Automatic water supply device for planting bean sprouts in greenhouse

Abstract

The utility model relates to the technical field of greenhouse bean sprout planting equipment, in particular to an automatic water supply device for greenhouse bean sprout planting, which comprises a greenhouse, a plurality of planting grooves arranged in the greenhouse, supporting legs fixedly connected to the bottoms of the planting grooves, a water storage tank fixedly connected to one side outside the greenhouse, and a pump fixedly connected to the upper portion of the water storage tank. The input end of the pump is fixedly connected with a water feeding pipe, the water feeding pipe penetrates through the top of the reservoir and extends inwards, the output end of the pump is fixedly connected with a main pipe, the main pipe penetrates through the greenhouse and extends inwards, a liquid level meter is installed at the bottom in the planting groove, a spraying pipe is arranged at the top of the planting groove, and a plurality of spraying heads are fixedly connected to the bottom of the spraying pipe; according to the greenhouse, nutrient solution is monitored in real time through the liquid level meters of all the planting grooves, all the electromagnetic valves are controlled through the controller, the planting grooves are supplemented according to needs, manpower is saved, and meanwhile cost is saved.

Description

Technical Field

[0001] This utility model relates to the technical field of greenhouse sprout cultivation equipment, specifically an automatic water supply device for greenhouse sprout cultivation. Background Technology

[0002] Sprouts, also known as sprouts, are edible seedlings, young stems, buds, or shoots cultivated from plant seeds or using nutrient containers under specific conditions. They are rich in vitamins, minerals, and dietary fiber, which help promote intestinal peristalsis, improve constipation, and enhance immunity. Currently, when using greenhouse floating capillary cultivation technology, the width of the planting trough is generally 40-50cm, the depth is controlled at about 12-15cm, with a maximum depth of 20cm, and the length is about 10-20m. Even within the same greenhouse, the length may vary depending on the location and the amount of sunlight received. Factors affecting plant growth and nutrient solution evaporation lead to varying nutrient solution consumption rates in different planting troughs. Furthermore, different seasons and growth stages also affect the rate of nutrient solution consumption. Due to the technical requirements of planting trough depth, timely replenishment of nutrient solution is crucial. Currently, most nutrient solution replenishment is done by operators observing the plants, which is time-consuming and labor-intensive for large-scale planting. Even some automated replenishment devices only replenish at fixed intervals, failing to provide on-demand replenishment for each planting trough. Therefore, improvements are needed to meet planting requirements. Utility Model Content

[0003] To address the above technical problems, this utility model provides an automatic water supply device for greenhouse sprout cultivation.

[0004] To solve the above-mentioned technical problems, the present invention provides an automatic water supply device for greenhouse sprout cultivation, comprising a greenhouse, several planting troughs placed inside the greenhouse, support legs fixedly connected to the bottom of the planting troughs, a water storage tank fixedly connected to one side of the greenhouse, a pump fixedly connected above the water storage tank, a water inlet pipe fixedly connected to the input end of the pump, the water inlet pipe passing through the top of the water storage tank and extending inward, a main pipe fixedly connected to the output end of the pump, the main pipe passing through the greenhouse and extending inward, a level gauge installed at the bottom of the planting troughs, a spray pipe installed at the top of the planting troughs, several spray heads fixedly connected to the bottom of the spray pipe, the spray pipe communicating with the main pipe through a branch pipe, a solenoid valve fixedly connected to the branch pipe, the portion of the main pipe located inside the greenhouse fixedly connected to the greenhouse through a fixing frame, a controller fixedly connected inside the greenhouse, the level gauge communicating with the controller, and the solenoid valve and pump controlled by the controller.

[0005] Furthermore, the portions of the water storage tank, the pump, the water supply pipe, and the main pipe located outside the greenhouse are all covered with an insulation layer.

[0006] Furthermore, a liquid replenishment port is fixedly connected above the water storage tank, and the liquid replenishment port is covered.

[0007] This utility model has the following advantages compared with the prior art:

[0008] This invention, by installing level gauges in each planting trough, allows for on-demand replenishment of nutrient solution by controlling the corresponding branch pipes according to the amount of nutrient solution in each trough. This reduces manual labor intensity while saving resources and costs. Replenishing nutrient solution through spraying can quickly and evenly distribute water on the leaves and roots of crops, improving irrigation efficiency, reducing water waste, and washing away dust and pathogens from crop leaves, thus reducing the occurrence and spread of pests and diseases. Attached Figure Description

[0009] Figure 1 This is the left view of the structure of this utility model.

[0010] Figure 2 This is the main view of the structure of this utility model.

[0011] In the diagram: 1. Greenhouse, 2. Water storage tank, 3. Pump, 4. Water supply pipe, 5. Main pipe, 6. Fixing frame, 7. Branch pipe, 8. Solenoid valve, 9. Sprinkler pipe, 10. Sprinkler head, 11. Planting trough, 12. Support leg, 13. Liquid level gauge, 14. Controller, 15. Liquid replenishment port. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] like Figures 1 to 2 An automatic water supply device for growing sprouts in a greenhouse is shown, comprising a greenhouse 1, inside which are placed several planting troughs 11, with several support legs 12 fixedly connected to the bottom of each planting trough 11. A water storage tank 2 is fixedly connected to one side of the greenhouse 1, and a pump 3 is fixedly connected above the water storage tank 2. A water inlet pipe 4 is fixedly connected to the input end of the pump 3, passing through the top of the water storage tank 2 and extending inward. A main pipe 5 is fixedly connected to the output end of the pump 3, passing through the greenhouse 1 and extending inward. A level gauge 13 is installed at the bottom of each planting trough 11. A spray pipe 9 is installed at the top, and several spray heads 10 are fixedly connected to the bottom of the spray pipe 9. The spray pipe 9 is connected to the main pipe 5 through branch pipes 7. The spray pipe 9 is fixedly connected to the arch frame at the top of the greenhouse 1 through a tie rod. A solenoid valve 8 is fixedly connected to the branch pipe 7 to control the flow of each branch pipe 7. The part of the main pipe 5 located inside the greenhouse 1 is fixedly connected to the arch frame at the top of the greenhouse 1 through a fixing bracket 6. A controller 14 is fixedly connected inside the greenhouse 1. The level gauge 13 is connected to the controller 14. The solenoid valve 8 and the pump 3 are controlled by the controller 14.

[0014] To ensure water supply even when the outside temperature is low, the portions of the water storage tank 2, pump 3, water supply pipe 4, and main pipe 5 located outside the greenhouse 1 are all covered with insulation layers.

[0015] To facilitate the replenishment or preparation of medicines in the water storage tank 2, a liquid inlet 15 is fixedly connected to the top of the water storage tank 2. The liquid inlet 15 is covered to prevent external dust, bacteria, etc. from entering the water storage tank 2 and causing pollution, which would ultimately affect the growth of the sprouts.

[0016] It should be noted that: in this embodiment, the controller 14 is a PLC controller, the level gauge 13 is a pressure level gauge, and both the controller and the solenoid valve 8 are existing devices, and their specific structures will not be described in detail.

[0017] The working process of this embodiment is as follows:

[0018] When in use, first set the PLC controller to set low and high liquid level thresholds. When the PLC controller receives a liquid level information from a pressure level gauge that is lower than the low liquid level threshold, it opens the solenoid valve 8 and pump 3 on the branch pipe 7 above the planting trough 11 where the corresponding pressure level gauge is located. At this time, pump 3 delivers the nutrient solution in the water storage tank 2 to the main pipe 5, then flows into the corresponding branch pipe 7, and finally sprays it out through the spray head 10 below the spray pipe 9 to replenish the nutrient solution in the planting trough 11. When the liquid level signal detected by the pressure level gauge is higher than the set high liquid level threshold, the PLC controller controls the solenoid valve 8 and pump 3 on the corresponding branch pipe 7 to close, stopping the replenishment. This allows for on-demand replenishment of each planting trough 11. During this period, the replenishment port 15 facilitates the replenishment of nutrient solution and the preparation of medicines in the water storage tank 2.

Claims

1. An automatic water supply device for growing sprouts in a greenhouse, comprising a greenhouse (1), wherein a plurality of planting troughs (11) are placed inside the greenhouse (1), and a support leg (12) is fixedly connected to the bottom of the planting trough (11), characterized in that: A water storage tank (2) is fixedly connected to one side of the greenhouse (1). A pump (3) is fixedly connected above the water storage tank (2). A water inlet pipe (4) is fixedly connected to the input end of the pump (3). The water inlet pipe (4) passes through the top of the water storage tank (2) and extends inward. A main pipe (5) is fixedly connected to the output end of the pump (3). The main pipe (5) passes through the greenhouse (1) and extends inward. A level gauge (13) is installed at the bottom of the planting trough (11). A spray pipe (9) is installed at the top of the planting trough (11). A number of spray heads (10) are fixedly connected to the bottom of the spray pipe (9). The spray pipe (9) is connected to the main pipe (5) through the branch pipe (7). A solenoid valve (8) is fixedly connected to the branch pipe (7). The part of the main pipe (5) located inside the greenhouse (1) is fixedly connected to the greenhouse (1) through the fixing frame (6). A controller (14) is fixedly connected inside the greenhouse (1). The level gauge (13) is communicatively connected to the controller (14). The solenoid valve (8) and the pump (3) are controlled by the controller (14).

2. The automatic water supply device for greenhouse sprout cultivation according to claim 1, characterized in that: The portions of the water storage tank (2), the pump (3), the water supply pipe (4), and the main pipe (5) located outside the greenhouse (1) are all covered with an insulation layer.

3. The automatic water supply device for greenhouse sprout cultivation according to claim 1, characterized in that: A liquid replenishment port (15) is fixedly connected above the water storage tank (2), and the liquid replenishment port (15) is covered.

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