CN217176817U - Piezoelectric ceramic air pump - Google Patents

Abstract

The utility model discloses a piezoelectric ceramic air pump, which comprises a base, a piezoelectric ceramic generating mechanism and an air outlet mechanism. The beneficial effects of the utility model are as follows: the air pump has a simple structure and is composed of a base, a piezoelectric ceramic power generating mechanism and an air outlet mechanism, and when in use, it is convenient for operators to operate and is suitable for use by different groups of people; In the process of gas flow and gas outlet, the gas flow path is shorter, which greatly reduces the loss of gas pressure during the transmission process. The current is introduced into the electromagnet, so that the electromagnet is magnetic, and then the magnet is attracted. By turning on and off the electromagnet, the gas collection and gas discharge are realized, and the phosphor copper sheet is set to reduce the loss in the export process. By setting two air inlets, the air intake efficiency can be expanded, thereby improving the pumping efficiency of the air pump.

Description

A piezoelectric ceramic air pump

technical field

The utility model relates to an air pump, in particular to a piezoelectric ceramic air pump, which belongs to the technical field of air pumps.

Background technique

Piezoelectric ceramic is a kind of information functional ceramic material that can convert mechanical energy and electrical energy into each other - piezoelectric effect. In addition to piezoelectricity, piezoelectric ceramics also have dielectric properties, elasticity, etc., and have been widely used in medical imaging, Acoustic sensors, acoustic transducers, ultrasonic motors, etc. Piezoelectric ceramics are made by using the material under the action of mechanical stress to cause the relative displacement of the internal positive and negative charge centers to cause polarization, resulting in the appearance of bound charges with opposite signs on the surfaces of the material, that is, piezoelectric effect. Ceramics are mainly used in the manufacture of ultrasonic transducers, underwater acoustic transducers, electroacoustic transducers, ceramic filters, ceramic transformers, ceramic frequency discriminators, high voltage generators, infrared detectors, surface acoustic wave devices, electro-optical devices, Ignition detonation devices and piezoelectric gyroscopes, etc.

The piezoelectric pump uses the tensile and bending deformation of the piezoelectric ceramic sheet to cause the change in the volume of the pump cavity, and squeezes the fluid in the cavity to inhale and discharge the fluid. The principle of the ceramic air pump is similar to that of the piezoelectric pump. Squeeze the piezoelectric ceramics, so that the piezoelectric ceramics generate current, and then drive the gas chamber to collect and discharge gas.

However, the existing piezoelectric ceramic air pump has some problems in use:

1) The internal structure of the existing piezoelectric ceramic air pump is complex, which is troublesome to operate, and it is easy to cause damage to the internal components due to improper operation, increasing the cost of use;

2) The existing piezoelectric ceramic air pump is troublesome in the process of gas input and output, and the path is long, resulting in insufficient air pressure, so that the amount of gas pumped out is small, and the work efficiency is low when inflation is required.

Utility model content

The purpose of this utility model is to provide a piezoelectric ceramic air pump in order to solve the above problems.

The utility model achieves the above-mentioned purpose through the following technical solutions: including

a base, a piezoelectric ceramic pressing frame and an air chamber are fixedly connected to one side of the upper surface of the base for supporting the piezoelectric ceramic air pump, and one end of the air chamber is provided with an air outlet;

a piezoelectric ceramic power generation mechanism, the piezoelectric ceramic power generation mechanism is fixedly installed inside the piezoelectric ceramic pressing frame, and the electric energy output end of the piezoelectric ceramic power generation mechanism is electrically connected to the internal components of the gas chamber through the wire;

An air outlet mechanism, the air outlet mechanism is fixedly arranged inside the air chamber, and the piezoelectric ceramic power generation mechanism can drive the air outlet mechanism to continuously output gas.

As a further solution of the present utility model: the piezoelectric ceramic power generation mechanism is composed of a pressing block, a spring one, a knocking block one, a spring two, a knocking block two, a piezoelectric ceramic one, a copper sheet and a piezoelectric ceramic two, The pressing block is arranged at the opening of the upper end of the piezoelectric ceramic pressing frame, and the inner lower side of the pressing block is fixedly connected with a spring one, the lower end of the spring one is sleeved on the upper side of the knocking block one, and the knocking block is The outer side of the first block is sleeved with the second spring, the lower side of the first percussion block is provided with the second percussion block, and the lower surface of the second percussion block is connected with the piezoelectric ceramic one, and the lower surface of the piezoelectric ceramic one is connected. A copper sheet is arranged on the side, and piezoelectric ceramics II are arranged on the lower side of the copper sheet.

As a further solution of the present utility model: the copper sheet adopts phosphor copper sheet with good electrical conductivity.

As a further solution of the present invention: the air outlet mechanism is composed of an electromagnet, an air cavity, a piston, a magnet, a spring and an air inlet, the electromagnet is fixedly installed at one end of the air cavity, and the two sides of the electromagnet are fixedly installed. Electrically connected to the wire, a piston is slidably connected in the air cavity, a magnet is fixed on the side of the piston close to the electromagnet, and two springs are fixed on the side away from the electromagnet. The third is fixedly connected to the side wall of the air cavity, and the upper side of the air cavity is provided with an air inlet.

As a further solution of the present invention, there are two air inlets, and each air inlet is embedded with a one-way valve.

As a further solution of the present invention, a check valve of the same size and material is embedded in the air outlet, and the setting direction of the check valve is opposite to that in the air inlet.

As a further solution of the present invention, the outer side of the piezoelectric ceramic air pump is provided with a waterproof insulating coating.

The beneficial effects of the present utility model are:

1. The air pump has a simple structure and is composed of a base, a piezoelectric ceramic power generating mechanism and an air outlet mechanism. When in use, it is convenient for the operator to operate and suitable for different groups of people;

2. During the gas collection and gas discharge process of the air pump, the gas flow route is short, which greatly reduces the loss of gas pressure during the transmission process. By detaining two piezoelectric ceramics, the electrons inside the piezoelectric ceramics move directionally, Thereby, the current is formed, and the current is introduced to the electromagnet through the wire, so that the electromagnet is magnetic, and then the magnet is attracted. The phosphor copper sheet is arranged to facilitate the export of the current and reduce the loss in the export process. By setting two air inlets, the air intake efficiency can be expanded, thereby improving the pumping efficiency of the air pump.

Description of drawings

1 is a schematic diagram of the appearance structure of the piezoelectric ceramic air pump of the utility model;

2 is a schematic diagram of the internal structure of the piezoelectric ceramic air pump of the utility model;

Figure 3 is a schematic structural diagram of the one-way valve of the present invention.

In the picture: 1. Base, 2. Piezoelectric ceramic pressing frame, 3. Air chamber, 4. Air outlet, 5. Pressing block, 6. Spring 1, 7. Knocking block 1, 8. Spring 2, 9. Knocking Block 2, 10, Piezoelectric Ceramics 1, 11, Copper sheet, 12, Conductor, 13, Electromagnet, 14, Air cavity, 15, Piston, 16, Magnet, 17, Spring 3, 18, Air inlet, 19 , One-way valve and 20, piezoelectric ceramic two.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to Figures 1 to 3, a piezoelectric ceramic air pump, including

The base 1, the upper surface of the base 1 used to support the piezoelectric ceramic air pump is fixedly connected with a piezoelectric ceramic pressing frame 2 and an air chamber 3, and one end of the air chamber 3 is provided with an air outlet 4;

Piezoelectric ceramic power generation mechanism, the piezoelectric ceramic power generation mechanism is fixedly installed inside the piezoelectric ceramic pressing frame 2, and the electrical energy output end of the piezoelectric ceramic power generation mechanism is connected through the wire 12 and the internal components of the gas chamber 3. electrical connection;

The gas outlet mechanism, the gas outlet mechanism is fixedly arranged inside the gas chamber 3, and the gas outlet mechanism can be driven to continuously output gas through the piezoelectric ceramic power generation mechanism.

In the embodiment of the present invention, the piezoelectric ceramic power generating mechanism is composed of a pressing block 5, a spring one 6, a knocking block one 7, a spring two 8, a knocking block two 9, a piezoelectric ceramic one 10, a copper sheet 11 and a Piezoelectric ceramic two 21 is formed, the pressing block 5 is arranged at the opening of the upper end of the piezoelectric ceramic pressing frame 2, and the inner lower side of the pressing block 5 is fixed with a spring one 6, and the lower end of the spring one 6 is sleeved on the The upper side of the knocking block one 7, and the outer side of the knocking block one 7 is sleeved with a spring two 8, the lower side of the knocking block one 7 is provided with a knocking block two 9, and the second knocking block 9 The lower surface is connected with the piezoelectric ceramic one 10, the lower side of the piezoelectric ceramic one 10 is provided with a copper sheet 11, and the lower side of the copper sheet 11 is provided with a piezoelectric ceramic two 21, when in use, by pressing the pressing block 5, so that the pressing block 5 drives the tapping block one 7 to move down, so that the tapping block one 7 squeezes the tapping block two 9, so that the tapping block two 9 squeezes the piezoelectric ceramic one 10, and then squeezes the piezoelectric The second ceramic 21 makes the piezoelectric ceramic one 10 and the electrons inside the piezoelectric ceramic two 21 move directionally, so as to form a current, which is led out through the wire 12 so as to supply power to the air outlet mechanism.

In the embodiment of the present invention, the copper sheet 11 is made of phosphor copper sheet with good electrical conductivity, which is convenient for exporting the current and reducing the loss in the exporting process.

In the embodiment of the present invention, the air outlet mechanism is composed of an electromagnet 13 , an air cavity 14 , a piston 15 , a magnet 16 , a spring 3 17 and an air inlet 18 , and the electromagnet 13 is fixedly installed at one end of the air cavity 14 . , and the two sides of the electromagnet 13 are electrically connected to the wire 12 , the air cavity 14 is slidably connected with a piston 15 , and the side of the piston 15 close to the electromagnet 13 is fixed with a magnet 16 , and it is far from the electromagnet 13 . Two springs 3 17 are fixedly connected to one side, and the two springs 3 17 are fixedly connected to the side wall of the air cavity 14 . The upper side of the air cavity 14 is provided with an air inlet 18 , which is convenient for energizing the electromagnet 13 , so that the electromagnet 13 attracts the magnet 16, so that the piston 15 moves in the air cavity 14 under the drive of the magnet 16. When the piston 15 moves toward the side of the electromagnet 13, the gas enters the air cavity through the air inlet 18. In 14, when the current disappears, the piston 15 moves towards the direction of the air outlet 4 under the action of the spring 3 17, so as to discharge the gas in the air cavity 14. Repeat the above steps to meet the demand for the amount of gas.

Embodiment 2

Please refer to Figures 1 to 3, a piezoelectric ceramic air pump, including

The base 1, the upper surface of the base 1 used to support the piezoelectric ceramic air pump is fixedly connected with a piezoelectric ceramic pressing frame 2 and an air chamber 3, and one end of the air chamber 3 is provided with an air outlet 4;

Piezoelectric ceramic power generation mechanism, the piezoelectric ceramic power generation mechanism is fixedly installed inside the piezoelectric ceramic pressing frame 2, and the electrical energy output end of the piezoelectric ceramic power generation mechanism is connected through the wire 12 and the internal components of the gas chamber 3. electrical connection;

The gas outlet mechanism, the gas outlet mechanism is fixedly arranged inside the gas chamber 3, and the gas outlet mechanism can be driven to continuously output gas through the piezoelectric ceramic power generation mechanism.

In the embodiment of the present invention, there are two air inlets 18, and each air inlet 18 is embedded with a one-way valve 19, which can control the air inlet 18 to only take in air and not to discharge air. .

In the embodiment of the present invention, the inside of the air outlet 4 is embedded with a check valve 19 of the same size and material, and the setting direction of the check valve 19 is opposite to the setting direction of the air inlet 18, which is convenient to make The air outlet 4 can only discharge air, but cannot take in air, thereby improving the pumping efficiency of the air pump.

In the embodiment of the present invention, the outer side of the piezoelectric ceramic air pump is provided with a waterproof insulating coating, which is convenient to improve the use safety of the air pump during use.

Working principle: When using this piezoelectric ceramic air pump, first press the pressing block 5, so that the pressing block 5 drives the knocking block one 7 to move down, so that the knocking block one 7 squeezes the knocking block two 9, so that the The tapping block 2 9 squeezes the piezoelectric ceramic one 10 , and then squeezes the piezoelectric ceramic two 21 , so that the electrons in the piezoelectric ceramic one 10 and the piezoelectric ceramic two 21 move directionally, thereby forming a current, which is led out through the wire 12 , in order to supply power to the electromagnet 13 in the air outlet mechanism, so that the electromagnet 13 attracts the magnet 16, so that the piston 15 moves in the air cavity 14 under the drive of the magnet 16. When the piston 15 moves toward the side of the electromagnet 13 When moving, the gas enters into the air cavity 14 through the air inlet 18. When the current disappears, the piston 15 moves towards the direction of the air outlet 4 under the action of the spring 3 17, thereby discharging the gas in the air cavity 14. Repeat the above step, the demand for the amount of gas can be met. Since the air inlet 18 and the air outlet 4 are both provided with a one-way valve 19, the air inlet and air outlet processes are independent of each other and do not affect each other. The piezoelectric ceramic air pump has a simple structure. , and its outer side is provided with a waterproof insulating coating, which is convenient to improve the safety of the air pump during use.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A piezoceramic air pump is characterized in that: comprises that

The piezoelectric ceramic air pump comprises a base (1), wherein a piezoelectric ceramic pressing frame (2) and an air chamber (3) are fixedly connected to one side of the upper surface of the base (1) for supporting the piezoelectric ceramic air pump, and an air outlet (4) is formed in one end of the air chamber (3);

the piezoelectric ceramic power generation mechanism is fixedly arranged inside the piezoelectric ceramic pressing frame (2), and the electric energy output end of the piezoelectric ceramic power generation mechanism is electrically connected with an internal element of the air chamber (3) through a lead (12);

the air outlet mechanism is fixedly arranged in the air chamber (3), and can drive the air outlet mechanism to continuously output air through the piezoelectric ceramic power generation mechanism.

2. A piezoceramic air pump according to claim 1, wherein: the piezoelectric ceramic power generation mechanism consists of a pressing block (5), a first spring (6), a first knocking block (7), a second spring (8), a second knocking block (9), a first piezoelectric ceramic (10), a copper sheet (11) and a second piezoelectric ceramic (21), the pressing block (5) is arranged at the opening at the upper end of the piezoelectric ceramic pressing frame (2), a first spring (6) is fixedly connected with the lower side of the interior of the pressing block (5), the lower end of the first spring (6) is sleeved on the upper side of the first rapping block (7), a second spring (8) is sleeved on the outer side of the first rapping block (7), a second rapping block (9) is arranged on the lower side of the first rapping block (7), the lower surface of the second tapping block (9) is connected with the first piezoelectric ceramic (10), a copper sheet (11) is arranged on the lower side of the first piezoelectric ceramic (10), and a second piezoelectric ceramic (21) is arranged on the lower side of the copper sheet (11).

3. A piezoceramic air pump according to claim 2, wherein: the copper sheet (11) is a phosphorus copper sheet with good conductivity.

4. A piezoceramic air pump according to claim 1, characterized in that: the air outlet mechanism is composed of an electromagnet (13), an air cavity (14), a piston (15), a magnet (16), three springs (17) and an air inlet (18), wherein the electromagnet (13) is fixedly installed at one end of the air cavity (14), two sides of the electromagnet (13) are electrically connected with a lead (12), the piston (15) is connected in the air cavity (14) in a sliding mode, the magnet (16) is fixedly connected to one side, close to the electromagnet (13), of the piston (15), the three springs (17) are fixedly connected to one side, far away from the electromagnet (13), of the piston (15), the three springs (17) are fixedly connected with the side wall of the air cavity (14), and the air inlet (18) is arranged on the upper side of the air cavity (14).

5. A piezoceramic air pump according to claim 4, wherein: the number of the air inlets (18) is two, and a one-way valve (19) is embedded in each air inlet (18).

6. A piezoceramic air pump according to claim 1, characterized in that: the air outlet (4) is internally embedded with a one-way valve (19) with the same size and material, and the setting direction of the one-way valve (19) is opposite to the setting direction in the air inlet (18).

7. A piezoceramic air pump according to claim 1, characterized in that: the piezoelectric ceramic air pump is simple in structure, and a waterproof insulating coating is arranged on the outer side of the piezoelectric ceramic air pump.

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