CN204681333U - One raps formula low power dissipation electron switch - Google Patents
One raps formula low power dissipation electron switch Download PDFInfo
- Publication number
- CN204681333U CN204681333U CN201520417190.7U CN201520417190U CN204681333U CN 204681333 U CN204681333 U CN 204681333U CN 201520417190 U CN201520417190 U CN 201520417190U CN 204681333 U CN204681333 U CN 204681333U
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- accumulator
- piezoelectric ceramic
- ceramic piece
- resistance
- amplifying circuit
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Abstract
Rap formula low power dissipation electron switch and comprise piezoelectric ceramic piece, rectification circuit, accumulator, amplifying circuit and output; Piezoelectric ceramic piece is electrically connected output by rectification circuit plate, accumulator and amplifying circuit successively; Piezoelectric ceramic piece vibrates for detecting and generates sawtooth waveforms ac signal; Rectification circuit is used for carrying out rectification to the sawtooth waveforms interchange level signal of piezoelectric ceramic piece and is treated to forward voltage; Accumulator is for storing this forward voltage; This amplifying circuit is used for generating a pulse switch signal under the driving of accumulator, and exports this pulse switch signal by output.The utility model only need rap triggering, without the need to firmly pressing, can not damage due to mechanical strain; In addition, not by the impact of ambient humidity; Moreover this switch adopts piezoelectric ceramic piece self power generation principle, can accomplish the power consumption of UA level.
Description
Technical field
The utility model relates to one and raps formula low power dissipation electron switch.
Background technology
At present, the switch sold on the market mainly comprises mechanical compression formula switch and electronic touching type I switch.Mechanical compression formula switch adopts Manual press mode in use, if switch distributing position is in human visual blind area, then searches push switch somewhat difficult; In addition, adopt the electronic product of mechanical switch the design technology of waterproof and dustproof function aspects is complicated and manufacturing cost is high; Moreover the pressing life-span of mechanical compression switch is short, generally domestic switch life nominal is 20000 times, the inlet switch life-span 100000 times;
At present, all to accomplish during little design of electronic products shutdown, standby time power consumption in UA level, such guarantee product is normally to use when long-time storage, and the power consumption of electronic touching type I switch is generally in MA level, and in order to product energy normal switch machine, soft-touch control needs always in running order, greatly will affect service time and the life-span of product like this; In addition, electronic touching type I switch is generally capacitor induction type, and affected by environment so large especially, when different air humiditys, temperature, touch sensitivity is very unstable.
Utility model content
For the deficiencies in the prior art, the utility model is intended to provide a kind of formula of rapping low power dissipation electron switch solved the problems of the technologies described above.
For achieving the above object, the utility model adopts following technical scheme:
One raps formula low power dissipation electron switch, and it comprises piezoelectric ceramic piece, rectification circuit, accumulator, amplifying circuit and output; Piezoelectric ceramic piece is electrically connected output by rectification circuit plate, accumulator and amplifying circuit successively;
Piezoelectric ceramic piece vibrates for detecting and generates sawtooth waveforms ac signal;
Rectification circuit is used for carrying out rectification to the sawtooth waveforms interchange level signal of piezoelectric ceramic piece and is treated to forward voltage;
Accumulator is for storing this forward voltage;
This amplifying circuit is used for generating a pulse switch signal under the driving of accumulator, and exports this pulse switch signal by output.
Preferably, rectification circuit, accumulator, amplifying circuit and piezoelectric ceramic piece are all laid on a circuit board, and piezoelectric ceramic piece covers at the top of rectification circuit, accumulator and amplifying circuit; The size of circuit board is consistent with piezoelectric ceramic piece.
Preferably, this electronic switch is diametrically 8mm, and thickness is the discoid of 2mm.
Preferably, accumulator comprises inductance L 1, electric capacity C1 and resistance R1; Inductance L 1 is connected between the output of rectification circuit and the input of amplifying circuit, and electric capacity C1 is in parallel with resistance R1 and is connected, and one end of electric capacity C1 connects the input of amplifying circuit, the other end ground connection of electric capacity C1.
Preferably, amplifying circuit comprises integrated transporting discharging U1, resistance R2 to resistance R5; The in-phase end of integrated transporting discharging U1 connects accumulator, end of oppisite phase is by resistance R3 ground connection, also connected the output of integrated transporting discharging U1 by resistance R4, also connect DC power supply VCC by resistance R2, resistance R5 is connected between the feeder ear of DC power supply VCC and integrated transporting discharging U1.
Preferably, rectification circuit is the full-bridge rectification bridge be made up of diode D1 to diode D4, and its input connects piezoelectric ceramic piece S1, and output connects accumulator.
The beneficial effects of the utility model are at least as follows:
In use, user only need rap the piezoelectric ceramic piece of this electronic switch to the utility model, and this switch can respond generation switching voltage signal fast, without the need to firmly pressing, easy to use, can not damage due to mechanical strain; In addition, not by the impact of ambient humidity; Moreover this switch adopts piezoelectric ceramic piece self power generation principle, can accomplish the power consumption of UA level.
Accompanying drawing explanation
Fig. 1 is the circuit diagram that the utility model raps the better embodiment of formula low power dissipation electron switch.
Fig. 2 is the decomposition texture schematic diagram of formula of the rapping low power dissipation electron switch of Fig. 1.
Fig. 3 is the combining structure schematic diagram of formula of the rapping low power dissipation electron switch of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
Refer to Fig. 1, the utility model relates to one and raps formula low power dissipation electron switch, and its better embodiment comprises piezoelectric ceramic piece S1, rectification circuit 10, accumulator 20, amplifying circuit 30 and output OUT.
Piezoelectric ceramic piece S1 is electrically connected output OUT by rectification circuit plate 10, accumulator 20 and amplifying circuit 30 successively;
Piezoelectric ceramic piece S1 vibrates for detecting and generates sawtooth waveforms ac signal;
Rectification circuit 10 is treated to forward voltage for carrying out rectification to the sawtooth waveforms interchange level signal of piezoelectric ceramic piece S1;
Accumulator 20 is for storing this forward voltage;
This amplifying circuit 30 for generating a pulse switch signal under the driving of accumulator 20, and exports this pulse switch signal by output OUT, such as, is sent to controller, to allow controller know, switch is triggered, thus performs corresponding action.
During use, user only need rap the panel (i.e. piezoelectric ceramic piece S1) of this electronic switch, and this switch can respond generation switching voltage signal fast, without the need to firmly pressing, easy to use; And can not damage due to mechanical strain; In addition, not by the impact of ambient humidity; Moreover this switch adopts piezoelectric ceramic piece self power generation principle, can accomplish the power consumption (as 20-30uA) of UA level.
See Fig. 2 and Fig. 3, in the present embodiment, rectification circuit 10, accumulator 20, amplifying circuit 30 and piezoelectric ceramic piece S1 are all laid on a circuit board 40, and piezoelectric ceramic piece S1 covers at the top of rectification circuit 10, accumulator 20 and amplifying circuit 30; The size of circuit board 40 is consistent with piezoelectric ceramic piece S1, thus makes this electronic switch can be little and flat as button, and such as, diameter is 8mm, and thickness is the discoid of 2mm, thus is suitable for very much in the higher electronic product of volume small form factor requirements.
In the present embodiment, rectification circuit 10 is the full-bridge rectification bridge be made up of diode D1 to diode D4, and its input connects piezoelectric ceramic piece S1, and output connects accumulator 20.
Accumulator 20 comprises inductance L 1, electric capacity C1 and resistance R1; Inductance L 1 is connected between the output of rectification circuit 10 and the input of amplifying circuit 30, and electric capacity C1 is in parallel with resistance R1 and is connected, and one end of electric capacity C1 connects the input of amplifying circuit 30, the other end ground connection of electric capacity C1.
Amplifying circuit 30 comprises integrated transporting discharging U1, resistance R2 to resistance R5.The in-phase end of integrated transporting discharging U1 connects accumulator 20, end of oppisite phase is by resistance R3 ground connection, also connected the output of integrated transporting discharging U1 by resistance R4, also connect DC power supply VCC by resistance R2, resistance R5 is connected between the feeder ear of DC power supply VCC and integrated transporting discharging U1.
Wherein, resistance R2 and resistance R3 forms a reference source, and resistance R4 provide negative feedback, and resistance R5 is current-limiting resistance, controls in UA level level to make the energy consumption of this electronic switch.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection range of the utility model claim.
Claims (6)
1. rap a formula low power dissipation electron switch, it is characterized in that: it comprises piezoelectric ceramic piece, rectification circuit, accumulator, amplifying circuit and output; Piezoelectric ceramic piece is electrically connected output by rectification circuit plate, accumulator and amplifying circuit successively;
Piezoelectric ceramic piece vibrates for detecting and generates sawtooth waveforms ac signal;
Rectification circuit is used for carrying out rectification to the sawtooth waveforms interchange level signal of piezoelectric ceramic piece and is treated to forward voltage;
Accumulator is for storing this forward voltage;
This amplifying circuit is used for generating a pulse switch signal under the driving of accumulator, and exports this pulse switch signal by output.
2. rap formula low power dissipation electron switch as claimed in claim 1, it is characterized in that: rectification circuit, accumulator, amplifying circuit and piezoelectric ceramic piece are all laid on a circuit board, and piezoelectric ceramic piece covers at the top of rectification circuit, accumulator and amplifying circuit; The size of circuit board is consistent with piezoelectric ceramic piece.
3. rap formula low power dissipation electron switch as claimed in claim 2, it is characterized in that: this electronic switch is diametrically 8mm, and thickness is the discoid of 2mm.
4. rap formula low power dissipation electron switch as claimed in claim 1, it is characterized in that: accumulator comprises inductance L 1, electric capacity C1 and resistance R1; Inductance L 1 is connected between the output of rectification circuit and the input of amplifying circuit, and electric capacity C1 is in parallel with resistance R1 and is connected, and one end of electric capacity C1 connects the input of amplifying circuit, the other end ground connection of electric capacity C1.
5. formula of the rapping low power dissipation electron switch according to any one of claim 2 to 4, is characterized in that: amplifying circuit comprises integrated transporting discharging U1, resistance R2 to resistance R5; The in-phase end of integrated transporting discharging U1 connects accumulator, end of oppisite phase is by resistance R3 ground connection, also connected the output of integrated transporting discharging U1 by resistance R4, also connect DC power supply VCC by resistance R2, resistance R5 is connected between the feeder ear of DC power supply VCC and integrated transporting discharging U1.
6. rap formula low power dissipation electron switch as claimed in claim 1, it is characterized in that: rectification circuit is the full-bridge rectification bridge be made up of diode D1 to diode D4, its input connects piezoelectric ceramic piece S1, and output connects accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417190.7U CN204681333U (en) | 2015-06-16 | 2015-06-16 | One raps formula low power dissipation electron switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417190.7U CN204681333U (en) | 2015-06-16 | 2015-06-16 | One raps formula low power dissipation electron switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204681333U true CN204681333U (en) | 2015-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520417190.7U Expired - Fee Related CN204681333U (en) | 2015-06-16 | 2015-06-16 | One raps formula low power dissipation electron switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204681333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901669A (en) * | 2015-06-16 | 2015-09-09 | 广州由我电子科技有限公司 | Tap low-power-consumption electronic switch |
-
2015
- 2015-06-16 CN CN201520417190.7U patent/CN204681333U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901669A (en) * | 2015-06-16 | 2015-09-09 | 广州由我电子科技有限公司 | Tap low-power-consumption electronic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510000, No. 4, 08, 15, great creative industrial park, 644 stone road north, Dashi street, Guangzhou, Guangdong, Panyu District Patentee after: U&I ELECTRONIC & TECHNOLOGY CO., LTD. Address before: 510000, No. 4, 08, 15, great creative industrial park, 644 stone road north, Dashi street, Guangzhou, Guangdong, Panyu District Patentee before: GUANGZHOU U&I ELECTRONIC TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20210616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |