CN107543667A - Building doors and windows air-tightness automatic checkout system and control method - Google Patents
Building doors and windows air-tightness automatic checkout system and control method Download PDFInfo
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- CN107543667A CN107543667A CN201710581840.5A CN201710581840A CN107543667A CN 107543667 A CN107543667 A CN 107543667A CN 201710581840 A CN201710581840 A CN 201710581840A CN 107543667 A CN107543667 A CN 107543667A
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Abstract
The present invention relates to building doors and windows air-tightness automatic checkout system and control method.High pressure positive blower is housed in fan static pressure case, lower plenum chamber is disposed with fan static pressure case, slightly imitates filtering element for air filter, middle plenum chamber, high efficiency particle air filter filter core, upper plenum chamber and airduct, airduct connects window element to be measured and forms air chamber with sealing film；The upper plenum chamber and middle plenum chamber of high efficiency filter filter element both sides connect the low pressure, input end and high voltage input terminal of filter core pressure difference transmitter respectively；Window element forms air chamber, air chamber connection window pressure difference transmitter with sealing film.The present invention determines air quantity using the pressure difference of both sides up and down of high efficiency filter filter element, determines that the method for air quantity is more accurate and simple and easy using anemobiagraph or flowmeter than traditional；Rotation speed of fan is controlled using editable controller, the automation of monitoring process is realized, the automatic record data of coupled computer, greatly reduces human intervention.It is worth with preferable social utility.
Description
Technical field
The present invention relates to building energy saving field, there is provided a kind of field-installed building doors and windows air-tightness automatic detection and control
System；More particularly to building doors and windows air-tightness automatic checkout system and control method.
Background technology
Air penetration is huge on IAQ and building energy consumption influence, and research shows, the heat dissipation caused by infiltration
Amount account for building total heat consumption 1/3 or so, including in recent years be particularly winter it is serious haze pollution, permeated by building doors and windows
The particulate matters such as the PM2.5 to interior drastically influence the health and safety of indoor occupant.
In response to the target of national energy-saving consumption reduction, further Development of Green Building, low energy building, the utilization of resources is improved
Corresponding classification has been done to architectural exterior-protecting construction air-tightness level by rate, country.《GBT 7106-2008 building external doors and windows are airtight, water
It is close, resisting wind press capacity classification and detection method》During to building external doors and windows air-leakage test classification pressurization, repeatedly pressurization etc. content
Specific device when having made guiding requirement, but being not directed to detection.Some current detection devices, including blower fan, wind
Pipe, controller, anemobiagraph, differential pressure pickup, support etc., the connected mode of generally use are that anemobiagraph directly is inserted into airduct
In, air mass flow is calculated according to the wind speed size in the pipeline monitored, but due to wind speed skewness on pipeline section,
And influenceed by wind velocity fluctuation, measured flow is it is difficult to ensure that its accuracy；And use other all kinds of mass air flow sensor straight
When connecing the situation of monitoring pipeline air flow, to reach permissible accuracy, required equipment is also huger, it is difficult to adapts to live door and window
The requirement for being easy to carry, being easy to assembling of detection.
The content of the invention
To solve the deficiency of existing equipment, the invention provides a kind of showing based on filtrate both sides differential pressure measurement fan delivery
Door and window air tightness detection system, ensure that test specimen has relatively low air pressure fluctuation, accurately and can automatically control air quantity, and base
The automatic collection and processing of measurement data are realized in computer program.
To realize the effect above, the technical scheme that the present invention takes is as follows：
A kind of building doors and windows air-tightness automatic checkout system, is equipped with high pressure positive blower in fan static pressure case, on fan static pressure case
Be disposed with lower plenum chamber, slightly imitate filtering element for air filter, middle plenum chamber, high efficiency particle air filter filter core, upper plenum chamber and
Airduct, airduct connect window element to be measured and form air chamber with sealing film；The upper plenum chamber of high efficiency filter filter element both sides and
Middle plenum chamber connects the low pressure, input end and high voltage input terminal of filter core pressure difference transmitter respectively；Window element is formed with sealing film
Air chamber, air chamber connection window pressure difference transmitter.
In the present invention, both sides are connected using flange and plenum chamber up and down for high efficiency particle air filter filter core and low efficient filter filter core
Connect, junction is sealed with sealing minuteness, and blending bolt compresses, and ensures air-tightness.
In the present invention, blower fan is housed in fan static pressure case, the air inlet of fan static pressure case communicates with air, and air outlet is with
Plenum chamber connects.
In the present invention, be connected with low efficient filter filter core between the lower plenum chamber and middle plenum chamber, middle plenum chamber with it is upper
High efficiency filter filter element is connected between plenum chamber, two filter core relations are series connection, and low efficient filter filter core act as filtering
Impurity in air, so as to protect high efficiency filter filter element.
In the present invention, both sides are respectively communicated with the low pressure, input end and height of pressure difference transmitter above and below the high efficiency filter filter element
Input is pressed, pressure difference transmitter output signal is connected as analog input with computer.
In the present invention, the sealing film inner surface surrounding is bonded with two-sided tape, is easy to be connected to be formed with door and window housing
Closed air chamber；Sealing film outer surface surrounding is provided with one-faced tapes, is easy to be connected to form closed air chamber with door and window housing.
In the present invention, fan static pressure case, lower plenum chamber, low efficient filter filter core, middle plenum chamber, high efficiency filter filter element,
The connection of upper plenum chamber is connected using flange, and junction is compressed with sealing cotton.
The control method of the building doors and windows air-tightness automatic checkout system of the present invention, according to above and below high efficiency filter filter element two
The pressure difference of side obtains the airflow value by filter core, while detects the air chamber and ambient atmosphere of sealing film and tested component composition
Pressure difference and return the result to programmable controller and realize automatically controlling for rotation speed of fan.
In the inventive method, using the search gas conservation of mass, according to search gas burst size and upper plenum chamber exit
Trace gas concentration obtains pressure difference-air quantity relation curve of high efficiency filter filter element so as to completing the air flow calibration of system.
Detecting system in the present invention, is comprised the following steps that
1) start blower fan, while start computer program and editable controller, blower fan original state is arranged to make window
The pressure difference signal of pressure difference transmitter output is run under 0-5Pa scope；
2) pressure difference signal of detection is transferred to editable controller by window pressure difference transmitter, simultaneous transmission to computer,
Analog quantity is converted to decimal system pressure difference data by computer by program module；
3) programmable controller presets configuration processor, and its first order setting value is to maintain window element both sides pressure difference
In 5-10Pa scope, the second level, the one-level setting value of the 3rd pole ... the tenth are followed successively by 10-15Pa, 15-20Pa, 20- thereafter
25Pa……55-60Pa；During operation, judge whether pressure difference is in stable state and sentences according to the pressure difference signal of input and whether reach
Setting value, control rotation speed of fan to reach setting value if not up to setting value, 5-10 is maintained under conditions of steady pressure
Minute, then control rotation speed of fan window element both sides pressure difference is reached next stage setting value.
The present invention obtains the airflow value by filter core according to the pressure difference of both sides above and below high efficiency filter filter element, while detects close
The air chamber of sealing film and tested component composition and the pressure difference of ambient atmosphere simultaneously return the result to programmable controller and realize wind
Machine rotating speed automatically controls.Programmable controller presets configuration processor, is controlled automatically according to the signal that pressure difference transmitter inputs
Rotation speed of fan processed, the air chamber pressure difference grade different from ambient atmosphere during so as to change test.Pressure difference transmitter is defeated by signal
Go out to computer, the collection and processing of pressure difference signal are realized according to the program finished in advance；Using the search gas conservation of mass, root
Pressure difference-air quantity relation of high efficiency filter filter element is obtained according to search gas burst size and upper plenum chamber exit trace gas concentration
Curve is so as to completing the air flow calibration of system.
Beneficial effects of the present invention：
The present invention determines air quantity using the pressure difference of both sides up and down of high efficiency filter filter element, and anemobiagraph or stream are used than traditional
Gauge determines that the method for air quantity is more accurate and simple and easy；
The present invention using dual face seals adhesive tape and single facer adhesive tape strengthen sealing by the way of, fully ensured that whole survey
Good sealing property during examination；
Plenum chamber of the present invention is connected with filter element using flange with sealing cotton, has fully ensured that the sealing of whole system
Effect；
The present invention realizes the automation of monitoring process, coupled computer using editable controller control rotation speed of fan
Automatic record data, greatly reduces human intervention.It is easy to site installation test, accurately can controls and measure fan delivery,
It is worth with preferable social utility.
Brief description of the drawings
The structural representation of the live door and window air tightness detection system of Fig. 1 present invention；
The control logic figure of Fig. 2 editable controllers；
Fig. 3 devices connect and transport stream signal journey schematic diagram.
Embodiment
Embodiment：
As shown in figure 1, the door and window air tightness detection system is mainly comprising sealing film 1, airduct 2, upper plenum chamber 3, height
Imitate filter core 4, middle plenum chamber 5, thick effect filter core 6, lower plenum chamber 7, fan static pressure case 8, high pressure positive blower 9, filter core pressure difference
Transmitter 10, window pressure difference transmitter 11, editable controller 12.High pressure positive blower is housed, blower fan is quiet in the fan static pressure case
The air inlet of pressure case is communicated with air, and air outlet is connected with lower plenum chamber using flange；The low efficient filter filter core 6 is arranged on
Between middle plenum chamber and lower plenum chamber；The high efficiency filter filter element 4 is arranged between upper plenum chamber 3 and middle plenum chamber 5, static pressure
Connected between case and filter element using flange, junction is placed sealing strip and compressed so as to ensure air-tightness；The airduct
Connect window element to be measured and form air chamber with sealing film；The sealing film inner surface surrounding is bonded with two-sided tape, together
When outer surface surrounding be provided with one-faced tapes, be easy to be connected to form closed air chamber with door and window housing.The filter core pressure difference pick-up
Plenum chamber and lower plenum chamber during the high-low pressure interface of device 10 connects respectively, so as to monitor high efficiency filter filter element, about 4 both sides
Pressure difference, while analog signalses are exported to computer processor；The high-pressure side connection window structure of the window pressure difference transmitter 11
In the air chamber that part is formed with sealing film, low-pressure end directly communicates with ambient atmosphere, and the analog signalses conduct of output can compile
Collect the input quantity of controller 12；The editable controller is connected with high pressure positive blower 9, controls the rotating speed of high pressure positive blower 9 so as to changing
Variable air rate.
Concrete operation step is as follows：
1) size of tested component is measured so as to accurately cut sealing film, sealing film inner side surrounding pastes two-sided tape,
And one side glue list is pasted in outside and does not fall off so as to ensureing sealing film in test process and ensures to seal；
2) press as after upper type connection various parts, pressed and starting blower fan button, while start computer program and can
Editing controller, blower fan original state are that the pressure difference signal for exporting window pressure difference transmitter is run under 0-5Pa；
3) programmable controller presets configuration processor control rotation speed of fan, and its first order setting value is to make window element
Both sides pressure difference maintains 5-10Pa scope, and the second level thereafter, the one-level setting value of the 3rd pole ... the tenth are followed successively by 10-
15Pa、15-20Pa、20-25Pa……55-60Pa。
4) editable controller 12 judges whether pressure difference is located by detecting the pressure difference signal 1 that window pressure difference transmitter 11 exports
In stable state and judge whether to be in first order setting range, control rotation speed of fan to reach if not up to this setting value
This setting value, 5-10 minutes are maintained under conditions of steady pressure；
5) pressure difference signal of window pressure difference transmitter is made to be followed successively by 5- according to mode described in the 4th step, regulation rotation speed of fan
10Pa, 10-15Pa, 15-20Pa ... 55-60Pa are realized and pressurizeed step by step, stable under pressure differences at different levels to maintain 5-10 minutes.Together
When, filter core pressure difference transmitter 10, the analog signalses of window pressure difference transmitter 11 export to computer realize signal collection and
Processing.
The system needs in advance to demarcate air quantity-pressure difference relation of high efficiency filter filter element 4, and the method for demarcation can basis
Search gas conservation of mass relation, a certain amount of gas is discharged at fans entrance and detects exit concentration, to obtain the wind
By the airflow value of high efficiency filter filter element under machine rotating speed, while record pressure difference transmitter A8 output valve.Change rotation speed of fan
Air quantity-pressure difference relation curve of high efficiency filter filter element 4 is obtained by as above method.
Each several part in system, including the size of blower fan, plenum chamber, airduct etc. and size can survey wanting for component according to actual
Free adjustment is asked, will not be described here.
The building doors and windows air-tightness automatic checkout system and control method that the present invention is disclosed and proposed, those skilled in the art
Can by use for reference the link such as present disclosure, appropriate change condition realize, although the present invention method and technology of preparing by compared with
Good examples of implementation are described, person skilled substantially can not depart from present invention, in spirit and scope to herein
Described methods and techniques route is modified or reconfigured, to realize final technology of preparing.In particular,
All similar replacements and change are apparent to those skilled in the art, and they are considered as being included in this hair
In bright spirit, scope and content.
Claims (10)
1. a kind of building doors and windows air-tightness automatic checkout system, it is characterized in that：High pressure positive blower is housed, blower fan is quiet in fan static pressure case
Lower plenum chamber is disposed with pressure case, filtering element for air filter is slightly imitated, is middle plenum chamber, high efficiency particle air filter filter core, upper quiet
Case and airduct are pressed, airduct connects window element to be measured and forms air chamber with sealing film；High efficiency filter filter element both sides it is upper quiet
Pressure case and middle plenum chamber connect the low pressure, input end and high voltage input terminal of filter core pressure difference transmitter respectively；Window element and sealed thin
Film forms air chamber, air chamber connection window pressure difference transmitter.
2. detecting system as claimed in claim 1, it is characterized in that：On high efficiency particle air filter filter core and low efficient filter filter core
Lower both sides are connected using flange with plenum chamber, and junction is sealed with sealing minuteness, and blending bolt compresses, and ensures air-tightness.
3. detecting system as claimed in claim 1, it is characterized in that：Blower fan is housed, fan static pressure case enters in fan static pressure case
Air port is communicated with air, and air outlet is connected with lower plenum chamber.
4. detecting system as claimed in claim 1, it is characterized in that：Thick effect is connected between the lower plenum chamber and middle plenum chamber
Filter element, high efficiency filter filter element is connected between middle plenum chamber and upper plenum chamber, two filter core relations are series connection, thick effect
The impurity acting as in air filtering of filter element, so as to protect high efficiency filter filter element.
5. detecting system as claimed in claim 1, it is characterized in that：The high efficiency filter filter element is respectively communicated with pressure in both sides up and down
The low pressure, input end and high voltage input terminal of poor transmitter, pressure difference transmitter output signal connect as analog input and computer
Connect.
6. detecting system as claimed in claim 1, it is characterized in that：The sealing film inner surface surrounding is bonded with double faced adhesive tape
Band, it is easy to be connected to form closed air chamber with door and window housing；Sealing film outer surface surrounding is provided with one-faced tapes, is easy to and door
Outer window frame connects to form closed air chamber.
7. detecting system as claimed in claim 1, it is characterized in that：Fan static pressure case, lower plenum chamber, low efficient filter filter core,
The connection of middle plenum chamber, high efficiency filter filter element, upper plenum chamber is connected using flange, and junction is compressed with sealing cotton.
8. the control method of the building doors and windows air-tightness automatic checkout system using claim 1, it is characterized in that：According to efficient mistake
The pressure difference of both sides obtains the airflow value by filter core above and below filter insert, while detects the sky of sealing film and tested component composition
Air cavity and the pressure difference of ambient atmosphere simultaneously return the result to programmable controller and realize automatically controlling for rotation speed of fan.
9. control method as claimed in claim 8, it is characterized in that：Using the search gas conservation of mass, released according to search gas
Pressure difference-air quantity relation curve of high efficiency filter filter element is high-volume obtained with upper plenum chamber exit trace gas concentration so as to completing
The air flow calibration of system.
10. control method as claimed in claim 8, it is characterized in that step is as follows
1) start blower fan, while start computer program and editable controller, blower fan original state is arranged to make window pressure difference
Run under the pressure difference signal 0-5Pa of transmitter output；
2) pressure difference signal of detection is transferred to editable controller by window pressure difference transmitter, and simultaneous transmission calculates to computer
Analog quantity is converted to decimal system pressure difference data by machine by program module；
3) programmable controller presets configuration processor, and its first order setting value is window element both sides pressure difference is maintained 5-
10Pa scope, the second level, the one-level setting value of the 3rd pole ... the tenth are followed successively by 10-15Pa, 15-20Pa, 20- thereafter
25Pa……55-60Pa；During operation, judge whether pressure difference is in stable state and sentences according to the pressure difference signal of input and whether reach
Setting value, control rotation speed of fan to reach setting value if not up to setting value, 5-10 is maintained under conditions of steady pressure
Minute, then control rotation speed of fan window element both sides pressure difference is reached next stage setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710581840.5A CN107543667A (en) | 2017-07-17 | 2017-07-17 | Building doors and windows air-tightness automatic checkout system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710581840.5A CN107543667A (en) | 2017-07-17 | 2017-07-17 | Building doors and windows air-tightness automatic checkout system and control method |
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| CN107543667A true CN107543667A (en) | 2018-01-05 |
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ID=60970616
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| CN201710581840.5A Pending CN107543667A (en) | 2017-07-17 | 2017-07-17 | Building doors and windows air-tightness automatic checkout system and control method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974950A (en) * | 2019-05-10 | 2019-07-05 | 青岛理工大学 | Method and system for quickly detecting air permeation part of building |
| CN110031158A (en) * | 2019-05-10 | 2019-07-19 | 青岛理工大学 | Method and system for quantitatively detecting air tightness of motor train unit |
| CN110823478A (en) * | 2019-11-28 | 2020-02-21 | 湖南麓上住宅工业科技有限公司 | Air tightness detection system for passive room |
| CN111323176A (en) * | 2018-12-17 | 2020-06-23 | 北京建科源科技有限公司 | Building door and window on-site measuring equipment |
| CN111693095A (en) * | 2020-07-13 | 2020-09-22 | 北京爱德姆能源科技有限公司 | Air leakage rate measuring device with large cross section or irregular cross section |
| CN114459699A (en) * | 2022-01-21 | 2022-05-10 | 宁波三江检测有限公司 | Window air tightness detection method and system, storage medium and intelligent terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111323176A (en) * | 2018-12-17 | 2020-06-23 | 北京建科源科技有限公司 | Building door and window on-site measuring equipment |
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| CN110031158A (en) * | 2019-05-10 | 2019-07-19 | 青岛理工大学 | Method and system for quantitatively detecting air tightness of motor train unit |
| CN110823478A (en) * | 2019-11-28 | 2020-02-21 | 湖南麓上住宅工业科技有限公司 | Air tightness detection system for passive room |
| CN111693095A (en) * | 2020-07-13 | 2020-09-22 | 北京爱德姆能源科技有限公司 | Air leakage rate measuring device with large cross section or irregular cross section |
| CN114459699A (en) * | 2022-01-21 | 2022-05-10 | 宁波三江检测有限公司 | Window air tightness detection method and system, storage medium and intelligent terminal |
| CN114459699B (en) * | 2022-01-21 | 2023-11-21 | 宁波三江检测有限公司 | Window air tightness detection method, system, storage medium and intelligent terminal |
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