CN113813461A

CN113813461A - Electric breast pump and method for performing stable-pressure breast pumping by using same

Info

Publication number: CN113813461A
Application number: CN202111016941.0A
Authority: CN
Inventors: 李阔
Original assignee: Zhejiang Xier Technology Co Ltd
Current assignee: Zhejiang Xier Technology Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-12-21

Abstract

The invention discloses an electric breast pump and a method for performing stable-pressure breast pumping by using the same, wherein the electric breast pump comprises an electric air pump, a pressure sensor, an electromagnetic air valve, a control PCB (printed circuit board) and an air pipe, a milk storage bottle and a milk pumping cover, wherein the electric air pump, the pressure sensor and the electromagnetic air valve are communicated and connected with an air pipe interface, and the control PCB is respectively connected with the electric air pump, the pressure sensor and the electromagnetic air valve; the pressure sensor is used for detecting the suction force on the air path; the air pipe interface is externally connected with an air pipe, a milk storage feeding bottle and a milk sucking cover.

Description

Electric breast pump and method for performing stable-pressure breast pumping by using same

Technical Field

The invention belongs to the technical field of mother and infant articles, and particularly relates to an electric breast pump and a method for performing stable-pressure breast pumping by using the same.

Background

The breast milk is the most ideal natural food for the newborn, almost contains all nutrient substances required by the infant, can meet the growth requirement of the infant, contains a large amount of immunocompetent substances, particularly colostrum, and can greatly enhance the resistance and the immunity of the infant. However, under the influence of some factors, postpartum puerperae has a plurality of problems of delayed milk secretion, insufficient milk secretion, milk expansion and the like, which bring a lot of troubles and pains to the psychophysiology of puerperae, besides, most puerperaes consume a lot of physical energy during childbirth, and in addition, the physiological functions of the puerperae are not coordinated due to the influence of poor emotions such as tension, anxiety and the like in the gestation period and the childbirth period, so that the milk secretion is insufficient, or the milk secretion is not smooth due to insufficient congenital conditions, ineffective sucking of newborns and the like, the breast is distended and painful, even mastitis, cracked nipple and the like are caused, the pain of the puerperae is increased, and the success rate of breast feeding is influenced at the same time. The milk mainly comprises the following components: when a baby sucks milk or a mother milks, milk flowing out from the breast first is called front milk, and milk flowing out from the breast later is called rear milk. Both are mainly some differences in composition, but both have very important physiological functions. The former milk is thin, mainly 'thirst quenching', contains more proteins, and is particularly related to the improvement of the immunity of babies by various specific immune proteins of breast milk. The milk is thick and contains more fat, and can meet the requirement of energy of the baby in the later period of sucking. The main effect of post-milk is "meat growth".

As an auxiliary tool for nursing, an electric breast pump is a tool for expressing breast milk accumulated in a breast using an electric air pump as a power source. Conventional electric breast pumps are well established. Generally, the infant formula is suitable for the situation that the infant cannot directly suck breast milk or the problem occurs to the nipple of the breast of the mother, and the infant still wants to feed breast milk although the infant formula is in constant work. Traditional electronic breast pump adopts the electronic air valve control electric air pump output to inhale the milk suction, but inhales the milk dynamics and mostly sets up to fixed pressure value, perhaps is difficult to control at specific pressure value, just causes easily to inhale the milk in-process and inhales the milk dynamics change shakiness, inhale the milk volume not enough, the poor scheduling problem of back milk evacuation. Therefore, research and improvement on the milk sucking mode of the traditional breast pump are still needed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an electric breast pump and a method for performing stable-pressure milk suction by using the same.

In order to achieve the purpose, the invention adopts the following technical scheme: the electric breast pump comprises an electric air pump, a pressure sensor, an electromagnetic air valve, a control PCB (printed circuit board) and an air pipe, a milk storage bottle and a milk sucking cover, wherein the electric air pump, the pressure sensor and the electromagnetic air valve are communicated and connected with an air pipe interface, and the control PCB is respectively connected with the electric air pump, the pressure sensor and the electromagnetic air valve; the pressure sensor is used for detecting the suction force on the air path; the air pipe interface is externally connected with an air pipe, a milk storage feeding bottle and a milk sucking cover.

Furthermore, the electric air pump, the pressure sensor and the electromagnetic air valve are communicated through a four-way valve, and four ports of the four-way valve are respectively connected with the electric air pump, the pressure sensor, the electromagnetic air valve and the air pipe interface.

Furthermore, the electric air pump, the pressure sensor and the electromagnetic air valve are communicated through two three-way valves, three interfaces of the first three-way valve are respectively connected with the air pipe interface, the electromagnetic air valve and one interface of the second three-way valve, and the other two interfaces of the second three-way valve are respectively connected with the pressure sensor and the electric air pump.

Furthermore, the electric air pump, the pressure sensor and the electromagnetic air valve are communicated through two three-way valves, three interfaces of the first three-way valve are respectively connected with the air pipe interface, the pressure sensor and one interface of the second three-way valve, and the other two interfaces of the second three-way valve are respectively connected with the electric air pump and the electromagnetic air valve.

Further, the pressure sensor is a silicon piezoresistive MEMS pressure sensor.

Furthermore, the air pump further comprises an adjusting knob used for adjusting the suction force of the electric air pump, and the adjusting knob is connected with the control PCB.

The invention also provides a method for performing stable-pressure milk suction by using the electric breast pump, which comprises the following steps:

step one, starting an electric air pump, and sucking milk according to a single suction mode;

step two, when the milk first pumping time is reached, judging whether the pumping force of the electric air pump is manually adjusted or not in the milk first pumping time, and recording the pressure value of the pressure sensor and storing the pressure value as an optimal pressure pre-stored value;

reading a sampling value of the current pressure sensor, comparing the sampling value with an optimal pressure prestored value, and automatically adjusting the electric air valve to change the suction force of the electric air pump when the sampling value is greater than or less than the optimal pressure prestored value so that the sampling value is consistent with the optimal pressure prestored value;

step four, stopping sucking milk.

Further, the single suction mode is specifically:

s11, closing the electromagnetic air valve, and starting the electric air pump to pump;

s12, stopping suction by the electric air pump after the preset time is reached; the pressure sensor samples the pressure on the suction gas path;

s13, opening the electric air valve to recover the suction air path of the electric air pump until the release time of the electric air valve is reached;

s14, repeating the steps S11-S13.

Further, in the second step, a factory preset value is pre-stored, and when the suction force is manually adjusted, the factory preset value is replaced by the pressure value detected by the pressure sensor during the adjustment, and the pressure value is used as an optimal pressure pre-stored value.

Further, the sampling value is an average value in a preset time period.

By adopting the technical scheme of the invention, the invention has the beneficial effects that: the electric breast pump is provided with the pressure sensor for monitoring the suction force of the air path, so that the influence on the breast pumping effect caused by too large or too small suction force is avoided, and the breast comfort degree in the pumping process is improved; meanwhile, the user can automatically adjust the most suitable suction force, the stable suction force is ensured by automatic monitoring and adjustment, the constant suitable pressure on the breasts in the using process is ensured, the later milk discharge is more thorough if the milk is emptied, and the breast health of the puerpera is facilitated; the whole breast pump is simple in structure, convenient and quick to use and adjust, and the maximum pressure value threshold value is arranged, so that the use safety is guaranteed.

Drawings

FIG. 1 is a schematic diagram of a host;

FIG. 2 is a top view of the front of the host;

FIG. 3 is a schematic view of the structure of FIG. 2 taken along line A-A;

FIG. 4 is a first schematic view of the mounting of the structure of FIG. 3 in the direction B-B with other devices;

FIG. 5 is a second mounting schematic of the structure of FIG. 3 in the direction B-B with other devices;

FIG. 6 is a third schematic view of the B-B configuration of FIG. 3 with other components mounted;

FIG. 7 is a schematic diagram of the connection of the components of the electric breast pump;

FIG. 8 is a flow chart of a single milk elicitation and sampling method;

fig. 9 is a flow chart of intelligent milk elicitation.

In the figure: the multifunctional nursing device comprises a main machine 1, a power supply interface 11, an air pipe interface 12, a three-way valve 2, an air pipe 3, a control PCB (printed circuit board) 4, a milk storage bottle 5, a milk sucking bra 6, a pressure sensor 7, a storage battery 8, an electromagnetic air valve 9, an electric air pump 10, a four-way valve 101, a cover 102, a base 103, an operation display PCB 104, an operation display part 105, an adjusting knob 106, a function key 107 and a power converter 108.

Detailed Description

The technical scheme of the invention is further described and illustrated by specific embodiments below, so that the invention is clearer and more obvious. Other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

As shown in fig. 1-3, the present embodiment relates to an electric breast pump, which includes an electric air pump 10, a pressure sensor 7, an electromagnetic air valve 9, a control PCB 4, an air tube 3, a milk storage bottle 5, and a milk suction cup 6, wherein the electric air pump 10, the pressure sensor 7, and the electromagnetic air valve 9 are connected to an air tube interface 12, and the control PCB 4 is connected to the electric air pump 10, the pressure sensor 7, and the electromagnetic air valve 9, respectively; the pressure sensor 7 is used for detecting the suction force on the air path; the air pipe connector 12 is externally connected with an air pipe 3, a milk storage feeding bottle 5 and a milk sucking cover 6.

In a first specific embodiment, as shown in fig. 4, the electric air pump 10, the pressure sensor 7 and the solenoid valve 9 are communicated through a four-way valve 101, and four ports of the four-way valve 101 are respectively connected with the electric air pump 10, the pressure sensor 7, the solenoid valve 9 and the air pipe connector 12.

In a second specific embodiment, as shown in fig. 5, the electric air pump 10, the pressure sensor 7 and the electromagnetic air valve 9 are communicated through two three-way valves 2, three ports of the first three-way valve are respectively connected with the air pipe port 12, the electromagnetic air valve 9 and one port of the second three-way valve, and the other two ports of the second three-way valve are respectively connected with the pressure sensor 7 and the electric air pump 10.

In a third specific embodiment, as shown in fig. 6, the electric air pump 10, the pressure sensor 7 and the electromagnetic air valve 9 are communicated through two three-way valves 2, three ports of the first three-way valve are respectively connected with the air pipe port 12, the pressure sensor 7 and one port of the second three-way valve, and the other two ports of the second three-way valve are respectively connected with the electric air pump 10 and the electromagnetic air valve 9.

In order to facilitate moving and carrying, the breast pump also comprises a storage battery 8, wherein the storage battery 8 is respectively connected with the electric air pump 10, the electromagnetic air valve 9, the control PCB 4 and the pressure sensor 7.

In order to meet different requirements of different users on the comfort of the milk suction strength, the breast pump also comprises an adjusting knob 106 for adjusting the suction force of the electric air pump 10, wherein the adjusting knob 106 is connected with the control PCB 4, namely the suction force in the milk suction process is controlled.

Specifically, the function keys 105 in the main body 1 of the present embodiment include lactation promotion, direct suction, analgesia, massage, intelligent milk suction and switch, and different current outputs are adopted for different functions. The switch is used for controlling the host to start or close the power supply and start or stop working.

In this embodiment, the pressure sensor 7 is a silicon piezoresistive MEMS pressure sensor. The electric air pump 10, the pressure sensor 7, the electromagnetic air valve 9, the control PCB 4 and other components are all arranged in the host 1, the host 1 is composed of a cover 102 and a base 13, the upper surface of the cover 102 is provided with a display operation part 105, and an adjusting knob, a function key, a display screen and the like are all arranged on the display operation part 105. The operation display PCB board 104 corresponding to the display operation part 105 is connected to the control PCB board 4.

As a preferred embodiment, the control chip in the control PCB board 2 preferably adopts a zhongying G80F907 touch type MCU. The integrated 8-channel touch key is an enhanced 8051 microcontroller integrating an 8-channel touch key, 12-bit PWM and a 12-bit ADC, is a high-speed and high-efficiency 8051 compatible singlechip, and has timing and timing functions. The touch key can meet a plurality of functional requirements of the breast pump. The pressure value before the unexpected power failure is monitored and stored by the memory with the power failure storage data.

The power interface 11 is connected to each component in the host 1 through a power converter 108, and the power converter 108 converts the commercial power into the voltage required by the operation of each component in the host 1 to supply power for the operation of each component.

The breast pump also comprises a storage battery 8, wherein the storage battery 8 is respectively connected with the electric air pump 10, the electromagnetic air valve 9, the control PCB 4 and the TENS electric pulse generator 7. The portable power supply is convenient to move and carry on occasions without power supply, and is not limited by the position and the place of an external power supply.

Specifically, the function buttons 107 in the main body of the embodiment include lactation promotion, direct suction, analgesia, massage, intelligent milk suction and switch. The switch is used for controlling the start or stop of the power supply of the host machine and the working state of the host machine

This embodiment is through sampling electronic breast pump pressure value of suckleing, and the whole process of control is suckleing pressure variation, and through the suction of the electronic pneumatic pump of pressure variation value dynamic adjustment, it bears constant pressure to ensure whole process breast for the sky more that back milk is arranged, and the volume of discharging milk is more sufficient, does benefit to the breast health. The problem of current breast pump work always after the user has adjusted the suction, but along with milk discharge more, the breast becomes soft, under the same circumstances of electric air pump suction, the breast atress diminishes, and back milk discharges to a certain extent, just can't get rid of, leads to discharging milk volume few, and the breast deposits milk and leads to some to verify, deposit milk is solved.

Corresponding to the above electric breast pump, as shown in fig. 9, the present embodiment further provides a method for performing stable pressure breast pumping by using the above electric breast pump, including the following steps:

step four, stopping sucking milk.

The first step of the method is mainly to suck and discharge the front milk, and the other steps are to discharge the rear milk.

Preferably, in the second step, a factory preset value is pre-stored, and when the suction force is manually adjusted, the factory preset value is replaced by the pressure value detected by the pressure sensor during the adjustment, and the pressure value is used as an optimal pressure pre-stored value.

Preferably, the sampling value is an average value in a preset time period.

The intelligent milk sucking function work flow is as follows: starting milk suction, starting the user to suck the first milk for 1-3 minutes, if the suction is manually adjusted during the detection period, recording the pressure value of the air passage passing through the air pressure sensor by the singlechip, updating the pre-stored value (the factory preset value) of the optimal milk suction pressure in the memory stored in the control circuit in a power-off state, reading the sampling value- > of the pressure sensor, comparing the sampling value with the pre-stored value- > preset in the memory, if the sampling value is larger than the pre-stored value, controlling the electric air valve to reduce the suction force, otherwise, increasing the suction force until the sampling value is consistent with the pre-stored value, and repeating the steps until the milk suction is finished. The breast bears constant negative pressure during the whole milk sucking process, and the milk is effectively ensured to be emptied.

As shown in fig. 8, the single suction mode is specifically:

s14, repeating the steps S11-S13.

Specifically, in the process of pumping milk by the breast pump, the pressure in the air path of the breast pump is sampled in the whole process, and in the single pumping and sampling method, the process of sampling suction by the pressure sensor is as follows: closing the electromagnetic air valve- > starting the electric air pump to suck- > finishing the suction of the electric air pump- > sampling 0.5-1S average value by the pressure sensor- > opening the electric air valve to recover air in the air path, and circularly developing in the way. The pressure of the gas circuit can be sampled according to the method in any working process of starting the functions of the electric air pump and the electromagnetic air valve.

It should be noted that the drawings provided in the above embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.

The invention can also include other equivalent embodiments, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. The electric breast pump is characterized by comprising an electric air pump, a pressure sensor, an electromagnetic air valve, a control PCB (printed circuit board) and an air pipe, a milk storage bottle and a milk sucking cover, wherein the electric air pump, the pressure sensor and the electromagnetic air valve are communicated and connected with an air pipe interface, and the control PCB is respectively connected with the electric air pump, the pressure sensor and the electromagnetic air valve; the pressure sensor is used for detecting the suction force on the air path; the air pipe interface is externally connected with an air pipe, a milk storage feeding bottle and a milk sucking cover.

2. The electric breast pump as set forth in claim 1, wherein the electric air pump, the pressure sensor and the solenoid valve are connected by a four-way valve, and four ports of the four-way valve are connected to the electric air pump, the pressure sensor, the solenoid valve and the air pipe interface, respectively.

3. The electric breast pump as set forth in claim 1, wherein the electric air pump, the pressure sensor and the solenoid valve are connected by two three-way valves, three ports of the first three-way valve are connected to the air pipe port, the solenoid valve and one port of the second three-way valve, and the other two ports of the second three-way valve are connected to the pressure sensor and the electric air pump.

4. The electric breast pump as set forth in claim 1, wherein the electric air pump, the pressure sensor and the electromagnetic air valve are connected by two three-way valves, three ports of the first three-way valve are connected to the air pipe port, the pressure sensor and one port of the second three-way valve, and the other two ports of the second three-way valve are connected to the electric air pump and the electromagnetic air valve, respectively.

5. The electric breast pump of claim 1 wherein the pressure sensor is a silicon piezoresistive MEMS pressure sensor.

6. The electric breast pump as set forth in claim 1 further comprising an adjustment knob for adjusting the suction force of the electric air pump, the adjustment knob being connected to the control PCB board.

7. A method for performing pressure-stabilizing milk suction by using an electric breast pump is characterized by comprising the following steps:

step four, stopping sucking milk.

8. The method for constant-pressure milk pumping by using an electric breast pump as claimed in claim 1, wherein the single pumping mode is specifically as follows:

s14, repeating the steps S11-S13.

9. The method for constant-pressure milk pumping with an electric breast pump as claimed in claim 7, wherein in the second step, a factory preset value is pre-stored, and when the suction force is manually adjusted, the pressure value detected by the pressure sensor during the adjustment is replaced with the factory preset value as the optimal pre-stored pressure value.

10. The method of claim 7, wherein the sampled values are averaged over a predetermined period of time.