CN214201815U - Rainfall sensor assembly and rainfall monitoring device - Google Patents
Rainfall sensor assembly and rainfall monitoring device Download PDFInfo
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- CN214201815U CN214201815U CN202022562415.1U CN202022562415U CN214201815U CN 214201815 U CN214201815 U CN 214201815U CN 202022562415 U CN202022562415 U CN 202022562415U CN 214201815 U CN214201815 U CN 214201815U
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Abstract
The utility model discloses a rainfall sensor assembly and rainfall monitoring devices, rainfall sensor assembly includes: installing a shell; a shock absorbing assembly; the raindrop sensing assembly is connected with the mounting shell through the damping assembly and comprises a contact cover and a piezoelectric element, the contact cover is provided with an inner side facing the mounting shell and an outer side back to the inner side, and the piezoelectric element is attached to the inner side of the contact cover; the contact cover is connected with the mounting housing through the shock-absorbing assembly. The damping assembly is arranged between the raindrop sensing assembly and the mounting shell; when raindrops drop on the installation shell, the generated vibration noise can be greatly attenuated by the damping component in the process of being transmitted to the raindrop sensing component, so that the purpose of reducing noise interference is achieved.
Description
Technical Field
The utility model relates to a rainfall detects technical field, in particular to rainfall sensor subassembly and rainfall monitoring devices.
Background
The rainfall sensor is suitable for the relevant departments of weather station, hydrological station, agriculture and forestry, national defense and the like to telemeter the precipitation amount, precipitation strength and precipitation starting and stopping time of liquid. The system is used for a hydrological automatic measuring and reporting system and an automatic field measuring and reporting station for the purposes of flood control, water supply dispatching and power station reservoir water regime management, and is a rainfall measuring sensor. The current common rain gauge is a double-tipping bucket rain gauge, a water bearing device is used for collecting rainfall and enabling the rainfall to enter a tipping bucket from a funnel, when a certain amount of rainwater is accumulated, the tipping bucket is turned over under the action of gravity of the rainwater, and the current rainfall is calculated through counting the turning times of the tipping bucket. The piezoelectric rain sensor comprises a shell, a metal cover, a piezoelectric element and a control panel, wherein the piezoelectric element is attached to the back of the metal cover, and the metal cover is fixed on the shell. During measurement, the piezoelectric element converts the vibration generated by raindrops dropping on the metal cover into an electric signal, and the control panel can distinguish the size of the raindrops after acquiring the signal and processing the signal, so that the real-time rainfall intensity is calculated.
The metal cover is the main area of response raindrop, and in order to guarantee that detection error is in reasonable range, the area of metal cover can not be very big, only accounts for a part of whole shell, and this vibrations that make raindrop drop to produce on the shell also can be detected by piezoelectric sensor again, forms noise interference.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reduce noise interference's rainfall sensor subassembly.
In order to achieve the above object, the utility model provides a rainfall sensor assembly, include: installing a shell; a shock absorbing assembly; and the raindrop sensing assembly is connected with the mounting shell through the damping assembly.
In one embodiment, the raindrop sensing assembly comprises a contact cover and a piezoelectric element, wherein the contact cover is provided with an inner side facing the installation shell and an outer side back to the inner side, and the piezoelectric element is attached to the inner side of the contact cover; the contact cover is connected with the mounting housing through a shock absorbing assembly.
In one embodiment, the contact cap is a metal cap.
In one embodiment, the mounting housing is provided with a positioning groove, a flange is arranged on one side of the positioning groove, the shock absorbing assembly is sleeved on the flange, the contact cover is provided with a mounting annular edge, and the mounting annular edge is sleeved on the shock absorbing assembly.
In one embodiment, the shock absorbing component is a shock absorbing rubber ring which is sleeved and matched with the flange.
In an embodiment, be provided with first location muscle on the shock attenuation rubber ring, first location muscle encircles the outer wall of flange or the inner wall setting of installation ring limit, and the outer wall of shock attenuation rubber ring is equipped with first fixed slot, and glue fixed connection is passed through with the metal covering to first fixed slot to carry on spacingly to the axial relative position of metal covering and shock attenuation rubber ring.
In one embodiment, the positioning groove is annular corresponding to the first positioning rib.
In one embodiment, the inner side wall of the damping rubber ring is provided with a second fixing groove and a third fixing groove, and the second fixing groove, the third fixing groove and the flange are fixedly connected through glue, so that the axial relative position of the flange and the damping rubber ring is limited.
In one embodiment, the end of the damping rubber ring corresponding to the mounting ring edge is provided with a buffer part, and the end of the mounting ring edge abuts against the buffer part.
The utility model provides a pair of rainfall monitoring devices, include: a main body; and the rain sensor assembly as described above, the mounting case of the rain sensor assembly being mounted on the main body.
The technical proposal of the utility model is that the damping component is arranged between the raindrop sensing component and the mounting shell; when raindrops drop on the mounting shell, the generated vibration noise can be greatly attenuated by the damping component in the process of being transmitted to the raindrop sensing component, so that the aim of reducing noise interference is fulfilled; meanwhile, the shock absorption assembly plays a role in shock absorption and also plays a role in enhancing the airtightness of the shock absorption assembly so as to achieve a waterproof effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a cross-sectional view of a rainfall sensor assembly of the present invention;
fig. 2 is a cross-sectional view of a damping rubber ring in a rainfall sensor assembly according to the present invention;
fig. 3 is a partial enlarged view of a rainfall sensor assembly according to the present invention;
reference numerals: 1-contact cover, 11-installation ring edge, 110-buffer part, 2-piezoelectric element, 3-damping rubber ring, 4-outer shell, 41-flange, 42-positioning groove, 31-first positioning rib, 32-first fixing groove, 33-second fixing groove, 34-third fixing groove and 5-control board.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a rainfall sensor assembly.
In an embodiment of the present invention, as shown in fig. 1 to 3, the rainfall sensor assembly includes: installation casing 4, damper and raindrop response subassembly, raindrop response subassembly passes through damper and is connected with installation casing 4. It can be understood that the rainfall detection signal collected by the raindrop sensing assembly can be directly output to the control board or the circuit board of the device applied thereto for further processing. In this embodiment, a control panel 5 may be further disposed in the installation housing 4, the control panel 5 is connected to the raindrop sensing assembly, the raindrop sensing assembly transmits the sensed raindrop vibration signal to the control panel 5 for electrical signal processing to obtain rainfall information, the raindrop sensing assembly is connected to the installation housing 4 through a damping assembly, and the damping assembly is disposed between the raindrop sensing assembly and the installation housing 4; when raindrops drop on the installation shell 4, the generated vibration noise can be greatly attenuated by the damping component in the process of being transmitted to the raindrop sensing component, so that the purpose of reducing noise interference is achieved. Through the mode that adopts raindrop response subassembly and control panel 5 to be connected, a raindrop response subassembly for responding to raindrop vibration signal carries out electric signal processing to control panel 5 that is used for raindrop vibration signal processing with the raindrop vibration signal transmission who senses, correspond the calculation back according to the signal of telecommunication that has input in control panel 5 and current rainfall, can the size of accurate measurement rainfall, simultaneously when the raindrop drops on installation casing 4, produced vibration noise can be attenuated by a wide margin at the in-process that transmits raindrop response subassembly, the signal of telecommunication amplitude who consequently obtains can be far less than the signal of telecommunication that the raindrop dropped on the raindrop response subassembly, it can be more convenient accurate to make filter algorithm is done to control panel 5, thereby the purpose that reduces noise interference has been reached. Wherein, damper can be flexible or other materials, when being the flexible, can also play its leakproofness of reinforcing when playing the cushioning effect thereby reach waterproof effect.
In the present embodiment, the raindrop sensing assembly includes a contact cover 1 and a piezoelectric element 2, the contact cover 1 has an inner side facing the mounting housing 4 and an outer side facing away from the inner side, and the piezoelectric element 2 is attached to the inner side of the contact cover 1; the contact cover 1 is connected with the mounting shell 4 through a damping component, the piezoelectric element 2 is pasted on the inner wall of the contact cover 1 through glue, and the piezoelectric element 2 is a piezoelectric element 2 made of a flexible strain gauge or a ceramic piezoelectric sheet. The piezoelectric element 2 is connected to the control board 5. By designing the piezoelectric element 2 to be connected with the control board 5, the piezoelectric element 2 transmits the collected raindrop vibration signal to the control board 5; the damping component is arranged between the contact cover 1 and the mounting shell 4, so that when raindrops drop on the mounting shell 4, the generated vibration noise is greatly attenuated by the damping component in the process of being transmitted to the raindrop sensing component, and the aim of reducing noise interference is fulfilled; meanwhile, the shock absorption assembly plays a role in shock absorption and also plays a role in enhancing the airtightness of the shock absorption assembly so as to achieve a waterproof effect. The contact cover 1 is a metal cover; the contact cover 1 is made of metal, and the metal is selected to enhance the measurement sensitivity, corrosion resistance, long service life and the like of the rainfall sensor assembly; and the area of the contact cover 1 is smaller than the area of the installation shell 4; the contact cover 1 is a main area for sensing raindrops, and in order to ensure that the error is within a reasonable range, the area of the contact cover 1 is smaller than that of the mounting case 4. The contact cover 1 is in the shape of a dome, and the piezoelectric element 2 is located in the dome-shaped position. The contact cover 1 of this shape is not easy to store rainwater, so that raindrops can flow out quickly after releasing kinetic energy.
In this embodiment, the mounting housing 4 is provided with a positioning groove 42, a flange 41 is disposed on one side of the positioning groove 42, the shock absorbing assembly is sleeved on the flange 41, the contact cover 1 has a mounting annular edge 11, and the mounting annular edge 11 is sleeved on the shock absorbing assembly. Strengthen its stability and seal through flange joint damper to play waterproof effect, when the raindrop drops on installation casing 4, produced vibration signal can be attenuated by damper by a wide margin at the in-process that transmits piezoelectric element 2, thereby reached the purpose that reduces noise interference. Meanwhile, the shock absorption assembly plays a role in shock absorption and also plays a role in enhancing the airtightness of the shock absorption assembly so as to achieve a waterproof effect.
In this embodiment, the shock absorbing component is a shock absorbing rubber ring 3 which is in sleeved fit with the flange 41. The damping component is a damping rubber ring 3 made of silicon rubber. The purpose is to reduce noise interference, and the characteristic of the material of the damping rubber ring 3 is utilized to play a role in damping and enhance the sealing performance.
In this embodiment, be provided with first location muscle 31 on the damping rubber ring 3, first location muscle 31 encircles the outer wall of flange 41 or the inner wall setting of installation ring limit 11, and the outer wall of damping rubber ring 3 is equipped with first fixed slot 32, and first fixed slot 32 passes through glue fixed connection with the metal covering to carry on spacingly to the axial relative position of metal covering and damping rubber ring 3. The purpose of designing the first fixing groove and the first positioning rib is used for fixing the damping rubber ring 3 and enhancing the stability and the leakproofness of the rainfall sensor assembly through the metal cover, and therefore the waterproof effect is achieved.
In the present embodiment, the positioning groove 42 is annular corresponding to the first positioning rib 31. The positioning groove 42 is designed to be annular corresponding to the first positioning rib 31 for better sealing.
In this embodiment, the inner sidewall of the cushion rubber ring 3 is provided with a second fixing groove 33 and a third fixing groove 34, and the second fixing groove 33 is fixedly connected with the third fixing groove 34 and the flange 41 by glue, so as to limit the axial relative position of the flange 41 and the cushion rubber ring 4. Design third fixed slot and third fixed slot are used for spacingly and fixed, strengthen rainfall sensor subassembly's stability and seal to play waterproof effect, when raindrop drips on installation casing 4 simultaneously, produced vibration noise can be attenuated by damper by a wide margin at the in-process that transmits raindrop response subassembly, thereby has reached the purpose that noise interference is reduced.
In the present embodiment, the cushion rubber 3 is provided with a buffer portion 110 corresponding to the end of the mounting flange 11, and the end of the mounting flange 11 abuts against the buffer portion 110. The purpose is to reduce noise interference.
Furthermore, the utility model discloses still provide a rainfall monitoring devices, in an embodiment, this rainfall monitoring devices includes: a main body (not shown) and a rain sensor assembly, and a mounting case 4 of the rain sensor assembly is mounted on the main body. The main body can be equipment used for telemetering precipitation amount, precipitation intensity and precipitation start and stop time of liquid by relevant departments such as weather stations (stations), hydrology stations, agriculture and forestry, national defense and the like, and can also be an object for supporting the equipment, and the equipment is not limited in the position. The raindrop vibration signal sensed by the raindrop sensing assembly is transmitted to the control panel for raindrop vibration signal processing to be subjected to electric signal processing, the rainfall can be accurately measured after corresponding calculation according to the electric signal input in the control panel and the current rainfall, and meanwhile, when raindrops drop on the mounting shell, the generated vibration noise can be greatly attenuated by the damping assembly in the process of being transmitted to the raindrop sensing assembly, so that the amplitude of the obtained electric signal is far smaller than the electric signal of the raindrops dropping on the raindrop sensing assembly; the control panel can more conveniently and accurately perform a filtering algorithm, so that the aim of reducing noise interference is fulfilled; meanwhile, the shock absorption assembly plays a role in shock absorption and enhances the tightness of the shock absorption assembly so as to achieve a waterproof effect.
The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (9)
1. A rain sensor assembly, comprising:
installing a shell;
a shock absorbing assembly; and
the raindrop sensing assembly is connected with the mounting shell through the damping assembly and comprises a contact cover and a piezoelectric element, the contact cover is provided with an inner side facing the mounting shell and an outer side back to the inner side, and the piezoelectric element is attached to the inner side of the contact cover; the contact cover is connected with the mounting housing through the shock-absorbing assembly.
2. The rain sensor assembly of claim 1, wherein the contact cover is a metal cover.
3. The rain sensor assembly of claim 2, wherein the mounting housing has a positioning groove, a flange is disposed on one side of the positioning groove, the shock absorbing assembly is sleeved on the flange, the contact cover has a mounting ring, and the mounting ring is sleeved on the shock absorbing assembly.
4. The rain sensor assembly of claim 3, wherein the shock absorbing member is a shock absorbing rubber ring that fits over the flange.
5. The rainfall sensor assembly defined in claim 4, wherein the damping rubber ring is provided with a first positioning rib, the first positioning rib is arranged around an outer wall of the flange or an inner wall of the mounting ring, the outer wall of the damping rubber ring is provided with a first fixing groove, and the first fixing groove is fixedly connected with the metal cover through glue so as to limit an axial relative position of the metal cover and the damping rubber ring.
6. The rain sensor assembly of claim 5, wherein the detent is annular with respect to the first detent rib.
7. The rain sensor assembly according to claim 5, wherein the inner side wall of the damping rubber ring is provided with a second fixing groove and a third fixing groove, and the second fixing groove and the third fixing groove are fixedly connected with the flange through glue to limit the axial relative position of the flange and the damping rubber ring.
8. The rainfall sensor assembly defined in claim 7, wherein the shock absorbing rubber ring is provided with a buffer portion at an end portion corresponding to the mounting collar, the end portion of the mounting collar abutting against the buffer portion.
9. A rainfall monitoring device comprising:
a main body; and
the rain sensor assembly of any one of claims 1 to 8, wherein the mounting housing of the rain sensor assembly is mounted to the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022562415.1U CN214201815U (en) | 2020-11-06 | 2020-11-06 | Rainfall sensor assembly and rainfall monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022562415.1U CN214201815U (en) | 2020-11-06 | 2020-11-06 | Rainfall sensor assembly and rainfall monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201815U true CN214201815U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022562415.1U Active CN214201815U (en) | 2020-11-06 | 2020-11-06 | Rainfall sensor assembly and rainfall monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214201815U (en) |
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- 2020-11-06 CN CN202022562415.1U patent/CN214201815U/en active Active
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