CN213632558U

CN213632558U - Hydrogen fuel cell stack performance testing device

Info

Publication number: CN213632558U
Application number: CN202021984546.2U
Authority: CN
Inventors: 郭静; 贾勇; 袁俊勇; 熊志文; 李彬斌
Original assignee: Hubei Techpow Electric Co ltd
Current assignee: Hubei Techpow Electric Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-07-06
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a hydrogen fuel cell pile performance test device, including the workstation, the top swing joint of workstation has performance test device, and performance test device includes transparent uncovered case to support frame fixedly connected with U type atmospheric pressure induction tube is passed through at the top of transparent uncovered incasement surface, the top fixedly connected with powder case of transparent uncovered case, the utility model relates to a novel fuel cell technical field. This hydrogen fuel cell pile capability test device, through being equipped with the voltmeter, carry out voltage test to hydrogen fuel cell pile, through being equipped with U type atmospheric pressure induction pipe, whether leak gas is learnt through the change of liquid position in the U type atmospheric pressure induction pipe, and spray the powder to the shell of hydrogen fuel cell pile through the spray pipe during gas leakage, the powder through gas leakage department is blown away and can accurately learn the gas leakage position, it is convenient comparatively, need not take off the hydrogen fuel cell pile and send into next process again and detect, the efficiency of software testing is improved.

Description

Hydrogen fuel cell stack performance testing device

Technical Field

The utility model relates to a novel fuel cell technical field specifically is a hydrogen fuel cell pile capability test device.

Background

A fuel cell is a chemical device that directly converts chemical energy of fuel into electrical energy, and is also called an electrochemical generator. It is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation. The fuel cell converts the Gibbs free energy in the chemical energy of the fuel into electric energy through electrochemical reaction, and is not limited by the Carnot cycle effect, so the efficiency is high; in addition, fuel cells use fuel and oxygen as raw materials; meanwhile, no mechanical transmission part is arranged, so that no noise pollution is caused, and the discharged harmful gas is less. It follows that fuel cells are the most promising power generation technology from the viewpoint of energy conservation and ecological environment conservation.

The existing performance test of the hydrogen fuel cell stack needs to carry out comprehensive test on the hydrogen fuel cell stack, wherein when the air tightness test is carried out, whether the air tightness is intact can be known through the change of a barometer, but the air leakage position cannot be accurately found, the next procedure needs to be carried out for detection, the operation is troublesome, and the test efficiency is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a hydrogen fuel cell galvanic pile capability test device has solved current when carrying out the gas tightness test to the hydrogen fuel cell galvanic pile, can't accurately find the gas leakage position, need get into down one process and detect comparatively troublesome problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hydrogen fuel cell pile capability test device, includes the workstation, the top swing joint of workstation has capability test device. The performance testing device comprises a transparent open box, a support frame fixedly connected with U-shaped air pressure induction pipe is arranged at the top of the inner surface of the transparent open box, a top fixedly connected with powder box of the transparent open box is connected with a connecting pipe in a communicated mode, the bottom end of the connecting pipe extends to the inside of the transparent open box, an electromagnetic valve is fixedly connected with the outer surface of the connecting pipe, a spraying pipe is communicated with the bottom end of the connecting pipe, a voltmeter is fixedly connected with the top of the workbench, electric push rods are fixedly connected to the left side and the right side of the top of the workbench, fixed blocks are fixedly connected to the left side and the right side of the top of the transparent open box, and connecting rods are fixedly connected between the opposite side of an output shaft of the.

Preferably, the top of workstation just is located transparent open box's inside from left to right respectively fixedly connected with first base and second base to the dwang has been run through on the right side of second base.

Preferably, the left end of dwang runs through the second base and extends to the outside of second base to the left end fixedly connected with first grip block of dwang, the left side of first base is rotated and is connected with the second grip block.

Preferably, the top of workstation is through motor cabinet fixedly connected with driving motor to the left end of driving motor output shaft and the right-hand member fixed connection of dwang.

Preferably, the top of the workbench is provided with a groove matched with the transparent open box, and the inner cavity of the groove is fixedly connected with a U-shaped sealing gasket.

Preferably, the front side fixedly connected with control panel of transparent uncovered case, the bottom of transparent uncovered case extends to the inside of recess and offsets with the top of the sealed pad of U type.

Advantageous effects

The utility model provides a hydrogen fuel cell pile performance test device. Compared with the prior art, the method has the following beneficial effects:

(1) the performance testing device of the hydrogen fuel cell pile is movably connected with the performance testing device at the top of the workbench, the performance testing device comprises a transparent open box, the top of the inner surface of the transparent open box is fixedly connected with a U-shaped air pressure induction pipe through a supporting frame, the top of the transparent open box is fixedly connected with a powder box, the bottom of the powder box is communicated with a connecting pipe, the bottom end of the connecting pipe extends into the transparent open box, the outer surface of the connecting pipe is fixedly connected with an electromagnetic valve, the bottom end of the connecting pipe is communicated with a spraying pipe, the top of the workbench is fixedly connected with a voltmeter, the left side and the right side of the top of the workbench are fixedly connected with electric push rods, the left side and the right side of the top of the transparent open box are fixedly connected with fixed blocks, one side opposite to output shafts of the two electric push, carry out voltage test to the hydrogen fuel cell pile, through being equipped with U type atmospheric pressure induction tube, learn whether leak gas through the change of liquid position in the U type atmospheric pressure induction tube to spray the powder through the spray tube to the shell of hydrogen fuel cell pile during gas leakage, blow off through the powder of gas leakage department and can accurately learn the gas leakage position, it is convenient comparatively, need not take off the hydrogen fuel cell pile and send into next process again and detect, improved efficiency of software testing.

(2) The hydrogen fuel cell pile performance testing device is characterized in that a first base and a second base are fixedly connected with the top of a workbench from left to right and are positioned in a transparent open box respectively, a rotating rod penetrates through the right side of the second base, the left end of the rotating rod penetrates through the second base and extends to the outside of the second base, a first clamping plate is fixedly connected with the left end of the rotating rod, a second clamping plate is rotatably connected with the left side of the first base, a driving motor is fixedly connected with the top of the workbench through a motor base, the left end of an output shaft of the driving motor is fixedly connected with the right end of the rotating rod, a groove matched with the transparent open box is formed in the top of the workbench, a U-shaped sealing gasket is fixedly connected with an inner cavity of the groove, the hydrogen fuel cell pile is clamped through the first clamping plate and the second clamping plate, and is convenient to rotate through the driving motor, the observation is facilitated, and the sealing performance of the equipment is improved by arranging the groove and the U-shaped sealing gasket.

Drawings

FIG. 1 is a cross-sectional view of the transparent open box of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a work table; 2. a performance testing device; 3. a transparent open box; 4. a U-shaped air pressure induction tube; 5. a powder box; 6. a connecting pipe; 7. an electromagnetic valve; 8. a spray tube; 9. a voltmeter; 10. an electric push rod; 11. a fixed block; 12. a connecting rod; 13. a first base; 14. a second base; 15. rotating the rod; 16. a first clamping plate; 17. a second clamping plate; 18. a drive motor; 19. a groove; 20. a U-shaped sealing gasket; 21. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a performance testing device for a hydrogen fuel cell stack comprises a workbench 1, wherein the top of the workbench 1 is movably connected with a performance testing device 2; the performance testing device 2 comprises a transparent open box 3, a control panel 21 is fixedly connected to the front side of the transparent open box 3, the bottom of the transparent open box 3 extends into a groove 19 and is abutted against the top of a U-shaped sealing gasket 20, a U-shaped air pressure sensing tube 4 is fixedly connected to the top of the inner surface of the transparent open box 3 through a support frame, a powder box 5 is fixedly connected to the top of the transparent open box 3, a connecting tube 6 is communicated with the bottom of the powder box 5, the bottom end of the connecting tube 6 extends into the transparent open box 3, an electromagnetic valve 7 is fixedly connected to the outer surface of the connecting tube 6, a spray tube 8 is communicated with the bottom end of the connecting tube 6, a voltmeter 9 is fixedly connected to the top of a workbench 1, electric push rods 10 are fixedly connected to the left side and the right side of the top of the workbench 1, and fixing blocks 11 are fixedly connected to, a connecting rod 12 is fixedly connected between one side of the two electric push rods 10 opposite to the output shaft and a fixed block 11, a voltmeter 9 is arranged to test the voltage of the hydrogen fuel cell stack, a U-shaped air pressure induction tube 4 is arranged to know whether air leakage occurs through the position change of liquid in the U-shaped air pressure induction tube 4, and when air leakage occurs, powder 5 is sprayed on the shell of the hydrogen fuel cell stack through a spraying tube 8, the air leakage position can be accurately known through the blowing-off of the powder at the air leakage position, the hydrogen fuel cell stack is convenient to use, the hydrogen fuel cell stack does not need to be taken down and then sent to the next procedure for detection, the testing efficiency is improved, a first base 13 and a second base 14 are respectively and fixedly connected with the top of the workbench 1 from left to right in the transparent open box 3, a rotating rod 15 penetrates through the right side of the second base 14, the left end of the rotating rod 15 penetrates through the second base 14 and extends to the, and the left end fixedly connected with first grip block 16 of dwang 15, the left side of first base 13 is rotated and is connected with second grip block 17, motor cabinet fixedly connected with driving motor 18 is passed through at the top of workstation 1, and the left end of the 18 output shafts of driving motor and the right-hand member fixed connection of dwang 15, the top of workstation 1 is seted up with transparent uncovered case 3 assorted recess 19, and the sealed pad 20 of inner chamber fixedly connected with U type of recess 19, carry out the centre gripping to the hydrogen fuel cell pile through being equipped with first grip block 16 and second grip block 17, and make things convenient for its rotation through driving motor 18, made things convenient for the observation, through being equipped with recess 19 and the sealed pad 20 of U type, the leakproofness of equipment has been improved.

And those not described in detail in this specification are well within the skill of those in the art.

When the device is used, the remote control electric push rod 10 moves upwards to drive the connecting rod 12, the fixing block 11 and the transparent open box 3 to move upwards, the transparent open box 3 leaves the U-shaped sealing gasket 20, then the hydrogen fuel cell stack is clamped by the first clamping plate 16 and the second clamping plate 17, then the voltmeter 9 performs voltage test on the hydrogen fuel cell stack, then the remote control electric push rod 10 moves downwards, the transparent open box 3 is driven to be inserted into the U-shaped sealing gasket 20 to form a sealed environment in the same way, the liquid position change in the U-shaped air pressure induction pipe 4 is observed after the device is placed for a period of time, so that whether air leaks or not is known, if the air leaks, the control panel 21 opens the electromagnetic valve 7, powder in the powder box 5 is sprayed out from the spraying pipe 8 through the connecting pipe 6, the powder 5 is sprayed on the shell of the hydrogen fuel cell stack, the control panel 21 opens the driving motor 18, the spraying is uniform, and the air leakage position can be accurately known by blowing away the powder at the air leakage position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A hydrogen fuel cell stack performance test device, includes workstation (1), its characterized in that: the top of the workbench (1) is movably connected with a performance testing device (2); the performance testing device (2) comprises a transparent open box (3), the top of the inner surface of the transparent open box (3) is fixedly connected with a U-shaped air pressure induction pipe (4) through a supporting frame, the top of the transparent open box (3) is fixedly connected with a powder box (5), the bottom of the powder box (5) is communicated with a connecting pipe (6), the bottom end of the connecting pipe (6) extends to the inside of the transparent open box (3), the outer surface of the connecting pipe (6) is fixedly connected with an electromagnetic valve (7), the bottom end of the connecting pipe (6) is communicated with a spraying pipe (8), the top of the workbench (1) is fixedly connected with a voltmeter (9), the left side and the right side of the top of the workbench (1) are both fixedly connected with electric push rods (10), and the left side and the right side of the top of the transparent open box (3) are fixedly connected, a connecting rod (12) is fixedly connected between one side of the two electric push rods (10) opposite to the output shaft and the fixed block (11).

2. The hydrogen fuel cell stack performance testing device according to claim 1, characterized in that: the top of workstation (1) and be located the inside of transparent uncovered case (3) from left to right respectively fixedly connected with first base (13) and second base (14) to the right side of second base (14) is run through and is had dwang (15).

3. The hydrogen fuel cell stack performance testing device according to claim 2, characterized in that: the left end of dwang (15) runs through second base (14) and extends to the outside of second base (14) to the left end fixedly connected with first grip block (16) of dwang (15), the left side of first base (13) is rotated and is connected with second grip block (17).

4. The hydrogen fuel cell stack performance testing device according to claim 1, characterized in that: the top of the workbench (1) is fixedly connected with a driving motor (18) through a motor base, and the left end of an output shaft of the driving motor (18) is fixedly connected with the right end of the rotating rod (15).

5. The hydrogen fuel cell stack performance testing device according to claim 1, characterized in that: the top of the workbench (1) is provided with a groove (19) matched with the transparent open box (3), and the inner cavity of the groove (19) is fixedly connected with a U-shaped sealing gasket (20).

6. The hydrogen fuel cell stack performance testing device according to claim 1, characterized in that: the front side fixedly connected with control panel (21) of transparent uncovered case (3), the bottom of transparent uncovered case (3) extends to the inside of recess (19) and inconsistent with the top of the sealed pad (20) of U type.