CN113695345A - Ventilation cabinet exhaust control system - Google Patents
Ventilation cabinet exhaust control system Download PDFInfo
- Publication number
- CN113695345A CN113695345A CN202111000306.3A CN202111000306A CN113695345A CN 113695345 A CN113695345 A CN 113695345A CN 202111000306 A CN202111000306 A CN 202111000306A CN 113695345 A CN113695345 A CN 113695345A
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- Prior art keywords
- air
- box
- control system
- exhaust
- exhaust control
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- 238000009423 ventilation Methods 0.000 title claims description 20
- 239000003517 fume Substances 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 4
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/005—Combined cooling and heating devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an exhaust control system of a fume hood, which comprises the fume hood, wherein a control panel is fixed on the side wall of the fume hood, an exhaust structure is arranged on one side of the fume hood, and one side of the exhaust structure is electrically connected with the control panel; and wherein purification, filter equipment can improve the inside sanitary clean condition of pipeline, and after reaching terminal fume chamber, can reduce the dust or other particulate matter content of the gas in the cabinet, reach sanitary effect of using.
Description
Technical Field
The invention relates to the field of a control system of a fume hood, in particular to an exhaust control system of a fume hood.
Background
The fume hood is generally used in laboratories, and mainly used for timely exhausting harmful gases generated in the laboratories and providing a common laboratory device with a power socket and a cleaning function required in the laboratories.
In chinese patent No. cn201220666389.x, a ventilation cabinet exhaust control system is introduced, in which under the action of a static pressure sensor and a micro-surface anemometer, a monitor can feed back according to different wind speeds and static pressure values, and control the opening and closing degree of a variable air volume regulating valve and the rotation speed of a fan in real time, so that the required wind speed of the operation surface of the ventilation cabinet can be always maintained according to the preset value inside the monitor, thereby avoiding large indoor temperature change caused by constant exhaust, increasing air conditioner energy consumption and high noise generated by constant continuous exhaust of the ventilation cabinet, and meanwhile, the provided ventilation cabinet exhaust control system is simple in structure, is suitable for being installed and used in various ventilation cabinets, has a wide application range, but is found by professional technicians in the field during operation: when using, current fume chamber exhaust system at first external wind regime inserts after, writes the dust that carries in the air and carries out the fume chamber, causes the influence to the normal use of the cabinet body, and secondly when using, the effect of heating and refrigeration is comparatively not suitable for, and the cost is higher, can not appoint the operation to single fume chamber, extravagant serious.
Disclosure of Invention
In order to overcome the defects of air quality problems and waste of use of an external air source in the prior art, the invention provides an exhaust control system of a ventilation cabinet.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a fume chamber exhaust control system, includes the fume chamber, the lateral wall of fume chamber is fixed with control panel, one side of fume chamber is provided with exhaust structure, one side and the control panel electric connection of exhaust structure.
As a preferred technical scheme of the invention, the air exhaust structure comprises an air pipe, a main air valve and a collection box, wherein the main air valve is arranged at one end of the air pipe, and the tail end of the air pipe is communicated with the interior of the collection box.
As a preferred technical scheme of the invention, the bottom end of the collection box is communicated with a cold air box and a hot air box, and the bottom ends of the cold air box and the hot air box are communicated with a plurality of groups of ventilation cabinets.
As a preferred technical scheme of the invention, a refrigerating module is arranged in the cold air box, and a heating module is arranged in the hot air box.
As a preferred technical scheme of the invention, each group of the fume hoods is internally provided with a final air valve, and the output ends of the cold air boxes and the hot air boxes are respectively provided with a secondary air valve.
As a preferable technical scheme of the invention, each group of the main air valve, the secondary air valve and the final air valve is electrically connected with the control panel.
As a preferred technical scheme of the invention, a gas pressurizing structure and a gas purifying and filtering device are arranged in the collection box, and the gas pressurizing structure is communicated with an external gas source.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the ventilation cabinet exhaust control system has the advantages that through the three-level air valve structure, a user can control the opening and closing of the main air supply structure through controlling the main air valve to achieve the quick effect, and achieve the grading control effect through controlling the secondary air valve, the user can select hot air or cold air according to the specific use requirement, and the last air valve can operate a single ventilation cabinet to achieve precise control and reduce the phenomenon of resource waste,
2. the ventilation cabinet exhaust control system is provided with the gas pressurizing, purifying and filtering devices, so that the bitter service guarantees that enough power passes through the filtering and purifying devices after gas enters the collection box in the use process, heat transfer is carried out in the hot air box and the cold air box, the effect is achieved, and finally the gas enters each ventilation cabinet to achieve the use effect; and wherein purification, filter equipment can improve the inside sanitary clean condition of pipeline, and after reaching terminal fume chamber, can reduce the dust or other particulate matter content of the gas in the cabinet, reach sanitary effect of using.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structural connection of the present invention;
fig. 3 is a block diagram of the structural connection of the present invention.
Wherein: 1. a fume hood; 2. a control panel; 3. an air exhaust structure; 31. an air duct; 32. a main air valve; 33. a collection box; 34. a secondary air valve; 35. a cold air box; 36. a final air valve; 37. a hot blast valve.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-3, the present invention provides an exhaust control system for a fume hood, which includes a fume hood 1, a control panel 2 fixed on a side wall of the fume hood 1, an exhaust structure 3 arranged on one side of the fume hood 1, and an electrical connection between one side of the exhaust structure 3 and the control panel 2.
In other embodiments, the exhaust structure 3 includes an air duct 31, a main air valve 32 and a collection box 33, the main air valve 32 is disposed at one end of the air duct 31, and the end of the air duct 31 communicates with the collection box 33.
After entering the air duct 31, the outside air enters the collecting box 33, is firstly treated by the air filtering and purifying device therein, is pressurized and introduced, and then enters the cold air box 35 and the hot air box 37, and a user can control the air valve 32, so that the air valve is convenient and practical.
In other embodiments, the bottom end of the collection box 33 is communicated with a cold air box 35 and a hot air box 37, and the bottom ends of the cold air box 35 and the hot air box 37 are communicated with the multiple groups of fume hoods 1.
The structures of the cold air box 35 and the hot air box 37 can be selected by a user according to specific use requirements, and the processed medium enters the fume hood 1 through the secondary air valve 34 to achieve the use effect.
In other embodiments, a cooling module is disposed in the cold air box 35, and a heating module is disposed in the hot air box 37.
The operation is convenient.
In other embodiments, a final air valve 36 is disposed in each group of fumehood 1, and secondary air valves 34 are disposed at the output ends of cold air box 35 and hot air box 37.
In other embodiments, each set of main damper 32, secondary damper 34, and final damper 36 is electrically connected to the control panel 2.
Through the tertiary blast gate structure that sets up, the user can reach opening and close of control air supply major structure through control total blast gate 32, reaches quick effect, through controlling inferior blast gate 34, reaches the effect of controlling in grades, to selecting hot-blast still cold wind, the user can select according to concrete use needs, and last end blast gate 36, the user can operate single fume chamber 1, reaches precision control, reduces the phenomenon of wasting of resources.
In other embodiments, a gas pressurizing structure and a gas purifying and filtering device are disposed in the collecting tank 33, and the gas pressurizing structure is communicated with an external gas source.
Through the arrangement of the gas pressurizing, purifying and filtering devices, the bitter guarantee that in the use process, after the gas enters the collecting box 33, enough power passes through the filtering and purifying devices, so that heat transfer is carried out in the hot air box 37 and the cold air box 35 to achieve the effect, and finally the gas enters each ventilation cabinet 1 to achieve the use effect; the purifying and filtering device can improve the sanitary and clean condition inside the pipeline, and after reaching the tail end fume hood 1, the content of dust or other particles in the air in the hood can be reduced, and the sanitary use effect is achieved.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a fume chamber exhaust control system, includes fume chamber (1), its characterized in that: the side wall of the ventilation cabinet (1) is fixed with a control panel (2), one side of the ventilation cabinet (1) is provided with an air exhaust structure (3), and one side of the air exhaust structure (3) is electrically connected with the control panel (2).
2. The ventilation hood exhaust control system according to claim 1, wherein: the air exhaust structure (3) comprises an air pipe (31), a main air valve (32) and a collection box (33), the main air valve (32) is arranged at one end of the air pipe (31), and the tail end of the air pipe (31) is communicated with the collection box (33).
3. A fumehood exhaust control system according to claim 2, wherein: the bottom end of the collection box (33) is communicated with a cold air box (35) and a hot air box (37), and the bottom ends of the cold air box (35) and the hot air box (37) are communicated with the multiple groups of ventilation cabinets (1).
4. A fumehood exhaust control system according to claim 3, wherein: a refrigerating module is arranged in the cold air box (35), and a heating module is arranged in the hot air box (37).
5. The ventilation hood exhaust control system according to claim 4, wherein: every group all be provided with end blast gate (36) in fume chamber (1), cold-blast box (35) with the output of hot-blast box (37) all is provided with time blast gate (34).
6. The ventilation hood exhaust control system of claim 5, wherein: and each group of the main air valve (32), the secondary air valve (34) and the final air valve (36) is electrically connected with the control panel (2).
7. A fumehood exhaust control system according to claim 3, wherein: and a gas pressurizing structure and a gas purifying and filtering device are arranged in the collection box (33), and the gas pressurizing structure is communicated with an external gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000306.3A CN113695345A (en) | 2021-08-30 | 2021-08-30 | Ventilation cabinet exhaust control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000306.3A CN113695345A (en) | 2021-08-30 | 2021-08-30 | Ventilation cabinet exhaust control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113695345A true CN113695345A (en) | 2021-11-26 |
Family
ID=78656382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111000306.3A Pending CN113695345A (en) | 2021-08-30 | 2021-08-30 | Ventilation cabinet exhaust control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113695345A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009287865A (en) * | 2008-05-30 | 2009-12-10 | Yurikai Co Ltd | Multiple load temperature control device in plant |
| CN206257781U (en) * | 2016-09-26 | 2017-06-16 | 苏州天弘益华机电有限公司 | A kind of laboratory multistage ventilated energy-saving control system |
| CN107062511A (en) * | 2017-06-29 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of distributed variable air rate supply air system and its control method |
| CN207307506U (en) * | 2017-08-25 | 2018-05-04 | 白银市三通锅炉设备有限公司 | A kind of open air dust environment friendly purification apparatus |
| CN109458690A (en) * | 2018-12-29 | 2019-03-12 | 山东省滨州市火努鸟新能源科技有限公司 | Centralized heat pump matches operating system with fresh air |
| CN208704097U (en) * | 2018-07-25 | 2019-04-05 | 东莞市鼎盛净化科技有限公司 | A kind of energy saving supply and exhaust device of cleaning laboratory |
| CN208952271U (en) * | 2018-08-27 | 2019-06-07 | 天长市万宏实验仪器设备有限公司 | A kind of Laboratory air purification system |
| CN211888357U (en) * | 2019-07-23 | 2020-11-10 | 雷柏特（南通）实验室***工程有限公司 | Air inlet system of laboratory ventilation cabinet |
| CN213090819U (en) * | 2020-10-12 | 2021-04-30 | 无锡爱森贝精密机械有限公司 | Ventilation mechanism for high-low temperature impact test |
| CN112797569A (en) * | 2020-12-31 | 2021-05-14 | 中天道成（苏州）洁净技术有限公司 | Multi-environment independent control method and system for ultrahigh precision laboratory |
-
2021
- 2021-08-30 CN CN202111000306.3A patent/CN113695345A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009287865A (en) * | 2008-05-30 | 2009-12-10 | Yurikai Co Ltd | Multiple load temperature control device in plant |
| CN206257781U (en) * | 2016-09-26 | 2017-06-16 | 苏州天弘益华机电有限公司 | A kind of laboratory multistage ventilated energy-saving control system |
| CN107062511A (en) * | 2017-06-29 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of distributed variable air rate supply air system and its control method |
| CN207307506U (en) * | 2017-08-25 | 2018-05-04 | 白银市三通锅炉设备有限公司 | A kind of open air dust environment friendly purification apparatus |
| CN208704097U (en) * | 2018-07-25 | 2019-04-05 | 东莞市鼎盛净化科技有限公司 | A kind of energy saving supply and exhaust device of cleaning laboratory |
| CN208952271U (en) * | 2018-08-27 | 2019-06-07 | 天长市万宏实验仪器设备有限公司 | A kind of Laboratory air purification system |
| CN109458690A (en) * | 2018-12-29 | 2019-03-12 | 山东省滨州市火努鸟新能源科技有限公司 | Centralized heat pump matches operating system with fresh air |
| CN211888357U (en) * | 2019-07-23 | 2020-11-10 | 雷柏特（南通）实验室***工程有限公司 | Air inlet system of laboratory ventilation cabinet |
| CN213090819U (en) * | 2020-10-12 | 2021-04-30 | 无锡爱森贝精密机械有限公司 | Ventilation mechanism for high-low temperature impact test |
| CN112797569A (en) * | 2020-12-31 | 2021-05-14 | 中天道成（苏州）洁净技术有限公司 | Multi-environment independent control method and system for ultrahigh precision laboratory |
Non-Patent Citations (1)
| Title |
|---|
| 丁云飞, 华南理工大学出版社 * |
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Application publication date: 20211126 |
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| RJ01 | Rejection of invention patent application after publication |