CN218118002U

CN218118002U - Piezoelectric ceramic pump

Info

Publication number: CN218118002U
Application number: CN202222253060.7U
Authority: CN
Inventors: 艾育林; 陈建华
Original assignee: Jiangxi Wannianxin Microelectronics Co Ltd
Current assignee: Jiangxi Wannianxin Microelectronics Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-23
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to a piezoceramics pump technical field specifically is a piezoceramics pump, including piezoceramics pump main part, the both sides of piezoceramics pump main part are connected with first connecting pipe and second connecting pipe respectively, the rear side of piezoceramics pump main part is provided with the mounting panel, the left and right sides between the rear side of piezoceramics pump main part and the mounting panel is provided with buffer structure, be provided with heat radiation structure on the outside casing of piezoceramics pump main part, utilize buffer structure can carry out effectual buffering to it when the piezoceramics pump produces stronger vibration to reach the purpose that reduces piezoceramics pump whole noise, thereby solved the problem that piezoceramics pump among the prior art has operating noise big, utilize heat radiation structure can in time lead the inside heat of piezoceramics pump to the fin simultaneously, finally arrange the heat in the external environment through the fan, in order to reach effective radiating purpose.

Description

Piezoelectric ceramic pump

Technical Field

The utility model relates to a piezoceramics pump technical field specifically is a piezoceramics pump.

Background

The piezoelectric ceramic pump is a micro pump made by utilizing the inverse piezoelectric effect of piezoelectric ceramic, has no motor and no rotating part, and is a power driving source, when in work, under the drive of an alternating current power supply, the piezoelectric ceramic piece is radially shortened or extended, and simultaneously drives the elastic substrate to bend and deform to form alternating vibration, so that the volume in the pump cavity of the piezoelectric ceramic pump is caused to change alternately, thus pressure difference is generated inside and outside the pump cavity, liquid is pushed to flow continuously, and low-pressure liquid entering from the liquid inlet pipe is output from the liquid outlet pipe at higher pressure.

Piezoelectric ceramic pump among the prior art has the shortcoming that noise at work is big on the one hand when in actual use, leads to influencing whole operational environment, and on the other hand also has the problem that generates heat easily and the heat gathering can't be discharged in the pump, and these problems all can influence piezoelectric ceramic pump's life.

Therefore, it is very important to design a piezoelectric ceramic pump to overcome the above technical drawbacks and improve the overall practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piezoceramics pump to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a piezoelectric ceramic pump comprises a piezoelectric ceramic pump main body, wherein a first connecting pipe and a second connecting pipe are respectively connected to two sides of the piezoelectric ceramic pump main body, an installation plate is arranged on the rear side of the piezoelectric ceramic pump main body, buffering structures are arranged on the left side and the right side between the rear side of the piezoelectric ceramic pump main body and the installation plate, and a heat dissipation structure is arranged on an outer shell of the piezoelectric ceramic pump main body;

the buffer structure comprises a piston rod fixedly connected to a back shell of the piezoelectric ceramic pump main body, one side of the piston rod, which is far away from the piezoelectric ceramic pump main body, is connected with a sleeve, and one side of the piston rod, which is positioned inside the sleeve, is provided with a spring;

the heat radiation structure comprises a heat conduction pipe which is connected inside the piezoelectric ceramic pump main body in a penetrating mode, one side, away from the piezoelectric ceramic pump main body, of the heat conduction pipe is connected with a heat radiation fin, and a fan is installed on one side, away from the piezoelectric ceramic pump main body, of the heat radiation fin in an embedded mode.

As the utility model discloses preferred scheme, the diameter of piston rod is less than telescopic inside diameter, piston rod and muffjoint and connected mode are sliding connection.

As the utility model discloses preferred scheme, the back casing intermediate position of piezoceramics pump main part is provided with the shock pad, the shock pad adopts elastic rubber material to make, the both sides of shock pad are connected respectively on the casing of piezoceramics pump main part and on the mounting panel.

As the utility model discloses preferred scheme, spring fixed mounting is in telescopic inside bottom, the opposite side of spring is contradicted in one side that the piezoceramics pump main part was kept away from to the piston rod.

As the utility model discloses preferred scheme, the heat pipe is L type structure, and wholly adopts the heat conduction material to make, and its one side through connection is in the inside of piezoceramics pump main part, and the opposite side is connected on the fin.

As the utility model discloses preferred scheme, the fin adopts the fin of aluminium system material, the fan embedding is installed on the fin keeps away from one side casing of piezoceramics pump main part, the fan is radiator fan.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through a piezoceramics pump that sets up, utilize buffer structure can carry out effectual buffering to it when piezoceramics pump produces stronger vibration to reach the purpose that reduces the whole noise of piezoceramics pump, thereby there is the problem that noise at work big in the piezoceramics pump of having solved among the prior art.

2. The utility model discloses in, through the piezoceramics pump that sets up, utilize heat radiation structure can in time lead the heat-radiating fin with the inside heat of piezoceramics pump on, finally arrange the external environment with the heat through the fan in to reach effective radiating purpose, thereby solved the piezoceramics pump among the prior art and had the poor problem of radiating effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the piezoelectric ceramic pump of the present invention;

fig. 2 is a schematic structural diagram of the mounting plate of the present invention;

fig. 3 is a schematic view of the buffering structure and the heat dissipation structure of the present invention.

In the figure: 1. a piezoelectric ceramic pump body; 2. a first connecting pipe; 3. a second connecting pipe; 4. mounting a plate; 5. a buffer structure; 51. a piston rod; 52. a sleeve; 53. a spring; 6. a heat dissipation structure; 61. a heat conducting pipe; 62. a heat sink; 63. a fan; 7. a shock-absorbing pad.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention have been presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In an embodiment, referring to fig. 1-3, the present invention provides a technical solution:

a piezoelectric ceramic pump comprises a piezoelectric ceramic pump main body 1, two sides of the piezoelectric ceramic pump main body 1 are respectively connected with a first connecting pipe 2 and a second connecting pipe 3, a mounting plate 4 is arranged on the rear side of the piezoelectric ceramic pump main body 1, buffer structures 5 are arranged on the left side and the right side between the rear side of the piezoelectric ceramic pump main body 1 and the mounting plate 4, each buffer structure 5 comprises a piston rod 51 fixedly connected to a back shell of the piezoelectric ceramic pump main body 1, a sleeve 52 is connected to one side, away from the piezoelectric ceramic pump main body 1, of each piston rod 51, and a spring 53 is arranged on one side, located inside the sleeve 52, of each piston rod 51, so that the piezoelectric ceramic pump can be effectively buffered when strong vibration is generated through the buffer structures 5, and the purpose of reducing the overall noise of the piezoelectric ceramic pump is achieved;

wherein the diameter of piston rod 51 is less than sleeve 52's inside diameter, piston rod 51 and sleeve 52 are connected and the connected mode is sliding connection, piezoceramics pump main part 1's back casing intermediate position is provided with shock pad 7, shock pad 7 adopts elastic rubber material to make, the both sides of shock pad 7 are connected respectively on piezoceramics pump main part 1's casing and mounting panel 4, spring 53 fixed mounting is in sleeve 52's inside bottom, spring 53's opposite side is contradicted in piston rod 51 and is kept away from one side of piezoceramics pump main part 1, when piezoceramics pump main part 1 produces the vibration, can drive piston rod 51 connected with it and move down, and then can compress spring 53 and produce the compression, can produce corresponding spring force after the spring 53 pressurized and offset pressure, thereby reach the mesh of buffering and making an uproar, also can the synchronous noise reduction through shock pad 7 simultaneously, overall stability has been improved.

In this embodiment, please refer to fig. 1 and fig. 3, a heat dissipation structure 6 is disposed on an outer casing of the piezoelectric ceramic pump main body 1, the heat dissipation structure 6 includes a heat pipe 61 penetrating and connected to an inside of the piezoelectric ceramic pump main body 1, a heat sink 62 is connected to a side of the heat pipe 61 away from the piezoelectric ceramic pump main body 1, a fan 63 is embedded and installed on a side of the heat sink 62 away from the piezoelectric ceramic pump main body 1, and the heat dissipation structure 6 is used for timely discharging heat inside the piezoelectric ceramic pump main body 1, so as to prevent the heat from being accumulated inside the piezoelectric ceramic pump main body 1 to cause heating;

the heat conduction pipe 61 is of an L-shaped structure, the whole body is made of a heat conduction material, one side of the heat conduction pipe is connected to the inside of the piezoelectric ceramic pump main body 1 in a penetrating manner, the other side of the heat conduction pipe is connected to the heat dissipation fin 62, the heat dissipation fin 62 is made of an aluminum heat dissipation fin, the fan 63 is embedded in a shell body, which is arranged on one side, away from the piezoelectric ceramic pump main body 1, of the heat dissipation fin 62, the fan 63 is a heat dissipation fan, heat inside the piezoelectric ceramic pump main body 1 is conducted through the heat conduction pipe 61, the heat conduction pipe 61 transmits the heat to the heat dissipation fin 62, and then the heat on the heat dissipation fin 62 is discharged to the external environment through the fan 63, so that the purposes of heat dissipation and temperature reduction are achieved.

The utility model discloses work flow: when the piezoelectric ceramic pump is used, firstly, the piezoelectric ceramic pump main body 1 is installed at a proper position through the installation plate 4, and the first connection pipe 2 and the second connection pipe 3 are respectively connected with an external pipeline, and then the piezoelectric ceramic pump is used, under the condition that the piston rod 51 and the sleeve 52 are connected and the connection mode is sliding connection, the spring 53 is fixedly installed at the inner bottom end of the sleeve 52, and the other side of the spring 53 is abutted against one side of the piston rod 51 far away from the piezoelectric ceramic pump main body 1, when the piezoelectric ceramic pump main body 1 vibrates, the piston rod 51 connected with the piezoelectric ceramic pump main body is driven to move downwards, and then the spring 53 is compressed, and the spring 53 generates corresponding spring force to offset pressure after being compressed, so that the purposes of buffering and noise reduction are achieved, then, the heat conduction pipe 61 is of an L-shaped structure, the heat conduction pipe 62 is made of a heat conduction material while the heat dissipation fins 62 are made of aluminum material, the fan 63 is embedded in a casing on one side of the heat dissipation fins 62 far away from the piezoelectric ceramic pump main body 1, and under the condition that the fan 63 is a heat dissipation fan, so that the heat inside of the piezoelectric ceramic pump main body 1 is conducted through the heat conduction pipe 61, and then the heat dissipation fins is discharged to the environment through the heat conduction pipe 63, and then the heat dissipation environment is cooled.

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

Claims

1. A piezoceramic pump comprises a piezoceramic pump body (1) and is characterized in that: the two sides of the piezoelectric ceramic pump main body (1) are respectively connected with a first connecting pipe (2) and a second connecting pipe (3), the rear side of the piezoelectric ceramic pump main body (1) is provided with a mounting plate (4), the left side and the right side between the rear side of the piezoelectric ceramic pump main body (1) and the mounting plate (4) are provided with buffer structures (5), and the outer shell of the piezoelectric ceramic pump main body (1) is provided with a heat dissipation structure (6);

the buffer structure (5) comprises a piston rod (51) fixedly connected to a back shell of the piezoelectric ceramic pump main body (1), one side, far away from the piezoelectric ceramic pump main body (1), of the piston rod (51) is connected with a sleeve (52), and a spring (53) is arranged on one side, located inside the sleeve (52), of the piston rod (51);

heat radiation structure (6) are including through connection in inside heat pipe (61) of piezoceramics pump main part (1), one side that piezoceramics pump main part (1) was kept away from in heat pipe (61) is connected with fin (62), one side embedding that piezoceramics pump main part (1) was kept away from in fin (62) is installed fan (63).

2. A piezoceramic pump according to claim 1, wherein: the diameter of the piston rod (51) is smaller than the inner diameter of the sleeve (52), and the piston rod (51) and the sleeve (52) are connected in a sliding connection mode.

3. A piezoceramic pump according to claim 1, wherein: the back casing intermediate position of piezoceramics pump main part (1) is provided with shock pad (7), shock pad (7) adopt elastic rubber material to make, the both sides of shock pad (7) are connected respectively on the casing of piezoceramics pump main part (1) and on mounting panel (4).

4. A piezoceramic pump according to claim 1, wherein: the spring (53) is fixedly installed at the bottom end of the inner portion of the sleeve (52), and the other side of the spring (53) abuts against one side, away from the piezoelectric ceramic pump main body (1), of the piston rod (51).

5. A piezoceramic pump according to claim 1, wherein: the heat conduction pipe (61) is of an L-shaped structure, is integrally made of heat conduction materials, one side of the heat conduction pipe penetrates through the piezoelectric ceramic pump main body (1) and is connected to the inside of the piezoelectric ceramic pump main body, and the other side of the heat conduction pipe is connected to the radiating fin (62).

6. A piezoceramic pump according to claim 1, wherein: the radiating fin (62) is made of aluminum, the fan (63) is embedded in a shell of the radiating fin (62) far away from the piezoelectric ceramic pump main body (1), and the fan (63) is a radiating fan.