CN205090326U - LED table lamp that can adjust temperature and adjust luminance - Google Patents
LED table lamp that can adjust temperature and adjust luminance Download PDFInfo
- Publication number
- CN205090326U CN205090326U CN201520897590.2U CN201520897590U CN205090326U CN 205090326 U CN205090326 U CN 205090326U CN 201520897590 U CN201520897590 U CN 201520897590U CN 205090326 U CN205090326 U CN 205090326U
- Authority
- CN
- China
- Prior art keywords
- double
- led
- light source
- colored temperature
- temp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a LED table lamp that can adjust temperature and adjust luminance, includes base, lamp holder and is used for connecting the lamp holder with the lamp pole of base, the lamp holder embeds there is double -colored temperature COB the light source device, the base is provided with control double -colored temperature COB the light source device's double -colored temperature dimming control device, double -colored temperature dimming control device includes power transformer, LED driver and LED panel controller, power transformer with place in the LED driver the base, the LED panel controller set up in the surface of base. The utility model provides a LED table lamp that can adjust temperature and adjust luminance has the function of adjusting the colour temperature, shining angle and light intensity.
Description
Technical field
The utility model relates to field of lighting devices, particularly relates to a kind of LED desk lamp of temp. controllable light modulation.
Background technology
Along with the market of LED product constantly expands, LED is called as forth generation lighting source or green light source, there is the features such as energy-saving and environmental protection, the life-span is long, volume is little, be widely used in the fields such as various instruction, display, decoration, backlight, general lighting and urban landscape.
Because of its light stability and light is soft, therefore also widely apply in desk lamp.But in the application of desk lamp, its advantage does not also give full play to, the most structure of desk lamp in the middle of prior art is single, light source unidirectional emission, long-time use usually causes the situation of eye fatigue discomfort, illuminating effect cannot meet the requirement of diversified demand and illumination, therefore needs exploitation one class new product to improve above-mentioned weak point.
Summary of the invention
The purpose of this utility model is to propose a kind of LED desk lamp with the temp. controllable light modulation of the function regulating colour temperature, irradiating angle and light intensity.
For reaching this object, the utility model by the following technical solutions:
A LED desk lamp for temp. controllable light modulation, comprises base, lamp holder and the lamp stand for connecting described lamp holder and described base; Described lamp holder is built-in with double-colored temperature COB light source device, and described base is provided with the double-colored temperature light adjusting and controlling device controlling described double-colored temperature COB light source device; The colour temperature adjustable range value of described double-colored temperature COB light source device is 3000-6000K;
Described double-colored temperature light adjusting and controlling device comprises power transformer, LED driver and LED panel controller; Described power transformer and described LED driver are built in described base, and described LED panel controller is arranged at the surface of described base;
Described double-colored temperature COB light source device comprises housing, radiator, convex lens, double-colored temperature COB light source and protecgulum; Described housing is fixed on described radiator, and described double-colored temperature COB light source is located in housing, and described convex lens are fixed on described protecgulum, and described protecgulum and described housing connect to form two circle rotation regulating mechanism.
Further illustrate, described protecgulum comprises rotating ring, loose collar and locating snap ring; Described locating snap ring is fixed in described rotating ring, and forms array internal thread with described rotating ring, and described loose collar is placed in inside described rotating ring, and be provided with the salient point that several and described internal thread matches, described convex lens are fixed on described loose collar.
Further illustrate, the outside of described rotating ring is provided with annular groove; Described housing is provided with and stretches into described annular groove and limit described rotating ring and can only do the position limiting structure of relative rotary motion with described housing.
Further illustrate, described loose collar is provided with several lead near the end of described radiator, and the pilot hole of described lead and described radiator matches merging can along described pilot hole axially-movable.
Preferably, described position limiting structure is two or more nibbed screw, is distributed in described hull outside.
Further illustrate, described double-colored temperature COB light source is fixed on described radiator by being connected to circuit board, and is located in housing.
Further illustrate, described LED panel controller is toughened glass panel touch-screen.
