CN202931639U - LED lighting device and driving circuit, driving module and touch switch thereof - Google Patents
LED lighting device and driving circuit, driving module and touch switch thereof Download PDFInfo
- Publication number
- CN202931639U CN202931639U CN2012206126349U CN201220612634U CN202931639U CN 202931639 U CN202931639 U CN 202931639U CN 2012206126349 U CN2012206126349 U CN 2012206126349U CN 201220612634 U CN201220612634 U CN 201220612634U CN 202931639 U CN202931639 U CN 202931639U
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- touch
- resistance
- light modulation
- led
- modulation chip
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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
Abstract
The utility model discloses an LED lighting device and a driving circuit, a driving module and a touch switch thereof. The LED lighting device includes a direct current power supply, an LED lamp, and a touch switch. The direct current power supply inputs the direct voltage to the touch switch. The touch switch senses a touch signal and then outputs the direct voltage to the LED lamp. The touch switch can output different driving voltages according to the sensed different touch numbers. The intelligent touch control of the LED lighting device is realized, so a user can select the lamp brightness according to the actual lighting demand. Besides, the operation is convenient, the feel is excellent, and the touch control is realized.
Description
Technical field
The utility model relates to LED manufacturing technology field, relates in particular to a kind of LED lighting device and drive circuit, driver module and soft-touch control.
Background technology
At present, the control model of the conventional rectangular lighting of LED mainly realizes its switch by mechanical switch and Male/female connector.
1, mechanical switch is a kind of module of light on and off of the LED of control long strip shape lamp, one end of mechanical switch connects the DC power supply, the other end connects the rectangular light fixture of LED, its implementation is: the one end welding female terminal (being connected with power supply) on a PCB top, an other end welding male terminal (being connected with the rectangular light fixture of LED), the centre is welded with the mechanical switch of an ON/OFF function, weld complete after, the outside has individual plastic shell that it is wrapped up, by controlling the disconnected of machinery and opening, realize the light on and off of lamp.for example, Chinese patent literature CN202008034U open " a kind of LED fluorescent lamp ", it comprises the LED lamp plate, two termination plugs, the copper post, PCB power panel and tubulose containment vessel, plug and a revolving part in the middle of also comprising one, described revolving part is arranged between a termination plug and middle plug, be provided with the mechanical switch button on described revolving part, described revolving part inside is provided with control board, be provided with key switch on described control board, perhaps be provided with transmission lens on described revolving part, described revolving part inside is provided with control board, be provided with the inductive switch corresponding with described transmission lens position on described control board.Adopt mechanical switch that the rectangular light fixture of LED is controlled to have following defective: ⑴, only have two states when controlling the LED long strip shape lamp, 100% complete bright state and the state that entirely goes out so just can not be regulated the brightness of light according to user's needs, waste energy; ⑵ the control button of, mechanical switch is presented at the outside of switch, affects the outward appearance of whole LED light fixture; ⑶ what, mechanical switch adopted is that mechanical system is connected with female terminal with male terminal, easily loses efficacy after long-time the use, causes mechanical switch to start, and affects user's normal use.
2, adopt Male/female connector that the LED light fixture is controlled, for example, Chinese patent literature CN201487686U open " a kind of LED line lamp ", comprise line strip shell and lampshade, lamp bar and the driving power of LED are housed, lampshade and the shell formation fluorescent tube that is combined as a whole, the lamp bar is placed in one, driving power is connected with the lamp bar and the LED on the lamp bar provides power supply, be built-in with public connector at fluorescent tube one end, the other end is built-in with female connectors, be separately fixed at the shell inboard, and between lamp bar and shell inboard.LED line lamp two ends are built-in with Male/female connector, many LED line lamps can be coupled together like this to form a lamp band.Adopt this mode to have following defective: ⑴, also only have two states when controlling the LED long strip shape lamp, 100% complete bright state and the state that entirely goes out so just can not be regulated the brightness of light according to user's needs, waste energy; ⑵, user use very inconvenient, and each use all needs the free-hand operation of going.
The utility model content
One of them purpose of the present utility model is, provide a kind of the purpose of this utility model to be to solve the problems of the technologies described above, a kind of LED lighting device and drive circuit, driver module and soft-touch control are provided, its simple in structure, easy accessibility is realized intelligent touch control, and the user can be according to the lighting demand of reality, select the brightness of light fixture, easy to operate, good hand touch, touch can realize.
For reaching above-mentioned purpose, the utility model by the following technical solutions:
A kind of drive circuit of LED lighting device comprises: three terminal regulator, touch light modulation chip and metal-oxide-semiconductor field effect transistor;
The input of described three terminal regulator is connected with DC power supply by the first resistance, and the input of described three terminal regulator connects an end of the first electric capacity, the other end ground connection of described the first electric capacity; The earth terminal ground connection of described three terminal regulator; The output of described three terminal regulator connects the power positive end of described touch light modulation chip, to the driving voltage of described touch light modulation chip stable output;
The higher-order of oscillation input of described touch light modulation chip and the second resistance be connected the RC oscillating circuit that electric capacity forms and be connected; The sensitivity adjustment end of described touch light modulation chip connects an end of the 3rd electric capacity, the other end ground connection of described the 3rd electric capacity; The touch sensing signal input of described touch light modulation chip is connected with touch sheet by the 3rd resistance; The touch control output of described touch light modulation chip connects the grid of described metal-oxide-semiconductor field effect transistor by the 4th resistance; The source ground of described metal-oxide-semiconductor field effect transistor, drain electrode connects the negative pole of LED, and the positive pole of described LED connects described DC power supply.
Described the first resistance is 1206 Chip-Rs.
The resistance of described the second resistance is 24K Ω.
Described the 3rd resistance and the 4th resistance are 2K Ω.
Described touch light modulation chip is exported different pulse-width signals according to the different touch number of times of touch signal identification of input, controls the switching frequency of described metal-oxide-semiconductor field effect transistor.
A kind of driver module of LED lighting device comprises the printed circuit board (PCB) that touch sheet, male terminal, female terminal and according to claim 1-5 arbitrary described drive circuits are made, and described female terminal is the dc voltage input end mouth of module; Described male terminal is the Voltage-output port of module; Described touch sheet touch sensitive event is also exported touch signal to the touch light modulation chip of described drive circuit; The described printed circuit board (PCB) described touch signal of identification and output voltage.
A kind of LED lighting device soft-touch control comprises upper cover, lower cover and driver module claimed in claim 6; Two sides of described upper cover and lower cover contraposition respectively are provided with two half round cut, form two circular holes after combination; Described driver module is arranged in upper cover, and the male terminal of described driver module and female terminal lay respectively in the half round cut of upper cover both sides, and lower cover is screwed with upper cover and links, and the touch sheet of fixing rear described driver module is attached to described upper interior surface.
Described soft-touch control touches the different driving voltage of number of times output according to the difference of induction.
A kind of LED lighting device comprises DC power supply, LED light fixture and soft-touch control claimed in claim 7; Described DC power supply is to described soft-touch control input direct voltage, and after soft-touch control touch sensitive signal, output DC is depressed into described LED light fixture.
The beneficial effects of the utility model are: realize the intelligent touch control of LED lighting device, the user can select the brightness of light fixture according to the lighting demand of reality, and is easy to operate, good hand touch, and touch can realize.
Description of drawings
Fig. 1 is the circuit theory diagrams of a kind of LED lighting device drive circuit of providing of the utility model embodiment one.
Fig. 2 (a) and Fig. 2 (b) are the structure charts of a kind of LED lighting device driver module of providing of the utility model embodiment two.
Fig. 3 (a) is structure and the assembling schematic diagram of a kind of LED lighting device soft-touch control of providing of the utility model embodiment three to Fig. 3 (d).
Fig. 4 is the composition schematic diagram of a kind of LED lighting device of providing of the utility model embodiment four.
Embodiment
As shown in Figure 1, the utility model embodiment 1 provides a kind of drive circuit of LED lighting device, and this drive circuit comprises three terminal regulator 78L05, touches light modulation chip ADA01AL and metal-oxide-semiconductor field effect transistor Q1;
The input Vin of described three terminal regulator 78L05 is connected with direct current+24V power supply by the first resistance R 1, described R1 is 1206 resistance, after the voltage input of described direct current+24V, through resistance R 1 step-down, give three-terminal voltage-stabilizing 78L05 power supply, can satisfy the input voltage of three-terminal voltage-stabilizing 78L05 after step-down and want parameter request.
The input Vin of described three terminal regulator connects an end of the first capacitor C 1, the other end ground connection of described the first capacitor C 1; Described the first electric capacity is filter capacitor, prevents the input of outer signals interference 78L05, makes the stabilized input voltage of 78L05.
The earth terminal GND ground connection of described three terminal regulator; Output end vo ut connects the power positive end VDD pin of described touch light modulation chip ADA01AL, to the driving voltage of described touch light modulation chip ADA01AL stable output; The burning voltage of three terminal regulator 78L05 output direct current 5V drives described touch light modulation chip ADA01AL.
The higher-order of oscillation input OSCI pin of described touch light modulation chip and the second resistance R 2 be connected the RC oscillating circuit that capacitor C 2 forms and be connected.Described higher-order of oscillation input OSCI connects an end of described the second capacitor C 2, the other end ground connection of described the second capacitor C 2 by the second resistance R 2.Described RC oscillating circuit provides a frequency of oscillation input for described touch light modulation chip ADA01AL.The resistance of described the second resistance is preferably 24K Ω.
The sensitivity adjustment end VC1 pin of described touch light modulation chip connects an end of the 3rd capacitor C 3, the other end ground connection of described the 3rd capacitor C 3; By adjusting the size of C3, can adjust the sensitivity of described touch light modulation chip, described C3 is preferably 333 electric capacity, i.e. 0.033 microfarad.
The touch sensing signal input Touch_IN pin of described touch light modulation chip is connected with touch sheet Touch_Pod by the 3rd resistance R 3; Described the 3rd resistance R 3 resistances are preferably 2K Ω, and effect is to prevent that the input of the voltage of touch sheet from causing damage to described touch light modulation chip.
The touch control output OUTPUT pin of described touch light modulation chip connects the grid of described metal-oxide-semiconductor field effect transistor Q1 by the 4th resistance R 4; The resistance of described the 4th resistance is preferably 2K Ω, and series connection one resistance between output OUTPUT pin and metal-oxide-semiconductor field effect transistor can prevent that metal-oxide-semiconductor field effect transistor from disturbing described touch light modulation chip when the high voltage input is arranged.
The source ground of described metal-oxide-semiconductor field effect transistor Q1, drain electrode connects the negative pole of LED, and the positive pole of described LED connects described direct current+24V power supply.
4 programs of distinct pulse widths modulation signal that described touch light modulation chip itself is integrated for example are respectively 0,30%, 60%, 100%.When touch signal is inputted, touch the light modulation chip and can identify the different number of times that touch, access different pulse-width signal programs, export the pulse-width signal of different duty, remove to control the switching frequency of metal-oxide-semiconductor field effect transistor.Described pulse-width signal is high level (5V) and low level (0V) signal, and the time that the high level of each program and low level continue is different, during high level output, and the metal-oxide-semiconductor conducting, during low level output, the metal-oxide-semiconductor cut-off.When the metal-oxide-semiconductor conducting, LED lamp just energising is lighted, when metal-oxide-semiconductor ends, the outage of LED lamp is extinguished, and described drive circuit provides a high-low level frequently, the ceaselessly light on and off of LED lamp, because the frequency ratio of high-low level conversion is higher, the vision response LED lamp of human eye continues to light.The time that high level continues is longer, and the time of metal-oxide-semiconductor conducting is longer, and the LED lamp is longer bright average time, thereby reaches the purpose of controlling the brightness of LED lamp.
Fig. 2 (a) and Fig. 2 (b) are a kind of LED lighting device driver modules that the utility model embodiment 2 provides, and comprising: the printed circuit board (PCB) 23 that touch sheet 21, male terminal 22, female terminal 24 and drive circuit described according to the utility model embodiment one are made.
Described female terminal 24 is the dc voltage input end mouth of module, is used for external direct voltage source; Described male terminal 22 is the Voltage-output port of module, is used for to external LED light fixture output voltage; Described touch sheet 21 touch sensitive events are also exported the touch light modulation chip of touch signal to the described printed circuit board (PCB) 23; The described printed circuit board (PCB) 23 described touch signal of identification and output voltages export external LED light fixture to by male terminal 22.
Fig. 3 (a) is a kind of LED lighting device soft-touch control that the utility model embodiment three provides, and comprises the driver module 32 that upper cover 31, lower cover 33 and the utility model embodiment two provide; Two sides of described upper cover 31 and lower cover 33 contraposition respectively are provided with two half round cut 35, form two circular holes after combination; Described driver module 32 is arranged in upper cover 31, and as shown in Fig. 3 (b), the male terminal of described driver module 32 and female terminal lay respectively in the half round cut 35 of upper cover 31 both sides.By screw 34 fixed-link, as shown in Fig. 3 (c), the touch sheet 36 of fixing rear described driver module 32 is attached to described upper cover 31 inner surfaces to lower cover 33 with upper cover 31.While, silk-screen touched sign 37, as shown in Fig. 3 (d) at the correspondence position of the outer surface of upper cover 31.Described soft-touch control touches the different driving voltage of number of times output according to the difference of induction.
Fig. 4 is a kind of LED lighting device that the utility model embodiment four provides, and comprises the described soft-touch control 42 of DC power supply 41, LED light fixture 43 and the utility model embodiment three.Described DC power supply 41 is to described soft-touch control 42 input direct voltages, and after soft-touch control 42 touch sensitive signals, output DC is depressed into described LED light fixture 43, and described soft-touch control 42 can touch according to the difference of induction the different driving voltage of number of times output.
Adopt the technical solution of the utility model can realize the intelligent touch control of LED lighting device, the user can select the brightness of light fixture according to the lighting demand of reality, and is easy to operate, good hand touch, and touch can realize.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection range.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection range of the present utility model.
Claims (9)
1. the drive circuit of a LED lighting device, is characterized in that, comprising: three terminal regulator, touch light modulation chip and metal-oxide-semiconductor field effect transistor;
The input of described three terminal regulator is connected with DC power supply by the first resistance, and the input of described three terminal regulator connects an end of the first electric capacity, the other end ground connection of described the first electric capacity; The earth terminal ground connection of described three terminal regulator; The output of described three terminal regulator connects the power positive end of described touch light modulation chip, to the driving voltage of described touch light modulation chip stable output;
The higher-order of oscillation input of described touch light modulation chip and the second resistance be connected the RC oscillating circuit that electric capacity forms and be connected; The sensitivity adjustment end of described touch light modulation chip connects an end of the 3rd electric capacity, the other end ground connection of described the 3rd electric capacity; The touch sensing signal input of described touch light modulation chip is connected with touch sheet by the 3rd resistance; The touch control output of described touch light modulation chip connects the grid of described metal-oxide-semiconductor field effect transistor by the 4th resistance; The source ground of described metal-oxide-semiconductor field effect transistor, drain electrode connects the negative pole of LED, and the positive pole of described LED connects described DC power supply.
2. drive circuit as claimed in claim 1, is characterized in that, described the first resistance is 1206 Chip-Rs.
3. drive circuit as claimed in claim 1, is characterized in that, the resistance of described the second resistance is 24K Ω.
4. drive circuit as claimed in claim 1, is characterized in that, described the 3rd resistance and the 4th resistance are 2K Ω.
5. drive circuit as claimed in claim 1, is characterized in that, described touch light modulation chip is exported different pulse-width signals according to the different touch number of times of touch signal identification of input, controls the switching frequency of described metal-oxide-semiconductor field effect transistor.
6. the driver module of a LED lighting device, is characterized in that, comprises the printed circuit board (PCB) that touch sheet, male terminal, female terminal and according to claim 1-5 arbitrary described drive circuits are made, and described female terminal is the dc voltage input end mouth of module; Described male terminal is the Voltage-output port of module; Described touch sheet touch sensitive event is also exported touch signal to the touch light modulation chip of described drive circuit; The described printed circuit board (PCB) described touch signal of identification and output voltage.
7. a LED lighting device soft-touch control, is characterized in that, comprises upper cover, lower cover and driver module claimed in claim 6; Two sides of described upper cover and lower cover contraposition respectively are provided with two half round cut, form two circular holes after combination; Described driver module is arranged in upper cover, and the male terminal of described driver module and female terminal lay respectively in the half round cut of upper cover both sides, and lower cover is screwed with upper cover and links, and the touch sheet of fixing rear described driver module is attached to described upper interior surface.
8. soft-touch control as claimed in claim 7, is characterized in that, described soft-touch control touches the different driving voltage of number of times output according to the difference of induction.
9. a LED lighting device, is characterized in that, comprises DC power supply, LED light fixture and soft-touch control claimed in claim 7; Described DC power supply is to described soft-touch control input direct voltage, and after soft-touch control touch sensitive signal, output DC is depressed into described LED light fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206126349U CN202931639U (en) | 2012-11-19 | 2012-11-19 | LED lighting device and driving circuit, driving module and touch switch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206126349U CN202931639U (en) | 2012-11-19 | 2012-11-19 | LED lighting device and driving circuit, driving module and touch switch thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931639U true CN202931639U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206126349U Expired - Fee Related CN202931639U (en) | 2012-11-19 | 2012-11-19 | LED lighting device and driving circuit, driving module and touch switch thereof |
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| CN (1) | CN202931639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970799A (en) * | 2012-11-19 | 2013-03-13 | 深圳市华高芯源科技有限公司 | LED (Light Emitting Diode) lighting device and driving circuit, driving module and touch switch thereof |
-
2012
- 2012-11-19 CN CN2012206126349U patent/CN202931639U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970799A (en) * | 2012-11-19 | 2013-03-13 | 深圳市华高芯源科技有限公司 | LED (Light Emitting Diode) lighting device and driving circuit, driving module and touch switch thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20161119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |