CN219016394U

CN219016394U - Tilting test fixture for fuel cell system

Info

Publication number: CN219016394U
Application number: CN202223485948.XU
Authority: CN
Inventors: 赵云庆; 魏青龙; 李俊; 张红应; 刘和坤; 李涛
Original assignee: Shanghai Re Fire Energy and Technology Co Ltd
Current assignee: Shanghai Re Fire Energy and Technology Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-12
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a fuel cell system inclination test tool. The fuel cell system inclination test fixture is used for placing the fuel cell system in an inclined state so as to test the running condition of the fuel cell system in the inclined state, and comprises a chassis, a plurality of lifting mechanisms connected with the chassis and a supporting frame connected with the chassis, wherein the supporting frame is arranged for the fuel cell system to be installed and fixed; the lifting mechanisms are respectively and independently adjustable, and the chassis and the supporting frame connected to the chassis can be inclined at least in two directions which are intersected by the chassis through the cooperation of the lifting mechanisms. The fuel cell system inclination test tool disclosed by the utility model is convenient for testing the fuel cell system in a plurality of different inclination directions.

Description

Tilting test fixture for fuel cell system

Technical Field

The utility model relates to the technical field of fuel cells, in particular to a fuel cell system inclination test tool.

Background

The fuel cell is a power generation device for generating electric energy by carrying out electrochemical reaction on hydrogen and oxygen, has the advantages of cleanness, environment friendliness, low noise and small volume, and is widely applied to the new energy automobile industry. Fuel cell systems typically include a hydrogen inlet subsystem, an oxygen inlet subsystem, a stack, a water thermal management subsystem, etc., and, in terms of the state of the operating materials, the fuel cell system includes a gas circulation system and a liquid circulation system. When the whole fuel cell system is in different inclined states, the states of gas and liquid circulation are also different, so that the power generation performance of the fuel cell system is finally different. However, the fuel cell system is installed in the automobile, and the situation that the automobile is inclined to one side, such as an ascending slope, a descending slope or a vehicle body is unavoidable, and the fuel cell system installed on the automobile is necessarily caused to be in an inclined posture because the automobile is in an inclined posture, and whether the working condition of the fuel cell system in the inclined posture meets the design requirement is required to be subjected to simulation test. In the prior art, a tool for performing an inclination test on a fuel cell system is disclosed in chinese patent publication No. CN216117946U, for example, a fuel cell system test tool is provided with an inclined base for enabling the fuel cell system to be in an inclined state; in some embodiments, it also discloses that the base angle is adjustable. However, the prior art has the defects that the prior art cannot test a plurality of inclined directions without dismantling and changing the direction of the fuel cell system, has poor universality when being applied to testing different fuel cell systems, has high center of gravity of a testing tool and the like.

Based on this, a new technical solution is necessary to be proposed to overcome the defects existing in the prior art.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a fuel cell system inclination test tool which is convenient for testing the fuel cell system in a plurality of different inclination directions.

The utility model is realized by the following technical scheme: a fuel cell system tilting test fixture for placing the fuel cell system in a tilting state so as to test the operation condition of the fuel cell system in the tilting state, the fuel cell system tilting test fixture comprising a chassis, a plurality of lifting mechanisms connected to the chassis, and a supporting frame connected to the chassis, wherein the supporting frame is arranged for the fuel cell system to be installed and fixed; the lifting mechanisms are respectively and independently adjustable, and the chassis and the supporting frame connected to the chassis can be inclined at least in two directions which are intersected by the chassis through the cooperation of the lifting mechanisms.

As a further improved technical scheme of the utility model, the number of the lifting mechanisms is four, and the lifting mechanisms are correspondingly arranged at four corners of the chassis.

As a further improved technical scheme of the utility model, the lifting mechanism is a screw rod lifter and comprises a screw rod, a lifting part and a hand wheel, wherein the lifting part is fixed on the chassis, and the rotation of the hand wheel drives the lifting part to lift along the screw rod so as to lift or lower the chassis.

As a further improved technical scheme of the utility model, the lifting mechanism further comprises a base which is used for being supported on the test fixture placing table top, and the base is movably connected with the screw rod in an angle-adjustable manner.

As a further improved technical scheme of the utility model, one of the screw rod and the base is provided with a spherical head, the other one of the screw rod and the base is provided with a ball socket matched with the spherical head, and the spherical head can rotate in the ball socket.

As a further improved technical scheme of the utility model, the support frame comprises a plurality of support columns which are arranged in a split mode, the support columns are respectively fixed on the chassis, and the distance between the support columns is adjustable.

As a further improved technical scheme of the utility model, a first strip-shaped hole is formed in the chassis, a second strip-shaped hole which is perpendicular to the first strip-shaped hole is formed in the supporting column, and the supporting column is fastened on the chassis through a screw penetrating through the second strip-shaped hole and the first strip-shaped hole.

As a further improved technical scheme of the utility model, the support column comprises a columnar main body, a lower end connecting plate arranged at the lower end of the columnar main body, an upper end connecting plate arranged at the upper end of the columnar main body, and a reinforcing plate arranged between the columnar main body and the lower end connecting plate, wherein the second strip-shaped hole is arranged on the lower end connecting plate, and the upper end connecting plate is provided with a mounting hole for mounting and fixing the fuel cell system.

As a further improved technical scheme of the utility model, the fuel cell system testing tool further comprises at least two angle measuring devices arranged on the chassis, and the installation planes of the at least two angle measuring devices are mutually perpendicular.

As a further improved technical scheme of the utility model, the chassis is rectangular, and the at least two angle measuring devices are arranged on two adjacent side surfaces of the rectangle.

The fuel cell system inclination test tool provided by the utility model comprises a plurality of lifting mechanisms connected with the chassis, the lifting mechanisms are respectively and independently adjustable, and the chassis and the support frame connected to the chassis can be inclined at least in two directions intersecting with each other by matching the lifting mechanisms, so that under the condition that the fuel cell system is not removed from the test tool and is reinstalled in the test tool after the direction is changed, the fuel cell system can be tested in a plurality of different inclination directions, and the convenience of testing in a plurality of different inclination directions is improved.

Drawings

Fig. 1 is a perspective view of a fuel cell system tilt test fixture of the present utility model.

Fig. 2 is a schematic view of the fuel cell system tilting test fixture of the present utility model tilted to a first direction.

Fig. 3 is a schematic view of the fuel cell system tilting test fixture of the present utility model tilted in a second direction.

The reference numerals are as follows: a 100-fuel cell system; 1-a chassis; 11-an angle measurer; 12-a first bar-shaped hole; 2-a lifting mechanism; 21-a screw rod; 22-lifting part; 23-a hand wheel; 24-base; 3-supporting frames; 31-a columnar body; 32-a lower end connecting plate; 321-a second bar-shaped hole; 33-an upper end connecting plate; 331-mounting holes; 34-reinforcing plate.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1 to 3, the utility model discloses a fuel cell system tilting test fixture. The fuel cell system inclination test fixture is used for placing the fuel cell system 100 in an inclined state so as to test the operation condition of the fuel cell system 100 in the inclined state. The fuel cell system inclination test fixture comprises a chassis 1, a plurality of lifting mechanisms 2 connected to the chassis 1 and a support frame 3 connected to the chassis 1, wherein the support frame 3 is arranged for the fuel cell system 100 to be installed and fixed; the lifting mechanisms 2 are respectively and independently adjustable, and the chassis 1 and the supporting frame 3 connected to the chassis 1 can be inclined at least in two directions which are intersected by the cooperation of the lifting mechanisms 2.

The fuel cell system inclination test tool provided by the utility model comprises a plurality of lifting mechanisms 2 connected with the chassis 1, the lifting mechanisms 2 are respectively and independently adjustable, and the chassis 1 and the support frame 3 connected to the chassis 1 can be inclined at least in two directions which are intersected by the cooperation of the lifting mechanisms 2, so that under the condition that the fuel cell system 100 is not removed from the test tool and is reinstalled on the test tool after the direction is changed, the fuel cell system 100 can be tested in a plurality of different inclination directions, and the convenience of testing in a plurality of different inclination directions is improved.

Referring to fig. 1, in the present embodiment, the chassis 1 is rectangular, and has an upward top surface, a downward bottom surface, and four side surfaces. The support frame 3 is installed the top surface of chassis 1, elevating system 2 is four, corresponds set up in chassis 1's four corners department.

Specifically, the lifting mechanism 2 is a screw rod lifter, and comprises a screw rod 21, a lifting portion 22 and a hand wheel 23, wherein the lifting portion 22 is fixed on the chassis 1, and rotation of the hand wheel 23 drives the lifting portion 22 to lift along the screw rod 21 so as to raise or lower the chassis 1. In this embodiment, the lifting mechanism 2 is supported on a table surface on which the fuel cell system inclination test fixture is placed, and the lifting portion 22 of the lifting mechanism 2 is fixed on the side surface of the chassis 1, and when the hand wheel 23 is turned, the lifting portion 22 is driven to lift along the screw rod 21 to raise or lower the chassis 1. In other embodiments, the lifting portion 22 may be fixed to the bottom surface of the chassis 1. The lifting control principle and the structure for realizing the lifting control of the screw rod lifter are the prior art, the internal structure of the screw rod lifter generally comprises a worm and a worm wheel which are meshed, the hand wheel 23 drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel rotates to drive the lifting part 22 to move upwards or downwards along the screw rod 21. The principle of the lift control of the screw lift and the structure for realizing the lift control can be set with reference to the prior art, and the utility model is not limited thereto.

With continued reference to fig. 1, in this embodiment, the lifting mechanism 2 further includes a base 24 for supporting on a test fixture placement table, and the base 24 is movably connected with the screw 21 in an adjustable angle. Specifically, one of the screw 21 and the base 24 is provided with a ball socket, and the other ball socket is provided with a ball socket matched with the ball socket, and the ball socket can rotate in the ball socket. In an embodiment, the lower end of the screw rod 21 is provided with a spherical head, and the spherical head may be directly formed by the lower end of the screw rod 21 or may be formed by mounting a detachable spherical head part on the lower end of the screw rod 21; the base 24 is provided with a ball socket matched with the spherical head, and the ball socket can be directly formed on the base 24 or formed by mounting a detachable component with the ball socket on the base 24. The ball-shaped head is accommodated in the ball socket, and the screw rod 21 can move in a conical space relative to the base 24, so that when the lifting mechanism 2 drives one side of the chassis 1 to lift to form an inclined angle, a certain angle can be formed between the screw rod 21 and the base 24, the bottom surface of the base 24 is always tightly attached to a table surface where the test tool is placed, and the stability of support is ensured. Preferably, the ball joint is matched with the ball socket to wrap more than half of the ball joint, so that the ball joint is not easy to fall off from the ball socket when rotating in the ball socket, and the stability of connection of the ball joint and the ball socket can be improved. It will be appreciated that in other embodiments, the ball head may be provided on the base 24 with the socket provided at the lower end of the screw 21. For larger fuel cell system tilting test tools, the test tools are usually placed directly on the ground, so that the placed table top of the test tools refers to the ground; of course, when the test fixture is placed on a table top or other flat surface, the table top is referred to as a table top or other flat surface.

In the present utility model, the elevating mechanisms 2 are provided in a plurality of four corners of the chassis 1, and each elevating mechanism 2 can be individually adjusted, so that the chassis 1 can be tilted in a plurality of different directions. For example, when the angle at which the chassis 1 is raised is adjusted by the elevating mechanism 2 located at one of the corners, the elevating mechanism 2 at the other corner diagonal thereto is lowered, while adjusting the remaining two elevating mechanisms 2 to achieve smooth support, so that the chassis 1 can be inclined in the diagonal direction. As another example, when the side edge of the chassis 1 is lifted by the two lifting mechanisms 2 located in the Y direction shown in fig. 1, the two lifting mechanisms 2 at the other side edge opposite to the side edge are lowered, so that the chassis 1 can be tilted in the X direction as shown in fig. 2; similarly, when the side edge of the chassis 1 is lifted by the two lifting mechanisms 2 located in the X direction shown in fig. 1, the two lifting mechanisms 2 at the other side edge opposite to the side edge are lowered, so that the chassis 1 can be tilted in the Y direction as shown in fig. 3. In this way, after the fuel cell system 100 is mounted and fixed on the test fixture, the fuel cell system can be tested in a plurality of oblique directions without dismantling and changing the direction.

Further, the fuel cell system testing tool further comprises at least two angle measuring devices 11 installed on the chassis 1, and installation planes of the at least two angle measuring devices 11 are perpendicular to each other. In this embodiment, the chassis 1 is rectangular, and the at least two angle measuring devices 11 are mounted on two adjacent sides of the rectangle. The inclination angle of the chassis 1 can be detected in real time by the angle measurer 11. The range of the inclination angle of the chassis 1 is determined by the liftable height of the lifting mechanism 2, and in this embodiment, the adjustable range of the inclination angle of the chassis 1 is set to 0-20 °.

With continued reference to fig. 1, in this embodiment, the support frame 3 includes a plurality of support columns that are separately disposed, the plurality of support columns are respectively fixed on the chassis 1, and the distance between the plurality of support columns is adjustable. The arrangement enables fuel cell systems of different sizes to be mounted on the support frame 3, namely, the support frame 3 can be adapted to fuel cell systems 100 of different types, and has good universality. Specifically, in this embodiment, the chassis 1 is provided with a first bar hole 12, the support column is provided with a second bar hole 321 perpendicularly intersecting the first bar hole 12, and the support column is fastened to the chassis 1 by passing through the second bar hole 321 and the first bar hole 12 through a screw. The first strip-shaped hole 12 is arranged so that the support column is adjustable in a direction in which the first strip-shaped hole 12 extends, and the second strip-shaped hole 321 is arranged so that the support column is adjustable in a direction in which the second strip-shaped hole 321 extends. The first and second bar-

shaped holes

12 and 321 are perpendicular so that the support columns can be adjusted in the transverse and longitudinal directions on the chassis 1 to accommodate the installation of different sizes of fuel cell systems 100. In this embodiment, the support frame 3 includes four support columns, each of which includes a columnar body 31, a lower end connecting plate 32 disposed at a lower end of the columnar body 31, an upper end connecting plate 33 disposed at an upper end of the columnar body 31, and a reinforcing plate 34 disposed between the columnar body 31 and the lower end connecting plate 32, the second bar-shaped hole 321 is disposed on the lower end connecting plate 32, and a mounting hole 331 for mounting and fixing the fuel cell system 100 is disposed on the upper end connecting plate 33.

The fuel cell system inclination test tool provided by the utility model has the following use process: the four lifting mechanisms 2 are adjusted to the same height, so that the chassis 1 is in a horizontal state; the fuel cell system 100 is erected on the support frame 3 and is fastened on the upper end connecting plate 33 of the support frame 3 through screw locks; adjusting the corresponding lifting mechanism 2 according to the inclination direction and the inclination angle to be tested, so that the chassis 1 and the fuel cell system 100 fixed on the chassis are in the inclination direction and the inclination angle to be tested; testing the operating condition of the fuel cell system 100 in the inclined state; adjusting the corresponding lifting mechanism 2 according to another inclination direction and inclination angle to be tested, so that the chassis 1 and the fuel cell system 100 fixed on the chassis take on the other inclination direction and inclination angle; testing the operating condition of the fuel cell system in the inclined state; until all the tilt directions and tilt angles to be tested are tested, the fuel cell system 100 is removed.

As can be seen from the above description of the specific embodiments, the fuel cell system tilting test fixture provided by the present utility model includes a plurality of lifting mechanisms 2 connected to the chassis 1, where the lifting mechanisms 2 are respectively and independently adjustable, and the chassis 1 and the support frame 3 connected to the chassis 1 can tilt at least in two directions intersecting each other by matching the lifting mechanisms 2, so that the fuel cell system 100 can be tested in a plurality of different tilting directions without removing the fuel cell system 100 from the test fixture and reinstalling the fuel cell system 100 in the test fixture after changing the direction, and convenience of testing in a plurality of different tilting directions is improved.

While the utility model has been described with reference to several particular embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A fuel cell system tilting test fixture for placing the fuel cell system in a tilting state so as to test the operation condition of the fuel cell system in the tilting state, wherein the fuel cell system tilting test fixture comprises a chassis, a plurality of lifting mechanisms connected with the chassis, and a supporting frame connected with the chassis, wherein the supporting frame is arranged for the fuel cell system to be installed and fixed; the lifting mechanisms are respectively and independently adjustable, and the chassis and the supporting frame connected to the chassis can be inclined at least in two directions which are intersected by the chassis through the cooperation of the lifting mechanisms.

2. The fuel cell system inclination test fixture of claim 1 wherein the number of lifting mechanisms is four and the lifting mechanisms are correspondingly arranged at four corners of the chassis.

3. The fuel cell system tilt test fixture of claim 1, wherein the lift mechanism is a screw lift comprising a screw, a lift portion and a hand wheel, the lift portion being secured to the chassis, rotation of the hand wheel driving the lift portion to lift along the screw to raise or lower the chassis.

4. The fuel cell system tilt test fixture of claim 3, wherein the lift mechanism further comprises a base for supporting on a test fixture placement table, the base being angularly adjustably movably coupled to the lead screw.

5. The fuel cell system tilt test fixture of claim 4, wherein one of the lead screw and the base has a ball head, and the other has a socket for engaging the ball head, the ball head being rotatable within the socket.

6. The fuel cell system inclination test fixture of claim 1 wherein the support frame comprises a plurality of support columns that are separately arranged, wherein the plurality of support columns are respectively fixed on the chassis, and wherein the distance between the plurality of support columns is adjustable.

7. The fuel cell system tilt test fixture of claim 6, wherein the chassis has a first bar hole, the support post has a second bar hole perpendicular to the first bar hole, and the support post is fastened to the chassis by a screw through the second bar hole and the first bar hole.

8. The fuel cell system inclination test fixture of claim 7 wherein the support column comprises a columnar body, a lower end connecting plate arranged at the lower end of the columnar body, an upper end connecting plate arranged at the upper end of the columnar body, and a reinforcing plate arranged between the columnar body and the lower end connecting plate, wherein the second strip-shaped hole is arranged on the lower end connecting plate, and the upper end connecting plate is provided with a mounting hole for mounting and fixing the fuel cell system.

9. The fuel cell system tilt test fixture of claim 1, further comprising at least two angle gauges mounted to the chassis, the at least two angle gauges being disposed in mounting planes that are perpendicular to each other.

10. The fuel cell system tilt test fixture of claim 9, wherein the chassis is rectangular, and the at least two angle gauges are mounted on two adjacent sides of the rectangle.