Air-cooled proton exchange membrane fuel cell stack assembly positioning structure

Abstract

The application relates to the technical field of batteries, in particular to an air-cooled proton exchange membrane fuel cell stack assembling and positioning structure. The air-cooled proton exchange membrane fuel cell stack assembling and positioning structure comprises a base, the periphery of the base is provided with horizontally-slidable sliding plates, the end portions of the sliding plates are fixedly provided with mounting racks, the side walls of the mounting racks are fixedly provided with push plates, the top of the base is fixedly provided with an assembling seat, the top of the assembling seat is provided with horizontally-slidable clamping plates, the middle of the clamping plates is clamped with an end plate, the periphery of the end plate is fixedly provided with supporting rods, the outer portions of the supporting rods are sleeved with fuel cell electrode plates, the side walls of the base are fixedly provided with supporting columns, the inner portions of the supporting columns are provided with liftable and slidable sliding frames, the top of the sliding frame is fixedly provided with a pneumatic cylinder, the output end of the pneumatic cylinder is fixedly provided with a piston rod, and the bottom of the piston rod is fixedly provided with a pressing plate. The air-cooled proton exchange membrane fuel cell stack assembling and positioning structure can be quickly and stably installed, and the installation will not be dislocated and deviated, so that the assembling quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery, in particular to an air-cooled proton exchange membrane fuel cell stack assembly positioning structure. BACKGROUND

[0002] Fuel cell is a kind of chemical device that converts chemical energy of fuel into electric energy, also known as electrochemical generator, proton exchange membrane fuel cell has high energy conversion efficiency, high specific energy, low working temperature, environmental friendly, wide power application range, is one of ideal alternative energy for electronic products, electric vehicles and backup power supply.

[0003] Single proton exchange membrane fuel cell is usually composed of anode plate, anode gas diffusion layer, anode catalyst layer, proton exchange membrane, cathode catalyst layer, cathode gas diffusion layer and cathode plate, and the proton exchange membrane fuel cell stack is composed of a plurality of single cells stacked in series, which can provide different voltage and power.

[0004] When assembling the battery stack, the plurality of fuel cells are usually inserted into the insertion rod and embedded into the insertion hole by manual work, and then stacked on the end plate to complete the assembly, this assembly method is not only slow in efficiency, but also increases the labor intensity of the workers, and the end plate cannot be fixed in position during the stacking process, which causes sliding during the assembly process, reduces the stability of the assembly, and the plurality of exchange membrane fuel cells cannot be positioned and installed during manual assembly of the stack, which causes partial exchange membrane fuel cells to be misaligned and offset during stacking, reducing the assembly quality. SUMMARY

[0005] The present application provides an air-cooled proton exchange membrane fuel cell stack assembly positioning structure to solve the problem of the existing positioning structure being inconvenient to fix, causing sliding during stacking and assembly, reducing the stability of the assembly, and the problem of slow efficiency of manual assembly and easy misalignment and offset during assembly, reducing the assembly quality. To achieve the above purpose, the present application provides the following technical scheme: an air-cooled proton exchange membrane fuel cell stack assembly positioning structure, comprising a base, the periphery of the base is provided with a horizontally slidable sliding plate, the end of the sliding plate is fixed with a mounting frame, the side wall of the mounting frame is fixed with a push plate;

[0006] The top of the base is fixed with an assembly seat, the top of the assembly seat is provided with a horizontally slidable clamping plate, the middle of the clamping plate clamps an end plate, the periphery of the end plate is fixed with a support rod, and the outer part of the support rod is sleeved with a fuel cell electrode plate;

[0007] The side wall of the base is fixed with a support column, the inside of the support column is provided with a lifting and sliding slide, the top of the slide is fixed with a gas cylinder, the output end of the gas cylinder is fixed with a piston rod, and the bottom of the piston rod is fixed with a pressing plate.

[0008] Preferably, the bottom of the base is fixed with a support, the top of the support is fixed with a first motor, the output end of the first motor is fixedly connected with a transmission rod, the outside of the transmission rod is sleeved with a gear, the periphery of the gear is engaged with a toothed plate, one end of the toothed plate is fixedly provided with a spring, the spring is fixedly connected with the inner wall of the base, and the other end of the toothed plate is fixedly connected with a sliding plate.

[0009] Preferably, the four toothed plates are engaged with the gear, and the four toothed plates are connected with the base through the springs.

[0010] Preferably, the bottom of the assembling seat is fixedly provided with a second motor, the output end of the second motor is fixedly connected with a rotating rod, the outside of the rotating rod is sleeved with a rotating disc, the bottom of the rotating disc is rotatably connected with a fixed plate, the middle of the fixed plate is fixedly provided with a fixed rod, both ends of the rotating disc are hingedly connected with connecting rods, and the ends of the connecting rods are hingedly connected with sliding plates.

[0011] Preferably, the fixed plate is fixedly connected with the assembling seat, the two fixed rods are equidistantly arranged at both ends of the assembling seat, and the sliding plates are slidably sleeved with the fixed plate.

[0012] Preferably, the top of the assembling seat is provided with a sliding groove facilitating horizontal sliding of a clamping plate, the clamping plate is provided with two clamping plates, and the two clamping plates slide in the same direction.

[0013] Preferably, the periphery of the fuel cell electrode plate is provided with through holes facilitating sleeving with support rods, the top of both ends of the fuel cell electrode plate is provided with fastening holes, the bottom of both ends of the fuel cell electrode plate is fixedly provided with fastening rods, and the fastening rods coincide with the fastening holes.

[0014] Preferably, the bottom of the support column is fixedly provided with a third motor, the output end of the third motor is fixedly connected with a lead screw, the end of the lead screw is fixedly provided with a pulley, and the outside of the pulley is wound with a belt.

[0015] Preferably, the lead screw and the pulley are provided with two, the two pulleys are connected through the belt winding, the sliding frame is slidably sleeved with the lead screw, and the inside of the support column is provided with a groove facilitating horizontal sliding of the sliding frame.

[0016] Preferably, the pressing plate and the sliding frame are connected with an extension rod, and the pressing plate is in the same vertical plane as the fuel cell electrode plate.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] In the application, the first motor drives the transmission rod to rotate the gear, the gear plate around the gear is engaged and slides to stretch the spring, the sliding plate at the end of the gear plate slides horizontally in the base to drive the push plate installed through the mounting frame to push the fuel cell electrode plate around to align and position, so that the fuel cell electrode plate will not be misaligned during the subsequent assembly process, improving the assembly quality.

[0019] In the application, the second motor drives the rotating rod to rotate the rotating disc, the connecting rod at both ends is turned, and the sliding plate hinged at the end slides along the fixed rod, the clamping plate at the top of the sliding plate slides in the assembly seat sliding groove, so that the clamping plate is clamped and fixed on both ends of the end plate, so that the fuel cell electrode plate will not slide during the assembly process, improving the stability of the assembly.

[0020] In the application, the third motor drives the screw rod to rotate, the sliding frame outside the screw rod slides down and drives the pressing plate to slide down to the top of the fuel cell electrode plate, the cylinder drives the piston rod to slide down to extrude the fuel cell electrode plate, and the fastening rod at the bottom of the pressing plate is embedded in the fastening hole at the top of the fuel cell electrode plate, so that the fuel cell electrode plates are quickly and stably installed to form an electric pile, improving the assembly efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic diagram of the air-cooled proton exchange membrane fuel cell stack assembly positioning structure.

[0022] Figure 2 It is a whole isometric side structure schematic diagram of the air-cooled proton exchange membrane fuel cell stack assembly positioning structure.

[0023] Figure 3 It is a whole isometric side structure schematic diagram of the air-cooled proton exchange membrane fuel cell stack assembly positioning structure. Figure 2 In the application, the first motor drives the transmission rod to rotate the gear, the gear plate around the gear is engaged and slides to stretch the spring, the sliding plate at the end of the gear plate slides horizontally in the base to drive the push plate installed through the mounting frame to push the fuel cell electrode plate around to align and position, so that the fuel cell electrode plate will not be misaligned during the subsequent assembly process, improving the assembly quality.

[0024] Figure 4 It is a sliding plate, gear plate, base connection elevation structure schematic diagram of the air-cooled proton exchange membrane fuel cell stack assembly positioning structure.

[0025] Figure 5 It is a fuel cell electrode plate stack installation structure schematic diagram of the air-cooled proton exchange membrane fuel cell stack assembly positioning structure.

[0026] Figure 6 It is a fuel cell electrode plate stack installation structure schematic diagram of the air-cooled proton exchange membrane fuel cell stack assembly positioning structure. Figure 5 In the application, the first motor drives the transmission rod to rotate the gear, the gear plate around the gear is engaged and slides to stretch the spring, the sliding plate at the end of the gear plate slides horizontally in the base to drive the push plate installed through the mounting frame to push the fuel cell electrode plate around to align and position, so that the fuel cell electrode plate will not be misaligned during the subsequent assembly process, improving the assembly quality.

[0027] In the drawings:

[0028] 1, base; 2, slide plate; 21, support; 22, first motor; 23, transmission rod; 24, gear; 25, toothed plate; 26, spring; 3, mounting frame; 4, push plate; 5, assembly seat; 6, sliding groove; 7, clamping plate; 71, second motor; 72, rotating rod; 73, rotating disc; 74, fixed plate; 75, fixed rod; 76, connecting rod; 77, sliding plate; 8, end plate; 9, support rod; 10, fuel cell electrode plate; 11, through hole; 12, fastening hole; 13, fastening rod; 14, support column; 141, third motor; 142, screw rod; 143, pulley; 144, belt; 15, sliding frame; 16, air cylinder; 17, piston rod; 18, telescopic rod; 19, pressing plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0030] Please refer to Figures 1 to 6 The present application provides a technical solution: a positioning structure for assembling an air-cooled proton exchange membrane fuel cell stack, comprising a base 1, the periphery of the base 1 is provided with a horizontally slidable slide plate 2, the end of the slide plate 2 is fixed with a mounting frame 3, the side wall of the mounting frame 3 is fixed with a push plate 4;

[0031] The top of the base 1 is fixed with an assembly seat 5, the top of the assembly seat 5 is provided with a horizontally slidable clamping plate 7, the middle of the clamping plate 7 clamps an end plate 8, the periphery of the end plate 8 is fixed with a support rod 9, the outside of the support rod 9 is sleeved with a fuel cell electrode plate 10;

[0032] The side wall of the base 1 is fixed with a support column 14, the inside of the support column 14 is provided with a lifting and sliding sliding frame 15, the top of the sliding frame 15 is fixed with an air cylinder 16, the output end of the air cylinder 16 is fixed with a piston rod 17, the bottom of the piston rod 17 is fixed with a pressing plate 19.

[0033] In the present embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the bottom of the base 1 is fixed with a support 21, the top of the support 21 is fixed with a first motor 22, the output end of the first motor 22 is fixedly connected with a transmission rod 23, the outside of the transmission rod 23 is fixedly sleeved with a gear 24, the four around of the gear 24 is engaged with a toothed plate 25, one end of the toothed plate 25 is fixedly connected with a spring 26, the spring 26 is fixedly connected with the inner wall of the base 1, the other end of the toothed plate 25 is fixedly connected with the sliding plate 2.

[0034] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the toothed plate 25 is provided with four, four toothed plates 25 are engaged with the gear 24, four toothed plates 25 are connected between the gear 24 and the base 1 through the spring 26.

[0035] It should be noted that the toothed plate 25 is provided with four, which are engaged with the four around of the gear 24, the length of the gear 24 is equal to the length of two toothed plates 25 added together, so that the four toothed plates 25 are engaged at the same time during the rotation of the gear 24, so that the four toothed plates 25 slide horizontally at the same time, and the spring 26 is arranged between the toothed plate 25 and the base 1, which supports the toothed plate 25 through the spring 26, avoiding the toothed plate 25 from slipping and affecting the stability of use.

[0036] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the bottom of the assembling seat 5 is fixed with a second motor 71, the output end of the second motor 71 is fixedly connected with a rotating rod 72, the outside of the rotating rod 72 is fixedly sleeved with a rotating disc 73, the bottom of the rotating disc 73 is rotatably connected with a fixed plate 74, the middle of the fixed plate 74 is fixedly connected with a fixed rod 75, both ends of the rotating disc 73 are hingedly connected with a connecting rod 76, and the end of the connecting rod 76 is hingedly connected with a sliding plate 77.

[0037] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the fixed plate 74 is fixedly connected with the assembling seat 5, the fixed rod 75 is provided with two, the two fixed rods 75 are equally distributed at both ends of the assembling seat 5, and the sliding plate 77 is slidingly sleeved with the fixed plate 74.

[0038] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 andFigure 6 As shown in the drawings, the top of the assembly seat 5 is provided with a sliding groove 6 for facilitating the horizontal sliding of the clamping plates 7, and the clamping plates 7 are provided with two, which slide in the same direction between the two clamping plates 7.

[0039] It should be noted that the clamping plates 7 are provided with two, which are clamped in the sliding groove 6 at the top of the assembly seat 5, and the two clamping plates 7 slide inwards or outwards at the same time, so that the spacing between the clamping plates 7 can be adjusted to clamp end plates 8 of different sizes, thereby improving the applicability and avoiding the placement of end plates larger than the spacing.

[0040] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the fuel cell electrode plate 10 is provided with a through hole 11 around the periphery for facilitating the sleeve connection with the support rod 9, and the two ends of the fuel cell electrode plate 10 are provided with a fastening hole 12 at the top, and the two ends of the fuel cell electrode plate 10 are fixed with a fastening rod 13 at the bottom, and the fastening rod 13 coincides with the fastening hole 12.

[0041] It should be noted that the fastening hole 12 is provided on the surface of each fuel cell electrode plate 10, and the fastening rod 13 is installed at the bottom, and when assembling, the fastening rod 13 at the bottom of the fuel cell electrode plate 10 is inserted into the fastening hole 12 for clamping and fixing, so that multiple fuel cell electrode plates 10 are stably stacked to form an electric pile.

[0042] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the bottom of the support column 14 is fixed with a third motor 141, the output end of the third motor 141 is fixedly connected with a lead screw 142, the end of the lead screw 142 is fixed with a pulley 143, and the outside of the pulley 143 is wound with a belt 144.

[0043] In this embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the lead screw 142 and the pulley 143 are provided with two, the two pulleys 143 are connected by winding the belt 144, the carriage 15 is slidably connected with the lead screw 142, and the inside of the support column 14 is provided with a groove for facilitating the horizontal sliding of the carriage 15.

[0044] It needs to be explained that the top of the two lead screws 142 is equipped with a belt wheel 143, and the two belt wheels 143 are drivingly connected through a belt 144, when the third motor 141 at the bottom of the support column 14 drives the lead screw 142 to rotate, the belt wheel 143 at the top of the lead screw 142 rotates at the same time, and the outer belt 144 is driven in turn to drive the other belt wheel 143 to rotate, so that the two belt wheels 143 drive the lead screw 142 to rotate in turn and drive the carriage 15 sleeved outside the lead screw 142 to slide up and down, so that the carriage 15 slides up and down uniformly, and the stability during lifting is improved.

[0045] In this embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , the pressing plate 19 is connected with the carriage 15 through the telescopic rod 18, and the pressing plate 19 is in the same vertical plane as the fuel cell electrode plate 10.

[0046] It needs to be explained that the first motor 22, the second motor 71, the third motor 141 and the cylinder 16 adopt specific models and specifications, which need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it is not described in detail.

[0047] The use method and advantages of the application are as follows:

[0048] As shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 , first, the end plate 8 is placed on the assembling seat 5, and then it is fixed, the second motor 71 is started to drive the rotating rod 72 to rotate, the rotating disc 73 outside the rotating rod 72 rotates in turn, when the rotating disc 73 rotates, the connecting rods 76 at both ends of the rotating disc 73 rotate in turn, the sliding plate 77 hinged at the end of the connecting rod 76 slides along the fixed rod 75 under the force, so that the clamping plate 7 at the top of the sliding plate 77 slides in the sliding groove 6 in the assembling seat 5, so that the clamping plate 7 slides to the both ends of the end plate 8 to clamp and fix it, avoiding the end plate 8 from sliding during subsequent battery assembly and affecting subsequent operation, improving the stability during assembly.

[0049] Then manually put the fuel cell electrode plate 10 directly on the end plate 8, its four around the hole 11 embedded in the end plate 8 top support rod 9 outside, fuel cell plate set in the end plate 8 when not carded stable, at this time, start the first motor 22 drive transmission rod 23 driven gear 24 rotation, gear 24 rotation, its four around the tooth plate 25 with it meshing, tooth plate 25 sliding under stress and stretch spring 26, while the tooth plate 25 end of the slide plate 2 with the slide plate 2 end through the installation frame 3 installed push plate 4 with the fuel cell electrode plate 10 around the sliding fit, so that the fuel cell electrode plate 10 with the right positioning installation, so that the artificial in the process of assembly will not be misaligned, improve the assembly quality;

[0050] At the same time with the fuel cell electrode plate 10 right, start the third motor 141, the third motor 141 drive screw 142 rotation, screw 142 rotation, its end with the pulley 143 with the belt 144 transmission, so that the two screw 142 rotation, its outside of the slide 15 with the fuel cell electrode plate 10 above, then start the cylinder 16 drive piston rod 17 driven by the press plate 19 down, while the telescopic rod 18 telescopic, press plate 19 down will transfer the pressure to the fuel cell electrode plate 10, so that the fuel cell electrode plate 10 under pressure, its bottom of the fastening rod 13 embedded in the fuel cell electrode plate 10 top fastening hole 12, so that the stable installation of multiple fuel cell electrode plate 10 between the formation of the stack, so that the exchange membrane fuel cell stack group quickly assembled, improve the assembly efficiency.

[0051] The above shows and describes the basic principles of the present application, the main features and advantages of the present application. The technical staff of the industry should understand that the application is not limited to the above examples, the above examples and the description described in this paper is only the preferred example of the application, and is not intended to limit the application, without departing from the spirit and scope of the application, the application will have various changes and improvements, these changes and improvements are within the scope of the application claimed. The scope of the application is defined by the appended claims and their equivalents.

Claims

1. An air-cooled proton exchange membrane fuel cell stack assembly and positioning structure, comprising a base (1), characterized in that: The base (1) is provided with a horizontally sliding slide plate (2) around its perimeter. The end of the slide plate (2) is fixed with a mounting bracket (3), and the side wall of the mounting bracket (3) is fixed with a push plate (4). The base (1) is fixed with an assembly seat (5) at the top. The assembly seat (5) is provided with a horizontally sliding clamping plate (7) at the top. The clamping plate (7) clamps an end plate (8) in the middle. The end plate (8) is fixed with a support rod (9) around its perimeter. A fuel cell electrode plate (10) is sleeved on the outside of the support rod (9). The base (1) has a support column (14) fixed to its side wall. The support column (14) has a sliding carriage (15) that can be raised and lowered inside. The top of the carriage (15) is fixed with a cylinder (16). The output end of the cylinder (16) is fixed with a piston rod (17). The bottom of the piston rod (17) is fixed with a pressing plate (19).

2. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 1, characterized in that: The base (1) has a support (21) fixed at the bottom and a first motor (22) fixed at the top of the support (21). The output end of the first motor (22) is fixedly connected to a transmission rod (23). A gear (24) is fixedly sleeved on the outside of the transmission rod (23). A toothed plate (25) meshes around the gear (24). A spring (26) is fixed at one end of the toothed plate (25). The spring (26) is fixedly connected to the inner wall of the base (1). The other end of the toothed plate (25) is fixedly connected to the slide plate (2).

3. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 2, characterized in that: The toothed plates (25) are provided in four parts, and all four toothed plates (25) mesh with the gears (24). The four toothed plates (25) are connected to the base (1) by springs (26).

4. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 1, characterized in that: The bottom of the assembly base (5) is fixed with a second motor (71), the output end of the second motor (71) is fixedly connected with a rotating rod (72), the outside of the rotating rod (72) is fixedly sleeved with a turntable (73), the bottom of the turntable (73) is rotatably connected with a fixing plate (74), the middle of the fixing plate (74) is fixed with a fixing rod (75), the two ends of the turntable (73) are hinged with connecting rods (76), and the end of the connecting rod (76) is hinged with a sliding plate (77).

5. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 4, characterized in that: The fixing plate (74) is fixedly connected to the assembly base (5). There are two fixing rods (75), which are equally distributed at both ends of the assembly base (5). The sliding plate (77) is slidably sleeved with the fixing plate (74).

6. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 4, characterized in that: The top of the assembly base (5) is provided with a groove (6) to facilitate the horizontal sliding of the clamping plate (7). There are two clamping plates (7), and the two clamping plates (7) slide in the same direction.

7. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 1, characterized in that: The fuel cell electrode plate (10) has through holes (11) around its perimeter to facilitate connection with the support rod (9). The top of both ends of the fuel cell electrode plate (10) has fastening holes (12). The bottom of both ends of the fuel cell electrode plate (10) is fixed with fastening rods (13), and the fastening rods (13) coincide with the fastening holes (12).

8. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 1, characterized in that: A third motor (141) is fixed to the bottom of the support column (14), and a lead screw (142) is fixedly connected to the output end of the third motor (141). A pulley (143) is fixed to the end of the lead screw (142), and a belt (144) is wound around the outside of the pulley (143).

9. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 8, characterized in that: The lead screw (142) and pulleys (143) are provided in two. The two pulleys (143) are connected by a belt (144) winding together. The slide (15) is slidably sleeved with the lead screw (142). The inside of the support column (14) is provided with a groove to facilitate the horizontal sliding of the slide (15).

10. The air-cooled proton exchange membrane fuel cell stack assembly and positioning structure according to claim 1, characterized in that: A telescopic rod (18) is connected between the pressing plate (19) and the slide (15), and the pressing plate (19) is on the same vertical plane as the fuel cell electrode plate (10).

Images