CN218851557U - Light guide and heat dissipation structure for sunshine cultivation house - Google Patents
Light guide and heat dissipation structure for sunshine cultivation house Download PDFInfo
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- CN218851557U CN218851557U CN202222242260.2U CN202222242260U CN218851557U CN 218851557 U CN218851557 U CN 218851557U CN 202222242260 U CN202222242260 U CN 202222242260U CN 218851557 U CN218851557 U CN 218851557U
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- Prior art keywords
- pipe
- heating
- wall
- heat
- heat exchange
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- 230000017525 heat dissipation Effects 0.000 title claims description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002918 waste heat Substances 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract 3
- 239000007789 gas Substances 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000009395 breeding Methods 0.000 abstract description 9
- 230000001488 breeding effect Effects 0.000 abstract description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 6
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 6
- 241001330002 Bambuseae Species 0.000 abstract description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 6
- 239000011425 bamboo Substances 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 5
- 239000000292 calcium oxide Substances 0.000 abstract description 4
- 235000012255 calcium oxide Nutrition 0.000 abstract description 4
- 230000000249 desinfective effect Effects 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 239000000920 calcium hydroxide Substances 0.000 abstract description 3
- 235000011116 calcium hydroxide Nutrition 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000008574 Capsicum frutescens Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 230000003938 response to stress Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Images
Classifications
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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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- Cultivation Of Plants (AREA)
Abstract
The utility model provides a sunshine is bred and is given up with leaded light heat radiation structure belongs to cultivation technical field, include, foundation building, frame and isolation canopy, the frame is fixed to be set up in foundation building's outer wall top department, keeps apart the outer wall department that the frame was located to the canopy cover, and the inside department of foundation building is located to the thermal insulation component, wherein: the heat preservation assembly comprises a heating cylinder, a heating net, a heating pipe, a heat exchange cylinder, a methane heating head, stirring fan blades, a heat exchange pipe, an extraction pipe and a waste heat sleeve, wherein the heating net is fixedly arranged at the center of the inner wall of the heating cylinder. Adopt the marsh gas heating, assist the heat preservation, and when breeding the house and disinfecting, in a heat exchange section of thick bamboo, pour into the quick lime of capacity into, calcium hydrate solution is used for breeding the house and disinfects the disinfection of disinfecting afterwards, produces a large amount of heats simultaneously, and hot exchange pipe carries out the heat exchange, and waste gas guarantees the telescopic water source temperature of waste heat, pours into the inside of a heat exchange section of thick bamboo into the water source afterwards, prepares to carry out calcium hydrate solution on next step.
Description
Technical Field
The utility model belongs to the technical field of breed, concretely relates to sunshine is bred and is given up light guide heat radiation structure.
Background
The cultivation refers to the cultivation and propagation of animals and plants, and the cultivation includes the species of livestock cultivation, poultry cultivation, aquaculture, special cultivation and the like.
In summer, the design of house is bred to tradition has the temperature higher, influence the feed intake of pig easily, the conversion rate of fodder reduces, the nutrition can not in time supply, the heat dissipation is slow, the reproductive capacity of live pig also can be influenced to the high temperature, influence the economic benefits that live pig was bred, in winter, tradition breed house need invest a large amount of manpower and materials in the aspect of keeping warm, the pig only afraid of chilly, afraid of the temperature difference of round the clock too big, the temperature is low in the house in winter, the inhomogeneous meeting of ventilation control can cause calorific loss, moist scheduling problem in the house, and be in the closed condition for a long time, harmful gas such as hydrogen sulfide and inhalable particulate matter can lead to the pig to be sick scheduling problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sunshine is bred and is given up with leaded light heat radiation structure aims at solving the problem that the background art provided.
A light-guiding and heat-dissipating structure for a sunlight cultivation house, which comprises,
the frame is fixedly arranged at the top of the outer wall of the foundation building, and the isolation shed is sleeved at the outer wall of the frame;
the heat preservation subassembly is located the inside department of foundation building, wherein: the heat preservation subassembly includes cartridge heater, heating network, heating pipe, heat exchange cylinder, marsh gas heating head, stirring fan blade, hot exchange pipe, extraction pipe and waste heat sleeve, the heating network is fixed to be set up in the inner wall center department of cartridge heater, the heating pipe passes through the buckle joint in the outer wall top department of heating network, the heat exchange cylinder is fixed to be set up in the inner wall bottom department of cartridge heater, the marsh gas heating head is located the heating network under department, stirring fan blade rotates to inlay the inside department of locating heat exchange cylinder, hot exchange pipe inlays the inside department of locating heat exchange cylinder, the one end of extraction pipe communicates in the top inner wall department of cartridge heater, and the outer wall bottom department of heat exchange cylinder is located in the other end intercommunication of extraction pipe, the outer wall department of cartridge heater is located to waste heat muffjoint.
Furthermore, the biogas heating head is communicated with the valve through a pipeline and is arranged on an external biogas supply device.
Further, the inner wall of cartridge heater is close to the fixed pipe that concentrates that is provided with in top department, and concentrates the top of pipe and rotate the cover and be equipped with the negative pressure flabellum, the inner wall of cartridge heater is close to the fixed spray pipe that is provided with in top.
Further, the outer wall bottom of the heating cylinder is fixedly provided with a driving motor, and the output end of the driving motor is fixedly arranged at the bottom of the outer wall of the stirring fan blade.
Furthermore, the heating pipe intercommunication is located the one end department of hot exchange pipe, the one end intercommunication of hot exchange pipe sets up in outside solar device, the heating pipe passes through the pipeline and sets up in outside insulating tube with the valve intercommunication, outside insulating tube inlays and locates the inside department of ground building.
Furthermore, the outer wall of the extraction pipe is embedded in the inner part of the waste heat sleeve, the top of the outer wall of the heat exchange barrel is communicated with an exhaust gas pipe, and the exhaust gas pipe is communicated with a pipeline through a valve to form a dispersion pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
in this scheme, through the heat preservation subassembly, can be based on solar energy collection heat, breed the house to winter night carries out stable heating, avoid being the difference in temperature great, make the pig in breeding the house produce stress reaction, and adopt the marsh gas heating, can guarantee in the time quantum that does not have sunshine, supplementary heat preservation, and when breeding the house and disinfecting, in heat exchange tube, add the water source of capacity, pour into the quick lime of capacity afterwards, will react and generate calcium hydroxide solution afterwards, calcium hydroxide solution is used for breeding the house and disinfects the disinfection, produce a large amount of heats simultaneously, heat exchange tube carries out heat exchange, carbon monoxide that produces after marsh gas burning, carbon dioxide and other gases, utilize calcium hydroxide solution to absorb afterwards, and will contain thermal waste gas and heat sleeve through waste heat sleeve heats simultaneously, guarantee waste heat telescopic water source temperature, pour into the inside of heat exchange tube into the water source afterwards, prepare to carry out calcium hydroxide solution on next step.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of the frame of the present invention;
FIG. 2 is a perspective view of the isolation shed of the present invention;
FIG. 3 is a half-sectional view of the heating cartridge of the present invention;
fig. 4 is a perspective view of the heating net of the present invention;
fig. 5 is a perspective view of the methane heating head of the present invention.
In the figure: 1. building a foundation; 2. a frame; 3. an isolation shed; 4. a heating cylinder; 5. heating the net; 6. heating a tube; 7. a heat exchange tube; 8. a biogas heating head; 9. a stirring fan blade; 10. a heat exchange tube; 11. a drive motor; 12. an exhaust gas pipe; 13. a dispersion pipe; 14. a concentration pipe; 15. negative pressure fan blades; 16. extracting a pipe; 17. a spray tube; 101. waste heat sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to fig. 1-5, the technical solution provided in this embodiment is as follows:
a light-guiding and heat-dissipating structure for a sunlight cultivation house, which comprises,
the system comprises a foundation building 1, a frame 2 and an isolation shed 3, wherein the frame 2 is fixedly arranged at the top of the outer wall of the foundation building 1, and the isolation shed 3 is sleeved at the outer wall of the frame 2;
the heat preservation subassembly is located 1 inside departments of foundation building, wherein: the heat preservation subassembly includes cartridge heater 4, heating network 5, heating pipe 6, heat exchange tube 7, marsh gas heating head 8, stirring fan blade 9, hot exchange pipe 10, extraction pipe 16 and waste heat sleeve 101, heating network 5 is fixed to be set up in the inner wall center department of cartridge heater 4, heating pipe 6 passes through buckle joint in the outer wall top department of heating network 5, heat exchange tube 7 is fixed to be set up in the inner wall bottom department of cartridge heater 4, marsh gas heating head 8 locates the heating network 5 under, stirring fan blade 9 rotates to inlay the inside department of locating heat exchange tube 7, hot exchange pipe 10 inlays the inside department of locating heat exchange tube 7, the one end of extraction pipe 16 communicates in the top inner wall department of cartridge heater 4, the outer wall bottom department of heat exchange tube 7 is located in the other end intercommunication of extraction pipe 16, waste heat sleeve 101 cover is located the outer wall department of cartridge heater 4.
The utility model discloses an in the embodiment, through the heat preservation subassembly, can be based on solar energy collection heat, breed the house to winter night carries out stable heating, avoid great for the difference in temperature, make the pig in breeding the house produce stress response, and adopt the marsh gas heating, can guarantee in the time quantum that does not have sunshine, supplementary heat preservation, and when breeding the house and disinfecting, in heat exchange section of thick bamboo 7, add the water source of capacity, pour into the quick lime of capacity afterwards, later with the reaction formation calcium hydroxide solution, then the calcium hydroxide solution is used for breeding the house and disinfects the disinfection, produce a large amount of heats simultaneously, hot exchange pipe 10 carries out heat exchange, the carbon monoxide that produces behind the marsh gas burning, carbon dioxide and other gas, utilize calcium hydroxide solution to absorb afterwards, and will contain thermal waste gas and heat sleeve 101 and heat simultaneously, guarantee waste heat sleeve 101's water source temperature, later pour into the inside of heat exchange section of thick bamboo 7 into the water source, prepare to carry out calcium hydroxide solution on next step.
Specifically, the biogas heating head 8 is communicated with the valve through a pipeline and is arranged on an external biogas supply device.
In the embodiment of the utility model, set up in outside marsh gas feeding device through pipeline and valve intercommunication through marsh gas heating head 8, can realize that stable marsh gas ignites, in actual working process, adopts outside pipeline to carry the inside department of heating pipe 6, keeps the supply of oxygen.
Specifically, the inner wall of cartridge heater 4 is close to the fixed pipe 14 that concentrates that is provided with in top department, and concentrates the top of pipe 14 and rotate the cover and be equipped with negative pressure fan blade 15, and the inner wall of cartridge heater 4 is close to the fixed spray pipe 17 that is provided with in top.
In the embodiment of the utility model, through negative pressure flabellum 15, can realize stable waste gas water conservancy diversion, through spray pipe 17, spray the calcium hydrate solution of capacity.
Specifically, the bottom of the outer wall of the heating cylinder 4 is fixedly provided with a driving motor 11, and the output end of the driving motor 11 is fixedly arranged at the bottom of the outer wall of the stirring fan blade 9.
In the embodiment of the present invention, the stable power supply can be realized by the driving motor 11.
Specifically, heating pipe 6 communicates and locates the one end department of hot exchange pipe 10, and the one end intercommunication of hot exchange pipe 10 sets up in outside solar device, and heating pipe 6 sets up in outside insulating tube through pipeline and valve intercommunication, and outside insulating tube inlays and locates the inside department of foundation building 1.
In the embodiment of the present invention, by the heat exchanging tube 10, stable heat supply can be realized.
Specifically, the outer wall of the extraction pipe 16 is embedded in the internal portion of the waste heat sleeve 101, the top of the outer wall of the heat exchange tube 7 is provided with an exhaust gas pipe 12 in a communication manner, and the exhaust gas pipe 12 is provided with a dispersion pipe 13 in a communication manner with the pipeline through a valve.
In the embodiment of the present invention, through the exhaust pipe 12 and the dispersion pipe 13, stable exhaust gas discharge can be realized.
The utility model provides a pair of sunshine is bred and gives up with leaded light heat radiation structure's work process does:
keep apart canopy 3 daytime and close sunshine board is whole, open ventilation window or wet curtain, and the cooperation fan carries out the negative pressure and ventilates, can open spraying system when more hot, cools down, winter protection is cold-proof in winter: can pack up the roll up curtain daytime, sunshine is directly to in the house, combine ventilation fan, temperature and humidity in the evenly adjustable house, the temperature is low when cooperating living beings ground to warm up excessively, play the effect of winter protection, marsh gas feeding device this moment, start marsh gas heating head 8, heat heating pipe 6, heat the inside ground warm water of heating pipe 6, accomplish ground heating afterwards, in heat exchange section of thick bamboo 7, add the water source of capacity, pour into the quick lime of capacity afterwards, will react and generate calcium hydroxide solution afterwards, calcium hydroxide solution is used for breeding the house and disinfects the disinfection, produce a large amount of heats simultaneously, heat exchange pipe 10 carries out heat exchange, carbon monoxide that produces after marsh gas burning, carbon dioxide and other gas, utilize calcium hydroxide solution to absorb afterwards, and will contain thermal waste gas and heat through waste heat sleeve 101 and heat simultaneously, guarantee waste heat sleeve 101's water source temperature, pour into the inside of heat exchange section of thick bamboo 7 into the water source afterwards, prepare to carry out calcium hydroxide solution on next step.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A light-guiding and heat-dissipating structure for a sunlight cultivation house is characterized by comprising,
the device comprises a foundation building (1), a frame (2) and an isolation shed (3), wherein the frame (2) is fixedly arranged at the top of the outer wall of the foundation building (1), and the isolation shed (3) is sleeved at the outer wall of the frame (2);
the heat preservation subassembly is located ground building (1) inside department, wherein: the heat preservation subassembly includes heating cylinder (4), heating network (5), heating pipe (6), heat exchange tube (7), marsh gas heating head (8), stirring fan blade (9), hot exchange tube (10), extraction pipe (16) and waste heat sleeve (101), heating network (5) are fixed to be set up in the inner wall center department of heating cylinder (4), heating pipe (6) are located in the outer wall top of heating network (5) through the buckle joint, heat exchange tube (7) are fixed to be set up in the inner wall bottom department of heating cylinder (4), marsh gas heating head (8) are located heating network (5) under, stirring fan blade (9) rotate to inlay the inside department of locating heat exchange tube (7), hot exchange tube (10) are inlayed in the inside department of heat exchange tube (7), the one end of extraction pipe (16) is linked together in the top inner wall department of heating cylinder (4), and the outer wall bottom department of heat exchange tube (7) is located in the other end intercommunication of extraction pipe (16), waste heat exchange tube (4) is located to the outer wall department, waste heat sleeve (101) are located the outer wall department of heating cylinder (4).
2. The light-guiding and heat-dissipating structure for the solar cultivation house according to claim 1, wherein the biogas heating head (8) is communicated with a valve through a pipeline and is disposed on an external biogas supply device.
3. The sunlight cultivation house light guide and heat dissipation structure as claimed in claim 2, wherein a concentration pipe (14) is fixedly arranged on the inner wall of the heating cylinder (4) near the top, a negative pressure fan blade (15) is rotatably sleeved on the top end of the concentration pipe (14), and a spraying pipe (17) is fixedly arranged on the inner wall of the heating cylinder (4) near the top.
4. The light guide and heat dissipation structure for the sunlight cultivation house according to claim 3, wherein the driving motor (11) is fixedly arranged at the bottom of the outer wall of the heating cylinder (4), and the output end of the driving motor (11) is fixedly arranged at the bottom of the outer wall of the stirring fan blade (9).
5. The light guide and heat dissipation structure for the sunlight cultivation house according to claim 4, wherein the heating pipe (6) is communicated with one end of the heat exchange pipe (10), one end of the heat exchange pipe (10) is communicated with an external solar device, the heating pipe (6) is communicated with a valve through a pipeline and is arranged on an external heat insulation pipe, and the external heat insulation pipe is embedded in the foundation building (1).
6. The light guide and heat dissipation structure for the sunlight cultivation house according to claim 5, wherein the outer wall of the extraction pipe (16) is embedded in the interior of the waste heat sleeve (101), the top of the outer wall of the heat exchange tube (7) is provided with an exhaust gas pipe (12) in a communication manner, and the exhaust gas pipe (12) is provided with a dispersion pipe (13) in a communication manner with a pipeline through a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222242260.2U CN218851557U (en) | 2022-08-24 | 2022-08-24 | Light guide and heat dissipation structure for sunshine cultivation house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222242260.2U CN218851557U (en) | 2022-08-24 | 2022-08-24 | Light guide and heat dissipation structure for sunshine cultivation house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218851557U true CN218851557U (en) | 2023-04-14 |
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ID=87373486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222242260.2U Active CN218851557U (en) | 2022-08-24 | 2022-08-24 | Light guide and heat dissipation structure for sunshine cultivation house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218851557U (en) |
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2022
- 2022-08-24 CN CN202222242260.2U patent/CN218851557U/en active Active
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