CN-121977666-A - Self-driven intelligent water meter

CN121977666ACN 121977666 ACN121977666 ACN 121977666ACN-121977666-A

Abstract

The invention discloses a self-driven intelligent water meter, and relates to the technical field of water meters. The self-driven intelligent water meter comprises a machine shell, wherein a kinetic energy recovery cavity and a metering cavity are distributed up and down in the machine shell, a kinetic energy recovery impeller and a metering impeller are rotatably assembled in the kinetic energy recovery cavity and the metering cavity respectively, a mechanical metering module and an intelligent module which are used for metering water flow flowing through the metering cavity based on rotation of the metering impeller are arranged on the machine shell, and a kinetic energy recovery module which is used for recovering kinetic energy based on rotation of the kinetic energy recovery impeller is further arranged on the machine shell. According to the self-driven intelligent water meter, by adopting the split flow proportion design, most of water flow is ensured to act on the kinetic energy recovery impeller under the working conditions of low water pressure and low flow, and the water flow acting on the metering impeller is reduced under the working conditions of high flow, so that the phenomenon that the metering impeller is easy to shake and turbulent flow to influence the metering progress is avoided, the durability is improved, and the metering stability is improved.

Inventors

YAO WANG
CAO YINGFENG
Qian Qiangfei
CAO YUXIANG
CUI SHINAN
SHEN YONGXING

Assignees

浙江聚源和达环境科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260116

Claims (8)

1. A self-driven intelligent water meter, comprising: The device comprises a machine shell (1), wherein a kinetic energy recovery cavity (9) and a metering cavity (10) which are distributed up and down are arranged in the machine shell (1), a kinetic energy recovery impeller (11) and a metering impeller (12) are respectively and rotatably assembled in the kinetic energy recovery cavity (9) and the metering cavity (10), a mechanical metering module (6) and an intelligent module (7) which are used for rotationally metering water flow flowing through the metering cavity (10) based on the metering impeller (12) are arranged on the machine shell (1), and a kinetic energy recovery module (8) which is used for recovering kinetic energy based on the rotation of the kinetic energy recovery impeller (11) is also arranged on the machine shell (1); The casing (1) has inlet port (2) and outlet port (3) of distributing in kinetic energy recovery chamber (9) and measurement chamber (10) both sides, and water is retrieved chamber (9) and measurement chamber (10) from outlet port (3) discharge by inlet port (2) reposition of redundant personnel, inlet port (2) of casing (1) are equipped with shunt tubes (4) and vortex tube (5) in proper order, and vortex tube (5) have the vortex accelerating structure to water, and shunt tubes (4) have the reposition of redundant personnel structure to vortex accelerating water flow input kinetic energy recovery chamber (9) and measurement chamber (10).
2. The self-driven intelligent water meter of claim 1, wherein the vortex accelerating structure is a guide vane (36) arranged on the inner wall of the vortex tube (5), the guide vane (36) is spirally and curvedly distributed along the axial direction of the vortex tube (5), the guide vane (36) and the vortex tube (5) are integrally formed, and the thickness of the guide vane (36) gradually decreases towards the axis of the vortex tube (5).
3. The self-driven intelligent water meter according to claim 1, wherein: the flow dividing structure comprises a first water dividing channel (31) and a second water dividing channel (32) which are arranged in the pipe wall of the flow dividing pipe (4), the first water dividing channel (31) and the second water dividing channel (32) are spirally distributed around the axis of the flow dividing pipe (4), the flow dividing pipe (4) is closed towards one end of the water inlet port (2), the first water dividing channel (31) and the second water dividing channel (32) penetrate through the flow dividing pipe (4) towards one end face of the water inlet port (2), a first drainage channel (17) and a second drainage channel (18) are arranged at the water inlet port (2) of the casing (1), the first drainage channel (17) and the first water diversion channel (31) are paired Ji Daotong, the first drainage channel (17) is communicated with the metering cavity (10) along the tangential direction of the metering cavity (10), the second drainage channel (18) is opposite to the second water diversion channel (32) Ji Daotong, and the second drainage channel (18) is communicated with the kinetic energy recovery cavity (9) along the tangential direction of the kinetic energy recovery cavity (9), a plurality of first water diversion grooves (33) communicated with the first water diversion channels (31) are formed on the inner wall of the shunt tube (4), and a second water diversion groove (34) provided with a plurality of channels communicated with the second water diversion channel (32).
4. A self-driven intelligent water meter according to claim 3, wherein the ratio of the cross-sectional areas of the first water diversion channel (31) and the second water diversion channel (32) is 1:3, and the ratio of the number of the first water diversion grooves (33) to the number of the second water diversion grooves (34) is 1:3.
5. A self-driven intelligent water meter according to claim 3 is characterized in that the radius of one end of a shunt tube (4) facing a water inlet port (2) is gradually reduced, the outline of the shunt tube (4) is matched with the outline of one end of a first water diversion channel (31) and one end of a second water diversion channel (32) facing the water inlet port (2), the spiral radius is gradually reduced, a filter cylinder (13) is arranged in the shunt tube (4), the filter cylinder (13) is filled into the shunt tube (4) from a vortex tube (5) to one end of the water inlet port (2), the filter cylinder (13) is matched with the outline of an inner cavity of the shunt tube (4), the filter cylinder (13) is closed to one end of the water inlet port (2), a retainer ring (35) is arranged outside one end of the filter cylinder (13) far away from the water inlet port (2), and the retainer ring (35) is embedded between the connecting end faces of the shunt tube (4) and the vortex tube (5).
6. The self-driven intelligent water meter according to claim 2, wherein a shell cover (19) is arranged in the metering cavity (10) and covered on the metering impeller (12), the bottom end of the shell cover (19) is in butt joint and sealing with the inner bottom wall of the metering cavity (10), a flange (29) is arranged on the peripheral side of the top end of the shell cover (19), a circular guide plate (20) is arranged on the inner wall of the metering cavity (10), the flange (29) is in seal joint with the circular guide plate (20), a circular opening (27) is formed in the middle of the top end of the flange (29), the metering cavity (10) above the shell cover (19) forms a water outlet bin (21), a first water outlet notch (23) which is communicated with the water outlet bin (21) and the water outlet port (3) is formed in the shell (1), a second water outlet notch (24) which is communicated with the kinetic energy recovery cavity (9) and the water outlet port (3) is formed in the shell cover (1), an annular guide bin is formed among the inner wall of the metering cavity (10) and the circular guide plate (20), the shell cover (19) is circumferentially provided with a plurality of water inlet channels (17) which are communicated with the water inlet channels (30), the water inlet grooves (30) are distributed in an upward inclined manner on the basis of the flowing direction of the water entering the annular diversion bin.
7. The self-driven intelligent water meter according to claim 6, wherein an upper end cover (25) is connected with a flange at a position corresponding to the metering cavity (10) at the top of the casing (1), a lower end cover (26) is connected with a flange at a position corresponding to the kinetic energy recovery cavity (9) at the bottom of the casing (1), a pressing ring (22) is arranged between the upper end cover (25) and the casing cover (19), the bottom end of the pressing ring (22) is in nested fit with a ring opening (27), and a plurality of water outlet grooves (28) are formed in the peripheral wall of the pressing ring (22); The utility model provides a kinetic energy recovery device, including upper end cover (25) and lower end cover (26), all be provided with axle support (14) on upper end cover (25) and lower end cover (26), kinetic energy recovery module (8) assemble on axle support (14) corresponding with kinetic energy recovery chamber (9), and rotatory wearing of this axle support (14) is equipped with second shaft pole (16), second shaft pole (16) and kinetic energy recovery impeller (11) coaxial coupling, mechanical metering module (6) and intelligent module (7) assemble on axle support (14) corresponding with metering chamber (10), and wear to be equipped with first axostylus axostyle (15) in this axle support (14), first axostylus axostyle (15) and metering impeller (12) coaxial coupling.
8. The self-driven intelligent water meter according to claim 6, wherein the metering impeller (12) is composed of a first shaft body (37) and first blades (38), the radius of the first shaft body (37) is gradually reduced from bottom to top and is in a cone shape, the first blades (38) are provided with a plurality of first blades (38) which are spirally distributed around the first shaft body (37), and the outer ring profile of the plurality of first blades (38) is in a cylinder shape; the kinetic energy recovery impeller (11) comprises a second shaft body (39) and second blades (40), the radius of the second shaft body (39) is gradually reduced from top to bottom and is in a cone shape, the second blades (40) are provided with a plurality of second blades (40) and distributed in a spiral bending shape around the second shaft body (39), the outline of the outer ring of each second blade (40) is in a cone shape, and the spiral bending degree of one end of each second blade (40) with smaller radius towards the second shaft body (39) is gradually increased.

