Lighting device for court

Abstract

The invention relates to the technical field of lighting devices, provides a court lighting device, and solves the problem that the lighting range of an existing court lighting device cannot be adjusted. A support is included; the at least one illuminating lamp is mounted at the top of the bracket; the lampshade is mounted on the light emitting side of the illuminating lamp, and a light diffusion coating is arranged on the inner surface of the lampshade and used for converting direct hard light into uniform diffused light; the light scattering assembly is arranged in the lampshade and used for adjusting the light distribution range of the lampshade, the light scattering assembly comprises a light reflecting plate, and the light reflecting plate is in a fan shape when unfolded and forms a frustum shape in an enclosing mode; one end of the adjusting rod is connected with one side of the straight edge of the reflecting plate; the adjusting rail is arranged on the connecting piece in an arc shape, the radius of the adjusting rail is gradually decreased in the extending direction of the adjusting rail, and the other end of the adjusting rod is arranged in the adjusting rail; the frustum-shaped fan-shaped reflecting plate is matched with the arc-shaped adjusting rail, and stepless adjustment of the light distribution range is achieved by changing the opening and closing angle of the reflecting plate.

Description

Technical Field

[0001] The present invention relates to the technical field of lighting devices, and in particular to a stadium lighting device. Background Art

[0002] Stadium lighting must meet professional requirements such as high brightness, low glare, and variable lighting coverage, especially in multi-purpose stadiums (such as basketball, tennis, and football fields). Traditional stadium lighting systems lack the ability to adjust the lighting range and cannot dynamically change the coverage area.

[0003] Chinese patent publication number CN208579215U discloses a self-service stadium lighting device, comprising a lamp, a lampshade, a connecting block, a fixing column, a triangular bracket, a support column, a coin slot, a connecting block, a fixing base, a coin-operated lighting device, a display screen, and a start switch. The application uses a control chip to power the time-limited lighting, but due to the fixed angle of the lampshade, it cannot continuously adjust the coverage area according to the venue's needs. Summary of the Invention

[0004] Therefore, in order to solve the above problems, the present invention provides a stadium lighting device to solve the problem that the existing stadium lighting device cannot adjust the lighting range.

[0005] To achieve the above object, the present invention is achieved through the following technical solutions:

[0006] A court lighting device, comprising:

[0007] Bracket;

[0008] At least one lighting lamp installed on the top of the bracket;

[0009] A heat dissipation component is provided on the non-light-emitting side of the lighting lamp to increase the heat dissipation area;

[0010] A lampshade is installed on the light-emitting side of the lighting lamp, and its inner surface is provided with a light diffusion coating for converting direct hard light into uniform diffuse light;

[0011] A connecting assembly, wherein the lampshade is connected to the lighting lamp via the connecting assembly, the connecting assembly comprising an annular connecting piece and a plurality of connecting rods, the connecting piece being connected to the lighting lamp, one end of each connecting rod being connected to the outer edge of the lampshade and the other end being connected to the connecting piece;

[0012] A light diffusion component is provided in the lampshade and is used to adjust the lighting range of the lampshade. The light diffusion component includes:

[0013] The reflective plate is unfolded into a fan shape and enclosed into a frustum shape;

[0014] an adjusting rod, one end of which is connected to one side of the straight edge of the reflector;

[0015] The adjusting rail is arranged on the connecting piece in an arc shape, the radius of the adjusting rail decreases along the extending direction of the adjusting rail, and the other end of the adjusting rod is arranged in the adjusting rail.

[0016] Furthermore, the bracket includes:

[0017] A bracket with the lighting lamp arranged on the top;

[0018] A support rod is provided at the bottom of the bracket and is used to adjust the height of the bracket;

[0019] A moving component, which is provided at one side of the bottom of the support rod and is used to move the bracket;

[0020] The base is arranged at the bottom of the support rod, and the base includes a sliding sleeve mounted on the support rod, a first locking rod for adjusting the position of the sliding sleeve on the support rod, a plurality of rotating rods and a plurality of bottom rods, one end of each bottom rod is rotatably connected to the bottom of the support rod, one end of each rotating rod is rotatably connected to the bottom rod, and the other end of each rotating rod is rotatably connected to the sliding sleeve.

[0021] Furthermore, the support rod includes an outer rod, an inner rod slidably arranged in the outer rod, and a second locking rod for adjusting the height of the inner rod.

[0022] Furthermore, the moving component includes a moving frame and moving wheels, and moving wheels are provided on both sides of the moving frame.

[0023] Furthermore, the lampshade is circular.

[0024] Furthermore, buckle holes are provided on the surface of the connecting piece and the lampshade, and buckle joints are provided at both ends of each connecting rod.

[0025] Furthermore, the lighting lamp includes a mounting plate and a light board arranged on one side of the mounting plate.

[0026] Furthermore, the light board is a partitioned controllable LED array board, comprising:

[0027] Several independent driving circuits;

[0028] A plurality of LED chip groups, wherein each independent driving circuit is respectively connected to each LED chip group;

[0029] The control module adjusts the lighting intensity by opening and closing different independent drive circuits.

[0030] Furthermore, the heat dissipation assembly includes a plurality of heat dissipation fins distributed on the edge of the other side of the mounting plate, and the heat dissipation fins are arranged at intervals.

[0031] Furthermore, a fixing block and an orientation block are provided on the adjusting rod, a thread is provided between the fixing block and the adjusting rod, and the connecting piece is clamped between the fixing block and the orientation block.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] 1. The present invention uses a frustum-shaped sector reflector in conjunction with an arc-shaped adjustment rail to achieve stepless adjustment of the lighting range (such as from focusing on the sidelines of the court to flooding the entire court) by changing the opening and closing angles of the reflector.

[0034] 2. The present invention adjusts the expanded diameter of the base through a sleeve, quickly switches between hardened ground and lawn modes, and solves the problem of differences in the ground surface of the court.

[0035] 3. The present invention allows direct push-pull movement (without disassembling the lamp) through the design of the bracket wheel set.

[0036] 4. The present invention forms a turbulent air duct through the fin spacing, and the heat dissipation efficiency is improved compared with the traditional design. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a structural diagram of embodiment 1 of the present invention;

[0038] Figure 2 This is a schematic diagram of the exploded structure of a lighting lamp according to an embodiment of the present invention;

[0039] Figure 3 This is a schematic diagram of the cross-sectional structure of a lampshade according to a first embodiment of the present invention;

[0040] Figure 4 This is a schematic diagram of the connection structure of the components of the light board according to the first embodiment of the present invention;

[0041] Figure 5 This is a schematic diagram of the unfolded structure of a reflective plate according to a first embodiment of the present invention;

[0042] Figure 6 This is a schematic diagram of the bracket structure of Example 2 of the present invention.

[0043] Description of Figure Numbers:

[0044] Bracket 1; bracket 11; support rod 12; outer rod 121; inner rod 122; second locking rod 123; moving component 13; moving frame 131; moving wheel 132; base 14; sliding sleeve 141; first locking rod 142; rotating rod 143; bottom rod 144;

[0045] Lighting lamp 2; mounting plate 21; light board 22; independent driving circuit 221; LED chipset 222; control module 223;

[0046] Heat dissipation component 3;

[0047] Lampshade 4; buckle hole 41;

[0048] Light diffusion coating 5;

[0049] Connecting assembly 6; connecting piece 61; connecting rod 62; buckle joint 621;

[0050] Astigmatism component 7; reflector 71; adjustment rod 72; fixing block 721; orientation block 722; adjustment rail 73. DETAILED DESCRIPTION

[0051] The following will describe the implementation methods of the present invention in detail with reference to specific embodiments, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0052] Example 1:

[0053] like Figures 1 to 5 As shown, a court lighting device includes:

[0054] Bracket 1;

[0055] Two lighting lamps 2 are installed on the top of the bracket 1;

[0056] A heat dissipation component 3 is provided on the non-light-emitting side of the lighting lamp 2 to increase the heat dissipation area;

[0057] A lampshade 4 is installed on the light-emitting side of the lighting lamp 2, and its inner surface is provided with a light diffusion coating 5 for converting direct hard light into uniform diffuse light;

[0058] A connecting assembly 6, wherein the lampshade 4 is connected to the lighting lamp 2 via the connecting assembly 6, and the connecting assembly 6 includes an annular connecting piece 61 and two connecting rods 62, wherein the connecting piece 61 is connected to the lighting lamp 2, and each connecting rod 62 has one end connected to the outer edge of the lampshade 4 and the other end connected to the connecting piece 61;

[0059] The light diffusion component 7 is provided in the lampshade 4 and is used to adjust the light distribution range of the lampshade 4. The light diffusion component 7 includes:

[0060] The reflective plate 71 is unfolded into a fan shape and enclosed into a frustum shape, and the surface is anodized;

[0061] An adjusting rod 72, one end of which is connected to one side of the straight edge of the reflector 71;

[0062] The adjustment rail 73 is arranged on the connecting piece 61 in an arc shape. The radius of the adjustment rail 73 decreases along the extending direction of the adjustment rail 73 . The other end of the adjustment rod 72 is arranged in the adjustment rail 73 .

[0063] The side of the adjustment rail 73 is laser engraved and calibrated every 5°. During operation, the adjustment rod 72 is pushed to the target scale to adjust for different sports venues (basketball / tennis / football).

[0064] Among them, the light diffusion coating 5 mainly uses a polymer substrate (such as polymethyl methacrylate, polycarbonate, polystyrene, etc.) as the main material, and achieves the light diffusion effect by adding a light diffuser. The types of diffusers include inorganic / organic particles and acrylic resins. They are existing public technical contents and will not be repeated here.

[0065] In this embodiment, the lampshade 4 is circular. In other preferred embodiments, the lampshade 4 may also be square.

[0066] The connection piece 61 and the lampshade 4 are provided with buckle holes 41 on their surfaces, and each of the connection rods 62 is provided with buckle joints 621 at both ends.

[0067] The lighting lamp 2 includes a mounting plate 21 and a light board 22 provided on one side of the mounting plate 21; the light board 22 is a partitioned controllable LED array board, including:

[0068] Several independent driving circuits 221;

[0069] A plurality of LED chip groups 222, and each independent driving circuit 221 is respectively connected to each LED chip group 222;

[0070] The control module 223 adjusts the lighting intensity by turning on and off different independent driving circuits 221 .

[0071] The control module 223 adopts a multi-core MCU, and both the control module 223 and the LED chipset 222 can be purchased on the market, and will not be described in detail here.

[0072] The heat dissipation assembly 3 includes a plurality of heat dissipation fins distributed on the edge of the other side of the mounting plate 21 , and the heat dissipation fins are arranged at intervals.

[0073] This application does not impose any specific restrictions on the number of LED chipsets 222 and heat sink fins, which are adjusted according to the actual power of the device.

[0074] The adjusting rod 72 is provided with a fixing block 721 and an orienting block 722. A thread is provided between the fixing block 721 and the adjusting rod 72. The connecting piece 61 is clamped between the fixing block 721 and the orienting block 722. The position of the adjusting rod on the adjusting rail 73 is fixed by the cooperation between the fixing block 721 and the orienting block 722.

[0075] Example 2:

[0076] like Figure 6As shown, the difference from the first embodiment is that the bracket 1 includes: a bracket 11, with the lighting lamp 2 arranged on the top; a support rod 12, provided at the bottom of the bracket 11, for adjusting the height of the bracket 11; a moving component 13, the moving component 13 is provided on one side of the bottom of the support rod 12, for moving the bracket 1; a base 14, provided at the bottom of the support rod 12, the base 14 includes a sliding sleeve 141 sleeved on the support rod 12, a first locking rod 142 for adjusting the position of the sliding sleeve 141 on the support rod 12, and a plurality of rotating rods 143 And a plurality of bottom rods 144, one end of each bottom rod 144 is rotatably connected to the bottom of the support rod 12, one end of each rotating rod 143 is rotatably connected to the bottom rod 144, and the other end of each rotating rod 143 is rotatably connected to the sliding sleeve 141; the support rod 12 includes an outer rod 121, an inner rod 122 slidingly arranged in the outer rod 121, and a second locking rod 123 for adjusting the height of the inner rod 122; the moving component 13 includes a moving frame 131 and a moving wheel 132, and moving wheels 132 are arranged on both sides of the moving frame 131.

[0077] Although the present invention has been particularly shown and described in conjunction with preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made to the present invention without departing from the spirit and scope of the invention as defined in the appended claims, and all such changes are within the scope of protection of the present invention.

Claims

1. A stadium lighting device, characterized in that: include: Bracket; At least one lighting lamp installed on the top of the bracket; A heat dissipation component is provided on the non-light-emitting side of the lighting lamp to increase the heat dissipation area; A lampshade is installed on the light-emitting side of the lighting lamp, and its inner surface is provided with a light diffusion coating for converting direct hard light into uniform diffuse light; A connecting assembly, wherein the lampshade is connected to the lighting lamp via the connecting assembly, the connecting assembly comprising an annular connecting piece and a plurality of connecting rods, the connecting piece being connected to the lighting lamp, one end of each connecting rod being connected to the outer edge of the lampshade and the other end being connected to the connecting piece; A light diffusion component is provided in the lampshade and is used to adjust the lighting range of the lampshade. The light diffusion component includes: The reflective plate is unfolded into a fan shape and enclosed into a frustum shape; an adjusting rod, one end of which is connected to one side of the straight edge of the reflector; The adjusting rail is arranged on the connecting piece in an arc shape, the radius of the adjusting rail decreases along the extending direction of the adjusting rail, and the other end of the adjusting rod is arranged in the adjusting rail.

2. A stadium lighting device according to claim 1, characterized in that: The bracket comprises: A bracket with the lighting lamp arranged on the top; A support rod is provided at the bottom of the bracket and is used to adjust the height of the bracket; A moving component, which is provided at one side of the bottom of the support rod and is used to move the bracket; The base is arranged at the bottom of the support rod, and the base includes a sliding sleeve mounted on the support rod, a first locking rod for adjusting the position of the sliding sleeve on the support rod, a plurality of rotating rods and a plurality of bottom rods, one end of each bottom rod is rotatably connected to the bottom of the support rod, one end of each rotating rod is rotatably connected to the bottom rod, and the other end of each rotating rod is rotatably connected to the sliding sleeve.

3. A stadium lighting device according to claim 2, characterized in that: The support rod comprises an outer rod, an inner rod slidably arranged in the outer rod, and a second locking rod for adjusting the height of the inner rod.

4. A stadium lighting device according to claim 2, characterized in that: The moving component includes a moving frame and moving wheels, and the moving wheels are arranged on both sides of the moving frame.

5. The stadium lighting device according to claim 1, characterized in that: The lampshade is circular.

6. The stadium lighting device according to claim 1, characterized in that: Buckle holes are provided on the surface of the connecting piece and the lampshade, and buckle joints are provided at both ends of each connecting rod.

7. The stadium lighting device according to claim 1, characterized in that: The lighting lamp comprises a mounting plate and a lamp panel arranged on one side of the mounting plate.

8. A stadium lighting device according to claim 7, characterized in that: The light board is a partitioned controllable LED array board, comprising: Several independent driving circuits; A plurality of LED chip groups, wherein each independent driving circuit is respectively connected to each LED chip group; The control module adjusts the lighting intensity by opening and closing different independent drive circuits.

9. The stadium lighting device according to claim 7, characterized in that: The heat dissipation assembly includes a plurality of heat dissipation fins distributed on the edge of the other side of the mounting plate, and the heat dissipation fins are arranged at intervals.

10. The stadium lighting device according to claim 1, characterized in that: The adjusting rod is provided with a fixing block and a directional block, a thread is provided between the fixing block and the adjusting rod, and the connecting piece is clamped between the fixing block and the directional block.

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