CN206212805U - Heat-pump-type temperature control green house - Google Patents

Abstract

The utility model discloses a heat pump temperature-controlled greenhouse, which comprises a shed body and a heat pump temperature adjustment device. The shed body is a frame composed of profiles, and a side wall and a top plate fixedly arranged relative to the frame. The side wall includes the masonry infrastructure in the middle and lower part and the side light-transmitting thermal insulation board in the upper part. The roof board is a plurality of transparent thermal insulation boards arranged in sequence and fixedly connected with the frame. The heat pump temperature adjustment The device includes a heat pump unit arranged outside the shed, a water storage tank communicated with the heat pump unit through pipelines, and a plurality of fan coils distributed in the shed, and the fan coils are arranged in parallel On the circulation pipeline composed of the water inlet pipe, the water return pipe and the circulation pump, the circulation pipeline is connected in series with the water storage tank. The shed body of the temperature-controlled greenhouse of the utility model adopts a frame structure, which is convenient to construct, has low cost and has high light transmittance, and is especially suitable for growing flowers and plants.

Description

Heat pump temperature control greenhouse

technical field

The utility model relates to the technical field of temperature control in a house, in particular to a heat pump type temperature-controlled greenhouse.

Background technique

Since the late 1980s, my country's livestock and poultry breeding industry has developed rapidly, and the scale, breeding methods and distribution areas of livestock and poultry breeding have undergone tremendous changes. It is the temperature control of livestock and poultry breeding. In order to achieve the best growth of pigs, chickens and other livestock and poultry, the temperature in the livestock house must be controlled within a certain range. In the case of modern large-scale farming, boiler coal-fired heating is generally used, which leads to problems such as energy waste and environmental pollution. How to effectively use energy and combine it with agriculture, especially the cultivation of delicate plants, to explore a The new direction of livestock and poultry breeding has become an urgent problem to be solved.

Contents of the invention

The purpose of the utility model is to provide a heat pump type temperature-controlled greenhouse aiming at the technical defects existing in the prior art.

The technical scheme adopted for realizing the purpose of this utility model is:

A heat pump temperature-controlled greenhouse, comprising a greenhouse body and a heat pump temperature adjustment device,

The shed body consists of a frame made of profiles, and a side wall and a roof that are fixedly arranged relative to the frame. It is a plurality of light-transmitting insulation boards arranged in sequence and fixedly connected with the frame,

The heat pump temperature adjustment device includes a heat pump unit arranged outside the shed, a water storage tank connected to the heat pump unit through pipelines, and a plurality of fan coils distributed in the shed. The fan coil unit is arranged in parallel on a circulation pipeline composed of a water inlet pipe, a water return pipe and a circulation pump, and the circulation pipeline is connected in series with the water storage tank.

A pig house and a chicken house are respectively arranged on both sides of the shed body, and a fan coil connected with the circulation pipeline is respectively arranged in the pig house and the chicken house.

Both ends of the aisle between the shed body and the pig houses and chicken houses on both sides are blocked to form a sump, and at least one sump connected to the sump through pipelines is arranged in the shed body , A submersible pump is arranged in the sump to supply water for the irrigation pipeline in the shed.

The fan coil unit is arranged at the middle and upper part of the side wall of the temperature-controlled greenhouse.

The pipeline is deeply buried underground in the shed body, and a hard outer tube is set outside the pipeline outside the shed, and the inside of the pipeline and the outer tube is filled with thermal insulation materials.

An electric heating band is wound on the pipeline outside the temperature-controlled greenhouse and not deeply buried, and the outer side of the electric heating band is covered with thermal insulation materials. The heat pump unit is provided with an ambient temperature sensor, and the electric heating band is connected to the The heat pump unit is electrically connected as described above.

Two parallel circulation pumps are arranged on the circulation pipeline to work alternately.

The heat pump unit is a carbon dioxide source unit or an air source heat pump unit.

The outer wall of the water storage tank is a steel structure, and a temperature sensor and an electric heater are arranged in the water storage tank.

The roof of the shed body is a slope, and the fan coil unit is arranged on one side of the high side wall.

Compared with the prior art, the beneficial effects of the utility model are:

The shed body of the temperature-controlled greenhouse of the utility model adopts a frame structure, which is convenient for construction, low in cost and has high light transmittance, and is especially suitable for the growth of flowers and plants. Sliding windows are provided, and exhaust fans are provided at the opposite ends for forced exhaust of hot air to achieve a cooling effect. The fan coil unit in the temperature-controlled greenhouse is mainly used for heat preservation in winter and cooling in summer when overheating. The combination of the two can effectively ensure the diversity and flexibility of control, and realize the production needs of different plant types and different growth cycles.

Description of drawings

Fig. 1 shows the structural representation of the heat pump type temperature regulating device of the present utility model;

Figure 2 shows a schematic diagram of the local structure of the barn.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1 and 2, the heat pump temperature-controlled greenhouse of the present invention includes a shed body 1 and a heat pump temperature adjustment device,

The shed body consists of a frame made of profiles, and a side wall and a roof that are fixedly arranged relative to the frame. It is a plurality of light-transmitting insulation boards arranged in sequence and fixedly connected with the frame,

The heat pump temperature adjustment device includes a heat pump unit arranged outside the shed, a water storage tank connected to the heat pump unit through pipelines, and a plurality of fan coil units 2 distributed in the shed. The fan coil unit is arranged in parallel on the circulation pipeline formed by the water inlet pipe, the return pipe and the circulation pump, and the circulation pipeline is connected in series with the water storage tank 3 . Wherein, the roof of the shed body is a slope, and the fan coil unit is arranged on one side of the high side wall.

Preferably, a pig house and a chicken house 20 are respectively arranged on both sides of the shed body 10, the water storage tank is arranged on the piglet side of the pig house, and the pig house and the chicken house are respectively provided with the The fan coil unit connected by the circulation pipeline. The circulation pipeline is provided with two parallel circulation pumps to work alternately, that is, in order to prevent one of them from being damaged due to too long working time, it needs to be switched regularly to ensure effective and stable operation, that is, the water outlet of the circulation pump is connected in parallel with three The temperature control pipelines are respectively supplied to pig houses, chicken houses and temperature-controlled greenhouses, and the heat pump unit is a carbon dioxide source unit or an air source heat pump unit.

The shed body of the temperature-controlled greenhouse of the utility model adopts a frame structure, which is convenient for construction, low in cost and has high light transmittance, and is especially suitable for the growth of flowers and plants. Sliding windows are provided, and exhaust fans are provided at the opposite ends for forced exhaust of hot air to achieve a cooling effect. The fan coil unit in the temperature-controlled greenhouse is mainly used for heat preservation in winter and cooling in summer when overheating. The combination of the two can effectively ensure the diversity and flexibility of control, and realize the production needs of different plant types and different growth cycles.

The utility model adopts heat pump technology to control the temperature of livestock houses and greenhouses. Because the heat pump system has high heating efficiency and cooling coefficient, the energy utilization rate is effectively improved, and the use of electric energy avoids fuel combustion and emission. No pollution, truly realize high efficiency, energy saving, green environmental protection. Through the new energy technology, the energy-saving effect during the operation period can be improved, the operating cost of the system can be reduced, and the foundation for the clean replacement rate of scattered coal to reach 90% is provided. Moreover, through the popularization plan of clean alternative technology for scattered coal, the special transformation of scattered coal combustion is implemented in a targeted manner to improve the quality of the atmospheric environment. At the same time, in areas that cannot be covered by the central heating system, heat pumps are used to replace the original coal-fired and oil-fired boilers, which is conducive to the implementation of the government's energy-saving and emission-reduction policies. Secondly, the heat pump system does not require a special machine room, saves space resources, the equipment is easy to operate, the operation and maintenance costs are low, and it does not require special personnel to take care of it, which has certain economic benefits.

In order to improve rainwater collection and improve the use effect of water resources, the two ends of the aisle between the shed body and the pig houses and chicken houses on both sides are blocked to form a water collection tank. The sump is connected to at least one sump through pipelines. A submersible pump is arranged in the sump to supply water to the irrigation pipeline in the shed. The irrigation pipeline in the shed is pre-buried and can be sprayed or watered. In various ways, a water collection pool is set in the shed to increase the utilization rate of rainwater while maintaining good humidity in the shed. At the same time, it can ensure that the temperature of the spraying or irrigation water is close to the ambient temperature in the shed, avoiding bad water caused by watering. And also can adopt the mode of injecting water in non-rainy season.

The method of centralized setting of temperature-controlled greenhouses and livestock houses expands the diversified development, especially suitable for the use of tourist farms, realizes the unified supply of energy, and realizes the transformation of organic matter, and can realize the direct use of organic fertilizer after treatment. , while ensuring a certain supply of meat and eggs to meet the harmonious development of regional small-scale economies. The temperature-controlled greenhouse is used to flexibly control its temperature, and various delicate plants can be cultivated in the greenhouse to develop tourism benefits and increase economic output. At the same time, the temperature-controlled greenhouse separates the pig house from the chicken house to avoid noisy effects, and it is also beneficial to purify the air and avoid stench.

Specifically, the fan coil unit is arranged at the middle and upper part of the side walls of the livestock house and the high side wall side of the shed body of the temperature-controlled greenhouse. The fan coil unit is fixedly connected with the side wall and the tripod fixing frame 21 on both sides of the sub-office, and the tripod fixing frame is arranged on the upper part of the fan coil unit. In the temperature-controlled greenhouse, the fan coil is installed on one side, and the water collection tank is installed on the other side, so as to use the large specific heat capacity of water to achieve temperature control and reduce infrastructure costs. Hoisting fixed, reducing the lower space occupation. For pig houses, in winter, fan coil units are used to adjust the air temperature, which can meet the temperature needs of most pigs. For a small number of piglets or sows, they can be concentrated near the heat storage tank or use large-scale ventilation in individual areas. The fan coil unit with high density and centralized air outlets realizes a local warm area or a local low temperature area, and uses the heat emitted by the heat storage tank or the regional high wind supply to realize its warming demand, effectively solves the current problem, and realizes temperature balance.

Wherein, the pipeline is buried deep underground in the outer part of the livestock house and the shed, and a hard outer tube is set outside the pipeline in the outer part of the livestock house and the temperature-controlled greenhouse. The inside of the pipe is filled with heat-insulating material, and an electric heating band is wound on the pipeline outside the livestock house and the temperature-controlled greenhouse and not deeply buried, and the outer side of the electric heating band is covered with heat-insulating material. There is an ambient temperature sensor, and the electric heating band is electrically connected to the heat pump unit. Through deep burial and the use of electric heating tape, it can effectively avoid freezing in the pipeline during downtime, improve its adaptability to harsh environments, and at the same time effectively prevent heat loss and ensure its effective working state. Moreover, the support of the hard outer tube avoids pipeline rupture due to rolling and the like.

Among them, in order to ensure the smooth operation of the equipment, the heat pump unit is fixedly installed on the reinforced concrete base, and the reinforced concrete base is two parallel and spaced loading platforms, and the heat pump unit is arranged on the loading platform to effectively avoid working noise. Passed into the livestock house to avoid disturbing its growth, the pipeline goes deep into the ground through the gap between the platforms. The base support is used to effectively prevent the impact caused by settlement, and the pipeline is directly inserted into the ground in the middle of the carrier platform to improve the safety of the equipment and avoid collisions with motor vehicles.

Wherein, the outer wall of the water storage tank is a steel structure, the bottom of the water storage tank is provided with a sewage outlet, the middle and upper part is provided with a water inlet connected to the water outlet of the heat pump unit, and the middle and lower part is provided with a water inlet connected to the heat pump unit. A water outlet connected to the water port. The water storage tank can store the high-temperature water or low-temperature water treated by the heat pump unit and send the high-temperature water or low-temperature water to various areas through the circulation pipeline to realize integral temperature control. A temperature sensor and an electric heater are installed in the water storage tank. When the temperature is low, the motor heater can be directly started for auxiliary heating. The bottom is provided with a heat conduction plate 31 with a convex cross-section, and the lower part of the heat conduction plate is buried shallowly or laid with a backing plate. That is to provide a temperature-controlled pig bed to effectively meet the temperature needs of different individuals.

In order to improve the use of light resources, especially in places with abundant light resources during the day, the high-temperature heat storage mechanism includes a vacuum insulation tank connected to the water storage tank through a heat storage branch pipe, and is arranged in the vacuum insulation tank High-efficiency heat storage liquid; such as water, heat transfer oil, etc., and a heat exchange coil arranged in the vacuum insulation tank and communicated with the heat storage branch pipe. Wherein, the heat storage branch pipe is bypassed to the pipeline, and a solenoid valve is installed on the pipeline after the access point. Through the corresponding opening control of the solenoid valve, different flow distribution between the two can be realized, and the When the external temperature is relatively high and the sunlight is good, the heat generated by the heat pump and the electric energy generated by photovoltaics are relatively high at this time, which are stored in the form of heat in a vacuum insulation tank. When the external temperature is low at night, the vacuum insulation is used The heat in the tank supplements the heat pump to prevent the temperature from being too low and reduce the use of electric energy.

Specifically, a temperature sensor connected to the heat pump is installed in the vacuum insulation tank. Through temperature sensing, the amount of circulating water that needs to be added to the heat pump and the water storage tank can be calculated to realize the storage or acquisition of heat in the vacuum insulation tank. That is, as shown in the figure, the vacuum insulation tank is connected to the outlet pipe of the heat pump pipeline through the inlet pipe of the heat storage branch pipe provided with the first electromagnetic valve, and at the same time, the second electromagnetic valve is arranged at the rear of the connection point of the outlet pipe , the vacuum insulation tank is connected to the return pipe of the heat pump through the return pipe of the heat storage branch pipe. For the front, downstream for the rear.

Through the adjustment of the coordination of the two solenoid valves and the use of the heat circulation pump, the distribution of the circulating water of the heat pump can be effectively realized. When the external temperature is high, the heat pump generates more heat, and part of the heat energy can be transferred to the vacuum in the form of circulating water. The liquid in the adiabatic tank is heated and stored. At the same time, due to the diversion of circulating water, the actual circulating water volume in the water storage tank is reduced, which can control its temperature from being too high, that is, it can run at full load for heat storage at high outdoor temperatures without causing energy storage. Tank temperature is too high. When the external temperature is low, in order to ensure the temperature in the water storage tank, the heat of the vacuum insulation tank is controlled by the solenoid valve to participate in the large cycle, so as to realize the supplement of heat and improve the overall efficiency.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these Improvement and retouching should also be regarded as the protection scope of the present utility model.

Claims (10)

1. A heat pump type temperature-controlled greenhouse, characterized in that, comprising a shed body and a heat pump type temperature regulating device, The shed body consists of a frame made of profiles, and a side wall and a roof that are fixedly arranged relative to the frame. It is a plurality of light-transmitting insulation boards arranged in sequence and fixedly connected with the frame, The heat pump temperature adjustment device includes a heat pump unit arranged outside the shed, a water storage tank connected to the heat pump unit through pipelines, and a plurality of fan coils distributed in the shed. The fan coil unit is arranged in parallel on a circulation pipeline composed of a water inlet pipe, a water return pipe and a circulation pump, and the circulation pipeline is connected in series with the water storage tank. 2. The heat pump type temperature-controlled greenhouse according to claim 1, wherein a pig house and a chicken house are respectively arranged on both sides of the shed body, and the pig house and the chicken house are respectively provided with the The circulating pipeline connected to the fan coil unit. 3. The heat pump type temperature-controlled greenhouse as claimed in claim 2, characterized in that, the two ends of the aisle between the shed body and the pig houses and chicken houses on both sides are blocked to form a water collection tank, and in the At least one sump is arranged in the shed to communicate with the sump through pipelines, and a submersible pump is arranged in the sump to supply water for the irrigation pipeline in the shed. 4. The heat pump type temperature-controlled greenhouse according to claim 3, wherein the fan coil unit is arranged at the middle and upper part of the side wall of the temperature-controlled greenhouse. 5. The heat pump temperature-controlled greenhouse as claimed in claim 2, characterized in that, the pipeline is deeply buried underground in the greenhouse part, and a hard outer pipe is set outside the pipeline outside the greenhouse, The inside of the pipeline and the outer tube is filled with thermal insulation material. 6. The heat pump temperature-controlled greenhouse as claimed in claim 4, characterized in that, an electric heating band is wound on the pipeline outside the temperature-controlled greenhouse and not deeply buried, and the outer side of the electric heating band is covered with a thermal insulation material, The heat pump unit is provided with an ambient temperature sensor, and the electric heating band is electrically connected to the heat pump unit. 7. The heat pump temperature-controlled greenhouse according to claim 1, characterized in that two parallel circulation pumps are arranged on the circulation pipeline to work alternately. 8. The heat pump temperature-controlled greenhouse according to claim 1, wherein the heat pump unit is a carbon dioxide source unit or an air source heat pump unit. 9. The heat pump temperature-controlled greenhouse according to claim 2, wherein the outer wall of the water storage tank is made of steel, and a temperature sensor and an electric heater are arranged in the water storage tank. 10. The heat pump temperature-controlled greenhouse according to claim 8, characterized in that, the roof of the greenhouse is sloped, and the fan coil unit is arranged on one side of the high side wall.