Veterinary laboratory ventilation device

By using a dual filtration system of HEPA filter membrane and activated carbon filter in the ventilation system of the veterinary laboratory, combined with a convenient replacement structure and timer, the problem of direct discharge of laboratory exhaust gas affecting the surrounding environment of residents has been solved, achieving efficient gas purification and filter replacement.

CN223954314UActive Publication Date: 2026-02-27JILIN KANGDA ANIMAL PHARM CO LTD
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Patent Information

Application Number
CN202520067283.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-02-27
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The existing ventilation system in veterinary laboratories is ineffective in handling toxic and harmful gases, resulting in the direct discharge of laboratory waste gas, which affects the living environment of surrounding residents.

Method used

It employs a dual filtration system using a HEPA filter membrane and an activated carbon filter screen, and the filter membrane and filter screen can be easily replaced via a sliding groove and slider structure. Combined with a timer to record usage time, it ensures filtration effectiveness.

Benefits of technology

It effectively filters laboratory exhaust gas, prevents large debris from clogging it, improves filtration efficiency, facilitates filter media replacement, and protects the living environment of surrounding residents.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223954314U_ABST
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Abstract

The veterinary laboratory ventilation device comprises a bottom plate, the outer surface of the bottom plate is fixedly connected with a machine box, the inner side wall of the machine box is fixedly connected with an air inlet box, the inner side wall of the machine box is fixedly connected with an air outlet box, and the air outlet box is fixedly connected with a fan. And the outer surface of the air inlet box and the outer surface of the air outlet box jointly and fixedly communicate with a ventilation pipeline, an exhaust fan is arranged in the ventilation pipeline, and a first supporting frame is arranged in the air inlet box. According to the device, gas is doubly filtered through the HEPA filter membrane and the activated carbon filter screen, so that the problem that the living environment of surrounding residents is severely influenced due to the fact that gas with peculiar smell cannot be treated when waste gas in a laboratory is directly discharged is effectively solved; a first sliding groove and a first sliding block are matched with a first supporting frame, and a second sliding groove and a second sliding block are matched with a second supporting frame, so that the HEPA filter membrane and the activated carbon filter screen can be replaced very conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to based on veterinary laboratory field especially a kind of laboratory ventilation device based on veterinary. BACKGROUND

[0002] Laboratory is the place where experimental personnel carry out experimental analysis and scientific research activities, various chemical reagent kits drugs will be used in the experimental analysis process, these reagents and drugs often emit toxic, harmful gas, various chemical reactions in experimental process can also produce waste gas, the source of waste gas mainly includes volatile matter of reagent and sample, intermediate product of analysis process, leakage and empty standard gas and carrier gas etc., its main component is organic waste gas (benzene series, ethanol, carbon tetrachloride, methane, diethyl ether, aldehyde etc.) and inorganic waste gas (hydrogen chloride, hydrogen bromide, chlorine, ammonia gas etc.), in recent years, the pollution of laboratory is increasingly serious, and the problem of waste gas pollution is increasingly concerned, if not handled or handled improperly, not only affect the working environment of experimental personnel and their health, also seriously affect the living environment of surrounding residents, especially veterinary laboratory is more likely to produce odor.

[0003] At present, most of the laboratory ventilation devices for veterinary are directly discharged waste gas in laboratory, cannot treat the gas with odor, which seriously affects the living environment of surrounding residents, therefore, we provide a laboratory ventilation device based on veterinary to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a laboratory ventilation device based on veterinary to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A laboratory ventilation device based on veterinary, including bottom plate, the outer surface of the bottom plate is fixedly connected with machine case, the inner side wall of the machine case is fixedly connected with air inlet box, the inner side wall of the machine case is fixedly connected with air outlet box, the outer surface of the air inlet box is fixedly connected with the outer surface of the air outlet box and is fixedly communicated with ventilation duct, the inside of the ventilation duct is equipped with exhaust fan, the inside of the air inlet box is equipped with first support frame, the inner side wall of the first support frame is fixedly connected with HEPA filter membrane, the outer surface of the air inlet box is fixedly connected with first filter screen, the inside of the air outlet box is equipped with second support frame, the inner side wall of the second support frame is fixedly connected with activated carbon filter screen, the outer surface of the air outlet box is fixedly connected with second filter screen.

[0007] In further embodiments, a plurality of nail holes are formed on the outer surface of the bottom plate, and a long nail is arranged in each of the nail holes.

[0008] In further embodiments, the outer surface of the cabinet is fixedly connected with a timer, and the outer surface of the cabinet is fixedly connected with a timing button.

[0009] In further embodiments, the outer surface of the first support frame is fixedly connected with a first handle, and the outer surface of the second support frame is fixedly connected with a second handle.

[0010] In further embodiments, the inner side wall of the air inlet box is provided with a group of first sliding grooves, the inner part of each first sliding groove is slidably connected with a first sliding block, and the side face of each first sliding block away from the first sliding groove is fixedly connected with the outer surface of the first support frame.

[0011] In further embodiments, the inner side wall of the air outlet box is provided with a group of second sliding grooves, the inner part of each second sliding groove is slidably connected with a second sliding block, and the side face of each second sliding block away from the second sliding groove is fixedly connected with the outer surface of the second support frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The first filter screen and the second filter screen are arranged, which can effectively prevent large foreign matters from entering the ventilation device, avoid the ventilation device from being blocked, and effectively solve the problem that the waste gas in the laboratory cannot be directly discharged and the gas with odor cannot be treated, which seriously affects the living environment of the surrounding residents. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view three-dimensional structure schematic diagram of the ventilation device for the laboratory for veterinary use.

[0015] Figure 2 It is a front view three-dimensional structure schematic diagram of the ventilation device for the laboratory for veterinary use.

[0016] Figure 3 It is a front view three-dimensional structure schematic diagram of the ventilation device for the laboratory for veterinary use.

[0017] Figure 4 It is a front view three-dimensional structure schematic diagram of the ventilation device for the laboratory for veterinary use. Figure 1 It is a structure schematic diagram of the enlarged A in the ventilation device for the laboratory for veterinary use.

[0018] In the figure: 1, the base plate; 2, the nail hole; 3, the long nail; 4, the machine case; 5, the second handle; 6, the first handle; 7, the first filter screen; 8, the timing button; 9, the timer; 10, the exhaust fan; 11, the ventilation duct; 12, the second filter screen; 13, the HEPA filter membrane; 14, the first support frame; 15, the first sliding block; 16, the first sliding groove; 17, the second sliding groove; 18, the second sliding block; 19, the second support frame; 20, the activated carbon filter screen; 21, the air outlet box; 22, the air inlet box. DETAILED DESCRIPTION

[0019] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0020] In the description of the present application, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model discloses a laboratory ventilation device for veterinarian, including bottom plate 1, the outer surface of bottom plate 1 is seted up with a group of nail hole 2, the inside of every nail hole 2 is equipped with long nail 3, can effectively fix equipment through the long nail 3 cooperation nail hole 2, the outer surface of bottom plate 1 is fixedly connected with machine case 4, the outer surface of machine case 4 is fixedly connected with timer 9, the outer surface of machine case 4 is fixedly connected with timing button 8, timer 9 will record the use time of HEPA filter membrane 13 and activated carbon filter screen 20, and the time that timer 9 records when HEPA filter membrane 13 and activated carbon filter screen 20 are replaced is updated through timing button 8.

[0023] The inner side wall of the machine case 4 is fixedly connected with an air inlet box 22, the inner side wall of the machine case 4 is fixedly connected with an air outlet box 21, the outer surface of the air inlet box 22 and the outer surface of the air outlet box 21 are fixedly and communicatively connected with a ventilation duct 11, the ventilation duct 11 is provided with an exhaust fan 10 in the inside thereof, the inside of the air inlet box 22 is provided with a first supporting frame 14, the outer surface of the first supporting frame 14 is fixedly connected with a first handle 6, the outer surface of a second supporting frame 19 is fixedly connected with a second handle 5, the first handle 6 and the second handle 5 can effectively improve the efficiency of replacing the HEPA filter membrane 13 and the activated carbon filter screen 20, a group of first sliding grooves 16 are formed in the inner side wall of the air inlet box 22, each first sliding groove 16 is slidably connected with a first sliding block 15 in the inside thereof, the side face of each first sliding block 15, which is away from the first sliding groove 16, is fixedly connected with the outer surface of the first supporting frame 14, the HEPA filter membrane 13 can be slid in the first sliding groove 16 by the cooperation of the first supporting frame 14 and the first sliding block 15, so that the HEPA filter membrane 13 can be taken out and replaced, and the HEPA filter membrane 13 can be conveniently replaced.

[0024] The inner side wall of the first supporting frame 14 is fixedly connected with the HEPA filter membrane 13, the outer surface of the air inlet box 22 is fixedly connected with a first filter screen 7, the inside of the air outlet box 21 is provided with the second supporting frame 19, a group of second sliding grooves 17 are formed in the inner side wall of the air outlet box 21, each second sliding groove 17 is slidably connected with a second sliding block 18 in the inside thereof, the side face of each second sliding block 18, which is away from the second sliding groove 17, is fixedly connected with the outer surface of the second supporting frame 19, the activated carbon filter screen 20 can be slid in the second sliding groove 17 by the cooperation of the second supporting frame 19 and the second sliding block 18, so that the activated carbon filter screen 20 can be taken out and replaced, and the activated carbon filter screen 20 can be conveniently replaced, the inner side wall of the second supporting frame 19 is fixedly connected with the activated carbon filter screen 20, and the outer surface of the air outlet box 21 is fixedly connected with a second filter screen 12.

[0025] The working principle of the utility model is:

[0026] In use of the device, firstly, the worker needs to place the device in proper position, then the worker needs to use the long nail 3 to cooperate with the nail hole 2 to fix the device firmly, after that, the exhaust fan 10 will keep running, the air in the laboratory will be continuously extracted, when the air enters the air inlet box 22, it will be filtered for the first time by the HEPA filter membrane 13, then it will enter the air outlet box 21 through the ventilation duct 11, when the air passes through the air outlet box 21, it will be purified for the second time by the activated carbon filter screen 20 and discharged, and the use time of the HEPA filter membrane 13 and the activated carbon filter screen 20 can be recorded through the timer 9, after the device is used for a period of time, the HEPA filter membrane 13 can be taken out and replaced by sliding in the first sliding slot 16 under the cooperation of the first support frame 14 and the first sliding block 15, the activated carbon filter screen 20 can be taken out and replaced by sliding in the second sliding slot 17 under the cooperation of the second support frame 19 and the second sliding block 18, after the HEPA filter membrane 13 and the activated carbon filter screen 20 are replaced, the timer 9 is updated by clicking the timing button 8.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A laboratory animal care system based on a ventilation device for veterinary use, characterized by: The utility model provides a kind of air purifier, including bottom plate (1), the outer surface of the bottom plate (1) is fixedly connected with machine case (4), the inner side wall of the machine case (4) is fixedly connected with air intake box (22), the inner side wall of the machine case (4) is fixedly connected with air outlet box (21), the outer surface of the air intake box (22) and the outer surface of air outlet box (21) are fixedly connected with ventilation duct (11) together, the inside of the ventilation duct (11) is equipped with exhaust fan (10), the inside of the air intake box (22) is equipped with first support frame (14), the inner side wall of the first support frame (14) is fixedly connected with HEPA filter membrane (13), the outer surface of the air intake box (22) is fixedly connected with first filter screen (7), the inside of the air outlet box (21) is equipped with second support frame (19), the inner side wall of the second support frame (19) is fixedly connected with activated carbon filter screen (20), the outer surface of the air outlet box (21) is fixedly connected with second filter screen (12).

2. A laboratory ventilation device based on veterinary use according to claim 1, characterized in that: The outer surface of the bottom plate (1) is provided with a group of nail holes (2), and the inside of each nail hole (2) is provided with a long nail (3).

3. A laboratory ventilation device for veterinary use according to claim 1, characterized in that: The outer surface of the machine case (4) is fixedly connected with a timer (9), and the outer surface of the machine case (4) is fixedly connected with a timing button (8).

4. The laboratory ventilation system for veterinary use according to claim 1, wherein: The outer surface of the first support frame (14) is fixedly connected with a first handle (6), and the outer surface of the second support frame (19) is fixedly connected with a second handle (5).

5. The laboratory ventilation system for veterinary use according to claim 1, wherein: The inner side wall of the air intake box (22) is provided with a group of first sliding grooves (16), and the inside of each first sliding groove (16) is slidingly connected with a first sliding block (15), and the outer surface of the first support frame (14) is fixedly connected with the side face of each first sliding block (15) away from the first sliding groove (16).

6. A laboratory ventilation system for veterinary use according to claim 1, characterized in that: The inner side wall of the air outlet box (21) is provided with a group of second sliding grooves (17), and the inside of each second sliding groove (17) is slidingly connected with a second sliding block (18), and the outer surface of the second support frame (19) is fixedly connected with the side face of each second sliding block (18) away from the second sliding groove (17).