CN219996256U - NB-IoT intelligent gas meter with highly integrated Bluetooth protocol stack - Google Patents

NB-IoT intelligent gas meter with highly integrated Bluetooth protocol stack Download PDF

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Publication number
CN219996256U
CN219996256U CN202321342351.1U CN202321342351U CN219996256U CN 219996256 U CN219996256 U CN 219996256U CN 202321342351 U CN202321342351 U CN 202321342351U CN 219996256 U CN219996256 U CN 219996256U
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gas meter
iot
protocol stack
intelligent gas
bluetooth protocol
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王滨滨
胡莽
狄鹏
陆从杭
唐坚
刘金梁
彭学枝
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SHANGHAI FIORENTINI GAS EQUIPMENT CO Ltd
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SHANGHAI FIORENTINI GAS EQUIPMENT CO Ltd
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Abstract

The utility model discloses an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack, which comprises the following components: the peripheral alarm equipment is arranged at the periphery of the NB-IoT intelligent gas meter and is used for monitoring gas state information; the gas state information includes: abnormal gas state information and normal gas state information; the NB-IoT communication chip is arranged on the NB-IoT intelligent gas meter, a Bluetooth protocol stack is integrated inside the NB-IoT communication chip, and a Bluetooth alarm channel is established with peripheral alarm equipment; and the peripheral alarm equipment is used for sending alarm information to the NB-IoT communication chip through a Bluetooth alarm channel when the gas state information is abnormal gas state information. The utility model receives the alarm information sent by the peripheral alarm equipment through the Bluetooth protocol stack in the intelligent gas meter, has high and stable alarm information transmission speed and low manufacturing cost compared with the alarm information transmission by using the independent Bluetooth module.

Description

NB-IoT intelligent gas meter with highly integrated Bluetooth protocol stack
Technical Field
The utility model relates to the field of gas meter communication, in particular to an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack.
Background
With the rapid development of communication technologies of computers and the Internet of things, more and more household intelligent gas meters replace household mechanical gas meters, and great convenience is brought to gas companies for managing the meters. The application of the internet of things communication technology in the field of intelligent gas meters is the NB-IoT technology, and the intelligent gas meters can be conveniently realized and data communication of a remote server can be realized by using the NB-IoT communication module. In addition, the product often has the capacity of near-end communication, so that on one hand, the configuration and the test during production in a production line can be realized, and on the other hand, the product is used for realizing interconnection with various alarms in the home of a user and realizing the functions of cutting off and reporting gas after alarming. In order to realize the function, the intelligent gas meter on the market currently uses a near-end communication mode of infrared receiving and transmitting; or using a wired manner; or integrated with an independent Bluetooth module, and the near-end communication and the alarm are interconnected by using a Bluetooth communication mode. However, in combination, these approaches have the following problems: the infrared transmission is extremely easy to receive the interference and crosstalk of the light source, and meanwhile, the speed is low, so that the production efficiency is influenced; a wired interconnection mode is adopted to need wiring; by adopting the independent Bluetooth module, the wireless transmission data is fast and stable compared with the infrared transmission rate, but the wireless transmission data has high cost and cannot be widely popularized.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack.
Specifically, the technical scheme of the utility model is as follows:
the utility model provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack, which comprises the following components:
the peripheral alarm equipment is arranged at the periphery of the NB-IoT intelligent gas meter and is used for monitoring gas state information; the gas state information includes: abnormal gas state information and normal gas state information;
the NB-IoT communication chip is arranged on the NB-IoT intelligent gas meter, a Bluetooth protocol stack is integrated inside the NB-IoT communication chip, and a Bluetooth alarm channel is established with the peripheral alarm equipment;
and when the gas state information is abnormal gas state information, the peripheral alarm equipment sends alarm information to the NB-IoT communication chip through the Bluetooth alarm channel.
When the gas state is abnormal, the implementation method receives the alarm information sent by the peripheral alarm equipment through the highly integrated Bluetooth protocol stack in the NB-IoT intelligent gas meter, the alarm information transmission speed is high and stable, and the manufacturing cost is low compared with the alarm information transmission by using an independent Bluetooth module.
In some implementations of the NB-IoT intelligent gas meter highly integrated with the bluetooth protocol stack, the method further comprises a microprocessor,
the microprocessor is arranged on the NB-IoT intelligent gas meter and is used for receiving the alarm information and closing a gas valve in the NB-IoT intelligent gas meter.
According to the method, when the gas meter receives the alarm information sent by the peripheral alarm equipment, the gas valve can be immediately closed.
In some implementations of the NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack, the method further comprises a gas meter production test system,
the NB-IoT communication chip is connected with the gas meter production test system through a Bluetooth test channel, and the gas meter production test system sends a test instruction to the NB-IoT communication chip through the Bluetooth test channel, so that the NB-IoT communication chip transmits the test instruction to the microprocessor, and the microprocessor executes a corresponding test task.
According to the implementation method, bluetooth connection is established between the intelligent gas meter and the gas meter production test system through a highly integrated Bluetooth protocol stack in the NB-IoT intelligent gas meter, so that a microprocessor executes test tasks required to be executed by the gas meter production test system.
In some implementations of NB-IoT intelligent gas meters with highly integrated bluetooth protocol stacks,
the NB-IoT communication chip is connected with a remote server side through a remote communication channel, and the NB-IoT intelligent gas meter performs data interaction with the remote server through the remote communication channel; the data includes the alarm information.
The NB-IoT intelligent gas meter of the implementation method is internally integrated with a remote communication function, so that the intelligent gas meter can perform data interaction with a remote server, and a worker can conveniently remotely control the intelligent gas meter through the read gas data.
The implementation method of the NB-IoT intelligent gas meter in some highly integrated Bluetooth protocol stacks also comprises an accumulator, a clock module and a power supply,
the power supply is connected with the NB-IoT intelligent gas meter and is used for supplying power to the NB-IoT intelligent gas meter;
the accumulator is arranged on the NB-IoT intelligent gas meter, connected with the microprocessor and used for detecting the real-time gas consumption;
the clock module is arranged on the NB-IoT intelligent gas meter, connected with the microprocessor and used for generating real-time clock data;
the microprocessor is used for reading the real-time clock data and the real-time gas consumption and sending the real-time clock data and the real-time gas consumption to the NB-IoT communication chip.
The intelligent gas meter of the implementation method obtains the real-time gas consumption corresponding to each real-time clock data and transmits the real-time gas consumption to the NB-IoT communication chip, so that background personnel can obtain the gas consumption at any moment at any time.
In some implementations of the NB-IoT intelligent gas meter highly integrated with the bluetooth protocol stack, further comprising a display,
the microprocessor is connected with the display and used for sending the gas information to the display for displaying; the gas information includes: presetting gas meter configuration information, alarm information, real-time clock data and real-time gas consumption; the preset gas meter configuration information comprises: caliber of gas meter, platform information of internet of things.
The NB-IoT intelligent gas meter of the implementation method integrates a display, so that a user can know various gas information in real time conveniently.
In some implementations of the NB-IoT intelligent gas meter highly integrated with the bluetooth protocol stack, the method further comprises a memory,
the memory is arranged on the NB-IoT intelligent gas meter, connected with the microprocessor and used for storing gas information; the gas information includes: presetting gas meter configuration information, alarm information, real-time clock data and real-time gas consumption; the preset gas meter configuration information comprises: caliber of gas meter, platform information of internet of things.
The NB-IoT intelligent gas meter of the implementation method integrates a memory, and is convenient for a user to call gas information at any moment.
In some implementations of NB-IoT intelligent gas meters with highly integrated bluetooth protocol stacks,
the microprocessor is further configured to read an externally input update configuration signal received by the NB-IoT communication chip;
the memory is also used for receiving the update configuration signal written by the microprocessor to update the preset gas meter configuration information.
In some implementations of NB-IoT intelligent gas meters with highly integrated bluetooth protocol stacks,
the NB-IoT communication chip is a communication device that highly integrates the BLE5.0 protocol stack.
The implementation method adopts a chip using a BLE5.0 protocol stack as an NB-IoT communication chip.
In some implementations of NB-IoT intelligent gas meters with highly integrated bluetooth protocol stacks,
the microprocessor is further configured to automatically generate an AT command to enable the NB-IoT communication chip to start and configure a bluetooth protocol stack.
