CN219736463U - Split Doppler ultrasonic flowmeter - Google Patents

Abstract

The utility model provides a split Doppler ultrasonic flowmeter, and belongs to the technical field of hydrologic monitoring. The device includes casing and probe spare, the probe spare rotates and sets up in the front end of casing, the one end bilateral symmetry that the casing is close to the probe spare is provided with the extension piece, the both sides of probe spare are provided with first fixing base and second fixing base respectively, first fixing base and second fixing base respectively with the tip fixed connection of two extension pieces, the regulation chamber has been seted up to the inside of first fixing base, spacing chamber has been seted up to the inside of second fixing base, the front side of probe spare is provided with two transducers, the inside of casing is provided with the controller, transducer and controller electric connection, the device adopts split type structure for but probe spare angle automatically regulated satisfies the monitoring requirement of water shallow, the fast region of velocity of flow, can be used to measure the flow data in different degree of depth waters simultaneously, convenient to use.

Description

Split Doppler ultrasonic flowmeter

Technical Field

The utility model relates to the technical field of hydrologic monitoring, in particular to a split Doppler ultrasonic flowmeter.

Background

In addition, because the probe angle of the conventional flowmeter is fixed, the flow velocity of a single point can only be measured, and the flow velocity of each height of the water surface, the water and the water bottom are mostly different, even the condition of different flow velocity of a multilevel layer can occur, in order to solve the problem, the probe mounting bracket is usually preset and fixed at a certain angle before entering water, the angle cannot be changed in the use process, so that the monitoring range is limited, the manual repeated dismounting of the mounting bracket is required, the operation is complex, a great deal of time and manpower are wasted, and the use requirement is difficult to meet.

Disclosure of Invention

In order to make up for the defects, the utility model provides the split Doppler ultrasonic flowmeter which adopts a split structure, so that the angle of a probe part can be automatically adjusted, the monitoring requirements of areas with shallow water and high flow velocity are met, and the split Doppler ultrasonic flowmeter can be used for measuring flow data of water areas with different depths and is convenient to use.

The utility model is realized in the following way:

the utility model provides a split type Doppler ultrasonic flowmeter, includes casing and probe spare, probe spare rotate set up in the front end of casing, the casing is close to the one end bilateral symmetry of probe spare is provided with the extension piece, the both sides of probe spare are provided with first fixing base and second fixing base respectively, first fixing base with the second fixing base respectively with two the tip fixed connection of extension piece, the regulation chamber has been seted up to the inside of first fixing base, spacing chamber has been seted up to the inside of second fixing base, the front side of probe spare is provided with two transducers, the bottom fixedly connected with pivot of probe spare, the inside of casing is provided with the controller, the transducer with controller electric connection.

In one embodiment of the utility model, sealing bearings are arranged on one sides of the first fixing seat and the second fixing seat, which are close to each other, and two ends of the rotating shaft are matched with the sealing bearings and then extend to the interiors of the adjusting cavity and the limiting cavity respectively.

In one embodiment of the utility model, an adjusting motor, a worm wheel and a worm are arranged in the adjusting cavity, an output shaft of the adjusting motor is fixedly connected with one end of the worm, the worm wheel is arranged on one side of the worm, the worm wheel is fixedly connected with one end of the rotating shaft, and the worm wheel is meshed with the worm.

In one embodiment of the present utility model, an input end of the adjusting motor is electrically connected to an output end of the controller.

In one embodiment of the utility model, a fixed bearing is arranged at one end of the worm far away from the adjusting motor, and the fixed bearing is fixedly connected with the inner wall of the adjusting cavity.

In one embodiment of the utility model, a limiting wheel is arranged in the limiting cavity and fixedly connected with the end part of the rotating shaft, limiting holes are formed in the circumferential surface of the limiting wheel in an annular array, limiting pins are symmetrically arranged on the outer side of the limiting wheel, and the limiting pins are matched with the limiting holes.

In one embodiment of the utility model, the inner wall of the limiting cavity is symmetrically provided with the movable groove, one end of the limiting pin is movably arranged in the movable groove, a spring piece is arranged in the movable groove, and two ends of the spring piece are respectively abutted with the inner wall of the movable groove and the end part of the limiting pin.

In one embodiment of the utility model, one end of the limiting pin, which is close to the movable groove, is provided with a protruding part for preventing the limiting pin from falling out, and the other end of the limiting pin is in a circular arc structure.

In one embodiment of the utility model, the controller is provided with a processing module, the rear side of the probe piece is provided with a connecting wire, one end of the connecting wire is electrically connected with the transducer, and the other end of the connecting wire extends into the shell and is electrically connected with the processing module.

In one embodiment of the utility model, the controller is further provided with a power module, a communication module and a storage module, one side of the shell is provided with a waterproof charging connector electrically connected with the input end of the power module, and the communication module adopts an RS-485 serial communication mode.

The split Doppler ultrasonic flowmeter obtained through the design has the beneficial effects that:

(1) The flowmeter separates the probe part into independent parts, and improves the probe part into an adjustable probe from the traditional angle fixing type, the measuring angle of the probe part can be automatically adjusted according to the actual condition of a measured water area, the problem of inaccurate flow rate measurement caused by shallow water and high flow rate is solved, the angle of the probe can be adjusted to be horizontal, and the mounting support height of the probe is adjusted to be used for measuring the flow rate data of different flat layers, so that the application range is wide;

(2) The probe angle adjustment is driven by the motor, remote control can be realized, response speed is high, automation and intelligent degree are high, and the probe is kept stable by the limiting mechanism, so that the operation is simple, the use is reliable, manual repeated operation is not needed, the installation and maintenance are convenient, time and manpower are saved, and the use efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a split doppler ultrasonic flowmeter according to an embodiment of the present utility model;

fig. 2 is a schematic side view of a split doppler ultrasonic flowmeter according to an embodiment of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic cross-sectional view of section B-B of FIG. 2;

FIG. 5 is a schematic cross-sectional structural view of section C-C of FIG. 2;

fig. 6 is an electrical connection block diagram of a split doppler ultrasound flow meter according to an embodiment of the present utility model.

In the figure: 101. a housing; 1011. an extension piece; 1012. a controller; 1013. a processing module; 1014. a power module; 1015. a communication module; 1016. a storage module; 102. a probe member; 1021. a transducer; 1022. a connecting wire; 1023. a rotating shaft; 103. a first fixing seat; 1031. a regulating chamber; 1032. adjusting a motor; 1033. a worm wheel; 1034. a worm; 1035. fixing a bearing; 104. the second fixing seat; 1041. a spacing cavity; 1042. a limiting wheel; 1043. a limiting hole; 1044. a movable groove; 1045. a limiting pin; 1046. a spring member; 105. sealing the bearing.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-6, the present utility model provides a technical solution: the split Doppler ultrasonic flowmeter comprises a shell 101 and a probe piece 102, wherein the probe piece 102 is rotatably arranged at the front end of the shell 101, the probe piece 102 and the shell 101 are arranged in a split structure, the angle of the probe piece 102 can be randomly regulated to adapt to measurement requirements of different water areas, extension pieces 1011 are symmetrically arranged at two sides of one end of the shell 101, which is close to the probe piece 102, a first fixing seat 103 and a second fixing seat 104 are respectively arranged at two sides of the probe piece 102, the first fixing seat 103 and the second fixing seat 104 are respectively fixedly connected with the end parts of the two extension pieces 1011, the end parts of the extension pieces 1011 and the side wall of the shell 101 can be connected by bolts, under the condition of limited installation space, the probe piece 102 and the shell 101 can be separately installed at different positions, the volume of the probe piece 102 is reduced, the disassembly is convenient, and the surface adhesion sundries of the shell 101 can be prevented from affecting the measurement accuracy of the probe piece 102 after long-time use of equipment, the number of manual cleaning and maintenance is also reduced, the regulating cavity 1031 is arranged in the first fixing seat 103, the limiting cavity 1041 is arranged in the second fixing seat 104, the mechanism for driving the angle regulation of the probe piece 102 is arranged in the regulating cavity 1031, the remote control automatic regulation is realized, the positioning mechanism is arranged in the limiting cavity 1041, the probe piece 102 after the angle regulation is kept fixed, the random change of the angle caused by the water flow impact is prevented, two transducers 1021 are arranged on the front side of the probe piece 102, the bottom of the probe piece 102 is fixedly connected with a rotating shaft 1023, a controller 1012 is arranged in the shell 101, the transducers 1021 are electrically connected with the controller 1012, the transducers 1021 release and receive ultrasonic signals, the parameters such as the flow rate and the flow of water body are measured by utilizing the Doppler effect, and the like are also arranged on the shell 101 for simultaneously acquiring auxiliary parameters, the probe part 102 and the shell 101 adopt the waterproof grade of IP68, so that the reliability of the underwater operation of the flowmeter is ensured.

As an embodiment of the present utility model, further, sealing bearings 105 are disposed on the sides of the first fixing seat 103 and the second fixing seat 104, which are close to each other, and two ends of the rotating shaft 1023 are matched with the sealing bearings 105 and then extend to the inner parts of the adjusting cavity 1031 and the limiting cavity 1041, respectively, the rotating shaft 1023 is used for driving the probe member 102 to rotate and limit the probe member, and the sealing bearings 105 ensure that the rotating shaft 1023 has a sealing effect while ensuring normal use, and water seepage is prevented from entering the cavity.

As an embodiment of the present utility model, further, an adjusting motor 1032, a worm wheel 1033 and a worm 1034 are disposed in the adjusting cavity 1031, an output shaft of the adjusting motor 1032 is fixedly connected with one end of the worm 1034, the worm wheel 1033 is disposed at one side of the worm 1034, the worm wheel 1033 is fixedly connected with one end of the rotating shaft 1023, the worm wheel 1033 is meshed with the worm 1034, the adjusting motor 1032 drives the worm 1034 to rotate, power is transmitted to the rotating shaft 1023 through meshing with the worm wheel 1033, thereby driving the probe 102 to angularly adjust, one end of the worm 1034 far from the adjusting motor 1032 is provided with a fixed bearing 1035, the fixed bearing 1035 is fixedly connected with an inner wall of the adjusting cavity 1031, the fixed bearing 1035 is convenient for installation and limit of the worm 1034, stable transmission of power is ensured, an input end of the adjusting motor 1032 is electrically connected with an output end of the controller 1012, the controller 1012 transmits a power signal to the adjusting motor, the adjusting motor 1032 is driven to start or stop, the controller 1032 can control the adjusting motor 1032 to rotate according to a required angle, in this embodiment, an encoder can be disposed on the output shaft of the adjusting motor, the detecting angle of the detecting the probe is provided, the angle of the adjusting motor is controlled, in addition, the three angles can be monitored by using the actual angle can be normally be monitored by 60 ° and the monitoring the angle is normally in the three degrees, and the real process can be provided.

As an embodiment of the present utility model, further, a limiting wheel 1042 is disposed in the limiting cavity 1041, the limiting wheel 1042 is fixedly connected with the end of the rotating shaft 1023, a limiting hole 1043 is disposed on the outer peripheral surface of the limiting wheel 1042 in an annular array, limiting pins 1045 are symmetrically disposed on the outer side of the limiting wheel 1042, the limiting pins 1045 are matched with the limiting hole 1043, the limiting pins 1045 are inserted into the corresponding limiting holes 1043 to prevent the limiting disk from rotating, thereby realizing anti-rotation limiting of the rotating shaft 1023, the probe 102 keeps the current angle, a movable groove 1044 is symmetrically disposed on the inner wall of the limiting cavity 1041, one end of the limiting pin 1045 is movably disposed in the movable groove 1044, a spring member 1046 is disposed in the movable groove 1044, two ends of the spring member 1046 are respectively abutted against the inner wall of the movable groove 1044 and the end of the limiting pin 1045, the spring member 1046 acts on the limiting pins 1045, the limiting pins 1045 are kept to be matched with the corresponding limiting holes 1043, one end of the limiting pins 1045 is disposed near the end of the movable groove 1044, the end of the movable groove 1043 is prevented from protruding from the rotating shaft 1043, and the other end of the rotating shaft 1043 is prevented from being displaced from the circular arc-shaped end 1043, and the rotating from the inner end of the rotating shaft 1043 is not being equal to the circular arc-shaped to the limiting hole 1043, and the rotating shaft 1043 is stable, and the axial force of the limiting pin 1043 is adjusted from the inner radius of the rotating shaft 1043 is small, and the rotating is equal to the axial force of the end of the rotating shaft is equal to the axial force, and is equal to the axial force, and is the axial force is and, and is the axial force is and.

As an embodiment of the present utility model, further, a processing module 1013 is disposed on the controller 1012, a connection wire 1022 is disposed on the rear side of the probe 102, one end of the connection wire 1022 is electrically connected to the transducer 1021, the other end of the connection wire 1022 extends into the housing 101 and is electrically connected to the processing module 1013, a flow velocity calculating method based on doppler effect is disposed in the processing module 1013, and the transducer 1021 transmits the collected signal to the processing module 1013, so that the monitoring data can be calculated and converted quickly and accurately.

As an embodiment of the present utility model, further, the controller 1012 is further provided with a power module 1014, a communication module 1015 and a storage module 1016, one side of the housing 101 is provided with a waterproof charging connector electrically connected to an input end of the power module 1014, the power module 1014 provides electric energy for the operation of the flowmeter, a storage battery or an external power supply line can be used, the use is convenient, the storage module 1016 is used for storing monitoring data for a period of time, data loss is prevented, the communication module 1015 adopts an RS-485 serial communication mode, the communication module 1015 is convenient to be connected with an upper computer in a communication manner, uploading of the monitoring data and receiving of a remote control signal are achieved, and the automation and intelligent degree of the flowmeter are improved.

Specifically, the application principle of the split Doppler ultrasonic flowmeter is as follows: the flowmeter is mounted on a bracket and placed in a water area to be monitored, the flow condition of water is observed, a corresponding angle is input on an upper computer, after a communication module 1015 receives a control signal, the control signal is transmitted to an adjusting motor 1032 through a controller 1012, the adjusting motor 1032 is started, a rotating shaft 1023 is driven to rotate by the engagement of a worm wheel 1033 and a worm 1034 to a corresponding angle, at the moment, a limiting pin 1045 is inserted into a corresponding limiting hole 1043 to prevent the angle change caused by the rotation of the limiting plate and the rotating shaft 1023, an ultrasonic signal is sent by a transducer 1021, the ultrasonic signal is reflected after the ultrasonic signal is impacted with water flow, the transducer 1021 receives the ultrasonic signal, the received signal is transmitted to a processing module 1013 through a connecting wire 1022, the processing module 1013 calculates and converts the received signal into flow speed and flow monitoring data, the flow monitoring data is uploaded to the upper computer through the communication module 1015, whether the current angle of the probe piece 102 is proper or not is judged by observing the stability condition of the monitoring data, and the angle of the probe piece 102 is adjusted by repeating the steps until the impact of the water flow on the probe piece 102 is minimum, and the monitoring data is kept stable.

It should be noted that, specific model specifications of the controller 1012, the transducer 1021, and the adjusting motor 1032 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts a prior art in the art, so detailed descriptions thereof are omitted.

The power supply and its principles of the controller 1012, transducer 1021, and adjustment motor 1032 will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a split type Doppler ultrasonic flowmeter, its characterized in that, including casing (101) and probe spare (102), probe spare (102) rotate set up in the front end of casing (101), casing (101) are close to the one end bilateral symmetry of probe spare (102) is provided with extension piece (1011), the both sides of probe spare (102) are provided with first fixing base (103) and second fixing base (104) respectively, first fixing base (103) with second fixing base (104) respectively with the tip fixed connection of extension piece (1011), regulation chamber (1031) have been seted up to the inside of first fixing base (103), spacing chamber (1041) have been seted up to the inside of second fixing base (104), the front side of probe spare (102) is provided with two transducers (1021), the bottom fixedly connected with pivot (1023) of probe spare (102), the inside of casing (101) is provided with controller (1012), transducer (1021) with controller (1012) electric connection.

2. The split doppler ultrasound flow meter according to claim 1, wherein the first fixing base (103) and the second fixing base (104) are respectively provided with a sealing bearing (105) at a side close to each other, and two ends of the rotating shaft (1023) are respectively extended to the inside of the adjusting cavity (1031) and the limiting cavity (1041) after being matched with the sealing bearings (105).

3. The split doppler ultrasound flow meter according to claim 1, wherein an adjusting motor (1032), a worm wheel (1033) and a worm (1034) are provided in the adjusting cavity (1031), an output shaft of the adjusting motor (1032) is fixedly connected with one end of the worm (1034), the worm wheel (1033) is provided at one side of the worm (1034), the worm wheel (1033) is fixedly connected with one end of the rotating shaft (1023), and the worm wheel (1033) is meshed with the worm (1034).

4. A split doppler ultrasound flow meter as claimed in claim 3, characterised in that the input of the adjustment motor (1032) is electrically connected to the output of the controller (1012).

5. A split doppler ultrasound flow meter according to claim 3, characterised in that the end of the worm (1034) remote from the adjustment motor (1032) is provided with a fixed bearing (1035), the fixed bearing (1035) being fixedly connected to the inner wall of the adjustment chamber (1031).

6. The split type Doppler ultrasonic flowmeter according to claim 1, wherein a limiting wheel (1042) is arranged in the limiting cavity (1041), the limiting wheel (1042) is fixedly connected with the end part of the rotating shaft (1023), limiting holes (1043) are formed in an annular array on the outer peripheral surface of the limiting wheel (1042), limiting pins (1045) are symmetrically arranged on the outer side of the limiting wheel (1042), and the limiting pins (1045) are matched with the limiting holes (1043).

7. The split type doppler ultrasonic flowmeter according to claim 6, wherein the inner wall of the limiting cavity (1041) is symmetrically provided with a movable groove (1044), one end of the limiting pin (1045) is movably disposed in the movable groove (1044), a spring member (1046) is disposed in the movable groove (1044), and two ends of the spring member (1046) are respectively abutted to the inner wall of the movable groove (1044) and the end of the limiting pin (1045).

8. The split doppler ultrasound flow meter of claim 7, wherein one end of the limiting pin (1045) near the movable groove (1044) is provided with a protruding part for preventing the protrusion from falling out, and the other end of the limiting pin (1045) has a circular arc structure.

9. The split doppler ultrasound flow meter according to claim 1, wherein the controller (1012) is provided with a processing module (1013), the rear side of the probe member (102) is provided with a connection wire (1022), one end of the connection wire (1022) is electrically connected to the transducer (1021), and the other end of the connection wire (1022) extends into the housing (101) and is electrically connected to the processing module (1013).

10. The split doppler ultrasound flow meter of claim 1, wherein the controller (1012) is further provided with a power module (1014), a communication module (1015) and a storage module (1016), one side of the housing (101) is provided with a waterproof charging connector electrically connected to an input end of the power module (1014), and the communication module (1015) adopts an RS-485 serial communication mode.