CN205812974U - A kind of photovoltaic heliogreenhouse - Google Patents

Abstract

This utility model relates to farm buildings technical field of structures, particularly relates to a kind of photovoltaic heliogreenhouse.Photovoltaic heliogreenhouse includes front roof and the Hou Qiang that top is connected, and the inner side of described rear wall is provided with photovoltaic electroplax, for absorbing the luminous energy being irradiated to described rear wall through front roof.Photovoltaic electroplax is arranged on the inner side of rear wall by the photovoltaic heliogreenhouse that this utility model provides, and the luminous energy of photovoltaic electroplax wall after absorption does not interferes with the illumination of greenhouse implants while being translated into electric energy.The photovoltaic heliogreenhouse that this utility model provides does not has rear roofing, can be effectively increased the illuminating area of wall after summer, increase the installed capacity of photovoltaic electroplax as much as possible.

Description

A kind of photovoltaic heliogreenhouse

Technical field

This utility model relates to farm buildings technical field of structures, particularly relates to a kind of photovoltaic heliogreenhouse.

Background technology

Heliogreenhouse is the winter vegetable production facility that northern China is important, can carry out vegetable under conditions of not heating Survive the winter production.In recent years due to China's photovoltaic production capacity surplus, photovoltaic is concentrated the problems such as power station land use index tightens up, a lot of enterprises Start then development photovoltaic greenhouse, and occur in that a collection of photovoltaic heliogreenhouse.

At present, most of photovoltaic heliogreenhouses arrange photovoltaic electroplax at heliogreenhouse front roof and constitute, can be with roofing Generating, ground plants vegetables, thus obtains the double benefit of photovoltaic generation and agricultural production.But photovoltaic electroplax light transmittance is very poor at present, The photovoltaic electroplax arranged at front roof can reduce greenhouse light transmittance at indoor formation shade.It is to affect me in view of low temperature and poor light The important bottleneck that state's Greenhouse in North produces, installing photovoltaic electroplax at heliogreenhouse front roof simply can be to heliogreenhouse light Thermal environment has undesirable effect, and causes vegetable yields and quality to decline.

Utility model content

(1) to solve the technical problem that

The technical problems to be solved in the utility model is to solve heliogreenhouse front roof in prior art to install photovoltaic electroplax Shading is serious, affects the yield of indoor cultivation vegetable and the problem of quality.

(2) technical scheme

In order to solve above-mentioned technical problem, this utility model provides a kind of photovoltaic heliogreenhouse, is connected including top Front roof and Hou Qiang, the inner side of described rear wall is provided with photovoltaic electroplax, is irradiated to described rear wall for absorbing through front roof Luminous energy.

According to this utility model, the outside of described front roof is provided with insulation quilt, thermal resistance R of described insulation quilt_FMeet relation Formula:

$R_F\≥\frac{(T_{in,\min }-T_{out,\min })L_F}{5.8(T_S-T_{in,\min })L_S-2H_W}$

In formula, H_WFor described rear wall height, L_FLength of curve, L for described front roof_SFor described heliogreenhouse span, T_in,minFor the lowest temperature, T in described heliogreenhouse_out,minFor described the heliogreenhouse outer lowest temperature, T_SFor described heliogreenhouse The soil moisture at interior underground 0.2m.

According to this utility model, described photovoltaic electroplax top meets with distance d at Hou Qiang top: d >=0.5tan θ, wherein θ For summer solstice height of the sun at noon.

According to this utility model, described rear wall is wall, thermal resistance R of wall after described insulation after insulation_WMeet relational expression:

$R_W\≥\sqrt{\frac{T_{in,min}-T_{out,min}}{2}}$

In formula, T_in,minFor the lowest temperature, T in described heliogreenhouse_out,minFor the outer lowest temperature of described heliogreenhouse.

According to this utility model, after described insulation, wall includes the steel frame being connected with front roof and is located at described steel framework Insulation material outside frame.

According to this utility model, described front roof includes bow member and is covered in the light-transmissive cover outside described bow member.

According to this utility model, described light-transmissive cover uses plastic sheeting.

According to this utility model, the ground of described heliogreenhouse has soil heating apparatus.

According to this utility model, described soil heating apparatus includes being located at the capillary bed at underground 0.3～0.8m, described Hot water it is connected with in capillary tube.

According to this utility model, also include being positioned at described heliogreenhouse side connects described rear wall and described front roof Gable, the position that described front roof, gable and described rear wall and ground are fixed is equipped with bar shaped thermal insulation foundation, and described bar shaped is protected Temperature basis includes strip footing and is located at the insulation material of described strip footing outer surface.

(3) beneficial effect

Technique scheme of the present utility model compared with prior art has the advantage that the light that this utility model provides Photovoltaic electroplax is arranged on the inner side of rear wall by volt heliogreenhouse, and the luminous energy of photovoltaic electroplax wall after absorption is translated into electric energy Do not interfere with the illumination of greenhouse implants simultaneously.The photovoltaic heliogreenhouse that this utility model provides does not has rear roofing, can be effective Increase the illuminating area of wall after summer, increase the installed capacity of photovoltaic electroplax as much as possible.

Accompanying drawing explanation

Fig. 1 is the sectional view of the photovoltaic heliogreenhouse that this utility model embodiment provides.

In figure: 1: front roof；2: rear wall；21: steel frame；22: polystyrene extruded sheet；3: photovoltaic electroplax；4: insulation quilt； 41: locating part；5: soil heating apparatus；6: bar shaped thermal insulation foundation；61: strip footing；62: styrofoam.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched The embodiment stated is a part of embodiment of the present utility model rather than whole embodiments.Based on the reality in this utility model Execute example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, all Belong to the scope of this utility model protection.

As it is shown in figure 1, a kind of photovoltaic heliogreenhouse that this utility model embodiment provides, the front room being connected including top Face 1 and rear wall 2, the inner side of rear wall 2 is provided with photovoltaic electroplax 3, for absorbing the luminous energy being irradiated to rear wall 2 through front roof 1.This reality With the photovoltaic heliogreenhouse of novel offer, photovoltaic electroplax 3 is arranged on the inner side of rear wall 2, the light of photovoltaic electroplax 3 wall 2 after absorption The illumination of greenhouse implants is not interfered with while being translated into electric energy.The photovoltaic heliogreenhouse that this utility model provides does not has There is rear roofing, the illuminating area of wall after summer can be effectively increased, increase the installed capacity of photovoltaic electroplax 3 as much as possible.

Further, in the present embodiment, the outside of front roof 1 is provided with insulation quilt 4, and the insulation quilt 4 of front roof 1 spread at night The upper surface of the whole front roof of Zhan Yu 1, and in the daytime time, need to be rolls-up onto the top of front roof 1, thermal resistance R of insulation quilt 4_FMeet Relational expression:

$R_F\≥\frac{(T_{in,\min }-T_{out,\min })L_F}{5.8(T_S-T_{in,\min })L_S-2H_W}$

In formula, H_WFor rear wall 2 height, L_FFor the length of curve of front roof 1, (i.e. front roof is in the longitudinal section vertical with rear wall 2 On the length of front roof 1), L_SSpan, T for heliogreenhouse_in,minFor the lowest temperature, T in heliogreenhouse_out,minFor sunlight The outdoor lowest temperature, T_SFor the soil moisture at underground 0.2m in heliogreenhouse.The thermal resistance of insulation quilt 4 is full with the structure of heliogreenhouse The certain relation of foot can efficiently reduce indoor thermal loss, it is ensured that the thermal environment in heliogreenhouse.

Further, in the present embodiment, photovoltaic electroplax 3 top meets with distance d at rear wall 2 top: d >=0.5tan θ, its Middle θ is summer solstice height of the sun at noon.The insulation quilt 4 of front roof 1 needs to be rolls-up onto the top of front roof 1 in the daytime time, if The top of photovoltaic electroplax 3 is too high, then roll the insulation quilt 4 at front roof 1 top and can form shade on photovoltaic electroplax 3.This reality The position that arranges executing photovoltaic electroplax 3 in example meets certain relation and prevents insulation quilt 4 to form shade on photovoltaic electroplax 3, again Photovoltaic electroplax 3 is made to absorb the light being irradiated to rear wall to greatest extent.

Specifically, after in the present embodiment, the top of wall 2 is additionally provided with vertical locating part 41, for limiting the position of insulation quilt 4 Put, prevent insulation quilt 4 from dropping.Preferably, insulation quilt 4 uses Nomex, the height of locating part 41 to be 50cm.

Further, after in the present embodiment, wall 2 is wall, thermal resistance R of wall after insulation after insulation_WMeet relational expression:

$R_W\≥\sqrt{\frac{T_{in,min}-T_{out,min}}{2}}$

In formula, T_in,minFor the lowest temperature, T in heliogreenhouse_out,minFor the outer lowest temperature of heliogreenhouse.Wall after insulation Thermal resistance meets certain relation can efficiently reduce the loss of heat in greenhouse, it is ensured that the thermal environment in greenhouse.Preferably, this reality Execute wall after being incubated in example include the steel frame 21 being connected with front roof 1 and be located at the insulation material outside steel frame 21, protect Adiabator is preferably polystyrene extruded sheet 22.

Further, in the present embodiment, front roof 1 includes bow member and is covered in the light-transmissive cover outside bow member.Preferably Ground, bow member uses steel frame to make, and bow member includes inclined plane and the arcuate surface of smooth connection, and inclined plane is connected with rear coping Connect.Length of curve L of front roof in the present embodiment_FIncluding the inclined plane of the front roof length on the longitudinal section vertical with rear wall With arcuate surface arc length sum on the longitudinal section vertical with rear wall.Specifically, the light-transmissive cover in the present embodiment can The double layer hollow that the polycarbonate plate (Polycarbonate is called for short PC plate) lasted a long time with employing or polythene material are made Plate.Plate glass light transmittance or the plastic sheeting of light transmittance more than 90% can also be used.Preferably, in the present embodiment, printing opacity covers Cap rock uses polrvinyl chloride Anti-fogging Film.

Further, in the present embodiment, the ground of heliogreenhouse has soil heating apparatus 5.Specifically, in the present embodiment Soil heating apparatus 5 includes being located at the capillary bed at underground 0.3～0.8m, is connected with hot water in capillary tube.During use, can adopt With boiler as thermal source, when the soil moisture is less than plant optimum temperature at the 0.2m of underground, starts soil heating apparatus 5 and add Heat.Soil heating apparatus 5 is set and can improve soil thermal discharge at night, thus make up the rear wall without heat accumulation function to Indoor Thermal ring The impact in border, it is ensured that the indoor thermal environment of photovoltaic heliogreenhouse in the present embodiment.

Further, wall 2 and front roof 1 after in the present embodiment, heliogreenhouse also includes being positioned at the connection of heliogreenhouse side Gable, front roof 1, gable and rear wall 2 position fixing with ground is equipped with bar shaped thermal insulation foundation 6, bar shaped thermal insulation foundation 6 Including strip footing 61 and the insulation material of being located at strip footing outer surface.Preferably, in the present embodiment, strip footing 61 is adopted Making with clay brick, the degree of depth is preferably 1m, and the outer surface of clay brick is pasted with styrofoam 62 as insulation material.The bar shaped arranged Thermal insulation foundation 6 can reduce the loss of heat in greenhouse further.

In sum, photovoltaic electroplax 3 is arranged on the inner side of rear wall 2, light by the photovoltaic heliogreenhouse that this utility model provides The luminous energy of volt electroplax 3 wall after absorption does not interferes with the illumination of greenhouse implants while being translated into electric energy.This practicality is new The photovoltaic heliogreenhouse that type provides does not has rear roofing, can be effectively increased the illuminating area of wall 2 after summer, increase light as much as possible The installed capacity of volt electroplax.After using the insulation of high thermal resistance in the present embodiment, wall 2, insulation quilt 4 and bar shaped thermal insulation foundation have 6 effect ground Decrease indoor thermal loss, soil heating apparatus 5 is set and can improve soil thermal discharge at night, thus make up without heat accumulation function The rear wall 2 impact on indoor thermal environment, it is ensured that the indoor thermal environment of photovoltaic heliogreenhouse in the present embodiment.It is truly realized light Volt generating and the combination of vegetable, obtain the benefit of photovoltaic generation on the basis of not affecting the growth of heliogreenhouse implants, Improve farmers' income further.

Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit； Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: Technical scheme described in foregoing embodiments still can be modified by it, or carries out wherein portion of techniques feature With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technology The spirit and scope of scheme.

Claims (9)

1. a photovoltaic heliogreenhouse, it is characterised in that: include front roof and Hou Qiang, the inner side of described rear wall that top is connected It is provided with photovoltaic electroplax, for absorbing the luminous energy being irradiated to described rear wall through front roof；The outside of described front roof is provided with insulation Quilt, thermal resistance R of described insulation quilt_FMeet relational expression:

In formula, H_WFor described rear wall height, L_FLength of curve, L for described front roof_SFor described heliogreenhouse span, T_in,minFor the lowest temperature, T in described heliogreenhouse_out,minFor described the heliogreenhouse outer lowest temperature, T_SFor described heliogreenhouse The soil moisture at interior underground 0.2m.

Photovoltaic heliogreenhouse the most according to claim 1, it is characterised in that: described photovoltaic electroplax top and Hou Qiang top Distance d meets: d >=0.5tan θ, wherein θ is summer solstice height of the sun at noon.

Photovoltaic heliogreenhouse the most according to claim 1, it is characterised in that: described rear wall is wall, described insulation after insulation Thermal resistance R of rear wall_WMeet relational expression:

In formula, T_in,minFor the lowest temperature, T in described heliogreenhouse_out,minFor the outer lowest temperature of described heliogreenhouse.

Photovoltaic heliogreenhouse the most according to claim 3, it is characterised in that: after described insulation, wall includes being connected with front roof The steel frame that connects and be located at the insulation material outside described steel frame.

Photovoltaic heliogreenhouse the most according to claim 1, it is characterised in that: described front roof includes bow member and is covered in Light-transmissive cover outside described bow member.

Photovoltaic heliogreenhouse the most according to claim 5, it is characterised in that: described light-transmissive cover uses plastic sheeting.

Photovoltaic heliogreenhouse the most according to claim 1, it is characterised in that: the ground of described heliogreenhouse has soil and adds Temperature device.

Photovoltaic heliogreenhouse the most according to claim 7, it is characterised in that: described soil heating apparatus includes being located at underground Capillary bed at 0.3～0.8m, is connected with hot water in described capillary tube.

Photovoltaic heliogreenhouse the most according to claim 1, it is characterised in that: also include being positioned at described heliogreenhouse side Connecting the gable of described rear wall and described front roof, the position that described front roof, gable and described rear wall are fixed with ground is equal Being provided with bar shaped thermal insulation foundation, described bar shaped thermal insulation foundation includes strip footing and is located at the insulation of described strip footing outer surface Material.