CN202979388U - LED lamp touch control device - Google Patents

LED lamp touch control device Download PDF

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Publication number
CN202979388U
CN202979388U CN 201220628409 CN201220628409U CN202979388U CN 202979388 U CN202979388 U CN 202979388U CN 201220628409 CN201220628409 CN 201220628409 CN 201220628409 U CN201220628409 U CN 201220628409U CN 202979388 U CN202979388 U CN 202979388U
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CN
China
Prior art keywords
resistance
control
circuit
metal
led light
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Expired - Fee Related
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CN 201220628409
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Chinese (zh)
Inventor
伍铁军
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SHENZHEN CITY SIGNCOMPLEX SCIENCE AND TECHNOLOGY Co Ltd
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SHENZHEN CITY SIGNCOMPLEX SCIENCE AND TECHNOLOGY Co Ltd
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Abstract

The utility model relates to an LED lamp touch control device. The LED lamp touch control device comprises a metal housing, a comparing and amplifying unit, a control unit, an output interface unit and a power supply unit used for providing power for the comparing and amplifying unit and the control unit; an input end of the comparing and amplifying unit is connected with the metal housing and compares touch voltage generated when the metal housing is touched with reference voltage of another input end of the comparing and amplifying unit; the control unit is connected with an output of the comparing and amplifying unit and is used for receiving output signals of the comparing and amplifying unit and outputting control signals; and the output interface unit is connected with a set output end of the control unit and is used for the control signals and controlling the states of an LED lamp. The LED lamp touch control device of the utility model has the advantages of mall volume and low cost.

Description

A kind of LED light fixture touch control device
Technical field
The utility model relates to the light control field, more particularly, relates to a kind of LED light fixture touch control device.
Background technology
LED controller (LED controller) is exactly the switch by each position in chip processing controls LED circuit for lamp.Controller is controlled drive circuit again according to pre-set program makes LED array luminous regularly, thereby demonstrates word or figure.LED controller series is the RGB three look intelligent dimming controllers of a LED of being exclusively used in lamp decoration, adopts advanced computer control chip and present state-of-the-art PWM(pulse-width modulation) digitlization brightness regulation technology; Can be infrared with IR()/the RF(radio frequency) remote control comes the long distance light modulation; Can satisfy the light needs of different periods of business or domestic lighting and varying environment, extend the LED life-span, energy-conservation; Have easy-to-connect, use the advantages such as simple, can realize the light variation effects such as saltus step, gradual change according to client's actual demand.At present, the LED lamp controller has become one of modern lighting effects visual plant, and the most of function ratio of traditional touch controller is more, simultaneously volume also larger, cost is higher, exquisite not attractive in appearance.
The utility model content
The technical problems to be solved in the utility model is, the defective that above-mentioned volume is large, cost is higher for prior art provides a kind of small volume, lower-cost LED light fixture touch control device.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of LED light fixture touch control device, comprise metal shell, comparison amplifying unit, control unit, output interface unit and be used for to the power subsystem of described relatively amplifying unit and control unit power supply; One input of described relatively amplifying unit is connected with described metal shell, the reference voltage of the touch voltage when described metal shell is touched and described another input of comparison amplifying unit compares and enlarges; Described control unit is connected, is used for receiving the output signal of described relatively amplifying unit and exporting control signal with a described relatively output of amplifying unit; The input of described output interface unit is connected with the setting output of control unit, is used for the state that receives described control signal and control described LED light fixture.
In LED light fixture touch control device described in the utility model, described relatively amplifying unit comprises biasing circuit and voltage comparator circuit; Described biasing circuit comprises the 3rd resistance and the 4th resistance of serial connection, the link of described the 3rd resistance and the 4th resistance is connected with an input of described voltage comparator circuit, the other end of described the 3rd resistance is connected with the output of described power subsystem, the other end ground connection of described the 4th resistance.
In LED light fixture touch control device described in the utility model, described voltage comparator circuit comprises voltage comparator and inlet circuit; The link of described the 3rd resistance and the 4th resistance is connected with the inverting input of described voltage comparator and the voltage at the 4th resistance two ends after dividing potential drop is input to described inverting input as reference voltage; The 4th electric capacity and the 5th resistance that described inlet circuit comprises and connects, a link ground connection, another link of described the 4th electric capacity and the 5th resistance are connected with the in-phase input end of described voltage comparator, another link of described the 4th electric capacity and the 5th resistance also is connected with described metal shell, when described metal shell was touched, the touch voltage of its generation was input to described in-phase input end.
