CN215420298U

CN215420298U - Integrated automatic satellite alignment equipment master control PCBA board

Info

Publication number: CN215420298U
Application number: CN202122191677.6U
Authority: CN
Inventors: 杨昌燚
Original assignee: Sichuan Andi Technology Industrial Co Ltd
Current assignee: Sichuan Andi Technology Industrial Co Ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-04
Anticipated expiration: 2031-09-10

Abstract

An automatically star-aligned equipment master control PCBA board capable of being integrated comprises: MCU and feed chip, PHY chip, WIFI module, the MUX be connected with MCU, MUX connects Buffer, and OCXO is connected to Buffer, and WIFI module is connected to the PHY chip. The feed chip converts the voltage transmitted by the power panel to generate a preset feed voltage to be provided for the beacon demodulation panel, and the feed voltage is controlled under the control of the MCU; the PHY chip and the WIFI module realize that the MCU is communicated with an external Ethernet interface; the OCXO provides a clock signal, the clock Buffer is used for improving the load capacity of the OCXO, and the MUX turns on and off the clock signal and provides the clock signal to the beacon demodulation board; MCU is connected to power strip, beacon demodulation board for read the ADC chip satellite beacon information of beacon demodulation board, and control the beacon down conversion chip of beacon demodulation board, and be used for carrying out ethernet communication with the outside through PHY chip and WIFI module, control clock MUX, PHY chip, WIFI module.

Description

Integrated automatic satellite alignment equipment master control PCBA board

Technical Field

The utility model belongs to the technical field of satellite communication, and particularly relates to an integrated automatic satellite alignment equipment master control PCBA board.

Background

The satellite communication portable station adopts an automatic satellite alignment system, a power amplifier, an LNB system and the like so as to integrate various modems of various manufacturers. In order to realize the adaptability, a main control board is required to be introduced to realize the functions of effectively controlling the beacon demodulation board, communicating with an upper computer through Ethernet and the like. The existing main control board has the problems of poor integration level, incomplete functions and the like, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the related prior art, the utility model provides an integrated master control PCBA (printed circuit board assembly) of automatic satellite alignment equipment, which is used for regulating and controlling a beacon demodulation board, providing an Ethernet interface through a PHY (physical layer) chip and a WIFI (wireless fidelity) module to communicate with the outside, realizing power supply control on the beacon demodulation board through a feed chip, and realizing a clock feed function through a crystal oscillator OCXO (optical clock oscillator), a clock Buffer, a clock MUX (multiplexer) and an operational amplifier.

In order to realize the purpose of the utility model, the following scheme is adopted:

an automatically star-aligned equipment master control PCBA board capable of being integrated comprises: locate the MCU of circuit board and feed chip, PHY chip, WIFI module, the clock MUX be connected with MCU, clock MUX is connected with clock Buffer, and clock Buffer is connected with crystal oscillator OCXO, and WIFI module is connected to the PHY chip.

The feed chip is connected to the power panel, and is used for converting the voltage transmitted by the power panel to generate a preset feed voltage to be provided for the beacon demodulation board and controlling the feed voltage under the control of the MCU; the PHY chip and the WIFI module are used for realizing the communication between the MCU and an external Ethernet interface; the clock MUX is used for turning on and off the clock signal under the control of the MCU and providing the clock signal to the beacon demodulation board; MCU is connected to power strip, beacon demodulation board for read the ADC chip satellite beacon information of beacon demodulation board, and control the beacon down conversion chip of beacon demodulation board, and be used for carrying out ethernet communication with the outside through PHY chip and WIFI module, control clock MUX, PHY chip, WIFI module.

Furthermore, the clock MUX chip is connected with an operational amplifier chip, and the operational amplifier chip is connected to the beacon demodulation board and is used for amplifying the clock signal sent by the clock MUX so as to provide the amplified clock signal to the beacon demodulation board.

Furthermore, the MCU is connected with an EEPROM which is used as the running memory of the MCU.

The utility model has the beneficial effects that: the power supply control device is used for regulating and controlling the beacon demodulation board, an Ethernet interface is provided through the PHY chip and the WIFI module so as to communicate with the outside, power supply control of the beacon demodulation board is achieved through the feed chip, and the clock feed function is achieved through the crystal oscillator OCXO, the clock Buffer, the clock MUX and the operational amplifier.

Drawings

Fig. 1 is a block diagram of the structure of an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

The embodiment of the application provides an automatic star equipment master control PCBA board of can integrating, as shown in FIG. 1, includes: locate the MCU of circuit board and feed chip, PHY chip, WIFI module, clock MUX, the EEPROM that is connected with MCU. The EEPROM is used as the running memory of the MCU. The clock MUX is connected with a clock Buffer, the clock Buffer is connected with a crystal oscillator OCXO, and the PHY chip is connected with the WIFI module. The clock MUX chip is connected with an operational amplifier chip, and the operational amplifier chip is connected to the beacon demodulation board. The WIFI module is connected with an ETH RJ45 interface to introduce an external Ethernet communication signal, and meanwhile, the WIFI module provides a WIFI fault debugging serial port.

The feed chip adopts the LNBH24 feed chip, is connected to the power supply board, and is used for converting the voltage (such as 12V/24V) transmitted by the power supply board to generate a preset feed voltage (such as 18V/24V) to be provided for the beacon demodulation board, and is used for controlling the feed voltage under the control of the MCU.

The PHY chip and the WIFI module are used for realizing the communication between the MCU and an external Ethernet interface; the clock MUX is used for selecting the clock signal under the control of the MCU, and the operational amplifier chip is used for amplifying the clock signal sent by the clock MUX so as to provide the clock signal for the beacon demodulation board.

MCU is connected to the power strip and has the power strip to provide electric power, and be connected to beacon demodulation board for read beacon demodulation board's ADC chip satellite beacon information, and control beacon demodulation board's beacon down conversion chip, and be used for carrying out ethernet communication through PHY chip and WIFI module with the outside, control clock MUX, PHY chip, WIFI module.

Specifically, in this example, the MCU is provided with a JTAG communication channel and a debug serial port to the external device.

Specifically, in this example, the MCU communicates with the PHY chip through the RMII communication channel, and controls the PHY chip through the MDIO communication channel.

Specifically, in this example, the MCU controls the WIFI module through the UART communication channel.

Specifically, in this example, the MCU controls the EEPROM through an I2C communication channel.

Specifically, in this example, the MCU is configured to connect to a user interface board to receive an instruction from the user interface board.

Further, MCU, PHY chip, WIFI module, ETH RJ45 connector in this example have realized this PCBA's network communication function jointly. MCU carries out data interactive communication through RMII interface and PHY chip, PHY chip has realized the conversion of RMII interface to the MDI interface, what PHY chip output is connected the communication through an MDI interface and WIFI module, the WIFI module has realized network communication interface extended function, expand into a plurality of network interfaces by 1 network interface promptly, and wireless WIFI function, the WIFI module has realized with ETH RJ45 network interface that the peripheral hardware passes through the network connection function of net twine and this PCBA veneer.

Further, the WIFI fault debugging serial port in this example: under this PCBA network communication function abnormal conditions, can be through this debugging serial ports through carrying out relevant location operation to the trouble (serial ports connecting wire one end is connected the PC, and this debugging serial ports is connected to one end).

Further, the OXCO, the Buffer chip, the MUX chip and the operational amplifier chip in this example together complete the function of providing a 10MHz clock feed for the beacon demodulation board; the OXCO is a constant temperature crystal oscillator, outputs 1 path of 10MHz clock, drives the clock through a buffer chip to enhance the driving capability, and then can realize the opening and closing functions of the 10MHz clock chip through a MUX chip, and the operational amplifier chip can realize the amplification function of the 10MHz clock so as to meet the requirement of a 'beacon demodulation board' on the amplitude of the 10MHz clock.

The foregoing is merely a preferred embodiment of this invention and is not intended to be exhaustive or to limit the utility model to the precise form disclosed. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model.

Claims

1. An automatic star equipment master control PCBA board that aims at of integrable form, its characterized in that includes:

the device comprises an MCU arranged on a circuit board, and a feed chip, a PHY chip, a WIFI module and a clock MUX which are connected with the MCU, wherein the clock MUX is connected with a clock Buffer which is connected with a crystal oscillator OCXO, and the PHY chip is connected with the WIFI module;

the feed chip is connected to the power panel, and is used for converting the voltage transmitted by the power panel to generate a preset feed voltage to be provided for the beacon demodulation board and controlling the feed voltage under the control of the MCU;

the PHY chip and the WIFI module are used for realizing the communication between the MCU and an external Ethernet interface;

the crystal oscillator OCXO is used for providing a clock signal, the clock Buffer is used for improving the load carrying capacity of the crystal oscillator OCXO, and the clock MUX is used for turning on and off the clock signal;

MCU is connected to power strip, beacon demodulation board for read the ADC chip satellite beacon information of beacon demodulation board, and control the beacon down conversion chip of beacon demodulation board, and be used for carrying out ethernet communication with the outside through PHY chip and WIFI module, control clock MUX, PHY chip, WIFI module.

2. The integrated PCBA board of automatic pair satellite device of claim 1, wherein the clock MUX chip is connected to an operational amplifier chip, and the operational amplifier chip is configured to amplify the clock signal sent by the clock MUX for providing to the beacon demodulation board.

3. The integrable automatic star-to-equipment master control PCBA board of claim 1, wherein the MCU is connected with an EEPROM, and the EEPROM is used as an operating memory of the MCU.

4. An integrable automatic star-to-device master PCBA board as claimed in claim 1, wherein the MCU is provided with JTAG communication channel and debug serial port to external devices.

5. The integrable automatic-pair-star device master PCBA board of claim 1, wherein the MCU communicates with the PHY chip via an RMII communication channel and controls the PHY chip via an MDIO communication channel.

6. The integrable automatic star-for-device master control PCBA board of claim 1, wherein the MCU controls the WIFI module through a UART communication channel.

7. The integrable automatic-to-satellite device master PCBA board of claim 1, wherein the MCU controls the EEPROM through an I2C communication channel.

8. An integrated PCBA board for an autostar device as claimed in claim 1, wherein the MCU is adapted to interface with a user interface board for receiving commands from the user interface board.