A Raman spectroscopy detection device and a spectral detection method for deep-sea cold seeps

Abstract

The present invention relates to the field of marine detection technology, and particularly to a Raman spectroscopy detection device for deep-sea cold seeps: It includes a support plate, a Raman probe, and a base tape; the Raman probe is installed on the support plate, the Raman probe is connected to a deep-water motor through an upper clamp, the Raman probe is connected to a mounting plate through a lower clamp, the output end of the deep-water motor is connected to a driving wheel set, and the driving wheel set is used to transport the base tape. A tape storage wheel, a film take-up wheel, and a tape take-up gear are arranged on the support plate; the base tape is installed on the tape storage wheel; the base tape includes a base base tape, a double-sided adhesive layer, a base material, a release film layer, and a film covering that are sequentially laminated. The film covering is closely attached to the base base tape and completely covers and seals all intermediate layers therebetween. Edge holes are provided on the base base tape. The present invention solves the problem that the detected substance components in the existing deep-sea environment are affected by pressure, temperature, and chemical equilibrium, resulting in changes in chemical composition.

Description

Technical Field

[0001] The present invention relates to the technical field of marine detection, and particularly to a Raman spectroscopy detection device and a spectral detection method for deep-sea cold seeps. Background Art

[0002] Deep-sea cold seep systems have shaped special deep-sea environments and life phenomena, and are rich in important strategic resources, which have always been a hot topic in international frontier scientific research. Cold seep devices can obtain multi-disciplinary and multi-element marine environmental parameters in extreme deep-sea environments in real time and for a long time, which will significantly improve the efficiency and level of cold seep research and provide an important support platform for deep-sea extreme environment research. In-situ detection technology is one of the important features of cold seep devices and is also a key factor restricting their operation and management level. The rapid response characteristics of underwater spectroscopy detection technology give it irreplaceable technical advantages in the field of in-situ detection of cold seep environments. However, current underwater spectroscopy detection equipment is still unable to achieve in-situ detection of the main components in cold seep environments, which greatly limits the application of this technology in the field of in-situ detection of cold seep environments.

[0003] In the deep-sea environment, for the in-situ quantitative detection of dissolved gases such as , etc. and plasma components, the traditional sampling method is to bring seawater samples back to the ground laboratory for analysis. However, this method has significant limitations, mainly stemming from the following aspects:

[0004] Influence of pressure change: The deep-sea environment usually has extremely high hydrostatic pressure. When the sample is brought to the surface, this high-pressure condition rapidly changes to normal pressure. Dissolved gases such as and exist in seawater with relatively high solubility under high pressure, but are prone to escape during the decompression process, resulting in lower measurement results.

[0005] Influence of temperature change: The deep-sea temperature is usually relatively low (close to the freezing point), while the surface temperature is relatively high. The increase in temperature reduces the solubility of gases, causing the gases originally dissolved in seawater to be released, thus affecting the accurate measurement of the concentration of these gases.

[0006] Change of chemical equilibrium: Under different temperature and pressure conditions, the equilibrium of certain chemical reactions will shift. For example, the concentration of ions will change due to the change of pH value, which in turn affects the accuracy of their measurement. In addition, the interaction between certain dissolved gases and ions may also change due to the change of environmental conditions.

[0007] The present invention designs a Raman spectroscopy detection device for deep-sea cold seeps to solve the above technical problems. Summary of the Invention

[0008] The present invention provides a Raman spectroscopy detection device for deep - sea cold seeps, aiming to solve the problem that the detection of substance components in the existing deep - sea environment is affected by pressure, temperature and chemical equilibrium, resulting in chemical composition changes. The technical solution is as follows:

[0009] A Raman spectroscopy detection device for deep - sea cold seeps: It includes a support plate, a Raman probe and a base tape. The Raman probe is installed on the support plate. The Raman probe is connected to a deep - water motor through an upper hoop, and the Raman probe is connected to a mounting plate through a lower hoop. The output end of the deep - water motor is connected to a driving wheel set, and the driving wheel set is used to transport the base tape. A tape storage wheel, a film take - up wheel and a tape take - up gear are arranged on the support plate, and the base tape is installed on the tape storage wheel. The base tape includes a base base tape, a double - sided adhesive layer, a base material, a release film layer and a coating film which are sequentially laminated. The coating film is closely attached to the base base tape and completely covers and seals all intermediate layers between the two. Edge holes are provided on the base base tape.

[0010] Based on the above - mentioned technical solution, the driving wheel set includes a first driving pulley, a film take - up pulley, a second driving pulley and a tape take - up pulley which are sequentially connected by a belt and arranged on the mounting plate. The output end of the deep - water motor is connected to the first driving pulley. The film take - up wheel is connected to the film take - up pulley, the tape take - up gear is connected to the tape take - up pulley, and a driving gear is connected to the second driving pulley.

[0011] Preferably, serrations are provided on the edge of the driving gear, and the distance between adjacent serrations is the same as the distance between the edge holes on the base base tape.

[0012] Further, serrations are provided on the edge of the driving gear, and the distance between adjacent serrations is the same as the distance between the edge holes on the base base tape.

[0013] Preferably, a first guide wheel, a second guide wheel and a third guide wheel are provided on the mounting plate.

[0014] Advantageous Effects

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: On the one hand, the present invention realizes in - situ detection directly in the deep - sea cold seep environment, avoids chemical composition changes caused by pressure and temperature changes when the sample is brought back to the ground, and ensures the accuracy and reliability of the data. On the other hand, the base base tape can be automatically peeled off underwater, greatly shortening the preparation time for each sample and improving the overall working efficiency, especially significant when multiple samples need to be continuously detected. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in 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 drawings in the following description are only one embodiment of the present invention. For those of ordinary skill in the art, without creative efforts, other implementation drawings can be obtained based on the provided drawings.

[0017] Figure 1 : Structural schematic diagram of the present invention.

[0018] Figure 2 : Structural schematic diagram of the present invention with the Raman probe removed.

[0019] Figure 3 : Connection schematic diagram of the drive wheel set of the present invention.

[0020] Figure 4 : Structural schematic diagram of the drive gear of the present invention.

[0021] Figure 5 : Structural schematic diagram of the base material tape of the present invention.

[0022] Figure 6 : Detection state schematic diagram of the present invention.

[0023] Figure 7 : Schematic diagram of the edge holes of the base tape of the present invention. Detailed implementation manners

[0024] The following further illustrates the present invention in conjunction with the drawings and examples:

[0025] The following details the embodiments of the present invention. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described by referring to the drawings below are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0026] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 understood as a limitation on the present invention.

[0028] like Figure 1 and Figure 2 As shown, a Raman spectrum detection device for deep-sea cold springs is characterized in that it includes a support plate 1, a Raman probe 5 and a base material strip 6; the Raman probe 5 is installed on the support plate 1, the Raman probe 5 is connected to a deep-water motor 4 through an upper clamp 21, the Raman probe 5 is connected to a mounting plate 3 through a lower clamp 22, the output end of the deep-water motor 4 is connected to a driving wheel group, the driving wheel group is used to transport the base material strip 6, a storage wheel 81, a film collection wheel 82 and a collection gear 84 are arranged on the support plate 1, and the base material strip 6 is installed on the storage wheel 81;

[0029] like Figure 5 As shown, the base material strip 6 includes a base tape 61, a double-sided adhesive layer 62, a base material 63, an anti-sticking film layer 64 and a coating 65 which are compounded in sequence. The coating 65 is tightly attached to the base tape 61 and completely covers and seals all the intermediate layers between the two.

[0030] The base tape 61 serves as the basic support layer of the entire composite structure, providing mechanical strength and stability. The edge hole design can cooperate with the driving gear to ensure accurate transmission.

[0031] The double-sided adhesive layer 62 is a highly transparent double-sided adhesive, which ensures that the base material 63 is fixed on the base tape 61 and allows subsequent peeling operations.

[0032] The substrate material 63 carries the substance to be tested and is the part for actually performing Raman spectroscopy analysis. The substrate material 63 can be different types of substrates, and different substrates can detect different substance concentrations under laser irradiation.

[0033] The anti-adhesive film layer 64 is a plastic film with a micro-glue on one side and a smooth side on the other side, which prevents the base material 63 from being moved when the film is peeled off. The anti-adhesive film layer 64 is a high-strength PET tape, and the air in each layer is exhausted by vacuuming to ensure a dry and independent state before being peeled off underwater.

[0034] The coating 65 is tightly attached to the base tape, completely covering and sealing all the intermediate layers, and further protecting the internal structure.

[0035] The driving wheel set includes a first driving pulley 71, a film winding pulley 72, a second driving pulley 73, and a tape winding pulley 74 that are sequentially connected by a belt on the mounting plate 3. The output end of the deep - water motor 4 is connected to the first driving pulley 71. The film winding pulley 72 is connected to a film winding wheel 82, the tape winding pulley 74 is connected to a tape winding gear 84, and the second driving pulley 73 is connected to a driving gear 83. The deep - water motor 4 is the power source of the entire transmission system. Its output end is connected to the first driving pulley 71 and drives the film winding pulley 72, the second driving pulley 73, and the tape winding pulley 74 in sequence through the belt. This layout ensures the synchronous operation of each component.

[0036] As Figure 7 shown, edge holes are provided on the base baseband 61. As Figure 4 shown, serrations 831 are provided on the edge of the driving gear 83, and the distance between adjacent serrations 831 is the same as the distance between the edge holes on the base baseband 61. The edge holes and the serrations (831) on the driving gear (83) are closely matched, ensuring that the base material tape 6 can be accurately rotated directly below the Raman probe (5) each time. This precise positioning is crucial for obtaining high - quality and reproducible spectral data.

[0037] By using the driving gear 83 with serrations 831 to match the edge holes on the base baseband 61, it is ensured that the base material tape 6 can be accurately and stably conveyed, avoiding sliding or deviation. It can also effectively prevent the base material tape 6 from slipping during the conveying process. At the same time, through the cooperation of the serrations 831 and the edge holes, precise control of the rotation angle of the tape storage wheel 81 can be achieved. Each serration corresponds to a fixed rotation step, ensuring that each rotation is a preset angle.

[0038] The mounting plate 3 is provided with a first guide wheel 91, a second guide wheel 92, and a third guide wheel 93. The guide wheels help guide the base material tape 6 to move along a predetermined path, avoiding deviation caused by mechanical vibration or external interference.

[0039] The driving wheel set has an automatic peeling mechanism: combined with the guide wheels, the driving wheel set can help achieve the smooth peeling of the anti - sticking film layer 64 and the coated film 65, reducing the need for manual intervention and making the entire detection process more automated.

[0040] A T - shaped handle is fixedly connected to the support plate 1. This facilitates technicians to more easily carry and move the entire detection device.

[0041] A Raman spectroscopy detection method uses the above - mentioned Raman spectroscopy detection device for deep - sea cold seeps, and specifically includes the following steps:

[0042] S1. Install the base tape: Install the base tape 6 on the tape storage wheel 81, ensuring that the base tape 61 and the film 65 at the end of the base tape 6 are pre-wound around the tape take-up gear 84 and the film take-up wheel 82 respectively;

[0043] S2. Start the motor drive system: Start the deep-water motor 4 to drive the drive wheel set to rotate, thereby transporting the base tape 6 under the Raman probe 5;

[0044] S3. Preparation for peeling and detection: When the base tape 6 reaches under the probe of the Raman probe 5, the base tape 61, the double-sided adhesive layer 62, the base material 63 are gradually peeled off from the anti-adhesive film layer 64 and the film 65;

[0045] S4. Raman spectroscopy detection: The Raman probe 5 performs in-situ Raman spectroscopy detection on the exposed base material 63;

[0046] S5. Collect waste materials: The peeled anti-adhesive film layer 64 and the film 65 are wound onto the film take-up wheel 82, while the base tape 61, the double-sided adhesive layer 62, and the base material 63 after detection are wound onto the tape take-up gear 84;

[0047] S6. Data recording and analysis: Record the Raman spectroscopy data in real time and transmit it to the ground control system for preliminary processing and analysis;

[0048] S7. Repeat the above process: If it is necessary to continue detecting other samples, repeat steps S1 to S6 until all the predetermined detection tasks are completed.

[0049] As Figure 3 shown, the base tape 6 is initially wound around the tape storage wheel 81. The tape storage wheel serves as the starting point of the base tape, ensuring its neat arrangement and readiness for conveyance. When the deep-water motor 4 is started, it drives the first drive pulley 71, the film take-up pulley 72, the second drive pulley 73, and the tape take-up pulley 74 in sequence through a belt. These four pulleys form a complete drive system responsible for transporting the base tape from the tape storage wheel to the detection area and subsequent recycling.

[0050] The base tape first passes through the first guide wheel 91, which helps the base tape 6 move smoothly along the predetermined path and ensures that it does not deviate from the track. As the drive system operates, the base tape continues to move forward. Due to the positions of the film take-up wheel 82 and the tape take-up gear 84, and the pre-winding of the base tape 61 and the film 65 respectively, with the assistance of the second guide wheel 92 and the third guide wheel 93, the base tape 6 is peeled into two parts. The first part is the base tape 61, the double-sided adhesive layer 62, and the base material 63, and the second part is the anti-adhesive film layer 64 and the film 65.

[0051] Reach directly below the Raman probe 5. As Figure 6As shown, at this time, the base material 63 has been exposed and is subjected to spectral detection. When the base material 63 is completely exposed, the Raman probe 5 performs in-situ Raman spectral detection on it to obtain chemical composition information.

[0052] The peeled anti-adhesive film layer 64 and the covering film 65 are rolled onto the film collection wheel 82 to keep the working area clean and tidy.

[0053] After the inspection is completed, the base tape 61 , the double-sided adhesive layer 62 and the base material 63 are rolled together onto the take-up gear 84 for subsequent processing or replacement with a new base tape.

[0054] If more samples need to be tested, the entire process can be repeated, that is, a new base strip is reinstalled and the above steps are continued until all scheduled testing tasks are completed.

[0055] In order to adapt to the high-pressure environment of the deep sea, the entire detection device is encapsulated in a pressure-resistant shell to protect the internal electronic components from the influence of water pressure. All interfaces adopt high-quality waterproof sealing design to prevent seawater from infiltrating and ensure the safety and reliability of the internal circuit. The wireless communication module is integrated on the Raman probe 5, allowing researchers to remotely control the operation of the detection device from the ground station and receive detection data in real time.

[0056] It should be noted that the base material 63, deepwater motor 4 and Raman probe 5 of this embodiment are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. The present invention is described above by way of example, but the present invention is not limited to the above specific embodiments, and any changes or modifications made based on the present invention belong to the scope of protection claimed by the present invention.

Claims

1. A Raman spectroscopy detection device for deep - sea cold seeps, characterized in that: It includes a support plate (1), a Raman probe (5) and a base tape (6); the Raman probe (5) is installed on the support plate (1), the Raman probe (5) is connected to a deep - water motor (4) through an upper clamp (21), the Raman probe (5) is connected to a mounting plate (3) through a lower clamp (22), the output end of the deep - water motor (4) is connected to a driving wheel set, the driving wheel set is used to transport the base tape (6), a tape storage wheel (81), a film winding wheel (82) and a tape winding gear (84) are arranged on the support plate (1), and the base tape (6) is installed on the tape storage wheel (81); the base tape (6) includes a base base tape (61), a double - sided adhesive layer (62), a base material (63), a release film layer (64) and a film coating (65) which are compounded in sequence. The film coating (65) is closely attached to the base base tape (61) and completely covers and seals all intermediate layers therebetween. The driving wheel set includes a first driving pulley (71), a film winding pulley (72), a second driving pulley (73) and a tape winding pulley (74) which are connected in sequence by a belt on the mounting plate (3). The output end of the deep - water motor (4) is connected to the first driving pulley (71), the film winding wheel (82) is connected to the film winding pulley (72), the tape winding gear (84) is connected to the tape winding pulley (74), and a driving gear (83) is connected to the second driving pulley (73).

2. The Raman spectroscopy detection device for deep-sea cold seeps according to claim 1, wherein Edge holes are provided on the base base tape (61).

3. The Raman spectroscopy detection device for deep-sea cold seeps according to claim 2, wherein Jagged teeth (831) are provided on the edge of the driving gear (83), and the distance between adjacent jagged teeth (831) is the same as the distance between the edge holes on the base base tape (61).

4. A Raman spectroscopy detection device for deep-sea cold seeps according to claim 3, characterized in that A first guide wheel (91), a second guide wheel (92) and a third guide wheel (93) are provided on the mounting plate (3).

5. The Raman spectroscopy detection device for deep - sea cold seeps according to claim 1, characterized in that A T - shaped handle is fixedly connected to the support plate (1).

6. The Raman spectroscopy detection device for deep - sea cold seeps according to claim 1, wherein One side of the release film layer (64) is a micro - adhesive surface, and the other side is a smooth plastic film surface.

7. The Raman spectroscopy detection device for deep - sea cold seeps according to claim 6, wherein The release film layer (64) is a high - strength PET tape.

8. The Raman spectroscopy detection device for deep-sea cold seeps according to claim 1, characterized in that The double - sided adhesive layer (62) is a high - transparency double - sided adhesive.

9. A Raman spectroscopy detection method, using a Raman spectroscopy detection device for deep - sea cold seeps according to any one of claims 1 - 8, specifically including the following steps: characterized in that: S1. Install the base tape: Install the base tape (6) on the tape storage wheel (81), and the base base tape (61) and the film coating (65) at the end of the base tape (6) are respectively pre - wound on the tape winding gear (84) and the film winding wheel (82). S2. Start the motor drive system: Start the deep - water motor (4) to drive the driving wheel set to rotate, so as to transport the base tape (6) under the Raman probe (5). S3. Peeling and detection preparation: When the base tape (6) reaches under the probe of the Raman probe (5), the base base tape (61), the double - sided adhesive layer (62), the base material (63) are gradually peeled from the release film layer (64) and the film coating (65). S4. Raman spectroscopy detection: The Raman probe (5) performs in - situ Raman spectroscopy detection on the exposed base material (63). S5, collecting waste materials: the peeled anti-adhesive film layer (64) and the covering film (65) are rolled onto the film-receiving wheel (82), and the base tape (61), the double-sided adhesive layer (62), and the base material (63) after being tested are rolled onto the tape-receiving gear (84); S6, Data recording and analysis: Real-time recording of Raman spectroscopy data, and transmission to the ground control system for preliminary processing and analysis; S7, repeat the above process: if it is necessary to continue to detect other samples, repeat steps S1 to S6 until all the scheduled detection tasks are completed.

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