CN217900976U - Error test system of radar water level gauge - Google Patents
Error test system of radar water level gauge Download PDFInfo
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- CN217900976U CN217900976U CN202222316263.6U CN202222316263U CN217900976U CN 217900976 U CN217900976 U CN 217900976U CN 202222316263 U CN202222316263 U CN 202222316263U CN 217900976 U CN217900976 U CN 217900976U
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- level gauge
- water level
- radar
- wireless transmission
- infrared distance
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Abstract
The application discloses an error testing system of a radar water level gauge, which comprises at least one radar water level gauge, at least one laser infrared distance meter, a metal plate, a remote control trolley, a stepping motor, wireless transmission equipment, a motor controller, a power supply and a computer terminal, wherein the wireless transmission equipment transmits data measured by the radar water level gauge and the laser infrared distance meter to the computer terminal; the motor controller is used for receiving signals of the wireless transmission equipment and outputting pulse signals to control the stepping motor to rotate; and the computer terminal is provided with calibration software which is in communication connection with the wireless transmission equipment and is used for receiving the measurement data of the radar water level gauge and the infrared laser range finder and calculating errors. The method and the device rely on the stepping motor controller and the stepping motor, and can realize automatic distance testing and automatically calculate the error value by means of wireless transmission equipment and computer terminal calibration software.
Description
Technical Field
The application relates to an error test of distance measuring equipment, in particular to an error test system of a radar water level gauge.
Background
A radar level gauge, which is an electronic device for detecting a target using electromagnetic waves; the measurement principle of the radar level gauge is that radar pulses (namely radar electromagnetic waves) are transmitted from a radar level sensing antenna, the antenna receives the pulses reflected from the water surface, and the time T is recorded, and the distance D to the water surface is obtained because the propagation speed C of the electromagnetic waves is a constant.
In a high-precision radar ranging system, error correction is usually required to be carried out on measurement data of a radar water level gauge, and the premise of correcting the error is that an error value needs to be known and needs to be measured through an error testing device.
Among the prior art, the error testing arrangement of radar water level gauge fixes laser infrared distance meter and radar water level gauge on the dolly, thereby through artifical many times moving the dolly error data of surveying different positions, the unable accurate positioning of distance that the manual work removed needs artifical record data and calculation error moreover, whole in-process, and cost of labor and time are with great costs.
Disclosure of Invention
In order to solve the problems in the prior art, the application provides an error testing system of a radar water level gauge, which can realize automatic distance testing and automatically calculate an error value by means of a stepping motor controller, a stepping motor and a remote control trolley and by means of wireless transmission equipment and computer terminal calibration software; the technical scheme is as follows:
an error test system of radar water level gauge, includes at least one radar water level gauge, at least one laser infrared distance meter, metal sheet, the metal sheet is used for as the measuring target, still includes:
the remote control trolley is used for bearing the radar water level gauge and the laser infrared distance meter;
the stepping motor is used for driving the remote control trolley to move in the direction vertical to the plane of the metal plate;
the wireless transmission equipment is in communication connection with the radar water level gauge and the laser infrared distance meter and transmits data measured by the radar water level gauge and the laser infrared distance meter to a computer terminal;
the motor controller is used for receiving the signal of the wireless transmission equipment and outputting a pulse signal to control the stepping motor to rotate;
the power supply is used for supplying power to the infrared laser range finder, the wireless transmission equipment, the radar water level gauge, the stepping motor and the motor controller;
the computer terminal is provided with calibration software which is in communication connection with the wireless transmission equipment and is used for receiving the measurement data of the radar water level gauge and the infrared laser range finder and calculating errors; and sends instructions to the wireless transmission device.
The radar water level gauge and the laser infrared distance meter are arranged on a first mounting surface of the remote control trolley, and the first mounting surface is parallel to the metal plate.
Preferably, the error testing system of the radar water level gauge further comprises a guide rail, and the direction of the guide rail is perpendicular to the plane of the metal plate; the guide rail is used for providing a guiding function for the moving direction of the remote control trolley; namely, the remote control car moves along the guide rail.
Further preferably, the lower end of the remote control trolley is provided with a movable roller, and the guide rail is provided with a guide groove matched with the movable roller.
Preferably, the wireless transmission equipment comprises a 485-to-WIFI module, and the 485-to-WIFI module is adopted to improve the transmission speed.
Preferably, the power supply is a 48v rechargeable lithium battery.
Preferably, the number n of the laser infrared distance meters is 2-5, and the number m of the radar water level meters is more than or equal to 2.
The number of the laser infrared distance meters is multiple, the data measured by the laser infrared distance meters are arranged from small to large, if the difference value between the maximum value and the minimum value is not more than 1cm, the average value of the data measured by the laser infrared distance meters is used as a standard value, and the error of the data measured by the radar water level meter is calculated; if the difference between the maximum and minimum exceeds 1cm, the data of the point is re-measured.
The application error test system of radar water level gauge be applicable to the test of a plurality of radar water level gauge's error simultaneously, improved the efficiency of test.
Preferably, the radar water level gauge and the laser infrared distance meter are fixed on the remote control trolley through a mounting tool, the radar water level gauge and the laser infrared distance meter are fixed on a second mounting surface of the mounting tool, and the second mounting surface is parallel to the metal plate.
The working principle is as follows: the remote control trolley is placed on a guide rail, a radar water level gauge and a laser infrared distance meter are fixed on an installation tool of the remote control trolley, the radar water level gauge and the laser infrared distance meter are in communication connection with computer terminal calibration software through wireless transmission equipment (such as a 485-to-WIFI module), during work, a plurality of point positions where the remote control trolley moves are set, instructions are sent to the wireless transmission equipment through the computer terminal calibration software, the wireless transmission equipment sends signals to a motor controller, the motor controller controls the working state of the remote control trolley through a stepping motor, the radar water level gauge is opened after one point position is reached, a port of the laser infrared distance meter is used for measuring distance, the distance value is transmitted to the computer terminal calibration software through the wireless transmission equipment, errors of the laser distance meter and the water level meter are calculated, and after calculation is completed, the trolley automatically moves to the next point position until the whole test instruction is completed.
The beneficial effect of this application:
the method and the device can realize automatic distance test and automatically calculate error values by means of a stepping motor controller, a stepping motor and a remote control trolley and by means of wireless transmission equipment and computer terminal calibration software;
the application error test system of radar water level gauge be applicable to the test of a plurality of radar water level gauge's error simultaneously, improved the efficiency of test.
Drawings
FIG. 1 is a schematic diagram showing the structure of a first angle of an error testing system (without a metal plate, a radar level gauge, a computer terminal, a wireless transmission device, a stepping motor controller and a power supply) for a radar level gauge according to the present application;
FIG. 2 is a schematic diagram showing a second angle of the error testing system (without metal plate, radar level gauge, computer terminal, wireless transmission device, step motor controller, power supply) for radar level gauge according to the present application;
FIG. 3 is a schematic diagram showing the structure of an error testing system (without a metal plate, a radar level gauge, a computer terminal, a wireless transmission device, a stepping motor controller, and a power supply) for a radar level gauge according to the present application from a third perspective;
fig. 4 is a schematic structural diagram of an error testing system (without a radar level gauge, a computer terminal, a wireless transmission device, a stepping motor controller and a power supply) of the radar level gauge.
In the figure: 1. the remote control trolley comprises 101 a moving roller, 2 a mounting tool, 3 a stepping motor, 4 a laser infrared distance meter, 5 a metal plate, 6 a radar water level gauge mounting area, 7 a mounting surface II.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings of the present application, and it is obvious that the embodiments described in the present application are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.
With reference to fig. 1 to 4, embodiment 1 of the present application provides an error testing system for a radar level gauge, including at least one radar level gauge, at least one laser infrared distance meter, and a metal plate 5, where the metal plate is used as a target object for measurement, and further includes:
remotely controlling the trolley 1;
the mounting tool 2 is fixed on the remote control trolley 1 and used for bearing and bearing the radar water level gauge and the laser infrared distance meter 4;
the stepping motor 3 is used for driving the remote control trolley 1 to move in the direction vertical to the plane of the metal plate 5;
the wireless transmission equipment is in communication connection with the radar water level gauge and the laser infrared distance meter and transmits data measured by the radar water level gauge and the laser infrared distance meter to a computer terminal;
the motor controller is used for receiving the signal of the wireless transmission equipment and outputting a pulse signal to control the stepping motor to rotate;
the power supply is used for supplying power to the infrared laser range finder 4, the wireless transmission equipment, the radar water level gauge, the stepping motor 3 and the motor controller;
the computer terminal is provided with calibration software, and the computer terminal calibration software is in communication connection with the wireless transmission equipment and is used for receiving the measurement data of the radar water level gauge and the infrared laser range finder and calculating errors; and sending instructions to the wireless transmission device; the calibration software can be provided by Wuxi navigation science and technology company, and is named as laser measurement precision calibration software;
the direction of the guide rail is vertical to the plane of the metal plate 5; the guide rail is used for providing a guiding function for the moving direction of the remote control trolley 1; namely, the remote control trolley moves along the guide rail;
the radar water level gauge and the laser infrared distance meter 4 are arranged on a first mounting surface of the remote control trolley 1, and the first mounting surface is parallel to the metal plate.
The lower end of the remote control trolley 1 is provided with a movable roller 101, and the guide rail is provided with a guide groove matched with the movable roller 101.
The wireless transmission equipment comprises a 485-to-WIFI module, and the transmission speed can be increased by adopting the 485-to-WIFI module.
The power supply is a 48v rechargeable lithium battery.
The number n of the laser infrared distance meters is 2-5, and the number m of the radar water level meters is more than or equal to 2.
The radar water level gauge and the laser infrared range finder are fixed on the remote control trolley through an installation tool, the radar water level gauge and the laser infrared range finder are fixed on a second installation surface 7 of the installation tool, and the second installation surface 7 is parallel to the metal plate
Referring to fig. 1, in this embodiment, the number of the laser infrared distance measuring devices is 3, the laser infrared distance measuring devices are distributed on two sides and the lower side of the installation tool, the radar level gauges can be distributed in a radar level gauge installation area 6 on the installation tool in a matrix arrangement mode, and the second installation surface 7 is parallel to the plane where the metal plate is located.
The number of the laser infrared distance meters is multiple, the data measured by the laser infrared distance meters are arranged from small to large, if the difference value between the maximum value and the minimum value is not more than 1cm, the average value of the data measured by the laser infrared distance meters is used as a standard value, and the error of the data measured by the radar water level meter is calculated; if the difference between the maximum and minimum exceeds 1cm, the data of the point is re-measured.
The application the error test system of radar water level gauge be applicable to the test of a plurality of radar water level gauge's error simultaneously, improved the efficiency of test.
The working principle is as follows: the remote control trolley is placed on a guide rail, a radar water level gauge and a laser infrared distance meter are fixed on an installation tool of the remote control trolley, the radar water level gauge and the laser infrared distance meter are in communication connection with computer terminal calibration software through wireless transmission equipment (such as a 485-to-WIFI module), during work, a plurality of point positions where the remote control trolley moves are set, instructions are sent to the wireless transmission equipment through the computer terminal calibration software, the wireless transmission equipment sends signals to a motor controller, the motor controller controls the working state of the remote control trolley through a stepping motor, the radar water level gauge is opened after one point position is reached, a port of the laser infrared distance meter is used for measuring distance, the distance value is transmitted to the computer terminal calibration software through the wireless transmission equipment, errors of the laser distance meter and the water level meter are calculated, and after calculation is completed, the trolley automatically moves to the next point position until the whole test instruction is completed.
Claims (7)
1. The utility model provides an error test system of radar water level gauge, its characterized in that includes at least one radar water level gauge, at least one laser infrared distance meter, metal sheet, the metal sheet is used for as the measuring target, still includes:
the remote control trolley is used for bearing the radar water level gauge and the laser infrared distance meter;
the stepping motor is used for driving the remote control trolley to move in the direction vertical to the plane of the metal plate;
the wireless transmission equipment is in communication connection with the radar water level gauge and the laser infrared distance meter and transmits data measured by the radar water level gauge and the laser infrared distance meter to a computer terminal;
the motor controller is used for receiving the signal of the wireless transmission equipment and outputting a pulse signal to control the stepping motor to rotate;
the power supply is used for supplying power to the laser infrared distance meter, the wireless transmission equipment, the radar water level gauge, the stepping motor and the motor controller;
the computer terminal is provided with calibration software which is in communication connection with the wireless transmission equipment and is used for receiving the measurement data of the radar water level gauge and the laser infrared distance meter and calculating errors; and sending instructions to the wireless transmission device;
the radar water level gauge and the laser infrared distance meter are arranged on a first mounting surface of the remote control trolley, and the first mounting surface is parallel to the metal plate.
2. The error testing system of the radar level gauge according to claim 1, further comprising a guide rail, wherein the direction of the guide rail is perpendicular to the plane of the metal plate, and the remote control car moves along the guide rail.
3. The error testing system of the radar level gauge according to claim 2, wherein the remote control car is provided at a lower end thereof with a moving roller, and the guide rail is provided with a guide groove engaged with the moving roller.
4. The error testing system of the radar level gauge according to claim 1, wherein the wireless transmission device comprises a 485-to-WIFI module.
5. The error testing system of the radar level gauge according to claim 1, wherein the power supply is a 48v rechargeable lithium battery.
6. The error testing system of the radar level gauge according to claim 1, wherein the number n of the laser infrared distance meters is 2-5, and the number m of the radar level gauges is greater than or equal to 2.
7. The system for testing the error of the radar water level gauge according to claim 1, wherein the radar water level gauge and the laser infrared distance meter are fixed on the remote control trolley through a mounting tool, the radar water level gauge and the laser infrared distance meter are fixed on a second mounting surface of the mounting tool, and the second mounting surface is parallel to the metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316263.6U CN217900976U (en) | 2022-09-01 | 2022-09-01 | Error test system of radar water level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316263.6U CN217900976U (en) | 2022-09-01 | 2022-09-01 | Error test system of radar water level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217900976U true CN217900976U (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222316263.6U Active CN217900976U (en) | 2022-09-01 | 2022-09-01 | Error test system of radar water level gauge |
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| Country | Link |
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| CN (1) | CN217900976U (en) |
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2022
- 2022-09-01 CN CN202222316263.6U patent/CN217900976U/en active Active
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