CN217328759U - Microfluid regulation and control device - Google Patents

Abstract

The utility model relates to a microfluid regulation and control device, which comprises a microfluidic chip, a self-adaptive liquid driving structure and a spring valve body structure, wherein the microfluidic chip consists of a film back plate, a film and a fixed plate, the film is clamped between the film back plate and the fixed plate, the fixed plate is provided with a first space, a valve body placing space and a second space, the film back plate is provided with a liquid injection port, the liquid injection port is positioned above the first space and is used for injecting liquid into a first liquid storage bin, a flow passage gap is formed between the film and the film back plate and extends from the first liquid storage bin to a second liquid storage bin, the spring valve body structure is arranged in the valve body placing space and is used for controlling the opening or closing of the flow passage gap, the self-adaptive liquid driving structure is arranged at the first space and is used for providing extrusion force for the first liquid storage bin, when the spring valve body structure is opened, the liquid flow passage in the first liquid storage bin is pushed to the gap, enters the second liquid storage bin through the flow passage gap. The utility model discloses the drive is effectual, and the choked flow is effectual.

Description

Microfluid regulation and control device

Technical Field

The utility model belongs to the technical field of it is micro-fluidic, especially, relate to a microfluid regulation and control device.

Background

Microfluidics generally refers to fluids flowing in a micron-scale space, and the scientific technology for controlling and processing the flow of microfluidics is called microfluidics, and the technology relates to multiple fields such as chemistry, fluid physics, microelectronics, new materials, biology and biomedical engineering, and is an emerging interdisciplinary discipline. The microfluidic chip integrates the basic functions of laboratories such as chemistry, biology and the like into a chip with the size of only a few square centimeters, and uses the microfluidic technology to carry out the manipulation and the processing of liquid. It is widely applied to the relevant fields of cell analysis, nucleic acid extraction, nucleic acid amplification, biochemical detection, immunodetection and the like.

The prior commonly used micro-fluidic valves comprise various valves such as pneumatic valves, paraffin valves, heating valves, electromagnetic valves, valves formed by motor stretching and retracting, and the like. Among the valves, the pneumatic valve needs a special air source, and the external air source may generate pollution; some microfluidic valves have poor transportability and can only be used in a certain microfluidic device; the paraffin valve can be used only once and cannot be operated repeatedly. Some microfluidic valves have complex structures, so that a microfluidic platform is too large, and the microfluidic platform is not convenient to process, assemble and use; the existing valve of the electromagnetic valve needs to be supported by an external device, and is a normally open valve, the valve can be controlled to be opened or closed only in the electrified state, the transfer and the storage are not facilitated, and the effect of the valve cannot be well realized.

SUMMERY OF THE UTILITY MODEL

Based on the problem that micro-fluidic valve existed among the prior art, the utility model provides a new microfluid regulation and control device.

The microfluid regulating device provided by the utility model adopts the spring and the metal block as the valve structure, and the microfluid regulating device is a normally closed valve without external equipment, and has simple structure and good flow blocking effect; the valve control device is an electromagnet, is easy to obtain, has strong universality and can be repeatedly used; the self-adaptive magnetoelectric liquid driving structure adopts a special articulated structure, has a self-adaptive adjusting function, can better compensate errors in the production and assembly processes, and has good accuracy and quick response; the liquid storage mode is a film bulging type, the cost is low, and the operation is easy.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a microfluid regulating and controlling device, which comprises a microfluid control chip, a self-adaptive liquid driving structure and a spring valve body structure,

the microfluidic chip consists of a film back plate, a film and a fixing plate, wherein the film back plate, the film and the fixing plate are arranged in parallel, the film is clamped between the film back plate and the fixing plate,

the fixing plate is provided with a first space, a valve body placing space and a second space which penetrate through the upper side and the lower side of the fixing plate, the valve body placing space is positioned between the first space and the second space, the film is not pressed by the fixing plate at the first space and the second space, the film is allowed to deform to form a first liquid storage bin and a second liquid storage bin respectively,

the film back plate is provided with a liquid injection port which is positioned above the first space and used for injecting liquid into the first liquid storage bin,

a flow passage gap is formed between the film and the film back plate, the flow passage gap extends from the first liquid storage bin to the second liquid storage bin,

the spring valve body structure is arranged in the valve body placing space and used for controlling the opening or closing of the flow passage gap,

the self-adaptive liquid driving structure is arranged in the first space and used for providing extrusion force for the first liquid storage bin, and when the spring valve body structure is opened, liquid in the first liquid storage bin is pushed to the flow channel gap and enters the second liquid storage bin through the flow channel gap.

In an embodiment of the present invention, the spring valve body structure is composed of a valve body device and an electromagnet, the valve body structure is a normally closed valve body structure, the valve body device is composed of a metal block and a spring, the metal block and the spring are embedded into the valve body placing space of the fixing plate from the upper side, the outer diameter of the spring is larger than the lower end outlet of the valve body placing space, a mechanical limitation is formed, a force toward the film is generated, the metal block is forced to be tightly pressed on the flow channel gap, and the flow channel gap is closed; when the electromagnet is electrified, attraction force is generated, the spring force is overcome, the metal block is attracted downwards, and the gap of the flow channel is opened.

The utility model discloses an in the embodiment, the metal block comprises two different diameter cylinders, and the diameter of major diameter cylinder is greater than spring inner circle diameter, and the diameter less than or equal to spring inner circle diameter of minor diameter cylinder, minor diameter cylinder agree with the spring, place the upper end in space from the valve body and place and put into in the valve body places the space.

The utility model discloses an in an embodiment, the size of spring can be changed according to required pressure to obtain bigger or littleer valve pressure, realize the big or small valve control purpose of different flows.

The utility model discloses an in an embodiment, the electro-magnet includes electromagnet housing, electro-magnet metal rod, electro-magnet coil skeleton and electro-magnet solenoid, electro-magnet metal rod is located electromagnet housing's middle part, electro-magnet coil skeleton is located the electro-magnet metal rod outside, electro-magnet solenoid twines on electro-magnet coil skeleton, electro-magnet solenoid and external power source intercommunication, electro-magnet metal rod is located the metal block below, when electro-magnet solenoid passes through the electric current, produces magnetic field promptly, and magnetic field is to electro-magnet metal rod effect, and electro-magnet metal rod produces the appeal, and the metal block receives the appeal influence, overcomes the spring force, and the downstream, the runner clearance is opened, and the valve is opened promptly, and liquid can circulate in the runner clearance.

In one embodiment of the present invention, the electromagnet housing is fixed to the fixing plate.

The utility model discloses an in an embodiment, self-adaptation liquid drive structure comprises adaptive piston and electromagnetism push rod device, and after electromagnetism push rod device circular telegram, electromagnetism push rod device promoted the motion of adaptive piston, and the first stock solution storehouse of swelling receives the extrusion force of adaptive piston. When the spring valve body structure is opened, liquid in the first liquid storage bin is pushed to the flow passage gap and enters the second liquid storage bin through the flow passage gap.

The utility model discloses an in the embodiment, it is right when the electromagnetism push rod device during the effect of self-adaptation piston, the self-adaptation piston angle can be adjusted according to the angle self-adaptation of film surface and horizontal plane after the effect of power is received to the self-adaptation piston.

In one embodiment of the present invention, the electromagnetic handspike device comprises a metal handspike, a handspike device housing, a handspike device electromagnetic coil, a handspike device coil frame, wherein the metal handspike is located in the middle of the handspike device housing, the handspike device coil frame is located outside the metal handspike, the handspike device electromagnetic coil is wound on the handspike device coil frame, the metal handspike is restrained by a spring below, the handspike device electromagnetic coil is communicated with an external power supply, the electromagnet metal rod is located below the adaptive piston, when the handspike device electromagnetic coil passes through current, a magnetic field is generated, the magnetic field acts on the metal handspike, the metal handspike overcomes the spring force to move upwards, the adaptive piston is pushed to extrude the first liquid storage bin, when the spring valve body structure is opened, the liquid in the first liquid storage bin is pushed to the runner gap to enter the second liquid storage bin through the runner gap, the control of the liquid is realized.

The utility model discloses an in an embodiment, the size in the first space of size adaptation of self-adaptation piston, the drive of liquid is realized to the electromagnetism push rod device promotion self-adaptation piston.

In one embodiment of the present invention, the push rod device housing is fixed to the fixing plate.

The utility model discloses an in the embodiment, there is an adaptive piston recess on the adaptive piston, metal push rod's top is formed with the circular head that pushes away of metal push rod, the circular head that pushes away of metal push rod is located adaptive piston recess, and adaptive piston recess agrees with completely with the circular head that pushes away of metal push rod, adaptive piston recess constitutes the self-adaptation function with the circular head that pushes away of metal push rod. When the force of the electromagnetic push rod device pushing upwards is applied, the film and the electromagnetic push rod device generate extrusion force on the adaptive piston groove and the circular push head of the metal push rod, and the adaptive piston groove is completely matched with the circular push head of the metal push rod, so that multidirectional rotation can be performed. Under the condition that the film or the adaptive piston is not completely horizontal, the extrusion force can deflect the angle between the adaptive piston groove which is originally in the horizontal state and the circular push head of the metal push rod so as to adapt to the angle possibly generated by the contact surface. The design can eliminate assembly errors and machining errors, so that liquid is discharged more completely.

In one embodiment of the present invention, a lid is provided in the liquid inlet, and the lid is used to inject liquid into the film when opened.

In an embodiment of the present invention, the fixing plate covers the film to strengthen the fixing effect.

In an embodiment of the present invention, the fixing plate is provided with a flow passage space capable of forming a flow passage gap between the first space and the second space.

In an embodiment of the present invention, the film back plate is connected to the film by bonding.

Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:

the valve body structure of the utility model belongs to a normally closed valve body structure, and after an external device is removed, the effect of closing the valve can be still realized, and the valve body structure has strong mobility and transportability; the valve body only uses the metal block and the spring, so that the valve body is simple in structure and easy to process; the selection of the spring can be changed according to the required pressure, and the control of different micro-flows and strong adaptability are realized. The utility model discloses a self-adaptive magnetoelectric liquid driving structure; the size of the liquid storage volume can be changed by changing the expansion effect of the diameter membrane of the liquid storage bin, the change of the diameter of the liquid storage bin is realized by changing the reserved flow channel gap during bonding, and the liquid storage volume has the advantages of strong flexibility, strong driving property, easy realization and low cost; the utility model discloses an error in assembly and the production process can be compensatied to the self-adaptation piston, reduces the production of liquid dead volume, has strengthened the transportation ability of liquid, and the reaction is nimble. The utility model discloses utilize the spring-electromagnetism to carry out shutoff and control to microfluid, the drive effect is good, and the reaction is sensitive, and the portability is strong, the choked flow is effectual.

Drawings

FIG. 1: the utility model discloses microfluid regulation and control device's overall structure sketch map in embodiment 1.

FIG. 2: the utility model discloses the detailed schematic diagram of valve body structure among the microfluid regulation and control device in embodiment 1.

FIG. 3: the schematic diagram of the electromagnetic push rod device-metal push rod circular push head in the microfluidic regulating device in embodiment 1 of the utility model;

FIG. 4 is a schematic view of: the structure schematic diagram of the self-adaptive piston groove in the microfluid regulation device in the embodiment 1 of the utility model is shown;

FIG. 5: the utility model discloses in embodiment 1 self-adaptation piston structure sketch map among the microfluid regulation and control device.

Reference numerals:

1: film backboard

2: a first space

3: the first liquid storage bin

4: cover for portable electronic device

5: film(s)

6: flow passage gap

7: fixing plate

8: valve body placing space

9: spring

10: metal block

11: self-adaptive piston groove

12: self-adaptive piston

13: metal push rod round pushing head

14: metal push rod

15: push rod device shell

16: electromagnetic coil of push rod device

17: push rod device coil framework

18: electromagnet shell

19: electromagnet metal stick

20: electromagnet coil framework

21: electromagnet coil

22: a second space.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Examples

Referring to fig. 1 to 5, the present embodiment provides a microfluidic regulating device, which includes a microfluidic chip, an adaptive liquid driving structure, and a spring valve structure.

The micro-fluidic chip is composed of a film back plate 1, a film 5 and a fixing plate 7, the film back plate 1, the film 5 and the fixing plate 7 are arranged in parallel, the film 5 is clamped between the film back plate 1 and the fixing plate 7, a first space 2, a valve body placing space 8 and a second space 22 which penetrate through the upper side and the lower side of the fixing plate 7 are arranged on the fixing plate 7, the valve body placing space 8 is positioned between the first space 2 and the second space 22, the film 5 is not pressed by the fixing plate 7 at the first space 2 and the second space 22, the film 5 is allowed to deform to form a first liquid storage bin 3 and a second liquid storage bin respectively, a liquid injection port is arranged on the film back plate 1 and positioned above the first space 2 and used for injecting liquid into the first liquid storage bin 3, a flow channel gap 6 is formed between the film 5 and the film back plate 1, the flow channel gap 6 extends from the first liquid storage bin 3 to the second liquid storage bin, the spring valve body structure is arranged in the valve body placing space 8 and used for controlling the opening or closing of the flow channel gap 6, the self-adaptive liquid driving structure is arranged at the first space 2 and used for providing extrusion force for the first liquid storage bin 3, and when the spring valve body structure is opened, liquid in the first liquid storage bin 3 is pushed to the flow channel gap 6 and enters the second liquid storage bin through the flow channel gap 6.

In this embodiment, the spring valve body structure is composed of a valve body device and an electromagnet, the valve body structure is a normally closed valve body structure, the valve body device is composed of a metal block 10 and a spring 9, the metal block 10 and the spring 9 are embedded into the valve body placing space 8 of the fixing plate 7 from the upper side, the outer diameter of the spring 9 is larger than the lower end outlet of the valve body placing space 8, a mechanical limitation is formed, a force towards the film 5 is generated, the metal block 10 is forced to be tightly pressed on the flow channel gap 6, and the flow channel gap 6 is closed; when the electromagnet is electrified, attraction force is generated, the metal block 10 is overcome by spring force, and the runner gap 6 is opened.

In this embodiment, the metal block 10 is composed of two cylinders with different diameters, the diameter of the cylinder with a large diameter is larger than the diameter of the inner ring of the spring 9, the diameter of the cylinder with a small diameter is smaller than or equal to the diameter of the inner ring of the spring 9, the cylinder with a small diameter fits the spring 9, and the cylinder with a small diameter is placed into the valve body placing space 8 from the upper end of the valve body placing space 8.

In this embodiment, the size of the spring 9 can be changed according to the required pressure, so as to obtain a larger or smaller valve pressure, and achieve the purpose of controlling valves with different flow rates.

In this embodiment, the electromagnet includes electromagnet housing 18, electromagnet metal rod 19, electromagnet coil skeleton 20 and electromagnet solenoid 21, electromagnet metal rod 19 is located electromagnet housing 18's middle part, electromagnet coil skeleton 20 is located electromagnet metal rod 19 outside, electromagnet solenoid 21 twines on electromagnet coil skeleton 20, electromagnet solenoid 21 and external power source intercommunication, electromagnet metal rod 19 is located metal block 10 below, when electromagnet solenoid 21 passes through the electric current, promptly produces magnetic field, and magnetic field is to electromagnet metal rod 19 effect, and electromagnet metal rod 19 produces the appeal, and metal block 10 receives the appeal influence, overcomes the spring force, and the downstream, and runner clearance 6 is opened, and the valve is opened promptly, and liquid can circulate in runner clearance 6.

In this embodiment, the electromagnet housing 18 is fixed to the fixed plate 7.

In this embodiment, the adaptive liquid driving structure is composed of an adaptive piston 12 and an electromagnetic push rod device, after the electromagnetic push rod device is powered on, the electromagnetic push rod device pushes the adaptive piston 12 to move, and the swelled first liquid storage bin 3 is subjected to the extrusion force of the adaptive piston 12. When the spring valve body structure is opened, the liquid in the first liquid storage bin 3 is pushed to the flow passage gap 6 and enters the second liquid storage bin through the flow passage gap 6. When the electromagnetic push rod device acts on the self-adaptive piston 12, after the self-adaptive piston 12 is acted by force, the angle of the self-adaptive piston 12 can be adjusted in a self-adaptive mode according to the angle between the surface of the film 5 and the horizontal plane.

In this embodiment, the electromagnetic push rod device includes a metal push rod 14, a push rod device housing 15, a push rod device electromagnetic coil 16, and a push rod device coil skeleton 17, the metal push rod 14 is located in the middle of the push rod device housing 15, the push rod device coil skeleton 17 is located outside the metal push rod 14, the push rod device electromagnetic coil 16 is wound on the push rod device coil skeleton 17, the lower portion of the metal push rod 14 is constrained by a spring 9, the push rod device electromagnetic coil 16 is communicated with an external power supply, the electromagnetic metal rod 19 is located below the adaptive piston 12, when the push rod device electromagnetic coil 16 passes through current, a magnetic field is generated, the magnetic field acts on the metal push rod 14, the metal push rod 14 moves upward against spring force, the adaptive piston 12 is pushed to extrude the first liquid storage tank 3, when the spring valve body structure is opened, liquid in the first liquid storage tank 3 is pushed to the flow passage gap 6, and enters the second liquid storage bin through the flow channel gap 6 to realize the control of liquid.

In this embodiment, the size of the adaptive piston 12 is adapted to the size of the first space 2, and the electromagnetic push rod device pushes the adaptive piston 12 to drive the liquid. The pusher housing 15 is fixed to the fixed plate 7.

In this embodiment, the adaptive piston 12 has an adaptive piston recess 11, a circular metal push rod pusher 13 is formed above the metal push rod 14, the circular metal push rod pusher 13 is located in the adaptive piston recess 11, the adaptive piston recess 11 is completely engaged with the circular metal push rod pusher 13, and the adaptive piston recess 11 and the circular metal push rod pusher 13 form an adaptive function. When the force of the electromagnetic push rod device pushing upwards is applied, the film 5 and the electromagnetic push rod device generate extrusion force on the adaptive piston groove 11 and the metal push rod circular push head 13, and the adaptive piston groove 11 and the metal push rod circular push head 13 are completely matched and can rotate in multiple directions. In the state that the film 5 or the adaptive piston 12 is not completely horizontal, the extrusion force can deflect the angle between the adaptive piston groove 11 and the metal push rod circular push head 13 which are originally in the horizontal state so as to adapt to the angle possibly generated by the contact surface. The design can eliminate assembly errors and machining errors, so that liquid is discharged more completely.

In this embodiment, a lid 4 is provided in the pouring port, and the lid 4 is opened to pour the liquid into the membrane 5.

In this embodiment, the fixing plate 7 covers the film 5 to enhance the fixing effect.

In this embodiment, the fixing plate 7 is provided with a flow channel space between the first space 2 and the second space 22, which can form the flow channel gap 6.

In this embodiment, the film back plate 1 and the film 5 are connected by bonding.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims (10)

1. A microfluid regulation device is characterized by comprising a microfluid chip, a self-adaptive liquid driving structure and a spring valve body structure,

the micro-fluidic chip is composed of a thin film back plate (1), a thin film (5) and a fixing plate (7), the thin film back plate (1), the thin film (5) and the fixing plate (7) are arranged in parallel, the thin film (5) is clamped between the thin film back plate (1) and the fixing plate (7), a first space (2) penetrating through the upper side and the lower side of the fixing plate (7), a valve body placing space (8) and a second space (22) are arranged on the fixing plate (7), the valve body placing space (8) is located between the first space (2) and the second space (22), the first space (2) and the second space (22) are located, the thin film (5) is not covered by the fixing plate (7), the thin film (5) is allowed to deform to form a first liquid storage bin (3) and a second liquid storage bin respectively, a liquid injection port is arranged on the thin film back plate (1), and the liquid injection port is located above the first space (2), is used for injecting liquid into the first liquid storage bin (3), a flow passage gap (6) is formed between the film (5) and the film back plate (1), the flow passage gap (6) extends from the first liquid storage bin (3) to the second liquid storage bin,

the spring valve body structure is arranged in the valve body placing space (8) and is used for controlling the opening or closing of the flow passage gap (6),

the self-adaptive liquid driving structure is arranged at the first space (2) and used for providing extrusion force for the first liquid storage bin (3), and when the spring valve body structure is opened, liquid in the first liquid storage bin (3) is pushed to the flow channel gap (6) and enters the second liquid storage bin through the flow channel gap (6).

2. A microfluidic regulating device according to claim 1, wherein the spring valve body structure is composed of a valve body device and an electromagnet, the valve body structure is a normally closed valve body structure, the valve body device is composed of a metal block (10) and a spring (9), the metal block (10) and the spring (9) are embedded into the valve body placing space (8) of the fixing plate (7), the outer diameter of the spring (9) is larger than the lower end outlet of the valve body placing space (8), a mechanical restriction is formed, a force towards the membrane (5) is generated, the metal block (10) is forced to be tightly pressed on the flow channel gap (6), and the flow channel gap (6) is closed; when the electromagnet is electrified, attraction force is generated, the spring force is overcome, the metal block (10) is attracted downwards, and the runner gap (6) is opened.

3. A microfluidic regulating device according to claim 2, wherein the metal block (10) is formed by two cylinders with different diameters, the diameter of the cylinder with large diameter is larger than the diameter of the inner ring of the spring (9), the diameter of the cylinder with small diameter is smaller than or equal to the diameter of the inner ring of the spring (9), the cylinder with small diameter fits the spring (9), and the cylinder with small diameter is placed into the valve body placing space (8) from the upper end of the valve body placing space (8).

4. The microfluidic regulating device according to claim 2, wherein the electromagnet comprises an electromagnet housing (18), an electromagnet metal rod (19), an electromagnet coil framework (20) and an electromagnet electromagnetic coil (21), the electromagnet metal rod (19) is located in the middle of the electromagnet housing (18), the electromagnet coil framework (20) is located outside the electromagnet metal rod (19), the electromagnet electromagnetic coil (21) is wound on the electromagnet coil framework (20), the electromagnet electromagnetic coil (21) is communicated with an external power supply, the electromagnet metal rod (19) is located below the metal block (10), when the electromagnet electromagnetic coil (21) passes through current, a magnetic field is generated, the magnetic field acts on the electromagnet metal rod (19), the electromagnet metal rod (19) generates attraction force, and the metal block (10) is influenced, overcoming the spring force, moves downwards, opens the flow channel gap (6), and the liquid can circulate in the flow channel gap (6).

5. The microfluid regulation device according to claim 4, wherein the adaptive liquid driving structure comprises an adaptive piston (12) and an electromagnetic ram device, and when the electromagnetic ram device is powered on, the electromagnetic ram device pushes the adaptive piston (12) to move, and the first bulged reservoir (3) is subjected to the extrusion force of the adaptive piston (12).

6. A microfluidic regulating device according to claim 5, wherein when the electromagnetic push rod device acts on the adaptive piston (12), the adaptive piston (12) is acted on by force, and the angle of the adaptive piston (12) is adaptively adjusted according to the angle between the surface of the membrane (5) and the horizontal plane.

7. The microfluid control device according to claim 5, wherein the electromagnetic push rod device comprises a metal push rod (14), a push rod device housing (15), a push rod device electromagnetic coil (16), and a push rod device coil skeleton (17), the metal push rod (14) is located in the middle of the push rod device housing (15), the push rod device coil skeleton (17) is located outside the metal push rod (14), the push rod device electromagnetic coil (16) is wound on the push rod device coil skeleton (17), the lower part of the metal push rod (14) is restrained by a spring (9), the push rod device electromagnetic coil (16) is communicated with an external power supply, the electromagnet metal rod (19) is located below the adaptive piston (12), when the push rod device electromagnetic coil (16) passes through current, a magnetic field is generated, and acts on the metal push rod (14), the metal push rod (14) overcomes the spring force to move upwards, and pushes the self-adaptive piston (12) to extrude the first liquid storage bin (3).

8. The microfluid regulation device according to claim 7, wherein an adaptive piston groove (11) is formed on the adaptive piston (12), a metal push rod circular push head (13) is formed above the metal push rod (14), the metal push rod circular push head (13) is located in the adaptive piston groove (11), the adaptive piston groove (11) is completely matched with the metal push rod circular push head (13), and the adaptive piston groove (11) and the metal push rod circular push head (13) form an adaptive function.

9. A microfluidic regulating device according to claim 1, wherein a lid (4) is arranged in the pouring opening, said lid (4) being adapted to pour liquid into the membrane (5) when opened.

10. A microfluidic regulating device according to claim 1, characterized in that the fixing plate (7) leaves a flow channel space between the first space (2) and the second space (22) in which the flow channel gap (6) can be formed.

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