A ground sensing coil speed measurement system calibration device

Abstract

The present invention relates to the field of metrology and calibration technology, and discloses a ground-sensing coil speed measurement system calibration device, including a ground-sensing coil simulator, a speed generator, a measuring unit, a data recording and analysis system, an information processing and storage device, a control console, a control unit, a calibration device, a power supply system, and a power supply unit. The present invention improves the accuracy of the speed measurement system: the ground-sensing coil speed measurement system calibration device can simulate the situation of a vehicle passing through the ground-sensing coil, and generate signals of different vehicle speeds for testing. By calibrating and calibrating the system, the accuracy of the speed measurement system can be improved, the reliability of the measurement results can be ensured, and the reliability of the speed measurement system can be ensured: the present invention can discover and eliminate potential problems and faults in the system by testing and measuring the ground-sensing coil speed measurement system, which helps to improve the reliability of the speed measurement system, reduce the occurrence of system faults, and ensure its normal operation.

Description

Technical Field

[0001] The invention relates to the technical field of metrology verification, in particular to a verification device for a ground sensing coil speed measurement system. Background Art

[0002] The ground sensing coil speed measurement system is a commonly used vehicle speed measurement technology, which is widely used in traffic management, road safety monitoring and traffic flow statistics. The system is based on the principle of ground sensing coils, and measures the speed of the vehicle by sensing the changes in electromagnetic signals when the vehicle passes through the coils laid on the ground.

[0003] After searching the existing ground sensing coil speed measurement systems, it was found that the calibration is inconvenient and the calibration is inaccurate during calibration. Therefore, a ground sensing coil speed measurement system calibration device is proposed. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a ground sensing coil speed measurement system calibration device, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a ground induction coil speed measurement system calibration device, including a ground induction coil simulator, simulating the signal of a vehicle passing through the ground induction coil, and used to verify the accuracy of the ground induction coil speed measurement system; a speed generator, generating different vehicle speed signals, used to simulate the situation of a car with different speeds passing through the ground induction coil, so as to test the accuracy of the ground induction coil speed measurement system; the speed generator is electrically connected to the ground induction coil simulator; a measuring unit, through measuring the ground induction coil signal simulated by the simulator and the different vehicle speed signals generated by the speed generator, tests and measures the ground induction coil speed measurement system, and obtains the actual speed data of the vehicle; the measuring unit is electrically connected to the ground induction coil simulator by wireless signals, and a data recording and analysis system is used to record and store the data measured by the ground induction coil speed measurement system for subsequent analysis and research, and the data analysis and report generation help users better understand and evaluate the performance of the ground induction coil speed measurement system, thereby further improving the accuracy and reliability of the speed measurement system; the data recording and analysis system is electrically connected to the measuring unit;

[0008] The information processing and storage device is responsible for processing and storing the data generated by the ground sensing coil speed measurement system, which is used to measure and record the speed of the vehicle passing through the ground sensing coil, and save relevant information, including timestamp, vehicle model, and information about the position of the ground sensing coil; the information processing and storage device is electrically connected to the data recording and analysis system; the control console provides a user interface so that the user can control various functions and parameter settings of the ground sensing coil speed measurement system; the console is electrically connected to the information processing and storage device; the control unit controls the actual ground sensing coil simulator and speed generator and other equipment, and monitors the output data of the measurement unit to ensure the operation of the ground sensing coil speed measurement system and the accuracy of the measurement results; the control unit and The control console is electrically connected; the calibration device is used to calibrate the ground sensing coil simulator and the speed generator to ensure that their output signals are accurate and reliable, thereby ensuring the accuracy of the ground sensing coil speed measurement system in actual use environment; the calibration device is electrically connected to the data recording and analysis system; the power supply system provides the necessary power supply for the entire ground sensing coil speed measurement system to ensure the normal operation of each system component; the power supply system is electrically connected to the control unit; the power supply unit manages and distributes the power required for the entire ground sensing coil speed measurement system, provides stable and reliable power, and prevents the data recording and analysis system, measurement unit and other components from being affected by insufficient power supply. The power supply unit is electrically connected to the power supply system.

[0009] Optionally, the ground sensor coil simulator and the speed generator generate signals when a vehicle passes through the ground sensor coil and generate different vehicle speed signals, and then input these signals into the measurement unit for processing.

[0010] Optionally, the measuring unit uses the input signal to perform measurement, and then feeds back the measurement result to the information processing and storage, control unit and display to display the real-time vehicle speed and other status information.

[0011] Optionally, the information processing and storage is responsible for processing and storing the received data, and analyzing it through a data recording and analysis system to determine the accuracy of the speed measurement system.

[0012] Optionally, the console and control unit jointly control the operation and parameter adjustment of the entire speed measurement system. The control unit receives instructions from the console and controls the ground sensing coil simulator and the speed generator, while monitoring the operating status of the measurement system and the output and status information of the measurement unit.

[0013] Optionally, the calibration device is used to calibrate the parameters of the ground sensor coil simulator and the velocity generator to ensure that their output signals are accurate and reliable, and the power supply system and power supply unit provide power for the entire measurement system to ensure its normal operation.

[0014] Optionally, the measuring unit sends the measured vehicle speed data and other related data to the information processing and storage, which is responsible for processing and storing these data, including recording and saving measurement results, timestamps of the vehicle passing through the ground sensor coil, and other information.

[0015] Optionally, the data recording and analysis system receives the data in the information processing and storage device, and can perform data analysis, statistics and generate reports, and perform data processing as needed, including calculating the average vehicle speed and measurement error.

[0016] Optionally, the console is an interface for users to interact with the device, and is used to set the parameters of the speed measurement system, including selecting different analog signals and adjusting the output of the speed generator. Users can control the operation of the entire device through the console and obtain real-time display results and status information from the display. The power supply system provides power to all system components to ensure their normal operation. The power supply unit is responsible for stabilizing and distributing power to meet the power requirements of each component.

[0017] (III) Beneficial effects

[0018] The present invention provides a ground induction coil speed measurement system calibration device, which has the following beneficial effects:

[0019] 1. Improve the accuracy of the speed measurement system: The ground sensor coil speed measurement system verification device can simulate the situation of a vehicle passing through the ground sensor coil and generate signals of different vehicle speeds for testing. By verifying and calibrating the system, the accuracy of the speed measurement system can be improved and the reliability of the measurement results can be ensured.

[0020] 2. Ensure the reliability of the speed measurement system: By testing and measuring the ground sensing coil speed measurement system, potential problems and faults in the system can be discovered and eliminated, which helps to improve the reliability of the speed measurement system, reduce the occurrence of system failures, and ensure its normal operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] In the figure: 1. Power supply unit; 2. Power supply system; 3. Control unit; 4. Control console; 5. Velocity generator; 6. Ground sensing coil simulator; 7. Measuring unit; 8. Calibration device; 9. Data recording and analysis system; 10. Signal processing and storage. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1The present invention provides a technical solution: a ground sensing coil speed measurement system calibration device, including a ground sensing coil simulator, simulating the signal of a vehicle passing through the ground sensing coil, and used to verify the accuracy of the ground sensing coil speed measurement system; a speed generator, generating different vehicle speed signals, used to simulate the situation of a car with different speeds passing through the ground sensing coil, so as to test the accuracy of the ground sensing coil speed measurement system; the speed generator is electrically connected to the ground sensing coil simulator; a measuring unit, through measuring the ground sensing coil signal simulated by the simulator and the different vehicle speed signals generated by the speed generator, tests and measures the ground sensing coil speed measurement system to obtain the actual speed data of the vehicle; the measuring unit is electrically connected to the ground sensing coil simulator by wireless signals, a data recording and analysis system, records and stores the data measured by the ground sensing coil speed measurement system, so as to carry out subsequent analysis and research, and the data analysis and report generation help users better understand and evaluate the performance of the ground sensing coil speed measurement system, so as to further improve the accuracy and reliability of the speed measurement system; the data recording and analysis system is electrically connected to the measuring unit; the information processing and storage device is responsible for processing And store the data generated by the ground-sensing coil speed measurement system, which is used to measure and record the speed of the vehicle passing through the ground-sensing coil, and save relevant information, including timestamp, vehicle model, and information about the position of the ground-sensing coil; the information processing and storage are electrically connected to the data recording and analysis system; the console provides a user interface so that the user can control various functions and parameter settings of the ground-sensing coil speed measurement system; the console is electrically connected to the information processing and storage; the control unit controls the actual ground-sensing coil simulator and speed generator and other equipment, and monitors the output data of the measuring unit at the same time to ensure the operation of the ground-sensing coil speed measurement system and the accuracy of the measurement results; the control unit is electrically connected to the console; the calibration device is used to calibrate the ground-sensing coil simulator and the speed generator to ensure that their output signals are accurate and reliable, thereby ensuring the accuracy of the ground-sensing coil speed measurement system in actual use environments; the calibration device is electrically connected to the data recording and analysis system; the power supply system provides the necessary power supply for the entire ground-sensing coil speed measurement system to ensure the normal operation of each system component; the power supply system is electrically connected to the control unit;The power supply unit manages and distributes the power required by the entire ground-sensing coil speed measurement system, provides stable and reliable power, and prevents the data recording and analysis system, the measuring unit and other components from being affected by insufficient power supply. The power supply unit is electrically connected to the power supply system. The ground-sensing coil simulator and the speed generator generate signals when the vehicle passes through the ground-sensing coil, and generate different vehicle speed signals, and then input these signals into the measuring unit for processing. The measuring unit uses the input signal to measure, and then feeds back the measurement results to the information processing and storage, the control unit and the display to display the real-time vehicle speed and other status information. The information processing and storage are responsible for processing and storing the received data, and analyzing it through the data recording and analysis system to determine the accuracy of the speed measurement system. The console and the control unit jointly control the operation and parameter adjustment of the entire speed measurement system. The control unit receives instructions from the console and controls the ground-sensing coil simulator and the speed generator, while monitoring the operating status of the measurement system and the output and status information of the measurement unit. , the calibration device is used to calibrate the parameters of the ground sensor coil simulator and the speed generator to ensure that their output signals are accurate and reliable. The power supply system and the power supply unit provide power for the entire measurement system to ensure its normal operation. The measurement unit sends the measured vehicle speed data and other related data to the information processing and storage, which is responsible for processing and storing these data, including recording and saving the measurement results, the timestamp of the vehicle passing the ground sensor coil, and other information. The data recording and analysis system receives the data in the information processing and storage, and can perform data analysis, statistics and report generation, and perform data processing as needed, including calculating the average vehicle speed and measurement error. The console is an interface for the user to interact with the device, which is used to set the parameters of the speed measurement system, including selecting different simulation signals and adjusting the output of the speed generator. The user can control the operation of the entire device through the console and obtain the real-time display results and status information from the display. The power supply system provides power to all system components to ensure their normal operation. The power supply unit is responsible for stabilizing and distributing power to meet the power requirements of each component. ;

[0025] The general working process of the ground sensing coil speed measurement system calibration device is as follows:

[0026] 1. The user inputs the measurement parameters through the console, such as selecting different analog signals, adjusting the output of the velocity generator, etc.;

[0027] 2. The console sends the parameters entered by the user to the control unit for processing;

[0028] 3. The control unit receives the instructions sent by the control console, controls the ground sensing coil simulator and the velocity generator, and monitors the output and status information of the measurement unit;

[0029] 4. The ground sensor coil simulator and speed generator are controlled by the control unit to simulate the situation of a vehicle passing through the ground sensor coil and generate different vehicle speed signals;

[0030] 5. The measuring unit receives the vehicle speed signal simulated by the ground sensing coil simulator and the speed generator, and tests and measures the ground sensing coil speed measurement system;

[0031] 6. The measuring unit generates a measurement result and feeds the measurement result back to the information processing and storage, the control unit and the display;

[0032] 7. Information processing and storage receives the measurement results and other status information fed back by the measurement unit, records and stores these data, performs data analysis, statistics and generates reports;

[0033] 8. Users can interact with the ground sensor coil speed measurement system calibration device through the console and data recording and analysis system, and understand the real-time measurement results and status information from the display;

[0034] 9. The calibration device is used to calibrate the parameters of the ground sensing coil simulator and the velocity generator to ensure that their output signals are accurate and reliable;

[0035] 10. The power supply system and power supply unit provide power for the entire ground sensor coil speed measurement system verification device to ensure its normal operation.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ground sensing coil speed measurement system calibration device, characterized in that: include: The ground sensor coil simulator simulates the signal of a vehicle passing through the ground sensor coil to verify the accuracy of the ground sensor coil speed measurement system; The speed generator generates different vehicle speed signals to simulate the situation where cars of different speeds pass through the ground sensing coil, so as to test the accuracy of the ground sensing coil speed measurement system; the speed generator is electrically connected to the ground sensing coil simulator; The measuring unit tests and measures the ground-sensing coil speed measuring system by measuring the ground-sensing coil signal simulated by the simulator and the different vehicle speed signals generated by the speed generator, and obtains the actual speed data of the vehicle; the measuring unit is electrically connected to the ground-sensing coil simulator and wirelessly connected to the ground-sensing coil simulator; A data recording and analysis system records and stores the data measured by the geomagnetic coil speed measurement system for subsequent analysis and research. Data analysis and report generation help users better understand and evaluate the performance of the geomagnetic coil speed measurement system, thereby further improving the accuracy and reliability of the speed measurement system. The data recording and analysis system is electrically connected to the measurement unit; The information processing and storage device is responsible for processing and storing the data generated by the ground sensor coil speed measurement system, which is used to measure and record the speed of the vehicle passing through the ground sensor coil, and save relevant information, including the timestamp, vehicle model, and the position of the vehicle passing through the ground sensor coil; the information processing and storage device is electrically connected to the data recording and analysis system; The control console provides a user interface, allowing the user to control various functions and parameter settings of the ground sensing coil speed measurement system; the control console is electrically connected to the information processing and storage device; The control unit controls the actual ground sensing coil simulator and speed generator and other equipment, and monitors the output data of the measuring unit to ensure the operation of the ground sensing coil speed measurement system and the accuracy of the measurement results; the control unit is electrically connected to the control console; The calibration device is used to calibrate the ground sensing coil simulator and the speed generator to ensure that their output signals are accurate and reliable, thereby ensuring the accuracy of the ground sensing coil speed measurement system in the actual use environment; the calibration device is electrically connected to the data recording and analysis system; The power supply system provides the necessary power supply for the entire ground sensor coil speed measurement system to ensure the normal operation of each system component; the power supply system is electrically connected to the control unit; The power supply unit manages and distributes the power required by the entire ground sensor coil speed measurement system, provides stable and reliable power, and prevents the data recording and analysis system, measurement unit and other components from being affected by insufficient power supply. The power supply unit is electrically connected to the power supply system.

2. A ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The ground sensor coil simulator and the speed generator generate signals when the vehicle passes through the ground sensor coil and generate different vehicle speed signals, and then input these signals into the measurement unit for processing.

3. The ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The measuring unit uses the input signal to perform measurement, and then feeds the measurement result back to the information processing and storage, control unit and display to display the real-time vehicle speed and other status information.

4. The ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The information processing and storage is responsible for processing and storing the received data, and analyzing it through the data recording and analysis system to determine the accuracy of the speed measurement system.

5. The ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The console and control unit jointly control the operation and parameter adjustment of the entire speed measurement system. The control unit receives instructions from the console and controls the ground sensing coil simulator and the speed generator, while monitoring the operating status of the measurement system and the output and status information of the measurement unit.

6. The ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The calibration device is used to calibrate the parameters of the ground sensing coil simulator and the velocity generator to ensure that their output signals are accurate and reliable. The power supply system and the power supply unit provide power for the entire measurement system to ensure its normal operation.

7. The ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The measuring unit sends the measured vehicle speed data and other related data to the information processing and storage, which is responsible for processing and storing these data, including recording and saving the measurement results, the timestamp of the vehicle passing the ground sensor coil, and other information.

8. The ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The data recording and analysis system receives the data in the information processing and storage, can perform data analysis, statistics and generate reports, and perform data processing as needed, including calculating the average vehicle speed and measuring errors.

9. The ground sensing coil speed measurement system calibration device according to claim 1, characterized in that: The console is the interface for users to interact with the device and is used to set the parameters of the speed measurement system, including selecting different analog signals and adjusting the output of the speed generator. Users can control the operation of the entire device through the console and obtain real-time display results and status information from the display. The power supply system provides power to all system components to ensure their normal operation. The power supply unit is responsible for stabilizing and distributing power to meet the power requirements of various components.

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