CN112526643B - Automatic shielding device for collecting port of rain gauge - Google Patents
Automatic shielding device for collecting port of rain gauge Download PDFInfo
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- CN112526643B CN112526643B CN202011509534.9A CN202011509534A CN112526643B CN 112526643 B CN112526643 B CN 112526643B CN 202011509534 A CN202011509534 A CN 202011509534A CN 112526643 B CN112526643 B CN 112526643B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The invention relates to an automatic shielding device for a collection port of a rain gauge, which comprises a fixed seat, a driving motor and a rotating shaft, wherein the driving motor is fixed on the fixed seat, the rotating shaft is in transmission connection with the driving motor, a shielding cover is fixed on the rotating shaft, and the shielding cover comprises a shielding position for shielding the collection port of the rain gauge and an opening position for opening the collection port of the rain gauge; the rotating shaft is also fixed with an indicating piece, which comprises a first indicating piece and a second indicating piece; the fixed seat is fixedly provided with a first proximity switch, a second proximity switch, a controller and a raindrop sensor, the controller is in control connection with the first proximity switch, the controller is in control connection with the second proximity switch, and the controller is in control connection with the driving motor; the raindrop sensor is in control connection with the controller; the battery is electrically connected with the controller; the rain gauge collecting port can be shielded or opened according to specific weather conditions, so that the rain gauge can be normally used in rainy days, and the rain gauge collecting port can be kept clean in rainless days.
Description
Technical Field
The invention relates to an automatic shielding device for a collecting port of a rain gauge.
Background
The rain gauge is a special device for collecting precipitation and is used for measuring the precipitation in millimeters through a rain gauge cylinder matched with the rain gauge. The method is suitable for relevant departments such as weather stations (stations), hydrologic stations, environmental protection, flood prevention and drainage, agriculture and forestry and the like to measure the precipitation. The rain gauge is a traditional product, the water bearing port is made of a copper casting, and the cylinder body is made of a stainless steel plate through soldering. The common rain gauge shell is a metal cylinder and is divided into an upper section and a lower section, the upper section is a water containing funnel with the caliber of 20 cm, in order to prevent rainwater from splashing, the area and the shape of a container opening are kept, and the opening is made of hard copper into a shape of a blade with straight inside and inclined outside; a water storage bottle is arranged in the lower section cylinder for collecting rainwater, and when in measurement, the rainwater is poured into a special rain gauge cup to read the millimeter number of the precipitation.
Along with the development of society, the demand of society to rainfall monitoring is constantly improved, the rainfall station is constantly increased, newly-increased rainfall station mostly uses the rainfall ware or automatic monitoring rainfall ware to monitor, and the automatic monitoring rainfall ware adopts someone to take care of unmanned mode of operation, the operation of automatic monitoring rainfall ware is gone on by automatic monitoring rainfall ware is automatic completely, under this kind of circumstances, if rainfall ware or automatic monitoring rainfall ware mouth fall into debris such as leaf, can block the tipping bucket of rainfall bucket or automatic monitoring rainfall ware that the rainwater flowed into the rainfall ware, make rainfall ware or automatic monitoring rainfall ware unable normal operating, unable accurate acquisition rainfall data.
Disclosure of Invention
Therefore, the invention aims to provide an automatic shielding device for a rainfall collection port, which is used for solving the problem that the rainfall device or the automatic monitoring rainfall device in the prior art is incapable of operating normally due to the fact that sundries such as leaves easily fall into the rainfall device or the automatic monitoring rainfall device port.
In order to achieve the above purpose, the automatic shielding device for the collecting port of the rain gauge adopts the following technical scheme:
automatic shielding device of mouth is collected to rain gauge includes:
the fixing base is as follows: the fixed seat is fixed on the ground and is used for being arranged beside the rain gauge;
and (3) a driving motor: is fixed on the fixed seat;
and (2) rotating shaft: the driving motor is in transmission connection with the rotating shaft;
shielding cover: the shielding cover comprises a shielding position for shielding the collecting opening of the rain gauge and an opening position for opening the collecting opening of the rain gauge;
an indicator: the device is fixed on the rotating shaft and comprises a first indicating sheet and a second indicating sheet;
a first proximity switch: is fixed on the fixed seat;
and a second proximity switch: is fixed on the fixed seat;
and (3) a controller: the controller is connected with the first proximity switch in a control manner, is connected with the second proximity switch in a control manner, and is connected with the driving motor in a control manner;
raindrop sensor: the raindrop sensor is fixed on the fixed seat and is connected with the controller in a control way;
a battery: is electrically connected with the controller;
when rainfall exists, the raindrop sensor transmits signals to the controller, the controller controls the driving motor to rotate positively, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the shielding cover to rotate, and when the second indicating piece touches the second proximity switch, the driving motor stops working, and the shielding cover is in an open position; when rainfall stops, the raindrop sensor transmits signals to the controller, the controller controls the driving motor to rotate reversely, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the shielding cover to rotate, and when the first indicating piece touches the first proximity switch, the driving motor stops working, and the shielding cover is positioned at the shielding position.
The beneficial effects are that: the automatic shielding device for the collecting port of the rain gauge can shield or open the collecting port of the rain gauge according to specific weather conditions. That is, when there is precipitation, the raindrop sensor will transmit the signal to the controller, the controller controls the driving motor to rotate forward, so that the driving motor drives the rotating shaft to rotate, the rotating shaft drives the shielding cover to rotate, when the second indicating sheet touches the second proximity switch, the driving motor stops working, the shielding cover is in an open position, at this time, the rain gauge collecting port is opened, and rainfall collection can be performed; when the rainfall stops, the raindrop sensor transmits signals to the controller, the controller controls the driving motor to rotate reversely, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the shielding cover to rotate, when the first indicating sheet touches the first proximity switch, the driving motor stops working, the shielding cover is positioned at a shielding position, and therefore sundries such as fallen leaves are prevented from falling into the collecting port of the rain gauge, the rain gauge is normally used in raining, and the cleaning of the collecting port of the rain gauge can be kept in rainless days.
Further, the cross section of fixing base is the U-shaped, including along the main lateral wall of left and right direction extension setting, set up the left side wall on main lateral wall left side and set up the right side wall on main lateral wall right side.
The beneficial effects are that: the fixing seat has simple structural form.
Further, the main side wall, the left side wall and the right side wall are integrally formed by plates.
The beneficial effects are that: the fixing seat is simple and convenient to manufacture.
The rotating shaft is rotatably supported on the fixing seat through the left supporting plate and the right supporting plate, the left end of the rotating shaft is arranged on the left side wall through a bearing, and the right end of the rotating shaft is arranged at intervals with the right side wall.
The beneficial effects are that: the setting length of pivot is shorter, saves pivot cost of manufacture, makes automatic shielding device satisfy more economic requirement.
Further, the first proximity switch is fixed on the inner wall surface of the main side wall, and the second proximity switch is fixed on the inner wall surface of the right side wall; the first indicating sheet and the second indicating sheet are mutually perpendicular.
The beneficial effects are that: the first proximity switch and the second proximity switch are simple in arrangement, and the arrangement of the first indicating piece and the second indicating piece is convenient.
Further, the indicator is fixed at the right end of the rotating shaft, the indicator further comprises a connecting part fixedly connected with the right end of the rotating shaft, the connecting part is in an L shape in the axial direction of the rotating shaft, the connecting part comprises a first connecting sheet and a second connecting sheet which are perpendicular to each other, the first connecting sheet is perpendicular to the first indicator, and the second connecting sheet is perpendicular to the second indicator.
The beneficial effects are that: firstly, the structural arrangement of the indicator is simple; and the second indicator is arranged between the right end and the right side wall of the rotating shaft, so that the space is saved and the indicator is also protected.
The shielding cover comprises a connecting bridge fixed on the rotating shaft, a connecting piece fixedly connected with the connecting bridge and a cover body fixedly connected with the connecting piece.
The beneficial effects are that: the setting of connecting piece has increased the height of lid, even the position of pivot is lower, also can make shelter from the lid and be in when sheltering from the position, and the lid just in time covers on the rain gauge collecting port, and the pivot position sets up lowerly, reduces the focus height of automatic shelter from the device, has guaranteed the stability of automatic cover device.
The top of left side wall is provided with supporting plane, and supporting plane forms left shielding part and right shielding part respectively in the inside and outside both sides of left side wall, the controller sets up in right shielding part below, raindrop sensor fixes at supporting plane's upper surface.
The beneficial effects are that: on the one hand, a supporting platform is provided for the raindrop sensor, and on the other hand, a shielding plate is provided for the controller by the arrangement of the supporting plane.
Drawings
FIG. 1 is a schematic view of the automatic shielding device for the collecting port of the rain gauge;
FIG. 2 is a top view of the automatic rain gauge collection port blocking device of FIG. 1;
fig. 3 is a schematic view of the indicator of the automatic shielding device for the collection port of the rain gauge of fig. 1.
Reference numerals: 1-a rain gauge; 2-an automatic shielding device; 3-fixing seats; 4-supporting plates; 5-rotating shaft; a 6-connecting bridge; 7-connecting piece; 9-a cover; 10-a supporting plane; 11-raindrop sensor; 12-main side walls; 13-right side wall; 14-a first proximity switch; 15-a second proximity switch; 16-a first connecting piece; 17-a second connecting piece; 18-a first indicator sheet; 19-a second indicator tab.
Detailed Description
The automatic shielding device for the collecting port of the rain gauge of the invention is further described in detail below with reference to the accompanying drawings and the detailed description:
as shown in fig. 1 and 2, the invention protects an automatic shielding device 2 for a collecting port of a rain gauge, wherein the automatic shielding device 2 for the collecting port of the rain gauge is arranged beside the rain gauge 1, the automatic shielding device 2 for the collecting port of the rain gauge comprises a shielding cover, and the shielding cover comprises a shielding position for shielding the collecting port of the rain gauge 1 and an opening position for opening the collecting port of the rain gauge. Therefore, when raining, the shielding cover is in an open position, and the collecting port of the rain gauge 1 is opened, so that the collecting port of the rain gauge 1 is convenient for collecting rainwater; when the rainfall stops, the shielding cover is positioned at a shielding position, the collecting opening of the rain gauge 1 is shielded, and the falling leaves and other garbage are prevented from falling into the collecting opening of the rain gauge 1, so that the collection of the rain gauge 1 to the rainwater is influenced.
Specifically, the automatic shielding device 2 of the rain gauge collecting port comprises a fixing seat 3 fixed on the ground, the cross section of the fixing seat 3 is U-shaped, the main side wall 12 extending in the left-right direction, the left side wall arranged on the left side of the main side wall 12 and the right side wall 13 arranged on the right side of the main side wall 12 are included, and the main side wall 12, the left side wall and the right side wall 13 are formed by integrally bending plates.
The outside of the left side wall of fixing base 3 is fixedly provided with driving motor (not shown in the figure), and the internal face of the main side wall 12 of fixing base 3 is fixed with backup pad 4, and backup pad 4 includes left backup pad and right backup pad, and parallel interval sets up about left backup pad and the right backup pad. The perforation that supplies pivot 5 to pass has been seted up in left branch fagging and the right branch fagging, and pivot 5 rotates through backup pad 4 to be supported on fixing base 3, and the left end of pivot 5 passes through the bearing setting on the left side wall, and driving motor is connected with pivot 5 transmission.
The rotating shaft 5 is fixedly provided with a shielding cover, and the shielding cover comprises a connecting bridge 6 fixed on the rotating shaft 5, a connecting piece 7 fixedly connected with the connecting bridge 6 and a cover body 9 fixedly connected with the connecting piece 7. In this embodiment, the connecting bridge 6 includes two connecting lugs fixed on the rotating shaft at intervals and a connecting portion fixed between the two connecting lugs, and a connecting piece 7 is fixedly arranged between the cover 9 and the connecting portion, and the connecting piece 7 is vertically arranged with the cover 9. The setting of connecting piece 7 for increase the height of lid 9 when lid 9 lid closes on the rain gauge 1 collection mouth, thereby in the high timing of rain gauge 1, through setting up connecting piece 7, can reduce automatic shielding device 2 pivot 5 height, thereby increased the stability of automatic shielding device 2. In this embodiment, the cover 9 is circular to fit the collection port of the rain gauge 1. In order to reduce the weight of the cover 9, the cover 9 is made of plastic.
A first proximity switch 14 is fixedly arranged on the main side wall 12 of the holder 3, and a second proximity switch 15 is fixedly arranged on the right side wall 13 of the main side wall 12. The right end of the rotating shaft 5 is arranged at intervals with the right side wall 13 of the fixed seat 3, an indicating piece is fixedly arranged at the right end of the rotating shaft 5, and the indicating piece is positioned in a gap between the right end of the rotating shaft and the right side wall. Specifically, as shown in fig. 3, the indicator includes a first indicator piece 18, a second indicator piece 19, and a connecting portion. The connecting portion is L-shaped in the axial direction of the rotating shaft 5, and comprises a first connecting piece 16 and a second connecting piece 17 which are perpendicular to each other, the first connecting piece is fixed at the right end of the rotating shaft, a first indicating piece 18 is fixed at one end, far away from the second connecting piece 17, of the first connecting piece 16, the first connecting piece 16 and the first indicating piece 18 are perpendicular to each other, and a second indicating piece 19 is fixed at one end, far away from the first connecting piece 16, of the second connecting piece 17 and the second indicating piece 19 are perpendicular to each other. Furthermore, the first indicator piece 18 and the second indicator piece 19 are disposed perpendicular to each other. When the rotating shaft 5 rotates, the first indicating piece 18 can be contacted with the first proximity switch 14, so that the first proximity switch generates a signal, and the second indicating piece 19 can be contacted with the second proximity switch 15, so that the second proximity switch generates a signal.
The top at the left side wall is fixed with the supporting plane 10 that the level set up, and supporting plane 10 forms left shielding part and right shielding part respectively in the inside and outside both sides of left side wall, is fixed with raindrop sensor 11 at supporting plane 10 upper surface to conveniently detect the rainfall. The driving motor is arranged below the left shielding part, so that rainfall is prevented from directly spraying on the driving motor; the controller is fixed with in the below of right shelter from the portion, and automatic shelter from device 2 still includes the battery, and the controller is connected with first proximity switch 14, second proximity switch 15, raindrop sensor 11, control motor control, and the controller is connected with the battery electricity, and for the controller power supply through the battery, control motor is connected with the battery electricity, for driving motor power supply through the battery. In this embodiment, the battery is a solar battery, and in other embodiments, the battery may be a lithium battery, a dry battery, or the like.
The automatic shielding device 2 of the rain gauge collecting port further comprises a timer, the timer is in control connection with the controller, a power supply switch is arranged between the power supply and the driving motor, the timer transmits a time signal to the controller, and the controller controls the power supply switch to start and stop. In this embodiment, when the flood season arrives (generally 5-10 months each year), the timer provides a signal for the controller to enable the controller to control the power supply switch to be closed, and the solar battery supplies power to the driving motor to enable the driving motor to be in a ready working state; when the flood prevention period is reached (generally 1-4 months and 11-12 months each year), the timer provides a signal for the controller, and the controller controls the power supply switch to be turned off so as to cut off the power supply to the driving motor, and at the moment, the cover body of the automatic shielding device 2 for the rain gauge collecting port is stably covered on the rain gauge collecting port during the flood prevention period.
In addition, still be provided with voltage monitoring devices between solar cell and the controller, when voltage monitoring devices detected that the voltage is lower, the controller can control the lid and be in the open condition, avoids in the flood season because voltage is low to lead to the lid to cover the normal monitoring that influences the rainfall on the rain gauge collection mouth.
During the period of flood season, when rainfall, raindrop sensor 11 gives the controller with signal transmission, controller control driving motor corotation, driving motor drives pivot 5 rotation, pivot 5 drives and shelters from the lid and rotate round pivot 5, when second proximity switch 15 is touched to second indicator 19, second proximity switch 15 gives the controller with signal transmission, controller control driving motor stops rotating, shelter from the lid and is in the open position this moment, and the rain gauge 1 collection mouth is opened, conveniently collects the rainfall. When the rainfall is finished, the raindrop sensor 11 transmits signals to the controller again, the controller controls the driving motor to rotate reversely, the driving motor drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the shielding cover to rotate around the rotating shaft 5, when the first indicating piece 18 touches the first proximity switch 14, the first proximity switch 14 transmits signals to the controller, the controller controls the driving motor to stop rotating, the shielding cover is at a shielding position at the moment, the collecting opening of the rain gauge 1 is shielded, sundries such as leaves are prevented from falling into the collecting opening of the rain gauge 1, and accordingly the collecting opening is influenced to collect the rainfall.
The automatic shielding device 2 for the collecting port of the rain gauge can automatically open and close the collecting port of the rain gauge 1 according to specific weather conditions (mainly including rainfall and no rainfall), not only ensures that the rain gauge 1 normally collects rain when rainfall occurs, but also can cover the collecting port of the rain gauge 1 when no rainfall occurs, thereby ensuring the cleaning of the collecting port of the rain gauge 1.
At present, the rain gauge 1 is fixed on a mounting platform and fixed at a rainfall monitoring point through a fixing platform, and when the automatic shielding device 2 for the rain gauge collecting port is additionally arranged beside each rain gauge 1, the automatic shielding device 2 for the rain gauge collecting port is only required to be fixed on the mounting platform and positioned beside the rain gauge 1, so that the original mounting mode of the rain gauge 1 is not changed, and the automatic shielding device 2 for the rain gauge collecting port is convenient to mount. In addition, the solar panel is also directly fixed on the mounting platform.
In the above embodiment, the cross section of the fixing base is U-shaped, and includes a main sidewall extending in the left-right direction, a left sidewall disposed on the left side of the main sidewall, and a right sidewall disposed on the right side of the main sidewall; in other embodiments, the fixing base may further include a base body and an ear plate fixed on the base body, and the rotating shaft is rotatably supported on the ear plate.
In the above embodiment, the main side wall, the left side wall and the right side wall are integrally formed by plates; in other embodiments, the main sidewall, the left sidewall, and the right sidewall may also be detachably connected by bolts.
In the above embodiment, the rotating shaft is rotatably supported on the fixing seat through the left supporting plate and the right supporting plate, the left end of the rotating shaft is arranged on the left side wall through a bearing, and the right end of the rotating shaft is arranged at intervals with the right side wall; in other embodiments, the left support plate and the right support plate may not be disposed, and at this time, the left end of the rotating shaft is disposed on the left side wall through a bearing, and the right end of the rotating shaft is disposed on the right side wall through a bearing.
In the above embodiment, the first proximity switch is fixed on the inner wall surface of the main side wall, and the second proximity switch is fixed on the inner wall surface of the right side wall; the first indicating sheet and the second indicating sheet are mutually perpendicular; in other embodiments, the first proximity switch is fixed on the inner wall surface of the main sidewall, the second switch is fixed on the inner wall surface of the right sidewall, and the first indicator and the second indicator may be at any angle.
In the above embodiment, the indicating piece is fixed at the right end of the rotating shaft, the indicating piece further includes a connecting portion fixedly connected with the right end of the rotating shaft, the connecting portion is L-shaped in the axial direction of the rotating shaft, the connecting portion includes a first connecting piece and a second connecting piece which are perpendicular to each other, the first connecting piece is perpendicular to the first indicating piece, and the second connecting piece is perpendicular to the second indicating piece; in other embodiments, the indicator may further include only a first indicator and a second indicator fixed on the rotating shaft, where the first indicator extends along a radial direction of the rotating shaft, the second indicator also extends along a radial direction of the rotating shaft, and the first indicator and the second indicator are staggered in an axial direction of the rotating shaft.
In the above embodiment, the shielding cover includes a connection bridge fixed on the rotating shaft, a connection member fixedly connected with the connection bridge, and a cover body fixedly connected with the connection member; in other embodiments, the connecting bridge may not be provided, the connecting member is directly fixedly connected with the rotating shaft, and the cover body is fixedly connected with the connecting member.
In the above embodiment, a supporting plane is arranged at the top of the left side wall, a left shielding part and a right shielding part are respectively formed on the inner side and the outer side of the left side wall by the supporting plane, the controller is arranged below the right shielding part, and the raindrop sensor is fixed on the upper surface of the supporting plane; in other embodiments, the supporting plane may not be set, at this time, the raindrop sensor may be directly fixed at the top of the fixing base, and the controller is externally provided with a protective shell, which prevents rainwater from entering, and the protective shell is fixed on the fixing base.
Claims (4)
1. Automatic shielding device of mouth is collected to rain gauge, characterized by includes:
the fixing base is as follows: the fixed seat is fixed on the ground and is used for being arranged beside the rain gauge;
and (3) a driving motor: is fixed on the fixed seat;
and (2) rotating shaft: the driving motor is in transmission connection with the rotating shaft;
shielding cover: the shielding cover comprises a shielding position for shielding the collecting opening of the rain gauge and an opening position for opening the collecting opening of the rain gauge;
an indicator: the device is fixed on the rotating shaft and comprises a first indicating sheet and a second indicating sheet;
a first proximity switch: is fixed on the fixed seat;
and a second proximity switch: is fixed on the fixed seat;
and (3) a controller: the controller is connected with the first proximity switch in a control manner, is connected with the second proximity switch in a control manner, and is connected with the driving motor in a control manner;
raindrop sensor: the raindrop sensor is fixed on the fixed seat and is connected with the controller in a control way;
a battery: is electrically connected with the controller;
when rainfall exists, the raindrop sensor transmits signals to the controller, the controller controls the driving motor to rotate positively, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the shielding cover to rotate, and when the second indicating piece touches the second proximity switch, the driving motor stops working, and the shielding cover is in an open position; when rainfall stops, the raindrop sensor transmits a signal to the controller, the controller controls the driving motor to rotate reversely, the driving motor drives the rotating shaft to rotate, the rotating shaft drives the shielding cover to rotate, and when the first indicating piece touches the first proximity switch, the driving motor stops working, and the shielding cover is positioned at a shielding position;
the cross section of the fixing seat is U-shaped and comprises a main side wall, a left side wall and a right side wall, wherein the main side wall extends in the left-right direction;
the main side wall is arranged close to the rain gauge, and the U-shaped structure opening of the fixing seat is arranged away from the rain gauge;
the rotating shaft is rotatably supported on the fixed seat through a left supporting plate and a right supporting plate, the left end of the rotating shaft is arranged on the left side wall through a bearing, and the right end of the rotating shaft is arranged at intervals with the right side wall;
the first proximity switch is fixed on the inner wall surface of the main side wall, and the second proximity switch is fixed on the inner wall surface of the right side wall; the first indicating sheet and the second indicating sheet are mutually perpendicular;
the indicating piece is fixed at the right end of the rotating shaft, the indicating piece further comprises a connecting part fixedly connected with the right end of the rotating shaft, the connecting part is L-shaped in the axial direction of the rotating shaft, and the connecting part comprises a first connecting sheet and a second connecting sheet which are mutually perpendicular;
the right-hand member at the pivot is fixed to first connecting piece, and first connecting piece and first indicating piece mutually perpendicular setting are kept away from to first indicating piece fixed one end of keeping away from the second connecting piece at first connecting piece, and the second indicating piece is fixed one end of keeping away from first connecting piece at the second connecting piece and second indicating piece mutually perpendicular setting, and first indicating piece and second indicating piece mutually perpendicular setting.
2. The automatic shielding device for a collection port of a rain gauge according to claim 1, wherein the main side wall, the left side wall and the right side wall are integrally formed by plates.
3. The automatic shielding device for a collection port of a rain gauge according to claim 1 or 2, wherein the shielding cover comprises a connecting bridge fixed on the rotating shaft, a connecting piece fixedly connected with the connecting bridge, and a cover body fixedly connected with the connecting piece.
4. The automatic shielding device for the collection port of the rain gauge according to claim 2, wherein a supporting plane is arranged at the top of the left side wall, a left shielding part and a right shielding part are respectively formed on the inner side and the outer side of the left side wall by the supporting plane, the controller is arranged below the right shielding part, and the raindrop sensor is fixed on the upper surface of the supporting plane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011509534.9A CN112526643B (en) | 2020-12-19 | 2020-12-19 | Automatic shielding device for collecting port of rain gauge |
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| CN202011509534.9A CN112526643B (en) | 2020-12-19 | 2020-12-19 | Automatic shielding device for collecting port of rain gauge |
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