CN204993989U - Touch LED dimmer circuit - Google Patents
Touch LED dimmer circuit Download PDFInfo
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- CN204993989U CN204993989U CN201520632518.7U CN201520632518U CN204993989U CN 204993989 U CN204993989 U CN 204993989U CN 201520632518 U CN201520632518 U CN 201520632518U CN 204993989 U CN204993989 U CN 204993989U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a touch LED dimmer circuit belongs to the LED lighting technology field. It has solved the single technical problem of the current LED dimmer circuit mode of adjusting luminance. This circuit includes the power, voltage stabilizing circuit, the touch -sensitive module, LED control module, constant current driver module and LED load, LED control module's voltage input end is connected with the power through voltage stabilizing circuit, LED control module's PWM signal output part is connected with constant current driver module's signal input part, constant current driver module's voltage input end is connected with the source phase, constant current driver module's current output terminal and LED load are connected, the touch -sensitive module includes touch panel and touch -sensitive electrode, the touch -sensitive electrode is connected with the touch panel back, the signal input part that the touch -sensitive electrode passes through wire and LED control module is connected. The utility model discloses it adjusts luminance to realize the LED touch when simplifying the structure.
Description
Technical field
The utility model belongs to technical field of LED illumination, relates to a kind of touch LED light adjusting circuit.
Background technology
Rapidly, people require also more and more higher to the illumination control of product in LED industry development.Also get more and more along with to the research of touch adjusting control circuit, Related product also moves towards market.But the circuit of current singly-bound stepless dimming is less on market, even if also have many restrictions at the product of application, as on pcb board, must be more short better to IC pin line from touch port, and line can not have parallel with other circuit or intersect; Or pcb board cladding material can not have metal and electric conducting material etc., these restrictive conditions hinder the quality requirements of product to material and outward appearance all greatly.
For above-mentioned Problems existing, existing Chinese patent literature discloses a kind of stepless dimming without stroboscopic LED desk lamp, comprise the lamp plate being provided with LED illuminator and the lamp socket be connected with lamp plate by lamp bracket, the main control chip of charged interface is provided with in lamp socket, the input of main control chip connects the light modulation input module for starting stepless dimming, and main control chip PWM output connects LED illuminator by rectification module; Rectification module comprises electrochemical capacitor over the ground and constant-current source circuit, the positive terminal of electrochemical capacitor connects main control chip PWM output, the negative pole end of electrochemical capacitor connects the ground of constant-current source circuit, main control chip PWM output connects the input of constant-current source circuit, and the output of constant-current source circuit connects LED illuminator.Although this desk lamp user in whole dimming process can arrive comfortable brightness according to the free adjustment that needs of oneself, this utility model light-modulating mode is single, can only increase continuously in dimming process, can not meet the demand of most of user; In addition, the light modulation input module of this utility model is touch key-press, and touch key-press adopts capacitance type touch key, and be the circuit that an IC controls, circuit structure is complicated, and cost is higher.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of touch LED light adjusting circuit, and this touch LED light adjusting circuit technical problem to be solved is: how simplified structure while, to realize LED touch light modulation.
The purpose of this utility model realizes by following technical proposal: a kind of touch LED light adjusting circuit, it is characterized in that, described touch LED light adjusting circuit comprises power supply, voltage stabilizing circuit, touch sensible module, LED control module, constant-current driven module and LED load, the voltage input end of described LED control module is connected with power supply by voltage stabilizing circuit, the pwm signal output of described LED control module is connected with the signal input part of constant-current driven module, the voltage input end of described constant-current driven module is connected with power supply, the current output terminal of constant-current driven module is connected with LED load, described touch sensible module comprises touch panel and touch sensible electrode, described touch sensible electrode is connected with touch panel back, described touch sensible electrode is connected with the signal input part of LED control module by wire.
This touch LED light adjusting circuit by detect finger close to time, by capacitance variations small between touch sensible electrode and finger, detect touch action, this light adjusting circuit is when initially powering on, during point touching, the light on and off that can realize light control, and length can realize the stepless brightness regulation of light by during touch.Touch sensible electrode is arranged on the back side of touch panel, and finger only touches on touch panel, and fail safe is high, and structure is simple, easy to operate.This touch LED light adjusting circuit can be applied on desk lamp, the Touch table lamp done like this fashion attractive in appearance, safety durable, and materials are few, produce convenient for installation and maintenance.
