CN107576358A - A kind of wireless intelligent remote-transmission water meter based on NB IOT - Google Patents
A kind of wireless intelligent remote-transmission water meter based on NB IOT Download PDFInfo
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- CN107576358A CN107576358A CN201710909303.9A CN201710909303A CN107576358A CN 107576358 A CN107576358 A CN 107576358A CN 201710909303 A CN201710909303 A CN 201710909303A CN 107576358 A CN107576358 A CN 107576358A
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Abstract
The present invention relates to a kind of wireless intelligent remote-transmission water meter based on NB IOT, including the control circuit being arranged in water meter body upper cavity, the control circuit is included the signal collected to be converted to the MCU main control modules of water flow information and coupled to the sensor assembly of collection voltages or pulse signal, display module, NB IOT wireless transport modules, alarm module, power module；The sensor assembly includes a stepper motor sensor and one or more Hall sensors；The output end of the NB IOT wireless transport modules is connected with a NB IOT antennas, is connected by NB IOT cellular basestations with cloud server；The present invention makes water meter be operated in mandate frequency range, realizes radio meter register by setting NB IOT wireless transport modules.
Description
Technical field
The present invention relates to water meter technical field, particularly a kind of wireless intelligent remote-transmission water meter based on NB-IOT.
Background technology
Now most on the market is mechanical water meter, it is necessary to manually carry out meter reading, is wasted time and energy；Also part is awarded non-
Small wireless water meter under frequency range is weighed, is easily disturbed by outer signals, meter reading efficiency is low, error rate is high, and these water meter functions
It is single, it can not grow with each passing hour, it is impossible to adapt to intelligent social progress demand.Therefore, in existing water meter structure substantially, as specially
Profit number is the water meter structure disclosed in 201610214331.4, and water flow information is acquired by using sensor, and
Increase radio meter register function.
In addition, the current most commonly used water meter iron watchcase by foundry casting, although being handled by plastic-spraying to slow down
The time got rusty, but it is inevitable to get rusty, and the liver that the calcium oxide in drinking water easily gives people causes damage.Copper watchcase
It is that water meter is most popular in the world, but the lead contained by copper watchcase also can produce secondary pollution to water quality.Although plastic meter shell
Human body is safe from harm, but is unable to undergo the adverse circumstances exposed to the sun and rain, high temperature is extremely affixed one's name to, the weather is cold and the ground is frozen, quality is not very stable.Aluminium
Alloy watchcase is that exploitation is on probation in recent years, but coating difficulty accomplishes forever to protect, and the harm element to human body is contained in aluminium alloy
Can have a negative impact to drinking person body.
The content of the invention
In view of this, it is an object of the invention to provide a kind of wireless intelligent remote-transmission water meter based on NB-IOT of type, by setting
NB-IOT wireless transport modules are put, water meter is operated in mandate frequency range, realizes radio meter register.
The present invention is realized using following scheme：A kind of wireless intelligent remote-transmission water meter based on NB-IOT, including water meter body,
Upper cavity and lower chamber are provided with the water meter body, the water inlet for making lower chamber and ft connection is additionally provided with the water meter body
Mouthful and make the delivery port of upper cavity and ft connection, be provided with impeller base in the lower chamber, in the upper cavity provided with
The impeller footstock that impeller base is connected, impeller axle, the impeller axle are rotatably connected in the impeller base and impeller footstock
Lower end is installed with impeller, and the impeller axle upper end is coaxially installed with magnet steel,
The water meter body also includes the control circuit being arranged in the upper cavity, and the control circuit includes MCU master
Control module, the sensor assembly to collection voltages signal or pulse signal, to show the display module of water flow information,
To be wirelessly transferred the NB-IOT wireless transport modules of water flow information and the alarm module to abnormal alarm；It is described
The input of MCU main control modules is connected with the output end of the sensor assembly, to the signal for collecting sensor assembly
Water flow information is converted to, the output end of the MCU main control modules is connected with the input of the display module, that will turn
On display module, the output end of the MCU main control modules also wirelessly passes the water flow presentation of information changed with the NB-IOT
The input of defeated module is connected, water flow information is sent to cloud server by wireless network, the MCU master controls
Module is also connected with the alarm module, to receive warning trigger signal and alert；
The sensor assembly includes more than one stepper motor sensor and more than one Hall sensor；Each stepping
Electromechanical transducer includes being fixedly arranged on impeller footstock upper surface and high magnetic conduction stator piece positioned at magnet steel radial direction side, is connected to height and leads
Coil holder iron core between magnetic stator piece both ends and it is wound on coil holder iron core and produces the coil of voltage signal to sense；Institute
The input that stepper motor sensor coil is stated with the MCU main control modules is connected；Each Hall sensor may be contained within institute
State the side of magnet steel radial direction, to gather pulse signal caused by magnet steel, while and impeller rotating can be judged, carry out current stream
Measure positive reverse-current metering；
The output end of the NB-IOT wireless transport modules is also associated with NB-IOT antennas and is connected, and the NB-IOT is wirelessly passed
Defeated module is connected through NB-IOT antennas, NB-IOT cellular basestations with cloud server successively.
Further, the wireless intelligent remote-transmission water meter also includes the watermeter shell being connected with the water meter body upper end,
The wireless intelligent remote-transmission water meter also includes power module, the power module include being connected with control circuit to for MCU
The metering battery pack of control circuit power supply and be connected with NB-IOT antennas to for NB-IOT wireless transport modules and NB-
The communication battery that IOT antennas are individually powered；The metering battery pack is in the watermeter shell.Because power module is arranged at
In the water meter body external cell box, it is convenient for changing.
Further, the wireless intelligent remote-transmission water meter is also included to carry out the electric ball of current limliting to the delivery port
Valve, the electrical ball valve include the valve element that can open and close delivery port of the rotary setting in the delivery port, are connected to the valve element
Side for the toothed gearing electric motor that drives the valve rod of Spool rotating and be connected with the valve rod；The The gear deceleration electricity
The input of machine is connected with the MCU main control modules, the output end of the toothed gearing electric motor and the input phase of the valve rod
Even, the toothed gearing electric motor drives the valve element to be rotated by the valve rod, and the rotation centerline of the valve element is with going out
Mouth of a river vertical and intersectant centerline.The MCU main control modules can be received by the NB-IOT wireless transport modules and come from high in the clouds
The signal of server, control the toothed gearing electric motor to work, and then control the electrical ball valve to rotate to turn off or on
State delivery port.
Further, the quantity of the stepper motor sensor is one, the quantity of the Hall sensor for one or
It is multiple.
In actual use, the water flowed in pipeline is by the water inlet of the wireless intelligent remote-transmission water meter through over commutation
Device enters lower chamber, water jet propulsion wheel rotation, and drive is set in the magnet steel that impeller upper end is arranged with one heart and rotated together, and magnet steel passes through
Rotation causes radial direction N/S pole fields to change, installed in two kinds of different sensors (1 stepper motor biography of magnet steel radial direction side
Sensor, one or more Hall sensors) synchronously obtain wheel rotation state；Wherein, in stepper motor sensor, produced on magnet steel
Raw magnetic force is transferred to coil holder iron core through high magnetic conduction stator piece, magnetic, causes changes of magnetic field to produce cutting magnetic force because magnet steel rotates
Line, the sensing generation voltage signal on coil, MCU main control modules are inputted through wire；Meanwhile produced on Hall sensor collection magnet steel
Raw electric impulse signal, and synchronously inputted to MCU main control modules through wire.In order to improve precision, two kinds of sensors are directed to leaf respectively
The different velocities of rotation of wheel are acquired signal, and two kinds of sensors can automatically switch work, when impeller high-speed rotation, that is, turn
During speed >=5r/s, stepper motor sensor carries out signal acquisition, and when impeller slowly runs, i.e. during rotating speed ＜ 5r/s, Hall passes
Sensor carries out signal acquisition.The MCU main control modules judge and calculated to synchronization pulse travel direction, obtain water flow
Information, and export and shown to LCDs and sent by NB-IOT wireless transport modules to cloud server, institute
Mandate frequency range can be operated in by stating NB-IOT wireless transport modules, solid line radio meter register, be provided for follow-up running water operator
Charge foundation.The water meter reading data that operator platform is received by extracting in cloud server, can be connected to charge
System carries out payment settlement, while can carry out big data analysis operation, is runed according to data analysis and various alert notices public
The department of department sends respective handling notice.
Further, the alarm module includes tearing table ZEM and the warning output to alert open
Module；The table ZEM of tearing open includes whether be arranged at the water meter body inner surface depressed to detect watchcase
The pressure of unlatching touches switch；If pressure touches switch and obtains warning trigger signal and send to MCU main control modules, the MCU main control modules
Can be sent warning trigger signal by NB-IOT wireless transport modules can be according to the signal to cloud server, operator
Take appropriate measures.
Further, the display module includes 98 segment encode LCDs, while can also carry out 14 bit codes and show.
Further, the MCU main control modules include MSP430/STM32L single-chip microcomputers.
Further, the NB-IOT wireless transport modules include NB-IOT communication modules.
Further, the MCU main control modules are also associated with a SIM number cards, and each water meter can be obtained by SIM number cards
To unique coding.
Further, the rectifier for preventing current from vortex occur is provided with the water inlet.
Further, the mistake to be filtered to the water for flowing into impeller base is additionally provided with below the impeller base
Filter screen, the screen pack can filter out the impurity in water.
Further, the coil is provided with and draws joint one, draws joint two and draw joint three, and the extraction connects
Both ends first and that extraction joint three is respectively with an electric capacity are connected, and the electric capacity is connected and to described with the metering battery pack
Metering battery pack is charged, and improves the power-on time of metering battery pack, extends the service life of water meter；The extraction joint two
It is connected through signal amplification module, filtration module with the input of the MCU main control modules, the MCU main control modules are on coil
Voltage signal be acquired.
Further, the watchcase of the water meter body is made of 304 food-grade stainless steel materials, the upper cavity and institute
The watch core structure stated in lower chamber is made of food grade materials.Wherein, 304 food-grade stainless steel materials due to possess health,
The irreplaceable unique advantages of other materials such as environmental protection, service life length, by as the most scientific alternative materials of water meter housing.
Especially, the wireless intelligent remote-transmission water meter can be made of following two schemes：Scheme one：It is first soft in 3-dimensional
Moulding on part, after the optimization of hydrodynamics Software simulation calculation is set, and go out each component diagram, be converted into metal plate pattern, expand into flat
Face figure, then required stainless steel plate is cut out with precise laser cutting machine, shaped through mould crimped, then through laser welding into each part
Structure, after being repaired by otch, positioned with frock clamp, then through five axle laser welding molded blanks；Then machined car goes out
Each position tooth, handled through the laggard shape pickling electrolytic passivation of surface sand-blasting.Scheme two：This left two-piece type of watchcase point, 3D moulding is good
After make punching press shaping mould, with the stamping left and right two panels of 1.8-2.5mm stainless steel plates, then with laser welding into watchcase hair
Base；Then machined car goes out each position screw thread, is handled through the laggard shape pickling electrolytic passivation of surface sand-blasting.It can be seen that pass through laser
Accurate cutting can obtain compact-sized, high consistency, the nothing of exquisite appearance with five axle laser engine hand precision weldings
Line intelligent telemetering water meter.
Compared with prior art, the invention has the advantages that：
1st, the wireless intelligent remote-transmission water meter based on NB-IOT in the present invention, using NB-IOT wireless transport modules, signal passes
During defeated, the water meter can be operated in mandate frequency range, send data to cloud server, solid line radio meter register, be follow-up
Payment settlement provides foundation with big data statistics.
2nd, the present invention is directed to respectively in order to improve precision using a stepper motor sensor and four Hall sensors two
The different velocities of rotation of impeller are acquired signal, and multiple sensor can automatically switch work, when impeller high-speed rotation, i.e.,
During rotating speed >=5r/s, stepper motor sensor carries out signal acquisition, when impeller slowly runs, i.e. during rotating speed ＜ 5r/s, and Hall
Sensor carries out signal acquisition.
3rd, delivery port is provided with the electrical ball valve of progress current limliting in the present invention, MCU main control modules can pass through NB-IOT
Wireless transport module receives the signal from cloud server, the toothed gearing electric motor work of control electrical ball valve kind, and then controls
Electrical ball valve processed is rotated to turn off or on delivery port.
4th, the watchcase of water meter body is made of 304 food grade stainless steel materials in the present invention, is not easy oxidation and rusting, epicoele
Body is made with the watch core structure in lower chamber of food grade materials, is avoided in the harmful substance water leaking-in in water meter, to human body
Health impacts.Because 304 food grade stainless steel materials are due to possessing the other materials such as health, environmental protection, service life length not
Alternative unique advantage, by as the most scientific alternative materials of water meter housing.
5th, by being arranged at water meter body inner surface, to detect, whether depressed the pressure of watchcase unlatching be tactile to open the present invention
Close, if pressure is touched, switch obtains warning trigger signal and transmission to MCU main control modules, MCU main control modules can be wireless by NB-IOT
Warning trigger signal is sent to cloud server, operator and can taken appropriate measures according to the signal by transport module.
6th, the coil in the present invention can provide electric energy for electric capacity, and electric capacity with metering battery pack by being connected and it being entered
Row charging, it is possible to increase measure the power-on time of battery pack, extend the service life of water meter.
7th, the wireless wireless intelligent remote-transmission water meter based on NB-IOT in the present invention, there is structure letter to gather attractive in appearance reliable, intensity
Height, in light weight, the advantages that precision is high, long lifespan, and cost is relatively low.
Brief description of the drawings
Fig. 1 is the circuit theory schematic diagram of the present invention.
Fig. 2 is the circuit diagram of the MCU main control modules of the present invention.
Fig. 3 is the circuit diagram of sensor of the invention module.
Fig. 4 is the circuit diagram of the display module of the present invention.
Fig. 5 is the circuit diagram of the NB-IOT wireless transport modules of the present invention.
Fig. 6 is the circuit diagram of the power module of the present invention.
Fig. 7 is the water meter structure schematic diagram of the present invention.
Fig. 8 is magnet steel in Fig. 7, high magnetic conduction stator piece, coil holder iron core, the structural representation of coil for the present invention's.Label
Explanation：1 is water meter body, and 2 be upper cavity, and 3 be lower chamber, and 4 be water inlet, and 5 be delivery port, and 6 be impeller base, and 7 be impeller
Footstock, 8 be impeller axle, and 9 be impeller, and 10 be magnet steel, and 11 be high magnetic conduction stator piece, and 12 be coil holder iron core, and 13 be coil, and 13-1 is
Joint one is drawn, 13-2 is draws joint two, and 13-3 is draws joint three, and 14 be watermeter shell, and 15 be metering battery pack, and 16 are
Valve element, 17 be valve rod, and 18 be screen pack.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
A kind of wireless intelligent remote-transmission water meter based on NB-IOT is present embodiments provided, as shown in Figures 1 to 8, including water
Table body 1, is provided with upper cavity 2 and lower chamber 3 in the water meter body 1, be additionally provided with the water meter body 1 make lower chamber 3 and
The water inlet 4 of ft connection and the delivery port 5 for making upper cavity 2 and ft connection, impeller base 6 is provided with the lower chamber 3,
The impeller footstock 7 being connected with impeller base 6 is provided with the upper cavity 2, is rotated in the impeller base 6 and impeller footstock 7
Impeller axle 8 is connected with, the lower end of impeller axle 8 is installed with impeller 9, and the upper end of impeller axle 8 is coaxially installed with magnet steel 10, and it is special
Sign is：The water meter body 1 also includes the control circuit being arranged in the upper cavity 2, and the control circuit includes MCU master
Control module, the sensor assembly to collection voltages signal or pulse signal, to show the display module of water flow information,
To be wirelessly transferred the NB-IOT wireless transport modules of water flow information and the alarm module to abnormal alarm；It is described
The input of MCU main control modules is connected with the output end of the sensor assembly, to the signal for collecting sensor assembly
Water flow information is converted to, the output end of the MCU main control modules is connected with the input of the display module, that will turn
On display module, the output end of the MCU main control modules also wirelessly passes the water flow presentation of information changed with the NB-IOT
The input of defeated module is connected, water flow information is sent to cloud server by wireless network, the MCU master controls
Module is also connected with the alarm module, to receive warning trigger signal and alert；
The sensor assembly includes a stepper motor sensor and one or more Hall sensors；The stepping electricity
Machine sensor includes being fixedly arranged on the upper surface of impeller footstock 7 and is located at the high magnetic conduction stator piece 11 of the radial direction side of magnet steel 10, is connected to
Coil holder iron core 12 between the high both ends of magnetic conduction stator piece 11 and be wound on coil holder iron core 12 sensing generation voltage signal
Coil 13；The stepper motor sensor coil 13 is connected with the input of the MCU main control modules；The hall sensing
Device is arranged at the side of the radial direction of magnet steel 10, to gather pulse signal caused by magnet steel, while and can judge that impeller is positive and negative
Turn, carry out the positive reverse-current metering of water flow；
The output end of the NB-IOT wireless transport modules is also associated with NB-IOT antennas and is connected, and the NB-IOT is wirelessly passed
Defeated module is connected through NB-IOT antennas, NB-IOT cellular basestations with cloud server successively.
In the present embodiment, the wireless intelligent remote-transmission water meter also includes the water meter being connected with the upper end of water meter body 1
Shell 14, the wireless intelligent remote-transmission water meter also include power module, and the power module includes the use being connected with control circuit
Think the metering battery pack 15 of control circuit power supply and be connected with NB-IOT antennas to for NB-IOT wireless transport modules
And the communication battery that NB-IOT antennas are individually powered；The metering battery pack 15 is in the watermeter shell 14.Due to logical
News battery is arranged at outside the water meter body, is convenient for changing；
In the present embodiment, the wireless intelligent remote-transmission water meter is also included to carry out the electricity of current limliting to the delivery port 5
Dynamic ball valve, the electrical ball valve include the valve element 16 that can open and close delivery port of the rotary setting in the delivery port, are connected to institute
State the side of valve element 16 for the toothed gearing electric motor that drives the valve rod 17 of Spool rotating and be connected with the valve rod；It is described
The input of toothed gearing electric motor is connected with the MCU main control modules, the output end of the toothed gearing electric motor and the valve rod
17 input is connected, and the toothed gearing electric motor drives the valve element 16 to be rotated by the valve rod 17, the valve element
Rotation centerline and delivery port vertical and intersectant centerline.The MCU main control modules can be wirelessly transferred by the NB-IOT
Module receives the signal from cloud server, controls the toothed gearing electric motor to work, and then controls the electrical ball valve to turn
Move to turn off or on the delivery port.
In actual use, the water flowed in pipeline is by the water inlet of the wireless intelligent remote-transmission water meter through over commutation
Device 16 enters lower chamber 3, and water jet propulsion impeller 9 rotates, and drive is set in the magnet steel 10 that the upper end of impeller axle 8 is arranged with one heart and turned together
Dynamic, magnet steel 10 causes radial direction N/S pole fields to change by rotating, installed in two kinds of different sensors of the radial direction side of magnet steel 10
(1 stepper motor sensor, one or more Hall sensors) synchronously obtain the rotary state of impeller 9；Wherein, stepper motor passes
In sensor, caused magnetic force is transferred to coil holder iron core 12 through high magnetic conduction stator piece 11, magnetic on magnet steel 10, draws because magnet steel 10 rotates
Magnetizing field change produces cutting magnetic line, the sensing generation voltage signal on coil 13, MCU main control modules is inputted through wire；Together
When, Hall sensor gathers and electric impulse signal is produced on magnet steel 10, and is synchronously inputted to MCU main control modules through wire.In order to carry
High accuracy, two kinds of sensors are acquired signal for the different velocities of rotation of impeller respectively, and two kinds of sensors can be cut automatically
Change jobs, when 9 high-speed rotation of impeller, i.e. during rotating speed >=5r/s, stepper motor sensor carries out signal acquisition, when impeller 9 is low
When speed rotates, i.e. during rotating speed ＜ 5r/s, Hall sensor carries out signal acquisition.The MCU main control modules are to synchronization pulse
Travel direction judges and calculated, and obtains water flow information, and export and shown to LCDs and pass through NB-IOT
Wireless transport module is sent to cloud server, and the NB-IOT wireless transport modules can be operated in mandate frequency range, solid line without
Line meter reading, charge foundation is provided for follow-up running water operator.Operator platform is received by extracting in cloud server
The water meter reading data arrived, toll collection system can be connected to and carry out payment settlement, while big data analysis operation, root can be carried out
Respective handling notice is sent according to the department of data analysis and various alert notice operators.
In the present embodiment, the alarm module includes tearing table ZEM and the alarm to alert open
Output module；It is described tear open table ZEM include be arranged at the water meter body inner surface to detect watchcase whether by
Press-started pressure touches switch；If pressure touches switch and obtains warning trigger signal and send to MCU main control modules, the MCU master controls
Module can be sent warning trigger signal by NB-IOT wireless transport modules can be according to this to cloud server, operator
Signal takes appropriate measures.
In the present embodiment, the display module includes 98 segment encode LCDs, while can also carry out 14 bit codes
Display.
In the present embodiment, the MCU main control modules include MSP430/STM32L single-chip microcomputers.
In the present embodiment, the NB-IOT wireless transport modules include NB-IOT communication modules.
In the present embodiment, the MCU main control modules are also associated with a SIM number cards, and each water meter can pass through SIM numbers
Card is uniquely encoded.
In the present embodiment, the rectifier for preventing current from vortex occur is provided with the water inlet 4.
In the present embodiment, the lower section of the impeller base 6 is additionally provided with to be carried out to the water for flowing into impeller base 6
The screen pack 18 of filter, the screen pack 18 can filter out the impurity in water.
In the present embodiment, the coil 13 is provided with to draw the 13-1 of joint one, the extraction 13-2 of joint two and draw and connect
First three 13-3, the extraction 13-1 of joint one and draw both ends of the 13-3 of joint three respectively with an electric capacity and be connected, the electric capacity with
The metering battery pack 16 is connected and the metering battery pack 16 is charged, when improving the power supply of metering battery pack 16
Between, extend the service life of water meter.The extraction 13-2 of joint two is through signal amplification module, filtration module and the MCU master controls
The input of module is connected, and the MCU main control modules are acquired to the voltage signal on coil 13.
In the present embodiment, the watchcase of the water meter body 1 is made of 304 food-grade stainless steel materials, the epicoele
Body 2 is made with the watch core structure in the lower chamber 3 of food grade materials.Wherein, 304 food-grade stainless steel materials are due to tool
The irreplaceable unique advantages of other materials such as standby health, environmental protection, service life length, by as the most scientific replacement of water meter housing
Material.
In the present embodiment, the wireless intelligent remote-transmission water meter can be made of following two schemes：Scheme one：First exist
Moulding on 3-dimensional software, after the optimization of hydrodynamics Software simulation calculation is set, and go out each component diagram, be converted into metal plate pattern, deploy
For plan, then with precise laser cutting machine required stainless steel plate is cut out, shaped through mould crimped, then through laser welding into each
Modular construction, after being repaired by otch, positioned with frock clamp, then through five axle laser welding molded blanks；Then it is machined
Car goes out each position tooth, is handled through the laggard shape pickling electrolytic passivation of surface sand-blasting.Scheme two：This left two-piece type of watchcase point, 3D makes
Punching press shaping mould is made after type is good, with the stamping left and right two panels of 1.8-2.5mm stainless steel plates, then with laser welding into watchcase
Blank；Then machined car goes out each position screw thread, and pickling electrolytic passivation processing is carried out after surface sand-blasting.It can be seen that by swashing
Light accurate cutting and five axle laser engine hand precision weldings can obtain compact-sized, high consistency, exquisite appearance it is described
Wireless intelligent remote-transmission water meter.
It is noted that it these are only that a preferable embodiment, the present invention are not limited in the embodiment of the present invention
The embodiment above, all any equivalent changes done by the present invention program and modification, caused function is without departing from this
During the scope of scheme, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of wireless intelligent remote-transmission water meter based on NB-IOT, including water meter body (1), the water meter body (1) is interior to be provided with
Upper cavity (2) and lower chamber (3), the water inlet (4) for making lower chamber (3) and ft connection is additionally provided with the water meter body (1)
With the delivery port (5) for making upper cavity (2) and ft connection, the lower chamber (3) is interior to be provided with impeller base (6), the epicoele
The impeller footstock (7) being connected with impeller base (6) is provided with body (2), is turned in the impeller base (6) and impeller footstock (7)
Dynamic to be connected with impeller axle (8), impeller axle (8) lower end is installed with impeller (9), and impeller axle (8) upper end is coaxially installed with
Magnet steel (10), it is characterised in that：The water meter body (1) also includes the control circuit being arranged in the upper cavity (2), described
Control circuit includes MCU main control modules, the sensor assembly to collection voltages signal or pulse signal, showing current stream
Measure the display module of information, being wirelessly transferred the NB-IOT wireless transport modules of water flow information and to abnormal report
Alert alarm module；The input of the MCU main control modules is connected with the output end of the sensor assembly, to by sensor
The signal that module collects is converted to water flow information, and the output ends of the MCU main control modules is defeated with the display module
Enter end connection, to by the water flow presentation of information of conversion on display module, the output ends of the MCU main control modules also with
The input of the NB-IOT wireless transport modules is connected, and is taken current volume information is sent to high in the clouds by wireless network
Business device, the MCU main control modules are also connected with the alarm module, to receive warning trigger signal and alert；
The sensor assembly includes more than one stepper motor sensor and more than one Hall sensor；Each stepper motor
Sensor includes being fixedly arranged on impeller footstock (7) upper surface and is located at the high magnetic conduction stator piece (11) of magnet steel (10) radial direction side, connects
The coil holder iron core (12) that is connected between high magnetic conduction stator piece (11) both ends and be wound on coil holder iron core (12) sensing production
The coil (13) of raw voltage signal；The stepper motor sensor coil (13) and the input phase of the MCU main control modules
Even；Each Hall sensor may be contained within the side of the magnet steel (10) radial direction, and synchronous drive magnetic is rotated to gather impeller (9)
Steel (10) rotate caused by pulse signal, while and can judge impeller rotating, carry out the positive reverse-current metering of water flow；
The output end of the NB-IOT wireless transport modules is also associated with NB-IOT antennas and is connected, and the NB-IOT is wirelessly transferred mould
Block is connected through NB-IOT antennas, NB-IOT cellular basestations with cloud server successively.
A kind of 2. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：It is described wireless
Intelligent telemetering water meter also includes the watermeter shell (14) being connected with the water meter body (1) upper end, the intelligent wireless teletransmission water
Table also includes power module, the power module include being connected with control circuit to the metering battery powered for control circuit
Group (15) and be connected with NB-IOT antennas individually powering for NB-IOT wireless transport modules and NB-IOT antennas
Communicate battery；The metering battery pack (15) is in the watermeter shell (14).
A kind of 3. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：It is described wireless
Intelligent remote water meter is also included to carry out the electrical ball valve of current limliting to the delivery port (5), and the electrical ball valve includes rotation
The valve element (16) that can open and close delivery port that is arranged in the delivery port, be connected to the valve element (16) side be used for drive valve
The valve rod (17) and the toothed gearing electric motor being connected with the valve rod of core rotation；The input of the toothed gearing electric motor with
The MCU main control modules are connected, and the output end of the toothed gearing electric motor is connected with the input of the valve rod (17), the tooth
Wheel reducing motor drives the valve element (16) to be rotated by the valve rod (17), the rotation centerline of the valve element and water outlet
Mouth vertical and intersectant centerline.
A kind of 4. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：The alarm
Module includes tearing table ZEM and the alarm output module to alert open；It is described to tear table ZEM open
Including being arranged at the water meter body (1) inner surface switch is touched to detect the pressure of the whether depressed unlatching of watchcase.
A kind of 5. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：The display
Module includes 98 segment encode LCDs；The MCU main control modules include MSP430 or STM32L single-chip microcomputers；The NB-IOT
Wireless transport module includes NB-IOT communication modules.
A kind of 6. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：The stepping
The quantity of electromechanical transducer is one, and the quantity of the Hall sensor is one or more.
A kind of 7. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：The MCU
Main control module is also associated with a SIM number cards.
A kind of 8. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：The water inlet
The rectifier for preventing current from vortex occur is provided with mouth (4)；It is additionally provided with below the impeller base (6) to right
Flow into the screen pack (18) that the water of impeller base (6) is filtered.
A kind of 9. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：The coil
(13) it is provided with and draws joint one (13-1), draws joint two (13-2) and draw joint three (13-3), the extraction joint
The both ends of one (13-1) and extraction joint three (13-3) respectively with an electric capacity are connected, the electric capacity and the metering battery pack (15)
It is connected and the metering battery pack (15) is charged；The extraction joint two (13-2) is through signal amplification module, filtering
Module is connected with the input of the MCU main control modules.
A kind of 10. wireless intelligent remote-transmission water meter based on NB-IOT according to claim 1, it is characterised in that：The water
The watchcase of table body (1) is made of 304 food-grade stainless steel materials, the upper cavity (2) and the table in the lower chamber (3)
Cored structure is made of food grade materials.
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| CN201710909303.9A CN107576358A (en) | 2017-09-29 | 2017-09-29 | A kind of wireless intelligent remote-transmission water meter based on NB IOT |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710909303.9A CN107576358A (en) | 2017-09-29 | 2017-09-29 | A kind of wireless intelligent remote-transmission water meter based on NB IOT |
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| CN107576358A true CN107576358A (en) | 2018-01-12 |
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ID=61039614
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| CN108111989A (en) * | 2018-02-09 | 2018-06-01 | 上海链轮电子科技有限公司 | Utilization system based on cellular narrowband Internet of Things in medium pipeline monitoring |
| CN108151817A (en) * | 2018-01-17 | 2018-06-12 | 北京华航能信科技有限公司 | NB-IoT Internet of Things water meter systems |
| CN108597200A (en) * | 2018-01-24 | 2018-09-28 | 上海蜂电网络科技有限公司 | Intelligent instrumentation manages system |
| CN108731761A (en) * | 2018-04-18 | 2018-11-02 | 珠海鼎通科技有限公司 | A kind of intelligence Anti-inversion water meter |
| CN109027412A (en) * | 2018-08-07 | 2018-12-18 | 北京慧怡科技有限责任公司 | A kind of intelligence large-diameter water meter |
| CN109067902A (en) * | 2018-08-29 | 2018-12-21 | 广州巨时信息科技有限公司 | Solar energy long-distance wireless meter-reading system |
| CN109520584A (en) * | 2018-11-22 | 2019-03-26 | 安徽宏远仪表有限公司 | Water meter based on NB-IoT |
| CN110057420A (en) * | 2019-06-04 | 2019-07-26 | 廊坊润暖科技有限公司 | A kind of intelligence leak-proof water meter and its control method |
| CN110064893A (en) * | 2019-04-16 | 2019-07-30 | 宁波宁水仪表有限公司 | A kind of stainless steel water meter watchcase and production technology |
| CN110332968A (en) * | 2019-08-05 | 2019-10-15 | 中润智控物联网科技有限公司 | Integrated NB-IOT Internet of Things valve control water meter |
| CN111325961A (en) * | 2020-01-15 | 2020-06-23 | 武汉星山河智能科技有限公司 | Wireless data transmission equipment based on NB-IOT water gauge |
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| CN113432663A (en) * | 2021-06-25 | 2021-09-24 | 淄博海源电子科技有限公司 | Impeller-free water meter with self-cleaning function |
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