CN207816378U - A kind of wind quantity test device - Google Patents
A kind of wind quantity test device Download PDFInfo
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- CN207816378U CN207816378U CN201820278152.1U CN201820278152U CN207816378U CN 207816378 U CN207816378 U CN 207816378U CN 201820278152 U CN201820278152 U CN 201820278152U CN 207816378 U CN207816378 U CN 207816378U
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- testing tube
- deflector
- test device
- guide duct
- quantity test
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Abstract
The utility model discloses a kind of wind quantity test device, including fixed mechanism, guide duct and the testing tube that can be connected with supply air system, guide duct is connected and fixed structure and testing tube, deflector is set close to the side of guide duct in testing tube, there is uniformly distributed through-hole on deflector, air velocity transducer is also set up in testing tube, air velocity transducer is arranged close to the outlet of testing tube.Using the utility model wind quantity test device when, it is not necessary that supply air system is transformed, fixed mechanism is connected with supply air system, the fresh air that supply air system is introduced into is introduced by guide duct in testing tube, deflector is set in testing tube, deflector plays the new wind action of rectification, makes flow field in testing tube evenly, improves wind quantity test precision.
Description
Technical field
The utility model is related to wind quantity test technical fields, more particularly to a kind of wind quantity test device.
Background technology
Fresh air volume refers to being different from indoor return air from the indoor fresh air of outdoor introducing.Air-conditioning system is in addition to satisfaction pair
Other than the epidemic disaster control of indoor environment, enough outdoor fresh airs must also be provided to environment.Fresh air volume is to weigh Interior Space
One major criterion of makings amount, fresh air volume directly influence the circulation of air, and the degree of room air pollution gets hold of interior
Fresh air volume ensures treating air indoor, builds the indoor environment of good health.Desinfection chamber is that progress bacterium, mould etc. are qualitative, fixed
The experimental place of amount, desinfection chamber must ensure constant temperature, constant humidity, fresh air volume and purity requirements, and the fresh air volume of desinfection chamber is according to experiment
Chamber interior specification and particular use difference, the regulation of fresh air volume is also different, and air quantity is the circulation of air in the unit interval, single
Position is cubic meters per second.
In the prior art, often wind speed measuring device is arranged in air outlet in the fresh air volume in surveying laboratory, then presses
The formula that area is multiplied by according to wind speed is calculated, and still, whether air-conditioning system or other fresh air supply systems, all need
The system reform is carried out, wind speed measuring device is installed additional, professional is needed to carry out, it is time-consuming and laborious, it is careless slightly also to destroy air-supply system
System.
Therefore, a kind of wind quantity test device simple and easy to operate how is provided, the work for simplifying laboratory worker is negative
Load, is those skilled in the art's urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of wind quantity test device, to solve the above-mentioned problems of the prior art,
Keep wind quantity test simple to operation, without being transformed to supply air system, uses manpower and material resources sparingly.
To achieve the above object, the utility model provides following scheme：The utility model provides a kind of wind quantity test dress
It sets, including fixed mechanism, guide duct and the testing tube that can be connected with supply air system, the guide duct connects the fixed knot
Structure and the testing tube are arranged deflector close to the side of the guide duct in the testing tube, have on the deflector equal
The through-hole of cloth, air velocity transducer is also set up in the testing tube, and the air velocity transducer is arranged close to the outlet of the testing tube.
Preferably, the fixed mechanism includes flexible pipe and sucker, and the flexible pipe is made of elastic material, the sucker
It is fixed on the flexible pipe, rubber strip is also set up on the inner wall of the flexible pipe.
Preferably, the guide duct is telescoping tube.
Preferably, wind quantity test device further includes reducer pipe, and the reducer pipe connects the guide duct and the testing tube,
Smaller one end of diameter of the reducer pipe is connected with the guide duct, and the reducer pipe is relatively large in diameter one end and the testing tube
It is connected.
Preferably, the deflector is fixed on the inner wall of the testing tube, and the deflector and the testing tube are removable
Connection is unloaded, the deflector is coaxially disposed with the testing tube.
Preferably, the quantity of the deflector is multiple, and multiple deflectors are arranged in parallel in the testing tube, institute
Deflector is stated to be set between the guide duct and the air velocity transducer.
Preferably, resisting force sheet is also set up in the testing tube, the resisting force sheet is set on the inner wall of the testing tube, institute
It states resisting force sheet to be rotatablely connected with the testing tube, the axis perpendicular of the shaft axis of the resisting force sheet and the testing tube, institute
Deflector is stated between the resisting force sheet and the air velocity transducer.
Preferably, wind quantity test device further includes controller, and nothing is respectively provided on the controller and the air velocity transducer
Line Transmit-Receive Unit, the controller and the air velocity transducer are connected by the wireless transmit/receive units signal.
The utility model achieves following technique effect compared with the existing technology：The wind quantity test device of the utility model,
Including fixed mechanism, guide duct and the testing tube that can be connected with supply air system, guide duct is connected and fixed structure and testing tube,
Deflector is set close to the side of guide duct in testing tube, there is uniformly distributed through-hole on deflector, wind speed is also set up in testing tube
Sensor, air velocity transducer are arranged close to the outlet of testing tube.Using the utility model wind quantity test device when, without transformation
Fixed mechanism is connected with supply air system, the fresh air that supply air system is introduced into is introduced by guide duct in testing tube by supply air system,
Deflector is set in testing tube, and deflector plays the new wind action of rectification, and flow field in testing tube is made evenly to improve air quantity and survey
Try precision.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the overall structure diagram of the air volume test system of the utility model；
Wherein, 1 is flexible pipe, and 2 be sucker, and 3 be guide duct, and 4 be reducer pipe, and 5 be testing tube, and 6 be resisting force sheet, and 7 be to lead
Flowing plate, 8 be air velocity transducer.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of wind quantity test device, to solve the above-mentioned problems of the prior art,
Keep wind quantity test simple to operation, without being transformed to supply air system, uses manpower and material resources sparingly.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
Referring to FIG. 1, Fig. 1 is the overall structure diagram of the air volume test system of the utility model.
The utility model provides a kind of wind quantity test device, including can be connected with supply air system fixed mechanism, lead
Air hose 3 and testing tube 5, guide duct 3 are connected and fixed structure and testing tube 5, are arranged close to the side of guide duct 3 in testing tube 5 and lead
Flowing plate 7 has uniformly distributed through-hole on deflector 7, air velocity transducer 8 is also set up in testing tube 5, air velocity transducer 8 is close to test
The outlet of pipe 5 is arranged.
Using the utility model wind quantity test device when, it is not necessary that supply air system is transformed, by fixed mechanism and supply air system
It is connected, the fresh air that supply air system is introduced into is introduced by guide duct 3 in testing tube 5, deflector 7, deflector is set in testing tube 5
The new wind action of rectification is played, makes flow field in testing tube 5 evenly, improves wind quantity test precision.
Wherein, fixed mechanism includes flexible pipe 1 and sucker 2, and flexible pipe 1 is made of elastic material, can adapt to various shapes
Shape, specification supply air system outlet, sucker 2 is fixed on flexible pipe 1, and rubber strip is also set up on the inner wall of flexible pipe 1, tests
Room also requires wall, typically smooth, and sucker 2 can help flexible pipe 1 to be preferably fixed on air-supply
At the air outlet of system, rubber strip is set on the inner wall of flexible pipe 1, can preferably be sealed between flexible pipe 1 and supply air system
Gap, avoid leaking out, improve measuring accuracy.
In addition, guide duct 3 is telescoping tube, in this embodiment, guide duct 3 is by the smoke evacuation similar to smoke exhaust ventilator
The telescoping tube of pipe is made, can conversion direction and adjustment length, improve device applicability.
Specifically, wind quantity test device further includes reducer pipe 4, and reducer pipe 4 connects guide duct 3 and testing tube 5, reducer pipe 4
The smaller one end of diameter be connected with guide duct 3, the one end that is relatively large in diameter of reducer pipe 4 is connected with testing tube 5.Reducer pipe 4 is to wind-guiding
The new wind flow field that pipe 3 introduces has carried out first successive step, is conducive to improve flow field uniformity, improves measuring accuracy.
More specifically, deflector 7 is fixed on the inner wall of testing tube 5, the visual air velocity transducer in the hole on deflector 78
Depending on precision and setting, deflector 7 is detachably connected with testing tube 5, convenient for disassembly and assembly, is convenient to clean simultaneously, deflector 7 and test
Pipe 5 is coaxially disposed.
In other specific implementation modes of the utility model, the quantity of deflector 7 is multiple, and multiple deflectors 7 are parallel
It is set in testing tube 5, multiple deflectors 7 is set, new wind flow field is adjusted, improve flow field uniformity, multiple deflectors 7
Hole can gradually change, flow be classified uniformly, deflector 7 is set between guide duct 3 and air velocity transducer 8.
Further, resisting force sheet 6 is also set up in testing tube 5, resisting force sheet 6 is set on the inner wall of testing tube 5, resisting force sheet 6
It is rotatablely connected with testing tube 5, when fresh air enters testing tube 5 by diversion pipe, fresh air may be led to due to direction or other reasons
Flow is extremely uneven, and resisting force sheet 6 can play the role of changing fresh air flow direction, and deflector 7 is made preferably to play the new wind flow field of adjustment
Effect, the axis perpendicular of the shaft axis and testing tube 5 of resisting force sheet 6, deflector 7 is located at resisting force sheet 6 and air velocity transducer 8
Between.
Further, wind quantity test device further includes controller, and wireless receipts are respectively provided on controller and air velocity transducer 8
Bill member, controller are connected with air velocity transducer 8 by wireless transmit/receive units signal.Controller is receiving air velocity transducer 8
After data, Wind Coverage Calculation can be carried out and further calculate air balance degree, the electrical equipment that controller uses is in the prior art
It is very flourishing, it does not repeat herein.
It is emphasized that in order to improve the precision of wind quantity test, multiple air velocity transducers 8 can be set, it is multiple when being arranged
When air velocity transducer 8, the quantity of air velocity transducer 8 is consistent with the hole number on the deflector 7 exported closest to testing tube 5,
Air velocity transducer 8 is set on deflector 7 at the position of hole, is corresponded.
When the wind quantity test device work of the utility model, flexible pipe 1 is connected on the air outlet of supply air system, with suction
Disk 2 is fixed, and the outlet air of supply air system is drawn by guide duct 3, and the fresh air of extraction then flow to reducer pipe 4, and flow field is by reducer pipe 4
Make just successive step, the fresh air into testing tube 5 encounters after deflector 7 makees direction adjustment, continues through deflector 7, improves flow field
Uniformity, be set to 5 exit of testing tube air velocity transducer 8 measure outlet air wind speed after, transfer data on controller, control
The air balance degree that device processed calculates air quantity and subsequently obtains automatically.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, according to the utility model thought, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of wind quantity test device, it is characterised in that：Including can be connected with supply air system fixed mechanism, guide duct and
Testing tube, the guide duct connect the fixed mechanism and the testing tube, close to the one of the guide duct in the testing tube
Deflector is arranged in side, has uniformly distributed through-hole on the deflector, air velocity transducer, the wind speed are also set up in the testing tube
Sensor is arranged close to the outlet of the testing tube.
2. wind quantity test device according to claim 1, it is characterised in that：The fixed mechanism includes flexible pipe and suction
Disk, the flexible pipe are made of elastic material, and the sucker is fixed on the flexible pipe, are also set on the inner wall of the flexible pipe
Set rubber strip.
3. wind quantity test device according to claim 1, it is characterised in that：The guide duct is telescoping tube.
4. wind quantity test device according to claim 1, it is characterised in that：Further include reducer pipe, the reducer pipe connection
Smaller one end of diameter of the guide duct and the testing tube, the reducer pipe is connected with the guide duct, the reducer pipe
One end is relatively large in diameter with the testing tube to be connected.
5. wind quantity test device according to claim 1, it is characterised in that：The deflector is fixed on the testing tube
On inner wall, the deflector is detachably connected with the testing tube, and the deflector is coaxially disposed with the testing tube.
6. wind quantity test device according to claim 5, it is characterised in that：The quantity of the deflector be it is multiple, it is multiple
The deflector is arranged in parallel in the testing tube, the deflector be set to the guide duct and the air velocity transducer it
Between.
7. wind quantity test device according to claim 1, it is characterised in that：Resisting force sheet, institute are also set up in the testing tube
It states resisting force sheet to be set on the inner wall of the testing tube, the resisting force sheet is rotatablely connected with the testing tube, the resisting force sheet
The axis perpendicular of shaft axis and the testing tube, the deflector be located at the resisting force sheet and the air velocity transducer it
Between.
8. wind quantity test device according to claim 1, it is characterised in that：Further include controller, the controller and institute
It states and is respectively provided with wireless transmit/receive units on air velocity transducer, the controller and the air velocity transducer pass through the wireless receiving and dispatching list
First signal is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278152.1U CN207816378U (en) | 2018-02-27 | 2018-02-27 | A kind of wind quantity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278152.1U CN207816378U (en) | 2018-02-27 | 2018-02-27 | A kind of wind quantity test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816378U true CN207816378U (en) | 2018-09-04 |
Family
ID=63321400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820278152.1U Active CN207816378U (en) | 2018-02-27 | 2018-02-27 | A kind of wind quantity test device |
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| Country | Link |
|---|---|
| CN (1) | CN207816378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654821A (en) * | 2021-08-28 | 2021-11-16 | 沈督 | A wide-capacity air conditioner production detection device and detection method thereof |
-
2018
- 2018-02-27 CN CN201820278152.1U patent/CN207816378U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654821A (en) * | 2021-08-28 | 2021-11-16 | 沈督 | A wide-capacity air conditioner production detection device and detection method thereof |
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