CN211695558U - Super-long-effect sterilization vacuum moisturizing fresh-keeping refrigerator - Google Patents
Super-long-effect sterilization vacuum moisturizing fresh-keeping refrigerator Download PDFInfo
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- CN211695558U CN211695558U CN202020172988.0U CN202020172988U CN211695558U CN 211695558 U CN211695558 U CN 211695558U CN 202020172988 U CN202020172988 U CN 202020172988U CN 211695558 U CN211695558 U CN 211695558U
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Abstract
The utility model discloses a super long-term sterilization vacuum moisturizing fresh-keeping refrigerator mainly relates to fresh-keeping technical field. Comprises a heat-insulating airtight fresh-keeping cabinet, a conventional freezing cabinet and a cabinet which are arranged from top to bottom in any sequence. The front surface of the fresh-keeping cabinet is provided with a heat-insulating airtight upper cabinet door matched with the fresh-keeping cabinet, and the fresh-keeping cabinet and the upper cabinet door jointly form a heat-insulating airtight cavity; the freezer and the middle cabinet door form a conventional freezer cavity together; the super long-acting sterilization vacuum moisturizing fresh-keeping refrigerator comprises: the heat-insulating airtight cavity, the freezing cavity, the sterilization module, the refrigeration module, the vacuumizing module, the humidification module and the cabinet for accommodating the large-scale components belonging to the modules. The beneficial effects of the utility model reside in that: it creates a local sterile low-temperature water saturated vacuum environment; the fresh goods are placed in the fresh-keeping box, so that the effect of keeping the fresh goods fresh for a long time is achieved, and the fresh-keeping box is environment-friendly and low in consumption; compared with the conventional normal-pressure low-humidity cold storage and preservation method with extremely short preservation period, the method has remarkable economic benefit and social public value.
Description
Technical Field
The utility model relates to a fresh-keeping technical field specifically is a sterilization vacuum fresh-keeping refrigerator of moisturizing is imitated to overlength.
Background
According to the report of the free time of taiwan in china in 6 and 18 months in 2018: the total weight of expired food in a whole Taiwan mass vendor, convenience store, supermarket and the like in one year is more than thirty-six thousand metric tons, and the quantity is remarkable, so that great economic loss is caused. According to the investigation, the Taiwan 15-family members are investigated, and according to the annual business volume estimation, the food of 30.8 million yuan (new Taiwan currency) is discarded by volume dealer one year, the food of 7.3 million yuan is discarded by super business, the total amount is up to 38.1 million yuan, and if the food is converted into the nutrient lunch meal, 34 million weak schoolchildren can eat the food for one year.
According to statistics, most of the discarded foods are vegetables, fruits, meat or seafood, and the reasons for discarding include temporary use, breakage of external packages, or pure poor sale and over-ripening. Taking fruits as an example, bananas with black spots and guava with slightly damaged surfaces can be the target of being discarded, and as high as 57% of the people indicate, the fresh food materials have short storage life and are most easily discarded. Therefore, how to guarantee the fresh food is a fundamental measure for solving the waste problem.
Because the current environmental protection idea is more and more deep into the mind, from the sustainable development angle, the Freon refrigerant is forbidden, the difficulty of insurance means and modules is increased, and higher technical requirements are provided for food freshness preservation.
SUMMERY OF THE UTILITY MODEL
The beneficial effects of the utility model reside in that: it creates a local sterile low-temperature water saturated vacuum environment; the fresh goods are placed in the fresh-keeping box, so that the effect of keeping the fresh goods fresh for a long time is achieved, and the fresh-keeping box is environment-friendly and low in consumption; compared with the conventional normal-pressure low-humidity cold storage and preservation method with extremely short preservation period, the method has remarkable economic benefit and social public value.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides an ultra-long is imitated sterilization vacuum and is moisturized fresh-keeping refrigerator, includes fresh-keeping cabinet and the freezer chest that top-down ordered the setting wantonly, still includes sterilization module, refrigeration module, evacuation module, humidification module, fresh-keeping cabinet's front side is equipped with rather than the adiabatic airtight last cabinet door of cooperation, fresh-keeping cabinet constitutes adiabatic airtight cavity with last cabinet door, sterilization module, refrigeration module, evacuation module, humidification module all are used in adiabatic airtight cavity.
The sterilization module comprises any one or two of an ozone generator or titanium dioxide photocatalyst sterilization.
The refrigeration module comprises a refrigerant compressor, an evaporator, a condenser, a capillary tube and a refrigerant in a pipeline which are connected, wherein the evaporator is provided with an internal fan in a matched mode, and the condenser is provided with an external fan in a matched mode;
the sterilization module comprises an ozone generator and is arranged at an air outlet of the internal fan;
the vacuumizing module comprises one or more vacuumizing pumps, and is formed by connecting or connecting in parallel through gas pipelines provided with one-way valves and electromagnetic valves, the input end of the vacuumizing module is provided with an air inlet pipe, and the output end of the vacuumizing module is provided with an air outlet pipe;
the humidifying module comprises a water storage tank, a water pipe is connected to the water storage tank, at least one spray head is arranged on the water pipe, and a liquid electromagnetic valve, a liquid one-way valve and an adjustable current limiter are arranged on the water pipe;
the atomizing spray head, the air inlet end of the air inlet pipe, the evaporator, the internal fan and the ozone generator are all arranged on the upper part of the fresh-keeping cabinet.
The gas outlet pipe is provided with a gas one-way valve and connected to the water storage tank, the gas outlet pipe is provided with a gas outlet, and the front end of the gas outlet is provided with a pressure release valve.
And a water level sensor is arranged in the water storage tank.
And a filter is arranged at the air inlet of the air inlet pipe.
And a humidity sensor, a temperature sensor and an air pressure sensor are arranged in the fresh-keeping cabinet.
The refrigerator is characterized in that a cabinet is arranged below the fresh-keeping cabinet, the refrigerant compressor, the condenser, the capillary tube, the external fan, the vacuumizing module and the water storage tank are installed in the cabinet, a control panel is further arranged on the fresh-keeping cabinet or the freezer cabinet, a display screen and control keys for controlling the sterilizing module, the refrigerating module, the vacuumizing module and the humidifying module are integrated on the control panel, and supporting legs are arranged at the bottom of the cabinet.
A manual vacuum pressure release valve is arranged on the upper cabinet door, and the inside and the outside of the sealed cavity can be in an isobaric state by starting the vacuum pressure release valve;
and/or
A microswitch is arranged at the opening and closing position of a door frame of the upper cabinet door and linked with the opening and closing of the vacuumizing module, when the upper cabinet door is opened, the microswitch is switched off to ensure that the vacuumizing module is not started, and when the upper cabinet door is closed, the microswitch is switched on to ensure that the vacuumizing module is started;
and/or
An airtight seal is arranged on the periphery of the upper cabinet door;
and/or
The upper cabinet door is a leaf and is pivoted with the fresh-keeping cabinet.
A grid plate which can be taken out is arranged in the fresh-keeping cabinet along the height direction of the fresh-keeping cabinet;
the front side of the freezer cabinet is matched with a middle cabinet door, and a freezer pipe is installed in the freezer cabinet.
Contrast prior art, the beneficial effects of the utility model reside in that:
the fresh-keeping function of the fresh-keeping articles is achieved in a low-temperature vacuum saturated steam environment, compared with a traditional household fresh-keeping refrigerator, the fresh-keeping period is prolonged by 5-10 times, and the fresh-keeping refrigerator is environment-friendly and low in consumption. The household food fresh-keeping device is economical and practical, greatly improves the fresh-keeping quality and period of food, protects the health of family members, and reduces food waste.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the evacuation module of fig. 1 of the present invention.
FIG. 3 is an oblique front perspective view of embodiment 3 of the present invention
Fig. 4 is a perspective view of the second-class angle of the embodiment 3 of the present invention, which is randomly and irregularly cut.
Fig. 5 is a perspective view of the second-class corner of the embodiment 3 of the present invention without the outer box.
Fig. 6 is a perspective view of the embodiment 3 of the present invention with the external box and the grid removed from the other reverse second-angle view.
(note: valves, sensors, etc. associated with FIGS. 1 and 2, not depicted or shown in the following figures, but not forming any technical hurdles for those skilled in the art; omitted from the following figures due to difficulties in drawing and prevention of graphics clutter)
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
Example 1: ultra-long-acting sterilization vacuum moisturizing and fresh-keeping method
The super-long-acting sterilization vacuum moisturizing and fresh-keeping method (hereinafter referred to as a "freshness-keeping method") provided by the present example is to put fresh goods into a closed container (heat-insulating airtight cavity) and perform sterilization treatment; then the temperature is reduced to 2-5 ℃, and the internal air pressure is reduced to 400-500 Pa (note: 1Pa ═ 10 Dyne/cm)2) Meanwhile, the inside of the closed container is maintained in a saturated humidity state.
The freshness preservation method uses the low-temperature vacuum saturated steam environment as the basic theoretical basis of the utility model to reach the freshness preservation function of the fresh goods, can the fresh goods keep fresh for a very long term.
The current environmental protection issue is positive, fluorine-containing refrigerant is forbidden, and the refrigerant is saturated with water and kept fresh in vacuum, so that the refrigerant has environmental protection value; meanwhile, according to experiments, compared with the traditional refrigeration and preservation, the fresh-keeping period of the fresh-keeping food is prolonged by 5-10 times, so that the fresh-keeping food has a high commercial value.
Fresh items to be preserved include, for example: fish, meat, vegetables, fresh flowers or other cooked foods.
The sterilization is preferably performed by ozone sterilization, but is not limited to this example, and sterilization using a titanium dioxide photocatalyst or other types of sterilization is also suitable.
Example 2: sterilizing vacuum moisturizing fresh-keeping system
Can be installed in any heat-insulating airtight cavity 1.0 with an openable and closable heat-insulating airtight door, and the inside of the airtight cavity 1.0 is sterilized and a low-temperature vacuum saturated steam environment is provided for preservation. The system specifically comprises the following modules:
and the sterilization module 5.0 is used for performing sterilization treatment on the heat-insulating airtight cavity through the control module 6.0.
Specifically, an ozone generator 5.1 is used for producing high-concentration ozone as a safe sterilization means; when the specific installation, the installation is fixed in the inside fan 4.5 front side of refrigeration module 4.0, through inside fan 4.5's fan, can with ozone generator, produced ozone molecule evenly distributed in the airtight cavity of thermal insulation 1.0 of effect, do comprehensive safe disinfecting again to the fresh goods of just entering the cabinet. Without being limited to this example, a titanium dioxide photocatalyst sterilization module may also be used.
The refrigerating module 4.0 is used for refrigerating the heat-insulating airtight cavity, an internal fan 4.5 is arranged on the refrigerating side of the refrigerating module, the refrigerating module can be forcibly cooled to the required low temperature when fresh goods are put into the cabinet initially, and a low-temperature environment below 5 ℃ is manufactured in the heat-insulating airtight cavity 1.0 through the control module 6.0, and the optimal temperature is ideally 2-5 ℃.
The main components comprise a refrigerant compressor 4.1, an evaporator 4.4, a condenser 4.2, a capillary tube 4.3 and the refrigerant in the pipeline, an internal fan 4.5 and an external fan 4.6.
The refrigerant compressor 4.1 pumps the refrigerant to the evaporator 4.4 through the capillary tube 4.3, and the refrigerant absorbs heat in the evaporator 4.4 and reduces the ambient temperature; the refrigerant returned by the evaporator 4.4 returns to the refrigerant compressor 4.1, is compressed and then is sent to the condenser 4.2, the refrigerant dictyophora gas is condensed and liquefied, and the absorbed heat is discharged to the surrounding environment; the evaporator 4.4 is disposed in the acting heat-insulating airtight cavity 1.0, and the pipelines of the evaporator 4.4 entering and exiting the heat-insulating airtight cavity 1.0 are all processed in an airtight way.
And the vacuumizing module 2.0 is used for carrying out pressure reduction treatment on the heat-insulating airtight cavity and controlling the pressure to keep 400-500 Pa through the control module 6.0. (Note: 1Pa ═ 10Dyne/cm2)
The main components are a vacuum pumping set 2.3, the vacuum pumping set 2.3 comprises components shown in a schematic diagram of a figure 2, and comprises a connecting pipeline, a one-way valve 2.3.1, an electromagnetic valve 2.3.2.1, an electromagnetic valve 2.3.2.2 and the like; the vacuum air pump group 2.3 is composed of one vacuum air pump 2.3.3 or more than one vacuum air pump 2.3.3, the one-way valve 2.3.1, the electromagnetic valve 2.3.2 and the like; more than one vacuum air pump 2.3.3 is combined in series or in parallel through a one-way valve 2.3.1, an electromagnetic valve 2.3.2 and the like; especially, in the initial stage of air extraction, the air pressure in the heat-insulating airtight cavity 1.0 is still high, and when the air pressure is higher than 1kPa, a plurality of vacuum air extraction pumps 2.3.3 are combined in parallel to synchronously work so as to increase the instantaneous air extraction amount; at the end of air pumping, when the air pressure in the heat-insulating airtight cavity 1.0 is lower than 1kPa, a plurality of vacuum air pumps 2.3.3 work synchronously, and the air pumps 2.3.3 are combined in series to share the air pressure intensity between the air inlet and the air outlet.
An air inlet pipe 2.6 is arranged at the input end of the vacuumizing pump set 2.3, an air inlet 2.1 is arranged in the heat-insulating airtight cavity 1.0 for mounting, and an inlet filter is additionally arranged on the air inlet 2.1 as required to serve as an air outlet in the heat-insulating airtight cavity 1.0. The gas inlet pipe 2.6 is provided with a gas one-way valve 2.2.
The output end of the vacuumizing pump set 2.3 is provided with an air outlet pipe 2.5, the air outlet pipe 2.5 is provided with an air one-way valve 2.2, and the air outlet pipe is connected into the water storage tank 3.1 to provide an air source for humidifying and spraying water to the water storage tank, so that energy is reasonably and comprehensively utilized. The air outlet pipe 2.5 is provided with an air outlet arranged outside the heat-insulating airtight cavity 1.0, and the front end of the air outlet is provided with a pressure release valve 2.4 for controlling the air pressure of an air source input into the water storage tank.
And the humidifying module 3.0 is used for humidifying the heat-insulating airtight cavity and controlling the humidity to be 90% -saturated humidity through the control module 6.0.
The main component is a water storage tank 3.1, fill water in the water storage tank 3.1, water storage tank 3.1 can add water manually or through an outside water supply source automatic water supply. In the example, the water pipe provided with the liquid one-way valve 3.2 is connected with an external water source 3.3, the water storage tank 3.1 is matched with a water level sensor 3.4, and a detection head floating ball switch 3.5 of the water level sensor is arranged in the water storage tank 3.1 so as to control the liquid level inside the water storage tank 3.1.
A water pipe 3.6 is connected in a water storage tank, at least one group of spray heads 3.10 are distributed in the water pipe 3.6 in an installed heat-insulating airtight cavity 1.0 and used for providing required relative humidity, a liquid electromagnetic valve 3.7 (connected with a humidity sensor 6.3 through signals), a liquid one-way valve 3.8 and an adjustable current limiter 3.9 are installed on the water pipe 3.6, the on-off circuit of the water pipe is controlled, whether the spray heads 3.10 spray or not is controlled, and flow control is further performed.
As a means of controlling the relative humidity within said insulating, air-tight cavity; the spray head 3.10, the relevant electromagnetic valve 3.7, the humidity sensor 1.2, the humidity control circuit 6.3, the air pressure sensor 1.4, the vacuum control circuit 6.2 and the like jointly form constant humidity control on the inside of the heat-insulating airtight cavity.
The water inlet of the water pipe 3.6 is positioned at the bottom of the water storage tank 3.1 so as to lead out the water therein.
And the detection module is used for detecting the humidity, the temperature and the air pressure of the installed heat-insulating airtight cavity 1.0, so that the obtained data information is fed back to the control module 6.0, and the control module judges and starts the corresponding module to operate according to the comparison between the feedback information and the threshold value.
The fresh-keeping device comprises a humidity sensor 1.2, a temperature sensor 1.3 and an air pressure sensor 1.4 which are all arranged in a closed cavity 1.0 to be fresh-kept, and the airtight local environment is monitored in real time.
Control module 6.0 for control sterilization module, refrigeration module, evacuation module, humidification module, control includes:
the vacuum control circuit 6.2 is connected with the air pressure sensor 1.2 and used for pumping air and reducing pressure and realizing constant-pressure 400-500 Pa control on vacuum;
the humidity control circuit 6.3 is connected with the humidity sensor 1.2 and is used for humidifying and maintaining constant humidity control of saturated water vapor;
the temperature control circuit 6.4 is connected with the temperature sensor 1.3 and is used for cooling and realizing the control of constant temperature of 2-5 ℃.
The constant temperature, constant humidity, constant pressure, flow control and the like are integrated into a central control assembly which comprises a central control circuit 6.1, all control signals of a main pipe and completes the set work according to the parameters preset by a user; the central control assembly is combined with a related knob, a panel, a shell and the like to form the control panel, so that the operation is convenient;
when the refrigerator is used specifically, after fresh goods are put into the installed carrier, namely the heat-insulating airtight cavity 1.0, the central control circuit 6.1 starts the sterilization module 5.0 for sterilization, synchronously starts the refrigeration module 4.0 for cooling to 2-5 ℃, and closes the sterilization module 5.0 and the refrigeration module 4.0 after the sterilization process and the refrigeration process are completed; restarting the vacuumizing module 2.0, and reducing the internal air pressure of the heat-insulating airtight cavity 1.0 to 400-500 Pa; meanwhile, the humidity monitoring also works synchronously, and the inside of the heat-insulating airtight cavity 1.0 is kept at the saturated humidity at any time through the humidifying module 3.0; the fresh goods are placed in the environment of sterilization, low temperature, low pressure and saturated humidity formed by the system, and can be preserved for an ultra-long time without damaging freshness, mildew and taint of odor. The shelf life is prolonged by 5-10 times.
Example 3: household super-long-effect sterilization and moisturizing vacuum fresh-keeping refrigerator
The system of example 2 was used and the above-described freshness system was installed in a home type refrigerator model according to the above installation and use requirements.
The refrigerator model is a specific implementation form of a heat-insulating airtight cavity 1.0, and specifically comprises the following components:
the refrigerator main body is provided with three layers of independent partition areas, a fresh-keeping cabinet 1.0 at the top, a freezer cabinet 7.0 at the middle and a cabinet at the bottom.
Fresh-keeping cabinet 1.0 cup joints through interior casing 1.0.1 and shell body 1.0.0 and constitutes, is equipped with adiabatic intermediate layer 1.0.2 between the two, and fresh-keeping cabinet 1.0's front side has rather than airtight complex goes up cabinet door 1.1, fresh-keeping cabinet 1.0 is inside to be equipped with the multilayer grid board according to the direction of height, realizes fixing placing to grid tray through setting up the boss on the lateral wall of interior casing 1.0.1. Make things convenient for the layering to place the bright article, increase the utilization ratio and the classification function of storing. An evaporator 4.4 and an internal fan 4.5 are fixed at the top of the fresh-keeping cabinet 1.0, an ozone generator 5.1 is fixed in front of the internal fan, so that cold air 1.0.3 with a sterilization function is released inside the fresh-keeping cabinet 1.0, and an atomizing nozzle 3.10 is arranged in the middle of one side inside the fresh-keeping cabinet 1.0.
A freezer cabinet 7.0, the interior of which is provided with a freezer pipe, in particular an upper freezer pipe 7.2 arranged on the top side wall and a lower freezer pipe 7.3 arranged on the bottom side wall, and a middle cabinet door 7.1 is matched,
the refrigerator is characterized in that a cabinet is arranged at the bottom of the refrigerator main body 1.0, the vacuumizing pump set 2.3, the water storage tank 3.1, the refrigerant compressor 4.1, the condenser 4.2, the capillary tube 4.3 and the external fan 4.6 are all arranged in the cabinet, and modules arranged in the cabinet and in the fresh-keeping cabinet 1.0 are connected through corresponding water pipelines and gas pipelines.
The bottom of the refrigerator body is provided with supporting legs for supporting the whole refrigerator body.
Fresh goods are preserved using the refrigerator of the present example; the beneficial effects of the utility model reside in that: it creates a local sterile low-temperature water saturated vacuum environment; the fresh goods are placed in the fresh-keeping box, so that the effect of keeping the fresh goods fresh for a long time is achieved, the fresh-keeping period is prolonged by 5-10 times, and the fresh-keeping box is environment-friendly and low in consumption; compared with the conventional normal-pressure low-humidity cold storage and preservation method with extremely short preservation period, the method has remarkable economic benefit and social public value.
Claims (10)
1. The utility model provides an overlength is imitated sterilization vacuum and is moisturized fresh-keeping refrigerator which characterized in that: comprises a heat-insulating airtight fresh-keeping cabinet and a conventional freezing cabinet which are randomly arranged from top to bottom; in addition, the device also comprises a sterilization module, a refrigeration module, a vacuumizing module and a humidifying module; the fresh-keeping cabinet is characterized in that one side of the front face of the fresh-keeping cabinet is provided with an opening and an upper cabinet door which is matched with the opening and is heat-insulating and airtight, the fresh-keeping cabinet and the upper cabinet door jointly form a heat-insulating and airtight cavity, and the sterilization module, the refrigeration module, the vacuumizing module and the humidifying module all act on the inside of the heat-insulating and airtight cavity.
2. The refrigerator of claim 1, wherein the sterilization module comprises one or both of an ozone generator and a titanium dioxide photocatalyst.
3. The super-long-acting sterilization vacuum moisturizing and fresh-keeping refrigerator as claimed in claim 1,
the refrigeration module comprises a refrigerant compressor, an evaporator, a condenser, a capillary tube and a refrigerant in a pipeline which are connected, wherein the evaporator is provided with an internal fan in a matched mode, and the condenser is provided with an external fan in a matched mode;
the sterilization module comprises an ozone generator and is arranged at an air outlet of the internal fan;
the vacuumizing module comprises a vacuumizing module, the vacuumizing module comprises one or more vacuum air pumps which are combined in series or in parallel through gas pipelines provided with one-way valves and electromagnetic valves, the input end of the vacuumizing module is provided with an air inlet pipe, and the output end of the vacuumizing module is provided with an air outlet pipe;
the humidifying module comprises a water storage tank, the water storage tank is connected with a water pipe to the inside of the heat-insulating airtight cavity, the water pipe is provided with at least one spray head at an outlet in the heat-insulating airtight cavity, and the water pipe is provided with a liquid electromagnetic valve, a liquid one-way valve, an adjustable current limiter and the like which are connected in series and arranged on the water pipe;
the atomizing spray head, the air inlet end of the air inlet pipe, the evaporator, the internal fan and the ozone generator are all arranged on the upper part of the fresh-keeping cabinet.
4. The refrigerator of claim 3, wherein the air outlet pipe is provided with a check valve for air, the air outlet pipe is connected to the water storage tank, the air outlet pipe is provided with an air outlet, and the front end of the air outlet is provided with a pressure release valve.
5. The refrigerator of claim 3 wherein a water level sensor is located in the water storage tank.
6. The refrigerator of claim 3, wherein the air inlet of the air inlet pipe is provided with a filter.
7. The refrigerator of claim 1, wherein a humidity sensor, a temperature sensor and an air pressure sensor are installed in the fresh-keeping cabinet.
8. The refrigerator according to claim 3, wherein a cabinet is disposed below the fresh-keeping cabinet and the freezer, the refrigerant compressor, the condenser, the capillary tube, the external fan, the vacuum pumping module, and the water storage tank are housed and installed in the cabinet, a control panel is further disposed on the fresh-keeping cabinet or the freezer, a display screen and control keys for controlling the sterilization module, the refrigeration module, the vacuum pumping module, and the humidification module are integrated on the control panel, and support legs are disposed at the bottom of the cabinet.
9. The super-long-acting sterilization vacuum moisturizing and fresh-keeping refrigerator as claimed in claim 1,
a manual vacuum pressure release valve is arranged on the upper cabinet door, and the inside and the outside of the heat-insulating airtight cavity can be in an isobaric state by starting the vacuum pressure release valve;
and/or
A microswitch is arranged at the opening and closing position of a door frame of the upper cabinet door and linked with the opening and closing of the vacuumizing module, when the upper cabinet door is opened, the microswitch is switched off to ensure that the vacuumizing module is not started, and when the upper cabinet door is closed, the microswitch is switched on to ensure that the vacuumizing module is started;
and/or
An airtight seal is arranged on the periphery of the upper cabinet door;
and/or
The upper cabinet door is a leaf and is pivoted with the fresh-keeping cabinet.
10. The refrigerator of claim 1, wherein the fresh-keeping cabinet is provided with a removable grid plate along the height direction thereof; the front side of the freezer cabinet is matched with a middle cabinet door, and a freezer pipe is installed in the freezer cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020172988.0U CN211695558U (en) | 2020-02-14 | 2020-02-14 | Super-long-effect sterilization vacuum moisturizing fresh-keeping refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020172988.0U CN211695558U (en) | 2020-02-14 | 2020-02-14 | Super-long-effect sterilization vacuum moisturizing fresh-keeping refrigerator |
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| CN211695558U true CN211695558U (en) | 2020-10-16 |
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| CN202020172988.0U Expired - Fee Related CN211695558U (en) | 2020-02-14 | 2020-02-14 | Super-long-effect sterilization vacuum moisturizing fresh-keeping refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114468039A (en) * | 2022-03-23 | 2022-05-13 | 长虹美菱股份有限公司 | Food color protection and fresh-keeping method and refrigerator |
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2020
- 2020-02-14 CN CN202020172988.0U patent/CN211695558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114468039A (en) * | 2022-03-23 | 2022-05-13 | 长虹美菱股份有限公司 | Food color protection and fresh-keeping method and refrigerator |
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Granted publication date: 20201016 Termination date: 20220214 |