CN207631011U - A kind of vehicle-mounted methanol fuel cell management system - Google Patents
A kind of vehicle-mounted methanol fuel cell management system Download PDFInfo
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- CN207631011U CN207631011U CN201721660730.XU CN201721660730U CN207631011U CN 207631011 U CN207631011 U CN 207631011U CN 201721660730 U CN201721660730 U CN 201721660730U CN 207631011 U CN207631011 U CN 207631011U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model is related to a kind of vehicle-mounted methanol fuel cell management systems, including fuel cell to connect DC DC, convert the chemical energy of fuel to electric energy；DC DC connections load, and the voltage for exporting fuel cell is converted into the voltage needed for load；DC DC connection secondary cells charge；Secondary cell connection load, for being load supplying；Power control module connects secondary cell, fuel cell and DC DC；Power control module connecting communication module is communicated by communication module with car terminals；Filtered air is sent into fuel cell by air feeder；Methanol feedway is sent into fuel cell after mixing filtered methanol in proportion with water.The utility model determines maximum speed per hour by comparing vehicle location and road conditions, pass through learner driver's driving habit, calculate mean power needed for automobile, it needs for lithium battery charge power, to realize to operation of fuel cell system power prediction according to lithium battery residual capacity and the determination of lithium battery performance.
Description
Technical field
The utility model is related to fuel cell field, specifically a kind of vehicle-mounted methanol fuel cell management system.
Background technology
Previous on-vehicle fuel management system is only to maintain fuel cell operation, is not related to fuel cell (group)
The intelligent management of operation can not predict demand power, also can not determine fuel according to load and lithium battery service condition
Battery (group) operation reserve shortens the service life of fuel cell to a certain extent, reduces fuel service efficiency.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of vehicle-mounted methanol fuel cell management system, is based on vehicle
The fuel cell demand power computational algorithm of location information, user's driving habit, lithium battery service condition, and it is directed to each combustion
The working condition for time, fuel battery inside parts used time and the fuel cell itself that material battery has used
Etc. reasonable distributions fuel cell operation status, improve fuel cell (group) bulk life time and fuel utilization efficiency, when should be right
Fuel cell system carries out maintenance.
The utility model technical solution used for the above purpose is：
A kind of vehicle-mounted methanol fuel cell management system, it is characterised in that：Including
Fuel cell, connection DC-DC are delivered to DC-DC for converting the chemical energy of fuel to electric energy；
DC-DC, connection load, the voltage for exporting fuel cell are converted into the voltage needed for load, are delivered to negative
It carries；DC-DC connection secondary cells charge for secondary cell；
Secondary cell, connection load, for being load supplying, while when automobile energy recycles (deceleration, descending, brake)
When, absorb the electric energy of recycling；
Power control module, connection secondary cell, fuel cell and DC-DC, for controlling its work；Power control module
Connecting communication module is communicated by communication module with car terminals；
Air feeder connects fuel cell, air is sent into fuel cell；
Methanol feedway connects fuel cell, fuel cell is sent into after methanol is mixed in proportion with water.
When the automobile energy recycling being usually deceleration, descending, brake.
The load includes high-voltage load, low-voltage load and motor；Wherein
The output voltage of fuel cell and secondary cell is converted to high-voltage load institute by high-voltage load by high pressure DC-DC
Need voltage；
The output voltage of fuel cell and secondary cell is converted to low-voltage load institute by low-voltage load by low voltage DC-DC
Need voltage；
Motor provides driving voltage by motor driver, when automobile energy recycles (deceleration, descending, brake), by machine
Tool can be converted into electric energy, and secondary cell charging is driven to by motor.
The secondary cell is lithium rechargeable battery, lithium polymer battery, Ni-MH battery, nickel-cadmium cell, lead accumulator
In one kind.
The air feeder includes air filter, and the air that will enter fuel cell is filtered；Air supplies
To module, filtered air is sent into fuel cell；
The methanol feedway includes methanol tank, for storing methanol；Methanol filter, it is miscellaneous in methanol for filtering
Matter；
Methanol supplying module, for being sent into fuel cell after mixing filtered methanol in proportion with water.
The vehicle-mounted methanol fuel cell management system further includes hydro-thermal management system, for handling fuel cell discharge
Tail gas and waste heat, including
Water recovery device, for methanol supplying module will to be sent into after partial tail gas cold filtration；
Exhaust extractor, for extra exhaust gas to be discharged by pipeline；
Heating retracting device, for providing hot-air using the waste heat of fuel cell for car；
Absorption type refrigerating unit, for providing cold air using the waste heat of fuel cell for car；
Radiator, for the extra heat of fuel cell to be dispersed into air.
The fuel cell includes several groups, and every group of fuel cell corresponds to one group of DC-DC.
The vehicle-mounted methanol fuel cell of the system manages method, includes the following steps：
Step 1：Car status information is obtained, in the data model in inputing power control module；
Step 2：The predicted travel state that current vehicle is judged according to vehicle traveling-position and destination information, if it is height
Fast transport condition then sets the target power of fuel cell to high-power output, if it is low-speed running state, by fuel
The target power of battery is set as small-power output；
Step 3：If the remaining capacity of current secondary battery is more than given threshold electricity, by the target of fuel cell unit
Power setting exports for small-power, is otherwise provided as high-power output.
Using fuel cell, externally output is first to comment fuel cell condition evaluation index in step 2 and/or 3
Valence is used according to fuel cell if fuel cell condition index meets the requirements, is not otherwise used, and prompt fuel
Battery is needed to maintain or be repaired.
Fuel cell condition evaluation index evaluation method is to press index from high to low progress to fuel cell by bubbling method
Priority ranking.
The evaluation index includes that fuel cell protect by usage time, discharge performance and the operation of fuel battery inside parts
Support situation.
The transport condition of vehicle when the high-speed travel state is speed >=80km/h；
The transport condition of vehicle when the low-speed running state is speed ＜ 80km/h.
The utility model has the advantages that and advantage：
1. determining maximum speed per hour by comparing vehicle location and road conditions, pass through learner driver's driving habit, meter
Mean power needed for automobile is calculated, needs to charge for secondary cell according to secondary cell remaining capacity and the determination of secondary cell performance
Power is realized to operation of fuel cell system power prediction；
2. by the operation of fuel cells for arranging to meet power demand quantity to the prediction of demand power, avoid opening all
The waste of service life caused by fuel cell and fuel；
3. by the way that each fuel cell in system, run time, each fuel cell operation situation, each fuel are electric
Pond inner components service condition is calculated, and system bulk life time is improved, and ensures the reliability of system operation, how prompts car owner
When fuel cell system should be maintained, be repaired；
4. usually pretrigger is carried out to fuel cell with vehicle situation by learner driver, when ensureing that driver enters automobile
Fuel cell is in running order, shortens the time that driver waits for fuel cell start-up；
5. by rationally providing hot-air and cold air using operation of fuel cells waste heat for car inside personnel, combustion is improved
Expect utilization ratio.
Description of the drawings
Fig. 1 is the system construction drawing of the utility model；
Fig. 2 is the method flow diagram of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Fig. 1 is the system construction drawing of the utility model.
Including fuel cell, for converting the chemical energy of fuel to electric energy；The electricity that DCDC is used to export fuel cell
Pressure is converted into the voltage needed for load, and controls the output power of fuel cell；Secondary cell is lithium ion battery, and lithium battery is used
In powering to the load, and it is connected to the fuel cell charging of DCDC；Power control module for control fuel cell, DCDC,
The work of lithium battery, and pass through communication module and automobile communication；Communication module between Power control module and automobile for exchanging
Data；The air that air filtration is responsible for enter fuel cell is filtered；Air supplying module send filtered air
Enter fuel cell；Methanol tank is for storing methanol；Methanol filtering is responsible for falling the contaminant filter in methanol；Methanol supplying module is negative
Duty is sent into fuel cell after being mixed in a certain ratio filtered methanol and water.
Hydro-thermal management is responsible for handling the tail gas and waste heat of fuel cell discharge；Water recovery section is cooled by partial tail gas
Methanol supplying module is sent into after filter；Exhaust gas discharge is responsible for extra exhaust gas being discharged by pipeline；Heating is transported using fuel cell
The extra waste heat of row provides hot-air for passenger inside the vehicle；Absorption refrigeration is multiplied using the extra waste heat of fuel cell operation for car
Visitor provides cold air；Radiator is for the extra heat of fuel cell to be dispersed into air；High pressure DCDC by fuel cell with
The output voltage of lithium battery, which is converted to, obtains voltage required for high-voltage load；Motor is driven to motor and provides power supply；Low-voltage DC/DC will
The output voltage of fuel cell and lithium battery, which is converted to, obtains voltage required for low-voltage load.The utility model has used controlling electric energy
Module and respective algorithms pass through the reasonable distributions such as geography information and user's custom, lithium battery capacity, each fuel cell usage time
The operation of fuel cell, to improve service life and efficiency of energy utilization, the shortening fuel cell start-up time of fuel cell.
For the high feature of the methanol fuel cell running temperature, propose waste heat using fuel cell operation to car
Hot-air is provided or provides cold air to car in the way of absorption refrigeration, further increases fuel utilization efficiency.
Embodiment：
System includes fuel cell (10kW high temperature methanols fuel cell) system n, for converting the chemical energy of fuel
For electric energy；It is used to convert the voltage (100~150V) that fuel cell exports to the one-to-one n DCDC of fuel cell negative
Voltage (300~380V) needed for carrying, and control the output power of fuel cell；1 group of lithium battery is used to power to the load, and
It is connected to the fuel cell charging of DCDC；Power control module is formed fuel cell control strategy for gathered data and is controlled with n
The work of fuel cell, n DCDC, lithium battery processed, and pass through communication module and automobile communication；Communication module is used for controlling electric energy
The swapping data of module and automobile；The air that air filtration is responsible for enter fuel cell is filtered；Air supplies mould
Filtered air is sent into fuel cell by block；Methanol tank (60L) is for storing methanol；Methanol filtering is responsible for will be miscellaneous in methanol
Matter filters out；Methanol supplying module is responsible for being sent into fuel cell after being mixed in a certain ratio filtered methanol and water；Hydro-thermal
The tail gas and waste heat of processing fuel cell discharge are responsible in management；Water recovery section will be sent into methanol after partial tail gas cold filtration
Supplying module；Exhaust gas discharge is responsible for extra exhaust gas being discharged by pipeline；Heating utilizes the extra waste heat of fuel cell operation
Hot-air is provided for passenger inside the vehicle；Absorption refrigeration provides cold sky using the extra waste heat of fuel cell operation for passenger inside the vehicle
Gas；Radiator is for the extra heat of fuel cell to be dispersed into air；High pressure DCDC is defeated by fuel cell and lithium battery
Go out voltage and is converted to required for high-voltage load to obtain voltage；Motor is driven to motor and provides power supply；Low-voltage DC/DC by fuel cell with
The output voltage of lithium battery, which is converted to, obtains voltage required for low-voltage load.
It is illustrated in figure 2 the method flow diagram of the utility model.
Include the following steps：
Step 1：Power control module obtains the information of vehicles such as vehicle position information, vehicle navigation information.
Step 2：Power control module obtains vehicle load power information.
Step 3：Power control module obtains lithium battery capacity, working condition information.
Step 4：Power control module merges existing driver vehicle in the past in Power control module according to information above
Use habit information carries out big data study.
Step 5：Whether Power control module is according to vehicle location in expressway, present road traffic status, driver
Destination, road speed limit situation etc. judge whether vehicle needs to run at high speed for a long time, i.e. high-power operation for a long time.Then will be
Fuel cell unit target power is set as high-power output, otherwise enters step 6.
Step 6：Power control module is according to feelings such as lithium battery capacity, cell voltage, usage time, lithium battery performance degradations
Condition determines whether vehicle lithium battery remaining capacity is more.It is to set fuel cell unit target power to small-power output, it is no
Then it is set as high-power output.
Step 7：Power control module obtains each fuel cell information such as usage time, health status.
Step 8：Power control module judges whether fuel cell health status is good, is successively, enters step 9, no
The fuel cell is then labeled as the fuel cell for avoiding using, and driver's fuel cell is prompted to need maintenance, repair.
Step 9：Power control module judges fuel cell usage time length successively, by the short fuel cell of usage time
It is used labeled as preferential, is use by the longer label of usage time.
Step 10：Power control module opens the fuel cell preferentially used.
Step 11：Power control module judges whether meet demand work(according to the sum of the power of fuel cell having turned on
Rate enters step 14, if being unsatisfactory for entering step 12 if meeting.
Step 12：Power control module opens the fuel cell that second priority uses.
Step 13：Power control module judges whether meet demand work(according to the sum of the power of fuel cell having turned on
Rate enters step 14, if being unsatisfactory for opening the fuel cell for avoiding using if meeting.
Step 14：Power control module adjusts the working condition of fuel cell, DCDC output powers in real time.
Step 15：Power control module adjusts each fuel battery air, methanol supply, hydro-thermal management in real time, is back to
Step 1.
Claims (6)
1. a kind of vehicle-mounted methanol fuel cell management system, it is characterised in that：Including
Fuel cell, connection DC-DC are delivered to DC-DC for converting the chemical energy of fuel to electric energy；
DC-DC, connection load, the voltage for exporting fuel cell are converted into the voltage needed for load, are delivered to load；
DC-DC connection secondary cells charge for secondary cell；
Secondary cell, connection load, for being load supplying, while when automobile energy recycles, absorbing the electric energy of recycling；
Power control module, connection secondary cell, fuel cell and DC-DC, for controlling its work；Power control module connects
Communication module is communicated by communication module with car terminals；
Air feeder connects fuel cell, air is sent into fuel cell；
Methanol feedway connects fuel cell, fuel cell is sent into after methanol is mixed in proportion with water.
2. vehicle-mounted methanol fuel cell management system according to claim 1, it is characterised in that：The load includes high pressure
Load, low-voltage load and motor；Wherein
The output voltage of fuel cell and secondary cell is converted to electricity needed for high-voltage load by high-voltage load by high pressure DC-DC
Pressure；
The output voltage of fuel cell and secondary cell is converted to electricity needed for low-voltage load by low-voltage load by low voltage DC-DC
Pressure；
Motor provides driving voltage by motor driver and converts mechanical energy to electric energy when automobile energy recycles, pass through
Motor is driven to secondary cell charging.
3. vehicle-mounted methanol fuel cell management system according to claim 1 or 2, it is characterised in that：The secondary cell
For one kind in lithium rechargeable battery, lithium polymer battery, Ni-MH battery, nickel-cadmium cell, lead accumulator.
4. vehicle-mounted methanol fuel cell management system according to claim 1, it is characterised in that：The air feeder
Including
Air filter, the air that will enter fuel cell are filtered；
Filtered air is sent into fuel cell by air supplying module；
The methanol feedway includes
Methanol tank, for storing methanol；
Methanol filter, for filtering the impurity in methanol；
Methanol supplying module, for being sent into fuel cell after mixing filtered methanol in proportion with water.
5. vehicle-mounted methanol fuel cell management system according to claim 1, it is characterised in that：It further include hydro-thermal management system
System, tail gas and waste heat for handling fuel cell discharge, including
Water recovery device, for methanol supplying module will to be sent into after partial tail gas cold filtration；
Exhaust extractor, for extra exhaust gas to be discharged by pipeline；
Heating retracting device, for providing hot-air using the waste heat of fuel cell for car；
Absorption type refrigerating unit, for providing cold air using the waste heat of fuel cell for car；
Radiator, for the extra heat of fuel cell to be dispersed into air.
6. according to claim 1,2,4 or 5 any one of them vehicle-mounted methanol fuel cell management systems, it is characterised in that：Institute
It includes several groups to state fuel cell, and every group of fuel cell corresponds to one group of DC-DC.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721660730.XU CN207631011U (en) | 2017-12-04 | 2017-12-04 | A kind of vehicle-mounted methanol fuel cell management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721660730.XU CN207631011U (en) | 2017-12-04 | 2017-12-04 | A kind of vehicle-mounted methanol fuel cell management system |
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| CN207631011U true CN207631011U (en) | 2018-07-20 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301875A (en) * | 2018-12-04 | 2019-02-01 | 清华四川能源互联网研究院 | Comprehensive energy dispatches system |
| CN109713337A (en) * | 2018-12-28 | 2019-05-03 | 中科军联（张家港）新能源科技有限公司 | Direct methanol fuel cell and lithium ion battery mixing output device and output method |
| CN110015206A (en) * | 2017-12-04 | 2019-07-16 | 中国科学院大连化学物理研究所 | A kind of vehicle-mounted methanol fuel cell management system and method |
| CN110525237A (en) * | 2019-08-30 | 2019-12-03 | 奇瑞商用车（安徽）有限公司 | The cogeneration system and its control method of electric automobile fuel battery |
| CN110884367A (en) * | 2019-11-28 | 2020-03-17 | 福州大学 | Variable structure fuel cell power supply system for vehicle |
| CN111200143A (en) * | 2018-11-19 | 2020-05-26 | 中国科学院大连化学物理研究所 | DCDC output current control system based on fuel cell |
| CN112751063A (en) * | 2019-10-31 | 2021-05-04 | 长城汽车股份有限公司 | Control method and device of fuel cell, battery management system and vehicle |
-
2017
- 2017-12-04 CN CN201721660730.XU patent/CN207631011U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015206A (en) * | 2017-12-04 | 2019-07-16 | 中国科学院大连化学物理研究所 | A kind of vehicle-mounted methanol fuel cell management system and method |
| CN111200143A (en) * | 2018-11-19 | 2020-05-26 | 中国科学院大连化学物理研究所 | DCDC output current control system based on fuel cell |
| CN111200143B (en) * | 2018-11-19 | 2021-04-02 | 中国科学院大连化学物理研究所 | DCDC output current control system based on fuel cell |
| CN109301875A (en) * | 2018-12-04 | 2019-02-01 | 清华四川能源互联网研究院 | Comprehensive energy dispatches system |
| CN109713337A (en) * | 2018-12-28 | 2019-05-03 | 中科军联（张家港）新能源科技有限公司 | Direct methanol fuel cell and lithium ion battery mixing output device and output method |
| CN110525237A (en) * | 2019-08-30 | 2019-12-03 | 奇瑞商用车（安徽）有限公司 | The cogeneration system and its control method of electric automobile fuel battery |
| CN112751063A (en) * | 2019-10-31 | 2021-05-04 | 长城汽车股份有限公司 | Control method and device of fuel cell, battery management system and vehicle |
| CN112751063B (en) * | 2019-10-31 | 2022-07-22 | 长城汽车股份有限公司 | Control method and device of fuel cell, battery management system and vehicle |
| CN110884367A (en) * | 2019-11-28 | 2020-03-17 | 福州大学 | Variable structure fuel cell power supply system for vehicle |
| CN110884367B (en) * | 2019-11-28 | 2022-08-09 | 福州大学 | Variable structure fuel cell power supply system for vehicle |
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