CN107819857A - A kind of water supply network remote monitoring system - Google Patents

A kind of water supply network remote monitoring system Download PDF

Info

Publication number
CN107819857A
CN107819857A CN201711123625.7A CN201711123625A CN107819857A CN 107819857 A CN107819857 A CN 107819857A CN 201711123625 A CN201711123625 A CN 201711123625A CN 107819857 A CN107819857 A CN 107819857A
Authority
CN
China
Prior art keywords
water
information
mcu
water quality
transmission
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
Application number
CN201711123625.7A
Other languages
Chinese (zh)
Inventor
叶丽才
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.)
Hefei Qijun Automatic Control Co Ltd
Original Assignee
Hefei Qijun Automatic Control 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 Hefei Qijun Automatic Control Co Ltd filed Critical Hefei Qijun Automatic Control Co Ltd
Priority to CN201711123625.7A priority Critical patent/CN107819857A/en
Publication of CN107819857A publication Critical patent/CN107819857A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/12Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source

Abstract

The invention discloses a kind of water supply network remote monitoring system, including MCU, data analysis and processing unit, cloud storage unit, data transmission unit, flowmeter, water-level gauge, water quality detection equipment, video camera, standby reservoir, reserve pump control unit, water pump control cabinet, water pump, alarm device and display device;Flowmeter, water-level gauge, water quality detection equipment and video camera are connected by Zigbee wireless communication networks and data transmission unit;The flowmeter is set in aqueduct;Water-level gauge and water quality detection equipment are arranged in reservoir;The present invention can realize and the water in reservoir is monitored in real time, above- mentioned information can be carried out into timely convenient storage by the setting of cloud storage unit is inquired about in the future by the setting of flowmeter, water-level gauge and water quality detection equipment;Pass through the setting of standby reservoir and standby water control unit so that the standby reservoir that can automatically switch when detecting that the water quality in reservoir is bad is supplied water, and avoids the appearance for the situation of cutting off the water supply.

Description

A kind of water supply network remote monitoring system
Technical field
The invention belongs to monitoring field, is related to a kind of water supply network, specifically a kind of water supply network remote monitoring system.
Background technology
For the technical ability function of water supplying system, whole water supplying system answers demand of the satisfied users to water quality, water and hydraulic pressure. In addition, whole capital construction process and produce operating in there is also a need for capital expenditure save, usually running expense is low, operation handle just Profit, tower-free water supplying can produce and give full play to safely the economic benefit of whole water supplying system.Thus, correctly select water supply System, there is highly important implication.Influence that the key element selected of water supplying system is many, mainly have cities and towns or cell plan, when The type pole that ground physical features, user send to the demand and water of water supplying system.Because above-mentioned key element is different, water supplying system can have Various different modes and its composition.Such as make water source to meet the deep phreatic water of health demand, supply resident living is drunk, Then just not demand purification disposal, is only founded water intaking and writing brush matches somebody with somebody Hydraulic Projects, the water of resident living water is used as such as using river During source, the carbon steel tower-free water supplying then process such as demand water intaking, purification and smooth water distribution.In construction process, it is necessary to according to tool Body situation, select rational water supplying system.
When the water supply monitoring system underaction for being some current water factories, real-time analysis to data is not accomplished and to water quality Real-time monitoring and remind staff's timely processing, and have when meeting with quality problem pause water supply situation and occur;For Solve drawbacks described above, a solution is now provided.
The content of the invention
It is an object of the invention to provide a kind of water supply network remote monitoring system.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of water supply network remote monitoring system, including MCU, data analysis and processing unit, cloud storage unit, data biography Defeated unit, flowmeter, water-level gauge, water quality detection equipment, video camera, standby reservoir, reserve pump control unit, water pump control Cabinet, water pump, alarm device and display device.
Wherein, flowmeter, water-level gauge, water quality detection equipment and video camera pass through Zigbee wireless communication networks and data Transmission unit is connected;The flowmeter is set in aqueduct;Water-level gauge and water quality detection equipment are arranged in reservoir;It is described to take the photograph Camera uniformly dispersing is inside water factory;
Wherein, the data transmission unit is connected by GPRS network with the data analysis with processing unit;
Wherein, the data analysis electrically connects with processing unit with the MCU;
Wherein, the MCU is connected by GPRS network and cloud storage unit;The MCU and water pump control cabinet, standby water control Unit, alarm device and display device electrical connection processed;
Wherein, the water pump control cabinet and the water pump controller control.
Further, it is characterised in that the flowmeter is used to monitor the water-carrying capacity in aqueduct, the flow in real time Count to data transmission unit and transmit flow information;The water-level gauge is used to monitor reservoir level information in real time, and the water-level gauge will Water level information is transferred to data transmission unit;The camera be used for water factory inside is monitored in real time, the camera to Data transmission unit transmits image information.
Further, it is characterised in that the water quality detection equipment is used to monitor the water quality information in reservoir in real time, described Water quality detection equipment transmits water quality information to the data transmission unit.
Further, it is characterised in that the data transmission unit receives the flow information of the flowmeter transmission, described Data transmission unit receives the water level information of the water-level gauge transmission, and the data transmission unit receives the water quality detection equipment The water quality information of transmission, the data transmission unit receive the image information of the camera transmissions, the data transmission unit To the data analysis and processing unit transmission water level information, water quality information, flow information and image information.
Further, it is characterised in that the data analysis receives the data transmission unit with processing unit and passed Defeated water level information, water quality information, flow information and image information;The data analysis is detecting water quality letter with processing unit Breath can transmit the excessively poor order of water quality when being less than preset value to MCU;The data analysis is detecting water level information with processing unit Water inlet order can be transmitted during less than default lowest water level to MCU, the data analysis is detecting water level information with processing unit It can transmit and cease and desist order to MCU when reaching default peak level;The data analysis is used to transmit water level to MCU with processing unit Information, water quality information, flow information and image information.
Further, it is characterised in that the MCU is receiving the water quality mistake of the data analysis and processing unit transmission Transmitted during difference order to water pump control cabinet and stop supplying water order and transmit order of supplying water to standby water control unit;The MCU exists Receive the water quality of the data analysis and processing unit transmission excessively poor order when to the alarm device transmit alert command;Institute MCU is stated to receive the water inlet order of the data analysis and processing unit transmission and transmit water inlet order to the water pump control cabinet, The MCU receptions data analysis being ceased and desisted order and being ordered to water pump control cabinet transmission stopping with processing unit transmission Order;Water level information, water quality information, flow information and the image that the MCU receives the data analysis and processing unit transmission are believed Breath;The MCU transmits water level information, water quality information, flow information and image information to cloud storage unit and display device.
Further, it is characterised in that the water pump control cabinet receives the water inlet order of the MCU transmission and drives water pump Start to intake;The water pump control cabinet receives ceasing and desisting order and controlling water pump to stop water inlet for the MCU transmission.
Further, it is characterised in that the standby water control unit receives the water supply order of the MCU transmission and passed through Standby reservoir proceeds by water supply;The standby reservoir be used to storing it is cleaned after the water source that reaches a standard of water quality.
Further, it is characterised in that the alarm device receives the alert command of MCU transmission and sends alarm.
Further, it is characterised in that the display device receives water level information, water quality information, the flow letter of MCU transmission Breath and image information simultaneously carry out real-time display;The cloud storage unit receive the water level information of the MCU transmission, water quality information, Flow information and image information simultaneously store.
Beneficial effects of the present invention:A kind of water supply network remote monitoring system, when work, pass through water-level gauge and stream Gauge is monitored to the water level in reservoir and flow in real time, and the water quality in reservoir is examined in real time by water quality detection equipment Survey, alarm can be sent by alarm device in time when the water quality in reservoir goes wrong, by by water pump control come Supplied water, while the water in reservoir can be purified using standby reservoir, avoided because can not when water quality goes wrong The problem of water supply, occurs.The present invention can be realized in reservoir by the setting of flowmeter, water-level gauge and water quality detection equipment Water is monitored in real time, and above- mentioned information can be carried out into timely convenient storage by the setting of cloud storage unit is looked into the future Ask;Pass through the setting of standby reservoir and standby water control unit so that can be automatic when detecting that the water quality in reservoir is bad Cut-in stand-by reservoir is supplied water, and avoids the appearance for the situation of cutting off the water supply, and practicality is answered in letter of the present invention.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the system block diagram of the present invention.
Embodiment
As shown in figure 1, a kind of water supply network remote monitoring system, including MCU, data analysis and processing unit, cloud storage Unit, data transmission unit, flowmeter, water-level gauge, water quality detection equipment, video camera, standby reservoir, reserve pump control are single Member, water pump control cabinet, water pump, alarm device and display device.
Flowmeter, water-level gauge, water quality detection equipment and video camera pass through Zigbee wireless communication networks and data transfer Unit is connected;The flowmeter is set in aqueduct;Water-level gauge and water quality detection equipment are arranged in reservoir;The video camera Uniformly dispersing is inside water factory;
The data transmission unit is connected by GPRS network with the data analysis with processing unit;
The data analysis electrically connects with processing unit with the MCU;
The MCU is connected by GPRS network and cloud storage unit;The MCU and water pump control cabinet, standby water management list Member, alarm device and display device electrical connection;
The water pump control cabinet and the water pump controller control.
Wherein, the flowmeter is used to monitor the water-carrying capacity in aqueduct in real time, and the flowmeter is to data transfer list Member transmission flow information;The water-level gauge is used to monitor reservoir level information in real time, and water level information is transferred to by the water-level gauge Data transmission unit;The camera is used to monitor water factory inside in real time, and the camera passes to data transmission unit Defeated image information.
Wherein, the water quality detection equipment be used in real time monitor reservoir in water quality information, the water quality detection equipment to The data transmission unit transmits water quality information.
Wherein, the data transmission unit receives the flow information of the flowmeter transmission, and the data transmission unit connects The water level information of the water-level gauge transmission is received, the data transmission unit receives the water quality letter of the water quality detection equipment transmission Breath, the data transmission unit receive the image information of the camera transmissions, and the data transmission unit divides to the data Analysis and processing unit transmission water level information, water quality information, flow information and image information.
Wherein, the data analysis receives water level information, the water of the data transmission unit transmission with processing unit Matter information, flow information and image information;The data analysis is with processing unit when detecting that water quality information is less than preset value The excessively poor order of water quality can be transmitted to MCU;The data analysis is detecting water level information less than default minimum water with processing unit Water inlet order can be transmitted during position to MCU, the data analysis and processing unit are detecting that water level information reaches default highest water It can transmit and cease and desist order to MCU during position;The data analysis and processing unit be used for MCU transmit water level information, water quality information, Flow information and image information.
Wherein, the MCU when receiving the water quality poor order excessively of the data analysis and processing unit transmission to water pump Switch board transmission stops supplying water order and transmits order of supplying water to standby water control unit;The MCU is receiving the data Analysis with processing unit transmission water quality excessively poor order when to the alarm device transmit alert command;Described in the MCU is received The water inlet order of data analysis and processing unit transmission simultaneously transmits water inlet order, the MCU receptions institute to the water pump control cabinet Data analysis is stated to cease and desist order and ceasing and desisting order to water pump control cabinet transmission with what processing unit transmitted;The MCU is received Water level information, water quality information, flow information and the image information of the data analysis and processing unit transmission;The MCU is to cloud Memory cell and display device transmission water level information, water quality information, flow information and image information.
Wherein, the water pump control cabinet receives the water inlet order of the MCU transmission and drives water pump to start to intake;The water Pump switch board receives ceasing and desisting order and controlling water pump to stop water inlet for the MCU transmission.
Wherein, the standby water control unit receive the MCU transmission water supply order and by standby reservoir start into Row supplies water;The standby reservoir be used to storing it is cleaned after the water source that reaches a standard of water quality.
Wherein, the alarm device receives the alert command of MCU transmission and sends alarm.
Wherein, the display device receives water level information, water quality information, flow information and the image information of MCU transmission simultaneously Carry out real-time display;The cloud storage unit receives water level information, water quality information, flow information and the image of the MCU transmission Information simultaneously stores.
A kind of water supply network remote monitoring system, when work, by water-level gauge and flowmeter in real time in reservoir Water level and flow be monitored, the water quality in reservoir is detected in real time by water quality detection equipment, when the water in reservoir Matter can send alarm by alarm device in time when going wrong, by being controlled by water pump to be carried out using standby reservoir Supply water, while the water in reservoir can be purified, avoided because the problem of can not being supplied water when water quality goes wrong occurs.This Invention can be realized and the water in reservoir is monitored in real time, be led to by the setting of flowmeter, water-level gauge and water quality detection equipment Cross the setting of cloud storage unit and above- mentioned information can be subjected to timely convenient storage and inquired about in the future;By standby reservoir and standby With the setting of water control unit so that the standby reservoir that can automatically switch when detecting that the water quality in reservoir is bad is supplied Water, avoids the appearance for the situation of cutting off the water supply, and practicality is answered in letter of the present invention.
Above content is only to structure example of the present invention and explanation, affiliated those skilled in the art couple Described specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from invention Structure surmounts scope defined in the claims, all should belong to protection scope of the present invention.

Claims (10)

1. a kind of water supply network remote monitoring system, it is characterised in that including MCU, data analysis and processing unit, cloud storage list Member, data transmission unit, flowmeter, water-level gauge, water quality detection equipment, video camera, standby reservoir, reserve pump control unit, Water pump control cabinet, water pump, alarm device and display device.
Wherein, flowmeter, water-level gauge, water quality detection equipment and video camera pass through Zigbee wireless communication networks and data transfer Unit is connected;The flowmeter is set in aqueduct;Water-level gauge and water quality detection equipment are arranged in reservoir;The video camera Uniformly dispersing is inside water factory;
Wherein, the data transmission unit is connected by GPRS network with the data analysis with processing unit;
Wherein, the data analysis electrically connects with processing unit with the MCU;
Wherein, the MCU is connected by GPRS network and cloud storage unit;The MCU and water pump control cabinet, standby water management list Member, alarm device and display device electrical connection;
Wherein, the water pump control cabinet and the water pump controller control.
2. a kind of water supply network remote monitoring system according to claim 1, it is characterised in that the flowmeter is used for real When monitor aqueduct in water-carrying capacity, the flowmeter to data transmission unit transmit flow information;The water-level gauge is used for Water level information is transferred to data transmission unit by monitoring reservoir level information, the water-level gauge in real time;The camera be used for pair Monitored in real time inside water factory, the camera transmits image information to data transmission unit.
A kind of 3. water supply network remote monitoring system according to claim 1, it is characterised in that the water quality detection equipment For monitoring the water quality information in reservoir in real time, the water quality detection equipment transmits water quality information to the data transmission unit.
A kind of 4. water supply network remote monitoring system according to claim 1, it is characterised in that the data transmission unit The flow information of the flowmeter transmission is received, the data transmission unit receives the water level information of the water-level gauge transmission, institute The water quality information that data transmission unit receives the water quality detection equipment transmission is stated, the data transmission unit receives the shooting The image information of machine transmission, the data transmission unit is to water level information is transmitted in the data analysis and processing unit, water quality is believed Breath, flow information and image information.
A kind of 5. water supply network remote monitoring system according to claim 1, it is characterised in that the data analysis Water level information, water quality information, flow information and the image information of the data transmission unit transmission are received with processing unit;It is described Data analysis can transmit the excessively poor order of water quality when detecting that water quality information is less than preset value with processing unit to MCU;The number Water inlet order, the number can be transmitted to MCU when detecting that water level information is less than default lowest water level according to analysis and processing unit It can transmit and cease and desist order to MCU when detecting that water level information reaches default peak level with processing unit according to analysis;The number It is used for according to analysis and processing unit to MCU transmission water level information, water quality information, flow information and image information.
6. a kind of water supply network remote monitoring system according to claim 1, it is characterised in that the MCU is being received The water quality that the data analysis and processing unit transmit excessively poor order when the order and to standby of stopping supplying water is transmitted to water pump control cabinet Order of supplying water is transmitted with water control unit;The MCU is excessively poor in the water quality for receiving the data analysis with processing unit transmits During order alert command is transmitted to the alarm device;The MCU receives the water inlet of the data analysis and processing unit transmission Order and transmit water inlet order to the water pump control cabinet, the MCU receives the data analysis and stopped with what processing unit transmitted Only order and ceased and desisted order to water pump control cabinet transmission;The MCU receives the data analysis and processing unit transmission Water level information, water quality information, flow information and image information;The MCU believes to cloud storage unit and display device transmission water level Breath, water quality information, flow information and image information.
7. a kind of water supply network remote monitoring system according to claim 1, it is characterised in that the water pump control cabinet connects Receive the water inlet order of the MCU transmission and drive water pump to start to intake;The water pump control cabinet receives the stopping of the MCU transmission Order and control water pump to stop water inlet.
A kind of 8. water supply network remote monitoring system according to claim 1, it is characterised in that the standby water management list Member receives the water supply order of the MCU transmission and proceeds by water supply by standby reservoir;The standby reservoir is used to store only The water source that water quality after change reaches a standard.
9. a kind of water supply network remote monitoring system according to claim 1, it is characterised in that the alarm device receives The alert command of MCU transmission simultaneously sends alarm.
10. a kind of water supply network remote monitoring system according to claim 1, it is characterised in that the display device connects Receive water level information, water quality information, flow information and the image information of MCU transmission and carry out real-time display;The cloud storage unit Receive water level information, water quality information, flow information and the image information of the MCU transmission and store.
CN201711123625.7A 2017-11-14 2017-11-14 A kind of water supply network remote monitoring system Pending CN107819857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711123625.7A CN107819857A (en) 2017-11-14 2017-11-14 A kind of water supply network remote monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711123625.7A CN107819857A (en) 2017-11-14 2017-11-14 A kind of water supply network remote monitoring system

Publications (1)

Publication Number Publication Date
CN107819857A true CN107819857A (en) 2018-03-20

Family

ID=61608964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711123625.7A Pending CN107819857A (en) 2017-11-14 2017-11-14 A kind of water supply network remote monitoring system

Country Status (1)

Country Link
CN (1) CN107819857A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110426580A (en) * 2019-08-01 2019-11-08 珠海格力电器股份有限公司 A kind of the control cabinet method of inspection and device of cold water computer room group control system
CN111273620A (en) * 2020-02-10 2020-06-12 安徽海沃特水务股份有限公司 Water supply equipment monitoring and management system based on Internet of things

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2688759Y (en) * 2004-03-26 2005-03-30 张森林 Intelligent water-supplying monitor for high-building
CN102707699A (en) * 2012-06-20 2012-10-03 新疆额尔齐斯河流域开发工程建设管理局 Unattended reservoir water supply and management system
CN104574895A (en) * 2014-11-03 2015-04-29 安徽泽众安全科技有限公司 Intelligent household water monitoring system based on internet of things
CN106400880A (en) * 2016-10-19 2017-02-15 广东科创工程技术有限公司 Safe water supply purification device based on internet of things

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2688759Y (en) * 2004-03-26 2005-03-30 张森林 Intelligent water-supplying monitor for high-building
CN102707699A (en) * 2012-06-20 2012-10-03 新疆额尔齐斯河流域开发工程建设管理局 Unattended reservoir water supply and management system
CN104574895A (en) * 2014-11-03 2015-04-29 安徽泽众安全科技有限公司 Intelligent household water monitoring system based on internet of things
CN106400880A (en) * 2016-10-19 2017-02-15 广东科创工程技术有限公司 Safe water supply purification device based on internet of things

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110426580A (en) * 2019-08-01 2019-11-08 珠海格力电器股份有限公司 A kind of the control cabinet method of inspection and device of cold water computer room group control system
CN111273620A (en) * 2020-02-10 2020-06-12 安徽海沃特水务股份有限公司 Water supply equipment monitoring and management system based on Internet of things

Similar Documents

Publication Publication Date Title
CN207115171U (en) Remote monitoring system for on-line monitoring sewage disposal system
CN202443276U (en) Intelligent network drinking fountain system
CN107819857A (en) A kind of water supply network remote monitoring system
CN104355453B (en) Full-automatic control system and method for water purification plant
WO2010108413A1 (en) Centralized supply system for electrolyzed oxidizing water and intelligent control method thereof
CN207148612U (en) A kind of monitoring system of the intelligent secondary water-supply device based on Internet of Things
CN103711177A (en) Wireless based multi-well remote intelligent control water supply system
CN204215249U (en) Secondary water-supply equipment remote monitoring system
CN109384281A (en) Reverse osmosis seawater desalting control system
CN219001841U (en) Indoor fire hydrant with leak self-checking function
CN105630018A (en) Drinking water supply waterway safety control device and system
CN205338661U (en) Water dispenser butting device and have this water dispenser butting device 's drinking water equipment
CN206986969U (en) Secondary water-supply dual control system
CN207674815U (en) A kind of freezer monitoring pre-alarm system
CN205318238U (en) Intelligence supplies water and adds medicine automatic switching control equipment
CN210216558U (en) Intelligent water supply equipment controlled by double PLC
CN208554695U (en) Integral type rainforest cylinder automatic spraying system
CN206021048U (en) A kind of real-time remote monitoring platform for being applied to secondary water-supply equipment
CN210320513U (en) High-efficiency indoor humidity monitoring and management system
CN210269801U (en) Energy-saving detection device for secondary water supply equipment
CN112947278A (en) Secondary water supply automatic control system
CN106196459A (en) A kind of intelligent air control system based on cloud platform
CN206757377U (en) A kind of pump house operation monitoring system
CN206293961U (en) Electric detection means in a kind of Drinking fountain
CN216081679U (en) Automatic water level measuring system

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180320