Modularized animal whole body exposure device

Abstract

The utility model discloses a modularized animal whole body exposure device. The modularized animal whole body exposure device comprises a frame and a plurality of cavity modules arranged in the frame, the cavity module comprises a cavity main body, a cavity base is arranged at the bottom of the cavity main body, and a cavity cover is arranged at the top of the cavity main body; a plurality of mouse cages are arranged in the cavity main body, a gas inlet mechanism is arranged on the cavity cover, an exhaust mechanism is arranged on the cavity base, the gas inlet mechanism is provided with a fresh gas pipeline, the exhaust mechanism is provided with a waste gas pipeline, and the fresh gas pipeline and the waste gas pipeline are connected through a gas inlet and outlet splitter. According to the utility model, the cavity adopts a modular design, and a plurality of modular cavities are concentrated on the frame, so that the experiment space can be saved, and the site is cleaner; and each cavity operates independently and is convenient to disassemble and clean, so that unnecessary pipeline connection can be reduced, and the use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to animal exposure experiment device technical field, especially related to a modularization animal whole body exposure device. BACKGROUND

[0002] Animal whole body exposure is a way of animal exposure experiment. It refers to the whole body of experimental animals is in the environment containing test substances (such as chemical substances, microorganisms, aerosols, etc.), so that animals contact test substances through multiple ways (including breathing, skin contact, etc.), thereby simulating the comprehensive exposure of animals to the substance in the actual environmental scene. Animal whole body exposure is widely used in the research fields of drug toxicology, environmental toxicology, public health, etc. However, the current common whole body exposure device adopts a single cavity structure, and the test substance is introduced into the device through a pipeline. However, the current whole body exposure device still has some deficiencies, such as large floor area, inability to adjust the cavity capacity according to the number of experimental animals, etc.

[0003] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the utility model and should not be regarded as an acknowledgment or any form of suggestion that this information forms prior art that is publicly known. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a modularization animal whole body exposure device, so as to overcome the defects in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a modularization animal whole body exposure device, which comprises a frame and a plurality of cavity modules arranged in the frame. The cavity module comprises a cavity body, the bottom of the cavity body is provided with a cavity base, and the top of the cavity body is provided with a cavity cover. A plurality of mouse cages are arranged in the cavity body. An air inlet mechanism is arranged on the cavity cover. An air exhaust mechanism is arranged on the cavity base. The air inlet mechanism is provided with a fresh gas pipeline. The air exhaust mechanism is provided with an exhaust pipeline. The fresh gas pipeline and the exhaust pipeline are connected through an air inlet and outlet branch device.

[0006] Further, as a preferred, the cavity cover is further provided with a sensor seat, and the sensor seat is provided with an inflation pipeline, a temperature and humidity sensor, a sampling valve and a pressure sensor.

[0007] Further, as a preferred, the air inlet mechanism comprises an air inlet tee joint, and the air inlet tee joint is provided with a total air inlet, a first air inlet pipe and a second air inlet pipe. The cavity cover is respectively provided with a first air inlet pipe joint and a second air inlet pipe joint. The cavity cover is provided with an air inlet nozzle which is connected with the first air inlet pipe joint and the second air inlet pipe joint.

[0008] Further, as preferred, the cavity body and the cavity base are fixed by cavity base buckles, and the cavity body and the cavity cover are fixed by cavity cover buckles.

[0009] Further, as preferred, a fresh gas switch valve is arranged on the fresh gas pipeline, and a waste gas switch valve is arranged on the waste gas pipeline.

[0010] Further, as preferred, the cavity base is provided with an air extraction seat, which is connected with the waste gas pipeline as an exhaust mechanism.

[0011] Further, as preferred, a plurality of control screens are arranged on the frame, and the control screens are used for data transmission.

[0012] Further, as preferred, the fresh gas pipeline and the waste gas pipeline are concentrated on the frame.

[0013] Further, as preferred, the frame is a two-layer structure, and three cavity modules are arranged on each layer.

[0014] Further, as preferred, the frame bottom is further provided with casters.

[0015] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0016] The cavity of the utility model adopts modular design, and a plurality of modular cavities are concentrated on the frame, so that experimental space can be saved, and the site is more tidy;

[0017] Each cavity of the utility model independently operates, is convenient to disassemble and clean, unnecessary pipeline connection can be reduced, and use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of a modularized animal whole body exposure device of the utility model;

[0019] Figure 2 It is a structural schematic view of another angle of a modularized animal whole body exposure device of the utility model;

[0020] Figure 3 It is an internal structural schematic view of a modularized animal whole body exposure device of the utility model;

[0021] Figure 4 It is an internal structural schematic view of another angle of a modularized animal whole body exposure device of the utility model;

[0022] Figure 5 It is an enlarged schematic view of a cavity module of the utility model;

[0023] Figure 6The utility model discloses a cavity module's plan view B-B direction's section view of the utility model discloses a cavity module's plan view;

[0024] Figure 7 The utility model discloses a cavity module's plan view B-B direction's section view of the utility model discloses a cavity module's plan view;

[0025] Figure 8 The utility model discloses a cavity module's plan view B-B direction's section view of the utility model discloses a cavity module's plan view;

[0026] Fig. 1-Frame, 11-Aluminum profile frame, 12-Side plate, 13-Top plate, 14-Panel, 15-Castor, 16-Control screen, 2-Cavity module, 21-Cavity main body, 22-Cavity base, 23-Cavity cover, 231-Sensor seat, 232-Inflation pipeline, 233-Temperature and humidity sensor, 234-Sampling valve, 235-Pressure sensor, 24-Inlet mechanism, 241-Inlet three-way, 242-Total inlet, 243-First inlet pipe, 244-Second inlet pipe, 245-First inlet pipe joint, 246-Second inlet pipe joint, 247-Inlet nozzle, 25-Exhaust mechanism, 26-Fresh gas pipeline, 27-Exhaust pipeline, 28-Inlet and outlet gas brancher, 29-Cavity base buckle, 210-Cavity cover buckle, 211-Fresh gas on-off valve, 212-Exhaust on-off valve, 3-Squirrel cage, 31-Hinge, 32-Squirrel cage buckle. DETAILED DESCRIPTION

[0027] The specific embodiments of the utility model are described in detail below, but it should be understood that the protection scope of the utility model is not limited by the specific embodiments.

[0028] The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

[0029] Example 1:

[0030] As Figures 1-8 shown, a modular animal whole-body exposure device includes a frame 1 and a plurality of cavity modules 2 arranged in the frame 1; the cavity module 2 includes a cavity main body 21, the bottom of the cavity main body 21 is provided with a cavity base 22, and the top is provided with a cavity cover 23; a plurality of squirrel cages 3 are arranged in the cavity main body 21, the cavity cover 23 is provided with an inlet mechanism 24, the cavity base 22 is provided with an exhaust mechanism 25, the inlet mechanism 24 is provided with a fresh gas pipeline 26, the exhaust mechanism 25 is provided with an exhaust pipeline 27, and the fresh gas pipeline 26 and the exhaust pipeline 27 are connected through an inlet and outlet gas brancher 28.

[0031] In the embodiment, as a specific scheme, the frame 1 comprises an aluminum profile frame 11, side plates 12, a top plate 13, a panel 14 and casters 15, wherein the side plates 12 and the top plate 13 are inlaid on the aluminum profile frame 11, and the whole is divided into two layers, and three cavity modules 2 are arranged on each layer.

[0032] In the embodiment, as a specific scheme, the cavity cover 23 is further provided with a sensor seat 231, and the sensor seat 231 is provided with an aeration pipeline 232, a temperature and humidity sensor 233, a sampling valve 234 and a pressure sensor 235.

[0033] In the embodiment, as a specific scheme, the air inlet mechanism 24 comprises an air inlet tee 241 provided with a total air inlet 242, a first air inlet pipe 243 and a second air inlet pipe 244, the cavity cover 23 is respectively provided with a first air inlet pipe joint 245 and a second air inlet pipe joint 246, and the cavity cover 23 is provided with an air inlet nozzle 247 connected with the first air inlet pipe joint 245 and the second air inlet pipe joint 246.

[0034] In the embodiment, as a specific scheme, six mouse cages 3 are arranged in each cavity body 21, and are divided into two rows, and two groups of air inlet nozzles 247 are respectively located above the two rows of mouse cages 3, one side of the cover of the mouse cage 3 is a hinge 31, and the other side is a mouse cage buckle 32, the mouse cage buckle 32 is released when the cover is opened, and the cover can be opened by the hinge 31 as the shaft.

[0035] In the embodiment, as a specific scheme, each group of air inlet nozzles 247 has 8 nozzles, and two groups of nozzles have 16 nozzles, which can uniformly send fresh gas into the cavity body 21.

[0036] In the embodiment, as a specific scheme, the cavity body 21 and the cavity base 22 are fixed by a cavity base buckle 29, and the cavity body 21 and the cavity cover 23 are fixed by a cavity cover buckle 210; the cavity base 22 and the cavity cover 23 are fixed by buckles, which is more convenient for disassembly, cleaning and other operations of the cavity body 21.

[0037] In the embodiment, as a specific scheme, the fresh gas pipeline 26 is provided with a fresh gas on-off valve 211, and the waste gas pipeline 27 is provided with a waste gas on-off valve 212; the fresh gas enters the pipeline through the fresh gas on-off valve 211, and the waste gas is discharged through the waste gas on-off valve 212; more specifically, the waste gas on-off valve 212 can be concentrated on the panel 14.

[0038] In the embodiment, as a specific scheme, the cavity base 22 is provided with an air extraction seat, and the air extraction seat is connected with the waste gas pipeline as the exhaust mechanism 25.

[0039] In the embodiment, as a specific scheme, the frame 1 is further provided with a plurality of control screens 16 for data transmission; more specifically, the control screens 16 are arranged on the panel 14, and each control screen 16 corresponds to a cavity module 2 and is used for data transmission of the temperature and humidity sensor 233 and the pressure sensor 235.

[0040] In the embodiment, as a specific scheme, the fresh gas pipeline 26 and the exhaust gas pipeline 27 are concentrated on the frame 1 to form a neat and orderly pipeline arrangement.

[0041] The working principle of the utility model is as follows:

[0042] The experimental mouse is placed into the mouse cage 3, the mouse cage 3 is locked by the mouse cage buckle 32, the cavity cover 23 is locked by the cavity cover buckle 210, the cavity base 22 is locked by the cavity base buckle 29, the fresh gas on-off valve 211 is opened, the fresh gas enters into the cavity main body 21 through the gas inlet tee 241 and the gas inlet nozzle 247, so that the whole body of the experimental mouse is on the inner surface of the experimental gas, and the whole body is in an exposed state, during the experiment, the temperature and humidity sensor 233 and the pressure sensor 235 transmit data to the control screen 16 in real time, the exhaust gas on-off valve 212 is opened, the exhaust gas is discharged from the side of the gas inlet and outlet branch device 28 after passing through the exhaust gas pipeline 27, and a filtering device can be installed at the discharge position to filter and then discharge. The flow of the gas inlet and outlet can be controlled by the control screen 16.

[0043] The utility model has the following advantages:

[0044] 1. The cavity adopts modular design, and a plurality of modular cavities are concentrated on the frame, so that experimental space can be saved, and the site is more tidy;

[0045] 2. Each cavity operates independently, is convenient to disassemble and clean, unnecessary pipeline connection can be reduced, and use is more convenient;

[0046] 3. The gas inlet mechanism is concentrated on the cavity cover, and the gas exhaust mechanism is concentrated on the cavity base, so that the internal experimental space of the cavity main body is not affected;

[0047] 4. The fresh gas is divided into two ways through the gas inlet tee and sprayed into the cavity main body through two groups of gas inlet nozzles, so that the gas is more evenly distributed in the cavity main body, and exposure experiment is more helpful.

[0048] The foregoing description of specific exemplary embodiments of the present application is intended to be illustrative only and is not intended to limit the application to the precise forms disclosed. Many modifications and variations are possible in light of the above teachings without departing from the spirit or essential characteristics of the application. The exemplary embodiments were chosen and described in order to explain the principles of the application and its practical application and to allow others skilled in the art to understand the application for various exemplary embodiments with various modifications being applicable. The scope of the application is intended to be defined by the claims and their equivalents.

Claims

1. A modular whole-body animal exposure device, characterized by: The application relates to a frame and a plurality of cavity modules arranged in the frame; the cavity module comprises a cavity body, the bottom of the cavity body is provided with a cavity base, and the top of the cavity body is provided with a cavity cover; a plurality of mouse cages are arranged in the cavity body; an air inlet mechanism is arranged on the cavity cover; an air outlet mechanism is arranged on the cavity base; the air inlet mechanism is provided with a fresh gas pipeline; the air outlet mechanism is provided with a waste gas pipeline; the fresh gas pipeline and the waste gas pipeline are connected through an air inlet and outlet branch device.

2. The modular whole-body animal exposure device of claim 1, wherein: A sensor seat is further arranged on the cavity cover; the sensor seat is provided with an inflation pipeline, a temperature and humidity sensor, a sampling valve and a pressure sensor.

3. The modular whole body exposure apparatus of claim 1, wherein: The air inlet mechanism comprises an air inlet tee joint, the air inlet tee joint is provided with a total air inlet, a first air inlet pipe and a second air inlet pipe, first air inlet pipe joints and second air inlet pipe joints are respectively arranged on the cavity cover, and air inlet nozzles which are respectively connected with the first air inlet pipe joints and the second air inlet pipe joints are arranged in the cavity cover.

4. The modular whole body exposure apparatus of claim 1, wherein: The cavity body and the cavity base are fixed through cavity base buckles, and the cavity body and the cavity cover are fixed through cavity cover buckles.

5. The modular whole body exposure apparatus of claim 1, wherein: A fresh gas switch valve is arranged on the fresh gas pipeline, and a waste gas switch valve is arranged on the waste gas pipeline.

6. The modular whole body exposure apparatus of claim 1, wherein: The cavity base is provided with an air extraction seat, the air extraction seat is connected with the waste gas pipeline as the air outlet mechanism.

7. The modular whole body exposure apparatus of claim 2, wherein: A plurality of control screens are further arranged on the frame, and the control screens are used for data transmission.

8. The modular whole body exposure apparatus of claim 1, wherein: The fresh gas pipeline and the waste gas pipeline are concentrated on the frame.

9. A modular whole body exposure apparatus according to any one of claims 1 to 8, wherein: The frame is a two-layer structure, and three cavity modules are arranged on each layer.

10. A modular whole body exposure apparatus according to any one of claims 1 to 8, wherein: Wheels are further arranged on the bottom of the frame.

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