CN209375801U

CN209375801U - Large screen switching matrix box

Info

Publication number: CN209375801U
Application number: CN201920103971.7U
Authority: CN
Inventors: 李立
Original assignee: Nanjing Lemeida Electronic Technology Co Ltd
Current assignee: Nanjing Lemeida Electronic Technology Co Ltd
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2019-09-10
Anticipated expiration: 2029-01-22

Abstract

A kind of large screen switching matrix box includes shell and pcb board, the single-chip microcontroller that there is switching chip on pcb board, be connected with switching chip, DP that the large screen switching matrix box further includes several to be connected with switching chip turn HDMI chip and HDMI turns DP chip, several DP input interfaces and DP output interface are distributed on the shell, the DP turns HDMI chip and HDMI turns DP chip and is separately connected DP input interface and DP output interface.The utility model large screen switching matrix box directly can carry out Inverse problem to the equipment for using DP interface, avoid reducing equipment volume using converter, reduce equipment input cost, and have the function of encrypting fingerprint, greatly improve the safety of equipment.

Description

Large screen switching matrix box

[technical field]

The utility model relates to signal switching apparatus field, specially a kind of large screen switching matrix box.

[background technique]

Signal switching matrix is the indispensable equipment of large-screen splicing wall system, and various signal sources are cut by signal The switching that matrix carries out the input/output interface in different channels is changed, to realize the diversity of large-screen splicing display mode.Mesh Front signal switching matrix is varied, can be divided into VGA, HDMI, DVI matrix etc. according to its input/output interface. DisplayPort interface abbreviation DP interface is a kind of computer interface that can be realized ultra high-definition output, at present in apple notebook Computer, main brand computer host on this interface it is more and more, there is no on the market at present profession support DisplayPort The matrix of interface multichannel input and output.When encountering Dis playPort signal and need large-size screen monitors, pass through mostly DisplayPort turns DVI or turns the mode of HDMI interface reconnection homography to realize.It needs switching device and increases to turn Ring change section is unfavorable for the Lossless transport of signal.Another factor is that the large screen splicing of current mainstream shows the input of equipment Interface does not all have DisplayPort interface.

It can be seen that providing a kind of switching that can convert mutually VGA signal, HDMI signal, DVI signal and DP signal The problem of matrix is this field urgent need to resolve.

[utility model content]

In view of the above-mentioned problems, the utility model large screen switching matrix box directly can carry out square to the equipment for using DP interface Battle array switching, avoids reducing equipment volume using converter, reduces equipment input cost, and have the function of encrypting fingerprint, greatly The safety of equipment is improved greatly.

To solve the above problems, the utility model large screen switching matrix box includes shell and pcb board, have on pcb board Switching chip, the single-chip microcontroller being connected with switching chip, the large screen switching matrix box further include several and switching chip phase DP even turns HDMI chip and HDMI turns DP chip, several DP input interfaces and DP output interface are distributed on the shell, The DP turns HDMI chip and HDMI turns DP chip and is separately connected DP input interface and DP output interface, is entered by DP input interface DP signal HDMI chip turned by DP be converted into HDMI signal after switching chip, DP chip is turned for HDMI signal by HDMI It is converted into DP signal, is exported by DP output interface, each road signal is switched over by single-chip microcontroller.

Further, the shell includes front panel, and display screen is equipped on the front panel, is had on the pcb board The display module being connected with single-chip microcontroller, the display module are connect with the display screen on front panel.

Further, the shell includes front panel, has fingerprint identification area on the front panel, has on the pcb board The fingerprint module for having storage module and being connected with storage module, the fingerprint module are connect with the fingerprint identification area on front panel.

Further, there is the key module being connected with single-chip microcontroller, the key module is also connected with finger on the pcb board Line module could operate equipment by key module by the verifying of fingerprint module.

Further, the DP turns HDMI chip and HDMI turns to be respectively connected with the state of display on-state on DP chip and refers to Show lamp.

Further, RS232 serial port chip is connected on the single-chip microcontroller, the shell includes backboard, the back There is RS232 serial ports, the RS232 serial port chip is connected with RS232 serial ports, and RS232 serial ports is connected with PC machine on plate.

Further, at the front panel, two pieces of dismountable mounting plates, the installation are equipped with by screw Plate is right angle plate, is opened up on every piece of mounting plate there are two lateral kidney slot and two vertical kidney slots, is used for the large screen The installation of switching matrix box selects different kidney slots according to different mounting conditions.

Further, there is power switch and power supply indicator on the front panel, there is power supply mould on the pcb board Block, the power switch and power supply indicator are connected with power module.

Furthermore the utility model large screen switching matrix box directly can carry out matrix to the equipment for being used in DP interface and cut It changes, avoids reducing equipment volume using converter, reduce equipment input cost, and have the function of encrypting fingerprint, mention significantly The safety of equipment is risen.

[Detailed description of the invention]

Fig. 1 is the structural schematic diagram of the front panel of the utility model large screen switching matrix box.

Fig. 2 is the structural schematic diagram of the backboard of the utility model large screen switching matrix box.

Fig. 3 is the structural schematic diagram of the pcb board of the utility model large screen switching matrix box.

[specific embodiment]

Referring to Fig. 1 and Fig. 2, the composed structure of the utility model large screen switching matrix box is given comprising 1 He of shell Positioned at the pcb board 2 of interior of shell, the shell 1 includes shell 101, the front panel 102 and backboard 103 being mounted on shell, institute The left and right side for stating shell 101 offers ventilation hole 104, and being equipped with two pieces by screw at front panel 102 The mounting plate 111 of disassembly, the mounting plate 111 are right angle plate, open up that there are two lateral kidney slots and two on every piece of mounting plate A vertical kidney slot selects different kidney-shapeds according to different mounting conditions for the installation of the large screen switching matrix box Hole.It is opened on the front panel 102 including display screen 105, fingerprint identification area 106, key zone 107, power supply indicator 108, power supply 109, remote-control indicating lamp 110 are closed, the display screen 105 is used for the command content that display button area 107 is inputted.The backboard There are 32 DP input interfaces, 112,32 DP output interfaces 113, corresponding with DP input interface and DP output interface on 103 Status indicator lamp 114, the power interface 115 for connecting external power supply further include the RS232 string for connecting PC machine 3 on the backboard 103 116 and RJ45 of mouth network interface 117.

There is switching chip 201 referring to Fig. 3, on the pcb board 2,201 two sides of switching chip are electrically connected 32 Block DP turns HDMI chip 202 and 32 piece HDMI and turns DP chip 203, and the DP turns HDMI chip 202 and connects with the DP input on shell 1 Mouthfuls 112 are connected, and the HDMI turns DP chip and is connected with the DP output interface 113 on shell 1, the DP turn HDMI chip 202, HDMI turns to be respectively connected with status indicator lamp 114 between DP chip 203 and switching chip, also has single-chip microcontroller on the pcb board 204, the single-chip microcontroller 204 is electrically connected with switching chip 201, is also connected on the single-chip microcontroller 204 and is provided electricity for device Power module 205, storage module 206, display module 207, RS232 serial port chip 208, remote control module 209, the power supply mould Block is connected with the power interface 115 on shell, and fingerprint module 210, the fingerprint module are connected on the storage module 206 210 are connected with the fingerprint identification area 106 on shell, and the display module 207 is connected with the display screen 105 on shell, described RS232 serial port chip is connected with the RS232 serial ports 116 on shell, the remote control module 209 and the remote-control indicating lamp on shell 110 are connected, and the storage module 206 is used for storage administrator's finger print information, are also connected with key module on the single-chip microcontroller 204 211, the key module is connected with the key zone 107 on shell, and the key module 211 and fingerprint module are electrically connected, Equipment could only be operated by key module by the administrator of fingerprint authentication, therefore once add the safety of equipment Property.The utility model large screen switching matrix box can be directly used between the equipment using DP interface, avoid using converter, contracting Small equipment volume, reduces equipment input cost, and have the function of encrypting fingerprint, greatly improves the safety of equipment.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

Have 1. a kind of large screen switching matrix box, including shell (1) and pcb board (2), on pcb board switching chip (201), with Switch the connected single-chip microcontroller (204) of chip, which is characterized in that the large screen switching matrix box further includes several and switching core The connected DP of piece (201) turns HDMI chip (202) and HDMI turns DP chip (203), and it is defeated that several DP are distributed on the shell Incoming interface (112) and DP output interface (113), the DP turns HDMI chip and HDMI turns DP chip and is separately connected DP input interface (112) HDMI chip is turned by DP and is converted into HDMI signal with DP output interface (113), the DP signal entered by DP input interface After switching chip, DP chip is turned by HDMI, HDMI signal is converted into DP signal, exported by DP output interface (113), Each road signal is switched over by single-chip microcontroller (204).
2. large screen switching matrix box according to claim 1, which is characterized in that the shell (1) includes front panel (102), it is equipped on the front panel display screen (105), there is the display being connected with single-chip microcontroller (204) on the pcb board (2) Module (207), the display module are connect with the display screen (105) on front panel.
3. large screen switching matrix box according to claim 1, which is characterized in that the shell (1) includes front panel (102), there are fingerprint identification area (106) on the front panel, have on the pcb board (2) storage module (206) and with storage The connected fingerprint module (210) of module, the fingerprint module are connect with the fingerprint identification area (106) on front panel.
4. large screen switching matrix box according to claim 1, which is characterized in that have on the pcb board (2) and monolithic The connected key module (211) of machine (204), the key module (211) are also connected with fingerprint module (210), pass through fingerprint mould The verifying of block could operate equipment by key module.
5. large screen switching matrix box according to claim 1, which is characterized in that the DP turns HDMI chip and HDMI turns The status indicator lamp (114) of display on-state is respectively connected on DP chip.
6. large screen switching matrix box according to claim 1, which is characterized in that be connected on the single-chip microcontroller (204) RS232 serial port chip (208), the shell (1) include backboard (103), have RS232 serial ports (116) on the backboard, described RS232 serial port chip (208) is connected with RS232 serial ports (116), and RS232 serial ports is connected with PC machine (3).
7. large screen switching matrix box according to claim 1, which is characterized in that at close the front panel (102), Two pieces of dismountable mounting plates (111) are installed by screw, the mounting plate (111) is right angle plate, on every piece of mounting plate Lateral kidney slot and two vertical kidney slots there are two opening up, for the installation of the large screen switching matrix box, according to difference Mounting condition, select different kidney slots.
8. large screen switching matrix box according to claim 1, which is characterized in that have electricity on the front panel (102) Source switch (109) and power supply indicator (108) have power module (205), the power switch and electricity on the pcb board (2) Source indicator light is connected with power module.