CN109031985A - A kind of intelligence gate controller - Google Patents

A kind of intelligence gate controller Download PDF

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Publication number
CN109031985A
CN109031985A CN201810653491.8A CN201810653491A CN109031985A CN 109031985 A CN109031985 A CN 109031985A CN 201810653491 A CN201810653491 A CN 201810653491A CN 109031985 A CN109031985 A CN 109031985A
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CN
China
Prior art keywords
circuit
governor
data
power supply
type field
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
CN201810653491.8A
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Chinese (zh)
Inventor
李红霞
刘朋雨
王剑涛
卢昕
李祖栋
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Guangdong Rong Hong Technology Co Ltd
Original Assignee
Guangdong Rong Hong 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 Guangdong Rong Hong Technology Co Ltd filed Critical Guangdong Rong Hong Technology Co Ltd
Priority to CN201810653491.8A priority Critical patent/CN109031985A/en
Publication of CN109031985A publication Critical patent/CN109031985A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Electrical Variables (AREA)

Abstract

The present invention provides a kind of intelligent gate controller, the controller includes governor circuit, power circuit, water flow sensor circuit, Water level measuring sensor circuit, video monitoring circuit, current detection circuit, floodgate motor control circuit, telecommunication circuit and display circuit, and water flow sensor circuit sends water flow monitoring data to governor circuit;Water level measuring sensor circuit sends level measuring data to governor circuit;Video monitoring circuit sends video monitoring data to governor circuit;Current detection circuit sends the current detecting data of floodgate motor to governor circuit;Governor circuit sends driving control signal to floodgate motor control circuit according to water flow monitoring data, level measuring data, video monitoring data and/or current detecting data;Governor circuit carries out information exchange by telecommunication circuit and external device;Governor circuit sends display data to display circuit.It can be achieved to integrate a variety of data acquisition functions using the present invention and level of integrated system be higher.

Description

A kind of intelligence gate controller
Technical field
The present invention relates to intelligent brake door control technology fields, specifically, being related to a kind of intelligent brake applied to hydraulic engineering Door controller.
Background technique
The existing control to gate in water conservancy system needs personnel to adjust lifting later to field observation water, due to artificial Factor, water level, the flow of reservoir are difficult control to the position of setting, and require a great deal of time and labour.Moreover, mesh It is usually all to take single mechanical structure in preceding gate controller, the more additional old technology used many years ago.Mesh Preceding can not find in the market can control equipment by Integration ofTechnology, gate a so vdiverse in function, easy to operate, more look for not To gate electronic control system, lacks back-stage management and data acquisition, be unfavorable for the development of water conservancy construction.
Summary of the invention
The main object of the present invention is to provide one kind and integrates a variety of data acquisition functions, the higher intelligent brake of level of integrated system Door controller.
In order to achieve the above-mentioned main objectives, intelligent gate controller provided by the invention include governor circuit, power circuit, Water flow sensor circuit, Water level measuring sensor circuit, video monitoring circuit, current detection circuit, floodgate motor control electricity Road, telecommunication circuit and display circuit, power circuit is to governor circuit, water flow sensor circuit, water level sensor circuit, view Frequency monitoring circuit, current detection circuit, floodgate motor control circuit, telecommunication circuit and display circuit provide power supply, water flow Sensor circuit, water level sensor circuit, video monitoring circuit, current detection circuit, floodgate motor control circuit, telecommunication circuit And display circuit is electrically connected with governor circuit respectively;Water flow sensor circuit sends water flow to governor circuit and monitors number According to;Water level measuring sensor circuit sends level measuring data to governor circuit;Video monitoring circuit sends to governor circuit and regards Frequency monitoring data;Current detection circuit sends the current detecting data of floodgate motor to governor circuit;Governor circuit is according to water flow It measures monitoring data, level measuring data, video monitoring data and/or current detecting data and sends drive to floodgate motor control circuit Dynamic control signal;Governor circuit carries out information exchange by telecommunication circuit and external device;Governor circuit is sent to display circuit Show data.
By above scheme as it can be seen that intelligent gate controller of the invention is integrated with a variety of data acquisition circuits, such as water flow Sensor circuit, Water level measuring sensor circuit, video monitoring circuit, current detection circuit etc., level of integrated system is higher.Together When, pass through the transmissions such as water flow sensor circuit, Water level measuring sensor circuit, video monitoring circuit, current detection circuit Data can send control signal to floodgate motor control circuit, reduce the control difficulty of gate, while gate control can be improved Accuracy.In addition, electric current of the setting current detection circuit to detect floodgate motor, can prevent overtension from burning gate electricity Machine improves the service life of motor.
In further embodiment, intelligent gate controller further includes storage circuit, and storage circuit is electrically connected with governor circuit.
It can be seen that setting storage circuit, can be used for storing water flow sensor circuit, Water level measuring sensor circuit, Data transmitted by the circuits such as video monitoring circuit and current detection circuit.It is stored so as to user query data and application Data.
In further embodiment, intelligent gate controller further includes key circuit, the electrical connection of key circuit governor circuit.
It can be seen that the setting or modification of system parameter can be convenient for by setting button circuit.
In further embodiment, current detection circuit includes current detecting chip and voltage follower, current detecting chip Output end be electrically connected with the input terminal of voltage follower, the output end of voltage follower is electrically connected with governor circuit.
It can be seen that detecting the electric current of floodgate motor by current detection circuit, judge whether the power supply of motor is normal, really Protect motor and safety.Further, since the voltage of current detection circuit output is likely to be greater than the voltage rating of governor circuit, The output end of current detecting chip accesses voltage follower, to limit the voltage exported to governor circuit, plays protection master control The effect of circuit.
In further embodiment, floodgate motor control circuit include enable end control circuit, turn to end control circuit and The input terminal of motor interface, enable end control circuit is electrically connected with governor circuit, the output end and motor of enable end control circuit Interface electrical connection, the input terminal for turning to end control circuit are electrically connected with governor circuit, turn to the output end and electricity of end control circuit The electrical connection of machine interface.
It can be seen that setting enable end control circuit, turn to end control circuit can enable end to floodgate motor and steering End controls respectively, to realize the opening and closing of regulating gate.
In further embodiment, enable end control circuit includes the first N-type field-effect tube and the second N-type field-effect tube, the The grid of one N-type field-effect tube is electrically connected with governor circuit, drain electrode and the second N-type field-effect tube of the first N-type field-effect tube Grid electrical connection, the drain electrode of the second N-type field-effect tube are electrically connected with motor interface.
In further embodiment, turning to end control circuit includes third N-type field-effect tube and the 4th N-type field-effect tube, the The grid of three N-type field-effect tube is electrically connected with governor circuit, drain electrode and the 4th N-type field-effect tube of third N-type field-effect tube Grid electrical connection, the drain electrode of the 4th N-type field-effect tube are electrically connected with motor interface.
It can be seen that enable end control circuit and steering end control circuit, carry out switch control by setting field-effect tube, The sensitivity of control can be improved, while reducing power consumption.
In further embodiment, power circuit includes the first power supply circuit, the second power supply circuit and power supply control chip, First power supply circuit and the second power supply circuit are electrically connected with power supply control chip respectively;Power supply control chip controls first are powered electricity The on or off on road and the second power supply circuit.
It can be seen that the first power supply circuit of setting and the second power supply circuit, and controlled by power supply control chip, it is right Power supply circuit is selected, and ensures the stability of power supply.
In further embodiment, telecommunication circuit includes at least one of serial communication circuit and radio communication circuit.
It can be seen that by setting multiclass telecommunication circuit, can make intelligent gate controller access a variety of external equipments and with Communication.
Detailed description of the invention
Fig. 1 is the circuit structure block diagram of intelligent gate controller embodiment of the invention.
Fig. 2 is the circuit diagram of current detection circuit in intelligent gate controller embodiment of the invention.
Fig. 3 is the circuit diagram of floodgate motor control circuit in intelligent gate controller embodiment of the invention.
Fig. 4 is the circuit diagram of power circuit in intelligent gate controller embodiment of the invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
As shown in Figure 1, intelligent gate controller of the invention includes governor circuit 1, power circuit 2, water flow sensor Circuit 3, Water level measuring sensor circuit 4, video monitoring circuit 5, current detection circuit 6, floodgate motor control circuit 7, communication Circuit 8, display circuit 9, storage circuit 10 and key circuit 11, power circuit 2 are electric to governor circuit 1, water flow sensor Road 3, Water level measuring sensor circuit 4, video monitoring circuit 5, current detection circuit 6, floodgate motor control circuit 7, communication electricity Road 8, display circuit 9, storage circuit 10 and key circuit 11 provide power supply.Water flow sensor circuit 3, level measuring sensing Device circuit 4, current detection circuit 6, floodgate motor control circuit 7, telecommunication circuit 8, display circuit 9, is deposited video monitoring circuit 5 Storage road 10 and key circuit 11 are electrically connected with governor circuit 1 respectively.
Water flow sensor circuit 3 sends water flow monitoring data to governor circuit 1, and water flow monitoring data record passes through The water flow of sluice counts convenient for water flow.In the present embodiment, water flow sensor circuit 3 is using existing known water flow Sensor circuit, it can be achieved that water flow data acquisition, details are not described herein.
4 circuit of Water level measuring sensor sends level measuring data, level measuring data record sluice institute to governor circuit 1 The water level conditions for locating scene, in the present embodiment, Water level measuring sensor 4, can be real using existing known Water level measuring sensor The acquisition of existing level measuring data, details are not described herein.
Video monitoring circuit 5 sends video monitoring data to governor circuit 1, and video monitoring data can observe lock convenient for user The field condition of door, is checked instead of artificial scene.In the present embodiment, video monitoring circuit 5 is using existing known video monitoring Circuit, it can be achieved that video monitoring data acquisition, details are not described herein.
Current detection circuit 6 sends the current detecting data of floodgate motor (not shown) to governor circuit 1.Wherein, gate Motor is used for the lifting of regulating gate, to play the purpose of control water flow.Referring to fig. 2, current detection circuit 6 is examined including electric current Chip U1 and voltage follower U2 is surveyed, the output end of current detecting chip U1 is electrically connected with the input terminal of voltage follower U2, electricity The output end of pressure follower U2 is electrically connected with governor circuit 1.Preferably, current detecting chip U1 is the electric current inspection of AD8217 model Survey chip.Current detecting chip U1 is connect by input terminal 61 with the power end of floodgate motor, so that current detecting data are obtained, Current detecting data are sent to governor circuit 1 by terminal 62 by current detection circuit 6, and governor circuit 1 can be according to current detecting Data judge whether the power supply of floodgate motor is normal, so as to take further operation, such as cut off the power or alarm.
Governor circuit 1 is according to water flow monitoring data, level measuring data, video monitoring data and/or current detecting number Driving control signal is sent according to floodgate motor control circuit 7.Governor circuit 1 obtains water flow monitoring data, level measuring number After, video monitoring data and video monitoring data, these data can be analyzed and processed, thus based on the analysis results to Floodgate motor control circuit 7 sends driving control signal.Such as: governor circuit 1 can judge to work as according to water flow monitoring data Whether preceding water flow is more than expected threshold value, if so, to 7 driving control signal of floodgate motor control circuit, closed shutter;It is main Control circuit 1 can judge whether current level is more than preset water level value according to level measuring data, if so, to floodgate motor control 7 driving control signal of circuit processed opens gate and discharges water;Governor circuit 1 can judge that gate scene is according to video monitoring data No appearance is abnormal, if so, closing or opening gate to 7 driving control signal of floodgate motor control circuit;Governor circuit 1 can Whether the power supply to judge floodgate motor according to current detecting data is abnormal, controls if so, driving to floodgate motor control circuit 7 Signal processed, stops working, or combination accordingly is to 7 driving control signal of floodgate motor control circuit etc..
Referring to Fig. 3, floodgate motor control circuit 7 includes enable end control circuit 71, turns to end control circuit 72 and electricity The input terminal 73 of machine interface J1, enable end control circuit 71 are electrically connected with governor circuit 1, the output end of enable end control circuit 71 74 are electrically connected with motor interface J1, and the input terminal for turning to end control circuit 72 is electrically connected with governor circuit 1, turn to end control circuit 72 output end is electrically connected with motor interface J1, and motor interface J1 is electrically connected with floodgate motor.Enable end control circuit 71 is to lock The enable end of door motor, which is sent, makes can control signal, turns to end control circuit 72 to the steering end of floodgate motor and sends course changing control Signal.
Wherein, enable end control circuit 71 includes the first N-type field-effect tube Q1 and the second N-type field-effect tube Q2, the first N-type The grid of field-effect tube Q1 is electrically connected with governor circuit 1, the drain electrode of the first N-type field-effect tube Q1 and the second N-type field-effect tube Q2 Grid electrical connection, the drain electrode of the second N-type field-effect tube Q2 is electrically connected with motor interface J1.Turning to end control circuit 72 includes the The grid of three N-type field-effect tube Q3 and the 4th N-type field-effect tube Q4, third N-type field-effect tube Q3 are electrically connected with governor circuit 1, The drain electrode of third N-type field-effect tube Q3 is electrically connected with the grid of the 4th N-type field-effect tube Q4, the leakage of the 4th N-type field-effect tube Q4 Pole is electrically connected with motor interface J1.
Governor circuit 1 carries out information exchange by telecommunication circuit 8 and external device.Preferably, telecommunication circuit 8 includes serial ports At least one of telecommunication circuit and radio communication circuit.Wherein, serial communication circuit includes the string such as RS232, RS422, RS485 Port communications circuit, radio communication circuit include the radio communication circuits such as GPRS, WIFI, bluetooth.Master control is realized by telecommunication circuit 8 Circuit 1 is communicated with external device, the purpose realizing field control and remotely controlling.
Governor circuit 1 sends display data to display circuit 9.Governor circuit 1 surveys water flow sensor circuit 3, water level It, can be to analysis after data transmitted by quantity sensor circuit 4, video monitoring circuit 5 or current detection circuit 6 are analyzed and processed As a result it is shown in display circuit 9, so that user knows the monitoring situation of sluice.
Governor circuit 1 sends storing data to storage circuit 10.Governor circuit 1 surveys water flow sensor circuit 3, water level Data transmitted by quantity sensor circuit 4, video monitoring circuit 5 or current detection circuit 6 are stored, while can also be to analysis Processing result is stored, so that user carries out data inspection and analysis.
Key circuit 11 sends to governor circuit 1 and presses key control signal.For the ease of carrying out parameter setting and sending control Signal processed, governor circuit 1 can be operated according to transmitted by key circuit 11 by key control letter.
Referring to fig. 4, power circuit 2 includes the first power supply circuit 21, the second power supply circuit 22 and power supply control chip U3, First power supply circuit 21 and the second power supply circuit 22 are electrically connected with power supply control chip U3 respectively.Preferably, power supply control chip U3 is the power supply control chip of TLC4417 model.Power supply control chip U3 controls the first power supply circuit 21 and the second power supply circuit 22 on or off.In the present embodiment, the first power supply circuit 21 accesses external power supply by terminal 211, and passes through terminal 212 Voltage is provided.First power supply circuit 21 is provided with field-effect tube Q5 and field-effect tube Q6, power supply control chip U3 by respectively to Field-effect tube Q5 and field-effect tube Q6 sends control signal, controls the on or off of field-effect tube Q5 and field-effect tube Q6, from And control the on or off of the first power supply circuit 21.Second power supply circuit 22 is electrically connected by terminal 221 with rechargeable battery, And voltage is provided by terminal 222.Second power supply circuit 22 is provided with field-effect tube Q7 and field-effect tube Q8, power supply control chip By sending control signal to field-effect tube Q7 and field-effect tube Q8 respectively, control field-effect tube Q7's and field-effect tube Q8 leads U3 Logical or cut-off, thus the on or off of the second power supply circuit 22 of control.Power supply control chip U3 can be selected according to preferred rank For circuit, in the present embodiment, preferably selects the first power supply circuit 21 and be powered.
Power circuit 2 may also include multiple voltage regulator circuit (not shown), thus by voltage pressure stabilizing at the volume of a circuit module Constant voltage, so that each circuit module can work normally.
It can be seen from the above, intelligent gate controller of the invention is integrated with a variety of data acquisition circuits, as water flow senses Device circuit 3, Water level measuring sensor circuit 4, video monitoring circuit 5, current detection circuit 6 etc., level of integrated system is higher.Together When, it, can be to lock by the data of the transmissions such as water flow sensor circuit 3, Water level measuring sensor circuit 4, video monitoring circuit 5 Door motor control circuit 7 sends control signal, reduces the control difficulty of gate, while the accuracy of gate control can be improved.This Outside, electric current of the setting current detection circuit 6 to detect floodgate motor, can prevent overtension from burning floodgate motor, improve electricity The service life of machine.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept invented is not limited thereto, All insubstantial modifications made using this design to the present invention, are also fallen within the scope of protection of the present invention.

Claims (9)

1. a kind of intelligence gate controller, it is characterised in that: including governor circuit, power circuit, water flow sensor circuit, water Position measuring sensor circuit, video monitoring circuit, current detection circuit, floodgate motor control circuit, telecommunication circuit and display Circuit, the power circuit is to the governor circuit, the water flow sensor circuit, the water level sensor circuit, described Video monitoring circuit, the current detection circuit, the floodgate motor control circuit, the telecommunication circuit and display electricity Road provides power supply, the water flow sensor circuit, the water level sensor circuit, the video monitoring circuit, the electric current Detection circuit, the floodgate motor control circuit, the telecommunication circuit and the display circuit respectively with the governor circuit Electrical connection;
The water flow sensor circuit sends water flow monitoring data to the governor circuit;
The Water level measuring sensor circuit sends level measuring data to the governor circuit;
The video monitoring circuit sends video monitoring data to the governor circuit;
The current detection circuit sends the current detecting data of floodgate motor to the governor circuit;
The governor circuit according to the water flow monitoring data, the level measuring data, the video monitoring data and/or The current detecting data send driving control signal to the floodgate motor control circuit;
The governor circuit carries out information exchange by the telecommunication circuit and external device;
The governor circuit sends display data to the display circuit.
2. intelligence gate controller according to claim 1, it is characterised in that:
The intelligence gate controller further includes storage circuit, and the storage circuit is electrically connected with the governor circuit.
3. intelligence gate controller according to claim 1, it is characterised in that:
The intelligence gate controller further includes key circuit, the electrical connection of governor circuit described in the key circuit.
4. intelligence gate controller according to any one of claims 1 to 3, it is characterised in that:
The current detection circuit includes current detecting chip and voltage follower, the output end of the current detecting chip and institute The input terminal electrical connection of voltage follower is stated, the output end of the voltage follower is electrically connected with the governor circuit.
5. intelligence gate controller according to any one of claims 1 to 3, it is characterised in that:
The floodgate motor control circuit includes enable end control circuit, turns to end control circuit and motor interface, described to make The input terminal of energy end control circuit is electrically connected with the governor circuit, the output end and the motor of the enable end control circuit Interface electrical connection, the input terminal for turning to end control circuit are electrically connected with the governor circuit, steering end control circuit Output end be electrically connected with the motor interface.
6. intelligence gate controller according to claim 5, it is characterised in that:
The enable end control circuit includes the first N-type field-effect tube and the second N-type field-effect tube, the first N-type field-effect The grid of pipe is electrically connected with the governor circuit, drain electrode and the second N-type field-effect tube of the first N-type field-effect tube Grid electrical connection, the drain electrode of the second N-type field-effect tube are electrically connected with the motor interface.
7. intelligence gate controller according to claim 5, it is characterised in that:
Steering end control circuit includes third N-type field-effect tube and the 4th N-type field-effect tube, the third N-type field-effect The grid of pipe is electrically connected with the governor circuit, drain electrode and the 4th N-type field-effect tube of the third N-type field-effect tube Grid electrical connection, the drain electrode of the 4th N-type field-effect tube are electrically connected with the motor interface.
8. intelligence gate controller according to any one of claims 1 to 3, it is characterised in that:
The power circuit includes the first power supply circuit, the second power supply circuit and power supply control chip, the first power supply electricity Road and second power supply circuit are electrically connected with the power supply control chip respectively;
The on or off of first power supply circuit described in the power supply control chip controls and second power supply circuit.
9. intelligence gate controller according to any one of claims 1 to 3, it is characterised in that:
The telecommunication circuit includes at least one of serial communication circuit and radio communication circuit.
CN201810653491.8A 2018-06-22 2018-06-22 A kind of intelligence gate controller Pending CN109031985A (en)

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Application Number Priority Date Filing Date Title
CN201810653491.8A CN109031985A (en) 2018-06-22 2018-06-22 A kind of intelligence gate controller

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Publication Number Publication Date
CN109031985A true CN109031985A (en) 2018-12-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113992714A (en) * 2021-10-22 2022-01-28 湖北公众信息产业有限责任公司 Remote monitoring method and system for outdoor drainage gate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2794156Y (en) * 2004-10-11 2006-07-12 河北省水利科学研究院 Intelligent water taking controller in well irrigation area
KR20120005335A (en) * 2010-07-08 2012-01-16 순천대학교 산학협력단 Smart monitoring system for saltern using sensor network
CN102572387A (en) * 2011-07-27 2012-07-11 河海大学 Wireless-network-based water gate security monitoring system
CN102917202A (en) * 2011-08-04 2013-02-06 苏州微体电子科技有限公司 Sluice safety monitoring system based on wireless network
CN103176466A (en) * 2013-03-31 2013-06-26 兰州理工大学 Water-saving agricultural ecological information acquisition system
CN204904057U (en) * 2015-09-06 2015-12-23 华自科技股份有限公司 Rain condition of catchmenting telemetering measurement and gate automated control are in integrated system of an organic whole
CN208314485U (en) * 2018-06-22 2019-01-01 广东容宏科技有限公司 A kind of intelligence gate controller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2794156Y (en) * 2004-10-11 2006-07-12 河北省水利科学研究院 Intelligent water taking controller in well irrigation area
KR20120005335A (en) * 2010-07-08 2012-01-16 순천대학교 산학협력단 Smart monitoring system for saltern using sensor network
CN102572387A (en) * 2011-07-27 2012-07-11 河海大学 Wireless-network-based water gate security monitoring system
CN102917202A (en) * 2011-08-04 2013-02-06 苏州微体电子科技有限公司 Sluice safety monitoring system based on wireless network
CN103176466A (en) * 2013-03-31 2013-06-26 兰州理工大学 Water-saving agricultural ecological information acquisition system
CN204904057U (en) * 2015-09-06 2015-12-23 华自科技股份有限公司 Rain condition of catchmenting telemetering measurement and gate automated control are in integrated system of an organic whole
CN208314485U (en) * 2018-06-22 2019-01-01 广东容宏科技有限公司 A kind of intelligence gate controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113992714A (en) * 2021-10-22 2022-01-28 湖北公众信息产业有限责任公司 Remote monitoring method and system for outdoor drainage gate

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