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Broadcasting television receiver-transmitter monitoring method based on single chip computer and monitoring system thereof

A monitoring system and single-chip technology, which are applied in TV, electrical components, image communication, etc., can solve the problems of on-site debugging, complicated maintenance work, low adaptability of monitoring system, and inability to provide online programming function, etc., and achieve friendly man-machine. Conversational platform, convenient and quick on-site debugging, and the effect of good application value

Inactive Publication Date: 2009-09-09
NANJING SAIGEW MICROWAVE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The hardware circuit is complicated, the volume is too large, and it is not easy to install;
[0004] 2. The electromagnetic environment near the radio and television signal transmission tower is complex, and the modules of this type of monitoring system are independent of each other, and the anti-interference ability is low;
[0005] 3. Changes in the electrical properties of modules such as the A / D sampling volume caused by changes in the outdoor temperature on the transmission tower, resulting in a decrease in monitoring accuracy, deviations between the obtained working status and actual conditions, and even false alarms or shutdown of equipment. The many measures taken to make up for the shortfall in this area have increased the cost;
[0006] 4. The online firing program function cannot be provided, and the adaptability of the monitoring system to changes in the sampling volume is low, resulting in complicated on-site debugging and maintenance work

Method used

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  • Broadcasting television receiver-transmitter monitoring method based on single chip computer and monitoring system thereof
  • Broadcasting television receiver-transmitter monitoring method based on single chip computer and monitoring system thereof
  • Broadcasting television receiver-transmitter monitoring method based on single chip computer and monitoring system thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0028] A method for monitoring radio and television transceivers based on a single-chip microcomputer, comprising the following steps:

[0029] a) Initialize the state of the single-chip microcomputer and its internally integrated hardware modules;

[0030] b) Initialize the man-machine dialogue module;

[0031] c) Retrieve the data saved before the last shutdown from the storage module of the single-chip microcomputer, and configure the startup parameters;

[0032] d) According to the input information of the man-machine dialogue module, the system information is fed back to the man-machine dialogue module, and the output power preset parameter value is obtained, and the preset parameter value is stored in the storage module of the single-chip microcomputer;

[0033] e) Adjust the attenuation value of the electronically adjustable attenuator according to the preset parameter value of the output power to control the output power;

[0034] f) According to the preset communica...

Embodiment 1

[0046] like figure 2 , the power supply module is connected to the single-chip microcomputer and each interface through a filter circuit; the single-chip microcomputer is connected with an expansion comparator interface, a liquid crystal display module, a keyboard, a sampling amount input interface and a light-emitting diode. The burner is connected to the microcontroller through the programming interface, the ESC attenuator is connected to the microcontroller through the analog output interface, the switch input / output interface is used as a switch control module, the RS232 interface, the communication interface of the lower computer and the SMS module are connected to the microcontroller through the serial communication interface , The upper computer is connected to the RS232 interface, and the lower computer is connected to the communication interface of the lower computer.

[0047] The single-chip microcomputer adopts the single-chip microcomputer model of C8051F023. The...

Embodiment 2

[0050] A method for monitoring radio and television transceivers based on a single-chip microcomputer, comprising the following steps:

[0051] 1. Initialize the state of the integrated hardware resources in the microcontroller;

[0052] 2. Initialize the keyboard interface;

[0053] 3. Initialize the configuration of the LCD module through the LCD socket;

[0054] 4. Call out the data saved before the last shutdown from the storage module of the single-chip microcomputer, and configure the startup parameters

[0055] 5. Scan the keyboard, perform debounce and key-connection judgment processing according to the obtained key value, obtain the final key value and modify internal data accordingly, such as display menu, output power preset parameter value, etc., and save it into the storage module of the single-chip microcomputer;

[0056] 6. Adjust the voltage in the analog output interface according to the preset parameter value of the output power to adjust the specific atten...

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PUM

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Abstract

A broadcasting television receiver-transmitter monitoring system based on a single chip computer comprises a single chip computer and is characterized by also comprising an asynchronous receiving and transmitting module, a monitoring and collecting module, a storage module, a man-machine conversation module, an electrically controlled attenuator and a switching quantity control module, wherein the asynchronous receiving and transmitting module is connected with the single chip computer, and the monitoring and collecting module is connected with the single chip computer by an A / D converter module; the man-machine conversation module is connected with the single chip computer, and the electrically controlled attenuator is connected with the single chip computer by a D / A converter module; the switching quantity control module is connected with the single chip computer by a flip-latch; and the single chip computer is internally integrated with the A / D converter module, the D / A converter module and the storage module. The invention supplies various parameter monitoring, outputs multipath analog control quantity and switching control quantity, has a good man-machine conversation platform, memories the last operation capacity during breaking off, well communicates with a host computer and a lower computer, has a warning and error-reporting function and achieves remote monitoring by sending messages.

Description

technical field [0001] The invention relates to a monitoring method and system for communication equipment, in particular to a monitoring method and monitoring system for a radio and television transceiver based on a single-chip microcomputer. Background technique [0002] In the transmission process of radio and television signals, it is particularly important to ensure the stability of radio and television signal transmission. It is obviously necessary to use the monitoring and alarm system to monitor various parameters of radio and television signal transceivers in real time and perform corresponding operations or even alarms according to the monitoring conditions. Yes, the existing radio and television transceiver equipment monitoring systems mostly use old-fashioned 51 series single-chip microcomputers and pin circuit boards, which have the following disadvantages: [0003] 1. The hardware circuit is complicated, the volume is too large, and it is not easy to install; ...

Claims

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Application Information

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IPC IPC(8): H04N17/00
Inventor 彭鹏
Owner NANJING SAIGEW MICROWAVE SCI & TECH
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