CN215641336U - Vehicle-mounted wind speed measuring instrument - Google Patents
Vehicle-mounted wind speed measuring instrument Download PDFInfo
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- CN215641336U CN215641336U CN202121196334.2U CN202121196334U CN215641336U CN 215641336 U CN215641336 U CN 215641336U CN 202121196334 U CN202121196334 U CN 202121196334U CN 215641336 U CN215641336 U CN 215641336U
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- fan housing
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- disc
- wind speed
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Abstract
The utility model belongs to the technical field of wind speed testing devices during vehicle running and discloses a vehicle-mounted wind speed measuring instrument. This wind speed measurement appearance includes shell, fan housing pole, telescopic link, telescope tube, disc, level dimension steady device and tension detecting device, the fan housing is installed on the shell, fan housing pole fixed mounting be in on the fan housing, telescopic link one end with the fan housing pole is articulated, and the other end stretches into in the telescope tube and can slide in the telescope tube, the telescope tube with disc fixed connection, disc fixed mounting be in the fan housing, the winding has the stay cord on the disc, the stay cord with tension detecting device connects, level dimension steady device with the fan housing pole is connected and is maintained the fan housing pole and keep horizontal migration. The wind speed measuring instrument can realize accurate measurement of the unidirectional wind speed of the traveling vehicle in the advancing direction.
Description
Technical Field
The utility model belongs to the technical field of wind speed testing devices during vehicle running, and particularly relates to a vehicle-mounted wind speed measuring instrument.
Background
When the noise test of the real vehicle on the professional road is carried out in a test field, the wind speed of the test vehicle in the advancing direction influences the accuracy of the test result in the running process of the vehicle, so that the accurate recording of the wind speed of the advancing direction of the test vehicle plays an important role in the research and analysis of the noise test result.
At present, a professional road real vehicle noise test mainly depends on a meteorological station in a test field to record wind speed and wind direction, but the meteorological station can only record the wind speed and the wind direction relative to a static object, and cannot represent the wind received by the advancing direction of a running vehicle in the running process. In addition, the conventional wind speed measuring device calculates the wind speed by means of the rotating speed of the rotating component, and the order characteristics generated by the rotating component in the rotating process can interfere with the real vehicle noise test result, so that the research and analysis of the real vehicle noise test data are not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vehicle-mounted wind speed measuring instrument, which aims to solve the technical problem that a vehicle-mounted wind speed measuring device in the prior art cannot accurately measure the wind speed applied to a vehicle in the running process.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a vehicular anemometry appearance, includes shell, fan housing pole, telescopic link, telescope tube, disc, level dimension steady device and tension detection device, the fan housing is installed on the shell, fan housing pole fixed mounting be in on the fan housing, telescopic link one end with the fan housing pole is articulated, and the other end stretches into in the telescope tube and can slide in the telescope tube, the telescope tube with disc fixed connection, disc fixed mounting be in the fan housing, the winding has the stay cord on the disc, the stay cord with tension detection device connects, level dimension steady device with the fan housing pole is connected and is maintained the fan housing pole and keep horizontal migration.
The horizontal stability maintaining device comprises a first sliding rod and a second sliding rod, wherein one end of the first sliding rod is fixed on the shell, the other end of the first sliding rod is connected with the fan cover rod in a sliding mode, one end of the second sliding rod is connected with the shell in a sliding mode, and the other end of the second sliding rod is fixedly connected with the fan cover rod.
Preferably, a first sliding rail is installed in the fan cover rod, and the first sliding rod is connected through a first pulley installed in the first sliding rail; and a second sliding rail is arranged on the shell and connected with a second pulley arranged in the second sliding rail.
The tension detection device comprises a spring force sensor and a spring, wherein one end of the spring force sensor is connected with the pull rope, the other end of the spring force sensor is connected with the spring, and the spring is installed on the shell through a spring shell.
Preferably, the pull rope is a flexible steel wire rope.
The shell of the wind speed measuring device can be hinged with the sucker through the sucker support, and the sucker is used for fixing the whole vehicle-mounted wind speed measuring instrument. More preferably, a magnet is bonded to the lower wall of the housing. Compared with a test field in which a meteorological station can only measure the wind speed and the wind direction relative to a static object, the device can measure the wind speed suffered by the mobile equipment.
Preferably, the top wall of the shell is provided with a groove, and the telescopic sleeve penetrates into the groove and is fixedly connected with the disc.
Preferably, the disc is fixedly installed in the fan housing through a triangular bracket.
Compared with the prior art, the vehicle-mounted wind speed measuring instrument with the simple structure provided by the utility model solves the problem that a professional road real vehicle noise test cannot measure the unidirectional wind speed of the vehicle in the advancing direction under the driving state, can realize accurate measurement of the unidirectional wind speed of the vehicle in the advancing direction, and has very important significance for research and analysis of a noise test result. The disk is driven to rotate by the horizontal movement of the fan cover, then the spring force sensor measures the tensile force applied to the disk and converts the tensile force into the measured wind speed, the wind speed is calculated by the rotating speed of the rotating part, the influence of the order characteristics generated by the wind speed measuring instrument on the test result is completely avoided, and the method has very important significance for researching and analyzing the road real vehicle noise result.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle-mounted anemometer provided by the utility model;
FIG. 2 is a schematic diagram of the internal structure of the vehicle-mounted anemometer provided by the present invention;
FIG. 3 is a side view of the vehicle anemometer provided by the present invention;
FIG. 4 is a cross-sectional view of FIG. 4;
FIG. 5 is a cross-sectional view of a disk provided by the present invention;
fig. 6 is a bottom view of the vehicle-mounted anemometer provided by the present invention.
Description of reference numerals:
1. a fan housing; 2. a fan housing rod; 3. a first slide bar; 4. a telescopic rod; 5. a telescopic sleeve; 6. a disc; 7. a triangular bracket; 8. a flexible elastic cord; 9. a spring force sensor; 10. a spring; 11. a spring housing; 12. a second slide rail; 13. a housing; 14. a suction cup; 15. a suction cup holder; 16. a second slide bar; 17. a second pulley; 18. a magnet; 19. a first pulley; 20. a first slide rail.
Detailed Description
The utility model aims to provide a vehicle-mounted wind speed measuring instrument to solve the technical problem that a vehicle-mounted wind speed measuring device in the prior art cannot accurately measure the wind speed applied to a vehicle in the running process.
In order that those skilled in the art will be better able to understand the present invention, the following detailed description of the utility model is given in conjunction with the accompanying drawings.
The utility model provides a vehicular anemometry appearance, includes shell 13, fan housing 1, fan housing pole 2, telescopic link 4, telescopic link 5, disc 6, level dimension steady device and tension detection device, fan housing 1 installs on the shell 13, fan housing pole 2 fixed mounting be in fan housing 1, 4 one end of telescopic link with fan housing pole 2 is articulated, and the other end stretches into in the telescopic link 5 and can slide in the telescopic link 5, telescopic link 5 with disc 6 fixed connection, disc 6 fixed mounting be in the fan housing 1, the winding has the stay cord on the disc 6, the stay cord with tension detection device connects, level dimension steady device with fan housing pole 2 is connected and is maintained fan housing pole 2 and keep horizontal migration.
The horizontal stability maintaining device comprises a first sliding rod 3 and a second sliding rod 16, wherein one end of the first sliding rod 3 is fixed on the shell, the other end of the first sliding rod is connected with the fan cover rod 2 in a sliding mode, one end of the second sliding rod 16 is connected with the shell 13 in a sliding mode, and the other end of the second sliding rod is fixedly connected with the fan cover rod 2.
In this embodiment, a first slide rail 20 is installed in the fan housing rod 2, and the first slide bar 3 is connected through a first pulley 19 installed in the first slide rail 20; the housing is provided with a second slide rail 12, and the second slide bar 16 is connected through a second pulley 17 installed in the second slide rail 12.
The tension detection device comprises a spring force sensor 9 and a spring 10, wherein one end of the spring force sensor 9 is connected with the pull rope, the other end of the spring force sensor is connected with the spring 10, and the spring 10 is installed on the shell through a spring shell 11.
In a preferred embodiment, the pull cord is a flexible steel cord. The shell 13 can be hinged with the suction cup 14 through a suction cup bracket 15, and the suction cup 14 is used for fixing the whole vehicle-mounted anemometer. The housing has a magnet 18 bonded to the lower wall thereof. The top wall of the shell 13 is provided with a groove, and the telescopic sleeve 5 penetrates into the groove and is fixedly connected with the disc 6. The disc 6 is fixedly arranged in the fan cover 1 through a triangular support 7.
In the running process of a vehicle, the wind cover 1 is influenced by wind, the wind cover 1, the wind cover rod 2 and the first sliding rod 3 slide backwards along the first sliding rail 20, the sliding rod 16 and the first sliding rod 3 can support the wind cover rod 2 to always move horizontally, and therefore the windward area and the windward angle of the wind cover 1 are always kept unchanged; at this moment, the fan housing rod 2 can drive the disc 6 to rotate clockwise, the telescopic rod 4 is pulled out from the telescopic sleeve 5, the spring force sensor 9 measures the received pulling force through the flexible steel wire rope extension spring 10, then the measured wind speed is converted according to the formula 1, and the wind speed of the advancing direction of the running vehicle can be obtained according to the following calculation formula:
wherein v is wind speed, m/s; f is the pulling force measured by the spring force sensor, N; c is the air resistance coefficient; rho is air density, kg/m3(ii) a S is the windward area m of the fan cover 12(ii) a The one-way wind speed in the advancing direction of the running vehicle can be accurately obtained through the formula.
When static, spring 10 keeps the balanced free state of atress, and telescopic link 4 receives self action of gravity to retract to telescopic tube 5 in, promotes fan housing pole 2 and wind cover 1 and moves forward, and telescopic link 4 and telescopic tube 5 are vertical state this moment.
The utility model is only used in a straight professional noise test road, and the use in a slope road can influence the test precision; furthermore, the utility model can be expanded to be externally connected with a computer, and when the vehicle runs at a constant speed on a professional flat noise test road, the computer software can record the average wind speed and the instantaneous wind speed of the vehicle-mounted wind speed measuring instrument in the whole test process.
The vehicle-mounted wind speed measuring instrument provided by the utility model is introduced in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and central concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a vehicular anemometry appearance which characterized in that: including shell, fan housing pole, telescopic link, disc, level dimension steady device and tension detection device, the fan housing is installed on the shell, fan housing pole fixed mounting be in on the fan housing, telescopic link one end with the fan housing pole is articulated, and the other end stretches into in the telescopic link and can slide in the telescopic link, the telescopic link with disc fixed connection, disc fixed mounting be in the fan housing, the winding has the stay cord on the disc, the stay cord with tension detection device connects, level dimension steady device with the fan housing pole is connected and is maintained the fan housing pole and keep horizontal migration.
2. The vehicle-mounted anemometer of claim 1 wherein: the horizontal stability maintaining device comprises a first sliding rod and a second sliding rod, one end of the first sliding rod is fixed on the shell, the other end of the first sliding rod is connected with the fan cover rod in a sliding mode, one end of the second sliding rod is connected with the shell in a sliding mode, and the other end of the second sliding rod is fixedly connected with the fan cover rod.
3. The vehicle-mounted anemometer of claim 2 wherein: a first sliding rail is arranged in the fan cover rod and connected through a first pulley arranged in the first sliding rail; and a second sliding rail is arranged on the shell and connected with a second pulley arranged in the second sliding rail.
4. The vehicle-mounted anemometer of claim 1, 2 or 3 wherein: the tension detection device comprises a spring force sensor and a spring, one end of the spring force sensor is connected with the pull rope, the other end of the spring force sensor is connected with the spring, and the spring is installed on the shell through a spring shell.
5. The vehicle-mounted anemometer of claim 1 wherein: the pull rope is a flexible steel wire rope.
6. The vehicle-mounted anemometer of claim 1 wherein: the shell passes through the sucking disc support with the sucking disc is articulated, the sucking disc is used for fixed whole vehicular anemometry appearance.
7. The vehicle-mounted anemometer of claim 1 wherein: and a magnet is bonded on the lower wall of the shell.
8. The vehicle-mounted anemometer of claim 1 wherein: the top wall of the shell is provided with a groove, and the telescopic sleeve penetrates into the groove and is fixedly connected with the disc.
9. The vehicle-mounted anemometer of claim 1 wherein: the disc is fixedly arranged in the fan cover through a triangular support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121196334.2U CN215641336U (en) | 2021-05-31 | 2021-05-31 | Vehicle-mounted wind speed measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121196334.2U CN215641336U (en) | 2021-05-31 | 2021-05-31 | Vehicle-mounted wind speed measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641336U true CN215641336U (en) | 2022-01-25 |
Family
ID=79940345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121196334.2U Active CN215641336U (en) | 2021-05-31 | 2021-05-31 | Vehicle-mounted wind speed measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215641336U (en) |
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2021
- 2021-05-31 CN CN202121196334.2U patent/CN215641336U/en active Active
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