In LED light fixture touch control device described in the utility model, described voltage comparator circuit also comprises circuit of output terminal; Described circuit of output terminal comprise the 3rd diode and and the 9th resistance and the 9th electric capacity that connect; One link of described the 9th resistance and the 9th electric capacity is connected with the negative electrode of described the 3rd diode, its another link ground connection; The anode of described the 3rd diode is connected with an output of described voltage comparator.
In LED light fixture touch control device described in the utility model, one link of described the 9th resistance and the 9th electric capacity also is connected with an input of described control unit, the setting output of described control unit comprises sets the number control end, and described setting number control end is exported respectively different control signals according to the different conditions of an input level of described control unit.
In LED light fixture touch control device described in the utility model, described setting number control end is 3 control ends, and described 3 control ends are respectively the first control end, the second control end and the 3rd control end.
In LED light fixture touch control device described in the utility model, described output interface unit comprises the first output circuit, the second output circuit and the 3rd output circuit; Described the first output circuit comprises the 6th resistance and the first metal-oxide-semiconductor, and described the 6th resistance one end is connected with the grid of described the first metal-oxide-semiconductor, and the drain electrode of described the first metal-oxide-semiconductor is connected with described LED light fixture; Described the second output circuit comprises the 7th resistance and the second metal-oxide-semiconductor, and an end of described the 7th resistance is connected with the grid of described the second metal-oxide-semiconductor, and the drain electrode of described the second metal-oxide-semiconductor is connected with described LED light fixture; Described the 3rd output circuit comprises the 8th resistance and the 3rd metal-oxide-semiconductor, and an end of described the 8th resistance is connected with the grid of described the 3rd metal-oxide-semiconductor, and the drain electrode of described the 3rd metal-oxide-semiconductor is connected with described LED light fixture; The source electrode of the source electrode of the source electrode of described the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor connects and ground connection.
In LED light fixture touch control device described in the utility model, the other end of the other end of described the 6th resistance, the 7th resistance is connected with described the first control end, the second control end and the 3rd control end respectively with the other end of the 8th resistance.
In LED light fixture touch control device described in the utility model, described power subsystem comprises voltage stabilizing circuit and filter circuit; Described voltage stabilizing circuit comprises the first diode, the first resistance, the second resistance, the first electric capacity and voltage stabilizing didoe, described the first resistance be connected resistance and connect and are connected negative electrode with the negative electrode of described the first diode respectively and are connected in itself and the two ends that connect with voltage stabilizing didoe, the negative electrode of described the first diode also is connected with an end of described the first electric capacity, the other end of described the first electric capacity and the plus earth of described voltage stabilizing didoe, the anode of described the first diode is connected with the first DC power supply; The second electric capacity and the 3rd electric capacity that described filter circuit comprises and connects, described the second electric capacity and the 3rd electric capacity and an end that connects are connected with the negative electrode of described voltage stabilizing didoe, its another link ground connection, described the second electric capacity and the 3rd electric capacity and an end that connects also are connected with second source.
In LED light fixture touch control device described in the utility model, described the first power supply is direct current 12V or 24V, and described second source is direct current 5V, and described voltage stabilizing didoe is the 5.1V voltage stabilizing didoe.
implement LED light fixture touch control device of the present utility model, has following beneficial effect: after amplifying unit is compared in the metal shell access, when the human body touch metal shell, the biological static of human body causes that minute current changes, minute current changes the touch voltage of the variation that produces and given reference voltage compares and enlarges, result after relatively amplifying unit will relatively amplify outputs to an input of control unit, control unit is according to the length of an above-mentioned input level translation duration, make the response of switch or switch mode, static touching technique and circuit structure are simple owing to using, saved material, so its small volume, cost is lower.
Description of drawings
Fig. 1 is the structural representation of the utility model LED light fixture touch control device;
Fig. 2 is the structural representation of power subsystem in described embodiment;
Fig. 3 compares the structural representation of amplifying unit in described embodiment;
Fig. 4 is the structural representation of control unit in described embodiment;
Fig. 5 is the structural representation of output interface unit in described embodiment.
Embodiment
Can understand and implement the utility model for the ease of those of ordinary skill in the art, below in conjunction with accompanying drawing, the utility model embodiment is described further.
In the present embodiment, the structural representation of LED light fixture touch control device as shown in Figure 1.In Fig. 1, this control device comprises metal shell (not shown), comparison amplifying unit 1, control unit 2, output interface unit 3 and power subsystem 4, and wherein power subsystem 4 is used for to relatively amplifying unit 1 and control unit 2 power supplies; An input that compares amplifying unit 1 is connected with metal shell, the touch voltage when metal shell is touched compares and enlarges with the reference voltage that compares amplifying unit 1 another input; Control unit 2 is connected with an output that compares amplifying unit 1, is used for receiving the output signal that compares amplifying unit 1 and exporting control signal; The input of output interface unit 3 is connected with the setting output of control unit 2, is used for reception control signal and controls the state of LED light fixture.In the present embodiment, metal shell is stainless steel casing, and what shell was done is mini and exquisite, brief and remarkable, and certainly, under the certain situation of the present embodiment, metal shell also can adopt other metal materials.
Fig. 2 is the structural representation of power subsystem in the present embodiment.in Fig. 2, power subsystem 4 comprises voltage stabilizing circuit and filter circuit, wherein, voltage stabilizing circuit comprises the first diode D1, the first resistance R 1, the second resistance R 2, the first capacitor C 1 and voltage stabilizing didoe D2, the first resistance R 1 be connected resistance R 2 and connect and and the two ends that connect be connected negative electrode with voltage stabilizing didoe D2 with the negative electrode of the first diode D1 respectively and be connected, namely the first resistance R 1 be connected the end that resistance R 2 connects and be connected with the negative electrode of the first diode D1, the first resistance R 1 be connected the other end that resistance R 2 connects and be connected with the negative electrode of voltage stabilizing didoe D2, the negative electrode of the first diode D1 also is connected with an end of the first capacitor C 1, the plus earth of the other end of the first capacitor C 1 and voltage stabilizing didoe D2, the anode of the first diode D1 is connected with the first DC power supply VCC, above-mentioned filter circuit comprises the second capacitor C 2 and the 3rd capacitor C 3, the second capacitor C 2 and the 3rd capacitor C 3 also connect, the second capacitor C 2 and the 3rd capacitor C 3 and an end that connects are connected with the negative electrode of voltage stabilizing didoe D2, its another link ground connection, the second capacitor C 2 and the 3rd capacitor C 3 and an end that connects also are connected with second source.In the present embodiment, the first power supply VCC is direct current 12V or 24V, and second source is direct current 5V, and voltage stabilizing didoe D2 is the 5.1V voltage stabilizing didoe.Voltage stabilizing circuit is depressured to 5.1V with direct current 12V or 24V, obtains the 5V DC power supply through after filtering, and the 5V DC power supply is to relatively amplifying unit 1 and control unit 2 power supplies.
Fig. 3 compares the structural representation of amplifying unit in the present embodiment.In Fig. 3, relatively amplifying unit 1 comprises biasing circuit and voltage comparator circuit; Wherein, biasing circuit comprises the 3rd resistance R 3 and the 4th resistance R 4, the 3rd resistance R 3 and the 4th resistance R 4 serial connections, and the link of the 3rd resistance R 3 and the 4th resistance R 4 is connected with an input of voltage comparator circuit, the other end of the 3rd resistance R 3 is connected with the output of power subsystem 4, namely the other end of the 3rd resistance R 3 is connected with the 5V DC power supply, the other end ground connection of the 4th resistance R 4, and the 5V DC power supply is used to the biasing circuit power supply.
Voltage comparator circuit comprises voltage comparator U1 and inlet circuit; The link of the 3rd resistance R 3 and the 4th resistance R 4 is connected with the inverting input of voltage comparator U1 and the voltage at the 4th resistance two ends after dividing potential drop is input to the inverting input of voltage comparator U1 as reference voltage; That is to say, the 3rd resistance R 3 and the 4th resistance R 4 are divider resistance, and the 5V DC power supply is carried out dividing potential drop, and the voltage at the 4th resistance R 4 two ends is input to the inverting input of voltage comparator U1 as reference voltage.Inlet circuit comprises the 4th capacitor C 4 and the 5th resistance R 5, the 4th capacitor C 4 and the 5th resistance R 5 also connect, and another link KEY of a link ground connection of the 4th capacitor C 4 and the 5th resistance R 5, the 4th capacitor C 4 and the 5th resistance R 5 is connected with the in-phase input end of voltage comparator U1, the 4th capacitor C 4 also is connected with metal shell with another link of the 5th resistance R 5, in figure, when metal shell was touched, the touch voltage of its generation was input to the in-phase input end of voltage comparator U1.Certainly, in the other situation, also reference voltage can be input to the in-phase input end of voltage comparator U1, touch voltage be input to the inverting input of voltage comparator U1, certainly, at this moment concrete circuit connecting relation is corresponding changes.
Voltage comparator circuit also comprises circuit of output terminal; Circuit of output terminal comprises the 3rd diode D3, the 9th resistance R 9 and the 9th capacitor C 9, wherein, the 9th resistance R 9 and the 9th capacitor C 9 also connect, one link T_KEY of the 9th resistance R 9 and the 9th capacitor C 9 is connected with the negative electrode of the 3rd diode D3, another link ground connection of the 9th resistance R 9 and the 9th capacitor C 9; The anode of the 3rd diode D3 is connected with the output of voltage comparator U1.In the present embodiment, voltage comparator U1 adopts integrated transporting discharging LM358, and its 8th pin connects the 5V DC power supply.Certainly, in some cases, voltage comparator U1 also can adopt other to have the integrated transporting discharging of similar functions.When human body (finger) touches metal shell, can cause the slight change of electric current, the slight change meeting of electric current causes the variation of touch voltage, voltage comparator U1 compares touch voltage and reference voltage and operation result is exported after amplifying computing.In the present embodiment, touch voltage is greater than reference voltage, and voltage comparator U1 exports high level; When human body did not touch metal shell, the touch voltage that is added in the in-phase input end of voltage comparator U1 was 0, and namely at this moment touch voltage is less than reference voltage, voltage comparator U1 output low level.
Fig. 4 is the structural representation of control unit in the present embodiment, in Fig. 4, one link T_KEY of the 9th resistance R 9 and the 9th capacitor C 9 also is connected with an input of control unit 2, the setting output of control unit 2 comprises sets the number control end, sets the number control end and exports respectively different control signals according to the different conditions of an input level of control unit 2.In the present embodiment, control unit 2 adopts the single-chip microprocessor-MA86X104 based on 8051 efficient 1-T structure, one link T_KEY of the 9th resistance R 9 and the 9th capacitor C 9 is connected with the 4th pin of control unit, the setting number control end of control unit 2 is 3 control ends, these 3 control ends are respectively the first control end, the second control end and the 3rd control end, in the present embodiment, the 7th pin of control unit 2, the 6th pin and the 5th pin are respectively the first control end, the second control end and the 3rd control end.Certainly, in some cases, control unit also can adopt the chip with similar functions.
Fig. 5 is the structural representation of output interface unit in the present embodiment, and in Fig. 5, output interface unit 3 comprises the first output circuit, the second output circuit and the 3rd output circuit; Wherein, the first output circuit comprises the 6th resistance R 6 and the first metal-oxide-semiconductor Q1, and the 6th resistance R 6 one ends are connected with the grid of the first metal-oxide-semiconductor Q1, and the drain electrode of the first metal-oxide-semiconductor Q1 is connected with the LED light fixture; The second output circuit comprises the 7th resistance R 7 and the second metal-oxide-semiconductor Q1, and an end of the 7th resistance R 7 is connected with the grid of the second metal-oxide-semiconductor Q2, and the drain electrode of the second metal-oxide-semiconductor Q2 is connected with the LED light fixture; The 3rd output circuit comprises the 8th resistance R 8 and the 3rd metal-oxide-semiconductor Q3, and an end of the 8th resistance R 8 is connected with the grid of the 3rd metal-oxide-semiconductor Q3, and the drain electrode of the 3rd metal-oxide-semiconductor Q3 is connected with the LED light fixture; The source electrode of the source electrode of the source electrode of the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q1 and the 3rd metal-oxide-semiconductor Q3 connects and ground connection.The other end of the other end of the other end of the 6th resistance R 6, the 7th resistance R 7 and the 8th resistance R 8 is connected with the first control end, the second control end and the 3rd control end respectively, also namely is connected with the 7th pin, the 6th pin and the 5th pin of control unit 2 respectively.In the present embodiment, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3 are the N-channel MOS pipe.In the present embodiment, the LED light fixture is the RGB light fixture, the control signal of control unit 2 outputs is the RGB control signal, this RGB control signal is the pwm signal of frequency 500Hz, in order to regulate the duty ratio of RGB three primary colors, the control information that the 7th pin of control unit 2, the 6th pin and the 5th pin are exported respectively R, G and B.During wiring, the drain electrode of the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3 is received respectively in the corresponding R wiring of LED light fixture, G wiring and B wiring.Certainly, the control information that the 7th pin of control unit 2, the 6th pin and the 5th pin are exported respectively any color can arrange as the case may be.
In the present embodiment, when the human body touch metal shell, touch voltage is greater than reference voltage, control unit 2 the 4th pin port is high level, when the touch time during at 0.1 second-1 second, the first metal-oxide-semiconductor Q1 in output interface unit 3, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor Q3 are on off state, at this moment the LED light fixture switches between light on and off, when state that metal-oxide-semiconductor is in out, the RGB duty ratio immobilizes, and the bright and color of LED light fixture immobilizes, when metal-oxide-semiconductor is in the state of pass, the RGB duty ratio is that 0, LED light fixture goes out.During greater than 1 second, 3 control end output pwm signals of control unit 2 are regulated the duty ratio of RGB when the touch time, and the duty ratio of RGB is changing always, and at this moment the color of LED light fixture is in the gradual change state.When human body left metal shell, the RGB duty ratio no longer changed, and at this moment the color of LED light fixture no longer changes, if human body touches metal shell again one time, the LED light fixture goes out.Certainly, can regulate according to specific needs in above-mentioned 1 second.
In a word, in the present embodiment, with the stainless steel casing place in circuit, when the human body touch stainless steel casing, the voltage of the biological generation of static electricity of human body and reference voltage (magnitude of voltage is fixed) via voltage comparator U1 relatively after, high level or the low level of output are sent into control unit 2, and control unit 2 changes the length of duration by judgement port level, makes the response of switch or switch mode.Control unit 2 is controlled the on off state of metal-oxide-semiconductor by sending the RGB control signal, adjust the RGB duty ratio, reaches the purpose of regulating lamp brightness and color.In addition, touch LED light fixture of stainless steel casing bright, then touch a LED light fixture and go out; Bright and touch time of LED light fixture, when surpassing 1 second, the LED fixture color was switched between monochromatic static state and two kinds of patterns of RGB gradual change.Can control the LED product of most conventional low pressure RGB with the LED light fixture touch control device of smaller size smaller and exquisite outward appearance.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims (10)

1. a LED light fixture touch control device, is characterized in that, comprises metal shell, comparison amplifying unit, control unit, output interface unit and be used for to the power subsystem of described relatively amplifying unit and control unit power supply; One input of described relatively amplifying unit is connected with described metal shell, the reference voltage of the touch voltage when described metal shell is touched and described another input of comparison amplifying unit compares and enlarges; Described control unit is connected, is used for receiving the output signal of described relatively amplifying unit and exporting control signal with a described relatively output of amplifying unit; The input of described output interface unit is connected with the setting output of control unit, is used for the state that receives described control signal and control described LED light fixture.
2. LED light fixture touch control device according to claim 1, is characterized in that, described relatively amplifying unit comprises biasing circuit and voltage comparator circuit; Described biasing circuit comprises the 3rd resistance and the 4th resistance of serial connection, the link of described the 3rd resistance and the 4th resistance is connected with an input of described voltage comparator circuit, the other end of described the 3rd resistance is connected with the output of described power subsystem, the other end ground connection of described the 4th resistance.
3. LED light fixture touch control device according to claim 2, is characterized in that, described voltage comparator circuit comprises voltage comparator and inlet circuit; The link of described the 3rd resistance and the 4th resistance is connected with the inverting input of described voltage comparator and the voltage at the 4th resistance two ends after dividing potential drop is input to described inverting input as reference voltage; The 4th electric capacity and the 5th resistance that described inlet circuit comprises and connects, a link ground connection, another link of described the 4th electric capacity and the 5th resistance are connected with the in-phase input end of described voltage comparator, another link of described the 4th electric capacity and the 5th resistance also is connected with described metal shell, when described metal shell was touched, the touch voltage of its generation was input to described in-phase input end.
4. LED light fixture touch control device according to claim 3, is characterized in that, described voltage comparator circuit also comprises circuit of output terminal; Described circuit of output terminal comprise the 3rd diode and and the 9th resistance and the 9th electric capacity that connect; One link of described the 9th resistance and the 9th electric capacity is connected with the negative electrode of described the 3rd diode, its another link ground connection; The anode of described the 3rd diode is connected with an output of described voltage comparator.
5. LED light fixture touch control device according to claim 4, it is characterized in that, one link of described the 9th resistance and the 9th electric capacity also is connected with an input of described control unit, the setting output of described control unit comprises sets the number control end, and described setting number control end is exported respectively different control signals according to the different conditions of an input level of described control unit.
6. LED light fixture touch control device according to claim 5, is characterized in that, described setting number control end is 3 control ends, and described 3 control ends are respectively the first control end, the second control end and the 3rd control end.
7. LED light fixture touch control device according to claim 6, is characterized in that, described output interface unit comprises the first output circuit, the second output circuit and the 3rd output circuit; Described the first output circuit comprises the 6th resistance and the first metal-oxide-semiconductor, and described the 6th resistance one end is connected with the grid of described the first metal-oxide-semiconductor, and the drain electrode of described the first metal-oxide-semiconductor is connected with described LED light fixture; Described the second output circuit comprises the 7th resistance and the second metal-oxide-semiconductor, and an end of described the 7th resistance is connected with the grid of described the second metal-oxide-semiconductor, and the drain electrode of described the second metal-oxide-semiconductor is connected with described LED light fixture; Described the 3rd output circuit comprises the 8th resistance and the 3rd metal-oxide-semiconductor, and an end of described the 8th resistance is connected with the grid of described the 3rd metal-oxide-semiconductor, and the drain electrode of described the 3rd metal-oxide-semiconductor is connected with described LED light fixture; The source electrode of the source electrode of the source electrode of described the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor connects and ground connection.
8. LED light fixture touch control device according to claim 7, is characterized in that, the other end of the other end of described the 6th resistance, the 7th resistance is connected with described the first control end, the second control end and the 3rd control end respectively with the other end of the 8th resistance.
9. LED light fixture touch control device according to claim 8, is characterized in that, described power subsystem comprises voltage stabilizing circuit and filter circuit; Described voltage stabilizing circuit comprises the first diode, the first resistance, the second resistance, the first electric capacity and voltage stabilizing didoe, described the first resistance be connected resistance and connect and are connected negative electrode with the negative electrode of described the first diode respectively and are connected in itself and the two ends that connect with voltage stabilizing didoe, the negative electrode of described the first diode also is connected with an end of described the first electric capacity, the other end of described the first electric capacity and the plus earth of described voltage stabilizing didoe, the anode of described the first diode is connected with the first DC power supply; The second electric capacity and the 3rd electric capacity that described filter circuit comprises and connects, described the second electric capacity and the 3rd electric capacity and an end that connects are connected with the negative electrode of described voltage stabilizing didoe, its another link ground connection, described the second electric capacity and the 3rd electric capacity and an end that connects also are connected with second source.
10. LED light fixture touch control device according to claim 9, is characterized in that, described the first power supply is direct current 12V or 24V, and described second source is direct current 5V, and described voltage stabilizing didoe is the 5.1V voltage stabilizing didoe.
CN 201220628409 2012-11-23 2012-11-23 LED lamp touch control device Expired - Fee Related CN202979388U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112305955A (en) * 2019-08-13 2021-02-02 北京字节跳动网络技术有限公司 Control signal generation method, device, equipment and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112305955A (en) * 2019-08-13 2021-02-02 北京字节跳动网络技术有限公司 Control signal generation method, device, equipment and storage medium

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