Valve system, refrigeration equipment, refrigeration control method and storage medium thereof

Abstract

The embodiment of the invention discloses a valve system, refrigeration equipment, a refrigeration control method and a storage medium thereof, the valve system comprises a first valve and a second valve, the first valve is provided with a first inlet, a first outlet and a second outlet, and the second valve is provided with a second inlet, a third inlet, a third outlet, a fourth outlet and a fifth outlet; the third outlet is used for being connected with a first evaporator through a first throttling device; the fourth outlet is used for being connected with a second evaporator through a second throttling device, and the fifth outlet is used for being connected with a third evaporator through a third throttling device. By arranging the first valve and the second valve, connection between the condenser and the evaporator of the refrigeration equipment can be switched according to different use scenes, the refrigeration equipment can effectively adapt to refrigeration systems in different modes, the condensation prevention pipe is connected in the high-humidity environment, the condensation phenomenon of the refrigeration equipment is avoided, the refrigeration efficiency of the refrigeration equipment is improved, and the refrigeration cost is reduced. The refrigeration time is shortened, and the energy consumption of refrigeration equipment is effectively reduced.

Description

Technical Field

[0001] The present application relates to the field of refrigeration technology, and in particular to a valve system, a refrigeration device, a refrigeration control method and a storage medium thereof. Background Art

[0002] Existing refrigeration equipment has single-system and multi-system refrigeration structures, such as single-system refrigerators, dual-system refrigerators and triple-system refrigerators. Among them, the single-system refrigerator has a single operating mode and cannot adjust the system's operating parameters according to different usage scenarios to achieve energy saving or increase the refrigeration speed. In addition, dual-system and triple-system refrigerators can only simply cool different compartments according to the set temperature, and their control systems can often only be used in a single scenario. Especially for triple-system refrigerators, the evaporators corresponding to the variable temperature chamber, cold storage chamber and freezer chamber cannot flexibly and quickly adjust the operating status according to different usage scenarios to better meet the refrigeration needs. Summary of the invention

[0003] The purpose of the present application is to solve at least one of the technical problems existing in the prior art, and to provide a valve system, a refrigeration equipment, a refrigeration control method and a storage medium thereof, which can effectively adapt to refrigeration systems in different modes, improve the refrigeration efficiency of the refrigeration equipment, shorten the refrigeration time, and effectively reduce the energy consumption of the refrigeration equipment.

[0004] In a first aspect, an embodiment of the present application provides a valve system, comprising: a first valve and a second valve, the first valve being provided with a first inlet, a first outlet and a second outlet, the second valve being provided with a second inlet, a third inlet, a third outlet, a fourth outlet and a fifth outlet; the first outlet being used to be connected to the second inlet, the second outlet being used to be connected to the third inlet through an anti-condensation pipe, the first inlet being used to be connected to a condenser, the third outlet being used to be connected to a first evaporator through a first throttling device; the fourth outlet being used to be connected to the second evaporator through a second throttling device, and the fifth outlet being used to be connected to the third evaporator through a third throttling device.

[0005] The valve system provided in the embodiment of the present application has at least the following beneficial effects: by setting the first valve and the second valve, the connection between the condenser and the evaporator of the refrigeration equipment can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes. In a high-humidity environment, the anti-condensation pipe can be connected to avoid condensation in the refrigeration equipment, thereby improving the refrigeration efficiency of the refrigeration equipment and shortening the refrigeration time. By setting the third outlet, the fourth outlet and the fifth outlet, the temperature control accuracy of the variable temperature chamber, the cold storage chamber and the freezer chamber can be improved, and the energy consumption of the refrigeration equipment can be effectively reduced.

[0006] In a second aspect, an embodiment of the present application provides a refrigeration device, including: a condenser, a first evaporator, a second evaporator, a third evaporator and the valve system as described above.

[0007] The refrigeration equipment provided in the embodiment of the present application has at least the following beneficial effects: by setting the first valve and the second valve, the connection between the condenser and the evaporator of the refrigeration equipment can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes, thereby improving the refrigeration efficiency of the refrigeration equipment and shortening the refrigeration time; by setting the third outlet, the fourth outlet and the fifth outlet, the temperature control accuracy of the variable temperature chamber, the cold storage chamber and the freezer chamber is improved, and the energy consumption of the refrigeration equipment is effectively reduced.

[0008] In the above refrigeration equipment, a first branch formed by a first throttling device and the first evaporator is connected in parallel with a second branch formed by a second throttling device and the second evaporator.

[0009] In the above refrigeration equipment, the second evaporator and the third evaporator are connected in series, and the connection between the second evaporator and the third evaporator is also connected to the fifth outlet through the third throttling device.

[0010] In the above refrigeration equipment, the second branch is connected in parallel with the third branch formed by the third throttling device and the third evaporator.

[0011] In a third aspect, an embodiment of the present application provides a refrigeration control method, which is applied to the refrigeration device as described above, and the refrigeration control method includes:

[0012] When the external humidity of the refrigeration equipment is greater than a preset humidity threshold, the valve system is controlled to open the second outlet and the third inlet and close the first outlet and / or the second inlet;

[0013] According to the temperature of the compartment corresponding to the first evaporator, the valve system is controlled to open or close the third outlet;

[0014] Controlling the valve system to open or close the fourth outlet according to the temperature of the compartment corresponding to the second evaporator;

[0015] According to the temperature of the compartment corresponding to the third evaporator, the valve system is controlled to open or close the fifth outlet.

[0016] According to the control method provided in the embodiment of the present application, at least the following beneficial effects are achieved: by setting the first valve and the second valve, the connection between the condenser and the evaporator of the refrigeration equipment can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes. In a high-humidity environment, the anti-condensation pipe can be connected to avoid condensation in the refrigeration equipment, thereby improving the refrigeration efficiency of the refrigeration equipment and shortening the refrigeration time. By setting the third outlet, the fourth outlet and the fifth outlet, the temperature control accuracy of the variable temperature chamber, the cold storage chamber and the freezer chamber can be improved, and the energy consumption of the refrigeration equipment can be effectively reduced.

[0017] In the above refrigeration control method, when the external humidity of the refrigeration equipment is greater than a preset humidity threshold, controlling the valve system to open the second outlet and the third inlet and close the first outlet and / or the second inlet comprises:

[0018] When the external humidity of the refrigeration equipment is greater than the humidity threshold, the refrigeration equipment enters the anti-dew mode and controls the valve system to open the second outlet and the third inlet so that the first valve and the second valve are connected through the anti-condensation pipe, and the refrigerant passing through the condenser heats the anti-condensation pipe.

[0019] In the above refrigeration control method, the method further includes:

[0020] When the external humidity of the refrigeration device is less than or equal to the humidity threshold, the refrigeration device enters a low energy consumption mode and controls the valve system to open the first outlet and the second inlet, and close the second outlet and / or the third inlet, so that the first valve and the second valve are connected through the first outlet and the second inlet.

