CN221102152U

CN221102152U - Pile mounting structure of fuel cell and cogeneration system

Info

Publication number: CN221102152U
Application number: CN202322406039.0U
Authority: CN
Inventors: 李桓; 曹桂军; 付苏明; 王亮
Original assignee: Shenzhen Hynovation Technologies Co ltd
Current assignee: Shenzhen Hynovation Technologies Co ltd
Filing date: 2023-09-04
Publication date: 2024-06-07
Anticipated expiration: 2033-09-04

Abstract

The utility model discloses a pile mounting structure of a fuel cell and a cogeneration system, wherein the pile mounting structure of the fuel cell comprises a main frame, a water collecting disc, a plurality of pile mounting brackets and an insulating base plate; the water collecting tray is arranged at the bottom of the main frame and is provided with a water collecting cavity with an open top, one side of the water collecting tray is provided with a water outlet communicated with the water collecting cavity, and a drain pipe is inserted at the water outlet; the plurality of galvanic pile mounting brackets are distributed on two opposite sides of the water collecting disc; the insulating base plate is erected above the water collecting disc, and a water diversion groove communicated with the water collecting cavity is formed between the insulating base plate and the water collecting disc. According to the utility model, the single galvanic pile is arranged above the water collecting disc, when a certain single galvanic pile in the multi-galvanic pile system is damaged and leaks, the leaked liquid flows into the water collecting cavity from the opening at the top of the water collecting disc through the water diversion groove formed between the insulating base plate and the water collecting disc, so that the leaked liquid of the single galvanic pile is collected, and the leaked liquid is prevented from damaging other galvanic piles or other parts of the system.

Description

Pile mounting structure of fuel cell and cogeneration system

Technical Field

The utility model relates to the technical field of fuel cells, in particular to a pile mounting structure of a fuel cell and a cogeneration system.

Background

The fuel cell is a chemical device for directly converting chemical energy of fuel into electric energy, has the advantages of high efficiency, green and clean, and is the most development prospect of the current power generation technology.

In the related art, since the power of a single electric pile cannot meet the high power requirement of cogeneration, a plurality of electric piles are required to be connected in series and parallel, and each single electric pile is formed by stacking tens to hundreds of bipolar plates.

However, when a single pile in the multi-pile system is damaged, the damaged single pile is easy to generate a leakage phenomenon, and other piles or other parts of the system are damaged.

Disclosure of utility model

The main purpose of the utility model is that: the utility model provides a fuel cell's pile mounting structure and cogeneration system, aims at solving the weeping that single pile produced among the prior art, has the technical problem of damaging other piles or the risk of other spare parts of system.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the present utility model provides a stack mounting structure of a fuel cell, comprising:

A main frame;

The water collecting tray is arranged at the bottom of the main frame and is provided with a water collecting cavity with an open top, a water outlet communicated with the water collecting cavity is formed at one side of the water collecting tray, a water drain pipe is inserted at the water outlet, and the water drain pipe penetrates through the bottom of the main frame;

the pile installation brackets are distributed on two opposite sides of the water collecting disc, and the bottom ends of the pile installation brackets are connected with the main frame;

the insulating base plate is arranged above the water collecting disc in a supporting mode, and a water diversion groove communicated with the water collecting cavity is formed between the insulating base plate and the water collecting disc.

Optionally, in the above fuel cell stack installation structure, the insulating base plate is provided with a water inlet penetrating through the insulating base plate, the water inlet is located above the water collecting cavity and is communicated with the water collecting cavity, and the water diversion groove is surrounded on the periphery of the water inlet.

Optionally, in the above-mentioned fuel cell stack mounting structure, a plurality of reinforcing ribs are disposed on the insulating backing plate at positions close to the water inlet, and the plurality of reinforcing ribs are distributed on two opposite sides of the water running port.

Optionally, in the above fuel cell stack installation structure, the main frame includes a bottom frame and two mullions, the bottom frame is rectangular structure, the bottom frame, two mullions and a plurality of pile installing support surround to form the installation cavity that is used for installing fuel cell stack, water collecting tray install in the bottom frame and set up in the installation cavity.

Optionally, in the above-mentioned fuel cell stack installation structure, the pile installing support extends to its top along vertical direction and is close to the top of mullion, pile installing support deviates from one side of installation cavity is formed with a plurality of vertical interval setting's mounting groove, the notch of mounting groove outwards, just the mounting groove with the tank bottom wall that the notch set up relatively is formed with the mounting hole that is used for installing fuel cell.

Optionally, in the above fuel cell stack mounting structure, a hanging ring is detachably connected to a top end of the stack mounting bracket.

Optionally, in the above fuel cell stack mounting structure, a fixing base is mounted on the bottom frame, and the fixing base is used for being connected with an external cell voltage detector.

Optionally, in the above-mentioned fuel cell stack mounting structure, a wire harness fixing bracket is mounted on one of the mullions.

Optionally, in the above-mentioned fuel cell stack mounting structure, a copper bar fixing bracket is mounted on the other mullion.

In a second aspect, the present utility model provides a cogeneration system comprising a plurality of fuel cell stack mounting structures as described above, the plurality of fuel cell stack mounting structures being arranged in a stack.

The one or more technical schemes provided by the utility model can have the following advantages or at least realize the following technical effects:

According to the pile installation structure and the cogeneration system of the fuel cell, the single pile is installed above the water collecting tray, when a certain single pile in the multi-pile system is damaged and leaks, the leaked liquid flows into the water collecting cavity formed between the insulating base plate and the water collecting tray through the water diversion groove formed between the insulating base plate and the water collecting tray, so that the leaked liquid of the single pile is collected, the risk that other piles or other parts of the system are damaged by the leaked liquid is avoided, the single pile is installed on the main frame through the pile installation support, the single pile is separated from the main frame and the water collecting tray through the insulating partition plate, the insulating performance of the pile is guaranteed, and when the damaged single pile is maintained, the damaged single pile is removed from the pile installation support without disassembling and replacing the whole multi-pile system, so that the maintenance efficiency of the multi-pile system is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the drawings provided without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a cell stack mounting structure of a fuel cell of the present utility model;

fig. 2 is a schematic view of the structure of the cogeneration system of the utility model.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Main frame	200	Water collecting tray
300	Pile mounting bracket	400	Insulating backing plate
				410	Water diversion trough	420	Water inlet
430	Reinforcing rib	110	Bottom frame
				120	Mullion	310	Mounting groove
320	Lifting ring

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed.

In the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be either a fixed connection or a removable connection or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; the communication between the two elements can be realized, or the interaction relationship between the two elements can be realized.

In the present utility model, if there is a description referring to "first", "second", etc., the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In the present utility model, suffixes such as "module", "assembly", "piece", "part" or "unit" used for representing elements are used only for facilitating the description of the present utility model, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.

The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In addition, the technical solutions of the embodiments may be combined with each other, but on the basis of the fact that those skilled in the art can realize the technical solutions, when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered to be absent and not within the scope of protection claimed by the present utility model.

The inventive concept of the present utility model is further elucidated below in connection with some embodiments.

The utility model provides a pile mounting structure of a fuel cell and a cogeneration system.

Referring to fig. 1, fig. 1 is a schematic structural view of a stack mounting structure of a fuel cell of the present utility model.

In one embodiment of the present utility model, as shown in fig. 1, a stack mounting structure of a fuel cell includes a main frame 100, a water collecting tray 200, a plurality of stack mounting brackets 300, and an insulating mat 400; the water collecting tray 200 is arranged at the bottom of the main frame 100, the water collecting tray 200 is provided with a water collecting cavity with an open top, a water outlet communicated with the water collecting cavity is formed at one side of the water collecting tray 200, a water outlet pipe 210 is inserted at the water outlet, and the water outlet pipe 210 penetrates through the bottom of the main frame 100; the plurality of pile mounting brackets 300 are distributed on two opposite sides of the water collecting tray 200, and the bottom end of each pile mounting bracket 300 is connected to the main frame 100; the insulating base plate 400 is erected above the water collecting tray 200, and a water diversion groove 410 communicated with the water collecting cavity is formed between the insulating base plate 400 and the water collecting tray 200.

It should be noted that, the main frame 100 may be formed by square-way welding in the prior art, and the main frame 100 has a rectangular frame structure for accommodating a single stack in the multi-stack system; the multi-stack system includes a plurality of main frames 100, and only a single stack in the multi-stack system is provided in each main frame 100.

It should be understood that: the single electric pile is installed on the main frame 100 through the electric pile installation bracket 300, the water collecting tray 200 is welded at the bottom of the main frame 100, each single electric pile is isolated by the insulating partition plate and the water collecting tray 200 and the main frame 100, the single electric pile is prevented from being directly contacted with the main frame 100 or the water collecting tray 200, so that the insulating performance of the electric pile is ensured, when a certain single electric pile is damaged and leaks, the leakage generated by the single electric pile flows into the water collecting cavity of the water collecting tray 200 from the opening at the top of the water collecting tray 200 through the water diversion groove 410 formed between the insulating base plate 400 and the water collecting tray 200 under the action of gravity, so that the leakage of the single electric pile is collected, and when the damaged single electric pile is maintained, the leakage in the water collecting tray 200 is discharged out of the water collecting tray 200 through the drain pipe 210 communicated with the water collecting cavity, and then the leakage of the single electric pile is treated, so that the leakage generated by the damaged single electric pile is prevented from damaging other electric piles or other parts of the system.

According to the technical scheme, when a single pile in a multi-pile system is damaged and leaks, the leakage flows into a water collecting cavity formed by an insulation base plate 400 and the water collecting disc 200 through a water diversion groove 410 formed between the insulation base plate 400 and the water collecting disc 200, so that the leakage of the single pile is collected, the risk that other piles or other parts of the system are damaged by the leakage is avoided, the single pile is mounted on the main frame 100 through the pile mounting bracket 300, the single pile is separated from the main frame 100 and the water collecting disc 200 through the insulation baffle plate, the insulation performance of the pile is guaranteed, and when the damaged single pile is maintained, the damaged single pile is removed from the pile mounting bracket 300, the whole multi-pile system is not required to be disassembled and replaced, and the maintenance efficiency of the multi-pile system is improved.

Further, the insulating pad 400 is provided with a water inlet 420 penetrating through the insulating pad 400, the water inlet 420 is located above the water collecting cavity and is communicated with the water collecting cavity, and the water diversion groove 410 is surrounded on the periphery of the water inlet 420.

It should be noted that, the insulating pad 400 may be made of non-metal, and is used for carrying a single electric pile to ensure the insulating performance of the electric pile, and foam is adhered on the insulating pad, so as to eliminate the installation and processing errors between the electric pile installing support 300 and the insulating pad 400, and make the single electric pile in a horizontal state.

It should be understood that, in order to improve the water collection efficiency of the water collection tray 200, a water inlet 420 is formed at the center of the orthographic projection of the insulating base plate 400 on the water collection tray 200, when a single pile in the multi-pile system is damaged and leaks, the leaked liquid flows into the water collection cavity of the single pile through the water guide slot 410 formed between the insulating base plate 400 and the water collection tray 200 and the water inlet 420 on the insulating base plate 400, so as to collect the leaked liquid of the single pile, avoid the leaked liquid from damaging other piles or other parts of the system, and quickly guide the leaked liquid into the water collection cavity of the water collection tray 200, thereby preventing the hidden safety hazard caused by long-term soaking of the damaged single pile by the leaked liquid.

Further, a plurality of reinforcing ribs 430 are disposed on the insulating base plate 400 near the water inlet 420, and the plurality of reinforcing ribs 430 are distributed on two opposite sides of the water gap.

It should be noted that, the reinforcing rib 430 may be made of non-metal to ensure the insulation performance of the single galvanic pile.

It should be understood that the reinforcing ribs 430 are also provided on the insulating mat 400 to match the positions of the water inlets 420 in order to increase the structural strength of the insulating mat 400 itself to support the single cell stack thereon.

Further, the main frame 100 includes a bottom frame 110 and two mullions 120, the bottom frame 110 is in a rectangular structure, the bottom frame 110, the two mullions 120, and the plurality of stack mounting brackets 300 surround to form a mounting cavity for mounting the stacks of the fuel cells, and the water collecting tray 200 is mounted on the bottom frame 110 and is disposed in the mounting cavity.

It should be noted that, the bottom frame 110 and the two vertical frames 120 thereon provide stable assembly conditions for the single electric pile, and the single electric pile is installed in the installation cavity through the electric pile installation bracket 300 on the bottom frame 110, so that the structural stability of the single electric pile in use is ensured, and the structural stability of the multi-electric pile system is ensured, and the normal use of the multi-electric pile system is ensured.

Further, the pile mounting bracket 300 extends vertically to a top end thereof close to the top end of the mullion 120, a plurality of mounting grooves 310 are formed at a side of the pile mounting bracket 300 facing away from the mounting cavity, the notches of the mounting grooves 310 face outwards, and the groove bottom walls of the mounting grooves 310 and the notches are arranged opposite to each other, so that mounting holes for mounting the fuel cell are formed.

It should be noted that, since the pile is formed by stacking tens or even hundreds of bipolar plates, the pile length tolerance is larger, the single pile is installed by adjusting the connection distance between the pile installing support 300 and the bottom frame 110 and using the installing slot 310, so that the position between the pile installing support 300 and the single pile is adjustable, the adjustment and the installation of the single pile are facilitated, the disassembly and assembly efficiency of the single pile is improved, and the installation effect of the single pile is ensured.

Further, a hanging ring 320 is detachably connected to the top end of the stack mounting bracket 300.

It should be noted that, the hanging ring 320 may be connected to the top end of the pile mounting bracket 300 through a threaded connection, and the hanging ring 320 is installed in a gap between the top end of the pile mounting bracket 300 and the top end of the mullion 120, so as to prevent the hanging ring 320 from affecting the assembly process of the whole multi-pile system.

It should be understood that, when assembling the stack mounting structures of a plurality of fuel cells to form a cogeneration system, the stack mounting bracket 300 is first locked to the stack, and then the hanging ring 320 is mounted on the top of the stack mounting bracket 300 in the stack mounting structure of the fuel cell positioned on the top, and the stack mounting structures of a plurality of the fuel cells are mounted on the stack holder by means of hanging, so as to improve the mounting efficiency of the multi-stack.

Further, a fixing base is mounted on the bottom frame 110, and the fixing base is used for being connected with an external battery voltage detector.

It should be noted that the cell voltage detector may be a fuel cell CVM in the prior art.

Further, one of the stiles 120 is mounted with a wire harness attachment bracket.

The wire harness is used for fixing the circuit of the battery voltage detector.

It should be appreciated that the fixing base and the wire harness fixing support are used for fixing the CVM wire harness and the CVM wire harness respectively, so that the integration rate of the galvanic pile is improved.

Further, another mullion 120 is provided with a copper bar fixing bracket.

When a plurality of stacks are connected in series and parallel, the copper bar is fixed by the copper bar fixing support, so that the copper bar is prevented from loosening.

In addition, based on the same conception, the utility model also provides a cogeneration system.

With continued reference to fig. 1, and with reference to fig. 2, fig. 2 is a schematic view of the cogeneration system of the utility model.

In an embodiment of the present utility model, as shown in fig. 1 and 2, a cogeneration system includes a plurality of stack mounting structures of the fuel cells as in the above-described embodiment, and a plurality of the stack mounting structures of the fuel cells are arranged in a stack.

It should be understood that the stack mounting structures of the plurality of fuel cells are connected by the connection corner seats provided on the main frame 100.

The specific structure of the pile installation structure of the fuel cell refers to the above embodiments, and since the cogeneration system adopts all the technical solutions of all the embodiments, at least the technical solutions of the embodiments have all the beneficial effects, and are not described in detail herein.

Finally, it should be noted that the foregoing reference numerals of the embodiments of the present utility model are merely for describing the embodiments, and do not represent the advantages and disadvantages of the embodiments. The above embodiments are only optional embodiments of the present utility model, and not limiting the scope of the present utility model, and all equivalent structures or equivalent processes using the descriptions of the present utility model and the accompanying drawings or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A stack mounting structure of a fuel cell, characterized by comprising:

A main frame;

2. The fuel cell stack mounting structure according to claim 1, wherein the insulating mat is provided with a water inlet penetrating the insulating mat, the water inlet is located above the water collecting chamber and is communicated with the water collecting chamber, and the water diversion groove is formed around the periphery of the water inlet.

3. The stack mounting structure of a fuel cell according to claim 2, wherein a plurality of reinforcing ribs are provided on the insulating mat at positions close to the water inlet, the plurality of reinforcing ribs being distributed on opposite sides of the water inlet.

4. The stack mounting structure of the fuel cell according to claim 2, wherein the main frame includes a bottom frame and two stiles, the bottom frame has a rectangular structure, the bottom frame, the two stiles and the plurality of stack mounting brackets surround to form a mounting cavity for mounting the stack of the fuel cell, and the water collecting tray is mounted to the bottom frame and is disposed in the mounting cavity.

5. The fuel cell stack mounting structure according to claim 4, wherein the stack mounting bracket extends vertically to a top end thereof close to a top end of the mullion, a plurality of vertically spaced mounting grooves are formed in a side of the stack mounting bracket facing away from the mounting cavity, a notch of the mounting groove faces outward, and a mounting hole for mounting the fuel cell is formed in a groove bottom wall of the mounting groove opposite to the notch.

6. The stack mounting structure of a fuel cell according to claim 5, wherein a suspension ring is detachably attached to a top end of the stack mounting bracket.

7. The stack mounting structure of a fuel cell according to claim 4, wherein a fixing base is mounted on the bottom frame, the fixing base being for connection with an external cell voltage detector.

8. The stack mounting structure of a fuel cell according to claim 4, wherein one of the stiles is mounted with a wire harness fixing bracket.

9. The fuel cell stack mounting structure according to claim 8, wherein another one of the stiles is mounted with a copper bar fixing bracket.

10. A cogeneration system comprising a plurality of the stack mounting structures of the fuel cells of any one of claims 1 to 9, wherein the plurality of the stack mounting structures of the fuel cells are arranged in a stack.