Light source plate of projector

Abstract

The utility model relates to the technical field of light source plates, and discloses a light source plate of a projector, which comprises a structural frame, the outer wall of the structural frame is provided with a plurality of ventilation grooves, the top of the inner wall of the structural frame is fixedly connected with a circuit board, and the bottom of the circuit board is provided with a plurality of independent modules. Mounting columns are fixedly connected to the bottoms of the independent modules, lamp beads are mounted at the bottoms of the mounting columns, cooling fins are fixedly connected to the bottom of the inner wall of the structural frame, a plurality of cooling grooves are formed in the bottoms of the cooling fins, and a cooling fan is fixedly connected to the front side of the structural frame. According to the LED lamp, the circuit board and the ventilation groove are fixed through the structural frame to promote air circulation, the independent module is installed at the bottom of the circuit board and used for independently controlling signals, the installation columns transmit the signals, the lamp beads are installed, light spots and diffraction fringes are reduced, the cooling fins and the cooling grooves are matched with the cooling fan, the cooling performance is improved, the service life is prolonged, the light effect is enhanced, and the requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of light source boards, in particular to a light source board of a projector. Background Art

[0002] The projector light source board is one of the core components of the projector. Its main function is to provide lighting for the projector. It consists of a substrate and the light-emitting elements LED lamp beads and laser diodes installed on the substrate. The light source board converts electrical energy into light energy to provide stable and uniform lighting for the projector's optical system, thereby realizing the projection display of images and videos. In modern projection technology, the performance of the light source board directly affects the key indicators of the projector's brightness, color accuracy, contrast and resolution.

[0003] With the continuous advancement of science and technology and the development of society, projectors are being used more and more widely in various fields. Projectors have become an important tool for classroom teaching, which can vividly display teaching content and improve teaching effectiveness. Projectors can share information conveniently and quickly in meetings, presentations and training occasions. Projectors can create home theaters and provide immersive viewing experience. Projectors also play an important role in cultural performances and exhibitions.

[0004] In the existing projector light source board, the lamp beads are arranged on the substrate in a regular arrangement. This regular arrangement will produce fixed light spots and light diffraction stripes, resulting in uneven light output, affecting the quality of the projected image. The light-emitting elements on the light source board will generate a lot of heat when working, which will cause the temperature of the light source board to rise, thereby affecting the performance and life of the light-emitting elements. This situation results in poor heat dissipation performance, short service life, poor lighting effects, complex structure, and poor protection effects, which are difficult to meet usage requirements. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a light source board for a projector, aiming to improve the problems of poor heat dissipation performance, short service life, poor lighting effect, complex structure and poor protection effect in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a light source board of a projector, comprising a structural frame, the outer wall of the structural frame is provided with a plurality of ventilation grooves, the top of the inner wall of the structural frame is fixedly connected to a circuit board, the bottom of the circuit board is installed with a plurality of independent modules, the bottom of the independent module is fixedly connected to a mounting column, the bottom of the mounting column is installed with lamp beads, the bottom of the inner wall of the structural frame is fixedly connected to a heat sink, the bottom of the heat sink is provided with a plurality of heat dissipation grooves, the front side of the structural frame is fixedly connected to a heat dissipation fan, the bottom of the heat sink is provided with an auxiliary mechanism, and the auxiliary mechanism is used to fix and protect the lamp beads.

[0007] As a further description of the above technical solution:

[0008] The auxiliary mechanism includes a light guide plate, a plurality of positioning grooves are provided on the top of the light guide plate, the outer wall of the light guide plate is rotatably connected to a rotating ring, the bottom of the outer wall of the rotating ring is slidably connected to a plurality of L-shaped blocks, a spring is fixedly connected to the middle of the left and right sides of the outer wall of the light guide plate, a fixed sleeve is fixedly connected to the top of the L-shaped block, and a plurality of fixed columns are fixedly connected to the left and right sides of the outer wall of the structural frame.

[0009] As a further description of the above technical solution:

[0010] An input line is fixedly connected to the left rear portion of the top end of the circuit board, and an output line is fixedly connected to the left front portion of the top end of the circuit board.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the heat dissipation fan is provided with a fan shell, and the front side of the inner wall of the fan shell is fixedly connected with a protective net.

[0013] As a further description of the above technical solution:

[0014] A connecting piece is fixedly connected to the top of the outer wall of the structural frame, and a plurality of connecting columns are fixedly connected to the top of each connecting piece.

[0015] As a further description of the above technical solution:

[0016] The front side of the outer wall of the spring is fixedly connected with a spring sleeve 1, and the front side of the spring sleeve 1 is fixedly connected with the rear side of the L-shaped block.

