Air purifying device, purification control method, and refrigeration apparatus

Abstract

The application discloses an air purification device, a purification control method and a refrigeration equipment, and belongs to the technical field of electrical equipment, wherein the air purification device comprises a shell and an ionization module; the shell comprises a side plate and a top plate; the side plate is arranged along the outer periphery of the top plate; the side plate is provided with a plurality of first air inlets distributed along the circumference of the side plate; the top plate is provided with a second air inlet; one of the first air inlets and the second air inlet is an air inlet, and the other is an air outlet; the ionization module comprises a first electrode and a second electrode arranged in a spaced manner with the first electrode; and the first electrode and the second electrode both extend along the circumference of the side plate. High-voltage discharge is carried out by cooperation of the first electrode and the second electrode, so that an ionization effect is generated to purify air, odor molecules can be decomposed, and the air purification device has better effects of removing odor and sterilization, thereby achieving the purpose of removing odor, has high odor removal efficiency, and can be used for removing odor of refrigeration equipment such as a refrigerator.

Description

Technical Field

[0001] This invention relates to the field of electrical equipment technology, and in particular to an air purification device, a purification control method, and a refrigeration device thereof. Background Technology

[0002] In related technologies, the air purification module inside a refrigerator is usually set with one side for air intake and one side for air exhaust. This configuration of air intake and exhaust ports can easily form a closed loop, resulting in an unsatisfactory purification effect on the air inside the refrigerator. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. To this end, this invention proposes an air purification device that can effectively solve the problem of closed-loop circulation easily occurring between the air inlet and outlet, effectively improving the odor removal effect.

[0004] The present invention also provides a purification control method, a control device, a refrigeration device, and a computer-readable storage medium including the above-described air purification device.

[0005] An air purification device according to a first aspect of the present invention includes:

[0006] The housing includes a side plate and a top plate. The side plate is arranged along the outer periphery of the top plate. The side plate is provided with a plurality of first air vents distributed circumferentially along the side plate. The top plate is provided with a second air vent. One of the first air vents and the second air vent is an air inlet and the other is an air outlet.

[0007] An ionization module is disposed within the housing and located between the air inlet and the air outlet. The ionization module includes a first electrode and a second electrode spaced apart from the first electrode. Both the first electrode and the second electrode extend circumferentially along the side plate.

[0008] The air purification device according to embodiments of the present invention has at least the following beneficial effects:

[0009] The air purification device of this embodiment has multiple first air vents arranged on the side plate of the housing, distributed circumferentially along the side plate, and a second air vent arranged on the top plate. An ionization module is arranged inside the housing, with both the first and second electrodes extending circumferentially along the side plate. By cooperating with the first and second electrodes to perform high-voltage discharge, ionization is generated to purify the air. It can decompose odor molecules and has a good effect of removing odors and sterilizing. Air can enter the housing through the first air vents, be purified, and then be sent out through the second air vent, or vice versa. This achieves the purpose of removing odors, with high odor removal efficiency, and can be used for deodorizing refrigeration equipment such as refrigerators.

[0010] According to some embodiments of the present invention, a catalyst module is further provided inside the housing. The catalyst module is disposed between the air inlet and the air outlet and extends circumferentially along the side plate. The first electrode is disposed at a distance from the catalyst module, and the second electrode is disposed on the catalyst module.

[0011] According to some embodiments of the present invention, the catalyst module includes a carrier having a plurality of first through holes, a second electrode covering the surface of the carrier having a plurality of second through holes corresponding to the first through holes, or the second electrode being a metal mesh structure.

[0012] According to some embodiments of the present invention, the first electrode is provided with a plurality of third through holes, and the third through holes and the second through holes are offset from the air inlet to the air outlet.

[0013] According to some embodiments of the present invention, the catalyst module is located between the first electrode and the second electrode, and the distance between the first electrode and the catalyst module is d1, which satisfies: 2mm≤d1≤10mm.

[0014] According to some embodiments of the present invention, the side plate, the first electrode, the second electrode and the catalyst module are all annular.

[0015] According to some embodiments of the present invention, the surface of the support is covered with a catalytic material, and the support or the catalytic material is a conductive material to form the second electrode.

[0016] According to some embodiments of the present invention, a fan is further provided inside the housing, the fan being used to draw air into the housing from the air inlet and send it out from the air outlet after passing through the ionization module and the catalyst module.

[0017] According to some embodiments of the present invention, the distance between the fan and the catalyst module is d2, and the distance between the first electrode and the second electrode is d3, satisfying that d2 > d3.

[0018] According to a second aspect of the present invention, a purification control method is used for a refrigeration device having an air purification apparatus. The air purification apparatus includes a housing and an ionization module. The housing includes a side plate and a top plate. The side plate is arranged around the outer periphery of the top plate. The side plate has a plurality of first air vents distributed circumferentially along the side plate. The top plate has a second air vent. One of the first air vents and the second air vent is an air inlet, and the other is an air outlet. The ionization module is disposed within the housing and located between the air inlet and the air outlet. The ionization module includes a first electrode and a second electrode spaced apart from the first electrode. Both the first electrode and the second electrode extend circumferentially along the side plate. The refrigeration device includes a gas sensor for detecting the concentration of odorous gases. The method includes:

[0019] The operating status of the air purification device is controlled based on the detection value of the gas sensor.

[0020] The purification control method according to embodiments of the present invention has at least the following beneficial effects:

[0021] The purification control method is applicable to refrigeration equipment with air purification devices. It uses a gas sensor to detect the air quality inside the refrigeration equipment and controls the operation of the air purification device based on the sensor's detection value. It can activate the odor removal process when the concentration of odorous gases is high. The air purification device uses a combination of a first electrode and a second electrode to perform high-voltage discharge, which generates ionization to purify the air. It can decompose odor molecules and has a good effect on removing odors and sterilizing. Air can enter the housing from the first air inlet, be purified, and then be sent out from the second air inlet, or vice versa. This achieves the purpose of removing odors and has a high odor removal efficiency.

[0022] According to some embodiments of the present invention, the gas sensor includes a first sensor and a second sensor, the distance between the first sensor and the air purification device is less than the distance between the second sensor and the air purification device, a first fan is provided inside the housing, the detection value of the first sensor is N1, the detection value of the second sensor is N2, and a preset value is N0. Controlling the operating state of the air purification device based on the detection value of the gas sensor includes:

[0023] When either N1 or N2 is greater than or equal to N0, the first fan and the ionization module are activated.

[0024] According to some embodiments of the present invention, the refrigeration device includes a second fan located within an air duct, and the method further includes:

[0025] When N1≥N0, N2≥N0 and N1 / N2<50%, the second fan is turned on.

[0026] According to some embodiments of the present invention, the refrigeration device includes a second fan located within an air duct, and the method further includes:

[0027] When N1 < N0 and N2 ≥ N0, control to start the second fan.

[0028] According to some embodiments of the present invention, the method further includes:

[0029] When N1≥N0 and N2<N0, control the second fan to maintain its current state.

[0030] A control device according to a third aspect of the present invention includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the purification control method as described in the second aspect of the present invention.

[0031] A refrigeration device according to a fourth aspect embodiment of the present invention includes an air purification device as described in the first aspect embodiment or a control device as described in the third aspect embodiment.

[0032] According to a fifth aspect embodiment of the present invention, a computer-readable storage medium stores computer-executable instructions for performing the purification control method described in the second aspect embodiment above.

[0033] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. Attached Figure Description

[0034] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0035] Figure 1 This is a schematic diagram of the overall structure of an air purification device according to an embodiment of the present invention;

[0036] Figure 2 This is a schematic diagram of the internal structure of an air purification device according to an embodiment of the present invention;

[0037] Figure 3 This is a top view of an air purification device according to an embodiment of the present invention;

[0038] Figure 4 This is a top view of another embodiment of the air purification device of the present invention;

[0039] Figure 5 This is a flowchart of a purification control method according to an embodiment of the present invention;

[0040] Figure 6 This is a flowchart of a purification control method according to another embodiment of the present invention;

[0041] Figure 7 This is a flowchart of a purification control method according to another embodiment of the present invention;

[0042] Figure 8 This is a flowchart of a purification control method according to another embodiment of the present invention.

[0043] Figure label:

[0044] 1000 air purifiers;

[0045] Housing 100; Side panel 110; Air inlet 111; Top panel 120; Air outlet 121;

[0046] Ionization module 200; First electrode 210; Third through hole 211; Second electrode 220; Second through hole 221;

[0047] Catalyst module 300; support 310; first through hole 311;

[0048] Fan 400; bracket 410. Detailed Implementation

[0049] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0050] In the description of this invention, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0051] In the description of this invention, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0052] In the description of this invention, it should be noted that terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0053] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are some embodiments of the present invention, not all embodiments.

[0054] refer to Figures 1 to 4 The air purification device 1000 described in this embodiment of the invention is applicable to refrigeration equipment such as refrigerators and freezers, and can also be applied to storage equipment such as lockers. The air purification device 1000 is described below with specific examples.

[0055] Reference Figure 1 and Figure 2 As shown, the air purification device 1000 provided in this embodiment of the invention includes a housing 100 and an ionization module 200. The housing 100 has a cavity inside, and the housing 100 has an air inlet 111 and an air outlet 121 communicating with the cavity. The ionization module 200 is installed in the cavity and includes a first electrode 210 and a second electrode 220. The first electrode 210 and the second electrode 220 are spaced apart. Air can enter the cavity through the air inlet 111 and undergo high-voltage discharge through the first electrode 210 and the second electrode 220 to generate ionization and purify the air. The purified air is discharged from the air outlet 121.

[0056] Reference Figure 1 As shown, in some embodiments, the housing 100 is generally cylindrical in shape. The housing 100 includes a side plate 110, a top plate 120, and a bottom plate. The side plate 110 is located between the top plate 120 and the bottom plate. The side plate 110 is annular. The side plate 110, top plate 120, and bottom plate are connected to define a cavity. The side plate 110 has multiple first air vents, which are spaced apart circumferentially along the side plate 110. The top plate 120 has a second air vent. Both the first and second air vents communicate with the cavity. The structure of the bottom plate is not shown in the figures. In the embodiments, the first air vent is an air inlet 111, and the second air vent is an air outlet 121. That is, multiple air inlets 111 are provided on the outer wall of the housing 100 and distributed circumferentially, and an air outlet 121 is provided on the top of the housing 100. Air can enter the cavity from the air inlets 111 on the outer periphery of the housing 100, be purified, and then be discharged from the air outlet 121 at the top.

[0057] It is understood that the air inlet 111 is distributed in a ring on the outer side wall of the housing 100, and the air outlet 121 is located in the center of the top plate 120. Compared with the traditional air purification module with only one side for air intake, the air purification device 1000 of this embodiment can take in air from all four sides of the housing 100, resulting in a larger air intake volume. The air inlet 111 and the air outlet 121 are less likely to form a closed loop, resulting in higher odor removal efficiency and improved purification effect.

[0058] Reference Figure 2 As shown in the embodiment, the first electrode 210 and the second electrode 220 are disposed between the air inlet 111 and the air outlet 121, and the first electrode 210 and the second electrode 220 extend circumferentially, so that the first electrode 210 and the second electrode 220 are both annular. The diameter of the first electrode 210 is larger than the diameter of the second electrode 220. The first electrode 210 is close to the side plate 110, and the second electrode 220 is located inside the first electrode 210. The distance between the first electrode 210 and the second electrode 220 meets the distance requirements for high-voltage discharge, and is not specifically limited.

[0059] It can be understood that when the first electrode 210 and the second electrode 220 are energized, an ionization region is formed between them. High-voltage discharge in this ionization region generates a strong electric field, which ionizes the gas, making odor molecules easier to decompose. Furthermore, the instantaneous release of energy from the high-voltage charge kills bacteria in the air, achieving both sterilization and odor removal. It should be noted that high-voltage discharge in the ionization region can generate ozone. Ozone has strong oxidizing properties and can oxidize and decompose odor molecules in the air, thus enhancing the odor removal effect.

[0060] Continue to refer to Figure 2 As shown, it can be understood that the first electrode 210 and the second electrode 220 extend circumferentially, and the annular ionization region formed can correspond to the circumferentially distributed air inlet 111. In this way, after the air enters the cavity from the periphery of the housing 100, it can be purified through the ionization region, effectively improving the odor removal efficiency. The purified air is discharged from the top of the housing 100, thus achieving the purpose of purifying the air.

[0061] Taking a refrigerator as an example, during long-term use, the meat, fruits, vegetables, and other foods stored inside will release different odors. These odors accumulate inside over time, causing unpleasant smells when the user opens the door. This also leads to cross-contamination of flavors among the food, affecting the taste. The air purification device 1000 of this embodiment can be placed directly inside the refrigerator compartment or within the refrigerator's air duct. The refrigerator's fan draws internal air into the air purification device 1000 through the air inlet 111. The air enters from all sides of the casing 100 and is purified by the ionization module 200, effectively increasing the air intake area and volume. This allows odor molecules to enter the cavity more quickly, rapidly removing odors from inside the refrigerator and improving odor removal efficiency. It also has a highly effective sterilization function, resulting in excellent purification of the air inside the refrigerator.

[0062] Reference Figure 2 As shown, in some embodiments, the air purifier 1000 may have a built-in fan 400. Specifically, the fan 400 is installed inside the housing 100. The fan 400 is an axial flow fan. The specific structure of the fan 400 is not shown in the attached figure. The fan 400 is positioned inside the cavity corresponding to the air outlet 121. A bracket 410 is provided inside the housing 100 for mounting the fan 400, making the fan 400 more stable and secure. During operation, the fan 400 and the ionization module 200 are powered on and run. The fan 400 draws air into the cavity from the surrounding air inlets 111. After being processed by the ionization module 200, the air is sent out from the air outlet 121, allowing the air inside the refrigerator to enter the air purifier 1000 more quickly for odor removal, resulting in more efficient odor removal.

[0063] It should be noted that in some embodiments, the first air vent of the side panel 110 can be set as an air outlet 121, and the second air vent of the top panel 120 can be set as an air inlet 111. That is, the top of the housing 100 has an air inlet 111, and the outer side wall of the housing 100 has multiple air outlets 121. The fan 400 can draw air in from the air inlet 111 at the top of the housing 100, and after ionization treatment, it can be sent out from the multiple air outlets 121 around the perimeter. In this way, the air inlet 111 and the air outlet 121 are less likely to form a closed loop, resulting in a better purification effect. It can be understood that, according to the actual application scenario requirements, the air inlet direction and the air outlet direction can be changed by the fan 400.

[0064] Reference Figure 1 and Figure 2As shown, the side panel 110 in this embodiment is an air inlet grille. The evenly distributed air inlets 111 help maintain a stable airflow. It can be understood that the air inlet direction is consistent with the radial direction of the housing 100, and the air outlet direction is consistent with the axial direction of the housing 100. That is, the air inlet direction is perpendicular to the air outlet direction, which can generate greater air turbulence, allowing odor gas molecules to enter the ionization zone more quickly, achieving rapid odor removal and sterilization, and improving odor removal efficiency. Furthermore, the air inlet grille can effectively prevent human hands or foreign objects from contacting the electrodes, improving safety during use.

[0065] Reference Figure 2 As shown, in some embodiments, a catalyst module 300 is provided within the housing 100. The catalyst module 300 is disposed between the air inlet 111 and the air outlet 121. The catalyst module 300 includes a carrier 310 and catalytic material disposed on the carrier 310. The carrier 310 extends circumferentially along the housing 100 to form a ring shape. The carrier 310 is located between the first electrode 210 and the second electrode 220, with the first electrode 210 and the carrier 310 spaced apart. The second electrode 220 is in close contact with the surface of the carrier 310. The catalyst module 300 has an oxidizing effect. Located in the ionization region, the catalyst module 300 reacts with the catalytic material to undergo an oxidation-reduction reaction, oxidizing and decomposing odor gas molecules, effectively removing odors and further improving the odor-removing effect.

[0066] It should be noted that the catalyst material can be covered on the surface of the carrier 310. The carrier 310 is made of a ventilable material, and a ventilation structure can also be set on the carrier 310, such as opening through holes for ventilation, so that air can pass through the catalyst module 300 and the air comes into contact with the catalyst material on the surface of the carrier 310 to produce an oxidation-reduction reaction.

[0067] Reference Figure 2 and Figure 3 As shown, Figure 3 The diagram shows a top view of the air purification device 1000. The air inlet grille, first electrode 210, catalyst module 300, and second electrode 220 are all annular and distributed radially from the outside to the inside of the housing 100. When the fan 400 and ionization module 200 are powered on, air enters the cavity from the air inlets 111 around the perimeter and enters the ionization zone. Under the action of a strong electric field, odor gas molecules are easily decomposed, and a bactericidal effect is achieved. When the air passes through the catalyst module 300, an oxidation-reduction reaction occurs on the surface of the catalyst module 300. In other words, the air entering the housing 100 from all sides is treated by ionization and catalytic oxidation, thereby effectively removing odor gases. The purified air is discharged from the air outlet 121, achieving the purpose of deodorization and sterilization. The deodorization is more efficient and has a better deodorization effect.

[0068] It should be noted that the shapes of the air intake grille, the first electrode 210, the second electrode 220 and the catalyst module 300 are not limited to the ring shape shown in the embodiment, but can be square, elliptical, etc. The first electrode 210, the second electrode 220 and the catalyst module 300 can also adopt a semi-circular structure, and there is no specific limitation.

[0069] Figure 2 In the illustrated embodiment, the carrier 310 is provided with a plurality of first through holes 311, which are evenly distributed on the surface of the carrier 310. The first electrode 210 and the second electrode 220 are both made of annular metal plates. The second electrode 220 covers the surface of the carrier 310 away from the first electrode 210. A plurality of second through holes 221 are provided on the second electrode 220, and each second through hole 221 corresponds one-to-one with the first through hole 311 on the carrier 310. At the same time, a plurality of third through holes 211 are provided on the first electrode 210, so that air can pass through the first electrode 210 through the third through holes 211, and then pass through the first through holes 311 and the second through holes 221 in sequence, so that the ionization module 200 and the catalyst module 300 have ventilation performance.

[0070] Specifically, in this embodiment, the second electrode 220 is in close contact with the carrier 310, and the size of the first through hole 311 and the second through hole 221 is set to be the same, so that the outline of the first through hole 311 coincides with the outline of the second through hole 221, that is, the edge of the first through hole 311 coincides with the edge of the second through hole 221. This can effectively reduce wind resistance and help increase the air intake.

[0071] Reference Figure 1 and Figure 2 As shown, in some embodiments, the third through hole 211 and the second through hole 221 are arranged in a radially offset manner along the housing 100. That is, each second through hole 221 and the third through hole 211 are not directly opposite each other. In the air intake direction, the edge of the second through hole 221 does not coincide with the edge of the third through hole 211. This allows a portion of the third through hole 211 to be opposite to a portion of the second through hole 221, or the third through hole 211 and the second through hole 221 to be completely offset, causing the air to form a curved path between the first electrode 210 and the second electrode 220, resulting in a better effect on air ionization. It should be noted that, since the first through hole 311 and the second through hole 221 are directly opposite each other, the first through hole 311 and the third through hole 221 are arranged in a radially offset manner along the housing 100. It can be understood that if the second through hole 221 and the third through hole 211 are set opposite each other, they mainly ionize the air in the area between the two electrodes. Some air can easily pass directly through the third through hole 211 and the second through hole 221 in sequence, reducing the ionization effect.

[0072] In some embodiments, the second electrode 220 can also be made of wire mesh. The wire mesh itself is ventilated. Covering the surface of the carrier 310 with the wire mesh allows air to pass through the first through-hole 311 and the wire mesh. The wire mesh helps increase the area of ​​electric field application and makes the electric field energy distribution more uniform. To reduce the wind resistance generated by the wire mesh, in this embodiment, the area blocked by the wire mesh on the carrier 310 is less than 10%, meaning the proportion of the area covered by the wire mesh on the carrier 310 does not exceed 10%, ensuring good ventilation performance for the second electrode 220 in conjunction with the catalyst module 300. Of course, the first electrode 210 can also be made of wire mesh. The specific forms of the first electrode 210 and the second electrode 220 are not limited to the structures shown in the above embodiments; they can be made of conductive materials according to the requirements of the actual application scenario.

[0073] It should be noted that the second electrode 220 can be set on the surface of the carrier 310 facing the first electrode 210. At this time, the catalyst module 300 is located outside the ionization zone. Air enters from the air inlet 111 and passes through the ionization zone and the catalyst module 300 in sequence, and then is discharged from the air outlet 121. This can also achieve the effects of deodorization and sterilization. The specific principle will not be elaborated here.

[0074] It is understandable that the support 310, as the framework structure for supporting the catalytic material, allows the catalytic material to be uniformly covered on the surface of the support 310. When air passes through the catalyst module 300, it can react with the surface catalytic material to produce an oxidation reaction. In some embodiments, the second electrode 220 can be integrated with the catalyst module 300. That is, part or all of the catalyst module 300 itself has conductive properties, so that the conductive part of the catalyst module 300 forms the second electrode 220. In this way, an ionization region is formed between the catalyst module 300 as a whole and the first electrode 210.

[0075] For example, the catalyst module 300 can use a metal frame to fix the carrier 310. The carrier 310 is fixed inside the metal frame. The carrier 310 itself can be made of metal and has conductive properties. After the carrier 310 is fixed to the metal frame, an electrical connection is achieved, so that the carrier 310 and the metal frame form the second electrode 220. Alternatively, a conductive material can be added to the catalytic material to make the catalyst module 300 as a whole conductive, thereby forming the second electrode 220. It can be understood that by integrating the second electrode 220 with the catalyst module 300 into a single structure, only the first electrode 210 needs to be laid out, which can reduce the number of electrodes and wind resistance.

[0076] Reference Figure 3As shown, considering the conductivity of the catalyst module 300, the radial distance between the first electrode 210 and the catalyst module 300 in this embodiment is d1. This distance d1 needs to meet safety requirements, specifically: 2mm ≤ d1 ≤ 10mm. For example, the distance between the first electrode 210 and the catalyst module 300 can be set to 2mm, 5mm, 8mm, 10mm, etc. It is understood that if the distance between the first electrode 210 and the catalyst module 300 is too small, there is a risk of high-voltage breakdown. Since the second electrode 220 is attached to the catalyst module 300, if the distance between the first electrode 210 and the catalyst module 300 is too large, the distance between the first electrode 210 and the second electrode 220 will also increase, which may affect the ionization effect.

[0077] Continue to refer to Figure 3 As shown, the distance between the blower 400 and the catalyst module 300 is d2, and the distance between the first electrode 210 and the second electrode 220 is d3. The condition d2 > d3 is met, meaning the distance between the blower 400 and the catalyst module 300 needs to be greater than the distance between the first electrode 210 and the second electrode 220. This prevents high-voltage breakdown from damaging the blower 400, meets safety regulations, and improves operational safety. For example, when the distance between the first electrode 210 and the second electrode 220 is 10mm, the distance between the blower 400 and the catalyst module 300 can be set to 12mm, 15mm, etc.

[0078] Reference Figure 4 As shown, in some embodiments, the carrier 310 can be made of a flexible substrate, such as a metal mesh or a cloth. By bending the carrier 310 into a toothed curved surface, a mesh-like second electrode 220 is attached tightly to the surface of the carrier 310. This increases the discharge area between the second electrode 220 and the first electrode 210, resulting in a larger area for ionizing the air and improving the purification effect.

[0079] refer to Figures 5 to 8 The present invention describes a purification control method applicable to refrigeration equipment having the air purification device 1000 shown in the above embodiments. The specific structure of the air purification device 1000 can be found in [reference needed]. Figures 1 to 4 The embodiments shown will not be described in detail here. The purification control method will be explained below with specific examples.

[0080] The purification control method of this invention is applicable to refrigeration equipment. Taking a refrigerator as an example, when the concentration of odorous gases inside the refrigerator is too high, odors will be generated, such as the concentration of hydrogen sulfide and methylamine. By setting a gas sensor inside the refrigerator, the air quality inside the refrigerator can be obtained in real time, and the air purification device 1000 can be controlled to operate.

[0081] For details, see Figure 5 As shown, in some embodiments, the purification control method includes, but is not limited to, the following steps:

[0082] Step S100: Control the operating status of the air purification device based on the detection value of the gas sensor.

[0083] It should be noted that the air purifier 1000 is installed inside the refrigerator. The air purifier 1000 has a built-in fan 400. A gas sensor detects the concentration of odor gases inside the refrigerator. A control device compares the sensor's detection value with a preset value and outputs a control signal to the air purifier 1000 based on the comparison result, thereby controlling the air purifier 1000's operating status. This operating status includes on / off operation. For example, when the detected value is higher than the preset value, the fan 400 and ionization module 200 are turned on; when the detected value is lower than the preset value, the air purifier 1000 is turned off, achieving automatic air purification. The control device can be located within the refrigerator or the air purifier 1000.

[0084] Understandably, when the air purifier 1000 is running, the fan 400 draws air into the cavity from the air inlets 111 around the room. The first electrode 210 and the second electrode 220 work together to perform high-voltage discharge, ionizing the air and decomposing odor molecules. This has the effect of removing odors and sterilizing. The purified air is then discharged into the refrigerator from the air outlet 121, providing a better purification effect for the air inside the refrigerator.

[0085] It should be noted that, considering the large storage space inside a refrigerator and its typically partitioned layout, there is a risk of localized strong odors. Using a single sensor to detect the concentration of odor gases at a fixed location could lead to inaccurate assessment of the air quality inside the refrigerator. Therefore, this embodiment of the invention employs a gas sensor comprising a first sensor and a second sensor. The distance between the first sensor and the air purification device 1000 is less than the distance between the second sensor and the air purification device 1000. In other words, the first sensor is closer to the air purification device 1000 than the second sensor. The first sensor can be referred to as the near-field sensor, and the second sensor as the far-field sensor. This allows for the detection of odor gas concentrations at different locations inside the refrigerator using both sensors.

[0086] The installation positions of the first sensor and the second sensor are explained with specific examples. The first sensor can be installed close to the air purifier 1000, and the second sensor can be installed away from the air purifier 1000. For example, the first sensor can be directly fixed to the housing 100 of the air purifier 1000, or the first sensor and the air purifier 1000 can be integrated into one structure. The second sensor can be installed on the side wall, air duct, or other locations inside the refrigerator.

[0087] Considering the refrigerator's interior has drawers, shelves, and other partitioning structures, these partitions can be used to differentiate the installation positions of the first and second sensors. For example, the first sensor and the air purifier 1000 can be installed on the same shelf, while the second sensor is installed on a different shelf, separating them into different areas. Alternatively, the first sensor and the air purifier 1000 can be installed inside a drawer, with the second sensor installed on the outside of the drawer. It should be noted that the specific installation positions of the first and second sensors can be set according to actual usage requirements and are not limited here. Of course, the number of sensors is not limited to two; multiple sensors can be used, distributed at different locations from the air purifier 1000, thereby more accurately obtaining the concentration of odor gases in the air inside the refrigerator.

[0088] It is understood that in step S100, the step of controlling the operating state of the air purifier 1000 based on the detection value of the gas sensor can specifically involve comparing the detection values ​​of the first sensor and the second sensor with a preset value, and controlling the operating state of the air purifier 1000 based on the comparison result. Specifically, the detection value of the first sensor is N1, the detection value of the second sensor is N2, the preset value is N0, and the fan 400 inside the air purifier 1000 is the first fan.

[0089] Reference Figure 6 As shown, in some embodiments, the purification control method includes, but is not limited to, the following steps:

[0090] Step S110: When either N1 or N2 is greater than or equal to N0, control the first fan and ionization module to start.

[0091] Step S120: When both N1 and N2 are less than N0, control to shut down the first fan and the ionization module;

[0092] It can be understood that if the detection value of the first sensor is greater than or equal to the preset value, it indicates that the concentration of odor gas near the air purifier 1000 is too high; if the detection value of the second sensor is greater than or equal to the preset value, it indicates that the concentration of odor gas at a distance from the air purifier 1000 is too high. Therefore, when the detection value of either the first sensor or the second sensor is greater than or equal to the preset value, the condition for odor removal is met. At this time, the first fan and the ionization module 200 are turned on, so that the air inside the refrigerator enters the air purifier 1000 for purification.

[0093] When the detection values ​​of both the first and second sensors are lower than preset values, it indicates that the air quality near and far from the air purifier 1000 meets the requirements, and there is no need to activate the odor removal process. At this time, the first fan and ionization module 200 are shut down, causing the air purifier 1000 to stop operating, which helps reduce energy consumption. By using sensors located at different positions to control the activation of the air purifier 1000, automated control is achieved, enabling timely removal of odors from the refrigerator and making odor removal more efficient.

[0094] Considering that when the concentration of odorous gas is high at a distance from the air purifier 1000, there may be a strong local odor, especially in the space where the air purifier 1000 is stored in a partitioned area. It is difficult for the air purifier 1000 to quickly remove the odor from a distance. Therefore, in this embodiment, the fan in the air duct inside the refrigerator is used in conjunction with the air purifier 1000 to remove the odor. The fan in the air duct is a second fan used to deliver cold air into the refrigerator.

[0095] Specifically, refer to Figure 7 As shown, in some embodiments, the purification control method includes, but is not limited to, the following steps:

[0096] Step S200: Control the operating status of the air purification device and the second fan according to the detection values ​​of the first sensor and the second sensor;

[0097] Step S210: When N1≥N0, N2≥N0 and N1 / N2<50%, control the start of the first fan, the second fan and the ionization module;

[0098] Step S220: When N1≥N0, N2≥N0 and N1 / N2≥50%, control the first fan and ionization module to start, and maintain the current state of the second fan;

[0099] Step S230: When N1 < N0 and N2 ≥ N0, control the start of the first fan, the second fan, and the ionization module;

[0100] In step S240, when N1≥N0 and N2<N0, control the first fan and ionization module to start, and maintain the current state of the second fan.

[0101] Understandably, as long as the detection value of either the first or second sensor is greater than or equal to a preset value, the air purifier 1000 will be activated and run continuously. When N1 / N2 ≥ 50%, it indicates that the concentration of odor gas nearby is greater than or equal to the concentration of odor gas further away. In this case, activating the air purifier 1000 will meet the purification requirements, and the second fan will remain in its current state. The current state of the second fan can be either running or stopped, depending on the refrigerator's operating parameters. For example, if the second fan is currently stopped, and N1 ≥ N0, N2 ≥ N0, and N1 / N2 < 50%, the second fan will remain stopped.

[0102] When N1 / N2 < 50%, it means that the concentration of odor gas at a distance is greater than that at a nearby location. At this time, the second fan is turned on, which drives the air circulation inside the refrigerator, creating forced convection, accelerating the flow of odor gas, reducing the accumulation of odor gas in local areas, and allowing the odor gas inside the refrigerator to be evenly distributed. In this way, the air purification device 1000 can achieve the purpose of rapid odor removal, with a better odor removal effect.

[0103] In step S230 above, when N1 < N0 and N2 ≥ N0, it indicates that odor removal is needed at a distant location. In this case, the air purifier 1000 is turned on and the second fan is used to perform odor removal, ensuring that the odor gas is evenly distributed, thereby improving the odor removal efficiency. When N1 ≥ N0 and N2 < N0, it indicates that odor removal is needed at a nearby location. In this case, turning on the air purifier 1000 will meet the purification requirements.

[0104] See Figure 8 As shown, specific examples illustrate the purification control method. Figure 8 The diagram shows the control logic flowchart of the purification control method. In this embodiment, the detection values ​​of the near-field sensor and the far-field sensor are used to control the fan inside the refrigerator to assist the purification process, which can effectively improve the deodorization efficiency. By increasing the linkage between the fan inside the refrigerator and the air purification device 1000, intelligent control can be achieved.

[0105] Embodiments of the present invention also provide a control device, which includes: a memory, a processor, and a computer program stored in the memory and executable on the processor. The processor and the memory can be connected via a bus or other means.

[0106] Memory, as a non-transitory computer-readable storage medium, can be used to store non-transitory software programs and non-transitory computer-executable programs. Furthermore, memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid-state storage device. In some embodiments, memory may optionally include memory remotely located relative to the processor, and these remote memories can be connected to the processor via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

[0107] The non-transient software program and instructions required to implement the purification control method of the above embodiments are stored in memory. When executed by a processor, the purification control method in the above embodiments is executed, for example, the method described above is executed. Figure 5 Method steps S100, Figure 6 Method steps S110 to S120 Figure 7 Method steps S200 to S240.

[0108] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0109] Furthermore, embodiments of the present invention also provide a refrigeration device, including the control device as described in the above embodiments. Since the refrigeration device employs all the technical solutions of the control device described in the above embodiments, it possesses at least all the beneficial effects brought about by the technical solutions of the above embodiments.

[0110] Furthermore, one embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions that are executed by a processor or controller, for example, by a processor in the above-described refrigeration device embodiment, causing the processor to execute the purification control method of the refrigeration device in the above-described embodiment, for example, performing the above-described... Figure 5 Method steps S100, Figure 6 Method steps S110 to S120 Figure 7 Method steps S200 to S240.

[0111] It will be understood by those skilled in the art that all or some of the steps and systems in the methods disclosed above can be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components can be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit. Such software can be distributed on a computer-readable medium, which can include computer storage media (or non-transitory media) and communication media (or transient media). As is known to those skilled in the art, the term computer storage media 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 includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and is accessible to a computer. Furthermore, as is known to those skilled in the art, communication media typically contain computer-readable instructions, data structures, program modules, or other data in modulated data signals such as carrier waves or other transmission mechanisms, and may include any information delivery medium.

[0112] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A purification control method for refrigeration equipment equipped with an air purification device, characterized in that, The air purification device includes a housing and an ionization module. The housing includes a side plate and a top plate. The side plate is arranged around the outer periphery of the top plate. The side plate has a plurality of first air vents distributed circumferentially along the side plate. The top plate has a second air vent. One of the first air vents and the second air vent is an air inlet, and the other is an air outlet. The ionization module is disposed inside the housing and located between the air inlet and the air outlet. The ionization module includes a first electrode and a second electrode spaced apart from the first electrode. Both the first electrode and the second electrode extend circumferentially along the side plate. The refrigeration device includes a gas sensor for detecting the concentration of odor gas. The gas sensor includes a first sensor and a second sensor. The distance between the first sensor and the air purification device is less than the distance between the second sensor and the air purification device. A first fan is disposed inside the housing. The detection value of the first sensor is N1, the detection value of the second sensor is N2, and the preset value is N0. The refrigeration device includes a second fan located inside an air duct. The method includes: The operating status of the air purification device is controlled based on the detection value of the gas sensor; The step of controlling the operating state of the air purification device based on the detection value of the gas sensor includes: When either N1 or N2 is greater than or equal to N0, the first fan and the ionization module are activated. When N1≥N0, N2≥N0 and N1 / N2<50%, the second fan is turned on.

2. The purification control method according to claim 1, characterized in that, The refrigeration equipment includes a second fan located within the air duct, and the method further includes: When N1 < N0 and N2 ≥ N0, control to start the second fan.

3. The purification control method according to claim 2, characterized in that, The method further includes: When N1≥N0 and N2<N0, control the second fan to maintain its current state.

4. An air purification device, characterized in that, The purification control method according to any one of claims 1 to 3 includes: The housing includes a side plate and a top plate. The side plate is arranged around the outer periphery of the top plate. The side plate is provided with a plurality of first air vents distributed circumferentially along the side plate. The top plate is provided with a second air vent. One of the first air vents and the second air vent is an air inlet and the other is an air outlet. An ionization module is disposed within the housing and located between the air inlet and the air outlet. The ionization module includes a first electrode and a second electrode spaced apart from the first electrode. Both the first electrode and the second electrode extend circumferentially along the side plate.

5. The air purification device according to claim 4, characterized in that, The housing also includes a catalyst module, which is located between the air inlet and the air outlet and extends circumferentially along the side plate. The first electrode is spaced apart from the catalyst module, and the second electrode is located on the surface of the catalyst module.

6. The air purification device according to claim 5, characterized in that, The catalyst module includes a carrier with a plurality of first through holes, and a second electrode covering the surface of the carrier with a plurality of second through holes corresponding to the first through holes, or the second electrode is a metal mesh structure.

7. The air purification device according to claim 6, characterized in that, The first electrode is provided with a plurality of third through holes, which are offset from the second through holes in the direction from the air inlet to the air outlet.

8. The air purification device according to claim 5, characterized in that, The catalyst module is located between the first electrode and the second electrode, and the distance between the first electrode and the catalyst module is d1, which satisfies: 2mm≤d1≤10mm.

9. The air purification device according to any one of claims 5 to 8, characterized in that, The side plate, the first electrode, the second electrode, and the catalyst module are all annular.

10. The air purification device according to claim 6, characterized in that, The surface of the carrier is covered with a catalytic material, and the carrier or the catalytic material is a conductive material to form the second electrode.

11. The air purification device according to any one of claims 5 to 8, characterized in that, The housing is also equipped with a fan, which is used to draw air into the housing from the air inlet and send it out from the air outlet after passing through the ionization module and the catalyst module.

12. The air purification device according to claim 11, characterized in that, The distance between the fan and the catalyst module is d2, and the distance between the first electrode and the second electrode is d3, satisfying that d2 > d3.

13. A control device, characterized in that, It includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the purification control method as described in any one of claims 1 to 3.

14. A refrigeration device, characterized in that, Includes the air purification device as described in any one of claims 4 to 12 or the control device as described in claim 13.

15. A computer-readable storage medium storing computer-executable instructions, characterized in that, The computer-executable instructions are used to execute the purification control method as described in any one of claims 1 to 3.

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