CN111006745A - Urban waterlogging water level acquisition method - Google Patents
Urban waterlogging water level acquisition method Download PDFInfo
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- CN111006745A CN111006745A CN201911375366.6A CN201911375366A CN111006745A CN 111006745 A CN111006745 A CN 111006745A CN 201911375366 A CN201911375366 A CN 201911375366A CN 111006745 A CN111006745 A CN 111006745A
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- water level
- ground
- control module
- pressure sensor
- waterlogging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
Abstract
The invention provides a method for collecting urban waterlogging water level, which is characterized by collecting the urban waterlogging water level by using water level collecting equipment; the water level acquisition equipment is internally provided with a control module, a pressure sensor for measuring waterlogging water level through water pressure, an ultrasonic sensor for measuring waterlogging water level through ultrasonic waves and a contact ponding detector for detecting whether ponding exists on the ground; the control module stores calibration parameters required by equipment operation, and detects the ground state by using a contact water accumulation detector, an ultrasonic sensor and a pressure sensor to measure the current waterlogging water level of the ground; the invention can accurately measure the urban waterlogging water level through the cooperative matching of the ultrasonic sensor and the pressure sensor.
Description
Technical Field
The invention relates to the technical field of water level acquisition, in particular to a method for acquiring urban waterlogging water level.
Background
The water level detection is a common method for detecting urban waterlogging water level, common sensors are an ultrasonic sensor and a pressure sensor, but in specific application, the ultrasonic sensor has a blind area, road ponding in a few centimeters cannot be collected, floaters and fluctuating water surface in the ponding can seriously influence a collection result, the pressure sensor uses the air pressure in an equipment cavity as reference air pressure, and is easily influenced by external air temperature change, and the collection precision of the pressure sensor is indirectly influenced by the change of the external atmospheric pressure.
In order to compensate for errors caused by independent use of a pressure sensor (a mode of the prior art scheme) or independent use of an ultrasonic sensor, the proposal provides that the two water level sensors are simultaneously installed in one device and are matched with each other to realize the most accurate urban waterlogging measurement.
Disclosure of Invention
The invention provides a method for collecting urban waterlogging water level, which can accurately measure the urban waterlogging water level through the cooperation of an ultrasonic sensor and a pressure sensor.
The invention adopts the following technical scheme.
The urban waterlogging water level acquisition method comprises the steps of acquiring the urban waterlogging water level by using water level acquisition equipment; the water level acquisition equipment is internally provided with a control module, a pressure sensor for measuring waterlogging water level through water pressure, an ultrasonic sensor for measuring waterlogging water level through ultrasonic waves and a contact ponding detector for detecting whether ponding exists on the ground; the control module stores calibration parameters required by equipment operation, and detects the ground state by using the contact water accumulation detector, the ultrasonic sensor and the pressure sensor to measure the current waterlogging water level of the ground.
The method for measuring the current waterlogging water level of the ground by the control module detecting the ground state through the contact waterlogging detector, the ultrasonic sensor and the pressure sensor comprises the following steps;
step A1, powering on the water level acquisition equipment;
step A2, the water level acquisition equipment reads the calibration parameters burned in the control module and finishes the start;
a3, judging whether water is accumulated on the ground or not by the control module through a contact water accumulation detector;
step A4, when water is accumulated on the ground surface, starting an ultrasonic sensor to detect the ground state to obtain a first acquisition value of the ground water level, and starting a pressure sensor to detect the ground state to obtain;
step A5, the control module uses the first collection value of the ground water level to evaluate whether the current ground water level is in the detection blind zone of the ultrasonic sensor, if the current ground water level is in the detection blind zone of the ultrasonic sensor, the control module uses the second collection value of the ground water level as the waterlogging water level collection data;
step A6, if the current ground water level does not belong to the detection blind area of the ultrasonic sensor, the control module detects the ground state by the ultrasonic sensor according to the preset frequency within the preset time length to obtain the fluctuation condition of the ground water level within the preset time length, if the water level fluctuation range exceeds the threshold value, the control module uses the second collection value of the ground water level as the waterlogging water level collection data, and if the water level fluctuation range is within the threshold value range, the control module uses the first collection value of the ground water level as the waterlogging water level collection data.
In step a3, if the control module determines that there is no water accumulated on the ground, the control module collects the AD value of the pressure sensor and resets the zero calibration value ZeroAD of the pressure sensor.
In step a6, if the water level fluctuation range is within the threshold range, the control module collects and updates the middle calibration value midad (n) of the current pressure sensor through the pressure sensor.
The method for the control module to collect and update the calibration value of the middle section of the current pressure sensor through the pressure sensor comprises the following steps of;
step B1, subdividing the whole measuring range of the pressure sensor into x sections between the zero point and the full point, wherein the calibration value of each section is y, and the calculation formula of the calibration value y is y = kx + B;
and step B2, in the process of slowly changing the water level, taking the first acquisition value of the ground water level as a calibration value y, calculating k and B, and calculating the calibration value of the section position of the current water level by using the values of k and B.
The water level acquisition equipment is a T-shaped ladder column which can be buried underground on the ground, in an equipment cavity 6 of the ladder column, the ultrasonic sensor (3) and the pressure sensor (7) are arranged at the same height and are connected with the circuit board 4, the upper part of the ultrasonic sensor (3) and the upper part of the pressure sensor (7) are provided with an upper supporting cover body (2) and a cover plate (1), and the water level acquisition equipment is powered by the disposable lithium battery (5).
The contact accumulated water detector comprises a plurality of probes arranged outside the water level acquisition equipment shell.
The ground is an urban road surface.
The ultrasonic sensor is a main sensor of the water level acquisition equipment, and the pressure sensor is an auxiliary sensor of the water level acquisition equipment.
The invention realizes the most accurate urban waterlogging measurement by simultaneously installing the two water level sensors in one device and mutually matching the two water level sensors, and can calibrate the sensors.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic workflow diagram of the present invention;
FIG. 2 is a schematic view of a water level collection apparatus of the present invention;
FIG. 3 is an exploded schematic view of the water level collection apparatus of the present invention;
in the figure, 1 is an upper cover plate; 2 is an upper supporting cover body; 3 is an ultrasonic sensor; 4 is a circuit board; 5 is a disposable lithium battery; 6 is an equipment cavity; and 7 is a pressure sensor.
Detailed Description
As shown in fig. 1, a method for collecting urban waterlogging water level includes collecting urban waterlogging water level by using a water level collecting device; the water level acquisition equipment is internally provided with a control module, a pressure sensor for measuring waterlogging water level through water pressure, an ultrasonic sensor for measuring waterlogging water level through ultrasonic waves and a contact ponding detector for detecting whether ponding exists on the ground; the control module stores calibration parameters required by equipment operation, and detects the ground state by using the contact water accumulation detector, the ultrasonic sensor and the pressure sensor to measure the current waterlogging water level of the ground.
The method for measuring the current waterlogging water level of the ground by the control module detecting the ground state through the contact waterlogging detector, the ultrasonic sensor and the pressure sensor comprises the following steps;
step A1, powering on the water level acquisition equipment;
step A2, the water level acquisition equipment reads the calibration parameters burned in the control module and finishes the start;
a3, judging whether water is accumulated on the ground or not by the control module through a contact water accumulation detector;
step A4, when water is accumulated on the ground surface, starting an ultrasonic sensor to detect the ground state to obtain a first acquisition value of the ground water level, and starting a pressure sensor to detect the ground state to obtain;
step A5, the control module uses the first collection value of the ground water level to evaluate whether the current ground water level is in the detection blind zone of the ultrasonic sensor, if the current ground water level is in the detection blind zone of the ultrasonic sensor, the control module uses the second collection value of the ground water level as the waterlogging water level collection data;
step A6, if the current ground water level does not belong to the detection blind area of the ultrasonic sensor, the control module detects the ground state by the ultrasonic sensor according to the preset frequency within the preset time length to obtain the fluctuation condition of the ground water level within the preset time length, if the water level fluctuation range exceeds the threshold value, the control module uses the second collection value of the ground water level as the waterlogging water level collection data, and if the water level fluctuation range is within the threshold value range, the control module uses the first collection value of the ground water level as the waterlogging water level collection data.
In step a3, if the control module determines that there is no water accumulated on the ground, the control module collects the AD value of the pressure sensor and resets the zero calibration value ZeroAD of the pressure sensor.
In step a6, if the water level fluctuation range is within the threshold range, the control module collects and updates the middle calibration value midad (n) of the current pressure sensor through the pressure sensor.
The method for the control module to collect and update the calibration value of the middle section of the current pressure sensor through the pressure sensor comprises the following steps of;
step B1, subdividing the whole measuring range of the pressure sensor into x sections between the zero point and the full point, wherein the calibration value of each section is y, and the calculation formula of the calibration value y is y = kx + B;
and step B2, in the process of slowly changing the water level, taking the first acquisition value of the ground water level as a calibration value y, calculating k and B, and calculating the calibration value of the section position of the current water level by using the values of k and B.
The contact accumulated water detector comprises a plurality of probes arranged outside the water level acquisition equipment shell.
The ground is an urban road surface.
The ultrasonic sensor is a main sensor of the water level acquisition equipment, and the pressure sensor is an auxiliary sensor of the water level acquisition equipment.
In this example, if the control module outputs the first acquired value of the ground water level measured by the ultrasonic sensor as the collected data of the waterlogging water level, the control module re-executes step a3 after waiting for a preset time period to detect the water on the road area, and the process is repeated.
In this example, the water level acquisition equipment is a T-shaped ladder column which can be buried in the ground, an ultrasonic sensor 3 and a pressure sensor 7 are arranged at the same height in an equipment cavity 6 of the ladder column and are connected with a circuit board 4, an upper support cover body 2 and a cover plate 1 are arranged above the ultrasonic sensor 3 and the pressure sensor 7, and the water level acquisition equipment is powered by a disposable lithium battery 5.
In this example, the small end of the T-shaped step pillar is buried under the ground, the large end is exposed at the ground, and the contact water accumulation detector is connected with the detector contact through the probe exposed at the large end.
Claims (9)
1. A method for collecting urban inland inundation water level is characterized by comprising the following steps: the acquisition method comprises the steps of acquiring the urban waterlogging water level by using water level acquisition equipment; the water level acquisition equipment is internally provided with a control module, a pressure sensor for measuring waterlogging water level through water pressure, an ultrasonic sensor for measuring waterlogging water level through ultrasonic waves and a contact ponding detector for detecting whether ponding exists on the ground; the control module stores calibration parameters required by equipment operation, and detects the ground state by using the contact water accumulation detector, the ultrasonic sensor and the pressure sensor to measure the current waterlogging water level of the ground.
2. The urban waterlogging water level collection method according to claim 1, characterized in that: the method for measuring the current waterlogging water level of the ground by the control module detecting the ground state through the contact waterlogging detector, the ultrasonic sensor and the pressure sensor comprises the following steps;
step A1, powering on the water level acquisition equipment;
step A2, the water level acquisition equipment reads the calibration parameters burned in the control module and finishes the start;
a3, judging whether water is accumulated on the ground or not by the control module through a contact water accumulation detector;
step A4, when water is accumulated on the ground surface, starting an ultrasonic sensor to detect the ground state to obtain a first acquisition value of the ground water level, and starting a pressure sensor to detect the ground state to obtain;
step A5, the control module uses the first collection value of the ground water level to evaluate whether the current ground water level is in the detection blind zone of the ultrasonic sensor, if the current ground water level is in the detection blind zone of the ultrasonic sensor, the control module uses the second collection value of the ground water level as the waterlogging water level collection data;
step A6, if the current ground water level does not belong to the detection blind area of the ultrasonic sensor, the control module detects the ground state by the ultrasonic sensor according to the preset frequency within the preset time length to obtain the fluctuation condition of the ground water level within the preset time length, if the water level fluctuation range exceeds the threshold value, the control module uses the second collection value of the ground water level as the waterlogging water level collection data, and if the water level fluctuation range is within the threshold value range, the control module uses the first collection value of the ground water level as the waterlogging water level collection data.
3. The urban waterlogging water level collection method according to claim 2, characterized in that: in step a3, if the control module determines that there is no water accumulated on the ground, the control module collects the AD value of the pressure sensor and resets the zero calibration value ZeroAD of the pressure sensor.
4. The urban waterlogging water level collection method according to claim 2, characterized in that: in step a6, if the water level fluctuation range is within the threshold range, the control module collects and updates the middle calibration value of the current pressure sensor through the pressure sensor.
5. The urban waterlogging water level collection method according to claim 4, characterized in that: the method for the control module to collect and update the calibration value of the middle section of the current pressure sensor through the pressure sensor comprises the following steps of;
step B1, subdividing the whole measuring range of the pressure sensor into x sections between the zero point and the full point, wherein the calibration value of each section is y, and the calculation formula of the calibration value y is y = kx + B;
and step B2, in the process of slowly changing the water level, taking the first acquisition value of the ground water level as a calibration value y, calculating k and B, and calculating the calibration value of the section position of the current water level by using the values of k and B.
6. The urban waterlogging water level collection method according to claim 1, characterized in that: the contact accumulated water detector comprises a plurality of probes arranged outside the water level acquisition equipment shell.
7. The urban waterlogging water level collection method according to claim 1, characterized in that: the ground is an urban road surface.
8. The urban waterlogging water level collection method according to claim 1, characterized in that: the ultrasonic sensor is a main sensor of the water level acquisition equipment, and the pressure sensor is an auxiliary sensor of the water level acquisition equipment.
9. The urban waterlogging water level collection method according to claim 1, characterized in that: the water level acquisition equipment is a T-shaped ladder column which can be buried underground on the ground, in an equipment cavity 6 of the ladder column, the ultrasonic sensor (3) and the pressure sensor (7) are arranged at the same height and are connected with the circuit board 4, the upper part of the ultrasonic sensor (3) and the upper part of the pressure sensor (7) are provided with an upper supporting cover body (2) and a cover plate (1), and the water level acquisition equipment is powered by the disposable lithium battery (5).
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| CN201911375366.6A CN111006745A (en) | 2019-12-27 | 2019-12-27 | Urban waterlogging water level acquisition method |
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| CN201911375366.6A CN111006745A (en) | 2019-12-27 | 2019-12-27 | Urban waterlogging water level acquisition method |
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| CN111006745A true CN111006745A (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514102A (en) * | 2021-07-05 | 2021-10-19 | 常州信息职业技术学院 | Mobile hydrological environment monitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865716A (en) * | 2010-06-10 | 2010-10-20 | 上海三高计算机中心股份有限公司 | Urban drainage pipe network water level information monitoring system |
| JP3201140U (en) * | 2015-09-11 | 2015-11-19 | ペンタフ株式会社 | Water level indicator for floods during flat water |
| CN106643981A (en) * | 2016-11-03 | 2017-05-10 | 厦门点云数据科技有限公司 | Ground pile type water level monitoring device |
| CN206990058U (en) * | 2017-08-11 | 2018-02-09 | 北京清环智慧水务科技有限公司 | A kind of level monitoring device |
| CN211262393U (en) * | 2019-12-26 | 2020-08-14 | 北京博雅天安信息技术有限公司 | Waterlogging monitoring device with multiple sensors |
-
2019
- 2019-12-27 CN CN201911375366.6A patent/CN111006745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865716A (en) * | 2010-06-10 | 2010-10-20 | 上海三高计算机中心股份有限公司 | Urban drainage pipe network water level information monitoring system |
| JP3201140U (en) * | 2015-09-11 | 2015-11-19 | ペンタフ株式会社 | Water level indicator for floods during flat water |
| CN106643981A (en) * | 2016-11-03 | 2017-05-10 | 厦门点云数据科技有限公司 | Ground pile type water level monitoring device |
| CN206990058U (en) * | 2017-08-11 | 2018-02-09 | 北京清环智慧水务科技有限公司 | A kind of level monitoring device |
| CN211262393U (en) * | 2019-12-26 | 2020-08-14 | 北京博雅天安信息技术有限公司 | Waterlogging monitoring device with multiple sensors |
Non-Patent Citations (1)
| Title |
|---|
| 梁福平: "《传感器原理及检测技术》", 30 September 2010, 华中科技大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514102A (en) * | 2021-07-05 | 2021-10-19 | 常州信息职业技术学院 | Mobile hydrological environment monitor |
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Application publication date: 20200414 |