Stem cell low-temperature storage device

Abstract

The utility model discloses a stem cell low-temperature storage device which comprises a storage box and a liquid nitrogen box, the liquid nitrogen box is arranged above the middle of the interior of the storage box, first partition plates are symmetrically and fixedly installed on the two sides of the lower portion of the liquid nitrogen box respectively, and the interior of the storage box is divided into a cold cavity and a storage cavity through the two first partition plates. A second partition plate is fixedly installed in the middle of the interior of a storage cavity of the storage box, layer plates are symmetrically and fixedly installed in the middles of the two sides of the second partition plate respectively, the interior of the storage cavity of the storage box is divided into four storage areas through the second partition plate and the two layer plates, and the first partition plate, the second partition plate and the layer plates are all made of die-casting aluminum alloy. And the storage box is arranged in the storage cavity of the storage box, and sealing covers are symmetrically and rotationally installed on the two sides of the middle of the front end of the storage box correspondingly. According to the stem cell low-temperature storage device, when test tubes are taken out, air inside and outside a box body cannot generate large convection, and therefore the low-temperature environment needed by other test tubes storing stem cells is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to storage device technical field especially relates to a stem cell low temperature storage device. BACKGROUND

[0002] Stem cell is the proliferation and differentiation potential cell with self -renewing replication ability, can produce highly differentiated, is the original cell of the formation of mammal each tissue organ, stem cell has the commonality in the morphology, usually round or oval, cell volume is small, the nucleus is relatively large, the cell nucleus is mostly euchromatin, and has higher telomerase activity, stem cell can be divided into embryonic stem cell and adult stem cell, in the storage process of stem cell, it needs to carry out cold storage treatment.

[0003] For example, the authorized patent (a stem cell low temperature storage device) with the announcement number CN 210470815 U: including the storage box, the bottom end inner wall middle part of storage box is provided with pneumatic cylinder, pneumatic cylinder is connected with push rod, the top of push rod is fixedly connected with the bottom side middle part of support plate, the upper surface middle part of support plate is vertically fixedly installed with connecting plate, the top of connecting plate is fixedly connected with the bottom side middle part of baffle, the upper surface middle part of baffle is provided with liquid nitrogen tank, the bottom of liquid nitrogen tank is connected with pipe, the inside of pipe is provided with solenoid valve, the middle part of connecting plate is vertically provided with through groove, the left side and right side inner wall of through groove is provided with a plurality of groups of through -hole, the upper surface of support plate is installed with fixed block left and right ends, the upper surface of fixed block is provided with a plurality of groups of fixed groove, the inside of fixed groove is placed with test tube, the upper surface left end of baffle is provided with control panel;

[0004] The above prior art can automatically push the support plate upward by the push rod, further push the test tube in the fixed groove on the upper surface of the fixed block out of the storage box, and is convenient to take, but when taking out the test tube every time, the air inside and outside the box produces a large convection, causes the cold air in the storage box to lose a lot, influences the low temperature environment required by other test tubes storing stem cells, for this, we propose stem cell low temperature storage device. UTILITY MODEL CONTENTS

[0005] One object of the utility model is to solve at least the above problems, and provide at least the advantages to be explained later.

[0006] Another object of the utility model is to provide stem cell low temperature storage device, when taking out test tube, the air inside and outside the box will not produce a large convection, thereby being favorable to the low temperature environment required by other test tubes storing stem cells.

[0007] To achieve the above object and some other objects, the utility model adopts the following technical scheme:

[0008] A stem cell low-temperature storage device, comprising a storage box,

[0009] A liquid nitrogen tank is arranged above the middle of the inside of the storage box, and the storage box is fixedly connected with the liquid nitrogen tank, two sides below the liquid nitrogen tank are fixedly and symmetrically provided with baffle one, the inside of the storage box is divided into a cold cavity and a storage cavity through the two baffle one, the middle of the inside of the storage cavity of the storage box is fixedly provided with baffle two, the middle of both sides of the baffle two is fixedly and symmetrically provided with layer plate, the inside of the storage cavity of the storage box is divided into four storage areas through the baffle two and the two layer plates, and the baffle one, the baffle two and the layer plate are all made of die-cast aluminum alloy.

[0010] A storage box is arranged in the inside of the storage cavity of the storage box, and four storage boxes are arranged, and the four storage boxes are arranged in the four storage areas in the inside of the storage cavity and divided by the baffle two and the two layer plates, the storage box comprises a groove body and a box cover, and two sides of the middle of the front end of the storage box are fixedly and symmetrically provided with a cover.

[0011] Preferably, a test tube plate is fixedly installed above the inside of the groove body, the inside of the test tube plate is provided with a plurality of accommodation holes.

[0012] Preferably, a rubber pad is fixedly installed at the bottom of the inside of the groove body, and a plurality of air holes are symmetrically arranged on both sides of the groove body.

[0013] Preferably, a temperature sensor is arranged on one side above the inside of the four storage areas in the inside of the storage cavity and divided by the baffle two and the two layer plates, and an operation panel is fixedly installed above the middle of the front end of the storage box.

[0014] Preferably, an output pipe is symmetrically arranged below both sides of the inside of the cold cavity along the liquid nitrogen tank, the output pipe is in communication with the liquid nitrogen tank, and an electromagnetic valve is fixedly installed on the outside of the output pipe.

[0015] Preferably, a guide plate is arranged in the inside of the cold cavity, the guide plate comprises a flow guide inclined plate and a flow guide vertical plate, the flow guide inclined plate is fixedly installed above the flow guide vertical plate, and the flow guide inclined plate and the flow guide vertical plate are fixedly connected with the storage box.

[0016] Preferably, a sealing cover is threadedly installed above the liquid nitrogen tank, and a handle is fixedly and symmetrically arranged on both sides above the storage box.

[0017] The utility model at least has the following beneficial effects:

[0018] 1. The utility model provides a partition plate 1, a partition plate 2, and a layer plate made of die-cast aluminum alloy inside the storage box, and separates the cold chamber and the storage chamber. The partition plate 2 and the layer plate are used to divide the storage chamber into four independent storage areas, thereby effectively isolating the storage space and reducing direct convection of air inside and outside the box each time the storage box is opened to remove the test tubes. This can significantly reduce the loss of cold air inside the storage box, thereby maintaining the stable low-temperature environment required for storing test tubes containing stem cells in other storage areas, reducing the impact of temperature fluctuations on the preservation quality of stem cells, and facilitating the long-term safe storage of stem cells. At the same time, by dividing the storage chamber into four independent storage areas, it is also convenient to store different batches of stem cells separately, thereby increasing the flexibility and practicality of the storage device.

[0019] 2. The utility model installs a test tube plate with multiple placement holes inside the trough body. The multiple placement holes inside the test tube plate enable test tubes containing stem cells to be placed in the storage box in an orderly and stable manner, avoiding mutual collision and shaking between the test tubes, ensuring the safety and stability of the stem cells during low-temperature storage, and improving storage efficiency.

[0020] 3. The utility model can reduce direct contact between the test tube and the bottom of the tank by fixing a rubber pad at the bottom of the tank, preventing damage to the bottom of the test tube due to excessively low temperature. At the same time, multiple vents are symmetrically arranged on both sides of the tank, so that the low temperature in the cold chamber can be transferred to the storage box more quickly, ensuring that the stem cells in the test tube are in a stable low-temperature environment, which is conducive to the storage of stem cells.

[0021] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a cross-sectional view of the storage box of the present utility model;

[0024] Figure 3 This is a structural diagram of a storage box of the present invention;

[0025] Figure 4 It is an enlarged schematic diagram of part A of the present invention. DETAILED DESCRIPTION

[0026] The present invention is described in detail below with reference to the accompanying drawings so that those skilled in the art can implement the invention accordingly after reading the description.

[0027] like Figure 1-4As shown, a stem cell low temperature storage device comprises: a storage box 1,

[0028] The liquid nitrogen box 5 is arranged above the middle of the storage box 1, and the storage box 1 is fixedly connected to the liquid nitrogen box 5. Partitions 10 are symmetrically fixedly installed on both sides of the bottom of the liquid nitrogen box 5. The interior of the storage box 1 is divided into a cold chamber 101 and a storage chamber 102 by the two partitions 10. A partition 2 is fixedly installed in the middle of the storage chamber 102 of the storage box 1. Shelves 12 are symmetrically fixedly installed in the middle of both sides of the partition 2 11. The interior of the storage chamber 102 of the storage box 1 is divided into four storage areas by the partition 2 11 and the two shelves 12. The partition 10, the partition 2 11 and the shelves 12 are all made of die-cast aluminum alloy.

[0029] The storage box 13 is arranged inside the storage cavity 102 of the storage box 1, and four storage boxes 13 are provided. The four storage boxes 13 are respectively located in the storage cavity 102 and divided into four storage areas by the partition 2 11 and the two layer plates 12. The storage box 13 includes a trough body 1301 and a box cover 1302. The two sides of the middle of the front end of the storage box 1 are symmetrically rotated with the cover 4 installed.

[0030] In the above scheme, by using partition 2 and the layer plate to divide the storage cavity into four independent storage areas, the storage space is effectively isolated, and the direct convection of air inside and outside the box is reduced each time the storage box is opened to take out the test tubes. The loss of cold air inside the storage box can be significantly reduced, thereby maintaining the stable low-temperature environment required for storing test tubes containing stem cells in other storage areas, reducing the impact of temperature fluctuations on the preservation quality of stem cells, and is conducive to the long-term safe storage of stem cells. At the same time, by dividing the storage cavity into four independent storage areas, it is also convenient to store different batches of stem cells separately, increasing the flexibility and practicality of the storage device.

[0031] In a preferred embodiment, a test tube plate 14 is fixedly installed above the interior of the tank body 1301 , and a plurality of placement holes 1401 are provided inside the test tube plate 14 .

[0032] In the above solution, multiple placement holes are provided inside the test tube plate, so that the test tubes containing stem cells can be placed in the storage box in an orderly and stable manner, avoiding mutual collision and shaking between the test tubes, ensuring the safety and stability of the stem cells during low-temperature storage, and improving storage efficiency.

[0033] In a preferred embodiment, a rubber pad 15 is fixedly installed on the bottom of the tank body 1301 , and ventilation holes 13011 are symmetrically provided on both sides of the tank body 1301 , and a plurality of ventilation holes 13011 are provided.

[0034] In the above solution, the provision of the rubber pad can reduce direct contact between the test tube and the bottom of the tank, preventing damage to the bottom of the test tube due to excessively low temperature. At the same time, the provision of the vent hole enables the low temperature in the cold chamber to be transferred into the storage box more quickly, ensuring that the stem cells in the test tube are in a stable low-temperature environment, which is conducive to the storage of stem cells.

[0035] In a preferred embodiment, the storage chamber 102 is divided into four storage areas by the partition 11 and the two layers 12. A temperature sensor 17 is provided on one side of the upper interior. An operation panel 2 is fixedly mounted above the middle of the front end of the storage box 1 .

[0036] In the above solution, the temperature sensor model is a PT100 temperature sensor. The installation of the temperature sensor can monitor the temperature in the storage area in real time, realizing the ability to detect the temperature of the stem cell storage environment.

[0037] In a preferred embodiment, output pipes 7 are symmetrically provided on the inside of the cold chamber 101 along the lower sides of the liquid nitrogen tank 5 . The output pipes 7 are connected to the liquid nitrogen tank 5 , and a solenoid valve 16 is fixedly installed on the outer side of the output pipe 7 .

[0038] In the above solution, the liquid nitrogen in the liquid nitrogen box can be transported to the cold chamber as needed, which is conducive to adjusting the temperature in the storage device through the control of the solenoid valve. This not only improves energy utilization efficiency but also ensures the stability and controllability of the stem cell storage environment.

[0039] In a preferred embodiment, a guide plate is provided inside the cold chamber 101 , and the guide plate includes a guide inclined plate 8 and a guide vertical plate 9 . The guide inclined plate 8 is fixedly installed above the guide vertical plate 9 , and the guide inclined plate 8 and the guide vertical plate 9 are both fixedly connected to the storage box 1 .

[0040] In the above solution, the provision of the guide plate can optimize the flow path of the liquid nitrogen in the cold chamber, ensuring that the liquid nitrogen can flow stably into the cold chamber, thereby increasing practicality.

[0041] In a preferred embodiment, a sealing cover 6 is threadedly mounted on the top of the liquid nitrogen box 5 , and handles 3 are symmetrically mounted on both sides of the top of the storage box 1 .

[0042] In the above solution, the setting of the sealing cover can prevent the volatilization and leakage of liquid nitrogen during the storage process, ensuring the long-term stability and safety of the storage environment. The setting of the handle provides a convenient way of carrying and moving, so that the operation can be easily completed when the storage box needs to be moved or adjusted, thereby improving the convenience and flexibility of use.

[0043] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with this field, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A stem cell cryogenic storage device, wherein: include: Storage box, A liquid nitrogen box is provided above the center of the storage box, and the storage box is fixedly connected to the liquid nitrogen box. Partition 1 is symmetrically fixedly installed on both sides of the bottom of the liquid nitrogen box. The interior of the storage box is divided into a cold chamber and a storage chamber by the two partitions. Partition 2 is fixedly installed in the middle of the storage chamber of the storage box. Shelf plates are symmetrically fixedly installed in the middle of both sides of the partition 2. The storage chamber of the storage box is divided into four storage areas by the partition 2 and the two shelf plates. The partition 1, partition 2 and shelf plates are all made of die-cast aluminum alloy. A storage box is arranged inside the storage cavity of the storage box, and there are four storage boxes. The four storage boxes are respectively located in the storage cavity and divided into four storage areas by partition 2 and two layer plates. The storage box includes a trough body and a box cover, and the two sides of the middle of the front end of the storage box are symmetrically rotatably installed with covers.

2. The stem cell cryogenic storage device according to claim 1, wherein: A test tube plate is fixedly installed above the interior of the tank body, and a plurality of placement holes are provided inside the test tube plate.

3. The stem cell cryogenic storage device according to claim 1, wherein: A rubber pad is fixedly installed on the bottom of the tank body, and ventilation holes are symmetrically arranged on both sides of the tank body, and a plurality of ventilation holes are arranged.

4. The stem cell cryogenic storage device according to claim 1, wherein: The storage cavity is divided into four storage areas by partition board 2 and two layer boards, and a temperature sensor is provided on one side of the upper interior. An operation panel is fixedly installed above the middle of the front end of the storage box.

5. The stem cell cryogenic storage device according to claim 1, wherein: Output pipes are symmetrically arranged on the inside of the cold chamber along the lower sides of the liquid nitrogen box, the output pipes are communicated with the liquid nitrogen box, and a solenoid valve is fixedly installed on the outer side of the output pipe.

6. The stem cell cryogenic storage device according to claim 1, wherein: A guide plate is provided inside the cold chamber. The guide plate includes a guide slant plate and a guide vertical plate. The guide slant plate is fixedly installed above the guide vertical plate, and both the guide slant plate and the guide vertical plate are fixedly connected to the storage box.

7. The stem cell cryogenic storage device according to claim 1, wherein: A sealing cover is threadedly installed on the upper side of the liquid nitrogen box, and handles are symmetrically rotated and installed on both sides of the upper side of the storage box.

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