CN116171768A - Sunlight greenhouse heat preservation quilt and arrangement method thereof - Google Patents
Sunlight greenhouse heat preservation quilt and arrangement method thereof Download PDFInfo
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- CN116171768A CN116171768A CN202310239351.7A CN202310239351A CN116171768A CN 116171768 A CN116171768 A CN 116171768A CN 202310239351 A CN202310239351 A CN 202310239351A CN 116171768 A CN116171768 A CN 116171768A
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- 238000004321 preservation Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000009413 insulation Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 5
- 239000012780 transparent material Substances 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
- E04D13/106—Snow removing devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G2009/1492—Cleaning apparatus
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Soil Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Greenhouses (AREA)
Abstract
The invention relates to the field of sunlight greenhouse, in particular to a sunlight greenhouse heat preservation quilt and an arrangement method thereof. The roof frame adopts a composite double-layer structure, the top layer of the roof frame is provided with the waterproof heat-insulating layer for preserving heat in the sunlight greenhouse, the waterproof heat-insulating layer is made of transparent materials and can allow sunlight to irradiate into the sunlight greenhouse, and the roof frame is internally provided with the plurality of strip air bags for driving the waterproof heat-insulating layer to locally move, so that snow on the roof is actively removed in long-time snowfall weather, and the snow is prevented from freezing into ice.
Description
Technical Field
The invention relates to the field of sunlight greenhouse related, in particular to a sunlight greenhouse heat preservation quilt and an arrangement method thereof.
Background
The sunlight greenhouse is a short term of energy-saving sunlight greenhouse, also called a greenhouse, and consists of gable walls on two sides, a maintained wall body, a supporting framework and a covering material. Is a unique greenhouse type in northern areas of China. The greenhouse is a greenhouse which is not heated indoors, and can realize heat accumulation and release through solar energy absorption by the rear wall body, and a certain indoor temperature level is maintained so as to meet the growth needs of vegetable crops.
The ceiling of the conventional sunlight greenhouse has the following defects: in order to ensure that crops in a sunlight greenhouse keep enough illumination intensity, most of the ceilings of the sunlight greenhouse are covered by transparent films, in order to keep the temperature in the sunlight greenhouse stable (especially in winter, the temperature in the sunlight greenhouse needs to be kept high), the films on the ceilings are made of heat insulation materials, snow is easy to be accumulated on the ceilings in winter, and after the snow is accumulated on the ceilings of the sunlight greenhouse, when the snow falls off for a long time at a lower temperature, the films are easy to be accumulated on the ceilings for a long time, even the films are damaged after freezing, and due to the heat insulation property of the films, the ice layers on the films can only be melted by sunlight and the lifting of the ambient temperature, but when snow falls off for a long time, the ice layers on the films cannot be melted in time, and the films are easy to be crushed after the snow accumulates, and the snow on the ceilings on the long time cannot fall off actively, so that vicious circulation is easy to aggravate the damage of the films, and even the ceilings are directly damaged, so a novel ceiling structure is necessary to be designed to solve the problems.
Disclosure of Invention
Based on the above, it is necessary to provide a sunlight greenhouse heat preservation quilt and an arrangement method thereof, aiming at the problems of the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the utility model provides a sunlight greenhouse heat preservation quilt, includes the canopy roof frame that links firmly with warmhouse booth, with the waterproof heat preservation that the top seal of canopy roof frame links firmly and a plurality of group is used for from inside to outside with the last protruding jacking piece of waterproof heat preservation corresponding position jack-up, waterproof heat preservation is made by the waterproof thermal insulation material of elasticity and the top of waterproof heat preservation still links firmly and is used for compressing tightly the clamping ring on the canopy roof frame with it, and the canopy roof frame is the circular arc platy structure that suits with warmhouse booth roof structure, and a plurality of group go up protruding jacking piece and set up on the canopy roof frame along the equidistant and end to end of canopy roof frame axis, every go up protruding jacking piece and all include a plurality of length direction and be on a plurality of canopy roof frame axis direction and around the rectangular gasbag of canopy roof frame axis equiangular distribution's strip gasbag, still be provided with on the canopy roof frame and be used for to the inflation mechanism of a plurality of strip gasbag.
Preferably, the shed roof frame includes the support frame of a plurality of along its axial end to end and a plurality of group epirelief jacking spare of one-to-one, every the support frame is all including being the upper roof frame and the lower roof frame that arc platy structure and upper and lower interval set up, is provided with a plurality of rectangular fixed frame that sets up and length direction is on a parallel with upper roof frame axis direction around its axis equiangle between upper roof frame and the lower roof frame, rectangular fixed frame is hollow out construction, and the upper and lower end of rectangular fixed frame links firmly with upper roof frame and lower roof frame respectively, every group a plurality of rectangular gasbag in the epirelief jacking spare all sets up on the support frame around the equiangular setting of support frame axial, all offered a plurality of strip logical groove of a plurality of rectangular gasbag in every group epirelief jacking spare on every epirelief jacking spare, and every group all be equipped with a rectangular fixed frame between two adjacent rectangular gasbags in the epirelief jacking spare, the top of epirelief jacking spare is provided with a plurality of rectangular fixed frame's light transmission spare in one-to-one correspondence, and every group is used for dodging the greenhouse frame and has set up a plurality of light and has set up down the interval along the equal length of fixed frame and has set up the transmission glass that the transmission of a plurality of strip is used for the greenhouse to send out down.
Preferably, each of the two ends of the elongated air bags are fixedly connected with connecting discs, each of the elongated air bags is coaxially sleeved on a middle cylinder, two connecting discs are coaxially fixedly connected with the middle cylinder, air inlet nozzles for inward inflation are formed at the two ends of each of the elongated air bags, corresponding outer wall convex pipes are formed at the two ends of the corresponding middle cylinder, each air inlet nozzle is fixedly connected with the corresponding outer wall convex pipe through a bent pipe in a sealing manner, a plurality of elongated air bags in two groups of adjacent upward-protruding jacking members axially correspond to each other along a shed roof frame, sealing inner pipes for sealing connection of the two adjacent upward-protruding jacking members are coaxially arranged between the two corresponding middle cylinders of the two groups of adjacent upward-protruding jacking members, the two ends of each middle cylinder are fixedly connected with the corresponding upward-jacking frame through a coupling, and a plurality of middle round pipes are connected with an inflation mechanism.
Preferably, the cross section of rectangular gasbag is hollow oval structure, the middle part drum along canopy top frame axial both ends is close to the rotary joint that links to each other with inflating mechanism that is connected with of equal coaxial dynamic seal in the one end in canopy top frame outside, sealed inner tube includes two coaxial sealed movable inner tubes that link firmly, and two movable inner tubes respectively move sealed coaxial setting in two middle part drums, the connecting seat is the axle bed, and movable inner tube can rotate through the axle bed set up in last roof frame bottom, all includes two sets of gasbag groups in each group go up protruding jacking piece, and every group gasbag group all includes half rectangular gasbag in the protruding jacking piece of going up, and a plurality of rectangular gasbag cross-over interval in two groups gasbag groups sets up, and two canopy top frame looks backsides that correspond with two groups of going up protruding jacking piece of the outside all are provided with the actuating mechanism that links to each other with two group of corresponding gasbag in the protruding jacking piece of the outside, and two groups actuating mechanism are used for driving respectively and go up the two groups of protruding jacking piece in one of gasbag group in the outside and a plurality of drum synchronous rotation in the group, and two groups of driving mechanism drive two groups of middle part drums in the two groups of the protruding jacking piece are crisscross each other.
Preferably, the two adjacent middle cylinder ends in each air bag group connected with the driving mechanism are connected through step belt transmission, each driving mechanism is a small-sized gear motor fixedly arranged at the bottom of the corresponding lower top frame through a fixed bracket, and the output shaft of the small-sized gear motor is connected with one middle cylinder end in the air bag group through belt transmission.
Preferably, the cross-section of rectangular gasbag is the ring structure, the connecting seat is the fixing base, and middle part drum links firmly with last roof-rack through the fixing base, and a horizontal body is constituteed to a plurality of middle part pipe that sets up along the coaxial roof-rack axis direction, and one end opening and the other end closure of every horizontal body, inflation mechanism includes two intervals and sets up in the vertical arc pipeline of two support frame outer ends in the outside, and two vertical arc pipelines link to each other with the open end of a plurality of horizontal body of both sides respectively, and a plurality of horizontal body that two vertical arc pipelines link to each other are staggered each other.
Preferably, a side sealing plate for sealing and connecting the upper top frame and the lower top frame is further arranged between the upper top frame and the lower top frame of each supporting frame.
A method of arranging a solar greenhouse insulation, the method comprising the steps of:
s1, connecting a plurality of strip air bags with the bottoms of corresponding upper top frames, and then connecting the upper top frames with lower top frames;
s2, sequentially and fixedly connecting a plurality of support frames with the top of the sunlight greenhouse, and connecting the connected middle cylinders when the adjacent support frames are arranged;
and S3, finally connecting the air charging mechanism with a plurality of corresponding middle circular pipes, and then fixedly connecting a plurality of light-transmitting lenses, a rainproof heat-insulating layer and a compression ring with the canopy frame.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the roof frame adopts a composite double-layer structure, a waterproof heat-insulating layer is arranged on the top layer of the roof frame and used for preserving heat in a sunlight greenhouse, the waterproof heat-insulating layer is made of transparent materials and can allow sunlight to irradiate into the sunlight greenhouse, and a plurality of strip air bags are arranged in the roof frame so as to drive the waterproof heat-insulating layer to locally move, so that snow on the roof is actively removed in long-time snowfall weather, and the snow is prevented from freezing into ice;
secondly, the strip air bags can adopt air bags with elliptical sections, and the two driving mechanisms drive the air bags to rotate so as to drive the waterproof heat-insulating layer to undulate at intervals, and then drive snow on the waterproof heat-insulating layer to slide downwards;
thirdly, the strip air bags can adopt the air bags with circular sections, and a plurality of strip air bags which are arranged in a staggered way are inflated and sucked through the two transverse pipe bodies, so that the waterproof heat-insulating layer is driven to generate the wavy effect, and snow is driven to slide down.
Drawings
Fig. 1 is a schematic perspective view of an embodiment.
Fig. 2 is an exploded view of a three-dimensional structure of a roof rack and a waterproof insulation layer of an embodiment.
Fig. 3 is a schematic perspective view of the first embodiment.
Fig. 4 is an enlarged view of a partial structure at a in fig. 3.
Fig. 5 is an exploded perspective view of two roof racks according to the first embodiment.
Fig. 6 is an enlarged view of a partial structure at B in fig. 5.
Fig. 7 is an exploded perspective view of two roof racks according to the first embodiment.
Fig. 8 is a partial structure enlarged view at C in fig. 7 of the embodiment.
Fig. 9 is a schematic partial perspective view of a roof rack according to the first embodiment.
Fig. 10 is an enlarged view of a partial structure at D in fig. 9.
Fig. 11 is a partial structure enlarged view at E in fig. 9.
Fig. 12 is a schematic perspective view of an elongated balloon and a central cylinder according to an embodiment of the present invention.
Fig. 13 is a schematic view showing a rotation state of adjacent elongated air bags according to an embodiment.
Fig. 14 is a schematic view showing an arrangement state of a plurality of elongated air bags according to the second embodiment.
The reference numerals in the figures are: 1. a roof rack; 2. a waterproof heat-insulating layer; 3. an upper convex lifting member; 4. a compression ring; 5. a long air bag; 6. a support frame; 7. an upper top frame; 8. a lower top frame; 9. a strip fixing frame; 10. a light transmitting lens; 11. a connecting disc; 12. a middle cylinder; 13. bending the pipe; 14. a movable inner tube; 15. a coupling; 16. a rotary joint; 17. a shaft seat; 181. a first air bag set; 182. a second air bag group; 19. a fixed bracket; 20. a small-sized gear motor; 21. a synchronizing wheel; 22. a synchronous belt; 231. a first set of transverse tubes; 232. a second set of transverse tubes; 24. a longitudinal arcuate duct; 25. and (5) side sealing plates.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
First embodiment:
referring to fig. 1 to 13, the sunlight greenhouse heat preservation quilt comprises a greenhouse roof frame 1 fixedly connected with a greenhouse, a waterproof heat preservation layer 2 fixedly connected with the top of the greenhouse roof frame 1 in a sealing manner, and a plurality of groups of upward convex jacking members 3 for jacking the corresponding positions of the waterproof heat preservation layer 2 from inside to outside, wherein the waterproof heat preservation layer 2 is made of elastic waterproof heat insulation materials, the top of the waterproof heat preservation layer 2 is fixedly connected with a pressing ring 4 for tightly pressing the waterproof heat preservation layer on the greenhouse roof frame 1, the greenhouse roof frame 1 is of an arc plate-shaped structure suitable for the structure of the greenhouse roof, the groups of upward convex jacking members 3 are arranged on the greenhouse roof frame 1 at equal intervals and in an end-to-end connection manner along the axis of the greenhouse roof frame 1, each upward convex jacking member 3 comprises a plurality of long air bags 5 which are parallel to the axis direction of the greenhouse roof frame 1 in the length direction and distributed around the axis of the greenhouse roof frame 1 in equal angles, and an inflation mechanism for inflating the plurality of the long air bags 5 is further arranged on the greenhouse roof frame 1.
The greenhouse (namely, sunlight greenhouse) is not shown in the figure, a steel beam framework (not shown in the figure) similar to a strip arc plate structure is arranged at the top of the greenhouse, the bottom of the shed roof frame 1 is fixedly connected with the steel beam framework, the waterproof heat insulation layer 2 is fixedly connected with the shed roof frame 1 in a sealing way and used for slowing down the overflow of heat in the greenhouse from the top, simultaneously, outdoor rain and snow are prevented from falling into the greenhouse in rainy and snowy seasons, the growth of crops in the greenhouse is further influenced, an air source (not shown in the figure) for inflating a plurality of strip air bags 5 through an inflation mechanism is also arranged in the greenhouse, an air outlet of the air source is fixedly connected with the inflation mechanism through an air duct (not shown in the figure) fixedly arranged in the greenhouse in a sealing way, the inside of the ventilating duct is provided with a plurality of bi-directional valves (not shown in the figure) which are in one-to-one correspondence with a plurality of strip air bags 5, the bi-directional valves can control the inflation into a plurality of strip air bags 5 or the release of air in a plurality of strip air bags 5, the plurality of strip air bags 5 can expand after inflation, the strip air bags 5 in a plurality of raised jacking members 3 are mutually matched to jack up the corresponding positions of the waterproof insulation layer 2 upwards, and when the waterproof insulation layer 2 is jacked up each time, only one strip air bag 5 jacks up the corresponding position of the waterproof insulation layer 2 in two adjacent strip air bags 5 along the circumferential direction of the canopy frame 1, so that the waterproof insulation layer 2 integrally forms a structure similar to wavy interval fluctuation, in winter low-temperature snow falling weather, snow on the top of the waterproof insulation layer 2 can be jacked down, and excessive snow on the top of the canopy frame 1 is prevented, the device can also prevent the snow from freezing and aggravating the ageing and damage of the waterproof insulation layer 2 after long-time accumulation, the compression ring 4 is a metal sheet with a ring-like structure (because the roof frame 1 has a certain radian, the metal sheet is not in a rectangular straight plate structure but is bent with a certain radian), a plurality of bolts (not shown in the figure) fixedly connected with the top of the roof frame 1 after penetrating through the waterproof insulation layer 2 from top to bottom are fixedly screwed on the metal sheet, the heads of the bolts (namely the bolts are positioned at one end of the waterproof insulation layer 2 far away from the roof frame 1) are also sleeved with sealing rings (not shown in the figure) for keeping sealing with the waterproof insulation layer 2, the compression ring 4 is in a state shown in the figure 2, a plurality of transverse pressing plate structures uniformly distributed around the axial direction of the roof frame 1 are also formed in the middle, and a transverse pressing plate structure is arranged between every two adjacent strip air bags 5 along the circumferential direction of the roof frame 1, each transverse pressing plate structure is also fixedly connected with the roof frame 1 and then presses the waterproof heat-insulating layer 2 on the roof frame 1 (the waterproof heat-insulating layer 2 can be pressed on the roof frame 1 only by the rigidity of the transverse pressing plate structure without being fixedly connected with the roof frame 1), so when the strip air bags 5 jack up the corresponding positions of the waterproof heat-insulating layer 2, the transverse pressing plate structure can ensure that the waterproof heat-insulating layer 2 between the adjacent strip air bags 5 is always tightly attached to the roof frame 1, so that the waterproof heat-insulating layer 2 is prevented from being integrally jacked up by the adjacent two strip air bags 5, the waterproof heat-insulating layer 2 cannot form a structure similar to wavy interval fluctuation, snow on the subsequent waterproof heat-insulating layer 2 can slide down conveniently, and simultaneously, the bottom of the waterproof insulation layer 2 can be fixedly attached with a film pressure sensor (not shown in the figure) at the position corresponding to each strip air bag 5, and whether the corresponding strip air bag 5 can jack up the waterproof insulation layer 2 or not is detected through the film pressure sensor, so that whether the strip air bag 5 is broken accidentally or not is monitored remotely.
In order to connect the roof rack 1 and the plurality of strip air bags 5, the following features are specifically provided:
the shed roof frame 1 includes that a plurality of is followed its axial end to end and the support frame 6 of protruding jacking piece 3 in a plurality of group of one-to-one, every support frame 6 is all including being the upper roof frame 7 and the lower roof frame 8 that arc platy structure and upper and lower interval set up, is provided with a plurality of around its axis equiangular setting and length direction be on a parallel with the rectangular fixed frame 9 of upper roof frame 7 axis direction between the upper roof frame 7 and the lower roof frame 8, rectangular fixed frame 9 is hollow out structure, and rectangular fixed frame 9's upper and lower end links firmly with upper roof frame 7 and lower roof frame 8 respectively, every group a plurality of rectangular gasbag 5 in the protruding jacking piece 3 all set up on support frame 6 around support frame 6 axial equiangular setting, all set up the strip logical groove of a plurality of rectangular gasbag 5 in the protruding jacking piece 3 on every upper roof frame 7, and every group a plurality of rectangular gasbag 5 in the protruding jacking piece 3 all are equipped with rectangular fixed frame 9 of a plurality of strip, the top of upper roof frame 7 is provided with rectangular frame 9 and is led to the rectangular frame of a plurality of side by side and is equipped with down a plurality of transparent frame 10 and is used for the distance of penetrating light to set up down along a plurality of rectangular frame 9.
The waterproof heat preservation 2 is transparent material, make things convenient for sunshine to shine into warmhouse booth after permeating, because the length of warmhouse booth along warmhouse booth 1 axis direction often also is unequal, so design the support frame 6 of a plurality of end to end with the canopy roof 1, form holistic canopy roof 1 after combining a plurality of support frame 6, simultaneously also can effectively guarantee the rigidity of every upper roof 7 and lower roof 8, and upper roof 7 is too long along the length of axis direction also is unfavorable for production, transportation and installation, light-transmitting lens 10 is used for supplying the sunshine that passes waterproof heat preservation 2 to shine into warmhouse booth, and in order to make sunshine penetrate warmhouse booth through waterproof heat preservation 2, all offer a lot of logical groove structure on upper roof 7, lower roof 8 and the rectangular fixed frame 9, upper roof 7 strip leads to the groove department and also not to contact with waterproof heat preservation 2 simultaneously, through set up a plurality of light-transmitting lens 10 on upper roof 7, can guarantee that light-transmitting lens 10 department can play certain supporting role to waterproof heat preservation 2 to keep the heat preservation 2, the wholely smooth irradiation that is favorable to keeping the heat preservation.
In order to connect the elongated air bags 5, the canopy frame 1 and the adjacent raised jacking members 3, the following features are specifically provided:
each of the two ends of the strip-shaped air bags 5 are fixedly connected with connecting discs 11, each strip-shaped air bag 5 is coaxially sleeved on a middle cylinder 12, two connecting discs 11 are coaxially fixedly connected with the middle cylinder 12, two ends of each strip-shaped air bag 5 are respectively provided with an air inlet nozzle used for inward inflation, two ends of the corresponding middle cylinder 12 are respectively provided with a corresponding outer wall convex pipe, each air inlet nozzle is fixedly connected with the corresponding outer wall convex pipe in a sealing manner through an elbow 13, a plurality of strip-shaped air bags 5 in two groups of adjacent upward-protruding jacking members 3 axially along the shed roof frame 1 are in one-to-one correspondence, sealing inner pipes used for sealing connection of the two are coaxially arranged between two middle cylinders 12 corresponding to the two groups of upward-protruding jacking members 3, two ends of each middle cylinder 12 are coaxially fixedly connected through a coupling 15, and each middle cylinder 12 is fixedly connected with a corresponding upward-jacking frame 7 through two connecting seats.
Not shown in the figure are air inlet nozzles and outer wall convex pipes, a plurality of middle cylinders 12 are connected with an air duct, an air source is used for inflating the plurality of middle cylinders 12 through the air duct, a plurality of corresponding strip air bags 5 and middle cylinders 12 in the axial direction of the roof rack 1 are coaxially arranged, each middle cylinder 12 is inflated into the corresponding strip air bag 5 through an elbow 13, an electric control double-way valve (not shown in the figure) is further arranged at the end part of each elbow 13 so as to realize independent control of each strip air bag 5, other strip air bags 5 are prevented from being influenced after the damage of a certain strip air bag 5 in the coaxial direction, and a coupler 15 is used for guaranteeing the fixed connection of the two middle cylinders 12 which are coaxially arranged adjacently.
In order to enable the positions corresponding to the jack-up waterproof insulation layer 2 after the strip-shaped air bags 5 rotate, the following characteristics are specifically set:
the section of rectangular gasbag 5 is hollow oval structure, and the middle part drum 12 that is close to the canopy roof 1 outside along canopy roof 1 axial both ends is all coaxial movable sealed be connected with the rotary joint 16 that links to each other with the inflation mechanism, sealed inner tube includes two coaxial movable inner tubes 14 that seal firmly, and two movable inner tubes 14 move sealed coaxial setting respectively in two middle part drums 12, the connecting seat is axle bed 17, and movable inner tube 14 can rotate through axle bed 17 set up in the top frame 7 bottom, all includes two sets of gasbag group in every group of protruding jacking piece 3, and every group gasbag group all includes half rectangular gasbag 5 in the protruding jacking piece 3 of going up, and a plurality of rectangular gasbag 5 interval setting in two groups of gasbag group, and two corresponding driving mechanism that two group's jacking pieces 3 of going up corresponding gasbag group link to each other are provided with two group's in the two outer protruding jacking piece 3 of the opposite sides each other, and two groups driving mechanism are used for driving two group's in two group's the protruding jacking piece 3 of the middle part of one group 12 in the protruding jacking piece 3 of the outer side respectively and set up the mutual synchronous a plurality of gasbag 12 of group in the two groups of gasbag canopy and drive mechanism of the two groups are crisscross.
The middle cylinders 12 are connected with the ventilation pipeline, an air source supplies air to the middle cylinders 12 at the two ends through the ventilation pipeline and the rotary joints 16, the two adjacent middle cylinders 12 coaxially arranged along the axial direction of the canopy frame 1 are adjacent through the sealing inner pipe, so that the middle cylinders 12 at the end part continuously lead the filled air into the adjacent middle cylinders 12 through the sealing inner pipe, and the effect that the corresponding middle cylinders 12 along the axial direction of the canopy frame 1 can be gradually filled with air is realized;
the two groups of air bags in each group of the upward protruding jacking piece 3 are respectively a first air bag group 181 and a second air bag group 182, the first air bag group 181 and the second air bag group 182 are distributed at the positions shown in fig. 9, a plurality of strip air bags 5 in the two groups of air bags are mutually staggered, the corresponding plurality of middle cylinders 12 can be respectively driven to rotate through two driving mechanisms, and as the adjacent middle cylinders 12 coaxially arranged along the axial direction of the canopy frame 1 are coaxially and fixedly connected through a coupling 15, the two driving mechanisms can simultaneously drive the plurality of middle cylinders 12 to synchronously rotate, then drive the plurality of strip air bags 5 to rotate, the middle cylinders 12 and the ventilation pipeline are connected through a rotary joint 16, the plurality of middle cylinders 12 can be inflated under the condition that the ventilation pipeline is fixed on the canopy frame 1, the rotation of the middle cylinders 12 is not influenced, the strip air bags 5 are in an oval strip structure shown in fig. 12, and two adjacent strip air bags 5 in the upward protruding jacking piece 3 are in different states as shown in fig. 13, when the left strip air bag 5 in fig. 13 is in the vertical state as shown in fig. 13, the right strip air bag 5 is in the horizontal state (when the vertical state and the horizontal state are that the canopy frame 1 is extended to be in the horizontal state, the two strip air bags 5 are opposite to the canopy frame 1, namely, the left strip air bag 5 in fig. 13 is in the vertical state, and the right strip air bag 5 is in the horizontal state), so that under the synchronous driving of the two driving mechanisms, the synchronous driving of the two driving mechanisms can be realized by driving a plurality of strip air bags 5 to synchronously rotate, and then after the corresponding part of the waterproof insulation layer 2 is jacked up, the waterproof insulation layer 2 forms the effect similar to wavy interval fluctuation, so that the sliding of snow at the top of the waterproof insulation layer 2 is promoted, one movable inner pipe 14 of the sealing inner pipe is in threaded connection with the other movable inner pipe 14, and the opposite ends of the two movable inner pipes 14 are also provided with sealing rings for keeping sealing, the inner wall of one end of each middle cylinder 12 connected with the movable inner pipe 14 is coaxially provided with the sealing rings for connecting with the movable inner pipe 14 in a dynamic sealing way, and the opposite ends of the two adjacent middle cylinders 12 are coaxially arranged at a certain distance, so that the two movable inner pipes 14 are convenient to install, the two movable inner pipes 14 are coaxially arranged in the two middle cylinders 12, and the two middle cylinders 12 are coaxially arranged in the coupling 15.
In order to drive the plurality of strip airbags 5 to rotate, the following features are specifically provided:
the ends of two adjacent middle cylinders 12 in each air bag group connected with a driving mechanism are connected through step belt transmission, each driving mechanism is a small-sized gear motor 20 fixedly arranged at the bottom of the corresponding lower top frame 8 through a fixed bracket 19, and the output shaft of the small-sized gear motor 20 is connected with the end of one middle cylinder 12 in the air bag group through belt transmission.
The two adjacent middle cylinders 12 in the corresponding air bag group and the small speed reducing motor 20 and the corresponding middle cylinders 12 are connected through two synchronous wheels 21 and a synchronous belt 22 in a transmission manner, the corresponding lower top frame 8 is provided with avoidance holes for avoiding the synchronous belt 22 connected with the small speed reducing motor 20, the small speed reducing motor 20 is a stepping motor with a self-locking function, so that the rotating angle of each middle cylinder 12 can be accurately controlled, the fixing of the plurality of middle cylinders 12 can be maintained when the small speed reducing motor 20 does not rotate, when the plurality of strip air bags 5 do not need to be inflated to jack up the waterproof insulation layer 2, the state of the corresponding plurality of strip air bags 5 can be controlled by controlling the output shaft of the small speed reducing motor 20 to rotate for a certain angle, the strip air bags 5 on the greenhouse top frame 1 are in a vertical state as shown in the left strip air bag 5 in fig. 13, the upper end of the left sunlight side strip air bag 5 is protruded out of the top of the greenhouse top frame 1, and when the strip air bags 5 do not inflate, so that the upper end of the strip air bags 5 do not protrude out of the upper end of the greenhouse top frame 1 can be effectively reduced, and the irradiation of the plurality of air bags can be more radiated into the greenhouse.
In order to enable the positions corresponding to the jack-up waterproof insulation layer 2 after the strip-shaped air bags 5 rotate, the following characteristics are specifically set:
a side sealing plate 25 for sealing and connecting the upper top frame 7 and the lower top frame 8 is also arranged between the upper top frame 7 and the lower top frame 8 of each supporting frame 6.
The side sealing plates 25 are used for sealing the upper top frame 7 and the lower top frame 8, and sealing strips (not shown in the figure) for sealing are arranged between the side sealing plates 25 and the upper top frame 7, between the side sealing plates 25 and the lower top frame 8, between the adjacent upper top frames 7, between the adjacent lower top frames 8 and between the side sealing plates 25 of the adjacent supporting frames 6, respectively, so that outside rainwater is prevented from penetrating into the greenhouse.
Specific embodiment II:
on the basis of the first embodiment, referring to fig. 6 and 14, the difference from the first embodiment is that the section of the elongated air bag 5 may also be in a circular ring structure, the connecting seat is a fixed seat, the middle cylinder 12 is fixedly connected with the upper top frame 7 through the fixed seat, a plurality of middle circular pipes coaxially arranged along the axial direction of the top frame 1 form a transverse pipe body, one end opening and the other end of each transverse pipe body are closed, the air charging mechanism comprises two longitudinal arc pipes 24 arranged at the outer ends of the two support frames 6 at the outermost side at intervals, the two longitudinal arc pipes 24 are respectively connected with the opening ends of a plurality of transverse pipe bodies at two sides, and the plurality of transverse pipe bodies connected with the two longitudinal arc pipes 24 are mutually staggered.
The fixing seat is not shown in the figure, the plurality of transverse pipes are divided into a first transverse pipe group 231 and a second transverse pipe group 232, the two longitudinal arc pipes 24 and the plurality of transverse pipes are unfolded to form a planar schematic plan view as shown in fig. 14 (the longitudinal arc pipes 24 are connected with the support frame 6 to form an arc bent pipe 13 structure actually), the two longitudinal arc pipes 24 are communicated with the ventilation pipe, the two longitudinal arc pipes 24 can respectively inflate the corresponding plurality of transverse pipes, the plurality of transverse pipes connected with different longitudinal arc pipes 24 are staggered, the air source can sequentially inflate and suck the air in the two longitudinal arc pipes 24 through the ventilation pipe, namely, when the air source inflates one of the two longitudinal arc pipes 24, the air source simultaneously sucks air from the other longitudinal arc pipe 24, so that the air source inflates and expands the plurality of strip air bags 5 corresponding to the plurality of transverse pipes, the remaining strip air bags 5 shrink, then jack up the waterproof heat preservation layer 2 at the corresponding positions, and after the air source continuously sucks air, the air source can drive the waterproof heat preservation layer 2 to form a wavy structure.
A method of arranging a solar greenhouse insulation, the method comprising the steps of:
s1, firstly connecting a plurality of strip air bags 5 with the bottoms of corresponding upper top frames 7, and then connecting the upper top frames 7 with lower top frames 8;
s2, sequentially and fixedly connecting a plurality of support frames 6 with the top of the sunlight greenhouse, and connecting the connected middle cylinders 12 when the adjacent support frames 6 are arranged;
and S3, finally connecting the air charging mechanism with a plurality of corresponding middle circular tubes, and then fixedly connecting a plurality of light-transmitting lenses 10, a rainproof heat-insulating layer and a compression ring 4 with the roof frame 1.
Working principle: when the solar greenhouse is installed, a plurality of strip-shaped air bags 5 are connected with the bottoms of the corresponding upper top frames 7, then the upper top frames 7 are connected with the lower top frames 8, if necessary, a small-sized speed reducing motor 20 can be fixed on the corresponding lower top frames 8, then a plurality of support frames 6 are sequentially and fixedly connected with the tops of the solar greenhouse, the connected middle cylinders 12 are connected when adjacent support frames 6 are arranged, finally an inflation mechanism is connected with the corresponding plurality of middle circular tubes, then a plurality of light-transmitting lenses 10, a rainproof heat-insulating layer and a compression ring 4 are fixedly connected with the greenhouse top frames 1, and the tops of the fixing frames 19 and the two ends of the strip-shaped fixing frames 9 are of cambered structures, so that the solar greenhouse is better connected with the support frames 6;
for the first embodiment, the two small-sized gear motors 20 can drive the plurality of middle cylinders 12 to rotate at the same time, then drive the plurality of strip air bags 5 to rotate, and after the plurality of oval strip air bags 5 are inflated, the plurality of strip air bags 5 are mutually matched along the axial direction of the roof rack 1 to drive the corresponding positions of the waterproof heat preservation layer 2 to jack up at intervals, so that the waterproof heat preservation layer 2 integrally forms a structure similar to wavy interval fluctuation;
for the second embodiment, the air source and the two longitudinal arc-shaped pipelines 24 can respectively inflate into the corresponding plurality of transverse pipelines, the plurality of transverse pipelines connected with different longitudinal arc-shaped pipelines 24 are staggered, the air source can sequentially inflate and suck out the air in the two longitudinal arc-shaped pipelines 24 through the air channel, namely when the air source inflates one of the longitudinal arc-shaped pipelines 24, the air source simultaneously breathes in from the other longitudinal arc-shaped pipeline 24, so that the plurality of strip-shaped air bags 5 corresponding to the plurality of transverse pipelines are inflated and inflated, the rest strip-shaped air bags 5 are contracted, then the waterproof heat-insulating layer 2 at the corresponding position is jacked up, and the air source can drive the waterproof heat-insulating layer 2 to form a wavy undulating structure after continuously breathing in and sucking air;
so, in winter low temperature snow weather, can be with the snow roof at waterproof heat preservation 2 tops falls, prevent that canopy roof rack 1 top snow from too much and backlog, also can prevent that snow from piling up the back for a long time and freezing and aggravate ageing and the damage of waterproof heat preservation 2.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides a sunlight greenhouse heat preservation quilt, its characterized in that, including shed roof frame (1) that links firmly with warmhouse booth, waterproof heat preservation (2) and a plurality of group that link firmly with the top seal of shed roof frame (1) are used for by interior and outer protruding jacking piece (3) that correspond the position jack-up with waterproof heat preservation (2), waterproof heat preservation (2) are made by the waterproof thermal insulation material of elasticity and the top of waterproof heat preservation (2) still links firmly and is used for compressing tightly clamping ring (4) on shed roof frame (1), shed roof frame (1) are the circular arc platy structure that suits with warmhouse booth roof structure, and a plurality of group go up protruding jacking piece (3) are equidistant and end to end set up on shed roof frame (1) along shed roof frame (1) axis, every go up protruding jacking piece (3) all include that a plurality of length direction is on a parallel to shed roof frame (1) axis direction and wind rectangular (5) that shed roof frame (1) axis equiangular distribution's rectangular gasbag is used for a plurality of to aerify mechanism in still being provided with on shed roof frame (1).
2. The sunlight greenhouse heat preservation quilt according to claim 1, wherein the greenhouse top frame (1) comprises a plurality of supporting frames (6) which are connected end to end along the axial direction of the supporting frames and are in one-to-one correspondence with a plurality of groups of upward convex jacking members (3), each supporting frame (6) comprises an upward top frame (7) and a lower top frame (8) which are of arc-shaped platy structures and are arranged at intervals up and down, a plurality of strip fixing frames (9) which are arranged at equal angles around the axial direction of the supporting frames and are parallel to the axial direction of the upward top frame (7) in the length direction of the supporting frames (8) are arranged between the upward top frames (7) and the lower top frames (8), the upper ends and the lower ends of the strip fixing frames (9) are respectively fixedly connected with the upward top frames (7) and the lower top frames (8), a plurality of strip air bags (5) in each group of upward convex jacking members (3) are arranged on the supporting frames (6) at equal angles around the axial direction of the supporting frames (6), a plurality of strip air bags (5) in one-to-one group of upward top members (3) are arranged between the strip fixing frames (9) in one-to-one correspondence with the strip fixing frames (9), each group of light-transmitting parts comprises a plurality of light-transmitting lenses (10) which are distributed at equal intervals along the length direction of the long-strip fixing frame (9) and fixedly connected with the upper top frame (7), and a plurality of avoidance through grooves for allowing the light-transmitting parts to project downwards and irradiate into the greenhouse are formed in the lower top frame (8).
3. The sunlight greenhouse heat preservation quilt according to claim 2, wherein two ends of each strip air bag (5) are fixedly connected with connecting discs (11), each strip air bag (5) is coaxially sleeved on one middle cylinder (12), two connecting discs (11) are coaxially fixedly connected with the middle cylinder (12), two ends of each strip air bag (5) are respectively provided with an air inlet nozzle used for inward inflation, two ends of the corresponding middle cylinder (12) are respectively provided with a corresponding outer wall convex tube, each air inlet nozzle is fixedly connected with the corresponding outer wall convex tube in a sealing mode through an elbow (13), a plurality of strip air bags (5) in two groups of adjacent upper convex jacking pieces (3) in the axial direction of a shed roof frame (1) are in one-to-one correspondence, sealing inner tubes used for sealing the two connecting parts are coaxially arranged between two middle cylinders (12) corresponding to the two groups of upper convex jacking pieces (3), two middle cylinders (12) corresponding to the two groups of upper convex jacking pieces are coaxially connected with each other through a coupling (15), and the two middle cylinders (12) are fixedly connected with two corresponding circular tubes (7) through two middle seats.
4. The sunlight greenhouse heat preservation quilt according to claim 3, wherein the section of the strip air bags (5) is of a hollow oval structure, one ends, close to the outer sides of the canopy top frames (1), of the middle cylinders (12) at the two axial ends of the canopy top frames (1) are coaxially and dynamically sealed, rotary joints (16) connected with an inflation mechanism are connected to the sealing inner pipes, the sealing inner pipes comprise two movable inner pipes (14) which are coaxially and fixedly connected in a sealing manner, the two movable inner pipes (14) are respectively and dynamically sealed and coaxially arranged in the two middle cylinders (12), the connecting seat is a shaft seat (17), the movable inner pipes (14) can be rotatably arranged at the bottom of the upper top frames (7) through the shaft seat (17), each group of the upper convex lifting members (3) comprises two groups of air bags, one half of the strip air bags (5) in the upper convex lifting members (3) are arranged at intervals, two canopy top frames (1) corresponding to the two outermost two groups of the upper lifting members (3) are respectively and alternately arranged at intervals, the two opposite sides of the canopy top frames (1) corresponding to the two groups of the upper lifting members (3) are respectively connected with the two lifting members (12) in the two groups of the upper lifting members for driving the upper lifting members to rotate, and a plurality of middle cylinders (12) in the two groups of air bags driven by the two groups of driving mechanisms are mutually staggered.
5. The sunlight greenhouse heat preservation quilt according to claim 4, wherein the ends of two adjacent middle cylinders (12) in each air bag group connected with a driving mechanism are connected through a step belt transmission, each driving mechanism is a small-sized gear motor (20) fixedly arranged at the bottom of a corresponding lower top frame (8) through a fixing bracket (19), and an output shaft of the small-sized gear motor (20) is connected with the end of one middle cylinder (12) in the air bag group through a belt transmission.
6. A sunlight greenhouse heat preservation quilt according to claim 3, characterized in that the cross section of rectangular gasbag (5) is the ring structure, the connecting seat is the fixing base, middle part drum (12) links firmly with last roof-rack (7) through the fixing base, and a plurality of middle part pipe that sets up along the axis direction of roof-rack (1) coaxial constitutes a horizontal body, and one end opening and the other end closure of every horizontal body, inflation mechanism includes two interval longitudinal arc pipeline (24) that set up in the outer end of two support frames (6) in the outermost, and two longitudinal arc pipeline (24) link to each other with the open end of a plurality of horizontal body of both sides respectively, and a plurality of horizontal body that two longitudinal arc pipeline (24) link to each other are staggered each other.
7. A solar greenhouse heat preservation quilt according to claim 2, characterized in that a side sealing plate (25) for sealing and connecting the upper top frame (7) and the lower top frame (8) is arranged between the upper top frame (7) and the lower top frame (8) of each supporting frame (6).
8. A method of arranging a solar greenhouse insulation quilt, comprising a solar greenhouse insulation quilt according to any one of claims 1-3, characterized in that the arranging method comprises the steps of:
s1, connecting a plurality of strip air bags (5) with the bottoms of corresponding upper top frames (7), and then connecting the upper top frames (7) with lower top frames (8);
s2, sequentially and fixedly connecting a plurality of support frames (6) with the top of the sunlight greenhouse, and connecting the connected middle cylinders (12) when the adjacent support frames (6) are arranged;
and S3, finally connecting the air charging mechanism with a plurality of corresponding middle circular tubes, and then fixedly connecting a plurality of light-transmitting lenses (10), a rainproof heat-insulating layer and a compression ring (4) with the shed roof frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310239351.7A CN116171768A (en) | 2023-03-08 | 2023-03-08 | Sunlight greenhouse heat preservation quilt and arrangement method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310239351.7A CN116171768A (en) | 2023-03-08 | 2023-03-08 | Sunlight greenhouse heat preservation quilt and arrangement method thereof |
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| CN116171768A true CN116171768A (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310239351.7A Pending CN116171768A (en) | 2023-03-08 | 2023-03-08 | Sunlight greenhouse heat preservation quilt and arrangement method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10140879A (en) * | 1996-11-15 | 1998-05-26 | Toray Ind Inc | Roof snow removing sheet and installing method therefor |
| JP2006312857A (en) * | 2005-05-09 | 2006-11-16 | Akio Yuda | Falling snow preventive sheet |
| JP2014122547A (en) * | 2014-03-04 | 2014-07-03 | Hisashi Suzuki | Repeated operation type non-labor snow removal device for piled snow on pitched roof |
| CN106818308A (en) * | 2017-03-28 | 2017-06-13 | 湖南天爱农业科技有限公司 | A kind of greenhouse of snow defence anti-hail |
| CN111519845A (en) * | 2020-04-27 | 2020-08-11 | 李丽萍 | Prevent snow canopy structure for green house |
| CN111894214A (en) * | 2020-08-04 | 2020-11-06 | 张家港江苏科技大学产业技术研究院 | Automatic roof snow removing equipment |
-
2023
- 2023-03-08 CN CN202310239351.7A patent/CN116171768A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10140879A (en) * | 1996-11-15 | 1998-05-26 | Toray Ind Inc | Roof snow removing sheet and installing method therefor |
| JP2006312857A (en) * | 2005-05-09 | 2006-11-16 | Akio Yuda | Falling snow preventive sheet |
| JP2014122547A (en) * | 2014-03-04 | 2014-07-03 | Hisashi Suzuki | Repeated operation type non-labor snow removal device for piled snow on pitched roof |
| CN106818308A (en) * | 2017-03-28 | 2017-06-13 | 湖南天爱农业科技有限公司 | A kind of greenhouse of snow defence anti-hail |
| CN111519845A (en) * | 2020-04-27 | 2020-08-11 | 李丽萍 | Prevent snow canopy structure for green house |
| CN111894214A (en) * | 2020-08-04 | 2020-11-06 | 张家港江苏科技大学产业技术研究院 | Automatic roof snow removing equipment |
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