands:
A) represent the opening and closing signal respectively with X and Y position in existing switch key and the 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 through the odd even number of times of button.For example, if button expression is for the first time opened, then represent to close during once more by this key, button is got back to again and is opened for the third time.
Fig. 5 is self-power wireless sensor construction figure that third embodiment of the invention provided, for the ease of explanation, only shows the part that embodiment therewith is correlated with.This embodiment comprises: soft magnet 1, conductive coil 2, permanent magnet 3, back-moving spring 4, power supply management control unit 7, electric weight 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; Relative displacement takes place 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 recover at the soft magnet two ends; It is reverse and produce electric current and voltage and by P1 and the output of P2 end, after power supply management control unit 7 transformations and rectification, supply power to entire circuit such as circuit memory cell 8, transducing signal collecting unit 10, micro controller unit 9 and wireless signal Transmit-Receive Units 11 that conductive coil will be sensed twice magnetic polarity of soft magnetic bodies in this process.Do not having the external force effect generally, system is responsible for power supply by electric weight memory cell 8.
Transducing signal collecting unit 10 can be various transducers such as humiture, vibration, acousto-optic electricity, and the various transducing signals that micro controller unit 9 responsible processing transducing signal collecting units 10 are collected are also given wireless signal Transmit-Receive Unit 10 with this signal and sent.
This wireless senser is supported bidirectional communication function, when wireless signal Transmit-Receive Unit 11 is received the control signal from host computer equipment such as distal center controller, actuator and remote controls, can in time give micro controller unit 9 and handle.Micro controller unit 9 will be carried out various operations such as data acquisition, parameter setting and status checkout according to the particular content of this control signal, and execution result is returned to host computer equipment such as central controller and remote control.
This self-power wireless transducer instance can be widely used in multiple places such as bridge Road Detection, door and window mobile alarm, need not wiring, protects without battery, zero dimension.
The present invention is not limited to the execution mode that preceding text are discussed.More than the description of embodiment is intended in order to describe and explain the technical scheme that the present invention relates to.Based on the conspicuous conversion of the present invention enlightenment or substitute and 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, so that those of ordinary skill in the art can use numerous embodiments of the present invention and multiple alternative reaches the object of the invention.
Claims (10)
1. a self-power wireless both-way communication transducer is characterized in that, comprising:
Micro controller unit (9); The power supply management control unit (7) that links to each other with micro controller unit (9); The wireless signal Transmit-Receive Unit (11) that links to each other with micro controller unit (9); Wireless signal Transmit-Receive Unit (11) wherein both can adopt two-way communication mode, the communication pattern that also can adopt unidirectional reception or send; Said device also comprises:
Soft magnet (1), conductive coil (2), permanent magnet (3), back-moving spring (4);
Wherein, The position relative fixed of conductive coil (2), permanent magnet (3) and back-moving spring (4); Conductive coil (2) is enclosed within on the soft magnet (1); Soft magnet (1) is in conductive coil (2) inner fulcrum and conductive coil (2) relative fixed, and then can there be certain upper and lower displacement at the two ends of soft magnet (1) around fulcrum, and displacement exceeds with the two ends inner space height of permanent magnet (3);
One end of soft magnet (1) links to each other with back-moving spring (4), and soft magnet (1), conductive coil (2), permanent magnet (3) and back-moving spring (4) are formed self-powered energy collection unit (20) jointly.
2. self-power wireless both-way communication transducer as claimed in claim 1 is characterized in that this device also comprises: the electric weight memory cell (8) that links to each other with power supply management control unit (7); Electric weight memory cell (8) can be various energy-storage batteries or accumulator, is used for electric energy that storage produces from energy collection unit (20) and the transformation rectification of process power supply management control unit (7).
3. self-power wireless both-way communication transducer as claimed in claim 2 is characterized in that this device also comprises: transducing signal collecting unit (10); Transducing signal collecting unit (10) can be temperature, gas, liquid, wind speed, moves, vibrate the various signal transducers of harmony photoelectricity, is used for converting various physics, chemistry and bio signal to the signal of telecommunication, gives micro controller unit (9) and handles.
4. self-power wireless both-way communication transducer as claimed in claim 3 is characterized in that, mobile or vibrating sensor unit (10) are integrated in the energy collection unit (20); The amount of displacement that soft magnet (1) one end is produced by the external force effect 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 both-way communication transducer as claimed in claim 1; It is characterized in that; Wireless transmit/receive units (11) not only can send the sensing or the switching signal of passing through after micro controller unit (9) is handled through wireless mode; But also can accept signal from host computer, gateway, actuator or other sensing node, receive that giving micro controller unit (9) behind this type of wireless signal handles or carry out.
6. self-power wireless both-way communication transducer as claimed in claim 1; It is characterized in that, soft magnet (1), conductive coil (2) and back-moving spring (4) position relative fixed, back-moving spring (4) links to each other with permanent magnet (3); The center fixed of permanent magnet (3) is on fulcrum, and two ends then can move up and down.
7. self-power wireless both-way communication transducer as claimed in claim 1 is characterized in that, at an end of soft magnetic bodies spring leaf (5) is arranged, and back-moving spring (4) links to each other with spring leaf (5); When external force F presses spring leaf (5), can drive soft magnet (1) work by spring leaf (5) equally, produce the magnetic polarity counter-rotating, and electromagnetic induction takes place and export electric energy by conductive coil (2).
8. self-power wireless both-way communication transducer as claimed in claim 1 is characterized in that, respectively is connected with back-moving spring (4a and 4b) at the two ends of soft magnet (1), makes 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: switch key and circuit unit (12); When representative that external pressure F acts on switch (12) opens or closes on the key area of signal; Button moves downward X or Y position; Button will drive the two ends generation relative displacement campaign of soft magnet (1) in this process; Conductive coil (2) simultaneously can be reverse and produce electric current and voltage and export through P1 and P2 in magnetic polarity moment of sensing soft magnet (1); Transformation and rectification through power supply management control unit (7) are handled the back to electric weight memory cell (8) charging, supply with micro controller unit (9) and wireless signal Transmit-Receive Unit (11) simultaneously; In this process, microcontroller (9) can detect switch (12) button current location X or Y representative open or close electronic signal, and this is opened or closed electronic signal give wireless signal Transmit-Receive Unit (11) and send.
10. like right 9 described a kind of wireless switchgears, it is characterized in that, the position of X and Y is united two into one, represent switching signal through 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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| CN103973071A (en) * | 2013-01-31 | 2014-08-06 | 欧姆龙株式会社 | Power generation device, transmission device and switching device |
| CN104407522A (en) * | 2013-08-26 | 2015-03-11 | 刘远芳 | Self-power-generation wireless switch |
| CN104656479A (en) * | 2014-12-31 | 2015-05-27 | 刘远芳 | Touching type command generation and self power supply controller |
| CN104836412A (en) * | 2015-05-18 | 2015-08-12 | 浙江信基电气股份有限公司 | Communication and control device with magnetic field polarity transfer self power generation |
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| CN103973071A (en) * | 2013-01-31 | 2014-08-06 | 欧姆龙株式会社 | Power generation device, transmission device and switching device |
| CN103973071B (en) * | 2013-01-31 | 2016-10-05 | 欧姆龙株式会社 | TRT, dispensing device, switching device |
| CN107065624A (en) * | 2013-08-26 | 2017-08-18 | 刘远芳 | Self-generating wireless is switched |
| CN104407522A (en) * | 2013-08-26 | 2015-03-11 | 刘远芳 | Self-power-generation wireless switch |
| CN107065624B (en) * | 2013-08-26 | 2019-08-16 | 刘远芳 | Self-generating wireless switch |
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| CN104656479A (en) * | 2014-12-31 | 2015-05-27 | 刘远芳 | Touching type command generation and self power supply controller |
| CN104836412A (en) * | 2015-05-18 | 2015-08-12 | 浙江信基电气股份有限公司 | Communication and control device with magnetic field polarity transfer self power generation |
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| CN105374143A (en) * | 2015-10-27 | 2016-03-02 | 北京微能高芯科技有限公司 | Self-power intelligent door and window sensor and signal transmission method thereof |
| 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 |
| 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 |
| CN110350944A (en) * | 2018-09-28 | 2019-10-18 | 深圳市速腾聚创科技有限公司 | Wireless communication apparatus and wireless communication method |
| CN110350943A (en) * | 2018-09-28 | 2019-10-18 | 深圳市速腾聚创科技有限公司 | Wireless communication apparatus with energy transmission and the wireless communication method with energy transmission |
| 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 |
| CN109507470A (en) * | 2018-11-06 | 2019-03-22 | 武汉领普科技有限公司 | A kind of self-powered method and apparatus based on Check up polarity |
| 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 |
| CN111733534A (en) * | 2020-07-01 | 2020-10-02 | 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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