CN109827982B - Quick detector for detecting heavy metals in soil - Google Patents
Quick detector for detecting heavy metals in soil Download PDFInfo
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- CN109827982B CN109827982B CN201711181888.3A CN201711181888A CN109827982B CN 109827982 B CN109827982 B CN 109827982B CN 201711181888 A CN201711181888 A CN 201711181888A CN 109827982 B CN109827982 B CN 109827982B
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- bevel gear
- vertical cylinder
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- 239000002689 soil Substances 0.000 title claims abstract description 26
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 22
- 239000010703 silicon Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004876 x-ray fluorescence Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a rapid detector for detecting heavy metals in soil, which comprises a detector body, wherein the detector body comprises an X-ray tube, a silicon drift detector, a shell and a processor arranged in the shell, the outer wall of the shell is fixedly provided with a display screen, the processor is respectively electrically connected with the X-ray tube, the silicon drift detector and the display screen, the outer wall of the shell is fixedly provided with a transverse plate, the X-ray tube is arranged at the top of the transverse plate, the top of the X-ray tube is fixedly provided with a transparent soil accommodating vessel, the silicon drift detector is arranged above the X-ray tube, the outer wall of the shell is positioned above the transverse plate and is fixedly provided with a mounting plate, the bottom of the mounting plate is connected with a seat plate through a seat plate driving device, and the silicon drift detector is arranged at the bottom of the seat plate. The beneficial effects are as follows: convenient to carry, practicality are strong.
Description
Technical Field
The invention belongs to the technical field of soil detection, and particularly relates to a rapid detector for detecting heavy metals in soil.
Background
Heavy metals in the soil absorb high-energy X-rays, so that electrons in the inner layers of heavy metal atoms can be excited into free electrons after absorbing the energy of the X-rays. Then the outer electrons fill the vacancies of the inner electrons, which is the electron transitions that emit X-ray fluorescence. The energy of the electron transition is equal to the energy difference between two electron levels, and the energy or wavelength of the X-ray fluorescence is characteristic and has a one-to-one correspondence with the elements. The type of heavy metal contained in the monitored soil can be judged by only emitting X-ray energy or wavelength to the heavy metal in the soil.
In view of this, chinese patent 201620585957.1 discloses a heavy metal detection apparatus comprising a case and a working assembly; the working assembly is positioned in the box body; the box body comprises a shell, a box cover, a switch button and a display screen; the case lid is located the casing side, and shift knob is located the case lid below, and the display screen is located the casing side. The working assembly comprises an upper fixing plate, a control connecting plate, an X-ray generator, a supporting rod, a fixing screw rod, a fixing base, a lower fixing ring and a lithium battery; the upper fixing plate is located above the shell, the control connecting plate is located at the front end of the X-ray generator, the X-ray generator is located on the upper fixing plate, the supporting rod is located between the upper fixing plate and the lower fixing ring, the fixing screw is located between the X-ray generator and the fixing base, the fixing base and the lower fixing ring are located on the bottom plate of the shell, and the lithium battery is located at the rear. The heavy metal detection equipment provided by the invention has the advantages that the structure of the detector is more compact, the measurement precision is the same as that of the original cabinet type detector, the application range is wider, and the economic benefit is improved. But the invention is large in size and inconvenient to carry.
Disclosure of Invention
The invention aims to solve the problem of providing a rapid detector for detecting soil heavy metals, which is convenient to carry and high in practicability.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a quick detector of soil heavy metal detection, includes the detector body, the detector body includes X-ray tube, silicon drift detector, shell, installs the treater in the shell, the outer wall of shell is fixed with the display screen, the treater respectively with X-ray tube, silicon drift detector, display screen electric connection, the outer wall of shell is fixed with a diaphragm, the X-ray tube is installed the top of diaphragm, the top of X-ray tube is fixed with a transparent soil and holds the household utensils, silicon drift detector sets up the top of X-ray tube, its characterized in that, the outer wall of shell is located the top of diaphragm is fixed with a mounting panel, the bottom of mounting panel is connected with the bedplate through bedplate drive arrangement, silicon drift detector installs the bottom of bedplate. The seat board driving device comprises a top plate fixed at the bottom of the mounting plate, a vertical cylinder fixed at the bottom of the top plate and a lifting rod fixed at the top of the seat board, wherein the vertical cylinder is arranged in the vertical direction, a bevel gear pair is arranged in an inner cavity of the vertical cylinder, the bevel gear pair comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is arranged in the vertical direction, the second bevel gear is arranged in the horizontal direction, a rotating rod extending to the outside of the vertical cylinder is fixed on an end shaft of the first bevel gear, an L-shaped rocker arm is fixed at the end of the rotating rod outside of the vertical cylinder, a vertical threaded transmission shaft is fixed on the end shaft of the second bevel gear, a driving block is arranged on the threaded transmission shaft in a sliding mode, and the top end of the lifting rod extends into the inner cavity of the vertical cylinder and is connected with the bottom of the driving block.
Preferably, the rapid detector for detecting heavy metal in soil is characterized in that a handle is fixed at the bottom of the shell, a rubber sleeve is sleeved on the handle, and a plurality of massage protrusions are arranged on the outer wall of the rubber sleeve.
Preferably, the rapid detector for detecting heavy metals in soil is characterized in that a bottom cover is fixed at the bottom of the vertical cylinder, and the lifting rod penetrates through the bottom cover and is in sliding connection with the bottom cover.
Preferably, in the rapid soil heavy metal detection detector, a bearing is fixed at the top of the bottom cover, and the bottom end of the threaded transmission shaft is connected with an inner ring of the bearing.
Preferably, the rapid detector for detecting heavy metal in soil is characterized in that at least two vertical grooves are formed in the inner wall of the vertical cylinder along the length direction of the vertical cylinder, at least two protruding blocks are fixed on the outer wall of the driving block, and the protruding blocks are in sliding connection with the corresponding vertical grooves.
The invention has the technical effects that: the volume is small, the carrying is convenient, and the use is convenient for users; according to the requirement, a user can drive the silicon drift detector to move up and down through the seat plate driving device, so that the distance between the silicon drift detector and the X-ray tube is adjusted; the user rotates L type rocking arm, can drive the vice rotation of helical gear, and then drives the screw drive shaft and rotate, because screw drive shaft passes through threaded connection with the drive piece for the drive piece reciprocates at screw drive shaft, drives the lifter up-and-down motion then, drives drive silicon drift detector up-and-down motion at last, design simple structure like this, convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the housing of FIG. 1;
FIG. 3 is a schematic view of the seat plate driving device in FIG. 1;
FIG. 4 is a transverse cross-sectional view of the vertical cartridge of FIG. 3;
fig. 5 is a schematic view of the structure of the bevel gear pair in fig. 3.
Detailed Description
The following detailed description of the invention is further provided with reference to the accompanying drawings, so that the technical scheme of the invention can be more easily understood and mastered.
As shown in fig. 1, 2, 3,4 and 5, the rapid detector for detecting heavy metals in soil comprises a detector body, wherein the detector body comprises an X-ray tube 11, a silicon drift detector 12, a shell 13 and a processor 14 arranged in the shell 13, the processor 14 adopts an 8086C51 singlechip, and the model of the silicon drift detector 12 is XR-100SDD. The outer wall of the shell 13 is fixed with a display screen 15, the display screen 15 adopts a 4.7 inch liquid crystal display screen, and the processor 14 is respectively and electrically connected with the X-ray tube 11, the silicon drift detector 12 and the display screen 15 through leads. The housing 13 is internally provided with a storage battery 100 for supplying power to the X-ray tube 11, the silicon drift detector 12, the display screen 15 and the processor 14, the storage battery adopts a model 6V7AH, the rated capacitance 7AH, the rated current 1A, the size 9.4X 15X 3.4cm and the mass 300 g.
A cross plate 20 is fixed to the outer wall of the housing 13, the X-ray tube 11 is mounted on the top of the cross plate 20 by screws, a transparent soil accommodating vessel 21 is fixed to the top of the X-ray tube 11, and the silicon drift detector 12 is disposed above the X-ray tube 11.
An installing plate 22 is fixed on the outer wall of the shell 13 above the transverse plate 21, and the shell 13, the transverse plate 21 and the installing plate 22 are integrally formed. The bottom of the mounting plate 22 is connected with a seat plate 30 through a seat plate driving device 3, and the silicon drift detector 12 is mounted on the bottom of the seat plate 30 through screws. When the device is used, sample soil is placed in the soil accommodating vessel 22, the X-ray tube 11 emits X-rays, the silicon drift detector 12 can receive the X-rays absorbed by the sample soil and transmit signals to the processor 14, and the processor 14 analyzes and processes the information according to a built-in program and then controls the display screen 15 to display the heavy metal content of the soil.
The seat board driving device 3 comprises a top plate 31 fixed at the bottom of the mounting plate 22 through screws, a vertical cylinder 32 welded at the bottom of the top plate 31, and a lifting rod 300 welded at the top of the seat board 30, wherein the vertical cylinder 32 is arranged in the vertical direction, a bevel gear pair is arranged in an inner cavity of the vertical cylinder 32, the bevel gear pair comprises a first bevel gear 33 and a second bevel gear 34 which are meshed, the first bevel gear 33 is arranged in the vertical direction, the second bevel gear 34 is arranged in the horizontal direction, a rotating rod 35 extending out of the vertical cylinder 32 is fixed on an end shaft of the first bevel gear 33, anti-displacement blocks 100 are respectively welded on the inner side and the outer side of the rotating rod 35, which are positioned on the inner side and the outer side of the vertical cylinder 32, of the rotating rod 35 is designed to prevent the rotating rod 35 from being displaced on the vertical cylinder 32, an L-shaped rocker arm 36 is welded on the end of the rotating rod 35 positioned outside the vertical cylinder 32, a vertical threaded transmission shaft 37 is welded on the end shaft of the second bevel gear 34, a driving block 38 is in a sliding fit with threads, and the top end of the lifting rod 300 extends into the inner cavity of the vertical cylinder 32 and is welded with the bottom of the driving block 38.
The handle 61 is fixed at the bottom of the shell 13, the handle 61 and the shell 13 are integrally formed, the rubber sleeve 62 is sleeved on the handle 61, and a plurality of massage protrusions 63 are arranged on the outer wall of the rubber sleeve 62, so that a user can feel more comfortable when pinching the handle 61.
The bottom of the vertical cylinder 32 is welded with the bottom cover 60, and the lifting rod 300 passes through the bottom cover 60 and is slidably connected with the bottom cover 60, so that the lifting rod 300 moves up and down more stably. The top of the bottom cover 60 is fixed with a bearing 70 by a screw, and the bottom end of the threaded transmission shaft 37 is connected with the inner ring of the bearing 70, so the structure of the invention is stronger.
The inner wall of the vertical cylinder 32 is provided with two vertical grooves 91 along the length direction of the vertical cylinder 32, the outer wall of the driving block 38 is fixedly provided with two protruding blocks 92, and the protruding blocks 92 are in sliding connection with the corresponding vertical grooves 91, so that the up-and-down movement of the driving block 38 is more stable due to the design.
It should be understood, however, that the description herein of specific embodiments is not intended to limit the scope of the invention, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (3)
1. The utility model provides a quick detector that soil heavy metal detected, includes the detector body, the detector body includes X-ray tube, silicon drift detector, shell, installs treater in the shell, the outer wall of shell is fixed with the display screen, the treater respectively with X-ray tube, silicon drift detector, display screen electric connection, the outer wall of shell is fixed with a diaphragm, the X-ray tube is installed the top of diaphragm, the top of X-ray tube is fixed with a transparent soil and holds household utensils, silicon drift detector sets up the top of X-ray tube, its characterized in that: the outer wall of the shell is positioned above the transverse plate and is fixedly provided with a mounting plate, the bottom of the mounting plate is connected with a seat plate through a seat plate driving device, and the silicon drift detector is arranged at the bottom of the seat plate; the seat board driving device comprises a top plate fixed at the bottom of the mounting plate, a vertical cylinder fixed at the bottom of the top plate, and a lifting rod fixed at the top of the seat board, wherein the vertical cylinder is arranged in the vertical direction, a bevel gear pair is arranged in an inner cavity of the vertical cylinder, the bevel gear pair comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is arranged in the vertical direction, the second bevel gear is arranged in the horizontal direction, a rotating rod extending out of the vertical cylinder is fixed on an end shaft of the first bevel gear, an L-shaped rocker arm is fixed at the end of the rotating rod positioned outside the vertical cylinder, a vertical threaded transmission shaft is fixed on the end shaft of the second bevel gear, a driving block is arranged on the threaded transmission shaft in a sliding mode, and the top end of the lifting rod extends into the inner cavity of the vertical cylinder and is connected with the bottom of the driving block;
the bottom of the shell is fixed with a handle, a rubber sleeve is sleeved on the handle, and a plurality of massage protrusions are arranged on the outer wall of the rubber sleeve;
The bottom of the vertical cylinder is fixed with a bottom cover, and the lifting rod penetrates through the bottom cover and is in sliding connection with the bottom cover.
2. The rapid detector for detecting heavy metals in soil according to claim 1, wherein: the top of the bottom cover is fixed with a bearing, and the bottom end of the threaded transmission shaft is connected with the inner ring of the bearing.
3. The rapid detector for detecting heavy metals in soil according to claim 1, wherein: the inner wall of the vertical cylinder is provided with at least two vertical grooves along the length direction of the vertical cylinder, the outer wall of the driving block is fixed with at least two protruding blocks, and the protruding blocks are in sliding connection with the corresponding vertical grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711181888.3A CN109827982B (en) | 2017-11-23 | 2017-11-23 | Quick detector for detecting heavy metals in soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711181888.3A CN109827982B (en) | 2017-11-23 | 2017-11-23 | Quick detector for detecting heavy metals in soil |
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| CN109827982A CN109827982A (en) | 2019-05-31 |
| CN109827982B true CN109827982B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711181888.3A Active CN109827982B (en) | 2017-11-23 | 2017-11-23 | Quick detector for detecting heavy metals in soil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078783A (en) * | 2019-06-14 | 2020-12-15 | 成都理工大学工程技术学院 | Neutron-gamma integrated detection system |
| CN113866205B (en) * | 2021-12-06 | 2022-02-18 | 天津海关动植物与食品检测中心 | Chinese herbal medicine fluorescence spectrum heavy metal detection device and detection method |
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