CN215064685U - NB _ IOT (network b of things) water meter based on magneto-resistive sensor - Google Patents
NB _ IOT (network b of things) water meter based on magneto-resistive sensor Download PDFInfo
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- CN215064685U CN215064685U CN202120178526.4U CN202120178526U CN215064685U CN 215064685 U CN215064685 U CN 215064685U CN 202120178526 U CN202120178526 U CN 202120178526U CN 215064685 U CN215064685 U CN 215064685U
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Abstract
The invention discloses a magnetic resistance sensor-based NB _ IOT (network b _ internet of things) water meter, which comprises a base meter module, a metering sampling module, a data processing module, a magnetic attack detection module and a communication module. The base table module is the body of whole water gauge, make the water that needs to be surveyed flow through can produce magnetic field variation and can be surveyed from the base table module, measurement sampling module turns into the signal of telecommunication with this kind of periodic magnetic field signal, then reach data processing module with this kind of signal of telecommunication, data processing module changes this data into water yield data, magnetic attack detection module converts external magnetic field interference into pulse level signal, then carry this signal to data processing module, data processing module becomes this signal magnetic interference alarm information, communication module uploads information such as water yield to the water utilities platform, make the water utilities company know the water gauge operational aspect of every family, if there is abnormal information can in time fix a position the searching reason, reduce the water loss.
Description
Technical Field
The invention relates to the field of water meters, in particular to an NB _ IOT (network b of things) water meter based on a magneto-resistive sensor.
Background
With the development of electronic technology and information technology, the informatization development of the traditional industry is changing day by day, the water affair informatization level is also continuously improved, the traditional manual meter reading and manual information acquisition can not meet the increasingly improved management requirements, the informatization level of a water affair company is directly influenced, and even the management decision and the economic benefit of the water affair company are influenced.
The existing water meter is not intelligent enough, so that fault detection cannot be carried out, and water resource waste can be caused.
Disclosure of Invention
The invention aims to provide a reluctance sensor-based NB _ IOT (network b of things) water meter, and aims to solve the problem that the existing water meter is not intelligent enough, so that fault detection cannot be carried out, and water resource waste can be caused.
In order to achieve the purpose, the invention provides an NB _ IOT (network b of things) water meter based on a magnetoresistive sensor, which comprises a base meter module, a metering and sampling module, a data processing module, a magnetic attack detection module and a communication module, wherein the metering and sampling module, the data processing module, the magnetic attack detection module and the communication module are arranged on the base meter module, and the base meter module is used for allowing water flow to pass through; the metering sampling module is used for sampling the water flow passing through the base meter module; the data processing module is used for processing the sampling data to obtain flow information; the magnetic attack detection module is used for detecting an external magnetic field and giving an alarm; and the communication module is used for uploading the alarm information and the flow information to the water service platform.
Wherein, the base table module includes base, gauge outfit, impeller, gear train, circuit board and pointer, the base has water inlet and delivery port, water inlet and delivery port are located the both sides of base, the gauge outfit with base fixed connection, and be located one side of base, the impeller with the gauge outfit rotates to be connected, and is located in the base, the gear train with the impeller meshing, and be located one side of gauge outfit, the pointer has magnet, magnet is located one side of pointer, the pointer with gear train fixed connection, and be located one side of gear train, the circuit board with gauge outfit fixed connection, and be located one side of gauge outfit.
The metering sampling module comprises a sampling unit and a conversion unit, and the sampling unit is connected with the conversion unit; the sampling unit is used for sampling the water flow information to obtain sampling data; and the conversion unit is used for converting the sampling data to obtain a sampling electric signal.
The data processing module comprises a clock unit, a data conversion unit and a water quantity judging unit, wherein the clock unit, the data conversion unit and the water quantity judging unit are sequentially connected; the clock unit is used for timing; the data conversion unit is used for converting the sampling electric signal into flow data; and the water quantity judging unit is used for judging abnormal flow quantity based on the timing data and the flow quantity data.
The magnetic attack detection module comprises an attack detection unit and an alarm output unit, and the attack detection unit and the alarm output unit are sequentially connected; the attack detection unit is used for detecting the external magnetic field intensity to obtain an intensity information value; and the alarm output unit is used for sending out an alarm based on the intensity information value.
The communication module comprises a transmission unit and an alarm unit, and the transmission unit is connected with the alarm unit; the transmission unit is used for transmitting the flow data to the water service platform; and the alarm unit is used for uploading the abnormal flow information and the alarm information to the water service platform.
In the embodiment of the invention, the base meter module is the body of the whole water meter, so that water to be measured flows through the base meter module and can generate magnetic field change to be measured, the measurement sampling module converts the periodic magnetic field signal into an electric signal and transmits the electric signal to the data processing module, the data processing module converts the data into water quantity data, the magnetic attack detection module converts external magnetic field interference (attack) into a pulse level signal and transmits the pulse level signal to the data processing module, the data processing module converts the signal into magnetic interference alarm information, the communication module uploads the water quantity and other information to the water service platform, so that a water service company can know the water meter running condition of each household, and if abnormal information exists, the reason can be located and searched in time, reduce the water loss to solve current water gauge intelligence inadequately, make unable to carry out fault detection, can lead to water waste's problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural diagram of an NB _ IOT internet of things water meter based on a magnetoresistive sensor according to the present invention;
fig. 2 is a structural diagram of a metering sampling module, a data processing module, a magnetic attack detection module and a communication module of the present invention.
The system comprises a base meter module 1, a base meter module 2, a metering sampling module 3, a data processing module 4, a magnetic attack detection module 5, a communication module 11, a base 12, a meter head 13, an impeller 14, a gear set 15, a circuit board 16, a pointer 17, a battery 18, a mounting plate 19, a connecting ring 21, a sampling unit 22, a conversion unit 22, a clock unit 31, a data conversion unit 32, a water quantity judgment unit 33, an attack detection unit 41, an alarm output unit 42, a transmission unit 51, an alarm unit 52, a water inlet 111, a water outlet 112 and a magnet 161.
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 or similar 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, the present invention provides a magnetic resistance sensor-based NB _ IOT internet of things water meter, including:
the device comprises a base table module 1, a metering sampling module 2, a data processing module 3, a magnetic attack detection module 4 and a communication module 5, wherein the metering sampling module 2, the data processing module 3, the magnetic attack detection module 4 and the communication module 5 are arranged on the base table module 1;
the base meter module 1 is used for allowing water flow to pass through;
the metering sampling module 2 is used for sampling the water flow passing through the base meter module 1;
the data processing module 3 is used for processing the sampling data to obtain flow information;
the magnetic attack detection module 4 is used for detecting an external magnetic field and giving an alarm;
and the communication module 5 is used for uploading the alarm information and the flow information to a water service platform.
In this embodiment, the base meter module 1 is the body of the whole water meter, so that the water to be measured can be measured by changing the magnetic field when flowing through the base meter module 1, the metering and sampling module 2 converts the periodic magnetic field signal into an electric signal and then transmits the electric signal to the data processing module 3, the data processing module 3 converts the data into water volume data, the magnetic attack detection module 4 converts the external magnetic field interference (attack) into a pulse level signal and then transmits the pulse level signal to the data processing module 3, the data processing module 3 converts the signal into magnetic interference alarm information, the communication module 5 uploads the information such as the water volume to the water service platform, so that the water service company can know the water meter operation condition of each household, and if abnormal information exists, the reason can be located and searched in time, so as to reduce the water loss, thereby solve current water gauge intelligent inadequately for can't carry out fault detection, can lead to the problem of water waste.
Further, base table module 1 includes base 11, gauge outfit 12, impeller 13, gear train 14, circuit board 15 and pointer 16, base 11 has water inlet 111 and delivery port 112, water inlet 111 and delivery port 112 are located the both sides of base 11, gauge outfit 12 with base 11 fixed connection, and be located one side of base 11, impeller 13 with gauge outfit 12 rotates to be connected, and is located in base 11, gear train 14 with impeller 13 meshes, and is located one side of gauge outfit 12, pointer 16 has magnet 161, magnet 161 is located one side of pointer 16, pointer 16 with gear train 14 fixed connection, and be located one side of gear train 14, circuit board 15 with gauge outfit 12 fixed connection, and be located one side of gauge outfit 12.
In this embodiment, base 11 is the cavity interface, through water inlet 111 can let rivers pass through, then follows the outlet is discharged, drives through the time in the base 11 impeller 13 rotates, through gear train 14 transmission and drive pointer 16 rotates, have magnet 161 on the pointer 16 to can produce the periodic variation in magnetic field, magnet 161 adopts the neodymium iron boron material of the mode of magnetizing to make, and the shape is the cylinder, and upper and lower both ends are N, S grades respectively, circuit board 15 is used for the installation measurement sampling module 2 data processing module 3 the magnetic attack detection module 4 with communication module 5.
Further, the metering sampling module 2 comprises a sampling unit 21 and a conversion unit 22, wherein the sampling unit 21 is connected with the conversion unit 22;
the sampling unit 21 is configured to sample water flow information to obtain sampling data;
the conversion unit 22 is configured to convert the sampling data to obtain a sampling electrical signal.
In this embodiment, the sampling unit 21 is composed of two dual-purpose magnetic sensors, and can detect the periodic change of the magnetic field generated by the movement of the magnet 161, and generate different level change signals when the pointer 16 rotates clockwise or counterclockwise, and can determine the rotation direction of the impeller 13 according to the change signals, thereby determining the forward and reverse directions of the water flow and realizing the measurement of the forward and reverse flow rates. The conversion unit 22 is mainly composed of an analog-to-digital converter, and is used for converting an analog signal into an electrical signal and outputting the electrical signal. In addition, two magnetic sensors for metering adopt full-grade magnetic switch sensors. The projection of the rotating shaft of the pointer 16 on the circuit board 15 is a circular point, the length of the pointer 16 is a diameter, a circle is formed, the two magnetic sensors are located on the circle, and the effect is best when the angle is 90 degrees.
Further, the data processing module 3 includes a clock unit 31, a data conversion unit 32 and a water amount determination unit 33, and the clock unit 31, the data conversion unit 32 and the water amount determination unit 33 are sequentially connected;
the clock unit 31 is used for timing;
the data conversion unit 32 is configured to convert the sampling electrical signal into flow data;
and the water amount judging unit 33 is configured to perform flow abnormality judgment based on the timing data and the flow data.
In this embodiment, the clock unit 31 is synchronized with a real clock, and can intelligently determine the water usage condition by comparing with the flow data generated by the data conversion unit 32, especially when the water volume changes continuously for several days in general non-water time (for example, midnight) and the variation range is not very different, it can be determined that the water meter of the user has a suspected water leakage fault, and the water volume determination unit 33 can notify the platform of the water meter of the user that the water meter has the fault by a timing reporting function after determining that the water volume is abnormal, and a worker needs to be sent to check the water meter at home, so that the fault can be found in time, and the fault can be processed in time, thereby saving water resources.
Further, the magnetic attack detection module 4 includes an attack detection unit 41 and an alarm output unit 42, and the attack detection unit 41 and the alarm output unit 42 are connected in sequence;
the attack detection unit 41 is configured to detect an external magnetic field strength to obtain an intensity information value;
the alarm output unit 42 is configured to issue an alarm based on the intensity information value.
In this embodiment, the attack detection unit 41 is formed by a magnetic sensor, is not affected by the magnet 161 on the pointer 16, and is used for detecting an external vertical magnetic field in real time, and when the external magnetic field intensity is too large and exceeds a set value, which may affect the normal operation of the magnetic sensor, the alarm output unit 42 may generate an alarm pulse signal to prompt, so as to interfere with the processing in time.
Further, the communication module 5 includes a transmission unit 51 and an alarm unit 52, and the transmission unit 51 is connected to the alarm unit 52;
the transmission unit 51 is used for transmitting the flow data to the water service platform;
and the alarm unit 52 is used for uploading the abnormal flow information and the alarm information to the water service platform.
Further, the base watch module 1 further includes a battery 17, and the battery 17 is electrically connected to the circuit board 15 and located on one side of the watch head 12.
In this embodiment, the battery 17 can supply power to the circuit board 15 to ensure its normal operation.
Further, the base meter module 1 further comprises an installation plate 18, wherein the installation plate 18 is fixedly connected with the base 11 and is located on one side of the base 11.
In this embodiment, the mounting plate 18 is provided with a plurality of mounting holes, and the water meter can be more conveniently mounted through the plurality of mounting holes.
Further, the base meter module 1 further includes two connection rings 19, and the two connection rings 19 are fixedly connected to the base 11 and respectively located at the water inlet 111 and the water outlet 112.
In this embodiment, the connection ring 19 is provided at the water inlet 111 and the water outlet 112, and the connection ring 19 is threaded, so that connection with an external water pipe is more convenient.
The working principle and the using process of the invention are as follows: referring to fig. 1 and 2, after the present invention is installed, water enters from the water inlet 111 to drive the impeller 13 to rotate, and then is discharged from the water outlet, the impeller 13 drives the pointer 16 to rotate under the action of the gear set 14, the magnet 161 on the pointer 16 rotates to generate a change of a magnetic field, the measurement sampling module 2 converts the periodic magnetic field signal into an electrical signal, and then transmits the electrical signal to the data processing module 3, the data processing module 3 converts the data into water quantity data, the magnetic attack detection module 4 converts external magnetic field interference (attack) into a pulse level signal, and then transmits the signal to the data processing module 3, the data processing module 3 converts the signal into magnetic interference alarm information, and the communication module 5 uploads the information such as the water quantity to the water service platform, the water supply company can know the running condition of the water meter of each household, if abnormal information exists, the reason can be located and searched in time, water loss is reduced, and therefore the problem that the existing water meter is not intelligent enough, fault detection cannot be carried out, and water resource waste can be caused is solved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (1)
1. A magnetic resistance type sensor-based NB _ IOT Internet of things water meter is characterized in that,
the device comprises a base table module, a metering sampling module, a data processing module, a magnetic attack detection module and a communication module, wherein the metering sampling module, the data processing module, the magnetic attack detection module and the communication module are arranged on the base table module;
the base meter module is used for allowing water flow to pass through; the base meter module comprises a base, a meter head, an impeller, a gear set, a circuit board and a pointer, wherein the base is provided with a water inlet and a water outlet, the water inlet and the water outlet are positioned on two sides of the base, the meter head is fixedly connected with the base and positioned on one side of the base, the impeller is rotatably connected with the meter head and positioned in the base, the gear set is meshed with the impeller and positioned on one side of the meter head, the pointer is provided with a magnet, the magnet is positioned on one side of the pointer, the pointer is fixedly connected with the gear set and positioned on one side of the gear set, and the circuit board is fixedly connected with the meter head and positioned on one side of the meter head;
the metering sampling module is used for sampling the water flow passing through the base meter module;
the data processing module is used for processing the sampling data to obtain flow information;
the magnetic attack detection module is used for detecting an external magnetic field and giving an alarm;
and the communication module is used for uploading the alarm information and the flow information to the water service platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120178526.4U CN215064685U (en) | 2021-01-22 | 2021-01-22 | NB _ IOT (network b of things) water meter based on magneto-resistive sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120178526.4U CN215064685U (en) | 2021-01-22 | 2021-01-22 | NB _ IOT (network b of things) water meter based on magneto-resistive sensor |
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| Publication Number | Publication Date |
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| CN215064685U true CN215064685U (en) | 2021-12-07 |
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| CN202120178526.4U Active CN215064685U (en) | 2021-01-22 | 2021-01-22 | NB _ IOT (network b of things) water meter based on magneto-resistive sensor |
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- 2021-01-22 CN CN202120178526.4U patent/CN215064685U/en active Active
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