Rain and hail meter based on piezoelectric measurement

Abstract

The utility model discloses a rain and hail meter based on piezoelectric measurement, and relates to the technical field of rain and hail intensity measurement, the rain and hail meter comprises a base, a protective cylinder, a control processor, a strike bearing cover and a second piezoelectric ceramic, the protective cylinder is internally provided with a first piezoelectric ceramic, the upper end of the protective cylinder is provided with a fixed disc, the fixed disc is provided with a mounting cylinder, and the mounting cylinder is rotatably connected with the strike bearing cover; a heating component is arranged in the heating bin; a heating hole is formed in the fixed disc; a ventilation component is arranged in the heating hole; an air outlet pipe is arranged in the fixed disc; the rain and hail meter has the functions of heating and unfreezing the impact-bearing cover and melting ice and snow in cold weather, the impact-bearing cover is prevented from being frozen or covered with ice and snow to affect use of the impact-bearing cover, and normal measurement of the rain and hail meter is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of rain and hail intensity measurement, and more specifically to a rain and hail meter based on piezoelectric measurement. Background Art

[0002] At present, with the development of society and the improvement of people's living standards, people are more and more concerned about their own safety. In recent years, the rainfall intensity in some areas is relatively high, and even some areas have been injured by rain or hail. In view of this situation, the requirements for the meteorological department are not limited to predicting the weather of the next day, but also to further inform people of the intensity of the rain / hail coming the next day, that is, whether it can injure or knock people unconscious, and list the level of danger. The rain / hail intensity measuring device is used to detect the intensity of rain / hail.

[0003] A Chinese utility model patent with application number CN202223180622.6 discloses a rain and hail intensity measuring device based on the piezoelectric principle, including a base, a protective tube arranged on the base, a control processor arranged in the protective tube, a strike cover and a second piezoelectric ceramic arranged on the strike cover, wherein the second piezoelectric ceramic electrical signal is connected to the control processor, a fixed disk is arranged on the upper end of the protective tube, a mounting tube is threadedly connected to the fixed disk, the mounting tube is rotatably sealed and connected to the strike cover, and the strike cover is provided with a plug-in column plugged into the fixed disk so that the strike cover cannot rotate. Although a rain and hail intensity measuring device based on the piezoelectric principle has the advantages of good sealing and easy maintenance, when the rain and hail meter of the prior art is used in cold weather, the strike cover is easily frozen and ice appears on it. At this time, the accuracy of rain and hail measurement is greatly reduced, and even measurement cannot be performed.

[0004] Therefore, it is necessary to propose a rain and hail meter based on piezoelectric measurement to solve the above problems. Utility Model Content

[0005] The utility model aims to enable internal warm air circulation of the rain and hail meter when the upper impact cover is frozen or covered with ice and snow in cold weather, so as to heat and thaw the impact cover and avoid the impact cover being frozen and affecting the measurement.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A rain and hail meter based on piezoelectric measurement, comprising a base, a protective tube arranged on the base, a control processor arranged in the protective tube, a strike cover and a second piezoelectric ceramic arranged on the strike cover, wherein a first piezoelectric ceramic connected to an electrical signal of the control processor is fixed in the protective tube via a circular plate, and the electrical signal of the second piezoelectric ceramic is connected to the control processor, a fixing disk is glued to the upper end of the protective tube, a mounting tube is threadedly connected to the fixing disk, the mounting tube is rotatably connected to the strike cover, and a plug-in column plugged into the fixing disk is arranged on the strike cover, characterized in that: a heating chamber is opened in the fixing disk, A heating component is provided in the heating bin, a heating hole connected with the heating bin is provided in the fixed disk, a ventilation component is installed in the heating hole, an air outlet pipe is fixed in the fixed disk, one end of the air outlet pipe is connected with the outside of the fixed disk, an air circulation cavity is provided in the fixed disk, a plurality of baffles are provided in the air circulation cavity to form a plurality of arc-shaped cavities, the air outlet pipe and the heating hole are separately connected with the arc-shaped cavity, the air circulation cavity is connected with an air circulation channel provided on the bearing cover, an air inlet hole connected with the air circulation cavity is provided on the fixed disk, and the air inlet hole is connected with the lower side of the fixed disk.

[0008] Furthermore, the heating component may use an electric heating wire.

[0009] Furthermore, the air circulation channel includes two heating channels and two air outlet channels opened in the impact cover, the two heating channels and the two air outlet channels are connected to the annular cavity, the air outlet channels are connected to the air outlet pipes through the air circulation cavity, and the heating channels are connected to the heating holes through the air circulation cavity.

[0010] Furthermore, a spherical block is fixed on the striking cover, an annular groove is provided on the mounting tube, a liquid outlet hole connected to the annular groove is provided on the mounting tube, and the other end of the liquid outlet hole is connected to the outside of the mounting tube.

[0011] Furthermore, the ventilation assembly includes a motor fixed in the heating hole, and a fan blade is fixed to the output end of the motor.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model heats and circulates the air through the mutual cooperation of the ventilation component, the heating component, the heating hole, the air circulation channel and the air inlet hole, and heats and defrosts the impact cover, thereby preventing the impact cover from being frozen or covered with ice and snow in cold weather, ensuring the normal use of the impact cover in cold weather, and ensuring the rain and hail measurement in cold weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the position of the air outlet pipe in the utility model;

[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the air circulation cavity and the baffle of the utility model.

[0019] Figure markings: 1-protective cylinder, 2-impact cover, 3-fixed plate, 4-installation cylinder, 5-electric heating wire, 6-heating channel, 7-air outlet channel, 8-heating hole, 9-air outlet pipe, 10-air inlet hole, 11-spherical block, 12-annular groove, 13-liquid outlet hole, 14-motor, 15-fan blades, 16-heating chamber, 17-air circulation chamber, 18-baffle, 19-annular chamber. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5A rain and hail meter based on piezoelectric measurement includes a base with patent number 202223180622.6 and a rain and hail intensity measuring device based on piezoelectric principle, a protective tube 1 arranged on the base, a control processor arranged in the protective tube 1, a striking cover 2, and a second piezoelectric ceramic arranged on the striking cover 2, wherein a first piezoelectric ceramic connected to an electrical signal of the control processor is fixed in the protective tube 1 through a circular plate, and the electrical signal of the second piezoelectric ceramic is connected to the control processor, a fixing disk 3 is glued to the upper end of the protective tube 1, a mounting tube 4 is threadedly connected to the fixing disk 3, the mounting tube 4 is rotatably connected to the striking cover 2, a plug-in column plugged into the fixing disk 3 is fixed on the striking cover 2, and the protective tube 13 is connected through a circular plate. The circular plate is fixed with a first piezoelectric ceramic 2 connected to the control processor electrical signal, and a USB interface electrically connected to the two processing modules is arranged on the base 1. The control processor 4 is a 32-bit ARM processor STM32F303CCT6. The use method and line connection method of the above-mentioned components are both adopted by the use method and line connection method in the above-mentioned prior art. A heating chamber 16 is provided in the fixed disk 3, and a heating component is provided in the heating chamber 16. A heating hole 8 connected to the heating chamber 16 is provided in the fixed disk 3, and a ventilation component is installed in the heating hole 8, wherein there are two heating holes 8. The upper side surface of the impact cover 2 is circular, and the number of ventilation components is the same as that of the heating holes 8, and the ventilation component and the heating hole 8 are the same. The hole 8 is annular and evenly surrounds the upper side of the impact cover 2 with the center of the circle of the upper side of the impact cover as the center. An air outlet pipe 9 is fixed in the fixed disk 3, and one end of the air outlet pipe 9 is connected to the outside of the fixed disk 3. An air circulation cavity 17 is opened in the fixed disk 3, and a plurality of baffles 18 are arranged in the air circulation cavity 17 to form a plurality of arc-shaped cavities. The air outlet pipe 9 and the heating hole 8 are separately connected to the arc cavity, and the air circulation cavity 17 is connected to an air circulation channel opened on the impact cover 2. An air inlet hole 10 connected to the air circulation cavity 17 is opened on the fixed disk 3, and the air inlet hole 10 is connected to the lower side of the fixed disk 3. When the staff checks or detects that there is ice or snow on the impact cover 2 through nearby camera equipment, the staff passes The ventilation component is controlled by the control processor to operate, driving the air to flow. The air outside the rain and hail meter enters the heating chamber 16 of the fixed disk 3 from the air inlet 10, and the air is heated by the heating component. The heated air is sequentially from the heating chamber 16 to the heating hole 8 to the air circulation channel. In the air circulation channel, the heat in the heated air is absorbed by the impact cover 2, and the air temperature gradually decreases. Then, it flows into the outside of the rain and hail meter for air circulation. Through the air heating cycle, the impact cover 2 is heated again, and then flows into the outside for a cycle. The impact cover 2 is heated and thawed to ensure that the impact cover 2 is not frozen, thereby ensuring the detection accuracy. The operation of the ventilation component and the heating component can be controlled by the control processor through the USB interface connected to the host computer.

[0022] Specifically, the heating component can use an electric heating wire 5, and the electric heating wire 5 and the ventilation component are connected to a control processor via a wire.

[0023] Specifically, the air circulation channel includes two heating channels 6 and two air outlet channels 7 opened in the impact cover 2, the two heating channels 6 and the two air outlet channels 7 are connected to the annular cavity, the air outlet channel 7 is connected to the air outlet pipe 9 through the air circulation cavity 17, the heating channel 6 is connected to the heating hole 8 through the arc cavity of the air circulation cavity 17, the air heated by the electric heating wire 5 enters the heating hole 8 from the heating chamber 16 and then enters the air circulation cavity 17, flows from the air circulation cavity 17 into the heating channel 6, then passes through the annular cavity 19 and then flows out from the air outlet channel 7, then flows to the air circulation cavity 17 connected to the air outlet pipe 9 and then flows out from the air outlet pipe 9. 9 flows out to the outside, wherein two heating channels 6 and two air outlet channels 7 are equidistantly distributed around the center line of the impact cover 2, so that the hot air enters the circulation cavity from the heating channel 6 and then flows to the air outlet channel 7, which can heat the impact cover 2 more evenly. When the impact cover 2 is rotated, the heating channel 6 and the air outlet channel 7 will be driven to rotate. When the arc cavity of the air circulation cavity 17 is aligned with the heating channel 6, it is hot air transportation. When the arc cavity of the air circulation cavity 17 is aligned with the air outlet channel 7, it is air outlet. Since the air circulation cavity 17 is fan-shaped, no matter how it is rotated, it can ensure that the heating channel 6 and the heating hole 8 are connected, and the air outlet channel 7 and the air outlet pipe 9 are connected.

[0024] Specifically, a spherical block 11 is fixed on the striking cover 2, an annular groove 12 is provided on the fixed disk 3, and a liquid outlet 13 connected to the annular groove 12 is provided on the fixed disk 3. The other end of the liquid outlet 13 is connected to the lower side of the fixed disk 3. Water enters from between the striking cover 2 and the mounting tube 4 and flows into the annular groove 12, and then flows from the annular groove 12 into the liquid outlet 13, thereby preventing water from entering the heating chamber 16 in the fixed disk 3 and the interior of the fixed disk 3 through the gap between the striking cover 2 and the mounting tube 4, thereby preventing water from affecting the internal components of the hail machine from being soaked and causing damage to the components.

[0025] Specifically, the ventilation component includes a motor 14 fixed in the heating hole 8, and a fan blade 15 is fixed at the output end of the motor 14. The motor 14 is connected to a control processor through a wire. The operation of the motor 14 drives the fan blade 15 to operate. The hot air flows through the ventilation component, the electric heating wire 5, the heating hole 8, the heating channel 6, the air outlet channel 7, the air inlet hole 10 and the air outlet pipe 9, so as to heat and defrost the impact cover 2, thereby ensuring the normal use of the impact cover 2 and ensuring the normal measurement of rain and hail in cold weather.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The patent protection scope of the present invention shall be based on the claims. All equivalent structural changes made using the description and drawings of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rain and hail meter based on piezoelectric measurement, comprising a base, a protective tube arranged on the base, a control processor arranged in the protective tube, a strike cover and a second piezoelectric ceramic arranged on the strike cover, wherein a first piezoelectric ceramic connected to an electrical signal of the control processor is fixed in the protective tube through a circular plate, and the electrical signal of the second piezoelectric ceramic is connected to the control processor, a fixing disk is glued to the upper end of the protective tube, a mounting tube is threadedly connected to the fixing disk, the mounting tube is rotatably connected to the strike cover, and a plug-in column plugged into the fixing disk is provided on the strike cover, Features: A heating bin is provided in the fixed disk, a heating component is arranged in the heating bin, a heating hole connected with the heating bin is provided in the fixed disk, a ventilation component is installed in the heating hole, an air outlet pipe is fixed in the fixed disk, one end of the air outlet pipe is connected with the outside of the fixed disk, an air circulation cavity is provided in the fixed disk, a plurality of baffles are arranged in the air circulation cavity to form a plurality of arc-shaped cavities, the air outlet pipe and the heating hole are separately connected with the arc-shaped cavity, the air circulation cavity is connected with an air circulation channel provided on the bearing cover, an air inlet hole connected with the air circulation cavity is provided on the fixed disk, and the air inlet hole is connected with the lower side of the fixed disk.

2. A rain and hail meter based on piezoelectric measurement according to claim 1, Features: The heating component is an electric heating wire.

3. A rain and hail meter based on piezoelectric measurement according to claim 1, Features: The air circulation channel includes two heating channels and two air outlet channels opened in the impact cover. The two heating channels and the two air outlet channels are connected to the annular cavity. The annular cavity is opened on the impact cover. The air outlet channels are connected to the air outlet pipe through the air circulation cavity, and the heating channels are connected to the heating holes through the air circulation cavity.

4. A rain and hail meter based on piezoelectric measurement according to claim 1, Features: A spherical block is fixed on the striking cover, an annular groove is provided on the mounting tube, a liquid outlet hole connected to the annular groove is provided on the mounting tube, and the other end of the liquid outlet hole is connected to the outside of the mounting tube.

5. A rain and hail meter based on piezoelectric measurement according to claim 1, Features: The ventilation assembly comprises a motor fixed in the heating hole, and a fan blade is fixed at the output end of the motor.

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