CN1199555C - Single or double layer suspending air room thermal insulation greenhouse film and mold - Google Patents
Single or double layer suspending air room thermal insulation greenhouse film and mold Download PDFInfo
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- CN1199555C CN1199555C CNB001184113A CN00118411A CN1199555C CN 1199555 C CN1199555 C CN 1199555C CN B001184113 A CNB001184113 A CN B001184113A CN 00118411 A CN00118411 A CN 00118411A CN 1199555 C CN1199555 C CN 1199555C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The present invention relates to a thermal insulation shed film with a single layer or double layers for a suspension air chamber and a mold thereof. The shed film is composed of an upper suspension air chamber, a lower suspension air chamber, an upper layer film, a lower layer film, and a separating film. The shed film is formed by one-time blowing molding. The mold is formed by that a middle mold body is fastened between an upper mold body and a lower mold body by an adjusting bolt which is used for regulating gaps of the mold bodies to realize the thickness of the film layers. The skin layer of the structure of the thermal insulation shed film is a tensional thick film which can bear the direct damage of external environment and negative effect brought by adverse climate, the lower layer film and the separating film are thin, and the relative area of the lower layer film and the separating film is larger than that of the upper layer film; thereby, parallel suspension air chamber structures which are naturally overhung are formed. When an overhanging part opens to a certain opening degree, the air pressure is in relative balance, and the thickness and the thermal insulation performance of the air layer keep stable.
Description
One, technical field:
The present invention relates to a kind of suspending air room thermal insulation greenhouse film and mould thereof, belong to the culture technique field of gardening, vegetables, flowers, marine alga.
Two, background technology:
Existing universal all kinds of greenhouses all adopt individual layer canopy film to add covering Pu curtain (cotton-wadded quilt, straw screen or mat) and are incubated, heat insulation effect is better, put the Pu curtain respectively once but need roll up every day, act without fail, this work is the most numerous and diverse thing of vegetable grower, especially easily form harm in wind, rain, snow sky, the bilayer inflation canopy film of being promoted by Langfang Ninth Heaven agricultural engineering company (hereinafter to be referred as aerated film) can overcome these deficiencies effectively recently.Its principle be aerating device is connected that heat-insulation layer (airflow layer) is kept in power supply continuous charge in the middle of the aerated film thus thickness realize that no obducent gas-bearing formation is incubated.And heat insulation effect is better.But the problem that exists is that aerated film is had relatively high expectations to the air-tightness of material, when mounted to scaffolding structure and required precision strictness, whenever a certain partially perforation of inflating film body will directly influence its heat-insulating property.Secondly promoting has certain limitation, and in China rural area, it is convenient that power supply can not resemble city, the factory, and aerating device power supply nearby uses, and needs night every day continuous charge consume a certain amount of electric energy and realizes insulation.Like this, be inconceivable with the result that accidental power failure or electric utility fault cause night in midwinter.
Three, summary of the invention:
The objective of the invention is at the deficiencies in the prior art, design and need not conventional covering; Need not the repetition bookkeeping; Need not power consumption; Need not a kind of suspending air room thermal insulation greenhouse film and the mould thereof of aerating device.
The objective of the invention is to take following measure to realize:
A kind of suspending air room thermal insulation greenhouse film and mould, wherein the feature of single, double layer suspending air room thermal insulation greenhouse film is:
1. double-deck outstanding air chamber canopy film: upward outstanding air chamber is made of upper layer film and barrier film, and following outstanding air chamber is made of barrier film and lower membrane, the outstanding up and down air chamber of independence that double-deck several the mutual dislocation of fabric width b apportion are crosslinked;
2. the outstanding air chamber canopy film of individual layer: outstanding air chamber is made of upper layer film, barrier film and lower membrane, the outstanding air chamber of fabric width b apportion individual layer several, gas pay thickness can be shown the width of barrier film.
3. mould: middle die body is positioned between upper die body and the lower mold body by regulating bolted, regulate the thickness that the size in die body gap realizes rete by regulating bolt, the major ingredient runner is arranged, the homocline road is arranged on every side in the bottom of mould, in the middle of middle die body the distribution duct being arranged, is air distribution hole in its outer end.
Can the outstanding gas canopy film product of disposable blow molding manufacturing by this mould.
Single, double layer suspending air room canopy film is a blow molding.
The width of each outstanding air chamber unit is 100～350 millimeters.
Distance is 20～200 millimeters to the insulation gas pay thickness from top layer to bottom.
The total fabric width of canopy film is 5～15 meters.
Outstanding air chamber upper epidermis is a tensioning type thick film; Its thickness is 0.06～0.2 millimeter.
Canopy film of the present invention can be used with conventional greenhouse and all kinds of multi-functional greenhouse or other greenhouse canopy body.
The present invention has made full use of the characteristics of air dielectric, and the section structure of plastic greenhouse film is designed to a kind of structure with the outstanding air chamber of individual layer (two film lists every) and double-deck outstanding air chamber (two films pair every).It is crosslinked that outstanding air chamber unit keeps individual layer crosslinked or double-deck dislocation arranged side by side in this structure, the width of each outstanding air chamber unit is 100～350 millimeters, being the nature overhang after outstanding air chamber opens forms and to have the single, double layer suspending air room thermal insulation gas-bearing formation of good stability and keep all the time, promptly distance is 20～200 millimeters to this insulation gas pay thickness from top layer (extexine) to bottom, the total fabric width of canopy film can be 5～15 meters, and length will be according to the structure section production of infinitely postponing.
Structure of the present invention is special, the fabric width broad, and the effect difference of every layer film, the thickness difference, the width interval difference, and need produce continuously.Therefore, the main body that is used for producing blow mold of the present invention is by upper die body, and middle die body and lower mold body are formed.Gap between each die body can be regulated, and promptly can regulate and control the thickness of each tunic, and the moulding of single, double layer suspending air room and basic size are mainly controlled by middle die body.In the stream stockline (mouth) of each outstanding air chamber unit and distribution road independence apportion and take their own roads in the die body structure.Imitate configuration thereby rationally separate gentle being pressed with between the outstanding air chamber in each unit of finishing single, double layer suspending air room canopy film, the present invention is added by raw material hot-extrudablely rete and outstanding thickness of gas are rationally regulated and realize that the performance requirement of product carries out a blow molding through mould.
Effect of the present invention:
The present invention through the design people in September, 99 two places so far experimental field on probationly among a small circle draw following result:
1, have good heat-insulating property: with 2 000 on March 6, be example, the gas-bearing formation gross thickness only was 10 millimeters of equal thick less thaies at that time, its effect according to Pu curtain cover part is identical with it, outdoor minimum temperature-17 ℃, be minimum 0 ℃ in two greenhouses, can be more superior if the gas-bearing formation gross thickness is increased to 20～200 millimeters its heat insulation effects.
2, the new monofilm of daylighting effect is poor slightly, but monofilm is put the Pu curtain because of volume and cut and spot take place can be influenced its lighting performance and make close between the two, and outstanding air film can be overcharged the all-weather scattering light source that covered beyond the Pu curtain time by monofilm and does additional, thereby outstanding air film can satisfy the photosynthesis effect of crop, also confirmed this point in process of the test.
3, the present invention can be connected use mutually with the scaffolding structure of conventional greenhouse and all kinds of multi-functional greenhouse or other insulation canopy body.
4, cost cost of the present invention has only conventional Pu curtain to cover 90% of greenhouse
And can save the labor wage that every day volume is put the Pu curtain, and save all kinds of body of wall expenses in greenhouse and body of wall is shared and shading light part soil effective area, improve land utilization rate more than 30%.The ability that has higher wind resistance, rain, snow disaster evil than conventional Pu curtain greenhouse.
5, cost of the present invention is compared with aerated film and is had only 1/5th.That is: 2 yuan/meter of the present invention (double-deck outstanding air film)
2The aerated film quotation 10-12 unit/rice of Langfang Ninth Heaven company
2, use the present invention can save used aerating device of aerated film and the power consumption of every day.
6, the present invention is after installing, the deadweight of canopy film will be hanged air chamber and be opened and be the single, double layer suspending air room thermal insulation gas-bearing formation that the nature overhang just can form good stability and keep all the time, can't be because of the damaged perforate in certain layer of somewhere influence its heat-insulating property, aerated film is quite different.
7, the extent of spreading amd application of the present invention can be the place of any suitable agricultural planting, can improve the pattern of farming of former revolutionary bases, minority-inhabited areas, frontier areas and poverty-stricken areas.
8, the present invention makes the plantation extension of limitation in arable land because of its good heat insulation effect, implements the production of all-weather high-efficiency agriculture, has improved the reasonable availability of land resources better.
Many advantages of outstanding in sum air film, suit fully China develop the great Northwest at present and concede the land to forestry develop eco-agriculture, the growth requirement of a series of policies of high-efficiency agriculture, be a kind of green foundation stone that can make China's agricultural realize sustainable development path.
Four, accompanying drawing and drawing explanation:
Fig. 1 is the double-deck outstanding air chamber canopy membrane structure schematic diagram of the present invention;
Fig. 2 is the outstanding air chamber canopy membrane structure schematic diagram of individual layer of the present invention;
Fig. 3 is blow molding mould cutaway view of the present invention.
Below in conjunction with accompanying drawing the invention process is described in further detail:
Fig. 1 is the double-deck outstanding air chamber canopy film of the present invention, wherein going up outstanding air chamber 1 is made of upper layer film 2 and barrier film 3, outstanding air chamber 5 is made of barrier film 3 and lower membrane 4 down, at the crosslinked outstanding air chamber 1 and 5 of independence of double-deck several the mutual dislocation of fabric width b apportion, distance C between upper layer film 2 and the lower membrane 4 is the gas-bearing formation gross thickness, and L is the length that infinitely postpones.
Fig. 2 is the outstanding air chamber canopy film of individual layer of the present invention, and outstanding air chamber 6 is made of upper layer film 7, barrier film 8 and lower membrane 9, the outstanding air chamber of fabric width b apportion individual layer 6 several, gas pay thickness c can be shown the width of barrier film 8, L is the length that infinitely postpones.
Fig. 3 is a blow molding mould cutaway view, wherein middle die body 11 is by regulating bolt 16 fastening being positioned between patrix 10 and the lower mold body 12, regulate the thickness that the size in die body gap can realize rete by regulating bolt, blow mold of the present invention can be regulated the thickness and the gas pay thickness of each layer film.Its operation principle is for working as the resin materials flow through major ingredient runner 13, flow into homocline road 15 again, after homocline, flow through respectively in the gap that die body 11 and lower mold body 12 set in the upper die body 10, after materials flow is full of whole gaps, promptly form the effective basic base of several outstanding air chamber unit, compressed air is blown into distribution road 14, the air distribution hole 17 of corresponding several and outstanding air chamber coupling, compressed air is blown into each outstanding air chamber unit, steep the crosslinked big film bubble of forming thereby form one by several outstanding cameral mantles, this big film bubble launches to be the present invention.
Five, embodiment:
The present invention used in Dong Yuan township, suburb, packet header according to test first on the spot in September, 99.The experiment greenhouse is a bamboo frame structure, long 40 meters, according to long 40 meters of part monofilm Pu curtain structure, varieties of plant is a cucumber, heat insulation effect is obvious, the daylighting effect has objection because of cucumber virus, will carry out daylighting and contrast test 202 farmers of factory of Ministry of Nuclear Industry in November, 99, the experiment greenhouse is a steel frame construction, long 20 meters, thickness is 0.15 millimeter, all thick 10 millimeters of gas pay thickness, the daylighting condition can satisfy the photosynthetic effect of crops, and the aerated film of Ninth Heaven agricultural engineering company is applied and also proved this point.
Through twice strange land evidence, the present invention only need keep gas-bearing formation, and all thick 10 millimeters just can to cover the heat insulation effect of Pu curtain with conventional monofilm suitable, that is to say, increasing outstanding gas-bearing formation gross thickness to 20 millimeter or when bigger.Its heat insulation effect far is more than the effect that monofilm covers the Pu curtain, and utilizes electric energy to drive aerating device than aerated film to be incubated and to have more energy-conservation well, the effect of reducing investment outlay and application fields.The present invention is incubated because of having reliable and stable maintenance outstanding gas-bearing formation all the time, and not influenced by extraneous factor, can not form and resemble the aerated film result who lost efficacy because of power failure or perforate, and the independent mutually cross-ventilation that do not take place between the outstanding air chamber unit wherein, heat leakage is few, especially double-deck outstanding air chamber canopy film is better than the insulation of the outstanding air chamber canopy of individual layer film, and is more superior than aerated film.
Advantage of the present invention is: simple in structure, easy to use, need not covering, and need not the repetition bookkeeping, need not electricity Can consume, need not aerating device, can be at any suitable agricultural planting, forest seedling nursing cultivates the field all-round popularizations such as warm canopy Use.
Claims (9)
1, a kind of double-deck suspending air room thermal insulation greenhouse film, it is characterized in that: upward outstanding air chamber [1] is made of upper layer film [2] and barrier film [3], outstanding air chamber [5] is made of barrier film [3] and lower membrane [4] down, the outstanding up and down air chamber [1] of independence and [5] that double-deck several the mutual dislocation of fabric width b apportion are crosslinked.
2, a kind of individual layer suspending air room thermal insulation greenhouse film is characterized in that: outstanding air chamber [6] is made of upper layer film [7], barrier film [8] and lower membrane [9], fabric width b apportion individual layer hang air chamber several, gas pay thickness can be shown the width of barrier film [8].
3, suspending air room thermal insulation greenhouse film according to claim 1 and 2 is characterized in that: single, double layer suspending air room thermal insulation greenhouse film is a blow molding.
4, suspending air room thermal insulation greenhouse film according to claim 1 and 2 is characterized in that: the width of each outstanding air chamber unit is 100～350 millimeters.
5, suspending air room thermal insulation greenhouse film according to claim 1 and 2 is characterized in that: distance is 20～200 millimeters to the insulation gas pay thickness from top layer to bottom.
6, suspending air room thermal insulation greenhouse film according to claim 1 and 2 is characterized in that: the total fabric width of canopy film is 5～15 meters.
7, suspending air room thermal insulation greenhouse film according to claim 1 and 2 is characterized in that: outstanding air chamber upper epidermis is a tensioning type thick film; Its thickness is 0.06～0.2 millimeter.
8, suspending air room thermal insulation greenhouse film according to claim 1 and 2 is characterized in that: can be connected use with the canopy body of conventional greenhouse and all kinds of multi-functional greenhouse, forest seedling nursing, breed temperature canopy.
9, be used to make the mould of claim 1 or 2 described suspending air room thermal insulation greenhouse films, it is characterized in that: middle die body [11] is by regulating fastening being positioned between upper die body [10] and the lower mold body [12] of bolt [16], regulate the thickness that the size in die body gap realizes rete by regulating bolt [16], major ingredient runner [13] is arranged in the bottom of mould, homocline road [15], distribution duct [14] is arranged in the middle of middle die body [11], in its outer end is air distribution hole [17], can the outstanding gas canopy film product of a blow molding manufacturing by this mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001184113A CN1199555C (en) | 2000-06-05 | 2000-06-05 | Single or double layer suspending air room thermal insulation greenhouse film and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001184113A CN1199555C (en) | 2000-06-05 | 2000-06-05 | Single or double layer suspending air room thermal insulation greenhouse film and mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1326668A CN1326668A (en) | 2001-12-19 |
| CN1199555C true CN1199555C (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001184113A Expired - Fee Related CN1199555C (en) | 2000-06-05 | 2000-06-05 | Single or double layer suspending air room thermal insulation greenhouse film and mold |
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| Country | Link |
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| CN (1) | CN1199555C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2283218B1 (en) | 2008-03-31 | 2016-04-27 | Mitsubishi Heavy Industries, Ltd. | Thermal insulation structure |
| CN102396404A (en) * | 2011-11-30 | 2012-04-04 | 周桐忠 | Inflatable greenhouse film |
| CN102642369B (en) * | 2012-04-16 | 2014-07-09 | 芜湖尚唯汽车饰件有限公司 | Automobile hat rack die |
| CN104855173A (en) * | 2015-04-23 | 2015-08-26 | 盐城工学院 | Upright-free frameless nursery greenhouse |
| CN106005486B (en) * | 2016-07-25 | 2018-06-19 | 张峰 | Spacecraft capsule cabin space farm |
| CN113348918A (en) * | 2021-07-24 | 2021-09-07 | 山东齐昊新能源科技有限公司 | Air source heat pump system for planting greenhouse |
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2000
- 2000-06-05 CN CNB001184113A patent/CN1199555C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1326668A (en) | 2001-12-19 |
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Granted publication date: 20050504 Termination date: 20100605 |