CN105698460B - Refrigerator and cooling capacity compensation method applied to refrigerator - Google Patents

Refrigerator and cooling capacity compensation method applied to refrigerator Download PDF

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Publication number
CN105698460B
CN105698460B CN201410702183.1A CN201410702183A CN105698460B CN 105698460 B CN105698460 B CN 105698460B CN 201410702183 A CN201410702183 A CN 201410702183A CN 105698460 B CN105698460 B CN 105698460B
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China
Prior art keywords
refrigerator
load
cooling capacity
quality
high temperature
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CN201410702183.1A
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Chinese (zh)
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CN105698460A (en
Inventor
丁恩伟
俞国新
张维颖
李敏
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Qingdao Haier Smart Technology R&D Co Ltd
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Qingdao Haier Smart Technology R&D Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/02Compressor control
    • F25B2600/025Compressor control by controlling speed
    • F25B2600/0251Compressor control by controlling speed with on-off operation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/08Sensors using Radio Frequency Identification [RFID]

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention provides a kind of refrigerators, including the refrigeration system and cooling capacity compensation device to maintain ice the temperature inside the box constant.The cooling capacity compensation device includes: detection system, for detecting when refrigerator is stored in high temperature load to the volume and/or quality of high temperature load;Computing system, for carrying out heat Calculation according to the volume and/or quality of high temperature load;And control system, for predicting cooling capacity required for reducing load temperature according to the calculated result of computing system and controlling working time of refrigeration system, the volume and/or quality of load are bigger, and the working time of refrigeration system is longer, cooling capacity supplement it is more;The volume and/or quality of load are smaller, and the working time of refrigeration system is shorter, and cooling capacity is supplemented fewer.

Description

Refrigerator and cooling capacity compensation method applied to refrigerator
Technical field
The present invention relates to a kind of refrigerator more particularly to a kind of refrigerator and applied to the cooling capacity compensation method of refrigerator, belong to house Electrical appliance field.
Background technique
Refrigerator is a kind of so that refrigerator inside is maintained low-temperature condition to save the device of food using refrigeration.
Currently, the control of current refrigerator refrigeration system is temperature sensor (or the compartment return air inlet based on vaporizer side Air duct in) temperature in Lai Fanying refrigerator compartment, and finally control refrigeration system.When being put into high temperature food in refrigerator compartment Afterwards, an indoor temperature can change due to being put into high temperature food, still, the temperature of the vaporizer side of control refrigerator operation Sensor (or sensor at compartment return air inlet) can't be immediately detected the variation of a room temperature, but can lag sound Indoor temperature change between answering, so that temperature caused by after cannot predicting to be put into food in time due to refrigerator compartment memory is increased Greatly, and timely and accurately the work of refrigeration system is controlled, indoor temperature occurs after accessing food between being thus easy to cause Phenomena such as " toning " or " deficiency ", and then lead to the larger fluctuation of temperature in refrigerator compartment.
In view of this, it is necessary to existing refrigerator be improved, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of refrigerator, which will not cause a room temperature after being put into high temperature load Larger fluctuation.
For achieving the above object, the present invention provides a kind of refrigerators, including to maintain ice the temperature inside the box constant Refrigeration system further includes cooling capacity compensation device, and the cooling capacity compensation device includes: detection system, for being stored in high temperature in refrigerator The volume of high temperature load and/or quality are detected when load;Computing system, for according to the volume of high temperature load and/or Quality carries out heat Calculation, and the heat Calculation formula in the computing system is Q=cm (t1-t2), and wherein c is load Specific heat capacity, m are the quality of load, and t1 is the temperature value of food, and t2 is the temperature value in refrigerator compartment;And control system, it is used for Cooling capacity required for reducing load temperature is predicted according to the calculated result of computing system and controls the working time of refrigeration system, is born The volume and/or quality of load are bigger, and the working time of refrigeration system is longer, and cooling capacity is supplemented more;The volume and/or matter of load Measure smaller, the working time of refrigeration system is shorter, cooling capacity supplement it is fewer.
As a further improvement of the present invention, the detection system includes pattern recognition device, automatically to high temperature load Volume and/or quality identified.
As a further improvement of the present invention, the refrigerator further includes cabinet and the Machine Room below the cabinet, The refrigeration system include evaporator and be located at the indoor compressor of machinery.
The object of the invention is also to provide a kind of cooling capacity compensation methodes applied to refrigerator, which can By predicting the variation of high temperature load, the work of refrigeration system is controlled, effectively to avoid the larger fluctuation of temperature.
For achieving the above object, it the present invention provides a kind of cooling capacity compensation method applied to refrigerator, mainly wraps Include following steps:
S1, a detection system is provided, to carry out when refrigerator is stored in high temperature load to the volume and/or quality of high temperature load Detection;
S2, a computing system is provided, to carry out heat Calculation, the calculating according to the volume of high temperature load and/or quality Heat Calculation formula in system is Q=cm (t1-t2), and wherein c is the specific heat capacity of load, and m is the quality of load, and t1 is The temperature value of food, t2 are the temperature value in refrigerator compartment;
S3, a control system is provided, it is cold required for reducing load temperature to be predicted according to the calculated result of computing system Measure and control the working time of refrigerator refrigeration system.
As a further improvement of the present invention, the detection system includes pattern recognition device, automatically to high temperature load Volume and/or quality identified.
As a further improvement of the present invention, the refrigeration system includes compressor and evaporator.
The beneficial effects of the present invention are: refrigerator of the invention is by being provided with cooling capacity compensation device, thus being put into high temperature After load, which can predict required for reducing high temperature load according to the volume and/or quality of high temperature load Cooling capacity, and in advance control refrigeration system working time, to reduce the fluctuation of temperature in refrigerator compartment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of refrigerator of the present invention.
Fig. 2 is refrigerator of the invention when applying the prior art and cooling capacity compensation device of the invention respectively, refrigerator compartment The curve of cyclical fluctuations of interior temperature compares figure.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments The present invention is described in detail.
As shown in Figure 1, refrigerator 1 of the invention includes cabinet 10 and the door body for closing the cabinet 10.The cabinet 10 wraps Include shell 11, liner and the foaming layer 12 being filled between shell 11 and liner.The liner is including in refrigeration liner 20, alternating temperature Gallbladder 30 and refrigerated liner 40, the refrigeration liner 20 limit refrigerator room 21, the alternating temperature liner 30 in the cabinet 10 Temperature-changing chamber 31 is limited in the cabinet 10, the refrigerated liner 40 limits freezing compartment 41 in the cabinet 10, and The freezing compartment 41 is located at the lower section of the refrigerator room 21, and the temperature-changing chamber 31 is located at refrigerator room 21 and freezing compartment 41 Between.
The door body includes refrigeration door body 22, to open and close the refrigerator room 21;Alternating temperature door body 32, to beat The open and close temperature-changing chamber 31;Freezing door body 42, to open and close the freezing compartment 41.In present embodiment, institute Refrigeration door body 22, alternating temperature door body 32, freezing door body 42 is stated independently to be arranged, certainly, in other embodiments, aforementioned refrigeration Door body 22, alternating temperature door body 32, freezing door body 42 can also be set as integral type according to actual needs, not limit in this.
The lower section of the cabinet 10 is additionally provided with Machine Room 50, includes compressor 51, the pressure in the Machine Room 50 Contracting machine 51 circulates in the pipeline inside and outside the refrigerator 1 to control refrigerant.The refrigerator 1 further includes to maintain ice The constant refrigeration system of temperature in case 1, the refrigeration system includes the compressor 51, the steaming that is embedded in the foaming layer 12 Hair device 13 and the air door 14 being arranged on 40 rear wall of refrigerated liner, so that the cold air by the evaporator 13 can pass through the wind Door 14 enters the freezing compartment 41, to reduce the temperature in the freezing compartment 41.
Fig. 1 has indicated air door 14 and has been provided in refrigerated liner 40, it is not limited to be positioned only in refrigerated liner 40, It is also equipped with the air door (not shown) on the rear wall of the refrigeration liner 20 and alternating temperature liner 30, thus by the evaporator 13 cold air can enter the refrigerator room 21 and temperature-changing chamber 31 by the air door, to reduce the refrigerator room 21 and alternating temperature Temperature in room 31.It is also embedded with temperature sensor 15 in the foaming layer 12, to the refrigerator room 21, temperature-changing chamber 31 And the temperature in freezing compartment 41 carries out real-time monitoring.
The refrigerator 1 further comprises being separately positioned in the refrigerator room 21, temperature-changing chamber 31 and freezing compartment 41 Cooling capacity compensation device (not shown), certainly, the cooling capacity compensation device can also be provided separately within one of compartment as needed It is interior, it may also be arranged on interior between two of them, not limited in this.The cooling capacity compensation device includes detection system, calculates system System and control system.The detection system is used for the body when refrigerator 1 is stored in high temperature load (such as high temperature food) to high temperature load Long-pending and/or quality is detected;The computing system is used to carry out heat Calculation according to the volume and/or quality of high temperature load; The control system is used to predict cooling capacity required for reducing load temperature according to the calculated result of computing system and control in advance The working time of refrigeration system (mainly compressor 51) is reached and is subtracted with the compensation and control between carry out cooling capacity indoor refrigerator 1 The purpose of small temperature fluctuation.The volume and/or quality of load are bigger, and the working time of refrigeration system is longer, and cooling capacity supplement is got over It is more;The volume and/or quality of load are smaller, and the working time of refrigeration system is shorter, and cooling capacity is supplemented fewer.The detection system The whole movement of system, computing system, control system is automatically performed, without human intervention.
The detection system include be placed on 1 compartment of refrigerator (can be refrigerator room 21, can be temperature-changing chamber 31, be also cold Freeze compartment 41, herein not limit, be directly referred to as with compartment) in pattern recognition device, automatically to the volume of high temperature load And/or quality carries out recognition detection, described image identification device can also carry out automatic identification to the type of high temperature load simultaneously, with The auxiliary reference of working time as control system control refrigeration system.Certainly, the detection system may also comprise it He can carry out the intelligent recognition means of recognition detection to the volume of high temperature load and/or quality automatically, be not limited in image knowledge Other device, such as: gravity sensor or light transmittance identification or bar code or radio frequency identification (RFID, Radio Frequency ) or direct labor's input quality IDentification.
The temperature of the high temperature load in refrigerator is stored to be reduced to indoor temperature value between refrigerator 1, it is necessary to discharge Heat out, so that it is very important for the computing system.Heat Calculation formula in the computing system is Q=c M (t1-t2), wherein c is the specific heat capacity of load, and m is the quality of load, and t1 is the temperature value of food, and t2 is indoor between refrigerator 1 Temperature value.By taking high temperature food as an example, in the actual operation process, the value mode of the specific heat capacity c of food are as follows: will often pick and place Food be averaged after for certain value, instead of the foods of all deposit refrigerators 1;The quality m of food is intelligently known by detection system It does not detect;The temperature value t1 of food can replace (such as according to the ambient temperature value or constant certain value surveyed: 25 DEG C) by room temperature Or the temperature that can also be used when infrared temperature sensor is stored in refrigerator 1 to food carries out precise measurement;Indoor temperature between refrigerator 1 Angle value t2 is obtained by the temperature sensor 15 detection.
Cooling capacity compensation device of the invention includes that the difference there are two types of embodiment, between two kinds of embodiments is: real The temperature value t1 for applying the food in example one is that temperature when being stored in refrigerator 1 to food using infrared temperature sensor is accurately surveyed It measures and obtains, accurately calculated with the heat to high temperature load, to accurately control the working time of compressor 51, cooling capacity It is lost smaller;And the temperature value t1 of the food in embodiment two is replaced by room temperature, needs not move through precise measurement, to control roughly The working time of compressor 51 processed, but to will lead to cold consumption larger for such design.
The working principle of the compressor 51 is the prior art, is no longer illustrated in this.
Cooling capacity compensation method applied to refrigerator 1 of the invention, mainly comprises the steps that
S1, provide a detection system, with when refrigerator 1 is stored in high temperature load to the volume of high temperature load and/or quality into Row detection;
S2, a computing system is provided, to carry out heat Calculation according to the volume of high temperature load and/or quality;
S3, a control system is provided, it is cold required for reducing load temperature to be predicted according to the calculated result of computing system Measure and control the working time of 1 refrigeration system of refrigerator.
As shown in Fig. 2, when for using the prior art and cooling capacity compensation device of the invention, indoor temperature between refrigerator 1 The curve of cyclical fluctuations compares figure.From this figure, it can be seen that after storing high temperature load, using the ice of cooling capacity compensation device of the invention Indoor temperature fluctuation is less than indoor temperature fluctuation between the refrigerator 1 using the prior art between case 1, while evaporator 13 is averaged Temperature again smaller than the evaporator 13 of existing general refrigerator mean temperature, to reduce energy consumption.
In conclusion refrigerator 1 of the invention is by being provided with cooling capacity compensation device in an interior, thus negative being put into high temperature After load, which can predict required for reducing high temperature load according to the volume and/or quality of high temperature load Cooling capacity, and the working time of refrigeration system is controlled in advance, to can not only reduce the fluctuation of 1 room temperature of refrigerator, simultaneously also The mean temperature of evaporator 13 can be reduced, energy consumption is reduced.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. a kind of refrigerator, including the refrigeration system to maintain ice the temperature inside the box constant, it is characterised in that: further include cooling capacity compensation Device, the cooling capacity compensation device includes: detection system, for when refrigerator is stored in high temperature load to the volume of high temperature load And/or quality is detected;Computing system, for carrying out heat Calculation, the meter according to the volume and/or quality of high temperature load Heat Calculation formula in calculation system is Q=cm (t1-t2), and wherein c is the specific heat capacity of load, and m is the quality of load, t1 For the temperature value of food, t2 is the temperature value in refrigerator compartment;And control system, for pre- according to the calculated result of computing system It surveys cooling capacity required for reducing load temperature and controls the working time of refrigeration system, the volume and/or quality of load are bigger, system The working time of cooling system is longer, and cooling capacity is supplemented more;The volume and/or quality of load are smaller, when the work of refrigeration system Between it is shorter, cooling capacity supplement it is fewer.
2. refrigerator according to claim 1, it is characterised in that: the detection system includes pattern recognition device, with automatic The volume and/or quality of high temperature load are identified.
3. refrigerator according to claim 1, it is characterised in that: the refrigerator further includes cabinet and is located at below the cabinet Machine Room, the refrigeration system include evaporator and be located at the indoor compressor of machinery.
4. a kind of cooling capacity compensation method applied to refrigerator, which is characterized in that mainly comprise the steps that
S1, a detection system is provided, to examine when refrigerator is stored in high temperature load to the volume and/or quality of high temperature load It surveys;
S2, a computing system is provided, to carry out heat Calculation, the computing system according to the volume of high temperature load and/or quality In heat Calculation formula be Q=cm (t1-t2), wherein c be load specific heat capacity, m be load quality, t1 is food Temperature value, t2 be refrigerator compartment in temperature value;
S3, a control system is provided, to predict cooling capacity required for reducing load temperature simultaneously according to the calculated result of computing system Control the working time of refrigerator refrigeration system.
5. the cooling capacity compensation method according to claim 4 applied to refrigerator, it is characterised in that: the detection system includes Pattern recognition device, to be identified automatically to the volume of high temperature load and/or quality.
6. the cooling capacity compensation method according to claim 4 applied to refrigerator, it is characterised in that: the refrigeration system includes Compressor and evaporator.
CN201410702183.1A 2014-11-28 2014-11-28 Refrigerator and cooling capacity compensation method applied to refrigerator Active CN105698460B (en)

