CN114061222A

CN114061222A - Refrigerator

Info

Publication number: CN114061222A
Application number: CN202010771179.6A
Authority: CN
Inventors: 赵晓军; 冯超逸; 肖长亮; 许粤海
Original assignee: Hisense Ronshen Guangdong Freezer Co Ltd; Qingdao Hisense Commercial Cold Chain Co Ltd
Current assignee: Hisense Ronshen Guangdong Freezer Co Ltd; Qingdao Hisense Commercial Cold Chain Co Ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2022-02-18

Abstract

The invention relates to the technical field of refrigeration equipment, and discloses a refrigerator which comprises a box body, an air duct panel, a vacuum box and a vacuumizing system. The box body is provided with a refrigerating chamber; the air duct panel is arranged in the refrigerating chamber; the vacuum box is detachably connected in the refrigerating chamber, and one side of the vacuum box, which is close to the air duct panel, is provided with an air suction port; the vacuum pumping system comprises a vacuum pump assembly and a vacuum connector, the vacuum pump assembly is connected with the vacuum connector, the vacuum pump assembly is integrated on one side of the air duct panel, which deviates from the vacuum box, the vacuum connector is arranged on the air duct panel, and the vacuum connector is opposite to the air pumping port and is matched with the air pumping port in a positioning mode. The refrigerator provided by the invention has a simple structure, and can save the effective storage space of the refrigerator.

Description

Refrigerator

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator.

Background

The preservation technology is the mainstream technology of the current food storage, wherein the vacuum preservation is mainly based on a preservation method for reducing the oxygen content, keeping the gas components in a desired condition and slowing down the food deterioration rate.

Vacuum preservation is generally achieved by a vacuum device which is placed in a freezer so that the preserved food is stored in a low temperature environment. The vacuum device comprises a vacuum box and a vacuum-pumping system, the vacuum-pumping system is large in size, occupies a large space of the freezer, and reduces the effective storage space of the freezer.

Disclosure of Invention

The purpose of the invention is: the utility model provides a freezer, its simple structure can practice thrift the effective storage space of refrigerator-freezer.

In some embodiments of the present application, the present invention provides a refrigerator, which includes a box body, an air duct panel, a vacuum box and a vacuum system, wherein the box body has a refrigerating chamber, the air duct panel is disposed in the refrigerating chamber, the vacuum box is detachably connected in the refrigerating chamber and connected to the vacuum system, the vacuum system is integrated on the air duct panel, and the vacuum box is separated from the vacuum system and integrated on the air duct panel, so as to save a refrigerating space of the refrigerating chamber.

In some embodiments of this application, the extraction opening has been seted up to one side that the vacuum box that provides is close to the wind channel panel, and vacuum pumping system passes through the extraction opening and links to each other with the vacuum box to carry out the evacuation to the vacuum box.

In some embodiments of the present application, the vacuum pumping system that provides includes vacuum pump subassembly and vacuum joint, and vacuum pump subassembly links to each other with vacuum joint, and vacuum pump subassembly integration deviates from one side of vacuum box at the wind channel panel, and vacuum joint sets up on the wind channel panel, and vacuum joint is relative with the extraction opening position, and location fit, and through the location butt joint of vacuum joint and extraction opening, the realization is taken out vacuum system and is linked to each other of vacuum box.

In some embodiments of the present application, a vacuum pump assembly is provided, which includes a mounting seat and a pump body, wherein one side of the mounting seat is fixedly connected to one side of the air duct panel away from the vacuum box; and the pump body is arranged on the other side of the mounting seat and is arranged on the air duct panel through the mounting seat.

In some embodiments of this application, the evacuation system that provides still includes the pipeline, and pipeline fixed connection is in the one side that the wind channel panel deviates from the vacuum box, and the one end of pipeline links to each other with the pump body, and the other end of pipeline links to each other with vacuum joint, and the pump body passes through pipeline and vacuum joint intercommunication to the realization pump body is bled to the vacuum box.

In some embodiments of the present application, the vacuum pumping system further comprises a check valve, and the check valve is connected to the pipeline and can timely block the backflow of the gas in the pipeline.

In some embodiments of the present application, the vacuum pumping system further comprises a pressure relief valve installed on the pipeline for ensuring that the pressure inside the vacuum joint is balanced with the external pressure.

In some embodiments of the present application, the vacuum pumping system further includes a three-way joint, the three-way joint is connected to the pipeline, the three-way joint has an outlet end, a first inlet end and a second inlet end, the check valve is arranged at a position of the three-way joint close to the outlet end, the first inlet end is communicated with the vacuum joint, the second inlet end is communicated with the pressure release valve, and the three-way joint divides the gas path into three sections, which is beneficial to controlling the flowing direction of the gas at any time.

In some embodiments of this application, vacuum pumping system still includes the controller, and the controller is installed in one side that the wind channel panel deviates from the vacuum box to be connected with relief valve, check valve electricity respectively, can control the operating condition of relief valve and check valve.

In some embodiments of the present application, the vacuum pumping system further comprises a pressure sensor disposed on the vacuum connector and electrically connected to the controller for detecting the pressure of the entire system.

In some embodiments of the present application, the vacuum pumping system further includes a vacuum joint seat, the vacuum joint seat is fixedly installed on one side of the air duct panel departing from the vacuum box, and the vacuum joint is installed on the vacuum joint seat.

In some embodiments of the present application, the refrigerator further includes a position detection device, the position detection device is installed on the vacuum connector base, and the position detection device is electrically connected to the controller and is used for detecting the position of the vacuum box.

In some embodiments of the present application, the refrigerator further includes a shelf disposed in the refrigerating chamber, the vacuum box is detachably connected to an upper surface of the shelf, and the shelf is used for placing the vacuum box and providing a placing position for the vacuum box.

In some embodiments of this application, be equipped with two spacing baffles on the shelf, be formed with the spacing passageway that supplies the vacuum box to pass through between each spacing baffle for the vacuum box can only slide in spacing passageway, through the slip direction of control vacuum box, so that the user aims at vacuum joint with the extraction opening on the vacuum box.

Compared with the prior art, the refrigerator provided by the invention has the beneficial effects that: according to the invention, the vacuum box and the vacuum-pumping system in the vacuum device are separated, and the vacuum-pumping system is integrated on the air duct panel, so that the refrigerating chamber does not need to be separately provided with the vacuum-pumping system, and the structure of the freezer is optimized. And the vacuumizing system is arranged on one side of the air duct panel, which is far away from the vacuum box, so that the refrigerating chamber does not occupy the storage space of the refrigerating chamber, and the capacity of the refrigerating chamber can be improved.

Drawings

Fig. 1 is a perspective view of a refrigerator cabinet according to an embodiment of the present invention;

fig. 2 is a perspective view of a cooler (not including a vacuum box) according to an embodiment of the present invention;

fig. 3 is a perspective view of a refrigerator (not including a case) in a front side direction according to an embodiment of the present invention;

fig. 4 is a perspective view of a refrigerator (excluding a cabinet) according to an embodiment of the present invention in a rear direction;

FIG. 5 is a schematic view of the vacuum system, vacuum box and shelf connections of an embodiment of the present invention;

fig. 6 is an exploded view of the vacuum pumping system, vacuum box and shelf of an embodiment of the present invention.

In the figure, 1, a box body; 2. an air duct panel; 3. a vacuum box; 4. an air extraction opening; 5. a vacuum pumping system; 51. a vacuum pump assembly; 511. a mounting seat; 512. a pump body; 52. a vacuum joint; 53. a pipeline; 54. a one-way valve; 55. a three-way joint; 56. a pressure relief valve; 57. a controller; 58. a pressure sensor; 59. a vacuum joint base; 6. a shelf; 7. a spacing clapboard; 8. a limiting channel; 9. a position detection device; 10. and (5) sealing rings.

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", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements 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.

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.

It should be noted that, in the present application, one side of the air duct panel close to the vacuum box is referred to as a first surface of the air duct panel, and one side of the air duct panel away from the vacuum box is referred to as a second surface of the air duct panel.

The refrigerator can be divided into a refrigerator, a hall bar, and the like. The freezer structure that this application provided can be applicable to in any type of freezer.

Wherein the freezer generally includes a compressor, a condenser, and an evaporator. The compressor compresses a refrigerant gas in a high-temperature and high-pressure state, and discharges the compressed refrigerant vapor. The refrigerant vapor is adiabatically compressed by the compressor and then changed into high-temperature and high-pressure vapor, and the vapor enters the condenser. The condenser condenses the refrigerant vapor, changes the vapor to a low-temperature liquid refrigerant, and dissipates heat to the surrounding medium. The refrigerant of high pressure and low temperature is throttled and converted into refrigerant vapor of low temperature and low pressure, and enters the evaporator. The evaporator evaporates the refrigerant, absorbs heat of the surrounding medium, and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator achieves a cooling effect by heat exchange with a material to be cooled using latent heat of evaporation of a refrigerant.

The refrigerator is provided with a refrigerating chamber and an air duct, wherein the air duct is formed by enclosing an air duct panel 2, and the air duct panel 2 is arranged in the refrigerating chamber. The air duct is provided with a fan, the air duct panel 2 is provided with a freezing air outlet, and the freezing air outlet is provided with a freezing air door.

As shown in fig. 1 to 6, a refrigerator according to a preferred embodiment of the present invention includes a box body 1 and the above-mentioned air duct panel 2, the box body 1 has a refrigerating chamber, and the air duct panel 2 is disposed in the refrigerating chamber.

This freezer has the fresh-keeping function in vacuum, therefore the freezer still includes

vacuum box

3, and 3 detachably of vacuum box connect in the freezer, and the person of facilitating the use can take out vacuum box 3 from the freezer at any time. The vacuum box 3 is placed in a refrigerator to ensure that food is stored in a low temperature environment. The vacuum box 3 is internally provided with a containing cavity for placing food.

In order to evacuate the vacuum box 3 for keeping food in the vacuum box 3 fresh in vacuum, the freezer further comprises a vacuum-pumping system 5. The vacuumizing system 5 comprises a vacuum pump assembly 51 and a vacuum joint 52, the vacuum pump assembly 51 is connected with the vacuum joint 52, the vacuum pump assembly 51 is integrated on one side of the air duct panel 2 departing from the vacuum box 3, namely, the second surface of the air duct panel 2, the vacuum joint 52 is arranged on the air duct panel 2, the vacuumizing system 5 is ensured not to occupy the storage space of a refrigerating chamber, more foods can be frozen by the refrigerator, and the refrigerating capacity of the refrigerator is increased.

As shown in fig. 6, an air suction opening 4 is opened at one side of the vacuum box 3 close to the air duct panel 2. The vacuum connector 52 is opposite to the position of the pumping port 4 and is positioned and matched with the pumping port. This application separates vacuum box 3 and vacuum pumping system 5, utilizes vacuum joint 52 among the vacuum pumping system 5 to correspond and the complex characteristics with extraction opening 4, is connected through vacuum joint 52 and 4 detachably of extraction opening, realizes vacuum box 3 and vacuum pumping system 5's detachably and connects, and at this moment, one side of vacuum box 3 and the first surface butt of wind channel panel 2. When the vacuum box 3 needs to be vacuumized, only the air suction port 4 needs to be aligned and connected to the vacuum connector 52, and the use is convenient.

The vacuum pump assembly 51 includes a mounting base 511 and a pump body 512. One side of the mounting seat 511 is fixedly connected to one side of the air duct panel 2 departing from the vacuum box 3. The pump body 512 is mounted on the other side of the mounting base 511 by means of screw connection. The pump body 512 is connected to the second surface of the air duct panel 2 through the mounting seat 511, so as to ensure the connection between the pump body 512 and the air duct panel 2 to be tight.

In some embodiments, the pump body 512 may be a vacuum pump. In practical applications, other kinds of pumps can be selected, and the pump is not limited to this example.

The vacuum-pumping system 5 further comprises a pipe 53, and the pipe 53 is fixedly connected to a side of the air duct panel 2 away from the vacuum box 3, that is, a second surface of the air duct panel 2. One end of the pipe 53 is connected to the pump body 512, and the other end of the pipe 53 is connected to the vacuum connector 52. The pipeline 53 is used for communicating the pump body 512 with the vacuum connector 52, and is connected with the pumping port 4 through the vacuum connector 52, so that the pump body 512 can pump gas from the vacuum box 3.

The evacuation system 5 further comprises a check valve 54, the check valve 54 being connected to the conduit 53 for blocking a backflow of gas in the conduit 53.

The vacuum pumping system 5 further comprises a pressure release valve 56, wherein the pressure release valve 56 is installed on the pipeline 53 and used for releasing the excessive gas in the pipeline 53 to ensure that the pressure in the vacuum joint 52 is balanced with the pressure in the external environment, so that a user can take out the vacuum box 3 conveniently.

In order to ensure the smooth pipeline, simultaneously enable the gas in the pipeline 53 to be blocked and sucked, and facilitate the user to change the gas path direction, the vacuum pumping system 5 further comprises a three-way joint 55, the three-way joint 55 is connected to the pipeline 53, the three-way joint 55 has an outlet end, a first inlet end and a second inlet end, the one-way valve 54 is arranged at a position of the three-way joint 55 close to the outlet end, the first inlet end is communicated with the vacuum joint 52, and the second inlet end is communicated with the pressure relief valve 56.

When the vacuum pumping is required, the check valve 54 is opened, the pump body 512 starts to pump the gas in the vacuum box 3, and the gas is sucked out from the pumping port 4 and is sucked into the pump body 512 through the first inlet end and the outlet end in sequence.

When the vacuum box 3 needs to be taken out, the check valve 54 is closed, the relief valve 56 is opened, so that air enters the vacuum connector 52 from the second inlet end through the first inlet end, the air pressure in the vacuum connector 52 is the same as the atmospheric pressure, and a user can conveniently separate the suction opening 4 from the vacuum connector 52 so as to take out the vacuum box 3.

In addition, the vacuum pumping system 5 further comprises a controller 57, and the controller 57 is installed on a side of the air duct panel 2 facing away from the vacuum box 3 and is electrically connected with the check valve 54 and the pressure release valve 56 respectively. The controller 57 may be a main control board, and is used for controlling the opening and closing of the check valve 54 and the pressure relief valve 56, so as to realize the automatic operation of the whole vacuum pumping system 5.

In practical operation, the controller 57 may also be electrically connected to other external control panels, and the user operates the control panels to control the controller 57 so as to automatically open or close the check valve 54 and the relief valve 56.

The evacuation system 5 further includes a pressure sensor 58 disposed on the vacuum connector 52, the pressure sensor 58 being electrically connected to the controller 57. The pressure sensor 58 is used to detect the pressure of the vacuum connector 52 and feed back data to the controller 57.

The user can set a set pressure value in the vacuum connector 52 on the controller 57 in advance. The controller 57 controls the relief valve 56 to be opened, when the pressure sensor 58 detects that the pressure in the vacuum joint 52 reaches a set pressure value, data are fed back to the controller 57, the controller 57 controls the relief valve 56 to stop working, the one-way valve 54 is closed, backflow of gas in the pipeline 53 is blocked, and it is ensured that the pressure sensor 58 can monitor the pressure value of the vacuum joint 52 at any time.

In addition, the vacuum-pumping system 5 further comprises a vacuum connector base 59, the vacuum connector base 59 is fixedly installed on one side of the air duct panel 2, which faces away from the vacuum box 3, and the vacuum connector 52 is installed on the vacuum connector base 59. The vacuum connector 52 is mounted on the air duct panel 2 through a vacuum connector base 59, which ensures that the vacuum connector 52 can be connected and fastened with the air duct panel 2.

In some embodiments, the vacuum connector seat 59 and the vacuum connector 52 are sealingly connected by the sealing ring 10, and in other embodiments, the vacuum connector seat 59 and the vacuum connector 52 may be connected by other means.

The freezer in this application also includes a position detection device 9 mounted on the vacuum connector base 59, the position detection device 9 being electrically connected to the controller 57 for detecting the position of the vacuum box 3. When the suction opening 4 of the vacuum box 3 is butted with the vacuum connector 52, the vacuum box 3 is close to or butted against the air duct panel 2, the position detection device 9 detects the air duct panel 2 and feeds data back to the controller 57, and the controller 57 controls the pump body 512 to start running.

In some embodiments, the position detection device 9 may be a position sensor, and in other embodiments, the position detection device 9 may also be another sensing element.

The application provides a freezer still includes shelf 6, and shelf 6 sets up in the freezer, and vacuum box 3 detachably connects at the upper surface of shelf 6. The shelf 6 is used for placing the vacuum box 3 by a user, and the shelf 6 is used for carrying the vacuum box 3.

In some embodiments, two limiting partitions 7 are arranged on the shelf 6, and a limiting channel 8 for the vacuum box 3 to pass through is formed between the two limiting partitions 7. The vacuum box 3 can slide in the retaining channel 8 so that the user aligns the suction opening 4 on the vacuum box 3 with the vacuum connection 52 on the air duct panel 2.

In other embodiments, the shelf 6 may not have the limiting partition 7 thereon, and is not limited to the above examples.

The working principle of the invention is as follows: the vacuumizing system 5 is arranged on the second surface of the air duct panel 2 and hidden inside the air duct, so that the refrigerating space in the refrigerating chamber can be saved. The vacuum-pumping system 5 is separated from the vacuum box 3, and is aligned and connected through the pumping port 4 and the vacuum joint 52, so that the connection between the vacuum-pumping system 5 and the vacuum box 3 is realized.

The working process of the application is as follows: a set pressure value at which the vacuum joint 52 is separated from the suction port 4 is set in advance in the controller 57. The user first places the food in the receiving cavity in the vacuum box 3. The vacuum box 3 is placed in the limiting channel 8, and the limiting partition plates 7 positioned at two sides of the vacuum box 3 limit the position of the vacuum box 3. When the suction port 4 of the vacuum box 3 is aligned with and connected to the vacuum connector 52 of the air duct panel 2, the position detection device 9 detects the position of the vacuum box 3 and feeds a signal back to the controller 57. The controller 57 controls the check valve 54 to open and controls the pump body 512 to start operating. The pump body 512 draws air from the chamber, which enters the tee 55 at a first inlet end and exits at an outlet end. The pressure sensor 58 senses the pressure of the vacuum connection 52 in real time and feeds back data to the controller 57. When the pressure value detected by the pressure sensor 58 is smaller than the set pressure value, the controller 57 controls the pump body 512 to stop the vacuum pumping. When the vacuum box 3 needs to be taken out, the controller 57 controls the one-way valve 54 and the pump body 512 to be closed, the pressure relief valve 56 is opened, and air is filled into the vacuum connector 52 from the pressure relief valve 56, so that the pressure of the vacuum connector 52 is the same as the external atmospheric pressure, and the vacuum box 3 can be taken out conveniently.

To sum up, the embodiment of the invention provides a refrigerator, which has the following effects:

according to the first invention concept, the structure that the vacuum-pumping system is separated from the vacuum box is adopted, and the vacuum-pumping system is integrated on one side of the air duct panel, which is far away from the vacuum box, so that the vacuum-pumping system does not occupy the space of the refrigerating chamber, and the storage amount of the refrigerator is increased.

According to the second inventive concept, the vacuum joint and the suction port are oppositely positioned and are positioned and matched, so that the vacuum pumping system is detachably connected with the vacuum box.

According to the third inventive concept, the vacuum pumping system comprises a one-way valve, a pressure release valve and a three-way joint so as to change the direction of the airflow in the pipeline, the one-way valve is opened when vacuum pumping is needed, and the pressure release valve is opened when the vacuum box is needed to be taken out, so that the vacuum joint and the outside world can keep constant pressure.

According to the fourth inventive concept, the automation of inflation and vacuum pumping is realized by arranging a controller.

According to the fifth inventive concept, the position detection device is arranged to detect the position of the vacuum box in real time, and the position detection device is electrically connected with the controller, so that when the vacuum box is in butt joint with the vacuum joint, the controller can immediately control the vacuum pump assembly to perform vacuum pumping operation.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A refrigerator, comprising:

a cabinet having a refrigerating chamber;

an air duct panel provided in the refrigerating chamber;

the vacuum box is detachably connected in the refrigerating chamber, and one side of the vacuum box, which is close to the air duct panel, is provided with an air suction port; and

the vacuum pumping system comprises a vacuum pump assembly and a vacuum connector, the vacuum pump assembly is connected with the vacuum connector, the vacuum pump assembly is integrated on one side of the air duct panel, which deviates from the vacuum box, the vacuum connector is arranged on the air duct panel, and the vacuum connector is opposite to the air pumping opening and is matched with the air pumping opening in a positioning mode.

2. The refrigerator of claim 1 wherein the vacuum pump assembly comprises:

one side of the mounting seat is fixedly connected with one side of the air duct panel, which is far away from the vacuum box;

and the pump body is arranged on the other side of the mounting seat.

3. The cooler of claim 2, wherein said evacuation system further comprises:

the pipeline, pipeline fixed connection is in the wind channel panel deviates from one side of vacuum box, the one end of pipeline with the pump body links to each other, the other end of pipeline with vacuum joint links to each other.

4. The cooler of claim 3, wherein said evacuation system further comprises:

a check valve connected to the pipe; and

a pressure relief valve mounted on the conduit.

5. The cooler of claim 4, wherein said evacuation system further comprises:

the three-way joint is connected to the pipeline and provided with an outlet end, a first inlet end and a second inlet end, the one-way valve is arranged at a position, close to the outlet end, of the three-way joint, the first inlet end is communicated with the vacuum joint, and the second inlet end is communicated with the pressure release valve.

6. The cooler of claim 5, wherein said evacuation system further comprises:

and the controller is arranged on one side of the air duct panel, which deviates from the vacuum box, and is respectively electrically connected with the one-way valve and the pressure release valve.

7. The cooler of claim 6, wherein said evacuation system further comprises:

a pressure sensor mounted on the vacuum fitting, the pressure sensor being electrically connected to the controller.

8. The cooler of claim 1, wherein said evacuation system further comprises:

and the vacuum joint seat is fixedly arranged on one side of the air duct panel, which deviates from the vacuum box, and the vacuum joint is arranged on the vacuum joint seat.

9. The cooler of claim 8, further comprising:

and the position detection device is arranged on the vacuum joint seat, is electrically connected with the controller and is used for detecting the position of the vacuum box.

10. The cooler of any one of claims 1-9, further comprising:

and a shelf provided in the refrigerating chamber, the vacuum box being detachably attached to an upper surface of the shelf.