CN109973133A - A kind of ventilation data measurement device and its data determination, meter calibration method - Google Patents
A kind of ventilation data measurement device and its data determination, meter calibration method Download PDFInfo
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- CN109973133A CN109973133A CN201910313513.0A CN201910313513A CN109973133A CN 109973133 A CN109973133 A CN 109973133A CN 201910313513 A CN201910313513 A CN 201910313513A CN 109973133 A CN109973133 A CN 109973133A
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- 238000005259 measurement Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000009423 ventilation Methods 0.000 title claims abstract description 36
- 238000004088 simulation Methods 0.000 claims abstract description 40
- 238000003032 molecular docking Methods 0.000 claims abstract description 8
- 238000002474 experimental method Methods 0.000 claims description 23
- 230000003068 static effect Effects 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 7
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- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/02—Test models
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of ventilation data measurement device and its data determinations, meter calibration method, measurement device includes simulation tunnel and blower, the air-flow flowing that the blower generates is in simulation tunnel to simulate underground ventilating, it further include laminar flow air duct, the laminar flow air duct is fixedly connected on the one end in simulation tunnel, and the flow section at the two docking is identical.Ventilation data measurement device of the invention has many advantages, such as safe and practical, simple structure, be easy to lay and data are accurate, and data determination and meter calibration method of the invention is likewise supplied with above-mentioned advantage due to using said determination device.
Description
Technical field
The present invention relates to mine ventilation field more particularly to a kind of ventilation data measurement device and its data determinations, instrument
Scaling method.
Background technique
Underground ventilating system is an important component of mine safety, and ventilating system detection is to understand underground ventilating system
System status, to carry out the main means of mine down-hole air environment improvement, it is both the basic of evaluation underground ventilating situation
Work, and guarantee safe production, reply underground catastrophe, the important evidence for implementing rescue, mitigation.It is logical to studying and then improving
Wind the relevant technologies generally require based on the precise determination of the data such as the air quantity of ventilation, wind pressure and windage.
At present carry out ventilating system measurement generally require the testing gallery of digging or in mine down-hole site environment into
Row, the engineering capital expenditure of testing gallery is big, needs to have the land used condition that can be excavated, the drift section form formed after excavation
With move towards fix, it is difficult to adjust；And be measured at mine down-hole scene, it needs by bargh's close fit, work association
Tonality is poor, and risk is high, and strange land work also results in low efficiency, expensive；In addition, either testing gallery or underground are existing
, distinguished and admirable is turbulent, is measured in field of turbulent flow, will include large error in measurement result.And existing ventage
System detection, support man-hour manually hand-held instrument are detected, and each measuring point needs operation 15~30 minutes, and a machine-team can only measure 16
~32 points, the time is long, is influenced that error is big, and accuracy and operating efficiency are all lower by the temperature difference.
Summary of the invention
Problem to be solved by this invention is in view of the problems of the existing technology, to provide a kind of safe and practical, construction letter
List is easy to laying and the accurate ventilation data measurement device of data, further correspondingly provides and is measured and is obtained with the measurement device
Obtain accurately wind flow, windage value and the characteristic method of blower H-Q and a kind of accurate meter calibration method.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of ventilation data measurement device, including simulation tunnel and blower, the air-flow that the blower generates are flowed in simulation
It further include laminar flow air duct to simulate underground ventilating in tunnel, the laminar flow air duct is fixedly connected on the one end in simulation tunnel, the two
Flow section at docking is identical.
As a further improvement of the above technical scheme:
Honeycomb screen is equipped at the wind inlet end in the laminar flow air duct.
Laboratory Module is equipped at laminar flow section in the middle part of the laminar flow air duct, the wall surface of the laminar flow section is equipped with connection Laboratory Module
Inside transparent hatch door.
The simulation tunnel includes the flexible air duct of scalable bending and is used to support the skeleton for fixing flexible air duct, described
Skeleton is fixed on the inside of flexible air duct.
The simulation tunnel is multiple by-paths in docking punishment with laminar flow air duct, is all provided at the air intake of each by-path
There is an air door, the air door adjusts the flow section size of by-path locating for it by adjusting aperture.
The air door includes flexible doorframe, door leaf and turntable, and the outer rim of the flexibility doorframe is fixed on the interior of flexible air duct
Wall, door leaf are fixed on flexible doorframe by a shaft, and the end of the shaft is stretched out flexible air duct and is fixedly connected with turntable,
The aperture of turntable rotation control door leaf.
The shaft is set on the vertically symmetrical axis of flexible doorframe, and flexible doorframe misplaces in the two sides of shaft and arranges, and
Dislocation distance is the thickness of door leaf.
The blower includes main fan and auxiliary fan, and the main fan is set to laminar flow air duct and simulates the joint in tunnel, described
Auxiliary fan is set to the outlet air end in simulation tunnel.
The measurement device is equipped with several instrument connections blocked.
The present invention is based on above-mentioned ventilation data measurement devices to give the method for following determination data and meter calibration.
A method of wind flow being measured with above-mentioned ventilation data measurement device, step includes:
S1: experiment condition setting: opening device adjusts blower frequency to setting value, adjusts simulation tunnel to setting shape；
S2: distinguished and admirable total pressure and distinguished and admirable static pressure are measured in laminar flow air duct, laminar winds are obtained according to distinguished and admirable total pressure and distinguished and admirable static pressure
The distinguished and admirable dynamic pressure in road obtains wind speed according to the distinguished and admirable dynamic pressure；
S3: wind flow is obtained according to wind speed and the flow section area in laminar flow air duct；
S4: change blower frequency and/or simulation roadway shape repeat step S3, until obtaining all experiment conditions to be measured
Under wind flow.
A method of each point air speed value being measured with above-mentioned ventilation data measurement device, step includes:
S1: experiment condition setting: opening device adjusts blower frequency to setting value, adjusts simulation tunnel to setting shape；
S2: the distinguished and admirable total pressure that the point is measured at the measuring point to be checked on tunnel and distinguished and admirable static pressure are being simulated, according to the wind of the point
Stream total pressure and distinguished and admirable static pressure obtain the distinguished and admirable dynamic pressure of the point, and the air speed value of the point is obtained according to the distinguished and admirable dynamic pressure of the point；
S3: change tested point repeats step S2, until obtaining the air speed value of all tested points under the experiment condition；
S4: change blower frequency and/or simulation roadway shape repeat step S2~S3, until obtaining all experiments to be measured
Under the conditions of all tested points air speed value.
A kind of method that the method with above-mentioned measurement wind flow carries out meter calibration, by the method for said determination wind flow
Wind pressure, wind speed and the wind flow of middle acquisition are compared with instrument to be calibrated, treat gauged instrument according to comparison result and are marked
It is fixed.
A kind of method that the instrument that the method with above-mentioned meter calibration is demarcated measures windage value between two tested points, utilizes
Pressure difference between two tested points, obtains between two tested points according to windage law in instrument measurement simulation tunnel by calibration
Windage value.
A kind of ventilation data measurement device measurement characteristic method of blower H-Q with preceding claim, step
Include:
S1: experiment condition setting: damper allows a by-path to open, remaining by-path is closed, opening device, adjusts wind
Unit frequency is to setting value；
S2: distinguished and admirable total pressure and distinguished and admirable static pressure are measured in laminar flow air duct, laminar winds are obtained according to distinguished and admirable total pressure and distinguished and admirable static pressure
The distinguished and admirable dynamic pressure in road obtains wind speed according to the distinguished and admirable dynamic pressure, is obtained according to wind speed and the flow section area in laminar flow air duct distinguished and admirable
Measure Q；
S3: pressure difference H between two o'clock is measured in the air intake and outlet air end of blower to be determined；
S4: adjusting the aperture for opening the air door of by-path, repeats step S2~S3, until obtaining under all experiment conditions to be measured
The wind flow Q of blower to be determined and the air intake and outlet air end of blower to be determined between pressure difference H；
S5: blower H-Q characteristic curve is drawn according to the data that S4 is obtained.
Compared with the prior art, the advantages of the present invention are as follows:
Ventilation data measurement device provided by the invention not only includes simulation tunnel and the wind to simulate underground ventilating
Machine further includes laminar flow air duct, and laminar flow air duct is fixedly connected on the one end in simulation tunnel, and flow section is identical at the two docking, is made
Measurement device has both the two kinds of environment in lamellar field and field of turbulent flow.Accurately wind speed, wind pressure can be obtained and change by being measured in lamellar field
The critical datas such as wind flow are counted as, these data are compared to traditional direct for field of turbulent flow determination data, reliability and standard
True property greatly improves, same with the accuracy of this each point data of field of turbulent flow measured the instrument demarcated and with gauged instrument
Sample greatly improves, accurate data can for design, improve and transformation underground ventilating system provide it is better and improve science according to
According to.
And measurement device of the invention is using simulation tunnel, and fracture morphology, tunnel trend and inner parameter can be with
It is adjusted as needed, makes it closer to field condition, adoptable experimental method multiplicity, small investment and land occupation is few is relatively opened
It digs testing gallery or there is significant efficiency and advantage to underground site test, to the development more practical valence of ventilation measurememt technical research
Value.
It is provided by the invention to measure wind flow method, the method for measuring each point air speed value, meter calibration method, measurement windage
Value method and measurement blower H-Q characteristic curve method are likewise supplied with said determination device due to using said determination device
It is accurate, efficient, convenient the advantages that.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of ventilation data measurement device of the invention；
Fig. 2 is the structural schematic diagram that tunnel is simulated in ventilation data measurement device of the invention；
Fig. 3 is the structural schematic diagram of air door in ventilation data measurement device of the invention.
Marginal data: 1, tunnel is simulated；11, flexible air duct；12, skeleton；13, by-path；131, air door；1311, flexible door
Frame；1312, door leaf；1313, turntable；2, blower；21, main fan；22, auxiliary fan；3, laminar flow air duct；31, honeycomb screen；32, laminar flow section；
33, Laboratory Module；331, transparent hatch door.
Specific embodiment
To facilitate the understanding of the present invention, invention herein is done below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but protection scope of the present invention is not limited to following specific embodiments.
Embodiment:
As shown in Figure 1, the ventilation data measurement device of the present embodiment, including simulation tunnel 1 and blower 2, what blower 2 generated
Air-flow flowing, to simulate underground ventilating, further includes laminar flow air duct 3 in simulation tunnel 1, and laminar flow air duct 3 is fixedly connected on simulation lane
The one end in road 1, the flow section at the two docking is identical, and measurement device is made to have both the two kinds of environment in lamellar field and field of turbulent flow.In layer
Flow field, which is measured, can obtain accurately wind speed, wind pressure and be converted into the critical datas such as wind flow, these data are compared to tradition
It is direct for field of turbulent flow determination data, reliability and accuracy greatly improve, with this come the instrument demarcated and with mark
The accuracy for determining each point data of field of turbulent flow that instrument is measured equally greatly improves, and each point air speed value obtained and average
The corresponding relationship of air speed value is also more accurate, has researching value.Accurate data can be logical for design, improvement and transformation underground
Wind system provides better and improves scientific basis.
And for the measurement device of the present embodiment using simulation tunnel 1, fracture morphology, tunnel trend and inner parameter can
To be adjusted as needed, make it closer to field condition, adoptable experimental method multiplicity, small investment and land occupation is few, compared with
It digs testing gallery or there is significant efficiency and advantage to underground site test, ventilation measurememt technical research is more practical to carrying out
Value.
In the present embodiment, it is equipped with honeycomb screen 31 at the wind inlet end in laminar flow air duct 3, makes distinguished and admirable at 3 wind inlet end of laminar flow air duct
By faster becoming laminar condition after rectification.
In the present embodiment, it is equipped with Laboratory Module 33 at the laminar flow section 32 at 3 middle part of laminar flow air duct, the wall surface of laminar flow section 32 is equipped with
It is connected to the transparent hatch door 331 of the inside of Laboratory Module 33, operator can open transparent hatch door 331, arrange in Laboratory Module 33
Instrument is measured with installation.In continuous mode, operator can also be seen measurement device inside by transparent hatch door 331
It examines.
In the present embodiment, as shown in Fig. 2, simulation tunnel 1 includes the flexible air duct 11 of scalable bending and is used to support solid
The skeleton 12 of fixed flexibility air duct 11, skeleton 12 are fixed on the inside of flexible air duct 11.The shrinkage degree of flexible air duct 11 is bigger,
The fold amplitude that inner wall is formed is bigger, and flatness is lower, and antitripic wind resistance value is bigger；Shrinkage degree is smaller, and inner wall flatness is higher,
Then antitripic wind resistance value is smaller.By the extension and contraction control of flexible air duct 11, the antitripic wind resistance value of measurement device field of turbulent flow, shape is adjusted
At different windage experimental conditions, experiment content is enriched.The outer layer for simulating tunnel 1 is mining flame-retardant air duct fabric, and internal layer is to wash
Synthetic fibre felt can effectively simulate the frictional resistance in live tunnel.
In the present embodiment, simulation tunnel 1 is multiple by-paths 13 in docking punishment with laminar flow air duct 3, more further to simulate
The case where moving towards tunnel is equipped with air door 131 at the air intake of each by-path 13, can by the aperture of damper 131 come
The occlusion state to by-path 13 is controlled, to adjust flow section size and local resistance, to adapt to many measure situation.It can also be with
Unwanted by-path 13 is blocked by closing air door 131, the number of by-path 13 is made to meet test request.
In the present embodiment, as shown in figure 3, air door 131 includes flexible doorframe 1311, door leaf 1312 and turntable 1313, flexibility
The outer rim of doorframe 1311 is fixed on the inner wall of flexible air duct 11, and door leaf 1312 is fixed on flexible doorframe 1311 by a shaft,
The end of shaft is stretched out flexible air duct 11 and is simultaneously fixedly connected with turntable 1313, by turntable 1313 control door leaf 1312 opening and closing and
Aperture, shaft are set on the vertically symmetrical axis of flexible doorframe 1311, and flexible doorframe 1311 misplaces in the two sides of shaft and arranges, and
Dislocation distance is the thickness of door leaf 1312.Door leaf 1312 from reach close during, 1311 energy of flexible doorframe for the arrangement that misplaces
It is enough to be in close contact with door leaf 1312, prevent from leaking out etc. influence measurement result the case where appearance.
In the present embodiment, blower 2 includes main fan 21 and auxiliary fan 22, and main fan 21 is set to laminar flow air duct 3 and simulates tunnel 1
Joint, auxiliary fan 22 are set to the outlet air end in simulation tunnel 1, and two fan mutual cooperations increase changeable wind speed range, into one
Step enriches experiment condition.
In the present embodiment, measurement device is equipped with several instrument connections blocked and facilitates Pitot tube etc. when being measured
Measurement device protrudes into measurement, after the completion of measurement, can block instrument connection, prevent the data determination for influencing other tested points.
The present embodiment also gives following determination data and meter calibration based on above-mentioned ventilation data measurement device
Method.
A method of wind flow being measured with above-mentioned ventilation data measurement device, step includes:
S1: experiment condition setting: opening device adjusts 2 frequency of blower to setting value, adjusts simulation tunnel 1 to setting shape
Shape；
S2: measuring distinguished and admirable total pressure and distinguished and admirable static pressure in laminar flow air duct 3, obtains laminar winds according to distinguished and admirable total pressure and distinguished and admirable static pressure
The distinguished and admirable dynamic pressure in road 3 obtains wind speed according to the distinguished and admirable dynamic pressure；
S3: wind flow is obtained according to wind speed and the flow section area in laminar flow air duct 3；
S4: change 2 frequency of blower and/or simulation 1 shape of tunnel repeat step S3, until obtaining all experiment items to be measured
Wind flow under part.
A method of each point air speed value being measured with above-mentioned ventilation data measurement device, step includes:
S1: experiment condition setting: opening device adjusts 2 frequency of blower to setting value, adjusts simulation tunnel 1 to setting shape
Shape；
S2: the distinguished and admirable total pressure that the point is measured at the measuring point to be checked on tunnel 1 and distinguished and admirable static pressure are being simulated, according to the wind of the point
Stream total pressure and distinguished and admirable static pressure obtain the distinguished and admirable dynamic pressure of the point, and the air speed value of the point is obtained according to the distinguished and admirable dynamic pressure of the point；
S3: change tested point repeats step S2, until obtaining the air speed value of all tested points under the experiment condition；
S4: change 2 frequency of blower and/or simulation 1 shape of tunnel repeat step S2~S3, until obtaining all realities to be measured
The air speed value of all tested points under the conditions of testing.
A kind of method carrying out meter calibration with the method for said determination wind flow will obtain in the method for measuring wind flow
Wind pressure, wind speed and wind flow be compared with instrument to be calibrated, gauged instrument is treated according to comparison result and is demarcated.
A kind of method that the instrument that the method with above-mentioned meter calibration is demarcated measures windage value between two tested points, utilizes warp
Pressure difference between two tested points is crossed in the instrument measurement simulation tunnel 1 of calibration, is obtained between two tested points according to windage law
Windage value.
A kind of to measure the characteristic method of blower H-Q with above-mentioned ventilation data measurement device, step includes:
S1: experiment condition setting: damper 131 allows a by-path 13 to open, remaining by-path 13 is closed, opening device,
2 frequency of blower is adjusted to setting value；
S2: measuring distinguished and admirable total pressure and distinguished and admirable static pressure in laminar flow air duct 3, obtains laminar winds according to distinguished and admirable total pressure and distinguished and admirable static pressure
The distinguished and admirable dynamic pressure in road 3 obtains wind speed according to the distinguished and admirable dynamic pressure, obtains wind according to wind speed and the flow section area in laminar flow air duct 3
Flow Q；
S3: pressure difference H between two o'clock is measured in the air intake and outlet air end of blower 2 to be determined；
S4: adjusting the aperture for opening the air door 131 of by-path 13, repeats step S2~S3, until obtaining all experiments to be measured
Under the conditions of the wind flow Q of blower to be determined 2 and the air intake and outlet air end of blower to be determined 2 between pressure difference H；
S5: blower H-Q characteristic curve is drawn according to the data that S4 is obtained.
Above-mentioned measurement wind flow method provided in this embodiment, the method for measuring each point air speed value, meter calibration method,
Windage value method and measurement blower H-Q characteristic curve method is measured to measure due to directly or indirectly using said determination device
Data, therefore be likewise supplied with said determination device it is accurate, efficient, convenient the advantages that.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.For those skilled in the art, obtained modifications and variations under the premise of not departing from technical concept of the invention
Also it should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of ventilation data measurement device, including simulation tunnel (1) and blower (2), the air-flow flowing that the blower (2) generates
To simulate underground ventilating in simulation tunnel (1), it is characterised in that: further include laminar flow air duct (3), the laminar flow air duct (3) is solid
Surely it is connected to one end of simulation tunnel (1), the flow section at the two docking is identical.
2. ventilation data measurement device according to claim 1, it is characterised in that: the wind inlet end of the laminar flow air duct (3)
Place is equipped with honeycomb screen (31).
3. ventilation data measurement device according to claim 1, it is characterised in that: the layer in the middle part of the laminar flow air duct (3)
It flows and is equipped with Laboratory Module (33) at section (32), the wall surface of the laminar flow section (32) is equipped with the transparent of the inside of connection Laboratory Module (33)
Hatch door (331).
4. ventilation data measurement device according to claim 1, it is characterised in that: the simulation tunnel (1) includes that can stretch
Contract the flexible air duct (11) bent and the skeleton (12) for being used to support fixed flexible air duct (11), and the skeleton (12) is fixed on soft
The inside of property air duct (11).
5. ventilation data measurement device according to claim 4, it is characterised in that: the simulation tunnel (1) in laminar flow
Air duct (3) docking punishment is multiple by-paths (13), is equipped with air door (131) at the air intake of each by-path (13), described
Air door (131) adjusts the flow section size of by-path (13) locating for it by adjusting aperture.
6. ventilation data measurement device according to claim 5, it is characterised in that: the air door (131) includes flexible door
The outer rim of frame (1311), door leaf (1312) and turntable (1313), the flexibility doorframe (1311) is fixed on flexible air duct (11)
Inner wall, door leaf (1312) are fixed on flexible doorframe (1311) by a shaft, and flexible air duct is stretched out in the end of the shaft
(11) and with turntable (1313) it is fixedly connected, the aperture of turntable (1313) rotation control door leaf (1312).
