CN207833686U - Monitoring water supply wireless acquisition terminal and monitoring water supply wireless acquisition system - Google Patents
Monitoring water supply wireless acquisition terminal and monitoring water supply wireless acquisition system Download PDFInfo
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- CN207833686U CN207833686U CN201721859233.2U CN201721859233U CN207833686U CN 207833686 U CN207833686 U CN 207833686U CN 201721859233 U CN201721859233 U CN 201721859233U CN 207833686 U CN207833686 U CN 207833686U
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Abstract
The utility model discloses a kind of monitoring water supply wireless acquisition terminal and monitoring water supply wireless acquisition system, the monitoring water supply wireless acquisition terminal of the utility model includes：Processor, water supply flow sensor, pressure of supply water sensor and NB IOT modules, the water supply flow sensor, the pressure of supply water sensor and the NB IOT modules are connected with the processor respectively, monitoring water supply wireless acquisition terminal in the utility model no longer uses GPRS technologies, but use NB IOT technologies, due to the covering gain of the high 20db of NB IOT signal ratio GPRS signals, signal penetration power is strong, and power consumption is also below GPRS technologies, when in water supply network being used in following table well, it is strong with signal penetration power, low in energy consumption and lower-cost advantage.
Description
Technical field
The utility model is related to monitoring water supply field, more particularly to a kind of monitoring water supply wireless acquisition terminal and monitoring water supply
Wireless acquisition system.
Background technology
As the rapid development of sociaty and economy, water supply network increasingly shows the effect of people's lives and production especially.It supplies at present
The wireless acquisition terminal of grid system substantially applies general packet radio service (General Packet Radio
Service, GPRS) technology.And wireless acquisition terminal is laid in mostly in ground following table well, and metal well lid can shield to a certain degree
GPRS signals can cause GPRS signals in table well weaker, and battery powered be needed, with GPRS skills without mains supply in table well
The wireless acquisition terminal power consumption of art is higher, and battery capacity is big, and not easy of integration, and cost is higher.Therefore being badly in need of one being capable of low work(
The monitoring water supply wireless acquisition terminal for consuming fast and stable acquisition water supply network signal applies the progress data in table well to adopt to meet
Collection.
The above is only used for auxiliary and understands the technical solution of the utility model, does not represent and recognizes that the above is existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of monitoring water supply wireless acquisition terminals, can be in nothing by NB-IOT modules
Quick Acquisition and temperature feedback water supply network data in the ground following table well of alternating current, solve and use GPRS technologies in the prior art
Wireless acquisition terminal power consumption and cost are higher, and the problem of can not accurately acquire water supply data.
To achieve the above object, the utility model provides a kind of monitoring water supply wireless acquisition terminal：
The monitoring water supply wireless acquisition terminal includes：Processor, water supply flow sensor, pressure of supply water sensor and
NB-IOT modules, the water supply flow sensor, the pressure of supply water sensor and the NB-IOT modules respectively with the place
Device is managed to be connected；
The water supply flow sensor is sent to for acquiring water supply flow information, and by the water supply flow information of acquisition
The processor；
The pressure of supply water sensor is sent to for acquiring pressure of supply water information, and by the pressure of supply water information of acquisition
The processor；
The processor, for the water supply flow information and pressure of supply water information is wireless by the NB-IOT modules
It is transmitted to server.
Preferably, the water supply flow sensor and the pressure of supply water sensor by agreement interconnecting device with it is described
Processor is connected.
Preferably, the NB-IOT modules are connected with the UART interface of the processor.
Preferably, the monitoring water supply wireless acquisition terminal further includes：Power supply, the power supply and the processor
POWER interfaces are connected.
Preferably, the power supply is lithium battery, the A/D interfaces and POWER interface phases of the lithium battery and the processor
Even.
Preferably, the monitoring water supply wireless acquisition terminal further includes：Memory, the memory and the processor
SPI interface is connected；
The memory, for storing the water supply flow information and the pressure of supply water information.
Preferably, the monitoring water supply wireless acquisition terminal further includes：Real-time clock, the real-time clock and the processing
The I2C interface of device is connected；
The real-time clock, for being timed prompting to the processor.
Preferably, the monitoring water supply wireless acquisition terminal further includes：Magnetic switch tongue tube, the magnetic switch tongue tube with
The WKUP interfaces of the processor are connected.
Preferably, the processor is MCU processor.
To achieve the above object, the utility model also provides a kind of monitoring water supply wireless acquisition system：
The monitoring water supply wireless acquisition system includes the base stations NB-IOT, server and at least one confession as described above
Water monitoring wireless acquisition terminal；
The base stations NB-IOT are wirelessly connected by the NB-IOT modules and the monitoring water supply wireless acquisition terminal；
The base stations NB-IOT are wirelessly connected with the server；
The water supply data of monitoring water supply wireless acquisition terminal acquisition are collected in the base stations NB-IOT, and by the water supply
Data transmission is to the server.
The monitoring water supply wireless acquisition terminal of the utility model includes：Processor, water supply flow sensor, pressure of supply water pass
Sensor and NB-IOT modules, the water supply flow sensor, the pressure of supply water sensor and the NB-IOT modules respectively with
The processor is connected, and the water supply flow sensor acquires water supply flow information, and the water supply flow information of acquisition is sent
To the processor, the pressure of supply water sensor acquires pressure of supply water information, and the pressure of supply water information of acquisition is sent to
The processor, the processor wirelessly pass the water supply flow information and pressure of supply water information by the NB-IOT modules
Server is transported to, the monitoring water supply wireless acquisition terminal in the utility model no longer uses GPRS technologies, but uses NB-IOT
Technology, due to the covering gain of the high 20db of NB-IOT signal ratio GPRS signals, signal penetration power is strong, and power consumption also below
GPRS technologies, in water supply network in use, having the advantages that signal penetration power is strong, low in energy consumption and lower-cost in following table well.
Description of the drawings
Fig. 1 is the hardware architecture diagram of the utility model monitoring water supply wireless acquisition terminal；
Fig. 2 is the hardware architecture diagram of the utility model monitoring water supply wireless acquisition system.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
A kind of monitoring water supply wireless acquisition terminal in the present embodiment, the monitoring water supply wireless acquisition terminal include：Processing
Device 10, water supply flow sensor 20, pressure of supply water sensor 30 and be based on cellular narrowband Internet of Things (Narrow Band
Internet of Things, NB-IOT) module 40, the water supply flow sensor 20,30 and of pressure of supply water sensor
The NB-IOT modules 40 are connected with the processor 10 respectively；
The water supply flow sensor 20 is sent for acquiring water supply flow information, and by the water supply flow information of acquisition
To the processor 10；
The pressure of supply water sensor 30 is sent for acquiring pressure of supply water information, and by the pressure of supply water information of acquisition
To the processor 10；
The processor 10, for by the water supply flow information and pressure of supply water information by the NB-IOT modules without
Line 40 is transmitted to server 02.
The present embodiment acquires the water supply flow information by the water supply flow sensor 20 and the pressure of supply water passes
Sensor 30 acquires pressure of supply water information, and the water supply flow information and the pressure of supply water information are sent to the processor
10, the processor 10 is transmitted to server 02 by the NB-IOT modules wireless 40 again, can realize water supply data information
Quick Acquisition and feedback, and wireless transmission water supply data are carried out as a result of the NB-IOT modules 40, relative to existing
The wireless acquisition terminal of some general packet radio service (General Packet Radio Service, GPRS) technologies, NB-
The covering gain of IOT ratio GPRS high 20db, is exaggerated multiple, and signal penetration power is stronger, can apply in the inside of ground following table well,
Reduce decrease of the metal well lid to signal indirectly, and 40 power consumption of NB-IOT modules that terminal integrates is relatively low, idle current
For 2mA, it is 5uA to save power consumption under dot pattern, and reception electric current is 5mA, emission current 100mA, if using the electricity of 4.2V/5AH
Successively, battery can use 5 years or so in the case of uniformly reporting within 1 hour, and existing using GPRS meters for pond acquisition in every 5 minutes
The acquisition terminal battery life of calculation is substantially less than 1 year, therefore the monitoring water supply wireless collection based on the NB-IOT modules 40 is whole
It holds power consumption relatively low, the service life of the battery of wireless acquisition terminal can be made to extend, be very suitable for applying and supplied in table well
The acquisition of water number evidence.
For the quicker and transmission water supply flow information that is stablizing and the pressure of supply water information, further,
The water supply flow sensor 20 and the pressure of supply water sensor 30 pass through agreement interconnecting device 50 and the processor phase
Even.The information of differing transmission protocols can be converted by the agreement interconnecting device 50, to realize quickly and stablize
The transmission water supply flow information and the pressure of supply water information.
In order to timely feedback the water supply flow information and the pressure of supply water information to the server 02, further
Ground, the NB-IOT modules 40 are connected with the UART interface of the processor 10；Pass through the universal asynchronous receipts of the processor 10
Sending out transmitter (Universal Asynchronous Receiver/Transmitter, UATT) interface can be with the NB-
IOT modules 40 realize stable connection, to using the NB-IOT modules 40 feature strong in table underground penetration, stablize fast
The water supply flow information and the pressure of supply water information are wirelessly transmitted to the server 02 by speed.
In order to be the processor 10, the water supply flow sensor 20, the pressure of supply water sensor 30 and the NB-
IOT modules 40 are powered, and further, the monitoring water supply wireless acquisition terminal further includes：Power supply 60, the power supply 60 with it is described
The power supply POWER interfaces of processor 10 are connected.It can be the processor 10, the water supply flow sensor to lead to the power supply 60
20, the pressure of supply water sensor 30 and the NB-IOT modules 40 provide the electric current surely put, and can be suitable for no alternating current
Table underground maintain the monitoring water supply wireless acquisition terminal water supply data acquisition.
Ensure the safe to use of power supply in order to prevent, further, the power supply 60 is lithium battery, the lithium battery and institute
The A/D interface and POWER interfaces for stating processor 10 are connected.The lithium battery can carry protection board；The processor 10 passes through
A/D interfaces acquire the information of voltage of the lithium battery.The power supply 60, which is lithium battery, can ensure the safe to use of power supply, and logical
Cross included protection board and can adapt to table underground work, effectively prevent lithium battery to overcharge, cross put with overcurrent, can
Controllable electric current is provided as the processor 10, the water supply flow sensor 20, the pressure of supply water sensor 30 and institute
The power supply of NB-IOT modules 40 is stated, and the processor 10 passes through analog-digital converter (Analog-Digital Converter, A/D)
Interface can acquire the information of voltage of the lithium battery, and then monitor the voltage status of the lithium battery in real time, work as battery undervoltage
When report prompting in time.
In order to record the water supply flow information and the pressure of supply water information, further, the monitoring water supply in real time
Wireless acquisition terminal further includes：Memory 70, the Serial Peripheral Interface (SPI) (Serial of the memory 70 and the processor 10
Peripheral Interface, SPI) interface be connected；The memory 70, for storing the water supply flow information and described
Pressure of supply water information.The water supply flow sensor 20 can be recorded in real time by the memory 70 acquires the water supply flow
Information and the pressure of supply water sensor 30 acquire pressure of supply water information, the water supply flow information of storage and described for hydraulic pressure
Force information by the NB-IOT modules 40 is transmitted to the server 02 after being arranged.
In order to be timed prompting to the processor 10 so that the processor 10 report the water supply flow information and
The pressure of supply water information, further, the monitoring water supply wireless acquisition terminal further includes：Real-time clock 80, it is described real-time
Twin wire universal serial bus (the Inter-Integrated of clock (Real-Time Clock, RTC) 80 and the processor 10
Circuit, I2C) interface be connected, the real-time clock 80, for being timed prompting to the processor 10.Pass through the reality
Shi Shizhong 80 can be timed prompting to the processor 10 so that the processor 10 report the water supply flow information and
The pressure of supply water information is to the server 02.
Configured to be used to wake up the monitoring water supply wireless acquisition terminal, further, the monitoring water supply without
Line acquisition terminal further includes：Magnetic switch tongue tube 90, the wake-up (Wake of the magnetic switch tongue tube 90 and the processor 10
Up, WKUP) interface be connected.It is connected with the WKUP interfaces of the processor 10 by the magnetic switch tongue tube 90, can be passed through
Wake-up configuration is carried out to the monitoring water supply wireless acquisition terminal using the mode of magnetic switch and magnet, so that the monitoring water supply
Wireless acquisition terminal is completed to configure according to preset configuration information, and the preset configuration information is that the server 02 is pre-set
Configuration information may include acquiring sending cycle information, the trigger voltage upload information such as warning information and interrupt processing information, when
So it can also be that, including other kinds of information, the present embodiment does not limit this.
In order to further increase the data-handling capacity of the wireless acquisition terminal, further, the processor is MCU
Processor.It can be further increased and described wirelessly be adopted by micro-control unit (Microcontroller Unit, MCU) processor
Collect the data-handling capacity of terminal, accelerates to handle the water supply flow information and the pressure of supply water information progress.
As shown in Figure 1, the monitoring water supply wireless acquisition terminal includes：Processor 10, supplies water at water supply flow sensor 20
Pressure sensor 30 and NB-IOT modules 40, the water supply flow sensor 20, the pressure of supply water sensor 30 and the NB-
IOT modules 40 are connected with the processor 10 respectively；The water supply flow sensor 20, for acquiring water supply flow information, and
The water supply flow information of acquisition is sent to the processor 10；The pressure of supply water sensor 30, for acquiring pressure of supply water
Information, and the pressure of supply water information of acquisition is sent to the processor 10；The processor 10 is used for the water supply flow
Information and pressure of supply water information are transmitted to server 02 by the NB-IOT modules wireless 40.
It is understood that water supply flow sensor described in the present embodiment 20 and the pressure of supply water sensor 30
To select low-power consumption, using the RS485 interface devices of Modbus communications protocol, the water supply flow sensor 20 can be
The flow sensor of HDLCSL-5S, the pressure of supply water sensor 30 can be the pressure sensor of CHR3500.
As shown in Figure 1, the water supply flow sensor 20 and the pressure of supply water sensor 30 are set by agreement switching
Standby 50 are connected with the processor.
It should be understood that the agreement interconnecting device 50 can convert the information of differing transmission protocols, it is described
Agreement interconnecting device 50 can be connected to the UART interface i.e. UART1 interfaces of the processor 10, the agreement interconnecting device 50
Can be that UART turns RS485 agreement interconnecting devicies, naturally it is also possible to be other kinds of agreement interconnecting device, the present embodiment is to this
It does not limit.
As shown in Figure 1, the NB-IOT modules 40 are connected with the UART interface of the processor 10.
It is understood that the NB-IOT modules 40 and another UART interface, that is, UART2 of the processor 10 connect
Mouth is connected, and stable connection can be realized with the NB-IOT modules 40, to utilize the NB-IOT modules 40 in table underground
The water supply flow information and the pressure of supply water information are quickly wirelessly transmitted to the clothes by the strong feature of penetration, stabilization
Business device 02.
As shown in Figure 1, the power supply 60 is connected with the power supply POWER interfaces of the processor 10.
It should be noted that the power supply 60 can be lithium battery, the lithium battery can carry protection board；Power supply uses
Lithium battery can ensure the safe to use and service life of power supply, and can adapt to table underground work by included protection board,
Effectively prevent lithium battery to overcharge, cross put with overcurrent, be capable of providing controllable electric current be the processor 10,
The water supply flow sensor 20, the pressure of supply water sensor 30 and the NB-IOT modules 40 power supply, the processor 10
The information of voltage of the lithium battery, the A/D interfaces and POWER of the lithium battery and the processor 10 are acquired by A/D interfaces
Interface is connected, and the processor 10 can acquire the information of voltage of the lithium battery by A/D interfaces, and then monitors in real time described
The voltage status of lithium battery reports prompting when battery undervoltage in time.
As shown in Figure 1, the memory 70 is connected with the SPI interface of the processor 10.
It should be noted that the memory 70 is connected with the SPI interface of the processor 10, the memory 70 can be with
Can be the solid state nonvolatile storage module for configuring 16MB for the memory of low-power consumption, for storing the water supply flow letter
Breath and the pressure of supply water information, it is invalid in the memory 70 that the processor 10 can be removed locally or remotely
Data need the specified data removed, the memory 70 to have the function of anti-error deletion, and certain memory 70 can also
It is for other kinds of memory module or equipment, the present embodiment does not limit this.
As shown in Figure 1, the real-time clock 80 is connected with the I2C interface of the processor 10.
It is understood that the real-time clock 80 has automatic time correction, the function that system clock synchronizes, Ke Yitong
The realization of setting corresponding program is crossed, it, will so that the processor 10 is periodically unified for being timed prompting to the processor 10
The water supply flow information and the pressure of supply water information stored in the memory 70 is sent by the NB-IOT modules
To the server 02, timing can be (1-24) * 60 minutes, acquiescence can be set as by program 1 hour, send week
Phase must be the integer of collection period, naturally it is also possible to be to set the timing to other times, the present embodiment is to this
It does not limit.
As shown in Figure 1, the magnetic switch tongue tube 90 is connected with the WKUP interfaces of the processor 10.
It should be understood that be connected with the WKUP interfaces of the processor 10 by the magnetic switch tongue tube 90, it can
Wake-up configuration is carried out to the monitoring water supply wireless acquisition terminal by using the mode of magnetic switch and magnet, configuration can use
NB-IOT wireless modes receive the preset configuration information of the transmission of the server 02, and the preset configuration information is the server
02 pre-set configuration information may include acquisition sending cycle information, trigger voltage upload warning information and interrupt processing
The information such as information can also be that, including other kinds of information, the present embodiment does not limit this certainly.
As shown in Figure 1, the processor 10 can be MCU processor, can be further increased by MCU processor described
The data-handling capacity of wireless acquisition terminal is accelerated to handle the water supply flow information and the pressure of supply water information progress, institute
Stating processor 10 can be to the water supply flow information and the pressure of supply water information memory data analysis, will be accordingly for water number
It is compared judgement according to corresponding predetermined threshold value, if the water supply data in a collection period are more than the predetermined threshold value,
Warning message is then generated, the warning message can be sent to the server 02 by the processor 10, and skip the pre- of unification
If sending cycle.
Correspondingly, as shown in Fig. 2, the utility model also provides a kind of monitoring water supply wireless acquisition system：
The monitoring water supply wireless acquisition system include the base stations NB-IOT 01, server 02 and it is at least one as described above
Monitoring water supply wireless acquisition terminal.The base stations NB-IOT 01 are wireless with the monitoring water supply by the NB-IOT modules 40
Acquisition terminal is wirelessly connected；The base stations NB-IOT 01 are wirelessly connected with the server 02；It collects the base stations NB-IOT 01
The water supply data of monitoring water supply wireless acquisition terminal acquisition, and by the water supply data transmission to the server 02.
It is understood that the monitoring water supply wireless acquisition terminal usually be in suspend mode, only timing acquiring,
Timing is reported, alarms plus is reported and is in wake-up states when interrupting, in general, can be by the magnetic switch tongue tube 90 to described
Monitoring water supply wireless acquisition terminal carries out wake-up configuration, and the base stations NB-IOT 01 are sent out by wireless receiving to the server 02
It is wirelessly transmitted to the monitoring water supply wireless acquisition terminal by the preset configuration information sent by the NB-IOT modules 40, into
And complete relevant parameter configuration；The waterproofing grade of the monitoring water supply wireless acquisition terminal is ingress protection (Ingress
Protection, IP) 68 ranks, effective moisture-proof and waterproofing protection can be provided in the ground following table well of water supply network.
The monitoring water supply wireless acquisition terminal of the utility model includes：Processor, water supply flow sensor, pressure of supply water pass
Sensor and NB-IOT modules, the water supply flow sensor, the pressure of supply water sensor and the NB-IOT modules respectively with
The processor is connected, and the water supply flow sensor acquires water supply flow information, and the water supply flow information of acquisition is sent
To the processor, the pressure of supply water sensor acquires pressure of supply water information, and the pressure of supply water information of acquisition is sent to
The processor, the processor wirelessly pass the water supply flow information and pressure of supply water information by the NB-IOT modules
Server is transported to, the monitoring water supply wireless acquisition terminal in the utility model no longer uses GPRS technologies, but uses NB-IOT
Technology, due to the covering gain of the high 20db of NB-IOT signal ratio GPRS signals, signal penetration power is strong, and power consumption also below
GPRS technologies, in water supply network in use, having the advantages that signal penetration power is strong, low in energy consumption and lower-cost in following table well.
The above is only preferred embodiments of the present invention, it is noted that for the technology of the art
For personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as this
The protection domain of utility model.
Claims (10)
1. a kind of monitoring water supply wireless acquisition terminal, which is characterized in that the monitoring water supply wireless acquisition terminal includes：Processing
Device, water supply flow sensor, pressure of supply water sensor and NB-IOT modules, the water supply flow sensor, the pressure of supply water
Sensor and the NB-IOT modules are connected with the processor respectively；
The water supply flow sensor for acquiring water supply flow information, and the water supply flow information of acquisition is sent to described
Processor；
The pressure of supply water sensor for acquiring pressure of supply water information, and the pressure of supply water information of acquisition is sent to described
Processor；
The processor, for the water supply flow information and pressure of supply water information to be wirelessly transferred by the NB-IOT modules
To server.
2. monitoring water supply wireless acquisition terminal as described in claim 1, which is characterized in that the water supply flow sensor and institute
Pressure of supply water sensor is stated to be connected with the processor by agreement interconnecting device.
3. monitoring water supply wireless acquisition terminal as claimed in claim 2, which is characterized in that the NB-IOT modules and the place
The UART interface for managing device is connected.
4. monitoring water supply wireless acquisition terminal as claimed in claim 3, which is characterized in that the monitoring water supply wireless collection is whole
End further includes：Power supply, the power supply are connected with the POWER interfaces of the processor.
5. monitoring water supply wireless acquisition terminal as claimed in claim 4, which is characterized in that the power supply is lithium battery, described
Lithium battery is connected with the A/D interfaces of the processor and POWER interfaces.
6. the monitoring water supply wireless acquisition terminal as described in any one of claim 1-5, which is characterized in that the monitoring water supply
Wireless acquisition terminal further includes：Memory, the memory are connected with the SPI interface of the processor；
The memory, for storing the water supply flow information and the pressure of supply water information.
7. the monitoring water supply wireless acquisition terminal as described in any one of claim 1-5, which is characterized in that the monitoring water supply
Wireless acquisition terminal further includes：Real-time clock, the real-time clock are connected with the I2C interface of the processor；
The real-time clock, for being timed prompting to the processor.
8. the monitoring water supply wireless acquisition terminal as described in any one of claim 1-5, which is characterized in that the monitoring water supply
Wireless acquisition terminal further includes：Magnetic switch tongue tube, the magnetic switch tongue tube are connected with the WKUP interfaces of the processor.
9. the monitoring water supply wireless acquisition terminal as described in any one of claim 1-5, which is characterized in that the processor is
MCU processor.
10. a kind of monitoring water supply wireless acquisition system, which is characterized in that the monitoring water supply wireless acquisition system includes NB-IOT
Base station, server and at least one monitoring water supply wireless acquisition terminal as claimed in any one of claims 1-9 wherein；
The base stations NB-IOT are wirelessly connected by the NB-IOT modules and the monitoring water supply wireless acquisition terminal；
The base stations NB-IOT are wirelessly connected with the server；
The water supply data of monitoring water supply wireless acquisition terminal acquisition are collected in the base stations NB-IOT, and by the water supply data
It is transmitted to the server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721859233.2U CN207833686U (en) | 2017-12-25 | 2017-12-25 | Monitoring water supply wireless acquisition terminal and monitoring water supply wireless acquisition system |
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|---|---|---|---|
| CN201721859233.2U CN207833686U (en) | 2017-12-25 | 2017-12-25 | Monitoring water supply wireless acquisition terminal and monitoring water supply wireless acquisition system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109040315A (en) * | 2018-09-18 | 2018-12-18 | 北京先见智控科技有限公司 | Internet-of-things terminal and the Internet of Things Congestion Avoidance system dispatched based on server centered |
| CN109300296A (en) * | 2018-10-11 | 2019-02-01 | 京信通信系统（中国）有限公司 | A kind of monitoring method of intellectual water meter, monitoring device and the base station NB-Iot |
| CN109469188A (en) * | 2018-09-28 | 2019-03-15 | 上海市政工程设计研究总院（集团）有限公司 | A kind of Intelligent rainwater well lid based on the NB-IoT communication technology |
| CN110190868A (en) * | 2019-05-28 | 2019-08-30 | 高新兴物联科技有限公司 | Wake-up circuit and IoT device |
| CN111343280A (en) * | 2020-03-05 | 2020-06-26 | 上海凌泽信息科技有限公司 | Pressure alarm device and method based on NB-IOT |
| CN113891273A (en) * | 2021-09-29 | 2022-01-04 | 中国电信股份有限公司 | Parameter configuration method, node controller, acquisition node and information acquisition system |
-
2017
- 2017-12-25 CN CN201721859233.2U patent/CN207833686U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109040315A (en) * | 2018-09-18 | 2018-12-18 | 北京先见智控科技有限公司 | Internet-of-things terminal and the Internet of Things Congestion Avoidance system dispatched based on server centered |
| CN109469188A (en) * | 2018-09-28 | 2019-03-15 | 上海市政工程设计研究总院（集团）有限公司 | A kind of Intelligent rainwater well lid based on the NB-IoT communication technology |
| CN109300296A (en) * | 2018-10-11 | 2019-02-01 | 京信通信系统（中国）有限公司 | A kind of monitoring method of intellectual water meter, monitoring device and the base station NB-Iot |
| CN110190868A (en) * | 2019-05-28 | 2019-08-30 | 高新兴物联科技有限公司 | Wake-up circuit and IoT device |
| CN111343280A (en) * | 2020-03-05 | 2020-06-26 | 上海凌泽信息科技有限公司 | Pressure alarm device and method based on NB-IOT |
| CN113891273A (en) * | 2021-09-29 | 2022-01-04 | 中国电信股份有限公司 | Parameter configuration method, node controller, acquisition node and information acquisition system |
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