Refrigeration equipment and control method thereof, control device and computer readable storage medium

Abstract

The present invention discloses a refrigeration device and a control method, a control device and a computer-readable storage medium, which relate to the field of fresh-keeping technology, wherein the refrigeration device comprises a fresh-keeping container, a refrigeration device and an electric field generating device, the fresh-keeping container is provided with a fresh-keeping space, the refrigeration device is located in the fresh-keeping space, the electric field generating device comprises a high-voltage power supply module and an electrode assembly, the high-voltage power supply module is used to drive the electric field formed by the electrode assembly in the fresh-keeping space, the electrode assembly comprises a needle electrode and a plate electrode, the plate electrode and the needle electrode are conductively connected, the needle electrode is arranged on the plate electrode, and the refrigeration device is used to condense water vapor and make the water vapor gather around the needle electrode. The refrigeration device can form a local high-humidity environment when it is turned on. By controlling the opening or closing of the refrigeration device, the collection and local release of water vapor are controlled, and a relatively high-humidity environment in a certain area is formed, which is conducive to the discharge of the electric field in this environment to form more water negative ions, thereby improving the sterilization and fresh-keeping functions.

Description

Technical Field

[0001] The present invention relates to the field of fresh-keeping technology, and in particular to refrigeration equipment and a control method, a control device and a computer-readable storage medium thereof. Background Art

[0002] The electric field can regulate the preservation of meat by adjusting the formation of hydrogen bonds of water molecules, the structure and activity of enzymes, and the physiological and biochemical activities of microbial reproduction. In related technologies, the needle-shaped electrode forms a strong discharge effect at the tip of the needle, ionizing the gas in the air, etc., forming charged positive and negative ions, which act on the surface of the food to sterilize. How to further improve the sterilization and preservation effects is a difficult problem to solve at present. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a refrigeration device that can further improve the sterilization and preservation effects.

[0004] The present invention also provides a control method, a control device and a computer-readable storage medium applied to the above refrigeration equipment.

[0005] According to the first aspect of the present invention, a refrigeration device comprises a fresh-keeping container, a refrigeration device and an electric field generating device, wherein the fresh-keeping container is provided with a fresh-keeping space, the refrigeration device is located in the fresh-keeping space, the electric field generating device comprises a high-voltage power supply module and an electrode assembly, the high-voltage power supply module is used to drive the electric field formed by the electrode assembly in the fresh-keeping space, the electrode assembly comprises a needle-shaped electrode and a plate-shaped electrode, the plate-shaped electrode and the needle-shaped electrode are conductively connected, the needle-shaped electrode is arranged on the plate-shaped electrode, and the refrigeration device is used to condense water vapor and make the water vapor gather around the needle-shaped electrode.

[0006] The refrigeration equipment according to the embodiment of the present invention has at least the following beneficial effects: the refrigeration device can condense and collect water when it is turned on, forming a local high humidity environment. Therefore, by controlling the opening or closing of the refrigeration device, the collection and local release of water vapor can be controlled to form a relatively high humidity environment in a certain area, which is conducive to the discharge of the electric field in this environment to form more water negative ions, further improving the sterilization and preservation functions. In addition, the use of the electric field is conducive to the diffusion of ionized active ions, improving uniformity, and no additional fan is required.

[0007] According to some embodiments of the present invention, the plate-shaped electrode includes an upper electrode plate and a lower electrode plate, the upper electrode plate is located at the top of the fresh-keeping container, the lower electrode plate is located at the bottom of the fresh-keeping container, the needle-shaped electrode is arranged on the upper electrode plate, and the upper electrode plate and the needle-shaped electrode are conductively connected.

[0008] According to some embodiments of the present invention, the refrigeration device includes a refrigeration component, which is disposed on the upper electrode plate and surrounds the needle-shaped electrode.

[0009] According to some embodiments of the present invention, the refrigeration element is a semiconductor refrigeration plate, the cold end of the semiconductor refrigeration plate is arranged on the upper plate, and the refrigeration device includes a DC power supply, and the DC power supply is used to control the on and off of the semiconductor refrigeration plate.

[0010] According to some embodiments of the present invention, an insulating layer is provided on a side of the upper electrode plate close to the cooling element.

[0011] According to some embodiments of the present invention, a flame retardant layer is provided on a side of the upper electrode plate close to the refrigeration element.

[0012] According to some embodiments of the present invention, the refrigeration device has a first working mode and a second working mode. In the first working mode, the refrigeration device is turned on and the electric field generating device is turned off; in the second working mode, the refrigeration device is turned off and the electric field generating device is turned on.

[0013] According to a control method for a refrigeration device of an embodiment of a second aspect of the present invention, the refrigeration device comprises a fresh-keeping container, a refrigeration device and an electric field generating device, the fresh-keeping container is provided with a fresh-keeping space, the refrigeration device is located in the fresh-keeping space, the electric field generating device comprises a high-voltage power supply module and an electrode assembly, the high-voltage power supply module is used to drive the electrode assembly to form an electric field in the fresh-keeping space, the electrode assembly comprises a needle electrode and a plate electrode, the plate electrode and the needle electrode are conductively connected, the needle electrode is arranged on the plate electrode, and the refrigeration device is used to condense water vapor and make the water vapor gather around the needle electrode; the control method comprises:

[0014] Under a first condition, the refrigeration device is turned on and the electric field generating device is turned off, wherein the first condition includes that the humidity of the fresh-keeping space is greater than a first preset humidity value;

[0015] Under a second condition, the refrigeration device is turned off and the electric field generating device is turned on, wherein the second condition includes that the humidity near the needle-shaped electrode is greater than a second preset humidity value, and the second preset humidity value is greater than the first preset humidity value.

[0016] The control method of the refrigeration equipment according to the embodiment of the present invention has at least the following beneficial effects: under the working condition that meets the humidity requirement, the refrigeration device is turned on to gather moisture and condense it to form a relatively high humidity environment in a certain area, and then the electric field generating device is turned on, and the formed electric field discharges in this environment to form more water negative ions, thereby further enhancing the sterilization and preservation functions.

[0017] According to some embodiments of the present invention, the first condition is that the refrigeration device is in the defrosting process, and the second condition is that the refrigeration device has finished defrosting.

[0018] According to the third aspect of the present invention, a control device for a refrigeration device comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, a control method for a refrigeration device according to the second aspect of the present invention is implemented.

[0019] A refrigeration device according to an embodiment of a fourth aspect of the present invention comprises a control device for the refrigeration device according to an embodiment of the third aspect of the present invention.

[0020] According to the computer-readable storage medium of the fifth aspect embodiment of the present invention, it is 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 of the refrigeration equipment of the second aspect embodiment of the present invention.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0023] Figure 1 An exploded diagram of a refrigeration device according to an embodiment of the present invention;

[0024] Figure 2 A front view of a refrigeration device and an electric field generating device according to an embodiment of the present invention;

[0025] Figure 3 for Figure 2 The bottom view of the refrigeration device and the electric field generating device is shown after the lower electrode plate is omitted;

[0026] Figure 4 A control process of a refrigeration device according to an embodiment of the present invention;

[0027] Figure 5 This is another control process of the refrigeration equipment according to an embodiment of the present invention.

[0028] Reference numerals:

[0029] 101. Fresh-keeping space; 102. High-voltage power module; 103. Refrigeration device; 104. Drawer; 105. Cover plate; 106. Upper plate; 107. Lower plate;

[0030] 201. needle-shaped electrode; 202. refrigeration component; 203. DC power supply. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which 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 invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 invention.

[0033] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, 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 the present invention based on the specific content of the technical solution.

[0035] Meat preservation has always been an important topic in food science and food industry. Traditional preservation methods mainly include refrigeration, vacuum packaging, chemical preservatives, etc., but these methods have certain limitations, such as limited preservation time, possible impact on meat quality or chemical residues. In recent years, electric field preservation technology has gradually attracted attention. Electric fields can delay the spoilage process of meat by affecting the hydrogen bond structure of water molecules, enzyme activity and microbial reproduction.

[0036] The electric field can be divided into plate-plate type and needle-plate type. Different types of electrode plates have different effects. For plate-plate electrodes, the main effect is field effect: the voltage difference is formed between the inside and outside of the meat cells through the external electric field energy, which affects the reaction on the cell membrane, regulates the movement of water molecules, and slows down the freezing and corruption of food. For needle-plate electrodes, ions are mainly used, forming a strong discharge effect at the needle tip, ionizing the gas in the air, etc., forming charged positive and negative ions, which act on the surface of the food to sterilize.

[0037] The present invention aims to provide a refrigeration device and a control method thereof, which cooperates with a refrigeration device and an electric field generating device, utilizes the refrigeration device to condense and collect moisture in the environment, and forms a relatively high humidity environment in a certain area, which is conducive to the electric field discharging in this environment to form more water negative ions, and further enhances the sterilization and preservation functions. Figures 1 to 3 Provide detailed explanation.

[0038] Reference Figure 1 As shown, it can be understood that Figure 1 is an exploded diagram of a refrigeration device in one embodiment of the present invention, referring to Figure 1 The refrigeration equipment includes a fresh-keeping container, a refrigeration device 103 and an electric field generating device. The fresh-keeping container has a certain volume, and the fresh-keeping container is provided with a fresh-keeping space 101 for placing food, such as meat food. The electric field generating device is used to generate an electric field inside the fresh-keeping container. It can be understood that the electric field generating device generates an electric field so that the electric field energy forms a voltage difference between the inside and outside of the meat cell, affects the reaction on the cell membrane, regulates the movement of water molecules, and slows down the freezing and corruption of food. The electric field generating device includes a high-voltage power supply module 102 and an electrode assembly. The high-voltage power supply module 102 is used to generate an alternating electric field signal. For example, the output voltage of the high-voltage power supply module 102 is 1kV to 2kV, that is, the output voltage of the high-voltage power supply module 102 is high voltage. The high-voltage power supply module 102 drives the electrode assembly to form a periodically oscillating alternating electric field in the fresh-keeping space 101, and uses the periodic change of the electric field to break the hydrogen bonds of the ice, generate fine crystals, and inhibit the reproduction of bacteria. The electric field generated by the electric field generating device in this embodiment is a high-voltage electric field, which can destroy the hydrogen bonds of the ice layer inside the meat ingredients, thereby preventing the meat ingredients from forming large ice crystals during the cooling process and protecting the meat ingredients cells. The electric field generating device in this embodiment can also inhibit the growth of microorganisms, inactivate enzyme activity, reduce fat oxidation, and retain the nutritional components of the meat ingredients by sterilizing and inactivating enzymes.

[0039] It is understandable that the frequency of the high-voltage power module 102 can be set to 20Hz to 20kHz. For example, the frequency of the high-voltage power module 102 can be 20Hz, 50Hz, 100Hz, 500Hz, 1kHz, 10kHz, 15kHz, 18kHz and 20kHz. The polar molecules (called dipoles) in the food material are moving in a disorderly and irregular manner. For example, water is a polar molecule. When no electric field is applied, the polar molecules point to any direction; when the switch is closed, that is, in the electric field, the polar molecules will be rearranged, with the positive end facing the negative pole and the negative end facing the positive pole. If the direction of the electric field is changed, the orientation of the polar molecules will also change accordingly. If the electric field changes direction rapidly and alternately, the polar molecules will also swing rapidly. Due to the thermal motion of the molecules and the interaction between adjacent molecules, the regular swing of the polar molecules with the change of the electric field direction will be disturbed and hindered, that is, a friction-like effect is generated, so that the molecules gain energy and express it in the form of heat, destroying the hydrogen bonds of ice.

[0040] High-voltage electric field is a comprehensive effect field, which has the effects of electromagnetic field radiation and non-uniform electric field, as well as ion beam. As the radius of curvature of the charged conductor increases, the charge density at the tip also increases accordingly. When the charge density reaches a certain level, tip power generation will occur, and corona discharge will occur. Under the action of the electric field, these charges will be blown away from the tip, forming an ion wind.

[0041] When the electric field strength on the conductor surface exceeds the breakdown field strength of air (about 20-30 kV / cm), the air molecules are ionized to form a discharge channel. The electrons and positive ions generated by ionization collide with other molecules under the acceleration of the electric field, triggering a chain reaction and producing visible light, ozone and high-frequency pulse current.

[0042] Reference Figure 2 and Figure 3As shown, it can be understood that the electrode assembly includes a needle-shaped electrode 201. In order to enhance the sterilization effect, the related art adopts the method of enhancing the electric field. However, the needle tip of the needle-shaped electrode 201 is prone to corona discharge under a strong electric field, causing the metal material at the needle tip to be gradually ionized and corroded, shortening the service life of the electrode. In order to enhance the sterilization effect, the related art also applies needle-shaped electrodes in a high humidity environment. In a high humidity environment, the water vapor content in the air increases. The needle tip can more effectively ionize these water vapor molecules under the action of a strong electric field, thereby forming a large number of charged water anions. Water anions can be adsorbed on the surface of microorganisms, destroy the cell membrane structure through osmosis, and cause leakage of intracellular substances. Water anions bind to microbial metabolic enzymes, inhibit their activity (such as oxidases and dehydrogenases), and block energy metabolism. Compared with a dry environment, the number of ions produced under high humidity is greater, and the activity of the ions may be higher. These charged ions can more fully contact the microorganisms and destroy their cell structures, thereby improving the sterilization effect.

[0043] However, in some storage environments, the humidity is low, and it is difficult for the needle tip discharge to ionize enough water molecules, and the amount of active oxygen species and water anions generated is reduced, resulting in an insignificant improvement in the sterilization effect. To this end, the refrigeration equipment of the embodiment of the present invention is also provided with a refrigeration device 103, and the refrigeration device 103 is located in the fresh-keeping space 101. After turning on the refrigeration device 103, the temperature around the needle-shaped electrode 201 is reduced, so that the temperature around the needle-shaped electrode 201 is lower than the average temperature in the fresh-keeping space 101, which prompts the water vapor in the fresh-keeping space 101 to migrate to the surface of the low-temperature electrode and condense, forming water vapor gathered around the needle-shaped electrode 201. These water vapors gather around the needle-shaped electrode 201, forming a local high humidity environment, providing sufficient water vapor for needle tip discharge, and enhancing the sterilization effect.

[0044] It is understandable that the refrigeration device 103 only creates a high humidity environment around the needle-shaped electrode 201, and there is no need to significantly change the humidity of the entire storage space, so as to avoid adverse effects on the preservation of meat, such as excessive moisture causing microbial growth on the surface of meat. The refrigeration device 103 only acts on the area around the needle-shaped electrode 201, which is more energy-efficient than changing the humidity of the storage space as a whole. At the same time, the local high humidity enhances the sterilization effect of the needle tip discharge, improves the sterilization efficiency, and reduces the sterilization time or energy consumption.

[0045] Reference Figure 2 and Figure 3As shown, it can be understood that the electrode assembly also includes a plate electrode, and the plate electrode and the needle electrode 201 are conductively connected. The plate electrode covers a large area and is used to generate a uniform electric field, which delays the corruption of food by regulating the movement of water molecules (such as inhibiting freezing and slowing down oxidation). The tip of the needle electrode 201 has a small curvature radius, and when high voltage is applied, it triggers discharge, ionizes the air to generate charged particles, and achieves sterilization and deodorization. The plate electrode and the needle electrode 201 are directly connected through wires or conductive materials, share a power supply, and can achieve function switching through voltage control. When power is supplied to the discharge electrode through the high-voltage power supply module 102, both the plate electrode and the needle-shaped electrode 201 will be charged; the high-voltage power supply module 102 of the embodiment of the present application can provide at least two operating voltages, namely a first voltage greater than a threshold voltage and a second voltage less than a threshold voltage, and the threshold voltage is the minimum voltage required for the needle-shaped electrode 201 to have tip ionization discharge. Therefore, when the high-voltage power supply module 102 applies the first voltage, the plate electrode provides an electric field while the needle-shaped electrode 201 ionizes the air and provides charged particles. When the high-voltage power supply module 102 applies the second voltage, the plate electrode provides an electric field but the needle-shaped electrode 201 does not reach the voltage required to ionize the air and does not provide charged particles.

[0046] Specifically, when the power supply is controlled to apply a first voltage to the plate electrode and the needle electrode 201, the voltage reaches the threshold voltage for discharge at the tip of the needle electrode 201, and discharge occurs at the tip of the needle electrode 201. During the discharge process, water molecules and other gas molecules in the air are ionized to generate charged particles (such as water negative ions, active oxygen species, etc.). These charged particles have strong oxidizing properties and can destroy the cell structure of microorganisms, such as rupturing cell membranes, denaturing proteins, damaging genetic materials, etc., thereby effectively killing microorganisms and achieving a sterilization function.

[0047] When the power supply is controlled to apply a second voltage to the plate electrode and the needle electrode 201, the second voltage does not reach the threshold voltage for discharge at the tip of the needle electrode 201, and the plate electrode can form a uniform electric field distribution area. In this electric field, the microbial cells in the food will be affected. The electric field will affect the permeability of the microbial cell membrane, disrupting the exchange of substances inside and outside the cell, thereby inhibiting the metabolic activity and growth and reproduction of the microorganisms. At the same time, the electric field can also slow down the rate of chemical reactions inside the food, helping to maintain the freshness and nutritional content of the food, and play a role in preserving freshness.

[0048] Reference Figure 1 and Figure 3 As shown, it can be understood that the plate-shaped electrode includes an upper electrode plate 106 and a lower electrode plate 107, which are respectively located at the top and bottom of the fresh-keeping container. This layout allows the electric field to be evenly distributed in the entire fresh-keeping space 101, thereby more effectively preserving the food.

[0049] The upper electrode plate 106 is located at the top of the fresh-keeping container, and the lower electrode plate 107 is located at the bottom. This upper and lower position layout helps to form a relatively uniform electric field distribution in the fresh-keeping container. When voltage is applied, the electric field lines will point vertically from the upper electrode plate 106 to the lower electrode plate 107, forming a relatively uniform electric field environment inside the entire container. Such a uniform electric field can ensure that the food is subjected to a relatively stable electric field no matter where it is in the container, thereby more effectively inhibiting the growth of microorganisms and chemical reactions inside the food, and improving the overall uniformity of the fresh-keeping effect.

[0050] Reference Figure 1 As shown, it can be understood that the fresh-keeping container includes a drawer 104 and a cover 105, the cover 105 is located above the drawer 104, and a fresh-keeping space 101 is formed between the drawer 104 and the cover 105. The drawer 104 can slide relative to the cover 105, so as to facilitate the placement or removal of food materials. Figure 2 As shown, the electric field generating device is arranged on the cover plate 105, that is, the upper electrode plate 106 is located on the top of the fresh-keeping container. A lower electrode plate 107 with opposite polarity to the upper electrode plate 106 is arranged at the bottom of the drawer 104, so that a uniformly distributed electric field is formed in the drawer 104.

[0051] Reference Figure 3 As shown, it can be understood that the needle-shaped electrode 201 is arranged on the upper electrode plate 106 and is conductively connected to the upper electrode plate 106. This design enables the needle-shaped electrode 201 and the upper electrode plate 106 to work together, which can not only generate discharge at the needle tip, but also form a plate-shaped electric field with the lower electrode plate 107. The needle-shaped electrode 201 is directly integrated on the surface of the upper electrode plate 106, and the electric potential synchronization is achieved by sharing a conductive substrate. This design can eliminate the contact resistance of the traditional split electrode and improve the electric field strength at the needle tip. The refrigeration component 202 is arranged around the needle-shaped electrode 201. When the refrigeration device 103 is working, it will reduce the temperature of the upper electrode plate 106 and the surrounding area.

[0052] It is understandable that since the ionized active ions are easily quenched, it is not easy for them to diffuse to places far away from the needle tip without external power. The refrigeration equipment provided in the embodiment of the present invention sets the needle-shaped electrode 201 on the upper electrode plate 106 and is conductively connected to the upper electrode plate 106. This design enables the needle-shaped electrode 201 and the upper electrode plate 106 to work together, and when a discharge occurs at the needle tip, a plate-shaped electric field is formed at the same time. Due to the existence of the electric field, the movement speed and acceleration of the ionized ions are faster, so that they can reach farther areas, ensuring the uniformity of sterilization in every corner of the drawer 104, and no additional fan is required.

[0053] In some embodiments, the surface of the upper electrode plate 106 is coated with a hydrophobic layer, while the root of the needle-shaped electrode 201 is coated with a hydrophilic coating, and a guide surface is provided on the upper electrode plate 106 to guide the condensed water to flow toward the needle tip area, which is conducive to forming a relatively high humidity environment.

[0054] It is understandable that, in some embodiments, the refrigeration element 202 is a semiconductor refrigeration sheet, which is a refrigeration device based on the thermoelectric effect. When the DC power supply 203 passes through the semiconductor refrigeration sheet, its cold end absorbs heat and the hot end releases heat. In this design, the cold end of the semiconductor refrigeration sheet is arranged on the upper plate 106, close to the needle electrode 201. And the refrigeration device 103 includes a DC power supply 203 for controlling the on and off of the semiconductor refrigeration sheet. The DC power supply 203 can easily control the on and off of the semiconductor refrigeration sheet, thereby realizing accurate control of the temperature of the upper plate 106. According to the preservation requirements of different food ingredients, the appropriate temperature can be set by adjusting the output current size and power-on time of the DC power supply 203.

[0055] When the semiconductor refrigeration chip is powered on, the cold end reduces the temperature of the upper electrode plate 106, thereby reducing the air temperature around the needle-shaped electrode 201. As the temperature decreases, the water vapor in the air reaches saturation and condenses into tiny water droplets, which gather around the needle-shaped electrode 201, increasing the humidity in the area.

[0056] It is understood that, in some embodiments, an insulating layer is provided on one side of the upper plate 106 close to the refrigeration element 202. The insulating layer is provided on the side of the upper plate 106 close to the refrigeration element 202 to ensure good electrical insulation between the upper plate 106 and the refrigeration element 202, and prevent the current from interfering with each other or short-circuiting between different systems. For example, if there is no insulating layer, the current may form an unnecessary loop between the upper plate 106 and the refrigeration element 202, resulting in abnormal electric field distribution, affecting the preservation effect, and may even damage electrical components. Since the semiconductor refrigeration sheet generates a temperature difference between the cold and hot ends during operation, the temperature of the upper plate 106 is relatively low. When the water vapor in the air encounters the low-temperature upper plate 106, it is easy to condense into water droplets on its surface. The presence of the insulating layer can play an isolating role, preventing these condensed water from contacting the electrical part of the refrigeration element 202, and avoiding electrical short circuits or corrosion problems caused by moisture. At the same time, for some potentially corrosive substances (such as gases or liquids released by certain foods that corrode metals under certain circumstances), the insulating layer can also protect the refrigeration element 202 and the upper electrode plate 106 from corrosion, thereby extending the service life of the equipment.

[0057] It is understood that in some embodiments, a flame retardant layer is provided on one side of the upper electrode plate 106 close to the refrigeration element 202. The flame retardant layer can prevent the electrode assembly from causing a fire due to overheating or electric sparks in extreme cases, thereby improving the safety of the entire device. By isolating heat, the flame retardant layer helps maintain the stable operation of the electrode assembly and avoids performance fluctuations caused by temperature changes. The provision of the flame retardant layer allows the refrigeration element 202 to be more tightly mounted on the upper electrode plate 106 without having to worry about the impact of heat on the electrode assembly, which helps to maintain a compact layout of the entire device.

[0058] It can be understood that the refrigeration device has a first working mode and a second working mode. In the first working mode, the refrigeration device 103 is turned on and the electric field generating device is turned off. After the refrigeration device 103 is turned on, the temperature around the needle-shaped electrode 201 is reduced, so that the temperature around the needle-shaped electrode 201 is lower than the average temperature in the fresh-keeping space 101, which promotes the water vapor in the fresh-keeping space 101 to migrate to the surface of the low-temperature electrode and condense to form water vapor gathered around the needle-shaped electrode 201. At this time, the electric field generating device is turned off, and no electric field or charged particles are generated, which saves energy consumption and avoids adverse effects on the refrigeration device 103.

[0059] In the second working mode, the refrigeration device 103 is turned off and the electric field generating device is turned on. In the first working mode, water vapor gathers around the needle-shaped electrode 201 to form a local high humidity environment. After providing enough water vapor for the needle tip discharge, the refrigeration device 103 is turned off and then switched to the second working mode. In the second working mode, the charged particles generated by the discharge of the needle-shaped electrode 201 can destroy the cell structure of microorganisms, inhibit their growth and reproduction, and decompose odor molecules to keep the storage environment clean.

[0060] By properly switching between the two working modes, energy waste caused by the simultaneous long-term operation of the refrigeration device 103 and the electric field generating device is avoided.

[0061] The embodiment of the present invention provides a control method for refrigeration equipment, which is applied to the controller provided in the refrigeration equipment in the above embodiment, wherein the controller can control the start and stop of the refrigeration device and the electric field generating device, which will not be described in detail here. Figure 4 As shown, the control method of the embodiment of the present invention includes but is not limited to step S401 and step S402.

[0062] Step S401, under a first condition, turning on the refrigeration device and turning off the electric field generating device, wherein the first condition includes that the humidity of the fresh-keeping space is greater than a first preset humidity value.

[0063] The refrigeration device can be equipped with a humidity sensor to monitor the humidity in the fresh-keeping space. When the humidity exceeds a preset first humidity value, the first condition is triggered, the refrigeration device is automatically turned on, and the electric field generating device is turned off. It is also possible to roughly judge whether the humidity range exceeds the first preset humidity value based on the working mode of the refrigeration device. For example, when the refrigeration device is in defrosting mode, the return air brings water vapor to the fresh-keeping container, causing the humidity of the fresh-keeping container to rise, and it can be judged that the humidity of the fresh-keeping space is greater than the first preset humidity value.

[0064] By turning on the refrigeration device, the temperature around the needle-shaped electrode is lower than the average temperature in the fresh-keeping space, which causes the water vapor in the fresh-keeping space to migrate to the surface of the low-temperature electrode and condense, forming water vapor gathered around the needle-shaped electrode. At this time, the electric field generating device is turned off, and no electric field or charged particles are generated, which saves energy and avoids adverse effects on the refrigeration device.

[0065] Step S402, under a second condition, turning off the refrigeration device and turning on the electric field generating device, wherein the second condition includes that the humidity near the needle-shaped electrode is greater than a second preset humidity value, and the second preset humidity value is greater than the first preset humidity value.

[0066] The refrigeration equipment can be equipped with a humidity sensor to monitor the humidity in the fresh-keeping space. When the humidity exceeds a preset second preset humidity value, the second condition is triggered, the refrigeration device is automatically turned off, and the electric field generating device is turned on. It is also possible to roughly judge whether the humidity range exceeds the second preset humidity value based on the working mode of the refrigeration equipment. For example, when the refrigeration equipment is in defrost mode and the refrigeration equipment is turned on, water vapor gathers around the needle electrode to form a local high humidity environment. When the defrost mode of the refrigeration equipment ends, it is able to provide enough water vapor for needle tip discharge, so it can be judged that the humidity near the needle electrode is greater than the second preset humidity value, and the second preset humidity value is greater than the first preset humidity value.

[0067] When the electric field generating device is turned on, the charged particles produced by the discharge of the needle-shaped electrode can destroy the cell structure of microorganisms, inhibit their growth and reproduction, and at the same time decompose odor molecules to keep the storage environment clean.

[0068] The embodiment of the present invention provides another control method for refrigeration equipment, which is applied to the controller provided in the refrigeration equipment in the above embodiment, wherein the function of the controller has been described in detail in the above embodiment and will not be repeated here. Figure 5 As shown, the control method of the embodiment of the present invention includes but is not limited to step S501 and step S502.

[0069] Step S501, the refrigeration equipment is in the defrosting process, the refrigeration device is turned on, and the electric field generating device is turned off.

[0070] During the refrigeration process, the surface of the evaporator will frost due to the low temperature. The frost layer will reduce the heat exchange efficiency of the evaporator and affect the refrigeration effect. Regular defrosting can remove the frost layer and restore the refrigeration efficiency of the evaporator. In refrigerators, the common defrosting methods are natural defrosting and electric defrosting. Natural defrosting is when the compressor stops running, the frost layer gradually melts; electric defrosting is to use heating elements to quickly melt the frost layer. No matter which method is used, a large amount of water will be generated. Part of this water will be discharged from the refrigerator body through the drainage pipe, and part of the water will evaporate into water vapor and return to the fresh-keeping container through the return air port, increasing the air humidity in the fresh-keeping container.

[0071] When the refrigeration equipment is in the defrosting process, the humidity in the fresh-keeping container increases. Turning on the refrigeration device is conducive to condensation and formation of concentrated water vapor around the needle electrode, preparing for the needle electrode to discharge and improve the sterilization effect.

[0072] Step S502, the refrigeration equipment ends defrosting, turns off the refrigeration device, and turns on the electric field generating device.

[0073] When the defrost mode of the refrigeration equipment ends, it can provide enough water vapor for needle tip discharge. At this time, turn off the refrigeration device and turn on the electric field generating device. The charged particles generated by the needle-shaped electrode discharge can destroy the cell structure of microorganisms, inhibit their growth and reproduction, and decompose odor molecules to keep the storage environment clean.

[0074] An embodiment of the present invention further provides a control device for a refrigeration device. The control device is built in the refrigeration device and includes one or more control processors and a memory. For example, one control processor and one memory are used.

[0075] The control processor and the memory may be connected via a bus or other means, with connection via a bus being taken as an example.

[0076] The memory, as a non-transient computer-readable storage medium, can be used to store non-transient software programs and non-transient computer executable programs. In addition, the memory may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some embodiments, the memory may optionally include a memory remotely arranged relative to the control processor, and these remote memories may be connected to the controller via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0077] The non-transient software program and instructions required to implement the control method applied to the control device in the above embodiment are stored in the memory. When executed by the control processor, the control method applied to the control device in the above embodiment is executed, for example, the control method described above is executed. Figure 4Steps S401 to S402 of the method, Figure 5 Method steps S501 to S502 in .

[0078] A refrigeration device provided in one embodiment of the present invention includes the control device of the above embodiment.

[0079] Since the refrigeration equipment in this embodiment has the control device in any of the above embodiments, the refrigeration equipment in this embodiment has the hardware structure of the control device in the above embodiments, and can enable the control processor in the control device to call the control program of the refrigeration equipment stored in the memory to realize the control of the control device. The specific implementation method of the refrigeration equipment in this embodiment can refer to the above embodiments, and will not be repeated here to avoid redundancy.

[0080] The device embodiments described above are merely illustrative, and the units described as separate components may or may not be physically separated, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0081] In addition, an embodiment of the present invention further provides a computer-readable storage medium, which stores computer-executable instructions. The computer-executable instructions are executed by one or more control processors, for example, by a control processor, so that the one or more control processors can execute the control method in the above method embodiment, for example, execute the above described Figure 4 Steps S401 to S402 of the method, Figure 5 Method steps S501 to S502 in .

[0082] It will be appreciated by those skilled in the art that all or some of the steps and systems in the methods disclosed above may be implemented as software, firmware, hardware, and appropriate combinations thereof. Some 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 as hardware, or 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 non-transitory medium) and a communication medium (or transient 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 technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and can be accessed by a computer. Furthermore, it is well known to those skilled in the art that communication media typically embodies 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.

[0083] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Refrigeration equipment, characterized in that include: Fresh-keeping container with fresh-keeping space; A refrigeration device, located in the fresh-keeping space; An electric field generating device, comprising a high-voltage power module and an electrode assembly, wherein the high-voltage power module is used to drive the electrode assembly to form an electric field in the fresh-keeping space, wherein the electrode assembly comprises a needle-shaped electrode and a plate-shaped electrode, wherein the plate-shaped electrode and the needle-shaped electrode are conductively connected, and the needle-shaped electrode is arranged on the plate-shaped electrode; The refrigeration device is used to condense water vapor and make the water vapor gather around the needle-shaped electrode.

2. The refrigeration equipment according to claim 1, characterized in that: The plate-shaped electrode comprises an upper electrode plate and a lower electrode plate, wherein the upper electrode plate is located at the top of the fresh-keeping container, and the lower electrode plate is located at the bottom of the fresh-keeping container. The needle-shaped electrode is arranged on the upper electrode plate, and the upper electrode plate and the needle-shaped electrode are conductively connected.

3. The refrigeration equipment according to claim 2, characterized in that: The refrigeration device comprises a refrigeration component, which is arranged on the upper electrode plate and surrounds the needle-shaped electrode.

4. The refrigeration equipment according to claim 3, characterized in that: The refrigeration element is a semiconductor refrigeration plate, the cold end of the semiconductor refrigeration plate is arranged on the upper plate, and the refrigeration device includes a DC power supply, and the DC power supply is used to control the on and off of the semiconductor refrigeration plate.

5. The refrigeration equipment according to claim 3, characterized in that: An insulating layer is provided on one side of the upper electrode plate close to the refrigeration component.

6. The refrigeration equipment according to claim 3, characterized in that: A flame retardant layer is provided on one side of the upper electrode plate close to the refrigeration component.

7. The refrigeration device according to claim 1, characterized in that: The refrigeration device has a first working mode and a second working mode. In the first working mode, the refrigeration device is turned on and the electric field generating device is turned off; in the second working mode, the refrigeration device is turned off and the electric field generating device is turned on.

8. A method for controlling a refrigeration device, characterized in that: The refrigeration equipment comprises a fresh-keeping container, a refrigeration device and an electric field generating device, the fresh-keeping container is provided with a fresh-keeping space, the refrigeration device is located in the fresh-keeping space, the electric field generating device comprises a high-voltage power module and an electrode assembly, the high-voltage power module is used to drive the electrode assembly to form an electric field in the fresh-keeping space, the electrode assembly comprises a needle electrode and a plate electrode, the plate electrode and the needle electrode are conductively connected, the needle electrode is arranged on the plate electrode, and the refrigeration device is used to condense water vapor and make the water vapor gather around the needle electrode; the control method comprises: Under a first condition, the refrigeration device is turned on and the electric field generating device is turned off, wherein the first condition includes that the humidity of the fresh-keeping space is greater than a first preset humidity value; Under a second condition, the refrigeration device is turned off and the electric field generating device is turned on, wherein the second condition includes that the humidity near the needle-shaped electrode is greater than a second preset humidity value, and the second preset humidity value is greater than the first preset humidity value.

9. The control method for refrigeration equipment according to claim 8, characterized in that: The first condition is that the refrigeration device is in the defrosting process, and the second condition is that the refrigeration device has finished defrosting.

10. Control devices for refrigeration equipment, including: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the control method as claimed in claim 8 or 9 when executing the computer program.

11. Refrigeration equipment, characterized in that Comprising the control device as claimed in claim 10.

12. 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 claim 8 or 9.

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