Insect-proof rainfall sensor

Abstract

The invention provides an insect-proof rain sensor which comprises a rain gauge and an insect-proof entering mechanism arranged in an opening in the lower end of the rain gauge, the insect-proof entering mechanism comprises a supporting ring movably arranged in the opening in the lower end of the rain gauge, and the outer ring of the supporting ring abuts against the wall of the opening in the lower end. A drainage screen window is fixedly arranged in the supporting ring, the drainage screen window covers an opening in the lower end of the rain gauge and is arranged under the drainage port, a screen hole is formed in the drainage screen window, the aperture of the screen hole ranges from 0.2 mm to 1.6 mm, and a threading hole is formed in the drainage screen window; according to the rain gauge, the aperture of each yarn hole ranges from 0.2 mm to 1.6 mm, so that insects or spiders can be thoroughly prevented from climbing into the rain gauge; and meanwhile, the water outlet is not provided with a plugging piece structure in the prior art, so that the water outlet is used as a whole to drain water, and the rainwater with large rainfall is plugged.

Description

Technical Field

[0001] The invention relates to the technical field of rain sensors, and in particular to an insect-proof rain sensor. Background Art

[0002] Most unmanned automatic weather stations are built outdoors, where there are many insects. They crawl into the rain gauge, causing the drain outlet of the rain gauge to be blocked, resulting in a large proportion of abnormal rainfall data. In the case of rainfall, solid objects (insect carcasses, excrement, spider webs, etc.) are washed into the drain outlet of the rain gauge due to the flushing of rainwater in the rain gauge, causing blockage. This situation will seriously affect the rainfall observation data of important weather processes. In order to solve the existing problem, a plugging piece (circular metal plate) is set at the drain outlet of the rain gauge. The existing plugging piece is set in a long strip shape, which just blocks the drain outlet. Figure 1 As shown, it is used for draining water, but because the draining part is small, it will be blocked when the rainfall is heavy. Therefore, when designing, the size of the mesh is set to be larger than 2mm, so that it will not be blocked when the rainfall is heavy. However, because the size of the mesh is larger than 2mm, insects or spiders can crawl into the rain gauge, which will cause blockage in the future. In order to solve the above problems, the present invention proposes an insect-proof rain gauge. Summary of the invention

[0003] To achieve the above-mentioned purpose, the present invention provides an insect-proof rain sensor, including a rain gauge and an insect-proof entry mechanism arranged in the lower end opening of the rain gauge, the insect-proof entry mechanism including a support ring movably arranged in the lower end opening of the rain gauge, the outer ring of the support ring and the wall of the lower end opening mutually abutting against each other, a drainage screen is fixedly arranged in the support ring, the drainage screen covers the lower end opening of the rain gauge and is arranged directly below the drain, the drainage screen is provided with a screen hole, the aperture of the screen hole is between 0.2mm-1.6mm, and a threading hole is opened on the drainage screen.

[0004] Optionally, it also includes N cross beams fixedly connected to the support ring, the cross beams are fixedly connected to the drainage screen, a plurality of fixing screws are movably inserted on the cross beams, the fixing screws are fixedly set on the rain gauge, the external thread of the fixing screws is provided with a nut, the nut and the cross beam are arranged in contact with each other, wherein N is a positive even number greater than or equal to 2, and the N cross beams are symmetrically arranged about the central axis of the support ring.

[0005] Optionally, it also includes a mouth guard ring that is detachably arranged in the threading hole, the mouth guard ring is movably arranged outside the threading line, and the inner diameter of the mouth guard ring is smaller than the outer diameter of the threading line, wherein the mouth guard ring is made of elastic material, so that after the threading line passes through the mouth guard ring, the deformation force of the mouth guard ring when it is restored to the central axis after deformation makes the mouth guard ring tightly contact with the hole wall of the threading hole, and the mouth guard ring and the threading line.

[0006] Optionally, a cleaning mechanism is also included, which includes a rotating ring rotatably arranged at the water discharge end of the rain gauge, a plurality of T-shaped limit plates are fixedly arranged on the upper end surface of the rotating ring, and the plurality of T-shaped limit plates are movably arranged in a T-shaped annular groove, and the T-shaped annular groove is opened on the rain gauge, and a cleaning brush is arranged on the inner ring of the rotating ring, so that when the rotating ring rotates, the cleaning brush can be used to clean the lower end surface of the drainage screen.

[0007] Optionally, the free ends of the cleaning brushes are arranged at an inclination, and the inclination direction of the cleaning brushes is toward the vertical center line of the drainage screen window, and the free ends of the cleaning brushes are in contact with the lower end surface of the drainage screen window.

[0008] Optionally, it also includes a first driving mechanism, which includes a first gear fixedly mounted outside the rotating ring, and a second gear meshing with the first gear, the second gear fixedly mounted outside the first rotating rod, the upper end of the first rotating rod fixedly connected to the driving lower end of the driving motor, and the driving motor is fixedly set on the outer wall of the rain gauge.

[0009] Optionally, it also includes a second driving mechanism, which includes a first bevel gear fixedly mounted outside the rotating ring, and a second bevel gear meshing with the first bevel gear, the second bevel gear is fixedly mounted outside the second rotating rod, one end of the second rotating rod is rotatably set on a rotating shaft, the rotating shaft is fixedly set on the outer wall of the rain gauge, the other end of the second rotating rod is fixedly connected to a fan blade, the number of the second rotating rods is M, and the M second rotating rods are equidistantly arranged on the rain gauge with the rain gauge as the center, and M is a positive integer greater than or equal to 2.

[0010] Optionally, it also includes an anti-rotation mechanism, which includes a fixed block fixedly connected to the second rotating rod, and a fixed seat fixedly arranged on the fixed block, wherein the fixed seat is rotatably arranged on the third rotating rod, the third rotating rod is fixedly inserted into the anti-rotation plate, and the anti-rotation plate is provided with a movable notch. One end of the first connecting spring is fixedly connected to the anti-rotation plate, and the other end of the first connecting spring is fixedly connected to the fixed block. The anti-rotation plate is tilted, and the inclined lower end of the anti-rotation plate is arranged to contact with the fixed block, and the inclined upper end of the anti-rotation plate is movably arranged in the anti-rotation groove, the anti-rotation groove is arranged on the inner side wall of the fixing ring, and the fixing ring is fixedly arranged on the outer side wall of the rain gauge, wherein a plurality of anti-rotation grooves are provided, and the plurality of anti-rotation grooves are arranged in an annular shape with equal distances around the central axis of the fixing ring as the center.

[0011] Optionally, it also includes a force transmission mechanism, which includes an impact rod assembly fixed on the lower end surface of the drainage screen, and an impact ball that can interfere with the impact rod assembly, the impact ball is movably arranged in an anti-stuck groove, the anti-stuck groove is opened on a rotating ring, the side wall of the anti-stuck groove is fixedly connected to one end of a third connecting spring, and the other end of the third connecting spring is fixedly connected to the side wall of the impact ball, wherein the number of the impact rod assemblies and / or the impact balls is set in plurality, and the ends of the impact rod assembly and the impact ball that are close to each other are both set to a round head structure.

[0012] Optionally, the impact rod assembly and the impact ball are both made of magnetic material, and the magnetic poles of the impact rod assembly and the impact ball on the side close to each other are the same, the impact rod assembly includes a first impact rod and a second impact rod, and a second connecting spring arranged between the first impact rod and the second impact rod and used to connect the first impact rod and the second impact rod, the upper end of the first impact rod is fixedly connected to a connecting rod, the upper end of the connecting rod is fixedly connected to the lower end surface of the load-bearing block, the load-bearing block is movably arranged in a load-bearing groove, and the load-bearing groove is opened on the second impact rod, wherein the first impact rod can collide with the impact ball, and the upper end of the second impact rod is fixedly connected to the drainage screen.

[0013] The beneficial effects of the present invention are as follows:

[0014] The present invention sets the aperture of the screen hole between 0.2 mm and 1.6 mm, which can completely prevent insects or spiders from crawling into the rain gauge. At the same time, the drain port is not provided with a blocking member structure like in the prior art, so that the drain port is drained as a whole, thereby blocking rainwater with a large amount of rain. In addition, the drainage screen window of the present invention covers the lower end opening of the rain gauge, so that rainwater will expand the drainage area when passing through the drain port. Specifically, the lower end opening of the rain gauge is used as a drainage area, thereby greatly increasing the drainage efficiency and avoiding the situation that rainwater is blocked during the drainage process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the bottom structure of the rain gauge in the existing rain sensor;

[0016] Figure 2 It is a schematic diagram of the bottom structure of the rain gauge in the insect-proof rain sensor of the present invention;

[0017] Figure 3 The insect-proof rain sensor of the present invention Figure 2 A schematic diagram of the enlarged structure in the middle;

[0018] Figure 4 It is a schematic diagram of the structure of the cleaning mechanism in the insect-proof rain sensor of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the first driving mechanism in the insect-proof rain sensor of the present invention;

[0020] Figure 6 It is a structural schematic diagram of the second driving mechanism in the insect-proof rain sensor of the present invention;

[0021] Figure 7 It is a schematic diagram of the spatial arrangement structure of several second driving mechanisms in the insect-proof rain sensor of the present invention;

[0022] Figure 8 It is a schematic diagram of the structure of the anti-rotation mechanism in the insect-proof rain sensor of the present invention;

[0023] Fig. 9 It is a structural schematic diagram of the force transmission mechanism in the insect-proof rain sensor of the present invention;

[0024] Fig.10 The insect-proof rain sensor of the present invention Fig. 9 A magnified schematic diagram of the structure B in the middle;

[0025] Fig.11 It is a schematic diagram of the three-dimensional structure of an embodiment of the insect-proof rain sensor of the present invention.

[0026] Reference numerals

[0027] Rain gauge 1,

[0028] Insect-proof entry mechanism 2, support ring 21, crossbeam 22, fixing screw 23, water-draining screen 24, screen hole 25, threading hole 26, mouth guard ring 27,

[0029] Cleaning mechanism 3, rotating ring 31, cleaning brush 32, T-shaped limiting plate 33, T-shaped annular groove 34, first driving mechanism 4, first gear 41, second gear 42, first rotating rod 43, driving motor 44, second driving mechanism 5, first bevel gear 51, second bevel gear 52, second rotating rod 53, rotating shaft 54, fan blade 55,

[0030] Anti-rotation mechanism 6, fixed block 61, fixed seat 62, third rotating rod 63, anti-rotation plate 64, moving notch 65, first connecting spring 66, anti-rotation groove 67, fixed ring 68,

[0031] The force transmission mechanism 7, the impact rod assembly 71, the first impact rod 711, the second impact rod 712, the second connecting spring 713, the connecting rod 714, the load-bearing block 715, the load-bearing groove 716, the impact ball 72, the anti-stuck groove 73, and the third connecting spring 7. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein should be understood by people with general skills in the field of the present invention. The words "including" and similar words used in this article mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0033] In the prior art, a support plate 200 is fixedly arranged in the rain gauge 100, and a long strip-shaped drain port is arranged near the middle of the support plate 200. A blocking member 400 for blocking is arranged on the drain port. The blocking member 400 is fixed to the rain gauge 100 by fixing screws 500. A plurality of mesh holes 600 are arranged on the blocking member 400. A threading hole 300 is also arranged on the support plate 200. Figure 1As shown; when draining water, multiple mesh holes 600 replace the overall drain outlet to drain water, but since the drainage area is small, blockage will occur when the rainfall is heavy. For this reason, during the design, the size of the mesh holes is set to be larger than 2mm, so that blockage will not occur when the rainfall is heavy. However, since the size of the mesh holes is larger than 2mm, insects or spiders can crawl into the rain gauge, which will cause blockage in the future.

[0034] In view of the problems existing in the prior art, an embodiment of the present invention provides an insect-proof rain sensor, such as Figure 2 , Figure 3 and Fig.11 As shown, the insect-proof rain sensor includes a rain gauge 1, and an insect-proof entry mechanism 2 arranged in the lower end opening of the rain gauge 1, the insect-proof entry mechanism 2 includes a support ring 21 movably arranged in the lower end opening of the rain gauge 1, the outer ring of the support ring 21 and the wall of the lower end opening are in conflict with each other, a drainage screen 24 is fixedly arranged in the support ring 21, the drainage screen 24 covers the lower end opening of the rain gauge 1, and is arranged directly below the drain, the drainage screen 24 is provided with a screen hole 25, the aperture of the screen hole 25 is between 0.2mm-1.6mm, and the drainage screen 24 is provided with a threading hole 26.

[0035] Preferably, when the aperture of the gauze hole 25 is 0.2 mm, it is the minimum aperture of the drainage screen 24 through which rainwater can pass; when the aperture of the gauze hole 25 is 1.6 mm, it is the minimum aperture of the drainage screen 24 that can prevent insects or spiders from entering the rain gauge 1; when the aperture of the gauze hole 25 is 0.9 mm, it can allow rainwater to pass through and effectively block insects or spiders.

[0036] Preferably, the support ring 21, the crossbeam 22, the fixing screws 23 and the drain screen 24 are all made of industrial stainless steel, which is strong, rust-resistant and corrosion-resistant, and can be maintenance-free for a long time.

[0037] During installation, the insect-proof entry mechanism 2 is arranged at the bottom of the rain gauge 1, and the four fixing screws 23 and threading holes arranged on the rain gauge 1 correspond to the screw holes and threading holes on the base of the rain gauge 1; the four screws on the sensor base of the rain gauge 1 are removed, and the four fixing screws 23 fixing the insect-proof entry mechanism 2 are replaced, and the fixing screws 23 are passed through the base and the crossbeam 22 of the rain gauge 1 from top to bottom, and tightened with nuts and washers at the bottom of the crossbeam 22, so that the insect-proof entry mechanism 2 can be fixed to the bottom of the rain gauge 1.

[0038] In one embodiment, if Figure 2As shown, it also includes N crossbeams 22 fixedly connected to the support ring 21, the crossbeams 22 are fixedly connected to the drain screen 24, and a plurality of fixing screws 23 are movably inserted on the crossbeam 22, the fixing screws 23 are fixedly set on the rain gauge 1, and the fixing screws 23 are externally threaded with nuts, and the nuts and the crossbeams 22 are mutually conflicting, wherein N is a positive even number greater than or equal to 2, and the N crossbeams 22 are symmetrically arranged about the central axis of the support ring 21. Preferably, the number of the crossbeams 22 is set to two, and the two crossbeams 22 are symmetrically arranged, so that when the rain gauge sensor dump bucket is launched into the water outlet, splashing caused by rainwater can be prevented.

[0039] In one embodiment, if Figure 2 As shown, it also includes a mouth guard ring 27 detachably arranged in the threading hole 26, the mouth guard ring 27 is movably sleeved outside the threading, and the inner diameter of the mouth guard ring 27 is smaller than the outer diameter of the threading line, wherein the mouth guard ring 27 is made of elastic material, so that after the threading line passes through the mouth guard ring 27, the mouth guard ring 27 is deformed and reset to the central axis through the deformation force when the mouth guard ring 27 is deformed, so that the mouth guard ring 27 and the hole wall of the threading hole 26, and the mouth guard ring 27 and the threading line are tightly in contact. The setting of the mouth guard ring 27 can not only prevent the line from being worn at the edge of the insect-proof net, but also block the threading port to prevent insects and spiders from crawling in.

[0040] After the drain screen 24 has been working for a long time, a layer of dust will be deposited on the lower end surface of the drain screen 24, or splashed solid objects will adhere to the lower end surface of the drain screen 24, which will cause the drain screen 24 to be blocked from below. In order to solve the above problem, in one embodiment, as Figure 4 As shown, the insect-proof rain sensor also includes a cleaning mechanism 3, which includes a rotating ring 31 rotatably arranged on the lower water end of the rain gauge 1, and a plurality of T-shaped limit plates 33 are fixedly arranged on the upper end surface of the rotating ring 31, and the plurality of T-shaped limit plates 33 are movably arranged in a T-shaped annular groove 34, and the T-shaped annular groove 34 is opened on the rain gauge 1, and a cleaning brush 32 is arranged on the inner ring of the rotating ring 31, so that when the rotating ring 31 rotates, the cleaning brush 32 can be used to clean the lower end surface of the drainage screen 24.

[0041] The cleaning mechanism 3 is configured to clean the lower end surface of the drainage screen 24 from below by rotating, thereby effectively preventing dust or splashed solid objects from adhering to the lower end surface of the drainage screen 24; when working, the rotation of the rotating ring 31 will cause the cleaning brush 32 to rotate, and the rotation of the cleaning brush 32 will clean off the dust deposited on the lower end surface of the drainage screen 24 or the solid objects splashed on the lower end surface of the drainage screen 24.

[0042] In one embodiment, the cleaning brush 32 can be set horizontally or inclined. In the embodiment where the cleaning brush 32 is set horizontally, when the cleaning brush 32 rotates, it cleans by driving air flow or the cleaning brush 32 near the top contacts the drainage screen 24.

[0043] In the embodiment where the cleaning brush 32 is tilted, the free ends of the cleaning brush 32 are tilted, and the tilting direction of the cleaning brush 32 is toward the vertical center line of the drainage screen 24, and the free ends (which can be understood as the upper ends) of the cleaning brush 32 are in contact with the lower end surface of the drainage screen 24. This arrangement allows the upper ends of all cleaning brushes 32 to contact different parts of the drainage screen 24, so that a better cleaning effect can be achieved during cleaning.

