CN217304237U - Wind gauge and anemometer - Google Patents
Wind gauge and anemometer Download PDFInfo
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- CN217304237U CN217304237U CN202220575865.0U CN202220575865U CN217304237U CN 217304237 U CN217304237 U CN 217304237U CN 202220575865 U CN202220575865 U CN 202220575865U CN 217304237 U CN217304237 U CN 217304237U
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- 238000005259 measurement Methods 0.000 description 3
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- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The application provides a wind pressure gauge includes: a first baffle having a first chamber; the second guide plate is arranged at a distance from the first guide plate, and an air duct is formed between the first guide plate and the second guide plate; a first air pressure sensor disposed within the first chamber; and the first conduction part is arranged on one side surface, facing the air duct, of the first guide plate, the air duct is communicated with the first cavity through the first conduction part, so that the first air pressure sensor can acquire a static pressure value generated by air flowing through the air duct in a wind environment and/or an atmospheric total pressure value in a no-wind environment. In addition, the application also provides an anemometer. The utility model provides a risk such as wind pressure meter, anemograph do not have the bearing and freeze, advance husky, corrode, do not have and detain the foreign matter in the wind cup yet and influence the risk of measuring, it has single hole to reduced the risk that the hole was blockked up by rain/snow/dust, simple structure and reliability are stronger.
Description
Technical Field
The utility model relates to a wind pressure, wind speed measurement field, in particular to anemograph and anemometer.
Background
Currently, common anemometers for outdoor use include a cup type and a multi-hole static pressure type.
The wind cup type anemometer is provided with a wind cup (sometimes called a propeller) which is fixed on a rotating shaft and used for sensing wind, and under the outdoor environment with severe conditions, a bearing of the rotating shaft is easy to freeze, enter sand and corrode, or foreign matters are retained in the wind cup, so that the wind cup type anemometer has the problems of inaccurate measuring result and even incapability of measuring.
Another multi-hole static pressure type anemometer has a cylindrical main body, a plurality of holes (usually 8 holes or 16 holes) are uniformly distributed along the circumferential direction of the main body, a static pressure sensor is arranged in each hole to obtain a plurality of numerical values, and then the wind speed is calculated by combining an algorithm, so that the measured value of the static pressure sensor is easily influenced when any one hole or a plurality of holes are blocked by rain, snow, dust and the like, and further an incorrect calculation result is obtained, namely the reliability of the anemometer is greatly reduced by adopting a series design of the plurality of sensors.
SUMMERY OF THE UTILITY MODEL
In view of the defect that exists among the background art, an aspect of the utility model provides a wind pressure meter, include:
a first baffle having a first chamber;
the second guide plate is arranged at a distance from the first guide plate, and an air duct is formed between the first guide plate and the second guide plate;
a first air pressure sensor disposed within the first chamber; and
the first conduction part is arranged on one side surface, facing the air duct, of the first guide plate, the air duct is communicated with the first cavity through the first conduction part, and therefore the first air pressure sensor can obtain a static pressure value generated by air flowing through the air duct in a windy environment and/or obtain an atmospheric total pressure value in a windless environment.
The utility model discloses an in some embodiments, the wind channel is formed with the constriction portion that the cross-section is less than the rest part to accelerate to flow through under windy environment the velocity of flow of constriction portion air, first conduction portion arrange be formed with the position of constriction portion makes first pressure sensor can acquire to flow through under windy environment the produced static pressure numerical value of air of constriction portion.
In some embodiments of the invention, the first deflector or the second deflector is formed with a protrusion towards the opposite side, so that the air duct forms a constriction.
In some embodiments of the invention, the first deflector and the second deflector are formed with protrusions opposite to each other so that the air duct forms a constriction.
In some embodiments of the invention, the protrusion is formed at a center of the first and second flow guide plates.
In some embodiments of the present invention, the first conduction part is located at the topmost end of the protrusion.
In some embodiments of the present invention, the first guide plate and the second guide plate rely on a plurality of evenly distributed connecting rods for fixed connection, the first guide plate and the second guide plate are formed with a passage in a plurality of directions between them, the passage being located at the center.
In some embodiments of the present invention, the wind pressure gauge comprises: a second chamber disposed within the first baffle; the second conduction part is arranged on the surface, not facing the air duct, of the first guide plate, and the second conduction part is communicated with the second chamber; a second barometric sensor disposed within the second chamber; and the shielding plate is arranged on the first guide plate, is close to and does not seal the second conduction part so as to ensure that the gas at the second conduction part does not flow or flows slowly, and the second air pressure sensor can acquire the total atmospheric pressure value.
In some embodiments of the present invention, the second conduction portion is located on the side wall of the first guide plate, the shielding plate is bent in a direction away from the second guide plate after extending outward from the side wall of the first guide plate, so that the shielding cover is circumferentially formed outside the second conduction portion.
In some embodiments of the present invention, the wind pressure gauge includes: a second chamber disposed within the second baffle; the second conduction part is arranged on the surface, not facing the air duct, of the second guide plate and communicated with the second chamber; a second barometric sensor disposed within the second chamber; and the shielding plate is arranged on the second guide plate, is close to and does not seal the second conduction part so as to ensure that the gas at the second conduction part does not flow or flows slowly, and the second air pressure sensor can acquire the total atmospheric pressure value.
In some embodiments of the present invention, the second conduction portion is located on the side wall of the second guide plate, the shielding plate is bent toward the direction away from the first guide plate after the side wall of the second guide plate extends outward, so that the shielding cover is circumferentially formed outside the second conduction portion.
In some embodiments of the present invention, the wind pressure gauge includes: the second conduction part is arranged on the surface of one side, which does not face the air duct, of the first guide plate, and the second conduction part is also communicated with the first cavity; the first air pressure sensor is a differential pressure sensor, and the first air pressure sensor can acquire a difference value between an atmospheric total pressure value and a static pressure value generated by air flowing through the air duct in a windy environment.
Another aspect of the utility model provides an anemometer, include: a wind pressure gauge as described above; and the control unit can acquire the speed of the air flowing through the air duct according to the static pressure value and the total atmospheric pressure value.
Yet another aspect of the utility model provides an anemometer, include: a wind pressure gauge as described above; and the control unit can acquire the speed of the air flowing through the air duct according to the difference value of the static pressure value and the atmospheric total pressure value
The utility model provides a anemometer, anemograph do not have the pivot like current cup formula anemograph, consequently do not have the bearing and freeze, advance husky, corrode the scheduling risk, do not have the wind cup yet, consequently do not have the wind cup in delay the foreign matter and influence measuring risk. The utility model provides a wind pressure meter does not have a plurality of holes like current porous static pressure formula anemograph to the risk that the hole was stopped up by rain/snow/dust etc. has been reduced. Namely, the utility model provides a wind pressure meter simple structure and reliability are stronger under outdoor conditions.
Drawings
Fig. 1 is a schematic perspective view of a wind pressure gauge 100 according to an embodiment of the present invention;
FIG. 2 is a schematic side view of the wind pressure gauge 100 shown in FIG. 1;
fig. 3 is an exploded view of the wind pressure gauge 100 shown in fig. 1;
fig. 4 is a cross-sectional view of the wind pressure gauge 100 shown in fig. 1;
fig. 5 is a schematic perspective view of a wind pressure gauge 200 according to an embodiment of the present invention;
fig. 6 is an exploded view of the wind pressure gauge 200 shown in fig. 5;
fig. 7 is a sectional view of the wind pressure gauge 200 shown in fig. 5;
fig. 8 is a schematic side view of a wind pressure gauge 300 according to an embodiment of the present invention;
fig. 9 is a cross-sectional view of the wind pressure gauge 300 shown in fig. 8;
fig. 10 is a schematic structural diagram of an anemometer 400 according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of an anemometer 500 according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is described in further detail with reference to the accompanying drawings and specific embodiments. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art.
According to Bernoulli principle P General assembly ＝P 0 +1/2ρν 2 In which P is General assembly The total atmospheric pressure at a certain position in a windless environment; p is 0 Atmospheric static pressure at a certain place in windy environment; ρ is the air density, and ν is the air flow velocity at a certain position, 1/2 ρ ν 2 Is the kinetic energy of air in a certain place under the windy environment. At the knowledge of P General assembly And P 0 Under the condition (3), the theoretical air flow velocity v can be obtained.
As shown in fig. 1 to 4, the present embodiment provides a wind pressure gauge 100 based on the bernoulli principle. Wherein the first baffle 10 has a first chamber 10 a. The first baffle 10 and the second baffle 20 are arranged at intervals, and an air duct 40 is formed between the first baffle 10 and the second baffle 20. The first air pressure sensor 30 is disposed in the first chamber 10 a. A first conduction part 10b (e.g., a vent hole, a vent groove, etc.) is disposed on a surface of the first flow guide plate 10 facing the air duct 40, the air duct 40 is communicated with the first chamber 10a via the first conduction part 10b, so that the first pressure sensor 30 can acquire a static pressure value P generated by air flowing through the air duct 40 in a windy environment 0 And/or obtaining the value P of the total atmospheric pressure in a windless environment General assembly . The first air pressure sensor 30 may be an ABP2MDAN002ND2B3XX type sensor manufactured by honeywell, an SDP810-500PA type sensor manufactured by sendision, an NPB102 type sensor manufactured by sanfranco, or the like.
The wind pressure gauge 100 according to the present embodiment can obtain the total pressure value P of the atmosphere by the first pressure sensor 30 in the windless environment General (1) The static pressure value P generated by the air flowing through the air duct 40 in windy environment can be obtained by the first pressure sensor 30 0 . P to be acquired General assembly And P 0 The numerical value is sent to an external base station or a control system, and the theory of the air passage 40 can be calculatedAir flow velocity v.
It should be noted that the true air flow velocity v through the air duct 40 0 A is a correction parameter obtained by the wind pressure laboratory using the wind pressure meter 100 (a is related to the shape of the first and second flow guide plates 10 and 20).
The wind pressure gauge 100 according to the present embodiment does not have a rotating shaft as in the conventional cup anemometer, and therefore, there is no risk of icing, sand feeding, corrosion, etc. of the bearing, and there is no risk of the foreign matter staying in the cup and affecting the measurement. The wind pressure meter 100 provided by the present embodiment does not have a plurality of holes as in the conventional multihole static pressure type anemometer, thereby reducing the risk of the holes being clogged with rain/snow/dust, etc. That is, the wind pressure gauge 100 provided by the present embodiment has a simple structure and is more reliable under outdoor conditions.
According to the formula (Bernoulli principle), the value P of the total atmospheric pressure at a certain position General (1) Theoretically, a constant value increases the air flow velocity v, and the measurement accuracy of the air pressure sensor 30 can be increased.
Further, the wind channel 40 of the wind pressure gauge 100 provided by the present embodiment is formed with the constricted portion 40a having a smaller cross section than the rest portion to accelerate the flow rate of the air flowing through the constricted portion 40a in the windy environment, and the first conduction portion 10b is disposed at the position where the constricted portion 40a is formed, so that the first pressure sensor 30 can obtain the static pressure value P generated by the air flowing through the constricted portion 40a in the windy environment 0 。
It will be understood by those skilled in the art that at the location of the constriction 40a, the flow path of the air is compressed (the air flow velocity v is increased), and the static pressure value P obtained by the first pressure sensor 30 is taken 0 More accurate and further more accurate the theoretical air flow velocity v back calculated by the external base station or control system.
It should also be noted that the true air flow velocity v through the air duct 40 is 0 B is a correction parameter (b is related to the shape of the first and second deflectors 10 and 20) obtained by the wind pressure meter 100 in the wind pressure laboratory.
In particular, in the present implementationIn the example, in order to form the constricted portion 40a in the air duct 40, the first baffle 10 and the second baffle 20 are formed with protrusions 10c and 20c facing each other (in this case, the correction parameter may be denoted by b) 1 ). In an alternative way, in order to form the constriction 40a of the air duct 40, the first deflector 10 or the second deflector 20 is formed with a bulge towards the opposite side (in this case the correction parameter can be marked b) 2 )。
Further, the projections 10c, 20c are formed at the centers of the first baffle 10 and the second baffle 20, respectively.
Further, the first conduction part 10b is located at the topmost end of the projection 10 c.
Further, the first baffle 10 and the second baffle 20 are fixedly connected by a plurality of uniformly distributed connecting rods 50, and an air duct 40 passing through the center is formed between the first baffle 10 and the second baffle 20 in a plurality of directions.
As shown in fig. 1 and 2, the first baffle 10 and the second baffle 20 of the present embodiment are both in a disk shape, the protrusions 10c and 20c are formed at the center of the disk, and the first conduction part 10b is located at the topmost end of the protrusion 10c, i.e., at the center of the first baffle 10. In fig. 2, three connecting rods 50 are shown by way of example, which are distributed at 120 ° intervals in the circumferential direction and thus form three air ducts 40.
It should be understood by those skilled in the art that the wind pressure gauge 100 provided in the present embodiment does not need to measure the wind direction, and therefore the wind tunnel 40 is formed in multiple directions, and the total atmospheric pressure value P is accurately obtained for the first air pressure sensor 30 General assembly And/or the static pressure value P generated by the air flowing through the air duct 40 0 Is advantageous. Moreover, the design also enables the wind pressure gauge 100 provided by the embodiment to be small in size.
As shown in fig. 5 to 7, the present embodiment provides a wind pressure gauge 200, which further includes a second cavity 10d disposed in the first flow guide plate 10, a second conduction part 10e (for example, a vent hole, a vent groove, etc.) disposed on a surface of the first flow guide plate 10 not facing the air duct 40, the second conduction part 10e is communicated with the second cavity 10d, and the second conduction part 10e is disposed in the second cavity 10dAn air pressure sensor 60. The shielding plate 70 is disposed on the first flow guiding plate 10, and the shielding plate 70 is close to and does not close the second conduction portion 10e, so that the gas at the second conduction portion 10e does not flow or flows slowly, and the second barometric sensor 60 can conveniently obtain the total pressure value P of the atmosphere General assembly . The second air pressure sensor 60 may be an ABP2MDAN002ND2B3XX type sensor manufactured by honeywell, an SDP810-500PA type sensor manufactured by sendision, an NPB102 type sensor manufactured by sanfranco, or the like.
Based on the above structure, it can be understood by those skilled in the art that the present embodiment provides a wind pressure gauge 200 by means of the shielding plate 70 to keep the air at the second conduction part 10e from flowing or flowing slowly, and further, the second barometric pressure sensor 60 can obtain the total pressure value P of the atmosphere in windy environment General assembly Meanwhile, the first air pressure sensor 30 is used to obtain the static pressure value P generated by the air flowing through the air duct 40 0 It does not need to measure twice in windy and no-wind environments, respectively, as with the wind pressure gauge 100.
Further, the second conduction part 10e is located on the sidewall of the first guide plate 10, and the shielding plate 70 extends outward from the sidewall of the first guide plate 10 and bends toward a direction away from the second guide plate 20, so as to form a shielding cover (i.e., an annular windshield cover) circumferentially outside the second conduction part 10 e.
In an alternative embodiment, the second chamber is disposed in the second flow guide plate, the second conduction part is disposed on a surface of the second flow guide plate not facing the air duct, and the second conduction part is communicated with the second chamber. The second baroceptor sets up in the second cavity, and the shielding plate sets up on the second guide plate, and the shielding plate closes on and does not seal the second conduction department to make the gas of second conduction department not flow or flow slowly, the second baroceptor enough acquires atmosphere total pressure numerical value.
Correspondingly, the second conduction part is positioned on the side wall of the second guide plate, and the shielding plate extends outwards from the side wall of the second guide plate and then bends towards the direction far away from the first guide plate, so that a shielding cover is formed on the outer side of the second conduction part in the circumferential direction.
As shown in fig. 8 and 9, the present embodimentThe embodiment provides a wind pressure gauge 300, which is an improvement on the above-mentioned embodiments of the wind pressure gauge 100 and the wind pressure gauge 200 and the modifications thereof, and includes a second chamber 10d disposed in the first guiding plate 10, a second guiding part 10e disposed on a side surface of the first guiding plate 10 not facing the wind channel 40, the second guiding part 10e also communicates with the first chamber 10a, the first pressure sensor 30 is a differential pressure sensor, the first pressure sensor 30 can obtain the total atmospheric pressure value P in the wind environment General (1) The value of static pressure P generated by the air flowing through the air duct 40 0 The difference of (a). The first air pressure sensor 30 may be an ABP2MDAN002ND2B3XX type sensor manufactured by honeywell, an SDP810-500PA type sensor manufactured by sendision, an NPB102 type sensor manufactured by sanfranco, or the like.
Further, the second conduction part 10e is located on the sidewall of the first guide plate 10, and the shielding plate 70 extends outward from the sidewall of the first guide plate 10 and bends toward a direction away from the second guide plate 20, so as to form a shielding cover (i.e., an annular windshield cover) circumferentially outside the second conduction part 10 e.
Based on the above structure, it can be understood by those skilled in the art that the present embodiment provides a wind pressure meter 300 by means of the shielding plate 70 to keep the air at the second conduction part 10e not flowing or flowing slowly, and further, the total pressure value P of the atmosphere can be obtained by means of the first pressure sensor 30 (differential pressure sensor) in a windy environment General assembly The value P of the static pressure generated by the air flowing through the air duct 40 0 The difference of (a).
As shown in fig. 10, the present embodiment provides an anemometer 400, which includes the wind pressure meter 100 or 200 and the control unit 80, the control unit 80 can be used for determining the static pressure value P according to the static pressure value P 0 And the value of the total pressure in the atmosphere P General (1) The velocity of the air flowing through the air duct is obtained.
As shown in fig. 11, the present embodiment provides an anemometer 500, which includes the wind pressure meter 300 and the control unit 80, the control unit 80 can be configured to control the wind pressure according to the static pressure P 0 And the value of the total pressure in the atmosphere P General assembly The difference in the values of (a) and (b) obtains the velocity of the air flowing through the duct.
In the description herein, references to the description of the terms "certain embodiments," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not restrictive. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (15)
1. Wind gauge, its characterized in that includes:
a first baffle having a first chamber;
the second guide plate is arranged at a distance from the first guide plate, and an air duct is formed between the first guide plate and the second guide plate;
a first air pressure sensor disposed within the first chamber; and
the first guide plate is arranged on the first cavity, and the first guide plate faces the first conduction part on one side surface of the air duct.
2. The wind pressure gauge according to claim 1, wherein:
the wind channel is formed with the constriction that the cross-section is less than remaining part to accelerate to flow through under the windy environment the velocity of flow of constriction air, first conduction portion arranges to be formed with the position of constriction makes first pressure sensor can obtain under the windy environment and flow through the produced static pressure numerical value of the air of constriction.
3. The wind pressure gauge according to claim 2, wherein:
the first guide plate or the second guide plate is provided with a bulge towards the opposite side so that the air duct forms a contraction part.
4. The wind pressure gauge according to claim 2, wherein:
the first guide plate and the second guide plate are oppositely provided with bulges so that the air duct forms a contraction part.
5. The wind pressure gauge according to claim 4, wherein:
the protrusion is formed at a center of the first baffle and the second baffle.
6. The wind pressure gauge according to claim 5, wherein:
the first conduction part is positioned at the topmost end of the protrusion.
7. The wind pressure gauge according to claim 5, wherein:
the first guide plate and the second guide plate are fixedly connected through a plurality of uniformly distributed connecting rods, and air channels passing through the center are formed between the first guide plate and the second guide plate in a plurality of directions.
8. The wind pressure gauge according to any one of claims 1 to 7, comprising:
a second chamber disposed within the first baffle;
the second conduction part is arranged on the surface, not facing the air duct, of the first guide plate and communicated with the second chamber;
a second barometric sensor disposed within the second chamber; and
the shielding plate is arranged on the first guide plate, the shielding plate is close to and does not seal the second conduction part, so that gas at the second conduction part does not flow or flows slowly, and the second air pressure sensor can acquire an atmospheric total pressure value.
9. The wind pressure gauge according to claim 8, wherein:
the second conduction part is positioned on the side wall of the first guide plate, and the shielding plate extends outwards from the side wall of the first guide plate and then bends towards the direction far away from the second guide plate, so that a shielding cover is formed on the outer side of the second conduction part in the circumferential direction.
10. The wind pressure gauge according to any one of claims 1 to 7, comprising:
a second chamber disposed within the second baffle;
the second conduction part is arranged on the surface, not facing the air duct, of the second guide plate and communicated with the second chamber;
a second barometric sensor disposed within the second chamber; and
the shielding plate is arranged on the second guide plate, the shielding plate is close to and does not seal the second conduction part, so that gas at the second conduction part does not flow or flows slowly, and the second air pressure sensor can acquire an atmospheric total pressure value.
11. The wind pressure gauge according to claim 10, wherein:
the second conduction part is located on the side wall of the second guide plate, and the shielding plate extends outwards from the side wall of the second guide plate and then bends towards the direction far away from the first guide plate, so that a shielding cover is formed on the outer side of the second conduction part in the circumferential direction.
12. The wind pressure gauge according to any one of claims 1 to 7, comprising:
the second conduction part is arranged on the surface of one side, which does not face the air duct, of the first guide plate, and the second conduction part is also communicated with the first cavity;
the first air pressure sensor is a differential pressure sensor and can acquire the difference value of the total atmospheric pressure value and the static pressure value generated by the air flowing through the air duct in a windy environment.
13. The wind pressure gauge according to claim 12, wherein:
the second conduction part is positioned on the side wall of the first guide plate, and the shielding plate extends outwards from the side wall of the first guide plate and then bends towards the direction far away from the second guide plate so as to form a shielding cover on the outer side of the second conduction part in the circumferential direction.
14. An anemometer, comprising:
the wind pressure gauge according to any one of claims 1-11; and
and the control unit can acquire the speed of the air flowing through the air duct according to the static pressure value and the total atmospheric pressure value.
15. An anemometer, comprising:
the wind pressure gauge according to claim 12 or 13; and
and the control unit can acquire the speed of the air flowing through the air duct according to the difference value of the static pressure value and the atmospheric total pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220575865.0U CN217304237U (en) | 2022-03-16 | 2022-03-16 | Wind gauge and anemometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220575865.0U CN217304237U (en) | 2022-03-16 | 2022-03-16 | Wind gauge and anemometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217304237U true CN217304237U (en) | 2022-08-26 |
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ID=82935961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220575865.0U Expired - Fee Related CN217304237U (en) | 2022-03-16 | 2022-03-16 | Wind gauge and anemometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217304237U (en) |
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2022
- 2022-03-16 CN CN202220575865.0U patent/CN217304237U/en not_active Expired - Fee Related
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