CN216850014U - Hydrogen circulating pump durability test device for fuel cell - Google Patents
Hydrogen circulating pump durability test device for fuel cell Download PDFInfo
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- CN216850014U CN216850014U CN202220465003.2U CN202220465003U CN216850014U CN 216850014 U CN216850014 U CN 216850014U CN 202220465003 U CN202220465003 U CN 202220465003U CN 216850014 U CN216850014 U CN 216850014U
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 239000001257 hydrogen Substances 0.000 title claims abstract description 83
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 83
- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 239000000446 fuel Substances 0.000 title claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 55
- 230000001276 controlling effect Effects 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 239000013618 particulate matter Substances 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 10
- 238000012795 verification Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution 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
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a hydrogen circulating pump durability test device for fuel cell belongs to fuel cell technical field, has solved the problem that prior art can't verify the durability of hydrogen circulating pump. The device comprises a gas inlet structure, a pressure selection unit, a multi-channel test unit and a gas outlet structure, wherein the gas inlet structure, the pressure selection unit, the multi-channel test unit and the gas outlet structure are sequentially connected, the pressure selection unit is used for outputting normal pressure gas or high pressure gas, and the multi-channel test unit is used for testing the durability of the hydrogen circulating pump to be tested through the normal pressure gas or the high pressure gas. The multi-channel testing unit comprises a multi-channel testing unit, a hydrogen circulating pump to be tested and regulation and control equipment for regulating and controlling the flow and pressure of input gas of the hydrogen circulating pump to be tested, wherein the channels of the multi-channel testing unit are mutually independent and are connected in parallel, and each channel is provided with the hydrogen circulating pump to be tested and the regulation and control equipment for regulating and controlling the flow and the pressure of the input gas of the hydrogen circulating pump to be tested. The hydrogen circulating pump is tested by the device, the verification time of durability is greatly accelerated, meanwhile, the development cost is effectively saved and the user experience is improved due to the fact that the whole fuel cell engine is not required to be verified and the real vehicle is not required to be carried and verified.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to a hydrogen circulating pump durability test device for fuel cell.
Background
The fuel cell is a device which generates water by electrochemical reaction of hydrogen and oxygen and outputs electric energy at the same time, has the advantages of high generating efficiency, small environmental pollution, high specific energy, low noise and the like, is widely concerned in the field of new energy resources, and has better application prospect in the field of automobiles.
The durability of the hydrogen circulation pump, which is a core component of the fuel cell, directly determines the performance of the fuel cell. At present, a test bench aiming at the durability verification of a hydrogen circulating pump does not exist, and the problem of urgently solving the development of the fuel cell industry at present is to provide a test bench specially used for verifying the durability of the hydrogen circulating pump.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing analysis, the embodiments of the present invention are directed to providing a durability test apparatus for a hydrogen circulation pump of a fuel cell, so as to solve the problem that the durability of the hydrogen circulation pump cannot be verified in the prior art.
On one hand, the embodiment of the utility model provides a hydrogen circulating pump durability test device for fuel cell, including controller and the inlet structure, pressure selection unit, multichannel test unit, the structure of giving vent to anger that connect gradually; wherein,
each channel of the multi-channel test unit is mutually independent and connected in parallel, and each channel is provided with a hydrogen circulating pump to be tested and a regulating and controlling device for regulating and controlling the flow and pressure of input gas of the hydrogen circulating pump to be tested.
The beneficial effects of the above technical scheme are as follows: in order to verify the durability of the hydrogen circulating pump to be tested, the durability test device for the hydrogen circulating pump of the fuel cell is provided, and important support can be provided for the durability test of the hydrogen circulating pump. The device is used for carrying out independent test verification on the hydrogen circulating pump to be tested, so that the verification time is greatly saved, and meanwhile, the development cost is greatly saved as the whole fuel cell engine is not required to be verified and the vehicle is carried and verified. And the durability of the hydrogen circulating pump to be tested is judged by results in a normal pressure mode and a high pressure mode, so that the design and development work of reverse support through tests is facilitated.
Based on further improvement of the device, the device further comprises a controller which is used for independently controlling the regulating and controlling equipment of each channel, acquiring test data of whether the hydrogen circulating pump to be tested of each channel is stuck or not and acquiring a result of whether the durability of the hydrogen circulating pump to be tested is qualified or not according to the test data of all the channels; and,
and the output end of the controller is respectively connected with the control end of the regulating and controlling equipment.
Further, the device also comprises an air filter used for controlling particles of the gas exhausted from the air inlet structure; wherein,
the input end of the air filter is connected with the exhaust end of the air inlet structure, and the output end of the air filter is connected with the air inlet end of the pressure selection unit.
Furthermore, the device also comprises a particulate matter sensor arranged on the inner wall of the pipeline at the output end of the air filter; wherein,
the output end of the particulate matter sensor is connected with the input end of the controller;
the controller is provided with a display screen, the display screen displays the particle numerical value collected by the particle sensor and judges whether the gas quality introduced into the pressure selection unit meets the set requirement according to the particle numerical value, and the durability of the hydrogen circulating pump to be detected is qualified.
Further, the controller comprises a data acquisition unit and a data processing unit which are connected in sequence.
Further, the data acquisition unit further comprises a pressure sensor; wherein,
the pressure sensors are respectively arranged on the inner walls of the gas inlet end and the gas outlet end of the hydrogen circulating pump to be tested on each channel of the multi-channel test unit; and the output ends of all the pressure sensors are connected with the input end of the data processing unit.
Further, the data acquisition unit also comprises a temperature sensor; wherein,
the temperature sensors are respectively arranged on the inner wall of the gas transmission pipeline at the input end of the pressure selection unit and on the inner wall of the gas outlet end pipeline of the hydrogen circulation pump to be tested on each channel of the multi-channel test unit.
Further, the pressure selection unit further comprises a high-pressure selection branch and a normal-pressure selection branch which are connected in parallel; wherein,
the high-pressure selection branch is provided with a first stop valve and a supercharger which are sequentially connected in series;
and a second stop valve is arranged on the normal pressure selection branch.
Furthermore, the regulating and controlling equipment on each channel of the multi-channel test unit comprises a stop valve and a current stabilizer which are connected in sequence; and,
and the stop valve and the flow stabilizer are connected in sequence and then connected with the air inlet end of the hydrogen circulating pump to be tested of the channel.
Furthermore, the regulating and controlling equipment on each channel of the multi-channel test unit also comprises a throttle valve; wherein,
the input end of the throttling valve is connected with the air outlet end of the hydrogen circulating pump to be detected on the channel, and the output end of the throttling valve is connected with the air inlet of the air outlet structure.
Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:
1. the hydrogen circulating pump is verified through the device, so that the verification time is greatly accelerated, and meanwhile, the development cost is saved as the complete machine of the fuel cell engine is not required to be verified and the vehicle is not required to be carried and verified.
2. The device branch of academic or vocational study provides multiple control mode and judges the test of the hydrogen circulating pump that awaits measuring, is favorable to through experimental reverse support design development work.
The summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary is not intended to identify key features or essential features of the disclosure, nor is it intended to limit the scope of the disclosure.
Drawings
The foregoing and other objects, features and advantages of the disclosure will be apparent from the following more particular descriptions of exemplary embodiments of the disclosure as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the disclosure.
FIG. 1 is a schematic view showing the composition of a hydrogen circulation pump durability test apparatus for a fuel cell according to example 1;
FIG. 2 is a schematic view showing the composition of a hydrogen circulation pump durability test apparatus for a fuel cell of example 2;
fig. 3 shows a schematic connection diagram of the hydrogen circulation pump durability test apparatus for a fuel cell of example 2.
Reference numerals are as follows:
1-a controller; 2-an air intake structure; 3-an air filter; 4-a particulate matter sensor; 51-a first temperature sensor; 52-second temperature sensor, 53-third temperature sensor; 61-a first shut-off valve; 62-a second stop valve; 63-a third stop valve; 64-a fourth stop valve; 71-a first current stabilizer; 72-a second current stabilizer; 81-a first pressure sensor; 82-a second pressure sensor; 83-a third pressure sensor; 84-a fourth pressure sensor; 91-a hydrogen circulation pump I to be tested; 92-a hydrogen circulating pump II to be tested; 101-a first throttle valve; 102-a second throttle valve; 11-a supercharger; 12-air outlet structure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The term "include" and variations thereof as used herein is meant to be inclusive in an open-ended manner, i.e., "including but not limited to". Unless specifically stated otherwise, the term "or" means "and/or". The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first," "second," and the like may refer to different or the same object. Other explicit and implicit definitions are also possible below.
A fuel cell is an electrochemical reaction device in which hydrogen and oxygen react in two half-electrodes to produce water, which converts chemical energy into electrical energy and, at the same time, into thermal energy with a loss of efficiency.
Example 1
One embodiment of the present invention discloses a durability test apparatus for a hydrogen circulation pump of a fuel cell, as shown in fig. 1, the apparatus includes an air inlet structure, a pressure selection unit for outputting normal pressure gas or high pressure gas, a multi-channel test unit for performing a durability test on the hydrogen circulation pump to be tested by the normal pressure gas or the high pressure gas, and an air outlet structure, which are sequentially connected.
Each channel of the multi-channel test unit is mutually independent and connected in parallel, and each channel is provided with a hydrogen circulating pump to be tested and a regulating and controlling device for regulating and controlling the flow and pressure of input gas of the hydrogen circulating pump to be tested.
And a gas inlet structure for inputting a gas, such as hydrogen or a substitute gas for hydrogen.
And the pressure selection unit is used for outputting gas with set pressure.
And the gas outlet structure is used for outputting gas.
It should be noted that there are many methods for testing durability, which can be continuously run for 10000h or accelerated test for 5000h to see if the circulating pump is stuck, as can be understood by those skilled in the art, and there is no program improvement involved.
Compared with the prior art, this embodiment provides a hydrogen circulating pump durability test device for fuel cell for verifying the durability of the hydrogen circulating pump that awaits measuring, can provide important support for its durability test. The device is used for carrying out independent test verification on the hydrogen circulating pump to be tested, so that the verification time is greatly saved, and meanwhile, the development cost is greatly saved as the whole fuel cell engine is not required to be verified and the vehicle is carried and verified. And the durability of the hydrogen circulating pump to be tested is judged by results in a normal pressure mode and a high pressure mode, so that the design and development work of reverse support through tests is facilitated.
Example 2
The improvement is carried out on the basis of the embodiment 1, and the shapes of the air inlet structure and the air outlet structure are both horn shapes. Wherein, the inlet end internal diameter of inlet structure is greater than its exhaust end internal diameter, and the inlet end sets up to up, and the inlet end internal diameter of the end of giving vent to anger of the structure of giving vent to anger is less than its exhaust end internal diameter, and the exhaust end sets up to the one side towards test device.
Preferably, the device further comprises a controller for independently controlling the regulating and controlling equipment of each channel, acquiring test data of whether the hydrogen circulation pump to be tested of each channel is stuck, and acquiring a result of whether the durability of the hydrogen circulation pump to be tested is qualified according to the test data of all channels. And the output end of the controller is respectively connected with the control end of the regulating and controlling equipment.
Preferably, the apparatus further comprises an air filter for particulate matter control of the gas discharged from the air intake structure. The input end of the air filter is connected with the exhaust end of the air inlet structure, and the output end of the air filter is connected with the air inlet end of the pressure selection unit.
Preferably, the device further comprises a particulate matter sensor arranged on the inner wall of the output end pipeline of the air filter. Wherein, the output of particulate matter sensor is connected with the input of controller.
Preferably, the controller has a display screen, and the display screen displays the particulate matter value collected by the particulate matter sensor and judges whether the gas quality introduced into the pressure selection unit meets the result of the set requirement or not according to the particulate matter value, and the result whether the durability of the hydrogen circulating pump to be tested is qualified or not.
Preferably, the controller comprises a data acquisition unit and a data processing unit which are connected in sequence.
Preferably, the data acquisition unit further comprises a pressure sensor and a temperature sensor.
The pressure sensors are respectively arranged on the inner walls of the gas inlet end and the gas outlet end of the hydrogen circulating pump to be tested on each channel of the multi-channel test unit; and the output ends of all the pressure sensors are connected with the input end of the data processing unit.
The temperature sensors are respectively arranged on the inner wall of the gas transmission pipeline at the input end of the pressure selection unit and on the inner wall of the gas outlet end pipeline of the hydrogen circulation pump to be tested on each channel of the multi-channel test unit.
Preferably, the pressure selection unit further comprises two branches of a high-pressure selection branch and a normal-pressure selection branch which are connected in parallel. The high-pressure selection branch is provided with a first stop valve and a supercharger which are sequentially connected in series; and a second stop valve is arranged on the normal pressure selection branch.
Preferably, the regulating and controlling device on each channel of the multi-channel test unit comprises a stop valve and a current stabilizer which are connected in sequence. And the stop valve and the flow stabilizer are connected in sequence and then connected with the air inlet end of the hydrogen circulating pump to be tested of the channel.
Preferably, the conditioning device on each channel of the multi-channel test unit further comprises a throttle valve. Wherein, the input of choke valve is connected with the end of giving vent to anger of the hydrogen circulating pump that awaits measuring on this passageway, and its output is connected with the air inlet of the structure of giving vent to anger.
For the structure shown in fig. 3, during operation, air enters through the air inlet structure 2 and is filtered through the air filter 3, the air quality of the filtered air can be checked when the filtered air passes through the particulate matter sensor 4 and is fed back to the controller 1, and if the air quality does not meet the requirement, the air filter 3 needs to be cleaned or replaced. Next, the gas is measured for temperature by the first temperature sensor 51 and then enters the pressure selection channel of the pressure selection unit, if the normal pressure test is used, the second cutoff valve 62 is opened, the gas flow directly enters each channel of the multi-channel test unit, if the high pressure test is used, the first cutoff valve 61 is opened, and the supercharger 11 starts operating so that the pressure before entering each channel of the multi-channel test unit reaches a specified value. The on-off of the two channels of the multi-channel test unit is controlled by a third stop valve 63 and a fourth stop valve 64 respectively, and one channel or two channels can be selected to be used simultaneously according to requirements. The two channels are respectively provided with a first flow stabilizer 71 and a second flow stabilizer 71, so that the gas entering the hydrogen circulating pumps 91 and 92 to be tested is stable. Then, the gas pressure before entering the hydrogen circulation pumps 91 and 92 to be measured is measured by the first pressure sensor 81 and the second pressure sensor 82, and then the gas pressure enters the first hydrogen circulation pump 91 and the second hydrogen circulation pump 92 respectively, and then the gas pressure passes through the first throttling valve 101 and the second throttling valve 102 respectively to control the pressure rise of the two channels (different pressure rises are selected according to different hydrogen circulation pumps to be measured). The gas pressure after pressurization of the two passages is measured after passing through the second temperature sensor 52 and the third temperature sensor 53 after the throttle valve, and then the gas pressure after pressurization is measured after passing through the third pressure sensor 83 and the fourth pressure sensor 84, and finally the gas is discharged through the exhaust port of the gas outlet structure 12.
Compared with embodiment 1, the device provided by the embodiment has the following beneficial effects:
1. the hydrogen circulating pump is verified through the device, so that the verification time is greatly accelerated, and meanwhile, the development cost is saved as the complete machine of the fuel cell engine is not required to be verified and the vehicle is not required to be carried and verified.
2. The device branch of academic or vocational study provides multiple control mode and judges the test of the hydrogen circulating pump that awaits measuring, is favorable to through experimental reverse support design development work.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles of the embodiments, the practical application, or improvements made to the prior art, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A hydrogen circulating pump durability test device for a fuel cell is characterized by comprising a gas inlet structure, a pressure selection unit, a multi-channel test unit and a gas outlet structure, wherein the gas inlet structure, the pressure selection unit, the multi-channel test unit and the gas outlet structure are sequentially connected; wherein,
each channel of the multi-channel test unit is mutually independent and connected in parallel, and each channel is provided with a hydrogen circulating pump to be tested and a regulating and controlling device for regulating and controlling the flow and pressure of input gas of the hydrogen circulating pump to be tested.
2. The hydrogen circulation pump durability test device for the fuel cell according to claim 1, further comprising a controller for independently controlling the regulating and controlling equipment of each channel, acquiring test data on whether the hydrogen circulation pump to be tested of each channel is stuck, and obtaining a result of whether the durability of the hydrogen circulation pump to be tested is qualified according to the test data of all channels; and,
and the output end of the controller is respectively connected with the control end of the regulating and controlling equipment.
3. The hydrogen circulation pump durability test device for a fuel cell according to claim 2, further comprising an air cleaner for performing particulate matter control on the gas discharged from the inside of the intake structure; wherein,
the input end of the air filter is connected with the exhaust end of the air inlet structure, and the output end of the air filter is connected with the air inlet end of the pressure selection unit.
4. The hydrogen circulation pump durability test device for a fuel cell according to claim 3, further comprising a particulate matter sensor provided on an inner wall of an output-side pipe of the air cleaner; and,
the output end of the particulate matter sensor is connected with the input end of the controller;
the controller is provided with a display screen, the particle numerical value collected by the particle sensor is displayed on the display screen, and whether the gas quality introduced into the pressure selection unit meets the set requirement or not is judged according to the particle numerical value, and whether the durability of the hydrogen circulating pump to be detected is qualified or not is judged.
5. The hydrogen circulation pump durability test device for a fuel cell according to any one of claims 2 to 4, wherein the controller includes a data acquisition unit and a data processing unit connected in sequence.
6. The hydrogen circulation pump durability test device for a fuel cell according to claim 5, wherein the data collection unit further includes a pressure sensor; wherein,
the pressure sensors are respectively arranged on the inner walls of the gas inlet end and the gas outlet end of the hydrogen circulating pump to be tested on each channel of the multi-channel test unit; and the output ends of all the pressure sensors are connected with the input end of the data processing unit.
7. The hydrogen circulation pump durability test device for a fuel cell according to claim 6, wherein the data acquisition unit further includes a temperature sensor; wherein,
the temperature sensors are respectively arranged on the inner wall of the gas transmission pipeline at the input end of the pressure selection unit and on the inner wall of the gas outlet end pipeline of the hydrogen circulation pump to be tested on each channel of the multi-channel test unit.
8. The hydrogen circulation pump durability test device for a fuel cell according to any one of claims 1 to 4, 6 to 7, wherein the pressure selection unit further comprises two branches of a high pressure selection branch and a normal pressure selection branch connected in parallel; wherein,
the high-pressure selection branch is provided with a first stop valve and a supercharger which are sequentially connected in series;
and a second stop valve is arranged on the normal pressure selection branch.
9. The hydrogen circulation pump durability test device for the fuel cell according to claim 8, wherein the regulating and controlling equipment on each channel of the multi-channel test unit comprises a stop valve and a current stabilizer which are connected in sequence; and,
and the stop valve and the flow stabilizer are connected in sequence and then connected with the air inlet end of the hydrogen circulating pump to be tested of the channel.
10. The hydrogen circulation pump durability test apparatus for a fuel cell according to claim 9, wherein the regulating device on each channel of the multi-channel test unit further comprises a throttle valve; wherein,
the input end of the throttling valve is connected with the air outlet end of the hydrogen circulating pump to be detected on the channel, and the output end of the throttling valve is connected with the air inlet of the air outlet structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220465003.2U CN216850014U (en) | 2022-03-05 | 2022-03-05 | Hydrogen circulating pump durability test device for fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220465003.2U CN216850014U (en) | 2022-03-05 | 2022-03-05 | Hydrogen circulating pump durability test device for fuel cell |
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| CN216850014U true CN216850014U (en) | 2022-06-28 |
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| CN202220465003.2U Active CN216850014U (en) | 2022-03-05 | 2022-03-05 | Hydrogen circulating pump durability test device for fuel cell |
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