CN212695197U - Detection distribution head for electric pile and fuel cell system - Google Patents
Detection distribution head for electric pile and fuel cell system Download PDFInfo
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- CN212695197U CN212695197U CN202022990092.6U CN202022990092U CN212695197U CN 212695197 U CN212695197 U CN 212695197U CN 202022990092 U CN202022990092 U CN 202022990092U CN 212695197 U CN212695197 U CN 212695197U
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- galvanic pile
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- pressure
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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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Abstract
The utility model provides a detect distribution head and fuel cell system for galvanic pile, include: the detection mounting seat is arranged on the galvanic pile, and is provided with three detection through holes for respectively flowing through three different fluids; the temperature and pressure detection system comprises three temperature and pressure detection assemblies in one-to-one correspondence with the three detection through holes, and each temperature and pressure detection assembly extends into the corresponding detection through hole to detect temperature information and pressure information of the fluid; the pipeline mounting seat is arranged on one side, back to the electric pile, of the detection mounting seat, three transition flow channels which correspond to the three detection through holes one by one are arranged on the pipeline mounting seat, and each transition flow channel is communicated with the corresponding detection through hole; and the distribution pipeline system comprises three conveying pipes which are in one-to-one correspondence with the three transition flow channels, and the conveying pipes are communicated with the corresponding transition flow channels. The utility model discloses can detect the fluidic pressure information and the temperature information in inside of galvanic pile more accurately.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a detect distribution head and fuel cell system for galvanic pile.
Background
A fuel cell is an electrochemical energy conversion device that directly converts chemical energy in a fuel into direct current. For example, in a proton exchange membrane fuel cell, corresponding gases are supplied to both sides of the proton exchange membrane, for example, hydrogen is supplied at an anode electrode of the proton exchange membrane, and oxygen or air is supplied at a cathode electrode of the proton exchange membrane. The hydrogen gas at the anode electrode is electrochemically oxidized to produce electrons and protons, the electrons are transported to the cathode electrode through an external circuit, the protons pass through a proton exchange membrane, and the electrons and protons react with oxygen at the cathode electrode to produce water, releasing heat.
Fuel cells are very sensitive to the uniformity of distribution of reactants to and from the stack and to temperature conditions, which have a large impact on the reliability, stability and lifetime of the stack operation. Therefore, the accuracy of data information of the electric pile in the process of activation is very important.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, the to-be-solved technical problem of the present invention is to provide a detecting distribution head and a fuel cell system for a galvanic pile, which can detect the pressure information and the temperature information of the internal fluid of the galvanic pile more accurately, and has simple structure, convenient loading and unloading, safety and reliability.
In order to solve the technical problem, the utility model provides a detect distribution head for galvanic pile, include:
the detection mounting seat is arranged on the galvanic pile, and is provided with three detection through holes for respectively flowing through three different fluids;
the temperature and pressure detection system comprises three temperature and pressure detection assemblies in one-to-one correspondence with the three detection through holes, and each temperature and pressure detection assembly extends into the corresponding detection through hole to detect temperature information and pressure information of the fluid;
the pipeline mounting seat is arranged on one side, back to the electric pile, of the detection mounting seat, three transition flow channels which correspond to the three detection through holes one by one are arranged on the pipeline mounting seat, and each transition flow channel is communicated with the corresponding detection through hole;
and the distribution pipeline system comprises three conveying pipes which are in one-to-one correspondence with the three transition flow channels, and the conveying pipes are communicated with the corresponding transition flow channels.
Preferably, warm pressure detection subassembly includes temperature sensor and pressure sensor, and temperature sensor includes temperature sensing body and temperature probe, and pressure sensor includes pressure sensing body and pressure probe, and temperature probe and pressure probe stretch into to detecting in the through-hole from different directions.
Preferably, the detection mounting base is provided with first mounting holes which correspond to the three detection through holes one to one, and the first mounting holes are in a conical threaded hole structure and are communicated with the corresponding detection through holes; the temperature sensing body is assembled in the first mounting hole in a threaded mode.
Preferably, one end of the conveying pipe in the extending direction is provided with a connecting flange, and the other end of the conveying pipe in the extending direction is provided with a clamping flange.
Preferably, a first sealing ring is arranged at the communication position of the conveying pipe and the transition flow passage.
Preferably, the pipeline mounting seat is provided with a connecting piece, and the connecting piece is arranged on the detection mounting seat in a penetrating manner so as to fix the pipeline mounting seat and the detection mounting seat on the galvanic pile.
Preferably, a second sealing ring is arranged at the communication position of the transition flow channel and the detection through hole.
Preferably, the electric pile comprises an electric pile body and an electric pile vent plate, and three passages which correspond to the three detection through holes one by one are arranged on the electric pile vent plate; and a third sealing ring is arranged at the communication part of the detection through hole and the corresponding passage.
Preferably, the cross section of the transition flow channel gradually decreases towards the direction of the galvanic pile, the large opening end of the transition flow channel is smoothly communicated with the conveying pipe, and the small opening end of the transition flow channel is smoothly communicated with the detection through hole.
The utility model also provides a fuel cell system, include a detection distribution head for the galvanic pile.
As described above, the utility model discloses a detect distribution head and fuel cell system for galvanic pile has following beneficial effect: the utility model discloses in, a fluid piping system that is used for the detection distribution head of galvanic pile can install on the galvanic pile conveniently and communicate with each other with the galvanic pile. The detection mounting seat is directly mounted on the galvanic pile, and three detection through holes for respectively flowing through three different fluids are formed in the detection mounting seat; meanwhile, the warm-pressing detection system comprises three warm-pressing detection assemblies in one-to-one correspondence with the three detection through holes, and each warm-pressing detection assembly extends into the corresponding detection through hole. So set up, the three temperature of warm-pressing detecting system presses detecting element can be close to the business turn over department of galvanic pile, closely detects pressure information and the temperature information of business turn over in the fluid of galvanic pile, reduces the manifold flow resistance to the influence of detection data, can with more accurate, about the fluid temperature information and pressure information feedback to the testboard, monitor the inside fluid condition of galvanic pile more accurately. In addition, the detection distribution head for the galvanic pile has the advantages of simple structure, convenience in assembly and disassembly, safety and reliability. Therefore, the utility model discloses a pressure information and temperature information that is used for measuring distribution head and fuel cell system of galvanic pile can detect the fluid of business turn over in the galvanic pile more accurately, simple structure, and loading and unloading are convenient, safe and reliable.
Drawings
Fig. 1 is a perspective view of the detecting and distributing head for electric pile of the present invention;
FIG. 2 is a perspective view showing a state of use of the inspection distribution head for the electric stack;
FIG. 3 is a plan view showing a state of use of the inspection distribution head for the electric stack;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is an enlarged view of a portion B in fig. 4.
Description of the element reference numerals
1 electric pile
11 electric pile body
12 electric pile vent plate
121 path
2 detection mounting base
21 inspection through hole
3 warm-pressing detection system
31 warm-pressing detection assembly
311 temperature sensor
312 pressure sensor
4 pipeline mounting seat
41 transition flow passage
5 distribution pipe system
51 delivery pipe
511 connecting flange
512 clamping flange
6 first seal ring
7 connecting piece
8 second seal ring
9 third seal ring
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 2, the stack 1 of the present invention includes a stack body 11 and a stack vent plate 12.
As shown in fig. 1 to 5, the utility model provides a detection distribution head for galvanic pile, including:
the detection mounting seat 2 is arranged on the electric pile 1, and three detection through holes 21 for respectively flowing through three different fluids are arranged on the detection mounting seat 2; the three different fluids may be a fuel (e.g., hydrogen fuel), an oxidant (e.g., oxygen or air), and a coolant (e.g., cooling water), respectively, or a mixed fluid of a fuel, an oxidant, and a reactant (e.g., oxygen or air with water vapor), and a coolant, respectively.
The warm-pressing detection system 3 comprises three warm-pressing detection assemblies 31 which are in one-to-one correspondence with the three detection through holes 21, and each warm-pressing detection assembly 31 extends into the corresponding detection through hole 21 to detect the temperature information and the pressure information of the fluid;
the pipeline mounting seat 4 is arranged on one side, back to the electric pile 1, of the detection mounting seat 2, three transition flow channels 41 which correspond to the three detection through holes 21 one by one are arranged on the pipeline mounting seat 4, and each transition flow channel 41 is communicated with the corresponding detection through hole 21;
the distribution pipeline system 5, the distribution pipeline system 5 includes three delivery pipes 51 corresponding to the three transition flow channels 41 one by one, and the delivery pipes 51 are communicated with the corresponding transition flow channels 41.
The utility model discloses in, a detect distribution head for galvanic pile can install on galvanic pile 1 conveniently and communicate with each other with galvanic pile 1's fluid pipe-line system. For example, a test distribution header for a stack is installed at an inlet of the stack 1, and three different fluids, i.e., fuel, oxidant, and coolant, flow through the distribution piping system 5, the piping mount 4, and the test mount 2 in sequence. In the case, for example, of a test distribution head for a stack, mounted at the outlet of the stack 1, three different fluids, respectively fuel, oxidant with reactants and coolant, flow in sequence through a test mounting 2, a pipe mounting 4 and a distribution pipe system 5. The detection mounting seat 2 is directly mounted on the electric pile 1, and three detection through holes 21 for respectively flowing through three different fluids are arranged on the detection mounting seat 2; meanwhile, the warm-pressing detection system 3 includes three warm-pressing detection assemblies 31 in one-to-one correspondence with the three detection through holes 21, and each warm-pressing detection assembly 31 extends into the corresponding detection through hole 21. So set up, the three warm pressure detecting component 31 of warm pressure detecting system 3 can be close to the business turn over department of galvanic pile 1, closely detects pressure information and the temperature information of business turn over in the fluid of galvanic pile 1, reduces the manifold flow resistance to the influence of detected data, can with more accurate, about the temperature information and the pressure information feedback of fluid to the testboard, monitor the inside fluid condition of galvanic pile 1 more accurately. In addition, the detection distribution head for the galvanic pile has the advantages of simple structure, convenience in assembly and disassembly, safety and reliability.
Therefore, the utility model discloses a pressure information and temperature information that is used for the detection distribution head of galvanic pile can detect business turn over in galvanic pile 1's fluidic more accurately, simple structure, and loading and unloading are convenient, safe and reliable.
As shown in fig. 3, further, the warm-pressing detecting assembly 31 includes a temperature sensor 311 and a pressure sensor 312, the temperature sensor 311 includes a temperature sensing body and a temperature probe, the pressure sensor 312 includes a pressure sensing body and a pressure probe, and the temperature probe and the pressure probe extend into the detecting through hole 21 from different directions, so as to avoid interference between the temperature sensor 311 and the pressure sensor 312.
Further, the detection mounting base 2 is provided with first mounting holes corresponding to the three detection through holes 21 one by one, and the first mounting holes are in a tapered threaded hole structure and are communicated with the corresponding detection through holes 21; the temperature sensing body is assembled in the first mounting hole in a threaded mode. The first mounting hole is of a conical threaded hole structure, so that the sealing performance of the mounting position of the temperature sensing body can be guaranteed, and the phenomenon that fluid leaks at the mounting position is avoided. Similarly, the pressure sensing body may be similarly mounted.
As shown in fig. 1, in order to facilitate the installation of the delivery pipe 51, one end of the delivery pipe 51 in the extending direction is provided with a connecting flange 511, and the other end of the delivery pipe 51 in the extending direction is provided with a fastening flange 512. The connecting flange 511 is fixed on the pipeline mounting seat 4 through a bolt assembly; the clamp flange 512 is directly clamped to a test station so that the delivery pipe 51 can be quickly and conveniently connected to a fluid source.
As shown in fig. 5, in order to improve the sealing performance between the delivery pipe 51 and the transition flow passage 41, a first sealing ring 6 (e.g., an O-ring) is provided at a communication portion between the delivery pipe 51 and the transition flow passage 41.
As shown in fig. 1 and 5, in order to fix the pipeline installation seat 4 and the detection installation seat 2 on the stack 1, a connection member 7 (e.g., a screw) is disposed on the pipeline installation seat 4, and the connection member 7 is inserted into the detection installation seat 2 to fix the pipeline installation seat 4 and the detection installation seat 2 on the stack 1.
As shown in fig. 5, in order to improve the sealing performance between the transition flow passage 41 and the detection through hole 21, a second sealing ring 8 (e.g., an O-ring) is provided at a communication portion between the transition flow passage 41 and the detection through hole 21.
As shown in fig. 5, the stack vent plate 12 is provided with three passages 121 corresponding to the three detection through holes 21 one by one; the third seal ring 9 (e.g., an O-ring) is provided at the communication portion between the detection through hole 21 and the corresponding passage 121, so that the sealing property between the detection through hole 21 and the passage 121 can be improved.
As shown in fig. 5, in order to ensure the smoothness of the fluid inside the stack 1 when interacting with the outside and reduce the flow resistance, the cross section of the transition flow channel 41 is gradually reduced toward the stack 1, the large opening end of the transition flow channel 41 is smoothly communicated with the delivery pipe 51, and the small opening end of the transition flow channel 41 is smoothly communicated with the detection through hole 21.
The utility model also provides a fuel cell system, including the above-mentioned detection distributor head that is used for the galvanic pile. The utility model discloses a fuel cell system can monitor the inside fluid condition of galvanic pile 1 more accurately.
To sum up, the utility model discloses a pressure information and temperature information that is used for measuring distribution head and fuel cell system of galvanic pile can detect the inside fluidic of galvanic pile more accurately, simple structure, and loading and unloading are convenient, safe and reliable. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A test dispense head for a stack, comprising:
the detection mounting seat (2) is arranged on the galvanic pile (1), and three detection through holes (21) for respectively flowing through three different fluids are arranged on the detection mounting seat (2);
the temperature and pressure detection system (3) comprises three temperature and pressure detection assemblies (31) which correspond to the three detection through holes (21) one by one, and each temperature and pressure detection assembly (31) extends into the corresponding detection through hole (21) to detect the temperature information and the pressure information of the fluid;
the pipeline mounting seat (4) is arranged on one side, back to the galvanic pile (1), of the detection mounting seat (2), the pipeline mounting seat (4) is provided with three transition flow channels (41) which correspond to the three detection through holes (21) one by one, and each transition flow channel (41) is communicated with the corresponding detection through hole (21);
the distribution pipeline system (5), distribution pipeline system (5) include with three transition runner (41) three conveyer pipe (51) one-to-one, conveyer pipe (51) and the transition runner (41) that correspond communicate.
2. The head according to claim 1, characterized in that: the warm-pressing detection assembly (31) comprises a temperature sensor (311) and a pressure sensor (312), the temperature sensor (311) comprises a temperature sensing body and a temperature probe, the pressure sensor (312) comprises a pressure sensing body and a pressure probe, and the temperature probe and the pressure probe extend into the detection through hole (21) from different directions.
3. The head according to claim 2, characterized in that: the detection mounting base (2) is provided with first mounting holes which correspond to the three detection through holes (21) one by one, and the first mounting holes are in a conical threaded hole structure and are communicated with the corresponding detection through holes (21); the temperature sensing body is assembled in the first mounting hole in a threaded mode.
4. The head according to claim 1, characterized in that: one end of the conveying pipe (51) in the extending direction is provided with a connecting flange (511), and the other end of the conveying pipe (51) in the extending direction is provided with a clamping flange (512).
5. The head according to claim 1, characterized in that: and a first sealing ring (6) is arranged at the communication part of the conveying pipe (51) and the transition flow passage (41).
6. The head according to claim 1, characterized in that: be equipped with connecting piece (7) on pipeline mount pad (4), connecting piece (7) wear to locate to detect mount pad (2) in order to fix pipeline mount pad (4), detection mount pad (2) on galvanic pile (1).
7. The head according to claim 1, characterized in that: and a second sealing ring (8) is arranged at the communication position of the transition flow channel (41) and the detection through hole (21).
8. The head according to claim 1, characterized in that: the galvanic pile (1) comprises a galvanic pile body (11) and a galvanic pile vent plate (12), wherein three passages (121) which correspond to the three detection through holes (21) one by one are arranged on the galvanic pile vent plate (12); and a third sealing ring (9) is arranged at the communication part of the detection through hole (21) and the corresponding passage (121).
9. The head according to claim 1, characterized in that: the cross section of the transition flow channel (41) is gradually reduced towards the direction of the galvanic pile (1), the large opening end of the transition flow channel (41) is smoothly communicated with the conveying pipe (51), and the small opening end of the transition flow channel (41) is smoothly communicated with the detection through hole (21).
10. A fuel cell system characterized by: comprising a testing dispensing head for a galvanic pile according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022990092.6U CN212695197U (en) | 2020-12-11 | 2020-12-11 | Detection distribution head for electric pile and fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022990092.6U CN212695197U (en) | 2020-12-11 | 2020-12-11 | Detection distribution head for electric pile and fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212695197U true CN212695197U (en) | 2021-03-12 |
Family
ID=74885666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022990092.6U Active CN212695197U (en) | 2020-12-11 | 2020-12-11 | Detection distribution head for electric pile and fuel cell system |
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| Country | Link |
|---|---|
| CN (1) | CN212695197U (en) |
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- 2020-12-11 CN CN202022990092.6U patent/CN212695197U/en active Active
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