Ultrasonic flowmeter

Abstract

The utility model relates to the technical field of ultrasonic flow meters, and discloses an ultrasonic flow meter which is characterized in that a detection structure of the flow meter adopts a module integrated structure, main electric control parts of the detection structure are integrally packaged by utilizing an insulating bin, and a lithium battery is arranged in the insulating bin, so that stable emergency work energy supply can be provided for a device in a power-off state; a communication plug at the lower part is inserted and communicated with a needle column interface in the centering mounting seat, so that the working communication connection with the ultrasonic transducer is realized, and the circuit structure is integrally mounted in the insulating bin and is matched with the shielding protection of the mounting pipe body to form a double-shell-seat protection structure; the safety protection performance and the working stability of the device are greatly improved, communication connection is achieved through the socket structure, complicated working wiring and connector welding are not needed, the risk of short circuit caused by water inflow of a circuit can be effectively reduced, the insulating bin can be independently detached, separated and replaced through plugging of the socket, and the cost is reduced. And the disassembly, assembly, maintenance and repair convenience of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic flowmeter technical field, concretely is ultrasonic flowmeter. BACKGROUND

[0002] Ultrasonic flowmeter is a kind of flowmeter based on the principle that the propagation speed of ultrasonic wave in flowing medium is equal to the vector sum of the average flow velocity of measured medium and the speed of sound wave in stationary medium, mainly composed of transducer and converter, the fluid velocity is calculated by measuring the time difference caused by the different propagation speeds when propagating forward and backward, ultrasonic flowmeter has the advantages of non-contact measurement, no additional pressure loss, wide application range, its working principle is various, and classification mode is rich, and many factors need to be considered comprehensively when selecting type.In industrial production, environmental protection monitoring, energy management and other fields, it has wide application.

[0003] Ultrasonic flowmeter is mainly composed of installation pipe body and flow detection structure, for the flow detection structure, the existing ultrasonic flowmeter adopts integrated shell seat type installation mode, the circuit and display components of detection structure are installed in the inside of protective shell seat by bolt structure, the outside of working structure is protected by shell seat and wiring arrangement installation is complex, not only poor safety protection, but also very inconvenient to maintain and disassemble, therefore, a new ultrasonic flowmeter is proposed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing ultrasonic flowmeter to solve the problems in the above background.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: ultrasonic flowmeter, including installation pipe body and detection mechanism, the upper portion of installation pipe body is provided with centering mounting seat, the detection mechanism is installed in the inside of centering mounting seat;

[0006] The detection mechanism includes insulating bin, ultrasonic transducer, digital display circuit board and lithium battery, the ultrasonic transducer is fixedly installed to the inside of the opening in the lower portion of centering mounting seat, the digital display circuit board and lithium battery are integrally installed in the inside of insulating bin, the lower portion of insulating bin is provided with communication plug, the communication plug is inserted and installed in alignment with the pin column interface arranged in the centering mounting seat, the upper portion of installation pipe body is provided with photovoltaic board.

[0007] As preferred, the both sides of the installation pipe body are fixedly provided with butt flanges, the installation pipe body is installed in communication with water delivery pipeline through butt flange, the upper middle portion of installation pipe body is fixedly provided with parameter nameplate.

[0008] As preferred, the centering mounting seat is box seat, the centering mounting seat is fixedly installed on the end side upper portion of installation pipe body, the side of centering mounting seat is provided with waterproof joint for wiring insertion installation.

[0009] As preferred, the ultrasonic transducers are arranged in pairs, and are fixedly installed on the inner side of the installation through hole of the lower part of the centering installation base through a fastening seal, and the two groups of ultrasonic transducers are respectively installed in an inclined symmetrical manner.

[0010] As preferred, the digital display circuit board and the lithium battery are fixedly installed in the interior of the insulating bin, the upper part of the insulating bin is provided with a transparent cover plate, the transparent cover plate is fastened and installed on the upper opening side of the insulating bin through bolts, and a sealing ring gasket is arranged on the installation side of the insulating bin and the transparent cover plate.

[0011] As preferred, the lower part of the centering installation base is provided with a fitting groove, the lower part of the insulating bin is fitted and installed on the inner side of the fitting groove, the communication plug is fixedly installed on the bottom middle part of the insulating bin, and the needle column interface is arranged in the interior of the fitting groove, and the communication plug and the needle column interface are fitted and installed in a plug-in manner after installation.

[0012] As preferred, the upper part of the centering installation base is provided with a protective cover plate, the protective cover plate is fastened and installed on the upper opening side of the centering installation base through bolts, the lower part of the protective cover plate is in abutting connection with the upper frame seat side of the insulating bin after installation, and the middle part of the protective cover plate is provided with a digital display window.

[0013] Compared with the prior art, the above technical scheme has the following technical effects:

[0014] The flow meter adopts a modular integrated structure for a detection structure, integrates and packages main electric control components of the detection structure by using an insulating bin, and is provided with a lithium battery, which can provide stable emergency working power for the device in a power-off state. The lower communication plug is in plug-in communication installation with the needle column interface in the centering installation base, realizes working communication connection with the ultrasonic transducer, and the circuit structure is integrated and installed in the interior of the insulating bin to form a double shell seat protection structure in cooperation with the shielding protection of the pipe body, greatly improves the safety protection and working stability of the device, realizes communication connection through the plug-in structure, does not need complicated work wiring and joint welding, can effectively reduce the risk of circuit water entry and short circuit, and can independently disassemble, separate and replace the insulating bin through plug-in and plug-out, greatly improves the convenience of disassembly, maintenance and repair of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0016] Figure 1 It is the whole installation three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is the insulation bin working installation structure schematic view of the utility model;

[0018] Figure 3 It is the insulation bin upper side split installation structure schematic view of the utility model;

[0019] Figure 4 It is the insulation bin lower side split installation structure schematic view of the utility model;

[0020] Figure 5 It is the installation pipe body middle part cross section structure schematic view of the utility model.

[0021] Mark explanation: 1, installation pipe body;2, centering mounting seat;3, insulation bin;4, ultrasonic transducer;5, digital display circuit board;6, lithium battery;7, transparent cover plate;8, communication plug;9, needle column interface;10, protective cover plate;11, digital display transparent window;12, photovoltaic panel;13, parameter nameplate;14, butt flange. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] It should be known that the structure, proportion, size, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the application that can be implemented, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the application, should still fall within the scope of the technical content disclosed by the application. Embodiment

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: ultrasonic flowmeter, including installation pipe body 1 and detection mechanism, such as the drawings Figure 1As shown, the installation pipe body 1 is a straight pipe, and for the convenience of butt joint installation with the water pipeline, butt flanges 14 are fixedly arranged on both sides of the installation pipe body 1, and the installation pipe body 1 is installed in communication with the water pipeline through the butt flanges 14. In order to facilitate the viewing of the equipment parameter signal, a parameter nameplate 13 is fixedly installed on the upper middle part of the installation pipe body 1.

[0025] In order to facilitate the installation of the detection mechanism, as shown in the accompanying drawings, Figure 2 As shown, a centering mounting seat 2 is arranged on the upper part of the installation pipe body 1, and a water flow direction mark is arranged on the side surface of the centering mounting seat 2 for the convenience of installation direction reference. The detection mechanism is installed in the inside of the centering mounting seat 2, and the detection mechanism includes an insulation bin 3, ultrasonic transducers 4, a digital display circuit board 5, and a lithium battery 6. As shown in the accompanying drawings, Figure 5 The centering mounting seat 2 is in the form of a box seat, and the centering mounting seat 2 is fixedly installed on the end side upper part of the installation pipe body 1. The ultrasonic transducers 4 are arranged in pairs, and the ultrasonic transducers 4 are fixedly installed on the inside of the installation through hole arranged on the lower part of the centering mounting seat 2 through a fastening sealing piece, and are isolated from the inner cavity of the centering mounting seat 2 through the fastening sealing piece. The two groups of ultrasonic transducers 4 are respectively installed in the form of inclined symmetry, and the fluid velocity to be measured is calculated by measuring the time difference caused by the different propagation speeds during the forward and reverse propagation.

[0026] The insulation bin 3 is arranged in the form of a box bin, and the digital display circuit board 5 and the lithium battery 6 are integrally installed in the inside of the insulation bin 3. As shown in the accompanying drawings, Figure 3 The digital display circuit board 5 and the lithium battery 6 are fixedly installed in the inside of the insulation bin 3. The digital display circuit board 5 is a signal conversion and control structure of the equipment, and a liquid crystal digital display screen is arranged on the upper part of the digital display circuit board 5. The lithium battery 6 is installed below the digital display circuit board 5, and the electrode end thereof is connected and installed with the driving pin side on the upper part of the digital display circuit board 5 through wiring for the emergency power supply driving of the equipment. The main electric control components of the detection structure are integrally packaged by using the insulation bin 3. The lithium battery 6 is built-in in the insulation bin 3, and can provide stable emergency working power supply for the device in the power-off state.

[0027] In order to close and install the insulation bin 3, as shown in the accompanying drawings, Figure 4 A transparent cover plate 7 is arranged on the upper part of the insulation bin 3, and the transparent cover plate 7 is fastened and installed on the upper opening side of the insulation bin 3 through bolts. In order to improve the installation sealing performance of the insulation bin 3, a sealing ring gasket is arranged on the installation side of the transparent cover plate 7 and the insulation bin 3. The internal space of the insulation bin 3 is reasonably designed, and the overall dustproof and waterproof level is IP68. The lightning strike can be effectively prevented, and the 20000V AC / DC voltage test can be passed. In order to realize the working communication, a communication plug 8 is arranged on the lower part of the insulation bin 3, as shown in the accompanying drawings, Figure 5As shown, the lower part of the centering mounting seat 2 is provided with a fitting groove, the lower part of the insulating bin 3 is fitted and mounted on the inner side of the fitting groove, the communication plug 8 is fixedly mounted on the middle part of the bottom side of the insulating bin 3, the pin column interface 9 is arranged in the inner part of the fitting groove, and the communication plug 8 and the pin column interface 9 are fitted and plugged after installation, thereby realizing the working power supply and communication connection with the ultrasonic transducer 4, realizing communication through the socket structure, without complicated wiring and joint welding, which can effectively reduce the risk of water short circuit of the circuit, and the insulating bin 3 can be independently disassembled, separated and replaced through the socket plug, thereby greatly improving the convenience of disassembly, maintenance and repair of the device.

[0028] The centering mounting seat 2 is an outer protective structure, as shown in the accompanying drawings Figure 2 As shown, in order to close and install the centering mounting seat 2, the upper part of the centering mounting seat 2 is provided with a protective cover plate 10, the protective cover plate 10 is tightly installed on the upper opening side of the centering mounting seat 2 through bolts, and the circuit structure is integrally installed in the inner part of the insulating bin 3 to form a double shell seat protective structure with the shielding protection of the pipe body 1, thereby greatly improving the safety protection and working stability of the device. After installation, the lower part of the protective cover plate 10 is in abutting connection with the upper frame seat side of the insulating bin 3, and the installation of the insulating bin 3 is locked and limited through the upper abutting pressure. In order to facilitate the reading of flow rate parameters, a transparent digital display window 11 is arranged in the middle part of the protective cover plate 10. In order to facilitate wiring installation, a waterproof joint for wiring insertion installation is arranged on the side of the centering mounting seat 2. The waterproof joint can be used for waterproof insertion installation of external power supply and communication wiring. In order to meet the outdoor work requirements, a photovoltaic panel 12 is installed on the upper part of the pipe body 1. The photovoltaic panel 12 is a flexible photovoltaic power generation device with a curved surface. The photovoltaic panel 12 can be connected and installed with the pipe body 1 through magnetic attraction or bolt fastening. In the outdoor working environment, the photovoltaic panel 12 can provide emergency power supply for the equipment.

[0029] The working principle or structural principle is as follows. When in use, the pipe body 1 is connected and installed with the water conveying pipe through the butt flange 14 structure. During installation, the centering mounting seat 2 is kept in the upper middle position. Then the power wiring is connected and installed. After that, the device is tested for operation. After the installation of the equipment is completed, the equipment is powered by external wiring. The lithium battery 6 is charged by the photovoltaic panel 12. The ultrasonic transducer 4 provided in the pipe body 1 is powered by external power supply. The time difference caused by the different propagation speeds of the forward and reverse propagation is used to calculate the measured fluid velocity. Then the digital information is displayed through the digital display circuit board 5. The measurement data is transmitted to the control center through the signal wiring. When external power supply fails, the device is powered by the lithium battery 6. The built-in battery provides stable emergency power supply for the device to drive;

[0030] When the equipment maintenance and repair is carried out, only the protective cover plate 10 on the upper part of the centering mounting seat 2 is disassembled and opened, then the insulation bin 3 can be disassembled and taken out as a whole by pulling up, the insulation bin 3 is replaced as a whole or the digital circuit board 5 inside the insulation bin 3 is repaired and replaced according to the fault condition, after the repair is completed, only the insulation bin 3 is inserted into the inner side of the needle column interface 9, then the installation of the insulation bin 3 is locked and limited by the fastening and downward pressing of the protective cover plate 10, and the equipment maintenance and repair work is completed.

[0031] In summary, the flow meter adopts a modular integrated structure for the detection structure, the main electric control components of the detection structure are integrated and packaged by the insulation bin 3, the lithium battery 6 is built-in the insulation bin 3, in the power-off state, the device can provide stable emergency power supply, and the lower communication plug 8 is inserted and connected with the needle column interface 9 in the centering mounting seat 2, the working communication connection with the ultrasonic transducer 4 is realized, the circuit structure is integrated and installed in the inside of the insulation bin 3, cooperates with the shielding protection of the installation pipe body 1 to form a double shell seat protection structure, greatly improves the safety protection and working stability of the device, and realizes the communication connection through the plug structure, without complicated wiring and joint welding, the risk of water entering and short circuit of the circuit can be effectively reduced, and the insulation bin 3 can be independently disassembled, separated and replaced through plug-in and plug-out, greatly improving the disassembly, maintenance and repair convenience of the device.

[0032] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combinations or combinations are not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. An ultrasonic flow meter comprising a mounting pipe (1) and a detection mechanism, characterized in that: The upper part of the installation pipe body (1) is provided with a centering mounting seat (2), and the detection mechanism is mounted in the centering mounting seat (2); The detection mechanism comprises an insulating bin (3), an ultrasonic transducer (4), a digital display circuit board (5) and a lithium battery (6), the ultrasonic transducer (4) is fixedly installed on the inner side of the opening in the lower part of the centering mounting seat (2), the digital display circuit board (5) and the lithium battery (6) are integrally installed in the insulating bin (3), the lower part of the insulating bin (3) is provided with a communication plug (8), the communication plug (8) is in position and plug-in installed with a pin column interface (9) provided in the centering mounting seat (2), and the upper part of the installation pipe body (1) is provided with a photovoltaic panel (12).

2. The ultrasonic flow meter of claim 1, wherein: Both sides of the installation pipe body (1) are fixedly provided with butt flanges (14), the installation pipe body (1) is communicated and installed with a water conveying pipeline through the butt flanges (14), and the upper middle part of the installation pipe body (1) is fixedly provided with a parameter nameplate (13).

3. The ultrasonic flow meter of claim 2, wherein: The centering mounting seat (2) is in the shape of a box seat, the centering mounting seat (2) is fixedly installed on the end side upper part of the installation pipe body (1), and the side of the centering mounting seat (2) is provided with a waterproof joint for wiring insertion and installation.

4. The ultrasonic flow meter of claim 3, wherein: The ultrasonic transducers (4) are arranged in pairs, the ultrasonic transducers (4) are fixedly installed on the inner side of the installation through hole in the lower part of the centering mounting seat (2) through a fastening sealing piece, and the two groups of ultrasonic transducers (4) are respectively installed in an inclined and symmetrical manner.

5. The ultrasonic flow meter of claim 4, wherein: The digital display circuit board (5) and the lithium battery (6) are fixedly installed in the insulating bin (3), the upper part of the insulating bin (3) is provided with a transparent cover plate (7), the transparent cover plate (7) is fastened and installed on the upper opening side of the insulating bin (3) through bolts, and the installation side of the transparent cover plate (7) and the insulating bin (3) is provided with a sealing ring pad.

6. The ultrasonic flow meter of claim 5, wherein: The lower part of the centering mounting seat (2) is provided with a matching groove, the lower part of the insulating bin (3) is matched and installed on the inner side of the matching groove, the communication plug (8) is fixedly installed on the middle part of the bottom side of the insulating bin (3), and the pin column interface (9) is arranged in the inside of the matching groove, and after installation, the communication plug (8) is matched and plug-in installed with the pin column interface (9).

7. The ultrasonic flow meter of claim 6, wherein: The upper part of the centering mounting seat (2) is provided with a protective cover plate (10), the protective cover plate (10) is fastened and installed on the upper opening side of the centering mounting seat (2) through bolts, after installation, the lower part of the protective cover plate (10) is in abutting connection with the upper frame seat side of the insulating bin (3), and the middle part of the protective cover plate (10) is provided with a digital display window (11).

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