CN107422090A - A kind of city river water monitoring device - Google Patents
A kind of city river water monitoring device Download PDFInfo
- Publication number
- CN107422090A CN107422090A CN201710646925.7A CN201710646925A CN107422090A CN 107422090 A CN107422090 A CN 107422090A CN 201710646925 A CN201710646925 A CN 201710646925A CN 107422090 A CN107422090 A CN 107422090A
- Authority
- CN
- China
- Prior art keywords
- sensor
- water quality
- monitoring device
- channel
- quality monitoring
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 25
- 230000002787 reinforcement Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
本发明公开了一种城市河道水质监测装置，包括多个河道监测点的现场控制器，现场控制器连接有温度传感器、pH传感器、电导率传感器、溶解氧传感器、ORP传感器和浊度传感器以及伸缩气缸，并通过ZigBee无线模块连接到ZigBee协调器，ZigBee协调器通过GPRS模块连接到远程监控终端；本发明通过远程监控终端对多个现场监控点进行数据监控和采集，实现数据的远程传输，大大提高了采集效率，更加省时省力，而且远程对采集设备的伸缩气缸进行控制，实现根据需求进行传感器的伸缩实现采集，避免长期置于水中导致的易损坏，伸缩气缸动作后，在进行各个传感器的数据采集本发明还具有控制简单方便的特点。
The invention discloses an urban river water quality monitoring device, which comprises a plurality of on-site controllers for river monitoring points, and the on-site controller is connected with a temperature sensor, a pH sensor, a conductivity sensor, a dissolved oxygen sensor, an ORP sensor, a turbidity sensor and a telescopic Cylinder, and connected to ZigBee coordinator through ZigBee wireless module, ZigBee coordinator is connected to remote monitoring terminal through GPRS module; Improve the collection efficiency, save time and effort, and remotely control the telescopic cylinder of the collection equipment, realize the expansion and contraction of the sensor according to the demand to achieve collection, avoid the easy damage caused by long-term placement in water, after the telescopic cylinder moves, each sensor The present invention also has the characteristics of simple and convenient control.
Description
技术领域technical field
本发明属于河流水质监测技术领域，尤其涉及一种城市河道水质监测装置。The invention belongs to the technical field of river water quality monitoring, in particular to an urban river water quality monitoring device.
背景技术Background technique
现有的河流水质监测设备通常将探头插入到水流中进行探测，现有的都是通过现场去采集数据，费时费力，效率低下。The existing river water quality monitoring equipment usually inserts the probe into the water flow for detection. The existing data is collected on site, which is time-consuming, laborious and inefficient.
发明内容Contents of the invention
本发明要解决的技术问题是：提供一种城市河道水质监测装置，能够远程操控进行数据采集，省时省力，效率高，以解决上述现有技术中存在的问题。The technical problem to be solved by the present invention is to provide a water quality monitoring device for urban rivers, which can be remotely controlled for data collection, saves time and effort, and has high efficiency, so as to solve the above-mentioned problems in the prior art.
本发明采取的技术方案为：一种城市河道水质监测装置，包括多个河道监测点的现场控制器，现场控制器连接有温度传感器、pH传感器、电导率传感器、溶解氧传感器、ORP传感器和浊度传感器以及伸缩气缸，并通过ZigBee无线模块连接到ZigBee协调器，ZigBee协调器通过GPRS模块连接到远程监控终端。The technical solution adopted by the present invention is: a water quality monitoring device for urban rivers, including field controllers at multiple river monitoring points, the field controllers are connected with temperature sensors, pH sensors, conductivity sensors, dissolved oxygen sensors, ORP sensors and turbidity sensors. The degree sensor and telescopic cylinder are connected to the ZigBee coordinator through the ZigBee wireless module, and the ZigBee coordinator is connected to the remote monitoring terminal through the GPRS module.
优选的，上述温度传感器、pH传感器、电导率传感器、溶解氧传感器、ORP传感器和浊度传感器集成在一个水质探头上。Preferably, the above-mentioned temperature sensor, pH sensor, conductivity sensor, dissolved oxygen sensor, ORP sensor and turbidity sensor are integrated on one water quality probe.
优选的，上述水质探头固定连接在伸缩气缸的气缸杆上，伸缩气缸的气缸座固定连接在通道上，通道两端与河道连通并沿着河道设置，水质探头在气缸杆伸出后能够深入水中。Preferably, the above-mentioned water quality probe is fixedly connected to the cylinder rod of the telescopic cylinder, and the cylinder seat of the telescopic cylinder is fixedly connected to the passage, and the two ends of the passage are connected with the river and arranged along the river, and the water quality probe can penetrate into the water after the cylinder rod is stretched out. .
优选的，上述一种城市河道水质监测装置，还包括加强框，加强框中部设置有能穿过气缸杆的空心管，空心管长度大于气缸杆上水质探头伸出长度，加强框两侧固定连接在通道侧壁上，空心管内径大于水质探头最大直径和气缸杆直径。Preferably, the above-mentioned water quality monitoring device for urban rivers also includes a reinforcement frame, a hollow tube that can pass through the cylinder rod is arranged in the middle of the reinforcement frame, the length of the hollow tube is greater than the extension length of the water quality probe on the cylinder rod, and the two sides of the reinforcement frame are fixedly connected On the channel side wall, the inner diameter of the hollow tube is larger than the maximum diameter of the water quality probe and the diameter of the cylinder rod.
优选的，上述加强框包括两立柱和多条横杆，两立柱通过多条对称的横杆固定连接到空心管上。Preferably, the above-mentioned reinforcing frame includes two uprights and a plurality of cross bars, and the two uprights are fixedly connected to the hollow pipe through a plurality of symmetrical cross bars.
优选的，上述两立柱通过膨胀螺钉固定连接到通道侧壁上。Preferably, the above two uprights are fixedly connected to the channel side wall by expansion screws.
优选的，上述通道相对的侧壁上设置有两对称的竖直条形凹槽，加强框两端镶嵌到竖直条形凹槽内。Preferably, two symmetrical vertical strip-shaped grooves are provided on the opposite side walls of the channel, and both ends of the reinforcing frame are embedded in the vertical strip-shaped grooves.
优选的，上述空心管下端设置有过滤网。Preferably, a filter screen is provided at the lower end of the hollow tube.
本发明的有益效果：与现有技术相比，本发明效果如下：Beneficial effects of the present invention: compared with the prior art, the present invention has the following effects:
（1）本发明通过远程监控终端对多个现场监控点进行数据监控和采集，实现数据的远程传输，大大提高了采集效率，更加省时省力，而且远程对采集设备的伸缩气缸进行控制，实现根据需求进行传感器的伸缩实现采集，避免长期置于水中导致的易损坏，伸缩气缸动作后，在进行各个传感器的数据采集本发明还具有控制简单方便的特点；(1) The present invention monitors and collects data from multiple on-site monitoring points through a remote monitoring terminal, realizes remote transmission of data, greatly improves collection efficiency, saves time and effort, and remotely controls the telescopic cylinder of the collection equipment to realize According to the demand, the sensor can be stretched to realize the collection, avoiding the easy damage caused by long-term placement in the water. After the telescopic cylinder is activated, the data collection of each sensor is carried out. The present invention also has the characteristics of simple and convenient control;
（2）本发明通过设置空心管穿入水质探头，能够避免水流的冲击，对水质探头起到保护作用，大大提高水质探头的使用寿命，有效解决了现有技术中存在的水质探头易损坏的问题。(2) The present invention can avoid the impact of the water flow by setting the hollow tube to penetrate the water quality probe, protect the water quality probe, greatly improve the service life of the water quality probe, and effectively solve the problem that the water quality probe is easily damaged in the prior art. question.
附图说明Description of drawings
图1 为本发明的结构示意图；Fig. 1 is the structural representation of the present invention;
图2为本发明的布置在河道旁的结构示意图；Fig. 2 is the structural representation arranged beside the river course of the present invention;
图3为本发明的控制原理示意图。Fig. 3 is a schematic diagram of the control principle of the present invention.
具体实施方式detailed description
下面结合附图及具体的实施例对本发明进行进一步介绍。The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.
实施例1：如图1-如图3所示，一种城市河道水质监测装置，包括多个河道监测点的现场控制器，现场控制器连接有温度传感器、pH传感器、电导率传感器、溶解氧传感器、ORP传感器和浊度传感器以及伸缩气缸，并通过ZigBee无线模块连接到ZigBee协调器，ZigBee协调器通过GPRS模块连接到远程监控终端。Embodiment 1: as shown in Fig. 1-as shown in Fig. 3, a kind of urban river course water quality monitoring device comprises the field controller of a plurality of river course monitoring points, and the field controller is connected with temperature sensor, pH sensor, conductivity sensor, dissolved oxygen Sensors, ORP sensors, turbidity sensors, and telescopic cylinders are connected to the ZigBee coordinator through the ZigBee wireless module, and the ZigBee coordinator is connected to the remote monitoring terminal through the GPRS module.
优选的，上述温度传感器、pH传感器、电导率传感器、溶解氧传感器、ORP传感器和浊度传感器集成在一个水质探头3上。Preferably, the above-mentioned temperature sensor, pH sensor, conductivity sensor, dissolved oxygen sensor, ORP sensor and turbidity sensor are integrated on one water quality probe 3 .
优选的，上述水质探头3固定连接在伸缩气缸4的气缸杆5上，伸缩气缸4的气缸座6固定连接在通道1上，通道1两端与河道2连通并沿着河道设置，水质探头3在气缸杆5伸出后能够深入水中。Preferably, the above-mentioned water quality probe 3 is fixedly connected to the cylinder rod 5 of the telescopic cylinder 4, and the cylinder seat 6 of the telescopic cylinder 4 is fixedly connected to the channel 1, and the two ends of the channel 1 are connected with the river channel 2 and arranged along the river channel. The water quality probe 3 Can go deep into the water after the cylinder rod 5 stretches out.
优选的，上述一种城市河道水质监测装置，还包括加强框7，加强框7中部设置有能穿过气缸杆5的空心管8，空心管8长度大于气缸杆5上水质探头3伸出长度，加强框7两侧固定连接在通道1侧壁上，空心管8内径大于水质探头3最大直径和气缸杆5直径，通过加强框能够避免探头收到水流的冲击，提高探头的使用寿命。Preferably, the above-mentioned urban river water quality monitoring device also includes a reinforcing frame 7, the middle part of the reinforcing frame 7 is provided with a hollow tube 8 that can pass through the cylinder rod 5, and the length of the hollow tube 8 is greater than the extension length of the water quality probe 3 on the cylinder rod 5 , both sides of the reinforcement frame 7 are fixedly connected to the side wall of the channel 1, and the inner diameter of the hollow tube 8 is larger than the maximum diameter of the water quality probe 3 and the diameter of the cylinder rod 5. The reinforcement frame can prevent the probe from being impacted by the water flow and improve the service life of the probe.
优选的，上述加强框7包括两立柱9和多条横杆10，两立柱9通过多条对称的横杆10固定连接到空心管8上，该结构简单、制作成本低，框架结构便于水流流过，阻尼更小，使用寿命更长。Preferably, the above-mentioned reinforcing frame 7 includes two uprights 9 and a plurality of cross bars 10, and the two uprights 9 are fixedly connected to the hollow pipe 8 through a plurality of symmetrical cross bars 10. The structure is simple, the manufacturing cost is low, and the frame structure is convenient for water flow. However, the damping is smaller and the service life is longer.
优选的，上述两立柱9通过膨胀螺钉固定连接到通道1侧壁上，装卸方便，连接可靠。Preferably, the above-mentioned two uprights 9 are fixedly connected to the side wall of the channel 1 by expansion screws, which are easy to assemble and disassemble and reliable to connect.
优选的，上述通道1相对的侧壁上设置有两对称的竖直条形凹槽11，加强框7两端镶嵌到竖直条形凹槽11内，起到限位作用，减少连接螺钉受力，增加受力接触面，支撑更稳定，承载的水流冲击力更大。Preferably, two symmetrical vertical strip-shaped grooves 11 are arranged on the opposite side walls of the above-mentioned channel 1, and the two ends of the reinforcement frame 7 are embedded in the vertical strip-shaped grooves 11, which play a position-limiting role and reduce the impact of the connecting screw. Force, increase the force contact surface, the support is more stable, and the impact force of the water flow is greater.
优选的，上述空心管8下端设置有过滤网12，避免垃圾落入空心管造成堵塞，测试更精确。Preferably, the lower end of the above-mentioned hollow tube 8 is provided with a filter screen 12 to avoid clogging caused by garbage falling into the hollow tube, and the test is more accurate.
通过在河道旁设置通道，采用水质探头（温度传感器、pH传感器、电导率传感器、溶解氧传感器、ORP传感器和浊度传感器传感器），能够实现水质的温度、pH、电导率、溶解氧、ORP以及浊度的测量，避免人工操作，省时省力，采用伸缩气缸，能够实现探头的伸缩，避免探头长期置于水中导致的侵蚀，确保测量数据更精确，使用寿命更长，将河道各个路段的水质通过ZigBee无线模块传输到远程监控终端，监测数据实时可靠，遥控设置，更加省时省力，减少操作人员。By setting up channels beside the river and using water quality probes (temperature sensor, pH sensor, conductivity sensor, dissolved oxygen sensor, ORP sensor and turbidity sensor), the temperature, pH, conductivity, dissolved oxygen, ORP and The measurement of turbidity avoids manual operation, saves time and effort, and adopts a telescopic cylinder to realize the expansion and contraction of the probe, avoiding the erosion caused by long-term placement of the probe in water, ensuring more accurate measurement data and longer service life, and improving the water quality of each section of the river. The monitoring data is transmitted to the remote monitoring terminal through the ZigBee wireless module, and the monitoring data is real-time and reliable, and the remote control setting saves time and effort, and reduces the number of operators.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内，因此，本发明的保护范围应以所述权利要求的保护范围为准。The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be based on the protection scope of the claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646925.7A CN107422090A (en) | 2017-08-01 | 2017-08-01 | A kind of city river water monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646925.7A CN107422090A (en) | 2017-08-01 | 2017-08-01 | A kind of city river water monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107422090A true CN107422090A (en) | 2017-12-01 |
Family
ID=60436518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710646925.7A Pending CN107422090A (en) | 2017-08-01 | 2017-08-01 | A kind of city river water monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107422090A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249622A (en) * | 2018-02-02 | 2018-07-06 | 广东绿康源美环境科技有限公司 | Laboratory waste liquid processing unit |
| CN108414707A (en) * | 2017-12-08 | 2018-08-17 | 孙江花 | A kind of water quality of river real-time detection apparatus |
| CN108445177A (en) * | 2018-04-09 | 2018-08-24 | 衡水学院 | A kind of lake water safety detection device for environmental protection |
| CN108918799A (en) * | 2018-04-04 | 2018-11-30 | 青岛理工大学 | Early warning equipment for regularly and quantitatively monitoring water supply flow velocity |
| CN110864741A (en) * | 2019-11-28 | 2020-03-06 | 江苏迦楠环境科技有限公司 | Pollution source monitoring system with differentiation pretreatment function |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006105834A (en) * | 2004-10-07 | 2006-04-20 | Mitsubishi Electric Corp | Apparatus for measuring water quality |
| CN102243092A (en) * | 2011-05-05 | 2011-11-16 | 安徽润佳电缆集团股份有限公司 | Tool for detecting stream parameters |
| CN103728428A (en) * | 2013-12-24 | 2014-04-16 | 蒙宏铅 | Water quality real-time online monitoring system |
| US20140200840A1 (en) * | 2012-12-19 | 2014-07-17 | Instrument Works Pty Ltd | Platform for Portable Sensing Applications |
| CN103969414A (en) * | 2014-05-14 | 2014-08-06 | 杭州中旺科技有限公司 | Wireless water quality multi-parameter monitoring system |
| CN204389477U (en) * | 2015-01-19 | 2015-06-10 | 通威股份有限公司 | A kind of online water quality monitoring equipment probe |
| CN204666190U (en) * | 2015-05-07 | 2015-09-23 | 广西壮族自治区环境保护科学研究院 | A kind of drinking water source water quality monitoring system |
| CN205229084U (en) * | 2015-12-21 | 2016-05-11 | 郑州视泉电子科技有限公司 | Quality of water automatic monitoring system based on GPRS |
| CN205861096U (en) * | 2016-03-31 | 2017-01-04 | 广东天基网控环境科技有限公司 | A kind of dismantled and assembled buoy Multiparameter water quality monitoring system |
| CN205981297U (en) * | 2016-08-31 | 2017-02-22 | 天津宇创屹鑫科技有限公司 | Integrative changer of temperature liquid level |
| CN207423944U (en) * | 2017-08-01 | 2018-05-29 | 贵州大学 | A kind of city river water monitoring device |
-
2017
- 2017-08-01 CN CN201710646925.7A patent/CN107422090A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006105834A (en) * | 2004-10-07 | 2006-04-20 | Mitsubishi Electric Corp | Apparatus for measuring water quality |
| CN102243092A (en) * | 2011-05-05 | 2011-11-16 | 安徽润佳电缆集团股份有限公司 | Tool for detecting stream parameters |
| US20140200840A1 (en) * | 2012-12-19 | 2014-07-17 | Instrument Works Pty Ltd | Platform for Portable Sensing Applications |
| CN103728428A (en) * | 2013-12-24 | 2014-04-16 | 蒙宏铅 | Water quality real-time online monitoring system |
| CN103969414A (en) * | 2014-05-14 | 2014-08-06 | 杭州中旺科技有限公司 | Wireless water quality multi-parameter monitoring system |
| CN204389477U (en) * | 2015-01-19 | 2015-06-10 | 通威股份有限公司 | A kind of online water quality monitoring equipment probe |
| CN204666190U (en) * | 2015-05-07 | 2015-09-23 | 广西壮族自治区环境保护科学研究院 | A kind of drinking water source water quality monitoring system |
| CN205229084U (en) * | 2015-12-21 | 2016-05-11 | 郑州视泉电子科技有限公司 | Quality of water automatic monitoring system based on GPRS |
| CN205861096U (en) * | 2016-03-31 | 2017-01-04 | 广东天基网控环境科技有限公司 | A kind of dismantled and assembled buoy Multiparameter water quality monitoring system |
| CN205981297U (en) * | 2016-08-31 | 2017-02-22 | 天津宇创屹鑫科技有限公司 | Integrative changer of temperature liquid level |
| CN207423944U (en) * | 2017-08-01 | 2018-05-29 | 贵州大学 | A kind of city river water monitoring device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414707A (en) * | 2017-12-08 | 2018-08-17 | 孙江花 | A kind of water quality of river real-time detection apparatus |
| CN108249622A (en) * | 2018-02-02 | 2018-07-06 | 广东绿康源美环境科技有限公司 | Laboratory waste liquid processing unit |
| CN108249622B (en) * | 2018-02-02 | 2021-02-26 | 绿康环境技术发展(广东)有限公司 | Laboratory waste liquid treatment device |
| CN108918799A (en) * | 2018-04-04 | 2018-11-30 | 青岛理工大学 | Early warning equipment for regularly and quantitatively monitoring water supply flow velocity |
| CN108445177A (en) * | 2018-04-09 | 2018-08-24 | 衡水学院 | A kind of lake water safety detection device for environmental protection |
| CN110864741A (en) * | 2019-11-28 | 2020-03-06 | 江苏迦楠环境科技有限公司 | Pollution source monitoring system with differentiation pretreatment function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107422090A (en) | A kind of city river water monitoring device | |
| CN107402045A (en) | A kind of city river water quality monitoring protector for sensor | |
| CN106351614A (en) | Preferred pipe column water drainage gas production simulation device and experiment method | |
| CN207423944U (en) | A kind of city river water monitoring device | |
| CN204374180U (en) | A kind of Demountable combined-type microorganism solidity test device | |
| CN207379531U (en) | An urban river water quality monitoring sensor protection device | |
| CN107340372A (en) | A kind of city river water monitoring device detection channels | |
| CN207067092U (en) | A kind of permeable pavement structure cuts dirty effect detection system | |
| CN207336507U (en) | A kind of city river water monitoring device detection channels | |
| CN216560643U (en) | Water velocity measuring instrument water velocity measuring fixing equipment for hydraulic engineering | |
| CN208171738U (en) | A kind of Novel engineering construction pressure detecting simulator | |
| CN204064597U (en) | The erecting frame of Longspan Bridge Long-term Deflection monitoring hydrostatic level | |
| CN207919700U (en) | Intelligentized water conservancy drainage arrangement | |
| CN203132822U (en) | Anchor pole tensioning test apparatus | |
| CN107081004B (en) | A kind of easy-to-dismount adjustable tap water purifying equipment | |
| CN109323719A (en) | A kind of water quality of river monitoring system | |
| CN211422601U (en) | Monitoring probe and control system for intelligent control of oil well | |
| CN207032172U (en) | A kind of city river water quality detection channels gate | |
| CN204418125U (en) | A kind ofly be applicable to the trashrack of farmland raceway groove and simple and easy biological bridge dual-purpose apparatus | |
| CN107049340A (en) | A kind of sensor fast changeable formula urinary flow detection device | |
| CN204422519U (en) | A kind of soil erosion amount monitoring facilities | |
| CN209559690U (en) | Pressure type bleeding rate detection device | |
| CN105548264A (en) | Indoor pollution soil electro-osmosis drainage reinforcement device | |
| CN205822498U (en) | A kind of antidetonation body of wall | |
| CN216078914U (en) | Reservoir water level detection alarm device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |