CN109816963A - A kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication - Google Patents
A kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication Download PDFInfo
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Abstract
The present invention provides a kind of gas meter, flow meter communication devices based on Internet of Things mechanics of communication, including gas meter, flow meter, NB-IOT communication module, IC card module, elapsed time clock module, accounting module, price adjustment module, data memory module, control module and power supply module, the present invention carries out data wireless transmission by NB-IOT communication module, gas company is facilitated remotely to carry out meter reading, charging and fee-deducting etc. to gas meter, flow meter, it can guarantee that expense is accurate simultaneously, avoid gas meter, flow meter during use, the charging error and user's malice hoarding behavior that price fluctuation is brought.
Description
Technical field
The present invention relates to gas meter, flow meter technical fields more particularly to a kind of gas meter, flow meter based on Internet of Things mechanics of communication to communicate dress
It sets.
Background technique
With the high speed development of Internet of Things, it is based on cellular narrowband Internet of Things (Narrow Band Internet of
Things, NB-IoT) become all things on earth internet an important branch, NB-IoT is the emerging technology in one, the field IoT, branch
The cellular data that low power consuming devices are held in wide area network connects, also referred to as low-power consumption wide area network (LPWAN).NB-IoT supports standby
Time length, the efficient connection to network connectivity requirements higher device, with covering is wide, connection is more, rate is low, at low cost, power consumption
The low, features such as framework is excellent.
Existing gas meter, flow meter is managed in order to facilitate gas company, avoids meter reading of registering one's residence, and is generally provided with radio remote
Transmission module uploads the data information of gas meter, flow meter, such as gsm module or wireless WIFI etc., generally have in transmission process away from
From limitation, laser propagation effect is not satisfactory.
And with the development of society, the use demand of combustion gas is also increasing, in response to National Development and Reform Committee to energy valence
The unified plan of lattice, the price of combustion gas need to carry out stepped charging, and existing gas meter, flow meter lacks the function of staged charging,
When price plan adjusts, the price plan of unification of the motherland can not be timely obtained, is easy to produce meter in use
The inconsistent situation of valence causes valuation that error occurs, it has not been convenient to the management of gas company, while when country carries out gas price
Before adjustment, user can may also maliciously hoard, once price adjustment, gas meter, flow meter cannot timely update price plan, it will give
Bring loss in gas company.
Summary of the invention
The technical problem to be solved in the present invention is designed to provide a kind of gas meter, flow meter communication based on Internet of Things mechanics of communication
Device, the price plan to solve existing gas meter, flow meter meter reading trouble and gas meter, flow meter can not timely update, and be easy to happen charging mistake
Accidentally the problem of.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication, including gas meter, flow meter, further includes:
NB-IOT communication module, carries out wireless communication with remote server and connect, for carrying out data with remote server
Interaction；
IC card module, for reading the cost information of IC card；
Elapsed time clock module carries out real-time update to the clock of gas meter, flow meter for carrying out real-time timing；
Accounting module, for receiving the default gas price of remote server transmission, according to default gas price to combustion gas
Table carries out charging, and generates combustion gas expense；
Module of readjusting prices is adjusted default gas price for receiving default price adjustment information；
Data memory module, for store the combustion gas of gas meter, flow meter using total amount, default gas price, default price adjustment information,
Combustion gas expense and gas meter, flow meter operating status；
Control module, with NB-IOT communication module, IC card module, elapsed time clock module, accounting module, price adjustment module, number
It is connected according to memory module and power supply module, for carrying out data communication with modules；
Power supply module is powered for providing power supply, and for control module.
Preferably, the control module includes single-chip microcontroller, the single-chip microcontroller model MSP430FR4133.
Preferably, the gas meter apparatus further includes alarm module, and warning circuit is provided in the alarm module, described
Buzzer is provided in warning circuit, the output interface of the buzzer is connected to third transistor Q3, the third transistor Q3
Emitter ground connection, base stage is connected with one end of the 9th resistance R9, and the other end of the 9th resistance R9 and the 18th of single-chip microcontroller connect
Mouth connects.
Preferably, dry cell power supply circuit and lithium battery power supply circuit, the dry electricity are provided in the power supply module
Pond power supply circuit is provided with the first power supply interface and the second power supply interface, and the one of first power supply interface and the 5th resistance R5
End connection, the other end of the 5th resistance R5 and the 25th interface of the 6th capacitor C6, the 6th resistance R6 and single-chip microcontroller
Connection, the 6th capacitor C6 and the 6th resistance R6 earth, the lithium battery power supply circuit are provided with third power supply
Interface and the 4th power supply interface, the third power supply interface are connect with the input terminal of the 6th diode D6, the six or two pole
The output end of pipe D6 is connected with one end of the 21st resistance R21, and the second of the other end of the 21st resistance R21 and single-chip microcontroller
The connection of one end of 15 interfaces and the 22nd resistance R22, the other end ground connection of the 22nd resistance R22.
Preferably, it is additionally provided with voltage regulator circuit in the power supply module, voltage stabilizing chip T1 is provided in the voltage regulator circuit,
The input terminal of voltage stabilizing chip T1 is connect with the output end of the output end of the 5th diode D5, the second diode D2, the pressure stabilizing core
The input terminal of piece T1 is also connect with the 30th resistance R30, the 29th resistance R29 respectively, and the other end of the 30th resistance R30 connects
It is connected to the input terminal of the second electrolytic capacitor C2, the other end of the 29th resistance R29 is connected with the input of the first electrolytic capacitor C1
End, the first electrolytic capacitor C1 and the second electrolytic capacitor C2 ground connection, the input terminal of the 5th diode D5 is with first diode D1's
Output end connection, the input terminal of first diode D1 are connect with the first power supply interface, the input terminal and the 6th of the second diode D2
The output end of diode D6 and the 21st resistance R21 connection.
Preferably, the output end of the voltage stabilizing chip T1 is connected with the 32nd resistance R32, the 32nd resistance R32's
The other end is connected with the tenth electrolytic capacitor C10, the other end of the tenth electrolytic capacitor C10 respectively with the ground terminal of voltage stabilizing chip T1,
The output end connection ground connection of the output end of first electrolytic capacitor C1, the second electrolytic capacitor C2.
Preferably, the NB-IOT communication module includes communicating circuit, and communication chip J5 is provided in the communicating circuit,
First pin of the communication chip is connect with the drain electrode of the first metal-oxide-semiconductor Q1, and the source electrode of the first metal-oxide-semiconductor Q1 is connected with the 26th
Resistance R26, the 26th resistance R26 are connect with the collector of the second triode Q2, and the base stage of the second triode Q2 is connected with
The connection of 29th pin of 28 resistance R28, the 28th resistance R28 and single-chip microcontroller, the emitter of the second diode Q2
It is grounded after being connect with one end of the 27th resistance R27, the other end and the 28th resistance R28 of the 27th resistance R27
Connection.
Preferably, the gas meter apparatus further includes display module, and the display module is LCD display, with single-chip microcontroller
Electrical connection, for show the accumulative gas consumption of the gas meter, flow meter, default gas price, combustion gas expense, IC card cost information and
Default price adjustment information.
Preferably, the default price adjustment information includes price adjustment date and price adjustment mode, and the price adjustment mode includes ladder
Formula price adjustment and disposable price adjustment, if the date of gas meter, flow meter reaches the price adjustment date, according to the price adjustment mode, to described
Default gas price carries out staged price adjustment or disposable price adjustment.
Preferably, the gas meter apparatus further includes settlement module, and the settlement module is used to receive default billing cycle,
And corresponding combustion gas expense is obtained according to the default billing cycle, carry out disbursement and sattlement.
Using the present invention, data interaction is realized by NB-IOT communication module, the combustion gas of gas meter, flow meter can be used data
Remote server is uploaded to, convenient for the long-range management in gas company；The price plan of gas company's transmission can also be received simultaneously,
The price plan of gas meter, flow meter is adjusted in time, guarantees the accuracy of gas meter, flow meter charging；By dry cell power supply circuit and
Lithium battery power supply circuit duplicate supply mode, ensure that the powered stable of gas meter, flow meter.
Detailed description of the invention
Fig. 1 is a kind of gas meter, flow meter communication system architectures schematic diagram based on Internet of Things mechanics of communication provided by the invention；
Fig. 2 is that a kind of single chip circuit of gas meter, flow meter communication system based on Internet of Things mechanics of communication provided by the invention connects
Connect schematic diagram；
Fig. 3 is a kind of communicating circuit principle of gas meter, flow meter communication system based on Internet of Things mechanics of communication provided by the invention
Figure；
Fig. 4 is a kind of dry cell power supply electricity of gas meter, flow meter communication system based on Internet of Things mechanics of communication provided by the invention
Road and lithium battery power supply circuit diagram；
Fig. 5 is a kind of warning circuit principle of gas meter, flow meter communication system based on Internet of Things mechanics of communication provided by the invention
Figure；
Fig. 6 is a kind of circuit theory system of gas meter, flow meter communication system based on Internet of Things mechanics of communication provided by the invention
System figure.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
With reference to Fig. 1, a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication, including combustion gas are present embodiments provided
Table, further includes:
NB-IOT communication module, carries out wireless communication with remote server and connect, for carrying out data with remote server
Interaction；
IC card module, for reading the cost information of IC card；
Elapsed time clock module carries out real-time update to the clock of gas meter, flow meter for carrying out real-time timing；
Accounting module, for receiving the default gas price of remote server transmission, according to default gas price to combustion gas
Table carries out charging, and generates combustion gas expense；
Module of readjusting prices is adjusted default gas price for receiving default price adjustment information；
Data memory module, for store the combustion gas of gas meter, flow meter using total amount, default gas price, default price adjustment information,
Combustion gas expense and gas meter, flow meter operating status；
Control module, with NB-IOT communication module, IC card module, elapsed time clock module, accounting module, price adjustment module, number
It is connected according to memory module and power supply module, for carrying out data communication with modules；
Power supply module is powered for providing power supply, and for control module.
When the price of combustion gas adjusts, the Adjusted Option of gas price is sent to NB-IOT communication mould by gas company
Block after NB-IOT communication module receives Adjusted Option, is forwarded to accounting module by control module, accounting module is according to tune
Perfect square case carrys out the combustion gas expense to gas meter, flow meter and carries out charging, generates the combustion gas expense in the stage.
User needs deduct fees by IC card module brush IC card or recharge amount, and IC card module reads the IC card of user
Interior cost information, is deducted fees or recharge amount, guarantees the normal use of gas meter, flow meter.
After user passes through IC card module brush IC card, IC card module can be automatically updated the expense in IC card, and
By the expense brushed out storage into data memory module.
By elapsed time clock module, real-time update can be carried out to the clock of gas meter, flow meter, guarantee clock and the combustion of gas meter, flow meter
The clock of gas company is unified, to avoid generating after the gas price adjustment of gas company due to time disunity
The inconsistent situation of gas price, while also guaranteeing the accuracy of subsequent price adjustment date and billing cycle.
Control module is single-chip microcontroller, single-chip microcontroller model MSP430FR4133.
It is single chip circuit catenation principle figure with reference to Fig. 2, Fig. 2, is connected with LCD display, i.e. display module on single-chip microcontroller,
For showing accumulative gas consumption, default gas price, combustion gas expense, IC card cost information and the default price adjustment letter of gas meter, flow meter
Breath guarantees that user can obtain in real time the data information of needs by LCD display.
It is to be understood that single-chip microcontroller has multiple pins, pin therein is connect with subsequent modules respectively, with
Data interaction is carried out between modules.
In the present embodiment, NB-IOT communication module is implemented in cellular network using NB-IOT technology, only consumes big
The bandwidth of about 180KHz supports low power consuming devices to connect in the cellular data of wide area network, have covering is wide, connection is more, rate fastly,
At low cost, the low in energy consumption, features such as framework is excellent.
It is communicating circuit schematic diagram with reference to Fig. 3, Fig. 3, NB-IOT communication module includes communicating circuit, setting in communicating circuit
There is communication chip J5, the first pin of communication chip is connect with the drain electrode of the first metal-oxide-semiconductor Q1, the source electrode connection of the first metal-oxide-semiconductor Q1
There are the 26th resistance R26, the 26th resistance R26 to connect with the collector of the second triode Q2, the base of the second triode Q2
Pole is connected with the 28th resistance R28, the 29th pin connection of the 28th resistance R28 and single-chip microcontroller, the second diode
The emitter of Q2 is grounded after connecting with one end of the 27th resistance R27, the other end and the 20th of the 27th resistance R27
Eight resistance R28 connections.
NB-IOT communication module is not continued for opening, only when remote server or single-chip microcontroller produce transmission
When signal, the second triode Q2 can be just connected, and GPRS module can just open, and carry out data transmission, and can reduce electricity in this way
Consumption and the waste of data traffic.
NB-IOT communication module also has second pin, third pin and the 4th pin, wherein second pin ground connection,
27th pin of the connection of the 28th pin of third pin and single-chip microcontroller, the 4th pin and single-chip microcontroller connects.
In a preferred embodiment, the 20th is additionally provided between third pin and the 28th pin of single-chip microcontroller
Three resistance R23, are additionally provided with the 24th resistance R24 between the 4th pin and the 27th pin of single-chip microcontroller.
It is dry cell power supply circuit and lithium battery power supply circuit diagram with reference to Fig. 4, Fig. 4, is provided in power supply module
Dry cell power supply circuit and lithium battery power supply circuit, dry cell power supply circuit are provided with the first power supply interface and the second power supply
Interface, the first power supply interface are connect with one end of the 5th resistance R5, the other end and the 6th capacitor C6 of the 5th resistance R5, the 6th electricity
Hinder the 25th interface connection of R6 and single-chip microcontroller, the 6th capacitor C6 and the 6th resistance R6 earth, lithium battery power supply electricity
Road is provided with third power supply interface and the 4th power supply interface, and third power supply interface is connect with the input terminal of the 6th diode D6,
The output end of 6th diode D6 is connected with one end of the 21st resistance R21, the other end and monolithic of the 21st resistance R21
One end connection of the 25th interface and the 22nd resistance R22 of machine, the other end ground connection of the 22nd resistance R22.
Dry cell is accessed at the first power supply interface and the second power supply interface in dry cell power supply circuit, in the present embodiment
In, dry cell is four section 5# dry cells, is accessed at the third power supply interface and the 4th power supply interface in lithium battery power supply circuit
Lithium battery, in the present embodiment, the voltage of lithium battery are 3.6V.
Be powered by two groups of circuits of dry cell power supply circuit and lithium battery power supply circuit so that system for electric energy
Stable support is accessed, is avoided when powering off again, the case where system can not work, and meter is leaked in the charging of generation.
Further, in Fig. 4, voltage regulator circuit is additionally provided in power supply module, voltage regulator circuit is and dry cell power supply electricity
What road and lithium battery power supply circuit connected, for carrying out pressure stabilizing, voltage stabilizing chip T1, voltage stabilizing chip T1 are provided in voltage regulator circuit
Input terminal connect with the output end of the output end of the 5th diode D5, the second diode D2, the input terminal of voltage stabilizing chip T1 is also
It is connect respectively with the 30th resistance R30, the 29th resistance R29, the other end of the 30th resistance R30 is connected with the second electrolysis electricity
Hold the input terminal of C2, the other end of the 29th resistance R29 is connected with the input terminal of the first electrolytic capacitor C1, the first electrolytic capacitor
C1 and the second electrolytic capacitor C2 ground connection, the input terminal of the 5th diode D5 are connect with the output end of first diode D1, and first
The input terminal of diode D1 is connect with the first power supply interface, the input terminal of the second diode D2 and the output end of the 6th diode D6
And the 21st resistance R21 connection.
The output end of voltage stabilizing chip T1 is connected with the 32nd resistance R32, and the other end of the 32nd resistance R32 is connected with
Tenth electrolytic capacitor C10, the other end of the tenth electrolytic capacitor C10 respectively with the ground terminal of voltage stabilizing chip T1, the first electrolytic capacitor
The output end connection ground connection of the output end of C1, the second electrolytic capacitor C2.
Voltage stabilizing chip T1 is used to guarantee the voltage stabilization of dry cell power supply circuit and lithium battery power supply circuit, avoids voltage
Unstable damage single-chip microcontroller etc. guarantees that whole system is capable of the work of normal table.
With reference to Fig. 5, Fig. 5 is warning circuit schematic diagram, and gas meter apparatus further includes alarm module, is provided in alarm module
Warning circuit is provided with buzzer in warning circuit, and the output interface of buzzer is connected to third transistor Q3, third transistor Q3
Emitter ground connection, base stage is connected with one end of the 9th resistance R9, and the other end of the 9th resistance R9 and the 18th of single-chip microcontroller connect
Mouth connects.
When abnormality occurs in gas meter, flow meter, such as combustion gas leaks, control signal can be issued by single-chip microcontroller,
Making buzzer warning by warning circuit, third transistor Q3 will be connected at this time, after alarm terminates, third transistor
Q3 truncation.
By the way that warning circuit is arranged, it can guarantee the safety of user in real time, improve the reliability and peace of whole system
Quan Xing.
The circuit diagram of whole system is shown with reference to Fig. 6, Fig. 6, wherein further including button circuit, motor electrohydraulic valve actuator
Road, IC card card seat circuit and sensor connect circuit.
It is provided with button S1 in button circuit, is inputted for user, is provided with motor valve and sensor in gas meter, flow meter, it is single
Piece machine is connect by motor valve-driving circuit with the motor valve in gas meter, flow meter, and single-chip microcontroller connects circuit and gas meter, flow meter by sensor
Interior sensor connection.
IC card card seat circuit is used for user card punching, and cost information of IC card etc. is sent to list by IC card card seat circuit
Piece machine.
In the present embodiment, single-chip microcontroller can be used as data processing centre, be arranged inside elapsed time clock module, accounting module,
Module of readjusting prices and data memory module.
Default price adjustment information is sent to NB-IOT communication module by the remote server of gas company, then passes through NB-IOT
Communication module is forwarded in single-chip microcontroller.
Default price adjustment information includes price adjustment date and price adjustment mode, and price adjustment mode includes staged price adjustment and disposable
Price adjustment, if the date of gas meter, flow meter reach price adjustment the date, according to price adjustment mode, to default gas price carry out staged price adjustment or
Disposable price adjustment.
For example, gas company is used as the price adjustment date at setting the end of month this month, and it is disposable price adjustment, combustion gas that price adjustment mode, which is arranged,
The elapsed time clock module of table starts timing, when reaching the end of month this month on the date, carries out to original default gas price disposable
Price adjustment.
Staged price adjustment also can be set in gas company, such as price adjustment every month is three times, the interval date readjusted prices each time
It is 10 days, then when the every mistake of elapsed time clock module ten days will once be readjusted prices on original default gas price.
After price adjustment, default gas price originally will be automatically updated to new price, while being saved in data and depositing
It stores up in module.
In the present embodiment, gas meter apparatus further includes settlement module, and settlement module is used to receive default billing cycle, and
Corresponding combustion gas expense is obtained according to default billing cycle, carries out disbursement and sattlement.
Billing cycle can be set to realize the automatic management to gas meter, flow meter, when elapsed time clock module reaches in gas company
When Settlement Date, disbursement and sattlement is carried out automatically, and the amount of money in user's IC card is deducted.
Data interaction is realized by NB-IOT communication module, the combustion gas of gas meter, flow meter can be uploaded to long-range clothes using data
Business device, long-range modernization and automatic management are carried out convenient for gas company；Gas company's transmission can also be received simultaneously
Price plan is in time adjusted the price plan of gas meter, flow meter, guarantees the accuracy of gas meter, flow meter charging；Pass through dry cell power supply
Circuit and lithium battery power supply circuit duplicate supply mode, ensure that the powered stable of gas meter, flow meter.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication, including gas meter, flow meter, which is characterized in that further include:
NB-IOT communication module, carries out wireless communication with remote server and connect, for carrying out data interaction with remote server；
IC card module, for reading the cost information of IC card；
Elapsed time clock module carries out real-time update to the clock of gas meter, flow meter for carrying out real-time timing；
Accounting module, for receive remote server transmission default gas price, according to default gas price to gas meter, flow meter into
Row charging, and generate combustion gas expense；
Module of readjusting prices is adjusted default gas price for receiving default price adjustment information；
Data memory module, the combustion gas for storing gas meter, flow meter use total amount, default gas price, default price adjustment information, combustion gas
Expense and gas meter, flow meter operating status；
Control module is deposited with NB-IOT communication module, IC card module, elapsed time clock module, accounting module, price adjustment module, data
Module and power supply module connection are stored up, for carrying out data communication with modules；
Power supply module is powered for providing power supply, and for control module.
2. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 1, which is characterized in that institute
Stating control module includes single-chip microcontroller, the single-chip microcontroller model MSP430FR4133.
3. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 1 or 2, feature exist
In the gas meter apparatus further includes alarm module, and warning circuit is provided in the alarm module, is set in the warning circuit
It is equipped with buzzer, the output interface of the buzzer is connected to third transistor (Q3), the emitter of the third transistor (Q3)
Ground connection, base stage are connected with one end of the 9th resistance (R9), the 18th interface phase of the other end and single-chip microcontroller of the 9th resistance (R9)
It connects.
4. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 1 or 2, feature exist
In being provided with dry cell power supply circuit and lithium battery power supply circuit in the power supply module, the dry cell power supply circuit is set
It is equipped with the first power supply interface and the second power supply interface, first power supply interface is connect with one end of the 5th resistance (R5), institute
25th interface of the other end and the 6th capacitor (C6), the 6th resistance (R6) and single-chip microcontroller of stating the 5th resistance (R5) connects
It connects, the 6th capacitor (C6) and the 6th resistance (R6) earth, the lithium battery power supply circuit is provided with third confession
Electrical interface and the 4th power supply interface, the third power supply interface are connect with the input terminal of the 6th diode (D6), and the described 6th
The output end of diode (D6) is connected with one end of the 21st resistance (R21), the other end and list of the 21st resistance (R21)
The connection of one end of 25th interface of piece machine and the 22nd resistance (R22), the 22nd resistance (R22) it is another
End ground connection.
5. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 4, which is characterized in that institute
It states and is additionally provided with voltage regulator circuit in power supply module, be provided in the voltage regulator circuit voltage stabilizing chip (T1), voltage stabilizing chip (T1)
Input terminal is connect with the output end of the output end of the 5th diode (D5), the second diode (D2), the voltage stabilizing chip (T1)
Input terminal is also connect with the 30th resistance (R30), the 29th resistance (R29) respectively, and the other end of the 30th resistance (R30) connects
It is connected to the input terminal of the second electrolytic capacitor (C2), the other end of the 29th resistance (R29) is connected with the first electrolytic capacitor (C1)
Input terminal, the first electrolytic capacitor (C1) and the second electrolytic capacitor (C2) ground connection, the input terminal of the 5th diode (D5) and the
The output end of one diode (D1) connects, and the input terminal of first diode (D1) is connect with the first power supply interface, the second diode
(D2) input terminal is connect with the output end of the 6th diode (D6) and the 21st resistance (R21).
6. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 5, which is characterized in that institute
The output end for stating voltage stabilizing chip (T1) is connected with the 32nd resistance (R32), and the other end of the 32nd resistance (R32) is connected with
Tenth electrolytic capacitor (C10), the other end of the tenth electrolytic capacitor (C10) respectively with the ground terminal of voltage stabilizing chip (T1), first electricity
The output end of the output end, the second electrolytic capacitor (C2) that solve capacitor (C1) connects ground connection.
7. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 1 or 2, feature exist
In the NB-IOT communication module includes communicating circuit, is provided in the communicating circuit communication chip (J5), the communication core
First pin of piece is connect with the drain electrode of the first metal-oxide-semiconductor (Q1), and the source electrode of the first metal-oxide-semiconductor (Q1) is connected with the 26th resistance
(R26), the 26th resistance (R26) is connect with the collector of the second triode (Q2), the base stage connection of the second triode (Q2)
There is the 28th resistance (R28), the 28th resistance (R28) is connect with the 29th pin of single-chip microcontroller, the second diode
(Q2) emitter connect with one end of the 27th resistance (R27) after be grounded, the other end of the 27th resistance (R27) with
The connection of 28th resistance (R28).
8. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 1 or 3, feature exist
In the gas meter apparatus further includes display module, and the display module is LCD display, and monolithic mechatronics, for showing
Show accumulative gas consumption, default gas price, combustion gas expense, IC card cost information and the default price adjustment information of the gas meter, flow meter.
9. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 1, which is characterized in that institute
It states default price adjustment information and includes price adjustment date and price adjustment mode, the price adjustment mode includes staged price adjustment and disposable tune
Valence, according to the price adjustment mode, carries out rank to the default gas price if the date of gas meter, flow meter reaches the price adjustment date
Ladder type price adjustment or disposable price adjustment.
10. a kind of gas meter, flow meter communication device based on Internet of Things mechanics of communication according to claim 1, which is characterized in that
The gas meter apparatus further includes settlement module, and the settlement module is preset for receiving default billing cycle, and according to described
Billing cycle obtains corresponding combustion gas expense, carries out disbursement and sattlement.
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| CN207502008U (en) * | 2017-11-29 | 2018-06-15 | 杭州绿鲸科技有限公司 | A kind of NB-IOT wireless gas meters |
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| CN204788542U (en) * | 2015-07-16 | 2015-11-18 | 郑州创源智能设备有限公司 | Mode switch's that supply power direct -reading thing networking gas table more |
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Application publication date: 20190528 |