Pollutant detection device for evaluating influence of soil environment

Abstract

The invention relates to the technical field of soil environment detection, in particular to a pollutant detection device for soil environment influence evaluation, which comprises a main body machine, a multi-section probe and a trapezoidal sampling device, and the probe is quickly assembled with an annular groove at the bottom of the main body machine through a threaded lantern ring; a multi-frequency-band electromagnetic sensor array is integrated in the device to achieve multi-depth synchronous detection of pollutants, the sampling device carries a layered identification system through an angle-adjustable trapezoidal frame and is matched with a conical puncture head to achieve layer sequence collection of soil samples, and a main machine is integrated with a main control system containing a signal amplifier. Electromagnetic detection data and volatile organic compound data of the gas detector can be synchronously processed, the technical problems that the detection depth of traditional equipment is limited and samples are mixed are solved through probe modular design, and the device has the functions of multi-parameter synchronous detection, self-adaptive stratum penetration and intelligent data fusion. And the operation efficiency and the detection precision of pollution evaluation are remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of soil environment detection, specifically a pollutant detection device for soil environment impact assessment. BACKGROUND

[0002] Traditional soil pollution detection methods mainly rely on laboratory analysis, which has problems such as long detection period, high cost, complex operation, etc., and is difficult to meet the needs of large-scale, real-time monitoring. In addition, existing portable detection equipment usually has single function, can only detect a certain type of pollutant or physical parameter, and cannot provide comprehensive soil environment impact assessment.

[0003] Problems of the Prior Art

[0004] Low detection efficiency: Traditional laboratory analysis method needs to collect samples and then bring them back to the laboratory for processing and analysis, which takes a long time and cannot quickly obtain the detection results, which is not conducive to timely taking remediation measures.

[0005] High cost: Laboratory analysis not only needs professional equipment and technical personnel, but also consumes a large amount of chemical reagents and other resources, increasing the detection cost.

[0006] Single function: Most existing portable detection equipment can only detect specific types of pollutants (such as heavy metals or organic matter), lacks the ability to detect multiple pollutants at the same time, and cannot comprehensively evaluate soil pollution conditions.

[0007] Data management is not convenient: Traditional detection equipment usually does not have data storage and processing function, and the detection results need to be recorded manually, which is easy to make errors and is not conducive to subsequent data analysis and report generation.

[0008] Air pollution monitoring is missing: When detecting soil pollution, the monitoring of volatile organic compounds (VOCs) and other harmful gases in the air is often ignored, but these gases can also cause pollution to soil and groundwater. SUMMARY

[0009] (I) Technical problems solved

[0010] In view of the deficiencies of the prior art, the present application provides a pollutant detection device for soil environment impact assessment.

[0011] (II) Technical solutions

[0012] In order to achieve the above object, the present application provides the following technical scheme: the pollutant detection device for soil environmental impact assessment of the present application, including main machine, detection needle and sampling device, the detection needle is installed at the bottom of the main machine, the sampling device is installed at the side of the detection needle, a plurality of electromagnetic sensors are arranged on the detection needle, a display screen, a main controller and a power module are arranged on the main machine, the main controller and the power module are integrated in the main machine, the display screen is installed on the outside of the main machine, the main controller is electrically connected with the power module and the display screen, and a data processor and a storage unit are integrated on the main controller.

[0013] Preferably, the side of the detection needle is provided with a mounting bracket, a plurality of mounting holes are arranged on the mounting bracket, the sampling device is a trapezoidal frame, a trapezoidal groove is arranged in the trapezoidal frame, and a plurality of fixing bolts are penetrated through the trapezoidal frame and connected with the trapezoidal groove through a threaded structure.

[0014] Further preferably, a plurality of hooks are arranged in the trapezoidal groove.

[0015] Again preferably, the detection needle is provided with a plurality of sections, the electromagnetic sensors are installed at the bottom end of the detection needle, the bottom end of the detection needle is provided with a data transmission connector one and a power connector one, and the top of the detection needle is provided with a power interface and a data transmission interface.

[0016] Preferably, the power interface is electrically connected with the electromagnetic sensors and the power interface, and the data transmission connector one and the electromagnetic sensors are electrically connected with the data transmission interface.

[0017] Further preferably, a conical head is arranged, a threaded groove is arranged on the conical head, and the conical head is connected with the detection needle through a threaded cap.

[0018] Again preferably, a threaded sleeve ring is sleeved on the top of the detection needle through a threaded structure, the bottom of the main machine is provided with a power connector two and a data transmission connector two, the power connector two and the output transmission connector two are adapted to the power interface and the data transmission interface, and the main controller is electrically connected with the power connector two.

[0019] Preferably, the bottom of the main machine is provided with an annular groove, and the threaded sleeve ring of the detection needle is connected with the annular groove through a threaded structure.

[0020] Further preferably, a signal amplifier is integrated on the controller, and the signal amplifier is electrically connected with the data transmission connector two and the main controller.

[0021] Again preferably, a gas detector is arranged on the top of the main machine, and the gas detector is electrically connected with the controller.

[0022] (Three) beneficial effects

[0023] Compared with the prior art, the soil environment impact assessment pollutant detection device has the following beneficial effects:

[0024] By integrating multiple sensors and intelligent analysis systems, rapid and accurate detection of multiple pollutants in soil is achieved. The detection needle is designed in multiple sections, each equipped with an electromagnetic sensor, which can monitor soil conductivity and humidity physical parameters in real time and communicate efficiently with the main controller through data transmission connectors. The sampling device is designed with a trapezoidal frame for easy replacement and maintenance, and the internal hooks increase flexibility. The main machine is equipped with a display screen and a powerful data processor to support on-site data analysis and storage, greatly improving work efficiency. The conical head design makes the detection needle easy to insert into the soil, and the threaded collar at the top ensures stable connection. In addition, the gas detector on the top of the main machine can simultaneously monitor volatile organic compounds (VOCs) and other harmful gases in the air, providing comprehensive environmental impact assessment. The signal amplifier enhances data transmission stability, ensuring the accuracy of detection results. The overall design is compact and portable, easy to operate, suitable for various complex environments, significantly improving the efficiency and reliability of soil pollution detection, and providing strong technical support for environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a split structure diagram of the main machine and the detection needle of the application;

[0026] Figure 2 It is a split structure diagram of the main machine and the detection needle of the application;

[0027] Figure 3 It is a split structure diagram of the main machine and the detection needle of the application;

[0028] Figure 4 It is a split structure diagram of the main machine and the detection needle of the application;

[0029] In the figure: 1, main machine; 2, detection needle; 3, sampling device; 4, conical head; 5, display screen; 6, electromagnetic sensor; 7, gas detector; 8, trapezoidal frame; 9, trapezoidal groove; 10, hook; 11, threaded collar; 12, data transmission interface; 13, power interface; 14, mounting bracket; 15, data transmission connector one; 16, power connector one; 17, annular groove; 18, data transmission connector two; 19, power connector two; 20, main controller; 21, power module; 22, signal amplifier. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0031] Please refer to Figures 1-3 The soil environmental impact assessment pollutant detection device of the present application comprises a main machine 1, a detection needle 2, and a sampling device 3. The detection needle 2 is installed at the bottom of the main machine 1. The sampling device 3 is installed at the side of the detection needle 2. A plurality of electromagnetic sensors 6 are arranged on the detection needle 2. A display screen 5, a main controller 20, and a power module 21 are arranged on the main machine 1. The main controller 20 and the power module 21 are integrated in the interior of the main machine 1. The display screen 5 is installed on the exterior of the main machine 1. The main controller 20 is electrically connected with the power module 21 and the display screen 5. The main controller 20 is integrated with a data processor and a storage unit.

[0032] The soil environmental impact assessment pollutant detection device aims to realize rapid and accurate detection of various pollutants in soil by integrating various sensors and intelligent analysis systems. The working principle of the device and the working principle of each preferred technical solution are as follows.

[0033] Detection needle 2: The detection needle 2 is one of the core components of the entire device, which is used for inserting into soil and collecting data. A plurality of electromagnetic sensors 6 are arranged on the detection needle 2, which can monitor the electrical conductivity, humidity, and other physical parameters in the soil in real time, and transmit these information to the main controller 20 for processing.

[0034] Sampling device 3: The sampling device 3 installed at the side of the detection needle 2 is used to collect soil samples for further laboratory analysis. The sampling device 3 is designed in a trapezoidal frame 8, which is internally provided with a trapezoidal groove 9, and is connected with the trapezoidal frame 8 through fixing bolts, facilitating replacement and maintenance.

[0035] Main controller 20: The main controller 20 is integrated in the interior of the main machine 1, which is responsible for receiving data from the detection needle 2 and analyzing through the built-in data processor. The processed data can be stored in the storage unit or displayed to the user through the display screen 5.

[0036] The main controller 20 in the technical solution can use related devices with mature application technology, such as STM32 series embedded microcontrollers and Honeywell XCD Gas Detector series special gas detection controllers.

[0037] Power module 21: The power module 21 supplies power to the entire system to ensure the normal operation of each component.

[0038] The power module 21 adopts a mature lithium battery and can be powered by connecting a capacitor device.

[0039] Design of multi-section detection needle 2

[0040] The detection needle 2 is divided into several sections, each section containing one or more electromagnetic sensors 6 located at the bottom end of the detection needle 2. Each sensor is connected to the adjacent section through a data transmission connector 15 and a power connector 16, and the top is provided with a power interface 13 and a data transmission interface 12 for convenient communication with other components.

[0041] The bottom of the detection needle 2 is equipped with a conical head 4 connected to the detection needle 2 through a threaded cap for easy insertion into the soil. The top is equipped with a threaded collar 11 through a threaded structure, connected to the annular groove 17 at the bottom of the main body 1 to ensure stability.

[0042] Principle of electromagnetic sensor detection

[0043] The electromagnetic sensor 6 is based on the principle of electromagnetic induction, which detects the change of dielectric constant by emitting specific frequency electromagnetic waves and coupling with heavy metals / organic matter in the soil. The data processor analyzes the type and concentration of pollutants by frequency spectrum analysis method to realize non-destructive in-situ detection.

[0044] Signal amplification and transmission

[0045] The main body 1 is provided with a power connector 19 and a data transmission connector 18 at the bottom, which are respectively matched with the power interface 13 and the data transmission interface 12 on the detection needle 2. The main controller 20 obtains power through the power connector 19 and receives data sent by the detection needle 2 through the data transmission connector 18.

[0046] The controller is integrated with a signal amplifier 22 to enhance the weak signal from the detection needle 2 and ensure the stability and accuracy of data transmission.

[0047] The signal amplifier 22 in this technical solution can use a mature related device, such as an isolation amplifier of AMC1311 series, an analog front end (AFE) chip of LMP91000 series or AD7793 series.

[0048] Design of sampling device 3

[0049] The sampling device 3 is a ladder-shaped frame 8 with a ladder-shaped groove 9 inside connected to the ladder-shaped frame 8 by fixing bolts. The ladder-shaped groove 9 is provided with a hook 10 which can be used to hang different types of sampling tools such as soil samplers or sample bags for easy on-site operation.

[0050] Gas detector 7

[0051] The main machine 1 top configuration with gas detector 7, for detecting volatile organic compounds (VOCs) or other harmful gases in the air. Gas detector 7 is directly connected with the controller, can monitor and record air quality data in real time.

[0052] The combination of gas detector 7 and electromagnetic sensor 6 can generate a comprehensive soil environmental pollution impact assessment report. This report not only covers the physical and chemical parameters in the soil, but also includes the concentration of harmful gases in the air;

[0053] Multi-dimensional analysis:

[0054] The fusion of soil and gas data forms a comprehensive environmental impact assessment model.

[0055] Consider the interaction between soil pollutants and atmospheric pollutants, such as some volatile organic compounds may exist in the soil and released into the air.

[0056] Assess the potential risk of soil pollution to groundwater and surrounding ecological environment.

[0057] Risk assessment:

[0058] According to the type and concentration of pollutants, calculate the degree of influence on human health and ecological system.

[0059] Use geographic information system (GIS) technology to draw a map of pollutant distribution, intuitive display of pollution area and severity.

[0060] Report generation

[0061] Format and content:

[0062] The report should include the following parts:

[0063] Project overview: briefly introduce the background, purpose and basic information of the detection site.

[0064] Detection method: detailed description of the use of instruments and equipment, detection index and operation process.

[0065] Detection results:

[0066] Soil physical and chemical properties (conductivity, humidity, pH value, etc.)

[0067] The concentration of main pollutants in the soil (heavy metals, organic matter, etc.)

[0068] The concentration of harmful gases in the air (VOCs, SO2, NOx, etc.)

[0069] Data analysis and discussion: based on the detection results, analyze the source of pollutants, diffusion law and its influence on the environment.

[0070] Conclusion and Recommendations: Summarize the evaluation results and propose targeted management measures and recommendations.

[0071] Visual Presentation:

[0072] Use charts, maps, and other forms to visually display test data for easy understanding and interpretation.

[0073] Provide a time series chart showing the trend of pollutant concentration over time.

[0074] Draw a spatial distribution map of pollutants to help identify pollution hotspots.

[0075] Detailed Workflow

[0076] Device Start-up Phase

[0077] After the power module 21 is activated, the main controller 20 performs a self-check program (3-5 seconds), and the display screen 5 displays the voltage status (9-12V) and the readiness of the electromagnetic sensor 6 in real time.

[0078] Site Setup Phase

[0079] a) Insert the probe needle 2 into the bottom of the main body 1 through the threaded collar 11

[0080] b) Adjust the fixed bolts of the ladder frame 8 to the target sampling depth (0.5-3m)

[0081] c) Install the conical head 4 and connect the signal amplifier 22 circuit

[0082] Detection Execution Phase

[0083] a) Insert the probe needle 2 vertically into the predetermined soil layer

[0084] b) Start the full-band scan (10MHz-1GHz) of the electromagnetic sensor 6

[0085] c) The data processor simultaneously performs FFT transformation and contaminant spectrum matching

[0086] d) The gas detector 7 collects volatile organic data in real time

[0087] Sample Collection Phase

[0088] When the probe needle 2 is removed from the soil, the ladder-shaped grooves 9 at different positions on the probe needle 2 will store soil samples from that soil layer

[0089] The hooks 10 in the ladder-shaped grooves 9 will hook more soil samples when the probe needle 2 is pulled out of the soil, ensuring the collection of soil samples

[0090] c) After the soil samples collected by the ladder frame 8 at different positions on the probe needle 2 are divided into levels, the soil detection equipment is used to further detect and analyze the soil samples of different levels.

[0091] Data processing stage

[0092] a) The storage unit records the timestamp positioning data

[0093] b) The display screen 5 displays the electromagnetic spectrum graph and the gas concentration curve in split screen mode

[0094] According to the collected data, a detailed soil environmental impact assessment report is generated to provide a scientific basis for subsequent remediation measures

[0095] c) The main machine 1 is usually configured with a data interface and a wireless communication device to export the original detection data packet.

[0096] For example, it can be exported through a USB interface or a wireless transmission method, and is compatible with Excel or txt format, which is convenient for further analysis and archiving.

[0097] The electromagnetic sensor 6 usually includes a high-frequency oscillator (10-100 MHz) and a phase detector, and the data processor is usually configured with a mature application technology pollutant characteristic spectrum database.

[0098] The tip of the conical head 4 is usually coated with a diamond layer (thickness 2-5 μm).

[0099] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting a pollutant for soil environmental impact assessment, characterized by, Including main machine (1), probe needle (2) and sampling device (3), the probe needle (2) is installed on the bottom of main machine (1), the sampling device (3) is installed on the side of probe needle (2), a plurality of electromagnetic sensors (6) are arranged on the probe needle (2), a display screen (5), a main controller (20) and a power module (21) are arranged on the main machine (1), the main controller (20) and the power module (21) are integrated in the inside of main machine (1), the display screen (5) is installed on the outside of main machine (1), the main controller (20) is electrically connected with the power module (21) and the display screen (5), and the main controller (20) is integrated with a data processor and a storage unit.

2. The device for detecting a pollutant for soil environmental impact assessment according to claim 1, characterized by, The side of the probe needle (2) is provided with a mounting bracket (14), a plurality of mounting holes are formed in the mounting bracket (14), the sampling device (3) is a trapezoidal frame (8), the trapezoidal frame (8) is provided with a trapezoidal groove (9) in the inside, a plurality of fixing bolts are penetrated through the trapezoidal frame (8), and the fixing bolts are connected with the trapezoidal groove (9) through thread structure.

3. The device for detecting a contaminant for evaluating a soil environmental impact according to Claim 2, wherein A plurality of hooks (10) are arranged in the inside of the trapezoidal groove (9).

4. The device for detecting a contaminant for evaluating a soil environmental impact according to claim 3, characterized by, The probe needle (2) is provided with a plurality of sections, the electromagnetic sensors (6) are installed at the bottom end of the probe needle (2), the bottom end of the probe needle (2) is provided with a data transmission connector (15) and a power connector (16), and the top of the probe needle (2) is provided with a power interface (13) and a data transmission interface (12).

5. The device for detecting a contaminant for evaluating a soil environmental impact according to Claim 4, wherein The power interface (13) is electrically connected with the electromagnetic sensor (6) and the power interface (13), and the data transmission connector (15) and the electromagnetic sensor (6) are electrically connected with the data transmission interface (12).

6. The device for detecting a contaminant for soil environmental impact assessment according to claim 5, wherein A tapered head (4) is arranged, the tapered head (4) is provided with a threaded groove, and the tapered head (4) is connected with the probe needle (2) through a threaded cap.

7. The device for detecting a contaminant for evaluating a soil environmental impact according to claim 6, wherein The top of the probe needle (2) is sleeved with a threaded sleeve ring (11) through thread structure, the bottom of the main machine (1) is provided with a power connector (19) and a data transmission connector (18), the power connector (19) and the output transmission connector (18) are matched with the power interface (13) and the data transmission interface (12), and the main controller (20) is electrically connected with the power connector (19).

8. The soil environment impact assessment pollutant detection device according to claim 7, characterized by, The bottom of the main machine (1) is provided with an annular groove (17), and the threaded sleeve ring (11) of the probe needle (2) is connected with the annular groove (17) through thread structure.

9. The soil environment impact assessment pollutant detection device according to claim 8, wherein The controller is integrated with a signal amplifier, and the signal amplifier is electrically connected with the data transmission connector (18) and the main controller (20).

10. The soil environment impact assessment pollutant detection device according to claim 9, wherein The top of the main machine (1) is provided with a gas detector (7), and the gas detector (7) is electrically connected with the controller.

Images