CN108917851A - A kind of regionality method of environmental monitoring - Google Patents
A kind of regionality method of environmental monitoring Download PDFInfo
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- CN108917851A CN108917851A CN201810955541.8A CN201810955541A CN108917851A CN 108917851 A CN108917851 A CN 108917851A CN 201810955541 A CN201810955541 A CN 201810955541A CN 108917851 A CN108917851 A CN 108917851A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The present invention relates to environmental monitoring technology field, specifically a kind of regional method of environmental monitoring, a kind of regionality method of environmental monitoring, this approach includes the following steps：S1 determines detection zone and monitoring point；S2 is detected after reaching monitoring point using soil of the Soil K+adsorption device to monitoring point, it is sampled using water of the water sampler to monitoring point, using the exposure of device of solar generating detection sunlight, device of solar generating is electrically connected with flowmeter, utilizes the wind speed of anemometer measurement monitoring point；The water sample obtained in S2 is sent to water quality monitoring station and is detected by S3.This method is detected by water quality, soil, air quantity and the illumination to test point, tentatively the environment of test point can be monitored, and the present invention carries out the detection of illumination by using device of solar generating, not only completes the task of detection, but also the electric energy provided for other electrical equipments.
Description
Technical field
The present invention relates to environmental monitoring technology field, specifically a kind of regional method of environmental monitoring.
Background technique
Environmental monitoring is an important link in environmental protection, environmental monitoring generally can soil to monitoring point, water,
Air, air quantity, intensity of illumination, biomass etc. are detected.
In Soil K+adsorption in existing environmental monitoring, often the soil taking-up of monitoring point is taken back, is then sent to inspection
Measured center is detected, and not only process is cumbersome, and due to carrying a large amount of detection sample, is brought to the workload of testing staff
Biggish challenge.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of regional method of environmental monitoring, this method by pair
Water quality, soil, air quantity and the illumination of test point are detected, and can be tentatively monitored to the environment of test point, and the present invention
The detection that illumination is carried out by using device of solar generating not only completes the task of detection, but also sets for other electricity consumptions
The standby electric energy provided.
The technical solution adopted by the present invention to solve the technical problems is：A kind of regionality method of environmental monitoring, this method
Include the following steps：
S1 determines detection zone and monitoring point；
S2 is detected using soil of the Soil K+adsorption device to monitoring point after reaching monitoring point, utilizes water sampler pair
The water of monitoring point is sampled, using the exposure of device of solar generating detection sunlight, device of solar generating and flowmeter
Electrical connection determines the intensity of illumination of the sun according to the registration of flowmeter, and flowmeter is using highly sensitive current flow meter, simultaneously
The electric energy that device of solar generating is collected can be used for the use of other electrical equipments；Utilize the wind speed of anemometer measurement monitoring point；
The water sample obtained in S2 is sent to water quality monitoring station and is detected by S3；
The Soil K+adsorption device used in this method includes cabinet, the first accommodating mechanism, the second accommodating mechanism, detector master
Body, testing agency, fixed mechanism, hold-down mechanism, transmission mechanism and analysis machine host；The inside installation described the of the cabinet
One accommodating mechanism and second accommodating mechanism, first accommodating mechanism, second accommodating mechanism are to detection device
It is stored；The inside of second accommodating mechanism is equipped with the detector body；The end symmetric of the detector body
There are two the fixed mechanism, transmission of the fixed mechanism to carry out electric current for installation；Pacify between two fixed mechanisms
Equipped with the testing agency, the testing agency is to detect the water in soil；The external installation of the testing agency
There is the hold-down mechanism, the hold-down mechanism is to limit the testing agency；The analysis host, the conveyer
It is electrically connected between structure, the detector body, the fixed mechanism and the testing agency.
Specifically, first accommodating mechanism includes the first containing box and the first cover board, first containing box is opened in
The inside of the cabinet, the external articulation of first containing box have first cover board, and the inside of first containing box is put
It is equipped with the analysis host and the transmission mechanism.
Specifically, second accommodating mechanism includes the second containing box, accommodating groove and the second cover board, second storage
Case is opened in the inside of the cabinet, and first containing box, second containing box are arranged independently of each other, second storage
The inside of case is from top to bottom equidistantly provided at least three accommodating grooves, and the accommodating groove is cylindrical shape, and the accommodating groove is opened
Mouth end is hinged with second cover board.
Specifically, the back of the detector housing is equipped with connector lug, the connector lug is electrically connected the transmission mechanism,
The transmission mechanism includes major joint, transmission line and tap, and the major joint and the analysis host are electrically connected, described
Major joint is electrically connected with several transmission lines, and each transmission line is electrically connected with the tap.
Specifically, the fixed mechanism includes position-limiting tube, slide bar, third metal plate, metallic rod, metal frame and the 4th gold medal
Belonging to plate, the position-limiting tube is fixedly connected with the end face of the detector housing, and the inside of the position-limiting tube is socketed with the slide bar,
The end of the slide bar is equipped with the third metal plate, and the inside of the slide bar is equipped with the metallic rod, the end of the slide bar
For taper, the end outer wall of the slide bar is provided with mounting groove, and the inner wall of the mounting groove is equipped with the metal frame, the slide bar
One end is electrically connected the third metal plate, and the other end of the slide bar is electrically connected the metal frame, the position-limiting tube it is interior
Wall is provided with sliding slot, and the inner wall of the sliding slot is equipped with the 4th metal plate, length and the sliding slot of the 4th metal plate
Length is identical, is bonded to each other between the 4th metal plate and the third metal plate, and the 4th metal plate is electrically connected institute
State connector lug.
Specifically, the testing agency includes box body, the plate that breaks ground, plasterboard and the first metal plate, the box body is vertical
It is fixedly connected with the slide bar, the box body is hollow structure, and the two sides of the box body are hatch frame, and the box body is opened
Mouth region domain is closely embedded with the plasterboard, and the top and bottom end of the box body are embedded with first metal plate, the box
The two sides of body are equipped with the plate that breaks ground, and the section of the plate that breaks ground is isoceles triangle shape.
Specifically, the hold-down mechanism is symmetrically set in the two sides of the box opening, the hold-down mechanism includes rotary column, pressure
Plate and torsional spring, the rotary column are set to the outer wall of the box body, and the rotary column is rotatablely connected the pressing plate, the rotary column with it is described
The junction of pressing plate is equipped with the torsional spring.
Beneficial effects of the present invention：
(1) a kind of regional method of environmental monitoring of the present invention, the length of fixed mechanism can follow detection soil layer
The needs of depth and freely adjust, applied widely, and in adjustment process, third metal plate connects always with the 4th metal plate
Touching, can guarantee the energization of fixed mechanism.
(2) a kind of regional method of environmental monitoring of the present invention, the two sides of plasterboard are hatch frame, be may make
Plasterboard comes into full contact with soil, improves the accuracy of detection, and can limit to plasterboard using hold-down mechanism,
When needing replacing, need to only go up group hold-down mechanism can remove plasterboard, and the plate that breaks ground can separate soil to two sides, so that detection machine
The movement of structure is more convenient.
(3) a kind of regional method of environmental monitoring of the present invention, can separate transmission mechanism with each equipment, and energy
Enough individually to be stored to each equipment, protecting effect is good, easy to carry.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram for the Soil K+adsorption device that this method uses；
Fig. 2 is testing agency's structural schematic diagram shown in FIG. 1；
Fig. 3 is tray interior structural schematic diagram shown in Fig. 2；
Fig. 4 is fixed mechanism structural schematic diagram shown in FIG. 1；
Fig. 5 is enlarged structure schematic diagram at A shown in Fig. 2；
Fig. 6 is detector housing attachment structure schematic diagram shown in FIG. 1；
Fig. 7 is enlarged structure schematic diagram at B shown in Fig. 4.
