CN113280551A - Commercial refrigerator - Google Patents
Commercial refrigerator Download PDFInfo
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- CN113280551A CN113280551A CN202110608620.3A CN202110608620A CN113280551A CN 113280551 A CN113280551 A CN 113280551A CN 202110608620 A CN202110608620 A CN 202110608620A CN 113280551 A CN113280551 A CN 113280551A
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- monitoring server
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- 238000010257 thawing Methods 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 44
- 238000009833 condensation Methods 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000001954 sterilising effect Effects 0.000 claims abstract description 24
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 24
- 230000005494 condensation Effects 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000005265 energy consumption Methods 0.000 claims description 13
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012800 visualization Methods 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/004—Control mechanisms
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
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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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
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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
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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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention provides a commercial refrigerator, comprising: the system comprises a controller, a compressor controller, a display, a mobile/PC (personal computer) equipment terminal, a remote monitoring server, a condensation speed regulation fan, a cooling fan, a sterilization device, a lighting device, an anti-condensation heating wire, a defrosting heating pipe, a cascade 485 communication device, a compressor, a cabinet internal temperature sensor, a first defrosting temperature sensor, a second defrosting temperature sensor, a condensation temperature sensor, an environment temperature sensor, a door switch and an external input switch. Wherein, the controller is electrically connected with the input and output equipment; the remote monitoring server is connected with the controller through a communication module or a built-in WIFI module in the display, and the mobile/PC equipment terminal is connected with the remote monitoring server through an Internet network. The invention applies the Internet of things, the mobile/PC Internet, the energy-saving control and sterilization technology to the commercial refrigerator, and provides green, energy-saving and environment-friendly user experience for commercial cabinet operators and customers.
Description
Technical Field
The invention relates to the technical field of commercial refrigerators and green energy-saving and environment-friendly technologies, in particular to a commercial refrigerator.
Background
Along with the development of technologies such as the internet of things, frequency conversion and sterilization, the refrigerator is green and energy-saving for commercial refrigerators, and the environment-friendly function is more and more in demand. Meanwhile, the nation proposes a strategic plan of carbon peak-to-peak carbon neutralization, and the green, energy-saving and environment-friendly commercial refrigerator is the challenge subject facing the current people. Commercial refrigerators in the market today function relatively singly, for example: the independent variable frequency control function, independent speed governing fan control function, the linear function of independent heater strip, the function of lighting a lamp alone adds communication module remote monitoring function alone, adds disinfection and sterilization device function alone, does not carry out electric quantity collection energy analysis function and so on.
The invention solves the defects that the commercial refrigerator has single function at present and needs an additional module to a great extent, and plays a positive role in the green energy-saving and environment-friendly development of the whole commercial refrigerator industry. Its advantages are two aspects: the refrigerator management system is beneficial to multifunctional integration for production enterprises, is suitable for multi-series multi-scene commercial refrigerators, monitors equipment operation in real time at a background, gives early warning in advance, reduces after-sale maintenance, and enables the equipment to operate safely and stably. Secondly, for the client, the operation condition and the energy consumption condition of the equipment are monitored in real time, and the client can analyze the equipment in real time conveniently.
Disclosure of Invention
In order to solve the problems of the commercial refrigerator, the invention provides the commercial refrigerator, which applies the Internet of things, the mobile/PC Internet, the energy-saving control and sterilization technology to the commercial refrigerator and provides green, energy-saving and environment-friendly user experience for commercial cabinet operators and customers. The technical scheme of the invention solves the problems of single energy-saving control, energy consumption acquisition and analysis and food sterilization and preservation of the commercial refrigerator in the prior art, and the commercial refrigerator realizes selection of multiple energy-saving control modes through a common design and meets the requirement of multi-scene application selection; possess the electric quantity and gather the function, realize the energy consumption analysis function through remote monitoring server.
The technical means adopted by the invention are as follows:
a commercial cooler comprising: the cabinet comprises a cabinet body, a control box arranged in the cabinet body and a cabinet door;
the control box comprises a controller, a compressor controller, a sterilization device, an external input switch and cascade 485 communication;
the upper side of the cabinet body is also provided with a compressor, a condensation speed-regulating fan, a condensation temperature sensor and an environment temperature sensor;
a cooling fan, a defrosting heating pipe, a cabinet internal temperature sensor, a first defrosting temperature sensor, a second defrosting temperature sensor and a lighting device are arranged inside the cabinet body; the first defrosting temperature sensor and the second defrosting temperature sensor are respectively arranged on the left side and the right side of the interior of the cabinet body;
an anti-condensation heating wire is arranged at the interlayer position on the inner side of the periphery of the cabinet door; a door switch is arranged on the upper side of the cabinet door;
the commercial refrigerator also comprises a display embedded and installed at the outer side of the refrigerator body;
the controller is respectively and electrically connected with the compressor controller, the display, the condensation speed regulation fan, the cooling fan, the sterilization device, the lighting device, the anti-condensation heating wire, the defrosting heating pipe, the cascade 485 communication device, the compressor, the in-cabinet temperature sensor, the first defrosting temperature sensor, the second defrosting temperature sensor, the condensation temperature sensor, the environment temperature sensor, the door switch and the external input switch;
the commercial refrigerator also comprises a mobile/PC (personal computer) equipment terminal and a remote monitoring server which are electrically connected with the controller; the remote monitoring server is connected with the controller through a communication module or a built-in WIFI module in the display, and the mobile/PC equipment terminal is connected with the remote monitoring server through an Internet network.
Further, the controller comprises 8 paths of temperature input, 2 paths of analog quantity input, 2 paths of switching quantity input, 3 paths of relay output, 1 path of SSR output, 3 paths of direct current switching quantity output, 1 path of direct current PWM output, 2 paths of analog quantity output, electric energy metering, 2 industrial standard RS485 communication interfaces supporting Modbus communication protocols, 1 display interface connected with a display, 1 IOT integrated contact pin interface connected with a communication module and a built-in independent power supply real-time clock.
Further, the compressor is controlled by a controller, the controller sets the compressor controller to be one of RS-485 communication, analog quantity output and PWM pulse mode, and the compressor controller adopts a frequency conversion or fixed frequency control mode to control the start delay time, the minimum shutdown time, the minimum running time, the automatic cycle running time and the dynamic cycle shutdown time of the compressor when being electrified.
Furthermore, the display is provided with a single shell and comprises an LED display unit, 7 touch keys, a built-in buzzer and a built-in WIFI module;
the LED display unit is used for displaying LOGO, temperature, energy consumption, time, setting and working state;
the 7 touch keys are used for interactive input;
the built-in buzzer is used for alarming and prompting;
the built-in WIFI module is used for the controller to be in wireless connection with the remote monitoring server.
Furthermore, the condensation speed regulation fan is controlled by a controller, the condensation speed regulation fan is set to be one of RS-485 communication, analog quantity output and PWM pulse mode control modes by the controller, and the controller adopts a fixed frequency or variable frequency control mode to control the condensation speed regulation fan to realize the functions of an evaporator fan and a condenser fan.
Furthermore, the cooling fan and the sterilization device are controlled by the controller, and the controller controls the cooling fan to start operating and then controls the sterilization device to start sterilization.
Further, the lighting device is controlled by a controller, and the controller sets the lighting device to be automatically turned on when the door is opened or controlled to be turned on by an external switch.
Further, the anti-condensation heating wire is controlled through a controller, the controller sets the anti-condensation heating wire to be one of an SSR solid-state relay output switching value mode or a PWM signal mode, and the heating wire is controlled.
Further, the remote monitoring server realizes remote communication with the controller through a communication module, and the communication mode is any one of the following modes:
in the first mode, the controller is connected with a GPRS network through an built-in SIM card of an NB-IOT module and is communicated with a remote monitoring server;
in a second mode, the controller is connected with a 4G network through a built-in SIM card of a 4G module and is communicated with the remote monitoring server;
in a third mode, the controller is connected with a 5G network through a built-in SIM card of the 5G module and is communicated with the remote monitoring server;
in a fourth mode, the controller is connected with a self-building LORA network through an LORA module and is communicated with the remote monitoring server;
and in a fifth mode, the controller is accessed to the wireless AP through a built-in WIFI module of the display and is communicated with the remote monitoring server.
Furthermore, an electric quantity acquisition module is integrated in the controller and used for acquiring, accumulating and storing electric parameters.
Compared with the prior art, the invention has the following advantages:
1. the commercial refrigerator provided by the invention has the advantages that aiming at production and manufacturing enterprises:
(1) aiming at the Internet of things, all the functional modules which independently collect the electric energy of the respective functional modules are integrated, so that the installation space is saved, and the system has the advantages of improving the efficiency and reducing the cost from the design to the manufacturing aspect.
(2) The Internet of things function is added, data support is provided for after-sale service departments of enterprises, early warning can be achieved, maintenance can be conducted in advance, and the equipment can operate safely, stably and efficiently.
2. The commercial refrigerator provided by the invention has the advantages that aiming at the customers:
(1) operator level viewing permissions: the remote server can be accessed through a mobile/PC (personal computer) device end or a computer WEB, and the information such as the use and operation state (information such as compressor operation, temperature in the refrigerator and the like), alarm information, temperature trend, electric quantity visualization and the like of the commercial refrigerator can be inquired at any time and any place;
(2) administrator level viewing and control permissions: the remote server can be accessed through a mobile/PC (personal computer) device end or a computer WEB, and the control parameters of the temperature controller can be modified, so that the remote monitoring and fault early warning of the refrigerating unit are realized, and the economic loss caused by the fault of the refrigerating unit is reduced;
3. the commercial refrigerator provided by the invention has the functions of energy conservation, electric energy acquisition and analysis, disinfection and sterilization, and is environment-friendly and energy-saving for customers. On the basis of improving the operation efficiency of equipment, keeping food fresh and reducing energy consumption, obvious economic benefits are brought to the society.
Based on the reason, the invention can be widely popularized in the fields of commercial refrigerators, green energy conservation, environmental protection and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view structural diagram of the commercial refrigerator of the present invention.
Fig. 2 is a side view structural diagram of the commercial refrigerator of the present invention.
Fig. 3 is a system configuration diagram of the commercial refrigerator of the present invention.
Fig. 4 is a circuit diagram of the commercial refrigerator of the present invention.
In the figure: 1. a controller; 2. a compressor controller; 3. a display; 4. a remote monitoring server; 5. a mobile/PC device end; 6. a condensing speed-regulating fan; 7. a cooling fan; 8. a sterilizing device; 9. an illumination device; 10. the anti-condensation heating wire; 11. a defrosting heating pipe; 12. carrying out cascade 485 communication; 13. a compressor; 14. a cabinet internal temperature sensor; 15. a first defrost temperature sensor; 16. a second defrost temperature sensor; 17. a condensation temperature sensor; 18. an ambient temperature sensor; 19. a door switch; 20. an external input switch; 21. an electric cabinet.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1-4, the present invention provides a commercial cooler comprising: the cabinet comprises a cabinet body, a control box arranged in the cabinet body and a cabinet door;
the control box comprises a controller 1, a compressor controller 2, a sterilization device 8, an external input switch 20 and a cascade 485 communication 12;
the upper side of the cabinet body is also provided with a compressor 13, a condensation speed-regulating fan 6, a condensation temperature sensor 17 and an environment temperature sensor 18;
a cooling fan 7, a defrosting heating pipe 11, an in-cabinet temperature sensor 14, a first defrosting temperature sensor 15, a second defrosting temperature sensor 16 and an illuminating device 9 are arranged in the cabinet body; the first defrosting temperature sensor 15 and the second defrosting temperature sensor 16 are respectively arranged at the left side and the right side of the interior of the cabinet body;
an anti-condensation heating wire 10 is arranged at the interlayer position on the inner side of the periphery of the cabinet door; a door switch 19 is arranged on the upper side of the cabinet door;
the commercial refrigerator also comprises a display 3 embedded and installed at the outer side of the refrigerator body;
the controller is respectively and electrically connected with the compressor controller 2, the display 3, the condensation speed-regulating fan 6, the cooling fan 7, the sterilizing device 8, the illuminating device 9, the anti-condensation heating wire 10, the defrosting heating pipe 11, the cascade 485 communication 12, the compressor 13, the cabinet temperature sensor 14, the first defrosting temperature sensor 15, the second defrosting temperature sensor 16, the condensation temperature sensor 17, the environment temperature sensor 18, the door switch 19 and the external input switch 20;
the commercial refrigerator also comprises a mobile/PC (personal computer) equipment terminal 4 and a remote monitoring server 5 which are electrically connected with the controller; the remote monitoring server 5 is connected with the controller 1 through a communication module or a built-in WIFI module in the display 3, and is used for analyzing and counting the use state information of the controller 1 and diagnosing and controlling the controller 1; the mobile/PC equipment terminal 4 is connected with the remote monitoring server 5 through the Internet network and is used for collecting and controlling the use state information of the controller 1 through the remote monitoring server 5.
In specific implementation, as a preferred embodiment of the present invention, with reference to fig. 4, the controller 1 includes 8 temperature inputs, 2 analog inputs, 2 switching value inputs, 3 relay outputs, 1 SSR output, 3 dc switching value outputs, 1 dc PWM output, 2 analog outputs, power metering, 2 industry standard RS485 communication interfaces supporting Modbus communication protocol, 1 display interface connected to a display, 1 IOT integrated pin interface connected to a communication module, and a built-in independent power supply real-time clock.
In specific implementation, as a preferred embodiment of the present invention, the compressor controller 2 is controlled by the controller 1, the controller 1 sets the compressor controller 2 to be one of RS-485 communication, analog output, and PWM pulse mode, and the compressor controller 1 adopts a frequency conversion or fixed frequency control mode to control the start delay time, the minimum shutdown time, the minimum runtime, the runtime of automatic cycle, and the shutdown time of dynamic cycle of the compressor during power-on. Namely, the variable-frequency compressor can be controlled by selecting RS-485 communication, analog quantity output and a PWM pulse mode, and the fixed-frequency compressor can also be controlled by DO.
In specific implementation, as a preferred embodiment of the present invention, the display 3 has a single housing, and includes an LED display unit, 7 touch keys, a built-in buzzer, and a built-in WIFI module; the LED display unit is used for displaying LOGO, temperature, energy consumption, time, setting and working state; the 7 touch keys are an upper key, a lower key, a determination key, a setting key, a defrosting key, a light key and an energy consumption display key respectively and are used for interactive input; the built-in buzzer is used for alarming and prompting; and the built-in WIFI module is used for the controller 1 to be in wireless connection with the remote monitoring server 5. The LED display unit is a displayable indicator lamp and comprises a sterilization indicator lamp, a refrigeration indicator lamp, a dripping indicator lamp, an illumination indicator lamp, a door switch indicator lamp, a cooling fan indicator lamp, a defrosting indicator lamp, a locking indicator lamp, a Wifi connection indicator lamp and an IOT connection indicator lamp; LOGO, temperature, energy consumption, time, settings, operating conditions, etc. can be displayed.
In specific implementation, as a preferred embodiment of the present invention, the condensing speed-adjusting fan 6 is controlled by the controller 1, the controller 1 sets the condensing speed-adjusting fan 6 to one of RS-485 communication, analog output, and PWM pulse mode control modes, and the controller 1 controls the condensing speed-adjusting fan 6 to implement functions of an evaporator fan and a condenser fan by using a fixed frequency or variable frequency control mode. Namely, the variable frequency fan can be controlled in a PWM pulse mode by selecting RS-485 communication and analog quantity output, so that the energy-saving function is achieved; the frequency setting fan can also be controlled by DO; the method realizes the functions of setting a fan interface control mode, an evaporator fan working mode, the first starting time delay of an evaporator fan after being electrified, the starting time delay of an evaporator fan after defrosting, the starting working temperature of the evaporator fan, the stopping time of the evaporator fan after a door is opened, a condensing fan working mode, a speed-regulating fan control mode, the stopping time delay of a condensing fan, the set temperature of the condensing fan, the deviation of the starting temperature of the condensing fan, the PWM period of the condensing speed-regulating fan, the duty ratio of the condensing speed-regulating fan, PID parameter setting, the speed-regulating control period of the condensing fan, the initial rotating speed keeping time of the condensing fan, the maximum rotating speed of the condensing fan, the minimum rotating speed of the condensing fan, the high outside air temperature, the overload temperature resetting deviation, the overload temperature resetting judgment time and the like.
In specific implementation, as a preferred embodiment of the present invention, the cooling fan 7 and the sterilization device 8 are both controlled by the controller 1, and the controller 1 controls the cooling fan 7 to start operating and then controls the sterilization device 8 to start sterilization, so as to protect the driving of the food in a green and safe manner.
In a specific implementation, as a preferred embodiment of the present invention, the lighting device 9 is controlled by the controller 1, and the controller 1 sets the lighting device 9 to be turned on by an automatic door opening or controlled by an external switch. According to the field use environment and the type of the input signal, the automatic lighting function is realized when needed, so that the equipment is more energy-saving;
in specific implementation, as a preferred embodiment of the present invention, the controller 1 controls the anti-condensation heating wire 10, and the controller 1 sets the anti-condensation heating wire 10 as one of the output switching value of the SSR solid state relay or the PWM signal mode, and controls the heating wire, thereby having an energy saving function. The functions of setting a heating wire interface control mode, an anti-condensation heater control mode, heating wire starting delay, anti-condensation control daytime running ratio, anti-condensation control nighttime running ratio, anti-condensation control running period, an anti-condensation heater minimum dew point value, an anti-condensation heater maximum dew point value, an anti-condensation heater minimum dew point value percentage of all power, freezer temperature control intensity outer box heating wire operation rate sum, JIS test outer box heating wire operation rate sum, duty ratio compensation amount in anti-condensation intelligent control, communicated dew point and the like can be realized;
in specific implementation, as a preferred embodiment of the present invention, the remote monitoring server 5 implements remote communication with the controller 1 through a communication module, where the communication module includes a communication hardware module and a communication antenna; can select for NB-IOT communication module, LORA communication module, 4G communication module and 5G communication module, the communication mode is any one of following:
in the first mode, the controller 1 is connected with a GPRS network through an built-in SIM card of an NB-IOT module and is communicated with a remote monitoring server 5;
in a second mode, the controller 1 is connected with a 4G network through a 4G module built-in SIM card and is communicated with a remote monitoring server 5;
in a third mode, the controller 1 is connected with a 5G network through a 5G module built-in SIM card and is communicated with the remote monitoring server 5;
in a fourth mode, the controller 1 is connected with a self-building LORA network through a LORA module and is communicated with the remote monitoring server 5;
in a fifth mode, the controller 1 is connected to the wireless AP through a built-in WIFI module of the display 3, and communicates with the remote monitoring server 5.
In specific implementation, as a preferred embodiment of the present invention, the commercial refrigerator of the present invention further has a temperature acquisition function, and the in-refrigerator temperature sensor 14, the first defrosting temperature sensor 15, the second defrosting temperature sensor 16, the condensing temperature sensor 17, and the ambient temperature sensor 18 are used for acquiring temperatures of different positions of the commercial refrigerator; the controller 1 has functions of controlling the temperature displayed by each temperature sensor, the type of each temperature sensor, the amount of deviation of the displayed temperature, calibrating each sensor, and the like.
In a specific embodiment, the commercial refrigerator of the present invention further includes a refrigeration control function as a preferred embodiment of the present invention. The device has the functions of setting a minimum set value, a minimum limit value, a maximum set value, a maximum limit value, a temperature set value, a temperature deviation, a night mode set value floating deviation and the like.
In specific implementation, as a preferred implementation mode of the invention, the commercial refrigerator of the invention further has a defrosting function, and can realize setting of an interface control mode of the defrosting heating pipe 11, a defrosting type, a defrosting mode, a defrosting period, the longest defrosting time, a defrosting resetting temperature, a synchronous defrosting time delay, display contents of a display during defrosting, and a deep defrosting ending temperature; end time of 'deep defrost', duration of defrosting temperature being lower than defrosting temperature threshold, evacuation time; drip time, post-defrost shielding time, defrost and post-door-open high temperature alarm shielding time, number of defrost sensors, weighted proportion of defrost sensors, and forced defrost.
In specific implementation, as a preferred embodiment of the invention, the commercial refrigerator provided by the invention further has an energy consumption statistics display function. The display 3 can be used for setting and displaying real-time power consumption, previous 24-hour power, accumulated power, current instantaneous power, current time, instantaneous current, instantaneous voltage, compressor running current, direct current equipment running current, energy consumption zero clearing, energy consumption display proportion and energy consumption display mode.
In a specific implementation mode, the commercial refrigerator provided by the invention is also provided with an alarm function as a preferable implementation mode of the invention. The method is realized by arranging high-temperature and low-temperature alarm distribution sensors; meanwhile, a high-temperature and low-temperature alarm reset deviation, a low-temperature alarm deviation, a high-temperature alarm deviation, a low-temperature alarm delay, a high-temperature alarm delay, a condenser high-temperature protection starting value, a condenser high-temperature alarm starting value, a condenser low-temperature alarm lower return difference parameter, a condenser high-temperature protection starting value, DI input polarity, a door-opened alarm delay, an alarm value of overlarge current of the whole machine, an alarm value of overlarge current of the compressor, an alarm value of overlarge current of the direct-current equipment and alarm record display need to be set.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A commercial cooler comprising: the cabinet comprises a cabinet body, a control box arranged in the cabinet body and a cabinet door; the method is characterized in that:
the control box (21) comprises a controller (1), a compressor controller (2), a sterilization device (8), an external input switch (20) and a cascade 485 communication (12);
the upper side of the cabinet body is also provided with a compressor (13), a condensation speed-regulating fan (6), a condensation temperature sensor (17) and an environment temperature sensor (18);
a cooling fan (7), a defrosting heating pipe (11), an in-cabinet temperature sensor (14), a first defrosting temperature sensor (15), a second defrosting temperature sensor (16) and a lighting device (9) are arranged in the cabinet body; the first defrosting temperature sensor (15) and the second defrosting temperature sensor (16) are respectively arranged on the left side and the right side of the interior of the cabinet body;
an anti-condensation heating wire (10) is arranged at the interlayer position of the inner side of the periphery of the cabinet door; a door switch (19) is arranged on the upper side of the cabinet door;
the commercial refrigerator also comprises a display (3) embedded and installed at the outer side of the refrigerator body;
the controller is respectively and electrically connected with a compressor controller (2), a display (3), a condensation speed-regulating fan (6), a cooling fan (7), a sterilization device (8), a lighting device (9), an anti-condensation heating wire (10), a defrosting heating pipe (11), a cascade 485 communication (12), a compressor (13), a cabinet internal temperature sensor (14), a first defrosting temperature sensor (15), a second defrosting temperature sensor (16), a condensation temperature sensor (17), an environment temperature sensor (18), a door switch (19) and an external input switch (20);
the commercial refrigerator also comprises a mobile/PC (personal computer) equipment terminal (4) and a remote monitoring server (5), wherein the mobile/PC equipment terminal is electrically connected with the controller; the remote monitoring server (5) is connected with the controller (1) through a communication module or a built-in WIFI module in the display (3), and the mobile/PC equipment terminal (4) is connected with the remote monitoring server (5) through an Internet network.
2. The commercial refrigerator according to claim 1, wherein the controller (1) comprises 8 temperature inputs, 2 analog inputs, 2 switching value inputs, 3 relay outputs, 1 SSR output, 3 direct current switching value outputs, 1 direct current PWM output, 2 analog outputs, electric energy metering, 2 industrial standard RS485 communication interfaces supporting Modbus communication protocol, 1 display interface connected with a display, 1 IOT integrated pin interface connected with a communication module, and a built-in independent power supply real-time clock.
3. A commercial refrigerator according to claim 2 wherein the compressor controller (2) is controlled by the controller (1), the controller (1) sets the compressor controller (2) to one of RS-485 communication, analog output, PWM pulse mode, the compressor controller (1) adopts frequency or fixed frequency control mode to control the start delay time, minimum shutdown time, minimum run time, automatic cycle run time and dynamic cycle shutdown time of the compressor when powered on.
4. A commercial refrigerator according to claim 2, in which the display (3) has a single housing installation, containing an LED display unit, 7 touch keys, a built-in buzzer and a built-in WIFI module;
the LED display unit is used for displaying LOGO, temperature, energy consumption, time, setting and working state;
the 7 touch keys are used for interactive input;
the built-in buzzer is used for alarming and prompting;
the built-in WIFI module is used for the controller (1) to be in wireless connection with the remote monitoring server (5).
5. The commercial refrigerator of claim 2, wherein the condensing speed-adjusting fan (6) is controlled by the controller (1), the controller (1) sets the condensing speed-adjusting fan (6) to one of RS-485 communication, analog output and PWM pulse mode control mode, the controller (1) adopts a fixed frequency or variable frequency control mode to control the condensing speed-adjusting fan (6) to realize the functions of the evaporator fan and the condenser fan.
6. The commercial refrigerator of claim 2, wherein the cooling fan (7) and the sterilization device (8) are controlled by the controller (1), and the controller (1) controls the cooling fan (7) to start operating and then controls the sterilization device (8) to start sterilization.
7. A commercial refrigerator according to claim 2 in which the lighting means (9) is controlled by a controller (1), the controller (1) setting the lighting means (9) to be lit automatically by opening the door or to be lit by external switch control.
8. The commercial refrigerator of claim 2 wherein the anti-condensation heater strip (10) is controlled by a controller (1), the controller (1) setting the anti-condensation heater strip (10) to one of SSR solid state relay output switching value or PWM signal mode to control the heater strip.
9. A commercial refrigerator according to claim 1, wherein the remote monitoring server (5) communicates with the controller (1) remotely via a communication module in any of the following ways:
in a first mode, the controller (1) is connected with a GPRS network through an built-in SIM card of an NB-IOT module and is communicated with a remote monitoring server (5);
in a second mode, the controller (1) is connected with a 4G network through a 4G module built-in SIM card and is communicated with a remote monitoring server (5);
in a third mode, the controller (1) is connected with a 5G network through a 5G module built-in SIM card and is communicated with the remote monitoring server (5);
the controller (1) is connected with a self-building LORA network through an LORA module and is communicated with the remote monitoring server (5);
in a fifth mode, the controller (1) is connected to the wireless AP through a built-in WIFI module of the display (3) and is communicated with the remote monitoring server (5).
10. A commercial refrigerator according to claim 1 in which the controller (1) incorporates a power acquisition module for acquisition, accumulation and storage of power parameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110608620.3A CN113280551A (en) | 2021-06-01 | 2021-06-01 | Commercial refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110608620.3A CN113280551A (en) | 2021-06-01 | 2021-06-01 | Commercial refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN113280551A true CN113280551A (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110608620.3A Pending CN113280551A (en) | 2021-06-01 | 2021-06-01 | Commercial refrigerator |
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| Country | Link |
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| CN (1) | CN113280551A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114857836A (en) * | 2022-06-02 | 2022-08-05 | 珠海格力电器股份有限公司 | Refrigerator and control method |
| CN114909867A (en) * | 2022-04-07 | 2022-08-16 | 大连冰山嘉德自动化有限公司 | Comprehensive energy-saving algorithm of refrigeration equipment IoT centralized monitoring system |
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Address after: 116600, No. 6 Song Lan street, Dalian economic and Technological Development Zone, Liaoning, China Applicant after: Bingshan Songyang Cold Chain (Dalian) Co.,Ltd. Address before: 116000 No. 6 Songlan Street, Jinzhou New District, Dalian City, Liaoning Province Applicant before: PANASONIC APPLIANCES COLD CHAIN (DALIAN) Co.,Ltd. |