Device for assisting connection of silica gel microneedle membrane and micro-fluidic chip and core machine
By designing a device for assisting the connection of silicone microneedle film to microfluidic chips, the problems of inconvenient connection and poor reliability of microfluidic chips in the prior art are solved, and electrical connections with high reliability and precise control are achieved, and a breakthrough is made PIN limit for traditional connectors.
Patent Information
- Application Number
- CN202310641789.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-05-31
- Publication Date
- 2024-12-10
AI Technical Summary
The plug-in connection between the existing microfluidic chip and the core machine has problems such as limited number of PINs, poor reliability, and inconvenient installation and disassembly.
A device for assisting the connection of silicone microneedle film to the microfluidic chip is designed, including a housing, chip mount, locking mechanism and flip connection mechanism, which is connected to the contact point of the silicone microneedle film to the microfluidic chip. It also uses the motor to control the downward stroke to achieve accurate fixed compression, breaking through the PIN limit of traditional connectors.
It realizes easy installation and disassembly of microfluidic chips, improves connection reliability and electrical performance, breaks through the pin tip limit of traditional connectors, and has low resistivity and excellent electrical connection performance.
Smart Images

Figure CN119108841A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of microfluidics, and in particular to a device and a core machine for assisting the connection between a silicone microneedle membrane and a microfluidic chip. Background Art
[0002] Digital microfluidics (DMF) is an emerging full-range micro-droplet manipulation technology based on the principle of dielectric wetting (Electrowetting-on-dielectr ic, EWOD) to automatically control discrete droplets. By energizing the electrodes in sequence, basic operations such as the transportation, generation, merging, and splitting of droplets at the picoliter level and above can be achieved. Its advantages are low cost, simple processing, high degree of integration, and programmed control, which are of great significance in sample preparation, reaction, analysis, and recovery.
[0003] In the prior art, microfluidic chips and core machines are often connected in a plug-in manner; the plug-in connector has the following disadvantages: 1. The number of PINs is limited; 2. The reliability is poor, the number of uses is limited, and it is easy to be damaged; 3. It is difficult to plug and unplug, and it is inconvenient to install and disassemble. Summary of the invention
[0004] The purpose of the present invention is to avoid the shortcomings of the prior art and provide a device for assisting the connection between a silicone microneedle membrane and a microfluidic chip.
[0005] The purpose of the present invention is achieved through the following technical solutions:
[0006] According to one aspect of the present invention, a device for assisting the connection between a silicone microneedle membrane and a microfluidic chip is proposed, which is used for fixing and installing a microfluidic chip, and the microfluidic chip is provided with a plurality of connection contacts; it is characterized in that it comprises: a housing, a chip mounting seat, a locking tongue mechanism, a flip cover connection mechanism and a flip cover; the chip mounting seat is fixedly mounted on the housing; the chip mounting seat is used to place the microfluidic chip; a silicone microneedle membrane is provided above the chip mounting seat, which is used to connect with each connection contact of the microfluidic chip; the locking tongue mechanism and the flip cover connection mechanism are both arranged on the housing; the flip cover is axially connected to the flip cover connection mechanism; the locking tongue mechanism is used to engage and connect with the flip cover, and the flip cover is arranged at a position corresponding to the chip mounting seat.
[0007] Specifically, it also includes an ACS fixing seat, which is arranged on one side of the chip mounting seat and fixedly connected to the shell; the silicone microneedle membrane is arranged on the ACS fixing seat.
[0008] More specifically, after the microfluidic chip is installed, the silicone microneedle membrane is disposed below and / or under each connection contact of the microfluidic chip.
[0009] In another specific embodiment, the chip mounting seat further includes an adapter plate, and the silicone microneedle membrane is fixedly connected to the adapter plate.
[0010] The above also includes: a first motor and a second motor; the first motor and the second motor are fixedly connected to the shell; the lock tongue mechanism is transmission-connected to the first motor; the flip cover connection mechanism is transmission-connected to the second motor; the first motor and the second motor are respectively used to control the lock tongue mechanism and the flip cover connection mechanism to move up and down perpendicular to the chip mounting seat.
[0011] Specifically, the lock tongue mechanism includes a lock tongue fixing seat, a lock tongue part, a push-pull block and a compacting mechanism; the lock tongue fixing seat is transmission-connected to the first motor; the compacting mechanism is arranged on the lock tongue fixing seat, one side of the compacting mechanism is connected to the push-pull block, and the other side is connected to the lock tongue part.
[0012] More specifically, the compaction mechanism includes a first linear bearing, a second linear bearing, a first spring, a second spring, a first guide rod and a second guide rod; the first guide rod is arranged in parallel with the second guide rod; the first guide rod passes through the first linear bearing and the first spring, and the two ends of the first guide rod are respectively fixedly connected to the push-pull block and the lock tongue part; the second guide rod passes through the second linear bearing and the second spring, and the two ends of the second guide rod are respectively fixedly connected to the push-pull block and the lock tongue part.
[0013] More specifically, two first motors are provided, which are respectively arranged at corresponding positions on both sides of the lock tongue fixing seat.
[0014] In the above, the flip cover connecting mechanism includes a flip cover fixing seat, a third linear bearing and a third guide rod; the third linear bearing is connected to the third guide rod shaft; the second motor is arranged on one side of the flip cover connecting mechanism, and the third linear bearing and the third guide rod are arranged on the other side of the flip cover connecting mechanism; one end of the third guide rod is fixedly connected to the flip cover fixing seat or the shell.
[0015] Furthermore, the flip cover fixing seat is provided with a connecting groove, one end of the connecting groove is provided with a damping shaft, and the other end is provided with a ball bearing; the flip cover is connected to the flip cover fixing seat shaft through the damping shaft and the ball bearing.
[0016] Furthermore, the flip cover is also provided with an operation hole, which corresponds to the operation area of the microfluidic chip.
[0017] According to another aspect of the present invention, a core machine is proposed, comprising the above-mentioned device for assisting the connection of the silicone microneedle membrane, and a control circuit board; the microfluidic chip is connected to the control circuit board through the silicone microneedle membrane.
[0018] Specifically, it also includes a temperature control device; the temperature control device is fixedly connected to the shell; one end of the temperature control device is connected to a plurality of temperature control tubes; the other end of each temperature control tube is connected to the chip mounting seat.
[0019] Beneficial effects of the present invention: The device and core machine of the present application for assisting the connection between a silicone microneedle membrane and a microfluidic chip, the way of installing and connecting the microfluidic chip makes positioning, installation and disassembly easier and simpler; in addition, the use of silicone microneedle membrane for connection can break through the limit of the number of PINs in traditional connectors, further refine the needle tip distance, and have low resistivity, high reliability, and excellent electrical connection performance; and by controlling the downward pressure stroke through a motor, the fixed compression amount of the silicone microneedle membrane can be precisely controlled. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0021] Figure 1 This is a schematic diagram of the overall structure of a device for assisting the connection between a silicone microneedle membrane and a microfluidic chip and a core machine according to an embodiment of the present application;
[0022] Figure 2 It is a schematic diagram of the exploded structure of a device for assisting the connection between a silicone microneedle membrane and a microfluidic chip and a core machine according to an embodiment of the present application;
[0023] Figure 3 This is a schematic diagram of the partial structure of a device for assisting the connection between a silicone microneedle membrane and a microfluidic chip and a core machine in an embodiment of the present application. Figure 1 ;
[0024] Figure 4 This is a schematic diagram of the partial structure of a device for assisting the connection between a silicone microneedle membrane and a microfluidic chip and a core machine in an embodiment of the present application. Figure 2 ;
[0025] in, Figure 1 and Figure 2 Included are:
[0026] 11. upper cover; 112. chip opening; 12. housing;
[0027] 2. Flip cover connecting mechanism; 21. Flip cover fixing seat; 211. Third linear bearing; 212. Third guide rod;
[0028] 22. connecting slot; 23. second motor;
[0029] 3. Lock tongue mechanism; 31. Metal cover; 311. Mounting cover; 32. Lock tongue fixing seat;
[0030] 321, motor connecting shaft; 33, locking tongue portion; 34, push-pull block; 35, first guide rod;
[0031] 36. second guide rod; 37. first linear bearing;
[0032] 38. Second linear bearing;
[0033] 4. Microfluidic chip; 41. Chip cover;
[0034] 5. flip cover; 51. handle; 52. snap-fit portion; 521. groove; 53. operation hole;
[0035] 6. ACS fixing seat; 61. Silicone microneedle membrane;
[0036] 7. Temperature control device; 8. Chip mounting seat; 9. Control circuit board. DETAILED DESCRIPTION
[0037] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described through the implementation method with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.
[0038] In the description of the present invention, "several" means more than one, "many" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0039] In the description of the present invention, unless otherwise clearly defined, words such as "setting" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.
[0040] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0041] Example 1
[0042] like Figure 1 , Figure 2 and Figure 3 As shown, one of the implementation modes of a core machine of the present application includes a device for assisting the connection of a silicone microneedle membrane, a control circuit board 9 and a temperature control device 7.
[0043] Among them, a device for assisting the connection between the silicone microneedle membrane and the microfluidic chip is used to fix and install the microfluidic chip 4, and the microfluidic chip 4 is provided with connection contacts; it includes: a shell 12, a chip mounting seat 8, an ACS fixing seat 6, a locking tongue mechanism 3, a flip cover connecting mechanism 2 and a flip cover 5.
[0044] The chip mounting seat 8 and the ACS mounting seat 6 are fixedly mounted on the housing 12; the chip mounting seat 8 is used to place the microfluidic chip 4; the ACS mounting seat 6 is provided with a silicone microneedle membrane 61 for connecting with various connection contacts of the microfluidic chip 4. The microfluidic chip 4 is also provided with a chip upper shell 41.
[0045] The ACS fixing seat 6 is arranged on one side of the chip mounting seat 8, and after the microfluidic chip 4 is installed, the silicone microneedle membrane 61 is arranged below and / or below each connection contact of the microfluidic chip 4. The microfluidic chip 4 is also provided with an interface board 42 (i.e., the line is output in the form of a wiring arrangement), and the interface board can be a PCB circuit board or an FPC circuit board. The silicone microneedle membrane 61 is used to connect to the interface board.
[0046] Specifically, Figure 2 As shown, in some embodiments, the silicone microneedle membrane 61 is disposed below the interface plate 42 (ie, each connection point of the microfluidic chip 4 ).
[0047] like Figure 3 As shown, in some other embodiments, the silicone microneedle membrane 61 is disposed above the interface plate 42 .
[0048] Furthermore, the locking tongue mechanism 3 and the flip cover connecting mechanism 2 are both arranged on the housing 12; the flip cover 5 is axially connected to the flip cover connecting mechanism 2; the locking tongue mechanism 3 is used to be snap-connected with the flip cover 5, and the flip cover 5 is arranged at a position corresponding to the chip mounting seat 8.
[0049] The microfluidic chip 4 is connected to the control circuit board 9 via the silica gel microneedle membrane 61. The temperature control device 7 is connected to the control circuit board 9, and the working state of the temperature control device 7 is controlled by the control circuit board 9.
[0050] In this embodiment, the control circuit board 9 is a PCB circuit board.
[0051] The temperature control device 7 is fixedly connected to the housing 12 ; one end of the temperature control device 7 is connected to a plurality of temperature control tubes; the other end of each temperature control tube is connected to the chip mounting seat 8 .
[0052] Furthermore, the flip cover 5 is provided with an operation hole 53, which corresponds to the operation area of the microfluidic chip 4; a handle 51 is provided on one side of the flip cover 5 for easy operation. The microfluidic chip 4 is also provided with a chip upper shell 41.
[0053] Specifically, a device for assisting the connection between the silicone microneedle membrane and the microfluidic chip also includes: a first motor and a second motor 23 ( Figure 2 Only the connecting shaft of the second motor is shown in the figure). The first motor and the second motor 23 are fixedly connected to the housing 12; the locking tongue mechanism 3 is in driving connection with the first motor; and the flip cover connecting mechanism 2 is in driving connection with the second motor 23. The first motor and the second motor 23 are respectively used to control the locking tongue mechanism 3 and the flip cover connecting mechanism 2 to move up and down perpendicular to the chip mounting seat 8. By controlling the downward pressing stroke by the first motor and the second motor 23, the fixed compression amount of the silicone microneedle membrane 61 can be accurately controlled.
[0054] More specifically, the locking tongue mechanism 3 includes a locking tongue fixing seat 32 , a locking tongue portion 33 , a push-pull block 34 and a compacting mechanism.
[0055] The bolt fixing seat 32 is provided with a motor connecting shaft 321 for transmission connection with the first motor. There are two first motors, which are respectively arranged at corresponding positions on both sides of the bolt fixing seat 32 (ie respectively connected with corresponding motor connecting shafts 321).
[0056] The compacting mechanism is arranged on the locking tongue fixing seat 32, one side of the compacting mechanism is connected to the push-pull block 34, and the other side is connected to the locking tongue portion 33. An inclined protrusion is arranged at one end of the locking tongue portion 33, and a groove 521 is arranged at a position corresponding to the inclined protrusion on the engaging portion 52 of the flip cover 5, so as to facilitate the locking of the flip cover 5 after being pressed down. The locking tongue portion 33 can be moved by pulling the push-pull block 34.
[0057] More specifically, the compaction mechanism includes a first linear bearing 37, a second linear bearing 38, a first spring, a second spring, a first guide rod 35 and a second guide rod 36; the first guide rod 35 and the second guide rod 36 are arranged in parallel; the first guide rod 35 passes through the first linear bearing 37 and the first spring, and the two ends of the first guide rod 35 are respectively fixedly connected to the push-pull block 34 and the locking tongue portion 33; the second guide rod 36 passes through the second linear bearing 38 and the second spring, and the two ends of the second guide rod 36 are respectively fixedly connected to the push-pull block 34 and the locking tongue portion 33.
[0058] Additionally, the locking tongue mechanism 3 further includes a mounting cover 311 and a metal cover 311 ; the mounting cover 311 is fixedly connected to the locking tongue fixing seat 32 for fixing the mounting position of the compacting mechanism; the metal cover 311 is disposed above the mounting cover 311 and is fixedly connected to the mounting cover 311 .
[0059] More specifically, the flip cover connection mechanism 2 includes a flip cover fixing seat 21 , a third linear bearing 211 and a third guide rod 212 ; the third linear bearing 211 is axially connected to the third guide rod 212 .
[0060] The second motor 23 is arranged on one side of the flip cover connection mechanism 2, and the third linear bearing 211 and the third guide rod 212 are arranged on the other side of the flip cover connection mechanism 2; one end of the third guide rod 212 is fixedly connected to the flip cover fixing seat 21 or the housing 12. The third linear bearing 211 cooperates with the third guide rod 212 to ensure that the flip cover connection mechanism 2 does not have position deviation when moving up and down.
[0061] The flip cover fixing seat 21 is provided with a connecting groove 22 , one end of the connecting groove 22 is provided with a damping shaft, and the other end is provided with a ball bearing; the flip cover 5 is axially connected to the flip cover fixing seat 21 via the damping shaft and the ball bearing.
[0062] Additionally, a device for assisting the connection between the silicone microneedle membrane and the microfluidic chip also includes an upper cover 11; the upper cover 11 is fixedly connected to the shell 12; the flip cover connection mechanism 2 and the lock tongue mechanism 3 are both arranged above the upper cover 11; a chip opening 112 is provided on the upper cover 11; the opening of the chip opening 112 matches the shape and size of the microfluidic chip 4, so as to facilitate the placement of the microfluidic chip 4.
[0063] When in use, the user can place the microfluidic chip 4 on the chip mounting seat 8, align the microfluidic chip 4 or the interface board of the microfluidic chip 4 with the silicone microneedle membrane 61, and then flip the flip cover 5 downward. The engaging portion 52 of the flip cover 5 first contacts the inclined protrusion of the locking tongue portion 33, and then continue to flip the flip cover 5 downward, causing the locking tongue portion 33 to move to one side, and finally the inclined protrusion of the locking tongue portion 33 is embedded in the groove at the end of the flip cover 5. The first motor and the second motor 23 are operated at the same time, so that the flip cover connection mechanism 2 and the locking tongue mechanism 3 move downward at the same time, and then the flip cover 5 moves downward to apply pressure to the microfluidic chip 4 and the silicone microneedle membrane 61; the silicone microneedle membrane 61 is compressed to a fixed stroke (10% of the thickness), so that the control circuit board 9 and the microfluidic chip 4 are connected. Among them, the silicone microneedle membrane 61 needs to be kept under pressure to ensure conduction.
[0064] Example 2
[0065] One of the implementation methods of the device for assisting the connection of silicone microneedle membranes in the present application is as follows: Figure 4As shown, the main technical scheme of this embodiment is basically the same as that of Embodiment 1. The features not explained in this embodiment are explained in Embodiment 1 and will not be described again. The difference between this embodiment and Embodiment 1 is that:
[0066] The chip mounting base 8 also includes an adapter plate, and the silicone microneedle membrane 61 is arranged on the adapter plate and fixedly connected to the adapter plate. At the same time, the silicone microneedle membrane 61 is connected to the control circuit board 9 through the adapter plate. The shape and size of the adapter plate match the silicone microneedle membrane 61.
[0067] In this embodiment, the microfluidic chip 4 adopts a glass substrate through-hole or contact PAN flip-down technology, and the electrode contacts are arranged on the lower surface of the microfluidic chip 4 (that is, the wiring is not arranged in a wiring manner), and each contact of the microfluidic chip 4 is directly connected to the silicone microneedle membrane 61, so that the area of the microfluidic chip 4 and the number of electrodes (or pixel electrodes) will not be affected by the wiring limit, so that the area of the microfluidic chip 4 can be infinite or the number of electrodes can be infinite in theory.
[0068] In summary, the device and core machine of the present application for assisting the connection between the silicone microneedle membrane and the microfluidic chip, the way of installing and connecting the microfluidic chip makes positioning, installation and disassembly easier and simpler; in addition, the use of the silicone microneedle membrane 61 for connection can break through the limit of the number of PINs in the traditional connector connection, further refine the needle tip distance, and have low resistivity, high reliability, and excellent electrical connection performance; and by controlling the downward pressure stroke through the motor, the fixed compression amount of the silicone microneedle membrane can be precisely controlled.
[0069] If the integrated unit described in the present application is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), disk or optical disk and other media that can store program codes.
[0070] Note that the above are only preferred embodiments of the present application and the technical principles used. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present application. Therefore, although the present application is described in more detail through the above embodiments, the present application is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A device for assisting the connection between a silicone microneedle membrane and a microfluidic chip, used for fixing and installing the microfluidic chip, wherein the microfluidic chip is provided with a plurality of connection contacts; It is characterized in that include: A housing, a chip mounting seat, a locking tongue mechanism, a flip cover connecting mechanism and a flip cover; The chip mounting seat is fixedly mounted on the housing; the chip mounting seat is used to place the microfluidic chip; a silicone microneedle membrane is provided above the chip mounting seat for connecting with various connection contacts of the microfluidic chip; The locking tongue mechanism and the flip cover connecting mechanism are both arranged on the housing; The flip cover is axially connected to the flip cover connecting mechanism; the locking tongue mechanism is used for engaging and connecting with the flip cover, and the flip cover is arranged at a position corresponding to the chip mounting seat.
2. A device for assisting the connection of silicone microneedle membranes according to claim 1, Features: Also included is an ACS fixing seat, which is arranged on one side of the chip mounting seat and fixedly connected to the housing; The silica gel microneedle membrane is arranged on the ACS fixing seat.
3. A device for assisting the connection of silicone microneedle membranes according to claim 2, Features: After the microfluidic chip is installed, the silicone microneedle membrane is arranged below and / or under each connection contact of the microfluidic chip.
4. A device for assisting the connection of silicone microneedle membranes according to claim 1, Features: The chip mounting seat also includes an adapter plate, and the silicone microneedle membrane is fixedly connected to the adapter plate.
5. A device for assisting the connection of silicone microneedle membranes according to any one of claims 1 to 4, It is characterized in that Also includes: a first motor and a second motor; The first motor and the second motor are fixedly connected to the housing; The locking tongue mechanism is in driving connection with the first motor; the flip cover connection mechanism is in driving connection with the second motor; The first motor and the second motor are used to control the locking tongue mechanism and the flip cover connecting mechanism to move up and down perpendicular to the chip mounting seat, respectively.
6. A device for assisting the connection of silicone microneedle membranes according to claim 5, Features: The locking tongue mechanism comprises a locking tongue fixing seat, a locking tongue portion, a push-pull block and a compacting mechanism; The locking tongue fixing seat is drivingly connected to the first motor; The compacting mechanism is arranged on the locking tongue fixing seat, one side of the compacting mechanism is connected to the push-pull block, and the other side of the compacting mechanism is connected to the locking tongue portion.
7. A device for assisting the connection of silicone microneedle membranes according to claim 6, Features: The compacting mechanism includes a first linear bearing, a second linear bearing, a first spring, a second spring, a first guide rod and a second guide rod; The first guide rod is arranged in parallel with the second guide rod; The first guide rod passes through the first linear bearing and the first spring, and two ends of the first guide rod are fixedly connected to the push-pull block and the locking tongue portion respectively; The second guide rod passes through the second linear bearing and the second spring, and two ends of the second guide rod are fixedly connected to the push-pull block and the locking tongue portion respectively.
8. A device for assisting the connection of silicone microneedle membranes according to claim 7, Features: The first motors are provided with two, which are respectively arranged at corresponding positions on both sides of the lock tongue fixing seat.
9. A device for assisting the connection of silicone microneedle membranes according to any one of claims 6 to 8, Features: The flip cover connection mechanism includes a flip cover fixing seat, a third linear bearing and a third guide rod; the third linear bearing is connected to the third guide rod shaft; The second motor is arranged on one side of the flip cover connection mechanism, and the third linear bearing and the third guide rod are arranged on the other side of the flip cover connection mechanism; One end of the third guide rod is fixedly connected to the flip cover fixing seat or the housing.
10. A device for assisting the connection of silicone microneedle membranes according to claim 9, Features: The flip cover fixing seat is provided with a connecting groove, one end of the connecting groove is provided with a damping shaft, and the other end is provided with a ball bearing; The flip cover is connected to the flip cover fixing seat shaft through the damping shaft and the ball bearing.
11. A device for assisting the connection of silicone microneedle membranes according to claim 10, Features: The flip cover is also provided with an operation hole, and the operation hole corresponds to the operation area of the microfluidic chip.
12. A core machine, Features: A device for assisting the connection of a silicone microneedle membrane according to any one of claims 1 to 11, and a control circuit board; The microfluidic chip is connected to the control circuit board through the silica gel microneedle membrane.
13. A core machine according to claim 12, It is characterized in that Also includes: Temperature control device; The temperature control device is fixedly connected to the housing; One end of the temperature control device is connected to a plurality of temperature control tubes; the other end of each of the temperature control tubes is connected to the chip mounting seat.
