CN218238033U

CN218238033U - Intelligent control ware based on commercial freezer

Info

Publication number: CN218238033U
Application number: CN202121210419.1U
Authority: CN
Inventors: 王亮; 孙绍官; 王浩; 鲍宏宇; 高俊方; 王义斌; 曲名浩; 宋大伟; 孙晓智; 曲晓丹; 姜忠龄; 李飞; 车陆宽; 于彤娟; 高鹏
Original assignee: Panasonic Appliances Cold Chain Dalian Co Ltd
Current assignee: Bingshan Songyang Cold Chain Dalian Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2023-01-06
Anticipated expiration: 2031-06-01

Abstract

The utility model provides an intelligent control ware based on commercial freezer, acquire the control information of user's input and forward to the main control board through the IOT board, respectively through 3 way relay output circuit by the main control board, 1 way SSR output circuit, 3 way direct current switching value output circuit, 1 way direct current PWM output circuit, 2 way switching value input circuit, 2 way RS485 communication circuit, 8 way temperature input circuit, 2 way analog quantity output circuit, display interface circuit and electric energy metering circuit realize the control to smart machine. The problems of single function, large size and the like caused by complex wiring are solved, and meanwhile, a mobile/PC (personal computer) device terminal accesses a remote server to inquire information such as the use running state, alarm information, temperature trend, electric quantity visualization and the like of the commercial refrigerator at any time and any place; and the control parameters of the temperature controller can be modified, so that the remote monitoring and the fault early warning of the refrigerating unit are realized, and the economic loss caused by the fault of the refrigerating unit is reduced.

Description

Intelligent control ware based on commercial freezer

Technical Field

The utility model relates to an intelligent control system and commercial freezer technical field particularly, especially relate to an intelligent control ware based on commercial freezer.

Background

The commercial refrigerator refers to a refrigerating or freezing freezer which is specially sold in commercial operation channels such as shopping malls, cold drink shops, frozen goods shops, hotel restaurants and the like and is used for storing ice cream, beverages, dairy products, quick-frozen foods, food materials and the like. The commercial refrigerator has strong specialty, not only has professional storage temperature requirement, but also has strong requirement on exhibition performance, and the commercial refrigerator utilizes a compressor to compress liquid refrigerant into high-temperature high-pressure gaseous refrigerant, and then the gaseous refrigerant is sent to a condenser to be cooled into low-temperature high-pressure liquid refrigerant, so that the condenser blows hot air. Then to throttling arrangement throttle decompression, get into the evaporimeter, because the refrigerant reaches the space behind the evaporimeter from the capillary and increases suddenly, pressure reduces, and liquid refrigerant will vaporize, becomes gaseous cryogenic refrigerant to absorb a large amount of heats, the evaporimeter will become cold, utilizes directly cold or forced air cooling, realizes cooling in the cabinet. However, with the development of technology and the requirement of environmental protection, most commercial refrigerators can not meet the market requirement, so that an intelligent commercial refrigerator integrating the functions of frequency conversion control, illumination, disinfection and sterilization, electric quantity collection, energy analysis and the like is urgently needed.

SUMMERY OF THE UTILITY MODEL

For solving commercial freezer and having function singleness and need plus module scheduling problem at present, the utility model provides an intelligent control ware based on commercial freezer, acquire the control information of user's input and forward to the main control board through the IOT board, respectively through 3 way relay output circuit by the main control board, 1 way SSR output circuit, 3 way direct current switching value output circuit, 1 way direct current PWM output circuit, 2 way switching value input circuit, 2 way RS485 communication circuit, 8 way temperature input circuit, 2 way analog output circuit, display interface circuit and electric energy metering circuit realize the control to smart machine.

The utility model discloses a technical means as follows:

an intelligent controller based on a commercial refrigerator is an integrated panel and comprises:

a main control board;

the IOT board is installed on the main control board and acquires and forwards control information to the main control board;

a 3-path relay output circuit for controlling the compressor, the alternating-current cooling fan and the defrosting heating pipe is realized according to the control information received by the main control board;

according to the control information received by the main control board, a 1-path SSR output circuit for controlling the anti-condensation heating wire is realized;

the 3-path direct-current switching value output circuit is used for controlling the lighting device, the sterilizing device and the direct-current cooling fan according to the control information received by the main control board;

the 1-path direct current PWM output circuit for controlling the condensing speed regulation fan is realized according to the control information received by the main control board;

2-path switching value input circuit for controlling external input switch and door switch according to the control information received by the main control board;

2 RS485 communication circuits for realizing protocol conversion according to the control information received by the main control board;

according to the control information received by the main control board, an 8-path temperature input circuit for controlling the temperature sensor is realized;

2-channel analog quantity input circuit and 2-channel analog quantity output circuit for controlling analog quantity according to control information received by the main control board;

the display interface circuit is used for controlling the display according to the control information received by the main control board;

the electric energy metering circuit is used for acquiring, accumulating and storing electric parameters according to the control information received by the main control board;

the IOT board, the 3 paths of relay output circuits, the 1 path of SSR output circuit, the 3 paths of direct current switching value output circuits, the 1 path of direct current PWM output circuit, the 2 paths of switching value input circuits, the 2 paths of RS485 communication circuits, the 8 paths of temperature input circuits, the 2 paths of analog quantity output circuits, the display interface circuit and the electric energy metering circuit are connected with the main control board.