[0044] In order to intelligently drive the rotating ring 31 to rotate, in one embodiment, Figure 5 As shown, the insect-proof rain sensor also includes a first driving mechanism 4, which includes a first gear 41 fixedly sleeved outside the rotating ring 31, and a second gear 42 meshing with the first gear 41, and the second gear 42 is fixedly sleeved outside the first rotating rod 43, and the upper end of the first rotating rod 43 is fixedly connected to the driving lower end of the driving motor 44, and the driving motor 44 is fixedly arranged on the outer wall of the rain gauge 1. In order to better achieve the degree of intelligence, a sensor and a processor are arranged in the rain gauge 1, and the sensor and the processor are both electrically connected to the driving motor 44; the setting of the first driving mechanism 4 in the present invention can achieve intelligent control of the rotation of the rotating ring 31; when working, after the sensor senses the signal that rainwater enters the rain gauge 1, the processor will control the driving motor 44 to work, and the work of the driving motor 44 will rotate the second gear 42 through the first rotating rod 43, and the rotation of the second gear 42 will rotate the rotating ring 31 through the first gear 41.

[0045] With the introduction of the concept of renewable energy in society and the goal of achieving energy conservation and consumption reduction, the present invention provides a structure that can utilize wind energy to drive the rotating ring 31 to rotate, so that energy conservation and consumption reduction can be achieved through wind energy, and at the same time, the problem of easy damage to the power control system can be avoided. Specifically, in one embodiment, as Figure 6 As shown, the insect-proof rain sensor also includes a second driving mechanism 5, which includes a first bevel gear 51 fixedly sleeved outside the rotating ring 31, and a second bevel gear 52 meshing with the first bevel gear 51, the second bevel gear 52 is fixedly sleeved outside the second rotating rod 53, one end of the second rotating rod 53 is rotatably set on the rotating shaft 54, and the rotating shaft 54 ​​is fixedly set on the outer wall of the rain gauge 1, and the other end of the second rotating rod 53 is fixedly connected with a fan blade 55, and the number of the fan blade 55 is set to be several, and the several fan blades 55 form a structure similar to the fan blade of a fan. When working, when subjected to horizontal wind, the fan blade 55 will rotate with the second rotating rod 53, and the rotation of the second rotating rod 53 will rotate with the second bevel gear 52, and the rotation of the second bevel gear 52 will rotate with the rotating ring 31 through the first bevel gear 51; the structural design of the second driving mechanism 5 in the present invention is simple and reasonable, which can achieve the effect of being simple and easy to manufacture, and at the same time, it can effectively provide power for the rotation of the rotating ring 31.

[0046] In one embodiment, the number of the second rotating rods 53 is M, and the M second rotating rods 53 are arranged on the rain gauge 1 at equal distances with the rain gauge 1 as the center, and M is a positive integer greater than or equal to 2. Specifically, the combination structure of the first bevel gear 51, the second bevel gear 52, the second rotating rod 53, the rotating shaft 54, and the fan blades 55 is M, and the number of the combination structure of the first bevel gear 51, the second bevel gear 52, the second rotating rod 53, the rotating shaft 54, and the fan blades 55 can be set to 2, 3, 4 or more. The provision of multiple second rotating rods 53 can enable the device to receive wind forces at multiple angles, thereby ensuring that no matter which direction the wind blows from, it can rotate the rotating ring 31 through the combination structure. Figure 7 In the implementation manner, the above-mentioned combined structures are arranged into four groups, so that the device can receive winds from the east, south, west and north.

[0047] In the above-mentioned combination structure of the plurality of groups of the first bevel gear 51, the second bevel gear 52, the second rotating rod 53, the rotating shaft 54, and the fan blade 55, in order to maintain the combination structure of the plurality of groups of the first bevel gear 51, the second bevel gear 52, the second rotating rod 53, the rotating shaft 54, and the fan blade 55 to have the same rotation direction, and to avoid providing opposite forces to the rotating ring 31 when the rotation directions are different, thereby causing the rotating ring 31 to be unable to rotate, in one embodiment, as Figure 8 As shown, the insect-proof rain sensor also includes an anti-rotation mechanism 6, which includes a fixed block 61 fixedly connected to the second rotating rod 53, and a fixed seat 62 fixedly arranged on the fixed block 61, a third rotating rod 63 is rotatably arranged on the fixed seat 62, and the third rotating rod 63 is fixedly plugged on the anti-rotation plate 64, and a moving notch 65 is opened on the anti-rotation plate 64, and one end of a first connecting spring 66 is fixedly connected to the anti-rotation plate 64, and the first connecting spring 66 has a The other end is fixedly connected to the fixed block 61, the anti-rotation plate 64 is inclined, the inclined lower end of the anti-rotation plate 64 is in contact with the fixed block 61, the inclined upper end of the anti-rotation plate 64 is movably arranged in the anti-rotation groove 67, the anti-rotation groove 67 is opened on the inner wall of the fixing ring 68, and the fixing ring 68 is fixedly arranged on the outer wall of the rain gauge 1, wherein the anti-rotation groove 67 is provided with a plurality of anti-rotation grooves 67, and the plurality of anti-rotation grooves 67 are arranged in an equidistant ring shape with the central axis of the fixing ring 68 as the center.

