LED dot matrix display control device with protective structure

Abstract

The utility model relates to an electronic circuit and display technology, and discloses an LED dot matrix display control device with a protective structure, which comprises a protective cover, the outer wall of the protective cover is fixedly connected with a mounting foot, the inner wall of the mounting foot is in sliding connection with a mounting rod, the inner wall of the mounting rod is fixedly connected with a mounting column, and the mounting column is fixedly connected with the outer wall of the protective cover. A plurality of reset springs are fixedly connected to the outer wall of the mounting column, limiting balls are fixedly connected to the other ends of the reset springs, a mounting plate is slidably connected to the outer wall of the mounting rod, a plurality of mounting holes are formed in the inner wall of the mounting plate, and a heat dissipation assembly used for heat dissipation is arranged on the inner wall of the protective cover. The heat dissipation assembly comprises a fan fixing plate. According to the utility model, the protective cover is fixed on the mounting plate by using a detachable structure, so that the protective cover can be quickly detached while protecting internal electronic components, and workers can timely overhaul the internal electronic components.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic circuit and display technology especially, with the LED dot matrix display control device of protection structure. BACKGROUND

[0002] LED dot matrix display control device controls the bright and dark of each LED lamp in LED dot matrix through row drive circuit and column drive circuit, and forms the display content such as character, image by the visual persistence effect of human eye in the row-column scanning mode and the lighting of the LED of different position in certain order.Its use scene is extensive, such as outdoor advertising screen is used to show advertisement, propaganda information; traffic sign displays traffic signal, road condition information; also in the scene such as stage background, station train information display, shopping mall promotion information display, plays the important role of information display and visual communication.

[0003] The LED dot matrix display control device with protection structure provides physical protection for internal fine elements through metal shell, avoids damage, and is further provided with heat dissipation fins, the heat dissipation fins are closely attached to the key heating parts, the increased surface area accelerates heat dissipation, maintains the appropriate temperature of the device in continuous work, prevents overheating from causing element aging and failure, guarantees the stability and durability of display, and the installation of the shell is generally realized by reserving screw holes at the contact parts of the shell and the main body, and the protection shell is stably installed by using the matched screw to screw in and tighten.

[0004] In the prior art, part of the protection shell is generally fixed by reserving screw holes in the shell and then using the matched screw to screw in and tighten, but the use of the screw fixing mode needs to use the matched tool to disassemble the protective cover when disassembling, which causes that the staff cannot quickly disassemble the protective cover when the electronic element has a problem, and the electronic element cannot be disassembled in time, and therefore the LED dot matrix display control device with protection structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides the LED dot matrix display control device with protection structure, aims at improving the problem that the use of the screw fixing mode needs to use the matched tool to disassemble the protective cover when disassembling in the prior art, so that the protective cover cannot be disassembled in time to overhaul the internal electronic element.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] LED dot matrix display control device with protective structure, including protective cover, the outer wall of the protective cover is fixedly connected with the mounting foot, the inner wall of the mounting foot is slidably connected with the mounting rod, the inner wall of the mounting rod is fixedly connected with the mounting column, the outer wall of the mounting column is fixedly connected with a plurality of reset springs, the other end of a plurality of the reset springs is fixedly connected with the limit ball, the outer wall of the mounting rod is slidably connected with the mounting plate, the inner wall of the mounting plate is provided with a plurality of mounting holes, the inner wall of the protective cover is provided with a heat dissipation assembly for heat dissipation;

[0008] As a further description of the above technical solutions:

[0009] The heat dissipation assembly comprises a fan fixing plate, the outer wall of the fan fixing plate is fixedly connected to the outer wall of the protective cover, the inner wall of the fan fixing plate is threadedly connected with a plurality of fixing screws, the inner wall of the fan fixing plate is rotatably connected with a plurality of fan blades, and the outer wall of the fan fixing plate is fixedly connected with a motor.

[0010] As a further description of the above technical solutions:

[0011] The top of the mounting rod is fixedly connected with a handle, the outer wall of the limit ball is detachably connected to the inner wall of the mounting plate, and a plurality of the limit balls are slidably connected to the inner wall of the mounting rod.

[0012] As a further description of the above technical solutions:

[0013] The inner wall of the mounting plate is provided with a plurality of sliding grooves, and the inner wall of the mounting plate is provided with a limiting groove.

[0014] As a further description of the above technical solutions:

[0015] The outer wall of the limit ball is slidably connected to the inner wall of the limit groove, and the bottom of the protective cover is fixedly connected with a circuit board.

[0016] As a further description of the above technical solutions:

[0017] The top of the circuit board is fixedly connected with an interface, and the bottom of the circuit board is fixedly connected with a plugboard.

[0018] As a further description of the above technical solutions:

[0019] The outer wall of the plugboard is slidably connected to the inner wall of the mounting plate, and the interface is slidably connected to the inner wall of the protective cover.

[0020] As a further description of the above technical solutions:

[0021] The inner walls of the two sides of the protective cover are provided with a plurality of heat dissipation holes, and the top of the protective cover is fixedly connected with a plurality of heat dissipation fins.

[0022] The utility model has the advantages of the following:

[0023] 1. In the utility model, the protective cover is placed on the circuit board, then the mounting rod is inserted into the mounting feet at the four corners of the protective cover, the mounting rod is pushed into the inner wall of the mounting hole of the inner wall of the mounting plate through the handle, at this time, the limiting ball of the inner wall of the mounting rod slides on the inner wall of the sliding groove, and the limiting ball will shrink into the interior of the mounting rod under the action of the reset spring, when the limiting ball slides to the limiting groove at the bottom of the sliding groove, the reset spring releases the elastic potential to pop the limiting ball into the inner wall of the limiting groove, thereby fixing the protective cover on the top of the mounting plate, and the protective cover protects the internal electronic components, and the quickly detachable protective cover can greatly facilitate the subsequent maintenance of the circuit board.

[0024] 2. In the utility model, when the temperature inside the circuit board is too high during long-term use, the motor is started at this time, the start of the motor drives the fan blade to rotate, thereby blowing away the hot air flow generated by the operation of the internal electronic components of the protective cover through the heat dissipation holes at the two sides of the protective cover, and the heat inside the protective cover can also be conducted to the outside of the protective cover through the heat dissipation fins at the top of the protective cover, thereby conducting the heat inside to prevent the internal electronic components from being short-circuited due to the excessively high internal temperature. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of the LED dot matrix display control device with a protective structure according to the utility model;

[0026] Figure 2 It is a structure diagram of the plugboard of the LED dot matrix display control device with a protective structure according to the utility model;

[0027] Figure 3 It is a structure diagram of the heat dissipation fin of the LED dot matrix display control device with a protective structure according to the utility model;

[0028] Figure 4 It is Figure 3 the enlarged view of A in the middle;

[0029] LEGEND:

[0030] 1. Protective cover; 2. Mounting foot; 3. Handle; 4. Mounting rod; 5. Mounting column; 6. Reset spring; 7. Limiting ball; 8. Limiting groove; 9. Mounting hole; 10. Sliding groove; 11. Heat dissipation hole; 12. Heat dissipation fin; 13. Fan blade; 14. Fixing screw; 15. Motor; 16. Fan fixing plate; 17. Mounting plate; 18. Interface; 19. Plugboard; 20. Circuit board. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] With reference to Figures 2 to 4 An embodiment provided by the utility model: LED dot matrix display control device with protection structure, including the protection cover 1, the protection cover 1 is to the internal circuit board 20 and electronic component and plays the protection effect, prevent external factor and cause damage to it, the outer wall of protection cover 1 is fixedly connected with installation foot 2, installation foot 2 is used with installation rod 4 cooperation, realize the connection fixed of protection cover 1 and mounting plate 17, the inner wall of installation foot 2 is slidably connected with installation rod 4, installation rod 4 plays the key connection in the installation process, firmly installs protection cover 1 on mounting plate 17, the inner wall of installation rod 4 is fixedly connected with installation column 5, and installation column 5 provides fixed support point for reset spring 6, so that reset spring 6 can stably play a role.

[0033] The outer wall of installation column 5 is fixedly connected with a plurality of reset springs 6, and the reset springs 6 are used in the installation process. When the limiting ball 7 is extruded, it can be contracted into the installation rod 4. When the limiting ball 7 reaches the appropriate position, the elastic potential energy can be released, and the limiting ball 7 can be ejected. The other end of the plurality of reset springs 6 is fixedly connected with the limiting ball 7. The limiting ball 7 is matched with the sliding groove 10 and the limiting groove 8 on the mounting plate 17 in the installation process, so that the reliable limiting of the protection cover 1 after installation can be realized, and the protection cover 1 can be prevented from loosening. The outer wall of the installation rod 4 is slidably connected with the mounting plate 17. The mounting plate 17 is a basic installation component of the whole device, and is used for bearing the circuit board 20 and fixing the protection cover 1.

[0034] A plurality of mounting holes 9 are formed in the inner wall of the mounting plate 17. The mounting holes 9 are matched with the installation rod 4, so that the installation rod 4 can be inserted into the mounting holes 9, thereby realizing the connection between the protection cover 1 and the mounting plate 17. The inner wall of the protection cover 1 is provided with a heat dissipation assembly for heat dissipation. The heat dissipation assembly can effectively reduce the heat generated in the protection cover 1 due to the operation of the electronic components, ensure that the electronic components work in a suitable temperature environment, and prolong the service life of the electronic components. The top of the circuit board 20 is fixedly connected with an interface 18. The interface 18 is used for connecting with external equipment, realizing data transmission and other functions. The bottom of the circuit board 20 is fixedly connected with a plug-in board 19. The plug-in board 19 facilitates the connection between the circuit board 20 and the mounting plate 17, and ensures the stability of the installation of the circuit board 20.

[0035] The outer wall of the plug-in board 19 is slidingly connected to the inner wall of the mounting plate 17, through this sliding connection, the circuit board 20 can be conveniently installed on the mounting plate 17, the interface 18 is slidingly connected to the inner wall of the protective cover 1, further positioning and protecting the circuit board 20, a plurality of heat dissipation holes 11 are formed in the inner wall of the two sides of the protective cover 1, the heat dissipation holes 11 can make the hot air flow out of the protective cover 1, accelerate the internal air circulation, and achieve the heat dissipation purpose, a plurality of heat dissipation fins 12 are fixedly connected to the top of the protective cover 1, the heat dissipation fins 12 increase the heat dissipation area, and can more effectively conduct the heat in the protective cover 1 to the external environment.

[0036] With reference to Figures 1 to 3 The heat dissipation assembly includes a fan fixing plate 16, the fan fixing plate 16 is used for fixing the motor 15 and the fan blades 13, and stability of the motor 15 and the fan blades 13 in the working process is ensured, the outer wall of the fan fixing plate 16 is fixedly connected to the outer wall of the protective cover 1, stable connection with the protective cover 1 is realized, a plurality of fixing screws 14 are threadedly connected to the inner wall of the fan fixing plate 16, the fixing screws 14 can firmly install the motor 15 and the fan blades 13 on the fan fixing plate 16, and the inner wall of the fan fixing plate 16 is rotatably connected with a plurality of fan blades 13, the fan blades 13 rotate under the driving of the motor 15, air flow is generated, and the hot air flow in the protective cover 1 is blown out through the heat dissipation holes 11.

[0037] The outer wall of the fan fixing plate 16 is fixedly connected with the motor 15, the motor 15 provides power for rotation of the fan blades 13 and is a power source of the heat dissipation assembly, the top of the mounting rod 4 is fixedly connected with the handle 3, the handle 3 facilitates an operator to push the mounting rod 4 during installation, so that the installation operation is more convenient and labor-saving, and the outer wall of the limiting ball 7 is detachably connected to the inner wall of the mounting plate 17, the detachable connection facilitates the limiting ball 7 to be separated from the limiting of the mounting plate 17 when the protective cover 1 needs to be disassembled, so that the protective cover 1 is disassembled, and a plurality of limiting balls 7 are slidingly connected to the inner wall of the mounting rod 4, during installation, the limiting ball 7 can slide in the mounting rod 4, and cooperation with the sliding groove 10 and the limiting groove 8 on the mounting plate 17 is facilitated.

[0038] The inner wall of the mounting plate 17 is provided with a plurality of sliding grooves 10, the sliding grooves 10 provide a guide path for sliding of the limiting ball 7 during installation, the inner wall of the mounting plate 17 is provided with a limiting groove 8, the limiting groove 8 cooperates with the limiting ball 7 to limit the limiting ball 7 after installation is completed, so as to fix the protective cover 1, the outer wall of the limiting ball 7 is slidingly connected to the inner wall of the limiting groove 8, reliable fixation of the protective cover 1 is realized, the bottom of the protective cover 1 is fixedly connected with the circuit board 20, the circuit board 20 is a core component of the entire LED dot matrix display control device, carries various electronic elements and circuits, and realizes the control function of the LED dot matrix display.

[0039] Working principle: when the need to install the protective cover 1, at this time, first of all, the circuit board 20 is installed on the top of the mounting plate 17, at this time the plugboard 19 on the bottom of the circuit board 20 is inserted into the inner wall of the mounting plate 17, after the circuit board 20 is installed, at this time the protective cover 1 is covered on the circuit board 20, then the mounting rod 4 is inserted into the mounting foot 2 of the four corners of the protective cover 1, the mounting rod 4 is pushed into the inner wall of the mounting hole 9 of the inner wall of the mounting plate 17 through the handle 3, at this time the limiting ball 7 on the inner wall of the mounting rod 4 slides in the inner wall of the sliding groove 10, the limiting ball 7 will shrink to the inside of the mounting rod 4 under the action of the return spring 6, when the limiting ball 7 slides to the limiting slot 8 at the bottom of the sliding groove 10, the return spring 6 releases the elastic potential energy to make the limiting ball 7 pop into the inner wall of the limiting slot 8, so as to fix the protective cover 1 on the top of the mounting plate 17, so as to protect the circuit inside the circuit board 20.

[0040] When the temperature inside the circuit board 20 is too high in long-term use, at this time the motor 15 is started, the start of the motor 15 drives the fan blade 13 to rotate, so as to blow the hot air flow generated by the operation of the electronic components inside the protective cover 1 through the heat dissipation holes 11 on both sides of the protective cover 1, the heat dissipation fins 12 on the top of the protective cover 1 can also guide the heat inside the protective cover 1 to the outside of the protective cover 1, so as to guide the heat inside to keep the normal temperature inside, so that the electronic components inside can work normally, and prevent the electronic components inside from short circuit due to the high temperature inside.

[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. LED dot matrix display control device with protection structure, comprising a protection cover (1), characterized in that: The outer wall of the protective cover (1) is fixedly connected with a mounting foot (2), the inner wall of the mounting foot (2) is slidably connected with a mounting rod (4), the inner wall of the mounting rod (4) is fixedly connected with a mounting column (5), the outer wall of the mounting column (5) is fixedly connected with a plurality of reset springs (6), the other ends of the plurality of reset springs (6) are fixedly connected with a plurality of limiting balls (7), the outer wall of the mounting rod (4) is slidably connected with a mounting plate (17), the inner wall of the mounting plate (17) is provided with a plurality of mounting holes (9), and the inner wall of the protective cover (1) is provided with a heat dissipation assembly for heat dissipation.

2. The LED dot-matrix display control device with a protection structure according to claim 1, characterized in that: The heat dissipation assembly comprises a fan fixing plate (16), the outer wall of the fan fixing plate (16) is fixedly connected with the outer wall of the protective cover (1), the inner wall of the fan fixing plate (16) is threadedly connected with a plurality of fixing screws (14), the inner wall of the fan fixing plate (16) is rotatably connected with a plurality of fan blades (13), and the outer wall of the fan fixing plate (16) is fixedly connected with a motor (15).

3. The LED dot-matrix display control device with a protection structure according to claim 1, characterized in that: The top of the mounting rod (4) is fixedly connected with a handle (3), the outer wall of the limiting ball (7) is detachably connected with the inner wall of the mounting plate (17), and the plurality of limiting balls (7) are slidably connected with the inner wall of the mounting rod (4).

4. The LED dot-matrix display control device with a protection structure according to claim 3, characterized in that: The inner wall of the mounting plate (17) is provided with a plurality of sliding grooves (10), and the inner wall of the mounting plate (17) is provided with a limiting groove (8).

5. The LED dot-matrix display control device with a protection structure according to claim 4, characterized in that: The outer wall of the limiting ball (7) is slidably connected with the inner wall of the limiting groove (8), and the bottom of the protective cover (1) is fixedly connected with a circuit board (20).

6. The LED dot-matrix display control device with a protection structure according to claim 5, characterized in that: The top of the circuit board (20) is fixedly connected with an interface (18), and the bottom of the circuit board (20) is fixedly connected with a plugboard (19).

7. The LED dot-matrix display control device with a protection structure according to claim 6, characterized in that: The outer wall of the plugboard (19) is slidably connected with the inner wall of the mounting plate (17), and the interface (18) is slidably connected with the inner wall of the protective cover (1).

8. The LED dot-matrix display control device with a protection structure according to claim 1, characterized in that: The inner walls of the two sides of the protective cover (1) are provided with a plurality of heat dissipation holes (11), and the top of the protective cover (1) is fixedly connected with a plurality of heat dissipation fins (12).

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