CN205080729U - Instrument end device and wireless meter reading system - Google Patents
Instrument end device and wireless meter reading system Download PDFInfo
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- CN205080729U CN205080729U CN201520670250.6U CN201520670250U CN205080729U CN 205080729 U CN205080729 U CN 205080729U CN 201520670250 U CN201520670250 U CN 201520670250U CN 205080729 U CN205080729 U CN 205080729U
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Abstract
The utility model relates to an instrument end device, including collection module, wireless transmission module and transmission control module, collection module is used for and instrument connecting, acquires the real -time data of instrument, wireless transmission module and collection module are connected, read from collection module at the during operation real -time data to send to data terminal, the transmission control module is connected with wireless transmission module for periodically control wireless transmission module work and dormancy. At wireless meter reading's in -process, use the utility model discloses an instrument end device, the wireless transmission module in the instrument end device are in real -time data's transmission course, and the communication link is direct single, and stability is high, simultaneous transmission control module can periodic control wireless transmission module work and dormancy, real -time data that can periodic collection meter, low power dissipation, long service life. Furthermore, the utility model discloses still relate to a wireless meter reading system.
Description
Technical field
The utility model relates to wireless mobile telecommunication technology field, particularly relates to instrument end device and wireless kilowatt meter reading-out system.
Background technology
At present in the remote meter reading industries such as water meter, gas meter, gas meter, flow meter, carrying out remote wireless meter recording is well-known a great problem.Because there is no civil power, battery can only be adopted to power, and to apply more at present be the 433MHZ adopting networking, low-power consumption radio-frequency module (the RadioFrequencyWirelessModule of 470MHz frequency range, RF module), the mode of this low-power consumption is checked meter, but this radio-frequency module is easily subject to environmental interference impact, poor anti jamming capability, communication link are numerous and diverse, so that communication robust is poor.
Along with the development of Internet of Things, the GSM/GPRS rate of each large mobile operator are lowered greatly, for the application of Internet of Things, all there is the expenses standard meeting the huge number of users of Internet of Things in Ge great operator, and this is that the application of GSM/GPRS module serves very large impetus.
When GSM/GPRS module application is in the remote meter reading such as water meter, gas meter industry, although GSM/GPRS module does not affect by external environmental interference and communication link is single, but the power consumption of GSM/GPRS module own is quite large, battery cannot be used to power to it, and cost is high.
Utility model content
Based on this, be necessary for the problems referred to above, provide a kind of and relate to low in energy consumption, that cost is low instrument end device.
In addition, a kind of wireless kilowatt meter reading-out system is also provided.
A kind of instrument end device, comprises acquisition module, wireless transport module and transmission control module;
Described acquisition module is used for and Instrument connection, obtains the real time data of instrument;
Described wireless transport module is connected with acquisition module, operationally reads described real time data from acquisition module, and sends to data terminal;
Described transmission control module is connected with wireless transport module, for periodically controlling wireless transport module work and dormancy.
Wherein in an embodiment, described transmission control module comprises for the clock unit of periodic interruptions output and the switch element for controlling wireless transport module work and dormancy; Described switch element is connected with clock unit, wireless transport module respectively.
Wherein in an embodiment, described clock unit comprises real-time timepiece chip; Described switch element comprises the control circuit of metal-oxide semiconductor (MOS) effect transistor.
Wherein in an embodiment, described switch element also comprises magnet-sensitive switch; Described magnet-sensitive switch is used for Non-follow control wireless transport module duty; Described magnet-sensitive switch comprises magnet and tongue tube, and described magnet controls described tongue tube.
Wherein in an embodiment, described acquisition module comprises single-chip microcomputer, and described single-chip microcomputer is connected with wireless transport module.
Wherein in an embodiment, described wireless transport module is GSM/GPRS module, and the model of described GSM/GPRS module is: KB601Q.
Wherein in an embodiment, described wireless transport module also comprises SIM chip, described SIM chip and described GSM/GPRS model calling.
Wherein in an embodiment, the transmission mode of described GSM/GPRS module comprises GSM network pattern and GPRS network pattern.
A kind of wireless kilowatt meter reading-out system, comprise described instrument end device, instrument and data terminal, described instrument end device and Instrument connection, for the data of acquisition instrument; Described data terminal wirelessly communicates to connect with instrument end device, the data that receiving instrument end device sends.
Wherein in an embodiment, described data terminal comprises the short message terminal for receiving SMS message transmission and the terminal server for receiving internet transmission.
Above-mentionedly relate to instrument end device, wireless kilowatt meter reading-out system and method, in the process of radio meter register, use instrument end device of the present utility model, the wireless transport module in instrument end device is in the transmitting procedure of real time data, communication link is directly single, and stability is high; Transmission control module can periodically control wireless transport module work and dormancy simultaneously, gets final product the real time data of periodic acquisition instrument, low in energy consumption, long service life.
Accompanying drawing explanation
Fig. 1 is wireless kilowatt meter reading-out system module map;
Fig. 2 is wireless kilowatt meter reading-out system schematic diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.On the contrary, the object of these embodiments is provided to be make to content of the present utility model openly more thoroughly comprehensively.
As shown in Figure 1 be wireless kilowatt meter reading-out system module map, in figure, wireless kilowatt meter reading-out system comprises instrument end device 20 and data terminal 30, and described instrument end device 20 is connected with instrument 10, for the data of acquisition instrument 10; Described data terminal 30 wirelessly communicates to connect with instrument end device 20, the data that receiving instrument end device 20 sends, and realizes remote meter-reading function.
In the present embodiment, described instrument end device 20 comprises acquisition module 100, wireless transport module 200 and transmission control module 300.Acquisition module 100 for Instrument connection, obtain the real time data of instrument.Wireless transport module 200 is connected with acquisition module 100, operationally reads described real time data from acquisition module 100, and sends to data terminal 30.Transmission control module 300 is connected with wireless transport module 200, works and dormancy for periodically controlling wireless transport module 200.
Acquisition module 100 comprises single-chip microcomputer 110 circuit module, the instrument 10 that acquisition module 100 connects can gather electric signal, be digital signal by transform electric, and the real time data required for obtaining after carrying out corresponding process, instrument 10 can be water meter, gas meter etc.Acquisition module 100 obtains real time data from instrument 10.
Wireless transport module 200 transmits data by wireless data transmission protocols, adopts GSM/GPRS module in the present embodiment, and the model of GSM/GPRS module is KB601Q.
Transmission control module 300 is connected with wireless transport module 200, works and dormancy for periodically controlling wireless transport module 200; Wireless transport module 200 is connected with acquisition module 100, for operationally reading real time data from acquisition module 100, and by real-time Data Transmission to data terminal.
The clock unit 320 that transmission control module 300 comprises the switch element 310 for controlling wireless transport module 200 duty and exports for periodic interruptions.Switch element 310 comprises metal-oxide semiconductor (MOS) effect transistor and interlock circuit, and clock unit 320 comprises real-time timepiece chip 322 (with reference to figure 2).Switch element 310 is electrically connected with clock unit 320, wireless transport module 200 respectively.
As shown in Figure 2 be wireless kilowatt meter reading-out system schematic diagram, in the present embodiment, the model of real-time clock (RTC) chip 322 is: BL5372; The model of GSM/GPRS module 200 is: KB601Q.Control to realize low-power consumption to the power supply of GSM/GPRS module 200 by RTC chip 322.
As shown in Figure 2, SCL (Pin16), the SDA (Pin17) of chip KB601Q, GPIO0 (Pin4) pin are connected respectively SCL (Pin2), SDA (Pin3), the INTB (Pin1) of chip BL5372.
Acquisition module 100 comprises single-chip microcomputer 110, and single-chip microcomputer 110 is connected with GSM/GPRS module 200.Namely TXD1 (Pin18), the RXD1 (Pin19) of chip KB601Q are connected with the RXD (Pin3) of single-chip microcomputer 110, TXD (Pin2) respectively.Single-chip microcomputer 110 provides the operating voltage of 2.8-3.3V by GSM/GPRS module 200, and namely the supply pin VCC (Pin4) of single-chip microcomputer 110 and the VCC (Pin14) of chip KB601Q connect.
The startup of GSM/GPRS module 200 is divided into RTC chip 322 to start and user manually boots.Manually boot two kinds of Starting mode with regard to RTC chip 322 startup and user below to set forth respectively:
RTC chip 322 starts: the internal time cycle of RTC chip 322 has arrived, and starts with regard to powering to GSM/GPRS module 200.
Chip KB601Q is configured its wake-up period (this parameter comes from transmission control module 300 inner parameter: heart beat cycle) by PIN16, PIN17 pin (I2C pin) to chip BL5372 after starting.Register after GSM or GPRS network success until chip KB601Q, namely the voltage of 2.8-3.3V is exported to single piece clip 110 to VCC (PIN14), namely single-chip microcomputer 110 powers on, powering on, 100 ~ 300 milliseconds (ms) are interior passes through TTL interface, initiatively send instrumented data to chip KB601Q, save time when initiatively sending data thus power saving more.
If chip KB601Q is configured to SMSModem pattern, then data, if when chip KB601Q is configured to DTU pattern, are sent to server by GPRS network by chip KB601Q and automatically data are controlled number by short message sending to center, i.e. short message terminal namely automatically.
After being sent, namely chip KB601Q configures real-time wake-up period by PIN16, PIN17 (I2C pin) to chip BL5373 again, and remove the low level interruption of RTC chip 322, RTC chip 322 is made to export high level to metal-oxide semiconductor (MOS) effect crystal (metaloxidesemiconductor, MOS) manage, GSM/GPRS module 200 i.e. power-off enters complete dormant state.
GSM/GPRS module 200 waits for the arrival of the next wake-up period of RTC chip 322, treat that RTC chip 322 to wake-up period then, namely output low level is to metal-oxide semiconductor (MOS) effect transistor (metal-oxide-semiconductor), not only but also come new one and take turns and wake-sleep cycles up namely GSM/GPRS module 200 powers on, and RTC chip 322.
Further, wireless kilowatt meter reading-out system also comprises magnet-sensitive switch; Magnet-sensitive switch is used for Non-follow control GSM/GPRS module 200 duty; Magnet-sensitive switch comprises magnet and tongue tube D5, and magnet controls tongue tube D5.Magnet-sensitive switch is used for user and starts GSM/GPRS module 200.
User starts: control tongue tube (ReedSwitch) D5 control GSM/GPRS module 200 by magnet and wake up, realizes manual benefit and copies function or manual test.
After GSM/GPRS module 200 is provided with certain wake-up period, just the automatic cycle with setting carries out waking work up.But run into some water sometimes, the data of gas meter do not copy up in real time, or sometimes need to retest, just can not go the arrival waiting for its next cycle.User is now needed manually to wake GSM/GPRS module 200 up.When magnetic force is reduced to a certain degree, contact is opened by the elastic force of reed.
User can control tongue tube D5 by magnet, when permanent magnet is near tongue tube D5 or when making reed magnetize around the magnetic field that the coil electricity on tongue tube D5 is formed, the contact part of reed D5 will be magnetically attracted, when attractive force is greater than the elastic force of reed, normal opened contact will adhesive, thus input low level is to metal-oxide-semiconductor, namely GSM/GPRS module 200 powers on, register after the success of GSM/GPRS network until GSM/GPRS module 200, namely 2.8V-3.3V voltage is inputted to VCC (PIN14), water, namely gas meter single-chip microcomputer 110 powers on, power in 100-300 millisecond (ms) and namely send water by TTL to GSM/GPRS module 200, gas meter data, if GSM/GPRS module 200 is configured to SMSModem pattern, then GSM/GPRS module 200 is that is automatic controls number by short message sending to center by data, i.e. short message terminal, if when GSM/GPRS module 200 is configured to DTU pattern, namely automatic data are sent to server by GPRS network.
After being sent, namely GSM/GPRS module 200 reads the configuration of RTC chip 322 by I2C, if the cycle is inconsistent in its wake-up period and GSM/GPRS module 200, then reconfigure wake-up period, interruption is removed to RTC chip 322 again by I2C, now, RTC chip 322 exports high level to metal-oxide-semiconductor, GSM/GPRS module 200 i.e. power-off.If its wake-up period is consistent with the cycle in GSM/GPRS module 200, then remove directly to RTC chip 322 and interrupt, RTC chip 322 exports high level to metal-oxide-semiconductor, and GSM/GPRS module 200 i.e. power-off, enters dormant state.
GSM/GPRS module 200 uses two parameters: note destination number and data bits cycle, and these two parameters use " the center control number " and " heart beat cycle " of original configuration software to replace respectively.Cycle, unit was: sky, and default (system default) is 7 days.
GSM/GPRS module 200 and RTC chip 322 are worked in coordination, when 200 dormancy of GSM/GPRS module, only RTC chip 322 is in running order, RTC chip 322 working current is 400 receive peace (nA), adds whole GSM/GPRS module 200 power consumptions 1.23 ~ 1.25 microamperes (uA) when dormant state such as other resistance capacitance.When the lithium battery power supply of 2800mAh, whole 200 1 week of GSM/GPRS module wakes up once (checking meter once), can use 26 years.Can meet electricity completely, water, gas meter, flow meter battery of checking meter uses the requirement of 6 ~ 10 years.
Further, the pin also comprising the PIN1 power pins of SIM chip 210, SIM chip, PIN2 reset pin, PIN3 (VPP) and PIN6 input and output pin in the module of GSM/GPRS described in Fig. 2 200 corresponding with chip KB601Q respectively connects.SIM chip 210 does not adopt traditional SIM card in the present embodiment, and adopts up-to-date M2MUICC chip, and what efficiently avoid that traditional SIM card occurs in Long-Time Service causes the shortcomings such as loose contact because of oxidation, vibration etc.
The method for designing of GSM/GPRS module 200 is embedded OPENCPU method for designing of increasing income, and program operates in inside modules, and without the need to other MCU hardware.Such design cost is lower, a GSM/GPRS module dozens of yuan, can meet water completely, cost requirement that gas meter is checked meter.
No matter GSM/GPRS module 200 is adopt GPRS to check meter, or SMS messaging is checked meter, and communication link is directly single, and because mobile network covers extensively, can not affect by environment etc., stability is high.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. an instrument end device, comprises acquisition module, wireless transport module and transmission control module;
Described acquisition module is used for and Instrument connection, obtains the real time data of instrument;
Described wireless transport module is connected with acquisition module, operationally reads described real time data from acquisition module, and sends to data terminal;
Described transmission control module is connected with wireless transport module, for periodically controlling wireless transport module work and dormancy.
2. instrument end device according to claim 1, is characterized in that, described transmission control module comprises for the clock unit of periodic interruptions output and the switch element for controlling wireless transport module work and dormancy; Described switch element is connected with clock unit, wireless transport module respectively.
3. instrument end device according to claim 2, is characterized in that, described clock unit comprises real-time timepiece chip; Described switch element comprises the control circuit of metal-oxide semiconductor (MOS) effect transistor.
4. instrument end device according to claim 2, is characterized in that, described switch element also comprises magnet-sensitive switch; Described magnet-sensitive switch is used for Non-follow control wireless transport module duty; Described magnet-sensitive switch comprises magnet and tongue tube, and described magnet controls described tongue tube.
5. instrument end device according to claim 1, is characterized in that, described acquisition module comprises single-chip microcomputer, and described single-chip microcomputer is connected with wireless transport module.
6. instrument end device according to claim 1, is characterized in that, described wireless transport module is GSM/GPRS module, and the model of described GSM/GPRS module is: KB601Q.
7. instrument end device according to claim 6, is characterized in that, described wireless transport module also comprises SIM chip, described SIM chip and described GSM/GPRS model calling.
8. instrument end device according to claim 6, is characterized in that, the transmission mode of described GSM/GPRS module comprises GSM network pattern and GPRS network pattern.
9. a wireless kilowatt meter reading-out system, comprises instrument end device, instrument and the data terminal in the claims 1-8 described in any one, and described instrument end device and Instrument connection, for the data of acquisition instrument; Described data terminal wirelessly communicates to connect with instrument end device, the data that receiving instrument end device sends.
10. wireless kilowatt meter reading-out system according to claim 9, is characterized in that, described data terminal comprises the short message terminal for receiving SMS message transmission and the terminal server for receiving internet transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520670250.6U CN205080729U (en) | 2015-08-31 | 2015-08-31 | Instrument end device and wireless meter reading system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520670250.6U CN205080729U (en) | 2015-08-31 | 2015-08-31 | Instrument end device and wireless meter reading system |
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| CN205080729U true CN205080729U (en) | 2016-03-09 |
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| CN201520670250.6U Expired - Fee Related CN205080729U (en) | 2015-08-31 | 2015-08-31 | Instrument end device and wireless meter reading system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |