KR20180126885A - Vacuum pump system - Google Patents

Abstract

The present invention provides a vacuum pump system having a simple structure, easily manufactured, and easily applied to existing pump systems in the field, which includes: a motor; a housing having a chamber disposed therein with an impeller rotatably connected to a rotating shaft of the motor, an inlet for introducing a fluid into the chamber and coupled to an inlet pipe for receiving the fluid, and an outlet through which the fluid is discharged from the chamber; an air discharge pipe in which air remaining in the inlet, the inlet pipe, and the chamber moves; and a vacuum mechanism for discharging the air moving through the air discharge pipe to the outside; a control mechanism for receiving power from a power supply unit through preset data to control the drives of the motor and the vacuum mechanism, wherein the air discharge pipe is provided with a first one-way check valve to prevent the fluid from flowing backward from the vacuum mechanism toward the chamber, the outlet is provided with a second one-way check valve to prevent the fluid from flowing backward toward the chamber through the outlet, the air discharge pipe positioned between the vacuum mechanism and the first one-way check valve is provided with a drain pipe for discharging the fluid to the outside, and the drain pipe is provided with a drain valve driven by the control mechanism.

Description

[0001] Vacuum pump system [0002]

More particularly, the present invention relates to a vacuum pump for sucking air remaining in a chamber at an initial stage of a pump operation by forcibly discharging air to the outside to generate a vacuum pressure by itself. More specifically, . And more particularly, to an economical vacuum forced-aspiration pump system that can be easily applied to pump systems disposed at existing sites.

Generally, a pump is a device that pumps the fluid upward to forcibly move the fluid when the fluid is below the discharge port, and is used to move or circulate the fluid.

The pump is designed to be fully filled with water in the pump chamber at the initial stage of operation. In the past, a pump or a water-ring type vacuum pump, which is manually operated or continuously supplied with a certain amount of water, The air inside the pump chamber is evacuated to make the pump vacuum.

However, when the conventional pump and the water pump type vacuum pump are used to pump water containing a lot of sludge, it is necessary to initially fill the inside of the pump chamber with water.

That is, when air remains in the inside of the pump chamber, the vacuum pump is not properly provided, and the workability is deteriorated.

The applicant of the present invention has proposed a vacuum pump for sucking fluid in a vacuum state by forming the inside of the pump chamber into a vacuum state without initially being filled with water to solve the conventional problems as described above .

[0004] As described above, the vacuum force pulling pump proposed by the present applicant is Korean Patent Registration No. 10-791044 (name: vacuum force pulling pump). The vacuum pulling force pump is, as known in the art, And an air discharge means for discharging the air in the pumping chamber to the outside, and a one-way check valve is installed to prevent the fluid from flowing back to the discharge port of the pumping chamber, By forcibly discharging the fluid to the outside to generate a pressure difference, it is possible to more easily move the fluid pumped by the motor, thereby shortening the working time and minimizing the power consumption, thereby improving the efficiency of the work.

1, Korean Patent Registration No. 10-791044

However, the vacuum pump system of the prior art as described above has a problem in that it is complicated in structure due to the provision of separate air shutoff devices and is difficult to apply to pump systems disposed in the existing field.

As a result, there were uneconomical problems.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a vacuum cleaner which is capable of forcibly discharging air remaining in a chamber to the outside, In particular, the structure is simple and easy to manufacture. The present invention also provides an economical vacuum forced-suction pump system that can be easily applied to pump systems disposed at existing sites.

In order to accomplish the above object, according to the present invention, there is provided a vacuum rigid suction pump system comprising: a motor; A chamber having an impeller rotatably connected to a rotation shaft of the motor, the inlet having a fluid inlet to the chamber and the inlet connected to the fluid inlet, and an outlet through which the fluid is discharged from the chamber; ; An air discharge pipe through which the air remaining in the inlet, the inlet pipe, and the chamber is moved; A vacuum means for discharging the air moved through the air discharge pipe to the outside; And control means for controlling the driving of the motor and the vacuum means by controlling the power supply of the power supply unit through the set data to control the driving of the motor and the vacuum means. Wherein the air discharge pipe is provided with a first one-way check valve adapted to prevent fluid from flowing backward in the chamber side direction from the vacuum means; Wherein the outlet is provided with a second one-way check valve adapted to prevent fluid from flowing back in the chamber side direction through the outlet; Wherein the air discharge pipe located between the vacuum means and the first one-way check valve is provided with a drain pipe for discharging the fluid to the outside; Wherein the drain pipe is provided with a drain valve driven through the control means; Wherein the control means is adapted to drive the motor and the vacuum means simultaneously at the beginning of the pump operation, wherein air and fluid remaining in the space between the inlet pipe and the chamber and between the chamber and the first one- A vacuum forming step of forming a vacuum state inside the chamber by driving the vacuum chamber during a discharge time of the vacuum chamber; and stopping the driving of the vacuum chamber after the driving time of the first driving step, A vacuum pump step of discharging the fluid remaining between the vacuum means and the first one-way check valve to the outside through the pipe and pumping the fluid through the outlet through the rotating impeller by continuous driving of the motor And control data including control data.

In the vacuum pump system according to the present invention as described above, the air remaining in the chamber is forcibly discharged to the outside through the vacuum means at the beginning of the pumping operation, so that the vacuum pressure is generated by itself, .

In addition, the structure is simple and easy to manufacture. It can be easily applied to pump systems disposed at existing sites, which is economical.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a vacuum pump system according to an embodiment of the present invention; FIG.
Figs. 2 to 4 are schematic views showing the use state of the vacuum pump system according to the present embodiment. Fig.
Fig. 5 is a schematic view showing the control state of the vacuum pump system according to this embodiment. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, referring to the accompanying drawings, a vacuum pump system according to a preferred embodiment of the present invention will be described in detail.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

FIGS. 1 to 5 are views showing a vacuum pump system according to an embodiment of the present invention. The vacuum pump system 1 of FIG. 1 includes a motor 21; A chamber 31 in which an impeller 22 connected to the rotating shaft of the motor 21 is disposed and a fluid inlet 11 for introducing the fluid 11 into the chamber 31, (32) having an inlet (33) to which a fluid (35) is bound and an outlet (34) through which the fluid (11) is discharged from the chamber (31); An air discharge pipe (41) through which the air remaining in the inlet (33), the inflow pipe (35) and the chamber (31) is moved; A vacuum means (51) for discharging air moving through the air discharge pipe (41) to the outside; And control means 53 for controlling the driving of the motor 21 and the vacuum means 51 by receiving and controlling the power of the power supply unit 52 through the set data.

That is, at the beginning of the pump operation, the air remaining in the chamber 31 is forcibly discharged to the outside through the vacuum means 51 driven through the control of the control means 53, so that the vacuum pressure is generated by itself Thereby maximizing the working efficiency.

And a first unidirectional check valve 42 is provided to prevent the fluid from flowing back toward the chamber 31 from the vacuum means 51.

That is, when the chamber 31 is formed in a vacuum state through the vacuum means 51, the air (fluid) remaining in the chamber 31 is smoothly discharged to the outside to form a vacuum state; When the driving of the vacuum means 51 is canceled and stopped, the air and the fluid 11 are prevented from flowing into the chamber 31 from the outside, and the vacuum state of the chamber 31 is maintained smoothly.

On the other hand, the outlet 34 is provided with a second one-way check valve 43 for preventing the fluid 11 from flowing back toward the chamber 31 through the outlet 34.

That is, when the chamber 31 is formed in the vacuum state through the vacuum means 51, the outside air and the fluid 11 are prevented from flowing backward through the outlet 34, The vacuum state can be smoothly realized.

The first unidirectional check valve 42 and the second unidirectional check valve 43 are preferably made of a one-way check valve to prevent the fluid 11 and the air from flowing back toward the chamber 31 side, And may be a solenoid valve that is driven by receiving power from the outside, and it is most preferable to apply it according to the user's selection.

In the vacuum forced sucking pump system 1 according to this embodiment, the air discharge pipe 41 located between the vacuum means 51 and the first one-way check valve 42 is provided with a fluid 11 And a drain pipe (44) for discharging the water; The drain pipe (44) is provided with a drain valve (45) driven through the control means (53).

That is, the fluid 11 absorbed in the chamber 31 is guided to the outside through the drain pipe 44 in the space between the vacuum means 51 and the first one-way check valve 42, Thereby preventing entry into the means 51.

The control means 53 simultaneously drives the motor 21 and the vacuum means 51 at the initial stage of the pump operation, During the time that the vacuum means (51) discharges air and fluid (11) remaining in the space between the pipe (35) and the chamber (31) and between the chamber (31) and the first one - way check valve And a vacuum forming step of forming the inside of the chamber 31 in a vacuum state by controlling the control data.

The time for driving the vacuum means 51 when the air remaining in the chamber 31 is discharged in the initial stage of the pump operation to form a vacuum state is determined by the time interval between the inlet pipe 35 and the chamber 31, And based on the data obtained by trial measurement of the time for absorbing the fluid (11) in the vacuum means (51) according to the area of the space between the chamber (31) and the first one-way check valve It is preferable that the time is set.

That is, it is most preferable that the operation is performed by operating the driving time of the vacuum means 51 through the operating means 54 electrically connected to the control means 53 based on the actual measurement data.

The control means 53 stops the driving of the vacuum means 51 after the driving time of the first driving step and stops the opening of the drain valve 45 to open the drain pipe 45 The fluid 11 remaining between the vacuum means 51 and the first unidirectional check valve 42 is discharged to the outside and the fluid 11 is discharged through the impeller 22 rotating by the constant driving of the motor 21 ) To the outside through the outlet (34).

That is, the fluid 11 remaining in the drain pipe 44 is discharged to the outside during the operation time in which the fluid 11 is pumped by the motor 21, so that subsequent work can be smoothly performed.

Hereinafter, the operation and effect of the vacuum pump system 1 according to the present embodiment will be described in detail.

FIGS. 2 to 4 are views showing the use state of the vacuum pump system 1 according to the embodiment of the present invention. In the vacuum pump system 1 according to the present embodiment, It is preferable that the fluid 11 (11) is moved in accordance with the area of the space between the inflow pipe 35 and the chamber 31, the chamber 31 and the first one-way check valve 42 ) Of the vacuum means (51) is measured by the vacuum means (51) to obtain driving time data of the vacuum means (51), and operation data is supplied to the control means (53) through the operating means And sets the control data of the control means (53).

3, when the control data of the control means 53 is set as described above, the control means 53 controls the motor 21 and the control means 52 in a state in which the drain valve 45 is shut off, And the chamber 31 and the first one-way check valve 42 through the air discharge pipe 41 when the vacuum unit 51 is driven to generate a vacuum suction force, The air and the fluid 11 remaining in the space between the inlet pipe 35 and the chamber 31 are discharged to the outside, and the fluid enters the inlet pipe 35 and the chamber 31.

As the air in the chamber 31 is evacuated to the outside during the driving time of the vacuum means 51 when the vacuum means 51 is stopped after being driven for the driving time, Thereby forming a vacuum state; The fluid 11 in the chamber 31 is pumped to the outside through the outlet 34 in accordance with the rotation of the impeller 22 driven by the motor 21.

The operation of pumping the fluid 11 through the chamber 31 is performed and the pumping operation of the fluid 11 is completed so that the level of the fluid 11 in the chamber 31 is lowered, The operation is completed when the driving of the motor 21 is stopped.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: Vacuum stronger suction pump system 11: Fluid
21: motor 22: impeller
31: chamber 33: inlet
34: outlet 35: inlet pipe
41: air discharge pipe 42: first one-way check valve
43: second one-way check valve 44: drain pipe
45: drain valve 51: vacuum means
52: power supply unit 53: control means
54: Organizational means

Claims (1)

A motor; A chamber having an impeller rotatably connected to a rotation shaft of the motor, the inlet having a fluid inlet to the chamber and the inlet connected to the fluid inlet, and an outlet through which the fluid is discharged from the chamber; ; An air discharge pipe through which the air remaining in the inlet, the inlet pipe, and the chamber is moved; A vacuum means for discharging the air moved through the air discharge pipe to the outside; And control means for controlling the driving of the motor and the vacuum means by controlling the power supply of the power supply unit through the set data to control the driving of the motor and the vacuum means.
In the air discharge pipe,
A first unidirectional check valve is provided to prevent fluid from flowing backward from the vacuum means toward the chamber;
At the exit,
A second one-way check valve adapted to prevent fluid from flowing back in the chamber side direction through the outlet;
And the air discharge pipe located between the vacuum means and the first one-way check valve,
A drain pipe for discharging the fluid to the outside;
In the drain pipe,
A drain valve driven by the control means is provided;
Wherein,
Wherein said controller is adapted to simultaneously drive said motor and said vacuum means at the beginning of the pumping operation, wherein during the period of time during which said vacuum means discharges air and fluid remaining in the space between said inlet tube and said chamber and between said chamber and said first one- A vacuum forming step of forming a vacuum state inside the chamber; Wherein when the driving time of the first driving step is exceeded, the driving of the vacuum means is stopped, the drain valve is opened, and the fluid remaining between the vacuum means and the first one-way check valve is discharged to the outside And a vacuum pump step for pumping the fluid through the outlet through a rotating impeller by continuous driving of the motor to control the pump through the control data.

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