An embedded sterile temperature-controlled experimental platform

Abstract

This utility model relates to the field of experimental equipment technology, specifically an embedded sterile temperature-controlled experimental bench, designed to solve the problems of traditional experimental benches being functionally limited and unable to achieve a sterile environment and low-temperature control. The bench includes a base housing, a workbench panel, a dustproof cover, and a door panel. The dustproof cover houses ultraviolet radiation lamps for sterilization. A low-temperature stage is installed in the operating holes of the workbench panel, and this stage is connected to a refrigeration mechanism and a recovery mechanism. The refrigeration mechanism delivers cold air into the heat exchange tubes of the low-temperature stage for cooling, while the recovery mechanism heats the discharged cold air and separates moisture. This structure improves the sterilization and temperature control performance of the experimental bench, maintaining a sterile environment and precisely controlling the low temperature, while simultaneously recovering and treating cold air and condensate, avoiding pollution and energy waste, and improving experimental reliability.

Description

Technical Field

[0001] This utility model relates to the field of experimental equipment technology, and in particular to an embedded sterile temperature-controlled experimental platform. Background Technology

[0002] In scientific research, especially in experiments involving biology and chemistry where environmental requirements are stringent, the performance of the experimental platform plays a crucial role in the accuracy and reliability of the experimental results.

[0003] Traditional laboratory benches have limited functionality and struggle to meet diverse experimental needs. They lack effective sterilization and temperature control methods for environmental management. Many experiments require sterile environments to prevent contamination by external microorganisms, but traditional benches cannot provide reliable sterilization, making it easy for unwanted microorganisms to be introduced and disrupt the experimental process.

[0004] Meanwhile, some experiments require low-temperature conditions, such as those involving biological sample preservation and specific chemical reactions. Traditional laboratory benches cannot provide a stable low-temperature environment, or even if they can achieve a certain degree of cooling, it is difficult to precisely control the temperature, and they cannot effectively handle the problems of cold air recovery and moisture liquefaction generated during low-temperature experiments. Direct emission of cold air not only wastes energy but may also have adverse effects on the laboratory environment; and if the condensate generated during the experiment is not treated in time, it may accumulate on the laboratory bench, affecting experimental operations and even damaging experimental equipment.

[0005] Furthermore, when conducting experiments using the lab bench, some experimental procedures require operation on ice. Some lab technicians use foam boxes to hold crushed ice, which is inconvenient and can cause the ice to melt during the experiment, increasing the risk of contamination.

[0006] To address the aforementioned issues, this technical solution proposes an embedded sterile temperature-controlled experimental platform. Utility Model Content

[0007] The purpose of this invention is to address the problem that traditional experimental benches have limited functionality and cannot meet the requirements of sterile and low-temperature experiments, and to propose an embedded sterile temperature-controlled experimental bench.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] An embedded sterile temperature-controlled laboratory bench, comprising:

[0010] Base box;

[0011] The workbench panel is fixedly connected to the top of the base box;

[0012] A dustproof cover is fixedly installed on the workbench panel, and a door panel is slidably connected to the opening of the dustproof cover;

[0013] An ultraviolet radiation lamp is installed on the inner wall of the dustproof cover;

[0014] A low-temperature stage is installed in the operation hole of the workbench panel, and the low-temperature stage includes heat exchange tubes;

[0015] A refrigeration mechanism is installed inside the base housing and connected to the low-temperature stage;

[0016] A recycling mechanism is installed inside the base box and connected to the low-temperature stage;

[0017] The ultraviolet radiation lamp emits ultraviolet light to sterilize the inside of the dustproof cover, the refrigeration mechanism generates cold air and delivers it to the heat exchange tube to cool the low-temperature platform, and the recycling mechanism recovers the cold air and heats it to liquefy water.

[0018] In one possible design, multiple lighting source tubes are fixedly connected at equal intervals to the top inner wall of the dustproof cover, and a diffuse reflection transparent panel is fixedly connected to the inner wall of the dustproof cover, with the ultraviolet radiation tubes located below the diffuse reflection transparent panel.

[0019] In one possible design, the cryogenic stage includes an assembly box fixedly connected to an operating port. The bottom of the assembly box extends into the base box. A heat exchange plate is fixedly connected to the top of the assembly box. Multiple support brackets are fixedly connected at equal intervals within the assembly box. A single heat exchange tube is fixedly connected to each of the multiple support brackets. A connecting pipe I is fixedly connected through one side of the heat exchange tube. An annular air inlet duct is fixedly connected to one end of each of the multiple connecting pipes I. The bottom of the annular air inlet duct extends into the base box. The top of the refrigeration mechanism is connected to the annular air inlet duct. A connecting pipe II is fixedly connected through the other side of the heat exchange tube. An annular exhaust duct is fixedly connected to one end of each of the multiple connecting pipes II. The bottom of the annular exhaust duct extends into the base box. The top of the recovery mechanism is connected to the annular exhaust duct.

[0020] In one possible design, the refrigeration mechanism includes a refrigeration compressor unit fixedly connected to the inner wall of the bottom of the base housing. A fluid delivery pipe is fixedly connected to the refrigerant interface of the refrigeration compressor unit. A refrigerant storage tank is fixedly connected to one end of the fluid delivery pipe. The refrigerant storage tank is fixedly connected to the inner wall of the bottom of the base housing. A gas delivery pipe is fixedly connected to the cold air outlet of the refrigeration compressor unit. The top end of the gas delivery pipe extends into the annular air inlet duct and is fixedly connected to the inner wall of the bottom of the annular air inlet duct.

[0021] In one possible design, the recovery mechanism includes a cold air recovery tank fixedly connected to the inner wall of the bottom of the base housing. A liquefaction component is installed inside the cold air recovery tank. A gas discharge pipe and an exhaust gas discharge pipe are fixedly connected to the liquefaction component. One end of the gas discharge pipe extends into the annular exhaust duct and is fixedly connected to the inner wall of the bottom of the annular exhaust duct. One end of the exhaust gas discharge pipe extends to the outside of the base housing and is fixedly connected to an overflow control valve. A drain pipe is fixedly connected to the inner wall of the bottom of the cold air recovery tank. One end of the drain pipe extends to the outside of the base housing, and an electromagnetic control valve is fixedly connected inside the drain pipe.

[0022] In one possible design, the liquefaction assembly includes end-sealing plate I and end-sealing plate II fixedly connected within the cold gas recovery tank. End-sealing plate II is located below end-sealing plate I. The bottom ends of the gas discharge pipe and the exhaust gas discharge pipe both penetrate end-sealing plate I and extend to its lower end. A liquefaction conduit is fixedly connected to the bottom of end-sealing plate I, and the bottom of the liquefaction conduit is fixedly connected to the top of end-sealing plate II. A heat exchange chamber is fixedly connected to the top of end-sealing plate II. Multiple electric heating rods are fixedly connected at equal intervals within the heat exchange chamber. Fluid flow pipes are symmetrically connected through end-sealing plate II. A U-shaped end-sealing plate is fixedly connected to the heat exchange chamber, and the U-shaped end-sealing plate is located between the gas discharge pipe and the exhaust gas discharge pipe.

[0023] In this process, cold air flows into the liquefaction conduit through the gas discharge pipe, the electric heating rod heats the heat exchange box, the cold air flows under the U-shaped end plate to extend the flow path and is heated to liquefy water, and the liquid water flows into the bottom of the cold air recovery tank through the fluid flow pipe.

[0024] In one possible design, a support pad is provided inside the operating hole, the support pad is adapted to the inner wall of the operating hole, and the top of the support pad is flush with the top of the workbench panel.

[0025] In this application, during use, multiple lighting source tubes and two ultraviolet radiation tubes on the experimental platform are first powered on and lit. The ultraviolet radiation tubes emit ultraviolet rays to sterilize the internal space of the dustproof cover. After sterilization, the support pad that fits the inner wall of the operating hole in the workbench panel and is flush with the top of the workbench panel is removed. Then, the refrigeration compressor unit in the base box is powered on. The refrigerant in the refrigerant storage tank is transported to the refrigeration compressor unit through the fluid delivery pipe. After the refrigeration compressor unit generates cold air, it is transported to the annular air inlet duct through the gas delivery pipe, and then dispersed to multiple heat exchange tubes through multiple connecting pipes I. After the cold air enters the heat exchange tubes, the inner wall of the pipe is low and diffuses outward, which cools the heat exchange plate. Thus, the ice can be kept at a low temperature when conducting experiments on the low-temperature platform and enters the heat exchange tubes. The cold air is transported to the annular exhaust duct via connecting pipe II. After flowing into the annular exhaust duct, the cold air is transported to the liquefaction duct in the cold air recovery tank via the gas discharge pipe. At this time, the electric heating rod is energized to heat the heat exchange box, thereby making the internal environment of the liquefaction duct high-temperature and heating the cold air. The cold air flows to the other side through the area below the U-shaped end plate, prolonging its flow time in the liquefaction duct. After close contact with the heat exchange box, it is heated to room temperature. The water vapor in the cold air is liquefied into liquid water and transported to the area below the end plate II via two fluid flow pipes. The liquid water can be discharged by opening the electromagnetic control valve in the drain pipe. The heated gas is transported to the exhaust pipe. The gas rise causes the overflow control valve core to move, opening the overflow control valve to discharge the gas, so that the discharged gas is at room temperature and the gas humidity is reduced.

[0026] In this utility model, the embedded sterile temperature-controlled experimental platform, through a low-temperature stage, has a refrigeration mechanism that delivers cold air into an annular air inlet duct, and then through multiple connecting pipes I to disperse it into multiple heat exchange tubes. After the cold air enters the heat exchange tubes, the inner wall of the tubes will be at a low temperature, and the low temperature can diffuse outward. Then, the heat exchange plate is cooled by the cold air, thereby enabling the ice used to be stored at a low temperature. The cold air entering the heat exchange tubes can be delivered to an annular exhaust duct through connecting pipe II, and then delivered to a recovery mechanism for cold air recovery.

[0027] In this utility model, the embedded sterile temperature-controlled experimental platform, through the refrigeration mechanism, the refrigerant in the refrigerant storage tank is transported to the refrigeration compressor unit through the fluid delivery pipe, and then the refrigeration compressor unit is started to generate cold air, which is then transported to the annular air inlet duct through the gas delivery pipe, thereby continuously dispersing and delivering the cold air to multiple heat exchange tubes, so that the heat exchange tubes are in a low temperature state.

[0028] In this utility model, the embedded sterile temperature-controlled experimental platform, through a recovery mechanism, allows cold air to flow into the annular exhaust duct and then be transported to the liquefaction component via the gas discharge pipe. The liquefaction component, when energized, maintains a high temperature, thereby heating the cold air and liquefying the water vapor in it, forming liquid water that falls into the cold air recovery tank. Finally, by opening the electromagnetic control valve, the water is discharged. The heated gas is then transported to the exhaust pipe, where the gas level rises, causing the overflow control valve core to move, opening the overflow control valve and allowing the gas to be discharged.

[0029] This invention solves the problem of the single function of traditional experimental benches, provides reliable sterilization function to avoid interference from bacteria in experiments; it can achieve stable and precise temperature control to meet the needs of low-temperature experiments, and can also effectively recover cold air and liquefy water to avoid energy waste, improve the laboratory environment, prevent condensation from damaging equipment, and ensure the accuracy and reliability of experiments. Attached Figure Description

[0030] Figure 1 This is a three-dimensional schematic diagram of the first-view structure of an embedded sterile temperature-controlled experimental platform proposed in this utility model.

[0031] Figure 2 This is a two-dimensional schematic diagram of the structure of an embedded sterile temperature-controlled experimental platform proposed in this utility model from a second perspective.

[0032] Figure 3 This is a three-dimensional side sectional view of the dustproof cover structure in the experimental table of an embedded sterile temperature-controlled experimental table proposed in this utility model.

[0033] Figure 4 This is a three-dimensional schematic diagram of the separation structure of the workbench panel and the support pad in the experimental table of the embedded sterile temperature-controlled experimental table proposed in this utility model.

[0034] Figure 5 This is a three-dimensional schematic diagram of the internal structure of the base box in an embedded sterile temperature-controlled experimental bench proposed in this utility model.

[0035] Figure 6 This is a first-view three-dimensional schematic diagram of the connection structure of the refrigeration compressor unit, multiple heat exchange tubes and multiple cold air recovery tanks in the experimental platform of the embedded sterile temperature-controlled experimental platform proposed in this utility model.

[0036] Figure 7 This is a second-view three-dimensional schematic diagram of the connection structure of the refrigeration compressor unit, multiple heat exchange tubes and multiple cold air recovery tanks in the experimental platform of the embedded sterile temperature-controlled experimental platform proposed in this utility model.

[0037] Figure 8This is a third-person three-dimensional schematic diagram of the connection structure of the refrigeration compressor unit, multiple heat exchange tubes and multiple cold air recovery tanks in the experimental platform of the embedded sterile temperature-controlled experimental platform proposed in this utility model.

[0038] Figure 9 This is a three-dimensional schematic diagram of the assembly box and heat exchange plate separation structure in the experimental table of the embedded sterile temperature-controlled experimental table proposed in this utility model.

[0039] Figure 10 This is a schematic diagram of the rear cross-sectional structure of the cold air recovery tank in the experimental platform of the embedded sterile temperature-controlled experimental platform proposed in this utility model.

[0040] Figure 11 This is a side-view cross-sectional view of the cold air recovery tank in the experimental platform of the embedded sterile temperature-controlled experimental platform proposed in this utility model.

[0041] In the diagram: 1. Base box; 2. Workbench panel; 3. Dustproof cover; 4. Door panel; 5. Diffuse reflection transparent viewing panel; 6. Lighting source tube; 7. Ultraviolet radiation tube; 8. Support plate; 9. Assembly box; 10. Heat exchange tube; 11. Annular air inlet duct; 12. Annular exhaust duct; 13. Refrigeration compressor unit; 14. Gas delivery pipe; 15. Refrigerant storage tank; 16. Fluid delivery pipe; 17. Gas exhaust pipe; 18. Cold air recovery tank; 19. Exhaust gas emission pipe; 20. Overflow control valve; 21. Drainage duct; 22. Heat exchange plate; 23. Support bracket; 24. Connecting pipe I; 25. Connecting pipe II; 26. End cap I; 27. Liquefaction duct; 28. End cap II; 29. ​​Fluid flow pipe; 30. Heat exchange box; 31. Electric heating rod; 32. U-shaped end cap; 33. Electromagnetic control valve. Detailed Implementation

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0043] In one embodiment: Refer to Figure 1-11 An experimental bench is provided, comprising a base housing 1, a workbench panel 2, a dust cover 3, and a door panel 4, among other main components. The base housing 1 serves as the supporting foundation for the entire experimental bench, and the workbench panel 2 is bolted to its top. The dust cover 3 is also bolted to the top of the base housing 1, and its opening is tightly slidably connected to the door panel 4. The door panel 4 can slide along the opening of the dust cover 3, thereby sealing the opening and preventing external dust from entering the experimental area.

[0044] like Figure 5 and7 As shown, an operating hole is made on the workbench panel 2, and a low-temperature stage is installed in the operating hole. The bottom of the assembly box 9 of the low-temperature stage extends into the base box 1 and is fixed to the base box 1 with bolts. A heat exchange plate 22 is fixedly installed on the top of the assembly box 9. Multiple support brackets 23 are fixedly installed at equal intervals inside the assembly box 9 with bolts. The same heat exchange tube 10 is fixedly installed on the multiple support brackets 23 with clamps. There are multiple heat exchange tubes 10, which are set at equal intervals. A connecting pipe I 24 is fixedly installed through one inner wall of the heat exchange tube 10. One end of the multiple connecting pipes I 24 is fixedly installed with an annular air intake duct 11 by welding. The bottom of the annular air intake duct 11 extends into the base box 1. A connecting pipe II 25 is fixedly installed through the other inner wall of the heat exchange tube 10. One end of the multiple connecting pipes II 25 is fixedly connected to the same annular exhaust duct 12 by welding. The bottom end of the annular exhaust duct 12 extends into the base box 1.

[0045] like Figure 4 As shown, a support plate 8 is also provided inside the operating hole. The support plate 8 is adapted to the inner wall of the operating hole and is installed by means of a slot connection. The top of the support plate 8 is flush with the top of the workbench panel 2. When low temperature experiments are not required, the workbench panel 2 can be kept flush, which facilitates normal experimental operations.

[0046] like Figure 2 As shown, multiple lighting source tubes 6 are fixedly installed at equal intervals on the inner wall of the top of the dustproof cover 3 with bolts to provide the necessary illumination for the experiment. A diffuse reflective transparent viewing plate 5 is fixedly installed on the inner wall of the dustproof cover 3 with bolts. Ultraviolet radiation tubes 7 located below the diffuse reflective transparent viewing plate 5 are fixedly installed on the inner walls of both sides of the dustproof cover 3 with bolts. When the two ultraviolet radiation tubes 7 are lit, they can sterilize and disinfect the internal space of the dustproof cover 3.

[0047] like Figure 5-11As shown, a refrigeration mechanism and a recovery mechanism are installed inside the base housing 1. The refrigeration mechanism includes a refrigeration compressor unit 13 fixedly installed on the inner wall of the bottom of the base housing 1. A fluid delivery pipe 16 is fixedly installed at the refrigerant interface of the refrigeration compressor unit 13 via a flange. A refrigerant storage tank 15 is fixedly installed at one end of the fluid delivery pipe 16 via a flange. The refrigerant storage tank 15 is fixedly installed on the inner wall of the bottom of the base housing 1. A gas delivery pipe 14 is fixedly installed at the cold air outlet of the refrigeration compressor unit 13 via a flange. The top end of the gas delivery pipe 14 extends into the annular air inlet duct 11 and is fixedly connected to the inner wall of the bottom of the annular air inlet duct 11 by welding. The refrigerant in the refrigerant storage tank 15 is transported to the refrigeration compressor unit 13 via the fluid delivery pipe 16. The refrigeration compressor unit 13 is started to generate cold air, which is then transported to the annular air intake duct 11 via the gas delivery pipe 14. The cold air is then continuously distributed to multiple heat exchange tubes 10, keeping the heat exchange tubes 10 at a low temperature. The heat exchange plate 22 is cooled down by the cold air, thus achieving low-temperature preservation of the ice used.

[0048] This application can be used in the field of experimental equipment technology, or in other fields applicable to this application.

[0049] In another embodiment: Reference Figure 10-11 Based on the above embodiments, an improved embedded sterile temperature-controlled experimental platform is proposed, which is applied to the field of experimental equipment technology. The recovery mechanism includes a cold gas recovery tank 18 fixedly installed on the inner wall of the bottom of the base housing 1, and a liquefaction component installed inside the cold gas recovery tank 18. The liquefaction component includes end-sealing plate I 26 and end-sealing plate II 28 fixedly installed inside the cold gas recovery tank 18, with end-sealing plate II 28 located below end-sealing plate I 26. The bottom ends of gas discharge pipe 17 and waste gas discharge pipe 19 both penetrate end-sealing plate I 26 and extend below it, and are fixedly connected to end-sealing plate I 26 by welding. A liquefaction conduit 27 is fixedly installed at the bottom of end-sealing plate I 26 by welding, and the bottom of the liquefaction conduit 27 is fixedly connected to the top of end-sealing plate II 28 by welding. A heat exchange chamber 30 is fixedly installed at the top of end-sealing plate II 28 by bolts, and multiple electric heating rods 31 are fixedly installed at equal intervals inside the heat exchange chamber 30 by bolts. Fluid flow pipes 29 are symmetrically and fixedly installed through end-sealing plate II 28. U-shaped end-sealing plates 32 are fixedly installed on the heat exchange box 30 by welding. The U-shaped end-sealing plates 32 are fixedly connected to the bottom of the liquefaction conduit 27 and end-sealing plate I 26 by welding, and are located between the gas discharge pipe 17 and the waste gas discharge pipe 19. Hydrophobic layers are provided on the inner side of the liquefaction conduit 27, both sides of the U-shaped end-sealing plate 32, and the outer side of the heat exchange box 30.

[0050] like Figure 10-11As shown, one end of the gas discharge pipe 17 extends into the annular exhaust duct 12 and is fixedly connected to the inner wall of the bottom of the annular exhaust duct 12 by welding. One end of the exhaust pipe 19 extends to the outside of the base box 1 and is fixedly installed with an overflow control valve 20. The bottom inner wall of the cold gas recovery tank 18 is fixedly installed with a drain pipe 21 by welding. One end of the drain pipe 21 extends to the outside of the base box 1, and an electromagnetic control valve 33 is fixedly installed inside the drain pipe 21 by a threaded connection. The cold gas entering the heat exchange pipe 10 is transported to the annular exhaust duct 12 through the connecting pipe II 25, and then to the liquefaction duct 27 through the gas discharge pipe 17. At this time, the electric heating rod 31 is energized to maintain a high temperature, heating the heat exchange box 30 and keeping the internal environment of the liquefaction duct 27 at a high temperature, thus heating the cold gas. The cold air can only flow from the area below the U-shaped end plate 32 to the other side, extending its flow time in the liquefaction conduit 27. It then comes into close contact with the heat exchange chamber 30 and is heated to room temperature. Water vapor in the cold air liquefies to form liquid water, which is then transported through two fluid flow pipes 29 to the area below the end plate II 28. During subsequent exhaust, the gas humidity is reduced. The heated gas is then transported to the exhaust pipe 19. The rising gas pressure causes the overflow control valve 20 to move, opening it and releasing the gas. Opening the solenoid control valve 33 allows water to be discharged from the drain pipe 21.

[0051] In this scheme, the temperature of the cold air generated by the refrigeration compressor unit 13 can control the temperature range of the heat exchange plate 22 from 4 degrees Celsius to minus 20 degrees Celsius.

[0052] However, as is well known to those skilled in the art, the working principles and wiring methods of the lighting source tube 6, ultraviolet radiation tube 7, refrigeration compressor unit 13, electric heating rod 31, and electromagnetic control valve 33 are conventional means or common knowledge, and will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0053] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.

[0054] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An embedded sterile temperature-controlled experimental platform, characterized in that, include: Base box (1); The workbench panel (2) is fixedly connected to the top of the base box (1); A dust cover (3) is fixedly installed on the workbench panel (2), and a door panel (4) is slidably connected to the opening of the dust cover (3); An ultraviolet radiation lamp (7) is installed on the inner wall of the dustproof cover (3); A low-temperature stage is installed in the operation hole of the workbench panel (2), and the low-temperature stage includes a heat exchange tube (10); The refrigeration mechanism is installed inside the base housing (1) and connected to the low-temperature stage; The recycling mechanism is installed inside the base box (1) and connected to the low temperature stage; The ultraviolet radiation lamp (7) emits ultraviolet light to sterilize the inside of the dustproof cover (3), the refrigeration mechanism generates cold air and delivers it to the heat exchange tube (10) to cool the low temperature stage, and the recycling mechanism recovers the cold air and heats it to liquefy water.

2. The embedded sterile temperature-controlled experimental platform according to claim 1, characterized in that, The dustproof cover (3) has multiple lighting source tubes (6) fixedly connected at equal intervals on the top inner wall, and a diffuse reflection transparent viewing plate (5) is fixedly connected to the inner wall of the dustproof cover (3). The ultraviolet radiation tube (7) is located below the diffuse reflection transparent viewing plate (5).

3. The embedded sterile temperature-controlled experimental platform according to claim 1, characterized in that, The low-temperature stage includes an assembly box (9) fixedly connected to the operating hole. The bottom of the assembly box (9) extends into the base box (1). A heat exchange plate (22) is fixedly connected to the top of the assembly box (9). Multiple support brackets (23) are fixedly connected at equal intervals inside the assembly box (9). The same heat exchange pipe (10) is fixedly connected to the multiple support brackets (23). A connecting pipe I (24) is fixedly connected through one side of the heat exchange pipe (10). One end of the multiple connecting pipes I (24) is fixedly connected to... An annular air intake duct (11) is connected to the base housing (1), the bottom of which extends into the base housing (1). The top of the refrigeration mechanism is connected to the annular air intake duct (11). A connecting pipe II (25) is fixedly connected through the other side of the heat exchange pipe (10). An annular exhaust duct (12) is fixedly connected to one end of one of the multiple connecting pipes II (25). The bottom end of the annular exhaust duct (12) extends into the base housing (1). The top of the recovery mechanism is connected to the annular exhaust duct (12).

4. The embedded sterile temperature-controlled experimental platform according to claim 3, characterized in that, The refrigeration mechanism includes a refrigeration compressor unit (13) fixedly connected to the inner wall of the bottom of the base box (1). A fluid delivery pipe (16) is fixedly connected to the refrigerant interface of the refrigeration compressor unit (13). A refrigerant storage tank (15) is fixedly connected to one end of the fluid delivery pipe (16). The refrigerant storage tank (15) is fixedly connected to the inner wall of the bottom of the base box (1). A gas delivery pipe (14) is fixedly connected to the cold air outlet of the refrigeration compressor unit (13). The top end of the gas delivery pipe (14) extends into the annular air inlet duct (11) and is fixedly connected to the inner wall of the bottom of the annular air inlet duct (11).

5. The embedded sterile temperature-controlled experimental platform according to claim 3, characterized in that, The recycling mechanism includes a cold air recovery tank (18) fixedly connected to the inner wall of the bottom of the base box (1). A liquefaction component is installed inside the cold air recovery tank (18). A gas discharge pipe (17) and an exhaust gas discharge pipe (19) are fixedly connected to the liquefaction component. One end of the gas discharge pipe (17) extends into the annular exhaust duct (12) and is fixedly connected to the inner wall of the bottom of the annular exhaust duct (12). One end of the exhaust gas discharge pipe (19) extends to the outside of the base box (1) and is fixedly connected to an overflow control valve (20). A drain pipe (21) is fixedly connected to the inner wall of the bottom of the cold air recovery tank (18). One end of the drain pipe (21) extends to the outside of the base box (1). An electromagnetic control valve (33) is fixedly connected inside the drain pipe (21).

6. The embedded sterile temperature-controlled experimental platform according to claim 5, characterized in that, The liquefaction assembly includes end-sealing plate I (26) and end-sealing plate II (28) fixedly connected to the cold gas recovery tank (18). End-sealing plate II (28) is located below end-sealing plate I (26). The bottom ends of the gas discharge pipe (17) and the exhaust gas discharge pipe (19) both penetrate end-sealing plate I (26) and extend to the bottom of end-sealing plate I (26). A liquefaction conduit (27) is fixedly connected to the bottom of end-sealing plate I (26). The bottom of the liquefaction conduit (27) is connected to the end-sealing plate I (26). The top of the end cap plate II (28) is fixedly connected, and a heat exchange box (30) is fixedly connected to the top of the end cap plate II (28). Multiple electric heating rods (31) are fixedly connected at equal intervals inside the heat exchange box (30). Fluid flow pipes (29) are symmetrically connected through the end cap plate II (28). A U-shaped end cap plate (32) is fixedly connected to the heat exchange box (30). The U-shaped end cap plate (32) is located between the gas discharge pipe (17) and the waste gas discharge pipe (19). Cold air flows into the liquefaction conduit (27) through the gas discharge pipe (17), the electric heating rod (31) heats the heat exchange box (30), the cold air flows under the U-shaped end plate (32) to extend the flow path and is heated to liquefy water, and the liquid water flows into the bottom of the cold air recovery tank (18) through the fluid flow pipe (29).

7. The embedded sterile temperature-controlled experimental platform according to claim 1, characterized in that, A support pad (8) is provided inside the operating hole. The support pad (8) is adapted to the inner wall of the operating hole, and the top of the support pad (8) is flush with the top of the workbench panel (2).

Images