CN203912285U - LED lamp capable of adjusting color temperature - Google Patents
LED lamp capable of adjusting color temperature Download PDFInfo
- Publication number
- CN203912285U CN203912285U CN201420330022.XU CN201420330022U CN203912285U CN 203912285 U CN203912285 U CN 203912285U CN 201420330022 U CN201420330022 U CN 201420330022U CN 203912285 U CN203912285 U CN 203912285U
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- Prior art keywords
- led
- led chip
- chip group
- output
- 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 relates to an LED lamp capable of adjusting color temperature, which comprises an LED chip group, a switch control circuit and an LED dimming drive circuit. The LED lamp capable of adjusting color temperature realizes the adjustment of color temperature of the LED lamp through controlling the on-off of a first LED chip group and a second LED chip group of the LED chip group by using the switch control circuit; and in the LED dimming drive circuit, the brightness of light emitted by an LED light source is adjusted through a dimming control unit and a dimming detection unit, thereby realizing the adjustment of color temperature and light brightness of the LED lamp, and satisfying more diversified application requirements.
Description
Technical field
The utility model relates to LED lighting field, is specifically related to a kind of LED lamp of adjustable color temperature.
Background technology
Colour temperature is for weighing the photochromic value of light source, and the colour temperature difference of light source is photochromic also just different.Colour temperature specifically refers to, by a standard black matrix heating, when temperature is elevated to a certain degree, the color of this black matrix starts to change gradually with the order of dark red-pale red-orange-Bai-indigo plant, when the color of the light sending when certain light source is identical with the color of standard black matrix in certain temperature, this black matrix absolute temperature is at that time colour temperature.The colour temperature of light source represents with absolute temperature K, and 2700k is the colour temperature of ordinary incandescent lamp, seems that light is warm, allows people have warm sense, but bright not, is applicable to the localized lighting of the bedroom head of a bed, wall lamp etc.; 4000k is the colour temperature that approaches natural daylight most, is applicable to the integral illumination in family; 6000k is the white light that can allow people concentrate, and gives people's sensation that show high ideals by simple living, is applicable to the places such as office, study.Because the light source of different-colour can bring user's impression difference, the hobby of colour temperature also varies with each individual, and meanwhile, the different time periods may need different colour temperature illuminations, and therefore, people have proposed demand for the colour temperature regulatory function of LED lamp.
For meeting the demand, Chinese patent literature CN203467037U discloses a kind of LED light source assembly of adjustable color temperature, adopt the LED chip group LED light source consisting of two groups of different-colours, the output of driving power is formed to light source loop respectively at two LED chip groups, two light source loops are connected with two control output ends of block switch unit respectively again, make block switch unit can control two groups of LED chip groups luminous or simultaneously luminous respectively.
The colour temperature that above-mentioned LED light source assembly can be realized to a certain degree regulates, and sends 3 kinds of light that colour temperature is different, still, only realizes the adjusting of colour temperature and sometimes can not user satisfy the demand, and may also need the brightness of light to regulate in the use procedure of LED lamp.
Utility model content
Technical problem to be solved in the utility model is that LED lamp of the prior art can not be realized the problem that regulates colour temperature and brightness simultaneously, and then provides a kind of in realizing colour temperature adjusting, can better realize the LED lamp of the adjusting of lamplight brightness.
For solving the problems of the technologies described above, the LED lamp of adjustable color temperature described in the utility model, comprising:
LED chip group, comprises the first LED chip group and the second LED chip group, and the LED chip in described the first LED chip group has different color temperature values from the LED chip in the second LED chip group;
ON-OFF control circuit, the input of described ON-OFF control circuit is connected with power supply, and output is connected with described LED chip group, is suitable for controlling described the first LED chip group and the second LED chip group luminous or simultaneously luminous separately respectively;
LED dimming driving circuit, the input of described LED dimming driving circuit is connected with power supply, comprises for dimming control unit, the detection of output pulse signal the driving chip of processing the light modulation detecting unit of described pulse signal and being connected with the output of described light modulation detecting unit.
The output of described ON-OFF control circuit comprises the first output and the second output; Described the first output is electrically connected with described the first LED chip group, and described the second output is electrically connected with described the second LED chip group.
The input of the dimming control unit of described LED dimming driving circuit is connected with power supply, and output is electrically connected with the input of described light modulation detecting unit.
The dimming control unit of described LED drive circuit comprises the first dimming control unit and the second dimming control unit, and described light modulation detecting unit comprises the first light modulation detecting unit and the second light modulation detecting unit; Described the first dimming control unit and the first light modulation detecting unit are applicable to control the brightness of the first LED chip group; Described the second dimming control unit and described the second light modulation detecting unit are suitable for controlling the brightness of the second LED chip group.
The output of the light modulation detecting unit of described LED dimming driving circuit is electrically connected with the input of described driving chip.
The output of described driving chip is electrically connected with described ON-OFF control circuit.
The LED lamp of described adjustable color temperature of the present utility model has the following advantages compared to existing technology:
(1) the LED lamp of adjustable color temperature described in the utility model, comprise LED chip group, ON-OFF control circuit, LED dimming driving circuit, described LED dimming driving circuit comprises for dimming control unit, the detection of output pulse signal the driving chip processing the light modulation detecting unit of described pulse signal and be connected with the output of described light modulation detecting unit.The first LED chip group of ON-OFF control circuit control LED chip group and the switch of the second LED chip group, make the first LED chip group and the second LED chip group luminous or simultaneously luminous separately respectively, obtain thus the light of three kinds of different-colours, meanwhile, in LED dimming driving circuit, the brightness of light LED light source being sent by dimming control unit and light modulation detecting unit regulates, realize the colour temperature adjusting of LED lamp and the adjusting of brightness, can meet more diversified user demand.
(2) the LED lamp of adjustable color temperature described in the utility model, the dimming control unit of described LED drive circuit comprises the first dimming control unit and the second dimming control unit, and described light modulation detecting unit comprises the first light modulation detecting unit and the second light modulation detecting unit; Described the first dimming control unit and the first light modulation detecting unit are applicable to control the brightness of the first LED chip group; Described the second dimming control unit and described the second light modulation detecting unit are suitable for controlling the brightness of the second LED chip group.Can realize thus the more collocation mode of brightness of the first LED chip group and the second LED chip group.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the circuit module figure of the LED lamp of adjustable color temperature described in the utility model;
Fig. 2 is the circuit diagram of the LED lamp of adjustable color temperature described in the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, execution mode of the present utility model is described in further detail.
As shown in Figure 1 and Figure 2, the LED lamp of adjustable color temperature of the present utility model, comprising:
LED chip group, comprises the first LED chip group and the second LED chip group, described the first LED chip group color temperature value different from having of the second LED chip group;
ON-OFF control circuit, the input of described ON-OFF control circuit is connected with power supply, and output is connected with described LED chip group, is suitable for controlling described the first LED chip group and the second LED chip group luminous or simultaneously luminous separately respectively;
LED dimming driving circuit, the input of described LED dimming driving circuit is connected with power supply, comprises for dimming control unit, the detection of output pulse signal the driving chip of processing the light modulation detecting unit of described pulse signal and being connected with the output of described light modulation detecting unit.
Described ON-OFF control circuit can be controlled described LED chip group and work in the following ways: while opening switch for the first time, control described the first LED chip group luminous separately, send the light of the first color temperature value; Closing switch, while opening switch for the second time, controls described the second LED chip group luminous separately, sends the light of the second color temperature value; Closing switch, while opening switch for the third time, controls described the first LED chip group and the second LED chip group simultaneously luminous, sends the light of the 3rd color temperature value.Closing switch, stops and exceedes after the setting-up time of described ON-OFF control circuit, then open switch, is restored to the first LED chip group luminous state separately.
For realizing the purpose of this utility model, the design of described ON-OFF control circuit is not unique, as long as can realize the switch of controlling the first LED chip group and the second LED chip group, in the present embodiment, the output of described ON-OFF control circuit comprises the first output and the second output; Described the first output is connected with described the first LED chip group, and described the second output is connected with described the second LED chip group.
Same, the design of described LED dimming driving circuit is not unique yet, and as preferred embodiment, the input of the dimming control unit of described LED dimming driving circuit is connected with power supply, and output is connected with the input of described light modulation detecting unit.The output of the light modulation detecting unit of described LED dimming driving circuit is connected with the input of described driving chip.The output of described driving chip is connected with described ON-OFF control circuit.
For realizing more collocation mode in described the first LED chip group and the second LED chip group brightness, the dimming control unit of described LED drive circuit comprises the first dimming control unit and the second dimming control unit, and described light modulation detecting unit comprises the first light modulation detecting unit and the second light modulation detecting unit; Described the first dimming control unit and the first light modulation detecting unit are applicable to control the brightness of the first LED chip group; Described the second dimming control unit and described the second light modulation detecting unit are suitable for controlling the brightness of the second LED chip group.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And the apparent variation of being extended out thus or variation are still among protection range of the present utility model.
Claims (6)
1. a LED lamp for adjustable color temperature, is characterized in that, comprising:
LED chip group, comprises the first LED chip group and the second LED chip group, and the LED chip in described the first LED chip group has different color temperature values from LED chip in the second LED chip group;
ON-OFF control circuit, the input of described ON-OFF control circuit is connected with power supply, and output is connected with described LED chip group, is suitable for controlling described the first LED chip group and the second LED chip group luminous or simultaneously luminous separately respectively;
LED dimming driving circuit, the input of described LED dimming driving circuit is connected with power supply, comprises for dimming control unit, the detection of output pulse signal the driving chip of processing the light modulation detecting unit of described pulse signal and being connected with the output of described light modulation detecting unit.
2. the LED lamp of adjustable color temperature according to claim 1, is characterized in that, the output of described ON-OFF control circuit comprises the first output and the second output; Described the first output is electrically connected with described the first LED chip group, and described the second output is electrically connected with described the second LED chip group.
3. the LED lamp of adjustable color temperature according to claim 2, is characterized in that, the input of the dimming control unit of described LED dimming driving circuit is connected with power supply, and output is electrically connected with the input of described light modulation detecting unit.
4. the LED lamp of adjustable color temperature according to claim 3, it is characterized in that, the dimming control unit of described LED drive circuit comprises the first dimming control unit and the second dimming control unit, and described light modulation detecting unit comprises the first light modulation detecting unit and the second light modulation detecting unit; Described the first dimming control unit and the first light modulation detecting unit are applicable to control the brightness of the first LED chip group; Described the second dimming control unit and described the second light modulation detecting unit are suitable for controlling the brightness of the second LED chip group.
5. the LED lamp of adjustable color temperature according to claim 4, is characterized in that, the output of the light modulation detecting unit of described LED dimming driving circuit is electrically connected with the input of described driving chip.
6. the LED lamp of adjustable color temperature according to claim 5, is characterized in that, the output of described driving chip is electrically connected with described ON-OFF control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330022.XU CN203912285U (en) | 2014-06-20 | 2014-06-20 | LED lamp capable of adjusting color temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330022.XU CN203912285U (en) | 2014-06-20 | 2014-06-20 | LED lamp capable of adjusting color temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912285U true CN203912285U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420330022.XU Expired - Fee Related CN203912285U (en) | 2014-06-20 | 2014-06-20 | LED lamp capable of adjusting color temperature |
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| Country | Link |
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| CN (1) | CN203912285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676334A (en) * | 2015-03-04 | 2015-06-03 | 刘晴 | LED (light emitting diode) lamp with controllable brightness |
-
2014
- 2014-06-20 CN CN201420330022.XU patent/CN203912285U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676334A (en) * | 2015-03-04 | 2015-06-03 | 刘晴 | LED (light emitting diode) lamp with controllable brightness |
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| Date | Code | Title | Description |
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| 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: 20141029 Termination date: 20200620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |