CN210816506U

CN210816506U - Ultrasonic vibration box and ultrasonic transducer thereof

Info

Publication number: CN210816506U
Application number: CN201921475479.9U
Authority: CN
Inventors: 向国强
Original assignee: Shenzhen Aixcent Autoimmunization Equipment Co ltd
Current assignee: Shenzhen Aixcent Autoimmunization Equipment Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-23
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to an ultrasonic vibration box and an ultrasonic transducer thereof, wherein the ultrasonic transducer comprises a transmitting body and at least one piezoelectric element; the at least one piezoelectric element is disposed in an emission direction of the emitter; the emitter comprises a supporting part and a matching part which is arranged at one end of the supporting part and is matched with the piezoelectric element; at least one space avoiding position is arranged on the side wall of the supporting part. The ultrasonic transducer can avoid obstacles in installation and can be installed in an ultra-narrow space, so that ultrasonic energy can be output without shielding and with high power, and meanwhile, the piezoelectric element used in an overtime space is ensured not to drop easily, and the ultrasonic attenuation speed can be reduced, so that the ultrasonic pressure value of ultrasonic waves exceeds the industrial standard.

Description

Ultrasonic vibration box and ultrasonic transducer thereof

Technical Field

The utility model relates to a wash the field, more specifically say, relate to an ultrasonic vibration box and ultrasonic transducer thereof.

Background

Along with the requirement of the process procedure is higher and higher, the production beat is faster and faster, the ultrasonic vibration plate or the ultrasonic vibration box is generally used in cleaning equipment, the ultrasonic vibration box comprises a box body and a plurality of ultrasonic transducers arranged in the box body, each ultrasonic transducer comprises a transmitter and at least one piezoelectric element, the transmitter is horn-shaped or round table-shaped, when the box body is internally provided with other parts to form an obstacle for mounting the ultrasonic transducers and the space is narrower, the ultrasonic transducers cannot be mounted in the ultra-narrow space due to the horn-shaped or round table-shaped transmitter and cannot be used for a long time, and the attenuation speed of the ultrasonic vibration is increased, so that the good cleaning effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a modified ultrasonic transducer, further provides a modified ultrasonic vibration box.

The utility model provides a technical scheme that its technical problem adopted is: constructing an ultrasonic transducer comprising an emitter and at least one piezoelectric element; the at least one piezoelectric element is disposed in an emission direction of the emitter;

the emitter comprises a supporting part and a matching part which is arranged at one end of the supporting part and is matched with the piezoelectric element;

at least one space avoiding position is arranged on the side wall of the supporting part.

Preferably, the emitter is elongated;

the at least one piezoelectric element comprises a plurality of groups of piezoelectric elements; the multiple groups of piezoelectric elements are arranged at intervals along the length direction of the matching part;

each group of piezoelectric elements includes a plurality of piezoelectric elements arranged in an axial direction in a stacked manner.

Preferably, the support portion is elongated in the longitudinal direction.

Preferably, the at least one space avoiding portion includes two grooves disposed on two oppositely disposed side walls of the supporting portion.

Preferably, the recess comprises an arcuate slot.

Preferably, the emitter is a corrosion resistant emitter;

the piezoelectric element comprises a piezoelectric ceramic sheet.

Preferably, a cover provided on the piezoelectric element is further included.

Preferably, a cover is also included to mate with the projectile.

Preferably, the LED lamp further comprises an outlet tube arranged on the emitter to lead out a power line.

The utility model discloses still construct an ultrasonic vibration box, be in including box body and setting in the box body ultrasonic transducer.

Implement the utility model discloses an ultrasonic vibration box and ultrasonic transducer thereof has following beneficial effect: this ultrasonic transducer sets up on the emission direction of this projectile and cooperates with the cooperation portion of this emitter through at least one piezoelectric element to set up at least one on the lateral wall of the supporting part of this emitter and keep away the vacancy, thereby can dodge the obstacle in the installation, the mountable is in super narrow space, thereby can let ultrasonic energy do not have and shelter from and high-power output, guarantee simultaneously that piezoelectric element is difficult for dropping and can slow down ultrasonic attenuation speed for ultrasonic wave ultrasonic pressure value surpasss the industry standard far away.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural diagram of a first embodiment of an ultrasonic transducer according to the present invention;

FIG. 2 is a top view of the ultrasonic transducer shown in FIG. 1;

FIG. 3 is a partial longitudinal cross-sectional view of the ultrasonic transducer of FIG. 1;

fig. 4 is a schematic structural diagram of a second embodiment of the ultrasonic transducer of the present invention;

FIG. 5 is a partial longitudinal cross-sectional view of the ultrasonic transducer of FIG. 4;

fig. 6 is a schematic diagram of the ultrasonic transducer shown in fig. 4 in a state of avoiding the obstacle.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 to 3 show a first embodiment of the ultrasonic transducer of the present invention. In this embodiment, the ultrasonic transducer may be used in an ultrasonic vibration pod. This ultrasonic vibration box can arrange cleaning equipment's washing tank in, and its accessible produces ultrasonic vibration and accelerates the washing speed to shorten the contact time between the work piece of arranging in the washing tank and the cleaner, and can make fully contact between this work piece and the cleaner, thereby improve the cleaning performance. It will be appreciated that in other embodiments, the ultrasonic transducer may not be limited to use with an ultrasonic vibrating box.

As shown in fig. 1 to 3, further, in the present embodiment, the ultrasonic vibration box may include a box body and an ultrasonic transducer disposed in the box body. The case may be made of SUS316# stainless steel, and may have a rectangular parallelepiped shape. It will be appreciated that in other embodiments, the box may not be limited to a rectangular parallelepiped shape, and may not be made of stainless steel, but may be made of titanium alloy or other metal materials. The box body can comprise an upper box body and a lower box body, both the upper box body and the lower box body can be in a cuboid shape, and the lower box body can be provided with an opening which can be used for the ultrasonic transducer to be installed. The space of the lower box body can be smaller than that of the upper box body. The ultrasonic transducer may be disposed in the case, and may be installed in the lower case and extend toward the upper case, and may be used to generate ultrasonic waves.

Further, in the present embodiment, the ultrasonic transducer may include an emitter 10 and a plurality of sets of piezoelectric elements 20; the emitter 10 may be used to emit ultrasound waves; the piezoelectric elements 20 can be disposed in the emitting direction of the emitter 10 at intervals, and the piezoelectric elements 20 can be used to generate piezoelectric effect to convert electrical energy into kinetic energy, thereby generating mechanical vibration. It is understood that in other embodiments, the piezoelectric elements 20 are not limited to multiple sets, but may be a set, and of course, it is understood that they may be one.

Further, in the present embodiment, the emitter 10 may be a corrosion-resistant emitter, which may be made of a corrosion-resistant material, which may prevent corrosion by a cleaning agent of strong acid or strong base in a cleaning tank disposed in a cleaning apparatus, thereby increasing the service life of the ultrasonic transducer. In this embodiment, the emitter 10 may be made of SUS316 stainless steel or titanium, and it should be understood that in other embodiments, the emitter 10 is not limited to be made of SUS316 stainless steel or titanium, and may be made of other corrosion-resistant metal materials.

Further, in some embodiments, the emitter 10 may have an elongated shape for mounting a plurality of sets of piezoelectric elements 20, thereby facilitating high power output and improving mounting efficiency of the ultrasonic transducer, and the side surface of the emitter may have a T-like shape, it being understood that in other embodiments, the emitter 10 may not be limited to having an elongated shape and the side surface may not be limited to having a T-like shape. In other embodiments, the projectile 10 may be shaped and sized to fit the installation space.

Further, in the present embodiment, the emitter may include a supporting portion 11 and a fitting portion 12; the support portion 11 may be disposed in a lower case of the ultrasonic vibration case, and may be used to support the piezoelectric element 20. The support portion 11 may be formed in a substantially rectangular parallelepiped shape in the lateral direction and may be formed in a long shape in the longitudinal direction. The engaging portion 12 may be disposed at one end of the supporting portion 11, and has a length corresponding to the length of the supporting portion 11 and a width greater than the width of the supporting portion 11, and may engage with the piezoelectric element 20. In the present embodiment, the fitting portion 12 and the supporting portion 11 may be integrally formed, and in particular, in some embodiments, the fitting portion 12 and the supporting portion 11 may be integrally formed by injection molding.

Further, in the present embodiment, two clearance spaces 13 may be formed on the side wall of the supporting portion 11; the two space-avoiding portions 13 can be located on two oppositely disposed side walls of the supporting portion 11, and they are respectively disposed to extend along the length direction of the supporting portion 12. The clearance may be a groove, which may be located at one end of the supporting portion 11 connected to the mating portion 12, and which may extend toward the bottom wall of the mating portion 12. In this embodiment, the groove may be an arc-shaped groove, so as to reduce friction generated with the obstacle, and it is understood that in other embodiments, the groove may not be limited to an arc-shaped groove, and the clearance may not be limited to a groove, which may be a tangent plane, and the tangent plane may extend toward an end away from the fitting portion 12, so that the thickness of the supporting portion 11 is gradually decreased along a direction away from the fitting portion 12. The blocking position in the box body can be avoided by setting the vacancy avoiding position 13, so that the box body can be matched with an ultra-narrow space, the box body can be conveniently installed in the ultra-narrow space, ultrasonic energy can be shielded without shielding, high-power output can be realized, and meanwhile, the ultrasonic attenuation speed is reduced, so that the ultrasonic pressure value of ultrasonic waves reaches the industrial standard. The sound pressure value of the ultrasonic wave of the embodiment can reach more than 12mv, and the ultrasonic wave has good stability and can be used for a long time.

It is understood that, in other embodiments, the clearance spaces 13 may not be limited to two, but not limited to two, on two opposite sidewalls of the supporting portion 11, and may be disposed on any one of the sidewalls, which may be one or more, and may not be limited to extend in a length direction of the supporting portion 11. In other embodiments, a plurality of clearance spaces 13 may be respectively disposed on the side walls of the two opposite sides of the supporting portion 11, the clearance spaces 13 may be disposed at intervals, and the shapes and sizes of the clearance spaces 13 may be the same or different.

Further, in the present embodiment, the plurality of sets of piezoelectric elements 20 may be disposed at intervals along the length direction of the matching portion 12, and may be matched with the matching portion 12 to generate vibration. In the present embodiment, each set of piezoelectric elements 20 may include a plurality of piezoelectric elements 20 arranged in an axial direction in a stacked manner; adjacent piezoelectric elements 20 may be spaced apart. In the present embodiment, the piezoelectric element 20 may be a piezoelectric ceramic plate, and it is understood that in other embodiments, the piezoelectric element 20 may not be limited to a piezoelectric ceramic plate. In this embodiment, the cross section of the piezoelectric element 20 may be circular, and the diameter of the piezoelectric element may be smaller than the width of the matching portion 12. In the present embodiment, the diameter of the piezoelectric element 20 may be 32cm, and it is understood that in other embodiments, the cross section of the piezoelectric element 20 may not be limited to being circular, and the diameter of the piezoelectric element 20 may not be limited to being 32 cm. The piezoelectric element 20 can be provided with a through hole, and the through hole can facilitate the penetration of the connecting component to connect the piezoelectric element 20 with the matching part 12, so that the assembly stability of the piezoelectric element 20 and the matching part 12 can be improved, and the long-term stable use of the ultrasonic transducer can be facilitated.

Further, in the present embodiment, the ultrasonic transducer may further include a cover 30; the cover 30 may be disposed on the piezoelectric elements 20, and the cover 30 may be disposed in one-to-one correspondence with each group of piezoelectric elements 20, which may be located on a side of the piezoelectric elements 20 away from the emitter. The cover 30 may be made of stainless steel or titanium. It is understood that in other embodiments, the cover 30 may be made of stainless steel or titanium alloy.

Further, in the present embodiment, the ultrasonic transducer may further include a connecting assembly 40; the connecting component 40 can be a screw, which can be inserted into the emitter 10 from the cover 30 to connect and fix the cover 30, the piezoelectric element 20, and the emitter 10, so as to improve the stability of the ultrasonic transducer. It will be appreciated that in other embodiments, the connection assembly 40 may not be limited to screws.

Fig. 4 to 6 show a second embodiment of the ultrasonic transducer of the present invention. The ultrasonic transducer may also include a cover 50 and an outlet tube 60.

The cover 50 may be disposed on the projectile 10, which may be mated with the projectile 10. Specifically, the cover 50 may be a hollow structure, which can be covered on the fitting portion 12 of the projectile body 10, and the shape and size of the cross section of the cover can be equivalent to the shape and size of the cross section of the fitting portion 12, so as to be tightly fitted with the fitting portion 12.

The outlet tube 60 may be disposed on the projectile 10, may extend out of the cover 50, and may be used to draw a power cord. The outlet pipe 60 may be a flexible pipe, which may be made of PVC. It is understood that in other embodiments, the outlet pipe 60 may not be limited to a hose, and it may not be limited to PVC.

The ultrasonic transducer comprises the following implementation steps:

step 1) adopting SUS316 stainless steel material or titanium material and manufacturing the emitter 10 with a set shape by adopting a prefabricated mould;

step 2) according to the number of groups of the piezoelectric elements 20 and according to a set size, processing threaded holes in the emitter 10 at equal intervals;

step 3) installing a corresponding number of piezoelectric ceramic pieces on the matching part 12 of the emitter 10 according to the design drawing requirements, wherein the diameter of each piezoelectric ceramic piece is phi 32;

step 4) fixing the cover body 30 to the emitter 10 by using screws;

step 5) adopt 1.0mm²All the piezoelectric elements 20 are connected in parallel by high temperature wires and then 2 x 1.5mm is used²Or 2 x 2.5mm²Shielding the high-temperature wire from leading out;

step 6) welding the sealing cover 50 with the emitter 10 by adopting a welding process;

step 7), installing a wire outlet pipe 60;

step 8) placing the mixture into a water tank for air tightness test, and keeping the mixture for 10min under the air pressure of 0.3PMa

And then no leakage occurs.

And 9) carrying out aging test for 24 hours together with the ultrasonic power supply, and ensuring the running quality of the ultrasonic power supply.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. An ultrasonic transducer, characterized by comprising an emitter (10) and at least one piezoelectric element (20); the at least one piezoelectric element (20) is arranged in the emission direction of the emitter (10);

the emitter (10) comprises a supporting part (11) and a matching part (12) which is arranged at one end of the supporting part (11) and is matched with the piezoelectric element (20);

the side wall of the supporting part (11) is provided with at least one space avoiding position (13).

2. The ultrasonic transducer according to claim 1, wherein the emitter (10) is elongated;

the at least one piezoelectric element (20) comprises a plurality of sets of piezoelectric elements (20); the multiple groups of piezoelectric elements (20) are arranged at intervals along the length direction of the matching part (12);

each group of piezoelectric elements (20) includes a plurality of piezoelectric elements (20) arranged in an axial direction in a stacked manner.

3. The ultrasonic transducer according to claim 1, wherein the support portion (11) is elongated in the longitudinal direction.

4. The ultrasonic transducer according to claim 1, wherein the at least one void avoidance bit (13) comprises two recesses provided in two oppositely disposed side walls of the support (11).

5. The ultrasonic transducer of claim 4, wherein the groove comprises an arcuate slot.

6. The ultrasonic transducer according to claim 1, wherein the emitter (10) is a corrosion resistant emitter (10);

the piezoelectric element (20) comprises a piezoelectric ceramic sheet.

7. The ultrasonic transducer according to claim 1, further comprising a cover (30) disposed on the piezoelectric element (20).

8. The ultrasonic transducer of claim 1, further comprising a cover (50) cooperating with the emitter (10).

9. The ultrasonic transducer according to claim 1, further comprising an outlet tube (60) disposed on the emitter (10) to lead out a power supply line.

10. An ultrasonic vibration box, characterized by comprising a box body and the ultrasonic transducer of any one of claims 1 to 9 disposed in the box body.