CN111895703B

CN111895703B - Portable refrigerating system

Info

Publication number: CN111895703B
Application number: CN201910945819.8A
Authority: CN
Inventors: 程路
Original assignee: Rizhao China Stirling Technology Co ltd
Current assignee: Rizhao China Stirling Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2022-05-17
Anticipated expiration: 2039-09-30
Also published as: CN111895703A

Abstract

The invention relates to a portable refrigerating system, which comprises a rack and a Stirling engine arranged in the rack, wherein the rack comprises a housing assembly and a shell assembly, and the housing assembly is enclosed outside the shell assembly; the shell assembly comprises a base, a cold insulation seat and a plurality of stand columns, wherein the base and the cold insulation seat are isolated from each other so as to form an accommodating cavity for mounting the Stirling engine between the base and the cold insulation seat, and two end parts of the stand columns are fixedly mounted with the base and the cold insulation seat respectively; the outer cover component comprises a first cover plate and a second cover plate, the first cover plate is mechanically connected with the stand column through a detachable buckle structure, and the second cover plate is provided with a connecting lug for the buckle structure to penetrate through and fixedly connect the buckle structure with the stand column. The portable refrigeration system of the application has the advantage of being convenient to install.

Description

Portable refrigerating system

Technical Field

The invention relates to the technology of refrigerators, in particular to a portable refrigeration system.

Background

A chiller is a common piece of equipment that typically includes a housing and a stirling machine mounted within the housing. The frame of the refrigerator is usually assembled by fasteners, which is cumbersome to assemble. In view of this, the present application is specifically made.

Disclosure of Invention

The invention aims to provide a portable refrigeration system to solve the problem that the existing refrigerator is complex to assemble.

In order to solve the technical problem, the invention provides a portable refrigeration system, which comprises a rack and a Stirling engine arranged in the rack, wherein the rack comprises an outer cover assembly and a shell assembly, and the outer cover assembly is arranged on the outer side of the shell assembly in an enclosing manner; the shell assembly comprises a base, a cold insulation seat and a plurality of stand columns, wherein the base and the cold insulation seat are isolated from each other so as to form an accommodating cavity for mounting the Stirling engine between the base and the cold insulation seat, and two end parts of the stand columns are fixedly mounted with the base and the cold insulation seat respectively; the outer cover component comprises a first cover plate and a second cover plate, the first cover plate is mechanically connected with the stand column through a detachable buckle structure, and the second cover plate is provided with a connecting lug for the buckle structure to penetrate through and fixedly connect the buckle structure with the stand column.

Preferably, the fastening structure includes a fastening and a fastening groove, one of which is disposed on the first cover plate, and the other of which is disposed on the upright.

Preferably, the connecting lug of the second cover plate is provided with a through hole, the buckle comprises a pressing part, a connecting part and a clamping part, the pressing part is pressed against the connecting lug, the connecting part is located in the through hole, and the clamping part penetrates through the through hole and is buckled with the clamping groove.

Preferably, the first cover plate is two oppositely arranged, the second cover plate is two oppositely arranged, correspondingly, the number of the stand columns is four, and the stand columns are respectively a first stand column, a second stand column, a third stand column and a fourth stand column.

Preferably, the left side and the right side of the second cover plate are respectively provided with a bending part, and the connecting lug is arranged on the bending parts.

Preferably, one of the two second cover plates is provided with an air inlet, and the other one is provided with an air outlet.

Preferably, the air inlet is located between the second upright column and the third upright column, the air outlet is located between the first upright column and the fourth upright column, and the air inlet area of the air inlet is at least 1.5 times of the air outlet area of the air outlet.

Preferably, a battery box for mounting a storage battery is arranged above the air outlet.

Preferably, the two first cover plates are provided with hangers for connecting the handles.

Preferably, a first connecting plate for installing the stirling engine in a suspension mode is connected between the first upright and the second upright, and the left side and the right side of the first connecting plate are fixedly connected with the first upright and the second upright respectively.

Preferably, the middle part of the first connecting plate protrudes into the accommodating cavity to form a mounting convex surface for mounting the stirling engine on the back part of the first connecting plate, and a mounting concave surface for mounting the control circuit board is formed on the front surface of the first connecting plate.

Preferably, a second connecting plate for installing the stirling engine in a suspension manner is connected between the third upright and the fourth upright, and the left side and the right side of the second connecting plate are fixedly connected with the third upright and the fourth upright respectively.

Preferably, the second connecting plate has a smaller width in the vertical direction than the first connecting plate, and the stirling machine is installed between the first connecting plate and the second connecting plate with a vibration isolation gap formed therebetween.

Preferably, the cold head of the Stirling engine is arranged in the cold insulation seat, and absorbs heat in the cold insulation seat through a thermosiphon to refrigerate.

Preferably, a third connecting plate is connected between the second upright and the third upright, and the left side and the right side of the third connecting plate are respectively and fixedly connected with the second upright and the third upright.

Preferably, the fastening structure comprises a first fastening groove, a second fastening groove, a third fastening groove and a fourth fastening groove; the first clamping groove is arranged on the first upright post, the second clamping groove is arranged on the second upright post, and the first clamping groove and the second clamping groove are positioned on the same side surface; the third draw-in groove sets up on the third stand, and the fourth draw-in groove sets up on the fourth stand, and third draw-in groove and fourth draw-in groove are located same side.

Preferably, the base has a lower post hole for inserting the lower end of the post for fixed connection.

Preferably, the cold insulation seat is provided with an upper column hole for the upper end part of the column to be inserted for fixed connection.

Preferably, the base has a receiving groove for receiving the lower end portions of the first cover plate and the second cover plate.

By adopting the technical scheme, the invention can obtain the following technical effects:

1. the frame of the application is composed of an outer cover component and a shell component, wherein the shell component comprises a base, a cold insulation seat and a plurality of stand columns, the outer cover component is composed of a first cover plate and a second cover plate, the first cover plate and the stand columns are mechanically connected through a detachable buckle structure, meanwhile, the second cover plate is provided with connecting lugs for the buckle structure to pass through, and through the structural design, a user can conveniently install the outer cover component on the shell component;

2. the base is provided with a lower upright post hole, and the cold insulation seat is provided with an upper upright post hole, so that the upright posts can be installed more conveniently;

3. the first connecting plate and the second connecting plate have the function of connecting adjacent upright columns besides the function of connecting the Stirling engine, and the stability of the adjacent upright columns after being installed is improved;

4. the third connecting plate is beneficial to improving the stability of the adjacent upright post after being installed;

5. the design mode of the mounting convex surface and the mounting concave surface of the first connecting plate reasonably utilizes the internal space of the rack, so that the whole mechanism is compact;

6. the invention also has the advantages of convenient and fast installation, low noise and small vibration. The invention also optimizes the structural layout of the product, so that the product has more concise and beautiful appearance, and the cognition of the product of the technical personnel and the designers in the field is subverted.

Drawings

FIGS. 1 and 2 are schematic diagrams of a portable refrigeration system according to a next embodiment from different perspectives, respectively;

FIG. 3 depicts a schematic view of an embodiment of a portable refrigeration system in a first, disassembled state;

FIG. 4 depicts a schematic view of an embodiment of a portable refrigeration system in a second, disassembled state;

FIG. 5 depicts a schematic view of an embodiment of a portable refrigeration system with the base, plurality of columns, and cover assembly separated;

FIG. 6 shows an assembly view corresponding to FIG. 5;

FIG. 7 is a diagram illustrating an assembly process of the housing assembly;

FIG. 8 is a process diagram showing the opening of the cold-holding receptacle;

fig. 9 shows a sectional view of the cold-holding receptacle when open.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

With reference to fig. 1 to 4, in an embodiment, the portable refrigeration system of the present application includes: the device comprises a frame 1, a Stirling engine 2, a storage battery 8, a battery box 9, a battery box cover 10, a handle 11, a first connecting plate 12, a second connecting plate 13, a third connecting plate 14, a control circuit board 15, an auxiliary connecting plate 16, a power supply connecting piece 17 and an air filter 18. For convenience of explanation, the X direction is the first direction, the Y direction is the second direction, and the Z direction is the third direction in the drawings.

Referring to fig. 1 and 2, the rack 1 is substantially rectangular, and has an air inlet S1 at a rear side and an air outlet S2 at a front side along the first direction X, and an air inlet area of the air inlet S1 is at least 1.5 times, for example, 1.6 times, an air outlet area of the air outlet S2. The frame 1 comprises a housing assembly and a shell assembly, wherein the housing assembly is arranged around the outer side of the shell assembly. The shell assembly comprises a base 3, a cold insulation seat 4 and four upright posts 5, and the outer cover assembly comprises two oppositely arranged first cover plates 6 and two oppositely arranged second cover plates 7. Referring to fig. 4, for convenience of description, the four pillars 5 are respectively labeled as a first pillar 5(1), a second pillar 5(2), a third pillar 5(3), and a fourth pillar 5(4), and are arranged in a square direction clockwise.

Referring to fig. 7, the base 3 and the cold insulation seat 4 are separated to form an accommodating chamber M for mounting the stirling machine 2 therebetween, and two end portions of the four pillars 5 are fixedly mounted to the base 3 and the cold insulation seat 4, respectively. Referring to fig. 4, the base 3 has a lower column hole 3A into which the lower end of the column 5 is inserted and fixedly connected, and referring to fig. 7, the cold insulation seat 4 has an upper column hole 4A into which the upper end of the column 5 is inserted and fixedly connected. Referring to fig. 4, the air inlet S1 is located between the second column 5(2) and the third column 5(3), and the air outlet S2 is located between the first column 5(1) and the fourth column 5 (4).

With reference to fig. 8 and 9, the cold insulation seat 4 includes: a first part 4B having a chamber 4E, a second part 4C which is hinged relative to the first part 4B to open and close the chamber 4E, and a thermal insulator 4D disposed in the chamber 4E. The first portion 4B has a mounting hole 4G on the lower side thereof into which the cold head 2A of the stirling machine 2 is inserted, and the second portion 4C has a display screen 4F on the upper side thereof for displaying the operating state. The thermal insulator 4D may be a foam material supported on the inner wall step of the chamber 4E.

Referring to fig. 5 and 6, the first housing plate 6 is mechanically connected to the upright post 5 by a detachable fastening structure, and the second housing plate 7 has a connecting lug 7A for the fastening structure to pass through and fixedly connect with the upright post 5. The base 3 is provided with a containing groove 3B for containing the lower end parts of the first cover plate 6 and the second cover plate 7, so that the first cover plate and the second cover plate can be conveniently installed. The buckle structure comprises a buckle 6A and a clamping groove 5A which are matched, in the embodiment, the buckle 6A is arranged on the first cover plate 6, the clamping groove 5A is arranged on the upright post 5, and the positions of the buckle and the clamping groove can be changed. The connecting lug 7A is provided with a through hole, and the buckle 6A comprises a pressing part 6A1, a connecting part 6A2 and a clamping part 6A 3. After the installation, the pressing part 6a1 leans on the engaging lug 7A, the connecting part 6a2 is located in the through hole of the engaging lug 7A, and the clamping part 6A3 penetrates through the through hole of the engaging lug 7A and is buckled with the clamping groove 5A. Referring to fig. 5, the second cover plate 7 has a bent portion 7B at each of left and right sides thereof, and the engaging lug 7A is provided on the bent portion 7B. Referring to fig. 3, in the first direction X, the second cover plate 7 located at the rear side is provided with an air inlet S1, and the second cover plate 7 located at the front side is provided with an air outlet S2. The buckle structure comprises a first clamping groove, a second clamping groove, a third clamping groove and a fourth clamping groove. The first clamping groove is arranged on the first upright post 5(1), the second clamping groove is arranged on the second upright post 5(2), and the first clamping groove and the second clamping groove are positioned on the same side surface; the third card slot is arranged on the third upright post 5(3), the fourth card slot is arranged on the fourth upright post 5(4), and the third card slot and the fourth card slot are positioned on the same side surface.

Referring to fig. 3 and 4, a battery case 9 for mounting the battery 8 is disposed above the air outlet S2, and a battery case cover 10 is detachably mounted on the battery case 9.

Referring to fig. 1 and 2, the two handles 11 and the two auxiliary connecting plates 16 are located on both sides in the second direction Y. One auxiliary connecting plate 16 is installed between the first upright column 5(1) and the second upright column 5(2), and the other auxiliary connecting plate 16 is installed between the third upright column 5(3) and the fourth upright column 5 (4). The two first cover plates 6 are respectively provided with a hanging lug 6B connected with a hanging handle 11, and the two hanging handles 11 respectively penetrate through the two hanging lugs 6B and are fixed on the auxiliary connecting plate 16. Because the auxiliary connecting plate 16 is connected with the adjacent upright posts, the stability of the upright posts after being installed is improved.

With reference to fig. 3 to 5, a first connecting plate 12 for mounting the stirling machine 2 in a suspension manner is connected between the first upright 5(1) and the second upright 5(2), the left side and the right side of the first connecting plate 12 are respectively fixedly connected with the first upright 5(1) and the second upright 5(2), and the suspension structure adopts a suspension structure in chinese patent CN2018102835901, a new suspension structure of a stirling motor. A second connecting plate 13 for hanging and mounting the Stirling engine 2 is connected between the third upright column 5(3) and the fourth upright column 5(4), and the left side and the right side of the second connecting plate 13 are fixedly connected with the third upright column 5(3) and the fourth upright column 5(4) respectively. The first connection plate 12 has a middle portion projecting inward of the accommodation chamber M to form a mounting convex surface 12A on the back thereof on which the stirling machine 2 is mounted, and a mounting concave surface 12B on the front thereof on which the control circuit board 15 is mounted. Referring to fig. 3, the width of the second connecting plate 13 in the third direction Z (i.e., the vertical direction) is smaller than that of the first connecting plate 12, and the stirling engine 2 is installed between the first connecting plate 12 and the second connecting plate 13 and forms a vibration isolation gap with the base 3, so that the vibration isolation gap can effectively prevent the mechanical vibration of the stirling engine 2 from being transmitted to the base 3 to cause the vibration of the whole engine. Since the second connection plate does not need to mount the control circuit board 15, its width in the third direction Z is small to contribute to weight saving. A third connecting plate 14 is connected between the second upright column 5(2) and the third upright column 5(3), the left side and the right side of the third connecting plate 14 are fixedly connected with the second upright column 5(2) and the third upright column 5(3) respectively, and the third connecting plate 14 can improve the stability of the second upright column 5(2) and the third upright column 5(3) after installation. The cold head 2A of the stirling machine 2 passes through the mounting hole 4G to be mounted in the cold insulation seat 4, and absorbs heat in the cold insulation seat 4 through a thermosiphon (not shown) to perform cooling.

The power connector 17 is disposed on the second cover plate 7 with the air outlet S2 and is located on the left side of the air outlet S2. The air filter 18 faces the air inlet S1 to filter air.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable refrigeration system comprises a frame (1) and a Stirling engine (2) arranged in the frame (1), and is characterized in that the frame (1) comprises an outer cover assembly and a shell assembly, and the outer cover assembly is arranged outside the shell assembly in an enclosing manner;

the shell assembly comprises a base (3), a cold insulation seat (4) and a plurality of upright columns (5), wherein the base (3) and the cold insulation seat (4) are isolated to form an accommodating cavity (M) for installing the Stirling engine between the base and the cold insulation seat, and two end parts of each upright column (5) are fixedly installed with the base (3) and the cold insulation seat (4) respectively;

the outer cover assembly comprises a first cover plate (6) and a second cover plate (7), the first cover plate (6) is mechanically connected with the upright post (5) through a detachable buckle structure, and the second cover plate (7) is provided with a connecting lug (7A) for the buckle structure to penetrate through and fixedly connecting the buckle structure with the upright post;

the cold insulation seat (4) comprises: a first part (4B) having a chamber (4E), a second part (4C) which is hingedly movable relative to the first part (4B) to open and close the chamber (4E); the lower side of the first part (4B) is provided with a mounting hole (4G) for a cold head (2A) of the Stirling engine (2) to extend into;

a vibration isolation gap is formed between the Stirling engine and the base (3);

the base (3) is provided with a lower upright post hole (3A) for inserting the lower end part of the upright post (5) for fixed connection;

the cold insulation seat is provided with an upper upright post hole (4A) for the upper end part of the upright post (5) to be inserted and fixedly connected.

2. The portable refrigeration system of claim 1, wherein the snap structure comprises a snap (6A) and a catch (5A) adapted to one another, one of which is disposed on the first cover plate (6) and the other of which is disposed on the upright (5).

3. The portable refrigeration system of claim 2, wherein the connecting lug (7A) of the second cover plate (7) is provided with a through hole, the buckle (6A) comprises a pressing part (6A1), a connecting part (6A2) and a clamping part (6A3), the pressing part (6A1) is pressed against the connecting lug (7A), the connecting part (6A2) is positioned in the through hole, and the clamping part (6A3) penetrates through the through hole and is buckled with the clamping groove (5A).

4. A portable refrigeration system according to claim 1, wherein the first panel (6) is two oppositely disposed, the second panel (7) is also two oppositely disposed, and correspondingly, the uprights (5) are four, respectively a first upright, a second upright, a third upright and a fourth upright.

5. The portable refrigerating system according to claim 4, wherein the second cover plate (7) has a bent portion (7B) at each of right and left sides thereof, and the engaging lug (7A) is provided on the bent portion (7B).

6. The portable cooling system of claim 4, wherein one of the two second cover panels (7) is provided with an air inlet (S1) and the other is provided with an air outlet (S2).

7. The portable cooling system of claim 6, wherein the air inlet (S1) is located between the second pillar and the third pillar, the air outlet (S2) is located between the first pillar and the fourth pillar, and an air inlet area of the air inlet (S1) is at least 1.5 times an air outlet area of the air outlet (S2).

8. The portable refrigeration system according to claim 7, characterized in that a battery compartment (9) for mounting a storage battery (8) is provided above the air outlet (S2).

9. The portable refrigeration system according to claim 4, characterized in that both of the first cover panels (6) are provided with lugs (6B) for connecting with a handle (11).

10. The portable refrigeration system of claim 4, wherein a first connecting plate (12) for hanging mounting the Stirling engine is connected between the first column and the second column, and left and right sides of the first connecting plate (12) are fixedly connected with the first column and the second column respectively.

11. The portable refrigeration system according to claim 10, wherein the first connection plate (12) has a central portion projecting inwardly of the housing chamber (M) to form a convex mounting surface (12A) on a rear portion thereof on which the stirling machine (2) is mounted, and a concave mounting surface (12B) on a front surface thereof on which the control circuit board (15) is mounted.

12. The portable refrigeration system of claim 10, wherein a second connecting plate (13) for hanging and mounting the stirling engine is connected between the third upright and the fourth upright, and the left side and the right side of the second connecting plate (13) are fixedly connected with the third upright and the fourth upright respectively.

13. The portable refrigeration system of claim 12, wherein the second connection plate (13) has a smaller width in the vertical direction than the first connection plate (12), and the stirling machine (2) is mounted between the first connection plate (12) and the second connection plate (13).

14. The portable refrigeration system of claim 12, wherein a third connecting plate (14) is connected between the second column and the third column, and left and right sides of the third connecting plate (14) are fixedly connected with the second column and the third column respectively.

15. The portable refrigeration system of any of claims 5 to 14, wherein the snap feature comprises a first snap slot, a second snap slot, a third snap slot, and a fourth snap slot; the first clamping groove is arranged on the first upright post, the second clamping groove is arranged on the second upright post, and the first clamping groove and the second clamping groove are positioned on the same side surface; the third draw-in groove sets up on the third stand, and the fourth draw-in groove sets up on the fourth stand, and third draw-in groove and fourth draw-in groove are located same side.

16. The portable refrigeration system of claim 1, wherein the base (3) has a receiving groove (3B) for receiving lower end portions of the first and second cover panels (6, 7).