[0017] As a further description of the above technical solution:

[0018] The rear side of the outer wall of the spring is fixedly connected with a spring sleeve 2, and the rear side of the spring sleeve 2 is fixedly connected with the outer wall of the rotating ring.

[0019] As a further description of the above technical solution:

[0020] The outer walls of the input line and the output line are fixedly connected with a plurality of insulating sleeves, and the insulating sleeves are made of rubber.

[0021] The utility model has the following beneficial effects:

[0022] 1. In this utility model, the structural frame fixes the circuit board, the ventilation groove is used to promote air circulation, and an independent module is installed at the bottom of the circuit board for controlling the signal separately. The mounting column transmits the signal and installs the lamp beads to reduce the light spot and diffraction stripes. The heat sink and the heat dissipation groove cooperate with the heat dissipation fan to improve the heat dissipation performance, extend the service life, enhance the light effect, and meet the needs.

[0023] 2. In the present invention, a light guide plate is arranged at the bottom of the heat sink. There is a positioning groove on the light guide plate to fix the lamp beads. The outer wall of the light guide plate is connected to the rotating ring. After the rotating ring is rotated, the L-shaped block slides to the position of the fixed column. Pulling out the L-shaped block locks the fixing sleeve and the fixed column, thereby enhancing the fixing and protection effect, being easy to operate, and meeting the fixing requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front perspective view of a light source board structure frame of a projector proposed in the present invention;

[0025] Figure 2 This is a partial structural exploded view of a light source board circuit board of a projector proposed in the present invention;

[0026] Figure 3 This is a partial structural diagram of a heat sink of a light source board of a projector proposed in the present utility model;

[0027] Figure 4 This is a partial structural diagram of a light source plate and a light guide plate of a projector proposed in the present invention;

[0028] Figure 5 This is a schematic diagram of the partial structure of an L-shaped block of a light source board of a projector proposed by the present invention.

[0029] Legend:

[0030] 1. Structural frame; 2. Auxiliary mechanism; 201. Light guide plate; 202. Positioning groove; 203. Rotating ring; 204. L-shaped block; 205. Spring; 206. Fixing sleeve; 207. Fixing column; 3. Ventilation groove; 4. Circuit board; 5. Independent module; 6. Mounting column; 7. Lamp beads; 8. Heat sink; 9. Heat sink; 10. Cooling fan; 11. Input line; 12. Output line; 13. Fan shell; 14. Protective net; 15. Connecting piece; 16. Connecting column; 17. Spring sleeve 1; 18. Spring sleeve 2; 19. Insulation sleeve. DETAILED DESCRIPTION

[0031] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0032] Please see the attached Figure 1 , Attachment Figure 2 and attached Figure 3The utility model provides an embodiment: a light source board of a projector, including a structural frame 1, the outer wall of the structural frame 1 is provided with a plurality of ventilation grooves 3, the top of the inner wall of the structural frame 1 is fixedly connected to a circuit board 4, the bottom of the circuit board 4 is installed with a plurality of independent modules 5, the bottom of the independent module 5 is fixedly connected to a mounting column 6, the bottom of the mounting column 6 is installed with a lamp bead 7, the bottom of the inner wall of the structural frame 1 is fixedly connected to a heat sink 8, the bottom of the heat sink 8 is provided with a plurality of heat dissipation grooves 9, the front side of the structural frame 1 is fixedly connected to a heat dissipation fan 10, the bottom of the heat sink 8 is provided with an auxiliary mechanism 2, and the auxiliary mechanism 2 is used to fix and protect the lamp bead 7;

[0033] Specifically, the structural frame 1 is a solid frame with multiple ventilation slots 3 evenly arranged on its outer wall to ensure air circulation, effectively dissipate heat and prevent internal overheating. A circuit board 4 is fixedly connected to the top of the inner wall of the structural frame 1. This circuit board 4 is the core of the entire structure and is responsible for controlling and driving various components. These independent modules 5 can be various functional modules. They work independently but work together to complete specific tasks. The bottom of each independent module 5 is fixedly connected to a mounting column 6. The function of the mounting column 6 is to stably fix the independent module 5 on the structural frame 1 and ensure the accuracy of its position. Lamp beads 7 are installed at the bottom of the mounting column 6. These lamp beads 7 It is the key part of the lighting and is responsible for emitting light. A heat sink 8 is fixedly connected to the bottom of the inner wall of the structural frame 1. The main function of the heat sink 8 is to quickly conduct and dissipate the heat generated inside to maintain stable operation. A plurality of heat dissipation grooves 9 are evenly opened at the bottom of the heat sink 8. These heat dissipation grooves 9 further increase the heat dissipation area and improve the heat dissipation efficiency. A heat dissipation fan 10 is fixedly connected to the front side of the structural frame 1. The heat dissipation fan 10 enhances the heat dissipation effect by generating airflow. An auxiliary mechanism 2 is provided at the bottom of the heat sink 8. The main function of this auxiliary mechanism 2 is to fix and protect the lamp beads 7 to prevent them from being damaged by vibration and impact, thereby ensuring the stability and safety of the light.

