CN220233243U - Dual-inlet fuel cell visualization device - Google Patents
Dual-inlet fuel cell visualization device Download PDFInfo
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- CN220233243U CN220233243U CN202322800342.9U CN202322800342U CN220233243U CN 220233243 U CN220233243 U CN 220233243U CN 202322800342 U CN202322800342 U CN 202322800342U CN 220233243 U CN220233243 U CN 220233243U
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- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 238000012800 visualization Methods 0.000 title claims abstract description 22
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 65
- 239000000956 alloy Substances 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000007789 gas Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000003595 mist Substances 0.000 claims abstract description 7
- 239000012495 reaction gas Substances 0.000 claims abstract description 6
- 230000009977 dual effect Effects 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 4
- 241000252254 Catostomidae Species 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- 239000003054 catalyst Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Fuel Cell (AREA)
Abstract
The utility model discloses a dual-inlet fuel cell visualization device which comprises a transparent end plate, a dual-inlet gas supply alloy plate, a gas inlet transparent plate and a metal flow field plate, wherein the transparent end plate and the gas inlet transparent plate are respectively positioned at two sides of the dual-inlet gas supply alloy plate, the metal flow field plate is positioned at the other side of the gas inlet transparent plate, a flow field is arranged on the metal flow field plate, the dual-inlet gas supply alloy plate is used for introducing reaction gas into the metal flow field plate, a defogging mechanism is arranged in the dual-inlet gas supply alloy plate, and the defogging mechanism comprises a hollowed-out window arranged at the middle part of the dual-inlet gas supply alloy plate. According to the utility model, circulating constant-temperature water is introduced into the double-inlet air supply alloy plate, so that the temperature of the air intake transparent plate and the temperature of the transparent end plate cannot be greatly different from the temperature of water generated by the internal reaction of the fuel cell, and therefore, the phenomenon that water generated by the reaction is condensed to form water mist cannot occur when the water generated by the reaction contacts with the air intake transparent plate and the transparent end plate, and the visualization effect of the fuel cell is ensured.
Description
Technical Field
The utility model relates to the technical field of dual-inlet fuel cells, in particular to a dual-inlet fuel cell visualization device.
Background
One of the fuel cells currently commercialized to the highest degree is a Proton Exchange Membrane Fuel Cell (PEMFC), which has advantages of fast low-temperature start, high power density, and the like, and has been successfully used in automobiles and stationary power generation devices. The PEMFC is divided into an anode and a cathode, fuel hydrogen is supplied to the anode side electrode, oxidant air or oxygen is supplied to the cathode side electrode, the hydrogen is decomposed into hydrogen protons and electrons, the hydrogen protons pass through the proton exchange membrane to reach the cathode electrode, the electrons pass through an external circuit to reach the cathode side, and the hydrogen protons, the electrons and the oxidant react electrochemically at a three-phase interface of the catalyst to generate water and heat.
At high current density, the electrochemical reaction of the PEMFC is aggravated, water generated by the reaction is continuously gathered, liquid water is formed by condensation when the surface of the electrode reaches saturated vapor pressure, GDL pore channels are easy to be blocked, the diffusion of reaction gas to the surface of the electrode is blocked, the phenomenon of flooding is caused, the stable operation of the battery is influenced, and the output voltage of the battery is reduced. Efficient fuel cell water management is critical to the operational stability, output performance and durability of the fuel cell.
The dual inlet flow field has a smaller transmission resistance by virtue of a shorter transmission path, so that the pressure distribution is more uniform, and the flow velocity distribution is also more uniform. But smaller average flow velocity distribution and collisions between the streams are detrimental to liquid water drainage and require efficient visualization means for analysis and optimization.
Through searching, chinese patent publication No. CN207834458U discloses a fuel cell device, which comprises a first bottom plate, a second bottom plate, a silica gel pad, an anode plate, a cathode plate and a cover plate. In the application, the visualization of the inside of the fuel cell is realized through the cover plate and the second bottom plate which are made of transparent materials, but in the application, the temperatures of the cover plate and the second bottom plate which are close to the flow field are easily influenced by the outside, and when the temperatures of the cover plate and the second bottom plate are lower, heat and water generated after the electrochemical reaction in the flow field can be condensed and form water mist on the inner surfaces of the cover plate and the second bottom plate, and the visualization effect of the fuel cell is influenced at the moment, so that the water management performance of the fuel cell is not favorable.
Disclosure of Invention
The present utility model is directed to a dual-inlet fuel cell visualization device, and the technical problem to be solved is how to ensure the visualization effect of the fuel cell.
