CN210294308U

CN210294308U - Locking mechanism for wind sensor and wind sensor testing device

Info

Publication number: CN210294308U
Application number: CN201921207848.6U
Authority: CN
Inventors: 诸葛杰; 邵乐骥; 缪琛彪
Original assignee: Hangzhou Zuoge Communication Equipment Co ltd
Current assignee: Zuo Ge Micro Systems Hangzhou Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-10
Anticipated expiration: 2029-07-29

Abstract

The application discloses a locking mechanical system and wind sensor testing arrangement for wind sensor, wherein, locking mechanical system includes: the first mounting seat is used for being fixed on the body; the locking rod is arranged on the mounting seat in a sliding mode and is provided with a locking working position and an unlocking working position; the reset spring is sleeved on the locking rod in a sleeved mode, one end of the reset spring is matched with the first mounting seat, and the other end of the reset spring is matched with the locking rod and used for applying elastic force to the locking rod to enable the locking rod to be kept at a locking working position; the first end of the pull wire is connected with the locking rod; the driving element is provided with a movable part which can stretch out and draw back or rotate, the movable part is connected with the second end of the stay wire, and the driving element can drive the stay wire to move when working, so that the locking rod overcomes the elastic force of the reset spring and is switched from the locking working position to the unlocking working position. The switching of two operating modes of the locking rod can be quickly and conveniently realized only by controlling the driving element to work, and the use is very convenient.

Description

Locking mechanism for wind sensor and wind sensor testing device

Technical Field

The utility model relates to a wind sensor's test field, concretely relates to a locking mechanism and wind sensor testing arrangement for wind sensor.

Background

Wind is one of the most prominent observation elements in meteorological observation. Wind has a great influence on industrial and agricultural production, transportation and life of people. The strong wind is one of the main disastrous weathers in China, and also enhances the evaporation effect to ensure that crops are affected with drought due to imbalance of water. In winter, strong wind often causes people and animals in pasturing areas to be lost and frozen due to wind and snow addition and poor visibility, and meanwhile, snow blowing can block roads, so that rescue work is difficult to carry out, and disaster is aggravated; the strong wind in spring has great destructiveness, such as pulling trees, folding seedlings, destroying field and house; typhoon mainly harms city and personnel safety in summer, and causes lodging, falling grains and fruit dropping of high-stem crops, mature crops and fruit trees. Meanwhile, strong wind is a precious energy source which is cheap, pollution-free and inexhaustible, and the development of the resource has wide prospect.

Wind sensors used in automatic stations in the meteorological sector, airports and the like are typically three-cup wind speed sensors and wing vanes. At present, the test and the metrological verification of the wind sensor are carried out under the condition of horizontal wind in a wind tunnel. During the test, need lock the movable part of wind sensor earlier many times, then release, among the prior art, do not have special locking mechanism, lead to the test comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a locking mechanism and wind sensor testing arrangement for wind sensor.

The utility model adopts the following technical scheme:

a locking mechanism for a wind sensor, the wind sensor including a body and a rotating member rotatably disposed on an upper portion of the body, the locking mechanism comprising:

the first mounting seat is used for being fixed on the body;

the locking rod is arranged on the mounting seat in a sliding mode and provided with a locking working position and an unlocking working position, when the locking working position is locked, the locking rod moves upwards and is used for being matched with the rotating piece to prevent the rotating piece from rotating, when the unlocking working position is unlocked, the locking rod moves downwards and is not matched with the rotating piece any more, and the rotating piece can normally rotate;

the reset spring is sleeved on the locking rod in a sleeved mode, one end of the reset spring is matched with the first mounting seat, and the other end of the reset spring is matched with the locking rod and used for applying elastic force to the locking rod to enable the locking rod to be kept at a locking working position;

the first end of the pull wire is connected with the locking rod;

the driving element is provided with a movable part which can stretch out and draw back or rotate, the movable part is connected with the second end of the stay wire, and the driving element can drive the stay wire to move when working, so that the locking rod overcomes the elastic force of the reset spring and is switched from the locking working position to the unlocking working position.

The working principle of the locking mechanism is as follows: when the driving element does not work, the reset spring applies acting force to the locking rod to enable the locking rod to keep an upward extending state, so that the locking rod is kept at a locking working position, and when the locking working position is realized, the locking rod is matched with the rotating piece to prevent the rotating piece from rotating; when the driving element works, the driving element drives the stay wire to move, the locking rod overcomes the elastic force of the reset spring and is switched from the locking working position to the unlocking working position, and the rotating piece of the wind sensor can rotate without obstacles. The switching of two working states of the locking rod can be quickly and conveniently realized only by controlling the driving element to work, and the use is very convenient. In actual use, the locking mechanism can realize the static and release of the wind sensor under any wind speed condition.

The driving element can be arranged far away (far away from the wind sensor) by arranging the pull wire, and the structure can prevent the driving element from generating large influence on a wind field near the rotating member.

In one embodiment of the present invention, the locking rod includes a large diameter portion located at the lower side and a small diameter portion located at the upper side, and the small diameter portion is used for cooperating with the rotating member.

The small diameter part is close to the rotating piece, and the small diameter part is small in area and small in influence on a wind field.

In one embodiment of the present invention, the rotating member has a rod portion, and the upper portion of the locking rod has a positioning groove engaged with the rod portion.

Through the cooperation of constant head tank and pole portion, can be better carry on spacingly to the rotating member.

In one embodiment of the present invention, the driving element is a linear motor, a cylinder, an electromagnet or a rotating motor.

In one embodiment of the present invention, the pull wire is a steel wire, and the locking mechanism further includes a sheath sleeved on the steel wire.

In one embodiment of the present invention, the first mounting seat has a sliding hole, the locking rod is slidably disposed on the sliding hole, the locking rod has an anti-disengaging portion engaged with the mounting seat, and the anti-disengaging portion is used to prevent the locking rod from completely disengaging from the sliding hole.

In one embodiment of the present invention, the first mounting seat is fixed to the body through a mounting structure; the mounting structure comprises two clamping pieces, each clamping piece is provided with a first concave area, the two first concave areas form a first clamping hole matched with the body, and the two clamping pieces are connected through a fastener.

The installation structure is convenient to adjust the angle and the height, and when the installation structure is actually used, the fastening piece can be locked after the angle and the height of the clamping piece are adjusted in place.

In one embodiment of the present invention, the two clamping pieces of the mounting structure have second recessed areas, and the two second recessed areas form second clamping holes cooperating with the first mounting seat.

In one embodiment of the present invention, the fastening member includes a bolt and a nut; the fastener is arranged on two sides of the first depressed area and the second depressed area.

In practical use, the bolt can be a common bolt or a butterfly bolt, and when the bolt is the butterfly bolt, the bolt can be directly screwed or unscrewed by hand.

The application also discloses a wind sensor testing arrangement, including fixing base and the bracing piece of being connected with the fixing base, the bracing piece is used for installing the wind sensor, and wind sensor testing arrangement still includes the above a locking mechanism for wind sensor.

The utility model has the advantages that: when the driving element does not work, the reset spring applies acting force to the locking rod to enable the locking rod to keep an upward extending state, so that the locking rod is kept at a locking working position, and when the locking working position is realized, the locking rod is matched with the rotating piece to prevent the rotating piece from rotating; when the driving element works, the driving element drives the stay wire to move, the locking rod overcomes the elastic force of the reset spring and is switched from the locking working position to the unlocking working position, and the rotating piece of the wind sensor can rotate without obstacles. The switching of two working states of the locking rod can be quickly and conveniently realized only by controlling the driving element to work, and the use is very convenient.

Description of the drawings:

FIG. 1 is a schematic structural view of a wind sensor testing device according to embodiment 1;

FIG. 2 is a side view of the wind sensor testing device of embodiment 1;

FIG. 3 is a side view of the wind sensor testing device of example 1 from another angle;

FIG. 4 is a wind direction sensor;

FIG. 5 is another structural schematic of the detent lever;

FIG. 6 is a schematic structural view of a wind sensor testing device according to embodiment 2;

FIG. 7 is a schematic view of the upper dial;

FIG. 8 is a schematic illustration of a laser transmitter emitting laser light;

fig. 9 is a signal diagram acquired by a laser signal receiver.

The figures are numbered:

1. a wind sensor; 2. a body; 3. a rotating member; 4. a rod portion; 5. a first mounting seat; 6. a lock lever; 7. a return spring; 8. a pull wire; 9. a drive element; 10. a large diameter portion; 11. a small diameter part; 12. positioning a groove; 13. a sheath; 14. a clip; 15. a first recessed region; 16. a second recessed region; 17. a support; 18. a horizontal rotating table; 19. a rotating seat; 20. an angular displacement stage; 21. a fixed seat; 22. a support bar; 23. adjusting the foot pad; 24. a second mounting seat; 25. a lower dial; 26. a lower pointer; 27. an upper dial; 28. an upper pointer; 29. a laser transmitter; 30. a laser signal receiver; 31. and a rotating member.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1, a wind sensor testing device, includes the bracing piece 22 that fixing base 21 and fixing base 21 are connected, and bracing piece 22 is used for installing wind sensor 1, as shown in fig. 1 and 4, during the actual application, wind sensor 1 can be wind speed sensor (for example, the wind cup), also can be wind direction sensor (for example, the wind vane), and wind sensor 1 includes body 2 and rotates the rotating member 3 who sets up in body 2 upper portion.

As shown in fig. 1, 2 and 3, the wind sensor testing apparatus further includes a locking mechanism including:

the first mounting seat 5 is used for being fixed on the body 2;

the locking rod 6 is arranged on the mounting seat in a sliding mode, the locking rod 6 is provided with a locking working position and an unlocking working position, when the locking working position is achieved, the locking rod 6 moves upwards and is used for being matched with the rotating piece 3 to prevent the rotating piece 3 from rotating, when the unlocking working position is achieved, the locking rod 6 moves downwards and is not matched with the rotating piece 3 any more, and the rotating piece 3 can normally rotate;

the reset spring 7 is sleeved on the locking rod 6 in a sleeved mode, one end of the reset spring 7 is matched with the first mounting seat 5, and the other end of the reset spring is matched with the locking rod 6 and used for applying elastic force to the locking rod 6 to enable the locking rod 6 to be kept at a locking working position;

a pull wire 8, wherein the first end of the pull wire 8 is connected with the locking rod 6;

the driving element 9 has a movable member (not shown) capable of extending or rotating, the movable member is connected to the second end of the pull wire 8, and the driving element 9 can drive the pull wire 8 to move when operating, so that the locking rod 6 overcomes the elastic force of the return spring 7 to switch from the locking operating position to the unlocking operating position.

The working principle of the locking mechanism is as follows: when the driving element 9 does not work, the return spring 7 applies acting force to the locking rod 6, so that the locking rod 6 keeps an upward extending state, and therefore keeps in a locking working position, and when in the locking working position, the locking rod is used for being matched with the rotating piece 3 to prevent the rotating piece 3 from rotating; when the driving element 9 works, the driving element 9 drives the pull wire 8 to move, so that the locking rod 6 overcomes the elastic force of the return spring 7 and is switched from the locking working position to the unlocking working position, and at the moment, the rotating piece 3 of the wind sensor 1 can rotate without obstacles. The switching of the two working states of the locking rod 6 can be quickly and conveniently realized only by controlling the driving element 9 to work, and the use is very convenient. In actual use, the locking mechanism can realize the static and release of the wind sensor 1 under any wind speed condition.

The driving element 9 can be arranged far (far away from the wind sensor 1) by arranging the pull wire 8, and the structure can prevent the driving element 9 from generating great influence on a wind field near the rotating member 3.

As shown in fig. 3, in the present embodiment, the lock lever 6 includes a large diameter portion 10 on the lower side and a small diameter portion 11 on the upper side, and the small diameter portion 11 is used for engaging with the rotary member 3. The small diameter portion 11 is provided near the rotor 3, and the small diameter portion 11 has a small area and has a small influence on the wind field.

The rotary member 3 has a rod portion 4, and in other embodiments, as shown in fig. 5, the upper portion of the locking lever 6 has a positioning groove 12 for engaging with the rod portion 4. Through the cooperation of constant head tank 12 and pole portion 4, can be better carry on spacingly to rotating member 3.

As shown in fig. 1, in actual use, the driving element 9 is a linear motor, a cylinder, an electromagnet, or a rotary motor.

As shown in fig. 1 and 3, in the present embodiment, the pull wire 8 is a steel wire, and the locking mechanism further includes a sheath 13 covering the steel wire.

In actual use, the first mounting seat 5 has a sliding hole (not shown), the lock lever 6 is slidably disposed in the sliding hole, and the lock lever 6 has a disengagement preventing portion (not shown) engaged with the mounting seat for preventing the lock lever 6 from completely disengaging from the sliding hole.

As shown in fig. 1 and 3, in the present embodiment, the first mounting seat 5 is fixed relative to the body 2 by a mounting structure; the mounting structure includes two clamping pieces 14, each clamping piece 14 has a first recessed area 15, the two first recessed areas 15 form a first clamping hole (not shown) matched with the body 2, and the two clamping pieces 14 are connected through a fastener. The installation structure is arranged in such a way that the angle and the height can be conveniently adjusted, and when the installation structure is actually used, the fastening piece can be locked after the angle and the height of the clamping piece 14 are adjusted in place.

As shown in fig. 1 and 3, in the present embodiment, each of the two clamping pieces 14 of the mounting structure has a second recessed area 16, and the two second recessed areas 16 form a second clamping hole (not shown) matched with the first mounting seat 5.

In this embodiment, the fastener comprises a bolt and a nut; both sides of the first and second recessed

areas

15, 16 are provided with fasteners. In practical use, the bolt can be a common bolt or a butterfly bolt, and when the bolt is the butterfly bolt, the bolt can be directly screwed or unscrewed by hand.

As shown in fig. 1, the wind sensor testing apparatus of the present embodiment further includes:

a bracket 17;

a horizontal rotary table 18 mounted on the upper portion of the bracket 17, the horizontal rotary table 18 having a rotary base 19 capable of rotating about a vertical axis;

the angle displacement platform 20 is installed on the rotating seat 19, the angle displacement platform 20 is provided with a fixed seat 21 capable of rotating around a horizontal axis, the lower end of the supporting rod 22 is fixed with the fixed seat 21, and the upper end of the supporting rod is used for installing the wind sensor 1.

The upper end of bracing piece 22 is used for installing wind sensor 1, and bracing piece 22 can be at horizontal position angle regulation through horizontal rotation platform 18, can be at vertical position angle regulation through angle displacement platform 20, therefore the wind sensor testing arrangement of this application can the position of the regulation wind sensor 1 of multi-angle. When the wind sensor testing device is used, the wind sensor testing device is arranged in a wind tunnel, and the wind sensor 1 can be tested under the non-horizontal wind conditions of various angles and various directions.

In practical use, the horizontal rotating table 18 can adopt an existing horizontal rotating table 18 capable of rotating 360 degrees, the horizontal rotating table 18 generally comprises a first pedestal, a rotating seat 19 rotatably mounted on the first pedestal, and a first servo motor, a first gear is mounted on the rotating seat 19, a second gear is mounted on an output shaft of the first servo motor (or an output shaft of a speed reducer if the speed reducer is mounted), and the first gear is meshed with the second gear.

In practical applications, the angular displacement table 20 may adopt an angular displacement table 20 of the prior art, such as a ± 45 ° angular displacement table 20, the angular displacement table 20 generally includes a second pedestal, a fixing base 21 rotatably mounted on the second pedestal, and a second servo motor, and an output shaft of the second servo motor is linked with the fixing base 21 through a transmission structure (a gear set or a worm and gear structure).

As shown in fig. 1, in the present embodiment, the supporting rod 22 is a retractable supporting rod 22.

The position of the wind sensor 1 can be conveniently adjusted by the telescopic supporting rod 22, and the wind sensor 1 can be positioned at the central position of the working section of the wind tunnel during testing, so that the device can be adapted to wind sensors 1 with various dimensions. In practice, the retractable support rod 22 can be an umbrella or a retractable structure of a selfie stick.

As shown in fig. 1, in the present embodiment, an adjusting foot pad 23 is installed at the bottom of the bracket 17. The height of the wind sensor testing device can be adjusted by the adjusting foot pads 23, and the wind sensor testing device is suitable for different wind tunnels.

As shown in fig. 1, in the present embodiment, the locking mechanism further includes a plurality of second mounting seats 24 fixed on the supporting rod 22, and the second mounting seats 24 are fixed with the sheath 13 for defining the position of the sheath 13.

The wind sensor testing device of this embodiment utilizes horizontal rotation platform 18, angular displacement platform 20 and locking mechanical system can realize the 360 degrees rotational positioning tests of wind sensor 1, combines 45 angular displacement platform 20 simultaneously can realize the slope test of wind sensor 1.

Example 2

As shown in fig. 6 and 7, the present embodiment discloses a wind sensor testing apparatus, which is different from embodiment 1 in that the apparatus further includes a laser assist mechanism, and the laser assist mechanism of the present embodiment includes:

a lower scale 25 fixed to the bracket 17, the lower scale 25 having an angular scale line (not shown) in the circumferential direction;

a lower pointer 26 rotatably mounted on the lower scale 25, the lower pointer 26 being used for pointing to an angle line of the lower scale 25, and a rotation axis of the lower pointer 26 being coincident with an axis of the lower scale 25;

the upper dial 27 is positioned above the lower dial 25, an angle scale line (not shown in the drawing) is arranged on the circumferential direction of the upper dial 27, the upper dial 27 and the lower dial 25 are coaxially arranged, and after the wind sensor 1 is installed on the support rod 22, the wind sensor 1 is arranged between the upper dial 27 and the lower dial 25;

an upper pointer 28 rotatably mounted on the upper scale 27, the upper pointer 28 being used for pointing to the angle line of the upper scale 27;

the laser emitter 29 is relatively fixed with the upper pointer 28, the upper pointer 28 can drive the laser emitter 29 to synchronously rotate when rotating, and the laser emitter 29 is used for emitting laser to the lower dial 25;

and the laser signal receiver 30 is mounted on the lower pointer 26 and is used for collecting the laser signal emitted by the laser emitter 29.

The position of pointer 28 just can change the position that laser emitter 29 transmitted laser on adjusting, and laser emitter 29 can be with laser on hitting down calibrated scale 25, when wind sensor 1 sheltered from the laser, surperficial wind sensor 1 rotated and targets in place, and the installation and the regulation of wind sensor 1 can be assisted to the laser complementary unit of this application, compare with prior art, and is more convenient directly perceived.

During the use, along with wind sensor 1's rotation, wind sensor 1 can shelter from the signal of laser emitter 29 transmission to laser signal receiver 30 can not receive the signal, for example when testing wind sensor 1, the sensor produces and rotates, blocks when the laser when appointed part, can obtain wind sensor 1 from the initial angle and rotate information such as time data when laser beam angle, can assist the detection operation who realizes multiple mode through laser auxiliary mechanism.

In this embodiment, the support rod 22 can be adjusted in position relative to the bracket 17, and when the laser assist mechanism works, the support rod 22 and the lower scale disc 25 are coaxially arranged.

In practical use, the support bar 22 can be directly fixed to the bracket 17, i.e. the support bar 22 cannot be adjusted in angle.

As shown in fig. 6, in the present embodiment, the laser emitter 29 is a linear laser emitter 29. By emitting the in-line laser, the positions of the sub-sensors and other elements can be adjusted more intuitively and conveniently.

As shown in fig. 6, in the present embodiment, the lower scale 25 has a hollow structure, and the support rod 22 passes through the hollow portion of the lower scale 25. The arrangement makes the whole structure compact. The upper dial 27 is a hollow structure, the upper pointer 28 includes a rotating member 31 rotatably mounted at the center of the upper dial 27, and the laser transmitter 29 is mounted on the rotating member 31. This arrangement facilitates the positioning of the laser reflector in the middle of the upper scale 27.

As shown in fig. 6, in the present embodiment, both the lower dial and the upper dial are horizontally disposed.

When the wind sensor is a wind vane (wind direction sensor), the wind sensor testing device of the embodiment can detect the starting wind speed, the resolution, the error and the lag distance of the wind vane by combining the wind tunnel. When the wind sensor is a wind cup (wind speed sensor), the wind sensor testing device of the embodiment can detect the starting wind speed, the resolution and the distance constant of the wind cup by combining the wind tunnel. The specific detection method is as follows:

detecting the starting wind speed of a wind vane, namely vertically fixing the wind vane, and adjusting a support rod to enable the wind vane to be positioned at the central position of the sectional area of the working section of the wind tunnel; the wind vane is rotated to the positions which form 20 degrees and 340 degrees with the axial direction of the wind tunnel, the wind vane is fixed by using the locking mechanism, the wind speed is gradually increased from 0.1m/s for testing, the locking mechanism is unlocked after the wind speed is stable, and the wind speed is recorded if the wind vane moves. And repeating the average value for three times, and comparing the average values of different angles, wherein the maximum value of the average value is the starting wind speed of the wind vane.

Detecting the resolution of a wind vane, namely vertically fixing the wind vane, and adjusting a support rod to enable the wind vane to be positioned at the central position of the sectional area of the working section of the wind tunnel; rotating the wind vane to the positions which form 0 degrees, 30 degrees, 90 degrees, 180 degrees, 240 degrees and 270 degrees with the axial direction of the wind tunnel (using the accurate scale position of the laser emitter target at the top), and fixing the wind vane by using a locking mechanism; and (4) carrying out a test at a wind speed of 5m/s, unlocking the locking mechanism after the wind speed is stable, recording the numerical value output by the wind vane after the wind vane is stable, and comparing the numerical value with the detection angle, wherein the difference value of the numerical value and the detection angle is the wind vane error.

Detecting the lag distance of a wind vane (the lag distance refers to the distance of airflow flowing through a wind direction sensor in the time that the wind vane is released from a certain initial deflection angle and then rotates to 50% of the initial deflection angle under a certain wind speed) -vertically fixing the wind vane, and adjusting a support rod to enable the wind vane to be positioned at the central position of the sectional area of a wind tunnel working section; the laser emitter is adjusted to a specified deflection angle by using the upper dial and the upper pointer, and then the wind vane is locked and adjusted by the locking mechanism to be consistent with the laser direction of a line; then adjusting a lower pointer to enable the laser signal receiver to reach a 50% position of the designated deflection angle; starting the wind tunnel and enabling the wind tunnel to reach the set wind speed, then unlocking the locking mechanism, recording the release time by the system at the time point of 0, acquiring the laser signal receiver at high speed, gradually shielding and removing the laser by the wind vane when the wind vane rotates to block the laser of a word line (see figure 8), as shown in figure 9, reflecting that a descending and ascending response appears on the graph, and taking the time of the lowest point of the curve as the lag distance of the wind vane.

And detecting the starting wind speed of the wind cup, namely vertically fixing the wind cup, adjusting the support rod to enable the wind cup to be positioned at the central position of the sectional area of the working section of the wind tunnel, gradually increasing the wind speed at 0.1m/s to perform a test in a static state of the wind cup, and stopping increasing the wind speed when the wind cup is changed from static to continuous rotation. The average value after repeating the three times is the starting wind speed of the wind cup.

And detecting the resolution of the wind cup, namely vertically fixing the wind cup, and adjusting the support rod to enable the wind cup to be positioned at the central position of the sectional area of the working section of the wind tunnel. And outputting a differential value of a progress quantity which displays the minimum change of the wind speed by the wind cup, namely the resolution of the wind cup.

Detecting a wind cup distance constant (the distance constant of the wind cup, and a physical quantity representing the response degree of the wind cup to the wind speed change, which is equal to 63.2 percent (1-1/e) of the wind speed step change responded by an anemometer, namely the distance of the airflow flowing through a sensor, namely the product of the wind speed and the time constant under the wind speed, usually taking meters as a unit) -vertically fixing the wind cup, and adjusting a support rod to enable the wind cup to be positioned at the center of the sectional area of a working section of the wind tunnel; the wind cup is fixed by a locking mechanism. Starting the wind tunnel, adjusting the wind speed to a set number, releasing the locking mechanism, simultaneously recording the time to be 0, automatically recording the output data of the wind speed sensor by the system at the moment, displaying the output data in a curve form, separately marking the time when the wind speed changes by 63.2% and calculating the distance constant (unit: meter).

During the actual use, the wind sensor testing arrangement of this application can also apply to and detect the wind vane error.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A locking mechanism for a wind sensor, the wind sensor comprising a body and a rotating member rotatably disposed on an upper portion of the body, the locking mechanism comprising:

the first mounting seat is used for being fixed on the body;

the first end of the pull wire is connected with the locking rod;

2. The locking mechanism for a wind sensor according to claim 1, wherein the locking lever includes a large diameter portion at a lower side and a small diameter portion at an upper side, the small diameter portion being adapted to engage with the rotary member.

3. The latch mechanism for a wind sensor according to claim 1 wherein the rotary member has a lever portion and the upper portion of the latch lever has a detent groove that mates with the lever portion.

4. The latch mechanism for a wind sensor according to claim 1 wherein the drive element is a linear motor, a cylinder, an electromagnet or a rotary motor.

5. The latch mechanism for a wind sensor according to claim 1 wherein the pull wire is a steel wire, the latch mechanism further comprising a sheath over the steel wire.

6. The locking mechanism for a wind sensor according to claim 1, wherein the first mounting seat has a slide hole, the locking rod is slidably disposed on the slide hole, and the locking rod has a disengagement preventing portion engaged with the mounting seat for preventing the locking rod from completely disengaging from the slide hole.

7. The latch mechanism for a wind sensor of claim 1 wherein the first mounting block is fixed relative to the body by a mounting structure; the mounting structure comprises two clamping pieces, each clamping piece is provided with a first concave area, the two first concave areas form a first clamping hole matched with the body, and the two clamping pieces are connected through a fastener.

8. The locking mechanism for a wind sensor of claim 7 wherein both clips of the mounting structure have second recessed areas, the second recessed areas forming second clamping holes that mate with the first mounting seat.

9. The locking mechanism for a wind sensor of claim 8, wherein the fastener comprises a bolt and a nut; the fastener is arranged on two sides of the first depressed area and the second depressed area.

10. A wind sensor testing device is characterized by comprising a fixing seat and a supporting rod connected with the fixing seat, wherein the supporting rod is used for mounting a wind sensor, and the wind sensor testing device further comprises a locking mechanism for the wind sensor according to any one of claims 1 to 9.