Laboratory ventilation equipment with purification function

Abstract

The utility model discloses laboratory ventilation equipment with a purification function, which relates to the technical field of laboratory ventilation equipment and comprises a laboratory ventilation cabinet, a purification main machine and a fan which are sequentially connected through a pipeline, and the inside of a main machine outer box of the purification main machine is divided into a purification cavity and a replacement cavity through a partition plate. A plurality of groups of mounting frames are fixedly connected in the purification cavity, two groups of mounting sliding grooves are formed in each group of mounting frames, a purification part is slidably connected in one group of mounting sliding grooves of each group of mounting frames, mounting openings corresponding to each group of mounting sliding grooves are formed in the partition plate, and an automatic replacement mechanism is arranged in the replacement cavity. By means of the structure, laboratory waste gas can be purified and discharged, the environment is protected, the purification components can be automatically replaced, and the replacement frequency of the purification components is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory ventilation equipment, in particular to a laboratory ventilation equipment with a purification function. Background Art

[0002] In modern laboratory environments, waste gas generated by experiments will accumulate inside the laboratory, resulting in a poor laboratory environment. Therefore, it is necessary to discharge the waste gas generated in the laboratory. At present, fume hoods are generally used to achieve this. However, most existing fume hoods directly discharge the laboratory's waste gas into the external environment. Although this effectively avoids the poor environment in the laboratory, the discharged waste gas will cause environmental pollution to the atmosphere. Therefore, this direct discharge method cannot be used;

[0003] In the prior art, although some purification equipment with air purification function is used to purify the exhaust gas before it is discharged into the atmosphere, these existing air purification equipment usually require manual regular replacement during maintenance and replacement of internal purification components, and the replacement cycle is short, which not only increases labor costs, but may also affect the purification effect due to untimely replacement. Utility Model Content

[0004] In view of the above-mentioned deficiencies existing in the prior art, the purpose of the utility model is to provide a laboratory ventilation device which can purify and discharge laboratory exhaust gas, protect the environment, and can automatically replace purification components to reduce the frequency of replacement of purification components.

[0005] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a laboratory ventilation equipment with purification function, comprising a laboratory fume hood, a purification host and a fan connected in sequence by pipelines, the purification host comprising a host outer box, a purification component and an automatic replacement mechanism, the host outer box is divided into a purification chamber and a replacement chamber by a partition, a plurality of groups of mounting frames are fixedly connected in the purification chamber, each group of the mounting frames is provided with two groups of mounting slides, one group of the mounting slides of each group of the mounting frames is slidably connected with the purification component, the partition is provided with a mounting port corresponding to each group of the mounting slides, the replacement chamber is provided with the automatic replacement mechanism, the remaining group of the mounting slides on the automatic replacement mechanism corresponding to each group of the mounting frames is installed with a group of the purification components, the automatic replacement mechanism can automatically place the installed purification components in the mounting frame through the mounting port, and automatically take the purification components originally placed on the mounting frame to the replacement chamber.

[0006] In the above technical solution, the purification component includes a purification main component, a component frame, and a mounting sub-frame, the purification main component is fixedly connected to the component frame, a sliding block is fixedly connected to one end of the component frame, the sliding block is slidably connected to the mounting sub-frame, and the mounting sub-frame matches the automatic replacement mechanism.

[0007] In the above technical solution, the automatic replacement mechanism includes a first motion module, a second motion module and an adsorption component. The first motion module is fixedly connected in the replacement chamber. The first motion module includes a first motion table capable of linear motion. The first motion table is fixedly connected to a mounting frame. The mounting frame is fixedly connected with the second motion module corresponding to each group of the mounting frames. The second motion module includes a second motion table capable of linear motion. The adsorption component is fixedly connected to each group of the second motion tables. The adsorption component is fixedly connected to the mounting sub-frame by adsorption.

[0008] In the above technical solution, the first motion module also includes a first sliding column, a first screw and a first motor. The first sliding column is fixedly connected in the replacement chamber, the first sliding column is slidably connected to the first moving table, the first screw is threadedly connected to the first moving table, the first motor is fixedly connected in the replacement chamber, and the first motor is dynamically connected to the first screw.

[0009] In the above technical solution, the second motion module also includes a mounting base, a second sliding column, a second lead screw and a second motor. The mounting base is fixedly connected to each group of the mounting frames on the mounting frame, and the second sliding column is fixedly connected to each group of the mounting bases. The second sliding column is slidably connected to the second motion platform, the second lead screw is threadedly connected to the second motion platform, the second motor is fixedly connected to the first motion platform, and the second motor is dynamically connected to multiple groups of the second lead screws.

[0010] In the above technical solution, one end of each of the multiple groups of the second lead screws is fixedly connected to a transmission shaft, and the multiple groups of the transmission shafts are connected in sequence through a synchronous belt assembly, and the second motor is dynamically connected to one of the groups of the transmission shafts.

[0011] In the above technical solution, the adsorption component includes an adsorption table, an electromagnet and a connecting frame. The second moving table is fixedly connected to the adsorption table through the connecting frame, the electromagnet is fixedly connected to the adsorption table, and the mounting sub-frame is fixedly connected to an adsorption iron sheet matching the adsorption table.

[0012] In the above technical solution, a ventilation inlet pipe and a ventilation outlet pipe are provided on the main engine outer box connected with the purification chamber, and a replacement port is provided on the main engine outer box connected with the replacement chamber, and a cabinet door is hinged on one side of the replacement port.

[0013] In the above technical solution, the installation frames are arranged in three groups, the two groups of purification main components corresponding to each group of the installation frames are the same, and the purification main components corresponding to the three groups of the installation frames are different. The three groups of purification main components respectively adopt high-efficiency particulate air filters, ultra-low permeability air filters and activated carbon filters.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The negative pressure generated by the fan can extract the waste gas generated in the laboratory fume hood to the purification host. The air is purified by multiple sets of purification components in the purification host and then discharged into the atmosphere. This can avoid the problem of direct discharge of waste gas generated in the laboratory causing environmental pollution and effectively protect the environment.

[0016] 2. An automatic replacement mechanism is provided in the purification host. When the purification effect of the purification component in the purification chamber is reduced due to long-term use, the second motion module is used to make the second motion platform move linearly. At this time, the replaced purification component can be pushed by the second motion platform into the installation frame of the purification chamber. Then the adsorption component releases the fixation of the replaced purification component. Then, the first motion module can make the first motion platform move linearly. At this time, the first motion platform can synchronously drive the second motion module to move until the adsorption component on the second motion module corresponds to the purification component to be replaced in the purification chamber, so that the adsorption component to be replaced is The purification component is adsorbed and fixed, and then the second motion module is used to make the second motion platform drive the adsorption component to move until the purification component to be replaced is taken out of the replacement chamber, so that the automatic replacement of the purification component can be completed, and the replacement frequency can be reduced. The staff can slide and remove the replaced installation frame together with the purification main component from the installation sub-frame, and then replace the purification main component on the installation frame, and finally slide the replaced purification host onto the installation sub-frame, so as to realize the next automatic replacement of the equipment. This replacement is simpler and more convenient, and can be flexibly replaced within the automatic replacement cycle of the equipment, with excellent use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the purification host in the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the main engine outer box in the utility model;

[0020] Figure 4 This is a structural schematic diagram of another perspective of the interior of the host outer box of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the automatic replacement mechanism in the utility model;

[0022] Figure 6 It is a structural schematic diagram of the automatic replacement mechanism in the utility model from another perspective;

[0023] Figure 7 It is a schematic diagram of the matching structure of the installation frame and the purification component in the utility model.

[0024] In the figure: 100 laboratory fume hood, 200 purification host, 201 host outer box, 202 purification component, 203 automatic replacement mechanism, 204 purification chamber, 205 replacement chamber, 206 installation frame, 207 installation slide, 208 purification main part, 209 component frame, 210 installation sub-frame, 211 sliding block, 212 installation port, 213 first motion module, 214 second motion module, 215 adsorption component, 216 first motion table, 2 17 mounting frame, 218 second moving platform, 219 ventilation inlet pipe, 220 ventilation outlet pipe, 221 replacement port, 222 cabinet door, 223 first sliding column, 224 first lead screw, 225 first motor, 226 mounting base, 227 second sliding column, 228 second lead screw, 229 second motor, 230 transmission shaft, 231 synchronous belt assembly, 232 adsorption platform, 233 electromagnet, 234 connecting frame, 235 adsorption iron sheet, 300 fan. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1—7, a laboratory ventilation device with purification function, comprising a laboratory fume hood 100, a purification host 200 and a fan 300 connected in sequence by pipelines, the purification host 200 comprising a host outer box 201, a purification component 202 and an automatic replacement mechanism 203, a purification chamber 204 and a replacement chamber 205 are separated by a partition in the host outer box 201, three groups of mounting frames 206 are fixedly connected in the purification chamber 204, each group of mounting frames 206 is provided with two groups of mounting slides 207, and each group of mounting frames 206 has a group of mounting slides 207 are all slidably connected with the purification component 202, wherein the purification component 202 further includes a purification main component 208, a component frame 209 and an installation sub-frame 210, that is, the purification main component 208 is detachably fixedly connected to the component frame 209, and one end of the installation frame 206 is also fixedly connected with a T-shaped sliding block 211, and the sliding block 211 is slidably connected to the installation sub-frame 210, so that the component frame 209 can be slidably removed from the installation sub-frame 210, and the component frame 209 can be slidably connected in the installation slide groove 207;

[0027] In addition, a mounting port 212 is provided on the partition corresponding to each group of mounting slide grooves 207, and the replacement of the purification component 202 is achieved through the mounting port 212. An automatic replacement mechanism 203 is provided in the replacement chamber 205, and the automatic replacement mechanism 203 includes a first motion module 213, a second motion module 214 and an adsorption component 215. The first motion module 213 is fixedly connected in the replacement chamber 205, and the first motion module 213 includes a first motion table 216 capable of linear motion. The first motion table 216 is fixedly connected with a mounting frame 217, and the mounting frame 217 is fixedly connected with a second motion module 214 corresponding to each group of mounting frames 206, and the second motion module 214 includes a second motion table 218 capable of linear motion. Each group of second motion tables 218 is fixedly connected with an adsorption component 215, and each group of adsorption components 215 has a group of purification components 202 adsorbed and fixed thereon, that is, the adsorption component 215 adsorbs and fixes the purification component. 202 of the installation sub-frame 210, in addition, the purification component 202 adsorbed by the adsorption component 215 corresponds to the remaining group of installation slide grooves 207 of each group of installation frames 206, so that the adsorbed purification component 202 can be driven by the second movement module 214 to penetrate into the installation frame 206 of the purification chamber 204 through the installation port 212, and the adsorption effect of the adsorption component 215 is released. Then, the first movement module 213 is used to make the first movement platform 216 drive the second movement module 214 and the adsorption component 215 thereon to perform linear motion until the adsorption component 215 corresponds to the purification component 202 to be replaced, and the adsorption component 215 to be replaced is adsorbed and fixed by the adsorption component 215, and finally, the second movement module 214 is used to make the second movement platform 218 drive the purification component 202 to be replaced to slide from the installation frame 206 to the replacement chamber 205, so that the replacement of the purification component 202 is completed, which can reduce the replacement frequency of the purification component 202;

[0028] Furthermore, a ventilation inlet pipe 219 and a ventilation outlet pipe 220 are provided on the mainframe outer box 201 in communication with the purification chamber 204. The exhaust gas extracted from the laboratory fume hood 100 can enter the purification chamber 204 through the ventilation inlet pipe 219, and the purified gas can be discharged from the purification chamber 204 through the ventilation outlet pipe 220. In addition, a replacement port 221 is provided on the mainframe outer box 201 in communication with the replacement chamber 205. A cabinet door is hinged on one side of the replacement port 221. The replaced purification component 202 inside can be replaced by opening the cabinet door, that is, the component frame 209 together with the upper purification body is slid and removed from the mounting sub-frame 210, and then a new purification body is mounted on the component frame 209, and finally the component frame 209 is slid and mounted on the mounting sub-frame 210, so as to prepare for the next replacement of the device;

[0029] Furthermore, the two groups of purification main components 208 corresponding to each group of installation frames 206 are the same, while the purification main components 208 corresponding to the three groups of installation frames 206 are different, and the three groups of purification main components 208 respectively use a high-efficiency particulate air (HEPA) filter, an ultra-low penetration air (ULPA) filter, and an activated carbon filter.

[0030] The utility model further states that the first motion module 213 also includes a first sliding column 223, a first lead screw 224 and a first motor 225. The first sliding column 223 is fixedly connected in the replacement cavity 205, the first sliding column 223 is slidably connected to the first motion platform 216, the first lead screw 224 is threadedly connected to the first motion platform 216, and the first motor 225 is fixedly connected in the replacement cavity 205. The first motor 225 is connected to the first lead screw 224 in a power connection, so that the first lead screw 224 can be driven to rotate by the first motor 225, so that the first motion platform 216 can slide linearly on the first sliding column 223;

[0031] In addition, the second motion module 214 also includes a mounting base 226, a second sliding column 227, a second lead screw 228 and a second motor 229. The mounting frame 217 is fixedly connected with a mounting base 226 corresponding to each group of mounting frames 206. Each group of mounting bases 226 is fixedly connected with a second sliding column 227. The second sliding column 227 is slidably connected with a second motion platform 218. The second lead screw 228 is threadedly connected to the second motion platform 218. The second motor 229 is fixedly connected to the first motion platform 216. One end of the plurality of groups of second lead screws 228 is fixedly connected with a transmission shaft 230. The plurality of groups of transmission shafts 230 are connected in turn through a synchronous belt assembly 231. The second motor 229 is connected to one of the groups of transmission shafts 230 by power. In this way, the three groups of second lead screws 228 can be synchronously driven to rotate by a group of second motors 229, so that the three groups of second motion platforms 218 can slide linearly on the second sliding column 227.

[0032] Furthermore, the adsorption component 215 includes an adsorption platform 232, an electromagnet 233 and a connecting frame 234. The adsorption platform 232 is fixedly connected to the second moving platform 218 through the connecting frame 234. The electromagnet 233 is fixedly connected to the adsorption platform 232. The matching adsorption platform 232 on the mounting sub-frame 210 is fixedly connected to an adsorption iron sheet 235. In this way, the adsorption iron sheet 235 can be adsorbed by the electromagnet 233, thereby achieving the adsorption and fixing effect of the adsorption component 215 and the mounting sub-frame 210.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A laboratory ventilation device with purification function, comprising a laboratory fume hood (100), a purification host (200) and a fan (300) connected in sequence by pipelines, characterized in that: The purification host (200) comprises a host outer box (201), a purification component (202) and an automatic replacement mechanism (203); the host outer box (201) is divided into a purification chamber (204) and a replacement chamber (205) by a partition; a plurality of groups of mounting frames (206) are fixedly connected in the purification chamber (204); each group of the mounting frames (206) is provided with two groups of mounting slide grooves (207); the purification component (202) is slidably connected in one group of the mounting slide grooves (207) of each group of the mounting frames (206); and a plurality of groups of mounting slide grooves (207) corresponding to each group of the mounting slide grooves (207) are provided on the partition. 7) are provided with an installation opening (212), the replacement chamber (205) is provided with the automatic replacement mechanism (203), and the remaining installation slots (207) corresponding to each group of the installation frames (206) on the automatic replacement mechanism (203) are each installed with a group of the purification components (202), and the automatic replacement mechanism (203) can automatically place the installed purification components (202) in the installation frame (206) through the installation opening (212), and automatically take the purification components (202) originally placed in the installation frame (206) to the replacement chamber (205).

2. A laboratory ventilation device with purification function according to claim 1, characterized in that: The purification component (202) comprises a purification main component (208), a component frame (209), and a mounting sub-frame (210); the purification main component (208) is fixedly connected to the component frame (209); a sliding block (211) is fixedly connected to one end of the component frame (209); the sliding block (211) is slidably connected to the mounting sub-frame (210); and the mounting sub-frame (210) matches the automatic replacement mechanism (203).

3. The laboratory ventilation equipment with purification function according to claim 2 is characterized in that: The automatic replacement mechanism (203) comprises a first motion module (213), a second motion module (214) and an adsorption component (215); the first motion module (213) is fixedly connected in the replacement chamber (205); the first motion module (213) comprises a first motion platform (216) capable of linear motion; a mounting frame (217) is fixedly connected to the first motion platform (216); the mounting frame (217) is fixedly connected to each group of the mounting frames (206); the second motion module (214) comprises a second motion platform (218) capable of linear motion; each group of the second motion platforms (218) is fixedly connected to the adsorption component (215); the adsorption component (215) is fixedly connected to the mounting sub-frame (210) by adsorption.

4. The laboratory ventilation equipment with purification function according to claim 3 is characterized in that: The first motion module (213) further comprises a first sliding column (223), a first lead screw (224) and a first motor (225); the first sliding column (223) is fixedly connected in the replacement cavity (205); the first sliding column (223) is slidably connected to the first motion platform (216); the first lead screw (224) is threadedly connected to the first motion platform (216); the first motor (225) is fixedly connected in the replacement cavity (205); and the first motor (225) is power-connected to the first lead screw (224).

5. The laboratory ventilation equipment with purification function according to claim 4 is characterized in that: The second motion module (214) also includes a mounting base (226), a second sliding column (227), a second lead screw (228) and a second motor (229); the mounting base (226) is fixedly connected to each group of the mounting frames (206) on the mounting frame (217); each group of the mounting base (226) is fixedly connected to the second sliding column (227); the second motion platform (218) is slidably connected to the second sliding column (227); the second motion platform (218) is threadedly connected to the second lead screw (228); the first motion platform (216) is fixedly connected to the second motor (229); the second motor (229) is power-connected to multiple groups of the second lead screws (228).

6. The laboratory ventilation equipment with purification function according to claim 5, characterized in that: One end of each of the plurality of groups of the second lead screws (228) is fixedly connected to a transmission shaft (230), and the plurality of groups of the transmission shafts (230) are connected in sequence via a synchronous belt assembly (231), and the second motor (229) is power-connected to one of the groups of the transmission shafts (230).

7. The laboratory ventilation equipment with purification function according to claim 5, characterized in that: The adsorption component (215) comprises an adsorption platform (232), an electromagnet (233) and a connecting frame (234); the adsorption platform (232) is fixedly connected to the second moving platform (218) via the connecting frame (234); the electromagnet (233) is fixedly connected to the adsorption platform (232); and an adsorption iron sheet (235) is fixedly connected to the mounting sub-frame (210) to match the adsorption platform (232).

8. The laboratory ventilation equipment with purification function according to claim 1, characterized in that: The main unit outer box (201) is provided with a ventilation inlet pipe (219) and a ventilation outlet pipe (220) which are in communication with the purification chamber (204), and the main unit outer box (201) is provided with a replacement port (221) which is in communication with the replacement chamber (205), and a cabinet door is hingedly connected to one side of the replacement port (221).

9. The laboratory ventilation equipment with purification function according to claim 2, characterized in that: The installation frames (206) are arranged in three groups, and the two groups of purification main components (208) corresponding to each group of the installation frames (206) are identical, and the purification main components (208) corresponding to the three groups of the installation frames (206) are different from each other. The three groups of purification main components (208) respectively adopt a high-efficiency particulate air filter, an ultra-low permeability air filter, and an activated carbon filter.

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