Constant-temperature test tube for temporary storage of stem cells

Abstract

The utility model discloses a constant-temperature test tube for temporary storage of stem cells, and relates to the technical field of temporary storage of stem cells. The constant-temperature test tube for temporary storage of the stem cells comprises a test tube outer wall, a thermal insulation wall is fixedly connected to the interior of the test tube outer wall, a test tube inner wall is connected to the interior of the thermal insulation wall in an inserted mode, an inner cavity radiator is fixedly connected to the lower end of the interior of the test tube outer wall, and the upper end of the inner cavity radiator extends to the upper end of the test tube outer wall; a control circuit board is fixedly connected to the upper surface of the lower end of the inner cavity radiator and located between the test tube inner wall and the test tube outer wall, a temperature probe is fixedly connected to the lower end between the test tube inner wall and the thermal insulation wall, and a secondary semiconductor chilling plate is fixedly connected to the interior of the test tube outer wall and the lower surface of the inner cavity radiator; the lower surface of the secondary semiconductor chilling plate is fixedly connected with a chilling plate radiator, the lower end of the chilling plate radiator is fixedly connected with a cooling fan, and the upper end of the outer wall of the test tube is in threaded connection with an end cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to stem cell temporary storage technical field, concretely is a constant temperature test tube for stem cell temporary storage. BACKGROUND

[0002] The test tube is a common laboratory glassware, and is mainly used for containing, heating or mixing a small amount of chemical reagents or liquid. However, stem cells need to be temporarily stored in an environment of 2 DEG C to 8 DEG C, and the existing storage method is to place the test tube containing stem cells in the inside of a temperature insulation transport box, and place an ice bag in the inside of the transport box to maintain low temperature. However, the temperature variation range is large, and it is not easy to control, and the use is more troublesome. Therefore, a constant temperature test tube for stem cell temporary storage is designed to solve the above problems. UTILITY MODEL CONTENTS

[0003] (I) technical problem solved

[0004] In view of the defects of the prior art, the utility model provides a constant temperature test tube for stem cell temporary storage, and solves the problem that the temperature variation of the existing test tube temporary storage method is not easy to control.

[0005] (II) technical scheme

[0006] In order to achieve the above purpose, the utility model realizes the following technical scheme:

[0007] The utility model provides a constant temperature test tube for stem cell temporary storage, which comprises: a test tube outer wall which is hollow and has an open upper end, a temperature insulation wall fixedly connected in the inside of the test tube outer wall, a test tube inner wall insertedly connected in the inside of the temperature insulation wall, an inner cavity radiator fixedly connected to the lower end of the inside of the test tube outer wall, wherein the upper end of the inner cavity radiator extends to the upper end of the test tube outer wall, a control circuit board fixedly connected to the lower end of the inside of the test tube outer wall and located between the test tube inner wall and the temperature insulation wall, a temperature probe fixedly connected to the lower end between the test tube inner wall and the temperature insulation wall, a secondary semiconductor refrigeration piece fixedly connected to the lower surface of the inner cavity radiator in the inside of the test tube outer wall, a refrigeration piece radiator fixedly connected to the lower surface of the secondary semiconductor refrigeration piece, a cooling fan fixedly connected to the lower end of the refrigeration piece radiator, a end cap threadedly connected to the upper end of the test tube outer wall, and the control circuit board, the temperature probe, the secondary semiconductor refrigeration piece and the cooling fan are electrically connected.

[0008] Preferably, the front surface of the test tube outer wall is fixedly connected with a temperature display screen at the lower end, and the temperature display screen is electrically connected with the control circuit board.

[0009] Preferably, the test tube outer wall and the temperature insulation wall are sealingly connected, and the test tube outer wall and the temperature insulation wall are filled with inert gas.

[0010] Preferably, a plug is fixedly connected to the lower inner end of the end cap, the lower end of the plug is sloped, and a sealing ring is wrapped around the outside of the plug.

[0011] Preferably, the outer wall and the insulation wall of the test tube are both made of stainless steel, and the inner wall of the test tube is made of glass.

[0012] Preferably, the upper inner end of the outer wall of the test tube and the upper inner end of the radiator are both lined with cushioning pads.

[0013] Preferably, a protective cover is fixedly connected to the lower surface of the cooling fan.

[0014] (III) Beneficial Effects

[0015] This invention provides a constant temperature test tube for temporary storage of stem cells, which has at least the following advantages compared with the prior art:

[0016] The constant temperature test tube used for temporary storage of stem cells can maintain the temperature inside the test tube at the required level at all times. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This utility model Figure 1 A sectional view;

[0019] Figure 3 This is a diagram of the internal structure of this utility model;

[0020] Figure 4 This utility model Figure 3 Bottom view;

[0021] Figure 5 This utility model Figure 3 A sectional view.

[0022] In the diagram: 1. Outer wall of the test tube; 2. Insulation wall; 3. Inner wall of the test tube; 4. Inner cavity heat sink; 5. Control circuit board; 6. Temperature probe; 7. Secondary semiconductor cooling chip; 8. Cooling chip heat sink; 9. Cooling fan; 10. End cap; 21. Temperature display screen; 22. Plug; 23. Protective cover. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a constant temperature test tube for stem cell temporary storage, include: the test tube outer wall 1 that inside hollow and upper end opening, the inside fixed connection of test tube outer wall 1 has the temperature insulation wall 2, the inside insertion connection of temperature insulation wall 2 has test tube inner wall 3, the inside lower end fixed connection of test tube outer wall 1 has the inner chamber radiator 4, the upper end of belonging to inner chamber radiator 4 extends to the upper end of test tube outer wall 1, the control circuit board 5 is fixedly connected between the upper surface of the lower end of inner chamber radiator 4 and test tube inner wall 3 and temperature insulation wall 2, the temperature probe 6 is fixedly connected between the lower end of test tube inner wall 3 and temperature insulation wall 2, the inside of test tube outer wall 1 and the lower surface of inner chamber radiator 4 are fixedly connected with two-stage semiconductor refrigerating sheet 7, the lower surface of two-stage semiconductor refrigerating sheet 7 is fixedly connected with refrigerating sheet radiator 8, the lower end of refrigerating sheet radiator 8 is fixedly connected with the heat dissipation fan 9, the end cap 10 is connected on the upper end of test tube outer wall 1 by screwing, and the control circuit board 5 is electrically connected between the temperature probe 6, two-stage semiconductor refrigerating sheet 7 and heat dissipation fan 9.

[0025] When using, the stem cell is placed in the test tube inner wall 3, then water or other medium is added between the temperature insulation wall 2 and the test tube inner wall 3, the test tube inner wall 3 is inserted into the inside, the end cap 10 is locked and connected with the power supply, the control circuit board 5 is set with the threshold value of temperature, the temperature probe 6 detects the temperature of water or other medium, the control circuit board 5 judges the current temperature by the change of the resistance of the temperature probe 6, thereby adjusting the power of the two-stage semiconductor refrigerating sheet 7, the two-stage semiconductor refrigerating sheet 7 absorbs the heat of the inner chamber radiator 4, thereby reducing the temperature of water or other medium, and the hot end of the two-stage semiconductor refrigerating sheet 7 is radiated by the heat dissipation fan 9, thereby maintaining the temperature of the stem cell in the test tube inner wall 3, and the temperature insulation wall 2 can play the role of blocking temperature and reducing heat exchange with the outside.

[0026] As Figures 1-4 shown, the utility model embodiment provides an implementation, based on above implementation, the front surface lower end of test tube outer wall 1 is fixedly connected with temperature display screen 21, and temperature display screen 21 is electrically connected between control circuit board 5.

[0027] It can be known from the above structure that the temperature data obtained by the control circuit board 5 conversion is displayed on the temperature display screen 21, and the staff can judge the temperature inside by referring to the number of the temperature display screen 21.

[0028] As Figures 1-5 shown, the utility model embodiment provides an implementation, based on above implementation, the test tube outer wall 1 is sealedly connected between temperature insulation wall 2, and the test tube outer wall 1 and temperature insulation wall 2 are filled with inert gas.

[0029] The inert gas filled between the outer wall 1 of the test tube and the temperature insulation wall 2 can play a blocking role, further reducing heat exchange with the outside.

[0030] As shown in Figures 1-5 The lower end of the plug 22 is inclined, and the outer side of the plug 22 is wrapped with a sealing ring.

[0031] After the end cover 10 is closed, the plug 22 on the lower surface of the end cover 10 is inserted into the upper end of the inner wall 3 of the test tube, and the sealing ring wrapped on the outer side of the plug 22 can prevent the internal stem cells from flowing out.

[0032] As shown in Figures 1-5 The outer wall 1 of the test tube and the temperature insulation wall 2 are both made of stainless steel, and the inner wall 3 of the test tube is made of glass.

[0033] The outer wall 1 of the test tube and the temperature insulation wall 2 are both made of stainless steel, which has the advantages of corrosion resistance, high temperature resistance and easy cleaning, and can protect the inner wall 3 of the test tube, and the inner wall 3 of the test tube is made of glass, which can reduce the pollution to the stem cells.

[0034] As shown in Figures 1-5 The upper end inside of the outer wall 1 of the test tube and the upper end inside of the inner cavity heat sink 4 are both laid with a buffer pad.

[0035] The buffer pad laid in the upper end inside of the outer wall 1 of the test tube and the upper end inside of the inner cavity heat sink 4 can further protect the inner wall 3 of the test tube from being damaged.

[0036] As shown in Figures 1-5 The lower surface of the heat dissipation fan 9 is fixedly connected with a protective cover 23.

[0037] The protective cover 23 can play a protection role to prevent accidental touch of the internal heat dissipation fan 9.

[0038] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A constant-temperature test tube for temporary storage of stem cells, characterized in that, Include: The inner hollow and open end of the test tube outer wall (1), the inner fixed connection of the test tube outer wall (1) has temperature insulation wall (2), the inner insertion connection of temperature insulation wall (2) has test tube inner wall (3), the inner lower end of test tube outer wall (1) is fixedly connected with inner cavity radiator (4), the upper end of the inner cavity radiator (4) extends to the upper end of the test tube outer wall (1), the upper surface of the lower end of the inner cavity radiator (4) and between the test tube inner wall (3) and the test tube outer wall (1) is fixedly connected with control circuit board (5), the lower end of the test tube inner wall (3) and the temperature insulation wall (2) are fixedly connected with temperature probe (6), the inner surface of the test tube outer wall (1) and the lower surface of the inner cavity radiator (4) are fixedly connected with two-stage semiconductor refrigeration sheet (7), the lower surface of the two-stage semiconductor refrigeration sheet (7) is fixedly connected with refrigeration sheet radiator (8), the lower end of the refrigeration sheet radiator (8) is fixedly connected with heat dissipation fan (9), the upper end of the test tube outer wall (1) is connected with end cover (10) through thread, the control circuit board (5) is electrically connected between temperature probe (6), two-stage semiconductor refrigeration sheet (7) and heat dissipation fan (9).

2. The constant-temperature test tube for temporarily storing stem cells according to claim 1, characterized in that: The lower end of the front surface of the test tube outer wall (1) is fixedly connected with temperature display screen (21), and the temperature display screen (21) is electrically connected with the control circuit board (5).

3. The constant-temperature test tube for temporarily storing stem cells according to claim 1, characterized in that: The test tube outer wall (1) and the temperature insulation wall (2) are sealed, and the test tube outer wall (1) and the temperature insulation wall (2) are filled with inert gas.

4. The constant-temperature test tube for temporarily storing stem cells according to claim 1, characterized in that: The lower end of the end cover (10) is fixedly connected with plug (22), the lower end of the plug (22) is inclined, and the outer side of the plug (22) is wrapped with sealing ring.

5. The constant-temperature test tube for temporarily storing stem cells according to claim 1, characterized in that: The test tube outer wall (1) and the temperature insulation wall (2) are made of stainless steel, and the test tube inner wall (3) is made of glass.

6. The constant-temperature test tube for temporarily storing stem cells according to claim 1, characterized in that: The upper end of the test tube outer wall (1) and the upper end of the inner cavity radiator (4) are both laid with buffer pad.

7. The constant-temperature test tube for temporarily storing stem cells according to claim 1, characterized in that: The lower surface of the heat dissipation fan (9) is fixedly connected with protective cover (23).

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