An overview of the mobile Base station fixed oil machine (generator) monitoring system Is dedicated to the power equipment and operation of mobile base stations for remote monitoring, real-time monitoring of generators（Oil machine）The amount of oil, fuel, electric, etc.Accurate to base station power equipment operation through the DTU sent to the monitoring platform or on the phone.Thus effectively ensure the safe and stable operation of mobile base station.
mobile Base station fixed oil machine (generator) monitoring system Is dedicated to the power equipment and operation of mobile base stations for remote monitoring, real-time monitoring of generators（Oil machine）The amount of oil, fuel, electric, etc.Accurate to base station power equipment operation through the DTU sent to the monitoring platform or on the phone.Thus effectively ensure the safe and stable operation of mobile base station.
With the rapid development of mobile communication enterprise in our country, the development and the scale of the mobile communication network. Set up numerous sizes and distribution of a wide range of base station. Need the amplitude of the generator equipment operation and maintenance and maintenance.Faced with this situation. Take turns to patrol traditional way for decentralized maintenance and artificial monitoring management. Not only waste of manpower and material resources. And poor reliability, real-time performance is not high, this way already can not adapt to the rapid development of communication business needs.In order to ensure the communication system's normal operation. The maintenance of generator equipment and generator system put forward new and higher requirements.The characteristics of this kind of requirement is: implementation of generator set, communication equipment power environment for remote monitoring function, termination of an unmanned guarding.The result will avoid the lack of scientific management and human negligence may cause burning machine, crashes, power outages, combustion led to the suspension of communication such as major accident, greatly improve the quality of equipment maintenance management, to reduce the maintenance cost of the system and guarantee system operation is in good working condition at the same time, thus greatly enhance the overall efficiency.
In communication network in China, the most number of base stations, wide coverage, there are a lot of mountain base station, maintenance is difficult, while the power interruption of mobile communication form day performance is more obvious.According to the fault analysis of the refund service, all the base station found caused by power failure rates as high as 20-30%.Base station blackout, due to not timely or notices or not in time nobody tracking, etc.Often cause base station suit back.Base station back clothing influence network quality not only, still use inconvenience to users, and seriously shape the image of the company.How to ensure that under the blackouts, network quality is not affected, which is to maintain an important work.
A base station power generation the main solution is: after the base station blackout, by DaiWei company organizational power.
Base station monitoring system is the core of a multi-functional base station monitor, the device is based on PC hardware structure, is a collection of data, remote control, remote setting, data communications software platform.
A, the base stationThe controller system
LXC7920 is a specific Generator remote monitoring Designed for the Generator controller, in view of the DTU doing a special optimized processing, remote transmission data more quickly, more stable.Than the current international brand controller much faster data transmission, etc., can also be connected capacitor oil level sensor, accurate measurement of oil, to realize intelligent fuel management: oil, oil, gas, etc.Monitoring the fuel consumption data and run time data, when there is a leak or steal oil happens automatically generate a warning.For mobile company to understand the fuel consumption, fuel consumption rate, operation time and the problems in the operation.Not only can cooperate DTU operation, wireless data transmission, can also send important messages to managers, at the same time ensure notification in place;Cooperate with GPS DTU operation, real-time location information of the report of unit, especially suitable for generator leasing industry, the base station remote monitoring, the monitoring of fire pump, fuel consumption monitoring and management, etc.
1, using 32-bit ARM microcontroller, high hardware integration, further improve reliability;
2, Liquid crystal display (LCD) LCD for 240x128With a backlight, Chinese, English and other languages optional interface.More important is can under a page shows that most of the parameters, dispense frequent switching page views, very convenient;
3,All parameters can be used by computerUSB、RS232、RS485Interface connection and adjustment, at the same time in the controller's internal memoryFLASH, also is not lost in when the system is powered off. 99%Parameter can be directly from the panel Settings, facilitate the scene debugging;
4, use MODBUS Protocol can achieve "three remote" function;(RS232 and USB As the standard,RS485 For optional)
5,withSMSFunction, when generating set alarm automatically to set5A phone number to send alarm information, and also can via text message to control the generating set and access to state of generator set.With advanced iot function, through GPRS mobile network and Internet connectivity, in any place can remote monitoring network;(need to install the GPRS module: LXI680)
6, CAN BUS Interface, can connect with J1939 The efi machine, not only can monitor efi machine commonly used information(Such as water temperature, oil pressure, speed, fuel consumption, etc.), also CAN control the starting, stopping, acc and slow down (to use with CAN BUS interface controller);
7, Suitable for three phase four wire, three-phase three-wire, single-phase two lines, two phase three lines(120/240V)The power supply 50/60Hz System;
Eight,Acquisition and display the mains/Power three-phase voltage, three-phase current, phase sequence, frequency, active power, reactive power, power factor, electric power, the engine of all kinds of sensor data;
9,Mains with over voltage, under voltage, frequency, frequency, phase and reverse phase sequence warning function, power frequency overvoltage, undervoltage, over, under frequency, over current, over power, reverse power, lack of phase, reverse phase sequence warning and stop protection function;
10,Three fixed analog quantity sensors(Temperature, oil pressure, liquid level)Sensors, a variety of temperature, pressure, oil bits curve can use directly, and can be custom sensor curve;
11,Two programmable analog quantity sensors can be set to the temperature or pressure or liquid level sensor (onlyLXC72X0 Have this feature);
12,Control protection function: diesel and gas generator set automatic startup/Downtime,/break-brake(ATS switch) Fault display and perfect protection function, when multiple warning, warning column will display them in turn, facilitate analysis reason;
13,All outlet for relay output, and the main output are made 16A Relay output, at the same time 3 A passive relay output, more easy to complex applications;
14, Parameter setting function: allow users to change the parameters setting, at the same time in internal memoryEEPROMWithin the memory, also is not lost in when the system is powered off.Almost all the parameters can be adjusted from the controller front panel, all the parameters can be used to PC through USB interface, and can be adjusted using PC via RS485 interface;
15, With advanced iot function, throughGPRSMobile network and Internet connectivity, in any place can remote monitoring network;
16,Many successful starting condition(Speed sensor, oil pressure, power generation, battery charger)Can choose, suitable for all special occasions demand;
17,Wide range of power supply(8~35)VDC， Can adapt to different environment starting battery voltage, Can continue under starting motor instantaneous ultra low voltage protectionWork for 3 seconds.
Article 18, has a history of fault record 200, record the moment in a warning or fault occurring oil pressure, water temperature, voltage, current, power and other important parameters, easy to analysis the reason and repair;
19, A real time clock, timer switch machine(A month/Once a week/Boot up once a day and whether can be set on load)Function;
20,Can be used for the pump unit, also can be used for indicating instrument(The only indication, alarm, relay no action)；
21, with 3 Group maintenance functions, can be set up for the machine maintenance cycle.The maintenance time to action can be set up(Warning or alarm stop)；
22, Shell with rubber seal is designed between the control panel, the waterproof performance can be achieved IP55；
23, Screen protection adopts hard screen acrylic materials, wear resistance and scratch resistance is better;
24, Using silica gel panel and buttons, to adapt to the high and low temperature environment ability is stronger, and has a good waterproof performance;
25, Modular structure design, flame retardant ABS Shell, pluggable terminal blocks, embedded installation, compact structure, convenient installation.
The application of special industry characteristics:
1 The base stationApplication: management provides the perfect solution:throughPCRemote managementThe base stationUnit, can monitor all operation parameters (oil, water temperature, voltage, current, power, etc.), may at any time change the configuration in order to protect the unit by improper application, can record 200 article detailed fault information, including: the fault time, reason, at the time of voltage, current, power, oil pressure, water temperature and other key parameters, and can be uploaded to the monitoring machine at any time.Otherwise by multilevel password management convenientThe base stationManagement;
LXI680G is an industrial-grade GPRS DTU products with GPS global satellite positioning function.The product internal integration with high performance and low power consumption of industrial grade GPS module and GPRS module, GPS global positioning technology and wireless GPRS communication technology perfect combination of a product.
LXI680G platform based on ARM and embedded operating system, built-in industrial-grade module, it can be used in harsh environments, working temperature scope of application can be up to 40 ℃ ~ + 85 ℃.LXI680G provide standard RS232 serial interface, can be quickly and PLC, industrial control, instruments, meters, RTU equipment is linked together, will be linked to LXI680G equipment through GPRS network data transmission to a host on the Internet, realize the transparent data remote transmission, at the same time to the front-end equipment of GPS location information reported to host, achieve the positioning equipment.
Three, Base station monitoringSystem composition
Mobile base station control system is mainly composed of the console, mainframe computers, displays, monitoring software, LED lamp, acoustic alarm, etc.
1. Computer configuration
a). Main: asus motherboard
e). Monitor: acer 21 inch monitor
I). Photoelectric mouse keyboard
a)1.8 stainless steel material
Mains voltage, low voltage, lack of phase, it will have the light and acoustic alarm.
3.2.2 and low amount of fuel
Fuel level set below a certain threshold, such as: alarm controller set up less than 10%.It will be less than 10%, will emit light and acoustic alarm.
Maintenance tips can be set on the controller daily, weekly, monthly or yearly.Set a time when the light and acoustic alarm.
3.2.4, generator outage failure
3.2.5, abnormal voltage to generate electricity
Power generation high pressure, low pressure, lack of phase, it will have the light and acoustic alarm.
3.2.6, power frequency anomalies
When the controller set power frequency is higher than a certain value or falls below a certain value, it will emit light and acoustic alarm.
3.2.7, ATS switch failure
When ATS unable to transform or convert but come, it will emit light and acoustic alarm.
Abnormal 3.2.8, dynamo charger
When charging voltage controller set a certain threshold, when charging voltage set higher or lower than the threshold, as an exception.Does it make a lighting and acoustic alarm.
Battery under voltage 3.2.9, generator
Set in the controller battery voltage when a certain threshold, when the battery voltage is lower than the setting threshold, as undervoltage.Does it make a lighting and acoustic alarm.
3.2.10 battery undervoltage, aggregates
In the controller set aggregates battery voltage when a certain threshold, when accumulate the battery voltage is lower than the setting threshold, as undervoltage.Does it make a lighting and acoustic alarm.
Fly rui LXC7xxx V3.48 (9 xxx3xxx) controller software
Four,The base station monitoring software：
Software functions for details, please refer to appendix 1
Conclusion:This monitoring system due to less investment, easy installation, stable operation, do not take up new transport resources, realize no one guards.And completely solves the problems of original monitoring and control system, and greatly saves manpower.For China mobile company existing problems existed in the generator monitoring system, and using the remote monitoring system has been realizedMonitoring of generator hydraulic, fuel quantity, grid, etc.Greatly ensures the normal operation of the base station and the stability of the network.
"Wei mason" typhoon, for example:
First phase of the rectification 66 sets of unattended remote monitoring system, due to the typhoon influence, maoming area base station more than 60% refund, this is 60% without rectification.66 sets of remote monitoring system in the rectification of no refund, a base station in the base areas had 45 stations remotely start generators, guarantee the power supply of the base station.
