CN219957810U - Comprehensive testing mechanism for fuel cell activation test - Google Patents

Abstract

The utility model discloses a comprehensive testing mechanism for fuel cell activation test, which comprises a testing table, wherein the testing table comprises a transverse plate and a vertical plate positioned at one side of the transverse plate, a positioning plate which is vertically arranged and can move along the horizontal direction is arranged at one side of the vertical plate facing the transverse plate, a fuel gas pipe, a wire and an air pipe which are used for being connected with a fuel cell to be tested during detection are arranged on the positioning plate, a plurality of through grooves are formed in the positioning plate, and the ends of the fuel gas pipe, the wire and the air pipe are respectively arranged on the positioning plate through positioning mechanisms which are matched with the through grooves and can slide along the through grooves to adjust the positions. The integrated testing mechanism for the fuel cell activation test has the advantages that the fuel gas pipe, the lead wire and the air pipe can slide on the positioning plate to adjust the position of the end part of the fuel gas pipe, the lead wire and the air pipe, and the integrated testing mechanism can be flexibly adjusted according to the specification, the joint position and the like of the fuel cell to be tested, and is simple to operate and convenient to adjust.

Description

Comprehensive testing mechanism for fuel cell activation test

Technical Field

The utility model relates to the technical field of fuel cell testing, in particular to a comprehensive testing mechanism for fuel cell activation testing.

Background

A fuel cell is an energy conversion device which converts chemical energy stored in fuel and oxidant directly into electric energy isothermally according to electrochemical principle, i.e., primary cell operation principle, so that the actual process is oxidation-reduction reaction. Fuel cells are mainly composed of four parts, namely an anode, a cathode, an electrolyte and an external circuit. The production process of the fuel cell comprises the following steps: stacking and pre-assembly-compression-tensioning-leak testing-styling assembly-activation and testing-finished product, wherein activation and testing are an indispensable procedure.

Most of the existing fuel cell activation testing mechanisms are low in universality, the positions of detection interfaces of the existing fuel cell activation testing mechanisms are fixed, the detection interfaces are not easy to flexibly adjust according to the specifications, the interface positions and the like of the fuel cells, workers are required to manually communicate the interfaces one by one during activation detection, the operation is complex, and the working efficiency is low.

For example, the application publication CN113809346a discloses a quick connect device and method for fuel cell activation testing. The utility model provides a quick connecting device for fuel cell activation test, including the pile place the platform, manual operating handle, gas-liquid connection mouth, the tube coupling group of plastic, set up the gas-liquid connection mouth that the electricity pushed is placed the platform with the pile and is relative, pile gas-liquid connection mouth R is relative with testboard gas-liquid connection mouth A, pile gas-liquid connection mouth L is relative with testboard gas-liquid connection mouth B, tube coupling group A both ends are equipped with connecting tube interface A and connecting tube interface R respectively, connecting tube interface A is connected with testboard gas-liquid connection mouth A, connecting tube interface R is connected with pile gas-liquid connection mouth R, tube coupling group B both ends are equipped with connecting tube interface B and connecting tube interface L respectively, connecting tube interface B is connected with testboard gas-liquid connection mouth B, pile place the platform with conveying section layer board, conveying section layer board surface has the rolling wheelset, the pile moves at its surface level.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides a comprehensive testing mechanism for fuel cell activation testing.

The utility model provides a comprehensive testing mechanism for fuel cell activation test, includes the testboard, the testboard includes diaphragm and the riser that is located diaphragm one side, be equipped with the conveyer belt that is used for conveying the fuel cell that waits to test on the diaphragm, be equipped with the locating plate that vertical setting, can follow the horizontal direction and remove towards diaphragm one side on the riser, install on the locating plate and be used for the fuel gas pipe, wire and the air pipe that link to each other with the fuel cell that awaits measuring when detecting, be equipped with a plurality of logical grooves on the locating plate, the tip of fuel gas pipe, wire and air pipe is through cooperating, can follow the locating mechanism that leads to the groove to slide in order to adjust the position respectively and install on the locating plate.

