CN104145746A - Heat discharge mechanism of greenhouse - Google Patents
Heat discharge mechanism of greenhouse Download PDFInfo
- Publication number
- CN104145746A CN104145746A CN201310175255.7A CN201310175255A CN104145746A CN 104145746 A CN104145746 A CN 104145746A CN 201310175255 A CN201310175255 A CN 201310175255A CN 104145746 A CN104145746 A CN 104145746A
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- Prior art keywords
- greenhouse
- opening
- roof
- heat extraction
- extraction mechanism
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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
Abstract
The invention discloses a heat discharge mechanism of a greenhouse. The heat discharge mechanism is designed for discharging accumulated heat in the greenhouse. A roof of the greenhouse is a tilted roof or a circular-arc-shaped roof. The heat discharge mechanism includes at least one opening formed in the roof of the greenhouse, the opening is close to the top end of the tilted roof or the top end of the circular-arc-shaped roof and can be opened or closed, and the size of the opening can be adjusted. By opening the opening in the roof and adjusting the size of the opening, air outside the greenhouse is introduced and performs heat exchange with air in the greenhouse; in this way, the accumulated heat in the roof can be effectively discharged from the opening, and the indoor stagnant air produces disturbance through the heat exchange so that the accumulated heat in the greenhouse can be effectively discharged; besides, the defect that an existing heat discharge mechanism of a greenhouse is low in heat discharge efficiency is overcome.
Description
Technical field
The present invention relates to the heat extraction mechanism of a kind of heat extraction mechanism, particularly a kind of greenhouse.
Background technology
Greenhouse, is airtight structure, utilizes the radiation heating of the sun to make the more extraneous warm environment of its indoor generation, to resist the weather of outdoor cold, and allows plant or crop be able at warm indoor growing.Although greenhouse has the condition that is beneficial to plant growth, but in torrid areas, temperate zone or summer because sun prolonged exposure can improve inside greenhouse temperature, add the closed structure that greenhouse is intrinsic, can cause the air cannot be effectively mobile, these all can hinder plant, the growth of crop, therefore greenhouse generally need have the facility of heat extraction, to greenhouse can be maintained a suitable temperature and have mobile air-flow.
The heat venting facility in greenhouse is divided into two kinds of forced action type and self arrangements, and the former is mainly so that the mode of air exhauster or ventilating fan to be set, and forces the hot gas suction in greenhouse to go out and reaches the effect of cooling and flow perturbation; But must being used electric energy, the method has the doubt of power consumption.Self arrangement is probably divided into again two kinds, it is just like shown in Figure 1A, Figure 1B, to establish cross-ventilation mouth 91 or gas curtain in the two sides in the greenhouse 90 of a gable top, utilize cross-ventilation by cool ambient air from a lateral leadin, and the hot-air in greenhouse is squeezed and discharged by opposite side, the accumulated heat in greenhouse is fallen apart and remove.Though aforesaid way is the most energy-conservation, but the effect of its radiating and cooling is very limited, reason refers to the wind field figure of Figure 1A, the flow velocity of ambient, cool air outside greenhouse in the time marching into the arena still approximately has 4m/s (the fine dotted line of Figure 1A), but along with the degree of depth (lateral separation in figure) entering in greenhouse strengthens, its flow velocity just decays to intimate dead state (the thick dashed line of Figure 1A) gradually, and in the time approaching greenhouse opposite side cross-ventilation mouth 91, just gradually returns to the flow velocity of marching into the arena (Figure 1A compared with fine dotted line).Because the heat radiation facility place of both sides, Jin Yu greenhouse, the type greenhouse produces the air-flow of fine motion, and middle section, greenhouse does not produce cross-ventilated effect, want that the effect by taken away accumulated heat in greenhouse by cross-ventilation effect is very limited, especially only limited to the middle lower floor in greenhouse by the region of the more visible air motion of this wind field figure, for the most serious top of accumulated heat, general greenhouse, almost without any heat extraction effect.
As above the self arrangement heat venting facility in existing gable top greenhouse, owing to cannot effectively discharging the accumulated heat of nearly roof, therefore its improved structure is exhaust outlet 92 (the common name crown prince building arranging at the gable top top in greenhouse just like chimney, as Fig. 2 A, Fig. 2 B), by the arrange in pairs or groups cross-ventilation mouth 91 in original greenhouse of this exhaust outlet 92, the accumulated heat at greenhouse roof place can be discharged by the left and right sides of this exhaust outlet.But, from the wind field figure (Fig. 2 A) in this type greenhouse, crown prince building, its air-flow velocity of marching into the arena is also about 4m/s, though the lifting speed of air-flow still maintains 2.2m/s and flows toward the exhaust outlet at top after marching into the arena, but because of air-flow be upwards turn again one nearly 90 degree the curved beginnings can by exhaust outlet 92 the left and right sides discharge (Fig. 2 B arrow line), the convection current traction effect that causes air-flow is obstructed and cannot promotes fast, must there is the effect of getting rid of accumulated heat from exhaust outlet 92 to the nearly stage casing depth beginning in greenhouse, and almost cannot discharge in the top accumulated heat of the greenhouse leading portion degree of depth before this, and stage casing, greenhouse is later also because air-flow is by exhaust outlet 92 Accelerating Removals, cause shortage air-guiding and present one section of intimate static air-flow, and be helpless to the discharge of top, greenhouse accumulated heat herein, this is the shortcoming in type greenhouse, crown prince building.
Summary of the invention
Because still there is shortcoming as above in the heat extraction mechanism in existing gable top greenhouse or type greenhouse, crown prince building, therefore the invention provides a kind of heat extraction mechanism of greenhouse, it can improve the disappearance in above-mentioned two kinds of greenhouses and provide better accumulated heat to discharge usefulness.
The heat extraction mechanism that the present invention is a kind of greenhouse of reaching above-mentioned purpose and providing, greenhouse has at least one inclined roof, and heat extraction mechanism comprises:
At least one opening, is opened in the top end near inclined roof at least one inclined roof in greenhouse, and opening can be opened or close and the adjustment of openings of sizes.
The heat extraction mechanism in greenhouse as above, preferred, greenhouse has two inclined roof face-offs and forms gable top, and at least one opening, is opened in the top end near gable top at least one inclined roof of gable top.Wherein, preferred, in two inclined roof of gable top, be respectively provided with an opening, and each opening is near the top end of gable top.Or, preferably, in two inclined roof of gable top, be respectively provided with an opening, one of them opening is located at the top end near gable top, another opening is located at the root edge near arbitrary inclined roof, and wherein two openings can be located in same or not same inclined roof.In addition, preferred, in two inclined roof of above-mentioned gable top, be respectively provided with two openings, one opening is located at the top end near gable top, and another opening is located at the root edge near inclined roof.Or, preferred, in two inclined roof of gable top, be respectively provided with multiple openings, and make multiple openings become rule or brokenly arranged between the top and root edge of inclined roof.
The heat extraction mechanism in greenhouse as above, preferably, opening have one can open, close and openings of sizes adjust euphotic cover plate, and euphotic cover plate is preferably selected from glass plate, acrylic board, PC (polycarbonate, Merlon) plate, PS (polystyrene, polystyrene) in plate, PE (polyethylene, polyethylene) film or PVC (polyvinyl chloride, polyvinyl chloride) film any.
The heat extraction mechanism in greenhouse as above, preferably, also comprise that a solar protection devices is located at the top place of inclined roof, solar protection devices comprises a vertical rod and is located at a shield of rod end, and the area of shield at least can cover at least one opening of being located near inclined roof top end, wherein, vertical rod is be directly located at the top end of inclined roof or be located on a support that extends inclined roof top; And preferred, it is horizontally disposed that shield can vertical rod be that axle is, or beat taking its vertical rod as the capable angle of axle, and the area of shield can cover entire area or the part area of inclined roof.
The heat extraction mechanism in greenhouse as above, wherein, preferred, shield be selected from net, cloudy surface glass plate, cloudy surface acrylic board, cloudy surface PC plate, low light transmission PE film or electro-optical package any.
The heat extraction mechanism in greenhouse, greenhouse has a circular arc roof, and heat extraction mechanism comprises: at least one opening, be opened in the top end near circular arc roof on the circular arc roof in greenhouse, opening can be opened or close and the adjustment of openings of sizes.Wherein, preferred, circular arc type roof comprises two openings, and one opening is located at the top end near circular arc roof, and another opening is located at the root edge place near circular arc roof.And preferred, circular arc type roof comprises multiple openings, one-tenth rule or brokenly arranged are between the top and root edge on circular arc roof.And it is preferred, the top place on circular arc roof also comprises a solar protection devices, solar protection devices comprises a vertical rod and is located at a shield of rod end, and the area of shield at least can cover at least one opening or circular arc roof entire area or the part area be located near circular arc roof top end; And wherein vertical rod is be directly located at the top end on circular arc roof or be located on a support that extends top, circular arc roof.
In sum, the heat extraction mechanism in greenhouse of the present invention, by at least one opening is set on roof, and unlatching by opening and adjust the openings of sizes of its unlatching, can make outside, greenhouse compared with cold airflow (with respect in greenhouse compared with thermal current) can enter in greenhouse because of convection action, and the flow perturbation in priming greenhouse by this, and the highest temperature accumulated heat that approaches roof most effectively can be discharged by opening, and further make the air-flow in whole greenhouse produce disturbance, and effectively in the lump the accumulated heat in greenhouse is discharged, so can really solve the heat extraction disappearance of the heat extraction mechanism poor efficiency in existing greenhouse.Moreover the present invention only need utilize low energy consumption or not consume energy completely.
Brief description of the drawings
The wind field figure (Figure 1A and Fig. 2 A) of the internal gas flow that Figure 1A, Figure 1B and Fig. 2 A, Fig. 2 B are existing greenhouse, and the structure side view in greenhouse (Figure 1B and Fig. 2 B).
Fig. 3 is the stereogram of the heat extraction mechanism in greenhouse of the present invention.
Fig. 4 A, Fig. 4 B are the wind field figure (Fig. 4 A) that utilizes the air-flow of the inside greenhouse of the heat extraction mechanism in greenhouse of the present invention, and the structure side view in greenhouse (Fig. 4 B).
Fig. 5 to Fig. 7 is the schematic diagram that the opening of the 3rd preferred embodiment of the heat extraction mechanism in greenhouse of the present invention is laid kenel.
The heat extraction mechanism that Fig. 8 A, Fig. 8 B, Fig. 8 C are greenhouse of the present invention is used multiple openings, and the opening stereogram of these openings.
The structural representation of the heat extraction mechanism in the greenhouse that Fig. 9 A to Fig. 9 C is four preferred embodiment of the invention, wherein Fig. 9 A, Fig. 9 B are part-structure schematic diagram, Fig. 9 C is its air current flow schematic diagram that forms attached-greenhouse.
Figure 10 is the partial structurtes end view of the heat extraction mechanism in the greenhouse of fifth preferred embodiment of the invention.
The structural representation of the heat extraction mechanism in the greenhouse that Figure 11 A, Figure 11 B are sixth preferred embodiment of the invention.
Reference numeral:
10 greenhouses
12 inclined roof
14 openings
141 drain ditchs
142 oblique apical margins
16 tops
18 euphotic cover plates
18a PE film or PVC film euphotic cover plate
22 cross-ventilation mouths
30 solar protection devices
32 vertical rods
34 shields
36 supports
40 attached-greenhouses
52 circular arc roofs
54 openings
Embodiment
Below enumerate at least one embodiment, and with reference to accompanying drawing with explanation the preferred embodiment of the present invention and content thereof.
