CN219675181U - Multi-epitope centralized collection and valve control NB-IoT remote water meter - Google Patents

Abstract

The utility model discloses a multi-epitope centralized collection and valve control NB-IoT remote water meter, which comprises 8 water meter base meters and a line collecting box; a plastic shell bottom shell and a plastic shell upper shell are arranged on the water meter base; the meter leads out the wiring harness of the metering sampling and valve control wiring terminal; and be provided with on the line concentration box and mould shell drain pan and mould shell epitheca still include: the controller is arranged in the line concentration box, and the back surface of the controller is provided with a flow acquisition and valve control wiring terminal; the multi-epitope centralized collection and valve control NB-IoT remote water meter can realize independent metering of water consumption of 8 water meters at most through the line concentration box, and the valves are independently controlled; the water meter can rely on the NB-IoT communication module to perform remote terminal management for a data transmission carrier, so that functions of remote data uploading and issuing are realized, and the intelligent system master station can be used for performing remote meter reading, timing data acquisition, water consumption management and the like on the water meter; the water meter is convenient to monitor and manage, and user experience can be improved.

Description

Multi-epitope centralized collection and valve control NB-IoT remote water meter

Technical Field

The utility model relates to the technical field of Internet of things water meters, in particular to a multi-epitope centralized collection and valve control NB-IoT remote water meter.

Background

The internet of things water meter (IoTwittermeter) is a water meter integrated with the internet of things technology, can realize real-time monitoring and management of the water meter, and provides convenience for reasonable utilization of water resources. Traditional water meter can only measure the water yield, and thing networking water meter can be through network connection with data upload to high in the clouds, realize the real-time supervision and the management to the water meter.

The working principle of the water meter of the Internet of things generally comprises the following steps:

(1) The sensor collects the water meter reading: the sensor is arranged in the internet of things water meter, water meter reading can be collected in real time, and data are transmitted to the cloud end through the wireless network.

(2) Data transmission to the cloud: the internet of things water meter transmits the acquired data to the cloud through GSM, GPRS, LTE and other wireless network technologies, so that the data can be uploaded in real time.

(3) Cloud data processing: the cloud server processes and analyzes the acquired data, provides data visualization and analysis functions, and enables a user to view related information such as water meter reading, water consumption, water charge and the like in a mobile phone App mode at any time.

(4) Remote control water meter: the user can realize remote control water meter switch through modes such as mobile phone App, the inconvenience of water meter reading and switch operation of the user under outdoor cold environment is avoided.

At present, most domestic water meters in China are IC card water meters, the IC card water meters have no wireless remote transmission function, remote payment and remote management cannot be realized, the water meters are usually controlled independently by single meter positions, and the independent card payment management is wasteful in terms of manufacturing cost and operation and maintenance cost. The water meter which does not have wireless remote transmission and has high manufacturing, operating and maintenance costs can not meet the demands of users, and is also unfavorable for water service companies to monitor and manage the water meter.

Therefore, how to overcome the problems of poor user experience and difficult monitoring and management of the water meter caused by the high manufacturing cost and the lack of wireless remote transmission function of the traditional water meter is a problem to be solved by the technicians in the field.

Therefore, a multi-epitope centralized collection and valve control NB-IoT remote water meter is provided.

Disclosure of Invention

In view of this, embodiments of the present utility model wish to provide a multi-epitope centralized collection, valve-controlled NB-IoT remote water meter to solve or alleviate the technical problems existing in the prior art, at least to provide a beneficial option;

the technical scheme of the embodiment of the utility model is realized as follows: a multi-epitope centralized collection and valve control NB-IoT remote water meter comprises 8 water meter base meters and a line collecting box; a plastic shell bottom shell and a plastic shell upper shell are arranged on the water meter base; the meter leads out the wiring harness of the metering sampling and valve control wiring terminal; and be provided with on the line concentration box and mould shell drain pan and mould shell epitheca still include: the controller is arranged in the line concentration box, and the back surface of the controller is provided with a flow acquisition and valve control wiring terminal;

in the above embodiment, the following embodiments are described: the controller, namely the internet of things water meter control box in the traditional sense, is provided with an independent microprocessor which is connected to the Internet through a network and is communicated with cloud service, so that real-time monitoring and control of the water meter are realized.

The controller comprises an MCU main control module, a data storage module, a man-machine interaction module, a metering module, a valve control module, a power supply module, a far infrared communication module and an NB-IoT communication module, wherein the MCU main control module is respectively in communication connection with the data storage module, the man-machine interaction module, the metering module, the valve control module, the power supply module, the far infrared communication module and the NB-IoT communication module, the NB-IoT communication module is connected with an intelligent system main station, the power supply module is connected with the MCU main control module through a power interface, and an NB-IoT module chip, an internal antenna and an SIM card are arranged on the NB-IoT communication module;

the upper portion of base table moulded case drain pan is provided with pulse collection system, be provided with the counter on the pulse collection system.

In the above embodiment, the following embodiments are described: the pulse acquisition device is used for detecting a pulse signal when the water meter rotates and transmitting the pulse signal to the line concentration box for processing; the counter is used for accumulating the water consumption count.

When water flows through the water meter, the metering mechanism in the water meter can drive the pulse triggering device on the water meter to work, and a sensing signal with a certain frequency is generated on the water meter. The pulse acquisition device filters and amplifies the received induction signals and converts the signals into pulse signals. The controller main board in the line concentration box receives the pulse signals and counts the pulse signals, and finally generates the accumulated water consumption value and stores the accumulated water consumption value in the memory. The line concentration box can upload water consumption data to the cloud for storage and analysis, so that real-time monitoring and statistics of water consumption of the water meter are realized.

In the above embodiment, the following embodiments are described: the driving mode described above is not limited thereto; as a preferred technical solution, it may also be preferred to select the following types: the MCU main control module is an FM33LG048 singlechip; the 48MHz main frequency of the FM33LG048 singlechip is utilized and is matched with a plurality of communication interfaces, such as UART, SPI, I C and the like, so that the FM33LG048 singlechip can exchange and communicate data with other components in the device, simultaneously, the functions of analog input and output, timer, interrupt control and the like are supported, and more choices and flexibility are provided for system design and expansion.

In the above embodiment, the following embodiments are described: the driving mode described above is not limited thereto; as a preferred technical solution, it may also be preferred to select the following types: the data storage module comprises an EEPROM memory and a FLASH memory;

by utilizing the non-volatility of the EEPROM and FLASH memory, the storage and reliability of data can be maintained even under the condition of power failure or power failure; meanwhile, random read-write operation is supported, data writing and reading operation can be rapidly realized, and convenience and flexibility are provided for monitoring and management of a water meter system.

In the above embodiment, the following embodiments are described: the driving mode described above is not limited thereto; as a preferred technical solution, it may also be preferred to select the following types: the man-machine interaction module comprises an LED display module and a key control module, and the LED display module and the key control module are both in communication connection with the MCU main control module.

In the above embodiment, the following embodiments are described: the driving mode described above is not limited thereto; as a preferred technical solution, it may also be preferred to select the following types: the clock module is integrated in the MCU main control module; the model of the valve control module is MP6513L; the valve control module comprises a motor driving chip DRV8833.

In summary, the following beneficial effects of the utility model are: the multi-epitope centralized collection and valve control NB-IoT remote water meter can realize independent metering of water consumption of 8 water meters at most through the line concentration box, and the valves are independently controlled; the water meter can rely on the NB-IoT communication module to perform remote terminal management for a data transmission carrier, so that functions of remote data uploading and issuing are realized, and the intelligent system master station can be used for performing remote meter reading, timing data acquisition, water consumption management and the like on the water meter; the water meter is convenient to monitor and manage, and user experience can be improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a multi-epitope centralized collection and valve control NB-IoT remote water meter structure principle and data interaction provided by an embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of a multi-epitope centralized collection and valve-controlled NB-IoT remote water meter-based plastic shell according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of an internal structure of a hub of a multi-epitope centralized collection and valve-controlled NB-IoT remote water meter according to an embodiment of the present utility model;

fig. 4 is a front view of a multi-epitope centralized collection and valve control NB-IoT remote water meter controller according to an embodiment of the present utility model.

In the drawings, the reference numerals and corresponding part names: 1. a controller; 2. an intelligent system master station; 3. a base surface plastic shell bottom shell; 4. a base surface plastic shell upper shell; 5. a plastic shell bottom shell of the line concentration box; 6. the line concentration box is provided with a plastic shell; 7. an infrared transceiver component; 8. flow collection and valve interfaces; 101. an MCU main control module; 102. a data storage module; 103. a valve control module; 104. a metering module; 105. a man-machine interaction module; 106. a far infrared communication module; 107. NB, ioT communication module; 108. a key control module; 109. a power supply module; 110. an LED display module; 1030. a motor driving chip; 1040. a pulse acquisition device; 1041. a counter; 1070. NB, ioT module chips; 1071. a built-in antenna; 1072. a SIM card; 1090. and a power interface.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. This utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below;

it should be noted that the terms "first," "second," "symmetric," "array," and the like are used merely for distinguishing between description and location descriptions, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "first," "symmetry," or the like, may explicitly or implicitly include one or more such feature; also, where certain features are not limited in number by words such as "two," "three," etc., it should be noted that the feature likewise pertains to the explicit or implicit inclusion of one or more feature quantities;

in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature;

in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly; for example, the connection can be fixed connection, detachable connection or integrated molding; the connection may be mechanical, direct, welded, indirect via an intermediate medium, internal communication between two elements, or interaction between two elements. The specific meaning of the terms described above in the present utility model will be understood by those skilled in the art from the specification and drawings in combination with specific cases.

In the prior art, the IC card water meter does not have a wireless remote transmission function, remote payment and remote management cannot be realized, and the water meter is usually controlled independently by a single meter position, and the independent card payment management is wasteful in terms of manufacturing cost and operation and maintenance cost. The water meter which does not have wireless remote transmission and has high manufacturing, operating and maintenance costs can not meet the demands of users, and is also unfavorable for water service companies to monitor and manage the water meter; for this reason, referring to fig. 1-4, the present utility model provides a technical solution to solve the above technical problems: the core of the utility model is to provide a multi-epitope centralized collection and valve control NB-IoT remote water meter, which can solve the problems of poor user experience and difficult monitoring and management of the water meter caused by high manufacturing cost and no wireless remote transmission function of the traditional water meter in the prior art:

in some embodiments of the present utility model, please refer to fig. 1 in combination: the multi-epitope centralized collection and valve control NB-IoT remote water meter structure principle and the data interaction schematic diagram provided by the embodiment of the utility model are shown in fig. 1, and the water meter comprises 8 independent water meter base meter bodies, and further comprises: a controller 1 independently installed in the hub; and a line concentration box which is matched with 8 water meter base tables;

it should be noted that the controller, namely the internet of things water meter control box in the traditional sense, is provided with an independent microprocessor which is connected to the internet through a network and communicates with cloud service, so that real-time monitoring and control of the water meter are realized; on the basis of the structure, a control component is further added, and the intelligent system comprises an MCU main control module 101, a data storage module 102, a valve control module 103, a metering module 104, a man-machine interaction module 105, a power supply module 109, a far infrared communication module 106 and an NB-IoT communication module 107, wherein the MCU main control module 101 is respectively in communication connection with the data storage module 102, the valve control module 103, the metering module 104, the man-machine interaction module 105, the power supply module 109, the far infrared communication module 106 and the NB-IoT communication module 107, and the NB-IoT communication module 107 is connected with the intelligent system main station 2;

in some embodiments of the present utility model, please refer to fig. 2-4 in combination: the water meter base meter body comprises a plastic shell bottom shell 3 and a plastic shell upper shell 4, the line concentration box body comprises a plastic shell bottom shell 5 and a plastic shell upper shell 6, and in practical application, an MCU main control module 101, a data storage module 102, a valve control module 103, a metering module 104, a man-machine interaction module 105, a power supply module 109, a far infrared communication module 106 and an NB-IoT communication module 107 are integrated on the controller 1;

the power supply module 109 is connected with the MCU main control module 101 through a power interface 1090, the MCU main control module 101 can preferably select an FM33LG048 single-chip microcomputer, the inner core of the FM33LG048 single-chip microcomputer is ARM Cortex-M0, the ARMv7-M framework and model are met, and a Bootloader upgrading function is supported; the system has complete product line, abundant analog peripheral functions, low power consumption and high performance, can construct a small-sized and high-energy-efficiency system, and integrates a plurality of peripheral function modules.

Specifically, NB-IoT module chip 1070, built-in antenna 1071, and SIM card 1072 are connected to NB-IoT communication module 107.

Specifically, the FM33LG048 singlechip has low power consumption: the technology and the framework adopted by FM33LG048 have lower power consumption characteristics, can greatly reduce the power consumption of a system and prolong the service life of equipment.

Specifically, the high performance of the FM33LG048 singlechip: the single chip microcomputer is internally provided with 32 ARMCortex-M3 cores, has a main frequency of up to 48MHz, has higher operation speed and processing capacity, and can quickly respond to system instructions and data processing requirements.

It should be noted that the FM33LG048 singlechip also has rich peripheral interfaces: the FM33LG048 has various communication interfaces, such as UART, SPI, I C and the like, can exchange and communicate data with other equipment, and also supports functions of analog input and output, timer, interrupt control and the like, so that support can be provided for related components above and below the device, and more choices and flexibility can be provided for overall system design and expansion.

It should be noted that the FM33LG048 singlechip also has the characteristic of high safety: FM33LG048 supports various hardware encryption algorithms, such as AES, SHA, CRC, and the like, can realize encryption and verification of data, and ensure the safety and the integrity of the data.

It should be noted that the FM33LG048 singlechip also has the characteristics of easy development and integration: FM33LG048 supports a plurality of programming tools and development environments, such as Keil, IAR, eclipse, and the like, and has better compatibility and stability, thereby facilitating development and debugging of developers.

In this scheme, the data storage module 102 is connected with the I2C interface of the MCU main control module 101 to implement reading and writing of the data storage module 102, and the data storage module 102 will not lose stored data after power failure. The data storage module 102 may preferably be selected from EEPROM memory and FLASH memory. The EEPROM memory can permanently store key data such as water consumption, running record of the water meter and the like, the FLASH memory can permanently store the user code of the water meter, and the upgrade code stored and transmitted to the terminal is received in the process of upgrading software.

Meanwhile, the EEPROM memory and the FLASH memory are nonvolatile, and can maintain the storage and reliability of data even under the condition of power failure or power failure; meanwhile, random read-write operation is supported, data writing and reading operation can be realized through programming, and convenience and flexibility are provided for monitoring and management of a water meter system.

As a preferred embodiment, the man-machine interaction module 105 includes a key control module 108 and an LED display module 110, where the key control module 108 and the LED display module 110 are all communicatively connected to the MCU main control module 101. The LED display module 110 can independently display the water consumption and valve status of each water meter, and can display the running parameters, communication signals, communication parameters, real-time clock and other data information of the controller, and further comprises a battery detection module connected with the power supply module 109, and is used for battery capacity and health detection and real-time running status thereof: battery power, communication status, etc. The key control module 108 may be a contact key switch, and the key may perform a page turning operation of the liquid crystal, real-time reporting of terminal collected data, an infrared interface switch, and a user confirmation operation of opening a valve, and is also a meter trigger switch of the far infrared communication module 106 and the NB-IoT communication module 107.

In the scheme, the reading of the traditional water meter needs manual recording, the state and the running condition of the water meter cannot be intuitively displayed, and the man-machine interaction module 105 can enable a user to intuitively know the state and the running condition of the water meter through the LED display module 110 and the key control module 108; meanwhile, the traditional water meter can only record water consumption, and the man-machine interaction module 105 can record water consumption, has multiple functions and can meet the requirements of different users; the traditional water meter needs to be manually checked, and the man-machine interaction module 105 performs the meter end trigger switch of the far infrared communication module 106 and the NB-IoT communication module 107 through the key control module, so that the remote communication can be more conveniently performed, and the communication efficiency and convenience are improved.

The valve control module 103 may preferably adopt a motor driving chip 1030, input a level signal to the motor driving chip 1030 through the MCU main control module 101, and transmit an output signal to a motor driving a valve through the valve interface 7, so as to realize valve opening and closing. The motor driving chip 1030 used at the same time can protect the overvoltage, overcurrent and other states. In addition, the motor driving chip 1030 has more reliable functions, less occupation of the board surface and convenience in wiring and element placement of the circuit board;

in this embodiment, the motor driving chip 1030 is preferably a DRV8833, a dual H-bridge driver; is suitable for the application with the voltage range of 2V to 11V; the motor can drive two direct current motors or a bipolar stepping motor, and has the functions of overcurrent protection, low-voltage locking, overtemperature protection and the like.

The metering module 104 can use a non-magnetic sampling device to meter water, and the cumulative water consumption is increased by 1 base number when the non-magnetic module has low electric pulse signals in effective interval time, so that the non-magnetic module metering avoids the influence of magnetic field interference on metering. The device specifically comprises a pulse acquisition device 1040 and a counter 1041, wherein the pulse acquisition device 1040 is arranged on the counter 1041, the acquired pulse signals are sent to the MCU main control module 101 through a flow acquisition interface 8 (8 interfaces are provided and pulses can be acquired simultaneously), and the MCU main control module 101 analyzes the pulse signals, so that statistics on water quantity is realized.

Further, the device also comprises a clock module connected with the MCU main control module 101 for providing date, time and timing functions, and the digital display is displayed by the LED display module 110.

Specifically, when water flow passes through the water meter, a metering mechanism in the water meter can drive a pulse trigger device on the water meter to work, and a sensing signal with a certain frequency is generated on the water meter. The pulse acquisition device 1040 performs signal filtering and amplification processing on the received sensing signal, and then converts the sensing signal into a pulse signal. The controller main board in the line concentration box receives the pulse signals and counts the pulse signals, and finally generates the accumulated water consumption value and stores the accumulated water consumption value in the memory. The line concentration box can upload water consumption data to the cloud for storage and analysis, so that real-time monitoring and statistics of water consumption of the water meter are realized.

In practical applications, in order to prevent the related data from being lost or other situations from occurring when the water meter stops running due to the too low power of the power supply module 109, the preferred embodiment further includes: and a battery detection module connected to the power supply module 109. The power supply detection module adopts a low-voltage detection circuit to carry out static voltage detection and dynamic voltage detection on a power supply circuit output port formed by the dry battery and the solid-state capacitor, sets a low-voltage threshold, and carries out operations such as reporting alarm, valve control, display control, key operation restriction, communication restriction and the like on a low-voltage state.

Preferably, the power detection module is preferably an LTC2954 power manager: battery voltage, current and temperature can be monitored. It also has low power consumption mode and various protection functions, such as over-temperature protection, under-voltage protection and over-current protection.

Specifically, the LTC2954 power manager can detect the output state of the power supply module 109, and when the power is low or lost, send relevant detection data to the MCU main control module 101 to control the data storage module 102 to store the data of the water meter, so as to avoid loss of storage information.

In order to provide accurate date, time and timing functions, as a preferred embodiment, it further comprises: and a clock module connected with the MCU main control module 101. The clock module is integrated in the MCU main control module 101, the hardware clock module of the MCU main control module 101 can provide accurate date, time and timing functions, and the date and time can be displayed through the LED display module 110; the clock module can be powered by a power supply module 109 (battery powered or solid state capacitor), and the solid state capacitor can ensure that operations such as data storage and valve closing are performed under the condition that the battery is powered down, and can enable the clock to run normally in a short time.

In particular, because the solid state capacitor can hold its stored charge for a period of time when powered down. When the battery loses power, the solid-state capacitor can continue to provide power to maintain the operation of the circuit, and the normal operation of data storage, valve closing and the like is ensured. The storage time of a solid-state capacitor depends on its capacitance value and the load of the circuit, and in general, its storage time can reach several seconds to several minutes. Therefore, in applications such as the internet of things water meter, which need to ensure operations such as data storage and valve closing, the solid-state capacitor can be used as a standby power supply to provide short-term power supply so as to ensure normal operation of the circuit.

Preferably, the far infrared communication module 106 may be a far infrared signal transceiver 7. The far infrared signal receiving and transmitting assembly 7 is integrated on the controller 1, receives and transmits far infrared signals, and performs data processing interaction with the outside through the MCU main control module 101, so that maintenance and management of a local close-range water meter terminal can be realized, and a water service company can conveniently perform emergency treatment under the condition of network abnormality;

preferably, the communication rate of the infrared interface of the far infrared communication module 106 is 2400bps, which mainly can satisfy the maintenance of the local surface end, and can perform data acquisition and terminal management.

The NB-IoT communication module 107 is mainly a mobile wireless communication module composed of an NB-IoT module chip 1070, a SIM card 1072 and a built-in antenna 1071, wherein the NB-IoT module chip 1070 in the NB-IoT communication module 107 is integrated on the controller 1, and the NB-IoT module chip 1070 is in data interaction with the UART serial port connection of the MCU main control module 101 and is connected with the SIM card 1072 and the built-in antenna 1071. The module has the functions of radio frequency receiving, transmitting and controlling, and can realize the functions of remote data acquisition, terminal management and maintenance and remote upgrading of the water meter.

Specifically, the NB-IoT communication module 107 is connected to the mobile network through the internal antenna 1071 and the SIM card 1072, and the NB-IoT module chip 1070 performs data interaction with the MCU main control module 101 through the UART serial port, so as to realize the data transmission functions of remote data acquisition, terminal management maintenance and remote upgrade of the water meter.

Illustratively, the operating steps of the NB-IoT communication module 107 are as follows:

s1, remote data acquisition: the NB-IoT communication module 107 receives the command request of the remote data through the built-in antenna 1071, then transmits the data to the MCU main control module 101 through the UART serial port for processing and analysis, and finally completes the acquisition and processing of the data;

s2, terminal management maintenance: the NB-IoT communication module 107 is connected to the mobile network through the SIM card 1072, receives the instruction issued by the network operator, such as restarting, inquiring the state, etc. of the controller 1, and the NB-IoT module chip 1070 transmits the instruction to the MCU main control module 101 through the UART serial port to execute, so as to complete the functions of terminal management and maintenance;

s3, remote upgrading: the NB-IoT communication module 107 receives information through the built-in antenna 1071, the NB-IoT module chip 1070 is responsible for analysis, and the information is transmitted to the MCU main control module 101 through the UART serial port to finish the upgrade information storage; after that, the MCU host control module 107 writes the upgrade file into the memory, and performs a firmware upgrade operation when the controller is restarted, completing a remote upgrade function.

When the water meter reports to the intelligent system main station 2, the MCU main control module 101 will query the network information of the NB-IoT communication module 107, and if the water meter does not reside on the network, the network residence operation is performed first, and then data is transmitted to the core network, so as to complete data transmission. Meanwhile, when data transmission is not performed, the NB-IoT communication module 107 automatically enters an idle state and a PSM state, so that power consumption is reduced.

The water meter provided by the embodiment of the utility model can simultaneously collect the metering signals of at most 8 water meters in a centralized way, so that 8 water meters can independently meter and charge, and the independent valve is controlled, thereby reducing the manufacturing cost and the operation and maintenance cost compared with the traditional water meters; remote meter reading can be realized, the inconvenience of manual meter reading is avoided, and the meter reading efficiency is improved. In addition, the water meter can report information regularly, and the information of the water meter can be actively read through the water meter management platform, so that the real-time grasp of the water meter state is realized, and the management of water service companies on the water meter is facilitated; meanwhile, a remote payment service function through the APP is provided for the water meter user. The water meter has the functions of high precision, wide load, low power consumption and interference resistance.

The multi-epitope centralized collection and valve control NB-IoT remote water meter provided by the utility model comprises an independent water meter base meter and a controller 1 arranged in an independent hub box; the controller 1 comprises an MCU main control module 101, a data storage module 102, a valve control module 103, a metering module 104, a man-machine interaction module 105, a power supply module 109, a far infrared communication module 106 and an NB-IoT communication module 107, wherein the MCU main control module 101 is respectively in communication connection with the data storage module 102, the valve control module 103, the metering module 104, the man-machine interaction module 105, the power supply module 109, the far infrared communication module 106 and the NB-IoT communication module 107, and the NB-IoT communication module 107 is connected with the intelligent system main station 2.

Therefore, the water meter can rely on the NB-IoT communication module 107 to perform remote terminal management for a data transmission carrier, so that functions of remote data uploading and issuing are realized, and the intelligent system master station 2 can be used for performing remote meter reading, timing data acquisition, water consumption management and the like on the water meter; the water meter is convenient to monitor and manage, and user experience can be improved.

The technical features of the above embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, they should be considered as the scope of the description provided in the present specification, as long as there is no contradiction between the combinations of the technical features.

The above examples merely illustrate embodiments of the utility model that are specific and detailed for relevant practical applications and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. The utility model provides a concentrated collection of many epitopes, valve accuse NB-IoT teletransmission water gauge, includes 8 water gauge basic tables and the hub box of adaptation with it, just the basic table draws forth measurement sampling and valve accuse binding post pencil, its characterized in that: the controller (1) is provided with a connecting terminal (8) for flow collection and valve control;

the system also comprises a control component connected with the controller (1) and used for protecting overvoltage and overcurrent states and realizing statistics of water consumption;

the control component also carries out remote terminal management for the data transmission carrier by relying on the NB-IoT communication module, so that the functions of uploading and issuing remote data are realized, and the remote meter reading, timing data acquisition and water consumption management are carried out on the water meter through the master station.

2. The multi-epitope centralized collection, valve-controlled NB-IoT remote water meter according to claim 1, wherein: the control assembly in driving connection with the controller (1) comprises an MCU main control module (101), a data storage module (102), a valve control module (103), a metering module (104) and a man-machine interaction module (105); the MCU main control module (101) is respectively connected with the data storage module (102), the valve control module (103), the metering module (104), the man-machine interaction module (105), the far infrared communication module (106) and the NB-IoT communication module (107);

the NB-IoT communication module (107) is connected with the intelligent system master station (2), and the power supply module (109) is connected with the MCU master control module (101) through the power interface (1090).

3. The multi-epitope centralized collection, valve-controlled NB-IoT remote water meter according to claim 2, wherein: the control component driven by the controller (1) further comprises a power supply module (109), a far infrared communication module (106) and an NB-IoT communication module (107);

an NB-IoT module chip (1070), a built-in antenna (1071) and a SIM card (1072) are connected and arranged on the NB-IoT communication module (107).

4. A multi-epitope centralized collection, valve-controlled NB-IoT remote water meter according to any of claims 1-3, wherein: the water consumption meter is characterized by further comprising a pulse acquisition device (1040), wherein the pulse acquisition device (1040) is provided with a counter (1041) for accumulating water consumption count.

5. The multi-epitope centralized collection, valve-controlled NB-IoT remote water meter according to claim 2, wherein: the valve control module (103) also includes a motor drive chip (1030) for driving the valve.

6. The multi-epitope centralized collection, valve-controlled NB-IoT remote water meter according to claim 2, wherein: the man-machine interaction module (105) comprises a key control module (108) and an LED display module (110), wherein the key control module (108) and the LED display module (110) are all in communication connection with the MCU main control module (101) for external interaction.

7. A multi-epitope centralized collection, valve controlled NB-IoT remote water meter according to claim 3, wherein: the battery detection module is connected with the power supply module (109) and is used for detecting the battery capacity and the health of the battery.

8. A multi-epitope centralized collection, valve controlled NB-IoT remote water meter according to claim 3, wherein: the far infrared communication module (106) comprises a far infrared signal receiving and transmitting assembly (7), receives and transmits far infrared signals through a far infrared receiving tube and a transmitting tube, and performs data processing interaction with the outside through the MCU main control module (101).

9. The multi-epitope centralized collection, valve-controlled NB-IoT remote water meter according to claim 8, wherein: the digital display device also comprises a clock module connected with the MCU main control module (101) and used for providing date, time and timing functions, and the digital display is displayed through the LED display module (110).