Fresh-keeping component, fresh-keeping component air inlet pipe mounting method and fresh-keeping component control method

Abstract

The invention relates to a fresh-keeping component, a fresh-keeping component air inlet pipe mounting method and a fresh-keeping component control method.The fresh-keeping component is arranged in refrigeration equipment, the refrigeration equipment comprises a rear back plate, a vacuum heat insulation plate, a freezing evaporator and a fan, the rear back plate is arranged on the outer side of the vacuum heat insulation plate, and the freezing evaporator is arranged on the outer side of the vacuum heat insulation plate; the fresh-keeping component comprises an air pump assembly, an air inlet pipe and a nitrogen fresh-keeping assembly. Wherein the air pump assembly is arranged on one side of the fan; the position of the air inlet pipe is determined according to the distance between the freezing evaporator and the back plate, the distance between the freezing evaporator and the inner side of the vacuum insulated panel, the temperature of the freezing evaporator and the room temperature, so that the temperature of the air inlet pipe is 0 DEG C; the nitrogen fresh-keeping assembly is connected with the air inlet pipe and used for preparing nitrogen needed by the refrigeration equipment. By arranging the position of the air inlet pipe, the temperature of the air inlet pipe reaches 0 DEG C, the saturated water content of air in the air inlet pipe is reduced, the problem that the service life of a refrigerator fresh-keeping part is short is solved, and the service life of the refrigerator fresh-keeping part is prolonged.

Description

Technical Field

[0001] The present application relates to the field of refrigeration equipment, and particularly to a fresh-keeping component, a method for installing an intake pipe of the fresh-keeping component, and a method for controlling the fresh-keeping component. Background Art

[0002] With the improvement of consumers' requirements for fresh-keeping, most manufacturers have developed refrigerators with UV lamps and positive and negative ion generators. However, the UV lamp only has the effect of sterilizing and fresh-keeping in one direction where the food is irradiated, and the fresh-keeping effect is not good. The ion generator will generate ozone after long-term use. Ozone will accelerate the aging of the plastic parts of the refrigerator, and high ozone concentration will be harmful to the human body and will also pollute the environment. Nitrogen is a colorless and odorless inert gas that exists abundantly in the air. Nitrogen has very stable chemical properties and generally does not react with other substances. This inert quality enables it to be widely used in many anaerobic environments. For example, nitrogen is used to displace the air in a specific container to play the roles of isolation, flame retardancy, explosion prevention, and anti-corrosion. Currently, in refrigerator fresh-keeping, nitrogen-oxygen separation is carried out through a molecular sieve tower assembly, and the separated nitrogen is used to fresh-keep the food in the refrigerator. Among them, in each nitrogen-oxygen separation process, molecular sieves are used, and the molecular sieves are used repeatedly. Especially in the case of high intake air temperature and humidity, the service life of the molecular sieves is shorter and they are more easily damaged.

[0003] Regarding the problem of short service life of the refrigerator fresh-keeping component in the related art, no effective solution has been proposed yet. Summary of the Invention

[0004] In this embodiment, a fresh-keeping component, a method for installing an intake pipe of the fresh-keeping component, and a method for controlling the fresh-keeping component are provided to solve the problem of short service life of the refrigerator fresh-keeping component in the related art.

[0005] In a first aspect, in this embodiment, a fresh-keeping component is provided. The fresh-keeping component is arranged in a refrigeration device. The refrigeration device includes a back panel, a vacuum insulation panel, a freezing evaporator, and a blower. The back panel is disposed outside the vacuum insulation panel. The fresh-keeping component includes: an air pump assembly, an intake pipe, and a nitrogen fresh-keeping assembly; wherein,

[0006] The air pump assembly is arranged on one side of the blower;

[0007] The position of the intake pipe is determined according to the distance between the freezing evaporator and the back panel, the distance between the freezing evaporator and the inner side of the vacuum insulation panel, the temperature of the freezing evaporator, and the room temperature, so that the temperature of the intake pipe is 0°C;

[0008] The nitrogen fresh-keeping assembly is connected to the intake pipe and is used to prepare the nitrogen required by the refrigeration device.

[0009] In some of these embodiments, the nitrogen preservation component includes an air pump inlet, a first silencer, a second silencer, a molecular sieve tower component, a nitrogen outlet, a solenoid valve, and an oxygen outlet, where

[0010] The air pump inlet is connected to one end of the first silencer, the other end of the first silencer is connected to the input end of the molecular sieve tower component, the first output end of the molecular sieve tower component is connected to the nitrogen outlet, the second output end of the molecular sieve tower component is connected to one end of the solenoid valve, the other end of the solenoid valve is connected to one end of the second silencer, and the other end of the second silencer is connected to the oxygen outlet;

[0011] One end of the inlet pipe is connected to the air pump component, and the other end of the inlet pipe is connected to the air pump inlet of the nitrogen preservation component.

[0012] In some of these embodiments, the air pump component is disposed outside the refrigeration equipment compartment and at the bottom of the refrigeration equipment; the nitrogen preservation component is disposed inside the refrigeration equipment compartment.

[0013] In some of these embodiments, the position of the inlet pipe is the distance from the freezing evaporator;

[0014] The calculation method for the position of the inlet pipe is as follows:

[0015] L = T1(5L2 - 4L1) / (T1 - T0);

[0016] where L is the position of the inlet pipe, T1 is the temperature of the freezing evaporator, T0 is the room temperature, L1 is the distance between the freezing evaporator and the inner side of the vacuum insulation board, and L2 is the distance between the freezing evaporator and the rear panel.

[0017] In some of these embodiments, the air pump component includes an air pump upper cover, an air pump lower cover, and an air pump. Among them, a first damping rubber is provided between the air pump upper cover and the air pump, and a second damping rubber is provided between the air pump lower cover and the air pump.

[0018] Second, in this embodiment, a method for installing the inlet pipe of the preservation component is provided, which is applied to the preservation component described in the first aspect above, and includes:

[0019] Obtain the temperature of the freezing evaporator, the room temperature, the distance between the freezing evaporator and the inner side of the vacuum insulation board, and the distance between the freezing evaporator and the rear panel;

[0020] Calculate the installation position of the inlet pipe according to the temperature of the freezing evaporator, the room temperature, the distance between the freezing evaporator and the inner side of the vacuum insulation board, and the distance between the freezing evaporator and the rear panel;

[0021] Install the intake pipe according to the installation position of the intake pipe.

[0022] In a third aspect, a method for controlling a fresh-keeping component is provided in this embodiment, which is applied to the fresh-keeping component described in the first aspect above, and includes:

[0023] Calculate the target position of the intake pipe according to the temperature of the freezing evaporator, the room temperature, the distance between the freezing evaporator and the inner side of the vacuum insulation panel, and the distance between the freezing evaporator and the back panel, so that the temperature of the intake pipe reaches a preset target temperature, and reduce the water content in the intake pipe;

[0024] Place the intake pipe according to the target position of the intake pipe;

[0025] Execute a loop process until a preset condition is met; the loop process includes:

[0026] Control the solenoid valve to operate for a preset first duration and then close the solenoid valve, and at the same time turn on the air pump to increase the pressure of the molecular sieve tower assembly in the fresh-keeping component and adsorb oxygen;

[0027] When the oxygen reaches saturation, turn off the air pump and at the same time open the solenoid valve to discharge nitrogen;

[0028] Wherein, the preset condition is that the nitrogen concentration in the refrigeration equipment reaches a preset concentration value.

[0029] In some of the embodiments, the target temperature is 0°C.

[0030] In a fourth aspect, an electronic device is provided in this embodiment, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor. When the processor executes the computer program, the method for controlling the fresh-keeping component described in the third aspect above is implemented.

[0031] In a fifth aspect, a storage medium is provided in this embodiment, on which a computer program is stored. When the program is executed by a processor, the method for controlling the fresh-keeping component described in the third aspect above is implemented.

[0032] Compared with the related art, in the present embodiment, a fresh-keeping component is provided, and the fresh-keeping component is arranged in a refrigeration device. The refrigeration device includes a back plate, a vacuum insulation panel, a freezing evaporator, and a blower. The back plate is placed outside the vacuum insulation panel. The fresh-keeping component includes: an air pump assembly, an intake pipe, and a nitrogen fresh-keeping assembly. Among them, the air pump assembly is arranged on one side of the blower. The position of the intake pipe is determined according to the distance between the freezing evaporator and the back plate, the distance between the freezing evaporator and the inner side of the vacuum insulation panel, the temperature of the freezing evaporator, and the room temperature, so that the temperature of the intake pipe is 0 °C. The nitrogen fresh-keeping assembly is connected to the intake pipe and is used to prepare the nitrogen required by the refrigeration device. By setting the position of the intake pipe, the temperature of the intake pipe reaches 0 °C, reducing the saturated water content of the air in the intake pipe, solving the problem of the short service life of the fresh-keeping component of the refrigerator, and improving the service life of the fresh-keeping component of the refrigerator.

[0033] Details of one or more embodiments of the present application are set forth in the following drawings and description to make other features, objects, and advantages of the present application more concise and understandable. Brief Description of the Drawings

[0034] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0035] Figure 1 is a schematic front view of the refrigeration device of the present embodiment.

[0036] Figure 2 is a schematic back view of the refrigeration device of the present embodiment.

[0037] Figure 3 is a schematic structural view of the fresh-keeping component of the present embodiment.

[0038] Figure 4 is a graph showing the relationship between the saturated water content and temperature of the fresh-keeping component of the present embodiment.

[0039] Figure 5 is a schematic structural view of the nitrogen fresh-keeping assembly of the fresh-keeping component of the present embodiment.

[0040] Figure 6 is a schematic side sectional view of the refrigeration device box body of the fresh-keeping component of the present embodiment.

[0041] Figure 7 is a graph showing the relationship between the intake pipe temperature and the intake pipe position of the fresh-keeping component of the present embodiment.

[0042] Figure 8 is a schematic structural view of the air pump assembly of the fresh-keeping component of the present embodiment.

[0043] Figure 9 It is a schematic diagram of the bottom structure of the air pump assembly of the fresh-keeping component in this embodiment.

[0044] Figure 10 It is a flowchart of the installation method of the intake pipe of the fresh-keeping component in this embodiment.

[0045] Figure 11 It is a block diagram of the hardware structure of the terminal for the control method of the fresh-keeping component in this embodiment.

[0046] Figure 12 It is a flowchart of the control method of the fresh-keeping component in this embodiment. Detailed implementation manners

[0047] To understand the purpose, technical solution and advantages of the present application more clearly, the present application will be described and illustrated below with reference to the drawings and embodiments.

[0048] Unless otherwise defined, the technical terms or scientific terms involved in the present application shall have the general meaning understood by those with ordinary skills in the technical field to which the present application belongs. In the present application, words such as "a", "one", "a kind of", "the", "these" and the like do not represent a limitation in quantity, and they can be singular or plural. The terms "including", "comprising", "having" and any variants thereof involved in the present application are intended to cover non-exclusive inclusion; for example, a process, method, system, product or device including a series of steps or modules (units) is not limited to the listed steps or modules (units), but may include unlisted steps or modules (units), or may include other steps or modules (units) inherent in these processes, methods, products or devices. The terms "connected", "coupled" and the like involved in the present application do not limit to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" involved in the present application refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, "A and / or B" may represent: A exists alone, A and B exist simultaneously, and B exists alone. Usually, the character " / " indicates that the objects associated before and after are in an "or" relationship. The terms "first", "second", "third" and the like involved in the present application are only used to distinguish similar objects and do not represent a specific order for the objects.

[0049] In this embodiment, a fresh-keeping component is provided. Figure 1 It is a schematic diagram of the front structure of the refrigeration equipment in this embodiment. Figure 2 It is a schematic diagram of the back structure of the refrigeration equipment in this embodiment. As Figure 1 and Figure 2As shown, the freshness preservation component 11 is arranged in the refrigeration device. The refrigeration device includes a rear back panel (not shown), a vacuum insulation panel (not shown), a freezing evaporator 12, and a blower 21. The rear back panel is placed outside the vacuum insulation panel. Figure 3 It is a schematic structural diagram of the freshness preservation component in this embodiment. The freshness preservation component 11 includes: an air pump assembly 31, an air inlet pipe 32, and a nitrogen freshness preservation component 33. Among them, the air pump assembly 31 is arranged on one side of the blower 21; the position of the air inlet pipe 32 is determined according to the distance between the freezing evaporator 12 and the rear back panel, the distance between the freezing evaporator 12 and the inner side of the vacuum insulation panel, the temperature of the freezing evaporator 12, and the room temperature, so that the temperature of the air inlet pipe 32 is 0°C; the nitrogen freshness preservation component 33 is connected to the air inlet pipe 32 and is used to prepare the nitrogen required by the refrigeration device.

[0050] Specifically, in combination with Figure 1 、 Figure 2 and Figure 3 , in this embodiment, a freshness preservation component 11 is provided. The freshness preservation component 11 is a nitrogen freshness preservation component. Nitrogen is produced by turning on the nitrogen freshness preservation function and is input into the refrigeration device, so that a nitrogen-rich and oxygen-poor gas atmosphere is formed in the freshness preservation chamber of the refrigeration device, which is beneficial to food freshness preservation. This gas atmosphere reduces the oxygen content in the storage space of fruits and vegetables, reduces the intensity of aerobic respiration of fruits and vegetables, and at the same time ensures the basic respiration, preventing fruits and vegetables from undergoing anaerobic respiration, so as to achieve the purpose of long-term freshness preservation of fruits and vegetables. Moreover, this gas atmosphere also contains a large amount of gases such as nitrogen and will not reduce the cooling efficiency of the items in the controlled atmosphere freshness preservation space, enabling fruits and vegetables to be effectively stored.

[0051] Among them, the refrigeration device includes a refrigerator body 13, a rear back panel (not shown), a vacuum insulation panel (not shown), a freezing evaporator 12, and a blower 21; the refrigerator body 13 includes a refrigerating area 131 located in the upper part and a freezing area 132 located in the lower part. The freshness preservation component 11 is arranged in the refrigerating area 131; the rear back panel (not shown) is placed outside the vacuum insulation panel (not shown). The freshness preservation component 11 includes an air pump assembly 31, an air inlet pipe 32, and a nitrogen freshness preservation component 33. The air pump assembly 31 is arranged on one side of the blower 33. During nitrogen production, the heat of the air pump can be carried away by the air flow of the blower, thereby reducing the heat load. At the same time, it can also avoid the performance decline or failure of the air pump caused by high temperature, extend the service life of the air pump, and effective heat dissipation can also ensure that the air pump operates at an appropriate temperature, improving the overall stability of the system.

[0052] The nitrogen freshness preservation component 33 is connected to the air inlet pipe 32, and the nitrogen freshness preservation component contains molecular sieves. The position of the air inlet pipe 32 of the freshness preservation component 11 is related to the service life of the molecular sieves in the nitrogen freshness preservation component. By reducing the temperature, the saturated water content of the air in the air inlet pipe is reduced. The molecular sieves are mainly used to adsorb moisture. The moisture entering the molecular sieves is reduced, thereby reducing its adsorption burden and extending the service life of the molecular sieves.Figure 4 It is a graph showing the relationship between the saturated water content and temperature of the freshness preservation component in this embodiment. The abscissa represents the temperature of the air in the intake pipe, and the ordinate represents the saturated water content in the air, with the unit of g / kg dry air. The temperature in the refrigerator's fresh food compartment is usually between 2 and 8 °C. For example, Figure 4 , when the temperature in the fresh food compartment is 8 °C, the saturated water content is about 6.75; when the temperature in the fresh food compartment drops to 0 °C, the water content is around 3.52, and the decrease is close to 50%. Therefore, maintaining the temperature of the intake pipe at a relatively low level, such as 0 °C, can significantly extend the service life of the molecular sieve. Thus, in this embodiment, through experiments, it is obtained that the position of the intake pipe can be determined according to the distance between the refrigeration evaporator and the rear panel, the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, the temperature of the refrigeration evaporator, and the room temperature, so as to make the temperature of the intake pipe reach 0 °C. Among them, the specific relational formula is:

[0053] L = T1(5L2 - 4L1) / (T1 - T0);

[0054] where L is the distance between the intake pipe and the refrigeration evaporator, that is, the actual installation position of the intake pipe, T0 is the room temperature, T1 is the temperature of the refrigeration evaporator, L1 is the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, and L2 is the distance between the refrigeration evaporator and the rear panel. Among them, this formula is also related to the heat insulation rate of the polyurethane foam layer and the vacuum insulation panel in the refrigeration equipment. In this embodiment, the heat insulation rate of the vacuum insulation panel is 5 times that of the polyurethane foam layer. In a stable state, the temperature change within the same material can be approximated as linear, and the temperature is lower closer to the evaporator and higher closer to the outer surface of the refrigerator. In this embodiment, by setting the position of the intake pipe, the temperature of the intake pipe is made to reach 0 °C, thereby reducing the saturated water content of the gas in the intake pipe, increasing the service life of the molecular sieve, and improving the service life of the freshness preservation component.

[0055] In one of the embodiments, the nitrogen freshness preservation component includes an air pump intake port, a first muffler, a second muffler, a molecular sieve tower component, a nitrogen outlet, a solenoid valve, and an oxygen outlet. Among them,

[0056] The air pump intake port is connected to one end of the first muffler, the other end of the first muffler is connected to the input end of the molecular sieve tower component, the first output end of the molecular sieve tower component is connected to the nitrogen outlet, the second output end of the molecular sieve tower component is connected to one end of the solenoid valve, the other end of the solenoid valve is connected to one end of the second muffler, and the other end of the second muffler is connected to the oxygen outlet; one end of the intake pipe is connected to the air pump component, and the other end of the intake pipe is connected to the air pump intake port of the nitrogen freshness preservation component.

[0057] Specifically, Figure 5 It is a schematic structural diagram of the nitrogen freshness preservation component of the freshness preservation component in this embodiment. For example, Figure 5As shown in the figure, the nitrogen preservation component consists of an air pump inlet 51, a first silencer 52, a second silencer 53, a molecular sieve tower component 54, a nitrogen outlet 55, a solenoid valve 56, and an oxygen outlet 57. The air pump inlet 51, the first silencer 52, the first output end 541 of the molecular sieve tower component 54, and the nitrogen outlet 55 are sequentially connected through an intake pipe. The second output end 542 of the molecular sieve tower component 54 is sequentially connected to the solenoid valve 56, the second silencer 53, and the nitrogen outlet 55. Among them, the air pump inlet 51 is responsible for introducing air into the system. The first silencer 52 is used to reduce the noise generated by the air pump. Through the first output end 541 of the molecular sieve tower component 54, it is connected to the nitrogen outlet 55 to output high-purity nitrogen. Through the second output end 542 of the molecular sieve tower component 54, it is used to discharge the separated oxygen. The solenoid valve 56 is used to control the discharge of oxygen. The second silencer 53 is connected to the oxygen outlet 57 to reduce the noise when oxygen is discharged. The working process of the nitrogen preservation component is as follows:

[0058] The air pump sends air from the air pump inlet 51 into the system through the intake pipe. The air passes through the first silencer 52 to reduce the noise generated by the air pump. The air enters the molecular sieve tower component 54, and nitrogen is separated out. The high-purity nitrogen flows from the first output end 541 of the molecular sieve tower component 54 to the nitrogen outlet for preservation, while the oxygen is discharged through the second output end 542. The separated oxygen passes through the solenoid valve 56 and the second silencer 53 and is discharged from the oxygen outlet 57, while reducing the noise at the same time.

[0059] In another embodiment, the air pump assembly is arranged outside the refrigeration equipment compartment and at the bottom of the refrigeration equipment; the nitrogen preservation component is arranged inside the refrigeration equipment compartment.

[0060] Specifically, currently the molecular sieve tower is located inside the refrigerating chamber, occupying the space of the refrigerating chamber. In this embodiment, the air pump assembly is arranged outside the refrigeration compartment, reducing the occupation of the internal space of the refrigerating chamber and improving the storage capacity. The nitrogen preservation component is still arranged inside the refrigeration equipment compartment, near the top or the side wall, so that nitrogen can be evenly distributed to carry out nitrogen production and preservation for the equipment compartment. In addition, by arranging the air pump assembly outside the refrigeration compartment, the heat generated by the operation of the air pump can be dissipated through natural convection or a fan, avoiding the heat from entering the refrigerating chamber and affecting the refrigeration efficiency. Moreover, the noise generated during the operation of the air pump is isolated outside the compartment, which can improve the user experience. When a failure occurs, it is convenient for inspection and maintenance without opening the refrigerating chamber.

[0061] In some of the embodiments, the position of the intake pipe is the distance from the freezing evaporator;

[0062] The calculation method for the position of the intake pipe is as follows:

[0063] L = T1(5L2 - 4L1) / (T1 - T0);

[0064] Among them, L is the position of the intake pipe, T1 is the temperature of the refrigeration evaporator, T0 is the room temperature, L1 is the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, and L2 is the distance between the refrigeration evaporator and the rear panel.

[0065] Specifically, Figure 6 is a side cross-sectional view of the refrigeration equipment box body of the fresh-keeping component in this embodiment. The box body sequentially passes through the inner liner 61, the polyurethane foam 62, the vacuum insulation panel 63, and the rear panel 64 from the refrigeration evaporator 12 outwards. Among them, the polyurethane foam 62 and the vacuum insulation panel 63 are heat-insulating materials, and their heat insulation rates differ by 5-10 times. In the stable state, the temperature change within the same material can be approximated as linear, and the temperature is lower closer to the evaporator and higher closer to the outer surface of the refrigerator.

[0066] Figure 7 is a relationship diagram between the temperature of the intake pipe and the position of the intake pipe of the fresh-keeping component in this embodiment. Among them, the position of the intake pipe is the distance from the refrigeration evaporator. The abscissa is the distance between the intake pipe and the refrigeration evaporator, and the ordinate is the temperature. As Figure 7 shown, the temperature of the intake pipe and its position are a two-segment piecewise function. In the temperature-distance relationship diagram, the slope can qualitatively represent the heat insulation rate (the heat insulation rates of the two materials differ by 5 times. Assume the slope of the polyurethane foam layer is k and the slope of the vacuum insulation panel part is 5k). Let the evaporator temperature be T1, the room temperature be T0, the distance between the refrigeration evaporator and the rear panel be L2, and the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel be L1. Through experimental detection, substituting the known points (L1, 6.8), (L2, T0), (L3, 0), and T1 into the piecewise function, the functional relationships of the two-segment functions can be calculated. Thus, when the temperature of the intake pipe needs to be 0°C, the calculation formula for the position of the intake pipe is:

[0067] L = T1(5L2 - 4L1) / (T1 - T0);

[0068] Among them, L is the position of the intake pipe, T1 is the temperature of the refrigeration evaporator, T0 is the room temperature, L1 is the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, and L2 is the distance between the refrigeration evaporator and the rear panel.

[0069] When the environment changes, the position of the intake pipe can be adjusted according to this formula to make the temperature of the intake pipe 0°C, so as to reduce the saturated water content in the air, thereby realizing the improvement of the service life of the molecular sieve.

[0070] In another embodiment, the air pump assembly includes an air pump upper cover, an air pump lower cover, and an air pump. Among them, a first damping rubber is provided between the air pump upper cover and the air pump, and a second damping rubber is provided between the air pump lower cover and the air pump.

[0071] Specifically, the air pump generates vibration and noise during operation. In this embodiment, by providing springs and rubber pads in the air pump assembly, the transmission of vibration and noise is reduced.

[0072] Figure 8 is a schematic structural diagram of the air pump assembly of the fresh-keeping component in this embodiment, as Figure 8 shown, the air pump assembly includes an air pump upper cover 81, an air pump lower cover 82, and an air pump 83. Among them, a first vibration-damping rubber 84 is provided between the air pump upper cover 81 and the air pump 83, and a second vibration-damping rubber 85 is provided between the air pump lower cover 82 and the air pump 83.

[0073] Figure 9 is a schematic bottom structure diagram of the air pump assembly of the fresh-keeping component in this embodiment, as Figure 9 shown, the bottom of the air pump assembly includes a refrigerator bottom plate 91, 4 vibration-damping rubber pads 92 for fixing the air pump assembly. A vibration-damping spring 93 is provided on each vibration-damping rubber pad. The feet of the air pump assembly are installed on the vibration-damping spring 93, and a fixing screw 94 is installed above the feet of the air pump assembly. The vibration and noise of the air pump during operation are reduced by the vibration-damping spring and the vibration-damping rubber pad together.

[0074] In this embodiment, a method for installing the intake pipe of the fresh-keeping component is also provided. By this method, the fresh-keeping component described in the above embodiment is installed. Figure 10 is a flowchart of the method for installing the intake pipe of the fresh-keeping component in this embodiment. This process includes the following steps:

[0075] Step S1001, obtain the temperature of the freezing evaporator, the room temperature, the distance between the freezing evaporator and the inner side of the vacuum insulation panel, and the distance between the freezing evaporator and the rear panel.

[0076] Specifically, the temperature T1 of the current freezing evaporator and the room temperature T0 are detected by a temperature sensor, and the distance L1 between the freezing evaporator and the inner side of the vacuum insulation panel is detected by a distance sensor, and the distance L2 between the freezing evaporator and the rear panel is detected by a distance sensor.

[0077] Step S1002, calculate the installation position of the intake pipe according to the temperature of the freezing evaporator, the room temperature, the distance between the freezing evaporator and the inner side of the vacuum insulation panel, and the distance between the freezing evaporator and the rear panel.

[0078] Specifically, the position of the intake pipe is calculated according to the calculation formula of the intake pipe position obtained in the above embodiment:

[0079] L = T1(5L2 - 4L1) / (T1 - T0);

[0080] Wherein, L is the position of the intake pipe, T1 is the temperature of the refrigeration evaporator, T0 is the room temperature, L1 is the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, and L2 is the distance between the refrigeration evaporator and the rear panel.

[0081] Step S1003, install the intake pipe according to the installation position of the intake pipe.

[0082] Calculate the installation position of the current intake pipe based on the currently detected data, and install the intake pipe of the fresh-keeping component according to this installation position.

[0083] The method embodiment provided in this embodiment can be executed on a terminal, a computer, or a similar computing device. For example, running on a terminal, Figure 11 is the hardware structure block diagram of the terminal of the fresh-keeping component control method of this embodiment. As Figure 11 shown, the terminal may include one or more ( Figure 11 only one is shown in Figure 11 the processor 1102 and the memory 1104 for storing data. Among them, the processor 1102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA. The above terminal may also include a transmission device 1106 for communication functions and an input / output device 1108. Those of ordinary skill in the art can understand that Figure 11 the structure shown is only schematic and does not limit the structure of the above terminal. For example, the terminal may further include more or fewer components than Figure 11 shown in

[0084] The memory 1104 can be used to store computer programs. For example, software programs and modules of application software, such as the computer program corresponding to the fresh-keeping component control method in this embodiment. The processor 1102 executes various functional applications and data processing by running the computer program stored in the memory 1104, that is, implements the above method. The memory 1104 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memories, or other non-volatile solid-state memories. In some instances, the memory 1104 may further include a memory remotely set relative to the processor 1102, and these remote memories can be connected to the terminal through a network. Examples of the above network include, but are not limited to, the Internet, an enterprise intranet, a local area network, a mobile communication network, and combinations thereof.

[0085] The transmission device 1106 is used to receive or send data via a network. The above-mentioned network includes a wireless network provided by the communication provider of the terminal. In one instance, the transmission device 1106 includes a network adapter (Network Interface Controller, abbreviated as NIC), which can be connected to other network devices through a base station so as to communicate with the Internet. In one instance, the transmission device 1106 can be a Radio Frequency (RF) module, which is used to communicate with the Internet wirelessly.

[0086] In this embodiment, a method for controlling a fresh-keeping component is provided. Figure 12 It is a flowchart of the method for controlling the fresh-keeping component in this embodiment, as Figure 12 shown, this process includes the following steps:

[0087] Step S1201, calculate the target position of the intake pipe according to the temperature of the freezing evaporator, the room temperature, the distance between the freezing evaporator and the inner side of the vacuum insulation panel, and the distance between the freezing evaporator and the rear panel, so that the temperature of the intake pipe reaches a preset target temperature and reduce the water content in the intake pipe.

[0088] Specifically, detect the temperature of the freezing evaporator, the room temperature, the distance between the freezing evaporator and the inner side of the vacuum insulation panel, and the distance between the freezing evaporator and the rear panel, and calculate the target position of the intake pipe according to the calculation formula of the intake pipe position obtained in the above embodiment:

[0089] L = T1(5L2 - 4L1) / (T1 - T0);

[0090] Wherein, L is the position of the intake pipe, T1 is the temperature of the freezing evaporator, T0 is the room temperature, L1 is the distance between the freezing evaporator and the inner side of the vacuum insulation panel, and L2 is the distance between the freezing evaporator and the rear panel.

[0091] Step S1202, place the intake pipe according to the target position of the intake pipe.

[0092] Step S1203, control the solenoid valve to operate for a preset first duration and then close the solenoid valve;

[0093] Step S1204, turn on the air pump so that the pressure in the molecular sieve tower assembly in the fresh-keeping component rises and adsorbs oxygen;

[0094] Step S1205, determine whether the oxygen is saturated. If so, execute step S1206; otherwise, continue to execute step S1204;

[0095] Step S1206, turn off the air pump and at the same time open the solenoid valve to discharge nitrogen;

[0096] Step S1207: Determine whether the nitrogen concentration in the refrigeration equipment reaches a preset concentration value. If so, execute Step S1208; otherwise, execute Step 1203;

[0097] Step S1208: End.

[0098] Through the above Steps S1201 to S1208, calculate the target position of the intake pipe according to the temperature of the refrigeration evaporator, the room temperature, the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, and the distance between the refrigeration evaporator and the back panel, so that the temperature of the intake pipe reaches a preset target temperature and reduce the water content in the intake pipe; arrange the intake pipe according to the target position of the intake pipe; execute a cyclic process until a preset condition is met; the cyclic process includes: controlling the solenoid valve to operate for a preset first duration and then closing the solenoid valve, and at the same time turning on the air pump to increase the pressure in the molecular sieve tower assembly in the fresh-keeping component and adsorb oxygen; when the oxygen reaches saturation, turn off the air pump and at the same time open the solenoid valve to discharge nitrogen; wherein, the preset condition is that the nitrogen concentration in the refrigeration equipment reaches a preset concentration value. By setting the position of the intake pipe, the problem that in the prior art, the molecular sieve has a short service life due to high intake air temperature and humidity during the nitrogen production and fresh-keeping process of the fresh-keeping equipment is solved, the service life of the molecular sieve is improved, and the service life of the fresh-keeping component is improved.

[0099] In some of these embodiments, the target temperature of the intake pipe is 0°C.

[0100] According to Figure 4 it can be known that maintaining the temperature of the intake pipe at a relatively low level such as 0°C can significantly extend the service cycle of the molecular sieve and prolong the service life. Thus, in this embodiment, through experiments, it is obtained that the position of the intake pipe can be determined according to the distance between the refrigeration evaporator and the back panel, the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, the temperature of the refrigeration evaporator, and the room temperature, so that the temperature of the intake pipe reaches 0°C.

[0101] In this embodiment, an electronic device is also provided, including a memory and a processor. A computer program is stored in the memory, and the processor is configured to run the computer program to execute the steps in any one of the above method embodiments.

[0102] Optionally, the above electronic device may further include a transmission device and an input / output device. Among them, the transmission device is connected to the above processor, and the input / output device is connected to the above processor.

[0103] Optionally, in this embodiment, the above processor may be configured to execute the following steps through a computer program:

[0104] S1. Calculate the target position of the intake pipe based on the temperature of the refrigeration evaporator, the room temperature, the distance between the refrigeration evaporator and the inner side of the vacuum insulation panel, and the distance between the refrigeration evaporator and the back panel, so that the temperature of the intake pipe reaches a preset target temperature and the water content in the intake pipe is reduced;

[0105] S2. Arrange the intake pipe according to the target position of the intake pipe;

[0106] S3. Execute a cyclic process until a preset condition is met; the cyclic process includes:

[0107] Control the solenoid valve to operate for a preset first duration and then close the solenoid valve. At the same time, turn on the air pump so that the pressure in the molecular sieve tower assembly in the fresh-keeping component rises and oxygen is adsorbed;

[0108] When the oxygen reaches saturation, turn off the air pump and turn on the solenoid valve at the same time to discharge nitrogen;

[0109] Wherein, the preset condition is that the nitrogen concentration in the refrigeration equipment reaches a preset concentration value.

[0110] It should be noted that specific examples in this embodiment can refer to the examples described in the above embodiment and optional implementation manners, and will not be elaborated in this embodiment.

[0111] In addition, in combination with the fresh-keeping component control method provided in the above embodiment, a storage medium can also be provided to implement it in this embodiment. A computer program is stored on the storage medium; when the computer program is executed by a processor, any one of the fresh-keeping component control methods in the above embodiment is implemented.

[0112] It should be understood that the specific embodiments described here are only used to explain this application, rather than to limit it. According to the embodiments provided by the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0113] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, displayed data, etc.) involved in the present application are all information and data authorized by the user or fully authorized by all parties.

[0114] Obviously, the accompanying drawings are only some examples or embodiments of the present application. For those of ordinary skill in the art, the present application can also be applied to other similar situations based on these drawings without creative work. Additionally, it can be understood that although the work done during the development process may be complex and time-consuming, for those of ordinary skill in the art, certain design, manufacturing, or production changes based on the technical content disclosed in the present application are only routine technical means and should not be regarded as insufficient disclosure of the present application.

[0115] The term "embodiment" in the present application means that the specific features, structures, or characteristics described in connection with the embodiments may be included in at least one embodiment of the present application. The phrase appears in various positions in the specification and does not necessarily mean the same embodiment, nor does it mean being independent or alternative to other embodiments and mutually exclusive. Those of ordinary skill in the art can clearly or implicitly understand that the embodiments described in the present application can be combined with other embodiments without conflict.

[0116] Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be completed by instructing relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above methods. Among them, any reference to a memory, database, or other medium used in the embodiments provided in this application can include at least one of non-volatile and volatile memories. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetoresistive random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc. The databases involved in the embodiments provided in this application can include at least one of relational databases and non-relational databases. Non-relational databases can include distributed databases based on blockchain, etc., without limitation. The processors involved in the embodiments provided in this application can be general-purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, data processing logics based on quantum computing, etc., without limitation.