[0048] The anti-rotation mechanism 6 is set so that the combination structure of multiple sets of the first bevel gear 51, the second bevel gear 52, the second rotating rod 53, the rotating shaft 54, and the fan blade 55 can have the same rotation direction. For example, multiple sets of combined structures rotate counterclockwise with the rotating ring 31. When working, the anti-rotation plate 64 can swing clockwise and reset counterclockwise. When the anti-rotation plate 64 swings clockwise, the second rotating rod 53 moves counterclockwise and resets counterclockwise. Figure 7 In the example, the second rotating rod 53 can only rotate counterclockwise because the second rotating rod 53 cannot rotate clockwise due to the interference between the lower end of the anti-rotation plate 64 and the fixed block 61. Figure 7 In the example, it can be ensured that the combination structures of the first bevel gear 51, the second bevel gear 52, the second rotating rod 53, the rotating shaft 54, and the fan blades 55 all rotate counterclockwise. It should be noted that when the wind blows in a single direction, the combination structure in the direction of the wind will rotate with the rotating ring 31, and the combination structures in other directions will be passively rotated when the rotating ring 31 rotates. It is worth noting that the combination structures in other directions will act on the rotating ring 31 due to inertia during the rotation process, so that the rotating ring 31 rotates for a longer time.

[0049] In actual operation, on the one hand, due to the small aperture of the gauze hole 25, on the other hand, long-term operation may cause some sediment to enter the gauze hole 25. These two situations may still cause the gauze hole 25 to be blocked, especially in heavy rain. The gauze hole 25 may still be blocked and water cannot be drained in time. In order to solve the above problems, in one embodiment, as Fig. 9 As shown, the insect-proof rain sensor also includes a force transmission mechanism 7, which includes a striker rod assembly 71 fixed on the lower end surface of the drainage screen 24, and a striker ball 72 that can interfere with the striker rod assembly 71, and the striker ball 72 is movably arranged in an anti-stuck groove 73, and the anti-stuck groove 73 is provided on the rotating ring 31, and the side wall of the anti-stuck groove 73 is fixedly connected with one end of a third connecting spring 7, and the other end of the third connecting spring 7 is fixedly connected to the side wall of the striker ball 72, wherein the striker rod assembly 71 and / or the striker ball 72 are provided in plurality, and the ends of the striker rod assembly 71 and the striker ball 72 that are close to each other are both provided with round head structures.

[0050] The force transmission mechanism 7 is set up to form mechanical vibration on the drainage screen window 24, so as to achieve the effect of unblocking the screen hole 25 and vibrating out the objects deposited in the screen hole 25 by the vibration. On the other hand, when draining water, the vibration can prevent rainwater from forming a fishing net in a single screen hole 25, which leads to the problem of drainage blockage. In addition, the structure design of the force transmission mechanism 7 is reasonable, and no external power source is required. It can rotate synchronously during the rotation of the rotating ring 31, so that the high uniformity of the movement of the device can be guaranteed. During operation, the rotation of the rotating ring 31 will rotate with the impact ball 72. During the rotation of the impact ball 72, it will hit the impact rod assembly 71. The vibration generated by the impact force will be transmitted to the drainage screen window 24 through the impact rod assembly 71, so that the drainage screen window 24 has mechanical vibration. The mechanical vibration of the drainage screen window 24 can not only vibrate out the sediments deposited in the screen hole 25, but also improve the drainage efficiency.

[0051] In order to provide a longer lasting mechanical vibration force, in one embodiment, Fig.10As shown, the impact rod assembly 71 and the impact ball 72 are both set to magnetic materials, and the magnetic poles of the impact rod assembly 71 and the impact ball 72 on the side close to each other are the same, the impact rod assembly 71 includes a first impact rod 711 and a second impact rod 712, and a second connecting spring 713 arranged between the first impact rod 711 and the second impact rod 712 and used to connect the first impact rod 711 and the second impact rod 712, the upper end of the first impact rod 711 is fixedly connected with a connecting rod 714, the upper end of the connecting rod 714 is fixedly connected to the lower end surface of the bearing block 715, the bearing block 715 is movably arranged in a bearing groove 716, and the bearing groove 716 is opened on the second impact rod 712, wherein the first impact rod 711 can collide with the impact ball 72, and the upper end of the second impact rod 712 is fixedly connected to the drainage screen 24. During operation, when the impact rod assembly 71 and the impact ball 72 are close to each other, under the action of the magnetic repulsive force, the first impact rod 711 will be pushed to move upward with the combined structure of the connecting rod 714 and the load-bearing block 715. As the impact rod assembly 71 and the impact ball 72 are dislocated and moved away, the repulsive force disappears. At this time, under the push of the second connecting spring 713, the combined structure will perform a reset movement downward. During the reset movement, the load-bearing block 715 will hit the bottom wall of the load-bearing groove 716, thereby forming an impact vibration again and transmitting it to the water drainage screen 24, thereby delaying the mechanical vibration time of the water drainage screen 24.

[0052] The beneficial effects of the present invention are as follows:

[0053] The present invention sets the aperture of the screen hole 25 between 0.2 mm and 1.6 mm, which can completely prevent insects or spiders from crawling into the rain gauge. At the same time, the drain port is not provided with a sealing member structure like in the prior art, so that the drain port is drained as a whole, thereby blocking rainwater with a large amount of rain. In addition, the drainage screen window 24 of the present invention covers the lower end opening of the rain gauge 1, so that rainwater will expand the drainage area when passing through the drain port. Specifically, the lower end opening of the rain gauge 1 is used as a drainage area, thereby greatly increasing the drainage efficiency and avoiding the situation where rainwater is blocked during the drainage process.

[0054] Although the embodiments of the present invention are described in detail above, it is obvious to those skilled in the art that various modifications and variations can be made to these embodiments. However, it should be understood that such modifications and variations are within the scope and spirit of the present invention as described in the claims. Moreover, the present invention described herein may have other embodiments and may be implemented or realized in a variety of ways.

Claims

1. An insect-proof rain sensor, characterized in that: The invention comprises a rain gauge (1) and an insect-proof entry mechanism (2) arranged in the lower opening of the rain gauge (1), wherein the insect-proof entry mechanism (2) comprises a support ring (21) movably arranged in the lower opening of the rain gauge (1), wherein the outer ring of the support ring (21) abuts against the wall of the lower opening, and a drainage screen (24) is fixedly arranged in the support ring (21), wherein the drainage screen (24) covers the lower opening of the rain gauge (1) and is arranged directly below the drain outlet, wherein a screen hole (25) is arranged on the drainage screen (24), wherein the aperture of the screen hole (25) is between 0.2 mm and 1.6 mm, and a threading hole (26) is opened on the drainage screen (24).

2. The insect-proof rain sensor according to claim 1, characterized in that: It also includes N crossbeams (22) fixedly connected to the support ring (21), the crossbeams (22) being fixedly connected to the drain screen window (24), a plurality of fixing screws (23) being movably inserted into the crossbeams (22), the fixing screws (23) being fixedly arranged on the rain gauge (1), the fixing screws (23) being externally threaded with nuts, the nuts and the crossbeams (22) being arranged in contact with each other, wherein N is a positive even number greater than or equal to 2, and the N crossbeams (22) are symmetrically arranged about the central axis of the support ring (21).

3. The insect-proof rain sensor according to claim 1, characterized in that: The invention also comprises a mouth guard ring (27) which is detachably arranged in the threading hole (26), wherein the mouth guard ring (27) is movably sleeved outside the threading wire, and the inner diameter of the mouth guard ring (27) is smaller than the outer diameter of the threading wire, wherein the mouth guard ring (27) is made of elastic material, so that after the threading wire is inserted into the mouth guard ring (27), the mouth guard ring (27) is deformed and resets to the central axis through the deformation force, so that the mouth guard ring (27) and the hole wall of the threading hole (26), as well as the mouth guard ring (27) and the threading wire are in close contact with each other.

4. The insect-proof rain sensor according to claim 1, characterized in that: The invention also comprises a cleaning mechanism (3), the cleaning mechanism (3) comprising a rotating ring (31) rotatably arranged at the water discharge end of the rain gauge (1), a plurality of T-shaped limit plates (33) being fixedly arranged on the upper end surface of the rotating ring (31), the plurality of T-shaped limit plates (33) being movably arranged in a T-shaped annular groove (34), the T-shaped annular groove (34) being provided on the rain gauge (1), and a cleaning brush (32) being arranged on the inner ring of the rotating ring (31) so that when the rotating ring (31) rotates, the cleaning brush (32) can be brought to clean the lower end surface of the drainage screen window (24).

5. The insect-proof rain sensor according to claim 4, characterized in that: The free ends of the cleaning brushes (32) are arranged at an inclination, and the inclination direction of the cleaning brushes (32) is toward the vertical center line of the drainage screen window (24), and the free ends of the cleaning brushes (32) are in contact with the lower end surface of the drainage screen window (24).

6. The insect-proof rain sensor according to claim 4, characterized in that: The rain gauge (1) further comprises a first driving mechanism (4), the first driving mechanism (4) comprising a first gear (41) fixedly sleeved outside the rotating ring (31), and a second gear (42) meshing with the first gear (41), the second gear (42) fixedly sleeved outside a first rotating rod (43), the upper end of the first rotating rod (43) fixedly connected to the driving lower end of a driving motor (44), and the driving motor (44) fixedly arranged on the outer side wall of the rain gauge (1).

7. The insect-proof rain sensor according to claim 4, characterized in that: The invention also comprises a second driving mechanism (5), the second driving mechanism (5) comprising a first bevel gear (51) fixedly sleeved outside the rotating ring (31), and a second bevel gear (52) meshing with the first bevel gear (51), the second bevel gear (52) fixedly sleeved outside a second rotating rod (53), one end of the second rotating rod (53) being rotatably arranged on a rotating shaft (54), the rotating shaft (54) being fixedly arranged on the outer wall of the rain gauge (1), the other end of the second rotating rod (53) being fixedly connected with a fan blade (55), the number of the second rotating rods (53) being M, the M second rotating rods (53) being equidistantly arranged on the rain gauge (1) with the rain gauge (1) as the center, and M being a positive integer greater than or equal to 2.

8. The insect-proof rain sensor according to claim 7, characterized in that: The invention also comprises an anti-rotation mechanism (6), wherein the anti-rotation mechanism (6) comprises a fixed block (61) fixedly connected to the second rotating rod (53), and a fixed seat (62) fixedly arranged on the fixed block (61); a third rotating rod (63) is rotatably arranged on the fixed seat (62); the third rotating rod (63) is fixedly plugged into an anti-rotation plate (64); a moving notch (65) is provided on the anti-rotation plate (64); one end of a first connecting spring (66) is fixedly connected to the anti-rotation plate (64); the other end of the first connecting spring (66) is fixedly connected to the anti-rotation plate (64); The anti-rotation plate (64) is connected to a fixed block (61), the anti-rotation plate (64) is tilted, the tilted lower end of the anti-rotation plate (64) is arranged to contact with the fixed block (61), the tilted upper end of the anti-rotation plate (64) is movably arranged in an anti-rotation groove (67), the anti-rotation groove (67) is provided on the inner side wall of a fixed ring (68), and the fixed ring (68) is fixedly arranged on the outer side wall of the rain gauge (1), wherein a plurality of anti-rotation grooves (67) are arranged, and the plurality of anti-rotation grooves (67) are arranged in an annular shape with equal distances around the central axis of the fixed ring (68).

9. The insect-proof rain sensor according to claim 4, characterized in that: It also comprises a force transmission mechanism (7), the force transmission mechanism (7) comprising a striking rod assembly (71) fixed on the lower end surface of the drain screen (24), and a striking ball (72) that can mutually interfere with the striking rod assembly (71), the striking ball (72) being movably arranged in an anti-stuck groove (73), the anti-stuck groove (73) being arranged on the rotating ring (31), the side wall of the anti-stuck groove (73) being fixedly connected to one end of a third connecting spring (7), the other end of the third connecting spring (7) being fixedly connected to the side wall of the striking ball (72), wherein the striking rod assembly (71) and / or the striking ball (72) are provided in a plurality, and the ends of the striking rod assembly (71) and the striking ball (72) that are close to each other are both provided with round head structures.

10. The insect-proof rain sensor according to claim 9, characterized in that: The impact rod assembly (71) and the impact ball (72) are both made of magnetic material, and the magnetic poles of the impact rod assembly (71) and the impact ball (72) on the side close to each other are the same. The impact rod assembly (71) comprises a first impact rod (711) and a second impact rod (712), and a second connecting spring (713) arranged between the first impact rod (711) and the second impact rod (712) and used to connect the first impact rod (711) and the second impact rod (712). The upper end of the striking rod (711) is fixedly connected to a connecting rod (714), the upper end of the connecting rod (714) is fixedly connected to the lower end surface of a load-bearing block (715), the load-bearing block (715) is movably arranged in a load-bearing groove (716), and the load-bearing groove (716) is provided on the second striking rod (712), wherein the first striking rod (711) can collide with the striking ball (72), and the upper end of the second striking rod (712) is fixedly connected to the water-draining screen window (24).

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