Temperature and humidity three-control image cabin for animal imaging

By installing temperature and humidity sensors and a drive mechanism inside the imaging chamber, combined with an electric heating element, cooling water pipe, and humidification system, the problem of temperature and humidity regulation inside the sealed imaging chamber was solved, enabling efficient and safe operation of the animal imaging equipment.

CN121868069APending Publication Date: 2026-04-17NANCHANG HUALIANG PHOTOELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANCHANG HUALIANG PHOTOELECTRIC CO LTD
Filing Date
2023-11-20
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

In existing animal imaging equipment, the temperature and humidity inside the sealed imaging chamber are difficult to regulate quickly, causing experimental animals to become sick or die due to temperature and humidity discomfort, affecting animal health and reducing scanning efficiency.

Method used

Temperature and humidity sensors are installed inside the imaging chamber. The temperature is regulated by electric heating tubes and cooling water pipes, and the airflow direction is controlled by insert plates and drive mechanisms. Combined with humidification pipes and spray nozzles, real-time adjustment and uniform control of temperature and humidity are achieved.

Benefits of technology

It enables rapid and uniform adjustment of temperature and humidity within the imaging chamber, ensuring animal health, avoiding chemical corrosion damage caused by frequent disinfection, and improving scanning efficiency.

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Abstract

The temperature and humidity three-control image cabin for animal imaging comprises a cabin body, a temperature and humidity sensor is arranged on the side wall of the cabin body, and the temperature and humidity in the cabin body are monitored in real time; when the temperature in the cabin body is lower than a set value, an electric heating pipe is started, airflow sequentially passes through a second through groove in the upper end of a baffle and a second through groove in the lower end of the side wall, away from one side of the baffle, of a second cavity, and hot air enters the cabin body from the bottom; when the temperature in the cabin body is higher than a set value, the cooling water pipe is communicated with an external cold source, and airflow sequentially passes through a second through groove in the lower end of the baffle and a second through groove in the upper end of the side wall of the side, away from the baffle, of the second cavity and enters the cabin body from the upper portion; hot air and cold air respectively enter the cabin body from the bottom and the upper part of the cabin body and are matched with the density of the hot air and the density of the cold air, so that air in the cabin body flows more smoothly, and the temperature in the cabin body is effectively adjusted; in addition, the contact time of air and spray is prolonged, and the humidifying effect is better.
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Description

Technical Field

[0001] This invention relates to the field of animal imaging equipment technology, specifically to a temperature, humidity, and air-controlled imaging chamber for animal imaging. Background Technology

[0002] Researchers use imaging equipment (such as MRI, CT, and PET scanners) to image animals to meet research needs. Currently, most animal chambers are open or semi-closed structures, with animals residing in the chamber or on the scanning bed and moving in and out of the scanning ports of the imaging equipment. In high-level biosafety laboratories, after scanning animal models, frequent and thorough disinfection of the scanning room environment and imaging equipment is necessary to prevent virus transmission, ensure safety, and avoid cross-infection. However, frequent disinfection not only reduces scanning efficiency but also increases chemical corrosion damage to the equipment, affecting its usability.

[0003] Therefore, in order to solve the problem of low scanning efficiency caused by frequent disinfection during animal imaging, existing technologies place experimental animals in a sealed imaging chamber, thereby eliminating the need for frequent disinfection of the scanning room and imaging equipment. This reduces the chemical corrosive damage to the imaging equipment caused by disinfection, avoids the spread of viruses, and ensures safety.

[0004] However, placing laboratory animals in a sealed imaging chamber, with the chamber simply connected to a ventilation system via air inlet and outlet pipes, can prevent the animals from dying due to lack of airflow. However, the temperature and humidity inside the imaging chamber cannot be quickly adjusted as needed, which can cause the animals to become ill due to temperature and humidity discomfort, affecting their physical and mental health, and sometimes even leading to their death. Summary of the Invention

[0005] The purpose of this invention is to improve and innovate upon the shortcomings and problems existing in the prior art, and to provide a temperature, humidity and air three-control imaging chamber for animal imaging.

[0006] A temperature, humidity, and air-controlled imaging chamber for animal imaging includes a chamber body with a detachable cover at the top. Temperature and humidity sensors are installed on the side walls of the chamber body. Air inlet and outlet channels are connected to the two side walls of the chamber body, respectively. At least a second and a third cavity are formed on the side wall located on the side of the air inlet channel. The air inlet channel is sequentially connected to the third and second cavities. A baffle is provided between the third and second cavities. First insert plates are inserted into both the baffle and the side wall of the second cavity away from the baffle. First through slots are formed at the upper and lower ends of the first insert plates. The baffle and the second cavity have second through slots corresponding to the first through slots at their upper and lower ends on the side wall away from the baffle. The two first insert plates move in opposite directions under the drive of the first driving mechanism, so that the airflow passes through the second through slot at the lower end of the baffle and the second through slot at the upper end of the side wall away from the baffle of the second cavity in sequence, or through the second through slot at the upper end of the baffle and the second through slot at the lower end of the side wall away from the baffle of the second cavity. The upper and lower ends of the third cavity are provided with humidifying pipes, and the humidifying pipes are provided with spray nozzles. The second cavity is provided with an electric heating pipe and a cooling water pipe.

[0007] As can be seen from the above technical solution, the present invention monitors the temperature and humidity inside the cabin in real time by installing temperature and humidity sensors on the inner wall of the cabin. When the temperature inside the cabin is lower than the set value, the electric heating tube is activated, and under the action of the first driving mechanism, the airflow passes sequentially through the second channel at the upper end of the baffle and the second channel at the lower end of the side wall of the second cavity away from the baffle, allowing hot air to enter the cabin from the bottom and heat the cabin. When the temperature inside the cabin is higher than the set value, the cooling water pipe is connected to the external cold source, and under the action of the first driving mechanism, the airflow passes sequentially through the second channel at the upper end of the baffle and the second channel at the lower end of the side wall of the second cavity away from the baffle, allowing hot air to enter the cabin from the bottom and heat the cabin. The second through-slot at the lower end of the baffle and the second through-slot at the upper end of the side wall of the second cavity away from the baffle allow cold air to enter the cabin from the top, cooling the cabin. Hot air and cold air enter the cabin from the bottom and top of the cabin respectively. The density of hot air and cold air is adapted to facilitate smoother airflow in the cabin and effectively regulate the temperature inside the cabin. In addition, the hot air and cold air enter from the upper end and exit from the lower end or vice versa in the second cavity, which prolongs the contact time between the air and the spray, resulting in better humidification and more uniform humidity of the air entering the cabin.

[0008] A further embodiment is that a first cavity, which is separated from the second cavity and the third cavity, is also provided on the side wall of the air intake channel. The first drive mechanism includes a first rack, and the upper ends of two first insert plates extend into the first cavity and are fixedly connected to the first rack. A first gear is simultaneously meshed between the two first racks, and the first gear is driven to rotate by a first motor.

[0009] As can be seen from the above technical solution, the present invention drives the first gear to rotate through the first motor. Since the first gear is meshed with the first rack on both sides, it is convenient to make the two first insert plates move towards each other or away from each other at the same time. This facilitates the adjustment of the airflow to pass sequentially through the second through groove at the lower end of the baffle and the second through groove at the upper end of the side wall of the second cavity away from the baffle, or through the second through groove at the upper end of the baffle and the second through groove at the lower end of the side wall of the second cavity away from the baffle.

[0010] A further embodiment is that the output end of the first motor is fixedly connected to a first rotating rod, the end of the first rotating rod away from the first motor passes through the side wall of the cabin and extends into the transmission frame where a second gear is installed. The second gear meshes with a second rack, which slides in a groove on the transmission frame. The lower end of the second rack meshes with a third gear. A rotating tube is provided in the middle of the second cavity, and both ends of the rotating tube are rotatably connected to the side wall of the cabin. Several fan blades are rotatably connected to the rotating tube at intervals. The fan blades are driven to rotate by a second drive mechanism. The third gear is installed on the outer surface of the rotating tube.

[0011] As can be seen from the above technical solution, when the first motor adjusts the two first insert plates to move in opposite directions, it will simultaneously adjust the orientation of the fan blades on the rotating tube, so that the direction of airflow driven by the fan blades is adapted to the direction of hot air and cold air flow. The fan blades provide power for airflow to accelerate the airflow speed. At the same time, the spray is dispersed under the action of the fan blade rotation, which is conducive to the full mixing of air and spray and improves the humidification effect.

[0012] A further embodiment is that the second drive mechanism includes a second motor, which is disposed inside the rotating tube. The output end of the second motor is fixedly connected to a second rotating rod. Several driving bevel gears are spaced apart on the second rotating rod. The driving bevel gears are meshed with driven bevel gears. The fan blades are mounted on the gear shaft of the driven bevel gears.

[0013] A further embodiment is that the rotating tube has several first air outlets spaced apart on its sidewall, and the end of the rotating tube away from the transmission frame passes through the sidewall of the cabin and is connected to an external anesthetic gas source through a rotary joint.

[0014] As can be seen from the above technical solution, by setting up a rotating tube, it is convenient to mix anesthetic gas with air to anesthetize animals in the chamber; the even distribution of the first air outlet on the rotating tube is conducive to the uniform mixing of anesthetic gas and air; since the first air outlet is set on the rotating tube, it can be aligned with the air flow direction in the second chamber, which is conducive to the anesthetic gas and air entering the chamber after mixing; in addition, the rotating tube is arranged in the second chamber, which also prolongs the contact time between air and anesthetic gas, which is conducive to the uniform mixing of air and anesthetic gas entering the chamber.

[0015] A further embodiment is that a distributor is provided in the middle of the third cavity, the distributor is connected to the air intake channel, and a number of second air outlets are provided at intervals on the top and bottom walls of the distributor.

[0016] A further embodiment involves a fourth cavity being formed on the side wall of the cabin located on one side of the air outlet channel. A second insert plate is inserted into the side wall of the fourth cavity. The second insert plate has third through slots at its upper and lower ends. The fourth cavity has fourth through slots at its upper and lower ends corresponding to the third through slots. The second insert plate can move up and down under the action of a third driving mechanism, so that the third through slot at the upper end of the second insert plate coincides with the fourth through slot at the upper end of the fourth cavity, or the third through slot at the lower end of the second insert plate coincides with the fourth through slot at the lower end of the fourth cavity.

[0017] A further embodiment is that a fifth cavity, which is separated from the fourth cavity, is provided on the side wall of the cabin located on the side of the air outlet channel. The third drive mechanism includes a third rack, and the upper end of the second insert plate extends into the fifth cavity and is connected to the third rack. The third rack is meshed with a fourth gear, and the fourth gear is driven to rotate by a third motor.

[0018] A further option is that both the electric heating element and the cooling water pipe are composed of several U-shaped pipes spliced ​​together.

[0019] A further embodiment is that the hatch covers the cabin body, a rubber pad is provided at the contact point between the hatch and the cabin body, rotating blocks are rotatably connected to the side walls of the hatch, and fixed blocks are provided at the upper ends of the side walls of the cabin body, with the bottom end of the rotating blocks hooking onto the fixed blocks.

[0020] Compared with the prior art, the beneficial effects of the present invention are: (1) The present invention monitors the temperature and humidity inside the cabin in real time by setting a temperature and humidity sensor on the inner wall of the cabin; when the temperature inside the cabin is lower than the set value, the electric heating tube is activated, and under the action of the first driving mechanism, the airflow passes through the second channel at the upper end of the baffle and the second channel at the lower end of the side wall of the second cavity away from the baffle in sequence, so that the hot air enters the cabin from the bottom and heats the cabin; when the temperature inside the cabin is higher than the set value, the cooling water pipe is connected to the external cold source, and under the action of the first driving mechanism, The airflow passes sequentially through the second channel at the lower end of the baffle and the second channel at the upper end of the side wall of the second cavity away from the baffle, allowing cold air to enter the cabin from the top and cool the cabin. Hot air and cold air enter the cabin from the bottom and top of the cabin respectively. The density of hot air and cold air is adapted to facilitate smoother airflow in the cabin and effectively regulate the temperature inside the cabin. In addition, hot air and cold air enter from the upper end and exit from the lower end or vice versa in the second cavity, which prolongs the contact time between the air and the spray, resulting in better humidification and more uniform humidity of the air entering the cabin. (2) This invention monitors the temperature and humidity inside the cabin in real time by installing a temperature and humidity sensor on the inner wall of the cabin. When the temperature inside the cabin is lower than the set value, the electric heating tube is activated, and under the action of the first driving mechanism, the airflow passes through the second channel at the upper end of the baffle and the second channel at the lower end of the side wall of the second cavity away from the baffle in sequence, so that hot air enters the cabin from the bottom and heats the cabin. When the temperature inside the cabin is higher than the set value, the cooling water pipe is connected to the external cold source, and under the action of the first driving mechanism, the airflow passes through the baffle in sequence. The second through slot at the lower end of the plate and the second through slot at the upper end of the side wall of the second cavity away from the baffle allow cold air to enter the cabin from the top, cooling the cabin. Hot air and cold air enter the cabin from the bottom and top of the cabin respectively. The density of hot air and cold air is adapted to facilitate smoother airflow in the cabin and effectively regulate the temperature inside the cabin. In addition, hot air and cold air enter from the upper end and exit from the lower end or vice versa in the second cavity, which prolongs the contact time between the air and the spray, resulting in better humidification and more uniform humidity of the air entering the cabin. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a frontal cross-sectional view of the temperature, humidity and air three-control imaging chamber for animal imaging provided in an embodiment of the present invention; Figure 2 Provided by the embodiments of the present invention Figure 1 Schematic diagram of the cross-sectional structure at point AA; Figure 3 Provided by the embodiments of the present invention Figure 1 Schematic diagram of the cross-sectional structure at point BB; Figure 4 This is a schematic diagram of the cross-sectional structure of the rotating tube provided in an embodiment of the present invention.

[0023] Reference numerals: 1. Cabin; 2. Cover; 3. Temperature and humidity sensor; 4. Rotating block; 5. Fixing block; 6. First cavity; 7. Second cavity; 8. Third cavity; 9. Cooling water pipe; 10. Electric heating element; 11. Distributor; 12. Air intake channel; 13. First rotating rod; 14. First gear; 15. First rack; 16. First insert plate; 17. First through slot; 18. Baffle; 19. Second through slot; 20. Rotating pipe; 21. Fan blade; 22. Second motor; 23. Second rotor. Moving rod 24, driving bevel gear 25, driven bevel gear 26, first air outlet 27, humidifying pipe 28, spray nozzle 29, rotary joint 30, transmission frame 31, second gear 32, second rack 33, third gear 34, slide groove 35, fourth cavity 36, fourth gear 37, third rack 38, second insert plate 39, third through groove 40, fourth through groove 41, air outlet channel 42, rubber pad 43, fifth cavity 44, second air outlet 45. Detailed Implementation

[0024] To make the objectives, features, and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] Please see Figures 1-4The present invention provides a temperature, humidity and air three-control imaging chamber for animal imaging, including a chamber body 1, wherein a cover 2 is detachably connected to the upper end of the chamber body 1. Specifically, the cover 2 is placed on the chamber 1. A rubber pad 43 is provided at the contact point between the lower surface of the cover 2 and the chamber 1. Rotating blocks 4 are rotatably connected to the side walls of the cover 2, and fixed blocks 5 are provided at the upper ends of the side walls of the chamber 1. The bottom end of the rotating block 4 hooks onto the fixed block 5. When the rotating block 4 is rotated upwards, so that the bottom end of the rotating block 4 disengages from the fixed block 5, the cover 2 can be easily removed from the chamber 1, thus facilitating the placement of experimental animals such as mice and squirrels inside the chamber 1, where the mice and squirrels can grow and develop normally. Then, the cover 2 is placed on the chamber 1, and the rotating block 4 is rotated downwards, so that the bottom end of the rotating block 4 hooks onto the fixed block 5, thus isolating the experimental animals inside the chamber 1 from the external environment. The viruses of the experimental animals will remain in the chamber 1 and will not leak or spread. This eliminates the need for frequent disinfection of the imaging equipment and avoids chemical corrosion damage to the imaging equipment.

[0028] It should be noted that, in this embodiment, the imaging equipment is one or more combinations of positron emission tomography (PET) and X-ray computed tomography.

[0029] Temperature and humidity sensors 3 are installed on the side walls of the chamber 1 to monitor the temperature and humidity inside the chamber 1 in real time. Air inlet channels 12 and air outlet channels 42 are respectively connected to the side walls of the chamber 1. The ends of the air inlet channels 12 and air outlet channels 42, away from the chamber 1, are connected to a ventilation device via connecting pipes. The air inlet channels 12 and air outlet channels 42 enable the chamber 1 to exchange air with the outside environment, allowing the experimental animals inside the chamber 1 to breathe. The air exhaled by the experimental animals and the air inside the chamber 1 flows out of the chamber 1 through the air outlet channels 42 and enters the ventilation device, which disinfects the air discharged from the chamber 1.

[0030] The air intake channel 12 has a first cavity 6, a second cavity 7, and a third cavity 8 on one side wall. The first cavity 6 is located above the second cavity 7 and the third cavity 8, and is separated from the second cavity 7 and the third cavity 8 by a partition. The air intake channel 12 is sequentially connected to the third cavity 8 and the second cavity 7. A baffle 19 is provided between the third cavity 8 and the second cavity 7 to separate them. A distributor 11 is provided in the middle of the third cavity 8 and is connected to the air intake channel 12. The top and bottom walls of the distributor 11 are provided with a plurality of second air outlets 45 at intervals, so that the airflow entering the distributor 11 can flow evenly upward or downward. In this embodiment, an electric heating tube 10 is installed at the upper end of the second cavity 7, and a cooling water pipe 9 is installed at the lower end of the second cavity 7. The cooling water pipe 9 penetrates the side wall of the cabin 1 and connects to an external cold source. A solenoid valve can be installed on the cooling water pipe 9 to control its on / off state. Both the electric heating tube 10 and the cooling water pipe 9 are composed of several U-shaped tubes spliced ​​together, which helps to increase the contact area between the electric heating tube 10 and the cooling water pipe 9 and the gas entering the third cavity 8, thereby facilitating the full heating and cooling of the gas.

[0031] First insert plates 17 are inserted into the sidewalls of both the baffle 19 and the second cavity 7 on the side away from the baffle 19. First through slots 18 are formed at the upper and lower ends of the first insert plates 17. Second through slots 20, corresponding to the first through slots 18, are formed at the upper and lower ends of the sidewalls of both the baffle 19 and the second cavity 8 on the side away from the baffle 19. When the first through slot 18 on the first insert plate 17 coincides with the second through slot 20 on the baffle 19, it facilitates the airflow from the third cavity 8 into the second cavity 7. When the first through slot 18 on the first insert plate 17 coincides with the second through slot 20 on the sidewall of the second cavity 7 on the side away from the baffle 19, it facilitates the airflow from the second cavity 7 into the cabin 1.

[0032] The two first insert plates 17 move in opposite directions under the drive of the first drive mechanism, so that the airflow passes sequentially through the second through groove 20 at the lower end of the baffle 19 and the second through groove 20 at the upper end of the side wall of the second cavity 7 away from the baffle 19, or through the second through groove 20 at the upper end of the baffle 19 and the second through groove 20 at the lower end of the side wall of the second cavity 7 away from the baffle 19. Understandably, when the temperature inside the cabin 1 is lower than the set value, the electric heating tube 10 is activated, and under the action of the first driving mechanism, the airflow passes sequentially through the second channel 20 at the upper end of the baffle 19 and the second channel 20 at the lower end of the side wall of the second cavity 7 away from the baffle 19, allowing hot air to enter the cabin 1 from the bottom and heat up the cabin 1. When the temperature inside the cabin 1 is higher than the set value, the cooling water pipe 9 is connected to the external cold source, and under the action of the first driving mechanism, the airflow passes sequentially through the second channel 20 at the lower end of the baffle 19 and the second channel 20 at the upper end of the side wall of the second cavity 7 away from the baffle 19, allowing cold air to enter the cabin 1 from the top and cool down the cabin 1. This allows hot air and cold air to enter the cabin 1 from the bottom and top of the cabin 1 respectively, adapting to the density of hot air and cold air, which is conducive to smoother airflow inside the cabin 1 and rapid adjustment of the temperature inside the cabin 1.

[0033] Humidification pipes 28 are provided at both the upper and lower ends of the third cavity 8. Spray nozzles 29 are provided on the humidification pipes 28. As the airflow passes through the second channel 20 at the lower end of the baffle 19 and the second channel 20 at the upper end of the side wall of the second cavity 7 away from the baffle 19, or through the second channel 20 at the upper end of the baffle 19 and the second channel 20 at the lower end of the side wall of the second cavity 7 away from the baffle 19, the flow distance of the gas in the second cavity 7 is extended, and the flow distance of the gas on the side wall of the chamber 1 is extended, thereby extending the contact time between the air and the spray, resulting in better humidification effect and promoting uniform humidity of the air entering the chamber 1.

[0034] Specifically, the first drive mechanism includes a first rack 16, with the upper ends of two first insert plates 17 extending into the first cavity 6 and fixedly connected to the first rack 16. A first gear 15 is simultaneously meshed between the two first racks 16, and the first gear 15 is driven to rotate by a first motor 13. A first rotating rod 14 is fixedly connected to the output end of the first motor 13. The end of the first rotating rod 14 away from the first motor 13 passes through the side wall of the cabin 1 and extends into the transmission frame 31, where a second gear 32 is installed. The second gear 32 meshes with a second rack 33, which slides in cooperation with a groove 35 formed on the inner wall of the transmission frame 31. The groove 35 is preferably a T-shaped groove. The lower end of the second rack 33 is meshed with a third gear 34. A rotating tube 21 is provided in the middle of the second cavity 7. The two ends of the rotating tube 21 are rotatably connected to the side wall of the chamber 1. Several fan blades 22 are rotatably connected to the rotating tube 21 at intervals. The fan blades 22 are driven to rotate by a second drive mechanism. The third gear 34 is installed on the outer surface of the rotating tube 21. When the first motor 13 drives the two first insert plates 17 to move in opposite directions, the orientation of the fan blades 22 on the rotating tube 21 is adjusted simultaneously, so that the airflow direction driven by the fan blades 22 is adapted to the flow direction of hot air or cold air respectively. The fan blades 22 provide power for the airflow to accelerate the airflow speed. At the same time, the spray is dispersed under the action of the rotating fan blades 22, which is conducive to the full mixing of air and spray, and further improves the humidification effect.

[0035] It should be noted that, since fan blades 22 are installed in the second cavity 7 to provide power for airflow, in order to further extend the flow distance of the gas on the side wall of the chamber 1 and extend the contact time between the gas and the spray to improve the humidification effect, multiple second cavities 7 can be arranged at intervals on the side wall of the chamber 1. The second cavities 7 are separated from each other by baffles 19. The baffles 19 have second through slots 20 at both the upper and lower ends so that the airflow continuously circulates on the side wall of the chamber 1. At this time, as long as the hot air and cold air enter the interior of the chamber 1 from the bottom and the top of the chamber 1 respectively, the electric heating tube 10 is not limited to being installed at the upper end of the second cavity 7, and the cooling water pipe 9 is not limited to being installed at the lower end of the second cavity 7; for example, the electric heating tube 10 is installed at the lower end of the second cavity 7, and the cooling water pipe 9 is installed at the upper end of the second cavity 7.

[0036] The second drive mechanism includes a second motor 23, which is disposed inside the rotating tube 21. The output end of the second motor 23 is fixedly connected to a second rotating rod 24. A plurality of driving bevel gears 25 are spaced apart on the second rotating rod 24. Each driving bevel gear 25 meshes with a driven bevel gear 26. The fan blades 22 are mounted on the gear shaft of the driven bevel gears 26. The second motor 23 drives the second rotating rod 24 to rotate, which in turn drives the multiple driven bevel gears 26 to rotate, thereby driving the multiple fan blades 22 to rotate.

[0037] Furthermore, the rotating tube 21 has several first air outlets 27 spaced apart on its side wall. One end of the rotating tube 21, away from the transmission frame 31, passes through the side wall of the chamber 1 and is connected to an external anesthetic gas source via a rotary joint 30. By providing the rotating tube 21, it is convenient to mix anesthetic gas into the gas entering the chamber 1 to anesthetize the animals inside, keeping them in an anesthetized state and preventing them from waking up during the scanning imaging process. The anesthetic gas can be a mixture of isoflurane, oxygen, and nitrogen. Therefore, this invention allows for flexible selection of whether to inject anesthetic gas into the chamber 1, thereby enabling the acquisition of scanning images of the experimental animals in both anesthetized and conscious states. The first air outlet 27 on the rotating tube 21 is evenly distributed, which is conducive to the uniform mixing of anesthetic gas and air. Since the first air outlet 27 is set on the rotating tube 21, it can be consistent with the air flow direction in the second cavity 7, which is conducive to the anesthetic gas and air entering the chamber 1 after mixing. Moreover, the rotating tube 21 is arranged in the second cavity 7, which also prolongs the contact time between air and anesthetic gas, which is conducive to the uniform mixing of air and anesthetic gas entering the chamber 1.

[0038] Correspondingly, a fourth cavity 36 and a fifth cavity 44 are provided on the side wall of the cabin 1 located on one side of the air outlet channel 42. The fifth cavity 44 is located above the fourth cavity 36 and is separated from it by a partition. The fourth cavity 36 is connected to the air outlet channel 42. A second insert plate 39 is inserted into the side wall of the fourth cavity 36. The second insert plate 39 has a third through groove 40 at its upper and lower ends. The fourth cavity 36 has a fourth through groove 41 at its upper and lower ends corresponding to the third through groove 40. The second insert plate 39 can move up and down under the action of the third drive mechanism, so that the third through groove 40 at the upper end of the second insert plate 39 coincides with the fourth through groove 41 at the upper end of the fourth cavity 36, or the third through groove 40 at the lower end of the second insert plate 39 coincides with the fourth through groove 41 at the lower end of the fourth cavity 36. This allows hot air to be discharged from the upper part of the cabin 1 or cold air to be discharged from the lower part of the cabin 1, which further facilitates smoother airflow inside the cabin 1 and quickly regulates the temperature inside the cabin 1.

[0039] Specifically, the third drive mechanism includes a third rack 38, the upper end of the second insert plate 39 extends into the fifth cavity 44 and is connected to the third rack 38, the third rack 38 is meshed with a fourth gear 37, the fourth gear 37 is driven to rotate by a third motor, which is not shown in the figure.

[0040] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0041] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0042] Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. The reference to "embodiment" herein means that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily indicate the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0043] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A temperature, humidity, and air-controlled imaging chamber for animal imaging, characterized in that: Includes a cabin (1), the upper end of which is detachably connected to a cover (2). A temperature and humidity sensor (3) is installed on the side wall of the cabin (1). An air intake channel (12) and an air outlet channel (42) are respectively connected to the two side walls of the cabin (1). At least a second cavity (7) and a third cavity (8) are provided on the side wall of the air intake channel (12). The air intake channel (12) is connected to the third cavity (8) and the second cavity (7) in sequence. A baffle (19) is provided between the third cavity (8) and the second cavity (7). A first insert plate (17) is inserted on the side wall of the baffle (19) and the side wall of the second cavity (7) away from the baffle (19). A first through slot (18) is provided at the upper and lower ends of the first insert plate (17). The baffle (19) and the second cavity (7) are connected to the third cavity (8) and the second cavity (7) in sequence. The second cavity (8) has a second through groove (20) at both the upper and lower ends of the side wall away from the baffle (19), which corresponds to the first through groove (18). The two first insert plates (17) move in opposite directions under the drive of the first driving mechanism, so that the airflow passes through the second through groove (20) at the lower end of the baffle (19) and the second through groove (20) at the upper end of the side wall away from the baffle (19) of the second cavity (7) or through the second through groove (20) at the upper end of the baffle (19) and the second through groove (20) at the lower end of the side wall away from the baffle (19) of the second cavity (7). The upper and lower ends of the third cavity (8) are provided with humidifying pipes (28), and the humidifying pipes (28) are provided with spray nozzles (29). The second cavity (7) is provided with an electric heating pipe (10) and a cooling water pipe (9).

2. The temperature and humidity tri-control image cabin for animal imaging according to claim 1, characterized in that: A first cavity (6) is also provided on the side wall of the air intake channel (12) and is separated from the second cavity (7) and the third cavity (8). The first drive mechanism includes a first rack (16). The upper ends of two first insert plates (17) extend into the first cavity (6) and are fixedly connected to the first rack (16). The two first racks (16) are simultaneously meshed with a first gear (15). The first gear (15) is driven to rotate by the first motor (13).

3. The temperature and humidity tri-control image cabin for animal imaging according to claim 2, characterized in that: The output end of the first motor (13) is fixedly connected to a first rotating rod (14). The end of the first rotating rod (14) away from the first motor (13) passes through the side wall of the cabin (1) and extends into the transmission frame (31) where a second gear (32) is installed. The second gear (32) is meshed with a second rack (33). The second rack (33) slides with a groove (35) on the transmission frame (31). The lower end of the second rack (33) is meshed with a third gear (34). A rotating tube (21) is provided in the middle of the second cavity (7). The two ends of the rotating tube (21) are rotatably connected to the side wall of the cabin (1). Several fan blades (22) are rotatably connected to the rotating tube (21) at intervals. The fan blades (22) are driven to rotate by a second driving mechanism. The third gear (34) is installed on the outer surface of the rotating tube (21).

4. The temperature and humidity tri-control image cabin for animal imaging according to claim 3, characterized in that: The second drive mechanism includes a second motor (23), which is located inside the rotating tube (21). The output end of the second motor (23) is fixedly connected to a second rotating rod (24). Several active bevel gears (25) are spaced apart on the second rotating rod (24). The active bevel gears (25) are meshed with driven bevel gears (26). The fan blade (22) is mounted on the gear shaft of the driven bevel gear (26).

5. The temperature and humidity tri-control image cabin for animal imaging according to claim 3, characterized in that: The rotating tube (21) has several first air outlets (27) spaced apart on its side wall. The end of the rotating tube (21) away from the transmission frame (31) passes through the side wall of the cabin (1) and is connected to an external anesthetic gas source through a rotary joint (30).

6. The temperature and humidity tri-control image cabin for animal imaging according to claim 1, characterized in that: A distributor (11) is provided in the middle of the third cavity (8). The distributor (11) is connected to the air inlet channel (12). The top and bottom walls of the distributor (11) are provided with a number of second air outlets (45) at intervals.

7. The temperature and humidity tri-control image cabin for animal imaging according to claim 1, characterized in that: A fourth cavity (36) is provided on the side wall of the cabin (1) located on one side of the air outlet channel (42). A second insert plate (39) is inserted on the side wall of the fourth cavity (36). A third through groove (40) is provided at the upper and lower ends of the second insert plate (39). A fourth through groove (41) corresponding to the third through groove (40) is provided at the upper and lower ends of the side wall of the fourth cavity (36). The second insert plate (39) can move up and down under the action of the third drive mechanism so that the third through groove (40) at the upper end of the second insert plate (39) coincides with the fourth through groove (41) at the upper end of the fourth cavity (36) or the third through groove (40) at the lower end of the second insert plate (39) coincides with the fourth through groove (41) at the lower end of the fourth cavity (36).

8. The temperature and humidity tri-control image cabin for animal imaging according to claim 7, characterized in that: A fifth cavity (44) is provided on the side wall of the cabin (1) located on one side of the air outlet channel (42), which is separated from the fourth cavity (36). The third drive mechanism includes a third rack (38). The upper end of the second insert plate (39) extends into the fifth cavity (44) and is connected to the third rack (38). The third rack (38) is meshed with a fourth gear (37), which is driven to rotate by a third motor.

9. The temperature and humidity tri-control image cabin for animal imaging of claim 1, wherein: The electric heating tube (10) and the cooling water tube (9) are both made of several U-shaped tubes spliced ​​together.

10. The temperature, humidity, and air-controlled imaging chamber for animal imaging according to claim 1, characterized in that: The hatch cover (2) covers the cabin body (1), and a rubber pad (43) is provided at the contact point between the hatch cover (2) and the cabin body (1). Rotating blocks (4) are rotatably connected to the side walls on both sides of the hatch cover (2), and fixed blocks (5) are provided at the upper ends of the side walls on both sides of the cabin body (1). The bottom end of the rotating block (4) hooks the fixed block (5).