CN108426340A - A kind of laboratory ventilation system - Google Patents
A kind of laboratory ventilation system Download PDFInfo
- Publication number
- CN108426340A CN108426340A CN201810224627.3A CN201810224627A CN108426340A CN 108426340 A CN108426340 A CN 108426340A CN 201810224627 A CN201810224627 A CN 201810224627A CN 108426340 A CN108426340 A CN 108426340A
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- China
- Prior art keywords
- laboratory
- air
- hole
- air hose
- ventilation system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0263—Insulation for air ducts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of laboratory ventilation systems, including laboratory, harvester, control device and regulating device, harvester is set in laboratory at center, harvester includes temperature sensor, humidity sensor, air flow sensor and smoke sensor device, control device includes processor and memory, regulating device includes two suction ventilators and two benefit wind turbines, the inner wall surrounding in laboratory is equipped with air hose, through-hole there are four being opened up on air hose, the air inlet of two benefit wind turbines is connected with the second through-hole and fourth hole of air hose respectively, the air intake of two suction ventilators is connected with the first through hole of air hose and third through-hole respectively, air duct there are two being also connected on air hose, the one end in air duct is connected through experiment chamber interior walls with air hose.Compared with prior art, wind or air draught are rationally mended according to the progress of the air quantity in laboratory, and carries out heating or the refrigeration of required temperature before entering laboratory to mixing wind, so that interior is reached pressure balance and temperature stabilization, meet the requirement of laboratory environment.
Description
Technical field
The present invention relates to laboratory equipment technical field more particularly to a kind of laboratory ventilation systems.
Background technology
At present large-scale experiment room due to exhaust air rate it is big, the problem of all there is indoor negative pressure is excessive and temperature bad control,
Since draught cupboard in laboratory and other exhaust equipments are more, cause indoor negative pressure bigger, some laboratories are not due to having benefit wind
Device or mend air quantity it is inadequate, wind can only be got in from gaps such as doorway, windows, cause indoor negative pressure excessive, to make door and
Window is difficult to open indoors;And traditional constant indoor temperature be heated or freezed to reach required temperature by air-conditioning, but
Winter, air-makeup system did not had heating device again in addition, so as to cause room is filled into since draught cupboard is directly discharged indoor hot-air
Interior air temperature is very low, and indoor temperature is caused to be unable to control, and wastes the energy of air-conditioning;Otherwise summer is also;Secondly tradition
The benefit wind that wind is all constant power is mended in laboratory, is not directed to each room exhaust air rate and is carried out rationally mending wind and not utilize rationally
The return air in part room carry out cycle mend wind, such as when some room equipment close after, still according to original air quantity into
Row mends wind so that indoor positive pressure is excessive, is unfavorable for the discharge of poisonous and harmful substance, as long as and entire company has when winter
The place in gap can all enter the wind, and all there is detrimental effect for personnel and equipment, and waste the effect of air-conditioning, and be directed to
The benefit wind devices used now lack fresh air purification device, the fresh air and return air filled into cannot be guaranteed to reach occupational exposure limit and
Room air requirement.Based on this, need to design a kind of laboratory ventilation system, to solve the above problems.
Invention content
It is an object of the invention to the negative pressure for overcoming the laboratory of the prior art to be formed during air draft and temperature fluctuations
Bigger deficiency provides a kind of laboratory ventilation system, to solve the above problems.
The present invention is achieved by the following technical solutions:
A kind of laboratory ventilation system, including laboratory, harvester, control device and regulating device, it is characterised in that:
The harvester, regulating device are connected with control device, and the harvester is set in laboratory at center, described
Harvester include temperature sensor, humidity sensor, air flow sensor and smoke sensor device, the control device includes
Processor and memory, the regulating device include two suction ventilators and two benefit wind turbines, and described two suction ventilators set up separately
In on the first side wall and third side wall in laboratory, the first side wall is parallel with third side wall, described two benefit wind
Machine is divided into the second sidewall and the 4th side wall in laboratory, and the second sidewall is parallel with the 4th side wall, the reality
The inner wall surrounding for testing room is equipped with air hose, is opened up on the air hose there are four through-hole, the air inlet of described two benefit wind turbines
It is connected respectively with the second through-hole and fourth hole of air hose, the air intake of described two suction ventilators is logical with the first of air hose respectively
Hole is connected with third through-hole, is also connected on the air hose there are two air duct, experiment chamber interior walls are run through in the one end in the air duct
It is connected with air hose.
Preferably, being also evenly distributed with heating tube on the inner wall in the air duct.
Preferably, being additionally provided with condenser pipe between the adjacent heating tube.
Preferably, being additionally provided with multiple fans in the top inner wall in the laboratory.
Preferably, the outlet air end of the suction ventilator is additionally provided with humidifier.
Preferably, the end in the air duct is additionally provided with activated charcoal strainer.
Preferably, being additionally provided with volume damper on the air duct.
Preferably, being additionally provided with insulating layer on the outer wall in the air duct.
Operation principle:When work, when air flow sensor detects that indoor air quantity is less than certain threshold value, send a signal to
Processor, processor instruction mends wind turbine and carries out benefit wind to laboratory, while temperature sensor detects indoor temperature, when the temperature of fresh air
When degree is higher than indoor, opens condenser pipe and cool down to fresh air, otherwise when the temperature of fresh air is less than interior, open condenser pipe pair
Fresh air heats up, while humidity sensor detects indoor humidity, when the humidity of fresh air is higher than interior, opens fan to fresh air
Wet down is carried out, otherwise when the humidity of fresh air is less than interior, unlatching humidifier to fresh air mend wet;When air flow sensor detects
When being higher than certain threshold value to indoor air quantity, processor is sent a signal to, processor indicates that suction ventilator carries out air draught to laboratory,
And air flow sensor is fed back by air quantity reasonably to mend wind to indoor by volume damper for detecting indoor air quantity
Or air draught, in addition, it is fresh air in order to make to get in or from indoor row to be additionally provided with activated charcoal strainer in the end in air duct
The fresh air gone out is all clean.
The present invention has the following advantages compared with prior art:The present invention is to provide a kind of ventilating system easy to operate, presses
Carry out rationally mending wind or air draught according to the air quantity in laboratory, and mixing wind is carried out before entering laboratory required temperature heating or
Refrigeration makes interior reach pressure balance and temperature stabilization, while not marking and humidifying by being arranged in humidity sensor, fan figure
Device meets the requirement of laboratory environment to maintain indoor wetting balance, in addition, the setting of smoke sensor device, in order to timely
Indoor smokescope is detected, when smokescope reaches certain threshold value, reminds experimenter to change laboratory in real time
Wind, to ensure the safety of laboratory worker.
Description of the drawings
Fig. 1 is a kind of vertical view of laboratory ventilation system laboratory part of the present invention;
Fig. 2 is a kind of block diagram of laboratory ventilation system of the present invention.
Wherein, the laboratories 1-, 2- harvesters, 3- control devices, 4- regulating devices, 5- temperature sensors, 6- humidity pass
Sensor, 7- air flow sensors, 8- smoke sensor devices, 9- processors, 10- memories, 11- suction ventilators, 12- mend wind turbine, 13- first
Side wall, 14- thirds side wall, 15- second sidewalls, the 4th side walls of 16-, 17- air hoses, 18a- first through hole, the second through-holes of 18b-,
18c- third through-holes, 18d- fourth holes, the air ducts 19-, 20- heating tubes, 21- condenser pipes, 22- insulating layers, 23- humidifiers, 24-
Activated charcoal strainer, 25- volume dampers.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
With reference to shown in attached drawing 1-2, a kind of laboratory ventilation system, including laboratory 1, harvester 2,3 and of control device
Regulating device 4, the harvester 2, regulating device 4 are connected with control device 3, and the harvester 2 is set to experiment
In room 1 at center, the harvester 2 includes temperature sensor 5, humidity sensor 6, air flow sensor 7 and smog sensing
Device 8, the control device 3 include processor 9 and memory 10, and the regulating device 4 includes two suction ventilators 11 and two
A benefit wind turbine 12, described two suction ventilators 11 are divided on the first side wall 13 and third side wall 14 in laboratory 1, and described
One side wall 13 is parallel with third side wall 14, and described two benefit wind turbines 12 are divided into the second sidewall 15 and the 4th in laboratory 1
On side wall 16, the second sidewall 15 is parallel with the 4th side wall 16, and the inner wall surrounding in the laboratory 1 is equipped with air hose
17, open up on the air hose 17 there are four through-hole, the air inlets of described two benefit wind turbines 12 respectively with air hose 17 second
Through-hole 18b is connected with fourth hole 18d, the air intakes of described two suction ventilators 11 respectively with the first through hole 18a of air hose 17
It is connected with third through-hole 18c, is also connected on the air hose 17 there are two air duct 19, experiment is run through in the one end in the air duct 19
1 inner wall of room is connected with air hose 17.
Preferably, being also evenly distributed with heating tube 20 on the inner wall in the air duct 19.
Preferably, being additionally provided with condenser pipe 21 between the adjacent heating tube 20.
Preferably, being additionally provided with multiple fans in the top inner wall in the laboratory 1.
Preferably, the outlet air end of the suction ventilator 11 is additionally provided with humidifier 1.
Preferably, the end in the air duct 19 is additionally provided with activated charcoal strainer 24.
Preferably, being additionally provided with volume damper 25 on the air duct 19.
Preferably, being additionally provided with insulating layer 22 on the outer wall in the air duct 19.
One embodiment of this programme is as follows:When work, when air flow sensor 7 detects that indoor air quantity is less than centainly
When threshold value, processor 9 is sent a signal to, the instruction of processor 9 mends wind turbine 12 and carries out benefit wind, while temperature sensor 5 to laboratory 1
Indoor temperature is detected, when the temperature of fresh air is higher than interior, condenser pipe 21 is opened and cools down to fresh air, otherwise when the temperature of fresh air
When degree is less than interior, opens condenser pipe 21 and heat up to fresh air, while humidity sensor 6 detects indoor humidity, when fresh air
When humidity is higher than interior, opens fan and wet down is carried out to fresh air, otherwise when the humidity of fresh air is less than interior, open humidifier 23
Fresh air mend wet;When air flow sensor 7 detects that indoor air quantity is higher than certain threshold value, processor 9 is sent a signal to,
Processor 9 indicates that suction ventilator 11 carries out air draught to laboratory 1, and air flow sensor 7 is for detecting indoor air quantity, passing through wind
Amount feedback to indoor by volume damper 25 reasonably to mend wind or air draught, in addition, being additionally provided with activity in the end in air duct 19
Charcoal filter screen 24 be fresh air in order to make to get in or from the fresh air of indoor discharge be all clean.
In conclusion the present invention is to provide a kind of ventilating system easy to operate, it is reasonable to be carried out according to the air quantity in laboratory
Wind or air draught are mended, and carries out heating or the refrigeration of required temperature before entering laboratory to mixing wind, so that interior is reached pressure flat
Weighing apparatus and temperature are stablized, while by the way that humidity sensor is arranged, does not mark in fan figure and humidifier, to maintain indoor humidity flat
Weighing apparatus, meets the requirement of laboratory environment, in addition, the setting of smoke sensor device, in order to detect indoor smokescope in time, when
When smokescope reaches certain threshold value, experimenter is reminded to carry out changing wind to laboratory in real time, to ensure laboratory work people
The safety of member.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (8)
1. a kind of laboratory ventilation system, including laboratory (1), harvester (2), control device (3) and regulating device (4),
It is characterized in that:The harvester (2), regulating device (4) are connected with control device (3), the harvester (2)
At laboratory (1) interior center, the harvester (2) includes temperature sensor (5), humidity sensor (6), air quantity biography
Sensor (7) and smoke sensor device (8), the control device (3) include processor (9) and memory (10), the adjusting
Device (4) includes two suction ventilators (11) and two benefit wind turbines (12), and described two suction ventilators (11) are divided into laboratory (1)
The first side wall (13) and third side wall (14) on, the first side wall (13) is parallel with third side wall (14), described
Two benefit wind turbines (12) are divided into the second sidewall (15) and the 4th side wall (16) of laboratory (1), the second sidewall
(15) parallel with the 4th side wall (16), the inner wall surrounding in the laboratory (1) is equipped with air hose (17), the air hose
(17) it is opened up on there are four through-hole, the air inlets of described two benefit wind turbines (12) the second through-hole with air hose (17) respectively
(18b) is connected with fourth hole (18d), the air intakes of described two suction ventilators (11) first through hole with air hose (17) respectively
(18a) is connected with third through-hole (18c), is also connected on the air hose (17) there are two air duct (19), the air duct (19)
One end be connected with air hose (17) through laboratory (1) inner wall.
2. a kind of laboratory ventilation system according to claim 1, it is characterised in that:On the inner wall in the air duct (19)
Also it is evenly distributed with heating tube (20).
3. a kind of laboratory ventilation system according to claim 2, it is characterised in that:The adjacent heating tube (20) it
Between be additionally provided with condenser pipe (21).
4. a kind of laboratory ventilation system according to claim 1, it is characterised in that:The top in the laboratory (1)
Multiple fans are additionally provided on inner wall.
5. a kind of laboratory ventilation system according to claim 1, it is characterised in that:The outlet air of the suction ventilator (11)
End is additionally provided with humidifier (1).
6. a kind of laboratory ventilation system according to claim 1, it is characterised in that:The end in the air duct (19) is also
Equipped with activated charcoal strainer (24).
7. a kind of laboratory ventilation system according to claim 6, it is characterised in that:It is additionally provided on the air duct (19)
Volume damper (25).
8. a kind of laboratory ventilation system according to claim 6, it is characterised in that:On the outer wall in the air duct (19)
It is additionally provided with insulating layer (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810224627.3A CN108426340A (en) | 2018-03-19 | 2018-03-19 | A kind of laboratory ventilation system |
Applications Claiming Priority (1)
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CN201810224627.3A CN108426340A (en) | 2018-03-19 | 2018-03-19 | A kind of laboratory ventilation system |
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CN108426340A true CN108426340A (en) | 2018-08-21 |
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CN201810224627.3A Pending CN108426340A (en) | 2018-03-19 | 2018-03-19 | A kind of laboratory ventilation system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109708196A (en) * | 2018-12-18 | 2019-05-03 | 安徽中科智联实验室工程技术有限公司 | A kind of safe purification system of Laboratory air |
CN112815440A (en) * | 2021-01-07 | 2021-05-18 | 广东金鑫净化科技股份有限公司 | Air volume balancing system for medical PCR laboratory |
CN113865030A (en) * | 2021-09-30 | 2021-12-31 | 胡晓晴 | Indoor air pressure adjusting method and device |
Citations (3)
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CN104456820A (en) * | 2014-12-10 | 2015-03-25 | 安徽金鑫实验设备科技有限公司 | Laboratory ventilation system |
CN206191819U (en) * | 2016-11-16 | 2017-05-24 | 杭州佰朗实验室设备科技有限公司 | Energy -conserving ventilation system in laboratory |
CN206973806U (en) * | 2017-03-09 | 2018-02-06 | 青岛谱尼测试有限公司 | A kind of laboratory ventilation system |
-
2018
- 2018-03-19 CN CN201810224627.3A patent/CN108426340A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104456820A (en) * | 2014-12-10 | 2015-03-25 | 安徽金鑫实验设备科技有限公司 | Laboratory ventilation system |
CN206191819U (en) * | 2016-11-16 | 2017-05-24 | 杭州佰朗实验室设备科技有限公司 | Energy -conserving ventilation system in laboratory |
CN206973806U (en) * | 2017-03-09 | 2018-02-06 | 青岛谱尼测试有限公司 | A kind of laboratory ventilation system |
Non-Patent Citations (1)
Title |
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中国计量出版社: "《新编电子电路大全 第4卷 测量与传感电路》", 31 January 2001 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109708196A (en) * | 2018-12-18 | 2019-05-03 | 安徽中科智联实验室工程技术有限公司 | A kind of safe purification system of Laboratory air |
CN112815440A (en) * | 2021-01-07 | 2021-05-18 | 广东金鑫净化科技股份有限公司 | Air volume balancing system for medical PCR laboratory |
CN113865030A (en) * | 2021-09-30 | 2021-12-31 | 胡晓晴 | Indoor air pressure adjusting method and device |
CN113865030B (en) * | 2021-09-30 | 2023-09-19 | 胡晓晴 | Indoor air pressure adjusting method and device |
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Application publication date: 20180821 |
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