CN112379071A - Water quality monitoring sensor - Google Patents

Water quality monitoring sensor Download PDF

Info

Publication number
CN112379071A
CN112379071A CN202011340497.3A CN202011340497A CN112379071A CN 112379071 A CN112379071 A CN 112379071A CN 202011340497 A CN202011340497 A CN 202011340497A CN 112379071 A CN112379071 A CN 112379071A
Authority
CN
China
Prior art keywords
spherical
net
blocking net
water quality
box body
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.)
Granted
Application number
CN202011340497.3A
Other languages
Chinese (zh)
Other versions
CN112379071B (en
Inventor
章雪挺
吴涛
吴国涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deqing Dark Blue Environmental Technology Co ltd
Original Assignee
Zhejiang Hanlu Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Hanlu Technology Co ltd filed Critical Zhejiang Hanlu Technology Co ltd
Priority to CN202011340497.3A priority Critical patent/CN112379071B/en
Publication of CN112379071A publication Critical patent/CN112379071A/en
Application granted granted Critical
Publication of CN112379071B publication Critical patent/CN112379071B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34—Purifying; Cleaning
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The water quality monitoring sensor comprises a first spherical blocking net and an installation box body arranged in the first spherical blocking net, wherein a sensor body is arranged on the installation box body, the middle part of the installation box body is fixedly connected with the first spherical blocking net and extends out of the first spherical blocking net, and the first rotating shaft is installed on the installation box body through a bearing. The water quality monitoring sensor is not easy to damage, has longer service life and better detection precision.

Description

Water quality monitoring sensor
Technical Field
The invention relates to the field of water quality monitoring, in particular to a water quality monitoring sensor.
Background
Most of the current water quality online sensors have two measuring modes, namely underground water in-situ monitoring and surface water in-situ monitoring, in popular terms, the sensors are placed in a water body to be measured through cables, and the lengths of the cables are determined by the conditions of underground water level and surface water level.
In the middle of the surface water monitoring, when the sensor is put into target water, because of the water flows, the sensor collides with hard objects such as aquatic stone very easily, and in addition, aquatic weeds, rotten branches and leaves and the like also can cause certain injury to sensor itself in the middle of the water. Therefore, in the prior art, a fixed protection box is usually arranged outside the sensor, but the fixed protection box is easy to remain or even leave waterweeds and rotten branches and leaves, and the water quality of a local area is affected by the existence of the objects, so that the measurement result of the sensor is inaccurate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the water quality monitoring sensor which is not easy to damage, has longer service life and better detection precision.
The water quality monitoring sensor comprises a first spherical blocking net and an installation box body arranged in the first spherical blocking net, wherein a sensor body is arranged on the installation box body, the middle part of the installation box body is fixedly connected with the first spherical blocking net and extends out of the first spherical blocking net, and the first rotating shaft is installed on the installation box body through a bearing.
Among this technical scheme, the spherical net that blocks plays the effect of keeping apart the sensor body, reduces the harm of aquatic object to the sensor body, has promoted the life of whole water quality monitoring sensor to the rotation through pivot one drives a rotation of spherical net, and the spherical net that blocks under the rotation state is difficult for remaining even incomplete around pasture and water, corrupt branches and leaves, and detection accuracy is better.
Preferably, still including setting up the spherical cutting net of a spherical blocking net inside, the installation box body is located inside the spherical cutting net, and the middle part department of installation box body still be equipped with spherical cutting net looks fixed connection and stretch out the pivot two outside the spherical blocking net is one, pivot two with the pivot one is located the both sides of installation box body, the spherical blocking net is one to be provided with the confession the pivot two passes through hole one, be provided with the confession on the spherical cutting net the first hole two that passes of pivot. When objects which are easy to wind such as aquatic weeds, rotten branches and leaves in the water body are wound on the first spherical blocking net and enter the first spherical blocking net under the action of the flowing water body, the second rotating shaft drives the first spherical cutting net to rotate, so that the objects entering the first spherical blocking net are cut off and chopped, the wound objects are prevented from being accumulated, meshes on the first spherical blocking net are prevented from being blocked, the water quality inside the first spherical blocking net is further prevented from being influenced, and the measurement accuracy of the sensor is further improved; according to the structure, the impact force of the water body on the installation box body is jointly born by the first rotating shaft and the second rotating shaft, the first rotating shaft and the second rotating shaft are not easy to deform, the structural strength of the whole water quality monitoring sensor is good, the stability is good, and the upper limit application value of the flow velocity of the water body is larger.
Preferably, still including setting up the inside sphere of spherical cutting net blocks net two, the installation box body is located the sphere blocks inside net two, and the sphere block net two with two fixed connection of pivot, the sphere blocks to be provided with the confession on the net two the first hole three that passes of pivot. The setting of net two is blocked to the sphere further plays the effect of keeping apart the sensor body for the winding object is when cutting up, prevents that the crushed aggregates from passing through the mesh of spherical cutting net and remaining on the sensor body, further reduces the harm to the sensor body, has promoted the life of whole water quality monitoring sensor, and promotes the accuracy that detects.
Preferably, the mesh aperture of the first spherical blocking net is larger than that of the spherical cutting net.
Preferably, the mesh aperture of the spherical cutting net is larger than that of the spherical blocking net II.
Preferably, a plurality of cutting edges are arranged on the mesh wire of the spherical cutting net, and the cutting direction of the cutting edges is the circumferential direction in which the cutting edges rotate around the second rotating shaft.
Preferably, the first spherical blocking net comprises a steel wire main body net and a smooth layer arranged on the outer surface of the steel wire main body net. And a smooth layer is arranged, so that the residue of objects in the water body on the first spherical barrier net is further reduced.
Preferably, the smoothing layer comprises an enamel layer.
In conclusion, the invention has the following beneficial effects:
1: the first spherical blocking net in the motion state can reduce the damage of objects in water to the sensor body, prolongs the service life of the whole water quality monitoring sensor, is not easy to leave or even leave around waterweeds and rotten branches and leaves, and has better detection precision;
2: the spherical cutting net is arranged to cut off and shred objects entering the first spherical blocking net, so that the objects are prevented from being wound, meshes on the first spherical blocking net are prevented from being blocked, the water quality inside the first spherical blocking net is further prevented from being influenced, and the measurement accuracy of the sensor is further improved;
3: the spherical blocking net II is arranged to further play a role in isolating the sensor body, so that when the wound object is cut up, crushed materials are prevented from passing through meshes of the spherical cutting net and remaining on the sensor body, damage to the sensor body is further reduced, the service life of the whole water quality monitoring sensor is prolonged, and the detection accuracy is improved;
4: whole water quality monitoring sensor, the spare part that involves constitutes in quantity less, only has spherical blocking net one, the installation box body, the sensor body, spherical cutting net, spherical blocking net two, pivot one, pivot second grade part, simple structure, moreover, pivot one and pivot two undertake the impact force of water to the installation box body jointly, pivot one and two non-deformable of pivot, whole water quality monitoring sensor's structural strength is good, and stability is good, and the upper limit of the water velocity of flow is suitable for the value and is bigger.
Drawings
FIG. 1 is a schematic cross-sectional view of a water quality monitoring sensor;
FIG. 2 is a schematic diagram of the tiling of a first spherical barrier net;
fig. 3 is a schematic diagram of the structure of the spherical blocking net I.
Detailed Description
The invention will be further explained by means of specific embodiments with reference to the drawings.
Example (b): as shown in figure 1, the water quality monitoring sensor comprises a spherical blocking net 1 and an installation box body 2 arranged in the spherical blocking net 1, wherein a sensor body 21 is arranged on the installation box body 2, the installation box body 2 is a sealing piece, a power supply capable of supplying power to the sensor body 21 is arranged inside the installation box body, a first rotating shaft 22 fixedly connected with the spherical blocking net 1 and extending out of the spherical blocking net 1 is arranged in the middle of the installation box body 2, and the first rotating shaft 22 is installed on the installation box body 2 through a bearing. When the rotary shaft I22 is used, the rotary shaft I is connected to the external equipment, and the external equipment provides rotary power. Among this technical scheme, spherical blocking net 1 plays the effect of keeping apart sensor body 21, reduces the harm of aquatic object to sensor body 21, has promoted the life of whole water quality monitoring sensor to the rotation through pivot 22 drives spherical blocking net 1 and rotates, and spherical blocking net 1 under the rotation state is difficult for remaining even incomplete around pasture and water, corrupt branches and leaves, and detection accuracy is better.
The water quality monitoring sensor also has the phenomenon that objects which are easy to wind such as aquatic weeds, rotten branches and leaves and the like in a water body are wound on the spherical blocking net I1 and enter the spherical blocking net I1 under the action of a flowing water body, the occurrence of the condition can block meshes on the spherical blocking net I1, further the water quality in the spherical blocking net I1 is influenced, and the final detection accuracy can have larger deviation, therefore, the water quality monitoring sensor also comprises a spherical cutting net 3 arranged in the spherical blocking net I1, the installation box body 2 is positioned in the spherical cutting net 3, a second rotating shaft 23 which is fixedly connected with the spherical cutting net 3 and extends out of the spherical blocking net I1 is further arranged in the middle part of the installation box body 2, and the second rotating shaft 23 is installed on the installation box body through a bearing, two 23 of pivot with a 22 of pivot is located the both sides of installation box body 2, two 23 of pivot are used for being connected to external equipment, provide rotary power by external equipment, spherical blocking net 1 is last to be provided with the confession the two 23 holes that pass 11 of pivot, be provided with the confession on the spherical cutting net 3 the two 31 holes that pass that the pivot a 22 passed, this structure, pivot a 22 and pivot two 23 undertake the water jointly to the impact force of installation box body 2, pivot a 22 and two 23 non-deformable in pivot, the structural strength of whole water quality monitoring sensor is good, and stability is good, and the upper limit application value of the water velocity of flow is bigger. When pasture and water in the water, easy winding object such as rotten branch and leaf twine and block net 1 and these twine the object and enter into the sphere under the effect of flowing water and block and net 1 inside when, the rotation of two 23 drive spherical cutting net 3, will enter into the sphere and block the object that net 1 was in and cut off, cut up, prevent twining piling up of object, prevent to block up the mesh on the spherical blocking net 1, and then prevent to influence the sphere and block the inside quality of water of net 1, further promote the measurement accuracy of sensor. In this embodiment, a plurality of cutting edges are arranged on the net wire of the spherical cutting net 3, the cutting direction of the cutting edges is the circumferential direction in which the cutting edges rotate around the second rotating shaft 23, the cutting edges are not shown in the attached drawings, and in order to timely discharge the fragments on the first spherical blocking net 1 and the spherical cutting net 3, the mesh aperture of the first spherical blocking net 1 is larger than that of the spherical cutting net 3.
After the winding object was minced, piece or garrulous piece still had the mesh through spherical cutting net 3 and remained the hidden danger on sensor body 21, so, further, the water quality monitoring sensor is still including setting up spherical cutting net 3 is inside blocks two 4 nets, installation box body 2 is located spherical blocks two 4 insides of net, and spherical block two 4 nets with two 23 fixed connection of pivot, be provided with the confession on the spherical block two 4 nets three 41 holes that pass that 22 passed of pivot. The setting of spherical blocking net two 4 further plays the effect of keeping apart sensor body 21 for the winding object is when cutting up, prevents that the crushed aggregates from passing through spherical cutting net 3's mesh and remaining on sensor body 21, further reduces the harm to sensor body 21, has promoted the life of whole water quality monitoring sensor to and promote the accuracy that detects, for this, need have certain requirement to spherical blocking net two 4's mesh size, promptly spherical cutting net 3's mesh aperture is greater than spherical blocking net two 4's mesh aperture, in time blocks the piece between net two 4 with spherical cutting net 3 and spherical blocking in time and discharges.
Preferably, as shown in fig. 2 to 3, the spherical barrier net 1 includes a wire body net 12, and a smooth layer 13 provided on an outer surface of the wire body net 12. And a smooth layer (13) is arranged to further reduce the residue of objects in the water body on the spherical barrier net I1, and the smooth layer (13) can be a glaze layer.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims (8)

1. Water quality monitoring sensor, its characterized in that is in including spherical blocking net (1), setting installation box body (2) in the spherical blocking net (1), be provided with sensor body (21) on the installation box body (2), the middle part department of installation box body (2) be equipped with spherical blocking net (1) looks fixed connection and stretch out pivot (22) outside the spherical blocking net (1), pivot (22) are installed on installation box body (2) through the bearing.
2. The water quality monitoring sensor according to claim 1, characterized by further comprising a spherical cutting net (3) arranged inside the spherical blocking net I (1), wherein the installation box body (2) is arranged inside the spherical cutting net (3), a second rotating shaft (23) fixedly connected with the spherical cutting net (3) and extending out of the spherical blocking net I (1) is further arranged at the middle part of the installation box body (2), the second rotating shaft (23) and the first rotating shaft (22) are arranged on two sides of the installation box body (2), a first passing hole (11) for the second rotating shaft (23) to pass through is arranged on the spherical blocking net I (1), and a second passing hole (31) for the first rotating shaft (22) to pass through is arranged on the spherical cutting net (3).
3. The water quality monitoring sensor according to claim 2, further comprising a second spherical blocking net (4) arranged inside the second spherical cutting net (3), wherein the installation box body (2) is positioned inside the second spherical blocking net (4), the second spherical blocking net (4) is fixedly connected with the second rotating shaft (23), and a third passing hole (41) for the first rotating shaft (22) to pass through is arranged on the second spherical blocking net (4).
4. A water quality monitoring sensor according to claim 2, wherein the mesh aperture of the spherical blocking net (1) is larger than that of the spherical cutting net (3).
5. A water quality monitoring sensor according to claim 3, wherein the mesh aperture of the spherical cutting net (3) is larger than that of the spherical blocking net two (4).
6. The water quality monitoring sensor according to claim 2, wherein a plurality of cutting edges are arranged on the mesh wire of the spherical cutting mesh (3), and the cutting direction of the cutting edges is the circumferential direction of the cutting edges rotating around the second rotating shaft (23).
7. A water quality monitoring sensor according to claim 1, wherein the first spherical blocking net (1) comprises a steel wire main body net (12) and a smooth layer (13) provided on the outer surface of the steel wire main body net (12).
8. A water quality monitoring sensor according to claim 7, wherein the smoothing layer (13) comprises a glaze layer.
CN202011340497.3A 2020-11-25 2020-11-25 Water quality monitoring sensor Active CN112379071B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011340497.3A CN112379071B (en) 2020-11-25 2020-11-25 Water quality monitoring sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011340497.3A CN112379071B (en) 2020-11-25 2020-11-25 Water quality monitoring sensor

Publications (2)

Publication Number Publication Date
CN112379071A true CN112379071A (en) 2021-02-19
CN112379071B CN112379071B (en) 2023-04-11

Family

ID=74588227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011340497.3A Active CN112379071B (en) 2020-11-25 2020-11-25 Water quality monitoring sensor

Country Status (1)

Country Link
CN (1) CN112379071B (en)

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633460A (en) * 1994-07-14 1997-05-27 Nec Corporation Ocean environment monitoring system and method for controlling the same
JP2003202309A (en) * 2002-01-07 2003-07-18 Kurita Water Ind Ltd Water quality-measuring apparatus
CN204374058U (en) * 2015-01-23 2015-06-03 中国计量学院 Based on the water quality indicator buoy sensor guard box of Fibre Optical Sensor
CN204374192U (en) * 2015-02-05 2015-06-03 金陵科技学院 A kind of Overwater floating water monitoring device
CN204594977U (en) * 2015-04-21 2015-08-26 西安航空学院 Based on the radio sensor network monitoring node apparatus of fishpond water quality monitoring
US20160011023A1 (en) * 2014-07-11 2016-01-14 Gemtek Technology Co., Ltd. Surveillance system with electricity converting module and sensors and method thereof
CN205200007U (en) * 2015-12-15 2016-05-04 天津农学院 A self -cleaning device for on -line monitoring quality of water sensor among aquaculture
CN106020016A (en) * 2016-05-11 2016-10-12 广东宁源科技园发展有限公司 Intelligent water purification device
CN107402045A (en) * 2017-08-01 2017-11-28 贵州大学 A kind of city river water quality monitoring protector for sensor
CN207210136U (en) * 2017-08-18 2018-04-10 广东家宝城市管理科技有限公司 A kind of Wastewater Treatment Intelligent controls filtering tank
CN207730675U (en) * 2017-12-21 2018-08-14 国家海洋局第二海洋研究所 Boat-carrying or the automatic detection of bank base water nutrition and prior-warning device
CN207861993U (en) * 2017-12-29 2018-09-14 广东威嘉环保科技有限公司 A kind of novel belt water quality monitoring integrated equipment for sewage treatment
CN208026727U (en) * 2018-04-09 2018-10-30 新昌县知谨纺织品有限公司 A kind of water quality sensor cleaning device
CN109471445A (en) * 2018-11-01 2019-03-15 浙江海洋大学 A kind of Novel cultivation monitoring system of movable type
CN209214994U (en) * 2018-10-31 2019-08-06 苏州国环环境检测有限公司 A kind of water monitoring device
CN209590003U (en) * 2018-12-18 2019-11-05 宁波高新区阶梯科技有限公司 A kind of water monitoring device
CN110465976A (en) * 2019-09-11 2019-11-19 广州飞创嘉佑科技有限公司 A kind of unmanned plane of the water sampling with cutter
CN111003107A (en) * 2019-11-25 2020-04-14 邱文博 Wetland environmental monitoring handles integration equipment
CN210347621U (en) * 2019-06-21 2020-04-17 武汉蓝邦环境工程有限公司 Surface water quality monitoring device
CN211122808U (en) * 2019-07-29 2020-07-28 中科新睿联科技信息(苏州)有限公司 Water quality monitoring sensor applied to water environment
CN111537687A (en) * 2020-04-30 2020-08-14 张亚军 Water quality detection sensor

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633460A (en) * 1994-07-14 1997-05-27 Nec Corporation Ocean environment monitoring system and method for controlling the same
JP2003202309A (en) * 2002-01-07 2003-07-18 Kurita Water Ind Ltd Water quality-measuring apparatus
US20160011023A1 (en) * 2014-07-11 2016-01-14 Gemtek Technology Co., Ltd. Surveillance system with electricity converting module and sensors and method thereof
CN204374058U (en) * 2015-01-23 2015-06-03 中国计量学院 Based on the water quality indicator buoy sensor guard box of Fibre Optical Sensor
CN204374192U (en) * 2015-02-05 2015-06-03 金陵科技学院 A kind of Overwater floating water monitoring device
CN204594977U (en) * 2015-04-21 2015-08-26 西安航空学院 Based on the radio sensor network monitoring node apparatus of fishpond water quality monitoring
CN205200007U (en) * 2015-12-15 2016-05-04 天津农学院 A self -cleaning device for on -line monitoring quality of water sensor among aquaculture
CN106020016A (en) * 2016-05-11 2016-10-12 广东宁源科技园发展有限公司 Intelligent water purification device
CN107402045A (en) * 2017-08-01 2017-11-28 贵州大学 A kind of city river water quality monitoring protector for sensor
CN207210136U (en) * 2017-08-18 2018-04-10 广东家宝城市管理科技有限公司 A kind of Wastewater Treatment Intelligent controls filtering tank
CN207730675U (en) * 2017-12-21 2018-08-14 国家海洋局第二海洋研究所 Boat-carrying or the automatic detection of bank base water nutrition and prior-warning device
CN207861993U (en) * 2017-12-29 2018-09-14 广东威嘉环保科技有限公司 A kind of novel belt water quality monitoring integrated equipment for sewage treatment
CN208026727U (en) * 2018-04-09 2018-10-30 新昌县知谨纺织品有限公司 A kind of water quality sensor cleaning device
CN209214994U (en) * 2018-10-31 2019-08-06 苏州国环环境检测有限公司 A kind of water monitoring device
CN109471445A (en) * 2018-11-01 2019-03-15 浙江海洋大学 A kind of Novel cultivation monitoring system of movable type
CN209590003U (en) * 2018-12-18 2019-11-05 宁波高新区阶梯科技有限公司 A kind of water monitoring device
CN210347621U (en) * 2019-06-21 2020-04-17 武汉蓝邦环境工程有限公司 Surface water quality monitoring device
CN211122808U (en) * 2019-07-29 2020-07-28 中科新睿联科技信息(苏州)有限公司 Water quality monitoring sensor applied to water environment
CN110465976A (en) * 2019-09-11 2019-11-19 广州飞创嘉佑科技有限公司 A kind of unmanned plane of the water sampling with cutter
CN111003107A (en) * 2019-11-25 2020-04-14 邱文博 Wetland environmental monitoring handles integration equipment
CN111537687A (en) * 2020-04-30 2020-08-14 张亚军 Water quality detection sensor

Also Published As

Publication number Publication date
CN112379071B (en) 2023-04-11

Similar Documents

Publication Publication Date Title
DE102006054667B4 (en) Collision Warning System for a Wind Turbine
ES2639119T3 (en) Lightning protection system for a wind turbine blade
ES2747075T3 (en) Device, system and procedure to control the connection by flanges of a wind turbine
CN112379071B (en) Water quality monitoring sensor
Scruton et al. Use of telemetry and hydraulic modeling to evaluate and improve fish guidance efficiency at a louver and bypass system for downstream-migrating Atlantic salmon (Salmo salar) smolts and kelts
CN105557188B (en) One kind throws device and Green-fodder harvesting machine
CN203505412U (en) Spherical anti-bird device for overhead ground wires
CN112405491A (en) Underwater robot
CN111696299B (en) Electrical fire monitoring detector
CN215003816U (en) Water level monitoring device for water conservancy construction
CN106087917A (en) A kind of penstock shutter equipment for agricultural irrigation
CN106070173A (en) New-type bird repeller
CN201972167U (en) Hydrological measurement work well used for fixed type ultrasonic flow velocity profiler
CN210222989U (en) Protection alarm device for forest fire
CN110016955A (en) Safe tower
JP2016171706A (en) Bird damage prevention device
CN109183708A (en) One kind is based on Qiantang River coastal waters mouthful sightseeing bank protection
CN207567924U (en) Retaining device, sewage treatment well
CN212747790U (en) Hydrological fish lead balancing device
CN107642159A (en) A kind of filter screen with fault detection system, sewage treatment well and detecting method
CN106995048A (en) A kind of antiwind cutter of stern tube shaft
CN209642177U (en) Bird's Nest cleaning plant
KR102100924B1 (en) A fence of golf field protected from strong wind
CN203511991U (en) Floating weed twining preventer for wire cables
DE102013103899B3 (en) Level indicator with rotating element

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Building 1, No. 926, Changhong East Street, Fuxi street, Deqing County, Huzhou City, Zhejiang Province, 313000 (Moganshan national high tech Zone)

Patentee after: Deqing dark blue Environmental Technology Co.,Ltd.

Address before: Building 1, No. 926, Changhong East Street, Fuxi street, Deqing County, Huzhou City, Zhejiang Province, 313000 (Moganshan national high tech Zone)

Patentee before: ZHEJIANG HANLU TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 313000 east of floor 1, building 1, No. 926, Changhong East Street, KangQian street, Deqing County, Huzhou City, Zhejiang Province

Patentee after: Deqing dark blue Environmental Technology Co.,Ltd.

Address before: Building 1, No. 926, Changhong East Street, Fuxi street, Deqing County, Huzhou City, Zhejiang Province, 313000 (Moganshan national high tech Zone)

Patentee before: Deqing dark blue Environmental Technology Co.,Ltd.