CN213542736U

CN213542736U - Ventilation unit is used in laboratory air replacement

Info

Publication number: CN213542736U
Application number: CN202022149474.6U
Authority: CN
Inventors: 童镇鸿
Original assignee: Raymond Xiamen Technology Co ltd
Current assignee: Raymond Xiamen Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-25
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a ventilation unit for air replacement in laboratories in the technical field of laboratory ventilation, which comprises an air replacement plate, two groups of rectangular grooves are symmetrically arranged at the top end center of the replacement plate, through holes are arranged at the two phases of the rectangular groove inner wall and the opposite side center, an air inlet machine and an air outlet machine are respectively arranged at the bottom end centers of the two groups of rectangular grooves, the input end and the output end of the air inlet machine are respectively connected with an air inlet pipe and an air outlet pipe, the input end and the output end of the air outlet machine are respectively connected with an air exhaust pipe and an air outlet pipe, an installation ring groove is arranged at the outer side end of the part where the air outlet pipe and the air delivery pipe are arranged through the through holes, a filtering mechanism is arranged inside the installation ring groove, the filtering mechanism comprises an installation ring and an active carbon adsorption layer plate, elastic ropes are fixed at the two ends of the side surface of, the top end of the square ring plate is fixed with a cover plate, and the centers of the two sides of the cover plate are symmetrically fixed with auxiliary strips.

Description

Ventilation unit is used in laboratory air replacement

Technical Field

The utility model relates to a laboratory ventilation technical field specifically is a ventilation unit is used in laboratory air replacement.

Background

The environmental requirements of a laboratory are generally higher, a stable environment is provided for a laboratory, which is also important for the accuracy of experimental data, ventilation is a building environment control technology for controlling the propagation and harm of air pollutants by means of ventilation dilution or ventilation removal and the like, and the quality guarantee of indoor and outdoor air environment is realized, the ventilation of the laboratory has an important effect on the stability of the internal environment of the laboratory, generally, the quality of the internal air of the laboratory is poor after a large number of experiments are carried out, so that the replacement of indoor and outdoor air is generally carried out by adopting a mode of installing a ventilation device, the air circulation of the laboratory is ensured, the external air brings required oxygen to people in the laboratory, and also brings bacterial and dust substances in the external air into the laboratory, and meanwhile, in the process of gas exchange, some substances generated in the laboratory can also be brought into the laboratory, these substances may cause environmental pollution.

At present, chinese patent with application number CN201822126417.9 discloses a ventilation unit for laboratory air replacement, belongs to air replacement technical field, and including cowl, air-out pipeline, air-supply line, air-out machine and air-supply line, the cowl is inlayed on the wall in laboratory, and the dust screen is installed to the one end of cowl. Connect air-out pipeline and air inlet pipe respectively through the back at the draft hood, wherein the air-out pipeline is used for the air discharge in the laboratory, the air inlet pipe is used for inhaling external air, realize laboratory and external air replacement, two pipelines all are connected with the inside intercommunicating pore of draft hood, the installation can pivoted returning plate between two intercommunicating pores, the returning plate rotary cover is when one of them intercommunicating pore, the pipeline of being connected with this intercommunicating pore just can't ventilate, and the ventilation effect of another pipeline just becomes good back, consequently, can adjust the ventilation effect of two pipelines through adjusting the returning plate. However, when the device is used for carrying out experiments, air is replaced and ventilated, the air inlet channel and the air outlet channel are communicated, the air replacement process is influenced mutually, the use is inconvenient, meanwhile, air freshener is adopted to suck in fresh air, and the risk of adverse effect on the experimental internal test is caused. Based on this, the utility model designs a ventilation unit is used in laboratory air replacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation unit is used in laboratory air replacement to solve and propose in the above-mentioned background, air replacement ventilates when using the device to carry out the experiment, and air intake channel and air-out passageway communicate between the two, influence each other at the in-process that the air was replaced, are not convenient for use, adopt the air freshener to carry out the fresh of suction gas simultaneously, have the problem to the risk that experimental internal test caused harmful effects.

In order to achieve the above object, the utility model provides a following technical scheme:

a ventilation device for air replacement in a laboratory comprises an air replacement plate, wherein two groups of rectangular grooves are symmetrically arranged at the top end of the replacement plate, through holes are formed in the centers of two opposite side surfaces of the rectangular groove inner wall, two groups of air inlets and air outlets are respectively arranged at the bottom end center of the rectangular groove, the input end and the output end of each air inlet are respectively connected with an air inlet pipe and an air outlet pipe, the input end and the output end of each air outlet machine are respectively connected with an air exhaust pipe and an air outlet pipe, an installation ring groove is formed in the outer side end of a part where the air outlet pipe and the air outlet pipe are located through the through holes, a filter mechanism is internally arranged in the installation ring groove and comprises an installation ring and an active carbon adsorption layer plate, elastic ropes are fixed at the two ends of the position where the installation ring is located on the side surface of the air replacement plate, a square ring groove is, the top end of the square ring plate is fixed with a cover plate, and the centers of two sides of the cover plate are symmetrically fixed with auxiliary strips.

Preferably, the depth of the rectangular groove is greater than half of the height of the air replacement plate, a label strip is attached to the lower portion of the end portion of the through hole, and the lengths of the air inlet fan and the air outlet fan are smaller than the distance of the rectangular groove in the direction.

Preferably, the air inlet pipe, the air supply pipe, the exhaust pipe and the air outlet pipe are all positioned in the through hole, and the length of the part of the four parts positioned in the through hole is less than half of the length of the through hole.

Preferably, the inner diameter of the mounting ring groove is larger than the diameter of the through hole, the shape and the size of the mounting ring are equal to those of the mounting ring groove, and the end part of the mounting ring is connected with the bottom end of the mounting ring groove in a magnetic adsorption manner.

Preferably, the size of the shape of the square ring plate is equal to the size of the shape of the square ring groove, and the bottom end of the square ring plate is connected with the bottom end of the square ring groove in a magnetic adsorption mode.

Preferably, the height of the auxiliary strip is smaller than that of the cover plate, and the bottom end face of the cover plate is a smooth surface.

Compared with the prior art, the beneficial effects of the utility model are that: through the arrangement of the rectangular grooves and the through holes which are mutually separated and not communicated, when the air inlet fan and the exhaust fan carry out ventilation on the interior of the laboratory, the mutual influence between the air inlet fan and the exhaust fan during the air extraction and the air delivery is avoided; through setting up filtering mechanism, utilize the gas that the active carbon adsorption plywood opposition traded out the laboratory and got into the gas in laboratory to carry out impurity adsorption and remove the flavor, avoid the second generation gas direct replacement in the laboratory to cause harm to external environment, avoid the gas that external environment got into the laboratory simultaneously to produce harmful effects to the laboratory internal environment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the top view structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of the present invention;

FIG. 4 is an enlarged schematic view of part A of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the present invention at B-B.

In the drawings, the components represented by the respective reference numerals are listed below:

1-air replacement plate, 2-rectangular groove, 3-through hole, 4-air inlet fan, 5-air outlet fan, 6-air inlet pipe, 7-air supply pipe, 8-air exhaust pipe, 9-air outlet pipe, 10-installation ring groove, 11-installation ring, 12-activated carbon adsorption layer plate, 13-elastic rope, 14-square ring groove, 15-square ring plate, 16-cover plate and 17-auxiliary strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

as shown in fig. 1, 2 and 3, a ventilation device for air replacement in a laboratory comprises an air replacement plate 1, two groups of rectangular grooves 2 are symmetrically arranged at the center of the top end of the air replacement plate 1, the depth of each rectangular groove 2 is greater than half of the height of the air replacement plate 1, through holes 3 are arranged at the centers of two opposite side surfaces of the inner wall of each rectangular groove 2, a label strip is pasted below the end parts of the through holes 3, an air inlet machine 4 and an air outlet machine 5 are respectively arranged at the centers of the bottom ends of the two groups of rectangular grooves 2, the lengths of the air inlet machine 4 and the air outlet machine 5 are smaller than the distance of the rectangular grooves 2 in the direction, the input end and the output end of the air inlet machine 4 are respectively connected with an air inlet pipe 6 and an air outlet pipe 7, the input end and the output end, the end parts of the air supply pipe 7, the air exhaust pipe 8 and the air outlet pipe 9 are all positioned in the through hole 3, and the length of the part of the four in the through hole 3 is less than half of the length of the through hole 3;

as shown in fig. 1, 4 and 5, the through hole 3 is provided with a mounting ring groove 10 at the outer end of the part where the air outlet pipe 9 and the air supply pipe 7 are located, the inner diameter of the mounting ring groove 10 is larger than the diameter of the through hole 3, a filtering mechanism is arranged in the mounting ring groove 10, the filtering mechanism comprises a mounting ring 11 and an activated carbon adsorption layer plate 12, the shape and size of the mounting ring 11 is equal to the shape and size of the mounting ring groove 10, the end of the mounting ring 11 is connected with the bottom end of the mounting ring groove 10 in a magnetic adsorption manner, elastic ropes 13 are fixed at two ends of the side surface of the air replacement plate 1 at the position of the mounting ring 11, the top end edge of the rectangular groove 2 is provided with a square ring groove 14, a square ring plate 15 is arranged in the square ring groove 14, the shape and size of the square ring plate 15 is equal to the shape and size of the square ring groove 14 in a magnetic adsorption, auxiliary strips 17 are symmetrically fixed at the centers of two sides of the cover plate 16, the height of the auxiliary strips 17 is smaller than that of the cover plate 16, and the bottom end surface of the cover plate 16 is a smooth surface.

One specific application of this embodiment is: pull open elasticity rope 13, the magnetic adsorption cooperation of utilizing installation ring groove 10 and collar 11, install filter mechanism and run through 3 tip of through-hole, loosen elasticity rope 13, it is supplementary fixed to filter mechanism, utilize the magnetic adsorption cooperation of square crown plate 15 and square crown groove 14 after that, utilize apron 16 to seal square groove 2, when carrying out the inside gas replacement of laboratory, go out 5 work of fan and pump the gas of laboratory inside to go out tuber pipe 9 through exhaust column 8, discharge after the absorption of active carbon adsorption plywood 12, simultaneously air-supply line 4 work carries outside gas in air-supply pipe 7 through air-supply line 6, in the laboratory is advanced after the absorption of active carbon adsorption plywood 12, accomplish the gas replacement of laboratory inner space. When the air inlet fan 4 and the exhaust fan 5 ventilate the air inside the laboratory, the independent and separated arrangement mode avoids the mutual influence between the air inlet fan and the exhaust fan when the air is extracted and conveyed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A ventilation unit for laboratory air replacement, includes air replacement board (1), its characterized in that: the air replacement plate is characterized in that two groups of rectangular grooves (2) are symmetrically arranged at the center of the top end of the replacement plate (1), through holes (3) are formed in the centers of two opposite side faces of the inner wall of each rectangular groove (2), the two groups of rectangular grooves (2) are provided with an air inlet machine (4) and an air outlet machine (5) respectively at the bottom center, the input end and the output end of the air inlet machine (4) are connected with an air inlet pipe (6) and an air supply pipe (7) respectively, the input end and the output end of the air outlet machine (5) are connected with an air exhaust pipe (8) and an air outlet pipe (9) respectively, installation ring grooves (10) are formed in the outer side end portions of the portions where the air outlet pipe (9) and the air supply pipe (7) are located through the through holes (3), a filtering mechanism is arranged inside each installation ring groove (10), each filtering mechanism comprises an installation ring (11) and an active carbon adsorption laminated plate (12), square ring groove (14) have been seted up at square groove (2) top edge, square ring groove (14) internally mounted has square ring board (15), square ring board (15) top is fixed with apron (16), apron (16) both sides central symmetry is fixed with supplementary strip (17).

2. A laboratory air displacement ventilation device in accordance with claim 1, wherein: the degree of depth of square groove (2) is greater than the half of air replacement board (1) height, it is equipped with the label to run through-hole (3) tip below subsides, the length of air inlet machine (4) and play fan (5) is less than square groove (2) distance in this side.

3. A laboratory air displacement ventilation device in accordance with claim 1, wherein: the air inlet pipe (6), the air supply pipe (7), the exhaust pipe (8) and the air outlet pipe (9) are all positioned in the through hole (3), and the length of the four parts positioned in the through hole (3) is less than half of the length of the through hole (3).

4. A laboratory air displacement ventilation device in accordance with claim 1, wherein: the inside diameter of collar (10) is greater than the diameter that runs through-hole (3), the shape size of collar (11) equals the shape size of collar (10), collar (11) tip and collar (10) bottom magnetic adsorption are connected.

5. A laboratory air displacement ventilation device in accordance with claim 1, wherein: the size of the shape of the square ring plate (15) is equal to the size of the shape of the square ring groove (14), and the bottom end of the square ring plate (15) is connected with the bottom end of the square ring groove (14) in a magnetic adsorption mode.

6. A laboratory air displacement ventilation device in accordance with claim 1, wherein: the height of the auxiliary strip (17) is smaller than that of the cover plate (16), and the bottom end surface of the cover plate (16) is a smooth surface.