Digital display lamp panel

Abstract

The utility model relates to the technical field of display lamp panels, and discloses a digital display lamp panel which comprises a lamp panel body, a display mechanism is arranged at the front end of the lamp panel body, the lamp panel body comprises a lamp panel body, and mounting holes are formed between the front side wall and the rear side wall of the four corners of the lamp panel body. Four threaded holes are formed in one side of the front end of the lamp panel body in a rectangular array shape, and a contact type socket is arranged at the front end of the lamp panel body and located among the four threaded holes. Effective electromagnetic shielding measures are adopted, namely, the anti-interference display driving board is arranged at the rear end of the lamp panel, and the metal shielding cover is arranged outside the display driving board and the data transmission mainboard, so that the lamp panel is isolated from an external electromagnetic interference source, meanwhile, the circuit layout of the lamp panel is optimized, internal electromagnetic interference is reduced, and the service life of the lamp panel is prolonged. And anti-interference elements, namely a filter capacitor and a filter inductor, are added in the driving circuit, so that the anti-electromagnetic interference capability of the lamp panel is improved.

Description

Technical Field

[0001] This utility model relates to the field of display light panel technology, specifically a digital display light panel. Background Technology

[0002] A digital display light board is an electronic device used to display information such as numbers, letters, and symbols. It is widely used in various electronic instruments, meters, home appliances, digital products, and other fields. The digital display light board needs to be used in conjunction with a driver circuit. The function of the driver circuit is to convert the digital signals output by the microcontroller or other control chip into signals that can control the LEDs to turn on and off.

[0003] The existing digital display panels still have the following problems when in use: In some electromagnetic environments with complex electromagnetic conditions, digital display panels may be subject to electromagnetic interference, which may lead to display errors or instability and affect normal use. In addition, the display content is limited. Generally, digital display panels are mainly used to display numbers, letters and some simple symbols. Their ability to display complex graphics, images or a large amount of text information is very limited. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a digital display light panel, which solves the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a digital display light board, comprising a light board body, a display mechanism disposed at the front end of the light board body, the light board body comprising a light board plate, mounting holes being provided between the front and rear side walls at the four corners of the light board plate, four threaded holes being provided in a rectangular array on one side of the front end of the light board plate, a contact socket being provided at the front end of the light board plate and between the four threaded holes, a driver board being provided on one side of the rear end of the light board plate, a data transmission main board being provided on the other side of the rear end of the light board plate, a plurality of buttons being provided in a cross shape on the other side of the front end of the light board plate, and a pin-type connector being provided in the middle of the other end of the data transmission main board.

[0008] As a further embodiment of this utility model: a shielding mechanism is fixedly connected to the rear end of the lamp board body. The shielding mechanism includes a metal shielding cover fixedly connected to the rear end of the lamp board body and located outside the driver board and the data transmission motherboard. A display driver chip is provided on one side of the rear end of the driver board. Two filter inductors are arranged symmetrically on the other side of the rear end of the driver board. Multiple filter capacitors are arranged in a rectangular array on one side of the rear end of the data transmission motherboard.

[0009] As a further embodiment of this utility model: the display mechanism includes a dot matrix digital display module, and a contact connector for contacting a contact socket is provided in the middle of the rear end of the dot matrix digital display module. Positioning holes with matching threaded holes are provided at the four corners of the dot matrix digital display module. A screw is slidably connected in each positioning hole, and the rear end of the screw is threadedly connected to the threaded hole on its corresponding side.

[0010] As a further improvement of this utility model: a connector mating groove for matching pin-type connectors is provided in the middle of the other side of the front end of the metal shield, and multiple heat dissipation fins are fixedly connected to the rear end of the metal shield in a horizontal and equidistant manner.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. In this utility model, by taking effective electromagnetic shielding measures, namely, the rear end of the lamp board is equipped with an anti-interference display driver board, and the display driver board and the data transmission main board are externally shielded with metal shielding covers, the lamp board is isolated from external electromagnetic interference sources. At the same time, the circuit layout of the lamp board is optimized to reduce the generation of internal electromagnetic interference. Anti-interference components, namely filter capacitors and filter inductors, are added to the driving circuit to improve the anti-electromagnetic interference capability of the lamp board.

