CN116951360A - Exhibition hall color temperature adjusting lamp and color temperature adjusting method - Google Patents
Exhibition hall color temperature adjusting lamp and color temperature adjusting method Download PDFInfo
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- CN116951360A CN116951360A CN202310873097.6A CN202310873097A CN116951360A CN 116951360 A CN116951360 A CN 116951360A CN 202310873097 A CN202310873097 A CN 202310873097A CN 116951360 A CN116951360 A CN 116951360A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000005286 illumination Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 206010052143 Ocular discomfort Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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]
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The application relates to a exhibition hall color temperature adjusting lamp and a color temperature adjusting method thereof, wherein the lamp comprises: the LED lamp comprises a shell and a light-emitting substrate, wherein a retaining wall, a first light-emitting area and a second light-emitting area are arranged on the light-emitting substrate, the first light-emitting area is separated by the retaining wall, the first light-emitting area comprises a first light-emitting subunit, the second light-emitting area comprises at least one second light-emitting subunit, and the color temperature of the first light-emitting subunit is larger than that of the second light-emitting subunit; the light adjusting plate comprises a first light adjusting opening corresponding to the first light emitting subunit; the device comprises an ambient light sensor, an image acquisition unit, a wireless communication module and a driving unit, wherein the driving unit receives a dimming signal and controls the position of at least one first dimming opening relative to the first light-emitting subunit to change according to the dimming signal so as to control the light-emitting quantity of the first light-emitting subunit.
Description
Technical Field
The application relates to the field of exhibition hall illumination, in particular to a lamp for adjusting color temperature of an exhibition hall and a color temperature adjusting method.
Background
In some buildings, white or metal domes are used as building materials, in combination with indoor white painting, to make the light intensity distribution of the light-producing portion uneven, unsuitable, or have extreme contrast in space or time, so as to cause visual discomfort and visual conditions that reduce the visibility of objects. Thus, glare is also an important indicator for evaluating the indoor lighting of a building showroom.
Most of the current LED color temperature adjusting devices adopt a pulse width modulation technology to change the color temperature of LEDs, and different LED driving circuit structures are required to be arranged according to different color temperature requirements and LED arrangement.
Disclosure of Invention
In view of the above, the present application provides a color temperature adjusting lamp and a color temperature adjusting method for an exhibition hall, and aims to provide a simple and effective color temperature adjusting lamp, which uses the existing LED package chip without changing the structure of the LED driving circuit.
In order to achieve the above purpose, the application adopts the following technical scheme:
a fixture for adjusting color temperature of an exhibition hall, comprising: a housing including a light outlet opening; the light-emitting substrate is clamped with the shell, and the light-emitting surface of the light-emitting substrate faces the light-emitting opening.
The retaining wall is positioned on one side surface of the light emitting substrate and is used for limiting a plurality of light emitting areas; the light emitting region comprises a first light emitting region and a second light emitting region which are arranged at intervals, the first light emitting region comprises a first light emitting subunit, the second light emitting region comprises at least one second light emitting subunit, and the color temperature of the first light emitting subunit is larger than that of the second light emitting subunit.
And the light adjusting plate is positioned at one side of the light emitting substrate, which is close to the light emitting opening, and comprises a first light adjusting opening corresponding to the first light emitting subunit.
An ambient light sensor, which is positioned on one side surface of the shell close to the light outlet opening; the image acquisition unit is positioned on one side surface of the shell close to the light emitting opening, and the projection of the image acquisition unit on the light emitting substrate is not overlapped with the projection of the ambient light sensor on the light emitting substrate; the wireless communication module is used for sending the acquisition results of the ambient light sensor and the image acquisition unit to external control equipment and receiving dimming signals generated by the external control equipment based on the acquisition results.
The driving unit receives the dimming signal and controls the position of at least one first dimming opening relative to the first light-emitting subunit to change according to the dimming signal so as to control the light-emitting quantity of the first light-emitting subunit.
Further, in the first state, the projection of the first light-emitting subunit on the dimming plate is located in the first dimming opening; in the second state, the projection of the first light emitting sub-unit on the light adjusting plate at least partially overlaps the first light adjusting opening.
Further, the light modulation plate is in sliding connection with the shell, one side of the light modulation plate is provided with an adjusting piece, and the adjusting piece is used for controlling the light modulation plate to slide relative to the shell within a preset distance.
Further, the cross section of the retaining wall is of a trapezoid structure, and a reflecting layer is arranged on the surface of one side, close to the light-emitting opening, of the retaining wall.
Further, the lamp further includes: the first light-emitting sub-units comprise at least two first light-emitting elements, and the color temperatures of the at least two first light-emitting elements in the same first light-emitting sub-unit are different.
Further, the first dimming openings are in one-to-one correspondence with the first light-emitting elements and are equal in number; the heights of the first dimming openings are the same, and the widths of the first dimming openings are inversely related to the color temperature of the first light-emitting element; the height of the first dimming opening is the size of the first dimming opening along a first direction, the width of the first dimming opening is the size of the first dimming opening perpendicular to the first direction, and the first direction is the moving direction of the dimming plate.
Further, the light adjusting plate is far away from the side of the light emitting substrate and further comprises a light filter, and the light filter is detachably connected with the shell.
Further, convex lenses are arranged on the optical filters, the convex lenses are in one-to-one correspondence with the first light-emitting elements, and projection of the convex lenses on the light-emitting substrate is overlapped with the first light-emitting elements at least partially.
The application also provides a color temperature adjusting method of the lamp, which adopts the lamp and comprises the following steps: collecting an indoor illuminance E value according to an ambient light sensor; collecting indoor illumination environment color temperature information T through a camera; and adjusting the position of the first dimming opening relative to the first light-emitting subunit according to the color temperature information T and the illuminance E value, so as to control the light-emitting quantity of the first light-emitting subunit.
Further, the step of collecting the color temperature information of the indoor illumination environment through the camera further comprises the following steps: collecting at least one image of an indoor lighting environment through a camera; extracting RGB values of the image pixels based on the image; and calculating a color coordinate value from each RGB value to acquire the current indoor illumination environment color temperature information.
Compared with the prior art, the application has the beneficial effects that:
the application adopts the two light-emitting units with different color temperatures, namely the first light-emitting subunit and the second light-emitting subunit, and controls the size of the light-emitting window of the first light-emitting subunit through the light-adjusting plate, so that the adjustment of different color temperatures can be realized. According to ambient light sensor and image acquisition unit acquisition dimming signal, dimming signal acts on the relative position change of dimming board relative and casing, whole device simple structure, simultaneously first luminous subunit and second luminous subunit can adopt the whole packaging structure of current LED, can set up different arrangement modes according to actual manufacturer's demand. According to the application, the color temperature can be regulated only by redesigning the proper dimming plate according to the designed LED panel, so that the diversified requirements of the panel design can be met, and the cost is reduced.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic cross-sectional view of a fixture for adjusting color temperature in an exhibition hall according to an embodiment of the present application;
fig. 2 shows a schematic diagram of a first light-emitting state of a color temperature adjusting lamp for an exhibition hall according to an embodiment of the application;
fig. 3 shows a schematic diagram of a second light-emitting state of a color temperature adjusting lamp for an exhibition hall according to an embodiment of the application;
fig. 4 is a schematic diagram showing a second light-emitting state of a color temperature adjusting lamp for an exhibition hall according to another embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of a fixture for adjusting color temperature in a showroom according to another embodiment of the application;
fig. 6 shows a schematic diagram of a lighting unit arrangement (a first light-emitting state) of a color temperature adjustment lamp for an exhibition hall according to another embodiment of the present application;
fig. 7 shows a schematic diagram of a lighting unit arrangement (a second light emitting state) of a color temperature adjusting lamp for an exhibition hall according to another embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Fig. 1 shows a schematic cross-sectional view of a fixture for adjusting color temperature of a showroom according to an embodiment of the present application, and as shown in fig. 1, the present application provides a fixture 100 for adjusting color temperature of a showroom, including: a housing 101, wherein the housing 101 includes a light outlet 1011; the light emitting substrate 102 is clamped with the housing 101, and the light emitting surface of the light emitting substrate faces the light emitting opening 1011.
A retaining wall 1021 located on a surface of the light emitting substrate 102, where the retaining wall 1021 is configured to define a plurality of light emitting areas; the light emitting area includes a first light emitting area and a second light emitting area that are disposed at intervals, the first light emitting area includes a first light emitting subunit 1022, and the second light emitting area includes at least one second light emitting subunit 1023, where a color temperature of the first light emitting subunit 1022 is greater than a color temperature of the second light emitting subunit 1023, and the first light emitting subunit 1022 is configured to adjust a color temperature of light emitted by the second light emitting subunit 1023.
As an alternative embodiment, the color temperature range of the first light emitting subunit 1022 is 5000K to 7000K, and the color temperature range of the second light emitting subunit 1023 is 2500K to 4000K.
And a dimming board 103 positioned at a side of the light emitting substrate 102 near the light emitting opening 1011, wherein the dimming board 103 includes a first dimming opening 1031 corresponding to the first light emitting sub-unit 1022.
An ambient light sensor located on a side surface of the housing 101 close to the light outlet opening 1011; an image acquisition unit located on a side surface of the housing 101 close to the light-emitting opening 1011, wherein the projection of the image acquisition unit on the light-emitting substrate 102 is not overlapped with the projection of the ambient light sensor on the light-emitting substrate 102; the housing 101 includes a plurality of sensor openings 1012 on a side surface thereof adjacent to the light outlet opening 1011 for mounting sensor heads of various sensors.
The color temperature adjusting LED lamp further comprises a wireless communication module, wherein the wireless communication module is used for sending the acquisition results of the ambient light sensor and the image acquisition unit to external control equipment and receiving dimming signals generated by the external control equipment based on the acquisition results.
The color temperature adjusting LED lamp further includes a driving unit 104, where the driving unit 104 receives the dimming signal and controls the position of at least one first dimming opening 1031 relative to the first light emitting subunit 1022 to change according to the dimming signal, so as to control the light output of the first light emitting subunit 1022.
As a possible implementation manner, fig. 2 shows a schematic view of a first light-out state of a color temperature adjusting lamp for an exhibition hall according to an embodiment of the present application, and fig. 3 shows a schematic view of a second light-out state of a color temperature adjusting lamp for an exhibition hall according to an embodiment of the present application. As shown in fig. 2-3, when the optical filter is omitted, the projection of the first light emitting subunit 1022 on the light adjusting plate 103 is located in the first light adjusting opening 1031 in the first state (the first light emitting state) of the light emitting substrate 102, and at this time, the size of the first light adjusting opening 131 may be slightly larger than the size of the first light emitting subunit 1022. In a second state (second light emitting state), the projection of the first light emitting sub-unit 1022 on the light modulation board 103 at least partially overlaps the first light modulation opening 1031. As an optional implementation manner, the projection of the second light-emitting subunit 1023 on the plane where the light-adjusting board 103 is located is at least not overlapped with the light-adjusting board 103, so as to avoid shielding of the second light-emitting subunit 1023 by the light-adjusting board 103, as an optional implementation manner, the light-adjusting board 103 further includes a second light-adjusting opening 1032, and in a first state (a first light-emitting state) and a second state (a second light-emitting state), the projection of the second light-emitting subunit 1023 on the light-adjusting board 103 is always located in the second light-adjusting opening 1032.
As a possible embodiment, the light-adjusting plate 103 is slidably connected to the housing 101, and an adjusting member (not shown in the drawing) is disposed on one side of the light-adjusting plate 103, and the adjusting member is used for controlling the light-adjusting plate 103 to slide relative to the housing 101 within a preset distance.
As an alternative embodiment, the adjusting member is electrically connected to the driving unit, and the driving unit receives the dimming signal and controls the adjusting member to adjust the position of the dimming board 103 according to the dimming signal. The dimming signal can be generated by an external control device based on the acquisition result, the external control device can be a program taking a mobile phone or other intelligent communication devices as a carrier, and the dimming signal can also be set by directly controlling the external control device by a user.
Further, the cross section of the retaining wall 1021 is a trapezoid structure, and a reflective layer is disposed on a surface of the retaining wall 1021 near the light outlet 1011. As an alternative embodiment, the height of the retaining wall 1021 increases gradually along the direction in which the center of the light emitting substrate 102 points to the edge. The light-emitting brightness of the edge of the lamp can be improved, the number of first light-emitting elements in the edge area is reduced, and the cost is reduced.
Further, fig. 4 shows a schematic diagram of a second light-emitting state of a fixture for adjusting color temperature of an exhibition hall according to another embodiment of the present application. As shown in fig. 4, the first light emitting sub-unit 1022 includes at least two first light emitting elements 10211 therein, and the color temperatures of the at least two first light emitting elements 10221 in the same first light emitting sub-unit 1022 are different. As an alternative embodiment, when two first light emitting elements 10221 are included in the same first light emitting sub-unit 1022, one of the first light emitting elements may have a color temperature range of 5000K to 6000K and the other first light emitting element may have a color temperature range of 6000K to 7000K.
Further, the first dimming openings 1031 are in one-to-one correspondence with the first light emitting elements 10221 and have the same number; the heights of the first dimming openings 1031 are the same, and the widths of the first dimming openings 1031 are inversely related to the color temperature of the first light emitting element 10221; that is, the higher the color temperature of the first light emitting element 10221, the smaller the width of the corresponding first dimming opening 1031, and the more accurate the portion of the high color temperature can be regulated by such a design. The height of the first dimming opening is the size of the first dimming opening along a first direction, the width of the first dimming opening is the size of the first dimming opening perpendicular to the first direction, and the first direction is the moving direction of the dimming plate.
Further, fig. 5 shows a schematic cross-sectional view of a fixture for adjusting color temperature in an exhibition hall according to another embodiment of the present application. As shown in fig. 5, the side of the light modulation board 103 away from the light emitting substrate 102 further includes a light filter 105, and the light filter 105 is detachably connected to the housing 101.
Further, the optical filter 105 is provided with convex lenses 1051, the convex lenses 1051 are in one-to-one correspondence with the first light emitting elements 10221, and the projection of the convex lenses 1051 on the light emitting substrate 102 is at least partially overlapped with the first light emitting elements 10221.
As an alternative embodiment, the radius of curvature of the convex lens 1051 gradually decreases in the center-to-edge direction of the light emitting substrate 102. The light-emitting efficiency of the first light-emitting element 10221 in the edge region of the light-emitting substrate 102 can be further improved, the number of the first light-emitting elements in the edge region can be reduced, and the cost can be further reduced.
As an alternative implementation manner, fig. 6 shows a schematic diagram of the light emitting unit arrangement (a first light emitting state) of a hall color temperature adjustment lamp according to another embodiment of the present application, and fig. 7 shows a schematic diagram of the light emitting unit arrangement (a second light emitting state) of a hall color temperature adjustment lamp according to another embodiment of the present application. As shown in fig. 6 to 7, the light emitting substrate 102 (not shown in fig. 6) is circular, the first light emitting area and the second light emitting area are sequentially arranged along a radial direction of the circle, the second light emitting area in the central area of the light emitting substrate 102 includes only one second light emitting subunit 1023, and a circle of first light emitting subunits 1022 is circumferentially arranged along the second light emitting subunit 1023, wherein the color temperature of the first light emitting subunit 1022 is greater than the color temperature of the second light emitting subunit 1023, and the first light emitting subunit 1022 is used for adjusting the color temperature of light emitted by the second light emitting subunit 1023.
Fig. 6-7 only show a portion of the light-emitting substrate 102 and the light-adjusting plate 103 to show a more complete light-adjusting effect, where the projection of the light-emitting substrate 102 on the light-adjusting plate 103 in the first state (the first light-emitting state) is located in the first light-adjusting opening 1031, and at this time, the size of the first light-adjusting opening 131 may be slightly larger than the size of the first light-emitting subunit 1022. In a second state (second light emitting state), the projection of the first light emitting sub-unit 1022 on the light modulation board 103 at least partially overlaps the first light modulation opening 1031. As an optional implementation manner, the projection of the second light-emitting subunit 1023 on the plane where the light-adjusting board 103 is located is at least not overlapped with the light-adjusting board 103, so as to avoid shielding of the second light-emitting subunit 1023 by the light-adjusting board 103, as an optional implementation manner, the light-adjusting board 103 further includes a second light-adjusting opening 1032, and in a first state (a first light-emitting state) and a second state (a second light-emitting state), the projection of the second light-emitting subunit 1023 on the light-adjusting board 103 is always located in the second light-adjusting opening 1032.
As shown in fig. 6 to 7, since the light emitting substrate 102 is circular, in the second state (second light emitting state), the projection of the first light emitting sub-unit 1022 at the circular edge on the light adjusting plate 103 has a larger overlapping area with the first light adjusting opening 1031 as the radius of the circular shape increases gradually, and therefore, in this embodiment, the convex lens 1051 is required to compensate the light of the first light emitting sub-unit 1022 at the circular edge, and thus, the radius of curvature of the convex lens 1051 decreases gradually along the direction from the center to the edge of the light emitting substrate 102. The light emission efficiency of the first light emitting element 10221 in the edge region of the light emitting substrate 102 can be further improved, and the illuminance difference between the edge region and the center region of the circular light emitting substrate 102 can be balanced.
The application also provides a color temperature adjusting method of the lamp, which adopts the lamp and comprises the following steps: collecting an indoor illuminance E value according to an ambient light sensor; collecting indoor illumination environment color temperature information T through a camera; and adjusting the position of the first dimming opening relative to the first light-emitting subunit according to the color temperature information T and the illuminance E value, so as to control the light-emitting quantity of the first light-emitting subunit.
Further, the step of collecting the color temperature information of the indoor illumination environment through the camera further comprises the following steps: collecting at least one image of an indoor lighting environment through a camera; extracting RGB values of the image pixels based on the image; and calculating a color coordinate value from each RGB value to acquire the current indoor illumination environment color temperature information.
The application adopts the two light-emitting units with different color temperatures, namely the first light-emitting subunit and the second light-emitting subunit, and controls the size of the light-emitting window of the first light-emitting subunit through the light-adjusting plate, so that the adjustment of different color temperatures can be realized. According to ambient light sensor and image acquisition unit acquisition dimming signal, dimming signal acts on the relative position change of dimming board relative and casing, whole device simple structure, simultaneously first luminous subunit and second luminous subunit can adopt the whole packaging structure of current LED, can set up different arrangement modes according to actual manufacturer's demand. According to the application, the color temperature can be regulated only by redesigning the proper dimming plate according to the designed LED panel, so that the diversified requirements of the panel design can be met, and the cost is reduced.
Although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A fixture for adjusting color temperature in an exhibition hall, comprising:
a housing including a light outlet opening;
the light-emitting substrate is clamped with the shell, and the light-emitting surface of the light-emitting substrate faces the light-emitting opening;
the retaining wall is positioned on one side surface of the light emitting substrate and is used for limiting a plurality of light emitting areas; the light-emitting area comprises a first light-emitting area and a second light-emitting area which are arranged at intervals, the first light-emitting area comprises a first light-emitting subunit, the second light-emitting area comprises at least one second light-emitting subunit, and the color temperature of the first light-emitting subunit is larger than that of the second light-emitting subunit;
the light adjusting plate is positioned on one side of the light emitting substrate, which is close to the light emitting opening, and comprises a first light adjusting opening corresponding to the first light emitting subunit;
an ambient light sensor, which is positioned on one side surface of the shell close to the light outlet opening;
the image acquisition unit is positioned on one side surface of the shell close to the light emitting opening, and the projection of the image acquisition unit on the light emitting substrate is not overlapped with the projection of the ambient light sensor on the light emitting substrate;
the wireless communication module is used for sending the acquisition results of the ambient light sensor and the image acquisition unit to external control equipment and receiving a dimming signal generated by the external control equipment based on the acquisition results;
the driving unit receives the dimming signal and controls the position of at least one first dimming opening relative to the first light-emitting subunit to change according to the dimming signal so as to control the light-emitting quantity of the first light-emitting subunit.
2. The fixture for adjusting color temperature of an exhibition hall as claimed in claim 1, wherein:
in a first state, the projection of the first light-emitting subunit on the light-adjusting plate is positioned in the first light-adjusting opening;
in the second state, the projection of the first light emitting sub-unit on the light adjusting plate at least partially overlaps the first light adjusting opening.
3. The fixture for adjusting color temperature of an exhibition hall as claimed in claim 1, wherein:
the light adjusting plate is in sliding connection with the shell, one side of the light adjusting plate is provided with an adjusting piece, and the adjusting piece is used for controlling the light adjusting plate to slide in a preset distance relative to the shell.
4. The fixture for adjusting color temperature of an exhibition hall as claimed in claim 1, wherein:
the cross section of the retaining wall is of a trapezoid structure, and a reflecting layer is arranged on the surface of one side, close to the light-emitting opening, of the retaining wall.
5. The fixture for adjusting color temperature of an exhibition hall of claim 1, further comprising:
the first light-emitting sub-units comprise at least two first light-emitting elements, and the color temperatures of the at least two first light-emitting elements in the same first light-emitting sub-unit are different.
6. The fixture for adjusting color temperature of an exhibition hall as set forth in claim 5, wherein:
the first dimming openings are in one-to-one correspondence with the first light-emitting elements and are equal in number;
the heights of the first dimming openings are the same, and the widths of the first dimming openings are inversely related to the color temperature of the first light-emitting element;
the height of the first dimming opening is the size of the first dimming opening along a first direction, the width of the first dimming opening is the size of the first dimming opening perpendicular to the first direction, and the first direction is the moving direction of the dimming plate.
7. The fixture for adjusting color temperature of an exhibition hall as claimed in claim 1, wherein:
the light modulation board is far away from one side of the light emitting substrate and further comprises an optical filter, and the optical filter is detachably connected with the shell.
8. The fixture for adjusting color temperature of an exhibition hall as set forth in claim 7, wherein:
the optical filter is provided with convex lenses, the convex lenses are in one-to-one correspondence with the first light-emitting elements, and the projection of the convex lenses on the light-emitting substrate is at least partially overlapped with the first light-emitting elements.
9. A method for adjusting the color temperature of a lamp, characterized in that a lamp as claimed in any one of claims 1-8 is used, comprising the steps of:
collecting an indoor illuminance E value according to an ambient light sensor;
collecting indoor illumination environment color temperature information T through a camera;
and adjusting the position of the first dimming opening relative to the first light-emitting subunit according to the color temperature information T and the illuminance E value, so as to control the light-emitting quantity of the first light-emitting subunit.
10. The color temperature adjustment method according to claim 9, wherein the step of collecting the color temperature information of the indoor lighting environment by the camera further comprises:
collecting at least one image of an indoor lighting environment through a camera;
extracting RGB values of the image pixels based on the image;
and calculating a color coordinate value from each RGB value to acquire the current indoor illumination environment color temperature information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310873097.6A CN116951360B (en) | 2023-07-17 | 2023-07-17 | Exhibition hall color temperature adjusting lamp and color temperature adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310873097.6A CN116951360B (en) | 2023-07-17 | 2023-07-17 | Exhibition hall color temperature adjusting lamp and color temperature adjusting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116951360A true CN116951360A (en) | 2023-10-27 |
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| CN210601433U (en) * | 2019-10-10 | 2020-05-22 | 深圳朗斯顿科技有限公司 | Vehicle lighting lamp capable of adjusting color temperature |
| CN211509340U (en) * | 2020-01-15 | 2020-09-15 | 武汉珂玛影视灯光科技有限公司 | Lamp capable of quickly adjusting color temperature value |
| CN217825444U (en) * | 2022-07-01 | 2022-11-15 | 河北红岸基地科技有限公司 | Lamp capable of automatically adjusting color temperature based on ambient temperature |
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| JPH10206610A (en) * | 1997-01-17 | 1998-08-07 | Olympus Optical Co Ltd | Light adjusting member |
| JP2012119270A (en) * | 2010-12-03 | 2012-06-21 | Sharp Corp | Light color temperature changing method and lighting system |
| KR20130011902A (en) * | 2011-07-20 | 2013-01-30 | 유-쉥 소 | A method and apparatus for synchronous optical adjustment |
| CN106061042A (en) * | 2016-07-20 | 2016-10-26 | 杭州士兰微电子股份有限公司 | LED light modulator, LED light modulation panel, LED light modulation method and LED driving device |
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| CN217825444U (en) * | 2022-07-01 | 2022-11-15 | 河北红岸基地科技有限公司 | Lamp capable of automatically adjusting color temperature based on ambient temperature |
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| CN116951360B (en) | 2024-03-15 |
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