CN221685573U - A self-generating ultrasonic water meter with a turbine rotation contrast mechanism - Google Patents

Abstract

The utility model discloses a self-generating ultrasonic water meter with a turbine rotation comparison mechanism. The ultrasonic water meter device aims to solve the technical problems in the prior art that the battery cannot supply power and the water consumption measured by the ultrasonic water meter may deviate under unexpected circumstances. The device comprises a collecting pipe, an ultrasonic tube and an ultrasonic meter head. The two ends of the collecting pipe are respectively provided with a water inlet end and a water outlet end. The middle top of the collecting pipe is fixedly connected with a connecting end, and the ultrasonic tube is installed inside the connecting end. The utility model installs a turbine on the upper end of an ultrasonic inner tube, embeds a permanent magnet on the blades of the turbine, and arranges an induction coil on an ultrasonic outer tube. The turbine is driven to rotate by water flow so that the permanent magnet periodically passes through the induction coil, thereby generating an induced electromotive force in the induction coil, and is connected to a circuit board through a first wire, thereby supplying power to the battery.

Description

A self-generating ultrasonic water meter with a turbine rotation contrast mechanism

Technical Field

The utility model belongs to the technical field of ultrasonic water meters, and in particular relates to a self-generating ultrasonic water meter with a turbine rotation comparison mechanism.

Background Art

Ultrasonic water meters use non-contact measurement to measure water flow by emitting ultrasonic signals and receiving echoes. Ultrasonic water meters use precise ultrasonic measurement technology to measure water flow in real time and accurately. It can provide high-precision data and is suitable for applications that require accurate measurement, such as billing and flow monitoring. Ultrasonic water meters have a large measurement range. It can adapt to pipes of different sizes and flow rates, and can effectively measure from small to large flows. This makes ultrasonic water meters flexible in various application scenarios. The design of ultrasonic water meters produces less pressure loss when water flows through, ensuring the stability of water flow and the accuracy of flow measurement.

Since the ultrasonic water meter is a continuous measurement method, ultrasonic detection is used to measure the water flow velocity in the pipe section, and the water consumption is obtained by multiplying the water flow velocity by the product of the cross-sectional area and time. Since it is a continuous measurement method, increasing the frequency of ultrasonic emission and reception can improve the measurement accuracy of the ultrasonic water meter, but increasing the frequency of ultrasonic emission and reception will increase power consumption, so it is necessary to consider how to supplement the battery power supply by obtaining the water flow energy in the pipeline; and the continuous measurement method requires that the ultrasonic water meter always maintains measurement. If the ultrasonic water meter cannot measure due to unexpected reasons, the water consumption measured by the ultrasonic water meter will be deviated, and additional mechanisms need to be used for comparison and calibration. Therefore, a self-generating ultrasonic water meter with a turbine rotation comparison mechanism is designed to change the above technical defects.

Utility Model Content

(1) Technical issues to be solved

In view of the shortcomings of the prior art, the purpose of the utility model is to provide a self-generating ultrasonic water meter with a turbine rotation comparison mechanism. The ultrasonic water meter device is intended to solve the technical problems in the prior art that the battery cannot supply power and unexpected situations may cause deviations in the water consumption measured by the ultrasonic water meter.

(2) Technical solution

In order to solve the above technical problems, the utility model provides a self-generating ultrasonic water meter with a turbine rotation comparison mechanism, comprising a collecting tube, an ultrasonic tube and an ultrasonic meter head, wherein the two ends of the collecting tube are respectively provided with a water inlet end and a water outlet end, the middle top end of the collecting tube is fixedly connected with a connecting end, the ultrasonic tube is installed inside the connecting end, the ultrasonic meter head is fixedly connected to an end of the ultrasonic tube away from the connecting end, the ultrasonic tube comprises an ultrasonic outer tube and an ultrasonic inner tube, the top end of the ultrasonic inner tube is fixedly connected to the inner top wall of the ultrasonic outer tube, a turbine is installed at the upper end of the ultrasonic inner tube through a bearing, a permanent magnet is embedded in the outer edge of the blade of the turbine, an induction coil is fixedly connected to the middle part of one side of the ultrasonic outer tube and at a position corresponding to the permanent magnet, a first ultrasonic transducer is fixedly connected to the one inside one side of the ultrasonic outer tube and located below the induction coil, and a second ultrasonic transducer is fixedly connected to the other side of the ultrasonic outer tube and at a position corresponding to the first ultrasonic transducer.

Preferably, a water inlet is provided inside the manifold and below the connection end, and the water inlet is on a side close to the water inlet end. A water outlet is provided inside the manifold and on a side close to the water outlet end.

Furthermore, a step groove is provided at the inner upper end of the connecting end, and an inner wall of the step groove is provided with an internal thread.

Furthermore, the ultrasonic outer tube and the ultrasonic inner tube are an integrated structure, the bottom end of the ultrasonic inner tube is located below the bottom end of the ultrasonic outer tube, the outer wall of the lower end of the ultrasonic outer tube is provided with an external thread, and the lower end of the ultrasonic outer tube is threadedly connected to the step groove at the upper end of the connecting end.

Furthermore, a flow cavity is formed between the ultrasonic outer tube and the ultrasonic inner tube, the lower surface of the ultrasonic outer tube contacts the step surface of the step groove, an annular groove is provided in the middle of the lower surface of the ultrasonic inner tube, an O-ring is installed inside the annular groove, the lower surface of the ultrasonic inner tube contacts the upper surface of the water inlet, and a plurality of water outlet holes distributed in a circular array are provided at the upper end of the ultrasonic inner tube.

Furthermore, the ultrasonic meter head is internally provided with a battery, a circuit board, a reading display screen and an ultrasonic signal analysis module; the output end of the induction coil is fixedly connected to a first wire, the other end of the first wire is electrically connected to the circuit board, the output end of the first ultrasonic transducer is fixedly connected to a second wire, the other end of the second wire is connected to the ultrasonic signal analysis module.

Furthermore, the inner end of the first ultrasonic transducer sequentially penetrates the ultrasonic outer tube, the flow cavity and the ultrasonic inner tube, the inner end of the second ultrasonic transducer is fixedly connected to an ultrasonic reflection column, the end of the ultrasonic reflection column away from the second ultrasonic transducer sequentially penetrates the ultrasonic outer tube, the flow cavity and the ultrasonic inner tube and extends to the interior, and the extended end of the ultrasonic reflection column is provided with an upward reflecting slope.

(3) Beneficial effects

Compared with the prior art, the beneficial effects of the present invention are:

1. The utility model installs a turbine on the upper end of an ultrasonic inner tube, embeds a permanent magnet on the blades of the turbine, and arranges an induction coil on an ultrasonic outer tube. The turbine is driven by water flow to rotate so that the permanent magnet periodically passes through the induction coil, thereby causing the induction coil to generate an induced electromotive force, and is connected to a circuit board through a first wire, thereby supplying power to a battery.

2. The utility model measures the frequency and magnitude of the induced electromotive force and induced current generated by the induction coil through the circuit board, thereby obtaining the water flow velocity in the collecting pipe, and multiplies the water flow velocity with the cross-sectional area of the outer ring and the time through the circuit board, so as to compare the water consumption measured by the ultrasonic tube; in the event of an unexpected situation of the ultrasonic water meter causing a counting failure, the comparison can be made through the rotation of the turbine, and if the water consumption exceeds a certain error ratio, the remote alarm function of the ultrasonic water meter is automatically triggered to prompt the user.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG2 is a schematic diagram of the overall explosion structure of the utility model;

FIG3 is a schematic structural diagram of the ultrasonic tube of the present invention from another perspective;

FIG4 is a schematic diagram of a sectional view of the overall structure of the utility model.

The markings in the attached drawings are: 1. collecting pipe; 101. water inlet end; 102. water outlet end; 103. connecting end; 104. water inlet; 105. water outlet; 2. ultrasonic outer tube; 3. ultrasonic meter head; 301. circuit board; 4. ultrasonic inner tube; 401. water outlet hole; 402. turbine; 403. permanent magnet; 404. O-ring; 5. induction coil; 501. first wire; 6. first ultrasonic transducer; 601. second ultrasonic transducer; 602. second wire; 603. ultrasonic reflection column.

DETAILED DESCRIPTION

The specific embodiment is a self-generating ultrasonic water meter with a turbine rotation comparison mechanism, and its structural schematic diagram is shown in Figures 1 to 4, including a collection pipe 1, an ultrasonic tube and an ultrasonic meter head 3. The two ends of the collection pipe 1 are respectively provided with a water inlet end 101 and a water outlet end 102. The middle top of the collection pipe 1 is fixedly connected with a connecting end 103. The ultrasonic tube is installed inside the connecting end 103. The ultrasonic meter head 3 is fixedly connected to the end of the ultrasonic tube away from the connecting end 103. The ultrasonic tube includes an ultrasonic outer tube 2 and an ultrasonic inner tube 4. The ultrasonic inner tube 4 is The top end is fixedly connected to the inner top wall of the ultrasonic outer tube 2, a turbine 402 is installed on the upper end of the ultrasonic inner tube 4 through a bearing, a permanent magnet 403 is embedded in the outer edge of the blade of the turbine 402, an induction coil 5 is fixedly connected to the middle of one side of the ultrasonic outer tube 2 and a position corresponding to the permanent magnet 403, a first ultrasonic transducer 6 is fixedly connected to the inside of one side of the ultrasonic outer tube 2 and located below the induction coil 5, and a second ultrasonic transducer 601 is fixedly connected to the inside of the other side of the ultrasonic outer tube 2 and a position corresponding to the first ultrasonic transducer 6.

A turbine 402 is installed on the upper end of the ultrasonic inner tube 4, a permanent magnet 403 is embedded on the blades of the turbine 402, and an induction coil 5 is arranged on the ultrasonic outer tube 2. The turbine 402 is driven to rotate by the water flow so that the permanent magnet 403 periodically passes through the induction coil 5, so that the induction coil 5 generates an induced electromotive force and is connected to the circuit board 301 through the first wire 501, so as to supply power to the battery.

A water inlet 104 is provided inside the manifold 1 and below the connection end 103 , and the water inlet 104 is close to the water inlet end 101 . A water outlet 105 is provided inside the manifold 1 and close to the water outlet end 102 .

The inner upper end of the connection end 103 is provided with a step groove, and the inner wall of the step groove is provided with an internal thread.

Among them, the ultrasonic outer tube 2 and the ultrasonic inner tube 4 are an integrated structure, the bottom end of the ultrasonic inner tube 4 is located below the bottom end of the ultrasonic outer tube 2, the outer wall of the lower end of the ultrasonic outer tube 2 is provided with an external thread, and the lower end of the ultrasonic outer tube 2 is threadedly connected to the step groove at the upper end of the connection end 103.

Among them, a flow cavity is formed between the ultrasonic outer tube 2 and the ultrasonic inner tube 4, the lower surface of the ultrasonic outer tube 2 contacts the step surface of the step groove, an annular groove is opened in the middle of the lower surface of the ultrasonic inner tube 4, an O-ring 404 is installed inside the annular groove, the lower surface of the ultrasonic inner tube 4 contacts the upper surface of the water inlet 104, and a plurality of water outlet holes 401 distributed in a circular array are opened at the upper end of the ultrasonic inner tube 4.

Among them, the ultrasonic meter head 3 is internally provided with a battery, a circuit board 301, a reading display screen and an ultrasonic signal analysis module; the output end of the induction coil 5 is fixedly connected to the first wire 501, and the other end of the first wire 501 is electrically connected to the circuit board 301; the output end of the first ultrasonic transducer 6 is fixedly connected to the second wire 602, and the other end of the second wire 602 is connected to the ultrasonic signal analysis module.

Among them, the inner end of the first ultrasonic transducer 6 passes through the ultrasonic outer tube 2, the flow cavity and the ultrasonic inner tube 4 in sequence, and the inner end of the second ultrasonic transducer 601 is fixedly connected with an ultrasonic reflection column 603. The end of the ultrasonic reflection column 603 away from the second ultrasonic transducer 601 passes through the ultrasonic outer tube 2, the flow cavity and the ultrasonic inner tube 4 in sequence and extends to the inside. The extended end of the ultrasonic reflection column 603 is provided with an upward reflecting slope.

Working principle: When in use, the ultrasonic outer tube 2 in the ultrasonic tube is threadedly connected to the connecting end 103, so that the bottom of the ultrasonic inner tube 4 contacts the water inlet 104, and leakage is prevented by the action of the O-ring 404, and then the water inlet end 101 is connected to the external water pipe and water is injected, and water enters the ultrasonic inner tube 4 through the water inlet end 101 and the water inlet 104. At the same time, the circuit board 301 controls the second ultrasonic transducer 601 to start, and the ultrasonic signal emitted by the second ultrasonic transducer 601 is transmitted in the ultrasonic inner tube 4 through the reflection surface of the ultrasonic reflection column 603, and is received by the first ultrasonic transducer 6 and transmitted to the ultrasonic signal analysis module through the second wire 602, thereby playing a role in measuring the water flow rate; at the same time, water continues to be injected and lifted upward, and then flows out through the water outlet hole 401, the flow cavity, the water outlet 105 and the water outlet end 102; at the same time, when the water flows downward When the water flows through the cavity, the blades of the turbine 402 are driven to rotate, thereby driving the permanent magnet 403 to rotate, so that the permanent magnet 403 periodically passes through the induction coil 5, so that the induction coil 5 generates an induced electromotive force and transmits the induced electromotive force to the circuit board 301 through the first wire 501, so as to power the battery; the frequency and magnitude of the induced electromotive force and the induced current generated by the induction coil 5 are measured by the circuit board 301, so as to obtain the water flow velocity in the collecting tube 1, and the water flow velocity is multiplied by the outer ring cross-sectional area and time through the circuit board 301, so as to compare the water consumption measured by the ultrasonic tube. In the case that an unexpected situation occurs in the ultrasonic water meter and the counting fails, the comparison can be carried out by rotating the turbine 402. If the water consumption exceeds a certain error ratio, the remote alarm function of the ultrasonic water meter is automatically triggered to prompt the user.

The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims (7)

1. The utility model provides a from power generation ultrasonic wave water gauge with turbine rotates contrast mechanism which characterized in that: including collecting pipe (1), ultrasonic wave pipe and ultrasonic meter head (3), the both ends of collecting pipe (1) are provided with respectively into water end (101) and play water end (102), the middle part top fixedly connected with link (103) of collecting pipe (1), the inside at link (103) is installed to the ultrasonic wave pipe, the one end that link (103) was kept away from in ultrasonic wave meter head (3) fixedly connected with ultrasonic wave pipe, the ultrasonic wave pipe includes ultrasonic outer tube (2) and ultrasonic inner tube (4), the top of ultrasonic inner tube (4) and the interior roof fixed connection of ultrasonic outer tube (2), turbine (402) are installed through the bearing to the upper end of ultrasonic inner tube (4), the blade outer fringe of turbine (402) is inlayed and is equipped with permanent magnet (403), one side middle part and the corresponding position fixedly connected with induction coil (5) of permanent magnet (403) of ultrasonic outer tube (2), one side inside and that is located the below of induction coil (5) is fixedly connected with first transducer (6), inside and the corresponding ultrasonic transducer (601) of first ultrasonic transducer (6) of the opposite side of ultrasonic outer tube (2).

2. The self-generating ultrasonic water meter with turbine rotation contrast mechanism of claim 1, wherein: the water inlet (104) is arranged in the collecting pipe (1) and below the connecting end (103), one side, close to the water inlet end (101), of the water inlet (104), and the water outlet (105) is arranged in the collecting pipe (1) and close to one side, close to the water outlet end (102).

3. The self-generating ultrasonic water meter with turbine rotation contrast mechanism of claim 1, wherein: the upper end of the inside of the connecting end (103) is provided with a step groove, and the inner wall of the step groove is provided with an internal thread.

4. The self-generating ultrasonic water meter with turbine rotation contrast mechanism of claim 1, wherein: the ultrasonic outer tube (2) and the ultrasonic inner tube (4) are of an integrated structure, the bottom end of the ultrasonic inner tube (4) is located below the bottom end of the ultrasonic outer tube (2), external threads are arranged on the outer wall of the lower end of the ultrasonic outer tube (2), and the lower end of the ultrasonic outer tube (2) is in threaded connection with the step groove at the upper end inside the connecting end (103).

5. The self-generating ultrasonic water meter with turbine rotation contrast mechanism of claim 4, wherein: the ultrasonic wave outer tube (2) and ultrasonic wave inner tube (4) between form the circulation chamber, the lower surface of ultrasonic wave outer tube (2) and the step face contact in step groove, annular groove has been seted up at the lower surface middle part of ultrasonic wave inner tube (4), internally mounted of annular groove has O type circle (404), the lower surface of ultrasonic wave inner tube (4) contacts with the upper surface of water inlet (104), a plurality of apopores (401) that are annular array and distribute have been seted up to the upper end of ultrasonic wave inner tube (4).

6. The self-generating ultrasonic water meter with turbine rotation contrast mechanism of claim 1, wherein: the ultrasonic meter is characterized in that a battery, a circuit board (301), a reading display screen and an ultrasonic signal analysis module are arranged in the ultrasonic meter head (3), a first wire (501) is fixedly connected to the output end of the induction coil (5) and is electrically connected with the circuit board (301), a second wire (602) is fixedly connected to the output end of the first ultrasonic transducer (6), and the other end of the second wire (602) is connected with the ultrasonic signal analysis module.

7. The self-generating ultrasonic water meter with turbine rotation contrast mechanism of claim 1, wherein: the inner end of the first ultrasonic transducer (6) sequentially penetrates through the ultrasonic outer tube (2), the circulation cavity and the ultrasonic inner tube (4), an ultrasonic reflection column (603) is fixedly connected to the inner end of the second ultrasonic transducer (601), one end, far away from the second ultrasonic transducer (601), of the ultrasonic reflection column (603) sequentially penetrates through the ultrasonic outer tube (2), the circulation cavity and the ultrasonic inner tube (4) and extends to the inside, and an upward reflection inclined plane is arranged at the extending end of the ultrasonic reflection column (603).