CN105070022B - Instrument end device, wireless kilowatt meter reading-out system and method - Google Patents
Instrument end device, wireless kilowatt meter reading-out system and method Download PDFInfo
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Abstract
The present invention relates to a kind of instrument end devices, including acquisition module, wireless transport module and transmission control module；The acquisition module obtains the real time data of instrument for connecting with instrument；The wireless transport module is connect with acquisition module, reads the real time data from acquisition module at work, and send to data terminal；The transmission control module is connected with the wireless transmission module, for the periodically work of control wireless transport module or suspend mode.During radio meter register, using instrument end device of the invention, for the wireless transport module in instrument end device in the transmission process of real time data, communication link is directly single, and stability is high；Simultaneous transmission control module can periodically control wireless transport module work and suspend mode, can periodically acquisition instrument real time data, low in energy consumption, long service life.
Description
Technical field
The present invention relates to wireless mobile telecommunication technology fields, more particularly to instrument end device, wireless kilowatt meter reading-out system and side
Method.
Background technique
At present in the remote meter readings industry such as water meter, gas meter, carries out remote wireless meter recording and be well-known a great problem.
Because can only be powered using battery without alternating current, and that apply at present more is the 433MHZ, 470MHz for using networking
The low-power consumption radio-frequency module (Radio Frequency Wireless Module, RF module) of frequency range, the mode of this low-power consumption
Carry out meter reading, but this radio-frequency module is easy to be influenced by environmental disturbances, poor anti jamming capability, communication link are many and diverse, with
Cause communication robust poor.
With the development of Internet of Things, the GSM/GPRS rate of major mobile operator are lowered significantly, for answering for Internet of Things
With there is the expenses standard for meeting the huge number of users of Internet of Things in major operator, this is pushed away for the application of GSM/GPRS module
Extensively play very big impetus.
When GSM/GPRS module application is in the remote meter readings industry such as water meter, gas meter, although GSM/GPRS module is not by outer
Boundary's environmental disturbances influence and communication link is single, but GSM/GPRS module power consumption itself is quite big, is not available battery pair
It is powered, and at high cost.
Summary of the invention
Based on this, it is necessary to a kind of be related to instrument end device low in energy consumption, at low cost in view of the above-mentioned problems, providing.
In addition, also providing a kind of wireless kilowatt meter reading-out system and method.
A kind of instrument end device, including acquisition module, wireless transport module and transmission control module；
The acquisition module obtains the real time data of instrument for connecting with instrument；
The wireless transport module is connect with acquisition module, reads the real time data from acquisition module at work, and
It is sent to data terminal；
The transmission control module is connected with the wireless transmission module, for periodically control wireless transport module work and
Suspend mode.
In one of the embodiments, the transmission control module include for periodic interruptions output clock unit and
For controlling the switch unit of wireless transport module work or suspend mode；The switch unit respectively with clock unit, wireless transmission
Module connection.
The clock unit includes real-time timepiece chip in one of the embodiments,；The switch unit includes metal
The control circuit of oxide semiconductor effect transistor.
The switch unit further includes magnet-sensitive switch in one of the embodiments,；The magnet-sensitive switch for controlling manually
Wireless transport module working condition processed；The magnet-sensitive switch includes magnet and tongue tube, and the magnet controls the tongue tube.
The acquisition module includes single-chip microcontroller in one of the embodiments, and the single-chip microcontroller and wireless transport module connect
It connects.
The wireless transport module is GSM/GPRS module in one of the embodiments, the GSM/GPRS module
Model are as follows: KB601Q.
The wireless transport module further includes SIM chip in one of the embodiments, the SIM chip with it is described
The connection of GSM/GPRS module.
A kind of wireless kilowatt meter reading-out system, including the instrument end device, instrument and data terminal, the instrument end device and instrument
Table connection, the data for acquisition instrument；The data terminal is wirelessly communicated to connect with instrument end device, receiving instrument
The data that table end device is sent.
A kind of wireless meter reading method, includes the following steps:
Wireless transport module is activated, into wake-up states；The wireless transport module be started manually or by it is real-time when
The interrupt signal starting that clock chip exports after wake-up period arrival；
Wireless transport module registers wireless transport module communication network；
Wireless transport module output voltage gives instrument single-chip microcontroller, powers on the instrument single-chip microcontroller and passes through serial ports master
Trend wireless transport module sends real time data；
The real time data of acquisition is wirelessly transferred to data terminal by wireless transport module；
Wireless transport module configures the wake-up period of real-time timepiece chip, and removes the interrupt signal, makes to be wirelessly transferred
Module disconnects power supply, into dormant state.
The step of wake-up period of the wireless transport module configuration real-time timepiece chip wraps in one of the embodiments,
Include: whether detection real-time timepiece chip has configuration, if being sent to the configuration period in wireless transport module described without configuration
Real-time timepiece chip and using the configuration period as the wake-up period of real-time timepiece chip；If there is configuration, then configuration is read
Wake-up period reconfigures if the configuration period in the wake-up period and wireless transport module of real-time timepiece chip is inconsistent
Wake-up period, so that unanimously；If consistent, wireless transport module power-off enters suspend mode.
The interrupt signal exported after wake-up period arrival by clock chip starts in one of the embodiments,
Are as follows: the wake-up period for configuring the real-time timepiece chip, when real-time timepiece chip wake-up period then, trigger interrupt signal, institute
It states interrupt signal and is configured as control Metal Oxide Semiconductor Field Effect Transistor conducting, wireless transport module is made to connect electricity
Source；
It is described to manually boot are as follows: by manually controlling magnet-sensitive switch, to control Metal Oxide Semiconductor Field Effect Transistor
Conducting, powers on wireless transport module.
The registration wireless transmission communication network includes registration GSM network and registration GPRS in one of the embodiments,
Network；The real time data of acquisition is transferred to short message terminal by GSM network or is transferred to terminal server by GPRS network.
It is above-mentioned to be related to instrument end device, wireless kilowatt meter reading-out system and method, during radio meter register, using of the invention
Instrument end device, for the wireless transport module in instrument end device in the transmission process of real time data, communication link is directly single,
Stability is high；Simultaneous transmission control module can periodically control wireless transport module work and suspend mode, can periodically adopt
The real time data of integrates instrument, low in energy consumption, long service life.
Detailed description of the invention
Fig. 1 is wireless kilowatt meter reading-out system module map；
Fig. 2 is wireless kilowatt meter reading-out system schematic diagram；
Fig. 3 is wireless meter reading method flow chart；
Fig. 4 is the wake-up period flow chart that wireless transport module configures real-time timepiece chip.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.On the contrary, purpose of providing these embodiments is make to disclose the contents of the present invention it is more thorough complete
Face.
As shown in Figure 1 is wireless kilowatt meter reading-out system module map, and wireless kilowatt meter reading-out system includes 20 sum number of instrument end device in figure
According to terminal 30, the instrument end device 20 is connect with instrument 10, the data for acquisition instrument 10；The data terminal 30 passes through
Wireless mode and instrument end device 20 communicate to connect, and receive the data that instrument end device 20 is sent, and realize remote meter-reading function.
In the present embodiment, the instrument end device 20 includes acquisition module 100, wireless transport module 200 and transmission control
Module 300.Acquisition module 100 obtains the real time data of instrument for connecting with instrument.Wireless transport module 200 and acquisition mould
Block 100 connects, and reads the real time data from acquisition module 100 at work, and send to data terminal 30.Transmission control mould
Block 300 is connect with wireless transport module 200, for the periodically work of control wireless transport module 200 and suspend mode.
Acquisition module 100 includes 110 circuit module of single-chip microcontroller, and the instrument 10 that acquisition module 100 connects can acquire electrically
Transform electric is digital signal by signal, and required real time data is obtained after performing corresponding processing, and instrument 10 can
To be water meter, ammeter or gas meter, flow meter etc..Acquisition module 100 obtains real time data from instrument 10.
Wireless transport module 200 transmits data by wireless data transmission protocols, uses GSM/GPRS mould in the present embodiment
Block, the model KB601Q of GSM/GPRS module.
Transmission control module 300 is connect with wireless transport module 200, for periodically controlling wireless transport module 200
Work and suspend mode；Wireless transport module 200 is connect with acquisition module 100, for reading in real time from acquisition module 100 at work
Data, and by real-time Data Transmission to data terminal.
Transmission control module 300 includes switch unit 310 for controlling 200 working condition of wireless transport module and is used for
The clock unit 320 of periodic interruptions output.Switch unit 310 includes metal-oxide semiconductor (MOS) effect transistor and Xiang Guan electricity
Road, clock unit 320 include real-time timepiece chip 322 (referring to Fig. 2).Switch unit 310 respectively with clock unit 320, wireless
Transmission module 200 is electrically connected.
As shown in Figure 2 is wireless kilowatt meter reading-out system schematic diagram, in the present embodiment, the type of real-time clock (RTC) chip 322
Number are as follows: BL5372；The model of GSM/GPRS module 200 are as follows: KB601Q.It is controlled by RTC chip 322 to GSM/GPRS module
Low-power consumption is realized in 200 power supply.
As shown in Fig. 2, the SCL (Pin16) of chip KB601Q, SDA (Pin17), GPIO0 (Pin4) foot are connected respectively
SCL (Pin2), SDA (Pin3), the INTB (Pin1) of chip BL5372.
Acquisition module 100 includes single-chip microcontroller 110, and single-chip microcontroller 110 is connect with GSM/GPRS module 200.That is chip KB601Q
TXD1 (Pin18), RXD1 (Pin19) respectively with the RXD of single-chip microcontroller 110 (Pin3), TXD (Pin2) be connected.Single-chip microcontroller 110 by
GSM/GPRS module 200 provides the operating voltage of 2.8-3.3V, i.e. the supply pin VCC (Pin4) and chip of single-chip microcontroller 110
The VCC (Pin14) of KB601Q connects.
The starting of GSM/GPRS module 200 is divided into the starting of RTC chip 322 and user manually boots.Below with regard to RTC chip
322 startings and user manually boot two kinds of Starting mode and illustrate respectively:
RTC chip 322 start: the internal time period of RTC chip 322 arrives, just to GSM/GPRS module 200 power supply and
Starting.
After chip KB601Q starting, chip BL5372 is carried out by PIN16, PIN17 foot (I2C foot) to configure its wake-up week
Phase (parameter is from 300 inner parameter of transmission control module: heart beat cycle).GSM or GPRS net is registered to chip KB601Q
After network success, i.e., the voltage of 2.8-3.3V is exported to VCC (PIN14) to single-chip microcontroller 110, i.e. single-chip microcontroller 110 powers on, and powers on 100
By TTL interface in~300 milliseconds (ms), to chip KB601Q active transmission instrumented data, the active transmission data time is time saving
Between to more power saving.
If chip KB601Q is configured to SMS Modem mode, chip KB601Q is automatically sent data by short message
Number is controlled to center, i.e. short message terminal automatically passes through data if chip KB601Q is configured to GPRS DTU mode
GPRS network is sent to server.
After being sent, chip KB601Q is called out by PIN16, PIN17 (I2C foot) to chip BL5372 configuration in real time again
It wakes up the period, and removes the low level interruption of RTC chip 322, so that RTC chip 322 is exported high level and partly led to metal oxide
Bulk effect crystal (metal oxide semiconductor, MOS) pipe, GSM/GPRS module 200, which powers off, enters complete suspend mode
State.
GSM/GPRS module 200 waits the arrival of the next wake-up period of RTC chip 322, to RTC chip 322 to wake-up
Period then, that is, exports low level and gives metal-oxide semiconductor (MOS) effect transistor (metal-oxide-semiconductor), GSM/GPRS module 200 be on
Electricity, RTC chip 322 are to carry out a new wheel wake-up-sleep cycles again.
Further, wireless kilowatt meter reading-out system further includes magnet-sensitive switch；Magnet-sensitive switch is for manually controlling GSM/GPRS module 200
Working condition；Magnet-sensitive switch includes magnet and tongue tube D5, and magnet controls tongue tube D5.Magnet-sensitive switch starts GSM/ for user
GPRS module 200.
User's starting: controlling tongue tube (Reed Switch) D5 by magnet and wake up to control GSM/GPRS module 200,
It realizes to mend by hand and copies function or manual test.
After GSM/GPRS module 200 is provided with certain wake-up period, wake-up work is just carried out with the period of setting automatically.
But encounter some water sometimes, the data of gas meter are not copied up in real time, or sometimes for retesting, it is then not possible to go to wait it
The arrival of next cycle.User is needed to wake up GSM/GPRS module 200 manually at this time.When magnetic force reduces to a certain extent,
Contact is opened by the elastic force of reed.
User can control tongue tube D5 by magnet, when permanent magnet close to tongue tube D5 or is wound on tongue tube D5
Coil be powered the magnetic field to be formed when magnetizing reed, the contact part of reed D5 will be magnetically attracted, when attraction is greater than
When the elastic force of reed, normal opened contact will be attracted, so that input low level, to metal-oxide-semiconductor, GSM/GPRS module 200 powers on, to
After GSM/GPRS module 200 registers the success of GSM/GPRS network, i.e., 2.8V-3.3V voltage, water, gas meter are inputted to VCC (PIN14)
Single-chip microcontroller 110 powers on, and powers in 100-300 milliseconds (ms) and sends water, gas meter number to GSM/GPRS module 200 by TTL
According to if GSM/GPRS module 200 is configured to SMS Modem mode, data are passed through short message automatically by GSM/GPRS module 200
It is sent to center control number, i.e. short message terminal automatically leads to data if GSM/GPRS module 200 is configured to DTU mode
It crosses GPRS network and is sent to server.
After being sent, GSM/GPRS module 200 is that the configuration of RTC chip 322 is read by I2C, if its wake-up period
It is inconsistent with the period in GSM/GPRS module 200, then wake-up period is reconfigured, then through I2C into the removing of RTC chip 322
Disconnected, at this point, RTC chip 322 exports high level to metal-oxide-semiconductor, GSM/GPRS module 200 is powered off.If its wake-up period and GSM/
The period is consistent in GPRS module 200, then directly removes and interrupt to RTC chip 322, and RTC chip 322 exports high level to metal-oxide-semiconductor,
GSM/GPRS module 200 powers off, into dormant state.
GSM/GPRS module 200 uses two parameters: short message destination number and data bits period, the two parameters difference
It is replaced with " the center control number " and " heart beat cycle " of original configuration software.Period unit are as follows: day, it is default (system default)
It is 7 days.
GSM/GPRS module 200 is worked in coordination with RTC chip 322, in GSM/GPRS 200 suspend mode of module, only RTC chip
322 is in running order, and 322 operating current of RTC chip is 400 Naans (nA), in addition the entire GSM/ such as other resistance capacitances
GPRS module 200 is in dormant state 1.23~1.25 microamperes of power consumption (uA).In the case where the lithium battery power supply of 2800mAh,
It entirely wakes up primary (meter reading is primary) GSM/GPRS 200 1 week of module, can be used 26 years.It is able to satisfy water completely, gas meter is copied
Table battery uses requirement in 6~10 years.
It further, further include SIM chip 210, the PIN1 power supply of SIM chip in GSM/GPRS module described in Fig. 2 200
Pin corresponding with chip KB601Q connects respectively for pin, PIN2 reset pin, PIN3 (VPP) and PIN6 input and output pin
It connects.SIM chip 210 does not use traditional SIM card in the present embodiment, and uses newest M2M UICC chip, effectively keeps away
Exempted from that traditional SIM card occurs in long-term use because caused by aoxidizing, vibrate etc. the disadvantages of poor contact.In another embodiment
In, SIM chip 210 can also be traditional SIM card, be mounted in the SIM card holder of GSM/GPRS module.
The design method of GSM/GPRS module 200 is embedded OPENCPU design method of increasing income, and program operates in module
Portion, without other MCU hardware.Design cost is lower in this way, a GSM/GPRS module dozens of yuan, be able to satisfy completely water,
The cost requirement of gas meter meter reading.
GSM/GPRS module 200 either uses GPRS meter reading or SMS messaging meter reading, and communication link is directly single, because
Mobile network's covering is wide, will not be influenced by environment etc., stability is high.
As shown in Figure 3 is wireless meter reading method flow chart, and wireless meter reading method comprises the following steps:
S10: wireless transport module is activated, into wake-up states；The wireless transport module is started manually or by reality
When clock chip wake-up period arrival after export interrupt signal starting.
Under normal circumstances, in a dormant state, the mode of starting GSM/GPRS module is when including real-time for GSM/GPRS module
The starting of clock chip and user manually boot.
The real-time timepiece chip starting is the wake-up period of configuration real-time timepiece chip before starting, works as real-time timepiece chip
Then, clock chip exports low level and gives Metal Oxide Semiconductor Field Effect Transistor (metal-oxide-semiconductor) wake-up period, to make
GSM/GPRS module powers on, into wake-up states.
The user manually boots as by manually controlling magnet-sensitive switch, when permanent magnet close to tongue tube or is wound on dry spring
Coil on pipe is powered the magnetic field to be formed when magnetizing reed, and the contact part of reed will be magnetically attracted, when attraction is big
When the elastic force of reed, normal opened contact will be attracted, so that input low level is to Metal Oxide Semiconductor Field Effect Transistor
(metal-oxide-semiconductor), to make GSM/GPRS module power on, into wake-up states.
S20: wireless transport module registers wireless transport module communication network.
Wireless transport module is GSM/GPRS module, and registration GSM/GPRS communication network is divided into two kinds: one is GPRS nets
Network mode, one is SMS network modes.Network mode is matched before use in the form of parameter by user according to actual needs
It sets.In GPRS network operating mode, it is usually required mainly for the parameter of configuration has: data bits period, server ip, server end
Mouthful, APN and user, password etc..In SMS network mode of operation, the parameter needed to configure has: data bits period, short message
Destination number etc..
S30: wireless transport module output voltage gives instrument single-chip microcontroller, powers on the instrument single-chip microcontroller and passes through string
Mouth actively sends real time data to wireless transport module.
Wireless transport module, that is, GSM/GPRS module exports voltage water supply, the gas meter monolithic of 2.8V-3.3V by interface
Machine, water, gas meter single-chip microcontroller, which power on, to be powered on, and is powered in 100-300ms and is actively sent out to GSM/GPRS module by TTL serial ports
Send the real time data of water, gas meter.
S40: the real time data of acquisition is wirelessly transferred to data terminal by wireless transport module.
GSM/GPRS module by the real time data of the water of acquisition, gas meter by before be arranged GSM/GPRS communication network without
Line is defeated by short message terminal (SMS network mode) or terminal server (GPRS network mode).
S50: wireless transport module configures the wake-up period of real-time timepiece chip, and removes the interrupt signal, makes wireless
Transmission module disconnects power supply, into dormant state.
Wireless transport module, that is, GSM/GPRS module configurable clock generator chip wake-up period simultaneously removes real-time clock interrupt, when
Clock chip exports high level and gives Metal Oxide Semiconductor Field Effect Transistor (metal-oxide-semiconductor), and GSM/GPRS module is made to disconnect power supply,
It stops working, hence into dormant state.The arrival of next wake-up period of clock chip is waited to export low level to metal
Oxide semiconductor field effect transistor (metal-oxide-semiconductor) powers on GSM/GPRS module and enters back into wake-up states；GSM/GPRS module
A new wheel wake-up-suspend mode is welcome again, is worked with looping back and forth like this.
It is as shown in Figure 4 to be the wake-up period flow chart of wireless transport module configuration real-time timepiece chip, including walk as follows
Rapid: whether detection real-time timepiece chip has configuration, if being sent to the configuration period in wireless transport module described without configuration
Real-time timepiece chip and using the configuration period as the wake-up period of real-time timepiece chip；If there is configuration, then configuration is read
Wake-up period match again if the configuration period in the wake-up period and wireless transport module of real-time timepiece chip is inconsistent
Wake-up period is set, so that unanimously；If consistent, wireless transport module power-off enters suspend mode.
After wireless communication module has sent real time data to data terminal, GSM/GPRS module is read by port
The configuration of RTC chip, has detected whether configuration, if the configuration period in wireless transport module is then sent to institute without configuration
State real-time timepiece chip and using the configuration period as the wake-up period of real-time timepiece chip；If there is configuration, then reads and match
The wake-up period set, if the wake-up period of real-time timepiece chip and the configuration period in GSM/GPRS module are inconsistent, again
Wake-up period is configured, so that unanimously, then removed and interrupted to RTC chip by port, RTC chip exports high level to metal oxygen
Compound semiconductor field effect transistor (metal-oxide-semiconductor), GSM/GPRS module power off.If in its wake-up period and GSM/GPRS module
Period is consistent, and GSM/GPRS module, which is then directly removed to RTC chip, interrupts, and RTC chip exports high level to metal-oxide-semiconductor, GSM/
GPRS module, which powers off, enters suspend mode.
The interrupt signal starting exported after wake-up period arrival by clock chip are as follows: configure the real-time timepiece chip
Wake-up period, when real-time timepiece chip wake-up period then, trigger interrupt signal, the interrupt signal be configured as control metal
Oxide semiconductor field effect transistor conducting, powers on wireless transport module；It manually boots are as follows: by manually controlling magnetic
Quick switch, control Metal Oxide Semiconductor Field Effect Transistor conducting, powers on wireless transport module.
Registration wireless transmission communication network includes registration GSM network or registration GPRS network；The real time data of acquisition passes through
GSM network is transferred to short message terminal or is transferred to terminal server by GPRS network.
GSM/GPRS module is made into SMS Modem mode, then GSM/GPRS module is automatically sent data by short message
Number, i.e. short message terminal are controlled to center, if GSM/GPRS module is made into DTU mode, i.e., data are passed through into GPRS net automatically
Network is sent to server.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (11)
1. a kind of instrument end device, including acquisition module, wireless transport module and transmission control module；
The acquisition module obtains the real time data of instrument for connecting with instrument；
The wireless transport module is connect with acquisition module, reads the real time data from acquisition module at work, and to number
It is sent according to terminal；
The transmission control module is connected with the wireless transmission module, and for periodically control wireless transport module work and stops
It sleeps；
The transmission control module includes for the clock unit of periodic interruptions output and for controlling wireless transport module work
Work or the switch unit of suspend mode；The clock unit includes real-time timepiece chip；The switch unit respectively with clock unit, nothing
The connection of line transmission module；The real-time timepiece chip exports interrupt signal to switch unit when wake-up period arrives, and makes wireless
Transmission module powers on, into wake-up states；
After the wireless transport module starting, output voltage gives the acquisition module, powers on the acquisition module and leads
The real time data of the transmission instrument of wireless transport module described in trend；Wireless transport module is by the real-time Data Transmission of acquisition to data
Terminal；
The wireless transport module is also used to after transmitting the real time data, configures the wake-up period of real-time timepiece chip, and
The interrupt signal is removed, so that wireless transport module is disconnected power supply, into dormant state；
The interrupt signal that the wireless transport module is started manually or is exported after wake-up period arrival by real-time timepiece chip
Starting；The switch unit further includes magnet-sensitive switch；The magnet-sensitive switch is for manually controlling wireless transport module working condition；
Wherein, the wake-up period of the wireless transport module configuration real-time timepiece chip includes: whether to detect real-time timepiece chip
There is configuration, if the configuration period in wireless transport module is sent to the real-time timepiece chip and is matched by described in without configuration
Set wake-up period of the period as real-time timepiece chip；If there is configuration, then the wake-up period of configuration is read, if real-time clock core
The configuration period in the wake-up period and wireless transport module of piece is inconsistent, then reconfigures wake-up period, so that unanimously；
If consistent, wireless transport module power-off enters suspend mode.
2. instrument end device according to claim 1, which is characterized in that the clock unit includes real-time timepiece chip；
The switch unit includes the control circuit of metal-oxide semiconductor (MOS) effect transistor.
3. instrument end device according to claim 1, which is characterized in that the magnet-sensitive switch includes magnet and tongue tube,
The magnet controls the tongue tube.
4. instrument end device according to claim 1, which is characterized in that the acquisition module includes single-chip microcontroller, the list
Piece machine is connected with the wireless transmission module.
5. instrument end device according to claim 1, which is characterized in that the wireless transport module is GSM/GPRS mould
Block, the model of the GSM/GPRS module are as follows: KB601Q.
6. instrument end device according to claim 5, which is characterized in that the wireless transport module further includes SIM chip,
The SIM chip is connect with the GSM/GPRS module.
7. a kind of wireless kilowatt meter reading-out system, including instrument end device, instrument sum number described in any one of the claims 1-6
According to terminal, the instrument end device is connect with instrument, the data for acquisition instrument；The data terminal wirelessly with
The communication of instrument end device receives the data that instrument end device is sent, and the data terminal includes short message terminal and terminal server.
8. a kind of wireless meter reading method, includes the following steps:
Wireless transport module is activated, into wake-up states；The wireless transport module is started manually or by real-time clock core
The interrupt signal starting that piece exports after wake-up period arrival；Wherein, the real-time timepiece chip is defeated when wake-up period arrives
Interrupt signal is connect with clock unit, wireless transport module respectively to switch unit, the switch unit out, makes to be wirelessly transferred mould
Block powers on, into wake-up states；
Wireless transport module registers wireless transport module communication network；
Wireless transport module output voltage gives instrument single-chip microcontroller, make the instrument single-chip microcontroller power on and by serial ports actively to
Wireless transport module sends real time data；
The real time data of acquisition is wirelessly transferred to data terminal by wireless transport module；
Wireless transport module configures the wake-up period of real-time timepiece chip, and removes the interrupt signal, makes wireless transport module
Power supply is disconnected, into dormant state；
Wherein, the wake-up period of the wireless transport module configuration real-time timepiece chip includes: whether to detect real-time timepiece chip
There is configuration, if the configuration period in wireless transport module is sent to the real-time timepiece chip and is matched by described in without configuration
Set wake-up period of the period as real-time timepiece chip；If there is configuration, then the wake-up period of configuration is read, if real-time clock core
The configuration period in the wake-up period and wireless transport module of piece is inconsistent, then reconfigures wake-up period, so that unanimously；
If consistent, wireless transport module power-off enters suspend mode.
9. wireless meter reading method according to claim 8, which is characterized in that the wireless transport module configures real-time clock
The step of wake-up period of chip, includes: whether detection real-time timepiece chip has configuration, if without configuration, by wireless transport module
The interior configuration period is sent to the real-time timepiece chip and using the configuration period as the wake-up of real-time timepiece chip week
Phase；If there is configuration, then the wake-up period of configuration is read, if in the wake-up period and wireless transport module of real-time timepiece chip
The configuration period is inconsistent, then wake-up period is reconfigured, so that unanimously；If consistent, wireless transport module power-off enters suspend mode.
10. wireless meter reading method according to claim 8, which is characterized in that it is described by clock chip wake-up period to
The interrupt signal starting exported after coming are as follows: the wake-up period for configuring the real-time timepiece chip, when real-time timepiece chip wakes up week
Phase then, triggers interrupt signal, and the interrupt signal is configured as control Metal Oxide Semiconductor Field Effect Transistor conducting,
Power on wireless transport module；
It is described to manually boot are as follows: by manually controlling magnet-sensitive switch, control Metal Oxide Semiconductor Field Effect Transistor is connected,
Power on wireless transport module.
11. wireless meter reading method according to claim 8, which is characterized in that the registration is wirelessly transferred communication network packet
Include registration GSM network and registration GPRS network；The real time data of acquisition is transferred to short message terminal by GSM network and passes through GPRS
Network transmission is to terminal server.
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| CN107656455A (en) * | 2017-09-28 | 2018-02-02 | 杭州古北电子科技有限公司 | A kind of implementation method and device of low-power consumption panel-switch |
| CN109752060A (en) * | 2017-11-02 | 2019-05-14 | 辽宁思凯科技股份有限公司 | A kind of intelligent gas meter based on embedded intelligent gas table function narrowband NB-IOT communication module group |
| CN111351513A (en) * | 2018-12-24 | 2020-06-30 | 群光电子股份有限公司 | Instrument monitoring device and control method thereof |
| CN110324409A (en) * | 2019-06-11 | 2019-10-11 | 厦门骐俊物联科技股份有限公司 | A kind of OpenCPU development platform for intelligent electric power concentrator |
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