CN201689938U - Integrated encapsulation structure of fuel cell electric pile module - Google Patents
Integrated encapsulation structure of fuel cell electric pile module Download PDFInfo
- Publication number
- CN201689938U CN201689938U CN2010201681888U CN201020168188U CN201689938U CN 201689938 U CN201689938 U CN 201689938U CN 2010201681888 U CN2010201681888 U CN 2010201681888U CN 201020168188 U CN201020168188 U CN 201020168188U CN 201689938 U CN201689938 U CN 201689938U
- Authority
- CN
- China
- Prior art keywords
- encapsulation
- fuel cell
- field joint
- pile
- front panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
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
Abstract
The utility model relates to an integrated encapsulation structure of a fuel cell electric pile module, which comprises an encapsulation box body, an encapsulation front panel and an encapsulation rear panel, wherein the front and the rear parts of the encapsulation box body are hermetically connected with the encapsulation front panel and the encapsulation rear panel, so all the components of a fuel cell electric pile are encapsulated in the structure, and three IP68 electric joints, an air purge port, an air-flow field joint, a water-flow field joint and a hydrogen-flow field joint are fixed on the encapsulation front panel in a sealing way; and in the encapsulation box body, eight electric pile fixed feet are respectively assembled at the two ends of a fuel cell stack, and a soft damping liner is fixedly arranged on the fixed feet. Compared with the prior art, the utility model considers the protective measures required by the integrated encapsulation design of the fuel cell electric pile module from every aspects, adopts a connection design of the electric pile fixed feet and the encapsulation box body, and is the integrated encapsulation structure having the functions of watertightness and dust prevention (IP55-IP68), vibration resistance, electric insulation 25 kilo-ohm/250V, hydrogen safety protection, heat insulation and the like.
Description
Technical field
The utility model relates to a proton exchanging film fuel battery, relates in particular to a kind of proton exchange film fuel cell electric piling module integrated encapsulation structure.
Background technology
Current global energy anxiety, oil price is surging, and the searching new forms of energy are the task of top priority as the substitute of fossil fuel.Fuel cell be considered to after waterpower, firepower and nuclear electric power generation the 4th generation generation technology, it is directly changed into electric energy by electrocatalytic reaction with the chemical energy of Oxidizing and Reducing Agents, is a kind of efficient, safety, cleaning, new-generation technology flexibly.Proton Exchange Membrane Fuel Cells wherein is because of it has the efficient height, energy density is big, reaction temperature is low, noiselessness, remarkable advantage such as pollution-free are with a wide range of applications at aspects such as terrestrial power generation station, electric motor car and compact powers.Fuel battery inside mainly is made up of proton exchange membrane, electro chemical catalyst, diffusion layer and bipolar plates.When operation of fuel cells, it is inner, and following course of reaction takes place: reacting gas spreads in diffusion layer, when reacting gas arrives Catalytic Layer, is adsorbed by catalyst in Catalytic Layer and electrocatalytic reaction takes place; The proton that anode reaction generates is by being delivered to cathode side in the proton exchange membrane, electronics arrives negative electrode through external circuit, with oxygen molecule reaction bonded Cheng Shui, emits heat simultaneously.
Electrode reaction is:
Anode (negative pole): H
2→ 2H
++ 2e
Negative electrode (positive pole): 1/2O
2+ 2H
++ 2e → H
2O
Cell reaction: H
2+ 1/2O
2→ H
2O
In the typical Proton Exchange Membrane Fuel Cells, membrane electrode is placed in the middle of the guide plate of two conductions, and two bafflers are respectively the baffler of anode fuel and the baffler of cathode oxidant.A fuel cell of Xing Chenging is called monocell like this, in order to increase the gross power of whole Proton Exchange Membrane Fuel Cells, a plurality of monocells need be connected into battery pack by straight folded mode, is fuel cell pile again.In fuel cell pile, can there be guiding gutter on the two sides of a pole plate, and wherein one side can be used as the anode guide face of a membrane electrode, and another side can be used as the cathode diversion face of another adjacent membranes electrode again, and this pole plate is called bipolar plates.Pile tightens together by front end-plate, end plate and pull bar.
Fuel cell generation mainly supports operational system to form by fuel cell pack and battery pile.When being used as the dynamical system of delivery vehicles such as car, ship when fuel cell generation, fuel cell generation is called fuel battery engines again.
When fuel cell generation is used as fuel battery engines, environment for use is on every side required than higher, fuel cell in the course of the work, especially at outdoor work environment, have a large amount of dusts or water erosion pile, in a single day these dusts or water enter pile, then will cause the pile electric leakage, leak hydrogen, even make pile suffer fatefulue destruction, under the automobile environment for use, vibrations also can cause great influence to pile itself in addition.Fuel cell pack need carry out the integrated encapsulation of modularization for this reason, reaches as a kind of water proof and dust proof that meets the integrated design of specific occasion purposes, antidetonation, insulation, heat insulation, hydrogen leak protection and product requirement attractive in appearance.
The patent No. is that the utility model patent of 99219220.X is mentioned existing two kinds of fuel cell press-fit approach---in wear bolt press-fit approach and external bolt press-fit approach, there is obvious defects in these two kinds of press-fit approach, press-fit owing to needing on baffler, carbon paper and film punching to reduce effective electrochemistry area of material as the interior bolt of wearing, the volume of battery specific power is reduced, and external bolt press-fit and cause that easily monocell is subjected to displacement press-fiting on the vertical direction of bolt.Designed a kind of shell of overall package at above-mentioned two kinds of fuel cell press-fit approach shortcomings, increased stability of structure, can under various strong motions, shock environment, work.But do not consider the water proof and dust proof and the electric insulation design of package casing.
The patent No. is that 200520047310.5 utility model patent is at general fuel cell pile power generating system zero parts underintegration, too assorted, too many, lacking hommization considers, directly will remove point socket, console switch, green indicating lamps etc. directly design on housing, hommization, commercialization, portable design.The direct sealing label of air strainer plays certain heat radiation in the side plate inboard, the water proof and dust proof effect.But ignored the electric insulation problem of pile package casing, and do not considered the anti-seismic problem under the automobile-used situation.
The patent No. is that 200710172354.4 the utility model patent and the patent No. are that 200420019588.7 utility model patent has all been mentioned a kind of encapsulation of large-scale integrated fuel cell pile with fixing, be mainly and bear heavier fuel cell pack, have advantages such as sound construction, not yielding, maintenance and convenient disassembly.But do not designing encapsulation aspect water proof and dust proof and the electric insulation specially.
The patent No. is that 200510026006.7 the utility model patent and the patent No. are the packaging system that 200510026005.2 utility model patent is mentioned a kind of fuel battery engines, effectively dustproof and waterproof is anticreep, and can in time detect density of hydrogen and the row's of making hydrogen processing, thereby effectively prevent to overflow the blast that hydrogen causes because of hydrogen pipeline breaks.This device is established exhaust outlet, ventilating opening at device on the frame, and the exhaust outlet exhaust duct that stretches out is provided with ventilating fan on this exhaust duct, and the ventilating opening ventilation duct that stretches out is provided with air blast on this ventilation duct.Though this packaging system can play functions such as water proof and dust proof, the safeguard protection of leakage hydrogen, the running of ventilating fan, air blast needs extra consumed power, and ventilation duct is provided with filter plant, and rainwater very easily damages.
All do not have all particular requirements such as the complete water proof and dust proof of considering integrated design, antidetonation, insulation, heat insulation, hydrogen leak protection for above-mentioned various galvanic pile module of fuel cell packaging systems, use as vehicle mounted fuel cell engine to have potential safety hazard.
The utility model content
The purpose of this utility model is exactly in order to overcome the defective that prior art exists; meet the instructions for use of vehicle environment; a kind of effectively waterproof and dustproof, antidetonation, insulation, heat insulation are provided, and the fuel cell module integrated encapsulation structure with hydrogen gas security protection function.
The utility model is achieved through the following technical solutions: a kind of galvanic pile module of fuel cell integrated encapsulation structure, comprise the encapsulation casing, encapsulation front panel, encapsulation rear board, the forward and backward encapsulation front panel that is tightly connected of encapsulation casing, the encapsulation rear board makes in the whole parts of fuel cell pile all are integrated in the electrical connector of three IP68 of sealing and fixing on the encapsulation front panel, the air purge mouth, air field joint, water flow field joint, hydrogen field joint; In the encapsulation casing, eight pile fixing feet are equipped with at the battery pile two ends respectively, and fixing feet is provided with software damping liner.
Encapsulation casing and encapsulation front panel are provided with sealing strip between the encapsulation rear board, and use eight M5-10 farad face screws to add red spacers respectively;
Place 1mm white Tetrafluoro spacer on the joint of hydrogen field, and screw with the 41mm hexagonal (hexagon)nut; Keep flat 2mm silica gel pad and stainless steel cover plate lid on air field joint and the water flow field joint, and be fixed on the encapsulation front panel with silver gray woollen goods screw tightening of 12 M5-20.
The electrical connector of three IP68 all has the sealing of O circle; The air purge mouth, air field joint, the water flow field joint is provided with sealing ring between hydrogen field joint and the supporting separately pipe fitting.
The insulating resin plate of pile bare reactor surface recombination 0.5MM.
The beneficial effects of the utility model are: compared with prior art; the utility model has comprehensively been considered some safeguard procedures of the required design of the integrated encapsulation of galvanic pile module of fuel cell; adopt pile fixing feet and the design that the encapsulation casing is connected, (the integrated encapsulating structure of IP55 ~ IP68), antidetonation, electric insulation 25K Ω/250V, hydrogen safeguard protection, function such as heat insulation designs to have water proof and dust proof.
Description of drawings
Fig. 1 is a structural upright schematic diagram of the present utility model;
Fig. 2 is a structural front view of the present utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is pile fixing feet A, B, C, D structural representation.
Embodiment
Below in conjunction with specific embodiment, further set forth execution mode of the present utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1 to Figure 3, a kind of 10KW tourist coach galvanic pile module of fuel cell integrated encapsulation structure, wherein encapsulating casing 6 is hollow cuboids of both ends open, and respectively there are four pile fixing feet screws and eight package panel fixing threaded holes in front and back on it, and encapsulation casing 6 selects for use the t1.2mm steel plate to make.Forward and backward package panel 7,5 cooperates with encapsulation casing 6 both ends opens, and it is consistent that its inboard profile and the both ends open lateral profile that encapsulates casing 6 are distinguished, and casing adds in front and rear cover plate all is integrated in the whole parts of fuel cell pack.
Eight fixing feet of pile 2,4,8,9 are contained in the pile two ends respectively, fixing feet 2,4, liner 10mm software shock-damping structure on 8,9, front end is fixed with M8 STAINLESS STEEL NUTS, plain cushion and bullet pad, and the rear end is fixed with 4 M6-10 flange face screws, plain cushion and bullet pads.Whole stack is put into encapsulation casing 6 from the rear end, connect eight fixing feet on the pile accurately, be locked with four M6-10 flange face screws.Shell mechanism is provided with sealing strip, the electrical connector 13 of three IP68,14,15 structures have the sealing of O circle, air purge mouth 16, air field joint 10, water flow field joint 11, be provided with sealing ring between hydrogen field joint 12 and the supporting separately pipe fitting, front and rear cover plate uses eight M5-10 farad face screws to add red spacers respectively, use 1mm white phenyl tetrafluoride pad to lie on the hydrogen joint, screw with the 41mm hexagonal (hexagon)nut, use the 2mm silica gel pad to lie on air and the water swivel, cover with the stainless steel cover plate again, with silver gray woollen goods screw tightening of 12 M5-20, be coated with in pile housing slit and spread silica gel sealing.
The utlity model has:
(1) water proof and dust proof:
Casing adds in front and rear cover plate all is integrated in the whole parts of fuel cell pack, water proof and dust proof has reached 1P55 (can adjust bring up to IP68 according to customer requirement), shell mechanism is provided with sealing strip, the electrical connector 13 of three IP68,14,15 structures have the sealing of O circle, air purge mouth 16, air field joint 10, water flow field joint 11, be provided with sealing ring between hydrogen field joint 12 and the supporting separately pipe fitting, front and rear cover plate uses eight M5-10 farad face screws to add red spacers respectively, use 1mm white phenyl tetrafluoride pad to lie on the hydrogen joint, screw, use the 2mm silica gel pad to lie on air and the water swivel with the 41mm hexagonal (hexagon)nut, cover with the stainless steel cover plate again, with silver gray woollen goods screw tightening of 12 M5-20, be coated with in pile housing slit and spread silica gel sealing, effectively anti-sealing and dust enter enclosure interior.
(2) antidetonation:
The utility model adopts aseismatic design, and inside is provided with shockproof soft body structure and employing pile end plate is fixedlyed connected with the shell screw, with eight pile fixing feet 2,4,8,9 (as shown in Figure 4) were contained in the pile two ends respectively, fixing feet 2, liner 10mm software shock-damping structure on 4,8,9.Pile put into use behind the package casing four M6-10 flange face screws to connect eight fixing feet on the pile, be locked, integrated design, pipeline is fixedlyed connected with shell, prevents the collision between pile and the shell.
(3) electric insulation:
At first, can select materials such as epoxy resin, phenolic resins for use in the insulating resin plate of pile bare reactor surface recombination 0.5MM.Secondly the ability that selected electrical connector 13,14,15 and cable possess insulation, pile secure component surface recombination insulating barrier makes pile link to each other with encapsulating housing by fixing feet, and pile is not touched with shell, is in vacant state.Also have cross-over block in addition on the package casing fixed support 1,4, further improve the electrical insulation capability of galvanic pile module of fuel cell at automobile-used situation lower casing.
(4) hydrogen safeguard protection:
Design is on the encapsulating structure panel, air purge mouth 16 has been designed in the rear and front end, the cleaned air that air supply system in the fuel cell system provides is derived a sprout, be incorporated into air purge mouth 16, it is purged in the encapsulating shell of sealing, keep the shell inner air flow, the hydrogen partial that leaks in the fuel cell module is in time got rid of, avoid hydrogen gas accumulation.
(5) heat insulation:
The utility model adopts pile fixing feet 2,3,8,9 to be connected with encapsulation casing 6; reduce the pile heat transferred to shell; the heat that pile produces is delivered to external equipment by cooling joint; warter connection and package casing coupling part are unsettled; prevent the heat transmission between joint and the housing, well played the effect of thermal insulation protection.
Claims (7)
1. galvanic pile module of fuel cell integrated encapsulation structure, comprise encapsulation casing (6), encapsulation front panel (7), encapsulation rear board (5), it is characterized in that: the forward and backward encapsulation front panel (7) that is tightly connected of described encapsulation casing (6), encapsulation rear board (5), make in the whole parts of fuel cell pile all are integrated in, encapsulation front panel (7) is gone up the electrical connector (13,14,15) of three IP68 of sealing and fixing, air purge mouth (16), air field joint (10), water flow field joint (11) and hydrogen field joint (12); In the described encapsulation casing (6), eight pile fixing feet are equipped with at the pile two ends respectively, and fixing feet is provided with software damping liner.
2. galvanic pile module of fuel cell integrated encapsulation structure according to claim 1, it is characterized in that: described encapsulation casing (6) and encapsulation front panel (7), be provided with sealing strip between the encapsulation rear board (5), and use eight M5-10 farad face screw shimmings to fix respectively.
3. galvanic pile module of fuel cell integrated encapsulation structure according to claim 1 is characterized in that: described hydrogen field joint (12) is gone up placement 1mm tetrafluoro and is leveled up, and screws with the 41mm hexagonal (hexagon)nut.
4. galvanic pile module of fuel cell integrated encapsulation structure according to claim 1, it is characterized in that: keep flat 2mm silica gel pad and stainless steel cover plate lid on described air field joint (10) and the water flow field joint (11), and be fixed on the encapsulation front panel (7) with woollen goods screw tightening of 12 M5-20.
5. galvanic pile module of fuel cell integrated encapsulation structure according to claim 1 is characterized in that: the electrical connector of described three IP68 (13,14,15) all has the sealing of O circle.
6. galvanic pile module of fuel cell integrated encapsulation structure according to claim 1, it is characterized in that: described air purge mouth (16), air field joint (10), water flow field joint (11) is provided with sealing ring between hydrogen field joint (12) and the supporting separately pipe fitting.
7. galvanic pile module of fuel cell integrated encapsulation structure according to claim 1 is characterized in that: the insulating resin plate of described pile bare reactor surface recombination 0.5MM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201681888U CN201689938U (en) | 2010-04-22 | 2010-04-22 | Integrated encapsulation structure of fuel cell electric pile module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201681888U CN201689938U (en) | 2010-04-22 | 2010-04-22 | Integrated encapsulation structure of fuel cell electric pile module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689938U true CN201689938U (en) | 2010-12-29 |
Family
ID=43378216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201681888U Expired - Lifetime CN201689938U (en) | 2010-04-22 | 2010-04-22 | Integrated encapsulation structure of fuel cell electric pile module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689938U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569853A (en) * | 2012-01-09 | 2012-07-11 | 昆山弗尔赛能源有限公司 | Packaging structure for fuel cell stack |
| RU2613527C2 (en) * | 2012-12-19 | 2017-03-16 | Элрингклингер Аг | Heat-insulating device for arrangement of, at least, one sofc-fuel elements system component and method of said device making |
| CN106532097A (en) * | 2016-12-09 | 2017-03-22 | 新源动力股份有限公司 | Connecting piece for fuel cell system |
| CN106985651A (en) * | 2017-04-19 | 2017-07-28 | 厦门金龙联合汽车工业有限公司 | A kind of fuel cell system monoblock type mounting bracket and installation method |
| CN107742736A (en) * | 2017-10-20 | 2018-02-27 | 苏州中氢能源科技有限公司 | A kind of fuel cell pack tip plate configurations |
| CN108206297A (en) * | 2017-12-20 | 2018-06-26 | 新源动力股份有限公司 | A kind of fuel cell module packaging and fixed structure |
| CN108878945A (en) * | 2018-08-31 | 2018-11-23 | 大洋电机新动力科技有限公司 | A kind of fuel cell |
| CN108987783A (en) * | 2018-06-13 | 2018-12-11 | 杭州氢航科技有限公司 | A kind of fuel cell environment protection cabin |
| CN109411799A (en) * | 2018-12-11 | 2019-03-01 | 广东索特能源科技有限公司 | A kind of pile sealing device and the method that pile is sealed |
| CN110212229A (en) * | 2019-06-26 | 2019-09-06 | 奇瑞商用车（安徽）有限公司 | Vehicle-mounted fuel cell system and fuel cell car |
| WO2020186707A1 (en) * | 2019-03-18 | 2020-09-24 | 中山大洋电机股份有限公司 | Plate-penetrating pipe joint with check valve function, and fuel battery |
-
2010
- 2010-04-22 CN CN2010201681888U patent/CN201689938U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569853A (en) * | 2012-01-09 | 2012-07-11 | 昆山弗尔赛能源有限公司 | Packaging structure for fuel cell stack |
| RU2613527C2 (en) * | 2012-12-19 | 2017-03-16 | Элрингклингер Аг | Heat-insulating device for arrangement of, at least, one sofc-fuel elements system component and method of said device making |
| CN106532097B (en) * | 2016-12-09 | 2023-08-29 | 新源动力股份有限公司 | Connecting piece for fuel cell system |
| CN106532097A (en) * | 2016-12-09 | 2017-03-22 | 新源动力股份有限公司 | Connecting piece for fuel cell system |
| CN106985651A (en) * | 2017-04-19 | 2017-07-28 | 厦门金龙联合汽车工业有限公司 | A kind of fuel cell system monoblock type mounting bracket and installation method |
| CN107742736A (en) * | 2017-10-20 | 2018-02-27 | 苏州中氢能源科技有限公司 | A kind of fuel cell pack tip plate configurations |
| CN108206297A (en) * | 2017-12-20 | 2018-06-26 | 新源动力股份有限公司 | A kind of fuel cell module packaging and fixed structure |
| CN108987783A (en) * | 2018-06-13 | 2018-12-11 | 杭州氢航科技有限公司 | A kind of fuel cell environment protection cabin |
| CN108878945A (en) * | 2018-08-31 | 2018-11-23 | 大洋电机新动力科技有限公司 | A kind of fuel cell |
| CN108878945B (en) * | 2018-08-31 | 2023-07-11 | 大洋电机新动力科技有限公司 | Fuel cell |
| CN109411799A (en) * | 2018-12-11 | 2019-03-01 | 广东索特能源科技有限公司 | A kind of pile sealing device and the method that pile is sealed |
| WO2020186707A1 (en) * | 2019-03-18 | 2020-09-24 | 中山大洋电机股份有限公司 | Plate-penetrating pipe joint with check valve function, and fuel battery |
| CN110212229A (en) * | 2019-06-26 | 2019-09-06 | 奇瑞商用车（安徽）有限公司 | Vehicle-mounted fuel cell system and fuel cell car |
| CN110212229B (en) * | 2019-06-26 | 2022-06-07 | 奇瑞商用车（安徽）有限公司 | Vehicle-mounted fuel cell system and fuel cell vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201689938U (en) | Integrated encapsulation structure of fuel cell electric pile module | |
| CN101807707B (en) | Encapsulation method of galvanic pile module of fuel cell | |
| CN102569853A (en) | Packaging structure for fuel cell stack | |
| CN113783227A (en) | Marine fuel cell power supply system and fuel cell ship | |
| CN202523802U (en) | Encapsulation structure of fuel cell electric pile | |
| CN210167450U (en) | High-integration hydrogen energy fuel cell stack package | |
| CN102201727A (en) | Liquid cooling power module for electric vehicle | |
| CN104362410B (en) | Water-cooled cells module | |
| CN208570852U (en) | A kind of battery modules radiator | |
| CN201117720Y (en) | Fuel cell dust proof water proof ventilated packaging gallow | |
| CN203179959U (en) | Self-insulation packaging housing for fuel cell stack of standby power supply of base station | |
| CN213459862U (en) | Photovoltaic independent power supply all-in-one machine for connecting power grid | |
| WO2008049204A1 (en) | Frame system and electrochemical cell system having the frame system | |
| CN207677442U (en) | A kind of offshore oil platform multi-energy source power supply system | |
| CN207116511U (en) | A kind of battery bag of high sealing performance | |
| CN212085058U (en) | Lithium battery buffering explosion-proof device | |
| CN219107086U (en) | Light stores up all-in-one | |
| CN108565373A (en) | One proton exchanging film fuel battery surge tank | |
| CN103151472A (en) | Self-heat-preservation packaged outer shell used for base station backup power fuel cell stack | |
| CN213521800U (en) | Double-sided thin-film solar cell module wiring structure | |
| CN213990099U (en) | Outdoor terminal with reliable seal structure | |
| CN216216638U (en) | Photovoltaic power generation device capable of being mounted on wall | |
| CN216720007U (en) | Methanol-water fuel cell generator structure | |
| CN218731082U (en) | Hydrogen source component and hydrogen battery system | |
| CN218334915U (en) | Special control cabinet of RTO |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |