Refrigerating and freezing device and its control method

Abstract

The present invention relates to household refrigeration equipment, and in particular to a refrigerator and freezer and a control method thereof. A ripening space is formed inside the refrigerator and freezer, and a sterilization and deodorization module is also provided inside the refrigerator and freezer. The control method includes: after starting ripening, starting a fan for promoting air circulation in the ripening space; detecting the concentration of odorous gases released by food in the ripening space; setting the operating state of the sterilization and deodorization module according to the concentration of the odorous gases, and starting the sterilization and deodorization module according to the operating state. Based on the method provided by the present invention, the refrigerator and freezer of the present invention can accurately control the operating state of the sterilization and deodorization module according to the concentration of odorous gases released by food in the ripening space, thereby improving the sterilization effect, thereby ensuring the ripening quality of food, and to a certain extent avoiding the problems of food spoilage, odor overflow, and damage to ripening quality caused by ineffective sterilization.

Description

Technical Field

[0001] The present invention relates to household refrigeration equipment, in particular to a refrigeration and freezing device and a control method thereof. Background Art

[0002] During the refrigeration process, microorganisms on the surface of food continue to grow, which can easily cause the food to produce odors or even spoil. Therefore, existing refrigeration and freezing devices are equipped with sterilization modules to control the number of microorganisms on the food surface.

[0003] However, the inventors recognized that existing sterilization control solutions cannot meet the sterilization needs of the ripening space. Ripening refers to the process of placing food under suitable temperature and humidity conditions to allow it to slowly and naturally ferment, thereby producing a better flavor. In this process, not only is the ripening cycle long, but the growth rate of surface microorganisms also fluctuates as the quality of the food changes. Therefore, existing sterilization control solutions cannot be effectively applied to the ripening process, resulting in problems such as food spoilage, odor leakage, and damage to the ripening quality caused by ineffective sterilization, resulting in a poor user experience. Summary of the Invention

[0004] An object of the present invention is to overcome at least one technical defect in the prior art and to provide a refrigeration and freezing device and a control method thereof.

[0005] A further object of the present invention is to enable the refrigeration and freezing device to accurately control the operating state of the sterilization and deodorization module according to the conditions of the food itself, thereby improving the sterilization effect and ensuring the quality of food ripening.

[0006] Another further object of the present invention is to further adjust the operating state of the sterilization and deodorization module according to the degree of maturity of the food, so as to optimize the maturity effect.

[0007] A further object of the present invention is to improve the accuracy of detecting the concentration of odorous gases, thereby further improving the sterilization effect.

[0008] In particular, according to one aspect of the present invention, a control method for a refrigerator-freezer is provided, wherein a ripening space is formed inside the refrigerator-freezer and a sterilization and deodorization module is also provided inside the refrigerator-freezer; and the control method includes:

[0009] After starting the aging process, starting a fan for promoting air circulation in the aging space;

[0010] Detecting the concentration of odorous gases emitted by food in the ripening area;

[0011] Set the operating status of the sterilization and deodorization module according to the concentration of the odorous gas, and start the sterilization and deodorization module according to the operating status.

[0012] Optionally, the step of setting the operating state of the sterilization and deodorization module according to the concentration of the odorous gas includes:

[0013] Determine whether the concentration of odorous gas reaches a preset concentration threshold;

[0014] If the concentration of the odorous gas reaches a preset concentration threshold, the sterilization and deodorization module is controlled to run for the first working time.

[0015] Optionally, after the step of controlling the sterilization and deodorization module to operate for the first working time, the control method further includes:

[0016] Control the sterilization and deodorization module to pause the preset standby time threshold;

[0017] Determine whether the fan has stopped running;

[0018] If the fan stops running, start the fan and test the concentration of odorous gases released by the food in the ripening space again;

[0019] If the fan has not stopped running, the concentration of the odorous gas released by the food in the ripening space is directly tested again.

[0020] Optionally, after the step of determining whether the concentration of the odorous gas reaches a preset concentration threshold, the control method further includes:

[0021] If the concentration of the odorous gas does not reach the preset concentration threshold, the sterilization and deodorization module is controlled to run for a second working time, wherein the second working time is less than the first working time.

[0022] Optionally, after the step of controlling the sterilization and deodorization module to operate for the second working time, the control method further includes:

[0023] Control the sterilization and deodorization module to pause the preset standby time threshold;

[0024] Determine whether the fan has stopped running;

[0025] If the fan does not stop running, return to the step of controlling the sterilization and deodorization module to run for the second working time.

[0026] Optionally, after the step of determining whether the fan has stopped running, the control method further includes:

[0027] If the fan stops running, start the fan;

[0028] After the fan is started, the concentration of odorous gases released by the food in the ripening space is tested again.

[0029] Optionally, the control method further includes:

[0030] Detecting the degree of doneness of food in the ripening space;

[0031] Obtaining operating parameters corresponding to the degree of doneness of food;

[0032] Adjust the operating status of the sterilization and deodorization module according to the operating parameters.

[0033] Optionally, the step of detecting the concentration of odorous gas released by food in the ripening space includes:

[0034] Collect odorous gases released by food during air circulation;

[0035] The collected odorous gases are analyzed and processed to obtain the concentration of the odorous gases released by the food in the ripening space.

[0036] According to another aspect of the present invention, there is also provided a refrigeration and freezing device, comprising:

[0037] A maturation space is provided inside the refrigeration and freezing device;

[0038] Fan, used to promote air circulation in the maturation space;

[0039] Odor sensor, used to detect the concentration of odorous gases released by food in the ripening space;

[0040] a sterilization and deodorization module, for sterilization and deodorization, configured to set an operating state according to the concentration of the odorous gas and start according to the operating state; and

[0041] The processing module and the storage module store a machine executable program. When the machine executable program is executed by the processing module, it is used to implement any of the above control methods.

[0042] Optionally, the odor sensor is arranged in an air path of air circulation in the ripening space;

[0043] The odor sensor includes an odor gas collecting portion, which is configured so that the odor gas collecting portion faces the return air direction of the air flow circulation.

[0044] The refrigeration and freezing device and control method of the present invention utilize the airflow circulation within the ripening space to detect the concentration of odorous gases released by food when the fan is activated, thereby improving detection accuracy. The operating state of the sterilization and deodorization module is automatically set based on the detected concentration of odorous gases released by the food, and the sterilization and deodorization module is activated according to the operating state. This allows for precise control of the operating state of the sterilization and deodorization module based on food quality, thereby improving the sterilization effect and ensuring the ripening quality of the food. The method provided by the present invention, to a certain extent, avoids the problems of environmental contamination within the refrigeration and freezing device, poor ripening effect, or even ripening failure caused by ineffective sterilization.

[0045] Furthermore, the refrigeration and freezing device and the control method thereof of the present invention can detect the degree of maturity of food in the ripening space, obtain operating parameters corresponding to the degree of maturity of the food, and adjust the operating state of the sterilization and deodorization module according to the operating parameters. This enables the refrigeration and freezing device of the present invention to further adjust the operating state of the sterilization and deodorization module according to the degree of maturity of the food, thereby facilitating the optimization of the ripening effect.

[0046] Furthermore, the refrigeration and freezing device and the control method thereof of the present invention, since the refrigeration and freezing device can collect odorous gases released by food during air circulation, and analyze and process the collected odorous gases to obtain the concentration of the odorous gases released by the food in the ripening space, utilizes the air circulation of the ripening space, can fully collect the odorous gases in the ripening space, improves the accuracy of detecting the concentration of the odorous gases, and thus further improves the sterilization effect.

[0047] Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will become more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0049] Figure 1 is a schematic structural diagram of a refrigeration and freezing device according to one embodiment of the present invention;

[0050] Figure 2 is a schematic structural diagram of a ripening compartment of a refrigerator-freezer according to one embodiment of the present invention;

[0051] Figure 3 The invention relates to a refrigeration and freezing device according to an embodiment of the present invention. Figure 2 The sectional view is taken by the AA section line;

[0052] Figure 4 is a schematic block diagram of a refrigeration and freezing device according to one embodiment of the present invention;

[0053] Figure 5 is a schematic diagram of a control method for a refrigeration and freezing device according to an embodiment of the present invention;

[0054] Figure 6 is a schematic diagram of a control method of a refrigeration and freezing device 100 according to another embodiment of the present invention;

[0055] Figure 71 is a control flow chart of a control method of a refrigerator-freezer 100 according to an embodiment of the present invention. DETAILED DESCRIPTION

[0056] Figure 1 FIG is a schematic structural diagram of a refrigeration and freezing device 100 according to an embodiment of the present invention. The refrigeration and freezing device 100 of the present invention may generally include a box body 110. Figure 1 As shown, a storage compartment 111 is formed inside the box body 110 .

[0057] In this embodiment, the interior of the cabinet 110 may be formed with multiple storage compartments 111, such as a refrigerated compartment, a freezer compartment, and a maturation compartment 112. The maturation compartment 112 comprises a maturation space for maturating food. In some specific embodiments, the cabinet 110 further defines a cooling duct that provides cooling air to the maturation compartment 112. This duct delivers cooling air at a specified temperature to the maturation compartment 112, thereby regulating the temperature within the maturation compartment 112, for example, to maintain the temperature within the maturation compartment 112 between 0°C and 4°C.

[0058] The refrigerator / freezer 100 of the embodiment of the present invention is provided with a ripening chamber 112, which defines a ripening space therein, thereby creating a ripening environment for food ripening and enabling the production of homemade cooked food. The structure of the ripening chamber 112 is described in detail below.

[0059] Figure 2 FIG. 1 is a schematic structural diagram of a ripening chamber 112 of a refrigerator-freezer 100 according to an embodiment of the present invention. Figure 3 The ripening chamber 112 of the refrigerator-freezer 100 according to one embodiment of the present invention is Figure 2 In some embodiments, as Figure 3 As shown, the maturation chamber 112 may include a maturation container 114, and the maturation space 113 may refer to the inner space of the maturation container 114. For example, the maturation container 114 includes a storage drawer.

[0060] like Figure 2 As shown, the maturation chamber 112 may further include a fan 120 and a fan frame 121 for promoting air circulation within the maturation space 113. The fan 120 is disposed in the fan frame 121, and a return air channel 122 is defined in the fan frame 121. Figure 3As shown, the maturation chamber 112 may also include a return air vent 115 and an outlet vent 116. The maturation space 113 is connected to a return air duct 122 via the return air vent 115 and the outlet 116. When the fan 120 is activated, the airflow within the maturation space 113 is forced out through the return air vent 115 into the return air duct 122. The airflow is then blown back into the maturation space 113 through the outlet 116, completing the air circulation within the maturation space 113.

[0061] Figure 4 1 is a schematic block diagram of a refrigerator-freezer 100 according to an embodiment of the present invention. The refrigerator-freezer 100 includes a ripening space 113, a fan 120, an odor sensor 130, a sterilization and deodorization module 140, a processing module, and a storage module.

[0062] In this embodiment, the fan 120 is used to promote air circulation in the maturation space 113, the odor sensor 130 is used to detect the concentration of odorous gases released by food in the maturation space 113, and the sterilization and deodorization module 140 is used for sterilization and deodorization, and is configured to set the operating status according to the concentration of the odorous gas and start according to the operating status.

[0063] The refrigerator / freezer 100 of this embodiment utilizes the odor sensor 130, facilitated by air circulation, to fully detect the concentration of odorous gases released by food, thereby improving detection accuracy. The operating state of the sterilization and deodorization module 140 is automatically set based on the detected concentration of odorous gases released by the food, and sterilization and deodorization module 140 is activated accordingly. This allows for precise control of the operation of the sterilization and deodorization module 140 based on the food's inherent state, improving sterilization effectiveness and ensuring food quality.

[0064] In some embodiments, the odor sensor 130 is disposed in the air path of the air circulation of the ripening space 113, for example, it can be disposed in the air path inside the ripening space 113, or in the air path outside the ripening space 113. In some more specific embodiments, such as Figure 2 As shown, the odor sensor 130 is arranged in the return air channel 122, so that the air flow circulation can be fully utilized to detect the odor gas, thereby improving the accuracy of detection.

[0065] In some embodiments, the odor sensor 130 includes an odor gas collection unit configured to face the return air direction of the air circulation system. Specifically, the odor sensor 130 can preferably be a sensor capable of identifying odorous gases such as trimethylamine and other amine substances, hydrogen sulfide, methyl mercaptan, and ammonia. The odor gas collection unit of the odor sensor 130 can be a selective filter membrane, which is positioned perpendicular to the return air direction of the air circulation system, thereby ensuring that the odor gas collection unit faces the return air direction of the air circulation system. By positioning the odor gas collection unit of the odor sensor 130 facing the return air direction of the air circulation system, the refrigerator-freezer 100 of this embodiment further improves detection accuracy.

[0066] In some embodiments, the sterilization and deodorization module 140 may include any one or more of a variety of sterilization and deodorization modules 140, such as a substrate carrying AG and CU ions, an ozone generator, an ion generator, a plasma generator, and an ultraviolet lamp. The present invention does not limit the specific type of the sterilization and deodorization module 140, but only limits the installation position of the sterilization and deodorization module 140 as follows: If a physical sterilization and deodorization module such as a substrate carrying AG and CU ions is selected, or a chemical sterilization and deodorization module such as an ozone generator, an ion generator, and a plasma generator is selected as the sterilization and deodorization module 140, the sterilization and deodorization module 140 is set in the air path of the air circulation, and the sterilization and deodorization module 140 at this position may be set as the first position sterilization module 141. Specifically, if Figure 2 As shown, the first position sterilization module 141 is set in the return air duct 122. If a light-based sterilization and deodorization module such as an ultraviolet lamp is selected as the sterilization and deodorization module 140, the sterilization and deodorization module 140 is set in the upper area inside the aging container 114. It is advisable to set the sterilization and deodorization module 140 in this position as the second position sterilization module 142. Specifically, Figure 3 As shown, the second-position sterilization module 142 is positioned on the top inner wall of the aging container 114. It should be noted that the provision of the first-position sterilization module 141 and the second-position sterilization module 142 is merely for the convenience of illustrating the two different placements of the sterilization and deodorization module 140 and does not restrict the subsequent start / stop conditions or operating duration of the sterilization and deodorization module 140. The refrigerator / freezer 100 of this embodiment utilizes the sterilization principles of the sterilization and deodorization module 140 and positions the sterilization and deodorization module 140 according to its type. This facilitates the even distribution of effective sterilization and deodorization components throughout the aging space 113, ensuring sterilization and deodorization efficiency and further improving the sterilization and deodorization effect.

[0067] The processing module 150 and the storage module 160 may form part of the main control board of the refrigerator-freezer 100. The processing module 150 may be a central processing unit (CPU), a digital processing unit (DSP), or the like. The storage module 160 is used to store programs executed by the processing module 150. The storage module 160 stores a machine-executable program 161. When executed by the processing module 150, the machine-executable program 161 is used to implement the control method of the refrigerator-freezer 100 according to any of the following embodiments.

[0068] Figure 5 FIG. 1 is a schematic diagram of a control method for a refrigerator-freezer 100 according to an embodiment of the present invention. The control method may generally include:

[0069] Step S502 , after starting the aging process, the fan 120 for promoting air circulation in the aging space 113 is started.

[0070] In step S504 , the concentration of the odorous gas released by the food in the ripening space 113 is detected.

[0071] Step S506: setting the operating state of the sterilization and deodorization module 140 according to the concentration of the odorous gas, and starting the sterilization and deodorization module 140 according to the operating state.

[0072] Using the above method, since the refrigerator / freezer 100 can utilize the airflow circulation within the ripening space 113 to detect the concentration of odorous gases released by the food when the fan 120 is activated, the detection accuracy is improved. Since the operating state of the sterilization and deodorization module 140 is automatically set according to the detected concentration of odorous gases released by the food, and the sterilization and deodorization module 140 is activated according to the operating state, the operating state of the sterilization and deodorization module 140 is precisely controlled according to the quality of the food, thereby improving the sterilization effect and ensuring the ripening quality of the food. Based on the method provided by the present invention, the problems of environmental contamination within the refrigerator / freezer 100, poor ripening effect, or even ripening failure caused by ineffective sterilization are avoided to a certain extent.

[0073] In some embodiments, the step of setting the operating state of the sterilization and deodorization module 140 based on the concentration of the odorous gas includes determining whether the concentration of the odorous gas reaches a preset concentration threshold. If so, controlling the sterilization and deodorization module 140 to operate for a first operating time. The first operating time can be pre-set based on the type of food. Specifically, the food type information is compared with a preset food type library to obtain the optimal sterilization and deodorization time for that type of food as the first operating time. The preset food type library stores optimal sterilization times for different types of food. The optimal sterilization and deodorization time is calculated by calculating the cumulative sterilization and deodorization time data collected from the time the concentration of odorous gases released from different types of food reaches a preset concentration threshold and begins, until the odorous gas concentration drops to a safe value. The food type library can be pre-set based on daily cooking habits. For example, the cooked food library may store optimal sterilization and deodorization times for standard cooked foods such as beef, lamb, chicken, fish, and duck.

[0074] In some embodiments, after controlling the sterilization and deodorization module 140 to operate for a first operating time, the control method further includes controlling the sterilization and deodorization module 140 to pause at a preset standby time threshold, determining whether the fan 120 has stopped operating, and if so, restarting the fan 120 to re-detect the concentration of odorous gases released by the food in the ripening space 113. If the fan 120 has not stopped operating, directly re-detecting the concentration of odorous gases released by the food in the ripening space 113. The preset standby time threshold can be pre-set based on the type of food. Specifically, the food type information is compared with a preset food type library to obtain the optimal standby time for that food type as the preset standby time threshold. The preset food type library contains pre-stored optimal standby times for different types of food. The optimal standby time is determined by statistically analyzing pre-collected cumulative standby time data from the completion of sterilization and deodorization for different types of food to the preset concentration threshold.

[0075] It should be noted that after the aging process is initiated, the operating parameters of the refrigerator / freezer 100 are adjusted during the aging process. These operating parameters may include the fan duty cycle. That is, during the aging process, the fan 120 may have various operating states, such as started, running, stopped, and on standby, depending on the aging process. The odor sensor 130 of the present invention utilizes the airflow circulation of the aging space 113 to detect the concentration of odorous gases within the aging space 113. Therefore, the fan 120 must be in operation before the concentration of odorous gases is detected. The sterilization and deodorization module 140 of the present invention can function normally regardless of whether the fan 120 is in operation or in a stopped, standby, or other non-operating state. Therefore, after completing the step of detecting the concentration of odorous gases within the aging space 113, the fan 120 can continue to adjust its operating state according to the aging process. That is, after the sterilization and deodorization module 140 is controlled to pause for a preset standby time threshold, the fan 120 may be in various operating states, such as in operation, in standby, and stopped. Therefore, before each step of detecting the concentration of odorous gases in the ripening space 113 is performed, the operating state of the fan 120 must be determined.

[0076] Using the above method, since the refrigeration and freezing device 100 can ensure that the sterilization and deodorization module 140 stops running after controlling the sterilization and deodorization module 140 to run for the first working time, after stopping the sterilization and deodorization module 140 for the preset standby time, the operating state of the sterilization and deodorization module 140 is reset according to the concentration of the odorous gas released by the food in the ripening space 113, the start and stop conditions of the sterilization and deodorization module 140 are accurately controlled, and highly automated continuous control of the start and stop of the sterilization and deodorization module 140 is achieved, thereby improving the level of intelligence while achieving the best sterilization effect.

[0077] In some embodiments, after determining whether the concentration of the odorous gas has reached a preset concentration threshold, the control method further includes: if the concentration of the odorous gas has not reached the preset concentration threshold, controlling the sterilization and deodorization module 140 to operate for a second operating time. The first operating time can be pre-set based on the type of food. Specifically, the second operating time is shorter than the first operating time, thereby shortening the operating time of the sterilization and deodorization module 140 when the concentration of the odorous gas is not high.

[0078] Using the above method, since the refrigeration and freezing device 100 can adjust the operating time of the sterilization and deodorization module 140 according to the concentration of the odorous gas, ineffective work in the latter period of long-term sterilization and deodorization is avoided, thereby avoiding damage to food ripening quality and energy waste caused by ineffective sterilization.

[0079] In some embodiments, after the step of controlling the sterilization and deodorization module 140 to run for the second working time, the control method also includes: controlling the sterilization and deodorization module 140 to pause the preset standby time threshold, and judging whether the fan 120 stops running. If the fan 120 does not stop running, returning to the step of controlling the sterilization and deodorization module 140 to run for the second working time. If the fan 120 stops running, starting the fan 120. After the fan 120 is started, detecting the concentration of the odorous gas released by the food in the ripening space 113 again.

[0080] Using the above method, since the refrigeration and freezing device 100 can stop running the sterilization and deodorization module 140 after controlling the sterilization and deodorization module 140 to run for the second working time, and after stopping the sterilization and deodorization module 140 for the preset standby time, it continues to detect the concentration of odorous gases released by food in the ripening space 113 in combination with the operating status of the fan 120, and resets the operating status of the sterilization and deodorization module 140, it realizes precise control of the start and stop conditions of the sterilization and deodorization module 140, thereby automatically achieving the best sterilization effect.

[0081] In some embodiments, the step of detecting the concentration of odorous gases released by food in the ripening space 113 includes: collecting odorous gases released by food during air flow circulation, analyzing and processing the collected odorous gases, and obtaining the concentration of odorous gases released by food in the ripening space 113.

[0082] Using the above method, since the refrigeration and freezing device 100 can collect odorous gases released by food during the air circulation, and analyze and process the collected odorous gases to obtain the concentration of the odorous gases released by the food in the ripening space 113, the air circulation of the ripening space 113 is utilized, and the odorous gases in the ripening space 113 can be fully collected, thereby improving the accuracy of detecting the concentration of the odorous gases, thereby further improving the sterilization effect.

[0083] Figure 6 FIG. 1 is a schematic diagram of a control method for a refrigerator-freezer 100 according to another embodiment of the present invention. The control method may generally include:

[0084] Step S602 , after starting the aging process, the fan 120 for promoting air circulation in the aging space 113 is started.

[0085] Step S604 , detecting the concentration of the odorous gas released by the food in the ripening space 113 .

[0086] Step S606: setting the operating state of the sterilization and deodorization module 140 according to the concentration of the odorous gas, and starting the sterilization and deodorization module 140 according to the operating state.

[0087] Step S608: Detect the degree of maturity of the food in the ripening space 113. The degree of maturity of the food can be determined based on the concentration of flavor substances released by the food.

[0088] Step S610: Obtain operating parameters corresponding to the degree of doneness of the food.

[0089] Step S612: Adjust the operating state of the sterilization and deodorization module 140 according to the operating parameters.

[0090] Using the above method, since the refrigeration and freezing device 100 can detect the degree of maturity of food in the ripening space 113, obtain the operating parameters corresponding to the degree of maturity of the food, and adjust the operating state of the sterilization and deodorization module 140 according to the operating parameters, this enables the refrigeration and freezing device 100 of the present invention to further adjust the operating state of the sterilization and deodorization module 140 according to the degree of maturity of the food, which is conducive to optimizing the ripening effect.

[0091] Figure 7 FIG. 1 is a control flow chart of a control method for a refrigerator-freezer 100 according to an embodiment of the present invention. The control flow generally includes:

[0092] Step S702, start maturation.

[0093] In step S704 , the fan 120 is started to promote air circulation in the maturing space 113 .

[0094] Step S706: collecting odorous gases released by food during air circulation.

[0095] In step S708 , the collected odorous gas is analyzed and processed to obtain the concentration of the odorous gas released by the food in the ripening space 113 .

[0096] Step S710, determine whether the concentration of the odorous gas reaches a preset concentration threshold, if so, execute step S712, if not, execute step S718.

[0097] Step S712: Control the sterilization and deodorization module 140 to operate for a first working time.

[0098] Step S714: Control the sterilization and deodorization module 140 to suspend the preset standby time threshold.

[0099] Step S716, determining whether the fan 120 stops running, if so, returning to step S704, if not, returning to step S706.

[0100] Step S718: Control the sterilization and deodorization module 140 to operate for the second working time.

[0101] Step S720: Control the sterilization and deodorization module 140 to suspend the preset standby time threshold.

[0102] Step S722, determining whether the fan 120 stops running, if so, returning to step S704, if not, returning to step S718.

[0103] Using the above method, after the aging process is started, the refrigerator / freezer 100 can utilize the airflow circulation within the aging space 113 to detect the concentration of odorous gases released by the food when the fan 120 is activated, thereby improving the accuracy of detection. Since the operating state of the sterilization and deodorization module 140 is automatically set according to the detected concentration of odorous gases released by the food, and the sterilization and deodorization module 140 is activated according to the operating state, the operating state of the sterilization and deodorization module 140 is precisely controlled according to the quality of the food, thereby improving the sterilization effect and ensuring the aging quality of the food. Based on the method provided by the present invention, the problems of environmental contamination within the refrigerator / freezer 100, poor aging effect, or even aging failure caused by ineffective sterilization are avoided to a certain extent.

[0104] In addition, since the refrigeration and freezing device 100 can detect the degree of maturity of food in the ripening space 113, obtain the operating parameters corresponding to the degree of maturity of the food, and adjust the operating state of the sterilization and deodorization module 140 according to the operating parameters, this enables the refrigeration and freezing device 100 of the present invention to further adjust the operating state of the sterilization and deodorization module 140 according to the degree of maturity of the food, which is conducive to optimizing the ripening effect.

[0105] At this point, those skilled in the art will recognize that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications consistent with the principles of the present invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims

1. A control method for a refrigerator / freezer, wherein the refrigerator / freezer has an aging space formed therein and a sterilization and deodorization module provided therein; And the control method includes: After starting the aging process, starting a fan for promoting air circulation in the aging space; detecting the concentration of odorous gases released by the food in the ripening space; Determining whether the concentration of the odorous gas reaches a preset concentration threshold; If the concentration of the odorous gas reaches a preset concentration threshold, the sterilization and deodorization module is controlled to operate for a first working time; If the concentration of the odorous gas does not reach the preset concentration threshold, controlling the sterilization and deodorization module to operate for a second working time, wherein the second working time is less than the first working time; Controlling the sterilization and deodorization module to pause a preset standby time threshold; Determining whether the fan stops running; If the fan stops running, starting the fan; After the fan is started, the concentration of the odorous gas released by the food in the ripening space is detected again.

2. The control method according to claim 1, after the step of controlling the sterilization and deodorization module to operate for a first operating time, the control method further comprises: Controlling the sterilization and deodorization module to pause a preset standby time threshold; Determining whether the fan stops running; If the fan stops running, the fan is started and the concentration of the odorous gas released by the food in the ripening space is detected again; If the fan has not stopped running, the concentration of the odorous gas released by the food in the ripening space is directly detected again.

3. The control method according to claim 1, after the step of determining whether the fan has stopped running, the control method further comprises: If the fan has not stopped running, the process returns to the step of controlling the sterilization and deodorization module to run for the second working time.

4. The control method according to claim 1, further comprising: detecting the degree of ripeness of food in the ripening space; Obtaining operating parameters corresponding to the degree of doneness of the food; The operating state of the sterilization and deodorization module is adjusted according to the operating parameters.

5. The control method according to claim 1, wherein: The step of detecting the concentration of odorous gas released by the food in the ripening space includes: collecting odorous gases released by the food during air circulation; The collected odorous gas is analyzed and processed to obtain the concentration of the odorous gas released by the food in the ripening space.

6. A refrigeration and freezing device comprising: A ripening space is provided inside the refrigeration and freezing device; a fan, used to promote air circulation in the maturation space; an odor sensor for detecting the concentration of odorous gases released by food in the ripening space; a sterilization and deodorization module, for sterilization and deodorization, configured to set an operating state according to the concentration of the odorous gas and start according to the operating state; and A processing module and a storage module, wherein the storage module stores a machine executable program, and when the machine executable program is executed by the processing module, it is used to implement the control method according to any one of claims 1-5.

7. The refrigerator-freezer according to claim 6, wherein: The odor sensor is arranged in the air path of the air circulation in the ripening space; The odor sensor includes an odor gas collecting portion, and is configured so that the odor gas collecting portion faces the return air direction of the air flow circulation.

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