CN113948749B

CN113948749B - Hydrogen fuel cell stack integrated management system

Info

Publication number: CN113948749B
Application number: CN202111240797.9A
Authority: CN
Inventors: 曾建皇; 郑振; 杨丽君; 罗莎莎
Original assignee: Qindian Zhongke Guangzhou New Energy Equipment Co ltd
Current assignee: Qindian Zhongke Guangzhou New Energy Equipment Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2023-10-13
Anticipated expiration: 2041-10-25
Also published as: CN113948749A

Abstract

The invention discloses an integrated management system for a hydrogen fuel cell stack, which comprises a base and a stack arranged on the base, wherein protection plates are arranged on two sides of the stack, a clamping mechanism for clamping the stack and the protection plates on two sides is arranged on the base, a first conveying belt and a second conveying belt are arranged on one side of the base in parallel, a supporting frame is arranged on the outer side of the base, when four transmission rods are driven to rotate by a circular plate, the transmission rods drive connecting rings to move through cylinder sleeves, when the fixing strips are gradually tightly attached to the stack and the protection plates, the rectangle formed by the four connecting rings is gradually reduced, and the transmission rods move to the inner side of a chute through sliding blocks, so that the fixing strips are gradually clamped outside the stack and the two protection plates, and a binding body is formed after the stack and the two protection plates are clamped and limited by the fixing strips, so that the two ends of the stack are protected, and the outside is prevented from being bumped or the stack is damaged due to overhigh local pressure of the road.

Description

Hydrogen fuel cell stack integrated management system

Technical Field

The invention belongs to the technical field of cell stacks, and particularly relates to an integrated management system for a hydrogen fuel cell stack.

Background

The assembly technology of the fuel cell stack is to connect a plurality of single cells together in a stacking way by manpower to form the fuel cell stack, the assembly way consumes manpower, and the assembly speed is low, so that the requirement of mass production of the fuel cells can not be met.

To this end, application number CN202110060814.4 discloses an equipment of fuel cell pile, including workstation, guider, conveyor and two spacing jigs, two spacing jigs are placed in the workstation top at the interval, guider is located the side of two spacing jigs, and guider includes welding set and guide subassembly, the side of workstation is equipped with first conveyer belt and second conveyer belt respectively, conveyor erects on workstation, first conveyer belt and second conveyer belt, the side of second conveyer belt is equipped with feeding assembly. According to the invention, after two ends of a pile are limited by the two limiting jigs, the lower supporting plate and the upper supporting plate are sequentially arranged at the bottom and the top of the pile, and the pile is limited and protected by the upper supporting plate, the lower supporting plate, the two contact blocks and the four contact blocks, so that the stress area of the pile when being stressed is increased, and the pile is prevented from being damaged due to overhigh local pressure.

The technical solution proposed by the above document has certain advantages but still has the following problems: the limit protection area around the pile is smaller for the protection effect is limited, when the local pressure of the pile is extremely easy to be too high due to external impact or road jolt, the pile is damaged to generate gas leakage, in addition, due to the smaller stress area, the impact force is transferred to the pile, so that the local pressure is too high, and the pile is overheated and the explosion risk occurs.

Disclosure of Invention

The invention aims to provide an integrated management system for a hydrogen fuel cell stack, which is used for solving the problem that the hydrogen fuel cell stack is easy to damage due to small protection area and too high local pressure in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a hydrogen fuel cell pile integrated management system, includes the base and places the pile on the base, the both sides of pile are provided with the guard plate, be provided with the clamping mechanism that is used for pressing from both sides guard plate of pile on the base, one side parallel arrangement of base has first conveyer belt and second conveyer belt, the outside of base is provided with the support frame, the upper end of support frame is provided with electronic slide rail, sliding connection has electronic slider on the electronic slide rail, electronic slider's lower extreme fixedly connected with electric telescopic handle, electric telescopic handle's lower extreme fixedly connected with transport mechanism, place the tightening mechanism that is used for tightening pile and both sides guard plate on the base, the inboard of tightening mechanism is provided with four rectangular distribution's fixed bars, the top of first conveyer belt is provided with first U-shaped protection shell, the top of second conveyer belt is provided with the second U-shaped protection shell;

the conveying mechanism clamps the tightening mechanism and then rotates, so that four fixing strips shrink inwards and are clung to the outer walls of the clamped galvanic pile and the protection plates on two sides, a binding body is formed after reprocessing, the electric sliding block slides left and right on the electric sliding rail, the conveying mechanism clamps the binding body to be placed on the first U-shaped protection shell, the second U-shaped protection shell clamps the first U-shaped protection shell to be clamped and fixed after rotating, and the first U-shaped protection shell and the second U-shaped protection shell wrap the binding body to form a closed cube.

Preferably, the clamping mechanism comprises a fixed clamping plate and a movable clamping plate, the fixed clamping plate is fixed on the upper surface of the base, the movable clamping plate is arranged on the symmetry of the fixed clamping plate, the movable clamping plate is in sliding connection with the base, a threaded rod is connected to the outer wall of one side of the movable clamping plate in a rotating mode, a first fixing plate is fixedly connected to the base on the outer side of the movable clamping plate, the threaded rod is in threaded connection with the first fixing plate, a connecting plate is arranged on the outer side of the first fixing plate, the connecting plate is in sliding connection with the base, a first motor is fixedly installed on the connecting plate, the output end of the first motor is fixedly connected with the threaded rod, and two limiting grooves are formed in the upper surface symmetry of two sides of the base.

Preferably, the conveying mechanism comprises a second fixing plate, the second fixing plate is fixed at the lower end of the electric telescopic rod, a second motor is fixedly arranged at the bottom of the second fixing plate, and a mechanical claw is fixedly connected to the output end of the second motor.

Preferably, the tightening mechanism comprises a circular plate, the bottom of the circular plate is rotationally connected with an annular plate, limiting blocks which can be clamped with limiting grooves are fixedly connected to the bottom of two sides of the annular plate, the four fixing strips are arranged on the inner side of the annular plate, one end of each fixing strip is fixedly connected with a connecting ring, one side of each connecting ring is fixedly connected with a cylinder sleeve, and one end of each fixing strip is fixedly connected with the inner wall of the annular plate after passing through the connecting ring on the adjacent fixing strip.

Preferably, four annular distribution's spout has been seted up to the bottom surface of circular plate, the inside sliding connection of spout has the slider, the lower extreme fixedly connected with transfer line of slider, the lower extreme of transfer line vertically passes the barrel casing and carries out spacingly through the nut with transfer line threaded connection, four annular distribution's through-hole has been seted up on the circular plate, the upper surface central point of circular plate puts fixedly connected with rectangle piece.

Preferably, the clamping groove is formed in the inner side face of the bottom of the first U-shaped protective shell, and a clamping block which can be clamped with the clamping groove is fixedly connected to the bottom of the second U-shaped protective shell.

Compared with the prior battery pile assembly technology, the invention provides a hydrogen fuel battery pile integrated management system, which has the following beneficial effects:

1. when the four transmission rods are driven to rotate by the circular plate, the transmission rods drive the connecting rings to move through the cylinder sleeves, the rectangle formed by the four connecting rings is gradually reduced when the fixing strips are gradually tightly attached to the electric pile and the protection plates, the transmission rods move to the inner side of the sliding grooves through the sliding blocks, the fixing strips are further gradually hooped on the outer parts of the electric pile and the two protection plates, and the electric pile and the two protection plates are hooped and limited by the fixing strips to form a binding body, so that the two ends of the electric pile are protected, and the electric pile is prevented from being damaged due to external impact or over high local pressure of the electric pile due to road jolt;

2. according to the invention, the electric sliding block slides left and right on the electric sliding rail, the conveying mechanism clamps the binding body and places the binding body on the first U-shaped protective shell, the second U-shaped protective shell clamps the binding body to be clamped and fixed with the first U-shaped protective shell after rotating, a closed square body is formed by wrapping the binding body of the first U-shaped protective shell and the second U-shaped protective shell, and the binding body of the galvanic pile and the protection plate is wrapped, so that the protective effect is achieved, the impact force of an object transmitted to the galvanic pile is reduced, the stress area of the galvanic pile when the galvanic pile is stressed is increased, and the galvanic pile damage caused by overhigh local pressure is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the invention and do not constitute a limitation to the invention, and in which:

FIG. 1 is a schematic view of a three-dimensional structure of a hydrogen fuel cell stack assembly according to the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a base and a tightening mechanism according to the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a base according to the present invention;

FIG. 4 is a schematic top view of a three-dimensional structure of a tightening mechanism according to the present invention;

FIG. 5 is a schematic view of a three-dimensional cross-sectional structure of a tightening mechanism according to the present invention;

FIG. 6 is a schematic view of a three-dimensional structure of a fixing strip according to the present invention;

FIG. 7 is a schematic view of a three-dimensional structure of a cross section of a base and a tightening mechanism according to the present invention;

FIG. 8 is a schematic view of a three-dimensional cross-sectional structure of a conveying mechanism according to the present invention;

FIG. 9 is a schematic diagram of a three-dimensional structure of a first U-shaped protective shell according to the present invention;

FIG. 10 is a schematic diagram of a second U-shaped protective shell according to the present invention;

FIG. 11 is a schematic view showing a structure of a fixing strip before tightening according to the present invention;

FIG. 12 is a schematic view showing a structure of a fastening strip according to the present invention after tightening;

in the figure: 1. a base; 2. a fixed clamping plate; 3. a movable clamping plate; 4. a first motor; 5. a threaded rod; 6. a first fixing plate; 7. a connecting plate; 8. a galvanic pile; 9. a protection plate; 10. a limit groove; 11. a tightening mechanism; 12. an annular plate; 13. a limiting block; 14. a fixing strip; 15. a connecting ring; 16. a sleeve; 17. a transmission rod; 18. a slide block; 19. a circular plate; 20. a chute; 21. a through hole; 22. rectangular blocks; 23. a transport mechanism; 24. an electric telescopic rod; 25. a second fixing plate; 26. a second motor; 27. a mechanical claw; 28. an electric slide block; 29. an electric slide rail; 30. a support frame; 31. a first conveyor belt; 32. a first U-shaped protective shell; 33. a clamping groove; 34. a second conveyor belt; 35. a second U-shaped protective shell; 36. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-12, the present invention provides a technical solution: the utility model provides a hydrogen fuel cell pile integrated management system, including base 1 and place pile 8 on base 1, the both sides of pile 8 are provided with guard plate 9, be provided with the clamp mechanism that is used for pressing from both sides pile 8 and both sides guard plate 9 on the base 1, clamp mechanism includes fixed splint 2 and movable splint 3, fixed splint 2 fixes the upper surface at base 1, movable splint 3 sets up the symmetry at fixed splint 2, movable splint 3 and base 1 sliding connection, rotate on the one side outer wall of movable splint 3 and be connected with threaded rod 5, fixedly connected with first fixed plate 6 on the base 1 in the movable splint 3 outside, threaded rod 5 and first fixed plate 6 threaded connection, the outside of first fixed plate 6 is provided with connecting plate 7, connecting plate 7 and base 1 sliding connection, fixed mounting has first motor 4 on the connecting plate 7, the output and threaded rod 5 fixed connection of first motor 4, the output shaft rotates through the threaded relation of threaded rod 5 and first fixed plate 6 when accessible first motor 4 opens, simultaneously again under connecting plate 7 and base 1 sliding limit, make movable splint 3 also move to first side to the inboard simultaneously.

It should be noted that, a first conveying belt 31 and a second conveying belt 34 are arranged on one side of the base 1 in parallel, a supporting frame 30 is arranged on the outer side of the base 1, an electric sliding rail 29 is arranged at the upper end of the supporting frame 30, an electric sliding block 28 is connected to the electric sliding rail 29 in a sliding manner, an electric telescopic rod 24 is fixedly connected to the lower end of the electric sliding block 28, a conveying mechanism 23 is fixedly connected to the lower end of the electric telescopic rod 24, the conveying mechanism 23 comprises a second fixing plate 25, the second fixing plate 25 is fixed to the lower end of the electric telescopic rod 24, a second motor 26 is fixedly arranged at the bottom of the second fixing plate 25, a mechanical claw 27 is fixedly connected to the output end of the second motor 26, and the mechanical claw 27 can move on the electric sliding rail 29 freely through the electric sliding block 28, so that the mechanical claw 27 can move left and right after grabbing an object, and the object is taken and released by matching with the electric telescopic rod 24.

It is worth knowing that the base 1 is provided with the tightening mechanism 11 for tightening the galvanic pile 8 and the protection plates 9 on two sides, the inner side of the tightening mechanism 11 is provided with four rectangular distributed fixing strips 14, the tightening mechanism 11 comprises a circular plate 19, the bottom of the circular plate 19 is rotationally connected with an annular plate 12, two limit grooves 10 are symmetrically formed in the upper surfaces of two sides of the base 1, two limiting blocks 13 which can be clamped with the limit grooves 10 are fixedly connected to the bottom surfaces of two sides of the annular plate 12, the four fixing strips 14 are all arranged on the inner side of the annular plate 12, one end of each fixing strip 14 is fixedly connected with a connecting ring 15, one side of each connecting ring 15 is fixedly connected with a cylinder sleeve 16, and one end of each fixing strip 14 passes through the connecting ring 15 on the adjacent fixing strips 14 and then is fixedly connected with the inner wall of the annular plate 12.

It should be noted that four sliding grooves 20 which are distributed in a ring shape are formed in the bottom surface of the circular plate 19, sliding blocks 18 are connected in the sliding manner in the sliding grooves 20, a transmission rod 17 is fixedly connected to the lower ends of the sliding blocks 18, the lower ends of the transmission rod 17 vertically penetrate through the cylinder sleeve 16 and are limited by nuts which are in threaded connection with the transmission rod 17 (not shown in the nut diagram), the cylinder sleeve 16 can be prevented from slipping off the transmission rod 17, four through holes 21 which are distributed in a ring shape are formed in the circular plate 19, and rectangular blocks 22 are fixedly connected to the center of the upper surface of the circular plate 19.

It is worth noting that the first U-shaped protecting shell 32 is arranged above the first conveying belt 31, the second U-shaped protecting shell 35 is arranged above the second conveying belt 34, the clamping groove 33 is formed in the inner side surface of the bottom of the first U-shaped protecting shell 32, the clamping block 36 which can be clamped with the clamping groove 33 is fixedly connected to the bottom of the second U-shaped protecting shell 35, the second U-shaped protecting shell 35 can be buckled in the clamping groove 33 of the first U-shaped protecting shell 32 through the clamping block 36, a closed cube is formed by the first U-shaped protecting shell 32 and the second U-shaped protecting shell 35, and the binding body of the galvanic pile 8 and the protecting plate 9 is wrapped to play a role in protection.

Further, the clamping and tightening mechanism 11 is clamped by the conveying mechanism 23 and then rotated, so that the four fixing strips 14 shrink inwards and are tightly attached to the outer walls of the clamping electric pile 8 and the protection plates 9 on two sides, a binding body is formed after reprocessing, the binding body is clamped and placed on the first U-shaped protection shell 32 by the conveying mechanism 23 by sliding the electric sliding block 28 left and right on the electric sliding rail 29, the second U-shaped protection shell 35 is clamped and fixed with the first U-shaped protection shell 32 after rotating, and a closed cube is formed by wrapping the binding body by the first U-shaped protection shell 32 and the second U-shaped protection shell 35.

The working principle and the using flow of the invention are as follows: when the movable clamping plate is used, the electric pile 8 is placed on the inner side of the fixed clamping plate 2, the protection plates 9 are placed on the two sides of the electric pile 8, the first motor 4 is started, the first motor 4 drives the threaded rod 5 to rotate through the output shaft, the threaded rod 5 is connected with the threads of the first fixed plate 6, meanwhile, under the sliding limit of the connecting plate 7 and the base 1, the movable clamping plate 3 moves inwards, the first motor 4 also moves inwards, the movable clamping plate 3 moves inwards, the electric pile 8 and the two protection plates 9 are limited and fixed under the cooperation of the fixed clamping plate 2 (shown in fig. 2), and after the movable clamping plate 3 moves inwards for a certain distance, the first motor 4 is closed;

then the tightening mechanism 11 is placed on the base 1, the annular plate 12 is clamped in the limiting groove 10 through the limiting block 13 (as shown in fig. 1), at the moment, the four fixing strips 14 are positioned on the outer side of the electric pile 8 (as shown in fig. 7), then the electric telescopic rod 24 is started to drive the mechanical claw 27 to move downwards, the electric telescopic rod 24 is closed when the mechanical claw 27 moves to a position capable of clamping the rectangular block 22, then the mechanical claw 27 is started to enable the two clamping claws to move inwards and clamp two sides of the rectangular block 22, then the second motor 26 is started to drive the mechanical claw 27 to rotate, the mechanical claw 27 drives the circular plate 19 to rotate through the rectangular block 22, and the circular plate 19 drives the four transmission rods 17 at the bottom to rotate;

the movement process of the fixing bar 14 is then understood with reference to fig. 11 and 12: fig. 11 and 12 are schematic top views of the fixing bar 14 and the electric pile 8, wherein the rectangle at the center of the circle represents the electric pile 8 and the protection plate 9, four straight lines represent the fixing bar 14, and four small circles represent the connection rings 15. Fig. 11 is a schematic view showing a state before tightening the fixing bar 14, and fig. 12 is a schematic view showing a state after tightening the fixing bar 14. When the circular plate 19 drives the four transmission rods 17 to rotate, the transmission rods 17 drive the connecting rings 15 to move through the cylinder sleeves 16, when the fixing strips 14 are gradually attached to the galvanic pile 8 and the protection plate 9, the rectangles formed by the four connecting rings 15 are gradually reduced, the transmission rods 17 move to the inner sides of the sliding grooves 20 through the sliding blocks 18, the second motor 26 is turned off at a certain angle after the circular plate 19 rotates, and at the moment, the fixing strips 14 are finally converted into a hooped state from a hooped state. Then, an external welding device is introduced into the annular plate 12 through the through hole 21, and the connecting ring 15 and the sliding connection part of the fixing strip 14 and the connecting ring 15 are welded on the outer side of the galvanic pile 8 or the protection plate 9. The redundant fixing strips 14 and the sleeve 16 outside the connecting ring 15 are then cut off by an external cutting device. Finally, the whole tightening mechanism 11 is removed from the base 1. A spring may also be provided in the chute 20 for urging the drive rod 17 towards the edge of the circular plate 19.

The first motor 4 is started to reverse to move the movable clamp plate 3 to the outside. The electric telescopic rod 24 is started to drive the mechanical claw 27 to move downwards, the binding body of the electric pile 8 and the protection plate 9 is clamped by the mechanical claw 27, the binding body of the electric pile 8 and the protection plate 9 is driven to move rightwards by the electric sliding block 28, and finally the electric pile is placed at the bottom end of the inner side of the first U-shaped protection shell 32. Then, the mechanical claw 27 moves rightwards, after the second U-shaped protective shell 35 is clamped, the second U-shaped protective shell 35 is driven by the second motor 26 to rotate 90 degrees, and then moves leftwards, so that the second U-shaped protective shell 35 is finally buckled in the clamping groove 33 of the first U-shaped protective shell 32 through the clamping block 36. The first U-shaped protective shell 32 and the second U-shaped protective shell 35 form a closed cube, and the binding body of the galvanic pile 8 and the protection plate 9 is wrapped for protection.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a hydrogen cell pile integrated management system, includes base (1) and places pile (8) on base (1), the both sides of pile (8) are provided with guard plate (9), be provided with the clamping mechanism that is used for pressing from both sides to pile (8) and both sides guard plate (9) on base (1), one side parallel arrangement of base (1) has first conveyer belt (31) and second conveyer belt (34), the outside of base (1) is provided with support frame (30), the upper end of support frame (30) is provided with electronic slide rail (29), sliding connection has electronic slider (28) on electronic slide rail (29), the lower extreme fixedly connected with electric telescopic handle (24) of electronic slider (28), the lower extreme fixedly connected with transport mechanism (23) of electric telescopic handle (24), its characterized in that: the base (1) is provided with a tightening mechanism (11) for tightening the galvanic pile (8) and the protection plates (9) on two sides, four fixing strips (14) which are distributed in a rectangular mode are arranged on the inner side of the tightening mechanism (11), a first U-shaped protection shell (32) is arranged above the first conveying belt (31), and a second U-shaped protection shell (35) is arranged above the second conveying belt (34);

