Feces sample preservation tool

By using a compartmentalized design and a fecal sample preservation device with multiple cooling methods, the problems of large size and inconvenience of existing devices have been solved, achieving efficient and flexible sample preservation.

CN224014245UActive Publication Date: 2026-03-20CHONGQING MIDEA BIOTECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing fecal sample preservation devices are bulky, inconvenient to carry, and difficult to preserve multiple samples efficiently at the same time.

Method used

The insulated refrigerated container features a compartmentalized design, combining dry ice/cold water cooling sources and semiconductor cooling chips to provide two cooling methods. The support structure prevents samples from directly contacting the cold source, ensuring sample stability and portability.

Benefits of technology

It achieves miniaturization and portability, and can simultaneously refrigerate and preserve 5 to 10 fecal samples, improving the flexibility and reliability of preservation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224014245U_ABST
    Figure CN224014245U_ABST
Patent Text Reader

Abstract

The utility model provides an excrement sample preservation tool, which comprises a thermal insulation refrigeration container, a refrigeration bottom cover and a top cover, a support structure for placing a sampling tube is fixedly arranged in the thermal insulation refrigeration container, the support structure divides the interior of the thermal insulation refrigeration container into an upper chamber and a lower chamber, the upper chamber is not communicated with the lower chamber, and the top cover is fixedly arranged on the refrigeration bottom cover. A top cover is detachably and fixedly installed at an opening of an upper cavity of the heat preservation and refrigeration container, and a refrigeration bottom cover is detachably and fixedly installed at an opening of a lower cavity of the heat preservation and refrigeration container. Due to the overall arrangement, the portable excrement sampling device is small in size and convenient to carry, has two refrigeration modes, and can be used for refrigerating and storing 5-10 excrement sampling pipes filled with excrement samples at a time, so that the whole portable excrement sampling device is more convenient, flexible, safe and reliable in the using process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of fecal sample preservation, and in particular to a fecal sample preservation device. Background Technology

[0002] Fecal sample preservation equipment is a key tool to ensure that fecal samples retain their original properties and are protected from contamination and deterioration during collection, transportation and storage.

[0003] A search revealed a device for preserving Sichuan golden snub-nosed monkey feces samples for DNA extraction, disclosed in Chinese Patent No. CN 218464181 U. This device includes a box and an air outlet. An air outlet is located on one side of the box, and an exhaust fan is installed inside the outlet. A purification chamber is located on one side of the outlet and is fixedly connected to the box. An activated carbon layer is installed inside the purification chamber, and this layer is also fixedly connected to the purification chamber. Two mesh panels are installed inside the purification chamber, with cotton balls placed between them. A sealing cover is located on the top of the purification chamber and is fixedly attached to it. When the exhaust fan is activated to expel odors from inside the box, the odors are drawn into the purification chamber and absorbed by the activated carbon layer and cotton balls, thus improving the quality of the exhaust air and preventing pollution of the surrounding environment. The sealing cover facilitates the replacement of the cotton balls.

[0004] However, the aforementioned device for preserving fecal samples from golden snub-nosed monkeys used for DNA extraction is large in size and inconvenient to carry, thus having certain limitations.

[0005] Therefore, it is essential to invent a device for preserving fecal samples. Utility Model Content

[0006] To solve the above-mentioned technical problems, the present invention provides a fecal sample preservation device with the following technical solution: a fecal sample preservation device, comprising an insulated refrigerated container, a refrigerated bottom cover and a top cover, wherein: a support structure for placing sampling tubes is fixedly installed inside the insulated refrigerated container, the support structure divides the interior of the insulated refrigerated container into an upper chamber and a lower chamber, the upper chamber and the lower chamber are not connected, the top cover is detachably fixedly installed at the opening of the upper chamber of the insulated refrigerated container, and the refrigerated bottom cover is detachably fixedly installed at the opening of the lower chamber of the insulated refrigerated container;

[0007] A cold source is placed in the lower chamber.

[0008] The bottom of the insulated refrigerated container is provided with an integrated bottom screw hole, which is coaxially connected to the lower chamber, and the bottom screw hole is detachably and fixedly connected to the refrigeration bottom cover.

[0009] The top of the insulated refrigerated container is provided with an integrated head screw hole, which is coaxially connected to the upper chamber and is detachably fixed to the top cover.

[0010] The support structure includes a support plate, storage cylinders, and retrieval ports. The support plate is coaxially and fixedly sealed inside the upper middle part of the insulated refrigeration container. Several storage cylinders with upward openings are evenly fixedly installed on the bottom surface of the support plate. The storage cylinders are located in the lower chamber and are not connected to the lower chamber. Several retrieval ports are opened on the support plate, corresponding to the openings of the storage cylinders. The retrieval ports are connected to the upper chamber and the storage cylinders.

[0011] The cooling bottom cover is equipped with a semiconductor cooling chip inside, with the cooling surface of the semiconductor cooling chip located on the side near the opening of the cooling bottom cover. The control panel of the semiconductor cooling chip is fixedly installed on the outside of the cooling bottom cover.

[0012] The outer circumferential surface of the cooling base cover is uniformly provided with several integrated fins, and the side of the cooling base cover away from the opening is uniformly provided with several heat dissipation holes. The heating surface of the semiconductor cooling chip is in contact with the outside air of the cooling base cover through the heat dissipation holes.

[0013] Indicator markings are provided on the outer surface of the insulated refrigerated container.

[0014] Compared with the prior art, the advantages of this utility model are:

[0015] The overall design of this utility model is not only small and portable, but also features two refrigeration methods. It can refrigerate and preserve 5 to 10 fecal sampling tubes containing fecal samples at a time, making the whole process more convenient, flexible, safe and reliable. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall sealed structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the overall exploded structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the sampling tube removal structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the storage cylinder and lower chamber structure of this utility model.

[0020] Figure 5 This is a partial cross-sectional view of the cooling bottom cover of this utility model.

[0021] In the picture:

[0022] Thermal insulation cold storage container 1, bottom spout 2, head spout 3, support disc 4, storage cylinder 5, taking and placing opening 6, refrigeration bottom cover 7, semiconductor refrigeration sheet 71, control panel 72, fin 73, heat dissipation hole 74, top cover 8, sampling tube 9, indicating mark 10, upper chamber 11, lower chamber 12. DETAILED DESCRIPTION

[0023] In order to enable personnel in the technical field to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0024] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The present application will be further described below in conjunction with the drawings:

[0026] EMBODIMENT

[0027] REFERENCE Figures 1-5 A feces sample storage device, comprising a thermal insulation cold storage container 1, a refrigeration bottom cover 7 and a top cover 8, wherein: the thermal insulation cold storage container 1 is internally fixedly installed with a support structure for placing a sampling tube 9, the support structure divides the thermal insulation cold storage container 1 into an upper chamber 11 and a lower chamber 12, the upper chamber 11 and the lower chamber 12 are not communicated, a top cover 8 is detachably fixedly installed at the opening of the upper chamber 11 of the thermal insulation cold storage container 1, and a refrigeration bottom cover 7 is detachably fixedly installed at the opening of the lower chamber 12 of the thermal insulation cold storage container 1.

[0028] Specifically, the shell of the heat preservation and refrigeration container 1 adopts a stainless steel heat preservation cup structure.

[0029] Specifically, the lower chamber 12 is placed with a cold source, such as dry ice, cold water, etc., so as to cool the heat preservation and refrigeration container 1 through the dry ice, cold water, etc., so as to cool and preserve the sampling tube 9 containing the fecal sample.

[0030] Specifically, the bottom of the heat preservation and refrigeration container 1 is provided with an integrated bottom screw port 2, which is coaxially communicated between the bottom screw port 2 and the lower chamber 12, and the bottom screw port 2 is threadedly connected with the refrigeration bottom cover 7, so as to be disassembled and placed with a cold source in the lower chamber 12.

[0031] Specifically, the top of the heat preservation and refrigeration container 1 is provided with an integrated head screw port 3, which is coaxially communicated between the head screw port 3 and the upper chamber 11, and the head screw port 3 is threadedly connected with the top cover 8, so as to be disassembled and placed with a sampling tube 9.

[0032] Specifically, the support structure includes a support disc 4, a storage cylinder 5 and a taking and placing port 6, the support disc 4 is coaxially fixedly and sealingly installed at the upper middle part inside the heat preservation and refrigeration container 1, the bottom surface of the support disc 4 is uniformly fixedly installed with five to ten storage cylinders 5 with openings upward, so as to contain the sampling tube 9 and ensure the stability of the sampling tube 9 inside the heat preservation and refrigeration container 1, the storage cylinder 5 is in the lower chamber 12 and does not communicate with the lower chamber 12, a plurality of taking and placing ports 6 corresponding to the openings of the storage cylinder 5 are formed in the support disc 4, the taking and placing port 6 communicates with the upper chamber 11 and the storage cylinder 5, through the arrangement of the support structure, the sampling tube 9 can be prevented from directly contacting the cold source in the lower chamber 12, and the cold source can be prevented from leaking when the top cover 8 is opened and the sampling tube 9 is taken and placed.

[0033] Specifically, the refrigeration bottom cover 7 is internally provided with a semiconductor refrigeration sheet 71, the refrigeration surface of the semiconductor refrigeration sheet 71 is close to the side of the refrigeration bottom cover 7 opening, so as to cool the heat preservation and refrigeration container 1 through the semiconductor refrigeration sheet 71, thereby cooling and preserving the sampling tube 9 containing the fecal sample, and the control panel 72 of the semiconductor refrigeration sheet 71 is fixedly installed on the outside of the refrigeration bottom cover 7, so as to control the semiconductor refrigeration sheet 71 through the control panel 72.

[0034] The semiconductor refrigeration sheet 71 adopts a TEC1-12706 refrigeration sheet;

[0035] The control panel 72 is internally provided with a storage battery, externally provided with a touch screen, control buttons and a USB charging hole for charging the storage battery;

[0036] The controller of the control panel 72 adopts a single-chip microcomputer;

[0037] Meanwhile, a temperature sensor can be installed in the lower chamber 12, and when the temperature sensor detects that the temperature in the lower chamber 12 is too high, a signal is sent to each single-chip microcomputer, so that the single-chip microcomputer automatically controls the semiconductor refrigeration piece 71 to cool the heat-preservation refrigeration container 1.

[0038] Specifically, the outer periphery of the refrigeration bottom cover 7 is uniformly provided with a plurality of one-piece fins 73, and a plurality of heat dissipation holes 74 are uniformly arranged on the side of the refrigeration bottom cover 7 away from the opening, and the heating surface of the semiconductor refrigeration piece 71 is in contact with the external air of the refrigeration bottom cover 7 through the heat dissipation holes 74, so as to cool the heating surface of the semiconductor refrigeration piece 71 through the fins 73 and the heat dissipation holes 74, increase the heat dissipation area, and better dissipate heat.

[0039] Specifically, the heat-preservation refrigeration container 1 is provided with an indication mark 10, such as an indication arrow, so that when the heat-preservation refrigeration container 1 is placed, the opening of the upper chamber 11 of the heat-preservation refrigeration container 1 can be determined through the indication mark 10, so as to avoid being placed upside down.

[0040] It should be noted that the heat-preservation refrigeration container 1, the refrigeration bottom cover 7 and the top cover 8 have the same diameter.

[0041] In this embodiment, when in use, the refrigeration bottom cover 7 is opened, and the corresponding cold source, such as dry ice or cold water, is placed in the lower chamber 12, and after being placed, the refrigeration bottom cover 7 is covered, so as to prevent cold air leakage, and in addition to the structure of the heat-preservation refrigeration container 1, the refrigeration time of the dry ice or cold water can be prolonged, and when the dry ice or cold water has no cold air, the dry ice or cold water can be replaced.

[0042] Then, the top cover 8 is opened, the sampling tube 9 containing excrement is placed in the corresponding storage cylinder 5 in the upper chamber 11 through the taking and placing opening 6, and the top cover 8 is covered.

[0043] Meanwhile, when the dry ice or cold water has no cold air, the heat-preservation refrigeration container 1 can be cooled through the semiconductor refrigeration piece 71, so as to prolong the overall refrigeration time.

[0044] In this way, the sampling tube 9 containing excrement can be refrigerated and stored, the storage time is prolonged, and transportation and carrying are facilitated.

[0045] The technical scheme of the utility model, or the technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, which achieves the above technical effects, falls within the protection scope of the utility model 。

Claims

1. A fecal sample preservation device, characterized in that: The container includes an insulated refrigerated container (1), a refrigerated bottom cover (7), and a top cover (8), wherein: the insulated refrigerated container (1) has a support structure for placing a sampling tube (9) fixedly installed inside, the support structure divides the interior of the insulated refrigerated container (1) into an upper chamber (11) and a lower chamber (12), the upper chamber (11) and the lower chamber (12) are not connected, the top cover (8) is detachably fixedly installed at the opening of the upper chamber (11) of the insulated refrigerated container (1), and the refrigerated bottom cover (7) is detachably fixedly installed at the opening of the lower chamber (12) of the insulated refrigerated container (1); A cold source is placed in the lower chamber (12).

2. The fecal sample preservation device as described in claim 1, characterized in that: The bottom of the insulated refrigerated container (1) is provided with an integrated bottom screw hole (2), which is coaxially connected to the lower chamber (12), and the bottom screw hole (2) is detachably fixed to the refrigeration bottom cover (7).

3. The fecal sample preservation device as described in claim 2, characterized in that: The top of the insulated refrigerated container (1) is provided with an integrated head screw hole (3), which is coaxially connected to the upper chamber (11), and the head screw hole (3) is detachably fixed to the top cover (8).

4. The fecal sample preservation device as described in claim 3, characterized in that: The support structure includes a support plate (4), a storage cylinder (5), and a pick-up / placement port (6). The support plate (4) is coaxially and fixedly sealed inside the insulated refrigerated container (1) in the upper middle part. Several storage cylinders (5) with their openings facing upwards are evenly fixedly installed on the bottom surface of the support plate (4). The storage cylinders (5) are located in the lower chamber (12) and are not connected to the lower chamber (12). Several pick-up / placement ports (6) corresponding to the openings of the storage cylinders (5) are opened on the support plate (4). The pick-up / placement ports (6) are connected to the upper chamber (11) and the storage cylinders (5).

5. The fecal sample preservation device as described in claim 1, characterized in that: The cooling bottom cover (7) is provided with a semiconductor cooling chip (71) inside. The cooling surface of the semiconductor cooling chip (71) is close to the opening of the cooling bottom cover (7). The control panel (72) of the semiconductor cooling chip (71) is fixedly installed on the outside of the cooling bottom cover (7).

6. The fecal sample preservation device as described in claim 5, characterized in that: The outer periphery of the cooling base cover (7) is uniformly provided with a number of integrated fins (73), and a number of heat dissipation holes (74) are uniformly opened on the side of the cooling base cover (7) away from the opening. The heating surface of the semiconductor cooling chip (71) is in contact with the external air of the cooling base cover (7) through the heat dissipation holes (74).

7. The fecal sample preservation device as described in claim 3, characterized in that: The outer surface of the insulated refrigerated container (1) is provided with an indicator mark (10).

Citation Information

Patent Citations

  • Golden snub monkey excrement sample preservation device for DNA extraction

    CN218464181U