CN110646637A - Wind direction and wind force indicating device - Google Patents
Wind direction and wind force indicating device Download PDFInfo
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- CN110646637A CN110646637A CN201810677339.3A CN201810677339A CN110646637A CN 110646637 A CN110646637 A CN 110646637A CN 201810677339 A CN201810677339 A CN 201810677339A CN 110646637 A CN110646637 A CN 110646637A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
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Abstract
The invention provides a wind direction and wind power indicating device, and relates to a wind direction and wind power measuring technology. The wind direction and wind power indicating device provided by the invention has the advantages that the wind direction indicating assembly is arranged, so that field personnel can determine the wind direction, namely the source direction of wind according to the direction of the wind vane assembly, meanwhile, the wind direction indicating assembly is arranged on the wind direction indicating assembly, when wind exists, the indicating part in the wind direction indicating assembly can move relative to the marking part under the action of the wind power and indicate the current wind power from the marking part, and when the wind power changes, the indicating part moves relative to the marking part correspondingly. Therefore, the wind direction and wind power indicating device is beneficial to improving the accuracy and timeliness of field personnel for judging wind power.
Description
Technical Field
The invention relates to a wind direction and wind power measuring technology, in particular to a wind direction and wind power indicating device.
Background
Many fields of today involve wind direction measurement, such as oil and gas processing. Generally, a wind direction indicator is installed at a high place of a work site such as an oil and gas processing plant to allow a worker at the site to observe the direction of wind.
In the prior art, the wind direction indicator for the platform and the tower of the petroleum and natural gas treatment plant is arranged at a high position, and safety supervision personnel on site and workers working at high altitude can judge the incoming direction of wind, namely the wind direction, by observing the wind direction indicator. And when the wind power is strong, safety supervision personnel need to organize and arrange the staff of high-altitude operation to terminate the operation and withdraw from the site.
However, the existing wind direction indicator can only indicate the wind direction, and after the safety supervision personnel and the workers working at high places determine the wind direction according to the wind direction indicator, the workers can only feel the intensity of the wind, so that the judgment error is easily caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the wind direction and wind power indicating device which is beneficial to improving the accuracy of field personnel in judging the wind direction of wind power.
The invention provides a wind direction and wind force indicating device, comprising: a wind direction indicating assembly having an indicating arrow for indicating a wind direction; the wind power indicating assembly is arranged on the indicating arrow and is used for indicating wind power; the wind indicating assembly comprises: the identification part is arranged on the indication arrow; and the indicating part is movably connected with the identification part and is used for identifying the current wind power in the identification part.
Optionally, the indication arrow has an arrow body to which a horizontal connecting rod is connected; the wind direction indicating assembly further comprises: the mounting bracket is used for being connected with a carrier, and the horizontal connecting rod is rotatably connected with the mounting bracket.
Optionally, the arrow body is slidably connected with the horizontal connecting rod; the identification part is arranged on one of the horizontal connecting rod and the arrow body, and the indication part is arranged on the other.
Optionally, a mounting hole is formed in one end, facing the arrow body, of the horizontal connecting rod, an elastic piece is arranged in the mounting hole, an identification rod is connected to one end, facing the horizontal connecting rod, of the arrow body, and the identification rod is slidably mounted in the mounting hole and abuts against the elastic piece; wherein the hole wall of the mounting hole towards one end of the arrow body forms the indicating part; the marking rod is provided with a plurality of parallel scale marks, and the scale marks form the marking part.
Optionally, an end of the horizontal connecting rod, which faces away from the arrow body, is connected with a tail wing; the indicating section includes: the pointer is movably connected with the tail wing, a preset included angle is formed between the pointer and the axial direction of the horizontal connecting rod, and the pointer is used for identifying the current wind power in the identification part; and the balance weight is connected to the lower end of the pointer.
Optionally, the pointer is rotatably connected with the tail wing through a first rotating shaft; the identification part comprises a plurality of scale marks arranged on the tail wing, and the scale marks are radially arranged by taking the rotation center of the pointer as the circle center.
Optionally, a torsion spring is sleeved on the first rotating shaft, one end of the torsion spring abuts against the pointer, and the other end of the torsion spring abuts against the tail wing so as to apply a force opposite to the wind direction to the pointer.
Optionally, a sliding groove is arranged on the indication arrow, and the pointer is slidably arranged in the sliding groove; the plurality of scale marks of setting on the fin of sign portion, a plurality of scale marks are parallel to each other.
Optionally, an elastic member is disposed in the sliding groove, and the elastic member abuts between the sliding block and the tail wing to apply a force opposite to a wind direction to the sliding block.
Optionally, the arrow head body is conical.
The wind direction and wind power indicating device provided by the invention has the advantages that the wind direction indicating assembly is arranged, so that field personnel can determine the wind direction, namely the source direction of wind according to the direction of the wind vane assembly, meanwhile, the wind power indicating assembly is arranged on the wind direction indicating assembly, when wind exists, the indicating part in the wind power indicating assembly can move relative to the identifying part under the action of the wind power and indicate the current wind power from the identifying part, and when the wind power changes, the indicating part correspondingly moves relative to the identifying part, so that the field personnel can timely and accurately determine the current wind direction and the wind power according to the position of the indicating part relative to the identifying part. Therefore, the wind direction and wind power indicating device is beneficial to improving the accuracy and timeliness of field personnel for judging wind power.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a first structural schematic view of a wind direction and wind force indicating device according to a first embodiment of the present invention;
fig. 2 is a second structural schematic view of a wind direction and wind force indicating device according to a first embodiment of the present invention;
fig. 3 is a first structural schematic view of a wind direction and wind force indicating device according to a second embodiment;
fig. 4 is a second structural schematic view of the wind direction and wind force indicating device according to the second embodiment;
fig. 5 is a schematic structural diagram of a wind direction and wind force indicating device provided in the third embodiment;
fig. 6 is a schematic state diagram of a wind direction and wind force indicating device provided in the third embodiment.
Description of reference numerals:
1-a wind direction and force indicating device;
11-a wind direction indicating assembly;
111-arrow body;
112-horizontal connecting rods;
113-tail wing; 1131 — a first shaft; 1132-chute; 1133-a limiting part; 1134-a mounting part; 114-a mounting bracket; 115-an identification rod;
12-a wind indicating assembly;
121-a label;
122-an indication part; 1221-pointer; 1222-a balance weight; 1223-a mounting ring; 1224-torsion spring; 1225-a slide; 1226-an elastic member;
2-wind direction.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The terms "upper" and "lower" are used for describing relative positions of the structures in the drawings, and are only for the sake of clarity, but not for limiting the scope of the present invention, and the relative relationship changes or adjustments are also considered to be within the scope of the present invention without substantial technical changes.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, the terms "first" and "second" are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
The present embodiment provides a wind direction and force indicating device 1, including: the wind direction indicating assembly 11 is used for indicating the wind direction 2; the wind direction indicating assembly 12 is mounted on the wind direction indicating assembly 11, and the wind direction indicating assembly 12 is used for indicating wind power.
The wind indicator assembly 12 comprises: a flag portion 121, the flag portion 121 being provided on the wind direction indicating assembly 11; and an indicating part 122, wherein the indicating part 122 is rotatably connected with the wind direction indicating assembly 11, and the indicating part 122 is used for identifying the current wind power in the identification part 121.
The indication unit 122 includes: a pointer 1221 for identifying the current wind power in the identification part 121; the lower end of the pointer 1221 is also connected to a weight 1222.
In some embodiments, the wind direction indicating component 11 may be a rod body, and an end of the rod body is used for indicating the wind direction 2; the wind power indicating component 12 is installed on the rod body, and can be specifically installed in the middle of the rod body, so that the gravity center of the wind power indicating component 12 coincides with the gravity center of the rod body, and the rod body is favorably kept in a horizontal state.
In some embodiments, the wind direction indicating assembly 11 may include: the indication arrow is always kept parallel to the horizontal direction, the direction of the indication arrow can be parallel to the wind direction 2, the direction of the indication arrow can be specifically opposite to the wind direction 2, the indication arrow can rotate along with the wind direction 2, and the specific implementation mode of the indication arrow can adopt a conventional arrangement.
The indication arrow may specifically include: the arrow body 111, the horizontal connecting rod 112 is connected to the arrow body 111, the horizontal connecting rod 112 may be in a cubic shape, a cylindrical shape, etc., and the horizontal connecting rod 112 has a greater strength to reliably support the arrow body 111 and ensure the operational reliability of the wind direction indicating assembly 11.
The horizontal connecting rod 112 is further rotatably connected with a mounting bracket 114, the mounting bracket 114 is used for being connected with a carrier, the mounting bracket 114 is connected with one end of the horizontal connecting rod 112 close to the tail wing 113 so as to better balance the horizontal connecting rod 112, and the arrow body 111 and the horizontal connecting rod 112 are always kept parallel to the horizontal direction. The mounting bracket 114 may be provided with a second rotating shaft extending upward, the horizontal connecting rod 112 is provided with a second shaft hole, the second rotating shaft is inserted into the second shaft hole, and a portion of the second rotating shaft extending out of the second shaft hole may be provided with a limiting member, which may be a nut, a limiting rod, etc., so as to limit the horizontal connecting rod 112 to move upward relative to the second rotating shaft and separate from the second rotating shaft, thereby ensuring the operational reliability of the wind direction indicating assembly 11. Of course, the connection manner of the horizontal connecting rod 112 and the mounting bracket 114 is not limited thereto, and the embodiment is only illustrated here.
An end of the horizontal connecting rod 112 facing away from the arrow body 111 is connected with a tail wing 113, and the wind indicating assembly 12 is mounted on the tail wing 113. The tail fin 113 is embodied as a plate body having two oppositely disposed surfaces, at least one of which the wind indicating assembly 12 is mounted.
Optionally, the wind indicating assemblies 12 may be symmetrically installed on two opposite surfaces, so that the two sides of the wind indicating assembly 11 are uniformly stressed, which is beneficial to keeping the balance of the wind indicating assembly 11 and ensuring the accuracy of the wind direction 2 determination, and meanwhile, the wind forces indicated by the wind indicating assemblies 12 on the two sides can be compared, and the reliability of the wind indicating assembly 12 is judged and detected according to whether the wind forces are consistent, which is beneficial to the field personnel to find the wind indicating assembly 12 with a fault in time; for example: when the difference between the wind forces indicated by the two wind indicating assemblies 12 is greater than a threshold value, it indicates that at least one of the wind indicating assemblies 12 is malfunctioning.
Of course, the structure of the wind direction indicating assembly 11 is not limited thereto, and the embodiment is only illustrated here.
The wind indicating assembly 12 may include: a flag portion 121, the flag portion 121 being provided on the wind direction indicating assembly 11; and an indicating part 122, wherein the indicating part 122 is movably connected with the wind direction indicating assembly 11, and the indicating part 122 is used for identifying the current wind power in the identification part 121.
The indicating portion 122 is rotatably connected to the wind direction indicating assembly 11 via a first rotating shaft 1131. Specifically, a first shaft hole is formed in the indication portion 122, the first rotating shaft 1131 is disposed on the tail wing 113 of the wind direction indication assembly 11, the first rotating shaft 1131 is disposed in the first shaft hole in a penetrating manner, and a limiting member may be disposed on a portion of the first rotating shaft 1131 extending out of the first shaft hole, where the limiting member may be a nut, a limiting rod, or the like, so as to limit the indication portion 122 from being separated from the first rotating shaft 1131.
Further, for example: a micro bearing may be disposed between the first shaft 1131 and the first shaft hole to ensure that the first shaft 1131 can rotate smoothly in the first shaft hole.
Of course, the manner of the rotational connection between the indication portion 122 and the wind direction indicating assembly 11 is not limited thereto, and the embodiment is only illustrated here.
The indicating section 122 includes: a pointer 1221 for identifying the current wind power in the identification part 121; the lower end of the pointer 1221 is also connected to a weight 1222. Accordingly, the indication portion 121 includes a plurality of scale lines, and the scale lines are uniformly arranged in a radial shape with the rotation center of the indication portion 122 as a center.
The upper end of the pointer 1221 may be provided with a first arrow for aligning with the graduation mark on the identification part 121; the lower end of the pointer 1221 may be provided with a mounting ring 1223, the mounting ring 1223 is connected to the first rotating shaft 1131, and the first rotating shaft 1131 is fixedly connected to the tail 113; a weight 1222 is attached to the end of the mounting ring 1223 facing away from the pointer 1221. The indicating needle 1221, the mounting ring 1223, and the balance weight 1222 may be integrally formed to improve the operational reliability of the indicating portion 122, and the structure is simple and easy to implement.
Wherein, the surface of the balance weight 1222 parallel to the tail wing 113 may be circular or elliptical to reduce the influence of wind force; of course, the surface of the counterweight 1222 parallel to the tail 113 may be rectangular. Also, the weight 1222 may be parallel to the tail 113 during the swing of the weight 1222 according to the rotation of the pointer 1221, so that the tail 113 may not interfere with the swing of the weight 1222.
The marking part 121 may include a substrate, which may be integrally disposed with the tail fin 113 of the wind direction indicating assembly 11, or fixedly connected by welding, bonding, clamping, or the like; the base plate may be provided projecting from the lateral surface of the tail fin 113 to facilitate observation by field personnel. The base plate can be fan-shaped, is provided with a plurality of scale marks on the base plate, and the scale mark can be for setting up sunken or protruding on the base plate, and a plurality of scale marks use the rotation center of instruction portion 122 to be radial even setting as the centre of a circle.
Of course, the scale marks can also be directly arranged on the tail wing 113, specifically, a plurality of rectangular holes can be formed on the tail wing 113, and the wall of the hole between adjacent rectangular holes forms the scale marks; moreover, rectangular holes are formed in both sides of the tail 113 and penetrate through the tail 113, so that the positions of the pointers 1221 on both sides of the tail 113 can be compared.
Of course, the structure of the sign 121 is not limited thereto, and the sign 121 may also be a plurality of regions having different colors, corresponding to different wind forces when the pointer 1221 points to different regions.
In this embodiment, when the pointer 1221 is in the initial state, the pointer 1221 is perpendicular to the wind direction 2 by the gravity of the weight 1222 at the lower end of the pointer 1221. When wind exists, the wind can push the pointer 1221 to rotate against the gravity of the balance block 1222, when the moment of the wind acting on the pointer 1221 is balanced with the moment of the balance block 1222 acting on the pointer 1221, the pointer 1221 is indicated on the scale mark corresponding to the current wind on the identification part 121 and is kept, and a field operator can quickly determine the current wind by reading the scale mark; when the wind power changes, the scale line indicated by the pointer 1221 may also change accordingly.
Among these, it is understood that: the weight of the counterbalance 1222 can be set according to actual needs, and this embodiment is not particularly limited.
Optionally, a torsion spring 1224 is sleeved on the first rotating shaft 1131, one end of the torsion spring 1224 abuts against the indicating part 122, and the other end of the torsion spring 1224 abuts against the wind direction indicating assembly 11 to apply a force opposite to the wind direction 2 to the indicating part 122.
One end of the torsion spring 1224 may specifically be sleeved on the pointer 1221, and the other end of the torsion spring 1224 may abut against the mounting portion 1134 disposed on the wind direction indicating assembly 11; the mounting portion 1134 may be a cylinder, a plate, etc., as long as the torsion spring 1224 can perform its function.
At this time, when wind exists, the wind pushes the pointer 1221 to rotate against the acting force of the balance weight 1222 and the torsion spring 1224, and when the moment of the wind acting on the pointer 1221 is balanced with the moment of the balance weight 1222 and the torsion spring 1224 acting on the pointer 1221, the pointer 1221 is indicated on the scale mark corresponding to the current wind force on the identification part 121 and is maintained, so that the field worker can quickly determine the current wind force by reading the scale mark.
In this embodiment, by providing the torsion spring 1224, the rotation of the pointer 1221 is more stable, which is beneficial to ensuring the stability of the rotation of the pointer 1221 and is beneficial to restoring the pointer 1221 to the original position. Meanwhile, by arranging the torsion spring 1224 and the balance weight 1222, the balance weight 1222 is further beneficial to ensuring the working reliability of the torsion spring 1224, and the pointer 1221 is prevented from crushing the torsion spring 1224 when the wind power is too large, so that the working reliability of the wind direction and wind power indicating device 1 is improved.
Optionally, a limiting portion 1133 is further disposed on the wind direction indicating assembly 11, and the limiting portion 1133 is configured to limit the pointer 1221 located at the initial position to move towards a direction opposite to the wind direction 2, so as to ensure that the pointer 1221 can normally achieve its function.
In the wind direction and wind force indicating device 1 provided by the embodiment, the wind direction indicating assembly 11 is arranged, so that site personnel can determine the wind direction 2, namely the source direction of wind according to the direction of the wind vane assembly, meanwhile, the wind force indicating assembly 12 is arranged on the wind direction indicating assembly 11, when wind exists, the indicating part 122 in the wind force indicating assembly 12 can move relative to the mark part 121 under the action of wind force and indicate the current wind force from the mark part 121, and when the wind force changes, the indicating part 122 correspondingly moves relative to the mark part 121, so that the site personnel can timely and accurately determine the current wind direction and the wind force according to the position of the indicating part 122 relative to the mark part 121. Therefore, the wind direction and wind power indicating device 1 of the present embodiment helps to improve the accuracy and timeliness of judgment of wind power by field personnel.
Example two
The present embodiment provides a wind direction and force indicating device 1, including: the wind direction indicating assembly 11 is used for indicating the wind direction 2; the wind direction indicating assembly 12 is mounted on the wind direction indicating assembly 11, and the wind direction indicating assembly 12 is used for indicating wind power.
The wind indicator assembly 12 comprises: a flag portion 121, the flag portion 121 being provided on the wind direction indicating assembly 11; and an indicating part 122, wherein the indicating part 122 is connected with the wind direction indicating assembly 11 in a sliding manner, and the indicating part 122 is used for identifying the current wind power in the identification part 121.
The indication unit 122 includes: a pointer 1221 for identifying the current wind power in the identification part 121; the lower end of the pointer 1221 is also connected to a weight 1222.
In some embodiments, the wind direction indicating component 11 may be a rod body, and an end of the rod body is used for indicating the wind direction 2; the wind power indicating component 12 is installed on the rod body, and can be specifically installed in the middle of the rod body, so that the gravity center of the wind power indicating component 12 coincides with the gravity center of the rod body, and the rod body is favorably kept in a horizontal state.
In some embodiments, the wind direction indicating assembly 11 may include: the indication arrow is always kept parallel to the horizontal direction, the direction of the indication arrow can be parallel to the wind direction 2, the direction of the indication arrow can be specifically opposite to the wind direction 2, the indication arrow can rotate along with the wind direction 2, and the specific implementation mode of the indication arrow can adopt a conventional arrangement.
The indication arrow has an arrow body 111, the arrow body 111 is connected with a horizontal connecting rod 112, the horizontal connecting rod 112 can be in a cubic shape, a cylindrical shape and the like, and the horizontal connecting rod 112 has greater strength to reliably support the arrow body 111 and ensure the working reliability of the wind direction indicating assembly 11.
The horizontal connecting rod 112 is further rotatably connected with a mounting bracket 114, the mounting bracket 114 is used for carrier connection, and the mounting bracket 114 is connected with one end, close to the tail wing 113, of the horizontal connecting rod 112 so as to better balance the horizontal connecting rod 112 and facilitate the arrow body 111 and the horizontal connecting rod 112 to be always kept parallel to the horizontal direction. The mounting bracket 114 may be provided with a second rotating shaft extending upward, the horizontal connecting rod 112 is provided with a second shaft hole, the second rotating shaft is inserted into the second shaft hole, and a portion of the second rotating shaft extending out of the second shaft hole may be provided with a limiting member, which may be a nut, a limiting rod, etc., so as to limit the horizontal connecting rod 112 to move upward relative to the second rotating shaft and separate from the second rotating shaft, thereby ensuring the operational reliability of the wind direction indicating assembly 11. Of course, the connection manner of the horizontal connecting rod 112 and the mounting bracket 114 is not limited thereto, and the embodiment is only illustrated here.
An end of the horizontal connecting rod 112 facing away from the arrow body 111 is connected with a tail wing 113, and the wind indicating assembly 12 is mounted on the tail wing 113. The tail fin 113 is embodied as a plate body having two oppositely disposed surfaces, at least one of which the wind indicating assembly 12 is mounted.
Optionally, the wind indicating assemblies 12 may be symmetrically installed on two opposite surfaces, so that the two sides of the wind indicating assembly 11 are uniformly stressed, which is beneficial to keeping the balance of the wind indicating assembly 11 and ensuring the accuracy of the wind direction 2 determination, and meanwhile, the wind forces indicated by the wind indicating assemblies 12 on the two sides can be compared, and the reliability of the wind indicating assembly 12 is judged and detected according to whether the wind forces are consistent, which is beneficial to the field personnel to find the wind indicating assembly 12 with a fault in time; for example: when the difference between the wind forces indicated by the two wind indicating assemblies 12 is greater than a threshold value, it indicates that at least one of the wind indicating assemblies 12 is malfunctioning.
Of course, the structure of the wind direction indicating assembly 11 is not limited thereto, and the embodiment is only illustrated here.
The wind indicating assembly 12 may include: a flag portion 121, the flag portion 121 being provided on the wind direction indicating assembly 11; and an indicating part 122, wherein the indicating part 122 is movably connected with the wind direction indicating assembly 11, and the indicating part 122 is used for identifying the current wind power in the identification part 121.
The indication unit 122 includes: a pointer 1221 for identifying the current wind power in the identification part 121; the lower end of the pointer 1221 is also connected to a weight 1222. Pointer 1221 still is connected with slider 1225, is provided with spout 1132 on the fin 113 of wind direction indication assembly 11, and spout 1132 extends the setting along the direction that is on a parallel with wind direction 2, and slider 1225 slides and sets up in spout 1132. In this case, the indicator 121 includes: a plurality of evenly distributed and mutually parallel scale marks.
In the specific implementation process, a slide rail can be arranged on the surface of the side part of the tail fin 113, and the slide rail can be fixed with the tail fin 113 in a welding mode, a screw connection mode and the like; the slide rail is formed with a sliding groove 1132 engaged with the slider 1225. At this time, a mounting groove may be provided on the surface of the side of the rear wing 113, and the slide rail is mounted in the mounting groove of the rear wing 113 after the slider 1225 is assembled with the slide rail.
The upper end of the pointer 1221 may be provided with a first arrow for aligning with the graduation mark on the identification part 121; the lower end of the pointer 1221 may be provided with a sliding block 1225, and the sliding block 1225 is slidably disposed in the sliding groove 1132 of the tail fin 113; the sliding block 1225 is also fixedly connected with the tail fin 113; the weight 1222 is attached to the end of the slider 1225 facing away from the pointer 1221. The pointer 1221, the slider 1225, and the balance weight 1222 may be integrally disposed to improve the operational reliability of the indicating portion 122, and the structure is simple and easy to implement.
Meanwhile, the slider 1225 may be cube-shaped so that the groove wall of the chute 1132 can limit the rotation of the slider 1225 in the chute 1132.
The marking part 121 may include a substrate, which may be integrally disposed with the tail fin 113 of the wind direction indicating assembly 11, or fixedly connected by welding, bonding, clamping, or the like; may be provided substantially proud of the lateral surface of tail 113 to facilitate viewing by field personnel. The substrate is provided with a plurality of scale marks which can be concave or convex arranged on the substrate, and the scale marks are evenly distributed at intervals along the horizontal direction.
Of course, the scale marks can also be directly arranged on the tail wing 113, specifically, a plurality of rectangular holes can be formed on the tail wing 113, and the wall of the hole between adjacent rectangular holes forms the scale marks; moreover, rectangular holes are formed in both sides of the tail 113 and penetrate through the tail 113, so that the positions of the pointers 1221 on both sides of the tail 113 can be compared.
Of course, the structure of the sign 121 is not limited thereto, and the sign 121 may also be a plurality of regions having different colors, corresponding to different wind forces when the pointer 1221 points to different regions.
In this embodiment, when the pointer 1221 is in the initial state, the pointer 1221 is perpendicular to the wind direction 2 by the weight 1222 at the lower end of the pointer 1221. When wind exists, the wind can push the pointer 1221 to overcome the acting force of the balance block 1222 and slide in the sliding groove 1132, when the force of the wind acting on the pointer 1221 is balanced with the friction force of the balance block 1222 and the sliding groove 1132, the pointer 1221 is indicated on and maintained on a scale mark corresponding to the current wind force on the identification part 121, and a field operator can quickly determine the current wind force by reading the scale mark; when the wind power changes, the scale line indicated by the pointer 1221 may also change accordingly.
In addition, in this embodiment, the sliding groove 1132 extends in a direction parallel to the wind direction 2, so that stability of the pointer 1221 is maintained, and reliable implementation of the indicating function of the pointer 1221 is ensured.
In addition, in order to ensure that the pointer 1221 can smoothly return to the initial position when there is no wind, the sliding groove 1132 may be inclined with respect to the horizontal plane, specifically, inclined upward gradually from one end toward the arrow body 111 to the other end, so that, after wind stops, the slider 1225 may move downward toward the arrow body 111 along the sliding groove 1132 under the gravity of the balance 1222 until the slider 1225 returns to the initial position with the pointer 1221.
Among these, it is understood that: the weight of the counterbalance 1222 can be set according to actual needs, and this embodiment is not particularly limited.
Optionally, an elastic member 1226 is disposed in the sliding slot 1132, and the elastic member 1226 abuts between the sliding block 1225 and the wind direction indicating assembly 11 to apply a force opposite to the wind direction 2 to the sliding block 1225.
The elastic member 1226 may be a spring, and two ends of the spring are fixed to the slider 1225 and the tail 113, respectively; at this time, the sliding groove 1132 may be provided with a positioning column, and at least a part of the spring is sleeved on the positioning column to ensure that the spring extends and retracts along the axial direction thereof; at this time, it can be understood that the length and the installation position of the positioning pillar need to be free from the slider 1225 so as not to interfere with the sliding of the slider 1225. The elastic member 1226 may also be a rubber column, and both ends of the rubber column are fixed to the slider 1225 and the tail fin 113, respectively.
At this time, when wind exists, the wind pushes the indicating needle 1221 to move against the acting force of the balance weight 1222 and the elastic member 1226, and when the force of the wind acting on the indicating needle 1221 is balanced with the acting force of the balance weight 1222 and the elastic member 1226, the indicating needle 1221 indicates and maintains the graduation line corresponding to the current wind force on the indication part 121, and the field worker can quickly determine the current wind force by reading the graduation line.
In this embodiment, by providing the elastic member 1226, the movement of the pointer 1221 is more stable, which is beneficial to ensuring the stability of the movement of the pointer 1221, and is beneficial to restoring the original position of the pointer 1221. Meanwhile, by arranging the elastic element 1226 and the balance weight 1222, the balance weight 1222 is further beneficial to ensuring the operational reliability of the elastic element 1226, and the pointer 1221 is prevented from crushing the elastic element 1226 when the wind force is too large, so that the operational reliability of the wind direction and force indicating device 1 is improved.
Optionally, a limiting portion is further disposed on the wind direction indicating assembly 11, and the limiting portion is configured to limit the pointer 1221 located at the initial position to move towards a direction opposite to the wind direction 2, so as to ensure that the pointer 1221 can normally achieve its function. The limiting portion may be formed by a groove wall of one end of the sliding groove 1132 facing the initial position; of course, the structure of the limiting portion is not limited thereto, and the embodiment is only illustrated here. In the wind direction and wind force indicating device 1 provided by the embodiment, the wind direction indicating assembly 11 is provided, so that site personnel can determine the wind direction 2, namely the source direction of wind according to the direction of the wind vane assembly, meanwhile, the wind force indicating assembly 12 is provided on the wind direction indicating assembly 11, when wind exists, the indicating part 122 in the wind force indicating assembly 12 can move relative to the mark part 121 under the action of wind force and indicate the current wind force from the mark part 121, and when the wind force changes, the indicating part 122 correspondingly moves relative to the mark part 121, so that the site personnel can timely and accurately determine the current wind direction and the wind force according to the position of the indicating part 122 relative to the mark part 121. Therefore, the wind direction and wind power indicating device 1 of the present embodiment helps to improve the accuracy and timeliness of judgment of wind power by field personnel.
EXAMPLE III
Fig. 5 is a schematic structural diagram of a wind direction and wind force indicating device provided in the third embodiment; fig. 6 is a schematic state diagram of a wind direction and wind force indicating device provided in the third embodiment.
Referring to fig. 5 to 6, the present embodiment provides a wind direction and wind force indicating device 1, including: the wind direction indicating assembly 11 is used for indicating the wind direction 2; the wind direction indicating assembly 12 is mounted on the wind direction indicating assembly 11, and the wind direction indicating assembly 12 is used for indicating wind power.
The wind indicator assembly 12 comprises: a flag portion 121, the flag portion 121 being provided on the wind direction indicating assembly 11; and an indicating part 122, wherein the indicating part 122 is movably connected with the marking part 121, and the indicating part 122 is used for marking the current wind power in the marking part 121.
In some embodiments, the wind direction indicating component 11 may be a rod body, and an end of the rod body is used for indicating the wind direction 2; the wind power indicating component 12 is installed on the rod body, and can be specifically installed in the middle of the rod body, so that the gravity center of the wind power indicating component 12 coincides with the gravity center of the rod body, and the rod body is favorably kept in a horizontal state.
In some embodiments, the wind direction indicating assembly 11 may include: the indication arrow is always kept parallel to the horizontal direction, the direction of the indication arrow can be parallel to the wind direction 2, the direction of the indication arrow can be specifically opposite to the wind direction 2, the indication arrow can rotate along with the wind direction 2, and the specific implementation mode of the indication arrow can adopt a conventional arrangement. The indication arrow may specifically include: the arrow body 111, the horizontal connecting rod 112 is connected to the arrow body 111, the horizontal connecting rod 112 may be in a cubic shape, a cylindrical shape, etc., and the horizontal connecting rod 112 has a greater strength to reliably support the arrow body 111 and ensure the operational reliability of the wind direction indicating assembly 11.
The horizontal connecting rod 112 is further rotatably connected with a mounting bracket 114, the mounting bracket 114 is used for carrier connection, the mounting bracket 114 is connected with one end of the horizontal connecting rod 112 close to the tail wing 113 so as to better balance the horizontal connecting rod 112, and the arrow body 111 and the horizontal connecting rod 112 are always kept parallel to the horizontal direction. The mounting bracket 114 may be provided with a second rotating shaft extending upward, the horizontal connecting rod 112 is provided with a second shaft hole, the second rotating shaft is inserted into the second shaft hole, and a portion of the second rotating shaft extending out of the second shaft hole may be provided with a limiting member, which may be a nut, a limiting rod, etc., so as to limit the horizontal connecting rod 112 to move upward relative to the second rotating shaft and separate from the second rotating shaft, thereby ensuring the operational reliability of the wind direction indicating assembly 11. Of course, the connection manner of the horizontal connecting rod 112 and the mounting bracket 114 is not limited thereto, and the embodiment is only illustrated here.
One end of the horizontal connecting rod 112, which is far away from the arrow body 111, is connected with a tail wing 113, and the shape and the weight of the tail wing 113 can be set according to actual needs, so as to be beneficial to keeping the indication arrow horizontal.
In this embodiment, the arrow body 111 is slidably connected to the horizontal connecting rod 112; the indicator 121 is provided on one of the horizontal link rod 112 and the arrow body 111, and the indicator 122 is provided on the other.
In one optional embodiment, a mounting hole is formed at one end of the horizontal connecting rod 112 facing the arrow body 111, an elastic piece 1226 is arranged in the mounting hole, an identification rod 115 is connected to one end of the arrow body 111 facing the horizontal connecting rod 112, and the identification rod 115 is slidably mounted in the mounting hole and abuts against the elastic piece 1226; wherein, one end of the mounting hole facing the arrow body 111 forms an indicating part 122; the marking lever 115 is provided with a plurality of scale lines parallel to each other, and the plurality of scale lines form a marking 121.
Wherein, a stopping part is arranged at one end of the mounting hole facing the arrow body 111; the stop portion may be a stop ring extending in the circumferential direction of the mounting hole, or the stop portion may be a plurality of stop protrusions provided on a hole wall of the mounting hole. Accordingly, the end of the marking rod 115 facing the mounting hole is provided with a folded edge folded outwards, and the folded edge is located at the side of the stopping portion facing the elastic member 1226, so as to prevent the arrow body 111 and the marking rod 115 from being separated from the mounting hole of the horizontal connecting rod 112.
And, the pore wall of mounting hole can be provided with at least one sand discharge hole to make the sand that gets into in the mounting hole can be followed the sand discharge hole and discharged, guarantee wind direction wind-force indicating device 1's operational reliability.
In the present embodiment, when there is no wind, the indicating portion 122 is in the initial state by the elastic member 1226. When wind exists, the wind can overcome the elastic piece 1226 and push the arrow body 111 and the identification rod 115 to move along the direction of compressing the elastic piece 1226, when the acting force of the wind is balanced with the acting force of the elastic piece 1226, the arrow body 111 and the identification rod 115 stop moving, at this time, one end of the mounting hole on the horizontal connecting rod 112 facing the arrow body 111 can be aligned with one of the graduation marks on the identification rod 115, or one end of the mounting hole on the horizontal connecting rod 112 facing the arrow body 111 can be located between two adjacent graduation marks, and field personnel can determine the current wind power according to the relative positions of one end of the mounting hole on the horizontal connecting rod 112 facing the arrow body 111, namely the indicating part 122, and the graduation marks in the identification rod 115 in the identification part 121. When the wind power changes, the arrow body 111 and the marking rod 115 move along with the wind power, so that the relative position of the end of the mounting hole of the horizontal connecting rod 112 facing the arrow body 111 and the scale marks in the marking part 121 on the marking rod 115 changes.
In another alternative embodiment, an indicating rod is connected to one end of the arrow body 111 facing the horizontal connecting rod 112, a mounting hole is formed at one end of the indicating rod facing the horizontal connecting rod 112, and an indicating part 122 is formed at one end of the mounting hole facing the horizontal connecting rod 112; be provided with elastic component 1226 in the mounting hole, horizontal connecting rod 112 sets up in the mounting hole towards the one end of arrow body 111 slip and offsets with elastic component 1226, and horizontal connecting rod 112 sets up a plurality of parallel scale marks each other towards the one end of arrow body 111, and a plurality of scale marks form identification portion 121.
Wherein, the mounting hole is provided with a stopping portion towards one end of the horizontal connecting rod 112, and the stopping portion may specifically be a stopping ring extending along the circumferential direction of the mounting hole, or the stopping portion may specifically be provided with a plurality of stopping protrusions on the hole wall of the mounting hole. Accordingly, an end of the horizontal connecting rod 112 facing the arrow body 111 is provided with a turned-out edge on a side of the stopper facing the elastic member 1226 so as not to disengage the horizontal connecting rod 112 from the installation hole of the indication rod.
In the present embodiment, when there is no wind, the indicating portion 122 is in the initial state by the elastic member 1226. When wind exists, the wind can overcome the elastic piece 1226 and push the arrow body 111 and the indicating rod to move along the direction of compressing the elastic piece 1226, when the acting force of the wind is balanced with the acting force of the elastic piece 1226, the arrow body 111 and the indicating rod stop moving, at this moment, one end of the mounting hole on the indicating rod, facing the horizontal connecting rod 112, can be aligned with one of the scale marks on the horizontal connecting rod 112, or one end of the mounting hole on the indicating rod, facing the horizontal connecting rod 112, can be located between two adjacent scale marks, and field personnel can determine the current wind power according to the relative positions of one end of the mounting hole on the indicating rod, facing the horizontal connecting rod 112, and the scale marks on the horizontal connecting rod 112. When the wind power changes, the arrow body 111 and the indicating rod move along with the wind power, so that the relative position of the end of the installing hole on the indicating rod facing the horizontal connecting rod 112 and the scale mark on the horizontal connecting rod 112 changes.
And, the pore wall of mounting hole can be provided with at least one sand discharge hole to make the sand that gets into in the mounting hole can be followed the sand discharge hole and discharged, guarantee wind direction wind-force indicating device 1's operational reliability.
In the wind direction and wind force indicating device 1 provided by the embodiment, the wind direction indicating assembly 11 is provided, so that site personnel can determine the wind direction 2, namely the source direction of wind according to the direction of the wind vane assembly, meanwhile, the wind force indicating assembly 12 is provided on the wind direction indicating assembly 11, when wind exists, the indicating part 122 in the wind force indicating assembly 12 can move relative to the mark part 121 under the action of wind force and indicate the current wind force from the mark part 121, and when the wind force changes, the indicating part 122 correspondingly moves relative to the mark part 121, so that the site personnel can timely and accurately determine the current wind direction and the wind force according to the position of the indicating part 122 relative to the mark part 121. Therefore, the wind direction and wind power indicating device 1 of the present embodiment helps to improve the accuracy and timeliness of judgment of wind power by field personnel.
In addition, the tail wings 113 can be multiple and are all arranged in parallel to the wind direction 2, so as to better balance the wind direction and wind force indicating device 1, and the arrow body 111 and the horizontal connecting rod 112 are beneficial to always keeping parallel to the wind direction 2. Wherein, each tail fin 113 can be symmetrically distributed along the axial direction of the horizontal connecting rod 112, for example: the fins 113 may be evenly distributed over a circumference.
The arrow body 111 may be conical, and the diameter of the arrow body 111 gradually increases from one end away from the horizontal connecting rod 112 to the other end. Moreover, in order to better balance the wind direction and direction indicating device 1, a lightening hole may be provided in the arrow body 111, or the arrow body 111 may be provided as a hollow structure.
In addition, the wind direction and wind force indicating device 1 provided by the embodiment has stronger adaptability to wind, for example, when an included angle exists between the wind direction 2 and the horizontal direction, the wind direction and the wind force can be accurately indicated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A wind direction and force indicating device, comprising:
a wind direction indicating assembly having an indicating arrow for indicating a wind direction;
the wind power indicating assembly is arranged on the indicating arrow and is used for indicating wind power; the wind indicating assembly comprises: the identification part is arranged on the indication arrow; and the indicating part is movably connected with the identification part and is used for identifying the current wind power in the identification part.
2. The wind direction and force indicating device of claim 1, wherein said indicating arrow has an arrow body to which a horizontal connecting rod is connected,
the wind direction indicating assembly further comprises: the mounting bracket is used for being connected with a carrier, and the horizontal connecting rod is rotatably connected with the mounting bracket.
3. The wind direction and force indicator of claim 2, wherein said arrow body is slidably connected to said horizontal connecting rod; the identification part is arranged on one of the horizontal connecting rod and the arrow body, and the indication part is arranged on the other.
4. The wind direction and force indicating device of claim 3, wherein a mounting hole is formed at one end of the horizontal connecting rod facing the arrow body, an elastic member is arranged in the mounting hole, and an identification rod is connected to one end of the arrow body facing the horizontal connecting rod and is slidably mounted in the mounting hole and abuts against the elastic member;
wherein the one end of the mounting hole towards the arrow body forms the indicating part; the marking rod is provided with a plurality of parallel scale marks, and the scale marks form the marking part.
5. The wind direction and force indicating device of claim 2, wherein an end of the horizontal connecting rod facing away from the arrow body is connected with a tail;
the indicating section includes: the pointer is movably connected with the tail wing, a preset included angle is formed between the pointer and the axial direction of the horizontal connecting rod, and the pointer is used for identifying the current wind power in the identification part; and the balance weight is connected to the lower end of the pointer.
6. The wind direction and force indicating device of claim 5 wherein said pointer is rotatably connected to said tail by a first shaft;
the identification part comprises a plurality of scale marks arranged on the tail wing, and the scale marks are radially arranged by taking the rotation center of the pointer as the circle center.
7. The wind direction and force indicating device according to claim 6, wherein a torsion spring is sleeved on the first rotating shaft, one end of the torsion spring abuts against the pointer, and the other end of the torsion spring abuts against the tail wing so as to apply a force opposite to the wind direction to the pointer.
8. The wind direction and force indicating device of claim 5, wherein a sliding groove is arranged on the indicating arrow, and the pointer is slidably arranged in the sliding groove;
the plurality of scale marks of setting on the fin of sign portion, a plurality of scale marks are parallel to each other.
9. The wind direction and force indicating device of claim 8, wherein a resilient member is disposed in the sliding groove and abuts between the sliding block and the tail wing to apply a force to the sliding block opposite to the wind direction.
10. The wind direction and force indicator of any one of claims 2 to 9, said arrowhead body being conical.
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CN201810677339.3A CN110646637A (en) | 2018-06-27 | 2018-06-27 | Wind direction and wind force indicating device |
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CN201810677339.3A CN110646637A (en) | 2018-06-27 | 2018-06-27 | Wind direction and wind force indicating device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10339738A (en) * | 1997-06-09 | 1998-12-22 | Kanto Special Steel Works Ltd | Wind vane for ship |
US8291758B2 (en) * | 2009-04-13 | 2012-10-23 | Ganz Jonathan E | Masthead wind direction indicator illuminator |
CN103645340A (en) * | 2013-12-02 | 2014-03-19 | 无锡合众信息科技有限公司 | A wind direction and wind speed testing apparatus |
CN205374506U (en) * | 2015-12-28 | 2016-07-06 | 中国石油天然气股份有限公司 | Wind direction indicator |
CN205581135U (en) * | 2016-05-09 | 2016-09-14 | 叶云洋 | Wind speed and direction detection device |
CN107290563A (en) * | 2016-04-13 | 2017-10-24 | 北京天诚同创电气有限公司 | Wind direction and speed instrument |
-
2018
- 2018-06-27 CN CN201810677339.3A patent/CN110646637A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10339738A (en) * | 1997-06-09 | 1998-12-22 | Kanto Special Steel Works Ltd | Wind vane for ship |
US8291758B2 (en) * | 2009-04-13 | 2012-10-23 | Ganz Jonathan E | Masthead wind direction indicator illuminator |
CN103645340A (en) * | 2013-12-02 | 2014-03-19 | 无锡合众信息科技有限公司 | A wind direction and wind speed testing apparatus |
CN205374506U (en) * | 2015-12-28 | 2016-07-06 | 中国石油天然气股份有限公司 | Wind direction indicator |
CN107290563A (en) * | 2016-04-13 | 2017-10-24 | 北京天诚同创电气有限公司 | Wind direction and speed instrument |
CN205581135U (en) * | 2016-05-09 | 2016-09-14 | 叶云洋 | Wind speed and direction detection device |
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