CN2587107Y - Non-contact electronic inductive switch - Google Patents
Non-contact electronic inductive switch Download PDFInfo
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- CN2587107Y CN2587107Y CN 02273008 CN02273008U CN2587107Y CN 2587107 Y CN2587107 Y CN 2587107Y CN 02273008 CN02273008 CN 02273008 CN 02273008 U CN02273008 U CN 02273008U CN 2587107 Y CN2587107 Y CN 2587107Y
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- circuit
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- processing module
- conversion circuit
- signal processing
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 230000006698 induction Effects 0.000 claims abstract description 7
- 230000011664 signaling Effects 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052710 silicon Inorganic materials 0.000 abstract description 6
- 239000010703 silicon Substances 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
A non-contact electronic inductive switch comprises a detection element (1), a signal conversion circuit (2), a signal processing module (3) and a main working circuit (4), wherein a signal detected by the detection element (1) is converted and output through the signal conversion circuit (2), the output end of the signal conversion circuit (2) is connected to the input end of the signal processing module (3), and the output end of the signal processing module (3) is connected with the input end of the main working circuit (4), the non-contact electronic inductive switch is characterized in that the detection element (1) is a variable induction capacitor, one polar plate of the induction capacitor is an induction plate (9), the other polar plate is a hand of a human body or other parts of the human body, the conduction or the closing of a silicon controlled rectifier is controlled by detecting the movement change of the hand or other parts of the human body to generate an on-off effect, a metal base does not need to be directly contacted, electric leakage is avoided, and the, the application range is wider, the automation degree is higher, and the use is very convenient.
Description
1, technical field:
The utility model relates to the contactless electronic inductive switch.
2, background technology:
The traditional electrical lamp switch is a traditional mechanical formula switch, develops into electronic dimming and contact witch afterwards, and above-mentioned two kinds all can not can only be used on the incandescent lamp bulb with on the control switch of answering power saving fluorescent lamps.At present, a kind of contactless electronic inductive switch is improved at having touching electronic switch on the market now, contact witch on the market is that the touch-control line of electronic circuit is connected on the metab of lamp, when hand removes to touch metab, the touch-control line induces resistance and changes, and excites controllable silicon, produces the on-off effect, the shortcoming of this kind structure is: 1. its touch-control line must be connected on metal partly, and nonmetal as ceramic and wooden base can not use; 2. owing to opening or closing hand, lamp must remove to touch metal, and metal directly connects the touch-control line, the leakage current of touch-control line often causes numb hand or the phenomenon of electric shock is arranged, in the dangerous property of the weather of thunderstorm, just in case neighbouring round capable Lei Youzheng removes trigger switch, high pressure moment puncture circuit directly reaches a people, and is not too safe.
3, summary of the invention:
The purpose of this utility model provides the contactless electronic inductive switch, it is by detecting the mobile variation of hand or other parts of human body, control silicon controlled conducting or close, produce the on-off effect, direct contacting metal base, security performance improves greatly, can be applied in the nonmetal base of light fixture, as pottery and wooden base, widened the scope of using.
The utility model is achieved by the following technical solution: it draws together detecting element, signaling conversion circuit, signal processing module and main operating circuit, the detected signal of detecting element is by signaling conversion circuit conversion output, the output of signaling conversion circuit is connected to the input of signal processing module, the output of signal processing module connects the input of main operating circuit, detecting element is a variable induction electric capacity, it is tablet that a pole plate of this inductance capacitance adopts, and another pole plate is other parts of the hand or the health of human body.
Above-mentioned described signaling conversion circuit is an oscillating circuit.
Above-mentioned described signal processing module can comprise demodulator circuit, pulse shaper and flip and flop generator, the output of signaling conversion circuit is connected the input of demodulator circuit, the output of demodulator circuit is connected the input of pulse shaper, the output of pulse shaper connects the input that is flip and flop generator, and the output of flip and flop generator is connected on the main operating circuit.
The signaling conversion circuit of above-mentioned described signal processing module and part is integrated in wiring board, and the lead-in wire from wiring board is connected on the tablet.
The utility model compared with prior art has following advantage: 1) it is by detecting the mobile variation of hand or other parts of human body, control the silicon controlled conducting or close the effect of generation on-off, directly contacting metal base, do not return and produce electric leakage, security performance improves greatly; 2) can be applied in the nonmetal base of light fixture,, widen the scope of using as pottery and wooden base; 3) automaticity is higher, use very convenient, when hand near inductance capacitance, switch just can be worked at once, its sensitivity can be regulated.
4, description of drawings:
Below in conjunction with accompanying drawing the utility model is done detailed explanation:
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the circuit block diagram of the utility model specific embodiments;
Fig. 3 is the circuit diagram of this Fig. 2 correspondence;
Fig. 4 is the structure chart of the utility model practical application;
Fig. 5 is the signal waveform of the utility model signaling conversion circuit output;
Fig. 6 is the signal waveform of the utility model demodulator circuit output;
Fig. 7 is the signal waveform of the utility model pulse shaper output.
Embodiment:
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprises detecting element (1), signaling conversion circuit (2), signal processing module (3) and main operating circuit (4), the detected signal of detecting element (1) is by signaling conversion circuit (2) conversion output, the output of signaling conversion circuit (2) is connected to the input of signal processing module (3), the output of signal processing module (3) connects the input of main operating circuit (4), it is characterized in that detecting element (1) is a variable induction electric capacity, it is tablet (9) that a pole plate of this inductance capacitance adopts, and another pole plate is other parts of the hand or the health of human body.The signaling conversion circuit (2) of signal processing module (3) and part is integrated in wiring board (8), and the lead-in wire (10) from wiring board (8) is connected on the tablet (9).Signaling conversion circuit (2) is an oscillating circuit.Signal processing module (3) can comprise demodulator circuit (5), pulse shaper (6) and flip and flop generator (7), the output of signaling conversion circuit (2) is connected the input of demodulator circuit (5), the output of demodulator circuit (5) is connected the input of pulse shaper (6), the output of pulse shaper (6) connects the input that is flip and flop generator (7), and the output of flip and flop generator (7) is connected on the main operating circuit (4).
Detecting element (1) detects mobile variation in one's hands, when hand adopts near pole plate of inductance capacitance is tablet (9), the capacitance significant change of inductance capacitance, signaling conversion circuit (2) itself is an oscillating circuit, it is because of the signal of the variation output different frequency of the capacitance variation of inductance capacitance, and this signal can be controlled the break-make of main operating circuit (4) after the processing of signal processing module (3).
Principle of the present utility model is: signaling conversion circuit (2) is a RC oscillating circuit, resistance R 4, capacitor C
0, C, triode VT1 be the main element of forming the RC oscillating circuit, it mainly acts on is with the variable induction capacitor C
0Detected signal is converted into FM signal, under the usual situation, and variable capacitance C
0Be infinitely great, its frequency of oscillation depends on resistance R 4 and capacitor C, when hand to tablet (9) near the time, variable capacitance C
0Capacitive reactance generation marked change, its capacitive reactance meeting diminishes gradually, thereby make the frequency of oscillation generation marked change of whole oscillating circuit, as shown in Figure 5, this FM signal is exported by triode VT2 emitter-base bandgap grading after triode VT1 amplifies then, demodulator circuit (5) is reduced to this signal the waveform signal of an amplitude modulation, as shown in Figure 6, pulse shaper (6) all this signal is put in order, waveform after the arrangement as shown in Figure 7, be input to flip and flop generator (7) then,, thereby control the whole break-make of controllable silicon of main operating circuit (4) by the break-make of flip and flop generator (7) output signal to controllable silicon DG.
Claims (4)
1, the contactless electronic inductive switch, it comprises detecting element (1), signaling conversion circuit (2), signal processing module (3) and main operating circuit (4), the detected signal of detecting element (1) is by signaling conversion circuit (2) conversion output, the output of signaling conversion circuit (2) is connected to the input of signal processing module (3), the output of signal processing module (3) connects the input of main operating circuit (4), it is characterized in that detecting element (1) is a variable induction electric capacity, it is tablet (9) that a pole plate of this inductance capacitance adopts, and another pole plate is other parts of the hand or the health of human body.
2, contactless electronic inductive switch according to claim 1 is characterized in that signaling conversion circuit (2) is an oscillating circuit.
3, contactless electronic inductive switch according to claim 1, it is characterized in that signal processing module (3) can comprise demodulator circuit (5), pulse shaper (6) and flip and flop generator (7), the output of signaling conversion circuit (2) is connected the input of demodulator circuit (5), the output of demodulator circuit (5) is connected the input of pulse shaper (6), the output of pulse shaper (6) connects the input that is flip and flop generator (7), and the output of flip and flop generator (7) is connected on the main operating circuit (4).
4, contactless electronic inductive switch according to claim 1 is characterized in that the signaling conversion circuit (2) of signal processing module (3) and part is integrated in wiring board (8), and the lead-in wire (10) from wiring board (8) is connected on the tablet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02273008 CN2587107Y (en) | 2002-09-02 | 2002-09-02 | Non-contact electronic inductive switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02273008 CN2587107Y (en) | 2002-09-02 | 2002-09-02 | Non-contact electronic inductive switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2587107Y true CN2587107Y (en) | 2003-11-19 |
Family
ID=33737591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02273008 Expired - Fee Related CN2587107Y (en) | 2002-09-02 | 2002-09-02 | Non-contact electronic inductive switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2587107Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424516C (en) * | 2004-09-08 | 2008-10-08 | 欧姆龙株式会社 | Capacitance measuring arrangement, method, and program |
| CN101839512A (en) * | 2010-05-06 | 2010-09-22 | 九阳股份有限公司 | Intelligent control electromagnetic oven |
| CN102378448A (en) * | 2010-08-23 | 2012-03-14 | 罗姆股份有限公司 | Lighting apparatus |
| CN102917488A (en) * | 2011-08-03 | 2013-02-06 | 亿广科技(上海)有限公司 | Lighting device |
| CN104329508A (en) * | 2014-10-28 | 2015-02-04 | 大连海事大学 | Non-contact active sensing valve switch |
-
2002
- 2002-09-02 CN CN 02273008 patent/CN2587107Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424516C (en) * | 2004-09-08 | 2008-10-08 | 欧姆龙株式会社 | Capacitance measuring arrangement, method, and program |
| CN101839512A (en) * | 2010-05-06 | 2010-09-22 | 九阳股份有限公司 | Intelligent control electromagnetic oven |
| CN101839512B (en) * | 2010-05-06 | 2012-08-01 | 九阳股份有限公司 | Intelligent control electromagnetic oven |
| CN102378448A (en) * | 2010-08-23 | 2012-03-14 | 罗姆股份有限公司 | Lighting apparatus |
| US9055644B2 (en) | 2010-08-23 | 2015-06-09 | Rohm Co., Ltd. | Lighting apparatus |
| US9860991B2 (en) | 2010-08-23 | 2018-01-02 | Rohm Co., Ltd. | Lighting apparatus |
| CN102917488A (en) * | 2011-08-03 | 2013-02-06 | 亿广科技(上海)有限公司 | Lighting device |
| CN104329508A (en) * | 2014-10-28 | 2015-02-04 | 大连海事大学 | Non-contact active sensing valve switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |