CN214621390U - Precision compensation formula river course water level measurement system - Google Patents
Precision compensation formula river course water level measurement system Download PDFInfo
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- CN214621390U CN214621390U CN202122445574.8U CN202122445574U CN214621390U CN 214621390 U CN214621390 U CN 214621390U CN 202122445574 U CN202122445574 U CN 202122445574U CN 214621390 U CN214621390 U CN 214621390U
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Abstract
The utility model discloses a precision compensation type river channel water level measuring system, which comprises a holding pole, a cross bar, a power supply, a radar water level gauge and a precision compensation device; the holding pole is erected on the dam at two sides of the river channel, one end of the cross rod is fixedly connected above the holding pole, the other end of the cross rod is suspended in the air and horizontally extends to the position above the water surface in the river channel, the radar level gauge is installed at the suspended end of the cross rod, the measuring direction vertically and downwards points to the water surface, the precision compensation device is fixedly connected with the radar level gauge, and the power supply is electrically connected with the radar level gauge and the precision compensation device; the utility model discloses be in the same place triaxial accelerometer and radar water level gauge rigid connection, measure real-time radar water level gauge's amplitude of oscillation through triaxial accelerometer, then in actual measurement, carry out the accuracy through the DSP chip and mend the reduction to radar water level gauge's measuring result, finally obtain not rock the water level measurement data that causes the error because of the horizontal pole.
Description
Technical Field
The utility model belongs to the technical field of the water conservancy monitoring, especially, relate to a precision compensation formula river course water level measurement system.
Background
In the water conservancy industry, the river water level is measured by using a radar type water level gauge, which is a common river water level monitoring scheme. The general method is radar water level gauge, though radar water level gauge can accomplish than high precision, in the in-service use process, rainy season often is the time that the river course water level is most concerned about, nevertheless rainy season often is along with strong wind and heavy rain, can lead to embracing pole and horizontal pole to produce certain amplitude swing to influence the water level and gather the precision. In the prior art, the average value is obtained after multiple sampling in the software level, so that relatively accurate data is obtained. However, such a processing method cannot truly reflect the data of the actual water level in real time. Therefore, a measuring device capable of truly and real-timely reflecting the actual water level is required to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precision compensation formula river course water level measurement system, include: the device comprises a holding pole, a cross bar, a power supply, a radar water level gauge and a precision compensation device; the holding pole is erected on the dam at two sides of the river channel, one end of the cross rod is fixedly connected above the holding pole, the other end of the cross rod is suspended in the air and horizontally extends to the position above the water surface in the river channel, the radar level gauge is installed at the suspended end of the cross rod, the measuring direction vertically and downwards points to the water surface, the precision compensation device is fixedly connected with the radar level gauge, and the power supply is electrically connected with the radar level gauge and the precision compensation device; the precision compensation device is provided with a triaxial accelerometer and a DSP chip, the DSP chip is electrically connected with the triaxial accelerometer and the radar level gauge respectively, and the DSP chip superposes the measurement data of the radar level gauge and the measurement data of the triaxial accelerometer and then conveys the superposed data to a central machine room.
Preferably, the precision compensation device is a groove type, a groove type side wall of the precision compensation device is provided with a power supply interface and a data interface, the three-axis accelerometer and the DSP chip are located in the groove type of the precision compensation device, the power supply is electrically connected with the DSP chip and the three-axis accelerometer through the power supply interface, and the DSP chip is electrically connected with the radar water level gauge and the central machine room through the data interface.
Preferably, the holding pole is further provided with a distribution box and a solar photovoltaic panel, and the distribution box is respectively and electrically connected with the power supply, the solar photovoltaic panel and the precision compensation device; the solar photovoltaic panel can convert solar energy into electric energy to be stored in a power supply in the daytime, and the abundant power supply reserve can be conveniently kept in the field where commercial power cannot be switched on.
Preferably, the model of the DSP chip is TMS320C55 x.
Preferably, the three-axis accelerometer is 3603A 1T.
The utility model has the advantages that:
1. the utility model discloses a be in the same place triaxial accelerometer and radar water level gauge rigid connection, measure real-time radar water level gauge's swing range through triaxial accelerometer, then in actual measurement, carry out accurate correction reduction to radar water level gauge's measuring result through the DSP chip, finally obtain the water level measurement data that do not have the error that causes because of the horizontal pole rocks, moreover the utility model discloses need not like adding and averaging in a time quantum of measuring device in the past, have better real-time performance, consequently, the utility model discloses can carry out true effectual compensation to the error that produces because of the horizontal pole rocks, improve measurement accuracy, can truly, real-time reaction actual water level data;
2. the utility model discloses because can rock the pole and the error that produces carries out true effectual compensation, consequently, the utility model discloses size and the installation accuracy to the horizontal pole do not have too many requirements, the utility model discloses can adapt to the application environment of the various differences of the water level test of water conservancy trade, consequently have more extensive adaptability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a precision compensation type river water level measuring system;
FIG. 2 is a schematic structural diagram of a precision compensation device;
fig. 3 is a flowchart of the precision compensation apparatus.
In the figure, 1, a holding pole; 2. a cross bar; 3. a power source; 4. a radar level gauge; 5. a precision compensation device; 6. a three-axis accelerometer; 7. a DSP chip; 8. a power interface; 9. a data interface; 10. a distribution box; 11. a solar photovoltaic panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-3, the utility model relates to a precision compensation formula river course water level measurement system includes: the device comprises a holding pole 1, a cross bar 2, a power supply 3, a radar water level gauge 4 and a precision compensation device 5; the holding pole 1 is erected on a dam at two sides of a river channel, one end of a cross rod 2 is fixedly connected above the holding pole 1, the other end of the cross rod 2 is suspended in the air and horizontally extends to the position above the water surface in the river channel, a radar water level gauge 4 is installed at the suspended end of the cross rod 2, the measuring direction is vertically and downwards directed to the water surface, a precision compensation device 5 is fixedly connected with the radar water level gauge 4, and a power supply 3 is electrically connected with the radar water level gauge 4 and the precision compensation device 5; the precision compensation device 5 is provided with a triaxial accelerometer 6 and a DSP chip 7, the DSP chip 7 is respectively and electrically connected with the triaxial accelerometer 6 and the radar water level gauge 4, and the DSP chip 7 superposes the measurement data of the radar water level gauge 4 and the measurement data of the triaxial accelerometer 6 and then transmits the superposed data to a central machine room.
Further, precision compensation device 5 is the cell type, and 5 cell type lateral walls of precision compensation device are equipped with power source 8 and data interface 9, and three-axis accelerometer 6, DSP chip 7 are located precision compensation device 5's cell type, and power 3 passes through power source 8 electricity and connects DSP chip 7, three-axis accelerometer 6, and DSP chip 7 passes through data interface 9 electricity and connects radar fluviograph 4 and central computer lab.
Further, a distribution box 10 and a solar photovoltaic panel 11 are further arranged on the holding pole 1, and the distribution box 10 is respectively and electrically connected with the power supply 3, the solar photovoltaic panel 11 and the precision compensation device 5; the solar photovoltaic panel 11 can convert solar energy into electric energy to be stored in the power supply 3 in the daytime, so that the power supply can be kept abundant in the field where the mains supply cannot be switched on.
Further, the model of the DSP chip 7 is TMS320C55 x.
Further, the three-axis accelerometer 6 is 3603A 1T.
Examples
In this embodiment, the core component of the precision compensation type river water level measurement system is a precision compensation device 5, which includes a three-axis accelerometer 6 and a DSP chip 7, and the precision compensation device 5 and the radar level gauge 4 are fixed together and connected (or built-in) through a cable, after the power-on, the precision compensation device 5 can acquire the original acceleration data of the current connection point of the cross bar 2 through the three-axis accelerometer 6 in real time, and since the precision compensation device 5 and the radar level gauge 4 are rigidly connected, the data acquired by the three-axis accelerometer 6 is actually the data equivalent to the real-time swing amplitude of the radar level gauge 4, and then the current swing amplitude information is calculated through the DSP chip 7, so as to calculate the compensation value; then, data superposition is carried out on the real-time water level data transmitted by the radar water level gauge 4, and finally, the accurate actual water level height after accurate correction and reduction is obtained. And finally conveyed to a central machine room through the DSP chip 7.
The specific compensation values are calculated as follows:
according to a physical interpretation, acceleration is the rate of change of the velocity of an object, and velocity is the rate of change of the position of an object. That is, velocity is the derivative of position and acceleration is the derivative of velocity, with integral and derivative being reversed, since acceleration information can be collected by a three-axis accelerometer, the position of an object can be obtained by double integration. Assuming that the initial condition is 0, the DSP chip 7 reads the acceleration output by the three-axis accelerometer 6 in real time and continuously performs an integral operation, thereby calculating a real-time offset of the water level measurement precision compensation device, which is a compensation value required by the radar level gauge 4 to measure a real water level because the precision compensation device 5 is installed with the radar level gauge 4.
When water level information needs to be collected, the data of the radar water level gauge 4 is overlapped with the compensation value output by the precision compensation device 5, and then the real water level value can be obtained.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the present invention.
Claims (5)
1. The utility model provides a precision compensation formula river course water level measurement system which characterized in that includes: the device comprises a holding pole (1), a cross bar (2), a power supply (3), a radar water level gauge (4) and a precision compensation device (5); the holding pole (1) is erected on a dam at two sides of a river channel, one end of the cross rod (2) is fixedly connected above the holding pole (1), the other end of the cross rod (2) is suspended and horizontally extends to the position above the water surface in the river channel, the radar water level gauge (4) is installed at the suspended end of the cross rod (2), the measuring direction of the radar water level gauge is vertically and downwardly directed to the water surface, the precision compensation device (5) is fixedly connected with the radar water level gauge (4), and the power supply (3) is electrically connected with the radar water level gauge (4) and the precision compensation device (5);
precision compensation device (5) are equipped with triaxial accelerometer (6), DSP chip (7) electricity respectively connect triaxial accelerometer (6) and radar fluviograph (4), DSP chip (7) carry to central computer lab after with radar fluviograph (4) measured data and triaxial accelerometer (6) measured data stack.
2. The precision compensation type river channel water level measurement system according to claim 1, wherein the precision compensation device (5) is of a groove type, a groove-shaped side wall of the precision compensation device (5) is provided with a power interface (8) and a data interface (9), the three-axis accelerometer (6) and the DSP chip (7) are located in the groove type of the precision compensation device (5), the power supply (3) is electrically connected with the DSP chip (7) and the three-axis accelerometer (6) through the power interface (8), and the DSP chip (7) is electrically connected with the radar water level gauge (4) and a central machine room through the data interface (9).
3. The accuracy compensation type river channel water level measuring system according to claim 1, wherein a distribution box (10) and a solar photovoltaic panel (11) are further arranged on the holding pole (1), and the distribution box (10) is electrically connected with the power supply (3), the solar photovoltaic panel (11) and the accuracy compensation device (5) respectively.
4. The accuracy compensation type river channel water level measuring system according to claim 1, wherein the model of the DSP chip (7) is TMS320C55 x.
5. An accuracy compensated river water level measurement system according to claim 1 wherein the three axis accelerometer (6) is model 3603 A1T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445574.8U CN214621390U (en) | 2021-10-12 | 2021-10-12 | Precision compensation formula river course water level measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445574.8U CN214621390U (en) | 2021-10-12 | 2021-10-12 | Precision compensation formula river course water level measurement system |
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| Publication Number | Publication Date |
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| CN214621390U true CN214621390U (en) | 2021-11-05 |
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| CN202122445574.8U Active CN214621390U (en) | 2021-10-12 | 2021-10-12 | Precision compensation formula river course water level measurement system |
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2021
- 2021-10-12 CN CN202122445574.8U patent/CN214621390U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A precision compensated river water level measurement system Effective date of registration: 20220526 Granted publication date: 20211105 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN XUNTENG TECHNOLOGY Co.,Ltd. Registration number: Y2022610000280 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230608 Granted publication date: 20211105 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN XUNTENG TECHNOLOGY Co.,Ltd. Registration number: Y2022610000280 |