Soilless culture constant-temperature plant shelter equipment

Abstract

The invention relates to the technical field of soilless culture equipment, in particular to soilless culture constant-temperature plant shelter equipment which comprises a heat preservation bin, device frames are arranged at the front end and the rear end of the inner side of the heat preservation bin, a plurality of incubators are fixedly installed at the inner ends of the device frames, and a partition face shell is arranged between every two adjacent incubators. Two circulating pipes are fixedly installed at the inner end of the dividing face shell, outer protection pipes are arranged at the ends, away from each other, of the circulating pipes, the outer protection pipes are fixedly installed at the inner end of the dividing face shell, feeding devices are arranged in the outer protection pipes, and detection devices used for detecting the nutrient content in a nutrient solution are arranged on the sides, close to each other, of the two circulating pipes. The nutrient solution can circularly flow in the incubators, the flowing nutrient solution can continuously bring in oxygen, suffocation of root systems due to oxygen deficit is prevented, the nutrient absorption capacity of plants is improved, healthy growth is promoted, meanwhile, in the flowing process of the nutrient solution, temperature balancing is facilitated, and the situation that the growth of the plants is affected due to local supercooling or superheating is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of soilless cultivation equipment, and particularly to a constant-temperature plant cabin equipment for soilless cultivation. Background Technique

[0002] Soilless cultivation technology is a modern agricultural technology that does not rely on natural soil but provides the nutrients required for plant growth through nutrient solutions. Compared with traditional soil cultivation, soilless cultivation has the advantages of saving water resources, increasing crop yields, and reducing pests and diseases, and is widely used in fields such as protected agriculture, urban agriculture, and vertical agriculture. However, in practical applications, the change of the external environmental temperature has a great impact on plant growth. Especially under extreme climate conditions, plants are easily affected by temperature fluctuations, resulting in slow growth or reduced quality. Therefore, how to provide a stable temperature environment in the soilless cultivation system has become an important research direction for improving plant growth efficiency.

[0003] After retrieval, it is found that the prior art publication number is CN106508649B, which discloses a closed-type plant soilless cultivation system, including: a container that provides a closed space inside, wherein the cultivation area includes a germination and seedling growth area and a cultivation and harvesting area; and wherein the cultivation area includes at least one bracket system, and each bracket system is provided with at least one layer of shelves for placing components capable of accommodating cultivation substrates, and plants are placed in the cultivation substrates.

[0004] Therefore, based on the above retrieval and combined with the existing technology, in some soilless cultivation systems, the temperature and concentration of the nutrient solution may fluctuate locally. An environment that is too cold or too hot will affect plant growth. Many existing soilless cultivation systems may not be able to maintain the continuous flow of the nutrient solution, resulting in oxygen deficiency in the roots or uneven distribution of the nutrient solution, thereby affecting plant growth and nutrient absorption. At the same time, it also needs to rely on manual regular inspection and addition of the nutrient solution. Frequent manual operations will increase the work burden, and it is easy to cause inaccurate nutrient solution concentration due to negligence, affecting plant growth. For this reason, we propose a constant-temperature plant cabin equipment for soilless cultivation. Summary of the Invention

[0005] The purpose of the present invention is to provide a constant-temperature plant cabin equipment for soilless cultivation to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present invention provides the following technical solution: A soilless cultivation constant temperature plant cabin equipment, including a heat preservation cabin, both front and rear ends of the inner side of the heat preservation cabin are provided with device racks, and a plurality of cultivation boxes are fixedly installed at the inner ends of the device racks for cultivating plants. The inner ends of the cultivation boxes are filled with nutrient solution, and the root parts of the plants are immersed in the nutrient solution inside the cultivation boxes. A partition surface shell is arranged between two adjacent cultivation boxes, and two circulation pipes are fixedly installed at the inner end of the partition surface shell, and two water pipes are fixedly connected to the outer surfaces of the circulation pipes. One end of the water pipe away from the circulation pipe is fixedly connected to the cultivation box. Outer protection pipes are arranged at the mutually remote ends of the circulation pipes, and the outer protection pipes are fixedly installed at the inner end of the partition surface shell. A feeding device is arranged inside the outer protection pipe for timely supplementing the nutrient content in the cultivation box. A detection device for checking the nutrient content in the nutrient solution is arranged on one side where the two circulation pipes are close to each other.

[0007] As a further scheme of the present invention, a lower support plate is fixedly installed at the inner bottom end of the partition surface shell, a double-shaft motor is fixedly installed at the upper end of the lower support plate, driving rods are fixedly installed at both the left and right ends of the double-shaft motor, the driving rods penetrate inside the circulation pipes, water wheels are rotatably installed at the inner ends of the circulation pipes, and the water wheels are fixedly connected to the driving rods.

[0008] As a further scheme of the present invention, the output end of the double-shaft motor drives the water wheel to rotate through the driving rod, so that the nutrient solution inside the cultivation box is in a flowing state after the rotation of the water wheel, enabling the plant roots in each cultivation box to obtain balanced nutrition. The rotation of the water wheel keeps the nutrient solution flowing inside the cultivation box, ensuring that the plant roots in each cultivation box can evenly absorb nutrients, and avoiding the influence on plant growth due to lack of nutrition in some areas.

[0009] As a further scheme of the present invention, the detection device includes a stabilizing plate, the stabilizing plate is sleeved on the outer surface of the driving rod, and the outer surface of the stabilizing plate fits with the inner wall of the circulation pipe. Connecting covers are fixedly installed at both the left and right ends of the inner side of the circulation pipe, a plurality of through holes are opened on the outer surface of the connecting cover, a buffer cover is fixedly installed at the inner end of the circulation pipe, and the buffer cover is fixedly connected to the connecting cover. The nutrient solution can pass through the connecting cover and come to the inside of the buffer cover.

[0010] As a further scheme of the present invention, two detection boxes are arranged on the right side of the stabilizing plate, two through holes are opened at the left end of the buffer cover, and the detection boxes are respectively inserted into the two through holes, and the detection boxes are fixedly connected to the stabilizing plate through a central plate. A groove is opened at the center of the outer surface of the driving rod, and a stabilizing ring is arranged between the stabilizing plate and the detection box, making the entire detection system more stable and avoiding deviation or inaccuracy caused by vibration or other factors during operation.

[0011] As a further solution of the present invention, the stabilizing ring is sleeved in the groove at the center of the driving rod, so that the stabilizing ring can only move left and right within a limited range, and the stabilizing ring is fixedly connected to the central plate. A thruster is fixedly installed at the upper end of the stabilizing ring through bolts, and the telescopic end of the thruster contacts the inner surface of the groove on the outer surface of the driving rod.

[0012] As a further solution of the present invention, a detection probe is rotatably installed at the inner end of the detection box. The detection probe is connected to the inner end of the detection box through a return spring. When the detection probe enters the inside of the buffer cover, the detection probe rotates under the action of the elastic force of the return spring and extends into the inside of the buffer cover to detect the nutrients of the nutrient solution inside.

[0013] As a further solution of the present invention, the feeding device includes a mixing pipe. The mixing pipe is fixedly installed at the inner end of the outer protection pipe. A driving sleeve is rotatably installed at one end of the mixing pipe close to the circulation pipe. A stabilizing cover is fixedly installed at the inner end of the circulation pipe. The stabilizing cover is located on the left side of the driving sleeve. A transmission rod is rotatably installed at one end of the stabilizing cover close to the mixing pipe.

[0014] As a further solution of the present invention, passive gears are fixedly installed at the mutually approaching ends of the transmission rod and the driving sleeve. An activity sleeve is arranged between the transmission rod and the driving sleeve. A synchronous sleeve is rotatably installed at the inner end of the activity sleeve. The synchronous sleeve is sleeved on the outer surfaces of the two passive gears. After the synchronous sleeve moves towards the transmission rod, the synchronous sleeve no longer continues to be sleeved on the outer surface of the passive gear on the driving sleeve.

[0015] As a further solution of the present invention, a liquid extraction pipe is fixedly connected to one end of the stabilizing cover close to the mixing pipe. The end of the liquid extraction pipe away from the stabilizing cover penetrates into the inside of the mixing pipe. An activity plug is slidably sleeved at the inner end of the mixing pipe. A screw rod is fixedly connected to the left end of the activity plug. The driving sleeve is threadedly sleeved on the outer surface of the screw rod.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. When the present invention is used, the nutrient solution can circulate inside multiple incubators. The flowing nutrient solution can continuously bring in oxygen, prevent the roots from suffocating due to lack of oxygen, improve the ability of plants to absorb nutrients, promote healthy growth. At the same time, during the flow of the nutrient solution, it helps to balance the temperature and prevent local overcooling or overheating from affecting the growth of plants;

[0018] 2. When the present invention is in use, by detecting the nutrient components of the flowing nutrient solution, it can ensure that the plants are always at an appropriate nutrient level, avoiding poor plant growth or reduced yield caused by nutrient deficiency. If the nutrients in the nutrient solution decrease, the feeding device can supplement certain nutrient components to it, so that in a large-scale cultivation system, the burden of manual operation can be effectively reduced, the frequent entry and exit of the constant-temperature plant cabin is reduced, the internal environment of the cabin changes, and the production efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of a soilless cultivation constant-temperature plant cabin device;

[0020] Figure 2 is a schematic structural diagram at the device frame;

[0021] Figure 3 is a schematic structural diagram at the incubator;

[0022] Figure 4 is a schematic structural diagram inside the split surface shell;

[0023] Figure 5 is a schematic structural diagram inside the circulation pipe;

[0024] Figure 6 is a schematic structural diagram of the detection device;

[0025] Figure 7 is an enlarged internal view of the detection device;

[0026] Figure 8 is a schematic structural diagram inside the detection box;

[0027] Figure 9 is a schematic position structural diagram of the feeding device;

[0028] Figure 10 is a schematic transmission relationship structural diagram between the movable sleeve and the driving sleeve;

[0029] Figure 11 is a schematic structural diagram inside the mixing pipe;

[0030] Figure 12 is a schematic structural diagram inside the collar.

[0031] In the figure: 1. Heat preservation bin; 2. Water tank; 3. Device frame; 4. Incubator; 5. Split surface shell; 6. Grid plate;

[0032] 101. Water pipe; 102. Circulation pipe; 103. Biaxial motor; 104. Fixed cover; 105. Lower support plate; 106. Water supply pipe; 107. Driving rod; 108. Water wheel; 109. Transmission rod;

[0033] 201. Outer protection tube; 202. Buffer cover; 203. Stabilizing plate; 204. Central plate; 205. Detection box; 206. Stabilizing ring; 207. Connecting cover; 208. Thruster; 209. Reset spring; 210. Detection probe

[0034] 301. Nutrition cylinder; 302. Collar; 303. Driving motor; 304. Spreading ring; 305. Feeding screw

[0035] 401. Liquid extraction tube; 402. Driving sleeve; 403. Mixing tube; 404. Stabilizing cover; 405. Electric push rod; 406. Intermediate gear; 407. Synchronous gear; 408. Output gear; 409. Driven gear; 410. Synchronous sleeve; 411. Movable sleeve; 412. Tooth ring; 413. Screw; 414. Movable plug Specific embodiments

[0036] 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 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.

[0037] Example 1: Please refer to Figure 1 - Figure 4 , a soilless cultivation constant temperature plant cabin device, including a heat preservation bin 1. At both the front and rear ends inside the heat preservation bin 1, device racks 3 are provided. The inner ends of the device racks 3 are fixedly installed with a plurality of cultivation boxes 4 through buckles for cultivating plants. Specifically, a grid plate 6 is provided at the upper end of each cultivation box 4 for fixing the growth of plants. A plurality of positioning holes are provided in the upper part of the grid plate 6, and the cultivated plants are respectively inserted into the positioning holes to ensure that the plants are arranged neatly and orderly, so that the plants do not interfere with each other during the growth process. The inner ends of the cultivation boxes 4 are filled with nutrient solution, and the root parts of the plants are immersed in the nutrient solution inside the cultivation boxes 4. A partition surface shell 5 is provided between two adjacent cultivation boxes 4. Two circulation pipes 102 are fixedly installed at the inner end of the partition surface shell 5 through clamps, and two water pipes 101 are fixedly connected to the outer surfaces of the circulation pipes 102. One end of the water pipe 101 away from the circulation pipe 102 is fixedly connected to the cultivation box 4;

[0038] More specifically, every six of the multiple incubators 4 in the device rack 3 form a group. Among them, every two vertical incubators 4 are interconnected, and two water pipes 101 connect the two horizontal incubators 4 to enable the nutrient solution inside the incubators 4 to flow mutually, so as to make the nutrient distribution more uniform. Moreover, a drain valve is provided at the bottom end of the incubator 4 to facilitate the discharge of the waste liquid inside the incubator 4 when regularly replacing the nutrient solution. A heating element is fixedly installed at the inner end of the incubator 4, which is used to heat the liquid inside the incubator 4 to a suitable temperature and keep it in a constant temperature state. The heating element is an existing mature technology and will not be elaborated here;

[0039] Outer protection tubes 201 are provided at both ends of the circulation pipes 102 that are far away from each other, and the outer protection tubes 201 are fixedly installed at the inner end of the partition surface shell 5 through clamps. A feeding device is provided inside the outer protection tubes 201 to timely supplement the nutrient content of the nutrient solution in the incubator 4. A detection device for checking the nutrient content in the nutrient solution is provided on one side where the two circulation pipes 102 are close to each other. Specifically, the detection device mainly checks whether the proportions of nitrogen, phosphorus, potassium and trace elements in the nutrient solution are appropriate. If the nutrient content is too low, the feeding device is used to appropriately supplement nutrients. An oxygenation device (not shown in the figure) is provided inside the device rack 3, and the oxygenation device can continuously supply oxygen to the liquid inside the incubator 4. The oxygenation device is an existing mature technology, and the specific working principle will not be elaborated here.

[0040] As Figure 4 shown, a lower support plate 105 is fixedly installed at the inner bottom end of the partition surface shell 5 through bolts. A dual-axis motor 103 is fixedly installed at the upper end of the lower support plate 105 through a clamp. The dual-axis motor 103 has two rotors and two output shafts, and can provide power in different rotation directions in two directions simultaneously. It is an existing mature technology and will not be elaborated here. Moreover, fixed covers 104 are rotatably installed on the left and right sides of the lower support plate 105 through pins. After rotating the fixed cover 104, plant nutrient agents can be added;

[0041] Drive rods 107 are fixedly installed at both left and right ends of the dual-axis motor 103. The drive rods 107 are inserted into the inside of the circulation pipes 102. A water wheel 108 is rotatably installed at the inner end of the circulation pipes 102, and the water wheel 108 is fixedly connected to the drive rods 107. The output end of the dual-axis motor 103 drives the water wheel 108 to rotate through the drive rods 107, so that the nutrient solution inside the incubator 4 is in a flowing state after the rotation of the water wheel 108, enabling the plant roots in each incubator 4 to obtain balanced nutrients and avoiding too high or too low nutrient concentration in some areas;

[0042] Specifically, the two circulation pipes 102 respectively correspond to the two horizontal incubators 4. When the water wheel 108 rotates, the nutrient solution flows inside the multiple incubators 4. The flowing nutrient solution can continuously introduce oxygen, prevent the roots from suffocating due to lack of oxygen, improve the ability of plants to absorb nutrients, and promote the healthy growth of plants.

[0043] Embodiment 2: Please refer to Figure 4 - Figure 8 , a soilless cultivation constant-temperature plant cabin device. Based on Embodiment 1, the detection device includes a stabilizing plate 203. The stabilizing plate 203 is sleeved on the outer surface of the driving rod 107, and the outer surface of the stabilizing plate 203 is in contact with the inner wall of the circulation pipe 102. Specifically, a rectangular block is fixedly installed on the outer surface of the stabilizing plate 203, and a rectangular groove is provided on the inner wall of the circulation pipe 102. The rectangular block is inserted into the rectangular groove to prevent the stabilizing plate 203 from rotating during the left-right sliding process on the inner wall of the circulation pipe 102. Connecting covers 207 are fixedly installed at both the left and right ends inside the circulation pipe 102, and the water wheel 108 is located between the two connecting covers 207. A plurality of through holes are provided on the outer surface of the connecting cover 207. A buffer cover 202 is fixedly installed at the inner end of the circulation pipe 102, and the buffer cover 202 is fixedly welded to the connecting cover 207. Then, when the water wheel 108 rotates, the nutrient solution can pass through the connecting cover 207 and come to the inside of the buffer cover 202;

[0044] Two detection boxes 205 are provided on the right side of the stabilizing plate 203. Two through holes are provided at one end of the buffer cover 202 close to the connecting cover 207, and the detection boxes 205 are respectively inserted into the two through holes. Specifically, a sealing gasket is fixedly sleeved on the outer surface of the detection box 205 and is in close contact with the inner wall of the through hole on the left side of the buffer cover 202 to increase the sealing performance. The detection box 205 and the stabilizing plate 203 are fixedly connected through a central plate 204. A groove (the radius at the center is smaller than the radii at both ends) is provided at the center of the outer surface of the driving rod 107. A stabilizing ring 206 is provided between the stabilizing plate 203 and the detection box 205. The stabilizing ring 206 is sleeved in the groove at the center of the driving rod 107, so that the stabilizing ring 206 can only move left and right within a limited range, and the stabilizing ring 206 is fixedly connected to the central plate 204. A thruster 208 is fixedly installed at the upper end of the stabilizing ring 206 through a bolt, and the telescopic end of the thruster 208 contacts the inner surface of the groove on the outer surface of the driving rod 107;

[0045] More specifically, a contact ball is rotatably installed at the end of the telescopic end of the thruster 208, and the contact ball contacts the outer surface of the drive rod 107. To prevent abnormal noises from occurring during the rotation of the drive rod 107 after the drive rod 107 contacts the contact ball, lubricating grease is applied to the position of the contact ball. The right end of the detection box 205 and the connection cover 207 are connected by a contact spring, so that after the detection box 205 moves to the right, under the elastic force of the contact spring, the detection box 205 can be pushed back to the initial state.

[0046] Such as Figure 7 , Figure 8 , a detection probe 210 is rotatably installed at the inner end of the detection box 205, and the detection probe 210 and the inner end of the detection box 205 are connected by a return spring 209. When the detection probe 210 enters the inside of the buffer cover 202, the detection probe 210 rotates under the elastic force of the return spring 209 and extends into the inside of the buffer cover 202 to detect the nutrient components of the internal nutrient solution. Then, when the detection box 205 moves towards the stabilizing plate 203, the detection probe 210 retracts into the inside of the detection box 205 when it abuts against the inner wall of the buffer cover 202;

[0047] Specifically, the probe of the detection probe 210 is located inside the detection box 205, and only when the detection probe 210 rotates will the probe of the detection probe 210 be exposed. Moreover, a water-absorbing cloth is provided inside the detection box 205. At this time, when the detection probe 210 retracts into the inside of the detection box 205, the water-absorbing cloth can absorb and clean the probe on the detection probe 210. When the detection box 205 moves towards the stabilizing plate 203, after the outer surface of the detection probe 210 contacts the inner end of the buffer cover 202 and under the action of extrusion, the detection probe 210 rotates back into the inside of the detection box 205;

[0048] The probe is immersed in the nutrient solution and waits for the electrode potential to stabilize. The potential value will change with the change of the sample ion concentration. The measured potential value is compared with the previous calibration curve, and the concentration of the target ion in the sample is calculated based on the potential value, so as to detect the concentration of the nutrient components in the nutrient solution. This detection method is an existing mature technology, and the specific working principle will not be elaborated here.

[0049] Such as Figure 2 , Figure 9 - Figure 12 As shown in the figure, the feeding device includes a mixing pipe 403. The mixing pipe 403 is fixedly installed at the inner end of the outer protection pipe 201 through a clamp. A drive sleeve 402 is rotatably installed at one end of the mixing pipe 403 close to the circulation pipe 102. A stabilizing cover 404 is fixedly installed at the inner end of the circulation pipe 102. The stabilizing cover 404 is located on the side away from the drive sleeve 402. A transmission rod 109 is rotatably installed at one end of the stabilizing cover 404 close to the mixing pipe 403, and the transmission rod 109 is fixedly connected to the water wheel 108;

[0050] At one end where the transmission rod 109 and the drive sleeve 402 are close to each other, passive gears 409 are fixedly installed. An movable sleeve 411 is arranged between the transmission rod 109 and the drive sleeve 402. A synchronizing sleeve 410 is rotatably installed at the inner end of the movable sleeve 411. Multiple teeth are fixedly installed at the inner end of the synchronizing sleeve 410. The synchronizing sleeve 410 is sleeved on the outer surfaces of the two passive gears 409. After the synchronizing sleeve 410 moves towards the transmission rod 109, at this time, the synchronizing sleeve 410 no longer continues to be sleeved on the outer surface of the passive gear 409 on the drive sleeve 402;

[0051] Specifically, a transfer gear 406 and a synchronizing gear 407 are rotatably installed at the upper inner side of the movable sleeve 411 respectively. The transfer gear 406 meshes with the synchronizing gear 407. A toothed ring 412 is fixedly installed on the outer surface of the synchronizing sleeve 410. The toothed ring 412 meshes with the transfer gear 406. The inner end of the outer protection tube 201 is fixedly installed with an electric push rod 405 through bolts. The telescopic end of the electric push rod 405 is fixedly connected with the movable sleeve 411. An output gear 408 is rotatably installed at one end of the movable sleeve 411 close to the drive sleeve 402. The output gear 408 is fixedly connected with the synchronizing gear 407. After the synchronizing sleeve 410 disengages from the outer surface of the passive gear 409 fixedly connected to the drive sleeve 402, at this time, the output gear 408 meshes with the passive gear 409. Then when the electric push rod 405 continuously drives the movable sleeve 411 to move, finally the output gear 408 also no longer meshes with the passive gear 409. It should be noted that when the electric push rod 405 works, the dual-axis motor 103 will automatically reduce the speed to prevent gear collision at high speed, thereby avoiding device damage.

[0052] As Figure 2 、 Figure 9 shown, a water supply pipe 106 is fixedly connected to one end of the stable cover 404 close to the mixing pipe 403. A water tank 2 is fixedly installed at the inner end of the device frame 3. A water pump is arranged in the water tank 2. Nutrient solution is contained in the water tank 2. The input end of the water supply pipe 106 is fixedly connected to the output end of the water pump;

[0053] As Figure 9 - Figure 12As shown, at one end of the stable cover 404 close to the mixing tube 403, a liquid extraction tube 401 is fixedly connected. One end of the liquid extraction tube 401 away from the stable cover 404 penetrates into the interior of the mixing tube 403. A movable plug 414 is slidably sleeved at the inner end of the mixing tube 403. A sealing rubber ring is fixedly sleeved on the outer surface of the movable plug 414. The sealing rubber ring fits precisely with the inner wall of the mixing tube 403 to enhance the sealing performance. The liquid extraction tube 401 penetrates into the interior of the movable plug 414, so that the movable plug 414 will not rotate during the left-right movement inside the mixing tube 403. One end of the movable plug 414 close to the driving sleeve 402 is fixedly connected with a screw rod 413, and the driving sleeve 402 is threadedly sleeved on the outer surface of the screw rod 413. It should be noted that a controller is provided inside each dividing surface shell 5. The controller controls the working states of all electrical appliances inside the dividing surface shell 5. The specific working principle is a mature existing technology and will not be elaborated here. And travel switches are provided at both the left and right ends inside the mixing tube 403. Both travel switches are connected to the controller through wires to prevent the overtravel of the movable plug 414;

[0054] As Figure 11 shown, specifically, a one-way valve is provided at the center of the movable plug 414. The movable plug 414 divides the mixing tube 403 into two chambers on the left and right. Then when the movable plug 414 moves to the right, the liquid in the right chamber will flow from the one-way valve at the center of the movable plug 414 to the left chamber. More specifically, two one-way valves are also fixedly installed on the outer surface of the liquid extraction tube 401. Both one-way valves are located inside the mixing tube 403 and on the left and right sides of the movable plug 414. Two channels are provided inside the liquid extraction tube 401, which are respectively communicated with the two one-way valves. The one-way valve on the left side of the movable plug 414 can only open towards the liquid extraction tube 401, while the one-way valve on the right side opens towards the interior of the mixing tube 403, so as to realize that when the movable plug 414 moves to the left, the liquid extraction tube 401 supplies liquid towards the interior of the mixing tube 403, and the liquid in the left chamber of the movable plug 414 will flow out from another channel inside the liquid extraction tube 401.

[0055] As Figure 12 shown, a collar 302 is fixedly installed at the right end inside the mixing tube 403. A nutrient cylinder 301 is provided on the right side of the mixing tube 403, and the nutrient cylinder 301 is sleeved on the outer surface of the collar 302. A driving motor 303 is fixedly installed at the left end inside the collar 302. The outer surface of the driving motor 303 is wrapped by a waterproof sleeve. The output end of the driving motor 303 is fixedly installed with a feeding screw rod 305. A pawl is fixedly installed at the right edge of the collar 302. When the nutrient cylinder 301 is screwed onto the outer surface of the collar 302, under the action of the pawl, the nutrient cylinder 301 can be sleeved more conveniently, avoiding the installation failure of the powdery nutrient inside the nutrient cylinder 301 due to the influence of friction. Among them, the nutrient inside the nutrient cylinder 301 is a powdery substance that is easily soluble in water;

[0056] A material taking screw rod 305 is fixedly installed at the left end of a material spreading ring 304. A plurality of holes are formed in the outer surface of the material spreading ring 304, and holes are also formed in the outer surface of the left side of a collar 302. The holes in the outer surface of the material spreading ring 304 correspond to the holes in the outer surface of the left side of the collar 302. The outer surface of the material spreading ring 304 is in close fit with the inner wall of the collar 302. By rotating the material taking screw rod 305 to drive the material spreading ring 304 to rotate, the nutrient substances inside the nutrient cylinder 301 are taken out and flow out through the holes. Even if water enters the nutrient cylinder 301, the nutrient substances inside the nutrient cylinder 301 can flow out better under the action of the water flow. When the material spreading ring 304 rotates, the holes on its outer surface intersect with the holes on the outer surface of the collar 302, so as to prevent the excessive flow of nutrient substances.

[0057] The working principle of the present invention is:

[0058] During use, the left and right output ends of a double-shaft motor 103 respectively drive a drive rod 107 to rotate, and simultaneously drive a water wheel 108 to rotate, so that the nutrient solution circulates in a plurality of culture boxes 4. The flowing nutrient solution can continuously bring in oxygen to promote the growth of plants. When it is necessary to regularly detect the nutrient components in the nutrient solution, the telescopic end of a thruster 208 extends and reversely pushes a stabilizing ring 206 to move towards the right side, so that a detection probe 210 enters the inside of a buffer cover 202. Subsequently, the detection probe 210 rotates and moves by an angle under the elastic force of a return spring 209, so that the probe is exposed inside the buffer cover 202, and the flowing nutrient solution is detected;

[0059] When the nutrient components in the nutrient solution are insufficient, the output end of a drive motor 303 drives a material taking screw rod 305 to rotate, and a nutrient agent is added to the chamber on the right side of a movable plug 414. Subsequently, an electric push rod 405 is started, and its telescopic end drives a movable sleeve 411 to move towards the direction of a drive sleeve 402. At this time, a synchronous sleeve 410 is sleeved on the outer surface of a driven gear 409 fixedly connected to the drive sleeve 402, and drives the drive sleeve 402 to rotate through a transmission rod 109 along with the rotation of the water wheel 108, so that the movable plug 414 moves towards one end close to the drive sleeve 402, and the chamber on the right side of the movable plug 414 is filled with liquid;

[0060] Immediately afterwards, the electric push rod 405 drives the movable sleeve 411 to move towards one end close to the driving sleeve 402 through the telescopic end again. At this time, the output gear 408 meshes with the passive gear 409, so that when the rotation direction of the synchronous sleeve 410 is transmitted to the output gear 408 and then drives the driving sleeve 402 to rotate again, the rotation direction of the driving sleeve 402 is opposite to that of the synchronous sleeve 410, causing the movable plug 414 to move towards the end away from the driving sleeve 402 and repeating in sequence. At this time, the nutrient solution continuously circulates inside the multiple incubators 4 with the rotation of the water wheel 108, and the nutrients supplemented therein will be mixed evenly. The detection probe 210 will also continuously detect the nutrient solution inside the incubator 4 during this period until the detection probe 210 detects that the nutrient solution is qualified and then terminates.

[0061] As described above, only the preferred specific embodiment of the present invention is given, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A soilless culture constant temperature plant cabin equipment, comprising a heat preservation cabin (1), characterized in that: The heat preservation chamber (1) is provided with a device frame (3) at both the front and rear ends of the inner side. A plurality of culture boxes (4) are fixedly installed at the inner end of the device frame (3) for cultivating plants. The inner end of the culture box (4) is filled with nutrient solution. The root parts of the plants are immersed in the internal nutrient solution of the culture box (4). A dividing surface shell (5) is provided between two adjacent culture boxes (4). Two circulation pipes (102) are fixedly installed at the inner end of the dividing surface shell (5), and the outer surface of each of the circulation pipes (102) is fixedly connected to two water pipes. (101), a section of the water pipe (101) away from the circulation pipe (102) is fixedly connected to the incubator (4), and the ends of the circulation pipes (102) away from each other are both provided with outer protective pipes (201), and the outer protective pipes (201) are fixedly installed on the inner end of the dividing surface shell (5), and a feeding device is provided inside the outer protective pipe (201) for timely replenishing the nutrients in the nutrient solution in the incubator (4), and a detection device for checking the nutrient content in the nutrient solution is provided on the side where the two circulation pipes (102) are close to each other.

2. The soilless cultivation constant temperature plant cabin equipment according to claim 1, characterized in that: A lower support plate (105) is fixedly mounted on the inner bottom end of the split surface shell (5), a double-axis motor (103) is fixedly mounted on the upper end of the lower support plate (105), a driving rod (107) is fixedly mounted on both left and right ends of the double-axis motor (103), the driving rod (107) is inserted into the interior of the circulation pipe (102), a water wheel (108) is rotatably mounted on the inner end of the circulation pipe (102), and the water wheel (108) is fixedly connected to the driving rod (107).

3. The soilless culture constant temperature plant cabin equipment according to claim 2, characterized in that: The output end of the dual-axis motor (103) drives the water wheel (108) to rotate via the driving rod (107), so that the nutrient solution inside the culture box (4) is in a flowing state as the water wheel (108) rotates, so that the roots of the plants in each culture box (4) can obtain balanced nutrition.

4. The soilless culture constant temperature plant cabin equipment according to claim 1, characterized in that: The detection device comprises a stabilizing plate (203), the stabilizing plate (203) being sleeved on the outer surface of the driving rod (107), and the outer surface of the stabilizing plate (203) is in contact with the inner wall of the circulation pipe (102), and connecting covers (207) are fixedly installed at both left and right ends of the inner side of the circulation pipe (102), and a plurality of through holes are provided on the outer surface of the connecting cover (207), and a buffer cover (202) is fixedly installed at the inner end of the circulation pipe (102), and the buffer cover (202) is fixedly connected to the connecting cover (207), so that the nutrient solution can pass through the connecting cover (207) and then reach the inside of the buffer cover (202).

5. The soilless culture constant temperature plant cabin equipment according to claim 4, characterized in that: Two detection boxes (205) are arranged on the right side of the stabilizing plate (203); two through holes are provided at one end of the buffer cover (202) close to the connecting cover (207); the detection boxes (205) are respectively inserted into the two through holes; the detection boxes (205) and the stabilizing plate (203) are fixedly connected via a center plate (204); a groove is provided at the center of the outer surface of the driving rod (107); and a stabilizing ring (206) is provided between the stabilizing plate (203) and the detection box (205).

6. The soilless culture constant temperature plant cabin equipment according to claim 5, characterized in that: The stabilizing ring (206) is sleeved in the groove at the center of the driving rod (107), so that the stabilizing ring (206) can only move left and right within a limited range, and the stabilizing ring (206) is fixedly connected to the center plate (204), and a propeller (208) is fixedly installed on the upper end of the stabilizing ring (206) by bolts, and the telescopic end of the propeller (208) contacts the inner surface of the groove on the outer surface of the driving rod (107).

7. The soilless culture constant temperature plant cabin equipment according to claim 6, characterized in that: A detection probe (210) is rotatably mounted on the inner end of the detection box (205), and the detection probe (210) is connected to the inner end of the detection box (205) via a return spring (209). When the detection probe (210) enters the interior of the buffer cover (202), the detection probe (210) rotates under the action of the elastic force of the return spring (209) and extends to the interior of the buffer cover (202) to detect nutrients in the nutrient solution inside.

8. The soilless culture constant temperature plant shelter equipment according to claim 1, characterized in that: The feeding device comprises a mixing tube (403), wherein the mixing tube (403) is fixedly mounted on the inner end of the outer protective tube (201), a driving sleeve (402) is rotatably mounted on one end of the mixing tube (403) close to the circulation tube (102), a stabilizing cover (404) is fixedly mounted on the inner end of the circulation tube (102), the stabilizing cover (404) is located on a side away from the driving sleeve (402), and a transmission rod (109) is rotatably mounted on one end of the stabilizing cover (404) close to the mixing tube (403).

9. The soilless culture constant temperature plant cabin equipment according to claim 8, characterized in that: A passive gear (409) is fixedly mounted on one end of the transmission rod (109) and the drive sleeve (402) that are close to each other, and a movable sleeve (411) is provided between the transmission rod (109) and the drive sleeve (402). A synchronous sleeve (410) is rotatably mounted on the inner end of the movable sleeve (411). The synchronous sleeve (410) is sleeved on the outer surfaces of the two passive gears (409). When the synchronous sleeve (410) moves toward the transmission rod (109), the synchronous sleeve (410) no longer continues to sleeve on the outer surface of the passive gear (409) on the drive sleeve (402).

10. The soilless culture constant temperature plant cabin equipment according to claim 9, characterized in that: One end of the stabilizing cover (404) close to the mixing tube (403) is fixedly connected to a liquid extraction tube (401), and one end of the liquid extraction tube (401) away from the stabilizing cover (404) is inserted into the interior of the mixing tube (403). A movable plug (414) is slidably sleeved on the inner end of the mixing tube (403), and a screw rod (413) is fixedly connected to the left end of the movable plug (414), and the driving sleeve (402) is threadedly sleeved on the outer surface of the screw rod (413).

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