Dimming device for agricultural greenhouse planting

Abstract

The utility model discloses a dimming device for agricultural greenhouse planting, which relates to the technical field of greenhouse planting dimming and comprises a bottom plate, a lamp is fixedly mounted at the bottom end of the bottom plate, a control box is arranged above the bottom plate, and a lifting component is arranged on one side of the control box. And the lifting assembly comprises a rack, a limiting frame and a driving part, one end of the rack is fixedly connected with the bottom plate, and the driving part comprises a second gear and a locking structure. The control box is conveniently fixed by arranging the mounting hoop, the lifting assembly is arranged, the driving part drives the rack to ascend and descend, and the rack drives the bottom plate to ascend and descend synchronously, so that the height of the bottom plate is adjusted, the illumination requirements of crops in different growth periods are met, the application range is wider, and the stability of the device is higher; and the bottom plate is automatically locked after being adjusted, so that the bottom plate is prevented from falling under the action of gravity, and the safety of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a light adjusting device for agricultural greenhouse planting belongs to greenhouse planting light adjusting technical field. BACKGROUND

[0002] The crops in the greenhouse need sufficient light for photosynthesis, but in winter and rainy weather, the natural light is insufficient, and the light supplement can make up for this shortage and promote crop growth.

[0003] The prior art discloses a light adjusting device for photovoltaic agricultural greenhouse planting (publication number: CN222381584U), which comprises a frame, an installation plate is fixedly connected to the outer side of the frame, a rotating frame is installed in the inside of the installation plate through a bearing, a turnover frame is installed in the inside of the rotating frame through a bearing, a rotating mechanism is arranged on the frame, a motor is fixedly installed on the outer side of the rotating frame, a gear one is fixedly connected to the output shaft outer side of the motor, and an installation frame is fixedly connected to the outer side of the rotating frame.

[0004] The prior art is to place the solar panel vertically through the turnover frame to reduce the blockage of sunlight, so as to realize the purpose of sunlight irradiation, but in winter and rainy weather, the natural light is insufficient, and it is necessary to install a light supplement lamp in the greenhouse to provide sufficient light for plants to carry out photosynthesis and shorten the growth cycle. At present, the light supplement lamps existing in the market are mostly installed on the shed frame, which can indeed provide necessary light for plants. However, the height of plants will change in different growth stages, and the demand for light amount is also different. These light supplement lamps do not fully consider this point in design, so they cannot conveniently adjust the distance between them and plants according to the actual growth conditions of plants.

[0005] Therefore, the skilled in the art proposes a light adjusting device for agricultural greenhouse planting. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at the deficiencies of the prior art, and provides a light adjusting device for agricultural greenhouse planting.

[0007] The utility model discloses a light adjusting device for agricultural greenhouse planting, which realizes the above-mentioned purposes through the following technical solutions, comprising a bottom plate, a lamp for lighting is fixedly installed at the bottom end of the bottom plate, the lamp is in a prism platform type, and a plurality of sides of the lamp are provided with lamp groups, a control box for lighting control of the lamp is arranged above the bottom plate, a fixing hoop is arranged on one side of the control box, and a lifting assembly for height adjustment of the bottom plate is arranged on the other side of the control box.

[0008] Preferably, a power adapter, a circuit board and a ballast are arranged in the control box cavity, the circuit board is integrated with a driving chip, a resistor and a capacitor to realize circuit connection and control function, a tension spring is fixedly connected between the outer wall surface of the control box and the top end of the bottom plate, and a power supply line is arranged between the power adapter and the lamp group.

[0009] Preferably, a through cavity is formed between the top end and the bottom end wall surface of the limiting frame, the rack is movably penetrated through the limiting frame through the through cavity, the through cavity is in a "convex" shape, a rectangular groove is formed on the side of the control box close to the limiting frame, the limiting frame and the control box are fixedly connected, and the rectangular groove and the through cavity of the limiting frame are in communication.

[0010] Preferably, a limiting post is fixedly installed on the side of the limiting frame away from the control box, a top plate is fixedly installed at the top end of the rack, a guide rod is fixedly connected between the top plate and the bottom plate, the guide rod movably penetrates through the limiting post, and the guide rod and the rack are in a mutually parallel state.

[0011] Preferably, the driving part is arranged in the cavity of the control box, a second rotating shaft is movably installed in the rectangular groove cavity, and the second rotating shaft fixedly penetrates through the second gear.

[0012] Preferably, the driving part further comprises a first rotating shaft and a main shaft, the first rotating shaft is movably installed in the cavity of the control box, the first rotating shaft and the second rotating shaft are in a mutually parallel state, the main shaft is movably installed in the cavity of the control box, and the main shaft and the first rotating shaft are in a mutually perpendicular state.

[0013] Preferably, the first rotating shaft fixedly penetrates through the first gear and the worm wheel, the main shaft fixedly penetrates through the worm, the worm and the worm wheel are movably engaged, a servo motor is fixedly installed at the top end of the outer wall surface of the control box, and the output shaft of the servo motor movably penetrates through the control box and is fixedly connected with one end of the main shaft.

[0014] The beneficial effects of this utility model are as follows: This dimming device for agricultural greenhouse planting, by fixing lamps at the bottom of the base plate, the lamps are truncated pyramidal in shape and have lamp groups installed on multiple sides, thus providing illumination in multiple directions below. The control box is easily fixed by the mounting clamps. A lifting component is included, and the rack is driven by a drive unit to lift and lower, which in turn drives the base plate to lift and lower synchronously, thereby adjusting the height of the base plate to meet the light requirements of crops at different growth stages. It has a wide range of applications and is highly stable. A locking structure is included to automatically lock the base plate after adjustment, ensuring that the base plate will not fall due to gravity, thus improving the safety of the device. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a light-adjusting device for agricultural greenhouse planting according to the present invention;

[0016] Figure 2 This is a bottom view schematic diagram of a light-adjusting device for agricultural greenhouse planting according to the present invention;

[0017] Figure 3 This is a schematic diagram showing the connection between the base plate and the control box of a light-adjusting device for agricultural greenhouse planting according to this utility model.

[0018] Figure 4 This is a three-dimensional structural diagram of the control box and limiting frame of a light-adjusting device for agricultural greenhouse planting according to this utility model;

[0019] Figure 5 This is a three-dimensional structural diagram of the drive unit of a light-adjusting device for agricultural greenhouse planting according to the present invention.

[0020] In the picture:

[0021] 10. Base plate; 11. Lighting fixture; 12. Control box; 13. Mounting clamp; 14. Limiting post; 15. Guide rod; 16. Rack; 17. Top plate; 18. Power supply line; 19. Tension spring; 20. Limiting frame; 21. Rectangular groove; 22. Servo motor; 23. First gear; 24. Second gear; 25. First rotating shaft; 26. Second rotating shaft; 27. Main shaft; 28. Worm gear; 29. ​​Worm wheel. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-5 As shown, a dimming device for agricultural greenhouse planting includes a base plate 10. A lamp 11 for lighting is fixedly installed at the bottom end of the base plate 10. The lamp 11 is frustum-shaped, and lamp groups are installed on multiple sides of the lamp 11. A control box 12 for lighting control of the lamp 11 is provided above the base plate 10. A mounting hoop 13 for fixing is provided on one side of the control box 12. A lifting assembly for adjusting the height of the base plate 10 is provided on one side of the control box 12. The lifting assembly includes a rack 16, a limiting frame 20, and a driving part. One end of the rack 16 is fixedly connected to the base plate 10. The driving part includes a second gear 24 and a locking structure. The second gear 24 is movably meshed with the rack 16. The locking structure includes a worm gear 29, a worm 28, and a first gear 23. The locking structure is used to lock the second gear 24.

[0024] Specifically, since there is much less sunlight in winter than in summer, in order to ensure the sunlight needed for crop growth and shorten the growth cycle, a base plate 10, lamps 11, and a control box 12 are set up to supplement the light for crops in the agricultural greenhouse. The lamps 11 are truncated pyramidal in shape, and multiple lamp groups are installed on multiple sides of the lamps 11 to provide light to the crops below. Since the height of crops varies at different growth stages and the amount of light required varies, the distance between the lamps and the plants can be adjusted according to the growth status of the plants. The adjustment is convenient and the operation is simple.

[0025] The control box 12 contains a power adapter, a circuit board, and a ballast. The circuit board integrates a driver chip, resistors, and capacitors to realize circuit connection and control functions. A tension spring 19 is fixedly connected between the outer wall of the control box 12 and the top of the base plate 10. A power supply line 18 is provided between the power adapter and the lamp group.

[0026] Specifically, the control box 12 is equipped with a power adapter, circuit board, and ballast. The circuit board integrates a driver chip, resistors, and capacitors to realize circuit connection and control functions. A tension spring 19 is fixedly connected between the outer wall of the control box 12 and the top of the base plate 10. A power supply line 18 is provided between the power adapter and the lamp group. When working, the tension spring 19 simulates the solar spectrum to meet the photosynthetic needs of plants.

[0027] A through cavity is formed between the top and bottom walls of the limiting frame 20. The rack 16 moves through the limiting frame 20 through the cavity, which is convex in shape. A rectangular groove 2 is formed on the side of the control box 12 near the limiting frame 20. The limiting frame 20 and the control box 12 are fixedly connected. The rectangular groove 21 communicates with the cavity of the limiting frame 20. A limiting post 1 is fixedly installed on the side of the limiting frame 20 away from the control box 12. A top plate 17 is fixedly installed on the top of the rack 16. A guide rod 15 is fixedly connected between the top plate 17 and the bottom plate 10. The guide rod 15 moves through the limiting post 14. The guide rod 15 and the rack 16 are parallel to each other.

[0028] Specifically, a cavity is opened between the top and bottom walls of the limiting frame 20, and the rack 16 moves through the limiting frame 20. A limiting post 1 is fixedly installed on one side of the limiting frame 20, and a guide rod 15 moves through the limiting post 1. The guide rod 15 and the rack 16 are installed together on the top plate 17, thereby setting the guide rod 15 to limit and guide the movement of the rack 16.

[0029] The drive unit is located inside the control box 12. A second rotating shaft 26 is movably mounted inside the rectangular slot 21, and the second rotating shaft 26 is fixedly connected to the second gear 24. The drive unit also includes a first rotating shaft 25 and a main shaft 2. The first rotating shaft 25 is movably mounted inside the control box 12, and the first rotating shaft 25 and the second rotating shaft 26 are parallel to each other. The main shaft 27 is movably mounted inside the control box 12, and the main shaft 27 is perpendicular to the first rotating shaft 25. The first rotating shaft 25 is fixedly connected to the first gear 23 and the worm gear 2, and the main shaft 27 is fixedly connected to the worm 2. The worm 28 and the worm gear 29 are movably meshed. A servo motor 2 is fixedly mounted on the top of the outer wall of the control box 12. The output shaft of the servo motor 22 movably passes through the control box 12 and is fixedly connected to one end of the main shaft 27.

[0030] Specifically, a second rotating shaft 26 is movably installed in the rectangular slot 21 cavity, and a second gear 24 is fixedly installed on the second rotating shaft 26. A first rotating shaft 25 is movably installed in the control box 12 cavity, and the first rotating shaft 25 is fixedly inserted through the first gear 23 and the worm gear 2. When the servo motor 22 is working, it drives the main shaft 27 to rotate. The main shaft 27 is fixedly inserted through the worm 2, and the worm 28 is movably meshed with the worm gear 29. Thus, the first gear 23 drives the second gear 24 to rotate, and the second gear 24 is movably meshed with the rack 16, thereby realizing the adjustment of the height of the base plate 10. By setting the worm 28 and the worm gear 29, the device has a self-locking function, and the device has higher stability.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A light adjusting device for agricultural greenhouse planting, comprising a bottom plate (10), characterized in that: The bottom end of the bottom plate (10) is fixedly provided with a lamp (11) for lighting, the lamp (11) is in a prism type, and lamp groups are arranged on the plurality of sides of the lamp (11); an upper portion of the bottom plate (10) is provided with a control box (12) for controlling the lighting of the lamp (11); one side of the control box (12) is provided with a fixing clamp (13); and one side of the control box (12) is provided with a lifting assembly for adjusting the height of the bottom plate (10). The lifting assembly comprises a rack (16), a limiting frame (20) and a driving part; one end of the rack (16) is fixedly connected with the bottom plate (10); the driving part comprises a second gear (24) and a locking structure; the second gear (24) is movably engaged with the rack (16); and the locking structure comprises a worm wheel (29), a worm (28) and a first gear (23), and is used for locking the second gear (24).

2. The light adjusting device for agricultural greenhouse planting according to claim 1, characterized in that: The control box (12) is provided with a power adapter, a circuit board and a ballast in a cavity; the circuit board is integrated with a driving chip, a resistor and a capacitor to realize circuit connection and control functions; a tension spring (19) is fixedly connected between an outer wall surface of the control box (12) and a top end of the bottom plate (10); and a power supply wire (18) is arranged between the power adapter and the lamp groups.

3. The light adjusting device for agricultural greenhouse planting according to claim 1, characterized in that: A through cavity is formed between a top end and a bottom end wall surface of the limiting frame (20); the rack (16) movably penetrates the limiting frame (20) through the through cavity; the through cavity is in a "convex" shape; a rectangular groove (21) is formed in a side of the control box (12) close to the limiting frame (20); the limiting frame (20) is fixedly connected with the control box (12); and the rectangular groove (21) is in communication with the through cavity of the limiting frame (20).

4. The light adjusting device for agricultural greenhouse planting according to claim 1, characterized in that: A limiting post (14) is fixedly arranged on a side of the limiting frame (20) away from the control box (12); a top end of the rack (16) is fixedly provided with a top plate (17); a guide rod (15) is fixedly connected between the top plate (17) and the bottom plate (10); the guide rod (15) movably penetrates the limiting post (14); and the guide rod (15) and the rack (16) are in a parallel state. 5.The light adjusting device for agricultural greenhouse planting of claim 3, wherein: The driving part is arranged in the cavity of the control box (12); a second rotating shaft (26) is movably arranged in the cavity of the rectangular groove (21); and the second rotating shaft (26) fixedly penetrates the second gear (24). 6.The light adjusting device for agricultural greenhouse planting of claim 5, wherein: The driving part further comprises a first rotating shaft (25) and a main shaft (27); the first rotating shaft (25) is movably arranged in the cavity of the control box (12); the first rotating shaft (25) and the second rotating shaft (26) are in a parallel state; and the main shaft (27) is movably arranged in the cavity of the control box (12); the main shaft (27) and the first rotating shaft (25) are in a perpendicular state. 7.The light adjusting device for agricultural greenhouse planting of claim 6, wherein: The first rotation axis (25) is fixed through the first gear (23) and the worm wheel (29), the main shaft (27) is fixed through the worm (28), the worm (28) is movably engaged with the worm wheel (29), the outer wall surface top end of the control box (12) is fixedly installed with the servo motor (22), the output shaft of the servo motor (22) is movably penetrated through the control box (12) and is fixedly connected with one end of the main shaft (27).

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