A skin fibroblast cryopreservation apparatus
By introducing structures such as a freezing chamber, an air outlet chamber, a one-way valve, and an activated carbon sieve plate into the skin fibroblast cryopreservation equipment, the problem of frost layer thickening is solved by filtering and drying the airflow, thus achieving convenient operation and efficient cryopreservation of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN CHIDINGSHENGTONG BIOTECHNOLOGY CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-07-07
AI Technical Summary
Existing skin fibroblast cryopreservation equipment comes into contact with air during material handling, causing water molecules in the air to condense and frost, resulting in a continuously thickening frost layer that requires frequent defrosting, thus affecting the ease of operation of the equipment.
The design incorporates a freezer compartment, an air outlet compartment, a one-way valve, an air duct, an air inlet fan, and an activated carbon screen plate within the main shell. By filtering and drying the airflow, it reduces water vapor frost formation. Combined with heat exchange tubes and a compressor, it manages heat to ensure that dry air flows into the freezer compartment, preventing frost formation.
It effectively reduces frost formation, improves the ease of operation and freezing efficiency of the equipment, avoids frequent defrosting operations, and enhances the user experience of the equipment.
Smart Images
Figure CN224460973U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of cell cryopreservation technology, specifically a skin fibroblast cryopreservation device. Background Technology
[0002] Fibroid cell cryopreservation is a technique for preserving cell viability and function, typically used for long-term storage of cell samples. In this process, fibroblasts are frozen at extremely low temperatures to slow down or stop cellular metabolic activity and prevent cell death.
[0003] For example, application CN218245368U discloses a skin fibroblast cryopreservation device, including a housing. A microcontroller is fixedly installed on the front end of the outer side of the housing. The microcontroller is electrically connected to an external power supply. This skin fibroblast cryopreservation device can adjust the height of reagent tubes within the placement holes through an auxiliary unit, a fixing rod, and a base plate, thereby facilitating the retrieval, storage, and observation of reagent tubes and improving the work efficiency of staff. The corresponding placement holes, through holes, and base plate can restrict the position of the reagent tubes, thereby preventing the reagent tubes from shifting during height adjustment and ensuring that the reagent tubes remain in a stable and safe state during height adjustment. The nameplate slot can record the reagent tubes cryopreserved inside the housing, making cell retrieval and storage more convenient for staff and improving the operational ease of this skin fibroblast cryopreservation device.
[0004] However, the materials in this application are constantly being handled and exposed to air. As water molecules in the air condense and frost, the frost layer thickens, requiring continuous defrosting. Utility Model Content
[0005] The purpose of this application is to provide a skin fibroblast cryopreservation device to solve the problem that the water molecules in the air condense and frost continuously during the handling of the aforementioned materials, resulting in a thicker and more persistent frost buildup.
[0006] The technical solution adopted in this application is as follows: A skin fibroblast cryopreservation device includes a main shell, a freezing chamber fixedly connected to the inner surface of the main shell, an air outlet chamber fixedly connected to the outer surface of the freezing chamber, a one-way valve fixedly connected to the outer surface of the air outlet chamber, an air duct fixedly connected to the outer surface of the one-way valve, an air inlet fan fixedly connected to the outer surface of the air duct away from the one-way valve, and an activated carbon sieve plate detachably connected to the inner surface of the main shell at the input end of the air inlet fan.
[0007] By adopting the above technical solution, the push rod pushes the placement box into the interior of the freezer compartment. When the equipment opens the sealed door, the cold air inside overflows from bottom to top. The freezer compartment has a built-in condenser for heat exchange. Through the opening of the one-way valve, the rotation of the air inlet fan drives the outside air in. Impurities and water molecules are filtered at the activated carbon sieve plate. The air guide area changes from large to small, and the air speed increases. The air is rushed into the air outlet chamber through the air guide pipe and the one-way valve. The dry air is squeezed from one side of the air outlet chamber towards the sealed door. When the placement box is pushed in, the sealed door is closed. The hot air with water vapor is squeezed together. The air flows out of the chamber and the space between the freezer compartment is received. After the placement box is pushed into the freezer compartment, the water vapor in the outside air frosts between the placement box and the freezer compartment during freezing, making it difficult to remove after a long time.
[0008] In a preferred embodiment, a heat exchange pipe is fixedly connected to the outer surface of the refrigeration chamber, and a compressor is fixedly connected to the outer surface of the heat exchange pipe.
[0009] By adopting the above technical solution, the heat exchange tube is connected to the condenser tube between the refrigeration chamber and the refrigerant liquid in the refrigeration chamber absorbs heat and is converted into gas. The gas is then compressed back into liquid by the compressor and releases heat outside the refrigeration chamber, thus completing the replacement.
[0010] In a preferred embodiment, an air outlet chamber is fixedly connected to the upper surface of the refrigeration chamber, a heat-reclaimed shell is welded to the outer surface of the air outlet chamber, and a compressor is wrapped around the inner surface of the heat-reclaimed shell.
[0011] By adopting the above technical solution, after the sealed door is closed, dry air is pushed in from one side by the air outlet chamber, and the hot air brought in by the squeeze box is squeezed together with water vapor. The air flows out of the chamber and opens the space for receiving the refrigeration chamber.
[0012] In a preferred embodiment, a buffer chamber is welded to the outer surface of the air outlet chamber, and an exhaust fan is provided on the outer surface of the buffer chamber.
[0013] By adopting the above technical solution, the buffer chamber has more buffer storage space for cold air, which facilitates the use of heat dissipation, and the exhaust fan can be turned on to dissipate the heat of the equipment.
[0014] In a preferred embodiment, a placement box is movably connected to the inner surface of the freezer compartment, an insulation layer is fixedly connected to the inner surface of the placement box, and a push rod is fixedly connected to the outer surface of the placement box.
[0015] By adopting the above technical solution, the placement box serves as the main storage unit component. One side of the insulation layer slows down the freezing efficiency through insulation, making it suitable for storage with a slow-freezing effect. The other side features high-efficiency heat exchange around the freezer compartment to complete the rapid freezing.
[0016] In a preferred embodiment, a limiting strip is fixedly connected to the outer surface of the placement box away from the push rod, a cover plate is movably connected to the upper surface of the placement box corresponding to the limiting strip, and an extension plate is movably inserted into the inner surface of the cover plate.
[0017] By adopting the above technical solution, the high-efficiency heat exchange space is sealed by the side sliding cover. The extension plate can easily extend above the insulation layer. When the insulation layer is not covered, the slow freezing efficiency is reduced.
[0018] In a preferred embodiment, the main outer shell is rotatably provided with a sealed door corresponding to the outer surface of the refrigeration compartment, and a support base is fixedly connected to the lower surface of the main outer shell.
[0019] By adopting the above technical solution, the sealed door can be opened by rotating the device, and the placement box can be pushed into the freezer from above. The support base can easily support the device from below, thus facilitating placement.
[0020] In a preferred embodiment, a handle is welded to the upper middle surface of the main body shell, and a control panel is provided on the upper surface of the main body shell.
[0021] By adopting the above technical solution, the handle makes it easy to carry and move, thus achieving the purpose of portability. The power supply can be equipped with a battery or an additional plug according to actual needs. This application does not involve protection factors, so no extensions have been made. The control board adjusts the device settings.
[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:
[0023] In this application, the push rod pushes the placement box into the interior of the freezer compartment. When the equipment opens the sealed door, the cold air inside overflows from bottom to top. The freezer compartment has a built-in condenser for heat exchange. The one-way valve opens, and the rotation of the air inlet fan drives the outside air in. Impurities and water molecules are filtered at the activated carbon sieve plate. The air guide area changes from large to small, and the air speed increases. The air is rushed into the air outlet chamber through the air guide pipe and the one-way valve. The dry air is squeezed from one side of the air outlet chamber towards the sealed door. When the placement box is pushed in, the sealed door is closed. The hot air with water vapor is squeezed together. The air flows out of the chamber and the space between the freezer compartment is received. After the placement box is pushed into the freezer compartment, the water vapor in the outside air frosts between the placement box and the freezer compartment during freezing, making it difficult to remove after a long time. Attached Figure Description
[0024] Figure 1 This is a front view of the device in this application;
[0025] Figure 2 This is a bottom view of the equipment outline in this application;
[0026] Figure 3This is a schematic diagram of the internal and external disassembly of the equipment in this application;
[0027] Figure 4 This is a schematic diagram showing the disassembly of the internal structure of the equipment in this application;
[0028] Figure 5 This is a side view of the internal structure of the device in this application;
[0029] Figure 6 This is a schematic diagram of the box structure in this application.
[0030] The diagram shows the following components: 1. Main outer shell; 2. Freezer compartment; 3. Air outlet compartment; 4. One-way valve; 5. Air duct; 6. Inlet fan; 7. Activated carbon sieve plate; 8. Heat exchange tube; 9. Compressor; 10. Air outlet compartment; 11. Heat recovery shell; 12. Buffer compartment; 13. Outlet fan; 14. Placement box; 15. Insulation layer; 16. Push rod; 17. Limiting strip; 18. Cover plate; 19. Extension plate; 20. Sealed door; 21. Support base; 22. Handle; 23. Control panel. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0032] Example:
[0033] Reference Figure 1-5 A skin fibroblast cryopreservation device includes a main shell 1, a freezing chamber 2 fixedly connected to the inner surface of the main shell 1, an air outlet chamber 3 fixedly connected to the outer surface of the freezing chamber 2, a one-way air valve 4 fixedly connected to the outer surface of the air outlet chamber 3, an air guide pipe 5 fixedly connected to the outer surface of the one-way air valve 4, an air inlet fan 6 fixedly connected to the outer surface of the end of the air guide pipe 5 away from the one-way air valve 4, and an activated carbon sieve plate 7 detachably connected to the inner surface of the main shell 1 at the input end of the air inlet fan 6.
[0034] Push rod 16 pushes the placement box 14 into the interior of the freezer compartment 2. When the equipment opens the sealed door 20, the cold air inside overflows from bottom to top. The freezer compartment 2 has a built-in condenser for heat exchange. Through the opening of the one-way valve 4, the rotation of the air inlet fan 6 drives the outside air in. Impurities and water molecules are filtered at the activated carbon sieve plate 7. The air guide area becomes smaller and the air speed increases. The air is rushed into the air outlet compartment 3 through the air guide pipe 5 at the one-way valve 4. The dry air is squeezed from one side of the air outlet compartment 3 towards the sealed door 20. When the placement box 14 is pushed in, the sealed door 20 is closed. The hot air with water vapor is squeezed together. The air flows out of the compartment 10 and the space between the air outlet compartment 14 and the freezer compartment 2 is received. After the placement box 14 is pushed into the freezer compartment 2, the water vapor in the outside air frosts between the placement box 14 and the freezer compartment 2 during freezing, making it difficult to remove after a long time.
[0035] Reference Figure 1-5 A heat exchange pipe 8 is fixedly connected to the outer surface of the freezer compartment 2, and a compressor 9 is fixedly connected to the outer surface of the heat exchange pipe 8.
[0036] The heat exchange tube 8 is connected to the condenser tube between the refrigeration chamber 2 and the refrigerant liquid in the refrigeration chamber 2 absorbs heat and is converted into gas. The gas is then compressed back into liquid by the compressor 9 and releases heat outside the refrigeration chamber 2, thus completing the replacement.
[0037] Reference Figure 1-5 An air outlet chamber 10 is fixedly connected to the upper surface of the refrigeration chamber 2. A heat-reclaimed shell 11 is welded to the outer surface of the air outlet chamber 10. The compressor 9 is wrapped on the inner surface of the heat-reclaimed shell 11.
[0038] After the sealed door 20 is closed, dry air is pushed in from one side by the air outlet 3, and the hot air with water vapor brought in by the squeeze placement box 14 is squeezed together. The air flows out of the chamber 10 and opens the space to receive the air from the freezer chamber 2.
[0039] Reference Figure 1-5 A buffer chamber 12 is welded to the outer surface of the air outlet chamber 10, and an exhaust fan 13 is provided on the outer surface of the buffer chamber 12.
[0040] The buffer chamber 12 provides more buffer storage space for cold air, making it easier to utilize heat dissipation, and the exhaust fan 13 opens to dissipate the heat from the device.
[0041] Reference Figure 1-6 The inner surface of the freezer compartment 2 is movably connected to a placement box 14, the inner surface of the placement box 14 is fixedly connected to an insulation layer 15, and the outer surface of the placement box 14 is fixedly connected to a push rod 16.
[0042] The placement box 14 serves as the main storage unit component. One side of the insulation layer 15 slows down the freezing efficiency through the insulation layer, making it suitable for storage with a slow freezing effect. The other side has high-efficiency heat exchange around the freezer compartment 2 to complete the rapid freezing.
[0043] Reference Figure 1-6 A limiting strip 17 is fixedly connected to the outer surface of the placement box 14 away from the push rod 16. A cover plate 18 is movably connected to the upper surface of the placement box 14 corresponding to the limiting strip 17. An extension plate 19 is movably inserted into the inner surface of the cover plate 18.
[0044] The high-efficiency heat exchange space is sealed by the side-sliding cover plate 18. The extension plate 19 facilitates the extension of the cover above the insulation layer 15. The slow-freezing efficiency is reduced when the insulation layer 15 is not covered.
[0045] Reference Figure 1-5 The outer shell 1 is rotatably provided with a sealed door 20 corresponding to the outer surface of the freezer compartment 2, and a support base 21 is fixedly connected to the lower surface of the outer shell 1.
[0046] The sealed door 20 is opened by rotating the device, and the placement box 14 is pushed into the freezer compartment 2 from above. The support base 21 provides convenient support for the device from below, thus facilitating placement.
[0047] Reference Figure 1-5 A handle 22 is welded to the upper middle surface of the main body shell 1, and a control panel 23 is provided on the upper surface of the main body shell 1.
[0048] The handle 22 facilitates hand-holding and displacement, achieving portability. The power supply can be equipped with a battery or an additional plug as needed. This application does not involve protection factors, so no extensions have been made. The control board 23 adjusts the device settings.
[0049] The implementation principle of the skin fibroblast cryopreservation device of this application is as follows:
[0050] The equipment uses a placement box 14 as the main storage unit. One side has an insulation layer 15 that slows down freezing efficiency, suitable for storage with a slow-freezing effect. The other side features high-efficiency heat exchange around the freezer compartment 2 for rapid freezing. A sliding cover 18 seals the high-efficiency heat exchange space. An extension plate 19 allows for easy extension and sealing above the insulation layer 15. Without the insulation layer 15, the slow-freezing efficiency decreases. A push rod 16 allows the user to easily push the placement box 14 into the freezer compartment 2. When the sealed door 20 is opened, cold air overflows from bottom to top. The freezer compartment 2 uses built-in condenser pipes for heat exchange. Opening the one-way valve 4 allows the intake fan 6 to draw in outside air, which is filtered by the activated carbon sieve plate 7 to remove impurities and water molecules. The airflow area decreases, increasing the air velocity. The air then flows through the air duct 5 and into the outlet chamber 3 via the one-way valve 4. Dry air is compressed from one side of the air outlet chamber 3 towards the sealed door 20. When the placement box 14 is pushed in, the sealed door 20 is closed. Hot air with water vapor is compressed together. The air flows out of the chamber 10 and opens to receive the space between the air outlet chamber 10 and the freezer chamber 2. This process will bring out a large amount of cold air from the freezer chamber 2. This air is introduced into the heat recovery shell 11 to cool the compressor 9. The buffer chamber 12 has more buffer storage space for cold air, which is convenient for heat dissipation. The exhaust fan 13 is turned on to dissipate the heat of the equipment. The support base 21 provides convenient support for the bottom of the equipment, making it easy to place. The handle 22 makes it easy to carry and move, achieving the purpose of portability. The power supply can be installed with a battery or an additional plug according to actual needs. The control terminal of the control board 23 controls the internal mechanical and electrical connections through the control circuit. This application does not involve protection factors, so no extensions are made.
[0051] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.
Claims
1. A skin fibroblast cryopreservation device, comprising a main body shell (1), characterized in that: The inner surface of the main body shell (1) is fixedly connected to a freezer chamber (2), the outer surface of the freezer chamber (2) is fixedly connected to an air outlet chamber (3), the outer surface of the air outlet chamber (3) is fixedly connected to a one-way air valve (4), the outer surface of the one-way air valve (4) is fixedly connected to an air duct (5), the outer surface of the air duct (5) away from the one-way air valve (4) is fixedly connected to an air inlet fan (6), and the inner surface of the main body shell (1) at the input end of the air inlet fan (6) is detachably connected to an activated carbon sieve plate (7).
2. The skin fibroblast cryopreservation device as described in claim 1, characterized in that: The outer surface of the refrigeration chamber (2) is fixedly connected to a heat exchange pipe (8), and the outer surface of the heat exchange pipe (8) is fixedly connected to a compressor (9).
3. The skin fibroblast cryopreservation device as described in claim 1, characterized in that: An air outlet chamber (10) is fixedly connected to the upper surface of the refrigeration chamber (2). A heat-reclaimed shell (11) is welded to the outer surface of the air outlet chamber (10). A compressor (9) is wrapped around the inner surface of the heat-reclaimed shell (11).
4. The skin fibroblast cryopreservation device as described in claim 3, characterized in that: The outer surface of the air outlet chamber (10) is welded with a buffer chamber (12), and the outer surface of the buffer chamber (12) is provided with an exhaust fan (13).
5. The skin fibroblast cryopreservation device as described in claim 1, characterized in that: The inner surface of the freezer compartment (2) is movably connected to a placement box (14), the inner surface of the placement box (14) is fixedly connected to an insulation layer (15), and the outer surface of the placement box (14) is fixedly connected to a push rod (16).
6. The skin fibroblast cryopreservation device as described in claim 5, characterized in that: The placement box (14) is fixedly connected to the outer surface of the side away from the push rod (16) with a limiting strip (17). The upper surface of the placement box (14) is movably connected to the limiting strip (17), and the inner surface of the cover plate (18) is movably inserted with an extension plate (19).
7. The skin fibroblast cryopreservation device as described in claim 1, characterized in that: The main shell (1) is rotatably provided with a sealed door (20) on the outer surface of the freezer compartment (2), and a support base (21) is fixedly connected to the lower surface of the main shell (1).
8. The skin fibroblast cryopreservation device as described in claim 1, characterized in that: A handle (22) is welded to the upper middle surface of the main body shell (1), and a control panel (23) is provided on the upper surface of the main body shell (1).