CN213526721U - Frequency conversion start-up breast pump - Google Patents
Frequency conversion start-up breast pump Download PDFInfo
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- CN213526721U CN213526721U CN202020782488.9U CN202020782488U CN213526721U CN 213526721 U CN213526721 U CN 213526721U CN 202020782488 U CN202020782488 U CN 202020782488U CN 213526721 U CN213526721 U CN 213526721U
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Abstract
The utility model relates to a frequency conversion start breast pump, the controller includes the PCB mainboard, the PCB interface board, button and display panel, including a motor, an end cap, a controller, and a cover plate, solenoid valve and power all are connected with the PCB mainboard electricity, trachea interface, be connected with three-way silicone tube between solenoid valve and the motor, trachea interface is managed and is connected with the breast pump, the controller is still including the central controller MCU that detects PCB mainboard start or mode transform signal and the motor converter of being connected with central controller MCU electricity, the motor converter is connected with the motor electricity. The utility model discloses catch by central controller MCU after start or mode transform signal, the automatic tactics that can install suction by little to big gradual change process according to target gear size of algorithm through central controller MCU, the operating duration of the rotational speed that realizes control motor through PWM signal control motor converter and motor reaches automatically regulated motor suction effect.
Description
Technical Field
The utility model relates to a breast pump, in particular to a frequency conversion starting breast pump.
Background
A problem often encountered by users of electric breast pumps during use of the pump is that the suction force is typically greater in this range since the pump will often remember the last pumping range and mode. If the vacuum pump suction force is not gradually adapted from small to large during a start-up or mode switching, the customer may be greatly uncomfortable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a frequency conversion start breast pump to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a frequency conversion start breast pump, includes as extruding the breast pump of unit and the operating element who is used for operating the breast pump, operating element includes epitheca, inferior valve, controller, power and vacuum unit, the controller includes PCB mainboard, PCB interface board, button and display panel, motor, solenoid valve and power all are connected with PCB mainboard electricity, vacuum unit includes motor, solenoid valve and trachea interface, be connected with the tee bend silicone tube between trachea interface, solenoid valve and the motor, solenoid valve and motor are connected with the controller electricity respectively, trachea interface management is connected with the breast pump, the controller still includes the central controller MCU that detects PCB mainboard start or mode transform signal and the motor converter of being connected with central controller MCU electricity, the motor converter is connected with the motor electricity.
As a further aspect of the present invention: the display panel and the keys are mounted on the upper shell and are respectively electrically connected with the PCB main board, an opening for the penetration of a PCB interface board is arranged at the joint of the upper shell and the lower shell, and the PCB interface board is electrically connected with a power supply.
As a further aspect of the present invention: and a motor damping shell for fixing the motor on the lower shell is arranged in the mounting cavity.
As a further aspect of the present invention: the power supply is a rechargeable power supply.
As a further aspect of the present invention: and a damping ring is arranged at the outer bottom of the lower shell.
Compared with the prior art, the beneficial effects of the utility model are that: when the automatic suction-type breast milk machine is used, the controller controls the on and off of a circuit between the power supply and the vacuum unit and between the power supply and the negative ion generator, the vacuum unit and the negative ion generator are turned on or off, the vacuum unit generates negative pressure and forms negative pressure in the breast receiving funnel through the tube and the main body, the breast is squeezed by the negative pressure to collect milk, the collected milk is stored in the collecting container, in addition, when the machine is started, after a starting-up or mode conversion signal is captured by the central controller MCU, a strategy of gradually changing the suction force from small to large is automatically installed according to the size of a target gear through an algorithm of the central controller MCU, the strategy comprises the steps of calculating initial suction force, target suction force and transition time, after the calculation is finished, the motor frequency converter is controlled through a PWM signal to control the rotating speed of the motor and the working time of. Thus, the user can have a comfortable adaptation process when starting up and switching modes.
Drawings
Fig. 1 is a schematic structural diagram of the variable-frequency starting breast pump of the present invention;
fig. 2 is an exploded view of the variable-frequency starting breast pump of the present invention.
In the figure:
1. a breast pump; 101. a main body; 102. a breast receiving funnel; 103. a collection container;
2. an operation unit; 21. an upper shell; 22. a lower case; 221. a negative ion generating port;
23. a controller; 231. pressing a key; 232. a display panel; 233. a PCB main board; 234. a PCB interface board;
24. a power source;
25. a vacuum unit; 251. a motor; 252. a three-way silicone tube; 253. an electromagnetic valve; 254. a motor damping shell; 255. a tracheal tube interface;
26. a mounting cavity;
27. a damping ring;
3. and a negative ion generator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the invention, a variable frequency start-up breast pump comprises a breast pump 1 as an extrusion unit and an operating unit 2 for operating the breast pump, the operating unit 1 and the extrusion unit 2 being connected to each other separately by a pipe (not shown) or the operating unit 2 being mounted to the extrusion unit 2, the breast pump 1 having a main body 101, a breast receiving funnel 102 and a collection container 103, the collection container 103 collecting milk expressed from a user's breast possibly taking the form of a feeding bottle or bag, the collection container 103 being attached to the main body 101 by a screw joint, the breast receiving funnel 102 being configured to receive the user's breast, the main body 101 being formed of polypropylene, but it will be appreciated that alternative suitable materials may be used. The main body 101 is detachable from the breast receiving funnel 102.
The operating unit 2 includes an upper case 21, a lower case 22, a controller 23, a power supply 24 and a vacuum unit 25, the upper shell 21 and the lower shell 22 enclose to form an installation cavity 26, the vacuum unit 25 comprises a motor 251, an electromagnetic valve 253, an air pipe interface 255 and a three-way silicone tube 252, the air pipe interface 255, the electromagnetic valve 253 and the motor 251 are communicated by a three-way silicone tube 252, the electromagnetic valve 253 and the motor 251 are respectively and electrically connected with the controller 23, the air pipe interface 255 is connected with the breast pump 1 through a pipe, the controller 23 includes a PCB main board 233, a PCB interface board 234, keys 231 and a display panel 232, the display panel 232 and the keys 231 are mounted on the upper case 21 and electrically connected to the PCB main board 233 respectively, the joint of the upper shell 21 and the lower shell 22 is provided with an opening 28 for the PCB interface board 234 to penetrate, the motor 251, the solenoid valve 253 and the power supply 24 are all electrically connected with the PCB main board 233. The PCB interface board 234 is connected to a power supply.
The controller 23 further includes a central controller MCU (not shown in the figure) for detecting a power-on or mode conversion signal of the PCB main board 233, and a motor frequency converter (not shown in the figure) electrically connected to the central controller MCU, and the motor frequency converter is electrically connected to the motor.
In use, the controller 23 controls the on and off of the circuit between the power supply 24 and the vacuum unit 25 and the negative ion generator 3 to open or close the vacuum unit 25 and the negative ion generator 3, the vacuum unit 25 generates negative pressure to form negative pressure in the breast receiving funnel 102 through the tube and the main body 101, the negative pressure is used for squeezing the breast to collect milk, and the collected milk is stored in the collecting container 103.
When the motor is started, after a starting or mode conversion signal is captured by the central control unit MCU, a strategy of gradually changing the suction force from small to large is automatically installed according to the size of a target gear through an algorithm of the central control unit MCU, the strategy comprises calculating initial suction force, target suction force and excessive time, after calculation is completed, the motor frequency converter is controlled through a PWM signal to control the rotating speed of the motor and the working time of the motor, and the effect of automatically adjusting the suction force of the motor is achieved. Therefore, a user can have a comfortable adaptation process when starting and switching the mode, and the function that the suction force of the vacuum pump gradually changes from small to large is added when starting and switching the mode. The duration of the fade process varies, typically from 2 to 8 seconds, depending on the gear.
The breast pump further comprises an anion generator 3 capable of generating anions, wherein the anion generator 3 is positioned in the mounting cavity 26 and is electrically connected with the controller 23. When the vacuum unit 25 is started to realize milking, the controller 23 simultaneously turns on the negative ion generator 3, the negative ion generator 3 generates negative oxygen ions, and the air quality around breast pumping is purified, so that the breast pumping efficiency is improved by about 20 percent, because of the increase of the negative oxygen ions, the functions of cerebral cortex and mental activity are enhanced, the spirit is stimulated, the working benefit is improved, the sleep quality is improved, the oxidizing process strength of the brain tissue is enhanced by the negative oxygen ions, the brain tissue obtains more oxygen, because the negative ions enter the human body through the respiration, and the vital capacity can be improved. Meanwhile, the negative ions can promote the oxidation-reduction process of the organism, activate the enzyme system in the body, promote the synthesis and storage of vitamins in the body, promote the metabolism of the organism, reduce the content of lactic acid in blood, eliminate fatigue and improve the working efficiency. The negative oxygen ions expand coronary artery to increase coronary blood flow, improve myocardial function, regulate heart rate to restore blood vessel reaction and blood flow rate, relieve angina pectoris, and restore normal blood pressure. If we inhale right amount of anion every day, make people vigorous and eliminate fatigue and lassitude.
In addition, according to the journal of China, "chemical teaching", article number: 1005-6629 (2015) 1-0092-04, which describes the principle of purifying air with negative ions. It can be clearly understood that the negative ions have a significant effect on improving the air quality, and therefore, when the breast pump with negative ions of the present invention is used, the effect of negative oxygen ions on the human body is used to improve the breast pumping efficiency, and the breast pumping efficiency is synergistically improved.
In addition, the breast pump with negative ion provided by the utility model is used as an embodiment group, the breast pump without a negative ion emitter is used as a comparison group, then the breast pumping efficiency is compared, the obtained data is shown in table 1,
table 1:
| item | Milk absorption amount (ml/min) |
| Group of embodiments | 5-10 |
| Control group | 3-5 |
Based on table 1, the utility model discloses a breast pump with anion can show and improve breast pumping efficiency, has improved about 20% compared the breast pump that does not install anion generator breast pumping efficiency.
In this embodiment, the negative ion generator 3 is fixed at the bottom of the lower shell 22, and the lower shell 22 is provided with a negative ion generating opening 221 for the transmitting end of the negative ion generator 3 to penetrate through. The anion generating port 221 is provided on the lower case 22 to hide the emitting end of the ionizer 3, thereby ensuring the aesthetic appearance of the control unit.
In this embodiment, a motor damping housing 254 for fixing the motor 251 to the lower case 22 is provided in the mounting chamber 26. The motor damping housing 254 can damp the motor 251, thereby reducing noise during operation of the motor 251.
In this embodiment, a damping ring 27 is mounted on the outer bottom of the lower case 22. The damping ring 27 is arranged at the outer bottom of the lower shell 22, so that good damping effect can be achieved, and noise reduction effect can be achieved when the breast pump is used.
As can be appreciated, the power supply 24 is a rechargeable power supply, and a charging wire is externally connected to the PCB interface board 234 to charge the power supply 24, so that the convenience of the breast pump in use is improved.
It can be understood that the model of the central controller MCU is STC8F2K32S4, and any other model of central controller MCU can be used to adjust the rotation speed of the motor frequency converter and the working time of the motor.
It is understood that the anion generator 3 is model TFB-74. Of course, other types of negative ion generators capable of generating negative oxygen ions are also possible.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a frequency conversion start breast pump, includes as the breast pump of extruding the unit and the operating element who is used for operating the breast pump, a serial communication port, operating element includes epitheca, inferior valve, controller, power and vacuum unit, the controller includes PCB mainboard, PCB interface board, button and display panel, the vacuum unit includes motor, solenoid valve and trachea interface, motor, solenoid valve and power all are connected with PCB mainboard electricity, be connected with the tee bend silicone tube between trachea interface, solenoid valve and the motor, solenoid valve and motor are connected with the controller electricity respectively, trachea interface management pipe is connected with the breast pump, the controller still includes central controller MCU that detects PCB mainboard start or mode transform signal and the motor converter of being connected with central controller MCU electricity, the motor converter is connected with the motor electricity.
2. The variable-frequency startup breast pump according to claim 1, wherein the display panel and the keys are mounted on the upper shell and electrically connected to the PCB main board, respectively, an opening for the PCB interface board to pass through is provided at a joint of the upper shell and the lower shell, and the PCB interface board is electrically connected to a power supply.
3. The variable-frequency startup breast pump according to claim 2, wherein the upper shell and the lower shell enclose a mounting cavity, and a motor damping shell for fixing the motor on the lower shell is arranged in the mounting cavity.
4. The variable frequency powered breast pump of claim 1, wherein said power source is a rechargeable power source.
5. The variable frequency start-up breast pump according to claim 1, wherein a damping ring is mounted on the outer bottom of the lower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020782488.9U CN213526721U (en) | 2020-05-12 | 2020-05-12 | Frequency conversion start-up breast pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020782488.9U CN213526721U (en) | 2020-05-12 | 2020-05-12 | Frequency conversion start-up breast pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213526721U true CN213526721U (en) | 2021-06-25 |
Family
ID=76474702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020782488.9U Active CN213526721U (en) | 2020-05-12 | 2020-05-12 | Frequency conversion start-up breast pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213526721U (en) |
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2020
- 2020-05-12 CN CN202020782488.9U patent/CN213526721U/en active Active
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