Preferably, the vertical plate is provided with an electric push rod for driving the positioning plate to move along the horizontal direction. When activated in batches, only the end part position needs to be fixed, and the positioning plate can be driven by the electric push rod to move back and forth according to a preset program, so that the connector and the fuel cell are automatically connected or disconnected, the degree of automation is improved, the manpower resources are saved, and the working efficiency is improved.

Preferably, the through grooves comprise a plurality of transverse through grooves which are arranged at intervals, and longitudinal through grooves which are used for communicating with the transverse through grooves.

Preferably, the positioning mechanism comprises a fixed ring and a sliding ring which are respectively positioned at two sides of the positioning plate, the fixed ring is fixedly sleeved with the fuel gas pipe, the lead wire or the air pipe, and the sliding ring is slidably sleeved with the fuel gas pipe, the lead wire or the air pipe.

More preferably, the fixing ring and the sliding ring are at least partially magnetic blocks, and one surface of the fixing ring opposite to the sliding ring is opposite in magnetism and can be mutually attracted and fixed.

More preferably, a spring which penetrates through the through groove and is used for tensioning the sliding ring towards the direction of the fixed ring is arranged between the fixed ring and the sliding ring.

More preferably, a plurality of protruding blocks are arranged on the sliding ring at intervals towards one side surface of the positioning plate, and grooves matched with the protruding blocks are correspondingly arranged on the positioning plate.

More preferably, the ends of the fuel gas pipe, the lead wire and the air pipe are respectively provided with an interface correspondingly connected with the fuel cell to be tested, the outer side surface of the interface is provided with a sealing sleeve, and the inner side surface of the sealing sleeve is provided with a plurality of sealing rings.

Preferably, the transverse plate is provided with a chute at a side opposite to the positioning plate, and a baffle plate movable along the chute to adjust a distance between the baffle plate and the positioning plate.

Preferably, the surface of the positioning plate is provided with scale marks for indicating positions.

The integrated testing mechanism for the fuel cell activation test has the advantages that the fuel gas pipe, the lead wire and the air pipe can slide on the positioning plate to adjust the position of the end part of the fuel gas pipe, the lead wire and the air pipe, and the integrated testing mechanism can be flexibly adjusted according to the specification, the joint position and the like of the fuel cell to be tested, and is simple to operate and convenient to adjust.

Drawings

FIG. 1 is a schematic diagram of the structure of the comprehensive testing mechanism of the present utility model.

Fig. 2 is a schematic structural view of the locating plate of the present utility model.

Fig. 3 is a partial enlarged view of fig. 2 at a.

FIG. 4 is a schematic top view of the integrated test mechanism of the present utility model.

Fig. 5 is a schematic structural view of the stationary ring and the sliding ring of the present utility model.

Fig. 6 is a schematic structural view of another embodiment of the fixed ring and the sliding ring of the present utility model.

Reference numerals: 1 test bench, 2 conveyor belt, 3 electric push rod, 4 locating plate, 5 transverse through groove, 6 longitudinal through groove, 7 scale mark, 8 fuel gas pipe, 9 wire, 10 air pipe, 11 fixing ring 12 sliding rings, 13 interfaces, 14 sealing sleeves, 15 sealing rings, 16 baffle rings, 17 convex blocks, 18 springs, 19 sliding grooves, 20 baffle plates, 21 driving motors, 22 driving screws and 23 recording plates.

Detailed Description

As shown in fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a comprehensive test mechanism for fuel cell activation test, includes test bench 1 of L shape, and test bench 1 includes diaphragm and locates the riser of diaphragm one side, is equipped with conveyer belt 2 on the diaphragm, and conveyer belt 2 is used for conveying the fuel cell that waits to test.

Four electric push rods 3 are arranged on the surface of the vertical plate side of the test bench 1, positioning plates 4 are fixedly arranged at movable ends of the four electric push rods 3 and are respectively arranged at four corners, activation test pipelines such as a fuel gas pipe 8, a conducting wire 9 and an air pipe 10 are respectively arranged on the positioning plates 4 in a sliding manner, the activation test pipelines are flexible pipelines or spring conducting wires and can stretch and retract at will within a certain range, a fixed ring 11 is fixedly arranged on the outer side surfaces of the fuel gas pipe 8, the conducting wire 9 and the air pipe 10, which are close to one side of the electric push rods 3, and sliding rings 12 are respectively arranged on the outer side surfaces of the fuel gas pipe 8, the conducting wire 9 and the air pipe 10, which are close to one side of the conveyor belt 2, and the ends of the fuel gas pipe 8, the conducting wire 9 and the air pipe 10 are fixed at corresponding positions on the positioning plates 4 through the fixed ring 11 and the sliding rings 12, the two rings are pressed on the positioning plate 4 by the sliding ring 12 to be close to the fixed ring 11 to fix each pipeline, the fuel gas pipe 8, the lead 9 and the air pipe 10 can slide on the positioning plate 4 to adjust the joint positions of the two rings, the joint positions can be flexibly adjusted according to the specification, the joint positions and the like of the fuel cell to be tested, the operation is simple, the adjustment is convenient, when the fuel cell is activated in batches, the joint positions are only required to be fixed, the positioning plate 4 can be moved back and forth under the driving of the electric push rod 3 according to a preset program, the joint and the fuel cell are automatically connected or disconnected, the degree of automation is improved, the manpower resources are saved, and the working efficiency is improved.

The fuel gas pipe 8 and the air pipe 10 are connected with an external fuel gas source and an air pump, respectively, and the lead 9 is connected with an external electricity meter.

After the fuel gas pipe 8, the lead 9 and the air pipe 10 are connected with the fuel cell, the fuel gas and the air are respectively introduced into the anode and the cathode of the fuel cell, then the discharge process is carried out, the operation is carried out under different current densities, the current density is finally adjusted to be the activation current density, the output voltage value is detected in the operation process, and the activation is completed when the variation amplitude of the voltage value is within the set amplitude.

Specifically, a plurality of transverse through grooves 5 are uniformly formed in the side surface of the positioning plate 4 from top to bottom, longitudinal through grooves 6 for communicating adjacent transverse through grooves 5 are further formed in the side surface of the positioning plate 4, the longitudinal through grooves 6 can be formed in the same vertical line or at different positions, the transverse through grooves 5 can be completely communicated, and then all pipelines can move to any through groove positions on the positioning plate through the transverse through grooves 5 and the longitudinal through grooves 6, so that the adaptation of fuel cells with different specifications and joint positions is realized.

The ends of the fuel gas pipe 8, the lead 9 and the air pipe 10 all penetrate through the transverse through groove 5 or the longitudinal through groove 6 and are connected with the respective interfaces 13, the interfaces 13 are arranged on the outer side so as to be convenient for being in butt joint with the fuel cell, when in butt joint, the interfaces 13 are moved to the corresponding positions according to the specification, the joint positions and the like of the fuel cell, after the fuel cell is fixed, the fuel cell is driven by the conveyor belt 2 to move to the test position, the electric push rod 3 is controlled by a control switch to uniformly move forwards, the positioning plate 4 is driven to move, and the interfaces 13 are driven to move to be in butt joint communication with the corresponding joints on the fuel cell.

The portions of the lines connected to the ports 13 are preferably rigid outer tubes, which avoid being deformed by compression during docking and being unable to be inserted automatically into the fuel cell connectors.

According to the preferred technical scheme, the positioning plate 4 is provided with the scale marks 7, a worker can determine the accurate fixed positions of the positioning plate according to the scale marks 7 when adjusting the positions of the interfaces 13, and the scale marks 7 can be provided with two transverse and longitudinal coordinate systems to form a coordinate system, so that the positioning plate is more convenient and quicker to move.

According to a further preferred technical scheme, the recording plate 23 for recording the joint coordinates of the batteries with different specifications is arranged on the side surface of the vertical plate of the test bench 1, and the specifications and the joint coordinates of the commonly used fuel batteries can be recorded on the recording plate, so that when the tested fuel batteries are replaced, a worker can quickly and conveniently check and adjust the fuel batteries according to the recorded coordinates, and the fuel batteries are more convenient to use.

According to the preferred technical scheme, the sliding ring 12 and the fixed ring 11 are magnetic blocks, the magnetism of the opposite side surfaces is opposite, namely, the sliding ring 12 and the fixed ring 11 are mutually attracted through magnetism, so that the sliding ring 12 and the fixed ring 11 are fixed on the positioning plate 4, a pipeline, an interface 13 thereof and the like are fixed at corresponding positions, when adjustment is needed, only the pipeline, the interface 13 or the sliding ring 12 and the like are pulled to enable the sliding ring 12 and the fixed ring 11 to move on the positioning plate 4, and after the hand is loosened, the pipeline is not easy to drop due to the magnetic attraction of the sliding ring 12 and the fixed ring 11, and the sliding ring is convenient to adjust and easy to operate.

Furthermore, the ends of the fuel gas pipe 8, the lead 9 and the air pipe 10, which are close to the interface 13, are respectively provided with a baffle ring 16 for limiting the sliding ring 12, so that the sliding ring 12 is prevented from sliding off the interface 13 to influence normal use.

According to the preferred technical scheme, the sliding ring 12 is uniformly provided with the protruding blocks 17 towards one side surface of the fixed ring 11, the positioning plate 4 is uniformly provided with the grooves corresponding to the protruding blocks 17 towards one side surface of the sliding ring 12, and the protruding blocks 17 are also clamped in the grooves when the sliding ring 12 is tightly attached to the positioning plate 4, so that the sliding ring 12 is not easy to move, the fixing degree of the positions of the pipeline and the interface 13 is improved, and the pipeline and the interface 13 are not easy to displace when being connected with a fuel cell connector and cannot be normally connected.

Alternatively, the protruding block 17 may be a truncated cone or a cone, and the shape of the groove matches with the protruding block, so that the protruding block 17 is easier to be clamped into the groove.

In the preferred technical scheme, the sealing sleeve 14 is fixedly arranged on the outer side surface of the interface 13, and after the interface 13 is in plug-in connection with a corresponding connector on the fuel cell, the sealing sleeve 14 is sealed on the outer side of the interface, so that the sealing performance of a connecting position can be improved.

Further, the diameter of the opening of the sealing sleeve 14 is larger than the inner diameter of the inner side of the sealing sleeve, so that the sealing sleeve 14 is more easily sleeved on the outer side of the joint.

Furthermore, the inner side surface of the sealing sleeve 14 is uniformly provided with a plurality of sealing rings 15, the sealing rings 15 can further improve the sealing performance, the air tightness is improved, and the possibility of air leakage in the testing process is reduced.

According to the preferred technical scheme, the sliding groove 19 is formed in the upper surface of the transverse plate of the test bench 1, the L-shaped baffle 20 used for fixing the battery is arranged in the sliding groove 19 in a sliding mode, the driving motor 21 is installed on the side surface of the transverse plate of the test bench 1, an output shaft of the driving motor 21 penetrates into the sliding groove 19 and is connected with the driving screw 22, the driving screw 22 is in threaded connection with a screw hole formed in the side surface of the baffle 20, the driving screw 22 is driven to rotate through the driving motor 21, the baffle 20 is enabled to move in the sliding groove 19, the position of the baffle 20 can be flexibly adjusted according to the specifications and the sizes of different fuel cells, and accordingly different fuel cells are fixed, and the fuel cells cannot move in the process of connecting a pipeline.

The driving motor 21 and the electric putter 3 are all electronic components commonly used in the prior art, and are electrically connected to an external control switch or controller (such as a PLC controller, etc.), and the specific structure and working principle thereof are well known and will not be described in detail herein.

As shown in fig. 6, the present utility model also provides another embodiment, which is substantially the same as the above embodiment, except that:

the spring 18 is arranged between the sliding ring 12 and the fixed ring 11, the spring 18 tightens the sliding ring 12 towards the direction of the fixed ring 11, namely, when the sliding ring 12 is not stressed by external force, the sliding ring is tightly attached to the positioning plate 4 by being tightened by the spring 18, when the interface position needs to be adjusted, the sliding ring 12 is pulled outwards, then all pipelines are moved, the sliding ring 12 is loosened after the sliding ring is moved to the corresponding position, and the sliding ring 12 can be reset under the tensile force of the spring 18 and tightly attached to the positioning plate 4, so that the interface position is fixed.

In this embodiment, the surface of the sliding ring 12 facing the fixed ring 11 is also uniformly provided with the protruding block 17, the surface of the positioning plate 4 facing the sliding ring 12 is uniformly provided with the groove corresponding to the protruding block 17, when the sliding ring 12 is closely attached to the positioning plate 4 under the tension of the spring 18, the protruding block 17 is clamped in the groove, so that the sliding ring 12 is not easy to displace, and the stability of the position fixing is ensured.

Claims (10)

1. The utility model provides a comprehensive testing mechanism for fuel cell activation test, includes the testboard, its characterized in that, the testboard includes the diaphragm and is located the riser of diaphragm one side, be equipped with the conveyer belt that is used for conveying the fuel cell that waits to test on the diaphragm, be equipped with vertical setting towards diaphragm one side on the riser, can follow the locating plate that the horizontal direction removed, install on the locating plate and be used for the fuel gas pipe, wire and the air tube that link to each other with the fuel cell that awaits measuring when examining, be equipped with a plurality of logical grooves on the locating plate, the tip of fuel gas pipe, wire and air tube is through the cooperation with logical groove respectively, can follow logical groove slip in order to adjust the positioning mechanism of position install on the locating plate.

2. The integrated test mechanism for fuel cell activation testing according to claim 1, wherein the riser is provided with an electric push rod for driving the positioning plate to move in the horizontal direction.

3. The integrated test mechanism for fuel cell activation testing according to claim 1, wherein the through slots comprise a plurality of lateral through slots arranged at intervals, and a longitudinal through slot for communicating with each lateral through slot.

4. The integrated test mechanism for fuel cell activation testing according to claim 1, wherein the positioning mechanism comprises a fixed ring and a sliding ring respectively positioned at both sides of the positioning plate, the fixed ring is fixedly sleeved with a fuel gas pipe, a wire or an air pipe, and the sliding ring is slidingly sleeved with the fuel gas pipe, the wire or the air pipe.

5. The integrated test mechanism for fuel cell activation testing according to claim 4, wherein the fixing ring and the sliding ring are at least partially magnetic blocks, and the opposite surfaces of the fixing ring and the sliding ring are magnetically opposite and can be attracted and fixed to each other.

6. The integrated test mechanism for fuel cell activation testing according to claim 4, wherein a spring is provided between the stationary ring and the sliding ring, passing through the through groove, for tensioning the sliding ring in the direction of the stationary ring.

7. The integrated test mechanism for fuel cell activation testing according to claim 4, wherein a plurality of protrusions are provided on a side surface of the sliding ring facing the positioning plate at intervals, and grooves corresponding to the protrusions are provided on the positioning plate.

8. The integrated testing mechanism for fuel cell activation testing according to claim 4, wherein the ends of the fuel gas pipe, the lead wire and the air pipe are respectively provided with an interface correspondingly connected with the fuel cell to be tested, the outer side surface of the interface is provided with a sealing sleeve, and the inner side surface of the sealing sleeve is provided with a plurality of sealing rings.

9. The integrated test mechanism for fuel cell activation testing according to claim 1, wherein the cross plate is provided with a chute on a side opposite to the positioning plate, and a shutter movable along the chute to adjust a distance from the positioning plate.

10. The integrated test mechanism for fuel cell activation testing according to claim 1, wherein the surface of the positioning plate is provided with graduation marks for indicating the position.