CN215530315U

CN215530315U - Utilize difference in temperature to form photovoltaic warmhouse booth that air flow ventilates

Info

Publication number: CN215530315U
Application number: CN202121667468.8U
Authority: CN
Inventors: 范新宇; 吴松梅; 李辰琦; 武威
Original assignee: Shenyang Zhongsheng Green Building Technology Co ltd; Shenyang Jianzhu University
Current assignee: Shenyang Zhongsheng Green Building Technology Co ltd; Shenyang Jianzhu University
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-18
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a photovoltaic greenhouse for forming air flow ventilation by utilizing temperature difference, which comprises an integral framework, wherein a crosspiece assembly is arranged in the middle of the framework and divides the framework into at least two areas, a servo motor is fixedly arranged on the framework of one area through a support frame, the output end of the servo motor is connected with a plurality of flexible photovoltaic panels through a rotating device, the servo motor is also connected with a plurality of cylinders through a transmission device, and the cylinders are connected with the framework through telescopic rods. According to the greenhouse, the framework is divided into two areas through the transverse baffle, the flexible photovoltaic plate is installed in one area, the flexible photovoltaic plate is not installed in the other area, the temperature of the area where the flexible photovoltaic plate is installed is lower under the condition of sunlight irradiation, the temperature of the area where the flexible photovoltaic plate is not installed is higher, air convection of the two areas is formed through the first through hole and the second through hole by utilizing the temperature difference between the two areas, the technical problem that air circulation in the greenhouse is not smooth is solved, and the healthy growth efficiency of crops is improved.

Description

Utilize difference in temperature to form photovoltaic warmhouse booth that air flow ventilates

Technical Field

The utility model relates to the technical field of greenhouses, in particular to a photovoltaic greenhouse capable of forming air flow ventilation by utilizing temperature difference.

Background

The photovoltaic agricultural greenhouse is a greenhouse which integrates solar photovoltaic power generation, an intelligent temperature control system and modern high-tech planting, a steel framework is adopted in the greenhouse, a solar photovoltaic component is covered on the greenhouse, the solar photovoltaic power generation and the lighting requirement of crops in the whole greenhouse are guaranteed, the power generated by the solar photovoltaic can support an irrigation system of the greenhouse, the light is supplemented to the plants, the heating requirement of the greenhouse in winter is met, the temperature of the greenhouse is increased, the crops can grow rapidly, the photovoltaic agricultural greenhouse is popularized and adopted, and a huge pushing effect is provided for the high yield and high efficiency of agriculture;

however, the sunlight is insufficiently injected due to certain shielding of the top photovoltaic on the lighting of the lower greenhouse, so that the temperature in the greenhouse is also reduced, the light energy is not favorably fully utilized, the photosynthesis efficiency is reduced, meanwhile, the framework of the greenhouse is paved with the dropless plastic film and the heat-insulating rolling curtain quilt, the temperature in the greenhouse can be effectively prevented from being dissipated, and the problem of unsmooth air flow in the greenhouse is caused;

therefore, this application provides an utilize difference in temperature to form photovoltaic warmhouse booth that air flow ventilates.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the existing photovoltaic greenhouse cannot fully utilize light energy and air in the greenhouse is not smooth, and provides a photovoltaic greenhouse utilizing temperature difference to form air flow ventilation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an utilize difference in temperature to form photovoltaic warmhouse booth that air flow ventilates, is including forming holistic skeleton, be provided with the crosspiece subassembly in the middle of the skeleton, the crosspiece subassembly divide into two at least regions with the skeleton, one of them region the skeleton has servo motor through support frame fixed mounting, servo motor's output is connected with a plurality of flexible photovoltaic boards through rotating device, servo motor still is connected with a plurality of drums through transmission, the drum passes through the telescopic link and is connected with the skeleton.

Preferably, the crosspiece subassembly specifically includes a horizontal baffle, horizontal baffle and skeleton middle part fixed connection, first through-hole and second through-hole have been seted up on the horizontal baffle, first through-hole is located the top of second through-hole.

Preferably, the rotating device specifically comprises a rotating groove formed in the framework, a rotating shaft is arranged in the rotating groove, one end of the rotating shaft is fixedly connected with the output end of the servo motor, and the other end of the rotating shaft is rotatably connected with the inner side wall of the rotating groove.

Preferably, rotating device is still including seting up the circular recess on the skeleton, a plurality of connecting rods of axis of rotation outer wall fixedly connected with, the connecting rod passes the circular recess to fixedly connected with sleeve, telescopic outer wall and flexible photovoltaic board fixed connection.

Preferably, the transmission device specifically comprises a fixed rod arranged on the framework, the fixed rod is rotatably connected with the framework, transmission gears are fixedly sleeved on the outer walls of the fixed rod and the rotating shaft, and the two transmission gears are in meshing transmission through a transmission belt.

