CN202094865U - Energy-saving single wire system single/multiple capacitive sensing type touch switch - Google Patents
Energy-saving single wire system single/multiple capacitive sensing type touch switch Download PDFInfo
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- CN202094865U CN202094865U CN2011200981907U CN201120098190U CN202094865U CN 202094865 U CN202094865 U CN 202094865U CN 2011200981907 U CN2011200981907 U CN 2011200981907U CN 201120098190 U CN201120098190 U CN 201120098190U CN 202094865 U CN202094865 U CN 202094865U
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Abstract
The utility model discloses an energy-saving single wire system single/multiple capacitive sensing type touch switch which comprises a touch sensing module, a power module and a switch driving module; the touch sensing module is used for receiving a touch sensing signal inputted by a capacitive touch switch and driving the switch driving module to actuate according to the touch sensing signal so as to conduct a power supply loop of a load; and the power module supplies power to the touch sensing module. The energy-saving single wire system single/multiple capacitive sensing type touch switch can drive various loads, has broader load scopes such as energy saving lamps, switch powers, alternating current motors, novel LED (Light-emitting Diode) light sources, common fluorescent lights and the like, and overcomes the defects of small load scope and weak load capacity of the traditional switch; moreover, the overall power consumption of the switch is less than 2.2mW (measured without a backlight indicator light). Circuits are simplified and power utilization rate is improved. Different filter circuits are zrespectivelly used for feeding a low frequency filter and high frequency switch powers, and the influence of resetting time during electrifying is eliminated; therefore, the circuits are more stable and safer.
Description
Technical field
The utility model discloses a kind of electronic switch, particularly a kind of energy-saving one wire system list/multichannel capacitor induction type soft-touch control.
Background technology
At present, the majority of the alternating current switch on the market is a mechanical key formula switch.Problems such as spark appear when having mechanical wear and switch, for some occasion, as: inflammable, explosive, gas leak room etc. is inapplicable.In this case, electronic switch occurs, in the switching process, dangerous situations such as spark no longer occurred.
Yet existing popular one wire system soft-touch control is because oneself power consumption is big, and it is main can only being used to control incandescent lamp.Uncontrollable to electric inductance type fluorescent lamp, low power consumption (less than 5W) LED lamp and inductor load (as the low power consumption motor) thereof.Simultaneously, can't actual multichannel control on the switch enclosure of existing electronic switch, its touch manner is the Metal Contact formula, lacks the sense of security.
Summary of the invention
The shortcoming that has potential safety hazard at the above-mentioned mechanical key formula switch of mentioning of the prior art, the utility model provides a kind of new energy-saving one wire system list/multichannel capacitor induction type soft-touch control, it utilizes the direct driving switch driver module action of touch sensible module, current supply circuit by switch drive module control conducting load, simple in structure, control is convenient.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of energy-saving one wire system list/multichannel capacitor induction type soft-touch control, soft-touch control comprises touch sensible module, power module and switch drive module, the touch sensible module is used to receive the touch sensible signal of capacitor type touch switch input, and move according to touch sensible Signal-controlled switch driver module, with the current supply circuit of conducting load, power module is given the touch sensible module for power supply.
The technical scheme that its technical problem that solves the utility model adopts further comprises:
Described touch sensible module is provided with an above capacitor type touch switch interface.
Described switch drive module is provided with more than one, and the touch sensible module is exported control signal respectively and controlled each switch drive module.
Described touch sensible module adopts the touch sensible chip.
Described power module comprises rectifier bridge, transformer, switching tube, RC oscillating unit and voltage stabilizing chip, primary coil one end of external AC power supply input transformer after the rectifier bridge rectification, switching tube is connected between the primary coil other end and ground of transformer, the RC oscillating unit is connected on the control end of switching tube, the transformer secondary output coil is exported to the voltage stabilizing chip, exports to the touch sensible module for power supply after the voltage stabilizing of voltage stabilizing chip.
Described power module also comprises feedback unit, feedback unit comprises optocoupler and voltage stabilizing didoe, voltage stabilizing didoe is connected on the transformer secondary output coil, the output voltage of sampling transformer secondary output coil, and sampled result exported to light-emitting diode in the optocoupler, phototriode in the optocoupler exports on the control end of switching tube break-make of control switch pipe to.
Described switch drive module comprises bidirectional triode thyristor and optocoupler, and touch sensible module output control signal is given optocoupler, through the break-make of optocoupler output control bidirectional triode thyristor, and the current supply circuit of bidirectional triode thyristor control conducting load.
Described soft-touch control also comprises feed element, and feed element comprises voltage stabilizing didoe and rectification unit, and voltage stabilizing didoe is connected on the control end of bidirectional triode thyristor, and voltage stabilizing didoe is exported to rectification unit, exports to power module after the rectification unit rectification.
Described soft-touch control also comprises the state indicating module, and the state indicating module is connected on the output of touch sensible module.
The beneficial effects of the utility model are: the utility model can drive various loads, loading range is wider, as electricity-saving lamp, Switching Power Supply, alternating current machine, LED new light sources, common fluorescent lamp or the like, its loading range that has overcome conventional switch is little, the shortcoming that load capacity is weak.Simultaneously, use Switching Power Supply in the utility model, utilize its high efficiency, can alleviate oneself power consumption, drive more low power load, as the LED lamp etc. as power module.In addition, use low-power consumption class LDO voltage stabilizing chip, touch chip etc. in the utility model, can reduce overall power, total power consumption is not less than 2.2mW (having to record under the indicator light backlight).The utility model is simplified circuit, promotes the power utilization rate.The utility model separates feed low frequency filtering and high frequency switch power and uses different filter circuits, the influence of resetting time when eliminating energising, and circuit is more stable, and is safer.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Fig. 2 is the utility model circuit theory diagrams.
Fig. 3 is the utility model switch drive module partial circuit schematic diagram.
Fig. 4 is the utility model power module and power feeding module partial circuit schematic diagram.
Fig. 5 is the utility model touch sensible module and state indicating module partial circuit schematic diagram.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection range.
Please referring to accompanying drawing 1, the utility model mainly comprises touch sensible module, power module and switch drive module, the touch sensible module is used to receive the touch sensible signal of capacitor type touch switch input, and move according to touch sensible Signal-controlled switch driver module, with the current supply circuit of conducting load, power module is given the touch sensible module for power supply.
Please in conjunction with referring to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 5, in the present embodiment, the core devices of touch sensible module is touch sensible chip U6, and in the present embodiment, it is the touch sensible chip of ADPT005 that touch sensible chip U6 adopts model, it includes the input of 5 road touch sensibles and 5 I/O mouths, and have data-handling capacity, touch sensible chip U6 is the low-power consumption touch device, and quiescent dissipation is less than 5uA, during concrete enforcement, also can adopt the chip of other similar functions to replace.In the present embodiment, the touch sensible module is provided with an above capacitor type touch switch interface, can be used for connecting capacitor type touch switch, in the present embodiment, electric capacity of serial connection on each capacitor type touch switch interface can play filter action and reduce the noise jamming of 50～100Hz power supply, during concrete enforcement, capacitor type touch switch can be integrated in the utility model, also can be arranged on the utility model outside, is connected with the utility model by interface.In the present embodiment, the sensitivity of touch sensible chip U6 is regulated on the interface and is connected with control capacittance C7, and by changing the size of capacitor C 7, scalable touch sensible chip U6 is to the sensitivity of capacitor type touch switch induction.In the present embodiment, to adopt wherein 3 the tunnel to be that example is specifically described, promptly on touch sensible chip U6, be connected with three capacitor type touch switch, touch sensible chip U6 exports three tunnel control signals simultaneously, control three switch drive module work, during concrete enforcement, can increase and decrease according to actual needs, can only be provided with one the tunnel, two-way or other multichannels also can be set, and when it only was provided with one the tunnel, the utility model was energy-saving one wire system single channel capacitor induction type soft-touch control, be that the utility model then is energy-saving one wire system multichannel capacitor induction type soft-touch control when it is provided with more than the two-way.Please in conjunction with referring to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 4, in the present embodiment, power module comprises rectifier bridge BD1, transformer PT1, switching tube Q1, RC oscillating unit and voltage stabilizing chip U3, rectifier bridge BD1 is connected on the civil power input interface of the present utility model, in the present embodiment, rectifier bridge BD1 one end is connected on the civil power live wire input interface, the other end is connected on the load link of first via switch drive module, when first via switch drive module of the present utility model is in off-state, 220V exchanges and directly is added on the rectifier bridge BD1, after rectifier bridge BD1 rectification, the output high voltage direct current, in the present embodiment, transformer PT1 and switching tube Q1 form high frequency switch power, high voltage direct current after the rectifier bridge BD1 rectification is directly inputted into an end of the primary coil of transformer PT1, the other end of the primary coil of transformer PT1 is by switching tube Q1 ground connection, in the present embodiment, resistance R 4 and capacitor C 9 are formed the RC oscillating unit, RC oscillating unit one end is connected in the output of rectifier bridge BD1, the other end is connected on the control end of switching tube Q1, the break-make of control switch pipe Q1, thereby realize that high voltage direct current is by transformer PT1, convert the 5V low-tension supply to through transformer PT1, through inputing to voltage stabilizing chip U3 after the diode D6 rectification, after voltage stabilizing chip U3 voltage stabilizing, export to touch sensible chip U6 power supply then.In the present embodiment, voltage stabilizing chip U3 adopts the LDO device of low pressure reduction, low-power consumption, to reduce the quiescent dissipation in the voltage stabilizing circuit, in the present embodiment, it is the voltage stabilizing chip of 6206-3V0 that voltage stabilizing chip U3 adopts model, when specifically implementing, also can adopt other chips of similar functions to replace.In the present embodiment, also include rectifier bridge BD2 in the power module, rectifier bridge BD2 one end is connected on the load link of the second way switch driver module, the rectifier bridge BD2 other end is connected on the load link of Third Road switch drive module, rectifier bridge BD2 is in parallel with rectifier bridge BD1, the output of rectifier bridge BD2 also is connected on the transformer PT1, when in the second way switch driver module or the Third Road switch drive module one tunnel conducting being arranged, external civil power carries out rectification by rectifier bridge BD2, powers.In the present embodiment, be serially connected with resistance R 1 between rectifier bridge BD1 and rectifier bridge BD2 and the voltage stabilizing chip U3, be connected with capacitor C 8 between the common port of resistance R 1 and voltage stabilizing chip U3 and the ground, resistance R 1 and capacitor C 8 are formed the RC filter circuit, the High-frequency Interference of energy filtering rectifier bridge BD1 and rectifier bridge BD2 output.In the present embodiment, the output of voltage stabilizing chip U3 process resistance R 6 inputs to the oscillator signal input of touch sensible chip U6, and resistance R 6 is the oscillation resistance of touch sensible chip U6.In the present embodiment; also include feedback unit in the power module; feedback unit mainly comprises optocoupler OP4 and voltage stabilizing didoe D5; voltage stabilizing didoe D5 is connected on the transformer PT1 secondary coil; be on the input pin of voltage stabilizing chip U3; the output voltage of transformer PT1 secondary coil is used to sample; and sampled result exported to light-emitting diode in the optocoupler OP4; when sampled result is higher than the puncture voltage of voltage stabilizing didoe D5; voltage stabilizing didoe D5 conducting makes the lumination of light emitting diode in the optocoupler OP4, makes simultaneously that optocoupler OP4's is secondary; it is the also conducting of phototriode in the optocoupler OP4; phototriode in the optocoupler OP4 exports on the control end of switching tube Q1, and the phototriode conducting in the optocoupler OP4 drags down the control end current potential of switching tube Q1; control switch pipe Q1 disconnects, and realizes the output high voltage protective.Please in conjunction with referring to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 5, in the present embodiment, switch drive module is provided with three, and the circuit structure of each switch drive module is all identical, in the present embodiment, is example with first via switch drive module only, and its circuit is specifically described.In the present embodiment, first via switch drive module mainly comprises optocoupler OP1 and bidirectional triode thyristor T1, optocoupler OP1 elementary is connected to by current-limiting resistance R2 on the I/O mouth of touch sensible chip U6, optocoupler OP1 secondary is connected on the control end of bidirectional triode thyristor T1, by the loop break-make of bidirectional triode thyristor control load.In the utility model, also include the state indicating module, in the present embodiment, status indicator lamp adopts three LED, each LED is connected on the output of touch sensible chip U6 by a current-limiting resistance respectively, be used to indicate the working condition of a way switch driver module, when the switch drive module on the output of touch sensible chip U6 is conducting, the I/O mouth output low level of touch sensible chip U6 correspondence, then corresponding LED lights, when the I/O mouth of touch sensible chip U6 correspondence was exported high level, corresponding LED extinguished, corresponding switch drive module conducting work.Simultaneously, status indicator lamp lamp as a setting uses, and not only can indicate the working condition of corresponding switch drive module, can also be in the dark, and indication the utility model position.Also comprise feed element in the utility model, feed element in the present embodiment comprises voltage stabilizing didoe D1, voltage stabilizing didoe D2, voltage stabilizing didoe D3 and rectification unit, voltage stabilizing didoe D1 is connected on the control end of bidirectional triode thyristor T1, voltage stabilizing didoe D2 is connected on the control end of bidirectional triode thyristor T2, voltage stabilizing didoe D3 is connected on the control end of bidirectional triode thyristor T3, each voltage stabilizing didoe is exported to rectification unit respectively, in the present embodiment, rectification unit comprises diode D7, diode D8, diode D9 and diode D10, wherein, diode D7 is connected with the output of voltage stabilizing didoe D1, diode D8 is connected with the output of voltage stabilizing didoe D2, diode D9 is connected with the output of voltage stabilizing didoe D3, diode D7, the output of diode D8 and diode D9 is connected to diode D10 respectively, diode D10 exports on the input pin of voltage stabilizing chip U3, when the electronic switch in the utility model is connected, after high voltage source reduces, when power module part can't operate as normal, can continue as touch sensible chip U6 by power feeding module operating current is provided.
In the present embodiment, soft-touch control comprises 4 external interfaces, one of them can be used for being connected with the live wire of electric main, other three interfaces are connected with a load respectively, the input interface that is connected with live wire is connected with the secondary end of optocoupler in each switch drive module respectively, and the secondary other end of the optocoupler in each switch drive module connects with an output interface that is connected with load respectively.
The utility model in use, live wire is connected on of the present utility model and the input interface that live wire is connected, connect a load respectively on other three interfaces, when not conducting of load, external civil power is by after the rectifier bridge BD1 rectification, through exporting to voltage stabilizing chip U3 after the Switching Power Supply part transformation, give touch sensible chip U6 power supply again by voltage stabilizing chip U3.When the soft-touch control input control signal is given touch sensible chip U6, touch sensible chip U6 exports control signal corresponding, make the optocoupler conducting in the corresponding switch drive module, optocoupler drives the bidirectional triode thyristor conducting in the corresponding switch drive module, bidirectional triode thyristor is connected live wire and corresponding load, corresponding load is powered on, simultaneously, corresponding status indicator lamp extinguishes, and realizes switch control.