[0013] 2. In this utility model, by adopting a dot matrix digital display module with a light panel, simple graphics or text can be formed by combining more LEDs. It adopts a solid connection structure design with the light panel, that is, it is connected to the light panel by four screws to ensure the reliability of the connection between the light panels. At the same time, since its rear end is a contact connector, it slides in contact with the contact socket at the front end of the light panel. The dot matrix digital display module and the light panel can be easily disassembled by removing the four screws, which is quite convenient. Attached Figure Description

[0014] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0015] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0016] Figure 3 The overall three-dimensional structure of this utility model Figure 3 ;

[0017] Figure 4 The overall three-dimensional structure of this utility model Figure 4 .

[0018] In the diagram: 1. Lamp board body; 2. Display mechanism; 3. Shielding mechanism; 11. Lamp board body; 12. Mounting hole; 13. Threaded hole; 14. Driver board; 15. Data transmission main board; 16. Pin connector; 17. Filter inductor; 18. Filter capacitor; 19. Display driver chip; 110. Contact socket; 111. Button; 21. Dot matrix digital display module; 22. Positioning hole; 23. Screw; 24. Contact connector; 31. Metal shielding cover; 32. Heat sink fins. Detailed Implementation

[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0020] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figures 1-4In this embodiment of the utility model, a digital display light board includes a light board body 1, a display mechanism 2 is provided at the front end of the light board body 1, the light board body 1 includes a light board plate 11, mounting holes 12 are provided between the front and rear side walls at the four corners of the light board plate 11, four threaded holes 13 are provided in a rectangular array on one side of the front end of the light board plate 11, a contact socket 110 is provided at the front end of the light board plate 11 and located between the four threaded holes 13, a driver board 14 is provided on one side of the rear end of the light board plate 11, a data transmission main board 15 is provided on the other side of the rear end of the light board plate 11, a plurality of buttons 111 are provided in a cross shape on the other side of the front end of the light board plate 11, and a pin connector 16 is provided in the middle of the other end of the data transmission main board 15. The circuit connection and installation between the overall digital display light board and the terminal digital device can be carried out through the pin connector 16, and the overall digital display light board can be fixedly installed at the corresponding installation position through the four mounting holes 12 in conjunction with the installation components.

[0023] A shielding mechanism 3 is fixedly connected to the rear end of the lamp board 11. The shielding mechanism 3 includes a metal shielding cover 31 fixedly connected to the rear end of the lamp board 11 and located outside the driver board 14 and the data transmission main board 15. A display driver chip 19 is provided on one side of the rear end of the driver board 14, and two filter inductors 17 are arranged symmetrically on the other side of the rear end of the driver board 14. Multiple filter capacitors 18 are arranged in a rectangular array on one side of the rear end of the data transmission main board 15. The whole system adopts effective electromagnetic shielding measures, that is, the rear end of the lamp board is equipped with an anti-interference display driver board 14, and the display driver board 14 and the data transmission main board 15 are externally shielded by a metal shielding cover 31, which isolates the lamp board from external electromagnetic interference sources. At the same time, the circuit layout of the lamp board is optimized to reduce the generation of internal electromagnetic interference. Anti-interference components, namely filter capacitors 18 and filter inductors 17, are added to the driver circuit, which improves the anti-electromagnetic interference capability of the lamp board.

[0024] The display mechanism 2 includes a dot-matrix digital display module 21. A contact connector 24 for contact with a contact socket 110 is located at the center of the rear end of the dot-matrix digital display module 21. Positioning holes 22 with matching threaded holes 13 are provided at the four corners of the dot-matrix digital display module 21. A screw 23 is slidably connected to each positioning hole 22, with its rear end threaded into the corresponding threaded hole 13. The entire dot-matrix digital display module 21 uses a light panel, which can form simple graphics or text through combinations of more LEDs. It employs a robust connection structure with the light panel, meaning it is connected to the light panel by four screws 23, ensuring reliable connection between the light panels. Furthermore, since its rear end is a contact connector 24, it slides in contact with the contact socket 110 at the front end of the light panel. The dot-matrix digital display module 21 can be easily disassembled from the light panel by removing the four screws 23, making the process convenient.

[0025] A connector groove for a matching pin connector 16 is provided in the middle of the other side of the front end of the metal shield 31. Multiple heat dissipation fins 32 are fixedly connected to the rear end of the metal shield 31 in a horizontal and equidistant manner, which can perform auxiliary heat dissipation.

[0026] The working principle of this utility model is as follows: the circuit connection between the overall digital display board and the terminal digital device can be installed through the pin-type connector 16, and the overall digital display board can be fixedly installed at the corresponding installation position through the four mounting holes 12 with the installation components. The dot matrix digital display module 21 uses light-emitting diodes (LEDs) as light-emitting elements. Each number or character is composed of multiple LEDs. Different numbers or characters are displayed by controlling the on / off state of different LEDs. The dot matrix digital display module 21 needs to be used in conjunction with the driver board 14. The function of the driver board 14 is to convert the digital signal output by the display driver chip 19 into a signal that can control the on / off state of the LEDs. The display driver chip 19 includes circuit components such as a decoder and a driver. The decoder converts the input binary code into the corresponding seven-segment code or other encoding form, and the driver provides sufficient current to drive the LEDs to emit light.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A digital display light panel, comprising a light panel body (1), wherein a display mechanism (2) is provided at the front end of the light panel body (1), the light panel body (1) comprising a light panel plate (11), wherein mounting holes (12) are provided between the front and rear side walls at the four corners of the light panel plate (11); Its features are: The lamp board body (11) has four threaded holes (13) arranged in a rectangular array on one side of its front end. A contact socket (110) is provided at the front end of the lamp board body (11) and between the four threaded holes (13). A driver board (14) is provided on one side of the rear end of the lamp board body (11), and a data transmission motherboard (15) is provided on the other side of the rear end of the lamp board body (11). The rear end of the lamp board body (11) is fixedly connected to a shielding mechanism (3), which includes a metal shielding cover (31) fixedly connected to the rear end of the lamp board body (11) and located outside the drive board (14) and the data transmission main board (15); The driver board (14) has a display driver chip (19) on one side of its rear end, and two filter inductors (17) are arranged symmetrically on the other side of its rear end. The data transmission motherboard (15) has multiple filter capacitors (18) arranged in a rectangular array on one side of its rear end.

2. A digital display panel according to claim 1, characterized in that: The display mechanism (2) includes a dot matrix digital display module (21), and a contact connector (24) for contact connection with a contact socket (110) is provided at the middle of the rear end of the dot matrix digital display module (21).

3. A digital display panel according to claim 2, characterized in that: The dot-matrix digital display module (21) has positioning holes (22) with matching threaded holes (13) at its four corners.

4. A digital display panel according to claim 3, characterized in that: Each of the positioning holes (22) is slidably connected to a screw (23), the rear end of which is threaded into a threaded hole (13) on its corresponding side.

5. A digital display light panel according to claim 1, characterized in that: The other side of the front end of the lamp panel (11) is provided with multiple buttons (111) in a cross shape.

6. A digital display panel according to claim 1, characterized in that: A pin connector (16) is provided at the middle of the other end of the data transmission motherboard (15).

7. A digital display panel according to claim 1, characterized in that: The metal shield (31) has a connector groove for a matching pin connector (16) in the middle of the other side of the front end, and multiple heat dissipation fins (32) are fixedly connected to the rear end of the metal shield (31) in a horizontal and equidistant manner.

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