WO2021114470A1

WO2021114470A1 - Vacuum tank fresh-keeping refrigerating refrigerator

Info

Publication number: WO2021114470A1
Application number: PCT/CN2020/074585
Authority: WO
Inventors: 欧阳宝武; 欧阳扬洋
Original assignee: 枣庄宝武机电科技开发有限公司
Priority date: 2019-12-09
Filing date: 2020-02-10
Publication date: 2021-06-17
Also published as: CN113028706A

Abstract

Provided is a vacuum tank fresh-keeping refrigerating refrigerator, which comprises a vacuum pump, an air inlet valve, and an air outlet valve assembly (1); a vacuum pump electrical automatic control device assembly (2); a self-controlled vacuum valve (3); a vacuum main pipeline (4); an inner box and a pallet (5); an outer box (6); a heat preservation layer (7); a cylinder and a semi-spherical bottom vacuum tank (8); a silica gel gasket (9); a refrigerating chamber and door (10); a refrigerating fresh-keeping box (11); a freezing chamber and door (12); a freezing box (13); a refrigerating compressor (14); a refrigerating system electrical automatic control device assembly (15); an evaporator (16); a condenser (17); a drying filter (18); and a capillary (19). The vacuum tank fresh-keeping refrigerating refrigerator reduces the use of the evaporator (16), thereby shortening the working time of the refrigerating compressor (14), reducing the power consumption, and prolonging the fresh-keeping time of the vacuum tank fresh-keeping refrigerated food.

Description

Vacuum tank fresh-keeping refrigeration refrigerator

Technical field

The invention relates to a vacuum tank fresh-keeping refrigerating refrigerator for people's daily life.

Background technique

The existing refrigerators do not have the function of vacuum preservation and refrigeration.

Summary of the invention

The purpose of the present invention is to provide a vacuum tank fresh-keeping refrigerating refrigerator with the function of prolonging food fresh-keeping time.

The technical scheme of the present invention is: including vacuum pump and intake valve, exhaust valve assembly (1); vacuum pump electrical automatic control device assembly (2), compressor input line (2-1), compressor and vacuum pump share zero Line (2-2), refrigerator door touch switch (2-3), vacuum pump input live wire (2-4); automatic vacuum valve (3); vacuum main pipeline (4); inner box and pallet ( 5); Outer box (6); Insulation layer (7); Cylindrical and hemispherical bottom vacuum tank (8), hinge assembly (8-1), manual intake valve assembly (8-2), Hemispherical tank lid (8-3), hanging spring projection (8-4), extension spring (8-5), hook spring projection (8-6); silicone gasket (9); refrigerator compartment and door (10) ); refrigerated fresh-keeping box (11); freezer compartment and door (12); freezer box (13); refrigeration compressor (14); refrigeration system electrical automatic control device assembly (15); evaporator (16); condenser (17); Dry filter (18); Capillary tube (19); a cylindrical and hemispherical bottom vacuum tank (8) and hemispherical tank cover (8-3) made of pressure-resistant transparent plastics, handle and cylinder and Half of the hinge assembly (8-1) made of the same material as the hemispherical bottom vacuum tank (8) is welded to the upper left side of the cylindrical and hemispherical bottom vacuum tank (8), and the other half is welded to the hemispherical tank cover (8) —3) The upper right side, and make the cylindrical and hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) concentrically open and close; it is made of the same material as the cylindrical and hemispherical bottom vacuum tank (8) The hook spring projection (8-6) is welded to the lower left side of the cylindrical and hemispherical bottom vacuum tank (8), and the right end of the tension spring (8-5) is installed in the small hole of the hook spring projection (8-6); Weld the hanging spring bump (8-4) made of the same material as the hemispherical tank cover (8-3) on the lower left side of the hemispherical tank cover (8-3), and install the silicone gasket (9) concentrically on the cylinder and The left side of the hemispherical bottom vacuum tank (8); pull the left end of the tension spring (8-5) and hang it on the hanging spring protrusion (8-4) to make the cylindrical and hemispherical bottom vacuum tank (8) and the hemispherical tank The cover (8-3) is tightly sealed and buckled; the upper left end of the hemispherical tank cover (8-3) is processed with a through hole, and the through hole is concentrically welded with the hand-operated intake valve assembly (8— 2); After the valve housing (8-2-1) of the intake valve assembly (8-2) is concentrically sealed and welded to the through hole at the upper left end of the hemispherical tank cover (8-3), put the silicone ring (8-2-5), the valve stem (8-2-3), the small spring (8-2-4) are placed in the valve housing (8-2-1) concentrically in sequence, and the valve stem pressing cap (8 —2—2) Install and tighten concentrically; or use pressure-resistant transparent plastic molding to make a cylindrical and hemispherical bottom vacuum tank (8) half of the hinge assembly (8-1) on the upper left side and the hook spring protrusion on the lower left side (8-6); or the other half of the hinge assembly (8-1) on the upper right side of the hemispherical tank lid (8-3) and the hanging spring bump (8— 4) And valve housing (8-2-1); and vacuum pump, intake valve, exhaust valve One or more self-control vacuum valves (3), one or more self-control vacuum valves (3), and others are installed on the main vacuum pipe (4) that is connected to the air inlet pipe of (1) in a sealed connection. One end, respectively, and more than one corresponding cylindrical and hemispherical bottom vacuum tank (8) are in sealed communication with the hemispherical bottom. More than one cylindrical and hemispherical bottom vacuum tank (8) are respectively fixedly mounted on the corresponding inner box body and pallet (5) of the inner box body (9); the self-control vacuum valve (3) is made of strong plastic The upper center of the vacuum valve housing (3-1) is processed into a conical blind inner hole (3-1-2), and the lower left end of the vacuum valve housing (3-1) is processed into a left suction pipe (3- 1). 1-1), the lower right end of the vacuum valve housing (3-1) is processed into the right exhaust pipe (3-1-3), and the upper outer circle on the vacuum valve housing (3-1) is processed into an external screw ( 3-1-4); the lower part of the cone valve body (3-2) made of strong plastic, is processed into a concentric and closely matched cone with the conical blind inner hole (3-1-2); The middle part of the valve body (3-2) is processed into a flexible valve body cover piece (3-2-1), and the middle and upper part of the conical valve body (3-2) is processed into a spring seat (3-2-2). The top part of the cone valve body (3-2) is machined into bolts (3-2-4); the bottom part of the cone valve body (3-2) is machined into a spring boss (3-2-6), and the lower compression spring (3—2—7) Bottom-up concentric tightly fitted on the spring boss (3—2—6); concentrically install the sealing silicone gasket (3—3) on the upper part of the vacuum valve housing (3—1) After that, the processed and installed conical valve body (3-2), concentrically installed from top to bottom in the sealing silicone gasket (3-3) and the conical blind inner hole (3-1) on the vacuum valve housing (3-1) —1—2) After lining, use the internal thread gland (3-4) to concentrically fit the cone valve body (3-2) and fit into the external screw (3-1-4) on the vacuum valve housing (3-1) ) And tighten; after concentrically sleeve the upper compression spring (3-2-3) on the spring seat (3-2-2), and then concentrically sleeve the brass contact piece (3-5) into the bolt (3-2— 4) Press the inner pressure on the upper compression spring (3-2-3), and use two nuts (3-2-5) to concentrically screw on the bolts (3-2-4) and adjust the brass contact piece ( 3-5) Pressure lock; after installing a set of fixing connecting bolt assemblies (3-7) in the upper and left side holes of the connecting bolt mounting frame (3-6) made of strong plastic, The wire bolt installation frame (3-6) is concentrically and vertically sleeved on the left suction pipe (3-1-1) and right suction pipe (3-1-3) on both sides of the vacuum valve housing (3-1), then use The plastic welding gun is welded on the left exhaust pipe (3-1-1) and right exhaust pipe (3-1-3) on both sides, so that the fixed connecting bolt assemblies (3-7) on both sides are connected to the brass contact piece. (3-5) The left and right sides are in contact. After assembling, adjust the gap between the lower plane of the two nuts (3-5) and the upper plane of the brass contact piece (3-5) to be equal to the cone valve body (3-2) Move downwards to close the airway distance between the left suction pipe (3-1-1) and the right suction pipe (3-1-3). After the vacuum pump is input to the live wire (2-4) and the power live wire is connected, it is connected to one end of the refrigerator door touch switch (2-3) installed on the refrigerator compartment and the door (10), and the other end is connected to the self-control vacuum valve ( 3) is connected to the power connection (3-9), the vacuum pump connection (3-8) on the automatic vacuum valve (3) and the live wire connection on the vacuum pump electrical automatic control device assembly (2), and the compressor and The vacuum pump has a common zero line (2-2) connected to the zero line on the vacuum pump electrical automatic control device assembly (2) and the zero line on the refrigeration system electrical automatic control device assembly (15), and the compressor is input to the live line (2) —1) Connect to the live wire of the power supply, install a vacuum pump, intake valve, exhaust valve assembly (1) and vacuum pump electrical automatic control device assembly (2) in the lower part of the outer box (6); vacuum pump and intake air The valve and exhaust valve assembly (1), under the automatic control of the vacuum pump electrical automatic control device assembly (2) and the self-control vacuum valve (3), start vacuuming, and apply to more than one of the refrigerator compartment and the door (10) The cylinder covered with the hemispherical tank cover (8-3) and the hemispherical bottom vacuum tank (8) are automatically evacuated to a set vacuum of more than 100pa through a sealed and connected vacuum main pipeline (4).

The invention has the beneficial effects of reducing the use of the evaporator, thereby shortening the working time of the refrigeration compressor, reducing the power consumption, and prolonging the fresh-keeping time function of the vacuum tank to keep fresh and refrigerated food.

Description of the drawings

Fig. 1 is a schematic cross-sectional view of a gable of the outer box (7) of the present invention, Fig. 2 is a main cross-sectional view of the self-control vacuum valve (3), and Fig. 3 is a hand-switched intake valve assembly (8-2) Main section view.

The serial numbers of the parts in the figure are as follows: vacuum pump and intake valve, exhaust valve assembly (1); vacuum pump electrical automatic control device assembly (2), compressor input live wire (2-1), compressor and vacuum pump have a total of zero Line (2-2), refrigerator door touch switch (2-3), vacuum pump input live wire (2-4); automatic control vacuum valve (3), vacuum valve housing (3-1), left suction pipe (3) —1—1), cone blind inner hole (3-1-2), right suction pipe (3-1-3), external screw (3-1-4), cone valve body (3-2), valve body Round cover piece (3-2-1), spring seat (3-2-2), upper compression spring (3-2-3), bolt (3-2-4), nut (3-2-5) , Spring boss (3-2-6), lower compression spring (3-2-7), vacuum pump connection (3-8), power connection (3-9); main vacuum pipeline (4); inside Box body and pallet (5); outer box body (6); insulation layer (7); cylindrical and hemispherical bottom vacuum tank (8), hinge assembly (8-1), manual air intake valve assembly (8-2), valve housing (8-2-1), valve stem pressure cap (8-2-2), valve stem (8-2-3), small spring (8-2-4), silicone ring (8-2-5), hemispherical tank lid (8-3), hanging spring projection (8-4), extension spring (8-5), hook spring projection (8-6); silicone gasket (9) ); refrigerator compartment and door (10); refrigerated fresh-keeping box (11); freezer compartment and door (12); freezer box (13); refrigeration compressor (14); refrigeration system electrical automatic control device assembly (15); Evaporator (16); Condenser (17); Dry filter (18); Capillary tube (19).

DETAILED DESCRIPTION OF THE INVENTION In the embodiment of the present invention as shown in Fig. 1, the refrigerating container (11), the freezing box (13) and more than one cylindrical and hemispherical bottom vacuum tank in the assembled vacuum tank preservation refrigerator (8) All kinds of food are respectively filled in, and the left end of the tension spring (8-5) on more than one cylindrical and hemispherical bottom vacuum tank (8) is pulled up and hung on the hanging spring protrusion (8-4) , Make the cylindrical and hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) tightly sealed and buckle; after the vacuum pump is input into the live wire (2-4) and the power live wire is connected, and then installed in the refrigerator and One end of the refrigerator door touch switch (2—3) on the door (10) is connected, and the other end is connected to the power connection (3—9) on the self-controlled vacuum valve (3). The vacuum pump wire (3-8) is connected to the live wire on the vacuum pump electrical automatic control device assembly (2), and the compressor and the vacuum pump share a neutral wire (2-2) respectively on the vacuum pump electrical automatic control device assembly (2) The neutral wire and the neutral wire of the refrigeration system electrical automatic control device assembly (15) are connected, the compressor input live wire (2-1) and the power live wire are connected, and the refrigerator compartment and door (10) and the freezer compartment and door ( 12); Then after the main input power cord (2-1) is connected to the power source, the refrigeration system electrical automatic control device assembly (15) starts to automatically control the refrigeration compressor (14) to start the refrigeration work, the vacuum pump and the intake air The valve, exhaust valve assembly (1) and the vacuum pump electrical automatic control device assembly (2) are also turned on, and the cylindrical and hemispherical bottom vacuum tanks (8) and hemispherical tank lids (8) that are tightly buckled together are sealed together. —3) Perform vacuuming work. When the temperature in the refrigerator compartment and door (10) and the freezer compartment and door (12) reach the set temperature, the refrigeration compressor (14) will automatically stop; at this time, each tightly sealed buckle After the vacuum degree in the cylindrical and hemispherical bottom vacuum tank (8) and hemispherical tank cover (8-3) reaches the set vacuum, the vacuum pump, intake valve, and exhaust valve assembly (1) are also there. Automatically shut down under the control of the self-control vacuum valve (3). The low temperature in the refrigerating compartment and the door (10) is obtained by convection with the low-temperature cold air in the freezing compartment and the door (12). If you want to take the food in a tightly sealed cylindrical and hemispherical bottom vacuum tank (8) and hemispherical tank lid (8-3), you can open the refrigerator compartment and the door (10) to take the food The cylinder and hemispherical bottom vacuum tank (8) and the hemispherical tank lid (8-3) that are tightly buckled together in a tightly sealed air-intake valve assembly (8-2) are moved to one side for a few seconds. After air intake, you can take the pull spring (8-5), lift up the hemispherical can lid (8-3) and take out the food you need, and then cover the hemispherical can lid (8-3) to pull the tension spring (8-5) After pulling up the left end of) and hanging on the hanging spring projection (8-4), close the refrigerator compartment and door (10); at this time, the vacuum pump and the intake valve, exhaust valve assembly (1), the vacuum pump electrical automatic control Under the automatic control of the device assembly (2) and the self-control vacuum valve (3), turn on the cylinder and hemispherical bottom vacuum tank (8) and hemispherical tank lid ( 8-3) Carry out vacuuming.

Claims

A vacuum tank fresh-keeping refrigerating refrigerator, including an outer box body, an insulation layer, an inner box body, a cold storage room and a door, a cold storage box, a freezing room and a door, a freezer box, a refrigeration compressor, and an electrical automatic control device assembly for a refrigeration system , Evaporator, condenser, filter drier, capillary tube, characterized by: the cylindrical and hemispherical bottom vacuum tank (8) and hemispherical tank cover (8-3) are made of pressure-resistant transparent plastic, and the cylindrical One half of the hinge assembly (8-1) made of the same material as the hemispherical bottom vacuum tank (8) is welded to the upper left side of the cylindrical and hemispherical bottom vacuum tank (8), and the other half is welded to the hemispherical tank cover ( 8-3) The upper right side, and make the cylindrical and hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) concentrically open and close; the hemispherical tank cover (8-3) has a through hole at the upper left end , The hand-switching intake valve assembly (8-2) made of the same material welded concentrically with this through hole; vacuum pump and the intake pipe of the vacuum pump, the intake valve, and the exhaust valve assembly (1) are sealed and connected On the main pipeline (4), more than one self-control vacuum valve (3), one or more self-control vacuum valves (3), which are connected and sealed, are installed on the other end, respectively, and one or more corresponding cylinders and hemispheres. The hemispherical bottom of the vacuum tank (8) is sealed and communicated with each other. More than one cylindrical and hemispherical bottom vacuum tank (8) are respectively fixed to the corresponding inner box and pallet (5) of the inner box (9). ); After the vacuum pump is input to the live wire (2-4) and the power live wire is connected, it is connected to one end of the refrigerator door touch switch (2-3) installed on the refrigerator compartment and the door (10), and the other end is connected to the automatic control The power connection (3-9) on the vacuum valve (3) is connected, and the vacuum pump connection (3-8) on the automatic vacuum valve (3) is connected with the live wire on the vacuum pump electrical automatic control device assembly (2).
The vacuum tank fresh-keeping refrigeration refrigerator according to claim 1, characterized in that: hook spring bumps (8-6) made of the same material as the cylindrical and hemispherical bottom vacuum tank (8) are welded to the cylindrical and hemispherical On the lower left side of the bottom vacuum tank (8), install the right end of the tension spring (8-5) in the small hole of the hook spring protrusion (8-6); make the same material as the hemispherical tank lid (8-3) The hanging spring bump (8-4) is welded to the lower left side of the hemispherical tank cover (8-3), and the silicone gasket (9) is concentrically installed on the left side of the cylindrical and hemispherical bottom vacuum tank (8); the tension spring (8) The left end of —5) is pulled up and hung on the hanging spring protrusion (8-4), so that the cylindrical and hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) are tightly sealed and buckled.
The vacuum tank fresh-keeping refrigeration refrigerator according to claim 1, characterized in that: the valve housing (8-2-1) of the intake valve assembly (8-2) is concentrically sealed and welded to the hemispherical tank cover ( 8-3) After the upper left end of the through hole, put the silicone ring (8-2-5), valve stem (8-2-3), small spring (8-2-4) concentrically placed on the valve shell (8-2-5) in turn After —2—1), install and tighten the valve stem pressure cap (8—2—2) concentrically.
The vacuum tank fresh-keeping refrigeration refrigerator according to claim 1, characterized in that: the upper center of the vacuum valve housing (3-1) made of strong plastic for the self-control vacuum valve (3) is processed into a conical blind inner hole (3-1-2), the lower left end of the vacuum valve housing (3-1) is processed into a left suction pipe (3-1-1), and the lower right end of the vacuum valve housing (3-1) is processed into The right suction pipe (3-1-3), the upper outer circle of the vacuum valve housing (3-1) is processed into external screws (3-1-4); the cone valve body (3) is made of strong plastic —2) The lower part is processed into a cone that is concentric and closely fitted with the conical blind inner hole (3-1-2); the middle part of the cone valve body (3-2) is processed into a flexible valve body cover plate (3 —2—1), the upper middle part of the cone valve body (3-2) is machined into a spring seat (3-2-2), and the uppermost part of the cone valve body (3-2) is machined into a bolt (3-2—4) ; The lower part of the conical valve body (3-2) is processed into a spring boss (3-2-6), and the lower compression spring (3-2-7) is tightly fitted on the spring boss (3-2-7) from bottom to top. 3-2-6); After concentrically install the sealing silicone gasket (3-3) on the upper part of the vacuum valve housing (3-1), then install the processed and installed conical valve body (3-2), from top to bottom After installing the bottom concentrically in the sealing silicone gasket (3—3) and the conical blind inner hole (3-1—2) on the vacuum valve housing (3-1), use the internal thread gland (3—4) to concentrically set Tighten the outer screw (3-1-4) in the conical valve body (3-2) and fit into the vacuum valve housing (3-1); put the upper compression spring (3-2-3) on the spring seat concentrically (3—2—2) After mounting, put the brass contact piece (3—5) into the bolt (3—2—4) concentrically and press it on the upper compression spring (3—2—3), and use two Screw caps (3-2-5) concentrically on the bolts (3-2-4) and adjust the brass contact piece (3-5) for pressure locking; install with connecting bolts made of strong plastic After installing a set of fixing connecting bolt assemblies (3-7) in the holes on the left and right sides of the upper end of the frame (3-6), set the connecting bolt installation frame (3-6) concentrically and vertically on the vacuum valve housing (3-1 After the left exhaust pipe (3-1-1) and right exhaust pipe (3-1-3) on both sides of the ), use plastic welding torch to weld the left exhaust pipe (3-1-1) and right exhaust pipe on both sides On the air pipe (3-1-3), make the fixing connecting bolt assemblies (3-7) on both sides contact with the left and right sides of the brass contact piece (3-5). After assembly, adjust the two nuts (3 —2—5) The gap between the lower plane of the brass contact piece (3-5) and the upper plane of the brass contact piece (3-5) is equal to the conical valve body (3-2) moving downward to close the left suction pipe (3-1-1) The distance between the airway and the right air suction pipe (3-1-3).
The vacuum tank fresh-keeping and refrigerating refrigerator according to claim 1, characterized in that: the compressor and the vacuum pump share a zero line (2-2), respectively, and the zero line and the refrigeration system electrical on the vacuum pump electrical automatic control device assembly (2) The zero wire connection on the automatic control device assembly (15) connects the compressor input live wire (2-1) and the power live wire.
The vacuum tank fresh-keeping refrigerating refrigerator according to claim 1, characterized in that: a vacuum pump, intake valve, exhaust valve assembly (1) and vacuum pump electrical automatic control device are installed in the lower part of the outer box (6) Assembly (2); vacuum pump and intake valve, exhaust valve assembly (1), under the automatic control of vacuum pump electrical automatic control device assembly (2) and self-control vacuum valve (3) to start vacuuming and refrigerating In the chamber and door (10), one or more cylinders and hemispherical bottom vacuum tanks (8) covered with hemispherical tank lids (8-3) are automatically evacuated through a sealed and connected vacuum main pipeline (4) To the vacuum above the set 100pa.
The vacuum tank fresh-keeping and refrigerating refrigerator according to claim 1, characterized in that: the hinge assembly (8-1) on the upper left side of the vacuum tank (8) with a cylindrical and hemispherical bottom is integrally molded with pressure-resistant transparent plastic. And the hook spring protrusion (8-6) on the lower left side; or the other half and lower left side of the upper right hinge assembly (8-1) of the hemispherical tank lid (8-3) made of pressure-resistant transparent plastic. The hanging spring projection (8-4) and valve housing (8-2-1).