CN208126178U - A kind of ship cold storage monitoring system - Google Patents
A kind of ship cold storage monitoring system Download PDFInfo
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- CN208126178U CN208126178U CN201820692201.6U CN201820692201U CN208126178U CN 208126178 U CN208126178 U CN 208126178U CN 201820692201 U CN201820692201 U CN 201820692201U CN 208126178 U CN208126178 U CN 208126178U
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- temperature
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- current stresses
- cold storage
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Abstract
The utility model relates to a kind of ship cold storage monitoring systems, including host computer, main website, temperature of ice house acquisition station, current stresses acquisition station, remote I/O station, temperature patrol inspection device, temperature, pressure transmitter and refrigeration equipment controller, host computer connects PLC module, PLC module is separately connected temperature of ice house acquisition station, current stresses acquisition station and remote I/O station by Profibus-DP bus, temperature patrol inspection device connects temperature of ice house acquisition station, temperature, pressure transmitter connects current stresses acquisition station, and refrigeration equipment controller connects remote I/O station.The utility model realizes the networked control to freezer production process using PLC by Profibus-DP fieldbus, improve the accuracy and reliability of system, fundamentally improve the accuracy of measurement and control, reduce transmission error, the round-trip transmission for reducing signal improves the functional reliability of system；System structure design is simple, is easy to reconstruct.
Description
Technical field
The utility model relates to automatic control system technical field more particularly to a kind of ship cold storage monitoring systems.
Background technique
The refrigeration monitoring system of current large cold storage peculiar to vessel mainly uses artificial or centralized control system, controller and existing
A large amount of I/O cable connection is leaned between field device, is not only increased cost, is also increased the unreliability of system.Control system passes
4~20mA analog signals are sent, and with this monitoring site equipment, since controller acquisition information content is limited, field level equipment
On-line fault diagnosis, alarm, writing function are weaker；The measurement and control accuracy of analog signal is lower, influences in field instrument
The functional reliability of portion's function and system, system structure are complicated, influence the production efficiency of freezer, and bring to production management many
It is inconvenient.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of ship cold storage monitoring system, to solve in the prior art
Deficiency.
In order to achieve the above object, the purpose of this utility model is achieved through the following technical solutions：
A kind of ship cold storage monitoring system, including the acquisition of host computer, main website, temperature of ice house acquisition station, current stresses are provided
Stand, remote I/O station, temperature patrol inspection device, temperature, pressure transmitter and refrigeration equipment controller, the main website include power module,
PLC module, analog output module, digital quantity input module and digital quantity output module, the host computer have with MPI mouthfuls
Communication network card, for the host computer by the described MPI mouthfuls connection PLC module, the PLC module is total by Profibus-DP
Line is separately connected the temperature of ice house acquisition station, the current stresses acquisition station and the remote I/O station, the temperature patrol inspection device
The temperature of ice house acquisition station is connected, the temperature, pressure transmitter connects the current stresses acquisition station, the refrigeration equipment
Controller connects the remote I/O station.
Further, above-mentioned ship cold storage monitoring system, the temperature patrol inspection device are based on timesharing driving sample circuit and realize.
Further, above-mentioned ship cold storage monitoring system, further includes text display, the temperature of ice house acquisition station and institute
It states current stresses acquisition station and is connected separately with the text display.
Further, above-mentioned ship cold storage monitoring system, the main website select S7-300PLC, the temperature of ice house acquisition
It stands, the current stresses acquisition station is all made of S7-200PLC.
Compared with the prior art, the beneficial effects of the utility model are：
The networked control to freezer production process is realized by Profibus-DP fieldbus using PLC, is reduced big
Amount wiring, improves the accuracy and reliability of system, due to the intelligence of field bus device, digitlization, with analog signal
It compares, fundamentally improves the accuracy of measurement and control, reduce transmission error；Since the structure of system simplifies, equipment
It is reduced with line, field instrument built-in function is reinforced, and reduces the round-trip transmission of signal, improves the functional reliability of system；
System structure design is simple, is easy to reconstruct.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing：
Fig. 1 shows the structural schematic diagram of the utility model ship cold storage monitoring system；
Fig. 2 shows the structural schematic diagrams of the temperature patrol inspection device of the utility model.
In figure：1, host computer；2, main website；3, temperature of ice house acquisition station；4, current stresses acquisition station；5, remote I/O station；6,
Temperature patrol inspection device；7, temperature, pressure transmitter；8, refrigeration equipment controller；9, text display；61, temp probe part；62,
Inspection switching part；63, data processing section；64, temperature transmitter
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 creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Refering to what is shown in Fig. 1, the utility model ship cold storage monitoring system includes host computer 1, main website 2, temperature of ice house acquisition
It stands 3, current stresses acquisition station 4, remote I/O station 5, temperature patrol inspection device 6, temperature, pressure transmitter 7 and refrigeration equipment controller 8,
Main website 2 includes power module, PLC module, analog output module, digital quantity input module and digital quantity output module, upper
Machine 1 has the communication network card with MPI mouthfuls, and for host computer 1 by MPI mouthfuls of connection PLC modules, PLC module is total by Profibus-DP
Line is separately connected temperature of ice house acquisition station 3, current stresses acquisition station 4 and remote I/O station 5, and temperature patrol inspection device 6 connects temperature of ice house
Acquisition station 3, temperature, pressure transmitter 7 connect current stresses acquisition station 4, and refrigeration equipment controller 8 connects remote I/O station 5.
In the technical program, between freezer has six, therefore two temperature of ice house acquisition stations 3 are used, main website 2 selects S7-
300PLC, temperature of ice house acquisition station 3, current stresses acquisition station 4 are all made of S7-200PLC, temperature of ice house acquisition station 3 and electric current pressure
Power acquisition station 4 all has EM277 communication module, between main website 2 and temperature of ice house acquisition station 3, current stresses acquisition station 4
Profibus-DP communication is to be made the CPU226 of temperature of ice house acquisition station 3, current stresses acquisition station 4 by EM277 communication module
It is realized for DP slave station.Magnificent industrial personal computer is ground in the selection of host computer 1, and main website 2 includes power module PS307, PLC module CPU315-
2DP, analog output module SM332, digital quantity input module SM321 and digital quantity output module SM322.Host computer 1 is selected
The configuration of various pictures can be achieved, realize browsing data, parameter setting, hand/be automatically brought into operation, fault alarm, historgraphic data recording
Deng operation.
Referring to shown in Fig. 2, temperature patrol inspection device 6 is based on timesharing driving sample circuit and realizes, specifically includes temp probe part
61, inspection switching part 62 and data processing section 63, centre are temperature transmitter 64.This monitoring system further includes that text is shown
Device 9 (TD200), temperature of ice house acquisition station 3 and current stresses acquisition station 4 are connected separately with text display 9, can be with inspection on the scene
Each temperature value and other information.
From above-described embodiment as can be seen that the advantage of the utility model is：
The networked control to freezer production process is realized by Profibus-DP fieldbus using PLC, is reduced big
Amount wiring, improves the accuracy and reliability of system, due to the intelligence of field bus device, digitlization, with analog signal
It compares, fundamentally improves the accuracy of measurement and control, reduce transmission error；Since the structure of system simplifies, equipment
It is reduced with line, field instrument built-in function is reinforced, and reduces the round-trip transmission of signal, improves the functional reliability of system；
System structure design is simple, is easy to reconstruct.
Specific embodiment of the utility model is described in detail above, but the utility model be not restricted to it is above
The specific embodiment of description, it is merely an example.To those skilled in the art, any equivalent modifications and substitution be also all
Among the scope of the utility model.Therefore, equal transformation made under the spirit and scope for not departing from the utility model
And modification, should all it cover in the scope of the utility model.
Claims (4)
1. a kind of ship cold storage monitoring system, which is characterized in that including host computer, main website, temperature of ice house acquisition station, current stresses
Acquisition station, remote I/O station, temperature patrol inspection device, temperature, pressure transmitter and refrigeration equipment controller, the main website include power supply mould
Block, PLC module, analog output module, digital quantity input module and digital quantity output module, the host computer have band MPI
The communication network card of mouth, the host computer pass through Profibus- by the described MPI mouthfuls connection PLC module, the PLC module
DP bus is separately connected the temperature of ice house acquisition station, the current stresses acquisition station and the remote I/O station, the temperature and patrols
It examines device and connects the temperature of ice house acquisition station, the temperature, pressure transmitter connects the current stresses acquisition station, the refrigeration
Device controller connects the remote I/O station.
2. ship cold storage monitoring system as described in claim 1, which is characterized in that the temperature patrol inspection device is based on timesharing driving and adopts
Sample circuit is realized.
3. ship cold storage monitoring system as described in claim 1, which is characterized in that it further include text display, the freezer temperature
Degree acquisition station and the current stresses acquisition station are connected separately with the text display.
4. ship cold storage monitoring system as described in claim 1, which is characterized in that the main website selects S7-300PLC, described cold
Library temperature acquisition station, the current stresses acquisition station are all made of S7-200PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692201.6U CN208126178U (en) | 2018-05-10 | 2018-05-10 | A kind of ship cold storage monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692201.6U CN208126178U (en) | 2018-05-10 | 2018-05-10 | A kind of ship cold storage monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208126178U true CN208126178U (en) | 2018-11-20 |
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| CN201820692201.6U Active CN208126178U (en) | 2018-05-10 | 2018-05-10 | A kind of ship cold storage monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110096016A (en) * | 2019-06-07 | 2019-08-06 | 兰州理工大学 | A kind of large cold storage FCS complex control system and fuzzy control method |
| CN111007790A (en) * | 2019-11-20 | 2020-04-14 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | Ship damage management monitoring reliability improvement design system and method |
| CN111336767A (en) * | 2020-03-03 | 2020-06-26 | 逸励实业(上海)有限公司 | Remote control and data acquisition system and method for refrigeration house system |
-
2018
- 2018-05-10 CN CN201820692201.6U patent/CN208126178U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110096016A (en) * | 2019-06-07 | 2019-08-06 | 兰州理工大学 | A kind of large cold storage FCS complex control system and fuzzy control method |
| CN111007790A (en) * | 2019-11-20 | 2020-04-14 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | Ship damage management monitoring reliability improvement design system and method |
| CN111336767A (en) * | 2020-03-03 | 2020-06-26 | 逸励实业(上海)有限公司 | Remote control and data acquisition system and method for refrigeration house system |
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