CN208026889U - Udometric calibrating instrument - Google Patents

Udometric calibrating instrument Download PDF

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Publication number
CN208026889U
CN208026889U CN201820369803.8U CN201820369803U CN208026889U CN 208026889 U CN208026889 U CN 208026889U CN 201820369803 U CN201820369803 U CN 201820369803U CN 208026889 U CN208026889 U CN 208026889U
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China
Prior art keywords
water tank
water
measured
control system
calibrating instrument
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CN201820369803.8U
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Chinese (zh)
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吴卫平
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Beijing Chuangxin Hengtong Technology Co Ltd
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Beijing Chuangxin Hengtong Technology Co Ltd
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Abstract

This disclosure relates to a kind of udometric calibrating instrument, include for holding the water tank of Simulated rainwater (1), gravity detection device (2) for detecting the water tank (1) weight, and control system (3), the water tank (1) with rainfall gauge to be measured (4) for being connected to, the control system (3) is electrically connected with the gravity detection device (2) and the rainfall gauge to be measured (4) respectively, and can include on the interaction screen of the control system (3) by parameter to be measured.Through the above technical solutions, by the weight change of Simulated rainwater in water tank, it can be scaled its corresponding volume change, calculated volume and the volume that rainfall gauge detects are compared, to judge udometric accuracy of detection.Since the development of gravimetric technology is more ripe, measurement accuracy is higher, and what rainfall gauge typically detected is bulking value, therefore, judges that udometric precision can carry out high-precision calibration to rainfall gauge by sense weight.