[0117] The above embodiments merely represent several implementation manners of this application. The descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of patent protection. It should be noted that for those of ordinary skill in the art, without departing from the concept of this application, several modifications and improvements can still be made, and these all belong to the protection scope of this application. Therefore, the protection scope of this application should be subject to the appended claims.

Claims

1. A fresh-keeping component, which is arranged in a refrigeration device. The refrigeration device includes a rear back panel, a vacuum insulation panel, a freezing evaporator and a blower. The rear back panel is disposed outside the vacuum insulation panel, and is characterized in that, The freshness preservation component includes: an air pump assembly, an intake pipe, and a nitrogen freshness preservation component; wherein, The air pump assembly is arranged on one side of the blower; The position of the intake pipe is determined according to the distance between the refrigerating evaporator and the back panel, the distance between the refrigerating evaporator and the inner side of the vacuum insulation panel, the temperature of the refrigerating evaporator, and the room temperature, so that the temperature of the intake pipe is 0°C; The nitrogen freshness preservation component is connected to the intake pipe and is used to prepare the nitrogen required by the refrigeration device.

2. The freshness preservation component according to claim 1, characterized in that The nitrogen freshness preservation component includes an air pump air inlet, a first silencer, a second silencer, a molecular sieve tower assembly, a nitrogen outlet, a solenoid valve, and an oxygen outlet, wherein, The air pump air inlet is connected to one end of the first silencer, the other end of the first silencer is connected to the input end of the molecular sieve tower assembly, the first output end of the molecular sieve tower assembly is connected to the nitrogen outlet, the second output end of the molecular sieve tower assembly is connected to one end of the solenoid valve, the other end of the solenoid valve is connected to one end of the second silencer, and the other end of the second silencer is connected to the oxygen outlet; One end of the intake pipe is connected to the air pump assembly, and the other end of the intake pipe is connected to the air pump air inlet of the nitrogen freshness preservation component.

3. The freshness preservation component according to claim 1, characterized in that The air pump assembly is arranged outside the compartment of the refrigeration device and at the bottom of the refrigeration device; the nitrogen freshness preservation component is arranged inside the compartment of the refrigeration device.

4. The freshness preservation component according to claim 1, wherein: The position of the intake pipe is the distance from the refrigerating evaporator; The calculation method of the position of the intake pipe is: L = T1(5L2 - 4L1) / (T1 - T0); Wherein, L is the position of the intake pipe, T1 is the temperature of the refrigerating evaporator, T0 is the room temperature, L1 is the distance between the refrigerating evaporator and the inner side of the vacuum insulation panel, and L2 is the distance between the refrigerating evaporator and the back panel.

5. The freshness preservation component according to claim 1, wherein The air pump assembly includes an air pump upper cover, an air pump lower cover, and an air pump. Among them, a first damping rubber is arranged between the air pump upper cover and the air pump, and a second damping rubber is arranged between the air pump lower cover and the air pump.

6. A method for installing an intake pipe of a fresh-keeping component, which is applied to the fresh-keeping component described in any one of claims 1 to 5 above, and is characterized in that, Including: Obtaining the temperature of the refrigerating evaporator, the room temperature, the distance between the refrigerating evaporator and the inner side of the vacuum insulation panel, and the distance between the refrigerating evaporator and the back panel; Calculating the installation position of the intake pipe according to the temperature of the refrigerating evaporator, the room temperature, the distance between the refrigerating evaporator and the inner side of the vacuum insulation panel, and the distance between the refrigerating evaporator and the back panel; Installing the intake pipe according to the installation position of the intake pipe.

7. A method for controlling a fresh-keeping component, which is applied to the fresh-keeping component described in any one of claims 1 to 5 above, and is characterized in that, Including: Calculating the target position of the intake pipe according to the temperature of the refrigerating evaporator, the room temperature, the distance between the refrigerating evaporator and the inner side of the vacuum insulation panel, and the distance between the refrigerating evaporator and the back panel, so that the temperature of the intake pipe reaches a preset target temperature and reduces the water content in the intake pipe; Placing the intake pipe according to the target position of the intake pipe; Performing a cyclic process until a preset condition is met; The cyclic process includes: After controlling the solenoid valve to operate for a preset first duration, close the solenoid valve, and at the same time, turn on the air pump to increase the pressure in the molecular sieve tower assembly in the freshness preservation component and adsorb oxygen; When the oxygen reaches saturation, turn off the air pump and at the same time, open the solenoid valve to discharge nitrogen; Wherein, the preset condition is that the nitrogen concentration in the refrigeration device reaches a preset concentration value.

8. The method for controlling the freshness preservation component according to claim 7, wherein, The target temperature is 0°C.

9. An electronic device, comprising a memory and a processor, characterized in that, A computer program is stored in the memory, and the processor is configured to run the computer program to execute the freshness preservation component control method according to any one of claims 7 to 8.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, the steps of the freshness preservation component control method according to any one of claims 7 to 8 are implemented.

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