CN2682810Y - Stepped multispan glass greenhouse - Google Patents

Abstract

The utility model discloses a stepped terrace glass greenhouse. The technical proposal of the utility model mainly comprises the glasshouse structure is of east-west trend and north-south continuous spanning, and each span is an unsymmetrical roofing with big southern dome and small northern dome. The northern wall of the glasshouse is provided with a damp curtain (5), and the southern wall of the glasshouse is provided with a blower(8). The utility model is characterized in that the roofing is in gradually lifting ladder shape from the southern spanning to the northern spanning; the ground clearance altitude of the lower edge of the damp curtain (5)of the northern wall is more than 2. 2 meters; three to five spans are arranged in the north-south direction of the glasshouse, the ridge height of southern spanning is 5-6 meters, the span of each spanning is 8-12 meters, the included angle of southern dome of each spanning and a horizontal plane is 20-30 degrees, and the included angle of the northern dome and the horizontal plane is 30-40 degrees. The utility model has the advantages of high light transmittance, small shaded area rate, even illumination distribution and low shading rate in winter, and the stepped terrace glass greenhouse is good for the overwintering high production cultivation of thermophile and photophilic green crop of amphisarca class, with reasonable installation of the damp curtain, the stepped terrace glass greenhouse can completely satisfy the environmental requirement of the actual growing space of long-season over-summer crop.

Description

Stairstepping connects a glass greenhouse

Technical field

The utility model relates to a kind of stairstepping and connects a glass greenhouse, and this greenhouse is applicable to controllable environment, anniversary and the long season production of horticultural crop (vegetables, flowers, fruit tree etc.).

Background technology

At present, China's facilities horticulture area has surpassed 1,330,000 hectares, and the greenhouse area is 26.7 ten thousand hectares, surpasses 50% of greenhouse, whole world area, becomes genuine industrialized agriculture big country.Since the end of the seventies in last century, successively introduced hectare surplus all kinds of large-scale attached-greenhouses 60 of developed country.Through " the Seventh Five-Year Plan ", " eight or five ", the particularly enforcement of the great scientific and technological industry engineering of " 95 " national factory farming, China's independent development hectare surplus the attached-greenhouse 200 of various ways such as " North China type ", " South China type ", " East China type ", " intelligent ".Large-scale attached-greenhouse, land utilization rate can improve more than 40%, and the space is big, be convenient to mechanized, has productivity and bigger productive potential preferably.But the subject matter that the present attached-greenhouse of China exists is: 1. general illumination in winter wretched insufficiency has influenced the production of surviving the winter of melon-fruit-like vegetable crop.Simultaneously, the most of region temperature annual amplitude of China exceeds about 12 ℃ than same latitude area again, sweltering heat in summer, winter cold, abominable natural climate condition has restricted that China melon-fruit-like vegetable crop survives the winter or the long season high-yield culturing in summer more.Compare with world developed country, the annual production in unit are greenhouse only is 40% of developed country's output; 2. the wet curtain blower fan cooling system of attached-greenhouse setting is cultivated though can satisfy the summer more of general crop substantially, and unreasonable because of the locus, its air current composition often can not satisfy the environmental requirement that long season is got over the actual growing space of summer crop.

The utility model content

The purpose of this utility model will provide a kind of novel stairstepping to connect a glass greenhouse structure exactly, makes the light transmittance height of greenhouse roofing, the rate of shading area is low, illumination patterns is even, cooling in summer is respond well.

Mainly comprise for reaching the technical scheme that the purpose of this utility model takes: greenhouse structure is east-west, north and south connects and strides, respectively stride asymmetric roofing into domatic, the little north slope face of Da Nan, the greenhouse north wall is equipped with wet curtain 5, Nan Qiang is equipped with blower fan 8, it is characterized in that, be cross over north from south and stride, roofing is the stairstepping that raises gradually.

Above-mentioned stairstepping connects in the glass greenhouse, and the wet curtain 5 lower limb terrain clearances of north wall are more than 2.2 meters, 1.6～1.8 meters of wet this heights of curtain.

Above-mentioned stairstepping connects in the glass greenhouse, and north and south has three to five to stride, and south strides that ridge is high 5～6 meters, and respectively span is 8～12 meters, respectively stride south domatic with horizontal plane angle be 20～30 °, north slope face and horizontal plane angle are 30～40 °.In 30～45 ° of areas of north latitude, south is domatic can to obtain bigger light transmittance and ridge, north slope face, the less shaded area rate of gutter.

Above-mentioned stairstepping connects in the glass greenhouse, and blower fan 8 is uniform with 4 meters spacings, and its lower limb terrain clearance is 0.8 meter.

The utility model is compared with an existing glass greenhouse that connects, and has following advantage:

1. the asymmetric roofing of domatic, the little north slope face of Da Nan, the positive period of the day from 11 a.m. to 1 p.m in Winter Solstice, ridge, room with a southern exposure face become hacures with gutter, help increasing the greenhouse light transmittance, reduce the shaded area rate, and illumination patterns is even.

2. respectively striding north slope face angle is 30～40 °, even in Winter Solstice of sun altitude minimum, what greenhouse internal cause roofing frequency modulated light produced also is linear shadow; Add the high stairstepping in low north, south, make whole greenhouse can both obtain sufficient illumination, can not produce south stride the room with a southern exposure face stride in blocking a room with a northern exposure face, in stride the room with a southern exposure face and block north and stride the phenomenon of shading mutually between respectively the striding of a room with a northern exposure face, so just greatly reduce the greenhouse rate of shading in winter, the melon-fruit-like vegetable crop that helps liking temperature, the happiness light high-yield culturing of surviving the winter.

3. the wet curtain lower limb terrain clearance of north wall is more than 2.2 meters, 1.6～1.8 meters of wet this heights of curtain, and the installation site of wet curtain exceeds much in the general greenhouse.The greenhouse air velocity distribution of Xing Chenging helps forming lower temperature field like this.Through test, the locus of 2.5 meters height in the greenhouse, whole greenhouse is under shading condition not, and the maximum air temperature in summer is no more than 32 ℃.The wet rational locus of curtain blower fan cooling system has guaranteed the excellent environment in crop growth space to satisfy the environmental requirement that long season is got over the actual growing space of summer crop fully.

Description of drawings

Fig. 1 connects the schematic side view of a glass greenhouse for the utility model stairstepping.

Specific embodiment

Below in conjunction with Fig. 1 this stairstepping being connected a glass greenhouse is elaborated.

As shown in Figure 1, present embodiment is that three straddle types connect a glass greenhouse, and among the figure, 1 for striding in the south in greenhouse, 2 stride in being, 3 for striding in north, and it is high 5～6 meters that 1 ridge is striden in south, respectively span is 8～12 meters, and respectively striding south domatic and horizontal plane angle is 20～30 °, and north slope face and horizontal plane angle are 30～40 °; 4 for being installed in the skylight of respectively striding the ventilation of little north slope face; 5 for being installed in the wet curtain on the north wall, and its lower limb terrain clearance is more than 2.2 meters, 1.6～1.8 meters of wet 5 heights of curtain; 6 for being installed in the side window that ventilates on east, the Western Hills wall; 7 is the basis in greenhouse; 8 for being installed in the blower fan on the Nan Qiang, and the lower limb terrain clearance of blower fan 8 is 0.8 meter, and blower fan is uniform with 4 meters spacings.The greenhouse all adopts glass as cladding material except that basis 7 and north wall.

Can adopt soil or soilless culture mode, at gardening plants such as above-mentioned three attached-greenhouse planting vegetables, flowers, fruit trees.Get over when cultivation in summer when plant carries out long season, because glass light transmittance height, temperature is higher in the summer greenhouse, when temperature is higher than 27 ℃, opens side window 6, roof window 4 and blower fan 8, by ventilation method reduction indoor temperature; When temperature continue to raise, close side window 6 and roof window 4, open water pump, flow back to again after allowing water in the tank by wet curtain 5, recycle.Wet curtain 5 has very big evaporite ratio surface area.When the fan operation exhausting, form negative pressure in the greenhouse, force outdoorly do, hot-air is during by wet curtain, a large amount of water evaporates in the wet curtain makes airborne sensible heat become latent heat, thereby reduces the temperature of air self.Thus, Cryogenic air is constantly lowered the temperature through the plant growth canopy by wet curtain in a steady stream, after blower fan is discharged outdoor.Because the utility model wetting shade in greenhouse lower limb terrain clearance is more than 2.2 meters, 1.6～1.8 meters of wet this heights of curtain, the locus of 2.5 meters height in the greenhouse, whole greenhouse is under shading condition not, the maximum air temperature in whole summer is no more than 32 ℃, satisfies the environmental requirement that long season is got over the actual growing space of summer crop fully.When plant carries out the long season overwintering cultivation, because glass light transmittance height; It is reasonable respectively to stride north slope face angle design, even in Winter Solstice of sun altitude minimum, the shade of the ridge in greenhouse, north slope face, gutter is overlapped into a very narrow shadow band; Add the high stairstepping in low north, south, make whole greenhouse can both obtain sufficient illumination, can not produce the phenomenon of shading mutually between respectively striding, the melon-fruit-like vegetable crop that the rate of shading that so just greatly reduces greenhouse winter helps liking temperature, the happiness light high-yield culturing of surviving the winter.

The utility model is mainly used in controllable environment, anniversary and the long season production of horticultural crop (vegetables, flowers, fruit tree etc.), and the melon-fruit-like vegetable crop of particularly happiness temperature, happiness light survives the winter or gets over long season, the cultivation of annual high-yield flat in summer.

It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (4)

1, a kind of novel stairstepping connects a glass greenhouse, comprise: greenhouse structure is east-west, even stride in north and south, respectively stride asymmetric roofing into domatic, the little north slope face of Da Nan, the greenhouse north wall is equipped with wet curtain (5), Nan Qiang is equipped with blower fan (8), it is characterized in that, be cross over north from south and stride that roofing is the stairstepping that raises gradually.

2, stairstepping according to claim 1 connects a glass greenhouse, it is characterized in that the lower limb terrain clearance of the wet curtain (5) of north wall is more than 2.2 meters.

3, stairstepping according to claim 1 and 2 connects a glass greenhouse, it is characterized in that north and south, greenhouse has three to five to stride, it is high 5～6 meters that ridge is striden in south, respectively span is 8～12 meters, and respectively striding south domatic and horizontal plane angle is 20～30 °, and north slope face and horizontal plane angle are 30～40 °.

4, stairstepping according to claim 1 and 2 connects a glass greenhouse, it is characterized in that blower fan (8) is uniform with 4 meters spacings, and its lower limb terrain clearance is 0.8 meter.