CN219203209U

CN219203209U - Fuel cell system and vehicle

Info

Publication number: CN219203209U
Application number: CN202223502936.3U
Authority: CN
Inventors: 王飞; 赵德琦; 吴壬华
Original assignee: Shenzhen Shinry Technologies Co Ltd
Current assignee: Shenzhen Shinry Technologies Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-16
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a fuel cell system and a vehicle. The fuel cell system includes an air compressor and a DC-DC converter. The air compressor comprises a first shell, a compressor main body and a first cooling piece, wherein the first cooling piece is provided with a first cooling channel, and the first cooling channel is provided with a first input port and a first output port. The DC-DC converter comprises a second shell, a conversion main body and a second cooling piece, wherein the second cooling piece is provided with a second cooling channel, and the second cooling channel is provided with a second input port and a second output port. The first input port is fixedly connected with the second output port, and the first output port is fixedly connected with the second input port, so that the air compressor and the DC-DC converter share the cooling system for heat dissipation, and the air compressor and the DC-DC converter have miniaturized layout, thereby improving the space utilization efficiency of the fuel cell system and the vehicle.

Description

Fuel cell system and vehicle

Technical Field

The present utility model relates to the field of fuel cells, and more particularly, to a fuel cell system and a vehicle.

Background

The fuel cell is a chemical device for directly converting chemical energy of fuel into electric energy, and uses fuel and oxygen as raw materials, and has no mechanical transmission component, so that the discharged harmful gas is very little, and its service life is long. Fuel cells are a promising new power source from the standpoint of energy conservation and ecological environment protection.

However, at present, a cable connection is mostly adopted between an air compressor and a Direct Current-Direct Current (DC-DC) converter inside a fuel cell, and water cooling systems of the two are required to connect water pipes in series for heat dissipation, and conventional designs often adopt water pipes with water nozzle connectors for interconnection, which occupies a very large space of the fuel cell system and is unfavorable for the overall layout of the fuel cell system.

Disclosure of Invention

The present utility model provides a fuel cell system including:

the air compressor comprises a first shell and a compressor main body, wherein the compressor main body is accommodated in the first shell, the first shell is provided with a first cooling channel, the first cooling channel is provided with a first input port and a first output port, and the first input port and the first output port are exposed in the first shell;

the DC-DC converter comprises a second shell and a conversion main body, wherein the conversion main body is accommodated in the second shell, the second shell is provided with a second cooling channel, the second cooling channel is provided with a second input port and a second output port, and the second input port and the second output port are exposed in the second shell;

The first input port is fixedly connected with the second output port, and the first output port is fixedly connected with the second input port.

The first input port and the first output port are arranged at intervals, and the second input port and the second output port are arranged at intervals;

and the first input port is at least partially opposite to the second output port, and the first output port is at least partially opposite to the second input port.

The first shell comprises a first body and a first base, the first base is arranged on the first body in a protruding mode, and the first input port and the first output port penetrate through the first base;

the second shell further comprises a second body and a second base, the second base is arranged on the second body in a protruding mode, and the second input port and the second output port penetrate through the second base;

and the first base is at least partially opposite to the second base.

The first base is provided with a first through hole, and the second base is provided with a second through hole;

the fuel cell system further comprises a first connecting piece, wherein the first connecting piece penetrates through the first through hole and the second through hole to fixedly connect the air compressor and the DC-DC converter.

Wherein the fuel cell system further comprises a controller disposed in the DC-DC converter body, and the controller is electrically connected to and controls the compressor body.

The air compressor further comprises a signal input interface, the signal input interface is electrically connected with the compressor main body, the DC-DC converter further comprises a signal output interface, the signal output interface is electrically connected with the controller, and the signal input interface is electrically connected with the signal output interface.

The signal input interface comprises a first input terminal, a second input terminal and a third input terminal, wherein the first input terminal, the second input terminal and the third input terminal are arranged at intervals;

the signal output interface comprises a first output terminal, a second output terminal and a third output terminal, and the first output terminal, the second output terminal and the third output terminal are arranged at intervals;

the first input terminal is electrically connected with the first output terminal, the second input terminal is electrically connected with the second output terminal, and the third input terminal is electrically connected with the third output terminal.

The first shell further comprises a third base, the third base is fixed and protrudes to the first body, and the third base surrounds the signal input interface;

the second shell further comprises a fourth base, the fourth base is fixedly and convexly arranged on the second body, and the fourth base surrounds the signal output interface;

the third base is fixedly connected with the fourth base, and the third base is at least partially opposite to the fourth base.

Wherein the fuel cell system further comprises a sealing ring, the sealing ring comprising at least one of a first sub-sealing ring, a second sub-sealing ring and a third sub-sealing ring;

when the sealing ring comprises a first sub sealing ring, the first sub sealing ring is arranged on the periphery of the first input port and is used for being in sealing connection with the first input port and the second output port;

when the sealing ring comprises a second sub sealing ring, the second sub sealing ring is arranged on the periphery of the first output port and is used for being in sealing connection with the first output port and the second input port;

when the sealing ring comprises a third sub sealing ring, the third sub sealing ring is arranged on the periphery of the signal input interface and is used for being in sealing connection with the signal input interface and the signal output interface.

The utility model also provides a vehicle comprising the fuel cell system. In the fuel cell system provided by the embodiment of the application, the air compressor is provided with the first cooling channel, the first cooling channel is provided with the first input port and the first output port, the DC-DC converter is provided with the second cooling channel, the second cooling channel is provided with the second input port and the second output port, the first input port is fixedly connected with the second output port, so that the air compressor and the DC-DC converter share the cooling system to conduct split-flow heat dissipation, and the cooling pipeline connection between the air compressor and the DC-DC converter is reduced, so that the air compressor and the DC-DC converter are provided with a layout with small size, the layout of the whole fuel cell system is facilitated, the space utilization efficiency of the fuel cell system and the vehicle is improved, the process cost and the cooling liquid resistance of the whole fuel cell system are effectively reduced, and the fuel cell system and the vehicle achieve the energy-saving effect.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without the inventive effort.

Fig. 1 is a schematic diagram of an air compressor and a DC-DC converter according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a structure of a DC-DC converter according to an embodiment of the present utility model.

Fig. 3 is a partially enlarged schematic structural view of the DC-DC converter provided in fig. 2.

Fig. 4 is a schematic structural view of an air compressor according to an embodiment of the present utility model.

Fig. 5 is a perspective exploded structural view of an air compressor according to an embodiment of the present utility model.

Fig. 6 is a right-view structural schematic diagram of a DC-DC converter according to an embodiment of the present utility model.

Fig. 7 is a schematic rear view of a DC-DC converter according to an embodiment of the present utility model.

Fig. 8 is a schematic diagram of a left-hand structure of a DC-DC converter according to an embodiment of the present utility model.

Fig. 9 is a schematic structural view of a fuel cell system of an embodiment of the present utility model.

Fig. 10 is a schematic structural view of a vehicle according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1, 2, 3 and 4, fig. 1 is a schematic structural diagram of an air compressor and a DC-DC converter according to an embodiment of the present utility model, fig. 2 is a schematic structural diagram of a DC-DC converter according to an embodiment of the present utility model, fig. 3 is a schematic structural diagram of a partial enlarged DC-DC converter provided in fig. 2, and fig. 4 is a schematic structural diagram of an air compressor according to an embodiment of the present utility model. The present utility model provides a fuel cell system 10 including an air compressor 11 and a Direct Current-Direct Current (DC-DC) converter 12. The air compressor 11 includes a first housing 111 and a compressor body 112. The compressor body 112 is accommodated in the first housing 111, the first housing 111 has a first cooling passage 113, and the first cooling passage 113 has a first input port 1131 and a first output port 1132. The first input port 1131 and the first output port 1132 are exposed to the first housing 111. The DC-DC converter 12 includes a second housing 121 and a conversion body 122. The conversion body 122 is accommodated in the second housing 121. The second housing 121 has a second cooling passage 123. The second cooling channel 123 has a second input port 1231 and a second output port 1232, and the second input port 1231 and the second output port 1232 are exposed to the second housing 121. The first input port 1131 is fixedly connected to the second output port 1232, and the first output port 1132 is fixedly connected to the second input port 1231.

The air compressor 11 includes the first housing 111 and the compressor body 112, and the air compressor 11 may be configured to compress air to form a pressurized gas, and the pressurized gas reacts with hydrogen in the fuel cell system 10 after entering the fuel cell system 10. The first housing 111 accommodates the compressor main body 112. The material of the first housing 111 may be, but is not limited to, metal, alloy, plastic, etc.

The compressor body 112 may include, but is not limited to, an air inlet that may be connected to a pressurized gas inlet of the fuel cell system 10, an air outlet that may be connected to a pressurized gas outlet of the fuel cell system 10, etc., it should be understood that the compressor body 112 may also include other components, and that the other components of the compressor body 112 should not be limiting the air compressor 11 provided in this embodiment.

The first housing 111 has a first cooling channel 113, and the first cooling channel 113 may be, but is not limited to, a separate pipe or a groove design that fits into the first housing 111. The first cooling channel 113 may be a separate component, may be integrally formed with the first housing 111, or may be directly formed on the first housing 111, and it should be understood that the manner in which the first cooling channel 113 is formed should not be limited to the air compressor 11 provided in this embodiment, and the first cooling channel 113 may be formed by other process methods. The first cooling channel 113 is used for transporting a cooling medium, which may be, but is not limited to, water, oil, gas, etc.

The first cooling channel 113 has a first input port 1131 and a first output port 1132, and the first input port 1131 may be a port integrally formed with the first cooling channel 113, or may be a port connected to the first cooling channel 113 by welding or bonding. The shape of the first input port 1131 may be circular, square, or other irregular shapes, and in the schematic diagram of the present embodiment, the shape of the first input port 1131 is illustrated as a circular shape, so as to facilitate the design and implementation of the process. The number of the first input ports 1131 may be one, two or more, and in the schematic diagram of the present embodiment, the number of the first input ports 1131 is taken as one for illustration, so as to simplify the process flow and reduce the process cost.

The first output port 1132 may be a port integrally formed with the first cooling channel 113, or may be a port connected to the first cooling channel 113 by welding or bonding. The shape of the first output port 1132 may be circular, square, or other irregular shapes, and in the schematic diagram of the present embodiment, the shape of the first output port 1132 is illustrated as a circular shape, so as to facilitate the design and implementation of the process. The number of the first output ports 1132 may be one, two or more, and in the schematic diagram of this embodiment, the number of the first output ports 1132 is taken as an example to illustrate, so as to simplify the process flow and reduce the process cost.

The DC-DC converter 12 includes the second housing 121 and the conversion body 122, and the DC-DC converter 12 is operable to boost and stabilize an output voltage in the fuel cell system 10. The second housing 121 is configured to house the conversion body 122. The material of the second housing 121 may be, but is not limited to, metal, alloy, plastic, etc. The conversion body 122 may be configured to receive a first dc signal and output a second dc signal. The DC-DC converter 12 further includes other components, which are described in detail later in the present embodiment and are included in the second housing 121 and the conversion body 122 included in the DC-DC converter 12, and it should be understood that the other components of the DC-DC converter 12 should not be construed as limiting the DC-DC converter 12 provided in the present embodiment.

The second housing 121 has a second cooling channel 123, and the second cooling channel 123 may be, but is not limited to, a separate pipe or a groove design that fits into the second housing 121. The second cooling channel 123 may be a separate component, may be integrally formed with the second housing 121, or may be directly formed on the second housing 121, and it should be understood that the manner in which the second cooling channel 123 is formed should not be limited to the DC-DC converter 12 provided in this embodiment, and the second cooling channel 123 may be formed by other process methods. The second cooling channel 123 is used for transporting a cooling medium, which may be, but is not limited to, water, oil, gas, etc.

The second cooling channel 123 has a second input port 1231 and a second output port 1232, and the second input port 1231 may be a port integrally formed with the second cooling channel 123, or may be a port connected to the second cooling channel 123 by welding or bonding. The shape of the second input port 1231 may be circular, square, or other irregular shapes, and in the schematic diagram of the present embodiment, the shape of the second input port 1231 is illustrated as a circular shape, so as to facilitate the design and implementation of the process. The number of the second input ports 1231 may be one, two or more, and in the schematic diagram of the present embodiment, the number of the second input ports 1231 is taken as an example to illustrate, so as to simplify the process flow and reduce the process cost.

The second output port 1232 may be a port integrally formed with the second cooling channel 123, or may be a port connected to the second cooling channel 123 by welding or bonding. The shape of the second output port 1232 may be a circle, or a square, or other irregular shapes, and in the schematic diagram of the present embodiment, the shape of the second output port 1232 is illustrated as a circle, so as to facilitate the design and implementation of the process. The number of the second output ports 1232 may be one, two or more, and in the schematic diagram of this embodiment, the number of the second output ports 1232 is taken as an example to illustrate, so as to simplify the process flow and reduce the process cost.

The first input port 1131 and the first output port 1132 are exposed and disposed on the first housing 111, so as to facilitate fixedly connecting the first input port 1131 with the second output port 1232, and facilitate fixedly connecting the first output port 1132 with the second input port 1231. The first input port 1131 is fixedly connected with the second output port 1232, the first output port 1132 is fixedly connected with the second input port 1231, so that the air compressor 11 and the DC-DC converter 12 share a cooling system to perform split-flow heat dissipation, and the cooling pipeline connection between the air compressor 11 and the DC-DC converter 12 is reduced, so that the air compressor 11 and the DC-DC converter 12 have a small-size layout, thereby facilitating the layout of the whole fuel cell system 10, improving the space utilization efficiency of the fuel cell system 10, effectively reducing the process cost and the cooling liquid resistance of the whole fuel cell system 10, and further enabling the fuel cell system 10 to achieve the effect of energy conservation.

Please refer to fig. 1, 2, 3 and 4 again. The first input port 1131 is spaced from the first output port 1132, and the second input port 1231 is spaced from the second output port 1232. And the first input port 1131 is at least partially opposite to the second output port 1232, and the first output port 1132 is at least partially opposite to the second input port 1231.

The first input port 1131 may be, but is not limited to, entirely or partially directly opposite to the second output port 1232, so as to facilitate the circulation and dissipation of the cooling medium between the first cooling channel 113 and the second cooling channel 123 after the first input port 1131 is fixedly connected to the second output port 1232.

The first output port 1132 may be, but is not limited to, all right facing or partially right facing the second input port 1231, so that when the first output port 1132 is fixedly connected to the second input port 1231, the cooling medium is convenient to circulate and dissipate heat between the first cooling channel 113 and the second cooling channel 123, so that the air compressor 11 and the DC-DC converter 12 share a cooling system to perform split-flow heat dissipation, and a water tap joint for connecting and managing a cooling pipeline between the air compressor 11 and the DC-DC converter 12 is reduced, so that cost is effectively reduced, and space utilization efficiency of the fuel cell system 10 is improved due to a small-sized layout of the air compressor 11 and the DC-DC converter 12.

Please refer to fig. 1, 2, 3 and 4 again. The first housing 111 includes a first body 1111 and a first base 1112, the first base 1112 is disposed on the first body 1111 in a protruding manner, and the first input port 1131 and the first output port 1132 penetrate through the first base 1112. The second housing 121 further includes a second body 1211 and a second base 1212, wherein the second base 1212 is disposed on the second body 1211 in a protruding manner, and the second input port 1231 and the second output port 1232 penetrate through the second base 1212. And the first base 1112 is at least partially opposite the second base 1212.

The first housing 111 includes a first body 1111 and a first base 1112, and the first body 1111 may be a housing portion for accommodating the compressor main body 112. The first base 1112 may be, but is not limited to being, integrally formed with the first body 1111, or attached by welding, or by bonding. The first base 1112 is provided to be protruded from the first housing 111, thereby facilitating installation and fixation between the air compressor 11 and the DC-DC converter 12. The first input port 1131 and the first output port 1132 penetrate through the first base 1112, so as to facilitate fixedly connecting the first input port 1131 with the second output port 1232, and facilitate fixedly connecting the first output port 1132 with the second input port 1231.

The second housing 121 includes a second body 1211 and a second base 1212, and the second body 1211 may be a housing portion for housing the conversion body 122. The second base 1212 may be, but is not limited to being, integrally formed with the second body 1211, or attached by welding, or by bonding. The second base 1212 is convexly provided to the second housing 121, thereby facilitating installation and fixation between the DC-DC converter 12 and the air compressor 11. The second input port 1231 and the second output port 1232 penetrate through the second base 1212, so as to facilitate fixedly connecting the second input port 1231 with the first output port 1132, and facilitate fixedly connecting the second output port 1232 with the first input port 1131.

The first base 1112 may be, but is not limited to being, directly opposite to or partially opposite to the second base 1212, so as to facilitate installation and fixation between the DC-DC converter 12 and the air compressor 11, facilitate attachment and fixation between the first input port 1131 and the second output port 1232, and facilitate attachment between the first output port 1132 and the second input port 1231, so that a cooling medium may circulate between the first cooling channel 113 and the second cooling channel 123, and leakage of the cooling medium caused by connection failure between the first input port 1131 and the second output port 1232 is effectively avoided, and leakage of the cooling medium caused by connection failure between the first output port 1132 and the second input port 1231 is effectively avoided, thereby ensuring a heat dissipation effect and safe and normal operation of the fuel cell system 10.

Referring to fig. 2, 3, 4 and 5, fig. 5 is a schematic exploded perspective view of an air compressor according to an embodiment of the utility model. The first base 1112 is provided with a first through hole 1113 and the second base 1212 is provided with a second through hole 1213. The fuel cell system 10 further includes a first connecting member 13, where the first connecting member 13 is disposed through the first through hole 1113 and the second through hole 1213, and fixedly connects the air compressor 11 and the DC-DC converter 12.

The shape of the first through hole 1113 may be, but is not limited to, circular, square, or other shapes, and in the schematic diagram of the present embodiment, the shape of the first through hole 1113 is illustrated as a circular shape, so as to facilitate the design of the process flow. The number of the first through holes 1113 may be, but is not limited to, one, two, three or more, and in the schematic diagram of the present embodiment, the number of the first through holes 1113 is illustrated as four, so that there is a good fixing effect between the air compressor 11 and the DC-DC converter 12.

The shape of the second through hole 1213 may be, but is not limited to, a circle, a square, or other shapes, and in the schematic diagram of the present embodiment, the shape of the second through hole 1213 is illustrated as a circle, so as to facilitate the design of the process flow. The number of the second through holes 1213 may be, but is not limited to, one, two, three or more, and in the schematic diagram of the present embodiment, the number of the second through holes 1213 is illustrated as four, so that the air compressor 11 and the DC-DC converter 12 have a good fixing effect.

The first connector 13 may be, but is not limited to, a screw rod, a nut, an adhesive, a solder, or the like. The number of the first connectors 13 may be, but is not limited to, one, two, three or more, and in the schematic diagram of the present embodiment, the number of the first connectors 13 is four as an example, so that the air compressor 11 and the DC-DC converter 12 are well fixed by penetrating the first through hole 1113 and the second through hole 1213, respectively, so as to ensure the normal operation of the fuel cell system 10.

Please refer to fig. 2 again. The fuel cell system 10 further includes a controller 14, the controller 14 is disposed within the DC-DC converter 12 body, and the controller 14 is electrically connected to and controls the compressor body 112.

The controller 14 is configured to deliver a current signal to the compressor body 112 and to drive the operation and running of the air compressor 11. The controller 14 is disposed in the main body of the DC-DC converter 12, so that the DC-DC converter 12 has a flexible function design, which reduces the space occupation ratio of the air compressor 11 in the fuel cell system 10, and effectively improves the space utilization efficiency of the fuel cell system 10.

Please refer to fig. 2, 3 and 4 again. The air compressor 11 further includes a signal input interface 114, the signal input interface 114 is electrically connected to the compressor body 112, the DC-DC converter 12 further includes a signal output interface 124, the signal output interface 124 is electrically connected to the controller 14, and the signal input interface 114 is electrically connected to the signal output interface 124.

The signal input interface 114 may be an electrical interface, and the signal input interface 114 is electrically connected to the compressor body 112 and is used for transmitting a current signal to the compressor body 112, so as to drive the compressor body 112 to operate. The signal output interface 124 may be an electrical interface, and the signal output interface 124 is electrically connected to the controller 14 and is used for the controller 14 to output a current signal.

The signal input interface 114 is electrically connected to the signal output interface 124, so that a current signal output from the controller 14 is input to the compressor main body 112, and controls and drives the operation of the compressor main body 112. The signal input interface 114 and the signal output interface 124 may be, but are not limited to being, connected using a wire harness, thereby reducing the relatively expensive costs associated with connecting the signal input interface 114 to the signal output interface 124 using a counter-plug connector. The signal input interface 114 and the signal output interface 124 may be, but are not limited to, abutted or approximately abutted, so that the short-distance interconnection of the wires can be performed by using the wires, so that the space occupation ratio of the longer wires in the fuel cell system 10 is avoided, and the electromagnetic interference problem caused by the exposure of the longer wires to the outside of the fuel cell system 10 can be effectively avoided.

Please refer to fig. 2, 3 and 4 again. The signal input interface 114 includes a first input terminal 1141, a second input terminal 1142, and a third input terminal 1143, where the first input terminal 1141, the second input terminal 1142, and the third input terminal 1143 are disposed at intervals. The signal output interface 124 includes a first output terminal 1241, a second output terminal 1242 and a third output terminal 1243, and the first output terminal 1241, the second output terminal 1242 and the third output terminal 1243 are spaced apart from each other. The first input terminal 1141 is electrically connected to the first output terminal 1241, the second input terminal 1142 is electrically connected to the second output terminal 1242, and the third input terminal 1143 is electrically connected to the third output terminal 1243.

The first input terminal 1141 may be, but is not limited to, a conductive wire harness, or a conductive post, or other types of conductive members, and in the schematic diagram of the present embodiment, the first input terminal 1141 is illustrated as an example of a conductive wire harness, so that the air compressor 11 has a low process production cost.

The second input terminal 1142 may be, but is not limited to, a conductive wire harness, a conductive post, or other types of conductive members, and in the schematic diagram of the present embodiment, the second input terminal 1142 is illustrated as an example of a conductive wire harness, so that the air compressor 11 has a low process production cost.

The third input terminal 1143 may be, but is not limited to, a conductive wire harness, a conductive post, or other types of conductive members, and in the schematic diagram of the present embodiment, the third input terminal 1143 is illustrated as an example of a conductive wire harness, so that the air compressor 11 has a low process production cost.

The first input terminal 1141, the second input terminal 1142 and the third input terminal 1143 are disposed at intervals, so as to reduce electromagnetic interference generated among the first input terminal 1141, the second input terminal 1142 and the third input terminal 1143.

The first output terminal 1241 may be, but is not limited to, a conductive wire harness, a conductive post, or other type of conductive member, etc., in the schematic diagram of the present embodiment, the first output terminal 1241 is illustrated as an electrically conductive wire harness, so that the DC-DC converter 12 has a low process production cost. The materials of the first output terminal 1241 and the first input terminal 1141 may be the same or different, and it should be understood that the materials of the first output terminal 1241 and the first input terminal 1141 should not be limited to the fuel cell system 10 provided in this embodiment.

The second output terminal 1242 may be, but is not limited to, a conductive wire harness, a conductive post, or other types of conductive members, and in the schematic diagram of the present embodiment, the second output terminal 1242 is illustrated as an example of a conductive wire harness, so that the DC-DC converter 12 has a low process production cost. The material of the second output terminal 1242 may be the same as or different from the material of the second input terminal 1142, and it should be understood that the material of the second output terminal 1242 and the material of the second input terminal 1142 should not be limited to the fuel cell system 10 provided in the present embodiment.

The third output terminal 1243 may be, but is not limited to, a conductive wire harness, a conductive post, or other types of conductive members, and in the schematic diagram of the present embodiment, the third output terminal 1243 is illustrated as an example of a conductive wire harness, so that the DC-DC converter 12 has a low process production cost. The material of the third output terminal 1243 may be the same as or different from the material of the third input terminal 1143, and it should be understood that the material of the third output terminal 1243 and the material of the third input terminal 1143 should not be limited to the fuel cell system 10 provided in the present embodiment.

The first output terminal 1241, the second output terminal 1242 and the third output terminal 1243 are spaced apart from each other, thereby reducing electromagnetic interference generated between the first output terminal 1241, the second output terminal 1242 and the third output terminal 1243.

The first input terminal 1141 is electrically connected to the first output terminal 1241, the second input terminal 1142 is electrically connected to the second output terminal 1242, and the third input terminal 1143 is electrically connected to the third output terminal 1243, so that a current signal output by the controller 14 is input to the compressor main body 112, and the working operation of the compressor main body 112 is controlled and driven. In the schematic diagram provided in this embodiment, the first input terminal 1141, the first output terminal 1241, the second input terminal 1142, the second output terminal 1242, the third input terminal 1143, and the third output terminal 1243 are all exemplified as conductive wire bundles, so that the relatively expensive cost caused by the use of the interposed connector terminals is reduced, and the process cost of the fuel cell system 10 is effectively reduced.

Please refer to fig. 2, 3 and 4 again. The first housing 111 further includes a third base 1114, the third base 1114 is fixed to the first body 1111 in a protruding manner, and the third base 1114 surrounds the signal input interface 114. The second housing 121 further includes a fourth base 1214, where the fourth base 1214 is fixedly and convexly disposed on the second body 1211, and the fourth base 1214 surrounds the signal output interface 124. The third base 1114 is fixedly coupled to the fourth base 1214, and the third base 1114 is at least partially directly opposite the fourth base 1214.

The third base 1114 may be, but is not limited to being integrally formed with the first body 1111, or attached by soldering, or by adhesive. The third base 1114 is protruded from the first body 1111 so as to facilitate installation and fixation between the air compressor 11 and the DC-DC converter 12.

The third base 1114 is disposed around the signal input interface 114, so as to protect the first input terminal 1141, the second input terminal 1142, and the third input terminal 1143 from damage during installation, thereby reducing unnecessary material loss of the fuel cell system 10 and ensuring normal operation and operation of the fuel cell system 10.

The fourth base 1214 may be, but is not limited to being integrally formed with the second body 1211, or connected by soldering, or by bonding. The fourth base 1214 is convexly provided to the second body 1211, thereby facilitating installation and fixation between the air compressor 11 and the DC-DC converter 12.

The fourth base 1214 is disposed around the signal output interface 124, so as to protect the first output terminal 1241, the second output terminal 1242 and the third output terminal 1243 from damage during the installation process, thereby reducing unnecessary material loss of the fuel cell system 10 and ensuring normal operation and running of the fuel cell system 10.

The third base 1114 is fixedly coupled to the fourth base 1214. The third base 1114 and the fourth base 1214 may be, but are not limited to, all right facing or partially right facing, so as to facilitate the installation and fixation between the air compressor 11 and the DC-DC converter 12, and facilitate the alignment and fixation connection between the signal input interface 114 and the signal output interface 124, and protect the terminals of the signal input interface 114 and the signal output interface 124 from being damaged, thereby ensuring the normal operation and the running of the fuel cell system 10.

Please refer to fig. 4 again. The fuel cell system 10 further comprises a seal ring 15, the seal ring 15 comprising at least one of a first sub-seal ring 151, a second sub-seal ring 152 and a third sub-seal ring 153. When the seal ring 15 includes a first sub-seal ring 151, the first sub-seal ring 151 is disposed on a peripheral side of the first input port, and is used for sealing and connecting the first input port 1131 and the second output port 1232. When the seal ring 15 includes a second sub-seal ring 152, the second sub-seal ring 152 is disposed on a peripheral side of the first output port 1132, and is used for sealing and connecting the first output port 1132 and the second input port 1231. When the seal ring 15 includes a third sub-seal ring 153, the third sub-seal ring 153 is disposed on the peripheral side of the signal input interface 114, and is used for sealing and connecting the signal input interface 114 and the signal output interface 124.

The sealing ring 15 may be made of rubber, plastic, or other materials with electromagnetic shielding effect. The seal ring 15 may include at least one of a first sub-seal ring 151, a second sub-seal ring 152, and a third sub-seal ring 153, and in the schematic diagram of the present embodiment, the seal ring 15 includes the first sub-seal ring 151, the second sub-seal ring 152, and the third sub-seal ring 153, which are illustrated as examples, so that the air compressor 11 and the DC-DC converter 12 have good electromagnetic shielding effects.

The first sub-sealing ring 151 is disposed on the peripheral side of the first input port 1131, and is configured to be in sealing connection with the first input port 1131 and the second output port 1232, so as to avoid leakage of the cooling medium generated during circulation between the first cooling channel 113 and the second cooling channel 123, and avoid affecting normal operation and running of the fuel cell system 10.

The second sub-seal ring 152 is disposed on the peripheral side of the first output port 1132, and is configured to be in sealing connection with the first output port 1132 and the second input port 1231, so as to avoid leakage of the cooling medium generated during circulation between the first cooling channel 113 and the second cooling channel 123, and avoid affecting normal operation and running of the fuel cell system 10.

The third sub-sealing ring 153 is disposed on the peripheral side of the signal input interface 114, and is used for being connected with the signal input interface 114 and the signal output interface 124 in a sealing manner, so as to effectively avoid electromagnetic interference generated by other components of the fuel cell system 10 and the signal input interface 114 and the signal output interface 124, and reduce electromagnetic interference generated by the signal input interface 114 and the signal output interface 124 on other components of the fuel cell system 10, so that a good electromagnetic shielding effect is provided between the air compressor 11 and the DC-DC converter 12, and further, normal operation of the air compressor 11 and the DC-DC converter 12 is ensured, and normal operation of the fuel cell system 10 is further ensured.

Referring to fig. 6, 7, 8, 9 and 10, fig. 6 is a right-side schematic view of a DC-DC converter according to an embodiment of the present utility model, fig. 7 is a rear-side schematic view of a DC-DC converter according to an embodiment of the present utility model, fig. 8 is a left-side schematic view of a DC-DC converter according to an embodiment of the present utility model, fig. 9 is a schematic view of a fuel cell system according to an embodiment of the present utility model, and fig. 10 is a schematic view of a vehicle according to an embodiment of the present utility model. The utility model also provides a vehicle 1, said vehicle 1 comprising said fuel cell system 10. The fuel cell system 10 includes the air compressor 11, the DC-DC converter 12, and a fuel cell stack, where the DC-DC converter 12 may include, but is not limited to, a water pump interface 125, a thermistor (Positive Temperature Coefficient, PTC) interface 126, a control interface 127, a stack connection port 128, and the like, the water pump interface 125 is used to connect a water pump and a cooling system of the DC-DC converter 12, the PTC interface 126 is used to connect a PTC heater, the control interface 127 is used to transmit a control signal, the stack connection port 128 includes a positive connection terminal 1281 and a negative connection terminal 1282, and the stack interface is used to connect the fuel cell stack and to receive a current signal of the fuel cell stack.

In the fuel cell system 10 provided in this embodiment, the air compressor 11 has the first cooling channel 113, the first cooling channel 113 has the first input port 1131 and the first output port 1132, the DC-DC converter 12 has the second cooling channel 123, the second cooling channel 123 has the second input port 1231 and the second output port 1232, the first input port 1131 is fixedly connected with the second output port 1232, the first output port 1132 is fixedly connected with the second input port 1231, so that the air compressor 11 and the DC-DC converter 12 share the cooling system to perform split-flow heat dissipation, and further, the air compressor 11 and the DC-DC converter 12 have a small-sized layout, so that the layout of the whole fuel cell system 10 is facilitated, thereby improving the space utilization efficiency of the fuel cell system 10 and the vehicle 1, reducing the cooling pipeline connection between the air compressor 11 and the DC-DC converter 12, effectively reducing the process cost, and simultaneously reducing the cooling resistance of the whole fuel cell system 10 and the vehicle system 10, thereby achieving the energy-saving effect of the vehicle system 10.

The foregoing has outlined rather broadly the more detailed description of embodiments of the utility model, wherein the principles and embodiments of the utility model are explained in detail using specific examples, the above examples being provided solely to facilitate the understanding of the method and core concepts of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims

1. A fuel cell system, characterized by comprising:

2. The fuel cell system according to claim 1, wherein the first input port is spaced apart from the first output port and the second input port is spaced apart from the second output port;

3. The fuel cell system according to claim 1, wherein the first housing includes a first body and a first base, the first base is provided protruding from the first body, and the first input port and the first output port penetrate through the first base;

and the first base is at least partially opposite to the second base.

4. The fuel cell system according to claim 3, wherein the first base is provided with a first through hole, and the second base is provided with a second through hole;

5. The fuel cell system according to claim 4, further comprising a controller disposed within the DC-DC converter body, and the controller is electrically connected to and controls the compressor body.

6. The fuel cell system of claim 5, wherein the air compressor further comprises a signal input interface electrically connected to the compressor body, and wherein the DC-DC converter further comprises a signal output interface electrically connected to the controller, the signal input interface being electrically connected to the signal output interface.

7. The fuel cell system according to claim 6, wherein the signal input interface includes a first input terminal, a second input terminal, and a third input terminal, the first input terminal, the second input terminal, and the third input terminal being disposed apart from one another;

8. The fuel cell system according to claim 7, wherein the first housing further comprises a third base fixed and protruding to the first body, and the third base surrounds the signal input interface;

9. The fuel cell system of claim 8, further comprising a seal ring comprising at least one of a first sub-seal ring, a second sub-seal ring, and a third sub-seal ring;

10. A vehicle, characterized in that the vehicle comprises the fuel cell system according to any one of claims 1 to 9.