CN113758110A - Multi-refrigeration-house centralized intelligent temperature control management system - Google Patents
Multi-refrigeration-house centralized intelligent temperature control management system Download PDFInfo
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- CN113758110A CN113758110A CN202111059487.7A CN202111059487A CN113758110A CN 113758110 A CN113758110 A CN 113758110A CN 202111059487 A CN202111059487 A CN 202111059487A CN 113758110 A CN113758110 A CN 113758110A
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- 238000005057 refrigeration Methods 0.000 claims abstract description 53
- 238000003860 storage Methods 0.000 claims abstract description 30
- 238000010257 thawing Methods 0.000 claims abstract description 28
- 230000014759 maintenance of location Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
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Classifications
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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
- F25D13/00—Stationary devices, e.g. cold-rooms
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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
- F25D29/005—Mounting of control devices
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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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a centralized intelligent temperature control management system for multiple refrigeration houses, wherein a PLC (programmable logic controller) is arranged at one end of a control cabinet; the human-computer interface display is connected with the PLC; the main power switch controls the on-off of the power supply of the whole intelligent temperature control system; the refrigerator controller controls the running state and temperature of each refrigerator in the refrigeration house; the intermediate relay is connected with an output port of the PLC; the temperature sensor is connected with an input port of the PLC and used for measuring temperature data in the cold storage, and the defrosting controller is connected with an output port of the PLC; the remote control communication interface is connected with a computer or a mobile phone through a network by a PLC programmable controller. The invention alleviates the defects of scattered management of the refrigeration house, more man-made interference factors, high labor intensity, unclear fault source and the like; the system can more advanced solve the problems of refrigeration storage management, and is particularly suitable for large refrigeration storages, cold-chain logistics refrigeration storages, large storage bodies and technical problems caused by a large number of refrigeration storage rooms.
Description
Technical Field
The invention relates to the technical field of cold-chain logistics refrigerators, in particular to a centralized intelligent temperature control management system for multiple refrigerators.
Background
Under the conditions of cold chain logistics, large-scale refrigeration houses, food refrigeration and the like, the varieties of cargos, particularly fruit and vegetable refrigeration houses cannot be mixed, one or more refrigeration houses of different types are needed, and the temperatures of the refrigeration houses are different, so that the temperature control and management of the refrigeration houses are complicated. Meanwhile, in order to save energy, the operation of the refrigeration storage needs to be performed by defrosting the air cooler at regular time, the temperature of the refrigeration storage is changed, and the refrigeration storage is centralized in a system to perform various management, which is an effective method.
In the prior art, a temperature control box is usually arranged in each refrigeration house to realize management and temperature control of an evaporator in the refrigeration house, the running condition of the refrigeration house is visited back and forth by an operator, and the labor intensity and uncertain factors are increased. Because the capacity interface of the temperature controller is limited, the temperature controller can only be used for detecting by one temperature sensor, if the area of the refrigeration house is large or the objects are stacked too much, the temperature difference in the refrigeration house is easy to form, and the risk exists in the storage of the temperature-sensitive goods.
Therefore, a centralized intelligent temperature control management system for multiple refrigeration houses is a problem to be solved urgently.
Disclosure of Invention
The invention aims to centralize the management of all the refrigeration houses in one control system, and can clearly know the operation conditions of all the refrigeration houses without going out of home, thereby realizing the intelligent management of the operation of the refrigeration houses.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a centralized intelligent temperature control management system for multiple refrigeration houses comprises a control cabinet, a PLC (programmable logic controller), a human-computer interface display, a main power switch, a refrigerator controller, a temperature sensor, an intermediate relay, a defrosting controller, a temperature control alarm, a remote control communication interface and control software;
the PLC is arranged at one end of the control cabinet and is used for controlling all equipment in the cold storage and inquiring faults; the human-computer interface display is connected with the PLC and is used for displaying a control interface, inputting data and modifying data; the main power switch controls the on-off of the power supply of the whole intelligent temperature control system; the refrigerator controller controls the running state and the temperature of each refrigerator in the refrigeration house; the intermediate relay is connected with an output port of the PLC;
the temperature sensor is connected with an input port of the PLC and used for measuring temperature data in the cold storage, and the PLC processes the temperature data and sends the processed temperature data to the human-computer interface display for display; when the data measured by the temperature sensor exceeds the temperature range set in the cold storage, the PLC controls the temperature control alarm to send out an alarm signal or output a starting request signal;
the defrosting controller is connected with an output port of the PLC, and the control software generates a defrosting signal to control the intermediate relay to execute; the remote control communication interface is used for the PLC programmable controller special communication control module to generate a control simulation picture by using configuration software, and the control simulation picture is connected with a computer or a mobile phone through a network to carry out remote control or monitoring.
Furthermore, the PLC is composed of a hardware circuit and a software program to realize intelligent control.
