CN110810077A - Farming big-arch shelter with automatically function of cooling down - Google Patents
Farming big-arch shelter with automatically function of cooling down Download PDFInfo
- Publication number
- CN110810077A CN110810077A CN201911266528.2A CN201911266528A CN110810077A CN 110810077 A CN110810077 A CN 110810077A CN 201911266528 A CN201911266528 A CN 201911266528A CN 110810077 A CN110810077 A CN 110810077A
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- Prior art keywords
- greenhouse
- fixedly connected
- plate
- wall
- sliding plug
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Classifications
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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
- A01G9/22—Shades or blinds for greenhouses, or the like
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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
- A01G9/22—Shades or blinds for greenhouses, or the like
- A01G9/227—Shades or blinds for greenhouses, or the like rolled up during non-use
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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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
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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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
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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)
- Greenhouses (AREA)
Abstract
The invention discloses an agricultural planting greenhouse with an automatic cooling function, which comprises a greenhouse body consisting of a supporting plate and a greenhouse framework, wherein the supporting plate is fixedly connected to the ground, the greenhouse body consists of two vertical plates, the two vertical plates are symmetrically and fixedly connected to the ground, the upper ends of the vertical plates are fixedly connected with hollow plates, opposite side walls of the hollow plates are uniformly communicated with air guide plates, and one ends, far away from the side walls of the hollow plates, of the air guide plates are fixedly connected with sun shields in a hollow structure. When the external sunlight irradiation temperature is increased in the noon, the thermal expansion liquid is rapidly expanded, so that the gas introduced into the sun shield is expanded to shield the greenhouse protective film, the direct irradiation of sunlight to the greenhouse is reduced, the temperature increase amplitude in the greenhouse is reduced, and when the external sunlight irradiation temperature is reduced, the thermal expansion liquid is contracted, so that the gas in the sun shield is reduced to contract, the manual laying and detaching of the sun shield net are avoided, and the working intensity of people is reduced.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to an agricultural planting greenhouse with an automatic cooling function.
Background
The greenhouse is a device for cultivating crops so as to rapidly obtain high-quality crops and improve the yield of the crops.
When the agricultural greenhouse is used for cultivating crops, the temperature and the sunlight irradiation degree in the greenhouse are required to be kept at the production level of the crops, but the sunlight irradiation is strong at noon in summer, so that the evaporation capacity of water in the greenhouse is greatly increased, a series of hazards such as seedling withering and the like are caused, the yield of the crops is directly influenced, at present, when the greenhouse is cooled at noon in summer, most of the sunlight is shaded by adopting a sunshade net to achieve the sunshade effect, but the sunshade net is laid by people at noon at present, and needs to be detached at afternoon, so that the working strength of people is increased, and people are easy to suffer from sunstroke when working in an environment with overhigh temperature, in addition, when the sunshade net is laid on the greenhouse, the sunshade net is directly contacted with a greenhouse protection film, and heat dissipation in the greenhouse is not facilitated.
Therefore, an agricultural planting greenhouse with an automatic cooling function is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an agricultural planting greenhouse with an automatic cooling function.
In order to achieve the purpose, the invention adopts the following technical scheme:
an agricultural planting greenhouse with an automatic cooling function comprises a greenhouse body consisting of a supporting plate and a greenhouse framework, wherein the supporting plate and the greenhouse framework are fixedly connected to the ground, a greenhouse protective film is attached to the outside of the greenhouse framework, two vertical plates are symmetrically and fixedly connected to the ground and are positioned on the central axis of the greenhouse body symmetrically, the lower sides of the side walls of the vertical plates are made of transparent materials, sliding plug cavities are formed in the vertical plates, sliding plugs are connected to the inner walls of the sliding plug cavities in a sliding mode, thermal expansion liquid is arranged in a closed space formed by the lower ends of the sliding plugs and the inner bottoms of the sliding plug cavities, first telescopic air bags are fixedly connected to the upper ends of the sliding plugs, second telescopic air bags are sleeved on the side walls of the first telescopic air bags, and annular cavities are formed by;
the hollow plate is arranged in the riser upper end fixedly connected with, the hollow plate inner wall is communicated with the first telescopic air bag through an air inlet cavity, the hollow plate is communicated with the air guide plate through opposite side wall uniform distribution, the air guide plate is far away from the sun shield with the hollow plate side wall and the one end fixedly connected with is of a hollow structure, the sun shield lower end fixedly connected with is of a hollow structure, water spray holes are formed in the water spray plate through uniform distribution, the water spray plate inner wall is communicated with the annular cavity inner wall through an one-way water outlet pipe, and a ventilation device for ventilating the greenhouse body is arranged in the support plate.
Preferably, ventilation unit includes the slider, the cavity has been seted up to the equipartition in the backup pad, slider and cavity inner wall sliding connection, and bottom pass through memory spring and slider lower extreme fixed connection in the cavity, the ventilation hole with external intercommunication is seted up to the relative inner wall of cavity.
Preferably, the sun visor is made of elastic plastic, a heat insulation material is arranged in the sun visor, and a light reflection coating is arranged at the upper end of the sun visor.
The invention has the following beneficial effects:
1. by arranging the sliding plug cavity, the thermal expansion liquid, the sliding plug, the first telescopic air bag, the hollow plate, the air guide plate and the sun shield, when the ambient sunshine irradiation temperature rises in the noon, the thermal expansion liquid is rapidly expanded to push the sliding plug to move upwards, so that the first telescopic air bag is compressed, gas in the first telescopic air bag enters the sun shield through the air guide plate, after the gas is introduced into the sun shield, the sun shield is stretched to shield a greenhouse protective film, the direct irradiation of sunlight to the greenhouse protective film is reduced, the temperature rise amplitude in the greenhouse is reduced, when the ambient sunshine irradiation temperature falls, the sliding plug moves downwards due to the contraction of the thermal expansion liquid, the first telescopic air bag is driven to extend, the gas in the sun shield is reduced, the sun shield is contracted, the manual laying and disassembling of a sun shield net are avoided, and the working intensity of people is reduced;
2. by arranging the second telescopic air bag, the one-way water outlet pipe, the sprinkling plate and the water spraying holes, the second telescopic air bag is extruded when the sliding plug moves upwards, so that water in the annular cavity is extruded into the sprinkling plate and is sprayed out from the water spraying holes to sprinkle a greenhouse protection film, the reduction of the temperature in the greenhouse is accelerated, and crops are protected;
3. by arranging the sliding block, the vent hole, the memory spring and the sliding block, when the temperature in the greenhouse is too high to reach the abnormal temperature of the memory spring, the memory spring extends to push the sliding block to move upwards, so that the vent hole is opened, and the heat emission in the greenhouse is accelerated;
4. the vertical plate can be completely shielded after the sun shield is extended, so that the thermal expansion liquid is not irradiated by sunlight, the temperature in the thermal expansion liquid is reduced, the thermal expansion liquid contracts to drive the sliding plug to move downwards, the tail part of the sun shield is folded, the thermal expansion liquid can continue to be irradiated by the sunlight after the tail part of the sun shield is folded, the thermal expansion liquid is heated and expanded, the sun shield continues to be unfolded, airflow can be disturbed in the process that the tail part of the sun shield contracts and extends back and forth, the air flow at the ventilation hole is accelerated, and the heat dissipation in the greenhouse is accelerated;
5. can contract into spherically through the sunshading board, reduce the occupation space of sunshading board, avoid sheltering from sunshine and to the shining of crops in the big-arch shelter, and then influence the growth of crops, the suitability is strong.
Drawings
FIG. 1 is a schematic structural view of an agricultural planting greenhouse with an automatic cooling function according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic side sectional view of an agricultural planting greenhouse with an automatic cooling function according to the present invention;
FIG. 4 is a schematic top view of an agricultural planting greenhouse with an automatic cooling function according to the present invention;
fig. 5 is a schematic structural view of the agricultural planting greenhouse with an automatic cooling function provided by the invention when the sun shield is opened.
In the figure: the greenhouse comprises a supporting plate 1, a greenhouse framework 2, a vertical plate 3, a sliding plug cavity 4, a sliding plug 5, a first telescopic air bag 6, a second telescopic air bag 7, an annular cavity 8, a hollow plate 9, an air guide plate 10, a sun shield 11, a one-way water outlet pipe 12, a sprinkling plate 13, a water spray hole 14, a cavity 15, a vent hole 16, a sliding block 17 and a memory spring 18.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-5, an agricultural planting greenhouse with an automatic cooling function comprises a greenhouse body consisting of a supporting plate 1 and a greenhouse framework 2 which are fixedly connected to the ground, a greenhouse protective film is attached to the outside of the greenhouse framework 2, two vertical plates 3 are symmetrically and fixedly connected to the ground, the two vertical plates 3 are located on the central axis of the greenhouse body and are symmetrical, the lower portions of the side walls of the vertical plates 3 are made of transparent materials, a sliding plug cavity 4 is formed in each vertical plate 3, a sliding plug 5 is slidably connected to the inner wall of the sliding plug cavity 4, thermal expansion liquid is arranged in a closed space formed by the lower end of each sliding plug 5 and the bottom of the corresponding sliding plug cavity 4, the thermal expansion liquid is kerosene with a higher expansion coefficient, a first telescopic air bag 6 is fixedly connected to the upper end of each sliding plug 5, a second telescopic air bag 7 is sleeved on the side wall of each first telescopic air bag, a through hole is arranged above the inner wall of the sliding plug cavity 4 and used for balancing the air pressure when the sliding plug 5 moves upwards;
the upper end of the vertical plate 3 is fixedly connected with a hollow plate 9, the inner wall of the hollow plate 9 is communicated with the first telescopic air bag 6 through an air inlet cavity, the opposite side walls of the hollow plate 9 are uniformly communicated with an air guide plate 10, one end, far away from the side walls of the hollow plate 9, of the air guide plate 10 is fixedly connected with a sun shield 11 which is of a hollow structure, the sun shield 11 is composed of elastic plastics, and the sun shield 11 can be contracted so that the occupied area of the sun shield 11 is reduced when the sun shield is not needed due to the fact that the sun shield 11 is contracted, heat insulation materials are arranged in the sun shield 11, the situation that the external temperature enters the greenhouse protection film through the sun shield 11 is avoided, and a light reflecting coating is arranged at the upper end of the sun shield 11, the external;
it should be noted that, when the greenhouse is shaded by inflating and extending the inside of the sun visor 11, the distance between the sun visor 11 and the greenhouse is 15-20cm, so as to avoid the influence of the attachment of the sun visor 11 to the outer wall of the greenhouse on the emission of the temperature in the greenhouse.
11 lower extreme fixedly connected with of sunshading board is hollow structure's watering plate 13, hole for water spraying 14 has been seted up to the equipartition in the watering plate 13, watering plate 13 inner wall is through one- way outlet pipe 12 and 8 inner walls intercommunications of annular chamber, one-way outlet pipe 12 only allows water to enter into watering plate 13 from annular chamber 8 in, 8 lateral walls of annular chamber are connected with external water source through one-way pipe that absorbs water, for prior art, this function can be realized through the check valve to one-way outlet pipe 12 and one-way pipe that absorbs water, install the ventilation unit who ventilates this internal to the big-arch shelter in the backup pad 1.
The ventilation device comprises a slide block 17, cavities 15 are uniformly distributed on a support plate 1, the slide block 17 is in sliding connection with the inner wall of the cavity 15, the bottom in the cavity 15 is fixedly connected with the lower end of the slide block 17 through a memory spring 18, a through hole is formed above the inner wall of the cavity 15 and used for balancing the air pressure in the cavity 15 when the slide block 17 moves, a ventilation hole 16 communicated with the outside is formed in the inner wall of the cavity 15, further, the height of the slide block 17 is larger than the diameter of the ventilation hole 16, the memory spring 18 is made of a titanium-nickel alloy material, the metamorphic temperature of the titanium-nickel alloy material is 40 ℃, when the temperature on the memory spring 18 is below 40 ℃, the memory spring 18 is in a contraction state, so that the slide block 17 blocks the ventilation hole 16 and keeps the temperature in the greenhouse, when the temperature on the memory spring 18 is above 40 ℃, the memory spring 18 extends to, and cooling the greenhouse.
Further, sunshading board 11 can carry out comprehensive sheltering from riser 3 after extending, the thermal expansion liquid is not receiving sunshine and shines the back temperature decline, make thermal expansion liquid shrink drive sliding plug 5 and move down, make 11 afterbody of sunshading board pack up, pack up the back at 11 afterbody of sunshading board, the thermal expansion liquid can receive sunshine and shine the thermal expansion, make sunshading board 11 continue to be expanded, the in-process that the shrink extended is made a round trip at 11 afterbody of sunshading board, can disturb the air current, thereby accelerate the air flow of 16 departments of ventilation hole, thereby accelerate giving off the inside thermal of big-arch shelter, it is required to explain, the range that 11 afterbody of sunshading board made a round trip to shrink and extend is less, avoid sunshading board 11 to shrink too big, the influence.
Further, when the external sunshine shines the temperature and descends in summer for kerosene contracts, drives sliding plug 5 and moves down, and then makes first flexible gasbag 6 absorb the gas in sunshading board 11, makes sunshading board 11 shrink, makes when the external sunshine shines the temperature and descends, and the crops in the big-arch shelter can receive sunshine and shine, is favorable to the production of crops, avoids sunshading board 11 to carry out the sunshade to the big-arch shelter always.
In the invention, when the external temperature is higher at noon in summer, the thermal expansion liquid is heated to expand to push the sliding plug 5 to move upwards, the first telescopic air bag 6 and the second telescopic air bag 7 are compressed, so that the gas in the first telescopic air bag 6 enters the hollow plate 9 through the air inlet cavity, the sun shield 11 is inflated through the air guide plate 10, the sun shield 11 is opened to shield the greenhouse, meanwhile, when the first telescopic air bag 6 and the second telescopic air bag 7 are compressed, the water in the annular cavity 8 enters the water sprinkling plate 13 through the one-way water outlet pipe 12 and is sprayed from the water spraying holes 14 to sprinkle water outside the greenhouse, and after the temperature in the greenhouse reaches the metamorphosis temperature of the memory spring 18, the memory spring 18 is extended to extend the memory spring 18 to push the sliding block 17 to move upwards, so that the ventilation holes 16 in the inner wall of the cavity 15 are opened, and the heat in the greenhouse is diffused.
When the outside temperature is lower, the thermal expansion liquid contracts to drive the sliding plug 5 to move downwards, the first telescopic air bag 6 and the second telescopic air bag 7 are pulled to extend, the first telescopic air bag 6 absorbs the gas in the sun shield 11, the sun shield 11 contracts, meanwhile, the annular cavity 8 absorbs water through the one-way water absorption pipe, when the temperature in the greenhouse drops to below the metamorphosis temperature of the memory spring 18, the memory spring 18 contracts, the pulling sliding block 17 moves downwards, the ventilation hole 16 is shielded, and heat preservation is performed in the greenhouse.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. An agricultural planting greenhouse with an automatic cooling function comprises a greenhouse body consisting of a supporting plate (1) fixedly connected to the ground and a greenhouse framework (2), wherein a greenhouse protective film is attached to the outer side of the greenhouse framework (2), the greenhouse protective film is characterized in that the ground is symmetrically and fixedly connected with two vertical plates (3), the two vertical plates (3) are located in the center axis of the greenhouse body and are symmetrical, the lower part of the side wall of each vertical plate (3) is made of transparent materials, a sliding plug cavity (4) is formed in each vertical plate (3), the inner wall of each sliding plug cavity (4) is slidably connected with a sliding plug (5), thermal expansion liquid is arranged in a closed space formed by the lower end of each sliding plug (5) and the bottom of each sliding plug cavity (4), a first telescopic air bag (6) is fixedly connected to the upper end of each sliding plug (5), and a second telescopic air bag (7) is sleeved on the side wall of, the side wall of the first telescopic air bag (6) and the outer wall of the second telescopic air bag (7) form an annular cavity (8);
hollow plate (9) in riser (3) upper end fixedly connected with, just well hollow plate (9) inner wall communicates through air inlet chamber and first flexible gasbag (6), well hollow plate (9) relative lateral wall equipartition intercommunication air deflector (10), the one end fixedly connected with that well hollow plate (9) lateral wall was kept away from in air deflector (10) is hollow structure's sunshading board (11), sunshading board (11) lower extreme fixedly connected with is hollow structure's watering board (13), hole for water spraying (14) have been seted up to the equipartition in watering board (13), watering board (13) inner wall communicates through one-way outlet pipe (12) and annular chamber (8) inner wall, install the ventilation unit who ventilates to this internal carrying on of big-arch shelter on backup pad (1).
2. The agricultural planting greenhouse with the automatic cooling function as claimed in claim 1, wherein the ventilation device comprises a sliding block (17), the supporting plate (1) is uniformly provided with cavities (15), the sliding block (17) is in sliding connection with the inner walls of the cavities (15), the bottom in the cavities (15) is fixedly connected with the lower ends of the sliding block (17) through a memory spring (18), and the inner walls of the cavities (15) are provided with ventilation holes (16) communicated with the outside.
3. The agricultural planting greenhouse with the automatic cooling function as claimed in claim 1, wherein the sun shading plate (11) is made of elastic plastic, heat insulation materials are arranged in the sun shading plate (11), and a light reflecting coating is arranged at the upper end of the sun shading plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266528.2A CN110810077A (en) | 2019-12-11 | 2019-12-11 | Farming big-arch shelter with automatically function of cooling down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911266528.2A CN110810077A (en) | 2019-12-11 | 2019-12-11 | Farming big-arch shelter with automatically function of cooling down |
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| CN110810077A true CN110810077A (en) | 2020-02-21 |
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| CN201911266528.2A Withdrawn CN110810077A (en) | 2019-12-11 | 2019-12-11 | Farming big-arch shelter with automatically function of cooling down |
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| CN111328593A (en) * | 2020-04-16 | 2020-06-26 | 李芝 | Automatic vegetable greenhouse of cooling humidification |
| CN111441815A (en) * | 2020-04-16 | 2020-07-24 | 吴文旭 | Automatic watering type fire extinguishing device in coal mine |
| CN111535514A (en) * | 2020-05-12 | 2020-08-14 | 邓新美 | Skylight for glass greenhouse with sunshade cooling function |
| CN111631055A (en) * | 2020-06-08 | 2020-09-08 | 曹剑 | Self-cooling skylight for glass greenhouse |
| CN111741201A (en) * | 2020-07-07 | 2020-10-02 | 吴改变 | Self-adaptive outdoor monitoring camera |
| CN111972191A (en) * | 2020-08-14 | 2020-11-24 | 杭州王之新创信息技术研究有限公司 | Automatic watering system for plant planting and plant planting greenhouse |
| CN111990124A (en) * | 2020-08-17 | 2020-11-27 | 陈旭 | Device capable of adjusting illumination intensity of greenhouse |
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| CN114112022A (en) * | 2021-10-12 | 2022-03-01 | 敦吉电子（上海）有限公司 | Lamp radiation intensity testing equipment |
| CN114402882A (en) * | 2022-02-09 | 2022-04-29 | 辽宁省农业科学院 | Constant-temperature preservation structure for kaffir lily cultivation and preservation method thereof |
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| WO2023160661A1 (en) * | 2022-02-28 | 2023-08-31 | 深圳市博德维环境技术股份有限公司 | Foldable and storable airbag component, control method, airbag device and light-transmission chamber |
| CN117860470A (en) * | 2024-03-11 | 2024-04-12 | 南通科威瀚医疗科技有限公司 | Portable heat preservation device based on body temperature intelligence accuse temperature |
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| CN108979443A (en) * | 2018-07-18 | 2018-12-11 | 杨宁静 | One kind is from window opening-closing |
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Application publication date: 20200221 |