In figure：1, cabinet, the 2, first accommodating mechanism, the 21, first containing box, the 22, first cover board, the 3, second accommodating mechanism,
31, the second containing box, 32, accommodating groove, the 33, second cover board, 4, detector body, 41, connector lug, 5, testing agency, 51, box
Body, 52, break ground plate, 53, plasterboard, the 54, first metal plate, 55, spring, the 56, second metal plate, 6, fixed mechanism, 61, limit
Pipe, 611, sliding slot, 62, slide bar, 621, mounting groove, 63, third metal plate, 64, metallic rod, 65, metal frame, the 66, the 4th metal
Plate, 67, limit knob, 7, hold-down mechanism, 71, rotary column, 72, pressing plate, 73, torsional spring, 8, transmission mechanism, 81, major joint, 82, biography
Defeated line, 83, tap, 9, analysis host.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Fig. 1-Fig. 7, a kind of regional method of environmental monitoring of the present invention, this approach includes the following steps：
S1 determines detection zone and monitoring point；
S2 is detected using soil of the Soil K+adsorption device to monitoring point after reaching monitoring point, utilizes water sampler pair
The water of monitoring point is sampled, using the exposure of device of solar generating detection sunlight, device of solar generating and flowmeter
Electrical connection determines the intensity of illumination of the sun according to the registration of flowmeter, and flowmeter is using highly sensitive current flow meter, simultaneously
The electric energy that device of solar generating is collected can be used for the use of other electrical equipments；Utilize the wind speed of anemometer measurement monitoring point；
The water sample obtained in S2 is sent to water quality monitoring station and is detected by S3；
The Soil K+adsorption device used in this method includes cabinet 1, the first accommodating mechanism 2, the second accommodating mechanism 3, detector
Main body 4, testing agency 5, fixed mechanism 6, hold-down mechanism 7, transmission mechanism 8 and analysis machine host 9；The inside of the cabinet 1
First accommodating mechanism 2 and second accommodating mechanism 3, first accommodating mechanism 2, second accommodating mechanism 3 are installed
To be stored to detection device；The inside of second accommodating mechanism 2 is equipped with the detector body 4；The detection
There are two the fixed mechanism 6, transmission of the fixed mechanism 6 to carry out electric current for the end symmetric installation of device main body 4；Two
The testing agency 5 is installed, the testing agency 5 is to detect the water in soil between the fixed mechanism 6；Institute
The outside for stating testing agency 5 is equipped with the hold-down mechanism 7, and the hold-down mechanism 7 is to limit the testing agency 5
Position；The analysis host 9, the transmission mechanism 8, the detector body 4, the fixed mechanism 6 and the testing agency 5
Between be electrically connected.
Specifically, as shown in Figure 1, first accommodating mechanism 2 includes the first containing box 21 and the first cover board 22, described the
One containing box 21 is opened in the inside of the cabinet 1, and the external articulation of first containing box 21 has first cover board 22, institute
The inside for stating the first containing box 21 is placed with the analysis host 9 and the transmission mechanism 8；First containing box 21 is to machine
Device, conducting wire are stored, and are convenient for carrying.
Specifically, as shown in Figure 1, second accommodating mechanism 3 includes the second containing box 31, accommodating groove 32 and the second lid
Plate 33, second containing box 31 are opened in the inside of the cabinet 1, first containing box 21, second containing box 31
Mutually indepedent setting, the inside of second containing box 31 is from top to bottom equidistantly provided at least three accommodating grooves 32, described
Accommodating groove 32 is cylindrical shape, and the open end of the accommodating groove 32 is hinged with second cover board 33；Second containing box 31 to
Each detector is individually stored, protecting effect is good.
Specifically, the connector lug 41 electrically connects as shown in fig. 6, the back of the detector housing 4 is equipped with connector lug 41
Connect the transmission mechanism 8, the transmission mechanism 8 includes major joint 81, transmission line 82 and tap 83, the major joint 81 with
The analysis host 9 is electrically connected, and the major joint 81 is electrically connected with several transmission lines 82, each transmission line
82 are electrically connected with the tap 83；Transmission mechanism 8, can be free to by data, current dissipation to each detector
Disassembly installation, so that more convenient when on-site test.
Specifically, as shown in Figure 4 and Figure 5, the fixed mechanism 6 include position-limiting tube 61, slide bar 62, third metal plate 63,
Metallic rod 64, metal frame 65 and the 4th metal plate 66, the fixed company in end face of the position-limiting tube 61 and the detector housing 4
It connects, the inside of the position-limiting tube 61 is socketed with the slide bar 62, and the end of the slide bar 62 is equipped with the third metal plate 63, institute
The inside for stating slide bar 62 is equipped with the metallic rod 64, and the end of the slide bar 62 is taper, and the end outer wall of the slide bar 62 is opened
There is a mounting groove 621, the inner wall of the mounting groove 621 is equipped with the metal frame 65, described in one end of the slide bar 62 is electrically connected
The other end of third metal plate 63, the slide bar 62 is electrically connected the metal frame 65, and the inner wall of the position-limiting tube 61 is provided with cunning
Slot 611, the inner wall of the sliding slot 611 are equipped with the 4th metal plate 66, the length of the 4th metal plate 66 and the sliding slot
611 length is identical, is bonded to each other between the 4th metal plate 66 and the third metal plate 63, the 4th metal plate 66
It is electrically connected the connector lug 41；The length of freely adjustable fixed mechanism 6, so that fixed mechanism 6 can extend into different depths
It is applied widely in the soil of degree.
Specifically, as shown in Figures 2 and 3, the testing agency 5 includes box body 51, the plate 52 that breaks ground, plasterboard 53 and the
One metal plate 54, the box body 51 are vertically fixedly connected with the slide bar 62, and the box body 51 is hollow structure, the box body 51
Two sides are hatch frame, and the open area of the box body 51 is closely embedded with the plasterboard 53, the top of the box body 51
End and bottom end are embedded with first metal plate 54, and the two sides of the box body 51 are equipped with the plate 52 that breaks ground, described broken
The section of native plate 52 is isoceles triangle shape；Soil can be dispersed to two sides by the plate 52 that breaks ground, and plasterboard 53 is exposed to outside, so that connecing
Contacting surface is bigger.
Specifically, as shown in fig. 7, the hold-down mechanism 7 is symmetrically set in the two sides that the box body 51 is open, the compacting machine
Structure 7 includes rotary column 71, pressing plate 72 and torsional spring 73, and the rotary column 71 is set to the outer wall of the box body 51, and the rotary column 71 rotates
The pressing plate 72 is connected, the junction of the rotary column 71 and the pressing plate 72 is equipped with the torsional spring 73；Hold-down mechanism 7 can be to stone
Cream plate 53 is compressed, and in replacement, need to only push hold-down mechanism 7 aside.
The length of fixed mechanism 6 can follow the needs of detection soil depth and freely adjust, applied widely, and
In adjustment process, third metal plate 63 contacts always with the 4th metal plate 66, can guarantee the energization of fixed mechanism 6；Plasterboard
53 two sides are hatch frame, and plasterboard 53 may make to come into full contact with soil, improve the accuracy of detection, and utilize pressure
Tight mechanism 7 can limit plasterboard 53, and when needing replacing, need to only go up group hold-down mechanism 7 can remove plasterboard 53,
The plate 52 that breaks ground can separate soil to two sides, so that the movement of testing agency 5 is more convenient；Transmission mechanism 8 can be set with each
Back-up is from and capable of individually storing each equipment, protecting effect is good, easy to carry.Body has：
(1) when in use, each detector is inserted at the monitoring point pre-selected, the stretching for adjusting slide bar 62 is long
Degree after slide bar 62 extend out to suitable length, tightens limit knob 67 so that third metal plate 63 is moved along sliding slot 611,
Fixed mechanism 6 is whole to be inserted into soil, and fixed mechanism 6 will drive testing agency 5 during the motion and inwardly move, inspection
When surveying the movement of mechanism 5, the plate 52 that breaks ground can separate soil to two sides, consequently facilitating the movement of box body 51；Fixed mechanism 6 is completely disposed at
In soil, detector housing 4 be placed in outside；
(2) tap 83 is connect with the connector lug 41 of each detector, and major joint 81 is connect with analysis host 9；
When monitoring, starting analysis host 9, each detector will be powered, and electric current first passes through in the fixed mechanism 6 of positive terminal, electric current according to
Secondary the 4th metal plate 66, third metal plate 63, the metallic rod 64 of passing through arrives metal frame 65 again, since the inside engaging of metal frame 65 has
First metal plate 54, so electric current will then be transferred to the first metal plate 54, on the second metal plate 56, using plasterboard 53
It enters in mutually isostructural cathode fixed mechanism 6, finally transfers back in analysis host 9；
(3) plasterboard 53 in the soil when, the water in soil can be immersed in plasterboard 53, the conductivity meeting of plasterboard 53
Change with the water content of plasterboard 53, operator can judge the water content of soil by analyzing the voltage value of host 9；When
After detection, fixed mechanism 6 can be removed, by the income to position-limiting tube 61 of slide bar 62, removes each connector of transmission mechanism 8,
Then detector is respectively placed in each accommodating groove 32, covers the second cover board 33, analysis host 9, transmission mechanism 8 are placed in the
In one containing box 21, the first cover board 22 is covered；
(4) in subsequent operation, pressing plate 72, the plasterboard 53 after removing use, then by new stone can be stirred outward
Cream plate 53 is embedded into box body 51, so that plasterboard 53 is bonded with the second metal plate 56, pressing plate 72 is then unclamped, in torsional spring 73
Under drive, pressing plate 72 will limit plasterboard 53.
The length of fixed mechanism 6 of the present invention can follow the needs of detection soil depth and freely adjust, applied widely,
And in adjustment process, third metal plate 63 contacts always with the 4th metal plate 66, can guarantee the energization of fixed mechanism 6；
The two sides of plasterboard 53 are hatch frame, and plasterboard 53 may make to come into full contact with soil, improve the accuracy of detection, and
Plasterboard 53 can be limited using hold-down mechanism 7, when needing replacing, need to only go up group hold-down mechanism 7 can remove stone
Cream plate 53, the plate 52 that breaks ground can separate soil to two sides, so that the movement of testing agency 5 is more convenient；Can by transmission mechanism 8 with
Each equipment separation, and each equipment can individually be stored, protecting effect is good, easy to carry.
It analyzes host 9 and detector is a set of equipment, be using Beijing Zhong Qing Guo Tou Environmental Protection Technology Co., Ltd Henan point
The GT-S101 type and its mating line related and circuit of company's production.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (7)
1. a kind of regionality method of environmental monitoring, which is characterized in that this approach includes the following steps：
S1 determines detection zone and monitoring point；
S2 is detected, using water sampler to monitoring after reaching monitoring point using soil of the Soil K+adsorption device to monitoring point
The water of point is sampled, and using the exposure of device of solar generating detection sunlight, device of solar generating is electrically connected with flowmeter
It connects, the intensity of illumination of the sun is determined according to the registration of flowmeter, while the electric energy that device of solar generating is collected can be used for other
The use of electrical equipment；Utilize the wind speed of anemometer measurement monitoring point；
The water sample obtained in S2 is sent to water quality monitoring station and is detected by S3；
The Soil K+adsorption device used in this method includes cabinet (1), the first accommodating mechanism (2), the second accommodating mechanism (3), detection
Device main body (4), testing agency (5), fixed mechanism (6), hold-down mechanism (7), transmission mechanism (8) and analysis machine host (9)；Institute
The inside for stating cabinet (1) is installed by first accommodating mechanism (2) and second accommodating mechanism (3), first accommodating mechanism
(2), second accommodating mechanism (3) is to store detection device；The inside of second accommodating mechanism (2) is equipped with
The detector body (4)；There are two the fixed mechanism (6) for the end symmetric installation of the detector body (4), described solid
Determine transmission of the mechanism (6) to carry out electric current；It is equipped with the testing agency (5) between two fixed mechanisms (6), it is described
Testing agency (5) is to detect the water in soil；The outside of the testing agency (5) is equipped with the hold-down mechanism
(7), the hold-down mechanism (7) is to limit the testing agency (5)；The analysis host (9), the transmission mechanism
(8), it is electrically connected between the detector body (4), the fixed mechanism (6) and the testing agency (5).
2. a kind of regional method of environmental monitoring according to claim 1, it is characterised in that：First accommodating mechanism
It (2) include the first containing box (21) and the first cover board (22), first containing box (21) is opened in the interior of the cabinet (1)
Portion, the external articulation of first containing box (21) have first cover board (22), and the inside of first containing box (21) is put
It is equipped with the analysis host (9) and the transmission mechanism (8).
3. a kind of regional method of environmental monitoring according to claim 2, it is characterised in that：Second accommodating mechanism
It (3) include the second containing box (31), accommodating groove (32) and the second cover board (33), second containing box (31) is opened in described
The inside of cabinet (1), first containing box (21), second containing box (31) are arranged independently of each other, second storage
The inside of case (31) is from top to bottom equidistantly provided at least three accommodating grooves (32), and the accommodating groove (32) is cylindrical shape, institute
The open end for stating accommodating groove (32) is hinged with second cover board (33).
4. a kind of regional method of environmental monitoring according to claim 1, it is characterised in that：The detector housing (4)
Back be equipped with connector lug (41), the connector lug (41) is electrically connected the transmission mechanism (8), transmission mechanism (8) packet
Major joint (81), transmission line (82) and tap (83) are included, the major joint (81) electrically connects with the analysis host (9)
It connects, the major joint (81) is electrically connected with several transmission lines (82), and each transmission line (82) is electrically connected
There are the tap (83).
5. a kind of regional method of environmental monitoring according to claim 4, it is characterised in that：Fixed mechanism (6) packet
Position-limiting tube (61), slide bar (62), third metal plate (63), metallic rod (64), metal frame (65) and the 4th metal plate (66) are included,
The position-limiting tube (61) is fixedly connected with the end face of the detector housing (4), and the inside of the position-limiting tube (61) is socketed with institute
It states slide bar (62), the end of the slide bar (62) is equipped with the third metal plate (63), and the inside of the slide bar (62) is equipped with institute
It states metallic rod (64), the end of the slide bar (62) is taper, and the end outer wall of the slide bar (62) is provided with mounting groove (621),
The inner wall of the mounting groove (621) is equipped with the metal frame (65), and one end of the slide bar (62) is electrically connected the third gold
Belong to plate (63), the other end of the slide bar (62) is electrically connected the metal frame (65), and the inner wall of the position-limiting tube (61) is provided with
The inner wall of sliding slot (611), the sliding slot (611) is equipped with the 4th metal plate (66), the length of the 4th metal plate (66)
It is identical as the length of the sliding slot (611), it is bonded to each other between the 4th metal plate (66) and the third metal plate (63),
4th metal plate (66) is electrically connected the connector lug (41).
6. a kind of regional method of environmental monitoring according to claim 1, it is characterised in that：Testing agency (5) packet
Box body (51), the plate that breaks ground (52), plasterboard (53) and the first metal plate (54) are included, the box body (51) is vertically fixedly connected with institute
It states slide bar (62), the box body (51) is hollow structure, and the two sides of the box body (51) are hatch frame, the box body
(51) open area is closely embedded with the plasterboard (53), and the top and bottom end of the box body (51) are embedded with described
One metal plate (54), the two sides of the box body (51) be equipped with it is described break ground plate (52), the section of the plate that breaks ground (52) is
Isoceles triangle shape.
7. a kind of regional method of environmental monitoring according to claim 6, it is characterised in that：The hold-down mechanism (7) is right
Claim the two sides for being set to the box body (51) opening, the hold-down mechanism (7) includes rotary column (71), pressing plate (72) and torsional spring
(73), the rotary column (71) is set to the outer wall of the box body (51), and the rotary column (71) is rotatablely connected the pressing plate (72), described
The junction of rotary column (71) and the pressing plate (72) is equipped with the torsional spring (73).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879574A (en) * | 2020-07-03 | 2020-11-03 | 邓婧 | Sampling device for environment detection |
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