CN210149160U - Power hybrid fuel cell automobile power system - Google Patents
Power hybrid fuel cell automobile power system Download PDFInfo
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- CN210149160U CN210149160U CN201920638752.9U CN201920638752U CN210149160U CN 210149160 U CN210149160 U CN 210149160U CN 201920638752 U CN201920638752 U CN 201920638752U CN 210149160 U CN210149160 U CN 210149160U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model discloses a fuel cell car driving system, including traditional car body in white to and install fuel cell drive and high-pressure annex system, high-pressure distribution system and fuel cell hydrogen supply and exhaust system under cabin, floor and the trunk position before the automobile body respectively. The utility model discloses power hybrid fuel cell car driving system based on traditional car platform development reforms transform traditional fuel car and upgrades, and make full use of pile system and battery system combine driving characteristic, not only can solve traditional fuel car emission problem and environmental protection problem, also can regard as demonstration operation car to carry out fuel cell technology and promote, gradually reaches ultimate zero release target. The system has a plurality of functional modes, including: the power battery and the fuel battery are driven jointly and independently, and the vehicle is stopped to generate electricity, the vehicle is charged, the braking energy is recovered and the like.
Description
Technical Field
The invention relates to a fuel cell automobile technology, in particular to a power hybrid fuel cell automobile power system.
Background
Currently, there are three main types of fuel cell passenger vehicles: full power, energy compensated and power mixed; there are three main ways of developing fuel cell passenger vehicles: the method is based on the development of a traditional fuel vehicle platform, the development of a new energy pure electric platform and the development of a brand new fuel cell platform; because fuel cell vehicles are still in research and popularization stages and the infrastructure such as a hydrogen station is weak, the former two development modes are mainly adopted. The current state of the development of the domestic fuel cell technology is limited, and the current domestic market has no full-power type and power hybrid fuel cell passenger vehicle product for a while. Because the power of a pile system of the energy compensation type fuel cell vehicle is small, and the carried electric quantity is large (equivalent to EV), the energy compensation type fuel cell vehicle is generally developed by adopting the adaptability of a pure electric platform, such as Shang Qi Rong Wei 950 FCEV; the power of a pile system of the power hybrid fuel cell automobile can meet the requirements of most working conditions, the carried electric quantity is less (equivalent to PHEV), and the power hybrid fuel cell automobile is generally developed by adopting a traditional fuel vehicle platform; the power of a pile system of the full-power fuel CELL automobile can meet the requirements of basically all working conditions, so that the carried electric quantity is very small (equivalent to HEV), the full-power fuel CELL automobile is generally developed by adopting a traditional fuel vehicle platform, and the full-power fuel CELL automobile is mainly developed by taking the absolute leading positions of Europe, America and Japan and Korea, such as MiRAI, Clarity of Honda and Benz F-CELL.
The fuel cell automobile is a development trend of future automobiles as a representative of new energy automobiles, clean energy and zero emission. For the field of passenger vehicles, no relevant patent documents exist at present in the structural arrangement form and the corresponding combined working mode of a power hybrid fuel cell automobile power system developed based on a traditional fuel vehicle platform. The power hybrid fuel cell automobile power system developed based on the traditional fuel vehicle platform reforms and upgrades the traditional fuel vehicle, is closer to the origin of fuel cells, is the development trend of the fuel cell automobile under the condition of the current domestic technical level, can solve the emission problem of the traditional fuel vehicle, can be used as a demonstration operation vehicle to popularize the fuel cell technology, and gradually achieves the ultimate zero emission target.
Disclosure of Invention
Aiming at the development level of the existing fuel cell automobile, the invention aims to provide a power hybrid fuel cell automobile power system developed based on a traditional automobile platform.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power hybrid fuel cell automobile power system comprises a traditional automobile body-in-white, wherein a fuel cell driving and high-voltage accessory system is installed at the front section of the body-in-white, and a high-voltage power distribution system and a fuel cell hydrogen supply and exhaust system are installed at the middle and rear sections of the body;
the fuel cell driving and high-voltage accessory system comprises a power assembly front suspension fixedly arranged at the front part of a body-in-white, a power assembly rack is fixedly arranged on the power assembly front suspension, and a fuel cell stack, an electric control three-way valve, an air compressor controller, an air filter, a fuel cell expansion kettle, a deionizer, a high-voltage DCDC and an air compressor are fixedly arranged at the upper part of the power assembly rack; the lower part of the power assembly frame is fixedly provided with an electric drive system assembly, an exhaust humidifier and a high-pressure water pump; a warm air water pump and a wind heating PTC are fixedly arranged at the rear part of the power assembly frame; the front part of the electric drive system assembly is fixedly provided with an electric air conditioner compressor, an intercooler and a motor cooling water pump, and the rear part of the electric drive system assembly is fixedly provided with a battery cooling water pump and a power assembly rear suspension.
The high-voltage distribution system comprises a high-voltage battery system, a water heating PTC and a high-voltage distribution box which are fixedly arranged below the floor of the middle section of the body-in-white, and a DCDC and charger assembly which are fixedly arranged at the position of a trunk at the rear section of the body-in-white.
The fuel cell hydrogen supply and exhaust system comprises a hydrogen cylinder and an air inlet system which are fixedly arranged on the upper part of the rear section of the body-in-white, and an exhaust pipeline, a hydrogen inlet pipeline and an exhaust processing chamber which are fixedly arranged on the lower part of the body-in-white.
The invention has the beneficial effects that:
under the current domestic fuel cell technology development level, a power hybrid fuel cell automobile developed based on a traditional fuel vehicle platform can effectively solve the environmental problems of environmental pollution, excessive emission and the like as a representative of new energy automobiles, clean energy and zero emission, and meanwhile, the traditional fuel vehicle is reformed and upgraded, the combined driving characteristic of a pile system and a battery system is fully utilized, and the power hybrid fuel cell automobile can also be used as a demonstration operation vehicle to popularize the fuel cell technology, so that the ultimate zero emission target is gradually reached.
Drawings
FIG. 1 is a schematic diagram of a power hybrid fuel cell automotive power system;
FIG. 2-1 is a schematic diagram of a fuel cell power and high voltage accessory system 1;
fig. 2-2 is a schematic structural view of a fuel cell powered and high voltage accessory system 2;
FIG. 3 is a schematic diagram of a high voltage power distribution system;
FIG. 4 is a schematic diagram of a fuel cell hydrogen supply and exhaust system;
in the figure: 1 a traditional automobile body in white, 2 a fuel cell driving and high-voltage accessory system, 3 a high-voltage power distribution system, 4 a fuel cell hydrogen supply and exhaust system, 2-1 a fuel cell stack, 2-2 a warm air water pump, 2-3 an electric drive system assembly, 2-4 a battery cooling water pump, 2-5 a power assembly rear suspension, 2-6 a power assembly front suspension, 2-7 an electric control three-way valve, 2-8 a power assembly frame, 2-9 an exhaust humidifier, 2-10 an air heating PTC, 2-11 an air compressor controller, 2-12 an air filter, 2-13 a fuel cell expansion kettle, 2-14 a deionizer, 2-15 an electric air conditioner compressor, 2-16 a high-voltage DCDC, 2-17 an air compressor, 2-18 an intercooler and 2-19 a motor cooling water pump, the system comprises a 2-20 high-pressure water pump, a 3-1DCDC and charger assembly, a 3-2 high-pressure battery system, a 3-3 water-heating PTC, a 3-4 high-pressure distribution box, a 4-1 exhaust treatment chamber, a 4-2 hydrogen cylinder and air inlet system, a 4-3 exhaust pipeline and a 4-4 hydrogen inlet pipeline.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, the power hybrid fuel cell automotive power system of the present embodiment includes a conventional automotive body-in-white 1; the front section (front cabin position) of the vehicle body is provided with a fuel cell driving and high-voltage accessory system 2, and the middle and rear sections (under the floor and trunk position) of the vehicle body are provided with a high-voltage power distribution system 3 and a fuel cell hydrogen supply and exhaust system 4.
The fuel cell driving and high-voltage accessory system is shown in figures 2-1 and 2-2, and comprises a power assembly front suspension 2-6 fixedly arranged at the front part of a body-in-white 1 through bolts, a power assembly frame 2-8 fixedly arranged on the suspension through a suspension bracket and bolts, and a fuel cell stack 2-1, an electric control three-way valve 2-7, an air compressor controller 2-11, an air filter 2-12, a fuel cell expansion water bottle 2-13, a deionizer 2-14, a high-voltage DCDC2-16 and an air compressor 2-17 fixedly arranged at the upper part of the frame through brackets and bolts; the lower part of the frame is fixedly provided with an electric drive system assembly 2-3, an exhaust humidifier 2-9 and a high-pressure water pump 2-20 through a bracket and a bolt; the rear part of the frame is fixedly provided with a warm air water pump 2-2 and a warm air PTC2-10 through bolts; an electric air conditioner compressor 2-15, an intercooler 2-18 and a motor cooling water pump 2-19 are fixedly arranged at the front part of the electric drive system assembly through a support and bolts, and a battery cooling water pump 2-4 and a power assembly rear suspension 2-5 are fixedly arranged at the rear part of the electric drive system assembly through bolts. The whole fuel cell driving and high-voltage accessory system is connected through bolts, so that individual parts are convenient to disassemble and maintain, and support parts are designed finely, so that the volume is reduced as much as possible and the sharing principle of multiple assemblies is guaranteed.
As shown in fig. 3, the high-voltage power distribution system comprises a water heating PTC3-3 and a high-voltage distribution box 3-4 which are fixedly arranged at the lower part (under the floor) of the middle section of the body-in-white through a bracket and a bolt, a high-voltage battery system 3-2 is fixed at the lower part of the body-in-white through the brackets at the left side and the right side of the high-voltage battery system and the bolt, and a DCDC and charger assembly 3-1 is fixedly arranged at the upper part (the position of a trunk) of the rear section;
as shown in figure 4, the hydrogen supply and exhaust system of the fuel cell comprises a hydrogen cylinder and an air inlet system 4-2 which are fixedly arranged at the upper part of the rear section of a white vehicle body through a bracket and bolts, an exhaust pipeline 4-3 and a hydrogen inlet pipeline 4-4 are fixedly arranged at the lower part of the white vehicle body through pipe clamps and bolts, and an exhaust processing chamber 4-1 is fixedly arranged at the lower part of the white vehicle body through the bracket and the bolts.
The working principle of the power hybrid fuel cell automobile power system is as follows:
1) the working process of the power hybrid fuel cell automobile power system is as follows:
① air intake process:
hydrogen gas inlet: hydrogen enters a hydrogen cylinder through a hydrogen inlet and a valve body for storage, and the hydrogen in the hydrogen cylinder is conveyed to a fuel cell stack through a hydrogen inlet pipeline under the floor;
air intake: air enters an air compressor through an air filter, and the compressed air enters a fuel cell stack after being cooled and subjected to humidity increasing treatment through an exhaust humidifier
② Heat management Process:
the first process of the thermal management of the fuel cell driving and high-voltage accessory system comprises the following steps: the cooling liquid flows through the high-pressure water pump, the intercooler and the fuel cell stack and then flows through two water paths which are controlled to be switched on and off by the electric control three-way valve, and the cooling liquid in one water path directly flows back to the thermostat and the radiator to generate a cooling effect; the cooling liquid in one water path flows through the air heating PTC and the warm air under the action of the warm air water pump and flows back to the thermostat and the radiator to generate a heating effect; the fuel cell expansion kettle is responsible for water replenishing and gas returning in the heat management process, and the deionizer is responsible for the deionization function in the heat management process.
And (2) performing a second heat management process of the fuel cell driving and high-voltage accessory system: the cooling liquid flows through two water paths after being acted by a motor cooling water pump, and the cooling liquid in one water path flows through an air compressor controller, a high-voltage DCDC, an air compressor and an electric drive system assembly and then returns to the radiator to be responsible for cooling the front end part; and one water path of cooling liquid flows through the DCDC and the charger assembly and then returns to the radiator to be responsible for cooling the rear end part.
The thermal management process of the high-voltage battery system comprises the following steps: the cooling liquid flows through the water heating PTC and the battery after being acted by the battery cooling water pump and then returns to the intermediate heat exchanger device, and the PTC is used for controlling the heating and cooling modes of the high-voltage battery system through whether to start or not.
③ Fuel cell Power Generation Process:
hydrogen enters the anode through a gas diffusion layer in the fuel cell stack, electrons and hydrogen protons are generated under the action of an anode catalyst, the hydrogen protons reach the cathode through an electrolyte membrane, and chemically react with oxygen and the electrons to generate water under the action of a cathode catalyst, and the electrons generate current through an external circuit to release electric energy.
④ high voltage distribution process:
the electric energy generated by the fuel cell stack is subjected to voltage boosting treatment through the high-voltage DCDC and then is matched with the voltage of the power battery system, the output end of the power battery system and the output end of the power battery system are respectively connected to the high-voltage distribution box, the high-voltage distribution box and the power battery system are in parallel connection, and the power consumption units connected to the high-voltage distribution box are supplied with power singly or jointly.
2) Functional modes of a power hybrid fuel cell automobile power system:
① when the vehicle is stopped, if the SOC of the power battery drops to a certain threshold, the fuel battery generates electricity to charge the power battery.
② the power battery is driven independently, when the battery has high SOC, the power battery provides the electric energy for the motor to drive the vehicle.
③ the fuel cell is driven by itself, the fuel cell provides the electric energy to the motor to drive the vehicle.
④ the combined drive is that the power needed by the vehicle drive comes from the fuel battery and the power battery, the first mode is that when the power needed is larger than the maximum power of the fuel battery, the fuel battery works at the maximum power, the rest is supplemented by the power battery, the combined drive is carried out to ensure the power performance of the whole vehicle, the second mode is that the working point of the fuel battery is in a certain stable region, the power needed by the vehicle load change is supplemented by the power battery, and the service life of the fuel battery is ensured.
⑤ when the power needed by the vehicle is small and the SOC of the power battery is lower than a certain threshold, the fuel battery increases the power output to charge the power battery.
⑥ the braking energy is recovered, the driving motor is in generating mode, the kinetic energy is converted into electric energy, which is stored in the power battery to provide energy for the following motor driving.
Claims (3)
1. A power hybrid fuel cell automotive power system includes a conventional automotive body-in-white; the system is characterized in that a fuel cell driving and high-voltage accessory system is arranged at the front section of a body-in-white, and a high-voltage power distribution system and a fuel cell hydrogen supply and exhaust system are arranged at the middle and rear sections of the body;
the fuel cell driving and high-voltage accessory system comprises a power assembly front suspension fixedly arranged at the front part of a body-in-white, a power assembly rack is fixedly arranged on the power assembly front suspension, and a fuel cell stack, an electric control three-way valve, an air compressor controller, an air filter, a fuel cell expansion kettle, a deionizer, a high-voltage DCDC and an air compressor are fixedly arranged at the upper part of the power assembly rack; the lower part of the power assembly frame is fixedly provided with an electric drive system assembly, an exhaust humidifier and a high-pressure water pump; a warm air water pump and a wind heating PTC are fixedly arranged at the rear part of the power assembly frame; the front part of the electric drive system assembly is fixedly provided with an electric air conditioner compressor, an intercooler and a motor cooling water pump, and the rear part of the electric drive system assembly is fixedly provided with a battery cooling water pump and a power assembly rear suspension.
2. A hybrid power fuel cell automotive power system according to claim 1, wherein said high voltage power distribution system comprises a high voltage battery system, a water heating PTC and a high voltage distribution box fixedly mounted in an underfloor position in the middle section of the body-in-white, and a DCDC and charger assembly fixedly mounted in a trunk position in the rear section of the body-in-white.
3. A hybrid power fuel cell vehicle powertrain as in claim 1 wherein the fuel cell hydrogen supply and exhaust system comprises a hydrogen tank and an air intake system fixedly mounted to the upper portion of the rear body section, and an exhaust line, an intake hydrogen line and an exhaust treatment chamber fixedly mounted to the lower portion of the body section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920638752.9U CN210149160U (en) | 2019-05-07 | 2019-05-07 | Power hybrid fuel cell automobile power system |
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| CN201920638752.9U CN210149160U (en) | 2019-05-07 | 2019-05-07 | Power hybrid fuel cell automobile power system |
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| CN210149160U true CN210149160U (en) | 2020-03-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687916A (en) * | 2020-12-28 | 2021-04-20 | 北京理工大学 | Hybrid energy storage system for fuel cell vehicle |
| CN112757921A (en) * | 2020-12-24 | 2021-05-07 | 北京理工大学 | Automobile-used hybrid energy storage system based on lithium battery life prediction |
-
2019
- 2019-05-07 CN CN201920638752.9U patent/CN210149160U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757921A (en) * | 2020-12-24 | 2021-05-07 | 北京理工大学 | Automobile-used hybrid energy storage system based on lithium battery life prediction |
| CN112687916A (en) * | 2020-12-28 | 2021-04-20 | 北京理工大学 | Hybrid energy storage system for fuel cell vehicle |
| CN112687916B (en) * | 2020-12-28 | 2021-10-19 | 北京理工大学 | Hybrid energy storage system for fuel cell vehicle |
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