The beneficial effects of the utility model: the LED desk lamp of described a kind of temp. controllable light modulation has the function regulating colour temperature, irradiating angle and light intensity; Described power transformer and described LED driver are built in described base, be respectively used to electric power and control voltage are provided and carry out light modulation and color temperature, thus reach the function becoming light or variable color, produce the soft photochromic of access expansion light and improve the comfort level of eyes; According to the principle of convex lens zoom, change the distance of convex lens and described light source, thus regulate the range of exposures of described double-colored temperature COB light source.
Accompanying drawing explanation
Fig. 1 is the LED table lamp structure schematic diagram of the utility model embodiment;
Fig. 2 is the cross-sectional view of the double-colored temperature COB light source device of the utility model embodiment;
Fig. 3 is the stereo decomposing structural representation of the double-colored temperature COB light source device of the utility model embodiment;
Fig. 4 is the fundamental diagram of the LED desk lamp of the utility model embodiment;
Fig. 5 is the light modulation toning circuit diagram of the LED desk lamp of the utility model embodiment;
Fig. 6 is LED desk lamp " light modulation " the PWM control principle schematic diagram of the utility model embodiment;
Fig. 7 is the curent change schematic diagram of the LED desk lamp LED driver 52 of the utility model embodiment;
Fig. 8 is LED desk lamp " toning " the PWM control principle schematic diagram of the utility model embodiment;
Wherein: base 1, lamp holder 2, lamp stand 3, double-colored temperature COB light source device 4, housing 41, position limiting structure 411, radiator 42, pilot hole 421, circuit board 422, convex lens 43, double-colored temperature COB light source 44, rotating ring 45, annular groove 451, loose collar 46, salient point 461, lead 462, locating snap ring 47, double-colored temperature light adjusting and controlling device, power transformer 51, LED driver 52, LED panel controller 53,0 brightness a, 25 brightness b, 50 brightness c, 100 brightness d, bright √, go out ×.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
A LED desk lamp for temp. controllable light modulation, comprises base 1, lamp holder 2 and the lamp stand 3 for connecting described lamp holder 2 and described base 1; Described lamp holder 2 is built-in with double-colored temperature COB light source device 4, and described base 1 is provided with the double-colored temperature light adjusting and controlling device controlling described double-colored temperature COB light source device 4; The colour temperature adjustable range value of described double-colored temperature COB light source device 4 is 3000-6000K;
Described double-colored temperature light adjusting and controlling device comprises power transformer 51, LED driver 52 and LED panel controller 53; Described power transformer 51 and described LED driver 52 are built in described base 1, and described LED panel controller 53 is arranged at the surface of described base 1;
Described double-colored temperature COB light source device 4 comprises housing 41, radiator 42, convex lens 43, double-colored temperature COB light source 44 and protecgulum; Described housing 41 is fixed on described radiator 42, and described double-colored temperature COB light source 44 is located in housing 41, and described convex lens 43 are fixed on described protecgulum, and described protecgulum and described housing 41 connect to form two circle rotation regulating mechanism.
The LED desk lamp of a kind of temp. controllable light modulation that the utility model proposes has the function regulating colour temperature, irradiating angle and light intensity.Described power transformer 51 and described LED driver 52 are built in described base 1, be respectively used to electric power and control voltage are provided and carry out light modulation and color temperature, its operation principle is: when power transformer 51 exports direct current, when staff touches described LED panel controller 53, its LED panel controller 53 just can export two-way pwm control signal and convey to LED driver 52, LED driver 52 thus produce the analog signal of big current and convey to double-colored temperature COB light source 44, produces and becomes light or variable color.According to the principle of convex lens 43 zoom, by two circle rotation regulating mechanisms that described protecgulum and described housing 41 form, described convex lens 43 can be moved up and down in the vertical direction, change the distance of convex lens 43 and described light source, reach the object of focusing, thus regulate the range of exposures of described double-colored temperature COB light source 44; The focal length of described convex lens 43 is such as selected to be 35mm, then can realize the object that rising angle carries out step-less adjustment between 15 ° ~ 55 °, the turn-on cycle of the two-way pwm control signal change square-wave waveform that can also be exported by LED panel controller 53 in addition regulates the average current size of LED driver 52, thus reach the function of light modulation, produce the soft photochromic of access expansion light and improve the comfort level of eyes.
