CN202799298U - Color temperature and luminance adjustable lamp - Google Patents
Color temperature and luminance adjustable lamp Download PDFInfo
- Publication number
- CN202799298U CN202799298U CN2012204349766U CN201220434976U CN202799298U CN 202799298 U CN202799298 U CN 202799298U CN 2012204349766 U CN2012204349766 U CN 2012204349766U CN 201220434976 U CN201220434976 U CN 201220434976U CN 202799298 U CN202799298 U CN 202799298U
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- led lamp
- colour temperature
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- color temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a color temperature and luminance adjustable lamp which comprises a power circuit and a light-emitting diode (LED) lamp plate. A control circuit is further connected between the power circuit and the LED lamp plate in series and comprises a pulse-width modulation (PWM) pulse-width generating circuit, a color temperature changing circuit, a luminance adjusting circuit, at least two power management circuits respectively connected with the luminance adjusting circuit, wherein the PWM pulse-width generating circuit, the color temperature changing circuit, the luminance adjusting circuit and at least two power management circuits are connected in sequence. Outlets of the two power management circuits are respectively connected with the LED lamp plate, a first potentiometer is connected between a power circuit and the luminance adjusting circuit in series, the PWM pulse-width generating circuit and the color temperature changing circuit are connected with a second potentiometer, and at least two color temperature LED lamps are arranged on the LED lamp plate. The color temperature and luminance adjustable lamp can simultaneously adjust color temperature and luminance, is simple in operation and convenient to use, and can meet the luminance requirement for different color temperature and luminance.
Description
Technical field
The utility model relates to a kind of lighting device, relates in particular to the adjustable light fixture of a kind of colour temperature and brightness.
Background technology
Used LED photoflood lamp mainly contains following three types: a, single colour temperature in the market, and brightness is fixed; B, brightness is adjustable, and colour temperature is constant; C, colour temperature is adjustable but brightness is constant.And how the mains switch of light fixture is set up separately, and caloric value is larger, when under comparatively complicated light environment, is difficult to obtain desirable illuminating effect, sometimes needs just can reach required desirable illuminating effect, complicated operation by many lighting apparatus.
How to provide a kind of and can carry out simultaneously colour temperature and brightness regulation, and easy to operate light fixture is the industry problem demanding prompt solution.
Summary of the invention
The utility model proposes the adjustable light fixture of a kind of colour temperature and brightness in order to solve above-mentioned technical problem.
The technical scheme that the utility model proposes is, design the adjustable LED light fixture of a kind of colour temperature and brightness, comprise power circuit and LED lamp plate, the control circuit of between power circuit and LED lamp plate, also connecting, described control circuit comprises PWM pulsewidth circuit for generating and the colour temperature translation circuit that connects successively, brightness regulating circuit, at least two electric power management circuits that are connected respectively with brightness regulating circuit, the outlet of described electric power management circuit is connected with described LED lamp plate respectively, first potentiometer of connecting between described power circuit and the brightness regulating circuit, described PWM pulsewidth circuit for generating and colour temperature translation circuit are connected with the second potentiometer, and the LED lamp of at least two kinds of colour temperatures is set on the described LED lamp plate.
Described power circuit can also connect an electric quantity of power supply testing circuit, and the electric quantity of power supply testing circuit connects an indicator light and an electric quantity of power supply test button again.
In the technical program, described LED lamp plate adopts 3200K colour temperature and two kinds of LED lamps of 5500K colour temperature, and arranges with interactive mode.Evenly be provided with louvre on the LED lamp plate.Described electric power management circuit comprises 3200k colour temperature electric power management circuit and 5500k colour temperature electric power management circuit.
The utility model is controlled brightness and colour temperature with potentiometer respectively, can effectively solve single colour temperature that existing on the market LED photoflood lamp has or the functional limitation of single brightness, and desirable illuminating effect is difficult to the problems such as adjusting; Realized on same illuminating equipment the simultaneously function of brightness adjusting and glow color, the user can be used correlated conditions such as the distance of picture, ambient lights of living in flexibly according to take the photograph, make its illuminating effect reach required photography conditions, satisfied better the needs of photography; In addition mains switch and brightness regulation are united two into one, reduce panel operation button quantity, product operation is oversimplified; The louvre that arranges on the LED lamp plate has improved the radiating effect of product, prolongs product useful life.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model one embodiment;
Fig. 2 is the schematic diagram of the LED lamp plate of the utility model one embodiment;
Fig. 3 is switch schematic diagram of the present utility model.
Embodiment
Colour temperature is the photochromic yardstick of expression light source, and unit is K.Light source color temperature is different, and photochromic different, the sensation of bringing is not identical yet yet.
As shown in Figure 1, the adjustable light fixture of the colour temperature that the utility model proposes and brightness comprises: power circuit 10 and LED lamp plate 16.The regulating and controlling circuit of between power circuit and LED lamp plate, also connecting, this regulating and controlling circuit comprise successively the PWM pulsewidth circuit for generating that connects and colour temperature translation circuit 11, brightness regulating circuit 12, with at least two electric power management circuits that brightness regulating circuit is connected respectively, electric power management circuit can arrange a plurality of as required.In the present embodiment, brightness regulating circuit is connected with the 5500kLED electric power management circuit with 3200kLED electric power management circuit 13 respectively and is connected, and the outlet of two electric power management circuits is connected with LED lamp plate 16 respectively again.First potentiometer 17 of between electric power management circuit 10 and brightness regulating circuit 12, connecting, the first potentiometer is not only controlled the brightness of product, simultaneously as mains switch, has dispensed the on the market independent switch of product, reduced the quantity of button, operated simpler.PWM pulsewidth circuit for generating and colour temperature translation circuit 11 are connected with the second potentiometer 18.The second potentiometer is used for adjusting the colour temperature of product.
As shown in Figure 1, electric power management circuit can also connect battery power detection circuit 15, battery power detection circuit 15 connects battery electric quantity test button 22 and battery electric quantity indicator light 23 again, and this partial circuit can in time detect electric quantity of power supply, guarantees the normal operation of product.
As shown in Figure 2, two kinds or above dissimilar light emission color temperature LED lamp are installed on the LED lamp plate, in the present embodiment, to be staggered installation of LED lamp 19 and light emission color temperature that a plurality of light emission color temperatures are 3200k be the LED lamp 20 of 5500k to cross on the lamp plate, the 3200kLED electric power management circuit is used for the whether luminous and luminous brightness of LED lamp of control 3200k, and whether and luminosity the switch of the LED lamp of 5500kLED electric power management circuit management 5500k.All be provided with louvre 21 between the LED lamp that the LED lamp that every group of light emission color temperature is 3200k and light emission color temperature are 5500k, accelerate the circulation of air between the LED lamp, the temperature of LED lamp when reducing work.
The below describes operation principle of the present utility model in detail.
As shown in Figure 1 to Figure 3, product has been installed after the battery, and power circuit is screwed the first potentiometer 17 for generation of the required supply voltage of each functional circuit, can open switch.Then, two square waves that waveform is opposite by PWM pulsewidth circuit for generating and the generation of colour temperature translation circuit, this signal superposition is on brightness regulating circuit, in order to regulate respectively 3200kLED electric power management circuit 13 and 5500kLED electric power management circuit 14, two kinds of supply voltages corresponding to conditioning signal output that the LED electric power management circuit is sent here by brightness regulating circuit, luminous with the driving LED lamp plate, because the difference of the signal that two kinds of colour temperature LED lamps send by brightness regulating circuit, be achieved the whether luminous luminosity that reaches of different-colour LED, because the luminous duty ratio of the LED lamp of different-colour, make product can reach the effect of any colour temperature, thereby realize the required lighting effects of user.
As shown in Figure 3, when needs detect battery electric quantity, press battery electric quantity test button 22, how many battery electric quantity test circuits begins the test battery electric weight, and the demonstration quantity of the LED by indicator light 23 is differentiated the last electric weight of battery, when indicator light is complete when bright, represents electric weight for full; When indicator light only remained next or all do not work, it was not enough to represent battery electric quantity, needed in time charging.
