Low-ripple high-power hydrogen fuel cell

Abstract

The low-ripple high-power hydrogen fuel cell comprises a cell shell and a shell cover arranged at the upper end of the cell shell, inserting grooves are formed in the positions, close to the edges of the left side and the right side, of the lower end of the shell cover, connecting plates are arranged on the inner side walls of the inserting grooves in a sliding and inserting mode, and the lower ends of the connecting plates are fixed to the upper end of the cell shell. Wedge-shaped clamping grooves are formed in the opposite sides of the two connecting plates, sliding grooves are formed in the sides, opposite to the clamping grooves, of the interiors of the inserting grooves, sliding blocks are slidably connected to the inner side walls of the sliding grooves, and wedge-shaped clamping blocks are fixedly connected to the outer side walls of the sliding blocks; the end, away from the sliding block, of the clamping block penetrates through the sliding groove and slidably extends into the clamping groove, a storage groove is formed in the position, close to the center, in the shell cover, and a lead screw is arranged in the sliding groove. According to the utility model, the structure is easy to disassemble and assemble, the sealing effect is good, the maintainability is better, the maintenance and debugging of workers are facilitated, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen fuel cells, in particular to a low-ripple high-power hydrogen fuel cell. Background Art

[0002] Low-ripple high-power hydrogen fuel cells are energy conversion devices that are efficient, environmentally friendly, and have high energy density. It combines the high energy conversion efficiency and low emission characteristics of hydrogen fuel cells with the stability and reliability of low-ripple power supplies, so it has significant advantages in high-power application scenarios. Hydrogen fuel cells themselves generate electricity through the electrochemical reaction of hydrogen and oxygen. This process does not require combustion, so almost no pollutants are produced, and it has excellent environmental performance. At the same time, because the energy conversion efficiency of electrochemical reactions is much higher than that of traditional combustion processes, hydrogen fuel cells also have efficient energy utilization. Secondly, the design of the low-ripple power supply means that when this hydrogen fuel cell outputs electricity, the voltage and current fluctuations are very small, and it can provide a stable power supply.

[0003] At present, when disassembling and assembling low-ripple high-power hydrogen fuel cells on the market, multiple bolts need to be unscrewed one by one. The operation is cumbersome and inefficient, and it is not conducive to users to perform maintenance and repair work on the internal parts. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology and to propose a low ripple high-power hydrogen fuel cell.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A low-ripple high-power hydrogen fuel cell comprises a battery shell and a shell cover arranged at the upper end thereof, wherein slots are arranged at the lower end of the shell cover and near the left and right edges, a connecting plate is slidably inserted on the inner side wall of the slot, the lower end of the connecting plate is fixed to the upper end of the battery shell, and the two connecting plates are provided with a wedge-shaped card slot on the opposite side of the two connecting plates, a slide groove is arranged on the side opposite to the card slot in the slot, a slider is slidably connected to the inner side wall of the slide groove, a wedge-shaped card block is fixedly connected to the outer side wall of the slide groove, the end of the card block away from the slider penetrates the slide groove and slides into the card slot, a storage groove is arranged in the shell cover and near the center, a lead screw is arranged in the slide groove, and the lead screw One end of the rod passes through the slider, and the lead screw and the slider are threadedly connected, the other end of the lead screw passes through the shell cover and is fixedly connected to a worm gear, the lead screw and the shell cover are rotatably connected, the worm gear is located in the storage groove, the inner bottom of the storage groove is rotatably connected to a worm screw meshing with the worm gear, the inner top of the storage groove is rotatably connected to a movable disk, the lower end of the movable disk is provided with a circular groove, the upper end of the worm screw extends into the groove and is fixedly connected to a gear, the inner side wall of the groove is fixedly connected to a rack meshing with the gear, the rack is annularly arranged, the upper end of the movable disk is fixedly connected to a rotating rod, the upper end of the rotating rod passes through the shell cover, and the rotating rod and the shell cover are rotatably connected.

[0007] Preferably, a guide rod is provided in the slide groove, one end of the guide rod slides through the slider, and the other end of the guide rod is fixed to the inner wall of the slide groove.

[0008] Preferably, a support block is rotatably sleeved on the worm, and one end of the support block is fixed to the inner wall of the storage groove.

[0009] Preferably, an arc-shaped groove is provided at one end of the clamping block extending into the clamping slot, a ball is rollingly connected to the inner side wall of the arc-shaped groove, and part of the ball passes through the arc-shaped groove.

[0010] Preferably, a rudder-type handle is fixedly connected to the upper end of the rotating rod.

[0011] Preferably, a square rubber ring is fixedly connected to the upper end of the battery housing.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, the housing cover and the battery housing can be quickly disassembled and assembled by means of the setting of the rotating rod, the movable plate, the rack, the gear, the worm, the worm wheel, the lead screw, the slider, the clamping block and the connecting plate, so that the maintenance, inspection or debugging of the internal low-ripple high-power hydrogen fuel cell can be conveniently performed by the staff, and the convenience and efficiency are improved;

[0014] 2. The setting of the rubber ring can improve the sealing between the shell cover and the battery shell. The setting of the rudder-type handle can facilitate users to operate the turning rod, thereby further improving convenience. The structure of the utility model is easy to disassemble and assemble, has a good sealing effect, and has good maintainability and maintainability, which is convenient for staff to carry out maintenance and debugging, thereby improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a low-ripple high-power hydrogen fuel cell proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a shell cover of a low-ripple high-power hydrogen fuel cell proposed by the utility model;

[0017] Figure 3 This is a schematic structural diagram of location A of a low-ripple, high-power hydrogen fuel cell proposed in the utility model.

[0018] In the figure: 1-shell cover, 2-battery housing, 3-connecting plate, 4-rubber ring, 5-rudder type handle, 6-slider, 7-block, 8-guide rod, 9-screw, 10-worm gear, 11-worm, 12-support block, 13-gear, 14-movable disk, 15-rotating rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-3 A low-ripple high-power hydrogen fuel cell comprises a battery housing 2 and a housing cover 1 arranged at the upper end thereof, the upper end of the battery housing 2 is fixedly connected with a square rubber ring 4 for improving the sealing between the housing cover 1 and the battery housing 2, the lower end of the housing cover 1 and near the left and right edges are provided with slots, the inner side wall of the slot is slidably inserted with a connecting plate 3 for cooperating with a clamping block 7 to prevent the housing cover 1 from loosening, and the lower end of the connecting plate 3 is fixed to the upper end of the battery housing 2;

[0021] In this embodiment, a wedge-shaped card slot is provided on one side opposite to the two connecting plates 3, and a slide slot is provided on the side opposite to the card slot in the slot. A slider 6 is slidably connected to the inner side wall of the slide slot, which is used to drive the card block 7 to move. A wedge-shaped card block 7 is fixedly connected to the outer side wall of the slider 6, which is used to cooperate with the card slot to prevent the shell cover 1 from loosening. The end of the card block 7 away from the slider 6 passes through the slide slot and slides into the card slot. An arc groove is provided on the end of the card block 7 extending into the card slot. A ball is rollingly connected to the inner side wall of the arc groove, which is used to reduce the friction between the card block 7 and the inner side wall of the card slot. Part of the ball passes through the arc groove. A guide rod 8 is provided in the slide slot, which is used to keep the slider 6 moving in a straight line. One end of the guide rod 8 slides through the slider 6, and the other end of the guide rod 8 is fixed to the inner side wall of the slide slot.

[0022] In this embodiment, a storage groove is provided in the housing cover 1 and near the center. A lead screw 9 is provided in the slide groove for driving the slider 6 to move. One end of the lead screw 9 passes through the slider 6. The lead screw 9 and the slider 6 are threadedly connected. The other end of the lead screw 9 passes through the housing cover 1 and is fixedly connected with a worm gear 10 for driving the lead screw 9 to rotate. The lead screw 9 and the housing cover 1 are rotatably connected. The worm gear 10 is located in the storage groove.

[0023] In this embodiment, the inner bottom of the storage groove is rotatably connected to a worm 11 meshing with the worm wheel 10, which is used to drive the worm wheel 10 to rotate. A support block 12 is rotatably sleeved on the worm 11 to support the worm 11. One end of the support block 12 is fixed to the inner side wall of the storage groove. The inner top of the storage groove is rotatably connected to a movable disk 14 to drive the rack to rotate. The lower end of the movable disk 14 is provided with a circular groove. The upper end of the worm 11 extends into the groove and is fixedly connected to a gear 13 to drive the worm 11 to rotate.

[0024] In this embodiment, a rack meshing with the gear 13 is fixedly connected to the inner wall of the groove, which is used to drive the gear to rotate. The rack is arranged in a ring shape. A rotating rod 15 is fixedly connected to the upper end of the movable disk 14, which is used to drive the movable disk 14 to rotate. The upper end of the rotating rod 15 passes through the shell cover 1, and the rotating rod 15 and the shell cover 1 are rotatably connected. The upper end of the rotating rod 15 is fixedly connected to a rudder-type handle 5, which is used to facilitate the user to rotate the rotating rod 15.

[0025] In this embodiment, first, manually rotate the rudder handle 5 to drive the rotating rod 15 to rotate, and the rotating rod 15 drives the movable disk 14 to rotate, and the movable disk 14 drives the rack to rotate, and the rack drives the two gears 13 meshing with it to rotate, and the gear 13 drives the worm 11 to rotate, and the meshing effect of the worm 11 and the worm wheel 10 drives the lead screw 9 to rotate, and the lead screw 9 drives the slider 6 to move through the effect of threaded meshing, and drives the block 7 to move into and out of the slot through the slider 6 (the moving in and out is controlled by the forward and reverse rotation of the lead screw 9). When the block 7 moves into the slot, it will abut against the wedge surface in the slot, thereby pushing and squeezing the lower end of the shell cover 1 to fit tightly with the upper end of the battery shell 2, thereby improving the tightness between the shell cover 1 and the battery shell 2. When the block 7 is removed from the slot, at this time, the shell cover 1 can be manually lifted to remove it, which is convenient for users to perform maintenance, inspection or debugging operations on the low ripple high-power hydrogen fuel cell in the battery shell 2.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A low-ripple high-power hydrogen fuel cell, comprising a battery housing (2) and a housing cover (1) arranged at the upper end thereof, characterized in that: The lower end of the shell cover (1) and near the left and right side edges are provided with slots, and a connecting plate (3) is slidably inserted on the inner side wall of the slot. The lower end of the connecting plate (3) is fixed to the upper end of the battery shell (2), and the two connecting plates (3) are provided with a wedge-shaped card slot on the opposite side of the two connecting plates (3). A sliding groove is provided on the side opposite to the card slot in the slot, and a slider (6) is slidably connected to the inner side wall of the sliding groove. A wedge-shaped card block (7) is fixedly connected to the outer side wall of the slider (6), and the end of the card block (7) away from the slider (6) passes through the sliding groove and slides into the card slot. A storage groove is provided in the shell cover (1) and near the center. A lead screw (9) is provided in the sliding groove, and one end of the lead screw (9) passes through the slider (6). The lead screw (9) and the slider (6) are threadedly connected. The other end of the lever (9) passes through the shell cover (1) and is fixedly connected to a worm wheel (10); the lead screw (9) and the shell cover (1) are rotatably connected; the worm wheel (10) is located in the storage groove; the inner bottom of the storage groove is rotatably connected to a worm (11) meshing with the worm wheel (10); the inner top of the storage groove is rotatably connected to a movable disk (14); the lower end of the movable disk (14) is provided with a circular groove; the upper end of the worm (11) extends into the groove and is fixedly connected to a gear (13); the inner side wall of the groove is fixedly connected to a rack meshing with the gear (13); the rack is annularly arranged; the upper end of the movable disk (14) is fixedly connected to a rotating rod (15); the upper end of the rotating rod (15) passes through the shell cover (1); and the rotating rod (15) and the shell cover (1) are rotatably connected.

2. A low ripple high power hydrogen fuel cell according to claim 1, characterized in that: A guide rod (8) is provided in the slide groove, one end of the guide rod (8) slides through the slider (6), and the other end of the guide rod (8) is fixed to the inner wall of the slide groove.

3. A low ripple high power hydrogen fuel cell according to claim 1, characterized in that: A support block (12) is rotatably sleeved on the worm (11), and one end of the support block (12) is fixed to the inner side wall of the storage groove.

4. A low ripple high power hydrogen fuel cell according to claim 1, characterized in that: An arc-shaped groove is provided at one end of the clamping block (7) extending into the clamping groove, a ball is rollingly connected to the inner side wall of the arc-shaped groove, and a part of the ball passes through the arc-shaped groove.

5. A low ripple high power hydrogen fuel cell according to claim 1, characterized in that: The upper end of the rotating rod (15) is fixedly connected to a rudder-type handle (5).

6. A low ripple high power hydrogen fuel cell according to claim 1, characterized in that: A square rubber ring (4) is fixedly connected to the upper end of the battery housing (2).

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