CN104984970B - A kind of inside and outside air-replenishing type ventilating cabinet - Google Patents
A kind of inside and outside air-replenishing type ventilating cabinet Download PDFInfo
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- CN104984970B CN104984970B CN201510301320.5A CN201510301320A CN104984970B CN 104984970 B CN104984970 B CN 104984970B CN 201510301320 A CN201510301320 A CN 201510301320A CN 104984970 B CN104984970 B CN 104984970B
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- plenum chamber
- air
- wind
- cabinet body
- deflector
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- 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
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- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of inside and outside air-replenishing type ventilating cabinet comprising hollow cabinet body, cabinet body side are open equipped with cabinet body, and cabinet body upper opening portion is equipped with glass vision panel；It is equipped with automatically controlled variable air rate exhaust valve at the top of cabinet body and automatically controlled variable air rate mends air-valve；Automatically controlled variable air rate mends air-valve side and is equipped with the high monitoring device of electronic gate, and the outside of cabinet body upper opening portion is equipped with outer benefit wind plenum chamber；The lower surface of cabinet body opening is equipped with air draught plenum chamber；Interior of the cabinet is equipped with deflector, interior of the cabinet space is divided into air draft plenum chamber, mends wind plenum chamber and mixing tank by deflector, air draft plenum chamber is connected with automatically controlled variable air rate exhaust valve, wind plenum chamber is mended to be connected with automatically controlled variable air rate benefit air-valve, mixing upper box part is connected to wind plenum chamber is mended, and mixing lower box part is connected to air draft plenum chamber；Air draft plenum chamber is connect with air draught plenum chamber by pipeline, is mended wind plenum chamber and is connect with the outer benefit wind plenum chamber by pipeline.Invention benefit wind is high-efficient, small on room conditioning influence, low energy consumption, investment is low with operating cost.
Description
Technical field
The present invention relates to vent cabinet technical fields, and in particular to a kind of benefit wind is high-efficient, influences small, energy consumption to room conditioning
Inside and outside air-replenishing type ventilating cabinet low, at low cost.
Background technique
Vent cabinet is an indispensable component part in laboratory ventilation design.In order to make laboratory worker not
It sucks or swallows into some chemical substances and organism toxic, can causing a disease or toxicity is unknown, should have in laboratory good
Ventilation.For the absorption for preventing some steams, gas and particle (smog, coal smoke, dust and aerosol), polluter must use ventilation
Cabinet, ventilator cowling or the method for local ventilation remove.It is logical that vent cabinet can be divided into an odd test vent cabinet, slit vent cabinet, bypass type
Wind cabinet, supplementary air type vent cabinet and natural ventilation type vent cabinet.
When vent cabinet is set to heating or has control to require room temperature and humidity, to save heating, air conditioning energy consumption is reduced,
It is known as supplementary air type vent cabinet by the way of outdoor is discharged after taking supply wind to recycle in cabinet from outdoor.For there is air conditioning system
The laboratory of system or Clean Operating Lab, be using supplementary air type vent cabinet it is highly desirable, not only save energy, but also do not influence indoor
Air current composition.
Air-replenishing type ventilating cabinet is divided into interior air-replenishing type ventilating cabinet and outer air-replenishing type ventilating cabinet at present.Interior air-replenishing type ventilating cabinet and outer
Air-replenishing type ventilating cabinet has some disadvantages in use:
Interior air-replenishing type ventilating cabinet: benefit air quantity is small, and benefit air quantity is up to the 60%(of exhaust air rate once more than 60%, vent cabinet
Interior toxic and harmful gas may be excessive), remaining increases room conditioning load 40% by indoor extraction.
Outer air-replenishing type ventilating cabinet: above its operating surface that outdoor fresh air handled without air-conditioning is sent to vent cabinet, shadow
The comfort of operator's operation is rung；Due to put before vent cabinet operating surface using fresh air with room conditioning wind mix after arrange again
The mode put considerably increases the load of air-conditioning.
Summary of the invention
In view of the above shortcomings of the prior art, that the object of the present invention is to provide a kind of benefit wind is high-efficient, to room conditioning shadow
Ring the inside and outside air-replenishing type ventilating cabinet small, low energy consumption, operating cost is low.
To solve problems of the prior art, the specific technical solution of use is:
A kind of inside and outside air-replenishing type ventilating cabinet, including cabinet body, are equipped with hollow space in the cabinet body, and the one of the hollow space
Side is open equipped with cabinet body, and the cabinet body upper opening portion is equipped with vertically moving glass vision panel；It is equipped at the top of the cabinet body automatically controlled
Variable air rate exhaust valve and automatically controlled variable air rate mend air-valve；The automatically controlled variable air rate mends air-valve side and is equipped with the high monitoring device of electronic gate,
The high monitoring device of electronic gate is electrically connected with the glass vision panel；The outside of the cabinet body upper opening portion is equipped with outer benefit wind static pressure
Case；The lower surface of the cabinet body opening is equipped with air draught plenum chamber；Deflector is equipped with inside the cabinet body hollow space, it is described to lead
Interior of the cabinet hollow space is divided into air draft plenum chamber, mends wind plenum chamber and mixing tank by flowing plate, the air draft plenum chamber with it is described
Automatically controlled variable air rate exhaust valve is connected, and the benefit wind plenum chamber mends air-valve with the automatically controlled variable air rate and is connected, the mixing upper box part
It is connected to wind plenum chamber is mended, the mixing lower box part is connected to the air draft plenum chamber；The air draft plenum chamber and air draught static pressure
Case is connected by pipeline, and the benefit wind plenum chamber is connect with the outer benefit wind plenum chamber by pipeline.
Preferred scheme, the deflector include vertical deflector, inclination deflector, bending deflector and mend wind water conservancy diversion
Plate；The vertical deflector is set to be open opposite side with the cabinet body, the inclination deflector and bending deflector with
The upper end of the vertical deflector is connected, the inside mended wind deflector and be located at cabinet body upper opening portion；The vertical deflector
Lower part is equipped with air inlet, and the mixing tank is connected by air inlet with the air draft plenum chamber, and the inclination deflector is by cabinet body
The top of inner hollow space is divided into air draft plenum chamber and mends wind plenum chamber, and the lower part for mending wind plenum chamber, which is equipped with, mends wind
Mouthful, the mixing tank is connected with the benefit wind plenum chamber by the wind-supplying mouth.
Further preferred scheme, the high monitoring device of electronic gate is interior to be equipped with detection plate, the detection plate and the electricity
Control variable air rate exhaust valve and automatically controlled variable air rate are mended air-valve and are electrically connected, and control the automatically controlled variable air rate exhaust valve and automatically controlled change wind
Amount mends the air force of air-valve.
By using above scheme, a kind of inside and outside air-replenishing type ventilating cabinet of the invention compared with prior art, is imitated by technology
Fruit is: the method that this vent cabinet is combined using mechanical structure with electronic control, so that benefit air quantity is reached the 90% of exhaust air rate, subtracts
Lack room conditioning load, reduced energy consumption, reduces lab construction investment and operating cost.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of inside and outside air-replenishing type ventilating cabinet of the present invention.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, below with reference to specific example, to the present invention
It is further described.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the invention.In addition,
Below in explanation, descriptions of well-known structures and technologies are omitted, so as not to unnecessarily obscure the concept of the present invention.
As shown in Figure 1,
A kind of inside and outside air-replenishing type ventilating cabinet, including cabinet body 1, the cabinet body 1 is interior to be equipped with hollow space, the hollow space
Side is equipped with cabinet body opening 2, and the cabinet body is open 2 tops equipped with vertically moving glass vision panel 3.The top of the cabinet body 1
Air-valve 5 is mended equipped with automatically controlled variable air rate exhaust valve 4 and automatically controlled variable air rate.The automatically controlled variable air rate mends 5 side of air-valve and is equipped with electronic gate
High monitoring device 6, the high monitoring device 6 of electronic gate is interior to be equipped with detection plate, the detection plate and the automatically controlled variable air rate air draft
Valve 4 and automatically controlled variable air rate are mended air-valve 5 and are electrically connected, and control the automatically controlled variable air rate exhaust valve 4 and automatically controlled variable air rate benefit air-valve 5
Air force.The high monitoring device 6 of electronic gate is electrically connected with the glass vision panel 3；The outside on 2 tops of the cabinet body opening
Equipped with outer benefit wind plenum chamber 7；The lower surface of the cabinet body opening 2 is equipped with air draught plenum chamber 8；Inside the cabinet body hollow space
Equipped with deflector 9, interior of the cabinet hollow space is divided into air draft plenum chamber 10, mends wind plenum chamber 11 and mixing by the deflector 9
Case 12, the air draft plenum chamber 10 are connected with the automatically controlled variable air rate exhaust valve 4, the benefit wind plenum chamber 11 and the automatically controlled change
Air quantity mends air-valve 5 and is connected, and the top of the mixing tank 12 is connected to benefit wind plenum chamber 11, the lower part of the mixing tank 12 with it is described
Air draft plenum chamber 10 is connected to；The air draft plenum chamber 10 is connect with air draught plenum chamber 8 by pipeline, the benefit wind plenum chamber 11 with
The outer benefit wind plenum chamber 7 is connected by pipeline.
The deflector 9 includes vertical deflector 91, inclination deflector 92, bending deflector 93 and mends wind deflector 94；
The vertical deflector 91 is set to and 2 opposite sides of cabinet body opening, the inclination deflector 92 and bending deflector 93
It is connected with the upper end of the vertical deflector 91, the inside mended wind deflector 94 and be located at 2 tops of cabinet body opening；It is described perpendicular
91 lower part of straight guide plate is equipped with air inlet 13, and the mixing tank 12 is connected by air inlet 13 with the air draft plenum chamber 10, institute
Inclination deflector 92 is stated the top of interior of the cabinet hollow space is divided into air draft plenum chamber 10 and mends wind plenum chamber 11, the benefit
The lower part of wind plenum chamber 11 is equipped with wind-supplying mouth 14, and the mixing tank 12 passes through 14 phase of wind-supplying mouth with the benefit wind plenum chamber 11
Even.
In Fig. 1, A is that slow speed vertical laminar flow mends wind；B is that high speed mends wind air curtain；C is that wind is mended outside low speed.
The operation principle of the present invention is that: fresh air mends air-valve 5 through automatically controlled variable air rate and is sent into benefit wind plenum chamber 11, partially in formation
Wind A and B are mended, remainder is entered after outer benefit wind static pressure box-shaped 7 is mixed at outer benefit wind C, C with room air by pipeline along cabinet body
Opening 2 enters vent cabinet, enters air draft plenum chamber 10 through piping by air draught plenum chamber 8 after mixing with part B, then by automatically controlled change
Air quantity exhaust valve 4 is discharged.The high monitoring device 6 of electronic gate acquires the height of glass vision panel 3 in real time, and automatically controlled variable air rate is controlled after calculating
Exhaust valve 4 and automatically controlled variable air rate mend the air quantity of air-valve 5, and A and part B pass through the vertical deflector 91 inside vent cabinet and enter air draft
Plenum chamber 10, then be discharged by automatically controlled variable air rate exhaust valve 4.A, B, C, between ratio by benefit wind plenum chamber 11 and outer benefit wind static pressure
The air-supply open area and position control of case 7.
The present invention will always be mended air quantity and be promoted to 90% by the way of outer benefit wind and the linkage of air draft real-time scale.Vent cabinet glass
It is provided with vertical high speed on the inside of glass form and mends air curtain, interior benefit elegance vertical laminar flow mode is the 70% of total exhaust air rate, outer benefit wind
Mouth is arranged on the outside of vent cabinet glass vision panel just nearby, with reduction and room conditioning wind incorporation time, reduces the shadow to air-conditioning
It rings, is the 20% of total exhaust air rate；There are electronic gate height detection device, total exhaust air rate=window opening height x window opening width
X3600x sets face wind speed x safety coefficient；Using variable air rate air-valve, following effect is reached by electronic control:
Air draft total amount: air quantity=100:70:20 interior benefit air quantity: is mended outside.
The foregoing is merely illustrative of the preferred embodiments of the present invention, the protection scope being not intended to limit the invention, it is all
Within the spirit and principles in the present invention, made any modification, is all included in the scope of protection of the present invention equivalent replacement.
Claims (1)
1. a kind of inside and outside air-replenishing type ventilating cabinet, including cabinet body, it is characterised in that: be equipped with hollow space in the cabinet body, it is described in
Absolutely empty side is open equipped with cabinet body, and the cabinet body upper opening portion is equipped with vertically moving glass vision panel；The cabinet body top
Portion is equipped with automatically controlled variable air rate exhaust valve and automatically controlled variable air rate mends air-valve；The automatically controlled variable air rate mends air-valve side and is equipped with electronic gate height
Monitoring device, the high monitoring device of electronic gate are electrically connected with the glass vision panel；The outside of the cabinet body upper opening portion is equipped with
Outer benefit wind plenum chamber；The lower surface of the cabinet body opening is equipped with air draught plenum chamber；It is equipped with and leads inside the cabinet body hollow space
Flowing plate, the deflector by interior of the cabinet hollow space be divided into air draft plenum chamber, mend wind plenum chamber and mixing tank, the air draft it is quiet
Pressure case is connected with the automatically controlled variable air rate exhaust valve, and the benefit wind plenum chamber mends air-valve with the automatically controlled variable air rate and is connected, described
Mixing upper box part is connected to wind plenum chamber is mended, and the mixing lower box part is connected to the air draft plenum chamber；The air draft plenum chamber
It is connect with air draught plenum chamber by pipeline, the benefit wind plenum chamber is connect with the outer benefit wind plenum chamber by pipeline；The electricity
It is equipped with detection plate, the detection plate and the automatically controlled variable air rate exhaust valve in the high monitoring device of cervical orifice of uterus and automatically controlled variable air rate mends air-valve
It is electrically connected；The deflector includes vertical deflector, inclination deflector, bending deflector and mends wind deflector；It is described vertical
Deflector is set to be open opposite side with the cabinet body, the inclination deflector and bending deflector with the vertical water conservancy diversion
The upper end of plate is connected, the inside mended wind deflector and be located at cabinet body upper opening portion；The vertical deflector lower part is equipped with air inlet
Mouthful, the mixing tank is connected by air inlet with the air draft plenum chamber, and the inclination deflector is by interior of the cabinet hollow space
Top be divided into air draft plenum chamber and mend wind plenum chamber, it is described mend wind plenum chamber lower part be equipped with wind-supplying mouth, the mixing tank
It is connected with the benefit wind plenum chamber by the wind-supplying mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510301320.5A CN104984970B (en) | 2015-06-04 | 2015-06-04 | A kind of inside and outside air-replenishing type ventilating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510301320.5A CN104984970B (en) | 2015-06-04 | 2015-06-04 | A kind of inside and outside air-replenishing type ventilating cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104984970A CN104984970A (en) | 2015-10-21 |
| CN104984970B true CN104984970B (en) | 2019-05-17 |
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ID=54296932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510301320.5A Active CN104984970B (en) | 2015-06-04 | 2015-06-04 | A kind of inside and outside air-replenishing type ventilating cabinet |
Country Status (1)
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| CN (1) | CN104984970B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151222A (en) * | 2016-12-05 | 2018-06-12 | 王楚平 | Supplementary air type exhaust gas cabinet |
| CN106424070A (en) * | 2016-12-06 | 2017-02-22 | 深圳市美宜佳机电设备有限公司 | Back closed type air exhaust unit ventilation cabinet |
| CN106768761B (en) * | 2016-12-30 | 2023-07-04 | 湖南联诚轨道装备有限公司 | Experiment wind cabinet of rail train traction diagonal flow fan |
| CN109248895A (en) * | 2018-07-17 | 2019-01-22 | 雷柏特（南通）实验室系统工程有限公司 | Vent cabinet under a kind of laboratory air-curtain type exhausting |
| CN109201685A (en) * | 2018-08-24 | 2019-01-15 | 苏州友裕精密科技有限公司 | A kind of vent cabinet can detecte air quantity |
| CN111618062A (en) * | 2020-05-20 | 2020-09-04 | 西安长庆科技工程有限责任公司 | Fume hood with simple tail gas treatment facility and tail gas treatment method |
| CN112473753B (en) * | 2020-11-16 | 2023-01-20 | 青岛海尔生物医疗股份有限公司 | Biological safety cabinet |
| CN113751453B (en) * | 2021-08-25 | 2022-11-25 | 苏州特福佳实验室系统工程有限公司 | Fume chamber with high-precision leveling function for laboratory |
| CN115889384B (en) * | 2023-02-20 | 2023-09-29 | 倚世节能科技（上海）有限公司 | Fume hood, ventilation method and computer readable storage medium |
| CN117046856B (en) * | 2023-10-12 | 2024-01-23 | 倚世节能科技（上海）有限公司 | Air quantity control method, exhaust cabinet and computer storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1139972A (en) * | 1966-01-18 | 1969-01-15 | Baird & Tatlock Ltd | Improvements relating to fume extraction apparatus |
| FR1545989A (en) * | 1967-11-14 | 1968-11-15 | Laboratory fume cupboard with compensated ventilation and gas washing incorporated | |
| GB2064100B (en) * | 1979-11-28 | 1984-02-15 | Jennings H G F | Fume cupboard |
| CN203018418U (en) * | 2012-12-06 | 2013-06-26 | 南京诺丹工程技术有限公司 | Air supplement type fume hood |
| CN203791316U (en) * | 2014-04-14 | 2014-08-27 | 北京成威博瑞实验室设备有限公司 | Self-adapting variable air volume ventilation cabinet |
| CN204996803U (en) * | 2015-06-04 | 2016-01-27 | 上海锐石工程技术有限公司 | Inside and outside benefit wind type fume chamber |
-
2015
- 2015-06-04 CN CN201510301320.5A patent/CN104984970B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104984970A (en) | 2015-10-21 |
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Effective date of registration: 20230330 Address after: Room 1019, Block B, Building 6, No. 768 Chenxiang Road, Jiading District, Shanghai, 201800 Patentee after: Shanghai Fuyu laboratory equipment Co.,Ltd. Address before: 200124, Room 307, Building 2, No. 338 Sanlin Road, Pudong New Area, Shanghai Patentee before: SHANGHAI REIC ENGINEERING TECHNOLOGY Co.,Ltd. |