Soilless culture nutrient solution tank capable of adjusting temperature

Abstract

The utility model belongs to the technical field of agricultural crop cultivation auxiliary devices, and particularly relates to a soilless culture nutrient solution tank capable of adjusting the temperature. Wherein the built-in barrel is sleeved with the external barrel, a water bath interlayer is formed between the inner wall of the built-in barrel and the inner wall of the external barrel, the external barrel is connected to the movable base, and a heat preservation layer is arranged between the inner wall and the outer wall of the external barrel; a water outlet and a temperature sensor mounting port are formed in the side surface of the external barrel; a water inlet is formed in the bottom; a temperature sensing device is mounted in the temperature sensor mounting opening; the water inlet and the water outlet are respectively communicated with the water outlet and the water inlet of the cold and warm water machine through pipelines; the device is suitable for regulating and controlling the requirements of soilless culture plants on the temperature of the nutrient solution in different periods, is wide in application range and simple to operate, and has important significance on improving the product quality; in use, the water cooling and heating machine can be flexibly moved through the movable base, and the size of the base and the temperature of the water cooling and heating machine are automatically set according to actual application requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural crop cultivation auxiliary devices, and particularly relates to a soilless cultivation nutrient solution tank capable of adjusting temperature. Background Technique

[0002] With the progress of society, modern agriculture has gradually liberated land, and large-scale soilless cultivation facilities have emerged. Nutrient solution is an important part of soilless cultivation facilities and also a core element to ensure a good harvest. Temperature is an important external factor affecting the efficient utilization of nutrient solution.

[0003] Soilless cultivation is an agricultural cultivation form with high production efficiency, which can improve the commercial value of products, liberate land, overcome external environmental conditions, and reduce pests and diseases. Its nutrient solution is the main source of plant nutrients. However, different temperatures of the nutrient solution affect the dissolution of nutrients and also seriously affect the absorption of nutrients by plant roots. Plant roots are important organs for absorbing nutrients in plants and also important organs for sensing the external environment. Therefore, the temperature of the nutrient solution seriously affects the physiological metabolism of plant roots and the commercial value of products.

[0004] Currently, it is not easy to control the temperature of the nutrient solution in the nutrient solution tank during soilless cultivation production. If the temperature does not meet the standard, it is not conducive to the growth of plant roots and seriously affects the yield and quality of products. The currently used nutrient solution tanks are very simple, without a temperature control device for the nutrient solution or a heat preservation device, only simple flow pipelines. Therefore, the way of using the nutrient solution, the time of use, and the storage time in the facility will all seriously affect the temperature of the nutrient solution, thereby affecting the yield and quality of crops. If a temperature control device is directly placed in the nutrient solution tank for heating or cooling treatment, although the temperature can be controlled, the chemical substances in the nutrient solution have a strong corrosive effect on the device, so the service life of the device is not long. Therefore, researching and developing a soilless cultivation nutrient solution tank capable of adjusting the temperature of the nutrient solution is of great significance for realizing efficient soilless cultivation production and improving product quality. Summary of the Invention

[0005] In order to overcome the above problems, the utility model provides a soilless cultivation nutrient solution tank capable of adjusting temperature, which is suitable for regulating the temperature requirements of soilless cultivation plants for nutrient solution at different times, has a relatively wide range of use, is simple to operate, and is of great significance for improving product quality; and can be flexibly moved through a movable base during use, and the size of the base and the temperature of the cold and warm water machine can be set according to actual application requirements.

[0006] A soilless cultivation nutrient solution tank with adjustable temperature, comprising an inner barrel 1, an outer barrel 2, a temperature sensing device 4, a movable base 5 and a cooling and heating water machine. The inner barrel 1 is sleeved and fixed inside the outer barrel 2, and a water bath sandwich layer 6 is formed between the inner walls of the inner barrel 1 and the outer barrel 2. The outer barrel 2 is connected to the movable base 5, and a heat insulation layer 3 is provided between the inner wall and the outer wall of the outer barrel 2.

[0007] The side of the outer barrel 2 is successively provided with a water outlet 22 and a temperature sensor mounting port 24 from top to bottom. The bottom of the outer barrel 2 is provided with a water inlet 21. The temperature sensor mounting port 24 is equipped with a temperature sensing device 4. The water inlet 21 and the water outlet 22 are respectively communicated with the water outlet and the water inlet of the cooling and heating water machine through pipelines to convey treated water into the water bath sandwich layer 6.

[0008] A temperature display mounting port 23 is provided on the side of the outer barrel 2 between the water outlet 22 and the temperature sensor mounting port 24. A temperature display is installed in the temperature display mounting port 23. The temperature sensing device 4 in the temperature sensor mounting port 24 is respectively electrically connected to the temperature display and an intelligent temperature controller.

[0009] The water outlet 22, the temperature sensor mounting port 24 and the water inlet 21 all penetrate through the inner and outer walls of the outer barrel 2 and are communicated with the inside of the outer barrel 2.

[0010] An external thread 12 is provided on the outer circle of the top of the inner barrel 1, and an internal thread is provided on the inner circle of the top of the outer barrel 2. The inner barrel 1 is placed into the outer barrel 2 and is tightly fixed to the outer barrel 2 by threads.

[0011] The movable base 5 includes short columns 51, a base body 52 and pulleys 53. Four pulleys 53 are provided at the bottom of the base body 52, and a plurality of short columns 51 for limiting the outer barrel 2 are provided at the top edge.

[0012] A round hole for passing through the water inlet pipe is provided at a position on the movable base 5 corresponding to the water inlet 21.

[0013] The temperature sensing device 4 includes a connecting frame and a temperature sensor. The connecting frame includes a horizontal portal frame, a horizontal connecting plate and a vertical connecting plate. The vertical connecting plate is fixed at the open end of the portal frame, and the horizontal connecting plate is fixed in the middle of the vertical connecting plate and is located inside the portal frame. A temperature sensor is respectively provided at both ends of the portal frame outside the vertical connecting plate and at the end of the horizontal connecting plate. The portal frame is fixed in the temperature sensor mounting port 24.

[0014] A handle 11 is provided on the outer wall of the barrel mouth of the inner barrel 1.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] 1. Reasonably regulating the temperature of the nutrient solution improves the absorption efficiency of the plant roots for the nutrient solution and the utilization rate of the nutrient solution;

[0017] 2. The nutrient solution tank is convenient for assembly, cleaning and movement;

[0018] 3. Utilizing the principle of water bath heating enables the temperature of the nutrient solution to rise or fall evenly, avoiding the influence on the plant quality and the absorption efficiency of the nutrient solution caused by uneven temperature distribution of the nutrient solution;

[0019] 4. Meeting the requirements of the development of modern agriculture, it has become intelligent, with simple operation and ergonomic design, providing great convenience for agricultural production;

[0020] 5. It has a wide applicable time and distribution range, and is suitable for the requirements of the nutrient solution temperature of various soilless cultivation plants in different seasons and different regions. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings to be used in the description of the embodiments of the present utility model. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the embodiments of the present utility model and these drawings.

[0022] Figure 1 It is a schematic structural diagram of the present utility model;

[0023] Figure 2 It is a schematic structural diagram of the external barrel of the present utility model;

[0024] Figure 3 It is a schematic structural diagram of the internal barrel of the present utility model;

[0025] Figure 4 It is a schematic structural diagram of the temperature sensing device of the present utility model;

[0026] Figure 5 It is a schematic structural diagram of the movable base of the present utility model;

[0027] In the figure: internal barrel 1, handle 11, external thread 12, external barrel 2, water inlet 21, water outlet 22, temperature display installation port 23, temperature sensor installation port 24, heat insulation layer 3, temperature sensing device 4, movable base 5, short column 51, water bath interlayer 6. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only the parts related to the present utility model rather than all the structures are shown in the drawings.

[0029] Embodiment 1

[0030] As Figures 1-5 shown, a soilless culture nutrient solution tank capable of adjusting temperature includes an inner barrel 1, an outer barrel 2, a temperature sensing device 4, a movable base 5 and a cold and warm water machine. The inner barrel 1 is sleeved and fixed inside the outer barrel 2. The top of the inner barrel 1 is fixed inside the outer barrel 2 by threads, and a water bath sandwich layer 6 is formed between the inner walls of the inner barrel 1 and the outer barrel 2. The outer barrel 2 is connected to the movable base 5, and a heat insulation layer 3 is provided between the inner wall and the outer wall of the outer barrel 2;

[0031] The outer barrel 2 is provided with a water outlet 22, a temperature sensor mounting port 24 from top to bottom on the side, and a water inlet 21 at the bottom of the outer barrel 2; the temperature sensor mounting port 24 is equipped with a temperature sensing device 4; the water inlet 21 and the water outlet 22 are respectively communicated with the water outlet and the water inlet of the cold and warm water machine through pipelines to convey treated water into the water bath sandwich layer 6.

[0032] A temperature display mounting port 23 is provided on the side of the outer barrel 2 between the water outlet 22 and the temperature sensor mounting port 24. A temperature display is installed in the temperature display mounting port 23. The temperature sensing device 4 of the temperature sensor mounting port 24 is electrically connected to the temperature display and an intelligent temperature controller respectively.

[0033] The water outlet 22, the temperature sensor mounting port 24 and the water inlet 21 all penetrate the inner and outer walls of the outer barrel 2 and are communicated with the inside of the outer barrel 2.

[0034] The temperature sensing device 4 is electrically connected to the temperature display. The temperature display can display the water temperature in the water bath sandwich layer 6 detected by the temperature sensing device 4, so as to accurately set the water temperature conveyed by the cold and warm water machine and avoid the influence of temperature loss caused by pipeline water conveyance on the plant roots.

[0035] An external thread 12 is provided on the outer circumference of the top of the inner barrel 1, and an internal thread is provided on the inner circumference of the top of the outer barrel 2. The inner barrel 1 is placed inside the outer barrel 2 and is tightly fixed to the outer barrel 2 by threads.

[0036] The movable base 5 includes short columns 51, a base body 52 and pulleys 53. Four pulleys 53 are provided at the bottom of the base body 52, and a plurality of short columns 51 for limiting the outer barrel 2 are provided at the top edge.

[0037] A circular hole for passing through the water inlet pipe is provided at a position on the movable base 5 corresponding to the water inlet 21.

[0038] The temperature sensing device 4 includes a connecting frame and a temperature sensor. The connecting frame includes a horizontal U-shaped frame, a horizontal connecting plate, and a vertical connecting plate. The vertical connecting plate is fixed at the open end of the U-shaped frame, and the horizontal connecting plate is fixed in the middle of the vertical connecting plate and is located inside the U-shaped frame. Temperature sensors are respectively provided at both ends of the U-shaped frame outside the vertical connecting plate and at the end of the horizontal connecting plate. The U-shaped frame is fixed in the temperature sensor installation port 24.

[0039] A handle 11 is provided on the outer wall of the mouth of the inner bucket 1.

[0040] The three temperature sensors can accurately measure the water temperature in the water bath sandwich layer 6 and near the side wall of the outer bucket 2, avoiding losses caused by damage to a certain temperature sensor. At the same time, it can reflect the heat preservation efficiency of the heat preservation layer 3 from the side.

[0041] During use, place the soilless cultivation plants and the required nutrient solution in the inner bucket 1, and then connect the water outlet and the water inlet holes of the cooling and heating water machine to the water inlet 21 and the water outlet 22 through pipelines respectively. Among them, the pipeline of the water outlet of the cooling and heating water machine is passed through the circular hole of the movable base 5 and connected to the water inlet 21. The cooling and heating water machine adds water with appropriate temperature to the water bath sandwich layer 6 through the water inlet 21, and the water flows back into the cooling and heating water machine through the water outlet 22 for circulation use, so that the soilless cultivation plants can be cultivated in an environment with appropriate temperature. The heat preservation layer 3 can play a heat preservation role and extend the time for maintaining the water temperature; at the same time, the water temperature in the water bath sandwich layer 6 is monitored at all times through the temperature sensing device 4. If the temperature is not appropriate, the temperature of the water discharged from the cooling and heating water machine can be adjusted at any time.

[0042] In addition, by calculating the temperature required for the soilless cultivation plants, the water outlet temperature of the cooling and heating water machine is set to ensure that the temperature drop range of the clear water entering the water bath sandwich layer 6 through the water inlet 21 from the water outlet of the cooling and heating water machine after flowing through the pipeline transportation is within a controllable range, thereby avoiding affecting the absorption of the nutrient solution by the plant roots and causing poor plant growth.

[0043] When it is necessary to move the soilless cultivation plants, it can be realized through the four universal wheels under the movable base 5. During the moving process, the short column 51 can prevent the inner bucket 1 and the outer bucket 2 from detaching from the movable base 5 during the moving process, which is beneficial to the flexible and stable movement of the nutrient solution tank.

[0044] Embodiment 2

[0045] A soilless culture nutrient solution tank with adjustable temperature, comprising an inner bucket 1, an outer bucket 2, a thermal insulation layer 3, a temperature sensing device 4, and a movable base 5 for auxiliary movement. The materials of the outer bucket 2 and the inner bucket 1 are both high-density polyethylene, and the thermal insulation material is extruded polystyrene board. Reference Figure 2 , there are a handle 11 and an external thread 12 on the outer wall of the barrel mouth of the inner bucket 1. There is a thread on the inner wall of the outer bucket 2 near the barrel mouth. This design is beneficial for the removal of the inner bucket 1 and its fixation on the outer bucket 2. At the same time, it is also beneficial for the cleaning of the thermal insulation layer 3 and the inspection and maintenance of the temperature sensing device 4 after long-term use.

[0046] Reference Figure 1 , Figure 3 , there are respectively a water inlet 21, a water outlet 22, a temperature display installation port 23, and a temperature sensor installation port 24 on the wall of the outer bucket 2. The water outlet 22 is arranged near the barrel mouth on the outer wall, and the water inlet 21 is arranged at the bottom of the outer bucket 2. The water inlet 21 and the water outlet 22 are connected to a cold and hot water machine, making the device form a closed whole so that the clear water can be fully recycled; the temperature sensor is connected to the temperature display for monitoring the water temperature in the water bath sandwich 3 of the nutrient solution tank. At the same time, it forms a comparison with the operation of the cold and hot water machine. By calculating the temperature difference, the temperature of the cold and hot water machine is reasonably set to ensure that the temperature drop of the clear water entering the water inlet 21 from the water outlet of the cold and hot water machine is within a controllable range after flowing through the pipeline transportation, thereby avoiding affecting the absorption of the nutrient solution by the plant roots and causing poor plant growth; the water temperature set by the cold and hot water machine is the optimum temperature required for plant growth considering environmental impacts. The temperature control of the cold and hot water machine is within a temperature difference of ±3°C. When the set requirements are met, it will enter the heat preservation mode. When it is 3°C lower than the optimum temperature, it will automatically enter the heating mode to raise the water temperature in the water machine until it reaches the fixed temperature setting value. This ensures the clear water temperature and largely avoids large fluctuations in the nutrient solution temperature caused by temperature changes affected by the outside world. At the same time, the height of the device is also in line with ergonomics, making it more convenient and comfortable for the staff to operate.

[0047] Reference Figure 4 , there is a round hole at the position corresponding to the water inlet 21 on the movable base 5, which is convenient for the installation of the water inlet pipe; four small short columns 51 on the movable base 5 are used to fix the combined device to prevent the device from detaching from the movable base 5 during the movement process; four universal wheels, namely pulleys 53, are evenly installed under the movable base 5, which is beneficial for the flexible and stable movement of the nutrient solution tank.

[0048] The preferred embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the protection scope of the present utility model is not limited to the specific details in the above embodiments. Within the technical concept of the present utility model, any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the utility model concept of the present utility model, makes equivalent substitutions or changes, and these simple variations all belong to the protection scope of the present utility model.

[0049] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, without contradiction, they can be combined in any appropriate manner. To avoid unnecessary repetition, the present utility model will not separately describe various possible combination methods.

[0050] Furthermore, any arbitrary combination can be made among the various different embodiments of the present utility model, as long as it does not violate the idea of the present utility model, and it should also be regarded as the content disclosed by the present utility model.

Claims

1. A soilless cultivation nutrient solution tank capable of adjusting temperature, characterized in that, It includes an inner bucket (1), an outer bucket (2), a temperature sensing device (4), a movable base (5), and a cold and hot water machine. The inner bucket (1) is sleeved and fixed inside the outer bucket (2), and a water bath sandwich layer (6) is formed between the inner walls of the inner bucket (1) and the outer bucket (2). The outer bucket (2) is connected to the movable base (5), and a heat insulation layer (3) is provided between the inner wall and the outer wall of the outer bucket (2). On the side of the outer bucket (2), a water outlet (22) and a temperature sensor installation port (24) are successively arranged from top to bottom. An inlet (21) is provided at the bottom of the outer bucket (2). The temperature sensing device (4) is installed in the temperature sensor installation port (24). The inlet (21) and the water outlet (22) are respectively communicated with the water outlet and the inlet of the cold and hot water machine through pipelines to convey treated water into the water bath sandwich layer (6).

2. The soilless cultivation nutrient solution tank capable of adjusting temperature according to claim 1, characterized in that, A temperature display installation port (23) is provided on the side of the outer bucket (2) between the water outlet (22) and the temperature sensor installation port (24). A temperature display is installed in the temperature display installation port (23). The temperature sensing device (4) in the temperature sensor installation port (24) is electrically connected to the temperature display and the intelligent temperature controller respectively.

3. A soilless cultivation nutrient solution tank capable of adjusting temperature according to claim 1, characterized in that, The water outlet (22), the temperature sensor installation port (24), and the inlet (21) all penetrate through the inner and outer walls of the outer bucket (2) and are communicated with the inside of the outer bucket (2).

4. A soilless cultivation nutrient solution tank capable of adjusting temperature according to claim 1, characterized in that, An external thread (12) is provided on the outer circle of the top of the inner bucket (1). An internal thread is provided on the inner circle of the top of the outer bucket (2). The inner bucket (1) is placed inside the outer bucket (2) and is tightly fixed to the outer bucket (2) by threads.

5. A soilless cultivation nutrient solution tank capable of adjusting temperature according to claim 1, characterized in that, The movable base (5) includes short columns (51), a base body (52), and pulleys (53). Four pulleys (53) are provided at the bottom of the base body (52), and a plurality of short columns (51) for limiting the outer bucket (2) are provided at the top edge.

6. A soilless cultivation nutrient solution tank capable of adjusting temperature according to claim 1, characterized in that, A round hole for passing through the water inlet pipe is provided at a position corresponding to the inlet (21) on the movable base (5).

7. A soilless culture nutrient solution tank capable of adjusting temperature according to claim 1, characterized in that, The temperature sensing device (4) includes a connecting frame and a temperature sensor. The connecting frame includes a horizontal portal frame, a horizontal connecting plate, and a vertical connecting plate. The vertical connecting plate is fixed at the open end of the portal frame. The horizontal connecting plate is fixed in the middle of the vertical connecting plate and is located inside the portal frame. A temperature sensor is respectively provided at both ends of the portal frame outside the vertical connecting plate and at the end of the horizontal connecting plate. The portal frame is fixed in the temperature sensor installation port (24).

8. A soilless cultivation nutrient solution tank capable of adjusting temperature according to claim 1, characterized in that, A handle (11) is provided on the outer wall of the mouth of the inner bucket (1).

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