CN205861011U - A kind of pipeline deposit detector - Google Patents
A kind of pipeline deposit detector Download PDFInfo
- Publication number
- CN205861011U CN205861011U CN201620666734.8U CN201620666734U CN205861011U CN 205861011 U CN205861011 U CN 205861011U CN 201620666734 U CN201620666734 U CN 201620666734U CN 205861011 U CN205861011 U CN 205861011U
- Authority
- CN
- China
- Prior art keywords
- hydraulic pressure
- sonar
- circuit board
- pressure sensor
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
This utility model belongs to pipe detection field, disclose a kind of pipeline deposit detector, described pipeline deposit detector includes floating raft protective cover, it is positioned at the floating drum below described floating raft protection cover plate, photographic head, sonar capsule, circuit board casing, towing sensor wire and bottom hydraulic pressure sensor, described floating raft protective cover is connected with described floating drum and described circuit board casing respectively, described photographic head is all connected by wire with described circuit board casing with described sonar capsule, described towing sensor wire is used for connecting described circuit board casing and described bottom hydraulic pressure sensor；By bottom hydraulic pressure sensor and be positioned at the upper pressure sensor of circuit board box house and can realize quickly detecting pipeline mobility sposh and hard sedimentary.
Description
Technical field
This utility model belongs to pipe detection field, particularly relates to a kind of pipeline deposit detector.
Background technology
Municipal sewage pipe network is through long-term operation, due to the reason such as change of long-term deposition and water quality and quantity,
One layer of thicker sedimentary can be formed bottom sewage conduct.Sedimentary is divided into mobility sposh sedimentary and hard sedimentary,
The water passing capacity formed will sewage network reduced of sedimentary, the problem such as cause that sewage overflows.Meanwhile, sedimentary is enriched with
Heavy metal, nutrient substance and hardly degraded organic substance etc. can discharge condition is suitable when in aqueous phase, cause water quality in pipe network
Deterioration, thus affect the properly functioning of downstream sewage treatment plant.Based on the problems referred to above, verify city sewage pipeline sediment
The physical index such as moisture content, density and pollutant component play vital effect for the control of sewage network deposit.
Current domestic conventional sewage conduct detection mode detection mode is mostly sonar detection, although its simple in construction,
Easy to use, but there is problems in that
(1) detection of city sewage pipeline sediment is poor in terms of implementation, the most any sonar detection equipment,
It is only able to detect the reflecting surface of sewage and other any media.Without mobility sposh, only hard deposit, then
Sonar can detect the reflecting surface of hard deposit.When there being a laminar flow sposh above hard deposit, then sonar is anti-
Reflect is the interface of sewage and mobility sposh, and common sonar detection can not meet the construction of water affairs management department proposition and want
Ask.
(2) existing pipeline lacks omnibearing detection, counts as in pipe, image, the thickness of deposit and pipe range etc. are comprehensive
According to, it is impossible to pipeline health status is made accurate evaluation, in order to the maintenance of later stage pipeline.
(3) the existing most self-powered equipment of pipeline deposit detector so that product structure is complicated, bulky,
When having served as narrow and small elongated pipeline, it is easy to the problems such as blocking occur.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of pipeline deposit detection
Instrument, it can not only detect the hard deposit thickness wrapped up by mobility sposh, and, pipeline can be carried out comprehensive inspection
Survey, do not carry power-equipment, in pipeline, be not susceptible to blocking etc..
This utility model is achieved in that a kind of pipeline deposit detector, including floating raft protective cover, is positioned at described
Floating drum, photographic head, sonar capsule, circuit board casing, towing sensor wire and bottom hydraulic pressure below floating raft protection cover plate pass
Sensor, described floating raft protective cover is connected with described floating drum and described circuit board casing respectively, described photographic head and described sonar
Head is all connected with described circuit board casing, and described photographic head and described sonar capsule be arranged in parallel, circuit board casing and described bottom
Hydraulic pressure sensor is connected by described towing sensor wire.
Specifically, being provided with a groove in the middle part of described floating raft protective cover towards water surface side, described photographic head is attached at institute
State in groove；Described floating drum is hollow cylindrical, is connected with described floating raft protective cover edge, and described floating drum quantity is even number
Individual, it is symmetrically distributed in described floating raft surrounding；Described towing sensor wire is flexible cable.Pipeline deposit detector makes
During with, the plane that scanning element is formed is parallel with pipeline section.
Specifically, described sonar capsule includes sonar probe, sonar protection device and sonar body, described sonar probe harmony
Protection device is connected with sonar body respectively, and described sonar capsule is for detecting pipe diameter and determining the position of sonar capsule, institute
State that sonar capsule is prominent to be fixed on described floating raft protective cover.
Specifically, described circuit board casing includes that the top of the pressure for measuring described circuit board casing place plane is subject to
Pressure unit, digital to analog converter, for controlling detector and carrying out control module and the shell of data process, described upper portion pressurized
Unit, digital-to-analogue conversion and control module are sequentially connected.
More specifically, described shell includes the water joint being arranged at described outer surface of outer cover, it is arranged at the bottom of described shell
Portion also connects the peg button of described shell and described control module, is built in the battery of described cover top portion, is arranged at described
Shell upper and the shooting head bore being sequentially connected, sonar hole and upper pressure delivery outlet.
Specifically, described bottom hydraulic pressure sensor include housing, drainage screen, end socket, capping, bottom hydraulic pressure sensing unit and
Water joint, hydraulic pressure sensor one end, described bottom is provided with drainage screen, end socket, capping and bottom hydraulic pressure sensing unit, described
Drainage screen is placed between described capping and described end socket, and described end socket is connected with described housing removably, described bottom water
The pressure sensor other end is provided with water joint.
More specifically, described bottom hydraulic pressure sensor hull outside is additionally provided with some arcuation ribs.
More specifically, described end socket is in the form of a ring, side is connected with described bottom hydraulic pressure sensing unit by screw thread, described envelope
Head central authorities are provided with a circular hole, and opposite side is connected with described capping by screw thread.
This utility model additionally provides and a kind of uses hard deposit in described pipeline deposit detector detection pipeline
Method, comprises the steps:
A: sonar headring sweeps one week, gathers 400 pips altogether, obtain each pip distance sonar capsule away from walk-off angle
Degrees of data；
B: with sonar capsule as initial point, sets up rectangular coordinate system, distance and the angle-data of each pip is converted into directly
Angle coordinate system coordinate；
C: be one circular by 400 pip coordinate fittings, obtains pipeline center's point coordinates；
D: obtain sonar capsule according to pipeline center and origin and put vertical dimension away from pipeline center；
E: upper water pressure sensor and bottom hydraulic pressure sensor gather hydraulic pressure data respectively, calculate top according to hydraulic pressure data
Hydraulic pressure sensor and the vertical dimension of bottom hydraulic pressure sensor, namely the distance that towed sensor is away from sonar capsule；
F: according to the towed sensor distance away from sonar capsule and pipe radius, obtain towed sensor away from duct bottom away from
From, namely the thickness of pipeline deposit.
A kind of pipeline deposit detector that this utility model provides, obtains caliber and the orientation letter of pipeline by sonar
Breath, obtains vertical to sonar of pipeline deposit hard layer according to the pressure differential of upper water pressure sensor and bottom hydraulic pressure sensor
Distance, thus obtain the thickness of pipeline deposit hard layer, effectively prevent mobility sposh in pipeline and deposit measuring hard
The impact of thing；By installing photographic head on pipeline deposit detector, it is possible to effectively detection pipe interior situation, improve and measure
Precision；By the sonar scanning to pipeline surrounding, accurately measure pipe radius, meanwhile, correct sonar position data, improve
Certainty of measurement.
The beneficial effects of the utility model are, use pipeline deposit detector of the present utility model, protect including floating raft
Guard shield, is positioned at the floating drum below described floating raft protection cover plate, photographic head, sonar capsule, circuit board casing, towing sensor wire
With bottom hydraulic pressure sensor, described floating raft protective cover is connected with described floating drum and described circuit board casing respectively, described shooting
Head is all connected with described circuit board casing with described sonar capsule, and described photographic head and described sonar capsule be arranged in parallel, circuit board case
Body is connected by described towing sensor wire with described bottom hydraulic pressure sensor, and so, bottom hydraulic pressure sensor is through flowing
Property sposh, measures the pressure of hard deposit place plane, according to the upper water pressure sensor measured by circuit board casing, thus
Can calculate the water surface height away from adamant sedimentary, pipeline surrounding is scanned by sonar capsule, obtains the coordinate of each scanning element, and then
Calculating pipe radius, in conjunction with the adamant sedimentary height away from the water surface, draw the height of hard deposit, photographic head is to pipeline
Interior integrated imaging, eliminates the detection equipment of complexity and costliness, is greatly improved detection quality, so that detection efficiency significantly carries
Height, and make testing cost significantly reduce；The floating drum below floating raft protection cover plate, photographic head, sonar capsule is made by floating drum
Bubble through the water column with circuit board casing, reduce the resistance that moves ahead.
Accompanying drawing explanation
Fig. 1 is the pipeline deposit detector front view that this utility model embodiment provides；
Fig. 2 is the pipeline deposit detector oblique view that this utility model embodiment provides；
Fig. 3 is the pipeline deposit detector use principle figure that this utility model embodiment provides；
Fig. 4 is the pipeline deposit detector bottom hydraulic pressure sensor sectional view that this utility model embodiment provides；
Fig. 5 is the pipeline deposit detector bottom hydraulic pressure sensor appearance assumption diagram that this utility model embodiment provides；
Fig. 6 is the pipeline deposit detector circuit board cabinet shell structure chart that this utility model embodiment provides；
Fig. 7 is the pipeline deposit detector circuit board casing appearance assumption diagram that this utility model embodiment provides；
Fig. 8 is the pipeline deposit detector sonar capsule appearance assumption diagram that this utility model embodiment provides；
Fig. 9 is pipeline deposit detector photographic head and the sonar capsule structure chart of this utility model embodiment offer.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of pipeline deposit detector that this utility model embodiment provides, including drift
Buoyant raft protective cover 11, be positioned at floating raft protection cover plate 11 below floating drum 12, photographic head 17, sonar capsule 13, circuit board casing 14,
Towing sensor wire 15 and bottom hydraulic pressure sensor 16, floating raft protective cover 11 respectively with floating drum 12 and circuit board casing 14 phase
Even, photographic head 17 is all connected by wire with circuit board casing 14 with sonar capsule 13, and towing sensor wire 15 is used for connecting electricity
Road plate casing 14 and bottom hydraulic pressure sensor 16.When user uses, bottom hydraulic pressure sensor 16 is through in pipeline deposit
Mobility sposh layer 3, arrives hard layer 4 and the intersection of mobility sposh layer 3 in pipeline deposit, records the pressure of present position
Power；Floating drum 12, photographic head 17, sonar capsule 13 and the circuit board casing 14 being connected with floating raft protective cover 11 floating by floating drum
Power, floats on liquid 2 surface, it is simple to pipeline 5 is scanned by sonar capsule 13；Pipeline deposit detector 1 during moving ahead,
Bottom hydraulic pressure sensor 16 below drive moves ahead, it is achieved the real-time measurement of hard deposit internal to pipeline 5.
The most as shown in Figures 2 and 3, specifically, in the middle part of described floating raft protective cover 11, it is provided with a groove towards water surface side,
For laying photographic head 17；Groove side is additionally provided with sonar capsule 13, and sonar capsule 13 rotates and is scanned pipeline.Sink for pipeline
Long-pending thing judges and detection process, and being maintained near the water surface of photographic head 17, if photographic head 17 setting height(from bottom) is too high, it is thus achieved that image
It is only pipe water upper images, it is impossible to see self finish and the situation of the following sewage of the water surface；Rational height is too low, and camera lens floods
Under the water surface, it is difficult to observe the situation above the water surface.
Further, towing sensor wire 15 is flexible cable, and flexible cable had both had good electric conductor, and had again
Good pliability, during detecting pipeline deposit, reduces the circuit cable impact on equipment as far as possible.
As shown in Figure 4 and Figure 5, bottom hydraulic pressure sensor 16 include housing 162, drainage screen 166, end socket 164, capping 165,
Bottom hydraulic pressure sensing unit 163 and water joint 161, bottom hydraulic pressure sensor 16 one end be provided with drainage screen 166, end socket 164,
Capping 165 and bottom hydraulic pressure sensing unit 163, drainage screen 166 is placed between capping 165 and end socket 164, end socket 164 and housing
162 by removably connecting, and the bottom hydraulic pressure sensor other end is provided with water joint 161.Water joint 161 and housing 162
It is threaded connection；Bottom hydraulic pressure sensor housing 162 is outside is additionally provided with some arcuation ribs 166；End socket 164 in the form of a ring,
End socket 164 central authorities are provided with a circular hole, and side is connected with bottom hydraulic pressure sensing unit 16 by screw thread, and opposite side passes through screw thread and envelope
Lid 165 is connected.Outside sewage, via capping 165, contacts with bottom hydraulic pressure sensing unit 163 through drainage screen 166, bottom water
Pressure sensing unit 163 receives coherent signal and corresponding analogue signal is converted into by being arranged at the digital to analog converter of inside
Can export with the accessible signal of telecommunication；Bottom hydraulic pressure sensor housing 162 is provided with ribs 166, on the one hand increases bottom hydraulic pressure
The bearing capacity of sensor housing 162, on the other hand, reduces the resistance that moves ahead of hydraulic pressure sensor housing 162.
As shown in Figure 6 and Figure 7, described circuit board casing 18 include the upper portion pressurized unit 185 for measuring upper pressure,
Digital to analog converter and for controlling detector, the control module carrying out data process and shell 18, upper portion pressurized unit
185, digital-to-analogue conversion and control module are sequentially connected, and shell 18 includes the water joint 184 being arranged at shell 18 outer surface, if
It is placed in bottom shell 18, for the peg button 182 being connected with control module by shell 18, is built in the battery at shell 18 top
183, it is arranged at shell 18 top, it is simple to use wire by photographic head 17, sonar 13 and upper portion pressurized unit and control module phase
Shooting head bore 187 even, sonar hole 186 and upper pressure delivery outlet 181.Circuit board casing 18 base plate matches with shell 18,
Constitute a rectangular member, in base plate, be provided with control module, sonar 13, photographic head 17, upper pressure delivery outlet 181 and bottom pressure
Power delivery outlet 188 gathers acoustic intelligence, video information and hydraulic pressure information respectively and delivers to control module and process and store.
As shown in Figure 8 and Figure 9, described sonar capsule 13 includes sonar probe 132, sonar protection device 133 and sonar body
131, sonar protection device 133 is made up of a dome and the some supports being connected with dome, and support converges towards central axis direction, uses
In reduce device resistance in moving ahead, protection sonar probe 132, sonar probe 132 and sonar protection device 133 respectively with sound
Body 131 is connected, and sonar capsule 13 is for detecting pipe diameter and determining the position of sonar capsule, and sonar capsule 13 is prominent is fixed on drift
On buoyant raft protective cover 11, sonar capsule 13 be arranged in parallel with photographic head 17.
This utility model additionally provides a kind of pipeline deposit detection method, comprises the steps:
A: sonar headring sweeps one week, gathers 400 pips successively, obtain each pip distance sonar capsule distance and
Angle-data；
B: with sonar capsule as initial point, sets up rectangular coordinate system, and distance and angle-data according to pip are converted into right angle
Coordinate system coordinate；
C: be one circular by 400 pip coordinate fittings, obtains pipeline center's point coordinates；
Pipeline center's point coordinates: Pointzx (Pgx0, Pgy0)
Wherein: px (i) represents the abscissa of i-th point, py (i) represents the vertical coordinate of i-th point, and the span of i is
0-300。
D: obtain sonar capsule according to pipeline center and origin and put vertical dimension away from pipeline center；
Sonar capsule coordinate points: Pointsz (Psx0, psy0)=(0,0)；Sonar capsule relative coordinate point is set to: (0,0).
Pipeline center's point coordinates point: Pointzx (Pgx0, Pgy0)
Distsg=psy0-Pgy0
E: upper water pressure sensor and bottom hydraulic pressure sensor gather hydraulic pressure data respectively, calculate top according to hydraulic pressure data
Hydraulic pressure sensor and the vertical dimension of bottom hydraulic pressure sensor, namely the distance that towed sensor is away from sonar capsule；
Hydraulic pressure sensor range: 5V/40 rice=5*1000mV/40*1000mm
=0.125mV/mm
Upper water pressure sensor measured value: pressure0 (mV)
Bottom hydraulic pressure sensor measured value: pressure1 (mM)
Distdty_sn (mm)=(pressure1 (mV)-pressure0 (mV))/0.125 (mM/mm)
F: according to the towed sensor distance away from sonar capsule and pipe radius, obtain towed sensor away from duct bottom away from
From, namely the thickness of pipeline deposit.
Distdty_gd (mm)=(Distsg+Diameter/2)-Distdty_sn (mm)
Distsg: sonar capsule puts vertical dimension away from pipeline center, and (it is positive number that sonar capsule is positioned at more than pipeline center's point, below
For negative)
Diameter: pipe diameter
(towed sensor and sonar capsule are in same level position for Distdty_sn: the towed sensor distance away from sonar capsule
Put).
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Any amendment, equivalent or the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (8)
1. a pipeline deposit detector, it is characterised in that include floating raft protective cover, is positioned at described floating raft protection cover plate
The floating drum of lower section, photographic head, sonar capsule, circuit board casing, towing sensor wire and bottom hydraulic pressure sensor, described floating raft
Protective cover is connected with described floating drum and described circuit board casing respectively, described photographic head and described sonar capsule all with described circuit board
Casing is connected, and described photographic head and described sonar capsule be arranged in parallel, and circuit board casing and described bottom hydraulic pressure sensor pass through institute
State towing sensor wire to be connected.
2. pipeline deposit detector as claimed in claim 1, it is characterised in that towards water in the middle part of described floating raft protective cover
Side, face is provided with a groove, and described photographic head is attached in described groove.
3. pipeline deposit detector as claimed in claim 1, it is characterised in that described floating drum is hollow cylindrical, with institute
Stating floating raft protective cover edge to be connected, described floating drum quantity is even number, is symmetrically distributed in described floating raft protective cover surrounding.
4. pipeline deposit detector as claimed in claim 1, it is characterised in that described towing sensor wire is flexible electrical
Cable.
5. pipeline deposit detector as claimed in claim 1, it is characterised in that described sonar capsule includes probe, protection dress
Putting and body, described sonar probe is connected with sonar body respectively with sonar protection device, and described sonar capsule is prominent is fixed on institute
State on floating raft protective cover.
6. pipeline deposit detector as claimed in claim 1, it is characterised in that described circuit board casing includes for measuring
The upper portion pressurized unit of described circuit board casing place applanation, digital to analog converter, it is used for controlling detector and carrying out data
The control module processed and shell, described upper portion pressurized unit, digital-to-analogue conversion and control module are sequentially connected.
7. as described in claim 6 pipeline deposit detector, it is characterised in that described shell include being arranged at described outside
The water joint of shell outer surface, is arranged at described outer casing bottom and connects the peg button of described shell and described control module,
It is built in the battery of described cover top portion, is arranged at described shell upper and the shooting head bore being sequentially connected, sonar hole and top
Pressure delivery outlet.
8. pipeline deposit detector as claimed in claim 1, it is characterised in that described bottom hydraulic pressure sensor includes shell
Body, drainage screen, end socket, capping, bottom hydraulic pressure sensing unit and water joint, hydraulic pressure sensor one end, described bottom is provided with
Drainage screen, end socket, capping and bottom hydraulic pressure sensing unit, described drainage screen is placed between described capping and described end socket, described
End socket is connected with described housing removably, and the described bottom hydraulic pressure sensor other end is provided with water joint, described bottom
Hydraulic pressure sensor hull outside is additionally provided with some arcuation ribs, and in the form of a ring, side is by screw thread and described bottom for described end socket
Hydraulic pressure sensing unit is connected, and described end socket central authorities are provided with a circular hole, and opposite side is connected with described capping by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666734.8U CN205861011U (en) | 2016-06-30 | 2016-06-30 | A kind of pipeline deposit detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666734.8U CN205861011U (en) | 2016-06-30 | 2016-06-30 | A kind of pipeline deposit detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861011U true CN205861011U (en) | 2017-01-04 |
Family
ID=57644143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620666734.8U Withdrawn - After Issue CN205861011U (en) | 2016-06-30 | 2016-06-30 | A kind of pipeline deposit detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861011U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973176A (en) * | 2016-06-30 | 2016-09-28 | 深圳市施罗德工业测控设备有限公司 | Pipe sediment detector and detection method |
| WO2018107483A1 (en) * | 2016-12-16 | 2018-06-21 | 深圳市施罗德工业测控设备有限公司 | Pipe sediment detector and detection method |
| CN109752706A (en) * | 2017-11-02 | 2019-05-14 | 沈阳新松机器人自动化股份有限公司 | A kind of adjustable sonar mechanism |
| CN113008103A (en) * | 2021-04-13 | 2021-06-22 | 中冶建工集团有限公司 | Sludge thickness measuring device in drain pipe |
-
2016
- 2016-06-30 CN CN201620666734.8U patent/CN205861011U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973176A (en) * | 2016-06-30 | 2016-09-28 | 深圳市施罗德工业测控设备有限公司 | Pipe sediment detector and detection method |
| CN105973176B (en) * | 2016-06-30 | 2019-10-25 | 深圳市施罗德工业测控设备有限公司 | A kind of pipeline deposit detector and detection method |
| WO2018107483A1 (en) * | 2016-12-16 | 2018-06-21 | 深圳市施罗德工业测控设备有限公司 | Pipe sediment detector and detection method |
| CN109752706A (en) * | 2017-11-02 | 2019-05-14 | 沈阳新松机器人自动化股份有限公司 | A kind of adjustable sonar mechanism |
| CN113008103A (en) * | 2021-04-13 | 2021-06-22 | 中冶建工集团有限公司 | Sludge thickness measuring device in drain pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205861011U (en) | A kind of pipeline deposit detector | |
| KR101674373B1 (en) | Sensor for monitoring corrosion and method for manufacturinf same | |
| CN105973176A (en) | Pipe sediment detector and detection method | |
| CN101401011B (en) | Electric field sensor for marine environments | |
| CN105526909B (en) | A kind of sedimentation detection method and device based on image recognition principle | |
| CN201397365Y (en) | Conductivity sensor with seven electrodes | |
| Puleo et al. | Comprehensive field study of swash-zone processes. I: Experimental design with examples of hydrodynamic and sediment transport measurements | |
| JP4009696B2 (en) | Fluid flow rate calculation method | |
| JP5027244B2 (en) | Method and apparatus for detecting and / or quantifying water leaks | |
| KR102271549B1 (en) | Capacitance type wave height meter calibration device and calibration method | |
| CN208736496U (en) | A kind of buried pressure water-level gauge of the bitubular | |
| CN209296079U (en) | A kind of more element integration ecologicals station | |
| CN104482853A (en) | Device and method for on-site real-time measurement of at-sea oil film thickness | |
| CN204255283U (en) | Existing field real-time measurement offshore oil film thickness device | |
| CN107238483B (en) | For defeated acquisition device, the system and method for moving pressure and defeated shifting audio of boulder and cobble | |
| CN205981377U (en) | Laser liquid -level measuring device | |
| JP2515922B2 (en) | Water depth position and potential measuring device for underwater metal structures | |
| CN208568663U (en) | A kind of salinity and dissolved oxygen content measuring device | |
| CN109405898A (en) | A kind of buried pressure water-level gauge of the bitubular | |
| CN207923214U (en) | A kind of ultrasonic flow rate measurement device | |
| WO2014019289A1 (en) | Capacitance induction-type automatic tidal observation device | |
| CN206773187U (en) | The device of gas circulation is calculated based on acoustics backscatter intensity | |
| CN206772293U (en) | Middle and small river Sediment dynamics riverbed base in-situ monitoring device | |
| WO2018107483A1 (en) | Pipe sediment detector and detection method | |
| CN206709775U (en) | A kind of civil engineering paint film thickness gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 11/F, Silver Star Zhijie Building 2, 1301 Guanlan Street, Longhua New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Schroder Industry Group Co., Ltd. Address before: 518000 2nd and 3rd floors of No. 9 workshop of Xilitang Lang Tongfu Industrial City, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CITY SCHROEDER MEASUREMENT AND CONTROL EQUIPMENT CO., LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170104 Effective date of abandoning: 20191025 |