KR20230014119A - A assembly type transmission efficiency evaluation chip, assembly type transmission efficiency evaluation system, and control method thereof - Google Patents

Abstract

The present invention provides an assembly type transmission efficiency evaluation chip, an assembly type transmission efficiency evaluation system, and a control method therefor, the assembly type transmission efficiency evaluation chip comprising: a lower chip part having both side portions that upwardly protrude more than the center portion thereof; an upper chip part coupled to the lower chip part so as to surround the central portion of the lower chip part; and a permeable membrane positioned between the lower chip part and the upper chip part. The permeation membrane permeates liquid to be permeated through the lower chip part by using a pressure difference between distilled water flowing into the lower chip part and the liquid to be permeated flowing into the upper chip part.

Description

Assembly type transmission efficiency evaluation chip, assembly type transmission efficiency evaluation system, and control method thereof {A assembly type transmission efficiency evaluation chip, assembly type transmission efficiency evaluation system, and control method thereof}

The present invention relates to an assembly-type transmission efficiency evaluation chip, an assembly-type transmission efficiency evaluation system, and a control method thereof, and more particularly, to an assembly type manufactured using stereolithography 3D printing and to evaluate the transmission performance of a micromembrane or nanomembrane. It relates to a transmission efficiency evaluation chip, an assembled transmission efficiency evaluation system, and a control method thereof.

Water treatment filters targeting liquids filter objects through fine pores of the membrane, and micro/nano membranes are applicable to chemistry, materials, environment, energy, and medical care. Recently, the development of micromembranes and nanomembranes that can be applied not only for industrial use but also for the bio field is active, and their use in biosensors and drug delivery is prominent.

However, there is a limit to applying the existing method of evaluating membrane permeation performance to micromembranes and nanomembranes for biofield purposes.

The above reason is that existing membrane permeation efficiency measurement devices used in water treatment and industry are used in high-speed and high-pressure environments and mainly measure large sizes compared to micro/nano membranes used in the bio field.

Accordingly, in order to save time and cost, a technique for evaluating the permeation performance of a micromembrane or nanomembrane using a small amount of liquid is required.

(Patent Document 1) Patent Publication No. 10-2016-0065517 (2016.06.09.)

(Patent Document 2) Patent Registration No. 10-1985311 (2019.05.28.)

An object of the present invention to solve the above problem is to manufacture a lower chip portion supplied with distilled water and an upper chip portion supplied with a liquid to be permeated by 3D printing, and part of the liquid to be permeated according to the pressure difference between the liquid to be permeated and the distilled water. It is to provide an assembly-type transmission efficiency evaluation chip, an assembly-type transmission efficiency evaluation system, and a control method thereof for deriving transmittance of the transmission membrane by permeation through a transmission membrane.

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

The configuration of the present invention for achieving the above object is a lower chip portion in which both side portions protrude upward from the central portion; an upper chip portion coupled to the lower chip portion to surround a central portion of the lower chip portion; and a permeable membrane disposed between the lower chip portion and the upper chip portion, wherein the permeable membrane uses a pressure difference between distilled water flowing into the lower chip portion and liquid to be permeated flowing into the upper chip portion, Provided is an assembly-type penetration efficiency evaluation chip characterized in that the permeation target liquid is transmitted through the lower chip portion.

In an embodiment of the present invention, the lower chip unit may include a first lower chip that is a central portion of the lower chip unit and has a hexahedral shape; a pair of coupling members protruding upward from both sides of the upper surface of the first lower chip; and four lower penetration holes located between the pair of coupling members and penetrating the central portion of the upper surface of the first lower chip, wherein the transmission membrane covers the upper surface of the first lower chip to cover the four lower transmission holes. It may be characterized by being located in the central part.

In an embodiment of the present invention, the lower chip unit may include a second lower chip coupled to one side of the first lower chip; a third lower chip positioned to face the second lower chip and coupled to the other side of the first lower chip; and a lower channel exposed to the outside of the second lower chip and the third lower chip and continuously formed inside the first to third lower chips, wherein the distilled water introduced from the outside is formed in the lower channel. It can be characterized as flowing.

In an embodiment of the present invention, the upper chip unit may include a first upper chip positioned at a central portion of the upper chip unit and coupled to the first lower chip and having a hexahedral shape; a pair of coupling grooves that are recessed from both sides of the lower surface of the first upper chip to the upper side and into which the pair of coupling members are inserted; and four upper penetration holes located between the pair of coupling grooves and penetrating the central portion of the upper surface of the first upper chip, wherein the transmission membrane is located between the four lower transmission holes and the four upper transmission holes. It can be characterized by doing.

In an embodiment of the present invention, the upper chip unit may include a second lower chip coupled to one side of the first upper chip, protruding downward from the first lower chip, and having a hexahedral shape; a third lower chip positioned to face the second upper chip, protruding downward from the first lower chip, and coupled to the other side of the first upper chip; and an upper channel exposed to the outside of the second upper chip and the third upper chip and continuously formed inside the first to third upper chips, wherein the input of the input from the outside is provided in the upper channel. It may be characterized in that the target liquid flows.

In an embodiment of the present invention, the lower channel communicates with the four lower penetration holes, the upper channel communicates with the four upper penetration holes, and a part of the liquid to be transmitted through the upper channel communicates with the transmission target liquid. Due to a pressure difference between the target liquid and the distilled water, the liquid may be transmitted into the lower channel through the four upper permeation holes, the permeation membrane, and the four lower permeation holes.

In an embodiment of the present invention, the combined upper and lower chip parts may have a cross shape when looking at the upper surface of the upper chip part.

In an embodiment of the present invention, the upper chip part and the lower chip part may be manufactured using stereolithography 3D printing.

In an embodiment of the present invention, the stereolithography 3D printing may be implemented in any one of a light source method and a DMD method.

In addition, the configuration of the present invention for achieving the above object is the assembled transmission efficiency evaluation chip according to the above; a port including an input port through which the distilled water supplied from the outside passes and an output port through which the distilled water is discharged to the outside; An input pump located between the input port and the lower chip unit to supply distilled water from the input port to the lower chip unit, and an input pump located between the lower chip unit and the output port to transmit the liquid to be permeated through the lower chip unit to the lower chip unit. A pump including an output pump for discharging to an output port; A first input tube communicating the input port and the input pump, a second input tube communicating the input pump and the lower chip, a first output tube communicating the lower chip and the output pump, and a communication between the output pump and the output pump. A tube including a second output tube communicating the output port; a syringe for supplying the liquid to be permeated to the upper chip; and a measuring device for deriving the transmittance of the permeable membrane by measuring the concentration of the residue remaining in the permeable membrane or the liquid to be permeated through the lower chip. .

In addition, the configuration of the present invention for achieving the above object is in the control method of the prefabricated transmission efficiency evaluation system according to the above, (a) the input pump to the distilled water in the input port to the lower chip unit supplying; (b) supplying the liquid to be permeated to the upper chip by the syringe; (c) allowing the liquid to be permeated through the lower chip by using a pressure difference between the distilled water flowing into the lower chip and the liquid to be permeated flowing into the upper chip; (d) discharging the liquid to be permeated through the lower chip through the output port by the output pump; and (e) deriving the transmittance of the permeable membrane by measuring the concentration of the liquid to be permeated through the residue or the lower chip by the measuring device. provides a way

In an embodiment of the present invention, the step (a) may include: (a1) operating the input pump; (a2) introducing the distilled water from the input port into the input pump through the first input tube by the operation of the input pump; and (a3) introducing the distilled water introduced into the input pump into the lower chip through the second input tube.

In an embodiment of the present invention, the step (d) may include (d1) operating the output pump; (d2) allowing the liquid to be permeated through the lower chip portion to flow into the output pump through the first output tube by the operation of the output pump; and (d3) discharging the liquid to be permeated into the output pump through the second output tube and discharged to the output port.

The effect of the present invention according to the configuration as described above is to manufacture a lower chip portion supplied with distilled water and an upper chip portion supplied with a liquid to be permeated by 3D printing, and transmit a part of the liquid to be permeated according to the pressure difference between the liquid to be permeated and the distilled water. By permeating through the membrane to derive the transmittance of the permeable membrane, it is possible to use it with a small amount of sample, and it is possible to save time and cost.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

1 (a) and (b) are conceptual diagrams illustrating a method for 3D printing an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.
2 is a perspective view from one direction showing an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.
3 is an exploded perspective view in one direction showing an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.
4 is a perspective view from one direction showing a lower chip included in an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.
FIG. 5 is a cross-sectional view taken along line A-A′ of FIG. 4 .
6 is a cross-sectional view taken along line BB′ of FIG. 4 .
7 is a perspective view from one direction showing an upper chip included in an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.
8 is a cross-sectional view taken along line C-C′ of FIG. 7 .
9 is a cross-sectional view taken along line D-D′ of FIG. 7 .
10 is a flow chart showing distilled water and a liquid to be permeated flowing inside a prefabricated permeation efficiency evaluation chip according to an embodiment of the present invention.
11 is a conceptual diagram showing a prefabricated transmission efficiency evaluation system according to an embodiment of the present invention.
12 (a), (b), (c), and (d) are photographs of actually implementing an assembly-type transmission efficiency evaluation system according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and, therefore, is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this is not only "directly connected", but also "indirectly connected" with another member in between. "Including cases where In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1. Prefabricated transmittance efficiency evaluation chip (100)

Hereinafter, an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention will be described with reference to FIGS. 1 to 10 .

1 (a) and (b) are conceptual diagrams illustrating a method for 3D printing an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention. 2 is a perspective view from one direction showing an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention. 3 is an exploded perspective view in one direction showing an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.

Referring to FIGS. 1 to 3 , an assembled transmittance efficiency evaluation chip 100 according to an embodiment of the present invention includes a lower chip part 110 , an upper chip part 120 and a transmission membrane 130 .

In particular, the upper chip part 120 and the lower chip part 110 are manufactured using stereolithography 3D printing as shown in (a) and (b) of FIG. 1 .

At this time, the material used is an acrylic photocuring resin, and is manufactured with a laminate thickness of 100 um and a light exposure time of 0.6 seconds. In this case, the upper chip portion 120 and the lower chip portion 110 can be manufactured within 10 minutes. .

Specifically, stereolithography 3D printing uses a light source method for producing a three-dimensional shape by curing liquid resin using light shown in FIG. 1 (a) and a digital mirror device (DMD) shown in FIG. 1 (b). It can be implemented in any one of the used DMD methods.

The light source method shown in (a) of FIG. 1 has the advantage of requiring a short manufacturing time, and is advantageous for manufacturing complex shapes and small quantity production of various kinds.

On the other hand, the digital light source method shown in FIG. 1 (b) is advantageous for small-sized output and has the advantage of shorter processing time compared to the method shown in FIG. 1 (a) because it is manufactured in cross-sectional units.

Meanwhile, referring to FIG. 2 , the coupled upper chip portion 120 and lower chip portion 110 have a cross shape when viewed from the upper surface of the upper chip portion 120 .

4 is a perspective view from one direction showing a lower chip included in an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.

Referring to FIG. 4 , the lower chip portion 110 is formed such that both side portions protrude upward from the central portion.

In addition, the lower chip portion 110 may be formed to have a size of 12 mm x 6 mm x 4 mm.

As shown in FIG. 4, the lower chip unit 110 includes a first lower chip 111, a second lower chip 112, a third lower chip 113, a coupling member 114, and a lower channel 115. and a lower penetration hole 116.

The first lower chip 111 is a central portion of the lower chip portion 110 and has a hexahedral shape.

In addition, four lower penetration holes 116 are formed in the central portion of the upper surface of the first lower chip 111, but are not limited thereto.

In addition, a pair of coupling members 114 are formed long on both sides of the upper surface of the first lower chip 111 .

In addition, the second lower chip 112 and the third lower chip 113 are formed on both sides of the first lower chip 111 .

The first lower chip 111 described above is combined with a first upper chip 121 described later.

The second lower chip 112 has a hexahedral shape formed on one side of the first lower chip 111 .

At this time, the height of the second lower chip 112 is higher than that of the first lower chip 111 .

In addition, an upper channel 115 is formed inside the second lower chip 112 .

The third lower chip 113 is positioned to face the second lower chip 112 and has a hexahedral shape formed on the other side of the first lower chip 111 .

In this case, the height of the third lower chip 113 is higher than the height of the first lower chip 111 and is equal to the height of the second lower chip 112 .

In addition, an upper channel 115 is also formed inside the third lower chip 113 .

The coupling members 114 have a hexahedral bar shape protruding upward from both sides of the upper surface of the first lower chip 111, and are formed as a pair as shown in FIG.

Specifically, the coupling member 114 is formed long and parallel to the second and third lower chips 112 and 113 .

As the coupling member 114 is inserted into the coupling groove 124 to be described later, when the liquid to be permeated flows after assembling the upper chip unit 120 and the lower chip unit 110, the liquid to be permeated is transferred to the upper chip unit 120 and the lower chip unit 120. Water leakage to the outside of the lower chip portion 110 is prevented.

FIG. 5 is a cross-sectional view taken along line A-A′ of FIG. 4 . 6 is a cross-sectional view taken along line BB′ of FIG. 4 .

Referring to FIG. 5 , the lower channel 115 is exposed to the outside of the second lower chip 112 and the third lower chip 113 and is continuously connected to the inside of the first to third lower chips 111, 112, and 113. It is a hole formed by

The lower channel 115 is formed in a cylindrical shape with a diameter of 1 mm, and may have a rectangular shape with a width and length of 1 mm, respectively, if necessary.

In addition, distilled water introduced from the outside flows in the lower channel 115 .

Specifically, referring to FIG. 5 , the lower channel 115 may have a 'c' shape and communicates with the four lower penetration holes 116 .

According to the structure described above, distilled water flows in through the inlet of the lower channel 115 exposed to the outside, and the permeable membrane 130 is formed inside the upper chip portion 120 through the outlet of the lower channel 115 exposed to the outside. A part of the liquid to be permeated through the permeate is discharged.

Referring to FIG. 4 , the lower penetration hole 116 is positioned between the pair of coupling members 114 and is formed to pass through the central portion of the upper surface of the first lower chip.

Specifically, as shown in FIG. 4 , the lower penetration holes 116 may have a square shape and be formed of four, and the four lower penetration holes 116 may be formed with two horizontally and two vertically.

The lower permeation hole 116 serves as a passage through which a part of the permeation target liquid passing through the permeation membrane 130 is passed due to a pressure difference between the permeation target liquid and the distilled water.

7 is a perspective view from one direction showing an upper chip included in an assembled transmittance efficiency evaluation chip according to an embodiment of the present invention.

The upper chip portion 120 is coupled to the lower chip portion 110 so as to surround the central portion of the lower chip portion 110 .

In addition, the upper chip portion 120 may be formed to have a size of 12 mm x 6 mm x 4 mm.

The upper chip unit 120 includes a first upper chip 121, a second upper chip 122, a third upper chip 123, a coupling groove 124, an upper channel 125, and an upper penetration hole 126. includes

The first upper chip 121 is located at the center of the upper chip portion 120 and is coupled to the first lower chip 111 and has a hexahedral shape.

In addition, a second upper chip 122 and a third upper chip 123 are formed on both side surfaces of the first upper chip 121 .

At this time, the height of the first upper chip 121 is lower than the heights of the second and third upper chips 123 .

In addition, four upper penetration holes 126 are formed in the central portion of the lower surface of the first upper chip 121, and a pair of coupling members 114 are inserted into both sides of the lower surface of the first upper chip 121. A pair of coupling grooves 124 are recessed.

The second upper chip 122 is formed on one side of the first upper chip 111, protrudes downward from the first lower chip 111, and has a hexahedral shape.

The third upper chip 123 is positioned to face the second upper chip 122 , protrudes downward from the first lower chip 111 , and has a hexahedral shape formed on the other side of the first upper chip 121 .

At this time, the third upper chip 123 has the same height as the second upper chip 122 .

The coupling groove 124 is recessed from both sides to the upper surface of the lower surface of the first upper chip 121, into which a pair of coupling members 114 are inserted.

Referring to FIG. 7 , coupling grooves 124 are formed in pairs so that a pair of coupling members 114 are inserted into the inside.

8 is a cross-sectional view taken along line C-C′ of FIG. 7 . 9 is a cross-sectional view taken along line D-D′ of FIG. 7 .

Referring to FIG. 8 , the upper channel 125 is exposed to the outside of the second upper chip 122 and the third upper chip 123 and is continuously connected to the inside of the first to third upper chips 121, 122 and 123. is formed by

In the upper channel 125 according to this, the liquid to be injected from the outside flows.

In addition, as the upper channel 125 communicates with the four upper permeation holes 126, a part of the permeate liquid due to the pressure difference between the liquid to be permeated and the distilled water passes through the four upper permeation holes 126.

That is, part of the liquid to be permeated flowing through the upper channel 125 passes through the four upper permeation holes 126, the permeable membrane 130 and the four lower permeation holes 116 due to the pressure difference between the liquid to be permeated and the distilled water. It is transmitted through channel 115.

The upper penetration hole 126 is located between the pair of coupling grooves 124 and is formed to pass through the central portion of the upper surface of the first upper chip 111, and as shown in FIG. 7, four are formed.

The upper permeation hole 126 serves as a passage through which a part of the liquid to be permeated flowing inside the upper channel 125 passes through the lower channel 115 due to a pressure difference with distilled water flowing in the lower channel 115. Do it.

10 is a flow chart showing distilled water and liquid to be permeated flowing inside an assembled permeation efficiency evaluation chip according to an embodiment of the present invention.

The transmission membrane 130 may be a micro- or nano-membrane positioned between the lower chip portion 110 and the upper chip portion 120 .

In detail, the transmission membrane 130 is located at the center of the upper surface of the first lower chip 110 to cover the four lower transmission holes 116 .

In more detail, the transmission membrane 130 is located between the four lower transmission holes 116 and the four upper transmission holes 126 .

The permeable membrane 130 permeates the liquid to be permeated through the lower chip 110 by using the pressure difference between the distilled water flowing into the lower chip 110 and the liquid to be permeated into the upper chip 120. let it

Specifically, referring to FIG. 10, a portion of the liquid to be permeated flowing in the upper channel 125 passes through four upper permeation holes 126, a permeation membrane 130, and four lower permeations due to a pressure difference between the liquid to be permeated and distilled water. It passes through the hole 116 and is transmitted into the lower channel 115 .

2. Prefabricated Transmission Efficiency Evaluation System

Hereinafter, a prefabricated transmission efficiency evaluation system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 12 .

11 is a conceptual diagram showing a prefabricated transmission efficiency evaluation system according to an embodiment of the present invention. 12 (a), (b), (c), and (d) are photographs of actually implementing the prefabricated transmission efficiency evaluation system according to an embodiment of the present invention.

Referring to FIG. 11, the assembly-type transmission efficiency evaluation system according to an embodiment of the present invention includes the assembly-type transmission efficiency evaluation chip 100 according to the above, the input port 11 through which distilled water supplied from the outside passes, and distilled water Is located between the port 10 including the output port 12 discharged to the outside, the input port 11 and the lower chip unit 110 to supply distilled water in the input port 11 to the lower chip unit 120 A pump including an input pump 21 and an output pump 22 positioned between the lower chip portion 110 and the output port 12 to discharge the liquid to be permeated through the lower chip portion 110 to the output port 12 (20), a first input tube 31 communicating the input port 11 and the input pump 21, a second input tube 32 communicating the input pump 21 and the lower chip 110, and a lower chip Tube 30 including a first output tube 33 communicating the output pump 22 with the 110 and a second output tube 34 communicating the output pump 22 and the output port 12, The syringe 40 for supplying the liquid to be permeated to the chip unit 120 and the concentration remaining in the permeable membrane or the concentration of the liquid to be permeated through the lower chip unit 110 to derive the transmittance of the permeable membrane 130 Includes a measuring device (not shown).

Due to the pressure difference between the liquid to be permeated and the distilled water, a part of the liquid to be permeated flowing in the upper channel 125 passes through the four upper permeation holes 126, the permeation membrane 130, and the four lower permeation holes 116, and then It is discharged to the output port 12 through the third and fourth output tubes 33 and 34 by the output pump 22 .

Accordingly, the measuring device measures the concentration of a part of the permeation target liquid output through the output port 12 and derives the transmittance of the permeable membrane 130 using the concentration of the permeation target liquid present in the upper channel 125 before permeation. do.

3. Control method of prefabricated transmission efficiency evaluation system

Hereinafter, a control method of a prefabricated transmission efficiency evaluation system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 12 .

Referring to FIG. 11, in the control method of the prefabricated transmission efficiency evaluation system according to the above, (a) the input pump 21 supplies distilled water in the input port 11 to the lower chip unit 110; (b) supplying liquid to be permeated to the upper chip part 120 by the syringe 40, (c) distilled water flowing into the lower chip part 110 through the permeable membrane 130 and the inside of the upper chip part 120 Permeating the permeation target liquid into the lower chip 110 by using the pressure difference of the permeation target liquid flowing into the lower chip 110; 12) and (e) measuring the concentration of the liquid to be permeated through the residue or the lower chip 110 by the measuring device to derive the transmittance of the permeable membrane 130.

Referring to (a) of FIG. 12, the steps (a) include: (a1) operation of the input pump, (a2) distilled water in the input port 11, the operation of the input pump 21 Passing through the input tube 31 and flowing into the input pump 21, and (a3) the distilled water flowing into the input pump 21 passes through the second input tube 32 and flows into the lower chip unit 110. includes steps to

Next, referring to (b) of FIG. 12 , in the step (b), the liquid to be permeated is supplied to the upper channel 125 provided in the upper chip unit 120 by the syringe 40 .

Next, referring to (c) of FIG. 12, in step (c), a pressure difference occurs between the liquid to be permeated flowing in the upper channel 125 and the distilled water flowing in the lower channel 115, and the above pressure Depending on the difference, a portion of the liquid to be permeated sequentially passes through the four upper permeation holes 126, the permeable membrane 130, and the four lower permeation holes 116 and is transmitted into the lower channel 115.

Next, in the step (d), (d1) the operation of the output pump 22, (d2) the liquid to be permeated through the lower chip part 110 is transmitted through the first output tube by the operation of the output pump 22. (33) to pass through the output pump (22) and (d3) to pass through the output pump (22) and pass through the second output tube (34) to discharge the target liquid to the output port (12). includes

12(d) shows the assembled permeation efficiency evaluation chip 100 in a state in which all of the liquid to be permeated and distilled water are removed after the test is finished.

Next, in the step (e), the measuring device measures the concentration of a part of the liquid to be permeated through the output port 12, and then uses the concentration of the liquid to be permeated in the upper channel 125 before permeation through the permeable membrane. The transmittance of (130) is derived.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

100: assembled transmission efficiency evaluation chip
110: lower chip portion
111: first lower chip
112: second lower chip
113: third lower chip
114: coupling member
115: lower channel
116: lower transmission hole
120: upper chip portion
121: first upper chip
122: second upper chip
123: third upper chip
124: coupling groove
125: upper channel
126: upper transmission hole
130: permeable membrane

Claims (13)

a lower chip portion in which both side portions protrude upward from the central portion;
an upper chip portion coupled to the lower chip portion to surround a central portion of the lower chip portion; and
Including; a transmission membrane positioned between the lower chip portion and the upper chip portion,
The permeation membrane permeates the liquid to be permeated through the lower chip using a pressure difference between distilled water flowing into the lower chip and the liquid to be permeated flowing into the upper chip. chip.
According to claim 1,
The lower chip portion,
a first lower chip which is a central part of the lower chip and has a hexahedral shape;
a pair of coupling members protruding upward from both sides of the upper surface of the first lower chip; and
Four lower penetration holes located between the pair of coupling members and penetrating the central portion of the upper surface of the first lower chip;
The assembly-type transmission efficiency evaluation chip, characterized in that the transmission membrane is located in the central portion of the upper surface of the first lower chip to cover the four lower transmission holes.
According to claim 2,
The lower chip portion,
a second lower chip having a hexahedral shape coupled to one side of the first lower chip;
a third lower chip positioned to face the second lower chip and coupled to the other side of the first lower chip; and
A lower channel exposed to the outside of the second lower chip and the third lower chip and continuously formed inside the first to third lower chips;
The assembled transmission efficiency evaluation chip, characterized in that the distilled water introduced from the outside flows in the lower channel.
According to claim 3,
The upper chip portion,
a first upper chip positioned at a central portion of the upper chip unit, coupled to the first lower chip, and having a hexahedral shape;
a pair of coupling grooves that are recessed from both sides of the lower surface of the first upper chip to the upper side and into which the pair of coupling members are inserted; and
Four upper penetration holes located between the pair of coupling grooves and penetrating the central portion of the upper surface of the first upper chip;
The assembled transmission efficiency evaluation chip, characterized in that the transmission membrane is located between the four lower transmission holes and the four upper transmission holes.
According to claim 4,
The upper chip portion,
a second lower chip coupled to one side of the first upper chip, protruding downward from the first lower chip, and having a hexahedral shape;
a third lower chip positioned to face the second upper chip, protruding downward from the first lower chip, and coupled to the other side of the first upper chip; and
An upper channel exposed to the outside of the second upper chip and the third upper chip and continuously formed inside the first to third upper chips;
The assembled permeation efficiency evaluation chip, characterized in that the liquid to be injected from the outside flows in the upper channel.
According to claim 5,
The lower channel communicates with the four lower transmission holes,
The upper channel communicates with the four upper transmission holes,
A part of the liquid to be permeated flowing in the upper channel is transmitted into the lower channel through the four upper permeation holes, the permeation membrane, and the four lower permeation holes due to the pressure difference between the liquid to be permeated and the distilled water. Assembled transmittance efficiency evaluation chip.
According to claim 1,
The combined upper and lower chip parts have a cross shape when looking at the upper surface of the upper chip part.
According to claim 1,
The upper chip part and the lower chip part are fabricated using stereolithography 3D printing, characterized in that the assembly-type transmission efficiency evaluation chip.
According to claim 8,
The stereolithography 3D printing is an assembled transmission efficiency evaluation chip, characterized in that implemented in any one of a light source method and a DMD method.
The assembled transmission efficiency evaluation chip according to claim 1;
a port including an input port through which the distilled water supplied from the outside passes and an output port through which the distilled water is discharged to the outside;
An input pump located between the input port and the lower chip unit to supply distilled water from the input port to the lower chip unit, and an input pump located between the lower chip unit and the output port to transmit the liquid to be permeated through the lower chip unit to the lower chip unit. A pump including an output pump for discharging to an output port;
A first input tube communicating the input port and the input pump, a second input tube communicating the input pump and the lower chip, a first output tube communicating the lower chip and the output pump, and a communication between the output pump and the output pump. A tube including a second output tube communicating the output port;
a syringe for supplying the liquid to be permeated to the upper chip; and
and a measuring device for deriving the transmittance of the permeable membrane by measuring the concentration of the residue remaining in the permeable membrane or the liquid to be permeated through the lower chip.
In the control method of the assembled transmittance efficiency evaluation system according to claim 10,
(a) supplying, by the input pump, the distilled water in the input port to the lower chip unit;
(b) supplying the liquid to be permeated to the upper chip by the syringe;
(c) allowing the liquid to be permeated through the lower chip by using a pressure difference between the distilled water flowing into the lower chip and the liquid to be permeated flowing into the upper chip;
(d) discharging the liquid to be permeated through the lower chip through the output port by the output pump; and
(e) deriving the transmittance of the permeable membrane by measuring the concentration of the liquid to be permeated through the residue or the lower chip by the measuring device; .
According to claim 11,
In step (a),
(a1) operating the input pump;
(a2) introducing the distilled water from the input port into the input pump through the first input tube by the operation of the input pump; and
(a3) introducing distilled water introduced into the input pump into the lower chip through the second input tube;
According to claim 11,
In step (d),
(d1) operating the output pump;
(d2) allowing the liquid to be permeated through the lower chip portion to flow into the output pump through the first output tube by the operation of the output pump; and
(d3) the step of discharging the liquid to be permeated into the output pump through the second output tube and discharged to the output port.

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