Description

Self-driven intelligent water meter Technical Field The invention relates to the technical field of water meters, in particular to a self-driven intelligent water meter. Background The intelligent water meter is novel water affair metering equipment integrating sensing, internet of things and intelligent control technology, captures water flow signals through a flow metering unit, converts the water flow signals into electric signals, processes and calculates the electric signals through a micro control unit, and realizes data remote transmission and bidirectional interaction by means of wired or wireless communication modes such as NB-IoT, loRa and the like. The intelligent water meter not only can accurately meter the water consumption, but also has the core functions of remote automatic meter reading, prepayment payment, abnormal water (water leakage, pipeline rupture and the like) alarming, step water price accounting and the like, is widely applied to multiple scenes such as resident life, commercial operation, industrial production and the like, is convenient for a user to check water consumption data in real time through a mobile phone APP, is convenient to pay, and also provides data support for monitoring pipe network leakage and water resource scheduling for water service departments. At present, the existing intelligent water meters are mainly divided into an external power supply type water meter and a built-in battery type water meter, wherein the external power supply type water meter is limited by an installation environment and is difficult to be suitable for an outdoor pipeline without a power supply condition, the built-in battery type water meter has the problem that the service life of a battery is limited, the battery is required to be replaced regularly, the operation and maintenance cost is increased, and metering interruption and data loss can be caused by battery exhaustion. In order to solve the power supply problem, the existing part of intelligent water meters adopt a mode of recovering kinetic energy of water flow to supply power for the intelligent water meters and realizing a self-driving function. However, the existing self-driven intelligent water meter generally adopts a set of impellers for metering and recovering kinetic energy, and because of certain resistance in kinetic energy recovery, the efficiency of driving the impellers to rotate by water flow is lower, particularly, under the working condition of low water pressure and small flow, the impellers are difficult to effectively rotate, so that the kinetic energy recovery is insufficient and cannot stably supply power to an intelligent module, in addition, under the working condition of large flow, the impellers are always in large flow, the metering precision is easily influenced due to disturbance of water flow, and the metering precision and the power supply stability are further influenced due to mutual interference between the kinetic energy recovery module and the metering module. Based on the above situation, the invention provides a self-driven intelligent water meter which can effectively solve the above problems. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a self-driven intelligent water meter, which solves the defects and the shortcomings in the prior art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The self-driven intelligent water meter comprises a shell, wherein a kinetic energy recovery cavity and a metering cavity are arranged in the shell, the kinetic energy recovery cavity and the metering cavity are respectively and rotatably provided with a kinetic energy recovery impeller and a metering impeller, a mechanical metering module and an intelligent module which are used for metering water flow flowing through the metering cavity based on rotation of the metering impeller are arranged on the shell, and a kinetic energy recovery module which is used for recovering kinetic energy based on rotation of the kinetic energy recovery impeller is also arranged on the shell; The casing has inlet port and the outlet port of distributing in kinetic energy recovery chamber and measurement chamber both sides, and water is shunted through kinetic energy recovery chamber and measurement chamber by inlet port and is discharged from the outlet port, the inlet port of casing has assembled shunt tubes and vortex tube in proper order, and the vortex tube has the vortex acceleration structure to water, and the shunt tubes has the water-splitting flow input kinetic energy recovery chamber and the measurement chamber to the vortex acceleration shunt structure. Preferably, the vortex accelerating structure is a flow deflector arranged on the inner wall of the vortex tube, the flow deflector is spirally and curvedly distributed along the axial direction of the vortex tube, the flow deflector and the vortex tube are integrally forme