The utility model can drive various loads, and loading range is wider, and as electricity-saving lamp, Switching Power Supply, alternating current machine, LED new light sources, common fluorescent lamp or the like, its loading range that has overcome conventional switch is little, the shortcoming that load capacity is weak.Simultaneously, use Switching Power Supply in the utility model, utilize its high efficiency, can alleviate oneself power consumption, drive more low power load, as the LED lamp etc. as power module.In addition, use low-power consumption class LDO voltage stabilizing chip, touch chip etc. in the utility model, can reduce overall power, total power consumption is not less than 2.2mW (having to record under the indicator light backlight).The utility model is simplified circuit, promotes the power utilization rate.The utility model separates feed low frequency filtering and high frequency switch power and uses different filter circuits, the influence of resetting time when eliminating energising, and circuit is more stable, and is safer.
More than technical scheme that the utility model embodiment is provided be described in detail, used specific case herein principle and the execution mode of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. energy-saving one wire system list/multichannel capacitor induction type soft-touch control, it is characterized in that: described soft-touch control comprises touch sensible module, power module and switch drive module, the touch sensible module is used to receive the touch sensible signal of capacitor type touch switch input, and move according to touch sensible Signal-controlled switch driver module, with the current supply circuit of conducting load, power module is given the touch sensible module for power supply.
2. energy-saving one wire system list according to claim 1/multichannel capacitor induction type soft-touch control is characterized in that: described touch sensible module is provided with an above capacitor type touch switch interface.
3. energy-saving one wire system list according to claim 1/multichannel capacitor induction type soft-touch control, it is characterized in that: described switch drive module is provided with more than one, and the touch sensible module is exported control signal respectively and controlled each switch drive module.
4. according to claim 1 or 2 or 3 described energy-saving one wire system list/multichannel capacitor induction type soft-touch controls, it is characterized in that: described touch sensible module adopts the touch sensible chip.
5. according to claim 1 or 2 or 3 described energy-saving one wire system list/multichannel capacitor induction type soft-touch controls, it is characterized in that: described power module comprises rectifier bridge, transformer, switching tube, RC oscillating unit and voltage stabilizing chip, primary coil one end of external AC power supply input transformer after the rectifier bridge rectification, switching tube is connected between the primary coil other end and ground of transformer, the RC oscillating unit is connected on the control end of switching tube, the transformer secondary output coil is exported to the voltage stabilizing chip, exports to the touch sensible module for power supply after the voltage stabilizing of voltage stabilizing chip.
6. energy-saving one wire system list according to claim 5/multichannel capacitor induction type soft-touch control, it is characterized in that: described power module also comprises feedback unit, feedback unit comprises optocoupler and voltage stabilizing didoe, voltage stabilizing didoe is connected on the transformer secondary output coil, the output voltage of sampling transformer secondary output coil, and sampled result exported to light-emitting diode in the optocoupler, the phototriode in the optocoupler exports on the control end of switching tube break-make of control switch pipe to.
7. according to claim 1 or 2 or 3 described energy-saving one wire system list/multichannel capacitor induction type soft-touch controls, it is characterized in that: described switch drive module comprises bidirectional triode thyristor and optocoupler, touch sensible module output control signal is given optocoupler, through the break-make of optocoupler output control bidirectional triode thyristor, the current supply circuit of bidirectional triode thyristor control conducting load.
8. energy-saving one wire system list according to claim 5/multichannel capacitor induction type soft-touch control, it is characterized in that: described soft-touch control also comprises feed element, feed element comprises voltage stabilizing didoe and rectification unit, voltage stabilizing didoe is connected on the control end of bidirectional triode thyristor, voltage stabilizing didoe is exported to rectification unit, exports to power module after the rectification unit rectification.
9. energy-saving one wire system list according to claim 7/multichannel capacitor induction type soft-touch control, it is characterized in that: described soft-touch control also comprises feed element, feed element comprises voltage stabilizing didoe and rectification unit, voltage stabilizing didoe is connected on the control end of bidirectional triode thyristor, voltage stabilizing didoe is exported to rectification unit, exports to power module after the rectification unit rectification.
