CN114165973A - Intelligent anti-condensation control method and system - Google Patents
Intelligent anti-condensation control method and system Download PDFInfo
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- CN114165973A CN114165973A CN202111468144.6A CN202111468144A CN114165973A CN 114165973 A CN114165973 A CN 114165973A CN 202111468144 A CN202111468144 A CN 202111468144A CN 114165973 A CN114165973 A CN 114165973A
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- temperature
- door
- heating system
- dew point
- refrigerator
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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
- 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
- F25D21/04—Preventing the formation of frost or condensate
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
Abstract
The invention provides an intelligent anti-condensation control method and system. The method comprises the following steps: acquiring the ambient temperature and the ambient humidity by an ambient temperature sensor and an ambient humidity sensor which are arranged at an air inlet of the refrigerating system; calculating the dew point temperature according to the environment temperature and the environment humidity; acquiring the temperature of a box door by a box door temperature sensor arranged on the glass door; and comparing the temperature of the door with the action temperature of the heating system, and starting or closing the door heating system according to the comparison result, wherein the correlation relation between the action temperature of the heating system and the dew point temperature is preset. The invention is used for preventing the condensation of the door glass and reducing the power consumption during operation.
Description
Technical Field
The invention relates to a refrigeration system of a refrigerator, in particular to an intelligent anti-condensation control method and system.
Background
The conventional medical refrigerator is provided with a glass door structure, so that the state of a stored sample is convenient to observe, but under the environment with high humidity, due to the temperature difference between the inside and the outside of the refrigerator, when the external temperature of the door glass is lower than the dew point temperature, dew can be condensed on the glass door, and inconvenience is brought to a user. The method for solving the problem of dewing of the glass door is to add an electric heating film on the glass, and continuously electrify the refrigerator door to heat when the refrigerator is electrified, so that the temperature of the glass of the door is higher than the dew point temperature, and the glass of the door is ensured not to generate dewing. However, the continuous heating of the electric heating film has the disadvantages that the power consumption is increased, and the heat generated by the electric heating door glass is also conducted into the refrigerator, so that the temperature of the storage space of the refrigerator is increased, and the refrigeration load of the refrigerator is increased.
Disclosure of Invention
According to the technical problem that the electric heating film is continuously heated to increase the power consumption and further increase the refrigeration load, the intelligent anti-condensation control method and the intelligent anti-condensation control system are provided. According to the invention, the starting operation power of the heating film is judged according to the operating environment working condition through an intelligent control method, so that the energy consumption of the refrigerator operation is reduced.
The technical means adopted by the invention are as follows:
an intelligent anti-condensation control method is applied to an intelligent refrigerator system and controls a refrigerator door heating system and a compressor refrigerating system in parallel, wherein the control method for the refrigerator door heating system comprises the following steps:
acquiring the ambient temperature and the ambient humidity by an ambient temperature sensor and an ambient humidity sensor which are arranged at an air inlet of the refrigerating system;
acquiring dew point temperature according to the environment temperature and the environment humidity;
acquiring the temperature of a box door by a box door temperature sensor arranged on the glass door;
and comparing the temperature of the door with the action temperature of the heating system, and starting or closing the door heating system according to the comparison result, wherein the correlation relation between the action temperature of the heating system and the dew point temperature is preset.
Further, the preset correlation between the operating temperature of the heating system and the dew point temperature is as follows: the operating temperature of the heating system is the sum of the dew point temperature and an offset value, wherein the offset value is preset.
Further, the preset correlation between the operating temperature of the heating system and the dew point temperature is as follows: the operating temperature of the heating system is the dew point temperature.
Further, the control method for the compressor refrigeration system comprises the following steps:
acquiring the temperature in the refrigerator by an in-refrigerator temperature sensor arranged in the refrigerator;
the temperature in the tank and the operating temperature of the compressor are compared, and the refrigeration compressor is started or shut down according to the comparison result.
The invention also provides an intelligent anti-condensation control system, which is applied to an intelligent refrigerator system and comprises a box door heating control subsystem and a compressor refrigeration control subsystem which work in parallel, wherein the box door heating control subsystem comprises:
the first extraction unit is used for acquiring the ambient temperature and the ambient humidity by an ambient temperature sensor and an ambient humidity sensor which are arranged at an air inlet of the refrigeration system;
a calculation unit for calculating a dew point temperature from the ambient temperature and the ambient humidity;
a second extraction unit for acquiring a door temperature by a door temperature sensor provided on the glass door;
and the control unit is used for comparing the temperature of the door with the action temperature of the heating system and starting or closing the door heating system according to the comparison result, wherein the incidence relation between the action temperature of the heating system and the dew point temperature is preset.
Further, the preset correlation between the operating temperature of the heating system and the dew point temperature is as follows: the operating temperature of the heating system is the sum of the dew point temperature and an offset value, wherein the offset value is preset.
Further, the preset correlation between the operating temperature of the heating system and the dew point temperature is as follows: the operating temperature of the heating system is the dew point temperature.
Further, the compressor refrigeration control subsystem includes:
a third extraction unit for acquiring an in-box temperature by an in-box temperature sensor provided inside the refrigerator;
and a refrigeration control unit for comparing the temperature in the refrigerator with the operating temperature of the compressor and starting or stopping the refrigeration compressor according to the comparison result.
Compared with the prior art, the invention has the following advantages:
1. the invention is mainly used for the door glass anti-condensation system of the refrigeration refrigerator, judges the starting operation power of the heating film according to the operation environment working condition by an intelligent control method, and reduces the energy consumption of the refrigerator operation.
2. The invention relates the heating starting temperature and the dew point temperature, so that the heating system is indirectly related to the temperature and humidity data of the use environment, and the universality of the system in different application environments is ensured.
Based on the reasons, the invention can be widely popularized in the field of refrigeration systems such as refrigerators, freezers 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 control flowchart of a conventional refrigeration system with an anti-condensation function.
Fig. 2 is a control flow chart of the intelligent anti-condensation refrigeration system of the invention.
Fig. 3 is a schematic structural view of a refrigerator equipped with the intelligent anti-condensation refrigeration system of the present invention.
In the figure: 1. an inner box; 2. an outer box; 3. a controller; 4. a temperature and humidity sensor for a glass door; 5. an ambient temperature sensor; 6. an air inlet.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be 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 should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The existing anti-dewing technology for the refrigerator is that a glass door is provided with an electric heating film with fixed power, and after the refrigerator is powered on and opened, the electric heating film is heated and operated with fixed power, as shown in fig. 1. Under the operating condition that does not need heating, the continuous work of electrical heating membrane can produce unnecessary power consumptive, and the heat can be conducted inside the refrigerator through glass simultaneously, makes the heat load of refrigerator increase. In order to solve the problems, the invention discloses an intelligent anti-condensation control method which is applied to an intelligent refrigerator system and used for controlling a refrigerator door heating system and a compressor refrigerating system in parallel, wherein the control flow is shown in fig. 2. And when the box door heating system is controlled, the anti-condensation heating element is controlled to start and stop according to the dew point temperature. When the compressor refrigeration system is controlled, the compressor is controlled to start and stop according to the temperature in the box.
Specifically, the control method for the door heating system comprises the following steps:
s101, acquiring the ambient temperature and the ambient humidity by an ambient temperature sensor and an ambient humidity sensor which are arranged at an air inlet of the refrigerating system.
And S102, acquiring the dew point temperature according to the environment temperature and the environment humidity. Specifically, the dew point temperature may be obtained from a look-up table of pre-stored ambient temperature, relative humidity, and dew point temperature.
And S103, acquiring the temperature of the door by a door temperature sensor arranged on the glass door. Specifically, the temperature sensor is usually placed at a position where the temperature is low and the dew point temperature is most easily reached, and the present invention is preferably provided on the door glass.
S104, comparing the temperature of the door with the action temperature of the heating system, and starting or closing the door heating system according to the comparison result, wherein the correlation between the action temperature of the heating system and the dew point temperature is preset.
Preferably, in this embodiment, the preset correlation between the operating temperature of the heating system and the dew point temperature is: the operating temperature of the heating system is the sum of the dew point temperature and an offset value, wherein the offset value is preset. The deviation value is understood here to mean a fixed error range, for example 0.5 ℃, 1 ℃ etc., which is selected according to the overall control accuracy.
Further, the control method for the compressor refrigeration system comprises the following steps:
s201, acquiring the temperature in the refrigerator by using an in-refrigerator temperature sensor arranged in the refrigerator;
s202, comparing the temperature in the refrigerator with the operating temperature of the compressor, and starting or closing the refrigeration compressor according to the comparison result.
The solution of the invention is further illustrated below by means of specific application examples:
the embodiment provides an intelligence heating anti-condensation system, be applied to like in the refrigerator system shown in fig. 3, this heating system contains electric heating film (paste on door glass surface), heating power supply loop, switching power supply, ambient temperature monitoring probe, ambient humidity monitoring probe, temperature control probe, controller isotructure, wherein prefabricated calculation and control program in the controller, wherein ambient temperature monitoring probe and ambient humidity monitoring probe place in the outside certain position of refrigerator, and temperature control probe places in door glass surface. When the refrigerator is powered on and operated, the environmental temperature monitoring probe and the environmental humidity monitoring probe sense the temperature and the humidity of the environment, the controller converts the monitored temperature and the humidity into dew point temperature, meanwhile, the temperature control probe monitors the surface temperature of the glass, when the surface temperature of the glass is lower than the dew point temperature (or the dew point temperature plus a deviation value), the controller sends an instruction to switch on a switching power supply, a heating power supply loop is powered on, an electric heating film is opened to heat the door glass, when the temperature control probe monitors that the surface temperature of the glass is higher than the dew point temperature (the dew point temperature plus the deviation value), the controller sends an instruction to switch off the switching power supply, the heating power supply loop is switched off, and the electric heating film stops heating the door glass. The circulation control solves the problems that the power consumption is increased when the electric heating film is in a normally open state, and the heat load of the storage space of the refrigerator is increased, and the energy conservation is realized. When in autumn and winter, the air humidity is low, the door glass can not reach the dew point temperature below the normal temperature, and the heating film does not need to be opened.
Corresponding to the intelligent anti-condensation control method in the application, the application also provides an intelligent anti-condensation control system, which is applied to an intelligent refrigerator system and comprises a box door heating control subsystem and a compressor refrigeration control subsystem which work in parallel, wherein the box door heating control subsystem comprises:
the first extraction unit is used for acquiring the ambient temperature and the ambient humidity by an ambient temperature sensor and an ambient humidity sensor which are arranged at an air inlet of the refrigerating system.
And the calculation unit is used for calculating the dew point temperature according to the environment temperature and the environment humidity.
And the second extraction unit is used for acquiring the temperature of the glass door by a door temperature sensor arranged on the glass door.
And the control unit is used for comparing the temperature of the door with the action temperature of the heating system and starting or closing the door heating system according to the comparison result, wherein the incidence relation between the action temperature of the heating system and the dew point temperature is preset.
Further, the preset correlation between the operating temperature of the heating system and the dew point temperature is as follows: the operating temperature of the heating system is the sum of the dew point temperature and an offset value, wherein the offset value is preset.
Further, the compressor refrigeration control subsystem includes:
a third extraction unit for acquiring an in-box temperature by an in-box temperature sensor provided inside the refrigerator;
and a refrigeration control unit for comparing the temperature in the refrigerator with the operating temperature of the compressor and starting or stopping the refrigeration compressor according to the comparison result.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
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 (8)
1. The utility model provides an intelligence anti-condensation control method, is applied to intelligent refrigerator system, its characterized in that carries out parallel control to chamber door heating system and compressor refrigerating system, wherein to the control method of chamber door heating system including:
acquiring the ambient temperature and the ambient humidity by an ambient temperature sensor and an ambient humidity sensor which are arranged at an air inlet of the refrigerating system;
acquiring dew point temperature according to the environment temperature and the environment humidity;
acquiring the temperature of a box door by a box door temperature sensor arranged on the glass door;
and comparing the temperature of the door with the action temperature of the heating system, and starting or closing the door heating system according to the comparison result, wherein the correlation relation between the action temperature of the heating system and the dew point temperature is preset.
