CN109375552A - Remote monitoring system based on matrix form NB-IoT intellectual water meter - Google Patents
Remote monitoring system based on matrix form NB-IoT intellectual water meter Download PDFInfo
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- CN109375552A CN109375552A CN201811442200.7A CN201811442200A CN109375552A CN 109375552 A CN109375552 A CN 109375552A CN 201811442200 A CN201811442200 A CN 201811442200A CN 109375552 A CN109375552 A CN 109375552A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Automation & Control Theory (AREA)
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Abstract
The present invention relates to a kind of remote monitoring systems based on matrix form NB-IoT intellectual water meter, including matrix form NB-IoT intellectual water meter, NB-IoT Internet of Things and cloud platform, matrix form NB-IoT intellectual water meter includes controller, multiple base tables and its flow sensor being mounted on each base table, and the flow sensor on each base table is connected with controller；Multiple matrix form NB-IoT intellectual water meters, which pass through NB-IoT Internet of Things and are connected with cloud platform, realizes remote monitoring function.The present invention using main control module can carry muti-piece essentic-water-meter matrix form NB-IoT intellectual water meter and cloud platform carry out data transmission function, electromechanical transformation and data acquiring and recording function are carried out by the multiple base tables of a main control module, and data interaction is carried out with cloud platform, material cost can greatly be reduced, and the service performance of water meter will not be reduced, and due to the improvement cost low in cost that replacement NB-IoT remote transmission intelligent water meter can be greatly reduced.
Description
Technical field
The invention belongs to intellectual water meter technical field, especially a kind of long-range prison based on matrix form NB-IoT intellectual water meter
Control system.
Background technique
With the popularization and application of the NB-IoT communication technology, the intellectual water meter remote monitoring system based on the NB-IoT communication technology
It comes into being.NB-IoT intellectual water meter in above-mentioned remote monitoring system is NB-IoT remote transmission intelligent stand alone type water meter, is led to
Often connected and composed by intelligent control module one piece of base table of collocation.It has the advantage that (1) NB-IoT remote transmission intelligent stand alone type water
Table reaches low-power consumption, strong link, high covering, high accurate wireless data transmission function using NB-IoT mechanics of communication, compares
GPRS water meter has the characteristics that low-power consumption, service life are long；(2) intelligence control module is responsible for the electromechanical transformation and acquisition water information of base table,
It is realized in the form of NB-IoT and is interacted with cloud platform data, human-computer interaction function is realized by key or card form, from
And realize user's water information collection, table end data copy and accept, the functions such as the control of water meter and subscriber payment.
Although NB-IoT remote transmission intelligent stand alone type water meter have the advantages that it is above, existing NB-IoT intellectual water meter is general
Store-through is in following some problems: (1) since NB-IoT remote transmission intelligent stand alone type water meter requires collocation intelligent control module and base
Table, therefore water meter is with high costs；(2) since NB-IoT remote transmission intelligent stand alone type every piece of table of water meter requires the communication expense of NB-IoT
With, therefore post and telecommunication tariff is high；(3) service life of NB-IoT remote transmission intelligent stand alone type water meter lithium battery generally 6 years to 8 years it
Between, lithium battery service life is relatively short；(4) since NB-IoT remote transmission intelligent stand alone type water meter is by an intelligent control module
It arranges in pairs or groups one piece of base table composition, therefore failure amount is high, while to be sealed in base table shell intracorporal for intelligent control module, once there is intelligent control
Module failure or base table failure processed then needs to replace together, causes maintenance cost height in this way.
In conclusion equipment cost existing for existing NB-IoT intellectual water meter, operating cost, maintenance cost and battery longevity
The problems such as life, the remote monitoring system based on above-mentioned NB-IoT intellectual water meter are also difficult to be promoted and applied on a large scale.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is stable, low in cost and be easy to propose that one kind sets performance
The remote monitoring system based on matrix form NB-IoT intellectual water meter of maintenance.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of remote monitoring system based on matrix form NB-IoT intellectual water meter, including matrix form NB-IoT intellectual water meter,
NB-IoT Internet of Things and cloud platform, the matrix form NB-IoT intellectual water meter include controller, multiple base tables and its are mounted on every
Flow sensor on a base table, the flow sensor on each base table are connected with controller；Multiple matrix form NB-IoT intelligence
Can water meter pass through NB-IoT Internet of Things and be connected with cloud platform and realize remote monitoring function.
The controller include main control module, flow collection module, NB-IoT communication module, power management module, in real time
Clock module；The flow collection module is connected with the flow sensor on each base table, and the main control module passes through flow
Sensor acquires the flow information of each base table；The main control module realizes data remote function by NB-IoT communication module；
The main control module control power management module is the power supply of NB-IoT communication module, and the main control module passes through real-time clock module
Realize real-time clock function.
The main control module is also connected with human-computer interaction module and realizes human-computer interaction function.
The main control module is also connected with display module and realizes information display function.
The main control module is also connected with the access facility that memory module realizes data.
The flow sensor, which uses tongue tube and is mounted on base table, carries out flow detection.
The power management module includes lithium battery and booster circuit, which uses FP6717 chip.
The main control module uses PIC16LF1947 chip, and the NB-IoT communication module uses BC95_B5 module, institute
Real-time clock module is stated using PCF8563 chip.
The advantages and positive effects of the present invention are:
1, this remote monitoring system using main control module can carry muti-piece essentic-water-meter matrix form NB-IoT intelligence
Water meter and cloud platform carry out data transmission function, carry out electromechanical transformation by the multiple base tables of a main control module and data acquire
Writing function, and data interaction is carried out with cloud platform, material cost can be greatly reduced, and the use of water meter will not be reduced
Performance, and due to the improvement cost low in cost that replacement NB-IoT remote transmission intelligent water meter can be greatly reduced.
2, this remote monitoring system is by the more carry essentic-water-meters of a main control module, NB-IoT post and telecommunication tariff shared equally to
In multiple base tables, therefore, the present invention has significant advantage than NB-IoT remote transmission intelligent stand alone type water meter on post and telecommunication tariff.
4, this remote monitoring system reduces several intelligent control moulds compared with NB-IoT remote transmission intelligent stand alone type water meter
Block, therefore out of order intelligent control module quantity in operation is reduced, while reducing maintenance, and due to being water meter base
Table and intelligence control module are split type, so can directly replace base table when essentic-water-meter failure, and to intelligent control module
A small amount of setting is carried out to complete maintenance operation；When intelligence control module is out of order, then directly replaces intelligence control module and do not have to more
Base table is changed, this is greatly reduced maintenance cost.
5, this remote monitoring system therefore can be with equipped capacitor more using the form of one piece of lithium battery using multiple base tables
The lithium battery of big ER34615, this can achieve lithium battery service life of the invention 10 years or more.
6, this remote monitoring system can be applied to the water meter scene installed concentratedly, since the residential building overwhelming majority all has pipe
Well, water meter all concentrates on installation in pipe well, therefore this scene will be highly suitable for installation and application of the invention.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of this system；
Fig. 2 is the integrated circuit block diagram of controller；
Fig. 3 is the circuit diagram of main control module；
Fig. 4 is the circuit diagram of NB-IoT communication module；
Fig. 5 is the circuit diagram of power management module；
Fig. 6 is the circuit diagram of clock module.
Specific embodiment
The embodiment of the present invention is further described below in conjunction with attached drawing.
A kind of remote monitoring system based on matrix form NB-IoT intellectual water meter, as shown in Figure 1, including matrix form NB-IoT
Intellectual water meter, NB-IoT Internet of Things and cloud platform, the matrix form NB-IoT intellectual water meter include controller, multiple base tables and its
The flow sensor being mounted on each base table, the flow sensor on each base table are connected with controller.Multiple matrix forms
NB-IoT intellectual water meter, which passes through NB-IoT Internet of Things and is connected with cloud platform, realizes remote monitoring function.
Controller as shown in Figure 2 include main control module, flow collection module, NB-IoT communication module, power management module,
Real-time clock module, LCD MODULE, human-computer interaction module and memory module；The main control module and flow collection module,
NB-IoT communication module, power management module, real-time clock module, LCD MODULE, human-computer interaction module and memory module
It is connected.The various pieces in controller are illustrated respectively below:
As shown in figure 3, main control module uses the PIC16LF1947 of U.S. MICROCHIP as main control chip, realize entire
The monitoring and control function of the remote monitoring system of matrix form NB-IoT intellectual water meter.It is realized same by flow collection module
When the work of electromechanical transformation and acquisition and record is carried out to the flows of multiple essentic-water-meters, main control chip controls power management mould
The interaction with cloud platform data is realized in the output on-off of block and the communication with NB-IoT communication module, and main control chip passes through real-time
Clock module (PCF8563 chip) realizes real-time clock function, and according to clock timing and cloud platform interaction data, master control core
Piece realizes human-computer interaction function by the detection to human-computer interaction module (key circuit), and flat with cloud in real time after effective key
Platform interaction data.Main control module carries out information display function by display module.Main control module carries out data by memory module
Access facility.
As shown in figure 4, NB-IoT communication module realizes the transmission of Internet of Things, root using the BC95_B5 module of Yi Yuan company
Circuit form is designed according to the design specification that Yi Yuan company provides, base station can connect by BC95_B5 module, realize matrix form
NB-IoT remote transmission intelligent water meter passes through the data communication of Internet of Things and cloud platform.
As shown in figure 5, power management module uses lithium battery power supply and by booster circuit for the confession of NB-IoT communication module
Electricity, the booster circuit use FP6717 chip and under the control of main control module for the power supply of NB-IoT communication module.It passes through VI
The LC oscillating circuit that pin and LX pin build periphery realizes the operation of boost in voltage, and is selected by the outer of FB pin for resistance
The output voltage of FP6717 is made, the input voltage of chip is that 3.6V output voltage is 4.2V while can provide the high current of 3A
Output is realized boost in voltage and large driven current density function, the power supply of BC95_B5 module is ensured with this.
As shown in fig. 6, the real-time clock module carries out the communication of NB-IoT for timing with cloud platform, which is used
Real-time clock PCF8563, base when being used as by the concussion of external crystal-controlled oscillation 32.768K add upper in SCL pin and SDA pin
Pull-up resistor improves driving capability and anti-interference ability, and is communicated by the two pins with main control chip.
Flow collection module: tongue tube is installed on every piece of base table for measuring to the flow of every piece of base table, flows
It measures acquisition module to detect by the on-off to tongue tube on base table, to realize detection regimen condition, flow collection module is by every piece
The flow information of base table is transmitted to main control module.
LCD MODULE and memory module use conventional module to be respectively used to, and information is shown and data store.
The course of work of a matrix form NB-IoT intellectual water meter in this monitoring system are as follows:
(1) the main control chip PIC16LF1947 in controller is according to program setting, and realization every three seconds to hung multiple base tables
Detection flows sampling situations, if it is detected that having the generation of dosage then will record in the memory of main control module, when the use of acquisition
The accumulative cloud platform that can be transferred to by NB-IoT when obtaining to certain value of amount realizes real time monitoring, and cloud platform can be according to biography
The table information returned will be transmitted to main control module under the newest operational order of corresponding table.
(2) the networking process of BC95-B5 module is first to be powered to module, and operation module finds base after level equalization
It stands, applies for the network service of NB-IoT after the success of connection base station, connect specified platform address, pass through Internet of Things after the completion of connection
Carry out the interaction of data of water meter.
(3) it is that high level realizes BC95-B5 module that main control chip, which operates the EN pin of FP6717 chip when needing to network,
Power supply then sets low level for EN key when not needing networking, breaks the power supply of BC95-B5 module, and will
FP6717 operation is power-down mode, reduces whole power consumption.
(4) accuracy that may insure clock in this way is calibrated by Internet of Things for chip P8563 clock chip.Master control mould
Block can be timed the data communication that NB_IoT is carried out with cloud platform according to clock.
(5) when main control module and cloud platform data interaction, main control module is after uploading cloud platform data, cloud platform
The information such as table number, the water of different tables can be carried out to main control module to be configured.
It (6), all can be when main control module after with cloud platform data interaction or after main control module detects efficient use of water
The relevant information of corresponding base table is shown on liquid crystal.
(7) when user passes through button operation matrix form NB-IoT remote transmission intelligent water meter, main control module can detect its operation
Validity, if in effective situation can real-time perfoming and cloud platform data interworking.
(8) service condition of main control module meeting real-time detection lithium battery, and the actual battery electricity of cloud platform can be reported to
Pressure value, when main control module determines that electric quantity of lithium battery reaches early warning value, meeting active reporting lithium battery low pressure information notifies flat to cloud
Platform, in order to the replacement of lithium battery, it is ensured that the normal work of matrix form NB-IoT remote transmission intelligent water meter.
Other matrix forms NB-IoT intellectual water meter course of work in system is identical as above description, in cloud platform and networking
All matrix form NB-IoT intellectual water meters communicated, realize to the monitoring functions of all matrix form NB-IoT intellectual water meters.
The present invention does not address place and is suitable for the prior art.
It is emphasized that embodiment of the present invention be it is illustrative, without being restrictive, therefore packet of the present invention
Include and be not limited to embodiment described in specific embodiment, it is all by those skilled in the art according to the technique and scheme of the present invention
The other embodiments obtained, also belong to the scope of protection of the invention.
Claims (8)
1. a kind of remote monitoring system based on matrix form NB-IoT intellectual water meter, it is characterised in that: including matrix form NB-IoT
Intellectual water meter, NB-IoT Internet of Things and cloud platform, the matrix form NB-IoT intellectual water meter include controller, multiple base tables and its
The flow sensor being mounted on each base table, the flow sensor on each base table are connected with controller；Multiple matrix forms
NB-IoT intellectual water meter, which passes through NB-IoT Internet of Things and is connected with cloud platform, realizes remote monitoring function.
2. the remote monitoring system according to claim 1 based on matrix form NB-IoT intellectual water meter, it is characterised in that: described
Controller includes main control module, flow collection module, NB-IoT communication module, power management module, real-time clock module；It is described
Flow collection module is connected with the flow sensor on each base table, and the main control module is acquired each by flow sensor
The flow information of base table；The main control module realizes data remote function by NB-IoT communication module；The main control module control
Power management module processed is the power supply of NB-IoT communication module, and the main control module realizes real-time clock function by real-time clock module
Energy.
3. the remote monitoring system according to claim 2 based on matrix form NB-IoT intellectual water meter, it is characterised in that: described
Main control module is also connected with human-computer interaction module and realizes human-computer interaction function.
4. the remote monitoring system according to claim 2 based on matrix form NB-IoT intellectual water meter, it is characterised in that: described
Main control module is also connected with display module and realizes information display function.
5. the remote monitoring system according to claim 2 based on matrix form NB-IoT intellectual water meter, it is characterised in that: described
Main control module is also connected with the access facility that memory module realizes data.
6. the remote monitoring system based on matrix form NB-IoT intellectual water meter according to any one of claim 2 to 5, feature
Be: the flow sensor, which uses tongue tube and is mounted on base table, carries out flow detection.
7. the remote monitoring system based on matrix form NB-IoT intellectual water meter according to claim 2 to 5, it is characterised in that:
The power management module includes lithium battery and booster circuit, which uses FP6717 chip.
8. the remote monitoring system based on matrix form NB-IoT intellectual water meter according to any one of claim 2 to 5, feature
Be: the main control module uses PIC16LF1947 chip, and the NB-IoT communication module uses BC95_B5 module, the reality
When clock module use PCF8563 chip.
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| CN201811442200.7A CN109375552A (en) | 2018-11-29 | 2018-11-29 | Remote monitoring system based on matrix form NB-IoT intellectual water meter |
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| CN201811442200.7A CN109375552A (en) | 2018-11-29 | 2018-11-29 | Remote monitoring system based on matrix form NB-IoT intellectual water meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110286267A (en) * | 2019-08-14 | 2019-09-27 | 京源中科科技股份有限公司 | A kind of Internet of Things water meter and wisdom water utilities system |
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