Walk-in ventilation cabinet

Abstract

The utility model relates to the technical field of ventilation cabinets, in particular to a step-in ventilation cabinet which comprises a main body, a control assembly fixedly connected to the side face of the main body, a door body assembly arranged on the side face of the main body, and an exhaust assembly arranged on the top of the main body. The ventilation cabinet is customized and designed for large instruments, is oversized in ventilation size, can meet the placement and experiment operation of the large instruments so as to meet the exhaust requirements of the instruments, adopts a movable door, is convenient to use, consumables required by experiments and the like, is more convenient to enter and exit, is reasonable in structural design, is convenient to process, is simple and reliable, and is suitable for popularization and application. The height safety of transportation and field installation personnel is effectively ensured, the temperature of the ventilation cabinet is controlled through the temperature controller, the environment temperature can be monitored in real time in cooperation with the temperature sensor, automatic adjustment is conducted according to the set temperature range, and the temperature in the ventilation cabinet is kept at the proper temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of fume hoods, in particular to a walk-in fume hood. Background Art

[0002] During the experiment, various gases that are harmful to human safety are often produced, so a fume hood is used to directly discharge the waste gas and prevent it from spreading. A fume hood is a laboratory ventilation equipment that can completely and promptly discharge the harmful gases generated by the experiment in the cabinet from the workplace to protect the safety of the experimenters.

[0003] Authorization announcement number CN218079539U discloses a push-pull type walk-in floor-standing fume hood. This patented technology sets the cabinet door as an induction cabinet door. Since laboratory consumables are mainly chemicals and toxic and harmful chemicals, hands will inevitably come into contact with harmful objects. Through infrared sensors, it is prevented that the experimenter operates the switch of the cabinet door, causing harmful objects to remain on the switch surface, which affects the health of the experimenter. At the same time, it enhances the service life of the fume hood and reduces the cost of use. The fume hood can improve the ventilation performance of the top of the cabinet, which is conducive to the placement of items and the setting of air purification. The activated carbon layer has the characteristics of many pores and has a certain adsorption effect on the free harmful gases in the fume hood; however, the height of the window opened by the fume hood in this scheme is limited, and it cannot accommodate and place relatively tall laboratory equipment. In addition, the fume hood adopts a fixed window, and the two slides are pushed and pulled left and right, which cannot meet the need to open a larger space for the instrument to enter, and they are all assembled one by one with very long parts. During transportation, the parts may be too long and difficult to transport, and it is not very convenient to assemble. Therefore, a walk-in fume hood is needed to improve the above problems. Utility Model Content

[0004] In order to solve the problem that the opening window height of the fume hood in the existing solution is limited and cannot accommodate and place relatively tall laboratory equipment, and the fume hood adopts a fixed window with two slide grooves pushed and pulled left and right, which cannot meet the need to open a larger space for instruments to enter, and they are all assembled one by one with very long parts. During transportation, the parts may be too long and difficult to transport, and it is not very convenient to assemble. The purpose of the utility model is to provide a walk-in fume hood to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A walk-in fume hood comprises a main body, a control assembly is fixedly connected to the side of the main body, a door assembly is arranged on the side of the main body, and an exhaust assembly is arranged on the top of the main body;

[0007] The main body comprises a main frame, the top of which is fixedly connected with a top plate, and three top plates are provided;

[0008] The control assembly includes a control box, the control box is equipped with operating buttons and a display, the interior of the control box is fixedly connected to a circuit board, and the side of the circuit board is fixedly connected to a temperature sensor, a temperature controller, a capacitor, a power supply, a central processing unit and a resistor;

[0009] The door assembly comprises a movable door, a slide plate is fixedly connected to the bottom of the movable door, and a slide groove is slidably connected to the bottom of the slide plate;

[0010] The exhaust assembly comprises a rectangular groove, a fan is fixedly connected inside the rectangular groove, and an exhaust port is fixedly connected to the top of the fan.

[0011] As a preferred solution of the utility model, a support rod is fixedly connected to the side of the main frame, a side panel is fixedly connected to the side of the support rod, and a plurality of support rods and side panels are provided.

[0012] As a preferred solution of the present invention, the circuit board is provided with fixing holes inside, and there are four fixing holes.

[0013] As a preferred solution of the utility model, two capacitors are provided and three resistors are provided.

[0014] As a preferred solution of the utility model, the power supply is electrically connected to the central processing unit, the central processing unit is electrically connected to the temperature sensor, the temperature sensor is electrically connected to the thermostat, the thermostat is electrically connected to the capacitor, and the capacitor is electrically connected to the resistor.

[0015] As a preferred solution of the utility model, an acrylic plate, a door handle and a grille are fixedly connected to the side of the movable door.

[0016] As a preferred solution of the utility model, three rectangular grooves are provided, and three fans and exhaust ports are provided.

[0017] As a preferred solution of the utility model, a baffle is provided on the side of the air outlet, and three baffles are provided.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. In this utility model, the design is customized for large instruments, and the ventilation size is super large, which can meet the placement of large instruments and experimental operations, thereby meeting the exhaust needs of the instruments. The fume hood door adopts a movable door, which is easy to use and makes it more convenient to enter and exit the consumables required for the experiment. The structural design is reasonable and convenient for processing, simple and reliable, and effectively ensures the high safety of transportation and on-site installation personnel.

[0020] 2. In the present invention, the temperature of the fume hood is controlled by a thermostat, and the ambient temperature can be monitored in real time in conjunction with a temperature sensor, and automatically adjusted according to a set temperature range to keep the internal temperature of the fume hood at an appropriate temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the door assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the exhaust assembly structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the control component structure of the utility model.

[0025] In the figure: 1. main body; 101. main frame; 102. top plate; 103. support rod; 104. side panel; 2. control component; 201. control box; 202. circuit board; 203. fixing hole; 204. temperature sensor; 205. thermostat; 206. capacitor; 207. power supply; 208. central processing unit; 209. resistor; 3. door body component; 301. sliding door; 302. acrylic plate; 303. door handle; 304. grille; 305. slide plate; 306. slide groove; 4. exhaust component; 401. rectangular groove; 402. fan; 403. baffle; 404. exhaust port. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] Example: See Figure 1-Figure 4 A walk-in fume hood shown includes a main body 1, a control assembly 2 is fixedly connected to the side of the main body 1, a door assembly 3 is arranged on the side of the main body 1, and an exhaust assembly 4 is arranged on the top of the main body 1;

[0028] In this embodiment, refer to Figure 2 , Figure 3 and Figure 4As shown, the main body 1 includes a main frame 101, the top of the main frame 101 is fixedly connected to a top plate 102, and the top plates 102 are provided with three. The control component 2 includes a control box 201, the control box 201 is equipped with a control button and a display, the inside of the control box 201 is fixedly connected to a circuit board 202, and the side of the circuit board 202 is fixedly connected to a temperature sensor 204, a thermostat 205, a capacitor 206, a power supply 207, a central processing unit 208 and a resistor 209, and the door body component 3 includes a movable door 301, and the bottom of the movable door 301 is fixedly connected to a slide plate 305 The bottom of the slide plate 305 is slidably connected with a slide groove 306, the exhaust component 4 includes a rectangular groove 401, the inside of the rectangular groove 401 is fixedly connected with a fan 402, and the top of the fan 402 is fixedly connected with an exhaust port 404. It is customized for large instruments and has an extra-large ventilation size to meet the placement and experimental operation of large instruments, thereby meeting the exhaust requirements of the instruments. The fume hood door adopts a movable door 301, which is easy to use and makes it more convenient to enter and exit the consumables required for the experiment. The structural design is reasonable and convenient for processing, simple and reliable, and effectively ensures the high safety of transportation and on-site installation personnel.

[0029] Among them, a support rod 103 is fixedly connected to the side of the main frame 101, and a side panel 104 is fixedly connected to the side of the support rod 103. There are several support rods 103 and side panels 104. A fixing hole 203 is opened inside the circuit board 202, and there are four fixing holes 203. Two capacitors 206 are set, and three resistors 209 are set. The power supply 207 is electrically connected to the central processing unit 208, and the central processing unit 208 is electrically connected to the temperature sensor 204. The temperature sensor 204 is electrically connected to the thermostat 205, and the thermostat 205 is electrically connected to the capacitor 206. The capacitor 206 is electrically connected to the resistor 209. The temperature of the fume hood is controlled by the thermostat 205, and the ambient temperature can be monitored in real time in conjunction with the temperature sensor 204, and it can be automatically adjusted according to the set temperature range to keep the internal temperature of the fume hood at an appropriate temperature.

[0030] In this embodiment, refer to Figure 1 , Figure 2 and Figure 3 As shown, the side of the movable door 301 is fixedly connected with an acrylic plate 302, a door handle 303 and a grille 304, three rectangular grooves 401 are opened, three fans 402 and exhaust outlets 404 are provided, and the side of the exhaust outlet 404 is provided with a baffle 403, and three baffles 403 are provided. The acrylic plate 302 has good toughness, is not easy to be damaged, and has strong repairability. The sanitary ware can be wiped clean with soft foam and toothpaste. It has a soft texture and does not feel freezing in winter. It has excellent transparency and good weather resistance.

[0031] In the present solution, a walk-in fume hood can use the door handle 303 to pull the movable door 301 when in use, so that the fixed slide plate 305 at the bottom of the movable door 301 can slide on the slide groove 306, and then the fume hood can be easily opened, and then the internal components of the control box 201 are used to control the rotation of the fan 402, so that various gases that are harmful to human safety in the fume hood are directly discharged through the exhaust port 404 to prevent their diffusion. At the same time, the temperature of the fume hood can also be controlled by the thermostat 205, and the ambient temperature can be monitored in real time in conjunction with the temperature sensor 204, and automatically adjusted according to the set temperature range to keep the internal temperature of the fume hood at an appropriate temperature.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A walk-in fume hood, comprising a main body (1), characterized in that: A control component (2) is fixedly connected to the side of the main body (1), a door component (3) is arranged on the side of the main body (1), and an exhaust component (4) is arranged on the top of the main body (1); The main body (1) comprises a main frame (101), the top of the main frame (101) is fixedly connected to a top plate (102), and three top plates (102) are provided; The control assembly (2) comprises a control box (201), the control box (201) is equipped with operating buttons and a display, a circuit board (202) is fixedly connected inside the control box (201), and a temperature sensor (204), a temperature controller (205), a capacitor (206), a power supply (207), a central processing unit (208) and a resistor (209) are fixedly connected to the side of the circuit board (202); The door body assembly (3) comprises a movable door (301), the bottom of the movable door (301) is fixedly connected to a slide plate (305), and the bottom of the slide plate (305) is slidably connected to a slide groove (306); The exhaust assembly (4) comprises a rectangular groove (401), a fan (402) is fixedly connected inside the rectangular groove (401), and an exhaust port (404) is fixedly connected to the top of the fan (402).

2. A walk-in fume hood according to claim 1, characterized in that: A support rod (103) is fixedly connected to the side of the main frame (101), and a side panel (104) is fixedly connected to the side of the support rod (103). A plurality of support rods (103) and side panels (104) are provided.

3. A walk-in fume hood according to claim 1, characterized in that: The circuit board (202) is provided with fixing holes (203) inside, and four fixing holes (203) are provided inside.

4. A walk-in fume hood according to claim 1, characterized in that: The number of the capacitors (206) is two, and the number of the resistors (209) is three.

5. A walk-in fume hood according to claim 1, characterized in that: The power supply (207) is electrically connected to the central processing unit (208), the central processing unit (208) is electrically connected to the temperature sensor (204), the temperature sensor (204) is electrically connected to the temperature controller (205), the temperature controller (205) is electrically connected to the capacitor (206), and the capacitor (206) is electrically connected to the resistor (209).

6. A walk-in fume hood according to claim 1, characterized in that: An acrylic plate (302), a door handle (303) and a grille (304) are fixedly connected to the side of the movable door (301).

7. A walk-in fume hood according to claim 1, characterized in that: The rectangular grooves (401) are provided in three numbers, and the fans (402) and the exhaust ports (404) are provided in three numbers.

8. A walk-in fume hood according to claim 1, characterized in that: A baffle (403) is provided on the side of the air outlet (404), and three baffles (403) are provided.

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