CN209132301U - Wind speed sensor calibration device - Google Patents
Wind speed sensor calibration device Download PDFInfo
- Publication number
- CN209132301U CN209132301U CN201920011589.3U CN201920011589U CN209132301U CN 209132301 U CN209132301 U CN 209132301U CN 201920011589 U CN201920011589 U CN 201920011589U CN 209132301 U CN209132301 U CN 209132301U
- Authority
- CN
- China
- Prior art keywords
- ventilating duct
- wind
- adjustment
- speed
- velocity transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013461 design Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
A kind of wind speed sensor calibration device, including raw blower structure and ventilating duct, raw blower structure is arranged in the ventilating duct, and can produce uniform speed airflow, it is arranged to place to adjustment air velocity transducer in ventilating duct, and the uniform air flow that raw blower structure can be made to generate at the uniform velocity passes through.When the utility model is used, air velocity transducer is protruded into ventilating duct, raw blower structure generates uniform speed airflow and passes through ventilating duct, wind table is placed on to the wind speed of the wind exit measurement ventilating duct of ventilating duct, pass through the air speed value adjustment air velocity transducer of wind table to corresponding numerical value, complete the adjustment of air velocity transducer, the utility model in ventilating duct by generating air-flow at the uniform velocity, namely speed stable wind, it is all identical for making the wind speed of sensor real-time measurement, the wind speed of wind table measurement simultaneously is also stable numerical value, avoid wind speed it is unstable caused by adjustment inaccuracy, and then avoid the null offset of the air velocity transducer as caused by multiple adjustment inaccuracy, adjustment air velocity transducer is accurate.
Description
Technical field
The utility model relates to a kind of calibration apparatus, more particularly, to wind speed sensor calibration device.
Background technique
Security monitoring plays an important role, mine is to sensing just as the eyes of mine during mine safety production
The whether stable accuracy with detected value of device performance has very high requirement, so the adjustment of various kinds of sensors is also required accurately,
Adjustment is carried out as methane transducer, carbon monoxide transducer will use standard gas sample and air gas sample, guarantees that its precision satisfaction is wanted
It asks, as one of common sensor of mine, air velocity transducer is the important component of mine safety monitoring system, at present wind
The adjusting process of fast sensor is using the mean wind speed in wind table test air velocity transducer position plane, according to testing out
The mean wind speed come to carry out adjustment to air velocity transducer；Utilize being averaged in wind table test air velocity transducer position plane
The method of wind speed is to measure the mean wind speed of air velocity transducer several points, and the wind measurement method of each point is measurement one end
The mean wind speed of this position in time, since the adjustment to air velocity transducer is and the mine using average speed progress adjustment
Interior wind speed is all under normal circumstances variation, therefore is inaccurate to the adjustment of air velocity transducer, simultaneously because right every time
Wind speed sensor calibration is all inaccurate, and air velocity transducer just will appear null offset after multiple adjustment.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of accurate wind of adjustment
Fast sensor debugging calibrating apparatus.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of wind speed sensor calibration device, including raw blower structure and ventilating duct, the raw blower structure setting is described logical
It in air duct, and can produce uniform speed airflow, be arranged to place to adjustment air velocity transducer in the ventilating duct, and can make
The uniform air flow that the raw blower structure generates at the uniform velocity passes through.
Calibration apparatus described in the utility model, wherein the ventilating duct is rounded cylindrical structure.
Calibration apparatus described in the utility model, wherein the ventilating duct is round speaker mouth close to raw blower structure one end
Design.
Calibration apparatus described in the utility model, wherein the raw blower structure includes blower and velocity regulator, the wind
Machine is arranged in the ventilating duct, and the velocity regulator and the blower are electrically connected, and turn of the adjustable blower
Speed.
Calibration apparatus described in the utility model, wherein further include bottom support base, the bottom support base is used to support
The ventilating duct.
Calibration apparatus described in the utility model, wherein the ventilating duct side wall offers sensor and places mouth, the biography
Sensor places mouth for being inserted into adjustment air velocity transducer.
Compared with prior art, the utility model has the beneficial effects that
When the utility model is used, air velocity transducer is protruded into ventilating duct, raw blower structure generates uniform speed airflow by leading to
Wind table is placed on the wind speed of the wind exit measurement ventilating duct of ventilating duct, is passed by the air speed value adjustment wind speed of wind table by air duct
Sensor completes the adjustment of air velocity transducer to corresponding numerical value, the utility model by generating air-flow at the uniform velocity in ventilating duct,
Namely speed stable wind, it is all identical for making the wind speed of sensor real-time measurement, while the wind speed of wind table measurement is also steady
Fixed numerical value, avoid wind speed it is unstable caused by adjustment inaccuracy, and then avoid the wind as caused by multiple adjustment inaccuracy
The null offset of fast sensor, adjustment air velocity transducer are accurate.
Detailed description of the invention
Fig. 1 is the utility model overall structure view；
Fig. 2 is the utility model front view；
Fig. 3 is the utility model right view；
Specific embodiment
Refering to Figure 1, it will be understood by those skilled in the art that in the exposure of the utility model, term " one
The orientation or positional relationship of the instructions such as end ", " bottom ", " top ", "inner", "upper" is that orientation or position based on the figure are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore above-mentioned term should not be understood as limiting the present invention.
The present embodiment is a kind of wind speed sensor calibration device, including raw blower structure 100 and ventilating duct 200, and the raw setting of blower structure 100 exists
It in ventilating duct 200, and can produce uniform speed airflow, be arranged to place in ventilating duct 200 to adjustment air velocity transducer 300,
And the uniform air flow that raw blower structure 100 can be made to generate at the uniform velocity passes through, in use, air velocity transducer 300 is protruded into ventilating duct 200
Interior, raw blower structure 100 generates uniform speed airflow by ventilating duct, the wind exit that wind table 500 is placed on ventilating duct 200 is measured logical
The wind speed in air duct 200, the air speed value adjustment air velocity transducer 300 measured by wind table 500 are completed wind speed and are passed to corresponding numerical value
The adjustment of sensor 300, the utility model are made by generating air-flow at the uniform velocity, that is, speed stable wind in ventilating duct 200
The wind speed of 300 real-time measurement of air velocity transducer is all identical, while the wind speed that wind table 500 measures is also stable numerical value, is kept away
Exempted from wind speed it is unstable caused by adjustment inaccuracy, and then avoid the air velocity transducer 300 as caused by multiple adjustment inaccuracy
Null offset, adjustment air velocity transducer 300 is accurate.
Wind speed sensor calibration device provided in this embodiment, ventilating duct 200 are cylinder-like structure, can illustratively be adopted
With PVC pipeline, steel pipe can also be used, is not limited thereto, ventilating duct 200 is round speaker close to raw 100 one end of blower structure
Mouthful design, that is, inlet radius successively dwindle into round table-like design, can be by more air-flows from ventilation when round table-like design
In the outer suction ventilation road in road 200,200 interior air-flow of ventilating duct that may be less likely to generate due to 200 air inlet of ventilating duct is avoided not
Stabilization, that is, wind speed are unstable；Illustratively, raw blower structure 100 includes blower 110 and velocity regulator 120, blower
110 are arranged in ventilating duct 200, and velocity regulator 120 and blower 110 are electrically connected, and velocity regulator 120 can be using speed regulation
Switch, speed-regulating switch can directly be bought in Taobao etc., other speed control devices can also be used, as long as can complete to blower 110
Revolving speed be adjusted, this is not restricted, and blower 110 is electrically connected by velocity regulator 120 with external power supply,
Blower 110 is powered using external power supply；The revolving speed of the adjustable blower 110 of velocity regulator 120, ventilating duct bottom can
To be arranged bottom support base 400, bottom support base 400 is used to support ventilating duct 200, and illustrative bottom support base 400 can be with
Using a supporting element, supporting element top offers the notch with ventilating duct cooperation, and lower part is placed on the workbench that can be supported
On, but bottom support base is not limited to this structure；200 side wall of ventilating duct offers sensor and places mouth 210, and sensor places mouth
210 for being inserted into the air velocity transducer 300 for needing adjustment, it should be noted that needing after insertion air velocity transducer 300 to sensing
Device is placed mouth 210 and is sealed, sealed to use rubber belt sealing, can also be sealed using other way, avoid air-flow from biography
Sensor is placed mouth 210 and is flowed out, and the wind speed stability in ventilating duct 200 is influenced, in use, blower 110 is dried in ventilating duct 200,
Wind enters ventilating duct 200 from 200 one end of ventilating duct, comes out from ventilating duct 200, and blower 110 can produce speed stable
Air velocity transducer 300 is placed mouth 210 by sensor and is inserted into ventilating duct by wind speed, places wind table in 200 air outlet of ventilating duct
500, start blower 110, stablizes to wind speed and adjustment is carried out to air velocity transducer 300 by the numerical value of wind table 500, while can lead to
It crosses velocity regulator 120 and adjusts the revolving speed of blower 110, and then carry out the adjustment of different wind speed to air velocity transducer 300, it is entire to fill
During setting adjustment wind speed adjusting air velocity transducer 300, adjust air velocity transducer 300 in the case where wind speed is stablized
Section is adjusted accurate, it should be noted that when the present apparatus carries out adjustment to air velocity transducer 300, adjustment is most in calm room
It is good, it can be to avoid the influence of external air flow.
Embodiments described above is only that preferred embodiments of the present invention are described, not to this reality
It is defined with novel range, under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art couple
The various changes and improvements that the technical solution of the utility model is made should all fall into the guarantor that the utility model claims book determines
It protects in range.
Claims (6)
1. a kind of wind speed sensor calibration device, which is characterized in that including raw blower structure (100) and ventilating duct (200), the life
Blower structure (100) setting can produce uniform speed airflow in the ventilating duct (200), be set in the ventilating duct (200)
For that can place to adjustment air velocity transducer (300), and the uniform air flow that the raw blower structure (100) can be made to generate is at the uniform velocity logical
It crosses.
2. calibration apparatus according to claim 1, which is characterized in that the ventilating duct (200) is rounded cylindrical structure.
3. calibration apparatus according to claim 2, which is characterized in that the ventilating duct (200) is close to raw blower structure (100)
One end is the design of round speaker mouth.
4. calibration apparatus according to claim 2, which is characterized in that the raw blower structure (100) include blower (110) with
Velocity regulator (120), blower (110) setting is in the ventilating duct (200), the velocity regulator (120) and institute
State blower (110) electric connection, and the revolving speed of the adjustable blower (110).
5. calibration apparatus according to claim 2, which is characterized in that further include bottom support base (400), the bottom branch
Support seat (400) is used to support the ventilating duct (200).
6. calibration apparatus according to claim 2, which is characterized in that ventilating duct (200) side wall offers sensor
It places mouth (210), the sensor places mouth (210) for being inserted into adjustment air velocity transducer (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011589.3U CN209132301U (en) | 2019-01-04 | 2019-01-04 | Wind speed sensor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011589.3U CN209132301U (en) | 2019-01-04 | 2019-01-04 | Wind speed sensor calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132301U true CN209132301U (en) | 2019-07-19 |
Family
ID=67249686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920011589.3U Expired - Fee Related CN209132301U (en) | 2019-01-04 | 2019-01-04 | Wind speed sensor calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132301U (en) |
-
2019
- 2019-01-04 CN CN201920011589.3U patent/CN209132301U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 |