CN113883821B - Four-pole type refrigerator monitoring system - Google Patents

Four-pole type refrigerator monitoring system Download PDF

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Publication number
CN113883821B
CN113883821B CN202111180036.9A CN202111180036A CN113883821B CN 113883821 B CN113883821 B CN 113883821B CN 202111180036 A CN202111180036 A CN 202111180036A CN 113883821 B CN113883821 B CN 113883821B
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Prior art keywords
refrigerator
monitoring system
disconnected
refrigerating box
alarm
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CN202111180036.9A
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CN113883821A (en
Inventor
沈恺
杨金国
严兴春
顾颖
陈驹
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Chengxi Shipyard Co Ltd
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Chengxi Shipyard Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/26—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for frozen goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention discloses a novel quadrupole type refrigerating box monitoring system which comprises a cabin monitoring terminal, a ZigBee coordinator and a plurality of ZigBee terminal nodes, wherein the ZigBee coordinator is connected with the cabin monitoring terminal, the ZigBee terminal nodes are connected with a refrigerating box data acquisition unit used for acquiring refrigerating box data, and the refrigerating box data acquisition unit is respectively arranged at the data acquisition position of a refrigerating box; compared with the conventional four-core interface system, the monitoring system designed by the invention saves 1-2 signal monitoring points, the more the number of the refrigerating boxes is, the more the length of the saved acquisition module and cable is, meanwhile, compared with the PCT system, the scheme is more convenient to implement, and because the container packing rate of the PCT module is low, if the refrigerating container is not provided with the PCT module, the PCT module is required to be added in a socket box or an acquisition station, and the early-stage investment is very large, so that compared with the conventional system, the four-pole type refrigerating box monitoring system designed by the invention saves over 10 ten thousand dollars per ship.

Description

Four-pole type fridge monitoring system
Technical Field
The invention relates to the technical field of refrigerated container ships, in particular to a quadrupole type refrigerated container monitoring system.
Background
The 910 RFEU refrigerated container ship route is mainly a route from south America to North America, the route is fixed, the route is relatively short, meanwhile, a shipowner has a wharf yard, all container data are filed on the ship, for the loading and the transportation of the refrigerated containers, the most important monitoring data is whether the refrigerated containers operate in a normal temperature range, other monitoring details only play a certain auxiliary role, in addition, the cargo loaded and transported by the shipowner is mainly fruits, for the route and the cargo transportation, the real-time remote monitoring data on the refrigerated container ship is not high in requirement, and only a remote control prompt is needed to indicate which container temperature or power supply is abnormal, and a shipman can check the abnormal condition on the spot.
However, most of the conventional monitoring systems in the market currently adopt PCT systems, the container packing rate of PCT modules is low, and if the refrigerated container does not have PCT modules, the PCT modules need to be added in a receptacle box or a collection station, which results in a very large early-stage investment.
Disclosure of Invention
The invention aims to provide a quadrupole type refrigerating box monitoring system to solve the problem of low container packing rate of the traditional PCT system.
In order to achieve the purpose, the invention provides the following technical scheme: a quadrupole refrigeration container monitoring system, comprising:
an engine room monitoring terminal;
the ZigBee coordinator is connected with the cabin monitoring terminal;
the refrigerator comprises a plurality of ZigBee terminal nodes connected with a ZigBee coordinator, wherein the ZigBee terminal nodes are electrically connected with a refrigerator data acquisition unit used for acquiring refrigerator data, and the refrigerator data acquisition unit is respectively arranged on the data acquisition positions of the refrigerators.
Preferably, the refrigeration box data acquisition unit comprises a sensor unit and a socket circuit breaker, and the sensor unit and the socket circuit breaker are electrically connected with the ZigBee terminal nodes respectively.
Preferably, the cabin monitoring terminal comprises a data processing module, a display unit and an alarm unit, and the data processing module is electrically connected with the display unit and the alarm unit respectively.
Preferably, the cabin monitoring terminal further comprises a data storage module, and the data storage module is electrically connected with the data processing module.
Preferably, the data processing module is used for processing and analyzing the refrigerator data transmitted by the refrigerator data acquisition unit through the ZigBee terminal node and the ZigBee coordinator.
Preferably, the display unit is used for displaying the fault information of the refrigerating box.
Preferably, the alarm unit is used for alarming the known fault information of the refrigerating box.
Preferably, the data storage module is used for storing container data information, and the container data information is whether the refrigerated container operates in a normal temperature range.
Preferably, the display unit is a liquid crystal display screen.
Preferably, the alarm unit is a sound-light alarm.
Compared with the prior art, the invention has the beneficial effects that:
compared with the conventional four-core interface system, the monitoring system designed by the invention saves 1~2 signal monitoring points, the more the number of cold boxes is, the more the length of the acquisition module and the cable is saved, meanwhile, compared with the PCT system, the scheme is more convenient to implement, and because the container packing rate of the PCT module is low, if the refrigerated container is not provided with the PCT module, the PCT module is required to be added in a socket box or an acquisition station, and the early-stage investment is very large, so that compared with the conventional system, the four-pole type refrigerating box monitoring system designed by the invention saves more than 10 dollars per million per ship.
Drawings
FIG. 1 is a block diagram of the system architecture of the present invention;
FIG. 2 is a schematic view of the refrigerator monitor of the present invention;
FIG. 3 is a schematic view of the refrigerator monitor of the present invention;
FIG. 4 is a schematic view of the refrigerator monitor of the present invention;
FIG. 5 is a schematic view of the refrigerator monitor of the present invention;
fig. 6 is a network diagram of the refrigeration monitoring alarm system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the quadrupole type refrigerating box monitoring system comprises an engine room monitoring terminal, a ZigBee coordinator connected with the engine room monitoring terminal and a plurality of ZigBee terminal nodes connected with the ZigBee coordinator.
The ZigBee terminal node is electrically connected with a refrigerating box data acquisition unit used for acquiring refrigerating box data, and the refrigerating box data acquisition unit is respectively arranged on the data acquisition positions of the refrigerating boxes.
The refrigeration box data acquisition unit comprises a sensor unit and a socket circuit breaker, and the sensor unit and the socket circuit breaker are electrically connected with the ZigBee terminal nodes respectively.
In this embodiment, specifically, the sensor unit includes a temperature sensor, a humidity sensor, and a gas concentration sensor.
The cabin monitoring terminal comprises a data processing module, a display unit and an alarm unit, wherein the data processing module is electrically connected with the display unit and the alarm unit respectively.
In this embodiment, the data processing module specifically uses an FPGA chip.
Furthermore, the data processing module is used for processing and analyzing the refrigerator data transmitted by the refrigerator data acquisition unit through the ZigBee terminal node and the ZigBee coordinator.
In this embodiment, specifically, the display unit is specifically a liquid crystal display.
Further, the display unit is used for displaying the fault information of the refrigerating box.
In this embodiment, the alarm unit is specifically an audible and visual alarm.
Further, the alarm unit is used for alarming the known fault information of the refrigerating box.
The cabin monitoring terminal further comprises a data storage module, and the data storage module is electrically connected with the data processing module.
Further, the data storage module is used for storing container data information, and the container data information indicates whether the refrigerated container operates in a normal temperature range.
Example 1:
referring to fig. 2, the present invention provides a technical solution: the four-pole type refrigerating box monitoring system comprises an engine room monitoring terminal, a ZigBee coordinator connected with the engine room monitoring terminal and a plurality of ZigBee terminal nodes connected with the ZigBee coordinator.
The ZigBee terminal node is electrically connected with a refrigerating box data acquisition unit used for acquiring refrigerating box data, and the refrigerating box data acquisition unit is respectively arranged on the data acquisition positions of the refrigerating boxes.
The refrigeration box data acquisition unit comprises a sensor unit and a socket circuit breaker, and the sensor unit and the socket circuit breaker are electrically connected with the ZigBee terminal nodes respectively.
The cabin monitoring terminal comprises a data processing module, a display unit and an alarm unit, wherein the data processing module is electrically connected with the display unit and the alarm unit respectively.
In this embodiment, the monitoring status is specifically as follows:
-K1 is the trip signal contact of the fridge socket circuit breaker;
-K2 is the closing signal contact of the fridge socket circuit breaker;
k3 is the "Normal temperature (IN RANG)" AC24V signal contact of the refrigerator.
The refrigerating socket circuit breaker is switched on, the contact K2 is closed, the contact K1 is disconnected, a signal of 'IN normal temperature (IN RANG)' of the refrigerating box is IN a monitoring state, when the K3 contact is closed, the system does not have temperature alarm, the refrigerating box is IN a normal working state, and meanwhile, the color of an icon of the refrigerating box on the MIMIC picture of the display unit is converted into green.
Example 2:
referring to fig. 3, the present invention provides a technical solution: the quadrupole type refrigerating box monitoring system comprises an engine room monitoring terminal, a ZigBee coordinator connected with the engine room monitoring terminal and a plurality of ZigBee terminal nodes connected with the ZigBee coordinator.
The ZigBee terminal node is electrically connected with a refrigerating box data acquisition unit used for acquiring refrigerating box data, and the refrigerating box data acquisition unit is respectively arranged on the data acquisition positions of the refrigerating boxes.
The refrigerating box data acquisition unit comprises a sensor unit and a socket circuit breaker, and the sensor unit and the socket circuit breaker are electrically connected with the ZigBee terminal nodes respectively.
The cabin monitoring terminal comprises a data processing module, a display unit and an alarm unit, wherein the data processing module is electrically connected with the display unit and the alarm unit respectively.
In this embodiment, the monitoring status is specifically as follows:
-K1 is the trip signal contact of the reefer socket circuit breaker;
-K2 is the closing signal contact of the refrigerator receptacle circuit breaker;
k3 is the "Normal temperature (IN RANG)" AC24V signal contact of the refrigerator.
The refrigerating socket circuit breaker is switched on, the contact K2 is closed, the contact K1 is disconnected, signals of an IN normal temperature (IN RANG) of the refrigerating box are IN a monitoring state, when the contact K3 is disconnected, the system gives an alarm, the alarm is printed, the refrigerating box is IN an abnormal state, and meanwhile, the color of an icon of the refrigerating box on the MIMIC picture of the display unit is converted into red.
Example 3:
referring to fig. 4, the present invention provides a technical solution: the four-pole type refrigerating box monitoring system comprises an engine room monitoring terminal, a ZigBee coordinator connected with the engine room monitoring terminal and a plurality of ZigBee terminal nodes connected with the ZigBee coordinator.
The ZigBee terminal node is electrically connected with a refrigerating box data acquisition unit used for acquiring refrigerating box data, and the refrigerating box data acquisition unit is respectively arranged on the data acquisition positions of the refrigerating boxes.
The refrigeration box data acquisition unit comprises a sensor unit and a socket circuit breaker, and the sensor unit and the socket circuit breaker are electrically connected with the ZigBee terminal nodes respectively.
The cabin monitoring terminal comprises a data processing module, a display unit and an alarm unit, wherein the data processing module is electrically connected with the display unit and the alarm unit respectively.
In this embodiment, the monitoring status is specifically as follows:
-K1 is the trip signal contact of the reefer socket circuit breaker;
-K2 is the closing signal contact of the refrigerator receptacle circuit breaker;
k3 is the "Normal temperature (IN RANG)" AC24V signal contact of the refrigerator.
The refrigeration socket circuit breaker trips, the contact K2 will open, and the contact K1 closes. The power supply of the refrigerator is cut off due to the tripping of the switch, the signal of 'IN normal temperature (IN RANG)' is IN a monitoring state, the K3 contact is disconnected, the system can give an alarm, the alarm is printed, the refrigerator is IN an abnormal state, and simultaneously, the color of the refrigerator icon on the MIMIC picture of the display unit is changed into red.
Example 4:
referring to fig. 5, the present invention provides a technical solution: the four-pole type refrigerating box monitoring system comprises an engine room monitoring terminal, a ZigBee coordinator connected with the engine room monitoring terminal and a plurality of ZigBee terminal nodes connected with the ZigBee coordinator.
The ZigBee terminal node is electrically connected with a refrigerating box data acquisition unit used for acquiring refrigerating box data, and the refrigerating box data acquisition unit is respectively arranged on the data acquisition positions of the refrigerating boxes.
The refrigerating box data acquisition unit comprises a sensor unit and a socket circuit breaker, and the sensor unit and the socket circuit breaker are electrically connected with the ZigBee terminal nodes respectively.
The cabin monitoring terminal comprises a data processing module, a display unit and an alarm unit, wherein the data processing module is electrically connected with the display unit and the alarm unit respectively.
In this embodiment, the monitoring status is specifically as follows:
-K1 is the trip signal contact of the reefer socket circuit breaker;
-K2 is the closing signal contact of the refrigerator receptacle circuit breaker;
k3 is the "Normal temperature (IN RANG)" AC24V signal contact of the refrigerator.
The refrigeration socket breaker is opened, the contact K2 is disconnected, and the contact K1 is disconnected. The signal of 'IN normal temperature (IN RANG)' of the refrigerator is IN a non-monitoring state, the K3 contact is disconnected, the system does not give an alarm, the refrigerator is IN a closed state or does not have a refrigerator at the position, and the color of a refrigerator icon on a MIMIC (metal insulator semiconductor integrated circuit) graph of the display unit is changed into white.
The refrigerator monitor signal states of examples 1-4 are shown in table one:
Figure DEST_PATH_IMAGE001
the 4 states are organized in a table type, as shown in table one, it can be seen that the system only needs to identify 3 states, namely normal operation, alarm and off states, wherein socket faults and cold box faults can cause the K3 contact to be disconnected, so that the states 2 and 3 can be combined into an alarm without being distinguished, and once the alarm is given, crews need to find the reason on the spot and carry out alarm processing.
As described in the above embodiments, the monitoring system designed by the present invention saves 1~2 signal monitoring points compared with the conventional four-core interface system, the more the number of the refrigeration boxes is, the more the length of the acquisition module and the cable is saved, meanwhile, compared with the PCT system, the implementation of the scheme is more convenient, and since the container packing rate of the PCT module is low, if the refrigerated container itself has no PCT module, the PCT module needs to be added in the socket box or the acquisition station, and the early-stage commissioning is very large, so the quadruple type refrigeration box monitoring system designed by the present invention saves over 10 ten thousand dollars per ship compared with the conventional system.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. Quadrupole fridge monitoring system, its characterized in that includes:
an engine room monitoring terminal;
the ZigBee coordinator is connected with the cabin monitoring terminal;
the refrigerator comprises a plurality of ZigBee terminal nodes connected with a ZigBee coordinator, wherein the ZigBee terminal nodes are electrically connected with a refrigerator data acquisition unit for acquiring refrigerator data, and the refrigerator data acquisition units are respectively arranged at data acquisition positions of the refrigerators;
the refrigerating box data acquisition unit comprises a sensor unit and a socket circuit breaker, and the sensor unit and the socket circuit breaker are respectively electrically connected with the ZigBee terminal nodes;
the cabin monitoring terminal comprises a data processing module, a display unit and an alarm unit, wherein the data processing module is electrically connected with the display unit and the alarm unit respectively;
the monitoring states are as follows: k1 is a tripping signal contact of the refrigerator socket circuit breaker; k2 is a closing signal contact of the refrigerator socket circuit breaker; k3 is an AC24V signal contact of the refrigerator in normal temperature (INCANG); the circuit breaker of the refrigeration socket is opened, the contact K2 is disconnected, and the contact K1 is disconnected; the signal of 'IN normal temperature (IN RANG)' of the refrigerator is IN a non-monitoring state, the K3 contact is disconnected, the system cannot give an alarm, and the refrigerator is IN a closed state or has no refrigerator at the position;
and (4) a normal operation state: k1 is opened, K2 is closed, and K3 is closed;
an alarm state: k1 is disconnected, K2 is closed, K3 is disconnected, K1 is closed, K2 is disconnected, and K3 is disconnected;
and (3) closing state: k1 is disconnected, K2 is disconnected, and K3 is disconnected;
the monitoring system only needs to identify 3 states, namely a normal operation state, an alarm state and a closing state, wherein the K3 contact is disconnected due to socket faults and cold box faults, so that the alarm state and the closing state can be combined into one alarm without being distinguished.
2. The quadrapole cooler monitoring system of claim 1, wherein: the cabin monitoring terminal further comprises a data storage module, and the data storage module is electrically connected with the data processing module.
3. The quadrupolar cooler monitoring system according to claim 2, wherein: the data processing module is used for processing and analyzing the data of the refrigerating box transmitted by the refrigerating box data acquisition unit through the ZigBee terminal node and the ZigBee coordinator.
4. The quadrupolar cooler monitoring system according to claim 1, wherein: the display unit is used for displaying the fault information of the refrigerating box.
5. The quadrapole cooler monitoring system of claim 1, wherein: the alarm unit is used for alarming the known fault information of the refrigerating box.
6. The quadrupolar cooler monitoring system according to claim 2, wherein: the data storage module is used for storing container data information, and the container data information is whether the refrigerated container operates in a normal temperature range.
7. The quadrapole cooler monitoring system of claim 1, wherein: the display unit is specifically a liquid crystal display screen.
8. The quadrupolar cooler monitoring system according to claim 1, wherein: the alarm unit is specifically an audible and visual alarm.
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