A biological laboratory ventilation device

CN224434642UActive Publication Date: 2026-06-30QINHUANGDAO BEIDAIHE DISTRICT TAISHENG KANGYUAN CELL TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINHUANGDAO BEIDAIHE DISTRICT TAISHENG KANGYUAN CELL TECHNOLOGY CO LTD
Filing Date
2025-07-07
Publication Date
2026-06-30

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Abstract

This utility model relates to the field of ventilation technology in biological laboratories, and discloses a ventilation device for biological laboratories, including a main body. A connecting seat is fixedly connected to the outer surface of the main body, a reversing ventilation component is arranged inside the main body, a gas detection sensor is fixedly connected to the front of the main body, a ventilation mesh is fixedly snapped to the front of the main body, and a duct is fixedly connected to the back of the main body. A cleaning and protection component is provided at the end of the duct; the cleaning and protection component includes a connecting frame. In this utility model, the connecting frame and the duct are connected and assembled using connecting bolts through the cleaning and protection component. A protective cover with a rain shelter is installed at the air outlet of the main body and the outdoor duct, effectively waterproofing and rainproofing. An electrically controlled slide carriage drives an electric cleaning brush roller to move along a slide rail, which can clean the air outlet of the duct to remove dust, prevent dust adhesion, and improve ventilation performance.
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Description

Technical Field

[0001] This utility model relates to the field of ventilation technology in biological laboratories, and in particular to a ventilation device for biological laboratories. Background Technology

[0002] A biological laboratory is a place specifically used for biological research and experiments. Various chemical reactions and experimental operations in the laboratory are often accompanied by the generation and changes of gases. If these gases are not removed in time, they may react with the experimental substances, thus requiring the use of biological laboratory ventilation equipment.

[0003] Biological laboratory ventilation equipment enables ventilation in biological laboratories, which is of great significance for ensuring the accuracy of experimental results, protecting the health of researchers, improving work efficiency and laboratory utilization, and maintaining laboratory air quality.

[0004] Existing biological laboratory ventilation equipment, while achieving ventilation in biological laboratories, has outdoor ducts and vents that are exposed to the external environment, making them prone to dust accumulation and rainwater contamination, thus affecting ventilation efficiency and making them inconvenient to use. Therefore, a new biological laboratory ventilation equipment is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a biological laboratory ventilation device, which aims to solve the problem that in the prior art, the air ducts and vents installed outdoors are exposed to the external environment, making them prone to dust accumulation and rainwater contamination, thus affecting ventilation efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a biological laboratory ventilation device, comprising a device body, a connecting seat fixedly connected to the outer surface of the device body, a reversing ventilation component disposed inside the device body, a gas detection sensor fixedly connected to the front of the device body, a ventilation net fixedly snapped onto the front of the device body, and a duct fixedly connected to the back of the device body, with a cleaning and protection component disposed at the end of the duct.

[0007] The cleaning and protection assembly includes a connecting frame, the inner wall of which is sleeved and connected to the outer wall of the end of the air duct. A protective cover is fixedly connected to the back of the connecting frame. A rain shelter is fixedly connected to the upper edge of the back of the protective cover. A fixing seat is fixedly connected to the surface of the protective cover. A slide rail is fixedly snapped into the inner wall of the protective cover. An electrically controlled slide is slidably connected to the inner wall of the slide rail. An electric cleaning brush roller is fixedly connected to the inner side of the electrically controlled slide.

[0008] As a further description of the above technical solution:

[0009] There are two reversing ventilation assemblies, which are mirror images of each other along the central axis of the main body of the equipment.

[0010] As a further description of the above technical solution:

[0011] The reversing ventilation assembly includes a steering motor. The top end of the steering motor is fixedly connected to the upper edge of the inner wall of the equipment body. The output end of the steering motor is fixedly connected to a first connecting shaft. The bottom end of the first connecting shaft is fixedly connected to a fan. The lower surface of the fan is fixedly connected to a second connecting shaft. The bottom end of the second connecting shaft is rotatably connected to a bearing seat. The bottom end of the bearing seat is fixedly connected to the lower edge of the inner wall of the equipment body.

[0012] As a further description of the above technical solution:

[0013] The connecting frame is threadedly connected to the surface of the air duct by connecting bolts.

[0014] As a further description of the above technical solution:

[0015] The back of the fixed base is threadedly connected to an adjustable support frame, which consists of an adjusting screw and a mounting base.

[0016] As a further description of the above technical solution:

[0017] There are two ventilation nets, which are mirror images of each other along the central axis of the equipment body.

[0018] As a further description of the above technical solution:

[0019] There are two air ducts, which are mirror images of each other along the central axis of the main body of the equipment.

[0020] As a further description of the above technical solution:

[0021] The surface of the connector is provided with multiple through holes for fixing and installation, which are evenly distributed.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the connecting frame and the air duct are connected and assembled by the cleaning and protection components using connecting bolts. The protective cover with a rain shelter is installed at the air outlet of the equipment body and the outdoor air duct, which effectively prevents water and rain. The electric control slide drives the electric cleaning brush roller to move along the slide rail, which can remove dust and clean the air outlet of the air duct, avoid dust adhesion, and improve the ventilation performance.

[0024] 2. In this utility model, the reversing ventilation component is driven by a reversing motor to adjust the two fans to an indoor-outdoor air exchange mode or a dual-channel high-efficiency air intake and exhaust mode, thereby improving the ventilation efficiency and safety of the biological laboratory environment. Attached Figure Description

[0025] Figure 1 This is a front-view perspective three-dimensional schematic diagram of a biological laboratory ventilation device proposed in this utility model;

[0026] Figure 2 This is a rear-view three-dimensional schematic diagram of a biological laboratory ventilation device proposed in this utility model.

[0027] Figure 3 This is a schematic diagram of the internal structure of the main body of a ventilation device for a biological laboratory proposed in this utility model.

[0028] Figure 4 This is a schematic diagram showing the disassembled structure of the main body and cleaning and protection components of a biological laboratory ventilation device proposed in this utility model.

[0029] Legend:

[0030] 1. Main body of the equipment; 2. Gas detection sensor; 3. Ventilation net; 4. Air duct; 5. Connecting seat; 6. Reversing ventilation assembly; 61. Steering motor; 62. First connecting shaft; 63. Fan; 64. Second connecting shaft; 65. Bearing seat; 7. Cleaning and protection assembly; 71. Connecting frame; 72. Protective cover; 73. Rain shelter; 74. Fixed seat; 75. Adjustable wall support frame; 76. Slide rail; 77. Electrically controlled slide; 78. Electric cleaning brush roller; 8. Connecting bolts. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 - Figure 3This utility model provides an embodiment of a biological laboratory ventilation device, comprising a main body 1. A gas detection sensor 2 for monitoring air quality in the biological laboratory is fixedly connected to the front of the main body 1. Two ventilation screens 3 are fixedly snapped onto the front of the main body 1, mirror-arranged along the central axis of the main body 1. Two air ducts 4 are fixedly connected to the back of the main body 1, mirror-arranged along the central axis of the main body 1. A wall-mounted mounting bracket 5 is fixedly connected to the outer surface of the main body 1. Two reversing ventilation components 6 are disposed inside the main body 1, mirror-arranged along the central axis of the main body 1. Each reversing ventilation component 6 includes a steering motor 61, with the top of the steering motor 61... Fixedly connected to the upper edge of the inner wall of the main body 1, the output end of the steering motor 61 is fixedly connected to the first connecting shaft 62, the bottom end of the first connecting shaft 62 is fixedly connected to the fan 63, the lower surface of the fan 63 is fixedly connected to the second connecting shaft 64, the bottom end of the second connecting shaft 64 is rotatably connected to the bearing seat 65, and the bottom end of the bearing seat 65 is fixedly connected to the lower edge of the inner wall of the main body 1. Through the gas detection sensor 2 and the reversing ventilation assembly 6, the air quality in the biological laboratory is monitored by the gas detection sensor 2 in the prior art. According to the air quality, the steering motor 61 can drive the two sets of reversing ventilation assemblies 6 to adjust the two fans 63 to indoor and outdoor ventilation mode or dual-channel high-efficiency intake and exhaust mode, thereby improving the safety of the environment in the biological laboratory.

[0033] Reference Figure 1 , Figure 2 and Figure 4 A cleaning and protection component 7 is provided at the end of the air duct 4 for cleaning and protection of the air outlet where the main body 1 connects to the outdoor air duct 4. The cleaning and protection component 7 includes a connecting frame 71, the inner wall of which is fitted and connected to the outer wall of the end of the air duct 4. A connecting bolt 8 is threaded between the connecting frame 71 and the surface of the air duct 4. A protective cover 72 is fixedly connected to the back of the connecting frame 71. A rain shelter 73 is fixedly connected to the upper edge of the back of the protective cover 72. A fixing seat 74 is fixedly connected to the surface of the protective cover 72. An adjustable support frame 75 is threadedly connected to the back of the fixing seat 74. The adjustable support frame 75 consists of an adjusting screw and a mounting base, used to strengthen the fixing and protection. The protective cover 72 is installed on the outdoor wall. The inner wall of the protective cover 72 is fixedly connected to the slide rail 76. The inner wall of the slide rail 76 is slidably connected to the electrically controlled slide bracket 77. The inner side of the electrically controlled slide bracket 77 is fixedly connected to the electric cleaning brush roller 78. Through the cleaning and protection assembly 7, the connecting frame 71 is connected to the air duct 4 by the connecting bolts 8. The protective cover 72 with the rain cover 73 is installed at the air outlet of the equipment body 1 connected to the outdoor air duct 4. It can be effectively waterproofed and rainproof. The electric cleaning brush roller 78 is driven by the electrically controlled slide bracket 77 to adjust along the slide rail 76. It can remove dust and clean the air outlet of the air duct 4, which can prevent dust from adhering and thus improve the ventilation performance.

[0034] Working Principle: During use, expansion bolts are used to pass through the connecting seat 5 to wall-mount the main body 1 inside the biological laboratory. The air duct 4 is passed through to the outside of the biological laboratory. The connecting frame 71 is connected to the air duct 4 by the connecting bolts 8. The protective cover 72 with a rain shelter 73 is installed at the air outlet of the main body 1 connecting to the outdoor air duct 4, which can effectively prevent water and rain. Expansion bolts are used in conjunction with the adjustable wall support 75 to strengthen the installation of the protective cover 72 to the outdoor wall. The gas detection sensor 2 in the existing technology is used to monitor the air quality in the biological laboratory. According to the air quality, the steering motor 61 can be controlled to drive the two sets of reversing ventilation components 6, so that the two fans 63 are adjusted to indoor and outdoor ventilation mode or dual-channel high-efficiency intake and exhaust mode, thereby improving the safety of the environment in the biological laboratory. In the daily use and maintenance of the equipment, the electric control slide 77 can be controlled periodically to drive the electric cleaning brush roller 78 to adjust along the slide rail 76 to clean the air outlet of the air duct 4, prevent dust accumulation, and improve ventilation efficiency.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A biological laboratory ventilation device, comprising a main body (1), characterized in that: A connecting seat (5) is fixedly connected to the outer surface of the main body (1). A reversing ventilation component (6) is provided inside the main body (1). A gas detection sensor (2) is fixedly connected to the front of the main body (1). A ventilation net (3) is fixedly snapped onto the front of the main body (1). A duct (4) is fixedly connected to the back of the main body (1). A cleaning and protection component (7) is provided at the end of the duct (4). The cleaning and protection component (7) includes a connecting frame (71), the inner wall of which is sleeved and connected to the outer wall of the end of the air duct (4), a protective cover (72) is fixedly connected to the back of the connecting frame (71), a rain shelter (73) is fixedly connected to the upper edge of the back of the protective cover (72), a fixing seat (74) is fixedly connected to the surface of the protective cover (72), a slide rail (76) is fixedly snapped into the inner wall of the protective cover (72), an electrically controlled slide (77) is slidably connected to the inner wall of the slide rail (76), and an electric cleaning brush roller (78) is fixedly connected to the inner side of the electrically controlled slide (77).

2. The biological laboratory ventilation device according to claim 1, characterized in that: There are two reversing ventilation components (6), and the two reversing ventilation components (6) are mirrored along the central axis of the equipment body (1).

3. The biological laboratory ventilation device according to claim 2, characterized in that: The reversing ventilation assembly (6) includes a steering motor (61), the top of which is fixedly connected to the upper edge of the inner wall of the equipment body (1). The output end of the steering motor (61) is fixedly connected to a first connecting shaft (62), the bottom end of which is fixedly connected to a fan (63). The lower surface of the fan (63) is fixedly connected to a second connecting shaft (64), the bottom end of which is rotatably connected to a bearing seat (65). The bottom end of the bearing seat (65) is fixedly connected to the lower edge of the inner wall of the equipment body (1).

4. The biological laboratory ventilation device according to claim 1, characterized in that: The connecting frame (71) and the surface of the air duct (4) are threaded together by connecting bolts (8).

5. A biological laboratory ventilation device according to claim 1, characterized in that: The back of the fixed base (74) is threadedly connected to an adjustable wall support frame (75), and the adjustable wall support frame (75) is composed of an adjusting screw and a mounting base.

6. A biological laboratory ventilation device according to claim 1, characterized in that: There are two ventilation nets (3), and the two ventilation nets (3) are mirrored along the central axis of the equipment body (1).

7. A biological laboratory ventilation device according to claim 1, characterized in that: There are two air ducts (4), and the two air ducts (4) are mirrored along the central axis of the equipment body (1).

8. A biological laboratory ventilation device according to claim 1, characterized in that: The surface of the connector (5) is provided with multiple fixed installation through holes evenly spaced.