Sampling equipment suitable for coastal salt marsh wetland tidal creek water body

By designing a tower structure and integrating a continuous automatic sampler, equipped with a stainless steel filter and photovoltaic panels, the problem of sampling difficulties of existing equipment in salt marsh wetland environments has been solved, low-cost and efficient water sample collection and monitoring have been achieved, and the stability of the equipment and data accuracy have been improved.

CN223400665UActive Publication Date: 2025-09-30EAST CHINA SEA ENVIRONMENTAL MONITORING CENT OF SOA +2
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Patent Information

Application Number
CN202422618506.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-30
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing water sample collection equipment is large in size, expensive, and prone to clogging in salt marsh wetland environments, making continuous sampling difficult. In addition, the procurement of existing equipment is complex and not suitable for operational monitoring needs.

Method used

A sampling device suitable for tidal creek water bodies in coastal salt marsh wetlands was designed. The device adopts a tower structure, integrates a continuous automatic sampler, is equipped with a stainless steel filter and a water surface float, and is powered by photovoltaic panels to achieve automatic continuous sampling. It is also equipped with a control module and sensors to ensure sampling accuracy and safety.

Benefits of technology

It reduces equipment costs and operating difficulty, improves sampling efficiency and refinement, enhances the stability and safety of equipment in harsh environments, and ensures the accuracy and timeliness of monitoring data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of marine ecological monitoring, in particular to sampling equipment suitable for a coastal salt marsh wetland tidal creek water body, a tower is erected in the coastal salt marsh wetland tidal creek water body, the tower comprises an equipment room which is positioned at the top end and is used for accommodating a continuous automatic sampler, and an operation table suitable for personnel operation is arranged below the equipment room. A scaffold suitable for personnel to climb is arranged from the operation table to the water body; the continuous automatic sampler is integrated in a draw-bar box, a quick-connection plug is embedded in a box body of the draw-bar box, the lower end of a sampling pipe connected with the quick-connection plug in an inserted mode is connected with a stainless steel filter screen and a floating ball floating on the water surface, and the floating ball is connected with the stainless steel filter screen through a rope. According to the utility model, not only is the cost of business monitoring work reduced, but also the refinement degree and timeliness of monitoring and early warning work are improved, the safety of field work is ensured, and powerful technical support is provided for marine ecosystem monitoring.
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Description

Technical Field

[0001] The utility model relates to the technical field of marine ecological monitoring, in particular to a sampling device suitable for tidal ditch water bodies in coastal salt marsh wetlands. Background Art

[0002] As a basic habitat element, salt marsh water plays an important role in maintaining the health of the ecosystem, fulfilling its service functions, and responding to ecological threats.

[0003] Although a variety of water sampling equipment has been developed at home and abroad, such as micro multi-channel water samplers and Multi-Limnos / Micros automatic water samplers, which can realize automatic quantitative sampling, they are usually bulky and expensive, and are prone to clogging in environments with large amounts of nearshore sediment, limiting their widespread application in operational monitoring.

[0004] The ISCO6712 full-size portable proportional water quality automatic sampler developed abroad can be used for the automatic collection of salt marsh wetland water samples, but it has problems such as high unit price, heavy weight, and complex procurement process, which is not conducive to its promotion and use in business units.

[0005] Given that salt marsh wetlands are subject to periodic tidal fluctuations, water sampling is challenging, especially continuous sampling. Existing monitoring technologies struggle to meet the demands of refined monitoring. Therefore, a new automated water sampler is urgently needed to reduce the cost of operational monitoring, while improving the precision and timeliness of monitoring and early warning efforts and ensuring safety in the field. Utility Model Content

[0006] The utility model aims to provide a sampling equipment suitable for coastal salt marsh wetlands to address the shortcomings of existing technologies, achieve low-cost, high-efficiency, and easy-to-operate water sample collection, and provide strong technical support for marine ecosystem monitoring.

[0007] For this reason, the technical solution adopted in this utility model is:

[0008] A sampling device suitable for tidal ditch water bodies in coastal salt marsh wetlands. A tower is erected in the tidal ditch water body in the coastal salt marsh wetland. The tower includes an equipment room at the top where a continuous automatic sampler is placed. An operating table suitable for personnel operations is set below the equipment room. A scaffolding suitable for personnel climbing is set from the operating table to the water body. The continuous automatic sampler is integrated in a trolley case. A quick-connect plug is embedded in the case body of the trolley case. The lower end of the sampling tube connected to the quick-connect plug is connected to a stainless steel filter screen. A buoy floats on the water surface, and the buoy is connected to the stainless steel filter screen via a rope.

[0009] Furthermore, the continuous automatic sampler includes a panel and an upper fixed plate and a lower fixed plate fixed to the panel, a peristaltic pump motor is fixed on the inner side of the panel, a peristaltic pump body is installed on the outer side of the panel, a sample inlet pipe joint and a sample outlet pipe joint passing through the inside and outside of the panel are installed on the panel, and both ends of the rotor tube are respectively plugged into the outside of the sample inlet pipe joint and the sample outlet pipe joint; a long hole is provided on the lower fixed plate, a plurality of sample bottles are placed side by side under the lower fixed plate, and the bottle mouths of the plurality of sample bottles are facing the long hole, a guide rail is fixed on the upper side of the lower fixed plate with the same length as the long hole, the guide rail slides with a slider, and a continuous A connecting block is provided on which a filling head is installed, and the filling head corresponds to the bottle mouth of one of the sample bottles across the long hole; an active synchronous pulley and a driven synchronous pulley are provided on the lower surface of the upper fixed plate and at both ends corresponding to the long hole, and a synchronous belt is wound around the active synchronous pulley and the driven synchronous pulley; a synchronous belt driving motor is fixed on the upper surface of the upper fixed plate, and the motor shaft gap of the synchronous belt driving motor passes through the upper fixed plate and is connected to the active synchronous pulley, and one of the synchronous belts is fixed to the slider; the sample outlet pipe joint is connected to the filling head through a pipeline and a connecting block; the sample inlet pipe joint is connected to the quick-connect plug through a pipeline.

[0010] Furthermore, the continuous automatic sampler also includes a control module and a power module. The power module includes a battery installed in the middle of the upper fixed plate. The control module includes a processor, a display and input buttons installed on the panel.

[0011] Furthermore, a displacement sensor is provided on the guide rail corresponding to each sample bottle, and the displacement sensor is connected to the control module for monitoring the position of the filling head.

[0012] Furthermore, a photoelectric sensor is provided on the panel corresponding to the mouth of each sample bottle, and the photoelectric sensor is connected to the control module for monitoring the liquid level of the sample bottle.

[0013] Furthermore, a plurality of pairs of slots are provided on the body of the trolley case, a support plate is inserted into one pair of the slots, and a plurality of sample bottles are placed on the support plate to accommodate sample bottles of different heights.

[0014] Furthermore, the space below the support plate is a spare storage space.

[0015] Furthermore, a photovoltaic power generation panel is installed above the equipment room and serves as the roof of the equipment room. The photovoltaic power generation panel is connected to the battery of the continuous automatic sampler through a quick-connect cable.

[0016] Furthermore, the equipment room is protected by a sunshade and rainproof tarpaulin.

[0017] Compared with the prior art, the beneficial technical effects of the present invention are mainly reflected in the following aspects:

[0018] 1. Cost-effectiveness: The utility model reduces the equipment volume and manufacturing cost through integrated design, making the price of a single piece of equipment more economical, which is conducive to its promotion and use in business units.

[0019] 2. Easy to operate: The sampling equipment adopts a trolley case design, which is easy to carry and quickly deploy, reducing the difficulty of operation and the intensity of field work, and improving work efficiency.

[0020] 3. Strong adaptability: The equipped stainless steel filter and water surface float structure effectively prevent the blockage problem caused by the nearshore muddy environment, and enhance the stability and reliability of the equipment in harsh environments.

[0021] 4. Continuous sampling capability: Through automated design, the utility model can realize continuous and automatic collection of water samples, meeting the demand for continuous sampling under the periodic ebb and flow of tides in salt marsh wetlands.

[0022] 5. Refined monitoring: This utility model improves the accuracy and representativeness of sample collection by precisely controlling the sampling process, which helps to obtain more accurate monitoring data, thereby improving the refinement of monitoring and early warning.

[0023] 6. Improved safety: The design of the scaffolding and operating platform ensures safe operation of operators at different tide levels and reduces the risks of field work.

[0024] 7. Environmental adaptability: Photovoltaic panels are installed above the equipment room, achieving energy self-sufficiency, reducing dependence on external power sources, and increasing the application potential of the equipment in power-free environments.

[0025] 8. Data accuracy: The sampling process is precisely controlled by the control module, including the positioning of the sample bottle and the liquid level monitoring, ensuring the consistency and accuracy of sample collection.

[0026] 9. Easy to maintain: The design of quick-connect plug and sampling tube simplifies the maintenance and cleaning process of the equipment, and improves the service life and economy of the equipment.

[0027] In short, the utility model not only reduces the cost of business monitoring work, but also improves the refinement and timeliness of monitoring and early warning work, ensures the safety of field work, and provides strong technical support for marine ecosystem monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of the present utility model.

[0029] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0030] Figure 3 yes Figure 1 A partial enlarged view of point B in the middle.

[0031] Figure 4 It is a structural diagram of the utility model continuous automatic sampler.

[0032] Figure 5 yes Figure 4 Schematic diagram of the structure from another perspective.

[0033] Figure 6 yes Figure 5 A partial enlarged view of point C in the middle.

[0034] Figure 7 This is a structural diagram of the utility model's continuous automatic sampler with the box body hidden.

[0035] Figure 8 yes Figure 7 The structural diagram of the blocked parts can be easily displayed after the middle part is divided.

[0036] Figure 9 yes Figure 8 Schematic diagram of the structure from another perspective. DETAILED DESCRIPTION

[0037] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0038] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0039] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0040] like Figure 1-9 The shown embodiment is a sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands. A tower 100 is erected in the tidal ditch water bodies in coastal salt marsh wetlands. The tower 100 includes an equipment room 101 at the top, where a continuous automatic sampler 200 is placed. An operating table 102 suitable for personnel operation is set below the equipment room 101, and a scaffolding 103 suitable for personnel climbing is set from the operating table 102 to the water body; the continuous automatic sampler 200 is integrated in a trolley case 201, and a quick-connect plug 202 is buried on the box body of the trolley case 201. The lower end of the sampling tube 300 plugged with the quick-connect plug 202 is connected to a stainless steel filter screen 400, and a buoy 500 floats on the water surface. The buoy 500 is connected to the stainless steel filter screen 400 by a rope.

[0041] The continuous automatic sampler 200 includes a panel 211 and an upper fixed plate 210 and a lower fixed plate 203 fixed to the panel 211. A peristaltic pump motor 216 is fixed on the inner side of the panel 211, and a peristaltic pump body 217 is installed on the outer side of the panel 211. A sample inlet pipe joint 221 and a sample outlet pipe joint 218 are installed on the panel 211, and the two ends of the rotor tube 219 are respectively inserted into the outer sides of the sample inlet pipe joint 221 and the sample outlet pipe joint 218; an elongated hole 204 is provided on the lower fixed plate 203, and 6 sample bottles 205 are placed side by side below the lower fixed plate 203, with the bottle mouths of the 6 sample bottles 205 facing the elongated hole 204; a guide rail 206 is fixed on the upper side of the lower fixed plate 203 in the same length as the elongated hole 204, and the guide rail 206 is slidably matched with a slider 207, and a A connecting block 215 is provided on which a filling head 220 is mounted. The filling head 220 corresponds to the bottle mouth of one of the sample bottles 205 across the elongated hole 204. An active synchronous pulley 208 and a driven synchronous pulley 209 are provided on the lower surface of the upper fixed plate 210 and at both ends corresponding to the elongated hole 204. A synchronous belt 212 is wound around the active synchronous pulley 208 and the driven synchronous pulley 209. A synchronous belt drive motor 213 is fixed to the upper surface of the upper fixed plate 210. The motor shaft gap of the synchronous belt drive motor 213 passes through the upper fixed plate 210 and is connected to the active synchronous pulley 208. One of the synchronous belts 212 is fixed to the slider 207. The sample outlet pipe connector 218 is connected to the filling head 220 through a pipeline and the connecting block 215. The sample inlet pipe connector 221 is connected to the quick-connect plug 202 through a pipeline.

[0042] The following is the working principle and process of this sampling equipment suitable for tidal creek water bodies in coastal salt marshes:

[0043] 1. Device Setup:

[0044] A tower 100 was erected in the tidal creek of a coastal salt marsh. Atop tower 100 was an equipment room 101, housing a continuous automated sampler 200. Below equipment room 101 was an operating platform 102 for personnel to operate. Scaffolding 103 was installed between operating platform 102 and the water for personnel to climb.

[0045] 2. Sampler configuration:

[0046] The continuous automatic sampler 200 is integrated into a trolley case 201 for easy movement and transportation. The trolley case 201 is provided with a quick-connect plug 202 for quickly connecting the sampling tube 300.

[0047] 3. Sampling tube and filter:

[0048] The lower end of the sampling tube 300 is connected to a stainless steel filter 400 to prevent debris from entering the sampling tube. A float 500 floats on the water surface and is connected to the stainless steel filter 400 by a rope to ensure that the filter does not sink into mud and sand.

[0049] 4. Internal structure of the sampler:

[0050] The sampler includes a panel 211 and a fixed upper plate 210 and a lower plate 203. A peristaltic pump motor 216 is mounted on the inside of the panel 211, and a peristaltic pump body 217 is mounted on the outside. An inlet and outlet tube connector 221 and 218 extend through the panel 211, and the rotor tube 219 is connected to these connectors at both ends.

[0051] 5. Sample bottle and filling head:

[0052] The lower fixed plate 203 is provided with an elongated hole 204, and six sample bottles 205 are placed side by side below. A connecting block 215 is fixed to the slider 207 above the guide rail 206, and a filling head 220 is installed on the connecting block 215.

[0053] 6. Synchronous pulley and drive motor:

[0054] The lower surface of the upper fixed plate 210 is provided with a driving synchronous pulley 208 and a driven synchronous pulley 209, between which a synchronous belt 212 is wound. A synchronous belt drive motor 213 is installed on the upper surface of the upper fixed plate 210 and is connected to the driving synchronous pulley 208 through the synchronous belt 212.

[0055] 7. Workflow:

[0056] 7.1 Start the synchronous belt drive motor 213 to drive the slider 207 to move along the guide rail 206 through the synchronous belt 212.

[0057] 7.2 The slider 207 drives the connecting block 215 and the filling head 220 so that they face a sample bottle 205 below the elongated hole 204 .

[0058] 7.3 The peristaltic pump motor 216 drives the rotor tube 219 to extract samples from the water body through the sample inlet pipe connector 221.

[0059] 7.4 The extracted water sample is transported to the filling head 220 through the sample outlet pipe connector 218 and then filled into the sample bottle 205.

[0060] 8.Automation control:

[0061] The entire sampling process can be automatically controlled by the control module, including the start of the peristaltic pump, the selection of sample bottles, the control of the filling volume, etc.

[0062] 9. Continuous sampling:

[0063] The sampler can be programmed to achieve timed or quantitative continuous sampling.

[0064] Through the above working process, the sampling equipment can realize automatic and efficient water sample collection, which is suitable for the monitoring needs of tidal ditch water bodies in coastal salt marsh wetlands.

[0065] In another preferred embodiment, the continuous automatic sampler 200 also includes a control module and a power module. The power module includes a battery mounted in the middle of the upper fixed plate 210. The control module includes a processor, display, and input buttons mounted on the panel 211. The addition of the processor enables the sampler to execute preset programs, achieving automated operation and reducing manual intervention. The display and input buttons provide a user interface, allowing operators to conveniently set sampling parameters and monitor sampling status. The built-in battery provides an independent power supply solution for the sampler, allowing the device to operate without an external power source. The design of the power module enables the sampler to be used in a variety of environments, including remote areas or areas with limited access to the power grid. The control module makes the entire sampling process easier to control and monitor, improving sampling accuracy and repeatability. Automation and intelligentization reduce manpower requirements, improve sampling efficiency, and speed up data processing. The control module allows maintenance personnel to more easily diagnose and resolve potential problems, reducing equipment downtime. The addition of the power module makes the sampler adaptable to a wider range of environmental conditions, including extreme weather and areas far from power sources. The control module can record and store sampling data, improving data reliability and security.

[0066] In another preferred embodiment, a displacement sensor is provided on the guide rail 206 corresponding to each sample bottle 205. The displacement sensor is connected to the control module and is used to monitor the position of the filling head 220. The displacement sensor accurately monitors the position of the filling head 220, ensuring that it is properly aligned with the mouth of the sample bottle 205. The displacement sensor can accommodate sample bottles of varying widths, allowing the sampler to flexibly handle containers of varying sizes. The introduction of the displacement sensor enhances the intelligence and automation of the sampling equipment, making the entire sampling process more efficient, accurate, and safer.

[0067] In another preferred embodiment, a photoelectric sensor is provided on the panel 211 corresponding to the bottle mouth of each sample bottle 205, and the photoelectric sensor is connected to the control module for monitoring the liquid level of the sample bottle 205. The photoelectric sensor can provide accurate monitoring of the sample liquid level to ensure the accuracy and repeatability of sample collection. By monitoring the liquid level in real time, the filling process can be stopped in time to avoid sample overflow due to overfilling. The data feedback of the photoelectric sensor can automatically control the filling action of the filling head 220 to achieve automatic stop when the liquid level reaches the preset value. Automated liquid level monitoring reduces the manual observation and estimation required by the operator, thereby reducing the possibility of human error. By introducing photoelectric sensors for liquid level monitoring, the sampling equipment can collect samples more intelligently, improving the convenience of operation and the accuracy of sample collection.

[0068] In another preferred embodiment, five pairs of slots 223 are provided on the body of the trolley case 201, and a support plate 222 is inserted into one pair of the slots 223, and six sample bottles 205 are placed on the support plate 222 to accommodate sample bottles 205 of different heights. The space below the support plate 222 is a spare storage space. By using multiple pairs of slots 223, slots of different heights can be selected as needed to accommodate sample bottles 205 of different heights, thereby increasing the applicability and flexibility of the sampler. The space below the support plate 222 is designed as a spare storage space, which improves the utilization rate of the internal space of the trolley case 201. The spare storage space can be used to store additional sample bottles or other sampling tools and equipment, making it convenient for users to expand the function of the sampler as needed.

[0069] In another preferred embodiment, a photovoltaic panel 600 is installed above the equipment room 101 and serves as the roof of the equipment room 101. The photovoltaic panel 600 is connected to the battery of the continuous automatic sampler 200 via a quick-connect cable. Using solar energy to power the sampler reduces dependence on traditional energy sources and is a clean and sustainable energy solution. The photovoltaic panel can directly charge the sampler's battery, achieving energy self-sufficiency and extending the sampler's working time in the field. The need for an external power supply is reduced, thereby reducing the costs associated with power connection and maintenance. The use of photovoltaic panels enables the sampler to adapt to more environmental conditions, including remote areas far from the power grid. Quick-connect cables simplify the connection between the photovoltaic panel and the battery, facilitating quick installation and maintenance. The photovoltaic panel also serves as the roof of the equipment room 101, providing an integrated design that saves space and improves the overall aesthetics. Even in areas where the power grid is unstable or unavailable, the photovoltaic panel can support remote monitoring and data transmission of the sampler.

[0070] In another preferred embodiment, the equipment room 101 is protected by a sunshade and rainproof tarpaulin. This tarpaulin protects the continuous automatic sampler 200 and other equipment within the equipment room 101 from rain and water damage. The tarpaulin effectively blocks direct sunlight, lowers the temperature inside the equipment room, and reduces performance degradation or damage to equipment due to overheating. This reduces the erosion of equipment by sun and rain, helping to extend its service life and maintenance cycle. This ensures stable operation of the equipment even in adverse weather conditions, thereby improving the stability and reliability of collected data.

[0071] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any technician familiar with the field can use the above-disclosed methods and technical contents to make many possible changes or modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes. Therefore, any simple modification, equivalent replacement, equivalent change and modification of the above embodiments made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A sampling device suitable for tidal ditch water bodies in coastal salt marsh wetlands, characterized in that: A tower (100) is erected in a tidal ditch water body of a coastal salt marsh wetland. The tower (100) includes an equipment room (101) located at the top and equipped with a continuous automatic sampler (200). An operating table (102) suitable for personnel operation is provided below the equipment room (101). A scaffold (103) suitable for personnel climbing is provided from the operating table (102) to the water body. The continuous automatic sampler (200) is integrated into a trolley case (201). A quick-connect plug (202) is embedded in the body of the trolley case (201). The lower end of a sampling tube (300) plugged into the quick-connect plug (202) is connected to a stainless steel filter (400). A buoy (500) floats on the surface of the water body. The buoy (500) is connected to the stainless steel filter (400) via a rope.

2. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 1, characterized in that: The continuous automatic sampler (200) includes a panel (211) and an upper fixed plate (210) and a lower fixed plate (203) fixed to the panel (211). A peristaltic pump motor (216) is fixed on the inner side of the panel (211), a peristaltic pump body (217) is installed on the outer side of the panel (211), and an inlet pipe joint (221) and an outlet pipe joint (218) are installed on the panel (211) and pass through the inside and outside of the panel (211). Both ends of the rotor tube (219) are respectively plugged into the inlet pipe joint. (221) and the outer side of the sample outlet pipe joint (218); a long hole (204) is opened on the lower fixed plate (203), and a plurality of sample bottles (205) are placed side by side below the lower fixed plate (203), and the bottle mouths of the plurality of sample bottles (205) are facing the long hole (204), and a guide rail (206) is fixed on the upper side of the lower fixed plate (203) and is consistent with the length of the long hole (204). The guide rail (206) is slidably matched with the slider (207), and the slider (207) is fixed on the upper side. A connecting block (215) is fixed, and a filling head (220) is installed on the connecting block (215), and the filling head (220) corresponds to the bottle mouth of one of the sample bottles (205) across the long hole (204); an active synchronous pulley (208) and a driven synchronous pulley (209) are rotated on the lower surface of the upper fixed plate (210) and the two ends corresponding to the long hole (204), and a synchronous belt (212) is wound around the active synchronous pulley (208) and the driven synchronous pulley (209), and the upper fixed plate (210) is fixed. A synchronous belt drive motor (213) is fixed on the upper surface of the plate (210); a motor shaft of the synchronous belt drive motor (213) passes through the upper fixed plate (210) and is connected to the active synchronous pulley (208); one of the synchronous belts (212) is fixed to the slider (207); the sample outlet pipe connector (218) is connected to the filling head (220) through a pipeline and a connecting block (215); and the sample inlet pipe connector (221) is connected to the quick-connect plug (202) through a pipeline.

3. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 2, characterized in that: The continuous automatic sampler (200) further comprises a control module and a power module, wherein the power module comprises a battery mounted in the middle of the upper fixed plate (210), and the control module comprises a processor, a display, and input buttons mounted on the panel (211).

4. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 3, characterized in that: A displacement sensor is provided on the guide rail (206) corresponding to each sample bottle (205), and the displacement sensor is connected to the control module and is used to monitor the position of the filling head (220).

5. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 3, characterized in that: A photoelectric sensor is provided on the panel (211) corresponding to the bottle mouth of each sample bottle (205), and the photoelectric sensor is connected to the control module and is used to monitor the liquid level of the sample bottle (205).

6. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 2, characterized in that: The body of the trolley case (201) is provided with a plurality of pairs of slots (223), a support plate (222) is inserted into one pair of the slots (223), and a plurality of sample bottles (205) are placed on the support plate (222) to accommodate sample bottles (205) of different heights.

7. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 6, characterized in that: The space below the support plate (222) is a spare storage space.

8. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 1, characterized in that: A photovoltaic power generation panel (600) is installed above the equipment room (101) and also serves as the roof of the equipment room (101). The photovoltaic power generation panel (600) is connected to the battery of the continuous automatic sampler (200) via a quick-connect cable.

9. The sampling equipment suitable for tidal ditch water bodies in coastal salt marsh wetlands according to claim 1, characterized in that: The equipment room (101) is externally protected by a sunshade and rainproof tarpaulin.