In above-mentioned touch LED light adjusting circuit, be also connected with resistance R4 and resistance R5 between the signal input part of described constant-current driven module and the pwm signal output of LED control module, described resistance R4 and resistance R5 is connected in series.Between constant-current driven module and LED control module, contact resistance R4 and resistance R5 can when LED control module output level be uncertain, during as high resistant, drive singal is made to drag down as off state, avoid because LED control module reset or other faults cause constant-current driven module to mislead, in order to avoid damage device.
In above-mentioned touch LED light adjusting circuit, be also connected with resistance R6 and resistance R7 between described touch sensible electrode and the signal input part of LED control module, described resistance R6 and resistance R7 is connected in series.Contact resistance R6 and resistance R7 between touch sensible module and LED control module, when there being the bulky capacitor inductions such as electrostatic, resistance R6 and resistance R7 can protect LED control module from damage.
In above-mentioned touch LED light adjusting circuit, the material of described touch panel is metal material.As preferably, between touch panel and touch sensible electrode, be also connected with high-temperature insulation adhesive tape.By high-temperature insulation adhesive tape, can make to play insulating effect between metal touch panel and touch sensible electrode, avoid the Conductivity of metal to touch the induction sensitivity of light modulation.
In above-mentioned touch LED light adjusting circuit, be also connected with electric capacity C6 and electric capacity C7 between described touch sensible electrode and the signal input part of LED control module, described electric capacity C6 and electric capacity C7 is connected in series.When the material of touch panel is metal material, access electric capacity C6 and electric capacity C7 can ensure the induction sensitivity touching light modulation.
In above-mentioned touch LED light adjusting circuit, the material of described touch panel is electrical insulating material.
In above-mentioned touch LED light adjusting circuit, the material of described touch panel is choose any one kind of them in plastics, glass, pottery, acrylic, ABS and wood materials.
In above-mentioned touch LED light adjusting circuit, the thickness of described touch panel is for being less than or equal to 10mm, and touch sensible electrode is rounded and diameter is 5mm-16mm, and the size of touch sensible electrode is directly proportional to the thickness size of touch panel.As preferably, it is good that the thickness of touch panel is no more than 3mm.In touch light modulation, the size of touch sensible electrode and the thickness of touch panel all can affect light modulation sensitivity, when touch panel thicker, the area of single touch sensible electrode also will increase relatively, and the size of touch sensible electrode is depending on touch panel Material texture and thickness.
In above-mentioned touch LED light adjusting circuit, the material of described touch sensible electrode is Copper Foil, and the material of described wire is copper wire.Adopt Copper Foil and copper wire, there is touch sensible effective, highly sensitive advantage.
In above-mentioned touch LED light adjusting circuit, described LED control module comprises capacitance touch chip U1 and peripheral circuit thereof, the touch sensible interface T0 of described capacitance touch chip U1 is connected with touch sensible electrode by wire, the pwm signal output OUT of capacitance touch chip U1 is connected with the signal input part of constant-current driven module, the R_BIAS pin of capacitance touch chip U1 meets digitally DGND by sampling capacitance C1, the CS1 pin of capacitance touch chip U1, CS2 pin and CS3 pin are light-modulating mode option interface, the voltage input end VDD of capacitance touch chip U1 is connected with the voltage output end of voltage stabilizing circuit, the GND pin of capacitance touch chip U1 meets AGND in analog.In LED control module, sampling capacitance C1 is for regulating touch sensitivity, and when the material of touch panel and thickness etc. differ greatly, the capacitance size by adjustment sampling capacitance C1 regulates touch sensitivity.Capacitor's capacity is larger, and sensitivity is higher, and capacitor's capacity is lower, and sensitivity is lower.In this light adjusting circuit, by the different connected modes of the CS1 pin of capacitance touch chip U1, CS2 pin and CS3 pin, the different-effect that realizing circuit light modulation exports, i.e. choosing multiple light-modulating mode, as segmented light modulation, be not with memory function stepless dimming, band memory function stepless dimming.
In above-mentioned touch LED light adjusting circuit, the mode realizing light-modulating mode selection is: the CS1 pin of capacitance touch chip U1 is connected high level, and CS2 pin is unsettled, and CS3 pin connects low level, realizes band brightness and remembers stepless dimming pattern; The CS1 pin of capacitance touch chip U1 is connected high level, and CS2 pin is unsettled, and CS3 pin connects high level, realizes not being with brightness to remember stepless dimming pattern; The CS1 pin of capacitance touch chip U1 is connected low level, and CS2 pin connects low level, and CS3 pin connects high level, realizes three-stage dimming pattern.Stepless dimming refers to and brightness can be made by long to increase continuously by touch, user can according to oneself need be adjusted to comfortable brightness; Band memory stepless dimming pattern can when power supply not power-off, and brightness when each point touching is turned off the light can be remembered, can using this brightness as original intensity when next point touching is turned on light.Three-stage dimming pattern, when each point touching, can realize the mode successively circulation change of lamplight brightness from low-light level, middle brightness, high brightness, extinguishing.
In above-mentioned touch LED light adjusting circuit, described sampling capacitance C1 is patch capacitor or electric capacity of the dacron.Adopt electric capacity C1 except selecting patch capacitor or electric capacity of the dacron, the electric capacity that other warm drift amounts are less can also be selected, with from externally temperature influence.
In above-mentioned touch LED light adjusting circuit, described voltage stabilizing circuit comprises voltage stabilizing chip U2, filter capacitor C2, filter capacitor C3, filter capacitor C4 and filter capacitor C5, the voltage input end Vin of voltage stabilizing chip U2 is connected with power supply, is connected in parallel to filter capacitor C3 and filter capacitor C5 between the voltage input end Vin of voltage stabilizing chip U2 and GND pin; The voltage output end Vout of voltage stabilizing chip U2 is connected with the voltage input end of LED control module, is connected in parallel to filter capacitor C2 and filter capacitor C4 between the voltage output end Vout of voltage stabilizing chip U2 and GND pin, and the GND pin of voltage stabilizing chip U2 connects in analog.As preferably, filter capacitor C3 and filter capacitor C4 is electrochemical capacitor.In voltage stabilizing circuit, filter capacitor C3 and C5 is input filter capacitor, and filter capacitor C2 is output filter capacitor, filter capacitor C4 while playing filtering, for LED control module provide input power-off after reset power.
In above-mentioned touch LED light adjusting circuit, described constant-current driven module comprises LED constant current driving chip U3 and peripheral circuit thereof, the voltage input end VIN of described LED constant current driving chip U3 is connected with power supply, resistance Ron is connected with between voltage input end VIN and RON pin, the signal fan-in DIM of LED constant current driving chip U3 is connected with the pwm signal output of LED control module, inductance L 1 and electric capacity C8 is in series with between the SW pin of LED constant current driving chip U3 and CS pin, LED load and electric capacity C8 are connected in parallel, resistance Rsns is connected with between LED load and ground, electric capacity Cb is connected between the SW pin of LED constant current driving chip U3 and BOOT pin, sustained diode 1 is connected between the SW pin of LED constant current driving chip U3 and ground, the VC pin of LED constant current driving chip U3 is by electric capacity Cf ground connection, the VIN pin of LED constant current driving chip U3 is by filter capacitor Cin ground connection, the GND pin ground connection of LED constant current driving chip U3.As preferably, electric capacity C8 is electrochemical capacitor, plays the effect filtered the output current.Electric capacity Cin is the shunt capacitance of input, and the electronic noise inside its energy filtering circuit, can filter the alternating component caused by ripple circuit; Electric capacity Cf is bypass weakening electric capacity, prevents the interference introduced by power supply and parasitic oscillation; The SW of U3 is switch pin, and it connects L1 and D1, L1 is energy storage effect, and D1 can prevent electric current from pouring in down a chimney.
Compared with prior art, this touch LED light adjusting circuit has the following advantages:
1, the utility model application circuit is simple, and peripheral components is few, easy to process, and cost is low.
2, the utility model can be isolated having medium; namely realize when touch panel insulation blocking touching dimming function; fail safe is high; and touching medium of the present utility model can select electrical insulating material or metal material, at touching medium thicker or touching medium is metal material time equally also can ensure touch sensitivity.
3, the anti-power supply disturbance of the utility model and mobile phone interference characteristic good, closely, under multi-angle mobile phone disturbed condition, touch-responsive sensitivity and reliability unaffected.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model.
In figure, 1, power supply; 2, voltage stabilizing circuit; 3, LED control module; 4, constant-current driven module; 5, LED load; 6, touch sensible module; 6a, touch sensible electrode.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this touch LED light adjusting circuit comprises power supply 1, voltage stabilizing circuit 2, touch sensible module 6, LED control module 3, constant-current driven module 4 and LED load 5, LED control module 3 comprises capacitance touch chip U1 and peripheral circuit thereof, voltage stabilizing circuit 2 comprises voltage stabilizing chip U2 and peripheral circuit thereof, constant-current driven module 4 comprises LED constant current driving chip U3 and peripheral circuit thereof, and touch sensible module 6 comprises the touch sensible electrode 6a for being connected with touch panel back, wherein, the touch sensible interface T0 of capacitance touch chip U1 is connected with touch sensible electrode 6a by wire, the pwm signal output OUT of capacitance touch chip U1 is connected with the signal input part DIM of LED constant current driving chip U3, the R_BIAS pin of capacitance touch chip U1 meets digitally DGND by sampling capacitance C1, the CS1 pin of capacitance touch chip U1, CS2 pin and CS3 pin are light-modulating mode option interface, the voltage input end VDD of capacitance touch chip U1 is connected with the voltage output end Vout of voltage stabilizing chip U2, the GND pin of capacitance touch chip U1 meets AGND in analog, the voltage input end Vin of voltage stabilizing chip U2 is connected with power supply 1, is connected in parallel to filter capacitor C3 and filter capacitor C5 between the voltage input end Vin of voltage stabilizing chip U2 and GND pin, be connected in parallel to filter capacitor C2 and filter capacitor C4 between the voltage output end Vout of voltage stabilizing chip U2 and GND pin, the GND pin of voltage stabilizing chip U2 connects in analog, the voltage input end VIN of LED constant current driving chip U3 is connected with power supply 1, resistance Ron is connected with between voltage input end VIN and RON pin, inductance L 1 and electric capacity C8 is in series with between the SW pin of LED constant current driving chip U3 and CS pin, LED load 5 and electric capacity C8 are connected in parallel, resistance Rsns is connected with between LED load 5 and ground, resistance Rsns is for adopting feedback resistance, electric capacity Cb is connected between the SW pin of LED constant current driving chip U3 and BOOT pin, sustained diode 1 is connected between the SW pin of LED constant current driving chip U3 and ground, the VC pin of LED constant current driving chip U3 is by electric capacity Cf ground connection, the VIN pin of LED constant current driving chip U3 is by filter capacitor Cin ground connection, the GND pin ground connection of LED constant current driving chip U3.
Specifically,
Preferably, be also connected with resistance R4 and resistance R5 between the signal input part of constant-current driven module 4 and the pwm signal output of LED control module 3, resistance R4 and resistance R5 is connected in series.Between constant-current driven module 4 and LED control module 3, contact resistance R4 and resistance R5 can when LED control module 3 output level be uncertain, during as high resistant, drive singal is made to drag down as off state, avoid resetting due to LED control module 3 or other faults cause constant-current driven module 4 to mislead, in order to avoid damage device.
As optimal way, be also connected with resistance R6 and resistance R7 between the signal input part of touch sensible electrode 6a and LED control module 3, resistance R6 and resistance R7 is connected in series.Contact resistance R6 and resistance R7 between touch sensible module 6 and LED control module 3, when there being the bulky capacitor inductions such as electrostatic, resistance R6 and resistance R7 can protect LED control module 3 from damage.
The material of touch panel is metal material, is also connected with electric capacity C6 and electric capacity C7 between the signal input part of touch sensible electrode 6a and LED control module 3, and electric capacity C6 and electric capacity C7 is connected in series.When the material of touch panel is metal material, access electric capacity C6 and electric capacity C7 can ensure the induction sensitivity touching light modulation.As preferably, between touch panel and touch sensible electrode 6a, be also connected with high-temperature insulation adhesive tape.By high-temperature insulation adhesive tape, can make to play insulating effect between metal touch panel and touch sensible electrode 6a, avoid the Conductivity of metal to touch the induction sensitivity of light modulation.
The material of touch panel is any one in the electrical insulating materials such as plastics, glass, pottery, acrylic, ABS and wood materials.
The thickness of touch panel is for being less than or equal to 10mm, and touch sensible electrode 6a is rounded and diameter is 5mm-16mm, and the size of touch sensible electrode 6a is directly proportional to the thickness size of touch panel.As preferably, the thickness of touch panel is to be no more than 3mm for the best.In touch light modulation, the size of touch sensible electrode 6a and the thickness of touch panel all can affect light modulation sensitivity, and the size of touch sensible electrode 6a is depending on touch panel Material texture and thickness.As touch panel adopt thickness be the plastic material of about 2mm time, the area of touch sensible electrode 6a should select diameter about 12mm.Excessive easy generation interference, too small easy insufficient sensitivity.Or with the non-conductive medium of more than 3mm, namely during electrical insulating material, the touch area of touch sensible electrode 6a is preferably at diameter about 15mm.
Preferably, the material of touch sensible electrode 6a is Copper Foil, and the material of wire is copper wire.Adopt Copper Foil and copper wire, there is touch sensible effective, highly sensitive advantage.
In this touch LED light adjusting circuit, the mode realizing light-modulating mode selection is: the CS1 pin of capacitance touch chip U1 is connected high level, and CS2 pin is unsettled, and CS3 pin connects low level, realizes band brightness and remembers stepless dimming pattern; The CS1 pin of capacitance touch chip U1 is connected high level, and CS2 pin is unsettled, and CS3 pin connects high level, realizes not being with brightness to remember stepless dimming pattern; The CS1 pin of capacitance touch chip U1 is connected low level, and CS2 pin connects low level, and CS3 pin connects high level, realizes three-stage dimming pattern.Stepless dimming refers to and brightness can be made by long to increase continuously by touch, user can according to oneself need be adjusted to comfortable brightness; Band memory stepless dimming pattern can when power supply 1 not power-off, and brightness when each point touching is turned off the light can be remembered, can using this brightness as original intensity when next point touching is turned on light.Three-stage dimming pattern, when each point touching, can realize the mode successively circulation change of lamplight brightness from low-light level, middle brightness, high brightness, extinguishing.
As another kind of preferred version, this touch LED light adjusting circuit also comprises control chip, the output of control chip is connected with the CS1 pin of capacitance touch chip U1 and CS3 pin, also switch key is connected with between the CS2 pin of capacitance touch chip U1 and ground, switch key is connected with the input of control chip, the selection of three kinds of light-modulating modes is realized by the operation of switch key, as when switch key is not pressed, control chip exports high level to CS1 pin, output low level, to CS3 pin, is defaulted as band brightness memory stepless dimming pattern; Switch key press double-click time, control chip carries high level signal respectively to CS1 pin and CS3 pin, realizes not being with brightness to remember stepless dimming pattern; When switch key is pressed, CS2 pin conveying low level signal, control chip conveying high level signal is to CS3 pin, and conveying low level signal, to CS1 pin, realizes three-stage dimming pattern.Control chip can select single-chip microcomputer.
As preferably, the sampling capacitance C1 in LED control module 3 is patch capacitor or electric capacity of the dacron.Adopt electric capacity C1 except selecting patch capacitor or electric capacity of the dacron, the electric capacity that other warm drift amounts are less can also be selected, with from externally temperature influence.
As preferably, in voltage stabilizing circuit 2, filter capacitor C3 and filter capacitor C4 is electrochemical capacitor.Filter capacitor C3 and C5 is input filter capacitor, and filter capacitor C2 is output filter capacitor, filter capacitor C4 while playing filtering, for LED control module 3 provide input power-off after reset power 1.
As preferably, the electric capacity C8 in constant-current driven module 4 is electrochemical capacitor, plays the effect filtered the output current.
As preferably, capacitance touch chip U1 adopts ADA01AL chip; Voltage stabilizing chip U2 adopts 7805 chips; LED constant current driving chip U3 adopts LM3404 integrated chip.
This touch LED light adjusting circuit control procedure is:
First light-modulating mode is selected, namely determine the input state of the CS1 pin of capacitance touch chip U1, CS2 pin and CS3 pin, at the CS1 pin access high level of capacitance touch chip U1, CS2 pin is unsettled, during CS3 pin access low level, light adjusting circuit is brightness memory stepless dimming pattern; At the CS1 pin access high level of capacitance touch chip U1, CS2 pin is unsettled, and during CS3 pin access high level, light adjusting circuit remembers stepless dimming pattern for not being with brightness; In the CS1 pin access low level of capacitance touch chip U1, CS2 pin access low level, during CS3 pin access high level, light adjusting circuit is three-stage dimming pattern.The acquiescence light-modulating mode of this touch LED light adjusting circuit is band brightness memory non-pole light regulating pattern, Fig. 1 is the circuit connection diagram of band brightness memory non-pole light regulating pattern, now for this light-modulating mode, switch on power 1 time, the pwm signal output OUT output low level of capacitance touch chip U1, lamp is go out state in pass; When touch panel effective touch action occurs and the touch time is less than 550ms, namely during point touching, the variable quantity signal of electric capacity is flowed to capacitance touch chip U1 by touch sensible electrode 6a, namely pwm signal output OUT overturns as high level, the light on and off realizing light control, one click touches, and lamp is bright; Point touching again, lamp goes out.The original intensity of lamplight brightness is fixed as maximum brightness.If touch event is greater than 550ms, namely long by when touching, pwm signal output OUT exports square-wave signal to constant-current driven chip U2 by starting, realize the stepless brightness regulation of light, one vice-minister is by touching, lamplight brightness increases gradually, when unclamping, lamplight brightness is parked in and unclamps brightness corresponding to moment, when power supply 1 not power-off, brightness when each point touching is turned off the light can be remembered, when next time, point touching was turned on light, brightness remains the memory value of last operation, using this brightness as original intensity, when power supply 1 power down, first time point touching switch after re-powering, original intensity is fixed as maximum brightness, if long temporally more than 3s, then lamplight brightness no longer changes after reaching high-high brightness, long again by touching, lamplight brightness reduces gradually, and when unclamping, lamplight brightness is parked in and unclamps brightness corresponding to moment, if long temporally more than 3s, then lamplight brightness no longer changes after reaching minimum brightness, so circulates.Wherein, point touching and long can at any time arbitrarily to use by touch, the interference-free and restriction of function each other.
When needs conversion light-modulating mode, change the input state of the CS1 pin of capacitance touch chip U1, CS2 pin and CS3 pin, also a key operation can be carried out by the input state of external control chip to the CS1 pin of capacitance touch chip U1, CS2 pin and CS3 pin, when light-modulating mode is chosen as without brightness memory stepless dimming pattern, its performance with measure that to remember stepless dimming pattern identical, just the lamplight brightness of last operation is not remembered; When being chosen as three-stage dimming pattern, once, brightness changes with the duty ratio of 10%, 50%, 100% every point touching, when brightness is 100% duty ratio, again turns off the light during point touching, so circulates.
This touch LED light adjusting circuit application circuit is simple, and peripheral components is few, easy to process, and cost is low; Can realize touch function when medium insulation blocking, fail safe is high, is applicable to LED desk lamp is applied.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a touch LED light adjusting circuit, it is characterized in that, described touch LED light adjusting circuit comprises power supply (1), voltage stabilizing circuit (2), touch sensible module (6), LED control module (3), constant-current driven module (4) and LED load (5), the voltage input end of described LED control module (3) is connected with power supply (1) by voltage stabilizing circuit (2), the pwm signal output of described LED control module (3) is connected with the signal input part of constant-current driven module (4), the voltage input end of described constant-current driven module (4) is connected with power supply (1), the current output terminal of constant-current driven module (4) is connected with LED load (5), described touch sensible module (6) comprises touch panel and touch sensible electrode (6a), described touch sensible electrode (6a) is connected with touch panel back, described touch sensible electrode (6a) is connected by the signal input part of wire with LED control module (3).
2. touch LED light adjusting circuit according to claim 1, it is characterized in that, resistance R4 and resistance R5 is also connected with between the signal input part of described constant-current driven module (4) and the pwm signal output of LED control module (3), described resistance R4 and resistance R5 is connected in series, also be connected with resistance R6 and resistance R7 between described touch sensible electrode (6a) and the signal input part of LED control module (3), described resistance R6 and resistance R7 is connected in series.
3. touch LED light adjusting circuit according to claim 2, is characterized in that, the material of described touch panel is metal material.
4. touch LED light adjusting circuit according to claim 3, it is characterized in that, also be connected with electric capacity C6 and electric capacity C7 between described touch sensible electrode (6a) and the signal input part of LED control module (3), described electric capacity C6 and electric capacity C7 is connected in series.
5. touch LED light adjusting circuit according to claim 2, is characterized in that, the material of described touch panel is electrical insulating material.
6. touch LED light adjusting circuit according to claim 5, is characterized in that, the material of described touch panel is choose any one kind of them in plastics, glass, pottery, acrylic, ABS and wood materials.
7. touch LED light adjusting circuit according to claim 6, it is characterized in that, described LED control module (3) comprises capacitance touch chip U1 and peripheral circuit thereof, the touch sensible interface T0 of described capacitance touch chip U1 is connected with touch sensible electrode (6a) by wire, the pwm signal output OUT of capacitance touch chip U1 is connected with the signal input part of constant-current driven module (4), the R_BIAS pin of capacitance touch chip U1 meets digitally DGND by sampling capacitance C1, the CS1 pin of capacitance touch chip U1, CS2 pin and CS3 pin are mode of operation option interface, the voltage input end VDD of capacitance touch chip U1 is connected with the voltage output end of voltage stabilizing circuit (2), the GND pin of capacitance touch chip U1 meets AGND in analog.
8. touch LED light adjusting circuit according to claim 7, is characterized in that, described sampling capacitance C1 is patch capacitor or electric capacity of the dacron.
9. touch LED light adjusting circuit according to any one of claim 1 to 6, it is characterized in that, the thickness of described touch panel is for being less than or equal to 10mm, touch sensible electrode (6a) is rounded and diameter is 5mm-16mm, and the size of touch sensible electrode (6a) is directly proportional to the thickness size of touch panel.
10. touch LED light adjusting circuit according to any one of claim 1 to 8, is characterized in that, the material of described touch sensible electrode (6a) is Copper Foil, and the material of described wire is copper wire.
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| CN201520632518.7U CN204993989U (en) | 2015-08-20 | 2015-08-20 | Touch LED dimmer circuit |
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| CN201520632518.7U CN204993989U (en) | 2015-08-20 | 2015-08-20 | Touch LED dimmer circuit |
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| CN105007675A (en) * | 2015-08-20 | 2015-10-28 | 浙江福森电子科技有限公司 | Touch-type LED dimming circuit |
| CN106304505A (en) * | 2016-10-10 | 2017-01-04 | 成都赛昂电子科技有限公司 | A kind of touch adjusting control circuit |
| CN106332366A (en) * | 2016-10-10 | 2017-01-11 | 成都赛昂电子科技有限公司 | Signal filtering type touch dimming control circuit with overcurrent protection function |
| CN106332365A (en) * | 2016-10-10 | 2017-01-11 | 成都赛昂电子科技有限公司 | Signal filtering touch dimming control circuit |
| CN106455212A (en) * | 2016-10-10 | 2017-02-22 | 成都赛昂电子科技有限公司 | Touching-type dimming control circuit based on overcurrent protection |
| CN107666744A (en) * | 2017-11-15 | 2018-02-06 | 贵派电器股份有限公司 | LED touch stepless dimming color-temperature regulating driving power and its control method |
| CN108698382A (en) * | 2016-12-20 | 2018-10-23 | 因塔斯株式会社 | Interior material and its manufacturing method |
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2015
- 2015-08-20 CN CN201520632518.7U patent/CN204993989U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007675A (en) * | 2015-08-20 | 2015-10-28 | 浙江福森电子科技有限公司 | Touch-type LED dimming circuit |
| CN106304505A (en) * | 2016-10-10 | 2017-01-04 | 成都赛昂电子科技有限公司 | A kind of touch adjusting control circuit |
| CN106332366A (en) * | 2016-10-10 | 2017-01-11 | 成都赛昂电子科技有限公司 | Signal filtering type touch dimming control circuit with overcurrent protection function |
| CN106332365A (en) * | 2016-10-10 | 2017-01-11 | 成都赛昂电子科技有限公司 | Signal filtering touch dimming control circuit |
| CN106455212A (en) * | 2016-10-10 | 2017-02-22 | 成都赛昂电子科技有限公司 | Touching-type dimming control circuit based on overcurrent protection |
| CN108698382A (en) * | 2016-12-20 | 2018-10-23 | 因塔斯株式会社 | Interior material and its manufacturing method |
| CN108698382B (en) * | 2016-12-20 | 2020-11-03 | 因塔斯株式会社 | Interior material and method for producing same |
| CN107666744A (en) * | 2017-11-15 | 2018-02-06 | 贵派电器股份有限公司 | LED touch stepless dimming color-temperature regulating driving power and its control method |
| CN107666744B (en) * | 2017-11-15 | 2024-02-23 | 贵派电器股份有限公司 | LED touch stepless dimming color temperature-adjusting driving power supply and control method thereof |
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