CN219921681U

CN219921681U - Portable breast pump host and breast pump

Info

Publication number: CN219921681U
Application number: CN202320866566.7U
Authority: CN
Inventors: 胡文飞; 焦艳
Original assignee: Hangzhou Feipei Technology Co ltd
Current assignee: Hangzhou Feipei Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-10-31
Anticipated expiration: 2033-04-18

Abstract

The utility model provides a portable breast pump host, comprising: the shell is provided with an air inlet pipe which is communicated with the inside of the shell and the outside of the shell; the multi-way connecting piece is arranged in the shell and is provided with an air inlet end and at least two air outlet ends, and the air inlet end is communicated with the air inlet pipe; the electromagnetic air valve is arranged in the shell and is positioned between the air inlet end of the multi-way connecting piece and the air inlet pipe; the air suction nozzle of each ultrasonic piezoelectric air pump is communicated with the air inlet pipe through one air outlet end of the multi-way connecting piece; the control circuit board is arranged inside the shell and is respectively and electrically connected with the electromagnetic air valve and the ultrasonic piezoelectric air pump. The portable breast pump main unit has enough suction force and has the advantages of small volume, light weight and low noise.

Description

Portable breast pump host and breast pump

Technical Field

The utility model relates to an electric breast pump device, in particular to a portable breast pump main machine and a breast pump, and belongs to the technical field of mother and infant products.

Background

The breast pump is an auxiliary device commonly used by nursing mothers, and can conveniently, safely and efficiently collect milk under the drive of electric power. The breast pump mainly comprises a main body of the breast pump, an air pipe, a milk bottle and a breast pump cover, wherein an air pump driven by electricity is arranged in the main body of the breast pump, negative pressure suction airflow is generated in a closed space formed by the air pump, the air pipe and the breast pump cover adsorbed on the breast, the breast and the nipple are extruded through the suction airflow according to preset frequency, and milk is sucked out of the breast and stored in the milk bottle.

The air pump determines the use experience and key performance of the breast pump, and in the prior art, the air pump is usually selected from a diaphragm vacuum pump, a piston vacuum pump or a ceramic piezoelectric pump, wherein the volumes of the diaphragm vacuum pump and the piston vacuum pump are usually 40cm ³ About, the noise is about 40db, and weight is greater than 100g, has large volume, loud noise and heavy shortcoming, leads to the breast pump host computer power consumption fast, continuation of journey is not enough, portability is poor, and ceramic piezoelectric pump is though the volume is less, and power is less, and the suction air current of production is weaker, has the problem of negative pressure inadequately, influences user experience.

Disclosure of Invention

Based on the above background, it is an object of the present utility model to provide a portable breast pump main unit that is small in size, lightweight and low in noise.

In order to achieve the above object, the present utility model provides the following technical solutions:

a portable breast pump host comprising:

the shell is provided with an air inlet pipe which is communicated with the inside of the shell and the outside of the shell;

the multi-way connecting piece is arranged in the shell and is provided with an air inlet end and at least two air outlet ends, and the air inlet end is communicated with the air inlet pipe;

the electromagnetic air valve is arranged in the shell and is positioned between the air inlet end of the multi-way connecting piece and the air inlet pipe;

the air suction nozzle of each ultrasonic piezoelectric air pump is communicated with the air inlet pipe through one air outlet end of the multi-way connecting piece;

the control circuit board is arranged inside the shell and is respectively and electrically connected with the electromagnetic air valve and the ultrasonic piezoelectric air pump.

The ultrasonic piezoelectric air pump utilizes the inverse piezoelectric effect of piezoelectric ceramics to generate ultrasonic vibration, and excites travelling wave on the wall of the pipeline, so that fluid in the pipeline generates travelling wave sound field to drive the fluid to move, thereby generating suction air flow.

Preferably, the ultrasonic piezoelectric air pumps are stacked, and a gap is formed between adjacent ultrasonic piezoelectric air pumps. The ultrasonic piezoelectric air pump that the range upon range of setting effectively saves the installation occupation volume, further reduces the volume of whole portable breast pump host computer, and the heat that produces in time gives off when the operation of single ultrasonic piezoelectric air pump is guaranteed to the clearance between the adjacent ultrasonic piezoelectric air pump, avoids the overheated stop work of ultrasonic piezoelectric air pump.

Preferably, the portable breast pump main unit further comprises a plurality of heat dissipation pieces arranged in the shell, and the heat dissipation pieces are arranged adjacent to the ultrasonic piezoelectric air pump. The heat dissipation piece further improves the temperature stability of the working environment of the ultrasonic piezoelectric air pump.

Preferably, the plurality of heat dissipation elements are arranged between the ultrasonic piezoelectric air pumps in a stacked and staggered mode, and at least one heat dissipation element is arranged on the heating side of each ultrasonic piezoelectric air pump. The above-mentioned setting mode of radiating piece guarantees that the heat that single ultrasonic wave piezoelectricity air pump produced when operation distributes in time.

Preferably, the air inlet pipe is provided with a filter element, and the filter element is arranged along the axial section of the air inlet pipe. The filtering piece can select a filter screen, filter cotton and other parts with airflow filtering functions, and is used for filtering particles such as dust, water vapor and the like, so that the particles are prevented from entering the ultrasonic piezoelectric air pump to influence the service life.

Preferably, the portable breast pump host further comprises a battery arranged in the shell, and the battery is electrically connected with the control circuit board. The battery is used to provide power to the portable breast pump host and to enhance portability of the portable breast pump host.

Preferably, the control circuit board is provided with a primary voltage boosting circuit module and a secondary voltage boosting circuit module which are electrically connected with the battery in sequence, the primary voltage boosting circuit module is used for boosting the output voltage of the battery to 6V-12V, and the secondary voltage boosting circuit module is used for boosting the output voltage of the primary voltage boosting circuit module to 30V-40V. Because the output voltage of the battery is lower, and the output voltage of the battery is difficult to be directly raised to 30V-40V by a conventional boosting mode so that the ultrasonic piezoelectric air pump works normally, the utility model is provided with a primary boosting circuit module and a secondary boosting circuit module, and the voltage for enabling the ultrasonic piezoelectric air pump to work normally is ensured to be output by adopting a two-stage boosting mode.

Preferably, the control circuit board is provided with a first switch circuit module, the first switch circuit module comprises a first switch and a plurality of diodes, the number of the diodes is not less than that of the ultrasonic piezoelectric air pumps, at least two ultrasonic piezoelectric air pumps are electrically connected with the first switch after being electrically connected in parallel, and at least one diode is arranged on a circuit between each ultrasonic piezoelectric air pump and the first switch. The plurality of ultrasonic piezoelectric air pumps are controlled simultaneously through the first switch, the number of the switches is reduced, the cost is reduced, and the diode is used for isolating the single ultrasonic piezoelectric air pump from the first switch, so that the stability of the circuit is ensured.

Preferably, the control circuit board is provided with a second switch circuit module, the second switch circuit module comprises a plurality of second switches, the number of the second switches is matched with that of the ultrasonic piezoelectric air pumps, and each ultrasonic piezoelectric air pump is electrically connected with one second switch respectively. Each ultrasonic piezoelectric air pump is independently controlled by a second switch, so that the control flexibility is improved.

A breast pump comprising a portable breast pump main unit as claimed in any one of the preceding claims.

Compared with the prior art, the utility model has the following advantages:

the portable breast pump main unit disclosed by the utility model combines at least two ultrasonic piezoelectric air pumps into one air flow channel in a parallel communication mode for exhausting, so that the portable breast pump main unit has enough suction force and has the advantages of small volume, light weight and low noise.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an exploded construction of a portable breast pump main unit of the present utility model;

FIG. 2 is a schematic view of the internal structure of the portable breast pump main unit of the present utility model;

FIG. 3 is a schematic view of the structure of the filter element of the present utility model;

FIG. 4 is a schematic view of the construction of the breast pump of the present utility model.

In the figure: 1. a housing; 2. a multi-way connection; 3. an electromagnetic air valve; 4. an ultrasonic piezoelectric air pump; 5. a control circuit board; 6. a heat sink; 7. a battery; 10. a portable breast pump host; 20. a breast shield; 30. a tee; 40. a feeding bottle; 50. a vent pipe; 101. an air inlet pipe; 102. a filter; 201. an air inlet end; 202. an air outlet end; 401. a suction nozzle; 402. an exhaust nozzle.

Detailed Description

The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings. It should be understood that the practice of the utility model is not limited to the following examples, but is intended to be within the scope of the utility model in any form and/or modification thereof.

In the present utility model, unless otherwise specified, all parts and percentages are by weight, and the equipment, materials, etc. used are commercially available or are conventional in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components and devices in the following examples are, unless otherwise indicated, all those components and devices known to those skilled in the art, and their structures and principles are known to those skilled in the art from technical manuals or by routine experimentation.

In the following detailed description of embodiments of the utility model, reference is made to the accompanying drawings, in which, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. However, one or more embodiments may be practiced by one of ordinary skill in the art without these specific details.

The portable breast pump host as shown in fig. 1 and 2 comprises a shell 1, a multi-way connecting piece 2, an electromagnetic air valve 3, three ultrasonic piezoelectric air pumps 4 and a control circuit board 5.

The housing 1 is of split design, the housing 1 being provided with an air inlet duct 101 communicating the interior of the housing 1 with the exterior of the housing 1.

The multi-way connecting piece 2 is arranged inside the shell 1, the multi-way connecting piece 2 is provided with an air inlet end 201 and three air outlet ends 202, and the air inlet end 201 is communicated with the air inlet pipe 101. The number of the air outlet ends 202 is matched with the number of the ultrasonic piezoelectric air pumps 4, and in practical application, the number of the air outlet ends 202 is adjusted according to the number of the ultrasonic piezoelectric air pumps 4.

The electromagnetic valve 3 is disposed inside the housing 1 and between the air inlet end 201 of the multi-way connector 2 and the air inlet pipe 101. The electromagnetic air valve 3 is used for controlling the on-off of the air channel of the air inlet pipe 101.

Three ultrasonic piezoelectric air pumps 4 are arranged inside the shell 1, each ultrasonic piezoelectric air pump 4 is provided with an air suction nozzle 401 and an air discharge nozzle 402, and the air suction nozzle 401 of each ultrasonic piezoelectric air pump 4 is respectively communicated with the air inlet pipe 101 through one air outlet end 202 of the multi-way connecting piece 2. The number of the ultrasonic piezoelectric air pumps 4 can be adjusted according to actual application needs, and the number is guaranteed to be more than two.

The control circuit board 5 is arranged inside the shell 1, and the control circuit board 5 is respectively and electrically connected with the electromagnetic air valve 3 and the ultrasonic piezoelectric air pump 4. The control circuit board 5 is used for controlling the opening and closing of the electromagnetic air valve 3 and the ultrasonic piezoelectric air pump 4, and is used for adjusting the working frequency or the working waveform duty ratio of the ultrasonic piezoelectric air pump 4 so as to adjust the suction force of the end part of the external breast pump 20 on the breast of a human body.

The ultrasonic piezoelectric air pump 4 utilizes the inverse piezoelectric effect of piezoelectric ceramics to generate ultrasonic vibration, and excites travelling waves on the wall of a pipeline, so that fluid in the pipeline generates a travelling wave sound field to drive the fluid to move, thereby generating suction air flow, and the ultrasonic piezoelectric air pump 4 has the advantages of small volume, light weight and low noise, but the generated suction air flow is weaker and the suction force is insufficient, so that at least two ultrasonic piezoelectric air pumps 4 are combined into one air flow channel in a parallel connection mode for suction, and the portable breast pump main machine has enough suction force and has the advantages of small volume, light weight and low noise.

In this embodiment, three ultrasonic wave piezoelectricity air pump 4 range upon range of setting, have the clearance between the adjacent ultrasonic wave piezoelectricity air pump 4, the ultrasonic wave piezoelectricity air pump 4 of range upon range of setting effectively saves the installation occupation volume, further reduces the volume of whole portable breast pump host computer, and the clearance between the adjacent ultrasonic wave piezoelectricity air pump 4 guarantees that the heat that produces when single ultrasonic wave piezoelectricity air pump 4 operates in time gives off, avoids ultrasonic wave piezoelectricity air pump 4 overheated and stop work.

In this embodiment, this portable breast pump host computer still includes four radiating pieces 6 that locate inside the casing 1, and radiating piece 6 is the copper sheet, and radiating piece 6 is adjacent ultrasonic piezoelectric air pump 4 setting, further improves ultrasonic piezoelectric air pump 4 operational environment's temperature stability.

In this embodiment, four heat dissipation elements 6 are disposed between the ultrasonic piezoelectric air pumps 4 in a stacked and staggered manner, and a heat dissipation element 6 is disposed on the heat generating side of each ultrasonic piezoelectric air pump 4, and the above arrangement of the heat dissipation elements 6 ensures timely dissipation of heat generated when a single ultrasonic piezoelectric air pump 4 operates. Of course, the number of the heat dissipation elements 6 can be adaptively adjusted according to the number of the ultrasonic piezoelectric air pumps 4.

In order to avoid that particles enter the ultrasonic piezoelectric air pump 4 to affect the service life, in this embodiment, as shown in fig. 3, the air inlet pipe 101 is provided with a filter element 102, the filter element 102 is disposed along an axial section of the air inlet pipe 101, and the filter element 102 may select a filter screen, a filter cotton and other components with airflow filtering function for filtering particles such as dust and water vapor, and in this embodiment, the filter element 102 is a filter screen, and a plurality of through holes with smaller apertures are uniformly distributed on the surface of the filter element 102.

In order to improve portability of the portable breast pump main unit, in this embodiment, the portable breast pump main unit further comprises a battery 7 disposed inside the housing 1, the battery 7 is electrically connected to the control circuit board 5, and the battery 7 is used for providing power for the portable breast pump main unit. In order to save energy consumption by recycling, the battery 7 in this embodiment is a rechargeable battery 7. Of course, in other embodiments, the portable breast pump host may be connected to an external power source using a power supply module without the battery 7.

Because the output voltage of the battery 7 is lower, and the output voltage of the battery 7 is difficult to be directly raised to 30V-40V by the conventional voltage-raising method so that the ultrasonic piezoelectric air pump 4 works normally, in this embodiment, the control circuit board 5 is provided with a primary voltage-raising circuit module and a secondary voltage-raising circuit module which are electrically connected with the battery 7 in sequence, the primary voltage-raising circuit module is used for raising the output voltage of the battery 7 to 6V-12V, the secondary voltage-raising circuit module is used for raising the output voltage of the primary voltage-raising circuit module to 30V-40V, and the voltage for enabling the ultrasonic piezoelectric air pump 4 to work normally is ensured to be output by adopting the two-stage voltage-raising method.

The control circuit board 5 can adopt two modes for controlling the switch of the ultrasonic piezoelectric air pump 4.

In this embodiment, the control circuit board 5 is provided with a first switch circuit module (not shown in the figure), the first switch circuit module includes a first switch and three diodes, the number of the diodes is matched with that of the ultrasonic piezoelectric air pumps 4, the three ultrasonic piezoelectric air pumps 4 are electrically connected in parallel and then electrically connected with the first switch, and a diode is arranged on a circuit between each ultrasonic piezoelectric air pump 4 and the first switch. Thus, three ultrasonic piezoelectric air pumps 4 are controlled through one first switch at the same time, the number of the switches is reduced, the cost is reduced, and the diode is used for isolating the single ultrasonic piezoelectric air pump 4 from the first switch, so that the circuit stability is ensured.

In another embodiment, unlike the switch control manner of the present embodiment, the control circuit board 5 is provided with a second switch circuit module (not shown in the figure), and the second switch circuit module includes three second switches, which are matched with the number of the ultrasonic piezoelectric air pumps 4, and each ultrasonic piezoelectric air pump 4 is electrically connected with one second switch, so that each ultrasonic piezoelectric air pump 4 is individually controlled by one second switch, and control flexibility is improved.

The embodiment of the utility model also discloses a breast pump, as shown in fig. 4, which is of a split structure and comprises the portable breast pump main unit 10, the breast pump cover 20, the tee piece 30, the milk bottle 40 and the vent pipe 50, wherein one end of the vent pipe 50 is communicated with the air inlet end 201 of the multi-way connecting piece 2 through the air inlet pipe 101, and the other end of the vent pipe 50 is positioned in the milk bottle 40 and is respectively communicated with the breast pump cover 20 and the milk bottle 40 through the tee piece 30.

Of course, the breast pump may be of an integral construction, i.e. the portable breast pump main unit 10, the breast shield 20 and the feeding bottle 40 described above are integrated.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A portable breast pump host, characterized in that: the portable breast pump host comprises:

the device comprises a shell (1), wherein the shell (1) is provided with an air inlet pipe (101) which is communicated with the inside of the shell (1) and the outside of the shell (1);

the multi-way connecting piece (2) is arranged inside the shell (1), the multi-way connecting piece (2) is provided with an air inlet end (201) and at least two air outlet ends (202), and the air inlet end (201) is communicated with the air inlet pipe (101);

the electromagnetic air valve (3) is arranged in the shell (1) and is positioned between the air inlet end (201) of the multi-way connecting piece (2) and the air inlet pipe (101);

the ultrasonic piezoelectric air pumps (4) are arranged in the shell (1), the ultrasonic piezoelectric air pumps (4) are provided with an air suction nozzle (401) and an air exhaust nozzle (402), and the air suction nozzle (401) of each ultrasonic piezoelectric air pump (4) is communicated with the air inlet pipe (101) through one air outlet end (202) of the multi-way connecting piece (2);

the control circuit board (5) is arranged inside the shell (1), and the control circuit board (5) is respectively and electrically connected with the electromagnetic air valve (3) and the ultrasonic piezoelectric air pump (4).

2. The portable breast pump host of claim 1, wherein: the ultrasonic piezoelectric air pumps (4) are arranged in a laminated mode, and gaps are reserved between adjacent ultrasonic piezoelectric air pumps (4).

3. The portable breast pump host of claim 1, wherein: the portable breast pump host also comprises a plurality of radiating pieces (6) arranged in the shell (1), wherein the radiating pieces (6) are arranged adjacent to the ultrasonic piezoelectric air pump (4).

4. The portable breast pump host of claim 3, wherein: the heat dissipation elements (6) are arranged between the ultrasonic piezoelectric air pumps (4) in a stacked and staggered mode, and at least one heat dissipation element (6) is arranged on the heating side of each ultrasonic piezoelectric air pump (4).

5. The portable breast pump host of claim 1, wherein: the air inlet pipe (101) is provided with a filter element (102), and the filter element (102) is arranged along the axial section of the air inlet pipe (101).

6. The portable breast pump host of claim 1, wherein: the portable breast pump host also comprises a battery (7) arranged in the shell (1), and the battery (7) is electrically connected with the control circuit board (5).

7. The portable breast pump host of claim 6, wherein: the control circuit board (5) is provided with a primary voltage boosting circuit module and a secondary voltage boosting circuit module which are electrically connected with the battery (7) in sequence, the primary voltage boosting circuit module is used for boosting the output voltage of the battery (7) to 6V-12V, and the secondary voltage boosting circuit module is used for boosting the output voltage of the primary voltage boosting circuit module to 30V-40V.

8. The portable breast pump host of claim 1, wherein: the control circuit board (5) is provided with a first switch circuit module, the first switch circuit module comprises a first switch and a plurality of diodes, the number of the diodes is not less than the number of the ultrasonic piezoelectric air pumps (4), at least two ultrasonic piezoelectric air pumps (4) are electrically connected with the first switch after being electrically connected in parallel, and at least one diode is arranged on a circuit between each ultrasonic piezoelectric air pump (4) and the first switch.

9. The portable breast pump host of claim 1, wherein: the control circuit board (5) is provided with a second switch circuit module, the second switch circuit module comprises a plurality of second switches, the number of the second switches is matched with the number of the ultrasonic piezoelectric air pumps (4), and each ultrasonic piezoelectric air pump (4) is electrically connected with one second switch respectively.

10. A breast pump, characterized in that: the breast pump comprising a portable breast pump main unit (10) according to any of claims 1 to 9.