Integrated electric pile

Abstract

The utility model discloses an integrated electric pile which comprises two cover plates, the outer walls of the two cover plates are fixedly connected with two end covers, the outer wall of one end cover is fixedly connected with a metal frame, the outer wall of the other end cover is fixedly connected with an insulating plate, and an electric pile body is fixedly connected between the metal frame and the insulating plate. The outer wall of the metal frame is fixedly connected with a U-shaped bracket, one end of the galvanic pile body is fixedly connected with the outer wall of the U-shaped bracket, the outer wall of the U-shaped bracket is fixedly connected with a radiator, and the outer wall of the end cover is provided with a connecting mechanism. By arranging the cover plate, the end cover, the metal frame, the insulating plate, the U-shaped support, the wiring frame, the water tank and the submersible pump, the structure is more compact, the layout of parts is more reasonable, the submersible pump is placed in the water tank structurally, and the size is reduced to a certain extent; the shell consists of upper and lower cover plates and front and rear end covers, and is more convenient to mount and dismount compared with a previous-generation galvanic pile.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric pile, especially to an integrated electric pile. BACKGROUND

[0002] With the increasing demand for sustainable energy solutions around the world, hydrogen fuel cell technology is gradually becoming a hot spot in the energy field. As the core component of this technology, hydrogen fuel cell stack plays a crucial role. The electric pile does not produce harmful gas emissions such as carbon dioxide and nitrogen oxides during operation, so it has the advantages of zero emissions and no pollution, which is of great significance to achieve the goal of carbon peak and carbon neutral.

[0003] The electric pile is the place where the electrochemical reaction occurs and is the core part of the fuel cell power system, which is composed of multiple single cells stacked in series. The bipolar plate and the membrane electrode are alternately stacked, and the sealing element is embedded between each single cell. After being compressed by the front and rear end plates, it is fastened with a screw rod to secure it, which constitutes a fuel cell stack. Working principle: when the electric pile is working, hydrogen and oxygen are introduced by the inlet and distributed to the bipolar plate of each single cell through the electric pile gas main channel.

[0004] In the prior art, the electric pile is relatively independent in structure during long-term use, which makes maintenance and upgrading difficult. For example, if a component fails, the entire device may need to be replaced instead of just the individual part, which increases maintenance costs. Low integration design may result in a larger space occupied by the device and a cluttered layout, which is not conducive to use and maintenance. Therefore, we propose an integrated electric pile to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and proposes an integrated electric pile.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An integrated electric pile includes two cover plates, the outer walls of the two cover plates are fixedly connected with two end covers, the outer wall of one of the end covers is fixedly connected with a metal frame, the outer wall of the other end cover is fixedly connected with an insulating plate, the metal frame and the insulating plate are fixedly connected with an electric pile body, the outer wall of the metal frame is fixedly connected with a U-shaped bracket, one end of the electric pile body is fixedly connected with the outer wall of the U-shaped bracket, the outer wall of the U-shaped bracket is fixedly connected with a radiator, and the outer wall of the end cover is provided with a connecting mechanism.

[0008] Preferably, the connecting mechanism comprises a wiring frame, the outer wall of the end cover is fixedly connected with the outer wall of the wiring frame, the outer wall of the wiring frame is fixedly connected with a water tank, the outer wall of the wiring frame is fixedly connected with an air inlet fan, the pump body is installed between the water tank and the stack body, the inside of the water tank is fixedly installed with a submersible pump, and the outer wall of the radiator is fixedly connected with a cooling fan.

[0009] Preferably, the two cover plates are arranged in an up-down symmetry, the two end covers are arranged in a front-rear symmetry, the two cover plates and the two end covers form an overall shell, and the cover plates and the end covers are screwed by stainless steel screws, so that the installation and dismounting are relatively convenient.

[0010] Preferably, the outer wall of one of the cover plates is uniformly provided with a plurality of heat dissipation air inlets, and the plurality of heat dissipation air inlets are located on one side of the radiator.

[0011] Preferably, the outer wall of the wiring frame is fixedly installed with a plate heat exchanger, and the plate heat exchanger is fixedly communicated with the stack body.

[0012] Preferably, the outer wall of the water tank is provided with two through holes, the inner wall of one of the through holes is fixedly connected with the outer wall of the output end of the submersible pump, and the inner wall of the other through hole is fixedly connected with the outer wall of the input end of the submersible pump.

[0013] Preferably, the input end of the submersible pump is fixedly communicated with the outer wall of the stack body, and the output end of the submersible pump is fixedly communicated with the outer wall of the radiator.

[0014] Preferably, the input end of the air inlet fan is fixedly communicated with the outer wall of the stack body, the output end of the pump body is fixedly communicated with the outer wall of the radiator, and the input end of the pump body is fixedly communicated with the outer wall of the stack body.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a cover plate, an end cover, a metal frame, an insulating plate, a U type support, a wiring frame, a water tank and a submersible pump are arranged, the structure is more compact, and the layout of parts is more reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the specific implementation manner. Obviously, the drawings described in the following are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The front view of the integrated electric pile is shown in the structural schematic diagram of the present application.

[0019] Figure 2 The cover plate and end cover structure of the integrated electric pile is shown in the structural schematic diagram of the present application.

[0020] Figure 3 The rear view of the integrated electric pile is shown in the structural schematic diagram of the present application.

[0021] Figure 4 The metal frame, radiator, plate heat exchanger, air inlet fan, pump body and submersible pump structure of the integrated electric pile is shown in the structural schematic diagram of the present application.

[0022] In the figure: 1, cover plate; 2, end cover; 3, metal frame; 4, insulating plate; 5, electric pile body; 6, U-shaped support; 7, radiator; 8, wiring frame; 9, plate heat exchanger; 10, water tank; 11, air inlet fan; 12, pump body; 13, submersible pump. Specific implementation manner

[0023] The following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0025] As shown in Figures 1-4 The utility model discloses an integrated stack, including two cover plates 1, the outer wall of two cover plates 1 is fixedly connected with two end covers 2, two cover plates 1 are symmetrically arranged, two end covers 2 are symmetrically arranged, two cover plates 1 and two end covers 2 form the shell whole, and the cover plate 1 is screwed with the end cover 2 with stainless steel screw, and it is more convenient when installing or disassembling.

[0026] The outer wall of one of end covers 2 is fixedly connected with metal frame 3, and the metal frame 3 plays a supporting role to the stack body 5, and the outer wall of the other end cover 2 is fixedly connected with the insulating plate 4, and the insulating plate 4 plays a role of preventing electric leakage after being in contact with the outer wall of the end cover 2.

[0027] The metal frame 3 and the insulating plate 4 are fixedly connected with the stack body 5, and the stack body 5 is composed of a plurality of fuel cell monomers in a series connection mode, and the bipolar plate and the membrane electrode are alternately superimposed, the sealing element is embedded between each monomer, and the screw rod is fastened after being compressed by the front and rear end plates; during operation, the gas is introduced by the inlet, is distributed to the bipolar plate of each single cell through the stack gas main channel, is uniformly distributed to the electrode through the bipolar plate flow guide, and is in contact with the catalyst through the electrode support body to carry out electrochemical reaction.

[0028] The outer wall of the metal frame 3 is fixedly connected with a U-shaped support 6, one end of the stack body 5 is fixedly connected with the outer wall of the U-shaped support 6, one end of the screw rod on the stack body 5 penetrates the outer wall of the U-shaped support 6 and is locked and fixed on the U-shaped support 6 through a plurality of nuts, the outer wall of the U-shaped support 6 is fixedly connected with a radiator 7, the radiator 7 mainly comprises a water inlet chamber, a water outlet chamber, and a plurality of heat dissipation fins, and the temperature on the heat dissipation fins is sent out through the operation of a heat dissipation fan, and the outer wall of the radiator 7 is fixedly connected with the heat dissipation fan, and the outer wall of one of the cover plates 1 is uniformly provided with a plurality of heat dissipation air inlets, and the plurality of heat dissipation air inlets are located on one side of the radiator 7.

[0029] The outer wall of the end cover 2 is provided with a connecting mechanism, the connecting mechanism comprises a wiring frame 8, the wiring frame 8 protects and supports part of the pipeline inside, the outer wall of the wiring frame 8 is fixedly installed with a plate heat exchanger 9, the plate heat exchanger 9 mainly comprises a plate, a sealing gasket, a fixed compression plate, a movable compression plate, a clamping bolt, an upper guide rod, a lower guide rod and a rear column, and these components jointly constitute the core structure of the plate heat exchanger 9, so as to ensure efficient operation and stable performance, and the plate heat exchanger 9 is fixedly interconnected with the stack body 5.

[0030] The outer wall of the end cover 2 is fixedly connected with the outer wall of the wiring frame 8, the outer wall of the wiring frame 8 is fixedly connected with a water tank 10, and the outer wall of the wiring frame 8 is fixedly connected with an air inlet fan 11, the air inlet fan 11 filters the external air and then sends it into the stack body 5, and the pump body 12 is installed between the stack body 5 and the water tank 10.

[0031] The inside of the water tank 10 is fixedly installed with a submersible pump 13, the submersible pump 13 is placed in the water tank 10, which reduces the volume to a certain extent, the outer wall of the water tank 10 is provided with two through holes, the inner wall of one of the through holes is fixedly connected with the outer wall of the output end of the submersible pump 13, and the inner wall of the other through hole is fixedly connected with the outer wall of the input end of the submersible pump 13, the input end of the submersible pump 13 is fixedly interconnected with the outer wall of the stack body 5, and the submersible pump 13 circulates the water (including water vapor) generated in the stack body 5 due to electrochemical reaction to the inlet of the stack body 5, so as to improve the wetness level of the stack body 5 and improve the water management capability, which helps to maintain the normal operation of the stack body 5 and avoid performance degradation due to dryness or excessive wetness.

[0032] The output end of the submersible pump 13 is fixedly interconnected with the outer wall of the radiator 7, the input end of the air inlet fan 11 is fixedly interconnected with the outer wall of the stack body 5, the output end of the pump body 12 is fixedly interconnected with the outer wall of the radiator 7, and the input end of the pump body 12 is fixedly interconnected with the outer wall of the stack body 5.

[0033] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the conventional connection mode is adopted in the circuit connection, and the components known by the person skilled in the art are not described in detail, and the structure and principle thereof can be known by the person skilled in the art through a technical manual or through a conventional experimental method.

[0034] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An integrated stack comprising two cover plates (1), characterized in that, The outer wall of two cover plates (1) is fixedly connected with two end covers (2), the outer wall of one of the end covers (2) is fixedly connected with a metal frame (3), the outer wall of the other end cover (2) is fixedly connected with an insulating plate (4), the metal frame (3) and the insulating plate (4) are fixedly connected with an electric pile body (5), the outer wall of the metal frame (3) is fixedly connected with a U-shaped support (6), one end of the electric pile body (5) is fixedly connected with the outer wall of the U-shaped support (6), the outer wall of the U-shaped support (6) is fixedly connected with a radiator (7), and the outer wall of the end cover (2) is provided with a connecting mechanism.

2. An integrated stack according to claim 1, wherein The connecting mechanism comprises a wiring frame (8), the outer wall of the end cover (2) is fixedly connected with the outer wall of the wiring frame (8), the outer wall of the wiring frame (8) is fixedly connected with a water tank (10), the outer wall of the wiring frame (8) is fixedly connected with an air inlet fan (11), the electric pile body (5) and the water tank (10) are provided with a pump body (12), the inside of the water tank (10) is fixedly provided with a submersible pump (13), and the outer wall of the radiator (7) is fixedly connected with a cooling fan.

3. The integrated stack of claim 1, wherein, The two cover plates (1) are symmetrically arranged in an up-down direction, and the two end covers (2) are symmetrically arranged in a front-rear direction.

4. The integrated stack of claim 1, wherein, The outer wall of one of the cover plates (1) is uniformly provided with a plurality of heat dissipation air inlets, and the plurality of heat dissipation air inlets are located on one side of the radiator (7).

5. An integrated stack according to claim 2, wherein The outer wall of the wiring frame (8) is fixedly provided with a plate heat exchanger (9), and the plate heat exchanger (9) is fixedly connected with the electric pile body (5).

6. An integrated stack according to claim 2, wherein The outer wall of the water tank (10) is provided with two through holes, the inner wall of one of the through holes is fixedly connected with the outer wall of the output end of the submersible pump (13), and the inner wall of the other through hole is fixedly connected with the outer wall of the input end of the submersible pump (13).

7. An integrated stack as claimed in claim 2, wherein The input end of the submersible pump (13) is fixedly connected with the outer wall of the electric pile body (5), and the output end of the submersible pump (13) is fixedly connected with the outer wall of the radiator (7).

8. The integrated stack of claim 2, wherein, The input end of the air inlet fan (11) is fixedly connected with the outer wall of the electric pile body (5), the output end of the pump body (12) is fixedly connected with the outer wall of the radiator (7), and the input end of the pump body (12) is fixedly connected with the outer wall of the electric pile body (5).

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