KR101945637B1 - Pump using sonic vibration - Google Patents

Abstract

The present invention relates to a pump using sonic vibration, minimizing a volume, a weight, and a noise. The pump using sonic vibration comprises: a sonic vibration generator having a housing, a shaft disposed at an internal center of the housing in a longitudinal direction, an external yoke and an internal yoke penetrating and fixated to the shaft in order, a magnet interposed between the external yoke and the internal yoke, a bobbin fixated to the housing while penetrating the shaft so as to be inserted into a gap between a side wall of the external yoke and a side wall of the internal yoke, a coil wound on an outer side of the bobbin, and a spring elastically supporting the shaft; and a valve body coupled to one end portion of the housing, and absorbing and discharging a fluid in accordance with a linear reciprocating motion of the shaft.

Description

[0001] The present invention relates to a pump using sonic vibration,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pump using sonic vibration, and more particularly, to a pump using sonic vibration to minimize noise, weight, and size.

Generally, a pump is a device for transferring fluid by using external power, and it is distinguished by a reciprocating pump that reciprocates the piston to reciprocate the fluid, and a rotary pump that transfers the fluid by rotating the impeller.

In this case, conventionally, most of the motors are used as external power for operating the pump. Specifically, the rotational motion of the motor is converted into linear motion using a mechanical device such as a cam, and the piston reciprocates by the linear motion, or the impeller is rotated by the rotational motion of the motor.

However, the motor used as the power source of the pump is large in size, heavy, and also has a problem of high noise.

Therefore, the pump according to the prior art requires a great deal of force in transportation and installation, has a limitation in installation space, and is difficult to use in an environment where noise is to be suppressed.

For reference, the technology of the background of the present invention is disclosed in Japanese Patent Laid-Open No. 10-2017-0070016 (entitled "Reciprocating pump").

SUMMARY OF THE INVENTION It is an object of the present invention to provide a pump using sonic vibrations capable of minimizing noise, weight and size.

As means for solving the above-mentioned technical problem,

A shaft disposed in the center of the inside of the housing in the longitudinal direction; an outer yoke and an inner yoke successively penetrating and fixed to the shaft; a magnet interposed between the outer yoke and the inner yoke; A bobbin fixed to the housing so as to be inserted between the side wall of the outer yoke and the side wall of the inner yoke so as to be inserted into the shaft; a coil wound around the bobbin and a spring for elastically supporting the shaft; ; And a valve body coupled to one end of the housing for sucking and discharging the fluid in accordance with a linear reciprocating motion of the shaft.

In this case, the valve body may include a first body coupled to the housing and having an inner fluid inlet hole and an inner fluid outlet hole formed at one end thereof, a diaphragm fixed to the shaft to seal the other end of the first body, And an outer fluid inlet hole and an outer fluid outlet hole communicating with the inner fluid inlet hole and the inner fluid outlet hole, respectively, and an outer fluid inlet hole communicating with the inner fluid inlet hole and the inner fluid outlet hole, And a valve member interposed between the first body and the second body to open and close the fluid suction hole and the fluid discharge hole.

In this case, the inner fluid discharge hole may be formed to be smaller than the inner fluid suction hole.

In this case, the outer fluid suction hole is smaller than the inner fluid suction hole, the outer fluid discharge hole is larger than the inner fluid discharge hole, and the valve member has a pair of openable and closable outer fluid suction holes and the inner fluid discharge hole Wherein the flaps are wider than the outer fluid suction holes and the inner fluid discharge holes and have a smaller area than the inner fluid suction holes and the outer fluid discharge holes, and the inner fluid suction holes and the outer fluid discharge holes A sloped flap support can be formed so that the flap can be supported and supported in accordance with the flow of the fluid.

In this case, at least one fluid storage groove communicating with the flow path may be formed inside the second body.

In this case, the spring may include a first compression spring provided between the bobbin and the valve body, and a second compression spring provided between the inner yoke and the bobbin.

In this case, the shaft may be further weight-combined.

In this case, the shaft may be coupled to at least one bushing, and the bushing may be fixed to the inside of the housing.

In this case, the valve body may be formed at both ends of the sound wave vibration generator.

According to the present invention, by forming a valve body at one or both ends of the sound wave vibration generator, the fluid can be sucked and discharged using sound wave vibration.

Further, by setting the inner fluid discharge hole of the valve body to be smaller than the inner fluid suction hole, the discharge pressure of the fluid can be increased and used as a compressor.

In addition, since the fluid storage groove is formed along the fluid transfer path inside the second body of the valve body, the pump can be initially operated even when no fluid is present in the fluid inlet pipe.

In addition, the amplitude of the diaphragm can be controlled by controlling the current value applied to the coil, and the intensity of the pump can be easily adjusted by implementing the frequency corresponding to the rotational speed of the motor using the amplitude modulation method (PWM modulation) .

1 is a perspective view of a pump using sound wave vibration according to a preferred embodiment of the present invention,
FIG. 2 is an exploded perspective view of the pump using sound wave vibration shown in FIG. 1,
3 is an internal structural view of the pump using the sonic vibration shown in Fig. 1. Fig.
Fig. 4 is an operational state diagram of the pump using the sonic vibration shown in Fig. 3,
5 is a partially enlarged view of the valve body of the pump using the sonic vibration shown in Fig. 2, Fig.
FIG. 6 is a view showing the arrangement of the fluid suction holes and the flaps of the valve body shown in FIG. 5;
FIG. 7 is a planar structural view showing an operating state of the flap of the valve body shown in FIG. 5;
FIG. 8 is a view showing a state in which the valve body and the second body of the valve body shown in FIG.
9 is a view showing a state in which the flap of the valve member shown in Fig. 8 is bent. Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly explain the present invention, parts not related to the description are omitted, and similar parts are denoted by similar reference numerals throughout the specification.

FIG. 1 is a perspective view of a pump using sound wave vibration according to a preferred embodiment of the present invention, FIG. 2 is an exploded perspective view of a pump using sound wave vibration shown in FIG. 1, Fig. 5 is a partially enlarged view of the valve body of the pump using the sound wave vibration shown in Fig. 2. Fig. 6 is a view showing the internal structure of the pump. Fig. Fig. 7 is a plan view of the flap of the valve body shown in Fig. 5, Fig. 8 is a plan view of the valve body shown in Fig. 5, FIG. 9 is a view showing a state in which the flap of the valve member shown in FIG. 8 is bent. FIG.

1 to 9, a pump 100 (hereinafter, referred to as a 'pump 100') using a sound wave vibration according to a preferred embodiment of the present invention includes a sound wave vibration generator 110 and a valve body 130, .

The sonic vibration generator 110 includes a housing 111, a shaft 115, an outer yoke 116, an inner yoke 117, a magnet 118, a bobbin 119, a coil And a spring 121.

The housing 111 has a rectangular parallelepiped structure, and a cylindrical hollow is formed inside. The housing 111 may include a first housing 112, a second housing 113 and a third housing 114 and may include a first housing 112, a second housing 113, The housing 114 is fastened with the bolt 140 together with the valve body 130.

Although only the housing 111 is divided into the first housing 112 and the second housing 113 and the third housing 114 in this embodiment, the first housing 112 and the second housing 113 And the third housing 114 are integrally formed.

The shaft 115 is disposed along the longitudinal direction at the inner center of the housing 111. The shaft 115 is coupled to the bushing 126 and the bushing 126 is fixed to the inside of the housing 111 so that the shaft 115 is moved along the longitudinal direction of the housing 111 Can be stably guided. The number of bushings 126 to be installed can be appropriately adjusted in consideration of the length of the shaft 115 and the coupling relationship between the shaft 115 and other components, and is not particularly limited.

The outer yoke 116 and the inner yoke 117 are sequentially penetrated through the shaft 115. In this case, both ends of the outer yoke 116 and the inner yoke 117 are fixed by the snap ring 125 in the engaged state, thereby moving integrally with the shaft 115.

The magnet 118 is inserted through the shaft 115 and interposed between the outer yoke 116 and the inner yoke 117.

The bobbin 119 is inserted into the shaft 115 to be inserted between the side wall of the outer yoke 116 and the side wall of the inner yoke 117. The bobbin 119 is fastened to the bobbin plate 120 with bolts or the like and the bobbin plate 120 is fastened to one end of the first housing 112. The outer yoke 116 and the inner yoke 117 reciprocate with respect to the bobbin 119 along the longitudinal direction of the housing 111. [

The coil is wound around the bobbin 119 and connected to an external power source. Therefore, when an electric current is applied to the coil, an electric field is generated, and the shaft 115 vibrates due to such an electric field and a repulsive force of a magnetic field generated by the magnet 118. In this case, the shaft 115 is subjected to a force along the longitudinal direction of the housing 111 by the Fleming's left-hand rule, and can be linearly moved. When the linear motion is performed, the shaft 115 is stably guided by the bushing 126 described above.

The spring 121 may include a first compression spring 122 and a second compression spring 123 for restoring the linearly shifted shaft 115 as described above.

The first compression spring 122 is installed between the bobbin 119 and the valve body 130. In the present invention, when the pump 100 is installed vertically, the weight 114 may be fixed to the shaft 115 such that the shaft 115 raised by the electromagnetic force is lowered by its own weight. The first compression spring 122 can be supported. However, it is of course possible to support the first compression spring 122 by coupling the other support to the shaft 115 when the weight 124 is not present.

The second compression spring 123 is installed between the inner yoke 117 and the bobbin 119. This second compression spring 123 collides with the bobbin 119 when the shaft 115 retracted (leftward in the drawing) by the electromagnetic force is restored by the first compression spring 122 Thereby preventing breakage.

The first compression spring 122 and the second compression spring 123 are installed in a compressed state of about 30 to 40%. When the shaft 115 is retracted by the electromagnetic force, the first compression spring 122 is further compressed and the shaft 115 is compressed by the elastic force when the electromagnetic force is removed. And the second compression spring 123 is tensioned according to the retraction of the shaft 115, and then is compressed again to the initial state together with the restoration of the shaft 115.

The valve body 130 is coupled to one end of the sound wave vibration generator 110 and includes a first body 131 and a diaphragm 132 for sucking and discharging fluid according to a linear reciprocating movement of the shaft 115. [ A second body 136, and a valve member 137. [

The first body 131 is coupled to one end of the housing 111 using bolts 140. One end of the first body 131 has an entirely blocked structure, but has an inner fluid inlet hole 131a and an inner fluid outlet hole 131b for sucking and discharging the fluid on both sides. In this case, a flap support portion 131c inclined inward is formed at the center of the inner fluid suction hole 131a, which will be described later in detail. On the other hand, the other end of the first body 131 has an entirely opened structure, and a predetermined space is formed between one end and the other end of the first body 131, and the fluid is sucked into the space.

In the present invention, the inner fluid outlet hole 131b may be formed smaller than the inner fluid inlet hole 131a. With this configuration, the discharge pressure of the fluid is increased, and the pump 100 can be used as a compressor.

The diaphragm 132 is fixed to one end of the shaft 115 to seal the other end of the first body 131. The diaphragm 132 is fixed by inserting the disc plate 133 and 134 having diameters smaller than the diameter of the diaphragm 132 on both sides of the diaphragm 132 and passing the bolt 135 through the shaft 115, And the rim of the diaphragm 132 is sandwiched between the third housing 114 and the first body 131 and pressed. With this configuration, when the shaft 115 is linearly moved, the intermediate portion of the diaphragm 132 is curved along the direction of movement of the shaft 115, whereby the fluid can be sucked or discharged.

The second body 136 is coupled to the first body 131 and includes an outer fluid inlet hole 136a communicating with the inner fluid inlet hole 131a and an inner fluid outlet hole 131b, ).

In this case, the outer fluid suction hole 136a is smaller than the inner fluid suction hole 131a, and the outer fluid discharge hole 136b is formed to be larger than the inner fluid discharge hole 131b. A flap support portion 131e inclined outward is formed at the center of the outer fluid discharge hole 136b, which will be described later in detail.

On the other hand, a fluid inlet 136c for sucking the fluid from the outside through the fluid suction pipe and a fluid outlet 136d for discharging the fluid to the outside through the fluid discharge pipe are formed on one side of the second body 136 The fluid inlet 136c, and the fluid outlet 136d are connected to the outer fluid inlet hole 136a and the outer fluid outlet hole 136b, respectively.

In this case, at least one fluid storage groove 136f is formed inside the second body 136. The fluid storage groove 136f communicates with the flow passage through the hole 136g, thereby storing the fluid flowing through the fluid inlet 136c during the suction stroke of the fluid. If there is no fluid in the fluid suction pipe, To provide the necessary fluid. The fluid storage groove 136f may be formed on the side of the outer fluid discharge hole 136b in the same manner as described above. In addition, the number of the fluid storage grooves 136f is not particularly limited, and can be appropriately adjusted according to the length of the flow passage.

The valve member 137 is provided between the first body 131 and the second body 136 to open and close the outer fluid suction hole 136a and the inner fluid discharge hole 131b and includes a pair of flaps 137a, (137b). The flaps 137a and 137b have a shape in which the valve member 137 is partially cut so that the flap 137a and the outer fluid suction hole 136a can be elastically bent in accordance with the transfer of the fluid, And between the inner fluid discharge hole 131b and the outer fluid discharge hole 136b, respectively.

The flaps 137a and 137b are wider than the inner fluid outlet hole 131b and the outer fluid inlet hole 136a and have a narrower area than the inner fluid inlet hole 131a and the outer fluid outlet hole 136b. As a result, the flaps 137a and 137b can block the inner fluid discharge hole 131b and the outer fluid suction hole 136a as shown in FIG. 6, but the inner fluid suction hole 131a and the outer fluid discharge hole 131b, (136b) can not be blocked.

Accordingly, when the fluid is sucked by the operation of the sound wave vibration generator 110, the flap 137a is turned toward the inner fluid suction hole 131b by the suction pressure of the fluid as shown in FIGS. 7 to 9, The fluid is introduced into the inner space of the first body 131 through the inner fluid suction hole 131a. Then, when the fluid stored in the inner space of the first body 131 is discharged by the operation of the sound wave vibration generator 110, the flap 137b is turned in the direction of the outer fluid discharge hole 136b and the inner fluid discharge hole 131b So that the fluid is discharged to the outside through the outer fluid discharge hole 136b.

The valve body 130 described above may be formed at the other end of the sound wave vibration generator 110 in the same manner. When the valve body 130 is formed at both ends of the sound wave vibration generator 110, when the fluid is sucked from the valve body 130 by the operation of the sound wave vibration generator 110, the fluid is discharged from the other valve body 130 ' On the contrary, when the fluid is discharged from the valve body 130, the fluid is sucked from the other valve body 130 ', thereby providing a suction and discharge integral type pump.

The configuration of the pump using the sound wave vibration according to the preferred embodiment of the present invention has been described above. Hereinafter, the operation of the pump using the sound wave vibration according to the preferred embodiment of the present invention will be described.

First, the pump 100 is provided in the state shown in Fig.

Thereafter, when an electric current is applied to the coil, an electric field is generated, and a repulsive force is generated between the electric field and the magnetic field caused by the magnet 118 to retract the shaft 115 (see FIG. 4).

When the shaft 115 is retracted, the diaphragm 132 is bent backward and the fluid stored in the external fluid or fluid storage groove 136f is sucked, thereby causing the flap 137a to swing so that the fluid is sucked into the outer fluid suction hole 136a And the inner fluid suction hole 131a into the inner space of the first body 131. [ In this case, fluid is discharged from the opposite valve body 130 '.

Subsequently, the retracted shaft 115 is restored to its original position by the elastic force of the first compression spring 122, whereby the diaphragm 132 is also restored to its original state.

The fluid stored in the first body 131 is discharged by the restoration of the diaphragm 132 so that the flap 137b is tilted so that the fluid flows through the inner fluid discharge hole 131b and the outer fluid discharge hole 136b to the outside . In this case, fluid is sucked in the opposite valve body 130 '.

In the present invention, the linear motion distance of the shaft 115 is controlled by controlling the current value applied to the coil in the suction and discharge processes of the fluid as described above, and the amplitude of the diaphragm 132 is adjusted through the adjustment The frequency and the flow rate of the pump can be controlled by controlling the number of reciprocating motions by frequency modulation (PWM method).

The preferred embodiments of the present invention have been described in detail with reference to the drawings. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

Therefore, the scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning, range, and equivalence of the claims are included in the scope of the present invention. .

100: pump using sonic vibration 110: sonic vibration generator
111: housing 112: first housing
113: second housing 114: third housing
115: shaft 116: outer yoke
117: Inner yoke 118: Magnet
119: bobbin 120: bobbin plate
121: spring 122: first compression spring
123: second compression spring 124: weight weight
125: snap ring 126: bushing
130, 130 ': valve body 131: first body
131a: Inner fluid suction hole 131b: Inner fluid discharge hole
131c: flap support part 132: diaphragm
133, 134: disk plate 135: bolt
136: second body 136a: outer fluid suction hole
136b: outer fluid discharge hole 136c: fluid inlet
136d: fluid outlet 136e: flap support
136f: fluid storage groove 136g: hole
137: valve member 137a, 137b: flap
140: Bolt

Claims (9)

An outer yoke and an inner yoke successively penetrating and fixed to the shaft; a magnet interposed between the outer yoke and the inner yoke; and a magnet disposed between the outer yoke and the inner yoke, A bobbin fixed to the housing so as to be inserted into a space between the side wall of the yoke and the side wall of the inner yoke so as to be inserted into the shaft; a coil wound around the bobbin; and a spring for elastically supporting the shaft, generator; And
A valve body coupled to one end of the housing for sucking and discharging the fluid in accordance with a linear reciprocating motion of the shaft;
And a pump for generating a sound wave. The method according to claim 1,
The valve body includes a first body coupled to the housing and having an inner fluid inlet hole and an inner fluid outlet hole formed at one end thereof, a diaphragm fixed to the shaft to seal the other end of the first body, And an outer fluid inlet hole communicating with the inner fluid inlet hole and the inner fluid outlet hole, respectively, and an outer fluid outlet hole communicating with the inner fluid inlet hole and the inner fluid outlet hole, the fluid inlet hole communicating with the outer fluid inlet hole and the outer fluid outlet hole, And a valve member interposed between the first body and the second body to open and close the fluid suction hole and the fluid discharge hole. 3. The method of claim 2,
Wherein the inner fluid discharge hole is smaller than the inner fluid discharge hole. The method of claim 3,
Wherein the outer fluid inlet hole is smaller than the inner fluid inlet hole and the outer fluid outlet hole is larger than the inner fluid outlet hole and the valve member comprises a pair of flaps capable of opening and closing the outer fluid inlet hole and the inner fluid outlet hole, Wherein the flap is wider than the outer fluid suction hole and the inner fluid discharge hole and has a smaller area than the inner fluid suction hole and the outer fluid discharge hole, Wherein a sloped flap support part is formed so as to be able to be supported and supported according to the flow of the ultrasonic vibration. 3. The method of claim 2,
And at least one fluid storage groove communicating with the flow path is formed inside the second body. 3. The method of claim 2,
Wherein the spring comprises a first compression spring provided between the bobbin and the valve body, and a second compression spring provided between the inner yoke and the bobbin. The method according to claim 1,
Wherein the shaft is further weight-coupled to the shaft. The method according to claim 1,
Wherein the shaft is inserted through at least one bushing, and the bushing is fixed to the inside of the housing. 9. The method according to any one of claims 1 to 8,
Wherein the valve body is formed at both ends of the sound wave vibration generator.

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