Intelligent water meter control system and intelligent water meter

Abstract

The application provides a kind of intelligent water meter control system and intelligent water meter, comprising: metering module and control module connected in turn;Control module includes: communication connection application processor AP core and control processor CP core;Metering module is connected with the water metering device of peripheral equipment;CP core is connected with the communication of peripheral equipment NB-IoT module;Metering module is used to convert the metering data collected by water metering device into digital signal;AP core is used to determine the current metering water volume of water metering device according to digital signal;AP core is also used to control CP core to send current metering water volume to NB-IoT module if receiving metering reading instruction.The intelligent water meter control system has the technical effects of improving system operation stability and reducing overall operation power consumption.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent water meter, and particularly relates to an intelligent water meter control system and an intelligent water meter. BACKGROUND

[0002] The current intelligent water meter is a core framework of MCU combined with an NB-IoT module, a metering module and an external electrically erasable programmable read-only memory. The MCU is mainly responsible for system control of the whole water meter, including metering sampling, communication, switch valve, data storage and the like, and plays a role in control cooperation and specific working state control among various modules of the whole intelligent water meter. When metering sampling is needed, the MCU is responsible for sampling and data processing; when data information needs to be reported, the MCU first wakes up the NB-IoT module, and then transmits the data to be reported to the NB-IoT module to control the NB-IoT module to report in order according to the relevant application protocol.

[0003] Further, due to the structure of the above intelligent water meter, the MCU and the NB-IoT module need to communicate through a UART serial port or an SPI interface, and there are many hardware interfaces and low integration. On this basis, the existing intelligent water meter has another structure, that is, a single-core OpenCpu module with an operating system, which runs communication, metering, storage and the like through task scheduling, and the program structure is complex and the running power consumption is high.

[0004] Overall, the existing intelligent water meter has the status that the system anti-interference ability and reliability are relatively low, the core system cost is high, the volume is large, and the development difficulty is high. Further, the intelligent water meter constructed by the single-core OpenCpu has a complex program structure, low system running stability and high overall running power consumption. SUMMARY

[0005] The present application aims to provide an intelligent water meter control system and an intelligent water meter to alleviate the status that the system anti-interference ability and reliability of the existing intelligent water meter are relatively low, the core system cost is high, the volume is large, and the development difficulty is high. Further, it also alleviates the technical problems of the intelligent water meter constructed by the single-core OpenCpu, the complex program structure, the low system running stability and the high overall running power consumption, so as to achieve the technical effects of reducing cost, reducing volume, reducing development difficulty, simplifying program structure, improving system running stability and reducing overall running power consumption.

[0006] In a first aspect, an embodiment of the present application provides a smart water meter control system, comprising: a metering module and a control module connected in sequence; the control module comprises an application processor (AP) core and a control processor (CP) core connected in communication; the metering module is connected with an external water metering device; the CP core is connected in communication with an external NB-IoT module; the metering module is configured to convert metering data collected by the water metering device into a digital signal; the AP core is configured to determine a current metering water volume of the water metering device according to the digital signal; and the AP core is further configured to control the CP core to send the current metering water volume to the NB-IoT module if a metering reading instruction is received.

[0007] In a preferred embodiment of the present application, the smart water meter control system further comprises an infrared communication module connected with the AP core; and the AP core is further configured to communicate with a designated terminal device of an external device through the infrared communication module.

[0008] In a preferred embodiment of the present application, the smart water meter control system further comprises a storage module connected with the AP core and the CP core; the storage module is configured to store the metering water volume; and the AP core is further configured to retrieve the metering water volume from the storage module and control the CP core to send the metering water volume to the NB-IoT module if a metering reading instruction is received.

[0009] In a preferred embodiment of the present application, the smart water meter control system further comprises a power supply module connected with the metering module, the control module, the infrared communication module, and the storage module respectively; and the power supply module is configured to supply power to the metering module, the control module, the infrared communication module, and the storage module.

[0010] In a preferred embodiment of the present application, the smart water meter control system further comprises an electric signal acquisition module connected with the power supply module and the control module; the electric signal acquisition module is configured to acquire a power supply voltage of the power supply module; and the AP core is further configured to determine whether the working state of the power supply module is normal according to the power supply voltage; if not, to generate power supply module fault information and control the CP core to send the power supply module fault information to the NB-IoT module.

[0011] In a preferred embodiment of the present application, the AP core is further configured to determine whether the working state of the metering module is disturbed according to the current metering water volume; if not, to generate metering module fault information and control the CP core to send the metering module fault information to the NB-IoT module.

[0012] In the preferred embodiment of the present application, the storage module is further configured to store the power supply module fault information and the metering module fault information.

[0013] In the preferred embodiment of the present application, the AP core is further configured to determine whether the water metering device has an over-flow condition or a reverse-flow condition according to the size relationship between the current metered water volume and the water volume threshold; generate an over-flow alarm signal when the over-flow condition exists, and control the CP core to send the over-flow alarm signal to the NB-IoT module; generate a reverse-flow alarm signal when the reverse-flow condition exists, and control the CP core to send the reverse-flow alarm signal to the NB-IoT module.

[0014] In the preferred embodiment of the present application, the NB-IoT module is further connected to an external water volume monitoring platform; and the water volume monitoring platform is configured to manage the current metered water volume.

[0015] In the second aspect, the embodiments of the present application further provide an intelligent water meter, comprising the intelligent water meter control system.

[0016] The embodiments of the present application have the following beneficial technical effects:

[0017] The embodiments of the present application provide an intelligent water meter control system and an intelligent water meter, comprising: a metering module and a control module connected in sequence; the control module comprises an application processor (AP) core and a control processor (CP) core connected in communication; the metering module is connected to an external water metering device; the CP core is connected in communication with an external NB-IoT module; the metering module is configured to convert metering data collected by the water metering device into a digital signal; the AP core is configured to determine a current metered water volume of the water metering device according to the digital signal; and the AP core is further configured to control the CP core to send the current metered water volume to the NB-IoT module if a metering reading instruction is received. The intelligent water meter control system is constructed based on a dual-core OpenCpu, which alleviates the current situation that the existing intelligent water meter has relatively low anti-interference ability and reliability of the system, has a high core system cost, a large size, and high development difficulty. Further, the intelligent water meter constructed based on a single-core OpenCpu has a complex program structure, low system running stability, and high overall running power consumption, which alleviates the technical problems, thereby achieving the technical effects of reducing cost, reducing size, reducing development difficulty, simplifying program structure, improving system running stability, and reducing overall running power consumption. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 A structural schematic diagram of a smart water meter control system provided for an embodiment of the present application is shown in the figure.

[0020] Figure 2 A structural schematic diagram of another smart water meter control system provided for an embodiment of the present application is shown in the figure.

[0021] Figure 3 A structural schematic diagram of a smart water meter provided for an embodiment of the present application is shown in the figure.

[0022] Figure 4 A flowchart of a starting method of a smart water meter control system provided for an embodiment of the present application is shown in the figure.

[0023] Figure legend: 11 - metering module; 121 - AP core; 122 - CP core; 13 - water metering device; 14 - NB-IoT module; 15 - infrared communication module; 16 - storage module; 17 - power supply module; 31 - smart water meter; 32 - smart water meter control system. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] At present, the existing smart water meter has the status that the anti-interference ability and reliability of the system are relatively low, the cost of the core system is high, the volume is large, and the development difficulty is high. Further, the smart water meter constructed by the single-core OpenCpu has a complex program structure, low system running stability, and high overall running power consumption.

[0026] Based on this, the embodiments of the present application provide a smart water meter control system and a smart water meter. The technology can improve the system running stability and reduce the overall running power consumption. In order to facilitate the understanding of the present application, first, the above-mentioned smart water meter control system will be described in detail.

[0027] Embodiment 1

[0028] In this embodiment, Figure 1 This is a schematic diagram of a smart water meter control system provided in an embodiment of the present invention.

[0029] Depend on Figure 1 As seen, the smart water meter control system includes: a metering module 11 and a control module connected in sequence; the control module includes: an application processor (AP) core 121 and a control processor (CP) core 122 connected in communication; the metering module 11 is connected to an external water metering device 13; the CP core 122 is connected in communication with an external NB-IoT module 14.

[0030] Furthermore, the metering module 11 is used to convert the metering data collected by the water metering device 13 into a digital signal; the AP core 121 is used to determine the current metered water volume of the water metering device based on the digital signal; the AP core 121 is also used to control the CP core 122 to send the current metered water volume to the NB-IoT module 14 if a metering read command is received.

[0031] In this embodiment, the water metering device 13 is a mechanical water meter.

[0032] Furthermore, Figure 2 This is a schematic diagram of another intelligent water meter control system provided in an embodiment of the present invention.

[0033] Depend on Figure 2 As can be seen, the above-mentioned smart water meter control system also includes: an infrared communication module 15 connected to the above-mentioned AP core 121; the above-mentioned AP core is also used to communicate with a designated terminal device of the peripheral device through the above-mentioned infrared communication module 15.

[0034] In actual operation, the above-mentioned smart water meter control system also includes: a storage module 16 connected to both the AP core 121 and the CP core 122; the storage module 16 is used to store the metered water volume; the AP core 121 is also used to retrieve the metered water volume from the storage module if it receives a metering read command, and control the CP core 122 to send the metered water volume to the NB-IoT module 14.

[0035] Furthermore, the aforementioned smart water meter control system also includes a power supply module 17 connected to the metering module 11, the control module, the infrared communication module 15, and the storage module 16 respectively; the power supply module 17 is used to supply power to the metering module 11, the control module, the infrared communication module 15, and the storage module 16.

[0036] In one of the embodiments, the intelligent water meter control system further comprises: a power signal acquisition module connected with the power supply module 17 and the control module; the power signal acquisition module is used to acquire the power supply voltage of the power supply module; the AP core 121 is further used to determine whether the working state of the power supply module 17 is normal according to the power supply voltage; if not, generate power supply module fault information, and control the CP core to send the power supply module 17 fault information to the NB-IoT module 14.

[0037] Further, the AP core 121 is further used to determine whether the working state of the metering module 11 is disturbed according to the current metered water quantity; if not, generate metering module fault information, and control the CP core to send the metering module fault information to the NB-IoT module 14.

[0038] Further, the storage module 16 is further used to store the power supply module fault information and the metering module fault information.

[0039] Further, the AP core 121 is further used to determine whether the water quantity metering device has an over-flow condition or a reverse-flow condition according to the size relationship between the current metered water quantity and the water quantity threshold value; when the over-flow condition exists, generate an over-flow alarm signal, and control the CP core to send the over-flow alarm signal to the NB-IoT module 14; when the reverse-flow condition exists, generate a reverse-flow alarm signal, and control the CP core to send the reverse-flow alarm signal to the NB-IoT module 14.

[0040] Further, the NB-IoT module 14 is further connected with an external water quantity monitoring platform; the water quantity monitoring platform is used to manage the current metered water quantity.

[0041] The embodiment of the application has the following beneficial technical effects:

[0042] Firstly, when the AP core 121 and the CP core 122 are in a non-communication mode, the single-core running power consumption is 320uA, thereby reducing the intermediate resource occupation of the traditional external MCU and communication module, and realizing high-efficiency interaction efficiency.

[0043] Secondly, the AP core 121 and the CP core 122 have a differential algorithm, only the wireless communication module needs to be upgraded, the NB-IoT module 14 and the application program can be upgraded at the same time, and the problem of remote upgrading of the traditional external MCU program is solved.

[0044] Thirdly, the MCU application program is directly embedded into the AP core 121 of the Quectel module, and the external MCU is not needed for running.

[0045] Fourthly, the dual-core system can provide higher fault tolerance. When either of the AP core 121 and the CP core 122 described above fails, the other core can continue to work.

[0046] Fifthly, the module scheme taking the independent dual-core OpenCPU concept as the core is not dependent on the supply chain of the traditional MCU, is nationally produced, has guaranteed production capacity, and brings new innovation and opportunities for public undertakings under the background of increasingly fierce market competition.

[0047] The embodiment of the present application provides a kind of intelligent water meter control system, comprising: metering module and control module connected in sequence;Above-mentioned control module includes: communication connection application processor AP core and control processor CP core;Above-mentioned metering module is connected with the water metering device of peripheral;Above-mentioned CP core is connected with peripheral NB-IoT module communication;Above-mentioned metering module is used to convert the metering data collected by above-mentioned water metering device into digital signal;Above-mentioned AP core is used to determine the current metering water volume of above-mentioned water metering device according to above-mentioned digital signal;Above-mentioned AP core is also used to control above-mentioned CP core if receiving metering reading instruction, above-mentioned current metering water volume is sent to above-mentioned NB-IoT module.The intelligent water meter control system is constructed based on dual-core OpenCpu, alleviate the current situation that the anti-interference ability and reliability of the existing intelligent water meter system are relatively low, core system cost is relatively high, and the volume is relatively large, and the development difficulty is high.Further, it also alleviates the technical problems of the intelligent water meter of single-core OpenCpu construction, complex program structure, low system running stability, high overall running power consumption, to achieve the technical effects of reducing cost, reducing volume, reducing development difficulty, simplifying program structure, improving system running stability and reducing overall running power consumption.

[0048] Embodiment 2

[0049] On the basis of the above-mentioned embodiment, Figure 3 A structure diagram of the intelligent water meter provided by the embodiment of the present application is provided.

[0050] By Figure 3 As seen, the intelligent water meter 31 includes the intelligent water meter control system 32 in the above-mentioned embodiment 1.

[0051] The intelligent water meter provided by the embodiment of the present application has the same technical features as the intelligent water meter control system provided by the above-mentioned embodiment, so it can also solve the same technical problems and achieve the same technical effects. Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described intelligent water meter can refer to the corresponding process in the foregoing intelligent water meter control system embodiment, which will not be described here.

[0052] Embodiment 3

[0053] In the present embodiment, Figure 4 A flowchart of a starting method of an intelligent water meter control system provided in an embodiment of the present application is shown.

[0054] By Figure 4 As seen, the method comprises:

[0055] Step S101: Start the AP core and the CP core.

[0056] Step S102: Initialize the storage module and wake up the storage module based on a preset period.

[0057] Step S103: Determine whether the AP core has a message time to be processed.

[0058] Step S104: If yes, determine whether the CP core needs to be started.

[0059] Step S105: If yes, wait for the CP core to perform a URC operation and determine whether the URC operation is completed.

[0060] Step S106: If yes, perform an AP core and CP core arbitration processing mechanism process.

[0061] In the present embodiment, when the AP core has no message time to be processed, the CP core does not need to be started, the CP core performs a URC operation and a timeout occurs, or the AP core and CP core arbitration processing mechanism process is completed, the CP core is stopped, and the CP core enters a deep sleep state.

[0062] The starting method of the intelligent water meter control system provided in the present embodiment has the same technical features as the intelligent water meter control system provided in the above-described embodiment, and can solve the same technical problems and achieve the same technical effects. Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the starting method of the intelligent water meter control system described above can refer to the corresponding process in the foregoing intelligent water meter control system embodiments, which will not be described here.

[0063] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A smart water meter control system, characterized in that, The application relates to a smart water meter control system. The smart water meter control system comprises a metering module and a control module connected in sequence. The control module comprises an application processor (AP) core and a control processor (CP) core connected in communication. The metering module is connected with a water metering device of an external device; the CP core is connected in communication with an NB-IoT module of the external device. The metering module is used for converting metering data collected by the water metering device into a digital signal. The AP core is used for determining a current metering water volume of the water metering device according to the digital signal; and the AP core is also used for controlling the CP core to send the current metering water volume to the NB-IoT module if a metering reading instruction is received.

2. The smart water meter control system of claim 1, wherein, The smart water meter control system further comprises an infrared communication module connected with the AP core. The AP core is also used for communicating with a designated terminal device of an external device through the infrared communication module.

3. The smart water meter control system of claim 2, wherein, The smart water meter control system further comprises a storage module connected with the AP core and the CP core. The storage module is used for storing the metering water volume. The AP core is also used for calling the metering water volume from the storage module and controlling the CP core to send the metering water volume to the NB-IoT module if a metering reading instruction is received.

4. The smart water meter control system of claim 3, wherein, The smart water meter control system further comprises a power supply module connected with the metering module, the control module, the infrared communication module and the storage module respectively. The power supply module is used for supplying power to the metering module, the control module, the infrared communication module and the storage module.

5. The smart water meter control system of claim 4, wherein, The smart water meter control system further comprises an electric signal acquisition module connected with the power supply module and the control module. The electric signal acquisition module is used for acquiring a power supply voltage of the power supply module. The AP core is also used for judging whether the working state of the power supply module is normal according to the power supply voltage; if not, generating power supply module fault information and controlling the CP core to send the power supply module fault information to the NB-IoT module.

6. The smart water meter control system of claim 5, wherein, The AP core is also used for judging whether the working state of the metering module is interfered according to the current metering water volume; if not, generating metering module fault information and controlling the CP core to send the metering module fault information to the NB-IoT module.

7. The smart water meter control system of claim 6, wherein, The storage module is also used for storing the power supply module fault information and the metering module fault information.

8. The smart water meter control system of claim 1, wherein, The AP core is also used for determining whether the water metering device has an over-flow condition or a reverse-flow condition according to the size relationship between the current metering water volume and a water volume threshold; when the over-flow condition exists, generating an over-flow alarm signal and controlling the CP core to send the over-flow alarm signal to the NB-IoT module; and when the reverse-flow condition exists, generating a reverse-flow alarm signal and controlling the CP core to send the reverse-flow alarm signal to the NB-IoT module.

9. The smart water meter control system of claim 1, wherein, The NB-IoT module is also connected with a water volume monitoring platform of an external device. The water volume monitoring platform is used for managing the current metering water volume.

10. A smart water meter, characterized by The application further relates to a smart water meter control system. The smart water meter control system comprises a metering module and a control module connected in sequence. The control module comprises an application processor (AP) core and a control processor (CP) core connected in communication. The metering module is connected with a water metering device of an external device; the CP core is connected in communication with an NB-IoT module of the external device. The metering module is used for converting metering data collected by the water metering device into a digital signal. The AP core is used for determining a current metering water volume of the water metering device according to the digital signal; and the AP core is also used for controlling the CP core to send the current metering water volume to the NB-IoT module if a metering reading instruction is received. The smart water meter control system further comprises an infrared communication module connected with the AP core. The AP core is also used for communicating with a designated terminal device of an external device through the infrared communication module. The smart water meter control system further comprises a storage module connected with the AP core and the CP core. The storage module is used for storing the metering water volume. The AP core is also used for calling the metering water volume from the storage module and controlling the CP core to send the metering water volume to the NB-IoT module if a metering reading instruction is received. The smart water meter control system further comprises a power supply module connected with the metering module, the control module, the infrared communication module and the storage module respectively. The power supply module is used for supplying power to the metering module, the control module, the infrared communication module and the storage module. The smart water meter control system further comprises an electric signal acquisition module connected with the power supply module and the control module. The electric signal acquisition module is used for acquiring a power supply voltage of the power supply module. The AP core is also used for judging whether the working state of the power supply module is normal according to the power supply voltage; if not, generating power supply module fault information and controlling the CP core to send the power supply module fault information to the NB-IoT module. The AP core is also used for judging whether the working state of the metering module is interfered according to the current metering water volume; if not, generating metering module fault information and controlling the CP core to send the metering module fault information to the NB-IoT module. The storage module is also used for storing the power supply module fault information and the metering module fault information. The AP core is also used for determining whether the water metering device has an over-flow condition or a reverse-flow condition according to the size relationship between the current metering water volume and a water volume threshold; when the over-flow condition exists, generating an over-flow alarm signal and controlling the CP core to send the over-flow alarm signal to the NB-IoT module; and when the reverse-flow condition exists, generating a reverse-flow alarm signal and controlling the CP core to send the reverse-flow alarm signal to the NB-IoT module. The NB-IoT module is also connected with a water volume monitoring platform of an external device. The water volume monitoring platform is used for managing the current metering water volume. The application further relates to a smart water meter control system. The smart water meter control system comprises a metering module and a control module connected in sequence. The control module comprises an application processor (AP) core and a control processor (CP) core connected in communication. The metering module is connected with a water metering device of an external device; the CP core is connected in communication with an NB-IoT module of the external device. The metering module is used for converting metering data collected by the water metering device into a digital signal. The AP core is used for determining a current metering water volume of the water metering device according to the digital signal; and the AP core is also used for controlling the CP core to send the current metering water volume to the NB-IoT module if a metering reading instruction is received. The smart water meter control system further comprises an infrared communication module connected with the AP core. The AP core is also used for communicating with a designated terminal device of an external device through the infrared communication module. The smart water meter control system further comprises a storage module connected with the AP core and the CP core. The storage module is used for storing the metering water volume. The AP core is also used for calling the metering water volume from the storage module and controlling the CP core to send the metering water volume to the NB-IoT module if a metering reading instruction is received. The smart water meter control system further comprises a power supply module connected with the metering module, the control module, the infrared communication module and the storage module respectively. The power supply module is used for supplying power to the metering module, the control module, the infrared communication module and the storage module. The smart water meter control system further comprises an electric signal acquisition module connected with the power supply module and the control module. The electric signal acquisition module is used for acquiring a power supply voltage of the power supply module. The AP core is also used for judging whether the working state of the power supply module is normal according to the power supply voltage; if not, generating power supply module fault information and controlling the CP core to send the power supply module fault information to the NB-IoT module. The AP core is also used for judging whether the working state of the metering module is interfered according to the current metering water volume; if not, generating metering module fault information and controlling the CP core to send the metering module fault information to the NB-IoT module. The storage module is also used for storing the power supply module fault information and the metering module fault information. The AP core is also used for determining whether the water metering device has an over-flow condition or a reverse-flow condition according to the size relationship between the current metering water volume and a water volume threshold; when the over-flow condition exists, generating an over-flow alarm signal and controlling the CP core to send the over-flow alarm signal to the NB-IoT module; and when the reverse-flow condition exists, generating a reverse-flow alarm signal and controlling the CP core to send the reverse-flow alarm signal to the NB-IoT module. The NB-IoT module is also connected with a water volume monitoring platform of an external device. The water volume monitoring platform is used for managing the current metering water volume. The application further relates to a smart water meter

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