Animal negative pressure transfer device

Abstract

The utility model relates to an animal negative pressure transfer device which comprises a transfer trolley, a negative pressure box and a fan, the negative pressure box is arranged on the transfer trolley, the negative pressure box is provided with a negative pressure cavity, and a plurality of first ventilation holes communicated with the negative pressure cavity are formed in the negative pressure box; the fan and the negative pressure box are oppositely arranged, and the output end of the fan communicates with the negative pressure box through a first connecting hose. When the transfer trolley transfers experimental animals, the negative pressure box is subjected to air exhaust through the draught fan, and the negative pressure cavity is kept at the negative pressure within a certain range through cooperation of the first ventilation opening. The animals are prevented from being exposed indoors in the transfer process, and the possibility of leakage of pathogenic microorganisms is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of animal transportation, in particular to an animal negative pressure transportation device. Background Art

[0002] An animal negative pressure transporter is a specially designed device intended to safely move laboratory animals, especially potentially infectious animals, from one location to another while minimizing the risk of contamination. An animal negative pressure transporter is particularly important in laboratories with a higher biosafety level, such as biosafety level 3 or 4 laboratories.

[0003] Animal negative pressure transport devices generally have negative pressure systems, HEPA filters and good airtightness, which can ensure that pathogens carried by animals in the transport device do not leak into the air. Since experimental animals are generally kept in fixed cages, existing transport devices do not have independent negative pressure spaces and cannot be fully connected to animal cages or experimental equipment, resulting in animals being exposed to the room during the transfer process and when placing or removing the transport device, increasing the possibility of pathogenic microorganisms leaking into the air. Utility Model Content

[0004] Based on the above description, the utility model provides an animal negative pressure transfer device, which aims to solve the problem that the existing animal transfer devices easily expose animals indoors, increasing the possibility of leakage of pathogenic microorganisms.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] An animal negative pressure transport device, comprising:

[0007] Transfer vehicle;

[0008] A negative pressure box is provided on the transfer vehicle, the negative pressure box has a negative pressure cavity, and the negative pressure box is provided with a plurality of first ventilation holes communicating with the negative pressure cavity;

[0009] The fan is arranged opposite to the negative pressure box, and the input end of the fan is connected to the negative pressure box through a first connecting hose.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, a disinfection element is provided in the negative pressure chamber.

[0012] Furthermore, a sealing strip is provided between the door and the box body of the negative pressure box.

[0013] Furthermore, it comprises a drawer, and the drawer is slidably disposed in the negative pressure chamber.

[0014] Furthermore, the drawer has an air extraction cavity, and a plurality of second ventilation holes connected to the air extraction cavity are provided on the drawer. The air extraction cavity is connected to a second connecting hose, and the second connecting hose is connected to the first connecting hose.

[0015] Furthermore, a pressure sensor is provided in the drawer.

[0016] Furthermore, a temperature and humidity sensor is provided in the drawer.

[0017] Furthermore, it comprises a filter, wherein the upstream end of the filter is communicated with the first connecting hose, and the downstream end of the filter is communicated with the input end of the fan.

[0018] Furthermore, it includes a lifting device, which includes a bracket, a guide sleeve and a driving mechanism. The bracket and the driving mechanism are both arranged on the transfer vehicle. The bracket is arranged between the negative pressure box and the fan. The guide sleeves are at least one pair, and each of the guide sleeves is arranged one by one on the support rod of the bracket, and each of the guide sleeves is fixed to the negative pressure box. The driving mechanism is used to adjust the height of the negative pressure box.

[0019] Furthermore, the driving mechanism includes a motor, a transmission assembly, a screw rod and a nut seat, the motor is arranged on the transfer vehicle, the output end of the motor is connected to the transmission assembly, one end of the screw rod is connected to the transmission assembly, there is at least one nut seat, each of the nut seats is threadedly matched with the screw rod, and each of the nut seats is fixed to the negative pressure box.

[0020] Furthermore, it includes a touch screen and a controller, the controller is electrically connected to the touch screen, and the fan, the motor, the pressure sensor and the temperature and humidity sensor are electrically connected to the controller.

[0021] Furthermore, it includes a protective box, which is arranged on the transfer vehicle and covers the fan, the motor and the controller.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0023] (1) When the transport vehicle of the present application transports experimental animals, the negative pressure box is evacuated by the fan, and the negative pressure chamber is maintained at a certain negative pressure through the cooperation of the first vent. The animals are prevented from being exposed to the room during the transport process, and the possibility of leakage of pathogenic microorganisms is reduced.

[0024] (2) When the drawer of the present application is pulled out of the negative pressure chamber, air is evacuated from the drawer by a fan, and the second ventilation hole cooperates to maintain a negative pressure state within the drawer itself and its accessories, thereby ensuring that laboratory animals are always in a negative pressure environment when being placed in or taken out, achieving seamless connection between the drawer and other experimental equipment, and further reducing the possibility of leakage of pathogenic microorganisms during the transportation of experimental animals.

[0025] (3) The lifting device of the present application can match the height of the negative pressure box with that of the animal cage or experimental equipment, so as to facilitate docking of the drawer with the animal cage or experimental equipment, thereby ensuring that the experimental animals are always in a negative pressure environment when being placed in or taken out. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a general assembly diagram of an animal negative pressure transport device provided in an embodiment of the utility model;

[0027] Figure 2 It is a vertical cross-sectional view of an animal negative pressure transport device provided in an embodiment of the utility model;

[0028] Figure 3 for Figure 2 A partial enlarged view of the middle part;

[0029] Figure 4 It is a vertical cross-sectional view of the negative pressure box in the embodiment of the utility model;

[0030] Figure 5 It is a three-dimensional diagram of the negative pressure box in the embodiment of the utility model;

[0031] Figure 6 It is a structural schematic diagram of a drawer in an embodiment of the utility model.

[0032] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0033] 10. Transfer vehicle; 20. Negative pressure box; 21. Negative pressure chamber; 22. First ventilation hole; 23. Disinfection component; 24. Sealing strip; 30. Fan; 31. First connecting hose; 40. Drawer; 41. Second connecting hose; 42. Second ventilation hole; 50. Filter; 60. Lifting device; 61. Bracket; 62. Guide sleeve; 63. Driving mechanism; 631. Motor; 632. Transmission assembly; 633. Screw rod; 634. Nut seat; 70. Touch screen; 80. Controller; 90. Protective box. DETAILED DESCRIPTION

[0034] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0036] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0037] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0038] See attached Figures 1 to 6 As shown, the utility model provides a technical solution: an animal negative pressure transfer device, comprising a transfer vehicle 10, a negative pressure box 20 and a fan 30, the negative pressure box 20 is arranged on the transfer vehicle 10, the negative pressure box 20 has a negative pressure cavity 21, and the negative pressure box 20 is provided with a plurality of first ventilation holes 22 connected to the negative pressure cavity 21; the fan 30 is arranged opposite to the negative pressure box 20, and the input end of the fan 30 is connected to the negative pressure box 20 through a first connecting hose 31.

[0039] Exemplarily, the fan 30 may be a variable frequency fan 30 or the like.

[0040] According to this embodiment, when the experimental animals are transported by the transport vehicle 10, the negative pressure box 20 is evacuated by the fan 30, so that a negative pressure is formed in the negative pressure chamber 21. At the same time, air can be added to the negative pressure box 20 through the first ventilation hole 22, so that the negative pressure chamber 21 maintains a negative pressure within a certain range, and the negative pressure chamber 21 is prevented from being evacuated to a vacuum, thereby preventing harm to the experimental animals.

[0041] It should be noted that the air intake flow rate of the first ventilation hole 22 is smaller than the air exhaust flow rate of the fan 30 , so that the negative pressure chamber 21 is maintained at a certain range of negative pressure.

[0042] See attached Figure 2 As shown, in some embodiments, a disinfection element 23 is provided in the negative pressure chamber 21 .

[0043] Exemplarily, the disinfection element 23 may be an ultraviolet sterilization lamp or a hydrogen peroxide generator, etc.

[0044] According to this embodiment, after the experimental animals are transported, the inner surface of the negative pressure chamber 21 is disinfected and sterilized by the disinfection element 23 to prevent leakage of pathogenic microorganisms.

[0045] See attached Figure 2 As shown, in some embodiments, a sealing strip 24 is provided between the door and the body of the negative pressure box 20 .

[0046] According to this embodiment, the sealing strip 24 can enhance the airtightness of the negative pressure chamber 21 , thereby preventing the negative pressure chamber 21 from leaking.

[0047] See attached Figure 1 and 6 As shown, in some embodiments, a drawer 40 is included, and the drawer 40 is slidably disposed in the negative pressure chamber 21.

[0048] According to this embodiment, through such design, the drawer 40 can be seamlessly connected with the animal cage or experimental equipment, and the experimental animal can be transported in a negative pressure environment as much as possible. In addition, the disinfection unit 23 can disinfect and sterilize the drawer 40.

[0049] See attached Figure 1 and 6 As shown, in some embodiments, the drawer 40 has an air suction cavity, and a plurality of second ventilation holes 42 connected to the air suction cavity are provided on the drawer 40 . The air suction cavity is connected to a second connecting hose 41 , and the second connecting hose 41 is connected to the first connecting hose 31 .

[0050] Exemplarily, each wall panel of the drawer 40 is a special-shaped shell structure, and when each wall panel is assembled, each avoided cavity is connected to form an air extraction cavity.

[0051] According to this embodiment, after such a design, when the door of the negative pressure box 10 closes the drawer, air is pumped into the negative pressure chamber 21 through the second ventilation hole 42 to form a negative pressure environment of the negative pressure chamber 21; when the door of the negative pressure box 10 opens the drawer 40, air is pumped into the environment through the second ventilation hole 42 to form a negative pressure environment within a certain range including the drawer. In addition, the disinfection component 23 can disinfect and sterilize the second connecting hose 41.

[0052] In some embodiments, a pressure sensor (not shown) is disposed in the drawer 40 .

[0053] According to this embodiment, the pressure sensor is used to monitor the pressure of the negative pressure chamber 21 , so that the pressure of the negative pressure chamber 21 can be easily adjusted.

[0054] In some embodiments, a temperature and humidity sensor (not shown) is provided in the drawer 40 .

[0055] According to this embodiment, the temperature and humidity sensor is used to monitor the temperature and humidity of the negative pressure chamber 21, and can provide the animal with a suitable temperature and humidity environment.

[0056] See attached Figure 1 and 4 As shown, in some embodiments, a filter 50 is included, the upstream end of the filter 50 is communicated with the first connecting hose 31 , and the downstream end of the filter 50 is communicated with the input end of the fan 30 .

[0057] According to this embodiment, during the air extraction process of the fan 30, the filter 50 is used to filter the air, thereby preventing the leakage of pathogenic microorganisms.

[0058] See attached Figures 1 to 5 As shown, in some embodiments, a lifting device 60 is included, and the lifting device 60 includes a bracket 61, a guide sleeve 62 and a driving mechanism 63. The bracket 61 and the driving mechanism 63 are both arranged on the transfer vehicle 10, and the bracket 61 is arranged between the negative pressure box 20 and the fan 30. The guide sleeves 62 are at least one pair, and each guide sleeve 62 is arranged one by one on the support rod of the bracket 61, and each guide sleeve 62 is fixed to the negative pressure box 20. The driving mechanism 63 is used to adjust the height of the negative pressure box 20.

[0059] Exemplarily, the driving mechanism 63 may be an electric push rod or an electric cylinder, etc.

[0060] According to this embodiment, the driving mechanism 63 drives the negative pressure box 20 to move in the vertical direction, so that the guide sleeve 62 slides along the support rod of the bracket 61. The height of the negative pressure box 20 can be matched with that of the animal cage or experimental equipment, so that the drawer 40 can be docked with the animal cage or experimental equipment.

[0061] See attached Figures 1 to 5As shown, in some embodiments, the driving mechanism 63 includes a motor 631, a transmission assembly 632, a screw rod 633 and a nut seat 634. The motor 631 is arranged on the transfer vehicle 10, and the output end of the motor 631 is connected to the transmission assembly 632. One end of the screw rod 633 is connected to the transmission assembly 632. There is at least one nut seat 634, and each nut seat 634 is threadedly matched with the screw rod 633, and each nut seat 634 is fixed to the negative pressure box 20.

[0062] Exemplarily, the motor 631 can be a variable frequency motor 631, a reduction motor 631, a stepper motor 631 or a servo motor 631, etc. The transmission assembly 632 can be a bevel gear set or a worm gear transmission mechanism, etc.; wherein, when the transmission assembly 632 is a bevel gear set, one of the bevel gears is connected to the output end of the motor 631, and the other bevel gear is connected to one end of the lead screw 633; ​​when the transmission assembly 632 is a worm gear transmission mechanism, one end of the worm is connected to the output end of the motor 631, and the worm wheel is connected to one end of the lead screw 633.

[0063] According to this embodiment, the motor 631 drives the screw rod 633 to rotate, so that the nut seat 634 can provide kinetic energy for lifting the negative pressure box 20. In this way, the position of the negative pressure box 20 can be ensured to be more accurate, which is conducive to the docking of the drawer 40 with the animal cage or experimental equipment.

[0064] See attached Figure 5 As shown, in some embodiments, a touch screen 70 and a controller 80 are included, the controller 80 is electrically connected to the touch screen 70 , and the fan 30 , the motor 631 , the pressure sensor, and the temperature and humidity sensor are all electrically connected to the controller 80 .

[0065] For example, the controller 80 may be a single chip microcomputer or the like.

[0066] According to this embodiment, by operating on the touch display screen 70 , the touch display screen 70 sends a control instruction to the controller 80 , so that the controller 80 controls the operation of the fan 30 and / or the motor 631 .

[0067] See attached Figure 1 and 4 As shown, in some embodiments, a protective box 90 is included, and the protective box 90 is arranged on the transfer vehicle 10, and the protective box 90 covers the fan 30, the motor 631 and the controller 80.

[0068] According to this embodiment, such a design can prevent the fan 30, the motor 631 and the controller 80 from being affected by dust accumulation or moisture and the like, thereby preventing the normal operation of the fan 30, the motor 631 and the controller 80 from being affected.

[0069] Specifically, the implementation steps of the animal negative pressure transport device are as follows:

[0070] Step 1: Send a control instruction to the controller 80 via the touch screen 70, so that the controller 80 controls the operation of the fan 30. The fan 30 pumps the negative pressure chamber 21 to a certain range of negative pressure through the first connecting hose 31 and the second connecting hose 41.

[0071] Step 2: Send a control instruction to the controller 80 through the touch screen 70, so that the controller 80 controls the motor 631 to operate. The motor 631 drives the screw rod 633 to rotate, so that the nut seat 634 drives the negative pressure box 20 to move to the animal cage.

[0072] Step 3: first pull out the drawer 40 , then place the experimental animal in the drawer 40 , and finally push the drawer 40 into the negative pressure chamber 21 .

[0073] Step 4: Push the transfer vehicle 10 to the experimental equipment.

[0074] Step 5: Repeat step 2 to move the negative pressure box 20 to the experimental equipment; at the same time, first pull out the drawer 40, then place the experimental animal in the experimental equipment, then push the drawer 40 into the negative pressure chamber 21, and finally push the transfer vehicle 10 to the appropriate placement area to start the experiment.

[0075] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An animal negative pressure transport device, characterized in that: include: Transfer vehicle (10); A negative pressure box (20) is arranged on the transfer vehicle (10), the negative pressure box (20) has a negative pressure chamber (21), and the negative pressure box (20) is provided with a plurality of first ventilation holes (22) communicating with the negative pressure chamber (21); The fan (30) is arranged opposite to the negative pressure box (20), and the input end of the fan (30) is connected to the negative pressure box (20) through a first connecting hose (31).

2. The animal negative pressure transport device according to claim 1, characterized in that: A disinfection element (23) is provided in the negative pressure chamber (21).

3. The animal negative pressure transport device according to claim 1, characterized in that: A sealing strip (24) is provided between the box door and the box body of the negative pressure box (20).

4. The animal negative pressure transport device according to claim 1, characterized in that: It comprises a drawer (40), wherein the drawer (40) is slidably arranged in the negative pressure chamber (21).

5. The animal negative pressure transport device according to claim 4, characterized in that: The drawer (40) has an air extraction cavity. The drawer (40) is provided with a plurality of second ventilation holes (42) connected to the air extraction cavity. The air extraction cavity is connected to a second connecting hose (41). The second connecting hose (41) is connected to the first connecting hose (31).

6. The animal negative pressure transport device according to claim 5, characterized in that: A pressure sensor is arranged inside the drawer (40).

7. The animal negative pressure transport device according to claim 6, characterized in that: A temperature and humidity sensor is arranged in the drawer (40).

8. The animal negative pressure transport device according to claim 7, characterized in that: It comprises a filter (50), wherein the upstream end of the filter (50) is in communication with the first connecting hose (31), and the downstream end of the filter (50) is in communication with the input end of the fan (30).

9. The animal negative pressure transport device according to claim 8, characterized in that: The invention comprises a lifting device (60), wherein the lifting device (60) comprises a bracket (61), a guide sleeve (62) and a driving mechanism (63), wherein the bracket (61) and the driving mechanism (63) are both arranged on the transfer vehicle (10), wherein the bracket (61) is arranged between the negative pressure box (20) and the fan (30), wherein the guide sleeve (62) is at least one pair, wherein each guide sleeve (62) is arranged on a support rod of the bracket (61) in a one-to-one correspondence, and each guide sleeve (62) is fixed to the negative pressure box (20), and the driving mechanism (63) is used to adjust the height of the negative pressure box (20).

10. The animal negative pressure transport device according to claim 9, characterized in that: The driving mechanism (63) comprises a motor (631), a transmission assembly (632), a screw rod (633) and a nut seat (634); the motor (631) is arranged on the transfer vehicle (10); the output end of the motor (631) is connected to the transmission assembly (632); one end of the screw rod (633) is connected to the transmission assembly (632); there is at least one nut seat (634); each nut seat (634) is threadedly matched with the screw rod (633); and each nut seat (634) is fixed to the negative pressure box (20).

11. The animal negative pressure transport device according to claim 10, characterized in that: It comprises a touch screen (70) and a controller (80), wherein the controller (80) is electrically connected to the touch screen (70), and the fan (30), the motor (631), the pressure sensor and the temperature and humidity sensor are all electrically connected to the controller (80).

12. The animal negative pressure transport device according to claim 11, characterized in that: It comprises a protective box (90), wherein the protective box (90) is arranged on the transfer vehicle (10), and the protective box (90) encloses the fan (30), the motor (631) and the controller (80).

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