[0021] In the above refrigeration control method, the method comprises:

[0022] When the temperature of the compartment corresponding to the first evaporator is greater than or equal to a preset first temperature threshold, controlling the valve system to open the third outlet;

[0023] When the temperature of the compartment corresponding to the first evaporator is lower than the first temperature threshold, controlling the valve system to close the third outlet;

[0024] When the temperature of the compartment corresponding to the second evaporator is greater than or equal to a preset second temperature threshold, controlling the valve system to open the fourth outlet;

[0025] When the temperature of the compartment corresponding to the second evaporator is lower than the second temperature threshold, controlling the valve system to close the fourth outlet;

[0026] When the temperature of the compartment corresponding to the third evaporator is greater than or equal to a preset third temperature threshold, controlling the valve system to open the fifth outlet;

[0027] When the temperature of the compartment corresponding to the third evaporator is lower than the third temperature threshold, the valve system is controlled to close the fifth outlet.

[0028] In the above refrigeration control method, the second evaporator and the third evaporator are connected in series, and the connection between the second evaporator and the third evaporator is also connected to the fifth outlet through a third throttling device. The method includes:

[0029] When the temperature of the compartment corresponding to the first evaporator is greater than or equal to a preset first temperature threshold, controlling the valve system to open the third outlet and close the fifth outlet;

[0030] When the temperature of the compartment corresponding to the second evaporator is greater than or equal to a preset second temperature threshold, the valve system is controlled to open the fourth outlet and close the fifth outlet.

[0031] In the above refrigeration control method, the method further includes:

[0032] When the temperature of the compartment corresponding to the first evaporator is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator is greater than or equal to a preset third temperature threshold, the valve system is controlled to close the third outlet and the fourth outlet and open the fifth outlet;

[0033] When the temperature of the compartment corresponding to the first evaporator is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator is less than the third temperature threshold, the valve system is controlled to close the third outlet, the fourth outlet, and the fifth outlet, and the compressor of the refrigeration equipment is controlled to stop.

[0034] In a fourth aspect, an embodiment of the present application provides a refrigeration control device, characterized in that it includes at least one control processor and a memory for communicating with the at least one control processor; the memory stores instructions that can be executed by the at least one control processor, and the instructions are executed by the at least one control processor so that the at least one control processor can execute the control method as described above.

[0035] The refrigeration control device provided in the embodiment of the present application has at least the following beneficial effects: by setting the first valve and the second valve, the connection between the condenser and the evaporator of the refrigeration equipment can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes. In a high-humidity environment, the anti-condensation pipe can be connected to avoid condensation in the refrigeration equipment, thereby improving the refrigeration efficiency of the refrigeration equipment and shortening the refrigeration time. By setting the third outlet, the fourth outlet and the fifth outlet, the temperature control accuracy of the variable temperature chamber, the cold storage chamber and the freezer chamber can be improved, and the energy consumption of the refrigeration equipment can be effectively reduced.

[0036] In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, characterized in that the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to enable a computer to execute the control method as described above.

[0037] The computer-readable storage medium provided in the embodiment of the present application has at least the following beneficial effects: by setting the first valve and the second valve, the connection between the condenser and the evaporator of the refrigeration equipment can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes. In a high-humidity environment, the anti-condensation pipe can be connected to avoid condensation in the refrigeration equipment, thereby improving the refrigeration efficiency of the refrigeration equipment and shortening the refrigeration time. By setting the third outlet, the fourth outlet and the fifth outlet, the temperature control accuracy of the variable temperature chamber, the cold storage chamber and the freezer chamber can be improved, and the energy consumption of the refrigeration equipment can be effectively reduced.

[0038] Other features and advantages of the present application will be described in the following description, and partly become apparent from the description, or understood by practicing the present application. The purpose and other advantages of the present application can be realized and obtained by the structures specifically pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings are used to provide further understanding of the technical solution of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present application and do not constitute a limitation on the technical solution of the present application.

[0040] Figure 1 is a structural schematic diagram of a valve system provided in an embodiment of the present application;

[0041] Figure 2 It is a structural schematic diagram of a refrigeration device provided in an embodiment of the present application;

[0042] Figure 3 is a structural schematic diagram of a refrigeration device provided by another embodiment of the present application;

[0043] Figure 4is a structural schematic diagram of a refrigeration device provided by another embodiment of the present application;

[0044] Figure 5 is a structural schematic diagram of a refrigeration device provided by another embodiment of the present application;

[0045] Figure 6 is a structural schematic diagram of a refrigeration device provided by another embodiment of the present application;

[0046] Figure 7 is a structural schematic diagram of a refrigeration device provided by another embodiment of the present application;

[0047] Figure 8 is a structural schematic diagram of a refrigeration device provided by another embodiment of the present application;

[0048] Fig. 9 is a flow chart of a refrigeration control method provided by another embodiment of the present application;

[0049] Fig.10 yes Fig. 9 Flow chart of step S1000;

[0050] Fig.11 yes Fig. 9 Flowchart of step S2000;

[0051] Fig.12 yes Fig. 9 Flowchart of step S3000;

[0052] Fig.13 yes Fig. 9 Flowchart of step S4000;

[0053] Fig.14 yes Fig. 9 A flowchart of another embodiment of steps S2000 to S4000;

[0054] Fig.15 It is a schematic diagram of a refrigeration control device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0055] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0056] In the description of the present application, it should be understood that the descriptions involving orientations, such as up, down, front, back, left, right, etc., and the orientations or positional relationships indicated are the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0057] In the description of this application, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0058] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0059] The embodiments of the present application provide a valve system, a refrigeration device, a refrigeration control method and a computer-readable storage medium. By setting a first valve and a second valve, the connection between the condenser and the evaporator of the refrigeration device can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes. In a high-humidity environment, an anti-condensation pipe can be connected to avoid condensation in the refrigeration device, thereby improving the refrigeration efficiency of the refrigeration device and shortening the refrigeration time. By setting a third outlet, a fourth outlet and a fifth outlet, the temperature control accuracy of the variable temperature room, the cold storage room and the freezer room can be improved, and the energy consumption of the refrigeration equipment can be effectively reduced.

[0060] The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0061] See also Figure 1 , Figure 1 The first aspect of the present application provides a schematic diagram of the structure of a valve system. Figure 1As shown, the valve system includes: a first valve 100 and a second valve 200, the first valve 100 is provided with a first inlet 110, a first outlet 120 and a second outlet 130, the second valve 200 is provided with a second inlet 210, a third inlet 220, a third outlet 230, a fourth outlet 240 and a fifth outlet 250; the first outlet 120 is used to connect with the second inlet 210, the second outlet 130 is used to connect with the third inlet 220 through the anti-condensation pipe 140, the first inlet 110 is used to connect with the condenser 300, the third outlet 230 is used to connect with the first evaporator 410 through the first throttling device 261; the fourth outlet 240 is used to connect with the second evaporator 420 through the second throttling device 262, and the fifth outlet 250 is used to connect with the third evaporator 430 through the third throttling device 263.

[0062] It is understandable that the valve system provided in this embodiment can be applied to refrigerators, air conditioners and other refrigeration equipment to control the flow of refrigerant in the refrigeration equipment, so that the refrigeration equipment can be adjusted under different refrigeration environments, effectively reducing the energy consumption of the refrigeration equipment. In actual applications, the first valve 100 and the second valve 200 are both electric switching valves. The main function of the electric switching valve of the refrigerator is to control the flow direction of the refrigerator refrigerant. Under its normal operation, different room temperatures achieve different refrigeration effects, and the refrigerator can be divided into different refrigeration compartments, such as a variable temperature room, a cold storage room, a freezer room, etc. Without this valve system, the refrigerator will not be able to adjust the flow of the refrigerant according to different application scenarios, and the temperature control and energy saving effects cannot be achieved.

[0063] In practical applications, in the circulation device of refrigeration equipment, such as air conditioning pipelines and refrigerator refrigeration pipelines, electric switching valves are usually used as control components to change the flow path of the refrigerant. The electric switching valve drives the motor rotor to rotate by using the stator component, and the motor rotor drives the slider to rotate. The slider rotates relative to the slide plate. The slider is provided with a groove or a hole or a slot. When the groove or the hole or the slot is aligned with the valve port on the slide plate, the outlet pipe connected to the hole is turned on. The slider is controlled to rotate by controlling the number of pulses input to the stator component, so as to realize the on-off switching of an inlet pipe and two or more outlet pipes welded on the slide plate. The first valve 100 and the second valve 200 adopt electric switching valves, which can accurately control the conduction or shutdown between the first outlet 120 and the second inlet 210, the second outlet 120 and the third inlet 220, the third outlet 230 and the first throttling device 261, the fourth outlet 240 and the second throttling device 262, and the fifth outlet 250 and the third throttling device 263, so that the valve system can adjust the refrigerant flowing through the first valve 100 and the second valve 200 according to different application scenarios, so as to achieve the effect of temperature control and energy saving.

[0064] It can be understood that the second outlet 120 is connected to the third inlet 220 through the anti-condensation pipe 140, the third outlet 230 is connected to the first evaporator 410 through the first throttling device 261, the fourth outlet 240 is connected to the second evaporator 420 through the second throttling device 262, and the fifth outlet 250 is connected to the third evaporator 430 through the third throttling device 263. When the valve system conducts the second outlet 120 and the third inlet 220, the refrigerant flowing through the first valve 100 and the second valve 200 passes through the anti-condensation pipe 140 located at the middle beam position of the refrigerator, heats the anti-condensation pipe 140, and evaporates the condensation near the middle beam position of the refrigerator, thereby preventing condensation from forming inside the refrigerator; when the valve system conducts the first outlet 120 and the second inlet 210, the first valve 100 and the second valve 200 are directly connected, thereby preventing the refrigerant of the first valve 100 and the second valve 200 from passing through the anti-condensation pipe 140 to dissipate heat inside the refrigerator, reducing the heat load of the cabinet, and achieving the effect of energy saving and energy consumption reduction. According to the refrigeration demand of each refrigeration room, the opening of the third outlet 230, the fourth outlet 240 and the fifth outlet 250 corresponding to the refrigeration room is adjusted, and the flow rate of the refrigerant flowing through the first evaporator 410, the second evaporator 420 and the third evaporator 430 can be flexibly and quickly adjusted to achieve the effect of precise temperature control.

[0065] It can be understood that, in response to the need for energy saving in refrigerators, the embodiment of the present application adopts a method of connecting two electric switching valves in series, and achieves the purpose of short-circuiting the anti-dew pipe, changing the flow rate and maintaining the system pressure through different working modes of the valve system under the usage scenarios with small overall load and low humidity, thereby reducing operating energy consumption; in addition, in response to the need for improving the refrigeration speed of refrigerators, the embodiment of the present application adopts a method of connecting two electric switching valves in series, and increases the flow rate of the refrigerant during high-load operation to achieve the purpose of improving the refrigeration speed.

[0066] See also Figures 2 to 8 , Figures 2 to 8 FIG. 2 shows a schematic diagram of a refrigeration device provided by an embodiment of the second aspect of the present application. Figures 2 to 8 As shown, the refrigeration device includes: a condenser 300, an evaporator 400 and the valve system as described above.

[0067] It is understandable that in order to cope with different application environments and usage costs, existing refrigerators are divided into single-system refrigerators and multi-system refrigerators. Specifically, multi-system refrigerators include three-system refrigerators, which means that the variable temperature room, refrigerator room and freezer room are equipped with independent evaporators respectively, and the variable temperature room, refrigerator room and freezer room are not connected, which effectively avoids the odor from mixing between the three refrigeration compartments, and the refrigeration speed is also greatly improved, the performance is stronger, and the energy consumption and production cost are higher. In a single-system refrigerator, the refrigerator room and the freezer room share an evaporator, and the gap between the two refrigeration compartments is interconnected.

[0068] Specifically, a single-system refrigerator is mainly composed of a compressor and a refrigeration compartment, and its refrigeration and freezing functions are concentrated in one system. The three-system refrigerator separates the temperature-changing, refrigeration and freezing functions, and is composed of three independently working first evaporators 410, second evaporators 420, third evaporators 430 and corresponding temperature-changing chambers, cold storage chambers and freezer chambers, that is, the first evaporator 410 is a temperature-changing chamber evaporator, the second evaporator 420 is a cold storage chamber evaporator, and the third evaporator 430 is a freezer chamber evaporator. This design makes the three-system refrigerator more flexible in refrigeration and freezing, and the temperature can be adjusted separately as needed to avoid mutual interference. Secondly, from the perspective of storage space and layout, there are also obvious differences between the single-system and three-system refrigerators. The temperature-changing chamber, freezer and cold storage chamber of the three-system refrigerator are separately arranged, each with an independent door, making it more convenient to classify and store food. The single-system refrigerator combines multiple refrigeration chambers into one, and the capacity is relatively small. For families who need to store a large amount of different types of food, the three-system refrigerator is more advantageous.

[0069] It is understandable that the storage area of ​​a multi-system refrigerator is mainly divided into three parts: a variable temperature room, a freezer and a refrigerator. The main difference between them is the difference in temperature and humidity. The variable temperature room usually refers to the temperature control function in the refrigerator, which allows the user to adjust the temperature of the refrigerator to make it a warm room. This function can help users preserve food better and allow users to adjust the temperature in the refrigerator to meet the temperature requirements required for storing different foods. For example, frozen foods require lower temperatures, while vegetables and fruits require higher temperatures. Through the refrigerator variable temperature function, users can adjust the temperature as needed. The temperature range of the refrigerator variable temperature room is generally between -1℃ and 7℃, and -18℃ can be directly set as a freezer. When food is stored in an environment between -1℃ and 7℃, it will become soft but not yet thawed. It can be cut when it is taken out without additional thawing, saving time to thaw food. In addition, the variable temperature room saves the power consumption of the refrigerator to freeze food again, extending the service life of the refrigerator. The freezer is a low-temperature area in the refrigerator, usually below 0℃. The freezer is mainly used to store perishable foods such as meat, fish, seafood, and ice cream. The freezer can also store some non-perishable foods such as bread, cakes, and fruits. The refrigerator is a high-temperature area in the refrigerator, usually between 0-8°C. The refrigerator is mainly used to store milk, eggs, fruits, vegetables, juice, yogurt, cheese, and other foods. The temperature of the refrigerator is moderate, which can extend the shelf life of food, but it is not suitable for storing perishable foods. Among them, the main function of the freezer is to store perishable foods. The temperature of the freezer is low, which can effectively inhibit the reproduction of bacteria and microorganisms in food and reduce the rate of food corruption. The freezer can also make ice cubes, ice cream, and other foods. The main function of the refrigerator is to store perishable foods. The temperature of the refrigerator is moderate, which can effectively slow down the rate of food corruption and maintain the freshness of food. The refrigerator can also store some non-perishable foods such as bread, cakes, and fruits.

