CN113566876A - Pipeline internal environment monitoring device and control system thereof - Google Patents
Pipeline internal environment monitoring device and control system thereof Download PDFInfo
- Publication number
- CN113566876A CN113566876A CN202110672610.6A CN202110672610A CN113566876A CN 113566876 A CN113566876 A CN 113566876A CN 202110672610 A CN202110672610 A CN 202110672610A CN 113566876 A CN113566876 A CN 113566876A
- Authority
- CN
- China
- Prior art keywords
- module
- wireless communication
- liquid level
- box body
- water level
- 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
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims description 4
- 230000008447 perception Effects 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000013499 data model Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 2
- 239000002360 explosive Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to the technical field of environment monitoring equipment, in particular to a pipeline internal environment monitoring device and a control system thereof, which comprise a box body, a power supply module, a wireless communication positioning module, a gas detection module, a water level and liquid level sensing module, a control module, a PCB (printed circuit board) mounting plate, an ultrasonic sensor and a liquid level sensor, wherein the PCB mounting plate is fixedly mounted in the box body, the power supply module, the wireless communication positioning module, the gas detection module, the water level and liquid level sensing module, the control module, the ultrasonic sensor and the liquid level sensor are all electrically connected on the PCB mounting plate through wires, the box body, the power supply module, the wireless communication positioning module, the gas detection module, the water level and liquid level sensing module, the control module, the PCB mounting plate, the ultrasonic sensor and the liquid level sensor form a sensing layer of the control system, the concentration of inflammable and explosive substances in the environment inside the pipeline is monitored in real time through a plurality of sensors mounted on the PCB mounting plate inside the box body.
Description
Technical Field
The invention relates to the technical field of environment monitoring equipment, in particular to a pipeline internal environment monitoring device and a control system thereof.
Background
Municipal drainage pipelines are important components of urban infrastructure and play an important role in pollution discharge, drainage and the like necessary for urban development. With the development of smart cities and smart water construction, the comprehensive online monitoring of municipal drainage pipelines is particularly important for the efficient management of cities. The corresponding sensors are applied to monitoring equipment to monitor and visualize water flow, siltation, organic matters and other information of municipal drainage pipelines in real time, disadvantages of manual inspection and data acquisition can be effectively avoided, and pipeline information is uploaded to realize analysis and prediction of data, so that the system has important significance for guiding works such as drainage in rainy days, river management, pipeline dredging and the like. Due to the characteristics of the drainage pipeline, the complex and severe environment of the drainage pipeline puts higher requirements on the stability, safety and accuracy of monitoring equipment.
Disclosure of Invention
The invention aims to provide a pipeline internal environment monitoring device and a control system thereof, which are used for solving the problems in the prior art.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a pipeline internal environment monitoring device, includes box, power module, wireless communication orientation module, gaseous detection module, water level liquid level sensing module, control module, PCB mounting panel, ultrasonic sensor and level sensor, its characterized in that: PCB mounting panel fixed mounting is in the inside of box, power module, wireless communication orientation module, gaseous detection module, water level liquid level sensing module, control module ultrasonic sensor and level sensor all pass through electric wire electric connection on the PCB mounting panel.
In a further embodiment, the bottom of the box body is provided with a gas inlet/outlet, and the bottom of the box body is provided with a waterproof connector and a power supply fuse.
In a further embodiment, the wireless communication positioning module is fixedly installed on the top of the box body.
In a further embodiment, the interior of the box is glue filled.
In a further embodiment, a mounting bracket is fixedly mounted inside the box body, and the mounting bracket is a displaceable single-arm bracket.
In a further embodiment, the wireless communication positioning module adopts 4G/5G signal transmission for communication, the positioning function of the wireless communication positioning module adopts a GPS/Beidou positioning mode, and the wireless communication positioning module is provided with a customized polyethylene casing part which partially penetrates through and extends to the outside of the box body.
In a further embodiment, the water level sensing module comprises a pressure sensor, and the water level sensing module is detachably mounted inside the tank body.
The utility model provides a control system of inside environment monitoring device of pipeline, includes perception layer, network layer and application layer, the perception layer comprises power module, wireless communication orientation module, gaseous detection module, water level liquid level sensing module and control module, power module, wireless communication orientation module, gaseous detection module and water level liquid level sensing module all through the electric wire with control module electric connection, the network layer is used for making perception layer and application layer radio signal connect, the application layer is used for collecting power module, wireless communication orientation module, gaseous detection module and water level liquid level sensing module's data and carries out data analysis through data model.
In a further embodiment, the application layer is composed of a base database, a model database and a state database, the base database is used for placing data sent from the network layer, the model database is used for operating the data, and the state database is used for placing an operation result.
In conclusion, the invention has the following beneficial effects:
1. the power supply module, the wireless communication positioning module, the gas detection module, the water level and liquid level sensing module, the control module, the PCB mounting plate, the ultrasonic sensor and the liquid level sensor are arranged in the box body, so that the effect of monitoring the concentration of inflammable and explosive substances in the environment in the pipeline in real time through the power supply module, the wireless communication positioning module, the gas detection module, the water level and liquid level sensing module, the control module, the ultrasonic sensor and the liquid level sensor can be achieved;
2. the box body has a three-proofing effect through the arrangement of glue filling treatment inside the box body;
3. through the integrated design and the voltage reduction treatment of components, the power consumption of the whole module is reduced while the performance and the precision are ensured; but the displacement formula single armed support is selected for use to the installing support, and the later stage device of being convenient for carries out whole translation adjustment, does not hinder pipeline routine maintenance and overhaul.
Drawings
FIG. 1 is a schematic view of the overall structure of the internal environment monitoring device of the pipeline according to the present invention;
FIG. 2 is a system block diagram of a control system of the pipe internal environment monitoring apparatus of the present invention;
FIG. 3 is a table of basic parameters of the test data of the present invention;
fig. 4 is a schematic structural view of the PCB mounting board of the present invention.
In the figure, 1, a box body; 2. a power supply module; 3. a wireless communication positioning module; 4. a gas detection module; 5. a water level sensing module; 6. a control module; 7. a device cover plate; 8. a PCB mounting plate; 9. a wire slot; 10. a support; 11. an ultrasonic sensor; 12. a liquid level sensor; 13. a waterproof joint; 14. the power supply is protected; 15. gas inlet/outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a particular component geometry, respectively, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present specification, "plurality" means two or more unless the direction of the center is specifically defined otherwise.
Example 1:
as shown in fig. 1-4, a pipeline internal environment monitoring device comprises a box body 1, a power supply module 2, a wireless communication positioning module 3, a gas detection module 4, a water level and liquid level sensing module 5, a control module 6, a device cover plate 7, a PCB mounting plate 8, a wire casing 9, a bracket 10, an ultrasonic sensor 11, a liquid level sensor 12, a waterproof connector 13, a power fuse 14 and a gas inlet/gas outlet 15, wherein the box body 1 is provided with an opening for mounting parts inside the box body, the device cover plate 7 is used for completely sealing the mounting opening after the internal mounting of the box body 1 is finished, and device apron 7 detachable installs on box 1, and PCB mounting panel 8 fixed mounting is in the inside of box 1, and power module 2, wireless communication orientation module 3, gas detection module 4, water level liquid level sensing module 5, 6 ultrasonic sensor 11 of control module and level sensor 12 all pass through electric wire electric connection on PCB mounting panel 8.
As shown in fig. 1, gaseous admitting air/gas outlet 15, water joint 13 and power insurance 14 all set up the bottom at box 1, wireless communication orientation module 3 fixed mounting is at the top of box 1, the inside fixed mounting of box 1 has installing support 10, installing support 10 is displaceable formula single armed support 10, wireless communication orientation module 3's communication mode adopts 4G 5G signal transmission, wireless communication orientation module 3's locate function adopts the mode of GPS big dipper location, wireless communication orientation module 3 is provided with the customization polyethylene shell part that the part passed and extended to box 1's outside, liquid level sensing module includes pressure type sensor, and water level liquid level sensing module 5 detachable installs the inside at box 1.
The gas inlet/outlet 15 is formed by two pipes which are not communicated with each other, and when one of the two pipes is a gas inlet, the other of the two pipes is a gas outlet 15.
In order to increase the overall safety of the device, the box body 1 is designed in three-prevention mode, the interior of the box body is subjected to glue filling treatment, stable use in severe environments such as pipelines is guaranteed, the power supply module 2 supplies power for a weak-current storage battery, the endurance time is longer than 365 days, the device is integrally designed, components are subjected to voltage reduction treatment, and the overall power consumption of the module is reduced while the performance and the precision are guaranteed; but support 10 chooses for use displacement formula single armed support 10, and the later stage device of being convenient for carries out whole translation adjustment, does not hinder pipeline routine maintenance and overhaul, and supersound level sensor adopts steel structure support, provides the protection and remain stable.
The gas detection module 4 is used for measuring the gas concentration, temperature and humidity of the underground CO2\ CH 4.
In summary, the present invention is directed to integrating the devices for monitoring the inside of the pipeline into one box 1, so that the integrated pipeline online monitoring terminal is formed, the gas detection module 4 can also be called as an infrared gas sensor, the infrared gas sensor is a gas sensing device that selects absorption characteristics based on the near infrared spectrum of different gas molecules, and utilizes the relationship between gas concentration and absorption intensity to identify the gas components and determine the concentration;
the water level and liquid level sensing module 5 comprises an ultrasonic sensor 11 (an ultrasonic water level sensor) and a liquid level sensor 12 (a drop-in pressure liquid level transmitter), and a temperature and humidity sensor can be further installed inside the box body 1.
In the present invention, the ultrasonic sensor 11 (ultrasonic water level sensor) uses the ultrasonic pulse emitted from the ultrasonic probe, and the ultrasonic pulse is propagated to the water surface to be measured through the air, and then returns to the ultrasonic probe through the air after being reflected, because the time of transmission and reception can be known, according to the time × sound velocity ÷ 2= the distance between the probe emitting surface and the water surface; the liquid level sensor 12 (drop-in pressure method liquid level transmitter) uses a static pressure measurement principle, and when the liquid level transmitter is dropped to a certain depth in a liquid to be measured, the pressure applied to the liquid level by the sensor is P = ρ.g.h + P0.
As shown in fig. 2, the control system of the pipeline internal environment monitoring device of the invention comprises a sensing layer, a network layer and an application layer, wherein the sensing layer comprises a power supply module 2, a wireless communication positioning module 3, a gas detection module 4, a water level and liquid level sensing module 5 and a control module 6, the power supply module 2, the wireless communication positioning module 3, the gas detection module 4 and the water level and liquid level sensing module 5 are electrically connected with the control module 6 through wires, the network layer is used for connecting the sensing layer with the application layer through radio signals, the application layer is used for collecting data of the power supply module 2, the wireless communication positioning module 3, the gas detection module 4 and the water level and liquid level sensing module 5 and analyzing the data through a data model, the application layer comprises a basic database, a model database and a state database, the basic database is used for placing data sent from the network layer, the model database operates on the data, and the state database places the operation result.
The control system controls each sensor to sample data at fixed time according to the test requirement, contacts with the network layer and sends related data; meanwhile, the instruction sent by the application layer is received,
the specific implementation process comprises the following steps: before carrying the device, the equipment power supply module 2 (the fuse is not installed) is required to be closed, all the connecting wires are removed, the wire slot 9 is fixedly installed in the box body 1, all the wires are fixedly installed in the wire slot 9, and the equipment is forbidden to move reversely during carrying.
The installation process of the equipment comprises the following steps: 1. before the device is installed in an inspection well, a fuse of the power fuse 14 is put into a fuse holder and is kept for 5 minutes outside, and the 4G signal intensity of the wireless communication positioning module 3 is read;
2. the fixing support 10 of the equipment is firmly installed by using an expansion screw;
3. the antenna of the wireless communication positioning module 3 of the device should be close to the gap position of the inspection well cover as much as possible, so that the 4G and GPS signals of the wireless communication positioning module 3 are prevented from being influenced;
4. after the equipment is installed and the inspection well cover is covered, the intensity of the 4G signal of the wireless communication positioning module 3 is read, the intensity difference of the 4G signal of the wireless communication positioning module 3 before the equipment is installed is compared, and if the difference is large, the installation position of the equipment is required to be adjusted again.
In the embodiments of the present disclosure, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the disclosed embodiments of the invention can be understood by those of ordinary skill in the art as appropriate.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a pipeline internal environment monitoring device, includes box (1), power module (2), wireless communication orientation module (3), gaseous detection module (4), water level liquid level sensing module (5), control module (6), PCB mounting panel (8), ultrasonic sensor (11) and level sensor (12), its characterized in that: PCB mounting panel (8) fixed mounting is in the inside of box (1), power module (2), wireless communication orientation module (3), gas detection module (4), water level liquid level sensing module (5), control module (6) ultrasonic sensor (11) and level sensor (12) all are through electric wire electric connection on PCB mounting panel (8).
2. The apparatus for monitoring the internal environment of a pipeline according to claim 1, wherein: the gas inlet/outlet (15) is arranged at the bottom of the box body (1), and the waterproof connector (13) and the power supply fuse (14) are arranged at the bottom of the box body (1).
3. The apparatus for monitoring the internal environment of a pipeline according to claim 1, wherein: the wireless communication positioning module (3) is fixedly arranged at the top of the box body (1).
4. A pipeline internal environment monitoring device according to any one of claims 1-3, wherein: and (3) performing glue pouring treatment inside the box body (1).
5. The apparatus for monitoring the internal environment of a pipeline according to claim 1, wherein: the inside fixed mounting of box (1) has installing support (10), installing support (10) are displaceable formula single armed support (10).
6. The apparatus for monitoring the internal environment of a pipeline according to claim 1, wherein: the communication mode of the wireless communication positioning module (3) adopts 4G/5G signal transmission, the positioning function of the wireless communication positioning module (3) adopts a GPS/Beidou positioning mode, and the wireless communication positioning module (3) is provided with a customized polyethylene casing part which partially penetrates through and extends to the outside of the box body (1).
7. The apparatus for monitoring the internal environment of a pipeline according to claim 1, wherein: the water level and liquid level sensing module (5) comprises a pressure sensor, and the water level and liquid level sensing module (5) is detachably arranged in the box body (1).
8. The utility model provides a control system of inside environment monitoring devices of pipeline, includes perception layer, network layer and application layer, its characterized in that: the sensing layer is composed of a power supply module (2), a wireless communication positioning module (3), a gas detection module (4), a water level and liquid level sensing module (5) and a control module (6), the power supply module (2), the wireless communication positioning module (3), the gas detection module (4) and the water level and liquid level sensing module (5) are all connected with the control module (6) through electric wires, the network layer is used for connecting the sensing layer with an application layer through radio signals, and the application layer is used for collecting data of the power supply module (2), the wireless communication positioning module (3), the gas detection module (4) and the water level and liquid level sensing module (5) and carrying out data analysis through a data model.
9. The control system of the pipeline internal environment monitoring device according to claim 8, wherein: the application layer is composed of a basic database, a model database and a state database, the basic database is used for placing data sent from the network layer, the model database is used for operating the data, and the state database is used for placing an operation result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672610.6A CN113566876A (en) | 2021-06-17 | 2021-06-17 | Pipeline internal environment monitoring device and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672610.6A CN113566876A (en) | 2021-06-17 | 2021-06-17 | Pipeline internal environment monitoring device and control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113566876A true CN113566876A (en) | 2021-10-29 |
Family
ID=78162198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110672610.6A Pending CN113566876A (en) | 2021-06-17 | 2021-06-17 | Pipeline internal environment monitoring device and control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113566876A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867103A (en) * | 2022-05-07 | 2022-08-05 | 惠州市旭宝光电科技有限公司 | A wireless liquid level locator and its positioning method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2922625A1 (en) * | 2007-10-18 | 2009-04-24 | Valcap Valence Capteur Sarl | Interconnected fluid conduit e.g. interconnected tubular pipeline, network e.g. rain water collection network, monitoring device, has station with conjugated wireless communication module for receiving data emitted by each detector |
| CN108131165A (en) * | 2018-01-12 | 2018-06-08 | 青岛天信电气有限公司 | A kind of underground coal mine complex automatic system |
| CN108737496A (en) * | 2017-12-26 | 2018-11-02 | 国网河南省电力公司信息通信公司 | One kind is grown based on Lora spread spectrum radios away from environmental monitoring system |
| CN212133786U (en) * | 2020-04-23 | 2020-12-11 | 上海浪洁环境科技有限公司 | Data acquisition device for comprehensive online monitoring of downhole information |
| CN112539786A (en) * | 2020-12-21 | 2021-03-23 | 国网福建省电力有限公司福州供电公司 | Electric power well safety multifunctional monitoring system applying passive intelligent plugs |
| CN112904786A (en) * | 2021-01-15 | 2021-06-04 | 苏州泰克赛威网络科技有限公司 | Internet of things remote monitoring system based on 5G network |
-
2021
- 2021-06-17 CN CN202110672610.6A patent/CN113566876A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2922625A1 (en) * | 2007-10-18 | 2009-04-24 | Valcap Valence Capteur Sarl | Interconnected fluid conduit e.g. interconnected tubular pipeline, network e.g. rain water collection network, monitoring device, has station with conjugated wireless communication module for receiving data emitted by each detector |
| CN108737496A (en) * | 2017-12-26 | 2018-11-02 | 国网河南省电力公司信息通信公司 | One kind is grown based on Lora spread spectrum radios away from environmental monitoring system |
| CN108131165A (en) * | 2018-01-12 | 2018-06-08 | 青岛天信电气有限公司 | A kind of underground coal mine complex automatic system |
| CN212133786U (en) * | 2020-04-23 | 2020-12-11 | 上海浪洁环境科技有限公司 | Data acquisition device for comprehensive online monitoring of downhole information |
| CN112539786A (en) * | 2020-12-21 | 2021-03-23 | 国网福建省电力有限公司福州供电公司 | Electric power well safety multifunctional monitoring system applying passive intelligent plugs |
| CN112904786A (en) * | 2021-01-15 | 2021-06-04 | 苏州泰克赛威网络科技有限公司 | Internet of things remote monitoring system based on 5G network |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867103A (en) * | 2022-05-07 | 2022-08-05 | 惠州市旭宝光电科技有限公司 | A wireless liquid level locator and its positioning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106837306B (en) | Integrated oil well dynamic liquid level measuring device and method | |
| CN102884451A (en) | Underwater sensor apparatus | |
| CN107807215A (en) | Water quality monitoring system and platform based on Internet of things | |
| CN207407963U (en) | A kind of water level monitoring system based on Internet of Things for hydraulic and hydroelectric engineering | |
| CN105674869B (en) | A kind of method for automatic measurement and its measuring device of different medium thickness | |
| CN106596901A (en) | Water-in-oil analyzer calibration device and method | |
| CN106846736A (en) | A kind of sensing system of landslide Geological Hazards Monitoring | |
| CN113566876A (en) | Pipeline internal environment monitoring device and control system thereof | |
| CN212320780U (en) | Multilayer soil moisture content monitor based on loRa | |
| CN105258649A (en) | Automatic monitoring system for three-dimensional deformation of pipeline welding seam | |
| CN110748801A (en) | Pipeline leakage detection method, device and system | |
| CN208075988U (en) | A kind of explosion-proof type magnetostriction liquidometer can measure multiple liquid levels | |
| CN113567382A (en) | Real-time monitoring equipment for hazardous gas in pipeline | |
| CN106257245A (en) | Conduit section monitoring system | |
| CN214374301U (en) | Underground well chamber combustible gas monitoring devices | |
| CN207515988U (en) | A kind of leak detection four-in-one system | |
| CN107167207A (en) | Water meter device | |
| CN207248432U (en) | A kind of leak detection three-in-one system | |
| CN209044833U (en) | A kind of heating power cell water immersion alarm | |
| CN110017168B (en) | Online monitoring device and online monitoring method for gas pressure in lower mining area | |
| CN218212763U (en) | Positioning box for detecting in oil and gas pipeline | |
| CN207248461U (en) | A kind of leak detection two-in-one system | |
| CN206906585U (en) | Portable blue-tooth GPS RTK position indicators | |
| CN209399139U (en) | A kind of effective detection machine in underground | |
| CN219694894U (en) | In-situ water quality on-line monitor |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211029 |
|
| WD01 | Invention patent application deemed withdrawn after publication |