CN101377676A - Double-machine backup apparatus and backup method of remote measuring and controlling system of water borne navigation aid facility - Google Patents
Double-machine backup apparatus and backup method of remote measuring and controlling system of water borne navigation aid facility Download PDFInfo
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- CN101377676A CN101377676A CNA2008100718308A CN200810071830A CN101377676A CN 101377676 A CN101377676 A CN 101377676A CN A2008100718308 A CNA2008100718308 A CN A2008100718308A CN 200810071830 A CN200810071830 A CN 200810071830A CN 101377676 A CN101377676 A CN 101377676A
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Abstract
The present invention relates to a dual machine backup device of the telemetering and remote control system of the navigation aid facility, and a backup method thereof. The dual machine backup device consists of a main control host computer, an auxiliary control host computer, a communication bus, a data terminal, a dual power supply circuit and a power line. The main control host computer, the second communication interface of the auxiliary control host computer and the first communication interface of the data terminal are connected with the first communication bus; the auxiliary control host computer, the second communication interface of the main control host computer and each data terminal are all connected with the second communication bus of the communication bus; the dual power supply circuit is respectively connected with the ports of the main control host computer, the auxiliary control host computer, the data terminal and the power input. When the abnormal situation appears on the main control host computer, the active switching and the passive switching are performed. The present invention effectively overcomes the defect of the poor reliability in the traditional telemetering and remote control system of the navigation aid facility, realizes the redundant backup with two control host computers and two communication buses, and improves the reliability.
Description
Technical field
The present invention relates to a kind of remote measuring and controlling device that is used for water borne navigation aid facility, is a kind of double-machine backup apparatus and backup method of water borne navigation aid facility telemetering and remote control system specifically.
Background technology
Because navigation channel geographical conditions complexity, work under bad environment, the navigation mark quantity in the navigation channel is many, have a very wide distribution, the several hundred kilometers apart that has, the labour intensity of safeguarding is big, and the maintenance cost height is therefore very high to the reliability requirement that is installed in the remote measuring and controlling terminal on the navigation mark.Adopt the application example of the method raising Circuits System functional reliability of dual-host backup to have much, as patent of invention ZL03136621.X, patent No. ZL200410025599.0, application number 200610148786.7 etc. the method for dual-host backup has been proposed all, in the hope of reaching the purpose that improves the associated circuitry functional reliability.The two main frames of these inventions and the connected mode of transmitter or terminal can reduce two kinds: a kind of is that two main frames and transmitter or terminal directly are attempted by on the communication bus as ZL200410025599.0, and another kind is that two main frames converge by bus switch is that a bus is connected with transmitter or terminal as 200610148786.7 again.Dual mode all has the function of dual-host backup, if but communication bus breaks down when comprising arbitrary being short-circuited property of the interface fault that is articulated on the bus, the problem that above-mentioned dual mode all can cause part or total data to transmit is promptly only accomplished the main frame backup and not backup in the communication.
Summary of the invention
The objective of the invention is to finish a kind of high reliability remote measuring and controlling terminal system two main frame dual buss, that be used for water borne navigation aid facility based on embedded MCU by setting up the redundant system and the control changing method thereof of two main frame dual buss.This system can automatically switch on the auxilliary main control system and second communication bus when main control host or first communication bus break down, and the assurance system continues normal operation on changing method, thereby improves the reliability of system.
For achieving the above object, technical scheme of the present invention is: (1) is made of the double-machine backup apparatus of water borne navigation aid facility telemetering and remote control system main control host, auxilliary main control system, communication bus, data terminal, two-supply circuit, power lead.First communication interface of each communication interface all is connected on first communication bus of communication bus in second communication interface of first communication interface of main control host in the device, auxilliary main control system and the data terminal; Second communication interface of each communication interface all is connected on second communication bus of communication bus in first communication interface of auxilliary each communication interface of main control system, second communication interface of main control host and each data terminal; The output port of two-supply circuit by power lead respectively with the power input mouth of the power input mouth of main control host, auxilliary main control system, data terminal in the power supply of each communication interface import each port and be connected.
(2) when abnormal conditions appear in main control host, main control host and auxilliary main control system carry out active to the dual-host backup control of system and switch and passive switching.
Described main control host and auxilliary main control system are structurally identical, and they comprise respectively: the flush bonding processor of ARM kernel, GSM/GPRS Modem, two RS-485 chip, RS-232 chip, electric isolated DC-DC power supply module, first communication interface and second communication interface.
Described data terminal is structurally identical, and they comprise respectively: PIC MCU, 1~No. 8 sensor and modulate circuit thereof, 1~8 road OC output or relay output control circuit, electric isolated DC-DC power supply module, first communication interface and second communication interface with two serial ports.
Described communication bus comprises: first communication bus and second communication bus, they are the RS-485 bus.
Described two-supply circuit comprises: a DC-DC power circuit, the 2nd DC-DC power circuit and a common cloudy diode (led) module.The input end of the one DC-DC power circuit and the 2nd DC-DC power circuit is connected with active and standby two groups of power supplys respectively, the output terminal of the one DC-DC power circuit and the 2nd DC-DC power circuit is connected respectively to two anodes of common cloudy diode (led) module, and altogether cloudy diode (led) module negative electrode out-put supply line connects.
Described main control host abnormal conditions occur and is meant:
(1) main control host can't log on for a long time that communication network, main control host judge that GSM/GPRSModem can't work, main control host judges that software inhouse takes place to repair or fatal mistake (losing or software anomaly etc. as configuration data) or Surveillance center's mandatory requirement are enabled auxilliary main control system;
(2) main control host is not carried out bus operation for a long time, auxilliary main control system does not receive that for a long time the running status indication information of main control host or auxilliary main control system are replied for a long time to the call information of main control host.
Described proactive handoff procedures: when abnormal conditions (1) occurring, main control host is sent the auxilliary main control system of command request and is accepted control and continue system is controlled.
Described passive handoff procedure: when abnormal conditions (2) occurring, auxilliary main control system sends and requires to obtain control, (does not comprise affirmative acknowledgement and no response) after main control host gives negative response, and auxilliary main control system promptly starts work.
Adopt technical scheme of the present invention, can effectively solve the deficiency of traditional water borne navigation aid facility telemetering and remote control system aspect reliability, realized the redundancy backup of two main control systems and duplex bus, improved the reliability of water borne navigation aid facility telemetering and remote control system, reached and reduce the effect of safeguarding labour intensity, saving maintenance cost.
Description of drawings
Fig. 1 is system frame structure figure of the present invention.
Fig. 2 is an initiatively switch operating process flow diagram of two-shipper control of the present invention.
Fig. 3 is the passive switch operating process flow diagram of two-shipper control of the present invention.
Fig. 4 is the system construction drawing of one embodiment of the present of invention.
Among Fig. 1, constitute a kind of double-machine backup apparatus of water borne navigation aid facility telemetering and remote control system by main control host 1, auxilliary main control system 2, communication bus 3, data terminal 4, two-supply circuit 5 and power lead 6.
Fig. 4 further illustrates the inner structure and the annexation of each parts among Fig. 1.Wherein main control host 1 comprises: first communication interface 11, second communication interface 12, two RS-485 chip 13, the processor 14 of ARM kernel, RS-232 chip 15, power input mouth 16, electric isolated DC-DC power supply module 17, GSM/GPRS Modem 18, and they all are installed on the main control host substrate 10 and are connected to each other; Wherein GSM/GPRS Modem 18 is used for realizing wireless telecommunications by the GSM/GPRS network.
Auxilliary main control system 2 comprises among Fig. 4: first communication interface 21, second communication interface 22, two RS-485 chip 23, the processor 24 of ARM kernel, RS-232 chip 25, power input mouth 26, electric isolated DC-DC power supply module 27, GSM/GPRS Modem 28, and they all are installed on the auxilliary main control system substrate 20 and are connected to each other; Wherein GSM/GPRS Modem 28 is used for realizing wireless telecommunications by the GSM/GPRS network.
Data terminal is respectively (total n, and n=1,2 of 4n among Fig. 4 ..., 9), concrete quantity is determined according to actual needs.During with n=1 41 is example, the data terminal structure comprises: first communication interface 411, second communication interface 412, control output interface 413, two RS-485 chip 414, PIC MCU415, power input mouth 416, electric isolated DC-DC power supply module 417, sensor and the modulate circuit 418 thereof of two serial ports, controlling output circuit 415, they all are installed on the auxilliary main control system substrate 410 and are connected to each other.
Two-supply circuit 5 comprises among Fig. 4: the first power input mouth 51, second source input port 52, a DC-DC power circuit 53, the 2nd DC-DC power circuit 54, common cathode duodiode module 55, output port of power source 56, they all are installed on the auxilliary main control system substrate 50 and are connected to each other.
First communication interface 11 of main control host 1, second communication interface 22 of auxilliary main control system 2, the first communication interface 4n1 (n=1,2 among the data terminal 4n among Fig. 4 ..., 9) be connected respectively on first communication bus 31 of communication bus 3, constitute the LAN (Local Area Network) between a main control host and the data terminal.In this LAN (Local Area Network) auxilliary main control system 2 the same with data terminal be slave unit, the duty of main control host is only intercepted in the not real-time control of participation system, judges whether the passive switching command of executive system control.
Second communication interface 12 of main control host 1, first communication interface 21 of auxilliary main control system 2, the second communication interface 4n2 (n=1,2 among the data terminal 4n among Fig. 4 ..., 9) be connected respectively on second communication bus 32 of communication bus 3, constitute the LAN (Local Area Network) between another auxilliary main control system and the data terminal.The real-time control of auxilliary main control system 2 executive systems in this LAN (Local Area Network).
In the two-supply circuit 5 shown in Figure 4, the input end of a DC-DC power circuit 53 and the 2nd DC-DC power circuit 54 is connected with the active and standby two groups+12V electric battery of former aid to navigation respectively; Two anodes of common cathode duodiode module 55 are connected with two DC-DC power circuit output ends respectively; The negative electrode of common cathode duodiode module 55 is connected with power lead 6 by output port of power source 56, and output+5V DC voltage is to described main control host 1, auxilliary main control system 2 and data terminal 4n power supply.
Embodiment
For more detailed description the present invention, be described further below in conjunction with accompanying drawing 4, accompanying drawing 2 and accompanying drawing 3 embodiment.
4 carry out building of device with reference to the accompanying drawings.
Two-shipper control shown in the accompanying drawing 2 initiatively switch operating step is as follows:
Step 201: initiatively changeover program begins;
Step 202: judge whether the operation of main control host system software is normal; If normally go to step 203, otherwise go to step 206;
Step 203: judge whether main control host can normally log on wireless network; If normally go to step 204, otherwise go to step 206;
Step 204: judge whether GSM/GPRS Modem module is working properly in the main control host; If normally go to step 205, otherwise go to step 206;
Step 205: judged whether that requirement forces to switch; If go to step 206, otherwise go to step 207;
Step 206: main control host is sent command request and is switched to auxilliary main control system;
Step 207: initiatively switching flow finishes.
The passive switch operating step of two-shipper control shown in the accompanying drawing 3 is as follows:
Step 301: passive changeover program begins;
Step 302: judge whether main control host does not operate bus for a long time; If go to step 305, otherwise go to step 303;
Step 303: judge whether the long-time running status indication information that receives main control host that do not have; If go to step 305, otherwise go to step 304;
Step 304: judge whether calling no response to main control host; If go to step 305, otherwise go to step 308;
Step 305: send the auxilliary main control system instruction of request cnable;
Step 306: judge whether main control host has affirmative acknowledgement or no response; If go to step 307, otherwise go to step 308
Step 307: enable auxilliary main control system;
Step 308: passive switching flow finishes.
Claims (5)
1, a kind of double-machine backup apparatus of water borne navigation aid facility telemetering and remote control system and backup method are used for realizing between telemetering and remote control system main control host and the auxilliary main control system switching of system's control be is characterized in that:
(1) constitute the double-machine backup apparatus of water borne navigation aid facility telemetering and remote control system by main control host, auxilliary main control system, communication bus, data terminal, two-supply circuit, power lead, in the device in second communication interface of first communication interface of main control host, auxilliary main control system and the data terminal first communication interface of each communication interface all be connected on first communication bus of communication bus; Second communication interface of each communication interface all is connected on second communication bus of communication bus in first communication interface of auxilliary each communication interface of main control system, second communication interface of main control host and each data terminal; The output port of two-supply circuit by power lead respectively with the power input mouth of the power input mouth of main control host, auxilliary main control system, data terminal in the power supply of each communication interface import each port and be connected;
(2) when abnormal conditions appear in main control host, main control host and auxilliary main control system carry out active to the dual-host backup control of system and switch and passive switching.
2, the double-machine backup apparatus of a kind of water borne navigation aid facility telemetering and remote control system according to claim 1 and backup method is characterized in that main control host and auxilliary main control system constitute by flush bonding processor, GSM/GPRS Modem, electric isolated DC-DC power supply module and first communication interface and second communication interface of ARM kernel.
3, the double-machine backup apparatus of a kind of water borne navigation aid facility telemetering and remote control system according to claim 1 and backup method is characterized in that data terminal comprises: PIC MCU, 1~No. 8 sensor and modulate circuit thereof, 1~8 road OC output or relay output control circuit, electric isolated DC-DC power supply module, first communication interface and second communication interface with two serial ports.
4, the double-machine backup apparatus of a kind of water borne navigation aid facility telemetering and remote control system according to claim 1 and backup method, it is characterized in that described dual-host backup control carry out initiatively switching be meant occur that main control host can't log on for a long time that communication network, main control host judge that GSM/GPRS Modem can't work, main control host judges that software inhouse takes place to repair or fatal when wrong, main control host is sent the auxilliary main control system of command request and is accepted control and continue system is controlled.
5, the double-machine backup apparatus of a kind of water borne navigation aid facility telemetering and remote control system according to claim 1 and backup method, it is characterized in that described dual-host backup control carries out passive switching and be meant that main control host occurring does not carry out bus operation, auxilliary main control system for a long time and do not receive for a long time when the running status indication information of main control host or auxilliary main control system do not obtain replying to the call information of main control host for a long time, main control host is sent the auxilliary main control system of command request and is accepted control and continue system is controlled.
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CNA2008100718308A CN101377676A (en) | 2008-09-22 | 2008-09-22 | Double-machine backup apparatus and backup method of remote measuring and controlling system of water borne navigation aid facility |
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CNA2008100718308A CN101377676A (en) | 2008-09-22 | 2008-09-22 | Double-machine backup apparatus and backup method of remote measuring and controlling system of water borne navigation aid facility |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102288218A (en) * | 2011-05-10 | 2011-12-21 | 中安金力(北京)安全生产技术研究院 | Multi-parameter sensor device used in survival cabin of underground shelter |
CN103488146A (en) * | 2013-09-23 | 2014-01-01 | 北京航空航天大学 | BMK telemetry data switching selection module with channel selection function |
CN103809471A (en) * | 2012-11-15 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Novel automatic switchover emergency processing device and implementing method thereof |
CN114326366A (en) * | 2021-12-02 | 2022-04-12 | 珠海格力电器股份有限公司 | Soft redundancy control system and configuration method thereof |
CN114326368A (en) * | 2021-12-16 | 2022-04-12 | 三一汽车制造有限公司 | Pump truck control method and system and pump truck |
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2008
- 2008-09-22 CN CNA2008100718308A patent/CN101377676A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102288218A (en) * | 2011-05-10 | 2011-12-21 | 中安金力(北京)安全生产技术研究院 | Multi-parameter sensor device used in survival cabin of underground shelter |
CN103809471A (en) * | 2012-11-15 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Novel automatic switchover emergency processing device and implementing method thereof |
CN103809471B (en) * | 2012-11-15 | 2016-08-10 | 中国科学院沈阳自动化研究所 | A kind of new type auto switching emergency treatment device and implementation method |
CN103488146A (en) * | 2013-09-23 | 2014-01-01 | 北京航空航天大学 | BMK telemetry data switching selection module with channel selection function |
CN103488146B (en) * | 2013-09-23 | 2015-11-11 | 北京航空航天大学 | A kind of BMK telemetry with channel selecting function switches selects module |
CN114326366A (en) * | 2021-12-02 | 2022-04-12 | 珠海格力电器股份有限公司 | Soft redundancy control system and configuration method thereof |
CN114326366B (en) * | 2021-12-02 | 2023-09-12 | 珠海格力电器股份有限公司 | Soft redundancy control system and configuration method thereof |
CN114326368A (en) * | 2021-12-16 | 2022-04-12 | 三一汽车制造有限公司 | Pump truck control method and system and pump truck |
CN114326368B (en) * | 2021-12-16 | 2024-04-12 | 三一汽车制造有限公司 | Pump truck control method and system and pump truck |
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Open date: 20090304 |