氢燃料电池系统

Abstract

本申请提供了一种氢燃料电池系统，氢燃料电池系统包括：第一控制模块；第一降压模块和\或升压模块，第一降压模块电性连接于第一控制模块，升压模块电性连接于第一控制模块；第一散热模块，第一散热模块对应第一降压模块和\或升压模块设置；及第二控制模块，第二控制模块电性连接于第一降压模块和\或升压模块，第二控制模块用于驱动空压机。使得氢燃料电池系统具有多功能化的高效设计，进而使得氢燃料电池系统实现了轻量化、多功能化的布局。

Claims

1. A hydrogen fuel cell system characterized by comprising: The hydrogen fuel cell system includes: The first control module is used to detect whether the first DC voltage is greater than a preset value. A first buck module and / or a boost module, wherein the first buck module is electrically connected to the first control module, and when the first DC voltage is greater than a preset value, the first buck module receives the first DC voltage under the drive of the first control module and converts the first DC voltage into a second DC voltage, wherein the voltage value of the second DC voltage is less than the voltage value of the first DC voltage; the boost module is electrically connected to the first control module, and when the first DC voltage is less than a preset value, the boost module receives the first DC voltage under the drive of the first control module and converts the first DC voltage into a third DC voltage, wherein the voltage value of the third DC voltage is greater than the voltage value of the first DC voltage; A first heat dissipation module is configured corresponding to the first buck module and / or the boost module; and The second control module is electrically connected to the first step-down module and / or the step-up module, and is used to receive a second DC voltage or a third DC voltage and convert it into an AC voltage to drive the air compressor.

2. The hydrogen fuel cell system according to claim 1, characterized in that, The second control module includes a circuit board assembly, a capacitor and inductor assembly, and a second heat dissipation module. The second heat dissipation module is disposed between the circuit board assembly and the capacitor and inductor assembly and is used to dissipate heat from the circuit board assembly and the capacitor and inductor assembly. The second heat dissipation module is connected in series with the first heat dissipation module.

3. The hydrogen fuel cell system of claim 2, wherein, The circuit board assembly includes a power board and a control board. The power board is electrically connected to the first buck module and / or the boost module, and is used to receive a second DC voltage or a third DC voltage and convert it into an AC voltage. The control board is electrically connected to the power board and is used to control the voltage conversion of the power board.

4. The hydrogen fuel cell system of claim 1, wherein, The hydrogen fuel cell system also includes: A third control module is provided, which is arranged adjacent to the second control module, and is used to drive the hydrogen circulation pump. A power distribution module is stacked with the second control module and the third control module. One end of the power distribution module is electrically connected to the first step-down module and / or the step-up module and is used to receive a second DC voltage or a third DC voltage. The other end of the power distribution module is electrically connected to the second control module and the third control module and is used to distribute power to the second control module and the third control module. A first shielding plate is disposed between the power distribution module and the second and third control modules, and is used to reduce electromagnetic interference.

5. The hydrogen fuel cell system of claim 4, wherein The hydrogen fuel cell system also includes: The control port includes a first sub-port and a second sub-port. The first sub-port is electrically connected to the second control module and is used to output a first control signal. The second sub-port is electrically connected to the third control module and is used to output a second control signal. A capacitor filter adapter board is stacked with the first shielding plate, and the capacitor filter adapter board is disposed on the side of the first shielding plate closer to the second control module. One end of the capacitor filter adapter board is electrically connected to the second control module, and the other end of the capacitor filter adapter board is electrically connected to the first sub-port and used to transmit the first control signal. The second shielding plate is stacked on top of the capacitor filter adapter plate, and the second shielding plate is disposed on the side of the capacitor filter adapter plate closer to the third control module, and is used to reduce electromagnetic interference. A filter capacitor is disposed on the side of the power distribution module closer to the second control module, and the filter capacitor is used to filter the second DC voltage or the third DC voltage transmitted by the power distribution module.

6. The hydrogen fuel cell system of claim 1, wherein, The hydrogen fuel cell system also includes: An input component, which is electrically connected to the first buck module and / or the boost module, and is used to receive the first DC voltage; An output component, which is electrically connected to the first buck module and / or the boost module, and is used to output a second DC voltage or a third DC voltage; An input common-mode inductor, electrically connected to the input component, is used to filter out the ripple of the first DC voltage; and An output common-mode inductor is electrically connected to the output component and is used to filter out the ripple of the second DC voltage or the third DC voltage.

7. The hydrogen fuel cell system of claim 4, wherein The hydrogen fuel cell system further includes a housing for housing the first control module, the first buck module and / or the boost module, the first heat dissipation module, and the second control module. The housing includes: bottom wall; The first sidewall is bent and connected to the bottom wall, and forms a first receiving cavity. The first receiving cavity is used to receive the first control module, the first buck module, the first boost module and the first heat dissipation module, and the first control module, the first buck module, the first heat dissipation module and the boost module are stacked in sequence. The second sidewall is bent and connected to the bottom wall, and forms a second receiving cavity for accommodating the second control module; and The third sidewall is bent and connected to the bottom wall, and forms a third receiving cavity for accommodating the third control module.

8. The hydrogen fuel cell system of claim 7, wherein, The hydrogen fuel cell system further includes an energy storage inductor, which is electrically connected to the first control module, the first buck module, and / or the boost module, and is used to store and release energy. The housing also includes a fourth sidewall, which is bent and connected to the bottom wall, and the fourth sidewall and the bottom wall together form a fourth receiving cavity, in which the energy storage inductor is received; The hydrogen fuel cell system further includes a third heat dissipation module and a fourth heat dissipation module. The third heat dissipation module is disposed on the side of the bottom wall away from the energy storage inductor and is used to dissipate heat from the energy storage inductor. The third heat dissipation module is connected in series with the first heat dissipation module. The fourth heat dissipation module is disposed on the side of the bottom wall away from the second control module and is used to dissipate heat from the second control module. The fourth heat dissipation module is connected in series with the first heat dissipation module.

9. The hydrogen fuel cell system of claim 1, wherein, The first step-down module includes a step-down power module, and a step-down power device is provided on one side of the step-down power module. The hydrogen fuel cell system also includes a first protective adhesive, which covers the step-down power device. The boost module includes a boost power module, and a boost power device is provided on one side of the boost power module. The hydrogen fuel cell system also includes a second protective adhesive, which covers the boost power device.

10. The hydrogen fuel cell system of claim 1, wherein, The hydrogen fuel cell system also includes a fuel cell stack, an air compressor, and a hydrogen circulation pump.

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