CN216082612U - Active open type ultrasonic probe - Google Patents

Abstract

The utility model discloses an active open type ultrasonic probe which comprises a shell, wherein a base is installed on the inner bottom wall of the shell, a probe main body is installed on the top of the base, a PCB and an electronic component installation layer are installed on the inner side of the probe main body, the top of the shell is connected with a cover plate through threads, an embedded plate is installed on the top of the cover plate, a protective shell is installed on the outer wall of the embedded plate in an embedded mode, and a limiting groove is formed in the outer wall of the protective shell. According to the utility model, the protective shell is embedded and installed on the outer wall of the embedded plate, so that a worker can conveniently take the protective shell off from the top of the cover plate, the worker can conveniently overhaul the conical vibrator, an installation position can be provided for the shielding grid through the installation groove, sundries can be prevented from entering the protective shell through the shielding grid, the conical vibrator inside the protective shell is protected, the protective effect of the protective shell can be improved through the protective sleeve, and the protective shell can better protect the conical vibrator.

Description

Active open type ultrasonic probe

Technical Field

The utility model relates to the technical field of ultrasonic probes, in particular to an active open type ultrasonic probe.

Background

Ultrasonic probe, also called ultrasonic transducer, is a device for mutual conversion of electric energy and acoustic energy, and is also a key component for ultrasonic detection

The defects of the ultrasonic probe in the prior art are as follows:

1. the comparison document CN209400484U discloses a special ultrasonic probe for a liquid medium type ultrasonic liquid level measuring instrument, which comprises a probe shell 1, piezoelectric ceramics 2, a matching layer 3 and a lead 5; the lead 5 is welded on the piezoelectric ceramic 2 through soldering tin; the piezoelectric ceramic 2 is adhered on the matching layer 3 through high-viscosity glue; fixedly bonding the matching layer 3 on the end surface of the shell 1 of the ultrasonic probe through high bonding; the inside backing 4 that sets up of probe shell, backing 4 down the terminal surface horizontal angle be 45 degrees, matching layer 3 material be epoxy, piezoceramics 2 arrange the inside of backing 4 in, lead wire 5 pass backing 4 and probe shell 1, the hole that lead wire 5 lower extreme passes through probe shell 1 is worn out the shell outside. The ultrasonic probe can be well transmitted in liquid, has high signal intensity, can penetrate through the wall of the tank and has a measuring effect, but when the ultrasonic probe is used, workers are inconvenient to disassemble and overhaul the ultrasonic probe, and the ultrasonic probe cannot be well protected;

2. in order to reduce the volume of the ultrasonic probe in the prior art, an ultrasonic ranging circuit and other circuits are generally integrated on one PCB to reduce the volume, so that the cost of the ultrasonic probe is increased, the performance of the ultrasonic probe is reduced due to the fact that the ultrasonic circuit is easily interfered by other circuits, and the complexity of debugging is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an active open type ultrasonic probe, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme that the active open type ultrasonic probe comprises a shell, wherein a base is installed on the inner bottom wall of the shell, a probe main body is installed at the top of the base, and a PCB and an electronic component installation layer are installed on the inner side of the probe main body;

the top of the shell is connected with a cover plate through threads, and the top of the cover plate is provided with an embedded plate;

the outer wall of the embedded plate is embedded with a protective shell, and the outer wall of the protective shell is provided with a limiting groove.

Preferably, a plurality of sealing sleeves are mounted on the bottom wall of the housing.

Preferably, the circuit board is installed to the inboard of probe main part, and the circuit board is located the below on PCB and electronic components installation layer, and the bottom of circuit board is connected with the pin, and the bottom of pin runs through the bottom at the shell.

Preferably, the inside of probe main part is installed the piezoceramics piece, and the piezoceramics piece is located the top on PCB and electronic components mounting layer, and PCB and electronic components are installed to the inboard on PCB and electronic components mounting layer.

Preferably, the top of the cover plate is provided with a conical vibrator, and the conical vibrator is positioned on the inner side of the embedded plate.

Preferably, the top of the protective shell is provided with a mounting groove, and the inner side of the mounting groove is fixed with a shielding grid through a bolt.

Preferably, a protective sleeve is embedded and mounted on the inner side of the limiting groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the protective shell is embedded and installed on the outer wall of the embedded plate, so that a worker can conveniently take the protective shell off from the top of the cover plate, the worker can conveniently overhaul the conical vibrator, an installation position can be provided for the shielding grid through the installation groove, the stability of the shielding grid is ensured, the shielding grid can be placed in the protective shell to prevent sundries from entering the protective shell, the conical vibrator in the protective shell is protected, the installation position can be provided for the protective sleeve through the limiting groove, the stability of the protective sleeve is ensured, the protective effect of the protective shell can be improved through the protective sleeve, and the protective shell can better protect the conical vibrator.

2. The utility model can provide installation positions for the PCB and the electronic component installation layer, the circuit board and the piezoelectric ceramic piece through the probe main body, and the PCB and the electronic component installation layer, the circuit board and the piezoelectric ceramic piece are arranged at the inner side of the probe main body, thereby greatly reducing the volume of the ultrasonic probe and reducing the product cost.

Drawings

FIG. 1 is a schematic view of the overall split structure of the present invention;

FIG. 2 is a schematic diagram of a disassembled structure of the housing of the present invention;

FIG. 3 is a schematic view of the bottom wall structure of the housing of the present invention;

FIG. 4 is a cross-sectional structural schematic view of the housing of the present invention;

FIG. 5 is a schematic view of the protective shell structure of the present invention.

In the figure: 1. a housing; 101. sealing sleeves; 2. a base; 201. a probe body; 3. PCB and electronic components installation layer; 301. a circuit board; 302. piezoelectric ceramic plates; 303. a pin; 4. a cover plate; 401. a tabling plate; 402. a conical vibrator; 5. a protective shell; 501. mounting grooves; 502. a shielding grid; 6. a limiting groove; 601. a protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an active open type ultrasonic probe,

the first embodiment is as follows: the bottom wall of the shell 1 is provided with a plurality of sealing sleeves 101, the connecting parts of the pins 303 and the bottom can be sealed through the sealing sleeves 101, the base 2 is arranged on the inner bottom wall of the shell 1, the probe main body 201 is arranged at the top of the base 2, the circuit board 301 can be isolated from the shell 1 through the base 2, the normal use of the circuit board 301 can be ensured, the mounting positions can be provided for the PCB and electronic component mounting layer 3, the circuit board 301 and the piezoelectric ceramic piece 302 through the probe main body 201, the PCB and electronic component mounting layer 3, the circuit board 301 and the piezoelectric ceramic piece 302 are arranged on the inner side of the probe main body 201, the size of the ultrasonic probe is greatly reduced, the product cost can be reduced, and the ultrasonic probe can be prevented from being easily interfered by other circuits and causing the performance reduction of the ultrasonic probe by the separated installation of the PCB and electronic component mounting layer 3, the circuit board 301 and the piezoelectric ceramic piece 302, and the complexity of debugging is reduced, the PCB and electronic component installation layer 3 is installed on the inner side of the probe main body 201, the circuit board 301 is positioned below the PCB and electronic component installation layer 3, the piezoelectric ceramic sheet 302 is installed on the inner side of the probe main body 201, the piezoelectric ceramic sheet 302 is positioned above the PCB and electronic component installation layer 3, the PCB and electronic components are installed on the inner side of the PCB and electronic component installation layer 3, the bottom of the circuit board 301 is connected with the pin 303, the bottom end of the pin 303 penetrates through the bottom of the shell 1, the conversion of electric signals and ultrasonic signals can be realized through the piezoelectric ceramic sheet 302, installation positions can be provided for the PCB and electronic components through the PCB and electronic component installation layer 3, ultrasonic signals are generated through the PCB and the electronic components, and echo signals are processed, the measurement result is obtained by the pin 303 having a power supply pin and an input/output communication pin, so that the measurement result can be directly output through the pin 303.

Referring to fig. 1, 2 and 5, an active open type ultrasonic probe,

the first embodiment is as follows: the top of the shell 1 is connected with a cover plate 4 through threads, the top of the cover plate 4 is provided with an embedded plate 401, the top of the cover plate 4 is provided with a conical vibrator 402, the conical vibrator 402 is positioned at the inner side of the embedded plate 401, the outer wall of the embedded plate 401 is embedded with a protective shell 5, the top of the protective shell 5 is provided with a mounting groove 501, the inner side of the mounting groove 501 is fixed with a shielding grid 502 through bolts, ultrasonic signals can be transmitted forwards through the conical vibrator 402, the transmitting and receiving efficiency of the ultrasonic signals is improved, the protective shell 5 is embedded and installed through the outer wall of the embedded plate 401, a worker can conveniently take the protective shell 5 down from the top of the cover plate 4, so that the worker can conveniently overhaul the conical vibrator 402, the mounting groove 501 can provide a mounting position for the shielding grid 502, the stability of the shielding grid 502 is ensured, and the shielding grid 502 can be placed in the protective shell 5 to prevent sundries from entering the protective shell 5, thereby protect the inside toper oscillator 402 of protecting crust 5, spacing groove 6 has been seted up to the outer wall of protecting crust 5, lag 601 is installed to the inboard gomphosis of spacing groove 6, can provide the mounted position for lag 601 through spacing groove 6, guarantees lag 601's stability, can improve the guard effect of protecting crust 5 through lag 601, makes protecting crust 5 can be better protect toper oscillator 402.

The working principle, can isolate the circuit board 301 from the shell 1 through the base 2, guarantee the normal use of the circuit board 301, can provide the installation position for the PCB and electronic component installation layer 3, the circuit board 301 and the piezoelectric ceramic piece 302 through the probe main body 201, can greatly reduce the volume of the ultrasonic probe and can reduce the product cost by installing the PCB and electronic component installation layer 3, the circuit board 301 and the piezoelectric ceramic piece 302 on the inner side of the probe main body 201, can prevent the ultrasonic circuit from being easily interfered by other circuits by the PCB and electronic component installation layer 3, the circuit board 301 and the piezoelectric ceramic piece 302, can reduce the performance reduction of the ultrasonic probe and the debugging complexity, can realize the conversion of electric signals and ultrasonic signals through the piezoelectric ceramic piece 302, can provide the installation position for the PCB and electronic components through the PCB and electronic component installation layer 3, the ultrasonic wave signal is generated through the PCB and the electronic component, the echo signal is processed to obtain a measurement result, the pin 303 comprises a power supply pin and an input and output communication pin, so that the measurement result can be directly output through the pin 303, the ultrasonic wave signal can be transmitted forwards through the conical vibrator 402, the transmission and receiving efficiency of the ultrasonic wave signal is improved, the protective shell 5 is installed through the outer wall embedding of the embedding plate 401, the protective shell 5 can be conveniently taken down from the top of the cover plate 4 by a worker, the worker can conveniently overhaul the conical vibrator 402, the mounting groove 501 can provide a mounting position for the shielding grid 502 to ensure the stability of the shielding grid 502, the shielding grid 502 can be placed in the protective shell 5 to prevent sundries from entering the protective shell 5, so that the conical vibrator 402 in the protective shell 5 is protected, the mounting position can be provided for the protective sleeve 601 through the limiting groove 6, the stability of the protective sleeve 601 is ensured, the protective effect of the protective shell 5 can be improved through the protective sleeve 601, and the protective shell 5 can better protect the conical vibrator 402.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. An active open ultrasound probe comprising a housing (1), characterized in that: a base (2) is installed on the inner bottom wall of the shell (1), a probe main body (201) is installed on the top of the base (2), and a PCB and an electronic component installation layer (3) are installed on the inner side of the probe main body (201);

the top of the shell (1) is connected with a cover plate (4) through threads, and the top of the cover plate (4) is provided with an embedded plate (401);

the outer wall of the embedded plate (401) is embedded with a protective shell (5), and the outer wall of the protective shell (5) is provided with a limiting groove (6).

2. An active open ultrasound probe according to claim 1, characterized in that: a plurality of sealing sleeves (101) are mounted on the bottom wall of the shell (1).

3. An active open ultrasound probe according to claim 1, characterized in that: the circuit board (301) is installed to the inboard of probe main part (201), and circuit board (301) are located the below of PCB and electronic components installation layer (3), and the bottom of circuit board (301) is connected with pin (303), and the bottom of pin (303) runs through the bottom at shell (1).

4. An active open ultrasound probe according to claim 1, characterized in that: piezoceramics piece (302) are installed to the inboard of probe main part (201), and piezoceramics piece (302) are located the top of PCB and electronic components installation layer (3), and PCB and electronic components are installed to the inboard of PCB and electronic components installation layer (3).

5. An active open ultrasound probe according to claim 1, characterized in that: the top of the cover plate (4) is provided with a conical vibrator (402), and the conical vibrator (402) is positioned on the inner side of the embedded plate (401).

6. An active open ultrasound probe according to claim 1, characterized in that: mounting groove (501) have been seted up at the top of protecting crust (5), and the inboard of mounting groove (501) is fixed with shielding bars (502) through the bolt.

7. An active open ultrasound probe according to claim 1, characterized in that: and a protective sleeve (601) is embedded and installed on the inner side of the limiting groove (6).

Images