WO2014194652A1 - Desk lamp with adjustable colour temperature - Google Patents

Desk lamp with adjustable colour temperature Download PDF

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Publication number
WO2014194652A1
WO2014194652A1 PCT/CN2013/090174 CN2013090174W WO2014194652A1 WO 2014194652 A1 WO2014194652 A1 WO 2014194652A1 CN 2013090174 W CN2013090174 W CN 2013090174W WO 2014194652 A1 WO2014194652 A1 WO 2014194652A1
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WIPO (PCT)
Prior art keywords
color temperature
substrate
white led
control circuit
color
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Application number
PCT/CN2013/090174
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French (fr)
Chinese (zh)
Inventor
陈琦
Original Assignee
Chen Qi
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Publication of WO2014194652A1 publication Critical patent/WO2014194652A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the utility model relates to the technical field of lighting lamps, and more particularly to a desk lamp capable of color temperature.
  • the desk lamp is a kind of household appliance used for lighting in people's life. Its working principle is mainly to concentrate the light in a small area, which is convenient for work and study. among them, LED table lamp is LED (Light Emitting Diode) That is to say, the light-emitting diode is a light source table lamp, which is energy-saving, environmentally friendly, safe and reliable compared with the conventional incandescent lamp and fluorescent lamp.
  • LED table lamp is LED (Light Emitting Diode) That is to say, the light-emitting diode is a light source table lamp, which is energy-saving, environmentally friendly, safe and reliable compared with the conventional incandescent lamp and fluorescent lamp.
  • the color temperature is a scale indicating the light color of the light source, and is the most common index indicating the spectral quality of the light source.
  • the color temperature of the light source is different, and the light color is different, which brings different feelings. Therefore, it is sometimes necessary to adjust the color temperature of the light source.
  • the color temperature is fixed, so most of the current LED desk lamps adjust the color temperature.
  • the present invention aims to solve the above technical problems at least to some extent.
  • the purpose of the utility model is to provide a color temperature table lamp which has a simple and reasonable structure and reduces the production cost.
  • a color temperatureable table lamp comprising a support base, the support base is provided with a substrate and a control circuit, and the substrate is provided with at least two LEDs of different color temperatures Chip, said The LED chips are controlled by control circuits, respectively.
  • the utility model is provided with LEDs of at least two different color temperatures
  • the chips are respectively controlled by the control circuit, and the white light of different color temperatures is synthesized by the driving current of the control circuit, the structure is simple and reasonable, the production cost is low, and the utility model has wider adaptability, and the same lamp can be adjusted to obtain different color temperatures, which is convenient for the user to use. .
  • the LED chip includes at least one high color temperature white LED chip and at least one low color temperature white LED
  • the chip can thereby increase the adjustment range of the color temperature in the present invention, and thus has wider adaptability for use.
  • the LED The chips are distributed in an array on the substrate, arranged neatly, and the illumination is concentrated uniformly.
  • the LED chip can be symmetrically distributed on the substrate in other centers, such as a circular distribution.
  • the low color temperature LED chip is disposed in the middle, and the high color temperature LED The chip is placed on both sides.
  • the low color temperature LED chip and the high color temperature LED chip are alternately arranged in sequence.
  • a side of the LED chip facing away from the substrate is provided with a diffusion sheet.
  • the diffuser can make the LED The light from the chip is evenly visible.
  • the support base is a foldable structure.
  • the support base is formed by a plurality of support plates hinged so as to be foldable or partially folded.
  • the support can be completely folded and reduced in shape when not in use. It can also be adjusted by folding when needed, which is convenient for users.
  • the utility model has the beneficial effects that the utility model is provided with at least two LEDs of different color temperatures
  • the chips are respectively controlled by the control circuit, and the white light of different color temperatures is synthesized by the driving current of the control circuit, the structure is simple and reasonable, the production cost is low, and the utility model has wider adaptability, and the same lamp can be adjusted to obtain different color temperatures, which is convenient for the user to use. .
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • Figure 2 is a partial enlarged view of Figure 1.
  • the color temperature of the table lamp of the present invention comprises a support base 101.
  • the support base 101 is a foldable structure formed by a plurality of support plates hinged or fixed, and can be completely folded or partially folded.
  • the support base 101 is provided with a substrate and a control circuit (not shown), wherein the substrate is disposed on the support base 101.
  • a control circuit (not shown), wherein the substrate is disposed on the support base 101.
  • the substrate is disposed on the support base 101.
  • at least two LED chips of different color temperatures are provided on the substrate. Controlled by the control circuit, the white light of different color temperatures is synthesized by the driving current of the control circuit, so that the same lamp can be adjusted to obtain different color temperatures, which is convenient for the user to use.
  • the LED chips 102 are distributed in an array on the substrate, and include at least one high color temperature LED chip 103. And at least one low color temperature LED chip 104 is arranged neatly and uniformly concentrated. The low color temperature LED chip 104 is distributed in the middle, and the high color temperature LED chip 103 Distributed on both sides. A side of the LED chip 102 facing away from the substrate is provided with a diffusion sheet 105, so that the light emitted from the LED chip 102 can be uniformly transmitted.
  • the difference between this embodiment and the embodiment 1 is that in the embodiment, the low color temperature LED chip and the high color temperature LED are The chips are alternately arranged in sequence.
  • the LED chips can be arbitrarily distributed on the substrate as needed, for example, other central symmetric distributions, such as a circular distribution.
  • the other structure is the same as that of the embodiment 1.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Disclosed is a desk lamp with an adjustable colour temperature, comprising a supporting seat (101), wherein the supporting seat is provided with a substrate and a control circuit, the substrate is provided with at least two white LED chips (102) with different colour temperatures, and the white LED chips are respectively controlled by the control circuit. The two white LED chips with different colour temperatures are respectively controlled by the control circuit. White light rays with different colour temperatures are synthesized by a drive current of the control circuit. The structure is simple and reasonable, and the production cost is low, thereby having wide applicability. The desk lamp can obtain different colour temperatures by adjustment, and is easy for a user to use.

