CN217004897U - Hydrogen heater and hydrogen heating assembly - Google Patents
Hydrogen heater and hydrogen heating assembly Download PDFInfo
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- CN217004897U CN217004897U CN202220785712.9U CN202220785712U CN217004897U CN 217004897 U CN217004897 U CN 217004897U CN 202220785712 U CN202220785712 U CN 202220785712U CN 217004897 U CN217004897 U CN 217004897U
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 251
- 239000001257 hydrogen Substances 0.000 title claims abstract description 246
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 246
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 98
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 9
- 230000004323 axial length Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a hydrogen heater and a hydrogen heating assembly, wherein the hydrogen heater is provided with a hydrogen inlet and a hydrogen outlet and is provided with an installation surface for being attached and connected with a bus board; the hydrogen flow channel is formed in the hydrogen heater and is respectively communicated with the hydrogen inlet and the hydrogen outlet; the first flow channel is formed in the hydrogen heater and used for exchanging heat with the hydrogen flow channel, and a first inlet and a first outlet which are communicated with the first flow channel are formed in the mounting surface of the hydrogen heater. According to the hydrogen heater, the end faces of the hydrogen heater and the bus board are connected and matched, so that the connection sealing requirement of the hydrogen heater and the bus board is favorably reduced, the overall structure after installation is compact, the installation space is saved, the processing is convenient, the assembly is convenient, and the reduction of the setting cost is favorably realized.
Description
Technical Field
The utility model relates to the technical field of hydrogen fuel cell engine manufacturing, in particular to a hydrogen heater and a hydrogen heating assembly with the same.
Background
Generally, two internal flow channels capable of performing heat exchange with each other are arranged in the hydrogen heater, one internal flow channel is used for flowing hydrogen, and the other internal flow channel is used for flowing a high-temperature heat exchange medium. The hydrogen heater is connected with the bus board so that a high-temperature heat exchange medium in the bus board enters an internal flow channel of the hydrogen heater to achieve the heat exchange effect with hydrogen. In the related art, the bus board is connected with the hydrogen heater through an external pipeline, the external pipeline is high in sealing requirement, the processing and the assembling are complex, and an improved space exists.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a hydrogen heater, which can be directly installed in a butt joint with a bus bar without external pipeline connection, and has a compact structure, simple processing and assembly, and low sealing requirement.
A hydrogen heater according to an embodiment of the present invention includes: the hydrogen heater is provided with a hydrogen inlet and a hydrogen outlet and is provided with a mounting surface for attaching and connecting with the bus board; the hydrogen flow channel is formed in the hydrogen heater and is respectively communicated with the hydrogen inlet and the hydrogen outlet; the first flow channel is formed in the hydrogen heater and used for exchanging heat with the hydrogen flow channel, and a first inlet and a first outlet which are communicated with the first flow channel are formed in the mounting surface of the hydrogen heater.
According to the hydrogen heater provided by the embodiment of the utility model, the hydrogen heater is connected and matched with the bus board by adopting the end surface, the pipeline connection is not required, the connection sealing requirement of the hydrogen heater and the bus board is favorably reduced, the integral structure after installation is more compact, the installation space is saved, the processing is convenient, the assembly is convenient, and the reduction of the installation cost is favorably realized.
According to some embodiments of the utility model, the hydrogen heater comprises a heater body and a connecting flange surrounding the heater body, wherein the connecting flange is used for being detachably connected with the confluence plate through a fastener.
The utility model also provides a hydrogen heating assembly.
A hydrogen heating assembly according to some embodiments of the present invention, including the hydrogen heater according to any one of the above embodiments, further includes: the bus bar is provided with a second inlet and a second outlet, the second outlet is connected with the first inlet, and the first outlet is connected with the second inlet; and the hydrogen inlet pipe is communicated with the hydrogen outlet.
According to the hydrogen heating assembly of some embodiments of the present invention, the hydrogen heater is connected to the hydrogen inlet with the inlet pipe and connected to the hydrogen outlet with the outlet pipe, the inlet pipe is used for connecting to the gas source, and the outlet pipe is detachably connected to the hydrogen inlet pipe.
According to the hydrogen heating assembly of some embodiments of the present invention, the hydrogen inlet pipe is provided with a first connecting support, and the outlet pipe is provided with a second connecting support detachably connected with the first connecting support; and a second sealing member for radial sealing is arranged at the joint of the inlet end of the hydrogen inlet pipe and the outlet pipe.
According to some embodiments of the hydrogen heating assembly of the present invention, the inlet end of the hydrogen inlet pipe extends into the outlet pipe, and the second sealing element is sleeved outside the inlet end of the hydrogen inlet pipe and elastically abuts against the inner circumferential wall of the outlet pipe.
According to the hydrogen heating assembly of some embodiments of the present invention, the outlet end of the hydrogen inlet pipe is connected to a hydrogen valve seat, the hydrogen valve seat is provided with an inlet joint, the hydrogen inlet pipe is provided with a third connecting support, and the inlet joint is provided with a fourth connecting support detachably connected to the third connecting support; and a third sealing element for radial sealing is arranged at the joint of the outlet end of the hydrogen inlet pipe and the inlet joint.
According to some embodiments of the hydrogen heating assembly of the present invention, the outlet end of the hydrogen inlet pipe extends into the inlet joint, and the third sealing element is sleeved outside the outlet end of the hydrogen inlet pipe and elastically abuts against the inner peripheral wall of the inlet joint.
According to some embodiments of the hydrogen heating assembly of the present invention, a junction of the second outlet and the first inlet and/or a junction of the first outlet and the second inlet is provided with a first sealing member.
According to the hydrogen heating assembly of some embodiments of the present invention, the hydrogen heater and/or the bus plate is provided with a sealing groove, and the first sealing member is arranged in the sealing groove; the axial length of the first sealing element is larger than the axial depth of the sealing groove, so that the first sealing element is elastically pressed between the hydrogen heater and the confluence plate.
The advantages of the hydrogen heating assembly and the hydrogen heater are the same compared with the prior art, and are not described in detail herein.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a hydrogen heating assembly according to an embodiment of the utility model;
FIG. 2 is a cross-sectional view of a hydrogen heating assembly according to an embodiment of the utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an exploded view of a hydrogen gas heating assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a hydrogen heater of a hydrogen heating assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural view (another view) of a hydrogen heater of a hydrogen heating assembly according to an embodiment of the present invention;
fig. 7 is a schematic structural view (partially cut away) of a hydrogen inlet pipe of a hydrogen heating assembly according to an embodiment of the present invention.
Reference numerals:
the hydrogen gas heats the assembly 100 in a state that,
a confluence plate 1, a second inlet 11, a second outlet 12, a sealing groove 13,
the hydrogen heater 2, the heater main body 21, the inlet pipe 211, the outlet pipe 212, the second connecting support 213, the first inlet 214, the first outlet 215, the connecting flange 22,
a hydrogen inlet pipe 3, an annular groove 31, a first connecting support 32, a third connecting support 33,
a hydrogen valve seat 4, an inlet joint 41, a fourth connecting support 42,
a first seal 51, a second seal 52, a third seal 53,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The hydrogen heater 2 and the hydrogen heating assembly 100 with the hydrogen heater according to the embodiment of the utility model are described below with reference to fig. 1 to 7, the connection structure of the hydrogen heater 2 and the manifold block 1 is simple, no separate external pipeline needs to be added between the manifold block 1 and the hydrogen heater 2, the number of connecting pieces is reduced, the installation cost is reduced, the connection mode of the hydrogen heater 2 and the manifold block 1 is compact, the end face sealing is adopted, the integration level is high, the installation is simple, and the sealing requirement is favorably reduced.
As shown in fig. 1 to 7, a hydrogen heater 2 according to an embodiment of the present invention, the hydrogen heater 2 is used in connection with a bus bar 1.
The hydrogen heater 2 is provided with a first flow channel, the confluence plate 1 is provided with a second flow channel, the first flow channel is a heat exchange medium flow channel, the second flow channel is also a heat exchange medium flow channel, and the first flow channel is communicated with the second flow channel so that the heat exchange medium in the second flow channel flows into the first flow channel. Specifically, as shown in fig. 6, the first flow passage communicates with a first inlet 214 and a first outlet 215, and both the first inlet 214 and the first outlet 215 are provided on the installation surface of the hydrogen heater 2. The second flow passage communicates with a second inlet 11 and a second outlet 12, both the second inlet 11 and the second outlet 12 being open to the hydrogen heater 2 as shown in fig. 4. After the mounting surface of the hydrogen heater 2 is attached to the bus board 1, the second outlet 12 is connected with the first inlet 214 in a sealing manner, and the first outlet 215 is connected with the second inlet 11 in a sealing manner, so that the heat exchange medium in the second flow channel can flow to the first inlet 214 through the second outlet 12 and then flow to the first flow channel, and flow to the second inlet 11 through the first outlet 215 from the first flow channel and then flow back to the second flow channel. Therefore, the second outlet 12 is connected with the first inlet 214 in an abutting mode, and the first outlet 215 is connected with the second inlet 11 in an abutting mode, so that the second flow channel and the first flow channel are connected in series in the heat exchange water circuit.
The hydrogen heater 2 is further provided with a hydrogen flow channel for exchanging heat with the first flow channel, for example, the first flow channel is located on one side of the hydrogen heater 2 close to the bus bar 1, and the hydrogen flow channel is located on one side of the hydrogen heater 2 far from the bus bar 1, so that the first flow channel and the hydrogen flow channel are distributed in the hydrogen heater 2 in parallel at intervals, and a larger heat exchange stroke is provided between the first flow channel and the hydrogen flow channel, thereby improving the heat exchange efficiency.
According to the hydrogen heater 2 provided by the embodiment of the utility model, the hydrogen heater 2 is connected and matched with the bus board 1 by adopting the end surfaces, so that the requirement of connection and sealing between the hydrogen heater 2 and the bus board 1 is favorably reduced, the overall structure after installation is compact, the installation space is saved, the processing and the assembly are convenient, and the reduction of the setting cost is favorably realized.
In some embodiments, the hydrogen gas heater 2 includes a heater main body 21 and a connecting flange 22, the connecting flange 22 is disposed around the heater main body 21, as shown in fig. 4 and 5, the heater main body 21 is configured in a rectangular block shape, the connecting flange 22 is configured in a rectangular ring shape, the connecting flange 22 is disposed in the circumferential direction of the heater main body 21, as shown in fig. 5 and 6, connecting holes 62 are disposed at a plurality of positions in the circumferential direction of the connecting flange 22, the connecting holes 62 are through holes, and a plurality of connecting holes 62 are also disposed on the surface of the bus bar 1 facing the hydrogen gas heater 2, and the plurality of connecting holes 62 of the bus bar 1 are mounted in one-to-one correspondence with the plurality of connecting holes 62 of the connecting flange 22 and are connected and fixed by a plurality of bolts 61.
From this, can guarantee that hydrogen heater 2 and cylinder manifold 1 are connected stably effectively, and distribute bolt 61 in the circumference of heater main part 21 for the engaging force that hydrogen heater 2 received is comparatively balanced, guarantees the sealed effect of atress of first connecting piece simultaneously.
The utility model also provides a hydrogen heating assembly 100 which comprises a bus board 1, a hydrogen inlet pipe 3 and the hydrogen heater 2 of any one of the embodiments.
Wherein the bus bar 1 has a second flow passage communicating with a second inlet 11 and a second outlet 12, as shown in fig. 4, both the second inlet 11 and the second outlet 12 are open to the hydrogen heater 2. After the mounting surface of the hydrogen heater 2 is attached to the bus board 1, the second outlet 12 is connected with the first inlet 214 in a sealing manner, and the first outlet 215 is connected with the second inlet 11 in a sealing manner, so that the heat exchange medium in the second flow channel can flow to the first inlet 214 through the second outlet 12 and then flow to the first flow channel, and flow to the second inlet 11 through the first outlet 215 from the first flow channel and then flow back to the second flow channel. Therefore, the second outlet 12 is connected with the first inlet 214 in an abutting mode, and the first outlet 215 is connected with the second inlet 11 in an abutting mode, so that the second flow channel and the first flow channel are connected in series in the heat exchange water circuit. And the hydrogen inlet pipe 3 is communicated with the hydrogen outlet so that the hydrogen heater 2 can output the heated hydrogen.
In some embodiments, the hydrogen heater 2 is detachably connected to the bus bar 1, i.e., the hydrogen heater 2 and the bus bar 1 can be flexibly separated. If hydrogen heater 2 is connected fixedly through a plurality of bolts 61 with cylinder manifold 1, the follow-up dismantlement of being convenient for and change.
In some embodiments, the hydrogen heater 2 is connected to an inlet pipe 211 at the hydrogen inlet and an outlet pipe 212 at the hydrogen outlet, so that the inlet pipe 211 and the outlet pipe 212 are respectively in fluid communication with the hydrogen flow passage, and the inlet pipe 211 is adapted to be connected to a gas source. Thus, the external gas source can supply hydrogen from the inlet pipe 211 to the hydrogen heater 2, and the hydrogen enters from the inlet pipe 211, exchanges heat with the first flow channel in the hydrogen flow channel, and flows out from the outlet pipe 212 after heating of the hydrogen is achieved.
The outlet pipe 212 is detachably connected to the hydrogen inlet pipe 3, wherein, as shown in fig. 1 and fig. 4, one end of the hydrogen inlet pipe 3 is connected to the outlet pipe 212 of the hydrogen heater 2, the other end is used for connecting to the hydrogen valve seat 4, and the hydrogen valve seat 4 is used for connecting to the pipeline of the gas system. Therefore, after the hydrogen introduced into the hydrogen heater 2 is heated, the hydrogen can sequentially flow into the gas using system through the hydrogen inlet pipe 3 and the hydrogen valve seat 4, and the temperature state of the hydrogen can meet the actual requirement of the gas using system.
In some embodiments, as shown in fig. 2, the hydrogen inlet pipe 3 is provided with a first connecting support 32, the outlet pipe 212 is provided with a second connecting support 213, and the second connecting support 213 is detachably connected to the first connecting support 32, as shown in fig. 5, the first connecting support 32 is provided at a position of the hydrogen inlet pipe 3 near the inlet end thereof, the first connecting support 32 is provided with a connecting hole 62, the outer peripheral wall of the outlet pipe 212 is provided with the second connecting support 213, and the first connecting support 32 and the second connecting support 213 have the same shape and configuration so that the first connecting support 32 and the second connecting support 213 can be snugly connected and connected by a bolt 61 penetrating through the connecting hole 62.
The junction of the inlet end of the hydrogen inlet pipe 3 and the outlet pipe 212 is provided with a second sealing member 52 for radial sealing, i.e. the radial sealing can be realized by the second sealing member 52 after the inlet end of the hydrogen inlet pipe 3 is connected with the outlet pipe 212, so as to avoid the problem of gas flow leakage at the hydrogen inlet pipe 3 and the outlet pipe 212. The second seal 52 may be configured as a sealing ring.
In some embodiments, the inlet end of the hydrogen inlet pipe 3 extends into the outlet pipe 212, and the second sealing member 52 is sleeved outside the inlet end of the hydrogen inlet pipe 3 and elastically abuts against the inner peripheral wall of the outlet pipe 212. That is, in actual installation, the radial dimension of the outer peripheral wall of the inlet end of the hydrogen inlet pipe 3 is smaller than the radial dimension of the inner peripheral wall of the outlet pipe 212, and meanwhile, as shown in fig. 7, an annular groove 31 may be provided on the outer peripheral wall of the inlet end of the hydrogen inlet pipe 3, the annular groove 31 is used for installing a second sealing member 52, that is, the second sealing member 52 is circumferentially sleeved in the annular groove 31 to be installed and matched with the inlet end of the hydrogen inlet pipe 3, so that the second sealing member 52 extends into the outlet pipe 212 along with the inlet end of the hydrogen inlet pipe 3, and the outer peripheral edge of the second sealing member 52 is elastically pressed against the inner peripheral wall of the outlet pipe 212, so as to realize radial sealing matching and avoid the gas flow at the outlet pipe 212 from axially moving to flow out of the matching position with the hydrogen inlet pipe 3.
As shown in fig. 7, a plurality of annular grooves 31 may be provided at the inlet end of the hydrogen inlet pipe 3, so that a plurality of second sealing members 52 may be respectively installed at the plurality of annular grooves 31, to increase the sealing effect between the inlet end of the hydrogen inlet pipe 3 and the outlet pipe 212.
In some embodiments, as shown in fig. 2, the outlet end of the hydrogen inlet pipe 3 is connected with a hydrogen valve seat 4, and the hydrogen valve seat 4 is provided with an inlet joint 41. The hydrogen inlet pipe 3 is provided with a third connecting support 33, the inlet joint 41 is provided with a fourth connecting support 42, the fourth connecting support 42 is detachably connected with the third connecting support 33, the position of the hydrogen inlet pipe 3 close to the outlet end of the hydrogen inlet pipe is provided with the third connecting support 33, the third connecting support 33 is provided with a connecting hole 62, the peripheral wall of the inlet joint 41 is provided with the fourth connecting support 42, the third connecting support 33 and the fourth connecting support 42 have the same shape and structure, so that the third connecting support 33 and the fourth connecting support 42 can be connected in a fitting mode, and are connected through a bolt 61 penetrating through the connecting hole 62.
The joint of the outlet end of the hydrogen inlet pipe 3 and the inlet joint 41 is provided with a third sealing member 53 for radial sealing, i.e. the radial sealing can be realized by the third sealing member 53 after the outlet end of the hydrogen inlet pipe 3 is connected with the inlet joint 41, thereby avoiding the problem of air flow leakage at the hydrogen inlet pipe 3 and the inlet joint 41. Wherein the third seal 53 may be configured as a sealing ring.
In some embodiments, the outlet end of the hydrogen inlet pipe 3 extends into the inlet joint 41, and the third sealing member 53 is sleeved outside the outlet end of the hydrogen inlet pipe 3 and elastically abuts against the inner peripheral wall of the inlet joint 41. That is, during actual installation, the radial dimension of the outer peripheral wall of the outlet end of the hydrogen inlet pipe 3 is smaller than the radial dimension of the inner peripheral wall of the inlet joint 41, meanwhile, as shown in fig. 7, an annular groove 31 may be provided on the outer peripheral wall of the outlet end of the hydrogen inlet pipe 3, the annular groove 31 is used for installing a third sealing member 53, that is, the third sealing member 53 is circumferentially sleeved in the annular groove 31 to be installed and matched with the outlet end of the hydrogen inlet pipe 3, so that the third sealing member 53 extends into the inlet joint 41 along with the outlet end of the hydrogen inlet pipe 3, and the outer peripheral edge of the third sealing member 53 elastically presses against the inner peripheral wall of the inlet joint 41, thereby realizing radial sealing matching and preventing the airflow at the inlet joint 41 from axially moving and flowing out from the matching position with the hydrogen inlet pipe 3.
According to the hydrogen heating assembly 100, the junction plate 1 and the hydrogen heater 2 are arranged to be in end face connection fit, and the diameter of the sealing groove 13 is larger than the inner diameter of the inlet and the outlet of the heat exchange medium, so that when the junction plates are in end face fit, even if a deviation exists when the inlet and the outlet of the first flow passage are in butt joint, the flow influence on the heat exchange medium is small, namely the assembly error can be absorbed by end face seal assembly, therefore, the sealing reliability of the whole hydrogen heating assembly 100 can be ensured, and the whole hydrogen heating assembly 100 is compact in structure, convenient to process and convenient to assemble.
And the hydrogen inlet pipe 3 is connected and matched with the hydrogen heater 2 and the hydrogen valve seat 4 in a radial sealing matching mode, two sealing rings are arranged at each joint, the sealing reliability can be guaranteed, and the fixing requirement can be met by arranging one bolt 61 at each joint, so that the cost of processing and assembling operation is saved. The pipe body part of the hydrogen inlet pipe 3 is made of a steel pipe with standard specification, the steel pipe is processed in a bending and shearing mode, the material and processing cost are low, the joint and the pipe body are integrally formed in a welding mode after being processed, and high processing precision can be obtained by using the tool. And in the practical design, as shown in fig. 3, the aperture of the connecting hole 62 in the present invention is configured to be larger than the outer diameter of the bolt 61, that is, a movable gap is reserved between the inner peripheral wall of the connecting hole 62 and the outer peripheral wall of the bolt 61, so as to absorb the assembly tolerance between the two connecting members, reduce the assembly precision requirement, and facilitate quick installation.
Install first sealing member 51 between hydrogen heater 2 and cylinder manifold 1, first sealing member 51 elasticity is supported and is pressed between hydrogen heater 2 and cylinder manifold 1 to play the sealed effect of elasticity between hydrogen heater 2 and cylinder manifold 1. Wherein, the first sealing element 51 is sleeved at the joint of the second outlet 12 and the first inlet 214 and/or the joint of the first outlet 215 and the second inlet 11. That is, the first sealing element 51 can be sleeved at the joint of the second outlet 12 and the first inlet 214, so as to realize the sealing performance of the inlet end of the first flow channel and avoid the problem of water inlet leakage of the first flow channel; and the first sealing element 51 can be sleeved at the joint of the first outlet 215 and the second inlet 11, so that the sealing performance of the outlet end of the first flow channel is realized, the problem of water leakage of the first flow channel is avoided, and the sealing performance between the hydrogen heater 2 and the collecting plate 1 is ensured.
The first sealing elements 51 are ring-shaped elements, and when the first sealing elements 51 are specifically installed, as shown in fig. 4, two first sealing elements 51 are provided, one first sealing element 51 can be sleeved at the joint of the second outlet 12 and the first inlet 214, and the other first sealing element 51 is sleeved at the joint of the first outlet 215 and the second inlet 11, and then the confluence plate 1 and the hydrogen heater 2 are gradually fastened through the bolts 61, so that the first sealing element 51 is pressed between the confluence plate 1 and the hydrogen heater 2 to play a sealing role, and it is ensured that both water inlet and water outlet of the first flow channel are effectively sealed. The first sealing element 51 may be configured as a sealing ring.
In some embodiments, the hydrogen gas heater 2 and/or the bus bar 1 are provided with a sealing groove, for example, one of the hydrogen gas heater 2 and the bus bar 1 is provided with a sealing groove 13 opened toward the other, and the first sealing member 51 is installed in the sealing groove 13. That is, the seal groove 13 may be provided on the surface of the hydrogen heater 2 facing the manifold plate 1, and the first seal 51 may be provided in the seal groove 13 so as to abut against the manifold plate 1, or as shown in fig. 2, the seal groove 13 may be provided on the surface of the manifold plate 1 facing the hydrogen heater 2, and the first seal 51 may be provided in the seal groove 13 so as to abut against the hydrogen heater 2, thereby achieving the mounting and sealing effects of the first seal 51.
Of course, in specific design, the sealing groove 13 may be provided on both surfaces of the hydrogen heater 2 and the bus bar 1 facing each other, so that a part of the first sealing member 51 is located in the sealing groove 13 of the hydrogen heater 2 and another part is located in the sealing groove 13 of the bus bar 1, so that the first sealing member 51 is more stably installed.
In some embodiments, the axial length of the first seal 51 is greater than the axial depth of the seal groove 13, i.e., the first seal 51 is elastically pressed against between the hydrogen heater 2 and the manifold plate 1 when the first seal 51 is installed in the seal groove 13.
As shown in fig. 2, the sealing groove 13 is provided on the bus bar 1, the first sealing member 51 is mounted on the surface of the bus bar 1 facing the hydrogen heater 2, and at least a part of the first sealing member 51 extends to the right to abut against the hydrogen heater 2 on the right side, so that after the bus bar 1 and the hydrogen heater 2 are connected and fixed, the first sealing member 51 utilizes its elastic deformation to make the sealing effect between the two better, and avoid the leakage of the heat exchange medium.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A hydrogen heater (2), characterized by comprising:
the hydrogen heater (2) is provided with a hydrogen inlet and a hydrogen outlet and is provided with a mounting surface for attaching and connecting with the bus board (1);
the hydrogen flow channel is formed in the hydrogen heater (2) and is respectively communicated with the hydrogen inlet and the hydrogen outlet;
the first flow channel is formed in the hydrogen heater (2) and used for exchanging heat with the hydrogen flow channel, and a first inlet (214) and a first outlet (215) which are communicated with the first flow channel are arranged on the installation surface of the hydrogen heater (2).
2. The hydrogen heater (2) according to claim 1, wherein the hydrogen heater (2) comprises a heater body (21) and a connecting flange (22) surrounding the heater body (21), the connecting flange (22) being adapted to be detachably connected to the manifold plate (1) by means of fasteners.
3. A hydrogen heating assembly (100) comprising a hydrogen heater (2) according to claim 1 or 2, further comprising:
the collecting plate (1) is provided with a second inlet (11) and a second outlet (12), the second outlet (12) is connected with the first inlet (214), and the first outlet (215) is connected with the second inlet (11);
and the hydrogen inlet pipe (3) is communicated with the hydrogen outlet.
4. The hydrogen heating assembly (100) according to claim 3, wherein the hydrogen heater (2) is connected with an inlet pipe (211) at the hydrogen inlet and an outlet pipe (212) at the hydrogen outlet, the inlet pipe (211) being adapted to be connected with a gas source, the outlet pipe (212) being detachably connected with the hydrogen inlet pipe (3).
5. The hydrogen heating assembly (100) according to claim 4, wherein the hydrogen inlet pipe (3) is provided with a first connecting seat (32), and the outlet pipe (212) is provided with a second connecting seat (213) detachably connected with the first connecting seat (32); wherein,
and a second sealing member (52) for radial sealing is arranged at the joint of the inlet end of the hydrogen inlet pipe (3) and the outlet pipe (212).
6. The hydrogen heating assembly (100) according to claim 5, wherein the inlet end of the hydrogen inlet pipe (3) extends into the outlet pipe (212), and the second sealing member (52) is sleeved outside the inlet end of the hydrogen inlet pipe (3) and elastically abuts against the inner peripheral wall of the outlet pipe (212).
7. The hydrogen heating assembly (100) according to claim 3, wherein the outlet end of the hydrogen inlet pipe (3) is connected with a hydrogen valve seat (4), the hydrogen valve seat (4) is provided with an inlet joint (41), the hydrogen inlet pipe (3) is provided with a third connecting support (33), and the inlet joint (41) is provided with a fourth connecting support (42) detachably connected with the third connecting support (33); wherein
And a third sealing element (53) for radial sealing is arranged at the joint of the outlet end of the hydrogen inlet pipe (3) and the inlet joint (41).
8. The hydrogen heating assembly (100) according to claim 7, wherein the outlet end of the hydrogen inlet pipe (3) extends into the inlet joint (41), and the third sealing member (53) is sleeved outside the outlet end of the hydrogen inlet pipe (3) and elastically abuts against the inner peripheral wall of the inlet joint (41).
9. A hydrogen heating assembly (100) according to claim 3, characterized in that the connection of the second outlet (12) to the first inlet (214) and/or the connection of the first outlet (215) to the second inlet (11) is provided with a first seal (51).
10. The hydrogen gas heating assembly (100) according to claim 9, wherein the hydrogen gas heater (2) and/or the manifold plate (1) is provided with a sealing groove, the first seal (51) being provided within the sealing groove; wherein,
the axial length of the first sealing element (51) is larger than the axial depth of the sealing groove (13), so that the first sealing element (51) is elastically pressed between the hydrogen heater (2) and the confluence plate (1).
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| CN202220785712.9U CN217004897U (en) | 2022-03-30 | 2022-03-30 | Hydrogen heater and hydrogen heating assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11713734B1 (en) * | 2023-02-01 | 2023-08-01 | GM Global Technology Operations LLC | Thermally conditioned noise / vibration attenuating fuel rail chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11713734B1 (en) * | 2023-02-01 | 2023-08-01 | GM Global Technology Operations LLC | Thermally conditioned noise / vibration attenuating fuel rail chamber |
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