CN113189679A - Piezoelectric rainfall measuring meter - Google Patents
Piezoelectric rainfall measuring meter Download PDFInfo
- Publication number
- CN113189679A CN113189679A CN202110425141.8A CN202110425141A CN113189679A CN 113189679 A CN113189679 A CN 113189679A CN 202110425141 A CN202110425141 A CN 202110425141A CN 113189679 A CN113189679 A CN 113189679A
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- China
- Prior art keywords
- diameter
- rainfall
- cover
- buffer
- fixing seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 16
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Combustion & Propulsion (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention belongs to the technical field of environmental monitoring equipment, and particularly relates to a piezoelectric rainfall measuring meter, which comprises: a bottom cover; a buffer part mounted on the bottom cover; the rainfall cover is arranged on the buffer part, and an installation cavity is arranged in the cover; the piezoelectric conversion device is arranged in the installation cavity and converts the deformation process of the rainfall cover into an electric signal; wherein: the buffer part is used for reducing the vibration conduction from the bottom cover to the rainfall cover. The invention adopts the buffer device to reduce the vibration conduction from the base to the rainfall cover, and adopts the installation mode that the rainfall cover, the buffer seat and the fixed seat are mutually buckled, so that the rainfall measuring meter can be suitable for a rainfall monitoring system in any state; the accuracy of rainfall monitoring cannot be influenced by shaking in the driving process because the rain sensor is mounted on a vehicle; and on the premise of not changing the overall structure of the meteorological monitoring system, the rainfall monitoring precision is greatly improved.
Description
Technical Field
The invention belongs to the technical field of environmental monitoring equipment, and particularly relates to a piezoelectric rainfall measuring meter.
Background
At present, piezoelectric rain sensors are still used in most automatic meteorological stations and various meteorological environment monitoring systems, and the piezoelectric rain sensors are used for measuring and calculating the weight of a single raindrop according to an impact measurement principle, so that the rainfall is calculated. However, for a mobile meteorological environment monitoring system, the sensor is very sensitive to surrounding vibration, and the vibration generated by the vehicle in the running process can interfere with the piezoelectric rainfall sensor, so that the accuracy of the sensor is seriously influenced, and false rainfall accumulation is output. This kind of phenomenon makes the rainfall monitoring inaccurate to can't effectual monitoring rainstorm and lasting precipitation, calamity such as unable prevention mud-rock flow.
Disclosure of Invention
In view of the above, the present invention provides a piezoelectric type rain gauge, which employs a buffer device to reduce the vibration conduction from a base to a rain cover, and employs an installation manner in which three parts, namely the rain cover, the buffer seat and the fixing seat, are mutually buckled, so that the rain gauge of the present invention can be applied to a rain monitoring system in any state; the accuracy of rainfall monitoring cannot be influenced by shaking in the driving process because the rain sensor is mounted on a vehicle; and on the premise of not changing the overall structure of the meteorological monitoring system, the rainfall monitoring precision is greatly improved.
In order to achieve the technical purpose, the invention adopts the following specific technical scheme:
a piezoelectric rain gauge comprising:
a bottom cover;
a buffer part mounted on the bottom cover;
the rainfall cover is arranged on the buffer part, and an installation cavity is arranged in the cover;
the piezoelectric conversion device is arranged in the installation cavity and converts the deformation process of the rainfall cover into an electric signal;
wherein: the buffer part is used for reducing the vibration conduction from the bottom cover to the rainfall cover.
Further, the buffer part comprises a mounting block and a buffer rod; the rainfall cover is buckled and installed on the installation block; the buffer rod comprises a large-diameter part and a small-diameter part; the bottom cover is provided with a buffer rod mounting hole with the diameter smaller than or equal to that of the small-diameter part, and the small-diameter part penetrates through the buffer rod mounting hole and is fixedly connected with the large-diameter part.
Furthermore, the buffer part also comprises a fixed seat, and the fixed seat comprises a fixed seat large diameter and a fixed seat small diameter; the bottom cover is provided with a fixing seat mounting hole with the diameter smaller than or equal to the small diameter of the fixing seat, and the small diameter part of the fixing seat penetrates through the fixing seat mounting hole to be fixedly connected with the large diameter of the fixing seat.
Furthermore, the fixing seat mounting hole is formed in the center of the bottom cover, and the diameter of the fixing seat mounting hole is larger than that of the buffer rod mounting hole; the buffer rod mounting holes are distributed in the annular area of the fixing seat mounting hole.
Further, the small-diameter part is made of double-component addition type silica gel.
Further, the large-diameter part is made of double-component addition type silica gel; the large-diameter part and the small-diameter part are of an integral structure.
Furthermore, the material of fixing base path is two ingredient addition type silica gel.
Furthermore, the large-diameter material of the fixing seat is double-component addition type silica gel; the large diameter of the fixing seat and the small diameter of the fixing seat are of an integrated structure.
Furthermore, the fixed seat is also provided with a wire passing hole.
Further, the piezoelectric conversion device comprises piezoelectric ceramics and a piezoelectric ceramic mounting seat; the piezoelectric ceramic mounting seat is arranged between the rainfall cover and the buffer part and is fixed on the rainfall cover; the piezoelectric ceramics are arranged between the piezoelectric ceramics mounting seat and the rainfall cover.
By adopting the technical scheme, the invention can bring the following beneficial effects:
compared with the traditional piezoelectric rainfall sensor, the rainfall measuring meter has the advantages that the structure is changed, the materials with obvious vibration conduction effects are replaced, and the anti-seismic performance is improved. On the premise of not changing the overall structure of the meteorological monitoring system, the rainfall monitoring precision is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a piezoelectric rain gauge according to an embodiment of the present invention;
wherein: 1. a bottom cover; 2. a buffer section; 21. mounting blocks; 22. a buffer rod; 221. a minor-diameter portion; 222. a large diameter portion; 23. a fixed seat; 231. fixing the minor diameter of the seat; 232. the fixed seat has a large diameter; 233. a wire passing hole; 3. a rainfall cover; 4. a piezoelectric transducer device.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. 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.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in practical implementation, and the type, quantity and proportion of the components in practical implementation can be changed freely, and the layout of the components can be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
In one embodiment of the present invention, a piezoelectric rain gauge is provided, comprising:
a bottom cover 1;
a buffer part 2 mounted on the bottom cover 1;
the rainfall cover 3 is arranged on the buffer part 2, and an installation cavity is arranged in the cover;
the piezoelectric conversion device 4 is arranged in the installation cavity and converts the deformation process of the rainfall cover 3 into an electric signal;
wherein: the buffer part 2 serves to reduce the shock transmission from the lower cover 1 to the rain cover 3.
In the present embodiment, the buffer portion 2 includes a mounting block 21 and a buffer rod 22; the rainfall cover 3 is buckled and arranged on the mounting block 21; the rainfall cover 3 and the mounting block 21 are tightly buckled by elasticity, so that the use of a rigid piece is avoided, and rigid vibration cannot be generated between the rainfall cover 3 and the mounting block 21; the bumper beam 22 includes a large-diameter portion 222 and a small-diameter portion 221; a mounting hole of the buffer rod 22 with the diameter smaller than or equal to that of the small-diameter part 221 is formed in the bottom cover 1, and the small-diameter part 221 penetrates through the mounting hole of the buffer rod 22 and is fixedly connected with the large-diameter part 222; the buffer rod 22 of this embodiment is made of a deformable polymer material such as elastic silicone rubber or rubber. Since the rain gauge needs to be fixedly mounted on a vehicle or other carrying equipment, rigid mounting between the bottom cover 1 and the carrying equipment such as the vehicle needs to be ensured, and therefore the bottom cover 1 is made of a metal material. In order to further reduce the vibration transmission from the bottom cover 1 to the rain cover 3 by the buffer part 2, it is necessary to ensure that the buffer part 2 and the bottom cover 1 are installed in a non-rigid manner, and therefore, a small-diameter part 221 with a diameter larger than or equal to that of the installation hole of the buffer rod 22 (the diameter is larger before the installation hole of the buffer rod 22 and the diameter is the same after the installation hole of the buffer rod 22) is arranged, so that the installation stability can be ensured, and the vibration transmitted from the bottom cover 1 to the buffer part 2 can be buffered.
In one embodiment, in order to increase the shock absorbing effect while improving the installation stability, the buffer part 2 further includes a fixing seat 23, and the fixing seat 23 includes a fixing seat large diameter 232 and a fixing seat small diameter 231; the bottom cover 1 is provided with a fixing seat 23 mounting hole with the diameter smaller than or equal to the fixing seat small diameter 231, and the fixing seat small diameter 231 part 221 penetrates through the fixing seat 23 mounting hole to be fixedly connected with the fixing seat large diameter 232.
In the embodiment, the mounting hole of the fixed seat 23 is arranged at the central position of the bottom cover 1, and the diameter of the mounting hole is larger than that of the mounting hole of the buffer rod 22; buffer beam 22 mounting hole is the multiunit, is circularly concentric with fixing base 23 mounting hole, distributes in the hoop region of fixing base 23 mounting hole.
In one embodiment, in order to meet the rigidity requirement and the buffering requirement of the buffering part 2, the small-diameter part 221 is made of a two-component addition type silicone rubber, which is also called a component addition type liquid silicone rubber, and mainly contains silicon dioxide, water, a platinum catalyst, an organic tin catalyst, and the like, and the specific viscosity, the operation time, the hardness after curing, and the color transparency can be adjusted according to the requirements of customers.
In this embodiment, the large diameter portion 222 is made of two-component addition type silicone; the large-diameter portion 222 is integrally formed with the small-diameter portion 221.
In this embodiment, the small diameter 231 of the fixing base is made of two-component addition type silica gel
In this embodiment, the large diameter 232 of the fixing base is made of two-component addition type silica gel; the major diameter 232 of the fixing seat and the minor diameter 231 of the fixing seat are an integral structure.
In the present embodiment, the cushioning portion 2 is of an integral structure.
In one embodiment, in order to ensure the electrical signal transmission of the piezoelectric transducer device 4, the fixing base 23 is further provided with a wire hole 233.
In one embodiment, piezoelectric transducer device 4 comprises a piezoelectric ceramic and a piezoelectric ceramic mount; the piezoelectric ceramic mounting seat is arranged between the rainfall cover 3 and the buffer part 2 and is fixed on the rainfall cover 3; set up a region that just can place piezoceramics between the rainfall lid 3, its excitation direction perpendicular to horizontal plane is downward, consequently when rainfall lid 3 is strikeed by the raindrop and produces little deformation, piezoceramics and then the excitation produces the electric current.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A piezoelectric rain gauge, comprising:
a bottom cover;
a buffer part mounted on the bottom cover;
the rainfall cover is arranged on the buffer part, and an installation cavity is arranged in the cover;
the piezoelectric conversion device is arranged in the installation cavity and converts the deformation process of the rainfall cover into an electric signal;
wherein: the buffer part is used for reducing the vibration conduction from the bottom cover to the rainfall cover.
2. The rain gauge of claim 1, wherein: the buffer part comprises a mounting block and a buffer rod; the rainfall cover is buckled and installed on the installation block; the buffer rod comprises a large-diameter part and a small-diameter part; the bottom cover is provided with a buffer rod mounting hole with the diameter smaller than or equal to that of the small-diameter part, and the small-diameter part penetrates through the buffer rod mounting hole and is fixedly connected with the large-diameter part.
3. The rain gauge of claim 2, wherein: the buffer part also comprises a fixed seat, and the fixed seat comprises a fixed seat large diameter and a fixed seat small diameter; the bottom cover is provided with a fixing seat mounting hole with the diameter smaller than or equal to the small diameter of the fixing seat, and the small diameter part of the fixing seat penetrates through the fixing seat mounting hole to be fixedly connected with the large diameter of the fixing seat.
4. A rain gauge according to claim 3, wherein: the fixed seat mounting hole is formed in the center of the bottom cover, and the diameter of the fixed seat mounting hole is larger than that of the buffer rod mounting hole; the buffer rod mounting holes are distributed in the annular area of the fixing seat mounting hole.
5. The rain gauge of claim 4, wherein: the small-diameter part is made of double-component addition type silica gel.
6. The rain gauge of claim 5, wherein: the large-diameter part is made of double-component addition type silica gel; the large-diameter part and the small-diameter part are of an integral structure.
7. The rain gauge of claim 4, wherein: the material of fixing base path is two ingredient addition type silica gel.
8. The rain gauge of claim 7, wherein: the large-diameter material of the fixing seat is double-component addition type silica gel; the large diameter of the fixing seat and the small diameter of the fixing seat are of an integrated structure.
9. The rain gauge of claim 4, wherein: the fixing seat is also provided with a wire passing hole.
10. The rain gauge of claim 1, wherein: the piezoelectric conversion device comprises piezoelectric ceramics and a piezoelectric ceramic mounting seat; the piezoelectric ceramic mounting seat is arranged between the rainfall cover and the buffer part and is fixed on the rainfall cover; the piezoelectric ceramics are arranged between the piezoelectric ceramics mounting seat and the rainfall cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425141.8A CN113189679A (en) | 2021-04-20 | 2021-04-20 | Piezoelectric rainfall measuring meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110425141.8A CN113189679A (en) | 2021-04-20 | 2021-04-20 | Piezoelectric rainfall measuring meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113189679A true CN113189679A (en) | 2021-07-30 |
Family
ID=76978009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110425141.8A Pending CN113189679A (en) | 2021-04-20 | 2021-04-20 | Piezoelectric rainfall measuring meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113189679A (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919878A (en) * | 1982-07-26 | 1984-02-01 | Kishiyouchiyou Chokan | Rain/snow gauge mechanism part provided with buffer device |
| JP2001141645A (en) * | 1999-11-16 | 2001-05-25 | Denso Corp | Raindrop detecting device |
| FI20011876A0 (en) * | 2001-09-24 | 2001-09-24 | Vaisala Oyj | Rain and grain sensor and method for measuring rain |
| JP2001305241A (en) * | 2000-04-25 | 2001-10-31 | Erumekku Denshi Kogyo Kk | Rainfall sensor |
| JP2004109003A (en) * | 2002-09-19 | 2004-04-08 | Sumitomo Electric Ind Ltd | Optical rainfall measuring device |
| GB0407424D0 (en) * | 2004-04-01 | 2004-05-05 | Wrc Plc | Rain sensor |
| JP2004279255A (en) * | 2003-03-17 | 2004-10-07 | Cti Science System Co Ltd | Precipitation condition observation device and observation method |
| JP2012018030A (en) * | 2010-07-07 | 2012-01-26 | Panasonic Corp | Ultrasonic sensor attachment structure and ultrasonic flow measuring device using the same |
