CN205451449U - Utilize self -power wireless switch of piezoceramics vibration electricity generation - Google Patents
Utilize self -power wireless switch of piezoceramics vibration electricity generation Download PDFInfo
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- CN205451449U CN205451449U CN201620144547.3U CN201620144547U CN205451449U CN 205451449 U CN205451449 U CN 205451449U CN 201620144547 U CN201620144547 U CN 201620144547U CN 205451449 U CN205451449 U CN 205451449U
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Abstract
The utility model relates to an utilize self -power wireless switch of piezoceramics vibration electricity generation, including the electrical cell that connects gradually, power management unit, little the control unit and wireless transmission unit, power management unit still with the wireless transmission unit connection, electrical cell is fixed with vertical curb plate and elastic mechanism including button and bottom plate on, the curb plate all is fixed with a piezoceramics piece around elastic mechanism evenly distributed on every curb plate, the button bottom is fixed with the spur rack, the spur rack is fixed at the elastic mechanism top, the edge card of piezoceramics piece is in the tooth's socket of spur rack. Mechanical energy conversion when the button can will be pressed to this switch becomes the electric energy to give little the control unit and the power supply of wireless transmission unit, little the control unit passes through wireless transmission unit fire switch signal, does not need the battery, does not need the overall arrangement cable conductor, environmental protection and energy saving.
Description
Technical field
This utility model relates to a kind of wireless switching, is specifically related to a kind of self-power wireless utilizing piezoelectric ceramic vibration to generate electricity switch.
Background technology
Technology of Internet of things is at the development in Smart Home field, and wireless sensor network node has obtained increasingly being widely applied.Wireless senser is the ingredient that wireless sensor network node is most basic, and traditional sensor needs civil power or battery to power.The battery that overwhelming majority wireless switching all carries at present, but the energy content of battery is limited, it is impossible to meet long-term work needs.In actual applications, wireless senser has the features such as quantity is many, distributed areas are wide, deployed environment is complicated.Some region that can not directly arrive for personnel, it is very difficult to obtain energy by the way of changing battery.
Piezoelectric ceramics is as the machinery-electric energy inverting element of piezo-electric generating, it is the core parts of piezo-electric generating, piezoelectric ceramics after polarization is externally in piezoelectricity, piezo-electric generating utilizes the direct piezoelectric effect of electroceramics to produce voltage and electric charge, owing to piezoelectric generating device is relative to other TRTs, there is simple in construction, do not generate heat, without advantages such as electromagnetic interference so that it is become the focus of micro-energy research.Owing to micropower sensor and the power consumption controlling switch are the least, thus collecting mechanical energy can be carried out in the way of considering by pressure vibration, and be electric energy by changes mechanical energy, for micropower sensor and control switch.
Utility model content
The purpose of this utility model is to provide a kind of self-power wireless utilizing piezoelectric ceramic vibration to generate electricity switch, mechanical energy during pressing button can be converted into electric energy by this switch, thus power to micro-control unit and wireless transmission unit, micro-control unit sends switching signal by wireless transmission unit, need not battery, need not layout cable, environmental protection and energy saving.
This utility model be the technical scheme is that
A kind of self-power wireless switch utilizing piezoelectric ceramic vibration to generate electricity, including the generator unit being sequentially connected with, Power Management Unit, micro-control unit and wireless transmission unit, Power Management Unit is also connected with wireless transmission unit, it is characterized in that: generator unit includes button and base plate, vertical side plate and elastic mechanism it is fixed with on base plate, side plate is uniformly distributed around elastic mechanism, a piezoelectric ceramic piece it is fixed with on each side plate, spur rack it is fixed with bottom button, spur rack is fixed on elastic mechanism top, the edge card of piezoelectric ceramic piece is in the teeth groove of spur rack.
Further, each side plate being fixed with two clamping plate, the edge of piezoelectric ceramic piece is clamped by two clamping plate.
Further, Power Management Unit includes rectification circuit, accumulator and the mu balanced circuit being sequentially connected with.
Further, piezoelectric ceramic piece is twin crystal circular piezoelectric potsherd or twin crystal rectangular piezoelectric ceramic sheet.
Further, elastic mechanism is spring, shell fragment or clockwork spring.
The beneficial effects of the utility model are:
When pressing the button, spur rack is driven to impact downwards piezoelectric ceramic piece, make piezoelectric ceramic piece deform upon thus produce electric energy, elastic mechanism is compressed simultaneously, after release button, elastic mechanism drives spur rack upwards to impact piezoelectric ceramic piece during returning to original state, electric energy can be produced again, electric energy through Power Management Unit process after for micro-control unit and wireless transmission unit, wireless transmission unit is launched wireless control signal control reception terminal (e.g., Smart Home) and is turned on and off；Mechanical energy during pressing button is converted into electric energy by this wireless switching, it is not necessary to battery, it is not necessary to layout cable, environmental protection and energy saving；Piezoelectric ceramic piece is evenly arranged (can be symmetrical, symmetrical front and back or be arranged in other shapes such as " ten " font triangle), when making to press the button, elastic mechanism stress more balances, and multiple spur racks impact the piezoelectric ceramic piece of correspondence simultaneously, generating efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model embodiment.
Fig. 2 is the structural representation of generator unit in this utility model embodiment.
Fig. 3 is the structured flowchart of Power Management Unit in this utility model embodiment.
Fig. 4 is the schematic diagram of Power Management Unit in this utility model embodiment.
In figure: 1-button；2-spur rack；3-side plate；4-clamping plate；5-piezoelectric ceramic piece；6-elastic mechanism；7-base plate；8-rectification circuit；9-storage circuit；10-mu balanced circuit；11-generator unit；12-Power Management Unit；13-micro-control unit；14-wireless transmission unit.
Detailed description of the invention
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of self-power wireless switch utilizing piezoelectric ceramic vibration to generate electricity, including the generator unit 11 being sequentially connected with, Power Management Unit 12, micro-control unit 13 and wireless transmission unit 14, Power Management Unit 12 is also connected with wireless transmission unit 14, as shown in Figure 2, generator unit 11 includes button 1 and base plate 7, vertical side plate 3 and elastic mechanism 6 it is fixed with on base plate 7, side plate 3 is uniformly distributed around elastic mechanism 6, a piezoelectric ceramic piece 5 it is fixed with on each side plate 3, spur rack 2 it is fixed with bottom button 1, spur rack 2 is fixed on elastic mechanism 6 top, the edge card of piezoelectric ceramic piece 5 is in the teeth groove of spur rack 2.
When pressing the button 1, spur rack 2 is driven to impact downwards piezoelectric ceramic piece 5, make piezoelectric ceramic piece 5 deform upon thus produce electric energy, elastic mechanism 6 is compressed simultaneously, after release button, elastic mechanism 6 drives spur rack 2 upwards to impact piezoelectric ceramic piece 5 during returning to original state, electric energy can be produced again, electric energy through Power Management Unit 12 process after for micro-control unit 13 and wireless transmission unit 14, wireless transmission unit 14 is launched wireless control signal control reception terminal (e.g., Smart Home) and is turned on and off；Mechanical energy during pressing button 1 is converted into electric energy by this wireless switching, it is not necessary to battery, it is not necessary to layout cable, environmental protection and energy saving；Piezoelectric ceramic piece 5 is evenly arranged (can be symmetrical, symmetrical front and back or be arranged in other shapes such as " ten " font triangle), when making to press the button 1, elastic mechanism 6 stress more balances, and multiple spur racks 2 impact the piezoelectric ceramic piece 5 of correspondence simultaneously, generating efficiency is high.
As in figure 2 it is shown, in the present embodiment, each side plate 3 being fixed with two clamping plate 4, the edge of piezoelectric ceramic piece 5 is clamped by two clamping plate 4.
As in figure 2 it is shown, in the present embodiment, piezoelectric ceramic piece 5 is twin crystal circular piezoelectric potsherd (can also is that twin crystal rectangular piezoelectric ceramic sheet).
As in figure 2 it is shown, in the present embodiment, elastic mechanism 6 is spring (can also is that shell fragment or clockwork spring).
As it is shown on figure 3, in the present embodiment, Power Management Unit 12 includes that the rectification circuit 8(being sequentially connected with is mainly four Schottky diodes), accumulator 9(be mainly several electrochemical capacitors) and mu balanced circuit 10(be mainly DC-DC converter).The induced voltage that piezoelectric ceramic piece 5 produces is alternating current, becomes unidirectional current and charges accumulator 9, finally by mu balanced circuit 10 voltage stabilizing after rectification circuit 8 rectification；Mu balanced circuit 10 during accumulator 9 discharges, can produce the constant voltage of short time and drive micro-control unit 13 and wireless transmission unit 14.
As shown in Figure 4, for reducing the loss of Power Management Unit 12 as far as possible, Power Management Unit 12 can use LTC3588-1 as power management chip, LTC3588-1 has been internally integrated rectification circuit and mu balanced circuit, it is very suitable for the collection of micro-energy, and by arranging respective pin, the output voltage of LTC3588-1 can be set to 1.8V.
In the present embodiment, micro-control unit 13 is mainly made up of the microcontroller chip (MSP430) of super low-power consumption, wireless transmission unit 14 is mainly made up of wireless transmission chip (CC1101), their running voltage is relatively low, minimum running voltage is only 1.8V, both are by SPI communication, open and close signal produced by button press 1 can pass to microcontroller chip (MSP430), and then sent out by signal by wireless transmission chip (CC1101) and transmitting antenna.Microcontroller chip (MSP430) operating current in the operating mode can be less than 230 μ A, radio transmitted power can be set to-10dBM, the wireless transmission chip (CC1101) operating current when emission state is so made to be reduced to 14mA, decrease the consumption of energy, ensure that the transmitting signal that energy is stable every time, increase the reliability of wireless transmitting unit 14.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted, and all these modifications and variations all should be belonged to the protection domain of this utility model claims.
Claims (5)
1. the self-power wireless switch that a kind utilizes piezoelectric ceramic vibration to generate electricity, including the generator unit being sequentially connected with, Power Management Unit, micro-control unit and wireless transmission unit, Power Management Unit is also connected with wireless transmission unit, it is characterized in that: generator unit includes button and base plate, vertical side plate and elastic mechanism it is fixed with on base plate, side plate is uniformly distributed around elastic mechanism, a piezoelectric ceramic piece it is fixed with on each side plate, spur rack it is fixed with bottom button, spur rack is fixed on elastic mechanism top, the edge card of piezoelectric ceramic piece is in the teeth groove of spur rack.
Utilize the self-power wireless switch that piezoelectric ceramic vibration generates electricity the most as claimed in claim 1, it is characterised in that: being fixed with two clamping plate on each side plate, the edge of piezoelectric ceramic piece is clamped by two clamping plate.
Utilize the self-power wireless switch that piezoelectric ceramic vibration generates electricity the most as claimed in claim 1, it is characterised in that: Power Management Unit includes rectification circuit, accumulator and the mu balanced circuit being sequentially connected with.
Utilize the self-power wireless switch that piezoelectric ceramic vibration generates electricity the most as claimed in claim 1, it is characterised in that: piezoelectric ceramic piece is twin crystal circular piezoelectric potsherd or twin crystal rectangular piezoelectric ceramic sheet.
Utilize the self-power wireless switch that piezoelectric ceramic vibration generates electricity the most as claimed in claim 1, it is characterised in that: elastic mechanism is spring, shell fragment or clockwork spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144547.3U CN205451449U (en) | 2016-02-26 | 2016-02-26 | Utilize self -power wireless switch of piezoceramics vibration electricity generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620144547.3U CN205451449U (en) | 2016-02-26 | 2016-02-26 | Utilize self -power wireless switch of piezoceramics vibration electricity generation |
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| Publication Number | Publication Date |
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| CN205451449U true CN205451449U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620144547.3U Expired - Fee Related CN205451449U (en) | 2016-02-26 | 2016-02-26 | Utilize self -power wireless switch of piezoceramics vibration electricity generation |
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| CN (1) | CN205451449U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680301A (en) * | 2017-11-21 | 2018-02-09 | 广东永衡良品科技有限公司 | The self-powered structure and method of a kind of wireless doorbell wireless launcher |
| CN108122388A (en) * | 2016-11-26 | 2018-06-05 | 钟志刚 | Piezoelectric type passive signal generating means |
| CN110165934A (en) * | 2019-05-13 | 2019-08-23 | 苏州市职业大学 | A kind of multi-layer piezoelectric power generator and its application method collected passerby and trample energy |
| CN111693285A (en) * | 2020-08-03 | 2020-09-22 | 南通理工学院 | Portable vibration monitoring device and monitoring method for bearing |
| CN111901941A (en) * | 2020-06-30 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Signal generation method of passive self-generating lighting control switch |
| CN111918465A (en) * | 2020-06-30 | 2020-11-10 | 中铁第一勘察设计院集团有限公司 | Passive self-generating lighting control switch and circuit thereof |
| CN112671262A (en) * | 2019-11-05 | 2021-04-16 | 德能森智能科技（成都）有限公司 | Self-generating power supply and wireless passive switch |
| KR102552822B1 (en) * | 2022-11-28 | 2023-07-11 | 주식회사 청우산업 | Piezoelectric generator applied to resilient flooring |
-
2016
- 2016-02-26 CN CN201620144547.3U patent/CN205451449U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108122388A (en) * | 2016-11-26 | 2018-06-05 | 钟志刚 | Piezoelectric type passive signal generating means |
| CN107680301A (en) * | 2017-11-21 | 2018-02-09 | 广东永衡良品科技有限公司 | The self-powered structure and method of a kind of wireless doorbell wireless launcher |
| CN110165934A (en) * | 2019-05-13 | 2019-08-23 | 苏州市职业大学 | A kind of multi-layer piezoelectric power generator and its application method collected passerby and trample energy |
| CN112671262A (en) * | 2019-11-05 | 2021-04-16 | 德能森智能科技（成都）有限公司 | Self-generating power supply and wireless passive switch |
| CN112671262B (en) * | 2019-11-05 | 2022-10-18 | 德能森智能科技（成都）有限公司 | Self-generating power supply and wireless passive switch |
| CN111901941A (en) * | 2020-06-30 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Signal generation method of passive self-generating lighting control switch |
| CN111918465A (en) * | 2020-06-30 | 2020-11-10 | 中铁第一勘察设计院集团有限公司 | Passive self-generating lighting control switch and circuit thereof |
| CN111918465B (en) * | 2020-06-30 | 2022-12-16 | 中铁第一勘察设计院集团有限公司 | Passive self-generating lighting control switch and circuit thereof |
| CN111901941B (en) * | 2020-06-30 | 2023-02-28 | 中铁第一勘察设计院集团有限公司 | Signal generation method of passive self-generating lighting control switch |
| CN111693285A (en) * | 2020-08-03 | 2020-09-22 | 南通理工学院 | Portable vibration monitoring device and monitoring method for bearing |
| KR102552822B1 (en) * | 2022-11-28 | 2023-07-11 | 주식회사 청우산업 | Piezoelectric generator applied to resilient flooring |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170226 |