CN220422059U - Ammeter meter reading system based on NB-IoT communication - Google Patents
Ammeter meter reading system based on NB-IoT communication Download PDFInfo
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- CN220422059U CN220422059U CN202321751207.3U CN202321751207U CN220422059U CN 220422059 U CN220422059 U CN 220422059U CN 202321751207 U CN202321751207 U CN 202321751207U CN 220422059 U CN220422059 U CN 220422059U
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- 238000004891 communication Methods 0.000 title claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 73
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000013523 data management Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 230000005059 dormancy Effects 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 5
- 230000007958 sleep Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model relates to the technical field of ammeter reading, in particular to an ammeter reading system based on NB-IoT communication; the infrared module, the clock module, the external interface module and the power module are arranged on the chip module, so that the data of the ammeter can be collected regularly, the data are sent to the processing module for data processing, then the data are sent to the cloud data management platform through the NB-IoT module, the infrared module and the NB-IoT module are enabled to sleep and self-start regularly under the control of the processing module, the active collection and the sending of the data of the ammeter are completed, the processing module self-checks whether the data to be sent exist in the processing module, if yes, a radio frequency channel connected with the NB-IoT module is activated for data sending, and then the processing module enters a sleep state; the problem that the existing third party meter reading equipment needs to consume extra electric energy to enable a radio frequency channel for data transmission to be in a normally open state is solved, and therefore the cost of battery charging and replacement is increased.
Description
Technical Field
The utility model relates to the technical field of ammeter reading, in particular to an ammeter reading system based on NB-IoT communication.
Background
The narrowband internet of things (Narrow Band Internet of Things, NB-IoT) becomes an important branch of the internet of everything, only consumes about 180kHz bandwidth when the NB-IoT builds a cellular network, can be directly deployed in a GSM network, a UMTS network or an LTE network, supports cellular data connection of low-power-consumption equipment in a wide area network, and can be used for third party equipment to read ammeter data through an infrared device and conduct data transmission.
In the prior art, in the process of carrying out ammeter reading and data transmission through the third party meter reading equipment, the radio frequency channel for transmitting data generally needs to be kept in a normally open state, so that extra electric energy of a battery in the third party meter reading equipment is consumed for supplying power, the radio frequency channel is kept in an open state, the duration of single charging of the battery is shortened, the battery is required to be charged more frequently or to be replaced directly, the labor cost for charging and replacing the battery is increased, and the service life of the battery is also shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an ammeter reading system based on NB-IoT communication, which solves the problem that the existing third party meter reading equipment needs to consume extra electric energy to enable a radio frequency channel for data transmission to be in a normally open state, thereby increasing the cost of battery charging and replacement.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an NB-IoT communication based electricity meter reading system comprising:
the processing module is used for sending out instructions to control the operation of each module;
the external interface module is used as an expansion port of the topological structure and connected with external hardware;
the infrared module is respectively in data communication with the processing module and the external interface module and is used for receiving and sending infrared signals, converting the infrared signals emitted by the ammeter into electric signals and then feeding the electric signals back to the processing module, and the infrared module is controlled by the processing module to automatically start and sleep;
the infrared module is respectively in data communication with the processing module and the external interface module and is used for transmitting electric power data signals of the ammeter;
and the NB-IoT module is respectively in data communication with the processing module and the external interface module and is used for constructing a cellular network to transmit electric meter power data to the cloud data management platform, and the NB-IoT module is controlled by the processing module to automatically start and sleep.
Preferably, the system further comprises a clock module, wherein the clock module is used for sending a clock signal to drive the processing module and the infrared module to periodically collect and transmit electric power data of the ammeter.
Preferably, the model of the processing module is M7025.
Preferably, the two SPI interfaces of the processing module are electrically connected to the infrared module and the serial port module, respectively, and the GPIO interface of the processing module is electrically connected to the NB-IoT module.
Preferably, a power module is connected to the VBAT-BB interface of the processing module, and the power module is configured to supply power to the processing module, the infrared module and the NB-IoT module.
Compared with the prior art, the utility model provides an electric meter reading system based on NB-IoT communication, which has the following beneficial effects:
1. the infrared module, the clock module, the external interface module and the power module are arranged on the chip module, so that the periodic acquisition of ammeter data is realized, the data is transmitted into the processing module for data processing, then the data is transmitted to the cloud data management platform through the NB-IoT module, the infrared module and the NB-IoT module are subjected to dormancy and self-starting periodically under the control of the processing module, the ammeter data is actively acquired and transmitted, the infrared module and the NB-IoT module are kept in a dormant state in the rest time, the processing module self-checks whether the data to be transmitted exist or not, if yes, a radio frequency channel connected with the NB-IoT module is activated for data transmission, and then the sleep state is entered, so that the infrared module and the NB-IoT module keep in the dormant state to improve the service time of the battery when the acquisition of the data and the data transmission are not needed.
2. The model of the processing module is set as M7025, and the module has rich hardware interfaces including serial ports, GPIO, ADC and the like, has rich expansibility, and is particularly suitable for being applied to business type scenes such as meter reading and the like.
3. The power supply module arranged at the VBAT-BB interface of the processing module adopts a single power supply module power supply design to supply power to the processing module, can be provided with a plurality of grounding pins, can fully satisfy the power supply of radio frequency and baseband circuits, and simultaneously fully utilizes the innovative low-power consumption power saving mode technical design of the M7025 communication module to ensure that the power consumption is far smaller than that of similar products.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic block diagram of a meter reading system of the present utility model;
FIG. 2 is a block diagram of a meter reading system according to the present utility model;
fig. 3 is an internal structural view of the processing module of the present utility model.
In the figure: 1. a processing module; 2. an external interface module; 3. an infrared module; 4. a serial port module; 5. NB-IoT modules; 6. a power module; 7. and a clock module.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
Fig. 1-3 are diagrams showing an embodiment of the present utility model, by improving the existing third party meter reading equipment, and based on the manner of low power consumption meter reading by NB-iot wireless communication, combining the data transmission capability of infrared near-end data acquisition and NB-iot wide area network wireless communication, designing a hardware circuit capable of controlling the automatic dormancy and start of a radio frequency channel for data transmission, and a control method, reducing the frequency of battery charging and replacement in the third party meter reading equipment, so as to reduce the labor cost, and greatly prolong the battery life.
An NB-IoT communication based electricity meter reading system comprising:
the processing module 1 is used for sending out instructions to control the operation of each module, the processing module 1 controls the stable operation of other modules through a pre-designed software algorithm, so that the operation state of each module is controlled, the mutual coordination of each module is realized, meanwhile, the processing module 1 can also correspondingly process the received power data signal according to a data format defined by DL/T645 standard specification, and the processed power data information can be directly read after being transmitted to a remote server.
The external interface module 2, the external interface module 2 is used as an expansion port of a topological structure and is connected with external hardware, such as hardware equipment such as an infrared transmitting device, an infrared receiving device, a data transmission antenna and the like.
The infrared module 3, the infrared module 3 establishes data communication with processing module 1 and external interface module 2 respectively, be used for receiving and sending infrared signal, and feed back processing module 1 into after the infrared signal that will the ammeter transmitted turns into the electrical signal, infrared module 3 makes infrared module 3 start and dormancy through processing module 1 control automatically, when the electric power data of ammeter need be gathered, and make infrared module 3 start through processing module 1, and send infrared signal, need consume more electric energy at the in-process of sending infrared signal, after infrared module 3 received the infrared signal that contains electric power data of ammeter feedback and converted the infrared signal into the electrical signal, infrared module 3 can feed back the electrical signal to processing module 1, when the electric power data of ammeter need not be gathered, processing module 1 makes infrared module 3 become dormant state, thereby can save the electric energy by a wide margin.
The serial port module 4, the infrared module 3 establishes data communication with the processing module 1 and the external interface module 2 respectively, and is used for transmitting electric power data signals of the ammeter;
the NB-IoT module 5 is respectively in data communication with the processing module 1 and the external interface module 2, and is used for constructing a cellular network to transmit electric meter power data to the cloud data management platform, the NB-IoT module 5 is controlled to be automatically started and dormant through the processing module 1, after an electric signal fed back by the processing module 1 to the infrared module 3 is converted into a data signal with a certain format, the processing module 1 contains data to be transmitted, the processing module 1 carries out self-checking on whether the signal to be transmitted is stored in the processing module 1 or not through corresponding software, when the signal to be transmitted is detected, the NB-IoT module 5 is automatically started, a certain amount of electric energy is consumed to transmit the processed electric meter power data to the cloud data management platform through the NB-IoT module 5, and when the processing module 1 does not have the data to be transmitted, the NB-IoT module 5 automatically enters a dormant state, so that the loss of electric energy is reduced.
The processing module 1 automatically controls two groups of radio frequency channels respectively used for accessing the infrared module 3 and the NB-IoT module 5 through corresponding software algorithms, and the processing module 1 controls the switch of the radio frequency channels, so that the automatic starting and dormancy of the infrared module 3 and the NB-IoT module 5 are respectively completed, and when the infrared signal is not required to be actively transmitted to an ammeter or the electric data signal is transmitted to a remote server, the radio frequency channels used for transmitting the signal by the infrared module 3 and the NB-IoT module 5 can be automatically closed, and the purpose of saving electric energy is achieved.
As a preferred technical scheme of the embodiment, the system further comprises a clock module 7, the clock module 7 is used for sending a clock signal to drive the processing module 1 and the infrared module 3 to periodically collect and transmit electric meter power data, timing is achieved through the clock signal, the period of singly collecting the electric meter power data is controlled, accuracy of the collected electric meter power data is improved, when the electric meter power data is collected, the processing module 1 actively opens a radio frequency channel corresponding to the infrared module 3, the clock signal is used for driving the infrared module 3 to periodically actively obtain the electric meter power data and send the electric meter power data to the processing module 1, then the processing module 1 is used for reprocessing the fed back electric meter power data according to a data format defined by a DL/T645 standard specification, then the processing module 1 is used for calling a communication interface on the processing module 1, and simultaneously opening the corresponding radio frequency channel, finally the data is transmitted to a cloud data management platform through the NB-IoT module 5, and then the previously opened radio frequency channel is respectively closed, so that the purpose of collecting and transmitting the electric power data is achieved, and the purpose of saving electric energy is achieved at the same time, and the service life of a battery is prolonged.
As the preferred technical scheme of the embodiment, the model of the processing module 1 is M7025, the M7025 communication module integrates the multi-band NB-IoT wireless communication module, LCC encapsulation is adopted, the maximum downlink speed 127Kbps and the maximum uplink speed 1599Kbps are supported, the M7025 communication module has rich hardware interfaces including serial ports, GPIO, ADC and the like, has rich expansibility, is particularly suitable for being applied to business type scenes such as meter reading, and facilitates the more diversified design of users.
As the preferred technical scheme of the embodiment, the two SPI interfaces of the processing module 1 are respectively and electrically connected with the infrared module 3 and the serial port module 4, the GPIO interface of the processing module 1 is electrically connected with the NB-IoT module 5, when communication is not needed, the resistance states in the SPI interface and the GPIO interface are controlled through the processing module 1, so that the switching of the SPI interface and the GPIO interface radio frequency channels is realized, when electric meter power data acquisition and power data transmission are not needed, the SPI interface connected with the infrared module 3 and the radio frequency channel connected with the GPIO interface of the NB-IoT module 5 are kept in a dormant state, and the radio frequency channel is opened when the radio frequency channel is needed to be used, so that the purpose of saving electric energy is realized, and the service time of single charging of a battery and the service life of the battery are prolonged.
As the preferable technical scheme of the embodiment, the VBAT-BB interface of the processing module 1 is connected with the power module 6, the power module 6 is used for supplying power to the processing module 1, the infrared module 3 and the NB-IoT module 5, so that the normal operation of the processing module 1, the infrared module 3 and the NB-IoT module 5 is ensured, the VBAT-BB interface of the M7025 communication module is electrically connected with the power module 6, a single power module 6 power supply design is adopted, a plurality of grounding pins can be arranged, the power supply of a radio frequency circuit and a baseband circuit can be fully met, the innovative low-power consumption power saving mode technical design of the M7025 communication module is further fully utilized, the current power consumption is close to 1uA during operation, the instantaneous highest current peak energy is also less than 500mA when the system is transmitted with the maximum power, and the power consumption is far less than that of similar products.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An NB-IoT communication based electricity meter reading system, comprising:
the processing module (1) is used for sending out instructions to control the operation of each module;
the external interface module (2), the said external interface module (2) is regarded as the topological structure and connected with external hardware expansion port;
the infrared module (3) is respectively in data communication with the processing module (1) and the external interface module (2) and is used for receiving and sending infrared signals, converting the infrared signals emitted by the ammeter into electric signals and feeding the electric signals back to the processing module (1), and the infrared module (3) controls automatic starting and dormancy through the processing module (1);
the serial port module (4), the said infrared module (3) establishes the data communication with processing module (1) and external interface module (2) separately, is used for transmitting the electric power data signal of the ammeter;
and the NB-IoT module (5) is respectively in data communication with the processing module (1) and the external interface module (2) and is used for constructing a cellular network to transmit electric meter power data to the cloud data management platform, and the NB-IoT module (5) controls automatic starting and dormancy through the processing module (1).
2. The NB-IoT communication based electricity meter reading system according to claim 1, wherein: the electric meter power data acquisition and transmission device further comprises a clock module (7), wherein the clock module (7) is used for sending a clock signal to drive the processing module (1) and the infrared module (3) to periodically acquire and transmit the electric meter power data.
3. The NB-IoT communication based electricity meter reading system according to claim 1, wherein: the model of the processing module (1) is M7025.
4. The NB-IoT communication based electricity meter reading system according to claim 1, wherein: two SPI interfaces of the processing module (1) are respectively electrically connected with the infrared module (3) and the serial port module (4), and GPIO interfaces of the processing module (1) are electrically connected with the NB-IoT module (5).
5. The NB-IoT communication based electricity meter reading system according to claim 1, wherein: the VBAT-BB interface of the processing module (1) is connected with a power module (6), and the power module (6) is used for supplying power to the processing module (1), the infrared module (3) and the NB-IoT module (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321751207.3U CN220422059U (en) | 2023-07-05 | 2023-07-05 | Ammeter meter reading system based on NB-IoT communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321751207.3U CN220422059U (en) | 2023-07-05 | 2023-07-05 | Ammeter meter reading system based on NB-IoT communication |
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| CN220422059U true CN220422059U (en) | 2024-01-30 |
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| CN202321751207.3U Active CN220422059U (en) | 2023-07-05 | 2023-07-05 | Ammeter meter reading system based on NB-IoT communication |
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- 2023-07-05 CN CN202321751207.3U patent/CN220422059U/en active Active
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