the conveying mechanism (23) clamps the tightening mechanism (11) and then rotates, so that the four fixing strips (14) shrink inwards and are tightly attached to the outer walls of the clamping galvanic pile (8) and the protection plates (9) on the two sides, a binding body is formed after reprocessing, the binding body is clamped by the conveying mechanism (23) and placed on the first U-shaped protection shell (32) through the electric sliding block (28) in a left-right sliding mode on the electric sliding rail (29), the second U-shaped protection shell (35) is clamped and clamped with the first U-shaped protection shell (32) after rotating, and a closed square body is formed by wrapping the binding body by the first U-shaped protection shell (32) and the second U-shaped protection shell (35);

the clamping mechanism comprises a fixed clamping plate (2) and a movable clamping plate (3), wherein the fixed clamping plate (2) is fixed on the upper surface of a base (1), the movable clamping plate (3) is arranged on the symmetry of the fixed clamping plate (2), the movable clamping plate (3) is in sliding connection with the base (1), a threaded rod (5) is rotationally connected to the outer wall of one side of the movable clamping plate (3), a first fixed plate (6) is fixedly connected to the base (1) on the outer side of the movable clamping plate (3), the threaded rod (5) is in threaded connection with the first fixed plate (6), a connecting plate (7) is arranged on the outer side of the first fixed plate (6), the connecting plate (7) is in sliding connection with the base (1), a first motor (4) is fixedly installed on the connecting plate (7), and two limit grooves (10) are symmetrically formed in the upper surfaces of two sides of the base (1).

The tightening mechanism (11) comprises a circular plate (19), the bottom of the circular plate (19) is rotationally connected with an annular plate (12), limiting blocks (13) which can be clamped with limiting grooves (10) are fixedly connected to the bottom surfaces of two sides of the annular plate (12), four fixing strips (14) are arranged on the inner side of the annular plate (12), one end of each fixing strip (14) is fixedly connected with a connecting ring (15), one side of each connecting ring (15) is fixedly connected with a cylinder sleeve (16), and one end of each fixing strip (14) is fixedly connected with the inner wall of the annular plate (12) after penetrating through the connecting ring (15) on the adjacent fixing strip (14);

four annular distributed sliding grooves (20) are formed in the bottom surface of the circular plate (19), sliding blocks (18) are connected to the inner portions of the sliding grooves (20) in a sliding mode, transmission rods (17) are fixedly connected to the lower ends of the sliding blocks (18), the lower ends of the transmission rods (17) vertically penetrate through cylinder sleeves (16) and are limited through nuts in threaded connection with the transmission rods (17), four annular distributed through holes (21) are formed in the circular plate (19), and rectangular blocks (22) are fixedly connected to the center of the upper surface of the circular plate (19).

2. The hydrogen fuel cell stack integrated management system according to claim 1, wherein: the conveying mechanism (23) comprises a second fixing plate (25), the second fixing plate (25) is fixed at the lower end of the electric telescopic rod (24), a second motor (26) is fixedly arranged at the bottom of the second fixing plate (25), and a mechanical claw (27) is fixedly connected with the output end of the second motor (26).

3. The hydrogen fuel cell stack integrated management system according to claim 1, wherein: clamping grooves (33) are formed in the inner side face of the bottom of the first U-shaped protective shell (32), and clamping blocks (36) capable of being clamped with the clamping grooves (33) are fixedly connected to the bottom of the second U-shaped protective shell (35).