CN207383081U - A kind of temperature-increasing system of heliogreenhouse - Google Patents

Abstract

The utility model relates to the technical field of temperature control equipment, in particular to a temperature increasing system for a solar greenhouse, which includes a solar heat collection device, a heat storage device, a water supply pipeline and a heat dissipation device. The shape of the ceiling frame is matched, the solar heat collecting device is connected with the heat storage device, the heat dissipation device is arranged in the greenhouse, and the heat storage device and the heat dissipation device are connected through a water supply pipeline. The utility model utilizes the solar heat collecting device on the outside of the greenhouse ceiling frame to absorb solar energy and heat energy in the outdoor air during the day, and converts and stores the heat energy collected by the solar heat collecting device through the heat storage device, and the heat storage device sends the heat to the water through the water supply pipeline. To the cooling device, the cooling device transfers heat to the greenhouse to solve the problem of low temperature in the greenhouse at night. Moreover, there is no need for combustion and other devices, and the efficiency is high and the pollution is small, which is conducive to the sustainable development of modern agriculture. The device is simple in structure and easy to install, and is suitable for large-scale development and establishment.

Description

A warming system for a solar greenhouse

technical field

The utility model relates to the technical field of temperature control equipment, in particular to a temperature increasing system for a solar greenhouse.

Background technique

Solar-assisted heat pumps generally refer to heat pump systems that are auxiliary devices for solar thermal utilization systems, including independent auxiliary heat pumps and heat pumps that use solar radiation heat as the heat source for evaporators. Most of these heat pumps are based on heat supply, and solar collectors are the key components of the system.

In the solar greenhouse, the indoor ambient temperature is low at night in winter, which seriously affects the quality and output of vegetables and fruits in the greenhouse. Most of the existing solutions are heating by burning traditional energy (coal, oil, natural gas, etc.), which pollutes the environment and is not conducive to the sustainable development of modern agriculture, and the existing greenhouse heat pump heating system is initially The investment is high, and the efficiency is not high, which is not conducive to large-scale commercial application.

Utility model content

(1) Technical problems to be solved

The technical problem to be solved by the utility model is to solve the problem that the existing greenhouse heating system has low initial efficiency and is easy to cause environmental pollution.

(2) Technical solutions

In order to solve the above technical problems, the utility model provides a warming system for a solar greenhouse, including a solar heat collection device, a heat storage device, a water supply pipeline and a heat dissipation device. The solar heat collection device is located outside the roof of the greenhouse and is connected to The shape of the ceiling frame is arranged in cooperation, and the solar heat collection device is connected to the heat storage device, the heat dissipation device is arranged in the greenhouse, and the heat storage device and the heat dissipation device pass through the water supply pipe road connection.

Wherein, the heat storage device includes a heat pump and a heat storage pool, the solar heat collection device is connected to the heat storage pool through the heat pump, and the heat storage pool is connected to the heat dissipation device.

Wherein, the solar heat collecting device includes a swinger and a plurality of heat collectors, the heat collectors are set corresponding to the ceiling frame one by one, the plurality of heat collectors are arranged along the length direction of the greenhouse, and the swing The heat collector is arranged at the end of the heat collector at the top of the roof frame, so as to control the swing of the heat collector according to the azimuth of the sun.

Wherein, the heat collector includes an intermediate pipe and copper plate fins connected to the intermediate pipe, the refrigerant liquid circulates in the intermediate pipe, and the copper plate fins are along the radial direction of the intermediate pipe Axial extension set.

Wherein, the water supply pipeline includes a water inlet pipe and a water return pipe, the water outlet of the heat storage tank is connected to the water inlet of the heat dissipation device through the water inlet pipe, and the water outlet of the heat dissipation device is connected to the water storage tank The water inlet is connected through the return pipe.

Wherein, the water inlet pipe is provided with a water pump.

Wherein, the width of the heat collector is the same as the width of the ceiling frame.

Wherein, the heat dissipation device is a heat dissipation pipe laid on the ground of the greenhouse.

Wherein, it also includes a control device, the control device includes a first controller and a second controller, the first controller controls the switch of the water pump and the heat pump, and the second controller controls the solar collector thermal device and the heat sink.

(3) Beneficial effects

The above-mentioned technical solution of the utility model has the following advantages: the temperature increasing system of the solar greenhouse of the utility model utilizes the solar heat collecting device on the outside of the greenhouse roof frame to absorb solar energy and heat energy in the outdoor air during the day, and collects the solar energy through the heat storage device. The thermal energy collected by the heat device is converted and stored. When the air temperature in the greenhouse is low at night, the heat storage device sends heat to the heat sink through the water supply pipeline, and the heat sink transfers the heat to the greenhouse, thereby increasing the temperature and solving the problem of low temperature in the greenhouse at night. . Moreover, the temperature increasing system of the utility model does not need devices such as combustion, and has high utilization efficiency of solar energy and little pollution, which is beneficial to the sustainable development of modern agriculture. At the same time, the device is simple in structure and easy to install, and is suitable for large-scale development and establishment.

In addition to the technical problems solved by the utility model described above, the technical features of the technical solutions formed and the advantages brought by the technical features of these technical solutions, other technical features of the utility model and the advantages brought by these technical features The advantages will be further explained in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the structural representation of the warming system of solar greenhouse of the utility model embodiment;

Fig. 2 is a structural schematic diagram of the heat collecting plate of the temperature increasing system of the solar greenhouse according to the embodiment of the present invention.

In the figure: 1: solar heat collection device; 2: heat storage device; 3: water supply pipeline; 4: heat dissipation device; 5: ceiling skeleton; 11: heat collector; 12: swing device; 21: heat pump; Hot water pool; 31: water inlet pipe; 32: return water pipe; 33: water pump; 111: middle pipe; 112: copper plate fin.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In addition, in the description of the present utility model, unless otherwise specified, the meanings of "multiple", "multiple roots" and "multiple groups" are two or more, "several", "several roots", "several "Several groups" means one or more than one.

As shown in Figure 1, the warming system of the solar greenhouse provided by the embodiment of the utility model includes a solar thermal collector 1, a heat storage device 2, a water supply pipeline 3 and a cooling device 4, and the solar thermal collector 1 is located on the roof of the greenhouse The outer side is arranged in cooperation with the shape of the ceiling frame 5 , and the solar thermal collector 1 is connected to the heat storage device 2 , the heat dissipation device 4 is arranged in the greenhouse, and the heat storage device 2 and the heat dissipation device 4 are connected through the water supply pipeline 3 .

The temperature increasing system of the solar greenhouse of the utility model uses the solar heat collecting device outside the greenhouse roof frame to absorb the solar energy and the heat energy in the outdoor air during the day, and converts and stores the heat energy collected by the solar heat collecting device through the heat storage device. When the air temperature is low, the heat storage device sends heat to the heat dissipation device through the water supply pipeline, and the heat dissipation device transfers the heat to the greenhouse, thereby increasing the temperature and solving the problem of low temperature in the greenhouse at night. Moreover, the temperature increasing system of the utility model does not need devices such as combustion, and has high utilization efficiency of solar energy and little pollution, which is beneficial to the sustainable development of modern agriculture. At the same time, the device is simple in structure and easy to install, and is suitable for large-scale development and establishment.

Wherein, the heat storage device 2 includes a heat pump 21 and a heat storage pool 22 , the solar heat collection device 1 is connected to the heat storage pool 22 through the heat pump 21 , and the heat storage pool 22 is connected to the heat dissipation device 4 . The heat pump uses the solar heat collector installed above the greenhouse frame as the evaporation end, absorbs solar energy and heat energy in the outdoor air during the day, and then uses the heat exchanger that comes with the heat pump and a set of water circulation pipelines for the heat pump internal fluid to link heat storage Pool, which converts heat into a thermal storage pool. It is controlled by the intelligent control system at night, and continues to collect the heat energy in the outdoor air at night according to the heating needs.

Wherein, the solar heat collecting device 1 includes a swinger 12 and a plurality of heat collectors 11, and the heat collectors 11 are arranged corresponding to the ceiling frame 5 one by one, and the plurality of heat collectors 11 are arranged along the length direction of the greenhouse, and the swinger 12 is arranged on the heat collector. The collector 11 is located at the end of the top of the roof frame 5, so as to control the swing of the heat collector 11 according to the azimuth of the sun. Wherein, as shown in FIG. 2 , the heat collector 11 includes an intermediate pipe 111 and a copper plate fin 112 connected to the intermediate pipe 111, the refrigerant liquid circulates in the intermediate pipe 111, and the copper plate fin 112 is along the radial direction of the intermediate pipe 111. 111 axial extension setting. The heat collectors are installed on the outside of the greenhouse roof frame. Each heat collector corresponds to a roof frame and is consistent with the frame shape. The top of the heat collector is connected with a swing device, so that the surface of the heat collector plate can track the position of the sun in real time. The heat collecting plate is composed of copper plate fins and intermediate pipes. The intermediate pipes circulate the refrigerant liquid R22, and the heat is transferred to the heat storage pool by the heat exchanger.

Wherein, the water supply pipeline 3 includes a water inlet pipe 31 and a water return pipe 32, the water outlet of the heat storage tank 22 is connected with the water inlet of the heat sink 4 through the water inlet pipe 31, and the water outlet of the heat sink 4 is connected with the water inlet of the heat storage tank 22. The return pipe 32 is connected. Wherein, the water inlet pipe 31 is provided with a water pump. The water supply pipeline is divided into a water inlet pipe and a water return pipe, connecting the heat storage tank and the greenhouse radiator. Turn on the water pump, and the hot water flows between the heat storage tank and the cooling device, releasing the heat into the greenhouse.

Wherein, the width of the heat collector 11 is the same as that of the ceiling frame 5 . Each heat collector has the same width as its corresponding roof frame, and while making full use of the space above the roof frame, it will not block the sunlight from entering the greenhouse, and will not affect the growth of plants.

Wherein, the heat dissipation device 4 is a heat dissipation pipe laid on the ground of the greenhouse. The cooling pipes are evenly laid on the ground of the greenhouse to ensure uniform temperature in the greenhouse.

Wherein, the warming system of the solar greenhouse of the utility model also includes a control device, the control device includes a first controller and a second controller, the first controller controls the switch of the water pump 33 and the heat pump 21, and the second controller controls the solar heat collection Device 1 and cooling device 4. The solar greenhouse warming system of the present invention controls the switch of the heat pump and the water pump through the first controller, connects the light sensor through the second controller, and uses the sensor to detect the position of the sun, thereby controlling the solar heat collector to continue to face the direction of the sun. In case of extremely cold weather, the heat collected during the day is not enough to increase the temperature of the greenhouse at night to reach the preset value, the second controller can also control the solar heat collector to continue to operate, and the refrigerant in the heat collection pipe will continue to flow after the sun sets, absorbing heat in the air. When the nighttime temperature of the greenhouse is lower than the set value, the second controller controls the cooling device to be automatically turned on to dissipate heat into the greenhouse. Enhanced intelligence and automation of the system.

In summary, the temperature increasing system of the solar greenhouse of the present invention utilizes the solar heat collecting device on the outside of the greenhouse roof frame to absorb solar energy and heat energy in the outdoor air during the day, and converts the heat energy collected by the solar heat collecting device through the heat storage device Storage, when the air temperature in the greenhouse is low at night, the heat storage device sends heat to the cooling device through the water supply pipeline, and the cooling device transfers the heat to the greenhouse, thereby increasing the temperature and solving the problem of low temperature in the greenhouse at night. Moreover, the temperature increasing system of the utility model does not need devices such as combustion, and has high utilization efficiency of solar energy and little pollution, which is beneficial to the sustainable development of modern agriculture. At the same time, the device is simple in structure and easy to install, and is suitable for large-scale development and establishment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (9)

1. a kind of temperature-increasing system of heliogreenhouse, it is characterised in that：Including solar energy heat collector, regenerative apparatus, water supply pipe And radiator, the solar energy heat collector are located on the outside of the ceiling in greenhouse and are set with the form fit of the ceiling skeleton It puts, and the solar energy heat collector is connected with the regenerative apparatus, the radiator is arranged in the greenhouse, the storage Thermal is connected with the radiator by the water supply pipe.

2. the temperature-increasing system of heliogreenhouse according to claim 1, it is characterised in that：The regenerative apparatus include heat pump and Thermal storage tank, the solar energy heat collector are connected with the thermal storage tank by the heat pump, the thermal storage tank with it is described Radiator connects.

3. the temperature-increasing system of heliogreenhouse according to claim 2, it is characterised in that：The solar energy heat collector includes Wig-wag and multiple heat collectors, the heat collector correspond to the ceiling skeleton and set one by one, and multiple heat collectors are along the temperature The length direction arrangement of room, the wig-wag is arranged at the end that the heat collector is located at the top of the ceiling skeleton, with control Heat collector orientation according to where the sun is swung.

4. the temperature-increasing system of heliogreenhouse according to claim 3, it is characterised in that：The heat collector includes intermediate conduit The copper coin fin being connected with the intermediate conduit, the interior circulation refrigerating fluid of the intermediate conduit, the copper coin fin is in described Between pipeline radially along the axially extending setting of the intermediate conduit.

5. the temperature-increasing system of heliogreenhouse according to claim 4, it is characterised in that：The water supply pipe includes water inlet pipe And return pipe, the water outlet of the thermal storage tank are connected with the water inlet of the radiator by the water inlet pipe, it is described to dissipate The water outlet of thermal is connected with the water inlet of the thermal storage tank by the return pipe.

6. the temperature-increasing system of heliogreenhouse according to claim 5, it is characterised in that：The water inlet pipe is equipped with water pump.

7. the temperature-increasing system of heliogreenhouse according to claim 3, it is characterised in that：The width of the heat collector with it is described Ceiling skeleton is of same size.

8. the temperature-increasing system of heliogreenhouse according to claim 1, it is characterised in that：The radiator is to be layed in temperature Heat-dissipating pipe on room floor.

9. the temperature-increasing system of heliogreenhouse according to claim 6, it is characterised in that：Further include control device, the control Device processed includes the first controller and second controller, and first controller controls the switch of the water pump and the heat pump, The second controller controls the solar energy heat collector and the radiator.