CN118998712B - LED lighting device with intelligent color temperature adjustment function - Google Patents
LED lighting device with intelligent color temperature adjustment function Download PDFInfo
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- CN118998712B CN118998712B CN202411484836.3A CN202411484836A CN118998712B CN 118998712 B CN118998712 B CN 118998712B CN 202411484836 A CN202411484836 A CN 202411484836A CN 118998712 B CN118998712 B CN 118998712B
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- 239000011324 bead Substances 0.000 claims abstract description 49
- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 117
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- 230000008859 change Effects 0.000 abstract description 13
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- 241000258971 Brachiopoda Species 0.000 description 8
- 230000001960 triggered effect Effects 0.000 description 7
- 238000005286 illumination Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- 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
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
本发明涉及LED灯具技术领域，具体是涉及一种智能色温调节的LED照明装置，包括灯壳和灯板，所述灯板上排列设有多组不同色温的灯珠，LED照明装置还包括色温调节机构，所述色温调节机构包括有与每组灯珠电连接的开关件，以及能够控制所有开关件的控制件，灯壳的敞口处环绕一周具有供所有开关件安装的环面，所述环面对应每个开关件的位置处均开设有能够供开关件在其中滑动的滑槽，所述环面上还设有位移驱动器，本发明利用不同色温的LED灯珠组合来实现光线色彩的变换，同时在多个光线传感器的作用下，以更全面地捕捉环境光线强度与色温的变化，通过控制件与开关件的协作，确保照明装置能根据实际光照条件动态调整色温。
The present invention relates to the technical field of LED lamps, and in particular to an LED lighting device with intelligent color temperature adjustment, comprising a lamp housing and a lamp board, wherein a plurality of groups of lamp beads with different color temperatures are arranged on the lamp board, and the LED lighting device also comprises a color temperature adjustment mechanism, wherein the color temperature adjustment mechanism comprises a switch component electrically connected to each group of lamp beads, and a control component capable of controlling all the switch components, and an annular surface surrounding an open portion of the lamp housing for mounting all the switch components, wherein a slide groove capable of sliding the switch component is provided at a position of the annular surface corresponding to each switch component, and a displacement driver is also provided on the annular surface, and the present invention utilizes a combination of LED lamp beads with different color temperatures to realize the change of light color, and at the same time, under the action of a plurality of light sensors, the changes in ambient light intensity and color temperature are captured more comprehensively, and the cooperation between the control component and the switch component ensures that the lighting device can dynamically adjust the color temperature according to actual lighting conditions.
Description
Technical Field
The invention relates to the technical field of LED lamps, in particular to an intelligent color temperature adjusting LED lighting device.
Background
The color temperature of the traditional incandescent lamp or the energy-saving lamp is fixed, the color temperature of the energy-saving lamp is rich, but the color temperature of the traditional light sources is a fixed value, the traditional light sources cannot be regulated and changed once being manufactured and molded, and the dimming can be carried out only through brightness regulation generally, so that the change of the color temperature cannot be flexibly regulated according to the requirement. At present, the LED light source is widely applied due to the energy-saving and environment-friendly advantages, and the LED light source has the biggest advantages of being capable of adjusting brightness and realizing color temperature and color adjustment. However, the existing adjusting switch of the LED lamp is generally arranged on the exposed surface of the lamp, so that the appearance of the lamp is affected. The adjusting switch is arranged on the embedded surface of the lamp body, so that the adjustment is inconvenient, and the lamp can be adjusted after being detached from the ceiling.
The currently disclosed Chinese patent CN109185819B is a color temperature-adjustable embedded lamp, which comprises a base shell, wherein the base shell is provided with a cavity and is cylindrical, an LED lamp panel is fixedly arranged in the cavity of the base shell, the LED lamp panel is in a disc shape, the edge of the LED lamp panel is provided with a multi-gear regulating switch, the regulating switch is provided with a gear button for switching among various gears, at least two groups of LED lamp beads with different color temperatures are arranged on the LED lamp panel, each group of LED lamp beads corresponds to each group of LED lamp beads and is connected with a circuit of the LED lamp panel through different gears of the regulating switch, so that on-off switching among the LED lamp beads and between the LED lamp beads is realized, the LED lamp panel is electrically connected with a power supply of the embedded lamp, a rotating surface ring is rotatably connected to the base shell, and the inner side of the rotating surface ring is provided with a driving piece for stirring the gear button during rotation.
According to the above patent, the above patent rotates the rotating surface ring outside the lamp by the user, and the rotating surface ring can stir the gear buttons of the regulating switch to realize the switching between the gears, so that the color temperature of the lamp can be very conveniently regulated by only rotating the rotating surface ring without disassembling the lamp by the user. However, this approach requires the user to manually turn the rotating face ring to switch gear, which is difficult to manually adjust for high or difficult to reach fixtures. And this way can only open a gear each time, has restricted the fine control of user's colour temperature adjustment, and the user can not obtain the colour temperature between two preset gears, has reduced individualized and comfortable adjustment scope. Therefore, there is a need for an LED lighting device capable of automatically adjusting color temperature according to ambient light.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides an intelligent color temperature adjusting LED lighting device, which utilizes LED lamp bead combinations with different color temperatures to realize the conversion of light colors. Meanwhile, under the action of a plurality of light sensors, the change of the intensity and the color temperature of the ambient light can be more comprehensively captured. Through the cooperation of the control piece and the switch piece, the lighting device can be ensured to dynamically adjust the color temperature according to the actual illumination condition.
In order to solve the problems in the prior art, the invention provides an intelligent color temperature adjusting LED lighting device, which comprises a lamp shell and a lamp panel fixedly arranged on the lamp shell, wherein a plurality of groups of lamp beads with different color temperatures are arranged on the lamp panel, the lamp shell is provided with an opening for the lamp beads to emit light, a fixing piece for fixing the whole LED lighting device on a ceiling is arranged on the lamp shell, the LED lighting device further comprises a color temperature adjusting mechanism arranged at the opening of the lamp shell, the color temperature adjusting mechanism comprises switching pieces electrically connected with each group of lamp beads and control pieces capable of controlling all the switching pieces, the opening of the lamp shell is surrounded by a circle and provided with annular surfaces for installing all the switching pieces, all the switching pieces are uniformly distributed along the circumferential direction of the annular surfaces, the annular surfaces are provided with sliding grooves for the switching pieces to slide in, the annular surfaces are also provided with displacement drivers for driving the switching pieces to move, when single color temperature or multiple different color temperatures are adjusted, the switching pieces are driven to be started to be far away from a control range of the control pieces through the displacement drivers, and the control pieces are started to trigger the control pieces to be in a preset lighting state.
Preferably, the annular surface of the lamp housing is fixedly provided with a ring sleeve coaxial with the lamp housing, the ring sleeve is uniformly provided with a plurality of light sensors used for sensing the ambient light state along the circumferential direction of the ring sleeve, and the light sensors are electrically connected with the control member and the displacement driver.
Preferably, the switch member is specifically a push switch structure, the switch member has a sliding portion and a pressing portion, each chute of the torus is provided with a guide rail parallel to the axial line direction of the torus, the sliding portion is slidably disposed in the chute and has a sliding shaft sliding along the guide rail direction, and an end portion of the sliding shaft is provided with an anti-slip ring for preventing the switch member from falling off.
Preferably, the end of the guide rail extending outwards is provided with a fixed point, the sliding part of the switch piece is provided with a movable point, and a compression spring is fixedly arranged between the fixed point and the movable point, and when the displacement driver is not started, the compression spring is in a state of being not acted by external force, so that the switch piece is positioned in the triggering range of the control piece.
Preferably, the control member is provided with a pressing plate with an annular structure and a pressing driver for driving the pressing plate to move, the pressing plate is coaxially arranged in the annular sleeve, a tension spring is fixedly arranged between the pressing plate and the annular sleeve, the pressing plate is provided with pressing surfaces opposite to all the switch members, and when the pressing driver is not started, the tension spring is in a state of not being acted by external force, so that the pressing surfaces of the pressing plate are in a state of being far away from the switch members.
Preferably, the pressing plate further has an outer peripheral surface with a gap between the pressing plate and the annular sleeve, and a plurality of balls in sliding contact with the outer peripheral surface of the pressing plate are rotatably arranged on the inner side of the annular sleeve.
Preferably, a bump is arranged on the pressing surface of the pressing plate and opposite to each pressing part, and when the pressing plate moves towards the direction of the switch element until the bump on the pressing plate abuts against the pressing part of the switch element, the pressing parts are in a pressed state, so that the switch element is turned on to turn on a group of connected lamp beads.
Preferably, a plurality of valves which are fixedly connected with the pressing plate and play a role in preventing deflection are uniformly arranged on the annular sleeve around the circumferential direction of the annular sleeve.
Preferably, a cushion pad for preventing the pressing plate from being in hard contact with the lamp shell is fixedly arranged on the ring surface of the lamp shell, and when the pressing plate is pushed by the pressing driver, the cushion pad is in a state of being pressed by the pressing plate.
Preferably, the fixture has spring clips symmetrically disposed on both sides of the envelope for easy insertion into the ceiling.
Compared with the prior art, the application has the beneficial effects that:
1. According to the invention, the required color temperature of a user is regulated by combining and lighting different lamp beads, the position of the switch piece around the ring surface is regulated accurately by activating the displacement driver, and the switch piece moves along with the movement of the switch piece, so that the switch piece which does not need to be started is far away from the triggering range of the control piece, and the lamp beads with single color temperature or different color temperatures are selectively activated, so that the required light colors are emitted or blended, a more natural and comfortable illumination environment can be created by mixing the light sources with different color temperatures, the eye fatigue is reduced, the comfort level of living or working space is improved, only the necessary lamp bead combination is activated, the unnecessary energy consumption is avoided, the energy efficiency ratio of the lighting device is improved, and the energy conservation and the emission reduction are facilitated.
2. According to the invention, the change of ambient light is monitored in real time through the light sensor, the light intensity information is converted into an electric signal by utilizing the photoelectric effect, and then the coordination of the control piece and the switch piece is regulated and controlled, so that the LED lamp beads with different color temperatures can be activated or dormant as required, a warm atmosphere is created by strengthening warm light under a dim environment, a cold color temperature light source is properly added under the condition that the light is cool or sufficient, so that the visual nature and harmony are maintained, the brightness can be automatically reduced or part of light is closed when the natural light is sufficient through sensing the ambient light, the brightness is increased under the dim environment, the energy saving purpose is achieved, the change of the ambient light can be more accurately captured through the layout of the multi-point light sensor, and compared with the single light sensor, more comprehensive ambient light information is provided, the color temperature adjustment is finer and more precise, and the perfect fusion of the illumination effect and the environment is ensured.
3. According to the invention, the change of the light environment is monitored through the light sensor, the switch piece which is not required to be activated is controlled to move by the displacement driver and is far away from the triggering range of the control piece, then the driver is pressed to start, the pressing plate is pushed to overcome the tension of the tension spring and approaches to the switch piece, the pressing plate pressing surface contacts and presses the switch piece in the triggering range, the target color temperature lamp bead is activated, the driver is pressed to pause for switching to different color temperatures, the next round of selective activation is prepared by means of resetting of the tension spring, the switch piece is rearranged by the displacement driver according to the requirement, then the driver is pressed to start again, the color temperature adjustment is completed, the self-adaptive adjustment of the ambient light is realized, the harmony and unity of the lighting effect and the environment are ensured, and the lighting quality is improved.
Drawings
Fig. 1 is a schematic perspective view of an intelligent color temperature adjusting LED lighting device.
Fig. 2 is a top view of an intelligent color temperature tuned LED lighting apparatus.
Fig. 3 is a front view of an intelligent color temperature tuned LED lighting apparatus.
Fig. 4 is a plan sectional view at A-A of fig. 3.
Fig. 5 is a perspective structural sectional view of the front face at A-A of fig. 3.
Fig. 6 is a perspective structural cross-sectional view of the back face orientation at A-A of fig. 3.
Fig. 7 is a plan sectional view at B-B of fig. 3.
Fig. 8 is a perspective structural sectional view at B-B of fig. 3.
Fig. 9 is an enlarged schematic view at C of fig. 6.
Fig. 10 is an enlarged schematic view at D of fig. 8.
The reference numerals in the figure are 1, a lamp housing, 11, a ring surface, 111, a ring sleeve, 1111, a ball, 112, a guide rail, 1121, a fixed point, 1122, a movable point, 1123, a compression spring, 113, a valve, 114, a buffer, 12, a displacement driver, 2, a lamp panel, 21, a lamp bead, 3, a fixing piece, 31, a spring clip, 4, a color temperature adjusting mechanism, 41, a switch piece, 411, a sliding part, 4111, a sliding shaft, 4112, an anti-drop ring, 412, a pressing part, 4121, a bump, 42, a control piece, 421, a pressing plate, 4211, a pressing surface, 4212, an outer peripheral surface, 422, a pressing driver, 423, a tension spring and 5, and a light sensor.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-8, an intelligent color temperature adjusting LED lighting device comprises a lamp housing 1 and a lamp panel 2 fixedly arranged on the lamp housing 1, wherein a plurality of groups of lamp beads 21 with different color temperatures are arranged on the lamp panel 2, the lamp housing 1 is provided with openings for the lamp beads 21 to emit light, the lamp housing 1 is provided with a fixing piece 3 for fixing the whole LED lighting device on a ceiling, the LED lighting device further comprises a color temperature adjusting mechanism 4 arranged at the opening of the lamp housing 1, the color temperature adjusting mechanism 4 comprises a switch piece 41 electrically connected with each group of lamp beads 21, and a control piece 42 capable of controlling all the switch pieces 41, the opening of the lamp housing 1 is provided with an annular surface 11 for installing all the switch pieces 41, all the switch pieces 41 are uniformly distributed along the circumferential direction of the annular surface 11, the position of each switch piece 41 is provided with a chute for the switch piece 41 to slide in, and the chute is provided with a color temperature driver 12 for driving the switch pieces 41 to move, when the color temperature is adjusted singly or multiply different, the switch pieces are driven to be in a preset starting state, the switch pieces are not required to be in a starting state, and the control piece is required to be far from the starting control piece 42, and the control piece is required to be in a starting state, and the control piece 41 is not required to be in a starting state.
When the lighting device is installed, the user fixes the fixing member 3 on the lamp housing 1 to the ceiling or wall of the room. When in use, a user sends out a command through the remote controller, the command designates a target color temperature to be achieved, the command is converted into an electric signal and transmitted to a control system of the lighting device, the control system is not shown in the figure, and after receiving the command, the control system rapidly calculates the lamp bead 21 combination required for achieving the target color temperature. After the calculation, the control system activates the displacement drivers 12 around the opening of the lamp housing 1, the displacement drivers 12 are connected with the switch pieces 41 uniformly distributed on the annular surface 11, the respective positions of the switch pieces 41 are accurately adjusted according to the calculation result, the switch pieces 41 slide along the respective sliding grooves, and the displacement drivers 12 control the moving direction according to the instruction of the control signal. With the movement of the switch 41, some of the switch 41 which is not required to be turned on is far from the control member 42, so that only the required lamp beads 21 are turned on, and in this way, different lamp beads 21 are selectively activated or turned off, thereby realizing accurate adjustment of color temperature. When a warm shade is desired, more warm color temperature beads 21 are lit and when a cool white shade is desired, the proportion of cool color temperature beads 21 is correspondingly increased or the beads 21 of different color temperatures are blended together to achieve the desired softer shade. The lighting device can output light rays with required color temperature by controlling the light beads 21 in different groups. When it is desired to blend a plurality of color temperatures to achieve a specific atmosphere, the beads 21 of different color temperatures will be simultaneously lit up, and the color temperatures between each other will be blended to achieve the desired level of light color.
Referring to fig. 1-8, a ring 111 coaxial with the ring is fixed on the ring surface 11 of the lamp housing 1, a plurality of light sensors 5 for sensing the ambient light state are uniformly arranged on the ring 111 along the circumferential direction, and the light sensors 5 are electrically connected with the control member 42 and the displacement driver 12.
Whenever the ambient light condition changes, the light sensor 5 mounted on the collar 111 immediately responds, and based on the principle of the photoelectric effect, can convert the received light intensity into an electrical signal, by capturing the current ambient light intensity information, and transmitting the collected light intensity data to the displacement driver 12 and the control member 42, the displacement driver 12 starts to operate according to the ambient light information, and precisely controls the movement of the switching member 41 along its preset chute. This step achieves selective activation or deactivation of the different color temperature beads 21, i.e. when the ambient light is dim, the switch 41 controlling the warm color temperature beads 21 remains within the range triggered by the control member 42, and the remaining switch 41 is far from the triggering range of the control member 42 under the control of the displacement driver 12 to supplement the ambient light deficiency and create a warm atmosphere. Conversely, if the ambient light is sufficiently cool, the cold-color-temperature bead 21 is properly enhanced, the switch 41 for controlling the cold-color-temperature bead 21 is kept within the range triggered by the control member 42, and the rest of the switch 41 is far from the triggering range of the control member 42 under the control of the displacement driver 12, so as to maintain the natural balance of light. With the fine movement of the switch element 41, the lamp beads 21 in different areas inside the lamp housing 1 are lightened according to the needs, the color temperatures of the cold light and the hot light are smartly matched, a rich and changeable lighting effect is created, and in different environments, the combination of the lamp beads 21 can be regulated according to the conditions of the ambient light, so that the vision and emotion requirements of users can be accurately matched. And the distribution of the multi-point light sensor 5 can capture the change of the ambient light more accurately, and compared with a single light sensor 5, the multi-point light sensor provides more comprehensive ambient illumination information, ensures finer and more precise color temperature adjustment and ensures perfect fusion of illumination effect and environment.
Referring to fig. 4-9, the switch member 41 is specifically a push switch structure, the switch member 41 has a sliding portion 411 and a push portion 412, a guide rail 112 parallel to the axial line direction of the annular surface 11 is disposed at each sliding groove of the annular surface 11, the sliding portion 411 is slidably disposed in the sliding groove, the sliding portion 411 has a sliding shaft 4111 sliding along the direction of the guide rail 112, and an end portion of the sliding shaft 4111 is provided with an anti-drop ring 4112 for preventing the switch member 41 from dropping.
When the light sensor 5 detects the change of the ambient light and sends a signal to the displacement driver 12, the displacement driver 12 pushes the sliding portion 411 of the switch 41 to precisely slide to a predetermined position along the guide rail 112 in the chute according to the control signal, so that the switch 41 that is not required to be turned on is far from the triggering range of the control member 42. The switch 41 to be turned on stays in the triggering range of the control member 42 until all the switch 41 are regulated, and the control member 42 is restarted to trigger the switch 41 to turn on the corresponding lamp bead 21, i.e. the pressing portion 412 of the switch 41 is triggered by the control member 42, thereby turning on the lamp bead 21. In frequent displacement operations, the design of the anti-drop ring 4112 ensures that the switch 41 does not drop out of the rail 112 even in the event of rapid or strong sliding, maintaining operational stability.
Referring to fig. 4-9, the end of the guide rail 112 extending outward has a fixed point 1121, the sliding portion 411 of the switch 41 has a movable point 1122, and a compression spring 1123 is fixedly disposed between the fixed point 1121 and the movable point 1122, and when the displacement actuator 12 is not activated, the compression spring 1123 is in a state of not being acted upon by an external force, so that the switch 41 is within the triggering range of the control member 42.
When the displacement driver 12 is not activated, i.e. the switch 41 is in a range that can be triggered by the control member 42, the compression spring 1123 is in a natural state and is not affected by any external force, ensuring that the pressing portion 412 of the switch 41 is located in the effective triggering range of the control member 42, ensuring that the lighting device can maintain a default lighting state, i.e. an initially set light output mode, in the absence of an external command. Once the change of the ambient light is sensed by the light sensor 5, the switch member 41 of the lamp bead 21 which is not required to be turned on starts to move under the driving of the displacement driver 12, and precisely controls the sliding portion 411 to move along the guide rail 112, and in this process, the compression spring 1123 is compressed along with the displacement of the sliding portion 411 until the pressing portion 412 of the switch member 41 is completely far from the triggering range of the control member 42. The switching element 41 is then activated by the control element 42 in the activation range, so that light of the appropriate color temperature is emitted. When the regulating switch 41 returns to the original position, the driving of the displacement driver 12 is stopped, and the compression spring 1123 resets to drive the switch 41 to return to the original position, so that the light with different color temperatures can be regulated and controlled according to the ambient light change.
Referring to fig. 4-10, the control member 42 has a pressing plate 421 with a ring structure and a pressing driver 422 for driving the pressing plate 421 to move, the pressing plate 421 is coaxially disposed in the ring sleeve 111, a tension spring 423 is fixedly disposed between the pressing plate 421 and the ring sleeve 111, the pressing plate 421 has a pressing surface 4211 facing all the switch members 41, and when the pressing driver 422 is not activated, the tension spring 423 is in a state of not being acted by an external force, so that the pressing surface 4211 of the pressing plate 421 is in a state of being far away from the switch members 41.
When the pressing driver 422 is not activated, the control member 42 is in an unactuated state, and at this time, the extension spring 423 is kept in a natural length and is not affected by an additional external force, which results in a certain distance between the pressing surface 4211 of the pressing plate 421 and each switch member 41, so that it is ensured that the lighting device is not erroneously triggered in the absence of an operation command. When the light sensor 5 detects a change of the light environment and needs to adjust the illumination color temperature, the pressing driver 422 is started immediately after the switch piece 41 which is not required to be started is driven by the displacement driver 12 to be far away from the triggering range of the control piece 42, so as to push the pressing plate 421 to axially move along the loop 111 to resist the tension of the extension spring 423, and the pressing surface 4211 of the pressing plate 421 gradually approaches and contacts the pressing part 412 of the switch piece 41 along with the approach of the pressing plate 421. When the pressing surface 4211 accurately presses against the switch member 41 in the triggering range, that is, the pressing portion 412 of the switch member 41 is pressed, so that reliable activation of the target switch member 41 is achieved, and the switch member 41 that is not selected continues to be kept in the inactive state, which ensures selective control of the color temperature lamp beads 21 to adapt to the current requirement of ambient light, so as to be blended to a proper color temperature state. When the different color temperatures are switched, the control of the pressing driver 422 on the pressing plate 421 is stopped, the pressing plate 421 returns to the original position under the action of the extension spring 423, then the switching element 41 to be started is reset to the range triggered by the control element 42, the switching element 41 to be started is driven by the displacement driver 12 to be far away from the triggering range of the control element 42, and finally the pressing driver 422 starts the pressing plate 421 again, so that the switching element 41 in the triggered range is started, and the adjustment of the lamp beads 21 with different color temperatures is realized.
Referring to fig. 4 to 10, the pressing plate 421 further has an outer circumferential surface 4212 which is spaced apart from the collar 111, and a plurality of balls 1111 which are slidably contacted with the outer circumferential surface 4212 of the pressing plate 421 are rotatably provided at the inner side of the collar 111.
By the introduction of the balls 1111, the pressing plate 421 is not a conventional surface contact but is converted into a point contact when sliding in the ring 111, and the friction force is greatly reduced. Not only reduces the driving force required by the pressing driver 422 when pushing the pressing plate 421 to move, but also remarkably reduces the abrasion in long-term use and prolongs the service life of the pressing plate 421. The rolling of the balls 1111 brings low resistance motion characteristics, so that the movement of the pressing plate 421 is smoother and stable, and the continuity and accuracy of the action can be ensured even when the color temperature is regulated by fast response to the light change, the use experience of a user is improved, and the stability and reliability of the whole lighting device are enhanced.
Referring to fig. 9 and 10, a protrusion 4121 is disposed on the pressing surface 4211 of the pressing plate 421 and opposite to each pressing portion 412, and after the pressing plate 421 moves toward the direction of the switch member 41 until the protrusion 4121 on the pressing plate 421 abuts against the pressing portion 412 of the switch member 41, the pressing portion 412 is in a pressed state, so that the switch member 41 is turned on to turn on the connected set of lamp beads 21.
Each of the protrusions 4121 on the pressing plate 421 is precisely aligned with the pressing portion 412 of the corresponding switching member 41, ensuring that the protrusions 4121 can directly and exclusively act on the pressing portion 412 of the target switching member 41 when the pressing plate 421 is moved by the pressing driver 422, eliminating the risk of misoperation due to positional deviation, and the introduction of the protrusions 4121 increases the pressure of the local contact area. When the pressing plate 421 moves to the target position, the bump 4121 generates a concentrated downward force on the pressing portion 412 of the switching member 41, and the stable triggering of the switching member 41 is ensured more effectively than the planar contact. The bump 4121 is in point contact with the pressing portion 412 of the switch element 41, compared with planar sliding, unnecessary sliding friction is reduced, the surfaces of the pressing plate 421 and the pressing portion 412 are protected, the problem of poor contact caused by abrasion in long-term use is avoided, quick and accurate response of each color temperature adjustment is ensured, and smooth and reliable lighting control experience is brought to users.
Referring to fig. 4, 5, 8 and 10, a plurality of valves 113 fixedly connected with a pressing plate 421 to prevent deflection are uniformly provided on the collar 111 around the circumferential direction thereof.
The valves 113 have the ability to deform, each valve 113 being fixedly connected to a pressure plate 421, forming a multi-point constraining structure. When the pressure plate 421 is moved axially along the annulus 111 under the urging of the pressure actuator 422, the valve 113 effectively prevents any unnecessary rotational movement of the pressure plate 421. Since the valve 113 has a certain elastic deformation capability, the valve 113 can be properly deformed to adapt to the movement of the pressing plate 421 in the moving process of the pressing plate 421, the rotation of the pressing plate 421 is not affected, the smoothness of the movement of the pressing plate 421 is ensured, the problem of dislocation of the protruding block 4121 caused by the rotation of the pressing plate 421 is effectively avoided, the protruding block 4121 can be accurately corresponding to the corresponding pressing part 412 of the switch element 41 in each operation, and the control accuracy is improved.
Referring to fig. 7, 9 and 10, the cushion pad 114 for preventing the pressing plate 421 from being rigidly contacted with the annulus 11 of the lamp housing 1 is fixedly provided on the annulus 11, and when the pressing plate 421 is pushed by the pressing driver 422, the cushion pad 114 is in a state of being pressed by the pressing plate 421.
When the pressing driver 422 pushes the pressing plate 421, the pressing surface 4211 of the pressing plate 421 presses the cushion pad 114, instead of directly striking the annular surface 11 of the rigid lamp housing 1. The elastic deformation of the cushion pad 114 can absorb the pressure of the pressing plate 421, prevent the problems of noise and abrasion due to hard collision, and enhance the durability of the lighting device.
Referring to fig. 1 to 8, the fixture 3 has spring clips 31 symmetrically disposed at both sides of the lamp housing 1 to facilitate insertion into the ceiling.
When the lighting device is installed, a user aligns the spring clamp 31 on the lamp housing 1 with the opening on the ceiling, the spring clamp 31 is slightly pushed in by utilizing the initial opening state of the spring clamp 31, the position of the lamp housing 1 is adjusted, automatic locking can be completed by means of the elasticity of the spring clamp 31, the lighting device is installed, screws or other fasteners are not needed, and the installation time and labor force are greatly saved.
The invention utilizes the LED lamp beads 21 combination with different color temperatures to realize the conversion of light colors, activates the displacement driver 12 according to the requirement of a user, accurately adjusts and controls the switch piece 41 fixed around the ring surface 11, selectively enables the required lamp beads 21 to be powered on, and enables the lamp beads 21 far away from the control piece 42 to be in an inactive state, thereby achieving the effect of independently or mixedly adjusting the color temperature. Meanwhile, under the action of the plurality of light sensors 5, the change of the intensity and the color temperature of the ambient light is more comprehensively captured, and the photoelectric effect is utilized to convert the light signal into an electric signal, so that the cooperation of the control member 42 and the switch member 41 is adjusted. The lighting device can be dynamically adjusted according to actual lighting conditions, a lighting environment capable of intelligently adjusting color temperature and brightness according to user requirements and environment changes is created, and visual experience of a user and comfort of life and work are improved.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
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| CN212565587U (en) * | 2020-08-03 | 2021-02-19 | 绍兴原野电器有限公司 | LED light source drive circuit and LED light source device |
| WO2021068315A1 (en) * | 2019-10-10 | 2021-04-15 | 浙江阳光美加照明有限公司 | Led lamp with built-in color modulation self-locking switch |
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| US10321541B2 (en) * | 2011-03-11 | 2019-06-11 | Ilumi Solutions, Inc. | LED lighting device |
| CN207831151U (en) * | 2017-12-28 | 2018-09-07 | 漳州立达信光电子科技有限公司 | Downlight |
| CN211875718U (en) * | 2020-04-07 | 2020-11-06 | 浙江阳光美加照明有限公司 | Waterproof LED PAR lamp with color-adjusting key switch |
| CN213783660U (en) * | 2020-12-29 | 2021-07-23 | 广东洲明节能科技有限公司 | Light control assembly, light control lamp and light control system |
| CN214099479U (en) * | 2020-12-29 | 2021-08-31 | 深圳绿米联创科技有限公司 | Switch assembly, switching device, intelligent switch and intelligent switch control system |
| CN220543248U (en) * | 2023-08-21 | 2024-02-27 | 宁波晨露电子有限公司 | Projection lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021068315A1 (en) * | 2019-10-10 | 2021-04-15 | 浙江阳光美加照明有限公司 | Led lamp with built-in color modulation self-locking switch |
| CN212565587U (en) * | 2020-08-03 | 2021-02-19 | 绍兴原野电器有限公司 | LED light source drive circuit and LED light source device |
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