CN210719303U - Non-magnetic remote water meter based on NB-IOT - Google Patents
Non-magnetic remote water meter based on NB-IOT Download PDFInfo
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- CN210719303U CN210719303U CN201921684242.1U CN201921684242U CN210719303U CN 210719303 U CN210719303 U CN 210719303U CN 201921684242 U CN201921684242 U CN 201921684242U CN 210719303 U CN210719303 U CN 210719303U
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Abstract
The utility model discloses a no long-range water gauge of magnetism based on NB-IOT, including the MCU module and respectively with power module, display module, NB-IOT communication module and the flow monitoring module that the MCU module is connected, the flow monitoring module includes first LC resonance circuit, second LC resonance circuit and third LC resonance circuit, detects water gauge flow data and sends it for the MCU module to handle through first LC resonance circuit, second LC resonance circuit and third LC resonance circuit, and the MCU module carries out remote transmission to the network with information through NB-IOT communication module again, realizes water gauge flow remote acquisition, long service life, and measured data is reliable.
Description
Technical Field
The utility model relates to a water gauge field, in particular to no magnetism remote water gauge based on NB-IOT.
Background
At present, the traditional water meter scheme mainly adopts a Hall sensor, a reed switch and the like to detect the flow, so a permanent magnet is needed on an impeller, and because the rustiness and the water quality of a water supply pipeline are poor, the magnet on the impeller can easily adsorb scrap iron, rust and the like in water and form accumulation, thereby the rotation of the impeller is blocked, the abrasion is increased, the impeller can not rotate seriously or even, and the service life of the water meter is greatly influenced. And the magnetic force of the permanent magnet is slowly weakened due to long-time work, so that the acquired data is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a long-range water gauge of no magnetism based on NB-IOT improves water gauge life and reliability.
According to the embodiment of the utility model, a no magnetism remote water gauge based on NB-IOT, including MCU module and respectively with power module, display module, NB-IOT communication module and the flow monitoring module of MCU module connection, power module is used for supplying power for MCU module, display module, NB-IOT communication module and flow monitoring module, display module is used for showing the water gauge flow, NB-IOT communication module is used for carrying out remote transmission with the data that detect, MCU module is used for receiving the data that flow monitoring module detected and sends flow information to NB-IOT communication module, flow monitoring module includes first LC resonance circuit, second LC resonance circuit and third LC resonance circuit, first LC resonance circuit, second LC resonance circuit and third LC resonance circuit all include inductance type sensor and electric capacity that connect in parallel each other, the inductive sensor is arranged on a water meter pointer turntable, and the first LC resonance circuit, the second LC resonance circuit and the third LC resonance circuit are respectively connected with the MCU module and send detected data to the MCU module.
According to the utility model discloses long-range water gauge of no magnetism based on NB-IOT has following beneficial effect at least: the first LC resonance circuit, the second LC resonance circuit and the third LC resonance circuit are used for detecting the water meter flow data and sending the water meter flow data to the MCU module for processing, and the MCU module is used for remotely transmitting the information to the network through the NB-IOT communication module, so that the water meter flow remote acquisition is realized, the service life is long, and the measured data is reliable.
According to some embodiments of the invention, the MCU module employs an MSP430FR6989 chip.
According to some embodiments of the present invention, one end of the first LC resonant circuit is connected to the ESIVCC pin of the MSP430FR6989 chip, and the other end is connected to the ESIVCC/TEST0 pin of the MSP430FR6989 chip; one end of the second LC resonance circuit is connected with an ESIVCC pin of the MSP430FR6989 chip, and the other end of the second LC resonance circuit is connected with an ESIVCC/TEST1 pin of the MSP430FR6989 chip; one end of the third LC resonance circuit is connected with an ESIVCC pin of the MSP430FR6989 chip, and the other end of the third LC resonance circuit is connected with an ESIVCC/TEST21 pin of the MSP430FR6989 chip.
According to some embodiments of the invention, the one-half surface covering of water gauge pointer carousel has the copper sheet.
According to some embodiments of the invention, the power module is a battery.
According to some embodiments of the invention, the display module adopts a LED display.
According to some embodiments of the invention, the NB-IOT communications module employs a BC95 remoting module.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block diagram of a non-magnetic remote water meter according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a flow monitoring module according to an embodiment of the present invention;
fig. 3 is a pin connection diagram of the MCU module according to an embodiment of the present invention;
fig. 4 is a pin connection diagram of a display module according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, if there are first, second, third, etc. described, it is only for the purpose of distinguishing technical features, and it is not understood that relative importance is indicated or implied or that the number of indicated technical features is implicitly indicated or that the precedence of the indicated technical features is implicitly indicated.
Referring to fig. 1 and 2, a non-magnetic remote water meter based on NB-IOT comprises an MCU module 100, and a power module 400, a display module 300, an NB-IOT communication module 500 and a flow monitoring module 200 respectively connected to the MCU module 100, the power module 400 is used to supply power to the MCU module 100, the display module 300, the NB-IOT communication module 500 and the flow monitoring module 200, the display module 300 is used to display water meter flow, the NB-IOT communication module 500 is used to remotely transmit detected data, the MCU module 100 is used to receive data detected by the flow monitoring module 200 and transmit the data to the NB-IOT communication module 500, the flow monitoring module 200 comprises a first LC resonant circuit 210, a second LC resonant circuit 220 and a third LC resonant circuit 230, the first LC resonant circuit 210, the second LC resonant circuit 220 and the third LC resonant circuit 230 all comprise inductive sensors and capacitors connected in parallel to each other, the inductive sensor is arranged on a water meter pointer turntable, a copper sheet covers one half of the surface of the water meter pointer turntable, electromagnetic field energy generated by oscillation of the resonant circuit can be absorbed by the copper sheet, the inductive sensors in the first LC resonant circuit 210, the second LC resonant circuit 220 and the third LC resonant circuit 230 are arranged on the turntable, when the turntable rotates, the current of the resonant circuits changes, so that the rotation amount is changed into the current amount, and the first LC resonant circuit 210, the second LC resonant circuit 220, the third LC resonant circuit 230 and the MCU module 100 are connected and send detected data to the MCU module 100. The flow data of the water meter are detected through the first LC resonance circuit 210, the second LC resonance circuit 220 and the third LC resonance circuit 230 and are sent to the MCU module 100 to be processed, and the MCU module 100 remotely transmits the information to the network through the NB-IOT communication module 500, so that the remote collection of the flow of the water meter is realized, the service life is long, and the measured data is reliable.
Further, in this embodiment, the MCU module 100 uses an MSP430FR6989 chip as a processing chip, the operation speed is fast, the chip pins are connected as shown in fig. 3, one end of the first LC resonant circuit 210 is connected to the ESIVCC pin of the MSP430FR6989 chip, and the other end is connected to the vcc/TEST0 pin of the MSP430FR6989 chip; one end of the second LC resonance circuit 220 is connected with an ESIVCC pin of the MSP430FR6989 chip, and the other end is connected with an ESIVCC/TEST1 pin of the MSP430FR6989 chip; one end of the third LC resonant circuit 230 is connected to the ESIVCC pin of the MSP430FR6989 chip, and the other end is connected to the ESIVCC/TEST21 pin of the MSP430FR6989 chip, the flow of the water meter is detected by the first LC resonant circuit 210, the second LC resonant circuit 220, and the third LC resonant circuit 230 and sent to the MSP430FR6989 chip for processing, and the MSP430FR6989 chip sends the processing result to the communication module 500.
In this embodiment, the display module 300 is an LED display, and the connection relationship between the LED display and the pin of the MSP430FR6989 chip is shown in fig. 4, and the power module 400 is a lithium battery to supply power to other modules. The NB-IOT communication module 500 adopts a BC95 remote module to remotely transmit data, and the remote terminal receives water meter flow data through a network platform, the size of the remote terminal is only 23.6mm multiplied by 19.9mm multiplied by 2.2mm, so that the requirement of terminal equipment on small-size module products can be met to the maximum extent.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Claims (7)
1. The utility model provides a no magnetism remote water gauge based on NB-IOT which characterized in that: the water meter comprises an MCU module (100), and a power module (400), a display module (300), an NB-IOT communication module (500) and a flow monitoring module (200) which are respectively connected with the MCU module (100), wherein the power module (400) is used for supplying power to the MCU module (100), the display module (300), the NB-IOT communication module (500) and the flow monitoring module (200), the display module (300) is used for displaying the flow of a water meter, the NB-IOT communication module (500) is used for remotely transmitting detected data, the MCU module (100) is used for receiving the data detected by the flow monitoring module (200) and transmitting flow information to the NB-IOT communication module (500), and the flow monitoring module (200) comprises a first LC resonance circuit (210), a second LC resonance circuit (220) and a third LC resonance circuit (230), first LC resonance circuit (210), second LC resonance circuit (220) and third LC resonance circuit (230) all include inductance type sensor and the electric capacity that connects in parallel each other, inductance type sensor sets up on water gauge pointer carousel, first LC resonance circuit (210), second LC resonance circuit (220) and third LC resonance circuit (230) respectively with MCU module (100) is connected and is sent the data that detect to MCU module (100).
2. The NB-IOT based nonmagnetic remote water meter as set forth in claim 1, wherein: the MCU module (100) adopts an MSP430FR6989 chip.
3. A non-magnetic remote water meter based on NB-IOT in accordance with claim 2, wherein: one end of the first LC resonance circuit (210) is connected with an ESIVCC pin of an MSP430FR6989 chip, and the other end of the first LC resonance circuit is connected with an ESIVCC/TEST0 pin of the MSP430FR6989 chip; one end of the second LC resonance circuit (220) is connected with an ESIVCC pin of the MSP430FR6989 chip, and the other end of the second LC resonance circuit is connected with an ESIVCC/TEST1 pin of the MSP430FR6989 chip; one end of the third LC resonant circuit (230) is connected with an ESIVCC pin of the MSP430FR6989 chip, and the other end is connected with an ESIVCC/TEST21 pin of the MSP430FR6989 chip.
4. The NB-IOT based nonmagnetic remote water meter as set forth in claim 1, wherein: and a copper sheet covers one half of the surface of the water meter pointer turntable.
5. The NB-IOT based nonmagnetic remote water meter as set forth in claim 1, wherein: the power module (400) is a battery.
6. The NB-IOT based nonmagnetic remote water meter as set forth in claim 1, wherein: the display module (300) adopts an LED display.
7. The NB-IOT based nonmagnetic remote water meter as set forth in claim 1, wherein: the NB-IOT communication module (500) employs a BC95 remoting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684242.1U CN210719303U (en) | 2019-10-09 | 2019-10-09 | Non-magnetic remote water meter based on NB-IOT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684242.1U CN210719303U (en) | 2019-10-09 | 2019-10-09 | Non-magnetic remote water meter based on NB-IOT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210719303U true CN210719303U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921684242.1U Active CN210719303U (en) | 2019-10-09 | 2019-10-09 | Non-magnetic remote water meter based on NB-IOT |
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| Country | Link |
|---|---|
| CN (1) | CN210719303U (en) |
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- 2019-10-09 CN CN201921684242.1U patent/CN210719303U/en active Active
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