CN113029298A - Water level measuring device, method and system based on Beidou technology - Google Patents
Water level measuring device, method and system based on Beidou technology Download PDFInfo
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- CN113029298A CN113029298A CN202110244496.7A CN202110244496A CN113029298A CN 113029298 A CN113029298 A CN 113029298A CN 202110244496 A CN202110244496 A CN 202110244496A CN 113029298 A CN113029298 A CN 113029298A
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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
- G01F23/30—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 floats
- G01F23/56—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/62—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using magnetically actuated indicating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/12—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are telecommunication base stations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
Abstract
The invention discloses a water level measuring device, method and system based on the Beidou technology. The device comprises a self-adaptive floating body, a sedimentation body connected with the self-adaptive floating body through a fixed chain, a Beidou positioning module, a Beidou communication module and a power management module, wherein the Beidou positioning module, the Beidou communication module and the power management module are installed in a cavity of the self-adaptive floating body and do not contain choke coil antennas; the Beidou positioning module is used for acquiring original information containing device position information and sending the original information to the Beidou communication module; the Beidou communication module is used for receiving the original information and the working state information of each module and transmitting corresponding Beidou short message information to the user side through the Beidou satellite system according to the state detection result; the power management module is used for supplying power to each module and storing electric energy obtained by converting kinetic energy generated by water surface shaking. According to the invention, the water level measurement and the device state monitoring are realized through the Beidou accurate positioning and short message communication technology, the water level measurement reliability is good, the continuous working stability of the device is good, and the device deployment flexibility is high.
Description
Technical Field
The invention belongs to the technical field of water level measurement, and particularly relates to a water level measurement device, method and system based on the Beidou technology.
Background
The hydropower station water level measurement not only provides data with independent use value for water conservancy facilities and a water conservancy junction of a power station, but also provides indirect application data for evaluating other hydrological data. The water level measuring device is an important guarantee for optimizing operation of the hydropower station unit and safe flood control and flood fighting of the dam reservoir, and whether the water level measuring device is normally operated determines the power generation efficiency of the hydropower station unit and the operation safety of the dam. The traditional water level measurement is that a water level well or a water level platform is built on site for deploying water level measuring devices, such as a water gauge, a water level meter and the like, and a local area network or a wide area network of an operator is utilized for water level information transmission. The traditional water level measurement has the following defects: 1) the water level information transmission is too dependent on a local area network or a wide area network of an operator, and when network signals disappear at a remote monitoring point far away from a hydropower station, the water level measuring device falls into an unconnected state and cannot measure the water level; 2) the water level measuring device needs to be deployed to build a water level well or a water level platform, so that the engineering is complex, the construction period is long, and the capital consumption is high; 3) the device state detection adopts the manual inspection mode, increases the labor cost, has the risk that the device fault can not be found in time, and reduces the reliability of water level measurement.
Disclosure of Invention
The invention aims to provide a Beidou satellite-based water level measuring device, method and system, which are used for solving at least one problem existing in the traditional water level measurement.
In view of the above, in a first aspect, the present invention provides a water level measuring device based on the beidou technology, including: the self-adaptive floating body is a sedimentation body connected with the self-adaptive floating body through a fixed chain, and a Beidou positioning module, a Beidou communication module and a power supply management module which are installed in a cavity of the self-adaptive floating body and do not contain choke coil antennas; the Beidou communication module is respectively connected with the Beidou positioning module and the power management module through serial ports, and the power management module is respectively connected with the Beidou positioning module and the Beidou communication module through power lines; the power management module consists of an uninterruptible power supply module and a wave energy power generation module, and the uninterruptible power supply module is connected with the wave energy power generation module through a power line;
the Beidou positioning module is used for acquiring original information containing device position information;
the Beidou communication module is used for receiving the original information sent by the Beidou positioning module and the working state information of the Beidou positioning module and the power management module and carrying out state detection; when the working state information of all the modules is non-fault, first short message information generated according to the original information is transmitted to a user side through a Beidou satellite system at a preset transmission rate, so that the user side can process the first short message information through preset resolving software to obtain water level elevation information of a monitoring point; when the working state information of any module is a fault, sending second short message information through the Beidou communication module to perform state early warning;
and the power management module is used for supplying power to the Beidou positioning module and the Beidou communication module and storing electric energy obtained by converting kinetic energy generated by water surface shaking.
Preferably, the Beidou positioning module consists of a Beidou positioning receiver and a choke coil antenna; the Beidou positioning receiver is installed inside a cavity of the self-adaptive floating body, and the choke coil antenna is installed at the top of the self-adaptive floating body.
Preferably, the Beidou communication module integrates data acquisition, transmission and storage functions and comprises a communication channel for transmitting Beidou short message information.
Preferably, the uninterruptible power supply module adopts a 12 ampere-hour capacity colloid storage battery.
Preferably, the wave energy power generation module adopts a shaking generator to generate power, and the shaking generator comprises a transduction cavity, an output coil and a rectifier, wherein the transduction cavity consists of a generator bearing, an electromagnetic conversion sliding block, a buffer plate and a soft spring;
one end of the output coil is connected with the output end of the generator bearing, and the other end of the output coil is connected with the rectifier; the fixed end of the generator bearing is connected with the bottom of the transduction cavity;
the generator bearing is sequentially provided with an electromagnetic conversion sliding block which is rocked by the water surface and drives the generator bearing to move, and the buffer plate is connected to the bottom of the energy conversion cavity through the soft spring.
Preferably, the self-adaptive floating body comprises an access hole, a spherical cavity, a connecting rod, a counterweight body and a fixed hook; the maintenance opening is arranged right above the spherical cavity, the position right below the spherical cavity is connected with the first end of the connecting rod, and two fixing hooks for installing the fixing chain are uniformly arranged on the surface of a lower hemisphere of the spherical cavity; the second end of the connecting rod is connected with the counterweight body.
Preferably, the settling body is a square solid body, and any two corresponding surfaces of the settling body are respectively provided with a fixing hook.
Preferably, the fixed chain is a circular ring chain with the surface subjected to phosphating and carburizing treatment.
In a second aspect, the invention provides a water level measuring method of a water level measuring device based on the Beidou technology, which comprises the following steps:
acquiring original information containing device position information through a Beidou positioning module, and sending the original information to a Beidou communication module;
receiving the original information and working state information of the Beidou positioning module and the power management module through the Beidou communication module, and carrying out state detection;
when the working state information of all the modules is non-fault, first short message information generated according to the original information is transmitted to a user side through a Beidou satellite system at a preset transmission rate through the Beidou communication module, so that the user side can process the first short message information through preset resolving software to obtain water level elevation information of a monitoring point;
and when the working state information of any module is a fault, sending second short message information through the Beidou communication module to perform state early warning.
In a third aspect, the invention provides a water level measuring system, which comprises any one of the above water level measuring devices based on the Beidou technology, a Beidou satellite system and a user side provided with a Beidou commander;
the Beidou satellite system is used for sending the first short message information and the second short message information sent by the device to a user side;
the user side is used for receiving the first short message information through the Beidou command machine and processing the first short message information through preset resolving software to obtain water level elevation information of a monitoring point; and receiving the second short message information and determining the working state information of the device.
When the device works, the Beidou positioning module is used for acquiring original information containing device position information and sending the original information to the Beidou communication module, then the Beidou communication module is used for receiving the original information and working state information of each module, and corresponding Beidou short message information is transmitted to a user side through the Beidou satellite system according to a state detection result, so that the user side can determine water level elevation information of a monitoring point and the device running state. Compared with the traditional water level measurement, the water level measurement and the device state monitoring are realized through the Beidou accurate positioning and the short message communication technology, and the reliability of the water level measurement is improved; secondly, when the device works, the device utilizes the wave energy power generation technology, the kinetic energy generated by the shaking of the device on the water surface is converted into electric energy through the wave energy power generation module, the electric energy is stored through the uninterrupted power supply module, the stability of continuous work of the device is improved, and the electric energy utilization rate is high. And when the device is installed, the self-adaptive floating body is maintained at the monitoring point through the fixed chain and the settling body, so that the device works at the monitoring point, the flexibility of device deployment is improved, the device is simple in structure, and the device is good in economical and practical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a water level measuring device based on Beidou technology in one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an adaptive floating body according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a shaking generator according to an embodiment of the present invention;
FIG. 4 is a flow chart of a water level measuring method of the water level measuring device based on the Beidou technology in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a water level measuring system according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a water level measuring device based on the Beidou technology, which includes an adaptive floating body 10, a settling body 30 connected to the adaptive floating body 10 through a fixed chain 20, a Beidou positioning module 40 without choke coil antenna, a Beidou communication module 50 and a power management module 60 installed in a cavity of the adaptive floating body 10; the Beidou communication module 50 is respectively connected with the Beidou positioning module 40 and the power management module 60 through communication serial ports, and the power management module 60 is respectively connected with the Beidou positioning module 40 and the Beidou communication module 50 through power lines; the power management module 60 is composed of an uninterruptible power supply module 70 and a wave energy power generation module 80, and the uninterruptible power supply module 70 is connected with the wave energy power generation module 80 through a power line.
The self-adaptive floating body 10 is used for providing enough water surface buoyancy, and device components except the choke coil antenna are installed in the cavity in a sealed mode. Preferably, as shown in fig. 2, the adaptive floating body 10 includes a service port 101, a spherical cavity 102, a connecting rod 103, a counterweight body 104 and a fixing hook 105; an access hole 101 is formed right above the spherical cavity 102, the right below of the spherical cavity 102 is connected with a first end of a connecting rod 103, and two fixing hooks 105 for installing the fixing chain 20 are uniformly arranged on the lower hemispherical surface of the spherical cavity 102; a second end of the connecting rod 104 is connected to the weight body 104. In the present embodiment, the spherical cavity 102 is a hollow body made of metal; the access hole 101 is positioned at the circular section of the top of the spherical cavity 102 and is used for carrying out in-cavity maintenance when the device fails; the counterweight body 104 on the connecting rod 103 is a solid metal square block, and is used for providing downward gravity to ensure that the self-adaptive floating body 10 keeps the upward posture of the access hole 101 in water, so that the problem of key module failure caused by the fact that the spherical cavity 102 is soaked in water can be effectively avoided.
And a fixed chain 20 for connecting the settling body 30 with the adaptive floating body 10 and providing a sufficient tension. Preferably, the fixed chain 20 is a circular ring chain with a surface treated by phosphorization and carburization, so that the problem that the chain is oxidized in the using process and the service life is further shortened can be avoided.
And the settling body 30 is used for sinking into the water bottom and ensuring that the device works at a monitoring point through multi-point placement and self gravity. Preferably, the sinker 30 is a square solid, and one fixing hook 105 is provided on each of two corresponding surfaces of the sinker 30. Optionally, the settling body 30 is a square solid body made of reinforced concrete, and the quality can be selected according to requirements.
In this embodiment, when monitoring point installation device, earlier evenly be fixed in the spherical cavity 102 of self-adaptation floating body 10 except that the part of choke coil antenna, close access hole 101 and dispose big dipper orientation module 40's choke coil antenna, the monitoring point of the known waters degree of depth is selected again and is placed self-adaptation floating body 10, and adopt 2 length to fix for 2 fixed chains 20 of waters degree of depth, the one end of fixed chain 20 links to each other with fixed hook 105 on the self-adaptation floating body 10, the other end links to each other with the fixed hook on the subsider 30, use self-adaptation floating body 10 position as the standard at last, upstream, downstream direction each drops into a subsider 30, thereby completion device installation.
And the Beidou positioning module 40 is used for acquiring original information containing the device position information and sending the original information to the Beidou communication module 50. The Beidou positioning module 40 is further used for acquiring working state information of the Beidou positioning module, and the working state information of the Beidou positioning module 40 contains normal information and fault information. Preferably, the Beidou positioning module 40 consists of a Beidou positioning receiver and a choke coil antenna; big dipper positioning receiver installs inside the cavity of the self-adaptation floats the body, and choke coil antenna installs at the top of the self-adaptation floats the body, and big dipper positioning receiver of big dipper orientation module 40 passes through choke coil antenna and communicates with big dipper satellite system. When the device works, a choke coil antenna of the Beidou positioning module 40 receives satellite signals sent by a Beidou satellite system in an electromagnetic wave mode, the satellite signals are converted into current signals and sent to a Beidou positioning receiver, the Beidou positioning receiver performs amplification, frequency conversion, de-spreading, frequency demodulation and other processing on the current signals to obtain original information containing device position information, wherein the device position information comprises a code pseudo-range observation value and a carrier phase observation value, and the original signals also contain information such as satellite ephemeris and satellite almanac. Optionally, the choke antenna adopts a high-precision choke antenna with an IP68 protection level; the big dipper positioning receiver adopts the static measurement accuracy in plane to be superior to 2.5 millimeters, and the perpendicular static measurement accuracy is superior to the high accuracy big dipper positioning receiver of 5 millimeters, and this embodiment big dipper orientation module 40 can realize the purpose of the accurate location of device through high accuracy choke coil antenna and high accuracy big dipper positioning receiver.
The Beidou communication module 50 is used for receiving original information sent by the Beidou positioning module 40, receiving working state information of the Beidou positioning module 40 and the power management module 60 and detecting the working states of the Beidou positioning module 40 and the power management module 60; when the working states of the Beidou positioning module 40 and the power management module 60 are both non-fault, first short message information is generated according to original information and is sent out according to a preset transmission rate, the first short message information is sent to a user side through a Beidou satellite system, the user side combines distance constant information of monitoring points, and the first short message information is processed through preset calculation software to obtain water level elevation information of the monitoring points, wherein the distance constant information of the monitoring points refers to the distance between a Beidou positioning receiver of a device installed at the monitoring points and the water surface; and when the working state of any one of the Beidou positioning module 40 and the power management module 60 is a fault, generating corresponding second short message information according to the working state information, and sending the second short message information to a user end through a Beidou satellite system so as to provide state early warning for the user end. The operating status information of the power management module 60 includes normal, fault, and charge capacity. Optionally, the Beidou satellite system adopts a Beidou third system; the predetermined transmission rate does not exceed 1000 words per 30 seconds of transmission.
In this embodiment, when the device during operation, big dipper communication module 50 adopts the mode of reporting beyond the limit, also when big dipper communication module 50 detects the operating condition information of certain module and changes or breaks down, then sends relevant information with big dipper short message form to replace the manual work to patrol and examine, at this moment, when big dipper communication module 50 detects the operating condition of all modules and is the non-trouble, then directly acquiesces for the device and is in healthy state. In other embodiments, when the device works, the Beidou communication module 50 can adopt a working mode of a timing message, that is, the Beidou communication module 50 modulates the working state information of the Beidou positioning module 40 and the power management module 60, and sends the working state information in a Beidou short message form at a preset sending frequency (for example, a frequency of once every 5 minutes), and at this time, the Beidou communication module 50 is further configured to generate third short message information when the working state information of all the modules is non-failure, and send the third short message information at the preset sending frequency.
Preferably, the Beidou communication module 50 integrates data acquisition, transmission and storage functions and comprises a communication channel for transmitting Beidou short message information. When the device works, the Beidou communication module 50 sends working state information of the Beidou positioning module 40, the uninterruptible power supply module 70 and the wave energy power generation module 80 and original information acquired by the Beidou positioning module 40 to a Beidou satellite system in a Beidou short message form through a communication channel. In this embodiment, the Beidou communication module 50 performs data transmission through a communication channel for transmitting Beidou short message information, and data transmission efficiency can be improved.
In other embodiments, the Beidou communication module 50 may simultaneously support a plurality of communication protocols such as Beidou short messages, 4G, and NB-IOT, and transmit data using the Beidou short messages as a main communication channel.
And the power management module 60 is used for supplying power to the Beidou positioning module 40 and the Beidou communication module 50 and storing electric energy obtained by converting kinetic energy generated by water surface shaking. The uninterruptible power supply module 70 and the wave energy power generation module 80 of the power management module 60 are all provided with three pieces of working state information, namely normal, fault and power generation. And the uninterrupted power supply module 70 is used for providing a permanent power supply for the power utilization part of the device through a self storage battery. Preferably, the ups module 70 uses a 12 amp-hour capacity gel battery and provides power to the device in a dc output mode, so that the device can continuously monitor for more than 12 hours.
The wave energy power generation module 80 is used for converting kinetic energy generated by shaking the device on the water surface into electric energy and transmitting the electric energy to the uninterruptible power supply module 70 through a power line. Preferably, the wave energy power generation module 80 generates power by using a sloshing generator, and as shown in fig. 3, the sloshing generator comprises a transduction cavity 805 composed of a generator bearing 801, an electromagnetic conversion sliding block 802, a buffer plate 803 and a soft spring 804, an output coil 806 and a rectifier 807.
In a sloshing generator, one end of an output coil 806 is connected with the output end of a generator bearing 801, and the other end is connected with a rectifier 807; the fixed end of the generator bearing 801 is connected with the bottom of the transduction cavity 805, and the generator bearing 801 is sequentially provided with an electromagnetic conversion sliding block 802 which is driven by the water surface to shake and move along the generator bearing 801, and a buffer plate 803 which is connected with the bottom of the transduction cavity 805 through a soft spring 804. Alternatively, the electromagnetic conversion slider 802 is provided in a spherical shape. That is, one end of the generator bearing 801 passes through the cavity outlet and the output coil 806 arranged at the top of the transduction cavity 805, and the other end of the generator bearing passes through the connection holes of the electromagnetic conversion slider 802 and the buffer plate 803 in sequence and is connected with the top of the transduction cavity 805. When the device works, the water surface shaking can cause the self-adaptive floating body 10 to shake, so that the electromagnetic conversion sliding block 802 of the shaking generator moves up and down along the generator bearing 801, a reaction force is generated when the electromagnetic conversion sliding block touches the buffer plate 803 supported by the two soft springs 804, the electromagnetic conversion sliding block moves again, the magnetic induction lines are cut through repeated work of the electromagnetic conversion sliding block 802 to generate kinetic energy, and then the kinetic energy is transmitted to the uninterruptible power supply module 70 through the output coil 806 and the rectifier 807.
To sum up, the water level measuring device based on the big dipper technique that this embodiment provided when the device work, at first acquires original information and sends to big dipper communication module 40 through big dipper positioning module 30, then receives the operating condition information of original information and each module through big dipper communication module 40 to pass through big dipper satellite system according to the state testing result and transmit corresponding big dipper short message information to the user side, so that the user side confirms the water level elevation information and the device running state of monitoring point. The device has the following advantages: 1) the Beidou precise positioning technology is utilized for water level measurement, the acquisition of elevation information is completed through the Beidou positioning module 30, and the accuracy of hydropower elevation information can reach the centimeter level; 2) the Beidou short message communication technology is utilized to transmit the state information of the device, the state monitoring of the device is completed, the device is not limited by a network environment, manual inspection is not needed, the failure of the device can be found in time, and the reliability of water level measurement is improved; 3) by utilizing the wave energy power generation technology, the kinetic energy generated by the device shaking on the water surface is converted into electric energy through the wave energy power generation module 80, and the electric energy is stored through the uninterruptible power supply module 70, so that the stability of the continuous operation of the device is improved, and the electric energy utilization rate is high; 4) the self-adaptive floating body is maintained at the monitoring point through the fixed chain 20 and the settling body 30, so that the device works at the monitoring point, the flexibility of device deployment is improved, the device is simple in structure, and the device is good in economical and practical performance.
As shown in fig. 4, an embodiment of the present invention further provides a water level measuring method, which is applied to the water level measuring device based on the beidou technology shown in fig. 1, and includes the following steps:
step S10, obtaining original information including device position information through the beidou positioning module 40, and sending the original information to the beidou communication module 50.
And step S20, receiving the original information and the working state information of the Beidou positioning module 40 and the power management module 60 through the Beidou communication module 50, and performing state detection. The working state information of the Beidou positioning module 40 comprises normal and fault, and the working state information of the power management module 60 comprises normal, fault and electric charge capacity.
And step S30, when the working state information of all the modules is non-failure, transmitting the first short message information generated according to the original information to the user side through the Beidou satellite system at a preset transmission rate through the Beidou communication module 50, so that the user side can process the first short message information through preset calculation software to obtain the water level elevation information of the monitoring point. The Beidou satellite system is a Beidou third system, and the preset transmission rate is not more than 1000 words transmitted every 30 seconds.
Specifically, if the Beidou communication module 50 detects that the working state information of all the modules (including the Beidou positioning module 40, the uninterruptible power supply module 70 and the wave energy power generation module 80) is non-fault, first short message information is transmitted to the user side through the Beidou satellite system, correspondingly, the user side receives the first short message information through the Beidou commander, analyzes the first short message information according to a preset short message protocol to obtain original information including satellite ephemeris, satellite almanac, code pseudorange observation values, carrier phase observation values and the like, and finally eliminates errors such as satellite clock errors, satellite ephemeris, ionosphere delay and flow delay through a GNSS local difference algorithm to obtain a high-precision three-dimensional coordinate of the position of the device, so that the water level elevation of the monitoring point is obtained through calculation.
It can be understood that the Beidou communication module 50 in this embodiment adopts an out-of-limit reporting mode, and at this time, if the Beidou communication module 50 detects that the working state information of all the modules is non-failure, it is not necessary to send out third short message information. It should be noted that, in other embodiments, the Beidou communication module 50 may also adopt a working mode of timing, and at this time, if the Beidou communication module 50 detects that the working state information of all the modules is non-failure, the third short message information is sent according to a preset sending frequency.
And step S40, when the working state information of any module is a fault, sending out second short message information through the Beidou communication module 50 to perform state early warning.
Understandably, when the device works, if the working state information of all the modules is non-fault, the user side can receive the first short message information, and in combination with the distance constant information of the monitoring points, the water level elevation information of the monitoring points is obtained after the first short message information is resolved by preset resolving software. And if the working state information of any module is a fault, sending the second short message information to the user side through the Beidou satellite system, correspondingly, after receiving the second short message information, the user side resolves the second short message information through preset resolving software to obtain abnormal related information, and performing state early warning according to the abnormal related information.
In summary, in the water level measurement method provided in this embodiment, the original information is first acquired by the beidou positioning module 30 and sent to the beidou communication module 40, then the original information and the working state information of each module are received by the beidou communication module 40, and corresponding beidou short message information is transmitted to the user terminal through the beidou satellite system according to the state detection result, so that the user terminal can determine the water level elevation information of the monitoring point and the device operating state. According to the method, the water level measurement and the device state monitoring are realized through the Beidou accurate positioning and the short message communication technology, and the reliability of the water level measurement is improved.
As shown in fig. 5, an embodiment of the present invention further provides a water level measuring system, which includes the above water level measuring device based on the big dipper technology, a big dipper satellite system, and a user side provided with a big dipper commander; the Beidou satellite system is used for sending the first short message information and the second short message information sent by the device to the user side.
The user side is used for receiving the first short message information through the Beidou command machine and processing the first short message information through preset resolving software to obtain water level elevation information of the monitoring point; and receiving the second short message information and determining the working state information of the device.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the present disclosure, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present invention as described above, which are not provided in detail for the sake of brevity.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present disclosure are intended to be included within the scope of the disclosure.
Claims (10)
1. The utility model provides a water level measuring device based on big dipper technique which characterized in that includes: the self-adaptive floating body is a sedimentation body connected with the self-adaptive floating body through a fixed chain, and a Beidou positioning module, a Beidou communication module and a power supply management module which are installed in a cavity of the self-adaptive floating body and do not contain choke coil antennas; the Beidou communication module is respectively connected with the Beidou positioning module and the power management module through serial ports, and the power management module is respectively connected with the Beidou positioning module and the Beidou communication module through power lines; the power management module consists of an uninterruptible power supply module and a wave energy power generation module, and the uninterruptible power supply module is connected with the wave energy power generation module through a power line;
the Beidou positioning module is used for acquiring original information containing device position information;
the Beidou communication module is used for receiving the original information sent by the Beidou positioning module and the working state information of the Beidou positioning module and the power management module and carrying out state detection; when the working state information of all the modules is non-fault, first short message information generated according to the original information is transmitted to a user side through a Beidou satellite system at a preset transmission rate, so that the user side can process the first short message information through preset resolving software to obtain water level elevation information of a monitoring point; when the working state information of any module is a fault, sending second short message information through the Beidou communication module to perform state early warning;
and the power management module is used for supplying power to the Beidou positioning module and the Beidou communication module and storing electric energy obtained by converting kinetic energy generated by water surface shaking.
2. The Beidou technology-based water level measuring device of claim 1, wherein the Beidou positioning module consists of a Beidou positioning receiver and a choke coil antenna; the Beidou positioning receiver is installed inside a cavity of the self-adaptive floating body, and the choke coil antenna is installed at the top of the self-adaptive floating body.
3. The Beidou technology-based water level measuring device of claim 1, wherein the Beidou communication module integrates data acquisition, transmission and storage functions and comprises a communication channel for transmitting Beidou short message information.
4. The Beidou technology-based water level measuring device of claim 1, wherein the uninterruptible power supply module adopts a 12 ampere-hour capacity colloid storage battery.
5. The Beidou technology-based water level measuring device according to claim 1, wherein the wave energy power generation module generates power by using a sloshing generator, and the sloshing generator comprises a transduction cavity consisting of a generator bearing, an electromagnetic conversion sliding block, a buffer plate and a soft spring, an output coil and a rectifier;
one end of the output coil is connected with the output end of the generator bearing, and the other end of the output coil is connected with the rectifier; the fixed end of the generator bearing is connected with the bottom of the transduction cavity;
the generator bearing is sequentially provided with an electromagnetic conversion sliding block which is rocked by the water surface and drives the generator bearing to move, and the buffer plate is connected to the bottom of the energy conversion cavity through the soft spring.
6. The Beidou technology-based water level measuring device according to claim 1, wherein the adaptive floating body comprises a service port, a spherical cavity, a connecting rod, a counterweight body and a fixed hook; the maintenance opening is arranged right above the spherical cavity, the position right below the spherical cavity is connected with the first end of the connecting rod, and two fixing hooks for installing the fixing chain are uniformly arranged on the surface of a lower hemisphere of the spherical cavity; the second end of the connecting rod is connected with the counterweight body.
7. The Beidou technology-based water level measuring device as set forth in claim 1, wherein the sedimentation body is a square solid body, and one fixing hook is respectively arranged on any two corresponding surfaces of the sedimentation body.
8. The Beidou technology-based water level measuring device of claim 1, wherein the fixed chain is a circular ring chain with a surface subjected to phosphating and carburizing treatment.
9. The water level measuring method of the water level measuring device based on the Beidou technology as set forth in claim 1, characterized by comprising:
acquiring original information containing device position information through a Beidou positioning module, and sending the original information to a Beidou communication module;
receiving the original information and working state information of the Beidou positioning module and the power management module through the Beidou communication module, and carrying out state detection;
when the working state information of all the modules is non-fault, first short message information generated according to the original information is transmitted to a user side through a Beidou satellite system at a preset transmission rate through the Beidou communication module, so that the user side can process the first short message information through preset resolving software to obtain water level elevation information of a monitoring point;
and when the working state information of any module is a fault, sending second short message information through the Beidou communication module to perform state early warning.
10. A water level measuring system, characterized by comprising the Beidou technology-based water level measuring device, the Beidou satellite system and a user side provided with a Beidou commander as set forth in any one of claims 1 to 7;
the Beidou satellite system is used for sending the first short message information and the second short message information sent by the device to a user side;
the user side is used for receiving the first short message information through the Beidou command machine and processing the first short message information through preset resolving software to obtain water level elevation information of a monitoring point; and receiving the second short message information and determining the working state information of the device.
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