CN108020273A - A kind of dry-reed Internet of Things water meter based on NB-IoT valve controls - Google Patents
A kind of dry-reed Internet of Things water meter based on NB-IoT valve controls Download PDFInfo
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- CN108020273A CN108020273A CN201810019053.6A CN201810019053A CN108020273A CN 108020273 A CN108020273 A CN 108020273A CN 201810019053 A CN201810019053 A CN 201810019053A CN 108020273 A CN108020273 A CN 108020273A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/065—Indicating or recording devices with transmission devices, e.g. mechanical
- G01F15/066—Indicating or recording devices with transmission devices, e.g. mechanical involving magnetic transmission devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention provides a kind of dry-reed Internet of Things water meter based on NB IoT valve controls, including NB IoT modules and WIFI unit, NB IoT modules and WIFI unit are communicated to connect by universal asynchronous serial communication bus and central processing unit respectively, communication control unit preferentially selects NB IoT modules to communicate, in the case where no NB IoT are covered, the automatic WIFI that converts communicates；Tongue tube movement unit is added, and is connected with central processing unit, can the pulse value that measures of real-time reception；Pass through the work state information of display unit Dynamic Announce water meter；It can be waken up manually by wake-up switch unit or timing wake-up water meter state.The present invention can be controlled user's water meter with regimen condition, save human and material resources and financial resources, improve productivity effect.The wide area low-power consumption NB IoT technologies dominated using operator, possess the water utilities terminal connection that covering is wide, and capacity is big, the high advantage of reliability, is particularly suitable in city scope.Really realize intelligent meter data recording management, the industry for bringing substance to intellectual water meter industry promotes.
Description
Technical field
The present invention relates to Internet of Things water meter field, more particularly to a kind of dry-reed Internet of Things water based on NB-IoT valve controls
Table.
Background technology
Internet of Things is including network, electronics, radio frequency, sensing, wireless, artificial intelligence, bar based on computer science
The integrated technology and application that the technology such as code, cloud computing, automation, embedded is integrated, can allow isolated article (refrigerator,
Automobile, equipment, furniture, kinds of goods etc.) access network world, allowing between them can mutually exchange, is fresh and alive.
NB-IoT (Narrow Band Internet of Things, the arrowband Internet of Things based on cellular network) technology is adopted
With ultra-narrow band, repeat transmit, simplify procotol etc. design, to sacrifice given pace, time delay, mobility performance, obtain towards
The bearing capacity of LPWA (Low Power Wide Area, low-power consumption wide area technology) Internet of Things.NB-IoT is as a kind of new narrow
Band cellular communication LPWA solutions, huge change and innovation will be brought to Internet of Things industry.The solution has many
Advantage, is embodied as：Superpower covering -- than GPRS coverage enhancement 20dB, possess stronger penetration power and wider array of covering model
Enclose；Ultra low power -- 10 years battery lifes, using DRX (Discontinuous Reception, discontinuous reception) and PSM
Power-saving technologies such as (Plower Save Mode, battery saving modes), makes terminal battery life longer, and battery life is 10 years；
Ultra Low Cost -- low price terminal chip, because low rate, low-power consumption, low bandwidth, makes chip be made low cost that is small, and bringing
Advantage.The cost of NB-IoT modules at the same time, also power supply, communication operation cost are all cheaper than other wireless devices；Super large connects
Connect -- support extensive connection, 100K terminals/200KHz cells.The six of NB-IoT technologies are big, and main application scenarios are exactly existing
Mobile communication be difficult support scene, including position tracking, environmental monitoring, intelligent parking, remote meter reading, agricultural and animal husbandry this
A little scenes.Market research agency Machina predicts that NB-IoT futures connect the Internet of Things for covering 25%.
The developing market of water meter uses M-Bus bus communications mostly, and the stock market of water meter is the chance of wireless watermeter.Nothing
The construction is simple of line water meter, because of power consumption, signal covering and the problem of battery life, there is an urgent need to NB-IoT technologies to solve reality
The problem of.
The content of the invention
The present invention provides a kind of dry-reed Internet of Things water meter based on NB-IoT valve controls, using NB-IoT and WIFI without
Seam switch technology solves the problems, such as that existing water meter is a kind of Internet of Things intelligent water caused by power consumption, signal covering and battery life
Table.
To achieve these goals, this invention takes following technical solution：
The present invention provides a kind of dry-reed Internet of Things water meter based on NB-IoT valve controls, including communication control unit, water
Amount detection unit, display unit and wake-up switch unit；
The communication control unit includes central processing unit and connected power control loop, Valve controlling list
Member and communication component；The communication component includes NB-IoT modules and WIFI unit, the NB-IoT modules and WIFI unit point
Do not communicated to connect by universal asynchronous serial communication bus and the central processing unit, the communication control unit is preferentially selected
NB-IoT modules communicate, and in the case where no NB-IoT is covered, the automatic WIFI that converts communicates；
The water detection unit includes base table housing unit and tongue tube movement unit, the base table housing unit be into
Water pipe is connected pipeline with outlet pipe；The tongue tube movement unit is connected with the central processing unit, the central processing
Unit receives the pulse value that the tongue tube movement unit real time measure obtains；
The display unit is connected with the central processing unit, the working status of the display unit Dynamic Announce water meter
Information；
The wake-up switch unit is connected with the central processing unit, by the wake-up switch unit manually wake up or
Timing wake-up water meter state.
Further, the tongue tube movement unit includes tongue tube, permanent magnet and mechanical movement, and the tongue tube is fixed
Water meter count turntable avris, the permanent magnet be fixed on water meter count turntable on, when it is described counting turntable circle, it is described forever
Magnet passes through the position of the tongue tube so that the reed opening and closing of the tongue tube once, thus obtains a pulse value, described
Mechanical movement is fixed on the lower part that water meter counts turntable.
Further, the power control loop connects a power supply, which is lithium thionyl chloride cell.
Further, the base table housing unit is made of filter screen, tube body, ball valve and attachment device, the valve control
Unit processed connects a valve control actuator, and the valve control actuator is opened including direct current generator, mechanical reduction gear and two fine motions
Close, the direct current generator connects the mechanical reduction gear, and the output terminal of the mechanical reduction gear is connected with the ball valve, institute
The contact for being equipped with mechanical reduction gear and coordinating with described two microswitches is stated, the deceleration device coordinates two microswitches
Detect the closure of ball valve.
Further, the wake-up switch unit includes manual toggle switch and real time clock unit, the manual toggle
Switch is arranged on the upper side of the dry-reed Internet of Things water meter, and the real time clock unit is used to preset the wake-up of some time
Water meter, and preset the water consumption in some time report cycle.
Further, the valve control unit and the central processing unit by 4 universal inputs delivery outlet connect
Connect, wherein 2 universal inputs delivery outlet be used for the rotating of the direct current generator and control, in addition 2 universal inputs delivery outlet
For whether in place to detect the ball valve actuator, the signal sent by processor realizes the closing of valve and open-minded；
The central processing unit is STM32L063R8T6 microcontrollers.
Further, the dry-reed Internet of Things water meter of the present invention based on NB-IoT valve controls further includes water meter plastics
Upper shell and water meter plastics lower housing shell, the water meter plastics upper shell are first snapped connection with the water meter plastics lower housing shell,
The water meter plastics upper shell and the water meter plastics lower housing shell are connected into by an entirety by screw again, interface sets close
Seal strip, the screw top are equipped with anti-decomposing lid sealing cap.
As seen from the above technical solution provided by the invention, the present invention possesses Valve controlling function, can be to user's water
Table is controlled with regimen condition, saves human and material resources and financial resources, improves productivity effect.Meanwhile dominated using operator wide
Domain low-power consumption NB-IoT technologies, possess wide covering, and capacity is big, the high advantage of reliability, the water utilities being particularly suitable in city scope
Terminal connects.Following obvious economic value can be brought：Network oneself is safeguarded without water utilities company, saves network operation expense；
Automatic data logging is carried out, saves labour cost；Optimize table business to manage, propose that the water meter of science replaces suggestion, the in time event of investigation water meter
Barrier；Optimize water supply network and visit leakage, reduce and steal water phenomenon, directly lift business revenue profit.Really intelligent meter data recording management is realized, to intelligence
Water meter industry brings the industry of substance to promote.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the front view of the dry-reed Internet of Things water meter provided in an embodiment of the present invention based on NB-IoT valve controls；
Fig. 2 is the top view of the dry-reed Internet of Things water meter provided in an embodiment of the present invention based on NB-IoT valve controls；
Fig. 3 is the left view of the dry-reed Internet of Things water meter provided in an embodiment of the present invention based on NB-IoT valve controls；
Fig. 4 is the partial sectional view of the dry-reed Internet of Things water meter provided in an embodiment of the present invention based on NB-IoT valve controls
a；
Fig. 5 is the partial sectional view of the dry-reed Internet of Things water meter provided in an embodiment of the present invention based on NB-IoT valve controls
b；
Fig. 6 is the partial sectional view of the dry-reed Internet of Things water meter provided in an embodiment of the present invention based on NB-IoT valve controls
c；
Fig. 7 is the water meter system knot of the dry-reed Internet of Things water meter provided in an embodiment of the present invention based on NB-IoT valve controls
Structure schematic diagram.
【Reference numeral】
1. base table housing unit, 2. metal watch glasses, 3. watch crystals, 4. tongue tube movements, 5. communication control units, 6. valve controls
Actuator, 7. plastics upper shells, 8. plastics lower housing shells, 9. plastics upper-lower casing sealing joint strips, 10. ball valves, 11. wake-up switch lists
Member, 12. movement outlet silica gel sheaths, 13. anti-decomposing lid sealing caps, 14. screws, 15. batteries, 16. battery outlet silica gel sheaths, 17. batteries
Lid, 18. sealant rubber rings, 19. microswitches, 20. mechanical reduction gears, 21. direct current generators.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
One or more other features, integer, step, operation, element, component and/or their groups.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or coupling.Wording used herein
"and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is the meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the implication of overly formal be explained.
For ease of the understanding to the embodiment of the present invention, done further by taking several specific embodiments as an example below in conjunction with attached drawing
Explanation, and each embodiment does not form the restriction to the embodiment of the present invention.
Embodiment one
The embodiment of the present invention provides a kind of dry-reed Internet of Things water meter based on NB-IoT valve controls, is a kind of half liquid of wet type
Envelope formula water meter, Fig. 1 be the water meter front view, Fig. 2 be the water meter top view, Fig. 3 be the water meter left view, Fig. 4, Fig. 5,
Fig. 6 be the water meter sectional view, as shown in figures 1 to 6, the water meter by water detection unit, communication control unit 5, display unit,
Valve control actuator 6, sealing joint strip 9, ball valve 10, wake-up switch unit 11, water meter plastic casing component, battery 15, silica gel sheath group
The parts such as part form.Wherein:
Water detection unit is connected with communication control unit by cable；Display unit and communication control unit 5 pass through line
Cable connects；Valve control actuator 6 is connected with communication control unit 5 by cable；Battery 15 and communication control unit 5 are connected by cable
Connect, wake-up switch unit 11 is connected with communication control unit 5 by cable.
The water detection unit includes base table housing unit 1, metal watch glasses 2 and tongue tube movement 4, its base table housing
Entery and delivery port, is connected by pipeline and the interface tube of user pipe, ball valve 10 is equipped with the base table housing unit respectively,
The ball valve 10 is electric ball valve.
In a specific embodiment, the base table housing unit 1 forges formula metal shell using integral type lead bronze, its
Middle copper content (57-58) %, lead content are less than 2.5%.
In a specific embodiment, the metal watch glasses 2 is using stainless steel without raised plane watch glasses.
In a specific embodiment, the tongue tube movement 4 uses high-quality double dry-reed pipe, alternate mode, its
Bistable is equivalent to, can effectively be prevented because of vibration, backwater and the measurement error that brings, while detectable external magnetic field is done
Disturb, it is consistent to ensure that mechanical part is counted with electronic section.
The embodiment of the present invention installs tongue tube and magnet additional in the water meter that ordinary turntable counts, and tongue tube is fixedly mounted on meter
Near number turntable, permanent magnet is installed on counting scale position, when turntable each rotation, when permanent magnet is through overdrying spring, the spring of tongue tube
Piece is opened and closed once, thus exports a metrical pulse；
Sending pulse signal has two tongue tubes i.e. the first tongue tube and the second tongue tube, opposite to be arranged in parallel in pulse
The both sides of the needle of water meter.First tongue tube and the second tongue tube are connected with the pulsed signal end of the microcontroller.
Tongue tube is the abbreviation of dry type tongue spring tube, is a kind of passive electronic switch element for having contact, have it is simple in structure,
Small the advantages that being easy to control, its shell are usually the glass tube of a sealing, and the elastic spring of two ironys is housed in pipe
Battery plate, is also inoculated with a kind of inert gas for being metal rhodium.Usually, the reed made of special material of two in glass tube is point
Open.When the material that is magnetic is close to glass tube, under the action of magnetic field magnetic line, two reeds in pipe are magnetized and mutual
Attract contact, reed will be pulled together, the circuit communication for being connect node.After outer magnetic force disappears, two reeds are due to this
Body elastic and separate, circuit is also just disconnected.Therefore, as it is a kind of using magnetic field signal come the circuit switche that controls,
No magnetic disconnects, and can be used for detection circuit or the state of mechanical movement.Sensor can be used as to use, for counting, spacing etc. (
It is mainly used for the making of door sensor, window magnetic in safety-protection system), while be also widely used in various communication equipments.In actual fortune
In, whether usually controlling the connection of this two sheet metals with permanent magnet, so being otherwise known as " magnetron ".
In a specific embodiment, water meter sender circle for poly- carbon material, it is firm it is pressure-resistant, transparency is high to indicator reading
Have no effect, disturbed if any external magnetic field, two tongue tubes are then attracted at the same time, and control section, which starts, closes valve program, prevents people
For stolen water.
Communication control unit includes MCU (Micro Control Unit, central processing unit), communication component, valve
Control unit and Power Management Unit etc., wherein：
In a specific embodiment, MCU uses STM32L063R8T6 microcontrollers, and STM32L0 series monolithics are one
32 low-power scms of the money based on ARM Cortex-M0+, its main Resources on Chip have low-power consumption timer, low-power consumption
Serial ports, segment liquid crystal LCD controller, nonvolatile memory EEPROM, RTC etc..
In a specific embodiment, the communication component includes NB-IoT modules and WIFI unit, using NB-IoT/
WIFI multi-mode radio communication modes, can seamless switching.Consideration based on low-power consumption is preferentially communicated using NB-IoT, in no NB-
In the case that IoT is covered, automatic WIFI communications of converting.The mode of multi-mode communication is to take into account the demand of low-power consumption, and ensures communication
Coverage rate and reliability.NB-IoT is communicated with WIFI unit using universal asynchronous serial communication bus with MCU.
In a specific embodiment, the valve control unit and microcontroller by 4 universal inputs delivery outlet GPIO
Be connected, wherein 2 universal inputs delivery outlet GPIO be used for the DC motor positive and negative rotation of valve control actuator and control, in addition 2 it is general
Input delivery outlet GPIO whether be in place used to detect the ball valve 10 of valve control actuator.The signal sent by processor realizes valve
The closing and open-minded of door.
In a specific embodiment, Power Management Unit is by central processing unit MCU, and power control loop structure
Into, in addition coordinate the power management software of company's independent research, realize battery saving mode of the water meter under different working condition, so that
Achieve the purpose that low-power consumption, energy saving.
In a specific embodiment, the display unit uses LCD liquid crystal display screen, and necessary letter is shown to user
Breath.Liquid crystal display display content：Sorry, your ticket has not enough value, closes valve, exception, accumulative unit price, remaining sum；The LCD liquid crystal display screen
Outside be equipped with watch crystal 3, the watch crystal 3 is tempered glass；LCD liquid crystal display screen is connected with MCU.
In a specific embodiment, the valve control actuator 6 is to drive gear reduction using direct current generator 21
The mode of 20 driving electric ball valves 10, direct current generator 21 is connected with gear reduction 20, and gear reduction 20 is defeated
Outlet is connected with ball valve 10；The contact coordinated with two microswitches 19, i.e. internal reduction machine are equipped with mechanical reduction gear 20
Structure two microswitches 19 of cooperation complete the detection of the opening and closing to valve.
In a specific embodiment, the battery 15 uses high power type lithium thionyl chloride cell.
In a specific embodiment, the wake-up switch unit 11 is arranged on the lateral surface of water meter the top, uses
Independent toggle switch.Do not work usually, when needing to wake up water meter, such as recharging of customer or water meter exception, as long as being dialled with hand
Dynamic switch, so that it may operated to water meter, the working status of indicating water meter；
The wake-up switch unit mainly uses two wake sources, first, using wake-up switch, leaves user for and supplements with money, tables look-up
Deng operation；Second, wake source RTC, for waking up microcontroller in some time, reports the water consumption in this cycle.Wherein using upper
The cycle is reported, by Programming into arbitrary time interval, default design report cycle is 1 day, i.e., reports a water consumption daily；
It should be supplemented with money in time when Sorry, your ticket has not enough value for liquid crystal display, can be by wake-up switch after supplementing with money if closing valve caused by arrearage
Wake up water meter, make water meter respond valve opening order, or wait 24 it is small when after water meter automated to respond to valve opening order；The wake-up switch and
Wake source RTC is connected with MCU respectively.
The integral layout of Internet of Things water meter described in the embodiment of the present invention uses fairshaped design for aesthetic, and modularization is set
Meter, reaches water meter each parts assembling, dismounting and maintenance, simple and convenient is feasible, and integral sealing is safe and reliable.
Water meter plastic casing component includes plastics upper shell 7 and plastics lower housing shell 8, plastics upper shell 7 and plastics lower housing shell 8
Use mould compressing with plastics, be designed as overall card slot fastening structure, fasten, inlay and fix up and down, interface is with close
Seal strip 9, is connected by screw 14, is arranged on the edge of each housing 14 homogeneous vertical of screw, coordinates close, Yan Sihe
Seam；The top of screw 14 is equipped with anti-decomposing lid sealing cap 13；By setting anti-decomposing lid sealing cap 13, it can effectively prevent that the Internet of Things water meter is private
From dismounting, serve and be effectively protected.
In a specific embodiment, 7 first half of plastics upper shell carries rectangle transparency display window, lower half
Mechanical gauge outfit correspondence position carries circular non-opaque display window.Rectangle, circular non-opaque display window are using different from plastics upper shell
Plastic material, be pressed together in the form of individual die on plastics upper shell, form integral structure, reach good waterproof effect
Fruit.
In a specific embodiment, water meter battery 15 is equipped with battery cover 17, which uses mould with plastics
It is compressing, the outer end of battery box is fastened on thread forms, is easily installed or takes out battery, replaces battery simple operation；
Match somebody with somebody sealant rubber ring 18 at screw thread, coordinate closely, fit together perfectly；It can effectively prevent dust and current.
In a specific embodiment, tongue tube movement line outlet is equipped with movement outlet silica gel sheath 12, and the battery goes out
Line mouth is equipped with battery outlet silica gel sheath 16, reaches the effect of waterproof.
In a specific embodiment, the wiring board encapsulating processing of water meter, becomes a separate part, is independently assemblied in
In plastic casing, possesses water-proof function.
In a specific embodiment, the independent waterproof of each parts of Internet of Things water meter, interface is done at waterproof respectively
Reason, reaches water meter integral waterproofing grade IP68.
Embodiment two
The embodiment of the present invention provides a kind of dry-reed Internet of Things water meter based on NB-IoT valve controls, and Fig. 7 is the water meter
Systematization structure chart, as shown in Figure 7：Including communication control unit, water detection unit, display unit and wake-up switch unit；
The communication control unit includes central processing unit and connected power control loop, Valve controlling list
Member and communication component；The communication component includes NB-IoT modules and WIFI unit, the NB-IoT modules and WIFI unit point
Do not communicated to connect by universal asynchronous serial communication bus and the central processing unit, the communication control unit is preferentially selected
NB-IoT modules communicate, and in the case where no NB-IoT is covered, the automatic WIFI that converts communicates；
The water detection unit includes base table housing unit and tongue tube movement unit, the base table housing unit be into
Water pipe is connected pipeline with outlet pipe；The tongue tube movement unit is connected with the central processing unit, the central processing
Unit receives the pulse value that the tongue tube movement unit real time measure obtains；
The display unit is connected with the central processing unit, the working status of the display unit Dynamic Announce water meter
Information；
The wake-up switch unit is connected with the central processing unit, by the wake-up switch unit manually wake up or
Timing wake-up water meter state.
In one specifically embodiment, the tongue tube movement unit includes tongue tube, permanent magnet and mechanical movement,
The tongue tube is fixed on water meter and counts turntable avris, and the permanent magnet is fixed on water meter and counts on turntable, when described count turns
Disk circles, and the permanent magnet passes through the position of the tongue tube so that the reed opening and closing of the tongue tube once, thus obtains
One pulse value；Mechanical movement is fixed on the lower part that water meter counts turntable.
In one specifically embodiment, the power control loop connects a power supply, which is lithium-thionyl chloride
Battery.
In one specifically embodiment, the base table housing unit is by filter screen, tube body, ball valve and attachment device group
Into the valve control unit connects a valve control actuator, and the valve control actuator includes direct current generator, mechanical reduction gear
With two microswitches, the direct current generator connects the mechanical reduction gear, the output terminal of the mechanical reduction gear and institute
Ball valve connection is stated, is equipped with the contact coordinated with described two microswitches in the mechanical reduction gear, the deceleration device is matched somebody with somebody
Close the closure of two jogging switches measurement ball valves.
In one specifically embodiment, the wake-up switch unit includes manual toggle switch and real time clock unit,
The manual toggle switch is arranged on the upper side of the dry-reed Internet of Things water meter, and the real time clock unit is used to preset
Some time wakes up water meter, and presets the water consumption in some time report cycle.
In one specifically embodiment, the valve control unit is general defeated by 4 with the central processing unit
Enter delivery outlet connection, wherein 2 universal inputs delivery outlet be used for the rotating of the direct current generator and control, in addition 2 it is general
Input delivery outlet be used for whether in place to detect the ball valve actuator, the signal sent by processor realizes the closing of valve
With it is open-minded；
The central processing unit is STM32L063R8T6 microcontrollers.
In one specifically embodiment, the water meter described in the present embodiment further includes water meter plastics upper shell and water meter plastics
Lower housing shell, the water meter plastics upper shell are first snapped connection with the water meter plastics lower housing shell, then by screw by water meter
Plastics upper shell and water meter plastics lower housing shell connect into an entirety, and interface sets sealing joint strip, is equipped with above the screw
Anti-decomposing lid sealing cap.
Those skilled in the art will be understood that it is above-mentioned it is lifted according to user information determine regulative strategy only preferably say
The technical solution of the bright embodiment of the present invention, rather than the restriction made to the embodiment of the present invention.It is any to be determined according to user property
The method of regulative strategy, is all contained in the range of the embodiment of the present invention.
In conclusion the present invention possesses Valve controlling function, user's water meter can be controlled with regimen condition, save people
Power, material resources and financial resources, improve productivity effect.Meanwhile the wide area low-power consumption NB-IoT technologies dominated using operator, possess and extensively cover
Lid, capacity is big, the high advantage of reliability, the water utilities terminal connection being particularly suitable in city scope.Following obvious warp can be brought
Ji value：Network oneself is safeguarded without water utilities company, saves network operation expense；Automatic data logging is carried out, saves labour cost；It is excellent
Change table business management, propose that the water meter of science replaces suggestion, in time investigation water meter failure；Optimize water supply network and visit leakage, reduce and steal water
Phenomenon, directly lifts business revenue profit.Really realize intelligent meter data recording management, the industry for bringing substance to intellectual water meter industry pushes away
Into.
One of ordinary skill in the art will appreciate that：Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
Realized by the mode of software plus required general hardware platform.Based on such understanding, technical scheme essence
On the part that contributes in other words to the prior art can be embodied in the form of software product, the computer software product
It can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used so that a computer equipment
(can be personal computer, server, either network equipment etc.) performs some of each embodiment of the present invention or embodiment
Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Especially for device or
For system embodiment, since it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method
The part explanation of embodiment.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates may or may not be it is physically separate, can be as the component that unit is shown or
Person may not be physical location, you can with positioned at a place, or can also be distributed in multiple network unit.Can root
Factually border needs to select some or all of module therein realize the purpose of this embodiment scheme.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (7)
1. a kind of dry-reed Internet of Things water meter based on NB-IoT valve controls, it is characterised in that including communication control unit, water
Detection unit, display unit and wake-up switch unit；
The communication control unit include central processing unit and connected power control loop, valve control unit and
Communication component；The communication component includes NB-IoT modules and WIFI unit, and the NB-IoT modules and WIFI unit are led to respectively
Cross universal asynchronous serial communication bus to communicate to connect with the central processing unit, the communication control unit preferentially selects NB-
IoT modules communicate, and in the case where no NB-IoT is covered, the automatic WIFI that converts communicates；
The water detection unit includes base table housing unit and tongue tube movement unit, and the base table housing unit is water inlet pipe
It is connected pipeline with outlet pipe；The tongue tube movement unit is connected with the central processing unit, the central processing unit
Receive the pulse value that the tongue tube movement unit real time measure obtains；
The display unit is connected with the central processing unit, the working status letter of the display unit Dynamic Announce water meter
Breath；
The wake-up switch unit is connected with the central processing unit, passes through wake-up switch unit wake-up or timing manually
Wake up water meter state.
2. dry-reed Internet of Things water meter according to claim 1, it is characterised in that
The tongue tube movement unit includes tongue tube, permanent magnet and mechanical movement, and the tongue tube, which is fixed on water meter and counts, to be turned
Disk avris, the permanent magnet are fixed on water meter and count on turntable, when the counting turntable circles, described in the permanent magnet passes through
The position of tongue tube so that the reed opening and closing of the tongue tube once, thus obtains a pulse value, the mechanical movement is fixed
The lower part of turntable is counted in water meter.
3. dry-reed Internet of Things water meter according to claim 1, it is characterised in that the power control loop connection one
A power supply, the power supply are lithium thionyl chloride cell.
4. dry-reed Internet of Things water meter according to claim 1, it is characterised in that the base table housing unit is by filtering
Net, tube body, ball valve and attachment device composition, the valve control unit connect a valve control actuator, the valve control actuator
Including direct current generator, mechanical reduction gear and two microswitches, the direct current generator connects the mechanical reduction gear, described
The output terminal of mechanical reduction gear is connected with the ball valve, is equipped with the mechanical reduction gear and is matched somebody with somebody with described two microswitches
The contact of conjunction, the deceleration device coordinate the closure of two jogging switches measurement ball valves.
5. dry-reed Internet of Things water meter according to claim 1, it is characterised in that the wake-up switch unit includes hand
Dynamic toggle switch and real time clock unit, the manual toggle switch are arranged on the upside of the dry-reed Internet of Things water meter
Face, the real time clock unit is used to preset some time wake-up water meter, and presets in some time report cycle and use water
Amount.
6. dry-reed Internet of Things water meter according to claim 1, it is characterised in that
The valve control unit and the central processing unit by 4 universal inputs delivery outlet be connected, wherein 2 are general
Input delivery outlet be used for the rotating of the direct current generator and control, in addition 2 universal inputs delivery outlet be used to detect the ball
In place whether, the signal sent by processor realizes the closing of valve and open-minded to valve actuator；
The central processing unit is STM32L063R8T6 microcontrollers.
7. dry-reed Internet of Things water meter according to claim 1, it is characterised in that
The dry-reed Internet of Things water meter further includes water meter plastics upper shell and water meter plastics lower housing shell, on the water meter plastics
Housing is first snapped connection with the water meter plastics lower housing shell, then by screw by the water meter plastics upper shell and the water
Table plastics lower housing shell connects into an entirety, and interface sets sealing joint strip, anti-decomposing lid sealing cap is equipped with above the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019053.6A CN108020273A (en) | 2018-01-09 | 2018-01-09 | A kind of dry-reed Internet of Things water meter based on NB-IoT valve controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019053.6A CN108020273A (en) | 2018-01-09 | 2018-01-09 | A kind of dry-reed Internet of Things water meter based on NB-IoT valve controls |
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| CN108020273A true CN108020273A (en) | 2018-05-11 |
Family
ID=62072693
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810019053.6A Pending CN108020273A (en) | 2018-01-09 | 2018-01-09 | A kind of dry-reed Internet of Things water meter based on NB-IoT valve controls |
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| CN109141566A (en) * | 2018-08-15 | 2019-01-04 | 安徽宏远仪表有限公司 | A method of using the reporting of manual intervention, control |
| CN110657851A (en) * | 2019-10-10 | 2020-01-07 | 四川朵唯物联技术有限公司 | Awakening device of intelligent water meter, intelligent water meter and data processing method of intelligent water meter |
| EP3591269A1 (en) * | 2018-07-05 | 2020-01-08 | Kamstrup A/S | Integrated flow meter and control valve |
| CN111637945A (en) * | 2020-04-21 | 2020-09-08 | 安徽丹凤缘科技有限公司 | Reed pipe type Internet of things water meter based on NB-IoT valve control |
| CN111854873A (en) * | 2020-07-28 | 2020-10-30 | 淄博贝林电子有限公司 | Novel NB-IOT waterproof thing networking water gauge |
| CN113516839A (en) * | 2021-05-18 | 2021-10-19 | 廊坊新奥智能科技有限公司 | Communication complementary type gas meter based on OneNET cloud platform |
| CN116337169A (en) * | 2023-03-14 | 2023-06-27 | 宁夏隆基宁光仪表股份有限公司 | IP68 waterproof NB-IoT intelligent water meter |
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| CN116337169A (en) * | 2023-03-14 | 2023-06-27 | 宁夏隆基宁光仪表股份有限公司 | IP68 waterproof NB-IoT intelligent water meter |
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