CN213300556U

CN213300556U - A kind of refrigerator

Info

Publication number: CN213300556U
Application number: CN202021151648.6U
Authority: CN
Inventors: 冯泽中; 罗光华; 朱建高; 张善房; 颜廷欣
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-05-28
Anticipated expiration: 2031-02-04

Abstract

The utility model relates to a refrigerator technical field that keeps fresh discloses a refrigerator, it includes the low temperature storeroom and opens or close the door body of storeroom, still include vacuum box and vacuum control device, the vacuum box sets up in the low temperature storeroom, vacuum control device is connected to the vacuum box, extract and keep in order to control the vacuum, through set up vacuum box and vacuum control device in the refrigerator, vacuum in the fine control vacuum box makes food isolation air, food is in the vacuum, under the environment of oxygen deficiency, the speed greatly reduced of oxidation, but furthest's keep food new freshness, reach the purpose of food long-term storage.

Description

A kind of refrigerator

Technical Field

The utility model relates to an air conditioner technical field especially relates to a refrigerator.

Background

In recent years, people's health consciousness is gradually improved, the demand for food preservation is also improved, the preservation time requirement for various fruits, vegetables, meat products or easily-polluted living goods such as medicines and tea leaves is longer, the refrigerator serves as the most commonly used household appliance for storing food, and the purpose of heat preservation is achieved by reducing the ambient temperature of the food, but the low-temperature preservation mode of the existing refrigerator is usually short in corrosion prevention and preservation time, the preservation time does not exceed one week, the preservation effect is poor, the requirements for meat, fruits and vegetables preservation cannot be met, and in the preservation technology of the refrigerator, oxygen is closely related to the oxidation and respiration of the food in the refrigerator. The slower the food is breathed, the lower the oxidation effect of the food is, the longer the preservation time is, the oxygen content in the storage space is reduced, and the preservation effect on the food is obvious, so people hope to provide a low-temperature and low-oxygen environment, such as vacuum preservation, the vacuum preservation technology mainly adopts an air pressure control mode, namely, the food cooling speed is accelerated through a vacuumizing mode, and meanwhile, the spoilage of microorganisms to the food is inhibited, and the purpose of prolonging the preservation time is achieved. In the prior art, a vacuum bag or a fresh-keeping drawer is usually adopted for fresh keeping, a vacuum bag is adopted for fresh keeping, a vacuumizing sealing machine needs to be additionally arranged, when food is stored each time, the food needs to be sealed on the vacuumizing sealing machine and then placed in a refrigerator, the method needs to be operated at other places except the refrigerator, other equipment except the refrigerator needs to be used, and the operation is very inconvenient; the preservation drawer is adopted for preserving freshness, and the drawer and the like are in a rigid structure, so that the vacuum state is kept, the requirement on the sealing performance of the preservation drawer is high, the structure is complex, and the cost is high.

SUMMERY OF THE UTILITY MODEL

In some embodiments of this application, provide a refrigerator, it includes the low temperature storeroom and opens or close the door body of storeroom, still includes vacuum box and vacuum control device, and vacuum box sets up in the low temperature storeroom, and vacuum control device is connected to the vacuum box, and control vacuum extraction and keep have solved the problem that current refrigerator fresh-keeping effect is poor and fresh-keeping time is short.

In some embodiments of this application, improve the vacuum fresh-keeping mode, place in the vacuum box through the food that will treat fresh-keeping, and then take out to the vacuum state in with the vacuum box through the vacuum control device who is connected with the vacuum box, a food isolation air is provided, at the negative pressure, the low oxygen environment, thereby reach and reduce food surface oxidation, restrain the microorganism and generate, effectively reduce the oxidation, rotten, moldy probability, it is longer to make food antiseptic fresh-keeping time, the effect is better, need not be with the help of other equipment, it is more convenient to operate, and manufacturing cost is lower.

In some embodiments of the present application, a refrigerator is disclosed, which includes: a low temperature storage chamber forming a low temperature storage space; the door body is used for opening or closing the low-temperature storage chamber;

the refrigerator further includes: the vacuum box is detachably connected in the low-temperature storage chamber to form a vacuum storage space; and the vacuum control device is connected with the vacuum box and controls the vacuum in the vacuum box to be extracted and maintained.

In some embodiments of the present application, the vacuum control apparatus comprises: the vacuum pump is detachably communicated with the vacuum box and is used for vacuumizing the vacuum box; the pressure switch is arranged in the vacuum box and is used for measuring the air pressure value in the vacuum box; the display panel is arranged on the door body, and the display panel is used for setting the state value of the air pressure in the vacuum box and displaying the current state of the vacuum box; and the vacuum pump, the pressure switch and the display panel are electrically connected to the control panel, the state value of the display panel and the pressure value of the pressure switch are converted into electric signals and are subjected to centralized processing, and the vacuum pump is controlled to work.

In some embodiments of the present application, the pressure switch comprises: the high-voltage switch and the low-voltage switch are arranged in the vacuum box and respectively correspondingly measure different pressure values in the vacuum box, and the high-voltage switch and the low-voltage switch are electrically connected with the control panel and convert the pressure measured by the high-voltage switch or the low-voltage switch into an electric signal.

In some embodiments of this application, the vacuum pump with be connected with the pipe between the vacuum box, just the sealed intercommunication of pipe one end the suction opening of vacuum pump, the pipe other end intercommunication the venthole of vacuum box, the pipe with be provided with the adapter between the venthole of vacuum box, the adapter with sealed intercommunication can be dismantled to the vacuum box.

In some embodiments of this application, be provided with on the display panel and control interface and display screen, control the state value of the atmospheric pressure in the interface setting vacuum box, control the interface electricity connect in the display screen, just control the interface with the display screen all electricity connect in the control panel, the display screen shows current state in the vacuum box and the operation data of control interface.

In some embodiments of the present application, the vacuum box includes a vacuum box cover and a vacuum box body, and the vacuum box cover sealing cover is disposed on the vacuum box body.

In some embodiments of the present application, a pressure relief valve is disposed on the vacuum box cover.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural view of a refrigerator according to an embodiment;

FIG. 2 is an inside view of a low temperature storage compartment of a refrigerator according to an embodiment;

FIG. 3 is a connection diagram of a vacuum box and a vacuum control device according to an embodiment;

FIG. 4 is a simplified electrical circuit connection diagram of a vacuum control device according to an embodiment.

Reference numerals:

100. a low temperature storage compartment; 200. a door body; 300. a vacuum box; 301. a vacuum box cover; 302. a pressure relief valve; 303. a vacuum box body; 304. an adapter; 401. a high voltage switch; 402. a low voltage switch; 500. a conduit; 600. a vacuum pump; 700. a control panel; 800. a display panel; 801. a display screen; 802. and (6) controlling an interface.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

According to some embodiments of the present application, as shown in fig. 1, 2 and 3, a refrigerator includes: the low-temperature storage chamber 100 is of a box body structure with one open end, the low-temperature storage chamber 100 forms a low-temperature storage space, the door body 200 is installed at the opening of the low-temperature storage chamber 100 and used for opening or closing the low-temperature storage chamber 100, when the door body 200 is closed, the low-temperature storage chamber 100 is in a closed state, the vacuum box 300 is detachably arranged in the low-temperature storage chamber 100, the vacuum box 300 comprises a vacuum box body 303 and a vacuum box cover 301, the vacuum box cover 301 is hermetically arranged on the vacuum box body 303 to form a vacuum sealed storage space, a pressure relief valve 302 is arranged on the vacuum box cover 301, the vacuum control device is connected with the vacuum box 300 to control the extraction and maintenance of vacuum in the vacuum box 300, the vacuum control device comprises a vacuum pump 600, a pressure switch, a display panel 800 and a control panel 700, and a conduit 500 is connected between, and the sealed suction opening that communicates vacuum pump 600 of pipe 500 one end, the venthole of pipe 500 other end intercommunication vacuum box 300 are provided with adapter 304 between the venthole of pipe 500 and vacuum box 300, and adapter 304 can be dismantled sealed intercommunication with vacuum box 300 and can dismantle the intercommunication to be used for giving vacuum box 300 evacuation, pressure switch includes: a high voltage switch 401 and a low voltage switch 402, the high voltage switch 401 and the low voltage switch 402 are both disposed in the vacuum box 300 to respectively correspond to different pressure values in the vacuum box 300, the high voltage switch 401 and the low voltage switch 402 are both electrically connected to the control board 700 to convert the pressure measured by the high voltage switch 401 or the low voltage switch 402 into an electrical signal to measure the air pressure value in the vacuum box 300, the display board 800 is disposed on the door 200, the display board 800 is disposed with an operation interface 802 and a display screen 801, the operation interface 802 is configured to set the state value of the air pressure in the vacuum box 300, the operation interface 802 is electrically connected to the display screen 801, the operation interface 802 and the display screen 801 are both electrically connected to the control board 700, the display screen 801 is configured to display the current state in the vacuum box 300 and the operation data of the control interface, the display board 800 is configured to set the state value of the air pressure in the, the control panel 700 converts the state value set by the display panel 800 and the pressure value of the pressure switch into electric signals and performs centralized processing to control the operation of the vacuum pump 600.

It should be noted that the whole process of refreshing food includes opening the refrigerator door 200, detaching the adapter 304 from the vacuum box 300, taking the vacuum box 300 out of the low temperature storage chamber 100, loading the food to be refreshed into the vacuum box 300, placing the vacuum box 300 with food in the low temperature storage chamber 100, installing the attaching head on the vacuum box 300, communicating the vacuum box 300 with the vacuum control device, setting the parameter of the state value of the air pressure in the vacuum box 300 through the control interface 802 of the display panel 800 according to the different food stored in the vacuum box 300 and the different required air pressure, the state value of the air pressure including the preset air pressure value, receiving the electric signal of the parameter set by the display panel 800 by the control panel 700, transmitting the received electric signal to the vacuum pump 600, simultaneously starting the vacuum pump 600, extracting the air in the vacuum box 300 through the conduit 500 by the vacuum pump 600, the air pressure of the vacuum box 300 is gradually pumped to be close to a preset air pressure value, at the moment, the pressure switch is used for monitoring the current air pressure value in the vacuum box 300 in real time, the pressure signal is converted into an electric signal to be transmitted to the control panel 700 and transmitted to the display screen 801 through the control panel 700, the display screen 801 converts the received electric signal into a digital signal, the current internal state of the vacuum box 300 is displayed on a screen, when the pressure switch monitors that the pressure value in the vacuum box 300 reaches the preset pressure value, the pressure switch transmits the electric signal to the control panel 700, the control panel 700 controls the vacuum pump 600 to stop working, and the effect of keeping food fresh in a low-temperature vacuum environment is achieved.

In addition, the vacuum box 300 is designed to be split so as to facilitate the putting in and taking out of food to be preserved, and a pressure release valve 302 is arranged on the vacuum box cover 301 so as to facilitate the opening of the vacuum box cover 301.

One specific embodiment of this application, as shown in fig. 3, be connected with pipe 500 between vacuum pump 600 and the vacuum box 300, and the sealed suction hole that communicates vacuum pump 600 of pipe 500 one end, the venthole of the vacuum box 300 of pipe 500 other end intercommunication, be provided with adapter 304 between the venthole of pipe 500 and vacuum box 300, adapter 304 can dismantle sealed intercommunication with vacuum box 300, vacuum box 300 includes vacuum box lid 301 and vacuum box body 303, vacuum box body 303 is located to vacuum box lid 301 sealed lid, be provided with relief valve 302 on the vacuum box lid 301.

It should be noted that the adapter 304 facilitates the detachment of the vacuum box 300 from the vacuum control device, the vacuum box 300 is conveniently taken out from the low-temperature storage chamber 100, the vacuum box 300 is provided with a box cover, and the split design facilitates the placement and the taking out of food into the vacuum box 300.

In one embodiment of the present invention, high voltage switch 401 and low voltage switch 402 are both disposed within vacuum box 300.

It should be noted that, the pressure switches are set as the high-voltage switch 401 and the low-voltage switch 402, so as to increase the accuracy of monitoring the pressure value in the vacuum box 300, the detection circuit of the pressure switch signal is shown in fig. 4, and the signal detection process is that when neither the high-voltage switch 401 nor the low-voltage switch 402 is turned on, it indicates that the air pressure in the vacuum box 300 is within the target range, and the vacuum pump 600 does not work; when the high-voltage switch 401 is turned on, it indicates that the air pressure value in the vacuum box 300 is greater than the target value, the control board 700 drives the vacuum pump 600 to operate, and starts to pump the vacuum box 300 until the low-voltage switch 402 detects that the air pressure in the vacuum box 300 reaches the preset pressure value, and the vacuum pump 600 stops operating, and so on, to ensure that the air pressure in the vacuum box 300 is maintained within a certain pressure range.

In a specific embodiment of the present invention, as shown in fig. 4, a circuit on the control board 700 for receiving a pressure switch signal converts a detected pressure signal into an electrical signal through the high-voltage switch 401 and the low-voltage switch 402 and transmits the electrical signal to the control board 700, the control board 700 transmits the received electrical signal to the vacuum pump 600 to control the vacuum pump 600 to operate, when the high-voltage switch 401 detects that the air pressure in the vacuum box 300 reaches the limit value of the high-voltage switch 401, it indicates that the air pressure value in the vacuum box 300 exceeds a preset value, the control board 700 receives the electrical signal of the high-voltage switch 401, and simultaneously drives the vacuum pump 600 to operate to start to vacuumize; in the process of vacuumizing, the pressure switch monitors the air pressure value in the vacuum box 300 in real time, when the low-pressure switch 402 detects that the air pressure in the vacuum box 300 reaches the limit value of the low-pressure switch 402, the air pressure value in the vacuum box 300 is lower than the preset value, meanwhile, the control panel 700 drives the vacuum pump 600 to stop working and stops vacuumizing the vacuum box 300, and the control panel 700 can control the vacuum pump 600 to work according to the pressure value detected by the pressure switch, so that the pressure in the vacuum box 300 is automatically controlled.

It should be noted that the limit value of the high voltage switch 401 can be preset through the control interface 802 of the display panel 800, but the limit value of the high voltage switch 401 does not exceed the standard atmospheric pressure value of the outside air, the limit value of the low voltage switch 402 can also pass through the control interface 802 of the display panel 800, but the limit value of the low voltage switch 402 does not exceed the maximum power of the vacuum pump 600 and in the state of continuous operation, the minimum value of the atmospheric pressure reached in the vacuum box 300, when the atmospheric pressure in the vacuum box 300 is higher than the limit value of the high voltage switch 401, the vacuum pump 600 starts to operate, the atmospheric pressure value in the vacuum box 300 continuously decreases until the atmospheric pressure value in the vacuum box 300 decreases to be less than the limit value of the low voltage switch 402, the vacuum pump 600 stops operating, at this time, the atmospheric pressure value in the vacuum box 300 will slowly increase due to the influence of the sealing effect, the vacuum pump 600 does not work, the energy is saved, until the air pressure in the vacuum box 300 is recovered to exceed the limit value of the high-voltage switch 401, the vacuum pump 600 starts to work, and the air pressure in the vacuum box 300 is pumped to the limit value of the low-voltage switch 402.

In a specific embodiment of the present invention, a conduit 500 is connected between the vacuum pump 600 and the vacuum box 300, an adapter 304 is disposed between the conduit 500 and the air outlet of the vacuum box 300, and the adapter 304 is detachably and hermetically communicated with the vacuum box 300.

It should be noted that the adapter 304 is arranged between the vacuum box 300 and the conduit 500, so that the effect of convenient detachment is achieved, on the other hand, food is placed in the vacuum box 300, the vacuum box is vacuumized through the vacuum control device, the conduit 500 is pulled out at the moment, the vacuum box 300 is taken out from the low-temperature storage chamber 100, the vacuum box 300 is still in a vacuum state at the moment, and a user can move the vacuum box 300 at will according to needs, so that the vacuum box 300 is convenient to carry.

According to the first design of this application, improve the vacuum fresh-keeping mode, place in the vacuum box through the food that will treat fresh-keeping, and then take out to the vacuum state in with the vacuum box through the vacuum control device who is connected with the vacuum box, a food isolation air is provided, negative pressure, the low oxygen environment, thereby reach and reduce food surface oxidation, restrain the microbial generation, effectively reduce the oxidation, rotten, moldy probability, it is longer to make food antiseptic fresh-keeping time, the effect is better, need not be with the help of other equipment, it is more convenient to operate, and manufacturing cost is lower.

According to the second concept of the application, the pressure switch is used for monitoring the air pressure value in the vacuum box in real time, the pressure switch is arranged in the vacuum box and is divided into a high-voltage switch and a low-voltage switch, the accuracy of monitoring the pressure value in the vacuum box is improved, the limit value of the high-voltage switch and the limit value of the low-voltage switch are preset through the control interface of the display panel, when the high-voltage switch detects that the air pressure in the vacuum box reaches the limit value of the high-voltage switch, the air pressure value in the vacuum box exceeds the preset value, the control panel receives an electric signal of the high-voltage switch, simultaneously drives; in the process of vacuumizing, the pressure switch monitors the air pressure value in the vacuum box in real time, when the low-voltage switch detects that the air pressure in the vacuum box reaches the limit value of the low-voltage switch, the air pressure value in the vacuum box is lower than the preset value, meanwhile, the control panel drives the vacuum pump to stop working, vacuumizing of the vacuum box is stopped, the range from the limit value of the low-voltage switch to the limit value of the high-voltage switch belongs to the range of the fresh-keeping air pressure value, the vacuum pump does not work, and the effect of saving energy is achieved.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A refrigerator, characterized by comprising:

a low temperature storage chamber forming a low temperature storage space;

the door body is used for opening or closing the low-temperature storage chamber;

the refrigerator further includes:

the vacuum box is detachably connected in the low-temperature storage chamber to form a vacuum storage space;

and the vacuum control device is connected with the vacuum box and controls the vacuum in the vacuum box to be extracted and maintained.

2. The refrigerator according to claim 1, wherein the vacuum control means comprises:

the vacuum pump is detachably communicated with the vacuum box and is used for vacuumizing the vacuum box;

the pressure switch is arranged in the vacuum box and is used for measuring the air pressure value in the vacuum box;

the display panel is arranged on the door body, sets a state value of air pressure in the vacuum box and displays the current state in the vacuum box;

and the vacuum pump, the pressure switch and the display panel are electrically connected to the control panel, the state value of the display panel and the pressure value of the pressure switch are converted into electric signals and are subjected to centralized processing, and the vacuum pump is controlled to work.

3. The refrigerator of claim 2, wherein the pressure switch comprises: the high-voltage switch and the low-voltage switch are arranged in the vacuum box and respectively correspondingly measure different pressure values in the vacuum box, and the high-voltage switch and the low-voltage switch are electrically connected with the control panel and convert the pressure measured by the high-voltage switch or the low-voltage switch into an electric signal.

4. The refrigerator as claimed in claim 2, wherein a conduit is connected between the vacuum pump and the vacuum box, one end of the conduit is hermetically communicated with the suction hole of the vacuum pump, the other end of the conduit is communicated with the air outlet hole of the vacuum box, an adapter is arranged between the conduit and the air outlet hole of the vacuum box, and the adapter is detachably and hermetically communicated with the vacuum box.

5. The refrigerator according to claim 2, wherein the display panel is provided with an operation interface and a display screen, the operation interface sets a state value of air pressure in the vacuum box, the operation interface is electrically connected to the display screen, the operation interface and the display screen are both electrically connected to the control panel, and the display screen displays a current state in the vacuum box and operation data of the operation interface.

6. The refrigerator as claimed in claim 1, wherein the vacuum box includes a vacuum box cover and a vacuum box body, and the vacuum box cover sealing cover is provided to the vacuum box body.

7. The refrigerator according to claim 6, wherein a pressure relief valve is provided on the vacuum box cover.