CN216772311U

CN216772311U - Double-screen communication box system

Info

Publication number: CN216772311U
Application number: CN202220418165.0U
Authority: CN
Inventors: 郭旭; 朱双虎
Original assignee: Hebei Langxie Communication Equipment Co ltd
Current assignee: Hebei Langxie Communication Equipment Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-17
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to a double-screen communication box system, which belongs to the technical field of connectors and comprises a main bottom plate, a left interface board, a right interface board and a PC end, wherein the main bottom plate comprises a PC end interface, a USB control module and a video module, the PC end comprises two PC machines, namely a PC1 and a PC2, and the PC1 and the PC2 are in communication connection with the main bottom plate and are used as two main machines; the main bottom plate is connected with the main bottom plate by virtue of the PC end interface; the USB control module is used for processing information received by the USB interface and transmitting the information to the pc end and comprises a USB switching module and a USB expansion module; the video module is used for converting the signal of the pc end into an EDP signal and outputting the EDP signal from a display, and comprises a two-cut one-selection module and an HDMI/EDP conversion module, the interface of the scheme is highly integrated, different requirements are met, and the convenience of equipment is improved due to the double-screen design.

Description

Double-screen communication box system

Technical Field

The utility model belongs to the technical field of connectors, and relates to a communication box system, in particular to a double-screen communication box system.

Background

The emergency communication is a communication mode which can temporarily and flexibly provide emergency service when war preparation, emergency rescue and relief, terrorist events and communication network faults are guaranteed, electric power emergency communication is a central nerve of a power grid emergency system and provides communication guarantee for power grid emergency disposal, aiming at the defect that the electric power communication network lacks a mobile emergency communication means, emergency communication is mainly provided by means of an electric power fixed communication private network and a shared network, and the equipment can greatly guarantee people at dangerous moments.

The service environment of emergency box is complicated, and external device is many moreover, needs the high integration of interface, satisfies different equipment butt joint demands, and simultaneously when command control, it is also very high to the requirement of display, often single display can't satisfy the user demand.

Disclosure of Invention

The utility model aims to solve the problems, and designs a double-screen communication box system, the interface of the scheme is highly integrated, different requirements are met, and the convenience of equipment is improved due to the double-screen design.

The specific technical scheme of the utility model is as follows:

a double-screen communication box system comprises a main bottom plate, a left interface board, a right interface board and a PC end, and is characterized in that the main bottom plate comprises a PC end interface, a USB control module and a video module,

the pc end comprises two pc machines, namely a pc1 and a pc2, and the pc1 and the pc2 are in communication connection with the main bottom plate to serve as two main machines;

the main bottom plate is connected with the main bottom plate by virtue of the PC end interface;

the USB control module is used for processing information received by the USB interface and transmitting the information to the pc end and comprises a USB switching module and a USB expansion module;

the video module is used for converting the signal of the pc end into an EDP signal and outputting the EDP signal from a display, and comprises a two-cut-one selection module and an HDMI/EDP conversion module.

As a further optimization of the scheme, the left interface board comprises a network connection module, a microphone processing module, an HDMI interface, an SIM card processing interface and a USB processing module,

the network connection module is used for externally connecting a network cable;

the microphone processing module is used for being externally connected with a microphone and stably inputting a microphone signal to the pc end by virtue of an interface;

the HDMI is used for being externally connected with an expansion screen;

the SIM card processing interface is used for identifying and processing an input signal of the SIM card, and the USB processing module is used for providing a USB interface.

As a further optimization of the present solution, the pc-end interface includes an interface CON1 and an interface CON2, the interface CON1 and the interface CON2 are respectively connected to the pc1 and the pc2, the pc1 and the pc2 are connected to a binary-to-one selection module by the interface CON1 and the interface CON2, and the pc1 and the pc2 are connected to a USB switching module and a USB expansion module by the interface CON1 and the interface CON 2.

As a further optimization of the scheme, the USB switching module includes a chip U2, the USB expansion module includes a chip U3, the chip U2 is connected to the interface CON1 and the interface CON2, respectively, and the USB expansion module is further provided with a keyboard external connection end for externally connecting a keyboard; the chip U3 is connected with the pc1 by an interface CON1 to be used as a USB signal output, and the USB expansion module outputs a plurality of USB interfaces.

As a further optimization of the scheme, the two-switch one-select module includes a chip CN2, the chip CN2 is connected to the pc1 and the pc2 by the interface CON1 and the interface CON2, respectively, and an output end of the chip CN2 is connected to the HDMI/EDP conversion module;

the HDMI/EDP conversion module comprises a chip CN1, the input end of the CN1 is connected with the output end of the chip CN2, and the output end of the chip CN1 is externally connected with a double-screen display.

As a further optimization of the present solution, the main backplane connects the left interface board and the right interface board by means of bright sun lines J1 and J2, respectively.

As a further optimization of the scheme, the right side interface board comprises a singlechip control module, a key function selection module and a lamp panel prompt module,

the singlechip control module is used for adding and designing functional keys,

the key function selection module is used for executing switch control on the keys,

and the lamp panel prompt module is used for realizing function prompt.

As further optimization of the scheme, the model of the single chip microcomputer in the single chip microcomputer control module is STM32L105C8T6, and the single chip microcomputer control module further comprises a supporting circuit of the single chip microcomputer, a voltage stabilizing circuit, an indicator light circuit and a clock circuit.

As a further optimization of the scheme, the lamp panel prompt module comprises light emitting tubes D3-D8, and the light emitting tubes D3-D8 are connected with the main bottom plate through a bright sun line J1.

As the further optimization of the scheme, the main bottom plate is further provided with a switch connecting module, and the switch connecting module is connected with a routing, an ad hoc network, a cellular network and a pc end.

The utility model has the beneficial effects that:

the product is a portable functional self-selection integrated box designed and developed under special departments and special application scenes. The product integrates the X86 structure information processing technology and the functional module into a portable suitcase, and has strong applicability. Can be carried by individual soldiers or transported to an applicable place by vehicles, and can work after being unfolded. The product is suitable for special scenes of users, and the multi-screen cooperative display control design of the product provides two-block monitoring for the users, thereby realizing the synchronous display function of the PC video source.

This product can adapt to USB interface adaptation keyboard, camera, audio input, multiple function demands such as charge. Meanwhile, multi-screen output can be achieved, the function of the set key is selected according to the actual user requirement, and the function output is achieved by writing programs into the single chip microcomputer.

Drawings

FIG. 1 is a general block diagram of the architecture of the present invention;

FIG. 2 is a schematic diagram of the PC1 interface of the PC-side interface;

FIG. 3 is a schematic diagram of the PC2 interface of the PC-side interface;

FIG. 4 is a schematic circuit diagram of a USB switch module;

FIG. 5 is a schematic circuit diagram of a USB expansion module;

FIG. 6 is a circuit schematic of a USB power supply circuit;

FIG. 7 is a schematic circuit diagram of the USB external interface;

FIG. 8 is a schematic circuit diagram illustrating the sun lines J1 and J2;

FIG. 9 is a circuit schematic of a cut-to-two and a select module;

FIG. 10 is a schematic circuit diagram of an HDMI/EDP conversion module;

FIG. 11 is a schematic circuit diagram of the external EDP interface;

FIG. 12 is a circuit schematic of the microphone control module;

FIG. 13 illustrates an external microphone interface;

fig. 14 is a microphone interface mount;

FIG. 15 is a circuit schematic of a speaker control module;

fig. 16 shows the interface of the speaker control module with the pc terminal;

fig. 17 is a circuit schematic diagram of an HDMI interface;

FIG. 18 is a circuit schematic of a dedicated interface for a microphone in a microphone processing module;

fig. 19 is a schematic circuit diagram of a microphone power amplifier circuit in the microphone processing module;

FIG. 20 is a circuit schematic of a docking master backplane of the SIM card processing interface;

FIG. 21 is a circuit schematic of the signal processing circuitry of the SIM card processing interface;

FIG. 22 is a circuit schematic of a card slot of a SIM card processing interface;

FIG. 23 is a circuit schematic of a network connection module;

FIG. 24 is a schematic circuit diagram of an external interface of the USB processing module;

FIG. 25 is a circuit schematic of a processing circuit of the USB processing module;

FIG. 26 is a schematic circuit diagram of the single chip microcomputer and its accessory circuits;

fig. 27 is a schematic circuit diagram of a light panel prompt module;

fig. 28 is a circuit schematic of the switch connection module.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to specific examples and drawings, but the scope and implementation of the present invention are not limited thereto.

A double-screen communication box system comprises a main bottom plate, a left interface board, a right interface board and a PC end, and is characterized in that the main bottom plate comprises a PC end interface, a USB control module and a video module, the PC end comprises two PC machines, namely a PC1 and a PC2, and the PC1 and the PC2 are in communication connection with the main bottom plate and are used as two hosts; the main bottom plate is connected with the PC end interface and is connected with the main bottom plate; the USB control module is used for processing information received by the USB interface and transmitting the information to the pc end and comprises a USB switching module and a USB expansion module; the video module is used for converting the signal of the pc end into an EDP signal and outputting the EDP signal from a display, and comprises a two-cut-one selection module and an HDMI/EDP conversion module. The left interface board comprises a network connection module, a microphone processing module, an HDMI (high-definition multimedia interface), an SIM (subscriber identity module) card processing interface and a USB (universal serial bus) processing module, wherein the network connection module is used for externally connecting a network cable; the microphone processing module is used for being externally connected with a microphone and stably inputting a microphone signal to the pc end by virtue of an interface; the HDMI is used for being externally connected with an expansion screen; the SIM card processing interface is used for identifying and processing an input signal of the SIM card, and the USB processing module is used for providing a USB interface. The pc-end interface comprises an interface CON1 and an interface CON2, the interface CON1 and the interface CON2 are respectively connected with the pc1 and the pc2, the pc1 and the pc2 are connected with a binary-to-one selection module by virtue of the interface CON1 and the interface CON2, and the pc1 and the pc2 are connected with a USB switching module and a USB expansion module by virtue of the interface CON1 and the interface CON 2. The USB switching module comprises a chip U2, the USB expansion module comprises a chip U3, the chip U2 is respectively connected with the interface CON1 and the interface CON2, and the USB expansion module is further provided with a keyboard external connection end which can be used for externally connecting a keyboard; the chip U3 is connected with the pc1 by an interface CON1 to be used as a USB signal output, and the USB expansion module outputs a plurality of USB interfaces. The two-switch one-select module comprises a chip CN2, the chip CN2 is respectively connected with the pc1 and the pc2 by the interface CON1 and the interface CON2, and the output end of the chip CN2 is connected with the HDMI/EDP conversion module; the HDMI/EDP conversion module comprises a chip CN1, the input end of the CN1 is connected with the output end of the chip CN2, and the output end of the chip CN1 is externally connected with a double-screen display. The main bottom board is respectively connected with the left interface board and the right interface board by virtue of bright sunlines J1 and J2. The bright day line is the combination of a plurality of wires, in order to prevent the connection between the PCB boards. The LED display screen is characterized in that dozens or even hundreds of wires are integrated in the future, the right-side interface board comprises a single chip microcomputer control module, a key function selection module and a lamp panel prompt module, the single chip microcomputer control module is used for adding and designing functional keys, the key function selection module is used for executing on-off control on the keys, and the lamp panel prompt module is used for realizing function prompt. The model of a single chip microcomputer in the single chip microcomputer control module is STM32L105C8T6, and the single chip microcomputer control module further comprises a supporting circuit of the single chip microcomputer, a voltage stabilizing circuit, an indicator light circuit and a clock circuit. The lamp panel prompt module comprises light emitting tubes D3-D8, and the light emitting tubes D3-D8 are connected with the main bottom plate through a bright sun line J1. The main bottom plate still sets up by switch connection module, switch connection module connects route, ad hoc network, cellular network and pc end.

The main bottom plate also comprises a UPS power supply module, wherein the UPS power supply module is externally connected with a rechargeable battery, can realize voltage stabilization conversion and output voltage stabilization voltage sources of 5V, 3.3V, 24V and 12V. The UPS management module further comprises a 5V voltage stabilizing circuit and a 24V voltage control circuit, wherein the 5V voltage stabilizing circuit converts a 12V voltage source into a 5V voltage source by means of a voltage stabilizer U1; the 24V voltage control circuit is characterized in that a 12V voltage source is externally connected with a display through an interface P10-P13, a voltage amplifier is arranged in the display, the 12V voltage is converted into 24V voltage, and the 24V voltage is input into a system through an interface P18 to provide a 24V voltage source for the system.

Claims

1. A double-screen communication box system comprises a main bottom plate, a left interface board, a right interface board and a PC end, and is characterized in that the main bottom plate comprises a PC end interface, a USB control module and a video module,

the pc end comprises two pc machines, namely a pc1 and a pc2, and the pc1 and the pc2 are in communication connection with the main bottom plate and are used as two main machines;

the main bottom plate is connected with the PC end interface and is connected with the main bottom plate;

2. The dual screen communication box system of claim 1, wherein the left interface board comprises a network connection module, a microphone processing module, an HDMI interface, a SIM card processing interface, and a USB processing module,

the HDMI is used for being externally connected with an expansion screen;

the SIM card processing interface is used for identifying and processing an input signal of the SIM card,

and the USB processing module is used for providing a USB interface.

3. The dual-screen communication box system of claim 1, wherein the pc-end interface comprises an interface CON1 and an interface CON2, the interface CON1 and the interface CON2 are respectively connected to the pc1 and the pc2, the pc1 and the pc2 are connected to a binary-to-one selection module through the interface CON1 and the interface CON2, and the pc1 and the pc2 are connected to a USB switching module and a USB expansion module through the interface CON1 and the interface CON 2.

4. The dual-screen communication box system of claim 3, wherein the USB switching module comprises a chip U2, the USB expansion module comprises a chip U3, the chip U2 is connected to the interface CON1 and the interface CON2, respectively, and the USB expansion module further has a keyboard external connection terminal for externally connecting a keyboard; the chip U3 is connected with the pc1 by an interface CON1 to be used as a USB signal output, and the USB expansion module outputs a plurality of USB interfaces.

5. The dual-screen communication box system of claim 4, wherein the two-switch one-selection module comprises a chip CN2, the chip CN2 is connected to the pc1 and the pc2 by the interface CON1 and the interface CON2, respectively, and an output end of the chip CN2 is connected to the HDMI/EDP conversion module;

6. The dual screen communication box system of claim 1, wherein the main backplane connects the left and right interface boards by open-air lines J1 and J2, respectively.

7. The dual-screen communication box system of claim 1, wherein the right interface board comprises a single chip microcomputer control module, a key function selection module and a lamp panel prompt module,

the singlechip control module is used for adding and designing functional keys,

and the lamp panel prompt module is used for realizing function prompt.

8. The dual-screen communication box system according to claim 7, wherein the type of the single chip microcomputer in the single chip microcomputer control module is STM32L105C8T6, and the single chip microcomputer control module further comprises a supporting circuit of the single chip microcomputer, a voltage stabilizing circuit, an indicator light circuit and a clock circuit.

9. The dual-screen communication box system as claimed in claim 7, wherein the light panel prompt module comprises light emitting tubes D3-D8, and the light emitting tubes D3-D8 are connected to the main base plate by a bright sun line J1.

10. The dual-screen communication box system according to claim 1, wherein the main board is further provided with a switch connection module, and the switch connection module is connected with a router, an ad hoc network, a cellular network and a pc terminal.