Ice swallowing test device of air compressor

Abstract

The utility model discloses an air compressor ice swallowing test device, the air compressor ice swallowing test device is used for carrying out an ice swallowing test on an air compressor, the air compressor ice swallowing test device comprises an intercooler connected between a pressure end of the air compressor and an expansion end of the air compressor; the ice throwing assembly is arranged between the intercooler and the expansion end of the air compressor, the ice throwing assembly comprises a baffle and an ice bucket, the baffle is arranged on the ice bucket, and the baffle selectively communicates with the ice bucket and the expansion end. The ice throwing assembly can throw ice bombs to the expansion end of the air compressor, and the ice bomb impact resistance of a turbine of the air compressor is tested.

Description

Technical Field

[0001] This utility model relates to the field of fuel cell air compressor testing technology, and in particular to an air compressor ice swallowing test device. Background Technology

[0002] The exhaust gas from fuel cells contains liquid water, and there is a risk of water accumulation in areas such as the inner walls of pipelines and dead corners of back pressure valves after shutdown and purging. In low-temperature environments, any liquid water that has not been completely purged will condense into ice layers or ice bombs. When the fuel cell is restarted next time, the ice layers or ice bombs will break off under the action of vibration and air blowing, and impact the turbine blades of the air compressor that are rotating at high speed, causing turbine deformation and affecting the performance of the expansion end and the dynamic balance value.

[0003] Therefore, the air compressor turbine's resistance to ice impact is one of the key factors affecting the air compressor's durability. Before an air compressor is finalized, it needs to undergo a specialized ice-ingestion test of the air compressor turbine to verify its performance. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an ice-throwing test device for an air compressor, wherein the ice-throwing component can throw ice bullets at the expansion end of the air compressor to test the air compressor's turbine's ability to withstand the impact of ice bullets.

[0005] According to an embodiment of the present invention, an air compressor ice-ingestion test device is used to conduct an ice-ingestion test on an air compressor. The air compressor ice-ingestion test device includes: an intercooler connected between the pressure end and the expansion end of the air compressor; and an ice-throwing assembly disposed between the intercooler and the expansion end of the air compressor. The ice-throwing assembly includes: a baffle and an ice bucket, the baffle being disposed in the ice bucket and selectively connecting the ice bucket and the expansion end.

[0006] According to the air compressor ice-throwing test device of this utility model embodiment, the ice-throwing component can throw ice bullets at the expansion end of the air compressor to test the air compressor turbine's ability to withstand the impact of ice bullets.

[0007] According to some embodiments of the present invention, the ice-feeding assembly includes: a driving member, the baffle being connected to the driving member in a transmission manner, and the driving member driving the baffle to selectively connect the ice bucket and the expansion end.

[0008] According to some embodiments of the present invention, the ice bucket is provided with an ice inlet, the baffle is connected to the ice inlet, and the baffle selectively connects the ice inlet and the expansion end.

[0009] According to some embodiments of the present invention, the air compressor ice-ingestion test device further includes: a transparent tube, one end of which is connected to the intercooler and the ice-throwing assembly, and the other end of which is connected to the air inlet of the expansion end.

[0010] According to some embodiments of the present invention, the air compressor ice-swallowing test device further includes: a camera assembly, which is disposed opposite to the transparent tube, and is used to photograph the transparent tube and acquire images.

[0011] According to some embodiments of the present invention, the air compressor ice ingestion test device includes: an air filter and a first air intake detection component, wherein the first air intake detection component is connected between the air filter and the air intake end of the pressure end, and is used to detect the flow rate, pressure and temperature of the air intake gas at the pressure end.

[0012] According to some embodiments of the present invention, the air compressor ice-swallowing test device further includes: a first outlet gas detection component, which is connected to the outlet end of the pressure end and is used to detect the pressure and temperature of the outlet gas at the pressure end.

[0013] According to some embodiments of the present invention, the air compressor ice swallowing test device further includes: a second air intake detection component, which is connected to the air intake end of the expansion end, and is used to detect the pressure and temperature of the air intake gas at the expansion end.

[0014] According to some embodiments of the present invention, the air compressor ice swallowing test device further includes: a second outlet gas detection component, which is connected to the outlet end of the expansion end, and is used to detect the pressure and temperature of the outlet gas at the expansion end.

[0015] According to some embodiments of the present invention, the air compressor ice-throwing test device further includes: a test controller, which is communicatively connected to the air compressor controller and electrically connected to the ice-throwing component.

[0016] Additional aspects and advantages of this invention 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 invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram of the structure of the air compressor ice-swallowing test device according to an embodiment of the present utility model.

[0019] Figure label:

[0020] 10. Air compressor ice-ingestion test device; 11. Intercooler; 111. Test controller; 112. Host computer; 12. Ice-throwing assembly; 13. Transparent tube; 14. Camera assembly; 15. Air filter; 16. First intake detection assembly; 161. First air flow sensor; 162. First temperature sensor; 163. First pressure sensor; 17. First exhaust detection assembly; 171. Second temperature sensor; 172. Second pressure sensor; 173. First back pressure valve; 18. Second intake detection assembly; 181. Third temperature sensor; 182. Third pressure sensor; 19. Second exhaust detection assembly; 191. Fourth temperature sensor; 192. Fourth pressure sensor; 193. Second back pressure valve;

[0021] 20. Air compressor; 21. Pressure end; 22. Expansion end; 23. Air compressor controller; Detailed Implementation

[0022] The embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention are described in detail below.

[0023] The air compressor 20 with expansion end 22 can recover energy from the fuel cell exhaust gas, thereby reducing the power consumption of the air compressor 20 and improving the efficiency of the fuel cell system. The fuel cell exhaust gas contains liquid water, and there is still a risk of water accumulation in the inner walls of the pipelines and dead corners of the back pressure valve after shutdown and purging. In low-temperature environments, the liquid water that has not been completely purged will condense into ice layers or ice bombs. When the fuel cell starts up again, the ice layers or ice bombs will break off under the action of vibration and air blowing, impacting the turbine blades of the air compressor 20 which are rotating at high speed, causing turbine deformation and affecting the performance and dynamic balance value of the expansion end 22.

[0024] Therefore, the resistance of the turbine of air compressor 20 to ice bomb impact is one of the key factors affecting the durability of air compressor 20.

[0025] The following is for reference. Figure 1 Description of the air compressor ice swallowing test device 10 according to an embodiment of the present utility model.

[0026] According to an embodiment of the present invention, an air compressor ice-ingestion test device 10 is used to conduct an ice-ingestion test on an air compressor 20. The air compressor ice-ingestion test device 10 includes an intercooler 11 and an ice-throwing assembly 12. The intercooler 11 is connected between the pressure end 21 and the expansion end 22 of the air compressor 20. The intercooler 11 can be connected to a cooling tower, thereby using the coolant cooled by the cooling tower to cool the outlet gas at the pressure end 21, and thus control the inlet gas temperature at the expansion end 22.

[0027] The ice-throwing component 12 is used to throw ice bullets into the expansion end 22. After entering the expansion end 22, the ice bullets collide with the high-speed rotating turbine blades of the air compressor 20 to test the air compressor 20's turbine's ability to withstand the impact of the ice bullets.

[0028] In some embodiments, the ice-throwing assembly 12 includes a baffle and an ice bucket. The baffle is disposed in the ice bucket and selectively connects the ice bucket to the expansion end 22. Specifically, the ice bucket may contain ice pellets. The baffle is connected to the ice bucket and has an open state and a closed state. When the baffle is switched to the closed state, the ice bucket and the expansion end 22 are not connected, and the ice pellets in the ice bucket cannot enter the expansion end 22. When an ice-throwing experiment is required for the air compressor 20, the baffle is switched to the open state, and the ice bucket and the expansion end 22 are connected. Then, the ice pellets in the ice bucket can enter the expansion end 22. After entering the expansion end 22, the ice pellets collide with the high-speed rotating turbine blades of the air compressor 20 to test the air compressor 20's turbine's ability to withstand the impact of ice pellets.

[0029] Therefore, the air compressor ice-throwing test device 10 of this utility model, the ice-throwing component 12 can throw ice bullets onto the expansion end 22 of the air compressor 20 to test the air compressor 20's turbine's ability to withstand the impact of ice bullets.

[0030] In some embodiments, the size of the ice bullet is A, where A ≤ 10 mm, and the number of ice bullets can be 3-6. The diameter of the transparent tube 13 is between 70 mm and 80 mm to ensure that the ice bullets do not block the transparent tube 13 and other pipes.

[0031] Furthermore, the ice-dispensing assembly 12 includes a driving component, a baffle connected to the driving component, and the driving component driving the baffle to selectively connect the ice bucket and the expansion end 22. Specifically, the driving component can drive the baffle to move to an open or closed state.

[0032] Furthermore, the ice bucket is equipped with an ice inlet, and a baffle is connected to the ice inlet, selectively connecting the ice inlet and the expansion end 22. Specifically, the baffle can open or close the ice inlet. When the baffle covers the ice inlet, the ice inlet and the expansion end 22 are not connected, and ice pellets cannot enter the expansion end 22; when the baffle is open, the ice inlet and the expansion end 22 are connected, and ice pellets in the ice bucket can enter the expansion end 22 from the ice inlet, thereby testing the air compressor 20 turbine's ability to withstand ice pellet impact.

[0033] In some embodiments, the baffle can be rotatably connected to the inner wall of the ice bucket. The baffle can be rotated to a vertical or horizontal state. When the baffle is rotated to the vertical state, the ice inlet is connected to the expansion end 22, and the ice pellets in the ice bucket can enter the expansion end 22 from the ice inlet, thereby testing the ability of the air compressor 20 turbine to withstand the impact of the ice pellets. When the baffle is rotated to the horizontal state, the baffle closes the ice inlet, the ice inlet is not connected to the expansion end 22, and the ice pellets cannot enter the expansion end 22.

[0034] like Figure 1 As shown, the air compressor ice-ingestion test device 10 also includes a transparent tube 13. One end of the transparent tube 13 is connected to the intercooler 11 and the ice-throwing assembly 12, and the other end of the transparent tube 13 is connected to the air inlet of the expansion end 22. Specifically, the transparent tube 13 is connected between the intercooler 11 and the air inlet of the expansion end 22. The transparent tube 13 is transparent, and the ice pellets first enter the transparent tube 13 after they come out of the ice bucket. The operator can observe the state and quantity of the ice pellets before they enter the expansion end 22 through the transparent tube 13.

[0035] The transparent tube 13 can be made of transparent plastic, such as polymethyl methacrylate (PMMA, commonly known as acrylic or plexiglass), polycarbonate (PC), polyethylene terephthalate (PET), polypropylene (PP), polyvinyl chloride (PVC), thermoplastic polyurethane elastomer rubber (TPU), polystyrene (PS), polysulfone (PSF), transparent nylon, etc.

[0036] In some embodiments, the air compressor ice-ingestion test device 10 further includes: a three-way pipe, one end of the transparent pipe 13 is connected to the intercooler 11 and the ice-throwing component 12 through the three-way pipe, one end of the three-way pipe is connected to one end of the transparent pipe 13, the other end of the three-way pipe is connected to the intercooler 11, and the other end of the three-way pipe is connected to the ice-throwing component 12.

[0037] Furthermore, the air compressor ice ingestion test device 10 also includes a camera assembly 14, which is disposed opposite to the transparent tube 13. The camera assembly 14 is used to photograph the transparent tube 13 and acquire images. Specifically, the air compressor ice ingestion test device 10 may include a test controller 111, which is electrically connected to the camera assembly 14 and controls the camera assembly 14 to photograph the transparent tube 13. After acquiring the image, the camera assembly 14 transmits it to the test controller 111.

[0038] The air compressor 20 includes an air compressor controller 23 and a host computer 112. The test controller 111 can communicate with the intercooler 11, the air compressor controller 23, and the host computer 112, and can control the working status of the intercooler 11 and the air compressor 20 under test.

[0039] In some embodiments, the operator can preset a target speed and a target time. After the air compressor 20 reaches the target speed and continues for the target time, the test controller 111 can open the baffle, and the ice bucket will be connected to the expansion end 22 to throw ice bullets into the turbine of the air compressor 20 to test the air compressor 20's ability to withstand the impact of ice bullets when it is running at high speed.

[0040] Therefore, the air compressor ice-ingestion test device 10 can control the operating status of the air compressor 20, and even release ice bombs in a timely and quantitative manner, thus solving the problem of testing the air compressor 20 turbine's resistance to ice bomb impact.

[0041] according to Figure 1 As shown, the air compressor ice ingestion test device 10 includes an air filter 15 and a first intake detection component 16. The first intake detection component 16 is connected between the air filter 15 and the intake end of the pressure end 21, and is used to detect the flow rate, pressure, and temperature of the intake gas at the pressure end 21. Specifically, the first intake detection component 16 may include a first air flow sensor 161, a first temperature sensor 162, and a first pressure sensor 163. The first air flow sensor 161 is used to detect the flow rate of the intake gas at the pressure end 21, the first temperature sensor 162 is used to detect the temperature of the intake gas at the pressure end 21, and the first pressure sensor 163 is used to detect the pressure of the intake gas at the pressure end 21.

[0042] The first intake detection component 16 is electrically connected to the test controller 111. It detects the flow rate, pressure, and temperature data of the intake gas at pressure end 21 and sends this data to the test controller 111, enabling the test controller 111 to acquire relevant detection data of the intake gas that has not been processed by the air compressor 20. The test controller 111 is electrically connected to the first outlet detection component 17. It receives the pressure and temperature data of the outlet gas at pressure end 21 detected by the first outlet detection component 17 and controls the flow rate of the outlet gas at pressure end 21 through the first outlet detection component 17. The test controller 111 can adjust the flow rate of the outlet gas at pressure end 21 and acquire corresponding performance test data of the air compressor under test 20. This allows for the collection of performance test data of the air compressor under test 20 under different conditions, improving the accuracy and reliability of the test data and meeting the actual needs of users. The host computer 112 can obtain the corresponding performance data curve of the air compressor under test 20 through the above data for subsequent analysis and processing.

[0043] According to some embodiments of this utility model, the air compressor ice ingestion test device 10 further includes: a first outlet gas detection component 17, which is connected to the outlet end of the pressure end 21 and is used to detect the pressure and temperature of the outlet gas of the pressure end 21. The first outlet gas detection component 17 may include: a second temperature sensor 171 and a second pressure sensor 172, whereby the second temperature sensor 171 is used to detect the temperature of the outlet gas of the pressure end 21, and the second pressure sensor 172 is used to detect the pressure of the outlet gas of the pressure end 21.

[0044] According to some embodiments of the present invention, the air compressor ice ingestion test device 10 further includes: a second air intake detection component 18, which is connected to the air intake end of the expansion end 22, and is used to detect the pressure and temperature of the intake gas at the expansion end 22. The second air intake detection component 18 may include: a third temperature sensor 181 and a third pressure sensor 182, whereby the third temperature sensor 181 is used to detect the temperature of the intake gas at the expansion end 22, and the third pressure sensor 182 is used to detect the pressure of the intake gas at the expansion end 22.

[0045] According to some embodiments of this utility model, the air compressor ice ingestion test device 10 further includes: a second outlet gas detection component 19, which is connected to the outlet end of the expansion end 22, and is used to detect the pressure and temperature of the outlet gas at the expansion end 22. Specifically, the second outlet gas detection component 19 may include: a fourth temperature sensor 191 and a fourth pressure sensor 192, whereby the fourth temperature sensor 191 is used to detect the temperature of the outlet gas at the expansion end 22, and the fourth pressure sensor 192 is used to detect the pressure of the outlet gas at the expansion end 22.

[0046] The second intake detection component 18 is electrically connected to the test controller 111. It detects the flow rate, pressure, and temperature data of the intake gas at the expansion end 22 and sends this data to the test controller 111, enabling the test controller 111 to acquire relevant detection data of the intake gas at the expansion end 22. The test controller 111 is electrically connected to the second outlet detection component 19. It receives the pressure and temperature data of the outlet gas at the expansion end 22 detected by the second outlet detection component 19 and controls the flow rate of the outlet gas at the expansion end 22 through the second outlet detection component 19. The test controller 111 can adjust the flow rate of the outlet gas at the expansion end 22 and acquire corresponding performance test data of the air compressor under test 20. This allows for the collection of performance test data of the air compressor under test 20 under different conditions, improving the accuracy and reliability of the test data and meeting the actual needs of users. The host computer 112 can obtain the corresponding performance data curve of the air compressor under test 20 through the above data for subsequent analysis and processing.

[0047] According to some embodiments of the present invention, the air compressor ice-swallowing test device 10 further includes: a first back pressure valve 173 and a second back pressure valve 193. The first back pressure valve 173 is disposed between the outlet end of the pressure end 21 and the intercooler 11, and the pressure at the outlet end of the pressure end 21 is adjusted by adjusting the opening size. The second back pressure valve 193 is disposed at the outlet end of the expansion end 22, and the pressure at the outlet end of the expansion end 22 is adjusted by adjusting the opening size.

[0048] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0049] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0050] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air compressor ice ingestion test device (10) for conducting an ice ingestion test on an air compressor (20), characterized in that, The air compressor ice-swallowing test device (10) includes: Intercooler (11) is connected between the pressure end (21) of the air compressor (20) and the expansion end (22) of the air compressor (20); An ice-feeding assembly (12) is disposed between the intercooler (11) and the expansion end (22) of the air compressor (20). The ice-feeding assembly (12) includes a baffle and an ice bucket. The baffle is disposed on the ice bucket and selectively connects the ice bucket and the expansion end (22).

2. The air compressor ice-swallowing test device according to claim 1, characterized in that, The ice-throwing assembly (12) includes: a driving member, the baffle being connected to the driving member in a transmission manner, and the driving member driving the baffle to selectively connect the ice bucket and the expansion end (22).

3. The air compressor ice-swallowing test device according to claim 1, characterized in that, The ice bucket is provided with an ice inlet, and the baffle is connected to the ice inlet. The baffle selectively connects the ice inlet and the expansion end (22).

4. The air compressor ice-swallowing test device according to claim 1, characterized in that, Also includes: A transparent tube (13) is provided, one end of which is connected to the intercooler (11) and the ice-throwing assembly (12), and the other end of which is connected to the air inlet of the expansion end (22).

5. The air compressor ice-swallowing test device according to claim 4, characterized in that, Also includes: A camera assembly (14) is disposed opposite to the transparent tube (13) and is used to photograph the transparent tube (13) and acquire an image.

6. The air compressor ice-swallowing test device according to claim 1, characterized in that, include: An air filter (15) and a first intake detection component (16) are connected between the air filter (15) and the intake end of the pressure end (21) for detecting the flow rate, pressure and temperature of the intake gas of the pressure end (21).

7. The air compressor ice-swallowing test device according to claim 6, characterized in that, Also includes: The first gas outlet detection component (17) is connected to the gas outlet end of the pressure end (21) and is used to detect the pressure and temperature of the gas outlet of the pressure end (21).

8. The air compressor ice-swallowing test device according to claim 1, characterized in that, Also includes: The second intake detection component (18) is connected to the intake end of the expansion end (22) and is used to detect the pressure and temperature of the intake gas at the expansion end (22).

9. The air compressor ice-swallowing test device according to claim 8, characterized in that, Also includes: The second gas outlet detection component (19) is connected to the gas outlet of the expansion end (22) and is used to detect the pressure and temperature of the gas outlet of the expansion end (22).

10. The air compressor ice-swallowing test device according to claim 1, characterized in that, Also includes: Test controller (111), which is communicatively connected to air compressor controller (23) and electrically connected to ice-throwing component (12).

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