Soil heavy metal environment monitoring device

Abstract

The utility model belongs to the technical field of environment monitoring, and relates to a soil heavy metal environment monitoring device which comprises a soil heavy metal sensor, an outer box body and an inner box body, a mounting groove is formed in the side wall of the bottom of the inner box body, the soil heavy metal sensor is mounted in the inner box body, and a steel needle of the soil heavy metal sensor penetrates out of the mounting groove; the top of the outer box body is provided with a box cover, and the side wall of the bottom is provided with a slot for a steel needle of the soil heavy metal sensor to enter and exit. The monitoring device relates to a soil heavy metal sensor buried structure of an existing on-line monitoring station for monitoring soil heavy metal, a foundation pit is dug in the surface layer of soil and used for installing an outer box body, an inner box body can be pushed in the outer box body to enable a steel needle to penetrate out of an inserting groove to be horizontally inserted into a pit wall, and the inner box body can be horizontally pushed to enable the steel needle to return to the interior of the outer box body in the horizontal direction. The soil heavy metal sensor is convenient to disassemble and take, under the protection effect of the outer box body and the inner box body, the soil heavy metal sensor can be prevented from being damaged during construction operation, the top of the outer box body is exposed out of the ground, and guidance can be provided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to environmental monitoring technical field, concretely relates to a soil heavy metal environmental monitoring device. BACKGROUND

[0002] Soil heavy metal environmental monitoring has extremely important significance, for example, in the food safety aspect, soil heavy metal can enter the food chain through crops and finally enter the human body, long-term accumulation can cause serious health problems, heavy metals in soil can be washed into surface water or groundwater through rainwater, and then pollute drinking water sources, in the ecological environment aspect, soil heavy metal pollution can cause soil function degradation, affect soil microbial activity and plant growth, in short, soil heavy metal environmental monitoring has important significance for protecting human health, maintaining ecological environment, supporting environmental management and decision-making, promoting sustainable development and promoting scientific research and technology development.

[0003] The prior art can measure the soil heavy metal content at a certain time by a handheld soil heavy metal detector, or establish an online monitoring station to monitor the heavy metal content in soil in real time. Among them, the technical principle of the existing online monitoring station is to deploy soil heavy metal sensors in key pollution areas (such as industrial areas, farmland nearby) to detect heavy metal ion concentration in soil in real time, connect various heavy metal sensors to the Internet of Things platform based on Internet of Things technology, and transmit monitoring data to the cloud platform through wireless network (such as Wi-Fi, LoRa, NB-IoT, etc.) in real time, for storage, processing and analysis, which can realize real-time transmission and remote monitoring of data.

[0004] When the existing online monitoring station deploys soil heavy metal sensors, as shown in the figure, it is a common way to bury the pin type soil heavy metal sensor into the soil: digging a foundation pit on the soil surface, then inserting the transmitter steel needle horizontally into the pit wall at a certain depth, and then filling the foundation pit tightly. However, the buried soil heavy metal sensor lacks guidance, and the transmitter shell or cable of the heavy metal sensor is easily damaged during soil surface construction operation, and it is not convenient to dig it out from the soil during maintenance and replacement. Figure 1 UTILITY MODEL CONTENTS In view of the deficiencies of the prior art, the utility model provides a soil heavy metal environmental monitoring device, which is installed in the box body and buried in the soil, and is convenient to disassemble and assemble and not easy to be damaged due to construction operation, so as to solve the problems in the background art.

[0005] The utility model realizes the following technical scheme:

[0006]

[0007] ​The utility model provides a kind of soil heavy metal environmental monitoring device, including soil heavy metal sensor, outer box and the inner box being arranged in the inside of outer box;The bottom side wall of inner box is equipped with mounting groove, and soil heavy metal sensor is installed in the inner bottom of inner box, and its steel needle is worn out mounting groove;The top of outer box is open structure and is equipped with box cover, and opening box cover can facilitate dismounting inner box, and the bottom side wall of outer box is equipped with the insertion slot for the steel needle of soil heavy metal sensor to go out, and it can be pushed in inner box in outer box to make steel needle wear out insertion slot on outer box to be inserted into pit wall horizontally, realize the installation of soil heavy metal sensor, and it can be pushed in inner box horizontally to make steel needle retract to the inside of outer box along horizontal direction, facilitate to dismount soil heavy metal sensor, under the protection of outer box and inner box, it can avoid damaging soil heavy metal sensor during construction operation, and the top of outer box is exposed to ground, which can provide guidance.

[0008] Further, the inside of the outer box is provided with a support for fixing and supporting the inner box. After the inner box is installed in the outer box and the steel needle is horizontally inserted into the pit wall of the foundation pit, the support can be placed in the outer box to resist the inner box, preventing the inner box from moving in the outer box to cause the steel needle to retract into the outer box. When the soil heavy metal sensor inside the inner box needs to be removed, the support can be taken out upward to provide space for the horizontal movement of the inner box.

[0009] Further, the inside of the inner box is provided with a soil filling layer for fixing the soil heavy metal sensor therein, to improve the stability of the soil heavy metal sensor inside the inner box and prevent the steel needle from retracting from the pit wall.

[0010] Further, the outer box is a height-adjustable assembly structure composed of a bottom box, a top frame, and multiple intermediate frames. The intermediate frames are detachably connected to the bottom box, adjacent intermediate frames, and the top frame through multiple bolts. Based on the buried installation depth of the soil heavy metal sensor, the assembly height of the outer box can be adjusted according to the number of intermediate frames selected.

[0011] Further, the top of the box cover is provided with a U-shaped handle, which can facilitate the carrying of the outer box, especially when the outer box is lifted out of the foundation pit. Holding the U-shaped handle with one's hand can facilitate operation.

[0012] Further, the inside of the outer box is provided with multiple inner boxes, each of which is installed with a soil heavy metal sensor. The bottom side wall of the outer box is provided with multiple insertion slots for the steel needles of the soil heavy metal sensors to be horizontally inserted into the pit wall. Multiple soil heavy metal sensors can be installed around the pit wall of the foundation pit to monitor soil heavy metals in multiple directions.

[0013] Further, the outer box body, the box cover, the inner box body and the support are made of plastic, which is light, easy to process, low in cost and corrosion resistant.

[0014] From the above technical solution, the soil heavy metal environment monitoring device has the beneficial effects that:

[0015] The monitoring device relates to the soil heavy metal sensor buried structure of the existing online monitoring station of the soil heavy metal environment monitoring, can dig out the foundation pit on the soil surface for installing the outer box body, the inner box body can be installed in the outer box body, the steel needle of the soil heavy metal sensor can extend out of the inner box body, can push the inner box body in the horizontal direction, so that the steel needle passes through the slot on the outer box body to be horizontally inserted into the pit wall of the foundation pit, so as to realize the buried installation of the soil heavy metal sensor, when the soil heavy metal sensor is disassembled, the inner box body can be pushed horizontally, the steel needle is withdrawn to the inside of the outer box body in the horizontal direction, so that the inner box body can be taken out upward from the inside of the outer box body, and the soil heavy metal sensor can be taken out from the inside of the inner box body, without taking out the outer box body from the foundation pit, the foundation pit can be avoided to collapse, the soil heavy metal sensor can be conveniently installed again, under the protection of the outer box body and the inner box body, the soil heavy metal sensor can be avoided to be damaged during construction operation, the top of the outer box body is exposed on the ground, can provide guidance, and the installation position of the soil heavy metal sensor can be quickly found, and the installation position of the soil heavy metal sensor can be avoided during construction operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0017] Figure 1 It is a soil heavy metal sensor buried structure schematic diagram of the existing soil heavy metal online monitoring station.

[0018] Figure 2 It is a structure schematic diagram of the utility model embodiment 1.

[0019] Figure 3 It is Figure 2 It is an A-A direction section structure schematic diagram.

[0020] Figure 4 It is a structure schematic diagram of the utility model embodiment 2.

[0021] In the drawing: 1 is a soil heavy metal sensor, 1.1 is a transmitter, 1.2 is a steel needle, 2 is a foundation pit, 3 is an outer box body, 3.1 is a bottom layer box body, 3.2 is a top layer frame body, 3.3 is a middle layer frame body, 4 is an inner box body, 5 is a box cover, 6 is a support, 7 is a U-shaped handle, 8 is a soil filling layer, 9 is a buckle, 10 is a mounting groove, 11 is a insertion groove. DETAILED DESCRIPTION

[0022] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, therefore only as an example, and cannot limit the protection scope of the utility model.

[0023] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "top", "bottom", "inner", "outer", "left", "right" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. EMBODIMENT

[0024] A soil heavy metal environmental monitoring device, as shown in Figure 2 and Figure 3 , mainly composed of a soil heavy metal sensor 1, an outer box body 3, an inner box body 4 and a support 6;

[0025] As shown in Figure 2 , the top of the outer box body 3 is an open structure and is provided with a box cover 5, the inner box body 4 is arranged in the inner part of the outer box body 3, and opening the box cover 5 can facilitate disassembly and assembly of the inner box body 4; the outer box body 3, the box cover 5 and the inner box body 4 are all made of plastic, which is light in weight, easy to process, low in cost and corrosion-resistant;

[0026] As shown in Figure 2 and Figure 3 , the bottom side wall of the inner box body 4 is provided with a mounting groove 10, the soil heavy metal sensor 1 is installed at the inner bottom of the inner box body 4, and the steel needle 1.2 thereof penetrates out of the mounting groove 10; specifically, when the soil heavy metal sensor 1 is installed inside the inner box body 4, the transmitter 1.1 of the soil heavy metal sensor 1 is held downward, the transmitter 1.1 is inclined and inserted into the inner box body 4, the steel needle 1.2 is inclined downward and inserted into the mounting groove 10, until the transmitter 1.1 is placed flat at the inner bottom of the inner box body 4, and the steel needle 1.2 is horizontally penetrated out of the inner box body 4; this structure can facilitate disassembly and assembly of the soil heavy metal sensor 1 inside the inner box body 4, so that the steel needle 1.2 can be horizontally extended, which is beneficial to reducing the size of the inner box body 4;

[0027] As shown in Figure 2As shown, the bottom side wall of the outer box body 3 is provided with a slot 11 for the steel needle 1.2 of the soil heavy metal sensor 1 to pass in and out, and the inner box body 4 can be pushed to make the steel needle 1.2 pass out of the slot 11 on the outer box body 3 to be horizontally inserted into the pit wall, so as to realize the installation of the soil heavy metal sensor 1, and the inner box body 4 can be horizontally pushed to make the steel needle 1.2 retreat to the inside of the outer box body 3 along the horizontal direction, so as to facilitate the removal of the soil heavy metal sensor 1;

[0028] As shown in the drawings, Figure 2 As shown, the top side wall of the outer box body 3 is provided with a wire slot for the cable of the soil heavy metal sensor 1 to pass in and out of the outer box body 3, and the inner wall of the wire slot is provided with a rubber pad for sealing the gap between the cable and the wire slot; the left end bottom surface of the box cover 5 and the left end top outer side wall of the outer box body 3 are both provided with a hinge seat, so that the box cover 5 and the outer box body 3 can be hingedly connected, and the right end of the box cover 5 and the right end top outer side wall of the outer box body 3 are detachably connected through the setting of the buckle 9, and closing the buckle 9 can avoid the box cover 5 being easily opened;

[0029] As shown in the drawings, Figure 2 and Figure 3 As shown, the bracket 6 is installed in the inside of the outer box body 3 for fixing and supporting the inner box body 4, and after the inner box body 4 is installed in the inside of the outer box body 3 and the steel needle 1.2 is horizontally inserted into the pit wall of the foundation pit 2, the bracket 6 can be placed in the inside of the outer box body 3 to resist the inner box body 4, so as to avoid the movement of the inner box body 4 in the inside of the outer box body 3 to cause the steel needle 1.2 to retract into the outer box body 3; when the soil heavy metal sensor 1 in the inner box body 4 needs to be removed, the bracket 6 can be taken out upward to make room for the horizontal movement of the inner box body 4; the bracket 6 is made of plastic, which is light in weight, easy to process, low in cost and corrosion-resistant.

[0030] As a preferred embodiment, in the present embodiment, as shown in the drawings, Figure 2 and Figure 3 As shown, the inside of the inner box body 4 is provided with a soil filling layer 8 for fixing the soil heavy metal sensor 1 therein, so as to improve the stability of the soil heavy metal sensor 1 in the inside of the inner box body 4 and avoid the retraction of the steel needle 1.2 from the pit wall.

[0031] As a preferred embodiment, in the present embodiment, as shown in the drawings, Figure 2As shown, the outer box body 3 is a height-adjustable assembly structure, which is composed of a bottom layer box body 3.1, a top layer box body 3.2 and a plurality of intermediate layer box bodies 3.3. The intermediate layer box bodies 3.3 are detachably connected with the bottom layer box body 3.1, between two adjacent intermediate layer box bodies 3.3 and between the intermediate layer box body 3.3 and the top layer box body 3.2 through a plurality of bolts. Based on the buried installation depth of the soil heavy metal sensor 1, the assembly height of the outer box body 3 can be adjusted according to the number of selected intermediate layer box bodies 3.3, and it is appropriate that the top layer box body 3.2 of the outer box body 3 is exposed to the ground. Specifically, the top of the bottom layer box body 3.1, the bottom of the top layer box body 3.2 and both ends of the intermediate layer box body 3.3 are integrally formed with an outward flange, bolt insertion holes are provided between adjacent outward flanges, and the outer box body 3 is assembled by detachable connection through bolts.

[0032] As a preferred embodiment, in the present embodiment, as shown in Figure 2 The top of the box cover 5 is provided with a U-shaped handle 7, which can facilitate the carrying of the outer box body 3, especially when the outer box body 3 is lifted out of the foundation pit 2, holding the U-shaped handle 7 by hand can facilitate operation.

[0033] The working principle of the present embodiment is as follows:

[0034] The monitoring device is a buried structure of the soil heavy metal sensor 1 of the existing online monitoring station for soil heavy metal environmental monitoring. When installed, a foundation pit 2 is dug in the surface layer of the soil for installing the outer box body 3. The soil heavy metal sensor 1 is installed in the inner box body 4 according to the foregoing method, ensuring that the steel needle 1.2 extends out of the inner box body 4. The inner box body 4 is placed into the outer box body 3. In the initial state, the steel needle 1.2 extends out of the inner box body 4 and is located in the outer box body 3. The inner box body 4 is pushed horizontally in the outer box body 3 to move the steel needle 1.2 out of the insertion slot 11 on the outer box body 3 and horizontally into the wall of the foundation pit 2, thereby achieving the buried installation of the soil heavy metal sensor 1. The bracket 6 is installed in the outer box body 3 to abut against the inner box body 4, and the box cover 5 is closed.

[0035] When the buried soil heavy metal sensor 1 is disassembled, the box cover 5 is opened, the bracket 6 is taken out from the inner box body 4 to create space for the movement of the inner box body 4, and the inner box body 4 is pushed horizontally to retract the steel needle 1.2 into the outer box body 3, so that the inner box body 4 can be taken out upward from the outer box body 3, and the soil heavy metal sensor 1 can be taken out from the inner box body 4. Without taking out the outer box body 3 from the foundation pit 2, the collapse of the foundation pit 2 can be avoided, and the soil heavy metal sensor 1 can be easily installed again. Under the protection of the outer box body 3 and the inner box body 4, the soil heavy metal sensor 1 can be prevented from being damaged during construction work. The top of the outer box body 3 is exposed to the ground, which can provide guidance and facilitate the quick finding of the installation position of the soil heavy metal sensor 1, and can facilitate the avoidance of the installation position of the soil heavy metal sensor 1 during construction work. Embodiment

[0036] The difference between the soil heavy metal environmental monitoring device and the embodiment 1 is that, as shown in the figure, the inside of the outer box body 3 is provided with two inner box bodies 4, and each inner box body 4 is installed with a soil heavy metal sensor 1. The left side wall and the right side wall of the bottom of the outer box body 3 are both provided with a slot 11 for the horizontal insertion of the steel needle 1.2 of the two soil heavy metal sensors 1 into the pit wall, so that two soil heavy metal sensors 1 can be installed on the pit wall of the foundation pit 2 to monitor the soil heavy metal in two directions. Figure 4

[0037] In addition, more inner box bodies 4 can be arranged inside the outer box body 3, and corresponding slots 11 for the steel needle 1.2 to pass through can be arranged on the side wall of the bottom of the outer box body 3. Each soil heavy metal sensor 1 can be of the same type for monitoring the same heavy metal ion or of different types for monitoring different heavy metal ions.

[0038] Specifically, the soil heavy metal sensor 1 can be selected from S-CGAS soil arsenic ion sensor, S-CGCD cadmium ion sensor, S-CGPB lead ion sensor, S-CGCU copper ion sensor, and S-CGAN soil zinc ion sensor, which are all known commercially available products and can be directly selected and installed.

[0039] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features. Such modifications or replacements do not change the essence of the corresponding technical solutions out of the scope of the technical solutions of the embodiments of the present application, and they should all be covered in the scope of the claims and the specification of the present application.​

Claims

1. A soil heavy metal environmental monitoring device comprising a soil heavy metal sensor (1), characterized in that: It also includes the outer box (3) and the inner box (4) arranged inside the outer box (3); the bottom side wall of the inner box (4) is provided with a mounting groove (10), the soil heavy metal sensor (1) is mounted on the inner bottom of the inner box (4), and the steel needle (1.2) thereof penetrates out of the mounting groove (10); the top of the outer box (3) is an open structure and is provided with a box cover (5), and the bottom side wall of the outer box (3) is provided with a plug slot (11) for the steel needle (1.2) of the soil heavy metal sensor (1) to enter and exit.

2. The soil heavy metal environmental monitoring device according to claim 1, characterized in that: The inside of the outer box (3) is provided with a support (6) for fixing and supporting the inner box (4).

3. The soil heavy metal environmental monitoring device according to claim 1, characterized in that: The inside of the inner box (4) is provided with a soil filling layer (8) for fixing the soil heavy metal sensor (1) therein.

4. The soil heavy metal environmental monitoring device according to claim 1, characterized in that: The outer box (3) is a height-adjustable assembly structure, which is composed of a bottom box (3.1), a top frame (3.2) and a plurality of intermediate layer frames (3.3), the intermediate layer frames (3.3) and the bottom box (3.1), adjacent two intermediate layer frames (3.3) and the intermediate layer frames (3.3) and the top frame (3.2) are detachably connected through a plurality of bolts.

5. The soil heavy metal environmental monitoring device according to claim 1, characterized in that: The top of the box cover (5) is provided with a U-shaped handle (7).

6. The device for monitoring the environment of heavy metals in soil according to any one of claims 1 to 5, characterized in that: The inside of the outer box (3) is provided with a plurality of inner boxes (4), each of which is provided with a soil heavy metal sensor (1), and the bottom side wall of the outer box (3) is provided with a plurality of plug slots (11).

7. The soil heavy metal environmental monitoring device according to claim 2, characterized in that: The outer box (3), the box cover (5), the inner box (4) and the support (6) are all made of plastic.

Images