Preferably, the outer wall of the fixing rod is provided with an external thread, the inner wall of the cylinder is provided with an internal thread, and the cylinder is in threaded connection with the fixing rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the greenhouse, the framework is divided into two areas through the transverse baffle, the flexible photovoltaic plate is installed in one area, the flexible photovoltaic plate is not installed in the other area, the temperature of the area where the flexible photovoltaic plate is installed is lower under the condition of sunlight irradiation, the temperature of the area where the flexible photovoltaic plate is not installed is higher, air convection of the two areas is formed through the first through hole and the second through hole by utilizing the temperature difference between the two areas, the technical problem that air circulation in the greenhouse is not smooth is solved, and the healthy growth efficiency of crops is improved.

2. According to the utility model, the driving force of the servo motor is utilized to drive the rotating shaft to rotate according to the sunlight irradiation angle, so that the sleeve and the flexible photovoltaic plate are driven to rotate, the flexible photovoltaic plate is abutted against the cylinder, the flexible photovoltaic plate is bent, the contact area of the flexible photovoltaic plate and sunlight is larger, the full absorption of illumination and the utilization of light energy are facilitated, and the utilization rate of the light energy is improved.

Drawings

Fig. 1 is a schematic structural view of a photovoltaic greenhouse using temperature difference to form air flow ventilation according to the present invention;

FIG. 2 is a schematic diagram of a partial explosion in a photovoltaic greenhouse using temperature difference to create air flow ventilation according to the present invention;

FIG. 3 is a schematic view of a connection structure between a cylinder and a telescopic rod in a photovoltaic greenhouse for forming air flow ventilation by using temperature difference;

FIG. 4 is a schematic view of a connection structure between a cylinder and a fixing rod in a photovoltaic greenhouse using temperature difference to form air flow ventilation according to the present invention;

fig. 5 is a schematic view of a state of a flexible photovoltaic panel abutting against a cylinder in a photovoltaic greenhouse for forming air flow ventilation by using temperature difference according to the present invention.

In the figure: the photovoltaic solar photovoltaic power generation device comprises a framework 1, a supporting frame 2, a servo motor 3, a flexible photovoltaic panel 4, a cylinder 5, a telescopic rod 6, a transverse baffle 7, a first through hole 8, a second through hole 9, a rotating groove 10, a rotating shaft 11, a circular groove 12, a connecting rod 13, a sleeve 14, a fixing rod 15, a transmission gear 16 and a transmission belt 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, a photovoltaic greenhouse using temperature difference to form air flow ventilation comprises a framework 1 forming a whole, a crosspiece assembly is arranged in the middle of the framework 1 and divides the framework into at least two regions, a servo motor 3 is fixedly installed on the framework 1 of one region through a support frame 2, the output end of the servo motor 3 is connected with a plurality of flexible photovoltaic panels 4 through a rotating device, the servo motor 3 is further connected with a plurality of cylinders 5 through a transmission device, and the cylinders 5 are connected with the framework 1 through telescopic rods 6;

the flexible photovoltaic panel 4 is in the prior art, can be bent within a certain angle, and has the characteristics of being deformable, light, thin, attractive and the like;

in addition, a non-drop plastic film and a heat-preservation rolling curtain quilt are paved outside the integral framework 1, so that the air in the greenhouse is isolated from the air outside the greenhouse;

furthermore, the crosspiece assembly specifically comprises a transverse baffle 7, the transverse baffle 7 is fixedly connected with the middle end of the framework 1, a first through hole 8 and a second through hole 9 are formed in the transverse baffle 7, and the first through hole 8 is located above the second through hole 9;

referring to fig. 1, when the temperature in the two areas is different, the hot air in one area moves upwards and enters the other area through the first through hole 8, so that the air circulates and the air in the greenhouse is circulated;

further, the rotating device specifically comprises a rotating groove 10 formed in the framework, a rotating shaft 11 is arranged in the rotating groove 10, one end of the rotating shaft 11 is fixedly connected with the output end of the servo motor 3, and the other end of the rotating shaft is rotatably connected with the inner side wall of the rotating groove 10;

when in use, the servo motor 3 can drive the rotating shaft 11 to rotate relative to the rotating groove 10;

furthermore, the rotating device also comprises a circular groove 12 formed in the framework 1, the outer wall of the rotating shaft 11 is fixedly connected with a plurality of connecting rods 13, the connecting rods penetrate through the circular groove 12 and are fixedly connected with a sleeve 14, and the outer wall of the sleeve 14 is fixedly connected with the flexible photovoltaic panel 4;

when the photovoltaic panel is used, the sleeve 14 can be driven to rotate by the rotation of the rotating shaft 11 through the conduction of the connecting rods 13, and then the flexible photovoltaic panel 4 is driven to rotate;

further, the transmission device specifically comprises a fixed rod 15 arranged on the framework 1, the fixed rod 15 is rotatably connected with the framework 1, transmission gears 16 are fixedly sleeved on the outer walls of the fixed rod 15 and the rotating shaft 11, and the two transmission gears 16 are in meshing transmission through a transmission belt 17;

when the device is used, the servo motor 3 drives the rotating shaft 11 to rotate, and the fixing rod 15 is also driven to rotate through the transmission of the transmission gear 16 and the transmission belt 17;

furthermore, the outer wall of the fixed rod 15 is provided with an external thread, the inner wall of the cylinder 5 is provided with an internal thread, and the cylinder 5 is in threaded connection with the fixed rod 15;

in use, the fixing rod 15 is rotated, so that the fixing rod 15 and the plurality of cylinders 5 are relatively rotated, and the cylinders 5 are deviated on the fixing rod 15.

The working principle of the utility model is as follows:

according to the sunlight irradiation angle, the servo motor 3 drives the rotating shaft 11 to rotate to drive the flexible photovoltaic panel 4 to rotate, and meanwhile, the fixing rod 15 can also synchronously rotate, so that the cylinder 5 cannot rotate due to the fact that the cylinder 5 is connected with the framework 1 through the telescopic rod 6, and the cylinder 5 begins to deviate on the fixing rod 15;

the continuous rotation of the rotating shaft 11 enables the flexible photovoltaic panel 4 and the cylinder 5 to interfere with each other, so that the flexible photovoltaic panel 4 is bent, and the contact area with sunlight is larger (refer to fig. 5);

continued rotation of the rotation shaft 11 causes the cylinder 5 to continue to deflect until it breaks free from the flexible photovoltaic panel 4, causing the photovoltaic panel 4 to change from a bent to a rectilinear state, all inclined to the other side (direction of sunshine);

after the sun falls off the mountain, the servo motor 3 drives the rotating shaft 11 to rotate reversely, so that the flexible photovoltaic panel 4 returns to the initial position, and it should be noted that the flexible photovoltaic panel 4 rotating reversely can also go through a process of changing the straight line into the bent line and then changing the straight line into the straight line.

Wherein, flexible photovoltaic board 4 can not contact dead lever 15 all the time, and dead lever 15 can not make flexible photovoltaic board 4 bending deformation.

One of the zones is exposed to more sunlight than the other, and the temperature will rise faster, creating a temperature difference that allows air circulation between the two zones.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an utilize difference in temperature to form photovoltaic warmhouse booth that air flow ventilates, a serial communication port, including forming holistic skeleton (1), be provided with the crosspiece subassembly in the middle of skeleton (1), the crosspiece subassembly divide into two at least regions with the skeleton, one of them region skeleton (1) has servo motor (3) through support frame (2) fixed mounting, the output of servo motor (3) is connected with a plurality of flexible photovoltaic board (4) through rotating device, servo motor (3) still are connected with a plurality of drums (5) through transmission, drum (5) are connected with skeleton (1) through telescopic link (6).

2. The photovoltaic greenhouse booth utilizing temperature difference to form air flow ventilation according to claim 1, wherein the crosspiece assembly specifically comprises a transverse baffle (7), the transverse baffle (7) is fixedly connected with the middle end of the framework (1), the transverse baffle (7) is provided with a first through hole (8) and a second through hole (9), and the first through hole (8) is located above the second through hole (9).

3. The photovoltaic greenhouse as claimed in claim 1, wherein the rotating device comprises a rotating groove (10) formed in the frame, a rotating shaft (11) is disposed in the rotating groove (10), one end of the rotating shaft (11) is fixedly connected to the output end of the servo motor (3), and the other end of the rotating shaft is rotatably connected to the inner sidewall of the rotating groove (10).

4. The photovoltaic greenhouse using temperature difference to form air flow ventilation according to claim 3, wherein the rotating device further comprises a circular groove (12) formed on the frame (1), the outer wall of the rotating shaft (11) is fixedly connected with a plurality of connecting rods (13), the connecting rods pass through the circular groove (12) and are fixedly connected with a sleeve (14), and the outer wall of the sleeve (14) is fixedly connected with the flexible photovoltaic panel (4).

5. The photovoltaic greenhouse as claimed in claim 4, wherein the transmission device comprises a fixing rod (15) disposed on the frame (1), the fixing rod (15) is rotatably connected to the frame (1), transmission gears (16) are fixedly sleeved on the outer walls of the fixing rod (15) and the rotating shaft (11), and the two transmission gears (16) are engaged with each other through a transmission belt (17).

6. The photovoltaic greenhouse using temperature difference to form air flow ventilation as claimed in claim 5, wherein the outer wall of the fixing rod (15) is provided with external threads, the inner wall of the cylinder (5) is provided with internal threads, and the cylinder (5) is in threaded connection with the fixing rod (15).