As shown in Figure 3, the heat extraction mechanism in the greenhouse of first preferred embodiment of the invention, this greenhouse 10 has an inclined roof 12, and heat extraction mechanism comprises at least one opening 14, be opened in 16 places, top (ridge) near inclined roof in the inclined roof 12 in greenhouse, opening 14 has the euphotic cover plate 18 that can open, close and adjust openings of sizes, and owing to will allowing sunlight enter greenhouse, therefore the material of euphotic cover plate 18 is preferably selected from glass plate, acrylic board, PC plate, PS plate, PE film or PVC film any.As for the openings of sizes adjustment of opening 14, can be standard-sized sheet, half-open or arbitrary size openings, and its adjustment mode can be electronic or manual.
As the heat extraction mechanism in the greenhouse of the first preferred embodiment, on two opposite side walls of its medium temperature chamber 10, be also respectively equipped with the cross-ventilation mouth 22 as traditional greenhouse.But, as traditional greenhouse, depend merely on the effect of cross-ventilation mouth 22 and cannot effectively discharge the accumulated heat in greenhouse, especially converge at a large amount of accumulated heats of greenhouse inner top, therefore, now can or utilize temperature sensing automatically to manipulate by artificial manipulation, with the euphotic cover plate 18 in mobile or scrolling (if PE film or PVC film) or unlatching inclined roof 12, make opening 14 open the air-flow allowing in greenhouse and produce disturbance, further the accumulated heat in greenhouse is discharged through opening 14, effectively to reduce the temperature in greenhouse.Open the mode of opening 14, can adopt and first open a crack, by Venturi tube (Venturi tube) principle, make the air-flow in greenhouse accelerate to flow towards opening 14 cracks, then after air-guiding forms and be stable (can according to flow monitoring), more progressive opening 14 is opened greatly effectively to get rid of accumulated heat.Open the air current flow that opening 14 causes, also can drive the disturbance of whole inside greenhouse air-flow, can promote thus the blade evapotranspiration (Transpiration) of greenhouse interplantation, crop, and then promotion is planted, the growth of crop.
As shown in Fig. 4 A, Fig. 4 B.When the greenhouse of traditional chevron greenhouse as shown in Figure 4 B or the first preferred embodiment of the present invention as shown in Figure 3, after its inclined roof 12 is provided with the opening 14 that can open or close and is opened, wind field figure by Fig. 4 A can know discovery, outer gas stream enters greenhouse via cross-ventilation mouth 22 with the flow velocity of marching into the arena of about 4m/s, and raise up towards opening 14 directions are anxious with the flow velocity of 2.5m/s, and can discharge all bringing to opening 14 places near the most interior roof of interior roof accumulated heat or even the greenhouse accumulated heat at import 22 places rapidly.In addition, along with above-mentioned heat extraction effect, can make the air-flow velocity in greenhouse maintain 0.9m/s～2.5m/s, represent that the gas field disturbing phenomenon in greenhouse is good, only some soft airs slightly before apart from another cross-ventilation mouth 22, but also can be taken out of greenhouse very soon.As shown in the above description, by the heat extraction mechanism of the invention described above, can obtain the better heat extraction effect in more existing chevron greenhouse or type greenhouse, crown prince building.
As the greenhouse of the first preferred embodiment of the present invention, the opening 14 of its heat extraction mechanism is located at the greenhouse with single inclined roof.The greenhouse of right the second preferred embodiment of the present invention as shown in Figure 4 B, it is to have the gable top type greenhouse that two inclined roof 12 stand facing each other, therefore can select the top end (ridge) near gable top in one of them or each inclined roof to establish an opening, for example Fig. 4 B is that the top end near gable top is established an opening 14 in each inclined roof 12.
As above the heat extraction mechanism in the greenhouse of the second preferred embodiment is that an inclined roof or each inclined roof are established an opening 14 near the top end of gable top therein.And the heat extraction mechanism in the greenhouse of the 3rd preferred embodiment of the present invention, except establishing opening at the top end (ridge) near gable top, also locates to establish another opening at the root edge (eaves) of inclined roof; And the laying pattern of these two openings can be as shown in Figure 5, become (in figure, two openings can select mapping to be built in another inclined roof) in the different inclined roof 12 of being located at of face-off; Can also be as shown in Figure 6, two openings 14 be all located in same inclined roof; Or, in each inclined roof 12, be all provided with two openings 14, as shown in Figure 7.
As shown in Fig. 8 A, Fig. 8 B.As the heat extraction mechanism in above-mentioned the of the present invention first greenhouse to the 3rd preferred embodiment, its middle open 14 is except being located near the top or root edge place of gable top, can also multiple, become rule or arrangement is laid in gable top brokenly top between root edge.Though and the shown opening 14 of Fig. 8 A, Fig. 8 B have size point, the also opening of the same size as shown in the first to the 3rd preferred embodiment.In addition, the degree of the visual greenhouse of the opening accumulated heat in figure, and the overall size of opening or opening individually the opening of zones of different and adjusting opening, to reach best heat extraction effect, for example Fig. 8 A only opens the opening 14 near gable top top end, but Fig. 8 B also opens the opening 14 near gable top root edge place, and the openings of sizes of two openings differs.
Although the euphotic cover plate 18 of the above-mentioned first opening 14 to the 3rd preferred embodiment is covered in the outside of inclined roof, also can select to be located at the inner side on roof.And, though showing with sliding type, opens along roof incline direction euphotic cover plate 18, also can select to lift the mode opening and open opening.Or, if euphotic cover plate is a kind of PE film or PVC film euphotic cover plate 18a, can adopts scroll mode and open (8C figure).
Although the above-mentioned first opening 14 to the 3rd preferred embodiment covers and is avoided rainwater to enter in greenhouse with euphotic cover plate 18, but as shown in Fig. 8 A, Fig. 8 B, preferably, must drain ditch 141 be set in opening 14 peripheries, and more preferably, drain ditch 141 also has an oblique apical margin 142, so can make rainwater discharge along the landing of inclined-plane, 141Zi roof, drain ditch.
As the heat extraction mechanism in above-mentioned the of the present invention first greenhouse to the 3rd preferred embodiment, also can establish a solar protection devices and form the 4th preferred embodiment of the present invention in the top end of inclined roof.As shown in Fig. 9 A, Fig. 9 B, the solar protection devices 30 in the greenhouse of the 4th preferred embodiment comprises a vertical rod 32 and is located at the shield 34 of rod end, wherein the area of shield 34 at least should be able to cover at least one opening 14 of being located near inclined roof top end, example as shown in Figure 9 A, in the time that shield 34 is horizontally disposed in vertical rod 32, shield can cover the entire area of inclined roof, and all openings all can cover by crested plate.
Though the top end of inclined roof can be directly located in the vertical rod 32 of the solar protection devices 30 of the 4th preferred embodiment, but other feasible modes as shown in Figure 9 B, can upwards extend to form a support 36 along the structural posts in greenhouse, then the vertical rod of solar protection devices 30 32 is arranged on support 36.
Establish the object of solar protection devices 30 in top, greenhouse, except can shielded from sunlight direct projection roof and the temperature of rising inside greenhouse, because 34 times crested regions of shield have with respect to outside, greenhouse and all low temperature of greenhouse inner top, cause in the time opening the opening 14 at this place, because the temperature difference inside and outside roof causes the disturbance circulation (as the arrow line up and down of Fig. 9 C) of air-flow, make in greenhouse the gas being detained can be by priming, and coordinate the opening of its elsewhere of in good time opening roof, can allow the delay hot gas in greenhouse accelerate to be discharged by the outward opening of opening, this measure has sizable gain for the heat extraction of attached-greenhouse 40 as shown in Figure 9 C, because the span of attached-greenhouse 40 is long, depend merely on the cross-ventilation mouth 22 of span both sides and cannot provide enough air-guiding to discharge the accumulated heat of inside greenhouse.
The solar protection devices 30 that the 4th preferred embodiment is set up, wherein shield 34 preferably can also vertical rod 32 carries out the beat of angle for axle, for example can be according to suitably beat shield 34 of angle at sunshine, make the entire area of greenhouse roof or part area obtain best covering, as shown in Figure 9 C.And be the function of the above-mentioned shield of performance, shield material preferably can be selected from the PE film of PC plate, low light transmission of acrylic board, the cloudy surface of glass plate, the cloudy surface of wire side (sunshade net), cloudy surface or electro-optical package any.
The roof openings of the present invention's first to fourth preferred embodiment is all performed in an inclined roof.But in other feasible kenels, in greenhouse common circular arc roof 52, also can arrange as the opening 54 of the enhancement greenhouse heat extraction of first to fourth preferred embodiment, and form the 5th preferred embodiment of the present invention, as shown in figure 10.Opening 54 in the 5th preferred embodiment, can be located at the top end near circular arc roof on circular arc roof; Or be located at the root edge place near circular arc roof; Or above two places all establish; Meanwhile, opening 54 also can be opened or close and the adjustment of openings of sizes.
The aforementioned solar protection devices 30 that is installed on first to fourth preferred embodiment, also can be applicable in the 5th preferred embodiment and becomes the 6th preferred embodiment.Solar protection devices 30 mounting means can directly be installed on 52 tops, circular arc roof, or are installed on a support 36 of 52 tops, circular arc roof, as shown in Figure 11 A, Figure 11 B.Wherein the area of shield 34 at least can cover at least one opening 54 or circular arc roof 52 entire areas or the part area be located near circular arc roof top end.
Certainly, the above is the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (17)
1. the heat extraction mechanism in greenhouse, described greenhouse has at least one inclined roof, and described heat extraction mechanism comprises:
At least one opening, is opened in the top end near inclined roof at least one inclined roof in greenhouse, and opening can be opened, close and the adjustment of openings of sizes.
2. the heat extraction mechanism in greenhouse as claimed in claim 1, wherein said greenhouse has the face-off of two inclined roof and forms gable top, and at least one described opening is opened in the top end near described gable top at least one inclined roof of described gable top.
3. the heat extraction mechanism in greenhouse as claimed in claim 2, wherein in two of gable top inclined roof, be respectively provided with an opening, and each opening is near the top end of described gable top.
4. the heat extraction mechanism in greenhouse as claimed in claim 2, is respectively provided with an opening in two inclined roof of wherein said gable top, and wherein an opening is located at the top end near described gable top, and another opening is located at the root edge near arbitrary described inclined roof.
5. the heat extraction mechanism in greenhouse as claimed in claim 4, wherein two described openings are located in same or not same described inclined roof.
6. the heat extraction mechanism in greenhouse as claimed in claim 2, in two inclined roof of wherein said gable top, be respectively provided with two openings, one opening is located at the top end near described gable top, and another opening is located at the root edge near inclined roof described in one of them.
7. the heat extraction mechanism in greenhouse as claimed in claim 2, is respectively provided with multiple openings in two inclined roof of wherein said gable top, and make multiple openings become rule or brokenly arranged between the top and root edge of inclined roof.
8. the heat extraction mechanism in the greenhouse as described in claim 1 to 7 any one, wherein said opening has one can open, close and euphotic cover plate that openings of sizes is adjusted, and described euphotic cover plate is selected from glass plate, acrylic board, PC plate, PS plate, PE film or PVC film any.
9. the heat extraction mechanism in the greenhouse as described in claim 1 to 7 any one, also comprise a solar protection devices at the top place that is located at described inclined roof, described solar protection devices comprises a vertical rod and is located at a shield of described rod end, and the area of described shield at least can cover at least one opening of being located near the top end of described inclined roof.
10. the heat extraction mechanism in greenhouse as claimed in claim 9, wherein said vertical rod is directly located at the top end of described inclined roof or is located on a support of the top that extends described inclined roof.
The heat extraction mechanism in 11. greenhouses as claimed in claim 9, wherein said shield is horizontally disposed taking described vertical rod as axle, or do the beat adjustment of angle taking described vertical rod as axle, and the area of described shield can cover entire area or the part area of described inclined roof.
The heat extraction mechanism in 12. greenhouses as claimed in claim 9, wherein said shield is selected from the PE film of PC plate, low light transmission of acrylic board, the cloudy surface of glass plate, the cloudy surface of net, cloudy surface or electro-optical package any.
The heat extraction mechanism in 13. 1 kinds of greenhouses, described greenhouse has a circular arc roof, and described heat extraction mechanism comprises:
At least one opening, is opened in the top end near circular arc roof on the circular arc roof in greenhouse, and opening can be opened, close and the adjustment of openings of sizes.
The heat extraction mechanism in 14. greenhouses as claimed in claim 13, described circular arc roof comprises two openings, and described in one of them, opening is located at the top end near described circular arc roof, and described in another, opening is located at the root edge place near described circular arc roof.
The heat extraction mechanism in 15. greenhouses as claimed in claim 13, described circular arc roof comprises multiple openings, described multiple openings one-tenth rules or brokenly arranged are between the top and root edge on described circular arc roof.
The heat extraction mechanism in 16. greenhouses as described in any one in claim 13 to 15, also comprise a solar protection devices at the top place that is located at described circular arc roof, described solar protection devices comprises a vertical rod and is located at a shield of described rod end, and the area of described shield at least can cover at least one described opening or whole described circular arc roof area or the part area be located near described circular arc roof top end.
The heat extraction mechanism in 17. greenhouses as claimed in claim 16, wherein said vertical rod is directly located at the top end on described circular arc roof or is located on a support that extends top, described circular arc roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310175255.7A CN104145746A (en) | 2013-05-13 | 2013-05-13 | Heat discharge mechanism of greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310175255.7A CN104145746A (en) | 2013-05-13 | 2013-05-13 | Heat discharge mechanism of greenhouse |
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| CN104145746A true CN104145746A (en) | 2014-11-19 |
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ID=51871554
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|---|---|---|---|
| CN201310175255.7A Pending CN104145746A (en) | 2013-05-13 | 2013-05-13 | Heat discharge mechanism of greenhouse |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2445838A1 (en) * | 1978-11-17 | 1980-08-01 | Hoffmann La Roche | NEW 1A, 3B-DIHYDROXY-5-STEROIDS |
| FR2611425A1 (en) * | 1987-03-02 | 1988-09-09 | Jbl Etablissements | Tropical greenhouse |
| FR2660151A1 (en) * | 1990-03-28 | 1991-10-04 | Richel Pierre | Functional device for ventilating greenhouses with multiple continuous opening panels |
| TWM377866U (en) * | 2009-11-25 | 2010-04-11 | Jia-Gan Wu | Dormer structure of green house |
| JP2012100545A (en) * | 2010-11-06 | 2012-05-31 | Green Plus Co Ltd | Two-way ventilation window opening/closing device in greenhouse roof |
| CN202697389U (en) * | 2012-06-01 | 2013-01-30 | 台湾矽能能源股份有限公司 | Adjustable shading device for agricultural planting |
-
2013
- 2013-05-13 CN CN201310175255.7A patent/CN104145746A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2445838A1 (en) * | 1978-11-17 | 1980-08-01 | Hoffmann La Roche | NEW 1A, 3B-DIHYDROXY-5-STEROIDS |
| FR2611425A1 (en) * | 1987-03-02 | 1988-09-09 | Jbl Etablissements | Tropical greenhouse |
| FR2660151A1 (en) * | 1990-03-28 | 1991-10-04 | Richel Pierre | Functional device for ventilating greenhouses with multiple continuous opening panels |
| TWM377866U (en) * | 2009-11-25 | 2010-04-11 | Jia-Gan Wu | Dormer structure of green house |
| JP2012100545A (en) * | 2010-11-06 | 2012-05-31 | Green Plus Co Ltd | Two-way ventilation window opening/closing device in greenhouse roof |
| CN202697389U (en) * | 2012-06-01 | 2013-01-30 | 台湾矽能能源股份有限公司 | Adjustable shading device for agricultural planting |
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Application publication date: 20141119 |