Description

一种可调色温的台灯a table lamp with color temperature
技术领域 Technical field
本实用新型涉及照明灯具技术领域，更具体地，涉及一种可调色温的台灯。 The utility model relates to the technical field of lighting lamps, and more particularly to a desk lamp capable of color temperature.
背景技术 Background technique
台灯是人们生活中用来照明的一种家用电器，它的工作原理主要是把灯光集中在一小块区域内，便于工作和学习。其中， LED 台灯是以 LED(Light Emitting Diode) 即发光二极管为光源的台灯，相比传统的白炽灯、荧光灯等具有节能、环保、安全可靠的特点。 The desk lamp is a kind of household appliance used for lighting in people's life. Its working principle is mainly to concentrate the light in a small area, which is convenient for work and study. among them, LED table lamp is LED (Light Emitting Diode) That is to say, the light-emitting diode is a light source table lamp, which is energy-saving, environmentally friendly, safe and reliable compared with the conventional incandescent lamp and fluorescent lamp.
现有技术中，色温是表示光源光色的尺度，是表示光源光谱质量最通用的指标。光源色温不同，光色也不同，带来的感觉也不相同。因此，有时需要对光源的色温进行调节。然而，由于对单个白光 LED 来说，其色温是固定不变的，因此目前的 LED 台灯大多对色温进行调节。 In the prior art, the color temperature is a scale indicating the light color of the light source, and is the most common index indicating the spectral quality of the light source. The color temperature of the light source is different, and the light color is different, which brings different feelings. Therefore, it is sometimes necessary to adjust the color temperature of the light source. However, due to a single white light For LEDs, the color temperature is fixed, so most of the current LED desk lamps adjust the color temperature.
实用新型内容 Utility model content
本实用新型旨在至少在一定程度上解决上述技术问题。 The present invention aims to solve the above technical problems at least to some extent.
本实用新型的目的是提供一种结构简单合理，降低生产成本的可调色温的台灯。 The purpose of the utility model is to provide a color temperature table lamp which has a simple and reasonable structure and reduces the production cost.
本实用新型解决其技术问题所采用的技术方案是：一种可调色温的台灯，包括支撑座，所述支撑座设有基板和控制电路，所述基板设有至少两种不同色温的 LED 芯片，所述 LED 芯片分别由控制电路控制。 The technical solution adopted by the utility model to solve the technical problem is: a color temperatureable table lamp, comprising a support base, the support base is provided with a substrate and a control circuit, and the substrate is provided with at least two LEDs of different color temperatures Chip, said The LED chips are controlled by control circuits, respectively.
本实用新型设有至少两种不同色温的 LED 芯片，分别由控制电路进行控制，通过控制电路的驱动电流合成不同色温的白光，结构简单合理，生产成本低，并且具有更广的使用适应性，同一台灯可通过调节获得不同色温，方便用户使用。 The utility model is provided with LEDs of at least two different color temperatures The chips are respectively controlled by the control circuit, and the white light of different color temperatures is synthesized by the driving current of the control circuit, the structure is simple and reasonable, the production cost is low, and the utility model has wider adaptability, and the same lamp can be adjusted to obtain different color temperatures, which is convenient for the user to use. .
在一个实施方式中，所述 LED 芯片包括至少一种高色温的白光 LED 芯片和至少一种低色温的白光 LED 芯片，从而能够增大本实用新型中色温的调节范围，进而具有更广的使用适应性。优选地，所述 LED 芯片在基板上呈阵列分布，排布整齐，发光集中均匀。当然，在其他实施方式中，所述 LED 芯片在基板上还能呈其他中心对称分布，比如环形分布等。 In one embodiment, the LED chip includes at least one high color temperature white LED chip and at least one low color temperature white LED The chip can thereby increase the adjustment range of the color temperature in the present invention, and thus has wider adaptability for use. Preferably, the LED The chips are distributed in an array on the substrate, arranged neatly, and the illumination is concentrated uniformly. Of course, in other embodiments, the LED chip can be symmetrically distributed on the substrate in other centers, such as a circular distribution.
在本实用新型的一个实施方式中，所述低色温的 LED 芯片设于中间，所述高色温的 LED 芯片设于两侧。在本实用新型的另一个实施方式中，所述低色温的 LED 芯片和高色温的 LED 芯片依次交替布置。 In an embodiment of the present invention, the low color temperature LED chip is disposed in the middle, and the high color temperature LED The chip is placed on both sides. In another embodiment of the present invention, the low color temperature LED chip and the high color temperature LED chip are alternately arranged in sequence.
在一个优选实施方式中，所述 LED 芯片背向基板的一侧设有扩散片。扩散片能够使得 LED 芯片发出的光均匀透出。 In a preferred embodiment, a side of the LED chip facing away from the substrate is provided with a diffusion sheet. The diffuser can make the LED The light from the chip is evenly visible.
在一个实施方式中，所述支撑座为能够折叠的结构。例如支撑座由若干支撑板通过铰接形成，从而能够折叠或者部分折叠。在不使用时能够将支撑座完全折叠，缩小形状。在使用时也可根据需要通过折叠进行调节，方便用户使用。 In one embodiment, the support base is a foldable structure. For example, the support base is formed by a plurality of support plates hinged so as to be foldable or partially folded. The support can be completely folded and reduced in shape when not in use. It can also be adjusted by folding when needed, which is convenient for users.
本实用新型的有益效果是：本实用新型设有至少两种不同色温的 LED 芯片，分别由控制电路进行控制，通过控制电路的驱动电流合成不同色温的白光，结构简单合理，生产成本低，并且具有更广的使用适应性，同一台灯可通过调节获得不同色温，方便用户使用。 The utility model has the beneficial effects that the utility model is provided with at least two LEDs of different color temperatures The chips are respectively controlled by the control circuit, and the white light of different color temperatures is synthesized by the driving current of the control circuit, the structure is simple and reasonable, the production cost is low, and the utility model has wider adaptability, and the same lamp can be adjusted to obtain different color temperatures, which is convenient for the user to use. .
附图说明 DRAWINGS
图 1 是本实用新型一个实施例的结构示意图。 1 is a schematic structural view of an embodiment of the present invention.
图 2 是图 1 的局部放大图。 Figure 2 is a partial enlarged view of Figure 1.
附图仅用于示例性说明，不能理解为对本实用新型的限制；为了更好说明实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的。 The drawings are for illustrative purposes only and are not to be considered as limiting of the present invention; some of the components of the drawings may be omitted, enlarged or reduced for better illustration of the embodiments, and do not represent the dimensions of the actual product; It will be understood by those skilled in the art that certain known structures and their description may be omitted.
具体实施方式 detailed description
下面结合附图和具体实施例，对本实用新型做进一步详细说明。 The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
实施例 1 Example 1
如图 1 、图 2 所示，本实用新型的一种可调色温的台灯，包括支撑座 101 。本实施例中，所述支撑座 101 为能够折叠的结构，由若干支撑板通过铰接或固定形成，能够完全折叠或者部分折叠。 As shown in FIG. 1 and FIG. 2, the color temperature of the table lamp of the present invention comprises a support base 101. In this embodiment, the support base 101 is a foldable structure formed by a plurality of support plates hinged or fixed, and can be completely folded or partially folded.
支撑座 101 设有基板和控制电路（未示出），其中基板设于支撑座 101 的顶部，基板上设有至少两种不同色温的 LED 芯片 102 ，分别由控制电路进行控制，通过控制电路的驱动电流合成不同色温的白光，从而同一台灯可通过调节获得不同色温，方便用户使用。 The support base 101 is provided with a substrate and a control circuit (not shown), wherein the substrate is disposed on the support base 101. On top of the substrate, at least two LED chips of different color temperatures are provided on the substrate. Controlled by the control circuit, the white light of different color temperatures is synthesized by the driving current of the control circuit, so that the same lamp can be adjusted to obtain different color temperatures, which is convenient for the user to use.
本实施例中，所述 LED 芯片 102 在基板上呈阵列分布，包括至少一种高色温的 LED 芯片 103 和至少一种低色温的 LED 芯片 104 ，排布整齐，发光集中均匀。其中低色温的 LED 芯片 104 分布在中间，高色温的 LED 芯片 103 分布在两侧。 LED 芯片 102 背向基板的一侧设有扩散片 105 ，能够使得 LED 芯片 102 发出的光均匀透出。 In this embodiment, the LED chips 102 are distributed in an array on the substrate, and include at least one high color temperature LED chip 103. And at least one low color temperature LED chip 104 is arranged neatly and uniformly concentrated. The low color temperature LED chip 104 is distributed in the middle, and the high color temperature LED chip 103 Distributed on both sides. A side of the LED chip 102 facing away from the substrate is provided with a diffusion sheet 105, so that the light emitted from the LED chip 102 can be uniformly transmitted.
实施例 2 Example 2
本实施例与实施例 1 的不同之处在于：本实施例中，所述低色温的 LED 芯片和高色温的 LED 芯片依次交替布置。当然，在其他实施例中，所述 LED 芯片在基板上可根据需要任意分布，例如其他中心对称分布，比如环形分布等。 The difference between this embodiment and the embodiment 1 is that in the embodiment, the low color temperature LED chip and the high color temperature LED are The chips are alternately arranged in sequence. Of course, in other embodiments, the LED chips can be arbitrarily distributed on the substrate as needed, for example, other central symmetric distributions, such as a circular distribution.
其他结构与实施例 1 相同。 The other structure is the same as that of the embodiment 1.
显然，本实用新型的上述实施例仅仅是为清楚地说明本实用新型所作的举例，而并非是对本实用新型的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型权利要求的保护范围之内。 It is apparent that the above-described embodiments of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Claims (7)

  1. 一种可调色温的台灯，包括支撑座，所述支撑座设有基板和控制电路，其特征在于，所述基板设有至少两种不同色温的白光 LED 芯片，所述 LED 芯片分别由控制电路控制。 A color temperature desk lamp, comprising a support base, wherein the support base is provided with a substrate and a control circuit, wherein the substrate is provided with at least two white LEDs of different color temperatures Chips, the LED chips are respectively controlled by a control circuit.
  2. 根据权利要求 1 所述的可调色温的台灯，其特征在于，所述 LED 芯片包括至少一种高色温的白光 LED 芯片和至少一种低色温的白光 LED 芯片。A color temperatureable table lamp according to claim 1, wherein said LED chip comprises at least one high color temperature white LED A chip and at least one low color temperature white LED chip.
  3. 根据权利要求 2 所述的可调色温的台灯，其特征在于，所述白光 LED 芯片在基板上呈阵列分布。A color temperatureable table lamp according to claim 2, wherein said white LED chips are arranged in an array on the substrate.
  4. 根据权利要求 3 所述的可调色温的台灯，其特征在于，所述低色温的白光 LED 芯片设于中间，所述高色温的白光 LED 芯片设于两侧。The color temperatureable table lamp according to claim 3, wherein the low color temperature white LED chip is disposed in the middle, and the high color temperature white LED The chip is placed on both sides.
  5. 根据权利要求 3 所述的可调色温的台灯，其特征在于，所述低色温的白光 LED 芯片和高色温的白光 LED 芯片依次交替布置。A color temperatureable table lamp according to claim 3, wherein said low color temperature white LED chip and high color temperature white LED The chips are alternately arranged in sequence.
  6. 根据权利要求 1 至 5 任一项所述的可调色温的台灯，其特征在于，所述 LED 芯片背向基板的一侧设有扩散片。A color temperatureable table lamp according to any one of claims 1 to 5, wherein said LED A diffusion sheet is provided on one side of the chip facing away from the substrate.
  7. 根据权利要求1所述的可调色温的台灯，其特征在于，所述支撑座为能够折叠的结构。A color temperatureable table lamp according to claim 1, wherein said support base is of a foldable structure.
PCT/CN2013/090174 2013-06-07 2013-12-22 Desk lamp with adjustable colour temperature WO2014194652A1 (en)

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CN2013203276620U CN203298062U (en) 2013-06-07 2013-06-07 Table lamp with adjustable color temperature
CN201320327662.0 2013-06-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203298062U (en) * 2013-06-07 2013-11-20 陈琦 Table lamp with adjustable color temperature
CN105374807A (en) * 2015-12-03 2016-03-02 易美芯光（北京）科技有限公司 Color temperature adjustable LED integrated light source

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CN201851937U (en) * 2010-11-16 2011-06-01 山东华盈电力能源发展有限公司 LED (Light-Emitting Diode) lamp with color temperature being adjusted
CN201866600U (en) * 2010-10-20 2011-06-15 王子能 LED backlight source lamp
CN203298062U (en) * 2013-06-07 2013-11-20 陈琦 Table lamp with adjustable color temperature

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CN101494939A (en) * 2009-03-05 2009-07-29 福建鸿博光电科技有限公司 LED adjustable color temperature lamp
CN201866600U (en) * 2010-10-20 2011-06-15 王子能 LED backlight source lamp
CN201851937U (en) * 2010-11-16 2011-06-01 山东华盈电力能源发展有限公司 LED (Light-Emitting Diode) lamp with color temperature being adjusted
CN203298062U (en) * 2013-06-07 2013-11-20 陈琦 Table lamp with adjustable color temperature

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