7. ventilation data measurement device according to claim 6, it is characterised in that: the shaft is set to flexible doorframe
(1311) on vertically symmetrical axis, flexible doorframe (1311) misplaces in the two sides of shaft and arranges, and dislocation distance is door leaf
(1312) thickness.
8. ventilation data measurement device according to claim 1, it is characterised in that: the blower (2) includes main fan (21)
With auxiliary fan (22), the main fan (21) is set to laminar flow air duct (3) and simulates the joint of tunnel (1), and the auxiliary fan (22) sets
It is placed in the outlet air end of simulation tunnel (1).
9. ventilation data measurement device according to claim 1, it is characterised in that: the measurement device be equipped with it is several can
The instrument connection of closure.
10. a kind of method with ventilation data measurement device according to any one of claims 1 to 9 measurement wind flow, step
Suddenly include:
S1: experiment condition setting: opening device adjusts blower (2) frequency to setting value, adjusts simulation tunnel (1) to setting shape
Shape；
S2: distinguished and admirable total pressure and distinguished and admirable static pressure are measured in laminar flow air duct (3), laminar flow air duct is obtained according to distinguished and admirable total pressure and distinguished and admirable static pressure
(3) distinguished and admirable dynamic pressure obtains wind speed according to the distinguished and admirable dynamic pressure；
S3: wind flow is obtained according to wind speed and the flow section area of laminar flow air duct (3)；
S4: change blower (2) frequency and/or simulation tunnel (1) shape repeat step S3, until obtaining all experiment items to be measured
Wind flow under part.
11. a kind of method with ventilation data measurement device according to any one of claims 1 to 9 measurement each point air speed value,
Its step includes:
S1: experiment condition setting: opening device adjusts blower (2) frequency to setting value, adjusts simulation tunnel (1) to setting shape
Shape；
S2: the distinguished and admirable total pressure that the point is measured at the measuring point to be checked on tunnel (1) and distinguished and admirable static pressure are being simulated, according to the distinguished and admirable of the point
Total pressure and distinguished and admirable static pressure obtain the distinguished and admirable dynamic pressure of the point, and the air speed value of the point is obtained according to the distinguished and admirable dynamic pressure of the point；
S3: change tested point repeats step S2, until obtaining the air speed value of all tested points under the experiment condition；
S4: change blower (2) frequency and/or simulation tunnel (1) shape repeat step S2~S3, until obtaining all realities to be measured
The air speed value of all tested points under the conditions of testing.
12. a kind of method that the method with the measurement wind flow described in claim 10 carries out meter calibration, it is characterised in that:
The wind pressure obtained in claim 10, wind speed and wind flow are compared with instrument to be calibrated, mark is treated according to comparison result
Determine instrument to be demarcated.
13. a kind of instrument that the method with the meter calibration described in claim 12 is demarcated measures windage value between two tested points
Method, it is characterised in that: using pressure difference between two tested points in instrument measurement simulation tunnel (1) by calibration, according to
Windage law obtains the windage value between two tested points.
14. a kind of measurement of the ventilation data measurement device described in any one of claim 5~9 blower H-Q is characteristic
Method, step include:
S1: experiment condition setting: damper (131) allows a by-path (13) to open, remaining by-path (13) is closed, and opens dress
It sets, adjusts blower (2) frequency to setting value；
S2: distinguished and admirable total pressure and distinguished and admirable static pressure are measured in laminar flow air duct (3), laminar flow air duct is obtained according to distinguished and admirable total pressure and distinguished and admirable static pressure
(3) distinguished and admirable dynamic pressure obtains wind speed according to the distinguished and admirable dynamic pressure, is obtained according to wind speed and the flow section area of laminar flow air duct (3)
Wind flow Q；
S3: pressure difference H between two o'clock is measured in the air intake and outlet air end of blower to be determined (2)；
S4: adjusting the aperture for opening the air door (131) of by-path (13), repeats step S2~S3, until obtaining all experiments to be measured
Under the conditions of the wind flow Q of blower to be determined (2) and the air intake and outlet air end of blower to be determined (2) between pressure difference H；
S5: blower H-Q characteristic curve is drawn according to the data that S4 is obtained.
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