CN209856995U

CN209856995U - Lamp capable of changing color temperature

Info

Publication number: CN209856995U
Application number: CN201920594560.2U
Authority: CN
Inventors: 杜姬芳; 杜艳芳; 王伟; 孟勇亮
Original assignee: Hombo Technology PLC
Current assignee: Hombo Technology PLC
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-12-27
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a lamp capable of changing color temperature, which comprises a lamp shell, a luminescent device, a light filtering piece for changing color temperature and a shifting mechanism; the light emitting device is arranged in the lamp shell, the shifting mechanism is arranged on the lamp shell, the filter is arranged on the shifting mechanism, and the shifting mechanism is used for shifting the filter to the position above the light emitting device or to the position deviating from the light emitting device. When the color temperature of the lamp needs to be changed, the light filtering piece is shifted through the shifting mechanism, and the light emitted by the light emitting device is filtered by the light filtering piece shifted to the upper side of the light emitting device, so that lamp light with different color temperatures is obtained, the lamp can provide different color temperature illumination scenes, and the lamp has the advantage of strong adaptability.

Description

Lamp capable of changing color temperature

Technical Field

The utility model relates to a lamps and lanterns, in particular to can change lamps and lanterns of colour temperature

Background

Some existing lamps cannot change the luminous color temperature of the lamps after leaving the factory and cannot meet different requirements on the luminous color temperature in different scenes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide the lamps and lanterns that can change the colour temperature.

The utility model discloses a realize through following technical scheme:

the lamp capable of changing the color temperature comprises a lamp shell, a light-emitting device, a filter for changing the color temperature and a shifting mechanism; the light emitting device is arranged in the lamp shell, the shifting mechanism is arranged on the lamp shell, the filter is arranged on the shifting mechanism, and the shifting mechanism is used for shifting the filter to the position above the light emitting device or to the position deviating from the light emitting device.

Preferably, the displacement mechanism comprises a rollable light-transmitting belt, two rolling rods and a driving device; two the relative parallel arrangement of rod, the both ends in printing opacity area are rolled up respectively in two the rod, light emitting device is located the downside in the printing opacity area of not rolling, the fixed setting of optical filtering part is in on the printing opacity area, optical filtering part can curl and can be rolled up in the rod, drive arrangement is used for the drive the rod rotates the messenger the printing opacity area removes.

Preferably, the driving device comprises two driving motors, and the two driving motors respectively and independently drive the two rollers to rotate.

Preferably, the lamp housing includes a bottom case, two mounting seats corresponding to the two roll rods are disposed on the bottom case, and one end portions of the two roll rods are pivotally connected to the bottom case, and the other end portions of the two roll rods are pivotally connected to the corresponding mounting seats.

Preferably, the optical filter is provided with a plurality of optical filters, the optical filters are sequentially arranged on the light-transmitting belt, and the color temperatures of the optical filters are different.

Preferably, the light-transmitting belt is made of transparent materials.

The lamp capable of changing the color temperature at least has the following technical effects: when the color temperature of the lamp needs to be changed, the light filtering piece is shifted through the shifting mechanism, and the light emitted by the light emitting device is filtered by the light filtering piece shifted to the upper side of the light emitting device, so that lamp light with different color temperatures is obtained, the lamp can provide different color temperature illumination scenes, and the lamp has the advantage of strong adaptability.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the embodiment of the present invention with the front cover removed.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1 and 2, a lamp capable of changing color temperature includes: the LED lamp comprises a lamp shell 1, a light-emitting device 2, a filter 3 for changing color temperature and a shifting mechanism 4, wherein the light-emitting device 2 is arranged in the lamp shell 1, the shifting mechanism 4 is arranged in the lamp shell 1, the filter 3 is arranged in the shifting mechanism 4, and the shifting mechanism 4 is used for shifting the filter 3 to the position above the light-emitting device 2 or to the position deviating from the light-emitting device 2. When the color temperature of the lamp needs to be changed, the light filtering piece 3 is shifted through the shifting mechanism 4, and the light emitted by the light emitting device 2 is filtered by the light filtering piece 3 shifted to the position above the light emitting device 2, so that lamp light with different color temperatures is obtained, and the lamp can provide different color temperature illumination scenes. The filter 3 for changing the color temperature may be a filter, a film filter, a filter or other optical filter capable of changing the color temperature of light.

Referring to fig. 3, in the present embodiment, the displacement mechanism 4 includes a light-transmitting band 41 that can be wound, two rollers 42, and a driving device; two the relative parallel arrangement of rod 42, the both ends of printing opacity area 41 are rolled up respectively in two the rod 42, emitting device 2 is located the downside of the printing opacity area 41 that is not rolled up, filter 3 is fixed to be set up on the printing opacity area 41, filter 3 can curl and can be rolled up in rod 42, drive arrangement is used for the drive rod 42 rotates the messenger printing opacity area 41 removes. When the color temperature of the lamp needs to be changed, the two rollers 42 are rotated to move the light-transmitting belt 41, the filter 3 on the light-transmitting belt 41 moves along with the movement of the light-transmitting belt 41, and when the filter 3 is positioned above the light-emitting device 2, the filter 3 filters the light of the light-emitting device 2 to change the color temperature of the lamp. When the rolling rods 42 rotate to roll the filter 3 on any rolling rod 42, the lamp returns to the previous color temperature state. In this embodiment, the filter 3 may be a rollable optical filter such as a filter film or a filter film. The filter 3 can be fixed on the light-transmitting tape 41 by means of adhesion.

In this embodiment, it is preferable that the driving device includes two driving motors 43, and the two driving motors 43 respectively and independently drive the two rollers 42 to rotate. The movement of the light transmission belt 41 can be realized by rotating one driving motor 43 and powering off or rotating the other driving motor 43 in the same direction. In the present embodiment, the output shaft of the driving motor 43 is coaxially connected to the winding roller 42 via a coupling 44. In other embodiments, the output shaft of the driving motor 43 can also be connected to the winding roller 42 through a gear set, which can be a single-stage or multi-stage reduction gear set. In the art, there are many connection ways for realizing the rotation of an object driven by a motor, which are not listed here.

In this embodiment, the lamp housing 1 includes a bottom case 11, two mounting seats 13 corresponding to the two winding rods 42 are disposed on the bottom case 11, and one end of each of the two winding rods 42 is pivotally connected to the bottom case 11, and the other end is pivotally connected to the corresponding mounting seat 13. Through the above arrangement, the two ends of the roll 42 are supported, and the roll 42 is stable in rotation. In this embodiment, the driving motor 43 is mounted on the mounting base 13. The mounting base 13 is fixedly connected with the bottom shell 11 through a threaded fastener.

In this embodiment, the lamp housing 1 further includes a face housing 12, and the face housing 12 is connected to the lamp housing 1.

Preferably, the light filter 3 is provided with a plurality of light filters, and the light filters 3 are sequentially arranged on the light-transmitting strip 41 and have different color temperatures, and the color temperature of the light filters 3 is different. By arranging various different light filtering pieces 3, the lamp has more color temperature choices.

In the case where the light source does not need to be preliminarily filtered, the light-transmitting strip 41 is made of a transparent material.

In this embodiment, the light emitting device 2 includes a substrate 21 and an LED lamp bead 22 disposed on the substrate 21, a lens 23 is disposed at the LED lamp bead 22, and the lens 23 is fixed on the substrate 21.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Lamp capable of changing color temperature, characterized by comprising: the LED lamp comprises a lamp shell (1), a light-emitting device (2), a light filtering piece (3) for changing color temperature and a shifting mechanism (4); the light-emitting device (2) is arranged in the lamp shell (1), the shifting mechanism (4) is installed on the lamp shell (1), the light filtering piece (3) is arranged on the shifting mechanism (4), and the shifting mechanism (4) is used for shifting the light filtering piece (3) to the position above the light-emitting device (2) or to the position deviating from the light-emitting device (2).

2. A lamp capable of changing color temperature according to claim 1, characterized in that the displacement mechanism (4) comprises a rollable light-transmitting belt (41), two rolling rods (42) and a driving device; two roll up rod (42) parallel arrangement relatively, the both ends of printing opacity area (41) are rolled up respectively in two roll up rod (42), luminescent device (2) are located the downside of the printing opacity area (41) of not rolling, filter (3) are fixed to be set up on printing opacity area (41), filter (3) can curl and can be rolled up in roll up rod (42), drive arrangement is used for the drive roll up rod (42) rotate the messenger printing opacity area (41) remove.

3. A lamp as claimed in claim 2, wherein said driving means comprises two driving motors (43), and said two driving motors (43) respectively and independently drive said two rollers (42) to rotate.

4. A lamp capable of changing color temperature according to claim 2, wherein the lamp housing (1) comprises a bottom shell (11), the bottom shell (11) is provided with two mounting seats (13) corresponding to the two rolling rods (42), one end of each rolling rod (42) is pivoted on the bottom shell (11), and the other end is pivoted on the corresponding mounting seat (13).

5. A lamp capable of changing color temperature according to claim 2, wherein the light-filtering member (3) is provided in plurality, the plurality of light-filtering members (3) are sequentially arranged on the light-transmitting strip (41), and the color temperature filtered by the plurality of light-filtering members (3) is different.

6. A lamp as claimed in claim 2, characterized in that the light-transmitting strip (41) is made of a transparent material.