CN220391063U - Off-grid hydrogen fuel cell automobile charging system - Google Patents
Off-grid hydrogen fuel cell automobile charging system Download PDFInfo
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- CN220391063U CN220391063U CN202321955931.8U CN202321955931U CN220391063U CN 220391063 U CN220391063 U CN 220391063U CN 202321955931 U CN202321955931 U CN 202321955931U CN 220391063 U CN220391063 U CN 220391063U
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000001257 hydrogen Substances 0.000 title claims abstract description 106
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 106
- 239000000446 fuel Substances 0.000 title claims abstract description 82
- 238000009826 distribution Methods 0.000 claims abstract description 54
- 238000003487 electrochemical reaction Methods 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of charging systems, in particular to an off-grid hydrogen fuel cell automobile charging system, which comprises a hydrogen fuel cell system, a power cell, a high-voltage power distribution unit and a charging module; the hydrogen fuel cell system is connected with the input end of the high-voltage power distribution unit, and the output end of the high-voltage power distribution unit is respectively connected with the power cell and the charging module. The charging system uses the hydrogen fuel cell, the hydrogen is utilized to carry out electrochemical reaction in the inside to generate electric energy, the electric energy is transmitted to the charging module through the high-voltage distribution unit to charge the electric automobile, the power battery provides electric energy for the starting of the hydrogen fuel cell and is used as a supplementary power supply in a special condition, the power battery is charged after the starting of the hydrogen fuel cell, and the whole system is not limited by the electric energy of a power grid and cannot be insufficient due to a useful peak.
Description
Technical Field
The utility model relates to the technical field of charging systems, in particular to an off-grid hydrogen fuel cell automobile charging system.
Background
In recent years, the market share of new energy electric vehicles is increasingly increased, and charging becomes a new problem, and the traditional charging pile mainly charges the vehicles by means of electric energy of a power grid, but in the situation that electric energy supply is insufficient in part of cities in recent years, if the demand for electric energy of the power grid is continuously increased, the problem of the electric energy supply shortage is more and more serious.
The hydrogen energy source is called a final energy source because the discharged product is water, it is pollution-free to the environment, and a large amount of hydrogen energy source exists in nature. The hydrogen energy industry chain mainly comprises three links of hydrogen production, hydrogen storage and hydrogen utilization. The hydrogen-using link is mainly a hydrogen fuel cell and a hydrogen engine, and the main application fields are road traffic, rail traffic and ships. However, due to the limitations of the vehicle-mounted hydrogen storage and transportation technology and the vehicle-mounted safety technology, the development of the vehicle-mounted hydrogen power device still needs a long process, and conversely, the application of the hydrogen power device to ground equipment can well avoid the disadvantages caused by the defects.
Considering the problems faced by the charging pile of the new energy automobile and the vehicle-mounted hydrogen power system comprehensively, I develop an off-grid hydrogen fuel cell automobile charging system, charge the new energy automobile by using a hydrogen fuel cell, and get rid of the limitation of a power grid.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model aims to provide an off-grid hydrogen fuel cell automobile charging system.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an off-grid hydrogen fuel cell automobile charging system comprises a hydrogen fuel cell system, a power cell, a high-voltage power distribution unit and a charging module; the hydrogen fuel cell system is connected with the input end of the high-voltage power distribution unit, and the output end of the high-voltage power distribution unit is respectively connected with the power cell and the charging module.
The utility model is further provided with: the hydrogen fuel cell system comprises a pile and an auxiliary BOP component for maintaining the operation of the fuel cell system, wherein the pile is connected with the auxiliary BOP component, and the hydrogen is used for generating electricity.
The utility model is further provided with: the charging system comprises a hydrogen fuel cell system, and is characterized in that a temperature sensor, a pressure sensor and an insulation detector are arranged in the hydrogen fuel cell system, the charging system further comprises a radiator, the radiator is connected with an inlet and an outlet of the hydrogen fuel cell system, and the temperature sensor and the pressure sensor are arranged between the radiator and the hydrogen fuel cell system.
The utility model is further provided with: the hydrogen fuel cell system also comprises a DC voltage converter DC/DC, wherein the DC voltage converter DC/DC has the protection functions of overvoltage, undervoltage, overcurrent and electric leakage.
The utility model is further provided with: and the output end of the charging module is connected with an external automobile to be charged.
The utility model is further provided with: the high-voltage loop is formed by the hydrogen fuel cell system, the power cell, the high-voltage distribution unit and the charging module, starting electric energy is provided for the hydrogen fuel cell system through the power cell, the auxiliary BOP component works, after the fuel cell is started, electrochemical reaction is carried out by utilizing hydrogen to generate electric energy, a small part of electric energy is used for maintaining the auxiliary BOP component to continuously work, the rest electric energy is output to the high-voltage distribution unit for distribution, the high-voltage distribution unit charges one part of electric energy for the power cell, and the other part of electric energy carries out direct-current fast charging on an automobile through the processing of the charging module.
The utility model is further provided with: the charging system also comprises a low-voltage distribution control unit, wherein the low-voltage distribution control unit comprises a low-voltage storage battery, a low-voltage distribution box and a control system; the low-voltage storage battery is connected with the low-voltage distribution box and the control system.
The utility model is further provided with: the control system comprises a remote equipment monitoring terminal T-BOX and a BOP controller; the remote equipment monitoring terminal T-BOX dynamically monitors the state of the system and records historical working data of equipment; the BOP controller is for controlling auxiliary BOP components in the hydrogen fuel cell system.
The utility model is further provided with: the low-voltage circuit is formed by connecting a low-voltage circuit of the hydrogen fuel cell system, the power cell, the high-voltage distribution unit and the low-voltage distribution control unit of the charging module, and the low-voltage distribution control unit provides low-voltage control electricity for the charging system and performs real-time control and state monitoring.
The utility model is further provided with: the off-grid hydrogen fuel cell automobile charging system is further provided with a hydrogen concentration sensor, the hydrogen concentration sensor is electrically connected with the control system, and when the hydrogen concentration sensor detects that hydrogen leaks, the control system is powered down and stopped.
In the utility model, the hydrogen fuel cell system utilizes hydrogen to carry out electrochemical reaction inside to generate electric energy, the electric energy is transmitted to the charging module through the high-voltage distribution unit to charge the electric automobile, and the low-voltage distribution unit and the control module provide low-voltage control electricity for the system and carry out real-time control and state monitoring. The power battery provides electric energy for the starting of the hydrogen fuel battery and is used as a supplementary power supply under special conditions, and the power battery is charged after the hydrogen fuel battery is started, so that the power battery is ensured to have enough electric quantity.
In summary, the technical scheme of the utility model has the following beneficial effects:
1. the charging system uses the hydrogen fuel cell to carry out electrochemical reaction in the hydrogen to generate electric energy, the electric energy is transmitted to the charging module through the high-voltage distribution unit to charge the electric automobile, the power battery provides electric energy for the starting of the hydrogen fuel cell and is used as a supplementary power supply in special conditions, the power battery is charged after the starting of the hydrogen fuel cell, and the whole system is not limited by electric energy of a power grid and cannot cause the problem of insufficient electric energy due to useful peaks.
2. The hydrogen fuel cell charging system does not need complicated power distribution of an additional device, does not need to externally introduce a high-voltage cable, and is safer.
3. The hydrogen fuel cell charging system is provided with a remote data monitoring terminal, so that the state of the monitoring equipment can be recorded and monitored in real time, and the stability and safety of the equipment are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of 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 that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a general structural diagram of an off-grid hydrogen fuel cell car charging system according to the present utility model.
Fig. 2 is a schematic diagram of a low voltage distribution control unit of an off-grid hydrogen fuel cell car charging system.
In the drawings, the list of components represented by the various numbers is as follows:
1-hydrogen fuel cell system, 11-pile, 12-auxiliary BOP component, 2-high voltage distribution unit, 3-charging module, 4-power battery, 5-low voltage distribution control unit.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described in the following with reference to the accompanying drawings, and based on the embodiments of the present utility model, other similar embodiments obtained by those skilled in the art without making any inventive effort should be included in the scope of protection of the present utility model. In addition, directional words such as "upper", "lower", "left", "right", and the like, as used in the following embodiments are merely directions with reference to the drawings, and thus, the directional words used are intended to illustrate, not to limit, the utility model.
The utility model will be further described with reference to the drawings and preferred embodiments.
Examples:
as shown in fig. 1-2, an off-grid hydrogen fuel cell car charging system according to a preferred embodiment of the present utility model comprises a hydrogen fuel cell system 1, a power cell 4, a high voltage power distribution unit 2 and a charging module 3; the hydrogen fuel cell system 1 is connected with the input end of the high-voltage power distribution unit 2, the output end of the high-voltage power distribution unit 2 is respectively connected with the power battery 4 and the input end of the charging module 3, and the output end of the charging module 3 is connected with an external automobile to be charged.
The hydrogen fuel cell system 1 includes a stack 11 and an auxiliary BOP component 12 for maintaining operation of the fuel cell system, and the stack 11 is connected to the auxiliary BOP component 12 to generate electric power using hydrogen gas.
The hydrogen fuel cell system 1 is internally provided with a temperature sensor, a pressure sensor and an insulation detector, the charging system further comprises a radiator, the radiator is connected with an inlet and an outlet of the hydrogen fuel cell system, and the temperature sensor and the pressure sensor are arranged between the radiator and the hydrogen fuel cell system 1. The temperature sensor and the pressure sensor monitor the water temperature and the water pressure of the inlet and outlet of the fuel cell system, and the control system controls the system in real time according to the current temperature and pressure data.
The structure can realize the over-temperature protection and insulation monitoring functions of the system, and when the working temperature of the system is abnormal, the controller sends out a control signal to control the rotating speed of the cooling fan to change the cooling capacity of the system or to stop the system. When the insulation resistance of the system is detected to be too low, the system gives out fault alarm, and when the system is severe, the system is powered down and stopped, and maintenance personnel wait for processing.
The hydrogen fuel cell system 1 further comprises a direct current voltage converter DC/DC having protection functions of overvoltage, undervoltage, overcurrent and electric leakage. When detecting overvoltage, undervoltage, overcurrent and leakage faults, the system cuts off high-voltage output, applies high-voltage power and can work again after waiting for the fault to be solved.
As shown in fig. 2, the charging system further includes a low-voltage distribution control unit 5, and the low-voltage distribution control unit 5 includes a low-voltage storage battery, a low-voltage distribution box, and a control system; the low-voltage storage battery is connected with the low-voltage distribution box and the control system. The control system comprises a remote equipment monitoring terminal T-BOX and a BOP controller; the remote equipment monitoring terminal T-BOX dynamically monitors the state of the system and records historical working data of equipment; the BOP controller is for controlling auxiliary BOP components in the hydrogen fuel cell system.
The off-grid hydrogen fuel cell automobile charging system is further provided with a hydrogen concentration sensor, the hydrogen concentration sensor is electrically connected with the control system, and when the hydrogen concentration sensor detects that hydrogen leaks, the control system is powered down and stopped.
As shown in fig. 1, during actual operation, the hydrogen fuel cell system 1, the power cell 4, the high-voltage distribution unit 2 and the charging module 3 form a high-voltage loop, the power cell 4 supplies power to the hydrogen fuel cell system 1, the low-voltage distribution control unit 5 starts the auxiliary BOP component 12, the fuel cell utilizes hydrogen to perform electrochemical reaction to generate electric energy after the system is started, the electric energy is output to the high-voltage distribution unit 2 for distribution, the high-voltage distribution unit 2 charges a part of electric energy for the power cell 4, and the other part of electric energy performs direct current fast charging on an automobile through the processing of the charging module 3.
Meanwhile, the hydrogen fuel cell system 1, the power cell 4, the high-voltage distribution unit 2 and the charging module 3 are connected with the low-voltage distribution control unit 5 to form a low-voltage loop, and the low-voltage distribution control unit 5 provides low-voltage control electricity for the whole charging system and performs real-time control and state monitoring.
In summary, the utility model uses the hydrogen fuel cell to generate electric energy by using the hydrogen to perform electrochemical reaction inside, and transmits the electric energy to the charging module to charge the electric automobile through the high-voltage distribution unit, the power battery provides electric energy for the starting of the hydrogen fuel cell and is used as a supplementary power supply in special conditions, after the hydrogen fuel cell is started, the power battery is charged, and the whole system is not limited by the electric energy of the power grid, so that the problem of insufficient electric energy caused by useful peaks is avoided.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. The off-grid hydrogen fuel cell automobile charging system is characterized by comprising a hydrogen fuel cell system, a power cell, a high-voltage power distribution unit and a charging module; the hydrogen fuel cell system is connected with the input end of the high-voltage power distribution unit, and the output end of the high-voltage power distribution unit is respectively connected with the power cell and the charging module.
2. The off-grid hydrogen fuel cell car charging system of claim 1, wherein the hydrogen fuel cell system comprises a stack and an auxiliary BOP component that maintains operation of the fuel cell system, the stack being coupled to the auxiliary BOP component and generating electricity from hydrogen.
3. The off-grid hydrogen fuel cell car charging system of claim 2, wherein the hydrogen fuel cell system is provided with a temperature sensor, a pressure sensor and an insulation detector; the charging system further comprises a radiator connected with an inlet and an outlet of the hydrogen fuel cell system, and the temperature sensor and the pressure sensor are arranged between the radiator and the hydrogen fuel cell system.
4. An off-grid hydrogen fuel cell car charging system according to claim 3, wherein the hydrogen fuel cell system further comprises a DC voltage converter DC/DC having protection functions of overvoltage, undervoltage, overcurrent and electric leakage.
5. The off-grid hydrogen fuel cell vehicle charging system of claim 4, wherein the output of the charging module is connected to an external vehicle to be charged.
6. The off-grid hydrogen fuel cell car charging system of claim 4, wherein the hydrogen fuel cell system, the power cell, the high voltage power distribution unit and the charging module form a high voltage loop; the power battery is used for providing starting electric energy for the hydrogen fuel battery system, the auxiliary BOP component works, after the fuel battery is started, electrochemical reaction is carried out by utilizing hydrogen to generate electric energy, a small part of electric energy is used for maintaining the auxiliary BOP component to continuously work, the rest of electric energy is output to the high-voltage distribution unit for distribution, the high-voltage distribution unit charges a part of electric energy for the power battery, and the other part of electric energy carries out direct-current fast charging on an automobile through the processing of the charging module.
7. The off-grid hydrogen fuel cell vehicle charging system of claim 6, further comprising a low voltage power distribution control unit comprising a low voltage battery, a low voltage power distribution box, and a control system; the low-voltage storage battery is connected with the low-voltage distribution box and the control system.
8. The off-grid hydrogen fuel cell car charging system of claim 7, wherein the control system comprises a remote equipment monitor terminal T-BOX and BOP controller; the remote equipment monitoring terminal T-BOX dynamically monitors the state of the system and records historical working data of equipment; the BOP controller is for controlling auxiliary BOP components in the hydrogen fuel cell system.
9. The off-grid hydrogen fuel cell car charging system according to claim 8, wherein the low-voltage circuit parts of the hydrogen fuel cell system, the power cell, the high-voltage distribution unit and the charging module are connected with the low-voltage distribution control unit to form a low-voltage loop, and the low-voltage distribution control unit provides low-voltage control power for the charging system and performs real-time control and state monitoring.
10. The off-grid hydrogen fuel cell vehicle charging system of claim 7, further comprising a hydrogen concentration sensor electrically connected to the control system, wherein the control system is powered down to a shutdown when the hydrogen concentration sensor detects a leak of hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955931.8U CN220391063U (en) | 2023-07-24 | 2023-07-24 | Off-grid hydrogen fuel cell automobile charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955931.8U CN220391063U (en) | 2023-07-24 | 2023-07-24 | Off-grid hydrogen fuel cell automobile charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220391063U true CN220391063U (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955931.8U Active CN220391063U (en) | 2023-07-24 | 2023-07-24 | Off-grid hydrogen fuel cell automobile charging system |
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| Country | Link |
|---|---|
| CN (1) | CN220391063U (en) |
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2023
- 2023-07-24 CN CN202321955931.8U patent/CN220391063U/en active Active
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