Water collecting and evaporation preventing device for plant planting and using method thereof
By using a water collection and anti-evaporation device to control the fluid channel through thermal expansion and contraction opening and closing components, the problems of evaporation prevention and water utilization in the planting of trees in dry and hot valleys are solved, achieving efficient water management and making it suitable for the planting of trees in dry and hot valleys.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-10
- Publication Date
- 2026-04-10
AI Technical Summary
Among the existing technologies for preventing evaporation in tree planting in hot and dry valleys, physical barrier covering has limited effectiveness, and the improvement technology of water-retaining agent materials has long-term stability and cost issues, making it difficult to effectively prevent surface moisture evaporation and make full use of atmospheric precipitation and nighttime air condensation.
The device employs a water collection and anti-evaporation system, which includes a base, a water collection and anti-evaporation cup that runs through the base, and a thermal expansion and contraction opening and closing component. It automatically controls the opening and closing of the fluid channel by utilizing temperature changes, preventing water evaporation during the day and collecting and transporting water to the soil at night.
It integrates anti-evaporation and water collection functions, significantly improving water use efficiency in tree planting areas and is suitable for tree planting in hot and dry valleys.
Smart Images

Figure CN121817003A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of plant cultivation equipment technology, and in particular to a water collection and anti-evaporation device for plant cultivation and its usage method. Background Technology
[0002] Current research on evaporation control techniques for tree planting in hot and dry valleys mainly focuses on three areas: physical barriers, biological regulation, and material improvement. In terms of physical barriers, research concentrates on surface mulch technologies, such as using biodegradable mulch films, straw, or gravel to directly reduce soil moisture evaporation. This has been shown to effectively reduce surface temperature and evaporation intensity by approximately 30%-50%. Biological regulation emphasizes the screening and cultivation of low-transpiration tree species (such as drought-resistant native species) and the creation of shade- and moisture-retaining microhabitats through the rational configuration of understory shrubs and grasses. In the field of material improvement, the application of water-retaining agents (such as superabsorbent polymers) has been extensively studied. While these agents can improve soil water retention, long-term stability and cost issues remain. Furthermore, integrated technologies combining localized root zone irrigation (such as drip irrigation) with mulch are considered highly efficient water-saving strategies. Future research trends tend towards developing low-cost biodegradable mulch materials, deepening research on the drought-resistant physiological mechanisms of tree species, and emphasizing optimized vegetation configuration based on micro-topography and hydrological processes to achieve a balance between ecological water conservation and vegetation sustainability. Summary of the Invention
[0003] The purpose of this invention is to solve the problems of limited physical barrier coverage and long-term stability and cost of water-retaining agent material improvement technology in existing anti-evaporation technology for tree planting in hot and dry valleys. The invention provides a water collection and anti-evaporation device for plant planting, which can effectively prevent the loss of surface water by evaporation and fully absorb atmospheric precipitation and nighttime air condensation.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: According to a first aspect of the present invention, a water collection and anti-evaporation device for plant cultivation is provided, comprising: a base for laying around a plant stem; a plurality of water collection and anti-evaporation cups penetrating the base; the water collection and anti-evaporation cups comprising an upper receiving and guiding portion and a lower water-absorbing and conveying portion; the receiving and guiding portion having an upwardly concave arc-shaped inner wall for guiding the received liquid water to its bottom; the water-absorbing and conveying portion being a hollow tubular structure internally filled with absorbent material; a thermal expansion and contraction opening and closing component being provided between the receiving and guiding portion and the water-absorbing and conveying portion, the thermal expansion and contraction opening and closing component having a central fluid channel and being configured to: deform in response to a temperature increase to close the cross-sectional area of the central fluid channel, and restore deformation in response to a temperature decrease to open the cross-sectional area of the central fluid channel.
[0005] Optionally, the thermal expansion and contraction opening and closing component is a disc-shaped component.
[0006] Optionally, the disc-shaped component is made of a material that expands and contracts with temperature, and has the central fluid channel at its center.
[0007] Optionally, the water-absorbing and conveying part is the handle of the water-collecting and anti-evaporation cup.
[0008] Alternatively, the base may be a disc formed by splicing two semi-circular structures.
[0009] Optionally, a mirror-finished aluminum alloy material may be adhered to the upper surface of the base.
[0010] Optionally, the cross-sectional profile of the concave arc-shaped inner wall is a quarter circle.
[0011] Alternatively, the absorbent material may be synthetic fiber.
[0012] Optionally, the water collection and anti-evaporation cup is a prefabricated component made of composite materials.
[0013] According to a second aspect of the present invention, a method for using the above-mentioned water collection and anti-evaporation device is provided, comprising the following steps: planting plants in a predetermined position in an area where plants are to be planted; leveling the soil around the plant stems; laying a layer of clay on the leveled ground; and laying the base of the water collection and anti-evaporation device around the plant stems, so that the lower end of the water-absorbing and water-conveying part of the water collection and anti-evaporation cup is in contact with the clay layer or soil.
[0014] The advantages of this invention are as follows: through the automatic control mechanism of the thermal expansion and contraction opening and closing components, the central fluid channel is automatically closed during the day to prevent water evaporation, and automatically opened at night and during rainfall to collect water, thus realizing the integration of anti-evaporation and water collection functions; through the arc-shaped structure design of the water collection and anti-evaporation cup and the water-absorbing filler, it can effectively absorb atmospheric precipitation and nighttime condensation, significantly improving the water use efficiency of the tree planting area; the device adopts a modular design of two semicircles spliced together, which is convenient for installation around the tree trunk, has strong applicability, and effectively supports tree planting in dry and hot valley areas. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a top view of the water collection and anti-evaporation device described in this invention; Figure 2 This is a front cross-sectional view of the water collection and anti-evaporation device described in this invention.
[0017] In the diagram: 1. Base; 2. Water collection and anti-evaporation cup; 3. Arc-shaped inner wall; 4. Water-absorbing material; 5. Thermal expansion and contraction opening and closing component; 6. Water collection and anti-evaporation cup fixing bolt; 7. Thermal expansion and contraction opening and closing component fixing bolt; 8. Soil; 10. Semi-circular structure; 11. Splicing line; t, base thickness; d, cup handle inner diameter; h0, cup handle height. Detailed Implementation
[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0019] Example 1: like Figure 1 and Figure 2 As shown, a water collection and anti-evaporation device for plant cultivation includes a base 1, multiple water collection and anti-evaporation cups 2, and a thermal expansion and contraction opening and closing component 5.
[0020] The base 1 is a disc design composed of two semi-circular structures 10 joined together. The disc has a diameter of 60cm and a thickness of 6cm and is made of wood. The upper surface of the base 1 is coated with mirrored aluminum alloy material, which effectively reflects sunlight, reduces soil surface temperature, and minimizes moisture evaporation. The two semi-circular structures 10 are connected by a central splicing line 11, facilitating installation around the plant stem. In use, the two semi-circular structures 10 are placed on either side of the plant stem, and then joined together along the splicing line 11 to form a complete disc, creating a protective structure around the plant stem.
[0021] Multiple water-collecting anti-evaporation cups 2 penetrate the base 1 and are evenly fixed to the disc by water-collecting anti-evaporation cup fixing bolts 6. Each water-collecting anti-evaporation cup 2 is a prefabricated composite material component with a cup-shaped structure design, an upper inner diameter of 6cm, and a lower inner diameter of 1cm. The water-collecting anti-evaporation cup 2 consists of two main parts: an upper receiving and guiding part and a lower water-absorbing and conveying part.
[0022] The receiving and guiding section is located at the upper part of the water collecting and anti-evaporation cup 2, and has a concave arc-shaped inner wall 3 with a cross-sectional profile of a quarter circle. This arc-shaped design can effectively collect atmospheric rainfall and nighttime condensation, and guide the collected liquid water to its bottom. When rainwater or dew falls into the receiving and guiding section, the guiding effect of the arc-shaped inner wall 3 causes the water to quickly converge to the bottom, preventing the water from staying on the surface for too long and evaporating.
[0023] The water-absorbing and conveying section, serving as the handle of the water-collecting and anti-evaporation cup 2, is located below the receiving and guiding section and is a hollow tubular structure filled with absorbent material 4. The handle height h0 is 3cm, and the absorbent material 4 inside is made of synthetic fiber. Synthetic fiber has good water absorption and conductivity, enabling it to quickly absorb water from the receiving and guiding section and, under its own weight, transport the water to the soil at the bottom of the device, providing water supply for the plant roots.
[0024] The thermal expansion and contraction opening and closing component 5, a disc-shaped member, is installed between the receiving guide and the water absorption and conveying section via thermal expansion and contraction opening and closing component fixing bolts 7. This disc-shaped component is made of a thermally expandable and contractible material and has a central fluid channel. The thermal expansion and contraction opening and closing component 5 is configured to deform in response to temperature changes: when the temperature rises, the disc-shaped component expands due to heat, deforming to close the cross-sectional area of the central fluid channel, preventing water in the soil from evaporating upwards through the water absorption and conveying section; when the temperature decreases, the disc-shaped component cools and contracts, restoring its deformation to open the cross-sectional area of the central fluid channel, allowing water collected by the receiving guide to flow into the water absorption and conveying section through the central fluid channel.
[0025] The working principle of the device is as follows: When the temperature rises during the day, the thermal expansion and contraction opening and closing component 5 expands due to heat and closes the channel to prevent water in the soil from evaporating upwards and losing, thus playing a role in water retention; at night or when it rains, the temperature drops, the thermal expansion and contraction opening and closing component 5 contracts and opens the channel, and the rainwater or dew collected by the guide section enters the water absorption and conveying section through the central fluid channel, and then the synthetic fiber water-absorbing material 4 transfers the water to the soil 8 to increase the soil moisture content.
[0026] In use, first level the soil within a 60cm radius around the plant trunk and lay a 3-5cm thick layer of clay. Then, around the plant trunk, assemble the two semi-circular structures 10 along the splicing line 11 to form a complete water-collecting and anti-evaporation disc, ensuring the device fits tightly against the soil surface. The base 1, covered with mirrored aluminum alloy, reflects sunlight and lowers the soil temperature, while multiple water-collecting and anti-evaporation cups 2 continuously collect atmospheric moisture and transport it to the soil around the plant roots, achieving the dual functions of anti-evaporation and water collection, effectively improving the plant's growing environment.
[0027] Example 2: In another alternative embodiment, the basic structure of the water collection and anti-evaporation device is the same as that in Embodiment 1, but its thermal expansion and contraction opening and closing components are implemented in a different way.
[0028] In this embodiment, the thermal expansion and contraction opening and closing component is a bimetallic strip. This bimetallic strip is composed of two thin metal sheets with different coefficients of thermal expansion bonded together, and it also has a central fluid channel at its center. The bimetallic strip is fixed at the connection between the receiving guide and the water-absorbing and conveying part.
[0029] Its working principle is as follows: When the temperature rises during the day, due to the different expansion rates of the two metals, the bimetallic strip will bend and deform in a specific direction. This bending deformation will compress or twist the fluid channel in its center, causing the effective cross-sectional area of the channel to decrease or even completely close, thereby blocking the upward evaporation path of soil moisture. When the temperature drops at night or during rainfall, the bimetallic strip gradually returns to a straight state, and the cross-sectional area of the fluid channel in its center increases, allowing the rainwater or condensate collected in the receiving and guiding section to flow smoothly into the lower water absorption and conveying section.
[0030] Example 3: In another alternative embodiment, the materials and manufacturing process of the device were optimized.
[0031] In this embodiment, the base and the water collection anti-evaporation cup are integrally injection molded from recycled plastic or biodegradable composite material. The base is still designed as a disc spliced together by two semicircles, and the cup body and handle of the water collection anti-evaporation cup are formed as an integral structure during manufacturing.
[0032] The absorbent material is made of natural fibers, such as hydrophilic coconut fiber or wood pulp fiber, which are tightly filled into the hollow structure of the cup handle.
[0033] The advantages of this embodiment are: 1. It uses recycled or biodegradable materials, which is environmentally friendly and in line with the sustainable concept of ecological restoration projects; 2. The one-piece injection molding process simplifies the production steps, improves production efficiency, and significantly reduces the cost per unit; 3. It uses natural fibers as water-absorbing materials, which is lower in cost and can still achieve good water collection and storage functions.
[0034] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.
Claims
1. A water collection and anti-evaporation device for plant cultivation, characterized in that, include: A base for laying around plant stems; Multiple water collection and anti-evaporation cups penetrating the base; The base and the water collection and anti-evaporation cup are made of biodegradable composite material; The water collection and anti-evaporation cup includes an upper receiving and guiding part and a lower water absorption and conveying part; The receiving and guiding part has an upwardly concave arc-shaped inner wall for guiding the received liquid water to its bottom; the water-absorbing and conveying part is a hollow tubular structure filled with water-absorbing material, which is a natural fiber material. A thermal expansion and contraction opening and closing component is provided between the receiving guide and the water absorption and delivery part. The thermal expansion and contraction opening and closing component has a central fluid channel and is configured to: deform in response to an increase in temperature to close the cross-sectional area of the central fluid channel, and restore deformation in response to a decrease in temperature to open the cross-sectional area of the central fluid channel.
2. The water collection and anti-evaporation device according to claim 1, characterized in that, The thermal expansion and contraction opening and closing component is a disc-shaped component.
3. The water collection and anti-evaporation device according to claim 2, characterized in that, The disc-shaped component is made of a material that expands and contracts with temperature, and has a central fluid channel at its center.
4. The water collection and anti-evaporation device according to claim 1, characterized in that, The water-absorbing and water-transporting part is the handle of the water-collecting and anti-evaporation cup.
5. The water collection and anti-evaporation device according to claim 1, characterized in that, The base is a disc made up of two semi-circular structures joined together.
6. The water collection and anti-evaporation device according to claim 1, characterized in that, The upper surface of the base is covered with a mirror-finish aluminum alloy material.
7. The water collection and anti-evaporation device according to claim 1, characterized in that, The cross-sectional profile of the concave arc-shaped inner wall is a quarter circle arc.
8. The water collection and anti-evaporation device according to claim 1, characterized in that, The water collection and anti-evaporation cup is a prefabricated component made of composite materials.
9. A method of using a water collection and anti-evaporation device as described in any one of claims 1-8, characterized in that, Includes the following steps: Plant the plants in the designated locations within the area to be planted. Level the soil around the plant stem; Lay a layer of clay on the leveled ground; The base of the water collection and anti-evaporation device is laid around the plant stem, so that the lower end of the water-absorbing and water-transporting part of the water collection and anti-evaporation cup is in contact with the clay layer or soil.