CN212434668U - Fuel cell system and novel fuel cell box structure thereof - Google Patents
Fuel cell system and novel fuel cell box structure thereof Download PDFInfo
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- CN212434668U CN212434668U CN202021472864.0U CN202021472864U CN212434668U CN 212434668 U CN212434668 U CN 212434668U CN 202021472864 U CN202021472864 U CN 202021472864U CN 212434668 U CN212434668 U CN 212434668U
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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
- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a fuel cell system and novel fuel cell box structure thereof, wherein, novel fuel cell box structure includes: a case body and a flat plate part; the box main part includes: a plurality of extruded parts; the box body main body is of a barrel-shaped main body structure and is formed by assembling a plurality of extrusion parts, and a matched extrusion part fixing and assembling structure is arranged between every two adjacent extrusion parts; the box body is provided with a port matched with the flat part, and a matched flat part fixing and assembling structure is arranged between the flat part and the port of the box body. In this scheme, at first adopt a plurality of extrusion parts that obtain through the extrusion technology shaping to assemble into the box main part, with the port of box main part and dull and stereotyped part be assembled between/be connected in order to form the battery box again, this scheme so designs, and to a great extent has reduced the machining work load of box, also reduces box raw and other materials and energy extravagant simultaneously to help reducing the manufacturing cost of box by a wide margin.
Description
Technical Field
The utility model relates to a fuel cell technical field, in particular to fuel cell system and novel fuel cell box structure thereof.
Background
The fuel cell box body is a structural bearing part of the fuel cell, and the fuel cell box body, the upper cover of the cell and the front end plate of the cell are connected together through the bolt to form a cell box with reliable strength and good sealing performance, so that the function of protecting the internal cell module is achieved.
Most of the traditional fuel cell box bodies are made of steel or aluminum materials by casting, and the method has high cost of die allocation under the condition of small batch, thereby causing high cost of the whole cell; and a whole steel or aluminum ingot is manufactured by a large amount of machining, the machining amount of the method is large, the utilization rate of raw materials is as low as 10 percent, waste is caused to a great extent, and high cost is also generated due to large machining amount.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a novel fuel cell box structure can to a great extent reduce the machine tooling work load of box, also reduces the box raw and other materials and the energy is extravagant simultaneously to help reducing substantially the manufacturing cost of box.
The utility model also provides a fuel cell system of using above-mentioned novel fuel cell box structure.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel fuel cell case structure comprising: a case body and a flat plate part;
the box main part includes: a plurality of extruded parts; the box body main body is of a barrel-shaped main body structure and is formed by assembling a plurality of extrusion parts, and a matched extrusion part fixing and assembling structure is arranged between every two adjacent extrusion parts;
the box body is provided with a port matched with the flat part, and a matched flat part fixing and assembling structure is arranged between the flat part and the port of the box body.
Preferably, the number of the extrusion parts is two, and the extrusion parts are symmetrically arranged.
Preferably, the press part comprises: a left extrusion part and a right extrusion part;
the left side extrusion part and the right side extrusion part are both H-shaped extrusion parts or H-shaped extrusion parts.
Preferably, the left side pressing part includes: a left top plate, a left side plate and a left bottom plate;
the outer end of the left top plate is connected to the top of the left side plate, and the bottom of the left side plate is connected to the top surface of the left bottom plate close to the outer end;
the right side pressing part includes: a right top plate, a right side plate and a right bottom plate; the outer end of the right side top plate is connected to the top of the right side plate, and the bottom of the right side plate is connected to the top surface of the right side bottom plate close to the outer end.
Preferably, the left top plate is hollowed to form a left connecting beam; the outer end of the left connecting beam is connected to the top of the front end of the left side plate;
the right top plate is hollowed to form a right connecting beam; the outer end of the right connecting beam is connected to the top of the front end of the right side plate; the inner end of the right connecting beam is used for being connected with the inner end of the left connecting beam.
Preferably, the pressing part fixing and assembling structure includes:
a matched connecting beam fixing and assembling structure is arranged between the inner end of the left connecting beam and the inner end of the right connecting beam;
a matched bottom plate fixing and assembling structure is arranged between the inner end of the left bottom plate and the inner end of the right bottom plate;
the rear ends of the left side plate, the left side bottom plate, the right side plate and the right side bottom plate form a rear port of the box body; the rear port of the box body main body is used for being matched with the flat plate part in an assembling and connecting way;
the fixed assembly structure of dull and stereotyped part includes:
and a matched rear port fixing and assembling structure is arranged between the rear port of the box body main body and the flat plate part.
Preferably, the connection beam fixing and assembling structure, the bottom plate fixing and assembling structure, and/or the rear port fixing and assembling structure includes: and (5) welding the structure.
Preferably, the welded structure is a friction stir welded structure or a laser welded structure.
Preferably, the box body and/or the flat plate part have a machined structure;
the machining structure includes:
the port assembling structure is arranged at the other port of the box body main body and is used for being matched with the end plate;
a box body main body lightening structure;
and/or, flat part lightening.
A fuel cell system comprising: the fuel cell box body is of the novel fuel cell box body structure.
According to the above technical scheme, the utility model provides an among the novel fuel cell box structure, at first adopt a plurality of extrusion parts that obtain through the extrusion technology shaping to assemble into the box main part, with the port and the dull and stereotyped part be assembled between/be connected between with the formation battery box of box main part, this scheme so designs, and to a great extent has reduced the machine tooling work load of box, also reduces the box raw and other materials and the energy is extravagant simultaneously to help reducing substantially the manufacturing cost of box.
The utility model also provides a fuel cell system, owing to adopted foretell novel fuel cell box structure, consequently it also has corresponding beneficial effect, specifically can refer to the preceding explanation, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a novel fuel cell box structure provided by an embodiment of the present invention;
fig. 2 is an exploded view of a novel fuel cell case structure provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram (not machined) of a left-side extrusion part according to an embodiment of the present invention;
fig. 4 is a schematic structural view (machined) of a left-side extruded part according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram (not machined) of a right-side extruded part according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a right-side extruded part (machined) according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram (not machined) of a flat plate component according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram (machined) of a flat plate component according to another embodiment of the present invention.
Wherein, 1 is a left side extrusion part, 1.1 is a left side top plate, 1.2 is a left side plate, 1.21 is a left side plate top assembling hole, 1.22 is a left side plate lightening hole, 1.23 is a left side plate front assembling hole, 1.3 is a left side bottom plate, 1.31 is a left side bottom plate front assembling hole, 1.4 is a left side connecting beam, 1.41 is a left side connecting beam top assembling hole, and 1.42 is a left side connecting beam front assembling hole;
2, a right side extrusion part, 2.1, a right side top plate, 2.2, a right side plate, 2.21, a right side plate top assembly hole, 2.22, a right side plate lightening groove, 2.23, a right side plate front assembly hole, 2.3, a right side bottom plate, 2.31, a right side bottom plate front assembly hole, 2.4, a right side connecting beam, 2.41, a right side connecting beam top assembly hole and 2.42, a right side connecting beam front assembly hole;
3, a flat part and 3.1, a top assembly hole of the flat part;
and 4, friction stir welding.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a novel fuel cell box structure, as shown in figure 1, include: a case body and a flat plate part 3;
the box main part includes: a plurality of extruded parts; the box body main body is of a barrel-shaped main body structure and is formed by assembling a plurality of extrusion parts, and a matched extrusion part fixing and assembling structure is arranged between every two adjacent extrusion parts;
the box body is provided with a port matched with the flat part 3, and a matched flat part fixing and assembling structure is arranged between the flat part 3 and the port of the box body.
The battery box body is a cylindrical main body structure formed by assembling a plurality of extrusion parts, the cylindrical main body structure is only used as a main body frame of the battery box body, and the appearance characteristics (machining structure) are machined subsequently to form a finished battery box body product; in addition, the case body (barrel body structure) has two ports, one for assembly with the plate member 3 and the other for assembly with the end plate (front end plate) so as to form a complete and closed battery case, as described in detail below.
According to the above technical scheme, the embodiment of the utility model provides an among the novel fuel cell box structure, at first adopt a plurality of extrusion parts that obtain through the extrusion technology shaping to assemble into the box main part, with the port and the dull and stereotyped part be assembled between/be connected between with the formation battery box of box main part, this scheme designs so, and to a great extent has reduced the machine tooling work load of box, also reduces box raw and other materials and energy waste simultaneously to help reducing the manufacturing cost of box by a wide margin.
In this embodiment, as can be seen from the above, the box body has a barrel-shaped main structure (symmetrical structure). In order to improve the assembly efficiency and the assembly strength of the box body and greatly reduce the machining workload of the box body, correspondingly, the box body can be obtained by symmetrically assembling extruded parts. Furthermore, the number of the extrusion parts in the scheme is two, and the structure can be symmetrically arranged, so that the rapid assembly of the box body main body is realized; in addition, two extrusion parts with symmetrical structures can be extruded and molded by the same die, so that the production cost of the box body can be further reduced. Of course, the structures of the two extrusion parts in the scheme can also adopt asymmetric arrangement, and the description is omitted here.
Specifically, as shown in fig. 1, the press part includes: a left extrusion part 1 and a right extrusion part 2;
the left side pressing part 1 and the right side pressing part 2 are both h-shaped pressing parts, and the structure thereof can be seen with reference to fig. 3 and 5. This scheme has adopted two h type extrusion parts to control the equipment just so and form the box main part, and this kind of equipment mode has characteristics such as simple structure, equipment are convenient, has still made the bottom of box main part to the left and right sides formation extension, and then so that process it into the mount pad structure of battery box. Of course, the press part can also be designed as a press part of other design forms, such as: h-shaped extrusion parts, which are not described in detail herein.
In order to further optimize the above technical solution, as shown in fig. 3, the left side pressing part 1 includes: a left top plate 1.1, a left side plate 1.2 and a left bottom plate 1.3; the outer end (left end) of the left top plate 1.1 is connected to the top of the left side plate 1.2, and the bottom of the left side plate 1.2 is connected to the top surface of the left bottom plate 1.3 close to the outer end (left end);
as shown in fig. 5, the right press part 2 includes: a right top plate 2.1, a right side plate 2.2 and a right bottom plate 2.3; the outer end (right end) of the right top plate 2.1 is connected to the top of the right side plate 2.2, and the bottom of the right side plate 2.2 is connected to the top surface of the right bottom plate 2.3 near the outer end (right end). In this scheme, the so symmetrical design of left side extrusion part 1 and the structure of right side extrusion part 2 can make left side extrusion part 1 and right side extrusion part 2 can adopt same mould production, relative whole extrusion, and its mould size is reducible half, effectively alleviates equipment and cost pressure that the mould size is too big to bring.
Specifically, in order to realize the hollow setting of the top of the box body, the internal structure of the box body is convenient to arrange, the left side top plate 1.1 and the right side top plate 2.1 need to be respectively hollow, but a hollow port is formed at the top of the box body, so that the top of the box body is conveniently assembled and connected with the cover plate, and local hollow setting is required to be respectively carried out on the left side top plate 1.1 and the right side top plate 2.1. Accordingly, as shown in fig. 3 and 4, the left top plate 1.1 forms a left connecting beam 1.4 through hollow-out arrangement (machining); the outer end (left end) of the left connecting beam 1.4 is connected to the top of the front end of the left side plate 1.2;
as shown in fig. 5 and 6, the right top plate 2.1 is hollowed out (machined) to form a right connecting beam 2.4; the outer end (right end) of the right connecting beam 2.4 is connected to the top of the front end of the right side plate 2.2; the inner end of the right connecting beam 2.4 is used for connecting the inner end of the left connecting beam 1.4. Therefore, the top of the left side plate 1.2, the top of the left connecting beam 1.4, the top of the right connecting beam 2.4 and the top of the right side plate 2.2 form a hollow-out top port of the box body. In this scheme, left side tie-beam 1.4 and right side tie-beam 2.4 have helped strengthening the structural strength of top fretwork port.
Specifically, as shown in fig. 2, the pressing part fixing and assembling structure includes:
a matched connecting beam fixing and assembling structure is arranged between the inner end (left end) of the left connecting beam 1.4 and the inner end (right end) of the right connecting beam 2.4;
a matched bottom plate fixing assembly structure is arranged between the inner end (left end) of the left bottom plate 1.3 and the inner end (right end) of the right bottom plate 2.3;
the rear ends of the left side plate 1.2, the left bottom plate 1.3, the right side plate 2.2 and the right bottom plate 2.3 form a rear port of the box body; the rear port of the box body is the above mentioned port for the box body to be matched with the flat plate part 3, that is, the rear port of the box body is used for being assembled, connected and matched with the flat plate part 3;
the fixed assembly structure of flat part includes:
and a matched rear port fixing and assembling structure is arranged between the rear port of the box body and the flat part 3.
In this scheme, in order to make between the port of box main part and dull and stereotyped part 3, and form better fixed assembly effect between the adjacent extrusion part in the box main part, correspondingly, tie-beam fixed assembly structure, bottom plate fixed assembly structure and/or the fixed assembly structure of back port include: and (5) welding the structure. Further, in order to promote the whole joint strength and the leakproofness of battery box, as preferred, the welded structure of this scheme has adopted friction stir welding structure. That is, the inner ends of the left connecting beam 1.4 and the right connecting beam 2.4, the inner ends of the left bottom plate 1.3 and the inner ends of the right bottom plate 2.3, and the rear end opening of the box body and the flat plate part 3 are connected into a whole by friction stir welding (the distribution of friction stir welding seams 4 is shown in fig. 2), so that the strength and the sealing property after connection are ensured. In addition, this scheme can also other welded structure, for example: the laser welding structure will not be described herein. Of course, the present solution may also adopt other connection modes, such as: high-strength glue joint, and a mixed joint of high-strength glue joint and screw joint, which are not described herein again.
Specifically, the case body above is only used as a main frame of the battery case, and the appearance characteristics thereof need to be machined so as to form a final battery case product. Accordingly, the tank body and/or the plate part 3 have a machined structure;
the machining structure includes:
the port assembly structure is arranged at the other port (front port) of the box body main body and is used for being matched with the end plate (front end plate), so that the assembly connection of the box body main body and the end plate is realized;
a box body main body lightening structure;
and/or the flat plate part lightens the structure, and thus, the light weight design of the battery box body is facilitated.
In order to further optimize the technical scheme, the port assembling structure is a port assembling hole; the port fitting hole includes: a left side port assembly hole and a right side port assembly hole;
as shown in fig. 4, the left side port fitting hole includes:
the front assembly hole 1.42 of the left connecting beam is arranged at the front part of the left connecting beam 1.4 and is used for being matched with the end plate;
the front assembly hole 1.23 of the left side plate is arranged at the front part of the left side plate 1.2 and is used for being matched with the end plate;
the front assembly hole 1.31 of the left bottom plate is arranged at the front part of the left bottom plate 1.3 and is used for being matched with the end plate;
as shown in fig. 6, the right-side port fitting hole includes:
the right connecting beam front part assembly hole 2.42 is arranged at the front part of the right connecting beam 2.4 and is used for being matched with the end plate;
a right side plate front part assembly hole 2.23 arranged at the front part of the right side plate 2.2 and used for being matched with the end plate;
and a right bottom plate front assembly hole 2.31 arranged at the front part of the right bottom plate 2.3 and used for being matched with the end plate.
In addition, in order to realize the assembly connection of the top fretwork port of box main part and apron, correspondingly, the machine tooling structure still includes:
the hollow port assembly structure is arranged at the top of the box body and is used for being matched with the cover plate; the hollow port assembling structure comprises: a left side hollowed-out port assembling structure, a right side hollowed-out port assembling structure and a panel part top assembling structure;
as shown in fig. 4, the left-side cut-out port fitting structure includes:
the top assembly hole 1.41 is arranged at the top of the left connecting beam 1.4 and is used for being matched with the cover plate;
the left side plate top assembly hole 1.21 is arranged at the top of the left side plate 1.2 and is used for being matched with the cover plate;
as shown in fig. 6, the right side cut-out port fitting structure includes:
the right connecting beam top assembly hole 2.41 is arranged at the top of the right connecting beam 2.4 and is used for being matched with the cover plate;
the right side plate top assembly hole 2.21 is arranged at the top of the right side plate 2.2 and is used for being matched with the cover plate;
as shown in fig. 7 and 8, the top assembling structure of the plate member includes:
the top assembling hole 3.1 is arranged at the top of the flat part 3 and is used for being matched with the cover plate; further, the first plate part lightening structure is a first plate part lightening hole and/or a first plate part lightening groove; the box body lightening structure is a box body lightening hole and/or a box body lightening groove (as shown in figure 4, a left side plate 1.2 is provided with a left side plate lightening hole 1.22; as shown in figure 6, a right side plate 2.2 is provided with a right side plate lightening groove 2.22). In this scheme, get rid of the unnecessary material of box main part through the machining to realize the lightweight of self structure, have characteristics such as easy operation and easily realization.
The embodiment of the utility model provides a still provide a fuel cell system, include: the fuel cell box body is of the novel fuel cell box body structure. Because this scheme has adopted foretell novel fuel cell box structure, it also has corresponding beneficial effect exactly, can refer to preceding explanation specifically, no longer gives details here.
The present solution is further described below with reference to specific embodiments:
the utility model relates to a novel extrusion fuel cell box mainly comprises left side extrusion part 1, right side extrusion part 2, dull and stereotyped part 3. The left side extrusion part 1, the right side extrusion part 2 and the flat plate part 3 are connected into a whole through friction stir welding, and the sealing and the strength after connection can be effectively guaranteed through the friction stir welding. The left-side pressing part 1, the right-side pressing part 2, and the plate part 3 are made of a low-density alloy material such as an aluminum alloy or a magnesium alloy. The utility model can reduce the machining amount and working hours of the box body to a great extent, and reduce the waste of raw materials and energy, thereby greatly reducing the production cost; the utility model can solve the problem that one extruding part can not be adopted when the size of the box body is large, and the left extruding part 1 and the right extruding part 2 can adopt the same die, thereby reducing the die cost; simultaneously the utility model discloses box left side extrusion part 1, right side extrusion part 2 have realized the box lightweight under the prerequisite of proof strength through adopting low-density metal material extrusion.
The technical scheme of the utility model:
the utility model discloses well left side extrusion part 1, right side extrusion part 2 are at first through extrusion process production state before reaching the machining, as shown in fig. 3, fig. 5, then get rid of unnecessary material through the machining, process out mounting hole etc. and reach the finished product state, as shown in fig. 4, fig. 6. The flat part 3 is extruded or rolled to a pre-machining state of the flat part 3 as shown in fig. 7, and then to a finished state through machining of a desired mounting hole and the like as shown in fig. 8. Then, the left pressing member 1, the right pressing member 2, and the flat plate member 3 are joined together by friction stir welding to form a fuel cell case, as shown in fig. 1.
The utility model has the advantages that:
the utility model discloses well left side extrusion part 1, right side extrusion part 2 at first reach the required main part shape of fuel cell box through extrusion process production, the machining work load that has significantly reduced to a great extent has reduced manufacturing cost, improves material utilization, and production efficiency improves, practices thrift the production energy. And left side extrusion part 1, right side extrusion part 2 can adopt same mould production, relative whole extrusion, and the mould size can be reduced half, effectively alleviates equipment and cost pressure that the mould size is too big brings. The utility model discloses a split is left side extrusion part 1, right side extrusion part 2 and flat part 3, has also reduced the requirement to the machining equipment, can process in parallel, further improves work efficiency. The friction stir welding ensures the joining strength and the sealing property between the left extruded part 1, the right extruded part 2, and the plate part 3. The left side extrusion part 1, the right side extrusion part 2 and the plate part 3 can all adopt low-density metal materials, such as aluminum alloy or magnesium alloy, as raw materials, and the whole box body can be lightened.
The utility model discloses a key point:
1. the original whole steel or aluminum ingot machining box body is split into a left side extrusion part 1, a right side extrusion part 2 and a flat plate part 3, so that the machining workload is reduced, and the requirements on machining equipment are lowered;
2. the left side extrusion part 1 and the right side extrusion part 2 reach the main body shape of the fuel tank body through extrusion process production, and then machining is carried out, so that the machining workload is reduced;
3. the flat part 3 can be formed by extrusion or rolling, the production difficulty is low, and the requirement on machining equipment is low;
4. the utility model adopts friction stir welding to carry out connection, thereby ensuring the requirements of strength and sealing performance after connection;
5. the extrusion part is divided into a left extrusion part 1 and a right extrusion part 2, so that the size of the die is reduced to a great extent, and the pressure of die production and cost is reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A novel fuel cell case structure, comprising: a box body and a plate part (3);
the box main part includes: a plurality of extruded parts; the box body main body is of a barrel-shaped main body structure and is formed by assembling a plurality of extrusion parts, and a matched extrusion part fixing and assembling structure is arranged between every two adjacent extrusion parts;
the box body is provided with a port used for being matched with the flat part (3), and a matched flat part fixing and assembling structure is arranged between the flat part (3) and the port of the box body.
2. The new fuel cell case structure according to claim 1, wherein the number of the pressing parts is two, and the structure is symmetrically arranged.
3. The new fuel cell case structure according to claim 2, wherein said pressing part comprises: a left extrusion part (1) and a right extrusion part (2);
the left side extrusion part (1) and the right side extrusion part (2) are both H-shaped extrusion parts or H-shaped extrusion parts.
4. A new fuel cell case structure according to claim 3, wherein said left side pressing part (1) comprises: a left top plate (1.1), a left side plate (1.2) and a left bottom plate (1.3); the outer end of the left side top plate (1.1) is connected to the top of the left side plate (1.2), and the bottom of the left side plate (1.2) is connected to the top surface of the left side bottom plate (1.3) close to the outer end;
the right side pressing part (2) includes: a right top plate (2.1), a right side plate (2.2) and a right bottom plate (2.3); the outer end of the right side top plate (2.1) is connected to the top of the right side plate (2.2), and the bottom of the right side plate (2.2) is connected to the top surface of the right side bottom plate (2.3) close to the outer end.
5. The novel fuel cell tank structure according to claim 4, wherein the left side top plate (1.1) is formed with a left side connecting beam (1.4) by hollowing; the outer end of the left connecting beam (1.4) is connected to the top of the front end of the left side plate (1.2);
the right top plate (2.1) is hollowed to form a right connecting beam (2.4); the outer end of the right connecting beam (2.4) is connected to the top of the front end of the right side plate (2.2); the inner end of the right connecting beam (2.4) is used for being connected with the inner end of the left connecting beam (1.4).
6. The new fuel cell case structure according to claim 5, wherein said pressing part fixing fitting structure comprises:
a matched connecting beam fixing and assembling structure is arranged between the inner end of the left connecting beam (1.4) and the inner end of the right connecting beam (2.4);
a matched bottom plate fixing and assembling structure is arranged between the inner end of the left bottom plate (1.3) and the inner end of the right bottom plate (2.3);
the rear ends of the left side plate (1.2), the left side bottom plate (1.3), the right side plate (2.2) and the right side bottom plate (2.3) form a rear port of the box body; the rear port of the box body main body is used for being assembled, connected and matched with the flat plate part (3);
the fixed assembly structure of dull and stereotyped part includes:
and a matched rear port fixing and assembling structure is arranged between the rear port of the box body main body and the flat plate part (3).
7. The novel fuel cell tank structure of claim 6, wherein the connection beam fixing and assembling structure, the bottom plate fixing and assembling structure, and/or the rear port fixing and assembling structure comprises: and (5) welding the structure.
8. The new fuel cell tank structure according to claim 7, wherein the welded structure is a friction stir welded structure or a laser welded structure.
9. The new fuel cell case structure according to claim 1, characterized in that the case body and/or the flat plate part (3) has a machined structure;
the machining structure includes:
the port assembling structure is arranged at the other port of the box body main body and is used for being matched with the end plate;
a box body main body lightening structure;
and/or, flat part lightening.
10. A fuel cell system comprising: a fuel cell case characterized in that the fuel cell case is a novel fuel cell case structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021472864.0U CN212434668U (en) | 2020-07-23 | 2020-07-23 | Fuel cell system and novel fuel cell box structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021472864.0U CN212434668U (en) | 2020-07-23 | 2020-07-23 | Fuel cell system and novel fuel cell box structure thereof |
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| CN212434668U true CN212434668U (en) | 2021-01-29 |
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| CN202021472864.0U Active CN212434668U (en) | 2020-07-23 | 2020-07-23 | Fuel cell system and novel fuel cell box structure thereof |
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2020
- 2020-07-23 CN CN202021472864.0U patent/CN212434668U/en active Active
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