CN115616965A

CN115616965A - Controller

Info

Publication number: CN115616965A
Application number: CN202211379858.4A
Authority: CN
Inventors: 鲍宏宇; 王亮; 孙绍官; 姜忠龄; 王义斌; 高俊方; 陈惠义; 于彤娟; 胡耀鑫; 唐佳超; 王金浩; 孙晓智
Original assignee: Panasonic Appliances Cold Chain Dalian Co Ltd
Current assignee: Panasonic Appliances Cold Chain Dalian Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-01-17

Abstract

The invention provides a controller, including the master control board, the master control board is an integrated panel, integrate with input channel and output channel, including: the temperature acquisition input circuit comprises a 5-channel temperature acquisition input circuit for controlling a temperature sensor, a 1-channel humidity acquisition input circuit for controlling a humidity sensor, a 1-channel induction acquisition input circuit for controlling a human body induction sensor, a door switch input circuit for controlling a door switch, and an external switch input circuit for controlling an external switch according to a control command of a main control board; the system comprises 2 paths of compressor output circuits controlled by a compressor, an anti-condensation heating wire output circuit controlled by an anti-condensation heating wire, a fan output circuit controlled by a fan, 2 paths of lighting output circuits controlled by a lighting device, a display interface circuit controlled by a display and an RS485 communication circuit controlled by a communication protocol. The controller has the functions of double-compressor control, human body induction automatic dimming, temperature and humidity detection and automatic condensation prevention, and achieves the energy-saving effect.

Description

Controller

Technical Field

The invention relates to the technical field of energy-saving, environment-friendly and refrigerators, in particular to a controller.

Background

The commercial refrigerator is a product of market economy, and the product form is gradually subdivided along with the development and the continuous expansion of market scales of various manufacturers for large beverages, ice creams and quick-frozen foods. At first, the temperature of articles is generally kept by using an insulation can in the market, and then with the appearance of refrigerators, common foaming door refrigerators are adopted to store beverages and ice products for selling in supermarkets, street spots and the like, the rapid development of fast-moving products drives the development and marketing of commercial refrigerators, and the market scale of the commercial refrigerators is rapidly enlarged due to the fact that the display is more visual, the storage temperature is more professional, the use is more convenient, and the market scale of the commercial refrigerators is rapidly enlarged.

The commercial refrigerator has strong specialty, not only has professional storage temperature requirement, but also has strong requirement on exhibition performance, and the refrigerator with good exhibition performance can effectively promote the sales of operators, so that a typical characteristic of the commercial refrigerator is that a single-layer or multi-layer transparent glass door (except a kitchen refrigerator for storing food materials) is adopted, and consumers can see internal articles without opening a refrigerator door body. However, with the development of technology and the requirement of environmental protection, most commercial refrigerators cannot meet the market requirement.

Disclosure of Invention

In accordance with the technical problem set forth above, a controller is provided. The controller of the invention has 5 paths of temperature acquisition, 1 path of humidity acquisition, 1 path of induction acquisition, a display interface, a power supply input interface, a door switch input, an external switch input, 2 paths of compressor output, an anti-condensation heating wire output, an evaporation fan output, a condensation fan output, 2 paths of illumination output, an RS485 communication interface and the like. The double-compressor control function is realized; a human body induction automatic dimming function; temperature and humidity detection function, automatic adjustment prevent condensation function, reach energy-conserving effect.

The technical means adopted by the invention are as follows:

a controller, comprising:

the main control board, the main control board is an integrated panel, and the integration has input channel and output channel, includes:

the 5-path temperature acquisition input circuit is used for controlling the temperature sensor according to a control instruction of the main control board;

the 1-path humidity acquisition input circuit is used for controlling the humidity sensor according to a control instruction of the main control panel;

the 1-path induction acquisition input circuit is used for controlling the human body induction sensor according to a control instruction of the main control panel;

the door switch input circuit is used for controlling the door switch according to the control instruction of the main control panel;

the external switch input circuit is used for controlling an external switch according to a control instruction of the main control panel;

the 2-channel compressor output circuit is used for controlling the compressor according to the control instruction of the main control panel;

the anti-condensation heating wire output circuit is used for controlling the anti-condensation heating wire according to the control instruction of the main control panel;

the fan output circuit is used for controlling the fan according to the control instruction of the main control board;

the 2-path illumination output circuit is used for controlling the illumination device according to the control instruction of the main control board;

the display interface circuit is used for controlling the display according to the control instruction of the main control panel;

and the RS485 communication circuit is used for realizing the control of the communication protocol according to the control instruction of the main control board.

Furthermore, 5 way temperature acquisition input circuit is used for detecting the interior temperature of cabinet, temperature adjusting temperature, defrosting temperature, condensing temperature to show temperature offset.

Furthermore, the 1-path humidity acquisition input circuit is used for detecting the humidity in the cabinet and is provided with a corresponding measuring range and linearity.

Furthermore, the 2-channel compressor output circuit is used for setting the power-on start delay, the minimum running time and the minimum shutdown time of the two compressors and controlling the running and stopping time of the compressors when the sensor fails.

Further, prevent that condensation heater strip output circuit connects 5 way temperature acquisition input circuit and 1 way humidity acquisition input circuit for prevent the condensation heater strip according to the humiture information automatic control who gathers, set up the control mode who prevents the condensation, prevent opening of condensation.

Furthermore, the fan output circuit comprises an evaporation fan output circuit and a condensation fan output circuit, and is used for setting a fan control mode, a non-cold-time fan operation mode and fan starting time delay after water drops.

Furthermore, the 2-path illumination output circuit is connected with the 1-path induction acquisition input circuit, illumination brightness is automatically adjusted according to human body information induced by the human body induction sensor, and an illumination control type and an output duty ratio of 2-path illumination can be set to control illumination communication and induction distance.

Furthermore, the main control board is also connected with an alarm circuit, the alarm circuit is connected with the 5-path temperature acquisition input circuit, the 1-path humidity acquisition input circuit, the door switch input circuit, the external switch input circuit, the 2-path compressor output circuit, the anti-condensation heating wire output circuit, the fan output circuit, the 2-path lighting output circuit and the display interface circuit, and the alarm circuit is used for giving an alarm when the connected circuits are abnormal.

Furthermore, the main control board is further connected with a timing circuit, the timing circuit is connected with the 2 paths of compressor output circuits, the anti-condensation heating wire output circuit, the fan output circuit and the 2 paths of lighting output circuits, and the timing circuit is used for setting refrigeration non-cold starting stop time, defrosting timing time, dimming timing starting stop time, two paths of lighting output duty ratios, anti-condensation timing control and energy-saving mode timing starting stop time.

Furthermore, the display interface circuit is connected with a display, and the display is used for displaying the current system time, the running state, the temperature and humidity sensor values, the model number and the software version number.

Compared with the prior art, the invention has the following advantages:

1. the controller provided by the invention is controlled by the two compressors, meets the control of the double-compressor refrigerator, can set the power-on starting delay, the minimum running time and the minimum shutdown time of the two compressors, and controls the running and stopping time of the compressors when the sensor fails, thereby achieving the energy-saving effect.

2. The controller provided by the invention automatically adjusts the illumination brightness according to the human body information sensed by the human body sensing sensor, can set the illumination control type and the output duty ratio of 2-path illumination, and controls illumination communication and sensing distance, thereby achieving the experience effect, and being energy-saving and environment-friendly.

3. The controller provided by the invention automatically controls the anti-condensation heating wire according to the collected temperature and humidity information, sets the anti-condensation control mode, and can achieve the effects of reducing energy consumption and saving energy by opening the anti-condensation heater.

4. The controller provided by the invention is also provided with factory setting and inspection functions, so that the production line efficiency can be improved, and the factory qualification rate can be improved.

Based on the reason, the invention can be widely popularized in the fields of energy conservation, environmental protection, refrigerators 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 schematic diagram of a controller according to the present invention.

Fig. 2 is a schematic diagram of a main control board structure according to the present invention.

FIG. 3 is a hardware front view of the controller of the present invention.

FIG. 4 is a reverse view of the controller hardware of the present invention.

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 that are known by one 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, it need not be discussed further 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.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional 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 term "above … …" may include both orientations 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 and 2, the present invention provides a controller, including:

the 1-path humidity acquisition input circuit is used for controlling the humidity sensor according to a control instruction of the main control board;

the door switch input circuit is used for controlling a door switch according to a control instruction of the main control panel;

the external switch input circuit is used for controlling an external switch according to a control instruction of the main control board;

the 2-channel compressor output circuit is used for controlling the compressor according to the control instruction of the main control board;

the fan output circuit is used for controlling the evaporation fan according to the control instruction of the main control board;

In specific implementation, as a preferred embodiment of the present invention, the controller has a temperature detection function, and the 5-way temperature acquisition input circuit is used for detecting the temperature in the cabinet, the temperature regulation temperature, the defrosting temperature and the condensing temperature, and displaying the temperature offset.

In specific implementation, as a preferred embodiment of the present invention, the controller has a humidity detection function, and the 1-way humidity acquisition input circuit is used for detecting humidity in the cabinet and is provided with a corresponding measuring range and linearity.

In specific implementation, as a preferred embodiment of the invention, the controller has a refrigeration function, and can be used for setting a temperature set value, upper and lower limits, temperature deviation, floating deviation in an energy-saving mode and refrigeration non-cold switching;

in specific implementation, as a preferred embodiment of the present invention, the controller has a compressor control function, and the 2-way compressor output circuit is used to set the power-on start delay, the minimum running time, the minimum shutdown time of the two compressors, and the running and shutdown time of the compressor when the control sensor fails.

In specific implementation, as a preferred embodiment of the invention, the controller has a defrosting function, and can set a defrosting mode (periodic defrosting, timed defrosting, accumulated defrosting), a defrosting period, defrosting time, defrosting return temperature, dripping time, display content during defrosting, shielding time after dripping, high-temperature alarm shielding time after defrosting, forced defrosting and defrosting release;

in specific implementation, as a preferred embodiment of the present invention, the controller has a fan control function, and the fan output circuit includes an evaporation fan output circuit and a condensation fan output circuit, and is configured to set a fan control mode, a non-cold-time fan operation mode, and a fan start delay after water drops.

In specific implementation, as a preferred embodiment of the present invention, the controller has an anti-condensation control function, and the output circuit of the anti-condensation heater wire is connected to the 5-way temperature acquisition input circuit and the 1-way humidity acquisition input circuit, and is configured to automatically control the anti-condensation heater wire according to the acquired temperature and humidity information, and set an anti-condensation control mode to start the anti-condensation.

In specific implementation, as a preferred embodiment of the present invention, the controller has an illumination control function, and the 2-way illumination output circuit is connected to the 1-way sensing acquisition input circuit, so as to automatically adjust illumination brightness according to human body information sensed by the human body sensing sensor, and set an illumination control type, an output duty ratio of the 2-way illumination, and control illumination communication and sensing distance.

In specific implementation, as a preferred embodiment of the present invention, the controller has an alarm function, and the main control board thereof integrates an alarm circuit, and the alarm circuit is connected to the 5 temperature acquisition input circuits, the 1 humidity acquisition input circuit, the door switch input circuit, the external switch input circuit, the 2 compressor output circuits, the anti-condensation heating wire output circuit, the fan output circuit, the 2 lighting output circuits, and the display interface circuit, and is used for giving an alarm when the connected circuits are abnormal.

In specific implementation, as a preferred embodiment of the present invention, the controller has a timing function, and the main control board thereof integrates a timing circuit, and the timing circuit is connected to the 2 compressor output circuits, the anti-condensation heater output circuit, the fan output circuit, and the 2 lighting output circuits, and is configured to set a refrigeration non-cold start stop time, a defrosting timing time, a dimming timing start stop time, two lighting output duty ratios, an anti-condensation timing control, and an energy saving mode timing start stop time.

In specific implementation, as a preferred implementation mode of the present invention, the controller of the present application has a basic information display function, and a display interface circuit integrated with a main control board of the controller is connected to a display, and the display is used for displaying current system time, operation states (initialization, door switch display, fault display, setting display, refrigeration operation display, defrosting operation display, drip display, non-air cooler on-off state display, illumination and anti-condensation display, locking display), temperature and humidity sensor values, model numbers and software version numbers.

In specific implementation, as a preferred embodiment of the invention, the controller of the application also has a setting function and a clock function, wherein the setting function can set a communication address, a baud rate, a model setting mode, a locking mode, a recovery default, time setting, a switching value input function and a buzzer; the clock function has power-off time protection;

in specific implementation, as a preferred implementation mode of the invention, the controller further has a key setting display function, and can set the functions of starting and stopping light, preventing condensation starting and stopping, checking and adjusting energy conservation, setting, refrigerating non-cold switching, forced defrosting and the like.

In specific implementation, as a preferred implementation mode of the invention, the controller further has factory setting and inspection functions, and can detect the output of the relay, input the switching value signal and input the display value by the temperature and humidity sensor. The factory setting and inspection functions are set, so that the production line efficiency can be improved, and the factory qualification rate is improved.

Fig. 3 and 4 show the hardware front and back views of the controller in the above embodiment of the present invention.

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 these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A controller, comprising:

2. The controller of claim 1, wherein the 5-way temperature acquisition input circuit is used for detecting the temperature in the cabinet, the temperature regulation temperature, the defrosting temperature, the condensing temperature and displaying the temperature offset.

3. The controller of claim 1, wherein the 1-way humidity acquisition input circuit is used for detecting humidity in the cabinet and is provided with a corresponding range and linearity.

4. The controller of claim 1, wherein the 2-way compressor output circuit is configured to set a power-on start-up delay, a minimum run time, a minimum shutdown time for both compressors, and a compressor run and shutdown time for a control sensor failure.

5. The controller according to claim 1, wherein the anti-condensation heater strip output circuit is connected with 5 temperature acquisition input circuits and 1 humidity acquisition input circuit, and is used for automatically controlling the anti-condensation heater strip according to acquired temperature and humidity information, setting an anti-condensation control mode, and preventing the opening of condensation.

6. The controller of claim 1, wherein the fan output circuit comprises an evaporator fan output circuit and a condenser fan output circuit for setting a fan control mode, a non-cool time fan operation mode, and a fan start-up delay after a water drop.

7. The controller according to claim 1, wherein the 2-way illumination output circuit is connected to the 1-way sensing and collecting input circuit, and is used for automatically adjusting illumination brightness according to the human body information sensed by the human body sensing sensor, and setting an illumination control type, an output duty ratio of 2-way illumination, and controlling illumination communication and sensing distance.

8. The controller according to claim 1, wherein the main control board is further connected with an alarm circuit, and the alarm circuit is connected with the 5-way temperature acquisition input circuit, the 1-way humidity acquisition input circuit, the door switch input circuit, the external switch input circuit, the 2-way compressor output circuit, the anti-condensation heating wire output circuit, the fan output circuit, the 2-way lighting output circuit and the display interface circuit, and is used for giving an alarm when the connected circuits are abnormal.

9. The controller according to claim 1, wherein the main control board is further connected with a timing circuit, and the timing circuit is connected with the 2-way compressor output circuit, the anti-condensation heating wire output circuit, the fan output circuit and the 2-way lighting output circuit and is used for setting refrigeration non-cold start stop time, defrosting timing time, dimming timing start stop time, two-way lighting output duty ratio, anti-condensation timing control and energy-saving mode timing start stop time.

10. The controller of claim 1, wherein the display interface circuit is connected to a display for displaying current system time, operating status, temperature and humidity sensor values, model number and software version number.