CN113028706A

CN113028706A - Vacuum tank fresh-keeping refrigerator

Info

Publication number: CN113028706A
Application number: CN201911252205.8A
Authority: CN
Inventors: 欧阳宝武; 欧阳扬洋; 欧阳玉珊
Original assignee: Zaozhuang Baowu Electromechanical Science & Technology Development Co ltd
Current assignee: Zaozhuang Baowu Electromechanical Science & Technology Development Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2021-06-25
Also published as: WO2021114470A1

Abstract

The invention discloses a vacuum tank fresh-keeping refrigeration refrigerator, which comprises a vacuum pump, an air inlet valve and an air outlet valve assembly (1); the vacuum pump electric automatic control device assembly (2) is used for automatically controlling the vacuum valve (3); a main vacuum-pumping pipeline (4); an inner box body and a supporting plate (5); an outer case (6); a heat-insulating layer (7); a cylindrical and hemispherical bottom vacuum tank (8); a silica gel gasket (9); a refrigerating chamber and a door (10); a refrigeration and preservation box (11); a freezer compartment and door (12); a freezing box (13); a refrigeration compressor (14); an electric automatic control device assembly (15) of the refrigeration system; an evaporator (16); a condenser (17); a drying filter (18); the vacuum tank fresh-keeping and refrigerating refrigerator assembled by the capillary tubes (19) and the like reduces the use of the evaporator, thereby shortening the working time of a refrigerating compressor, reducing the power consumption and prolonging the fresh-keeping time function of the vacuum tank fresh-keeping and refrigerating food.

Description

Vacuum tank fresh-keeping refrigerator

Technical Field

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

Background

The existing refrigerator has no vacuum fresh-keeping and cold-storage function.

Disclosure of Invention

The purpose of the invention is: the vacuum tank fresh-keeping and refrigerating refrigerator has the function of prolonging the food fresh-keeping time.

The technical scheme of the invention is as follows: comprises a vacuum pump, an air inlet valve and an air outlet valve assembly (1); the vacuum pump electric automatic control device assembly (2) comprises a compressor, a live wire (2-1) input by the compressor, a zero line (2-2) shared by the compressor and the vacuum pump, a touch switch (2-3) of a refrigerating chamber door, and a live wire (2-4) input by the vacuum pump; a self-controlled vacuum valve (3); a main vacuum-pumping pipeline (4); an inner box body and a supporting plate (5); an outer case (6); a heat-insulating layer (7); a cylindrical and hemispherical bottom vacuum tank (8), a hinge assembly (8-1), a hand-operated air inlet valve assembly (8-2), a hemispherical tank cover (8-3), a spring hanging lug (8-4), a tension spring (8-5) and a spring hooking lug (8-6); a silica gel gasket (9); a refrigerating chamber and a door (10); a refrigeration and preservation box (11); a freezer compartment and door (12); a freezing box (13); a refrigeration compressor (14); an electric automatic control device assembly (15) of the refrigeration system; an evaporator (16); a condenser (17); a drying filter (18); a capillary (19); the cylinder, the hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) are made of pressure-resistant transparent plastic into a whole, one half of a hinge assembly (8-1) made of the same material as the cylinder and the hemispherical bottom vacuum tank (8) is welded at the upper left side of the cylinder and the hemispherical bottom vacuum tank (8), the other half of the hinge assembly is welded at the upper right side of the hemispherical tank cover (8-3), and the cylinder, the hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) are convenient to concentrically open and close; the spring hooking convex blocks (8-6) which are made of the same material as the cylinder and the hemispherical bottom vacuum tank (8) are welded at the left lower edge of the cylinder and the hemispherical bottom vacuum tank (8), and the right ends of the tension springs (8-5) are arranged in the small holes of the spring hooking convex blocks (8-6); welding a spring hanging bump (8-4) which is made of the same material as the hemispherical tank cover (8-3) on the left lower edge of the hemispherical tank cover (8-3), and concentrically installing a silica gel gasket (9) on the left side of the cylindrical vacuum tank (8) with a hemispherical bottom; the left end of the tension spring (8-5) is pulled up and hung on the spring hanging bump (8-4), so that the cylinder, the semi-spherical bottom vacuum tank (8) and the semi-spherical tank cover (8-3) are tightly sealed and buckled; a through hole is processed at the left upper end of the hemispherical tank cover (8-3), and a hand-operated air inlet valve assembly (8-2) made of the same material is concentrically welded with the through hole; after a valve shell (8-2-1) of a hand-pulled air inlet valve assembly (8-2) is concentrically and hermetically welded on a through hole at the upper left end of a hemispherical tank cover (8-3), a silica gel ring (8-2-5), a valve rod (8-2-3) and a small spring (8-2-4) are sequentially and concentrically placed in the valve shell (8-2-1), and a valve rod pressing cap (8-2) is concentrically installed and screwed; or the pressure-resistant transparent plastic is molded into a whole to be manufactured into a half of a hinge assembly (8-1) at the upper left side of the cylindrical and hemispherical bottom vacuum tank (8) and a hook spring lug (8-6) at the lower left side; or the other half of the right upper hinge assembly (8-1), the left lower suspension spring lug (8-4) and the valve shell (8-2-1) of the hemispherical tank cover (8-3) are integrally manufactured by pressure-resistant transparent plastic die pressing; more than one self-control vacuum valve (3) which is hermetically communicated with the vacuum pump and the air inlet pipe of the air inlet valve and exhaust valve assembly (1) is arranged on the vacuum pumping main pipeline (4), and the other end of the more than one self-control vacuum valve (3) is hermetically communicated with more than one corresponding cylinder and the hemispherical bottom in the hemispherical bottom vacuum tank (8). More than one cylinder and hemispherical bottom vacuum tank (8) are respectively and fixedly arranged on the corresponding inner box body of the inner box body (9) and the supporting plate (5); the upper center of a vacuum valve casing (3-1) of an automatic control vacuum valve (3) made of plastic with strength is processed into a conical blind inner hole (3-1-2), the left end of the lower part of the vacuum valve casing (3-1) is processed into a left pumped pipe (3-1), the right end of the lower part of the vacuum valve casing (3-1) is processed into a right pumped pipe (3-1-3), and the excircle of the upper part of the vacuum valve casing (3-1) is processed into an outer screw (3-1-4); the lower part of the conical valve body (3-2) made of plastic with strength is processed into a cone which is concentric with and closely matched with the blind inner hole (3-1-2) of the cone; the middle part of the conical valve body (3-2) is processed into an elastic valve body circular cover plate (3-2-1), the middle upper part of the conical valve body (3-2) is processed into a spring seat (3-2), and the uppermost part of the conical valve body (3-2) is processed into a bolt (3-2-4); the lowest part of the conical valve body (3-2) is processed into a spring mounting boss (3-2-6), and a lower compression spring (3-2-7) is concentrically and tightly sleeved on the spring mounting boss (3-2-6) from bottom to top; after a sealing silica gel gasket (3-3) is concentrically arranged at the upper part of a vacuum valve casing (3-1), a processed and installed conical valve body (3-2) is concentrically arranged in the sealing silica gel gasket (3-3) and a conical blind inner hole (3-1-2) on the vacuum valve casing (3-1) from top to bottom, an internal thread gland (3-4) is concentrically sleeved in the conical valve body (3-2) and sleeved in an external thread (3-1-4) on the vacuum valve casing (3-1) for screwing; after an upper compression spring (3-2-3) is concentrically sleeved on a spring seat (3-2), a brass contact piece (3-5) is concentrically sleeved in a bolt (3-2-4) and pressed on the upper compression spring (3-2-3), and two nuts (3-2-5) are concentrically screwed on the bolt (3-2-4) and the pressure locking of the brass contact piece (3-5) is well adjusted; after a set of fixed connecting line bolt assembly (3-7) is respectively arranged in the left and right side holes at the upper ends of the connecting line bolt mounting frames (3-6) made of plastic with strength, after the connecting bolt mounting frame (3-6) is concentrically and vertically sleeved on the left air exhaust pipe (3-1) and the right air exhaust pipe (3-1-3) at two sides of the vacuum valve casing (3-1), welding the left air exhaust pipe (3-1) and the right air exhaust pipe (3-1-3) at two sides by a plastic welding gun to ensure that the fixed connecting line bolt assemblies (3-7) at two sides are respectively contacted with the left side and the right side of the brass contact piece (3-5), after the assembly is finished, the clearance between the lower planes of the two nuts (3-2-5) and the upper plane of the brass contact piece (3-5) is adjusted to be equal to the stroke distance of the conical valve body (3-2) moving downwards to close the air ducts of the left air exhaust pipe (3-1) and the right air exhaust pipe (3-1-3). After being connected with a live wire of a power supply by inputting a live wire (2-4) into a vacuum pump, the vacuum pump is connected with one end of a touch switch (2-3) of a door of a refrigerating chamber which is arranged on the refrigerating chamber and the door (10), the other end of the vacuum pump is connected with a power supply connecting wire (3-9) on an automatic control vacuum valve (3), a vacuum pump connecting wire (3-8) on the automatic control vacuum valve (3) is connected with a live wire on an electric automatic control device assembly (2) of the vacuum pump, the compressor and the vacuum pump share a zero line (2-2) which is respectively connected with a zero line on the vacuum pump electric automatic control device assembly (2) and a zero line on the refrigeration system electric automatic control device assembly (15), the compressor input live wire (2-1) is connected with a power supply live wire, a vacuum pump, an air inlet valve, an exhaust valve assembly (1) and a vacuum pump electric automatic control device assembly (2) are arranged at the lower part in the outer box body (6); the vacuum pump, the air inlet valve and the exhaust valve assembly (1) are started to vacuumize under the automatic control of the electric automatic control device assembly (2) of the vacuum pump and the automatic control vacuum valve (3), and automatically vacuumize to the set vacuum of more than 100pa through a vacuumizing main pipeline (4) which is communicated in a sealing way in more than one cylinder which covers a hemispherical tank cover (8-3) in a refrigerating chamber and a door (10) and a hemispherical bottom vacuum tank (8).

The invention has the beneficial effects that: the use of the evaporator is reduced, so that the working time of the refrigeration compressor is shortened, the power consumption is reduced, and the fresh-keeping time function of the vacuum tank for fresh-keeping and cold-storage food is prolonged.

Drawings

Fig. 1 is a sectional view of a gable of the outer case (7) of the present invention, fig. 2 is a main sectional view of the self-controlled vacuum valve (3), and fig. 3 is a main sectional view of the manually operated intake valve assembly (8-2).

The part numbers in the figures are as follows: a vacuum pump, an air inlet valve and an air outlet valve assembly (1); the vacuum pump electric automatic control device assembly (2) comprises a compressor, a live wire (2-1) input by the compressor, a zero line (2-2) shared by the compressor and the vacuum pump, a touch switch (2-3) of a refrigerating chamber door, and a live wire (2-4) input by the vacuum pump; the automatic control vacuum valve (3), a vacuum valve casing (3-1), a left air exhaust pipe (3-1), a conical blind inner hole (3-1-2), a right air exhaust pipe (3-1-3), an outer screw (3-1-4), a conical valve body (3-2), a valve body round cover plate (3-2-1), a spring seat (3-2), an upper compression spring (3-2-3), a bolt (3-2-4), a nut (3-2-5), a spring boss (3-2-6), a lower compression spring (3-2-7), a vacuum pump connecting wire (3-8) and a power supply connecting wire (3-9); a main vacuum-pumping pipeline (4); an inner box body and a supporting plate (5); an outer case (6); a heat-insulating layer (7); the device comprises a cylindrical and hemispherical bottom vacuum tank (8), a hinge assembly (8-1), a hand-operated air inlet valve assembly (8-2), a valve shell (8-2-1), a valve rod pressing cap (8-2), a valve rod (8-2-3), a small spring (8-2-4), a silica gel ring (8-2-5), a hemispherical tank cover (8-3), a spring hanging lug (8-4), a tension spring (8-5) and a spring hooking lug (8-6); a silica gel gasket (9); a refrigerating chamber and a door (10); a refrigeration and preservation box (11); a freezer compartment and door (12); a freezing box (13); a refrigeration compressor (14); an electric automatic control device assembly (15) of the refrigeration system; an evaporator (16); a condenser (17); a drying filter (18); a capillary (19).

In the embodiment of the invention as shown in figure 1, the refrigeration preservation box (11), the freezing box (13) and more than one cylinder and hemispherical bottom vacuum tanks (8) in the assembled vacuum tank preservation and refrigeration refrigerator are respectively filled with various foods, the left ends of tension springs (8-5) on more than one cylinder and hemispherical bottom vacuum tanks (8) are pulled up and hung on spring hanging lugs (8-4), so that the cylinder and hemispherical bottom vacuum tanks (8) and hemispherical tank covers (8-3) are tightly sealed and buckled; the method comprises the steps that after a vacuum pump input live wire (2-4) is connected with a power live wire, the vacuum pump input live wire is connected with one end of a refrigerating chamber door touch switch (2-3) installed on a refrigerating chamber and a door (10), the other end of the vacuum pump input live wire is connected with a power supply connecting wire (3-9) on an automatic control vacuum valve (3), a vacuum pump connecting wire (3-8) on the automatic control vacuum valve (3) is connected with a live wire on an electric automatic control device assembly (2) of the vacuum pump, a compressor and the vacuum pump share a zero line (2-2) which is respectively connected with a zero line on the electric automatic control device assembly (2) of the vacuum pump and a zero line on an electric automatic control device assembly (15) of a refrigerating system, the compressor input live wire (2-1) is connected with the power live wire, and the; then after a main input power line (2-1) is connected with a power supply, an electric automatic control device assembly (15) of a refrigeration system starts to automatically control a refrigeration compressor (14) to start up for refrigeration, simultaneously, a vacuum pump, an air inlet valve, an exhaust valve assembly (1) and the electric automatic control device assembly (2) of the vacuum pump are started up to vacuumize all cylindrical and hemispherical bottom vacuum tanks (8) and hemispherical tank covers (8-3) which are tightly and hermetically buckled together, and when the temperature in a refrigerating chamber and a door (10) and the temperature in a refrigerating chamber and a door (12) reach a set temperature, the refrigeration compressor (14) is automatically stopped; at the moment, after the vacuum degrees in the cylindrical and hemispherical bottom vacuum tanks (8) and the hemispherical tank covers (8-3) which are tightly sealed and buckled together reach the set vacuum degree, the vacuum pump, the air inlet valve and the exhaust valve assembly (1) are automatically stopped under the control of the automatic control vacuum valve (3). The low temperature in the refrigerating chamber and the door (10) is obtained by convection with the cold air in the freezing chamber and the door (12). If a user wants to take food in a certain cylinder, a semi-spherical bottom vacuum tank (8) and a semi-spherical tank cover (8-3) which are tightly and hermetically buckled together, the refrigerating chamber and the door (10) can be opened, the cylinder, the semi-spherical bottom vacuum tank (8) and the semi-spherical tank cover (8-3) which are tightly and hermetically buckled together and need to take the food are pushed by a hand to move the air inlet valve assembly (8-2) for a plurality of seconds to one side for air inlet, then the tension spring (8-5) can be taken down, the semi-spherical tank cover (8-3) is lifted and the needed food is taken out, the semi-spherical tank cover (8-3) is covered, the left end of the tension spring (8-5) is pulled up and hung on the hanging spring bump (8-4), and then the refrigerating; at the moment, the vacuum pump, the air inlet valve and the exhaust valve assembly (1) are started again to vacuumize a certain cylinder, a semi-spherical bottom vacuum tank (8) and a semi-spherical tank cover (8-3) which are tightly and hermetically buckled together and need to be vacuumized under the automatic control of the vacuum pump electric automatic control device assembly (2) and the automatic control vacuum valve (3).

Claims

1. The utility model provides a vacuum tank cold storage refrigerator that keeps fresh, includes outer box, heat preservation, interior box, walk-in and door, cold-stored fresh-keeping box, freezer and door, freezing box, compressor, the electric automatic control device assembly of refrigerating system, evaporimeter, condenser, drier-filter, capillary, characterized by: the cylinder, the hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) are made of pressure-resistant transparent plastic into a whole, one half of a hinge assembly (8-1) made of the same material as the cylinder and the hemispherical bottom vacuum tank (8) is welded at the upper left side of the cylinder and the hemispherical bottom vacuum tank (8), the other half of the hinge assembly is welded at the upper right side of the hemispherical tank cover (8-3), and the cylinder, the hemispherical bottom vacuum tank (8) and the hemispherical tank cover (8-3) are convenient to concentrically open and close; a through hole is processed at the left upper end of the hemispherical tank cover (8-3), and a hand-operated air inlet valve assembly (8-2) made of the same material is concentrically welded with the through hole; more than one self-control vacuum valve (3) which is hermetically communicated with a vacuum pump and an air inlet pipe of an air inlet valve and exhaust valve assembly (1) is arranged on a vacuum-pumping main pipeline (4) which is hermetically communicated with an air inlet pipe of the vacuum pump and air inlet valve and exhaust valve assembly (1), the other end of more than one self-control vacuum valve (3) is hermetically communicated with more than one corresponding cylinder and hemispherical bottom in a hemispherical bottom vacuum tank (8), and more than one cylinder and hemispherical bottom vacuum tank (8) are fixedly arranged on the corresponding inner box body of the inner box body (9) and the supporting plate (5) respectively; the vacuum pump is connected with a live wire (2-4) and a power supply live wire, and then is connected with one end of a touch switch (2-3) of a door of a refrigerating chamber of the refrigerating chamber installed on a refrigerating chamber and a door (10), the other end of the touch switch is connected with a power supply connecting wire (3-9) on an automatic control vacuum valve (3), and a vacuum pump connecting wire (3-8) on the automatic control vacuum valve (3) is connected with a live wire on an electric automatic control device assembly (2) of the vacuum pump.

2. The vacuum can freshness retaining refrigerator of claim 1, characterized in that: the spring hooking convex blocks (8-6) which are made of the same material as the cylinder and the hemispherical bottom vacuum tank (8) are welded at the left lower edge of the cylinder and the hemispherical bottom vacuum tank (8), and the right ends of the tension springs (8-5) are arranged in the small holes of the spring hooking convex blocks (8-6); welding a spring hanging bump (8-4) which is made of the same material as the hemispherical tank cover (8-3) on the left lower edge of the hemispherical tank cover (8-3), and concentrically installing a silica gel gasket (9) on the left side of the cylindrical vacuum tank (8) with a hemispherical bottom; the left end of the tension spring (8-5) is pulled up and hung on the spring hanging bump (8-4), so that the cylinder, the semi-spherical bottom vacuum tank (8) and the semi-spherical tank cover (8-3) are tightly sealed and buckled.

3. The vacuum can freshness retaining refrigerator of claim 1, characterized in that: after a valve shell (8-2-1) of a hand-poked air inlet valve assembly (8-2) is concentrically and hermetically welded on a through hole at the upper left end of a hemispherical tank cover (8-3), a silica gel ring (8-2-5), a valve rod (8-2-3) and a small spring (8-2-4) are sequentially and concentrically placed in the valve shell (8-2-1), and then a valve rod pressure cap (8-2) is concentrically installed and screwed down.

4. The vacuum can freshness retaining refrigerator of claim 1, characterized in that: the upper center of a vacuum valve casing (3-1) of an automatic control vacuum valve (3) made of plastic with strength is processed into a conical blind inner hole (3-1-2), the left end of the lower part of the vacuum valve casing (3-1) is processed into a left pumped pipe (3-1), the right end of the lower part of the vacuum valve casing (3-1) is processed into a right pumped pipe (3-1-3), and the excircle of the upper part of the vacuum valve casing (3-1) is processed into an outer screw (3-1-4); the lower part of the conical valve body (3-2) made of plastic with strength is processed into a cone which is concentric with and closely matched with the blind inner hole (3-1-2) of the cone; the middle part of the conical valve body (3-2) is processed into an elastic valve body circular cover plate (3-2-1), the middle upper part of the conical valve body (3-2) is processed into a spring seat (3-2), and the uppermost part of the conical valve body (3-2) is processed into a bolt (3-2-4); the lowest part of the conical valve body (3-2) is processed into a spring mounting boss (3-2-6), and a lower compression spring (3-2-7) is concentrically and tightly sleeved on the spring mounting boss (3-2-6) from bottom to top; after a sealing silica gel gasket (3-3) is concentrically arranged at the upper part of a vacuum valve casing (3-1), a processed and installed conical valve body (3-2) is concentrically arranged in the sealing silica gel gasket (3-3) and a conical blind inner hole (3-1-2) on the vacuum valve casing (3-1) from top to bottom, an internal thread gland (3-4) is concentrically sleeved in the conical valve body (3-2) and sleeved in an external thread (3-1-4) on the vacuum valve casing (3-1) for screwing; after an upper compression spring (3-2-3) is concentrically sleeved on a spring seat (3-2), a brass contact piece (3-5) is concentrically sleeved in a bolt (3-2-4) and pressed on the upper compression spring (3-2-3), and two nuts (3-2-5) are concentrically screwed on the bolt (3-2-4) and the pressure locking of the brass contact piece (3-5) is well adjusted; after a set of fixed connecting line bolt assembly (3-7) is respectively arranged in the left and right side holes at the upper ends of the connecting line bolt mounting frames (3-6) made of plastic with strength, after the connecting bolt mounting frame (3-6) is concentrically and vertically sleeved on the left air exhaust pipe (3-1) and the right air exhaust pipe (3-1-3) at two sides of the vacuum valve casing (3-1), welding the left air exhaust pipe (3-1) and the right air exhaust pipe (3-1-3) at two sides by a plastic welding gun to ensure that the fixed connecting line bolt assemblies (3-7) at two sides are respectively contacted with the left side and the right side of the brass contact piece (3-5), after the assembly is finished, the clearance between the lower planes of the two nuts (3-2-5) and the upper plane of the brass contact piece (3-5) is adjusted to be equal to the stroke distance of the conical valve body (3-2) moving downwards to close the air ducts of the left air exhaust pipe (3-1) and the right air exhaust pipe (3-1-3).

5. The vacuum can freshness retaining refrigerator of claim 1, characterized in that: the compressor and the vacuum pump share a zero line (2-2) which is respectively connected with a zero line on the vacuum pump electric automatic control device assembly (2) and a zero line on the refrigeration system electric automatic control device assembly (15), and the compressor input live wire (2-1) is connected with the power supply live wire.

6. The vacuum can freshness retaining refrigerator of claim 1, characterized in that: a vacuum pump, an air inlet valve, an exhaust valve assembly (1) and a vacuum pump electric automatic control device assembly (2) are arranged at the lower part in the outer box body (6); the vacuum pump, the air inlet valve and the exhaust valve assembly (1) are started to vacuumize under the automatic control of the electric automatic control device assembly (2) of the vacuum pump and the automatic control vacuum valve (3), and automatically vacuumize to the set vacuum of more than 100pa through a vacuumizing main pipeline (4) which is communicated in a sealing way in more than one cylinder which covers a hemispherical tank cover (8-3) in a refrigerating chamber and a door (10) and a hemispherical bottom vacuum tank (8).

7. The vacuum can freshness retaining refrigerator of claim 1, characterized in that: a pressure-resistant transparent plastic is molded into a whole to manufacture a half of a hinge assembly (8-1) at the upper left side of a cylindrical and hemispherical bottom vacuum tank (8) and a hook spring bump (8-6) at the lower left side; or the other half of the right upper hinge assembly (8-1), the left lower suspension spring lug (8-4) and the valve shell (8-2-1) of the hemispherical tank cover (8-3) are integrally manufactured by pressure-resistant transparent plastic die pressing.