Only in order to illustrate structure of the present utility model, those of ordinary skill in the art can make various deformation and variation to above specific embodiment under design of the present utility model, and these distortion and variation include within protection range of the present utility model.
Claims (6)
1. a colour temperature and the adjustable LED light fixture of brightness, comprise power circuit and LED lamp plate, it is characterized in that: the control circuit of between power circuit and LED lamp plate, also connecting, described control circuit comprises PWM pulsewidth circuit for generating and the colour temperature translation circuit that connects successively, brightness regulating circuit, at least two electric power management circuits that are connected respectively with brightness regulating circuit, the outlet of described electric power management circuit is connected with described LED lamp plate respectively, first potentiometer of connecting between described power circuit and the brightness regulating circuit, described PWM pulsewidth circuit for generating and colour temperature translation circuit are connected with the second potentiometer, and the LED lamp of at least two kinds of colour temperatures is set on the described LED lamp plate.
2. the adjustable LED light fixture of colour temperature as claimed in claim 1 and brightness, it is characterized in that: described power circuit connects an electric quantity of power supply testing circuit.
3. the adjustable LED light fixture of colour temperature as claimed in claim 2 and brightness, it is characterized in that: described electric quantity of power supply testing circuit connects an indicator light and an electric quantity of power supply test button.
4. light fixture as claimed in claim 1 is characterized in that: described LED lamp plate adopts 3200K colour temperature and two kinds of LED lamps of 5500K colour temperature, and arranges with interactive mode.
5. light fixture as claimed in claim 4 is characterized in that: evenly be provided with louvre on the described LED lamp plate.
6. light fixture as claimed in claim 1, it is characterized in that: described electric power management circuit comprises 3200k colour temperature electric power management circuit and 5500k colour temperature electric power management circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204349766U CN202799298U (en) | 2012-08-30 | 2012-08-30 | Color temperature and luminance adjustable lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204349766U CN202799298U (en) | 2012-08-30 | 2012-08-30 | Color temperature and luminance adjustable lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202799298U true CN202799298U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204349766U Expired - Lifetime CN202799298U (en) | 2012-08-30 | 2012-08-30 | Color temperature and luminance adjustable lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN202799298U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908229A (en) * | 2014-04-18 | 2014-07-09 | 成都益贝乐医疗器械有限公司 | Medical vein observing lamp and control method thereof |
| CN106439705A (en) * | 2016-11-30 | 2017-02-22 | 桂林么么科技发展有限公司 | Intelligent LED lamp |
| CN110440172A (en) * | 2019-07-16 | 2019-11-12 | 安徽慧瞳智能科技有限公司 | A kind of student's desk lamp with wireless charging function |
| CN112904645A (en) * | 2021-02-04 | 2021-06-04 | 成都国翼电子技术有限公司 | Low-voltage constant-power infrared illumination power supply system |
-
2012
- 2012-08-30 CN CN2012204349766U patent/CN202799298U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908229A (en) * | 2014-04-18 | 2014-07-09 | 成都益贝乐医疗器械有限公司 | Medical vein observing lamp and control method thereof |
| CN106439705A (en) * | 2016-11-30 | 2017-02-22 | 桂林么么科技发展有限公司 | Intelligent LED lamp |
| CN110440172A (en) * | 2019-07-16 | 2019-11-12 | 安徽慧瞳智能科技有限公司 | A kind of student's desk lamp with wireless charging function |
| CN112904645A (en) * | 2021-02-04 | 2021-06-04 | 成都国翼电子技术有限公司 | Low-voltage constant-power infrared illumination power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180409 Address after: 518000 Shenzhen, Shenzhen City, Guangdong Province, Tai Lang street, Longping community department, nine long army industrial areas, 21 floors from 2 to 4 Patentee after: APUTURE IMAGING INDUSTRIES Co.,Ltd. Address before: 518000 Guangdong, Shenzhen, Futian District, Bagua two road Bagualing Industrial Zone ninth 6 floor 603 Patentee before: APUTURE IMAGING INDUSTRIES Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |