CN216447089U

CN216447089U - Test bench for air compressor

Info

Publication number: CN216447089U
Application number: CN202121980347.9U
Authority: CN
Inventors: 周向阳; 冯强; 余卓平; 江正寒; 潘相敏; 陈佳逸; 崔明杰; 朱皓民; 张若婧; 杨秦泰; 任海平
Original assignee: Shanghai Is Energy Technology Co ltd; Shanghai Intelligent New Energy Vehicle Technology Innovation Platform Co ltd
Current assignee: Shanghai Is Energy Technology Co ltd; Shanghai Intelligent New Energy Vehicle Technology Innovation Platform Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-05-06
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to a test bench for an air compressor, which comprises an air inlet module, an air outlet module, a main bench and test equipment, wherein the air compressor is arranged on one side of the main bench, the main bench is of a box body structure, and the test equipment is arranged in the main bench; the air inlet module comprises an air filter, an air inlet pipeline and a steering pipeline, a horizontal rail unit is arranged on the top surface of the main rack, and the air inlet pipeline and the air filter are connected with the rail unit through a sliding support piece; the air outlet module comprises an air outlet pipeline and a back pressure valve arranged on the air outlet pipeline, one end of the air outlet pipeline is connected with the testing equipment, and the other end of the air outlet pipeline extends out of the main rack and is connected with an air outlet of the air compressor. Compared with the prior art, the utility model has the advantages of compact structure, small occupied space and convenient test operation; the connecting device is suitable for connecting and fixing air compressor pump heads of different types, and has the advantages of working efficiency and the like.

Description

Test bench for air compressor

Technical Field

The utility model relates to the technical field of air compressors, in particular to a test bench for an air compressor.

Background

An air compressor, which is an air compressor for short, is a device for boosting and supplying air, and has wide application in industry. In the field of fuel cells, air compressors are used to provide an appropriate amount of oxygen/air at an appropriate pressure to the fuel cell stack. In engineering application, except for a fuel cell stack, an air compressor is the most central key part in a domestic fuel cell system and is the bottleneck to be solved most. At present, the commonly used air compressors for fuel cells mainly comprise centrifugal type, roots type, screw type, vortex type, piston type and sliding sheet type. Various air compressors have different specifications and various structures. Which type of air compressor machine is more suitable for fuel cell, need verify its in the characteristics and the reliability of variable operating mode, cold start, vibration, start-stop etc. each side, this process needs a large amount of samples and time.

According to the air compressor test requirement, the research and development and the construction of the air compressor test bench are greatly valued and developed. However, in the existing air compressor testing process, the rack is often only a temporary structure; in the face of the current situation that the air compressor for the fuel cell has various forms and different pump head modes, the connecting pipeline equipment needs to be disassembled and recombined corresponding to the air compressor, so that the workload and the test error of operators are increased, and the air compressor is not beneficial to effective measurement and the improvement of the working efficiency of a test bench.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a test bench for an air compressor.

The purpose of the utility model can be realized by the following technical scheme:

a test bench for an air compressor comprises an air inlet module, an air outlet module, a main bench and test equipment, wherein the air compressor is arranged on one side of the main bench, the main bench is of a box body structure, and the test equipment is installed in the main bench;

the air inlet module comprises an air filter, an air inlet pipeline and a steering pipeline, a horizontal track unit is arranged on the top surface of the main rack, the air inlet pipeline is L-shaped and comprises a horizontal pipe and a vertical pipe, the rear end of the horizontal pipe is connected with the air filter, the horizontal pipe and the air filter are connected with the track unit through a sliding support piece, the front end of the horizontal pipe is connected with the upper end of the vertical pipe, the lower end of the vertical pipe is movably connected with the steering pipeline, and the steering pipeline is connected with an air inlet of an air compressor; an air inlet sensor unit is arranged on the horizontal pipe;

the air outlet module comprises an air outlet pipeline and a back pressure valve arranged on the air outlet pipeline, one end of the air outlet pipeline is connected with the test equipment, and the other end of the air outlet pipeline extends out of the main rack and is connected with an air outlet of the air compressor; and an air outlet sensor unit is arranged on the air outlet pipeline.

Further, the steering tube is connected with the vertical tube in a clamping manner.

Further, the air compressor fixing device further comprises an auxiliary rack, wherein the auxiliary rack is located on one side of the main rack and used for fixing the air compressor.

Further, the bottom of the auxiliary stand is provided with a universal wheel with a locking structure.

Further, the intake air sensor unit includes a temperature sensor, a pressure sensor, and a flow sensor.

Further, the air outlet sensor unit comprises a temperature sensor and a pressure sensor.

Further, the track unit includes many parallel arrangement's track pole, slip support piece includes backup pad, slip clamp and fixing bracket, fixing bracket sets up and is used for connecting the horizontal pipe in the upper surface of backup pad, the slip clamp is established the lower surface of locating the backup pad and is connected the track pole.

Further, a protective frame is arranged at the top end of the main rack, and the horizontal pipe and the air filter are located in the protective frame.

Furthermore, the both sides of main rack are equipped with the side door.

Compared with the prior art, the utility model has the following beneficial effects:

1) the utility model designs a test bench with a fixed structure, test equipment is arranged in a main bench, one side of the main bench is connected with an air compressor, and an air inlet module is arranged at the top of the main bench, so that the test bench is compact in structure, small in occupied space and convenient to test and operate; meanwhile, the track unit is arranged in the air inlet module, so that the air inlet pipeline can be adjusted in position and distributed according to the type of the air compressor, the air inlet pipeline is suitable for connecting and fixing the pump heads of different types of air compressors, the trouble of manual disassembly and recombination and the damage of workpieces are effectively reduced, and the air compressor is effectively measured and the working efficiency of the test bench is improved.

2) The steering pipeline is connected with the vertical pipe clamp in a clamping manner, so that the steering pipeline can be conveniently adjusted in angle and can be better matched with a pump head of a hole press.

3) The auxiliary stand is arranged to facilitate the movement and replacement of the air compressor.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of an intake module.

Fig. 3 is a schematic structural diagram of the utility model after the position of the middle air inlet module is switched.

Reference numerals: 1. air inlet module, 11, air cleaner, 12, inlet duct, 121, horizontal pipe, 122, vertical pipe, 13, turn to the pipeline, 14, sensor unit admits air, 2, the module of giving vent to anger, 21, the pipeline of giving vent to anger, 22, back pressure valve, 23, sensor unit gives vent to anger, 3, main platform frame, 31, track unit, 311, track pole, 32, sliding support piece, 321, backup pad, 322, slip clamp, 323, fixed bolster, 33, protective frame, 34, side door, 4, air compressor machine, 5, sub-platform frame, 51, universal wheel.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1, the present embodiment provides a test bench for an air compressor, including an air inlet module 1, an air outlet module 2, a main bench 3, a sub-bench 5, and a test device.

The main table 3 has a box structure, and side doors 34 are provided on both sides. Various types of test equipment are installed inside the box structure. The front surface of the main rack 3 is provided with a windowing structure. A sub-mount 5 is provided in front of the window structure, and an air compressor (not shown) is fixed to the sub-mount 5. The bottom of the sub-stand 5 is provided with a universal wheel 51 with a locking structure, which is convenient for the movement and position adjustment of the air compressor.

As shown in fig. 1 and 2, the intake module 1 includes an air filter 11, an intake duct 12, and a steering duct 13. A horizontal rail unit 31 is provided on the top surface of the main table 3, and the rail unit 31 is laid out in the left-right direction. The air intake duct 12 is L-shaped and includes a horizontal pipe 121 and a vertical pipe 122, the rear end of the horizontal pipe is connected to the air filter 11, and the horizontal pipe 121 and the air filter 11 are connected to the rail unit 31 together through a sliding support 32. The front end of the horizontal pipe 121 is connected to the upper end of the vertical pipe 122, and the lower end of the vertical pipe 122 is sealed by a band and movably connected to the steering pipe 13. The steering pipe 13 is connected to the air inlet of the air compressor. In this embodiment, the track unit 31 includes a plurality of track rods 311 arranged in parallel; the slide support 32 includes a support plate 321, a slide clamp 322, and a fixing bracket 323. The fixing bracket 323 is disposed on the upper surface of the supporting plate 321 for connecting the horizontal pipe 121, and the sliding clamp 322 is disposed on the lower surface of the supporting plate 321 to clamp the two sides of the track rod 311. Thereby, the horizontal pipe 121 and the air filter 11 can be moved and adjusted in position to the left and right on the top surface of the main table 3. An intake air sensor unit 14 is further provided on the horizontal pipe 121, and the intake air sensor unit 14 includes a temperature sensor, a pressure sensor, and a flow sensor.

The outlet module 2 includes an outlet pipe 21 and a back pressure valve 22 provided on the outlet pipe 21. One end of the air outlet pipeline 21 is connected with the test equipment, and the other end of the air outlet pipeline extends out of the window structure of the main rack 3 and is connected with an air outlet of the air compressor. An outlet sensor unit 23 is arranged on the outlet pipeline 21 and comprises a temperature sensor and a pressure sensor.

In this embodiment, a protection frame 33 is further disposed at the top end of the main frame 3, and the horizontal tube 121 and the air filter 11 are disposed in the protection frame 33 to perform a protection function.

When the air compressor 4 operates, the air filter 11 filters, removes dust and oil from air, and the backpressure valve 22 can be used for controlling the backpressure at the outlet of the air compressor 4. Meanwhile, in the operation process, the testing equipment monitors the changes of the temperature, the pressure and the flow of the inlet and the outlet of the air compressor 4, so that a performance map of the air compressor 4, such as the flow-pressure ratio, the flow-efficiency and the like, is obtained. This embodiment is when using, and admission line 12 can the horizontal slip on main rack 3, according to the direction of the 4 pump heads of different model air compressors, sets up admission line 12 in left end (fig. 1) or right-hand member (fig. 3), then turns to the connection with the switching-over pipeline, changes installation angle, realizes quick, the accurate connection of 4 import test benches of air compressor machine. The embodiment effectively reduces the complexity of manual disassembly and recombination and the damage of the workpiece, and is beneficial to the effective measurement of the air compressor 4 and the improvement of the working efficiency of the test bench.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A test bench for an air compressor is characterized by comprising an air inlet module (1), an air outlet module (2), a main bench (3) and test equipment, wherein the air compressor (4) is arranged on one side of the main bench (3), the main bench (3) is of a box body structure, and the test equipment is arranged in the main bench (3);

the air inlet module (1) comprises an air filter (11), an air inlet pipeline (12) and a steering pipeline (13), a horizontal rail unit (31) is arranged on the top surface of the main rack (3), the air inlet pipeline (12) is L-shaped and comprises a horizontal pipe (121) and a vertical pipe (122), the rear end of the horizontal pipe (121) is connected with the air filter (11), meanwhile, the horizontal pipe (121) and the air filter (11) are connected with the rail unit (31) together through a sliding support piece (32), the front end of the horizontal pipe (121) is connected with the upper end of the vertical pipe (122), the lower end of the vertical pipe (122) is movably connected with the steering pipeline (13), and the steering pipeline (13) is connected with an air inlet of the air compressor (4); an air inlet sensor unit (14) is arranged on the horizontal pipe (121);

the air outlet module (2) comprises an air outlet pipeline (21) and a back pressure valve (22) arranged on the air outlet pipeline (21), one end of the air outlet pipeline (21) is connected with a test device, and the other end of the air outlet pipeline extends out of the main rack (3) and is connected with an air outlet of an air compressor; an air outlet sensor unit (23) is arranged on the air outlet pipeline (21).

2. The test bench for an air compressor according to claim 1, characterized in that the turn duct (13) and the vertical pipe (122) are connected in a clip-on manner.

3. The test bench for the air compressor according to claim 1, further comprising a sub-bench (5), the sub-bench (5) being located at one side of the main bench (3) for fixing the air compressor (4).

4. The test bench for air compressor as claimed in claim 3, wherein the sub-bench (5) is provided at the bottom with a universal wheel (51) having a locking structure.

5. The test bench for an air compressor according to claim 1, wherein the intake air sensor unit (14) comprises a temperature sensor, a pressure sensor and a flow sensor.

6. The test bench for an air compressor as claimed in claim 1, wherein the air outlet sensor unit (23) comprises a temperature sensor and a pressure sensor.

7. The test bench for the air compressor according to claim 1, wherein the rail unit (31) comprises a plurality of rail bars (311) arranged in parallel, the sliding support (32) comprises a support plate (321), a sliding clip (322) and a fixing bracket (323), the fixing bracket (323) is arranged on the upper surface of the support plate (321) for connecting the horizontal pipe (121), and the sliding clip (322) is arranged on the lower surface of the support plate (321) for connecting the rail bars (311).

8. The test bench for air compressor according to claim 1, characterized in that the top end of the main bench (3) is provided with a protective frame (33), and the horizontal pipe (121) and the air filter (11) are located in the protective frame (33).

9. The test bench for air compressor according to claim 1, characterized in that side doors (34) are provided on both sides of the main bench (3).