CN113013533A - Fuel cell shock-proof device and fuel cell system - Google Patents
Fuel cell shock-proof device and fuel cell system Download PDFInfo
- Publication number
- CN113013533A CN113013533A CN201911317440.9A CN201911317440A CN113013533A CN 113013533 A CN113013533 A CN 113013533A CN 201911317440 A CN201911317440 A CN 201911317440A CN 113013533 A CN113013533 A CN 113013533A
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- fuel cell
- shock
- stack
- bracket
- mounting
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- 239000000446 fuel Substances 0.000 title claims abstract description 65
- 230000035939 shock Effects 0.000 claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000001012 protector Effects 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 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
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides a fuel cell shock-proof device and a fuel cell system, wherein the fuel cell shock-proof device comprises an end plate, a plurality of brackets and a plurality of shock pads; wherein the end plates are used for fastening the electric pile from two ends of the electric pile; the support is provided with an inner side surface facing the electric pile, and the shock absorption pad is arranged on the inner side surface, so that a shock absorption component matched with an edge of the electric pile is formed, and the shock absorption component is arranged to press the electric pile inwards; the support is provided with a mounting structure at an end thereof for fixed connection with the end plate to fasten the stack. The fuel cell shockproof device can effectively avoid damage to the stack caused by stack vibration collapse, has high space utilization rate, and is convenient for integration and maintenance with other parts.
Description
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to a fuel cell shockproof device and a fuel cell system.
Background
A fuel cell is a device that directly converts chemical energy of fuel into electric energy, and is also called an electrochemical generator. Fuel cells are the fourth power generation technology following hydroelectric, thermal, and nuclear power generation. The fuel cell can convert Gibbs free energy in chemical energy of fuel into electric energy through electrochemical reaction, is not limited by Carnot cycle effect, and has the advantages of high efficiency and the like. In addition, the fuel cell uses fuel (such as hydrogen) and oxygen as raw materials, has no mechanical transmission parts, has no noise pollution, and emits little harmful gas. Therefore, fuel cells are a promising power generation technology from the viewpoint of energy saving and ecological environment protection.
The fuel cell stack is usually formed by laminating hundreds of single cells through end plates on two sides, the end plates on the two sides are locked through four pull rods and nuts, but no protection is usually provided in the direction perpendicular to the laminating direction, and an additional structure is required to be arranged to ensure the safety and reliability of the stack under the vibration and impact working conditions.
For example, chinese patent 2018200392904 discloses a three-dimensional impact-resistant structure of a fuel cell, which comprises a shock-resistant support disposed outside the stack, wherein the shock-resistant support comprises four sets of shock-resistant insulating pads and protection plates, which are disposed on four sides of the stack without a pressing plate, respectively, and the protection plates are disposed outside the shock-resistant insulating pads and fixed on the pressing plate of the stack, thereby achieving the shock-resistant effect. However, such a shock mount has the following disadvantages: (1) the guard plate has large area, and the guard plate needs to have certain strength and rigidity to realize the shockproof purpose, thereby not only increasing the weight, but also wasting the space; (2) similarly, the damping insulating pad has large area and higher cost and weight; (3) in order to prevent waist collapse, the galvanic pile needs to be matched with a shockproof support with the shape and size, cannot be used independently, and is not beneficial to integration and maintenance with other components.
Disclosure of Invention
Therefore, the present invention is directed to overcome the disadvantages of the prior art, and an object of the present invention is to provide a fuel cell shock absorber, which can effectively prevent the damage of the stack caused by the stack shock and collapse, has a high space utilization, and is convenient for integration and maintenance with other components. In another aspect, the present invention also provides a fuel cell system.
The purpose of the invention is realized by the following technical scheme.
In one aspect, the present invention provides a fuel cell shock mounting, wherein the fuel cell shock mounting includes an end plate, a plurality of brackets, and a plurality of shock pads; wherein,
the end plates are used for fastening the electric pile from two ends of the electric pile;
the support is provided with an inner side surface facing the electric pile, and the shock absorption pad is arranged on the inner side surface, so that a shock absorption component matched with an edge of the electric pile is formed, and the shock absorption component is arranged to press the electric pile inwards;
the support is provided with a mounting structure at an end thereof for fixed connection with the end plate to fasten the stack.
Preferably, the inner side surface has a cross section in the shape of a rounded corner.
Preferably, the mounting structure is an internal thread, and the end plate is provided at an end corner thereof with a mounting hole for mounting the bracket.
More preferably, the bracket is fixed to the end plate by bolts.
Preferably, the support is provided with a reinforcing structure on the outer side surface away from the stack.
More preferably, the reinforcing structure is a reinforcing plate disposed in a direction perpendicular to a length direction of the bracket.
Preferably, the fuel cell shock absorber further comprises at least one fastening ring, and the fastening ring is sleeved on the outer side of the support and tightens the support inwards, so that the fastening structure presses the stack inwards.
Preferably, the fuel cell shock absorber further comprises a protector plate installed between two adjacent brackets.
Preferably, the length of the support is less than or equal to the length of the stack, and the width of the shock pad exceeds the width of the inner side surface.
In another aspect, the present invention provides a fuel cell system, wherein the fuel cell system includes a stack and the fuel cell anti-vibration device.
Preferably, the area of the fuel cell shockproof device covering the stack is 5-10% of the total area of the stack surface without the end plate.
The invention has the following advantages:
(1) the fuel cell shockproof device can effectively avoid the phenomenon of stack shock waist collapse, can meet the shockproof requirement of the stack, and simultaneously has a certain function of protecting the stack.
(2) The fuel cell shockproof device has the advantages of small volume, light weight, high space utilization rate and low cost.
(3) The fuel cell shockproof device is provided with the plurality of brackets and the plurality of shock absorption pads, so that a plurality of shockproof assemblies are formed, and if the shockproof assemblies are damaged, the shockproof assemblies are convenient to maintain and replace.
(4) The fuel cell shockproof device is suitable for various galvanic piles with different specifications, can be used independently, and is convenient for integration and maintenance with other parts.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, 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 schematic disassembled view of one embodiment of a fuel cell shock mount according to the present invention;
fig. 2 is a cross-sectional view of an embodiment of a fuel cell shock mounting apparatus according to the present invention.
Wherein the figures include the following reference numerals:
1-electric pile;
2-a scaffold;
3-a shock pad;
4-protecting plate;
5-end plate;
6-bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The invention provides a fuel cell shock-proof device, wherein the fuel cell shock-proof device comprises an end plate, a plurality of brackets and a plurality of shock-absorbing pads; wherein,
the end plates are used for fastening the electric pile from two ends of the electric pile;
the support is provided with an inner side surface facing the electric pile, and the shock absorption pad is arranged on the inner side surface, so that a shock absorption component matched with an edge of the electric pile is formed, and the shock absorption component is arranged to press the electric pile inwards;
the support is provided with a mounting structure at an end thereof for fixed connection with the end plate to fasten the stack.
Fig. 1 and 2 show an embodiment of a fuel cell shock-proof device according to the present invention.
Referring to fig. 1 and 2, the fuel cell shock absorber of the present invention includes an end plate 5, a plurality of brackets 2, and a plurality of shock-absorbing pads 3.
The end plates 5 are used to fasten the stack 1 from both ends of the stack 1. The support 2 has an inner side surface facing the stack 1, on which a damping pad 3 is arranged, thereby forming a damping member cooperating with an edge of the stack 1, the damping member being arranged to press the stack 1 inwards.
The support 2 is provided at its ends with mounting structures for fixed connection with end plates 5 to secure the stack 1.
In the present invention, the end plate 5 may tension the stack 1 by means of the support frame 2, whereby the support frame 2 may replace the existing end plate fixing elements such as tie rods. The shock pad 3 is placed on the inboard surface of support 2, and a plurality of supports 2 and a plurality of shock pads 3 form a plurality of subassemblies that take precautions against earthquakes, and a plurality of subassemblies that take precautions against earthquakes inwards sticiss galvanic pile 1, provide support (fastening), buffering to galvanic pile 1 along the length direction multi-angle of galvanic pile 1 to avoid galvanic pile 1 vibrations waist of collapsing, satisfy the shockproof requirement of galvanic pile. The fuel cell shockproof device has the advantages of small volume, light weight, high space utilization rate, low cost and convenient maintenance and replacement if damaged. The fuel cell shockproof device is suitable for various galvanic piles with different specifications, can be used independently, and is convenient for integration and maintenance with other parts.
In one embodiment of the invention, the length of the support 2 is less than or equal to the length of the stack 1, in particular less than the length of the stack 1. Thereby, the support 2 can provide a tightening operation margin for the tightening cell stack 1.
In one embodiment of the invention, the mounting structure of the bracket 2 may be an internal thread, and the end plate 5 is provided at its end corners with mounting holes for mounting the bracket 2. Preferably, the bracket 2 is fixed to the end plate 5 by bolts. The stack 1 can be tensioned by adjusting the bolts.
In one embodiment of the invention, the support 2 is provided with a reinforcing structure (not shown) on the outer side surface facing away from the stack 1. The present invention has no particular requirement for the reinforcing structure. In a preferred embodiment of the invention, the reinforcing structure is a reinforcing plate arranged in a direction perpendicular to the length direction of the bracket 2.
In one embodiment of the present invention, as shown in fig. 2, the inside surface of the bracket 2 has a cross section in the shape of a rounded corner.
In one embodiment of the present invention, the cushion 3 may have a shape matching the inner side surface of the bracket 2; in another embodiment of the present invention, the cushion 3 may be a flat surface which is pressed to be formed by the bracket 2 when being installed.
In one embodiment of the present invention, the width of the cushion 3 can be adjusted accordingly according to the actual application. From the economical and energy-saving point of view, the shock pad 3 should be as narrow as possible to reduce the cost. However, the cushion 3 typically exceeds the width of the inside surface in its width to ensure the electrical safety requirements of the electricity 1.
In the embodiment shown in fig. 1 and 2, the fuel cell vibration-proofing device of the present invention has 4 brackets and 4 shock-absorbing pads.
In one embodiment of the invention, the size of the mounting holes in the end plate 5 is generally larger than the size of the bolts to facilitate mounting. The fuel cell shock-proof apparatus of the present invention further includes at least one fastening ring (not shown) which is fitted over the outside of the support 2 and tightens the support 2 inward so that the fastening structure presses the stack 1 inward. Therefore, the phenomenon that during operation, bolts of the fixing support 2 are loosened due to vibration and further the shockproof effect of the shockproof assembly is reduced or even the shockproof assembly fails can be avoided.
The number of fastening rings in the present invention may be determined according to the length of the stack. In some specific embodiments, the fuel cell shock mounts of the present invention have 1, 2, or 3 fastening rings.
In one embodiment of the present invention, as shown in fig. 2, the fuel cell shock absorber of the present invention further includes a protector plate 4, and the protector plate 4 is installed between two adjacent brackets 2.
Since the sheathing plate 4 is not used to support or tension the stack, the sheathing plate 4 may be made of a lightweight thin plate to reduce the total weight of the fuel cell system.
In one embodiment of the invention, as shown in fig. 2, the long sides of the bracket 2 are provided at their top ends with notches for mounting the cover sheet 4, whereby the outer surface of the cover sheet 4 can be kept flush with the bracket 2.
In the present invention, the protector plate 4 may be attached to the bracket 2 by screws, or may be adhered to the bracket 2 by an adhesive.
In another aspect, referring to fig. 1 and 2, the present invention also provides a fuel cell system including a stack 1 and a fuel cell vibration prevention device.
In one embodiment of the present invention, the fuel cell vibration-damping device has a vibration-damping member covering the stack 1 in an area of 5 to 10% of the total area of the stack 1 on the surface where the end plate 5 is not provided. Therefore, the shockproof assembly can reduce the weight and the cost while playing a shockproof role.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. A fuel cell vibration-proofing device, wherein the fuel cell vibration-proofing device includes an end plate (5), a plurality of brackets (2), and a plurality of shock-absorbing pads (3); wherein,
the end plates (5) are used for fastening the electric pile (1) from two ends of the electric pile (1);
the support (2) has an inner side surface facing the stack (1), and the shock-absorbing pad (3) is arranged on the inner side surface, thereby forming a shock-absorbing component which is matched with an edge of the stack (1), and the shock-absorbing component is arranged to press the stack (1) inwards;
the support (2) is provided at its end with a mounting structure for a fixed connection with the end plate (5) for fastening the stack (1).
2. The fuel cell shock mounting device as defined in claim 1, wherein a cross section of said inner side surface is in a shape of an inverted round.
3. The fuel cell shock-proof device as defined in claim 1 or 2, wherein the mounting structure is an internal thread, the end plate (5) is provided at its end corners with mounting holes for mounting the bracket (2);
preferably, the bracket (2) is fixed to the end plate (5) by bolts.
4. The fuel cell shock mounting according to any one of claims 1 to 3, wherein the bracket (2) is provided with a reinforcing structure on an outer side surface away from the stack (1).
5. The fuel cell shock mounting as defined in claim 4, wherein said reinforcing structure is a reinforcing plate provided in a direction perpendicular to a length direction of said bracket (2).
6. The fuel cell shock mount according to any one of claims 1 to 5, further comprising at least one fastening ring that fits over the outside of the bracket (2) and tightens the bracket (2) inwards so that the fastening structure presses the stack (1) inwards.
7. The fuel cell shock protection device according to any one of claims 1 to 6, further comprising a protector plate (4), said protector plate (4) being mounted between two adjacent brackets (2).
8. The fuel cell shock mount as defined in any one of claims 1 to 7, wherein the length of the bracket (2) is equal to or less than the length of the stack (1), and the damper pad (3) exceeds the width of the inner side surface in its width.
9. A fuel cell system, wherein the fuel cell system comprises a stack (1) and the fuel cell shock mounting of any one of claims 1 to 8.
10. The fuel cell system according to claim 9, wherein the fuel cell anti-vibration device anti-vibration assembly covers an area of the stack (1) of 5 to 10% of a total area of a face of the stack (1) where no end plate (5) is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317440.9A CN113013533A (en) | 2019-12-19 | 2019-12-19 | Fuel cell shock-proof device and fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317440.9A CN113013533A (en) | 2019-12-19 | 2019-12-19 | Fuel cell shock-proof device and fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113013533A true CN113013533A (en) | 2021-06-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911317440.9A Pending CN113013533A (en) | 2019-12-19 | 2019-12-19 | Fuel cell shock-proof device and fuel cell system |
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| Country | Link |
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| CN (1) | CN113013533A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205069718U (en) * | 2015-11-03 | 2016-03-02 | 成都雅骏新能源汽车科技股份有限公司 | Block structure of battery |
| CN105428671A (en) * | 2015-12-15 | 2016-03-23 | 江苏绿遥燃料电池系统制造有限公司 | High-power-density PEMFC (proton exchange membrane fuel cell) pile |
| CN107565154A (en) * | 2017-09-28 | 2018-01-09 | 深圳市南科燃料电池有限公司 | Fuel cell |
| CN207765506U (en) * | 2018-01-10 | 2018-08-24 | 航天新长征电动汽车技术有限公司 | A kind of anti-three-dimensional impact structure of fuel cell |
| CN208797079U (en) * | 2018-10-31 | 2019-04-26 | 长春格瑞科技有限公司 | A kind of fuel cell shockproof structure |
| CN209205036U (en) * | 2018-10-29 | 2019-08-06 | 苏州智为环境科技有限公司 | A kind of photochemical catalytic oxidation equipment fluorescent tube and power supply load module |
| EP3524533A1 (en) * | 2018-02-06 | 2019-08-14 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Packing device |
| CN209298264U (en) * | 2018-12-26 | 2019-08-23 | 江苏氢璞创能科技有限公司 | A kind of metal plate pile for fuel cell passenger car |
-
2019
- 2019-12-19 CN CN201911317440.9A patent/CN113013533A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205069718U (en) * | 2015-11-03 | 2016-03-02 | 成都雅骏新能源汽车科技股份有限公司 | Block structure of battery |
| CN105428671A (en) * | 2015-12-15 | 2016-03-23 | 江苏绿遥燃料电池系统制造有限公司 | High-power-density PEMFC (proton exchange membrane fuel cell) pile |
| CN107565154A (en) * | 2017-09-28 | 2018-01-09 | 深圳市南科燃料电池有限公司 | Fuel cell |
| CN207765506U (en) * | 2018-01-10 | 2018-08-24 | 航天新长征电动汽车技术有限公司 | A kind of anti-three-dimensional impact structure of fuel cell |
| EP3524533A1 (en) * | 2018-02-06 | 2019-08-14 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Packing device |
| CN209205036U (en) * | 2018-10-29 | 2019-08-06 | 苏州智为环境科技有限公司 | A kind of photochemical catalytic oxidation equipment fluorescent tube and power supply load module |
| CN208797079U (en) * | 2018-10-31 | 2019-04-26 | 长春格瑞科技有限公司 | A kind of fuel cell shockproof structure |
| CN209298264U (en) * | 2018-12-26 | 2019-08-23 | 江苏氢璞创能科技有限公司 | A kind of metal plate pile for fuel cell passenger car |
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Application publication date: 20210622 |
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