Adjustable carbon dioxide incubator

Abstract

The utility model discloses an adjustable carbon dioxide incubator which comprises an incubator body, the front end of the incubator body is rotatably connected with a sealing glass door, a placing structure is arranged in the incubator body, a lifting structure is arranged on the inner wall of the incubator body, and an adjusting structure is arranged at the top of the incubator body. Compared with the prior art, the device has the advantages that the space between the shelving plates can be adjusted under the condition that a worker does not need to touch the shelving plates, so that the internal culture environment is prevented from being polluted when the worker touches the shelving plates; the concentration, the humidity and the temperature of carbon dioxide in the incubator can be conveniently adjusted, and the practicability of the carbon dioxide incubator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon dioxide incubators, in particular to an adjustable carbon dioxide incubator. Background Art

[0002] The carbon dioxide incubator is a device that cultures cell tissues in vitro by simulating a growth environment similar to that of cell tissues in living organisms. The incubator requires stable temperature, stable carbon dioxide level, constant pH, and high relative saturated humidity.

[0003] The patent number CN220183289U in the prior art discloses a carbon dioxide incubator, including a box body, the outside of the box body is movably connected with a box door, the inner walls at both ends of the box body are equidistantly provided with sockets, the inside of the box body is equidistantly provided with shelf boards, both ends of the shelf boards are provided with grooves, the inside of the groove is fixedly connected with a first spring, and the first spring is fixedly connected with a plug board that slides along the inside of the groove. The utility model pushes the push plate to slide along the inside of the slideway, and the pull ropes at both ends can slide along the inside of the through hole, so as to pull the plug boards at both ends into the inside of the groove, and compress the first spring to make it elastic, and then the shelf board can be supported for lifting and lowering adjustment, and the push plate can be released after the adjustment is completed, and the first spring with elastic force at both ends will push the plug board to be inserted into the socket, so as to firmly fix the position of the shelf board, and the spacing between each shelf board can be adjusted as needed, which is convenient for use.

[0004] However, the patents in the prior art have the following disadvantages:

[0005] (1) During use, the conventional CO2 incubator uses a manual adjustment method of manually adjusting the push plate and the hand-supported shelf plate to lift and fix. It is inevitable that the interior of the incubator will be touched, which is not conducive to maintaining the stability of the cell culture environment in the incubator. It is easy to cause internal contamination of the incubator, thereby destroying the internal environment of the incubator and causing culture failure.

[0006] (2) The carbon dioxide incubator in the prior art has poor autonomous airflow inside the box, and the carbon dioxide concentration, humidity and temperature inside the box cannot be adjusted. During long-term use, the working efficiency of the carbon dioxide incubator is reduced. Utility Model Content

[0007] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a device which can not only adjust the distance between the shelf boards without the need for workers to touch them to avoid contamination of the internal culture environment when the shelf boards are touched, but also facilitate the adjustment of the internal carbon dioxide concentration, humidity and temperature to improve the practicality of the carbon dioxide incubator.

[0008] In order to solve the above problems, the technical solution of the utility model is: an adjustable carbon dioxide incubator, comprising a box body, a sealed glass door is rotatably connected to the front end of the box body, a placement structure is provided inside the box body, a lifting structure is provided on the inner wall of the box body, and an adjustment structure is provided on the top of the box body;

[0009] The lifting structure includes a slide slot, which is opened at the front and rear ends of both sides of the inner wall of the box, and a slide rod is fixedly connected between the top and the bottom of the inner wall of the slide slot, and a lifting slot 1 is opened on the left side of the rear end of the inner wall of the box, a lifting slot 2 is opened in the middle of the rear end of the inner wall of the box, and a lifting slot 3 is opened on the right side of the rear end of the inner wall of the box;

[0010] The regulating structure includes a circulation chamber, which is opened on both sides and the top of the inner wall of the box body, air inlets are opened at the bottom of both sides of the circulation chamber, a heating wire is fixedly connected to one side of the inner wall of the circulation chamber, a fan is fixedly connected to the top of the circulation chamber, and a plurality of air outlets are opened on the inner wall of the circulation chamber at the bottom of the fan, a water tank is fixedly connected to the left side of the top of the box body, a gas pipe 1 is fixedly connected to the left side of the water tank, a carbon dioxide storage tank is fixedly connected to the right side of the top of the box body, a gas pipe 2 is fixedly connected to the right side of the carbon dioxide storage tank, a connecting pipe is fixedly connected between the water tank and the carbon dioxide storage tank, and solenoid valves are provided on the gas pipe 1, the gas pipe 2 and the connecting pipe.

[0011] Further, the placement structure includes a shelf plate 1, a shelf plate 2 and a shelf plate 3 are sequentially arranged below the shelf plate 1, front and rear ends of the shelf plate 1, the shelf plate 2 and the shelf plate 3 are fixedly connected with sliders, the left side of the rear end of the shelf plate 1 is fixedly connected with a screw block 1, the middle of the rear end of the shelf plate 2 is fixedly connected with a screw block 2, and the right side of the rear end of the shelf plate 3 is fixedly connected with a screw block 3, a plurality of flow holes are opened on the surfaces of the shelf plate 1, the shelf plate 2 and the shelf plate 3, four groups of placement grooves are opened at equal distances on the tops of the shelf plate 1, the shelf plate 2 and the shelf plate 3, a plurality of springs are fixedly connected to the two sides of the inner walls of the placement grooves, an arc-shaped clamping plate is fixedly connected to the side opposite to the spring, and a rubber pad is fixedly arranged on the side opposite to the arc-shaped clamping plate.

[0012] Furthermore, a screw rod 1 is rotatably connected between the top and bottom of the inner wall of the lifting groove 1, the top end of the screw rod 1 passes through the box body and the end is fixedly connected to a motor 1, and the screw block 1 is threadedly connected to the screw rod 1; a screw rod 2 is rotatably connected between the top and bottom of the inner wall of the lifting groove 2, the top end of the screw rod 2 passes through the box body and the end is fixedly connected to a motor 2, and the screw block 2 is threadedly connected to the screw 2; a screw rod 3 is rotatably connected between the top and bottom of the inner wall of the lifting groove 3, the top end of the screw rod 3 passes through the box body and the end is fixedly connected to a motor 3, and the screw block 3 is threadedly connected to the screw 3.

[0013] Furthermore, the bottom end of the first gas delivery pipe is connected to the left side of the top of the circulation chamber, the bottom end of the second gas delivery pipe is connected to the right side of the top of the circulation chamber, and one end of the connecting pipe extends under the water surface of the water tank.

[0014] Furthermore, a temperature sensor is fixedly connected to the left side of the rear end of the top inner wall of the box, a humidity sensor is fixedly connected to the middle of the rear end of the top inner wall of the box, and a carbon dioxide concentration sensor is fixedly connected to the right side of the rear end of the top inner wall of the box.

[0015] The advantages of the utility model compared with the existing technology are:

[0016] (1) The utility model is provided with a lifting structure, through the coordinated use of lifting slot 1, screw rod 1, motor 1, screw block 1, lifting slot 2, screw rod 2, motor 2, screw block 2, lifting slot 3, screw rod 3, motor 3 and screw block 3, the shelf board 1, shelf board 2 and shelf board 3 can be lifted and moved respectively, so that the spacing between the multi-layer shelf boards can be adjusted without the need for staff to touch them, which is convenient for use and avoids the situation that the staff touches the shelf boards during manual adjustment and pollutes the culture environment inside the box, thereby improving the accuracy of the culture experiment;

[0017] (2) The utility model is provided with an adjustment structure, which detects the temperature, humidity and carbon dioxide concentration of the inner cavity of the box in real time through the temperature sensor, humidity sensor and carbon dioxide concentration sensor. By starting the fan, a circulating airflow is formed in the inner cavity of the box. By controlling the gas supply pipe 1, the carbon dioxide gas inside the carbon dioxide storage box is transported to the inside of the circulation cavity, thereby realizing the change of carbon dioxide concentration. The carbon dioxide is brought into contact with the pure water in the water tank through the connecting pipe and introduced into the box through the gas supply pipe 2, thereby changing the humidity of the air inside the box. The temperature of the air flow inside the circulation cavity is heated by energizing the heating wire. The carbon dioxide after the temperature, humidity or concentration is changed is transported to the air outlet through the fan, and then evenly sprayed onto the culture dish, thereby improving the practicality of the device and facilitating people's daily use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a three-dimensional adjustable carbon dioxide incubator Figure 1 .

[0019] Figure 2 The utility model is a three-dimensional adjustable carbon dioxide incubator Figure 2 .

[0020] Figure 3 It is a front sectional view of an adjustable carbon dioxide incubator of the utility model.

[0021] Figure 4 It is a side sectional view of an adjustable carbon dioxide incubator of the utility model.

[0022] Figure 5 It is a top sectional view of an adjustable carbon dioxide incubator of the utility model.

[0023] Figure 6 The utility model is a structural schematic diagram of a placement structure of an adjustable carbon dioxide incubator.

[0024] As shown in the figure: 1. Box body; 2. Sealed glass door; 3. Placement structure; 31. Shelf board 1; 311. Screw block 1; 32. Shelf board 2; 321. Screw block 2; 33. Shelf board 3; 331. Screw block 3; 34. Slider; 35. Flow hole; 36. Placement slot; 37. Spring; 38. Arc clamping plate; 39. Rubber pad; 4. Lifting structure; 41. Slide slot; 42. Slide rod; 43. Lifting slot 1; 431. Screw rod 1; 432. Motor 1; 44. Lifting slot 2; 441. Screw rod two; 442. Motor two; 45. Lifting slot three; 451. Screw rod three; 452. Motor three; 5. Adjustment structure; 51. Circulation chamber; 52. Air inlet; 53. Heating wire; 531. Temperature sensor; 54. Fan; 541. Air outlet; 55. Water tank; 551. Gas pipe one; 552. Humidity sensor; 56. Carbon dioxide storage tank; 561. Gas pipe two; 562. Connecting pipe; 563. Carbon dioxide concentration sensor; 57. Solenoid valve. DETAILED DESCRIPTION

[0025] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0026] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0027] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0028] like Figures 1 to 6As shown, an adjustable carbon dioxide incubator comprises a box body 1, a sealed glass door 2 is rotatably connected to the front end of the box body 1, a placement structure 3 is arranged inside the box body 1, the placement structure 3 comprises a shelf board 1 31, a shelf board 2 32 and a shelf board 3 33 are arranged in sequence below the shelf board 1 31, front and rear ends of both sides of the shelf board 1 31, the shelf board 2 32 and the shelf board 3 33 are fixedly connected with sliders 34, a screw block 1 311 is fixedly connected to the left side of the rear end of the shelf board 1 31, a screw block 2 321 is fixedly connected to the middle of the rear end of the shelf board 2 32, and a screw block 331 is fixedly connected to the right side of the rear end of the shelf board 33, a plurality of flow holes 35 are opened on the surfaces of the shelf board 1 31, the shelf board 2 32 and the shelf board 3 33, and the shelf board 1 31 is fixedly connected to the left side of the rear end of the shelf board 1 31, a screw block 2 321 is fixedly connected to the middle of the rear end of the shelf board 2 32, and a screw block 331 is fixedly connected to the right side of the rear end of the shelf board 33. Four groups of placement grooves 36 are equidistantly provided on the tops of the second shelf board 32 and the third shelf board 33, and a plurality of springs 37 are fixedly connected to the two sides of the inner wall of the placement grooves 36, and an arc-shaped clamping plate 38 is fixedly connected to the side opposite to the spring 37, and a rubber pad 39 is fixedly provided on the side opposite to the arc-shaped clamping plate 38. During use, the sealed glass door 2 is opened, and the cell tissue culture dishes to be cultured are quickly placed on the placement grooves 36 of the first shelf board 31, the second shelf board 32 and the third shelf board 33 for fixation, and then the sealed glass door 2 is closed. When placing the culture dishes, the springs 37 on both sides will drive the arc-shaped clamping plate 38 and the rubber pad 39 to squeeze and stabilize the culture dishes, thereby playing a limiting effect, which can prevent the culture dishes from sliding and make them stable.

[0029] A lifting structure 4 is provided on the inner wall of the box body 1, and the lifting structure 4 includes a slide groove 41, which is opened at the front and rear ends of both sides of the inner wall of the box body 1, and a slide rod 42 is fixedly connected between the top and the bottom of the inner wall of the slide groove 41, and a lifting groove 1 43 is opened on the left side of the rear end of the inner wall of the box body 1, and a lifting groove 2 44 is opened in the middle of the rear end of the inner wall of the box body 1, and a lifting groove 3 45 is opened on the right side of the rear end of the inner wall of the box body 1. A screw 1 431 is rotatably connected between the top and the bottom of the inner wall of the lifting groove 1 43, and the screw 1 431 is rotatably connected between the top and the bottom of the inner wall of the lifting groove 1 43. The top of the lifting slot 44 passes through the box 1 and the end is fixedly connected to the motor 432. The screw block 311 is threadedly connected to the screw 431. The top and bottom of the inner wall of the lifting slot 44 are rotatably connected to the screw 441. The top of the screw 441 passes through the box 1 and the end is fixedly connected to the motor 442. The screw block 321 is threadedly connected to the screw 441. The top and bottom of the inner wall of the lifting slot 3 45 are rotatably connected to the screw 3 451. The top of the screw 3 451 passes through the box 1 and the end is fixedly connected to the motor 442. The motor 452 is connected to the screw block 331 which is threadedly connected to the screw rod 3 451. During use, the motor 432 is started to drive the screw rod 431 to rotate, and the screw rod 431 drives the screw block 311 to move up and down, thereby driving the shelf plate 31 to move up and down in the lifting groove 1 43. The motor 2 442 is started to drive the screw rod 2 441 to rotate, and the screw rod 2 441 drives the screw block 2 321 to move up and down, thereby driving the shelf plate 2 32 to move up and down in the lifting groove 2 44. The motor 3 452 is started to drive the screw 3 451 to rotate, and the screw 3 451 drives the screw block 331 to move up and down, thereby driving the shelf plate 2 32 to move up and down in the lifting groove 3 45, so that the shelf plate 1 31, the shelf plate 2 32 and the shelf plate 3 33 can be lifted and moved respectively, so that the spacing between the multi-layer shelf plates can be adjusted without the need for the staff to touch them, which is convenient for use. At the same time, it avoids the situation where the staff touches the shelf plates during manual adjustment and pollutes the culture environment inside the box 1, thereby improving the accuracy of the culture experiment.

[0030] The top of the box body 1 is provided with an adjustment structure 5, which includes a circulation chamber 51. The circulation chamber 51 is opened on both sides and the top of the inner wall of the box body 1. Air inlets 52 are opened at the bottom of both sides of the circulation chamber 51. One side of the inner wall of the circulation chamber 51 is fixedly connected with an electric heating wire 53. The top of the circulation chamber 51 is fixedly connected with a fan 54. The inner wall of the circulation chamber 51 at the bottom of the fan 54 is provided with a plurality of air outlets 541. The left side of the top of the box body 1 is fixedly connected with a water tank 55. The left side of the water tank 55 is fixedly connected with an air supply pipe 551. The bottom end of the air supply pipe 551 is connected to the left side of the top of the circulation chamber 51. The right side of the top of the box body 1 is fixedly connected with a carbon dioxide storage tank 56. The carbon dioxide A gas pipe 2 561 is fixedly connected to the right side of the storage box 56, and the bottom end of the gas pipe 2 561 is connected to the right side of the top of the circulation chamber 51. A connecting pipe 562 is fixedly connected between the water tank 55 and the carbon dioxide storage box 56, and one end of the connecting pipe 562 extends under the water surface of the water tank 55. Since pure water is arranged inside the water tank 55, the carbon dioxide can be humidified when the carbon dioxide gas passes through the pure water. Solenoid valves 57 are provided on the gas pipe 1 551, the gas pipe 2 561 and the connecting pipe 562. A temperature sensor 531 is fixedly connected to the left side of the rear end of the top of the inner wall of the box body 1, and a humidity sensor 552 is fixedly connected to the middle of the rear end of the top of the inner wall of the box body 1. A carbon dioxide concentration sensor 563 is fixedly connected to the right side of the rear end of the top of the inner wall of the box 1. During use, the temperature sensor 531, the humidity sensor 552 and the carbon dioxide concentration sensor 563 are used to detect the temperature, humidity and carbon dioxide concentration of the inner cavity of the box 1 in real time, and then the fan 54 is controlled to start. Through the coordinated use of the air inlet 52, the circulation cavity 51 and the air outlet 541, a circulating airflow is formed in the inner cavity of the box 1. When the carbon dioxide concentration is lower than the preset concentration value, the solenoid valve 57 on the gas delivery pipe 551 is controlled to open, so that the carbon dioxide gas inside the carbon dioxide storage box 56 can be transported to the inside of the circulation cavity 51 and discharged through the air outlet 541. 1 is exported to the culture dish in the placement groove 36 on the top of the shelf plate, so as to change the concentration of carbon dioxide. When the humidity is lower than the preset humidity value, the solenoid valve 57 on the control connecting pipe 562 is opened to make the carbon dioxide contact with the pure water in the water tank 55, so as to change the humidity of the carbon dioxide inside the box body 1. If the temperature is lower than the preset temperature value, the electric heating wire 53 is energized to heat the air flow temperature in the circulation chamber 51 until the preset temperature value is restored to enter the insulation state. The carbon dioxide with changed temperature, humidity or concentration is transported to the air outlet 541 through the fan 54, and then evenly sprayed to the culture dish, thereby improving the practicality of the device and facilitating people's daily use.

[0031] In specific use, first open the sealed glass door 2, and quickly place the cell tissue culture dishes that need to be cultured in the placement grooves 36 of the shelf board 1 31, the shelf board 2 32 and the shelf board 33 for fixation, then close the sealed glass door 2, and when placing them, the springs 37 on both sides will drive the arc clamping plates 38 and the rubber pads 39 to squeeze and stabilize the culture dishes, then start the motor 1 432 to drive the shelf board 1 31 to move up and down in the lifting groove 1 43, start the motor 2 442 to drive the shelf board 2 32 to move up and down in the lifting groove 2 44, and start the motor 3 452 to drive the shelf board 2 32 to move up and down in the lifting groove 3 45, so that the distances between the shelf board 1 31, the shelf board 2 32 and the shelf board 33 can be adjusted respectively, so as to avoid the staff touching the shelf board during manual adjustment and polluting the culture environment inside the box 1, and then control the fan 54 to start, so that a circulating airflow is formed in the inner cavity of the box 1, through the temperature sensor 531, the humidity sensor 552 and the carbon dioxide concentration sensor 563 performs real-time detection on the temperature, humidity and carbon dioxide concentration of the inner cavity of the box body 1. When the carbon dioxide concentration is lower than the preset concentration value, the solenoid valve 57 on the gas supply pipe 1 551 is controlled to open, and the carbon dioxide gas inside the carbon dioxide storage box 56 is transported to the circulation cavity 51, and is exported to the culture dish in the slot 36 on the top of the shelf through the outlet 541, thereby changing the carbon dioxide concentration. When the humidity is lower than the preset humidity value, the solenoid valve 57 on the connecting pipe 562 is controlled to open, so that the carbon dioxide contacts the pure water in the water tank 55, and then is introduced into the circulation cavity 51 through the gas supply pipe 2 561, thereby changing the humidity of the carbon dioxide inside the box body 1. When the temperature is lower than the preset temperature value, the electric heating wire 53 is energized to heat the air flow temperature in the circulation cavity 51 until the preset temperature value is restored to enter the insulation state. The carbon dioxide after the temperature, humidity or concentration is changed is transported to the outlet 541 through the fan 54, and then evenly sprayed onto the culture dish, thereby improving the practicality of the device and facilitating people's daily use.

[0032] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An adjustable carbon dioxide incubator, comprising a box body (1), characterized in that: The front end of the box (1) is rotatably connected to a sealed glass door (2); a placement structure (3) is provided inside the box (1); a lifting structure (4) is provided on the inner wall of the box (1); and an adjustment structure (5) is provided on the top of the box (1); The lifting structure (4) comprises a slide groove (41), the slide groove (41) is provided at the front and rear ends of both sides of the inner wall of the box body (1), a slide rod (42) is fixedly connected between the top and the bottom of the inner wall of the slide groove (41), a lifting groove 1 (43) is provided on the left side of the rear end of the inner wall of the box body (1), a lifting groove 2 (44) is provided in the middle of the rear end of the inner wall of the box body (1), and a lifting groove 3 (45) is provided on the right side of the rear end of the inner wall of the box body (1); The regulating structure (5) comprises a circulation chamber (51), wherein the circulation chamber (51) is provided on both sides and the top of the inner wall of the box body (1), air inlets (52) are provided at the bottom of both sides of the circulation chamber (51), a heating wire (53) is fixedly connected to one side of the inner wall of the circulation chamber (51), a fan (54) is fixedly connected to the top of the circulation chamber (51), a plurality of air outlets (541) are provided on the inner wall of the circulation chamber (51) at the bottom of the fan (54), and a heating wire (53) is fixedly connected to the left side of the top of the box body (1). A water tank (55) is connected, and a gas pipe 1 (551) is fixedly connected to the left side of the water tank (55). A carbon dioxide storage tank (56) is fixedly connected to the right side of the top of the box body (1), and a gas pipe 2 (561) is fixedly connected to the right side of the carbon dioxide storage tank (56). A connecting pipe (562) is fixedly connected between the water tank (55) and the carbon dioxide storage tank (56), and solenoid valves (57) are provided on the gas pipe 1 (551), the gas pipe 2 (561) and the connecting pipe (562).

2. An adjustable carbon dioxide incubator according to claim 1, characterized in that: The placement structure (3) comprises a shelf plate 1 (31), a shelf plate 2 (32) and a shelf plate 3 (33) are arranged in sequence below the shelf plate 1 (31), front and rear ends of both sides of the shelf plate 1 (31), the shelf plate 2 (32) and the shelf plate 3 (33) are fixedly connected with sliders (34), the left side of the rear end of the shelf plate 1 (31) is fixedly connected with a screw block 1 (311), the middle of the rear end of the shelf plate 2 (32) is fixedly connected with a screw block 2 (321), and the right side of the rear end of the shelf plate 3 (33) is fixedly connected with a screw block Three (331), the surfaces of the shelf plate one (31), the shelf plate two (32) and the shelf plate three (33) are all provided with a plurality of flow holes (35), the tops of the shelf plate one (31), the shelf plate two (32) and the shelf plate three (33) are equidistantly provided with four groups of placement grooves (36), the inner walls of the placement grooves (36) are fixedly connected with a plurality of springs (37) on both sides, the side opposite to the spring (37) is fixedly connected with an arc-shaped clamping plate (38), and the side opposite to the arc-shaped clamping plate (38) is fixedly provided with a rubber pad (39).

3. The adjustable carbon dioxide incubator according to claim 2, characterized in that: A screw rod 1 (431) is rotatably connected between the top and bottom of the inner wall of the lifting groove 1 (43), the top end of the screw rod 1 (431) passes through the box body (1) and the end is fixedly connected to a motor 1 (432), and the screw block 1 (311) is threadedly connected to the screw rod 1 (431). A screw rod 2 (441) is rotatably connected between the top and bottom of the inner wall of the lifting groove 2 (44), the top end of the screw rod 2 (441) passes through the box body (1) and the end is fixedly connected to the motor 2 (442), and the screw block 2 (321) is threadedly connected to the screw rod 2 (441). A screw rod 3 (451) is rotatably connected between the top and bottom of the inner wall of the lifting groove 3 (45), the top end of the screw rod 3 (451) passes through the box body (1) and the end is fixedly connected to the motor 3 (452), and the screw block 3 (331) is threadedly connected to the screw rod 3 (451).

4. The adjustable carbon dioxide incubator according to claim 1, characterized in that: The bottom end of the first air delivery pipe (551) is connected to the left side of the top of the circulation chamber (51), the bottom end of the second air delivery pipe (561) is connected to the right side of the top of the circulation chamber (51), and one end of the connecting pipe (562) extends below the water surface of the water tank (55).

5. The adjustable carbon dioxide incubator according to claim 1, characterized in that: A temperature sensor (531) is fixedly connected to the left side of the rear end of the top of the inner wall of the box body (1), a humidity sensor (552) is fixedly connected to the middle of the rear end of the top of the inner wall of the box body (1), and a carbon dioxide concentration sensor (563) is fixedly connected to the right side of the rear end of the top of the inner wall of the box body (1).

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