CN109917683A - A kind of water flow controller and control system of preventing water leakage - Google Patents
A kind of water flow controller and control system of preventing water leakage Download PDFInfo
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- CN109917683A CN109917683A CN201910198821.3A CN201910198821A CN109917683A CN 109917683 A CN109917683 A CN 109917683A CN 201910198821 A CN201910198821 A CN 201910198821A CN 109917683 A CN109917683 A CN 109917683A
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Abstract
The invention discloses a kind of preventing water leakage water flow controllers, comprising: control host, main control valve, multiple infrared detectors and water flow sensing unit；Main control valve is for being connected or preventing the tap water of house branch to circulate；Water-flow signal is transmitted to control host for acquiring water-flow signal by water flow sensing unit；Infrared detector is for detecting whether there is personnel to pass through；Control host controls opening or closing for main control valve according to the testing result of infrared detector；It if there is personnel pass through, then controls host and releases standby mode, and control main control valve unlatching, if passed through without personnel, and there are water-flow signals, then control main control valve closing；Control host has been internally integrated WiFi module, and WiFi module is used to someone in the opening and closing information of main control valve, water-flow signal and detection zone or unmanned state being forwarded to user terminal by wireless router or server.The present invention can at home nobody and in the case where there is pipe leakage, instantaneously close valve, prevent leak.
Description
Technical field
The present invention relates to leak control technology field, the water flow controller of more particularly to a kind of preventing water leakage and control
System processed.
Background technique
Currently, when building construction, for convenience of people's water, more interlaced water supply pipes can be laid with, layout is more
Complexity, if tap water outside line is closed, and tap opening is forgotten to close by owner, when tap water restores to supply seasonable, tap
It will appear phenomenon of metalling run out, if long-time nobody is handled, it may appear that ponding can not only be made especially in building to oneself
At loss, can also cause damages to other floors resident.In existing leakproof water management, the position and quantity that detector is placed are needed
Want it is enough can be effective, meanwhile, there are when larger water accumulating volume only at detector position, just will call the police or close valve
Door.In manager nobody when, water leakage situation can not be automatically processed in time, however it remains hidden danger.In addition to this, when leaking
When water or ponding, user can not also obtain the water flow exception information in family in time, to can not remotely control.
Therefore, how to provide it is a kind of at home in the case where nobody, still be able to it is automatic, quickly handle water leakage situation, together
When the water flow controller of preventing water leakage that can remotely monitor and control system the problem of being those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of preventing water leakage water flow controller, can at home nobody, and there is pipeline leakage
In the case where water, valve is instantaneously closed, prevents leak；The flow information of water in room can also remotely be monitored.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of preventing water leakage water flow controller, comprising: control host, main control valve, multiple infrared detectors and water flow sensing unit；
The infrared detector is matched by communication key and the control host；The main control valve and the water flow sensing unit respectively with
The control host is electrically connected；
The main control valve is mounted on tap water house branch, for being connected or tap water being prevented to circulate；
The water flow sensing unit is mounted on inside tap water house branch, for acquiring water-flow signal, and by water-flow signal
It is transmitted to the control host；
Whether the infrared detector has personnel to pass through for detecting within the scope of its search coverage；
The control host controls opening or closing for the main control valve according to the testing result of infrared detector；If there is
Personnel pass through, then the control host releases standby mode, and control the main control valve and open, if pass through without personnel, and
There are water-flow signals, then control the main control valve and close；
The control host, which is internally integrated, is described WiFi module, and the WiFi module is used to believe the opening and closing of the main control valve
It is whole by wireless router or server to be forwarded to user by someone or unmanned state in breath, the water-flow signal and detection zone
End.
It can be seen via above technical scheme that compared with prior art, the present invention is red by laying in the multiple positions in room
External detector, detect in room someone or nobody (contain sleep state), control host knot according to detected by infrared detector
Fruit sets a period, if passed through within a preset period of time without personnel, judges that room is in unmanned state, then controls
Device processed enters standby mode, once there is leak or the long stream situation of tap water, after water flow sensing unit senses flowing water signal, by water
Stream signal is transmitted to control host, and control host control main control valve is instantaneously closed, and prevents water flow.If had within a preset period of time
People passes through, then judges that room is in someone's state, water flow sensing unit senses water-flow signal or is not sensed by water-flow signal situation
Under, control host controls main control valve unlatching, it is ensured that the regular supply of tap water.The present invention can according to room someone or nobody
State, control opening or closing for main control valve, can either guarantee the regular supply of tap water, also can under unmanned state,
Main control valve valve is closed in time, is prevented water flow from circulating, is prevented the generation of water leakage situation.In addition to this, the present invention passes through in user
Terminal installs APP, is capable of the abnormal information warning of real-time reception control host transmission, and is capable of the shape of real time inspection control host
State, and then judge that whether there is or not water leakage situations in room, additionally it is possible to the long-range operating status for sending instruction control control host.
Preferably, further include intelligent socket in a kind of above-mentioned preventing water leakage water flow controller, the intelligent socket respectively with
Mains plug and watering equipment are electrically connected, and are matched with the control host by communication key；The infrared detector is visited
It measures in preset time period and passes through without personnel, then whether the control host timing identifies the unlatching of the intelligent socket, such as
Intelligent socket described in fruit is in the open state, then the control host controls the main control valve and opens；If the intelligent socket
It is in close state, then the control host controls the main control valve and closes；The control host controls the WiFi module will
The open and-shut mode of the intelligent socket is forwarded to user terminal by wireless router or server.
The present invention by setting intelligent socket, when in room nobody when, if it is in the open state to recognize intelligent socket,
Then judge that watering equipment is in operating status, even if detecting water-flow signal at this time, for guarantee watering equipment normal operation, then
" clearance " is implemented to watering equipment, then main control valve does not turn off, and guarantees the regular supply of tap water；In the unlatching phase of intelligent socket
Between, control host can periodically check the open state of intelligent socket, once discovery intelligent socket is closed, if still having detected water
Signal is flowed, then controls electrically-controlled valve closing, prevents originally water flowing.The present invention makes washing machine, dish-washing machine by setting intelligent socket
Equal watering equipments can also operate normally under unmanned state, and in the case where intelligent socket is closed, close main control valve in time,
Improve people's lives quality.
Preferably, in a kind of above-mentioned preventing water leakage water flow controller, the control host housing surface is embedded with pairing key,
The pairing key and the control host are electrically connected；The pairing key is for issuing pairing signal to the control host, institute
Control host is stated to be matched according to the pairing signal and the intelligent socket.The present invention leads control by pressing pairing key
Machine and the matching of one key of intelligent socket, it is easy to operate.
It preferably, further include emergency power supply module in a kind of above-mentioned preventing water leakage water flow controller, the emergency power supply mould
Block is that the control host and the infrared detector are powered.Emergency power supply module can be ups power, and each infrared spy
It surveys device and is each equipped with small-sized ups power, ups power has been internally integrated alternating current detection module, and when alternating current disappears, ups power is opened
It is dynamic, controller power supply is continued as, guarantees the normal work of controller.
Preferably, in a kind of above-mentioned preventing water leakage water flow controller, the case surface of the control host is also equipped with report
Alert device, the alarm and the control host are electrically connected；The control host controls the WiFi module for the alarm
The warning information that device issues is forwarded to user terminal by wireless router or server.When there is the case where room leak,
Alarm issues cutting edge of a knife or a sword ring or audible and visible alarm, reminds the current state of customer controller, additionally it is possible to be sent to warning information in time
User terminal makes user obtain state in family in time.
Preferably, in a kind of above-mentioned preventing water leakage water flow controller, be embedded on the shell of the control host on & off switch,
To code key and alarm keys, the on & off switch described is electrically connected code key and the alarm keys with the control host respectively；
The on & off switch opens or closes signal to the control host for issuing, and the control host is opened according to
The signal that key issues controls opening or closing for the main control valve；
Described to be used to issue code key to code signal to the control host, the control host is according to described to code signal
It is matched with the infrared detector；
The alarm keys are for issuing alarm signal to the control host, and the control host is according to the alarm signal
It controls the alarm and issues audible and visible alarm.
Preferably, in a kind of above-mentioned preventing water leakage water flow controller, the control host has been internally integrated AI speech sound device, institute
It states AI speech sound device and the control host is electrically connected；The AI speech sound device turns for acquiring voice signal, and by voice signal
It is changed to the signal that the control host can identify.AI speech sound device is capable of the phonetic control command of Direct Recognition user transmission, control
Host processed executes corresponding movement according to phonetic control command, easy to operate.
Preferably, in a kind of above-mentioned preventing water leakage water flow controller, it is also integrated with gsm module inside the control host,
The gsm module and the control host are electrically connected；The control host controls the gsm module and sends exception information to institute
State user terminal.Gsm module of the present invention sends exception information to user terminal, and user is made to understand state in family in time.
Preferably, in a kind of above-mentioned preventing water leakage water flow controller, power supply instruction is installed on the control host housing
Lamp and communication indicator light, the power supply indicator and the communication indicator light are electrically connected with the control host respectively；It is described
Power supply indicator is used to indicate mains-supplied or battery power supply；The communication indicator light is used to indicate network connection state.
Invention additionally discloses a kind of leakproof water control system, including water flow controller, cloud server and user are whole
End；
The water flow controller is used to its own status information being sent to the cloud server；The status information is extremely
It less include: the opening and closing information of the main control valve, the water-flow signal, someone or unmanned state and warning information in detection zone；
The cloud server is used to the status information that the water flow controller is sent being sent to the user terminal；
The user terminal remotely controls the operation of the water flow controller according to the status information of the water flow controller
State.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of structural schematic diagram of preventing water leakage water flow controller provided by the invention；
Fig. 2 attached drawing is a kind of structural schematic diagram of leakproof water control system provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention discloses a kind of preventing water leakage water flow controllers, comprising: control host 1, master control
Valve 2, multiple infrared detectors 3 and water flow sensing unit 4；Infrared detector 3 is matched by communication key and control host 1；Master control
Valve 2 and water flow sensing unit 4 are electrically connected with control host 1 respectively；
Main control valve 2 is mounted on tap water house branch, for being connected or tap water being prevented to circulate；
Water flow sensing unit 4 is mounted on inside tap water house branch, is transmitted for acquiring water-flow signal, and by water-flow signal
To control host 1；
Whether infrared detector 3 has personnel to pass through for detecting within the scope of its search coverage；
Control host 1 controls opening or closing for main control valve 2 according to the testing result of water-flow signal and infrared detector 3；
It if there is personnel pass through, then controls host 1 and releases standby mode, and control the unlatching of main control valve 2, if pass through without personnel, and
There are water-flow signals, then control the closing of main control valve 2；
Control host 1 has been internally integrated WiFi module 5, and WiFi module 5 is used to believe the opening and closing information of main control valve 2, water flow
Number and detection zone in someone or unmanned state user terminal is forwarded to by wireless router or server.
The present invention detects in room someone or nobody (shape containing sleep by laying infrared detectors 3 in the multiple positions in room
State), host 1 is controlled according to detected by infrared detector 3 as a result, a period is set, if within a preset period of time
There is no personnel to pass through, then judges that room is in unmanned state, then controller enters standby mode, once there is leak or tap water
Water-flow signal after water flow sensing unit 4 senses flowing water signal, is transmitted to control host 1, control host 1 controls by long stream situation
Main control valve 2 is instantaneously closed, and water flow is prevented.If someone passes through within a preset period of time, judge that room is in someone's state, water
Flow sensor 4 senses water-flow signal or is not sensed by the case of water-flow signal that control host 1 controls the unlatching of main control valve 2, really
Protect the regular supply of tap water.The present invention according to room someone or nobody state, can control unlatching or the pass of main control valve 2
It closes, can either guarantee the regular supply of tap water, also can close in time 2 valve of main control valve under unmanned state, prevent water flow
Circulation, prevents the generation of water leakage situation.In addition to this, the present invention, being capable of real-time reception control by installing APP in user terminal 5
The abnormal information warning that host 1 processed is sent, and it is capable of the state of real time inspection control host 1, and then judge that whether there is or not leaks in room
Situation, additionally it is possible to the long-range operating status for sending instruction control control host 1.
It in one embodiment, further include intelligent socket 6, intelligent socket 6 is electrical with mains plug and watering equipment respectively
Connection, and matched with control host 1 by communication key；Infrared detector 3 detects in preset time period to be passed through without personnel,
Whether then controlling the unlatching of 1 timing identification intelligent socket of host, if intelligent socket 6 is in the open state, the control of host 1 is controlled
Main control valve 2 processed is opened；If intelligent socket 6 is in close state, controls host 1 and control the closing of main control valve 2；Control host 1
It controls WiFi module 5 and the open and-shut mode of intelligent socket 6 is forwarded to user terminal by wireless router or server.
The present invention by setting intelligent socket 6, when in room nobody when, if recognizing intelligent socket 6 is in opening state
State then judges that watering equipment is in operating status, even if detecting water-flow signal at this time, for the normal fortune for guaranteeing watering equipment
Row then implements " clearance " to watering equipment, then main control valve 2 does not turn off, and guarantees the regular supply of tap water；In intelligent socket 6
Unlatching during, control host 〃 can periodically check the open state of intelligent socket 6, once discovery intelligent socket 6 is closed, if
It has still detected water-flow signal, has then controlled the closing of electrically-controlled valve 2, prevent originally water flowing.The present invention passes through setting intelligent socket 6,
It operate normally the watering equipments such as washing machine, dish-washing machine also can under unmanned state, and the case where intelligent socket 6 is closed
Under, main control valve 2 is closed in time, improves people's lives quality.
More favorable, control 1 case surface of host is embedded with pairing key 7, and pairing key 7 and control host 1 are electrically connected；Match
To key 7 for issuing pairing signal to control host 1, control host 1 is matched according to pairing signal and intelligent socket 6.
It is more favorable, it further include emergency power supply module 8, emergency power supply module 8 is that control host 8 and infrared detector 3 supply
Electricity.
More favorable, the case surface of control host 1 is also equipped with alarm 9, and alarm 9 electrically connects with control host 1
It connects；Control host 1 controls WiFi module 5 and is forwarded to the warning information that alarm 9 issues by wireless router or server
User terminal.It controls and is embedded on & off switch 10 on the shell of host 1, to code key 11 and alarm keys 12, on & off switch 10, to code key 11
It is electrically connected respectively with control host 1 with alarm keys 12；On & off switch 10 opens or closes signal extremely control host 1 for issuing,
The signal control main control valve 2 that control host 1 is issued according on & off switch 10 opens or closes；Code key 11 believes code for issuing
Number to control host 1, control host 1 is matched according to code signal and infrared detector 3；Alarm keys 12 are for issuing alarm signal
To control host 1, control host 1 controls alarm 12 according to alarm signal and issues audible and visible alarm.
In another embodiment, control host 1 has been internally integrated AI speech sound device 13, AI speech sound device 13 and control host 1
It is electrically connected；AI speech sound device 13 converts voice signals into the letter that control host 1 can identify for acquiring voice signal
Number.The phonetic control command that AI speech sound device 13 is capable of Direct Recognition user transmission is converted into the signal that control host 1 can identify,
It controls host 1 and corresponding movement is executed according to phonetic control command, it is easy to operate.
It is more favorable, it controls and is also integrated with gsm module 14 inside host 1, gsm module 14 electrically connects with control host 14
It connects；It controls host 1 and controls the transmission exception information of gsm module 14 to user terminal 5.Gsm module 14 of the present invention sends exception information
To user terminal, state in family is understood in time convenient for user.
In further embodiments, it controls and power supply indicator 15, communication indicator light 16 and state is installed on 1 shell of host
Indicator light 17, power supply indicator 15, communication indicator light 16 and status indicator lamp 17 are electrically connected with control host 1 respectively；Power supply
Indicator light 15 is used to indicate mains-supplied or battery power supply；Communication indicator light 16 is used to indicate network connection state；State instruction
Lamp 17 is used to indicate the working condition of control host 1.Power supply indicator 15 is always on, and indicates mains-supplied, and interruption is glittering, indicates
Emergency power supply module 8 is powered.17 green light of status indicator lamp, which is always on, indicates that controller works normally and someone in family, the every 2s of red light dodge
It is bright to indicate unmanned standby mode, the glittering expression water leakage alarm of the every 1s of red light.Communication 16 green light of indicator light is always on expression network connection
Outer net, glittering expression connect Intranet, and not working indicates failed cluster.
As shown in Fig. 2, the present invention also provides a kind of leakproof water control system, including water flow controller 100, cloud server
200 and user terminal 300；
Water flow controller 100 is used to its own status information being sent to cloud server 200；Status information is at least wrapped
It includes: the opening and closing information of main control valve 2, water-flow signal, someone or unmanned state and warning information in detection zone；
Cloud server 200 is used to the status information that water flow controller 100 is sent being sent to the user terminal 300；
Status information of the user terminal 300 according to water flow controller 100, the long-range operation shape for controlling water flow controller 100
State.
The present invention can remotely monitor the operating status of water flow controller 100, to obtained in family in time with the presence or absence of leakage
Regimen condition, can remote control water flow controller 100, avoid losing, intelligence degree is higher.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of preventing water leakage water flow controller characterized by comprising control host (1), main control valve (2), multiple infrared acquisitions
Device (3) and water flow sensing unit (4)；The infrared detector (3) is matched by communication key and the control host (1)；It is described
Main control valve (2) and the water flow sensing unit (4) are electrically connected with the control host (1) respectively；
The main control valve (2) is mounted on tap water house branch, for being connected or tap water being prevented to circulate；
The water flow sensing unit (4) is mounted on inside tap water house branch, passes for acquiring water-flow signal, and by water-flow signal
Transport to the control host (1)；
Whether the infrared detector (3) has personnel to pass through for detecting within the scope of its search coverage；
Control host (1) controls the master control according to the testing result of the water-flow signal and the infrared detector (3)
Valve (2) open or close；If there is personnel pass through, then the control host (1) releases standby mode, and controls the master control
Valve (2) is opened, if passed through without personnel, and there are water-flow signals, then controls the main control valve (2) closing；
The control host (1) has been internally integrated WiFi module (5), and the WiFi module (5) is used for the main control valve (2)
Someone or unmanned state are forwarded to by wireless router or server in opening and closing information, the water-flow signal and detection zone
User terminal.
2. a kind of preventing water leakage water flow controller according to claim 1, which is characterized in that further include intelligent socket (6), institute
It states intelligent socket (6) to be electrically connected with mains plug and watering equipment respectively, and passes through communication key with the control host (1)
Pairing；The infrared detector (3) is detected in preset time period to be passed through without personnel, then control host (1) timing is known
Whether the unlatching of the not described intelligent socket, if the intelligent socket (6) is in the open state, control host (1) control
Make the main control valve (2) unlatching；If the intelligent socket (6) is in close state, described in control host (1) control
Main control valve (2) is closed；Control host (1) controls the WiFi module (5), and the open and-shut mode of the intelligent socket (6) is logical
It crosses wireless router or server is forwarded to user terminal.
3. a kind of preventing water leakage water flow controller according to claim 2, which is characterized in that control host (1) shell
Surface is embedded with pairing key (7), and the pairing key (7) and the control host (1) are electrically connected；The pairing key (7) is used for
Pairing signal is issued to the control host (1), the control host (1) is according to the pairing signal and the intelligent socket
(6) it matches.
4. a kind of preventing water leakage water flow controller according to claim 1, which is characterized in that further include emergency power supply module
(8), the emergency power supply module (8) is that the control host (8) and the infrared detector (3) are powered.
5. a kind of preventing water leakage water flow controller according to claim 1, which is characterized in that outside control host (1)
Shell surface is also equipped with alarm (9), and the alarm (9) and the control host (1) are electrically connected；The control host
(1) warning information that the WiFi module (5) issues the alarm (9) is controlled to forward by wireless router or server
To user terminal.
6. a kind of preventing water leakage water flow controller according to claim 5, which is characterized in that outside control host (1)
On & off switch (10) is embedded on shell, to code key (11) and alarm keys (12), it is the on & off switch (10), described to code key (11) and institute
Alarm keys (12) are stated to be electrically connected with the control host (1) respectively；
The on & off switch (10) opens or closes signal to the control host (1), control host (1) basis for issuing
The signal that the on & off switch (10) issues controls opening or closing for main control valve (2)；
Described to be used to issue code key (11) to code signal to the control host (1), the control host (1) is according to described right
Code signal and the infrared detector (3) are matched；
The alarm keys (12) are for issuing alarm signal to the control host (1), and the control host (1) is according to the report
Alert signal controls the alarm (12) and issues audible and visible alarm.
7. a kind of preventing water leakage water flow controller according to claim 1, which is characterized in that the control host (1) is internal
It is integrated with AI speech sound device (13), the AI speech sound device (13) and the control host (1) are electrically connected；The AI speech sound device (13)
For acquiring voice signal, and convert voice signals into the signal that control host (1) can identify.
8. a kind of preventing water leakage water flow controller according to claim 1, which is characterized in that also collect inside the control host
At having gsm module (14), the gsm module (14) and the control host (14) are electrically connected；Control host (1) control
The gsm module (14) sends exception information to the user terminal (5).
9. a kind of preventing water leakage water flow controller according to claim 1, which is characterized in that control host (1) shell
On power supply indicator (15), communication indicator light (16) and status indicator lamp (17) be installed, it is the power supply indicator (15), described
Indicator light (16) and the status indicator lamp (17) is communicated to be electrically connected with the control host (1) respectively；The power supply instruction
Lamp (15) is used to indicate mains-supplied or battery power supply；The communication indicator light (16) is used to indicate network connection state；It is described
Status indicator lamp (17) is used to indicate the working condition of control host (1).
10. a kind of leakproof water control system, which is characterized in that the water flow controller including any one of such as claim 1-10
(100), cloud server (200) and user terminal (300)；
The water flow controller (100) is used to its own status information being sent to the cloud server (200)；The state
Information includes at least: the opening and closing information of the main control valve (2), the water-flow signal, in detection zone someone or unmanned state and
Warning information；
The cloud server (200) is used to the status information that the water flow controller is sent being sent to the user terminal
(300)；
The user terminal (300) remotely controls the water flow controller according to the status information of the water flow controller (100)
(100) operating status.
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| CN201910198821.3A CN109917683A (en) | 2019-03-15 | 2019-03-15 | A kind of water flow controller and control system of preventing water leakage |
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| CN201910198821.3A CN109917683A (en) | 2019-03-15 | 2019-03-15 | A kind of water flow controller and control system of preventing water leakage |
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| CN111443639A (en) * | 2020-04-16 | 2020-07-24 | 杨德 | Household water leakage prevention protection system |
| CN111561603A (en) * | 2020-06-15 | 2020-08-21 | 安徽能测能控科技有限公司 | Intelligent wireless valve controller node control system |
| CN113176758A (en) * | 2021-04-26 | 2021-07-27 | 天津晨天自动化设备工程有限公司 | Data acquisition, monitoring, early warning and maintenance method and system for intelligent water service pipe network |
| CN113514208A (en) * | 2021-07-20 | 2021-10-19 | 河北红岸基地科技有限公司 | Water leakage prevention detection method for electromagnetic valve |
| CN114484295A (en) * | 2022-01-17 | 2022-05-13 | 深圳市柏特瑞电子有限公司 | Water leakage detection linkage device |
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| CN113514208A (en) * | 2021-07-20 | 2021-10-19 | 河北红岸基地科技有限公司 | Water leakage prevention detection method for electromagnetic valve |
| CN114484295A (en) * | 2022-01-17 | 2022-05-13 | 深圳市柏特瑞电子有限公司 | Water leakage detection linkage device |
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