CN112461594A - Water conservancy environmental protection monitoring sampling equipment - Google Patents
Water conservancy environmental protection monitoring sampling equipment Download PDFInfo
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- CN112461594A CN112461594A CN202011305821.8A CN202011305821A CN112461594A CN 112461594 A CN112461594 A CN 112461594A CN 202011305821 A CN202011305821 A CN 202011305821A CN 112461594 A CN112461594 A CN 112461594A
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- 238000005070 sampling Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 230000007613 environmental effect Effects 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 239000013049 sediment Substances 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 26
- 230000006698 induction Effects 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000001808 coupling effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000010358 mechanical oscillation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000012814 acoustic material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- -1 silt Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
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- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention is suitable for the field of water conservancy environmental protection, and provides water conservancy environmental protection monitoring sampling equipment which consists of a sampling pipe, a contact induction head, a double-layer pipeline, a pressure adding plate, a fixed piston, a signal receiver, a signal processing assembly, a base, a digital display and a rotary handle, wherein a sample storage groove is formed in the sampling pipe. The river sediment sampler can sample sediment while measuring the thickness of the sediment in a river, and the sampling pipe is marked with scale marks, and the sample storage grooves are respectively positioned at different heights, so that sediment at different depths can be sampled, and the time for separating the sediment from the sediment can be better saved. Secondly, after the bottom mud is compacted by the pressurizing disc, the distance from the bottom surface of the river to the pressurizing disc is measured to be the thickness of the bottom mud instead of directly measuring the thickness of the bottom mud, so that the external influence and the operation error in the measuring process are reduced, and the thickness of the bottom mud can be measured more accurately.
Description
Technical Field
The invention belongs to the field of water conservancy environmental protection, and particularly relates to water conservancy environmental protection monitoring and sampling equipment.
Background
The mixture of clay, silt, organic matter and various minerals is called bottom mud and exists in rivers, reservoirs, lakes and other water areas. When the sediment is accumulated to a certain degree for a long time, the original function and the water quality of the water area are affected. In order to improve the water quality of a water area and restore the original capacities of a river channel such as normal flood control, flood drainage, shipping, water supply, irrigation, ecology and the like, relevant water area management departments in China monitor and evaluate the water area, and when the sediment deposition thickness reaches or exceeds the bearing capacity of the water area, the sediment deposition thickness needs to be cleaned in time.
Before the dredging project begins, the mud property and the pollution condition of the sediment are required to be mastered so as to determine the dredging depth, thereby calculating the total dredging amount, and leading the working personnel to be capable of completely knowing the condition of the sediment and effectively carrying out capital investment and personnel equipment arrangement.
Therefore, accurate measurement of the thickness of the sediment is the key to dredging. The current measuring rod method, the GPS measurement and the like are main methods for measuring the thickness of the sediment in the water area, the measuring methods mainly utilize subjective behaviors of people such as hand feeling and eyesight to judge the upper boundary and the lower boundary of the sediment, and the measuring result is difficult to conform to the actual upper boundary and the actual lower boundary of the sediment due to environmental factors and manual operation, so that the error of the measuring result is large. And in order to research the accumulation, distribution, transformation and migration rules of pollutants discharged into water in the sediment, a collected sediment sample is needed. At present, the existing equipment is basically that sampling and bottom mud thickness measurement are separately operated, the labor capacity of workers is increased, and the working efficiency is low.
Disclosure of Invention
The embodiment of the invention aims to provide water conservancy environment-friendly monitoring and sampling equipment, and aims to solve the problems in the background art.
The embodiment of the invention is realized in such a way that the water conservancy environment-friendly monitoring and sampling device comprises:
a sampling pipe with a sample storage groove inside;
the contact induction head is arranged at one end of the sampling pipe and is used for sending a feedback signal when the contact induction head is contacted with the sediment;
the double-layer pipeline is connected with the other end of the sampling pipe; a pressure adding plate and a fixed piston are nested between the sampling pipe and the double-layer pipeline;
the signal receiver is arranged in the pressurizing disc and used for receiving and transmitting the feedback signal;
the signal processing assembly is nested on the double-layer pipeline through a base and is used for processing the feedback signal;
the digital display is connected with the signal processing assembly and used for displaying the result processed by the signal processing assembly;
the rotating handle is arranged on the digital display; the double-layer pipeline penetrates through the digital display and is connected with the rotating handle.
Preferably, the double-layer pipe includes:
wrapping the round;
the inner circle is arranged inside the outer wrapping circle, and no gap exists between the outer wrapping circle and the inner circle.
Preferably, the digital display comprises a driving board, a power board, a backlight board, a display screen, a key board and a shell; the display screen is embedded in the surface of the shell.
Preferably, the rotating handle includes:
rotating the lever; the middle part of the rotating lever is provided with a central rotating hole;
a central column; the central column penetrates through the central rotating hole to be connected with the double-layer pipeline; the central column is fixedly connected with the rotating lever.
Preferably, the signal processing assembly comprises an input module, a calculation module and an output module; the output module is electrically connected with the digital display.
Preferably, the fixed piston comprises a piston crown, a piston head and a piston skirt.
Preferably, the water conservancy environmental protection monitoring sampling equipment further comprises a piston control assembly for driving the fixed piston to operate; the piston control assembly includes:
a mechanical power group; the mechanical power set is arranged in the fixed piston;
a control switch; the control switch is arranged on the digital display;
an operating line; the mechanical power unit is electrically connected with the control switch through an operating wire.
Preferably, the sampling tube comprises:
connecting a sleeve; the inner wall of the connecting sleeve is provided with scale marks; the sample storage groove is arranged on the connecting sleeve;
a sampler; the sampler is communicated with the connecting sleeve.
Preferably, the contact induction head comprises a contact shell, a piezoelectric wafer, a damping block and a protective film; the damping block is connected with the piezoelectric wafer; one end of the piezoelectric crystal is connected with the shell through a cable.
Preferably, the pressing plate includes:
a hollow disc body; a smooth track is arranged on the inner circumference of the hollow disc body;
a pulley; the pulley is arranged in the smooth track in a sliding mode.
The embodiment of the invention provides water conservancy environment-friendly monitoring and sampling equipment which comprises a sampling pipe, a contact induction head, a double-layer pipeline, a pressurizing disc, a fixed piston, a signal receiver, a signal processing assembly, a base, a digital display and a rotating handle, wherein a sample storage groove is formed in the sampling pipe. The working principle is as follows: the staff will water conservancy environmental protection monitoring sampling equipment insert in the aquatic bed mud, inside partial bed mud entered into the sampling pipe along with rivers, store in storing up the appearance recess. Meanwhile, the staff operates the rotating handle to stabilize the equipment, the downward pressure of the pressure plate is given by the fixed piston through the control switch on the digital display, the bottom mud is compacted by adjusting the distance from top to bottom of the pulley in the pressure plate, then the contact induction head touches the river bottom surface to send a feedback signal, the signal receiver receives the feedback signal and transmits the feedback signal to the signal processing assembly, the signal processing assembly calculates and processes the feedback signal, the distance from the top end of the contact induction head to the pressure plate is obtained, and the thickness of the bottom mud is obtained. The thickness of the sediment is displayed through a digital display.
Compared with the prior art, the invention has the following beneficial effects:
1. the river sediment sampler can sample sediment while measuring the thickness of the sediment in a river, and the sampling pipe is marked with scale marks, and the sample storage grooves are respectively positioned at different heights, so that sediment at different depths can be sampled, and the time for separating the sediment from the sediment can be better saved.
2. After the bottom mud is compacted by the pressurizing disc, the distance from the bottom surface of the river to the pressurizing disc is measured to be the thickness of the bottom mud instead of directly measuring the thickness of the bottom mud; the invention reduces the external influence and operation error in the measuring process, and can more accurately measure the thickness of the sediment.
Drawings
Fig. 1 is a schematic structural diagram of a water conservancy environmental monitoring sampling device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a double-layer pipeline provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a rotating handle according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a sampling tube according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pressure plate according to an embodiment of the present invention.
In the drawings: 1. a digital display; 2. a signal processing component; 3. a fixed piston; 4. a signal receiver; 5. a sampling tube; 5A, scale marks; 5B, a sampler; 5C, connecting a sleeve; 6. a sample storage groove; 7. rotating the handle; 7A, a central rotating hole; 7B, rotating a lever; 7C, a central column; 8. a base; 9. a double-layer pipeline; 9A, wrapping a circle; 9B, an inner circle; 10. a pressure plate is added; 10A, a hollow disc body; 10B, a pulley; 11. and contacting the induction head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
1. As shown in fig. 1, a water conservancy environmental protection monitoring sampling device provided for an embodiment of the present invention includes:
a sampling tube 5 with a sample storage groove 6 inside;
the contact induction head 11 is arranged at one end of the sampling pipe 5 and is used for sending a feedback signal when the sampling pipe is contacted with the sediment;
the double-layer pipeline 9 is connected with the other end of the sampling pipe 5; a pressure adding plate 10 and a fixed piston 3 are nested between the sampling pipe 5 and the double-layer pipeline 9;
the signal receiver 4 is arranged inside the pressurizing disc 10 and used for receiving and transmitting the feedback signal;
the signal processing assembly 2 is nested on the double-layer pipeline 9 through a base 8 and is used for processing the feedback signal;
the digital display 1 is connected with the signal processing component 2 and used for displaying the result processed by the signal processing component 2;
the rotary handle 7 is arranged on the digital display 1; the double-layer pipeline 9 passes through the digital display 1 and is connected with the rotating handle 7.
Specifically, store up appearance recess 6 and be equipped with many, be located not co-altitude respectively, can sample the bed mud of the different degree of depth, sampling pipe 5 is connected with double-deck pipeline 9 and does not link up, and the one end of rotatory handle 7 inlays in digital display 1's inside, and double-deck pipeline 9 passes base 8, signal processing subassembly 2, digital display 1 and rotatory handle 7 vertical welding together. During the use, the staff will water conservancy environmental protection monitoring sampling equipment insert in the aquatic bed mud, inside partial bed mud entered into sampling pipe 5 along with rivers, store in storing up appearance recess 6. Meanwhile, the staff operates the rotating handle 7 to stabilize the equipment, downward pressure is given to the pressurizing disc 10 by controlling the fixed piston 3, the sediment is compacted by the pressurizing disc 10, then the contact induction head 11 touches the river bottom surface to send a feedback signal, the signal receiver 4 receives the feedback signal and transmits the feedback signal to the signal processing assembly 2, the signal processing assembly 2 calculates and processes the feedback signal, and the distance from the top end of the contact induction head 11 to the pressurizing disc 10, namely the thickness of the sediment, is obtained.
Compared with the prior art, the invention has the following beneficial effects:
the river sediment sampler can sample sediment in a river while measuring the thickness of the sediment, the sampling pipe 5 is marked with scale marks 5A, the sample storage grooves 6 are respectively positioned at different heights, sediment at different depths can be sampled, and the time for separating the sediment from the sediment can be better saved.
After the bottom mud is compacted by the pressurizing disc 10, the distance from the bottom surface of the river to the pressurizing disc 10 is measured to be the thickness of the bottom mud instead of directly measuring the thickness of the bottom mud; the invention reduces the external influence and operation error in the measuring process, and can more accurately measure the thickness of the sediment.
As shown in fig. 2, as a preferred embodiment of the present invention, the double-layered pipe 9 includes:
an outer wrapping circle 9A;
and the inner circle 9B is arranged inside the outer circle 9A, and no gap exists between the outer circle 9A and the inner circle 9B.
Specifically, inside the interior circle 9B was located mostly to the mechanical electric wire among the water conservancy environmental protection monitoring sampling equipment, the design of the dual parcel of double-deck pipeline 9 made the inside airtight no water that keeps of double-deck pipeline 9, the effectual effective operation and the transmission signal's of guaranteeing the inside mechanical electric wire of pipeline function.
As a preferred embodiment of the present invention, the digital display 1 includes a driving board, a power board, a backlight board, a display screen, a key board and a casing; the display screen is embedded in the surface of the shell.
Specifically, the thickness of the sediment obtained by calculating the signal processing assembly 2 can be directly displayed through the display screen, and the data of the thickness of the sediment can be visually obtained when the device is used. The power panel provides a power source for the water conservancy environmental protection monitoring sampling equipment.
As shown in fig. 3, the rotating handle 7, as a preferred embodiment of the present invention, includes:
a rotation lever 7B; the middle part of the rotating lever 7B is provided with a central rotating hole 7A;
a center post 7C; the central column 7C passes through the central rotating hole 7A and is connected with the double-layer pipeline 9; the central column 7C is fixedly connected with the rotating lever 7B.
Specifically, the central rotating hole 7A is located in the middle of the rotating lever 7B, the central column 7C penetrates through the central rotating hole 7A to be welded with the double-layer pipeline 9, and the central column 7C is fixed with the rotating lever 7B.
As a preferred embodiment of the present invention, the signal processing component 2 includes an input module, a calculation module and an output module; the output module is electrically connected with the digital display 1.
Specifically, the input module is electrically connected with the signal receiver 4, the output module is electrically connected with the digital display 1, and the electrically connected wires can be arranged inside the double-layer pipeline 9 for convenience of appearance. During operation, the contact induction head 11 sends a feedback signal to the signal receiver 4, the signal receiver 4 transmits the signal to the input module, the input module transmits the signal to the calculation module, the calculation module performs calculation processing on the feedback signal, and a calculation processing result is transmitted to the digital display 1 through the output module.
As a preferred embodiment of the present invention, the stationary piston 3 includes a crown, a head, and a skirt.
As a preferred embodiment of the present invention, the water conservancy environmental monitoring and sampling device further includes a piston control assembly for driving the fixed piston 3 to operate; the piston control assembly includes:
a mechanical power group; the mechanical power set is arranged in the fixed piston 3;
a control switch; the control switch is arranged on the digital display 1;
an operating line; the mechanical power unit is electrically connected with the control switch through an operating wire.
Specifically, the control switch is arranged on the digital display 1, and can be integrated with a key board on the digital display 1. The operating line is arranged in the double-layer pipeline 9, and the mechanical power set is controlled by the control switch to drive the fixed piston 3 to operate.
As shown in fig. 4, the sampling tube 5 comprises, as a preferred embodiment of the present invention:
a connection sleeve 5C; the inner wall of the connecting sleeve 5C is provided with scale marks 5A; the sample storage groove 6 is arranged on the connecting sleeve 5C;
a sampler 5B; the sampler 5B communicates with the connection sleeve 5C.
Specifically, the connecting sleeve 5C is connected and not communicated with the double-layer pipeline 9, and the connecting sleeve 5C is connected and communicated with the sampler 5B. Store up appearance recess 6 and set up on the inner wall of adapter sleeve 5C both sides, store up appearance recess 6 and have many, are located not co-altitude respectively, can sample the bed mud of the different degree of depth. The inner wall of the connecting sleeve 5C is also provided with scale marks 5A for reflecting the depth of the sediment.
As a preferred embodiment of the present invention, the touch sensor head 11 comprises a touch housing, a piezoelectric ceramic, an acoustic material, an attachment base, a concealing material and a pin; the pins are connected with the acoustic material; one end of the piezoelectric ceramic is connected with the shell, and the other end of the piezoelectric ceramic is connected with the acoustic material.
Specifically, the contact housing is made of metal, and the piezoelectric ceramic is used for generating a feedback signal when receiving pressure, and further transmitting the feedback signal to the signal receiver 4.
As shown in fig. 5, as a preferred embodiment of the present invention, the pressurizing disk 10 includes:
a hollow circular disk body 10A; a smooth track is arranged on the inner circumference of the hollow disc body 10A;
a pulley 10B; composition is carried out; the pulley 10B is slidably disposed in a smooth track.
Specifically, the pulley 10B is a small pulley, and the pulley 10B is provided with a plurality of parts, and is arranged inside the hollow circular disc body 10A in a smooth track. The pulley 10B is located the hollow disc body 10A's hollow circle inboard and the lock is in the coplanar together, makes things convenient for the removal and the adjustment position that pressure dish 10 can be better, has ensured the abundant compaction of bed mud, reduces the error that the influence of other external factors and produced. When the device works, the fixed piston 3 applies force downwards, the pulley 10B moves along a smooth track along with the pressure, and the hollow disc body 10A contacts with bottom mud to continuously compact the bottom mud.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (13)
1. The utility model provides a water conservancy environmental protection monitoring sampling equipment, its characterized in that, water conservancy environmental protection monitoring sampling equipment includes:
a sampling pipe with a sample storage groove inside;
the contact induction head is arranged at one end of the sampling pipe and is used for sending a feedback signal when the contact induction head is contacted with the sediment;
the double-layer pipeline is connected with the other end of the sampling pipe; a pressure adding plate and a fixed piston are nested between the sampling pipe and the double-layer pipeline;
the signal receiver is arranged in the pressurizing disc and used for receiving and transmitting the feedback signal;
the signal processing assembly is nested on the double-layer pipeline through a base and is used for processing the feedback signal;
the digital display is connected with the signal processing assembly and used for displaying the result processed by the signal processing assembly;
the rotating handle is arranged on the digital display; the double-layer pipeline penetrates through the digital display and is connected with the rotating handle.
2. The water conservancy environmental protection monitoring sampling equipment of claim 1, characterized in that, double-deck pipeline includes:
wrapping the round;
the inner circle is arranged inside the outer wrapping circle, and no gap exists between the outer wrapping circle and the inner circle.
3. The water conservancy environmental protection monitoring sampling equipment of claim 1, wherein the digital display comprises a driving board, a power board, a backlight board, a display screen, a key board and a shell; the display screen is embedded in the surface of the shell.
4. The water conservancy environmental protection monitoring sampling equipment of claim 1, characterized in that, the rotation handle includes:
rotating the lever; the middle part of the rotating lever is provided with a central rotating hole;
a central column; the central column penetrates through the central rotating hole to be connected with the double-layer pipeline; the central column is fixedly connected with the rotating lever.
5. The water conservancy environmental protection monitoring sampling equipment of claim 1, wherein the signal processing assembly comprises an input module, a calculation module and an output module; the output module is electrically connected with the digital display.
6. The water conservancy environmental protection monitoring sampling equipment of claim 1, characterized in that, fixed piston includes piston crown, piston head and piston skirt.
7. The water conservancy environmental protection monitoring sampling device of claim 6, further comprising a piston control assembly for driving the fixed piston to operate; the piston control assembly includes:
a mechanical power group; the mechanical power set is arranged in the fixed piston;
a control switch; the control switch is arranged on the digital display;
an operating line; the mechanical power unit is electrically connected with the control switch through an operating wire.
8. The water conservancy environmental protection monitoring sampling equipment of claim 1, characterized in that, the sampling pipe includes:
connecting a sleeve; the inner wall of the connecting sleeve is provided with scale marks; the sample storage groove is arranged on the connecting sleeve;
a sampler; the sampler is communicated with the connecting sleeve.
9. The water conservancy environmental protection monitoring sampling equipment of claim 1, characterized in that, the contact inductive head includes contact shell, piezoelectric wafer, damping piece, protection film; the damping block is connected with the piezoelectric wafer; one end of the piezoelectric crystal is connected with the shell through a cable.
10. The water conservancy environmental protection monitoring sampling equipment of claim 1, characterized in that, pressure disc includes:
a hollow disc body; a smooth track is arranged on the inner circumference of the hollow disc body;
a pulley; the pulley is arranged in the smooth track in a sliding mode.
11. The water conservancy environmental protection monitoring sampling device of claim 9, wherein the piezoelectric crystal can convert electric energy into mechanical oscillation to generate ultrasonic waves, and can receive the ultrasonic waves to convert the ultrasonic waves into electric energy.
12. The water conservancy environmental protection monitoring sampling equipment of claim 9, characterized in that, the damping piece plays damping effect and absorption back transmission ultrasonic wave to the vibration of piezoelectric wafer.
13. The water conservancy environmental protection monitoring sampling equipment of claim 9, characterized in that, the protection film can make the piezoceramics piece not worn and improve the coupling effect of inductive head and subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305821.8A CN112461594A (en) | 2020-11-20 | 2020-11-20 | Water conservancy environmental protection monitoring sampling equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011305821.8A CN112461594A (en) | 2020-11-20 | 2020-11-20 | Water conservancy environmental protection monitoring sampling equipment |
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| CN112461594A true CN112461594A (en) | 2021-03-09 |
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| CN202011305821.8A Pending CN112461594A (en) | 2020-11-20 | 2020-11-20 | Water conservancy environmental protection monitoring sampling equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909976A (en) * | 2022-07-18 | 2022-08-16 | 山东兰图地理信息工程有限公司 | Survey and drawing device for collecting thickness of underwater silt |
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| CN209911027U (en) * | 2019-04-16 | 2020-01-07 | 沈阳环境科学研究院 | River silt sampling device |
| CN111649994A (en) * | 2020-07-06 | 2020-09-11 | 河海大学 | Automatic control deep sediment sample thief |
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| CN203629892U (en) * | 2013-12-03 | 2014-06-04 | 常州市排水管理处 | Measurement sampling tool |
| CN206430670U (en) * | 2016-12-30 | 2017-08-22 | 安徽理工大学 | A kind of river bottom mud measurer for thickness |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114909976A (en) * | 2022-07-18 | 2022-08-16 | 山东兰图地理信息工程有限公司 | Survey and drawing device for collecting thickness of underwater silt |
| CN114909976B (en) * | 2022-07-18 | 2022-09-13 | 山东兰图地理信息工程有限公司 | Survey and drawing device for collecting thickness of underwater silt |
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Application publication date: 20210309 |