Automatic tide device and method for simulating plant growth environment in river-sea transition area

Abstract

The invention discloses an automatic tide device and method for simulating a plant growth environment in a river-sea transition area, and the device can accurately simulate a natural tide environment through integrating advanced water level control, tide simulation and automatic management technologies, and provides highly controllable experiment conditions for plant growth research. Through a timing switch control system, accurate regulation and control of the tide period and the water level change rate and amplitude are achieved, and the real tide dynamic state is simulated. Monitoring and regulating functions of various environmental parameters such as water level, salinity, temperature and illumination are integrated, and comprehensive experimental conditions are provided. And through an intelligent control system, human intervention is reduced, and the reliability and repeatability of the experiment are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic tidal devices, and more specifically, to an automatic tidal device and method for simulating the growth environment of plants in the river-sea transition zone. Background Art

[0002] River-sea transition zones (such as estuaries, tidal wetlands, etc.) are important ecosystems with unique biodiversity and ecological functions. The plant communities in these areas (such as reeds, Suaeda salsa, etc.) play a key role in maintaining ecological balance, preventing coastal erosion, and purifying water quality. When studying the restoration effect of salt marsh plants, existing devices often cannot accurately simulate the complex dynamic changes of natural tides (such as tidal cycles, water level change rates, etc.), resulting in deviations between experimental results and the real environment; lacking the comprehensive control ability of multiple environmental parameters (such as water level, salinity, temperature, light, etc.), it is difficult to meet the requirements of complex experiments. Summary of the Invention

[0003] The purpose of the present invention is to provide an automatic tidal device and method for simulating the growth environment of plants in the river-sea transition zone, which is used to accurately simulate tidal changes and provide controllable experimental conditions for plant growth research.

[0004] The purpose of the present invention is achieved as follows: An automatic tidal device for simulating the growth environment of plants in the river-sea transition zone, comprising:

[0005] A water storage tank and a simulation tank arranged above the water storage tank, wherein the internal space of the simulation tank is sequentially distributed with a water inlet area, a plant growth area, and a water outlet area along the water flow direction;

[0006] A water suction pump located at the bottom inside the water storage tank and used to control the flood tide state, which is equipped with a water suction pipe, and the lower end and the upper end of the water suction pipe are respectively connected to the output end of the water suction pump and the water inlet area;

[0007] A siphon pipe connecting the water outlet area and guiding the water body to flow back to the water storage tank, the siphon pipe is upright and its lower end is connected with a drain pipe leading to the water storage tank, and a ebb tide control valve is installed on the drain pipe.

[0008] Furthermore, the plant growth area of the simulation tank is set as an inner box with an internal soil body and several plants, the water inlet area is formed in the space between the water inlet side wall of the inner box and the water inlet side wall of the simulation tank, and the water outlet area is formed in the space between the water outlet side wall of the inner box and the water outlet side wall of the simulation tank.

[0009] Furthermore, a partition is fixed on the inner wall of the simulation tank, the partition divides the water inlet area into a water inlet cavity and an overflow cavity, a gap for connecting the water inlet cavity and the overflow cavity is left between the bottom edge of the partition and the bottom wall of the simulation tank, the water inlet cavity is connected with the water suction pipe, and the overflow cavity is used to overflow water upward into the inner box.

[0010] Furthermore, the water inlet chamber is internally provided with:

[0011] A vertical water inlet pipe, the lower end of which is fixedly inserted through the bottom wall of the simulation cylinder and connected to the water suction pipe;

[0012] A filtering unit for filtering water, and the filtering unit is located within the overflow chamber.

[0013] Furthermore, it further includes a buffer seat, which is installed inside the inner box and abuts against the water inlet side wall of the inner box. The upper sides of both the inner box and the overflow chamber are of an open structure. The upper end of the buffer seat is lower than the upper side opening of the overflow chamber and is used to buffer the water flow entering the inner box.

[0014] Furthermore, the water outlet area is set as a water outlet chamber, and a water outlet port is provided at the bottom of the water outlet side wall of the inner box, and the water outlet port communicates with the bottom of the water outlet chamber.

[0015] Furthermore, the water outlet port is provided with bottom filter media for filtering water.

[0016] As another aspect of the present invention, based on the above device, a usage method is provided, including the following steps:

[0017] S1. Use the water inlet pipe to input seawater into the simulation cylinder in a subsurface flow manner, and define the plant growth area as the simulation area;

[0018] S2. Use the filtering unit to filter the seawater to filter out plant residues / silt;

[0019] S3. Use the buffer seat to buffer the input water flow to prevent the seawater from toppling the plants;

[0020] S4. Lay small particle stones on the bottom layer of the inner box and beach soil on the surface layer;

[0021] S5. The siphon sucks away the seawater in the simulation area during ebb tide;

[0022] S6. The drain pipe discharges the seawater into the water storage tank;

[0023] S7. The water storage tank stores seawater during the low tide state of the simulation area;

[0024] S8. The water suction pump sucks water from the water storage tank when the simulation area needs to flood;

[0025] Steps S1 - S8 are repeatedly executed to simulate the natural tidal environment and observe the plant growth state.

[0026] The beneficial effects of the present invention are as follows:

[0027] By integrating advanced water level control, tidal simulation, and automated management technologies, this device can precisely simulate the natural tidal environment, providing highly controllable experimental conditions for plant growth research; through a timing switch control system, it can accurately regulate the tidal cycle, water level change rate, and amplitude, simulating real tidal dynamics; it is convenient to integrate the monitoring and regulation functions of various environmental parameters such as water level, salinity, temperature, and light, providing comprehensive experimental conditions; through an intelligent control system, it reduces human intervention and improves the reliability and repeatability of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the system layout diagram of the present invention.

[0029] Figure 2 is the schematic diagram of the usage method of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Figure 1-2

[0031]

[0031] As Figure 1 shown, an automatic tidal device for simulating the growth environment of plants in the river-sea transition zone is provided, which includes:

[0032] An electric control system for controlling the working state of the entire device, which can be provided with a dedicated touch screen to display various parameters;

[0033] A water storage tank 1 and a simulation tank 2 arranged above the water storage tank 1. Both the upper parts of the water storage tank 1 and the simulation tank 2 are open structures. The internal space of the simulation tank 2 is sequentially distributed with a water inlet area, a plant growth area, and a water outlet area along the water flow direction. At least sensors such as water level and temperature can be arranged in the water storage tank 1, and several sensors are arranged in the simulation tank 2;

[0034] A flood tide control system, which includes a water suction pump 4 and a water suction pipe 5 at the bottom of the water storage tank 1. The lower end of the water suction pipe 5 is connected to the output end of the water suction pump 4, and the upper end of the water suction pipe 5 is connected to the water inlet area. The water suction pump 4 is controlled by the electric control system to regulate the flood tide state;

[0035] Ebb tide control system, which includes a siphon 10 that connects to the water outlet area and guides the water body to flow back to the water storage tank 1. The siphon 10 is upright and its lower end is connected to a drain pipe 14 leading to the water storage tank 1. The water outlet 14a of the drain pipe 14 discharges the water body into the water storage tank 1. The upper end of the siphon 10 is the water inlet end. A flood control valve 11 is installed on the drain pipe 14. The flood control valve 11 is controlled by an electric control system and its opening degree is controllable, so as to control the ebb tide state;

[0036] A monitoring system composed of several sensors, which transmits the sensing signals to the electric control system. The arrangement position is not limited here and can be specifically arranged according to the specific project requirements, at least for monitoring environmental parameters such as water level, salinity, temperature, light, or other environmental parameters;

[0037] A lighting lamp 12 controlled by the electric control system, which is arranged above the simulation tank 2 to provide light for the growth of plants.

[0038] Among them, by integrating advanced water level control, tidal simulation, and automated management technologies, the device can accurately simulate the natural tidal environment and provide highly controllable experimental conditions for plant growth research; by regularly switching the electric control system, it can achieve precise regulation of the tidal cycle, water level change rate, and amplitude, simulating the real tidal dynamics; it is convenient to integrate the monitoring and regulation functions of various environmental parameters such as water level, salinity, temperature, and light, providing comprehensive experimental conditions; through an intelligent control system, it can reduce human intervention and improve the reliability and repeatability of the experiment.

[0039] The plant growth area of the above-mentioned simulation tank 2 is set as an inner box 3 with built-in soil and several plants. The inner box 3 is formed by two plates arranged front and back. The water inlet area is formed in the space between the water inlet side wall of the inner box 3 and the water inlet side wall of the simulation tank 2, and the water outlet area is formed in the space between the water outlet side wall of the inner box 3 and the water outlet side wall of the simulation tank 2.

[0040] A partition 202 is fixed to the inner wall of the above-mentioned simulation tank 2. The partition 202 divides the water inlet area into a water inlet chamber 201 and an overflow chamber 203. The upper side of the partition 202 is higher than the upper side of the water inlet side wall of the inner box 3 to prevent the overflow water from flowing back, so that the water overflowing from the overflow chamber 203 flows into the inner box 3. A gap (forming an undercurrent) for connecting the water inlet chamber 201 and the overflow chamber 203 is left between the bottom edge of the partition 202 and the bottom wall of the simulation tank 2. The water inlet chamber 201 is connected to the water suction pipe 5, and the overflow chamber 203 is used to overflow water upward into the inner box 3.

[0041] The following are installed in the above-mentioned water inlet chamber 201:

[0042] An upright water inlet pipe 6, the lower end of the water inlet pipe 6 is fixedly connected through the bottom wall of the simulation tank 2 and connected to the water suction pipe 5;

[0043] The filtering unit 7 for filtering water can be a filter screen or other filtering materials, and the filtering unit 7 is located within the overflow chamber 203.

[0044] In addition, the device further includes a buffer seat 8 which is installed within the inner tank 3 and abuts against the water inlet side wall of the inner tank 3. The upper sides of both the inner tank 3 and the overflow chamber 203 are of an open structure. The upper end of the buffer seat 8 is lower than the upper side opening of the overflow chamber 203 and is used for buffering the water flow entering the inner tank 3.

[0045] The above-mentioned water outlet area is set as the water outlet chamber 13. A water outlet port 3a is provided at the bottom of the water outlet side wall of the inner tank 3, and the water outlet port 3a communicates with the bottom of the water outlet chamber 13.

[0046] The above-mentioned water outlet port 3a is provided with a bottom filter material 9 for filtering water, so as to further filter the water flow.

[0047] As Figure 1-2 shown, based on the above device, an operation method is provided, including the following steps:

[0048] S1. Input seawater into the simulation cylinder 2 in a subsurface flow manner through the water inlet pipe 6, and define the plant growth area as the simulation area;

[0049] S2. Filter the seawater by using the filtering unit 7 to filter out plant residues / silt;

[0050] S3. Buffer the input water flow by using the buffer seat 8 to prevent the seawater from toppling the plants;

[0051] S4. Lay small particle stones at the bottom layer of the inner tank 3 and lay beach soil on the surface layer;

[0052] S5. The siphon 10 sucks away the seawater in the simulation area during ebb tide;

[0053] S6. The drain pipe 14 discharges the seawater into the water storage tank 1;

[0054] S7. The water storage tank 1 stores seawater during the low tide state of the simulation area;

[0055] S8. The water suction pump 4 sucks water from the water storage tank 1 when the simulation area needs to flood;

[0056] Steps S1 - S8 are repeatedly executed to simulate the natural tidal environment and observe the plant growth state.

[0057] In the present invention, the water level is regulated by a timed ebb and flow control system to simulate the periodic change of tides; at the same time, the regulation functions of environmental parameters such as temperature and light are integrated to achieve multi-parameter comprehensive management. After being set up, the device can achieve fully automated operation to ensure the accuracy and stability of the experiment.

[0058] In summary, in view of the problems existing in the existing equipment, the present invention proposes an automatic tide device for simulating the growth environment of plants in the river-sea transition zone. By integrating advanced water level control, tide simulation, and automation management technologies, the device can accurately simulate the natural tide environment and provide highly controllable experimental conditions for plant growth research. Through a timing switch control system, precise regulation of the tide cycle, water level change rate, and amplitude can be achieved to simulate the real tide dynamics. The functions of monitoring and regulating various environmental parameters such as water level, salinity, temperature, and light are integrated to provide comprehensive experimental conditions. Through an intelligent control system, human intervention is reduced, and the reliability and repeatability of the experiment are improved.

[0059] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings. It is 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 thus should not be construed as a limitation to the present invention. In the present invention, it should also be noted that the terms "installation" and "connection" should be understood in a broad sense. For example, it can be fixedly connected, or detachably connected, or integrally formed, or mechanically connected, or indirectly connected through an intermediate connecting member. The specific meaning of the terms in this application can be understood according to specific circumstances.

[0060] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0061] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic tidal device for simulating the growth environment of plants in the river-sea transition zone, characterized in that, Comprising: A water storage tank (1) and a simulation tank (2) arranged above the water storage tank (1). The internal space of the simulation tank (2) is sequentially distributed with a water inlet area, a plant growth area, and a water outlet area along the water flow direction. A water suction pump (4) at the inner bottom of the water storage tank (1) for controlling the high tide state, which is configured with a water suction pipe (5). The lower end and the upper end of the water suction pipe (5) are respectively connected to the output end of the water suction pump (4) and the water inlet area. A siphon tube (10) connecting the water outlet area and guiding the water body to flow back to the water storage tank (1). The siphon tube (10) is upright and its lower end is connected with a drain pipe (14) leading to the water storage tank (1), and a low tide control valve (11) is installed on the drain pipe (14).

2. The automatic tidal device for simulating the plant growth environment in the river-sea transition zone according to claim 1, characterized in that, The plant growth area of the simulation tank (2) is set as an inner box (3) with built-in soil and several plants. The water inlet area is formed in the space between the water inlet side wall of the inner box (3) and the water inlet side wall of the simulation tank (2), and the water outlet area is formed in the space between the water outlet side wall of the inner box (3) and the water outlet side wall of the simulation tank (2).

3. The automatic tide device for simulating the plant growth environment in the river-sea transition zone according to claim 2, wherein A partition plate (202) is fixed on the inner wall of the simulation tank (2). The partition plate (202) divides the water inlet area into a water inlet cavity (201) and an overflow cavity (203). A gap communicating the water inlet cavity (201) and the overflow cavity (203) is left between the bottom edge of the partition plate (202) and the bottom wall of the simulation tank (2). The water inlet cavity (201) is communicated with the water suction pipe (5), and the overflow cavity (203) is used to overflow water upward into the inner box (3).

4. An automatic tidal device for simulating the growth environment of plants in the river-sea transition zone according to claim 3, characterized in that, The following are arranged in the water inlet cavity (201): An upright water inlet pipe (6), the lower end of the water inlet pipe (6) is fixedly penetrated through the bottom wall of the simulation tank (2) and connected to the water suction pipe (5). A filtering unit (7) for filtering water, and the filtering unit (7) is located within the overflow cavity (203).

5. The automatic tide device for simulating the plant growth environment in the river-sea transition zone according to claim 3, characterized in that, It further includes a buffer seat (8). The buffer seat (8) is installed inside the inner box (3) and abuts against the water inlet side wall of the inner box (3). The upper sides of the inner box (3) and the overflow cavity (203) are both of open structures. The upper end of the buffer seat (8) is lower than the upper side opening of the overflow cavity (203) and is used to buffer the water flow entering the inner box (3).

6. The automatic tide device for simulating the plant growth environment in the river-sea transition zone according to claim 2, wherein, The water outlet area is set as a water outlet cavity (13). A water outlet port (3a) is provided at the bottom of the water outlet side wall of the inner box (3), and the water outlet port (3a) communicates with the bottom of the water outlet cavity (13).

7. An automatic tide device for simulating the growth environment of plants in the river-sea transition zone according to claim 6, characterized in that, A bottom filter material (9) for filtering water is provided at the water outlet port (3a).

8. A method of using the automatic tide device according to claim 4, characterized in that Including the following steps: S1. Input seawater into the simulation tank (2) in a subsurface flow manner through the water inlet pipe (6), and define the plant growth area as the simulation area. S2. Filter the seawater by using the filtering unit (7) to filter out plant residues / silt. S3. Buffer the input water flow by using the buffer seat (8) to prevent the seawater from toppling the plants. S4. Lay small particle stones at the bottom layer of the inner box (3) and lay coastal soil on the surface layer. S5. The siphon tube (10) sucks away the seawater in the simulation area during low tide. S6. The drain pipe (14) discharges the seawater into the water storage tank (1). S7. The water storage tank (1) stores seawater during the low tide state of the simulation area. S8. When the tide needs to rise in the simulation area, the water pump (4) sucks water from the water storage tank (1); Steps S1-S8 are repeatedly executed to simulate the natural tidal environment and observe the growth state of the plants.

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