CN210184057U

CN210184057U - Greenhouse solar energy automatic ventilation system

Info

Publication number: CN210184057U
Application number: CN201920949694.1U
Authority: CN
Inventors: Yinlun Li; 李银轮; Hailong Qian; 钱海龙; Tao Li; 李涛; jiao Yuan; 袁娇; Xiaomei Ma; 马晓梅
Original assignee: Qinghai Poly Zhengxin Energy Co Ltd; Qinghai Normal University
Current assignee: Qinghai Poly Zhengxin Energy Co Ltd; Qinghai Normal University
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-03-27
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a greenhouse solar energy automatic ventilation system, its structure includes photovoltaic module, a controller, ventilation unit and temperature sensor, in the warmhouse booth has been solved, daytime because temperature is too high, especially in spring, summer, autumn, can not in time aeration cooling, cause the problem of harm for vegetation, photovoltaic module is the power of this system, the controller is used for controlling ventilation unit's opening, close, greenhouse room temperature that temperature sensor detected is higher than the upper limit of establishing the greenhouse temperature, the controller gives an instruction, open ventilation unit, when being less than the settlement temperature, ventilation unit closes, reach simple structure, work safe and reliable, do not receive the influence of electric wire netting, also not influenced by external factors such as people, need not personnel's on duty, automatic operation, the beneficial effect of the ventilation of being convenient for.

Description

Greenhouse solar energy automatic ventilation system

Technical Field

The utility model relates to a solar photovoltaic uses technical field, concretely relates to greenhouse solar energy automatic ventilation system.

Background

At present, a greenhouse has become a main source of vegetables in winter in the north of China, due to the efficient solar energy collecting capacity of the greenhouse, even in cold winter in the north, a microclimate environment suitable for the growth of vegetables and fruits can be realized in the greenhouse, with the rapid development of science and technology, an automatic greenhouse solar ventilation system is also technically improved, but in the prior art, when the weather is fine in the daytime, the situation that plants are burnt and yield is reduced or even die in a large area is often encountered due to overhigh air temperature in the greenhouse, and although various automatic alarm ventilation devices are arranged in some intelligent greenhouses, the system cannot normally work and irrecoverable loss is caused due to sudden factors such as power failure and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the solar automatic ventilation system for the greenhouse is provided, solves the problem that the temperature is too high in the daytime, and the plants cannot be ventilated and cooled in time particularly in spring, summer and autumn, so that the damage to the growth of the plants is caused, and has the advantages of simple structure, safety and reliability in work, no influence of a power grid, no influence of external factors such as human factors and the like, no need of personnel on duty, automatic operation and convenience in ventilation.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a greenhouse solar energy automatic ventilation system, including photovoltaic module, controller, ventilation unit and temperature sensor, photovoltaic module lower extreme and warmhouse booth top left side fixed connection, controller front end and the inside front side lower extreme fixed connection of warmhouse booth, ventilation unit set up around warmhouse booth both ends and with the inboard fixed connection of warmhouse booth, temperature sensor sets up on the inside top of warmhouse booth, controller, ventilation unit and temperature sensor all are connected with the photovoltaic module electricity, ventilation unit and temperature sensor are connected with the controller electricity.

Furthermore, solar panel among the photovoltaic module is installed at a certain angle with warmhouse booth top.

Furthermore, the output end of the controller is connected with the input end of the ventilation device, and the output end of the photovoltaic module and the output end of the temperature sensor are connected with the input end of the control circuit of the controller.

Further, the output end of the controller is the power supply of the ventilation device.

Furthermore, the ventilating devices are arranged in six groups, the three groups are respectively arranged at the front end and the rear end of the greenhouse, and the three ventilating devices are arranged in a triangular mode.

Furthermore, a distance is reserved between the bottom end of the temperature sensor and the ground in the greenhouse.

Further, the temperature sensor is of a type DS18B 20.

Further, the ventilation device is a fan, and the model is YJ-F2.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) in order to solve the problem that the temperature is too high in the daytime, particularly in spring, summer and autumn, and the plants cannot be ventilated and cooled in time to cause damage to the growth of the plants, the design provides the design of the photovoltaic module, the controller, the ventilation device and the temperature sensor, and the problem that the temperature is too high in the daytime, particularly in spring, summer and autumn, and the plants cannot be ventilated and cooled in time to cause damage to the growth of the plants is solved, the photovoltaic module is a power supply of the system, the controller is used for controlling the ventilation device to be turned on and off, when the ventilation device is turned on, the temperature of the greenhouse is reduced through the exchange of air inside and outside the greenhouse, when the temperature of the greenhouse detected by the temperature sensor is higher than the upper limit of the temperature of the greenhouse, the controller sends an instruction to turn on the ventilation device, and when the temperature is lower than the set temperature, the ventilation device is turned off, the ventilation device is not influenced by a power grid and external factors such as human factors, does not need to be attended by personnel, automatically operates and is convenient to ventilate.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of an automatic ventilation system of a greenhouse solar energy of the present invention;

FIG. 2 is a schematic left-side view of the installation structure of the automatic ventilation system of the greenhouse of the present invention;

FIG. 3 is a schematic view of the overall installation structure of the automatic solar ventilation system for a greenhouse of the present invention;

in the figure: the device comprises a photovoltaic module-1, a controller-2, a ventilation device-3 and a temperature sensor-4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2 and 3, the present invention provides an automatic ventilation system for greenhouse solar energy: including photovoltaic module 1, controller 2, ventilation unit 3 and

temperature sensor

4, 1 lower extreme of photovoltaic module and warmhouse booth top left side fixed connection, 2 front ends of controller and the inside front side lower extreme fixed connection of warmhouse booth, ventilation unit 3 set up around warmhouse booth both ends and with the inboard fixed connection of warmhouse booth, temperature sensor 4 sets up on the inside top of warmhouse booth, controller 2, ventilation unit 3 and temperature sensor 4 all are connected with photovoltaic module 1 electricity, ventilation unit 3 and temperature sensor 4 are connected with 2 electricity of controller.

Wherein, solar panel among the photovoltaic module 1 is installed with warmhouse booth top at a certain angle, is convenient for carry out illumination, carries out photoelectric conversion.

Wherein, the output of controller 2 is connected with ventilation unit 3's input, and photovoltaic module 1's output, temperature sensor 4's output are connected with controller 2's control circuit input, are convenient for the circular telegram to and carry out automatic control through controller 2, overcome the artifical uncertainty of opening ventilation unit 3.

The output end of the controller 2 is the power supply of the ventilation device 3, the power supply of any existing greenhouse automatic ventilation system can be replaced after matching, no potential working hazard exists, and the working reliability is greatly improved.

Wherein, ventilation unit 3 is provided with six, and the three is a set of, sets up both ends around warmhouse booth respectively, and is the triangular arrangement between the three ventilation unit 3, is convenient for ventilate, avoids the high temperature in the big-arch shelter.

A distance is reserved between the bottom end of the temperature sensor 4 and the ground in the greenhouse, so that the temperature in the greenhouse can be conveniently detected.

The type of the temperature sensor 4 is DS18B20, the reaction is sensitive, the detection is accurate, and the energy consumption is low.

The ventilating device 3 is a fan with the model of YJ-F2, and is high in rotating speed, low in noise and long in service life.

The photovoltaic module 2 (commonly called as a solar panel) described in this patent is formed by combining solar cells (two specifications of the whole solar cell are 125mm, 156mm, 124mm, etc.) or solar cells of different specifications cut by a laser cutting machine or a steel wire cutting machine, because the current and voltage of a single solar cell are very small, then we connect them in series to obtain high voltage, then connect them in parallel to obtain high current, then output them through a diode (preventing current feedback), and package them on a stainless steel, aluminum or other non-metal frame, and install the glass on the top and the back plate on the back, fill nitrogen gas, seal, and the whole is called as a module, that is, a photovoltaic module or a solar cell module.

The working principle is as follows: the photovoltaic module 1 is arranged on the north side wall of the greenhouse to convert solar energy into electric energy and supply power to the device, the power is determined by the rated power of the ventilation device 3 and the local solar radiation amount, the installation inclination angle is determined by the local latitude, the direction faces south, the ventilation device 3 is generally arranged at the lower side of the south side of the daylighting surface, a curtain rolling machine drives a plastic film to roll up when ventilation is facilitated, and can also be arranged at other suitable positions according to actual requirements, the temperature sensor 4 is hung at a suitable height in the greenhouse to detect the indoor temperature, the controller 2 is arranged in the north wall in the greenhouse to facilitate maintenance operation, the temperature in the greenhouse gradually rises along with the continuous absorption of solar energy by the greenhouse in fine day, in order to ensure the growth safety of plants and the highest limit of different plants on the temperature, when the temperature in the greenhouse rises to a certain value, the greenhouse needs ventilation and cooling, at the moment, the controller 2 automatically sends an instruction to the ventilation device 3, and the ventilation device 3 is automatically opened, so that the purposes of ventilation and cooling are achieved; when the temperature of the air in the greenhouse is reduced to a set value, the controller 2 sends an instruction, the ventilation device 3 is automatically closed, the automatic operation of a ventilation system of the greenhouse is realized, the temperature value of the air in the greenhouse detected by the temperature sensor 4 is determined by the upper limit of the temperature of the greenhouse set by the controller 2, and the temperature is automatically set by the panel surface of the controller 2 before the system works according to the requirements of different plants planted in the greenhouse on the environmental temperature, the design provides the photovoltaic component 1, the controller 2, the ventilation device 3 and the temperature sensor 4, the problem that the temperature cannot be timely ventilated and cooled in spring, summer and autumn due to overhigh temperature in the daytime, so that the plants are damaged during growth is solved, the photovoltaic component 1 is a power supply of the system, the controller 2 is used for controlling the on and off of the ventilation device 3, and when the ventilation device 3 is electrically opened, the air inside and outside the greenhouse is exchanged, realize the greenhouse cooling, when the greenhouse room temperature that temperature sensor 4 detected is higher than the upper limit of the greenhouse temperature of setting for, controller 2 sends the instruction, opens ventilation unit 3, when being less than the settlement temperature, and ventilation unit 3 closes, reaches simple structure, and work safe and reliable does not receive the influence of electric wire netting, does not also receive the influence of external factors such as artificial, need not personnel's on duty, automatic operation, the beneficial effect of the ventilation of being convenient for.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a greenhouse solar energy automatic ventilation system which characterized in that: including photovoltaic module (1), controller (2), ventilation unit (3) and temperature sensor (4), photovoltaic module (1) lower extreme and warmhouse booth top left side fixed connection, controller (2) front end and the inside front side lower extreme fixed connection of warmhouse booth, ventilation unit (3) set up around warmhouse booth both ends and with the inboard fixed connection of warmhouse booth, temperature sensor (4) set up on the inside top of warmhouse booth, controller (2), ventilation unit (3) and temperature sensor (4) all are connected with photovoltaic module (1) electricity, ventilation unit (3) and temperature sensor (4) are connected with controller (2) electricity.

2. The automatic ventilation system for greenhouse solar energy as claimed in claim 1, wherein: solar panel in photovoltaic module (1) is installed at a certain angle with warmhouse booth top.

3. The automatic ventilation system for greenhouse solar energy as claimed in claim 1, wherein: the output end of the controller (2) is connected with the input end of the ventilation device (3), and the output end of the photovoltaic module (1) and the output end of the temperature sensor (4) are connected with the input end of a control circuit of the controller (2).

4. The automatic ventilation system for greenhouse solar energy as claimed in claim 1, wherein: the output end of the controller (2) is the power supply of the ventilation device (3).

5. The automatic ventilation system for greenhouse solar energy as claimed in claim 1, wherein: the six ventilation devices (3) are arranged in a group, the three ventilation devices are respectively arranged at the front end and the rear end of the greenhouse, and the three ventilation devices (3) are arranged in a triangular mode.

6. The automatic ventilation system for greenhouse solar energy as claimed in claim 1, wherein: the bottom end of the temperature sensor (4) is away from the ground in the greenhouse.