CN208968610U - Matrix form NB-IoT remote transmission intelligent water meter - Google Patents
Matrix form NB-IoT remote transmission intelligent water meter Download PDFInfo
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- CN208968610U CN208968610U CN201821992193.3U CN201821992193U CN208968610U CN 208968610 U CN208968610 U CN 208968610U CN 201821992193 U CN201821992193 U CN 201821992193U CN 208968610 U CN208968610 U CN 208968610U
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Abstract
The utility model relates to a kind of matrix form NB-IoT remote transmission intelligent water meters, it is mainly characterized by: including a controller, multiple base tables and the flow sensor being mounted on each base table, controller includes main control chip, flow collection module, NB-IoT communication module, power management module, real-time clock module；Flow collection module is connected with the flow sensor on each base table, and main control chip acquires the flow information of each base table by flow sensor；Main control chip realizes data remote function by NB-IoT communication module；The main control chip control power management module is the power supply of NB-IoT communication module, and the main control chip realizes real-time clock function by real-time clock module.The utility model uses the structure of a main control chip carry muti-piece essentic-water-meter, it realizes and electromechanical transformation and data acquiring and recording function is carried out to multiple base tables simultaneously, material cost can be greatly reduced, the service performance of water meter will not be reduced, can be widely used for water meter improvement project.
Description
Technical field
The utility model belongs to intellectual water meter technical field, especially a kind of matrix form NB-IoT remote transmission intelligent water meter.
Background technique
With the popularization and application of the NB-IoT communication technology, come into being using the intellectual water meter of the NB-IoT communication technology.It is existing
Some NB-IoT intellectual water meters are NB-IoT remote transmission intelligent stand alone type water meter, usually by intelligent control module one piece of base of collocation
Table connects and composes.It has the advantage that (1) NB-IoT remote transmission intelligent stand alone type water meter is reached using NB-IoT mechanics of communication
Low-power consumption, strong link, high covering, high accurate wireless data transmission function, the spy for having low-power consumption, service life long compared to GPRS water meter
Point；(2) intelligence control module is responsible for the electromechanical transformation and acquisition water information of base table, is realized in the form of NB-IoT and cloud platform number
According to interaction, human-computer interaction function is realized by key or card form, to realize user's water information collection, table end data
It copies and accepts, 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, NB-IoT remote transmission intelligent stand alone type water meter are also difficult to be promoted and applied on a large scale.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, propose one kind set performance it is stable, it is low in cost and
Matrix form NB-IoT remote transmission intelligent water meter easy to maintain.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of matrix form NB-IoT remote transmission intelligent water meter, including a controller, multiple base tables and it is mounted on each base table
On flow sensor, the controller includes main control chip, flow collection module, NB-IoT communication module, power management mould
Block, real-time clock module；The flow collection module is connected with the flow sensor on each base table, and the main control chip is logical
Overcurrent quantity sensor acquires the flow information of each base table；The main control chip realizes data remote by NB-IoT communication module
Function；The main control chip control power management module is the power supply of NB-IoT communication module, when the main control chip passes through real-time
Clock module realizes real-time clock function.
The main control chip is also connected with human-computer interaction module and realizes human-computer interaction function.
The main control chip is also connected with display module and realizes information display function.
The main control chip 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 chip 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 utility model are as follows:
1, the utility model uses the structure of a main control chip carry muti-piece essentic-water-meter, realizes simultaneously to multiple base tables
Electromechanical transformation and data acquiring and recording function are carried out, and realizes data upload function.
2, the utility model can greatly reduce material cost, by intelligence compared with NB-IoT remote transmission intelligent stand alone type water meter
Control and gone in the cost sharing to multiple water meters of module, and the service performance of water meter will not be reduced, and due to it is low in cost can
The improvement cost of replacement NB-IoT remote transmission intelligent water meter can be greatly reduced.
3, the utility model is shared equally by the more carry essentic-water-meters of a main control chip, NB-IoT post and telecommunication tariff to multiple
In base table, therefore, the utility model has significant advantage than NB-IoT remote transmission intelligent stand alone type water meter on post and telecommunication tariff.
4, the utility model reduces several intelligent control modules compared with NB-IoT remote transmission intelligent stand alone type water meter, because
This reduces out of order intelligent control module quantity in operation, while reducing maintenance, and due to be essentic-water-meter and
Intelligence control module is split type, so can directly replace base table when essentic-water-meter failure, and is carried out to intelligent control module
A small amount of setting is to complete maintenance operation；When intelligence control module is out of order, then directly replaces intelligence control module and do not have to replacement base
Table, this is greatly reduced maintenance cost.
5, the utility model therefore can be bigger with equipped capacitor using the form of one piece of lithium battery using multiple base tables
The lithium battery of ER34615, this can achieve the lithium battery service life of the utility model 10 years or more.
6, the utility model 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 the installation and application of the utility model.
Detailed description of the invention
Fig. 1 is the controller circuitry block diagram of the utility model；
Fig. 2 is the circuit diagram of main control chip；
Fig. 3 is the circuit diagram of NB-IoT communication module；
Fig. 4 is the circuit diagram of power management module；
Fig. 5 is the circuit diagram of clock module.
Specific embodiment
The utility model embodiment is further described below in conjunction with attached drawing.
A kind of matrix form NB-IoT remote transmission intelligent water meter, as shown in Figure 1, including a controller, multiple base tables and installation
Flow sensor (the present embodiment uses tongue tube) on each base table, the controller includes main control chip, flow collection
Module, NB-IoT communication module, power management module, real-time clock module, LCD MODULE, human-computer interaction module and storage
Module；The main control chip and flow collection module, NB-IoT communication module, power management module, real-time clock module, liquid crystal
Display module, human-computer interaction module are connected with memory module.The various pieces in controller are illustrated respectively below:
As shown in Fig. 2, main control chip uses the PIC16LF1947 of U.S. MICROCHIP as main control chip, realize entire
The monitoring and control function of matrix form NB-IoT remote transmission intelligent water meter.It is realized simultaneously by flow collection module to multiple water
The flow of table base table carries out the work of electromechanical transformation and acquisition and record, and the output that main control chip controls power management module is logical
The interaction with cloud platform data is realized in the disconnected and 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, and main control chip passes through pair
Human-computer interaction function is realized in the detection of human-computer interaction module (key circuit), and interacts number with cloud platform in real time after effective key
According to.Main control chip carries out information display function by display module.Main control chip carries out the access function of data by memory module
Energy.
As shown in figure 3, 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 4, 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 chip 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 figure 5, 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: flow collection module is detected by the on-off to tongue tube on base table, to realize detection water
The flow information of every piece of base table is transmitted to main control chip by situation, flow collection module.
LCD MODULE and memory module use conventional module to be respectively used to, and information is shown and data store.
The working process of the utility model is as follows:
(1) main control chip PIC16LF1947 is realized every three seconds and is adopted to hung multiple base table detection flows according to program setting
Sample situation arrives if it is detected that having the generation of dosage then will record in the memory of main control chip when the dosage of acquisition is accumulative
Certain value can be transferred to cloud platform by NB-IoT and realize real time monitoring when obtaining, and cloud platform can be according to the table information passed back
Main control chip will be transmitted 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 core
Piece can be timed the data communication that NB_IoT is carried out with cloud platform according to clock.
(5) when main control chip and cloud platform data interaction, main control chip 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 chip to be configured.
It (6), all can be when main control chip after with cloud platform data interaction or after main control chip 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 chip can detect its operation
Validity, if in effective situation can real-time perfoming and cloud platform data interworking.
(8) service condition of main control chip meeting real-time detection lithium battery, and the actual battery electricity of cloud platform can be reported to
Pressure value, when main control chip 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.
The utility model does not address place and is suitable for the prior art.
It is emphasized that embodiment described in the utility model be it is illustrative, without being restrictive, therefore this reality
It is all practical new according to this by those skilled in the art with novel including being not limited to embodiment described in specific embodiment
The other embodiments that the technical solution of type obtains also belong to the range of the utility model protection.
Claims (7)
1. a kind of matrix form NB-IoT remote transmission intelligent water meter, it is characterised in that: including a controller, multiple base tables and be mounted on
Flow sensor on each base table, the controller include main control chip, flow collection module, NB-IoT communication module, electricity
Source control module, real-time clock module；The flow collection module is connected with the flow sensor on each base table, the master
Control chip acquires the flow information of each base table by flow sensor；The main control chip is realized by NB-IoT communication module
Data remote function；The main control chip control power management module is the power supply of NB-IoT communication module, and the main control chip is logical
It crosses real-time clock module and realizes real-time clock function.
2. matrix form NB-IoT remote transmission intelligent water meter according to claim 1, it is characterised in that: the main control chip is also connected with
There is human-computer interaction module to realize human-computer interaction function.
3. matrix form NB-IoT remote transmission intelligent water meter according to claim 1, it is characterised in that: the main control chip is also connected with
There is display module to realize information display function.
4. matrix form NB-IoT remote transmission intelligent water meter according to claim 1, it is characterised in that: the main control chip is also connected with
There is memory module to realize the access facility of data.
5. according to claim 1 to any one of 4 matrix form NB-IoT remote transmission intelligent water meters, it is characterised in that: the flow
Sensor, which uses tongue tube and is mounted on base table, carries out flow detection.
6. according to claim 1 to any one of 4 matrix form NB-IoT remote transmission intelligent water meters, it is characterised in that: the power supply
Management module includes lithium battery and booster circuit, which uses FP6717 chip.
7. according to claim 1 to any one of 4 matrix form NB-IoT remote transmission intelligent water meters, it is characterised in that: the master control
Chip uses PIC16LF1947 chip, and the NB-IoT communication module uses BC95_B5 module, and the real-time clock module is adopted
With PCF8563 chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821992193.3U CN208968610U (en) | 2018-11-29 | 2018-11-29 | Matrix form NB-IoT remote transmission intelligent water meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821992193.3U CN208968610U (en) | 2018-11-29 | 2018-11-29 | Matrix form NB-IoT remote transmission intelligent water meter |
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| CN208968610U true CN208968610U (en) | 2019-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374075A (en) * | 2018-11-29 | 2019-02-22 | 天津赛恩能源技术股份有限公司 | Matrix form NB-IoT remote transmission intelligent water meter |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374075A (en) * | 2018-11-29 | 2019-02-22 | 天津赛恩能源技术股份有限公司 | Matrix form NB-IoT remote transmission intelligent water meter |
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