KR101099799B1 - The controller of a breast pump - Google Patents

Abstract

PURPOSE: A device for controlling the pressure of an automatic milking machine is provided to generate exact suction force under the constant pressure. CONSTITUTION: A device for controlling the pressure of an automatic milking machine comprises: an inhaler which is formed in a funnel shape and contacts the breast of a woman delivered of a child; a milking machine(10) consisting of a nursing bottle storing breast milk; and a milk pressure control device(20) which controls the discharge of breast milk by the suction force. The control device includes a power management part(21), a controller(22), and a driving part(30).

Description

Pumping pressure regulating device of automatic milking machine. {The controller of a breast pump}

The present invention relates to a device for adjusting the milking pressure (suction input) of the milking machine, which will be described in more detail in the pumping pressure control device of the automatic milking machine to secure the precise and accurate suction force by solving the problems caused by the pressure difference when the milking pressure occurs It is about.

In general, breast milking machines have breast milk if the mother's breast remains or if the infant does not breast milk, at which time the mother feels severe pain (breast bleeding) due to the remaining breast milk. It is a device to squeeze out.

The breast milking machine is divided into manual and electric motors, and the dual electric motors include a funnel-type inhaler in contact with the mother's breast, and a milking machine including a feeding bottle for storing breast milk flowing from the adsorber, and connected to the milking machine to draw suction force. It consists of a pressure regulator comprising a motor and an air cylinder to generate.

In addition, these motorized milkers frequently generate a constant suction force while the piston inside the air cylinder reciprocates by the motor, and thus the suction force is strong, so that the mother feels pain when milking.

In recent years, a pumping pressure device has been developed in which a working plate on which a magnetic body is installed by a linear pump performs a trembling motion from side to side at high speed while allowing a small amount of air in the air tank to be sucked and discharged at a high speed.

However, such a pumping pressure device can provide a precise suction force, but the rubber stopper of the operating plate is peeled off while the operating plate shakes at high speed, so that the air tank and the rubber stopper are often separated from each other. Since a plurality of operating plates are operated by the linear pump, different pressures are generated, which causes a problem of lowering accuracy.

Accordingly, the present invention aims at an oil pressure control device of a milking machine that generates precise and accurate suction force under the same pressure when moving a plurality of operating plates with one motor.

To this end, in the present invention, in the automatic milking machine comprising a breast milking device consisting of a funnel-type inhaler in contact with the mother's breast and a feeding bottle for storing breast milk, a breast pressure control device for forcibly discharging breast milk by the suction force,

The pumping pressure adjusting device of the automatic milking machine has a power management unit for supplying the power necessary for the inside of the case to the control unit, and connected to the power management unit to receive the necessary power to control the operation of the linear pump on / off according to a set time interval for suction power. Control unit for controlling the operation, and when the current flows in the coil of the linear pump and the operating plate is generated by the attraction force or thrust one side is fixed and the magnetic plate is installed on the other side is the attraction force and thrust of the linear pump It comprises a drive unit for sucking or exhausting the air in the air tank by pumping the rubber stopper while moving outward.

According to the present invention, when an electric current flows through a coil of a linear pump, an attraction plate or thrust is generated, and one side is fixed to a wall and the other side is provided with a magnetic body installed on an outside curved portion by the attraction and thrust of the linear pump. By moving outward to pump the rubber stopper of the operation plate, when moving a pair of operation plates with one linear pump, a small amount of air can be sucked at high speed to provide a precise and accurate suction force.

1 is a perspective view of an automatic milking machine according to an embodiment of the present invention.
2 is a plan view of the oil pressure control device according to an embodiment of the present invention.
Figure 3 is a perspective view of the drive unit of the oil pressure control device according to an embodiment of the present invention.
4 is a cross-sectional view showing an operating state of a driving unit according to an embodiment of the present invention.
5 is a cross-sectional view showing an operating state of a driving unit according to an embodiment of the present invention.

Specific details for carrying out the present invention will be described in detail with reference to the accompanying drawings.

First, Figure 1 shows an overall view of the automatic milking machine for carrying out the present invention, Figure 2 is a plan view showing the internal configuration of the oil pressure control device in the automatic milking machine of FIG.

As shown, the present invention is a linear pump in a state consisting of a milking machine (10) consisting of a funnel type inhaler (11) in contact with the mother's breast and the feeding bottle (12) for storing breast milk flowing from the adsorber It includes a breast pressure control device 20 for controlling to discharge the mother milk by the suction force of the.

In particular, at this time, the oil pressure control device 20 is connected to the power management unit 21 and the power management unit 21 for supplying the power necessary for the inside of the case to the control unit 22, the linear pump 31 receives the required power. Control 22 to control the suction force by controlling the operation of On / Off, and when the current flows in the coil of the linear pump 31 is connected to the control unit 22, the attraction or thrust is generated in the same field The driving unit 32 having the magnetic body 32d located therein moves outward to contract the rubber stopper 32f to suck or discharge air in the air tank 33, and the milking machine 10 and Located between the drive unit 30 to prevent the mother's milk inside the bottle 12 to flow back to the outside to affect the drive unit 30 is made to include a backflow prevention container 23 to suppress the noise.

Here, the control unit 22 includes a plurality of buttons for adjusting the suction pressure of the milking machine 10, an LED for indicating and displaying an operation state of the corresponding button as an optical signal when the button is operated, and a command transmitted when the remote controller is operated. A timer for setting a time for the ON / OFF control of the solenoid according to a command instructed through the button or the remote controller, and a solenoid for pumping the ON / OFF control power supply to the linear pump 31 by the receiving communication unit. And an MCU which controls the pumping speed of the operation plate 32 by intermittently controlling the power supplied to the linear pump 31 at a time interval set through the solenoid and the timer.

In this case, the timer has a different time value set according to each button operation, and the set value may be an operation speed of the solenoid. In addition, the time value or speed value is stored in a memory, and the operation is performed by calling a predetermined time value or speed value according to each button operation.

In addition, the pumping speed can be changed according to each designated button, but the suction force can be generated by reading different times or speeds according to a random or programmed sequence during a specific button operation.

In addition, the communication unit is a receiving unit for receiving a command transmitted from the remote control, consisting of an infrared communication unit or an RF communication unit.

In addition, Figure 3 is a perspective view showing the appearance of the drive unit 30 according to an embodiment of the present invention, Figure 4 is a view showing the operation plate 32 is moving when the linear pump 31, as shown, The driving unit 30 is a linear pump 31 which generates an attractive force (pulling force) or thrust (pushing force) when a current flows in the coil, and is spatially separated from the linear pump 31, and one side is fixed and the other The side is located in the magnetic field of the linear pump 31 to actuate or stop the operation plate 32 is opened or retracted by the attraction force or thrust of the linear pump 31 so that the rubber stopper 32f performs the pumping operation. When the rubber stopper 32f performs the pumping operation by covering the plate 32 and the rubber stopper 32f of the operating plate 32 to block the opened hole or the cut-out portion, the inlet 33d and the discharge port External via 33c Groups will be written, including an air tank 33 to ever intake or exhaust.

At this time, one side of the operation plate 32 is formed with a through portion 32a and a holder 32b is provided on the wall surface corresponding thereto, and one side of the operation plate 32 is fitted to the holder 32b and gripped. It is fixed. At this time, as the fastener 32c of an elastic material is inserted between the holder 32b and the through part 32a, the operation plate 32 is tightly fixed to the holder 32b while giving tension to the left and right sides. It was.

In addition, the other side of the operating plate 32 forms a curved surface to the outside, and the magnetic body 32d is installed on the curved surface, so that the operating plate 32 is moved by the attractive force and repulsive force of the linear pump 31. When moving, it was limited to move outward. In addition, a plurality of fixing holes 32e are formed in the center of the operation plate 32, and the operation plate 32 is a linear pump 31 so that the rubber stopper 32f is fastened to the fixing hole 32e. In the middle, the rubber stopper 32f in the middle is pulled or contracted to perform a pumping action.

At this time, the stopper frame 32g is formed inside the rubber stopper 32f, and the stopper groove 33a is formed at the outer edge of the air tank 33, so that the rubber stopper 32f is covered and is flexible during pumping. It is supposed to move. At this time, the amount of air to be pumped is not constant but fluid.

In other words, the amount of air sucked depends on the degree of close contact between the mother's breast and the milking machine. That is, the amount of air pumped by the rubber stopper is small when it is in close contact, and the amount of air pumped by the rubber stopper when it is in close contact, and the suction force is controlled according to the pumping speed.

In addition, the rubber stopper 32f is in a state of covering the cut one side portion of the air tank 33 fixed to the wall surface, and the partition wall separating the inner space and the outer space inside the air tank 33 ( 33b) is formed, and the discharge port 33c and the suction port 33d which suck or discharge external air are formed in the inner space inside the partition 33b. At this time, the discharge pipe 33e and the suction pipe 33f penetrate the partition 33b in the partition 33b, and a plurality of suction holes 33h and discharge holes 33g are formed in the periphery. Each of the non-return filters 33i and 33j are fitted to the suction pipe 33f and the discharge pipe 33e in opposite directions with respect to the partition 33b. At this time, when the air is sucked in, the non-return filter 33j inserted into the one suction pipe 33f opens and sucks the outside air through the suction hole 33h, and conversely, the non-return filter fitted into the other discharge pipe 33e. Reference numeral 33i is opposite to the flow of air to be sucked in, so that the discharge hole 33g is blocked by the backflow prevention filter 33i so that it cannot be discharged.

That is, the present invention, as shown in Figure 4 when the drive unit 30 is a current flows in the linear pump the operating plate 32 is moved to the outside by the attraction or repulsive force of the linear pump 31, The rubber stopper 32f is contracted so that the air in the air tank 33 is discharged to the outside along the open discharge hole 33g.

And, as shown in Figure 5, when the current flowing in the linear pump 31 is cut off, the operating plate 32 is moved inward while the rubber stopper 32f that has been reverted to the original state, at this time The rubber stopper 32f that is used is sucked to the outside through the suction hole 33h.

Therefore, by interrupting the power applied to the linear pump 31, it is possible to generate a suction force, it is possible to generate a precise and accurate suction force by pumping a small amount of air at high speed.

In addition, the wall surface may be implemented in various forms as part of a partition wall or a support or a fixed piece or a built-in box according to the embodiment.

In addition, the operation plate 32 may also be equipped with a plurality of operation plates 32 made of a pair to operate in response to the attraction and thrust of the linear pump 31.

In addition, the lower portion of the drive unit 30 is provided with a non-return cylinder 23 is connected to the suction port 33d and the connection pipe of the air tank 33 in a predetermined enclosure. At this time, the backflow prevention container 23 is for preventing the mother's milk from flowing back into the bottle 12 and affecting the driving unit 30. In addition, the inflow or outflow of the air flows through the backflow prevention unit to prevent noise. This is to minimize the occurrence. At this time, the backflow prevention container 23 is formed in the form of a drawer according to the embodiment to be able to withdraw the backflow prevention container 23 in the inner space to remove the foreign matter or breast milk in the inside.

Therefore, in the present invention, when the operating plate 32 is moved by the attraction force and the repulsive force of the linear pump 31, the other side of the operating plate 32 forms a curved surface to the outside and the magnetic body 32d on the curved surface ), And the rubber stopper 32f is peeled inward when the rubber stopper 32f is pumped by moving the plurality of operating plates 32 with one linear pump 31 to restrict the movement to the outside. It is possible to provide a precise and accurate suction force by suctioning a small amount of air at high speed to prevent the car from generating.

10: Milking machine 11: Suction machine
12: feeding bottle 20: oil pressure regulating device
21: power management unit 22: control unit
23: Backflow prevention bottle 30: Drive part
31: linear pump 32: operating plate
32a: penetrating portion 32b: holder
32c: fixture 32d: magnetic material
32e: fixing hole 32f: rubber stopper
32 g: Hanging frame 33: Air tank
33a: jamming groove 33b: bulkhead
33c: outlet 33d: inlet
33e: discharge pipe 33f: suction pipe
33 g: discharge hole 33 h: suction hole
33i, 33j: Backflow prevention filter

Claims (6)

In the automatic milking machine comprising a milking machine consisting of a funnel-type inhaler in contact with the mother's breast and a feeding bottle for storing breast milk, and a breast pressure control device for forcibly controlling the breast milk by suction force,
The pumping pressure control device of the automatic milking machine has a power management unit for supplying the necessary power to the control unit, and connected to the power management unit to receive the necessary power to control the operation of the linear pump at a set time interval to control the suction power. When the current flows in the coil of the linear pump and the control unit for controlling and the current flows in the coil of the linear manpower or thrust is generated while one side is fixed and the magnetic plate is installed on the other side to the attractive force and thrust of the linear pump And a driving unit which is moved outward to pump the rubber stopper so as to suck or discharge the air in the air tank. The method of claim 1,
The control unit includes a plurality of buttons for adjusting the suction pressure, an LED for expressing and indicating an operation state of the corresponding button as an optical signal when the button is operated, a communication unit for receiving a command transmitted during operation of the remote controller, and a linear pump for the driving unit. Timer to set the solenoid to be pumped by intermittent and pumping the power supplied to the on / off, the time for the ON / OFF control of the solenoid according to the command commanded through the button or the remote control, and the time set by the solenoid and timer An oil pressure control device for an automatic milking machine, characterized in that it comprises an MCU for controlling the pumping speed of the operating plate by intermittent power supplied to the linear pump at intervals. The method of claim 1,
The driving unit is a linear pump that generates attraction or thrust when a current flows in a coil, and is spatially separated from the linear pump, one side of which is fixed to a wall, and the other side of which is located in a magnetic field of the linear pump. When the operation plate is moved outward by the attraction or thrust, the operation plate allows the rubber stopper to perform the pumping operation, and the suction stopper when the rubber stopper performs the pumping operation by covering the open hole or the cut-out area covered with the rubber stopper of the operating plate. And an oil pressure tank of the automatic milking machine, characterized in that it comprises an air tank to suck or discharge the outside air through the outlet. The method of claim 2,
The operating plate has a penetrating portion formed at one side thereof, and a holder is installed at a corresponding wall surface thereof so that one side of the operating plate is fixed to the holder by being inserted into the holder, and the other side forms an outer curved surface and is formed on the curved surface. The magnetic body is installed to move by the attraction or thrust of the linear pump, while in the center of the operating plate, the screw is passed through the fixing hole and the rubber stopper, characterized in that the breast pump pressure adjusting device. The method of claim 1,
The oil pressure regulating device further includes a backflow prevention container positioned between the milking machine and the driving unit to prevent the mother's milk from flowing inside the bottle so as not to affect the driving unit and to suppress noise generation during inhalation. Oil pressure control device of automatic milking machine. The method of claim 4, wherein
A locking groove is formed at an outer edge of the air tank, and a partition wall separating an inner space and an outer space is formed inward, and an outlet port and a suction port for sucking or discharging outside air are formed in the inner space inside the partition wall. The barrier rib is fitted with a discharge pipe and a suction pipe, and a plurality of suction holes and discharge holes are formed around the barrier rib, and a reverse flow prevention filter is fitted to the discharge pipe and the suction pipe in opposite directions. Oil pressure regulating device.

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