CN109741539A - Water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card - Google Patents
Water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card Download PDFInfo
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- CN109741539A CN109741539A CN201910167152.3A CN201910167152A CN109741539A CN 109741539 A CN109741539 A CN 109741539A CN 201910167152 A CN201910167152 A CN 201910167152A CN 109741539 A CN109741539 A CN 109741539A
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Abstract
One kind provided by the invention supports the water-saving irrigation RTU equipment of fingerprint recognition and charging of swiping the card simultaneously, includes: RTU controller, wireless transmission unit, meter reading data interface, LCD display, voice broadcast unit, soil moisture content sensor, level of ground water sensor and pump switch；RTU controller is connected with wireless transmission unit, and remote server carries out data interaction by wireless transmission unit and RTU controller, using the present invention, can support fingerprint recognition and two kinds of charging modes of swiping the card cut operating costs to improve apparatus adaptability.
Description
Technical field
The present invention relates to agricultural irrigation equipment technical field more particularly to a kind of water-saving irrigation RTU equipment technical fields.
Background technique
Currently, domestic agricultural irrigation water amount is huge, there are problems that inefficiency, water waste.Generally using water-saving
Irrigate RTU equipment to be controlled, this water-saving irrigation RTU(Remote Terminal Unit, abbreviation RTU) equipment, including
RTU controller, wireless transmission unit, meter reading data interface, measuring instrument interface, LCD display, voice broadcast unit, soil
Soil moisture content sensor, level of ground water sensor and pump switch and radio frequency card controller.Current this water-saving irrigation RTU equipment
It is disadvantageous in that: being only capable of that the start and stop of brush radio-frequency card is supported to irrigate and realize charging, this mode of operation needs user when in use
The radio-frequency card that me must be carried can not be irrigated normally in start and stop if radio-frequency card damages or loses, and this method of operation needs
A large amount of radio-frequency card is made, a large amount of radio-frequency card maintenance increases operation cost, also brings to the use of user certain
Obstacle.
Then, inventor is in view of this, adhere to abundant to the relevant industries for many years design and develop and the warp of actual fabrication
It tests, water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card is provided, it is more with practical value to reach
Purpose.
Summary of the invention
The purpose of the present invention is to provide a kind of water-saving irrigation RTU equipment for supporting fingerprint recognition and charging of swiping the card simultaneously,
To solve the single technical problem of existing water-saving irrigation RTU equipment charging mode mentioned above in the background art, this hair is used
It is bright, it can support fingerprint recognition and two kinds of charging modes of swiping the card cut operating costs to improve apparatus adaptability.
The present invention provides water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card, includes: RTU
Controller, wireless transmission unit, meter reading data interface, LCD display, voice broadcast unit, soil moisture content sensor, underground water
Level sensor and pump switch；RTU controller is connected with wireless transmission unit, remote server by wireless transmission unit with
RTU controller carries out data interaction；RTU controller is connected with meter reading data interface, the external kilowatt meter recorder of meter reading data interface,
Meter reading data is sent to external kilowatt meter recorder by meter reading data interface by RTU controller；RTU controller and LCD display
It is connected, RTU controller will show that data are sent to LCD display；RTU controller connects voice broadcast unit, and RTU controller will
Speech prompt information is sent to voice broadcast unit；RTU controller is connected with soil moisture content sensor, RTU controller acquisition soil
The output signal of earth soil moisture content sensor calculates soil moisture content；RTU controller is connected with level of ground water sensor, and RTU controller is adopted
Collect the output signal of level of ground water sensor, calculates level of ground water；RTU controller is connected with the pump switch of water pump, RTU control
Device output control signal water supply switch pump, realizes the start-up and shut-down control to water pump；
In the present invention, it is additionally provided with fingerprint recognition Charging Detail Record unit, Charging Detail Record unit of swiping the card, water meter interface and ammeter interface；RTU controller
It is connected with fingerprint recognition Charging Detail Record unit and Charging Detail Record unit of swiping the card, RTU controller can both read the finger of fingerprint recognition Charging Detail Record unit
Line information, and call customer charge information to carry out charging RTU by fingerprint recognition Charging Detail Record unit, charging list of swiping the card can also be read
Then the user information of member calls customer charge information to carry out charging；Controller is connected with water meter interface, connects outside water meter interface
Enter water meter, RTU controller acquires the water usage data of water meter by water meter interface；RTU controller is connected with ammeter interface, ammeter
Ammeter is accessed outside interface, RTU controller acquires the electricity consumption data of ammeter by ammeter interface.
In the present invention, the wireless transmission unit is GPRS module, carries out information biography using mobile data communication network
It is defeated.
In the present invention, the water meter accessed outside the water meter interface is current-output type water meter or RS485 interface intelligence
Water meter.
In the present invention, the ammeter accessed outside the ammeter interface is impulse type ammeter, current-output type ammeter or intelligence
It can RS485 interface ammeter.
In the present invention, the fingerprint recognition Charging Detail Record unit is to judge user identity by fingerprint recognition mode, then from
The cost information of user is called in database, then according to water consumption charging, foundation electricity consumption charging or according to electricity consumption and use
Water carries out mixing charging.
In the present invention, the Charging Detail Record unit of swiping the card, be by identify radio-frequency card user identity, according to water consumption charging,
According to electricity consumption charging or mixing charging is carried out according to electricity consumption and water consumption.
The present invention provides control method that is a kind of while supporting fingerprint recognition and the water-saving irrigation RTU equipment for charging of swiping the card,
Include the following steps:
Step 1: supporting the water-saving irrigation RTU equipment of fingerprint recognition to connect with extraneous power supply this kind, extraneous power supply is this equipment
Operating voltage is provided.
Step 2: water meter will be accessed outside water meter interface 11, ammeter will be accessed outside ammeter interface 10, pump switch 9 is connect
Soil moisture content sensor 7 and level of ground water sensor 8 are installed to mated position by the current supply circuit for entering water pump.
Step 3: after fingerprint recognition Charging Detail Record unit 6 is by the finger print information for reading different user, which being believed
Breath is sent to RTU controller 1, or Charging Detail Record unit 12 of swiping the card is by after the radio frequency identity information for reading different user, by the user
Radio frequency identity information is sent to RTU controller 1.
Step 4:RTU controller 1 reads the cost information of the user information by finger print information or radio frequency identity information,
The display data of the cost information of the user information are sent to LCD display 2 by RTU controller 1, and LCD display 2 believes data
Number being converted into pictorial information is shown, the cost information of the user information is sent to voice broadcast unit 3 by RTU controller 1,
Voice broadcast unit 3 carries out voice broadcast.
Step 5: in the case where user's not arrearage, output control signal is sent to pump switch 9 by RTU controller 1,
So that water pump is opened.
Step 6: after water pump is opened, soil moisture content sensor 7 acquires soil moisture content and data output is sent to RTU control
Device 1 calculates soil moisture content by RTU controller 1；Water level sensor 8 acquires water level information and data output is sent to RTU control
Device 1 calculates level of ground water by RTU controller 1.
Step 7: when fingerprint recognition Charging Detail Record unit 6 will read again the finger print information of user, or Charging Detail Record unit 6 of swiping the card will
When reading again the radio frequency identity information of user, the user fingerprints information or identity information are sent to RTU controller 1, RTU
Output control signal is sent to pump switch 9 by controller 1, so that water pump is closed.
Step 8: remote server issues signal to RTU controller 1 by wireless transmission unit 4, and RTU controller 1 passes through
Water meter interface 11 acquires the water usage data of water meter, while the electricity consumption data of ammeter are acquired by ammeter interface 10, will acquire
Water usage data and electricity consumption data afterwards is stored into the cost information of different user, carries out data interaction.
Step 9:RTU controller 1 transfers the customer charge information and carries out charging, and RTU controller 1 will show that data are sent to
LCD display 2, LCD display 2 convert pictorial information for data-signal and show, RTU controller 1 believes voice prompting
Breath is sent to voice broadcast unit 3, and voice broadcast unit 3 carries out voice broadcast.
Step 10: when live meter reading, meter reading data is sent to external copy by meter reading data interface 5 by RTU controller 1
Table equipment carries out data interaction.
Step 11: above-mentioned cyclic process is repeated, until the work of different user is completed.
In comparison with existing structure, the present invention has the advantage that
The present invention can support fingerprint recognition and radio-frequency card mode to identify user identity simultaneously, can both be carried out by way of swiping the card
It irrigates, can also be irrigated by way of brush finger line, provide more conveniences for the use of user, be preferably suitable for
Agricultural irrigation equipment user and use environment.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention.
In Fig. 1: 1-RTU controller, 2-LCD display, 3- voice broadcast unit, 4- wireless transmission unit, 5- meter reading number
According to interface, 6- fingerprint recognition Charging Detail Record unit, 7- soil moisture content sensor, 8- level of ground water sensor, 9- pump switch, 10- electricity
Table interface, 11- water meter interface, 12- swipe the card Charging Detail Record unit.
Specific embodiment
In the following, will be explained in the embodiment of the present invention, the example is shown in the accompanying drawings and the description below.Although will combine
The exemplary embodiment description present invention, it is to be understood that the description is not really wanted to limit the invention to the illustrative implementation
Example.On the contrary, the present invention will not only cover the exemplary embodiment, but also cover various replacements, it is changing, equivalent and
Other embodiments may include in the spirit and scope of the present invention as defined in the appended claims.
RTU controller used in the present invention, LCD display, voice broadcast unit, wireless transmission unit, meter reading data
Interface, fingerprint recognition Charging Detail Record unit, soil moisture content sensor, level of ground water sensor, pump switch, ammeter interface, water meter connect
Mouthful, it is well known component that Charging Detail Record unit of swiping the card can be bought from market, which to be obtained,.
A kind of embodiment one: water-saving irrigation RTU equipment for supporting fingerprint recognition and charging of swiping the card simultaneously
Referring to Fig. 1, water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card includes: RTU controller
1, wireless transmission unit 4, meter reading data interface 5, LCD display 2, voice broadcast unit 3, soil moisture content sensor 7, underground water
Level sensor 8 and pump switch 9；RTU controller 1 is connected with wireless transmission unit 4, and remote server passes through wireless transmission unit
4 carry out data interaction with RTU controller 1；RTU controller 1 is connected with meter reading data interface 5, the external meter reading of meter reading data interface 5
Meter reading data is sent to external kilowatt meter recorder by meter reading data interface 5 by equipment, RTU controller 1；RTU controller 1 with
LCD display 2 is connected, and RTU controller 1 will show that data are sent to LCD display 2；RTU controller 1 connects voice broadcast list
Speech prompt information is sent to voice broadcast unit 3 by 3, RTU of member controller 1；RTU controller 1 and 7 phase of soil moisture content sensor
Even, RTU controller 1 acquires the output signal of soil moisture content sensor 7, calculates soil moisture content；RTU controller 1 and level of ground water
Sensor 8 is connected, and RTU controller 1 acquires the output signal of underground water level sensor 8, calculates level of ground water；RTU controller 1 with
The pump switch 9 of water pump is connected, and the output control signal water supply switch pump 1 of RTU controller 1 realizes the start-up and shut-down control to water pump.
Preferably, fingerprint recognition Charging Detail Record unit 6, Charging Detail Record unit 12 of swiping the card, water meter interface 11 and ammeter interface 10 are additionally provided with；
RTU controller 1 is connected with fingerprint recognition Charging Detail Record unit 6 and Charging Detail Record unit 12 of swiping the card, and RTU controller 1 can both read fingerprint knowledge
The finger print information of other Charging Detail Record unit 6, and call customer charge information to carry out charging by fingerprint recognition Charging Detail Record unit 6, it can also be with
The identity information for Charging Detail Record unit 12 of swiping the card is read, then customer charge information is called to carry out charging；RTU controller 1 connects with water meter
Mouth 11 is connected, and water meter is accessed outside water meter interface 11, and RTU controller 1 acquires the water usage data of water meter by water meter interface 11；
RTU controller 1 is connected with ammeter interface 10, and ammeter is accessed outside ammeter interface 10, and RTU controller 1 is adopted by ammeter interface 10
Collect the electricity consumption data of ammeter.
Preferably, wireless transmission unit 4 is GPRS module, carries out information transmission using mobile data communication network.
Preferably, the water meter accessed outside water meter interface 11 is current-output type water meter or RS485 interface intellectual water meter.
Preferably, the ammeter accessed outside ammeter interface 10 is impulse type ammeter, current-output type ammeter or intelligence RS485
Interface ammeter.
Preferably, fingerprint recognition Charging Detail Record unit 6 is to judge user identity by fingerprint recognition mode, then from database
The middle cost information for calling user, then according to water consumption charging, according to electricity consumption charging or according to electricity consumption and water consumption into
Row mixing charging.
Preferably, it swipes the card Charging Detail Record unit 12, is by identifying rf subscriber identity, according to water consumption charging, according to electricity consumption
Meter takes or carries out mixing charging according to electricity consumption and water consumption.
A kind of embodiment two: circuit control side supporting fingerprint recognition and the water-saving irrigation RTU equipment for charging of swiping the card simultaneously
Method
Circuit control method that is a kind of while supporting fingerprint recognition and the water-saving irrigation RTU equipment for charging of swiping the card, including walk as follows
It is rapid:
(1) the water-saving irrigation RTU equipment of fingerprint recognition is supported to connect with extraneous power supply this kind, extraneous power supply provides for this equipment
Operating voltage.
(2) water meter will be accessed outside water meter interface 11, ammeter will be accessed outside ammeter interface 10, pump switch 9 is accessed
Soil moisture content sensor 7 and level of ground water sensor 8 are installed to mated position by the current supply circuit of water pump.
(3) after fingerprint recognition Charging Detail Record unit 6 is by the finger print information for reading different user, which is sent out
RTU controller 1 is given, or Charging Detail Record unit 12 of swiping the card is by after the radio frequency identity information for reading different user, by user's radio frequency
Identity information is sent to RTU controller 1.
(4) RTU controller 1 reads the cost information of the user information, RTU control by finger print information or radio frequency identity information
The display data of the cost information of the user information are sent to LCD display 2 by device 1 processed, and LCD display 2 turns data-signal
It turns to pictorial information to be shown, the cost information of the user information is sent to voice broadcast unit 3, voice by RTU controller 1
It broadcasts unit 3 and carries out voice broadcast.
(5) in the case where user's not arrearage, output control signal is sent to pump switch 9 by RTU controller 1, is made
Water pump is obtained to open.
(6) after water pump is opened, soil moisture content sensor 7 acquires soil moisture content and data output is sent to RTU controller
1, soil moisture content is calculated by RTU controller 1；Water level sensor 8 acquires water level information and data output is sent to RTU controller
1, level of ground water is calculated by RTU controller 1.
(7) when fingerprint recognition Charging Detail Record unit 6 is by the finger print information for reading again user, or charging Charging Detail Record unit of swiping the card
12 by the radio frequency identity information for reading again user when, by the user fingerprints information or radio frequency identity information be sent to RTU control
Device 1 processed, output control signal is sent to pump switch 9 by RTU controller 1, so that water pump is closed.
(8) remote server issues signal to RTU controller 1 by wireless transmission unit 4, and RTU controller 1 passes through water meter
Interface 11 acquires the water usage data of water meter, while the electricity consumption data of ammeter are acquired by ammeter interface 10, after acquisition
Water usage data and the storage of electricity consumption data carry out data interaction into the cost information of different user.
(9) RTU controller 1 transfers the customer charge information and carries out charging, and RTU controller 1 will show that data are sent to LCD
Display 2, LCD display 2 convert pictorial information for data-signal and show, RTU controller 1 sends out speech prompt information
Voice broadcast unit 3 is given, voice broadcast unit 3 carries out voice broadcast.
(10) when live meter reading, meter reading data is sent to external meter reading by meter reading data interface 5 by RTU controller 1
Equipment carries out data interaction.
(11) above-mentioned cyclic process is repeated, until the work of different user is completed.
When using this equipment, administrative center can with the corresponding charging mode of Remote configuration and water meter and ammeter type, if
Determine according to water consumption, electricity consumption or hybrid mode, and configures corresponding rate；Water meter is accessed into water meter interface 10, ammeter
Enter ammeter interface 11, pump switch 9 accesses the current supply circuit of water pump, and soil moisture content sensor 7 and level of ground water sensor 8 are installed
In place.Administrative center can remotely read the data such as soil moisture content, level of ground water information, water consumption, electricity consumption in the present invention.
User in use, brush finger line or swipe the card, this equipment will start water pump, start to irrigate first；During irrigation,
RTU controller 1 acquires the data of water meter and ammeter, and carries out charging；Brush finger line or when brush radio-frequency card, terminate to irrigate user again,
RTU controller 1 will switch off the pump, and disbursement and sattlement information is written in database, and the information is passed through wireless transmission unit 4
It is transferred to data center；In operating process, irrigation starts, irrigate terminate, the prompt informations such as arrearage can be gone out by voice broadcast
Come, cost information, soil moisture content, level of ground water information are shown by LCD；When live meter reading, meter-copy device is accessed into meter reading
Data-interface 5 reads the data such as water consumption, the electricity consumption stored in RTU controller 1.
In conclusion although the present invention is described in detail referring to the foregoing embodiments, for the technology of this field
For personnel, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technology
Feature is equivalently replaced, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on, and
It should be included within protection scope of the present invention.
Claims (7)
1. a kind of water-saving irrigation RTU equipment for supporting fingerprint recognition and charging of swiping the card simultaneously, including RTU controller (1), wireless biography
Defeated unit (4), meter reading data interface (5), LCD display (2), voice broadcast unit (3), soil moisture content sensor (7), underground
Water level sensor (8) and pump switch (9)；RTU controller (1) is connected with wireless transmission unit (4), and remote server passes through nothing
Line transmission unit (4) and RTU controller (1) carry out data interaction；RTU controller (1) is connected with meter reading data interface (5), copies
Meter reading data is sent to external by table data-interface (5) external kilowatt meter recorder, RTU controller (1) by meter reading data interface (5)
Kilowatt meter recorder；RTU controller (1) is connected with LCD display (2), and RTU controller (1) will show that data are sent to LCD and show
Device (2)；RTU controller (1) connects voice broadcast unit (3), and speech prompt information is sent to voice and broadcast by RTU controller (1)
Declaration form member (3)；RTU controller (1) is connected with soil moisture content sensor (7), and RTU controller (1) acquires soil moisture content sensor
(7) output signal；RTU controller (1) is connected with level of ground water sensor (8), and RTU controller (1) acquires level of ground water and passes
The output signal of sensor (8)；RTU controller (1) is connected with the pump switch (9) of water pump, RTU controller (1) output control letter
Number water supply switch pump (1), it is characterised in that: be additionally provided with fingerprint recognition Charging Detail Record unit (6), Charging Detail Record unit of swiping the card (12), water meter and connect
Mouth (11) and ammeter interface (10)；RTU controller (1) is connected with fingerprint recognition Charging Detail Record unit (6) and Charging Detail Record unit of swiping the card (12),
RTU controller (1) is connected with water meter interface (11), and water meter is accessed outside water meter interface (11), and RTU controller (1) passes through water meter
The water usage data of interface (11) acquisition water meter；RTU controller (1) is connected with ammeter interface (10), and ammeter interface (10) is external
Ammeter is accessed, RTU controller (1) acquires the electricity consumption data of ammeter by ammeter interface (10).
2. water-saving irrigation RTU equipment that is according to claim 1 while supporting fingerprint recognition and charging of swiping the card, feature exist
In: the water meter accessed outside the water meter interface (11) is pulse output type water meter or RS485 interface intellectual water meter.
3. water-saving irrigation RTU equipment that is according to claim 1 while supporting fingerprint recognition and charging of swiping the card, feature exist
In: wireless transmission unit (4) is GPRS module, carries out information transmission using mobile data communication network.
4. water-saving irrigation RTU equipment that is according to claim 1 while supporting fingerprint recognition and charging of swiping the card, feature exist
In: the ammeter accessed outside the ammeter interface (10) is impulse type ammeter or RS485 interface intelligent electric meter.
5. water-saving irrigation RTU equipment that is according to claim 1 while supporting fingerprint recognition and charging of swiping the card, feature exist
In: the fingerprint recognition Charging Detail Record unit (6) is to judge user identity by fingerprint recognition mode, then adjusts from database
With the cost information of user, then according to water consumption charging, mixed according to electricity consumption charging or according to electricity consumption and water consumption
It is total to take.
6. water-saving irrigation RTU equipment that is according to claim 1 while supporting fingerprint recognition and charging of swiping the card, feature exist
In: the Charging Detail Record unit of swiping the card (12) is by identifying radio-frequency card user identity, according to water consumption charging, according to electricity consumption
Charging carries out mixing charging according to electricity consumption and water consumption.
7. a kind of circuit control as described in claim 1 for supporting fingerprint recognition and the water-saving irrigation RTU equipment for charging of swiping the card
Method, which is characterized in that specific step is as follows:
Step 1: supporting the water-saving irrigation RTU equipment of fingerprint recognition to connect with extraneous power supply this kind, extraneous power supply is this equipment
Operating voltage is provided；
Step 2: water meter will be accessed outside water meter interface (11), ammeter will be accessed outside ammeter interface (10), by pump switch (9)
The current supply circuit for accessing water pump, is installed to mated position for soil moisture content sensor (7) and level of ground water sensor (8)；
Step 3: when fingerprint recognition Charging Detail Record unit (6) will read the finger print information of different user, which being sent out
It gives RTU controller (1), or after Charging Detail Record unit of swiping the card (12) reads the radio frequency identity information of user, by user's radio frequency body
Part information is sent to RTU controller (1)；
Step 4:RTU controller (1) reads the cost information of the user information, RTU by finger print information or radio frequency identity information
The display data of the cost information of the user information are sent to LCD display (2) by controller (1), and LCD display (2) will count
It is shown it is believed that number being converted into pictorial information, the cost information of the user information is sent to voice broadcast by RTU controller (1)
Unit (3), voice broadcast unit (3) carry out voice broadcast；
Step 5: in the case where user's not arrearage, output control signal is sent to pump switch (9) by RTU controller (1),
So that water pump is opened；
Step 6: after water pump is opened, data output is simultaneously sent to RTU controller by soil moisture content sensor (7) acquisition soil moisture content
(1), soil moisture content is calculated by RTU controller (1)；Data output is simultaneously sent to RTU by water level sensor (8) acquisition water level information
Controller (1) calculates level of ground water by RTU controller (1)；
Step 7: when fingerprint recognition Charging Detail Record unit (6) is by the finger print information for reading again user, or Charging Detail Record unit of swiping the card
(12) by the radio frequency identity information for reading again user when, which is sent to RTU controller (1),
Output control signal is sent to pump switch (9) by RTU controller (1), so that water pump is closed；
Step 8: remote server issues signal to RTU controller (1) by wireless transmission unit 4, and RTU controller (1) passes through
Water meter interface (11) acquires the water usage data of water meter, while the electricity consumption data of ammeter are acquired by ammeter interface (10), will
Water usage data and electricity consumption data after acquisition are stored into the cost information of different user, carry out data interaction；
Step 9:RTU controller (1) transfers the customer charge information and carries out charging, and RTU controller (1) will show that data are sent to
LCD display (2), LCD display (2) convert pictorial information for data-signal and show, RTU controller (1) is by voice
Prompt information is sent to voice broadcast unit (3), and voice broadcast unit (3) carries out voice broadcast；
Step 10: when live meter reading, meter reading data is sent to external copy by meter reading data interface (5) by RTU controller (1)
Table equipment carries out data interaction；
Step 11: above-mentioned cyclic process is repeated, until the work of different user is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167152.3A CN109741539A (en) | 2019-03-06 | 2019-03-06 | Water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167152.3A CN109741539A (en) | 2019-03-06 | 2019-03-06 | Water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109741539A true CN109741539A (en) | 2019-05-10 |
Family
ID=66369499
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167152.3A Withdrawn CN109741539A (en) | 2019-03-06 | 2019-03-06 | Water-saving irrigation RTU equipment that is a kind of while supporting fingerprint recognition and charging of swiping the card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109741539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113985788A (en) * | 2021-11-02 | 2022-01-28 | 山东省水利科学研究院 | Automatic metering water supply controller |
-
2019
- 2019-03-06 CN CN201910167152.3A patent/CN109741539A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113985788A (en) * | 2021-11-02 | 2022-01-28 | 山东省水利科学研究院 | Automatic metering water supply controller |
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Application publication date: 20190510 |
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