| CN203643468U (en) * | 2014-01-16 | 2014-06-11 | 成都成电电子信息技术工程有限公司 | Ultrasonic anemorumbometer sensor installation structure |
| CN104020511A (en) * | 2014-06-19 | 2014-09-03 | 宁波思颖光电照明科技有限公司 | Rainfall sensor with LED lamps |
| CN206111937U (en) * | 2016-08-15 | 2017-04-19 | 中国航空工业集团公司沈阳发动机设计研究所 | A support vibration damper for sensor installation |
| WO2018112157A1 (en) * | 2016-12-14 | 2018-06-21 | Cvr Global Inc. | Attachable sensing pod comprising a piezoelectric unit |
| CN108360371A (en) * | 2018-02-14 | 2018-08-03 | 重庆交通大学 | Vibration isolation type bridge |
| 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 |
| CN209787070U (en) * | 2019-06-25 | 2019-12-13 | 上海工程技术大学 | piezoelectric vibration energy acquisition and conversion device |
| CN209803363U (en) * | 2019-05-16 | 2019-12-17 | 北京农业智能装备技术研究中心 | Piezoelectric rainfall sensor |
| CN111016033A (en) * | 2019-12-13 | 2020-04-17 | 武汉迈普时空导航科技有限公司 | IMU shock absorption and heat insulation device based on silica gel and preparation method |
| CN111717397A (en) * | 2020-06-22 | 2020-09-29 | 国网江苏省电力有限公司徐州供电分公司 | Damping fixing device capable of suspending large load |
| CN211698252U (en) * | 2020-04-03 | 2020-10-16 | 南京华达工程检测仪器有限公司 | Rainfall measuring device |
-
2021
- 2021-04-20 CN CN202110425141.8A patent/CN113189679A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919878A (en) * | 1982-07-26 | 1984-02-01 | Kishiyouchiyou Chokan | Rain/snow gauge mechanism part provided with buffer device |
| JP2001141645A (en) * | 1999-11-16 | 2001-05-25 | Denso Corp | Raindrop detecting device |
| JP2001305241A (en) * | 2000-04-25 | 2001-10-31 | Erumekku Denshi Kogyo Kk | Rainfall sensor |
| FI20011876A0 (en) * | 2001-09-24 | 2001-09-24 | Vaisala Oyj | Rain and grain sensor and method for measuring rain |
| JP2004109003A (en) * | 2002-09-19 | 2004-04-08 | Sumitomo Electric Ind Ltd | Optical rainfall measuring device |
| JP2004279255A (en) * | 2003-03-17 | 2004-10-07 | Cti Science System Co Ltd | Precipitation condition observation device and observation method |
| GB0407424D0 (en) * | 2004-04-01 | 2004-05-05 | Wrc Plc | Rain sensor |
| JP2012018030A (en) * | 2010-07-07 | 2012-01-26 | Panasonic Corp | Ultrasonic sensor attachment structure and ultrasonic flow measuring device using the same |
| CN203643468U (en) * | 2014-01-16 | 2014-06-11 | 成都成电电子信息技术工程有限公司 | Ultrasonic anemorumbometer sensor installation structure |
| CN104020511A (en) * | 2014-06-19 | 2014-09-03 | 宁波思颖光电照明科技有限公司 | Rainfall sensor with LED lamps |
| CN206111937U (en) * | 2016-08-15 | 2017-04-19 | 中国航空工业集团公司沈阳发动机设计研究所 | A support vibration damper for sensor installation |
| WO2018112157A1 (en) * | 2016-12-14 | 2018-06-21 | Cvr Global Inc. | Attachable sensing pod comprising a piezoelectric unit |
| CN108360371A (en) * | 2018-02-14 | 2018-08-03 | 重庆交通大学 | Vibration isolation type bridge |
| CN209803363U (en) * | 2019-05-16 | 2019-12-17 | 北京农业智能装备技术研究中心 | Piezoelectric rainfall sensor |
| CN209787070U (en) * | 2019-06-25 | 2019-12-13 | 上海工程技术大学 | piezoelectric vibration energy acquisition and conversion device |
| 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 |
| CN111016033A (en) * | 2019-12-13 | 2020-04-17 | 武汉迈普时空导航科技有限公司 | IMU shock absorption and heat insulation device based on silica gel and preparation method |
| CN211698252U (en) * | 2020-04-03 | 2020-10-16 | 南京华达工程检测仪器有限公司 | Rainfall measuring device |
| CN111717397A (en) * | 2020-06-22 | 2020-09-29 | 国网江苏省电力有限公司徐州供电分公司 | Damping fixing device capable of suspending large load |
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Application publication date: 20210730 |
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