CN208953719U - A kind of integrative digit type precipitation rain fall sensor based on cantilever beam weighing measurement principle - Google Patents
A kind of integrative digit type precipitation rain fall sensor based on cantilever beam weighing measurement principle Download PDFInfo
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- CN208953719U CN208953719U CN201821841649.6U CN201821841649U CN208953719U CN 208953719 U CN208953719 U CN 208953719U CN 201821841649 U CN201821841649 U CN 201821841649U CN 208953719 U CN208953719 U CN 208953719U
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Abstract
The utility model provides a kind of integrative digit type precipitation rain fall sensor based on cantilever beam weighing measurement principle, including shell, collection rain device, storage rain device, measurement and analytical equipment, shell is cylindrical shape, collection rain device, storage rain device and measurement analysis device are located at the position of upper, middle and lower three of cylindric interior of shell, rainfall measurement and analytical equipment use cantilever beam weigh assembly and controller, pass through the rainfall evaporation compensated function built in controller, in conjunction with the water amount information of water storage device, precipitation information can be accurately reflected；It is measured the amount of rainfall by the way of weighing, can measure solid water, damage of the frost operating condition to sensor internal can be prevented.The high-resolution (0.01~0.05mm) and measurement accuracy (0.3mm/1%) for having the capacitive sensor that can match in excellence or beauty, have stronger resistance to dirt and pollution discharge capability, time calibration is no longer needed to after factory, sensor automatic zero set, without adding vaporization prevention oil, it is more suitable for the unmanned automatic measurement in field.
Description
Technical field
The utility model belongs to rainfall monitoring field, and in particular to a kind of one based on cantilever beam weighing measurement principle
Change digital precipitation rain fall sensor.
Background technique
In existing rainfall monitoring technology, most of place uses tipping bucket rain gauge, has a small part local
Using siphon rainfall recorder or capacitance-grid type precipitation rain fall sensor, there are also the manual record equipment that some places use rain trap mode
Carry out rainfall monitoring.Although tipping-bucket rain-gauge structure is simple, cheap, it is not to the response of different rainfall intensities
Linear, than big, and after the use of long-time field, sensitivity can shift accumulated error, increase measurement error, Er Qieran
Sundries, the rainfall silt on boundary etc. will also result in internal tipping bucket change of sensitivity, or even obstruction tipping bucket, cause measurement result invalid.
In addition, the resolution ratio of tipping bucket rain gauge is lower, it is not suitable for sinking rainfall occasion, the usually resolution of 0.5~0.2mm
Rate, if the tipping bucket rain gauge of the resolution ratio using 0.1mm, not only price is higher, and environment resistant pollution capacity also can
What is become is worse.Finally, tipping-bucket rain-gauge is unable to measure solid precipitation.Siphon rainfall recorder measurement accuracy is relatively high, reachable
The resolution ratio of 0.1mm, but its siphon pipe be easy obstruction, frost after be easy to happen failure, safeguard it is also more complicated, and price compared with
Height is not suitable for civilian a wide range of popularization.Capacitance-grid type is similar with hydrocone type basic structure, and only metering method is different, although it is surveyed
Resolution ratio is measured up to 0.01mm, but is haveed the shortcomings that as hydrocone type.Using the manual record equipment of rain trap, although precision
Guaranteed, measurement method is the most original, also the most accurate, but cannot achieve field unattended, can not automation remote
Measurement, limitation are very big.
Accordingly, it is desirable to provide a kind of be directed to the insufficient improved technology scheme of the above-mentioned prior art.
Utility model content
The purpose of this utility model is to provide a kind of integrative digit type rainfall based on cantilever beam weighing measurement principle
Sensor, small at least to solve the existing precipitation rain fall sensor scope of application, the requirement to measurement environment is high, and maintenance cost is high to ask
Topic.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of integrative digit type precipitation rain fall sensor based on cantilever beam weighing measurement principle, the integrative digit type rain
Quantity sensor includes:
Shell, the shell are cylindrical shape, and the bottom of the shell is provided with mounting hole, are convenient for the integrated digital
Formula precipitation rain fall sensor is fixed on supporting body；
Collect rain device, for the rain device that integrates as funnel-form, the collection rain device is located at the inner upper end of the shell, is used for
Collect precipitation；
Store up rain device, the lower section of the storage rain device portion of the being located in the shell collection rain device, for receiving collection rain device
The precipitation of collection；The storage rain device includes water receiver and water storage electric-controlled ball valve, and the water receiver is the funnel-form of opening upwards,
Convenient for receiving the precipitation that collection rain device is collected, the water storage electric-controlled ball valve is located at the tubulose position of the water receiver, for controlling
The discharge of liquid inside water receiver；
Measurement and analytical equipment, the measurement are located at the lower part of the inside storage rain device of the shell with analytical equipment, use
In the weighing and calculating to the water in water receiver, and control the opening and closing of the water storage electric-controlled ball valve；The measurement and analysis system packet
Include cantilever beam weigh assembly and controller；Cantilever beam weigh assembly one end and the tubulose position lower part of the water receiver connect
It connects, the other end and cage connection；The controller is located in the shell portion, the controller and the cantilever beam weigh assembly
Connection, the data for measuring the cantilever beam weigh assembly are handled, are shown.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the collection rain device
Including rain trap and filter, the rain trap is funnel-form, and for collecting precipitation, the filter is located at the rain trap
Funnel exit, for filtering the precipitation of rain trap collection.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the collection rain device
It further include level meter, the level meter is located at the top of the filter.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the rain trap with
It is closely connected between the shell, junction closing, the upper upper edge for being higher than the shell along height of the rain trap, the two exists
Junction forms cutting edge, and the cutting edge high point is the upper edge of the rain trap, and the low spot of the cutting edge is the upper edge of the shell.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the shell are not
Become rusty steel cylinder.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the cantilever beam claim
Recombination part include it is multiple, be separately connected the tubulose position lower part of water receiver, multiple cantilever beam weigh assemblies and the control
Device connection.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the water storage are automatically controlled
Ball valve is sealing structure, can be with water proof and dust proof.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the peace of the shell
Dress is provided with horizontal adjusting bolt in hole, for adjusting the level on edge on shell.
Integrative digit type precipitation rain fall sensor as described above based on cantilever beam weighing measurement principle, the cantilever beam claim
Recombination part is provided with antioverloading jackscrew in measuring head lower part, and the antioverloading jackscrew is mounted on the bottom of the shell, and upwards
The bottom for stretching out the shell, positioned at the lower section of cantilever beam weigh assembly measurement end.
Compared with the immediate prior art, the technical solution that the utility model supplies has following excellent effect:
The utility model uses the principle of Weighing type, collects precipitation by rain trap, by filtering, is stored in water receiver,
It is measured using cantilever beam weigh assembly, along with the evaporation calibration module built in controller, rapidly by the accurate table of precipitation
It shows and；The utility model is measured the amount of rainfall by the way of weighing, can measure solid water, and frost operating condition can be prevented to sensor
Internal damage.Have the high-resolution and measurement accuracy of the capacitive sensor that can match in excellence or beauty, is much better than tipping bucket type in measurement parameter
Substantially comparable price is kept with it under the premise of sensor, cost performance surmounts tipping bucket type.Have than other sensors stronger
Resistance to dirt and pollution discharge capability no longer need to time calibration after factory, sensor automatic zero set has evaporation compensated, without adding anti-steaming
Hair oil is more suitable for the unmanned automatic measurement in field.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the integrative digit type rainfall based on cantilever beam weighing measurement principle of the utility model specific embodiment 1
Sensor structure schematic diagram；
Fig. 2 is the integrative digit type rainfall based on cantilever beam weighing measurement principle of the utility model specific embodiment 2
Sensor structure schematic diagram.
In figure: 1, shell；2, cutting edge；3, rain trap；4, filter；5, water receiver；6, water storage electric-controlled ball valve；7, cantilever beam
Weigh assembly；8, controller；9, antioverloading jackscrew；10, horizontal adjusting bolt；11, collect rain electric-controlled ball valve.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as the limitation to utility model.Term used in the utility model " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection；It can be directly connected, the indirect phase of intermediate member can also be passed through
Even, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
Embodiment according to the present utility model, as shown in Figure 1, being the integrated digital based on cantilever beam weighing measurement principle
Formula precipitation rain fall sensor, the integrative digit type precipitation rain fall sensor include:
Shell 1, shell 1 are cylindrical shape, and the bottom of shell 1 is provided with mounting hole, convenient for passing integrative digit type rainfall
Sensor is fixed on supporting body；In the embodiments of the present invention, shell 1 is stainless steel cylinder, can be born prolonged wet
Moisten environment without corroding；Horizontal adjusting bolt 10 is provided in the mounting hole of shell 1, for adjusting the level on edge on shell 1.
Collect rain device, integrates rain device as funnel-form, collection rain device is located at the inner upper end of shell 1, for collecting precipitation；Collection
Rain device includes rain trap 3 and filter 4, and rain trap 3 is funnel-form, tight between rain trap 3 and shell 1 for collecting precipitation
Close connection, junction closing, the upper upper edge for being higher than shell 1 along height of rain trap 3, the two form cutting edge 2, cutting edge in junction
2 high points are the upper edge of rain trap 3, and the low spot of cutting edge 2 is the upper edge of shell 1, and forming cutting edge 2 is to collect fixed-area for convenience
Precipitation；Filter 4 is located at the funnel exit of rain trap 3, for filtering the precipitation of the collection of rain trap 3, water purification is made to flow to storage
It in hydrophone 5, stays in impurity in rain trap 3, prevents impurity quality from having an impact to measurement result.Collecting rain device further includes level
Instrument, level meter are located at the top of filter 4, when installing entire integrative digit type precipitation rain fall sensor, observe gas in level meter
The position of bubble adjusts horizontal adjusting bolt 10, until level meter shows horizontal, entire integrative digit type precipitation rain fall sensor installation
In place.It is integrated using three components such as cutting edge 2,3 funnel of rain trap and stainless steel outer cylinder in the embodiments of the present invention
The shell 1 of polishing treatment is welded, the weather-proof coating of cool white can reduce movable part quantity, while improving sealing performance in this way,
Reduce evaporation capacity.
Rain device is stored up, storage rain device is located at the lower section for collecting rain device inside shell 1, the drop collected for receiving collection rain device
Water；Storage rain device includes water receiver 5 and water storage electric-controlled ball valve 6, and water receiver 5 is the funnel-form of opening upwards, convenient for receiving collection rain
The precipitation that device is collected, water storage electric-controlled ball valve 6 is located at the tubulose position of water receiver 5, for controlling the row of 5 the inside precipitation of water receiver
It puts；Water storage electric-controlled ball valve 6 is sealing structure, can be seen in the embodiments of the present invention with water proof and dust proof, water storage electric-controlled ball valve
6 are sealed using polytetrafluoro, and waterproofness is fine, it is ensured that normal operation is charged in rainwater.Water storage electric-controlled ball valve 6 and water receiver
5 integrations are assembled, are fixed on the top of cantilever beam weigh assembly 7 together, by removing automatically after timing drainage or draining of transfiniting
The mode of cantilever beam assembly zero point realizes non-calibrating after factory, guarantees measurement accuracy.Ball valve only beyond after certain water-holding quantity
Switch drain operation is carried out, ball valve frequency of use is reduced, improves service life.And power-off power on again after default carry out closing behaviour
Make, measurement caused by powering off suddenly after preventing ball valve from opening is invalid.
Measurement and analytical equipment, measurement is located at the lower part of the inside storage rain device of shell 1 with analytical equipment, for water storage
The weighing and calculating of water in device 5, and control the opening and closing of water storage electric-controlled ball valve 6；Make the row of water storage electric-controlled ball valve 6 by controller 8
Water mode is divided into daily right place draining and automatic emergency draining of transfiniting.Measurement and analysis system include cantilever beam weigh assembly
7 and controller 8；7 one end of cantilever beam weigh assembly is connect with the tubulose position lower part of water receiver 5, and the other end is connect with shell 1；
Controller 8 is located inside shell 1, and controller 8 is connect with cantilever beam weigh assembly 7, for measure cantilever beam weigh assembly 7
Data are handled, and are shown by the display screen of controller 8.Cantilever beam weigh assembly 7 is provided with 2, is separately connected
At left and right sides of the tubulose position lower part of water receiver 5, multiple cantilever beam weigh assemblies 7 are connect with controller 8.In the utility model
In embodiment, controller 8 uses single-chip microcontroller, and controller 8 has evaporation compensated calibration function, can be carried out according to the water of weighing
Correct water is obtained after evaporation supplement calibration, and then can accurately count rainfall.In measurement process, using to certain
Multiple time points in period carry out rainfall information sampling, reject to Outliers, reasonable data are stored,
The mean value for calculating reasonable value, to obtain the rainfall of the period；The process realizes this digital precipitation rain fall sensor pair
Filtering is interfered caused by electronic surveying fluctuation, equipment vibration and rain insensitive device, smoothing processing rainfall data are truer to obtain
Result.
Cantilever beam weigh assembly 7 is provided with antioverloading jackscrew 9 in measuring head lower part, and antioverloading jackscrew 9 is mounted on shell 1
Bottom, and the bottom of shell 1 is stretched out upwards, positioned at the lower section of 7 measurement end of cantilever beam weigh assembly.It prevents transportational process or makes
The weighing of the cantilever beam caused by breaking down in the process is more than reasonable weighing range and causes the permanent of cantilever beam weigh assembly 7
Damage.
The integrative digit type precipitation rain fall sensor of the present embodiment collects rainwater at work, by rain trap 3, and passes through
Filter 4 filters out impurity, and water receiver 5 receives the filtered moisture of rain trap 3, and water storage electric-controlled ball valve 6 is in close state, cantilever
Beam weigh assembly 7 is timed circulation measurement, and by data transfer to controller 8, controller 8 divides measurement data
Analysis, after the rainfall in water collector is more than the amount of setting, controller 8 controls water storage electric-controlled ball valve 6 and opens, and is vented in water collector
Water, controller 8 execute the clear operation of water collector rainfall, close water storage electric-controlled ball valve 6, continue to measure.The utility model is adopted
It is measured the amount of rainfall with the mode of weighing, can measure solid water, damage of the frost operating condition to sensor internal can be prevented.Resolution ratio can
Reach 0.01~0.05mm, measurement accuracy 0.3mm/1%, measurement accuracy and resolution ratio are suitable with capacitive sensor, remote excellent
In tipping bucket type sensor, cost and tipping bucket type sensor are essentially identical.
Embodiment 2
The integrative digit type precipitation rain fall sensor being illustrated in figure 2 in the present embodiment, collection of the present apparatus in 4 lower part of filter
3 pipe end of rain device adds collection rain electric-controlled ball valve 11, by configuring double ball valves, may be implemented to realize rain trap 3 intake controllably with
The draining of water receiver 5 is controllable, the measurement error in drainage procedure while intake and then generated is prevented, by collecting rain electric-controlled ball valve 11
Setting, further increase measurement accuracy.Other embodiments are same as Example 1, and details are not described herein.
In conclusion the utility model uses the principle of Weighing type, precipitation is collected by rain trap, by filtering, is saved
It in water receiver, is measured using cantilever beam weigh assembly, along with the evaporation calibration module built in controller, rapidly by precipitation
Amount Precise Representation comes out；The utility model is measured the amount of rainfall by the way of weighing, can measure solid water, can prevent frost operating condition
Damage to sensor internal.Have the high-resolution and measurement accuracy of the capacitive sensor that can match in excellence or beauty, it is far excellent in measurement parameter
Substantially comparable price is kept with it under the premise of tipping bucket type sensor, cost performance surmounts tipping bucket type.Have than other sensors
Standby stronger resistance to dirt and pollution discharge capability, no longer need to time calibration after factory, sensor automatic zero set has evaporation compensated, is not necessarily to
Vaporization prevention oil is added, the unmanned automatic measurement in field is more suitable for.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of integrative digit type precipitation rain fall sensor based on cantilever beam weighing measurement principle, which is characterized in that the one
Changing digital precipitation rain fall sensor includes:
Shell, the shell are cylindrical shape, and the bottom of the shell is provided with mounting hole, are convenient for the integrative digit type rain
Quantity sensor is fixed on supporting body；
Collect rain device, the rain device that integrates is funnel-form, and the collection rain device is located at the inner upper end of the shell, for collecting
Precipitation；
Rain device is stored up, the lower section of the storage rain device portion of the being located in the shell collection rain device is collected for receiving collection rain device
Precipitation；The storage rain device includes water receiver and water storage electric-controlled ball valve, and the water receiver is the funnel-form of opening upwards, is convenient for
The precipitation that collection rain device is collected is received, the water storage electric-controlled ball valve is located at the tubulose position of the water receiver, for controlling water storage
The discharge of liquid inside device；
Measurement and analytical equipment, it is described measurement with analytical equipment be located at the shell inside storage rain device lower part, be used for pair
The weighing and calculating of water in water receiver, and control the opening and closing of the water storage electric-controlled ball valve；The measurement includes outstanding with analysis system
Arm beam weigh assembly and controller；Cantilever beam weigh assembly one end is connect with the tubulose position lower part of the water receiver, separately
One end and cage connection；The controller is located in the shell portion, and the controller is connect with the cantilever beam weigh assembly,
Data for measuring the cantilever beam weigh assembly are handled, and are shown.
2. the integrative digit type precipitation rain fall sensor as described in claim 1 based on cantilever beam weighing measurement principle, feature
It is, the collection rain device includes rain trap and filter, and the rain trap is funnel-form, for collecting precipitation, the filtering
Device is located at the funnel exit of the rain trap, for filtering the precipitation of rain trap collection.
3. the integrative digit type precipitation rain fall sensor as claimed in claim 2 based on cantilever beam weighing measurement principle, feature
It is, the collection rain device further includes level meter, and the level meter is located at the top of the filter.
4. the integrative digit type precipitation rain fall sensor as claimed in claim 2 based on cantilever beam weighing measurement principle, feature
It is, is closely connected between the rain trap and the shell, junction closing, the upper edge height of the rain trap is higher than described
The upper edge of shell, the two form cutting edge in junction, and the cutting edge high point is the upper edge of the rain trap, the low spot of the cutting edge
For the upper edge of the shell.
5. the integrative digit type precipitation rain fall sensor as described in claim 1 based on cantilever beam weighing measurement principle, feature
It is, the shell is stainless steel cylinder.
6. the integrative digit type precipitation rain fall sensor as described in claim 1 based on cantilever beam weighing measurement principle, feature
Be, the cantilever beam weigh assembly include it is multiple, be separately connected the tubulose position lower part of water receiver, multiple cantilever beams claim
Recombination part is connect with the controller.
7. the integrative digit type precipitation rain fall sensor as described in claim 1 based on cantilever beam weighing measurement principle, feature
It is, the water storage electric-controlled ball valve is sealing structure, can be with water proof and dust proof.
8. the integrative digit type precipitation rain fall sensor as described in claim 1 based on cantilever beam weighing measurement principle, feature
It is, is provided with horizontal adjusting bolt in the mounting hole of the shell, for adjusts the level on edge on shell.
9. the integrative digit type precipitation rain fall sensor as described in claim 1 based on cantilever beam weighing measurement principle, feature
It is, the cantilever beam weigh assembly is provided with antioverloading jackscrew in measuring head lower part, and the antioverloading jackscrew is mounted on described
The bottom of shell, and the bottom of the shell is stretched out upwards, positioned at the lower section of cantilever beam weigh assembly measurement end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821841649.6U CN208953719U (en) | 2018-11-09 | 2018-11-09 | A kind of integrative digit type precipitation rain fall sensor based on cantilever beam weighing measurement principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821841649.6U CN208953719U (en) | 2018-11-09 | 2018-11-09 | A kind of integrative digit type precipitation rain fall sensor based on cantilever beam weighing measurement principle |
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| CN208953719U true CN208953719U (en) | 2019-06-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114471A (en) * | 2021-11-24 | 2022-03-01 | 甘肃农业大学 | Method for measuring rainfall capacity by portable device of grassland ecological positioning observation point |
-
2018
- 2018-11-09 CN CN201821841649.6U patent/CN208953719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114471A (en) * | 2021-11-24 | 2022-03-01 | 甘肃农业大学 | Method for measuring rainfall capacity by portable device of grassland ecological positioning observation point |
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