CN204518655U - Greenhouse by solar heat - Google Patents
Greenhouse by solar heat Download PDFInfo
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- CN204518655U CN204518655U CN201420870723.2U CN201420870723U CN204518655U CN 204518655 U CN204518655 U CN 204518655U CN 201420870723 U CN201420870723 U CN 201420870723U CN 204518655 U CN204518655 U CN 204518655U
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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 utility model relates to plant cultural technique field, especially relates to greenhouse by solar heat, comprising: skeleton, rear wall and gable; The both sides of rear wall are provided with gable; One end of skeleton is arranged on the upper end of rear wall, and its both sides are connected with the upper end of gable, and the other end of skeleton is for arranging ground surface; Skeleton, rear wall and gable surround plantation space; Rear wall is provided with many row S shape heat exchanger tubes, and many row S shape pipes successively head and the tail are connected to form the first hot switching path; One end of first hot switching path is provided with the first EGR, and the other end is used for being communicated with external heat exchange medium; The heat exchange medium flowing driven in hot switching path of first EGR.When the temperature in plantation space is too high or temperature is too low, start the first EGR, outside heat exchange medium is entered in the first hot switching path and with the air generation heat exchange in plantation space, and then reduce or raise the temperature in plantation space, make the proper temperature plant growth in plant space.
Description
Technical field
The utility model relates to plant cultural technique field, especially relates to greenhouse by solar heat.
Background technology
Along with the progress of science and technology, and the raising of people's living standard, people pay attention to for diets tend.In order to can also can the melon and fruit of edible fresh and vegetables in the winter of cold, so people devise greenhouse by solar heat.
Greenhouse by solar heat in correlation technique, comprising: rear wall, skeleton and two gables; Two gables are arranged on the both sides of rear wall, after two gables and one, wall takes the shape of the letter U, one end of skeleton is connected with the upper end of rear wall, skeleton both sides are connected with gable, the other end of skeleton is arranged on the ground, be provided with plastic film above skeleton, thus make rear wall, skeleton and two gables surround plantation space.
But the greenhouse by solar heat in correlation technique, it is completely by daylight heating, thus makes the temperature of planting in space can not meet the growth of the plant in plantation space, so production efficiency is low.
Utility model content
The purpose of this utility model is to provide greenhouse by solar heat, to solve the low technical problem of the production efficiency that exists in prior art.
The greenhouse by solar heat that the utility model provides, comprising: skeleton, rear wall and gable; The both sides of rear wall are provided with gable; One end of skeleton is arranged on the upper end of rear wall, and its both sides are connected with the upper end of gable, and the other end of skeleton is for arranging ground surface; Skeleton, rear wall and gable surround plantation space; Rear wall is provided with many row S shape heat exchanger tubes, and many row S shape heat exchanger tubes successively head and the tail are connected to form the first hot switching path; One end of first hot switching path is provided with the first EGR, and the other end is used for being communicated with external heat exchange medium; The heat exchange medium flowing of the first EGR in drive first hot switching path.
Further, the one side of rear wall away from plantation space is provided with two the first color steels and the first layer of polystyrene foam; First layer of polystyrene foam is arranged between two the first color steels; Rear wall is provided with multiple first louvre, after the first hot switching path is arranged within the walls.
Further, each gable is also provided with many row S shape heat exchanger tubes, many row S shape heat exchanger tubes successively head and the tail are connected to form the second hot switching path; One end of second hot switching path is provided with the second EGR, and the other end is used for connecing exchange media with outside and is communicated with; The gas flowing of the second EGR in drive second hot switching path.
Further, the one side of each gable away from plantation space is provided with two the second color steels and the second layer of polystyrene foam; Second layer of polystyrene foam is arranged between two the second color steels; Gable is provided with multiple second louvre, the second hot switching path is arranged in gable.
Further, the first EGR is air exhauster.
Further, the first hot switching path is provided with the first import and the second import away from one end of the first EGR; First import is used for being communicated with extraneous air; Second import is provided with first heater, and the second import is communicated with extraneous air by first heater.
Further, the second EGR is air exhauster.
Further, the second hot switching path is provided with triple feed inlet and the 4th import away from one end of the second EGR; Triple feed inlet is used for being communicated with extraneous air; 4th import is provided with secondary heating mechanism, and the 4th import is communicated with extraneous air by secondary heating mechanism.
Further, the first hot switching path is provided with multiple first exhaust vent; First hot switching path is also provided with the 5th import away from one end of the first EGR; 5th import is used for being communicated with outside agricultural chemicals fumigating gas; Second hot switching path is also provided with the 6th import away from one end of the second EGR; 6th import is used for being communicated with outside agricultural chemicals fumigating gas.
Further, the first EGR and the second EGR are suction pump; First hot switching path is used for being communicated with external water source away from one end of the first EGR; Second hot switching path is used for external water source connection away from one end of the second EGR.
The greenhouse by solar heat that the utility model provides, it is provided with the first hot switching path on rear wall, and one end of the first hot switching path is provided with the first EGR, and the other end is used for being communicated with extraneous air.When the temperature in plantation space is too high or temperature is too low, start the first EGR, outside heat exchange medium is made to enter in the first hot switching path, thus make the heat exchange medium in the first hot switching path and the air generation heat exchange in plantation space, and then reduce or raise the temperature in plantation space, make the proper temperature plant growth in plant space.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The cutaway view of the greenhouse by solar heat that Fig. 1 provides for the utility model embodiment;
The structural representation of the first interchange channel of the greenhouse by solar heat that Fig. 2 provides for the utility model embodiment;
The structural representation of the rear wall of the greenhouse by solar heat that Fig. 3 provides for the utility model embodiment.
Reference numeral:
1-kind plants space; Wall after 2-; 3-first hot switching path;
21-first layer of polystyrene foam; 22-first color steel; 23-first louvre;
31-first EGR.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The cutaway view of the greenhouse by solar heat that Fig. 1 provides for the utility model embodiment; The structural representation of the first interchange channel of the greenhouse by solar heat that Fig. 2 provides for the utility model embodiment; As depicted in figs. 1 and 2, the greenhouse by solar heat that the utility model provides, comprising: skeleton, rear wall 2 and gable; The both sides of rear wall 2 are provided with gable; One end of skeleton is arranged on the upper end of rear wall 2, and its both sides are connected with the upper end of gable, and the other end of skeleton is for arranging ground surface; Skeleton, rear wall 2 and gable surround plantation space 1; Rear wall 2 is provided with many row S shape heat exchanger tubes, and many row S shape pipes successively head and the tail are connected to form the first hot switching path 3; One end of first hot switching path is provided with the first EGR, and the other end is used for being communicated with external heat exchange medium; The heat exchange medium flowing of the first EGR in drive first hot switching path 3.
Wherein, the material of skeleton can be multiple, such as: timber, stainless steel or aluminium alloy etc.
The material of rear wall 2 and gable can be multiple, such as: armored concrete, brick wall or cob wall etc.
The material of the first hot heat exchanger tube can be multiple, such as: plastics, stainless steel or copper etc.
First EGR can be multiple, such as: fan blower, change fan, air exhauster, suction pump etc.
Heat exchange medium can be multiple, such as: hot water, cold water, cold air or hot-air can realize gas or the liquid of heat exchange.
The greenhouse by solar heat that the present embodiment provides, its one end being provided with the first hot switching path 3, first hot switching path 3 on rear wall 2 is provided with the first EGR, and the other end is used for being communicated with external heat exchange medium.When the temperature in plantation space 1 is too high or temperature is too low, start the first EGR, outside heat exchange medium is made to enter in the first hot switching path 3, thus make the air in the first hot switching path and the air generation heat exchange in plantation space 1, and then reduce or raise the temperature in plantation space 1, make the proper temperature plant growth in plant space.
In addition, in the present embodiment, because the first hot switching path 3 forms by arranging S shape pipe more, thus add the area of heat exchange, make the heat exchange medium in the first hot switching path 3 can carry out exchange heat fully with the air in plantation space 1, and then regulate the temperature in plantation space 1 fast.
As shown in Figure 1, on the basis of above-described embodiment, further, the one side of rear wall 2 away from plantation space 1 is provided with two first color steels 22 and the first layer of polystyrene foam; First layer of polystyrene foam 21 is arranged between two the first color steels 22.
In the present embodiment, at rear wall 2, the one side of planting space 1 is provided with two the first color steels 22, and the first layer of polystyrene foam 21 is provided with between two the first color steels 22, thus make to improve heat insulation effect, reduce the thermal loss in plantation space 1.
In addition, due to the high insulating effect at the first color steel 22 and the first layer of polystyrene foam 21, so the thickness of rear wall 2 effectively can be reduced, and then reduce the floor space of rear wall 2, thus expand the cultivated area in plantation space 1 as much as possible.
The structural representation of the rear wall of the greenhouse by solar heat that Fig. 3 provides for the utility model embodiment; As shown in figures 1 and 3, on the basis of above-described embodiment, further, rear wall 2 is provided with multiple first louvre 23, first hot switching path 3 and is arranged in rear wall 2.
Wherein, the distribution mode of multiple first louvre 23 can be multiple, such as: multiple first louvre 23 can rounded array or the distribution of square array formula etc.And be preferably that rear wall 2 can be built into by honeycomb brick, thus make rear wall 2 is formed many honeycomb holes, i.e. the first louvre 23.
When sunshine exposes in plantation space 1 from the plastic film skeleton, the temperature in plantation space 1 is raised, thus meet the normal growth of plantation space 1 implants.When plant the temperature in space 1 too high or too low time, start the first EGR thus outside heat exchange medium entered in the first hot switching path 3, thus making the air in the first heat exchanging pipe 3 carry out heat exchange with the air in plantation space 1.
In the present embodiment, owing to being provided with multiple first louvre 23 on rear wall 2, thus the heat exchange medium be conducive in the first hot switching path 3 carries out heat exchange with the air in plantation space 1, thus reduce or raise the temperature in plantation space 1, thus the temperature in plantation space 1 meets the normal growth demand of plant.
In addition, when heat exchange medium is air, when planting the temperature in space 1 and being too low, because the air in the first heat exchanging pipe stores certain heat, so the air in the first heat exchanging pipe carries out heat exchange with the air in plantation space 1, thus improve the air in plantation space 1.
As shown in Figure 2, on the basis of above-described embodiment, further, each gable is also provided with many row S shape heat exchanger tubes, many row S shape pipes successively head and the tail are connected to form the second hot switching path; One end of second hot switching path is provided with the second EGR, and the other end is used for being communicated with external heat exchange medium; The heat exchange medium flowing driven in hot switching path of second EGR.
Wherein, the material of the second hot heat exchanger tube can be multiple, such as: plastics, stainless steel or copper etc.
The kind of the second EGR can be multiple, such as: fan blower, change fan, air exhauster or suction pump etc.
In addition, second hot switching path can be independent each other with the first hot switching path 3, also can be interconnected with the first hot switching path, form a pipeline, be provided with the first EGR or the second EGR in one end of pipeline, the other end is used for external heat exchange medium and is communicated with.
As shown in Figure 1, on the basis of above-described embodiment, further, the one side of gable away from plantation space 1 is provided with two the second color steels and the second layer of polystyrene foam; Second layer of polystyrene foam is arranged between two the second color steels.
In the present embodiment, at gable, the one side of planting space 1 is provided with two the second color steels, and the second layer of polystyrene foam is provided with between two the second color steels, thus make to improve heat insulation effect, reduce the thermal loss in plantation space 1 further.
In addition, due to the high insulating effect at the second color steel and the second layer of polystyrene foam, so the thickness of gable effectively can be reduced, and then reduce the floor space of gable, thus expand the cultivated area in plantation space 1 further.
On the basis of above-described embodiment, further, gable is provided with multiple second louvre, and the second hot switching path is arranged in gable.
Wherein, the distribution mode of multiple second louvre can be multiple, such as: multiple second louvre can rounded array or the distribution of square array formula etc.And be preferably that gable also can be built into by honeycomb brick, thus make gable to be formed many honeycomb holes, i.e. the second louvre.
When sunshine exposes in plantation space 1 from the plastic film skeleton, the temperature in plantation space 1 is raised, thus meet the normal growth of plantation space 1 implants.When the temperature in plantation space 1 is too high or temperature is too low, start the first EGR and the second EGR, thus outdoor heat exchange medium is entered in the first hot switching path and the second interchange channel, thus the heat exchange medium in the first heat exchanging pipe and the heat exchange medium in the second hot switching path is made all to carry out heat exchange with the air in plantation space 1.
In the present embodiment, owing to being provided with multiple second louvre on gable, thus the heat exchange medium be conducive in the second heat exchanging pipe carries out heat exchange with the air in plantation space 1, thus reduce or raise the temperature in plantation space 1, thus the temperature in plantation space 1 meets the normal growth demand of plant, further improve production efficiency.
In addition, when heat exchange medium is air, when planting the temperature in space 1 and being too low, because the air stored in the first heat exchanging pipe and in the second heat-exchange tube has certain heat, so, air in air in first heat exchanging pipe and the second heat-exchange tube all carries out heat exchange with the air in plantation space 1, thus improves the air in plantation space 1.
On the basis of above-described embodiment, further, the first EGR is air exhauster; First hot switching path is provided with the first import and the second import away from one end of the first EGR; First import is used for being communicated with extraneous air; Second import is provided with first heater, and the second import is communicated with extraneous air by first heater.
Wherein, the first import and the second import are provided with magnetic valve, magnetic valve is for cutting out the first import and the second import.
First heater comprises the container for taking up air, and is arranged on the heater strip in container; Container is provided with heat outlet and cold air import, heat outlet and cold air import are provided with check valve; The outer surface of container is provided with heat-insulation layer.
One end that first hot switching path is provided with the first EGR is also communicated with extraneous air, and is also provided with magnetic valve at this end.Certainly, the first heat exchanging pipe is provided with one end of the first EGR also can be the cold air inlet communication of container.
When user is when using the greenhouse by solar heat in the present embodiment, solar light irradiation in plantation space 1, thus makes the temperature in plantation space 1 reach the temperature of suitable for plant growth.When sunshine is too strong, when making the temperature in plantation space 1 too high, then the magnetic valve of the first import is opened, then the first EGR is started, extraneous air is sucked in the first hot switching path, make the air of the first hot switching path carry out heat exchange with the air in plantation space 1, make the temperature in plantation space 1 be reduced to the temperature of suitable for plant growth, and air exhauster cuts out, by corresponding closed electromagnetic valve.
When the cloudy day or at dark, because sunlight is not enough, the temperature in plantation space 1 can be made to reduce, now, again can carry out heat exchange with the air in plantation space 1 by the air stored in the first hot switching path, thus improve the temperature of planting in space 1.When the temperature is too low, open the magnetic valve of the second import, start the first circulation pipe device and heater, thus make the air after heating enter in the first hot switching path, and then make the air in the first hot switching path carry out heat exchange with the air in plantation space 1, to improve the temperature in plantation space 1.
In the present embodiment, by passing into cold wind or hot blast in the first hot switching path, air in the first heat exchanging pipe is utilized to carry out heat exchange with the air in plantation space 1, to regulate and control the temperature in plantation space 1, thus make the temperature in plantation space 1 remain on the scope of suitable for plant production, further increasing the output of plant.
In the above-described embodiments, further, the second EGR is air exhauster; Second hot switching path is provided with triple feed inlet and the 4th import away from one end of the second EGR; Triple feed inlet is used for being communicated with extraneous air; 4th import is provided with secondary heating mechanism, and the 4th import is communicated with extraneous air by secondary heating mechanism.
Wherein, triple feed inlet and the 4th import are also provided with magnetic valve, magnetic valve is for cutting out triple feed inlet and the 4th import.
Secondary heating mechanism can be identical with the structure of first heater.
One end that second hot switching path is provided with the second EGR is also communicated with extraneous air, and is also provided with magnetic valve at this end.Certainly, the second heat exchanging pipe is provided with one end of the second EGR also can be the cold air inlet communication of secondary heating mechanism.
In the present embodiment, by being respectively arranged with the first hot switching path and the second hot switching path on rear wall 2 and gable, thus adding the area of heat exchange, enabling the temperature in kind of plantation space 1 raise fast or reduce.
On the basis of above-described embodiment, further, the first hot switching path 3 is provided with multiple first exhaust vent; First hot switching path 3 is also provided with the 5th import away from one end of the first EGR 31; 5th import is used for being communicated with outside agricultural chemicals fumigating gas; Second hot switching path is also provided with the 6th import away from one end of the second EGR; 6th import is used for being communicated with outside agricultural chemicals fumigating gas.
Wherein, the 5th import and the 6th import are provided with valve, can close in time not using, when the use used, open it.
Medicament fumigating gas refers to that all can eliminate the gas of plant pest.
In the present embodiment, by medicament fumigating gas is entered in plantation space 1 by the first hot switching path 3 and the second hot switching path, thus make being dispersed in of medicament fumigating gas uniform plant in space 1, and then the plant in plantation space 1 is fully absorbed the drug fumigating gas, effectively can treat the damage by disease and insect of plantation space 1 implants, improve the productive rate of plant.
On the basis of above-described embodiment, further, the first EGR 31 and the second EGR are suction pump; First hot switching path 3 is used for being communicated with external water source away from one end of the first EGR 31; Second hot switching path is used for external water source connection away from one end of the second EGR.
In the present embodiment, by passing into cold water or hot water in the first hot switching path 3 and the second hot switching path, thus reaching the temperature reducing or raise in plantation space 1, being conducive to the plant health of planting in space 1 and growing up, improving the productive rate of plant.
In each embodiment above-mentioned, first hot switching path 3 can be provided with the first import, the second import and the 5th import away from first EGR 31 one end, also an import can be only provided with, when for an import, user can select the equipment with this inlet communication according to the needs of oneself.Second hot switching path can be provided with triple feed inlet, the 4th import and the 6th import away from one end of the second EGR, also an import can be only provided with, when for an import, user also can select the equipment with this inlet communication according to the needs of oneself.
In addition, when the first EGR 31 and the second EGR are air exhauster, first hot switching path 3 is provided with one end of the first EGR 31, and second hot switching path one end of being provided with the second EGR can be communicated with plantation space 1, to strengthen planting exchanging of air in space 1 and extraneous air.
In addition, when the first EGR 31 and the second EGR are suction pump, first hot switching path 3 is provided with one end of the first EGR 31, and second hot switching path one end of being provided with the second EGR can be communicated with external water source, thus can water resource be recycled, reduce the waste of water resource.
In each embodiment above-mentioned, temperature sensor and controller can also be provided with in plantation space 1, temperature sensor, first heater, secondary heating mechanism, the first EGR and the second EGR, and magnetic valve is all electrically connected with controller, by the temperature in temperature sensor and monitoring control devices plantation space 1, and the corresponding component working of controller, thus the temperature controlled in plantation space 1, what make in plantation space 1 is temperature controlled more accurate, advantageously in the plant growth in plantation space 1.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. greenhouse by solar heat, is characterized in that, comprising: skeleton, rear wall and gable; The both sides of described rear wall are provided with gable; One end of described skeleton arranges the upper end of wall in the rear, and its both sides are connected with the upper end of described gable, and the other end of described skeleton is for arranging ground surface; Described skeleton, described rear wall and described gable surround plantation space;
Described rear wall is provided with many row S shape heat exchanger tubes, and the described S shape heat exchanger tube of many rows successively head and the tail is connected to form the first hot switching path; One end of described first hot switching path is provided with the first EGR, and the other end is used for being communicated with external heat exchange medium; Described first EGR drives the heat exchange medium flowing in described first hot switching path.
2. greenhouse by solar heat according to claim 1, is characterized in that, the one side of described rear wall away from described plantation space is provided with two the first color steels and the first layer of polystyrene foam;
Described first layer of polystyrene foam is arranged between two described first color steels; Described rear wall is provided with multiple first louvre, and described first hot switching path is arranged in the rear within the walls.
3. greenhouse by solar heat according to claim 1, is characterized in that, each described gable is also provided with many row S shape heat exchanger tubes, the described S shape heat exchanger tube of many rows successively head and the tail is connected to form the second hot switching path; One end of described second hot switching path is provided with the second EGR, and the other end is used for being communicated with external heat exchange medium; Described second EGR drives the heat exchange medium flowing in described second hot switching path.
4. greenhouse by solar heat according to claim 3, is characterized in that, the one side of each described gable away from described plantation space is provided with two the second color steels and the second layer of polystyrene foam;
Described second layer of polystyrene foam is arranged between two described second color steels;
Described gable is provided with multiple second louvre, described second hot switching path is arranged in described gable.
5. the greenhouse by solar heat according to any one of claim 1-4, is characterized in that, described first EGR is air exhauster.
6. greenhouse by solar heat according to claim 5, is characterized in that, described first hot switching path is provided with the first import and the second import away from one end of described first EGR;
Described first import is used for being communicated with extraneous air; Described second import is provided with first heater, and described second import is communicated with extraneous air by described first heater.
7. greenhouse by solar heat according to claim 3, is characterized in that, described second EGR is air exhauster.
8. greenhouse by solar heat according to claim 7, is characterized in that, described second hot switching path arranges triple feed inlet and the 4th import away from one end of described second EGR;
Described triple feed inlet is used for being communicated with extraneous air; Described 4th import is provided with secondary heating mechanism, and described 4th import is communicated with extraneous air by described secondary heating mechanism.
9. greenhouse by solar heat according to claim 7, is characterized in that, described first hot switching path is provided with multiple first exhaust vent;
Described first hot switching path is also provided with the 5th import away from one end of described first EGR; Described 5th import is used for being communicated with outside agricultural chemicals fumigating gas;
Described second hot switching path is also provided with the 6th import away from one end of described second EGR; Described 6th import is used for being communicated with outside agricultural chemicals fumigating gas.
10. greenhouse by solar heat according to claim 4, is characterized in that, described first EGR and described second EGR are suction pump;
Described first hot switching path is used for being communicated with external water source away from one end of described first EGR;
Described second hot switching path is used for external water source connection away from one end of described second EGR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870723.2U CN204518655U (en) | 2014-12-31 | 2014-12-31 | Greenhouse by solar heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870723.2U CN204518655U (en) | 2014-12-31 | 2014-12-31 | Greenhouse by solar heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204518655U true CN204518655U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870723.2U Expired - Fee Related CN204518655U (en) | 2014-12-31 | 2014-12-31 | Greenhouse by solar heat |
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| Country | Link |
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| CN (1) | CN204518655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112119811A (en) * | 2020-09-22 | 2020-12-25 | 潍坊科技学院 | External wind pressure resistant heat insulation structure of multi-span greenhouse |
-
2014
- 2014-12-31 CN CN201420870723.2U patent/CN204518655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112119811A (en) * | 2020-09-22 | 2020-12-25 | 潍坊科技学院 | External wind pressure resistant heat insulation structure of multi-span greenhouse |
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