Down lamp capable of intelligently controlling light emitting effect and implementation method thereof

Abstract

The down lamp comprises a heat dissipation shell, a light source plate is installed in the heat dissipation shell, a polymer dispersed liquid crystal sheet is arranged below the light source plate, the light source plate and the polymer dispersed liquid crystal sheet are both in drive connection with a power source through power lines, and a decorative ring is arranged below the heat dissipation shell. Symmetrical installation springs are installed on the side face of the heat dissipation shell, limiting buckles corresponding to the installation springs are installed on the upper portion of the heat dissipation shell, each limiting buckle comprises an installation base, and a limiting buckle is rotationally arranged on each installation base. The invention further discloses an implementation method of the down lamp capable of intelligently controlling the light emitting effect. The polymer dispersed liquid crystal sheet is arranged, and intelligent adjustment of the light emitting angle and the UGR can be achieved by controlling whether the polymer dispersed liquid crystal sheet is powered on or not, so that the requirements of different scenes are met; by changing the voltage and current of the polymer dispersed liquid crystal sheet, the stepless adjustment of the light emitting angle can be realized.

Description

Technical Field

[0001] The present invention belongs to the technical field of downlights, and in particular relates to a downlight capable of intelligently controlling light emitting effects and a method for realizing the same. Background Art

[0002] With the development of electronic and communication technology, electronic products are increasingly used in life. LED downlights are undoubtedly indispensable products for both commercial and home use. As we all know, LED downlights have the characteristics of high light efficiency, long life, no pollution, energy saving, and green environmental protection.

[0003] The mainstream downlights on the market are basically traditional single-color or three-color simple lighting modes. Although the products are practical, they have single functions and poor interactivity. The mode switching is also achieved through a simple closed circuit. In the era of the Internet of Everything, it is obviously unable to meet the needs.

[0004] Therefore, there is an urgent need for a downlight with intelligent control of lighting effects, which can intelligently adjust a variety of lighting effects to meet the needs of different scenarios. Summary of the invention

[0005] The purpose of the present invention is to provide a downlight with intelligent control of light effects to solve the problems raised in the above background technology. The downlight with intelligent control of light effects provided by the present invention has the characteristics of being able to intelligently adjust a variety of light effects to meet the needs of different scenes.

[0006] Another object of the present invention is to provide a method for realizing a downlight with intelligent control of light emission effects.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a downlight with intelligent control of light emission effects, comprising a heat dissipation shell, a light source board is installed inside the heat dissipation shell, a polymer dispersed liquid crystal sheet is provided below the light source board, the light source board and the polymer dispersed liquid crystal sheet are connected to a power driver through a power cord, a decorative ring is provided below the heat dissipation shell, symmetrical mounting springs are installed on the side of the heat dissipation shell, a limit buckle corresponding to the mounting spring is installed above the heat dissipation shell, the limit buckle comprises a mounting seat, a limit buckle is rotatably provided on the mounting seat, the limit buckle comprises a connecting arm, and a buckle block is provided at the end of the connecting arm.

[0008] In order to protect the ITO film and increase the bending resistance, the polymer dispersed liquid crystal sheet further comprises an ITO film, and PET films are arranged on the upper and lower sides of the ITO film.

[0009] In order to have an atomizing effect and achieve the purpose of anti-glare, a PC film is further provided below the PET film located below.

[0010] In order to adjust the light color, a plurality of RGB lamp beads are further provided on the light source board.

[0011] In order to allow the limit buckle to rotate relative to the mounting seat, further, a connecting shaft is provided at the other end of the connecting arm, a countersunk hole is provided on the mounting seat, the end of the connecting shaft is inserted into the countersunk hole, and the end of the connecting shaft is engaged with a limit screw.

[0012] In order to allow the limit buckle to automatically reset after moving outward, a reset spring located in the countersunk hole is further sleeved on the connecting shaft.

[0013] In order to realize the automatic buckling of the limit buckle with the limit block, further, a guiding inclined surface is provided on the outer side surface of the buckle block.

[0014] In order to make the limit buckle in a horizontal state under the action of the return spring in a natural state, further, opposite inclined surfaces are respectively provided on the contact surfaces of the connecting arm and the mounting seat.

[0015] In order to install the downlight, further, the installation spring includes a connecting block and a limiting block, wherein the limiting block and the connecting block are hinged through a connecting pin, and a torsion spring is sleeved on the connecting pin.

[0016] In order to make the connecting block and the side wall of the heat dissipation shell in a parallel state and ensure the stability of the installation of the installation spring, further, a supporting block is connected to the contact surface between the connecting block and the heat dissipation shell.

