CN202085373U - Light emitting diode (LED) lamp with synchronously adjustable color temperature and brightness - Google Patents
Light emitting diode (LED) lamp with synchronously adjustable color temperature and brightness Download PDFInfo
- Publication number
- CN202085373U CN202085373U CN2011202053626U CN201120205362U CN202085373U CN 202085373 U CN202085373 U CN 202085373U CN 2011202053626 U CN2011202053626 U CN 2011202053626U CN 201120205362 U CN201120205362 U CN 201120205362U CN 202085373 U CN202085373 U CN 202085373U
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- colour temperature
- led module
- color temperature
- variable resistor
- light fixture
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Abstract
The utility model discloses a light emitting diode (LED) lamp with synchronously adjustable color temperature and brightness, which comprises high and low color temperature LED module groups and a current division control switch, wherein the current division control switch comprises two variable resistors and a sliding contact, the two variable resistors are in parallel arrangement, the sliding contact is used for connecting the two variable resistors and conducting a circuit, in addition, the resistance regulation is carried out through the sliding contact, and each branch of the current division control switch is respectively connected in series with the high-low color temperature module groups, so the current control of each branch can be realized. One end of the low-color temperature LED module group is connected with the B end of the middle of the variable resistors, one end of the high-color temperature LED module group is connected with the F end of the variable resistors, the other end of the low-color temperature LED module group and the other end of the high-color temperature LED module group are connected with one end of a power supply, the sliding contact is connected with the other end of the power supply. The LED lamp adopts a switch device with the advantages that the structure is simple, and the synchronous color temperature reduction along with the light intensity reduction of the lamp can be realized, so the dimming control of the indoor illumination reaches natural light habits, and the synchronous regulation of the intensity and the color temperature is reached.
Description
Technical field
The utility model relates to a kind of LED light fixture tunable arrangement, particularly a kind of LED light fixture colour temperature brightness synchronous adjustable device.
Background technology
The colour temperature of natural daylight changes synchronously with intensity usually, and intensity is the strongest at noon the time as sunlight, and colour temperature is also the highest, and summer, noon, direct light reached 6000K, and before sunset half an hour be low to moderate 2400K, be 1900K at sunset.Existing light fixture can only carry out luminous intensity usually to be regulated, and colour temperature does not have big variation when reducing luminous intensity, and the illumination of room lighting can not reach the state that nature is used up, and luminous intensity and colour temperature can not respective change.
Have at present light fixture is carried out adjustable scheme of colour temperature and product, usually utilize and have the different light fixture combination realization of height colour temperature, need operate separately every group of light fixture respectively by comparatively complicated control system in use, therefore with high costs, but do not need accurate colour temperature control in a lot of occasions.
Therefore need a kind of simple in structure and can realize the light fixture switching device that colour temperature also decreases when luminous intensity reduces.
The utility model content
In view of this, technical problem to be solved in the utility model provides a kind of simple in structure and can realize the light fixture switching device that colour temperature also decreases when luminous intensity reduces, make the brightness adjustment control of room lighting reach the custom that nature is used up, reach intensity colour temperature adjusted in concert.
The utility model is achieved through the following technical solutions:
The colour temperature brightness synchronous adjustable LED light fixture that the utility model provides, comprise high colour temperature LED module, low colour temperature LED module and flow-dividing control switch, described each branch road of flow-dividing control switch is connected with high colour temperature module, low colour temperature module respectively, and described flow-dividing control switch is used for the electric current of the high colour temperature LED module of adjusted in concert, low colour temperature module.
Further, described flow-dividing control switch comprises variable resistor I, variable resistor II and the sliding contact of arranging side by side, described sliding contact is used to connect variable resistor I, variable resistor II and turning circuit, described variable resistor I and variable resistor II are membrane type rheostat or wire wound rheostat, and carry out resistance adjustment, thereby realize each branch current control by sliding contact;
Further, described low colour temperature LED module one end is connected in the B end at variable resistor I middle part, described high colour temperature LED module one end is connected in the F end of variable resistor II, the other end of the described low colour temperature LED module other end and high colour temperature LED module is connected an end of power supply, and described sliding contact connects the other end of power supply;
Further, also be included in the divider resistance that each colour temperature module branch road series connection is provided with, described divider resistance is used for each branch current is further controlled, thereby reaches the condition of work of each colour temperature module LED;
Further, the structure of described flow-dividing control switch is a direct slide, rotary, and can increase control channel as required, becomes multichannel by two-way, and each branch road should be provided with corresponding colour temperature LED module accordingly;
Further, the evenly cross arrangement of led chip of high colour temperature LED module and low colour temperature LED module, it is even to make light fixture go out light intensity colourity.
The beneficial effects of the utility model are: the utility model adopts a kind of simple in structure and can realize the light fixture switching device that colour temperature also decreases when luminous intensity reduces, make the brightness adjustment control of room lighting reach the custom that nature is used up, reach intensity colour temperature adjusted in concert.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following specification and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
The structure chart of the execution mode of the adjustable LED light fixture that Fig. 1 provides for the utility model.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection range of the present utility model.
The structure chart of the execution mode of the adjustable LED light fixture that Fig. 1 provides for the utility model, as shown in the figure: the colour temperature brightness synchronous adjustable LED light fixture that the utility model provides, comprise high colour temperature LED module 1, low colour temperature LED module 2 and flow-dividing control switch 3, described flow-dividing control switch 3 is connected with high colour temperature module 1, low colour temperature LED module 2 respectively, and described flow-dividing control switch 3 is used for the electric current of the high colour temperature LED module 1 of adjusted in concert, low colour temperature LED module 2.
Further improvement as the foregoing description, described flow-dividing control switch 3 comprises variable resistor I31, variable resistor II32 and the sliding contact 33 of arranging side by side, described sliding contact 33 is used to connect variable resistor I31, variable resistor II32 and turning circuit, described variable resistor I31 and variable resistor II32 can be membrane type rheostat or wire wound rheostat, and carry out resistance adjustment, thereby realize each branch current control by sliding contact 33.
Further improvement as the foregoing description, described low colour temperature LED module 2 one ends are connected in the B end at variable resistor I31 middle part, described high colour temperature LED module 1 one ends are connected in the F end of variable resistor II32, the other end of described low colour temperature LED module 2 other ends and high colour temperature LED module 1 is connected an end of power supply, and described sliding contact 33 connects the other end of power supply.
Further improvement as the foregoing description, also be included in the divider resistance 4 that each colour temperature module branch road series connection is provided with, described divider resistance 4 is used for each branch current is further controlled, thereby reach the condition of work of each colour temperature module LED, provide two divider resistance R1, R2 in the present embodiment, be connected on respectively in two colour temperature module branch roads.
As the further improvement of the foregoing description, the structure of described flow-dividing control switch 3 can be direct slide, rotary, and can increase control channel as required, becomes multichannel by two-way, and each branch road should be provided with corresponding colour temperature LED module accordingly.
As the further improvement of the foregoing description, the evenly cross arrangement of led chip of high colour temperature LED module 1 and low colour temperature LED module 2, it is even to make light fixture go out light intensity colourity.
The course of work of the device that provides in the present embodiment is provided in detail below:
The rheostat contact is at the A place: high colour temperature LED module open circuit does not work, low colour temperature LED module is connected, because slide rheostat is at this moment to low colour temperature LED module branch road resistance value maximum, electric current minimum, low colour temperature LED module moves under low current, and whole lamp operating state is the low colour temperature of low light intensity;
The rheostat contact is shifted to B by A: low colour temperature LED module electric current increases gradually, and light intensity increases, and after connecting with high colour temperature LED module branch road, high colour temperature LED module is started working, and whole light color temperature begins to raise;
The rheostat contact is at the B place: low colour temperature LED module electric current maximum, and low colour temperature LED module branch road intensity is the strongest;
The rheostat contact is shifted to C by B: low colour temperature LED module electric current reduces gradually, and this branch road light intensity reduces, and high colour temperature LED module electric current increases gradually, and this branch road light intensity increases, and with regard to whole lamp, light intensity increases gradually, and colour temperature increases;
The rheostat contact is at the C place: low colour temperature LED module electric current reaches minimum even open circuit, and high colour temperature LED module electric current reaches maximum, and light intensity is the strongest, and colour temperature is the highest.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and the spirit and scope of the present utility model that do not depart from appended claims and limited.
Claims (6)
1. colour temperature brightness synchronous adjustable LED light fixture, it is characterized in that: comprise high colour temperature LED module (1), low colour temperature LED module (2) and flow-dividing control switch (3), each branch road of described flow-dividing control switch (3) is connected with high colour temperature module (1), low colour temperature LED module (2) respectively, and described flow-dividing control switch (3) is used for the electric current of the high colour temperature LED module of adjusted in concert (1), low colour temperature LED module (2).
2. colour temperature brightness synchronous adjustable LED light fixture according to claim 1, it is characterized in that: described flow-dividing control switch (3) comprises the variable resistor I(31 that arranges side by side), variable resistor II(32) and sliding contact (33), described sliding contact (33) is used to connect variable resistor I(31), variable resistor II(32) and turning circuit, described variable resistor I(31) and variable resistor II(32) can be membrane type rheostat or wire wound rheostat, and carry out resistance adjustment, thereby realize each branch current control by sliding contact (33).
3. colour temperature brightness synchronous adjustable LED light fixture according to claim 2, it is characterized in that: described low colour temperature LED module (2) one ends are connected in variable resistor I(31) the B end at middle part, described high colour temperature LED module (1) one end is connected in variable resistor II(32) F end, described low colour temperature LED module (2) other end is connected an end of power supply with the other end of high colour temperature LED module (1), described sliding contact (33) connects the other end of power supply.
4. colour temperature brightness synchronous adjustable LED light fixture according to claim 3, it is characterized in that: also be included in the divider resistance (4) that each colour temperature module branch road series connection is provided with, described divider resistance (4) is used for each branch current is further controlled, thereby reaches the condition of work of each colour temperature module LED.
5. colour temperature brightness synchronous adjustable LED light fixture according to claim 4, it is characterized in that: the structure of described flow-dividing control switch (3) can be direct slide, rotary, and can increase control channel as required, become multichannel by two-way, each branch road should be provided with corresponding colour temperature LED module accordingly.
6. colour temperature brightness synchronous adjustable LED light fixture according to claim 5, it is characterized in that: the evenly cross arrangement of led chip of high colour temperature LED module (1) and low colour temperature LED module (2), it is even to make light fixture go out light intensity colourity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011202053626U CN202085373U (en) | 2011-06-17 | 2011-06-17 | Light emitting diode (LED) lamp with synchronously adjustable color temperature and brightness |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011202053626U CN202085373U (en) | 2011-06-17 | 2011-06-17 | Light emitting diode (LED) lamp with synchronously adjustable color temperature and brightness |
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CN202085373U true CN202085373U (en) | 2011-12-21 |
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CN2011202053626U Expired - Fee Related CN202085373U (en) | 2011-06-17 | 2011-06-17 | Light emitting diode (LED) lamp with synchronously adjustable color temperature and brightness |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102932988A (en) * | 2012-09-24 | 2013-02-13 | 王习之 | Method and circuit for increasing light emitting diode (LED) light source module color rendering index with low cost |
CN103052214A (en) * | 2012-12-06 | 2013-04-17 | 广州广日电气设备有限公司 | System and method for adjusting light and color temperature of lamp |
TWI552643B (en) * | 2014-12-25 | 2016-10-01 | 張琇惠 | Synchronization adjusting system of brightness and color temperature and method thereof |
CN106678575A (en) * | 2017-02-28 | 2017-05-17 | 漳州立达信光电子科技有限公司 | Lamp device and light emitting module block |
CN106793330A (en) * | 2017-01-09 | 2017-05-31 | 江苏宜美照明科技股份有限公司 | Dim the circuit of color-temperature regulating |
CN112672479A (en) * | 2020-12-28 | 2021-04-16 | 深圳市裕富照明有限公司 | Lighting control device for vehicle headlight |
-
2011
- 2011-06-17 CN CN2011202053626U patent/CN202085373U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102932988A (en) * | 2012-09-24 | 2013-02-13 | 王习之 | Method and circuit for increasing light emitting diode (LED) light source module color rendering index with low cost |
CN103052214A (en) * | 2012-12-06 | 2013-04-17 | 广州广日电气设备有限公司 | System and method for adjusting light and color temperature of lamp |
CN103052214B (en) * | 2012-12-06 | 2016-08-10 | 广州广日电气设备有限公司 | Lamp light-regulating color-temperature regulating system and method |
TWI552643B (en) * | 2014-12-25 | 2016-10-01 | 張琇惠 | Synchronization adjusting system of brightness and color temperature and method thereof |
CN106793330A (en) * | 2017-01-09 | 2017-05-31 | 江苏宜美照明科技股份有限公司 | Dim the circuit of color-temperature regulating |
CN106793330B (en) * | 2017-01-09 | 2018-11-13 | 江苏宜美照明科技股份有限公司 | Dim the circuit of color-temperature regulating |
CN106678575A (en) * | 2017-02-28 | 2017-05-17 | 漳州立达信光电子科技有限公司 | Lamp device and light emitting module block |
WO2018157538A1 (en) * | 2017-02-28 | 2018-09-07 | 漳洲立达信光电子科技有限公司 | Lamp device and light-emitting module block |
CN112672479A (en) * | 2020-12-28 | 2021-04-16 | 深圳市裕富照明有限公司 | Lighting control device for vehicle headlight |
CN112672479B (en) * | 2020-12-28 | 2023-01-06 | 深圳市裕富照明有限公司 | Lighting control device for vehicle headlight |
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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: 20111221 Termination date: 20140617 |
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EXPY | Termination of patent right or utility model |