Non-contact non-magnetic internet-of-things intelligent water meter based on multi-sensor data acquisition

Abstract

The invention relates to a non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition. The water meter comprises a lower shell, a filtering cover is installed on the inner side of the lower shell, an impeller box is connected to the inner side of the filtering cover in a sleeved mode, an impeller is installed in the impeller box, a waterproof shell is connected to the upper portion of the impeller box, a rotary table is connected to the upper portion of the impeller, metal sheets are arranged on the rotary table, and a groove matched with the rotary table is formed in the bottom of the waterproof shell. The turntable is used for driving metal sheets to rotate; a temperature and pressure sensor and an electromagnetic wave probe are installed in the waterproof shell, an upper shell is connected to the upper portion of the waterproof shell, a circuit board is installed in the upper shell, and the temperature and pressure sensor and the electromagnetic wave probe are electrically connected with the circuit board. A through hole is formed in the bottom of the waterproof shell, the temperature and pressure sensor makes contact with water flow through the through hole, and the electromagnetic wave probe comprises a first coil and a second coil. The non-contact non-magnetic internet-of-things intelligent water meter based on multi-sensor data acquisition adopts a non-magnetic induction mode, and is accurate in metering and high in intelligent level.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent water meters, and particularly to a non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition. Background Art

[0002] With the continuous progress of technology, the performance requirements for water meters in intelligent water services are constantly increasing. At present, intelligent water meter solutions are increasingly difficult to meet market needs. First, most intelligent water meters are driven by magnetic components and are easily interfered by external magnetic fields, resulting in inaccurate measurement. Second, the data reading of traditional water meters relies on manual work, with low reading efficiency and easy errors. Third, traditional water meters lack intelligent sensing modules and cannot achieve intelligent management. Summary of the Invention

[0003] Based on this, in view of the problem that current intelligent water meter solutions are increasingly difficult to meet market needs, it is necessary to provide a non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition.

[0004] A non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition includes a lower shell. A filter cover is installed inside the lower shell. An impeller box is sleeved inside the filter cover. An impeller is installed inside the impeller box. A water isolation shell is connected above the impeller box. A turntable is connected above the impeller. A semi-circular metal sheet is provided on the turntable. A groove for cooperating with the turntable is provided at the bottom of the water isolation shell. The impeller is used to rotate driven by water flow and then drive the turntable to rotate. The turntable is used to drive the metal sheet to rotate. The middle shell is installed outside the water isolation shell. The middle shell is respectively connected to the lower shell and the upper shell. A temperature and pressure sensor and an electromagnetic wave probe are installed inside the water isolation shell. The upper shell is connected above the water isolation shell. A circuit board is installed inside the upper shell. The temperature and pressure sensor and the electromagnetic wave probe are respectively electrically connected to the circuit board. A through hole for cooperating with the temperature and pressure sensor is provided at the bottom of the water isolation shell. The temperature and pressure sensor contacts the water flow inside the impeller box through the through hole. The electromagnetic wave probe includes a first coil and a second coil. The first coil and the second coil are respectively used to independently emit electromagnetic waves and independently collect the echo signals formed by the metal sheet reflecting the electromagnetic waves.

[0005] The above non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition includes a lower shell, a filter cover is installed inside the lower shell, an impeller box is sleeved inside the filter cover, an impeller is installed inside the impeller box, a water isolation shell is connected above the impeller box, a turntable is connected above the impeller, a semi-circular metal sheet is provided on the turntable, a groove for matching the turntable is provided at the bottom of the water isolation shell, the impeller is used to rotate driven by the water flow and then drive the turntable to rotate, and the turntable is used to drive the metal sheet to rotate; a middle shell is installed outside the water isolation shell, the middle shell is respectively connected to the lower shell and the upper shell, a temperature and pressure sensor and an electromagnetic wave probe are installed inside the water isolation shell, the upper shell is connected above the water isolation shell, a circuit board is installed inside the upper shell, the temperature and pressure sensor and the electromagnetic wave probe are respectively electrically connected to the circuit board; a through hole for matching the temperature and pressure sensor is provided at the bottom of the water isolation shell, and the temperature and pressure sensor contacts the water flow inside the impeller box through the through hole. The electromagnetic wave probe includes a first coil and a second coil, and the first coil and the second coil are respectively used to independently emit electromagnetic waves and independently collect the echo signals formed by the metal sheet reflecting the electromagnetic waves. When the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition works, the water flow enters the lower shell and then enters the impeller box through the filter cover. The water flow drives the impeller to rotate, the impeller rotation drives the turntable to rotate, and the turntable rotation drives the metal sheet to rotate. The first coil and the second coil can respectively independently emit electromagnetic waves and independently collect the echo signals formed by the metal sheet reflecting the electromagnetic waves. The circuit board can respectively process the echo signals collected by the first coil and the second coil, and judge the number of rotation turns and the forward and reverse rotation conditions of the impeller according to the processing results. It can be seen that the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition uses a non-contact electromagnetic wave detection method to measure the water consumption, which can avoid the problem of low measurement accuracy caused by the interference of the magnetic field in the traditional water meter. Further, the water temperature and water pressure can be detected through the temperature and pressure sensor, thereby improving the intelligent level of the water meter.

[0006] In one embodiment, the circuit board includes a first sensing module, a second sensing module and a processor module, and the first sensing module and the second sensing module are respectively electrically connected to the processor module; The first sensing module is electrically connected to the first coil, and is used to control the first coil to emit electromagnetic waves, modulate the echo signal collected by the first coil and generate a first digital signal, and send the first digital signal to the processor module; The second sensing module is electrically connected to the second coil, and is used to control the second coil to emit electromagnetic waves, modulate the echo signal collected by the second coil and generate a second digital signal, and send the second digital signal to the processor module.

[0007] In one embodiment, a sealing ring is installed at the top of the water isolation shell.

[0008] In one embodiment, the lower shell includes a water inlet and a water outlet. The water inlet is provided with a first guiding surface, and the water outlet is provided with a second guiding surface; The first guiding surface is disposed above the water inlet and extends in the direction of the filter cover, for guiding water flow from the water inlet through the filter cover into the impeller box; The second guiding surface is disposed below the water outlet and extends in the direction of the impeller box, for guiding water flow from the impeller box to the water outlet.

[0009] In one embodiment, the circuit board includes a communication module, and the communication module is used for information interaction with a cloud server through wireless communication technology.

[0010] In one embodiment, a digital display screen is provided on the circuit board.

[0011] In one embodiment, a transparent sealing cover is sleeved outside the circuit board.

[0012] In one embodiment, a lithium battery is provided inside the water isolation shell; The lithium battery is electrically connected to the circuit board for supplying power to the circuit board.

[0013] In one embodiment, the upper shell includes an upper shell body and a light-shielding cover, and the upper shell body and the light-shielding cover are hinged.

[0014] In one embodiment, a plurality of bumps are formed circumferentially at the bottom of the water isolation shell, and grooves for mating with the bumps are formed at the top of the impeller box. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to the present invention; Figure 2 It is a schematic cross-sectional structure diagram of the lower shell of the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to the present invention; Figure 3 It is a schematic diagram of a partial mating structure of the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to the present invention; Figure 4 It is a schematic diagram of the structure of the upper shell of the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to the present invention; Figure 5 It is a schematic diagram of the structure of the water isolation shell of the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to the present invention; Figure 6Schematic diagram of the impeller box in the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition of the present invention; Figure 7 Another partial mating structure schematic diagram of the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition of the present invention; Figure 8 Block diagram of the circuit board in the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition of the present invention; Figure 9 Physical structure schematic diagram of the circuit board in the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition of the present invention; Figure 10 Sectional decomposition diagram of the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition of the present invention; Among them, 10 is the lower shell, 20 is the filter cover, 30 is the impeller box, 40 is the impeller, 50 is the water isolation shell, 60 is the upper shell, 70 is the circuit board, 80 is the digital display screen, 90 is the transparent sealing cover, 11 is the water inlet, 111 is the first guiding surface, 12 is the water outlet, 121 is the second guiding surface, 31 is the card slot, 41 is the turntable, 42 is the metal sheet, 51 is the groove, 52 is the temperature and pressure sensor, 53 is the electromagnetic wave probe, 54 is the lithium battery, 55 is the card block, 56 is the middle shell, 57 is the sealing ring, 61 is the upper shell body, 62 is the light-shielding cover, 71 is the first sensing module, 72 is the second sensing module, 73 is the processor module, 74 is the communication module. Detailed implementation manners

[0016] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the following will describe the detailed implementation manners of the present invention in conjunction with the drawings. Many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0017] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. On the contrary, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this invention belongs. The terms used in the description of the present invention herein are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the related listed items.

[0019] The present invention discloses a non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition.

[0020] As Figures 1 to 10 shown, the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition includes a lower shell 10, a filter cover 20 is installed inside the lower shell 10, an impeller box 30 is sleeved inside the filter cover 20, an impeller 40 is installed inside the impeller box 30, a water isolation shell 50 is connected above the impeller box 30, a turntable 41 is connected above the impeller 40, a semi-circular metal sheet 42 is provided on the turntable 41, a groove 51 for cooperating with the turntable 41 is provided at the bottom of the water isolation shell 50, the impeller 40 is used to rotate under the drive of water flow and then drive the turntable 41 to rotate, and the turntable 41 is used to drive the metal sheet 42 to rotate; a middle shell 56 is installed outside the water isolation shell 50, the middle shell 56 is respectively connected to the lower shell 10 and the upper shell 60, a temperature and pressure sensor 52 and an electromagnetic wave probe 53 are installed inside the water isolation shell 50, the water isolation shell 50 is connected to the upper shell 60 above, a circuit board 70 is installed inside the upper shell 60, and the temperature and pressure sensor 52 and the electromagnetic wave probe 53 are respectively electrically connected to the circuit board 70; a through hole for cooperating with the temperature and pressure sensor 52 is provided at the bottom of the water isolation shell 50, and the temperature and pressure sensor 52 contacts the water flow inside the impeller box 30 through the through hole. The electromagnetic wave probe 52 includes a first coil and a second coil, and the first coil and the second coil are respectively used to independently emit electromagnetic waves and independently collect the echo signals formed by the metal sheet 42 reflecting the electromagnetic waves.

[0021] The above non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition includes a lower shell, a filter cover is installed inside the lower shell, an impeller box is sleeved inside the filter cover, an impeller is installed inside the impeller box, a water isolation shell is connected above the impeller box, a turntable is connected above the impeller, a semi-circular metal sheet is provided on the turntable, a groove for matching the turntable is provided at the bottom of the water isolation shell, the impeller is used to rotate driven by the water flow and then drive the turntable to rotate, and the turntable is used to drive the metal sheet to rotate; a middle shell is installed outside the water isolation shell, the middle shell is respectively connected to the lower shell and the upper shell, a temperature and pressure sensor and an electromagnetic wave probe are installed inside the water isolation shell, the upper shell is connected above the water isolation shell, a circuit board is installed inside the upper shell, the temperature and pressure sensor and the electromagnetic wave probe are respectively electrically connected to the circuit board; a through hole for matching the temperature and pressure sensor is provided at the bottom of the water isolation shell, and the temperature and pressure sensor contacts the water flow inside the impeller box through the through hole. The electromagnetic wave probe includes a first coil and a second coil, and the first coil and the second coil are respectively used to independently emit electromagnetic waves and independently collect the echo signals formed by the metal sheet reflecting the electromagnetic waves. When the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition works, the water flow enters the lower shell and then enters the impeller box through the filter cover. The water flow drives the impeller to rotate, the impeller rotation drives the turntable to rotate, and the turntable rotation drives the metal sheet to rotate. The first coil and the second coil can respectively independently emit electromagnetic waves and independently collect the echo signals formed by the metal sheet reflecting the electromagnetic waves. The circuit board can respectively process the echo signals collected by the first coil and the second coil, and judge the number of rotation turns and the forward and reverse rotation conditions of the impeller according to the processing results. It can be seen that the non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition uses a non-contact electromagnetic wave detection method to measure the water consumption, which can avoid the problem of low measurement accuracy caused by the interference of the magnetic field in the traditional water meter. Further, the water temperature and water pressure can be detected through the temperature and pressure sensor, so as to improve the intelligent level of the water meter.

[0022] Among them, the circuit board 70 includes a first sensing module 71, a second sensing module 72 and a processor module 73, and the first sensing module 71 and the second sensing module 72 are respectively electrically connected to the processor module 73; The first sensing module 71 is electrically connected to the first coil, and is used to control the first coil to emit electromagnetic waves, modulate the echo signal collected by the first coil and generate a first digital signal, and send the first digital signal to the processor module 73; the second sensing module 72 is electrically connected to the second coil, and is used to control the second coil to emit electromagnetic waves, modulate the echo signal collected by the second coil and generate a second digital signal, and send the second digital signal to the processor module 73.

[0023] The first sensing module 71 can detect the amplitude, frequency, and phase angle of the echo signal obtained by the first coil. The second sensing module 72 can detect the amplitude, frequency, and phase angle of the echo signal obtained by the second coil. The processor module 73 can determine the rotation direction and number of rotations of the impeller based on the amplitude, frequency, and phase angle detected by the first sensing module 71 and the second sensing module 72, and then perform water consumption metering.

[0024] Furthermore, the first sensing module 71 includes a first oscillator. The first oscillator is connected to the first coil, and the first oscillator emits electromagnetic waves through the first coil. When the metal sheet rotates to the detection effective area of the first coil, the echo signal generated by the metal sheet is received by the first coil. When the metal sheet leaves the detection effective area of the first coil, the first coil cannot receive the echo signal. The first sensing module 71 can generate a first digital signal for further processing by the processor module 73 based on whether the first coil can receive the echo signal and the amplitude, frequency, and phase angle of the echo signal. The pulse metering signal generated by the first sensing module 71 has the ability to resist magnetic and interference, ensuring that the metering pulse is not interfered by the magnetic field, realizing a non-magnetic sampling scheme, thereby guaranteeing the stability of the first digital signal and achieving accurate metering. The second sensing module 72 includes a second oscillator. The second oscillator is connected to the second coil, and the second oscillator emits electromagnetic waves through the second coil. When the metal sheet rotates to the detection effective area of the second coil, the echo signal generated by the metal sheet is received by the second coil. When the metal sheet leaves the detection effective area of the second coil, the second coil cannot receive the echo signal. The second sensing module 72 can generate a second digital signal for further processing by the processor module 73 based on whether the second coil can receive the echo signal and the amplitude, frequency, and phase angle of the echo signal. The pulse signal generated by the second sensing module 72 has the ability to resist magnetic and interference, ensuring that the metering pulse is not interfered by the magnetic field, realizing a non-magnetic sampling scheme, thereby guaranteeing the stability of the second digital metering and achieving accurate metering. Among them, a sealing ring 57 is installed on the top of the water isolation shell 50. Through the sealing ring 57, the temperature and pressure sensor 52, the electromagnetic wave probe 53, and the lithium battery 54 inside the water isolation shell 50 are isolated from the external environment, and the external water flow will not interfere with the temperature and pressure sensor 52, the electromagnetic wave probe 53, and the lithium battery 54.

[0025] Furthermore, the lower shell 10 includes a water inlet 11 and a water outlet 12. The water inlet 11 is provided with a first guiding surface 111, and the water outlet 12 is provided with a second guiding surface 121. The first guiding surface 111 is located above the water inlet 11 and extends towards the direction of the filter cover 20, for guiding the water flow from the water inlet 11 through the filter cover 20 into the impeller box 30. The second guiding surface 121 is located below the water outlet 12 and extends towards the direction of the impeller box 30, for guiding the water flow from the impeller box 30 to the water outlet 12.

[0026] Through the mutual cooperation of the first guiding surface 111 and the water inlet 11, and the mutual cooperation of the second guiding surface 121 and the water outlet 12, the water flow can smoothly pass through the filter cover 20 and enter the impeller box 30 to drive the impeller 40 to rotate, and then flow out from the impeller box 30 through the water outlet 12. The filter cover 20 can filter impurities in the water flow, improving the cleanliness of the user's water use. Further, the impeller box 30 includes an upper box part and a lower box part. The upper box part is arranged above the lower box part. The upper box part is provided with a first water tank, and the lower box part is provided with a second water tank. The water flow can enter the interior of the impeller box 30 from the filter cover 20 through the first water tank, and flow to the water outlet 12 from the interior of the impeller box 30 through the second water tank.

[0027] Among them, the circuit board 70 further includes a communication module 74. The communication module 74 is used for information interaction with the cloud server through wireless communication technology. Further, the wireless communication technology adopted by the communication module 74 for information interaction with the cloud server includes but is not limited to 4G, 5G, and Internet of Things technology.

[0028] Among them, a digital display screen 80 is provided on the circuit board 70. By setting the digital display screen 80, users can intuitively see the water consumption information. Further, a transparent sealing cover 90 is sleeved outside the circuit board 70. By setting the transparent sealing cover 90, the circuit board 70 can be conveniently fixed and potted and sealed, and can also play a role in waterproofing and moisture-proofing.

[0029] Among them, a lithium battery 54 is provided inside the water isolation shell 50; the lithium battery 54 is electrically connected to the circuit board 70 and is used to supply power to the circuit board 70. By arranging the lithium battery 54 inside the water isolation shell 50, the long-term power supply requirement of the circuit board 70 can be met, effectively ensuring the normal operation of the circuit board 70.

[0030] Among them, the upper shell 60 includes an upper shell body 61 and a light-shielding cover 62, and the upper shell body 61 and the light-shielding cover 62 are hinged. Through the hinged connection of the upper shell body 61 and the light-shielding cover 62, users can conveniently read the water consumption displayed on the digital display screen 80. The upper shell 60 can prevent ultraviolet light irradiation, avoid the rapid aging of the water meter, and can conveniently read the water meter data, facilitating on-site inspection of the water meter abnormality by the staff.

[0031] Among them, a plurality of clamping blocks 55 are formed at the bottom of the water isolation shell 50 along the circumferential direction, and a clamping groove 31 for cooperating with the clamping blocks 55 is formed at the top of the impeller box 30. Preferably, the clamping blocks 55 and the clamping grooves 31 are connected by interference fit. Through the interference fit connection of the clamping blocks 55 and the clamping grooves 31, the connection between the water isolation shell 50 and the impeller box 30 is made more firm.

[0032] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as falling within the scope described in this specification.

[0033] The above-described embodiments merely represent several implementation manners of the present invention. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims

1. A non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition, characterized in that, It includes a lower shell, a filter cover is installed inside the lower shell, an impeller box is sleeved inside the filter cover, an impeller is installed inside the impeller box, a water-proof shell is connected above the impeller box, a turntable is connected above the impeller, a semi-circular metal sheet is provided on the turntable, a groove for cooperating with the turntable is provided at the bottom of the water-proof shell, the impeller is used to rotate driven by water flow and then drive the turntable to rotate, and the turntable is used to drive the metal sheet to rotate; A middle shell is installed outside the water-proof shell, the middle shell is respectively connected to the lower shell and the upper shell, a temperature and pressure sensor and an electromagnetic wave probe are installed inside the water-proof shell, an upper shell is connected above the water-proof shell, a circuit board is installed inside the upper shell, and the temperature and pressure sensor and the electromagnetic wave probe are respectively electrically connected to the circuit board; A through hole for cooperating with the temperature and pressure sensor is provided at the bottom of the water-proof shell, the temperature and pressure sensor contacts the water flow inside the impeller box through the through hole, the electromagnetic wave probe includes a first coil and a second coil, and the first coil and the second coil are respectively used to independently emit electromagnetic waves and independently collect the echo signals formed by the metal sheet reflecting the electromagnetic waves.

2. The non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 1, wherein The circuit board includes a first sensing module, a second sensing module and a processor module, and the first sensing module and the second sensing module are respectively electrically connected to the processor module; The first sensing module is electrically connected to the first coil, and is used to control the first coil to emit electromagnetic waves, modulate the echo signal collected by the first coil and generate a first digital signal, and send the first digital signal to the processor module; The second sensing module is electrically connected to the second coil, and is used to control the second coil to emit electromagnetic waves, modulate the echo signal collected by the second coil and generate a second digital signal, and send the second digital signal to the processor module.

3. The contactless non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 2, characterized in that, A sealing ring is installed at the top of the water-proof shell.

4. The non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to any one of claims 1 to 3, characterized in that, The lower shell includes a water inlet and a water outlet, a first guiding surface is provided at the water inlet, and a second guiding surface is provided at the water outlet; The first guiding surface is arranged above the water inlet and extends towards the direction of the filter cover, and is used to guide the water flow from the water inlet through the filter cover into the impeller box; The second guiding surface is arranged below the water outlet and extends towards the direction of the impeller box, and is used to guide the water flow from the impeller box to the water outlet.

5. The contactless non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 4, wherein The circuit board includes a communication module, and the communication module is used to interact information with a cloud server through wireless communication technology.

6. The non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 5, characterized in that, A digital display screen is provided on the circuit board.

7. The non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 6, characterized in that, A transparent sealing cover is sleeved outside the circuit board.

8. The non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 7, characterized in that, A lithium battery is provided inside the water-proof shell; The lithium battery is electrically connected to the circuit board and is used to supply power to the circuit board.

9. The non-contact non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 8, characterized in that, The upper shell includes an upper shell body and a light-shielding cover, and the upper shell body and the light-shielding cover are hinged.

10. The contactless non-magnetic Internet of Things intelligent water meter based on multi-sensor data acquisition according to claim 9, characterized in that, A plurality of bumps are formed at the bottom of the water-proof shell along the circumferential direction, and grooves for cooperating with the bumps are formed at the top of the impeller box.

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