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CN105698460B true CN105698460B (en) 2019-11-05

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CN105758109A (en) * 2016-04-07 2016-07-13 合肥海尔电冰箱有限公司 Refrigerator refrigerating time control method and apparatus based on food
CN106369931B (en) * 2016-11-08 2018-12-18 合肥华凌股份有限公司 A kind of refrigerator temperature control method, refrigerator temperature control system and refrigerator
KR20180065446A (en) 2016-12-08 2018-06-18 삼성전자주식회사 Refrigerator
CN109028742A (en) * 2017-06-12 2018-12-18 合肥华凌股份有限公司 For determining the method and system of food weight in refrigerator
CN112696853A (en) * 2019-10-23 2021-04-23 青岛海尔特种电冰柜有限公司 Refrigerator and control method thereof
CN111536749B (en) * 2020-04-24 2022-02-18 海信(山东)冰箱有限公司 Refrigerator and control method thereof
CN114111162A (en) * 2020-08-31 2022-03-01 青岛海尔电冰箱有限公司 Refrigerator and control method thereof
CN114111199B (en) * 2020-08-31 2023-04-07 青岛海尔电冰箱有限公司 Control method of refrigerator
CN113483519A (en) * 2021-06-15 2021-10-08 安徽康佳同创电器有限公司 Novel refrigerator with function of storing tropical fruits and control method thereof
CN115289775B (en) * 2022-07-11 2023-12-19 珠海格力电器股份有限公司 Control method for compensating refrigerator door opening cold quantity loss, refrigerator and storage medium

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