2. The intelligent anti-condensation control method according to claim 1, wherein the preset correlation between the operating temperature of the heating system and the dew point temperature is: the operating temperature of the heating system is the sum of the dew point temperature and an offset value, wherein the offset value is preset.
3. The intelligent anti-condensation control method according to claim 1, wherein the preset correlation between the operating temperature of the heating system and the dew point temperature is: the operating temperature of the heating system is the dew point temperature.
4. The intelligent anti-dewing control method as claimed in claim 1, wherein the control method for the compressor refrigeration system comprises:
acquiring the temperature in the refrigerator by an in-refrigerator temperature sensor arranged in the refrigerator;
the temperature in the tank and the operating temperature of the compressor are compared, and the refrigeration compressor is started or shut down according to the comparison result.
5. The utility model provides an intelligence anti-condensation control system, is applied to intelligent refrigerator system, its characterized in that, including parallel work's chamber door heating control subsystem and compressor refrigeration control subsystem, wherein chamber door heating control subsystem includes:
the first extraction unit is used for acquiring the ambient temperature and the ambient humidity by an ambient temperature sensor and an ambient humidity sensor which are arranged at an air inlet of the refrigeration system;
a calculation unit for calculating a dew point temperature from the ambient temperature and the ambient humidity;
a second extraction unit for acquiring a door temperature by a door temperature sensor provided on the glass door;
and the control unit is used for comparing the temperature of the door with the action temperature of the heating system and starting or closing the door heating system according to the comparison result, wherein the incidence relation between the action temperature of the heating system and the dew point temperature is preset.
6. The intelligent anti-condensation control system according to claim 5, wherein the preset correlation between the operating temperature of the heating system and the dew point temperature is: the operating temperature of the heating system is the sum of the dew point temperature and an offset value, wherein the offset value is preset.
7. The intelligent anti-condensation control system according to claim 5, wherein the preset correlation between the operating temperature of the heating system and the dew point temperature is: the operating temperature of the heating system is the dew point temperature.
8. The intelligent anti-dewing control system as claimed in claim 5, wherein the compressor refrigeration control subsystem comprises:
a third extraction unit for acquiring an in-box temperature by an in-box temperature sensor provided inside the refrigerator;
and a refrigeration control unit for comparing the temperature in the refrigerator with the operating temperature of the compressor and starting or stopping the refrigeration compressor according to the comparison result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111468144.6A CN114165973A (en) | 2021-12-03 | 2021-12-03 | Intelligent anti-condensation control method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111468144.6A CN114165973A (en) | 2021-12-03 | 2021-12-03 | Intelligent anti-condensation control method and system |
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| CN114165973A true CN114165973A (en) | 2022-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001346A1 (en) * | 2022-06-28 | 2024-01-04 | 青岛海尔生物医疗科技有限公司 | Control method for biological culture device, and biological culture device |
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| CN106288633A (en) * | 2015-05-26 | 2017-01-04 | 青岛海尔智能技术研发有限公司 | Condensation prevention control method and refrigeration plant for refrigeration plant |
| CN208871805U (en) * | 2018-09-25 | 2019-05-17 | 南京慧和建筑技术有限公司 | A kind of anti-condensation control device in air-conditioning system |
| US20200363847A1 (en) * | 2019-05-17 | 2020-11-19 | Zebra Technologies Corporation | Anti-Condensation Method and System for Data Capture Device |
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2021
- 2021-12-03 CN CN202111468144.6A patent/CN114165973A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288633A (en) * | 2015-05-26 | 2017-01-04 | 青岛海尔智能技术研发有限公司 | Condensation prevention control method and refrigeration plant for refrigeration plant |
| CN208871805U (en) * | 2018-09-25 | 2019-05-17 | 南京慧和建筑技术有限公司 | A kind of anti-condensation control device in air-conditioning system |
| US20200363847A1 (en) * | 2019-05-17 | 2020-11-19 | Zebra Technologies Corporation | Anti-Condensation Method and System for Data Capture Device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024001346A1 (en) * | 2022-06-28 | 2024-01-04 | 青岛海尔生物医疗科技有限公司 | Control method for biological culture device, and biological culture device |
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