TWI435031B - Brightness color temperature driven by the variable color temperature lighting - Google Patents

Description

Variable color temperature lighting fixture driven by brightness and color temperature

The invention relates to a lighting fixture, in particular to a variable color temperature lighting fixture driven by brightness and color temperature respectively.

At present, the color temperature of the lighting fixture can be regarded as one of the important specifications of the luminaire, and the color temperature is the absolute temperature value of the standard black body having the same light color as the luminaire, which is related to the color characteristic displayed by the luminaire. Please refer to FIG. 1. FIG. 1 is a chromaticity diagram of a conventional color temperature curve, wherein the x-axis and y-axis coordinate systems respectively represent chromaticities of different colors. The brightness and color temperature of conventional lighting fixtures are fixed at the time of manufacture. For example, the color temperature of a conventional power-saving bulb is determined by the fluorescent substance in the bulb. Since the brightness and color temperature cannot be adjusted, it is for the manufacturer. Various bulbs of different brightness and color temperature must be prepared for customers to select, so it is necessary to consider the cost, capital and space application problems of the inventory; in addition, the brightness and color temperature indicated on the lamps are numerically represented, due to the numerical values indicated. It is impossible to understand the brightness and color temperature of the lamp, and the difference in brightness or color temperature is difficult to distinguish. Therefore, it is not easy for the user who wants to choose the lamp that meets the requirements. Therefore, how to provide lighting fixtures with adjustable brightness and color temperature is still waiting to be developed.

The object of the present invention is to provide a variable color temperature lighting fixture that is separately driven by brightness and color temperature, for the user to adjust its brightness and color temperature as needed.

According to a feature of the present invention, the present invention provides a variable color temperature illumination lamp driven by a brightness color temperature, comprising: a light emitting module, comprising a first light emitting unit, and a plurality of second light emitting units, wherein the first light emitting The unit is configured to provide brightness of the lighting fixtures, and the second lighting units respectively have different lighting colors, and the color temperature of the lighting fixture is formed by color mixing of the lighting colors of the second lighting units; a driving module includes a first a driving unit and a second driving unit, wherein the first driving unit is connected to the first lighting unit for driving to emit light, and the second driving unit comprises a plurality of second drivers respectively connected to the second The light emitting unit is separately driven to emit light; and a control module is connected to the driving module for controlling the driving module to determine the brightness and color temperature of the lighting device, wherein the first driving is performed The unit controls to determine the brightness of the lighting fixture, and to control the color of the lighting fixture by separately controlling the second drivers .

According to another feature of the present invention, the present invention provides a color-changeable temperature illuminating lamp that is separately driven by a illuminating color temperature, comprising: a illuminating module, comprising a plurality of illuminating units respectively having different illuminating colors and color temperatures of the illuminating lamps The light-emitting color of the light-emitting units is mixed; a driving module includes a first driving unit and a second driving unit, wherein the first driving unit includes a plurality of first drivers, and the second driving unit includes a plurality of a second driver, the first drivers are connected in parallel with the second drivers, and then connected to the light emitting units to be respectively driven to emit light; and a control module connected to the driving module for use Controlling the driving module to determine the brightness and color temperature of the lighting fixture, wherein the first driving unit is controlled to determine the brightness of the lighting fixture, and the second driver is separately controlled to determine the lighting The color temperature of the lamp.

Please refer to FIG. 2A. FIG. 2A is a schematic diagram of a variable color temperature lighting fixture driven by brightness and color temperature respectively according to a preferred embodiment of the present invention. As shown in FIG. 2A, the variable color temperature lighting fixture 100 driven by the brightness and color temperature of the present invention comprises a control module 2, a driving module 3, and a lighting module 4; wherein the control module 2 is connected to the driving module The group 3 is used to control the driving module 3 to determine the brightness and color temperature of the lighting fixture 100. The driving module 3 includes a first driving unit 31 and a second driving unit 32. The lighting module 4 includes a The first light-emitting unit 41 and the plurality of second units 42 are preferably white LED lights or white fluorescent lights, which are used to provide brightness of the lighting fixture 100, and a plurality of second The light-emitting units 42 respectively have different light-emitting colors, which may include red, green, and blue LED lights, or may include blue and yellow LED lights, and the color temperature of the lighting device 100 is illuminated by all of the second light-emitting units 42. The colors are mixed, for example, red, green, and blue colors can be mixed to achieve the desired color temperature of the lighting fixture 100.

The control module 2 preferably includes a memory unit 21 and a switch unit 22. The memory unit 21 is preferably an electronic erasable rewritable read-only memory (EEPROM), which can be used to store one or more drivers. The condition is that the control module 2 controls the second driving unit 32 to determine the color temperature of the lighting fixture 100. The driving conditions stored in the memory unit 21 respectively correspond to different color temperatures of the lighting fixture 100, and can also be used to store one. The driving condition of the group is continuously controlled by the control module 2 to control the second driving unit 32 to continuously change the color temperature of the lighting fixture 100. The switching unit 22 can be a mechanical switch or an electronic switch for selecting and controlling. The driving conditions used by the module 2, in turn, change the color temperature of the lighting fixture 100. The first driving unit 31 and the second driving unit 32 can be disposed in an integrated circuit. The first driving unit 31 is preferably composed of a plurality of first drivers 311 connected in parallel, and is connected to the first lighting unit 41 for driving. In order to illuminate the second driving unit 32, the second driving unit 32 preferably includes a plurality of second drivers 321 which are connected to the respective second lighting units 42 to be respectively driven to emit light.

The variable color temperature illumination lamp 100 driven by the brightness and color temperature of the present invention electronically controls the first driving unit 31 and the second driving unit 32 to respectively drive the first light emitting element 41 and the plurality of second light emitting elements 42 respectively. Further, the brightness and color temperature of the lighting fixture 100 are adjusted separately, and the resolution of the brightness and the resolution of the color temperature are completely independently adjustable. Preferably, the first driving unit 31 and the second driving unit 32 are respectively composed of a plurality of first drivers 311 and a plurality of second drivers 321 to respectively drive the respective light emitting elements, and the driver is preferably programmable. The driving circuit of the first driving unit 31 has a large driving capability for driving the first light emitting element 41 to generate main brightness, and the driving capability of the second driving unit 32 is small, which is composed of a plurality of second drivers 321 respectively A plurality of second light-emitting elements 42 are driven to individually adjust their colors, and the color mixture is combined to produce a desired color temperature of the lighting fixture 100.

Please refer to FIG. 2B. FIG. 2B is a schematic diagram of a variable color temperature illumination lamp driven by brightness and color temperature respectively according to another preferred embodiment of the present invention. As shown in FIG. 2B, the variable color temperature lighting fixture 101 driven by the brightness and color temperature of the present invention comprises a control module 2, a driving module 3, and a lighting module 4; wherein the control module 2 is connected to the driving module The group 3 is used to control the driving module 3 to determine the brightness and color temperature of the lighting fixture 101. The driving module 3 includes a first driving unit 31 and a second driving unit 32. The lighting module 4 includes a plurality of The light-emitting units 43 respectively have different light-emitting colors, which may include red, green and blue LED lights, or may include blue and yellow LED lights. The color temperature of the lighting device 101 is controlled by all the light-emitting units 43. The illuminating colors are mixed, for example, the red, green and blue colors can be used to simulate the desired color temperature of the lighting fixture 101.

The control module 2 preferably includes a memory unit 21 and a switch unit 22. The memory unit 21 is preferably an electronic erasable rewritable read-only memory (EEPROM), which can be used to store one or more drivers. The condition is that the control module 2 controls the second driving unit 32 to determine the color temperature of the lighting fixture 101. The driving conditions stored in the memory unit 21 respectively correspond to different color temperatures of the lighting fixture 101, and can also be used to store one. The driving condition of the group is controlled by the control module 2 to control the second driving unit 32 to continuously change the color temperature of the lighting fixture 101. The switching unit 22 can be a mechanical switch or an electronic switch, which is used for selecting The driving conditions used by the control module 2, in turn, change the color temperature of the lighting fixture 101. The first driving unit 31 and the second driving unit 32 may be disposed in an integrated circuit, wherein the first driving unit 31 includes a plurality of first drivers 311, and the second driving unit 32 includes a plurality of second drivers 321 The drivers 311 are connected in parallel to the respective second drivers 321 and then respectively connected to the light emitting units 43 to be respectively driven to emit light.

The variable color temperature illumination lamp 101 driven by the brightness and color temperature of the present invention electronically controls the first driving unit 31 and the second driving unit 32 to respectively drive a plurality of light emitting elements 43 to adjust the lighting fixtures 101 respectively. The brightness and color temperature, the resolution of the brightness and the resolution of the color temperature are completely independent and adjustable. The first driving unit 31 and the second driving unit 32 are respectively composed of a plurality of first drivers 311 and a plurality of second drivers 321 , and each of the first drivers 311 is coupled to each of the second drivers 321 . Parallelly connected to the light-emitting unit 43 for driving separately, the driver is preferably a drive circuit capable of driving the program; the first drive unit 31 has a large driving capability, and the respective light-emitting elements 43 are respectively transmitted through the first drivers 311. Driving to generate the main brightness of the lighting fixture 101, the driving capability of the second driving unit 32 is small, and each of the light-emitting elements 43 is driven by each of the second drivers 321 to adjust the color thereof separately, thereby mixing colors to generate desired illumination. The color temperature of the luminaire 101.

Referring to FIG. 3, FIG. 3 is a circuit diagram of a first driver and a second driver for implementing a variable color temperature illumination lamp respectively driven by the brightness and color temperature of the present invention. The first driver 311 and the second driver 321 are preferably digital analog conversion. Digital-to-analog converter (DAC), which converts the input digital signal into a corresponding analog voltage output to adjust the brightness and color temperature respectively, because the components of the digital analog converter are integrable The first driving unit 31 and the second driving unit 32 of the present invention can be suitably disposed in an integrated circuit.

The variable color temperature illumination lamp driven by the brightness color temperature of the invention can adjust the brightness and the color temperature respectively according to the needs of the user, and is dependent on the characteristics of light, such as red light, blue light and green light, or blue light and yellow light. Light and other different primary colors are mixed to simulate different color temperatures, and the color temperature can be color temperature or pink. Please refer to FIG. 4. FIG. 4 is a schematic diagram showing the control states of the variable color temperature lighting fixtures respectively driven by the brightness and color temperature according to a preferred embodiment of the present invention. In this embodiment, the memory unit 21 stores the driving conditions of white light, neon light, and yellow light. The user can adjust the switching unit 22 to switch the variable color temperature lighting lamps respectively driven by the brightness color temperature of the present invention to white light and dawn. Or the illuminating state of yellow light.

Since the variable color temperature lighting lamps respectively driven by the brightness and color temperature of the present invention can adjust the brightness and the color temperature respectively, and provide a plurality of pre-calibrated color temperature colors or pink colors; for the manufacturer, the manufacturer can The different driving conditions of the adjustment are preset to be stored in the programmable memory for selection during use, thereby greatly reducing the inventory and cost; and for the user, in addition to the color temperature or brightness which should be purchased without having to worry about the store. In addition to the lighting fixtures, the brightness and color temperature of the lighting fixtures can be adjusted according to the needs of the lighting fixtures. Therefore, the invention further enhances the lighting to a new level.

The above-mentioned embodiments are merely examples for convenience of description, and the scope of the claims is intended to be limited to the above embodiments.

100,101. . . Lighting fixture

2. . . Control module

twenty one. . . Memory unit

twenty two. . . Switch unit

3. . . Drive module

31. . . First drive unit

311. . . First drive

32. . . Second drive unit

321. . . Second drive

4. . . Light module

41. . . First lighting unit

42. . . Second lighting unit

43. . . Light unit

Figure 1 is a chromaticity diagram of a conventional color temperature curve.

2A is a schematic diagram of a variable color temperature lighting fixture driven by brightness and color temperature respectively according to a preferred embodiment of the present invention.

2B is a schematic diagram of a variable color temperature lighting fixture driven by brightness and color temperature respectively according to another preferred embodiment of the present invention.

3 is a circuit diagram of a first driver and a second driver of a variable color temperature lighting fixture respectively driven by luminance and color temperature according to a preferred embodiment of the present invention.

4 is a schematic diagram showing the control state of a variable color temperature lighting fixture driven by brightness and color temperature respectively according to a preferred embodiment of the present invention.

100. . . Lighting fixture

2. . . Control module

twenty one. . . Memory unit

twenty two. . . Switch unit

3. . . Drive module

31. . . First drive unit

311. . . First drive

32. . . Second drive unit

321. . . Second drive

4. . . Light module

41. . . First lighting unit

42. . . Second lighting unit

Claims (23)

A variable color temperature illumination lamp driven by a brightness color temperature, comprising: a light emitting module comprising a first light emitting unit and a plurality of second light emitting units, wherein the first light emitting unit is configured to provide brightness of the lighting fixture The second illumination units respectively have different illumination colors, and the color temperature of the illumination lamps is formed by color mixing of the illumination colors of the second illumination units; a driving module includes a first driving unit and a second a driving unit, wherein the first driving unit is connected to the first lighting unit for driving to emit light, and the second driving unit comprises a plurality of second drivers respectively connected to the second lighting units for respectively performing Driving to illuminate; and a control module coupled to the driving module for controlling the driving module to determine the brightness and color temperature of the lighting fixture, wherein the first driving unit is Controlling to determine the brightness of the lighting fixture, and controlling the color temperature of the lighting fixture by controlling the second drivers separately; The first light emitting unit of the LED-based white light, and a second light emitting unit such lines include a red, green, and blue of the LED light. The lighting fixture of claim 1, wherein the second lighting unit comprises a yellow LED light. The lighting fixture of claim 1, wherein the first driving unit is composed of a plurality of first drivers connected in parallel. The lighting fixture of claim 3, wherein the first driver is a digital analog converter. The lighting fixture of claim 1, wherein the second driver is a digital analog converter. The lighting fixture of claim 1, wherein the first driving unit and the second driving unit are disposed in an integrated circuit. The lighting fixture of claim 1, wherein the control module further comprises a memory unit for storing one or more driving conditions for the control module to control the second driving unit, The color temperature of the lighting fixture is further determined, wherein the one or more driving conditions respectively correspond to different color temperatures of the lighting fixture. The lighting fixture of claim 1, wherein the memory unit is an electronic erasable rewritable read-only memory. The lighting fixture of claim 7, wherein the control module further comprises a switch unit for selecting a driving condition used by the control module to change a color temperature of the lighting fixture. The lighting fixture of claim 9, wherein the switch unit is preferably a mechanical switch or an electronic switch. The lighting fixture of claim 1, wherein the control module further comprises a memory unit for storing a set of continuously changing driving conditions for the control module to perform the second driving unit Control to continuously change the color temperature of the lighting fixture. The lighting fixture of claim 1, wherein the color temperature of the lighting fixture is color temperature or pink. A color-changeable temperature illumination lamp driven by a brightness color temperature, comprising: a light-emitting module, comprising a plurality of light-emitting units respectively having different illumination colors, wherein the color temperature of the illumination lamps is mixed by the illumination colors of the illumination units a driving module comprising a first driving unit and a second driving unit, wherein the first driving unit comprises a plurality of first drivers, the second driving unit comprises a plurality of second drivers, the first drivers Parallelly connected to the second drivers, and then connected to the light emitting units for driving to respectively emit light; and a control module connected to the driving module for controlling the driving module And determining the brightness and color temperature of the lighting fixture, wherein the first driving unit is controlled to determine the brightness of the lighting fixture, and the second driver is separately controlled to determine the color temperature of the lighting fixture Wherein the light-emitting units comprise red, green, and blue LED lights. The lighting fixture of claim 13, wherein the lighting units comprise yellow LED lights. The lighting fixture of claim 13, wherein the first driver is a digital analog converter. The lighting fixture of claim 13, wherein the second driver is a digital analog converter. The lighting fixture of claim 13, wherein the first driving unit and the second driving unit are disposed in an integrated circuit. The lighting fixture of claim 13, wherein the control module further comprises a memory unit for storing one or more driving conditions for the control module to control the second driving unit, The color temperature of the lighting fixture is further determined, wherein the one or more driving conditions respectively correspond to different color temperatures of the lighting fixture. The lighting fixture of claim 18, wherein the memory unit is an electronic erasable rewritable read-only memory. The lighting fixture of claim 18, wherein the control module further comprises a switch unit for selecting a driving condition used by the control module to change a color temperature of the lighting fixture. The lighting fixture of claim 20, wherein the switch unit is preferably a mechanical switch or an electronic switch. The lighting fixture of claim 13, wherein the control module further comprises a memory unit for storing a set of continuously changing driving conditions for the control module to perform the second driving unit Control to continuously change the color temperature of the lighting fixture. The lighting fixture of claim 13, wherein the color temperature of the lighting fixture is color temperature or pink.