Plug-in sensor with extended acoustic wedge

Abstract

According to the technical scheme, a transition acoustic wedge (1) and a piezoelectric ceramic piece (2) are coupled at a high temperature, the transition acoustic wedge and the piezoelectric ceramic piece are tightly connected in a pressing mode through a pressing plate (3), a lead wire (4) is led out, a pressing connection piece is integrally embedded into a shell (5), and the transition acoustic wedge (1) and the extension acoustic wedge (6) are coupled through a high-temperature coupling agent. According to the two sensors manufactured in the mode, the extended acoustic wedge can be directly welded to a pipeline or connected with the pipeline in a prefabricated base connecting mode, and the liquid flow is measured. The beneficial effects of the utility model are that the acoustic wedge made of a special material is adopted, so that the high temperature resistance, high pressure resistance and corrosion resistance of the sensor are improved; the extended acoustic wedge is adopted, so that the heat dissipation capability is improved; and a direct transmitting and direct receiving mode is adopted, so that the signal intensity of ultrasonic waves is improved.

Description

Technical Field

[0001] This utility model discloses an insertion sensor for measuring fluid flow rate, particularly an insertion sensor with an extended acoustic wedge. Background Technology

[0002] Insertion sensors are widely used in industrial flow measurement, but existing insertion sensors have many problems under high temperature, high pressure, and highly corrosive industrial production conditions. In such environments, sensor materials are prone to deformation, aging, and damage, which affects measurement accuracy; gaps can also form at the interface, reducing signal strength. Summary of the Invention

[0003] The purpose of this invention is to provide an insertable sensor with an extended acoustic wedge. The extended acoustic wedge is composed of special materials and structures, which improves the temperature resistance and heat dissipation of the insertable sensor, and also improves the accuracy and signal strength in high-temperature environments.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: This utility model of an insertable sensor with an extended acoustic wedge comprises six parts: a transition acoustic wedge, a piezoelectric ceramic sheet, a pressure plate, a lead wire, a housing, and an extended acoustic wedge. The transition acoustic wedge is coupled to the piezoelectric ceramic sheet at high temperature. The pressure plate tightly presses the transition acoustic wedge and the piezoelectric ceramic sheet together, and the lead wire is led out. The entire pressing component is embedded into the housing. The transition acoustic wedge and the extended acoustic wedge are coupled with a high-temperature coupling agent.

[0005] The beneficial effects of this invention are that the use of a special material acoustic wedge improves the sensor's resistance to high temperature, high pressure, and corrosion; the use of an extended acoustic wedge improves heat dissipation; and the use of a direct transmission and reception method improves the signal strength of the ultrasonic waves. Attached Figure Description

[0006] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0007] Figure 1 This is a schematic diagram of the structure of this utility model.

[0008] In the figure: transition acoustic wedge (1), piezoelectric ceramic sheet (2), pressure plate (3), lead wire (4), housing (5) and extension acoustic wedge (6). Detailed Implementation

[0009] In one embodiment, an insertable sensor with an extended acoustic wedge includes a transition acoustic wedge (1), a piezoelectric ceramic sheet (2), a pressure plate (3), a lead wire (4), a housing (5), and an extended acoustic wedge (6). The transition acoustic wedge (1) is coupled to the piezoelectric ceramic sheet (2) at high temperature. The pressure plate (3) tightly presses the transition acoustic wedge to the piezoelectric ceramic sheet, and the lead wire (4) is led out. The entire pressing component is embedded into the housing (5). The transition acoustic wedge (1) and the extended acoustic wedge (6) are coupled with a high-temperature coupling agent. Two sensors made in this way can have the extended acoustic wedge directly welded to the pipe or connected to the pipe through a prefabricated base for measuring liquid flow.

Claims

1. An insertable sensor with an extended acoustic wedge, characterized in that It includes a transition acoustic wedge, a piezoelectric ceramic sheet, a pressure plate, a lead wire, a housing, and an extension acoustic wedge. The transition acoustic wedge is coupled to the piezoelectric ceramic sheet at high temperature. The pressure plate tightly presses the transition acoustic wedge to the piezoelectric ceramic sheet, and the lead wire is led out. The entire pressing component is embedded into the housing. The transition acoustic wedge and the extension acoustic wedge are coupled with a high-temperature coupling agent.

2. The insertable sensor with extended acoustic wedge of claim 1, wherein The extended acoustic wedge is made of high-temperature and corrosion-resistant metal, while the transition acoustic wedge is made of high-temperature resistant non-metallic material, which improves the sensor's high-temperature resistance, high-pressure resistance, and corrosion resistance.

3. The insertable sensor with extended acoustic wedge of claim 1, wherein By lengthening the acoustic wedge extension, the sensor's resistance to high temperatures and high pressures, as well as its heat dissipation capabilities, are improved.

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