CN207251681U - Prepaid wireless remote transmitting water meter - Google Patents
Prepaid wireless remote transmitting water meter Download PDFInfo
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- CN207251681U CN207251681U CN201721327446.0U CN201721327446U CN207251681U CN 207251681 U CN207251681 U CN 207251681U CN 201721327446 U CN201721327446 U CN 201721327446U CN 207251681 U CN207251681 U CN 207251681U
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- lora
- terminal
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- water meter
- wireless remote
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model belongs to low-power consumption spread spectrum technic field, and in particular to a kind of water meter of achievable Wireless remote control；Concrete technical scheme is：Prepaid wireless remote transmitting water meter, the LoRa terminal nodes being connected including LoRa gateways and with LoRa gateways, it is connected respectively with LoRa receiving modules and LTE module on the micro-control unit of LoRa gateways, LTE module is connected by the Internet module with high in the clouds data server, the terminal MCU of LoRa terminal nodes respectively with counter, motor controller is connected with LoRa terminal modules, motor is connected with sealing mechanical part, LoRa terminal modules and LoRa receiving module wireless connections, LoRa gateways are used to water consumption is detected and measured with LoRa receiving modules, when surplus water usage data is zero, user is stopped supplying water by controlling motor and sealing mechanical part, realize the Wireless remote control of water meter.
Description
Technical field
The utility model belongs to low-power consumption spread spectrum technic field, is related to a kind of data acquisition applied to wireless communication
A kind of equipment, and in particular to water meter of achievable Wireless remote control.
Background technology
With the rapid development of Internet of Things and wireless communication technique, people are inseparable with information network, channel radio
Letter plays an increasingly important role in people's lives, and low-power consumption, micromation are users to Current wireless communication product
The especially strong request of portable product.The low-power consumption of inexpensive, relatively other wireless communication techniques of short-distance wireless communication,
And its peer-to-peer communications feature etc. has adapted to the demand of the convenient information transmission of rapid development.In technology, cost, reliability and can be real
Under considering with each side such as property, low-power consumption long-distance radio communication technology becomes the heat of current communications field research
Point.
There are mechanical water meter, the contactless valve control water meter of IC contacts, wired collection of various agreements to copy water meter on Vehicles Collected from Market
With conventional radio frequency radio remote transmitting water meter etc., but current all kinds of water meters the main problems are as follows：
Meter reading method falls behind：Mechanically remote automatic meter reading can not be realized with IC card water meter, need to consume substantial amounts of manpower thing
Power, also leaves space for the grey operation of meter reading personnel.Wired collection mode of copying needs largely to connect up, and easily occurs in use
Broken string and the failure such as loose contact, need in cell the concentrator quantity arranged more, it is assumed that a concentrator load 256（It has been
Peak load）Block table, the cell of a thousands of people need tens concentrators, cause installation cost height, operation communication cost
Expensive, complex management.Although conventional wireless water meter solves wiring problem, but communication distance is near, it is necessary to which substantial amounts of gateway is with
After so that during the product occurred as soon as before the more than ten years is tested also in small range till now.
Communication distance is near：Wired collection is copied due to bus characteristics, can not long-distance data transmission, concentrator can only copy and accept this building
Water meter, conventional wireless water meter signal most multipotency penetrate 6 floor plates, and spacious distance farthest can only achieve 1.2 kilometers.
Power consumption is high：It is wired integrate the mode of copying need as concentrator provide 220V power supply, radio meter register emission current 30mA with
On.
Utility model content
Carried to solve high power consumption existing for existing water meter, high cost and the near technical problem of transmission range, the utility model
A kind of radio remote transmitting water meter applied in wisdom water utilities, of low cost, small power consumption, long transmission distance, water meter use are supplied
LoRa low-power consumption spread spectrum technic and LoRa gateway interactive information, complete the work cut off the water water meter charging and the cost overruns that prestore
Make task.
To achieve the above object, technical solution is used by the utility model：Prepaid wireless remote transmitting water meter, including
LoRa gateways and the LoRa terminal nodes being connected with LoRa gateways, LoRa gateways are transmitted with LoRa terminal nodes into row information.
LoRa gateways include micro-control unit, and the R ports, T-port on micro-control unit pass through data cable and LoRa is received
Module connects, and LoRa receiving modules and multiple LoRa terminal nodes wireless connections, A ports, the B ports of micro-control unit pass through number
It is connected according to line with LTE module, LTE module is connected by the Internet module with high in the clouds data server.LoRa receiving modules receive
Data from multiple LoRa terminal nodes, LoRa receiving modules send data to the Internet module, high in the clouds data clothes successively
Be engaged in device, high in the clouds data server by the data feedback of loopback to micro-control unit, micro-control unit to echo back data at
After reason, then by LoRa receiving modules echo back data is broadcast away.
LoRa terminal nodes include terminal MCU, and the DI ports of terminal MCU are connected with counter, the DO ports of terminal MCU with
Controller connection on motor, motor are connected with sealing mechanical part, and terminal MCU is also connected by data cable and LoRa terminal modules
Connect, LoRa terminal modules and LoRa receiving module wireless connections.
Counter is used for detecting water consumption, terminal MCU statistical counting data, and water usage data is calculated, water consumption
Data are sent to LoRa gateways by LoRa terminal modules, and LoRa gateways carry out error checking and correction and integrality to water usage data
Detection, and revised partial data is transmitted to high in the clouds data server, high in the clouds data server is calculated according to the expense that prestores
Go out surplus water consumption and LoRa terminal nodes are passed back to by LoRa gateways, when surplus water usage data is zero, pass through control
Motor and sealing mechanical part user is stopped supplying water.
Wherein, as preference, LoRa receiving modules are communicated by LoRaWAN with multiple LoRa terminal nodes, use
LoRa spread spectrum technics, farthest communication distance 3-10 kilometers reachable, multiple between LoRa gateways and LoRa terminal nodes
Stelliform connection topology configuration is used between LoRa terminal nodes and LoRa gateways, meanwhile, LoRa terminal nodes can be in different gateways
Between seamless roam communicate, using this communication pattern, delay is small, preferably improves real-time communication.
LoRa gateways use low power dissipation design, using 18650 ferric phosphate battery powered of single-unit, built-in superpower dormancy mechanism,
Sleep current can as low as 10 uA grades, and a section 2300MA batteries can use 1-2.
LTE module is connected by 2G/3G/4G communication networks with the Internet module, relative to traditional physical communication, communication
Distance is remote, and communication equipment is few, and without configuring powerful electric power system, maintenance cost is low.
Micro-control unit is connected by receiving terminal spi bus with LoRa receiving modules, and receiving terminal spi bus is a kind of high
Speed, full duplex, the communication bus of synchronization, arrangement space are small.
Micro-control unit is connected by UART with LTE module, and UART is a kind of asynchronous receiving-transmitting transmitter, what it will be transmitted
Data are changed between serial communication and parallel communications, and two-way signaling is realized between micro-control unit and LTE module
Transmission.
Wherein, as preference, micro-control unit is 32 micro-control units.
Terminal MCU is connected by terminal spi bus with LoRa terminal modules, and terminal spi bus is a kind of high speed, Quan Shuan
Work, synchronous communication bus, arrangement space are small.
The utility model compared with prior art, specifically has the beneficial effect that：
Low cost：Four collection of the utility model integrated data, data processing, data transfer and electronic control parts, make
The task of water metering, water usage data transmission and management of the use of water can be completed with an equipment.LoRa terminal nodes with
LoRa gateway composite entities system utilizes LoRa spread spectrum technics, realizes LoRa terminal nodes and high in the clouds data server
Data interaction.For the utility model by LoRa gateway accessings internet, each LoRa gateways can access up to 5000 LoRa
Terminal node, it is only necessary to which a linking Internet passage, has largely saved product allocation cost, with traditional approach phase
Than drastically increasing work efficiency.
Telecommunication：The utility model uses LoRa spread spectrum technics, between LoRa terminal nodes and LoRa gateways
Farthest communication distance 3-10 kilometers reachable, uses stelliform connection topology configuration, together between multiple LoRa terminal nodes and LoRa gateways
When, LoRa terminal nodes seamless roam can communicate between obstructed LoRa gateways, be delayed using this communication pattern small, more preferably
Ground improves real-time communication.
Low-power consumption：The utility model uses low power dissipation design, built-in superpower using 18650 ferric phosphate battery powered of single-unit
Dormancy mechanism, sleep current can be as low as 10uA grades, and a section 2300MA batteries can use 5-10.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of LoRa terminal nodes in Fig. 1.
Fig. 3 is the components' placement figure of LoRa terminal nodes.
In figure, 1 is LoRa gateways, and 2 be LoRa terminal nodes, and 11 be micro-control unit, and 12 be LoRa receiving modules, and 13 are
LTE module, 14 be the Internet module, and 15 be high in the clouds data server, and 16 be receiving terminal spi bus, and 21 be terminal MCU, and 22 are
Counter, 23 be motor, and 24 be water cutting off machine tool component, and 25 be LoRa terminal modules, and 26 be terminal spi bus, and 101 be substrate,
102 be LoRa antennas, and 103 be power supply string holes, and 104 be threaded hole, and 105 is count string holes, and 106 be motor string holes, and 107 be periphery
Control circuit.
Embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, are further elaborated the utility model.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
As shown in Figs. 1-2, prepaid wireless remote transmitting water meter, including LoRa gateways 1 and the LoRa that is connected with LoRa gateways 1 it is whole
End node 2, LoRa gateways 1 are transmitted with LoRa terminal nodes 2 into row information.
LoRa gateways 1 include micro-control unit 11, and the R ports, T-port on micro-control unit 11 pass through data cable and LoRa
Receiving module 12 connects, LoRa receiving modules 12 and multiple 2 wireless connections of LoRa terminal nodes, the A ports of micro-control unit 11,
B ports are connected by data cable with LTE module 13, and LTE module 13 is connected by the Internet module 14 and high in the clouds data server 15
Connect.LoRa receiving modules 12 receive the data from multiple LoRa terminal nodes 2, and LoRa receiving modules 12 send data successively
To the Internet module 14, high in the clouds data server 15, high in the clouds data server 15 is by the data feedback of loopback to micro-control unit
In 11, after micro-control unit 11 handles echo back data, then by LoRa receiving modules 12 echo back data is broadcast away.
LoRa terminal nodes 2 include terminal MCU21, and the DI ports of terminal MCU21 are connected with counter 22, terminal MCU21
DO ports be connected with the controller on motor 23, motor 23 is connected with sealing mechanical part 24, and terminal MCU21 also passes through data
Line is connected with LoRa terminal modules 25, LoRa terminal modules 25 and 12 wireless connection of LoRa receiving modules.
Counter 22 is used for detecting water consumption, terminal MCU21 statistical counting data, and water usage data is calculated, and uses
Water data are sent to LoRa gateways 1 by LoRa terminal modules 25, and LoRa gateways 1 carry out error checking and correction to water usage data
And integrity detection, and revised partial data is transmitted to high in the clouds data server 15,15 basis of high in the clouds data server
The expense of prestoring calculates surplus water consumption and is passed back to LoRa terminal nodes 2 by LoRa gateways 1, when surplus water usage data is
When zero, user is stopped supplying water by controlling motor 23 and sealing mechanical part 24.
As shown in figure 3, LoRa terminal nodes 2 further include substrate 101, micro-control unit 11 and outer is disposed with substrate 101
Control circuit 107 is enclosed, multiple threaded holes 104, multiple counting string holes 105, multiple motor string holes 106 and more are provided with substrate 101
A power supply string holes 103, the side of substrate 101 are equipped with LoRa antennas 102.
Use Lora spread spectrum technics between LoRa gateways 1 and LoRa terminal nodes, which has low-power consumption, remote
Distance Transmission feature.Multinode communication is preferably realized using LoRaWAN agreements, gateway is integrated with 8 passage wireless receivers,
Better assure that the stability of data receiver.Wireless receiver by the such receiver of spread spectrum 125kHz band
Width is lower to use the sensitivity for being approached -140dBm.Compared with FSK systems, this new spread spectrum mode improves in sensitivity
30dB, so that same communication distance transmission power will reduce, it is achieved thereby that the communication of low-power consumption long range.
The utility model makees main controller using 32 MCU of STM32L052 low-power consumption, embeds LoRaWAN wireless communication protocols,
Have signal collision testing mechanism, can adaptation rate, have superpower anti-interference mechanism in face of complex environment.The utility model is certainly
With ack signal confirmation, the reliability requirement of communication has effectively been ensured.Transmission power is automatic according to the RISS values of communication distance
Adjustment, effectively meets the requirement of low power loss communication.Superpower dormancy mechanism, sleep current can be as low as built in the utility model
10uA grades, 1 batteries 3000mAh phosphoric acid iron cell uses 5-10 for node.
A unique ID code is equipped with each utility model to identify, server identifies product position by ID codes
Put, in addition, interiors of products is integrated with the flash storage of 8Mbyte, gathered data can be recorded, and product can be transported
Row parameter does log recording.
Wherein, as preference, LoRa receiving modules 12 are communicated by LoRaWAN with multiple LoRa terminal nodes 2, use
LoRa spread spectrum technics, farthest communication distance 3-10 kilometers reachable, multiple between LoRa gateways 1 and LoRa terminal nodes 2
Stelliform connection topology configuration is used between LoRa terminal nodes 2 and LoRa gateways 1, meanwhile, LoRa terminal nodes 2 can be in different nets
Seamless roam communicates between pass, and using this communication pattern, delay is small, preferably improves real-time communication.
LTE module 13 is connected by 2G/3G/4G communication networks with the Internet module 14, relative to traditional physical communication,
Communication distance is remote, and communication equipment is few, and without configuring powerful electric power system, maintenance cost is low.
Micro-control unit 11 is connected by receiving terminal spi bus 16 with LoRa receiving modules 12, receiving terminal spi bus 16
It is a kind of high speed, full duplex, the communication bus of synchronization, arrangement space is small.
Micro-control unit 11 is connected by UART with LTE module 13, and UART is a kind of asynchronous receiving-transmitting transmitter, it will be passed
Defeated data are changed between serial communication and parallel communications, and are realized between micro-control unit 11 and LTE module 13
Two-way signaling transmits.
Wherein, as preference, micro-control unit 11 is 32 micro-control units 11.
Terminal MCU21 is connected by terminal spi bus 26 with LoRa terminal modules 25, and terminal spi bus 26 is a kind of high
Speed, full duplex, the communication bus of synchronization, arrangement space are small.
The utility model make use of LoRa spread spectrum technics, realize collection of the terminal data to high in the clouds, LoRa terminals
Node 2 accesses internet by LoRa gateways 1, and each LoRa gateways 1 can access up to 5000 LoRa terminal nodes 2, only
A linking Internet passage is needed, has largely saved cost, operation only needs the common adsl line of thousand yuan of a treaty
Or the expense of intelligent acess.
LoRa gateways 1 are using spread spectrum radio communication technology farthest up to 3-10 kilometers of communication away from 2 He of LoRa terminal nodes
Stelliform connection topology configuration is used between LoRa gateways 1, meanwhile, LoRa terminal nodes 2 can be seamless between different LoRa gateways 1
Roaming communication.It is delayed using this communication pattern small, preferably improves system real-time communication requirement.
The utility model uses low power dissipation design, and using 18650 ferric phosphate battery powered of single-unit, a section 2300MA batteries can
To use 5-10, compared with existing many equipment share 220V power supplys, ten times of lower power consumption, or even hundred times.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should all wrap in the utility model model
In enclosing.
Claims (7)
1. prepaid wireless remote transmitting water meter, it is characterised in that including LoRa gateways（1）With with LoRa gateways（1）The LoRa of connection
Terminal node（2）；
The LoRa gateways（1）Including micro-control unit（11）, micro-control unit（11）On R ports, T-port pass through data cable
With LoRa receiving modules（12）Connection, LoRa receiving modules（12）With multiple LoRa terminal nodes（2）Wireless connection, microcontroller list
Member（11）A ports, B ports pass through data cable and LTE module（13）Connection, LTE module（13）Pass through the Internet module（14）
With high in the clouds data server（15）Connection；
The LoRa terminal nodes（2）Including terminal MCU（21）, terminal MCU（21）DI ports and counter（22）Connection, eventually
Hold MCU（21）DO ports and motor（23）On controller connection, motor（23）With sealing mechanical part（24）Connection, terminal
MCU（21）Also pass through data cable and LoRa terminal modules（25）Connection, LoRa terminal modules（25）With LoRa receiving modules（12）
Wireless connection.
2. prepaid wireless remote transmitting water meter according to claim 1, it is characterised in that the LoRa receiving modules（12）It is logical
Cross LoRaWAN and multiple LoRa terminal nodes（2）Communication.
3. prepaid wireless remote transmitting water meter according to claim 2, it is characterised in that the LTE module（13）Pass through 2G/
3G/4G communication networks and the Internet module（14）Connection.
4. prepaid wireless remote transmitting water meter according to claim 3, it is characterised in that the micro-control unit（11）Pass through
Receiving terminal spi bus（16）With LoRa receiving modules（12）Connection.
5. prepaid wireless remote transmitting water meter according to claim 4, it is characterised in that the micro-control unit（11）Pass through
UART and LTE module（13）Connection.
6. prepaid wireless remote transmitting water meter according to claim 5, it is characterised in that the micro-control unit（11）For 32
Position micro-control unit（11）.
7. prepaid wireless remote transmitting water meter according to claim 6, it is characterised in that the terminal MCU（21）Pass through end
Hold spi bus（26）With LoRa terminal modules（25）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721327446.0U CN207251681U (en) | 2017-10-16 | 2017-10-16 | Prepaid wireless remote transmitting water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721327446.0U CN207251681U (en) | 2017-10-16 | 2017-10-16 | Prepaid wireless remote transmitting water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251681U true CN207251681U (en) | 2018-04-17 |
Family
ID=61891281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721327446.0U Active CN207251681U (en) | 2017-10-16 | 2017-10-16 | Prepaid wireless remote transmitting water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335451A (en) * | 2019-06-11 | 2019-10-15 | 厦门骐俊物联科技股份有限公司 | Intelligent gas LoRaWAN gateway data acquisition device and method |
-
2017
- 2017-10-16 CN CN201721327446.0U patent/CN207251681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335451A (en) * | 2019-06-11 | 2019-10-15 | 厦门骐俊物联科技股份有限公司 | Intelligent gas LoRaWAN gateway data acquisition device and method |
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