An electromagnetic flow detection device integrated with pipeline leakage noise monitoring function

Abstract

The utility model relates to electromagnetic flow detection technical field especially is a kind of integrated pipeline leakage noise monitoring function's electromagnetic flow detection device, including electromagnetic flowmeter sensor mechanism, electromagnetic flowmeter sensor mechanism upper end is provided with electromagnetic flowmeter converter mechanism, electromagnetic flowmeter sensor mechanism is provided with monitoring mechanism and is used to gather the fluid noise signal generated when pipeline leaks, monitoring mechanism includes: hydrophone assembly, including the probe component of being set on electromagnetic flowmeter sensor mechanism and being used to contact fluid and convert fluid noise vibration signal into electric signal, electromagnetic flowmeter converter mechanism is provided with acquisition component and is used to receive and handle the electric signal transmitted by probe component, then carry out data storage and wireless transmission;Realized the integration of pipeline flow metering and leakage noise monitoring, with high sensitivity leak identification ability, support safe maintenance without production, improve the intelligent level and operation and maintenance efficiency of pipeline monitoring.

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic flow detection technology, specifically to an electromagnetic flow detection device that integrates pipeline leakage noise monitoring function. Background Technology

[0002] In modern industrial fluid transportation and urban water and heating systems, pipeline networks serve as critical infrastructure, and their stable and reliable operation is of paramount importance. To achieve accurate metering and real-time status monitoring of the pipeline transportation process, electromagnetic flowmeters are widely used due to their advantages such as high measurement accuracy and low pressure loss. According to CN210893292U, a safety detection device for an electromagnetic flowmeter is disclosed. This technology discloses a technical solution including "a flow tube, with connecting collars fixedly connected to both ends of the flow tube, a fixing ring fixedly connected to the middle position of the flow tube, a first connecting post fixedly connected to the upper end of the fixing ring, a display sleeve fixedly connected to the upper end of the first connecting post, a second connecting post fixedly connected to the upper end of the display sleeve, a detection disc fixedly connected to the upper end of the second connecting post, a pointer fixedly connected to the front end of the detection disc, a controller fixedly connected to the middle position inside the second connecting post, and a connecting wire fixedly connected to the upper end of the controller". It has the technical effect of "better controlling the flow rate in the detection tube by means of the detection disc and controller, thereby preventing the phenomenon of the delivery tube breaking due to excessive flow". In existing technologies, when integrating a hydrophone probe into an electromagnetic flowmeter for pipeline leak monitoring, the installation, maintenance, or replacement of the probe usually requires interrupting the pipeline flow or stopping the system operation. This is because during the process of removing the probe, the pressurized fluid in the pipeline loses its sealing barrier and will continue to leak from the installation interface. This not only makes maintenance operations unsafe but also seriously affects the continuous normal operation of the pipeline system. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides an electromagnetic flow detection device that integrates pipeline leakage and noise monitoring functions. It achieves integrated pipeline flow measurement and leakage noise monitoring, possesses high-sensitivity leakage identification capabilities, supports uninterrupted safe maintenance, and improves the intelligence level and operation and maintenance efficiency of pipeline monitoring.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an electromagnetic flow detection device integrating pipeline leakage noise monitoring function, comprising an electromagnetic flowmeter sensor mechanism, an electromagnetic flowmeter converter mechanism at the upper end of the electromagnetic flowmeter sensor mechanism, and a monitoring mechanism on the electromagnetic flowmeter sensor mechanism for collecting fluid noise signals generated during pipeline leakage. The monitoring mechanism includes: The hydrophone assembly includes a probe component mounted on the electromagnetic flowmeter sensor mechanism for contacting the fluid and converting the fluid noise and vibration signals into electrical signals. The electromagnetic flowmeter converter mechanism is equipped with a data acquisition component for receiving and processing the electrical signals transmitted from the probe component, and then storing and wirelessly transmitting the data. The mounting assembly includes measuring tubes fixed to both ends of the electromagnetic flowmeter sensor mechanism. A threaded seat is fixedly connected to the upper end of the measuring tube, and an extension tube is fixedly connected to the lower end of the measuring tube. A sealing head is longitudinally slidably installed inside the extension tube, and a spring is installed between the lower end of the extension tube and the upper end of the sealing head.

[0005] Preferably, the mounting assembly further includes a plurality of oblong holes arranged circumferentially on the sealing head.

[0006] Preferably, the mounting assembly further includes an inner sealing ring fixed inside the upper end of the threaded seat, and an outer sealing ring is installed on the top of the threaded seat.

