CN111141351A - Drip metering high-precision Internet of things water meter machine and base meter thereof - Google Patents

Drip metering high-precision Internet of things water meter machine and base meter thereof Download PDF

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Publication number
CN111141351A
CN111141351A CN202010065435.XA CN202010065435A CN111141351A CN 111141351 A CN111141351 A CN 111141351A CN 202010065435 A CN202010065435 A CN 202010065435A CN 111141351 A CN111141351 A CN 111141351A
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CN
China
Prior art keywords
impeller
water
valve plate
cavity
water inlet
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Granted
Application number
CN202010065435.XA
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Chinese (zh)
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CN111141351B (en
Inventor
范耀荣
连峰
白延锵
敖勇
黄湖庆
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Fujian Wide Plus Precision Instruments Co ltd
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Fujian Wide Plus Precision Instruments Co ltd
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Priority to CN202010065435.XA priority Critical patent/CN111141351B/en
Priority claimed from CN202010065435.XA external-priority patent/CN111141351B/en
Publication of CN111141351A publication Critical patent/CN111141351A/en
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Publication of CN111141351B publication Critical patent/CN111141351B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/28Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/005Valves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/14Casings, e.g. of special material

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention relates to a high-precision Internet of things water meter machine core for water drop measurement and a base meter thereof. The water inlet control device comprises an impeller box, an impeller, a waterproof cover plate, a magnetic ring, a water inlet control suite and a control module; the impeller box comprises a box body, the box body is provided with an impeller accommodating cavity, the waterproof cover plate is covered on the impeller accommodating cavity, and the impeller comprises an impeller rotating shaft and blades; the water inlet control kit comprises a water filter screen, a one-way valve plate and a liquid dropping and water inlet assembly; the water filter screen comprises a filter cover, a valve plate groove is arranged in the inner cavity of the filter cover, the box body is provided with a connecting water inlet channel and a connecting water outlet channel, and filter holes are distributed in the valve plate groove; the dropping liquid water inlet assembly comprises at least one flow guide block, and flow guide channels are arranged on the flow guide blocks; the magnetic ring is fixed on the impeller, and the control module comprises more than two sensors and an MCU module. The invention has the characteristics of meeting the requirement of dripping water measurement and low initial flow by matching the one-way valve plate and the dropping water inlet assembly, and has simple and intelligent integral structure by collecting and counting through the sensor.

Description

Drip metering high-precision Internet of things water meter machine and base meter thereof
Technical Field
The invention relates to the field of water meters, in particular to a high-precision Internet of things water meter machine core for water drop metering and a base meter thereof.
Background
The water gauge is the metering device of national compulsory installation for water measurement and water charge settlement foundation, and the vast majority is mechanical water gauge at present, need the manual work to check meter, wastes time and energy, administers technical development along with internet, thing networking, big data, leakage, promotes the intelligent of water gauge and just needs. At present, the machine center precision of the intelligent water meter is not high, the range ratio (R) is not high, the scheme of a mechanical base meter superposition electronic communication box is generally adopted, and the requirements of refinement and individuation of water control and leakage loss treatment in various regions, particularly the requirement of dripping water metering in local regions, cannot be realized.
Disclosure of Invention
The invention aims to: the machine core and the base meter are used in cooperation with a one-way valve plate and a dropping water inlet assembly, the machine core and the base meter have the characteristics of meeting the dropping water metering requirement and low initial flow, and the machine core collects and counts by a sensor, is simple and intelligent in overall structure and provides a metering core for an intelligent water meter.
The invention is realized by the following technical scheme:
the first scheme is as follows:
the utility model provides a drip measurement high accuracy thing networking table machine heart which characterized in that: the water inlet control device comprises an impeller box, an impeller, a waterproof cover plate, a magnetic ring, a water inlet control suite and a control module;
the impeller box comprises a box body, an impeller accommodating cavity with an open top end is formed in the box body, the water-resisting cover plate is sealed and arranged on the top end opening of the impeller accommodating cavity, the impeller is arranged in the impeller accommodating cavity, the impeller comprises an impeller rotating shaft which is rotatably connected between the bottom of the impeller accommodating cavity and the bottom of the water-resisting cover plate, and a plurality of blades which are sequentially arranged on the peripheral wall of the impeller rotating shaft at intervals along the same circumferential direction, and the blades are gradually inclined towards the direction away from the rotation advancing direction of the impeller in the process of extending from the peripheral wall of the impeller rotating shaft to the direction away from the impeller rotating shaft;
the water inlet control kit comprises a water filter screen, a one-way valve plate and a liquid dropping and water inlet assembly; the water filter screen comprises a filter cover sleeved on the periphery of the lower part of the box body, a valve plate groove which is sunken downwards is arranged on the bottom surface of the inner cavity of the filter cover, a water inlet channel which is communicated between the lower part of the impeller accommodating cavity and the inner cavity of the filter cover is arranged on the box wall of the lower part of the box body of the impeller box, and the water inlet channel gradually inclines towards the advancing side direction of the rotating motion direction of the impeller in the process of extending from the outer channel opening to the inner channel opening; the upper box wall of the box body is provided with a plurality of water outlet channels communicated between the upper part of the impeller accommodating cavity and the outer part of the box wall of the box body, a plurality of filter holes communicated between the outer part of the filter cover and the inner cavity of the filter cover are distributed at the bottom of the valve plate groove, and the one-way valve plate comprises a valve plate convex block which is movably matched and arranged in the valve plate groove and an annular valve plate flange which is annularly arranged on the outer periphery of the upper end of the valve plate convex block and extends outwards; the bottom of the valve plate flange is lapped on the bottom surface of the inner cavity of the filter cover positioned at the periphery of the opening above the valve plate groove;
the dropping liquid water inlet assembly comprises at least one flow guide block fixedly arranged on the inner side of the wall of the filter cover, the flow guide block extends from the middle position of the inner side of the wall of the filter cover to the inner cavity and penetrates through a corresponding water inlet channel on the box wall of the impeller box to enter the impeller accommodating cavity, flow guide channels extending from the outer side of the wall of the filter cover to the inner side end faces of the flow guide block are arranged on the flow guide blocks, the extending direction of the flow guide channels is obliquely arranged with the radial direction of the rotating shaft of the impeller, and the oblique direction enables the inner side channel openings of the flow guide channels to face the advancing side of the rotating movement direction of the;
the magnetic ring coaxial fixed sleeve is sleeved on an impeller rotating shaft of the impeller and can rotate synchronously along with the impeller rotating shaft, the control module comprises more than two sensors which are distributed at intervals along the circumferential direction coaxial with the impeller rotating shaft and fixedly installed on the waterproof cover plate, each sensor is used for synchronously acquiring a magnetic field change signal generated by the magnetic ring in the rotating process of the impeller and converting the magnetic field change signal into an electric pulse signal to be output outwards, the control module further comprises an MCU module, the MCU module is simultaneously connected with each sensor and used for receiving the electric pulse signal output by each sensor to calculate the water flow volume value according to the signal, and the sensor can be a Hall sensor or a reed pipe.
In order to ensure the fluency of the rotation of the impeller, the impeller also comprises a thimble shaft, a rotation matching piece, a lower shaft sleeve, an upper rotating shaft and an upper rotating shaft sleeve;
the thimble shaft is coaxially and fixedly arranged at the bottom of the impeller accommodating cavity and extends upwards, the upper end part of the thimble shaft is provided with a conical part which inclines from the peripheral wall to the axial direction close to the thimble shaft in the upward extending process, and the top of the conical part is provided with a spherical crown surface, the central axis of symmetry of the spherical crown surface is superposed with the axis of the thimble shaft, the lower shaft sleeve fixing plug is arranged in the lower end body of the impeller rotating shaft and coaxially and rotatably sleeved on the periphery of the upper part of the thimble shaft, the rotating matching piece is fixedly arranged in the middle of the lower shaft sleeve, the center of the bottom of the rotating matching piece is provided with a rotating groove which is sunken upwards, the groove surface of the rotating groove of the rotating fitting piece is a spherical crown surface and is matched and pressed on the spherical crown surface at the top of the thimble shaft, so that the rotating fitting piece can rotate coaxially relative to the thimble shaft, the symmetrical central axis of the spherical crown surface of the rotating groove of the rotating fitting piece is coaxial with the impeller rotating shaft, and the diameter of the spherical crown surface is larger than that of the spherical crown surface at the top of the thimble shaft part;
it is internal in the water proof apron to go up the coaxial fixed mounting of axle sleeve, the inside of going up the axle sleeve is equipped with the axle sleeve hole of going up to the open-ended that extends down along axial direction, go up pivot fixed mounting in the middle part of impeller pivot upper end and upwards extend to rotate and cup joint in the axle sleeve hole of going up to go up for the impeller pivot can go up the coaxial rotation of axle sleeve relatively through last pivot.
In order to prevent iron-containing impurities in water from being adsorbed onto the magnetic ring to influence the normal work of the water meter, the magnetic ring coaxial fixing sleeve is arranged on the periphery of the upper rotating shaft and is arranged in the upper end of the impeller rotating shaft in a sealing mode, and the impeller further comprises a magnetic conducting sheet which is coaxially sleeved on the periphery of the upper rotating shaft and is positioned below the magnetic ring and used for sealing the magnetic field at the lower half portion of the magnetic ring.
In order to increase the service life of the rotating counter-piece, the latter is made of a corundum material.
Preferably, each blade is cycloidal, a plurality of cycloidal damping ribs I are sequentially arranged at the bottom of the impeller accommodating cavity at intervals along the same circumferential direction, each cycloidal damping rib I gradually inclines towards the direction of the impeller rotating and advancing in the process of extending from the center of the bottom of the impeller accommodating cavity to the side cavity wall direction of the impeller accommodating cavity, and each cycloidal damping rib I gradually inclines towards the direction of the impeller rotating and advancing in the process of extending upwards from the bottom of the impeller accommodating cavity; the lower end face of the water-resisting cover plate is provided with a plurality of cycloid-shaped damping ribs II which are sequentially distributed at intervals along the same circumferential direction, each cycloid-shaped damping rib II is inclined towards the direction in which the impeller rotates and advances gradually in the process of extending from the center of the lower end face of the water-resisting cover plate to the peripheral edge direction of the water-resisting cover plate, and each cycloid-shaped damping rib II is inclined towards the direction in which the impeller rotates and advances gradually in the process of extending downwards from the lower end face of the water-resisting cover plate.
Preferably, the middle part of the upper end surface of the one-way valve piece is provided with a downward-recessed counterweight mounting groove, and the water inlet control kit further comprises a counterweight block mounted in the counterweight mounting groove.
In order to facilitate the guiding and positioning of the one-way valve plate in the starting and stopping process, valve plate guide columns which are sequentially distributed at intervals along the circumferential direction of the groove surrounding the valve plate and extend upwards from the bottom are arranged on the lower end surface in the filter cover, and valve plate mounting holes which are sleeved on the valve plate guide columns and can be matched with the valve plate guide columns for guiding are formed in the flange of the valve plate of the one-way valve plate; the bottom of counter weight mounting groove is equipped with the counter weight guide post that upwards extends from the bottom, be equipped with the counter weight mounting hole that the cover was arranged in on the counter weight guide post and can cooperate the direction with this counter weight guide post on the counter weight. The balancing weight and the one-way valve plate can be locked and matched by self-tapping screws.
Preferably, the aperture of the outer passage opening of the flow guide passage is larger than that of the inner passage opening; the water outlet channel is gradually inclined towards the advancing side direction of the rotating movement direction of the impeller in the process of extending from the inner side channel opening to the outer side channel opening.
Preferably, the number of the diversion blocks is more than two and the diversion blocks are arranged at equal intervals along the same circumferential direction around the center of the inner cavity of the filter cover.
Scheme II:
the utility model provides an application scheme one the water droplet of water droplet measurement high accuracy thing networking water meter machine heart water droplet measurement high accuracy thing networking water meter base table which characterized in that: the device comprises a machine core containing cavity and a machine shell, wherein the machine core containing cavity is arranged inside the machine shell and comprises a machine shell water inlet cavity positioned at the bottom and a machine shell water outlet cavity positioned at the middle part, a water inlet pipe used for communicating the outside with the machine shell water inlet cavity at the bottom of the machine core containing cavity is arranged on one side of the bottom of the machine shell, a water outlet pipe used for communicating the outside with the machine shell water outlet cavity at the middle part of the machine core containing cavity is arranged on one side of the middle part of the machine shell, and the water dropping metering high-precision Internet of things water meter core is fixedly arranged in the machine core containing cavity and is in matched contact with the peripheral wall of the machine core containing cavity through the peripheral wall of the water dropping metering high-precision Internet of things water meter core so that the machine; the filter hole and the flow guide channel are both communicated with a watchcase water inlet cavity positioned outside the dropping water metering high-precision Internet of things water meter movement, and the water outlet channel is communicated with a watchcase water outlet cavity positioned outside the dropping water metering high-precision Internet of things water meter movement.
In order to ensure the sealing performance of the basic meter, the periphery of the upper part of the impeller box is provided with an annular outer flange which protrudes outwards along the radial direction of the impeller rotating shaft and is arranged around the center of the impeller rotating shaft, the inner peripheral wall of the movement containing cavity is also provided with an annular inner flange which extends inwards along the radial direction close to the axis of the impeller rotating shaft, the annular outer flange is lapped above the annular inner flange, and a sealing ring is also arranged between the bottom of the annular outer flange and the top of the annular inner flange.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a drip gauge high-precision Internet of things water meter movement and a base meter thereof, wherein the movement and the base meter are used by matching a one-way valve plate and a drip water inlet assembly, so that the drip gauge movement has the characteristics of meeting the drip gauge requirement and low initial flow, and a sensor is adopted for collecting and counting, so that the whole structure is simplified and intelligent, and a gauge core is provided for an intelligent water meter;
2. according to the high-precision Internet of things water meter movement for water drop metering and the base meter thereof, the magnetic field at the lower half part of the magnetic ring is sealed by the magnetic conductive sheet, so that iron-containing impurities in water are prevented from being adsorbed onto the magnetic ring to influence the normal work of the water meter;
3. according to the high-precision Internet of things water meter movement and the base meter thereof, the rotating fitting piece is made of corundum materials, the service life of the rotating fitting piece is greatly prolonged, and the upper end and the lower end of the rotating fitting piece are sleeved with the shaft sleeves, so that the smoothness of the rotating fitting piece in working is guaranteed;
4. the invention provides a water meter heart of a dropping water meter high-precision Internet of things and a base meter thereof.A plurality of cycloid-shaped damping ribs I are arranged at the bottom of an impeller accommodating cavity, each cycloid-shaped damping rib I is inclined towards the rotating advancing direction of an impeller gradually in the process of extending upwards from the bottom of the impeller accommodating cavity to form a flow-facing inclined surface I, the cycloid rotating direction of the cycloid-shaped damping rib I is opposite to the cycloid rotating direction of a cycloid-shaped blade, the duration of the action of damping cut-in and stop is prolonged, the defect that the traditional linear rib generates pulsation in low-speed rotation (namely in a low-flow state) of the impeller is eliminated, when the impeller is pushed to rotate by water flow, the whole course of the cycloid-shaped rib generates continuous, stable and smooth and flexible damping on the impeller, so that the impeller continuously rotates at a constant speed stably, and a reliable guarantee is provided for; the lower end face of the water-resisting cover plate is provided with a plurality of cycloid-shaped damping ribs II, each cycloid-shaped damping rib II gradually inclines towards the direction of the rotary advancing of the impeller in the process of extending downwards from the lower end face of the water-resisting cover plate to form a stream-facing inclined plane II, the cycloid-shaped rotating direction of the cycloid-shaped damping rib II is opposite to the cycloid-shaped rotating direction of the cycloid-shaped blade, the duration of damping cut-in and stop action is prolonged, the defect that the traditional linear rib generates pulsation when the impeller rotates at high speed (namely in a large-flow state) is eliminated, the cycloid-shaped damping rib II can generate small vortex when water flows out, the impeller is prevented from rotating at an accelerated speed, the impeller rotates at a constant speed continuously and stably, the error curve of the water meter is flat, the metering accuracy is improved, the friction wear is reduced, the service life of the water meter is prolonged, and meanwhile;
5. according to the high-precision Internet of things water meter machine core with the water dropping meter and the base meter thereof, the valve plate guide column is arranged on the lower end surface inside the filter cover, and the functions of axial guide and positioning when the single valve plate is started and stopped are achieved; the bottom of the counterweight mounting groove is provided with an upwardly extending counterweight guide post for fixing and riveting a counterweight block; the counter weight is made of stainless steel or electroplated copper, and the size and the weight are set according to the flow point for controlling the opening of the dripping metering one-way valve plate;
6. the invention provides a high-precision Internet of things water meter machine with water dropping metering and a base meter thereof, wherein a water inlet control external member can form an independent external member and is matched with other machine cores for use, so that the requirements of low initial flow and water dropping metering performance are met;
7. according to the high-precision Internet of things water meter core with the water dropping meter and the base meter thereof, when the one-way valve plate falls down by gravity, water cannot be fed reversely, so that the phenomena of autorotation and idle rotation of the water meter can be effectively reduced, and the water meter can be prevented from being installed reversely by man;
8. the dropping water metering high-precision Internet of things water meter machine core and the base meter thereof provided by the invention have the advantages that more than two guide blocks are arranged, so that the rotation of the impeller can be more stable, and the stability of the machine core is improved.
9. The high-precision Internet of things water meter movement and the base meter thereof have the advantages of simple, practical and reliable structure, small initial motion amount, high precision, wide range ratio, strong universality, convenience in installation and long service life, and meet the requirements of fine management and individuation of leakage control of water departments in various regions.
Drawings
FIG. 1 is a schematic three-dimensional structure of the first embodiment;
FIG. 2 is a vertical sectional view of the first embodiment;
FIG. 3 is an exploded view of the first embodiment;
FIG. 4 is a front view of the first embodiment;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a schematic three-dimensional structure diagram of the first embodiment with the water-stop cover removed;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a first three-dimensional view of an impeller cartridge according to a first embodiment;
FIG. 9 is a schematic three-dimensional structure diagram of a vane box according to the first embodiment;
FIG. 10 is a schematic three-dimensional structure diagram of a water-stop cover plate and an impeller according to an embodiment of the present invention;
FIG. 11 is a schematic three-dimensional structure of a water-stop cover plate according to an embodiment;
FIG. 12 is a schematic three-dimensional structure of an impeller according to a first embodiment;
FIG. 13 is a vertical cross-sectional view of FIG. 12;
FIG. 14 is an exploded view of the water filter, the check valve plate and the weight member according to the first embodiment;
FIG. 15 is a schematic three-dimensional structure of a one-way valve plate according to an embodiment;
fig. 16 is a schematic three-dimensional structure of a water filter net according to the first embodiment;
FIG. 17 is a vertical sectional view of the second embodiment;
FIG. 18 is a front view of the third embodiment;
FIG. 19 is a cross-sectional view taken along line B-B of FIG. 18;
fig. 20 is a schematic three-dimensional structure diagram of a water filter screen according to the third embodiment.
Description of reference numerals: 1-impeller box, 11-box body, 12-impeller containing cavity, 13-water inlet channel, 14-water outlet channel, 15-cycloidal damping rib I, 151-incident flow inclined plane I, 16-annular outer flange, 2-impeller, 21-impeller rotating shaft, 22-blade, 23-thimble shaft, 231-conical part, 24-rotating fitting piece, 241-rotating groove, 25-lower shaft sleeve, 26-upper rotating shaft, 27-upper shaft sleeve, 271-upper shaft sleeve hole, 28-magnetic conductive sheet, 3-waterproof cover plate, 31-cycloidal damping rib II, 311-incident flow inclined plane II, 4-magnetic ring, 5-water filter screen, 51-filter cover, 52-valve sheet groove, 53-filter hole, 54-valve sheet guide column, 6-one-way valve plate, 61-valve plate convex block, 62-valve plate flange, 63-counterweight mounting groove, 64-valve plate mounting hole, 65-counterweight guide post, 7-dropping water inlet component, 71-guide channel, 72-guide block, 8-counterweight block, 81-counterweight mounting hole, 9-watchcase, 91-movement containing cavity, 911-watchcase water inlet cavity, 912-watchcase water outlet cavity, 92-water inlet pipe, 93-water outlet pipe, 94-annular inner flange, 10-sealing ring and a-sensor.
Detailed Description
The invention is described in detail below with reference to the following description of the drawings:
the first embodiment is as follows:
as shown in fig. 1-16, a high-precision internet-of-things water meter machine for measuring water drop is characterized in that: the water-resistant impeller comprises an impeller box 1, an impeller 2, a water-resistant cover plate 3, a magnetic ring 4, a water inlet control suite and a control module;
the impeller box 1 comprises a box body 11, an impeller accommodating cavity 12 with an open top end is formed in the box body 11, a sealing cover of the waterproof cover plate 3 is arranged on an opening in the top end of the impeller accommodating cavity 12, the impeller 2 is arranged in the impeller accommodating cavity 12, the impeller 2 comprises an impeller rotating shaft 21 which is rotatably connected between the bottom of the impeller accommodating cavity 12 and the bottom of the waterproof cover plate 3, and a plurality of blades 22 which are sequentially arranged on the peripheral wall of the impeller rotating shaft 21 at intervals along the same circumferential direction, and the blades 22 are gradually inclined towards the direction away from the rotation advancing direction of the impeller 2 in the process of extending from the position of the peripheral wall of the impeller rotating shaft 21 to the direction away from the impeller rotating shaft;
the water inlet control suite comprises a water filter screen 5, a one-way valve plate 6 and a dropping liquid water inlet assembly 7; the water filter screen 5 comprises a filter cover 51 sleeved on the periphery of the lower part of the box body 11, a valve plate groove 52 which is sunken downwards is arranged on the bottom surface of the inner cavity of the filter cover 51, a water inlet channel 13 which is communicated between the lower part of the impeller accommodating cavity 12 and the inner cavity of the filter cover 51 is arranged on the box wall of the lower part of the box body 11 of the impeller box 1, and the water inlet channel 13 is gradually inclined towards the advancing side direction of the rotation movement direction of the impeller 2 in the process of extending from the outer channel opening to the inner channel opening; the upper box wall of the box body 11 is provided with a plurality of water outlet channels 14 communicated between the upper part of the impeller accommodating cavity 12 and the outer part of the box wall of the box body 11, a plurality of filter holes 53 communicated between the outer part of the filter cover 51 and the inner cavity of the filter cover 51 are distributed at the bottom of the valve plate groove 52, and the one-way valve plate 6 comprises a valve plate lug 61 movably matched and arranged in the valve plate groove 52 and an annular valve plate flange 62 annularly arranged on the outer periphery of the upper end of the valve plate lug 61 and extending outwards; the bottom of the valve plate flange 62 is lapped on the bottom surface of the inner cavity of the filter cover 51 positioned at the periphery of the opening above the valve plate groove 52;
the dropping liquid water inlet assembly 7 comprises at least one flow guide block 72 fixedly arranged on the inner side of the cover wall of the filter 51, the flow guide block 72 extends from the middle position of the inner side of the cover wall of the filter 51 to the inner cavity and penetrates through a corresponding water inlet channel 13 on the box wall of the impeller box 1 to enter the impeller accommodating cavity 12, flow guide channels 71 extending from the outer side of the cover wall of the filter 51 to the inner side end surface of the flow guide block 72 are arranged on the flow guide block 72, the extending direction of the flow guide channels 71 is obliquely arranged with the radial direction of the impeller rotating shaft 21, and the oblique direction enables the inner side channel opening of the flow guide channel 71 to face the advancing side of the rotating motion direction of the impeller 2;
the magnetic ring 4 is coaxially and fixedly sleeved on an impeller rotating shaft 21 of the impeller 2 and can synchronously rotate along with the impeller rotating shaft, the control module comprises more than two sensors a which are distributed at intervals along the circumferential direction coaxial with the impeller rotating shaft 21 and fixedly installed on the waterproof cover plate 3, each sensor a is used for synchronously acquiring a magnetic field change signal generated by the magnetic ring 4 in the rotating process of the impeller 2 and converting the magnetic field change signal into an electric pulse signal to be output outwards, the control module further comprises an MCU module, the MCU module is simultaneously connected with each sensor a and used for receiving the electric pulse signal output by each sensor a so as to calculate the water flow volume value according to the signal, and the sensor a can be a Hall sensor or a reed pipe.
As shown in fig. 3, 6, 12 and 13, in order to ensure the fluency of the rotation of the impeller, the impeller 2 further comprises a thimble shaft 23, a rotation fitting 24, a lower shaft sleeve 25, an upper shaft sleeve 26 and an upper shaft sleeve 27;
the thimble shaft 23 is coaxially and fixedly arranged at the bottom of the impeller accommodating cavity 12 and extends upwards, the upper end part of the thimble shaft 23 is provided with a conical part 231 which is inclined towards the axis direction close to the thimble shaft 23 from the peripheral wall in the upward extending process, the top of the conical part 231 is provided with a spherical crown surface, the symmetrical central axis of the spherical crown surface is superposed with the axis of the thimble shaft 23, the lower shaft sleeve 25 is fixedly plugged in the lower end body of the impeller rotating shaft 21 and coaxially and rotatably sleeved on the periphery of the upper part of the thimble shaft 23, the rotation fitting piece 24 is fixedly arranged at the middle part of the lower shaft sleeve 25, an upward concave rotation groove 241 is arranged at the bottom center of the rotation fitting piece 24, the groove surface of the rotation groove 241 of the rotation fitting piece 24 is a spherical crown surface and is matched and pressed on the spherical crown surface at the top of the thimble shaft 23, so that the rotation fitting piece 24 can coaxially rotate relative to the thimble shaft 23, the symmetrical central axis of the spherical crown surface of the rotation groove 241 of the rotation fitting piece 24 is coaxial The diameter of the spherical crown surface at the top of the thimble shaft 231;
go up the coaxial fixed mounting of upper rotating shaft sleeve 27 in 3 internal at water proof apron, the inside of going up upper rotating shaft sleeve 27 is equipped with along axial direction extension and downward open-ended upper rotating shaft trepanning 271, go up pivot 26 fixed mounting in the middle part of impeller pivot 21 upper end and upwards extend to rotate and cup joint in the upper rotating shaft trepanning 271 of going up upper rotating shaft sleeve 27 for impeller pivot 21 can go up the coaxial rotation of upper rotating shaft sleeve 27 relatively through last pivot 26.
As shown in fig. 3 and 13, in order to prevent the ferrous impurities in the water from being adsorbed on the magnetic ring to affect the normal operation of the water meter, the magnetic ring 4 is coaxially fixed and sleeved on the periphery of the upper rotating shaft 26 and is hermetically arranged inside the upper end of the impeller rotating shaft 21, and the impeller 2 further comprises a magnetic conductive sheet 28 coaxially sleeved on the periphery of the upper rotating shaft 26 and positioned below the magnetic ring 4 and used for sealing the magnetic field at the lower half part of the magnetic ring 4.
In order to increase the service life of the rotary union 24, it is made of a corundum material.
As shown in fig. 5 to 11, preferably, each of the blades 22 is cycloidal, the bottom of the impeller accommodating cavity 12 is provided with a plurality of cycloidal damping ribs 15 sequentially distributed at intervals along the same circumferential direction, each cycloidal damping rib 15 gradually inclines to the direction in which the impeller 2 rotates and advances in the process of extending from the center of the bottom of the impeller accommodating cavity 12 to the side cavity wall direction of the impeller accommodating cavity 12, so as to form a flow-facing inclined surface 151 shown in fig. 5 to 8, and each cycloidal damping rib 15 gradually inclines to the direction in which the impeller 2 rotates and advances in the process of extending upward from the bottom of the impeller accommodating cavity 12; the lower end face of the water-resisting cover plate 3 is provided with a plurality of cycloid-shaped damping ribs two 31 which are sequentially distributed at intervals along the same circumferential direction, each cycloid-shaped damping rib two 31 is gradually inclined towards the direction of the rotation advance of the impeller 2 in the process of extending from the center of the lower end face of the water-resisting cover plate 3 to the peripheral edge direction of the water-resisting cover plate 3, and each cycloid-shaped damping rib two 31 is gradually inclined towards the direction of the rotation advance of the impeller 2 in the process of extending downwards from the lower end face of the water-resisting cover plate 3, so that an incident flow inclined plane two 311 shown in fig. 10-11 is formed.
Preferably, the middle part of the upper end surface of the one-way valve plate 6 is provided with a downward-recessed counterweight installation groove 63, and the water inlet control kit further comprises a counterweight 8 installed in the counterweight installation groove 63.
In order to facilitate the guiding and positioning of the one-way valve plate in the starting and stopping process, valve plate guide columns 54 which are sequentially distributed at intervals along the circumferential direction around the valve plate groove 52 and extend upwards from the bottom are arranged on the lower end surface in the filter cover 51, and valve plate mounting holes 64 which are sleeved on the valve plate guide columns 54 and can be matched with the valve plate guide columns 54 for guiding are arranged on a valve plate flange 62 of the one-way valve plate 6; the bottom of counter weight mounting groove 63 is equipped with the counter weight guide post 65 that upwards extends from the bottom, be equipped with on the balancing weight 8 set in on the counter weight guide post 65 and can cooperate the counter weight mounting hole 81 of direction with this counter weight guide post 65. The balancing weight 8 and the one-way valve plate 6 can also be locked and matched by self-tapping screws.
Preferably, the aperture of the outer channel opening of the flow guide channel 71 is larger than that of the inner channel opening; the water outlet channel 14 is gradually inclined toward the forward side of the rotation direction of the impeller 2 in the process of extending from the inner channel opening to the outer channel opening.
Example two:
as shown in fig. 17, a water meter base table of the internet of things for measuring water drop of the water meter heart of the internet of things with high precision according to the first application embodiment is characterized in that: the water meter further comprises a watch case 9, a movement containing cavity 91 is arranged inside the watch case 9, the movement containing cavity 91 comprises a watch case water inlet cavity 911 arranged at the bottom and a watch case water outlet cavity 912 arranged at the middle, a water inlet pipe 92 used for communicating the outside with the watch case water inlet cavity 911 at the bottom of the movement containing cavity 91 is arranged at one side of the bottom of the watch case 9, a water outlet pipe 93 used for communicating the outside with the watch case water outlet cavity 912 at the middle of the movement containing cavity 91 is arranged at one side of the middle of the watch case 9, and the drip metering high-precision Internet of things water meter is fixedly arranged in the movement containing cavity 91 and is in matched contact with the outer peripheral wall of the drip metering high-precision Internet of things water meter and the inner peripheral wall of the movement containing cavity 91 so that the watch case water inlet cavity 911 at the bottom of the movement containing cavity 91; the filtering hole 53 and the flow guide channel 71 are both communicated with a watchcase water inlet cavity 911 positioned outside the drop water metering high-precision Internet of things water meter movement, and the water outlet channel 14 is communicated with a watchcase water outlet cavity 912 positioned outside the drop water metering high-precision Internet of things water meter movement.
As shown in fig. 17, in order to ensure the sealing performance of the watch, the upper outer periphery of the impeller case 1 is provided with an annular outer flange 16 which protrudes outward in the radial direction of the impeller rotating shaft 21 and is arranged around the center of the impeller rotating shaft 21, the inner peripheral wall of the movement accommodating chamber 91 is further provided with an annular inner flange 94 which extends inward in the radial direction close to the axis of the impeller rotating shaft 21, the annular outer flange 16 overlaps the annular inner flange 94, and a sealing ring 10 is further arranged between the bottom of the annular outer flange 16 and the top of the annular inner flange 94.
The working principle and the process are as follows: the water in the pipeline flows through the water inlet pipe 92 of the watchcase 9 and flows into the lower water inlet cavity 911 of the watchcase, the larger flow of the normal water flows in from the filtering holes 53 at the bottom of the water filtering net 5, the one-way valve plate 6 is pushed open under the action of water flow and pressure, the water flows into the cavity inside the filtering cover 51, then flows in from the lower water inlet channel 13 of the impeller box 1, pushes the impeller 2 to rotate, then is extruded out through the upper water outlet channel 14 of the impeller box 1, and then is discharged through the water outlet cavity 912 of the watchcase and the water outlet pipe 93 in sequence; when the water is used at a small flow rate, the one-way valve plate 6 cannot be pushed open by the water flow, the water flow flows in from the flow guide channel 71 on the outer side of the water filter 5 net, the flow guide channel 70 is of a conical square tube structure with a large outside pipe orifice and a small inside pipe orifice, a single water flow with higher pressure is formed under the further action of the pipe neck contraction to directly impact the blades 22 of the impeller 2 and push the impeller 2 to rotate, then the water flows out 14 through the water outlet channel on the upper part of the impeller box 1, and then the water is discharged through the meter shell water outlet cavity 912 and the water outlet pipe 93 in sequence to measure the dropping water, and the initial flow rate. In the rotation process of the impeller 2, the magnetic ring 4 can synchronously rotate along with the impeller 2, each sensor a can synchronously acquire a magnetic field change signal generated by the magnetic ring 4 in the rotation process of the impeller 2 and convert the magnetic field change signal into an electric pulse signal to be output outwards, the MCU module can receive the electric pulse signal output by each sensor to calculate a water flow volume value according to the signal, and meter reading data can be sent through a wireless network NB-IOT or LORA, so that a wireless meter reading function is realized.
The machine core and the base meter adopt the cycloid impeller and the water inlet control suite, the water flow stress area is increased, the rotating torque of the impeller 2 is indirectly increased, the starting flow is reduced, the metering precision of the water meter is improved, the automatic start-stop switching is realized according to the flowing water size of a pipeline, the one-way valve plate 6 is closed when the flow is small, the side diversion channel 71 is started to push the cycloid impeller to rotate so as to meet the requirement of dripping metering, and the cycloid damping ribs are arranged on the bottom of the impeller accommodating cavity 12 and the lower end face of the waterproof cover plate 3, so that the time for cut-in damping and stop action is prolonged, the pulsation generated by the water flow is eliminated, wireless intelligent meter reading can be realized through an NB-IOT or LORA wireless transmission module, the cost is saved, and the leakage loss treatment is carried out by utilizing a large.
Example three:
as shown in fig. 18 to 20, the present embodiment is different from the first embodiment in that: preferably, the number of the diversion blocks 72 is more than two and the diversion blocks are arranged at equal intervals along the same circumferential direction around the center of the inner cavity of the filter cover 51.
While the invention has been illustrated and described with respect to specific embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be in any way limited except by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a drip measurement high accuracy thing networking table machine heart which characterized in that: the water-intake control device comprises an impeller box (1), an impeller (2), a water-stop cover plate (3), a magnetic ring (4), a water-intake control suite and a control module;
the impeller box (1) comprises a box body (11), an impeller accommodating cavity (12) with an open top end is formed in the box body (11), a water-resisting cover plate (3) is sealed and arranged on an opening in the top end of the impeller accommodating cavity (12), the impeller (2) is arranged in the impeller accommodating cavity (12), the impeller (2) comprises an impeller rotating shaft (21) which is rotatably connected between the bottom of the impeller accommodating cavity (12) and the bottom of the water-resisting cover plate (3) and a plurality of blades (22) which are sequentially arranged on the peripheral wall of the impeller rotating shaft (21) at intervals along the same circumferential direction, and the blades (22) are gradually inclined towards the direction of the rotation advance of the impeller (2) in the process of extending from the peripheral wall of the impeller rotating shaft (21) to the direction far away from the impeller rotating shaft (21);
the water inlet control suite comprises a water filtering net (5), a one-way valve plate (6) and a dropping water inlet assembly (7); the water filter screen (5) comprises a filter cover (51) sleeved on the periphery of the lower part of the box body (11), a valve sheet groove (52) which is sunken downwards is arranged on the bottom surface of the inner cavity of the filter cover (51), a water inlet channel (13) communicated between the lower part of the impeller accommodating cavity (12) and the inner cavity of the filter cover (51) is arranged on the box wall of the lower part of the box body (11) of the impeller box (1), and the water inlet channel (13) is gradually inclined towards the advancing side direction of the rotation movement direction of the impeller (2) in the process of extending from the outer groove mouth to the inner groove mouth; the upper box wall of the box body (11) is provided with a plurality of water outlet channels (14) communicated between the upper part of the impeller accommodating cavity (12) and the outer part of the box wall of the box body (11), a plurality of filter holes (53) communicated between the outer part of the filter cover (51) and the inner cavity of the filter cover (51) are distributed at the bottom of the valve plate groove (52), and the one-way valve plate (6) comprises a valve plate lug (61) movably matched and arranged in the valve plate groove (52) and an annular valve plate flange (62) which is annularly arranged on the outer periphery of the upper end of the valve plate lug (61) and extends outwards; the bottom of the valve plate flange (62) is lapped on the bottom surface of the inner cavity of the filter cover (51) positioned at the periphery of the opening above the valve plate groove (52);
the dropping liquid water inlet assembly (7) comprises at least one guide block (72) fixedly arranged on the inner side of the cover wall of the filter cover (51), the guide block (72) extends from the middle position of the inner side of the cover wall of the filter cover (51) to the inner cavity and penetrates through a corresponding water inlet channel (13) on the box wall of the impeller box (1) to enter the impeller accommodating cavity (12), guide channels (71) extending from the outer side of the cover wall of the filter cover (51) to the inner side end face of the guide block (72) are arranged on the guide block (72), the extending direction of the guide channels (71) is obliquely arranged with the radial direction of the impeller rotating shaft (21), and the oblique direction enables the inner side channel opening of the guide channels (71) to face the advancing side of the rotating movement direction of the impeller (2);
the magnetic ring (4) is coaxially and fixedly sleeved on an impeller rotating shaft (21) of the impeller (2) and can rotate synchronously along with the impeller rotating shaft, the control module comprises more than two sensors (a) which are distributed at intervals along the circumferential direction coaxial with the impeller rotating shaft (21) and fixedly installed on the waterproof cover plate (3), each sensor (a) is used for synchronously acquiring a magnetic field change signal generated by the magnetic ring (4) in the rotating process of the impeller (2) and converting the magnetic field change signal into an electric pulse signal to be output externally, and the control module further comprises an MCU module which is connected with each sensor (a) and used for receiving the electric pulse signal output by each sensor (a) and calculating the water flow volume value according to the signal.
2. The drop metering high accuracy internet of things water meter machine of claim 1, wherein: the impeller (2) also comprises a thimble shaft (23), a rotating fitting piece (24), a lower shaft sleeve (25), an upper rotating shaft (26) and an upper rotating shaft sleeve (27);
the thimble shaft (23) is coaxially and fixedly arranged at the bottom of the impeller accommodating cavity (12) and extends upwards, the upper end part of the thimble shaft (23) is provided with a conical part (231) which is inclined towards the axis direction close to the thimble shaft (23) from the peripheral wall in the upward extending process, the top of the conical part (231) is provided with a spherical crown surface, the symmetrical central axis of the spherical crown surface is superposed with the axis of the thimble shaft (23), the lower shaft sleeve (25) is fixedly plugged in the lower end body of the impeller rotating shaft (21) and coaxially and rotatably sleeved on the periphery of the upper part of the thimble shaft (23), the rotating fitting piece (24) is fixedly arranged in the middle part of the lower shaft sleeve (25) and the center of the bottom of the rotating fitting piece (24) is provided with a rotating groove (241) which is sunken upwards, the groove surface of the rotating groove (241) of the rotating fitting piece (24) is a spherical crown surface and is matched and propped against the spherical crown surface at the top of, so that the rotating matching piece (24) can rotate coaxially relative to the thimble shaft (23), the symmetrical central axis of the spherical crown surface of the rotating groove (241) of the rotating matching piece (24) is coaxial with the impeller rotating shaft (21), and the diameter of the spherical crown surface is larger than that of the top of the thimble shaft part (231);
it is internal in water proof apron (3) to go up coaxial fixed mounting of axle sleeve (27), the inside of going up axle sleeve (27) is equipped with and goes up axle sleeve hole (271) down the open-ended that extends along axial direction, go up pivot (26) fixed mounting in the middle part of impeller pivot (21) upper end and upwards extend to rotate and cup joint in the last axle sleeve hole (271) of going up axle sleeve (27) for impeller pivot (21) can relatively go up axle sleeve (27) coaxial rotation through last pivot (26).
3. The drip metering high accuracy internet of things water meter movement of claim 2, wherein: the magnetic ring (4) is coaxially and fixedly sleeved on the periphery of the upper rotating shaft (26) and is hermetically arranged in the upper end of the impeller rotating shaft (21), and the impeller (2) further comprises a magnetic conductive sheet (28) which is coaxially sleeved on the periphery of the upper rotating shaft (26) and is positioned below the magnetic ring (4) and used for sealing the magnetic field at the lower half part of the magnetic ring (4).
4. The drip metering high accuracy internet of things water meter movement of claim 2, wherein: the rotating fitting (24) is made of a corundum material.
5. The drop metering high accuracy internet of things water meter machine of claim 1, wherein: each blade (22) is cycloidal, a plurality of cycloidal damping ribs (15) are sequentially distributed at intervals along the same circumferential direction at the bottom of the impeller accommodating cavity (12), each cycloidal damping rib (15) is inclined towards the direction of the rotation advance of the impeller (2) gradually in the process of extending from the center of the bottom of the impeller accommodating cavity (12) to the side cavity wall direction of the impeller accommodating cavity (12), and each cycloidal damping rib (15) is inclined towards the direction of the rotation advance of the impeller (2) gradually in the process of extending upwards from the bottom of the impeller accommodating cavity (12); the water proof cover plate is characterized in that a plurality of cycloid-shaped damping ribs II (31) are arranged on the lower end face of the water proof cover plate (3) and are distributed at intervals in sequence along the same circumferential direction, the direction of the impeller (2) in the process of extending from the center of the lower end face of the water proof cover plate (3) to the peripheral edge direction of the water proof cover plate (3) on each cycloid-shaped damping rib II (31) is gradually inclined towards the direction of the impeller (2) in a rotating and advancing mode, and the direction of the impeller (2) in the process of extending downwards from the lower end face of the water proof cover plate (3) in each cycloid-shaped damping rib II (31) is.
6. The drop metering high accuracy internet of things water meter machine of claim 1, wherein: the middle part of check valve piece (6) up end is equipped with undercut's counter weight mounting groove (63), the control external member of intaking is still including installing balancing weight (8) in counter weight mounting groove (63).
7. The drop metering high accuracy internet of things water meter machine of claim 6, wherein: the lower end face of the inside of the filter cover (51) is provided with valve plate guide columns (54) which are sequentially distributed at intervals along the circumferential direction surrounding the valve plate groove (52) and extend upwards from the bottom, and valve plate mounting holes (64) which are sleeved on the valve plate guide columns (54) and can be matched with the valve plate guide columns (54) for guiding are formed in a valve plate flange (62) of the one-way valve plate (6); the bottom of counter weight mounting groove (63) is equipped with counter weight guide post (65) that upwards extends from the bottom, be equipped with on balancing weight (8) and overlap counter weight mounting hole (81) of arranging counter weight guide post (65) in and can cooperate the direction with this counter weight guide post (65).
8. The drop metering high accuracy internet of things water meter machine of claim 1, wherein: the aperture of an outer side channel opening of the flow guide channel (71) is larger than that of an inner side channel opening; the water outlet channel (14) is gradually inclined towards the advancing side direction of the rotating motion direction of the impeller (2) in the process of extending from the inner side channel opening to the outer side channel opening.
9. The drop metering high accuracy internet of things water meter machine of claim 1, wherein: the number of the guide blocks (72) is more than two and the guide blocks are arranged at equal intervals along the same circumferential direction around the center of the inner cavity of the filter cover (51).
10. A water drop metering high-precision internet-of-things water meter base meter using the water drop metering high-precision internet-of-things water meter machine of any one of claims 1 to 9, characterized in that: the water-saving water dispenser is characterized by further comprising a watch case (9), a movement containing cavity (91) is arranged inside the watch case (9), the movement containing cavity (91) comprises a watch case water inlet cavity (911) located at the bottom and a watch case water outlet cavity (912) located at the middle part, a water inlet pipe (92) used for communicating the outside with the watch case water inlet cavity (911) at the bottom of the movement containing cavity (91) is arranged on one side of the bottom of the watch case (9), a water outlet pipe (93) used for communicating the outside with the watch case water outlet cavity (912) at the middle part of the movement containing cavity (91) is arranged on one side of the middle part of the, the high-precision Internet of things water meter machine core with the water dropping metering is fixedly arranged in the machine core accommodating cavity (91), the outer peripheral wall of the drip metering high-precision Internet of things water meter movement is in matched contact with the inner peripheral wall of the movement accommodating cavity (91) to enable a watchcase water inlet cavity (911) at the bottom of the movement accommodating cavity (91) and a watchcase water outlet cavity (912) in the middle to be isolated from each other; the filter hole (53) and the flow guide channel (71) are both communicated with a meter shell water inlet cavity (911) positioned outside the dropping water metering high-precision Internet of things water meter, and the water outlet channel (14) is communicated with a meter shell water outlet cavity (912) positioned outside the dropping water metering high-precision Internet of things water meter.
CN202010065435.XA 2020-01-20 Water meter movement of drip metering high-precision internet of things and base meter thereof Active CN111141351B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010065435.XA CN111141351B (en) 2020-01-20 Water meter movement of drip metering high-precision internet of things and base meter thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010065435.XA CN111141351B (en) 2020-01-20 Water meter movement of drip metering high-precision internet of things and base meter thereof

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CN111141351A true CN111141351A (en) 2020-05-12
CN111141351B CN111141351B (en) 2024-07-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112254778A (en) * 2020-09-22 2021-01-22 无锡中仪智能科技有限公司 Wireless remote water meter for measuring water
CN113701842A (en) * 2021-08-20 2021-11-26 宁波水表(集团)股份有限公司 Water meter with adjustable flow characteristic
CN118190097A (en) * 2024-01-05 2024-06-14 宁夏水投清水河城乡供水有限公司 Intelligent water meter capable of monitoring dripping flow

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060254352A1 (en) * 2005-05-16 2006-11-16 Nivens Kirk N Jr Liquid flow meter
CN2847233Y (en) * 2005-11-11 2006-12-13 林峰 High sensitivity dropping water meter
CN200986449Y (en) * 2006-12-20 2007-12-05 孙培华 Differential pressure drip metering water meter
CN102346056A (en) * 2011-09-22 2012-02-08 湖南常德牌水表制造有限公司 Base meter of large-caliber vortex electronic type water meter with pressure sensor
CN111024171A (en) * 2019-12-31 2020-04-17 福建上润精密仪器有限公司 Base meter of positive displacement intelligent water meter
CN211425552U (en) * 2020-01-20 2020-09-04 福建上润精密仪器有限公司 Drip metering high-precision Internet of things water meter machine and base meter thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060254352A1 (en) * 2005-05-16 2006-11-16 Nivens Kirk N Jr Liquid flow meter
CN2847233Y (en) * 2005-11-11 2006-12-13 林峰 High sensitivity dropping water meter
CN200986449Y (en) * 2006-12-20 2007-12-05 孙培华 Differential pressure drip metering water meter
CN102346056A (en) * 2011-09-22 2012-02-08 湖南常德牌水表制造有限公司 Base meter of large-caliber vortex electronic type water meter with pressure sensor
CN111024171A (en) * 2019-12-31 2020-04-17 福建上润精密仪器有限公司 Base meter of positive displacement intelligent water meter
CN211425552U (en) * 2020-01-20 2020-09-04 福建上润精密仪器有限公司 Drip metering high-precision Internet of things water meter machine and base meter thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112254778A (en) * 2020-09-22 2021-01-22 无锡中仪智能科技有限公司 Wireless remote water meter for measuring water
CN113701842A (en) * 2021-08-20 2021-11-26 宁波水表(集团)股份有限公司 Water meter with adjustable flow characteristic
CN113701842B (en) * 2021-08-20 2023-12-12 宁波水表(集团)股份有限公司 Water meter with adjustable flow characteristics
CN118190097A (en) * 2024-01-05 2024-06-14 宁夏水投清水河城乡供水有限公司 Intelligent water meter capable of monitoring dripping flow

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