CN109838863A - A kind of dynamic indoor pressure regulating system - Google Patents
A kind of dynamic indoor pressure regulating system Download PDFInfo
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- CN109838863A CN109838863A CN201711216610.5A CN201711216610A CN109838863A CN 109838863 A CN109838863 A CN 109838863A CN 201711216610 A CN201711216610 A CN 201711216610A CN 109838863 A CN109838863 A CN 109838863A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 18
- 230000001276 controlling effect Effects 0.000 claims abstract 2
- 239000000779 smoke Substances 0.000 claims description 24
- 238000005259 measurement Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000010411 cooking Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007914 intraventricular administration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
A kind of dynamic indoor pressure regulating system, comprising: at least one blower actively entered the wind, the blower include the air volume control switch for controlling blower opening and closing and air force；Detect the differential pressure pickup of indoor pressure outside difference；The control unit being connected with the blower and differential pressure pickup, the indoor and outdoor differential pressure data which measures according to differential pressure pickup, dynamic control air volume control switch, enter the wind blower actively, keep pre-set indoor and outdoor pressure difference.By using above-mentioned dynamic indoor pressure regulating system, the pressure in entire room can be made to be in micro-positive pressure power state, guarantee that the pm2.5 in application does not diffuse into other rooms, harm of effective pollution abatement air to human body.
Description
Technical field
The present invention relates to household appliance technical fields, and in particular to a kind of dynamic indoor pressure regulating system.
Background technique
In the room for being mounted with normal pressure fresh air system, if cooking cooks and opens smoke exhaust ventilator, room will appear
Pm2.5 rises violently, and does after meal, and fresh air slowly can slowly be reduced to indoor pm2.5 0 or very low again, as shown in Figure 1.It does
After meal smoke exhaust ventilator is opened, kitchen will form strong negative pressure, negative pressure can be transmitted to bedroom parlor etc., indoor micro-positive pressure is caused to disappear
Lose, the pollutant in kitchen can also be diffused into interior therewith, outdoor pollution air also due to indoor negative pressure and immediately wick into interior.
Even if indoor location fresh air system, the intake of fresh air is also with regard to 500 to 600, but smoke exhaust ventilator can have 1500 air quantity, complete
It is fought completely without method.
There is the problem of a kind of method can solve kitchen, when being exactly that stir-frying in kitchen opens smoke exhaust ventilator, backstairs is closed,
Kitchen window is opened greatly, and kitchen pressure can be thus balanced, but in this way and inconvenient, especially in arctic weather, will cause
Room temperature decline.
Existing kitchen considers filling into for fresh air when using smoke exhaust ventilator, but it mainly considers after filling into filtering
Air for user breathe, intake be not able to satisfy balance smoke exhaust ventilator air draft caused by air loss, do not account for yet
The pressure difference of dynamic regulation indoor and outdoors makes indoor air pressure is micro- to be greater than pressure outside, maintains normal pressure state.
Summary of the invention
The present invention keeps the room in kitchen to solve the above problems, overcome the problems, such as that existing kitchen pollution object is diffused into interior
Interior pressure outside is poor, provides a kind of dynamic indoor pressure regulating system.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of dynamic indoor pressure regulating system, the pressure regulating system include:
At least one blower actively entered the wind, the blower include that the opening and closing of control blower and the Boiler pressure control of air force are opened
It closes；
Detect the differential pressure pickup of indoor pressure outside difference；
The control unit being connected with the blower and differential pressure pickup, the room which measures according to differential pressure pickup
Interior pressure outside difference data, dynamic control air volume control switch, enter the wind blower actively, and pre-set indoor and outdoor is kept to press
Power is poor.
Preferably, which does not have filter device.
Preferably, which includes blade, and blade controls air force by changing air inlet angle or changing revolving speed.
Preferably, indoor and outdoor pressure difference is divided into different grades, is corresponded to according to the different brackets of pressure difference different
Intake volume order of magnitude.
Preferably, A=room pressure/pressure outside is enabled, when 0 < A≤50%, corresponding intake volume grade is 1 grade；50%
When < A≤70%, corresponding intake volume grade is 2 grades；When 70% < A≤90%, corresponding intake volume grade is 3 grades；90%
When < A≤105%, corresponding intake volume grade is 4 grades；As A > 105%, air volume control switch closes blower；Intake volume
Size is gradually reduced from 1-4 grades.
Preferably, control unit have careat acquisition module and computing module, computing module according to careat with
And the indoor and outdoor pressure difference calculating of real-time measurement reaches within a certain period of time required for pre-set indoor and outdoor pressure difference
Unit time intake, control unit according to calculated result dynamic control air volume control switch.
Preferably, the careat acquisition module is manually entered careat after mounting by user and saved, and is needed
New area and preservation are re-entered after resetting area when change.
Preferably, which matches with smoke exhaust ventilator, is mounted on smoke exhaust ventilator or near smoke exhaust ventilator.
Preferably, which further includes air filter and PM2.5 detection device, when detecting that PM2.5 value is more than
When preset value, control unit control starting air filter.
Above-mentioned technical proposal of the invention has following beneficial technical effect:
(1) guarantee that the pm2.5 in application does not diffuse into other rooms, also can guarantee the micro-positive pressure power in entire room
State；
(2) do not have filter device in system, it is only necessary to play the role of air inlet, simplied system structure reduces production cost；
(3) real-time measurement indoor and outdoor pressure, according to measurement result, dynamic adjusts blower intake, presses indoor and outdoor
Power difference keeps constant value；
(4) it can choose setting air filter, application is effectively reduced in the fresh air for keeping the air inlet of blower clean
PM2.5 in occasion, harm of the pollution abatement air to human body.
Detailed description of the invention
Fig. 1 is the PM2.5 measured value schematic diagram in kitchen in the prior art；
Fig. 2 is dynamic indoor pressure regulating system and the matching used structural schematic diagram of smoke exhaust ventilator；
Appended drawing reference:
1: blower；2: air volume control switch；3: differential pressure pickup；4: control unit；5: smoke exhaust ventilator.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
As shown in Fig. 2, a kind of dynamic indoor pressure regulating system includes: at least one blower 1 actively entered the wind, the blower
The differential pressure pickup 3 of the indoor pressure outside difference of air volume control switch 2, detection including the opening and closing of control blower and air force；With
The control unit 4 that the blower 1 is connected with differential pressure pickup 3, the indoor room which measures according to differential pressure pickup 3
External pressure difference data, dynamic control air volume control switch 2, enter the wind blower 1 actively, keep pre-set indoor and outdoor pressure
Difference.Under normal circumstances, room pressure is more slightly higher than pressure outside, and indoor and outdoor pressure difference pre-set in this way is positive value.
The dynamic indoor pressure regulating system is used for kitchen, matches with smoke exhaust ventilator 5, when cooking needs to open oil pumping
When smoke machine 5, air is since the powerful suction of smoke exhaust ventilator is arranged by the blower of smoke exhaust ventilator to outdoor, the at this moment air in kitchen
Pressure rapid decrease, differential pressure pickup 3 sense the decline of room pressure, reach preset difference with pressure outside, then
The blower that control unit 4 controls dynamic indoor pressure regulating system is opened, and air fills into interior by pressure regulating system, makes room
Interior air pressure rises rapidly, and the difference measured according to pressure difference transducer, and control unit controls air volume control switch, makes
Blower introduces the speed dynamic change of air, reaches indoor normal pressure state as early as possible.
When cooking, the PM2.5 moment in kitchen is raised to very high numerical value, and at this moment outdoor air PM2.5 value necessarily compares
Numerical value in kitchen wants low, it is therefore not necessary to be filtered to the blower air that actively air inlet is introduced, outdoor air directly passes through leaf
Piece enters the room, i.e., the blower does not have filter device, it is only necessary to play the role of air inlet, setting in this way can simplify system structure,
Reduce production cost.
Specific embodiment shown in Fig. 2 is the case where dynamic indoor pressure regulating system is provided separately with smoke exhaust ventilator,
Pressure regulating system can be integrated on smoke exhaust ventilator, need two individual ventilation shafts and blower in this way, one is used to
Air inlet, another is used to be vented.
Air volume control switch is used to control the on and off of blower, and controls air force.The blower includes leaf
Piece, blade control air force by changing air inlet angle or changing revolving speed.
Indoor and outdoor pressure difference is divided into different grades in one of the embodiments, according to the difference etc. of pressure difference
The corresponding different intake volume order of magnitude of grade.For example, enable A=room pressure/pressure outside, when 0 < A≤50%, it is corresponding into
Wind air quantity grade is 1 grade；When 50% < A≤70%, corresponding intake volume grade is 2 grades；When 70% < A≤90%, it is corresponding into
Wind air quantity grade is 3 grades；When 90% < A≤105%, corresponding intake volume grade is 4 grades；As A > 105%, Boiler pressure control
Switch closes blower；Intake volume size is gradually reduced from 1-4 grades.
In another specific embodiment, control unit has careat acquisition module and computing module, indoor surface
Product acquisition module is used to acquire the area at the place of interior applied by intraventricular pressure draught control system, can be by user's hand after mounting
Dynamic input careat simultaneously saves, and re-enters new area and preservation after resetting area when needing to change.Computing module according to
The indoor and outdoor pressure difference (it is possible thereby to the size for calculating room pressure) of careat and real-time measurement, will keep presetting
Indoor and outdoor pressure difference, how many intake needed, and in order to reach above-mentioned pressure difference within a certain period of time, in the unit time
Intake can then calculate.Under normal circumstances, chamber height is calculated according to 3m or 2.5m.Control unit is according to above-mentioned meter
Intake result dynamic control air volume control switch in the unit time of calculation, reaches its intake and keeps preset room
The dynamic equilibrium of interior pressure outside difference.
One concrete application occasion of the dynamic indoor pressure regulating system is to be applied in kitchen, with smoke exhaust ventilator
It matches, is mounted on smoke exhaust ventilator or near smoke exhaust ventilator.When cooking, even if smoke exhaust ventilator is opened, but PM2.5
Numerical value can also rise violently to very high moment, long-term to suck the higher gas of PM2.5 content, there is certain danger to the body of cooking people
Evil.It is thereby possible to select air filter and PM2.5 detection device are arranged on this system, when PM2.5 detection device is examined
When measuring PM2.5 value more than preset value, control unit control starting air filter enters kitchen by blower in this way
The air in room is filtered fresh, clean air, can have and neutralize the higher pollution air of PM2.5 content, make the number of PM2.5
Value is declined.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (9)
1. a kind of dynamic indoor pressure regulating system, which is characterized in that the pressure regulating system includes:
At least one blower actively entered the wind, the blower include the air volume control switch for controlling blower opening and closing and air force；
Detect the differential pressure pickup of indoor pressure outside difference；
The control unit being connected with the blower and differential pressure pickup, the indoor room which measures according to differential pressure pickup
External pressure difference data, dynamic control air volume control switch, enter the wind blower actively, keep pre-set indoor and outdoor pressure
Difference.
2. system according to claim 1, it is characterised in that: the blower does not have filter device.
3. system according to claim 1, it is characterised in that: the blower includes blade, and blade is by changing air inlet angle
Or change revolving speed to control air force.
4. system according to claim 1, it is characterised in that: indoor and outdoor pressure difference is divided into different grades, according to
The different brackets of pressure difference corresponds to different intake volume order of magnitude.
5. system according to claim 4, it is characterised in that: enable A=room pressure/pressure outside, when 0 < A≤50%,
Corresponding intake volume grade is 1 grade；When 50% < A≤70%, corresponding intake volume grade is 2 grades；When 70% < A≤90%,
Corresponding intake volume grade is 3 grades；When 90% < A≤105%, corresponding intake volume grade is 4 grades；As A > 105%, wind
It measures control switch and closes blower；Intake volume size is gradually reduced from 1-4 grades.
6. system according to claim 1, it is characterised in that: control unit has careat acquisition module and calculates mould
Block, computing module reaches within a certain period of time according to the calculating of the indoor and outdoor pressure difference of careat and real-time measurement to be set in advance
Unit time intake required for the indoor and outdoor pressure difference set, control unit is according to calculated result dynamic control Boiler pressure control
Switch.
7. system according to claim 6, it is characterised in that: the careat acquisition module is by user's hand after mounting
Dynamic input careat simultaneously saves, and re-enters new area and preservation after resetting area when needing to change.
8. system according to claim 1, it is characterised in that: the system is matched with smoke exhaust ventilator, is mounted on oil pumping
On smoke machine or near smoke exhaust ventilator.
9. system according to claim 8, it is characterised in that: the system further includes air filter and PM2.5 inspection
Device is surveyed, when detecting that PM2.5 value is more than preset value, control unit control starting air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216610.5A CN109838863A (en) | 2017-11-28 | 2017-11-28 | A kind of dynamic indoor pressure regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216610.5A CN109838863A (en) | 2017-11-28 | 2017-11-28 | A kind of dynamic indoor pressure regulating system |
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| Publication Number | Publication Date |
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| CN109838863A true CN109838863A (en) | 2019-06-04 |
Family
ID=66881073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711216610.5A Pending CN109838863A (en) | 2017-11-28 | 2017-11-28 | A kind of dynamic indoor pressure regulating system |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399345A (en) * | 2020-04-09 | 2020-07-10 | 中国科学院微电子研究所 | Air pressure control system and method for photoetching process and gluing and developing system |
| CN111750476A (en) * | 2020-06-24 | 2020-10-09 | 深圳市巨鼎医疗设备有限公司 | Negative pressure control method and device, storage medium and isolation ward |
| CN112702883A (en) * | 2019-10-22 | 2021-04-23 | 株洲中车时代电气股份有限公司 | Heat dissipation circulation system of traction converter of alternating-current transmission locomotive |
| CN113566386A (en) * | 2021-07-13 | 2021-10-29 | 广州云山技术有限公司 | Indoor fresh air control method capable of dynamically regulating pressure |
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| CN104635778A (en) * | 2015-01-12 | 2015-05-20 | 国家电网公司 | Method for maintaining indoor micro-positive pressure control of transformer substation |
| CN104833035A (en) * | 2015-03-18 | 2015-08-12 | 北京金鼎达科技发展有限公司 | Intelligent air purification system and intelligent air purification method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112702883A (en) * | 2019-10-22 | 2021-04-23 | 株洲中车时代电气股份有限公司 | Heat dissipation circulation system of traction converter of alternating-current transmission locomotive |
| CN111399345A (en) * | 2020-04-09 | 2020-07-10 | 中国科学院微电子研究所 | Air pressure control system and method for photoetching process and gluing and developing system |
| CN111750476A (en) * | 2020-06-24 | 2020-10-09 | 深圳市巨鼎医疗设备有限公司 | Negative pressure control method and device, storage medium and isolation ward |
| CN113566386A (en) * | 2021-07-13 | 2021-10-29 | 广州云山技术有限公司 | Indoor fresh air control method capable of dynamically regulating pressure |
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Application publication date: 20190604 |
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