CN208188381U - A kind of measuring device that can monitor precipitation in real time - Google Patents
A kind of measuring device that can monitor precipitation in real time Download PDFInfo
- Publication number
- CN208188381U CN208188381U CN201820796788.5U CN201820796788U CN208188381U CN 208188381 U CN208188381 U CN 208188381U CN 201820796788 U CN201820796788 U CN 201820796788U CN 208188381 U CN208188381 U CN 208188381U
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- China
- Prior art keywords
- precipitation
- controller
- water
- image acquisition
- steel ladle
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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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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses the measuring devices that one kind can monitor precipitation in real time, belong to water conservancy detection field.The measuring device includes the monitoring system and controller for collecting the steel ladle of precipitation, for monitoring water level in steel ladle；Precipitation is received by steel ladle, monitors system monitoring SEA LEVEL VARIATION, liquid level sensor sensed water level measures precipitation, communicates information to controller, automatically record precipitation；Controller control driving assembly drives image acquisition device to move along fixed upright bar, controls the position of image acquisition device, ensures image acquisition device horizontal aligument liquid level always, monitors the SEA LEVEL VARIATION in steel ladle in real time, so that monitoring personnel is read data more accurate；The data comparison read by self registering data and monitoring personnel by image acquisition device, keeps the measurement of precipitation more accurate, plays the role of dual fail-safe to the measurement of precipitation.
Description
Technical field
The utility model belongs to water conservancy detection field, and in particular to a kind of precipitation amount detecting device with real time monitoring.
Background technique
Precipitation referred in a certain period, dropped to liquid or solid-state (after melting) precipitation on ground from sky, not
The depth accumulated in the horizontal plane through evaporation, infiltration and loss.Precipitation takes a decimal as unit of mm.Precipitation intensity
Refer to the precipitation of unit time, the maximum precipitation in usually measurement 5 minutes, 10 minutes and 1 hour.
Currently, the mode that meteorological department commonly measures precipitation is measured with dedicated precipitation measuring cup.Specially
Diameter is used to connect precipitation for the flared mouthpiece that is filled with water of 20cm, water device is arranged in lower section.Precipitation be filled with water mouth flow into water device receive
After collection, it can directly pour into precipitation measuring cup and carry out the measurement of precipitation.If it is solid precipitation such as snowfall, hail etc., directly
It connects and diameter is used to accept solid-state water purification for the water-meter of 20cm, the water-meter for filling solid precipitation is then brought back into interior, makes it
Precipitation is measured by precipitation measuring cup after thawing, unit is millimeter.But manual measurement mode cannot obtain relevant drop in time
Water data information, in addition, being had few when the rainwater being collected into or snow-broth being poured into precipitation measuring cup from water device measuring
Partial precipitation loss, and then will lead to the inaccuracy of measurement result.
Utility model content
In order to overcome the drawbacks of the prior art, the utility model provide one kind can automatic measurement precipitation and measurement it is accurate
One kind can monitor the measuring device of precipitation in real time.
The specific technical solution that the utility model uses is:
A kind of measuring device that can monitor precipitation in real time, including for collecting precipitation and transparent steel ladle, being used for
Monitor the monitoring system and controller of water level in steel ladle；It is characterized by: steel ladle, sidewalls vertical is equipped with graduation mark,
The steel ladle bottom end is equipped with outlet pipe, and the outlet pipe is equipped with solenoid valve；Monitoring system, including liquid level sensor and image
Acquisition device, the liquid level sensor are located in steel ladle, and described image acquisition device includes image acquisition device and for driving
The driving assembly that motion video collector moves up and down, described image collector is towards steel ladle graduation mark direction；Driving assembly, packet
Support frame, fixing shell, fixed upright bar, adjusting gear rack, rotary shaft and the same adjustment gear being located in rotary shaft are included, it is described
Adjusting gear rack is set in fixing shell vertically, and both ends pass through the upper and lower two side wall panels of fixing shell, and the rotation axis horizontal is set to
In fixing shell, both ends are rotatable to pass through fixing shell arranged on left and right sides siding, and the adjustment gear is mutually nibbled with adjusting gear rack
It closes, the adjusting gear rack is bonded fixation with the front side of fixed upright bar, and the fixed upright bar lower end is supported on ground, the rotation
Axis one end is equipped with servo motor, and the servo motor is fixedly connected with image acquisition device；Controller has display screen, the control
The signal input part of device processed is connected with liquid level sensor and image acquisition device, and signal output end is connected with solenoid valve and servo electricity
Machine.
Be equipped with protective cover a further technical solution lies in: described image collector, the protective cover include outer housing,
Water jet and water scraping blade, the outer housing are coated on image acquisition device surface, have at the top of the outer housing for covering image
The dash board of collector camera part, the dash board lower section are equipped with transparent access panel, and the access panel is set to image vertically
The front of collector screen, the access panel are fixedly connected with outer housing front end；The water scraping blade is fixed in access panel lower end
It on the swinging axle in portion, and can be swung on access panel centered on swinging axle, described swinging axle one end is equipped with for driving water
The driving motor that scraping blade is swung；The water jet includes water tank, sparge pipe and fountain head, and the water tank is located at outer housing top
Portion, the water tank is interior to be equipped with immersible pump, and described sparge pipe one end is connect with immersible pump, and the other end passes through dash board and fountain head
It is fixedly connected, the water outlet of the fountain head is arranged towards access panel；The signal output end of the controller is connected with driving electricity
Machine and immersible pump.
A further technical solution lies in: fluorescence coating is equipped in the graduation mark on the steel ladle.
A further technical solution lies in: the steel ladle top is equipped with the heating dress for melting solid precipitation substance
It sets.
A further technical solution lies in: signal amplifier is connected between the liquid level sensor and controller.
A further technical solution lies in: the teletransmission expansion interface of the controller is connected with remote for transmitting signals to
Terminate the GPRS module of receiving unit.
A further technical solution lies in: the steel ladle, controller and monitoring system are respectively positioned in temperature control box body, described
It is external that receiving port at the top of steel ladle is located at temperature control box, and temperature sensor and temperature-adjusting device are equipped in the temperature control box body,
The signal input part of the controller is connected with temperature sensor, and signal output end is connected with temperature-adjusting device.
A further technical solution lies in: the controller is the programmable logic controller (PLC) programmed based on PLC.
The beneficial effects of the utility model are:
The measuring device includes the monitoring system and control for collecting the steel ladle of precipitation, for monitoring water level in steel ladle
Device processed；
Precipitation is received by steel ladle, monitors system monitoring SEA LEVEL VARIATION, liquid level sensor sensed water level measures precipitation
Amount, communicates information to controller, automatically records precipitation；
Controller control driving assembly drives image acquisition device to move along fixed upright bar, controls the position of image acquisition device,
It ensures image acquisition device horizontal aligument liquid level always, monitors the SEA LEVEL VARIATION in steel ladle in real time, testing staff is enable to read
Data are more accurate；
The data comparison read by self registering data and monitoring personnel by image acquisition device, makes the survey of precipitation
It measures more accurate, plays the role of dual fail-safe to the measurement of precipitation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is support frame structure diagram described in the utility model；
Fig. 3 is the schematic cross-section of A-A in Fig. 2；
Fig. 4 is the principles of the present invention schematic diagram；
Fig. 5 is protective roof structure schematic diagram described in the utility model；
In attached drawing, 2, steel ladle, 3, liquid level sensor, 4, solenoid valve, 5, signal amplifier, 6, controller, 7, image adopts
Acquisition means, 8, image acquisition device, 9, support frame, 10, temperature-adjusting device, 11, outer housing, 12, water scraping blade, 13, water tank,
14, sparge pipe, 15, fountain head, 16, dash board, 17, access panel, 18, driving motor, 19, immersible pump, 91, rotary shaft, 92, tune
Save rack gear, 93, adjustment gear, 94, fixing shell, 95, fixed upright bar, 96, servo motor, 101, temperature sensor, 102, temperature
Control cabinet.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Many details are explained in the following description in order to fully understand the utility model, but this is practical new
Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case where novel intension, therefore the utility model is not limited by the specific embodiments disclosed below.
It is embodied for example shown in Fig. 1 to Fig. 5, a kind of measuring device that can monitor precipitation in real time, including for receiving
Collect precipitation and transparent steel ladle 2, monitoring system and controller 6 for monitoring water level in steel ladle 2.
Steel ladle 2, sidewalls vertical are equipped with graduation mark, and 2 bottom end of steel ladle is equipped with outlet pipe, sets on the outlet pipe
There is solenoid valve 4, solenoid valve 4 can clear up the precipitation object fallen in time.
Monitoring system, including liquid level sensor 3 and image collecting device 7；The liquid level sensor 3 is located in steel ladle 2,
Precipitation is automatically recorded by the SEA LEVEL VARIATION in steel ladle 2；Described image acquisition device 7 includes image acquisition device 8 and uses
In the driving assembly that driving image acquisition device 8 moves up and down, described image collector 8 makes figure towards 2 graduation mark direction of steel ladle
As collector 8 can acquire the SEA LEVEL VARIATION in steel ladle 2, it is sent to controller 6, is observed by the display on controller 6,
Monitoring personnel reads precipitation.
Driving assembly, including support frame 9, fixing shell 94, fixed upright bar 95, adjusting gear rack 92, rotary shaft 91 and same
The adjustment gear 93 being located in rotary shaft 91, the adjusting gear rack 92 are set in fixing shell 94 vertically, and both ends pass through solid
Determine the upper and lower two side wall panels of shell 94, the rotary shaft 91 is horizontal to be set in fixing shell 94, and rotatable pass through in both ends is fixed
94 arranged on left and right sides siding of shell, the adjustment gear 93 are meshed with adjusting gear rack 92, the adjusting gear rack 92 and fixed upright bar
95 front side, which is bonded, to be fixed, and fixed 95 lower end of upright bar is supported on ground, and described 91 one end of rotary shaft is equipped with servo motor
96, the servo motor 96 is fixedly connected with image acquisition device 8；The rotation of servo motor 96 drives adjustment gear 93 to rotate, and adjusts
Gear 93 is moved up and down along adjusting gear rack 94, drives camera 8 mobile.
Controller 6, has display screen, and the signal input part of the controller is connected with liquid level sensor 3 and Image Acquisition
Device 8, signal output end are connected with solenoid valve 4 and servo motor 96.
The device is placed on to the place of precipitation, precipitation is dropped into steel ladle 2, is passed by the liquid level in steel ladle 2 when use
Sensor 3 in time automatically records precipitation, while liquid level sensor 3 sends signal to controller 6, and controller 6 controls image
Collector 8 moves on support frame 9 with the variation of liquid level, ensures the horizontal aligument liquid level always of image acquisition device 8, image is sent
To controller 6, precipitation on 6 display of monitoring personnel's Read Controller passes through self registering data and monitoring personnel reads
The comparison of the data taken keeps the measurement to precipitation more accurate, plays the role of dual fail-safe to the measurement of precipitation.
When the water in steel ladle 2 increases, liquid level sensor 3 sends signal to controller 6, the output letter of controller 6
Number give servo motor 96, control servo motor 96 rotate counterclockwise, drive adjustment gear 93 rotate counterclockwise, adjustment gear 93 with
Adjusting gear rack 92 engages, so that adjustment gear 93 is moved upwards along adjusting gear rack 94, image acquisition device 8 is driven to move up,
Make image acquisition device 8 and liquid level horizontal aligument always.When 2 water level of steel ladle reaches setting upper limit value, liquid level sensor 3 is inputted
Signal is to controller 6,6 output signal of controller, and control solenoid valve 4 is opened, and the water in steel ladle 2 is quickly discharged.When being filled with water
When water in bucket 2 is discharged, water level reaches preset lower limit, and control solenoid valve 4 is closed, and continues water receiving measurement, while controller 6
By subsequent precipitation continue to be added to this precipitation it is accumulative in.Liquid level sensor 3 sends signal to controller 6 at the same time,
Controller 6 outputs signal to servo motor 96, and control servo motor 96 rotates clockwise, and adjustment gear 93 is driven to turn clockwise
Dynamic, adjustment gear 93 is engaged with adjusting gear rack 92, so that adjustment gear 93 is moved downward along adjusting gear rack 94, band motion video is adopted
Storage 8 is moved down at water level settings lower limit value, continues that water level is followed to move up again, when 2 water level of steel ladle reaches again
It acts to last time draining when setting upper limit value, is repeated until precipitation terminates.After each precipitation, 6 output signal of controller, control
Solenoid valve 4 processed is opened, and water level reaches preset lower limit, and solenoid valve 4 is closed, while controller 6 controls image acquisition device 8 to moving down
It is dynamic, keep horizontal with liquid level.
Described image collector 8 is equipped with protective cover, and the protective cover includes outer housing 11, water jet and water scraping blade 12,
The outer housing 11 is coated on 8 surface of image acquisition device, has at the top of the outer housing 11 and images for shielded image collector 8
Partial dash board 16, transparent access panel 17 is equipped with below the dash board 16, and the access panel 17 is adopted set on image vertically
The front of 8 screen of storage, the access panel 17 are fixedly connected with 11 front end of outer housing, and the water scraping blade 12 is fixed on access panel 17
It on swinging axle in the middle part of lower end, and can be swung on access panel 17 centered on swinging axle, described swinging axle one end, which is equipped with, to be used
, can be effectively clean by the eliminating impurities on access panel 17 in the driving motor 18 that driving water scraping blade is swung, it is clearer to adopt
Collect the liquid level variation in steel ladle 2；The water jet includes water tank 13, sparge pipe 14 and fountain head 15, the water tank 13
Positioned at 13 top of outer housing, it is equipped with immersible pump 19 in the water tank, described 14 one end of sparge pipe is connect with immersible pump 19, another
End is fixedly connected across dash board 16 with fountain head 15, and the water outlet of the fountain head 15 is arranged towards access panel 17；The control
The signal output end of device 6 processed is connected with driving motor 18 and immersible pump 19.When in monitoring personnel's reading data, image acquisition device 8
The fogging image that shows of the unintelligible display screen that will lead on controller 6 of screen, monitoring personnel just will start control at this time
Device 6, controller 6 control immersible pump 19 and water are sprayed on access panel 17, then control driving motor 18 and rotate, drive water scraping blade 12
Rotation, it is by water scraping blade 12 that access panel 17 is clean.The effective occlusion image collector 8 of this protective cover when in use will not be by
Water pours, and increases the service life of image acquisition device 8, while collecting of can making that image acquisition device 8 is more clear is filled with water
Liquid level variation in bucket 2.
It, will be in the graduation mark on steel ladle 2 in order to be more clear 8 acquired image of image acquisition device when night use
Equipped with fluorescence coating.
2 top of steel ladle is equipped with heating device for melting solid precipitation substance, can the solid-states such as melt snow, hail
Precipitation substance, timely measures solid precipitation quantity.
Due to weather, the weak output signal of liquid level sensor 3 is prevented, cannot be accurately sent in controller 6, in liquid level
It is connected with signal amplifier 5 between sensor 3 and controller 6, the signal of liquid level sensor 3 is made accurately to be sent to controller 6.
Further, the teletransmission expansion interface of the controller 6 is connected with for transmitting signals to remote equipment
GPRS module, it can be achieved that precipitation teletransmission.Controller 6 uses accumulative precipitation and precipitation intensity group alarm mode,
Precipitation size is divided into three warning, danger and transfer magnitudes, mobile receive eventually is transmitted signals to by GPRS module in time
End or fixed receiving terminal, remind everybody to take care.
Since the operating temperature range of general electronic component is -5 DEG C to 45 DEG C or so, and certain areas winter temperature mistake
Low, summer temperature is excessively high, causes some components that will stop working, so steel ladle 2, controller 6 and monitoring system is equal
In temperature control cabinet 102, the receiving port at 2 top of steel ladle is located at outside temperature control cabinet 102, in the temperature control cabinet 102
Equipped with temperature sensor 101 and temperature-adjusting device 10, the signal input part of the controller 6 is connected with temperature sensor 101,
Its signal output end is connected with temperature-adjusting device 10.When environment temperature is not in component operating temperature range, temperature is passed
Sensor 101 issues a signal to controller 6, and controller 6 issues a signal to temperature-adjusting device 10, and temperature-adjusting device 10 adjusts temperature
The temperature in cabinet 102 is controlled, reaches temperature in component operating temperature range.
The controller 6 is the programmable logic controller (PLC) programmed based on PLC.By PLC controls reality
The automatic running for having showed equipment, ensure that equipment automatization.
The above is only the preferred embodiments of the utility model, anyone content according to the present utility model is to the utility model
A little simple modification, deformation and the equivalent replacement made each falls within the protection scope of the utility model.
Claims (8)
1. one kind can monitor the measuring device of precipitation in real time, including for collecting precipitation and transparent steel ladle (2), being used for
Monitor the monitoring system and controller (6) of steel ladle (2) interior water level；
It is characterized by:
Steel ladle (2), sidewalls vertical are equipped with graduation mark, and steel ladle (2) bottom end is equipped with outlet pipe, sets on the outlet pipe
There are solenoid valve (4)；
Monitoring system, including liquid level sensor (3) and image collecting device (7), the liquid level sensor (3) are located at steel ladle
(2) in, described image acquisition device (7) includes image acquisition device (8) and for driving image acquisition device (8) to move up and down
Driving assembly, described image collector (8) is towards steel ladle (2) graduation mark direction；
Driving assembly, including support frame (9), fixing shell (94), fixed upright bar (95), adjusting gear rack (92), rotary shaft (91)
And with the adjustment gear (93) being located on rotary shaft (91), the adjusting gear rack (92) is set to fixing shell (94) vertically
Interior, both ends pass through fixing shell (94) upper and lower two side wall panels, and the rotary shaft (91) is horizontal to be set in fixing shell (94),
Its both ends is rotatable to pass through fixing shell (94) arranged on left and right sides siding, the adjustment gear (93) and adjusting gear rack (92) phase
Engagement, the adjusting gear rack (92) are bonded fixation with the front side of fixed upright bar (95), and fixed upright bar (95) lower end is supported in
On ground, described rotary shaft (91) one end is equipped with servo motor (96), and the servo motor (96) and image acquisition device (8) are fixed
Connection；
Controller (6), has display screen, and the signal input part of the controller is connected with liquid level sensor (3) and Image Acquisition
Device (8), signal output end are connected with solenoid valve (4) and servo motor (96).
2. the measuring device that one kind according to claim 1 can monitor precipitation in real time, it is characterised in that: described image
Collector (8) is equipped with protective cover, and the protective cover includes outer housing (11), water jet and water scraping blade (12), the outer housing
(11) it is coated on image acquisition device (8) surface, is had at the top of the outer housing (11) for covering image acquisition device (8) image pickup part
The dash board (16) divided, dash board (16) lower section are equipped with transparent access panel (17), and the access panel (17) is set to vertically
The front of image acquisition device (8) screen, the access panel (17) are fixedly connected with outer housing (11) front end, the water scraping blade (12)
It is fixed on the swinging axle in the middle part of access panel (17) lower end, and can be swung on access panel (17) centered on swinging axle, institute
Swinging axle one end is stated equipped with the driving motor (18) for driving water scraping blade to swing, the water jet includes water tank (13), spray
Water pipe (14) and fountain head (15), the water tank (13) are located at the top of outer housing (11), are equipped in the water tank (13) latent
Water pump (19), described sparge pipe (14) one end are connect with immersible pump (19), and the other end passes through dash board (16) and fountain head (15)
It is fixedly connected, the water outlet of the fountain head (15) is arranged towards access panel (17)；The signal output end of the controller (6) connects
It is connected to driving motor (18) and immersible pump (19).
3. the measuring device that one kind according to claim 1 can monitor precipitation in real time, it is characterised in that: described to be filled with water
Fluorescence coating is equipped in graduation mark on bucket (2).
4. the measuring device that one kind according to claim 1 can monitor precipitation in real time, it is characterised in that: described to be filled with water
Bucket (2) top is equipped with the heating device for melting solid precipitation substance.
5. the measuring device that one kind according to claim 1 can monitor precipitation in real time, it is characterised in that: the liquid level
Signal amplifier (5) are connected between sensor (3) and controller (6).
6. the measuring device that one kind according to claim 5 can monitor precipitation in real time, it is characterised in that: the control
The teletransmission expansion interface of device (6) is connected with the GPRS module for transmitting signals to remote receiver.
7. the measuring device that one kind according to claim 1 can monitor precipitation in real time, it is characterised in that: described to be filled with water
Bucket (2), controller (6) and monitoring system are respectively positioned in temperature control cabinet (102), and the receiving port at the top of the steel ladle (2) is located at
Temperature control cabinet (102) outside, is equipped with temperature sensor (101) and temperature-adjusting device (10) in the temperature control cabinet (102), described
The signal input part of controller (6) is connected with temperature sensor (101), and signal output end is connected with temperature-adjusting device
(10)。
8. the measuring device that one kind according to claim 1 can monitor precipitation in real time, it is characterised in that: the control
Device (6) is the programmable logic controller (PLC) programmed based on PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820796788.5U CN208188381U (en) | 2018-05-27 | 2018-05-27 | A kind of measuring device that can monitor precipitation in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820796788.5U CN208188381U (en) | 2018-05-27 | 2018-05-27 | A kind of measuring device that can monitor precipitation in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208188381U true CN208188381U (en) | 2018-12-04 |
Family
ID=64427705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820796788.5U Expired - Fee Related CN208188381U (en) | 2018-05-27 | 2018-05-27 | A kind of measuring device that can monitor precipitation in real time |
Country Status (1)
| Country | Link |
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| CN (1) | CN208188381U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983730A (en) * | 2019-05-22 | 2020-11-24 | 衢州学院 | Intelligent rainfall detection equipment based on computer vision |
| JP2020197517A (en) * | 2019-06-02 | 2020-12-10 | 青島向帥广告科技有限公司 | Online statistical analysis system for rainfall and number of rainfall |
| JP2021012047A (en) * | 2019-07-04 | 2021-02-04 | 応用地質株式会社 | Ash fall amount meter |
| WO2021028609A1 (en) * | 2019-08-12 | 2021-02-18 | Vidal Torres Andres | Rain gauge with external tank |
| CN115209105A (en) * | 2022-07-08 | 2022-10-18 | 广西交科集团有限公司 | Bridge water supply and drainage intelligent supervision system |
-
2018
- 2018-05-27 CN CN201820796788.5U patent/CN208188381U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983730A (en) * | 2019-05-22 | 2020-11-24 | 衢州学院 | Intelligent rainfall detection equipment based on computer vision |
| JP2020197517A (en) * | 2019-06-02 | 2020-12-10 | 青島向帥广告科技有限公司 | Online statistical analysis system for rainfall and number of rainfall |
| JP2021012047A (en) * | 2019-07-04 | 2021-02-04 | 応用地質株式会社 | Ash fall amount meter |
| WO2021028609A1 (en) * | 2019-08-12 | 2021-02-18 | Vidal Torres Andres | Rain gauge with external tank |
| CN115209105A (en) * | 2022-07-08 | 2022-10-18 | 广西交科集团有限公司 | Bridge water supply and drainage intelligent supervision system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |