CN203965464U - Startup wind speed detection device for air velocity transducer - Google Patents
Startup wind speed detection device for air velocity transducer Download PDFInfo
- Publication number
- CN203965464U CN203965464U CN201420393769.XU CN201420393769U CN203965464U CN 203965464 U CN203965464 U CN 203965464U CN 201420393769 U CN201420393769 U CN 201420393769U CN 203965464 U CN203965464 U CN 203965464U
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- wind
- flow system
- air flow
- velocity transducer
- startup
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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model provides a kind of startup wind speed detection device for air velocity transducer, it includes: Bracket for Inspection, wind direction and wind velocity verifier, first starts air flow system, second starts air flow system, base, wind direction and wind velocity verifier is fixed on the upper end of Bracket for Inspection, base is fixed in the lower end of Bracket for Inspection, the output shaft of the stepper motor of wind direction and wind velocity verifier inside is that vertical direction is downward, first starts air flow system is socketed on output shaft, first starts air flow system wind speed along the axis rotation of output shaft, first starts minute identical magnetic patch of placement magnetic flux such as the edge of air flow system, magnetic patch is for driving the second startup air flow system to rotate by magnetic force, second starts the wind speed axle that air flow system is socketed on detected air velocity transducer, and for testing the startup wind speed of detected air velocity transducer, detected air velocity transducer is fixed on base.The utlity model has and be easy to carry and advantage that power consumption is less.
Description
Technical field
The utility model relates to a kind of pick-up unit, particularly a kind of startup wind speed detection device for air velocity transducer.
Background technology
The pick-up unit of starting wind velocity of the prior art is a huge wind tunnel device, and power resources, in powerful alternating current, produce and control air-flow by variable-frequency motor, and air-flow drives tested air velocity transducer.Variable-frequency motor is controlled the size of air-flow, can measure the starting wind velocity of air velocity transducer.But wind tunnel device equipment is huge, high power AC power supply, cannot transport and on-the-spot test.
When how to guarantee to start degree of accuracy that the startup wind speed of air flow system detects and field and detecting is conveniently that technician will consider.
Utility model content
The technical problems to be solved in the utility model is to be not easy to the defect of carrying, field is used in order to overcome existing air velocity transducer pick-up unit, and a kind of startup wind speed detection device for air velocity transducer is provided.
The utility model is to solve above-mentioned technical matters by following technical proposals:
A kind of startup wind speed detection device for air velocity transducer, it includes: Bracket for Inspection, wind direction and wind velocity verifier, first starts air flow system, second starts air flow system, base, its feature is, described wind direction and wind velocity verifier is fixed on the upper end of described Bracket for Inspection, described base is fixed in the lower end of described Bracket for Inspection, the output shaft of the stepper motor of described wind direction and wind velocity verifier inside is that vertical direction is downward, described first starts air flow system is socketed on described output shaft, described first starts air flow system along the axis rotation of described output shaft, described first starts minute identical magnetic patch of placement magnetic flux such as the edge of air flow system, the magnetic force of described magnetic patch drives described second to start air flow system rotation, described second starts the wind speed axle that air flow system is socketed on detected air velocity transducer, described second starts air flow system provides the described detected air velocity transducer of test required startup wind speed, described detected air velocity transducer is fixed on described base.By magnetic force, driving magnetic bodies motion is the mode that in industry, frequent a kind of noncontact of using applies acting force.In this programme, magnetic force by the magnetic patch installed on the first startup air flow system applies an acting force to the second startup air flow system, and the detected air velocity transducer that makes to be connected with the second startup air flow system meets in the situation that meet the acting force that starts wind speed and start to rotate.
Preferably, with bolts between described the first startup air flow system and described output shaft.
Preferably, described Bracket for Inspection is connected by an expansion link with described wind direction and wind velocity verifier, the upper end of described Bracket for Inspection is fixed in the bottom of described expansion link, the fixing described wind direction and wind velocity verifier in upper end of described expansion link, can adjust the distance between described wind direction and wind velocity verifier and described base by adjusting the height of described expansion link.
Preferably, with bolts between described expansion link and described Bracket for Inspection, with bolts between described expansion link and described wind direction and wind velocity verifier.
Preferably, the quantity of described magnetic patch is 6.
Preferably, the quantity of described magnetic patch is 8.
Preferably, the quantity of described magnetic patch is 12.
Positive progressive effect of the present utility model is: by adopting magnetomotive type of drive, the wind speed that in simulation wind-tunnel, detected air velocity transducer is subject to, install small and exquisite, be easy to carry, be applicable to field work and use.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the structural representation of startup wind speed detection device one embodiment of air velocity transducer.
Fig. 2 is that the utility model is for the structural representation of the first startup air flow system of startup wind speed detection device one embodiment of air velocity transducer.
Description of reference numerals:
Bracket for Inspection: 1
Wind direction and wind velocity verifier: 2
First starts air flow system: 3
Magnetic patch: 31
Second starts air flow system: 4
Base: 5
Output shaft: 6
Bolt: 7
Wind speed axle: 8
Expansion link: 9
Bolt: 10
Detected air velocity transducer: 11
Embodiment
Lift a preferred embodiment below, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
Embodiment
Incorporated by reference to Fig. 1, Fig. 2, understood, a kind of startup wind speed detection device for air velocity transducer, it includes: Bracket for Inspection 1, wind direction and wind velocity verifier 2, first start air flow system 3, second and start air flow system 4, base 5.The upper end of Bracket for Inspection 1 is fixedly connected with by bolt 10 with the bottom of expansion link 9, and the upper end of expansion link 9 is fixedly connected with wind direction and wind velocity verifier 2.The lever arm of expansion link 9 can vertically stretch, to realize the adjustment of wind direction and wind velocity verifier 2 height, to meet the demand of the detected air velocity transducer 11 of different model.Wind direction and wind velocity verifier 2 inside have a stepper motor, and the rotating speed of this stepper motor output can be simulated the wind speed that is equivalent to 0.1m/s-0.9m/s.Stepper motor has vertically downward output shaft 6, first starts air flow system 3 is socketed by bolt 7 and is fixed on output shaft 6, the first startup air flow system 3 can be rotated with output shaft 6, and first starts air flow system 3 along the axis rotation of output shaft 6, by regulating stepper motor can control the velocity of rotation of output shaft 6.First starts minute identical 8 magnetic patch 31 (quantity also can be 6 or 12) of placement magnetic flux such as the edge of air flow system 3, this makes the magnetic force of magnetic patch 31 can drive second on the wind speed axle 8 that is detected air velocity transducer 11 to start air flow system 4 rotations, speed when the second startup air flow system 4 starts to rotate is exactly the startup wind speed of detected air velocity transducer 11.
Second starts air flow system 4 is socketed on detected air velocity transducer 11, and for testing the startup wind speed of detected air velocity transducer 11, detected air velocity transducer 11 is fixed on described base 5.
Principle of work of the present utility model is: by wind direction and wind velocity verifier 2, drive first to start air flow system 3 rotations, first starts air flow system 3 utilizes the magnetic force that on it, magnetic patch 31 has to drive the second wind speed starter gear 4 to rotate, be equivalent to a portable wind-tunnel, simulate the size of the suffered wind-force of detected air velocity transducer 11, and then detect the startup wind speed of detected air velocity transducer 11.The DC power supply of using low-power consumption for the startup wind speed detection device of air velocity transducer, such as lithium power supply, the field requirement while having met field work is easy to carry simultaneously.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.
Claims (7)
1. the startup wind speed detection device for air velocity transducer, it includes: Bracket for Inspection, wind direction and wind velocity verifier, first starts air flow system, second starts air flow system, base, it is characterized in that, described wind direction and wind velocity verifier is fixed on the upper end of described Bracket for Inspection, described base is fixed in the lower end of described Bracket for Inspection, the output shaft of the stepper motor of described wind direction and wind velocity verifier inside is that vertical direction is downward, described first starts air flow system is socketed on described output shaft, described first starts air flow system along the axis rotation of described output shaft, described first starts minute identical magnetic patch of placement magnetic flux such as the edge of air flow system, the magnetic force of described magnetic patch drives described second to start air flow system rotation, described second starts the wind speed axle that air flow system is socketed on detected air velocity transducer, described second starts air flow system provides the described detected air velocity transducer of test required startup wind speed, described detected air velocity transducer is fixed on described base.
2. the startup wind speed detection device for air velocity transducer as claimed in claim 1, is characterized in that, with bolts between described the first startup air flow system and described output shaft.
3. the startup wind speed detection device for air velocity transducer as claimed in claim 1, it is characterized in that, described Bracket for Inspection is connected by an expansion link with described wind direction and wind velocity verifier, the upper end of described Bracket for Inspection is fixed in the bottom of described expansion link, the fixing described wind direction and wind velocity verifier in upper end of described expansion link, can adjust the distance between described wind direction and wind velocity verifier and described base by adjusting the height of described expansion link.
4. the startup wind speed detection device for air velocity transducer as claimed in claim 3, is characterized in that, with bolts between described expansion link and described Bracket for Inspection, with bolts between described expansion link and described wind direction and wind velocity verifier.
5. the startup wind speed detection device for air velocity transducer as claimed in claim 1, is characterized in that, the quantity of described magnetic patch is 6.
6. the startup wind speed detection device for air velocity transducer as claimed in claim 1, is characterized in that, the quantity of described magnetic patch is 8.
7. the startup wind speed detection device for air velocity transducer as claimed in claim 1, is characterized in that, the quantity of described magnetic patch is 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393769.XU CN203965464U (en) | 2014-07-16 | 2014-07-16 | Startup wind speed detection device for air velocity transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393769.XU CN203965464U (en) | 2014-07-16 | 2014-07-16 | Startup wind speed detection device for air velocity transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965464U true CN203965464U (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420393769.XU Expired - Fee Related CN203965464U (en) | 2014-07-16 | 2014-07-16 | Startup wind speed detection device for air velocity transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991085A (en) * | 2015-07-31 | 2015-10-21 | 南京信息工程大学 | Wind speed sensor start-up wind speed on-site calibration apparatus and start-up wind speed acquisition method |
-
2014
- 2014-07-16 CN CN201420393769.XU patent/CN203965464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991085A (en) * | 2015-07-31 | 2015-10-21 | 南京信息工程大学 | Wind speed sensor start-up wind speed on-site calibration apparatus and start-up wind speed acquisition method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141126 Termination date: 20160716 |