CN211241070U

CN211241070U - Solar heat storage and supply device for greenhouse heating

Info

Publication number: CN211241070U
Application number: CN201922380072.4U
Authority: CN
Inventors: 王鹏; 刘志义; 史玉明; 李春贤
Original assignee: Shanxi Gongyi Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Gongyi Hechuang Group Co.,Ltd.
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-14
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a solar energy heat accumulation heating system for greenhouse heating, including the greenhouse, install the insulation can on the greenhouse, be equipped with heating mechanism in the insulation can, install the fan on the greenhouse, be connected with the pipe between the input of fan and the insulation can upper end, the output of fan is connected with the heat accumulation structure, be equipped with heat preservation mechanism between heat accumulation mechanism and the greenhouse, be equipped with temperature sensor in the greenhouse. The utility model discloses a heating mechanism, heat accumulation mechanism and heat preservation mechanism utilize solar energy to the greenhouse heating, keep the suitable of the inside temperature in greenhouse, simultaneously, can get up unnecessary energy accumulation, when heating mechanism can't use, also can heat the greenhouse, have improved the utilization efficiency of the energy, can the inside temperature in dynamically regulated greenhouse simultaneously, avoid the high harm crop growth of high temperature.

Description

Solar heat storage and supply device for greenhouse heating

Technical Field

The utility model relates to a heating installation technical field especially relates to a solar energy heat accumulation heating installation for greenhouse heating.

Background

The greenhouse is a structure which can provide the growth period of plants and increase the crop yield in seasons and environments unsuitable for the growth of the plants, is used for cultivating or growing seedlings of the plants such as warm vegetables, flowers, woods and the like in low-temperature seasons, and can be divided into a great variety according to different roof truss materials, lighting materials, shapes, heating conditions and the like.

Most of greenhouses adopt a floor heating mode or an industrial finned tube radiator to supply heat to the greenhouse, so that the appropriate temperature in the greenhouse is kept, but the methods can consume more energy when in use, and meanwhile, the heat energy utilization rate is low, and the defects of certain energy waste are overcome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the energy consumption of the existing greenhouse heating mode is large and the defect of energy waste exists in the prior art, and providing a solar heat storage heating device for greenhouse heating.

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

the utility model provides a solar energy heat accumulation heating system for greenhouse heating, includes the greenhouse, install the insulation can on the greenhouse, be equipped with heating mechanism in the insulation can, install the fan on the greenhouse, be connected with the pipe between the input of fan and the insulation can upper end, the output of fan is connected with heat accumulation mechanism, be equipped with heat preservation mechanism between heat accumulation mechanism and the greenhouse, be equipped with temperature sensor in the greenhouse.

Preferably, the heating mechanism comprises a heat collecting plate arranged in the heat insulation box, and an air outlet pipe and an air inlet pipe are respectively connected between the upper end and the lower end of the side wall of the heat insulation box and the greenhouse.

Preferably, a third valve and a fourth valve are respectively installed in the air inlet pipe and the air outlet pipe.

Preferably, heat accumulation mechanism includes the recovery tube that the fan output is connected and the heat transfer case that the greenhouse below set up, the heat transfer incasement is equipped with the heat exchange tube, and the recovery tube keeps away from the one end of fan and is connected with the input of heat exchange tube, the output of heat exchange tube is connected with the back flow, and the other end and the insulation can lower extreme of back flow are connected.

Preferably, the heat preservation mechanism comprises a communicating pipe connected between the return pipe and the greenhouse, and the communicating pipe and the return pipe are internally provided with a first valve and a second valve respectively.

The utility model has the advantages that:

1. through the heating mechanism, the heat collecting plate is used for collecting solar energy to heat the air in the heat insulation box, and the air outlet pipe and the air inlet pipe are used for supplying heat to the greenhouse in a convection mode, so that the appropriate temperature in the greenhouse is guaranteed easily, and the energy is saved.

2. Through heat accumulation mechanism, when the inside high temperature in greenhouse was too high, utilize the fan to take out the inside high temperature air of insulation can and through the cooperation of heat exchange tube with the heat transfer case, get off the heat storage, both avoided the inside high temperature in greenhouse to harm the crop, improved the utilization ratio of the energy simultaneously again.

3. Through heat preservation mechanism, when heating mechanism can't be to the greenhouse heating, utilize communicating pipe cooperation fan can be with the heat transfer to the greenhouse of the inside accumulational of heat transfer case in to guarantee the suitable of the inside temperature of greenhouse.

To sum up, the utility model discloses a heating mechanism, heat accumulation mechanism and heat preservation mechanism utilize solar energy to the greenhouse heating, keep the suitable of the inside temperature in greenhouse, simultaneously, can get up unnecessary energy accumulation, when heating mechanism can't use, also can heat the greenhouse, have improved the utilization efficiency of the energy, can the inside temperature in dynamic adjustment greenhouse simultaneously, avoid the high temperature to harm crop growth.

Drawings

Fig. 1 is a schematic structural diagram of a solar thermal storage heating device for heating a greenhouse according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic view of a part of the structure of the heat storage mechanism in the solar heat storage heating device for heating the greenhouse provided by the present invention.

In the figure: 1 greenhouse, 2 insulation can, 3 heat collecting plate, 4 air outlet pipe, 5 air inlet pipe, 6 heat exchange box, 7 heat exchange pipe, 8 return pipe, 9 blower, 10 guide pipe, 11 recovery pipe, 12 communicating pipe, 13 first valve, 14 second valve, 15 temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a solar heat storage heating device for heating a greenhouse, including a greenhouse 1, an insulation can 2 is installed on the sunward side of the greenhouse 1, the insulation can 2 is of a two-layer transparent glass structure, and a vacuum is pumped between the two layers of transparent glass, so as to ensure that the heat inside the insulation can 2 is not dissipated, a heating mechanism is arranged in the insulation can 2, a fan 9 is installed on the greenhouse 1, the fan 9 can adopt a YX fan, a conduit 10 is connected between the input end of the fan 9 and the upper end of the insulation can 2, the output end of the fan 9 is connected with a heat storage mechanism, a heat insulation mechanism is arranged between the heat storage mechanism and the greenhouse 1, a temperature sensor 15 is arranged in the greenhouse 1, and the temperature sensor 15 is located in the middle position.

In the utility model, the heating mechanism comprises a heat collecting plate 3 arranged in the heat preservation box 2, an air outlet pipe 4 and an air inlet pipe 5 are respectively connected between the upper end and the lower end of the side wall of the heat preservation box 2 and the greenhouse 1, the heat preservation box 2 is communicated with the interior of the greenhouse 1 through the air outlet pipe 4 and the air inlet pipe 5, and a third valve and a fourth valve are respectively arranged in the air inlet pipe 5 and the air outlet pipe 4;

the heat storage mechanism comprises a recovery pipe 11 connected with the output end of a fan 9 and a heat exchange box 6 buried in soil below the greenhouse 1, the heat exchange box 6 is made of heat insulation materials such as asbestos fibers, a serpentine heat exchange pipe 7 is arranged in the heat exchange box 6, a heat exchange medium is filled between the heat exchange pipe 7 and the inner wall of the heat exchange box 6, one end, far away from the fan 9, of the recovery pipe 11 is connected with the input end of the heat exchange pipe 7, the heat exchange pipe 7 is provided with two output ends, one output end of the heat exchange pipe 7 is connected with a return pipe 8, the other end of the return pipe 8 is connected with the lower end of the heat preservation box 2, the other output end of the heat exchange pipe 7 is connected with external heating equipment, when energy in;

the heat preservation mechanism includes communicating pipe 12 of being connected between back flow 8 and the greenhouse 1, and communicating pipe 12 and greenhouse 1 intercommunication department are located greenhouse 1 lower part, rise according to the hot-air, the decline of cold air is kept away from, thereby make the hot-air can fully heat the inside of greenhouse 1, first valve 13 and the second valve 14 of installing respectively in communicating pipe 12 and the back flow 8, be equipped with the controller on greenhouse 1, the controller is microprogrammed control ware, first valve 13, second valve 14, third valve and fourth valve are the solenoid valve, and first valve 13, second valve 14, the third valve, the fourth valve, temperature sensor 15 and fan 9 all with controller electric connection.

The utility model discloses during the use, when having the sun daytime in winter, first valve 13 and second valve 14 are in the closed condition, and third valve, fourth valve are in the open mode, and the sunlight sees through insulation can 2 and shines on thermal-arrest board 3, and thermal-arrest board 3 absorbs the heat in the sunlight and makes its temperature rise fast, and then makes the air in insulation can 2 produce greenhouse effect by the heating, promptly: the high-temperature air in the heat preservation box 2 continuously rises and enters the greenhouse 1 through the air outlet pipe 4, the low-temperature air at the lower part of the interior of the greenhouse 1 enters the heat preservation box 2 through the air inlet pipe 5, the heat preservation box 2 can supply heat to the interior of the greenhouse 1 in a convection manner through the air inlet pipe 5 and the air outlet pipe 4, the temperature in the greenhouse 1 is ensured to be suitable for crop growth, when the temperature sensor 15 senses that the temperature in the interior of the greenhouse 1 is too high, the temperature sensor 15 transmits a signal to the controller, the controller receives the signal and controls the fan 9 to start, the second valve 14 to open, the third valve and the fourth valve to close, the fan 9 guides the high-temperature air in the heat preservation box 2 into the heat exchange pipe 7 through the guide pipe 10 and the recovery pipe 11, the heat exchange pipe 7 transfers the heat in the high-temperature air into a, when the temperature in the greenhouse 1 is lower than the suitable temperature of crops, the temperature sensor 15 transmits a signal to the controller after sensing the temperature, the controller controls the fan 9 to stop, the second valve 14 to be closed, the third valve and the fourth valve to be opened, and the processes are repeated to convectively heat the interior of the greenhouse 1;

when the night is reached, when the heating mechanism can not heat the greenhouse, when the temperature sensor 15 senses that the temperature in the greenhouse 1 is lower, the temperature sensor 15 transmits a signal to the controller, the controller controls the fan 9 to be opened, the second valve 14 and the third valve are in a closed state, the first valve 13 and the fourth valve are in an opened state, the fan 9 enables the air in the greenhouse 1 to sequentially pass through the air outlet pipe 4, the guide pipe 10, the recovery pipe 11, the heat exchange pipe 7, the return pipe 8 and the communication pipe 12 to circularly flow, when the low-temperature air passes through the heat exchange pipe 7, the heat accumulated in the heat exchange box 6 heats the low-temperature air, so that the temperature of the gas in the greenhouse 1 is increased, and according to the process, the temperature sensor 15 can also play a role in adjusting.

It is worth noting that in hot summer, the user can close the air inlet pipe 5 and the air outlet pipe 4 through the third valve and the fourth valve, and the situation that high-temperature air in the heat preservation box 2 enters the greenhouse 1 to cause the crop to be damaged by overhigh air temperature in the greenhouse 1 is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a solar energy heat accumulation heating installation for greenhouse heating, includes greenhouse (1), its characterized in that, install insulation can (2) on greenhouse (1), be equipped with heating mechanism in insulation can (2), install fan (9) on greenhouse (1), be connected with pipe (10) between the input of fan (9) and insulation can (2) upper end, the output of fan (9) is connected with heat accumulation mechanism, be equipped with heat preservation mechanism between heat accumulation mechanism and greenhouse (1), be equipped with temperature sensor (15) in greenhouse (1).

2. The solar heat-storage heating apparatus for greenhouse heating as claimed in claim 1, wherein the heating mechanism comprises a heat-collecting plate (3) disposed in the thermal insulation box (2), and an air outlet pipe (4) and an air inlet pipe (5) are connected between the upper and lower ends of the side wall of the thermal insulation box (2) and the greenhouse (1), respectively.

3. A solar thermal storage heating apparatus for greenhouse heating according to claim 2, wherein a third valve and a fourth valve are installed in the inlet pipe (5) and the outlet pipe (4), respectively.

4. The solar heat storage and supply device for greenhouse heating according to claim 1, wherein the heat storage mechanism comprises a recovery pipe (11) connected with the output end of the fan (9) and a heat exchange box (6) arranged below the greenhouse (1), a heat exchange pipe (7) is arranged in the heat exchange box (6), one end of the recovery pipe (11) far away from the fan (9) is connected with the input end of the heat exchange pipe (7), the output end of the heat exchange pipe (7) is connected with a return pipe (8), and the other end of the return pipe (8) is connected with the lower end of the heat insulation box (2).

5. A solar thermal storage heating installation for greenhouse heating as claimed in claim 4, characterised in that the thermal insulation means comprise a connection pipe (12) connecting the return pipe (8) to the greenhouse (1), the connection pipe (12) and a first valve (13) and a second valve (14) being arranged in the return pipe (8), respectively.