CN210152842U - Geothermal power generation system - Google Patents
Geothermal power generation system Download PDFInfo
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- CN210152842U CN210152842U CN201920223911.9U CN201920223911U CN210152842U CN 210152842 U CN210152842 U CN 210152842U CN 201920223911 U CN201920223911 U CN 201920223911U CN 210152842 U CN210152842 U CN 210152842U
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- geothermal
- geothermal power
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- 238000010248 power generation Methods 0.000 title claims abstract description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000011858 nanopowder Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 230000017525 heat dissipation Effects 0.000 claims description 30
- 238000004146 energy storage Methods 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 11
- 229910002804 graphite Inorganic materials 0.000 abstract description 4
- 239000010439 graphite Substances 0.000 abstract description 4
- -1 graphite alkene Chemical class 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The embodiment of the utility model provides a geothermal power generation system, geothermal power generation system includes geothermal energy collection assembly, hot steam generation assembly and geothermal power generation assembly; the geothermal collection assembly comprises a graphene heat conducting rod, carbon nano powder, a supporting framework and a heat conducting pipe; the graphene heat conducting rod is fixed on the supporting framework, the carbon nano powder is filled in a gap between the graphene heat conducting rod and the supporting framework, one end of the heat conducting pipe is connected with the graphene heat conducting rod, and the other end of the heat conducting pipe is connected with the hot steam generation assembly; the hot steam generation assembly and the geothermal power generation assembly are connected through a steam conveying pipeline. The utility model provides a pair of geothermal power generation system, through with coefficient of heat conductivity higher, specific surface area is bigger, the young modulus is bigger and the better graphite alkene material of tensile strength as heat conduction stick and heat conduction pipe in geothermal collection assembly. The geothermal energy collecting assembly can adapt to the high-temperature and high-pressure environment of the underground deep layer, collect geothermal resources with higher thermal efficiency of the deep layer and improve the economic benefit of the geothermal resources.
Description
Technical Field
The utility model relates to a geothermal application especially relates to a geothermal power generation system.
Background
With the reduction of fossil energy and the improvement of environmental awareness of people, geothermal resources are more and more valued by people. Geothermal resource utilization is listed as a major scientific project facing 2030 countries, and by 2030, geothermal utilization accounts for 3% of primary energy consumption and total geothermal energy value accounts for 4% of national GDP. Geothermal power generation is an environment-friendly pollution-free power generation technology which utilizes underground hot water and steam as power sources to drive a generator to generate power.
At present, the utilization of geothermal resources is limited by collecting heat energy in shallow depth below the earth surface, the maximum exploitation depth does not exceed 2500m, and the temperature of underground hot water which can be utilized is 70-90 ℃.
However, the cost of geothermal utilization for the temperature range is high, and the economic benefit is low, so a geothermal exploitation scheme capable of adapting to the high-temperature and high-pressure environment deeper underground needs to be researched and used in a geothermal power generation system, so that the economic benefit of geothermal resources is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a geothermal power generation system to solve the unable geothermol power exploitation environment's that adapts to high temperature high pressure environment problem of current geothermal power generation system.
The utility model provides a geothermal power generation system, which comprises a geothermal acquisition assembly, a hot steam generation assembly and a geothermal power generation assembly;
the geothermal collection assembly comprises a graphene heat conduction rod, carbon nano powder, a supporting framework and a heat conduction pipe; the graphene heat conducting rod is fixed on the supporting framework, the carbon nano powder is filled in a gap between the graphene heat conducting rod and the supporting framework, one end of the heat conducting pipe is connected with the graphene heat conducting rod, and the other end of the heat conducting pipe is connected with the hot steam generation assembly; the heat transfer pipe is a graphene composite heat transfer pipe;
the hot steam generation assembly and the geothermal power generation assembly are connected through a steam conveying pipeline.
Optionally, the hot steam generation assembly comprises a water storage chamber, a hot steam chamber, an energy storage chamber, a gas production well, a recharging well and a replenishing well;
the water storage chamber is stored with water for generating steam, the energy storage chamber is connected with the water storage chamber through a heat dissipation telescopic rod, a cavity part except the water is the hot steam chamber, and nano-silver adhesive energy storage filling materials are stored in the energy storage chamber;
the inlet of the gas production well is connected with the hot steam chamber through a pipeline, and the steam of the hot steam chamber is collected;
the water outlets of the recharging well and the replenishing well are connected with the water storage chamber.
Optionally, a water-steam separation tower and a steam tank are arranged between the hot steam generation assembly and the geothermal power generation assembly;
an inlet of the water-vapor separation tower is connected with an outlet of the gas producing well, a steam outlet of the water-vapor separation tower is connected with an inlet of the steam tank, and a condensed water outlet of the water-vapor separation tower is connected with an inlet of the recharging well;
an outlet of the steam drum is connected with the geothermal power generation assembly.
Optionally, the geothermal power generation assembly comprises a steam turbine and a generator, a steam inlet of the steam turbine is connected with an outlet of the steam tank, and a rotating shaft of the steam turbine is connected with a rotor of the generator.
Optionally, a heat dissipation telescopic rod support frame is fixed on the energy storage chamber, the heat dissipation telescopic rod is movably connected with the heat dissipation telescopic rod support frame, the heat dissipation telescopic rod is fixedly connected with a telescopic mechanism, and the telescopic mechanism drives the heat dissipation telescopic rod to perform telescopic motion.
To the prior art, the utility model discloses possess following advantage:
the utility model provides a pair of geothermal power generation system, through use coefficient of heat conductivity higher, specific surface area is bigger, the young modulus is bigger and the better graphite alkene material of tensile strength as heat conduction stick and heat conduction pipe in geothermal collection assembly. Therefore, the geothermal energy collecting assembly can adapt to the high-temperature and high-pressure environment of the underground deep layer, can collect geothermal resources with higher thermal efficiency of the underground deep layer, and improves the economic benefit of the geothermal resources.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of a geothermal power generation system according to an embodiment of the present invention;
fig. 2 is a schematic view of a geothermal energy collection assembly of a geothermal power generation system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a hot steam generation assembly of a geothermal power generation system according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
It should be understood that the specific embodiments described herein are merely illustrative of the present invention, and are not intended to limit the present invention.
Referring to fig. 1 and 2, the present invention provides a geothermal power generation system, which includes a geothermal collection assembly 10, a hot steam generation assembly 11, and a geothermal power generation assembly 12;
the geothermal collection assembly 10 comprises graphene heat conducting rods 101, carbon nano powder 102, a supporting framework 103 and a heat conducting pipe 104; the graphene heat conducting rod 101 is fixed on the supporting framework 103, the carbon nano powder 102 is filled in a gap between the graphene heat conducting rod 101 and the supporting framework 103, one end of the heat conducting pipe 104 is connected with the graphene heat conducting rod 101, and the other end is connected with the hot steam generation assembly 11; wherein the heat transfer conduit 104 is a graphene composite heat transfer conduit;
the hot steam generation assembly 11 and the geothermal power generation assembly 12 are connected through a steam delivery pipe.
Specifically, as shown in fig. 1, the geothermal power generation system provided by the present invention includes a geothermal heat collecting assembly 10, a hot steam generating assembly 11 and a geothermal power generating assembly 12; the geothermal collection assembly 10 is used for collecting underground geothermal resources, and the hot steam generation assembly 11 heats water by using heat energy, so that liquid water is vaporized into steam, and the steam is conveyed to the geothermal power generation assembly 12 through a steam conveying pipeline, thereby realizing conversion of heat energy, mechanical energy and electric energy. The geothermal collection assembly 10 is not shown in fig. 1 as it is disposed inside the hot steam generation assembly 11. As shown in fig. 2, the geothermal heat collecting assembly 10 includes a graphene heat conducting rod 101, carbon nano-powder 102, a supporting framework 103, and a heat conducting pipe 104. The supporting framework 103 is the whole structure framework of the geothermal collection assembly 10, and the graphene heat conducting rod 101 is fixed on the supporting framework 103, and of course, the graphene heat conducting rod 101 can be laid according to the shape of S shape, spiral shape or other shapes, and the utility model discloses do not restrict to this. The thermal conductivity coefficient of the graphene thermal conductive rod is usually more than 5000W/mK, and the specific surface area is usually more than 3000m2The/g nano graphene-mesoporous carbon mixed material is prepared, so that a large enough heat collection area and high heat energy collection performance can be ensured. Because the inevitable clearance exists between the graphene heat conduction rod 101 and the supporting framework 103, in order to ensure the heat energy collection effect, the graphene heat conduction rod 101 and the supporting frameworkThe carbon nano powder 102 is filled in the gap of the frame 103, and the loss of heat at the gap is prevented by the carbon nano powder 102. One end of the heat conduction pipe 104 is connected with the graphene heat conduction rod 101, the other end is connected with the hot steam generation assembly 11, and the heat conduction pipe 104 is a graphene composite heat conduction pipe, so that the heat conduction pipe is prevented from melting and deforming when heat is conducted in a high-temperature and high-pressure environment.
The utility model provides a pair of geothermal power generation system, through use coefficient of heat conductivity higher, specific surface area is bigger, the young modulus is bigger and the better graphite alkene material of tensile strength as heat conduction stick and heat conduction pipe in geothermal collection assembly. Therefore, the geothermal energy collecting assembly can adapt to the high-temperature and high-pressure environment of the underground deep layer, can collect geothermal resources with higher thermal efficiency of the underground deep layer, and improves the economic benefit of the geothermal resources.
Optionally, referring to fig. 3, the hot steam generation assembly 11 includes a water storage chamber 111, a hot steam chamber 112, an energy storage chamber 113, a gas production well 114, a recharge well 115, and a replenishment well 116;
the water storage chamber 113 stores water for generating steam, the energy storage chamber 113 is connected with the water storage chamber 111 through a heat dissipation telescopic rod, a cavity part except the water is the hot steam chamber 112, and nano silver adhesive energy storage filling materials are stored in the energy storage chamber 113;
the inlet of the gas production well 114 is connected with the hot steam chamber 112 through a pipeline, and the steam of the hot steam chamber 112 is collected;
the outlets of the recharging well 115 and the replenishing well 116 are connected with the water storage chamber 111.
Specifically, as shown in fig. 3, the aforementioned hot steam generation assembly 11 includes a water storage chamber 111, a hot steam chamber 112, an energy storage chamber 113, a gas production well 114, a recharge well 115, and a replenishment well 116. When actually manufacturing such a device, the water storage chamber 111, the hot steam chamber 112, and the energy storage chamber 113 may be in the same large cavity, and a top protective cover and a surrounding protective cover are provided outside, wherein the space at the bottom of the cavity stores water for generating steam as the water storage chamber 111; the energy storage chamber 113 may be a part of the space isolated from the cavity, in which the nano-silver colloid energy storage filling material is stored for absorbing and storing geothermal resources from the geothermal energy collection assembly 10. The energy storage chamber 113 and the water storage chamber 111 are connected through a heat dissipation telescopic rod, one part of the heat dissipation telescopic rod extends into the water in the water storage chamber 111, and the other part of the heat dissipation telescopic rod is located in the nano silver colloid energy storage filling material in the energy storage chamber 113, so that heat in the energy storage chamber 113 can be transferred into the water, and the water is vaporized to generate water vapor through heating. In the entire cavity, except for the space occupied by the water and the energy storage chamber 113, the remaining space is the hot steam chamber 112 for containing hot steam. The inlet of the gas producing well 114 is connected with the hot steam chamber 112 through a pipeline, the steam of the hot steam chamber 112 is collected, and the outlets of the recharging well 115 and the replenishing well 116 are connected with the water storage chamber 111. The recharging well 115 can collect and recharge condensed water formed in the hot steam transmission process to the water storage chamber 111 to realize water recycling, and the replenishing well 116 can supply water to the water storage chamber 111 by using an external water storage container so as to reduce water loss and ensure the preparation efficiency of hot steam.
Optionally, referring to fig. 1, a water-steam separation tower 13 and a steam tank 14 are arranged between the hot steam generation assembly 11 and the geothermal power generation assembly 12;
the inlet of the water-vapor separation tower 13 is connected with the outlet of the gas production well 114, the steam outlet of the water-vapor separation tower 14 is connected with the inlet of the steam tank 14, and the condensed water outlet of the water-vapor separation tower 13 is connected with the inlet of the recharging well 115;
the outlet of the steam drum 14 is connected to the geothermal power generation assembly 12.
Specifically, as shown in fig. 1, a steam-water separation tower 13 and a steam tank 14 are arranged between the hot steam generation assembly 11 and the geothermal power generation assembly 12, an inlet of the steam-water separation tower 13 is connected with an outlet of the gas production well 114, a steam outlet of the steam-water separation tower 14 is connected with an inlet of the steam tank 14, and a condensed water outlet of the steam-water separation tower 13 is connected with an inlet of the recharging well 115, so that when hot steam passes through the steam-water separation tower 13, condensed water generated due to temperature reduction can enter the recharging well 115 through the condensed water outlet and flow back to the water storage chamber 111, and the hot steam can continuously enter the steam tank 14 through the steam outlet to complete subsequent energy form conversion, and is collected through the steam tank 14 to drive the geothermal power generation assembly 12 to generate power.
Alternatively, referring to fig. 1, the geothermal power generation assembly 12 includes a steam turbine 121 and a generator 122, wherein a steam inlet of the steam turbine 121 is connected to an outlet of the steam tank 14, and a rotating shaft of the steam turbine 121 is connected to a rotor of the generator 122.
Specifically, as shown in fig. 1, the geothermal power generation assembly 12 includes a steam turbine 121 and a generator 122, a steam inlet of the steam turbine 121 is connected to an outlet of the steam drum 14, and a rotating shaft of the steam turbine 121 is connected to a rotor of the generator 122. Thus, the hot steam from the steam drum 14 can drive the blades of the steam turbine 121 to rotate, thereby driving the rotation of the rotating shaft, which in turn drives the rotation of the rotor of the generator 122 connected thereto, thereby generating electrical energy.
Optionally, a heat dissipation telescopic rod support frame is fixed on the energy storage chamber 113, the heat dissipation telescopic rod is movably connected with the heat dissipation telescopic rod support frame, the heat dissipation telescopic rod is fixedly connected with a telescopic mechanism, and the telescopic mechanism drives the heat dissipation telescopic rod to perform telescopic motion.
Specifically, a heat dissipation telescopic rod support frame is fixed on the energy storage chamber 113, the heat dissipation telescopic rod is movably connected with the heat dissipation telescopic rod support frame, the heat dissipation telescopic rod and the heat dissipation telescopic rod support frame can move relative to each other, the heat dissipation telescopic rod is fixedly connected with a telescopic mechanism, the telescopic mechanism drives the heat dissipation telescopic rod to move in a telescopic mode, the contact area between the heat dissipation telescopic rod and water can be adjusted, and therefore the generation speed and the volume of hot steam are controlled, and the purpose of controlling the power generation process is achieved.
To sum up, the utility model provides a pair of geothermal power generation system is higher, specific surface area is bigger, the bigger and better graphite alkene material of tensile strength of Young's modulus as heat conduction stick and heat conduction pipe through using coefficient of heat conductivity in the assembly is gathered to geothermol power. Therefore, the geothermal energy collecting assembly can adapt to the high-temperature and high-pressure environment of the underground deep layer, can collect geothermal resources with higher thermal efficiency of the underground deep layer, and improves the economic benefit of the geothermal resources. In addition, the contact area between the heat dissipation telescopic rod and water can be controlled, so that the generation speed and volume of hot steam are controlled, and the power generation process is controlled.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A geothermal power generation system, comprising a geothermal collection assembly, a hot steam generation assembly, and a geothermal power generation assembly;
the geothermal collection assembly comprises a graphene heat conduction rod, carbon nano powder, a supporting framework and a heat conduction pipe; the graphene heat conducting rod is fixed on the supporting framework, the carbon nano powder is filled in a gap between the graphene heat conducting rod and the supporting framework, one end of the heat conducting pipe is connected with the graphene heat conducting rod, and the other end of the heat conducting pipe is connected with the hot steam generation assembly; the heat transfer pipe is a graphene composite heat transfer pipe;
the hot steam generation assembly and the geothermal power generation assembly are connected through a steam conveying pipeline.
2. The geothermal power generation system according to claim 1,
the hot steam generation assembly comprises a water storage chamber, a hot steam chamber, an energy storage chamber, a gas production well, a recharging well and a replenishing well;
the water storage chamber is stored with water for generating steam, the energy storage chamber is connected with the water storage chamber through a heat dissipation telescopic rod, a cavity part except the water is the hot steam chamber, and nano-silver adhesive energy storage filling materials are stored in the energy storage chamber;
the inlet of the gas production well is connected with the hot steam chamber through a pipeline, and the steam of the hot steam chamber is collected;
the water outlets of the recharging well and the replenishing well are connected with the water storage chamber.
3. The geothermal power generation system according to claim 2,
a water-steam separation tower and a steam tank are arranged between the hot steam generation assembly and the geothermal power generation assembly;
an inlet of the water-vapor separation tower is connected with an outlet of the gas producing well, a steam outlet of the water-vapor separation tower is connected with an inlet of the steam tank, and a condensed water outlet of the water-vapor separation tower is connected with an inlet of the recharging well;
an outlet of the steam drum is connected with the geothermal power generation assembly.
4. The geothermal power generation system according to claim 3,
the geothermal power generation assembly comprises a steam turbine and a generator, wherein a steam inlet of the steam turbine is connected with an outlet of the steam tank, and a rotating shaft of the steam turbine is connected with a rotor of the generator.
5. The geothermal power generation system according to claim 2,
the energy storage chamber is fixedly provided with a heat dissipation telescopic rod support frame, the heat dissipation telescopic rod is movably connected with the heat dissipation telescopic rod support frame, the heat dissipation telescopic rod is fixedly connected with a telescopic mechanism, and the telescopic mechanism drives the heat dissipation telescopic rod to perform telescopic motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223911.9U CN210152842U (en) | 2019-02-20 | 2019-02-20 | Geothermal power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223911.9U CN210152842U (en) | 2019-02-20 | 2019-02-20 | Geothermal power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210152842U true CN210152842U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920223911.9U Expired - Fee Related CN210152842U (en) | 2019-02-20 | 2019-02-20 | Geothermal power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210152842U (en) |
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2019
- 2019-02-20 CN CN201920223911.9U patent/CN210152842U/en not_active Expired - Fee Related
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Granted publication date: 20200317 |