CN207339925U - Monitoring and Alarming System of Marine Engine Room - Google Patents
Monitoring and Alarming System of Marine Engine Room Download PDFInfo
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- CN207339925U CN207339925U CN201721417087.8U CN201721417087U CN207339925U CN 207339925 U CN207339925 U CN 207339925U CN 201721417087 U CN201721417087 U CN 201721417087U CN 207339925 U CN207339925 U CN 207339925U
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- dpu
- engine room
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Abstract
The utility model discloses a kind of Monitoring and Alarming System of Marine Engine Room, belong to ship monitoring system regions, monitored for ship status, it includes host computer unit, communication unit, collecting unit DPU and dissimilar sensor, wherein described host computer unit is connected by optical fiber with communication unit, communication unit is connected by CAN bus with collecting unit DPU, and the A/D conversion circuits changed for analog quantity and the photoelectric isolating circuit for avoiding input/output signal from interfering with each other are additionally provided with the connection circuit of collecting unit DPU and dissimilar sensor；In view of above-mentioned technical proposal, the utility model can realize the normal operation of whole monitoring system when a certain link of Monitoring and Alarming System of Marine Engine Room breaks down, and realize the signal isolation of collecting unit and alarm unit, improve the autgmentability and communication stability of system.
Description
Technical field
The utility model belongs to ship monitoring system regions, specifically, more particularly to a kind of watercraft engine room monitoring, alarming
System.
Background technology
Ship, which needs to use different types of sensor during the work time, is monitored ship oneself state, to ensure
Crewman can judge the state and security of ship itself according to the information that monitoring obtains, and exclude the security risk of ship in time.
But existing ship monitoring, alarming holds mainly using single warning net when a certain link therein breaks down
Warning net paralysis is easily caused, influences the stability of monitoring system.
The content of the invention
The purpose of this utility model is to provide a kind of Monitoring and Alarming System of Marine Engine Room, it can realize that watercraft engine room is supervised
The normal operation of alarm system a certain link whole monitoring system when breaking down is surveyed, and realizes collecting unit and alarm unit
Signal isolation, improves the autgmentability and communication stability of system.
To reach above-mentioned purpose, the utility model is achieved through the following technical solutions：
Monitoring and Alarming System of Marine Engine Room described in the utility model, including host computer unit, communication unit, collection list
First DPU and dissimilar sensor, wherein the host computer unit is connected by optical fiber with communication unit, communication unit passes through
CAN bus is connected with collecting unit DPU, is additionally provided with and is used on the connection circuit of collecting unit DPU and dissimilar sensor
The A/D conversion circuits and avoid the photoelectric isolating circuit that input/output signal interferes with each other that analog quantity is changed；
The communication unit includes interchanger and communication module, is used for realization the communications exchange and host computer of host computer unit
Network between unit and collecting unit DPU separates, and interchanger is used for realization the conversion of CAN bus and optical fiber interface, communicates mould
Block is used for realization the transmission of converted signals；
The host computer unit, communication unit, collecting unit DPU include host and guest machine, host and guest machine it
Between carry out two-way data communication.
Further speaking, the host computer unit described in the utility model also passes through Ethernet and at least one extension report
Alert unit connection.
Further speaking, the host computer unit described in the utility model, communication unit, collecting unit DPU and sensor
Using the power supply of the power module of UPS uninterrupted power sources and main power source.
Further speaking, the A/D conversion circuits described in the utility model use AD7710 chips, in AD7710 chips
AVDD interfaces are connected with+5V power supplys, and are parallel with connection circuit the capacitance C63 of 1 μ F/50V of ground connection, 100 μ F/50V
Capacitance C64；The DVDD interfaces are connected with+5V power supplys, and are parallel with connection circuit the capacitance of 100 μ F/50V of ground connection
C69；Input terminal AIN1, AIN2 are used to convert analog signals into serial data output.
Further speaking, the CAN interface of the interchanger described in the utility model uses STM32F103ZET6 cores
Piece.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is set using double-layer network, and information gathering layer is communicated using CAN bus, information processing report
Alert layer uses optical-fibre communications into row information transmission.And the equipment in system improves system using double settings of host and guest machine
System can switch in time when breaking down, and ensure system normal operation.
2nd, the CAN bus in the utility model is designed using redundant CAN bus, can ensure that the signal under adverse circumstances is adopted
Collect reliability, information processing alarming layer can extend more monitoring points and extension alarm unit using optical-fibre communications, realize alarm
The high-speed transfer of information.
Brief description of the drawings
Fig. 1 is the functional block diagram of the utility model.
Fig. 2 is the structure diagram of A/D modular converters in the utility model.
Embodiment
Technical solution described herein is described further with reference to the accompanying drawings and embodiments.
Embodiment 1：A kind of Monitoring and Alarming System of Marine Engine Room, including host computer unit, communication unit, collecting unit DPU
And dissimilar sensor, wherein the host computer unit is connected by optical fiber with communication unit, communication unit passes through CAN bus
It is connected with collecting unit DPU, is additionally provided with the connection circuit of collecting unit DPU and dissimilar sensor and turns for analog quantity
The A/D conversion circuits changed and the photoelectric isolating circuit for avoiding input/output signal from interfering with each other；The communication unit includes exchanging
Machine and communication module, the network being used for realization between the communications exchange of host computer unit and host computer unit and collecting unit DPU
Separation, interchanger are used for realization the conversion of CAN bus and optical fiber interface, and communication module is used for realization the transmission of converted signals；
The host computer unit, communication unit, collecting unit DPU include host and guest machine, are carried out between host and guest machine double
To data communication.
Embodiment 2：A kind of Monitoring and Alarming System of Marine Engine Room, the host computer unit is also by Ethernet and at least
The extension alarm unit connection of one.The host computer unit, communication unit, collecting unit DPU and sensor use UPS not
The power module of uninterruptible power and main power source is powered.The A/D conversion circuits use AD7710 chips, in AD7710 chips
AVDD interfaces are connected with+5V power supplys, and are parallel with connection circuit the capacitance C63 of 1 μ F/50V of ground connection, 100 μ F/50V
Capacitance C64；The DVDD interfaces are connected with+5V power supplys, and are parallel with connection circuit the capacitance of 100 μ F/50V of ground connection
C69；Input terminal AIN1, AIN2 are used to convert analog signals into serial data output.The CAN interface of the interchanger is adopted
With STM32F103ZET6 chips.The structure and connection relation of remainder and the structure described in any previous embodiment and company
It is identical to connect relation.
In view of above-described embodiment, when in use, its course of work and principle are as follows by the application：
The purpose of this utility model is to provide a kind of monitoring alarm for the monitoring of ship oneself state, it is used
Double-layer network is set, including information gathering layer and information processing alarming layer, and wherein information gathering layer is using CAN bus conduct
Messaging interface, can so ensure positioned at ship diverse location dissimilar sensor can stable delivery signal, no
Influenced by exterior adverse circumstances.And in order to ensure the transmission of alarm signal after signal processing and the multiple monitoring, alarming points of extension,
Data transfer is carried out using Ethernet on information processing alarming layer, ensure that the real-time of amount of transmitted information and information transmission.
And realize the device changed between CAN bus and Ethernet using communication unit, institute in the utility model
Stating communication unit includes interchanger and communication device, such as the bidirectional protocol modular converter of the TCP/IP into strange CN100, it is provided
The transparent transmission of data between CAN to TCP/IP networks.The converter provides 10M Ethernet interfaces upwards, provides 1 downwards
CAN mouthfuls, 16KByte serial ports caching (receiving and dispatching each 8KByte).CAN mouthfuls of baud rates support 22 kinds of common ripples altogether from 10K~1000K
Special rate.CN-100 supports static and dynamic IP addressing, needs to set IP address, subnet mask and acquiescence net in a static mode
Close；In a dynamic mode, converter is from trend Dynamic Host Configuration Protocol server application IP address.
After the dissimilar sensor positioned at ship diverse location gathers the analog signals monitored, pass through CAN
Bus is transferred to the conversion that A/D conversion circuits carry out analog quantity and digital quantity, and the digital quantity signal after converting is transferred to light
Electric isolating circuit.Photoelectric isolating circuit is to reduce the interference between input or output signal, ensures information in transmittance process
In stability, reduce environmental noise, so setting can ensure not interfereing with each other between multiline message input quantity, so as to ensure that
Monitoring system is carried out at the same time multiple signals monitoring, improves the monitoring point of monitoring system.
Collect by the digital quantity signal of photoelectric isolating circuit to collecting unit DPU, after collecting unit DPU collects signal
Communication unit is transferred to by CAN bus, by communication unit after the protocol conversion of Ethernet and CAN bus, by CAN bus
The Ethernet interface standard of upper layer network needs is converted to, host computer receives the letter from information gathering layer by communication unit
After number, it is compared with the configuration information inside host computer, when needing to send alarm signal, by Ethernet by alarm signal
It is transferred to extension alarm unit.Extension alarm unit is located at crewman storehouse, dining room, the diverse location for driving the propagation such as room, easy to ship
Member understands alarm signal and is handled in time.
And in order to ensure the stability of whole system, in system architecture using host by the way of guest machine is combined.
I.e. host computer, unit, communication unit, collecting unit DPU include host and guest machine, are carried out between host and guest machine two-way
Data communication.When one of link or device break down, guest machine can switch in time, ensure the normal of system
Operation.At the same time, CAN bus uses Redundancy Design in the design process, ensures that the signal acquisition of information gathering link is stablized
Property, and more I/O ports are added under communication module effect, the collection points of information gathering layer are greatly improved, are improved
The scalability and complexity of system.
Claims (5)
- A kind of 1. Monitoring and Alarming System of Marine Engine Room, it is characterised in that：Including host computer unit, communication unit, collecting unit DPU And dissimilar sensor, wherein the host computer unit is connected by optical fiber with communication unit, communication unit passes through CAN bus It is connected with collecting unit DPU, is additionally provided with the connection circuit of collecting unit DPU and dissimilar sensor and turns for analog quantity The A/D conversion circuits changed and the photoelectric isolating circuit for avoiding input/output signal from interfering with each other；The communication unit includes interchanger and communication module, is used for realization the communications exchange and host computer unit of host computer unit Network between collecting unit DPU separates, and interchanger is used for realization the conversion of CAN bus and optical fiber interface, and communication module is used In the transmission for realizing converted signals；The host computer unit, communication unit, collecting unit DPU include host and guest machine, between host and guest machine into Row two-way data communication.
- 2. Monitoring and Alarming System of Marine Engine Room according to claim 1, it is characterised in that：The host computer unit also passes through Ethernet is connected with least one extension alarm unit.
- 3. Monitoring and Alarming System of Marine Engine Room according to claim 1, it is characterised in that：The host computer unit, communication Unit, collecting unit DPU and sensor are using the power supply of the power module of UPS uninterrupted power sources and main power source.
- 4. Monitoring and Alarming System of Marine Engine Room according to claim 1, it is characterised in that：The A/D conversion circuits use AD7710 chips ,+5V power supplys are connected with the AVDD interfaces of AD7710 chips, and 1 μ F/ of ground connection are parallel with connection circuit The capacitance C64 of the capacitance C63 of 50V, 100 μ F/50V；The DVDD interfaces are connected with+5V power supplys, and in parallel on connection circuit There is the capacitance C69 of 100 μ F/50V of ground connection；Input terminal AIN1, AIN2 are used to convert analog signals into serial data output.
- 5. Monitoring and Alarming System of Marine Engine Room according to claim 4, it is characterised in that：The CAN bus of the interchanger Interface uses STM32F103ZET6 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417087.8U CN207339925U (en) | 2017-10-29 | 2017-10-29 | Monitoring and Alarming System of Marine Engine Room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417087.8U CN207339925U (en) | 2017-10-29 | 2017-10-29 | Monitoring and Alarming System of Marine Engine Room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339925U true CN207339925U (en) | 2018-05-08 |
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ID=62364089
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721417087.8U Active CN207339925U (en) | 2017-10-29 | 2017-10-29 | Monitoring and Alarming System of Marine Engine Room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766029A (en) * | 2021-09-11 | 2021-12-07 | 上海泷洋船舶科技有限公司 | Ship Internet of things monitoring system |
-
2017
- 2017-10-29 CN CN201721417087.8U patent/CN207339925U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766029A (en) * | 2021-09-11 | 2021-12-07 | 上海泷洋船舶科技有限公司 | Ship Internet of things monitoring system |
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