CN209265686U - Acquisition device based on NB-IOT - Google Patents
Acquisition device based on NB-IOT Download PDFInfo
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- CN209265686U CN209265686U CN201920150932.2U CN201920150932U CN209265686U CN 209265686 U CN209265686 U CN 209265686U CN 201920150932 U CN201920150932 U CN 201920150932U CN 209265686 U CN209265686 U CN 209265686U
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- 230000006854 communication Effects 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 23
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- SOZVEOGRIFZGRO-UHFFFAOYSA-N [Li].ClS(Cl)=O Chemical compound [Li].ClS(Cl)=O SOZVEOGRIFZGRO-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005621 ferroelectricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a kind of acquisition devices based on NB-IOT, the clock circuit and storage circuit being connected including master chip and respectively with master chip, it further include the acquisition module and communication module being connected with the master chip, the acquisition module is used to realize the acquisition of data with instrument communication connection, the communication module, which is used to be connected with server, realizes the upload of acquisition data, it is characterized by: the communication module includes the NB module being connected with master chip, the acquisition module includes the mbus module being connected respectively with the master chip and RS485 module；The acquisition device further includes battery module, boost module, Voltage stabilizing module and power supply circuit.The utility model uses NB module, overcomes the problems such as traditional reading technique power consumption is high, transmission range is close, ability through walls is weak, is particularly suitable for the remote districts in power supply is difficult, cannot continuously power region and network signal covering power difference.
Description
Technical field
The utility model relates to a kind of acquisition devices that instrumented data acquisition is carried out by NB-IOT network implementations.
Background technique
With the development of Internet of Things, wireless long-distance meter-reading system is used widely.Current long-distance meter-reading system is main
Using wireless communication techniques such as ZigBee or WiFi, that there are power consumptions is high for these technologies, transmission range is close, ability through walls is weak etc. is asked
Topic, under some particular surroundings, such as power difficult, network signal coverage rate difference region, cannot achieve truly remote
Journey is intelligent.Although the LORA wireless module occurred later solves problem above, but because LORA equipment and network were disposed
It is more, it will appear certain spectral interference between each other, and equipment is excessively dispersed, meter reading is not convenient enough, leads to collector cost
It is excessively high, it is unable to get extensive use.
Utility model content
The utility model proposes a kind of novel acquisition device based on NB-IOT, the purpose is to: solve tradition acquisition dress
Set the weak and at high cost problem of existing power consumption height, limited transmission distance, signal.
Technical solutions of the utility model are as follows:
A kind of acquisition device based on NB-IOT, the clock circuit being connected including master chip and respectively with master chip and
Storage circuit further includes the acquisition module and communication module being connected with the master chip, and the acquisition module is used for and instrument
For communication connection to realize the acquisitions of data, the communication module, which is used to be connected with server, realizes the upload of acquisition data, institute
Stating communication module includes the NB module being connected with master chip, and the acquisition module includes being connected respectively with the master chip
Mbus module and RS485 module；
The acquisition device further includes battery module, boost module, Voltage stabilizing module and power supply circuit；
The battery module is connected by the boost module with the mbus module；
The battery module also passes through the Voltage stabilizing module and is connected with the master chip；
The battery module is also connected by the power supply circuit with the NB module.
Further improvement as the device: further including the first power shutdown circuit, and the master chip passes through the first power supply
Breaking circuit is connected to realize the control to mbus module power-on time with the boost module.
Further improvement as the device: further including second source breaking circuit, and the master chip passes through second source
Breaking circuit is connected to realize the control to the NB module for power supply time with the power supply circuit.
Compared with the existing technology, the utility model has the positive effect that: (1) the utility model uses NB module,
NB-IOT has the superiority such as low in energy consumption, wide covering, high-throughput, overcome traditional reading technique power consumption is high, transmission range closely,
The problems such as ability through walls is weak, is particularly suitable for power supply is difficult, cannot continuously power region and network signal covering power is poor
Remote districts；(2) lithium battery module centrally connected power supply is used, long service life is stable, and it is easy to maintain, it is at low cost；(3)
The runing time that can control mbus module and NB module by power shutdown circuit, reduces battery loss, further extends
Service life, improves cruising ability；(4) multiple communication modes such as MBUS, RS485 are supported, has wide range of applications, water can be copied
A plurality of types of equipment such as table, hotlist, ammeter.
Detailed description of the invention
Fig. 1 is the topological structure schematic diagram of the utility model.
Fig. 2 is the schematic diagram of master chip.
Fig. 3 is the circuit diagram of boost module.
Fig. 4 is the circuit diagram of mbus module.
Fig. 5 is the circuit diagram of Voltage stabilizing module.
Fig. 6 is the circuit diagram of the first power shutdown circuit.
Fig. 7 is the circuit diagram of second source breaking circuit.
Fig. 8 is the circuit diagram of RS485 module.
Fig. 9 is the circuit diagram of storage circuit.
Figure 10 is the circuit diagram of clock circuit.
Specific embodiment
The technical solution that according to the present invention will be described in detail below with reference to the accompanying drawings:
Such as Fig. 1, a kind of acquisition device based on NB-IOT, be connected including master chip 1 and respectively with master chip 1 when
Clock circuit 10 and storage circuit 11.
Such as Fig. 2, the present embodiment, as master chip 1, uses 16 reduced instruction set computers using MSP430F5438A
(RISC) framework has four groups of common serial communication interfaces (USCI), FLASH and RAM capacity is big, increases heat convenient for the later period
Table type, and have characteristics that low supply voltage range is that 3.6V is arrived down to 1.8V, super low-power consumption, have house dog with
Supply monitor has the function of flexible power-supply management system (have supply voltage supervision, monitoring and temporarily ration the power supply), completely
RAM is kept, and has fast wake-up function (being 2.1 μ A(representative values when being 1.7 μ A, 3.0V when 2.2V)), have low-power consumption
Oscillator (VLO), phaselocked loop (FLL) control loop and low frequency the finishing internal reference source for frequency stabilization
(REFO), the low dropout voltage regulator (LDO) of built-in programmable, has 2 analog-digital converters (ADC), and hardware multiplier is supported
32 bit arithmetics are supported to program on serial plate, are not necessarily to external programming voltage, have DMA inside triple channel, have RTC characteristic
Basic timer.
Such as Figure 10, clock circuit 10 uses low-power consumption RTC chip BL5372, stand-by power consumption 400nA, supports IIC communication.
Such as Fig. 9, storage circuit 11 uses ferroelectricity FM24V10, can be reserved for 384 historical datas.
Such as Fig. 1, acquisition device further includes the acquisition module and communication module being connected with the master chip 1, the acquisition
Module is used to realize the acquisition of data with instrument communication connection, and the communication module is for the realization acquisition that is connected with server
The upload of data.
The communication module includes the NB module 7 being connected with master chip.
The M5310 module that Internet of Things are moved in 7 use of NB module, designs with reference to typical circuit, is designed to the mode of platelet
Convenient for debugging and replacing telecommunication network.NB module 7 is connect by base station with server, and collected data are sent to server.
NB-IOT technology downlink uses OFDMA, and uplink uses SC-FDMA modulation-demodulation technique, has the re-transmission that can retransmit 200 times or so
Mechanism greatly improves accuracy of the data in acquisition process.
The communication module includes the mbus module 4 being connected respectively with the master chip 1 and RS485 module 12.
Such as Fig. 4, the mbus module 4 uses small load circuit, meter reading operation is steady for connecting MBUS water meter and hotlist
It is fixed.
Such as Fig. 8, the RS485 module 12 is used to connect the RS485 circuit of RS485 instrument or palm PC, selects
MAX3471 low-power consumption communication chip, supports downlink meter reading, and uplink communication parameter configuration exports log.
Such as Fig. 1, the acquisition device further includes battery module 2, boost module 3, Voltage stabilizing module 5 and power supply circuit 6.
The battery module 2 uses large capacity 3.6V lithium thionyl chloride cell, and plug design is convenient for changing, copies twice daily
Table upload can be used 6 years, and multiple groups battery plug is arranged, and can extend battery capacity according to customer requirement.
Battery exports three-way power:
The battery module 2 is connected by the boost module 3 with the mbus module 4；Such as Fig. 3, the boosting mould
Block 3 uses TPS55340 chip, and operating current is small, and starting speed is fast；Boost module 3 will be MBUS mould after 3.6V direct current electric boost
Block 4 is powered；
The battery module 2 is also connected by the Voltage stabilizing module 5 with the master chip 1；Such as Fig. 5, the pressure stabilizing mould
Block 5 is based on MD7533H chip, is that master chip 1 is powered by 3.6V voltage pressure stabilizing to 3.3V；
The battery module 2 is also connected by the power supply circuit 6 with the NB module 7, and the power supply circuit 6 is
Metal-oxide-semiconductor.
Acquisition device further includes the first power shutdown circuit 8 as shown in FIG. 6, and the master chip 1 is closed by the first power supply
Deenergizing 8 is connected to realize the control to 4 power-on time of mbus module with the boost module 3, reduces current drain；First
The port P9.1 of the control switch signal connection master chip 1 of power shutdown circuit 8.
Acquisition device further includes second source breaking circuit 9 as shown in Figure 7, and the master chip 1 is closed by second source
Deenergizing 9 is connected to realize to 7 power-on time of NB module, the control of second source breaking circuit 9 with the power supply circuit 6
The port P6.7 of switching signal connection master chip 1.
The acquisition device further includes the voltage collection circuit 13 being connected with the master chip 1, described for monitoring electricity
The electricity of pond module 2.
The present apparatus uses wall mounted versions, volume is light and handy, it is easy for installation, using simple；And it is built-in more than 200 seed types
Calorimeter agreement, support mixing meter reading.
After this acquisition device builds stable, safe, highly reliable bidirectional communication network by Intelligent internet of things remote argon plasma,
Water, electricity and gas company can realize real-time meter reading, on-line monitoring, real-time control, Realtime Alerts, the in real time functions such as analysis, can effectively subtract
Few human input improves efficiency of operation, provides more targetedly and scientific dynamic management, effectively improve using energy source and
Management level.
Claims (3)
1. a kind of acquisition device based on NB-IOT, the clock electricity that is connected including master chip (1) and respectively with master chip (1)
Road (10) and storage circuit (11) further include the acquisition module and communication module being connected with the master chip (1), the acquisition
Module is used to realize the acquisition of data with instrument communication connection, and the communication module is for the realization acquisition that is connected with server
The upload of data, it is characterised in that: the communication module includes the NB module (7) being connected with master chip, the acquisition module
Including the mbus module (4) being connected respectively with the master chip (1) and RS485 module (12)；
The acquisition device further includes battery module (2), boost module (3), Voltage stabilizing module (5) and power supply circuit (6)；
The battery module (2) is connected by the boost module (3) with the mbus module (4)；
The battery module (2) is also connected by the Voltage stabilizing module (5) with the master chip (1)；
The battery module (2) is also connected by the power supply circuit (6) with the NB module (7).
2. as described in claim 1 based on the acquisition device of NB-IOT, it is characterised in that: further include the first power shutdown circuit
(8), the master chip (1) is connected by the first power shutdown circuit (8) with the boost module (3) to realize to MBUS mould
The control of block (4) power-on time.
3. as claimed in claim 1 or 2 based on the acquisition device of NB-IOT, it is characterised in that: further include second source shutdown
Circuit (9), the master chip (1) are connected by second source breaking circuit (9) with the power supply circuit (6) to realize to NB
The control of module (7) power-on time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150932.2U CN209265686U (en) | 2019-01-29 | 2019-01-29 | Acquisition device based on NB-IOT |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920150932.2U CN209265686U (en) | 2019-01-29 | 2019-01-29 | Acquisition device based on NB-IOT |
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| CN209265686U true CN209265686U (en) | 2019-08-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111192446A (en) * | 2019-12-31 | 2020-05-22 | 国网北京市电力公司 | Remote meter reading system |
| CN111223282A (en) * | 2019-12-03 | 2020-06-02 | 深圳汉光电子技术有限公司 | Wireless transmission device for automatic acquisition |
-
2019
- 2019-01-29 CN CN201920150932.2U patent/CN209265686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111223282A (en) * | 2019-12-03 | 2020-06-02 | 深圳汉光电子技术有限公司 | Wireless transmission device for automatic acquisition |
| CN111192446A (en) * | 2019-12-31 | 2020-05-22 | 国网北京市电力公司 | Remote meter reading system |
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