Further illustrate, described protecgulum comprises rotating ring 45, loose collar 46 and locating snap ring 47; Described locating snap ring 47 is fixed in described rotating ring, and form array internal thread with described rotating ring 45, described loose collar 46 is placed in inside described rotating ring 45, is provided with the salient point 461 that several and described internal thread matches, and described convex lens 43 are fixed on described loose collar 46.
The rotation adjustment of described two circle rotation regulating mechanism is cooperatively interacted by described rotating ring 45, loose collar 46, locating snap ring 47 and described housing 41 and realizes, when described rotating ring 45 rotates, described loose collar 46 moves by its salient point 461 and described female thread structure active force, thus the rotary motion of rotating ring 45 is converted to rotating ring 21 translational motion vertically, thus change described convex lens 43 and the distance of described double-colored temperature COB light source 44, focus; Described locating snap ring 47 has the effect preventing described loose collar 46 from continuing to the movement of described radiator 42.
Further illustrate, the outside of described rotating ring 45 is provided with annular groove 451; Described housing 41 is provided with and stretches into described annular groove 451 and limit described rotating ring 45 and can only do the position limiting structure 411 of relative rotary motion with described housing 41.
By the cooperation of described annular groove 451 and described position limiting structure 411, make described rotating ring 45 be limited to rotate by relatively described housing 41, make described two circle rotation regulating mechanism more firmly stable.
Further illustrate, described loose collar 46 is provided with several lead 462 near the end of described radiator 42, and described lead 462 matches merging with the pilot hole 421 of described radiator 42 can along the axially-movable of described pilot hole 421.
By the cooperation of described lead 462 and described pilot hole 421, described loose collar 46 is limited axially to do translational motion relative to described radiator along described lead 462, effectively controls the direction of motion of loose collar 46.
Preferably, described position limiting structure 411 is two or more nibbed screw, is distributed in described hull outside.
Arrange the described rotating ring 45 of support that two position limiting structures 411 can be stable, described nibbed screw quantity can be two or more, improves its stability, and described nibbed screw also can change other structures such as annular stop structure into.
Further illustrate, described double-colored temperature COB light source 44 is fixed on described radiator 42 by being connected to circuit board 422, and is located in housing 41.
When hand touches control panel, LED panel controller 53 exports two-way pwm control signal, after LED driver 52 receives signal, connect circuit board, light described double-colored temperature COB light source 44, according to the adjustment of the brightness of the different lamp pearl of 3000K with 6000K in described double-colored temperature COB light source 44, just colour temperatures different within the scope of 3000K-6000K can be obtained.
Further illustrate, described LED panel controller 53 is toughened glass panel touch-screen.
High-strength armoured-glass-face plate touch-screen selected by described LED panel controller 53, has anti-scratching function, and with low cost.
Embodiment 1
The operation principle of the LED desk lamp of as shown in Figure 4-described a kind of temp. controllable light modulation is described as follows:
A: after power transformer 51 is connected AC220V, exports DC24V direct current, is supplied to LED panel controller 53 and LED driver 52.
B:LED panel controller 53, when staff touches, exports two-way pwm control signal, is supplied to LED driver 52.
C:LED driver 52, under the effect of pwm control signal, produces the analog signal of big current, is supplied to double-colored temperature COB light source 44.
D: double-colored temperature COB light source 44 is directly controlled after receiving signal, becomes light or variable color.
As shown in Figure 5, the LED panel controller 53 of the LED desk lamp of described a kind of temp. controllable light modulation has the input and output loop of 2 white lights and warm light, two-way pwm control signal is supplied to LED driver 52, wherein U1 and U2 is the two-way PWM control IC in LED driver, by the control of two-way pwm control signal, be used for controlling light modulation and the variable color of double-colored temperature COB light source 44; R_PWM is white light pwm signal, and G_PWM is warm white pwm signal; R1 ~ R6 is white LED lamp pearl, and G1 ~ G6 is warm light LED lamp bead.
Embodiment 2
" light modulation " PWM control principle of the LED desk lamp of as shown in Figure 6-described a kind of temp. controllable light modulation is described as follows:
The pwm control signal that LED panel controller 53 exports, by certain part-time in single switch cycle by LED driver 52 conducting, and within the remainder time of this switch periods, LED driver 52 is closed and realizes.Namely Ton is ON time, and Toff is the shut-in time, and T is the whole switch periods time; This turn-on cycle is referred to as work period Duty, i.e. Duty (%)=Ton/T.As shown in Figure 7, the two-way pwm control signal exported by LED panel controller 53 changes the average current size that the turn-on cycle Duty of square-wave waveform regulates LED driver 52, thus the brightness changing double-colored temperature COB light source 44 is in 0-100 brightness range; As shown in Figure 6, the turn-on cycle that the average current value of LED driver 52 equals square wave is multiplied by the maximum current of LED, i.e. electric current I LEDavg=Duty (the %) × ILEDmax of LED driver 52.
The utility model adopts the technological design being suitable for spot light, the brightness of the light source of double-colored temperature COB light source 44 is certain, the two-way pwm control signal exported by LED panel controller 53 allows double-colored temperature COB light source 44 constantly open and close, regulate the length of opening time and shut-in time, thus regulate the brightness of double-colored temperature COB light source 44.Such as: double-colored temperature COB light source 44 is glimmered 1000 times, wherein open for 500 times and close for 500 times, if the time of opening pauses 1 second, the time of closedown pauses 0.5 second, and the brightness of double-colored temperature COB light source 44 at this moment will be stronger than " brightness that the opening and closing dead time is the same ".Therefore, user is when the brightness of adjustment double-colored temperature COB light source 44, and the light and shade of in fact brightness has benefited from the change of double-colored temperature COB light source 44 flicker, reaches the effect of its light modulation.
Embodiment 3
" toning " PWM control principle of the LED desk lamp of as shown in Figure 8-described a kind of temp. controllable light modulation is described as follows:
The LED desk lamp of described a kind of temp. controllable light modulation be the LED lamp bead of the LED lamp bead of the 3000K adopted in described double-colored temperature COB light source 44 and a 6000K to regulate colour temperature, realize from the step-less adjustment function in 3000K-6000K reference color temperature;
White light 6000K colour temperature regulates: when white light R_PWM signal is high level, white light lights √, now for color temperature value is 6000K white light, and white light extinguishing during R_PWM low level ×.
Warm light 3000K colour temperature regulates: when warm light G_PWM signal is high level, the warm bright √ of luminous point, now for color temperature value is that 3000K warms up light, and white light extinguishing during G_PWM low level ×.
Neutral light 4500K colour temperature regulates: when white light and warm light pwm control signal are high level simultaneously, become mixed light, now for color temperature value is the neutral light of 4500K; The opening or close change of described two kinds of pwm control signals in addition, change the brightness of double-colored temperature COB light source 44, thus also can change the colour temperature of double-colored temperature COB light source 44, therefore user carries out free switching by shift knob, or long colour temperature key of pressing is preserved.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (7)
1. a LED desk lamp for temp. controllable light modulation, is characterized in that: comprise base, lamp holder and the lamp stand for connecting described lamp holder and described base; Described lamp holder is built-in with double-colored temperature COB light source device, and described base is provided with the double-colored temperature light adjusting and controlling device controlling described double-colored temperature COB light source device; The colour temperature adjustable range value of described double-colored temperature COB light source device is 3000-6000K;
Described double-colored temperature light adjusting and controlling device comprises power transformer, LED driver and LED panel controller; Described power transformer and described LED driver are built in described base, and described LED panel controller is arranged at the surface of described base;
Described double-colored temperature COB light source device comprises housing, radiator, convex lens, double-colored temperature COB light source and protecgulum; Described housing is fixed on described radiator, and described double-colored temperature COB light source is located in housing, and described convex lens are fixed on described protecgulum, and described protecgulum and described housing connect to form two circle rotation regulating mechanism.
2. the LED desk lamp of a kind of temp. controllable light modulation according to claim 1, is characterized in that: described protecgulum comprises rotating ring, loose collar and locating snap ring; Described locating snap ring is fixed in described rotating ring, and forms array internal thread with described rotating ring, and described loose collar is placed in inside described rotating ring, and be provided with the salient point that several and described internal thread matches, described convex lens are fixed on described loose collar.
3. the LED desk lamp of a kind of temp. controllable light modulation according to claim 2, is characterized in that: the outside of described rotating ring is provided with annular groove; Described housing is provided with and stretches into described annular groove and limit described rotating ring and can only do the position limiting structure of relative rotary motion with described housing.
4. the LED desk lamp of a kind of temp. controllable light modulation according to claim 2, it is characterized in that: described loose collar is provided with several lead near the end of described radiator, the pilot hole of described lead and described radiator matches merging can along described pilot hole axially-movable.
5. the LED desk lamp of a kind of temp. controllable light modulation according to claim 3, is characterized in that: described position limiting structure is two or more nibbed screw, is distributed in described hull outside.
6. the LED desk lamp of a kind of temp. controllable light modulation according to claim 1, is characterized in that: described double-colored temperature COB light source is fixed on described radiator by being connected to circuit board, and is located in housing.
7. the LED desk lamp of a kind of temp. controllable light modulation according to claim 1, is characterized in that: described LED panel controller is toughened glass panel touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897590.2U CN205090326U (en) | 2015-11-11 | 2015-11-11 | LED table lamp that can adjust temperature and adjust luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520897590.2U CN205090326U (en) | 2015-11-11 | 2015-11-11 | LED table lamp that can adjust temperature and adjust luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090326U true CN205090326U (en) | 2016-03-16 |
Family
ID=55481010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520897590.2U Expired - Fee Related CN205090326U (en) | 2015-11-11 | 2015-11-11 | LED table lamp that can adjust temperature and adjust luminance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205090326U (en) |
-
2015
- 2015-11-11 CN CN201520897590.2U patent/CN205090326U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203590555U (en) | Light-adjustable LED lamp | |
| CN203784725U (en) | Intelligent dimming table lamp | |
| CN103742826A (en) | Light-emitting diode (LED) desk lamp with adjustable color temperature and brightness and control system and method thereof | |
| CN103491690A (en) | Stepless dimming type LED lamp | |
| CN203251465U (en) | Independently white-light and color-light adjustable LED intelligent bulb set for desk lamp | |
| CN103148398A (en) | Study eye protection table lamp and control method thereof | |
| CN104948981A (en) | Light-gathering table lamp | |
| CN201081119Y (en) | Video apparatus status indicating lamp | |
| CN205090326U (en) | LED table lamp that can adjust temperature and adjust luminance | |
| CN203549457U (en) | Stepless dimming-type LED (light emitting diode) lamp | |
| CN105180039A (en) | Healthy and intelligent education lighting device | |
| CN107740947B (en) | Desk lamp using adjustable light controller | |
| CN206369179U (en) | A kind of intelligent Light-control System of photoconductive tube lighting device | |
| CN204437821U (en) | A kind of Intelligent light sensing lighting device | |
| CN204739462U (en) | Multi -functional integrated desk lamp | |
| CN210113474U (en) | Landscape lamp capable of automatically changing color | |
| CN203231266U (en) | Illumination indicator lamp for display and display | |
| CN209072769U (en) | Thyristor regulating optical module based on adjustable photo resistance | |
| CN203453926U (en) | LED lamp with remote dimming function | |
| CN203350579U (en) | Color-temperature-adjustable LED camera lamp | |
| CN203223803U (en) | Lamp for self adapting to environmental illumination | |
| CN207527311U (en) | L ED module circuit with adjustable color temperature | |
| CN205454164U (en) | PWM dimming control ware | |
| CN204922724U (en) | Healthy intelligent education lighting device | |
| CN206637423U (en) | A kind of adjustable color temperature LED down lamp |
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: 20160316 Termination date: 20201111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |