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Bundling device for fuel cell stack

A technology for fuel cell stacks and strapping devices, which is applied to fuel cells, circuits, electrical components, etc., and can solve problems such as uneven fastening force and poor stability

Active Publication Date: 2020-02-07
WUHAN TROOWIN POWER SYST TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the embodiments of the present invention is to provide a binding device for fuel cell stacks, which overcomes the problem of poor stability of the binding device in the prior art and prone to uneven fastening force

Method used

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  • Bundling device for fuel cell stack
  • Bundling device for fuel cell stack
  • Bundling device for fuel cell stack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] The embodiment of the present invention proposes a bundling device for a fuel cell stack. Compared with other embodiments of the present invention, the embodiment of the present invention has its common core features, such as Pic 4-1 with Figure 4-2 As shown, it includes a drawstring 1 and a drawstring locking device 2, specifically:

[0088] The strap locking device 2 includes at least two threaded locking pieces 21 and a base 22, and the at least two threaded locking pieces 21 are arranged on the base 22 in a rotating shaft manner; Among them, it is preferable to use the belt locking device 2 composed of two locking parts 21. The reason is that it is difficult to synchronize, and the width of the belt 1 designed in this way can meet the requirements of most scenarios. According to experience , Utilize two locking parts 21 to form the strap locking device that can support the strap model with a width of 3-5cm. In the actual implementation process, application scena...

Embodiment 2

[0103] The proposal of the embodiment of the present invention is based on the structure of the base 22 proposed in Embodiment 1, which is respectively used to fix the second end 13 of the strap 1 and the structure of the first end 12 used to introduce the strap 1, and proposes a Specific and feasible implementation methods. It should be pointed out that the embodiment of the present invention is an example of a specific coupling structure between the belt 1 and the belt locking device 2 in the first embodiment. The content of each extension solution in Embodiment 1 is combined accordingly, and details will not be described later.

[0104] In the embodiment of the present invention, such as Figure 5-1 with Figure 5-2 As shown, on the side base 22 provided with the protrusion 223, after the corresponding bearing rod 23 is pushed into the chute 222, the bottom of the bearing rod 23 and the protrusion 223 are separated by an accommodation belt 1 The space height d2, so that ...

Embodiment 3

[0109] The proposal of the embodiment of the present invention is based on the structure of the base 22 proposed in Embodiment 1, which is respectively used to fix the second end 13 of the strap 1 and the structure of the first end 12 used to introduce the strap 1, and proposes a Specific and feasible implementation methods. It should be pointed out that the embodiment of the present invention is an example of a specific coupling structure between the belt 1 and the belt locking device 2 in the first embodiment. The content of each extension solution in Embodiment 1 is combined accordingly, and details will not be described later. Under a certain application scenario, the structure proposed in the embodiment of the present invention can have a more stable effect than that in the second embodiment.

[0110] Such as Figure 6-1 with Figure 6-2 shown, where Figure 6-1 It is the front view after the first locking member 211 and the belt 1 are hidden after being sectioned thr...

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Abstract

The invention relates to the technical field of fuel cell bundling and provides a bundling device for a fuel cell stack. The bridle locking device comprises at least two threaded locking pieces and abase, wherein the at least two threaded locking pieces are arranged on the base in a rotating shaft mode, screw hole tracks matched with the locking pieces with the threads in number are arranged at one end of a bridle, and a gap distance between the locking piece with the threads and the bottom of the base enables threads on the locking piece to couple with corresponding screw hole rails on the bridle when the bridle is inserted from one side of the base. The bridle locking device is advantaged in that a single bolt fixing mode is overcome, a problem that in the prior art, a binding belt is usually narrow, a large number of fastening belts are used in a fuel cell stack is solved, and problems that in the prior art, in the mode that a single binding belt is used for widening the binding belt, stress between bolts is uneven, and loosening is likely to happen can be solved.

Description

technical field [0001] The invention relates to the technical field of bundling of fuel cells, in particular to a bundling device for a fuel cell stack. Background technique [0002] A fuel cell is a power generation device that converts chemical energy in fuel directly into electrical energy through electrochemical reactions. However, the voltage and output power that a single fuel cell (or fuel cell unit) can provide is relatively low. In practical applications, generally a plurality of fuel cells are stacked together to form a fuel cell stack capable of providing high voltage and high power. Correspondingly, since the fuel cell stack of the fuel cell is formed by stacking a plurality of fuel cell cells, the fuel cell cells of the fuel cell stack must be firmly assembled to ensure the structural stability of the fuel cell stack. [0003] The fuel cell stacks of the existing fuel cells are mostly fixed by screws to fix the fuel cell cells of the fuel cell stack together. ...

Claims

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Application Information

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IPC IPC(8): H01M8/247H01M8/248H01M8/2404
CPCH01M8/247H01M8/248H01M8/2404Y02E60/50
Inventor 秦如学李骁
Owner WUHAN TROOWIN POWER SYST TECH
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