KR101920351B1 - Water ejector with auto assembling apparatus for education - Google Patents

Abstract

The present invention relates to a water ejector, and in particular, an automatic fastening device is provided between the components of a water ejector, and the water ejector uses a transparent material to easily disassemble and assemble each water ejector system having various sizes and shapes This is an automatic watertight type water ejector capable of experimenting more efficiently and intuitively understanding the principle of fluid flow.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an educational water ejector having an automatic fastening device,

The present invention relates to a water ejector, and in particular, an automatic fastening device is provided between the components of a water ejector, and the water ejector uses a transparent material to easily disassemble and assemble each water ejector system having various sizes and shapes This is an automatic watertight type water ejector capable of experimenting more efficiently and intuitively understanding the principle of fluid flow.

Generally, the water injector 10 includes a main channel 11 into which a fluid is introduced from the outside, a mixed channel 12 into which a fluid to be mixed is introduced, And a reducer 13. A nozzle or the like is provided in the reducer 13 to inject fluid.

Such water ejector 10 is widely used in everyday life and industrial fields such as water supply piping system, air conditioning system, and the like. Recently, it has been required to be advanced, enlarged, and diversified according to the automation of buildings. The basic elements that make up the system by connecting various equipments, devices and apparatuses are becoming more advanced.

In addition, in the current plant and piping construction, high-performance and high-quality construction conforming to the performance of materials, plants, and piping equipment is required due to the trend of upgrading and diversification of plant and piping materials. The need for field adaptive equipments engineers needed by the industry through field contents and experiment education.

In addition, there is a pressure difference due to the resistance of the water ejector system due to the rapid expansion of the wall, the diameter of the pipe, the reduction of the diameter, the distribution flow, etc. In such a long pipe, resistance due to the wall exists, Bow and the like have secondary losses.

However, in the case of the prior art, there is a similar experimental apparatus and equipments such as duct friction for the basic fluid experiment, but it is possible to disassemble and assemble each water ejector system having various sizes and shapes for water injectors, There are no devices that can be tested.

On the other hand, the water injector itself is widely known and is described in detail in the following prior art documents, and a description thereof will be omitted.

Korean Registered Utility Model No. 20-0436329

Experimental Study on Development of New Water Ejector (2005 Korean Conference on Marine Engineering) Experimental Study on the Development of a New Water Ejector (2006 Korean Marine Engineering Journal, Volume 30)

SUMMARY OF THE INVENTION It is an object of the present invention to provide an automatic ejection apparatus for a water ejector of various sizes and shapes using a transparent material, Disclosed is an automatic watertight water jet ejector which can be more efficiently tested and disassembled and assembled so as to intuitively understand the flow principle of a fluid.

However, the object of the present invention is not limited to the above-mentioned object, and another object which is not mentioned can be understood by those skilled in the art from the following description.

The main channel 11 or the mixed channel 12 or the reducer 13 of the water ejector 10 is divided and assembled and the divided main channel 11 or An automatic fastening device 300 is provided between the mixed pipe 12 and the reducer 13 and the automatic fastening device 300 is provided at both ends of the divided pipe and the recessed portion 310A is formed A pair of flanges 310, a permanent magnet portion 320 provided in the recessed portion 310A of one flange 310 and an electromagnet portion 330 provided in the recessed portion 310A of the remaining flange 310 And the water ejector 10 is provided with an automatic fastening device made of a transparent material.

The electromagnet part 330 includes an iron core part 331 disposed in the recessed part 310A, a coil part 332 surrounding the iron core part 331, A capacitor 334 and a ground 335 communicating with the coil portion 332. The power supply unit 333 includes a power supply unit 333 and a ground 335,

The actuator 100 may further include an actuator 100 installed in the recess 310A of the flange 310 on which the electromagnetic coil 330 is installed to make the electromagnetic coil 330 move back and forth toward the permanent magnet 320, The actuator 100 includes a piezoelectric element 110 having a plurality of layers stacked thereon, an internal electrode 120 provided between the piezoelectric elements 110 to supply power, An external electrode E for supplying power to the internal electrode 120, a connection part 150 provided on the upper surface of the internal electrode 120 and connected to the electromagnetic coil part 330, And a housing 200 in which an external electrode E is accommodated and fixed to the recessed portion 310A of the flange 310. [

The external electrode E includes a first external electrode 131 for supplying a positive power and a second external electrode 132 for supplying a negative power, A first internal electrode 121 and a second internal electrode 122 stacked between the piezoelectric elements 110 and an insulating layer provided between the first internal electrode 121 and the second internal electrode 122 The first inner electrode 121 is in contact with the first outer electrode 131 and is supplied with a positive polarity power and the second inner electrode 122 is in contact with the second outer electrode 132 - the end portion of the insulating layer 123 on the side of the first external electrode 131 is bent so as not to contact the first external electrode 131 by covering the second internal electrode 122, The end of the insulating layer 123 on the side of the second external electrode 132 is bent in the opposite direction to cover the first internal electrode 121 and not contact the second external electrode 131.

The connection unit 150 includes a pair of brackets 152 provided on the uppermost piezoelectric element 110, a hinge 153 pin-coupled to the bracket 152, And a connecting plate 151 having an electromagnetic portion 330 on the upper surface thereof. The housing 200 is hollow and has one side opened to expose the connecting portion 150 And a partition plate 220 provided in the housing main body 210 and partitioning the upper and lower portions of the housing main body 210 to receive the piezoelectric element 110. The partition plate 220 and the housing 210, The space between the main body 210 is provided with a power supply unit BAT and connected to the control unit CON so that both sides of the partition plate 220 are opened to allow the lower end of the external electrode E to enter the power supply unit BAT, Touch.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

Prior to that, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may properly define the concept of the term in order to best explain its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

As described above, according to the present invention, it is possible to easily disassemble and assemble each water ejector system having various sizes and shapes, to experiment more efficiently, and to understand the flow principle of the fluid intuitively.

1 is a conceptual diagram of a water treatment apparatus according to an embodiment of the present invention,
2 is a sectional view of a water treatment apparatus according to an embodiment of the present invention,
FIG. 3 is a conceptual view showing that an automatic fastening device is provided in a water treatment apparatus according to an embodiment of the present invention,
FIG. 4 is a conceptual view showing that an actuator is provided in a water treatment apparatus according to an embodiment of the present invention,
5 is an exploded perspective view of an actuator of a water treatment apparatus according to an embodiment of the present invention,
6 is a conceptual view illustrating an insulating layer of a water treatment apparatus according to an embodiment of the present invention,
7 is a cross-sectional perspective view illustrating a housing of a water treatment apparatus according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as exemplifications of the constituent elements set forth in the claims of the present invention, and are included in technical ideas throughout the specification of the present invention, Embodiments that include components replaceable as equivalents in the elements may be included within the scope of the present invention.

The water ejector 10 according to an embodiment of the present invention is formed in such a manner that it can be divided and assembled as shown in Figs. That is, the automatic piping apparatus 300 of the present invention is provided after one of the main pipeline 11, the mixed pipeline 12, and the reducer 13 of the water injector 10 is divided. According to the present invention, the user can train the main pipeline 11, the mixed pipeline 12, or the reducer 13 having a desired size or shape while replacing the main pipeline.

The automatic fastening device 300 is provided at both the divided ends. For example, when the mixed channel 12 is divided. At this time, the automatic fastening device 300 includes the flanges 310 provided at both ends. Recessed surfaces 310A are formed on mutually facing surfaces of the flanges 310. When the flanges 310 are fastened to each other, the recessed portions 310A are formed to be in contact with each other.

The permanent magnet portion 320 is provided in one of the recessed portions 310A of the recessed portion 310A and the electromagnetic portion 330 is provided in the remaining recessed portion 310A. An electromagnet 330 may be provided on the left recess 310A and a permanent magnet 320 may be provided on the recess 310A on the right side as shown in FIG.

When power is applied to the electromagnet part 330 to have the same magnetic pole as the permanent magnet part 320, mutual repulsive force is generated so that the two flanges 310 are separated and separated, and the opposite power is applied, The both flanges 310 are coupled to each other. With this configuration, the target configuration can be more easily separated and replaced, and can be replaced with a desired size or configuration.

The electromagnet part 330 generates an attractive force or a repulsive force by the power supply as described above. The electromagnet part 330 includes an iron core part 321 disposed in the recessed part 310A and an iron core part 322 surrounding the iron core part 321 A power supply part 323 for supplying power to the coil part 322 and capable of polarity conversion and a capacitor 324 and a grounding part 325 communicating with the coil part 322 .

On the other hand, the power supply unit 33 includes a plurality of switches that can selectively supply positive or negative polarity currents to both sides of the coil part 322 using transistors such as MOSFETs or the like, Which is a well-known technology, and detailed description and illustration are omitted.

The electromagnet can be made by supplying a current to the coil part 322 with the above-described configuration. At this time, an electromotive force is generated in the coil part 222 by the current supply, It is also possible to include a capacitor 324 and a ground 325 communicating with one side of the coil part 322

The permanent magnet unit 320 and the electromagnet unit 330 may be disposed in the inner space of the left and right recessed portions 310A so as to be in contact with each other. The permanent magnet unit 320 and the electromagnet unit 330 may be installed or separated from each other as long as the permanent magnet unit 320 and the electromagnet unit 330 can fasten or separate the work bogie by an attractive force or a repulsive force. It is clear that the present invention is not limited depending on the position.

The two flanges 310 can be fastened or separated by the permanent magnet unit 320 and the electromagnet unit 330 of the present invention as described above. If the distance between the two flanges 310 is larger than a certain distance If they are, they may not be mutually connected even if manpower is generated.

4, in order to narrow the distance between the permanent magnet unit 320 and the electromagnet unit 330, the electromagnet unit 330 is installed in the recess 310A of the flange 310 on which the electromagnet unit 330 is installed, And an actuator 100 that causes the magnet portion 330 to move back and forth toward the permanent magnet portion 320 side.

That is, as shown in the drawing, the actuator 100 is disposed in the recessed portion 110A on the left side in the drawing and the iron core portion 331 of the electromagnetic coil portion 330 is pushed or pulled toward the permanent magnet portion 320 The distance between the magnet portion 330 and the permanent magnet portion 320 can be adjusted.

5 and 6, the actuator 100 includes a plurality of piezoelectric elements 110 stacked, an internal electrode 120 provided between the piezoelectric elements 110 to supply power, An external electrode E contacting one side of the element 110 to supply power to the internal electrode 120 and a connection part 150 provided on the upper surface of the internal electrode 120 and connected to the electromagnetic part 320, .

The term " piezoelectric element 110 " means that the size is increased or decreased by supplying power as is well known. The present invention increases the size of the piezoelectric element 110 to move the magnet portion 330 closer to the permanent magnet portion 320 or to be spaced away from the permanent magnet portion 320 by using the above characteristics.

The piezoelectric element 110 and the external electrode E are housed in the housing 200 and the housing 200 is fixed to the recessed portion 310A of the flange 310. [

The external electrode E includes a first external electrode 131 for supplying a positive power and a second external electrode 132 for supplying a negative power. The internal electrode 120 includes a first internal electrode 121 and a second internal electrode 122 stacked between the piezoelectric elements 110 and a first internal electrode 121 and a second internal electrode 122, And an insulating layer 123 interposed between the electrodes. The first internal electrode 121 is in contact with the first external electrode 131 and is supplied with a positive polarity power and the second internal electrode 122 is in contact with the second external electrode 132 to supply a negative polarity power. Receive.

That is, the + power source and the - power source are supplied to one piezoelectric element 110, and the size of the piezoelectric element 110 varies. As shown in FIG. 6, a first internal electrode 121 for supplying a positive power is connected to the upper surface of the second piezoelectric element 110-2 from the upper side, and a second internal electrode 121 for supplying a positive The internal electrode 122 is contacted.

As described above, it is a well-known technology to arrange internal electrodes between piezoelectric elements stacked in a plurality of layers and to provide external electrodes for supplying power to the internal electrodes (Japanese Patent No. 3881474).

However, in the conventional art as described above, in order to selectively supply a positive power source and a negative power source to the internal electrode, an insulator is provided on the external electrode and a conductive adhesive is applied between the external electrode and the internal electrode The structure is complicated.

The present invention solves this problem, and as described above, the insulating layer 123 is provided between the first internal electrode 121 and the second internal electrode 122.

That is, since the first internal electrode 121 can contact the second internal electrode 122 disposed below the uppermost piezoelectric element 110-1, an insulating layer 123 is provided to prevent the second internal electrode.

The insulating layer 123 is provided between the first inner electrode 121 and the second inner electrode 122 and the end of the first outer electrode 131 is bent to cover the second inner electrode 122, And does not contact the external electrode 131. The end of the insulating layer 123 on the side of the second external electrode 132 is bent in the opposite direction to cover the first internal electrode 121 and not contact the second external electrode 131.

6, the first internal electrode 121 and the second internal electrode 122 of the insulating layer 123 on the left side of the first external electrode 131, And contacts the external electrode 131. Since a negative power source is applied to the second internal electrode 122, the first external electrode 131 of the insulating layer 123, that is, the left side of the drawing, 122. As a result, the first external electrode 131 is not in contact with the second internal electrode 122, so that the power of the positive polarity is not applied, and the power of the positive polarity is applied to only the first internal electrode 121.

The second external electrode 132 of the insulating layer 123 is bent in an opposite direction to cover the first internal electrode 121. Accordingly, the first internal electrode 121 is not energized with the second external electrode 132 so that the power of the polarity is not applied and the power of the negative polarity is applied to the second internal electrode 122.

The connection unit 150 includes a pair of brackets 152 provided on the uppermost piezoelectric element 110, a hinge 153 pin-coupled to the bracket 152, And a connection plate 151 on the upper surface of which the electromagnetic portion 330 is provided.

That is, when the size of the piezoelectric element 110 increases to move the iron core 331 of the electromagnetic portion 330, the iron core 331 can not move in a straight line and can be inclined at a specific angle. In this case, the connecting plate 151 may be inclined by the hinge 153 to cope with inclined movement of the iron core 331.

7, the housing 200 includes a housing main body 210 having a hollow shape and one side opened to expose the connecting portion 150, and a housing main body 210 provided inside the housing main body 210, 210), and a partition plate (220) on which the piezoelectric element (110) is placed.

Between the partition plate 220 and the housing main body 210, a power supply unit BAT is connected to the control unit CON. Both sides of the partition plate 220 are opened so that the lower end of the external electrode E enters into contact with the power supply unit BAT and finally supplies power to the internal electrode 120.

The control unit CON may be connected to the power supply unit 333 and the power supply unit BAT of the electromagnetic unit 330 by wire or wirelessly.

Meanwhile, the water ejector 10 of the present invention is made of a transparent material. With this configuration, the flow of the fluid can be visually observed, and more efficient education is possible.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the same is by way of illustration and example only and is not to be construed as limiting the present invention. It is obvious that the modification or improvement is possible.

It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

100: actuator 110: piezoelectric element
E: external electrode 120: internal electrode
121: first internal electrode 122: second internal electrode
123: insulating layer 131: first external electrode
132: second external electrode 150:
151: connecting plate 152: bracket
153: hinge 200: housing
210: housing body 220: partition plate
300: automatic fastening device 310: flange
310A: recessed portion 320: permanent magnet portion
330: electromagnet part 331: iron core part
332: coil part 333: power supply part
334: Capacitor 335: Ground

Claims (5)

The main duct 11 or the mixing duct 12 or the reducer 13 of the water injector 10 is divided and assembled,
An automatic fastening device 300 is provided between the divided main pipe 11 and the mixed pipe 12 or reducer 13,
The automatic fastening device 300 includes a pair of flanges 310 which are provided at both ends of the divided portion and on which the recessed portions 310A are respectively formed and the recessed portions 310A are formed in the recessed portions 310A of one flange 310 And an electromagnet part 330 provided in the recessed part 310A of the remaining flange 310. The electromagnet part 330 is provided on the other flange 310,
The water ejector 10 is made of a transparent material,
Further comprising an actuator (100) installed in a recessed portion (310A) of a flange (310) where the electromagnetic part (330) is installed to make the electromagnetic part (330) back and forth toward the permanent magnet part (320) side,
The actuator 100 includes a plurality of piezoelectric elements 110,
An internal electrode 120 provided between the piezoelectric elements 110 to supply power,
An external electrode E contacting the one side of the piezoelectric element 110 to supply power to the internal electrode 120,
A connection part 150 provided on an upper surface of the internal electrode 120 and connected to the electromagnetic part 330,
And a housing (200) having the piezoelectric element (110) and the external electrode (E) accommodated therein and fixed to the recessed portion (310A) of the flange (310). The method according to claim 1,
The electromagnetic portion 330 includes an iron core portion 331 disposed in the recessed portion 310A,
A coil portion 332 surrounding the iron core portion 331,
A power supply unit 333 for supplying power to the coil unit 332 and capable of polarity conversion,
And a capacitor (334) communicating with the coil portion (332) and a ground (335). delete The method according to claim 1,
The external electrode E includes a first external electrode 131 for supplying a positive power and a second external electrode 132 for supplying a negative power,
The internal electrode 120 includes a first internal electrode 121 and a second internal electrode 122 stacked between the piezoelectric elements 110 and a first internal electrode 121 and a second internal electrode 122, And an insulating layer (123)
The first internal electrode 121 is in contact with the first external electrode 131 and is supplied with a positive polarity power and the second internal electrode 122 is in contact with the second external electrode 132 to supply a negative polarity power. In addition,
The end of the insulating layer 123 on the side of the first external electrode 131 is bent so as not to contact the first external electrode 131 while covering the second internal electrode 122, And an end of the outer electrode 132 is bent in an opposite direction to cover the first inner electrode 121 and not to contact the second outer electrode 131. The method according to claim 1,
The connection unit 150 includes a pair of brackets 152 provided on the uppermost piezoelectric element 110, a hinge 153 pin-coupled to the bracket 152, And a connecting plate 151 having an electromagnetic part 330 on an upper surface thereof,
The housing 200 includes a housing body 210 having a hollow shape and one side opened to expose the connection unit 150 and a lower housing 210 which is provided inside the housing body 210 to define upper and lower portions of the housing body 210, And a partition plate 220 on which the piezoelectric element 110 is seated,
Between the partition plate 220 and the housing main body 210, a power supply unit BAT is connected to the control unit CON,
Wherein the partition plate (220) is open on both sides so that the lower end of the outer electrode (E) enters into contact with the power supply unit (BAT).

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