CN213069236U

CN213069236U - Optical rain gauge

Info

Publication number: CN213069236U
Application number: CN202022150291.6U
Authority: CN
Inventors: 王相; 林虹宇; 赵执政; 万洪虎; 杜中鹏; 庞喜龙
Original assignee: Weihai Jingxun Changtong Electronic Technology Co Ltd
Current assignee: Weihai Jingxun Changtong Electronic Technology Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-04-27
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to an optical rain gauge. The technical scheme includes that the device comprises a transparent cover, a detection table and a ninety-degree lamp, wherein the transparent cover comprises a top surface and side surfaces, the side surfaces comprise a frustum-shaped side surface I and a prismatic-shaped side surface II, the top surface is connected with a narrow edge of the frustum-shaped side surface I, a wide edge of the frustum-shaped side surface I is connected with the prismatic-shaped side surface II, an inclination angle of the frustum-shaped side surface I is 45 degrees to the horizontal direction, a groove I is formed in the center of the interior of the transparent cover, and a transparent boss is arranged around the groove I; the detection table is arranged on the upper surface of the first circuit board, and the upper surface of the detection table is parallel to the top surface; the ninety-degree lamp is arranged in the center of the upper surface of the circuit board, and irradiates towards the horizontal direction; the first prismatic table-shaped side face, the detection table, the ninety-degree lamp and the transparent bosses are the same in number, and the position relations are in one-to-one correspondence. The rainfall and the rainfall intensity are judged by detecting the variable quantity of the optical path through the detection platform, the data is accurate, and the interference is small.

Description

Optical rain gauge

Technical Field

The utility model relates to a rainfall monitoring field, concretely relates to optics rain gauge.

Background

China is wide in land, complex in terrain and huge in climate difference, so that China is a country with frequent meteorological disasters, wherein a lot of disasters caused by rainfall, such as flood, cold tide and the like, cause great harm to life and property safety of people, therefore, rainfall monitoring becomes very important, the existing rain gauges are mostly mechanical, such as tipping bucket rain gauges, siphon rain gauges and the like, and the rain gauges are greatly influenced by the outside, are easy to damage and rust and have large measurement errors.

Disclosure of Invention

To above-mentioned mechanical type rain gauge receive external influence big, damage easily, get rusty, the big problem of measuring error, the utility model provides a receive external disturbance little, measure accurate optics rain gauge.

In order to achieve the purpose, the utility model provides an optical rain gauge, including translucent cover, test table and ninety degrees lamp, the translucent cover includes top surface and side, the side includes terrace with edge form side one and prismatic side two, the narrow limit of top surface and terrace with edge form side one is connected, the broadside and the prismatic side two of terrace with edge form side one are connected, an inclination angle of terrace with edge form side is 45 degrees with the horizontal direction, the inside center of translucent cover has a recess one, there is transparent boss around; the detection table is installed on the upper surface of the first circuit board, the upper surface of the detection table is parallel to the top surface, the ninety-degree lamp is installed in the center of the upper surface of the first circuit board, a top light source of the ninety-degree lamp is located in the first groove, the ninety-degree lamp irradiates in the horizontal direction, the first prismatic table-shaped side face, the detection table, the ninety-degree lamp and the transparent bosses are the same in quantity, and the position relations correspond to one another. The optical principle is adopted for measurement, namely, light emitted by a light source is refracted downwards through a 45-degree inclined plane, is received by a detection platform and is sent to a background for data processing, if raindrops fall, the light is refracted, the light path of an original light signal is changed, and the background can calculate rainfall according to the variation of the light path.

Preferably, the optical rain gauge further comprises a shading ring, the shading ring comprises a central frame and shading rings around the central frame, the shape of the central frame is the same as that of the first groove, the shape of the shading rings is the same as that of the transparent bosses, the number of the shading rings is the same as that of the transparent bosses, and the shading rings are in one-to-one correspondence in position relation. The shading ring can form a shading channel between the transparent boss and the detection platform, so that transmitted light is gathered, and the detection platform is convenient to receive and process.

Preferably, the number of the ninety-degree lamps is six, the ninety-degree lamps are distributed in a circumference, the ninety-degree lamps uniformly irradiate towards the outer side of the circumference, and the number of the detection tables is six, and the detection tables are uniformly distributed along the circumference of the first circuit board. The influence of the light intensity attenuation on the received signal is reduced, and the detected data is more accurate.

Preferably, the transparent cover further comprises a base, a second groove is formed in the bottom of the transparent cover, a protrusion is arranged on the base, and the transparent cover and the base are installed and matched through the second groove and the protrusion. The connecting strength of the transparent cover and the base is enhanced.

Preferably, a waterproof joint is installed on the base, and the waterproof joint comprises a joint and a tightening nut. The sealing performance of the waterproof connector is improved, and the waterproof effect is better.

Preferably, the optical rain gauge further comprises a second circuit board, and the first circuit board and the second circuit board are connected through a contact pin. The data processing capability is stronger.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

the translucent cover includes top surface and side, the side includes terrace with edge form side one and prismatoid side two, the inclination of terrace with edge form side one is 45 degrees with the horizontal direction, there is the recess one of installation light source at the inside center of translucent cover, there is transparent boss on every side, the light source is by terrace with edge form side refraction downwards to the light of launching all around, pass the passageway that the light-shielding ring formed after gathering by transparent boss and be received by detecting the platform, it can calculate the rainfall size according to the change volume of light path to detect the platform, the light source all has six with detecting the platform, circumference evenly distributed along circuit board one, the influence of light intensity attenuation to received signal has been reduced. The bottom of the base is provided with a waterproof joint, the waterproof joint comprises a joint and a tightening nut, the waterproof performance of the wiring position is enhanced, and internal water inflow is prevented; the protrusion of the base can be matched with the groove at the bottom of the transparent cover, so that the connection strength is enhanced.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a top view of a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an internal view of a transparent cover according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a first circuit board according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a base according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a shading ring according to an embodiment of the present invention.

Fig. 8 is a schematic diagram of an optical path according to an embodiment of the present invention.

In the figure: 1. transparent cover, 2, shading ring, 3, circuit board one, 4, circuit board two, 5, sealing washer, 6, base, 7, water joint, 8, recess one, 9, transparent boss, 10, ninety degree lamp, 11, examine test table, 12, fixing bolt hole, 13, arch, 14, recess two, 15, transmitting terminal, 16, receiving terminal, 17, light path, 18, cylinder mounting.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. 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 scope of protection of this patent.

As shown in fig. 1 to 8, an optical rain gauge comprises a transparent cover 1, a shading ring 2, a first circuit board 3, a second circuit board 4 and a base 6, wherein the transparent cover 1 and the base 6 are provided with connecting columns with screw holes, the first circuit board 3 and the second circuit board 4 are provided with the screw holes, the base 6, the second circuit board 4, the first circuit board 3 and the transparent cover 1 are sequentially connected through the screw holes by screws from bottom to top, and the outer contour of the shading ring 2 and the outer contour of the connecting columns are provided with matched parts which are clamped between the transparent cover 1 and the first circuit board 3. The transparent cover 1 comprises a top surface and side surfaces, the side surfaces comprise a prismoid side surface I and a prismoid side surface II, the inclination angle of the prismoid side surface I is 45 degrees with the horizontal direction, a groove I8 is arranged in the center of the transparent cover 1, six uniformly distributed transparent bosses 9 are arranged around the groove I, six ninety-degree lamps 10 are arranged at the center of a circuit board I3, the ninety-degree lamps 10 are fixed in position through a cylindrical fixing piece 18, a top light source of the ninety-degree lamps 10 is positioned in the groove I8, the ninety-degree lamps 10 irradiate the upper surface of the circuit board I3 towards the horizontal direction, a detection table 11 is arranged on the upper surface of the detection table 11, the upper surfaces of the detection table 11 are parallel to the top surface of the transparent cover, the positions of the transparent bosses 9 and the detection table 11 correspond to each other in an up-down manner, the quantity of the ninety-degree lamps 10 is the same, the light is emitted, when rainfall happens, the detection table 11 can calculate the size of rainfall through the variable quantity of detecting the light path, and ninety degree lamp has six, is the circumference and distributes, and ninety degree lamp evenly shines towards the circumference outside, and the detection table 11 has six, along the circumference evenly distributed of circuit board 3, can reduce the influence of light intensity decay to received signal. Transparent cover 1 bottom is fluted two 14, and with the protruding 13 cooperation of base 6, it is inseparabler to make both connect, and base 6 bottom installation water joint 7, water joint 7 including connecting and tightening nut have improved the waterproof performance of wiring department.

During the use, with the screw translucent cover 1 in proper order, the light shading ring 2, circuit board one 3, circuit board two 4 and base 6 are connected, install the optics rain gauge in the place that needs to use through the gim peg hole 12 on the base 6, through water joint 7 with line connection to circuit board one 3 and circuit board two 4, can begin to work, the top of ninety degree lamp 10 is located recess one 8, ninety degree lamp 10 is luminous, light is through one refraction downwards of prismoid form side of translucent cover 1, propagate downwards after being gathered by transparent boss 9, the passageway that the light shading ring that passes through light shading ring 2 formed, receive by detection platform 11, and carry the backstage and carry out data processing, calculate rainfall and rainfall intensity according to the change volume of light path.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An optical rain gauge is characterized by comprising a transparent cover (1), a detection table (11) and a ninety-degree lamp (10), wherein the transparent cover (1) comprises a top surface and side surfaces, the side surfaces comprise a frustum-shaped side surface I and a prism-shaped side surface II, the top surface is connected with the narrow side of the frustum-shaped side surface I, the wide side of the frustum-shaped side surface I is connected with the prism-shaped side surface II, the inclination angle of the frustum-shaped side surface I is 45 degrees to the horizontal direction, a groove I (8) is formed in the center of the inside of the transparent cover (1), and a transparent boss (9) is arranged around the groove I;

the detection table (11) is arranged on the upper surface of the first circuit board (3), and the upper surface of the detection table (11) is parallel to the top surface;

the ninety-degree lamp (10) is installed in the center of the upper surface of the circuit board I (3), the top light source of the ninety-degree lamp (10) is positioned in the groove I (8), and the ninety-degree lamp irradiates towards the horizontal direction;

the first prismatic table-shaped side face, the detection table (11), the ninety-degree lamps (10) and the transparent bosses (9) are identical in number, and the position relations are in one-to-one correspondence.

2. The optical rain gauge according to claim 1, further comprising a light shielding ring (2), wherein the light shielding ring (2) comprises a central frame and surrounding light shielding rings, the shape of the central frame is the same as that of the first groove (8), the shape of the light shielding rings is the same as that of the transparent bosses (9), the number of the light shielding rings is the same as that of the transparent bosses (9), and the position relationship of the light shielding rings corresponds to one another.

3. The optical rain gauge according to claim 1, wherein 6 of the ninety-degree lamps are circumferentially distributed, the ninety-degree lamps uniformly irradiate toward the outside of the circumference, and six of the inspection stages (11) are uniformly distributed along the circumference of the first circuit board (3).

4. The optical rain gauge according to claim 1, further comprising a base (6), wherein the bottom of the transparent cover (1) is provided with a second groove (14), the base (6) is provided with a protrusion (13), and the transparent cover (1) and the base (6) are installed and matched through the second groove (14) and the protrusion (13).

5. Optical rain gauge according to claim 4, characterized in that the base (6) is fitted with a watertight joint (7), the watertight joint (7) comprising a joint and a tightening nut.

6. The optical rain gauge according to claim 1, further comprising a second circuit board (4), wherein the first circuit board (3) and the second circuit board (4) are connected by a pin.