CN206525003U - A kind of touch three-stage dimming OLED desk lamps - Google Patents
A kind of touch three-stage dimming OLED desk lamps Download PDFInfo
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- CN206525003U CN206525003U CN201720158819.XU CN201720158819U CN206525003U CN 206525003 U CN206525003 U CN 206525003U CN 201720158819 U CN201720158819 U CN 201720158819U CN 206525003 U CN206525003 U CN 206525003U
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- touch
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- pwm
- stage dimming
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- 238000004146 energy storage Methods 0.000 claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims abstract description 16
- 230000006837 decompression Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 26
- 230000000694 effects Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The utility model is related to a kind of touch three-stage dimming OLED desk lamps, including touching drive circuit, DC DC drive circuits and three-stage dimming circuit, the touch drive circuit front end connection DC power supply, it is described to touch the 7805 types decompression chip that drive circuit includes being sequentially connected with DC power supply, ADA02S types touch chip, touchpad, the DC DC drive circuits include 8022 type pwm chips, switch metal-oxide-semiconductor, energy storage inductor, the three section type light regulating circuit includes the VDD with the pwm chip, the three-stage voltage leadage circuit of the energy storage inductor connection.The utility model Product Interface is simple and convenient to operate, and is that three-stage dimming can be achieved only with a soft-touch control.
Description
Technical field
The utility model is related to lighting technical field, and in particular to a kind of touch three-stage dimming OLED desk lamps.
Background technology
OLED has its unique advantage as lighting source：Face luminescence technology, not dazzling, free from glare, does not produce visual fatigue,
Effective pre- myopia prevention；Thoroughly remove the blue light harm in LED illumination；Without ultraviolet, skin will not be caused to decline, will not more attracted
Mosquito；Do not generate heat, it is radiationless, save 60-70% than LED.Therefore, OLED luminaire is gradually paid attention to by market.
In commercial, household light fixtures application scenario, switch uses button switch and mechanical switch mostly, and these switches are used
When it is easy to wear, and night need to ad-hoc location to touch switch, be difficult to find, it has not been convenient to use.Current three sections or multistage tune
The application mode of light using button or touch form, it is necessary to be realized in addition so that light fixture interface is complicated and messy, and increase
Production cost.
Utility model content
Technical problem to be solved in the utility model is that providing a kind of light fixture interface is simple and convenient to operate, only with one
Individual soft-touch control is the touch three-stage dimming OLED desk lamps that three-stage dimming can be achieved.
In order to solve the above technical problems, a kind of touch three-stage dimming OLED desk lamps that the utility model is provided, its feature
It is：Including touching drive circuit, DC-DC drive circuits and three-stage dimming circuit；
The touch drive circuit front end connection DC power supply, the touch drive circuit includes and direct current supply electricity
7805 types that source is sequentially connected are depressured chip, ADA02S types and touch chip, touchpad, the DC power supply and decompression chip
Between be connected to anti-reverse diode, filter capacitor one；Storage capacitor, filtered electrical are connected between the decompression chip and touch chip
Hold two, filter capacitor three；The input for touching chip is connected by touching resistance with touchpad, and output end passes through diode
First, resistance one is connected to pliotron one, the touch input each time for touching chip, corresponding output state flip one
It is secondary；The DC power supply is further connected with pliotron two, and the pliotron two is connected with pliotron one simultaneously,
Its output end is connected with oled panel.
The DC-DC drive circuits include 8022 type pwm chips, switch metal-oxide-semiconductor, energy storage inductor；The energy storage electricity
Feel and being connected with the ZCD of oled panel, switch metal-oxide-semiconductor and pwm chip；The VDD of the pwm chip passes through diode
Two and resistance two be connected with the pliotron two；The switch metal-oxide-semiconductor is by driving the DRV of resistance and pwm chip
Connect, be connected, connected by the CS of current-limiting resistance and the pwm chip with the pliotron two by storing stream diode
Connect；
The three section type light regulating circuit includes the three-stage being connected with VDD, the energy storage inductor of the pwm chip
Voltage leadage circuit；
Direct current supply is exported to the DC-DC drive circuits, warp by the touch drive circuit after filtered, decompression
The pwm chip is exported to three-stage dimming circuit connection, is controlled by detecting the PWM control chips vdd voltage
The PWM duty cycle of system switch metal-oxide-semiconductor, so as to realize three-stage dimming effect.
Further, the three-stage voltage leadage circuit is by the diode three and electricity that are sequentially connected with the energy storage inductor
Resistance three, filter capacitor four and the resistance four in parallel with the filter capacitor four are constituted.
Further, the current-limiting resistance is two resistance five in parallel.
Further, the energy storage inductor is further connected with accumulator, is connected with the pliotron two；
Further, the accumulator is resistance six and storage capacitor in parallel.
Further, the chip that touches for touching drive circuit is provided with two corresponding inputs and output end.
Touch three-stage dimming OLED desk lamps of the present utility model are integrated with touch drive circuit and three section type light regulating circuit,
It is that three-stage dimming can be achieved only with a soft-touch control, the operability of user interface is substantially increased, while reducing cost；
Touch manner, dimming mode, new organic light emission source OLED and light fixture are combined together and realize Multifunctional light-regulating, makes product structure
It is simpler, safe and reliable, simple to operate, and realize without stroboscopic.
Brief description of the drawings
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is circuit diagram of the present utility model.
Output waveform diagram when Fig. 2 is utility model works.
Embodiment
As shown in figure 1, a kind of touch three-stage dimming OLED desk lamps, including touch drive circuit 1, DC-DC drive circuits
3 and three-stage dimming circuit 2；
The touch drive circuit 1 front end connection DC power supply DC_IN, the touch drive circuit 1 include with it is straight
7805 types decompression chip U2, ADA02S type that stream power supply DC_IN is sequentially connected touches chip U1, touchpad TP1, described straight
Anti-reverse diode D1, the C3 of filter capacitor one are connected between stream power supply DC_IN and decompression chip U2；The decompression chip U2
Storage capacitor C4, the C1 of filter capacitor two, the C2 of filter capacitor three are connected between touch chip U1；The input for touching chip U1
End is connected by touching resistance R1 with touchpad TP1, and output end is connected to pliotron one by the D2 of diode one, the R6 of resistance one
Q2, the touch input each time of the touch chip U1, once, the touch chip is provided with two to corresponding output state flip
Corresponding input and output end, are TOUCH1 and OUT1 and TOUCH2 and OUT2 respectively, two-way, which is touched, to come into force simultaneously,
It does not interfere with each other；The DC power supply DC_IN be further connected with pliotron two Q1, the Q1 of pliotron two simultaneously with
The Q2 connections of pliotron one, its output end is connected by the C5 of storage capacitor one with oled panel；
The DC-DC drive circuits 3 include 8022 type pwm chip U3, switch metal-oxide-semiconductor Q3, energy storage inductor T1；It is described
Energy storage inductor T1 is connected with the ZCD of oled panel, switch metal-oxide-semiconductor Q3 and pwm chip U3；The pwm chip U3
VDD be connected by the D4 of the diode two and R7 of resistance two with the Q1 of pliotron two；The switch metal-oxide-semiconductor Q3 passes through driving
Resistance R9 is connected with pwm chip U3 DRV, is connected, passed through with the Q1 of pliotron two by storing stream diode D5
Current-limiting resistance is connected with the CS of the pwm chip U3, and the current-limiting resistance is two resistance R in parallelCS1、RCS2；It is described
Energy storage inductor T1 is further connected with accumulator, is connected with the Q1 of pliotron two, and the accumulator is resistance six in parallel
The R8 and C8 of storage capacitor two.
The three section type light regulating circuit includes three be connected with VDD, the energy storage inductor T1 of the pwm chip U3
Segmentation voltage leadage circuit；The three-stage voltage leadage circuit is by the diode three that is sequentially connected with the energy storage inductor T1
D6 and the R10 of resistance three, the C7 of filter capacitor four and the resistance four R11 composition in parallel with the C7 of filter capacitor four.
Direct current supply is exported to the DC-DC drive circuits 3 by the touch drive circuit 1 after filtered, decompression,
Exported through the pwm chip U3 to the three-stage dimming circuit 2, by detect the pwm chip U3VDD voltages come
Controlling switch metal-oxide-semiconductor Q3 PWM duty cycle, so as to realize three-stage dimming effect.
Specific work process is as follows：
When there is direct current supply to be inputted by DC power supply DC_IN, anti-reverse diode D1 is flowed through, then to filtered electrical
Hold after C3, supply U2 voltage reduction module output U1 chip VDD power supplys, filtered electric capacity C1, C2 and storage capacitor C4 then touch core
Piece U1 is in running order, touches circuit 1 and is in holding state, when touchpad TP1 has touch signal to be arrived by touching resistance R1
When touching chip U1 touch input end TOUCH1, the high electric frequency signal of touch output end OU1 outputs for touching chip U1 passes through two
The D2 of pole pipe one, the R6 of resistance one go driving power triode one Q2, the Q1 of pliotron two and the Q2 of pliotron one with emitter-base bandgap grading with
Turned on the mode of device, with the Q1 of pliotron two conducting, DC_IN high currents are direct by main line and the C5 of storage capacitor one
Participate in DC-DC drive circuits 3 and carry out HF switch output constant current, supply desk lamp lights oled panel, and pwm chip
U3 VDD is in parallel with the C7 of filter capacitor four by the D4 of diode two and the R7 of resistance two, filter capacitor four for connecting main line
The R11 of resistance four, constant current source is supplied to it, and now pwm chip U3 starts working, and detects whether its vdd voltage is more than 15V,
Normal just is just driven with 100% pwm signal output driving switch metal-oxide-semiconductor Q3, DC-DC drive circuit 3 with fully loaded output current
Dynamic oled panel lights, and brightness reaches most bright.When second of continuous touch action, during pass, pwm chip U3
Vdd terminal electric capacity power-down to 9V, now circuit enters the state being powered, and this when of its DRV exports the PWM letters of 70% dutycycle
Number driving switch MOS pipe Q3, energy storage inductor T1 energy storage equally also only have before 70% so that desk lamp send 70% it is bright
Degree；When the continuous touch action of third time, pwm chip U3 vdd terminal voltage is power-down to 4.5V, and now circuit, which enters, is powered
State, this when its DRV export 30% dutycycle pwm signal driving switch metal-oxide-semiconductor Q3, sent so as to load desk lamp
30% brightness.DC-DC drive circuits 2 are by switching MOS pipes Q3 by driving resistance R9 and pwm chip U3 DRV to connect
Connect, realize HF switch main circuit, two resistance R of switch metal-oxide-semiconductor Q3 source electrode connection parallel connectionCS1、RCS2Realize metering function,
Again by pwm chip U3 CS benchmark decision circuitry whether excessively stream, energy storage inductor T1 connections sustained diode 5, energy storage electricity
Hold C8, then the constant desk lamp operating current of circuit output is realized with combination switch metal-oxide-semiconductor Q3.TOUCH1 or TOUCH2 is touched each time,
Once, so circulation produces the Q1 of driving power triode two signal to correspondence OUT1 or OUT2 output state flip, reaches and carries
For the purpose of three-stage dimming circuit 2, the electric current of DC-DC drive circuits 3, so circulation is realized repeatedly touches three-stage dimming function, often
The output waveform of secondary touch is as shown in Figure 2.
Described above is exemplary rather than restricted.By described above skilled person realizes that originally
Many kinds of utility model change and deformed, and it will also fall within spirit and scope of the present utility model.
Claims (6)
1. a kind of touch three-stage dimming OLED desk lamps, it is characterised in that：Including touch drive circuit, DC-DC drive circuits and
Three-stage dimming circuit；
The touch drive circuit front end connection DC power supply, the touch drive circuit include with DC power supply according to
7805 types decompression chip, the ADA02S types of secondary connection touch chip, touchpad, between the DC power supply and decompression chip
It is connected to anti-reverse diode, filter capacitor one；Storage capacitor, filter capacitor are connected between the decompression chip and touch chip
2nd, filter capacitor three；The input for touching chip is connected by touching resistance with touchpad, and output end passes through diode
First, resistance one is connected to pliotron one, the touch input each time for touching chip, corresponding output state flip one
It is secondary；The DC power supply is further connected with pliotron two, and the pliotron two is connected with pliotron one simultaneously,
Its output end is connected by storage capacitor one with oled panel；
The DC-DC drive circuits include 8022 type pwm chips, switch metal-oxide-semiconductor, energy storage inductor；The energy storage inductor with
The ZCD connections of oled panel, switch metal-oxide-semiconductor and pwm chip；The VDD of the pwm chip passes through the He of diode two
Resistance two is connected with the pliotron two；It is described switch metal-oxide-semiconductor by drive resistance and pwm chip DRV connections,
It is connected, is connected by current-limiting resistance with the CS of the pwm chip with the pliotron two by storing stream diode；
The three section type light regulating circuit includes the three-stage voltage being connected with VDD, the energy storage inductor of the pwm chip
Leadage circuit；
Direct current supply is exported to the DC-DC drive circuits, through described by the touch drive circuit after filtered, decompression
Pwm chip is exported to the three-stage dimming circuit, by detecting the pwm chip vdd voltage come controlling switch MOS
The PWM duty cycle of pipe, so as to realize three-stage dimming effect.
2. touch three-stage dimming OLED desk lamps according to claim 1, it is characterised in that：The three-stage voltage is released
Circuit by the diode three and resistance three that are sequentially connected with the energy storage inductor, filter capacitor four and with the filter capacitor four simultaneously
The resistance four of connection is constituted.
3. touch three-stage dimming OLED desk lamps according to claim 1, it is characterised in that：The current-limiting resistance is parallel connection
Two resistance five.
4. touch three-stage dimming OLED desk lamps according to claim 1, it is characterised in that：The energy storage inductor is further connected with
Accumulator, is connected with the pliotron two.
5. touch three-stage dimming OLED desk lamps according to claim 4, it is characterised in that：The accumulator is parallel connection
Resistance six and storage capacitor two.
6. touch three-stage dimming OLED desk lamps according to claim 1, it is characterised in that：The touch drive circuit
Chip is touched provided with two corresponding inputs and output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158819.XU CN206525003U (en) | 2017-02-22 | 2017-02-22 | A kind of touch three-stage dimming OLED desk lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158819.XU CN206525003U (en) | 2017-02-22 | 2017-02-22 | A kind of touch three-stage dimming OLED desk lamps |
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| Publication Number | Publication Date |
|---|---|
| CN206525003U true CN206525003U (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720158819.XU Expired - Fee Related CN206525003U (en) | 2017-02-22 | 2017-02-22 | A kind of touch three-stage dimming OLED desk lamps |
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| Country | Link |
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| CN (1) | CN206525003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734788A (en) * | 2017-11-24 | 2018-02-23 | 山西高科华烨电子集团有限公司 | OLED lighting devices |
-
2017
- 2017-02-22 CN CN201720158819.XU patent/CN206525003U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734788A (en) * | 2017-11-24 | 2018-02-23 | 山西高科华烨电子集团有限公司 | OLED lighting devices |
| CN107734788B (en) * | 2017-11-24 | 2023-09-26 | 山西高科华杰光电科技有限公司 | OLED lighting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |