Storage device for DNA data storage strip

Abstract

The utility model discloses a storage device for a DNA data storage strip, and the storage device comprises an injection pump module which comprises a multi-channel liquid injection head and a plurality of liquid injection mechanisms, and the liquid injection mechanisms are arranged along the periphery of the storage device; the strip box module comprises a strip box, a strip box bracket and a strip box mounting frame; a bar code identification module; the DNA storage strip operation module comprises a reaction tank moving module, a cleaning tank moving module and a strip pressing module; the control module is used for controlling the injection pump module, the strip box module, the bar code recognition module and the DNA storage strip operation module to act so as to perform DNA data writing, reading and erasing operation on the DNA storage strip. The storage device for the DNA data storage strip is simple in structure, low in operation difficulty and portable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of data storage devices, and particularly relates to a storage device for DNA data storage strips. Background Art

[0002] With the rapid development of contemporary information technology, the storage quantity of data information has increased exponentially, and this growth trend has exceeded the limit bearing capacity range of existing storage media.

[0003] The existing main data storage methods include solid-state drives, magnetic disks, optical memories, mechanical hard disks, etc. The disadvantages of the above storage methods are becoming increasingly obvious, including high storage energy consumption, inability to store data for a long time, susceptibility of data to environmental influence resulting in data loss and data errors, and a large amount of pollution generated during the production of storage media. In contrast, deoxyribonucleic acid (DNA) is a natural information storage medium, which has characteristics such as ultra-high information data storage density, long storage time, low storage energy consumption, and good structural stability.

[0004] However, the existing DNA data storage devices have complex structures, inconvenient operations, and are not easy to carry. Summary of the Utility Model

[0005] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a storage device for DNA data storage strips, which has a simple structure, low operation difficulty, and can be used portably.

[0006] According to an embodiment of the utility model, a storage device for DNA data storage strips, the storage device includes:

[0007] An injection pump module, including a multi-channel liquid injection head and a plurality of liquid injection mechanisms for supplying liquid to the multi-channel liquid injection head, and the liquid injection mechanisms are arranged along the periphery of the storage device;

[0008] A strip cassette module, arranged in the area surrounded by the plurality of liquid injection mechanisms, including a strip cassette, a strip cassette bracket, and a strip cassette mounting frame located at the top of the strip cassette bracket, and the strip cassette mounting frame can be rotated and opened to insert the strip cassette;

[0009] A bar code recognition module, arranged directly below the strip cassette, for recognizing the DNA storage strip on the strip cassette; )

[0010] The DNA storage strip operation module, which can be located between the strip cassette and the barcode recognition device, includes a reaction tank moving module, a cleaning tank moving module, and a strip pressing module. The reaction tank moving module can move the reaction tank under the strip cassette, the cleaning tank moving module can move the cleaning tank under the strip cassette, the strip pressing module can press the strip into the reaction tank to write data, and the strip pressing module can press the strip into the cleaning tank to erase data;

[0011] The control module is used to control the injection pump module, the strip cassette module, the barcode recognition module, and the DNA storage strip operation module to perform DNA data writing, reading, and erasing operations on the DNA strip.

[0012] According to an embodiment of the present invention, a storage device for a DNA data storage strip, the multi-channel liquid injection head includes a six-channel liquid injection head, four of the liquid injection mechanisms are located on one side of the storage device, and two of the liquid injection mechanisms and the six-channel liquid injection head are located on the adjacent side of the storage device.

[0013] According to an embodiment of the present invention, a storage device for a DNA data storage strip, the liquid injection mechanism includes an injection pump, a two-position three-way solenoid valve, and a two-position three-way liquid storage bottle. The two-position three-way liquid storage bottle is connected to the normally closed end of the two-position three-way solenoid valve through a liquid suction pipe, and the normally open end of the normally closed end of the two-position three-way solenoid valve is connected to the multi-channel liquid injection head through a liquid injection pipe, and the injection pump is arranged on the liquid injection pipe.

[0014] According to an embodiment of the present invention, a storage device for a DNA data storage strip, the injection pump includes a stepping motor slide, a glass syringe, and a push plate. The glass syringe is connected to the common end of the two-position three-way solenoid valve. The stepping motor slide drives the push plate, and the push plate moves in the glass syringe to enable the glass syringe to inject liquid through the liquid injection pipe, or to enable the glass syringe to suck liquid through the common end.

[0015] In other words, the injection pump module has an injection pump bracket, 1 six-channel liquid injection mechanism, 6 injection pumps, 6 corrosion-resistant two-position three-way solenoid valves, and 6 corrosion-resistant liquid storage bottles. The injection pump bracket has several connection holes for connecting and fixing the 6 injection pumps and 6 corrosion-resistant two-position three-way solenoid valves. The injection pump includes a stepping motor slide, a glass syringe, and a push plate; the six-channel liquid injection mechanism includes a stepping motor slide and a six-channel liquid injection head; the six-channel liquid injection head includes a six-channel connecting plate, a liquid path pipe, and a fixing plate; the injection pump module can achieve quantitative injection of six different liquids.

[0016] A storage device for DNA data storage strips according to an embodiment of the present utility model, wherein the barcode recognition module includes a high-speed industrial camera and an LED light source. The LED light source is used to provide sufficient illumination brightness in a dark field. The high-speed industrial camera is used to capture the barcode or two-dimensional code pattern on the DNA storage strip in real time, and to locate the area of the DNA storage strip that needs to be operated.

[0017] In other words, the barcode recognition module has a high-speed industrial camera and an LED light source. The LED light source is used to provide sufficient illumination brightness in a dark field. The high-speed industrial camera is used to capture the barcode or two-dimensional code pattern on the DNA storage strip in real time, and to locate the area of the DNA storage strip that needs to be operated.

[0018] A storage device for DNA data storage strips according to an embodiment of the present utility model, wherein the reaction tank moving module is used to move the reaction tank to a specified position for subsequent reactions. It includes a stepper motor slide table module, a reaction tank bracket, and a reaction tank. The reaction tank is installed on the reaction tank bracket, and the reaction tank bracket is connected to the stepper motor slide table module. The stepper motor slide table module drives the reaction tank bracket to move to change the position of the reaction tank.

[0019] A storage device for DNA data storage strips according to an embodiment of the present utility model, wherein the cleaning tank moving module is used to move the cleaning tank to a specified position for strip cleaning operations. It includes a stepper motor slide table module, a cleaning tank bracket, a cleaning tank, a self-circulating cleaning motor, and a liquid storage tank. The cleaning tank is installed on the cleaning tank bracket, and the cleaning tank bracket is connected to the stepper motor slide table module. The stepper motor slide table module drives the cleaning tank bracket to move to change the position of the cleaning tank. The self-circulating cleaning motor is connected to the cleaning tank and the liquid storage tank through a pipeline to enable the cleaning liquid to circulate and replenish between the cleaning tank and the liquid storage tank.

[0020] A storage device for DNA data storage strips according to an embodiment of the present utility model, wherein the strip pressing module is used to press the DNA strip into the reaction tank and the cleaning tank. It includes a stepper motor slide table module and a strip pressing mechanism. The stepper motor slide table module drives the strip pressing mechanism to move so that the strip pressing mechanism abuts against and presses the strip.

[0021] A storage device for DNA data storage strips according to an embodiment of the present utility model, wherein the strip cassette includes a DNA storage strip, a high-speed bearing, a tape reel, and a limit wheel. The tape reel is installed on the high-speed bearing, and external power causes the tape reel to rotate on the high-speed bearing to wind or unwind the strip. The limit wheel abuts against the strip to make a part of the strip straight for pressing.

[0022] In other words, the strip cassette module has a strip cassette, a strip cassette bracket, a strip cassette mounting frame, and two DC brushless servo motors; the strip cassette includes a DNA storage strip, high-speed bearings, a tape reel, and a limit wheel; the DC brushless servo motor is used to drive the DNA storage strip in the strip cassette to rotate clockwise or counterclockwise.

[0023] A storage device for a DNA data storage strip according to an embodiment of the present invention, wherein the control module includes an embedded development board and two multi-axis stepper motor controllers, and the embedded development board communicates with the two multi-axis stepper motor controllers to control the corresponding multi-axis stepper motors to act.

[0024] A storage device for a DNA data storage strip according to an embodiment of the present invention has at least the following beneficial effects:

[0025] The injection pump module of the present invention is located on the periphery of the storage device, which is convenient for maintenance and replacement.

[0026] The strip cassette module and the barcode recognition module of the present invention are arranged vertically, reducing the occupied space in the horizontal direction and facilitating placement and handling.

[0027] The DNA storage strip operation module of the present invention can be located between the strip cassette module and the barcode recognition module, facilitating DNA data writing, reading, and erasing operations, meeting the usage requirements while reasonably utilizing the space on both sides of the storage device, with a reasonable and optimized structure.

[0028] The present invention has a simple structure, is easy to install and use, is small in size, convenient to carry, has a low self-assembly cost, and can be adapted to the use of existing DNA storage strips.

[0029] The additional aspects and advantages of the present invention will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0031] Figure 1 is the first view of the overall structure of the embodiment of the present invention;

[0032] Figure 2It is the second view of the overall structure of the embodiment of the present utility model;

[0033] Figure 3 It is the first view of the internal structure of the embodiment of the present utility model;

[0034] Figure 4 It is the second view of the internal structure of the embodiment of the present utility model;

[0035] Figure 5 It is the internal structure view of the strip cassette of the embodiment of the present utility model;

[0036] Figure 6 It is the installation schematic diagram of the strip cassette of the embodiment of the present utility model.

[0037] In the figure: 1. Pushing plate, 2. First stepping motor slide table module, 3. Glass sampler, 4. Two-position three-way solenoid valve, 5. Liquid injection pipeline, 6. Liquid suction pipeline, 7. Liquid storage bottle, 8. Multi-axis stepping motor controller, 9. Strip cassette mounting bracket, 10. Strip cassette support, 11. Six-channel liquid injection head fixing plate, 12. Base plate, 13. Second stepping motor slide table module, 14. Six-channel liquid injection head support, 15. Liquid storage tank, 16. DC brushless servo motor, 17. Embedded development board, 18. LED light source, 19. Third stepping motor slide table module, 20. Reaction tank support, 21. Reaction tank, 22. Fourth stepping motor slide table module, 23. Strip pressing mechanism, 24. First self-circulating cleaning motor, 25. Second self-circulating cleaning motor, 26. Cleaning tank, 27. Industrial camera, 28. Fifth stepping motor slide table module, 29. DNA storage strip, 30. Strip cassette top cover, 31. Tape reel, 32. High-speed bearing, 33. Strip cassette bottom cover, 34. Limiting wheel, 35. Injection pump module support, 36. DNA storage strip operation module support. Detailed implementation manners

[0038] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0039] In the description of the present utility model, it should be understood that the orientation or positional relationship involved, such as up, down, front, back, left, right, etc., indicates the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0040] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is more than two, and understandings such as "greater than", "less than", "exceeding", etc. do not include the corresponding number, while understandings such as "above", "below", "within", etc. include the corresponding number. If "first" and "second" are described, this is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features or implicitly specifying the sequence relationship of the indicated technical features.

[0041] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0042] The following describes a storage device for DNA data storage strips according to an embodiment of the present utility model with reference to the accompanying drawings.

[0043] Refer to Figure 1 , the present utility model aims to provide an embodiment of a storage device for DNA data storage strips.

[0044] See Figures 1 to 4 , in this embodiment, the strip-shaped storage device for DNA data storage mainly includes an injection pump module, a barcode recognition module, a strip cassette module, a DNA storage strip operation module, a control module, and a bottom plate 12.

[0045] Among them, the injection pump module includes a push plate 1, a first stepping motor slide table module 2, a glass syringe 3, a two-way three-way solenoid valve 4, a liquid injection pipeline 5, a liquid suction pipeline 6, a liquid storage bottle 7, a six-channel liquid injection head fixing plate 11, a second stepping motor slide table module 13, a six-channel liquid injection head bracket 14, and an injection pump module bracket 35.

[0046] The first stepping motor slide table module 2 drives the push plate, and the push plate moves within the glass syringe 3 so that the glass syringe 3 injects liquid through the liquid injection pipeline 5, or so that the glass syringe 3 sucks liquid through the common end and the liquid suction pipeline 6.

[0047] Among them, the barcode recognition module includes an industrial camera 27 and an LED light source 18.

[0048] Among them, the strip cassette module includes a direct current brushless servo motor 16, a strip cassette mounting frame 9, a strip cassette bracket 10, a DNA storage strip 29, and a strip cassette.

[0049] Among them, the strip cassette includes a strip cassette top cover 30, a tape reel 31, a high-speed bearing 32, a strip cassette bottom cover 33, and a limit wheel 34. The tape reel 31 is installed on the high-speed bearing 32, and external power causes the tape reel 31 to rotate on the high-speed bearing 32 to wind or unwind the strip. The limit wheel 34 abuts against the strip to make a part of the strip straight for pressing.

[0050] Among them, the DNA storage strip operation module can be located between the strip cassette and the barcode recognition device, including a DNA storage strip operation module bracket 36, and also including a reaction tank moving module, a cleaning tank moving module, and a strip pressing module. The reaction tank moving module can move the reaction tank under the strip cassette, the cleaning tank moving module can move the cleaning tank under the strip cassette, the strip pressing module can press the strip into the reaction tank to write data, and the strip pressing module can press the strip into the cleaning tank to erase data.

[0051] Specifically, the reaction tank moving module includes a third stepper motor slide table module 19, a reaction tank bracket 20, and a reaction tank 21. The reaction tank 21 is installed on the reaction tank bracket 20, and the reaction tank bracket 20 is connected to the third stepper motor slide table module 19. The third stepper motor slide table module 19 drives the reaction tank bracket 20 to move to change the position of the reaction tank 21.

[0052] The strip pressing module includes a fifth stepper motor slide table module 28 and a strip pressing mechanism 23. The fourth stepper motor slide table module 22 drives the strip pressing mechanism 23 to move so that the strip pressing mechanism 23 abuts against and presses the strip.

[0053] The cleaning tank moving module includes a first self-circulating cleaning motor 24, a second self-circulating cleaning motor 25, a cleaning tank 26, a fourth stepper motor slide table module 22, and a liquid storage tank 15. The cleaning tank 26 is installed on the cleaning tank bracket, and the cleaning tank bracket is connected to the fourth stepper motor slide table module 22. The fourth stepper motor slide table module 22 drives the cleaning tank bracket to move to change the position of the cleaning tank 26. The first self-circulating cleaning motor 24 and the second self-circulating cleaning motor 25 are connected to the cleaning tank 26 and the liquid storage tank 15 through pipelines so that the cleaning liquid circulates and replenishes between the cleaning tank 26 and the liquid storage tank 15.

[0054] It is easy to understand that the stepper motor can be a linear motor, directly purchased, or a combination of a motor and a ball screw structure to realize the conversion from rotary motion to linear motion.

[0055] Among them, the control module includes a multi-axis stepper motor controller 8 and an embedded development board 17. The embedded development board 17 communicates with the two multi-axis stepper motor controllers 8 to control the corresponding multi-axis stepper motor actions, and the bottom plate 12 forms the basis for the installation and arrangement of each module.

[0056] The following will refer to the attached drawings for a detailed introduction to each module.

[0057] like Figure 1 As shown, the injection pump module is fixed on the base plate 12, and there are 6 liquid storage bottles 7, corresponding to 6 reagents respectively; there are 6 two-position three-way solenoid valves 4, whose normally open ends are connected to the injection pipe 5, and the normally closed ends are connected to the opening of the liquid storage bottle 7 through the suction pipe 6, and the common end is connected to the glass injector 3; there are 6 first stepper motor slide modules 2, and the first stepper motor slide module 2 is fixed on the injection pump module bracket 35; the tail of the push rod of the glass injector 3 is fixed on the push plate 1, and the injection pump push plate 1 is fixed on the slide of the first stepper motor slide module 2; the strip box module is fixed on the base plate 12.

[0058] like Figure 2 As shown, there are two brushless DC servo motors 16; the multi-axis stepper motor slide controller 8 is placed on the brushless DC servo motor 16; the embedded development board 17 is placed between the strip box bracket 10 and the injection pump module bracket 35; and the liquid reservoir 15 is installed between the strip box bracket 10 and the DNA storage strip operation module bracket 36.

[0059] like Figure 3 and 4 As shown, the LED light source 18, the third stepper motor slide module 19, the fourth stepper motor slide module 22, the first self-circulating cleaning motor 24, the second self-circulating cleaning motor 25, the cleaning tank 26, and the fifth stepper motor slide module 28 are installed on the DNA storage strip operation module bracket 36.

[0060] The reaction tank bracket 20 is mounted on the slider of the third stepping motor slide module 19 , and the reaction tank 21 is placed inside the reaction tank bracket 20 .

[0061] The strip pressing mechanism 23 is mounted on the slider of the fifth stepping motor slide module 28 .

[0062] like Figure 5 and 6 As shown, one end of the DNA storage tape 29 with a barcode pattern is connected to the take-up reel 31-1, and the other end is connected to the take-up reel 31-2 through the limiting reels 34-1 and 34-2; high-speed bearings 32-1 and 32-2 are located inside the take-up reels 31-1 and 31-2 respectively.

[0063] Syringe pump module workflow:

[0064] First, the injection pump module receives the injection instruction issued by the computer, the normally open end of the two-position three-way solenoid valve 4 is opened, and the normally closed end is closed. The push plate 1 of the first stepper motor slide module 2 drives the push rod of the glass injector 3 to move upward, and the liquid is injected from the glass injector 3 through the injection pipe 5 into the reaction tank 21, thus completing the injection work.

[0065] Then, when the injection pump module receives the liquid suction instruction sent by the computer, the normally closed end of the two-position three-way solenoid valve 4 opens, and the normally open end closes. The push plate 1 of the first stepping motor slide table module 2 drives the push rod of the glass syringe 3 to move downward, and the liquid is sucked from the liquid storage bottle 7 through the liquid suction pipeline 6 and the common end of the two-position three-way solenoid valve 4 into the glass syringe 3, thus completing the liquid suction operation.

[0066] The second stepping motor slide table module 13 can adjust the vertical position of the six-channel liquid injection head bracket 14 relative to the reaction tank 21. The six-channel liquid injection head fixing plate 11 is used to fix the liquid injection pipeline 5 on the six-channel liquid injection head bracket 14.

[0067] Workflow of the barcode recognition module: The LED light source 18 provides light when the industrial camera 27 takes pictures. The DNA storage strip 29 moves linearly driven by the DC brushless servo motor 16 and the tape reel 31. The industrial camera 27 can take moving pictures of the DNA storage strip 29, and through the barcode recognition program, recognize the barcode pattern on the surface of the DNA storage strip 29 and identify the position of the white stripe on the barcode on the surface of the DNA storage strip 29 that needs to be operated.

[0068] Workflow of the strip cassette module: The DC brushless servo motor 16 drives the tape reel 31 to rotate. The high-speed bearing 32 is built into the tape reel 31, and the DNA storage strip 29 moves linearly along the limit wheel 34 driven by the tape reel 31.

[0069] Workflow of the control module: The computer gives instructions, and the multi-axis stepping motor controller 8 and the embedded development board 17 execute the instructions given by the computer.

[0070] Workflow of the DNA storage strip operation module:

[0071] First, the third stepping motor slide table module 19 drives the reaction tank 21 on the reaction tank bracket 20 to move to the specified position.

[0072] Then, the fifth stepping motor slide table module 28 drives the strip pressing mechanism 23 to press the DNA storage strip 29 into the liquid in the reaction tank 21 for reaction.

[0073] Finally, after the reaction is completed, the third stepping motor slide table module 19 drives the reaction tank 21 on the reaction tank bracket 20 to move to the initial position. The fourth stepping motor slide table module 22 drives the cleaning tank 26 to move to the specified position. The fifth stepping motor slide table module 28 drives the strip pressing mechanism 23 to press the DNA storage strip 29 into the liquid in the cleaning tank 26 for cleaning. During cleaning, the first self-circulating cleaning motor 24 can continuously inject cleaning liquid into the liquid inlet end of the cleaning tank 26, and the second self-circulating cleaning motor 25 can continuously discharge the cleaning liquid from the liquid outlet end of the cleaning tank 26 into the liquid storage pool 15.

[0074] The overall working process of this utility model is as follows: First, place the DNA storage strip 29 into the strip cassette. Then, rotate to open the strip cassette mounting bracket 9, put the strip cassette into the strip mounting bracket 9, and rotate to close the strip mounting bracket 9. Finally, set the droplet size generated by the 6 nozzles in the injection pump module in the DNA data random indexing software in the computer. The DNA data random indexing software can identify according to the white strip operation area of the DNA storage strip 29 selected for operation, including barcode recognition module. It includes the DNA data random indexing software in the computer sending instructions to the control module to control the injection pump module. The strip cassette module and the DNA storage strip operation module cooperate with each other to implement operations such as DNA data writing, reading, and erasing in the specific white strip operation area of the DNA storage strip 29. The specific operation methods and reagents to be used can refer to the patents: CN202311300967.7, CN202111674171.9, CN202111674161.5.

[0075] In the description of this specification, the description with reference to terms such as "one embodiment, some embodiments, illustrative embodiments, examples, specific examples or some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0076] The embodiments of this utility model have been described in detail above in conjunction with the drawings. However, this utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art to which it pertains, various changes can be made without departing from the gist of this utility model.

Claims

1. A storage device for DNA data storage strips, characterized in that, The storage device includes: An injection pump module, including a multi-channel liquid injection head and a plurality of liquid injection mechanisms for supplying liquid to the multi-channel liquid injection head, and the liquid injection mechanisms are arranged along the periphery of the storage device; A strip cassette module, arranged in the area surrounded by the plurality of liquid injection mechanisms, including a strip cassette, a strip cassette bracket, and a strip cassette mounting frame located at the top of the strip cassette bracket, and the strip cassette mounting frame can be rotated and opened to insert the strip cassette; A bar code recognition module, arranged directly below the strip cassette, for recognizing the DNA storage strip on the strip cassette; A DNA storage strip operation module, which can be located between the strip cassette and the bar code recognition device, including a reaction tank moving module, a cleaning tank moving module, and a strip pressing module. The reaction tank moving module can move the reaction tank below the strip cassette, the cleaning tank moving module can move the cleaning tank below the strip cassette, the strip pressing module can press the strip into the reaction tank to write data, and the strip pressing module can press the strip into the cleaning tank to erase data; A control module, which is used to control the injection pump module, the strip cassette module, the bar code recognition module, and the DNA storage strip operation module to act to perform DNA data writing, reading, and erasing operations on the DNA strip.

2. The storage device for DNA data storage strips according to claim 1, wherein, The multi-channel liquid injection head includes a six-channel liquid injection head, four of the liquid injection mechanisms are located on one side of the storage device, and two of the liquid injection mechanisms and the six-channel liquid injection head are located on the adjacent side of the storage device.

3. A storage device for DNA data storage strips according to claim 1, characterized in that, The liquid injection mechanism includes an injection pump, a two-position three-way solenoid valve, and a two-position three-way liquid storage bottle. The two-position three-way liquid storage bottle is connected to the normally closed end of the two-position three-way solenoid valve through a liquid suction pipeline. The normally open end of the normally closed end of the two-position three-way solenoid valve is connected to the multi-channel liquid injection head through a liquid injection pipeline, and the injection pump is arranged on the liquid injection pipeline.

4. The storage device for DNA data storage strips according to claim 3, characterized in that, The injection pump includes a stepping motor slide table, a glass syringe, and a push plate. The glass syringe is connected to the common end of the two-position three-way solenoid valve. The stepping motor slide table drives the push plate, and the push plate moves in the glass syringe to enable the glass syringe to inject liquid through the liquid injection pipeline, or to enable the glass syringe to suck liquid through the common end.

5. The storage device for DNA data storage strips according to claim 1, characterized in that, The bar code recognition module includes a high-speed industrial camera and an LED light source. The LED light source is used to provide sufficient illumination brightness in a dark field. The high-speed industrial camera is used to capture the bar code or two-dimensional code pattern on the DNA storage strip in real time, and to locate the area of the DNA storage strip that needs to be operated.

6. A storage device for DNA data storage strips according to claim 1, characterized in that, The reaction tank moving module is used to move the reaction tank to a specified position for subsequent reactions, including a stepping motor slide table module, a reaction tank bracket, and a reaction tank. The reaction tank is installed on the reaction tank bracket, and the reaction tank bracket is connected to the stepping motor slide table module. The stepping motor slide table module drives the reaction tank bracket to move to change the position of the reaction tank.

7. The storage device for DNA data storage strips according to claim 1, wherein The cleaning tank moving module is used to move the cleaning tank to a specified position for strip cleaning operations, and includes a stepper motor slide table module, a cleaning tank bracket, a cleaning tank, a self-circulating cleaning motor, and a liquid storage tank. The cleaning tank is installed on the cleaning tank bracket, and the cleaning tank bracket is connected to the stepper motor slide table module. The stepper motor slide table module drives the cleaning tank bracket to move to change the position of the cleaning tank. The self-circulating cleaning motor is connected to the cleaning tank and the liquid storage tank through pipelines to make the cleaning liquid circulate and replenish between the cleaning tank and the liquid storage tank.

8. A storage device for DNA data storage strips according to claim 1, characterized in that, The strip pressing module is used to press the DNA strip into the reaction tank and the cleaning tank, and includes a stepper motor slide table module and a strip pressing mechanism. The stepper motor slide table module drives the strip pressing mechanism to move so that the strip pressing mechanism abuts against and presses the strip.

9. The storage device for a DNA data storage strip according to claim 1, characterized in that, The strip cassette includes a DNA storage strip, a high-speed bearing, a tape reel, and a limit wheel. The tape reel is installed on the high-speed bearing, and external power causes the tape reel to rotate on the high-speed bearing to wind or unwind the strip. The limit wheel abuts against the strip to make a part of the strip straight for pressing.

10. The storage device for DNA data storage strips according to claim 1, characterized in that, The control module includes an embedded development board and two multi-axis stepper motor controllers. The embedded development board communicates with the two multi-axis stepper motor controllers to control the corresponding multi-axis stepper motor to act.

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