Further, the PLC detects that the data of the temperature sensor is compared with a set value, when the starting value of the refrigerator is reached, the PLC outputs an analog signal to the intermediate relay, the intermediate relay outputs 220v power to the electromagnetic valve of the refrigerator, and the electromagnetic valve is opened; when the temperature of the refrigeration house is reduced to a set normal range value, the intermediate relay is cut off, and the system stops.
Further, the PLC sets a defrosting period, a defrosting time, a dripping time and a defrosting temperature.
Furthermore, the PLC programmable controller sets a forced defrosting option, and when the temperature sensor detects that the temperature in the refrigeration house reaches the upper limit temperature, the PLC programmable controller forces the defrosting to stop.
Furthermore, when the electromagnetic valve works, the intermediate relay also gives a starting request signal to the refrigerator controller, and if the refrigerators are set in an automatic state, the refrigerators sequentially start the system; if the refrigerators are not in the automatic starting state, each refrigerator can only be manually started.
Furthermore, the refrigerator controller and the PLC of the temperature control system are two independent systems, and the two systems realize automatic control through a communication interface.
Compared with the prior art, the invention has the advantages that: the invention alleviates the defects of scattered management of the refrigeration house, more man-made interference factors, high labor intensity, unclear fault source and the like; the system can more advanced solve the problems of refrigeration storage management, and is particularly suitable for large refrigeration storages, cold-chain logistics refrigeration storages, large storage bodies and technical problems caused by a large number of refrigeration storage rooms.
Drawings
Fig. 1 is a system framework diagram of a centralized intelligent temperature control management system for multiple refrigeration storages according to the present invention.
As shown in the figure: 1. the refrigerator comprises a control cabinet, 2, a PLC (programmable logic controller), 3, a human-computer interface display, 4, a main power switch, 5, a refrigerator controller, 6, a temperature sensor, 7, an intermediate relay, 8, a defrosting controller, 9, a temperature control alarm, 10, a remote control communication interface, 11, control software, 12 and a refrigerator.
Detailed Description
The invention provides a centralized intelligent temperature control management system for multiple refrigeration houses, which is further described in detail with reference to the accompanying drawings.
With reference to the attached drawing 1, the specific implementation process of the centralized intelligent temperature control management system for the multiple refrigeration houses is as follows:
the number of the temperature sensors 6 is increased or reduced according to the requirement of the refrigeration house so as to reduce the temperature difference in the refrigeration house; the main power switch 4 controls the on-off of the power supply of the whole system, and the PLC 2 is arranged at one end of the cabinet body of the control cabinet 1 and is used for controlling all equipment in the refrigeration house and inquiring faults; the human-computer interface display 3 is connected with the PLC 2 and used for displaying a control interface, modifying and inputting data, and the intermediate relay 7 is connected with an output port of the PLC 2; the temperature sensor 6 is used for measuring temperature data in the cold storage, and transmitting the temperature data to an input port of the PLC 2 to be processed and displayed on the human-computer interface display 3;
the defrosting controller 8 is connected with an output port of the PLC 2, and defrosting management is executed by the intermediate relay 7 under the control of a control signal generated by the control software 11; the temperature control alarm 9 compares the data measured by the temperature sensor 6 in the cold storage with the set temperature, and the PLC programmable controller 2 controls the temperature control alarm 9 to send out an alarm signal or output a startup request signal when the temperature exceeds the temperature range required in the cold storage; the remote control communication interface 10 is a communication control module special for the PLC 2, generates a control simulation picture by using configuration software, and is connected with a computer or a mobile phone through a network, so that remote control or monitoring can be realized.
The PLC 2 detects the data of the temperature sensor 6 and compares the data with a set value to meet the requirement of refrigeration and startup, the PLC 2 outputs an analog signal to the intermediate relay 7, the intermediate relay 7 outputs a 220V power supply to the electromagnetic valve, and the electromagnetic valve starts to work. When the temperature of the refrigeration house reaches a set value, the intermediate relay 7 is cut off, and the system stops; when the electromagnetic valve works, the intermediate relay 7 also gives a starting request signal to the refrigerating machine 12 group, and if the refrigerating machine 12 group is set in an automatic state, the refrigerating machine controllers 5 on the refrigerating machine 12 group sequentially start the system; if special conditions occur, the refrigerating machine 12 set is not in an automatic starting state, and the refrigerating machine 12 set can only be manually started; the refrigerator controller 5 on the refrigerator 12 group and the PLC programmable controller 2 of the temperature control system are two independent systems, and the two systems realize automatic control through a communication interface.
The control of the defrosting of the refrigeration house is similar to that of the refrigerating machine 12, and a defrosting period, defrosting time, dripping time and defrosting temperature need to be set; the forced defrosting function is set, and forced defrosting stops when the temperature in the refrigeration house reaches the upper limit temperature.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides an intelligent temperature control management system is concentrated to many freezers which characterized in that: the refrigerator control system comprises a control cabinet (1), a PLC (programmable logic controller) (2), a human-computer interface display (3), a main power switch (4), a refrigerator controller (5), a temperature sensor (6), an intermediate relay (7), a defrosting controller (8), a temperature control alarm (9), a remote control communication interface (10) and control software (11);
the PLC (2) is arranged at one end of the control cabinet (1) and is used for controlling all equipment in the cold storage and inquiring faults; the human-computer interface display (3) is connected with the PLC (programmable logic controller) (2) and is used for displaying a control interface, inputting data and modifying data; the main power switch (4) controls the on-off of the power supply of the whole intelligent temperature control system; the refrigerator controller (5) controls the running state and the temperature of each refrigerator (12) in the refrigeration house; the intermediate relay (7) is connected with an output port of the PLC (2);
the temperature sensor (6) is connected with an input port of the PLC (2) and used for measuring temperature data in the cold storage, and the PLC (2) processes the temperature data and sends the processed temperature data to the human-computer interface display (3) for display; when the data measured by the temperature sensor (6) exceeds the temperature range set in the cold storage, the PLC (2) controls the temperature control alarm (9) to send out an alarm signal or output a startup request signal;
the defrosting controller (8) is connected with an output port of the PLC (2), and the control software (11) generates a defrosting signal to control the intermediate relay (7) to execute; the remote control communication interface (10) is a special communication control module of the PLC (2) and generates a control simulation picture by using configuration software, and the control simulation picture is connected with a computer or a mobile phone through a network to carry out remote control or monitoring.
2. The centralized intelligent temperature control management system for multiple refrigeration storages according to claim 1, characterized in that: the PLC (2) is formed by a hardware circuit and a software program to realize intelligent control.
3. The centralized intelligent temperature control management system for multiple refrigeration storages according to claim 1, characterized in that: the PLC (2) detects data of the temperature sensor (6) and compares the data with a set value, when the starting value of the refrigerator (12) is reached, the PLC (2) outputs an analog signal to the intermediate relay (7), the intermediate relay (7) outputs 220v power supply to an electromagnetic valve of the refrigerator, and the electromagnetic valve is opened; when the temperature of the refrigeration house is reduced to a set normal range value, the intermediate relay (7) is cut off, and the system stops.
4. The centralized intelligent temperature control management system for multiple refrigeration storages according to claim 1, characterized in that: the PLC (2) sets a defrosting period, defrosting time, dripping time and defrosting temperature.
5. The centralized intelligent temperature control management system for multiple refrigeration storages according to claim 4, characterized in that: the forced defrosting method is characterized in that the PLC (programmable logic controller) (2) sets forced defrosting options, and when the temperature sensor (6) detects that the temperature in the refrigeration house reaches the upper limit temperature, the PLC (2) stops forced defrosting.
6. The centralized intelligent temperature control management system for multiple refrigeration storages according to claim 1, characterized in that: when the electromagnetic valve works, the intermediate relay (7) also gives a starting request signal to the refrigerator controller (5), and if the refrigerators (12) are set in an automatic state, the refrigerators (12) start the system in sequence; if the refrigerators (12) are not in an automatically activated state, each refrigerator (12) can only be manually activated.
7. The centralized intelligent temperature control management system for multiple refrigeration houses according to claim 6, characterized in that: the refrigerator controller (5) and the PLC programmable controller (2) of the temperature control system are two independent systems, and the two systems realize automatic control through a communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059487.7A CN113758110A (en) | 2021-09-10 | 2021-09-10 | Multi-refrigeration-house centralized intelligent temperature control management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059487.7A CN113758110A (en) | 2021-09-10 | 2021-09-10 | Multi-refrigeration-house centralized intelligent temperature control management system |
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| Publication Number | Publication Date |
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| CN113758110A true CN113758110A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111059487.7A Pending CN113758110A (en) | 2021-09-10 | 2021-09-10 | Multi-refrigeration-house centralized intelligent temperature control management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326886A (en) * | 2022-01-22 | 2022-04-12 | 哈尔滨久茂机电设备有限公司 | Integrated control system cabinet for refrigeration house or air-conditioned cold store |
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| CN212962407U (en) * | 2020-09-21 | 2021-04-13 | 江苏易道节能技术有限公司 | Energy-conserving thing networked control device of wisdom freezer based on big data |
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2021
- 2021-09-10 CN CN202111059487.7A patent/CN113758110A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040035851A1 (en) * | 2002-05-16 | 2004-02-26 | Matthew Antoniou | Systems and methods for controlling temperatures of process tools |
| CN201259364Y (en) * | 2008-09-12 | 2009-06-17 | 孟庆国 | Automatic control and management system for refrigerating house |
| CN106288598A (en) * | 2016-08-09 | 2017-01-04 | 开封市盛晶仓储服务有限公司 | Freezer refrigerating automatic control system based on distributed photovoltaic power generation and method |
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| CN207945884U (en) * | 2018-03-21 | 2018-10-09 | 上海明台实业有限公司 | A kind of intelligence freezer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326886A (en) * | 2022-01-22 | 2022-04-12 | 哈尔滨久茂机电设备有限公司 | Integrated control system cabinet for refrigeration house or air-conditioned cold store |
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Application publication date: 20211207 |