In order to achieve the above object, the technical solution of the embodiment of the present utility model is as follows:
the utility model provides a visual device of dual inlet fuel cell, including transparent end plate, dual inlet air feed alloy board, air intake transparent plate and metal flow field board, transparent end plate and air intake transparent plate are in the both sides department of dual inlet air feed alloy board respectively, metal flow field board is in the opposite side department of air intake transparent plate, and be equipped with the flow field on the metal flow field board, dual inlet air feed alloy board is arranged in letting in reaction gas to the metal flow field board, dual inlet air feed alloy board's inside is equipped with defogging mechanism, defogging mechanism is including seting up the fretwork window in dual inlet air feed alloy board middle part department, the fretwork window is arranged in the distribution condition of real-time observation liquid water in the flow field and is arranged in letting in circulating liquid and provides defogging effect for air intake transparent plate.
Further, a water inlet and a water outlet are respectively formed in the top of one side and the bottom of the other side of the double-inlet air supply alloy plate, and the water inlet and the water outlet are used for circularly introducing constant-temperature water into the hollow window so as to avoid water mist on the air intake transparent plate.
Further, air inlets are formed in two sides of the top of the double-inlet air supply alloy plate, the same alloy plate air inlet groove is formed in the bottom of the two air inlets, air outlets are formed in two sides of the bottom of the double-inlet air supply alloy plate, and the same alloy plate air outlet groove is formed in the top of the two air outlets.
Further, a transparent plate air inlet groove and a transparent plate air outlet groove are respectively formed in the top and the bottom of the plate body of the air inlet transparent plate, and the transparent plate air inlet groove and the transparent plate air outlet groove are respectively matched with the alloy plate air inlet groove and the alloy plate air outlet groove.
Further, a sealing groove is formed in one side, close to the air inlet transparent plate, of the double-inlet air supply alloy plate, a sealing gasket is arranged at the sealing groove, the sealing gasket and the sealing groove are in a shape like a Chinese character 'mu', and three hollowed-out areas on the sealing gasket are respectively matched with the air inlet groove, the hollowed-out window and the air outlet groove of the transparent plate from top to bottom.
Further, a plurality of tightening bolt holes are formed in the outer side edges of the transparent end plate, the double-inlet air supply alloy plate, the air inlet transparent plate and the metal flow field plate at equal intervals, and the tightening bolt holes are used for assembling tightening bolts.
Further, a cover shell is arranged at one side of the transparent end plate far away from the double-inlet air supply alloy plate, a circular opening is formed in the inner wall of one side of the cover shell, a magnifying glass is fixedly connected to the cover shell at the circular opening, and a plurality of suckers are fixedly connected to the periphery of one side of the cover shell, close to the transparent end plate.
The utility model has the beneficial effects that:
1. according to the method, the circulating constant-temperature water is introduced into the double-inlet gas supply alloy plate, so that the temperature of the gas inlet transparent plate and the temperature of the transparent end plate cannot be greatly different from the temperature of water generated by the internal reaction of the fuel cell, and therefore, the phenomenon that water generated by the reaction is condensed and forms water mist can not occur due to the contact of the water generated by the reaction and the water generated by the reaction, the visualization effect of the fuel cell is ensured, on the basis, the transmission process of liquid water in a metal flow field in the cell can be observed in real time, the liquid water content in the flow field can be accurately quantized, and the optimization of the water management performance of the double-inlet fuel cell is facilitated;
2. the method can be matched with an optical photography method to observe the water distribution condition of the liquid water in the flow field of the fuel cell, and feed back the liquid water transmission information obtained by real-time observation, so that guidance can be provided for the optimal design of the dual-inlet fuel cell with uniform gas distribution;
3. by arranging the housing and the magnifier, when the internal condition of the fuel cell is observed by naked eyes, the condition of the flow field can be observed through the magnifier after the housing is buckled on the transparent end plate, and at the moment, the existence of the magnifier can lead the observation to be more convenient and the observation effect to be better; in addition, as the cover shell and the transparent end plate are connected in a split mode through the sucker, the original use of the fuel cell cannot be affected by the existence of the cover shell.
Drawings
FIG. 1 is an exploded view of a dual inlet fuel cell visualization device according to example 1 of the present application;
FIG. 2 is a perspective view of a dual inlet gas supply alloy plate for a dual inlet fuel cell visualization device in accordance with example 1 of the present application;
fig. 3 is a perspective view of an air intake transparent plate of a dual inlet fuel cell visualization device in embodiment 1 of the present application;
fig. 4 is a perspective view of a transparent end plate of a dual inlet fuel cell visualization device according to embodiment 2 of the present application.
Reference numerals illustrate:
1-transparent end plate, 101-housing, 102-magnifying glass, 2-dual inlet gas supply alloy plate, 3-sealing gasket, 4-gas intake transparent plate, 5-metal flow field plate, 6-gas inlet, 7-gas outlet, 8-alloy plate gas inlet groove, 9-alloy plate gas outlet groove, 10-water inlet, 11-water outlet, 12-sealing groove, 13-transparent plate gas inlet groove, 14-transparent plate gas outlet groove and 15-clamping bolt hole.
Detailed Description
The technical scheme of the utility model is further elaborated below by referring to the drawings in the specification and the specific 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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. In the following description, reference is made to the expression "some embodiments" which describe a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or a different subset of all possible embodiments and may be combined with each other without conflict.
It will be further understood that when an element is referred to as being "fixed 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," "inner," "outer," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Example 1
Referring to fig. 1-3, the application provides a dual-inlet fuel cell visualization device, including transparent end plate 1, dual-inlet gas supply alloy plate 2, admit air transparent plate 4 and metal flow field board 5, transparent end plate 1 and admit air transparent plate 4 are in the both sides department of dual-inlet gas supply alloy plate 2 respectively, transparent end plate 1 and admit air transparent plate 4's thickness is 5 millimeters, metal flow field board 5 is in the opposite side department of admitting air transparent plate 4, and be equipped with the flow field on the metal flow field board 5, dual-inlet gas supply alloy plate 2 is arranged in letting in reaction gas to metal flow field board 5, dual-inlet gas supply alloy plate 2's material adopts the aluminum alloy, and its surface carries out oxidation treatment, possess good corrosion resistance, dual-inlet gas supply alloy plate 2's inside is equipped with defogging mechanism, defogging mechanism is including seting up the fretwork window in dual-inlet gas supply alloy plate 2 middle part department, fretwork window is arranged in real time observation flow field liquid water's distribution condition and is arranged in letting in circulating liquid and is provided defogging effect for admitting into transparent plate 4.
The top of one side of the dual-inlet gas supply alloy plate 2 and the bottom of the other side are respectively provided with a water inlet 10 and a water outlet 11, the water inlet 10 and the water outlet 11 are used for circularly introducing constant temperature water into the hollow window to avoid generating water mist on the gas inlet transparent plate 4, the constant temperature water flows in from the water inlet 10, gathers at the hollow window of the dual-inlet gas supply alloy plate 2 and flows out from the water outlet 11 to finish the circular supply of the constant temperature water, and in the process, the constant temperature water does not enter the metal flow field plate 5, so that the water generated by the reaction is prevented from being condensed into the water mist by contacting the transparent end plate 1 with the gas inlet transparent plate 4 with lower temperature, and the visual effect is affected.
The air inlet 6 has all been seted up to the top both sides of two entry air feed alloy board 2, and two entry air feed alloy board 2 have seted up same alloy board air inlet recess 8 in the bottom department of two air inlets 6, the gas outlet 7 has all been seted up to the bottom both sides of two entry air feed alloy board 2, and two entry air feed alloy board 2 have seted up same alloy board air outlet recess 9 in the top department of two gas outlets 7, two air inlets 6 and two gas outlets 7 are set up respectively in the top and the below of two entry air feed alloy board 2, so can utilize gravitational potential energy, make liquid water more easily by the discharge. The top and bottom of the plate body of the air inlet transparent plate 4 are respectively provided with a transparent plate air inlet groove 13 and a transparent plate air outlet groove 14, the transparent plate air inlet groove 13 and the transparent plate air outlet groove 14 are respectively matched with the alloy plate air inlet groove 8 and the alloy plate air outlet groove 9, the air inlet groove 13 is responsible for supplying reaction gas to the metal flow field plate 5, and the air outlet groove 14 is responsible for discharging waste gas and water generated by reaction.
The sealing groove 12 is formed in one side, close to the air inlet transparent plate 4, of the double-inlet air supply alloy plate 2, the sealing groove 12 is provided with the sealing gasket 3, the sealing gasket 3 is utilized to ensure the air tightness between the double-inlet air supply alloy plate 2 and the air inlet transparent plate 4, the sealing gasket 3 and the sealing groove 12 are in a shape of a Chinese character 'mu', and three hollowed-out areas on the sealing gasket 3 are respectively matched with the transparent plate air inlet groove 13, the hollowed-out window and the transparent plate air outlet groove 14 from top to bottom.
A plurality of tightening bolt holes 15 are formed in the outer side edges of the transparent end plate 1, the double-inlet air supply alloy plate 2, the air intake transparent plate 4 and the metal flow field plate 5 at equal intervals, and the tightening bolt holes 15 are used for assembling tightening bolts and are used for assembling fuel cells.
Example 2
Referring to fig. 4, compared with embodiment 1, in order to facilitate visual observation of the internal condition of the fuel cell, a casing 101 is disposed at a side of the transparent end plate 1 away from the dual-inlet gas supply alloy plate 2, a circular opening is formed in an inner wall of one side of the casing 101, a magnifying glass 102 is fixedly connected to the casing 101 at the circular opening, and a plurality of suckers are fixedly connected to a peripheral portion of the casing 101 close to one side of the transparent end plate 1.
Working principle: when the fuel cell is used, the cover 101 can be buckled on the transparent end plate 1, the cover 101 can be adsorbed and fixed on the transparent end plate 1 by using the sucking disc, and the magnifying glass 102 is opposite to the flow field on the metal flow field plate 5, so that the condition of the flow field can be conveniently observed, and when the condition inside the fuel cell is not required to be observed by naked eyes, the cover 101 can be taken down, so that the original use of the fuel cell cannot be influenced by the existence of the magnifying glass.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. The scope of the utility model is to be determined by the appended claims.
Claims (7)
1. The utility model provides a visual device of dual inlet fuel cell, includes transparent end plate (1), dual inlet air feed alloy board (2), air intake transparent plate (4) and metal flow field board (5), transparent end plate (1) and air intake transparent plate (4) are in the both sides department of dual inlet air feed alloy board (2) respectively, metal flow field board (5) are in the opposite side department of air intake transparent plate (4), and are equipped with the flow field on metal flow field board (5), a serial communication port, dual inlet air feed alloy board (2) are arranged in letting in reaction gas to metal flow field board (5), and the inside of dual inlet air feed alloy board (2) is equipped with defogging mechanism, defogging mechanism is including seting up the fretwork window in dual inlet air feed alloy board (2) middle part department, and fretwork window is arranged in real time observation flow field liquid water's distribution condition and is arranged in letting in circulation liquid to provide defogging effect for air intake transparent plate (4).
2. The dual-inlet fuel cell visualization device according to claim 1, wherein a water inlet (10) and a water outlet (11) are respectively formed in the top of one side and the bottom of the other side of the dual-inlet air supply alloy plate (2), and the water inlet (10) and the water outlet (11) are used for circularly introducing constant-temperature water into the hollowed-out window to avoid water mist on the air intake transparent plate (4).
3. The dual-inlet fuel cell visualization device according to claim 1, wherein the air inlets (6) are formed on two sides of the top of the dual-inlet air supply alloy plate (2), the dual-inlet air supply alloy plate (2) is provided with the same alloy plate air inlet groove (8) at the bottom of the two air inlets (6), the two sides of the bottom of the dual-inlet air supply alloy plate (2) are provided with the air outlets (7), and the dual-inlet air supply alloy plate (2) is provided with the same alloy plate air outlet groove (9) at the top of the two air outlets (7).
4. A dual inlet fuel cell visualization apparatus as defined in claim 3, wherein the top and bottom of the plate body of the air inlet transparent plate (4) are respectively provided with a transparent plate air inlet groove (13) and a transparent plate air outlet groove (14), and the transparent plate air inlet groove (13) and the transparent plate air outlet groove (14) are respectively matched with the alloy plate air inlet groove (8) and the alloy plate air outlet groove (9).
5. The dual-inlet fuel cell visualization device according to claim 4, wherein a sealing groove (12) is formed in one side, close to the air inlet transparent plate (4), of the dual-inlet air supply alloy plate (2), a sealing gasket (3) is arranged at the sealing groove (12) of the dual-inlet air supply alloy plate (2), the sealing gasket (3) and the sealing groove (12) are in a 'mesh' shape, and three hollowed-out areas on the sealing gasket (3) are respectively matched with the transparent plate air inlet groove (13), the hollowed-out window and the transparent plate air outlet groove (14) from top to bottom.
6. The dual inlet fuel cell visualization device according to claim 1, wherein a plurality of tightening bolt holes (15) are equidistantly formed at the outer side edges of the transparent end plate (1), the dual inlet gas supply alloy plate (2), the gas intake transparent plate (4) and the metal flow field plate (5), and the tightening bolt holes (15) are used for assembling tightening bolts.
7. The dual-inlet fuel cell visualization device according to claim 1, wherein a cover shell (101) is arranged at one side of the transparent end plate (1) far away from the dual-inlet gas supply alloy plate (2), a circular opening is formed in the inner wall of one side of the cover shell (101), a magnifying glass (102) is fixedly connected to the cover shell (101) at the circular opening, and a plurality of suckers are fixedly connected to the periphery of one side of the cover shell (101) close to the transparent end plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800342.9U CN220233243U (en) | 2023-10-19 | 2023-10-19 | Dual-inlet fuel cell visualization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800342.9U CN220233243U (en) | 2023-10-19 | 2023-10-19 | Dual-inlet fuel cell visualization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233243U true CN220233243U (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322800342.9U Active CN220233243U (en) | 2023-10-19 | 2023-10-19 | Dual-inlet fuel cell visualization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233243U (en) |
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- 2023-10-19 CN CN202322800342.9U patent/CN220233243U/en active Active
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