CN209731855U - Multi-touch LCD module based on ARM+FPGA technology - Google Patents

Abstract

The utility model relates to display screen module technical fields; and it discloses based on ARM+FPGA technology multi-point touch liquid crystal display mould group; including installing front frame; the inside of the installation front frame is connected with display panel; it is fixedly connected with protection outline border on the outside of the installation front frame, is connected with fixed top frame at the top of the protection outline border.It should be based on ARM+FPGA technology multi-point touch liquid crystal display mould group, it is installed between front frame and installation after-frame by limited post and limiting slot convenient for users to display panel to be clamped in, further installation front frame and installation after-frame are fixed together by fixed top frame and protection chassis, keep the clamping for installing front frame and installation after-frame more firm, pass through the cooperation of briquetting and spring, convenient for users to will be in backplane card after mounting frame, front frame will be installed by bolt and installation after-frame is fixed together, promote the firm effect of connection, shorten the time of assembling, improve working efficiency, it is user-friendly.

Description

Multi-touch LCD module based on ARM+FPGA technology

technical field

The utility model relates to the technical field of display screen modules, in particular to a multi-touch liquid crystal display screen module based on ARM+FPGA technology.

Background technique

ARM's Jazelle technology enables Java acceleration to achieve much higher performance than the software-based Java virtual machine (JVM), and reduces power consumption by 80% compared with the equivalent non-Java acceleration core. The CPU function increases DSP instruction set to provide enhanced 16 1-bit and 32-bit arithmetic operation capability, which improves performance and flexibility, ARM also provides two cutting-edge features to assist in the debugging of highly integrated SoC devices with deeply embedded processors, which are embedded ICE-RT logic and embedded trace macros Nuclear (ETMS) series.

FPGA (Field-Programmable Gate Array), that is, field programmable gate array, is a product of further development on the basis of programmable devices such as PAL, GAL and CPLD. It is a kind of application-specific integrated circuit (ASIC) field. The emergence of semi-custom circuits not only solves the shortcomings of custom circuits, but also overcomes the shortcomings of the limited number of original programmable device gates.

However, the assembly of the multi-touch LCD modules currently on the market takes a lot of time, which reduces the work efficiency, complicates the assembly, wastes more time during mass production, and is inconvenient for users to use.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a multi-touch liquid crystal display module based on ARM+FPGA technology, which has the advantages of convenient assembly, convenient installation, good protection effect and time saving, etc., and solves the problems in the current market. It takes a lot of time to assemble the multi-touch LCD module, which reduces the work efficiency, complicates the assembly, wastes more time in mass production, and is inconvenient for users to use.

(2) Technical solution

In order to achieve the above-mentioned purposes of convenient assembly, convenient installation, good protection effect, and time saving, the utility model provides the following technical proposal: a multi-touch liquid crystal display module based on ARM+FPGA technology, including a front frame for installation. The inside of the frame is clamped with a display panel, the outer side of the pre-installation frame is fixedly connected with a protective outer frame, the top of the protective outer frame is clamped with a fixed top frame, and the bottom of the protective outer frame is threadedly connected with a protective bottom frame, the back of the installation front frame is provided with an installation rear frame, the inside of the installation rear frame is clamped with a backplane, the back of the backplane is fixedly connected with a junction box, and the back of the installation rear frame is screwed with a Bolts, fixed blocks are fixedly connected to both sides of the inner wall of the frame after installation, two springs are fixedly connected to the opposite sides of the two fixed blocks, and pressure blocks are fixedly connected to the opposite sides of the four springs, The four sides of the back of the front installation frame are fixedly connected with buffer blocks, the four sides of the back side of the front installation frame are fixedly connected with four limit posts, and the four corners of the back side of the front installation frame are provided with fixed thread grooves. The front four corners of the installed rear frame are provided with threaded through holes, the front four sides of the installed rear frame are all provided with four limit grooves, and the front four sides of the installed rear frame are provided with fixing grooves.

Preferably, the outer length and width of the front frame are equal to the outer length and width of the rear frame, and the length and width of the display panel are larger than the inner length and width of the front frame by five millimeters to one centimeter.

Preferably, the thickness of the protective outer frame is twice the thickness of the front frame before installation, the length of the fixed top frame is equal to the length of the protective outer frame, and the side of the fixed top frame is concave.

Preferably, the bottom of the protection chassis is provided with connection threaded holes, and the thickness of the frame after installation is equal to the thickness of the frame before installation.

Preferably, heat dissipation holes are provided on the back of the back plate, the junction box is integrally connected with the back plate, and the bolts are matched with the fixing threaded grooves and threaded through holes.

Preferably, two limiting grooves are provided on the opposite sides of the two fixing blocks, and the springs are fixedly connected in the limiting grooves, and a rubber plate is fixedly connected to the side of the pressure block away from the springs.

Preferably, the buffer block is a rubber block, the buffer block matches the fixing groove, and the limiting post matches the limiting groove.

(3) Beneficial effects

Compared with the prior art, the utility model provides a multi-touch liquid crystal display module based on ARM+FPGA technology, which has the following beneficial effects:

The multi-touch LCD module based on ARM+FPGA technology facilitates the user to clamp the display board between the front frame and the rear frame through the limit column and the limit groove, and fixes the top frame and protects The bottom frame further fixes the front frame and the rear frame together, making the clamping of the front frame and the rear frame more stable. Through the cooperation of the pressing block and the spring, it is convenient for the user to clamp the backboard in the rear frame , The front frame and the rear frame are fixedly connected together by bolts, which improves the stability of the connection, shortens the assembly time, improves work efficiency, and is convenient for users to use.

Description of drawings

Fig. 1 is a front view of the structure of the utility model;

Fig. 2 is a rear view of the structure of the utility model;

Fig. 3 is the rear view of the utility model installation front frame;

Fig. 4 is the front view of the frame after the utility model is installed.

In the figure: 1 installation front frame, 2 display panel, 3 protection outer frame, 4 fixed top frame, 5 protection bottom frame, 6 installation rear frame, 7 back plate, 8 junction box, 9 bolts, 10 fixing block, 11 spring , 12 pressure blocks, 13 buffer blocks, 14 limit posts, 15 fixed thread grooves, 16 threaded through holes, 17 limit grooves, 18 fixed grooves.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-4, the multi-touch LCD module based on ARM+FPGA technology, including the installation of the front frame 1, the inside of the installation front frame 1 is connected with the display panel 2, and the outside length and width of the installation front frame 1 Equal to the outer length and width of the rear frame 6 after installation, the length and width of the display panel 2 are larger than the length and width of the inner side of the front frame 1, and are five millimeters to one centimeter larger, and the outer side of the front frame 1 is fixedly connected with a protective outer frame 3, The top of the protective outer frame 3 is clipped with a fixed top frame 4, the thickness of the protective outer frame 3 is twice the thickness of the front frame 1 before installation, the length of the fixed top frame 4 is equal to the length of the protective outer frame 3, and the fixed top frame 4 The side is concave, the bottom of the protective outer frame 3 is screwed with a protective chassis 5, the back of the front frame 1 is provided with a rear frame 6, and the bottom of the protective chassis 5 is provided with a connecting screw hole, and the thickness of the rear frame 6 is The thickness of the frame 1 before installation is equal to that of the frame 6 after installation. The inside of the frame 6 is clamped with a back plate 7, and the back of the back plate 7 is fixedly connected with a junction box 8. The back of the frame 6 after installation is threaded with bolts 9. There are cooling holes on the back, the junction box 8 is integrally connected with the back plate 7, the bolts 9 match the fixed thread grooves 15 and the threaded through holes 16, and both sides of the inner wall of the frame 6 after installation are fixedly connected with fixed blocks 10, two The opposite sides of the fixed block 10 are fixedly connected with two springs 11, the opposite sides of the four springs 11 are fixedly connected with a pressure block 12, and the opposite sides of the two fixed blocks 10 are provided with two limit grooves, and the springs 11 All are fixedly connected in the limit groove, the side of the pressure block 12 away from the spring 11 is fixedly connected with a rubber plate, the four sides of the back of the front frame 1 are fixedly connected with buffer blocks 13, and the four sides of the back of the front frame 1 are fixedly connected There are four spacer posts 14, the four corners of the back side of the frame 1 before installation are provided with fixed thread grooves 15, the four corners of the front side of the frame 6 after installation are all provided with threaded through holes 16, and the four sides of the front side of the frame 6 after installation are provided with four Limiting groove 17, the front four sides of frame 6 after installation all offer fixing groove 18, and buffer block 13 is rubber block, and buffering block 13 matches with fixing groove 18, and spacing post 14 matches with limiting groove 17.

To sum up, the multi-touch liquid crystal display module based on ARM+FPGA technology facilitates the user to clamp the display panel 2 between the front frame 1 and the rear frame through the limit column 14 and the limit groove 17. 6, by fixing the top frame 4 and protecting the bottom frame 5, the front frame 1 and the rear frame 6 are further fixed together, so that the clamping of the front frame 1 and the rear frame 6 is more stable, and the pressure block 12 Cooperating with the spring 11, it is convenient for the user to clamp the back plate 7 in the rear frame 6, and the front frame 1 and the rear frame 6 are fixedly connected together by bolts 9, which improves the stability of the connection and shortens the assembly time. Improve work efficiency and facilitate the use of users.

It should be noted that the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes none other elements specifically listed, or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A multi-touch liquid crystal display module based on ARM+FPGA technology, including an installation front frame (1), characterized in that: the interior of the installation front frame (1) is clamped with a display panel (2), so The outer side of the pre-installation frame (1) is fixedly connected with a protective outer frame (3), the top of the protective outer frame (3) is clamped with a fixed top frame (4), and the bottom thread of the protective outer frame (3) A protective chassis (5) is connected, the back of the front installation frame (1) is provided with a rear installation frame (6), the inside of the rear installation frame (6) is clamped with a backplane (7), and the back The back of the plate (7) is fixedly connected with a junction box (8), the back of the installed rear frame (6) is threaded with bolts (9), and both sides of the inner wall of the installed rear frame (6) are fixedly connected with fixed block (10), two springs (11) are fixedly connected to the opposite sides of the two fixed blocks (10), and pressure blocks (12) are fixedly connected to the opposite sides of the four springs (11), so The four sides of the back of the front frame (1) are fixedly connected with buffer blocks (13), and the four sides of the back side of the front frame (1) are fixedly connected with four spacer posts (14). The front frame of the installation ( The four corners of the back side of 1) are all provided with fixed threaded grooves (15), the front four corners of the described post-installation frame (6) are provided with threaded through holes (16), and the front four sides of the described post-installation frame (6) are provided with There are four limiting slots (17), and fixing grooves (18) are provided on the front four sides of the frame (6) after installation. 2. The multi-touch liquid crystal display module based on ARM+FPGA technology according to claim 1, characterized in that: the outside length and width of the front frame (1) before installation and the outside length of the frame (6) after installation The widths are equal, and the length and width of the display panel (2) are larger than the length and width of the inside of the front frame (1), and are larger by five millimeters to one centimeter. 3. The multi-touch liquid crystal display module based on ARM+FPGA technology according to claim 1, characterized in that: the thickness of the protective outer frame (3) is twice the thickness of the front frame (1) before installation, The length of the fixed top frame (4) is equal to the length of the protective outer frame (3), and the side of the fixed top frame (4) is concave. 4. The multi-touch liquid crystal display module based on ARM+FPGA technology according to claim 1, characterized in that: the bottom of the protective chassis (5) is provided with a connecting threaded hole, and the installed rear frame ( 6) The thickness is equal to the thickness of the front frame (1) before installation. 5. The multi-touch liquid crystal display module based on ARM+FPGA technology according to claim 1, characterized in that: the back side of the back plate (7) is provided with cooling holes, and the junction box (8) and The backboard (7) is integrally connected, and the bolt (9) is matched with the fixing thread groove (15) and the threaded through hole (16). 6. The multi-touch liquid crystal display module based on ARM+FPGA technology according to claim 1, characterized in that: the opposite sides of the two fixed blocks (10) are provided with two limiting grooves, The springs (11) are all fixedly connected in the limit groove, and the side of the pressure block (12) away from the spring (11) is fixedly connected with a rubber plate. 7. The multi-touch liquid crystal display module based on ARM+FPGA technology according to claim 1, characterized in that: the buffer block (13) is a rubber block, and the buffer block (13) and the fixed groove (18 ) is matched, and the limit post (14) is matched with the limit groove (17).