Electronic descaling type ultrasonic water meter

Abstract

An electronic descaling type ultrasonic water meter comprises a water meter body and an ultrasonic detection device, the water meter body comprises a measuring cavity and a descaling cavity which operate independently, an inner pipe is installed in the measuring cavity, and an overflowing channel is formed in the bottom of the inner pipe; the electromagnetic descaling device comprises a magnetic core main body and an annular electromagnetic coil, the magnetic core main body is designed in the overflowing channel, and the annular electromagnetic coil is arranged on the periphery of the descaling cavity; a conical sediment collecting bin is arranged at the bottom of the overflowing channel; a pulse type drain valve is mounted at an opening in the lower end of the conical sediment collecting bin in a matched manner. The electromagnetic descaling device generates high and low frequency alternating magnetic field signals which act on scale of calcium and magnesium ion crystals to form scale impurities, the scale impurities are deposited in the conical sediment collection bin, meanwhile, the ultrasonic detection device detects the concentration of sediment in the conical sediment collection bin, the pulse type drain valve is opened, and sewage containing high-concentration sediment is discharged.

Description

TECHNICAL FIELD

[0001] The utility model provides a kind of electronic descaling type ultrasonic water meter. BACKGROUND

[0002] Ultrasonic water meter is a kind of water meter, which analyzes and calculates the flow rate of water by detecting the time difference generated by the change of water flow velocity when the ultrasonic beam propagates in water. It has the characteristics of low starting flow rate, wide range ratio, high measurement accuracy and stable operation. It has excellent small flow detection capability and can solve many problems of traditional mechanical water meters. It is more suitable for gradient charging of water fees and more suitable for the conservation and rational use of water resources. It has been widely used.

[0003] In the patent name: a kind of intelligent ultrasonic water meter, publication (announcement) number: CN117516648A provides a kind of technical scheme, in the above technical scheme, by the intelligent state judgment and intelligent self-cleaning of flow passage and its two ultrasonic transducers and reflecting element, can make ultrasonic transducer and reflecting element long-term keep good operating condition, reduce the failure rate of ultrasonic instrument, prolong the maintenance-free time.

[0004] The scheme uses the cleaning assembly composed of push-pull linear motor and cleaning rubber block to clean the flow passage to remove deposits. The deposits attached to the surface are cleaned by the friction between the cleaning rubber block and the inner wall of the flow passage. However, the deposits accumulate on the inner wall of the flow passage for a long time to form scale. The simple friction cleaning method cannot effectively remove the scale. The cleaning of scale and other deposits is not thorough. In the scheme, there is no design of a sediment collection bin for collecting impurities. The sediment after scale treatment cannot be collected and discharged. UTILITY MODEL CONTENTS

[0005] In view of the above, the utility model provides an electronic descaling type ultrasonic water meter to solve the problems raised in the background art.

[0006] The utility model discloses a technical scheme that solves its technical problem is: an electronic scale removal type ultrasonic water meter, including water meter main part, install ultrasonic detection device in water meter main part, be used for detecting the impurity deposition in water meter, the water meter main part includes the measuring cavity and scale removal cavity of independent operation, the center line of both perpendicular intersection, install the inner tube in the inside of measuring cavity, be equipped with overflow passage in the bottom of inner tube, still include electromagnetic scale removal device, the electromagnetic scale removal device includes the ring-shaped electromagnetic coil of generating low frequency electromagnetic and the magnetic core main part of generating high frequency electromagnetic, the magnetic core main part designs in the overflow passage, and the ring-shaped electromagnetic coil is arranged in the scale removal cavity periphery, and the magnetic core main part generates high frequency electromagnetic wave in overflow passage, and the ring-shaped electromagnetic coil generates low frequency electromagnetic wave in the scale removal cavity periphery, thereby forms high low frequency alternating magnetic field signal, and acts on the crystalline scale of scale removal cavity, the bottom of overflow passage is provided with conical deposit collection bin, is used for depositing impurities, and installs pulse type drain valve in the lower end opening of conical deposit collection bin cooperation, and the input end of pulse type drain valve is connected with ultrasonic detection device, and the drainage period of pulse type drain valve is dynamically adjusted through ultrasonic detection device data, and when the deposit concentration exceeds the set value, triggers forced flushing, and pulse type drain valve opens, and the sewage containing high concentration deposit is discharged.

[0007] Preferably, the overflow passage is located in the scale removal cavity, and a spiral flow guide fin is arranged in the scale removal cavity, the spiral extension of the spiral flow guide fin is arranged towards the conical deposit collection bin to form a turbulent flow enhancement area to strengthen the scouring of water flow on the deposited impurities.

[0008] Preferably, an alternating power supply box is fixedly installed on the outside of the water meter main part to provide electric energy for the electromagnetic scale removal device.

[0009] Preferably, the inner wall of the conical deposit collection bin is tapered from top to bottom, a plurality of sealing ring grooves are arranged in the middle of the side wall of the lower end opening of the conical deposit collection bin, and sealing rings are installed in the sealing ring grooves, and the sealing rings are clamped between the lower end opening and the pulse type drain valve.

[0010] Preferably, a first sensor is installed on the upstream pipe wall of the scale removal cavity, and a second sensor is installed on the downstream pipe wall, and both are used to detect the impurity deposition in the water meter.

[0011] Preferably, the first sensor and the second sensor are the same in structure, and both include two ultrasonic transducers arranged transversely opposite to each other, and the ultrasonic transducers are internally provided with wireless transmission devices wirelessly connected with a management background.

[0012] The electronic descaling ultrasonic water meter of the utility model, through electromagnetic descaling device produces high low frequency alternating magnetic field signal, act on the scale of calcium magnesium ion crystalline body, make the crystalline body hit more than 2000 times, reach the purpose of breaking the scale in the overflow passage, form scale impurity, deposit in the conical sediment collection bin, at the same time, the ultrasonic detection device detects the sediment concentration in the conical sediment collection bin, when the sediment concentration exceeds 300ppm, triggers forced flushing, makes the pulse type drain valve open, cooperates with spiral guide vane, forms the turbulence enhancement area, strengthens the scouring of water flow to the deposition impurity, discharges the sewage containing high concentration sediment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structure schematic diagram of the utility model.

[0014] Fig. 2 It is the sectional view of the utility model.

[0015] Fig. 3 It is the structure schematic diagram of spiral guide vane.

[0016] In the drawing, 1, water meter main body;2, measurement cavity;3, descaling cavity;4, pulse type drain valve;5, inner tube;6, overflow passage;7, annular electromagnetic coil;701, magnetic core main body;8, ultrasonic detection device;9, conical sediment collection bin;10, sealing ring groove;11, sealing ring;12, alternating power supply box;13, spiral guide vane;14, first sensor;15, second sensor. DETAILED DESCRIPTION

[0017] The utility model will be further explained in combination with the drawings and some implementation manners.

[0018] In Figs. 1-3 Among them, an electronic descaling ultrasonic water meter, including water meter main body 1, install ultrasonic detection device 8 in water meter main body 1, be used for detecting the impurity deposition situation inside water meter, the water meter main body 1 includes the measurement cavity 2 and descaling cavity 3 of independent operation, the center line of both perpendicular intersection, install inner tube 5 in the inside of measurement cavity 2, be equipped with overflow passage 6 in the bottom of inner tube 5;The ultrasonic detection device 8 in the application is the first ultrasonic transducer and second ultrasonic transducer with V-shaped arrangement, cooperate the reflection of ultrasonic beam by reflection element, realize the measurement of sound beam forward and reverse propagation, realize the calculation of water flow, compared with the structure of existing ultrasonic transducer oblique opposition, two ultrasonic transducers of V-shaped arrangement can guarantee the propagation path of sound beam through reflection element, thus improve the compactness of ultrasonic water meter structure, can judge whether the sediment problem appears inside water meter (signal intensity is weak when the sediment is produced inside) according to the change of the receiving signal intensity between two ultrasonic transducers.

[0019] In the embodiment, the electromagnetic descaling device comprises a magnetic core body 701 generating high-frequency electromagnetic waves and a ring-shaped electromagnetic coil 7 generating low-frequency electromagnetic waves. The magnetic core body 701 is designed in the flow passage 6, and the ring-shaped electromagnetic coil 7 is arranged at the periphery of the descaling cavity 3. The magnetic core body 701 generates high-frequency electromagnetic waves in the flow passage 6, and the ring-shaped electromagnetic coil 7 generates low-frequency electromagnetic waves at the periphery of the descaling cavity 3, thereby forming a high-low frequency alternating magnetic field signal acting on the crystalline scale in the descaling cavity 3. The magnetic core body 701 generates 10 MHz high-frequency electromagnetic waves in water, and the ring-shaped electromagnetic coil 7 generates 500 KHz low-frequency electromagnetic waves at the periphery of the descaling cavity 3, thereby generating a high-low frequency alternating magnetic field signal acting on the crystalline scale of calcium and magnesium ions, crushing the crystalline scale by more than 2000 times, and changing the dense needle-shaped crystals into scattered calcite (small molecular group water) when water flows through the alternating electromagnetic field. The generated magnetized water (small molecular group water) is gradually cracked by scouring and permeation, slowly falls off under the vibration of high and low frequency electromagnetic waves, and achieves the effect of removing scale.

[0020] In the embodiment, the bottom of the flow passage 6 is provided with a tapered sediment collection bin 9 for depositing impurities, and a pulse type drain valve 4 is installed at the opening of the lower end of the tapered sediment collection bin 9. The pulse type drain valve 4 is connected to the input end of the ultrasonic detection device 8, and the drain cycle of the pulse type drain valve 4 is dynamically adjusted by the data of the ultrasonic detection device 8. When the sediment concentration exceeds the set value, forced flushing is triggered, the pulse type drain valve 4 is opened, and sewage containing high-concentration sediment is discharged. The flow passage 6 is located in the descaling cavity 3, and a spiral flow guide fin 13 is arranged in the descaling cavity 3. The spiral extension of the spiral flow guide fin 13 is arranged towards the tapered sediment collection bin 9, forming a turbulent flow enhancement area to strengthen the scouring of the water flow on the deposited impurities. The scale is gradually cracked by the scouring and permeation of the magnetized water (small molecular group water), forming scale impurities, which are deposited in the tapered sediment collection bin 9. At the same time, the ultrasonic detection device 8 detects the sediment concentration in the tapered sediment collection bin 9. When the sediment concentration exceeds 300 ppm, forced flushing is triggered, the pulse type drain valve 4 is opened, and the spiral flow guide fin 13 forms a turbulent flow enhancement area to strengthen the scouring of the water flow on the deposited impurities, and sewage containing high-concentration sediment is discharged.

[0021] In the embodiment, the outside of the water meter body 1 is fixedly installed with an alternating power supply box 12 to provide power for the electromagnetic descaling device. The voltage of the alternating power supply box 12 is 12V or 6V, which is safe when providing power for the electromagnetic descaling device.

[0022] In the embodiment, the inner wall of the conical sediment collection bin 9 is tapered from top to bottom, a plurality of sealing ring grooves 10 are arranged in the middle of the lower end opening side wall of the conical sediment collection bin 9, and sealing rings 11 are installed in the sealing ring grooves 10, which are clamped between the lower end opening and the pulse type drain valve 4; under the scouring and penetration of magnetized water (small molecule group water), the scale gradually cracks to form scale impurities, and the spiral flow guide ribs 13 can make the scale impurities better deposit in the conical sediment collection bin 9, so that the scale impurities in the conical sediment collection bin 9 can be prevented from flowing away with the water flow in the overflow passage 6 to the greatest extent, and the concentrated collection of sediments is ensured. At the same time, each sealing ring 11 is further deformed under the extrusion action of the tapered inner wall of the descaling cavity 3, which further ensures the water tightness between the lower end opening of the conical sediment collection bin 9 and the pulse type drain valve 4.

[0023] In the embodiment, a first sensor 14 is installed on the upstream pipe wall of the descaling cavity 3, and a second sensor 15 is installed on the downstream pipe wall, both of which are used to detect the deposition of impurities inside the water meter; the first sensor 14 and the second sensor 15 have the same structure and both include two transversely opposite ultrasonic transducers, which are built-in with wireless transmission devices wirelessly connected with the management background. The first sensor 14 and the second sensor 15 detect whether the internal environment of the water meter has been seriously scaled, the same side ultrasonic transducers of the first sensor 14 and the second sensor 15 send instructions, the sound beams sent by the ultrasonic transducers are received by the opposite ultrasonic transducers, and whether the internal environment has been seriously scaled is judged by the signal strength of the received sound beams. When serious scaling problem is detected, a signal is sent to the management background to inform the maintenance personnel to disassemble and clean or replace the ultrasonic water meter.

[0024] In the embodiment, the model of the pulse type drain valve 4 is not particularly limited and can be a common drain valve device, but it is preferred to be OPT-HP40 and OPT-HP80, etc. Other models can also be selected in actual application, which are not limited herein.

[0025] In the embodiment, the ultrasonic detection device 8 is provided with a first ultrasonic transducer and a second ultrasonic transducer arranged in a V shape. The ultrasonic transducer technology is that a transmitter sends an electrical signal, which is converted into a sound wave by a transducer, and the sound wave is radiated outward. The sound wave reflected from the target or the sound wave reflected by the target itself is converted into an electrical signal by the transducer and sent to a receiver. After amplification and filtering, the information of the target can be obtained.

[0026] The utility model discloses in the specific implementation time: the high frequency electromagnetic wave of 10MHz (mega) frequency of magnetic core main body 701 occurs in water, the low frequency electromagnetic wave of 500KHz (kilohertz) frequency of annular electromagnetic coil 7 sends out in the periphery of scale removal cavity 3, produces high low frequency alternating magnetic field signal, acts on the scale of calcium magnesium ion crystalline body, makes the crystalline body break 2000 times above, when the water flows through the alternating electromagnetic field, make the dense needle-shaped crystal change for scattered calcite type (small molecule group water), the erosion of the magnetized water (small molecule group water) that produces, gradually cracks under the penetration, slowly falls under the vibration of high, low frequency electromagnetic wave, reaches the scale removal effect;The scale gradually cracks under the erosion of the magnetized water (small molecule group water), forms scale impurity, deposits in conical deposit collection bin 9, simultaneously, ultrasonic detection device 8 detects the deposit concentration in conical deposit collection bin 9, when the deposit concentration exceeds 300ppm, triggers forced flushing, makes pulse type drain valve 4 open, cooperates helical flow guide fin 13, forms the turbulent flow enhancement area, strengthens the erosion of water flow to the deposition impurity, and the sewage containing high concentration deposit is discharged.

[0027] It is worth mentioning that: in the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified. In the utility model, unless otherwise explicitly specified and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected;The circuit described in the utility model is the circuit commonly used in the art, and other related components are conventional components, and for ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0028] For those skilled in the art, it is obvious that the utility model patent is not limited to the details of the above exemplary embodiments, and the utility model patent can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model patent. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model patent is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the essential elements of the claims are intended to be included in the utility model patent. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An electronic descaling ultrasonic water meter comprising a water meter body, an ultrasonic detection device installed in the water meter body for detecting the deposition of impurities inside the water meter, characterized in that: The water meter body comprises a measurement cavity and a descaling cavity which independently operate and whose center lines are perpendicular to each other, an inner tube is installed inside the measurement cavity, and an overflow passage is arranged at the bottom of the inner tube; The electromagnetic descaling device comprises a magnetic core body for generating high-frequency electromagnetic waves and a ring-shaped electromagnetic coil for generating low-frequency electromagnetic waves, the magnetic core body is designed in the overflow passage, and the ring-shaped electromagnetic coil is arranged at the periphery of the descaling cavity, the magnetic core body generates high-frequency electromagnetic waves in the overflow passage, the ring-shaped electromagnetic coil generates low-frequency electromagnetic waves at the periphery of the descaling cavity, thereby forming a high-low frequency alternating magnetic field signal which acts on the crystalline scale in the descaling cavity; A tapered sediment collection bin is arranged at the bottom of the overflow passage for depositing impurities, a pulse-type drain valve is installed at the opening of the lower end of the tapered sediment collection bin, the pulse-type drain valve is connected to the input end of the ultrasonic detection device, the drain cycle of the pulse-type drain valve is dynamically adjusted by the data of the ultrasonic detection device, and when the concentration of the sediment exceeds a set value, forced flushing is triggered, the pulse-type drain valve is opened, and sewage containing high-concentration sediment is discharged.

2. An electronic descaling ultrasonic water meter according to claim 1, characterized in that: The overflow passage is located in the descaling cavity, and a spiral flow guide fin is arranged in the descaling cavity, the spiral extension of the spiral flow guide fin is arranged towards the tapered sediment collection bin, thereby forming a turbulent flow enhancement area to strengthen the scouring of the water flow on the deposited impurities.

3. An electronic scale type ultrasonic water meter according to claim 1, wherein: An alternating power supply box is fixedly installed on the outside of the water meter body to provide electric energy for the electromagnetic descaling device.

4. An electronic scale type ultrasonic water meter according to claim 1, wherein: The inner wall of the tapered sediment collection bin is tapered from top to bottom, a plurality of sealing ring grooves are arranged in the middle of the side wall of the lower end opening of the tapered sediment collection bin, and sealing rings are installed in the sealing ring grooves, the sealing rings are clamped between the lower end opening and the pulse-type drain valve.

5. An electronic scale type ultrasonic water meter according to claim 1, wherein: A first sensor is installed on the upstream pipe wall of the descaling cavity, and a second sensor is installed on the downstream pipe wall, both of which are used to detect the deposition of impurities inside the water meter.

6. An electronic scale type ultrasonic water meter according to claim 5, wherein: The first sensor and the second sensor have the same structure and both comprise two laterally opposite ultrasonic transducers, the ultrasonic transducers are built-in with wireless transmission devices which are wirelessly connected to a management background.

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