Data acquisition and control system

Abstract

The invention discloses a bit data acquisition and control system which comprises an FPGA chip, an electric quantity detection module, a digital-analog positioning module, a video stream module, a storage module, a wifi chip, a positioning sensor, a pulse emission source, an analog-digital converter, a first switch and the like. The electric quantity detection module, the digital-analog positioning module, the video stream module, the storage module, the wifi chip, the positioning sensor, the pulse emission source and the analog-digital converter are all electrically connected with the FPGA chip, the signal transmission module is connected with the FPGA chip through a first switch, and the signal receiving module is connected with the FPGA chip through a second switch. The signal receiving module is electrically connected with the signal transmission module through the amplifying circuit; the signal transmission module is electrically connected with the analog-to-digital converter; according to the invention, main function modules lacked in the prior art are perfected, and functions required at the present stage are met; and aiming at a signal receiving module of the whole system, a signal transmission module is optimized, and stable communication and undistorted data are ensured.

Description

Technical Field

[0001] The invention relates to the field of radar control systems, in particular to a data acquisition and control system. Background Art

[0002] The current radar data acquisition and control system has a single function, which is mainly to control the on and off between the power supply and the pulse emission source to meet the demand for low power consumption. Although ground penetrating radar is widely used, the current data acquisition and control system can no longer meet the relevant needs. Summary of the invention

[0003] The purpose of the present invention is to provide an integrated data acquisition and control system, which improves the main functional modules missing in the prior art and meets the functions required at the current stage; and optimizes the signal transmission module for the entire system signal receiving module to ensure stable communication and undistorted data.

[0004] The present invention is implemented through the following technical solutions: a data acquisition and control system, including an FPGA chip, a power detection module, a digital-analog positioning module, a video stream module, a storage module, a wifi chip, a positioning sensor, a pulse transmission source, an analog-to-digital converter, a first switch, a second switch, a signal receiving module, a signal transmission module and an amplifying circuit;

[0005] The power detection module is electrically connected to the FPGA chip to detect the power of the device that powers the FPGA chip;

[0006] The digital-analog positioning module and the positioning sensor are electrically connected to the FPGA chip. The FPGA chip controls the digital-analog positioning module and the positioning sensor and performs data exchange. The digital-analog positioning module combines the data of the positioning sensor to perform high-precision positioning.

[0007] The video stream module and the storage module are electrically connected to the FPGA chip, and the FPGA chip controls the video stream module and stores the video data in the storage module;

[0008] The wifi chipset is electrically connected to the FPGA chip, and the FPGA chip receives the control signal of the WIFI chip to realize the wireless communication work of controlling the transmission of data and issuing commands;

[0009] The pulse emission source is electrically connected to the FPGA chip, and the FPGA chip generates a PWM signal as an initial signal of the pulse emission source and controls its power supply;

[0010] The analog-to-digital converters are electrically connected to the FPGA chips respectively;

[0011] The signal transmission module is connected to the FPGA chip through a first switch, the signal receiving module is connected to the FPGA chip through a second switch, and the signal receiving module is electrically connected to the signal transmission module through an amplifying circuit;

[0012] The signal transmission module is electrically connected to the analog-to-digital converter; the FPGA chip controls the analog-to-digital converter to collect data; wherein, data collection is divided into two sections, the first section is when the signal receiving module receives a strong signal, the first switch and the second switch allow the strong signal to be conducted all the way through the signal transmission module directly, so that the analog-to-digital converter can collect the data; the second section is when the signal receiving module receives a weak signal, the first switch and the second switch are controlled, so that the weak signal is amplified by the amplifier circuit and then collected by the analog-to-digital converter.

[0013] Compared with the previous technology, the beneficial effects of the present invention are:

[0014] 1. Improved the main functional modules missing from existing technologies to meet the current needs of ground penetrating radar in different application scenarios.

[0015] 2. The signal transmission module has been optimized to ensure stable communication and undistorted data. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a system connection diagram of the present invention. DETAILED DESCRIPTION

[0017] The present invention is described in detail below in conjunction with the accompanying drawings:

[0018] like Figure 1 As shown, the data acquisition and control system includes an FPGA chip, a power detection module, a digital-analog positioning module, a video stream module, a storage module, a wifi chip, a positioning sensor, a pulse transmitting source, an analog-to-digital converter, a first switch, a second switch, a signal receiving module, a signal transmission module, and an amplifying circuit;

[0019] The power detection module is electrically connected to the FPGA chip to detect the power of the device that powers the FPGA chip;

[0020] The digital-analog positioning module and the positioning sensor are electrically connected to the FPGA chip. The FPGA chip controls the digital-analog positioning module and the positioning sensor and performs data exchange. The digital-analog positioning module combines the data of the positioning sensor to perform high-precision positioning.

[0021] The video stream module and the storage module are electrically connected to the FPGA chip, and the FPGA chip controls the video stream module and stores the video data in the storage module;

[0022] The wifi chipset is electrically connected to the FPGA chip, and the FPGA chip receives the control signal of the WIFI chip to realize the wireless communication work of controlling the transmission of data and issuing commands;

[0023] The pulse emission source is electrically connected to the FPGA chip, and the FPGA chip generates a PWM signal as an initial signal of the pulse emission source and controls its power supply;

[0024] The analog-to-digital converters are electrically connected to the FPGA chips respectively;

[0025] The signal transmission module is connected to the FPGA chip through a first switch, the signal receiving module is connected to the FPGA chip through a second switch, and the signal receiving module is electrically connected to the signal transmission module through an amplifying circuit;

[0026] The signal transmission module is electrically connected to the analog-to-digital converter; the FPGA chip controls the analog-to-digital converter to collect data; wherein, data collection is divided into two sections, the first section is when the signal receiving module receives a strong signal, the first switch and the second switch allow the strong signal to be conducted all the way through the signal transmission module directly, so that the analog-to-digital converter can collect the data; the second section is when the signal receiving module receives a weak signal, the first switch and the second switch are controlled, so that the weak signal is amplified by the amplifier circuit and then collected by the analog-to-digital converter.

[0027] The FPGA chip mentioned above is the core of this case. The entire data acquisition and control system is controlled and data exchanged by the FPGA chip. The integrated system can achieve the following functions.

[0028] The FPGA chip controls the analog-to-digital converter to collect data; wherein, data collection is divided into two sections. The first section is when the signal receiving module receives a strong signal, the first switch and the second switch allow the strong signal to pass directly through the signal transmission module, so that the analog-to-digital converter can collect the data; the second section is when the signal receiving module receives a weak signal, the first switch and the second switch are controlled to allow the weak signal to be amplified by the amplifier circuit and then collected by the analog-to-digital converter.

[0029] Secondly, the positioning sensor is a centimeter-level positioning sensor. The travel distance is measured by selecting a high-precision positioning sensor, and then the FPGA chip processes the collected data.

[0030] The WIFI chip is a WIFI chip that supports 5.8G and multiple antennas. By selecting a WIFI chip that supports 5.8G and multiple antennas to meet high throughput communication, the FPGA chip controls the WIFI chip to control the transmission of data and the issuance of commands and other wireless communication tasks.

[0031] The digital-analog positioning module selects a digital-analog positioning module such as Beidou navigation or GPS navigation, and combines it with a centimeter-level positioning sensor to perform high-precision positioning of the data, which is controlled and interacted with by an FPGA chip.

[0032] The video stream module supports 1080p video. The FPGA chip controls the video stream module and performs data interaction and storage.

[0033] In addition, the analog-to-digital converter inside the FPGA chip is used to detect the battery voltage to determine the battery power. The FPGA chip generates a PWM signal as the initial signal of the pulse transmitter and controls its power supply.

[0034] The FPGA chip communicates with the storage module, and the data information collected by the FPGA chip is stored in the storage module.

[0035] Through the above operating logic, the functions required by the ground penetrating radar are met, the communication of the entire system is stable, and the data is not distorted.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Data acquisition and control system, characterized by: It includes an FPGA chip, a power detection module, a digital-analog positioning module, a video stream module, a storage module, a wifi chip, a positioning sensor, a pulse transmitting source, an analog-to-digital converter, a first switch, a second switch, a signal receiving module, a signal transmission module and an amplifying circuit; The power detection module is electrically connected to the FPGA chip to detect the power of the device that powers the FPGA chip; The digital-analog positioning module and the positioning sensor are electrically connected to the FPGA chip. The FPGA chip controls the digital-analog positioning module and the positioning sensor and performs data exchange. The digital-analog positioning module combines the data of the positioning sensor to perform high-precision positioning. The video stream module and the storage module are electrically connected to the FPGA chip, and the FPGA chip controls the video stream module and stores the video data in the storage module; The wifi chipset is electrically connected to the FPGA chip, and the FPGA chip receives the control signal of the WIFI chip to realize the wireless communication work of controlling the transmission of data and issuing commands; The pulse emission source is electrically connected to the FPGA chip, and the FPGA chip generates a PWM signal as an initial signal of the pulse emission source and controls its power supply; The analog-to-digital converters are electrically connected to the FPGA chips respectively; The signal transmission module is connected to the FPGA chip through a first switch, the signal receiving module is connected to the FPGA chip through a second switch, and the signal receiving module is electrically connected to the signal transmission module through an amplifying circuit; The signal transmission module is electrically connected to the analog-to-digital converter; the FPGA chip controls the analog-to-digital converter to collect data; wherein, data collection is divided into two sections, the first section is when the signal receiving module receives a strong signal, the first switch and the second switch allow the strong signal to be conducted all the way through the signal transmission module directly, so that the analog-to-digital converter can collect the data; the second section is when the signal receiving module receives a weak signal, the first switch and the second switch are controlled, so that the weak signal is amplified by the amplifier circuit and then collected by the analog-to-digital converter.

2. The data acquisition and control system according to claim 1, characterized in that: The WIFI chip is a WIFI chip that supports 5.8G and multiple antennas.

3. The data acquisition and control system according to claim 1, characterized in that: The digital positioning module is Beidou navigation or GPS navigation.

4. The data acquisition and control system according to claim 1, characterized in that: The video stream module is a video module that supports 1080p.

5. The data acquisition and control system according to claim 1, characterized in that: The positioning sensor is a centimeter-level positioning sensor.

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