CN210609874U

CN210609874U - PCBA main control board for portable satellite communication equipment

Info

Publication number: CN210609874U
Application number: CN201921569512.4U
Authority: CN
Inventors: 黄小东
Original assignee: Sichuan Andi Technology Industrial Co Ltd
Current assignee: Sichuan Andi Technology Industrial Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-22
Anticipated expiration: 2029-09-20

Abstract

A PCBA master control board for a portable satellite communication device, comprising: a PCB board; CPU located on PCB board; the GPS module, the WIFI module, the SWITCH module, the logic module and the clock module are arranged on the PCB and connected with the CPU; the CPU is used for realizing control and monitoring of the satellite communication equipment; the GPS module is used for acquiring the current GPS signal of the satellite communication equipment; the WIFI module is used for realizing WIFI transceiving; the SWITCH module is connected with a plurality of RJ45 connectors arranged on the PCB and used for realizing Ethernet data forwarding; the logic module takes a CPLD as a core and is used for assisting CPU management, and the clock module is used for outputting a high-precision clock and providing a reference clock for the main control board and external equipment connected with the main control board. The functions and devices of Ethernet service forwarding, WIFI data transceiving, GPS positioning, equipment state monitoring management, output reference clock and the like are integrated into one PCBA, so that the defects of multiple portable equipment modules, large volume and low integration level are effectively reduced, and the product cost is reduced.

Description

PCBA main control board for portable satellite communication equipment

Technical Field

The utility model relates to a satellite communication especially is relevant with a PCBA main control plate structure for portable satellite communication equipment.

Background

In the existing portable satellite communication equipment, functions such as WIFI transceiving, Ethernet data routing, reference clock, equipment monitoring and the like are completed by a single circuit board, and the layout and structure mode not only causes the whole volume of the equipment to be increased, but also causes the equipment to be complex to assemble and the cost to be increased. The PCBA main control board is used as an important component of the satellite communication equipment, and the increase of the volume of the PCBA main control board causes the increase of the overall volume of the satellite communication equipment. The existing structure and the existing mode can not be applied to portable satellite equipment, and particularly satellite communication equipment which needs to be suitable for being carried by an individual soldier is needed. With the trend of integration of satellite communication equipment, the structure form of the current main control board needs to be improved and optimized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly to above-mentioned relevant prior art not enough and defect, provide a PCBA main control board for portable satellite communication equipment, with function and device such as ethernet business retransmission, WIFI data receiving and dispatching, GPS location, equipment state control management, output reference clock set to a PCBA board, effectively reduced portable equipment module many, bulky, the low shortcoming of integrated level, reduce product cost.

In order to achieve the above purpose, the utility model adopts the following technology:

a PCBA master control board for a portable satellite communication device, comprising:

a PCB board;

CPU located on PCB board; and

the GPS module, the WIFI module, the SWITCH module, the logic module and the clock module are arranged on the PCB and connected with the CPU; wherein:

the CPU is used for controlling and monitoring the satellite communication equipment;

the GPS module is used for acquiring the current GPS signal of the satellite communication equipment;

the WIFI module is used for realizing WIFI transceiving;

the SWITCH module is connected with a plurality of RJ45 connectors arranged on the PCB and used for realizing Ethernet data forwarding;

the logic module takes a CPLD as a core and is used for assisting the management of the CPU;

and the clock module is used for outputting a high-precision clock and providing a reference clock for the main control board and external equipment connected with the main control board.

Furthermore, the PCB also comprises a TF card holder arranged on the PCB and used for assembling the TF card, and the TF card holder is connected with the CPU.

Further, the PCB comprises a FLASH chip arranged on the PCB and used for storing information, and the FLASH chip is connected with the CPU.

Further, the PCB comprises a memory module arranged on the PCB, and the memory module is connected with the CPU. Specifically, the memory module includes 2 DDR4 memories.

Further, the signal connector is arranged on the PCB and used for connecting the modulation and demodulation card.

Further, the GPS module passes through a UART interface CPU; the WIFI module is connected with the CPU through a UART interface and a 1000BASE-T interface; the SWITCH module is connected with a CPU through an MIDO interface and an SERDES interface, and is connected with 4 RJ45 connectors through a 1000BASE-T interface; the logic module is connected with the CPU through an SPI interface, the TF card holder is connected with the CPU through an SDIO interface, and the FLASH chip is connected with the CPU through an IFC interface.

The utility model has the advantages that:

compared with the traditional multi-board-card multi-module structure design, the multi-module and multi-chip integrated circuit board has the advantages that multiple modules and multiple chips are integrated on one circuit board, and the layout of the circuit board is reasonably designed, so that the board card can be suitable for portable small-size satellite communication equipment; specifically, functions and devices such as Ethernet service forwarding, WIFI data transceiving, GPS positioning, equipment state monitoring management, output reference clock and the like are integrated into one PCBA, so that the defects of multiple modules, large size and low integration level of the portable satellite communication equipment are effectively overcome, the product cost is effectively reduced, and the product integration degree is greatly improved.

Drawings

Fig. 1 is a schematic diagram of a PCBA master control board layout according to an embodiment of the present application.

Fig. 2 is a block diagram of an electrical structure of a PCBA main control board in an embodiment of the present application.

Detailed Description

The present invention will be explained in detail with reference to the embodiments shown in the drawings.

Fig. 1 is a schematic diagram illustrating a layout of a PCBA master control board according to an embodiment of the present application.

A PCBA master control board for a portable satellite communication device, comprising: a PCB board; CPU located on PCB board; and the GPS module, the WIFI module, the SWITCH module, the logic module, the clock module, the TF card seat, the FLASH chip, the memory module and the servo module are arranged on the PCB and connected with the CPU.

The PCB is a printed circuit board on which electrical wiring is laid.

Specifically, as shown in fig. 1, the CPU is disposed at a position on the left side of the middle of the PCB, and the signal connector is located on the left side of the CPU; the clock module is distributed on the lower side of the CPU, the memory module and the FLASH chip are distributed on the upper side of the CPU, the logic module is distributed on the right side of the CPU, the servo module is distributed on the lower side of the logic module, the SWITCH module is distributed on the right side of the logic module, the GPS module is distributed on the upper side of the SWITCH, the WIFI module is distributed on the lower side of the SWITCH module, the RJ45 interface is distributed on the right side of the SWITCH, and the TF card holder is distributed on the right side of the WIFI module.

Fig. 2 is a block diagram illustrating an electrical structure of a main control board of the PCBA according to an embodiment of the present application.

The CPU is connected with a GPS module, a WIFI module, a SWITCH module, a logic module, a clock module, a TF card holder, a FLASH chip and a memory module.

As specific examples:

and the CPU is used for realizing control and monitoring of the satellite communication equipment.

The GPS module is used for acquiring the current GPS signal of the satellite communication equipment through a UART interface CPU.

The WIFI module is connected with the CPU through a UART interface and a 1000BASE-T interface and used for realizing WIFI transceiving.

The SWITCH module is connected with the CPU through an MIDO interface and an SERDES interface, and is connected with 4 RJ45 connectors through a 1000BASE-T interface, so as to realize Ethernet data forwarding.

The logic module is connected with the CPU through the SPI interface, and specifically, the logic module takes a CPLD as a core and is used for assisting the management of the CPU.

And the clock module is connected with the CPU and used for outputting a high-precision clock and providing a reference clock for the main control board and external equipment connected with the main control board. In this example, the 100MHz reference clock is output to the CPU, the 10HMz reference clock is output to other external devices, and the 10HMz reference clock is output to the connected MODEM.

Specifically, the MODEM is connected to the CPU through SPI and 1000BASE-T, CTRL.

The TF card holder is connected with the CPU through the SDIO interface and used for assembling the TF card.

And the FLASH chip is used for storing information and is connected with the CPU through the IFC interface.

The memory module, in this example 2 DDR4 memories, is connected to the CPU.

And the signal connector is used for connecting the modulation and demodulation card.

Preferably, the satellite communication equipment further comprises a servo module, and the CPU controls a servo motor of the satellite communication equipment through the servo module. The servo module comprises an RS485 communication interface and a connector which are connected with the servo motor.

In the embodiment, functions and devices such as Ethernet service forwarding, WIFI data transceiving, GPS positioning, equipment state monitoring management, reference clock output and the like are integrated into one PCBA, so that the defects of multiple modules, large volume and low integration level of the portable satellite communication equipment are effectively overcome, the product cost is effectively reduced, and the product integration degree is greatly improved.

Claims

1. A PCBA master control board for a portable satellite communication device, comprising:

a PCB board;

CPU located on PCB board; and

the WIFI module is used for realizing WIFI transceiving;

2. A PCBA master control board for a portable satellite communications device as claimed in claim 1, wherein: the TF card holder is arranged on the PCB and used for assembling the TF card, and the TF card holder is connected with the CPU.

3. A PCBA master control board for a portable satellite communications device as claimed in claim 1, wherein: the system also comprises a FLASH chip arranged on the PCB and used for storing information, and the FLASH chip is connected with the CPU.

4. A PCBA master control board for a portable satellite communications device as claimed in claim 1, wherein: the PCB is characterized by further comprising a memory module arranged on the PCB, and the memory module is connected with the CPU.

5. A PCBA master control board for a portable satellite communications device as claimed in claim 1, wherein: the signal connector is arranged on the PCB and used for connecting the modulation and demodulation card.

6. A PCBA master control board for a portable satellite communications device as claimed in claim 1, wherein:

the GPS module passes through a UART interface CPU;

the WIFI module is connected with the CPU through a UART interface and a 1000BASE-T interface;

the SWITCH module is connected with a CPU through an MIDO interface and an SERDES interface, and is connected with 4 RJ45 connectors through a 1000BASE-T interface;

the logic module is connected with the CPU through the SPI interface.

7. A PCBA master control board for a portable satellite communications device as claimed in claim 2, wherein: the TF card holder is connected with the CPU through an SDIO interface.

8. A PCBA master control board for a portable satellite communications device as claimed in claim 3, wherein: the FLASH chip is connected with the CPU through an IFC interface.

9. A PCBA master control board for a portable satellite communications device as claimed in claim 1, wherein: the servo module is arranged on the PCB and connected with the CPU, and the CPU controls a servo motor of the satellite communication equipment through the servo module.