[0034] Please see the attached Figure 1 , Attachment Figure 4 and attached Figure 5 The auxiliary mechanism 2 includes a light guide plate 201. A plurality of positioning grooves 202 are provided on the top of the light guide plate 201. A rotating ring 203 is rotatably connected to the outer wall of the light guide plate 201. A plurality of L-shaped blocks 204 are slidably connected to the bottom of the outer wall of the rotating ring 203. Springs 205 are fixedly connected to the middle of the left and right sides of the outer wall of the light guide plate 201. A fixing sleeve 206 is fixedly connected to the top of the L-shaped block 204. A plurality of fixing columns 207 are fixedly connected to the left and right sides of the outer wall of the structural frame 1.

[0035] Specifically, the design of the auxiliary mechanism 2 includes a light guide plate 201, and a plurality of positioning grooves 202 are evenly opened on the top of the light guide plate 201 to facilitate the precise installation and positioning of other components. The outer wall of the light guide plate 201 is connected to the rotating ring 203 by a rotating connection, and the bottom of the outer wall of the rotating ring 203 is slidingly connected to a plurality of L-shaped blocks 204. This design allows the rotating ring 203 to rotate flexibly, and at the same time, the L-shaped block 204 can perform corresponding sliding movements under the guidance of the fixed sleeve 206 fixedly connected to its top. Springs 205 are also fixedly connected to the middle of the left and right sides of the outer wall of the light guide plate 201. These springs 205 can provide elastic support to a certain extent to ensure that the light guide plate 201 remains stable during use. In order to further enhance the stability of the structure, a plurality of fixed columns 207 are fixedly connected to the left and right sides of the outer wall of the structural frame 1. These fixed columns 207 not only provide reliable support for the entire auxiliary mechanism 2, but also ensure the precise alignment and tight combination between the various components.

[0036] Please see the attached Figure 1 , Attachment Figure 2 and attached Figure 3 The input line 11 is fixedly connected to the left rear portion of the top of the circuit board 4, and the output line 12 is fixedly connected to the left front portion of the top of the circuit board 4. The outer wall of the heat dissipation fan 10 is provided with a fan shell 13, and the front side of the inner wall of the fan shell 13 is fixedly connected to a protective net 14. The top of the outer wall of the structural frame 1 is fixedly connected to a connecting piece 15, and the top of the connecting piece 15 is fixedly connected to a plurality of connecting columns 16;

[0037] Specifically, in the rear area on the left side of the top of the circuit board 4, the input line 11 is responsible for introducing external signals and power into the circuit board 4 to ensure its normal operation. In the front area on the left side of the top of the circuit board 4, a group of output lines 12 are also fixedly connected. The function of the output line 12 is to transmit the signals and data processed by the circuit board 4 to other devices to realize the output function of information. On the outside of the cooling fan 10, the fan shell 13 not only protects the internal structure, but also effectively guides the air flow and improves the heat dissipation efficiency. The front part of the inner wall of the fan shell 13, the protective net 14 prevents dust and other foreign matter from entering the inside of the fan, thereby avoiding interference and damage to the normal operation of the cooling fan 10. At the top of the outer wall of the structural frame 1, the original intention of the design of these connecting pieces 15 is to provide more connection points for stable connection with other components and structures. On the top of the connecting piece 15, a plurality of connecting columns 16 are evenly distributed. These connecting columns 16 not only enhance the stability of the connecting piece 15, but also provide reliable fixing points for other components, ensuring the stability and durability of the entire structure.

[0038] Please see the attached Figure 1 , Attachment Figure 2 and attached Figure 5The front side of the outer wall of the spring 205 is fixedly connected to a spring sleeve 17, the front side of the spring sleeve 17 is fixedly connected to the rear side of the L-shaped block 204, the rear side of the outer wall of the spring 205 is fixedly connected to a spring sleeve 2 18, the rear side of the spring sleeve 2 18 is fixedly connected to the outer wall of the rotating ring 203, and the outer walls of the input line 11 and the output line 12 are fixedly connected to multiple insulating sleeves 19, and the insulating sleeves 19 are made of rubber;

[0039] Specifically, the front side of the outer wall of the spring 205 is tightly connected to the spring sleeve 17 by a fixed connection, and the front part of the spring sleeve 17 is tightly combined with the rear part of the L-shaped block 204 by a firm fixed connection, ensuring the stability of the structure. The rear part of the outer wall of the spring 205 is also tightly connected to another component, the spring sleeve 2 18, by a fixed connection, and the rear part of the spring sleeve 2 18 is tightly combined with the outer wall of the rotating ring 203 by a fixed connection. The outer wall parts of the input line 11 and the output line 12 are respectively fixedly connected with multiple insulating sleeves 19, which are made of rubber to ensure good insulation effect and durability.

[0040] Working principle: The structure is fixed with a structural frame 1, and multiple ventilation slots 3 are opened on the structural frame 1 to facilitate air flow. The circuit board 4 is installed on the structural frame 1. Multiple randomly arranged independent modules 5 are installed at the bottom of the circuit board 4 to independently control the signal. The bottom of the independent module 5 has a mounting column 6 to transmit the signal and provide an installation position for the lamp bead 7. This can reduce the generation of fixed light spots and light diffraction stripes. By installing a heat sink 8 and opening a contact surface such as a heat dissipation slot 9, the heat dissipation effect is achieved together with the heat dissipation fan 10. This structure improves the heat dissipation performance, increases the service life, improves the lighting effect, and meets the working requirements.

[0041] A light guide plate 201 is provided at the bottom of the heat sink 8, and a positioning groove 202 corresponding to the lamp bead 7 is opened on the light guide plate 201 to protect and fix the lamp bead 7. The outer wall of the light guide plate 201 is rotatably connected to the rotating ring 203. After the corresponding position is obtained, the rotating ring 203 is rotated to move the L-shaped block 204 slidingly connected to the rotating ring 203 to the corresponding position of the fixed column 207. At this time, the L-shaped block 204 is pulled out to allow the fixing sleeve 206 to dock with the fixed column 207. After loosening, the fixing sleeve 206 rebounds so that the fixing sleeve 206 and the fixed column 207 are locked and the structure is fixed, thereby improving the fixing effect and the protection effect. The operation is simple and convenient, and meets the fixing requirements.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A light source board for a projector, comprising a structural frame (1), characterized in that: The outer wall of the structural frame (1) is provided with a plurality of ventilation grooves (3), the top of the inner wall of the structural frame (1) is fixedly connected to a circuit board (4), the bottom of the circuit board (4) is installed with a plurality of independent modules (5), the bottom of the independent module (5) is fixedly connected to a mounting column (6), the bottom of the mounting column (6) is installed with a lamp bead (7), the bottom of the inner wall of the structural frame (1) is fixedly connected to a heat sink (8), the bottom of the heat sink (8) is provided with a plurality of heat dissipation grooves (9), the front side of the structural frame (1) is fixedly connected to a heat dissipation fan (10), the bottom of the heat sink (8) is provided with an auxiliary mechanism (2), and the auxiliary mechanism (2) is used to fix and protect the lamp bead (7).

2. The light source board of a projector according to claim 1, characterized in that: The auxiliary mechanism (2) comprises a light guide plate (201), the top of each light guide plate (201) is provided with a plurality of positioning grooves (202), the outer wall of the light guide plate (201) is rotatably connected to a rotating ring (203), the bottom of the outer wall of the rotating ring (203) is slidably connected to a plurality of L-shaped blocks (204), a spring (205) is fixedly connected to the middle of the left and right sides of the outer wall of the light guide plate (201), the top of each L-shaped block (204) is fixedly connected to a fixing sleeve (206), and the left and right sides of the outer wall of the structural frame (1) are fixedly connected to a plurality of fixing columns (207).

3. The light source board of a projector according to claim 1, characterized in that: An input line (11) is fixedly connected to the left rear portion of the top end of the circuit board (4), and an output line (12) is fixedly connected to the left front portion of the top end of the circuit board (4).

4. The light source board of a projector according to claim 1, characterized in that: The outer wall of the heat dissipation fan (10) is provided with a fan shell (13), and the front side of the inner wall of the fan shell (13) is fixedly connected with a protective net (14).

5. The light source board of a projector according to claim 1, characterized in that: A connecting piece (15) is fixedly connected to the top of the outer wall of the structural frame (1), and a plurality of connecting columns (16) are fixedly connected to the top of each of the connecting pieces (15).

6. The light source board of a projector according to claim 2, characterized in that: The front side of the outer wall of the spring (205) is fixedly connected to a spring sleeve (17), and the front side of the spring sleeve (17) is fixedly connected to the rear side of the L-shaped block (204).

7. The light source board of a projector according to claim 2, characterized in that: The rear side of the outer wall of the spring (205) is fixedly connected to the second spring sleeve (18), and the rear side of the second spring sleeve (18) is fixedly connected to the outer wall of the rotating ring (203).

8. The light source board of a projector according to claim 3, characterized in that: Multiple insulating sleeves (19) are fixedly connected to the outer walls of the input line (11) and the output line (12), and the insulating sleeves (19) are made of rubber.

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