A hydrogen fuel cell system integration framework

Abstract

The application belongs to the technical field of fuel cells, and particularly relates to a hydrogen fuel cell system integration framework, which comprises a main mounting plate, a pipeline avoiding part and a stack main body mounting part being adjacently arranged on the main mounting plate, an auxiliary mounting plate arranged below the main mounting plate, one end of the auxiliary mounting plate being connected with the main mounting plate through a fluid inlet and outlet pre-installation panel, and the other end of the auxiliary mounting plate being fixed on the main mounting plate through a plurality of support frames, wherein the stack main body mounting part is provided with a plurality of first ridge lines arranged in a longitudinal and transverse staggered mode, and a plurality of BOP mounting holes are formed in the first ridge lines, and the BOP components such as circulating pumps and intercoolers connected with the stack main body are respectively mounted on the lower side of the main mounting plate. The hydrogen fuel cell system integration framework can integrate all core components of the fuel cell system around the stack main body, optimizes the layout and position relationship of the system components, facilitates to improve the overall integration degree and space utilization of the stack installation, and facilitates to connect with external interfaces and install the vehicle.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of fuel cells, and particularly relates to a hydrogen fuel cell system integration framework. BACKGROUND

[0002] The existing hydrogen energy fuel cell generally comprises a box body, a stack module (i.e. a fuel cell stack, i.e. a plurality of independent single fuel cells connected in series), a stack gas inlet valve group, a stack gas outlet valve group, a hydrogen circulation pump, a hydrogen supply system, an air gas path system and a cooling system.

[0003] According to the patent document with the patent name of a fuel cell system structure and the patent number of CN216120405U, each system component of the fuel cell is arranged on the stack frame, the layout is compact, and interference is formed between each system component during maintenance or installation, which is inconvenient to operate.

[0004] The existing fuel cell system has a scattered arrangement of fluid inlets and outlets, low integration, inconvenience in connecting the external interface of the fuel cell system to the whole vehicle, and scattered arrangement of the controller and the electrical box in the fuel cell system, so that a support for each electrical box needs to be separately made, resulting in an increase in the weight of the fuel cell system, low integration and excessively long length of part of the high and low voltage lines. SUMMARY

[0005] The application provides a hydrogen fuel cell system integration framework.

[0006] In order to solve the above technical problems, the application provides a hydrogen fuel cell system integration framework, which comprises a main mounting plate, a pipe avoiding part and a stack main body mounting part being arranged adjacent to each other on the main mounting plate, an auxiliary mounting plate arranged below the main mounting plate, one end of the auxiliary mounting plate being connected with the main mounting plate through a fluid inlet and outlet pre-installation panel, and the other end of the auxiliary mounting plate being fixed on the main mounting plate through a plurality of support frames, wherein the stack main body mounting part is provided with a plurality of first ridge lines arranged in a longitudinal and transverse intersecting manner, a plurality of BOP mounting holes are formed in the first ridge lines, and the BOP components such as a circulating pump and an intercooler connected with the stack main body are respectively mounted on the lower side of the main mounting plate; the area surrounded by the first ridge lines of the stack main body mounting part is hollow; and the gap between the auxiliary mounting plate and the main mounting plate is adapted to accommodate the high-pressure water pump, the air compressor, the gas-liquid separator, the circulating pump and the intercooler connected with the stack main body.

[0007] Further, the pipe avoiding part is arranged on the main mounting plate on the pipe connection side of the stack main body; a hydrogen inlet stack pipe avoiding hole, an air inlet stack pressure sensor mounting hole, an air outlet stack pipe avoiding hole, a cooling liquid inlet stack pipe avoiding hole, a cooling liquid outlet stack pipe avoiding hole and air inlet stack pipe and hydrogen outlet stack pipe avoiding holes are sequentially and spacedly arranged on the side of the pipe avoiding part close to the stack main body.

[0008] Further, the pipeline avoiding part is provided with a plurality of valve group mounting holes on the side away from the stack body, suitable for mounting valve group mounting seats; the pipeline avoiding part is provided with an air outlet throttle bracket mounting hole above the cooling liquid inlet stack pipeline avoiding hole, suitable for mounting an air outlet throttle bracket; the air inlet stack pipeline and hydrogen outlet stack pipeline avoiding holes are provided with a high-pressure water pump mounting seat below the main mounting plate on the side close to the fluid inlet and outlet pre-installation panel; and the main mounting plate is provided with an air compressor mounting seat below the end away from the high-pressure water pump mounting seat.

[0009] Further, the auxiliary mounting plate is arranged in a stepped manner, including a first bottom plate, a second bottom plate, and a side plate for connecting the first bottom plate and the second bottom plate; wherein a plurality of first heat dissipation holes are formed on the side plate, and a plurality of second heat dissipation holes are formed on the first bottom plate and the second bottom plate.

[0010] Further, the main mounting plate and the second bottom plate are further provided with a circulating pump controller mounting bracket; the lower side of the main mounting plate above the circulating pump controller mounting bracket is provided with a circulating pump mounting pad, suitable for mounting a circulating pump on the lower side of the main mounting plate through the corresponding BOP mounting hole; and the corresponding BOP mounting hole above the first bottom plate is suitable for mounting an intercooler.

[0011] Further, the main mounting plate and the second bottom plate are further provided with an air inlet throttle bracket and an air-liquid separator mounting plate; and the main mounting plate and the second bottom plate are further provided with a PCT bracket and an air mass flow meter bracket on the side of the fluid inlet and outlet pre-installation panel; wherein the upper part of the air mass flow meter bracket is provided with a plurality of high-voltage power distribution box mounting holes on the side toward the air compressor mounting seat.

[0012] Further, the hydrogen fuel cell system integrated frame further comprises: an electrical box mounting plate, a plurality of second ridge lines are arranged on the electrical box mounting plate in a longitudinal and transverse manner, and a plurality of stack assembly holes are formed on each second ridge line at different heights, suitable for being mounted on one side of the stack body through the corresponding stack assembly hole; wherein a plurality of main controller mounting holes, a plurality of low-voltage power distribution box mounting holes and a plurality of air compressor controller mounting holes are sequentially arranged on the electrical box mounting plate; and a low-voltage wire avoiding hole is further formed on the stack body mounting part on the side of the electrical box mounting plate connected with the stack body.

[0013] Further, the fluid inlet and outlet pre-installation panel is respectively provided with a plurality of fluid pre-installation interfaces, which include: a hydrogen fuel inlet pre-installation interface arranged at the upper left of the fluid inlet and outlet pre-installation panel; a waste gas outlet pre-installation interface arranged at the lower right of the fluid inlet and outlet pre-installation panel; a main cooling liquid outlet pre-installation interface arranged side by side with the waste gas outlet pre-installation interface at the lower left of the fluid inlet and outlet pre-installation panel; a main cooling liquid inlet pre-installation interface arranged at the middle of the fluid inlet and outlet pre-installation panel and above the right of the main cooling liquid outlet pre-installation interface; an auxiliary cooling liquid inlet pre-installation interface arranged side by side with the hydrogen fuel inlet pre-installation interface at the upper of the fluid inlet and outlet pre-installation panel and above the right of the main cooling liquid inlet pre-installation interface; and an auxiliary cooling liquid outlet pre-installation interface arranged on the fluid inlet and outlet pre-installation panel below the right of the auxiliary cooling liquid inlet pre-installation interface; wherein each fluid pre-installation interface is provided with a sealing protrusion at both ends of the fluid inlet and outlet pre-installation panel, which is suitable for being sealed and connected with the corresponding pipeline through a sealing connector.

[0014] Further, each fluid pre-installation interface is installed on the fluid inlet and outlet pre-installation panel through a fastener; wherein a first insulation gasket is arranged between the installation part of the main cooling liquid inlet pre-installation interface and the main cooling liquid outlet pre-installation interface and the fluid inlet and outlet pre-installation panel; and a second insulation gasket is arranged between the installation part of the main cooling liquid inlet pre-installation interface and the main cooling liquid outlet pre-installation interface 313 and the corresponding fastener.

[0015] Further, the main installation plate is provided with an ear around.

[0016] The hydrogen fuel cell system integrated frame of the present application is suitable for relatively independently modularly installing a high-pressure water pump, an air compressor, a gas-liquid separator, a circulating pump and an intercooler between the main installation plate and the auxiliary installation plate, and separating the stack body installed on the main installation plate, the hierarchical design of the upper and lower layers of the frame can reduce the interference between the components of the BOP system, the pipeline avoiding part can accommodate the corresponding pipeline to pass through, the connection length of the stack body with the high-pressure water pump, the air compressor, the gas-liquid separator, the circulating pump and the intercooler can be shortened, the arrangement design of the first ridge line of the stack body installation part improves the installation strength of the main installation plate, the BOP installation hole opened on the first ridge line improves the installation integration of the stack body and the components of the BOP system, all the core components of the fuel cell system can be integrated around the stack body, the occupied volume is small, the installation of the hydrogen fuel cell system is facilitated, meanwhile, the layout and positional relationship of the system components are optimized, the overall integration and space utilization of the stack installation are facilitated, the fluid inlet and outlet pre-installation panel can quickly connect the pipeline with the corresponding pipeline outside, so as to facilitate the installation, disassembly and maintenance of the hydrogen fuel cell system, the integration of the hydrogen fuel cell engine is improved, and the external interface and the vehicle installation are facilitated.

[0017] Other features and advantages of the present application will be set forth in the descriptions that follow, and in part will be apparent from the description, or can be learned by practice of the application. The purposes and other advantages of the present application will be realized and attained by the structures particularly pointed out in the description, claims and drawings.

[0018] In order to make the above objectives, features and advantages of the present application more apparent, the following will describe a preferred embodiment in detail, and make a further explanation with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0020] Figure 1 is a perspective view of the hydrogen fuel cell system integration framework of the present application;

[0021] Figure 2 is a top view of the main mounting plate of the present application;

[0022] Figure 3 is a bottom view of the hydrogen fuel cell system integration framework of the present application;

[0023] Figure 4 is a front view of the hydrogen fuel cell system integration framework of the present application;

[0024] Figure 5 is a right view of the hydrogen fuel cell system integration framework of the present application;

[0025] Figure 6 is a schematic view of the electrical box mounting plate of the present application;

[0026] Figure 7 is a schematic view of the fluid inlet and outlet pre-installation panel of the present application.

[0027] In the drawings:

[0028] Main mounting plate 1, pipeline avoidance part 11, hydrogen inlet stack pipe avoidance hole 111, air inlet stack pressure sensor mounting hole 112, air outlet stack pipe avoidance hole 113, cooling liquid inlet stack pipe avoidance hole 114, cooling liquid outlet stack pipe avoidance hole 115, air inlet stack pipe and hydrogen outlet stack pipe avoidance hole 116, valve group mounting hole 117, outlet gas throttle support mounting hole 118, stack main body mounting part 12, low-voltage wire avoidance hole 121, first ridge line 13, BOP mounting hole 14, valve group mounting seat 15, outlet gas throttle support 16, high-pressure water pump mounting seat 17, air compressor mounting seat 18, circulating pump mounting pad 19;

[0029] Auxiliary mounting plate 2, first bottom plate 21, second bottom plate 22, side plate 23;

[0030] Fluid inlet and outlet pre-installation panel 3, fluid pre-installation interface 31, hydrogen fuel inlet pre-installation interface 311, exhaust gas outlet pre-installation interface 312, main cooling liquid outlet pre-installation interface 313, main cooling liquid inlet pre-installation interface 314, auxiliary cooling liquid inlet pre-installation interface 315, auxiliary cooling liquid outlet pre-installation interface 316, sealing protrusion 32, first insulating gasket 33, second insulating gasket 34;

[0031] Circulating pump controller mounting bracket 4;

[0032] Inlet gas throttle support 5;

[0033] Gas-liquid separator mounting plate 6;

[0034] PCT support 7;

[0035] Air mass flow meter support 8, high-voltage distribution box mounting hole 81;

[0036] Electrical box mounting plate 9, second ridge line 91, stack assembly hole 92, main controller mounting hole 93, low-voltage distribution box mounting hole 94, air compressor controller mounting hole 95;

[0037] Lug 10. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are 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 those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] As Figure 1As shown, the embodiment provides a hydrogen fuel cell system integration framework, comprising: a main mounting plate 1, adjacent to which are arranged a pipeline avoiding part 11 and a stack body mounting part 12; an auxiliary mounting plate 2 arranged below the main mounting plate 1, one end of which is connected to the main mounting plate 1 through a fluid inlet and outlet pre-installation panel 3, and the other end of which is fixed to the main mounting plate 1 through a plurality of support frames; wherein the stack body mounting part 12 is provided with a plurality of first ridge lines 13 arranged in a longitudinal and transverse manner, and a plurality of BOP mounting holes 14 are arranged on the first ridge lines 13, suitable for mounting the BOP components such as circulating pumps and intercoolers connected to the stack body on the lower side of the main mounting plate 1; the area surrounded by each of the first ridge lines 13 of the stack body mounting part 12 is hollow; and the gap between the auxiliary mounting plate 2 and the main mounting plate 1 is suitable for accommodating the high-pressure water pump, air compressor, gas-liquid separator, circulating pump and intercooler connected to the stack body.

[0040] In the embodiment, the hydrogen fuel cell system integration framework is suitable for relatively independently modularly installing the high-pressure water pump, air compressor, gas-liquid separator, circulating pump and intercooler between the main mounting plate 1 and the auxiliary mounting plate 2, and separating the stack body installed on the main mounting plate 1, the layered design of the upper and lower layers of the framework can reduce the interference between the BOP system components, the pipeline avoiding part 11 can accommodate the corresponding pipelines to pass through, which can shorten the connection length of the stack body with the high-pressure water pump, air compressor, gas-liquid separator, circulating pump and intercooler, the arrangement design of the first ridge lines 13 of the stack body mounting part 12 improves the installation strength of the main mounting plate 1, the BOP mounting holes 14 arranged on the first ridge lines 13 improve the installation integration of the stack body and the BOP system components, all the core components of the fuel cell system can be integrated around the stack body, which occupies a small volume, is convenient for the installation of the hydrogen fuel cell system, and optimizes the layout and positional relationship of the system components, which is convenient for improving the overall integration and space utilization of the stack installation, the fluid inlet and outlet pre-installation panel 3 can quickly connect the pipelines with the corresponding pipelines outside, so as to facilitate the installation, disassembly and maintenance of the hydrogen fuel cell system, and improve the integration of the hydrogen fuel cell engine, which is convenient for external interface and vehicle installation.

[0041] In the embodiment, the area surrounded by each of the first ridge lines 13 is hollow, which can reduce the weight of the main mounting plate 1, and further reduce the weight of the entire hydrogen fuel cell system integration framework, and improve the mass power density of the hydrogen fuel cell system.

[0042] As Figure 2As shown, in the present embodiment, the pipeline avoiding part 11 is arranged on the main mounting plate 1 at the pipeline connecting side of the stack main body; the hydrogen inlet pipeline avoiding hole 111, the air inlet stack pressure sensor mounting hole 112, the air outlet pipeline avoiding hole 113, the cooling liquid inlet pipeline avoiding hole 114, the cooling liquid outlet pipeline avoiding hole 115 and the air inlet pipeline and hydrogen outlet pipeline avoiding hole 116 are sequentially and spacedly arranged on the side of the pipeline avoiding part 11 close to the stack main body.

[0043] In the present embodiment, the circulating pump is adapted to circulate hydrogen into and out of the stack, and the hydrogen inlet pipeline and the hydrogen outlet pipeline connected with the two ends of the circulating pump are adapted to respectively pass through the hydrogen inlet pipeline avoiding hole 111 and the air inlet pipeline and hydrogen outlet pipeline avoiding hole 116, and extend out of the main mounting plate 1 to be connected with the corresponding hydrogen pipeline interfaces of the stack main body above the main mounting plate 1; the air compressor is adapted to compress air and then pass through the stack, and the air inlet pipeline and the air outlet pipeline are adapted to respectively pass through the air inlet pipeline and hydrogen outlet pipeline avoiding hole 116 and the air outlet pipeline avoiding hole 113 to extend out of the main mounting plate 1 to be connected with the corresponding air pipeline interfaces of the stack main body above the main mounting plate 1, and a pressure sensor can be mounted at the air inlet stack pressure sensor mounting hole 112 to detect the pressure of the air entering the stack main body at any time; the high-pressure water pump is adapted to deliver cooling liquid to pass through the stack main body for cooling and heat dissipation, and the cooling liquid inlet pipeline and the cooling liquid outlet pipeline are adapted to respectively pass through the cooling liquid inlet pipeline avoiding hole 114 and the cooling liquid outlet pipeline avoiding hole 115 to extend out of the main mounting plate 1 to be connected with the corresponding cooling liquid inlet and outlet interfaces of the stack main body, and the water path and the gas path are arranged at the pipeline avoiding part 11, so that the arrangement of the water path and the gas path of the whole system is concentrated, and the pipelines are separated by different pipeline avoiding holes, which facilitates the disassembly and maintenance of each component, and improves the heat dissipation, convenience of maintenance and maintainability of the system.

[0044] As shown in Figure 2 and Figure 3 As shown, in the present embodiment, the pipeline avoiding part 11 is arranged on the main mounting plate 1 at the pipeline connecting side of the stack main body; the hydrogen inlet pipeline avoiding hole 111, the air inlet stack pressure sensor mounting hole 112, the air outlet pipeline avoiding hole 113, the cooling liquid inlet pipeline avoiding hole 114, the cooling liquid outlet pipeline avoiding hole 115 and the air inlet pipeline and hydrogen outlet pipeline avoiding hole 116 are sequentially and spacedly arranged on the side of the pipeline avoiding part 11 close to the stack main body.

[0045] In the embodiment, the valve group is installed on the main mounting plate 1 through the valve group mounting seat 15, and the air outlet throttle support 16 is also arranged above the main mounting plate 1, so that the pipeline can be connected with the corresponding valve on the valve group mounting seat 15, respectively, the high-pressure water pump and the air compressor are installed on the two sides of the main mounting plate 1, respectively, so that the modular installation is facilitated, and the high-pressure water pump and the air compressor can be prevented from interfering with each other during operation, thereby affecting the normal operation.

[0046] In the embodiment, the auxiliary mounting plate 2 is arranged in a stepped manner and includes a first bottom plate 21, a second bottom plate 22, and a side plate 23 for connecting the first bottom plate 21 and the second bottom plate 22, wherein a plurality of first heat dissipation holes are arranged on the side plate 23, and a plurality of second heat dissipation holes are arranged on the first bottom plate 21 and the second bottom plate 22.

[0047] In the embodiment, the first heat dissipation holes on the side plate 23 and the second heat dissipation holes on the first bottom plate 21 and the second bottom plate 22 can facilitate heat dissipation during operation of the hydrogen fuel cell system, so that the heat generated by the high-pressure water pump, the air compressor, the gas-liquid separator, the circulating pump, and the intercooler during operation can be dispersed between the main mounting plate 1 and the first bottom plate 21 and the second bottom plate 22, thereby preventing the working temperature of the stack body from being too high during operation, so as to prevent the normal operation of the hydrogen fuel cell system from being affected by local overheating during operation.

[0048] As shown in Figure 4 and Figure 5 In the embodiment, the main mounting plate 1 and the second bottom plate 22 are further provided with a circulating pump controller mounting bracket 4, the lower side of the main mounting plate 1 above the circulating pump controller mounting bracket 4 is provided with a circulating pump mounting pad 19, the circulating pump is adapted to be installed on the lower side of the main mounting plate 1 through the corresponding BOP mounting hole 14, and the corresponding BOP mounting hole 14 above the first bottom plate 21 is adapted to install the intercooler.

[0049] In the embodiment, the intercooler is installed between the first bottom plate 21 and the main mounting plate 1, the circulating pump is installed between the second bottom plate 22 and the main mounting plate 1, and is installed on the lower side of the main mounting plate 1 through the circulating pump mounting pad 19, and the circulating pump controller mounting bracket 4 is further arranged below the circulating pump, so as to shorten the distance between the circulating pump and the circulating pump controller and improve the integration of the circulating pump installation.

[0050] In the embodiment, the air inlet throttle bracket 5 and the air-liquid separator mounting plate 6 are further arranged between the main mounting plate 1 and the second bottom plate 22; and the PCT bracket 7 and the air mass flow meter bracket 8 are further arranged on one side of the fluid inlet and outlet pre-installation panel 3 between the main mounting plate 1 and the second bottom plate 22; wherein the upper portion of the air mass flow meter bracket 8 is provided with a plurality of high-voltage power distribution box mounting holes 81 towards one side of the air compressor mounting seat 18.

[0051] As shown in Figure 5 and Figure 6 In the embodiment, the hydrogen fuel cell system integration frame further comprises an electrical box mounting plate 9, a plurality of second ridge lines 91 are arranged on the electrical box mounting plate 9 in a longitudinal and transverse manner, and a plurality of stack assembly holes 92 are arranged on each second ridge line 91 at different heights, and adapted to be installed on one side of the stack body through the corresponding stack assembly hole 92; wherein a plurality of main controller mounting holes 93, a plurality of low-voltage power distribution box mounting holes 94 and a plurality of air compressor controller mounting holes 95 are sequentially arranged on the electrical box mounting plate 9; and a low-voltage wire avoiding hole 121 is further arranged on the stack body mounting portion 12 of one side of the electrical box mounting plate 9 connected with the stack body.

[0052] In the embodiment, the low-voltage power distribution box and the high-voltage power distribution box are arranged on the electrical box mounting plate 9 and the air mass flow meter bracket 8 respectively, which can realize the separation of high-voltage and low-voltage electricity, prevent mutual interference between high-voltage and low-voltage electricity, and separate the circuit from the water circuit and the air circuit, thereby realizing the separation of water and electricity; the high-voltage power distribution box is installed on the side close to the air compressor, which is convenient for directly supplying high-voltage electricity to the air compressor, and improves the integration degree of the overall installation.

[0053] In the embodiment, the stack assembly hole 92 is arranged on the second ridge line 91 at different heights, which is convenient for flexibly installing the electrical box mounting plate 9 at different heights of the stack body, and the arrangement mode of the second ridge line 91 improves the installation strength of the electrical box mounting plate 9; the main body portion of the electrical box mounting plate 9 surrounded by the second ridge line 91 between each main controller mounting hole 93, each low-voltage power distribution box mounting hole 94 and each air compressor controller mounting hole 95 is hollowed out, which reduces the weight of the electrical box mounting plate 9, and the main controller of the hydrogen fuel cell, the low-voltage power distribution box and the air compressor controller are concentratedly installed on the electrical box mounting plate 9, and the electrical box mounting plate 9 is installed on one side of the stack body, which can shorten the wiring length and further improve the installation integration degree of the system.

[0054] As shown in Figure 5 and Figure 7As shown, in the present embodiment, the fluid inlet and outlet pre-installation panel 3 is provided with a plurality of fluid pre-installation interfaces 31, including: a hydrogen fuel inlet pre-installation interface 311 provided at the upper left of the fluid inlet and outlet pre-installation panel 3; a waste gas outlet pre-installation interface 312 provided at the lower right of the fluid inlet and outlet pre-installation panel 3; a main coolant outlet pre-installation interface 313 provided at the lower left of the fluid inlet and outlet pre-installation panel 3 in parallel with the waste gas outlet pre-installation interface 312; a main coolant inlet pre-installation interface 314 provided at the middle of the fluid inlet and outlet pre-installation panel 3 above the main coolant outlet pre-installation interface 313; an auxiliary coolant inlet pre-installation interface 315 provided at the upper of the fluid inlet and outlet pre-installation panel 3 in parallel with the hydrogen fuel inlet pre-installation interface 311 above the main coolant inlet pre-installation interface 314; and an auxiliary coolant outlet pre-installation interface 316 provided at the fluid inlet and outlet pre-installation panel 3 below the right of the auxiliary coolant inlet pre-installation interface 315; wherein each of the fluid pre-installation interfaces 31 is provided with a sealing protrusion 32 at both ends thereof exposed to the fluid inlet and outlet pre-installation panel 3, adapted to be sealingly connected with corresponding pipelines by sealing connectors.

[0055] In the present embodiment, each of the fluid pre-installation interfaces 31 is mounted on the fluid inlet and outlet pre-installation panel 3 by fasteners; wherein a first insulating gasket 33 is provided between the mounting portions of the main coolant inlet pre-installation interface 314 and the main coolant outlet pre-installation interface 313 and the fluid inlet and outlet pre-installation panel 3; and a second insulating gasket 34 is provided between the mounting portions of the main coolant inlet pre-installation interface 314 and the main coolant outlet pre-installation interface 313 and corresponding fasteners.

[0056] In the present embodiment, the fluid pre-installation interfaces 31 are arranged in a concentrated manner on the fluid inlet and outlet pre-installation panel 3, improving the integration of the system and facilitating the connection of the fluid pipelines in the hydrogen fuel cell system with corresponding pipelines of the whole vehicle; the sealing protrusions 32 provided at both ends of each of the fluid pre-installation interfaces 31 are adapted to cooperate with corresponding sealing connectors to sealingly connect the pipelines with the fluid pre-installation interfaces 31.

[0057] In the present embodiment, the diameters of the main coolant inlet pre-installation interface 314 and the main coolant outlet pre-installation interface 313 are smaller than the diameters of corresponding pre-installation holes on the fluid inlet and outlet pre-installation panel 3, which can avoid high-voltage electricity being conducted to the fluid inlet and outlet pre-installation panel 3 through the coolant, improving the insulation performance. The first insulating gasket 33 and the second insulating gasket 34 at the main coolant inlet pre-installation interface 314 and the main coolant outlet pre-installation interface 313 can obtain a larger insulating surface with less insulating material, saving the cost of insulating materials, and the first insulating gasket 33 and the second insulating gasket 34 can be replaced by silicone material instead of EPDM material,

[0058] In the embodiment, the four sides of the main mounting plate 1 are provided with the lugs 10.

[0059] In the embodiment, the lugs 10 can improve the mounting strength of the fixed installation of the stack system, improve the bearing capacity of the frame, facilitate flexible installation, have wide adaptability, and facilitate connection with the whole vehicle.

[0060] In summary, the waterway and the airway are arranged at the pipeline avoiding part 11, so that the arrangement height of the waterway and the airway of the whole system is concentrated, and the pipelines are separated through different pipeline avoiding holes, which facilitates the disassembly and maintenance of each component, and improves the heat dissipation, convenience of overhaul and maintainability of the system. The valve group is installed on the main installation plate 1 through the valve group installation seat 15, and the air outlet throttle support 16 is also arranged above the main installation plate 1, so as to facilitate the connection of the pipelines with the corresponding valves on the valve group installation seat 15. The high-pressure water pump and the air compressor are respectively installed on the two sides of the main installation plate 1, so as to facilitate the modular installation and avoid the interference between the high-pressure water pump and the air compressor during operation, thereby affecting the normal operation. The first heat dissipation hole on the side plate 23, and the second heat dissipation hole on the first bottom plate 21 and the second bottom plate 22 can facilitate heat dissipation during the operation of the hydrogen fuel cell system, so as to disperse the heat generated by the high-pressure water pump, the air compressor, the gas-liquid separator, the circulating pump and the intercooler during operation, and prevent the local overheating during operation from affecting the normal operation of the hydrogen fuel cell system. The intercooler is installed between the first bottom plate 21 and the main installation plate 1, the circulating pump is installed between the second bottom plate 22 and the main installation plate 1, and is installed on the lower side of the main installation plate 1 through the circulating pump installation pad 19. A circulating pump controller installation support 4 is further arranged below the circulating pump, so as to shorten the distance between the circulating pump and the circulating pump controller, and improve the integration of the circulating pump installation. The low-voltage distribution box and the high-voltage distribution box are respectively arranged on the electrical box installation plate 9 and the air mass flow meter support 8, so as to separate the high-voltage electricity and the low-voltage electricity, prevent the mutual interference between the high-voltage electricity and the low-voltage electricity, and arrange the circuit separately from the waterway and the airway, so as to realize the water and electricity separation. The high-voltage distribution box is installed on the side close to the air compressor, so as to directly supply high-voltage electricity to the air compressor and improve the integration of the overall installation. The fluid inlet and outlet pre-installation panel 3 is arranged with the fluid pre-installation interfaces 31 concentrated, so as to improve the integration of the system and facilitate the connection between the fluid pipelines in the hydrogen fuel cell system and the corresponding pipelines of the whole vehicle. The sealing protrusions 32 arranged at both ends of the fluid pre-installation interfaces 31 are adapted to cooperate with the corresponding sealing connectors, so as to seal the connection between the pipelines and the fluid pre-installation interfaces 31. The diameters of the main cooling liquid inlet pre-installation interface 314 and the main cooling liquid outlet pre-installation interface 313 are smaller than the diameters of the corresponding pre-installation holes on the fluid inlet and outlet pre-installation panel 3, so as to avoid the conduction of high-voltage electricity to the fluid inlet and outlet pre-installation panel 3 through the cooling liquid and improve the insulation performance. The first insulation pad 33 and the second insulation pad 34 at the main cooling liquid inlet pre-installation interface 314 and the main cooling liquid outlet pre-installation interface 313 can obtain a larger insulation surface with less insulation material, thereby saving the insulation material cost.

[0061] With the above ideal embodiments according to the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A hydrogen fuel cell system integration framework, characterized by, The utility model relates to a hydrogen fuel cell system integrated frame, including: The main mounting plate (1) is provided with pipeline avoidance part (11) and electric pile main body mounting part (12) adjacently on it; Auxiliary mounting plate (2) is arranged below main mounting plate (1), and one end is connected with main mounting plate (1) through fluid inlet and outlet preloading panel (3), and the other end is fixed on main mounting plate (1) through a plurality of support frames;Among them The electric pile main body mounting part (12) is provided with a plurality of first ridge lines (13) arranged in longitudinal and transverse directions, and a plurality of BOP mounting holes (14) are formed in the first ridge lines (13), suitable for installing the BOP components of the circulating pump and the intercooler connected with the electric pile main body on the lower side of the main mounting plate (1) respectively; The area surrounded by each first ridge line (13) of the electric pile main body mounting part (12) is hollowed out; The gap between the auxiliary mounting plate (2) and the main mounting plate (1) is suitable for accommodating the high-pressure water pump, air compressor, gas-liquid separator, circulating pump and intercooler connected with the electric pile main body; The fluid inlet and outlet preloading panel (3) is provided with a plurality of fluid preloading interfaces (31) respectively, including: Hydrogen fuel import preloading interface (311) is arranged in the upper left part of fluid inlet and outlet preloading panel (3); Waste gas export preloading interface (312) is arranged in the lower right part of fluid inlet and outlet preloading panel (3);And The main cooling liquid outlet preloading interface (313) is arranged in the lower left part of fluid inlet and outlet preloading panel (3) and is arranged side by side with waste gas export preloading interface (312); The main cooling liquid import preloading interface (314) is arranged in the middle part of fluid inlet and outlet preloading panel (3) and is located above the right of the main cooling liquid outlet preloading interface (313); The auxiliary cooling liquid import preloading interface (315) is arranged in the upper part of the fluid inlet and outlet preloading panel (3) and is located above the right of the main cooling liquid import preloading interface (314) and is arranged side by side with hydrogen fuel import preloading interface (311);And The auxiliary cooling liquid outlet preloading interface (316) is arranged on the fluid inlet and outlet preloading panel (3) below the right of auxiliary cooling liquid import preloading interface (315);Among them The sealing protrusions (32) are arranged at both ends of the fluid inlet and outlet preloading panel (3) and are exposed to the outside of each fluid preloading interface (31), suitable for being sealed and connected with the corresponding pipeline through the sealing connector.

2. The hydrogen fuel cell system integrated frame according to claim 1, wherein The pipeline avoidance part (11) is arranged on the main mounting plate (1) on the pipeline connection side of the electric pile main body; The pipeline avoidance part (11) is sequentially and spacedly provided with a hydrogen gas inlet stack pipeline avoidance hole (111), an air inlet stack pressure sensor mounting hole (112), an air outlet stack pipeline avoidance hole (113), a cooling liquid inlet stack pipeline avoidance hole (114), a cooling liquid outlet stack pipeline avoidance hole (115), and an air inlet stack pipeline and hydrogen outlet stack pipeline avoidance hole (116) on the side close to the electric pile main body.

3. The hydrogen fuel cell system integrated frame according to claim 2, wherein The pipeline avoiding part (11) is provided with a plurality of valve group mounting holes (117) on the side away from the stack body, suitable for mounting the valve group mounting seat (15); The pipeline avoiding part (11) is provided with an air outlet throttle bracket mounting hole (118) above the cooling liquid inlet stack pipeline avoiding hole (114), suitable for mounting the air outlet throttle bracket (16); The air inlet stack pipeline and hydrogen outlet stack pipeline avoiding hole (116) is provided with a high-pressure water pump mounting seat (17) on the lower side of the main mounting plate (1) on the side close to the fluid inlet and outlet pre-installation panel (3); and The main mounting plate (1) is provided with an air compressor mounting seat (18) on the lower side of the end away from the high-pressure water pump mounting seat (17).

4. The hydrogen fuel cell system integrated frame according to claim 3, characterized in that, The auxiliary mounting plate (2) is arranged in a stepped manner and comprises a first bottom plate (21), a second bottom plate (22), and a side plate (23) for connecting the first bottom plate (21) and the second bottom plate (22); wherein A plurality of first heat dissipation holes are formed in the side plate (23), and a plurality of second heat dissipation holes are formed in the first bottom plate (21) and the second bottom plate (22).

5. The hydrogen fuel cell system integrated frame according to claim 4, characterized in that, The main mounting plate (1) and the second bottom plate (22) are further provided with a circulating pump controller mounting bracket (4); The lower side of the main mounting plate (1) above the circulating pump controller mounting bracket (4) is provided with a circulating pump mounting pad (19), suitable for mounting the circulating pump on the lower side of the main mounting plate (1) through the corresponding BOP mounting hole (14); and The corresponding BOP mounting hole (14) above the first bottom plate (21) is suitable for mounting an intercooler.

6. The hydrogen fuel cell system integrated frame according to claim 5, characterized in that, The main mounting plate (1) and the second bottom plate (22) are further provided with an air inlet throttle bracket (5) and an air-liquid separator mounting plate (6); and The main mounting plate (1) and the second bottom plate (22) are further provided with a PCT bracket (7) and an air mass flow meter bracket (8) on the side of the fluid inlet and outlet pre-installation panel (3); wherein The upper part of the air mass flow meter bracket (8) is provided with a plurality of high-voltage power distribution box mounting holes (81) on the side toward the air compressor mounting seat (18).

7. The hydrogen fuel cell system integration framework of claim 6, wherein, Further comprising: An electrical box mounting plate (9) is provided, a plurality of second ridges (91) are arranged on the electrical box mounting plate (9) in a longitudinal and transverse manner, and a plurality of stack assembly holes (92) are formed in each second ridge (91) at different heights, suitable for being mounted on the side of the stack body through the corresponding stack assembly hole (92); wherein A plurality of main controller mounting holes (93), a plurality of low-voltage power distribution box mounting holes (94), and a plurality of air compressor controller mounting holes (95) are sequentially arranged on the electrical box mounting plate (9); and A low-voltage wire avoiding hole (121) is further formed in the stack body mounting part (12) on the side of the electrical box mounting plate (9) connected with the stack body.

8. The hydrogen fuel cell system integration framework according to claim 1, characterized in that, each of the fluid pre-connection interfaces (31) is mounted on the fluid inlet and outlet pre-connection panel (3) by a fastener; wherein a first insulating gasket (33) is provided between the mounting portion of the main coolant inlet pre-connection interface (314) and the main coolant outlet pre-connection interface (313) and the fluid inlet and outlet pre-connection panel (3); and a second insulating gasket (34) is provided between the mounting portion of the main coolant inlet pre-connection interface (314) and the main coolant outlet pre-connection interface (313) and the corresponding fastener.

9. The hydrogen fuel cell system integration framework according to claim 1, characterized in that, a lug (10) is provided around the main mounting plate (1).

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