CN208143973U - Solar heat underground heat complementation energy facilities agricultural greenhouse - Google Patents
Solar heat underground heat complementation energy facilities agricultural greenhouse Download PDFInfo
- Publication number
- CN208143973U CN208143973U CN201820296772.8U CN201820296772U CN208143973U CN 208143973 U CN208143973 U CN 208143973U CN 201820296772 U CN201820296772 U CN 201820296772U CN 208143973 U CN208143973 U CN 208143973U
- Authority
- CN
- China
- Prior art keywords
- heat
- greenhouse
- solar
- heat pump
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Greenhouses (AREA)
Abstract
The utility model relates to a kind of solar heat underground heat complementation energy facilities agricultural greenhouses.It solves the technical problems such as existing agricultural greenhouse heat exchange efficiency is low.Including several greenhouses, hydraulic module and water source heat pump units are installed in greenhouse, hydraulic module is connected with water source heat pump units, the flooring of greenhouse is equipped with several pipe trench, pipe trench is connected separately with water source heat pump units, wind pipe type water-loop heat pump unit and its solar-heating regenerative structure for return water collector, is connected with the radiator structure being arranged in greenhouse for return water collector.Advantage is:By the natural clean reproducible energy such as direct sunlight heat and electric drive water/ground source heat pump, the transmission & distribution of cold and hot amount are completed using the nest of tubes being arranged in greenhouse pipe trench, fully meet the energy demand of greenhouse round-the-clockly.Greenhouse room temperature is adjusted by equipment such as radiator, water-loop heat pump, roof spray equipment and buried heat pipes, suitable growing environment can be provided for the kind plant in greenhouse.
Description
Technical field
The utility model belongs to renewable energy utilization equipment technical field, and in particular to a kind of mutual complementary energy of solar heat underground heat
Source industrialized agriculture greenhouse.
Background technique
Before the rise of industrialized agriculture greenhouse, just have and gone along with sb. to guard him by translucent material, heats small spatial loop using solar thermal energy
Border enables the technological means that plantation object is grown across season, cross-region in it, and industrialized agriculture more optimizes promotes this more on a large scale
One technological means such as obtains heat by the way of fire coal/combustion gas-to-electric to maintain the design temperature in greenhouse.Presently, there are
Main problem is that low-cost equipment is easy pollution environment, operating cost height, and the high equipment of price causes initial cost to increase, passes through again
Ji property is poor.It is increasing to the consumption demand across season on the spot of fresh vegetables fruit with the raising of people's quality of life level, therefore
It also increases therewith to the construction amount demand of facility plastic greenhouse, but energy consumption is high, the contradiction of pollution environment is just projected.
In order to solve the shortcomings of the prior art, there has been proposed various solutions.For example, Chinese patent literature is public
A kind of Laboratary type greenhouse vegetable greenhouse [application number utilized based on solar energy and earth source heat pump coupling is opened:
201611101115.5], including greenhouse vegetable greenhouse, heating system, earth source heat pump heating system and PLC control system.In gas
Temperature low winter and rainy days when thermal energy needed for relying solely on solar energy and cannot maintaining greenhouse, is led to by PLC control system
It crosses control ground-source heat pump system, heating system and provides thermal energy for greenhouse, temperature needed for making greenhouse keep vegetable growth;?
Hot summer and it is sunny when, close ground-source heat pump system, kept the sun off using the sunshade attachment of greenhouse, reduced big
Temperature in canopy.
Although above scheme solves traditional greenhouse to a certain extent, energy consumption is high, not enough environmentally friendly problem, the party
Case still remains:Heating effect is poor, can not adaptation to local conditions, economically using cleaning geothermal energy the problems such as.
Summary of the invention
Regarding the issue above, the present invention provides a kind of solar heat underground heat complementation energy facilities agricultural greenhouse;Solution
The technical issues of clean energy resource can not be rationally utilized present in the prior art of having determined.
In order to achieve the above objectives, the utility model uses following technical proposal:This solar heat underground heat complementation energy facilities
Agricultural greenhouse, including several greenhouses, which is characterized in that hydraulic module and Water source heat pump unit are installed in greenhouse
Group, the hydraulic module are connected with water source heat pump units, and the flooring of the greenhouse is equipped with several pipe trench, described
Pipe trench for return water collector be connected separately with water source heat pump units, wind pipe type water-loop heat pump unit and its solar-heating accumulation of heat
Structure, and described the radiator structure being arranged in greenhouse is connected with for return water collector.
Obviously, by the natural clean reproducible energy such as direct sunlight heat and electric drive water/ground source heat pump, arrangement is utilized
Nest of tubes in greenhouse in criss-cross pipe trench completes the transmission & distribution of cold and hot amount, fully meets the energy need of greenhouse round-the-clockly
It asks.In addition, greenhouse room temperature is adjusted by equipment such as radiator, water-loop heat pump, roof spray equipment and buried heat pipes, it can
Suitable growing environment is provided for the kind plant in greenhouse.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, the water source heat pump units are respectively with U-shapedly
Pipe laying is connected with collecting-tank, and the water source heat pump units and U-shaped underground pipe are equipped with ground source shut-off valve, the water resource heat pump
Unit and collecting-tank are equipped with water source side shut-off valve, and the water source heat pump units and wind pipe type water-loop heat pump unit pass through switching
Valve is connected.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, the collecting-tank is warm with wind pipe type water ring respectively
The cooling heat-proof device of pump assembly and the roof that greenhouse upper end is arranged in is connected, the U-shaped underground pipe and wind pipe type water
Ring heat pump unit is connected.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, the radiator structure includes being separately positioned on temperature
Peripheral region radiator, top movable radiator and bottom floor fixed heat sink in the greenhouse of room, and the peripheral region heat dissipation
Device, top movable radiator and bottom floor fixed heat sink are connected with hydraulic module respectively.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, the solar-heating regenerative structure includes too
Positive energy heat supply heat storage pool, the solar-heating heat storage pool are equipped with solar temperature rising structure, and the solar-heating
Heat exchanger in the pond being connected with hydraulic module is equipped in heat storage pool.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, the solar temperature rising structure includes being located at too
The double layer light transmission film of positive energy heat supply heat storage pool upper end.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, on the flooring of the greenhouse respectively
Super heat-conductive pipe is equipped with equipped with several moving thermal insulation cover boards, and below the moving thermal insulation cover board.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, there is wind in the wind pipe type water-loop heat pump
Machine, and the air outlet of the blower is by the upside down setting of greenhouse.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, the cooling heat-proof device in the roof includes several
The sprinkler head of greenhouse upper end is set, and the sprinkler head is connected with collecting-tank.
In above-mentioned solar heat underground heat complementation energy facilities agricultural greenhouse, the pipe trench respectively criss-cross setting to
Flooring is divided into multiple rectangular areas.
Compared with prior art, the utility model has the advantage of:
1, using energy-saving and environment-friendly energy resource system form, renewable energy is comprehensively utilized, solar energy is sufficiently preferentially utilized
Heat, to be driven by electricity, adaptation to local conditions, economically using not by surface Weather influenced and it is pollution-free it is sustainable cleanly
Thermal energy takes storage double grading.
2, top movable formula radiator can be shifted according to demand, eliminate local non-uniform temperature.Perimetric pattern heat dissipation
Device solves traditional agriculture greenhouse outside wall surface, and nearby the low drawback of temperature, bottom fixed heat sink can maintain the growth of ground kind plant
Preference temperature.
3, the air heat energy floated at the top of greenhouse on winter can be transferred to soil by the water-loop heat pump positioned at greenhouse top, real
The transfer of existing energy, avoids the loss of heat;It is embedded in the super heat-conductive pipe of underground, automatically the heat in soil is delivered to ground
Face, and moving thermal insulation cover board can be used and carry out opening and closing adjusting.
4, system function is complete, adaptable, installs on the spot, and system configuration deployment etc. is flexible.It can expire
The energy and temperature control demand of sufficient modern agriculture greenhouse.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the principles of the present invention figure;
Fig. 3 is the floor map in the agricultural greenhouse pipe trench region of the utility model;
In figure, greenhouse 1, A class greenhouse 1a, B class greenhouse 2, solar-heating heat storage pool 3, roof are cooling
Heat-proof device 4, double layer light transmission film 5, U-shaped underground pipe 6, super heat-conductive pipe 7, moving thermal insulation cover board 8, wind pipe type water-loop heat pump 9, periphery
Area's radiator 10, top movable radiator 11, bottom floor fixed heat sink 12, heat exchanger 13 in pond, water source heat pump units 14,
Hydraulic module 15, pipe trench 16, collecting-tank 17.
Specific embodiment
As shown in Figure 1-3, this solar heat underground heat complementation energy facilities agricultural greenhouse, including several greenhouses 1, in greenhouse
Hydraulic module 15 and water source heat pump units 14 are installed in greenhouse 1, hydraulic module 15 is connected with water source heat pump units 14, greenhouse
The flooring of greenhouse 1 is equipped with several pipe trench 16, wherein preferably, pipe trench 16 here is criss-cross respectively to be arranged thus will
Flooring is divided into multiple rectangular areas.Preferably, pipe trench 16 here for return water collector is connected separately with water resource heat pump
Unit 14, wind pipe type water-loop heat pump 9 and its solar-heating regenerative structure, and be connected with and be arranged in greenhouse for return water collector
Radiator structure in 1, it is preferable that radiator structure here may include the peripheral region heat dissipation being separately positioned in greenhouse 1
Device 10, top movable radiator 11 and bottom floor fixed heat sink 12, and peripheral region radiator 10, top movable radiator 11
It is connected respectively with hydraulic module 15 with bottom floor fixed heat sink 12.Obviously, pass through direct sunlight heat and electric drive water/ground
The nature clean reproducible energy such as source heat pump, completes cold and hot amount using the nest of tubes being arranged in pipe trench criss-cross in greenhouse
Transmission & distribution fully meet the energy demand of greenhouse round-the-clockly.In addition, passing through radiator, water-loop heat pump, roof spray equipment and ground
It buries the equipment such as heat pipe and adjusts greenhouse room temperature, suitable growing environment can be provided for the kind plant in greenhouse.
Specifically, water source heat pump units 14 here are connected with U-shaped underground pipe 6 with collecting-tank 17 respectively, Water source heat pump unit
Group 14 and U-shaped underground pipe 6 are equipped with ground source shut-off valve, and water source heat pump units 14 and collecting-tank 17 are equipped with water source side shut-off valve, and
Water source heat pump units 14 are connected with wind pipe type water-loop heat pump 9 by switching valve.Wherein, here tool in wind pipe type water-loop heat pump 9
There is blower, and the air outlet of blower is by the upside down setting of greenhouse 1.Wherein, collecting-tank 17 here is respectively and wind pipe type
The cooling heat-proof device 4 of water-loop heat pump 9 and the roof that 1 upper end of greenhouse is arranged in is connected, U-shaped underground pipe 6 and wind pipe type water
Ring heat pump 9 is connected.
Further, solar-heating regenerative structure here may include solar-heating heat storage pool 3, solar-heating
Heat storage pool 3 is equipped with solar temperature rising structure, and is equipped in the pond being connected with hydraulic module 15 and changes in solar-heating heat storage pool 3
Hot device 13, it is preferable that solar temperature rising structure here includes the double layer light transmission film 5 for being located at 3 upper end of solar-heating heat storage pool.
In addition, being respectively equipped with several moving thermal insulation cover boards 8 on the flooring of greenhouse 1 here, and 8 lower section of moving thermal insulation cover board
Equipped with super heat-conductive pipe 7.The cooling heat-proof device 4 in roof includes several sprinkler heads that 1 upper end of greenhouse is arranged in, and sprinkler head is equal
It is connected with collecting-tank 17.
The working principle of utility model device is as follows:Agricultural greenhouse is divided into according to kind of a floristics, energy demand etc.
Different regions, A class greenhouse 1a, B class greenhouse 2 etc..By taking A class greenhouse 1a as an example.In the equipment of greenhouse
It is interior that the equipment such as hydraulic module 15, water source heat pump units 14 are installed, criss-cross pipe is dispersed in the flooring of greenhouse
Ditch 16, hot cold water prepared by water source heat pump units 14, wind pipe type water-loop heat pump 9 and solar-heating heat storage pool 3 can transport to pipe
Arrange in ditch 16 for return water collector.Branch pipe and the top movable radiator 11 of end, bottom fixed heat sink 12 and perimetric pattern
Radiator 10 is connected.In summer operating mode, water source heat pump units 14 are beaten by the U-shaped underground pipe 6 into soil in nest of tubes region
Ground source shut-off valve is opened, water source side shut-off valve is closed or collecting-tank 17 opens water source side shut-off valve, close ground source shut-off valve
Middle heat dissipation and then the cold water prepared pass through interior radiator, and wind pipe type water-loop heat pump 9 is room and then radiating to collecting-tank 17
Interior offer cold air, while the cooling heat-proof device 4 in the roof at the top of greenhouse is opened, sprinkling water mist is suitable to provide in greenhouse chamber
Cooling capacity.In winter when operating condition, water source heat pump units 14 open ground source by the U-shaped underground pipe 6 into soil in nest of tubes region
Shut-off valve closes water source side shut-off valve or collecting-tank 17 and opens water source side shut-off valve, close in ground source shut-off valve take heat into
And the hot water prepared can also be used by solar radiation through double layer light transmission film 5 by interior radiator as solar energy heating storage
Water in pond 3 after heating is directly supplied to interior radiator after heat exchanger 13 in pond exchanges heat, meanwhile, open the work at ground
Dynamic heat-preserving cover plate 8, the super heat-conductive pipe 7 by being embedded in underground take heat to provide heat for interior from soil.Hot-air under winter condition
Density is low, and rising phenomenon is serious, and the hot-air on greenhouse top is delivered under greenhouse using the blower of wind pipe type water-loop heat pump 9
Portion;On the other hand, switch 9 operating condition of wind pipe type water-loop heat pump, absorb the heat of greenhouse top hot-air carrying through U-shaped underground pipe 6
It is delivered to underground, the heat supplemented with soil side.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although greenhouse 1, A class greenhouse 1a, B class greenhouse 2, solar-heating is used more herein to store
Hot pond 3, roof cooling heat-proof device 4, double layer light transmission film 5, U-shaped underground pipe 6, super heat-conductive pipe 7, moving thermal insulation cover board 8, wind pipe type
Water-loop heat pump 9, peripheral region radiator 10, top movable radiator 11, bottom floor fixed heat sink 12, heat exchanger 13 in pond,
The terms such as water source heat pump units 14, hydraulic module 15, pipe trench 16, collecting-tank 17, but the possibility using other terms is not precluded
Property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention;It is construed as any
The additional limitation of one kind is all contrary to the spirit of the present invention.
Claims (10)
1. a kind of solar heat underground heat complementation energy facilities agricultural greenhouse, including several greenhouses (1), which is characterized in that in temperature
Hydraulic module (15) and water source heat pump units (14), the hydraulic module (15) and water source heat are installed in room greenhouse (1)
Pump assembly (14) is connected, and the flooring of the greenhouse (1) is equipped with several pipe trench (16), the confession of the pipe trench (16)
Return water collector is connected separately with water source heat pump units (14), wind pipe type water-loop heat pump (9) and its solar-heating regenerative structure, and
Described is connected with the radiator structure being arranged in greenhouse (1) for return water collector.
2. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 1, which is characterized in that the water source heat
Pump assembly (14) is connected with U-shaped underground pipe (6) with collecting-tank (17) respectively, water source heat pump units (14) and U-shaped buried
It manages (6) and is equipped with ground source shut-off valve, the water source heat pump units (14) and collecting-tank (17) are equipped with water source side shut-off valve, and institute
The water source heat pump units (14) stated are connected with wind pipe type water-loop heat pump (9) by switching valve.
3. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 2, which is characterized in that the collecting-tank
(17) heat-proof device (4) phase is cooled down on the roof of greenhouse (1) upper end with wind pipe type water-loop heat pump (9) and setting respectively
Even, the U-shaped underground pipe (6) is connected with wind pipe type water-loop heat pump (9).
4. the according to claim 1 or 2 or 3 solar heat underground heat complementation energy facilities agricultural greenhouses, which is characterized in that described
Radiator structure includes peripheral region radiator (10), top movable radiator (11) and the bottom being separately positioned in greenhouse (1)
Portion floor fixed heat sink (12), and peripheral region radiator (10), top movable radiator (11) and the bottom floor is solid
Determine radiator (12) to be connected with hydraulic module (15) respectively.
5. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 4, which is characterized in that the solar energy
Heat supply regenerative structure includes solar-heating heat storage pool (3), and the solar-heating heat storage pool (3) is equipped with solar temperature rising
Structure, and heat exchanger (13) in the pond being connected with hydraulic module (15) is equipped in the solar-heating heat storage pool (3).
6. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 5, which is characterized in that the solar energy
Heating structure includes the double layer light transmission film (5) for being located at solar-heating heat storage pool (3) upper end.
7. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 4, which is characterized in that the greenhouse is big
It is respectively equipped with several moving thermal insulation cover boards (8) on the flooring of canopy (1), and is equipped with below the moving thermal insulation cover board (8)
Super heat-conductive pipe (7).
8. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 7, which is characterized in that the wind pipe type
There is blower, and the air outlet of the blower is by greenhouse (1) upside down setting in water-loop heat pump (9).
9. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 3, which is characterized in that the roof is cold
But heat-proof device (4) includes sprinkler head of several settings in greenhouse (1) upper end, and the sprinkler head is and collecting-tank
(17) it is connected.
10. solar heat underground heat complementation energy facilities agricultural greenhouse according to claim 1, which is characterized in that the pipe trench
(16) criss-cross respectively to be arranged flooring being divided into multiple rectangular areas.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820296772.8U CN208143973U (en) | 2018-03-04 | 2018-03-04 | Solar heat underground heat complementation energy facilities agricultural greenhouse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820296772.8U CN208143973U (en) | 2018-03-04 | 2018-03-04 | Solar heat underground heat complementation energy facilities agricultural greenhouse |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208143973U true CN208143973U (en) | 2018-11-27 |
Family
ID=64383582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820296772.8U Active CN208143973U (en) | 2018-03-04 | 2018-03-04 | Solar heat underground heat complementation energy facilities agricultural greenhouse |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208143973U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108353698A (en) * | 2018-03-04 | 2018-08-03 | 河北陆特新能源科技有限公司 | Solar heat underground heat complementation energy facilities agricultural greenhouse |
-
2018
- 2018-03-04 CN CN201820296772.8U patent/CN208143973U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108353698A (en) * | 2018-03-04 | 2018-08-03 | 河北陆特新能源科技有限公司 | Solar heat underground heat complementation energy facilities agricultural greenhouse |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104429714B (en) | A kind of photovoltaic ecology roof | |
CN102550340B (en) | Solar regenerative heating device for greenhouse heating | |
CN104719043B (en) | A kind of phase-transition heat-storage is nursed young plants in hothouses device | |
CN104025947A (en) | Novel self-circulation greenhouse | |
CN203884310U (en) | Novel self-circulation greenhouse | |
CN110268882A (en) | Novel agricultural Greenhouse System and solar energy accumulation energy supplying system | |
CN104170684B (en) | There is the multi-functional photovoltaic agricultural greenhouse of self-cleaning function | |
CN103314838B (en) | Accumulation of heat-heating system and the application on water-cultivating thereof | |
CN206061687U (en) | A kind of greenhouse of active control soil air humiture | |
CN108353698A (en) | Solar heat underground heat complementation energy facilities agricultural greenhouse | |
KR102008223B1 (en) | Vinyl house with heat storage and insulation means of solar heat structure | |
CN202143375U (en) | Plastic-covered greenhouse adopting plastic pipe network radiator and auxiliary heating source for heating | |
CN208143973U (en) | Solar heat underground heat complementation energy facilities agricultural greenhouse | |
CN105104021A (en) | Solar warming system for facility cultivation | |
CN211129137U (en) | Hydrologic cycle control by temperature change big-arch shelter | |
CN207948341U (en) | Adjustable warm area earth source heat pump agricultural greenhouse system | |
CN218302493U (en) | Zero-energy greenhouse based on PVT (photovoltaic thermal transfer) | |
CN207383081U (en) | A kind of temperature-increasing system of heliogreenhouse | |
KR101303576B1 (en) | Soil heating apparatus using remainded Heat of house and heat pump | |
CN212436587U (en) | Wind-solar energy intelligent control combined supply system heat-preservation type greenhouse | |
CN102283054B (en) | Greenhouse using plastic pipe network radiator and auxiliary heat source for heating | |
CN108064611B (en) | Temperature-adjustable area ground source heat pump agricultural greenhouse system | |
CN211241030U (en) | Indoor planting and breeding temperature control and water collection system | |
CN213841382U (en) | Photovoltaic and photo-thermal renewable energy multi-storage recycling system | |
CN211353327U (en) | Winter lawn bed heating system based on solar energy |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |