CN210243876U - Rainfall detection device - Google Patents
Rainfall detection device Download PDFInfo
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- CN210243876U CN210243876U CN201921566414.5U CN201921566414U CN210243876U CN 210243876 U CN210243876 U CN 210243876U CN 201921566414 U CN201921566414 U CN 201921566414U CN 210243876 U CN210243876 U CN 210243876U
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- rain cover
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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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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- Environmental & Geological Engineering (AREA)
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
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Abstract
The utility model provides a rainfall detection device includes: an elastic rain cover; the piezoelectric ceramic is arranged on the inner side of the elastic rain cover and can receive deformation of the elastic rain cover; and the signal processing system is electrically connected to the piezoelectric ceramics and is used for processing the signals acquired by the piezoelectric ceramics. Compare in traditional rainfall statistical mode, the utility model discloses in utilize piezoceramics to realize the automated inspection to the rainfall, and under the impact of rainwater, elasticity canopy can give piezoceramics with deformation signal real-time transfer, is giving signal processing system behind the piezoceramics effect and is calculating the processing, the signal acquisition mode of real-time feedback, the sample data of the collection rainfall that can be as much as possible, sample data are more, and is more accurate to the measurement of rainfall.
Description
Technical Field
The utility model relates to a rainwater detects technical field, concretely relates to rainfall detection device.
Background
In the meteorological report, the regional rainfall data mainly comes from the measurement data fed back by the regional rainfall sensor.
In the prior art, the rainfall sensor mostly adopts a weighing type, a tipping bucket type and a siphon type, the above modes all need to manually collect data in the rainfall measuring cylinder or the rain gauge, and the collected data is manually calculated and processed, so that the detection workload is increased, and meanwhile, the accuracy of the measured data is low due to the problems of technical level, experience and the like of personnel.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that rainfall measurement accuracy is low among the prior art to a rainfall detection device is provided.
In order to solve the above problem, the utility model provides a rainfall detection device includes: an elastic rain cover; the piezoelectric ceramic is arranged on the inner side of the elastic rain cover and can receive deformation of the elastic rain cover; and the signal processing system is electrically connected to the piezoelectric ceramics and is used for processing the signals acquired by the piezoelectric ceramics.
Further, the piezoelectric ceramic is adhered to the elastic rain cover by hard glue.
Further, the elastic rain cover is constructed as a thin-walled case of stainless steel.
Further, the elastic rain cover is configured in a cambered surface structure and is bent toward a rain falling direction.
Furthermore, a waterproof coating is arranged on the end face, which is used for bearing rainwater, of the elastic rain cover.
Furthermore, the piezoelectric ceramics are arranged on the inner surface of the elastic rain cover at equal intervals by taking the center of the elastic rain cover as a circle center.
Further, the signal processing system includes: the signal acquisition board is electrically connected to the piezoelectric ceramics and is used for acquiring an electric signal generated by the piezoelectric ceramics; and the main control board is electrically connected to the signal acquisition board and is used for processing the signals acquired by the signal acquisition board.
Further, still include: the signal acquisition board and the main control board are arranged on the carrying platform; the shell is arranged around the carrying platform, and the elastic rain cover is arranged at the upper end of the shell.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a rainfall detection device includes: an elastic rain cover; the piezoelectric ceramic is arranged on the inner side of the elastic rain cover and can receive deformation of the elastic rain cover; and the signal processing system is electrically connected to the piezoelectric ceramics and is used for processing the signals acquired by the piezoelectric ceramics.
When rainfall detection is carried out, falling raindrops act on the elastic rain cover, the elastic rain cover is elastically deformed, signals of deformation are detected by piezoelectric ceramics arranged on the elastic rain cover, the piezoelectric ceramics convert the detected deformation signals into electric signals and transmit the electric signals to the signal processing system, and the signal processing system calculates the rainfall in statistical time according to the electric signals.
Compare in traditional rainfall statistical mode, the utility model discloses in utilize piezoceramics to realize the automated inspection to the rainfall, and under the impact of rainwater, elasticity canopy can give piezoceramics with deformation signal real-time transfer, is giving signal processing system behind the piezoceramics effect and is calculating the processing, the signal acquisition mode of real-time feedback, the sample data of the collection rainfall that can be as much as possible, sample data are more, and is more accurate to the measurement of rainfall.
2. The utility model provides a rainfall detection device piezoceramics is in with the ebonite adhesion elasticity rain is covered, and the mode that the ebonite was pasted can transmit the deformation volume of elasticity rain cover for piezoceramics better to this guarantees the accuracy nature of rainfall acquisition signal end.
3. The utility model provides a rainfall detection device elasticity rain cover is constructed for stainless steel's thin wall casing, and stainless steel can guarantee the structural strength of rain cover, increases whole rainfall detection device's life. In addition, the thin-wall shell structure can also be elastically deformed when the rainfall is small and the impact force of rain is low, so as to ensure the accurate detection of rainfall such as light rain.
4. The utility model provides a rainfall detection device elasticity rain quilt is constructed as ARC structure, and is crooked towards rainwater descending direction. The advantage of this kind of design lies in, and cambered surface structure can guide the rainwater to break away from the surface of elasticity canopy, prevents that the rainwater from piling up on the canopy surface, prevents that accumulational rainwater from influencing the deformation size of elasticity canopy under the action of gravity, and then influences the accuracy nature that the rainfall detected.
5. The utility model provides a rainfall detection device be provided with waterproof coating on the terminal surface that rainwater was accepted to elasticity rain cover, can accelerate the landing of rainwater from elasticity rain cover to shorten the collection interval of every group rainfall acquisition signal, thereby realize the collection to as much rainfall data as possible, improve the precision that detects.
6. The utility model provides a rainfall detection device a plurality of piezoceramics with the center of elasticity rain cover is the centre of a circle, and equidistant setting is in on the internal surface of elasticity rain cover, cambered surface structure's characteristic is the structural strength diverse apart from the position of the different distances of summit or central point, and in order to guarantee under the rainwater impulsive force, the deformation volume that detects is basically the same, the utility model discloses in adopted foretell embodiment to guarantee that piezoceramics detects the accuracy of deformation volume signal.
7. The utility model provides a rainfall detection device still includes: the signal acquisition board and the main control board are arranged on the carrying platform; the shell is arranged around the carrying platform, and the elastic rain cover is arranged at the upper end of the shell. The microscope carrier is convenient for the placement and installation of the rainfall detection device, and the shell can well protect the piezoelectric ceramics, the signal acquisition board, the main control board and other devices inside.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a full-section structure of a rainfall detection device in an embodiment provided by the present invention.
Description of reference numerals:
1-elastic rain cover;
2-piezoelectric ceramics;
3-hard glue;
4-a signal acquisition board;
5, a main control board;
6-carrying platform;
7-shell.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, a rainfall detection device provided for the present embodiment includes an elastic rain cover 1; the piezoelectric ceramics 2 are arranged on the inner side of the elastic rain cover 1, and the piezoelectric ceramics 2 can receive the deformation of the elastic rain cover 1; and the signal processing system is electrically connected to the piezoelectric ceramics 2 and is used for processing the signals collected by the piezoelectric ceramics 2.
When rainfall detection, the falling raindrops act on the elastic rain cover 1, the elastic rain cover 1 is elastically deformed, the deformation signals are detected by the piezoelectric ceramics 2 arranged on the elastic rain cover 1, the piezoelectric ceramics 2 convert the detected deformation signals into electric signals and transmit the electric signals to the signal processing system, and the signal processing system calculates the rainfall in the statistical time according to the electric signals.
Compare in traditional rainfall statistical mode, the utility model discloses in utilize piezoceramics 2 to realize the automated inspection to the rainfall, and under the impact of rainwater, elasticity rain cover 1 can give piezoceramics 2 with deformation signal real-time transmission, give signal processing system behind the effect of piezoceramics 2 and calculate the processing, the signal acquisition mode of real-time feedback, the sample data of collection rainfall as much as possible, sample data are more, and is more accurate to the measurement of rainfall.
As shown in fig. 1, the piezoelectric ceramic 2 is adhered to the elastic rain cover 1 by a hard glue 3, and the hard glue 3 in this embodiment is an epoxy glue, which has high hardness after being cured, so that the deformation of the elastic rain cover 1 can be better transmitted to the piezoelectric ceramic 2, thereby ensuring the accuracy of the rainfall acquisition signal terminal.
In other embodiments, the hard glue 3 may also be a structural glue, and the selection of the hard glue 3 is reasonably selected according to the material characteristics of the elastic rain cover 1, so that the adhesion reliability needs to be ensured while good force conduction is ensured.
In the actual detection process of rainfall, the rainfall degree is constantly changed in different time periods in the rainfall process, generally at the beginning and the end stages, the rainfall is small, or in different seasons or regions, small rain or trace rainfall is mainly used, for the purpose that the device can also detect the situations, the elastic rain cover 1 in the embodiment is constructed into a thin-wall shell made of stainless steel, the thin-wall structure is small in rainfall, and when the impact force of the rain is low, elastic deformation can also occur, so that the accurate detection of the rainfall such as the small rain is ensured. Furthermore, the stainless steel material can ensure that the rainfall detection device has higher structural strength, which can bring about longer service life.
This set of device is in the testing process of reality, adopt planar structure like elasticity rain lid 1, can form piling up of rainwater on it, accumulational rainwater has considerable weight, can influence the elasticity deformation volume of elasticity rain lid 1, so elasticity rain lid 1 is constructed as cambered surface structure in this embodiment, and the direction of descending is crooked towards the rainwater, when the rainwater descends to elasticity rain lid 1, the surface landing from elasticity rain lid 1 that can be quick under the effect of cambered surface, the rainwater has been prevented from piling up on elasticity rain lid 1.
Furthermore, waterproof coatings are coated on the end face, which receives rainwater, of the elastic rain cover 1 to accelerate the rainwater to slide off the elastic rain cover, so that the acquisition interval of each group of rainfall acquisition signals can be shortened, the acquisition of rainfall data as much as possible is realized, and the detection precision is improved.
The acrylic waterproof coating adopted in this embodiment is a single-component water-emulsion waterproof coating prepared by adding other additives to a pure acrylic polymer emulsion serving as a base material. The waterproof film formed by curing the waterproof coating has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, and can play roles in waterproofing, seepage prevention and protection.
It is further stated that: the characteristic of the cambered surface structure is that the structural strength of positions with different distances from a vertex or a central point is different, and in order to ensure that the detected deformation amount is basically the same under the impact force of rainwater, six piezoelectric ceramics 2 are adhered to the inner surface of the elastic rain cover 1 at equal intervals by taking the center of the elastic rain cover 1 as the center of a circle.
The arc-shaped structure in this embodiment is an arc-shaped structure surface, which is easy to process, and in other embodiments, the arc-shaped structure may also be other convex curved surface structures, such as a hyperbolic curved surface, a paraboloid, and the like.
The signal processing system in the present embodiment includes: the signal acquisition board 4 is electrically connected to the piezoelectric ceramics 2 and is used for acquiring an electric signal generated by the piezoelectric ceramics 2; and the main control board 5 is electrically connected to the signal acquisition board and is used for processing the signals acquired by the signal acquisition board.
The embodiment further comprises the following steps: a carrier 6 on which the signal acquisition board 4 and the main control board 5 are mounted, as shown in fig. 1, the carrier 6 is a circular table structure, and the signal acquisition board 4 and the main control board 5 are fixed on the upper surface of the carrier 6 by screws; the shell 7 is arranged around the carrier 6, the shell 7 is of a hollow cylindrical structure, the shell covers the circumferential surface of the carrier 6 and is locked on the circumferential surface of the carrier 6 through screws, and the elastic rain cover 1 is installed at the upper end of the shell 7. The carrier 6 is convenient for the placement and installation of the rainfall detection device, and the shell 7 can well protect the piezoelectric ceramics 2, the signal acquisition board 4, the main control board 5 and other devices inside.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (8)
1. A rainfall detection device, comprising:
an elastic rain cover (1);
the piezoelectric ceramic (2) is arranged on the inner side of the elastic rain cover (1), and the piezoelectric ceramic (2) can receive deformation of the elastic rain cover (1);
and the signal processing system is electrically connected to the piezoelectric ceramics (2) and is used for processing the signals collected by the piezoelectric ceramics (2).
2. A rainfall detection device of claim 1 wherein the piezoelectric ceramic (2) is adhered to the elastic rain cover (1) with a hard glue (3).
3. A rainfall detection device according to claim 2 wherein the resilient rain cover (1) is configured as a thin walled housing of stainless steel.
4. A rainfall detection device according to claim 3, wherein the elastic rain cover (1) is configured as a cambered surface structure and is curved toward a rain water falling direction.
5. A rainfall detection device according to claim 4 wherein the end of the resilient rain cover (1) which receives rain is provided with a water resistant coating.
6. A rainfall detection device according to any one of claims 4 to 5, wherein a plurality of the piezoelectric ceramics (2) are arranged on the inner surface of the elastic rain cover (1) at equal intervals with the center of the elastic rain cover (1) as a circle center.
7. The rainfall detection device of claim 6, wherein the signal processing system comprises:
the signal acquisition board (4) is electrically connected to the piezoelectric ceramic (2) and is used for acquiring an electric signal generated by the piezoelectric ceramic (2);
and the main control board (5) is electrically connected to the signal acquisition board and is used for processing the signals acquired by the signal acquisition board.
8. The rainfall detection device according to claim 7, further comprising:
the carrier (6) is provided with the signal acquisition board and the main control board;
and the shell (7) is arranged around the carrying platform, and the elastic rain cover (1) is arranged at the upper end of the shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566414.5U CN210243876U (en) | 2019-09-19 | 2019-09-19 | Rainfall detection device |
| PCT/CN2020/114295 WO2021052228A1 (en) | 2019-09-19 | 2020-09-10 | Rain amount measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566414.5U CN210243876U (en) | 2019-09-19 | 2019-09-19 | Rainfall detection device |
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| Publication Number | Publication Date |
|---|---|
| CN210243876U true CN210243876U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921566414.5U Active CN210243876U (en) | 2019-09-19 | 2019-09-19 | Rainfall detection device |
Country Status (2)
| Country | Link |
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| CN (1) | CN210243876U (en) |
| WO (1) | WO2021052228A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501763A (en) * | 2019-09-19 | 2019-11-26 | 浙江贝良风能电子科技有限公司 | Rainfall detection device |
| WO2021052228A1 (en) * | 2019-09-19 | 2021-03-25 | 浙江贝良风能电子科技有限公司 | Rain amount measurement apparatus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8714007B2 (en) * | 2011-04-29 | 2014-05-06 | Airmar Technology Corporation | Precipitation sensor |
| CN103926636B (en) * | 2014-03-31 | 2016-09-28 | 卢会国 | Rainfall data processing system based on piezoelectric acceleration sensor |
| CN104316980B (en) * | 2014-10-28 | 2016-06-15 | 中国科学院电子学研究所 | piezoelectric type rainfall measuring device |
| CN108196321A (en) * | 2017-12-21 | 2018-06-22 | 苏州斯威高科信息技术有限公司 | A kind of rainfall measuring device and method |
| CN208537740U (en) * | 2018-04-25 | 2019-02-22 | 北京东方润泽生态科技股份有限公司 | A kind of electronic type rainfall measuring device |
| CN208172278U (en) * | 2018-05-23 | 2018-11-30 | 广州大学 | A kind of rain hail ratemeter |
| CN208255448U (en) * | 2018-06-13 | 2018-12-18 | 广西北斗应用工程技术有限责任公司 | A kind of rainwater monitoring device |
| CN110794486B (en) * | 2018-08-02 | 2022-04-05 | 北京交通大学 | Rainfall sensor |
| CN110501763A (en) * | 2019-09-19 | 2019-11-26 | 浙江贝良风能电子科技有限公司 | Rainfall detection device |
| CN210243876U (en) * | 2019-09-19 | 2020-04-03 | 浙江贝良风能电子科技有限公司 | Rainfall detection device |
-
2019
- 2019-09-19 CN CN201921566414.5U patent/CN210243876U/en active Active
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2020
- 2020-09-10 WO PCT/CN2020/114295 patent/WO2021052228A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501763A (en) * | 2019-09-19 | 2019-11-26 | 浙江贝良风能电子科技有限公司 | Rainfall detection device |
| WO2021052228A1 (en) * | 2019-09-19 | 2021-03-25 | 浙江贝良风能电子科技有限公司 | Rain amount measurement apparatus |
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| Publication number | Publication date |
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| WO2021052228A1 (en) | 2021-03-25 |
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