CN211386232U - Laboratory ventilation system - Google Patents
Laboratory ventilation system Download PDFInfo
- Publication number
- CN211386232U CN211386232U CN201922150206.3U CN201922150206U CN211386232U CN 211386232 U CN211386232 U CN 211386232U CN 201922150206 U CN201922150206 U CN 201922150206U CN 211386232 U CN211386232 U CN 211386232U
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- Prior art keywords
- air inlet
- ventilation system
- air
- laboratory ventilation
- air outlet
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- 238000009423 ventilation Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 239000003517 fume Substances 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention provides a laboratory ventilation system which comprises an indoor air inlet system and an indoor air outlet system, wherein monitoring nodes are arranged on the air outlet end of the air inlet system and the air inlet end of the air inlet system, a room pressure difference controller is connected between the two monitoring nodes, and a plurality of ventilation cabinets are connected in the air outlet system. The invention provides a ventilation system for a laboratory, which controls the ventilation state in a room through a pressure difference controller, provides a safe detection environment for the environment of the laboratory, and exhausts harmful gas in the laboratory out of the room as soon as possible on the premise of energy conservation and environmental protection.
Description
Technical Field
The invention relates to the field of laboratory ventilation, in particular to a laboratory ventilation system.
Background
The prior art does not pay much attention to laboratory ventilation. Some people can adopt a fresh air system and the like to make indoor air cleaner. However, in many laboratories, the generated waste gas needs to be discharged out of the room in time to prevent harmful air from invading the upper respiratory tract of workers for a long time. If the laboratory is continuously pumped, but the air cannot be supplemented in time, a space environment which is not suitable for working is formed.
Disclosure of Invention
The invention provides a laboratory ventilation system, which solves the problems in the prior art.
The technical scheme of the invention is realized as follows:
the laboratory ventilation system comprises an indoor air inlet system and an indoor air outlet system, monitoring nodes are arranged at the air outlet end of the air inlet system and the air inlet end of the air inlet system, a room pressure difference controller is connected between the two monitoring nodes, and a plurality of ventilation cabinets are connected in the air outlet system.
As a preferable scheme of the invention, the air inlet system comprises a main air inlet pipe penetrating through an air inlet wall body, and the indoor free end of the main air inlet pipe is connected with a main air outlet cover.
As a preferable scheme of the invention, the indoor section of the main air inlet pipe is provided with an air inlet pump and a flow control valve.
As a preferred scheme of the present invention, the air outlet system includes an air outlet duct penetrating through the air outlet wall.
As a preferred scheme of the invention, a plurality of test air inlets are connected in parallel on the air outlet pipeline, and the test air inlets are connected with control valves.
As the preferred scheme of the invention, the fume hood is fixedly connected with the corresponding test air inlet according to requirements.
As a preferred scheme of the invention, the middle part of the fume hood is provided with a test bed, the air inlet end of the fume hood is arranged at the bottom of the whole machine, and the air outlet end of the fume hood is arranged at the top of the whole machine.
As a preferable scheme of the invention, a spring lifting plate is arranged above the inside of the test bed, and four corners of the spring lifting plate are fixedly connected with the bottom surface of the test bed through springs.
In a preferred embodiment of the present invention, a displacement sensor is connected to a side of the spring lifting plate.
In a preferred embodiment of the present invention, a wind speed sensor is fixed inside the test stand.
Has the advantages that:
the laboratory ventilation system comprises an indoor air inlet system and an indoor air outlet system, monitoring nodes are arranged at the air outlet end of the air inlet system and the air inlet end of the air inlet system, a room pressure difference controller is connected between the two monitoring nodes, and a plurality of ventilation cabinets are connected in the air outlet system. The invention provides a ventilation system for a laboratory, which controls the ventilation state in a room through a pressure difference controller, provides a safe detection environment for the environment of the laboratory, and exhausts harmful gas in the laboratory out of the room as soon as possible on the premise of energy conservation and environmental protection.
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 description of the embodiments or the prior art will be briefly described below, and 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 these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
In the figure, an air inlet system 1, an air outlet system 2, an air inlet wall 3, an air outlet wall 4, a room pressure difference controller 5, a fume hood 6, a test bed 61, a spring lifting plate 62, a displacement sensor 63, a spring 64, an air speed sensor 65, an air outlet pipeline 7, a control valve 71, a test air inlet 72, a main air inlet pipe 8 and a main air outlet cover 81.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The laboratory ventilation system shown in fig. 1 comprises an indoor air inlet system 1 and an indoor air outlet system 2, monitoring nodes are arranged on an air outlet end of the air inlet system and an air inlet end of the air inlet system, a room pressure difference controller is connected between the two monitoring nodes, and a plurality of ventilation cabinets 6 are connected in the air outlet system 2.
The air inlet system 1 comprises a main air inlet pipe 8 penetrating through the air inlet wall body 3, and the indoor free end of the main air inlet pipe 8 is connected with a main air outlet cover 81.
An air inlet pump and a flow control valve are arranged at the indoor section of the main air inlet pipe 8.
The air outlet system 2 comprises an air outlet pipeline 7 penetrating through the air outlet wall 4.
The air outlet pipeline 7 is connected in parallel with a plurality of test air inlets 72, and the test air inlets 72 are connected with control valves 71.
The fume hood 6 is fixedly connected with the corresponding test air inlet 72 according to requirements.
The middle part of the fume hood 6 is provided with a test bed 61, the air inlet end of the fume hood 6 is arranged at the bottom of the whole machine, and the air outlet end of the fume hood 6 is arranged at the top of the whole machine.
A spring lifting plate 62 is arranged above the inner portion of the test bed 61, and four corners of the spring lifting plate 62 are fixedly connected with the bottom surface of the test bed 61 through springs 64.
A displacement sensor 63 is connected to the side of the spring elevating plate 62.
A wind speed sensor 65 is fixed inside the test stand 61.
The system is connected with a master control device, the master control device comprises a control circuit, a power supply circuit, an MCU and a signal receiving and transmitting device which are connected, the prior art is adopted, and the specific structure is not repeated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. Laboratory ventilation system, including air inlet system (1) and air-out system (2) indoor, its characterized in that, air-out end and the air inlet of air inlet system are served and are equipped with the monitoring node, are connected with room pressure difference controller between two monitoring nodes, a plurality of fume hoods (6) of connecting in the air-out system (2).
2. Laboratory ventilation system according to claim 1, characterized in that the air inlet system (1) comprises a main air inlet duct (8) extending through the air inlet wall (3), the indoor free end of the main air inlet duct (8) being connected with a main air outlet hood (81).
3. Laboratory ventilation system according to claim 2, characterized in that the main air inlet duct (8) chamber interior section is equipped with an air inlet pump and a flow control valve.
4. Laboratory ventilation system according to claim 1, characterized in that the air outlet system (2) comprises an air outlet duct (7) extending through the air outlet wall (4).
5. The laboratory ventilation system according to claim 4, wherein a plurality of test air inlets (72) are connected in parallel to the air outlet duct (7), and a control valve (71) is connected to the test air inlets (72).
6. Laboratory ventilation system according to claim 5, characterized in that the fume hood (6) is attached to the corresponding test air inlet (72) as required.
7. The laboratory ventilation system according to claim 1 or 6, wherein a test bed (61) is arranged in the middle of the fume hood (6), the air inlet end of the fume hood (6) is arranged at the bottom of the whole machine, and the air outlet end of the fume hood (6) is arranged at the top of the whole machine.
8. The laboratory ventilation system according to claim 7, wherein a spring lifting plate (62) is arranged above the inside of the test bed (61), and four corners of the spring lifting plate (62) are fixedly connected with the bottom surface of the test bed (61) through springs (64).
9. Laboratory ventilation system according to claim 8, characterized in that a displacement sensor (63) is connected to the side of the spring lifting plate (62).
10. Laboratory ventilation system according to claim 7, characterized in that a wind speed sensor (65) is fixed inside the test bench (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150206.3U CN211386232U (en) | 2019-12-03 | 2019-12-03 | Laboratory ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150206.3U CN211386232U (en) | 2019-12-03 | 2019-12-03 | Laboratory ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211386232U true CN211386232U (en) | 2020-09-01 |
Family
ID=72219696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922150206.3U Expired - Fee Related CN211386232U (en) | 2019-12-03 | 2019-12-03 | Laboratory ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211386232U (en) |
-
2019
- 2019-12-03 CN CN201922150206.3U patent/CN211386232U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20211203 |