Furthermore, the intelligent controller also comprises a mobile/PC (personal computer) equipment terminal and a remote monitoring server which are electrically connected with the main control board; the remote monitoring server is connected with the main control board through a communication unit or a WIFI unit built in the display, and the mobile/PC equipment terminal is connected with the remote monitoring server through an Internet network.

Further, the IOT board includes an IOT integrated pin interface for connecting to a communication unit.

Furthermore, a built-in independent power supply real-time clock is further arranged on the main control board.

Furthermore, the 3-path relay output circuit comprises a 1-path relay output circuit which controls the operation of the compressor in a variable frequency or fixed frequency control mode.

Furthermore, the 1-path direct current PWM output circuit is a 1-path direct current PWM output circuit which controls the operation of the condensation speed regulation fan in a frequency conversion or fixed frequency control mode.

Furthermore, the 3-path direct current switching value output circuit is a 3-path direct current switching value output circuit which firstly controls the operation of the direct current cooling fan and the lighting device and then controls the operation of the sterilizing device.

Furthermore, the communication unit comprises an NB-IOT module, a LORA module, a 4G module and a 5G module.

Further, the communication mode for realizing remote communication between the remote monitoring server and the main control board includes:

the main control board accesses a WIFI unit built in the display to the wireless AP to realize remote communication with the remote monitoring server;

the main control board is connected with a GPRS network through an SIM card built in an NB-IOT module or an LORA module, and realizes remote communication with a remote monitoring server;

the main control board is connected with a 4G network through a SIM card built in a 4G module, and realizes remote communication with a remote monitoring server;

the main control board is connected with a 5G network through a SIM card arranged in the 5G module, and realizes remote communication with a remote monitoring server.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model provides an intelligent control ware based on commercial freezer, acquire the control information of user's input and forward to the main control board through the IOT board, respectively through 3 way relay output circuit by the main control board, 1 way SSR output circuit, 3 way direct current switching value output circuit, 1 way direct current PWM output circuit, 2 way switching value input circuit, 2 way RS485 communication circuit, 8 way temperature input circuit, 2 way analog quantity output circuit, display interface circuit and electric energy metering circuit realize the control to smart machine, each circuit that will realize various functions all integrates in smart control ware's inside, the problem of function singleness has been solved.

2. The utility model provides an intelligent control ware based on commercial freezer for an integrated panel, does not need extra wiring and equipment, possesses advantages such as small, with low costs.

3. The utility model provides an intelligent controller based on commercial refrigerator, which can access a remote server through a mobile/PC device end, and inquire the information such as the using and operating state of the commercial refrigerator, alarm information, temperature trend, visual electric quantity and the like at any time and any place; and the control parameters of the temperature controller can be modified, so that the remote monitoring and the fault early warning of the refrigerating unit are realized, and the economic loss caused by the fault of the refrigerating unit is reduced.

Based on the above reason the utility model discloses can extensively promote in fields such as intelligent control system and commercial freezer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are 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 inventive labor.

Fig. 1 is the structure schematic diagram of the intelligent controller of the present invention.

Fig. 2 is the schematic diagram of the intelligent controller integrated circuit of the present invention.

In the figure: 1. a main control board; 2. an IOT board; 3. a display; 4. a remote monitoring server; 5. a mobile/PC device side; 6. a temperature input circuit; 7. an analog input circuit; 8. a switching value input circuit; 9. a relay output circuit; 10. an SSR output circuit; 11. a DC switching value output circuit; 12. a DC PWM output circuit; 13. an analog quantity output circuit; 14. an electric energy metering circuit; 15. RS485 communication circuit.

Detailed Description

It should be noted that, in the present invention, 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 accompanying drawings in conjunction with embodiments.

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 accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to 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 example embodiments in accordance with 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.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. 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 should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc., are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be interpreted 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.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown 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 terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". 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 if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1, the utility model provides an intelligent control ware based on commercial freezer is an integrated panel, include: the system comprises a main control board 1, an IOT board, a 3-path relay output circuit, a 1-path SSR output circuit, a 3-path direct current switching value output circuit, a 1-path direct current PWM output circuit, a 2-path switching value input circuit, a 2-path RS485 communication circuit, an 8-path temperature input circuit, a 2-path analog output circuit, a display interface circuit and an electric energy metering circuit, wherein the IOT board, the 3-path relay output circuit, the 1-path SSR output circuit, the 3-path direct current switching value output circuit, the 1-path direct current PWM output circuit, the 2-path switching value input circuit, the 2-path RS485 communication circuit, the 8-path temperature input circuit, the 2-path analog value output circuit, the display interface circuit and the electric energy metering circuit are connected with the main control board 1; wherein:

the specific working principle is as follows:

the IOT board 2 is installed on the main control board 1 and used for acquiring and forwarding control information to the main control board 1;

the 3-path relay output circuit 9 is used for controlling the compressor, the alternating-current cooling fan and the defrosting heating pipe according to the control information received by the main control board 1; the control mode of the interface of the defrosting heating pipe 11, the defrosting type, the defrosting mode, the defrosting period, the longest defrosting time, the defrosting resetting temperature, the synchronous defrosting time delay, the display content of the displayer during defrosting and the 'deep defrosting' ending temperature can be set; 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.

The 1-path SSR output circuit 10 is used for controlling the anti-condensation heating wire according to the control information received by the main control panel 1; 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;

the 3-path direct current switching value output circuit 11 is used for controlling the lighting device, the sterilization device and the direct current cooling fan according to the control information received by the main control board 1;

the 1-path direct current PWM output circuit 12 is used for controlling the condensing speed-regulating fan according to the control information received by the main control board 1;

the 2-path switching value input circuit 8 is used for realizing the control of an external input switch and a door switch according to the control information received by the main control panel 1;

the 2 RS485 communication circuits 15 are used for realizing protocol conversion according to the control information received by the main control panel 1, the control panel 1 realizes the function of data interaction with an upper computer through the 1 RS485 communication circuit 15, and the 1 RS485 communication circuit 15 can be selectively arranged and is in communication control with the compressor frequency conversion controller.

The 8-path temperature input circuit 6 is used for controlling the temperature sensor according to the control information received by the main control board 1; in this embodiment, the temperature sensor includes a cabinet interior temperature sensor, a first defrosting temperature sensor, a second defrosting temperature sensor, and a condensing temperature sensor. The temperature acquisition of different positions of the commercial refrigerator can be realized; the temperature display control device has the functions of controlling the temperature displayed by each temperature sensor, the type of each temperature sensor, the offset of the displayed temperature, calibrating each sensor and the like.

The 2-channel analog input circuit 7 and the 2-channel analog output circuit 13 are used for controlling the analog quantity according to the control information received by the main control board 1, and completing the use requirements of users.

The display interface circuit is used for controlling the display 3 according to the control information received by the main control panel 1;

the electric energy metering circuit 14 is used for collecting, accumulating and storing electric parameters according to the control information received by the main control panel 1; 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 specific implementation, as a preferred embodiment of the present invention, as shown in fig. 2, the intelligent controller further includes a mobile/PC device terminal 5 and a remote monitoring server 4 electrically connected to the main control board 1; the remote monitoring server 4 is connected with the main control board 1 through a communication unit or a built-in WIFI unit in the display 3, and the mobile/PC equipment terminal 5 is connected with the remote monitoring server 4 through an Internet network.

In specific implementation, as the preferred embodiment of the present invention, the IOT plate 2 includes an IOT integrated pin interface for connecting the communication unit.

In specific implementation, as a preferred embodiment of the present invention, with reference to fig. 1, the main control board 1 is further provided with a built-in independent power supply real-time clock.

When the concrete implementation, as the utility model discloses preferred embodiment, 3 way relay output circuit 9 is including adopting the frequency conversion or deciding the control mode control compressor operation wherein 1 way relay output circuit frequently. The method can realize the control of the starting delay time, the minimum shutdown time, the minimum running time, the running time of automatic cycle and the dynamic cycle shutdown time of the compressor during electrification by adopting a variable-frequency or fixed-frequency control mode.

When the concrete implementation, as the utility model discloses preferred embodiment, 1 way direct current PWM output circuit 12 is for adopting frequency conversion or decide 1 way direct current PWM output circuit 12 of control mode control condensation speed governing fan operation frequently. The functions of an evaporator fan and a condenser fan can be realized by adopting a fixed frequency or variable frequency control mode and controlling the condensation speed regulation fan. 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 the 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 regulation fan control mode, the stopping time delay of a condensing fan, the set temperature of the condensing fan, the upper deviation of the starting temperature of the condensing fan, the PWM period of the condensing speed regulation fan, the duty ratio of the condensing speed regulation fan, PID parameter setting, the speed regulation 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, high outside air temperature, overload temperature resetting deviation, overload temperature resetting judgment time and the like.

When the practical implementation, as the utility model discloses preferred embodiment, 3 way direct current switching value output circuit 11 is for controlling direct current cooling blower and lighting device operation earlier, controls 3 way direct current switching value output circuit 11 of sterilizing equipment operation again, for food green safety protection driving. The lighting device may be configured to be automatically turned on when the door is opened or controlled to be turned on 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;

when the intelligent air conditioner is specifically implemented, as a preferred implementation mode of the utility model, the display 3 comprises an LED display unit for displaying LOGO, temperature, energy consumption, time, setting and working state, and the LED display unit is a displayable indicator lamp and comprises a sterilization indicator lamp, a refrigeration indicator lamp, a dripping indicator lamp, a lighting 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; the number of the touch keys is 7, and the touch keys are an upper key, a lower key, a determination key, a setting key, a defrosting key, a lighting key and an energy consumption display key respectively; the intelligent alarm system comprises a built-in buzzer for alarming and prompting and a built-in WIFI unit for the main control board 1 to be wirelessly connected with a remote monitoring server. The utility model discloses intelligent control still possesses alarming function. 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.

In particular, as the preferred embodiment of the present invention, the communication unit includes an NB-IOT module, an LORA module, a 4G module, and a 5G module.

When specifically implementing, as the utility model discloses preferred embodiment, remote monitoring server 4 with realize remote communication's communication mode between the main control board 1, include:

the main control board 1 accesses a WIFI unit built in the display 3 into a wireless AP to realize remote communication with the remote monitoring server 4;

the main control board 1 is connected with a GPRS network through an SIM card built in an NB-IOT module or an LORA module, and realizes remote communication with the remote monitoring server 4;

the main control board 1 is connected with a 4G network through a SIM card arranged in a 4G module, and realizes remote communication with the remote monitoring server 4;

the main control board 1 is connected with a 5G network through a SIM card arranged in a 5G module, and realizes remote communication with the remote monitoring server 4.

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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. The utility model provides an intelligent control ware based on commercial freezer, is an integrated panel, its characterized in that includes:

a main control board;

the 3-path relay output circuit is used for controlling the compressor, the alternating-current cooling fan and the defrosting heating pipe according to the control information received by the main control board;

the 3-channel direct-current switching value output circuit is used for controlling the lighting device, the sterilizing device and the direct-current cooling fan according to the control information received by the main control board;

2-channel RS485 communication circuit for realizing protocol conversion according to the control information received by the main control board;

2. The intelligent controller based on a commercial refrigerator as set forth in claim 1, further comprising a mobile/PC device terminal and a remote monitoring server electrically connected with the main control board; the remote monitoring server is connected with the main control board through a communication unit or a WIFI unit built in the display, and the mobile/PC equipment terminal is connected with the remote monitoring server through an Internet network.

3. The intelligent controller of commercial refrigerator-based according to claim 1, wherein the IOT board comprises an IOT integrated pin interface for connecting to a communication unit.

4. The intelligent controller based on commercial freezer of claim 1, wherein the main control board is further provided with a built-in independent power supply real-time clock.

5. The intelligent controller for commercial refrigerators according to claim 1, wherein the 3-way relay output circuit comprises 1-way relay output circuit for controlling the operation of the compressor in a variable frequency or fixed frequency control mode.

6. The intelligent controller of commercial refrigerator based on of claim 1, wherein the 1-way direct current PWM output circuit is a 1-way direct current PWM output circuit which controls the operation of the condensation speed regulation fan by adopting a frequency conversion or fixed frequency control mode.

7. The intelligent controller of claim 1, wherein the 3-way dc switching value output circuit is a 3-way dc switching value output circuit that controls the dc cooling fan and the lighting device to operate first, and then controls the sterilizing device to operate.

8. The intelligent controller based on commercial freezer of claim 1, wherein the display includes LED display unit for displaying LOGO, temperature, energy consumption, time, settings and operating conditions, touch keys for interactive input, built-in buzzer for alarm prompt and built-in WIFI unit for the main control board to wirelessly connect with the remote monitoring server.

9. The intelligent commercial refrigerator-based controller of claim 2, wherein the communication unit comprises an NB-IOT module, a LORA module, a 4G module, a 5G module.

10. The intelligent controller based on commercial freezer of claim 2, wherein the remote monitoring server and the master control board implement telecommunication mode, including:

the main control board is connected with the 4G network through the SIM card built in the 4G module and realizes remote communication with the remote monitoring server;

the main control board is connected with a 5G network through a SIM card built in the 5G module, and remote communication is achieved with the remote monitoring server.