192 results about "Polytunnel" patented technology

The invention discloses a multi-input multi-output fuzzy neural network control method and system for a pseudo-ginseng planting greenhouse, and the method comprises the steps: obtaining original parameters including greenhouse temperature, humidity, illumination, water and fertilizer concentration, pseudo-ginseng growth state and water flow velocity, and carrying out the standardization of the original parameters, and obtaining input parameters; inputting the parameter into a three-layer back propagation neural network pre-training model, and outputting initial adjustment coefficients of six control quantities such as the opening degree of the sunshade; constructing a fuzzy rule base based on a parameter coupling scene, inputting a preliminary adjustment coefficient to obtain a fuzzy output quantity, and performing defuzzification through a gravity center method to obtain a corrected adjustment coefficient; a control instruction is calculated in combination with an equipment rated range, and closed-loop control is realized through dynamic adjustment. The system automatically operates through a multi-parameter acquisition module, an equipment control output module and the like. The application breaks through the traditional single-input single-output limitation, reduces the parameter fluctuation by more than 50%, adapts to the whole growth cycle of pseudo-ginseng, improves the utilization rate and yield of water and fertilizer, reduces the labor cost, and has remarkable economic benefits.

The utility model relates to the technical field of agricultural greenhouses, in particular to a sunshade device for planting between greenhouses, which is characterized in that firstly, a sunshade net is erected between two adjacent greenhouses through a support component, so that the sunshade requirement inside the greenhouses is met, the sunshade of planting areas between the greenhouses is also considered, and the occupied space in front of the greenhouses is also reduced; secondly, an illumination and temperature control assembly is arranged on the greenhouse to adjust the sunshade degree of the sunshade net; in this way, the occupied space in front of the greenhouse is reduced, the land utilization rate is increased, meanwhile, the sunshade requirements of the greenhouse and the planting area between the greenhouses are met, the sunshade degree can be adjusted according to the actual illumination and temperature conditions, and optimization of the crop growth environment is guaranteed.

The invention discloses a condensation brine desalination system for a greenhouse. The condensation brine desalination system comprises a condensation system, a heat storage system, a heat supply system, a power supply system, a water supplementing system and the greenhouse. When the system works, the compound paraboloid condenser gathers sunlight, then the sunlight is transmitted in a wave band mode through the frequency division glass, low-wave-band light drives photovoltaic power generation, and high-wave-band light is used for saline water interface evaporation; water vapor generated in the salt water desalination process is condensed by the condensing device to generate fresh water, and then the fresh water is introduced into the greenhouse, so that proper humidity and temperature in the greenhouse can be maintained while the fresh water required by irrigation is obtained; the condensation device recovers condensation heat, the condensation heat is stored through the heat storage system, and heat is supplied to the greenhouse through the buried pipe when the temperature is low at night. When sunlight is insufficient, the storage battery supplies power to the LED lamp in a light supplementing mode, and photosynthesis of plants is guaranteed. The system is suitable for regions lacking fresh water resources but sufficient in saline water and brackish water, and has the characteristics of self-sufficiency, high scale adaptability, low energy consumption and the like.

The utility model discloses a short-span strut-free greenhouse, relates to the technical field of greenhouses, and aims to solve the problems that a front slope single-layer greenhouse is poor in heat preservation capacity and the front slope double-layer greenhouse is poor in bearing strength. Comprising a horizontal framework, an outer greenhouse framework and an inner greenhouse framework, and the outer greenhouse framework is of an arched structure with one side inclining to form an arc. The rear wall heat preservation plate is installed on the greenhouse framework, the quilt rolling device support is installed on the greenhouse framework, and the foot margin cotton quilt is installed on a front slope of the greenhouse framework. The outer greenhouse framework is supported through the inner greenhouse framework, a central supporting column does not need to be arranged, the laying positions of inner and outer greenhouse films and cotton quilts can be reserved, and the space use efficiency in the greenhouse and the illumination condition for crop growth are improved. The overall bearing capacity of the greenhouse framework is guaranteed, and the risk that the greenhouse framework is damaged by overlarge snow load is avoided.

The utility model belongs to the technical field of greenhouse building structures, and particularly relates to a greenhouse wind-resistant building steel structure which comprises a greenhouse foundation, a main steel frame column is installed at the upper end of the greenhouse foundation through bolts, a main steel frame beam is installed on the back face of the main steel frame column through bolts, and an end wall purline is welded to the front face of the main steel frame column. A wind-resistant stand column is installed at the upper end of the greenhouse foundation through a bolt, and the wind-resistant stand column is connected with an end wall purline in a welded mode or in a bolted mode. According to the scheme, through cooperative use of the wind-resistant stand columns, the horizontal pressure beams, the inclined horizontal pull rods and other structures, the stability of the whole structure is enhanced, the wind-resistant capacity of the multi-span greenhouse end wall is effectively improved, safe use of the greenhouse under the severe weather condition is guaranteed, sunlight shielding is reduced through the small end wall purline section, and the service life of the greenhouse is prolonged. The lighting amount of the greenhouse is increased, more sufficient lighting conditions are provided for growth of crops in the greenhouse, and the yield and quality of the crops are improved.

The utility model relates to the technical field of greenhouses, in particular to an adjustable solar greenhouse which is characterized in that a first connecting rod is hinged to the side wall of a light-transmitting baffle, one end of the first connecting rod is connected with a rotating frame through an independent limiting mechanism, and movable blocks are movably arranged in movable grooves formed in the inner bottom walls of a plurality of windows respectively; first threaded rods are rotationally connected into the left side wall and the right side wall of the greenhouse body through bearings correspondingly, the double-shaft motor is fixedly arranged on the inner wall of the rear side of the greenhouse body, and connecting strips are fixedly arranged at the positions, located on the left side and the right side of the double-shaft motor, of the inner wall of the rear side of the greenhouse body correspondingly. A driving rod connected with an output shaft of the double-shaft motor is rotationally arranged in the connecting strip in a penetrating mode through a bearing, and the second solar panel is arranged on the left side of the upper portion of the greenhouse body through a turnover mechanism, so that the solar panel located on the shaded face can be turned over to the sunny face, and full utilization of solar energy is achieved; and opening and closing of a plurality of ventilation windows can be synchronously realized, so that the ventilation process of the greenhouse is more convenient.

The invention provides a running mechanism for an inspection robot in a greenhouse. The running mechanism comprises a sliding rail and the inspection robot. The sliding rail comprises a longitudinal hanger rail and a plurality of transverse hanger rails. The longitudinal hanger rail is arranged in the length direction of the greenhouse and provided with a plurality of longitudinal partition spaces at intervals. The transverse hanging rails are arranged in the width direction of the greenhouse and provided with transverse partition spaces corresponding to the longitudinal partition spaces, and the longitudinal partition spaces and the transverse partition spaces correspond to each other to form reversing spaces. The inspection robot comprises a walking mechanism and a plurality of reversing units. Each reversing unit is located in the corresponding reversing space and connected with the corresponding steering sliding rail. After the walking mechanism provided with the inspection module travels to the steering sliding rail, the steering unit controls the steering sliding rail to rotate so as to change the walking path of the walking mechanism. According to the running mechanism for the inspection robot in the greenhouse, all-region inspection can be completed without manual transfer, and the inspection flexibility is improved.

The utility model discloses an assembly type installation framework for a greenhouse, which belongs to the technical field of greenhouses and comprises a framework body, and two first supporting legs are fixedly connected to the bottom side of the framework body. According to the assembly type installation framework for the greenhouse, when the height of the assembly type framework is adjusted, an operator rotates a rotating handle to drive a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a threaded rod to rotate, the threaded rod moves upwards in a second supporting leg, and the threaded rod pushes a limiting block and a connecting plate to move upwards; the connecting plate pushes the first supporting leg to move upwards until the assembly type framework is adjusted to a proper height, and the operator rotates the locking screw until the locking screw is tightly attached to the outer side of the first supporting leg, so that the operator can conveniently adjust the height of the assembly type framework, and the situation that the assembly type framework is not damaged due to the height problem in different environments is prevented. Therefore, the universality and the practical stability of the assembly type framework are improved.

The utility model discloses a greenhouse supplementary lighting deinsectization lamp, including lamp shade and exhaust fan, lamp shade top is provided with heat dissipation module, lamp shade is electrically connected with power connection terminal, power connection terminal and exhaust fan are both electrically connected with electric control box, the electric control box is electrically connected with wireless communication module, the wireless communication module is electrically connected with the wireless communication module, the wireless communication module is electrically connected with the wireless communication module, and the wireless communication module is electrically connected with the wireless communication module. An exhaust fan is arranged in the lampshade, the exhaust fan is connected with an air inlet pipe, the tail end of the air inlet pipe is arranged on the lateral lower portion of the lampshade, and the exhaust fan is connected with an insect catching bag through an exhaust pipe. The pollution-free treatment device has the advantages of being free of pollution, efficient, energy-saving, convenient and fast to use.

The utility model relates to a photovoltaic photo-thermal greenhouse and plant growth cycle control system, which comprises a greenhouse and a temperature control system, an angle-adjustable photovoltaic photo-thermal plate is arranged above the greenhouse, a hollow wall body additionally provided with a phase change material is arranged inside the greenhouse, a sliding rail is arranged on the outer side of the greenhouse, the greenhouse is divided into a north greenhouse and a south greenhouse by the wall body, and the temperature control system is connected with the temperature control system. A first fan, a first baffle, a second baffle and a third baffle are arranged at the upper end of the wall body, a second fan, a fourth baffle, a fifth baffle and a sixth baffle are arranged at the lower end of the wall body, the first fan is located among the first baffle, the second baffle and the third baffle, and the second fan is located among the fourth baffle, the fifth baffle and the sixth baffle; a seventh baffle is arranged at the top end of the side, close to the south shed, of the wall. Glass is arranged at the middle end of the side, close to the south shed, of the wall body, the glass and the wall body form a TLambert wall, an upper ventilation opening is formed in the upper end of the TLambert wall, and a lower ventilation opening is formed in the lower end.

The utility model relates to a greenhouse with a snow removal function, which is characterized in that the face of the greenhouse comprises a plurality of independent areas, and the independent areas are transversely separated and extend to the ground; and the face of the independent area has a heating function. The surface of the greenhouse is divided into a plurality of separated independent areas, the heating effect of the face of the greenhouse is integrated, the portion, making contact with the face of the greenhouse, of accumulated snow can be melted, finally, the accumulated snow in each independent area can automatically slide down under the action of gravity, and the automatic cleaning effect is achieved; compared with the prior art, excessive structures are not added, the automatic cleaning function is achieved through shape improvement, and therefore the automatic cleaning device has the advantage of being simple in structure.

The utility model discloses a greenhouse sun-shading device capable of adjusting illumination intensity. The greenhouse sun-shading device comprises a mounting frame and a sliding piece, wherein the mounting frame is detachably mounted on a greenhouse; the pulling part is arranged on the mounting frame, the pulling part comprises two side plates detachably connected to the mounting frame, a rotating shaft column is rotationally connected between every two adjacent side plates, and torsion springs are wound around the two ends of each rotating shaft column; and a part of the shielding curtain is wound on the drawing piece. The torsion spring for pulling the rotating shaft column and the shielding curtain to be retracted is arranged on the mounting frame, the sliding piece is connected with the end of the shielding curtain during use, the shielding curtain is driven to move on the mounting frame to shield sunlight so as to adjust the illumination angle, the weight of the top of the greenhouse is reduced through the design of the shielding curtain and the retracting piece, and the greenhouse is convenient to use. And meanwhile, the shielding curtain is of a flexible design, so that different pieces of shielding cloth can be selected for different crops while the shielding curtain is convenient to replace, and the applicability of the whole greenhouse is improved.

1. The name of the design product: food barrel (poly treasure barrel). 2. The use of the design product: the design product is used to store food and other items. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to the technical field of greenhouses, and discloses a double-layer assembly type movable covering greenhouse which comprises a plurality of greenhouse frames distributed from front to back, butt joint pipes are in threaded connection with the left and right ends of the front surface of each greenhouse frame, and butt joint rods are in threaded connection with the left and right ends of the rear surface of each greenhouse frame; positioning mechanisms are arranged on the surfaces of the left side and the right side of the inner side of the greenhouse frame; a plurality of greenhouse frames are longitudinally arranged, the distance between the adjacent frames is controlled by adjusting the insertion depth of the butt joint rods in the butt joint pipes, rapid and accurate alignment connection and distance stepless adjustment of the greenhouse frames are achieved, the assembling process is remarkably simplified, and the building efficiency is improved; a positioning mechanism is operated to press down a rack to drive a positioning plate to descend so that an insertion rod can be inserted into a soil layer to fix the greenhouse frame, then a second screw is screwed in to push a second face gear to press a first face gear, a dual mechanical locking fixing mode is provided, and the stability of the whole greenhouse frame in soil is ensured.

The application discloses a temperature and humidity adjusting material and a preparation method and application thereof. The preparation method of the temperature and humidity adjusting material comprises the following steps: (1) uniformly mixing inorganic hydrated salt phase change material, a nucleating agent and water, stirring under the condition of 40-55 DEG C for 10-20 min, then adding porous material, and continuously stirring for 60-120 min to obtain a composite phase change material; (2) cooling the composite phase change material to room temperature, and then pressing the composite phase change material into a phase change plate material; (3) using inorganic mineral material as a humidity adjusting material, and respectively pressing the humidity adjusting material into a first humidity adjusting plate material and a second humidity adjusting plate material; and (4) sequentially assembling the first humidity adjusting plate material, the phase change plate material and the second humidity adjusting plate material by using a building structure adhesive, and coating the first humidity adjusting plate material, the phase change plate material and the second humidity adjusting plate material with an aluminum foil to obtain a temperature and humidity adjusting plate material. The material prepared by the application has good temperature adjusting performance and humidity controlling performance, and the heat storage performance changes little under high humidity, and is suitable for being used in a greenhouse shed with high air relative humidity.

The invention belongs to the technical field of agricultural greenhouses, and particularly relates to an intelligent greenhouse which comprises an outer cover body, greenhouse glass, sunshade cloth, a cleaning assembly and a transmission assembly, the transmission assembly is additionally arranged at the upper end of the interior of the outer cover body, and meanwhile the transmission assembly drives the cleaning assembly to regularly move in the intelligent greenhouse; the greenhouse glass can effectively prevent the pests from flying into the greenhouse and does not influence the illumination of the sun on the plants, and the sunshade cloth can shield part of light rays of the illumination, so that the purpose of cooling the interior of the intelligent greenhouse is achieved; the plants can grow more stably, and the situation that the plants wither and die due to direct sunlight is avoided.

1. The name of the design product: greenhouse temperature controller. 2. The use of the design product: used as temperature sensing control tool for the operation of temperature control and heating equipment in greenhouse. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses an assembled heat storage block wall body, two ends of two protection assemblies are respectively provided with a wall column body, each protection assembly comprises a plurality of vertical supporting columns, one side of each vertical supporting column is jointly fixed with a steel wire mesh, the outer side of each steel wire mesh is fixed with a plurality of transverse supporting columns fixedly connected with the wall column bodies, and the transverse supporting columns are fixedly connected with the wall column bodies. And the steel wire mesh is limited and supported through the vertical supporting columns and the transverse supporting columns, the mounting and using stability of the steel wire mesh is improved, the wall contour can be rapidly built, and the wall construction period is shortened. The space between the protection assemblies is filled with the heat storage blocks in a disordered mode, the heat storage blocks are matched with the heat supply pipes, the hottest temperature of the ridge height position of the greenhouse can be transmitted into the heat storage blocks through the heat exchange system, the heat storage blocks are heated, the energy storage effect of the wall is achieved, and after the temperature drops at night, the heat storage blocks release heat stored in the heat storage blocks, so that the heat storage effect is improved. The stability of day and night temperature in the greenhouse can be ensured, the influence of temperature shock on the growth of crops in the greenhouse is avoided, and the heating cost in the greenhouse can be reduced.

The utility model relates to the technical field of intelligent greenhouses, and discloses an agricultural intelligent greenhouse which comprises a greenhouse body, water storage tanks are fixedly connected to the two sides of the greenhouse body, first filter plates are connected to the interiors of the two water storage tanks, the two ends of the two water storage tanks are fixedly connected and communicated with drainage faucets, and the drainage faucets are communicated with the drainage faucets. And the same ends of the two water storage tanks are connected with impurity removal assemblies. According to the agricultural intelligent greenhouse, the water storage tanks are installed on the two sides of the greenhouse, rainwater falling on the greenhouse in rainy days can flow along the two sides of the greenhouse box and be accumulated in the water storage tanks to be used for greenhouse irrigation, and the rainwater collection efficiency of the intelligent agricultural greenhouse is improved.

The invention relates to the technical field of greenhouses, in particular to a thermal circulation ventilation wall body for a seedling greenhouse, which comprises a plurality of ventilation wall body modules, the plurality of ventilation wall body modules are spliced to form the thermal circulation ventilation wall body of the seedling greenhouse, and the outer side of each ventilation wall body module is fixedly provided with an outer layer protection plate through bolts; a light reflecting groove is formed in the side, close to the outer layer protection plate, of the interior of the ventilation wall body module, and a plurality of light reflecting strips are rotationally arranged in the light reflecting groove. Through organic combination of light condensation, heat storage and cooling and heating bidirectional regulation and control, a light condensation heat storage mode or a light-shielding cooling mode can be flexibly switched according to seasonal changes, and dynamic balance of the temperature in the greenhouse can be achieved without depending on additional heating and cooling equipment; through the optimal design of the heat storage structure and the heat exchange assembly, the heat exchange efficiency is improved, the problem of overlarge temperature fluctuation is effectively avoided, meanwhile, efficient utilization of clean energy such as solar energy is achieved, energy consumption is reduced, and the sustainable development concept is met.

The invention belongs to the technical field of aquaculture, particularly relates to a method for heating an aquaculture pond by utilizing self-stored heat of a double-layer greenhouse, and aims to solve the problems that an existing greenhouse for aquaculture is low in heat collection and storage function and needs to spend a large amount of energy for heating in low-temperature seasons, so that not only is the culture cost increased, but also certain pressure is caused to energy supply, and the energy consumption is low. Moreover, a traditional heating mode is often not high in efficiency and relatively serious in heat loss, energy cannot be fully utilized to effectively increase the water temperature, the requirement of an aquaculture pond for stable and appropriate water temperature in a low-temperature season is difficult to meet, and then the growth speed and quality of aquatic products are affected. Solar energy is absorbed by the double-layer greenhouse interlayer, then the solar energy is stored into heat energy, the heat energy heats water in the heat exchange box, hot water can be discharged into the culture pond and heat the culture pond, cold water in the culture pond is injected into the heat exchange box through the circulating pump to be heated, and circulation is repeated.

The utility model discloses a long-span strut-free greenhouse, which relates to the technical field of greenhouses, aims to solve the problem of insufficient bearing capacity of the greenhouse due to the fact that upright posts cannot be arranged on a front slope double-layer greenhouse, and comprises a greenhouse framework mounted on a foundation and an insulation board mounted on the greenhouse framework. The greenhouse framework is formed by assembling a vertical framework and a horizontal framework through connecting pieces, and the vertical framework comprises an outer greenhouse framework, an inner greenhouse framework and a flower beam used for increasing the bearing capacity. Through the double-layer design of the front slope, after the greenhouse film is laid, greenhouse temperature loss can be reduced, the heat preservation performance of the greenhouse is guaranteed, the outer greenhouse framework is supported through the inner greenhouse framework, a center supporting column does not need to be arranged, and the laying positions of the inner greenhouse film, the outer greenhouse film and cotton quilts can be reserved; and the space use efficiency in the greenhouse and the illumination condition for crop growth are improved.

A kind of light greenhouse, it is related to greenhouse technical field, including hardening ground, the top of hardening ground is horizontally arranged and is provided with several fixed outer skeletons, the directly below of outer skeleton is provided with inner skeleton, inner skeleton is fixedly connected to hardening ground, the outer surface of outer skeleton is paved with covering film, outer skeleton and inner skeleton are all U-shaped structure, the position between the arc structure of adjacent two outer skeletons is provided with several sliding support, the position between the vertical structure of adjacent two outer skeletons is provided with several fixed support plate, the opposite end of fixed support plate is fixedly connected with its adjacent two outer skeletons, the position between the vertical structure of outer skeleton and inner skeleton is provided with several fixed reinforcing bars, the two ends of fixed reinforcing bar are fixedly connected with outer skeleton and inner skeleton, the top of hardening ground is provided with drive assembly.The present application solves the problem of the large amount of use of existing greenhouse steel structure support;The problem of low versatility of supporting facilities.

The utility model provides a greenhouse structure with adjustable illumination, which relates to the technical field of greenhouses and comprises two outer frames and a greenhouse body, the number of the outer frames is two, the two outer frames are symmetrically arranged on the outer surface of the greenhouse body, and a threaded rod is rotatably connected between the inner surfaces of the two outer frames. According to the greenhouse illumination adjusting device, when illumination of the greenhouse is adjusted, the outer frames are symmetrically arranged on the outer side of the greenhouse body, the multiple shading assemblies are arranged between the outer frames at equal intervals, and when the motor drives the threaded rods to rotate in the forward direction and the reverse direction, the threaded rods provided with the multiple sets of bidirectional threads can be used in cooperation with the multiple sets of shading assemblies; the shading covers are unfolded and folded to shade or illuminate plants planted in the greenhouse body, growth of the plants planted in the greenhouse body is facilitated, the effect of convenient adjustment is achieved, people do not need to manually lay or remove shading cloth on the outer side of the greenhouse, and the working intensity of the people is greatly reduced.

The utility model relates to the field of agricultural planting, in particular to an intelligent agricultural greenhouse. According to the intelligent agricultural greenhouse, photosynthesis can be carried out on crops in rainy days, meanwhile, the rolling shed is rotated to shield the ventilation net for shielding rain, ventilation is carried out through the ventilation net in sunny days, the crops are prevented from decaying, the survival rate of the crops is increased, and the ventilation effect is improved. An intelligent agricultural greenhouse comprises a connecting frame, supporting frames and the like, the number of the supporting frames is two, and the connecting frame is connected between the supporting frames. The ventilation net is used for ventilation, when it rains, the rolling shed is put down to shield the ventilation net, and meanwhile the LED plant growth lamp and the carbon dioxide generator are used in cooperation for photosynthesis; therefore, photosynthesis can be carried out on crops in rainy days, meanwhile, the rolling shed is rotated to shield the breathable net for shielding rain, ventilation is carried out through the breathable net in sunny days, the crops are prevented from rotting, and the survival rate and ventilation effect of the crops are improved.

The utility model discloses a movable knocking snow removing device which comprises a sliding rail, a movable platform, two supports, a knocking device and an angle adjusting pull rod. The movable platform is arranged on the sliding rail and can freely slide relative to the sliding rail. The two supports are fixedly installed on the movable platform. The knocking device is arranged between the two supports, and the angle adjusting pull rod is used for adjusting the angle of the knocking device. Wherein the sliding rail is longitudinally arranged along the greenhouse; shock waves formed by explosives in the knocker at the burning and explosion moment act on the greenhouse film, and the knocker can rotate relative to the support. The angle adjusting pull rod is arranged behind the knocker, one end of the angle adjusting pull rod is movably connected with the movable platform, and the other end of the angle adjusting pull rod is movably connected with the knocker. When snow on a local position needs to be removed, the knocker is moved to a designated position, the angle of the knocker is adjusted so that the knocker can be aligned with the accumulated snow part on the shed roof, then the knocker is ignited, shock waves formed by the knocker at the burning and explosion moment act on the shed film, accumulated snow on the shed film is vibrated off, the snow removing purpose is achieved, and the snow removing device has the advantages of being good in snow removing effect, low in cost and convenient to use. And the service life of the greenhouse framework is not influenced.

The invention relates to the technical field of agricultural facilities, and particularly discloses an intelligent greenhouse system integrating photovoltaic and direct air carbon capture functions, which comprises a greenhouse main body and a solar power generation system, the solar power generation system is provided with a plurality of solar cell panels; the multiple solar cell panels are fixedly laid on the top of the greenhouse body, and at least parts of the back faces of the solar cell panels are connected with the interior of the greenhouse body. CO2 released by respiration of crops in the greenhouse can be adsorbed by the PEI / MCM-41 coating at night or under the condition without illumination, and the released adsorption heat can preserve heat of the greenhouse; in the daytime, heat energy generated during power generation of the solar cell panel can be used for heating the saturated coating, high-concentration CO2 is desorbed and released into the greenhouse for plant photosynthesis, meanwhile, the average temperature of the photovoltaic cell can be reduced, and the power generation efficiency and durability of the photovoltaic cell can be improved.

The utility model belongs to the technical field of greenhouses, and particularly relates to a greenhouse gutter structure which comprises a U-shaped lower shell, gutter top bent plates symmetrically arranged on the upper portion of the inner side of the U-shaped lower shell, a gutter top horizontal plate connected between the gutter top bent plates and a gutter inner cavity defined by the gutter top bent plates, the gutter top horizontal plate and the gutter top bent plates. A bolt connecting groove is formed in the center line position of the gutter top horizontal plate, and rail grooves used for a gutter cleaning vehicle are formed in the two sides of the bolt connecting groove. The gutter top bending plate, the upper vertical plate and the extending part of the U-shaped lower shell form a dew collecting and draining groove, and a plurality of draining holes are formed in the bottom of the dew collecting and draining groove at intervals. The gutter structure of the greenhouse has the advantages of being simple in structure and convenient to implement, and through structural design of the gutter structure, the gutter structure is simpler and convenient to manufacture on the premise that the strength and usability of the gutter structure are met; the drain holes are formed in the bottom of the dew collection and drainage groove of the gutter structure, dew on the inner side of the greenhouse can be collected, and internal drainage is smoother.

The utility model discloses a greenhouse ventilation temperature control device which comprises a frame body assembly and a temperature control mechanism, a dedusting air inlet assembly in bolted connection is arranged above one end of the frame body assembly, and a driving part in bolted connection is arranged above the other end of the frame body assembly. The opposite side of the driving part and the dust removal air inlet assembly is provided with a temperature control mechanism which is connected in a sleeved mode, the temperature control mechanism comprises a shaft bracket pipe, a driven gear pipe, an air distribution cabin, a direction distribution pipe, a fin plate, a driving gear, a frame plate and a driving motor, and the shaft bracket pipe is arranged on the opposite side of the dust removal air inlet assembly; according to the ventilation and temperature control equipment for the greenhouse, after a driving gear rotates to operate, a driven gear pipe is driven to rotate, through passive rotation, an air distribution cabin, a direction distribution pipe and a fin plate make contact with air to achieve the cooling effect, and due to the fact that an outlet of an air pipe is only formed in a valve plug on one side of a protruding pipe, the slow-speed output effect is achieved; therefore, stable ventilation can be ensured.