CN202143723U

CN202143723U - Automatic breast pump

Info

Publication number: CN202143723U
Application number: CN201120147327U
Authority: CN
Inventors: 陈俊波; 郑鸿升; 林逸平; 陈运阶
Original assignee: 陈俊波
Current assignee: Guangdong good women, maternity products, Limited by Share Ltd
Priority date: 2011-05-05
Filing date: 2011-05-05
Publication date: 2012-02-15
Anticipated expiration: 2021-05-05

Abstract

The utility model discloses an automatic breast pump which can adjust the flow rate and the strength by monitoring the amount of milk liquid. The automatic breast pump comprises a three-way sucking device, a negative-pressure pump, a milk storage bottle and a microprocessor control circuit; the milk storage bottle is provided with a liquid level detecting circuit, a first electrode is adhered on the bottle bottom, a second electrode is adhered on the bottle wall, one end of a capacitor is connected with a connecting point of a first resistor and a second resistor, the other ends of the two resistors are respectively connected with the microprocessor control circuit, and the other end of the capacitor and a grounded terminal of the microprocessor control circuit are respectively connected with the two electrodes; a cup is made of a soft and flexible material, a cup support is sheathed on the outer side of the cup, a ring is arranged at the upper part of the cap support, a step is arranged at the lower part of the cap support; the ring is clung to the edge of the cup, and the cup is carried on the step; when a parturient is in lack of lactation, the microprocessor control circuit adjusts the negative-pressure pump according to signals of the first resistor and the second resistor, the negative pressure is adjusted to a massaging state, and the cup clung to the areola mammae shrinks and resets to knead the areola mannae, thus playing a role of lactogenesis.

Description

A kind of automatic breast pump

Technical field

This utility model belongs to a kind of device that utilizes negative pressure to draw puerpera's milk; Relate to a kind of mode of operation that can control suction means according to the milk amount of drawing; More specifically, be that a kind of milk capacity of storing in the feeding bottle through monitoring is regulated the breast pump of suck speed and intensity.

Background technology

Traditional breast pump generally is made up of negative pressure pump, threeway extractor and storage feeding bottle, wherein, by an end of threeway extractor be communicated with negative pressure pump so that form negative pressure therein; The other end forms or is fixed with a flared gradually cup, and this cup is made with the characteristics of the udder shape of coincideing, so that dock with breast, milk is imported; Simultaneously, is connected with the storage feeding bottle, the milk that is imported by negative pressure is collected through storing feeding bottle at an end again.

Because the generation of negative pressure system is produced by pump automatically; Though intermittence and intensity that negative pressure takes place all can be regulated,, for the primipara; Owing to lack experience or because the situation of self; Be difficult on the contrary, cause the damage that causes puerpera's breast easily owing to selection is improper through regulate selecting comparatively suitable speed or the intensity of sucking to adapt to oneself.

In the prior art, cup uses rigid plastics to process, and its shortcoming is to be not easy to fit with mammary areola, though adopt suction function in breast, in the process of inhaling breast, but can not effectively utilize it mammary areola is massaged, and is unfavorable for promoting galactopoiesis.Have producer to use soft flexible plastic cement to make cup, but its edge of this cup very easily in use overturns, make the cup breast of can not fitting, produce gas leakage and influence is normal uses.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency and a kind of automatic breast pump is provided; This breast pump is regulated speed and the dynamics that sucks through the amount of milk in the monitoring storage feeding bottle; Particularly produce and occur under the insufficient situation at milk; Can utilize cup that mammary areola is massaged, be beneficial to promote the effect of galactopoiesis.

Its purpose is realized by following scheme;

A kind of automatic breast pump; Comprise threeway extractor, negative pressure pump, cup, storage feeding bottle and microprocessor control circuit, wherein, the threeway extractor is the body that one three end is communicated with; Three ends of body are formed with gas path joint, liquid pipeline connector, gas-liquid pipeline connector; Negative pressure pump, storage feeding bottle, cup are communicated with body through gas path joint, liquid pipeline connector, gas-liquid pipeline connector respectively, are characterized in

Be provided with liquid level detection circuit in the storage feeding bottle; Wherein, first electrode paste is at the bottom of storage feeding bottle bottle, and second electrode paste is at storage feeding bottle bottle wall; One end of electric capacity is connected with the junction point of first resistance with second resistance; The other end of first resistance and second resistance is connected on the input/output terminal of microprocessor control circuit, and the other end of electric capacity is connected with second electrode, and the earth terminal of microprocessor control circuit is connected with first electrode;

Cup is processed by soft flexible material, is installed on the glass stand, and a ring is arranged at glass stand top, and a step is arranged at the glass stand bottom; Glass stand is placed in the cup outside, and ring is affixed on the cup edge, and cup is carried on the step;

Microprocessor control circuit is regulated negative pressure pump according to the input signal that first resistance or second resistance provide.

Like this, microprocessor control circuit can be controlled negative pressure pump and produce negative pressure, lets cup that the milk of breast is drawn; And let milk flow into the storage feeding bottle, simultaneously, microprocessor control circuit calculates the amount of storing feeding bottle milk according to first resistance of the liquid level detection circuit of storage feeding bottle or the input electrical signal that second resistance provides; When in the regular hour, the amount of storage feeding bottle milk is still considerably less or when not having, and microprocessor control circuit will be regulated and changed the negative pressure of negative pressure pump generation; Reduce its intensity and accelerate its speed; Negative pressure after the change acts on the breast through cup, is affixed on mammary areola and by the contraction of cup mammary areola is kneaded by cup, and this not only can be avoided the puerpera when lacking milk; With high strength suction function continuously in breast; The damage that possibly cause papilla of breast, and, can play the effect of breast being massaged lactogenic on the contrary.

Description of drawings

Fig. 1 is the sketch map of a kind of specific embodiment of this utility model;

Fig. 2 is the threeway extractor among Fig. 1;

Fig. 3 is the cup of Fig. 2 threeway extractor and the cutaway view of glass stand;

Fig. 4 is the cutaway view of the body of Fig. 2 threeway extractor;

Fig. 5 is the cutaway view of the transition chamber thereof of Fig. 2 threeway extractor.

The specific embodiment

Below in conjunction with accompanying drawing this utility model is detailed:

The automatic breast pump of this embodiment shown in Figure 1 comprises threeway extractor X (containing cup, glass stand), negative pressure pump B, storage feeding bottle P, liquid level detection circuit Y, microprocessor control circuit W, and threeway extractor X and negative pressure pump B link with hose G.

Referring to Fig. 1; Liquid level detection circuit Y comprises and is close to the first electrode slice J1 of storage at the bottom of the feeding bottle, the second electrode slice J2 that is close to storage feeding bottle wall, capacitor C, first resistance R 1, second resistance R 2; Wherein, The first electrode slice J1 connects the earth terminal of microprocessor control circuit W; The second electrode slice J2 is divided into two-way after connecting capacitor C, the one tunnel holds with the PB2 that is connected to microprocessor control circuit W after first resistance R 1 is connected, and hold with the PB3 that is connected to machine microprocessor control circuit W after second resistance R 2 is connected on another road.

With reference to Fig. 2-Fig. 5, threeway extractor X comprises the body 3 that one three end is communicated with, and an end of body 3 is formed with the gas path joint 36 that is connected with negative pressure pump; The other end of body 3 forms gas-liquid pipeline connector 32; An end again of body 3 is formed with the liquid pipeline connector 35 that is communicated with the storage feeding bottle; Body 3 is formed with anchor tip 31 around gas-liquid pipeline connector 32.Cup 1 is made by soft flexible material, is from bottom to top enlarging gradually, and has formed edge 11 and formed pipe joint 12 in last portion at head.A ring 21 is arranged at glass stand 2 tops, and a step 22 is arranged at the bottom, and this step has through hole 22a.From being placed in the outside of cup 1 down, ring 21 can be affixed on 11 places, enlarging edge of cup 1 by glass stand 2; Cup 1 last portion can be positioned on the step 22 of glass stand 2, and pipe joint 12 can pass stepped hole 22a and stretches out; Be socketed in by anchor tip 31 on the step 22 of glass stand 2 and and be fixed on the body 3, be socketed in gas-liquid pipeline connector 32 by pipe joint 12 simultaneously and form being communicated with of body 3 and cup 1 glass stand 2.In addition; In body 3; Separate by a dividing plate 34 between gas-liquid pipeline connector 32 and the gas path joint 36; Directly be not communicated with between them, but communicate with transition chamber thereof 4, and control and guide the outlet of the milk flow direction and get into the storage feeding bottle by the valve block 41 of transition chamber thereof 4 via the transit joint that is arranged in liquid pipeline connector 35 33.

With reference to Fig. 1, by the detection of microprocessor control circuit W, micro machine M is carried out drive controlling according to liquid level detection circuit Y, micro machine M then drives negative pressure pump B through drive mechanism and carries out the piston motion.

The automatic breast pump of this embodiment, during work, the first electrode slice J1 and the second electrode slice J2 constitute two pole pieces of level gauging electric capacity respectively; Milk in the storage feeding bottle constitutes the medium between two electrodes of measuring electric capacity; Along with the liquid level change of milk, thereby between two electrode slices, form a variable capacitance Cb, the capacity of capacitance Cb is directly proportional with the interior milk volume of storage feeding bottle; Because storage feeding bottle sectional area is fixed; Thereby the capacity of capacitance Cb just becomes this with the milk height of storage in the feeding bottle, and therefore, liquid level detection circuit Y can be transformed into the signal of telecommunication to the height of liquid level and input microprocessor control circuit W.When breast pump can not inhaled in the unit interval after startup under milk or the milk situation seldom; The milk liquid level is lower, and variable capacitance Cb is also less, become the signal of telecommunication after input microprocessor control circuit W analyze; Microprocessor control circuit W exports control signal subsequently and is sent to micro machine M; In time adjust the duty of micro machine, reduce suck intensity and its speed that sucks of increase of negative pressure pump B automatically, the machine works state is transferred to massage the state that stimulates the secretion of milk.So, be affixed on mammary areola and mammary areola carried out appropriate kneading by cup by the contraction of cup, can obtain to massage the effect of lactogenic.

Claims

1. automatic breast pump; Comprise threeway extractor, negative pressure pump, cup, storage feeding bottle and microprocessor control circuit; Wherein, the threeway extractor is the body that one three end is communicated with, and three ends of body are formed with gas path joint, liquid pipeline connector, gas-liquid pipeline connector; Negative pressure pump, storage feeding bottle, cup are communicated with body through gas path joint, liquid pipeline connector, gas-liquid pipeline connector respectively, it is characterized in that:

2. according to the automatic breast pump of claim 1, separate by a dividing plate between gas-liquid pipeline connector and the gas path joint, can communicate through the transition chamber thereof that is arranged in the liquid pipeline connector between them, and the below of transition chamber thereof has outlet, and the exit is equipped with valve block.