CN201955666U - Universal ship-monitoring alarm system - Google Patents
Universal ship-monitoring alarm system Download PDFInfo
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- CN201955666U CN201955666U CN2010205964091U CN201020596409U CN201955666U CN 201955666 U CN201955666 U CN 201955666U CN 2010205964091 U CN2010205964091 U CN 2010205964091U CN 201020596409 U CN201020596409 U CN 201020596409U CN 201955666 U CN201955666 U CN 201955666U
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Abstract
A universal ship-monitoring alarm system comprises extension alarm modules, optional monitoring workstations, an Ethernet dual-redundant network, a UPS (uninterrupted power supply), two industrial hosts, a printer, an alarm lamppost, a switching value output module, a field network and a field data acquisition module. The field data acquisition module and the switching value output module are connected with the two industrial hosts through the field network, and the optional monitoring workstations and the extension alarm modules are connected with the two industrial hosts through the Ethernet dual-redundant network. In the design of system software, the data acquisition module is utilized to acquire the parameters of each monitoring point and send the parameters to the industrial hosts for processing, and the universal ship-monitoring alarm system is convenient to use.
Description
Technical field
The utility model relates to a kind of boats and ships monitor and alarm system, specifically is a kind of embedded control system that is used for the watercraft engine room automatic monitoring warning, belongs to the marine electrical equipment field.
Background technology
Along with deepening constantly of reform, shipping industry and shipping business develop rapidly, and the monitoring of boats and ships and warning system are also constantly being upgraded, and it is used for monitoring main frame in the cabin, subsidiary engine, the ruuning situation of cargo hold and utility appliance.In case operational outfit breaks down, system just sends sound and light alarm automatically, and notify the engineer to handle accordingly, present existing monitoring and warning system are all fairly simple, can't expand to the numerous monitoring of tools of whole ship, just monitor at several significant points such as cabins, and existing execution hardware device is also perfect not enough, failure rate is higher relatively.
Summary of the invention
The purpose of this utility model provides a kind of general purpose vessel monitor and alarm system.
Problem to be solved in the utility model is the perfect inadequately deficiency of spot ship monitoring, alarming technology.
For realizing the purpose of this utility model, the technical solution adopted in the utility model is:
The general purpose vessel monitor and alarm system is made of extension alarm module, optional monitor workstation, the two redundant networks of Ethernet, UPS, two industrial control host, printer, warning lamppost, switching value output module, field network and on-site data gathering modules.On-site data gathering module, switching value output module are connected with two industrial control host by field network, and optionally monitor workstation is connected with two industrial control host by the two redundant networks of Ethernet with the extension alarm module; This system can be divided into two-layer by structure: the field network that lower floor is made of on-site data gathering module, switching value output module and CAN double-bus redundancy; The upper strata by the industrial computer of the two redundant networks of Ethernet, two-node cluster hot backup redundancy and optionally monitor workstation, extension alarm module etc. form, be used to finish functions such as the online integrated supervision of ship equipment and management.On-the-spot on-site data gathering module is made of switch acquisition module, 4 ~ 20mA current signal acquisition module, PT100 thermal resistance signal acquisition module, thermocouple signal acquisition module.
On-the-spot on-site data gathering module adopts fully independently two groups of CAN bus interface, adopts the modularized circuit design, carries out communication by CANOPEN agreement and main frame, has identical power supply architecture, identical cpu circuit, identical CAN bus communication interface; Alert detecting system integration CAN communication function adopts the Atmega32 single-chip microcomputer, by the CAN controller CAN transceiver is connected with the CAN fieldbus, and is provided with ESD and lightning prevention circuit; The CAN controller adopts MCP2515, and the CAN transceiver adopts TJA1050; PT100 thermal resistance signal acquisition module has adopted the metering circuit of two constant current sources; 4 ~ 20mA current signal acquisition module seals in one 250 ohm resistance in current return, convert current signal the voltage signal of 1 ~ 5V to, again voltage signal is delivered to analog to digital converter; The switch acquisition module adopts the photoelectricity isolation mode.
The utility model has designed the on-site data gathering module that is specially adapted for the such bad working environments environment of watercraft engine room, and this module adopts fully independently two groups of CAN bus interface, can form the dual-redundant CAN bus network easily.In order to satisfy the requirement of system monitoring real-time, in the top level computer network, widely applied the Winsock network communications technology.For functions such as the diagnosticability that improves total system, maintainabilitys, software and hardware is all pressed distributed design.In order to ensure reliability of operation, used double-network redundant, two main frame hot backup redundancy technology, in case break down, main frame can automatically switch.Adopt the password login, operate automatic record, mechanism such as the monitoring automatically of equipment operating data timed backup, uninterrupted power source, the network operation and command execution state show in real time, failure modes processing, main functional modules independent design, data isolation are deposited has automatically fully improved the diagnosticability of reliability of system operation and fault greatly.
Be provided with two redundant each other industrial computers at central station of floating dock, be used for the lower floor field device information mutual, equipment such as the main frame in the cabin, generator, auxilliary boiler, power station are carried out data acquisition and status surveillance, finish simultaneously and functions such as the network communication of top level computer, data preservation.Two industrial computers move simultaneously generally speaking, and when two machines moved simultaneously, wherein one was main frame, can have monitoring function, and another is a standby host, only play the data recall effect.In case current main frame breaks down, then can trigger control automatically and switch, standby host becomes main frame, can have monitoring function.Each application program in the industrial computer can independent active and standby switching realize redundancy feature between two machines.
Bridge is provided with two monitoring equipments, and is redundant each other, with the industrial computer of central control desk equal warning, demonstration effect arranged, but not responsible and cabin field module communication or on-site data gathering.Other occasion is all only established a prison and is shown machine or extension alarm module as each driver and engineer room.The extension alarm module can be inquired about all warning messages and system operational parameters, but eliminates the noise and reply only effective to this machine.
The general purpose vessel monitor and alarm system that adopts the utility model to provide, not only effect obviously but also low price, its design is succinct efficient, makes simply, easy to use, its utilization can make the navigation safety coefficient of ship improve greatly.
Description of drawings
Fig. 1 shows the overall construction drawing of the general monitor and alarm system of the utility model boats and ships;
Fig. 2 shows the general monitor and alarm system switching value of the utility model boats and ships signal acquisition circuit figure;
Fig. 3 shows the general monitor and alarm system 4 ~ 20mA of the utility model boats and ships current signal Acquisition Circuit figure;
Fig. 4 shows the general monitor and alarm system PT100 of the utility model boats and ships thermal resistance signal Acquisition Circuit figure;
Fig. 5 shows the general monitor and alarm system thermocouple signal acquisition of the utility model boats and ships circuit diagram;
Fig. 6 shows the general monitor and alarm system switching value of the utility model boats and ships output circuit figure;
Among the figure: 1, extension alarm module 2, monitor workstation 3, the two redundant networks 4 of Ethernet, UPS 5, industrial control host 6, printer 7, warning lamppost 8, switching value output module 9, field network 10 on-site data gathering modules 101, switch acquisition module 102,4 ~ 20mA current signal acquisition module 103, PT100 thermal resistance signal acquisition module 104, thermocouple signal acquisition module.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
The utility model is made of extension alarm module 1, optional monitor workstation 2, the two redundant networks 3 of Ethernet, UPS4, two industrial control host 5, printer 6, warning lamppost 7, switching value output module 8, field network 9 and on-site data gathering modules 10.On-site data gathering module 10, switching value output module 8 are connected with two industrial control host 5 by field network 9, and optionally monitor workstation 2 is connected with two industrial control host 5 by the two redundant networks 3 of Ethernet with extension alarm module 1; This system can be divided into two-layer by structure: the field network 9 that lower floor is made of on-site data gathering module 10, switching value output module 8 and CAN double-bus redundancy; The upper strata by the industrial control host 5 of the two redundant networks 3 of Ethernet, two-node cluster hot backup redundancy and optionally monitor workstation 2, extension alarm module 1 etc. form, be used to finish functions such as the online integrated supervision of ship equipment and management.
Because Monitoring and Alarming System of Marine Engine Room has its singularity, require high, response speed to require real-time good to system reliability, and the cabin operating mode is abominable---high temperature, humidity, high salinity etc., therefore to the designing requirement of its field network and equipment than higher.The utility model emphasis has carried out the field network 9 of CAN bus formation and the design of on-site data gathering module 10, and this part is the core technology place of Monitoring and Alarming System of Marine Engine Room.It is the module communication interface that the utility model field module has adopted the CAN bus, and has adopted separate redundant each other dual CAN bus Interface design.Because the operating mode of watercraft engine room is abominable, and the reliability requirement of system is high, so the design of the Electromagnetic Compatibility of system is also quite important.
In order to satisfy the requirement of system monitoring real-time, in the top level computer network, widely applied the Winsock network communications technology.For functions such as the diagnosticability that improves total system, maintainabilitys, software and hardware is all pressed distributed design.In order to ensure reliability of operation, used double-network redundant, two main frame hot backup redundancy technology, in case break down, main frame can automatically switch.Adopt the password login, operate automatic record, mechanism such as the monitoring automatically of equipment operating data timed backup, uninterrupted power source, the network operation and command execution state show in real time, failure modes processing, main functional modules independent design, data isolation are deposited has automatically fully improved the diagnosticability of reliability of system operation and fault greatly.
Be provided with two redundant each other industrial control host 5 at central station of floating dock, be used for the lower floor field device information mutual, equipment such as the main frame in the cabin, generator, auxilliary boiler, power station are carried out data acquisition and status surveillance, finish simultaneously and functions such as the network communication of top level computer, data preservation.Two industrial control host 5 are moved simultaneously generally speaking, and when two machines moved simultaneously, wherein one was main frame, can have monitoring function, and another is a standby host, only play the data recall effect.In case current main frame breaks down, then can trigger control automatically and switch, standby host becomes main frame, can have monitoring function.Each application program in the industrial control host 5 can independent active and standby switching realize redundancy feature between two machines.
Bridge is provided with two monitoring equipments, and is redundant each other, with the industrial control host 5 of central control desk equal warning, demonstration effect arranged, but not responsible and cabin field module communication or on-site data gathering.Other occasion is all only established a monitoring machine or extension alarm module 1 as each driver and engineer room.Extension alarm module 1 can be inquired about all warning messages and system operational parameters, but eliminates the noise and reply only effective to this machine.
On-site data gathering module 10 is important component parts of the present utility model, works to gather the duty parameter and the output alarm signal of monitored target.This module adopts fully independently two groups of CAN bus interface, can form the dual-redundant CAN bus network easily.The utility model on-site data gathering module 10 needs 4 kinds altogether, i.e. switch acquisition module 101,4 ~ 20mA current signal acquisition module 102, PT100 thermal resistance signal acquisition module 103, thermocouple signal acquisition module 104.To the boats and ships monitor and alarm system requirement of acousto-optic alarm to be arranged according to CCS, also need design a kind of field module, switching value output module 8---be used to control warning lamppost 7.
These 5 kinds of field modules have identical power supply architecture, identical cpu circuit, identical CAN bus communication interface, in design, can adopt modularized circuit design, and not only hardware circuit can be reused, and the program of appropriate section also can be reused.Below each module public power unit and the different separately input/output interface circuit of module are partly narrated.
Power circuit
The cabin electromagnetic environment of field module work is abominable, and the power supply of supply arrangement is also very unstable, and unsafe factors such as surge, harmonic wave, decompression, pulse are arranged, and the power supply design of module must be considered these contents.
Aboard ship, the 24V direct supply is as complete standing general monitoring of ship and control power supply, so the utility model field module power supply adopts the input of 24V direct current.Inside modules is provided with 4 groups of separate power supplys, and CPU partly uses one group of 5V direct supply, and the CAN communication interface partly uses another to organize independently 5V direct supply, and the peripheral circuit part is then used one group of 24V and one group of 5V direct supply.The separate power supply design of each several part has cut off the directly passage of conduction of electromagnetic interference noise, and peripheral interface circuit uses higher 24V DC voltage to help to improve the interference free performance of signal.
The switching value signal acquisition circuit
The switching value signal is to use the most general signal, and detected end sensor passes to the switch acquisition module with the form of passive contact with signal.The utility model adopts photoelectricity to isolate, as shown in Figure 2, after the passive closing of contact of external sensor, electric current flows through LED through R35 and passes through optocoupler again, the output terminal of optocoupler just can be exported one by the detected signal of CPU like this, thereby finishes the collection of switching value signal.The Acquisition Circuit of switching value signal uses the 24V power supply as power supply, can improve the interference free performance of signal.Diode D7 provides path for inverse voltage, has protected optocoupler.Capacitor C 36 can be filtered high-frequency interferencing signal.
The current signal Acquisition Circuit
The utility model is to the detection of 4 ~ 20mA current signal, as shown in Figure 3, adopts the resistance that seals in one 250 ohm in current return, converts current signal the voltage signal of 1 ~ 5V to, again voltage signal delivered to analog to digital converter and gets final product.For detecting the voltage that is lower than 1V, CPU can be judged to be line fault or sensor fault.For the sensor R of two-wire system, can be understood as a variable resistor, when detected physical quantity changes, cause that total equivalent resistance of sensor changes, thereby change the electric current of flows through sensor R.No. 3 connection terminal is reserved ground wire, can make things convenient for the sensor of three-wire system to connect.Capacitor C 31 is provided with can filter some instantaneous undesired signals.
The thermal resistance signal Acquisition Circuit
Three-wire system PT100 thermal resistance can be offset the influence of lead error to measurement result, is the preferred option that industrial PT100 thermal resistance thermometric is used.The utility model has designed the metering circuit of two constant current sources, can get resistance and be far longer than PT100 resistance change resistance replacement constant current source in the practical application circuit design, to simplify circuit design.R45 among Fig. 4 provides the detection electric current for the PT100 thermal resistance, and R47 then is the lead electric current that affords redress.The change in resistance of PT100 converts voltage difference to, after C32 filtering is stable, is amplified by differential amplifier, gives AD converter.
The thermocouple signal acquisition circuit
After the voltage signal of the utility model thermopair is introduced, as shown in Figure 5,, be exaggerated device and amplify, give AD converter again and detect through C34 filtering.
The switching value output circuit
Light-coupled isolation has been adopted in the design of the utility model switching value output circuit, and as shown in Figure 6, the signal of CPU output is exported through optocoupler, and has designed LED indication output state, and triode amplifies the rear drive relay.Relay circuit adopts 24V power supply design, and driving force is strong, good in anti-interference performance.In the design often the opening of relay, normally closed contact are all drawn convenient different application need.
Claims (8)
1. the general purpose vessel monitor and alarm system is made of extension alarm module (1), optional monitor workstation (2), the two redundant networks (3) of Ethernet, UPS (4), two industrial control host (5), printer (6), warning lamppost (7), switching value output module (8), field network (9) and on-site data gathering module (10).It is characterized in that: on-site data gathering module (10), switching value output module (8) are connected with two industrial control host (5) by field network (9), and optionally monitor workstation (2) is connected with two industrial control host (5) by the two redundant networks (3) of Ethernet with extension alarm module (1); This system can be divided into two-layer by structure: the field network (9) that lower floor is made of on-site data gathering module (10), switching value output module (8) and CAN double-bus redundancy; The upper strata is by the industrial control host (5) of two-node cluster hot backup redundancy and optionally monitor workstation (2) and extension alarm module (1) are formed; On-site data gathering module (10) is made of switch acquisition module (101), 4 ~ 20mA current signal acquisition module (102), PT100 thermal resistance signal acquisition module (103), thermocouple signal acquisition module (104).
2. general purpose vessel monitor and alarm system according to claim 1 is characterized in that: described on-site data gathering module (10) has identical power supply architecture, identical cpu circuit, identical CAN bus communication interface.
3. general purpose vessel monitor and alarm system according to claim 1, it is characterized in that: described alert detecting system integration CAN communication function, adopt the Atmega32 single-chip microcomputer, by the CAN controller CAN transceiver is connected with the CAN fieldbus, and is provided with ESD and lightning prevention circuit.
4. general purpose vessel monitor and alarm system according to claim 3 is characterized in that: described CAN controller adopts MCP2515, and the CAN transceiver adopts TJA1050.
5. general purpose vessel monitor and alarm system according to claim 1 is characterized in that: described on-site data gathering module (10) adopts fully independently two groups of CAN bus interface, carries out communication by CANOPEN agreement and main frame.
6. general purpose vessel monitor and alarm system according to claim 1 is characterized in that: described PT100 thermal resistance signal acquisition module (103) has adopted the metering circuit of two constant current sources.
7. general purpose vessel monitor and alarm system according to claim 1, it is characterized in that: described 4 ~ 20mA current signal acquisition module (102) seals in one 250 ohm resistance in current return, convert current signal the voltage signal of 1 ~ 5V to, again voltage signal is delivered to analog to digital converter.
8. general purpose vessel monitor and alarm system according to claim 1 is characterized in that: described switch acquisition module (101) adopts the photoelectricity isolation mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205964091U CN201955666U (en) | 2010-11-09 | 2010-11-09 | Universal ship-monitoring alarm system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205964091U CN201955666U (en) | 2010-11-09 | 2010-11-09 | Universal ship-monitoring alarm system |
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| CN201955666U true CN201955666U (en) | 2011-08-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105550839A (en) * | 2015-12-01 | 2016-05-04 | 镇江港务集团有限公司 | Ship condition monitoring management system |
| CN107959586A (en) * | 2017-11-09 | 2018-04-24 | 中国运载火箭技术研究院 | A kind of ship end Integrated navigation system network architecture based on cloud platform |
| CN112550636A (en) * | 2020-12-15 | 2021-03-26 | 武汉南华工业设备工程股份有限公司 | Cabin monitored control system based on dual redundancy |
| CN115622870A (en) * | 2022-10-17 | 2023-01-17 | 广东精铟海洋工程股份有限公司 | Whole-ship monitoring and alarming system of offshore wind power installation platform |
-
2010
- 2010-11-09 CN CN2010205964091U patent/CN201955666U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105550839A (en) * | 2015-12-01 | 2016-05-04 | 镇江港务集团有限公司 | Ship condition monitoring management system |
| CN107959586A (en) * | 2017-11-09 | 2018-04-24 | 中国运载火箭技术研究院 | A kind of ship end Integrated navigation system network architecture based on cloud platform |
| CN112550636A (en) * | 2020-12-15 | 2021-03-26 | 武汉南华工业设备工程股份有限公司 | Cabin monitored control system based on dual redundancy |
| CN112550636B (en) * | 2020-12-15 | 2022-07-22 | 武汉南华工业设备工程股份有限公司 | Cabin monitored control system based on dual redundancy |
| CN115622870A (en) * | 2022-10-17 | 2023-01-17 | 广东精铟海洋工程股份有限公司 | Whole-ship monitoring and alarming system of offshore wind power installation platform |
| CN115622870B (en) * | 2022-10-17 | 2023-10-03 | 广东精铟海洋工程股份有限公司 | Whole ship monitoring alarm system of offshore wind power installation platform |
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Granted publication date: 20110831 Termination date: 20111109 |