[0017] In the present invention, the method for realizing a downlight with intelligent control of light emission effect comprises the following steps:

[0018] (1) When the polymer dispersed liquid crystal film is not powered, the liquid crystal molecules in the ITO film are arranged in a disordered manner, and the polymer dispersed liquid crystal film is in a fogged state;

[0019] (ii) When the polymer dispersed liquid crystal film is powered on, the liquid crystal molecules in the ITO film are arranged in an orderly manner, and the polymer dispersed liquid crystal film is transparent. At this time, the light output angle becomes smaller and the UGR increases;

[0020] (3) By changing the lighting ratio of the RGB lamp beads on the light source board, the light color can be adjusted.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention is provided with a polymer dispersed liquid crystal sheet. By controlling whether the polymer dispersed liquid crystal sheet is powered on, the light output angle and UGR can be intelligently adjusted to meet the needs of different scenarios;

[0023] 2. The present invention can realize stepless adjustment of the light output angle by changing the voltage and current of the polymer dispersed liquid crystal sheet;

[0024] 3. The present invention can achieve color mixing by controlling the lighting ratio of RGB lamp beads, thereby changing the light color to meet the needs of more scenes;

[0025] 4. The present invention realizes color mixing by controlling RGB lamp beads, and cooperates with polymer dispersed liquid crystal sheets to simulate multiple natural lighting environments and create a comfortable and diverse intelligent ecological lighting environment;

[0026] 5. The present invention can lock the limit block of the installation spring upward when installing the downlight through the setting of the limit buckle, and unlock the limit buckle by cooperating with the installation surface to complete the installation of the downlight, making the installation of the downlight more convenient and eliminating safety risks;

[0027] 6. The distance between the outer ends of the two limit buckles of the present invention is greater than the diameter of the downlight installation hole, so as to unlock the limit buckles in cooperation with the installation surface;

[0028] 7. The connecting shaft of the present invention is provided with a reset spring located in the countersunk hole, so that the limit buckle can automatically reset after moving outward;

[0029] 8. A guiding slope is provided on the outer side of the buckle block of the present invention. When the limit block contacts the buckle block, the connecting arm moves outward to make way under the action of the guiding slope, so that the limit buckle automatically buckles the limit block;

[0030] 9. The connecting arm of the present invention is provided with opposite inclined surfaces on the contact surface of the mounting seat. Through the cooperation of the two inclined surfaces, under the action of the reset spring, the limit buckle is in a horizontal state in a natural state;

[0031] 10. In the present invention, a supporting block is connected to the contact surface between the connecting block and the heat dissipation shell, so that the connecting block and the side wall of the heat dissipation shell are in a parallel state, thereby ensuring the stability of the installation of the installation spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure explosion of the present invention;

[0033] Figure 2 It is a schematic diagram of the structure of the polymer dispersed liquid crystal sheet of the present invention;

[0034] Figure 3 It is a schematic diagram of the structure of the present invention when it is installed;

[0035] Figure 4 It is a schematic diagram of the structure of installing the spring of the present invention;

[0036] Figure 5 It is a schematic diagram of the structure explosion of the limit buckle of the present invention;

[0037] Figure 6 It is a schematic diagram of the structure of the limit buckle of the present invention;

[0038] Figure 7 It is a schematic cross-sectional structure diagram of the position limiting buckle of the present invention.

[0039] In the figure: 1. heat dissipation shell; 2. polymer dispersed liquid crystal sheet; 21. ITO film; 22. PET film; 23. PC film; 3. decorative ring; 4. light source board; 5. mounting spring; 51. connecting block; 52. torsion spring; 53. connecting pin; 54. limit block; 55. supporting block; 6. limit buckle; 61. mounting seat; 62. reset spring; 63. limit screw; 7. limit buckle; 71. connecting arm; 72. buckle block; 73. connecting shaft; 74. inclined plane. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Example 1

[0042] See also Figure 1-Figure 7 The present invention provides the following technical solutions: a downlight with intelligent control of light emission effects, comprising a heat dissipation shell 1, a light source board 4 is installed inside the heat dissipation shell 1, a polymer dispersed liquid crystal sheet 2 is provided below the light source board 4, the light source board 4 and the polymer dispersed liquid crystal sheet 2 are connected to a power driver through a power line, a decorative ring 3 is provided below the heat dissipation shell 1, the decorative ring 3 is connected to the heat dissipation shell 1 through threaded engagement, a symmetrical mounting spring 5 is installed on the side of the heat dissipation shell 1, a limit buckle 6 corresponding to the mounting spring 5 is installed above the heat dissipation shell 1, the limit buckle 6 comprises a mounting seat 61, a limit buckle 7 is rotatably provided on the mounting seat 61, the limit buckle 7 comprises a connecting arm 71, and a buckle block 72 is provided at the end of the connecting arm 71.

[0043] By adopting the above technical scheme, the present invention is provided with a polymer dispersed liquid crystal film 2, and by controlling whether the polymer dispersed liquid crystal film 2 is energized, the intelligent adjustment of the light output angle and UGR can be achieved, thereby meeting the needs of different scenarios; the present invention can achieve stepless adjustment of the light output angle by changing the voltage and current of the polymer dispersed liquid crystal film 2; the present invention can lock the limit block 54 of the mounting spring 5 upward when installing the downlight through the setting of the limit buckle 6, and unlock the limit buckle 6 by cooperating with the mounting surface to complete the installation of the downlight, making the installation of the downlight more convenient and eliminating safety risks.

[0044] Specifically, the polymer dispersed liquid crystal sheet 2 includes an ITO film 21 , and PET films 22 are provided on both the upper and lower sides of the ITO film 21 .

[0045] By adopting the above technical solution, the ITO film 21 is protected and the bending resistance is increased.

[0046] Specifically, a PC film 23 is provided below the lower PET film 22 .

[0047] By adopting the technical solution, an atomization effect is achieved, thereby achieving the purpose of anti-glare.

[0048] Specifically, a plurality of RGB lamp beads are arranged on the light source board 4 .

[0049] By adopting the above technical solution, color mixing can be achieved by controlling the lighting ratio of RGB lamp beads, thereby changing the light color to meet the needs of more scenes; the present invention achieves color mixing by controlling the RGB lamp beads, and cooperates with the polymer dispersed liquid crystal film 2 to simulate multiple natural lighting environments and create a comfortable and diverse intelligent ecological lighting environment.

[0050] Specifically, a plurality of heat dissipation fins are arranged above the heat dissipation housing 1 .

[0051] By adopting the above technical solution, the heat dissipation of the entire lamp is facilitated.

[0052] Specifically, the distance between the outer ends of the two limiting buckles 7 is greater than the diameter of the downlight mounting hole, and the ends of the two limiting buckles 7 extend beyond the mounting hole by 0.5-1 cm, preferably 1 cm.

[0053] By adopting the above technical solution, the limit buckle 7 can be unlocked in cooperation with the installation surface.

[0054] Specifically, a connecting shaft 73 is provided at the other end of the connecting arm 71 , a countersunk hole is provided on the mounting seat 61 , an end of the connecting shaft 73 is inserted into the countersunk hole, and the end of the connecting shaft 73 is engaged with a limiting screw 63 .

[0055] By adopting the above technical solution, the limiting buckle 7 can rotate relative to the mounting seat 61.

[0056] Specifically, the connecting shaft 73 is sleeved with a return spring 62 located in the countersunk hole.

[0057] By adopting the above technical solution, the limit buckle 7 can automatically reset after moving outward.

[0058] Specifically, a guiding inclined surface is provided on the outer side surface of the buckle block 72 .

[0059] By adopting the above technical solution, when the limit block 54 contacts the buckle block 72 , the connecting arm 71 moves outward to make way under the action of the guiding slope, so that the limit buckle 7 automatically buckles the limit block 54 .

[0060] Specifically, the mounting spring 5 includes a connecting block 51 and a limiting block 54, wherein the limiting block 54 and the connecting block 51 are hingedly connected via a connecting pin 53, and a torsion spring 52 is sleeved on the connecting pin 53, and the connecting block 51 is locked with the heat dissipation housing 1 via screws.

[0061] The above technical solution is used to install the downlight.

[0062] Example 2

[0063] The present embodiment is different from the first embodiment in that: specifically, opposite inclined surfaces 74 are respectively provided on the contact surfaces of the connecting arm 71 and the mounting seat 61 .

[0064] By adopting the above technical solution, through the cooperation of the two inclined surfaces 74, under the action of the reset spring 62, the limit buckle 7 is in a horizontal state in a natural state.

[0065] Example 3

[0066] The present embodiment is different from the first embodiment in that: specifically, a support block 55 is connected to the contact surface between the connection block 51 and the heat dissipation housing 1 .

[0067] By adopting the above technical solution, the connecting block 51 and the side wall of the heat dissipation housing 1 are in a parallel state, thereby ensuring the stability of the installation of the mounting spring 5 .

[0068] Example 4

[0069] Furthermore, the method for realizing a downlight with intelligent control of light emission effect described in the present invention comprises the following steps:

[0070] (i) When the polymer dispersed liquid crystal sheet 2 is not powered, the liquid crystal molecules in the ITO film 21 are arranged in a disordered manner, and the polymer dispersed liquid crystal sheet 2 is in an atomized state;

[0071] (ii) When the polymer dispersed liquid crystal sheet 2 is powered on, the liquid crystal molecules in the ITO film 21 are arranged in an orderly manner, and the polymer dispersed liquid crystal sheet 2 is in a transparent state. At this time, the light output angle becomes smaller and the UGR increases;

[0072] When the voltage is 12V and the current is 1.5A, the beam angle is 50°;

[0073] When the voltage is 9V and the current is 2A, the beam angle is 80°;

[0074] When the voltage is 5V and the current is 2.4A, the beam angle is 120°;

[0075] (iii) By changing the lighting ratio of the RGB lamp beads on the light source board 4, the light color can be adjusted.

[0076] The steps for installing the downlight of the present invention are as follows:

[0077] (1) Before installation, the two limit blocks 54 are rotated upward respectively so that the buckle block 72 of the limit buckle 7 buckles the limit block 54 to limit the limit block 54;

[0078] (2) Install the downlight into the installation hole. The limit buckle 7 rotates downward under the limiting action of the installation surface. The buckle block 72 separates from the limit block 54. The limit block 54 returns downward under the action of the torsion spring 52, and the installation is completed.

[0079] In summary, the present invention is provided with a polymer dispersed liquid crystal film 2, and by controlling whether the polymer dispersed liquid crystal film 2 is powered on, the intelligent adjustment of the light output angle and UGR can be achieved, thereby meeting the needs of different scenes; the present invention can achieve stepless adjustment of the light output angle by changing the voltage and current of the polymer dispersed liquid crystal film 2; the present invention can achieve color mixing by controlling the lighting ratio of the RGB lamp beads, thereby changing the light output color to meet the needs of more scenes; the present invention achieves color mixing by controlling the RGB lamp beads, and in conjunction with the polymer dispersed liquid crystal film 2, it can simulate multiple natural lighting environments to create a comfortable and diverse intelligent ecological lighting environment; the present invention can lock the limit block 54 of the installation spring 5 upwards when installing the downlight through the setting of the limit buckle 6, and unlock the limit buckle 6 by cooperating with the installation surface to complete the installation of the downlight, making the installation of the downlight more convenient and eliminating safety risks. The locking cam 72 is engaged with the locking cam 73 and the retaining cam 73 is engaged with the locking cam 73 by the spring 76 to release the locking cam 73 from the locking cam 73.

[0080] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A downlight with intelligent control of light output effect, comprising a heat dissipation housing, characterized in that: A light source board is installed inside the heat dissipation shell, a polymer dispersed liquid crystal sheet is arranged below the light source board, the light source board and the polymer dispersed liquid crystal sheet are connected to the power driver through a power cord, a decorative ring is arranged below the heat dissipation shell, symmetrical mounting springs are arranged on the side of the heat dissipation shell, a limit buckle corresponding to the mounting spring is arranged above the heat dissipation shell, the limit buckle includes a mounting seat, a limit buckle is rotatably provided on the mounting seat, the limit buckle includes a connecting arm, and a buckle block is arranged at the end of the connecting arm.

2. According to claim 1, the downlight with intelligent control of light effects is characterized by: The polymer dispersed liquid crystal sheet comprises an ITO film, and PET films are arranged on both the upper and lower sides of the ITO film.

3. According to claim 2, the downlight with intelligent control of light effects is characterized by: A PC film is provided below the lower PET film.

4. The downlight with intelligent control of light output effect according to claim 1, characterized in that: A plurality of RGB lamp beads are arranged on the light source board.

5. According to claim 1, the downlight with intelligent control of light output effect is characterized in that: The other end of the connecting arm is provided with a connecting shaft, and the mounting seat is provided with a countersunk hole. The end of the connecting shaft is inserted into the countersunk hole, and the end of the connecting shaft is engaged with a limiting screw. A reset spring located in the countersunk hole is sleeved on the connecting shaft.

6. The downlight with intelligent control of light effects according to claim 5, characterized in that: A guiding inclined surface is arranged on the outer side surface of the buckle block.

7. The downlight with intelligent control of light effects according to claim 5, characterized in that: The contact surfaces of the connecting arm and the mounting seat are respectively provided with opposite inclined surfaces.

8. The downlight with intelligent control of light effects according to claim 1, characterized in that: The installation spring comprises a connecting block and a limiting block, wherein the limiting block and the connecting block are hinged via a connecting pin, and a torsion spring is sleeved on the connecting pin.

9. The downlight with intelligent control of light output effect according to claim 8, characterized in that: A supporting block is connected to the contact surface between the connecting block and the heat dissipation shell.

10. A method for realizing a downlight with intelligent control of light emission effects according to any one of claims 1 to 9, characterized in that: The following steps are involved: (1) When the polymer dispersed liquid crystal film is not powered, the liquid crystal molecules in the ITO film are arranged in a disordered manner, and the polymer dispersed liquid crystal film is in a fogged state; (ii) When the polymer dispersed liquid crystal film is powered on, the liquid crystal molecules in the ITO film are arranged in an orderly manner, and the polymer dispersed liquid crystal film is transparent. At this time, the light output angle becomes smaller and the UGR increases; (3) By changing the lighting ratio of the RGB lamp beads on the light source board, the light color can be adjusted.

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