CN212621408U - Fuel cell hydrogen test system - Google Patents
Fuel cell hydrogen test system Download PDFInfo
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- CN212621408U CN212621408U CN202021396479.2U CN202021396479U CN212621408U CN 212621408 U CN212621408 U CN 212621408U CN 202021396479 U CN202021396479 U CN 202021396479U CN 212621408 U CN212621408 U CN 212621408U
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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 fuel cell hydrogen test system, include: a flow control valve comprising a valve inlet and a valve outlet, the valve inlet adapted to communicate with a first hydrogen source; the ejector comprises a first ejector inlet, a second ejector inlet and an ejector outlet, the first ejector inlet is communicated with the valve outlet, and the second ejector inlet is suitable for being communicated with a second hydrogen source; the simulation galvanic pile comprises a galvanic pile inlet and a galvanic pile outlet, the galvanic pile inlet is communicated with the injection outlet, and the galvanic pile outlet exhausts outwards. Fuel cell hydrogen test system, can conveniently accomplish the demarcation of flow control valve, the ejector draws tests such as the verification of penetrating the effect.
Description
Technical Field
The utility model relates to a fuel cell tests technical field, in particular to fuel cell hydrogen test system.
Background
Among the correlation technique, the demand according to galvanic pile parameter and system design is different, and the hydrogen circulation has multiple design, and some systems contain two kinds of spare parts of hydrogen circulating pump and ejector, and some systems only have the hydrogen circulating pump, and some systems then only have the ejector, when the system contains more than two spare parts, still can have series connection and parallelly connected two kinds of linking modes.
The operation of hydrogen circulating pump system is more nimble stable, thereby can rely on the rotational speed of control pump to adjust and satisfy the demand of different powers, more has the commonality, but hydrogen circulating pump itself belongs to and consumes spare part, has energy loss.
The ejector is designed and simulated according to the current parameter requirements of the galvanic pile, the universality is general, but the ejector is a structural body, the energy consumption is avoided, and the design principle of energy conservation is better met.
However, the ejector is difficult to design, and the design process is complicated.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fuel cell hydrogen test system to conveniently accomplish tests such as the demarcation of flow control valve, the verification of ejector injection effect.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a fuel cell hydrogen testing system comprising: a flow control valve comprising a valve inlet and a valve outlet, the valve inlet adapted to communicate with a first hydrogen source; the ejector comprises a first ejector inlet, a second ejector inlet and an ejector outlet, the first ejector inlet is communicated with the valve outlet, and the second ejector inlet is suitable for being communicated with a second hydrogen source; the simulation galvanic pile comprises a galvanic pile inlet and a galvanic pile outlet, the galvanic pile inlet is communicated with the injection outlet, and the galvanic pile outlet exhausts outwards.
Compared with the prior art, the fuel cell hydrogen test system of the utility model has the following advantages:
fuel cell hydrogen test system, through introducing the simulation pile with hydrogen in first hydrogen source and the second hydrogen source to introduce the aperture that in-process flow control valve opened, and outwards discharge gaseous from the pile export, can simulate the hydrogen of true pile consumption and the gaseous condition of pile export. Therefore, the calibration of the flow control valve, the verification of the injection effect of the injector and other tests can be conveniently completed. In addition, the arrangement of the flow control valve can enable the inlet pressure of the electric pile to be maintained in a stable state, and therefore the operation stability of the testing system is improved.
In some embodiments, the fuel cell hydrogen testing system further comprises: the pressure sensor is arranged on the upstream side of the inlet of the galvanic pile of the simulation galvanic pile so as to obtain the pressure value of gas entering the simulation galvanic pile, and the pressure sensor is electrically connected with the flow control valve; and the controller is respectively electrically connected with the pressure sensor and the flow control valve so as to control the opening of the flow control valve according to the gas pressure value.
In some embodiments, the fuel cell hydrogen testing system further comprises: a first flow sensor provided on the stack outlet downstream side of the simulation stack to obtain a first gas flow value of the outward exhaust of the simulation stack.
In some embodiments, the fuel cell hydrogen testing system further comprises: and the second flow sensor is arranged on the upstream side of the second injection inlet of the injector to obtain a second gas flow value entering the simulated stack.
Specifically, the second flow sensor is connected in series between the second hydrogen source and the second injection inlet.
In some embodiments, the fuel cell hydrogen testing system further comprises: and the exhaust pipeline is communicated with the outlet of the electric pile.
In some embodiments, the fuel cell hydrogen testing system further comprises: and the third flow sensor is arranged on the upstream side of the first injection inlet of the injector to obtain a third gas flow value entering the simulated galvanic pile.
In some embodiments, the first hydrogen source comprises a first gas storage container in communication with the valve inlet.
In some embodiments, the second hydrogen source comprises a second gas reservoir in communication with the second motive inlet.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a fuel cell hydrogen testing system according to an embodiment of the present invention.
Description of reference numerals:
a fuel cell hydrogen test system 100,
A flow control valve 1, a first hydrogen source 2,
An ejector 3, a first ejector inlet 31, a second ejector inlet 32,
A second hydrogen source 4,
An analog electric pile 5, a second flow sensor 51,
Pressure sensor 6, exhaust pipe 7, manual on-off valve 8.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The fuel cell hydrogen test system 100 of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
According to the utility model discloses fuel cell hydrogen test system 100, include: flow control valve 1, ejector 3 and simulation pile 5. The flow control valve 1 comprises a valve inlet adapted to communicate with a first hydrogen source 2 and a valve outlet. The ejector 3 comprises a first ejector inlet 31, a second ejector inlet 32 and an ejector outlet, the first ejector inlet 31 is communicated with the valve outlet, and the second ejector inlet 32 is suitable for being communicated with the second hydrogen source 4. The simulation electric pile 5 comprises an electric pile inlet and an electric pile outlet, the electric pile inlet is communicated with the ejection outlet, and the electric pile outlet exhausts air outwards.
It can be understood that the hydrogen in the first hydrogen source 2 can enter the ejector 3 and the simulation stack 5 from the first ejector inlet 31 in sequence through the flow control valve 1. The second hydrogen source 4 can also introduce hydrogen, and the hydrogen enters the ejector 3 through the second injection inlet 32, and can be mixed with the gas flowing into the ejector 3 through the first injection inlet and then enters the simulation electric pile 5.
The gas entering the simulation electric pile 5 can be discharged from the outlet of the electric pile, and the part of gas can simulate the hydrogen consumed by the real electric pile and the gas condition at the outlet of the electric pile. Therefore, hydrogen circulation test can be carried out, and tests such as calibration of the flow control valve 1, verification of the injection effect of the injector 3 and the like can be completed.
In addition, the opening degree of the flow control valve 1 is adjusted, so that the inlet pressure of the galvanic pile can be maintained in a stable state, and the operation stability of the test system is improved.
According to the utility model discloses fuel cell hydrogen test system 100 is through introducing the hydrogen in first hydrogen source 2 and the second hydrogen source 4 simulation galvanic pile 5 to introduce the aperture that in-process flow control valve 1 was opened, and outwards discharge gaseous from the galvanic pile export, can simulate the hydrogen of true galvanic pile consumption and the gaseous condition of galvanic pile export. Therefore, the calibration of the flow control valve 1, the verification of the injection effect of the injector 3 and other tests can be conveniently completed. In addition, the flow control valve 1 can maintain the inlet pressure of the electric pile in a stable state, so that the operation stability of the test system is improved.
In some embodiments, the fuel cell hydrogen testing system 100 further comprises: a pressure sensor 6 and a controller. The pressure sensor 6 is provided on the stack inlet upstream side of the simulation stack 5 to obtain a value of the gas pressure entering the simulation stack 5, and the pressure sensor 6 is electrically connected to the flow control valve 1. The controller is electrically connected to the pressure sensor 6 and the flow control valve, respectively, to control the opening degree of the flow control valve 1 according to the gas pressure value. It can be understood that by providing the pressure sensor 6, the gas pressure upstream of the stack inlet of the simulation stack 5 can be fed back, and by the control of the controller, the opening degree of the flow control valve 1 can be continuously adjusted, thereby maintaining the stack inlet pressure in a stable state. Here, the pressure sensor 6 has the characteristics of reliable operation, stable performance, and the like, so that the operation stability of the fuel cell hydrogen test system 100 can be improved.
In some embodiments, the fuel cell hydrogen testing system 100 further comprises: and a first flow sensor provided on the stack outlet downstream side of the simulation stack 5 to obtain a first gas flow value simulating the outward exhaust of the stack 5. Therefore, the first gas flow discharged by the simulation electric pile 5 can be monitored in real time conveniently, and the controllability, the safety and the accuracy of the test system are improved.
Optionally, the fuel cell hydrogen testing system 100 further comprises: the manual on-off valve 8, the manual on-off valve 8 is provided on the downstream side of the stack outlet of the simulation stack 5, so that the outward exhaustion of the simulation stack 5 can be easily controlled manually.
In some embodiments, the fuel cell hydrogen testing system 100 further comprises: and a second flow sensor 51, the second flow sensor 51 being provided on the upstream side of the second ejector inlet 32 of the ejector 3 to obtain a second gas flow value into the mock cell stack 5. Therefore, the flow of the second gas entering the simulation electric pile 5 can be monitored in real time conveniently, and the controllability, the safety and the accuracy of the test system are improved.
Specifically, the second flow sensor is connected in series between the second hydrogen source 4 and the second injection inlet 32. Thereby making the detection of the second flow sensor 51 more accurate and sensitive.
In some embodiments, the fuel cell hydrogen testing system 100 further comprises: and the exhaust pipeline 7 is communicated with the outlet of the electric pile. It can be understood that the exhaust pipe 7 is provided to guide the flow of the gas and improve the exhaust safety of the fuel cell hydrogen testing system 100.
In some embodiments, the fuel cell hydrogen testing system 100 further comprises: and the third flow sensor is arranged on the upstream side of the first injection inlet 31 of the injector 3 to obtain a third gas flow value entering the simulation electric pile 5. Therefore, the third gas flow entering the simulation electric pile 5 can be monitored in real time conveniently, and the controllability, safety and accuracy of the test system are improved.
In some embodiments, the first hydrogen source 2 comprises a first gas storage container in communication with the valve inlet. Therefore, the storage safety of the hydrogen can be improved, and the operation safety of the fuel cell hydrogen testing system 100 can be improved.
In some embodiments, the second hydrogen source 4 comprises a second gas reservoir in communication with the second motive inlet 32. Therefore, the storage safety of the hydrogen can be improved, and the operation safety of the fuel cell hydrogen testing system 100 can be improved.
A fuel cell hydrogen test system 100 according to an embodiment of the present invention will be described in detail with reference to the drawings.
According to the utility model discloses fuel cell hydrogen test system 100, include: the device comprises a flow control valve 1, an ejector 3, an analog electric pile 5, a pressure sensor 6, a controller, a first flow sensor, a second flow sensor, an exhaust pipeline 7 and a third flow sensor.
The flow control valve 1 comprises a valve inlet adapted to communicate with a first hydrogen source 2 and a valve outlet.
The ejector 3 comprises a first ejector inlet 31, a second ejector inlet 32 and an ejector outlet, the first ejector inlet 31 is communicated with the valve outlet, and the second ejector inlet 32 is suitable for being communicated with the second hydrogen source 4.
The simulated stack 5 includes a stack inlet and a stack outlet, which is vented to the outside.
The pressure sensor 6 is provided on the stack inlet upstream side of the simulation stack 5 to obtain a value of the gas pressure entering the simulation stack 5, and the pressure sensor 6 is electrically connected to the flow control valve 1.
The controller is electrically connected to the pressure sensor 6 and the flow control valve, respectively, to control the opening degree of the flow control valve 1 according to the gas pressure value.
The first flow sensor is provided on the stack outlet downstream side of the simulation stack 5 to obtain a first gas flow value simulating the outward exhaust of the stack 5.
The second flow sensor 51 is provided on the upstream side of the second jet inlet 32 of the ejector 3 to obtain a second gas flow value into the mock cell stack 5. The second flow sensor 51 is connected in series between the second hydrogen source 4 and the second ejector inlet 32.
The exhaust pipeline 7 is communicated with the outlet of the electric pile.
The third flow sensor is provided on the upstream side of the first injection inlet 31 of the injector 3 to obtain a third gas flow value into the mock cell stack 5.
The experimental procedure of the fuel cell hydrogen test system according to one embodiment of the present invention will be described in detail with reference to the accompanying drawings.
S1, setting the pressure at the inlet of the stack of the simulation stack 5 to obtain the preset pressure range P. This allows the pressure at the inlet of the stack to be maintained within a range and accurately regulated, where the pressure can vary as the system power analog varies.
And S2, setting the flow value at the outlet of the pile of the simulation pile 5 to obtain a preset flow value L1.
And S3, the system is operated to a steady state, and a flow value L2 at the second injection inlet 32 is obtained and recorded.
Therefore, the calibration of the flow control valve 1, the verification of the injection effect of the injector 3 and other tests can be conveniently and accurately completed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A fuel cell hydrogen testing system, comprising:
a flow control valve comprising a valve inlet and a valve outlet, the valve inlet adapted to communicate with a first hydrogen source;
the ejector comprises a first ejector inlet, a second ejector inlet and an ejector outlet, the first ejector inlet is communicated with the valve outlet, and the second ejector inlet is suitable for being communicated with a second hydrogen source;
the simulation galvanic pile comprises a galvanic pile inlet and a galvanic pile outlet, the galvanic pile inlet is communicated with the injection outlet, and the galvanic pile outlet exhausts outwards.
2. The fuel cell hydrogen testing system of claim 1, further comprising:
the pressure sensor is arranged on the upstream side of the inlet of the galvanic pile of the simulation galvanic pile so as to obtain the pressure value of gas entering the simulation galvanic pile, and the pressure sensor is electrically connected with the flow control valve;
and the controller is respectively electrically connected with the pressure sensor and the flow control valve so as to control the opening of the flow control valve according to the gas pressure value.
3. The fuel cell hydrogen testing system of claim 1, further comprising:
a first flow sensor provided on the stack outlet downstream side of the simulation stack to obtain a first gas flow value of the outward exhaust of the simulation stack.
4. The fuel cell hydrogen testing system of claim 1, further comprising:
and the second flow sensor is arranged on the upstream side of the second injection inlet of the injector to obtain a second gas flow value entering the simulated stack.
5. The fuel cell hydrogen testing system of claim 4, wherein the second flow sensor is connected in series between the second hydrogen source and the second bleed inlet.
6. The fuel cell hydrogen testing system of claim 1, further comprising: and the exhaust pipeline is communicated with the outlet of the electric pile.
7. The fuel cell hydrogen testing system of claim 1, further comprising:
and the third flow sensor is arranged on the upstream side of the first injection inlet of the injector to obtain a third gas flow value entering the simulated galvanic pile.
8. The fuel cell hydrogen testing system of claim 1, wherein the first hydrogen source comprises a first gas storage container in communication with the valve inlet.
9. The fuel cell hydrogen testing system of claim 1, wherein the second hydrogen source comprises a second gas reservoir in communication with the second bleed inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396479.2U CN212621408U (en) | 2020-07-15 | 2020-07-15 | Fuel cell hydrogen test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396479.2U CN212621408U (en) | 2020-07-15 | 2020-07-15 | Fuel cell hydrogen test system |
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| CN212621408U true CN212621408U (en) | 2021-02-26 |
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| CN202021396479.2U Active CN212621408U (en) | 2020-07-15 | 2020-07-15 | Fuel cell hydrogen test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903957A (en) * | 2021-09-29 | 2022-01-07 | 山东国创燃料电池技术创新中心有限公司 | Pile hydrogen circulation simulation device and simulation method thereof |
| CN114354162A (en) * | 2021-12-29 | 2022-04-15 | 新源动力股份有限公司 | System and method for testing hydrogen system sub-component for fuel cell system |
| CN115064728A (en) * | 2022-07-11 | 2022-09-16 | 山东华清动力科技有限公司 | Hydrogen circulating device for fuel cell |
-
2020
- 2020-07-15 CN CN202021396479.2U patent/CN212621408U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903957A (en) * | 2021-09-29 | 2022-01-07 | 山东国创燃料电池技术创新中心有限公司 | Pile hydrogen circulation simulation device and simulation method thereof |
| CN114354162A (en) * | 2021-12-29 | 2022-04-15 | 新源动力股份有限公司 | System and method for testing hydrogen system sub-component for fuel cell system |
| CN115064728A (en) * | 2022-07-11 | 2022-09-16 | 山东华清动力科技有限公司 | Hydrogen circulating device for fuel cell |
| CN115064728B (en) * | 2022-07-11 | 2024-02-23 | 山东华清动力科技有限公司 | Hydrogen circulation device for fuel cell |
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