CN116456043A - Intelligent HDMI switching system and HDMI switcher - Google Patents
Intelligent HDMI switching system and HDMI switcher Download PDFInfo
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- CN116456043A CN116456043A CN202310463799.7A CN202310463799A CN116456043A CN 116456043 A CN116456043 A CN 116456043A CN 202310463799 A CN202310463799 A CN 202310463799A CN 116456043 A CN116456043 A CN 116456043A
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- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- IYZWUWBAFUBNCH-UHFFFAOYSA-N 2,6-dichlorobiphenyl Chemical compound ClC1=CC=CC(Cl)=C1C1=CC=CC=C1 IYZWUWBAFUBNCH-UHFFFAOYSA-N 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The utility model relates to an wisdom HDMI switching system and HDMI switch belongs to the switch field, through the signal detection module that sets up, through initiative detection part and passive detection part, judges whether the input port has the signal to insert in two aspects, when judging that the port does not insert, when switching video signal route, skips the port that does not insert to only show and insert and by the port of video data input, thereby make things convenient for switching between the circuit.
Description
Technical Field
The invention relates to an intelligent HDMI switching system and an HDMI switcher, belongs to the field of image communication, and particularly belongs to the HDMI switcher.
Background
The HDMI switch transmits one or more HDMI signals to one or more display devices, for example, two computer hosts share a display, and the matrix switch can switch the content on the two computer hosts to one or more displays. Multiple resolutions up to 1080p are supported. The user may select any one of the different signal input sources using a receiving display device, and the user may switch the signal sources either remotely or manually.
When the conventional HDMI switch is used, no matter whether the input port is connected or not, the port information is displayed on the display, wherein when the port which is not connected is displayed, no signal or no picture is displayed, so that the line needs to be manually switched, which causes inconvenient use of the switching process.
Therefore, we propose an intelligent HDMI switching system and HDMI switch.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: whether or not the input port has access, the port information is displayed on the display.
(II) technical scheme
To achieve the above object, the present invention provides an intelligent HDMI switching system comprising
A digital signal input port for receiving a digital video signal;
an analog signal input port for receiving an analog video signal;
an amplifying module for amplifying the analog video signal;
the filtering module is used for filtering signals which do not accord with the regulation frequency in the analog video signals;
a decoding module for decoding and reading the analog video signal and the digital video signal,
the processor converts the decoded video signal into a unified format and transmits the unified format to the output port;
the infrared receiving module receives the infrared signals and transmits the switching instruction to the processor;
the signal detection module is used for detecting whether the digital signal input port and the analog signal input port are inserted or not through micro-current, and sending an instruction to the processor when the ports are not inserted, and skipping the port signals when the ports are switched;
and an output port for outputting the transcoded video signal.
HDMI switch, which comprises a housing, the top of shell is equipped with the top cap, the inside of shell is equipped with supporting component, be equipped with linkage subassembly between supporting component and the top cap, supporting component's top is equipped with the PCB board, enlarge module, filter module, decode module, treater, infrared receiving module and signal detection module all set up on the PCB board, the rear end of PCB board is fixed and is equipped with the mounting panel, the rear end of mounting panel is equipped with interface conversion subassembly, the rear end of PCB board is fixed and is equipped with the output port that is located the mounting panel avris, a plurality of louvre has been seted up to the bottom both sides of shell, the inside bottom of shell is equipped with the pulling force subassembly, the both sides of pulling force subassembly are equipped with the mounting assembly.
The interface conversion assembly comprises a plurality of switching blocks, default interfaces are fixedly arranged on the rear sides of the switching blocks, preassembly interfaces are fixedly arranged on the tops of the switching blocks, transmission lines are fixedly arranged on the front sides and the bottom ends of the switching blocks respectively, the transmission lines are electrically connected with the preassembly interfaces and the default interfaces respectively, the transmission lines are electrically connected with a PCB (printed circuit board), end blocks are arranged on one sides, away from each other, of the switching blocks located on the two sides, of the switching blocks, a swivel is fixedly arranged on one side, close to the switching blocks, of the end blocks and one side, away from the end blocks, of the switching blocks, square blocks are fixedly arranged on the inner circumference sides of the swivel, four arc-shaped elastic pieces are arranged on the inner circumference sides of the swivel, the square blocks are located between the four arc-shaped elastic pieces, square blocks are fixedly arranged on the opposite sides of the end blocks, radians are arranged on four corners of the square blocks, mounting strips are detachably arranged on one sides, away from each other, and are detachably connected to the two sides of the rear end plates respectively.
The support assembly comprises a support frame hinged to the inner wall of the rear end of the shell, a sliding groove is formed in the middle of the support frame, a sliding frame is arranged in the sliding groove in a sliding mode, a placing groove is formed in the top of the sliding frame, a first limiting notch and a second limiting notch located on the side of the first limiting notch are formed in the rear end of the sliding frame, extension rods are fixedly arranged on two sides of the front end of the support frame, and tension springs are fixedly arranged on the rear side of the bottom of the support frame, and the ends of the tension springs are fixedly connected with the bottom end of the shell.
The inner side of the extension rod is provided with a strip-shaped groove, the linkage assembly comprises two connecting rods fixedly connected to the bottom of the shell, the end parts of the connecting rods are rotationally provided with rotating shafts, the rotating shafts are slidably connected inside the strip-shaped groove, the two inner sides of the connecting rods are rotationally provided with a first spring rod, the other end of the first spring rod is fixedly connected with the front end of the supporting frame, the linkage assembly further comprises a second spring rod, the second spring rod is fixedly connected to the front side of the bottom end of the supporting frame, and a supporting seat is rotationally arranged at the bottom end of the second spring rod.
The bottom of shell is equipped with compresses tightly the subassembly, compress tightly the subassembly and set up respectively in the crossing of shell bottom both sides board, the top and the top cap fixed connection of installation connecting rod, the bottom rotation of installation connecting rod is equipped with the crossing board No. one, the middle part rotation of crossing board No. one is equipped with the crossing board No. two, the both ends of crossing board No. one and crossing board No. two are all rotated and are equipped with the runner, four around being equipped with same belt on the runner.
The pull force assembly comprises a rectangular plate embedded in the inner wall of the bottom end of the shell, sliding cavities are formed in two ends of two sides of the rectangular plate, two baffle plates are arranged in the sliding cavities in a sliding mode, a pull rod is fixedly arranged on one side, away from each other, of each baffle plate, and a compression spring located in the sliding cavities is sleeved on the pull rod.
The installation component includes mobile part and installation department, and mobile part includes fixed connection in the compensation plate of pull rod tip, the bottom mounting that pull rod one side was kept away from to the compensation plate is equipped with interior limiting plate, the bottom mounting of interior limiting plate is equipped with a plurality of connection pieces, a plurality of the connection piece passes the fixed same outer limiting plate that is equipped with of louvre, the bottom mounting of outer limiting plate is equipped with outer limiting plate, the bottom of outer limiting plate.
The installation department includes a plurality of elastic strip of fixed connection in outer limiting plate bottom circumference side respectively, the bottom mounting of an elastic strip is equipped with No. two elastic strips, no. two elastic strips slope to the outside, no. two elastic strip's end fixing is equipped with V-arrangement hook, the outside cover of an elastic strip of a plurality of is equipped with same thread bush, thread groove has been seted up to the inside of thread bush, a plurality of the inboard of an elastic strip is equipped with the center post.
The central column comprises a column body, an opening ring is fixedly arranged outside the column body, a plurality of extension blocks which are respectively positioned between the adjacent elastic strips are fixedly arranged on the circumferential side of the column body, and thread grooves are also formed in the outer sides of the extension blocks.
(III) beneficial effects
The intelligent HDMI switching system and HDMI switcher provided by the invention have the beneficial effects that:
through the signal detection module that sets up, through initiative detection part and passive detection part, judge whether the input port has the signal to insert in two aspects, when judging that the port does not insert, when switching video signal route, skip the port that does not insert to only show the port that has the access and by video data input, thereby make things convenient for switching between the circuit.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic flow chart of an intelligent HDMI switching system provided in the present application;
fig. 2 is a schematic structural diagram of an HDMI switch provided in the present application;
fig. 3 is a schematic side sectional structure of an HDMI switch provided in the present application;
fig. 4 is a schematic side sectional structure of the HDMI switch according to the present application in the open state of the housing;
fig. 5 is a schematic top view of a support assembly in an HDMI switch provided in the present application;
fig. 6 is a schematic structural diagram of a PCB board in the HDMI switch provided in the present application;
fig. 7 is a schematic structural diagram of an interface conversion component in the HDMI switch provided in the present application;
fig. 8 is a schematic structural diagram of a tension component in the HDMI switch provided in the present application;
fig. 9 is a schematic structural diagram of a mounting component in the HDMI switch provided in the present application;
fig. 10 is a schematic top view of a center pillar in an HDMI switch provided in the present application;
fig. 11 is a schematic structural diagram of a center column in the HDMI switch provided in the present application;
fig. 12 is a schematic structural diagram of a connection bar in the HDMI switch provided in the present application;
fig. 13 is a schematic structural diagram of a pressing component in the HDMI switch provided in the present application.
1. A housing; 2. a top cover; 3. a support assembly; 31. a support frame; 32. a sliding groove; 33. a sliding frame; 34. a first limit notch; 35. a second limit notch; 36. an extension rod; 4. a tension spring; 5. a spring rod number one; 6. a connecting rod; 7. a spring rod II; 8. a support base; 9. a compression assembly; 91. crossing a first plate; 92. crossing the second plate; 93. a rotating wheel; 94. a belt; 95. installing a connecting rod; 10. a PCB board; 11. a mounting plate; 12. an interface conversion component; 121. a switching block; 122. a default interface; 123. preassembling an interface; 124. a transmission line; 125. an end block; 126. a swivel; 127. square blocks; 128. a mounting bar; 13. an output port; 14. a heat radiation hole; 15. a tension assembly; 151. a rectangular plate; 152. a sliding cavity; 153. a baffle; 154. a pull rod; 155. a compression spring; 16. a mounting assembly; 161. an inner limiting plate; 162. a compensation plate; 163. a connecting sheet; 164. an outer limiting plate; 165. a first elastic strip; 166. a second elastic strip; 167. a V-shaped hook; 168. a thread sleeve; 169. a center column; 1691. a column; 1692. an extension block; 1693. a bracing ring; 17. a connecting strip; 18. and (5) scraping the blade.
Description of the embodiments
The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings and examples. The following examples are only illustrative of the present invention and are not intended to limit the scope of the invention.
Examples
As shown in fig. 1, the present embodiment provides an intelligent HDMI switching system, which includes
A digital signal input port for receiving a digital video signal;
an analog signal input port for receiving an analog video signal;
an amplifying module for amplifying the analog video signal;
the filtering module is used for filtering signals which do not meet the condition frequency in the analog video signals;
a decoding module for decoding and reading the analog video signal and the digital video signal,
the processor converts the decoded video signal into a unified format and transmits the unified format to the output port;
the infrared receiving module receives the infrared signals and transmits the switching instruction to the processor;
the signal detection module is used for judging whether the port is accessed or not;
an output port for outputting the transcoded video signal;
the signal detection module comprises an active detection part and a passive detection part, wherein the active detection part detects whether a digital signal input port and an analog signal input port are inserted or not through micro-current, and when the ports are not inserted, an instruction is sent to the processor, and when the ports are switched, the port signals are skipped.
The passive detection part comprises a current sensor with input ports connected in series, and is used for directly detecting the electric signals input by the interface.
A pre-display buffer is arranged between the decoding module and the processor, and video data is pre-loaded in the buffer, so that the switching process is smoother;
after the digital video signal is input into the digital signal input port, the digital video signal is decoded by the decoding module, the analog video signal is input into the analog signal input port, the signal is filtered by the filtering module after being amplified by the amplifying module, and is also decoded by the decoding module, the processor converts the decoded data into a unified format and transmits the unified format to the output port, and the infrared receiving module controls the processor to switch the video signal and output from the output port.
Examples
The scheme of example 1 is further described in conjunction with the specific operation described below:
as shown in fig. 2, fig. 3, fig. 5, fig. 6 and fig. 8, this embodiment provides wisdom HDMI switching system and HDMI switch, which comprises a housing 1, the top of shell 1 is equipped with top cap 2, the inside of shell 1 is equipped with supporting component 3, be equipped with linkage subassembly between supporting component 3 and the top cap 2, the top of supporting component 3 is equipped with PCB board 10, amplify the module, filter module, decoding module, the treater, infrared receiving module and signal detection module all set up on PCB board 10, the rear end of PCB board 10 is fixed and is equipped with mounting panel 11, the rear end of mounting panel 11 is equipped with interface conversion subassembly 12, the rear end of PCB board 10 is fixed and is equipped with the output port 13 that is located mounting panel 11 avris, a plurality of louvre 14 has been seted up to the bottom both sides of shell 1, the inside bottom of shell 1 is equipped with pulling force subassembly 15, the both sides of pulling force subassembly 15 are equipped with installation component 16.
As shown in fig. 6 and fig. 7, as a preferred embodiment, further, on the basis of the above manner, the interface conversion assembly 12 includes a plurality of switching blocks 121, a default interface 122 is fixedly provided at the rear side of the switching blocks 121, a preassembly interface 123 is fixedly provided at the top of the switching blocks 121, transmission lines 124 are fixedly provided at the front side and the bottom of the switching blocks 121, two transmission lines 124 are respectively electrically connected with the preassembly interface 123 and the default interface 122, the transmission lines 124 are electrically connected with the PCB board 10, one side of the switching blocks 121 at two sides is provided with an end block 125, one side of one end block 125 close to the switching block 121 and one side of the plurality of switching blocks 121 far from the end block 125 are fixedly provided with a swivel ring 126, one side of the other end block 125 close to the switching block 121 and one side of the plurality of switching blocks 121 far from the end block 125 are fixedly provided with square blocks 127, four arc-shaped sides are provided at the inner circumference sides of the swivel ring 126, the square blocks 127 are located between the four arc-shaped elastic pieces, one opposite sides of the two end blocks 125 are also fixedly provided with square blocks 127, four corners of the square blocks 127 are provided with arc-shaped end blocks 125, one side of each other side far from each other is provided with two opposite end blocks 128, two end blocks are respectively provided with two end blocks 128 which are detachably connected with two ports, and each end blocks are required to be connected with two ports 11, and each end ports are required to be selectively and two end ports are required to be connected to be two ports, respectively, and each end ports of the two end plates are required to be connected to be in a process can be used, and can be selectively and can be connected to each port and can be used to be respectively and when and has two ports and can be used to be required to be used.
As shown in fig. 3, fig. 5 and fig. 6, as a preferred embodiment, further, on the basis of the above manner, the support assembly 3 includes a support frame 31 hinged to the inner wall of the rear end of the housing 1, a sliding groove 32 is provided in the middle of the support frame 31, a sliding frame 33 is provided in the sliding groove 32 in a sliding manner, a placing groove is provided at the top of the sliding frame 33, a first limit notch 34 and a second limit notch 35 located at the side of the first limit notch 34 are provided at the rear end of the sliding frame 33, extension rods 36 are fixedly provided at both sides of the front end of the support frame 31, the pcb board 10 is placed in the placing groove, the mounting plate 11 is located in the first limit notch 34, the output port 13 is located in the second limit notch 35, a tension spring 4 is fixedly provided at the rear side of the bottom of the support frame 31, the end of the tension spring 4 is fixedly connected with the bottom end of the housing 1, and the tension spring 4 exerts a downward force on the support frame 31.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, as a preferred embodiment, further, on the basis of the above manner, a bar groove is formed on the inner side of the extension rod 36, the linkage assembly includes two connecting rods 6 fixedly connected to the bottom of the housing 1, the end of the connecting rod 6 is rotatably provided with a rotating shaft, the rotating shaft is slidably connected to the inside of the bar groove, the inner sides of the two connecting rods 6 are rotatably provided with a first spring rod 5, the other end of the first spring rod 5 is fixedly connected to the front end of the supporting frame 31, when the top cover 2 is lifted, the connecting rod 6 pulls the sliding frame 33 to move backward, thereby moving the default interface 122 to the inside of the housing 1, the linkage assembly further includes a second spring rod 7, the second spring rod 7 is fixedly connected to the front side of the bottom end of the supporting frame 31, the bottom end of the second spring rod 7 is rotatably provided with a supporting seat 8, the second spring rod 7 and the supporting seat 8 are used for supporting the supporting frame 31, and when the top cover 2 is opened, the supporting seat 8 is kept against the angle of the top cover 2.
As shown in fig. 3 and 13, as a preferred embodiment, further, the bottom of the casing 1 is provided with the pressing component 9 on the basis of the above manner, the pressing component 9 includes four crossed first plates 91 respectively disposed at two sides of the bottom end of the casing 1, the top end of the mounting connecting rod 95 is fixedly connected with the top cover 2, the bottom end of the mounting connecting rod 95 is rotatably provided with the crossed first plates 91, the middle part of the crossed first plates 91 is rotatably provided with the crossed second plates 92, both ends of the crossed first plates 91 and the crossed second plates 92 are rotatably provided with rotating wheels 93, the four rotating wheels 93 are wound with the same belt 94, in the state that the top cover 2 is closed, the bottom ends of the belt 94 press the edge of the PCB 10, the crossed first plates 91 and the crossed second plates 92 deflect when being pressed by the PCB 10 and the top cover 2, the belt 94 is stretched, the elastic force of the belt 94 makes the crossed first plates 91 and the crossed second plates 92 have a reset trend, so that when the PCB 10 is pressed, the rotating wheels 93 can not crush the PCB 10, and when the PCB 10 moves, the rotating plates 93 can move more easily.
As shown in fig. 8, as a preferred embodiment, based on the above manner, the tension assembly 15 further includes a rectangular plate 151 embedded in the inner wall of the bottom end of the casing 1, two ends of two sides of the rectangular plate 151 are provided with sliding cavities 152, two baffles 153 are slidably provided in the sliding cavities 152, a pull rod 154 is fixedly provided on one side of the two baffles 153 away from each other, a compression spring 155 located in the sliding cavities 152 is sleeved on the pull rod 154, the pull rod 154 is moved towards the direction of the rectangular plate 151 by the elasticity of the compression spring 155, and a mounting hole for mounting a radiator fan is provided in the middle of the rectangular plate 151.
As shown in fig. 8 and 9, as a preferred embodiment, further, the mounting assembly 16 includes a moving portion and a mounting portion, the moving portion includes a compensation plate 162 fixedly connected to an end of the pull rod 154, an inner limiting plate 161 is provided at a bottom end of the compensation plate 162 far away from the pull rod 154, a plurality of connecting plates 163 are provided at a bottom end of the inner limiting plate 161, the same outer limiting plate 164 is provided at a bottom end of the plurality of connecting plates 163 penetrating through the heat dissipation holes 14, an outer limiting plate 164 is provided at a bottom end of the outer limiting plate 164, and a bottom end of the outer limiting plate 164 is provided at a bottom end of the outer limiting plate 164.
As shown in fig. 9, 10 and 11, as a preferred embodiment, based on the above manner, the mounting portion further includes a plurality of first elastic strips 165 fixedly connected to the circumferential side of the bottom end of the outer limiting plate 164, a second elastic strip 166 is fixed at the bottom end of the first elastic strip 165, the second elastic strip 166 is inclined outwards, a V-shaped hook 167 is fixed at the end of the second elastic strip 166, the opening direction of the V-shaped hook 167 is the inner side, the outer sides of the plurality of first elastic strips 165 are sleeved with the same thread sleeve 168, a thread groove is formed in the thread sleeve 168, and a center column 169 is arranged at the inner side of the plurality of first elastic strips 165.
As shown in fig. 11, as a preferred embodiment, further, on the basis of the above manner, the center column 169 includes a column 1691, a supporting ring 1693 is fixedly arranged outside the column 1691, a plurality of extending blocks 1692 respectively located between adjacent first elastic strips 165 are fixedly arranged on the circumference side of the column 1691, a thread groove is also formed on the outer side of the extending blocks 1692, when the mounting hole is used for mounting, the supporting ring 1693 is clamped into an opening of the V-shaped hook 167, then the V-shaped hook 167 is inserted into the mounting hole, the thread sleeve 168 is screwed to enable the center column 169 to move in a direction away from the shell 1, the supporting ring 1693 presses the V-shaped hook 167 to enable the V-shaped hook 167 to prop against the inner wall of the mounting hole, when the mounting pin is used for mounting, the V-shaped hook 167 is clamped on a nut cap, the thread sleeve 168 is screwed to enable the thread sleeve 168 to move in a direction away from the shell 1, when the mounting hole is used for mounting, the V-shaped hook 167 is clamped by the nut 168, the thread sleeve 168 and the center column 169 is clamped into the opening of the V-shaped hook 167, then the V-shaped hook 167 is inserted into the mounting hole, then the mounting bracket 168 is required to be directly clamped by the V-shaped hook 167, and then the display bracket 16 is screwed to be positioned on two sides of the display bracket 16, and the display bracket 16 is required to be directly clamped to be positioned on two sides of the display bracket 16, and the display bracket 16 is further, and the display bracket is required to be moved away from the two sides by the side of the display bracket 16 is positioned on the side and the display bracket 16 is far from the side.
As shown in fig. 12, as a preferred embodiment, in addition to the above-mentioned mode, two connecting bars 17 are fixedly arranged between the inner limiting plates 161 on the same side, a plurality of scraping blades 18 are fixedly arranged at the bottom ends of the connecting bars 17, the bottom ends of the scraping blades 18 on the two connecting bars 17 are close to each other, and when the mounting assembly 16 is moved, the scraping blades 18 scrape dust in the heat dissipation holes 14.
Examples
The schemes of examples 1 and 2 are further described below in conjunction with specific modes of operation, as described below:
specifically, the HDMI switch is in operation/in use: connecting a signal port of a signal source with an input port, connecting an output port 13 with a display device, then installing, when installing by using an installation hole, clamping a spreading ring 1693 into an opening of a V-shaped hook 167, then inserting the V-shaped hook 167 into the installation hole, screwing a thread bush 168 to enable a center column 169 to move away from a shell 1, pressing the V-shaped hook 167 by the spreading ring 1693 to enable the V-shaped hook 167 to spread against the inner wall of the installation hole, realizing installation, when installing by using an installation nail, clamping the opening of the V-shaped hook 167 on a nail cap, screwing the thread bush 168 to enable the thread bush 168 to move away from the shell 1, clamping the nail cap by the V-shaped hook 167 by the thread bush 168, when placing and installing, moving the thread bush 168 and the center column 169 to enable the spreading ring 1693 to be clamped in the V-shaped hook 167, directly supporting the shell 1, when the device is required to be mounted on a display bracket, the threaded sleeve 168 is screwed to enable the threaded sleeve 168 to be far away from the shell 1, then the threaded sleeve 168 is pulled to two sides, the mounting assemblies 16 on two sides drive the pull rods 154 to be far away from each other, then the display bracket is clamped by the mounting assemblies 16, and two sides of the display bracket are positioned between the threaded sleeve 168 and the shell 1, the threaded sleeve 168 is screwed to enable the threaded sleeve 168 to be close to the shell 1 to clamp the display bracket, so that the device is mounted on the display bracket, when the mounting assemblies 16 are moved, the scraping blade 18 scrapes dust in the heat dissipation holes 14, the inclined arrangement of the scraping blade 18 pushes the dust out of the shell 1, when in maintenance, the top cover 2 is pushed forward from behind, the connecting rod 6 is moved to the front end of the supporting frame 31, then the top cover 2 is lifted, the front end of the supporting frame 31 is lifted by the top cover 2 and the connecting rod 6, then the front end of the top cover 2 is moved into the shell 1, the supporting seat 8 props against the top cover 2 to enable the supporting frame 31 to keep a good angle against a maintenance personnel, the top cover 2 cannot rebound due to the tensile force of the first spring rod 5, after maintenance is finished, the top cover 2 is closed, the first spring rod 5 is compressed to push the supporting frame 31 to move backwards, the top cover 2 is moved forwards to reset the top cover 2, at the moment, the default interface 122 stretches out from the rear end of the shell 1, when an input port needs to be switched, after the top cover 2 is opened, the proper preassembly interface 123 is rotated to the rear by the rotating switching block 121, and then the top cover 2 is closed.
1. The reserved ports are arranged through the arranged interface conversion assembly, so that switching of the input ports is realized, matching schemes of different input ports are increased, compared with the traditional scheme, the space and cost occupied by HDMI are not greatly increased, and the problems that in the prior art, the interfaces are insufficient when the same type of input interfaces are accessed, the fuselage is enlarged due to the increase of the interfaces, the occupied space is large and the appearance is not attractive are solved;
2. through the supporting component and the linkage component, when the top cover is opened, the PCB is ejected out of the shell, and the position of the PCB is supported and maintained, so that the overhaul is convenient;
3. through the compression assembly, when the top cover is closed, the bottom end of the belt presses the edge of the PCB, the first crossed plate and the second crossed plate deflect to enable the whole body to be flat when being subjected to the pressure of the PCB and the top cover, the belt is stretched, the elastic force of the belt enables the first crossed plate and the second crossed plate to have a resetting trend, so that the PCB can not be crushed while the pressure is applied to the PCB, and meanwhile, when the PCB moves, the rotating wheel rotates to enable the PCB to move more easily;
4. when the installation assembly is used for installation, the opening of the V-shaped hook is clamped on the nut, the thread bush is screwed to enable the thread bush to be far away from the shell, then the thread bush is pulled to enable the thread bush to be far away from the shell, the installation assembly on the two sides drives the pull rod to be far away from each other, then the installation assembly is utilized to clamp the display bracket, the two sides of the display bracket are positioned between the thread bush and the shell, the thread bush is screwed to enable the thread bush to be close to the shell to clamp the display bracket, and the display bracket is installed;
5. through connecting strip and the doctor-bar that set up, when removing the installation component, the inside dust of louvre is scraped to the doctor-bar, and the slope setting of doctor-bar promotes the outside of dust discharge shell.
The above embodiments are only for illustrating the present invention, and are not limiting of the present invention. While the invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and substitutions can be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. Intelligent HDMI switching system, which is characterized by comprising
A digital signal input port for receiving a digital video signal;
an analog signal input port for receiving an analog video signal;
an amplifying module for amplifying the analog video signal;
the filtering module is used for filtering signals which do not meet the condition frequency in the analog video signals;
a decoding module for decoding and reading the analog video signal and the digital video signal,
the processor converts the decoded video signal into a unified format and transmits the unified format to the output port;
the infrared receiving module receives the infrared signals and transmits the switching instruction to the processor;
the signal detection module is used for detecting whether an input port is accessed;
and an output port for outputting the transcoded video signal.
2. The smart HDMI switching system of claim 1, wherein the signal detection module comprises an active detection portion and a passive detection portion, the active detection portion detecting whether the digital signal input port and the analog signal input port are plugged by a micro-current, and when the ports are not plugged, sending an instruction to the processor, and switching to skip the port signal.
3. The intelligent HDMI switching system of claim 2, wherein the passive sensing section has an input port connected in series with a current sensor for directly sensing an electrical signal input from the interface.
4. The intelligent HDMI switching system of claim 3, wherein a pre-display buffer is provided between the decoder module and the processor, and the video data is preloaded in the buffer to facilitate a smoother switching process.
5. HDMI switch, use wisdom HDMI switching system according to claim 4, characterized by, including shell (1), the top of shell (1) is equipped with top cap (2), the inside of shell (1) is equipped with supporting component (3), be equipped with linkage subassembly between supporting component (3) and top cap (2), the top of supporting component (3) is equipped with PCB board (10), amplification module, filter module, decoding module, treater, infrared receiving module and signal detection module all set up on PCB board (10), the rear end of PCB board (10) is fixed and is equipped with mounting panel (11), the rear end of mounting panel (11) is equipped with interface conversion subassembly (12), the rear end of PCB board (10) is fixed and is equipped with output port (13) that are located mounting panel (11) limit side, a plurality of louvre (14) have been seted up to the bottom both sides of shell (1).
6. The HDMI switch of claim 5, wherein the interface conversion assembly (12) comprises a plurality of switch blocks (121), a default interface (122) is fixed on the rear side of the switch blocks (121), a preassembled interface (123) is fixed on the top of the switch blocks (121), transmission lines (124) are fixed on the front side and the bottom of the switch blocks (121), the two transmission lines (124) are respectively electrically connected with the preassembled interface (123) and the default interface (122), the transmission lines (124) are electrically connected with the PCB board (10), and end blocks (125) are arranged on the sides, far away from each other, of the switch blocks (121) on the two sides.
7. The HDMI switch according to claim 6, wherein one side of the end block (125) close to the switch block (121) and one side of the plurality of switch blocks (121) away from the end block (125) are both fixedly provided with a swivel (126), the other side of the end block (125) close to the switch block (121) and one side of the plurality of switch blocks (121) away from the end block (125) are both fixedly provided with square blocks (127), the inner circumference side of the swivel (126) is provided with four arc-shaped elastic sheets, the square blocks (127) are located between the four arc-shaped elastic sheets, the opposite sides of the two end blocks (125) are also fixedly provided with square blocks (127), four corners of the square blocks (127) are provided with radians, one side of the end blocks (125) away from each other is detachably provided with a mounting bar (128), and the two mounting bars (128) are detachably connected to two sides of the rear end of the mounting plate (11) respectively.
8. The HDMI switch according to claim 7, wherein the supporting component (3) comprises a supporting frame (31) hinged to the inner wall of the rear end of the housing (1), a sliding groove (32) is formed in the middle of the supporting frame (31), a sliding frame (33) is arranged in the sliding groove (32) in a sliding mode, a placing groove is formed in the top of the sliding frame (33), a first limiting gap (34) and a second limiting gap (35) located on the side of the first limiting gap (34) are formed in the rear end of the sliding frame (33), extension rods (36) are fixedly arranged on two sides of the front end of the supporting frame (31), a tension spring (4) is fixedly arranged on the rear side of the bottom of the supporting frame (31), and the end portion of the tension spring (4) is fixedly connected with the bottom end of the housing (1).
9. The HDMI switch according to claim 8, wherein the inner side of the extension rod (36) is provided with a bar-shaped groove, the linkage assembly comprises two connecting rods (6) fixedly connected to the bottom of the housing (1), the end parts of the connecting rods (6) are rotatably provided with rotating shafts, the rotating shafts are slidably connected inside the bar-shaped groove, the inner sides of the two connecting rods (6) are rotatably provided with a first spring rod (5), the other end of the first spring rod (5) is fixedly connected with the front end of the supporting frame (31), the linkage assembly further comprises a second spring rod (7), the second spring rod (7) is fixedly connected to the front side of the bottom end of the supporting frame (31), and the bottom end of the second spring rod (7) is rotatably provided with a supporting seat (8).
10. The HDMI switch according to claim 9, wherein the bottom of the housing (1) is provided with a pressing component (9), the pressing component (9) comprises four crossed first plates (91) respectively arranged on two sides of the bottom end of the housing (1), the top end of the installation connecting rod (95) is fixedly connected with the top cover (2), the bottom end of the installation connecting rod (95) is rotationally provided with a crossed first plate (91), the middle part of the crossed first plate (91) is rotationally provided with a crossed second plate (92), both ends of the crossed first plate (91) and the crossed second plate (92) are rotationally provided with rotating wheels (93), and the four rotating wheels (93) are winded with the same belt (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310463799.7A CN116456043A (en) | 2023-04-26 | 2023-04-26 | Intelligent HDMI switching system and HDMI switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310463799.7A CN116456043A (en) | 2023-04-26 | 2023-04-26 | Intelligent HDMI switching system and HDMI switcher |
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| Publication Number | Publication Date |
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| CN116456043A true CN116456043A (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310463799.7A Pending CN116456043A (en) | 2023-04-26 | 2023-04-26 | Intelligent HDMI switching system and HDMI switcher |
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| CN (1) | CN116456043A (en) |
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| US20130171882A1 (en) * | 2011-12-28 | 2013-07-04 | Hsing Chau Industrial Co., Ltd. | Hdmi audio-video signal switching device |
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| CN113676678A (en) * | 2021-08-19 | 2021-11-19 | 深圳市潜创微科技有限公司 | HDMI switcher |
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| US20130171882A1 (en) * | 2011-12-28 | 2013-07-04 | Hsing Chau Industrial Co., Ltd. | Hdmi audio-video signal switching device |
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