CN206804892U - Udometric water amount detection device and Ultrasonic Rain Gauge - Google Patents
Udometric water amount detection device and Ultrasonic Rain Gauge Download PDFInfo
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- CN206804892U CN206804892U CN201720243223.XU CN201720243223U CN206804892U CN 206804892 U CN206804892 U CN 206804892U CN 201720243223 U CN201720243223 U CN 201720243223U CN 206804892 U CN206804892 U CN 206804892U
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- detection device
- amount detection
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- water amount
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Abstract
This disclosure relates to a kind of udometric water amount detection device and Ultrasonic Rain Gauge, wherein water amount detection device includes water storage container (21) and the ultrasonic sensor vertically stretched at the top of the water storage container (21), beam wave structure is provided with the water amount detection device, so that the ultrasonic sensor receives the back wave from underface.Beam wave structure causes ultrasonic sensor to receive the liquid level back wave from underface substantially, so as to greatly avoid the ultrasonic wave that sensor receives the side wall reflection for example from water storage container, improves the accuracy of measurement result.
Description
Technical field
Precipitation detection is the utility model is related to, in particular it relates to a kind of udometric water amount detection device and ultrasonic wave
Rainfall gauge.
Background technology
Rainfall gauge is the instrument that a kind of weather monitoring and hydrologic monitoring are used for measuring the precipitation in somewhere in a period of time,
Most rainfall gauge is all using millimeter as units of measurement, and sometimes measurement result also using inch or centimetre can be used as unit.
It common are siphon rainfall recorder, weighing type rain gauge, tipping-bucket rain-gauge, solid rain-accumulating gauge, simple rainfall gauge, numeral
Rainfall gauge etc., and the frequency observed can then change according to different demands.Existed using the rainfall gauge of ultrasonic sensor
The problem of clever stability difference, ultrasonic sensor readily receive the ultrasonic signal of the liquid level reflection from incline direction, led
Cause measurement result inaccurate.
Utility model content
The purpose of the disclosure is to provide one kind and is used for udometric water amount detection device and uses the water amount detection device
Ultrasonic Rain Gauge, with solve currently used tipping-bucket rain-gauge and other rainfall gauges big rainfall, minute rainfall with
And the problem of accumulative precipitation measures inaccuracy, and error is larger.
To achieve these goals, the disclosure provides a kind of udometric water amount detection device, including water storage container and perpendicular
The ultrasonic sensor directly stretched at the top of the water storage container, beam wave structure is provided with the water amount detection device, with
The ultrasonic sensor is set to receive the back wave from underface.
Alternatively, the ultrasonic sensor includes sensor body, and the beam wave structure includes being fixed on the sensing
The Shu Boguan of device body front end, the Shu Boguan are formed as hollow cylinder structure, and the aperture of the hollow cylinder is less than the biography
The aperture of the front end of sensor body.
Alternatively, the front end of the Shu Boguan is formed with inclined groove.
Alternatively, the beam wave structure includes the ultrasonic wave absorber coatings for being fitted in the inwall of the water storage container.
Alternatively, the water amount detection device also includes the water inlet pipe and drainpipe connected with the water storage container, described
The top of water inlet pipe is connected to the udometric water feed apparatus, and the lower tilt of the water inlet pipe is connected to the water storage container
Bottom.
Alternatively, the first magnetic valve is provided with the water inlet pipe, second solenoid valve is provided with the drainpipe, it is described
First magnetic valve is normally open type magnetic valve, and the second solenoid valve is normally closed solenoid valve.
Alternatively, exhaust structure is additionally provided with the water inlet pipe, the exhaust structure is located at first magnetic valve
Lower section.
Alternatively, the exhaust structure is triple valve, the joint and air communication of the triple valve, another two joint
It is connected respectively on the water inlet pipe.
Alternatively, the water amount detection device also includes the overflow pipe connected with the water storage container, the overflow pipe
Top is connected to the top of the water storage container, and the bottom of the overflow pipe is in communication with the outside.
According to the second of the disclosure aspect, there is provided a kind of Ultrasonic Rain Gauge, the rainfall gauge include above-described
Udometric water amount detection device.
Pass through above-mentioned technical proposal, increases beam wave structure on ultrasonic sensor, and beam wave structure causes supersonic sensing
Device can only receive the liquid level back wave from underface substantially, for example hold so as to greatly avoid sensor and receive from water storage
The ultrasonic wave of the side wall reflection of device, improve the accuracy of measurement result.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is the structural representation according to the Ultrasonic Rain Gauge of an embodiment of the disclosure；
Fig. 2 is the structure schematic diagram of udometric water feed apparatus in embodiment shown in Fig. 1；
Fig. 3 is the structure of udometric water amount detection device in embodiment shown in Fig. 1 with simplified schematic diagram.
Description of reference numerals
The funnel of 11 shell 12 first
The screen cloth of 13 second funnel 14
The cover plate of 15 filter 16
The sensor body of 21 water storage container 22
The water inlet pipe of 23 beam wave duct 24
The overflow pipe of 25 drainpipe 26
The second solenoid valve of 27 first magnetic valve 28
The base of 29 triple valve 30
The connecting rod of 40 supporting plate 50
The control system of 60 foundation bolt 70
211 ultrasonic wave absorbed layers
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
In the disclosure, in the case where not making opposite explanation, the noun of locality such as " upper and lower " used is existed for rainfall gauge
It is upper and lower under normal operating condition.In addition, term " first ", " second " in the disclosure merely to one key element of difference and
Another key element, without succession and importance.
As shown in figure 1, the rainfall gauge that the disclosure provides includes water feed apparatus, water amount detection device.Wherein water feed apparatus bag
Sharp-crested influent hopper directed downwardly is included, water amount detection device includes water storage container 21 and liquid level sensor.Influent hopper collects rain
Water can simultaneously be drained rainwater in water storage container 21 by water inlet pipe 24；Liquid level sensor can detect water storage container 21 in real time
Liquid level, water storage container 21 is also associated with drainpipe 25, to discharge rainwater after rainfall detection.
As shown in figure 1, the rainfall gauge that the disclosure provides is integrally formed into cylindrical cavity structure, a cylindrical shell
11 peripheries for being set in rainfall gauge main part form above-mentioned cavity, and each part is firmly placed in the cavity.Specifically,
Include base 30 in shell 11；Horizontal positioned supporting plate 40 above base 30, the top of supporting plate 40 are provided with above-mentioned
Water storage container 21 and control system 70, wherein control system 70 electrically connects with liquid level sensor, for receiving water storage container
Liquid level information in 21 simultaneously can outwardly convey rainfall signal in real time；Influent hopper is located at the top of cavity；Water inlet pipe 24
Upper end is connected to the bottom of influent hopper, and lower end is connected to water storage container 21；The upper end of drainpipe 25 is connected to water storage container 21
Bottom, lower end turns on extraneous, can be with faster speed draining, and discharges thorough.So, rainfall gauge is generally formed into
Three sections of vertical direction, epimere are the part with extraneous UNICOM of influent hopper, stage casing be located at influent hopper and supporting plate 40 it
Between, for placing the main elements such as water storage container 21, control system 70 and water inlet pipe 24, hypomere is located at supporting plate 40 and base
Between 30, for placing the grade part of drainpipe 25.
Need exist for illustrating, in the disclosure, the top and bottom of water storage container 21 refer to the top of water storage container 21
Face and bottom surface, the upper side and lower side that its side wall is referred to bottom on the top of water storage container 21.
The concrete structure of each component in present embodiment is introduced below in conjunction with accompanying drawing.
Base 30 in present embodiment can vacantly be arranged on pedestal by circumferentially spaced multiple support components
Top, wherein pedestal can be horizontal support or cemented platform etc..So, the lower end of drainpipe 25 can pass through base 30 simultaneously
The external world is discharged to from the space of the lower section of base 30, and is unlikely to increase integrally-built radial dimension.Above-mentioned support component can
Including foundation bolt 60 etc., can not only make base 30 stably hanging, additionally it is possible to the height of base 30 is adaptively adjusted,
Foundation bolt 60 can be distributed on the circumference of the bottom of base 30.
Supporting plate 40 in present embodiment can be fixed between base 30 and influent hopper by connecting rod 50, specifically
Ground, supporting plate 40 can be set in connecting rod 50 first and be fixedly connected with connecting rod 50, the both ends difference of connecting rod 50
Support between base 30 and influent hopper, connecting rod 50 can be the multiple of circumferential uniform intervals setting；Or connecting rod 50
The head rod being supported between base 30 and supporting plate 40 can be divided into, and be supported on influent hopper and supporting plate 40 it
Between the second connecting rod, head rod, the second connecting rod and supporting plate 40 can be made separately to dismount, the disclosure pair
The setting form of connecting rod is not specifically limited.The setting of supporting plate 40 can cause each part is firm to set, and due to branch
Udometric cavity is divided into two parts to place different parts respectively by fagging 40, cabling between all parts etc. (such as
Water pipe, electric wire) it will not influence each other.
Further, the top of supporting plate 40 can be provided with level meter (not shown), and operating personnel can pass through sight
Level meter is examined to ensure the keep level of supporting plate 40, and then avoids the obliquity effects rainfall detection result of water storage container 21.It is horizontal
Instrument can be simple water bubble-type level gauge, cost-effective.
Water storage container 21 in present embodiment is fixed in supporting plate 40, and the lower end of water inlet pipe 24 may be coupled to water storage
The bottom of container 21, so, in water inlet, the liquid level of water storage container 21 will not fluctuate substantially, not interfere with the precision of measurement.This
Outside, the lower end of water inlet pipe 24 can tilt the bottom for being connected to water storage container 21, thus in water inlet pipe 24 will not water, measurement effect
Fruit is more accurate.The top of water storage container 21 is also provided with overflow pipe 26, and one end of the overflow pipe 26 is connected to water storage container
21 top, the other end are in communication with the outside, to avoid the too high function of influenceing miscellaneous part of liquid level in water storage container 21.With
Similarly, overflow pipe 26 can pass through base 30 and discharge water from the space of the bottom of base 30 above-mentioned drainpipe 25.In addition,
The top of water storage container 21 is connected to the upper angled of overflow pipe 26, to avoid water in overflow pipe 26.
Further, the first magnetic valve 27 is provided with water inlet pipe 24, second solenoid valve 28 is provided with drainpipe 25,
When liquid level in water storage container 21 reach a certain height, the first magnetic valve 27 can be automatically controlled and closed, second solenoid valve 28 is opened,
The rainwater collected in water storage container 21 is discharged, therefore the rainfall gauge is applied to the various rainfall models such as from light rain to extra torrential rain
The measurement enclosed.First magnetic valve 27 and second solenoid valve 28 can electrically connect with control system 70 respectively, be automatically controlled with realizing,
Structure is safe and reliable.In one embodiment, in order to reduce the frequent opening and closing of magnetic valve, the first magnetic valve 27 can be normally opened
Formula magnetic valve, it is ensured that water inlet pipe 24 turns in measurement process, and second solenoid valve 28 can be normally closed solenoid valve, it is ensured that survey
Drainpipe 25 is closed during amount, and this set is that water inlet pipe 24 should be opened as far as possible, drainpipe 25 because in measurement process
It should close as far as possible so that rainwater can be stored in water storage container 21 as much as possible.So, it is opened and closed by reducing magnetic valve
Number, the service life of magnetic valve can be greatly enhanced.
Further, exhaust structure is also provided with water inlet pipe 24, exhaust structure is located under the first magnetic valve 27
Side, exhaust structure and air communication.,, can when especially slowly entering after rainwater is entering equipment by setting exhaust structure
To avoid the gas inside the first magnetic valve 27 from forming obstruction so that the rainwater initially entered is accumulated in inside influent hopper,
So as to prevent the phenomenon that could be only flowed into when rainwater reaches a certain amount or the first magnetic valve 27 acts.Specifically, such as
Shown in Fig. 1 and Fig. 3, in one embodiment, exhaust structure can be triple valve 29, the joint and air of triple valve 29
Connection, another two joint are connected respectively on the water inlet pipe 24.Triple valve has the advantages of simple in construction, cost is low, at it
In his embodiment, exhaust structure can also be other devices, and the disclosure is not specifically limited, as long as enabling to water inlet pipe 24
It is that rainwater smoothly flows into air communication.
Liquid level sensor in present embodiment can be ultrasonic sensor, and the ultrasonic sensor is arranged on water storage appearance
The top of device 21, it can be obtained accurately by launching and receiving the ultrasonic signal reflected from liquid level towards the liquid level of water storage container 21
Liquid level information.As shown in figure 1, the front end of ultrasonic sensor is extend into water storage container 21 from top vertical, for sending out
Penetrate and receive ultrasonic signal.Further, beam wave structure is provided with water amount detection device, so that ultrasonic sensor receives
Back wave from underface, sensor is avoided to receive material information that other are capable of reflectance ultrasound ripple (such as from inclination
The liquid level in direction or the side wall from water storage container 21), influence measurement accuracy.
Further, ultrasonic sensor sensor body 22, beam wave structure can include being fixed on the sensor body
The Shu Boguan 23 of 22 front ends, Shu Boguan 23 are formed as elongated hollow cylinder structure, and the aperture of the hollow cylinder is less than sensor
The aperture of body 22, ultrasonic wave transmitting and the scope received can be reduced.I.e. ultrasonic signal is sent out from a sharp-crested towards liquid level
Penetrate, feedback signal also receives from the sharp-crested, so, as set forth above, it is possible to avoid sensor receive other can reflect it is super
The material information of sound wave, influences measurement accuracy.Further, the front end of the hollow cylinder structure could be formed with inclined cut open
Mouthful, i.e. structure shown in part A in Fig. 3, the effect of beam ripple can be played, further make the transmitting of ultrasonic signal fixed point and receive, keep away
Exempt to scatter.It should be noted that the front end of above-mentioned sensor is defined according to the use habit of sensor, specifically,
In Fig. 1, the lower section of page is the front end of sensor.
In addition, beam wave structure can include the ultrasonic wave absorbed layer 211 for being fitted in the inwall of water storage container 21.So, by
The ultrasonic wave that the side wall of water storage container 21 receives will not reflect, the precision that would not also disturb ultrasonic signal to measure.Specifically,
Ultrasonic wave absorbed layer 211 can be the silica gel piece for being fitted in the inwall of water storage container 21, or be coated in the inwall of water storage container 21
Absorber coatings, the absorption process of ultrasonic wave known to those skilled in the art, the disclosure to its concrete form not
It is limited.
Influent hopper in present embodiment can include the first funnel 12 and the second funnel 13 of mounted on top, the first leakage
Bucket 12 is fixed on above-mentioned cylindrical shell 11, and gap can be left between the first funnel 12 and the second funnel 13, and rainwater is first
First pass through the first funnel 12 and pass through the second funnel 13 again.Wherein, the hopper walls of the first funnel 12 and the second funnel 13 can be distinguished
With vertical section and tilting section.Specifically, as shown in figure 1, the top of the first funnel 12 is fixed on shell 11, the first funnel 12
Vertical hopper walls are arranged at intervals with shell 11 so that the vertical hopper walls of the second funnel 13 are inserted into the first funnel 12
With the gap between shell 11.Udometric top cover can be used as because the first funnel 12 forms to be integrated with shell 11, this
Sample, when rainwater is fallen can completely into the second funnel 13, without flow into the second funnel 13 with the gap of shell 11,
Cause the grade parts damages of control system 70, also make it that measurement effect is more accurate.
The top of shell 11 can be provided with cover plate 16, and rainfall gauge can cover cover plate 16 in shell under non-working condition
11 tops, to prevent impurity from entering, when needing to use rainfall gauge, cover plate 16 is removed, easy to operate.
Further, filter is provided with the first funnel 12, to avoid impurity from entering rainfall gauge.Filter can be with
Including following screen clothes 14, filter 15 etc..Specifically, inwall is bonded in the first funnel 12 and is generally horizontally provided with screen cloth
14, so as to avoid the impurity such as leaf from blocking water inlet pipe 24, and then measurement accuracy is influenceed, can also be inserted at the sharp-crested of the first funnel 12
Enter to have filter 15, avoid impurity from entering in water inlet pipe 24, filter 15 can be the screen pack of hollow cylindrical, the He of screen cloth 14
Filter 15 can be used cooperatively, and realize secondary filtration, and measurement data is relatively reliable.
In addition, influent hopper is divided into double-layer structure can facilitate udometric dismounting, be advantageous to overhaul of the equipments, specifically
Ground, the second funnel 13 are fixedly connected with miscellaneous part inside rainfall gauge, and the first funnel 12 is fixed on shell 11, and shell 11 is removable
It is set in the outside of the parts such as the second funnel 13, water storage container 21 with unloading, when equipment needs maintenance, it is only necessary to by the first funnel
12 take out together with shell 11, it is not necessary to destroy other structures inside the second funnel 13 and rainfall gauge.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of udometric water amount detection device, it is characterised in that including water storage container (21) and vertically from the water storage
The ultrasonic sensor stretched at the top of container (21), beam wave structure is provided with the water amount detection device, so that the ultrasound
Wave sensor receives the back wave from underface.
2. udometric water amount detection device according to claim 1, it is characterised in that the ultrasonic sensor includes
Sensor body (22), the beam wave structure includes the Shu Boguan (23) for being fixed on the sensor body (22) front end, described
Shu Boguan (23) is formed as hollow cylinder structure, and the aperture of the hollow cylinder is less than the front end of the sensor body (22)
Aperture.
3. udometric water amount detection device according to claim 2, it is characterised in that the front end of the Shu Boguan (23)
Formed with inclined groove.
4. udometric water amount detection device according to claim 1 or 2, it is characterised in that the beam wave structure includes
It is fitted in the ultrasonic wave absorber coatings (211) of the inwall of the water storage container (21).
5. udometric water amount detection device according to claim 1, it is characterised in that the water amount detection device also wraps
The water inlet pipe (24) and drainpipe (25) connected with the water storage container (21) is included, the top of the water inlet pipe (24) is connected to institute
Udometric water feed apparatus is stated, the lower tilt of the water inlet pipe (24) is connected to the bottom of the water storage container (21).
6. udometric water amount detection device according to claim 5, it is characterised in that set on the water inlet pipe (24)
There is the first magnetic valve (27), second solenoid valve (28) is provided with the drainpipe (25), first magnetic valve (27) is normal
Open solenoid valve, the second solenoid valve (28) are normally closed solenoid valve.
7. udometric water amount detection device according to claim 6, it is characterised in that also set on the water inlet pipe (24)
Exhaust structure is equipped with, the exhaust structure is located at the lower section of first magnetic valve (27).
8. udometric water amount detection device according to claim 7, it is characterised in that the exhaust structure is triple valve
(29), a joint and air communication for the triple valve (29), another two joint are connected respectively on the water inlet pipe (24).
9. udometric water amount detection device according to claim 3, it is characterised in that the water amount detection device also wraps
The overflow pipe (26) connected with the water storage container (21) is included, the top of the overflow pipe (26) is connected to the water storage container
(21) top, the bottom of the overflow pipe (26) are in communication with the outside.
10. a kind of Ultrasonic Rain Gauge, it is characterised in that including udometric according to any one of claim 1-9
Water amount detection device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243223.XU CN206804892U (en) | 2017-03-10 | 2017-03-10 | Udometric water amount detection device and Ultrasonic Rain Gauge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720243223.XU CN206804892U (en) | 2017-03-10 | 2017-03-10 | Udometric water amount detection device and Ultrasonic Rain Gauge |
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| CN206804892U true CN206804892U (en) | 2017-12-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007373A (en) * | 2019-05-05 | 2019-07-12 | 南京信息工程大学 | A kind of rain meter suitable for heavy rainfall |
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2017
- 2017-03-10 CN CN201720243223.XU patent/CN206804892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007373A (en) * | 2019-05-05 | 2019-07-12 | 南京信息工程大学 | A kind of rain meter suitable for heavy rainfall |
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