Description

Udometric calibrating instrument
Technical field
The utility model is related to rainfall gauge calibration to detect, and in particular, to a kind of udometric calibrating instrument.
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, Rainfall gauge can detect the bulking value of rainwater and converse corresponding millimeter value, using the index as rainwater intensity.Common There are hydrocone type, Weighing type, tipping bucket type etc.;Meteorological sensor needs annual regular inspection according to national regulation, currently, udometric regular inspection The peristaltic pump that device uses is detected, and can only carry out the substantially detection of gross rainfall, it is high-precision can not to carry out different minute raininess Degree detection.
Utility model content
Purpose of this disclosure is to provide a kind of udometric calibrating instrument, which can in different minute raininess and not High-precision detection is carried out to rainfall gauge under gross rainfall.
To achieve the goals above, the disclosure provides a kind of udometric calibrating instrument, includes for holding Simulated rainwater Water tank, gravity detection device and control system for detecting the water tank weight, the water tank are used for and rainfall gauge to be measured Connection, the control system are electrically connected with the gravity detection device and the rainfall gauge to be measured respectively, and can be by ginseng to be measured Number is shown on the interaction screen of the control system.
Optionally, the gravity detection device includes the gravity sensor being arranged in the water tank bottom.
Optionally, for the water tank for being arranged in the udometric top to be measured, the bottom of the water tank is provided with energy It is enough to extend to the udometric water pipe to be measured downward.
Optionally, flow valve and switch valve are provided on the water pipe.
Optionally, the control system is electrically connected with the flow valve and the switch valve, and passes through the interaction screen control Make the flow valve and the switch valve.
Optionally, the water pipe include be connected to the water tank bottom a plurality of vertical water pipe and with a plurality of vertical water pipe Connected horizontal water tube, the centre position of the horizontal water tube are provided with the water outlet extended towards the rainfall gauge to be measured.
Optionally, temperature sensor is provided in the water tank, the temperature sensor is electrically connected with the control system.
Optionally, the control system includes:
Receiving module, for receiving from the gravity detection device, the temperature sensor and described waiting measuring rainfall The signal of meter;
Computing module, for calculating the simulation according to the signal of the gravity detection device and the temperature sensor The calculating volume of rainwater;And
Display module, for showing the calculating volume and the udometric calibrating volume to be measured.
Optionally, liquid level sensor is provided in the water tank, the liquid level sensor is electrically connected with the control system.
Optionally, the water tank is connected to by water pump with water source.
Through the above technical solutions, by the weight change of Simulated rainwater in water tank, its corresponding volume can be scaled Variation, calculated volume and the volume that rainfall gauge detects is compared, to judge udometric accuracy of detection.Due to Gravimetric technology development is more ripe, and measurement accuracy is higher, and what rainfall gauge typically detected is bulking value, therefore, is passed through Sense weight judges that udometric precision can carry out high-precision calibration to rainfall gauge.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached 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 constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the udometric calibrating instrument in one illustrative embodiments of the disclosure.
Reference sign
1 water tank, 2 gravity detection device
3 control system, 4 rainfall gauge to be measured
5 flow valve, 6 switch valve
7 temperature sensor, 8 liquid level sensor
9 water pump, 10 vertical water pipe
11 horizontal water tube, 12 water outlet
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as "upper", "lower", "top", "bottom" are Refer to direction of each parts under normal operating condition.Specifically, it can refer to the page of Fig. 1.
As shown in Figure 1, the udometric calibrating instrument that the disclosure provides includes the water tank 1 for holding Simulated rainwater, it is used for The gravity detection device 2 and control system 3 of 1 weight of water tank are detected, water tank 1 is connected to rainfall gauge 4 to be measured, and control system 3 is divided It is not electrically connected with gravity detection device 2 and rainfall gauge to be measured 4, and control system 3 has the interaction screen that can show parameter to be measured, Parameter wherein to be measured includes following calibrating volume and calculates volume etc..When examining and determine udometric accuracy of detection, Simulated rainwater From being flowed into water tank 1 in rainfall gauge 4 to be measured, rainfall gauge 4 to be measured detects rainfall volume, is set as calibrating volume, and pass through control It includes on interaction screen that system 3 processed, which will examine and determine volume,.On the other hand, due to the loss of the Simulated rainwater in water tank 1, gravity detection Device 2 detects weight change, and calculating volume is calculated in the gravimetric value of the variation and the density of Simulated rainwater, and passes through control It includes on interaction screen that system 3, which will calculate volume,.Contrast conting volume and calibrating volume value, can treat measure rainfall meter 4 into Rower is fixed.Further, since rainfall is usually referred to by millimeter value, therefore it can be shown as calibrating volume on interaction screen and calculate volume Corresponding millimeter value, is specifically as follows minute raininess and gross rainfall.Since gravimetric technology develops more ripe, survey Accuracy of measurement is higher, and what rainfall gauge typically detected is bulking value, and the resolving power for being scaled the calibrating instrument after millimeter value is reachable 0.01mm, udometric resolving power is usually in 0.1mm, therefore, judges that udometric precision can be to rain by sense weight Gauge carries out high-precision calibration, and to which the rainfall gauge precision measure for solving different principle and structure is difficult, standard is skimble-scamble Problem.
Specifically, control system 3 may include receiving module, and gravity detection device 2 and rain to be measured are come from for receiving The signal of gauge 4;Computing module, for according to the signal of gravity detection device 2 and the density calculating simulation rain of Simulated rainwater The calculating volume of water;And display module, for showing the calibrating volume for calculating volume and rainfall gauge to be measured 4.
It is further to note that can also be equipped with the component of display calibrating volume on rainfall gauge 4 to be measured, the disclosure is treated Measure rainfall meter 4 form be not specifically limited.
Gravity detection device 2 may include the gravity sensor being arranged in 1 bottom of water tank.Since gravity sensor is in many There is universal application in field, and technology development is more mature, and the disclosure does not do specific limit to the concrete structure of gravity sensor It is fixed, select the higher model of accuracy and sensitivity in the market.The gravity sensor selected in the disclosure, which has, to be removed the peel, just Begin the functions such as calibration and mathematic interpolation.
As shown in Figure 1, in verification process, water tank 1 is arranged in the top of rainfall gauge 4 to be measured, and the bottom of water tank 1 is provided with The water pipe of rainfall gauge 4 to be measured can be extended to downward, and under gravity, 1 water can successfully be drained into and wait in water tank It measures rainfall in meter 4, influences calibration accuracy to avoid because Simulated rainwater is trapped in the positions such as water pipe.
Further, as shown in Figure 1, being provided with flow valve 5 and switch valve 6 on water pipe.By controlling switch valve 6, realize The on and off of water pipe.By controlling flow valve 5, a variety of raininess values can be simulated, calibration accuracy is improved.Specifically, pass through Adjusting to the aperture of flow valve 5, thus it is possible to vary Simulated rainwater enters the flow velocity of rainfall gauge 4 to be measured, so as to different The meter 4 that measures rainfall is treated under minute raininess to be demarcated.In addition, being provided with locking mechanism on flow valve 5 so that flow valve 5 is opened Degree no longer changes after adjusting, to ensure that verification result is accurate.Flow valve 5 and switch valve 6 can select stainless steel respectively, And normally closed pattern is used, it is only just opened by operating personnel when needing calibrating, to ensure stability.
Flow valve 5 and switch valve 6 can be electrically connected with control system 3 respectively, with opening by both the control of control system 3 It closes or aperture.Specifically, above-mentioned interaction screen control flow valve 5 and switch valve 6 can be utilized, operating personnel are in control interaction screen When can also observe the current state of flow valve 5 and switch valve 6 in time, can accomplish real-time operation.
Further, as shown in Figure 1, water pipe may include be connected to 1 bottom of water tank a plurality of vertical water pipe 10 and with this The connected horizontal water tube 11 of a plurality of vertical water pipe 10, the centre position of the horizontal water tube 11, which is provided with towards rainfall gauge 4 to be measured, prolongs The water outlet 12 stretched, i.e. horizontal water tube 11 avoid shunting shadow for that will converge from the Simulated rainwater in a plurality of vertical water pipe 10 Ring the accuracy of detection of rainfall gauge 4 to be measured.It is both provided with flow valve 5 and switch valve 6 on every vertical water pipe 10, passes through multiple flows The various combination of valve 5 and switch valve 6 can simulate a variety of raininess values, to measure calculating volume and the calibrating under different raininess values Volume, to realize the high-precision calibrating for treating the meter 4 that measures rainfall.In the embodiment shown in Fig. 1, including four vertical water pipes 10, flow valve 5 and switch valve 6 are both provided on every vertical water pipe 10, four vertical water pipes 10 converge in bottom, will simulate rain Water is drained into rainfall gauge 4 to be measured.It is further to note that horizontal water tube 11 is not the horizontal pipeline in absolute sense, with Simulated rainwater in verification process is avoided to be trapped in horizontal water tube 11, such as can be in the mistake of vertical water pipe 10 and horizontal water tube 11 Cross place setting chamfering, or make the water outlet 12 of horizontal water tube 11 towards the middle from both sides position slight inclination extend.
In addition, as shown in Figure 1, being additionally provided with temperature sensor 7 in water tank 1, temperature sensor 7 is electrically connected with control system 3 It connects, the temperature value of present day analog rainwater can be shown on interaction screen, adjustment water temperature can be at different temperatures respectively to rain to be measured Gauge 4 is demarcated.In addition, since water density at different temperatures is different, can have in control system 3 density of water with The corresponding database of temperature, after gravity detection device 2 measures gravimetric value, from the watertight transferred in database under Current Temperatures Degree, to be scaled current accurately calculating volume.
In this way, above-mentioned receiving module is additionally operable to receive the signal from temperature sensor 7;Computing module is used for according to weight The calculating volume of the signal calculating simulation rainwater of force checking device 2 and temperature sensor 7;Display module is for showing current temperature The calibrating volume of calculating volume and rainfall gauge to be measured 4 under degree.
In addition, being also provided with liquid level sensor 8 in water tank 1, liquid level sensor 8 is electrically connected with control system 3, can be with Include on interaction screen by current level.Liquid level sensor 8 such as can below will as the calibration element of the upper water of water tank 1 It mentions, liquid level sensor 8 sets the water level in water tank 1, and water level is maintained at setting by the water on the calibrating preparation stage of water tank 1 Water level.The water level in water tank 1 can be detected in real time due to liquid level sensor 8, the SEA LEVEL VARIATION in water tank 1 can also be scaled The bulking value of water, by the computing module and display module in control system 3, which can also be shown in interactive screen On, with above-mentioned calculating volume and calibrating volume ratio pair, the stated accuracy for treating the meter 4 that measures rainfall can be improved.
As shown in Figure 1, water tank 1 can be connected with water inlet pipe, it is connected to water source (not shown) by water pump 9, water pump 9 It can be electrically connected with control system 3, inflow is controlled by control system 3.
In the embodiment that following is a brief introduction of the disclosure, the verification process of rainfall gauge 4 to be measured.Calibrating prepares rank Section after the parts such as water tank 1, water pipe, water pump 9 connect, is shielded by interaction and controls water pump 9 for water on water tank 1, when water level reaches When the setting position of liquid level sensor 8, water in stopping.It calculates volume at this point, can be shown on interactive screen and examines and determine the first of volume Initial value should be zero, it should be noted that for convenience, the other parameters such as temperature value of interaction screen display are not opened up herein Open explanation.When calibrating starts, shielded by interaction and control flow valve 5 and switch valve 6, water tank 1 is made to discharge water, Simulated rainwater flows into be measured Rainfall gauge 4, rainfall gauge 4 to be measured measure calibrating volume.Pass through the raininess different with the combine analog of switch valve 6 of multiple flow valves 5 Value, interaction is shielded can calculate volume and calibrating volume with real-time display.After a certain period of time, flow valve 5 and switch valve 6 are closed, is stopped It only discharges water, the two is compared, measured rainfall to treat by interaction this time of screen display corresponding calculating volume and calibrating volume 4 calibration of meter.
The preferred embodiment of the disclosure is described in detail above in association with attached 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 solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, 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, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (10)

1. a kind of udometric calibrating instrument, which is characterized in that include for holding the water tank of Simulated rainwater (1), for detecting The gravity detection device (2) and control system (3) of water tank (1) weight are stated, the water tank (1) is used for and rainfall gauge to be measured (4) Connection, the control system (3) are electrically connected with the gravity detection device (2) and the rainfall gauge to be measured (4) respectively, and can Include on the interaction screen of the control system (3) by parameter to be measured.
2. calibrating instrument according to claim 1, which is characterized in that the gravity detection device (2) includes being arranged described The gravity sensor of water tank (1) bottom.
3. calibrating instrument according to claim 1, which is characterized in that the water tank (1) waits measuring rainfall for being arranged described The top of (4) is counted, the bottom of the water tank (1) is provided with the water pipe that can extend to the rainfall gauge to be measured (4) downward.
4. calibrating instrument according to claim 3, which is characterized in that be provided with flow valve (5) and switch valve on the water pipe (6)。
5. calibrating instrument according to claim 4, which is characterized in that the control system (3) and the flow valve (5) and institute Switch valve (6) electrical connection is stated, and the flow valve (5) and the switch valve (6) are controlled by the interaction screen.
6. according to the calibrating instrument described in any one of claim 3-5, which is characterized in that the water pipe includes being connected to the water The a plurality of vertical water pipe (10) of case (1) bottom and the horizontal water tube (11) being connected with a plurality of vertical water pipe (10), the level The centre position of water pipe (11) is provided with the water outlet (12) extended towards the rainfall gauge (4) to be measured.
7. calibrating instrument according to claim 1, which is characterized in that it is provided with temperature sensor (7) in the water tank (1), The temperature sensor (7) is electrically connected with the control system (3).
8. calibrating instrument according to claim 7, which is characterized in that the control system (3) includes:
Receiving module comes from the gravity detection device (2), the temperature sensor (7) and the rain to be measured for receiving The signal of gauge (4);
Computing module, for calculating the mould according to the signal of the gravity detection device (2) and the temperature sensor (7) The calculating volume of quasi- rainwater;And
Display module, the calibrating volume for showing the calculating volume and the rainfall gauge to be measured (4).
9. calibrating instrument according to claim 1, which is characterized in that it is provided with liquid level sensor (8) in the water tank (1), The liquid level sensor (8) is electrically connected with the control system (3).
10. calibrating instrument according to claim 1, which is characterized in that the water tank (1) is connected to by water pump (9) with water source.
CN201820369803.8U 2018-03-16 2018-03-16 Udometric calibrating instrument Active CN208026889U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110274671A (en) * 2019-06-18 2019-09-24 上海市供水水表强制检定站有限公司 A kind of compulsory verification device of water supply water meter
CN112415636A (en) * 2020-11-02 2021-02-26 航天新气象科技有限公司 Calibrating device of rainfall sensor
CN112596130A (en) * 2020-12-03 2021-04-02 锐捷网络股份有限公司 Method, device, system, equipment and storage medium for testing rain gauge
CN114910983A (en) * 2022-04-24 2022-08-16 山东华特智慧科技有限公司 Rainfall measuring and reporting device with self-checking function and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110274671A (en) * 2019-06-18 2019-09-24 上海市供水水表强制检定站有限公司 A kind of compulsory verification device of water supply water meter
CN112415636A (en) * 2020-11-02 2021-02-26 航天新气象科技有限公司 Calibrating device of rainfall sensor
CN112415636B (en) * 2020-11-02 2022-05-03 航天新气象科技有限公司 Calibrating device of rainfall sensor
CN112596130A (en) * 2020-12-03 2021-04-02 锐捷网络股份有限公司 Method, device, system, equipment and storage medium for testing rain gauge
CN114910983A (en) * 2022-04-24 2022-08-16 山东华特智慧科技有限公司 Rainfall measuring and reporting device with self-checking function and method

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