[0007] Preferably, the probe component includes a low-noise amplification module threaded inside a threaded seat, and a piezoelectric ceramic sensor is mounted at the lower end of the low-noise amplification module.

[0008] Preferably, the acquisition component includes a housing fixed inside the upper part of the electromagnetic flowmeter converter mechanism, with a Bluetooth antenna and a 4G antenna / NB antenna respectively installed on both sides of the upper end of the housing, and an acquisition and remote transmission circuit and a lithium battery installed inside the housing.

[0009] Preferably, a soft rubber sleeve is fixed to the upper surface of the sealing head, and the cross-section of the soft rubber sleeve is dome-shaped.

[0010] Beneficial effects This invention provides an electromagnetic flow detection device that integrates pipeline leakage noise monitoring. Compared with the prior art, it has the following advantages: 1. During the disassembly of the probe components, the spring pushes the sealing head to pre-seal the threaded seat channel, forming a main sealing barrier with the inner sealing ring, completely blocking fluid leakage and enabling maintenance without production interruption; the waist-shaped hole is completely inside the main channel of the measuring pipe in the sealed state, effectively reducing the flow resistance and eddy currents caused by the sealing head, ensuring that the electromagnetic flowmeter sensor mechanism still has excellent hydraulic performance during maintenance.

[0011] 2. By integrating the piezoelectric ceramic sensor and low-noise amplification module into the probe component, the leakage noise signal is converted and amplified locally, effectively suppressing electromagnetic interference introduced by long-distance transmission and improving the signal-to-noise ratio and monitoring sensitivity. The acquisition component adopts a heterogeneous communication architecture, relying on a 4G / NB antenna to achieve remote data transmission, while supporting on-site equipment debugging and parameter configuration through a Bluetooth antenna, forming a leakage monitoring system that integrates real-time perception, intelligent analysis and multi-mode communication, providing highly reliable data support for the safety status assessment and fault early warning of fluid transportation systems. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the monitoring mechanism in use according to this utility model; Figure 3 This is a schematic diagram of the disassembled monitoring mechanism in this utility model; Figure 4 This is a schematic diagram of the hydrophone assembly in this utility model.

[0013] In the diagram: 1. Electromagnetic flowmeter sensor mechanism; 2. Electromagnetic flowmeter converter mechanism; 3. Monitoring mechanism; 31. Hydrophone assembly; 311. Probe component; 3111. Low noise amplifier module; 3112. Piezoelectric ceramic sensor; 312. Data acquisition component; 3121. Housing; 3122. Bluetooth antenna; 3123. 4G antenna / NB antenna; 3124. Data acquisition and remote transmission circuit; 3125. Lithium battery; 32. Mounting assembly; 321. Measuring tube; 322. Threaded seat; 323. Extension tube; 324. Sealing head; 325. Spring; 326. Waist-shaped hole; 327. Inner sealing ring; 328. Outer sealing ring. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1 - Figure 4This utility model provides a technical solution: an electromagnetic flow detection device integrating pipeline leakage noise monitoring function, including an electromagnetic flowmeter sensor mechanism 1, an electromagnetic flowmeter converter mechanism 2 disposed at the upper end of the electromagnetic flowmeter sensor mechanism 1, and a monitoring mechanism 3 disposed on the electromagnetic flowmeter sensor mechanism 1 for collecting fluid noise signals generated when the pipeline leaks. The monitoring mechanism 3 includes: The hydrophone assembly 31 includes a probe component 311 disposed on the electromagnetic flowmeter sensor mechanism 1 and used to contact the fluid and convert the fluid noise vibration signal into an electrical signal. The electromagnetic flowmeter converter mechanism 2 is provided with a data acquisition component 312 and used to receive and process the electrical signal transmitted from the probe component 311, and then perform data storage and wireless transmission. The mounting assembly 32 includes a measuring tube 321 fixed at both ends of the electromagnetic flowmeter sensor mechanism 1. A threaded seat 322 is fixedly connected to the upper end of the measuring tube 321, and an extension tube 323 is fixedly connected to the lower end of the measuring tube 321. A sealing head 324 is longitudinally slidably installed inside the extension tube 323, and a spring 325 is installed between the lower end of the extension tube 323 and the upper end of the sealing head 324.

[0016] In this embodiment, when the probe component 311 is screwed into the threaded seat 322, its lower end face will press down on the sealing head 324, causing it to overcome the elastic force of the spring 325 and slide downward inside the extension tube 323, so that the piezoelectric ceramic sensor 3112 is located inside the measuring tube 321. When it is necessary to maintain or replace the probe component 311, it is loosened by rotating in the opposite direction and moved upward. The axial pressure on the sealing head 324 is gradually released. At this time, the elastic potential energy stored in the compressed spring 325 is released, pushing the sealing head 324 upward to slide inside the extension tube 323 until the upper part of the sealing head 324 has been reliably inserted into and blocked the internal channel of the threaded seat 322 before the probe component 311 is completely removed. This can effectively prevent pressurized fluid in the pipeline from splashing outward or leaking in large quantities, and realize the safe maintenance or replacement of the probe component 311 without interrupting the pipeline flow or stopping the system operation.

[0017] Specifically, the mounting component 32 also includes a number of oblong holes 326 arranged circumferentially on the sealing head 324.

[0018] In this embodiment, when the probe component 311 is disassembled, the spring 325 pushes the sealing head 324 upward, so that its upper part is embedded in the threaded seat 322 to achieve a seal. At this time, the entire hole structure of the waist-shaped hole 326 is also raised and completely within the main channel of the measuring tube 321. While the sealing head 324 blocks the channel of the threaded seat 322, the waist-shaped hole 326 provides an effective bypass path for the fluid flowing through the measuring tube 321, significantly reducing the flow resistance and eddy current effect generated by the sealing head 324 structure on the fluid. While ensuring that the sealing head 324 achieves a reliable isolation function, it effectively controls its adverse effects on the fluid flow state in the pipeline, so that the electromagnetic flowmeter sensor mechanism 1 can still maintain low flow resistance characteristics and stable hydraulic conditions during the disassembly and maintenance of the probe component 311, without affecting its normal performance and long-term operational reliability as the main body of flow measurement.

[0019] Specifically, the mounting assembly 32 also includes an inner sealing ring 327 fixed inside the upper end of the threaded seat 322, and an outer sealing ring 328 is installed on the top of the threaded seat 322.

[0020] In this embodiment, when maintenance is performed and the sealing head 324 is inserted upward into the threaded seat 322 under the action of the spring 325, its upper end fits tightly with the inner sealing ring 327 to achieve a seal; when the probe component 311 is installed and working normally, it is screwed in and pressed against the top of the threaded seat 322, and the outer sealing ring 328 is pressed to achieve a seal.

[0021] Specifically, the probe component 311 includes a low-noise amplification module 3111 threadedly mounted inside a threaded seat 322, and a piezoelectric ceramic sensor 3112 is mounted at the lower end of the low-noise amplification module 3111.

[0022] In this embodiment, the piezoelectric ceramic sensor 3112 directly contacts the fluid, converting the high-frequency vibration signal generated when the pipeline leaks into a weak charge signal; this signal is then amplified and impedance-converted locally by the low-noise amplification module 3111 that is closely connected to it.

[0023] Specifically, the acquisition component 312 includes a housing 3121 fixed inside the upper part of the electromagnetic flowmeter converter mechanism 2. A Bluetooth antenna 3122 and a 4G antenna / NB antenna 3123 are respectively installed on both sides of the upper part of the housing 3121. The acquisition and remote transmission circuit 3124 and a lithium battery 3125 are installed inside the housing 3121.

[0024] In this embodiment, the acquisition and remote transmission circuit 3124 integrated inside the housing 3121 is responsible for high-precision digital processing and feature extraction of the leakage noise electrical signal from the probe component 311, and executing the leakage judgment algorithm; the built-in lithium battery 3125 provides an independent and stable power supply for the entire monitoring circuit, ensuring that the system can continue to operate when the external power supply fails; the Bluetooth antenna 3122 and the 4G antenna / NB antenna 3123 arranged on both sides of the upper end of the housing 3121 respectively constitute a flexible heterogeneous communication network. The former supports wireless debugging, parameter configuration and data reading of field equipment, while the latter realizes remote wireless transmission of monitoring data and cloud interaction.

[0025] Specifically, a soft rubber sleeve is fixed to the upper surface of the sealing head 324, and the cross-section of the soft rubber sleeve is dome-shaped.

[0026] In this embodiment, when the probe component 311 is installed into the threaded seat 322 and pushed downward, the piezoelectric ceramic sensor 3112 at its bottom will first contact the dome of the soft rubber sleeve before reaching the working position. Since the soft rubber sleeve has elastic deformation capability, it can absorb the contact impact through its own compression deformation and evenly distribute the concentrated contact stress, thereby avoiding direct rigid collision and scratching between the hard sealing head 324 and the end face of the precision piezoelectric ceramic sensor 3112.

[0027] The working principle and usage process of this utility model are as follows: Under normal working conditions, the probe component 311 is securely installed inside the threaded seat 322 by threads, and its lower end presses the sealing head 324 downward into the extension tube 323, so that the spring 325 is in a compressed state. At this time, the piezoelectric ceramic sensor 3112 is fully inserted into the flow channel of the measuring tube 321 and directly contacts the fluid. The high-frequency vibration signal generated by the pipeline leakage is captured by the piezoelectric ceramic sensor 3112 and converted into a weak charge signal. This signal is immediately amplified and impedance converted locally by the integrated low-noise amplification module 3111, and then transmitted to the acquisition component 312 through the cable. Inside the electromagnetic flowmeter converter mechanism 2, the acquisition and remote transmission circuit 3124 performs digital processing, feature extraction and leakage analysis on the signal. The lithium battery 3125 provides an independent and stable power supply for the entire monitoring system. The processed data is remotely transmitted to the monitoring center through the 4G / NB antenna 3123, or read on-site for debugging through the Bluetooth antenna 3122. When the probe component 311 needs maintenance or replacement, the operator slowly unscrews the probe component 311. As the probe moves upward, the restoring force of the spring 325 pushes the sealing head 324 to slide upward. When the threaded seat 322 is embedded in its upper part, the waist-shaped hole 326 simultaneously enters the main pipeline to optimize the flow field. At the same time, the dome-shaped soft rubber sleeve of the sealing head 324 forms a tight seal with the inner sealing ring 327, effectively preventing the leakage of pressurized fluid in the pipeline and achieving safe maintenance without production interruption.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic flow detection device integrating pipeline leakage noise monitoring function, comprising an electromagnetic flowmeter sensor mechanism (1), wherein an electromagnetic flowmeter converter mechanism (2) is provided at the upper end of the electromagnetic flowmeter sensor mechanism (1), characterized in that: The electromagnetic flowmeter sensor mechanism (1) is equipped with a monitoring mechanism (3) for collecting fluid noise signals generated when the pipeline leaks. The monitoring mechanism (3) includes: The hydrophone assembly (31) includes a probe component (311) disposed on the electromagnetic flowmeter sensor mechanism (1) and used to contact the fluid and convert the fluid noise vibration signal into an electrical signal. The electromagnetic flowmeter converter mechanism (2) is provided with a data acquisition component (312) and used to receive and process the electrical signal transmitted from the probe component (311), and then perform data storage and wireless transmission. The mounting assembly (32) includes a measuring tube (321) fixed at both ends of the electromagnetic flowmeter sensor mechanism (1). A threaded seat (322) is fixedly connected to the upper end of the measuring tube (321), and an extension tube (323) is fixedly connected to the lower end of the measuring tube (321). A sealing head (324) is longitudinally slidably installed inside the extension tube (323), and a spring (325) is installed between the lower end inside the extension tube (323) and the upper end inside the sealing head (324).

2. The electromagnetic flow detection device integrating pipeline leakage noise monitoring function according to claim 1, characterized in that: The mounting assembly (32) also includes a plurality of oblong holes (326) arranged circumferentially on the sealing head (324).

3. The electromagnetic flow detection device integrating pipeline leakage noise monitoring function according to claim 1, characterized in that: The mounting assembly (32) also includes an inner sealing ring (327) fixed inside the upper end of the threaded seat (322), and an outer sealing ring (328) is installed on the top of the threaded seat (322).

4. The electromagnetic flow detection device integrating pipeline leakage noise monitoring function according to claim 1, characterized in that: The probe component (311) includes a low-noise amplification module (3111) threaded inside a threaded seat (322), and a piezoelectric ceramic sensor (3112) is mounted at the lower end of the low-noise amplification module (3111).

5. The electromagnetic flow detection device integrating pipeline leakage noise monitoring function according to claim 1, characterized in that: The acquisition component (312) includes a housing (3121) fixed inside the upper part of the electromagnetic flowmeter converter mechanism (2). Bluetooth antenna (3122) and 4G antenna / NB antenna (3123) are respectively installed on both sides of the upper part of the housing (3121). Acquisition and remote transmission circuit (3124) and lithium battery (3125) are installed inside the housing (3121).

6. The electromagnetic flow detection device integrating pipeline leakage noise monitoring function according to claim 1, characterized in that: A soft rubber sleeve is fixed to the upper surface of the sealing head (324), and the cross-section of the soft rubber sleeve is dome-shaped.

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