Compared with the prior art, the utility model has at least one of the following beneficial effects:
1. when the gas state is abnormal, the alarm information sent by the peripheral alarm equipment is received through the highly integrated Bluetooth protocol stack in the NB-IoT intelligent gas meter, the alarm information transmission speed is high and stable, and the manufacturing cost is low compared with the alarm information transmission by using an independent Bluetooth module.
2. According to the utility model, the Bluetooth connection is established with the gas meter production test system through the highly integrated Bluetooth protocol stack in the NB-IoT intelligent gas meter, so that the microprocessor executes the test task required to be executed by the gas meter production test system, and the test instruction during executing the test task can be quickly and stably transmitted through the Bluetooth protocol stack.
Drawings
The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.
FIG. 1 is a system block diagram of an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack in accordance with the present utility model;
fig. 2 is a schematic structural diagram of an NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack according to the present utility model.
Reference numerals illustrate: 10- -peripheral alarm devices; 20-NB-IoT communication chip; 30- -a microprocessor; 40- -an accumulator; 50—a clock module; 60- -a display; 70—a memory; 80- -a power source; 90-veneer.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present utility model, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In one embodiment, referring to fig. 1 of the specification, the NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack provided in the present utility model includes:
the peripheral alarm device 10 is arranged at the periphery of the NB-IoT intelligent gas meter and is used for monitoring gas state information; the gas state information includes: abnormal gas state information and normal gas state information;
the NB-IoT communication chip 20 may employ a rilda NB860 based on the huashi Boudica200 architecture.
The NB-IoT communication chip 20 is arranged on the NB-IoT intelligent gas meter, a Bluetooth protocol stack is integrated in the NB-IoT communication chip, and a Bluetooth alarm channel is established with the peripheral alarm equipment 10;
the peripheral alarm device 10 transmits alarm information to the NB-IoT communication chip 20 through a bluetooth alarm channel when the gas state information is abnormal gas state information.
When the gas state is abnormal, the alarm information sent by the peripheral alarm equipment 10 is received through the highly integrated Bluetooth protocol stack in the NB-IoT intelligent gas meter, the alarm information transmission speed is high and stable, and the manufacturing cost for transmitting the alarm information is low compared with that of an independent Bluetooth module; wherein the peripheral alert device 10 may employ a leak alarm.
The present embodiment provides an NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack, based on the previous embodiments, further comprising a microprocessor 30,
and the microprocessor 30 is arranged on the NB-IoT intelligent gas meter and is used for receiving the alarm information and closing a gas valve in the NB-IoT intelligent gas meter.
When the alarm information sent by the peripheral alarm equipment is received, the gas meter of the embodiment closes the gas valve.
The embodiment provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack based on the previous embodiment, and further comprises a gas meter production test system,
the NB-IoT communication chip 20 is connected with the gas meter production test system through a Bluetooth test channel, and the gas meter production test system sends a test instruction to the NB-IoT communication chip 20 through the Bluetooth test channel, so that the NB-IoT communication chip 20 transmits the test instruction to the microprocessor 30, and the microprocessor 30 executes a corresponding test task.
In this embodiment, bluetooth connection is established between the NB-IoT intelligent gas meter and the gas meter production test system through the highly integrated bluetooth protocol stack, so that the microprocessor 30 executes a test task that the gas meter production test system needs to execute, and a test instruction during executing the test task can be quickly and stably transmitted through the bluetooth protocol stack. The test command may be set according to a test requirement, for example, if the intelligent gas meter can normally send an alarm signal for testing, the external signal modifies the count data of the accumulator, so that the gas state information detected by the microprocessor 30 is abnormal gas state information, and whether the surrounding alarm devices connected with the NB-IoT communication chip 20 in bluetooth communication can normally receive the alarm information is tested.
The embodiment provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack based on the previous embodiment,
the NB-IoT communication chip 20 is connected with the remote server side through a remote communication channel, and according to the remote communication channel, the NB-IoT intelligent gas meter performs data interaction with the remote server through the remote communication channel; the data includes the alarm information.
According to the embodiment, the NB-IoT intelligent gas meter is internally integrated with a remote communication function, so that the intelligent gas meter can perform data interaction with a remote server, and a worker can conveniently control the intelligent gas meter from a remote place. For example: the staff detects the long-term arrearage of the gas meter, can send a gas valve locking signal to the intelligent gas meter, and feeds back a locking confirmation signal to the remote server after the intelligent gas meter performs the locking task.
The embodiment provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack based on the previous embodiment,
a power supply 80 connected to the NB-IoT intelligent gas meter for powering the NB-IoT intelligent gas meter;
an accumulator 40, disposed on the NB-IoT intelligent gas meter, connected to the microprocessor 30, for detecting a real-time gas consumption;
the clock module 50 is arranged on the NB-IoT intelligent gas meter, connected with the microprocessor 30 and used for generating real-time clock data;
the microprocessor 30 is configured to read the real-time clock data and the real-time gas consumption, and send the real-time clock data and the real-time gas consumption to the NB-IoT communication chip 20.
In this embodiment, the intelligent gas meter obtains the real-time gas consumption corresponding to each real-time clock data, and transmits the real-time gas consumption to the NB-IoT communication chip 20, so that the background personnel can obtain the gas consumption at any time.
The present embodiment provides an NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack, based on the previous embodiments, further comprising a display 60,
the microprocessor 30 is connected with the display 60 and is used for sending the gas information to the display 60 for displaying; the gas information includes: presetting gas meter configuration information, alarm information, real-time clock data and real-time gas consumption; the preset gas meter configuration information comprises: caliber of gas meter, platform information of internet of things.
The display 60 of this embodiment may use an LCD display, and the display content is not particularly limited, and the content that is generally displayed may be various alarm information, gas unit price, user balance, meter time, real-time gas consumption, etc.
The present embodiment provides an NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack, based on the previous embodiments, further comprising a memory 70,
the memory 70 is disposed on the NB-IoT intelligent gas meter, connected to the microprocessor 30, and configured to store real-time gas usage, alarm information, and preset gas meter configuration information.
The microprocessor 30 of this embodiment can read the real-time gas consumption, alarm information and preset gas meter configuration information from the memory 70, and display the information through the display 60 or other devices with display functions, so as to facilitate the user or staff to review the gas usage at any time. The memory 70 may employ a flash memory.
The embodiment provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack based on the previous embodiment,
the NB-IoT communication chip 20 is further configured to receive an update configuration signal input from the outside;
the microprocessor 30 is further configured to read the update configuration signal received by the NB-IoT communication chip 20;
the memory 70 is also used for receiving the update configuration signal written by the microprocessor 30 to update the preset gas meter configuration information.
The embodiment provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack based on the previous embodiment,
the NB-IoT communication chip 20 is a communication device that highly integrates the BLE5.0 protocol stack.
The embodiment provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack based on the previous embodiment,
microprocessor 30 is further configured to automatically generate AT commands to enable NB-IoT communication chip 20 to start and configure the bluetooth protocol stack, the AT commands comprising: the method comprises the steps of starting an NB-IoT communication chip command of "AT+NRB", starting a Bluetooth protocol stack command of "AT+BLENABLE=1", setting a Bluetooth name command of "AT+BLENABLE=gas_meter", setting a broadcast data command of "AT+BLENABLE DVDATA=07094 c6965726461,020A00", setting an IO capability command of "AT+BLENABLE CFG=0, 0", starting a broadcast and configuring a broadcast parameter command of "AT+BLENABLE=1, 32,0xffffff, 0,", 7,0", setting a key mode command of" AT+BLENABLE=1 ", and setting a key command of" AT+BLENABLE=123456.
The embodiment provides an NB-IoT intelligent gas meter with a highly integrated Bluetooth protocol stack based on the previous embodiment,
this embodiment, based on the foregoing embodiment, with reference to fig. 2 of the specification, provides a highly integrated bluetooth protocol stack NB-IoT intelligent gas meter,
the present embodiment provides the structural composition of the NB-IoT intelligent gas meter, wherein the microprocessor 30, the NB-IoT communication chip 20, the clock module 50, the display 60, and the memory 70 are integrated on the board 70 in the NB-IoT intelligent gas meter; the accumulator 30 is connected to the gas line, monitors the real-time gas usage, and communicates the real-time gas usage to the microprocessor 30 on the control board 70.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. An NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack, comprising:
the peripheral alarm equipment is arranged at the periphery of the NB-IoT intelligent gas meter and is used for monitoring gas state information; the gas state information includes: abnormal gas state information and normal gas state information;
the NB-IoT communication chip is arranged on the NB-IoT intelligent gas meter, a Bluetooth protocol stack is integrated inside the NB-IoT communication chip, and a Bluetooth alarm channel is established with the peripheral alarm equipment;
and when the gas state information is abnormal gas state information, the peripheral alarm equipment sends alarm information to the NB-IoT communication chip through the Bluetooth alarm channel.
2. The NB-IoT intelligent gas meter with a highly integrated bluetooth protocol stack of claim 1, further comprising a microprocessor,
the microprocessor is arranged on the NB-IoT intelligent gas meter and is used for receiving the alarm information and closing a gas valve in the NB-IoT intelligent gas meter.
3. The highly integrated bluetooth protocol stack NB-IoT intelligent gas meter according to claim 1, further comprising a gas meter production test system,
the NB-IoT communication chip is connected with the gas meter production test system through a Bluetooth test channel, and the gas meter production test system sends a test instruction to the NB-IoT communication chip through the Bluetooth test channel, so that the NB-IoT communication chip transmits the test instruction to the microprocessor, and the microprocessor executes a corresponding test task.
4. The NB-IoT intelligent gas meter with the highly integrated bluetooth protocol stack of claim 1,
the NB-IoT communication chip is connected with a remote server side through a remote communication channel, and the NB-IoT intelligent gas meter performs data interaction with the remote server through the remote communication channel; the data includes the alarm information.
5. The NB-IoT intelligent gas meter with the highly integrated bluetooth protocol stack of claim 2, further comprising an accumulator, a clock module, a power supply,
the power supply is connected with the NB-IoT intelligent gas meter and is used for supplying power to the NB-IoT intelligent gas meter;
the accumulator is arranged on the NB-IoT intelligent gas meter, connected with the microprocessor and used for detecting the real-time gas consumption;
the clock module is arranged on the NB-IoT intelligent gas meter, connected with the microprocessor and used for generating real-time clock data;
the microprocessor is used for reading the real-time clock data and the real-time gas consumption and sending the real-time clock data and the real-time gas consumption to the NB-IoT communication chip.
6. The highly integrated bluetooth protocol stack NB-IoT intelligent gas meter in accordance with claim 5, further comprising a display,
the microprocessor is connected with the display and used for sending the gas information to the display for displaying; the gas information includes: presetting gas meter configuration information, alarm information, real-time clock data and real-time gas consumption; the preset gas meter configuration information comprises: caliber of gas meter, platform information of internet of things.
7. The highly integrated bluetooth protocol stack NB-IoT intelligent gas meter in accordance with claim 5, further comprising a memory,
the memory is arranged on the NB-IoT intelligent gas meter, connected with the microprocessor and used for storing gas information; the gas information includes: presetting gas meter configuration information, alarm information, real-time clock data and real-time gas consumption; the preset gas meter configuration information comprises: caliber of gas meter, platform information of internet of things.
8. The NB-IoT intelligent gas meter with the highly integrated bluetooth protocol stack of claim 7,
the microprocessor is further configured to read an externally input update configuration signal received by the NB-IoT communication chip;
the memory is also used for receiving the update configuration signal written by the microprocessor to update the preset gas meter configuration information.
9. The highly integrated bluetooth protocol stack NB-IoT intelligent gas meter according to any of claims 1-8,
the NB-IoT communication chip is a communication device that highly integrates the BLE5.0 protocol stack.
10. The highly integrated bluetooth protocol stack NB-IoT intelligent gas meter according to any of claims 1-8,
the microprocessor is further configured to automatically generate an AT command to enable the NB-IoT communication chip to start and configure a bluetooth protocol stack.
CN202321342351.1U 2023-05-30 2023-05-30 NB-IoT intelligent gas meter with highly integrated Bluetooth protocol stack Active CN219996256U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321342351.1U CN219996256U (en) 2023-05-30 2023-05-30 NB-IoT intelligent gas meter with highly integrated Bluetooth protocol stack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321342351.1U CN219996256U (en) 2023-05-30 2023-05-30 NB-IoT intelligent gas meter with highly integrated Bluetooth protocol stack

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CN219996256U true CN219996256U (en) 2023-11-10

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