Circulating air purification experiment rearing cage
By setting up staggered air ducts and air inlets inside the experimental breeding cages, and controlling the alternating operation of fans via a control panel, the problem of animal anxiety caused by concentrated airflow was solved, achieving efficient air circulation and purification, improving animal comfort and the level of automation in the cages.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUNNAN ENDEMIC DISEASE PREVENTION & CONTROL INST
- Filing Date
- 2025-06-05
- Publication Date
- 2026-04-10
AI Technical Summary
In existing experimental breeding cages, airflow is concentrated on both sides during air circulation, which can easily cause animals to become restless, and the ventilation efficiency is not ideal.
An air outlet and exhaust fan are installed below the ventilation panel inside the cage. The bottom is used for air extraction and exhaust. The air inlet is connected to the wall pipe to ensure that fresh air enters evenly from the side. The air inlet and outlet positions are staggered. The alternating operation of the fans is controlled by the control panel to achieve uniform air circulation and purification.
It improves air circulation efficiency, avoids the discomfort caused by negative pressure to animals, ensures animal comfort, and at the same time improves air purification effect and automation level.
Smart Images

Figure CN224098456U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to experimental cage technical field, concretely is a kind of circulating air purification experimental feeding cage. BACKGROUND
[0002] With the development of modern biomedical research, the types of animal experiments are more and more, and animal experiments have always been considered as an extremely important link of biomedical science experiments; The requirements and protection of experimental animals, especially pigs, sheep, dogs and other animals, are also paid more and more attention by scientific researchers, therefore, in the process of experiment and feeding of pigs, sheep, dogs and other animals, how to provide comfortable and sanitary environment and meet the feeding conditions required by various experiments is particularly important in animal experiments, and experimental animals in animal laboratory need to be bred, therefore, experimental feeding cage is one of the indispensable equipment in animal laboratory.
[0003] The existing experimental animal feeding cage disclosed in CN201878603U is composed of a box body and a cover body, the cover body is arranged on the box body, the rear end of the cover body has an arc-shaped part, and the cover body further includes: an air inlet arranged at the front end of the cover body and deviated to one side, embedded with an air inlet valve; an air outlet arranged at the front end of the cover body and deviated to the side away from the air inlet, embedded with an air outlet valve; and a partition plate arranged in the cover body opposite to the air inlet and the arc-shaped part, defining a drainage channel with the cover body, wherein fresh air enters from the air inlet valve, passes through the drainage channel to the arc-shaped part, and then the fresh air is introduced into the box body downward through the arc-shaped part, and the foul air originally in the box body is pushed out from the air outlet valve, so as to circulate the air in the box body.
[0004] In the current experimental animal feeding environment, the design of the feeding cage usually needs to consider the replacement and circulation of air, however, in the design of the existing experimental feeding cage, the air inlet and the air outlet are arranged on both sides of the feeding cage, and when the air exhaust operation is performed, the air is extracted outward, and the air exhaust process is in a negative pressure state, on the one hand, the air flow in the feeding cage is mainly concentrated on both sides, and this air flow mode will affect the animals in the cage, so that the animals may feel uneasy or frightened when they feel the impact of the air flow on both sides, which not only affects the normal living habits of the animals, but also may adversely affect the experimental results, on the other hand, when the air is extracted outward, it is in a negative pressure state, which is more likely to cause discomfort to the animals compared with the state of fresh air, in the above-mentioned improved experimental animal feeding cage, the feeding cage adopts a valve air exchange method when replacing air, although this method can realize the circulation of air to a certain extent, but it lacks enough initiative, so that the air exchange efficiency is not ideal.
[0005] Therefore, the person skilled in the art provides a circulating air purification experimental feeding cage to solve the problems raised in the background art. Content of the utility model
[0006] The utility model discloses a circulating air purification experimental feeding cage to solve the problems raised in the background art.
[0007] To achieve the above object, the utility model provides the following technical scheme:
[0008] A circulating air purification experimental feeding cage, comprising: a cage body, the inside of the cage body is provided with a ventilation plate, and the upper surface of the ventilation plate is provided with a mat net, the lower portion of the ventilation plate is provided with an air outlet cylinder, and the surface of the air outlet cylinder is provided with an exhaust fan, the two sides of the air outlet cylinder are provided with an air inlet cylinder, and the front end of the air inlet cylinder is fixedly provided with an air inlet fan, the surface of the air inlet cylinder is connected with a connecting pipe, and the end of the connecting pipe away from the air inlet pipe is provided with a wall pipe, the surface of the wall pipe is provided with an air outlet, one end of the air outlet cylinder is connected with a connector pipe, and one end of the connector pipe is provided with an exhaust pump.
[0009] As a further scheme of the utility model: the exhaust fan and the inside of the air outlet cylinder are in communication, and the exhaust fan is equidistantly distributed on the surface of the air outlet cylinder.
[0010] As a further scheme of the utility model: the air inlet cylinder and the inside of the wall pipe are in communication through the connecting pipe, and the number of the wall pipes is consistent with the number of the connecting pipes.
[0011] As a further scheme of the utility model: the inside of the air inlet cylinder is embedded with a porous ball, and one side of the porous ball is provided with a filter screen disc.
[0012] As a further scheme of the utility model: the air inlet of the air inlet cylinder and the exhaust fan of the air outlet cylinder are staggered in position.
[0013] As a further scheme of the utility model: the side of the cage body is provided with a control panel, and the top of the cage body is provided with a breathable port.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] The air outlet cylinder is installed below the ventilation plate inside the cage, and the inside of the air outlet cylinder is connected with the exhaust fan, and the position of the exhaust fan corresponds to the bottom of the cage, and the effective exhaust operation is carried out from the bottom of the cage through the exhaust fan, compared with the traditional valve exhaust mode, the initiative of the design is stronger, and the efficiency of air circulation in the cage is greatly improved, in addition, the exhaust from the two sides of the cage is avoided, so that the discomfort caused by the negative pressure feeling in the exhaust process is prevented, in order to further optimize the ventilation effect, the air inlet cylinder is installed on both sides of the air outlet cylinder, one end of the air inlet cylinder is provided with the air inlet fan, the air inlet fan is used to suck fresh air into the air inlet cylinder, the air inlet cylinder is connected with the wall pipe through the connecting pipe, so that the fresh air can be uniformly exhausted from the wall pipe, the wall pipe is uniformly distributed on the side of the cage, so that the exhaust is exhausted from the bottom of the cage, and the fresh air enters the cage from the side, the positive pressure feeling generated when the fresh air enters will not cause the animal to feel uneasy, the air inlet and the exhaust are staggered, so that the influence on the air circulation efficiency is avoided, and the comfort of the animal is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure diagram of a circulating air purification experimental feeding cage.
[0017] Figure 2 It is a structure diagram of a ventilation plate of a circulating air purification experimental feeding cage.
[0018] Figure 3 It is a structure diagram of an air inlet cylinder and an air outlet cylinder in a circulating air purification experimental feeding cage.
[0019] Figure 4 It is a back structure diagram of an air outlet cylinder in a circulating air purification experimental feeding cage.
[0020] Figure 5 It is a structure diagram of an air inlet cylinder in a circulating air purification experimental feeding cage.
[0021] In the figure: 1, cage; 2, air inlet pipe; 3, control panel; 4, ventilation plate; 5, pad net; 6, air inlet cylinder; 7, air outlet cylinder; 8, exhaust fan; 9, connecting pipe; 10, wall pipe; 11, air outlet; 12, interface pipe; 13, exhaust pump; 14, filter screen disc; 15, porous ball; 16, air inlet fan; 17, air vent. DETAILED DESCRIPTION
[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0023] Please refer to Figures 1-5 The embodiment of the present application provides a circulating air purification experimental feeding cage, comprising: a cage body 1, a ventilation plate 4 is installed inside the cage body 1, a mat net 5 is installed on the upper surface of the ventilation plate 4, an air outlet cylinder 7 is installed below the ventilation plate 4, an exhaust fan 8 is installed on the surface of the air outlet cylinder 7, an air inlet cylinder 6 is installed on both sides of the air outlet cylinder 7, an air inlet fan 16 is fixedly installed at the front end of the air inlet cylinder 6, a control panel 3 is installed on the side of the cage body 1, and a breathable port 17 is installed on the top of the cage body 1.
[0024] Specifically, the control panel 3 is provided, the control panel 3 combines a plc system, and the plc system controls devices such as the exhaust fan 8, the air inlet fan 16 and the exhaust pump 13 through a plc instruction, thereby improving the automation level of the experimental feeding cage. The control panel 3 realizes the alternate operation of the exhaust fan and the air inlet fan through a time sequence logic circuit and a microcontroller MCU, and the model of the microcontroller MCU is STM32F103.
[0025] The exhaust fan 8 is in communication with the inside of the air outlet cylinder 7, and the exhaust fan 8 is equidistantly distributed along the surface of the air outlet cylinder 7.
[0026] Specifically, the exhaust fan 8 is installed at the bottom position of the cage body 1, and its main function is to effectively extract air from the bottom of the cage body 1 by rotating. When the exhaust fan 8 is started, a downward air flow is created to suck air into the inside of the air outlet cylinder 7. Then, the air is guided to the rear of the cage body 1 through the air outlet cylinder 7 and finally discharged from the bottom of the cage body 1. During the process of discharging the air, the negative pressure feeling is mainly concentrated in the bottom area of the cage body 1, away from the head position of the animal. Such design consideration is to avoid the animal from feeling uncomfortable or stressed due to the negative pressure feeling. In order to further enhance the air extraction effect, the exhaust pump 13 is specially installed at the outlet end of the air outlet cylinder 7. The function of the exhaust pump 13 is to further strengthen the flow of air, so as to ensure that the air in the cage body 1 can be continuously and effectively extracted, thereby maintaining the fresh and suitable environment in the cage.
[0027] The surface of the air inlet cylinder 6 is connected with a connecting pipe 9, and the end of the connecting pipe 9 away from the air inlet pipe 2 is provided with a wall pipe 10, the surface of the wall pipe 10 is provided with an air outlet 11, one end of an interface pipe 12 connected with the air outlet cylinder 7, and one end of the interface pipe 12 is provided with an exhaust pump 13, the air inlet cylinder 6 is communicated with the inside of the wall pipe 10 through the connecting pipe 9, and the number of the wall pipe 10 is consistent with the number of the connecting pipe 9, and the inside of the air inlet cylinder 6 is embedded with a porous ball 15, and one side of the porous ball 15 is provided with a filter screen disc 14, and the air inlet of the air inlet cylinder 6 is staggered with the position of the exhaust fan 8 of the air outlet cylinder 7.
[0028] Specifically, the air inlet cylinder 6 and the air outlet cylinder 7 are designed to be placed in parallel, ensuring that the air outlet end of the air outlet cylinder 7 and the air inlet end of the air inlet cylinder 6 are staggered in space, and the purpose of this layout is to avoid the air inlet and air outlet being too close, thereby affecting the smooth exhaust of air, if the air inlet and air outlet are too close, the just exhausted air will be reabsorbed into the cage 1, which will undoubtedly reduce the quality of air circulation, by staggering the air inlet and air outlet, the efficiency of air circulation and purification is significantly improved, in addition, the inside of the air inlet cylinder 6 is specially provided with a porous ball 15, which is made of sponge material with large aperture, the use of sponge material not only helps to effectively filter the air, but also due to the large aperture and the spherical structure, the spherical structure and the large aperture cooperate with each other, and will not cause unnecessary obstruction to the flow speed of the air, in order to further improve the filtering effect, the filter screen disc 14 is also provided, which can double filter the air entering the cage 1, thereby significantly improving the air purification effect in the cage 1.
[0029] The working principle of the utility model is:
[0030] When using the utility model, first, start the exhaust fan 8 and the air inlet fan 16, the exhaust fan 8 rotates to exhaust the dirty air in the cage 1 from the bottom, and exhausts the dirty air outside the cage 1 through the air outlet cylinder 7, at the same time, the air inlet fan 16 starts to work, and the fresh air outside the cage 1 is sucked into the cage 1 through the air inlet cylinder 6 from the front side of the cage 1, the fresh air will be filtered by the porous ball 15 first during the process of passing through the air inlet cylinder 6, and then filtered by the filter screen disc 14, the double filtering design ensures that the air entering the cage 1 is clean and pollution-free, and the purified air is then evenly distributed in the cage 1 through the air outlet 11 on the wall pipe 10, providing a fresh and comfortable living environment for experimental animals, at the same time, the air vent 17 at the top of the cage 1 also plays a role in air convection, further enhancing the air circulation effect in the cage 1, and the setting of the control panel 3 facilitates the user to control the exhaust fan 8, the air inlet fan 16 and the exhaust pump 13 and other equipment, the whole circulating air purification process does not need frequent manual intervention, greatly saving the labor cost, and improving the automation level of the experimental feeding cage.
[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A circulating air clean experimental cage, characterized in that, Include: The cage (1), the inside of the cage (1) is installed with ventilation board (4), and the upper surface of ventilation board (4) is installed with mat net (5), the lower surface of ventilation board (4) is installed with air outlet cylinder (7), and the surface of air outlet cylinder (7) is installed with exhaust fan (8), both sides of air outlet cylinder (7) are installed with air inlet cylinder (6), and the front end of air inlet cylinder (6) is fixedly installed with air inlet fan (16), the surface of air inlet cylinder (6) is connected with connecting pipe (9), and the end of connecting pipe (9) away from air inlet pipe (2) is installed with wall pipe (10), the surface of wall pipe (10) is provided with air outlet (11), one end of air outlet cylinder (7) is connected with interface pipe (12), and one end of interface pipe (12) is installed with exhaust pump (13).
2. The experimental cage of claim 1, wherein, The exhaust fan (8) and the inside of the air outlet cylinder (7) are interconnected, and the exhaust fan (8) is equidistantly distributed on the surface of the air outlet cylinder (7).
3. The experimental cage of claim 1, wherein: The air inlet cylinder (6) is communicated with the inside of the wall pipe (10) through the connecting pipe (9), and the number of the wall pipes (10) is consistent with the number of the connecting pipes (9).
4. The experimental breeding cage for circulating air purification according to claim 1, characterized in that, The inside of the air inlet cylinder (6) is embedded with porous ball (15), and the one side of the porous ball (15) is installed with filter screen disc (14).
5. The circulating air clean experimental cage according to claim 1, wherein, The air inlet of the air inlet cylinder (6) and the position of the exhaust fan (8) of the air outlet cylinder (7) are staggered.
6. The circulating air clean experimental cage according to claim 1, wherein, The side of the cage (1) is installed with control panel (3), and the top of the cage (1) is installed with air vent (17).
Citation Information
Patent Citations
Experimental animal feeding cage
CN201878603U