CN113803931A - System and method for balancing internal and external air pressure of refrigerator - Google Patents

System and method for balancing internal and external air pressure of refrigerator Download PDF

Info

Publication number
CN113803931A
CN113803931A CN202111200177.2A CN202111200177A CN113803931A CN 113803931 A CN113803931 A CN 113803931A CN 202111200177 A CN202111200177 A CN 202111200177A CN 113803931 A CN113803931 A CN 113803931A
Authority
CN
China
Prior art keywords
air pressure
refrigerator
cabin
balancing
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111200177.2A
Other languages
Chinese (zh)
Other versions
CN113803931B (en
Inventor
海华
李世英
陈庆晓
葛建伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG XINGXING REFRIGERATION EQUIPMENT CO LTD
Original Assignee
Zhejiang Xingxing Refrigeration Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Xingxing Refrigeration Co Ltd filed Critical Zhejiang Xingxing Refrigeration Co Ltd
Priority to CN202111200177.2A priority Critical patent/CN113803931B/en
Publication of CN113803931A publication Critical patent/CN113803931A/en
Priority to PCT/CN2021/139515 priority patent/WO2023060760A1/en
Application granted granted Critical
Publication of CN113803931B publication Critical patent/CN113803931B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • 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
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • F25D17/047Pressure equalising 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
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/003Arrangement or mounting of control or safety devices for movable 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
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Landscapes

  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention relates to the technical field of refrigerators, in particular to a system and a method for balancing internal and external air pressure of a refrigerator, which comprises an air chamber, wherein the surface of the air chamber is fixedly connected with mounting pieces at equal intervals, screws are inserted in the surfaces of the mounting pieces through bearings, the top surface of the air chamber is hinged with an air outlet valve, the top end of the air chamber is sleeved with a flow guide pipeline, the bottom surface of the air chamber is provided with a control chip, one side of the control chip is provided with an electric wire, the bottom surface of the air chamber is fixedly connected with a fixing frame, a motor is arranged in the fixing frame, the control chip is electrically connected with the motor through the electric wire, the output end of the motor is fixedly connected with a transmission rod, the invention provides an intelligent air pressure balancing means for the refrigerator through the structure, so that the loss of cold air can be avoided in the process of opening and closing a refrigerator door of the refrigerator by a user, the refrigerator operates tightly and the negative pressure in the refrigerator causes the refrigerator door to be opened laboriously.

Description

System and method for balancing internal and external air pressure of refrigerator
Technical Field
The invention relates to the technical field of refrigerators, in particular to a system and a method for balancing internal and external air pressure of a refrigerator.
Background
A refrigerator is a refrigerating apparatus for maintaining a constant low temperature, and is also a consumer product for maintaining food or other articles in a constant low temperature state. The cabinet or the box is provided with a compressor, an ice maker for freezing and a storage box with a refrigerating device. The volume of the household refrigerator is usually 20-500 liters.
However, the refrigerator leads to the inside air conditioning of refrigerator to consume because of user's switching refrigerator cabinet door in the in-process that uses, and the back is closed to the refrigerator cabinet door, because of inside temperature is higher than the settlement temperature, the refrigerator can reach the settlement temperature again through the cooling, and this process leads to the refrigerator inside negative pressure state because of the temperature variation air appears to comparatively labouring when the user opens the cabinet door once more, greatly reduced user's use experience.
Disclosure of Invention
Solves the technical problem
Aiming at the defects in the prior art, the invention provides a system and a method for balancing internal and external air pressure of a refrigerator, which solve the problems that in the using process of the refrigerator, the cold air in the refrigerator is consumed due to the opening and closing of a refrigerator door by a user, after a refrigerator door is closed, the refrigerator can reach the set temperature again through temperature reduction due to the fact that the internal temperature is higher than the set temperature, and the process causes negative pressure state of the air in the refrigerator due to temperature change, so that the user is more labourious when the refrigerator door is opened again.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a system and a method for balancing internal and external air pressure of a refrigerator comprise an air chamber, wherein an installation piece is fixedly connected with the surface of the air chamber at equal intervals, a screw is inserted in the surface of the installation piece through a bearing in a penetrating manner, an air outlet valve is hinged to the top surface of the air chamber, a flow guide pipeline is sleeved at the top end of the air chamber, a control chip is installed on the bottom surface of the air chamber, an electric wire is installed on one side of the control chip, a fixing frame is fixedly connected with the bottom surface of the air chamber, a motor is installed inside the fixing frame, the control chip is connected with the motor through a connecting electric property with the electric wire, a transmission rod is fixedly connected with the output end of the motor, the top end of the transmission rod penetrates through the air chamber through the bearing and extends to the inside of the air chamber, a piston is sleeved on the surface of the transmission rod through a thread, a sliding groove is formed in the air chamber, and is connected with the inside of the air chamber in a sliding manner, the surface of gas storehouse articulates there is the admission valve, the cover is equipped with torque spring on admission valve and the articulated shaft of gas storehouse looks, torque spring's both ends are connected with gas storehouse, admission valve respectively.
Furthermore, a torsion spring is sleeved on a hinged shaft of the air outlet valve and the air bin, and two ends of the torsion spring are respectively connected with the air bin and the air outlet valve.
Furthermore, the surface of the air outlet valve is glued with a rubber ring, and the top surface is in an inwards concave arc shape.
Furthermore, the control chip has the following operating programs deployed therein for controlling the motor, including:
a balancing module: the motor control system is used for sending out a command to control the motor to execute a command program;
the air pressure monitoring module: the air pressure detection device is used for detecting the air pressure inside and outside the cabin and providing judgment basis for the judgment module;
a judging module: the air pressure monitoring module is used for judging the air pressure inside and outside the cabin in the air pressure monitoring module;
a triggering module: the air pressure balance system is used for starting the air pressure balance system and is used as a control end of the air pressure balance system, when the air pressure in the cabin is lower than the air pressure outside the cabin, the air pressure balance system is started, and when the air pressure in the cabin is higher than the air pressure outside the cabin at equal intervals, the air pressure balance system is not started;
the air pressure balance system: the air pressure control device is used for controlling the air pressure inside and outside the refrigerator cabin body and ensuring that the air pressure inside and outside the refrigerator cabin body is consistent.
Furthermore, a program switching module is mounted in the balancing module and used for switching two modes of operation of the balancing module.
Furthermore, two different trigger programs are loaded in the trigger module, and the programs are synchronously converted with the program switching module through electrical property.
Furthermore, the program switching module carried in the balancing module performs switching setting according to the use target habit.
A method for balancing internal and external air pressure of a refrigerator comprises the following steps:
s1: acquiring an outdoor air pressure value of the refrigerator, writing the outdoor air pressure value into a control balance chip, and determining a balance chip operation triggering condition according to the outdoor air pressure;
s2: acquiring real-time air pressure data in the cabin, and completing the acquisition by an air pressure monitoring module;
s3: and comparing the data obtained in the S1 and the S2 to judge the air pressure inside and outside the cabin:
s4: if the cabin internal air pressure is less than the cabin external air pressure according to the judgment result obtained in the step S3, triggering and starting an air pressure balancing system to balance and adjust the cabin internal air pressure;
s5: if the judgment result obtained in the S3 shows that the pressure in the cabin is larger than or equal to the pressure outside the cabin, the refrigeration system of the refrigerator is started to maintain the temperature in the cabin;
s6: setting the single in-cabin maintenance time according to the refrigerator power, and simultaneously setting the single in-cabin maintenance trigger interval period;
s7: and monitoring to obtain real-time air pressure in the cabin, performing frequency period comparison, and enabling the air pressure balance system to automatically enter a dormant state and not to be triggered when the air pressure in the cabin is larger than or equal to the air pressure outside the cabin.
Further, in step S7, the frequency period is set to thirty seconds.
Further, the ideal gas state equation is calculated as follows:
pV=nRT
in the formula: p is gas pressure;
v is the gas volume;
n is the mass of the object;
r is a proportionality coefficient;
t is the system temperature.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. the invention provides an intelligent air pressure balancing means for the refrigerator through the structure, so that the situation that the refrigerator door is opened and labored due to negative pressure in the refrigerator caused by cold air loss and closed operation of the refrigerator can be avoided in the process that a user opens and closes the refrigerator door by using the refrigerator.
2. The invention can avoid the cold air loss caused by the balance of the air pressure inside and outside the refrigerator to a certain degree through the structure, thereby bringing a certain energy-saving effect to the refrigerator.
3. The intelligent air pressure balancing means has two operation modes, can be used for normally-opened refrigerators and unusual refrigerators, ensures that the air pressure balancing system operates more stably and adaptively in the open state, and prolongs the service life of the system.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view showing a system for balancing internal and external air pressures in a refrigerator;
FIG. 2 is a schematic view of the present invention in an exploded state;
FIG. 3 is a schematic view of an independent structure of a rubber ring according to the present invention;
FIG. 4 is a schematic bottom view of the present invention;
FIG. 5 is an isolated block diagram of the gas transmission components of the present invention;
FIG. 6 is a schematic diagram of an operation procedure of the control chip according to the present invention;
FIG. 7 is a schematic diagram of a circuit structure of a control chip according to the present invention;
fig. 8 is a structural view of a method for balancing internal and external air pressures of a refrigerator;
the reference numerals in the drawings denote: 1. a gas bin; 2. mounting a sheet; 3. a screw; 4. an air outlet valve; 5. a rubber ring; 6. a diversion pipeline; 7. a control chip; 8. an electric wire; 9. a fixed mount; 10. a motor; 11. a transmission rod; 12. a piston; 13. an intake valve; a1, a balancing module; a2, program switching module; a3, an air pressure monitoring module; a4, a judgment module; a5, a trigger module; a6, air pressure balancing system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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.
The present invention will be further described with reference to the following examples.
Example 1
The system and the method for balancing internal and external air pressure for the refrigerator of the embodiment are shown in fig. 1, and comprise an air chamber 1, wherein the surface of the air chamber 1 is fixedly connected with mounting pieces 2 at equal intervals, screws 3 are inserted through the surfaces of the mounting pieces 2 through bearings, the top surface of the air chamber 1 is hinged with an air outlet valve 4, the top end of the air chamber 1 is sleeved with a flow guide pipeline 6, the bottom surface of the air chamber 1 is provided with a control chip 7, one side of the control chip 7 is provided with an electric wire 8, the bottom surface of the air chamber 1 is fixedly connected with a fixing frame 9, the fixing frame 9 is internally provided with a motor 10, the control chip 7 and the electric wire 8 are electrically connected with the motor 10, the output end of the motor 10 is fixedly connected with a transmission rod 11, the top end of the transmission rod 11 penetrates through the air chamber 1 through the bearings and extends into the air chamber 1, the surface of the transmission rod 11 is sleeved with a piston 12 through threads, and the air chamber 1 is internally provided with a chute, the transmission rod 11 is connected inside the gas cabin 1 in a sliding mode through a sliding groove formed in the gas cabin 1, an air inlet valve 13 is hinged to the surface of the gas cabin 1, a torsion spring is sleeved on a hinged shaft of the air inlet valve 13, which is hinged to the gas cabin 1, and two ends of the torsion spring are connected with the gas cabin 1 and the air inlet valve 13 respectively.
When the air pressure balance device is used in the embodiment, a user can control the motor 10 to start and stop through the control chip 7, when the motor 10 is started, the transmission rod 11 connected to the output end of the motor 10 rotates to drive the piston 12 to move in the air bin 1 through the thread effect, so that the air in the air bin 1 is extruded to push the air outlet valve 4 open due to the movement of the piston 12, and the air is introduced into the guide pipeline 6 and then enters the refrigerator from the inside of the guide pipeline 6, thereby achieving the purpose of air pressure balance;
wherein the mounting plate 2 and the screw 3 are used to fix the device inside the refrigerator.
As shown in fig. 1, a torsion spring is sleeved on a hinge shaft of the air outlet valve 4 hinged to the air bin 1, and two ends of the torsion spring are respectively connected with the air bin 1 and the air outlet valve 4.
This structure makes when the device shut down the back, and air outlet valve 4 can reset through torsion spring's effort and carry out the shutoff to the open-top of gas storehouse 1 to air outlet valve 4 not only resets through gravity in the use, provides the guarantee for air outlet valve 4's normal movement track.
As shown in fig. 3, the surface of the air outlet valve 4 is glued with a rubber ring 5, and the top surface of the air outlet valve is in an inward concave arc shape.
This part has brought better airtight effect for gas outlet valve 4, prevents that the inside gas of gas outlet valve 4 from appearing revealing the condition emergence in the flow direction water conservancy diversion pipeline 6 under the device unoperated state.
The control chip 7 is specifically a barometric sensor chip, and its model number is DSH 553.
Example 2
As shown in fig. 6, the control chip 7 has the following operating programs deployed therein for controlling the motor 10, including:
balancing module a 1: for issuing commands to control the motor 10 to execute the command program;
air pressure monitoring module a 3: the air pressure detection device is used for detecting the air pressure inside and outside the cabin and providing judgment basis for the judgment module A4;
determination module a 4: used for judging the pressure inside and outside the cabin in the air pressure monitoring module A3;
trigger module a 5: the air pressure balancing system A6 is used as a control end of the air pressure balancing system A6, when the air pressure in the cabin is lower than the air pressure outside the cabin, the air pressure balancing system A6 is started, and when the air pressure in the cabin is higher than the air pressure outside the cabin at equal intervals, the air pressure balancing system A6 is not started;
air pressure balancing system a 6: the air pressure control device is used for controlling the air pressure inside and outside the refrigerator cabin body and ensuring that the air pressure inside and outside the refrigerator cabin body is consistent.
As shown in fig. 6, the balancing module a1 is loaded with a program switching module a2 for switching two modes of operation of the balancing module a 1.
As shown in fig. 6, two different trigger programs are loaded in the trigger module a5, and the programs are electrically switched in synchronization with the program switching module a 2.
As shown in fig. 6, the program switching module a2 installed in the balancing module a1 switches settings according to the usage target habit.
When this embodiment uses, this partial structure uses as the inside operation procedure that carries on of chip, opens the refrigerator when the user does not often, and this procedure will be in the instant trigger that the user opened the refrigerator cabinet door, balances the atmospheric pressure in the refrigerator, and when the refrigerator is commonly used to the user, this operation procedure is in the functional state of operation always, so set up and make the refrigerator when not frequently using, through the better article in the refrigerator of having preserved of atmospheric pressure, provide convenience when opening the refrigerator through this setting for the user often.
Example 3
A method for balancing internal and external air pressure of a refrigerator comprises the following steps:
s1: acquiring an outdoor air pressure value of the refrigerator, writing the outdoor air pressure value into a control balance chip, and determining a balance chip operation triggering condition according to the outdoor air pressure;
s2: acquiring real-time air pressure data in the cabin, and completing the acquisition by an air pressure monitoring module A3;
s3: and (4) comparing the data obtained in S1 and S2 to judge the air pressure inside and outside the cabin:
s4: if the comparison result in the S3 shows that the cabin air pressure is less than the cabin outer air pressure, the air pressure balancing system is triggered to start, and the cabin air pressure is balanced and adjusted;
s5: if the compared judgment result in the S3 is that the pressure in the cabin is more than or equal to the pressure outside the cabin, the refrigeration system of the refrigerator is started to maintain the temperature in the cabin;
s6: setting the single in-cabin maintenance time according to the refrigerator power, and simultaneously setting the single in-cabin maintenance trigger interval period;
s7: and monitoring to obtain real-time air pressure in the cabin, performing frequency period comparison, and enabling the air pressure balance system to automatically enter a dormant state and not to be triggered when the air pressure in the cabin is larger than or equal to the air pressure outside the cabin.
As shown in fig. 8, the frequency period is set to thirty seconds in step S7.
Through the arrangement, the situation that a user frequently opens the refrigerator cabinet in a short time to cause the system to be frequently triggered to operate can be avoided, so that the power consumption of the system is saved, the generation of unnecessary operation times of the system is also avoided, and the purpose of prolonging the service life of the system is achieved.
As shown in fig. 8, the ideal gas state equation is calculated as follows:
pV=nRT
in the formula: p is gas pressure;
v is the gas volume;
n is the mass of the object;
r is a proportionality coefficient;
t is the system temperature.
As shown in fig. 7, the following operation modes are mounted inside the control chip 7, including T1, T2, T3, and T4, wherein: t1 is a circuit power supply of the control chip 7; t2 is a data recording board of the control chip 7; t3 is the continuous operation program of the control chip 7; t4 is the dot-and-dash trigger running program of the control chip 7.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. The utility model provides a system that refrigerator is used for balancing inside and outside atmospheric pressure, includes gas storehouse (1), its characterized in that: the surface equidistance fixedly connected with installation piece (2) of gas storehouse (1), the surface of installation piece (2) runs through the bearing and inserts and be equipped with screw (3), the top surface of gas storehouse (1) articulates there is air outlet valve (4), diversion pipeline (6) have been cup jointed on the top of gas storehouse (1), control chip (7) are installed to the bottom surface of gas storehouse (1), electric wire (8) are installed to one side of control chip (7), the bottom surface fixedly connected with mount (9) of gas storehouse (1), the internally mounted of mount (9) has motor (10), control chip (7) are connected with motor (10) through the even electrical property with electric wire (8), the output fixedly connected with transfer line (11) of motor (10), the top of transfer line (11) passes through the bearing and extends to the inside of gas storehouse (1), the surface of transfer line (11) is equipped with piston (12) through the screw thread cover, the spout has been seted up to the inside of gas storehouse (1), transfer line (11) are through the inside spout sliding connection who sets up in gas storehouse (1) in the inside of gas storehouse (1), the surface of gas storehouse (1) articulates there is admission valve (13), the cover is equipped with torque spring on admission valve (13) and the articulated shaft of gas storehouse (1) looks, torque spring's both ends are connected with gas storehouse (1), admission valve (13) respectively.
2. The system for balancing the internal and external air pressures of the refrigerator as claimed in claim 1, wherein a torsion spring is sleeved on a hinge shaft of the air outlet valve (4) hinged to the air chamber (1), and two ends of the torsion spring are respectively connected with the air chamber (1) and the air outlet valve (4).
3. The system for balancing the internal and external air pressures of a refrigerator as claimed in claim 1, wherein the surface of the air outlet valve (4) is glued with a rubber ring (5), and the top surface is in the shape of an inward concave arc.
4. The system for balancing internal and external air pressures of a refrigerator according to claim 1, characterized in that the following operating programs are deployed inside the control chip (7) for controlling the motor (10), and comprise:
balancing module (a 1): used for sending out commands to control the motor (10) to execute command programs;
air pressure monitoring module (a 3): the air pressure detecting device is used for detecting the air pressure inside and outside the cabin and providing a judgment basis for the judgment module (A4);
determination module (a 4): used for judging the pressure inside and outside the cabin in the air pressure monitoring module (A3);
trigger module (a 5): the air pressure balancing system (A6) is used for starting the air pressure balancing system (A6) and is used as a control end of the air pressure balancing system (A6), the air pressure balancing system (A6) is started when the air pressure in the cabin is lower than the air pressure outside the cabin, and the air pressure in the cabin is not started when the air pressure in the cabin is higher than the air pressure outside the cabin at equal intervals;
air pressure balancing system (a 6): the air pressure control device is used for controlling the air pressure inside and outside the refrigerator cabin body and ensuring that the air pressure inside and outside the refrigerator cabin body is consistent.
5. The system for balancing internal and external air pressures of a refrigerator as claimed in claim 4, wherein the balancing module (A1) is loaded with a program switching module (A2) for switching two modes of operation of the balancing module (A1).
6. The system as claimed in claim 4, wherein the triggering module (A5) has two different triggering programs installed therein, and the programs are electrically switched in synchronization with the program switching module (A2).
7. The system for balancing internal and external air pressures of a refrigerator as claimed in claim 1, wherein the program switching module (A2) installed in the balancing module (A1) performs switching setting according to the usage target habit.
8. A method for balancing internal and external air pressures of a refrigerator, which is implemented in the system for balancing internal and external air pressures of a refrigerator according to any one of claims 1 to 7, comprising the steps of:
s1: acquiring an outdoor air pressure value of the refrigerator, writing the outdoor air pressure value into a control balance chip, and determining a balance chip operation triggering condition according to the outdoor air pressure;
s2: acquiring real-time air pressure data in the cabin, and completing the acquisition by an air pressure monitoring module (A3);
s3: and comparing the data obtained in the S1 and the S2 to judge the air pressure inside and outside the cabin:
s4: if the cabin internal air pressure is less than the cabin external air pressure according to the judgment result obtained in the step S3, triggering and starting an air pressure balancing system to balance and adjust the cabin internal air pressure;
s5: if the judgment result obtained in the S3 shows that the pressure in the cabin is larger than or equal to the pressure outside the cabin, the refrigeration system of the refrigerator is started to maintain the temperature in the cabin;
s6: setting the single in-cabin maintenance time according to the refrigerator power, and simultaneously setting the single in-cabin maintenance trigger interval period;
s7: and monitoring to obtain real-time air pressure in the cabin, performing frequency period comparison, and enabling the air pressure balance system to automatically enter a dormant state and not to be triggered when the air pressure in the cabin is larger than or equal to the air pressure outside the cabin.
9. The method for balancing internal and external air pressures of a refrigerator as claimed in claim 1, wherein the frequency period is set to thirty seconds in the step S7.
10. The system and method for balancing internal and external air pressures of a refrigerator as claimed in claim 1, wherein the ideal gas state equation is calculated as follows:
pV=nRT
in the formula: p is gas pressure;
v is the gas volume;
n is the mass of the object;
r is a proportionality coefficient;
t is the system temperature.
CN202111200177.2A 2021-10-14 2021-10-14 System and method for balancing internal and external air pressure of refrigerator Active CN113803931B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111200177.2A CN113803931B (en) 2021-10-14 2021-10-14 System and method for balancing internal and external air pressure of refrigerator
PCT/CN2021/139515 WO2023060760A1 (en) 2021-10-14 2021-12-20 System and method for balancing internal and external air pressure of refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111200177.2A CN113803931B (en) 2021-10-14 2021-10-14 System and method for balancing internal and external air pressure of refrigerator

Publications (2)

Publication Number Publication Date
CN113803931A true CN113803931A (en) 2021-12-17
CN113803931B CN113803931B (en) 2022-05-20

Family

ID=78937633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111200177.2A Active CN113803931B (en) 2021-10-14 2021-10-14 System and method for balancing internal and external air pressure of refrigerator

Country Status (2)

Country Link
CN (1) CN113803931B (en)
WO (1) WO2023060760A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023060760A1 (en) * 2021-10-14 2023-04-20 浙江星星冷链集成股份有限公司 System and method for balancing internal and external air pressure of refrigerator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117849287B (en) * 2024-03-07 2024-05-31 深圳市瑞盛环保科技有限公司 Gaseous composition detection device for chlorine recovery system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07190603A (en) * 1993-11-30 1995-07-28 Samsung Electronics Co Ltd Refrigerator on which pressure balancer is mounted
CN2881471Y (en) * 2005-12-01 2007-03-21 佛山市星星制冷设备工程有限公司 Internal external pressure balancing device of low temperature freezer
CN101280991A (en) * 2007-04-05 2008-10-08 深圳清华大学研究院 Device and method for automatically regulating refrigerated container body inside and outside air pressure balance
CN107144071A (en) * 2017-06-30 2017-09-08 江苏星星家电科技有限公司 A kind of even icy cabinet of moisture absorption
CN112212561A (en) * 2020-09-29 2021-01-12 裕克施乐塑料制品(太仓)有限公司 Automatic air pressure balancing device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100198394B1 (en) * 1996-12-26 1999-06-15 전주범 Refrigerator having door locking device
JP3732689B2 (en) * 1999-10-21 2006-01-05 株式会社東芝 Storage door opening device
JP2002267345A (en) * 2001-03-07 2002-09-18 Daiwa Industries Ltd Refrigerator
JP5633973B2 (en) * 2011-05-27 2014-12-03 福島工業株式会社 refrigerator
JP5720704B2 (en) * 2013-01-10 2015-05-20 三菱電機株式会社 refrigerator
CN204254963U (en) * 2014-11-25 2015-04-08 浙江星星家电股份有限公司 A kind of air-breather of refrigerator
CN106705544A (en) * 2016-12-30 2017-05-24 青岛海尔特种电冰柜有限公司 Heat-preservation box for refrigeration equipment and refrigeration equipment
CN106839617A (en) * 2016-12-30 2017-06-13 青岛海尔特种电冰柜有限公司 Door body and refrigeration plant with function of balancing air pressure
CN208025934U (en) * 2018-03-08 2018-10-30 浙江星星冷链集成股份有限公司 A kind of inside and outside air pressure balance structure of refrigerator
CN209310329U (en) * 2018-12-12 2019-08-27 湖北美的电冰箱有限公司 Refrigerator
TR201906291A2 (en) * 2019-04-29 2020-11-23 Bsh Ev Aletleri San Ve Tic As COOLING DEVICE
JP2021135022A (en) * 2020-02-28 2021-09-13 ホシザキ株式会社 Cooling storage
CN113803931B (en) * 2021-10-14 2022-05-20 浙江星星冷链集成股份有限公司 System and method for balancing internal and external air pressure of refrigerator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07190603A (en) * 1993-11-30 1995-07-28 Samsung Electronics Co Ltd Refrigerator on which pressure balancer is mounted
CN2881471Y (en) * 2005-12-01 2007-03-21 佛山市星星制冷设备工程有限公司 Internal external pressure balancing device of low temperature freezer
CN101280991A (en) * 2007-04-05 2008-10-08 深圳清华大学研究院 Device and method for automatically regulating refrigerated container body inside and outside air pressure balance
CN107144071A (en) * 2017-06-30 2017-09-08 江苏星星家电科技有限公司 A kind of even icy cabinet of moisture absorption
CN112212561A (en) * 2020-09-29 2021-01-12 裕克施乐塑料制品(太仓)有限公司 Automatic air pressure balancing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023060760A1 (en) * 2021-10-14 2023-04-20 浙江星星冷链集成股份有限公司 System and method for balancing internal and external air pressure of refrigerator

Also Published As

Publication number Publication date
CN113803931B (en) 2022-05-20
WO2023060760A1 (en) 2023-04-20

Similar Documents

Publication Publication Date Title
CN113803931B (en) System and method for balancing internal and external air pressure of refrigerator
KR100276739B1 (en) Water supply device for automatic ice maker
CN201363982Y (en) Air adjustment fresh-preserving refrigerator with air curtains
CN201926510U (en) Temperature sensing component box and fridge / freezer / display cabinet with temperature sensing component box
CN110108080B (en) Anti-condensation structure of refrigerator turnover beam and anti-condensation control method
EP2161521A2 (en) Refrigerator and method of controlling the same
CN104677044A (en) Refrigerator
CN108679900A (en) A kind of control method and refrigerator of ice-making system of refrigerator
CN108870834A (en) A kind of refrigerator
CN103644705B (en) The method for controlling frequency conversion of the frequency-changing control system of refrigerator, refrigerator and refrigerator
CN201377930Y (en) Refrigerating system adjusting refrigeration amount
CN209524620U (en) Automatic de-icing drainage arrangement
CN209054831U (en) Refrigerator
CN114484958A (en) Ice making device of refrigerator
US20220090836A1 (en) Ice machine
CN108775763B (en) Refrigerator and control method thereof
CN219070176U (en) Respirator suitable for cleaning machine
CN216080604U (en) Infrared induction noise reduction and illumination display control system
CN218120302U (en) Refrigerator
CN2425336Y (en) Controller for temp.-changing refrigerating chamber of electric refrigerator
CN214792087U (en) Automatic constant temperature adjustment mechanism of commercial refrigerating unit
CN215708631U (en) Domestic raspberry wine storage device
CN217383436U (en) Waterproof shell with good sealing effect
CN113865258A (en) Infrared induction noise reduction and illumination display control system
CN209341659U (en) A kind of caravan Special low-voltage DC power saving refrigerator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240419

Address after: 528000 South Industrial Development Zone, Leping Town, Sanshui District, Foshan City, Guangdong Province

Patentee after: GUANGDONG XINGXING REFRIGERATION EQUIPMENT Co.,Ltd.

Country or region after: China

Address before: No.1688, Baiyunshan South Road, Hongjia street, Jiaojiang District, Taizhou City, Zhejiang Province

Patentee before: ZHEJIANG XINGXING REFRIGERATION Co.,Ltd.

Country or region before: China