Local display keyboard integrating coding and decoding functions
Through the keyboard with integrated codec functions, the HI3536 main chip and quick disassembly mechanism is used to solve the special functional requirements of the security industry for keyboards and complex equipment connection problems, and the simple operation and stable control of security equipment are achieved.
Patent Information
- Application Number
- CN202411367886.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-01-10
AI Technical Summary
Due to its versatility, existing keyboard controllers cannot meet the special functional needs of the security industry and the cumbersome connection between devices, which makes the keyboard inconvenient to use in security monitoring and encoding and decoding applications.
A keyboard with integrated codec function local display is designed, using HI3536 main chip, built-in high-performance A17 processor and multi-protocol video decoding engine, combined with dual high-definition display output, supports rich peripheral interfaces, and is implemented through quick disassembly mechanism. The rocker is fixed and removed for easy operation and use.
It realizes simple and quick input and control of security monitoring hosts, smart cameras, digital video recorders, and alarm hosts, avoids complex connections between devices, and improves the stability and operation convenience of the system.
Smart Images

Figure CN119297007A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of keyboards, and in particular to a keyboard with integrated coding and decoding functions and local display. Background Art
[0002] The existing codecs and keyboard controllers on the market are independent devices. Due to the compatibility issues of internal software protocols between devices, keyboard recognition or control failure often occur. Codec devices need to be connected to an external computer or keyboard controller for networking settings, and the keyboard has a relatively simple function. The multi-link connection between devices requires the addition of peripheral devices, such as switches, network cables, power supplies, etc. The keyboard key functions in existing computer technology cannot realize some special function operations in the security industry due to their versatility.
[0003] At present, in the operation of equipment, the keyboard is a commonly used device for human-computer interaction. Due to its convenient operation, simple data input method and low cost, it plays an irreplaceable role in information input. However, due to the universality of the keyboard key functions in existing computer technology, some special function operations in the security industry cannot be realized, and the existing keyboard controller in the security industry, as a separate device, needs to be matched with the corresponding protocol or software when controlling other devices before it can be used. The equipment connection is cumbersome and the system overhead is increased. Therefore, there is an urgent need for a keyboard with integrated encoding and decoding function and local display, which can be connected to the computer industry keyboard and also has the function of controlling the keyboard in the security industry, so as to realize the simple and fast input and control of the security monitoring host, encoding and decoding matrix, smart camera, digital video recorder, and alarm host. Summary of the invention
[0004] The object of the present invention is to provide a keyboard with integrated coding and decoding functions and local display, so as to solve the above technical problems.
[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0006] A keyboard with integrated coding and decoding functions and local display comprises a plastic upper shell and a plastic lower shell located below the plastic upper shell.
[0007] The main control board is assembled and fixed to the inner wall of the plastic lower shell by bolts;
[0008] A display screen fixing plate, fixedly connected to the inner wall of the plastic upper shell by screws;
[0009] The display screen driver board is assembled and fixed with the display screen fixing board by screws, and the signal is connected with the main control board through a data line;
[0010] Display screen: fixed on the display screen driving board by adhesive;
[0011] The shuttle knob plate is fixed to the inner wall of the plastic upper shell by screws, and the signal is connected to the main control board through a data line;
[0012] A shuttle knob, wherein the pins of the shuttle knob electronic device are welded on the shuttle knob board;
[0013] The indicator light board is fixed to the inner wall of the plastic upper shell by screws, and the signal is connected to the main control board through a data line.
[0014] Preferably, the keypad is fixed to the inner wall of the plastic upper shell by screws, and the signal is connected to the main control board via a data line;
[0015] A middle silicone key is fixed on the key board by a silicone foot at the bottom of the middle silicone key;
[0016] Right silicone button: fixed on the button board by the silicone foot at the bottom of the right silicone button;
[0017] Left silicone button: fixed on the button board by the silicone foot at the bottom of the left silicone button.
[0018] Preferably, a rocker, the rocker is fixedly mounted on the plastic upper shell through a quick release mechanism, and the signal is connected to the main control board through a data cable;
[0019] The plastic upper shell and the plastic lower shell are sealed and fastened by screws.
[0020] Preferably, the quick release mechanism comprises a mounting plate, and the mounting plate is fixedly mounted on the rocker;
[0021] A plurality of positioning tubes are fixedly mounted on the mounting plate, a mounting box is fixedly mounted inside the positioning tube, a moving block is slidably connected inside the mounting box, the bottom end of the moving block is connected to the mounting box via a first spring, a driving column is fixedly connected to the moving block, and the driving column passes through the mounting box and is slidably connected to the mounting box.
[0022] Preferably, the quick-release mechanism further comprises a connecting plate, the connecting plate is located at the bottom of the installation box and is fixedly connected to the installation box, and the connecting plate is fixedly connected to the positioning tube;
[0023] The connecting plate is rotatably connected to a rotating shaft, the rotating shaft is fixedly connected to a rotating plate, and the rotating plate is rotatably mounted with an auxiliary rod;
[0024] The moving block is provided with a track groove, and the auxiliary rod is located inside the track groove.
[0025] Preferably, the quick release mechanism further comprises a limit box, which is located between the two connecting plates and fixedly connected to the connecting plates;
[0026] A slide groove is provided on the inner wall at the bottom of the inner cavity of the limit box, and two sliders are slidably connected inside the slide groove, and a tilting block is fixedly connected to the slider, and the tilting block is connected to the limit box through a second spring, and the ends of the two tilting blocks that are away from each other are fixedly connected to the limit block, and the limit block is slidably connected to the limit box;
[0027] One end of the driving column extending to the limit box is fixedly connected with an extrusion column.
[0028] Preferably, the positioning tube is provided with a plurality of movable grooves, the movable grooves are provided with connecting rods, the plurality of connecting rods are connected through a driving ring, and the plurality of connecting rods are fixedly connected to the driving column;
[0029] The driving ring is fixedly connected with a limiting ring, and the limiting ring is provided with a plurality of grooves.
[0030] Preferably, the mounting plate is rotatably connected to a rotating ring, the rotating ring is fixedly connected to a supporting column, the supporting column is fixedly connected to a limiting plate, and the top and bottom of the limiting plate are fixedly connected to a plurality of flexible protrusions.
[0031] The beneficial effects of the present invention are:
[0032] 1. The device created by the present invention adopts HI3536 as the internal main chip. The chip has a built-in high-performance A17 processor and a multi-protocol video decoding engine with up to 16-channel 1080p decoding capability. It integrates a high-performance video / image processing engine with multiple complex image processing algorithms, combined with dual-channel high-definition display output capabilities, to provide the product with excellent image quality and support a rich range of peripheral interfaces. The main chip has 4 external DDRs, which can process the functions between each IO port and the control unit in parallel, avoiding the phenomenon of freezing to a certain extent.
[0033] 2. The present invention can make the driving ring drive the driving column and the extrusion column to move downward continuously by pressing the driving ring, so that the limiting plate can be continuously moved by the extrusion of the extrusion column, so that the limiting plate can be combined with the mounting plate, thereby supporting the plastic upper shell and fixing the rocker on the plastic upper shell. After the driving column moves to a certain position, the moving block will be limited, thereby having a good effect of fixing the rocker. By pressing it again, it can be restored to its original state, which makes it convenient to disassemble the rocker.
[0034] 3. In the present invention, after the rocker arm is fixed, the rotating ring can be rotated, and the rotating ring will cause the limit plate fixed with the flexible protrusion to rotate, so that the limit plate will move between the two limit rings, so that the limit ring can be well limited by the flexible protrusion, so that the driving ring cannot move, which can effectively prevent the rocker arm from being disassembled due to accidental touch, and the flexible protrusion can also well limit the rotation of the rotating ring, so that it can always limit the driving ring. BRIEF DESCRIPTION OF THE DRAWINGS
[0035] Figure 1 It is a structural schematic diagram of the present invention;
[0036] Figure 2 An exploded view of the present invention;
[0037] Figure 3 It is a schematic diagram of the connection between the rocker and the quick release mechanism of the present invention;
[0038] Figure 4 for Figure 3 A magnified schematic diagram of part A;
[0039] Figure 5 It is a schematic diagram of the internal structure of the installation tube of the present invention;
[0040] Figure 6 It is a schematic diagram of the internal structure of the limit box of the present invention;
[0041] Figure 7 It is a schematic structural diagram of the limiting ring of the present invention;
[0042] Figure 8 This is a control relationship diagram of the present invention;
[0043] Fig. 9 This is a schematic diagram of network control of the present invention.
[0044] Figure numerals: 01, plastic upper shell; 02, joystick; 03, display screen; 04, display screen driver board; 05, middle silicone button; 06, right silicone button; 07, main control board; 08, plastic lower shell; 09, button board; 10, left silicone button; 11, display screen fixing board; 12, indicator board; 13, shuttle knob board; 14, shuttle knob; 15, positioning tube; 16, mounting plate; 17, rotating ring; 18, limit plate; 19 , flexible protrusion; 20, support column; 21, groove; 22, limit ring; 23, connecting rod; 24, drive ring; 25, installation box; 26, moving block; 27, rotating plate; 28, first spring; 29, limit box; 30, limit block; 31, rotating shaft; 32, connecting plate; 33, track groove; 34, auxiliary rod; 35, drive column; 36, second spring; 37, slide groove; 38, slider; 39, tilting block; 40, extrusion column. DETAILED DESCRIPTION
[0045] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.
[0046] The specific embodiments of the present invention are described below with reference to the accompanying drawings.
[0047] Embodiment 1:
[0048] like Figure 1-9 As shown, a keyboard with integrated coding and decoding functions and local display includes a plastic upper shell 01 and a plastic lower shell 8 located below the plastic upper shell 01.
[0049] The main control board 07 is assembled and fixed with the inner wall of the plastic lower shell 8 by bolts;
[0050] The display screen fixing plate 11 is fixedly connected to the inner wall of the plastic upper shell 01 by screws;
[0051] The display screen driver board 4 is assembled and fixed with the display screen fixing board 11 by screws, and the signal is connected with the main control board 07 through the data line;
[0052] Display screen 03: fixed on the display screen driver board 4 by adhesive;
[0053] The shuttle knob board 13 is fixed to the inner wall of the plastic upper shell 01 by screws, and the signal is connected to the main control board 07 through a data line;
[0054] A shuttle knob 14, wherein the pins of the electronic components of the shuttle knob 14 are welded on the shuttle knob 14 board 13;
[0055] The indicator light board 12 is fixed to the inner wall of the plastic upper shell 01 by screws, and the signal is connected to the main control board 07 through a data line.
[0056] The keypad 09 is fixed to the inner wall of the plastic upper shell 01 by screws, and the signal is connected to the main control board 07 via a data cable;
[0057] The middle silicone key 05 is fixed on the key board 09 by the silicon foot at the bottom of the middle silicone key 05;
[0058] Right silicone button 06: The right silicone button 06 is fixed on the button board 09 through the silicone foot at the bottom of the right silicone button 06;
[0059] The left silicone button 10 is fixed on the button board 09 by the silicone feet at the bottom of the left silicone button 10 .
[0060] Joystick 02, which is fixed on the plastic upper shell 01 through a quick release mechanism, and the signal is connected to the main control board 07 through a data cable;
[0061] The plastic upper shell 01 and the plastic lower shell 8 are sealed and fastened by screws.
[0062] It uses human body safety voltage DC12V, and uses network cable or RS485 cable to connect with other devices. After power on, you can operate the button to unlock. After the main control board 07 recognizes the effective button operation, it controls the buzzer to emit the corresponding sound and the control indicator light to light up to remind the operator. After operating the button or shuttle knob 14, or operating the joystick 02 in different directions and angles, the main chip performs the corresponding action through program and algorithm analysis: access or control the connected device, and display the corresponding content.
[0063] It uses the HI3536 main chip and is equipped with 4 4G DDRs to encode the audio and video of the HDMI interface. It decodes the audio and video information transmitted from the Gigabit Ethernet port and displays it directly on the 8-inch display screen 03 of the local real-time keyboard and outputs it synchronously to the external large screen of the HDMI interface. The device has a USB interface and supports USB keyboard, mouse, U disk, etc. It has a 3.5mm audio interface and can directly connect to an external microphone and audio equipment. It has an RS485 terminal and supports the access of other devices with RS485 protocol, such as alarm host, sensor, matrix host, etc.
[0064] Adopting embedded Linux system, it can support long-term stable operation 7*24 hours.
[0065] The main chip has 4 external DDRs, has strong encoding / decoding capabilities for video and audio, can process data from each IO port in parallel, has a fast processing speed, and does not require buffering or waiting.
[0066] With its own 8-inch display screen 03, all operations can be displayed intuitively, eliminating the need for a computer.
[0067] It comes with a jog dial 14, 68 buttons and a joystick 02, which can directly operate and control various front-end devices: cameras, network video recorders, matrices, decoders, etc. It saves a dedicated keyboard controller for each device.
[0068] Rich interfaces, including RS485 port, network port, USB port, HDMI port, and audio port.
[0069] Compatible with all standard ONVIF protocol network cameras, network video servers NVR and other video sources, including Hikvision, Dahua and other manufacturers of cameras; support Tianshitong, Haixing, Xingwang Ruijie, Dahua, Ruishi, Hikvision, Hengye International, Jiegao, Xingwang, Xiongmai, Tiandiweiye, Anjiyuan, Uniview, nature, Honeywell, Xiangfei, Zhongwei, Samsung, Sony, Zhiteng and other home devices
[0070] The appearance design of this device is the most ergonomic and easy to use.
[0071] Adopting H.265 decoding technology, it supports 4-channel 4K / 16-channel 1080P / 32-channel 720P / 64-channel D1 video decoding.
[0072] Adopt H.264 encoding technology, support encoding 1080P, 720P and other resolutions; adjustable resolution and frame rate during encoding; video stream encryption after encoding
[0073] The keyboard with integrated coding and decoding function and local display of the present invention can be used to control the cameras, video recorders and matrix devices in the network after being connected to the network, retrieve the images of the front-end network cameras, and directly display them on the keyboard body or on the TV wall after decoding the images through the H.265 decoding technology of the main chip. By adopting the H.264 encoding technology, the audio and video inputted from the HDMI interface of the keyboard main control board 07 can be encoded and directly displayed or displayed on the TV wall. At the same time, the operator can remotely operate the keyboard through the computer, use the keyboard as a codec, make corresponding changes to the internal settings of the keyboard, and modify the image display on the TV wall.
[0074] The keyboard with integrated coding and decoding function and local display of the present invention has a shuttle knob 14, 68 keys and a rocker 02, and the display screen 03 is in the center position, which is the most ergonomic design. The operation and retrieved video can be intuitively displayed in real time in front of the user, which is convenient for the user to debug the on-site equipment. It supports USB interface and directly uses PC keyboard and mouse.
[0075] Embodiment 2:
[0076] like Figure 1-9 As shown, when other parts are the same as those of the embodiment 1, the difference between this embodiment and the embodiment 1 is that: the quick release mechanism includes a mounting plate 16, and the mounting plate 16 is fixedly mounted on the rocker 02;
[0077] A plurality of positioning tubes 15 are fixedly mounted on the mounting plate 16, a mounting box 25 is fixedly mounted inside the positioning tube 15, a moving block 26 is slidably connected inside the mounting box 25, the bottom end of the moving block 26 is connected to the mounting box 25 via a first spring 28, a driving column 35 is fixedly connected to the moving block 26, the driving column 35 passes through the mounting box 25 and is slidably connected to the mounting box 25.
[0078] The quick release mechanism further includes a connecting plate 32, which is located at the bottom of the installation box 25 and is fixedly connected to the installation box 25, and the connecting plate 32 is fixedly connected to the positioning tube 15;
[0079] The connecting plate 32 is rotatably connected to a rotating shaft 31, the rotating shaft 31 is fixedly connected to a rotating plate 27, and an auxiliary rod 34 is rotatably mounted on the rotating plate 27;
[0080] A track groove 33 is formed on the moving block 26 , and the auxiliary rod 34 is located inside the track groove 33 .
[0081] The quick release mechanism further includes a limit box 29, which is located between the two connecting plates 32 and fixedly connected to the connecting plates 32;
[0082] A slide groove 37 is provided on the inner wall of the inner cavity bottom of the limit box 29, and two sliders 38 are slidably connected inside the slide groove 37. A tilting block 39 is fixedly connected to the slider 38. The tilting block 39 is connected to the limit box 29 through a second spring 36. The ends of the two tilting blocks 39 that are away from each other are fixedly connected to the limit block 30, and the limit block 30 is slidably connected to the limit box 29.
[0083] One end of the driving column 35 extending to the limit box 29 is fixedly connected with a pressing column 40 .
[0084] Align the four mounting tubes on the mounting plate 16 with the plastic upper shell 01, and then insert them into the corresponding holes;
[0085] Press the driving ring 24, the driving ring 24 will drive the driving column 35 to move downward through the connecting rod 23, the driving column 35 will drive the moving block 26 to move downward, the moving block 26 will move the auxiliary rod 34 inside the track groove 33 through the track groove 33, when the auxiliary rod 34 moves to the top of the track groove 33, the driving ring 24 is released, and the driving column 35 will also be limited and stopped;
[0086] The downward movement of the driving column 35 will cause the squeezing column 40 to move downward, so that the squeezing column 40 will squeeze the tilting block 39, and the tilting block 39 will drive the limit block 30 to move continuously, so that the limit block 30 and the mounting plate 16 will support the plastic upper shell 01, thereby fixing the rocker 02 on the plastic upper shell 01;
[0087] When disassembly is required, the driving ring 24 is continuously pressed and then released to move the auxiliary rod 34 to its original position.
[0088] Embodiment 3:
[0089] like Figure 1-9 As shown, when other parts are the same as those of the embodiment 1, the difference between this embodiment and the embodiment 1 is that: a plurality of moving grooves are provided on the positioning tube 15, a connecting rod 23 is provided inside the moving groove, the plurality of connecting rods 23 are connected by a driving ring 24, and the plurality of connecting rods 23 are fixedly connected to the driving column 35;
[0090] The driving ring 24 is fixedly connected to a limiting ring 22 , and a plurality of grooves 21 are formed on the limiting ring 22 .
[0091] A rotating ring 17 is rotatably connected to the mounting plate 16 , a supporting column 20 is fixedly connected to the rotating ring 17 , a limiting plate 18 is fixedly connected to the supporting column 20 , and a plurality of flexible protrusions 19 are fixedly connected to the top and bottom of the limiting plate 18 .
[0092] After the rocker 02 is fixed, the rotating ring 17 can be rotated to make the rotating ring 17 drive the limiting plate 18 and the flexible protrusion 19 to rotate. When the flexible protrusion 19 is located between the two limiting rings 22 and plugged into the groove 21, it can effectively limit the position, so that the driving ring 24 cannot move. This can effectively prevent the rocker 02 from being disassembled due to accidental touch. In addition, the flexible protrusion 19 can also effectively limit the rotation of the rotating ring 17, so that it can always limit the driving ring 24.
[0093] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A keyboard with integrated coding and decoding functions and local display, comprising a plastic upper shell (01) and a plastic lower shell (8) located below the plastic upper shell (01), characterized in that: The main control board (07) is assembled and fixed to the inner wall of the plastic lower shell (8) by means of bolts; A display screen fixing plate (11) fixedly connected to the inner wall of the plastic upper shell (01) by means of screws; The display screen driving board (4) is assembled and fixed with the display screen fixing board (11) by screws, and the signal is connected with the main control board (07) via a data line; A display screen (03) is fixed on the display screen driving board (4) by means of adhesive; The shuttle knob plate (13) is fixed to the inner wall of the plastic upper shell (01) by screws, and the signal is connected to the main control board (07) via a data line; A shuttle knob (14), wherein the electronic device pins of the shuttle knob (14) are welded on the shuttle knob (14) plate (13); The indicator light board (12) is fixed to the inner wall of the plastic upper shell (01) by screws, and the signal is connected to the main control board (07) through a data line.
2. The keyboard with integrated coding and decoding function and local display according to claim 1, characterized in that: A keypad (09) is fixed to the inner wall of the plastic upper shell (01) by screws, and the signal is connected to the main control board (07) via a data line; The middle silicone key (05) is fixed on the key board (09) by the silicon feet at the bottom of the middle silicone key (05); Right silicone button (06): fixed on the button plate (09) by the silicone foot at the bottom of the right silicone button (06); The left silicone key (10) is fixed on the key board (09) by the silicone pin at the bottom of the left silicone key (10).
3. The keyboard with integrated coding and decoding function and local display according to claim 1, characterized in that: A rocker (02), wherein the rocker (02) is fixedly mounted on the plastic upper shell (01) via a quick release mechanism, and a signal is connected to the main control board (07) via a data line; The plastic upper shell (01) and the plastic lower shell (8) are sealed and fastened by screws.
4. The keyboard with integrated coding and decoding function and local display according to claim 3, characterized in that: The quick-release mechanism comprises a mounting plate (16), and the mounting plate (16) is fixedly mounted on the rocker (02); A plurality of positioning tubes (15) are fixedly mounted on the mounting plate (16), a mounting box (25) is fixedly mounted inside the positioning tube (15), a moving block (26) is slidably connected inside the mounting box (25), a bottom end of the moving block (26) is connected to the mounting box (25) via a first spring (28), a driving column (35) is fixedly connected to the moving block (26), and the driving column (35) passes through the mounting box (25) and is slidably connected to the mounting box (25).
5. The keyboard with integrated coding and decoding function and local display according to claim 4, characterized in that: The quick-release mechanism further comprises a connecting plate (32), wherein the connecting plate (32) is located at the bottom of the installation box (25) and is fixedly connected to the installation box (25), and the connecting plate (32) is fixedly connected to the positioning tube (15); The connecting plate (32) is rotatably connected to a rotating shaft (31), the rotating shaft (31) is fixedly connected to a rotating plate (27), and an auxiliary rod (34) is rotatably mounted on the rotating plate (27); The moving block (26) is provided with a track groove (33), and the auxiliary rod (34) is located inside the track groove (33).
6. The keyboard with integrated coding and decoding function and local display according to claim 5, characterized in that: The quick-release mechanism further comprises a limit box (29), wherein the limit box (29) is located between the two connecting plates (32) and is fixedly connected to the connecting plates (32); A slide groove (37) is provided on the inner wall of the inner cavity bottom of the limit box (29), two sliders (38) are slidably connected inside the slide groove (37), an inclined block (39) is fixedly connected to the slider (38), the inclined block (39) is connected to the limit box (29) through a second spring (36), and the ends of the two inclined blocks (39) that are away from each other are fixedly connected to the limit block (30), and the limit block (30) is slidably connected to the limit box (29); One end of the driving column (35) extending to the limit box (29) is fixedly connected to a pressing column (40).
7. The keyboard with integrated coding and decoding function and local display according to claim 5, characterized in that: The positioning tube (15) is provided with a plurality of movable grooves, and a connecting rod (23) is arranged inside the movable groove. The plurality of connecting rods (23) are connected through a driving ring (24), and the plurality of connecting rods (23) are fixedly connected to a driving column (35); The driving ring (24) is fixedly connected to a limiting ring (22), and the limiting ring (22) is provided with a plurality of grooves (21).
8. The keyboard with integrated coding and decoding function and local display according to claim 7, characterized in that: The mounting plate (16) is rotatably connected to a rotating ring (17), the rotating ring (17) is fixedly connected to a supporting column (20), the supporting column (20) is fixedly connected to a limiting plate (18), and the limiting plate (18) is fixedly connected to a plurality of flexible protrusions (19) at the top and bottom.