Low-temperature preservation box fixing frame assembly and low-temperature preservation box

Abstract

The embodiment of the utility model provides a low-temperature preservation box fixing frame assembly and a low-temperature preservation box, and relates to the field of low-temperature preservation boxes. The low-temperature storage box aims to solve the problem that a low-temperature storage box is inconvenient to assemble and maintain later equipment. The low-temperature preservation box fixing frame assembly comprises a profile frame and a preservation inner cavity, and the profile frame is used for being fixed in a preservation box shell; the storage inner cavity is provided with an opening used for storing and taking articles, and the storage inner cavity is detachably fixed in the profile frame. The storage inner cavity is fixed in the sectional material frame in a suspended mode and is independent of the storage box shell, the storage inner cavity is fixed in the sectional material frame during assembly, and when disassembly is needed during later equipment maintenance, the whole storage inner cavity can be detached from the sectional material frame, so that assembly and later equipment maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to the field of low-temperature preservation boxes, in particular to a low-temperature preservation box fixing frame component and the low-temperature preservation box. Background Art

[0002] With the advancement of science and technology, cryogenic storage boxes, as a high-end refrigeration equipment, have extremely high application value and market prospects. The rapid development of the life science field has promoted the continuous expansion of the cryogenic storage box market, which is not only reflected in the scale of the industry market, but also in the substantial expansion of application areas. For example, in the fields of medical treatment, pharmaceuticals, scientific research, etc., their demand for cryogenic storage boxes is huge, especially in the field of biological vaccines and drug research, where rapid freezing and effective long-term storage of samples are particularly important.

[0003] Low-temperature storage boxes or refrigerators usually use a direct injection foaming process to firmly bond the outer shell, liner, and insulation layer into one, which is not convenient for assembly and subsequent equipment maintenance. Utility Model Content

[0004] The purpose of the utility model includes, for example, providing a low-temperature preservation box fixing frame assembly, which can improve the problem that the low-temperature preservation box is inconvenient to assemble and maintain later equipment.

[0005] The purpose of the utility model also includes providing a low-temperature preservation box, which can improve the problem that the low-temperature preservation box is inconvenient to assemble and maintain later equipment.

[0006] The embodiments of the present invention can be implemented as follows:

[0007] An embodiment of the utility model provides a low-temperature preservation box fixed frame assembly, including a profile frame and a preservation inner cavity, wherein the profile frame is used to be fixed in a preservation box shell; the preservation inner cavity is provided with an opening for storing and accessing articles, and the preservation inner cavity is detachably fixed in the profile frame.

[0008] In addition, the low-temperature storage box fixing frame assembly provided by the embodiment of the utility model may also have the following additional technical features:

[0009] Optionally, the low-temperature preservation box fixed frame assembly also includes a non-heat-conductive inner cavity fixing plate and fasteners; the inner cavity fixing plate is used to fit with the profile frame and the preservation inner cavity at the same time, and is fixedly connected by the fasteners at the fitting position.

[0010] Optionally, the storage inner cavity is provided with outwardly folded curled edges on two opposite sides of the opening; the profile frame includes two columns arranged on two opposite sides of the storage inner cavity, and each column is arranged corresponding to the position of one of the curled edges; the inner cavity fixing plate includes a first plate and a second plate connected to each other, the first plate is in contact with the curled edge and fixedly connected by the fastener, and the second plate is in contact with the column and fixedly connected by the fastener.

[0011] Optionally, a plurality of bosses are arranged at intervals along the height direction on both sides of the opening in the storage inner cavity; the low-temperature storage box fixed frame assembly also includes a plurality of racks, each of which is slidably arranged between two of the bosses corresponding to the positions on both sides of the storage inner cavity, and the racks are used to place items.

[0012] Optionally, groove slide rails extending in a direction perpendicular to the opening are respectively provided on both sides of the storage rack that is slidably matched with the boss, and the groove slide rails are slidably matched with the boss.

[0013] Optionally, the profile frame includes a mounting base plate disposed below the storage inner cavity, an installation space is formed between the mounting base plate and the storage inner cavity, and the mounting base plate is used to install a compressor and a condenser.

[0014] Optionally, the low-temperature preservation box fixed frame assembly further includes an infrared distance measuring sensor, which is fixed on the profile frame and is used to detect the storage and access position of items at the opening.

[0015] Optionally, the infrared ranging sensor is fixed on the top of the profile frame, and the infrared ranging sensor is correspondingly arranged above the opening.

[0016] An embodiment of the utility model further provides a low-temperature preservation box, which includes a preservation box shell and a low-temperature preservation box fixed frame assembly; the low-temperature preservation box fixed frame assembly is installed in the preservation box shell.

[0017] Optionally, the low-temperature preservation box further comprises a condensing copper tube and a polyurethane foam layer; the condensing copper tube is wound around the outer wall of the preservation inner cavity and is wrapped and fixed by the polyurethane foam layer.

[0018] The beneficial effects of the low temperature preservation box fixing frame assembly and the low temperature preservation box of the embodiment of the utility model include, for example:

[0019] The fixed frame assembly of the low-temperature preservation box includes a profile frame and a preservation inner cavity. The profile frame is used to be fixed in the preservation box shell; the preservation inner cavity is provided with an opening for storing and accessing articles, and the preservation inner cavity is detachably fixed in the profile frame.

[0020] The preservation inner cavity is suspended and fixed in the profile frame, independent of the preservation box shell. During assembly, the preservation inner cavity is fixed in the profile frame. When the equipment needs to be disassembled later, the preservation inner cavity can be detached from the profile frame as a whole, which is convenient for assembly and later equipment maintenance.

[0021] A low temperature preservation box, including the above-mentioned low temperature preservation box fixing frame assembly, improves the problem that the low temperature preservation box is inconvenient to assemble and maintain later equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic structural diagram of a first-view fixed frame assembly of a low-temperature storage box provided in this embodiment;

[0024] Figure 2 A structural schematic diagram of a second viewing angle of a fixed frame assembly of a low-temperature storage box provided in this embodiment;

[0025] Figure 3 A schematic structural diagram of a third perspective of a fixed frame assembly of a low-temperature storage box provided in this embodiment;

[0026] Figure 4 A schematic diagram of the structure of the low-temperature preservation box provided in this embodiment with the fixed frame assembly removed and the preservation inner cavity removed.

[0027] Icons: 10- low temperature preservation box fixed frame assembly; 100- profile frame; 110- column; 120- installation base plate; 200- storage inner cavity; 210- opening; 220- curling; 300- inner cavity fixing plate; 310- first plate; 320- second plate; 330- fastener; 400- boss; 410- shelf; 420- groove slide rail; 430- tray; 500- infrared ranging sensor; 510- compressor; 520- condenser. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0032] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0033] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0034] Combine the following Figures 1 to 4 The low-temperature preservation box fixing frame assembly 10 provided in this embodiment is described in detail.

[0035] Please refer to Figure 1 , Figure 2 and Figure 3 An embodiment of the utility model provides a low-temperature preservation box fixed frame assembly 10, including a profile frame 100 and a preservation inner cavity 200, the profile frame 100 is used to be fixed in the preservation box shell; the preservation inner cavity 200 is provided with an opening 210 for storing and accessing items, and the preservation inner cavity 200 is detachably fixed in the profile frame 100.

[0036] The profile frame 100 is an integral frame, which is a supporting and fixing body. The internal space enclosed by the profile frame 100 is used to install and fix the storage inner cavity 200. The storage inner cavity 200 is used to store items, and the storage inner cavity 200 is provided with an opening 210 for storing and accessing items. The storage inner cavity 200 is set independently of the profile frame 100, and the storage inner cavity 200 is detachably connected to the profile frame 100. During assembly, the storage inner cavity 200 is fixed in the profile frame 100. When the equipment needs to be disassembled later, the storage inner cavity 200 can be detached from the profile frame 100 as a whole, which is convenient and quick.

[0037] Specifically, the profile frame 100 and the storage inner cavity 200 are both rectangular structures, and one side of the storage inner cavity 200 is opened to form an opening 210. The storage inner cavity 200 is made of 316 stainless steel, which has high corrosion resistance, high strength and excellent thermal conductivity.

[0038] Reference Figure 3 and Figure 4 In this embodiment, the low-temperature preservation box fixed frame assembly 10 also includes a non-heat-conductive inner cavity fixing plate 300 and a fastener 330; the inner cavity fixing plate 300 is used to simultaneously fit with the profile frame 100 and the preservation inner cavity body 200, and is fixedly connected at the fitting position by the fastener 330.

[0039] The inner cavity fixing plate 300 is disposed between the storage inner cavity body 200 and the profile frame 100. The inner cavity fixing plate 300 can be respectively attached to the profile frame 100 and the storage inner cavity body 200. The inner cavity fixing plate 300 and the storage inner cavity body 200 are detachably connected and fixed by fasteners 330 at the attached position. The inner cavity fixing plate 300 and the profile frame 100 are detachably connected and fixed at the attached position by fasteners 330. The inner cavity fixing plate 300 has the effect of connecting the profile frame 100 and the storage inner cavity body 200. The fasteners 330 are used to achieve detachable connection and fixation, which is convenient for disassembly and assembly.

[0040] Specifically, the two sides of the inner cavity 200 are connected and fixed to the profile frame 100 through the inner cavity fixing plates 300 to achieve firm fixation. In other embodiments, the inner cavity fixing plates 300 can also be set at multiple positions outside the inner cavity 200 to achieve fixation of the inner cavity 200 and the profile frame 100.

[0041] In addition, the inner cavity fixing plate 300 is made of a heat-non-conductive material, so that the inner cavity body 200 is suspended inside the profile frame 100, while isolating the cold bridge to prevent the cold from being exported.

[0042] Reference Figure 3 and Figure 4In this embodiment, the inner cavity 200 is stored with outwardly folded edges 220 on both sides opposite to the opening 210; the profile frame 100 includes two columns 110 arranged on both sides opposite to the inner cavity 200, and each column 110 is arranged corresponding to the position of a curling edge 220; the inner cavity fixing plate 300 includes a first plate 310 and a second plate 320 connected to each other, the first plate 310 is attached to the curling edge 220 and fixedly connected by a fastener 330, and the second plate 320 is attached to the column 110 and fixedly connected by the fastener 330.

[0043] A column 110 is correspondingly arranged on one side of each curling edge 220, and the inner cavity fixing plate 300 is located between the curling edge 220 and the column 110. The first plate 310 of the inner cavity fixing plate 300 is fitted with the curling edge 220, and the second plate 320 is fitted with the column 110. The fitting positions are detachably connected and fixed by fasteners 330. The fasteners 330 are bolts or screws.

[0044] Specifically, the opening 210 of the storage inner cavity 200 is rectangular, and two opposite sides of the opening 210 are respectively provided with outwardly folded edges 220, and the column 110 is located on one side of the edge 220. Specifically, the profile frame 100 includes four columns 110, and the four columns 110 are arranged at intervals in a square shape, and the storage inner cavity 200 is fixed between the four columns 110.

[0045] Specifically, the inner cavity fixing plate 300 includes a first fixing plate, a second fixing plate and a third fixing plate which are connected in sequence in a "Z"-shaped structure. The first fixing plate is fitted with the rolled edge 220, and the third fixing plate is fitted with the rear side of the column 110, and they are fixed at the fitting position by multiple bolts.

[0046] Reference Figure 1 , Figure 2 and Figure 3 In this embodiment, a plurality of bosses 400 are arranged at intervals along the height direction on both sides of the opening 210 in the storage inner cavity 200; the low-temperature storage box fixed frame assembly 10 also includes a plurality of racks 410, each rack 410 is slidably arranged between two bosses 400 corresponding to the two side positions in the storage inner cavity 200, and the racks 410 are used to place items.

[0047] A plurality of bosses 400 are respectively arranged on opposite sides of the storage inner cavity 200, and the bosses 400 on both sides correspond to each other in the height direction. A shelf 410 is slidably installed between each group of two corresponding bosses 400 to support the shelf 410, facilitate the extraction or insertion of the shelf 410, and is suitable for placing shelves 410 of different heights to make the best use of the internal storage space. A tray 430 is also arranged on the shelf 410, and the tray 430 is used to place items.

[0048] by Figure 3 The relative positions in the storage cavity 200 are introduced, the storage cavity body 200 is fixed on the profile frame 100 by the left and right inner cavity fixing plates 300, a shelf 410 is placed inside, and the tray 430 is fixed on the shelf 410. The shelf 410 and the inner cavity are not fixed, and the protrusions on the inner side of the storage cavity body 200 support the shelf 410. The shelf 410 can be manually pulled out or added, which is suitable for test kits of different heights to a certain extent, and the internal storage space is used as much as possible.

[0049] Reference Figure 1 , Figure 2 and Figure 3 In this embodiment, groove rails 420 extending in a direction perpendicular to the opening 210 are respectively provided on both sides of the storage rack 410 and the boss 400 for sliding cooperation, and the groove rails 420 and the boss 400 are for sliding cooperation.

[0050] The groove slide rail 420 extends in a direction perpendicular to the opening 210 , so as to facilitate the storage rack 410 to be pulled out or inserted between the two bosses 400 .

[0051] Reference Figure 1 , Figure 2 and Figure 3 In this embodiment, the profile frame 100 includes a mounting base plate 120 disposed below the storage inner cavity 200 , and a mounting space is formed between the mounting base plate 120 and the storage inner cavity 200 , and the mounting base plate 120 is used to install the compressor 510 and the condenser 520 .

[0052] The installation space can accommodate the compressor 510 and the condenser 520 mounted and fixed on the installation base plate 120. In addition, the cooling fan and the like are also installed on the installation base plate 120, so that the overall center of gravity sinks and ensures the stability of the center of gravity.

[0053] Reference Figure 1 , Figure 2 and Figure 3 In this embodiment, the low-temperature preservation box fixed frame assembly 10 further includes an infrared distance sensor 500 , which is fixed on the profile frame 100 , and is used to detect the access position of the object at the opening 210 .

[0054] In the process of accessing an object through the opening 210 , the position of the object is detected by the infrared ranging sensor 500 .

[0055] Reference Figure 1 , Figure 2 and Figure 3In this embodiment, the infrared distance measuring sensor 500 is fixed on the top of the profile frame 100 , and the infrared distance measuring sensor 500 is correspondingly arranged above the opening 210 .

[0056] The infrared distance sensor 500 is located above the opening 210 and is fixedly mounted on the top of the profile frame 100. Specifically, the low-temperature storage box fixed frame assembly 10 also includes a connecting rod fixing member, which is fixed on the profile frame 100 and located above the opening 210. The infrared distance sensor 500 is fixed on the connecting rod fixing member to detect the position of the object accessed from the lower opening 210.

[0057] The embodiment of the utility model also provides a low temperature preservation box, which includes a preservation box shell and a low temperature preservation box fixed frame assembly 10; the low temperature preservation box fixed frame assembly 10 is installed in the preservation box shell. The low temperature preservation box fixed frame assembly 10 is installed in the preservation box shell as a whole, which is convenient for assembly and later disassembly and maintenance.

[0058] In this embodiment, the low-temperature preservation box also includes a condensing copper tube and a polyurethane foam layer; the condensing copper tube is wound around the outer wall of the preservation inner cavity 200 and is wrapped and fixed by the polyurethane foam layer.

[0059] The preservation inner cavity 200 and the condensing copper tube are bonded together through the polyurethane foam layer foaming process. Later, the preservation inner cavity 200 and the condensing copper tube can be separated from the profile frame 100 as a whole. At the same time, the condensing copper tube plays a role in cooling the interior of the preservation inner cavity 200, and the polyurethane foam layer plays a role in reducing the internal cold loss.

[0060] According to a low-temperature preservation box fixed frame assembly 10 provided in this embodiment, the working principle of the low-temperature preservation box fixed frame assembly 10 is as follows: the profile frame 100 is used as an integral frame; the compressor 510, the condenser 520, the cooling fan, etc. are installed on the bottom mounting base plate 120; the outer side of the preservation inner cavity 200 is wrapped with a condensing copper tube to cool the inside of the preservation inner cavity 200; at the same time, the polyurethane foam layer is used for heat preservation to reduce the loss of cold in the preservation inner cavity 200, and a copper pipe joint is left to connect with the compressor 510. The storage inner cavity 200 is fixed in suspension in the profile frame 100 through the inner cavity fixing plate 300; a protrusion is provided on the inner side of the storage inner cavity 200 for supporting a storage rack 410, on which a tray 430 is fixed, and the storage rack 410 can be manually pulled out or added, which is suitable for reagent kits of different heights to a certain extent, and the internal storage space is utilized as much as possible; an infrared ranging sensor 500 is installed above the profile frame 100, and the access position is identified and determined by infrared ranging during the access process.

[0061] The low temperature storage box fixed frame assembly 10 provided in this embodiment has at least the following advantages:

[0062] The preservation inner cavity 200 is suspended and fixed in the profile frame 100, independent of the preservation box shell, which is convenient for assembly and subsequent equipment maintenance.

[0063] The condensing copper tube is coiled on the outer wall of the storage inner cavity 200, and provides a continuous cold source for the inner cavity through direct cooling. At the same time, the temperature uniformity is high and the temperature control accuracy is high, which plays a role in cooling the inside of the storage inner cavity 200. At the same time, it is fully covered with a polyurethane foam layer to reduce the cold loss inside the storage inner cavity 200. In addition, it can be easily detached from the outer shell of the storage box.

[0064] The compressor 510 and other refrigeration components are arranged and fixed below the profile frame 100, so that the overall center of gravity is lowered to ensure the stability of the center of gravity.

[0065] An infrared distance measuring sensor 500 is installed on the profile frame 100. During the access process, the access position is identified and determined by infrared distance measurement.

[0066] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A low temperature storage box fixed frame assembly, characterized in that: include: A profile frame (100), the profile frame (100) being used to be fixed in a preservation box shell; A storage inner cavity (200), wherein the storage inner cavity (200) is provided with an opening (210) for storing and accessing articles, and the storage inner cavity (200) is detachably fixed in the profile frame (100); A heat-non-conductive inner cavity fixing plate (300) and a fastener (330), wherein the inner cavity fixing plate (300) is used to simultaneously fit with the profile frame (100) and the storage inner cavity body (200), and is fixedly connected at the fitting position by the fastener (330).

2. The low temperature storage box fixing frame assembly according to claim 1, characterized in that: The storage inner cavity (200) is provided with outwardly folded edges (220) on two sides opposite to the position of the opening (210); the profile frame (100) includes two columns (110) arranged on two sides opposite to the position of the storage inner cavity (200), and each of the columns (110) is arranged corresponding to the position of one of the edges (220); the inner cavity fixing plate (300) includes a first plate (310) and a second plate (320) connected to each other, the first plate (310) is attached to the edge (220) and fixedly connected by the fastener (330), and the second plate (320) is attached to the column (110) and fixedly connected by the fastener (330).

3. The low temperature storage box fixing frame assembly according to any one of claims 1 to 2, characterized in that: A plurality of bosses (400) are arranged at intervals along the height direction on both sides of the opening (210) in the storage inner cavity (200); the low-temperature storage box fixed frame assembly also includes a plurality of racks (410), each of the racks (410) is slidably arranged between two corresponding bosses (400) at two side positions in the storage inner cavity (200), and the racks (410) are used to place articles.

4. The low temperature storage box fixing frame assembly according to claim 3, characterized in that: Groove slide rails (420) extending in a direction perpendicular to the opening (210) are respectively provided on both sides of the storage rack (410) and the boss (400) in sliding cooperation, and the groove slide rails (420) are in sliding cooperation with the boss (400).

5. The low temperature storage box fixing frame assembly according to any one of claims 1 to 2, characterized in that: The profile frame (100) includes a mounting base plate (120) disposed below the storage inner cavity (200), an installation space is formed between the mounting base plate (120) and the storage inner cavity (200), and the mounting base plate (120) is used to install a compressor (510) and a condenser (520).

6. The low temperature storage box fixing frame assembly according to any one of claims 1 to 2, characterized in that: The low-temperature preservation box fixed frame assembly also includes an infrared distance sensor (500), which is fixed on the profile frame (100) and is used to detect the access position of the article at the opening (210).

7. The low temperature storage box fixing frame assembly according to claim 6, characterized in that: The infrared distance measuring sensor (500) is fixed on the top of the profile frame (100), and the infrared distance measuring sensor (500) is correspondingly arranged above the opening (210).

8. A low temperature storage box, characterized in that: The low-temperature preservation box comprises a preservation box shell and a low-temperature preservation box fixing frame assembly according to any one of claims 1 to 7; the low-temperature preservation box fixing frame assembly is installed in the preservation box shell.

9. The low temperature storage box according to claim 8, characterized in that: The low-temperature preservation box also includes a condensing copper tube and a polyurethane foam layer; the condensing copper tube is wound and arranged on the outer wall of the preservation inner cavity (200), and is wrapped and fixed by the polyurethane foam layer.

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