CN209316874U - A kind of ship fire proof wind sluice monitoring system - Google Patents
A kind of ship fire proof wind sluice monitoring system Download PDFInfo
- Publication number
- CN209316874U CN209316874U CN201822101178.1U CN201822101178U CN209316874U CN 209316874 U CN209316874 U CN 209316874U CN 201822101178 U CN201822101178 U CN 201822101178U CN 209316874 U CN209316874 U CN 209316874U
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- China
- Prior art keywords
- air lock
- monitoring system
- fire proof
- state detection
- lock state
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Abstract
The utility model discloses a kind of ship fire proof wind sluice monitoring system, which includes host computer and the slave computer installed on each ventilation shaft inner wall, air lock state detection module, temperature sensor, smoke sensor device;Slave computer includes core processor and RS485 communication interface circuit;The monitoring programme of host computer is realized using free LabVIEW software programming, solves the not high problem of monitoring intelligent degree of marine fireproof air lock, host computer passes through RS485 communication interface circuit and slave computer two-way communication, only need 2 Capacitance Unbalance in Telecom Cables, number of cables is greatly decreased, reduces the cost of whole system.
Description
Technical field
The utility model relates to air lock monitoring technology fields, more particularly to a kind of ship fire proof wind sluice monitoring system.
Background technique
Currently, air lock switch state mainly switchs the feedback signal to form 2 road 24V by normally opened passive contact, pass through
Cable is directly sent to PLC, and the display of each air lock state is realized by configuration software.Using this monitoring method by feedback signal
It is attached directly to PLC, needs a large amount of cable, and its intelligent and networking degree is lower, can only obtain the open and close shape of air lock
State, can not temperature to air in pipeline and smokescope be measured in real time, air lock is carried out according to detection case intelligent
Switch control.Simultaneously mainstream configuration software it is either expensive otherwise realize function it is limited, system cost is higher.
Utility model content
The purpose of the utility model is to provide a kind of ship fire proof wind sluice monitoring system, which only needs 2 communication electricity
Cable is greatly decreased number of cables, while using free LabVIEW software programming ipc monitor program, not only solves
The not high problem of the monitoring intelligent degree of marine fireproof air lock, and reduce the cost of whole system.
To achieve the above object, the utility model provides following scheme:
A kind of ship fire proof wind sluice monitoring system, including host computer and the bottom installed on each ventilation shaft inner wall
Machine, air lock state detection module, temperature sensor, smoke sensor device;
The monitoring programme of the host computer is realized using LabVIEW software programming;
The slave computer includes core processor and RS485 communication interface circuit;The host computer is logical by the RS485
Believe interface circuit and the slave computer two-way communication;
The air lock state detection module, the temperature sensor, the smoke sensor device by signal wire and it is described under
Position machine connection;The air lock state detection module, the temperature sensor, the smoke sensor device are respectively positioned on close to fire proof wind sluice
Place.
Optionally, the RS485 communication interface circuit is connect by two Capacitance Unbalance in Telecom Cables with the host computer.
Optionally, Modbus communication protocol is stored in the slave computer;The Modbus communication protocol is for encapsulating institute
State the data that slave computer is obtained from the air lock state detection module, the temperature sensor, the smoke sensor device.
Optionally, the host computer is industrial control computer.
Optionally, the core processor is the 15W404AS single-chip microcontroller of STC Corporation.
Optionally, the temperature sensor is 1-wire digital temperature sensor;The 1-wire digital temperature sensor
Model DS18B20.
Optionally, the smoke sensor device is MQ-2 gas sensor.
Optionally, the air lock state detection module includes air lock state detection circuit plate and magnet;The air lock state
There are two mutually perpendicular tongue tubes for installation in detection circuit board;The magnet is mounted on the inside of air lock blade;The air lock
State detection circuit sleeve-board is hung in the shaft of the air lock blade, and vertical with the air lock blade.
Optionally, circular hole is offered on the air lock state detection circuit plate, the air lock state detection circuit plate passes through
The circular hole set is hung in the shaft of the air lock blade;The circular hole is located at the point of intersection of the extended line of two tongue tubes.
Optionally, the model MAX3085 of the RS485 communication interface circuit.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
The utility model provides a kind of ship fire proof wind sluice monitoring system, which includes host computer and lead to each
Slave computer, air lock state detection module, the temperature sensor, smoke sensor device installed on air piping inner wall;Slave computer includes core
Heart processor and RS485 communication interface circuit;The monitoring programme of host computer is realized using free LabVIEW software programming, is solved
It has determined the not high problem of monitoring intelligent degree of marine fireproof air lock,
Host computer passes through RS485 communication interface circuit and slave computer two-way communication, it is only necessary to 2 Capacitance Unbalance in Telecom Cables, substantially
Number of cables is reduced, the cost of whole system is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural block diagram of the utility model embodiment ship fire proof wind sluice monitoring system;
Fig. 2 is the utility model embodiment tongue tube arrangement schematic diagram;
Fig. 3 is the utility model embodiment air lock state detection circuit figure;
Fig. 4 is the utility model embodiment RS485 communication interface circuit figure;
Fig. 5 is the utility model embodiment ship fire proof wind sluice monitoring system host computer interface figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is the structural schematic diagram of the utility model embodiment ship fire proof wind sluice monitoring system, as shown in Figure 1, this is
System includes host computer 1 and slave computer 2, the air lock state detection module 3, temperature sensing installed on each ventilation shaft inner wall
Device 4, smoke sensor device 5.
The monitoring programme of host computer 1 is realized using LabVIEW software programming.
Slave computer 2 includes core processor and RS485 communication interface circuit.Host computer 1 passes through RS485 communication interface circuit
With 2 two-way communication of slave computer, realizing slave computer 2 can be with by RS485 communication interface circuit and two Capacitance Unbalance in Telecom Cables
1 connection communication of host computer, reduces system cost.
Air lock state detection module 3, temperature sensor 4, smoke sensor device 5 are connect by signal wire with slave computer 2, and
Air lock state detection module 3, temperature sensor 4, smoke sensor device 5 are respectively positioned at fire proof wind sluice.
This monitoring system uses master-slave control method.Host computer 1 is main equipment, issues control command by 485 buses.Under
Position machine communication node is to acquire the temperature and smokescope of air in the switch state and ventilation shaft of air lock, root from equipment
According to received order, the data of acquisition are encapsulated using Modbus communication protocol, and send host computer 1 to by 485 buses, or
Person executes corresponding movement.
In view of the size of ship, each monitoring point is apart from distant on large ship, for the effective biography for guaranteeing signal
It is defeated, when apart from host computer farther out, in addition repeater carries out signal transmission.
As a kind of preferential embodiment, this monitoring system is using industrial control computer as host computer 1.
As a kind of preferential embodiment, this monitoring system is using the 15W404AS single-chip microcontroller of STC Corporation as slave computer 2
In core processor.
As a kind of preferential embodiment, temperature sensor 4 is placed on ventilation shaft inner wall, close to fire proof wind sluice, is led to
Signal wire is crossed to be connected with the mainboard of slave computer 2.The temperature sensor 4 of this monitoring system selects 1-wire digital temperature sensor
The precision of DS18B20, DS18B20 measurement result has programmable warning function, and will not be because of electricity up to providing 9-12
Source disappears and changes.DS18B20 realizes two-way communication by monobus, therefore only needs between core processor and DS18B20
One connecting line can be realized.
As a kind of preferential embodiment, smoke sensor device 5 is placed on ventilation shaft inner wall, close to fire proof wind sluice, is led to
Signal wire is crossed to be connected with the mainboard of slave computer 2.The smoke sensor device 5 of this monitoring system is using MQ-2 gas sensor to ventilation duct
Smokescope is acquired in road.
As a kind of preferential embodiment, air lock state detection module 3 includes air lock state detection circuit plate and magnet;Wind
There are two mutually perpendicular tongue tubes for installation on lock state detection module 3, as shown in Figure 2;Magnet is mounted on the interior of air lock blade
Side;Air lock state detection circuit sleeve-board is hung in the shaft of air lock blade, and vertical with the air lock blade.Specially air lock shape
Circular hole is offered in state detection circuit board, air lock state detection circuit plate is hung over by circular hole set in the shaft of air lock blade;Circle
Hole is located at the point of intersection of the extended line of two tongue tubes.
Two tongue tubes are placed at an angle of 90, and with the rotation that air lock switchs, the tongue tube in 2 directions is by the big of magnetic force
It is small inconsistent, it will lead to 2 tongue tubes and be respectively at turn-on and turn-off state, so just by the state of 2 tongue tubes of detection
It is known that the switch state of air lock.
The specific state detection circuit of air lock state detection circuit plate as shown in figure 3,2 tongue tubes connect respectively J3 2,
3 feet, 1 foot are connected to the ground.2, the 3 foot output voltages of J3 are the high and low level of TTL respectively, can be directly sent to the I/O of single-chip microcontroller
Mouth is detected, then carries out Current amplifier by ULN2003L, and switch state can be directly sent to PLC, can also directly drive
The indicator light of 24V directly displays the state of air lock with indicator light.
As a kind of preferential embodiment, the communication of slave computer 2 and host computer 1 considers that transmission range is total using RS485
Line realizes 485 interface circuit designs of single-chip microcontroller using MAX3085.MAX3085 is the half-duplex transmitting-receiving of a 5V operating voltage
Device, meets the electrical regulation of RS-422 and RS-485 interface, peak transfer rate 2.5Mbps, and bus allows up to 256 receipts
Send out device.Its circuit design is as shown in Figure 4.
As a kind of preferential embodiment, the operation interface of air lock monitoring system host computer is as shown in Figure 5.It is main to complete wind
The operations such as the acquisition of lock data is shown, manual setting air lock switchs.
1 programming of host computer mainly includes four modules: communication, data frame analyzing based on Modbus agreement, manually
Control, data access.Host computer 1 realizes the communication of Modbus agreement by serial ports, is realized by functional node VISA.It is upper
Machine 1 first carries out CRC16 verification to received data frame, if illustrating that reception data are correct by CRC check, data frame being carried out
Parsing, the temperature of air in switch state and pipeline and smokescope are shown, if being verified not over CRC16, explanation
It is wrong to receive data, host computer 1 retransmits order and is inquired, if 3 received data cannot be verified by CRC16,
Then illustrate that the communication of 2 node of slave computer is problematic, indicator light is shown with grey black.Manual control module, system real-time display are each
The pipe temperature and smokescope value of a air lock, operator on duty can manually switch off relevant wind with experience according to the actual situation
Lock prevents the sprawling of the intensity of a fire.The data of acquisition are stored, collected switch state, temperature and smokescope value are protected
It is stored in Access database, facilitates user to recall historical data from now on and carry out access research.
The software design of slave computer 2 mainly includes three modules: the communication and data acquisition module based on Modbus agreement
(detection of the temperature detection and smokescope of air in the detection of air lock state, pipeline), Frame processes module.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model;Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of ship fire proof wind sluice monitoring system, which is characterized in that including host computer and on each ventilation shaft inner wall
Slave computer, air lock state detection module, the temperature sensor, smoke sensor device of installation;
The monitoring programme of the host computer is realized using LabVIEW software programming;
The slave computer includes core processor and RS485 communication interface circuit;The host computer is connect by RS485 communication
Mouth circuit and the slave computer two-way communication;
The air lock state detection module, the temperature sensor, the smoke sensor device pass through signal wire and the slave computer
Connection;The air lock state detection module, the temperature sensor, the smoke sensor device are respectively positioned at fire proof wind sluice.
2. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that the RS485 communication interface electricity
Road is connect by two Capacitance Unbalance in Telecom Cables with the host computer.
3. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that be stored in the slave computer
Modbus communication protocol;The Modbus communication protocol is for encapsulating the slave computer from the air lock state detection module, institute
State temperature sensor, the data that the smoke sensor device obtains.
4. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that the host computer is industry control calculating
Machine.
5. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that the core processor is STC
The 15W404AS single-chip microcontroller of company.
6. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that the temperature sensor is single total
Line digital temperature sensor;The model DS18B20 of the 1-wire digital temperature sensor.
7. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that the smoke sensor device is MQ-2
Gas sensor.
8. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that the air lock state detection module
Including air lock state detection circuit plate and magnet;There are two mutually perpendicular dry springs for installation on the air lock state detection circuit plate
Pipe;The magnet is mounted on the inside of air lock blade;The air lock state detection circuit sleeve-board hangs over turning for the air lock blade
On axis, and it is vertical with the air lock blade.
9. ship fire proof wind sluice monitoring system according to claim 8, which is characterized in that the air lock state detection circuit
Circular hole is offered on plate, the air lock state detection circuit plate is hung over by the circular hole set in the shaft of the air lock blade;
The circular hole is located at the point of intersection of the extended line of two tongue tubes.
10. ship fire proof wind sluice monitoring system according to claim 1, which is characterized in that the RS485 communication interface electricity
The model MAX3085 on road.
Priority Applications (1)
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CN201822101178.1U CN209316874U (en) | 2018-12-14 | 2018-12-14 | A kind of ship fire proof wind sluice monitoring system |
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CN201822101178.1U CN209316874U (en) | 2018-12-14 | 2018-12-14 | A kind of ship fire proof wind sluice monitoring system |
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CN209316874U true CN209316874U (en) | 2019-08-30 |
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CN201822101178.1U Expired - Fee Related CN209316874U (en) | 2018-12-14 | 2018-12-14 | A kind of ship fire proof wind sluice monitoring system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110538402A (en) * | 2019-09-03 | 2019-12-06 | 中船黄埔文冲船舶有限公司 | Fireproof air brake base with observation hole |
-
2018
- 2018-12-14 CN CN201822101178.1U patent/CN209316874U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110538402A (en) * | 2019-09-03 | 2019-12-06 | 中船黄埔文冲船舶有限公司 | Fireproof air brake base with observation hole |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20201214 |
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CF01 | Termination of patent right due to non-payment of annual fee |