10. according to claim 1 or 2 or 3 described energy-saving one wire system list/multichannel capacitor induction type soft-touch controls, it is characterized in that: described soft-touch control also comprises the state indicating module, and the state indicating module is connected on the output of touch sensible module.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200981907U CN202094865U (en) | 2011-04-06 | 2011-04-06 | Energy-saving single wire system single/multiple capacitive sensing type touch switch |
| US14/005,505 US9685950B2 (en) | 2011-03-23 | 2012-03-16 | Energy-saving electronic touch switch |
| PCT/CN2012/072490 WO2012126337A1 (en) | 2011-03-23 | 2012-03-16 | Energy-saving electronic touch switch |
| IL228399A IL228399A (en) | 2011-03-23 | 2013-09-12 | Energy saving electronic touch switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200981907U CN202094865U (en) | 2011-04-06 | 2011-04-06 | Energy-saving single wire system single/multiple capacitive sensing type touch switch |
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| Publication Number | Publication Date |
|---|---|
| CN202094865U true CN202094865U (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200981907U Expired - Fee Related CN202094865U (en) | 2011-03-23 | 2011-04-06 | Energy-saving single wire system single/multiple capacitive sensing type touch switch |
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| CN (1) | CN202094865U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126337A1 (en) * | 2011-03-23 | 2012-09-27 | 深圳市阿达电子有限公司 | Energy-saving electronic touch switch |
| CN103684391A (en) * | 2013-11-02 | 2014-03-26 | 宁波市镇海匡正电子科技有限公司 | Capacitive noncontact vehicle switch circuit |
| CN105490674A (en) * | 2016-01-14 | 2016-04-13 | 上海奥柯勒电气有限公司 | Series connection power acquiring capacitive touch switch |
| CN107027210A (en) * | 2016-02-01 | 2017-08-08 | 华润矽威科技（上海）有限公司 | A kind of LED control circuit and method |
| CN107666306A (en) * | 2016-07-28 | 2018-02-06 | 深圳指芯智能科技有限公司 | A kind of single live wire power getting intelligent switch based on fingerprint identification technology |
| CN107977095A (en) * | 2017-12-04 | 2018-05-01 | 深圳市创维电器科技有限公司 | Optical disc player and its method to set up of membrane keyboard sensitivity |
-
2011
- 2011-04-06 CN CN2011200981907U patent/CN202094865U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012126337A1 (en) * | 2011-03-23 | 2012-09-27 | 深圳市阿达电子有限公司 | Energy-saving electronic touch switch |
| US9685950B2 (en) | 2011-03-23 | 2017-06-20 | Shenzhen Ada Electronics Co., Ltd. | Energy-saving electronic touch switch |
| CN103684391A (en) * | 2013-11-02 | 2014-03-26 | 宁波市镇海匡正电子科技有限公司 | Capacitive noncontact vehicle switch circuit |
| CN105490674A (en) * | 2016-01-14 | 2016-04-13 | 上海奥柯勒电气有限公司 | Series connection power acquiring capacitive touch switch |
| CN105490674B (en) * | 2016-01-14 | 2018-09-28 | 上海奥柯勒电气股份有限公司 | A kind of series connection takes electric capacitive touch switch |
| CN107027210A (en) * | 2016-02-01 | 2017-08-08 | 华润矽威科技（上海）有限公司 | A kind of LED control circuit and method |
| CN107027210B (en) * | 2016-02-01 | 2018-10-26 | 华润矽威科技（上海）有限公司 | A kind of LED control circuit and method |
| CN107666306A (en) * | 2016-07-28 | 2018-02-06 | 深圳指芯智能科技有限公司 | A kind of single live wire power getting intelligent switch based on fingerprint identification technology |
| CN107977095A (en) * | 2017-12-04 | 2018-05-01 | 深圳市创维电器科技有限公司 | Optical disc player and its method to set up of membrane keyboard sensitivity |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20190406 |