CN2852662Y

CN2852662Y - Agricultural greenhouse

Info

Publication number: CN2852662Y
Application number: CNU2005200463141U
Authority: CN
Inventors: 袁建平
Original assignee: Shanghai Wenlu Biological Science & Technology Co Ltd
Current assignee: Shanghai Wenlu Biological Science & Technology Co Ltd
Priority date: 2005-11-07
Filing date: 2005-11-07
Publication date: 2007-01-03
Anticipated expiration: 2015-11-07

Abstract

The utility model discloses an agricultural shed, which comprises a trellis, a plastic film and an air stopping wall at the both ends of the trellis. The inner wall of the shed supported by the trellis is an arc-like illuminated wall at the side of the border check where the crop is in a poor light. The ratio of the height of the illuminated wall to the width of the border check is 1:1.37. The plastic film covered on the trellis comprises a fixed plastic film member and a movable plastic film member. The fixed plastic film member is fixedly laid at the lower part of the trellis, and the movable plastic film member is movably laid at the top of the trellis. The utility model has functions of thermal insulation, atrocious weather resistance and as a maintenance of soil quality and zoology quality inside the shed, the agricultural shed is able to make the crop obtain more adequate sunlight irradiation and energy. Therefore, the rapid crop growth can be promoted in the entirety, and the output and quality of crop can be improved, the structure is simple and easy to generalize.

Description

A kind of agricultural greenhouse

Technical field

The utility model relates to agrotechnique, relates in particular to a kind of agricultural greenhouse.

Background technology

Important condition of plant growing is exactly a photosynthesis, and photosynthetic condition is exactly that sufficient sunlight and suitable temperature will be arranged.In order to control the required temperature of plant growth, people have invented the agricultural greenhouse planting technology.Generally be to adopt the mode of light a fire heating or logical caliduct to guarantee the required temperature of plant growth in the booth in the booth of winter or lower temperature environments.But the shortcoming of this booth maximum can not the nature ventilation, can not guarantee the temperature that plant growth is required by natural or ecological mode, not only influenced crop self-sow process and included nutritive value, and made the interior soil of the canopy that is under the long-term isolation natural ecological environment lose natural activity.

The sun is an inexhaustible energy depot, it is 80,000～120,000 luxs to the average illumination of the earth, and plant growing required illumination every day is 30,000～40,000 luxs, but because the absorption and the reflection of existing booth own, what can offer crop is limited, can not reach the illumination of 30,000～40,000 required luxs of plant growing.Because sunray is to cast oblique rays on to the earth with certain angle all the time, and this just inevitably makes crop one side be subjected to light, a side is backlight again.It is not enough that crop is used with abundant, a backlight sidelight cooperation by a sidelight cooperation of light, causes the plant growth deformity.

In addition, the characteristics of existing booth are that the mode by complete closed improves the temperature in the canopy, and carrying out photosynthesis for crop is warming provides heat energy and luminous energy.Owing to be in the state of sealing for a long time, the ecotope very severe in the canopy, air dirt, pernicious gas content are higher, the acid rain phenomenon occurs, finally make in the soil various microorganisms dead gradually, cause soil compaction, lose activity.That is to say that the natural ecological environment in the whole existing big livestock shed in the soil is totally destroyed.

The utility model content

Technical problem to be solved in the utility model is: a kind of agricultural greenhouse is provided, and this agricultural greenhouse had both made crop can obtain comprehensive growth of sufficient solar light irradiation and energy, promotion crop; The space is in natural ecological environment in the canopy by keeping often simultaneously, keeps soil quality and the ecological attribute of soil natural in the canopy thereby reach.

The technical scheme that the utility model technical solution problem is adopted is:

This agricultural greenhouse comprises it is characterized in that the windbreak at frame, plastic foil and frame two ends: at the plot of land side of crop that side backlight, by the booth inwall of trellis supports is the reflective wall of an arc.

Described reflective wall is made up of curved wall and the reflecting coating that is coated on the body of wall internal face.

The height of described reflective wall is 1: 1.37 with the ratio of the width of plot of land.

The plastic foil that is overlying on the frame is made of fixed plastics membrane portions and removable plastic membrane portions, and the fixed plastics membrane portions fixedly is laid on the bottom of frame, and removable moving plastic foil part is by being laid on the top of frame.

Described frame is a bow member.

Described removable plastic membrane portions segmentation continuous laying is on frame.

According to this agricultural booth that above technical scheme proposes, compare with the agricultural greenhouse of generally carrying out at present, the utlity model has following advantage:

1, by reflective wall sunshine is reflected in space in the canopy, can makes the interior soil of the canopy that is under the low temperature overall situation have the required ground temperature of plant growth, also allow the interior crop of canopy obtain enough luminous energy and heat energy, help the normal growth of crops;

2, because this booth adopts the version of controlled open and close, can tackle harsh weather such as cold current, hail, rainwater under removing in off position, also can under the normal climate condition, open in good time, allow the interior space of canopy and the interior soil of canopy that are in partial closure keep linking up with atmosphere and natural ecological environment, the largest benefit of doing like this is enough effectively to keep recovery of soil natural attribute and long-term continuity in the canopy, for overcome soil in existing a large amount of booths because of the disappearance of natural quality, cause the death of soil in the canopy, found effective way;

3, this agricultural booth can improve output and the quality of crop, and simple in structure, is beneficial to and applies.

Description of drawings

Below in conjunction with the drawings and specific embodiments, a kind of agricultural greenhouse of the utility model is described in detail:

Fig. 1 is the utility model structural representation;

Fig. 2 is the structural representation of hasp sub-assembly.

Embodiment

A kind of agricultural greenhouse as shown in Figure 1, comprise frame 1, plastic foil 2 and windbreak, described frame 1 is positioned at the top of plot of land, and be supported for robust structure via upright pole 11, the plot of land side of that side that crop 6 is backlight be provided with by frame 1 support sunshine 5 is reflexed on the crop 6, its inwall is the reflective wall 3 of arc, the inwall 31 of this reflective wall 3 scribbles reflecting coating.In actual design, both can be directly be substrate with the plastic foil of forming one with frame 1, then wall applies reflecting coating and makes within it, also can be for independently constituting reflective wall 3 by brick material or sheet material, the also reflecting coating of wall coating within it then.

In addition, consider that the width of cloth after the reflection of reflective wall 3 is penetrated influence surface, the ratio of reflective wall 3 height and the width of plot of land is preferably near 1: 1.37, and in the present embodiment, the width of plot of land is 4 meters, so the height of reflective wall is 3 meters.Two ends at frame 1 also are provided with windbreak, can keep out the canopy two ends and next cold wind, and this windbreak is the plastics windbreak of stent support.This Height of Wind Break Wall can extend upwardly to frame 1 top, also can be not as good as frame 1 top, and it is ventilated to leave the part breach between frame 1 and windbreak.

Frame 1 can be tiltedly straight, can be bow member also, in this embodiment, adopts bow member, because such version is beneficial to plastic foil 2 when coveing with, can form uniform current of warm air in the canopy.

Described plastic foil 2 is made of fixed plastics membrane portions 21 and removable plastic membrane portions 22 two parts.Plastic foil adopts such structure to be laid on frame, and being beneficial to according to temperature of shed and the outer weather conditions of canopy is crop ventilation, warming, resists harsh climate and changes.Be not cold, do not have can raise movable plastic foil, open wide booth under the good situation of hail, weather such as sunny, make the crop ventilation; Cold, rain, under the weather conditions condition of severe such as hailing, can cover with movable plastic foil, for crop is incubated, keeps off the rain, keeps off hail.

In order to increase the service life of plastic foil, four limits of fixed plastics membrane portions 21 and removable movable plastic foil 22 all are surrounded by canvas or leather.Fixed plastics membrane portions 21 fixedly is laid on the bottom of frame 1, nearly 1 meter height.22 activities of removable plastic membrane portions are laid on the top of frame 1, and its bottom fixedly is connected with the top of fixed plastics film 21, and top 222 was covered reflective wall 3 tops and was fixed on reflective wall 3 outer walls 33 by hasp sub-assembly 4.

As shown in Figure 2, described button sub-assembly 4 has rectangle button hole 42 near 1.8 meters rectangle knob 41 uniformly being installed highly at interval at reflective wall 3 outer walls in the top 222 and the knob 41 corresponding positions of removable moving plastic foil part 22.When laying removable plastic membrane portions 22 on frame 1 top, as long as removable plastic membrane portions 22 was covered the top of reflective wall 3, then rectangle button 41 is passed rectangle button hole 42, and with rectangle knob 41 half-twists with regard to passable (as shown in Figure 2).

In other embodiment, described removable plastic membrane portions 22 is laid on frame 1 top and also can adopts in the both sides of frame 1 and be provided with slide rail, removable moving plastic foil part 22 both sides be provided with can be in slide rail the assembly pulley of slide guide, assembly pulley is driven by stepper motor, and the version by temperature detect switch (TDS) and hand switch control step machine operation, this kind version can be controlled the opening and closing that dual mode is realized removable moving plastic foil part automatically by manual or temperature of shed, and the size of opening.Since the frame mode of above-mentioned stepper motor and assembly pulley and with the electric wire connected mode of temperature detect switch (TDS), hand switch, belong to that this field those of ordinary skill knows, so be not repeated here.

The utility model can also adopt other version to realize being laid on the opening and closing of the removable moving plastic foil part on the frame.Because it is very ripe that these technology have developed, so also no longer too much illustrate here, as long as can realize the functional structure form of the opening and closing of removable plastic membrane portions, all can adopt in force as required.

For the ease of laying and fixing, these removable grog membrane portions 22 segmentations adopt the activity of said structure mode to be laid on the frame 1 continuously.

Above-mentioned embodiment is exemplary, is to be restriction to the utility model protection domain in order better to make those skilled in the art can understand and implement the utility model, can not to be interpreted as; So long as according to spirit that the utility model discloses done anyly be equal to change or modify, all fall into the scope of the utility model protection.

Claims

1, a kind of agricultural greenhouse comprises it is characterized in that the windbreak at frame, plastic foil and frame two ends: at the plot of land side of crop that side backlight, by the booth inwall of trellis supports is the reflective wall of an arc.

2, a kind of agricultural greenhouse according to claim 1 is characterized in that: described reflective wall is made up of curved wall and the reflecting coating that is coated on the body of wall internal face.

3, a kind of agricultural greenhouse according to claim 1 is characterized in that: the height of described reflective wall is 1: 1.37 with the ratio of the width of plot of land.

4, a kind of agricultural greenhouse according to claim 1, it is characterized in that: the plastic foil that is overlying on the frame is made of fixed plastics membrane portions and removable plastic membrane portions, the fixed plastics membrane portions fixedly is laid on the bottom of frame, and the activity of removable plastic membrane portions is laid on the top of frame.

5, a kind of agricultural greenhouse according to claim 1 is characterized in that: described frame is a bow member.

6, a kind of agricultural greenhouse according to claim 4 is characterized in that: described removable plastic membrane portions segmentation continuous laying is on frame.