Laboratory energy-saving ventilation device

Abstract

The invention belongs to ventilation devices, particularly relates to the field of laboratory ventilation devices, and discloses a laboratory energy-saving ventilation device which comprises a cabinet body, a movable rod penetrates through the outer end of an oil cylinder and is connected with a pull-out frame, and an ultraviolet lamp tube is fixed to the inner side of the pull-out frame. According to the energy-saving ventilation device for the laboratory, the fan can suck air upwards, the first filter screen can play a role in preliminary filtration, substances stored in the sterilization screen box can attack protein of cell walls of bacteria and viruses, and substances stored in the acidic chemical filter screen box can remove acidic gaseous pollutants; substances stored in the alkaline chemical filter screen box block can remove alkaline chemical gaseous pollutants, substances stored in the organic chemical filter screen box can remove organic chemical gaseous pollutants, HEPA can filter dust particles, the ultraviolet lamp tube can play a role in sterilization and disinfection, and the drawing frame can be drawn to move. And the ultraviolet lamp tube can be conveniently placed in the cabinet body or outside the cabinet body for use according to requirements.

Description

Technical Field

[0001] The present invention relates to a ventilation device, and more specifically to the field of laboratory ventilation devices, and in particular to an energy-saving laboratory ventilation device. Background Art

[0002] A laboratory is a facility dedicated to scientific research, experimentation, and testing. Laboratory experiments often involve the use of chemicals, toxic gases, or volatile organic compounds (VOCs). Therefore, laboratories are typically equipped with ventilation systems to effectively remove these gases, reducing pollution in the work environment and ensuring the health and safety of laboratory personnel.

[0003] The sterilization effect of existing ventilation devices is not sufficient, and the sterilization components are generally fixed in the cabinet, which is inconvenient to move. The sterilization range is limited, and the sterilization components are difficult to be fully utilized. In view of the above problems, the existing equipment needs to be improved. Summary of the Invention

[0004] The purpose of the present invention is to provide an energy-saving ventilation device for a laboratory to solve the problems raised in the above background technology that the sterilization effect of the existing ventilation device is not sufficient, the sterilization components are generally fixed in the cabinet, which is inconvenient to move, the sterilization range is limited, and the sterilization components are difficult to be fully utilized.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a laboratory energy-saving ventilation device, comprising a cabinet body, a self-locking roller and a first filter screen fixed to the bottom of the cabinet body, a sterilization mesh box, an acidic chemical filter mesh box, an alkaline chemical filter mesh box block, a fan, an organic chemical filter mesh box and a HEPA fixed to the inside of the cabinet body, a second filter screen fixed to the top of the cabinet body, openings are opened on all sides of the cabinet body, a sterilization mechanism passes through the opening, the sterilization mechanism comprises an oil cylinder, a first piston is slidably connected to the oil cylinder, a movable rod is fixed to the outside of the first piston, the movable rod passes through the outer end of the oil cylinder and is connected to the pull-out frame, and an ultraviolet lamp is fixed to the inside of the pull-out frame.

[0006] Preferably, the sterilization net box contains substances capable of absorbing microorganisms, bacteria and viruses.

[0007] Preferably, the acidic chemical filter box contains various special filtering materials specially formulated for acidic gaseous pollutants such as hydrogen chloride, hydrogen fluoride, nitrogen oxides, sulfuric acid mist, hydrogen sulfide, sulfur dioxide, chlorine, acetic acid, etc.

[0008] Preferably, the alkaline chemical filter mesh box block stores various special filtering substances specially formulated for alkaline chemical gaseous pollutants such as ammonia, methylamine, dimethylamine, trimethylamine, triethylamine, methylpyrrolidine, and aniline.

[0009] Preferably, the chemical filter box contains various special filter materials specially formulated to remove chemical gaseous pollutants such as toluene, xylene, benzene, formaldehyde, acetaldehyde, butyl acetate, isopropyl alcohol, methyl mercaptan, n-hexane, undecane, ether, dimethyl sulfide, styrene, and trichloroethylene.

[0010] Preferably, the ultraviolet lamps are distributed at equal intervals on the drawer frame, and a cavity is provided in the outer wall of the drawer frame. A through hole is provided on the outer wall of the drawer frame, and the through hole is connected to the cavity.

[0011] Preferably, a sleeve is fixed to the top of the drawer frame, and a compression spring is fixed to the inner bottom of the sleeve. A locking bar is fixed to the top of the compression spring, and the locking bar is slidably connected in the sleeve.

[0012] Preferably, a movable column is fixed to the bottom of the locking bar, a cylinder is fixed to the bottom of the sleeve, the movable column passes through the bottom of the sleeve and the top of the cylinder and is connected to the second piston, and the second piston is slidably connected in the cylinder.

[0013] Preferably, an airtight groove is provided on the outside of the pull-out frame, and the airtight groove is connected to the cylinder through a first connecting pipe. A rubber ring is fixed in the airtight groove, and a card slot is provided in the side wall of the cabinet, and the rubber ring is snap-connected in the card slot.

[0014] Preferably, a handle is fixed on the front side of the topmost drawer frame, and the oil cylinders on two adjacent drawer frames are connected via a second connecting pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The energy-saving ventilation device of the laboratory can achieve the purpose of energy-saving ventilation and filtration sterilization through the mutual use of the first filter, sterilization mesh box, acidic chemical filter mesh box, alkaline chemical filter mesh box block, fan, organic chemical filter mesh box, HEPA, second filter, pull-out frame and ultraviolet lamp. The fan can draw air upward, the first filter can play a role of preliminary filtration, the substances stored in the sterilization mesh box can attack the bacterial virus cell wall protein, the substances stored in the acidic chemical filter mesh box can remove acidic gaseous pollutants, the substances stored in the alkaline chemical filter mesh box block can remove alkaline chemical gaseous pollutants, the substances stored in the organic chemical filter mesh box can remove organic chemical gaseous pollutants, HEPA can filter dust particles, the second filter plays a role of isolation and blocking external impurities, there are four pull-out frames, and ultraviolet lamps are evenly spaced in each pull-out frame, which can play a role of sterilization and disinfection.

[0017] 2. The energy-saving ventilation device of the laboratory can achieve the purpose of strengthening the seal and pulling and pulling activities through the mutual use of the cabinet, pull-out frame, ultraviolet lamp, rubber ring and card slot. When the top pull-out frame is pushed into the cabinet, the other three pull-out frames automatically retract into the cabinet, the lock block can automatically pop up and limit the pull-out frame, and the rubber ring automatically expands and gets stuck in the card slot, which is convenient for strengthening the seal. Before leaving the laboratory, the staff can pull out the top pull-out frame from the cabinet, and the other three pull-out frames will automatically extend, making it convenient to expose the ultraviolet lamp outside the cabinet for use, so as to make full use of the ultraviolet lamp for sterilization and disinfection. The pull-out frame can be pulled and pulled, which is convenient for placing the ultraviolet lamp inside or outside the cabinet for use according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a 3D physical image of the pull-out frame of the present invention extending out of the cabinet body;

[0019] Figure 2 This is a front view three-dimensional structural diagram of the drawer frame of the present invention retracted into the cabinet;

[0020] Figure 3 This is a top-down perspective structural diagram of the drawer frame of the present invention extending out of the cabinet body;

[0021] Figure 4 This is a front cross-sectional structural diagram of the drawer frame of the present invention retracted into the cabinet body;

[0022] Figure 5 This is a schematic diagram of the connection structure of the sterilization mechanism, the handle and the second connecting pipe of the present invention;

[0023] Figure 6 It is a schematic diagram of the connection structure of the cabinet, opening, sterilization mechanism and second connecting pipe of the present invention;

[0024] Figure 7 It is a schematic diagram of the connection structure of the cabinet, opening, sterilization mechanism, handle and second connecting pipe of the present invention;

[0025] Figure 8 For the present invention Figure 4 Enlarged structural diagram at point A in the middle.

[0026] In the figure: 1. cabinet; 2. self-locking roller; 3. first filter; 4. sterilization screen box; 5. acidic chemical filter screen box; 6. alkaline chemical filter screen box block; 7. fan; 8. organic chemical filter screen box; 9. HEPA; 10. second filter; 11. opening; 12. sterilization mechanism; 1201. cylinder; 1202. first piston; 1203. movable rod; 1204. pull-out frame; 1205. UV lamp; 1206. cavity; 1207. through hole; 1208. sleeve; 1209. compression spring; 1210. locking strip; 1211. movable column; 1212. second piston; 1213. cylinder; 1214. first connecting pipe; 1215. airtight groove; 1216. rubber ring; 13. slot; 14. handle; 15. second connecting pipe. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0028] See also Figures 1 to 8 The present invention provides a technical solution: a laboratory energy-saving ventilation device, comprising a cabinet 1, a self-locking roller 2 and a first filter 3 are fixed to the bottom of the cabinet 1, a sterilization mesh box 4, an acidic chemical filter mesh box 5, an alkaline chemical filter mesh box block 6, a fan 7, an organic chemical filter mesh box 8 and a HEPA 9 are fixed to the inside of the cabinet 1, a second filter mesh 10 is fixed to the top of the cabinet 1, openings 11 are opened on all four sides of the cabinet 1, a sterilization mechanism 12 passes through the opening 11, the sterilization mechanism 12 includes an oil cylinder 1201, a first piston 1202 is slidably connected to the oil cylinder 1201, a movable rod 1203 is fixed to the outside of the first piston 1202, the movable rod 1203 passes through the outer end of the oil cylinder 1201 and is connected to the pull-out frame 1204, and an ultraviolet lamp tube 1205 is fixed to the inside of the pull-out frame 1204.

[0029] In this embodiment, Figure 4 As shown, the sterilization net box 4 contains substances that can absorb microorganisms, bacteria, and viruses. The substances stored in the sterilization net box 4 can attack the cell wall proteins of bacteria and viruses, destroy the gene DNA in the cells, kill bacteria and viruses, and do not produce ozone.

[0030] In this embodiment, Figure 4As shown, the acidic chemical filter box 5 contains various special filtering substances specially formulated for acidic gaseous pollutants such as hydrogen chloride, hydrogen fluoride, nitrogen oxides, sulfuric acid mist, hydrogen sulfide, sulfur dioxide, chlorine, acetic acid, etc. The substances stored in the acidic chemical filter box 5 can remove acidic gaseous pollutants.

[0031] In this embodiment, Figure 4 As shown, the alkaline chemical filter box block 6 contains various special filtering substances specially formulated for alkaline chemical gaseous pollutants such as ammonia, methylamine, dimethylamine, trimethylamine, triethylamine, methylpyrrolidine, and aniline. The substances stored in the alkaline chemical filter box block 6 can remove alkaline chemical gaseous pollutants.

[0032] In this embodiment, Figure 4 As shown, the chemical filter box 8 contains various special filter materials specially formulated to remove organic chemical gaseous pollutants such as toluene, xylene, benzene, formaldehyde, acetaldehyde, butyl acetate, isopropyl alcohol, methyl mercaptan, n-hexane, undecane, ether, dimethyl sulfide, styrene, trichloroethylene, etc. The materials stored in the chemical filter box 8 can remove organic chemical gaseous pollutants.

[0033] In this embodiment, Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown, the ultraviolet lamp tubes 1205 are evenly spaced on the pull-out frame 1204, and a cavity 1206 is provided in the outer wall of the pull-out frame 1204. A through hole 1207 is provided on the outer wall of the pull-out frame 1204, and the through hole 1207 is connected to the cavity 1206. The ultraviolet lamp tubes 1205 can sterilize and disinfect efficiently, making the overall sterilization effect better, and the through hole 1207 can be used for ventilation.

[0034] In this embodiment, Figure 4 and Figure 8 As shown, a sleeve 1208 is fixed to the top of the pull-out frame 1204, and a compression spring 1209 is fixed to the inner bottom of the sleeve 1208. A lock bar 1210 is fixed to the top of the compression spring 1209, and the lock bar 1210 is slidably connected in the sleeve 1208. The compression spring 1209 supports the lock bar 1210. After the pull-out frame 1204 is pushed into the cabinet 1, the lock bar 1210 will eventually pop up automatically to facilitate limiting the pull-out frame 1204. When the pull-out frame 1204 is pulled out of the cabinet 1, the lock bar 1210 will automatically retract into the sleeve 1208.

[0035] In this embodiment, Figure 4 and Figure 8As shown, a movable column 1211 is fixed to the bottom of the locking bar 1210, and a cylinder 1213 is fixed to the bottom of the sleeve 1208. The movable column 1211 passes through the bottom of the sleeve 1208 and the top of the cylinder 1213 and is connected to the second piston 1212. The second piston 1212 is slidingly connected in the cylinder 1213. The upward movement of the locking bar 1210 can drive the movable column 1211 and the second piston 1212 to move upward as a whole, so as to facilitate the compression of the gas in the cylinder 1213.

[0036] In this embodiment, Figure 3 、 Figure 4 、 Figure 5 、 Figure 7 and Figure 8 As shown, an airtight groove 1215 is provided on the outside of the drawer frame 1204, and the airtight groove 1215 is connected to the cylinder 1213 through the first connecting pipe 1214. A rubber ring 1216 is fixed in the airtight groove 1215. A card slot 13 is provided in the side wall of the cabinet 1. The rubber ring 1216 is engaged and connected in the card slot 13. Gas is initially stored in the airtight groove 1215, and the rubber ring 1216 is in an expanded state. When the drawer frame 1204 is pushed into the cabinet 1, the rubber ring 1216 is in an expanded state. During the process, the rubber ring 1216 is compressed and contracts, and the gas in the airtight groove 1215 is pressed into the cylinder 1213. The second piston 1212 moves downward. After pushing the pull-out frame 1204 to the bottom, the lock bar 1210, the movable column 1211 and the second piston 1212 automatically pop up as a whole. The second piston 1212 moves upward to press the gas in the cylinder 1213 back into the airtight groove 1215, and the rubber ring 1216 expands and is stuck in the card slot 13, which facilitates the role of strengthening the seal.

[0037] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 7 As shown, a handle 14 is fixed on the front side of the topmost pull-out frame 1204, and the oil cylinders 1201 on two adjacent pull-out frames 1204 are connected by a second connecting pipe 15. The second connecting pipe 15 serves to connect the oil cylinders 1201 on two adjacent pull-out frames 1204. The oil volume of the oil cylinders 1201 on the four pull-out frames 1204 decreases from top to bottom. When the handle 14 is held to pull the topmost pull-out frame 1204, the corresponding first piston 1202 and movable rod 1203 move accordingly to facilitate outward oil pressing. The other three pull-out frames 1204 will automatically extend from the cabinet body 1. After the four pull-out frames 1204 are extended, the ultraviolet lamp tube 1205 can sterilize and disinfect the parts outside the cabinet body 1.

[0038] The use method and advantages of the present invention: The working process of the laboratory energy-saving ventilation device is as follows:

[0039] like Figures 1 to 8As shown: first, the cabinet 1 is moved to the desired location by the self-locking roller 2 and connected to the external power supply. The fan 7 is together with the external environment monitoring component, which can monitor the concentration of pollutants in the laboratory, thereby controlling the operating speed of the fan 7. The fan 7 draws air upward, and the first filter 3 performs preliminary filtration on the air. The substance stored in the sterilization net box 4 can attack the cell wall protein of bacteria and viruses, destroy the gene DNA in the cells, kill bacteria and viruses, and does not produce ozone. The substance stored in the acidic chemical filter box 5 can remove acidic gaseous pollution such as hydrogen chloride, hydrogen fluoride, nitrogen oxides, sulfuric acid mist, hydrogen sulfide, sulfur dioxide, chlorine, acetic acid, etc. The substance stored in the alkaline chemical filter box block 6 can remove alkaline chemical gaseous pollutants such as ammonia, methylamine, dimethylamine, trimethylamine, triethylamine, methylpyrrolidine, aniline, etc. The substance stored in the organic chemical filter box 8 can remove toluene, xylene, benzene, formaldehyde, acetaldehyde, butyl acetate, isopropyl alcohol, methyl mercaptan, n-hexane, undecane, Ether, dimethyl sulfide, styrene, trichloroethylene and other organic chemical gaseous pollutants, a pull-out frame 1204 is provided between the sterilization net box 4 and the acidic chemical filter net box 5, between the acidic chemical filter net box 5 and the alkaline chemical filter net box block 6, between the alkaline chemical filter net box block 6 and the fan 7, and between the fan 7 and the organic chemical filter net box 8. The ultraviolet lamp 1205 can play a role in sterilization and disinfection. The second filter net 10 plays a role in isolating and blocking external impurities. Hold the handle 14 and pull out the top When the top pull-out frame 1204 is pushed back into the cabinet 1, the other three pull-out frames 1204 are retracted into the cabinet 1, the lock bar 1210 automatically pops up and limits the pull-out frame 1204, and the rubber ring 1216 automatically expands and is stuck in the card slot 13, which facilitates the role of strengthening the seal.

[0040] In summary, the laboratory energy-saving ventilation device achieves the purpose of energy-saving ventilation, filtration and sterilization, enhanced sealing and pulling activities, and meets people's usage needs.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A laboratory energy-saving ventilation device, comprising a cabinet (1), characterized in that: A self-locking roller (2) and a first filter (3) are fixed to the bottom of the cabinet (1); a sterilization screen box (4), an acidic chemical filter screen box (5), an alkaline chemical filter screen box block (6), a fan (7), an organic chemical filter screen box (8) and a HEPA (9) are fixed to the inner side of the cabinet (1); a second filter (10) is fixed to the top of the cabinet (1); openings (11) are provided on all sides of the cabinet (1); and the openings (11) are provided on the inner side of the cabinet (1). ) is penetrated by a sterilization mechanism (12), the sterilization mechanism (12) comprises an oil cylinder (1201), a first piston (1202) is slidably connected in the oil cylinder (1201), a movable rod (1203) is fixed to the outside of the first piston (1202), the movable rod (1203) penetrates the outer end of the oil cylinder (1201) and is connected to a pull-out frame (1204), and an ultraviolet lamp tube (1205) is fixed to the inside of the pull-out frame (1204).

2. A laboratory energy-saving ventilation device according to claim 1, characterized in that: The sterilization net box (4) contains substances capable of absorbing microorganisms, bacteria and viruses.

3. A laboratory energy-saving ventilation device according to claim 1, characterized in that: The acidic chemical filter box (5) contains various special filtering materials specially formulated for acidic gaseous pollutants such as hydrogen chloride, hydrogen fluoride, nitrogen oxides, sulfuric acid mist, hydrogen sulfide, sulfur dioxide, chlorine, acetic acid, etc.

4. A laboratory energy-saving ventilation device according to claim 1, characterized in that: The alkaline chemical filter screen box (6) contains various special filter materials specially formulated for alkaline chemical gaseous pollutants such as ammonia, methylamine, dimethylamine, trimethylamine, triethylamine, methylpyrrolidine, and aniline.

5. The laboratory energy-saving ventilation device according to claim 1, characterized in that: The organic chemical filter box (8) contains various special filter materials specially formulated to remove organic chemical gaseous pollutants such as toluene, xylene, benzene, formaldehyde, acetaldehyde, butyl acetate, isopropyl alcohol, methyl mercaptan, n-hexane, undecane, ether, dimethyl sulfide, styrene, trichloroethylene, etc.

6. The laboratory energy-saving ventilation device according to claim 1, characterized in that: The ultraviolet lamp tubes (1205) are distributed at equal intervals on the pull-out frame (1204), and a cavity (1206) is provided in the outer wall of the pull-out frame (1204). A through hole (1207) is provided on the outer wall of the pull-out frame (1204), and the through hole (1207) is connected to the cavity (1206).

7. The laboratory energy-saving ventilation device according to claim 1, characterized in that: A sleeve (1208) is fixed to the top of the pull-out frame (1204), and a compression spring (1209) is fixed to the inner bottom of the sleeve (1208). A locking bar (1210) is fixed to the top of the compression spring (1209), and the locking bar (1210) is slidably connected in the sleeve (1208).

8. The laboratory energy-saving ventilation device according to claim 7, characterized in that: A movable column (1211) is fixed to the bottom of the locking bar (1210), and a cylinder (1213) is fixed to the bottom of the sleeve (1208). The movable column (1211) passes through the bottom of the sleeve (1208) and the top of the cylinder (1213) and is connected to the second piston (1212), and the second piston (1212) is slidably connected in the cylinder (1213).

9. The laboratory energy-saving ventilation device according to claim 1, characterized in that: An airtight groove (1215) is provided on the outside of the drawer frame (1204), and the airtight groove (1215) is connected to the cylinder (1213) through a first connecting pipe (1214). A rubber ring (1216) is fixed in the airtight groove (1215). A card slot (13) is provided in the side wall of the cabinet (1), and the rubber ring (1216) is engaged and connected in the card slot (13).

10. The laboratory energy-saving ventilation device according to claim 1, characterized in that: A handle (14) is fixed on the front side of the topmost drawer frame (1204), and the oil cylinders (1201) on two adjacent drawer frames (1204) are connected via a second connecting pipe (15).

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