[0070] See also Figures 2 to 4 , Figures 2 to 4 FIG. 2 shows a schematic diagram of a refrigeration device provided by another embodiment of the present application. Figures 2 to 4 As shown, the first branch formed by the first throttling device 261 and the first evaporator 410 is connected in parallel with the second branch formed by the second throttling device 262 and the second evaporator 420 , and the second branch is connected in parallel with the third branch formed by the third throttling device 263 and the third evaporator 430 .

[0071] It can be understood that the first branch, the second branch and the third branch are connected in parallel. By opening the third outlet 230, the fourth outlet 240 and the fifth outlet 250, the refrigerant can enter the first evaporator 410, the second evaporator 420 and the third evaporator 430 corresponding to the first throttling device 261, the second throttling device 262 and the third throttling device 263, and then quickly refrigerate the variable temperature room, the cold storage room and the freezer, so as to achieve the effect of rapid refrigeration; by closing the third outlet 230, the fourth outlet 240 and the fifth outlet 250, the refrigerant can stop entering the first evaporator 410, the second evaporator 420 and the third evaporator 430, and then stop refrigerating the variable temperature room, the cold storage room and the freezer, reducing the flow of the refrigerant and achieving the effect of reducing energy consumption. At this time, the variable temperature room, the freezer and the cold storage room of the refrigerator can be independently adjusted according to the refrigeration requirements, thereby improving the refrigeration efficiency and temperature adjustment flexibility of the refrigerator.

[0072] See also Figures 5 to 8 , Figures 5 to 8 FIG. 2 shows a schematic diagram of a refrigeration device provided by another embodiment of the present application. Figures 5 to 8 As shown, the first branch formed by the first throttling device 261 and the first evaporator 410 is connected in parallel with the second branch formed by the second throttling device 262 and the second evaporator 420, the second evaporator 420 and the third evaporator 430 are connected in series, and the connection between the second evaporator 420 and the third evaporator 430 is also connected to the fifth outlet 250 through the third throttling device 263.

[0073] It can be understood that the first branch is connected in parallel with the second branch, the second evaporator 420 and the third evaporator 430 are connected in series, and the fifth outlet 250 is connected to the connection between the second evaporator 420 and the third evaporator 430 through the third throttling device 263. At this time, the first evaporator 410 and the second evaporator 420 in the refrigeration equipment are connected in parallel, and the second evaporator 420 and the third evaporator 430 are connected in series. By opening the third outlet 230, the fourth outlet 240 or the fifth outlet 250, the refrigerant can enter the third evaporator 430, and then the freezing chamber is quickly cooled. Among them, the third evaporator 430 is connected to the second valve 200 through the first throttling device 261, the second throttling device 262 or the third throttling device 263, which can ensure that the third evaporator 430 continuously and stably cools the freezing chamber, achieving a stable cooling effect. By closing the third outlet 230, the refrigerant can stop entering the first evaporator 410, and then stop cooling the variable temperature room, reduce the flow of refrigerant, and achieve the effect of reducing energy consumption; by closing the fourth outlet 240, the refrigerant can stop entering the second evaporator 420, and then stop cooling the cold storage room, reduce the flow of refrigerant, and similarly achieve the effect of reducing energy consumption. Specifically, since the set temperature of the freezing chamber is relatively low, the refrigeration demand of the freezing chamber is relatively large, or the refrigeration time of the freezing chamber is relatively long, in actual application, the third evaporator 430 is connected in series with the first evaporator 410 and the second evaporator 420 to ensure that when the third evaporator 430 is working normally with the first evaporator 410 or the second evaporator 420, the refrigerant can still enter the third evaporator 430 through the third outlet 230, the fourth outlet 240 or the fifth outlet 250, so as to achieve the effect of continuous refrigeration of the freezing chamber, and avoid the frequent start and stop of the third evaporator 430, which affects the refrigeration effect of the freezing chamber. At this time, the third evaporator 430 is connected in series with the first evaporator 410 and the second evaporator 420 respectively and in sequence between the compressor 500 and the valve system to ensure that the refrigeration equipment continuously and stably cools the freezer compartment and improves the refrigeration efficiency and temperature control stability of the refrigerator.

[0074] In another embodiment, a filter 310 is further provided between the first valve 100 and the condenser 300. The filter 310 adopts a drying and filtering combined design through internal design to perform drying and filtering operations on the refrigerant. Among them, the drying function of the filter 310 is mainly to provide chemical protection, including water absorption and acid absorption, the purpose of which is to avoid corrosion of the metal surface and decomposition of the refrigerant and lubricating oil. The filtering function of the filter 310 is mainly to provide physical protection, including intercepting particles and other impurities, which can effectively prevent filtered objects and soluble substances from entering the key components of the refrigeration equipment, thereby ensuring that the refrigeration equipment operates in the best state, ensuring the smooth operation of the refrigeration equipment, and also improving the service life of the refrigeration equipment.

[0075] See also Fig. 9 , Fig. 9 FIG. 2 shows a flow chart of a refrigeration control method provided by an embodiment of the third aspect of the present application. Fig. 9 As shown, the refrigeration control method includes the following steps:

[0076] Step S1000 : when the external humidity of the refrigeration equipment is greater than a preset humidity threshold, the valve system is controlled to open the second outlet 130 and the third inlet 220 , and to close the first outlet 120 and / or the second inlet 210 .

[0077] It is understandable that before the refrigeration control of the refrigeration equipment is performed, the refrigerant circulation system and valve system of the refrigeration equipment need to be installed and prepared for operation, such as ensuring that the first evaporator 410, the second evaporator 420, the third evaporator 430, the condenser 300, the compressor 500, and the valve system of the refrigerant circulation system are all operating normally, and each interface of the first valve 100 and the second valve 200 is operating normally; the connection between the first valve 100, the second valve 200 and the first throttling device 261, the second throttling device 262, the third throttling device 263, and the condenser 300 is stable and reliable; the temperature acquisition unit in the refrigeration room can accurately obtain the temperature of the refrigeration room, and the humidity acquisition unit of the refrigeration equipment can accurately obtain the external humidity of the refrigeration equipment; the switch control unit of the compressor 500 operates normally and can accurately control the compressor 500 to shut down and start. At the same time, when the compressor 500, the first valve 100 and the second valve 200 are operating, the refrigerant circulation system and the valve system communicate with the compressor 500, the temperature acquisition unit, and the humidity acquisition unit to obtain the temperature of the refrigeration room and the external humidity of the refrigeration equipment in real time.

[0078] It is understandable that when the external humidity of the refrigeration equipment is greater than the preset humidity threshold, the anti-condensation pipe 140 needs to be heated by the refrigerant of the condenser to evaporate the condensation near the anti-condensation pipe 140 in the refrigerator to prevent condensation from forming inside the refrigerator. At this time, the second outlet 130 and the third inlet 220 need to be opened so that the first valve 100 and the second valve 200 are connected through the anti-condensation pipe 140.

[0079] See also Fig.10 , Fig.10 FIG. 5 shows a schematic diagram of a specific implementation process of the above step S1000. Fig.10 As shown, step S1000 at least includes the following steps:

[0080] Step S1100: When the external humidity of the refrigeration equipment is greater than the humidity threshold, the refrigeration equipment enters the anti-dew mode and controls the valve system to open the second outlet 130 and the third inlet 230, so that the first valve 100 and the second valve 200 are connected through the anti-condensation pipe 140, and the refrigerant passing through the condenser 300 heats the anti-condensation pipe 140.

[0081] It is understandable that after obtaining the current external humidity through the humidity acquisition unit of the refrigerator, the size relationship between the external humidity and the humidity threshold can be determined. Among them, by obtaining the external humidity of the refrigerator in real time and comparing it with the humidity threshold, it can effectively ensure that the refrigeration device can perform anti-dew operation on the refrigerator according to the external humidity, thereby improving the relevance of the external humidity of the refrigeration device to the working state of the anti-condensation pipe 140.

[0082] It is understandable that in order to ensure the anti-dew effect of the refrigeration equipment, when the external humidity of the refrigeration equipment is greater than the humidity threshold, in order to avoid condensation inside the refrigeration equipment, such as Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown, by controlling the valve system to open the second outlet 130 and the third inlet 220, the first valve 100 and the second valve 200 are connected through the anti-condensation pipe 140. At this time, the refrigerant passing through the first valve 100 passes through the second outlet 130, the anti-condensation pipe 140 and the third inlet 220 in sequence and enters the second valve 200. Since the anti-condensation pipe 140 is conducted, the refrigerant heats the anti-condensation pipe 140, so that the condensation near the anti-condensation pipe 140 exchanges heat with the anti-condensation pipe 140, and the condensation absorbs heat and evaporates, so as to achieve the effect of preventing condensation from forming. It can be understood that the process of performing anti-condensation operation on the refrigeration compartment of the refrigerator through the anti-condensation pipe 140 according to the external humidity of the refrigeration equipment belongs to the prior art and will not be repeated here.

[0083] Step S1200: When the external humidity of the refrigeration equipment is less than or equal to the humidity threshold, the refrigeration equipment enters a low energy consumption mode and controls the valve system to open the first outlet and the second inlet, close the second outlet and / or the third inlet, so that the first valve and the second valve are connected through the first outlet and the second inlet.

[0084] It is understandable that when the external humidity of the refrigeration equipment is less than or equal to the humidity threshold, the humidity inside the refrigerator's refrigeration compartment does not meet the conditions for condensation formation. At this time, if the anti-condensation pipe 140 continues to be turned on, the refrigerant heats the anti-condensation pipe 140, causing the condensation near the anti-condensation pipe 140 to exchange heat with the anti-condensation pipe 140, causing the anti-condensation pipe 140 to perform unnecessary heat dissipation in the refrigeration compartment, increasing the energy consumption of the refrigeration equipment. Therefore, the anti-condensation pipe 140 needs to be short-circuited to achieve the effect of reducing energy consumption.

[0085] It is understandable that in order to reduce the energy consumption of the compressor 500, when the external humidity of the refrigeration equipment is less than or equal to the humidity threshold, in order to avoid causing unnecessary heat loss, such as Figure 2 , Figure 5 and Figure 6As shown, by controlling the valve system to open the first outlet 120 and the second inlet 210, the first valve 100 and the second valve 200 are directly connected. At this time, the refrigerant passing through the first valve 100 passes through the first outlet 120 and the second inlet 210 in sequence and enters the second valve 200. Since the second outlet 130 and / or the third inlet 220 are closed, the anti-condensation pipe 140 is short-circuited, and the refrigerant is prevented from heating the anti-condensation pipe 140, so as to achieve the effect of reducing the energy consumption of the compressor 500. It can be understood that the process of directly connecting the first valve 100 and the second valve 300 for refrigeration according to the external humidity of the refrigeration equipment belongs to the prior art and will not be repeated here.

[0086] Step S2000 : Controlling the valve system to open or close the third outlet 230 according to the temperature of the compartment corresponding to the first evaporator 410 .

[0087] It is understandable that the existing refrigerator determines whether to start the compressor 500 to cool the variable temperature room, the cold storage room and the freezer room according to whether the temperature of the variable temperature room, the cold storage room and the freezer room reaches the preset start-stop temperature. Specifically, when the temperature of the variable temperature room is higher than the start-up temperature, the variable temperature room requests cooling, and when the temperature of the variable temperature room is lower than the shutdown temperature, the variable temperature room stops requesting cooling. Therefore, there is a problem of large fluctuations in the start-up and shutdown temperatures of the existing refrigerators, which will cause the compressor 500 to start frequently, affecting the energy consumption and service life of the refrigerator. Through the valve system, the amount of refrigerant entering the first evaporator 410 through the third outlet 230 is adjusted to achieve rapid and accurate temperature control of the variable temperature room, effectively avoiding frequent startup and shutdown of the compressor 500.

[0088] See also Fig.11 , Fig.11 FIG. 5 shows a schematic diagram of a specific implementation process of the above step S2000. Fig.11 As shown, step S2000 at least includes the following steps:

[0089] Step S2100 : when the temperature of the compartment corresponding to the first evaporator 410 is greater than or equal to a preset first temperature threshold, the valve system is controlled to open the third outlet 230 .

[0090] It is understandable that when the temperature of the compartment corresponding to the first evaporator 410 is greater than the preset first temperature threshold, the third outlet 230 corresponding to the first evaporator 410 needs to be opened so that the refrigerant passing through the first valve 100 enters the first evaporator 410 through the second valve 200 to quickly cool the variable temperature chamber of the refrigerator. At this time, the third outlet 230 corresponding to the first evaporator 410 needs to be opened so that the first evaporator 410 is connected to the second valve 200 to achieve a rapid cooling effect.

[0091] It is understandable that when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, Figure 3 As shown, by opening the third outlet 230, the fourth outlet 240 and the fifth outlet 250 and connecting the corresponding first evaporator 410, the second evaporator 420 and the third evaporator 430, the refrigerant can enter the corresponding evaporator through the third outlet 230, the fourth outlet 240 and the fifth outlet 250, and perform refrigeration operations on the variable temperature chamber, the cold storage chamber and the freezer chamber to ensure the refrigeration effect of the refrigeration equipment. Specifically, when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, the first evaporator 410 can perform independent refrigeration operations according to the temperature of the variable temperature chamber, so that the temperature of the variable temperature chamber reaches a preset first temperature threshold.

[0092] Step S2200 : When the temperature of the compartment corresponding to the first evaporator 410 is lower than the first temperature threshold, the valve system is controlled to close the third outlet 230 .

[0093] It is understandable that when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, Figure 2 As shown, by closing the third outlet 230 and cutting off the connection between the second valve 200 and the first evaporator 410, the refrigerant stops entering the first evaporator 410 through the third outlet 230, and the refrigeration operation of the variable temperature chamber is stopped, so as to reduce the energy consumption of the refrigeration equipment. Specifically, when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, the first evaporator 410 can independently stop the refrigeration operation according to the temperature of the variable temperature chamber, so that the first evaporator 410 can be actively stopped when the temperature of the variable temperature chamber reaches a preset first temperature threshold, thereby ensuring the temperature control effect of the variable temperature chamber and avoiding unnecessary energy consumption.

[0094] See also Fig.14 , Fig.14 FIG. 1 is a flow chart showing a refrigeration control method provided by an embodiment of the present application. Fig.14 As shown, the above step S2000 at least includes the following steps:

[0095] Step S2300 : when the temperature of the compartment corresponding to the first evaporator 410 is greater than or equal to a preset first temperature threshold, the valve system is controlled to open the third outlet 230 and close the fifth outlet 250 .

[0096] It is understandable that if Figures 5 to 8As shown, when the second evaporator 420 and the third evaporator 430 are connected in series, and the connection between the second evaporator 420 and the third evaporator 430 is also connected to the fifth outlet 250 through the third throttling device 263, the first throttling device 261 is connected between the second evaporator 420 and the third evaporator 430 through the first evaporator 410. Figure 5 and Figure 7 As shown, when the temperature of the variable temperature chamber is higher than the first temperature threshold, the third outlet 230 connected to the first evaporator 410 is opened. At the same time, in order to prevent the refrigerant from directly reaching the third evaporator 430 through the fifth outlet 250 and the third throttling device 263 and affecting the refrigeration effect of the first evaporator 410, it is necessary to close the fifth outlet 250 so that the refrigerant can stably enter the first evaporator 410 through the first throttling device 261, so that the first evaporator 410 cools the variable temperature chamber to ensure the refrigeration effect of the refrigerator.

[0097] Step S3000 : Controlling the valve system to open or close the fourth outlet 240 according to the temperature of the compartment corresponding to the second evaporator 420 .

[0098] It is understandable that the existing refrigerator determines whether to start the compressor 500 to refrigerate the variable temperature chamber, the cold storage chamber and the freezer chamber according to whether the temperature of the variable temperature chamber, the cold storage chamber and the freezer chamber reaches the preset start-stop temperature. Specifically, when the temperature of the cold storage chamber is higher than the start-up temperature, the cold storage chamber requests refrigeration, and when the temperature of the cold storage chamber is lower than the shutdown temperature, the cold storage chamber stops requesting refrigeration. Therefore, there is a problem of large fluctuation range in the start-up and shutdown temperatures of the existing refrigerators, which will cause the compressor 500 to start frequently, affecting the energy consumption and service life of the refrigerator. Through the valve system, the amount of refrigerant entering the second evaporator 420 through the fourth outlet 240 is adjusted to achieve fast and accurate temperature control of the cold storage chamber, effectively avoiding frequent startup and shutdown of the compressor 500.

[0099] See also Fig.12 , Fig.12 FIG. 5 shows a schematic diagram of a specific implementation process of the above step S3000. Fig.12 As shown, step S3000 at least includes the following steps:

[0100] Step S3100 : when the temperature of the compartment corresponding to the second evaporator 420 is greater than or equal to a preset second temperature threshold, the valve system is controlled to open the fourth outlet 240 .

[0101] It is understandable that when the temperature of the compartment corresponding to the second evaporator 420 is greater than the preset second temperature threshold, the fourth outlet 240 corresponding to the second evaporator 420 needs to be opened so that the refrigerant passing through the first valve 100 enters the second evaporator 420 through the second valve 200 to quickly cool the refrigerator compartment. At this time, the fourth outlet 240 corresponding to the second evaporator 420 needs to be opened so that the second evaporator 420 is connected to the second valve 200 to achieve a rapid cooling effect.

[0102] It is understandable that when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, Figure 2 and Figure 3 As shown, by opening the fourth outlet 240 and the fifth outlet 250 and connecting the corresponding second evaporator 420 and the third evaporator 430, the refrigerant can enter the corresponding evaporator through the fourth outlet 240 and the fifth outlet 250, and perform refrigeration operation on the refrigerating chamber and the freezing chamber to ensure the refrigeration effect of the refrigeration equipment. Specifically, when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, the second evaporator 420 can perform independent refrigeration operation according to the temperature of the refrigerating chamber, so that the temperature of the refrigerating chamber reaches the preset second temperature threshold.

[0103] Step S3200 : When the temperature of the compartment corresponding to the second evaporator 420 is lower than the second temperature threshold, the valve system is controlled to close the fourth outlet 240 .

[0104] It is understandable that when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, Figure 4 As shown, by closing the third outlet 230 and cutting off the connection between the second valve 200 and the first evaporator 410, the refrigerant stops entering the second evaporator 420 through the fourth outlet 240, and the refrigeration operation of the refrigerating chamber is stopped, so as to reduce the energy consumption of the refrigeration equipment. Specifically, when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, the second evaporator 420 can independently stop the refrigeration operation according to the temperature of the refrigerating chamber, so that when the temperature of the refrigerating chamber reaches the preset second temperature threshold, the second evaporator 420 can be actively stopped, so as to ensure the temperature control effect of the refrigerating chamber and avoid unnecessary energy consumption.

[0105] See also Fig.14 , Fig.14 FIG. 1 is a flow chart showing a refrigeration control method provided by an embodiment of the present application. Fig.14 As shown, the above step S3000 at least includes the following steps:

[0106] Step S3300 : when the temperature of the compartment corresponding to the second evaporator 420 is greater than or equal to a preset second temperature threshold, the valve system is controlled to open the fourth outlet 240 and close the fifth outlet 250 .

[0107] It is understandable that if Figures 5 to 8 As shown, when the second evaporator 420 and the third evaporator 430 are connected in series, and the connection between the second evaporator 420 and the third evaporator 430 is also connected to the fifth outlet 250 through the third throttling device 263, the first throttling device 261 is connected between the second evaporator 420 and the third evaporator 430 through the first evaporator 410. Figure 6 and Figure 7 As shown, when the temperature of the cold storage chamber is higher than the second temperature threshold, the fourth outlet 240 connected to the second evaporator 420 is opened. At the same time, in order to prevent the refrigerant from directly reaching the third evaporator 430 through the fifth outlet 250 and the third throttling device 263 and affecting the refrigeration effect of the second evaporator 420, it is necessary to close the fifth outlet 250 so that the refrigerant can stably enter the second evaporator 420 through the second throttling device 262, so that the second evaporator 420 cools the cold storage chamber and ensures the refrigeration effect of the refrigerator.

[0108] Step S4000 : Controlling the valve system to open or close the fifth outlet 250 according to the temperature of the compartment corresponding to the third evaporator 430 .

[0109] It is understandable that the existing refrigerator determines whether to start the compressor 500 to refrigerate the variable temperature chamber, the cold storage chamber and the freezer chamber according to whether the temperature of the variable temperature chamber, the cold storage chamber and the freezer chamber reaches the preset start-stop temperature. Specifically, when the temperature of the freezer chamber is higher than the start-up temperature, the freezer chamber requests refrigeration, and when the temperature of the freezer chamber is lower than the shutdown point, the freezer chamber stops requesting refrigeration. Therefore, there is a problem of large fluctuations in the start-up and shutdown temperatures of the existing refrigerators, which will cause the compressor 500 to start frequently, affecting the energy consumption and service life of the refrigerator. Through the valve system, the amount of refrigerant entering the third evaporator 430 through the fifth outlet 250 is adjusted to achieve rapid and accurate temperature control of the freezer chamber, effectively avoiding frequent startup and shutdown of the compressor 500.

[0110] See also Fig.13 , Fig.13 FIG. 4 shows a schematic diagram of a specific implementation process of the above step S4000. Fig.13 As shown, step S4000 at least includes the following steps:

[0111] Step S4100 : when the temperature of the compartment corresponding to the third evaporator 430 is greater than or equal to a preset third temperature threshold, the valve system is controlled to open the fifth outlet 250 .

[0112] It is understandable that when the temperature of the compartment corresponding to the third evaporator 430 is greater than the preset third temperature threshold, the fifth outlet 250 corresponding to the third evaporator 430 needs to be opened so that the refrigerant passing through the first valve 100 enters the third evaporator 430 through the second valve 200 to quickly cool the freezer compartment of the refrigerator. At this time, the fifth outlet 250 corresponding to the third evaporator 430 needs to be opened so that the third evaporator 430 is connected to the second valve 200 to achieve a rapid cooling effect.

[0113] It is understandable that when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, Figures 2 to 4 As shown, by opening the fifth outlet 250 and conducting the corresponding third evaporator 430, the refrigerant can enter the corresponding evaporator through the fifth outlet 250 to perform a refrigeration operation on the freezing chamber to ensure the refrigeration effect of the refrigeration equipment. Specifically, when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, the third evaporator 430 can perform an independent refrigeration operation according to the temperature of the freezing chamber, so that the temperature of the freezing chamber reaches a preset third temperature threshold.

[0114] Step S4200 : when the temperature of the compartment corresponding to the third evaporator 430 is lower than the third temperature threshold, the valve system is controlled to close the fifth outlet 250 .

[0115] It is understandable that, when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, by closing the fifth outlet 250 and cutting off the connection between the second valve 200 and the third evaporator 430, the refrigerant stops entering the third evaporator 430 through the fifth outlet 250, and the refrigeration operation of the freezer compartment is stopped, so as to reduce the energy consumption of the refrigeration equipment. Specifically, when the first evaporator 410, the second evaporator 420 and the third evaporator 430 are connected in parallel, the third evaporator 430 can independently stop the refrigeration operation according to the temperature of the freezer compartment, so that the third evaporator 430 can be actively stopped when the temperature of the freezer compartment reaches the preset third temperature threshold, so as to ensure the temperature control effect of the freezer compartment and avoid unnecessary energy consumption.

[0116] See also Fig.14 , Fig.14 FIG. 1 is a flow chart showing a refrigeration control method provided by an embodiment of the present application. Fig.14 As shown, the above step S4000 at least includes the following steps:

[0117] Step S4300: When the temperature of the compartment corresponding to the first evaporator 410 is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator 420 is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator 430 is greater than or equal to the preset third temperature threshold, the valve system is controlled to close the third outlet 230 and the fourth outlet 240 and open the fifth outlet 250.

[0118] It is understandable that if Figures 5 to 8 As shown, when the second evaporator 420 and the third evaporator 430 are connected in series, and the connection between the second evaporator 420 and the third evaporator 430 is also connected to the fifth outlet 250 through the third throttling device 263, the first throttling device 261 is connected between the second evaporator 420 and the third evaporator 430 through the first evaporator 410. Figure 8 As shown, when the temperature of the compartment corresponding to the first evaporator 410 is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator 420 is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator 430 is greater than or equal to the preset third temperature threshold, the variable temperature room and the cold storage room have reached the shutdown temperature, while the freezer room still has a refrigeration demand. At this time, the third outlet 230 connected to the first evaporator 410 and the fourth outlet 240 connected to the second evaporator 420 need to be closed. At the same time, in order to ensure that the refrigerant can continue to directly reach the third evaporator 430 through the fifth outlet 250 and the third throttling device 263, the fifth outlet 250 needs to be opened so that the refrigerant can stably enter the third evaporator 430 through the fifth outlet 250, so that the third evaporator 430 refrigerates the freezer room to ensure the refrigeration effect of the refrigerator.

[0119] Step S4400: When the temperature of the compartment corresponding to the first evaporator 410 is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator 420 is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator 430 is less than the third temperature threshold, the compressor 500 of the refrigeration equipment is controlled to stop, and the valve system is controlled to close the third outlet 230, the fourth outlet 240 and the fifth outlet 250.

[0120] It is understandable that when the temperature of the compartment corresponding to the first evaporator 410 is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator 420 is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator 430 is less than the third temperature threshold, that is, the three refrigeration compartments of the refrigerator have reached the shutdown temperature, and the refrigeration equipment has reached the condition of stopping refrigeration. In order to avoid energy waste, it is necessary to control the compressor 500 of the refrigeration equipment to stop, and control the valve system to close the third outlet, the fourth outlet and the fifth outlet, so that the first evaporator 410, the second evaporator 420 and the third evaporator 430 stop refrigerating each refrigeration compartment. In practical applications, shutting down the compressor 500 first, and then closing the third outlet 230, the fourth outlet 240 and the fifth outlet 250 can effectively maintain the pressure of the refrigerant system of the refrigeration equipment and improve the operating efficiency of the refrigeration equipment. It is understandable that when the refrigeration equipment reaches the condition of stopping refrigeration, controlling the compressor 500 of the refrigeration equipment to stop, and controlling the valve system to close the third outlet 230, the fourth outlet 240 and the fifth outlet 250, belongs to the prior art and will not be repeated here.

[0121] Reference Fig.14 The fourth aspect embodiment of the present application also provides a refrigeration control device 600, including at least one control processor 610 and a memory 620 for communicating with the at least one control processor 610; the memory 620 stores instructions that can be executed by the at least one control processor 610, and the instructions are executed by the at least one control processor 610 so that the at least one control processor 610 can execute the refrigeration control method as described above.

[0122] The refrigeration control device provided in the embodiment of the present application has at least the following beneficial effects: by setting the first valve 100 and the second valve 200, the connection between the condenser 300 and the evaporator 400 of the refrigeration equipment can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes, improve the refrigeration efficiency of the refrigeration equipment, and shorten the refrigeration time; by setting the third outlet 230, the fourth outlet 240 and the fifth outlet 250, the temperature control accuracy of the variable temperature chamber, the cold storage chamber and the freezer chamber is improved, and the energy consumption of the refrigeration equipment is effectively reduced.

[0123] In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, characterized in that the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to enable a computer to execute a control method such as the embodiment of the first aspect.

[0124] The computer-readable storage medium provided in accordance with the embodiment of the present application has at least the following beneficial effects: by setting the first valve 100 and the second valve 200, the connection between the condenser 300 and the evaporator 400 of the refrigeration equipment can be switched according to different usage scenarios, and can effectively adapt to refrigeration systems in different modes, thereby improving the refrigeration efficiency of the refrigeration equipment and shortening the refrigeration time; by setting the third outlet 230, the fourth outlet 240 and the fifth outlet 250, the temperature control accuracy of the variable temperature chamber, the cold storage chamber and the freezer chamber is improved, and the energy consumption of the refrigeration equipment is effectively reduced.

[0125] It will be appreciated by those skilled in the art that all or some of the steps and systems in the disclosed method above may be implemented as software, firmware, hardware and appropriate combinations thereof. Some physical components or all physical components may be implemented as software executed by a processor, such as a central processing unit, a digital signal processor or a microprocessor, or may be implemented as hardware, or may be implemented as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on a computer-readable medium, which may include a computer storage medium (or a non-transitory medium) and a communication medium (or a temporary medium). As known to those skilled in the art, the term computer storage medium includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules or other data). Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, disk storage or other magnetic storage devices, or any other medium that may be used to store desired information and may be accessed by a computer. Furthermore, it is well known to those skilled in the art that communication media typically include computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media.

[0126] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0127] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A valve system, characterized in that: include: A first valve and a second valve, wherein the first valve is provided with a first inlet, a first outlet and a second outlet, and the second valve is provided with a second inlet, a third inlet, a third outlet, a fourth outlet and a fifth outlet; the first outlet is used to be connected to the second inlet, the second outlet is used to be connected to the third inlet through an anti-condensation pipe, the first inlet is used to be connected to a condenser, the third outlet is used to be connected to a first evaporator through a first throttling device; the fourth outlet is used to be connected to a second evaporator through a second throttling device, and the fifth outlet is used to be connected to a third evaporator through a third throttling device.

2. A refrigeration device, characterized in that: include: A condenser, a first evaporator, a second evaporator, a third evaporator and a valve system as claimed in claim 1.

3. The refrigeration equipment according to claim 2, characterized in that: A first branch formed by the first throttling device and the first evaporator is connected in parallel with a second branch formed by the second throttling device and the second evaporator.

4. The refrigeration equipment according to claim 3, characterized in that: The second evaporator and the third evaporator are connected in series, and the connection between the second evaporator and the third evaporator is also connected to the fifth outlet through a third throttling device.

5. The refrigeration equipment according to claim 3, characterized in that: The second branch is connected in parallel with a third branch formed by a third throttling device and the third evaporator.

6. A refrigeration control method, characterized in that: Applicable to the refrigeration equipment according to any one of claims 2 to 5; The refrigeration control method comprises: When the external humidity of the refrigeration equipment is greater than a preset humidity threshold, the valve system is controlled to open the second outlet and the third inlet and close the first outlet and / or the second inlet; According to the temperature of the compartment corresponding to the first evaporator, the valve system is controlled to open or close the third outlet; Controlling the valve system to open or close the fourth outlet according to the temperature of the compartment corresponding to the second evaporator; According to the temperature of the compartment corresponding to the third evaporator, the valve system is controlled to open or close the fifth outlet.

7. The method according to claim 6, characterized in that When the external humidity of the refrigeration equipment is greater than a preset humidity threshold, the valve system is controlled to open the second outlet and the third inlet and close the first outlet and / or the second inlet, comprising: When the external humidity of the refrigeration equipment is greater than the humidity threshold, the refrigeration equipment enters the anti-dew mode and controls the valve system to open the second outlet and the third inlet so that the first valve and the second valve are connected through the anti-condensation pipe, and the refrigerant passing through the condenser heats the anti-condensation pipe.

8. The method according to claim 7, characterized in that The method further comprises: When the external humidity of the refrigeration device is less than or equal to the humidity threshold, the refrigeration device enters a low energy consumption mode and controls the valve system to open the first outlet and the second inlet, and close the second outlet and / or the third inlet, so that the first valve and the second valve are connected through the first outlet and the second inlet.

9. The method according to claim 6, characterized in that The method comprises: When the temperature of the compartment corresponding to the first evaporator is greater than or equal to a preset first temperature threshold, controlling the valve system to open the third outlet; When the temperature of the compartment corresponding to the first evaporator is lower than the first temperature threshold, controlling the valve system to close the third outlet; When the temperature of the compartment corresponding to the second evaporator is greater than or equal to a preset second temperature threshold, controlling the valve system to open the fourth outlet; When the temperature of the compartment corresponding to the second evaporator is lower than the second temperature threshold, controlling the valve system to close the fourth outlet; When the temperature of the compartment corresponding to the third evaporator is greater than or equal to a preset third temperature threshold, controlling the valve system to open the fifth outlet; When the temperature of the compartment corresponding to the third evaporator is lower than the third temperature threshold, the valve system is controlled to close the fifth outlet.

10. The method according to claim 6, characterized in that The second evaporator and the third evaporator are connected in series, and the connection between the second evaporator and the third evaporator is also connected to a fifth outlet through a third throttling device. The method includes: When the temperature of the compartment corresponding to the first evaporator is greater than or equal to a preset first temperature threshold, controlling the valve system to open the third outlet and close the fifth outlet; When the temperature of the compartment corresponding to the second evaporator is greater than or equal to a preset second temperature threshold, the valve system is controlled to open the fourth outlet and close the fifth outlet.

11. The method according to claim 10, characterized in that The method further comprises: When the temperature of the compartment corresponding to the first evaporator is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator is greater than or equal to a preset third temperature threshold, the valve system is controlled to close the third outlet and the fourth outlet and open the fifth outlet; When the temperature of the compartment corresponding to the first evaporator is less than the first temperature threshold, the temperature of the compartment corresponding to the second evaporator is less than the second temperature threshold, and the temperature of the compartment corresponding to the third evaporator is less than the third temperature threshold, the compressor of the refrigeration equipment is controlled to stop, and the valve system is controlled to close the third outlet, the fourth outlet and the fifth outlet.

12. A refrigeration control device, characterized in that: It includes at least one control processor and a memory for communicating with the at least one control processor; the memory stores instructions that can be executed by the at least one control processor, and the instructions are executed by the at least one control processor so that the at least one control processor can execute the control method as described in any one of claims 6 to 11.

13. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to enable a computer to execute the control method according to any one of claims 6 to 11.

Images