CN217209693U - Laboratory ventilation system - Google Patents

Abstract

The utility model discloses a ventilation system for a laboratory, which comprises a ventilation main frame; an air supply cavity and an air exhaust cavity are arranged in the ventilation main frame; a first input channel and a first output channel are arranged in the air supply cavity, and a first air supply fan is arranged between the first input channel and the first output channel; an air exhaust outlet channel and an air exhaust inlet channel are arranged in the air exhaust cavity, and an air exhaust fan is arranged between the air exhaust outlet channel and the air exhaust inlet channel; the ventilation main frame is provided with a filtering device, the filtering device is provided with at least two filtering pieces, and one of the filtering pieces can move to the space between the exhaust fan and the exhaust inlet channel. The technical scheme of the utility model can improve the ventilation filter effect.

Description

Laboratory ventilation system

Technical Field

The utility model relates to a laboratory technical field, concretely relates to laboratory ventilation system.

Background

The ventilation system of the laboratory is one of the systems with the largest scale and the most extensive influence in the whole design and construction process of the laboratory, and the perfection of the ventilation system directly has important influence on the aspects of the laboratory environment, the physical health of laboratory personnel, the operation and maintenance of experimental equipment and the like.

However, most of the existing laboratory ventilation systems have poor ventilation effect, thereby affecting the use safety of laboratory personnel.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a laboratory ventilation system aims at improving the ventilation filter effect.

The utility model discloses the above-mentioned problem that will solve is in order to realize through following technical scheme:

a laboratory ventilation system comprises a ventilation main frame; an air supply cavity and an air exhaust cavity are arranged in the ventilation main frame; a first input channel and a first output channel are arranged in the air supply cavity, and a first air supply fan is arranged between the first input channel and the first output channel; an air exhaust outlet channel and an air exhaust inlet channel are arranged in the air exhaust cavity, and an air exhaust fan is arranged between the air exhaust outlet channel and the air exhaust inlet channel; the ventilation main frame is provided with a filtering device, the filtering device is provided with at least two filtering pieces, and one of the filtering pieces can move to the space between the exhaust fan and the exhaust inlet channel.

Preferably, the filter element comprises a first mesh plate, activated carbon, quartz sand and a second mesh plate which are arranged from top to bottom.

Preferably, a first support bracket is arranged in the filtering device and is used for being movably connected with the filtering piece.

Preferably, the filter element is movably connected in the first support bracket through a first traction shaft; an adjusting inner cavity is formed in the first supporting bracket, and the filtering pieces are symmetrically and movably connected to the inner wall of the adjusting inner cavity.

Preferably, a replacement driving assembly is arranged in the filtering device and used for replacing the positions of the two filtering pieces.

Preferably, it includes second telescopic cylinder, first connecting plate, rotation motor and dwang to change drive assembly, the telescopic shaft of second telescopic cylinder with the upper end of first connecting plate is connected, it connects to rotate the motor the bottom of first connecting plate and with the first end of dwang is connected, the second end of dwang can extend to first inner wall of pulling the axle and with first pull a joint.

Preferably, the filtering device is connected to the side end of the ventilation main frame, and the filtering element is movably connected to the inside of the filtering device; a first telescopic cylinder is arranged in the filtering device; the first telescopic cylinder is used for enabling the filtering pieces to move through the filtering device and the side end of the ventilation main frame and move to the position below the exhaust fan.

Preferably, a first connecting rod is arranged on the first telescopic cylinder, and a first end of the first connecting rod is connected with the first support bracket.

Preferably, a static pole is arranged in the exhaust outlet channel.

Preferably, a gas concentration tester is arranged in the exhaust outlet channel.

Has the advantages that: the technical proposal of the utility model can ensure the fluency of air exhaust or air supply by adopting the air supply cavity and the air exhaust cavity; then, the air supply speed is increased through the first air supply fan between the first input channel and the first output channel, and the rapidity of air circulation is promoted; the exhaust fan between the exhaust outlet channel and the exhaust inlet channel is used for improving the exhaust speed and promoting the rapidity of air circulation; meanwhile, the replacement between the filtering pieces can be realized through the arranged filtering device and the at least two filtering pieces, the filtering effect is ensured, and the air exhaust efficiency is improved; thereby improving the ventilation efficiency.

Drawings

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

Fig. 1 is a schematic structural view of a laboratory ventilation system according to the present invention.

Fig. 2 is a sectional view of a ventilation system of a laboratory according to the present invention.

Fig. 3 is another sectional view of a ventilation system of a laboratory according to the present invention.

Fig. 4 is a schematic structural view of a replacement driving assembly of a ventilation system of a laboratory according to the present invention.

Fig. 5 is a schematic view of a filter assembly of a laboratory ventilation system according to the present invention.

Fig. 6 is a schematic view of a filter element of a laboratory ventilation system according to the present invention.

The reference numbers illustrate: 1-a ventilation main frame; 2-air supply cavity; 21-a first input channel; 211-a first blower fan; 22-a first output channel; 3-air exhaust cavity; 31-exhaust outlet channel; 311-gas concentration tester; 312-electrostatic pole; 313-an exhaust fan; 32-an exhaust inlet channel; 4-a filtration device; 41-a first telescopic cylinder; 411-first connecting rod; 42-a filter assembly; 421-a first support bracket; 4211-adjusting the inner cavity; 422-placing an inner frame; 423-a first rotating shaft; 424-filter element; 4241-a first mesh sheet; 4242-activated carbon; 4243-quartz sand; 4244-second mesh panel; 43-replace the drive assembly; 431-a second telescopic cylinder; 432-first connecting plate; 433-a rotating motor; 434-rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments 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 skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a ventilation system for laboratory.

As shown in fig. 1-2 and 3, in one embodiment of the present invention, the laboratory ventilation system; comprises a ventilation main frame 1; an air supply cavity 2 and an air exhaust cavity 3 are arranged in the ventilation main frame 1; a first input channel 21 and a first output channel 22 are arranged in the air supply cavity 2, and a first air supply fan 211 is arranged between the first input channel 21 and the first output channel 22; an air exhaust outlet channel 31 and an air exhaust inlet channel 32 are arranged in the air exhaust cavity 3, and an air exhaust fan 313 is arranged between the air exhaust outlet channel 31 and the air exhaust inlet channel 32; the ventilation main frame 1 is provided with a filtering device 4, the filtering device 4 is provided with at least two filtering pieces 424, and one of the filtering pieces 424 can move between the exhaust fan 313 and the exhaust air inlet passage 32.

The technical proposal of the utility model can ensure the fluency of air exhaust or air supply by adopting the air supply cavity and the air exhaust cavity; then, the air supply speed is increased through the first air supply fan between the first input channel and the first output channel, and the rapidity of air circulation is promoted; the exhaust fan between the exhaust outlet channel and the exhaust inlet channel is used for improving the exhaust speed and promoting the rapidity of air circulation; meanwhile, the replacement between the filtering pieces can be realized through the arranged filtering device and the at least two filtering pieces, the filtering effect is ensured, and the air exhaust efficiency is improved; thereby improving the ventilation efficiency.

Wherein, in some embodiments, as shown in fig. 1, the first input channel 21 is located at a top end of the ventilation main frame 1, and the first output channel 22 is located at a side end of the ventilation main frame 1; the exhaust air outlet passage 31 is located at a side end of the ventilation main frame 1, and the exhaust air inlet passage 32 is located at a side end of the ventilation main frame 1 and is located at a different side end from the first output passage 22. Can ensure the fluency of air exhaust or air supply, obtain more pure gas and better discharge away polluted gas.

Specifically, as shown in fig. 6, the filter 424 includes a first screen plate 4241, activated carbon 4242, quartz sand 4243 and a second screen plate 4244 arranged from top to bottom; the filtering efficiency can be further improved through the double filtering effect of the active carbon and the quartz sand, thereby avoiding the environmental pollution.

Specifically, as shown in fig. 2-3 and 5, a first support bracket 421 is provided in the filtering device 4, and the first support bracket 421 is used for being movably connected with the filtering element 424; in the present embodiment, as shown in fig. 5, the filter element 424 is movably connected in the first support bracket 421 through a first drawing shaft 423; an adjusting inner cavity 4211 is formed in the first support frame 421, and the filter elements 424 are symmetrically movably connected to the inner wall of the adjusting inner cavity 4211.

Specifically, be equipped with in the filter equipment 4 and change drive assembly 43, it is used for exchanging two to change drive assembly 43 adjust the position of filtering piece 424, can make the long-time or wearing and tearing of use filter the piece mutual adjustment through changing drive assembly drive adjustment for filter that the filter effect is better moves under the exhaust fan, provides filtration efficiency.

As shown in fig. 4, the replacement driving assembly 43 includes a second telescopic cylinder 431, a first connecting plate 432, a rotating motor 433, and a rotating rod 434, wherein a telescopic shaft of the second telescopic cylinder 431 is connected to an upper end of the first connecting plate 432, the rotating motor 433 is connected to a bottom end of the first connecting plate 432 and is connected to a first end of the rotating rod 434, and a second end of the rotating rod 434 can extend to an inner wall of the first drawing shaft 423 and is engaged with the first drawing shaft 423; make first traction shaft rotate through rotating motor drive and make the position of two filtration pieces exchange, improve filtration efficiency.

Specifically, as shown in fig. 2 and 3, the filter device 4 is connected to the side end of the ventilation main frame 1, and the filter member 424 is movably connected to the inside of the filter device 4; a first telescopic cylinder 41 is arranged in the filtering device 4; the first telescopic cylinder 41 is used to allow the filtering members 424 to move through the filtering device 4, the side end of the ventilation main frame 1 and under the exhaust fan 313.

Specifically, as shown in fig. 3, a first connecting rod 411 is disposed on the first telescopic cylinder 41, and a first end of the first connecting rod 411 is connected to the first support bracket 421.

Specifically, as shown in fig. 3, an electrostatic rod 312 is disposed in the exhaust outlet channel 31; dust of the discharged air is adsorbed by the electrostatic rod.

Specifically, as shown in fig. 3, a gas concentration tester 311 is disposed in the exhaust outlet channel 31; the filtering performance of the filtering piece is judged by testing the concentration of the gas in the air through the gas concentration tester, and whether the filtering piece is adjusted is judged according to the concentration.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A laboratory ventilation system is characterized by comprising a ventilation main frame; an air supply cavity and an air exhaust cavity are arranged in the ventilation main frame; a first input channel and a first output channel are arranged in the air supply cavity, and a first air supply fan is arranged between the first input channel and the first output channel; an air exhaust outlet channel and an air exhaust inlet channel are arranged in the air exhaust cavity, and an air exhaust fan is arranged between the air exhaust outlet channel and the air exhaust inlet channel; the ventilating main frame is provided with a filtering device, the filtering device is provided with at least two filtering pieces, and one of the filtering pieces can move to a position between the air exhaust fan and the air exhaust inlet channel.

2. The laboratory ventilation system of claim 1, wherein the filter member comprises a first mesh plate, activated carbon, silica sand, and a second mesh plate arranged from top to bottom.

3. A laboratory ventilation system according to claim 1 or 2, wherein a first support bracket is provided in the filter assembly, the first support bracket being adapted to be movably connected to the filter element.

4. The laboratory ventilation system of claim 3, wherein the filter element is movably coupled within the first support bracket by a first pull shaft; an adjusting inner cavity is formed in the first supporting bracket, and the filtering pieces are symmetrically and movably connected to the inner wall of the adjusting inner cavity.

5. The laboratory ventilation system of claim 4, wherein a replacement drive assembly is provided in the filter assembly, the replacement drive assembly being adapted to replace the filter elements.

6. The laboratory ventilation system of claim 5, wherein the replacement driving assembly comprises a second telescopic cylinder, a first connecting plate, a rotating motor and a rotating rod, a telescopic shaft of the second telescopic cylinder is connected with an upper end of the first connecting plate, the rotating motor is connected with a bottom end of the first connecting plate and connected with a first end of the rotating rod, and a second end of the rotating rod can extend to an inner wall of the first traction shaft and is clamped with the first traction shaft.

7. A laboratory ventilation system according to claim 3, wherein said filter means are attached to the side ends of said ventilation frame, said filter element being movably attached to the interior of said filter means; a first telescopic cylinder is arranged in the filtering device; the first telescopic cylinder is used for enabling the filtering pieces to move through the filtering device and the side end of the ventilation main frame and move to the position below the exhaust fan.

8. The laboratory ventilation system of claim 7, wherein the first telescopic cylinder is provided with a first connecting rod, and a first end of the first connecting rod is connected with the first support bracket.

9. The laboratory ventilation system of claim 1, wherein an electrostatic rod is disposed in the discharge air outlet passage.

10. The laboratory ventilation system of claim 1, wherein a gas concentration tester is provided in the discharge air outlet passage.

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