CN111114500A - Electric blowing control device for fuel cell bus - Google Patents
Electric blowing control device for fuel cell bus Download PDFInfo
- Publication number
- CN111114500A CN111114500A CN201811290353.4A CN201811290353A CN111114500A CN 111114500 A CN111114500 A CN 111114500A CN 201811290353 A CN201811290353 A CN 201811290353A CN 111114500 A CN111114500 A CN 111114500A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- cell system
- processing module
- signal processing
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
-
- 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
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The invention relates to an electric blowing control device for a fuel cell passenger car, which is connected with a fuel cell system, wherein the fuel cell system comprises a fuel cell system controller, a cleaning module connected with the fuel cell system controller and a finished car ON-gear power supply subsequent control loop. Compared with the prior art, the invention has the advantages of improving the safety, reducing the failure rate of the whole vehicle and the like.
Description
Technical Field
The invention relates to the technical field of fuel cell system equipment, in particular to an electric blowing control device for a fuel cell bus.
Background
The fuel cell passenger car has become a hot spot of a new energy passenger car, and the advantages of fast energy loading, high driving range, no pollution, low cost and the like are realized by adopting clean and renewable energy. However, the development of the current fuel cell is still in the initial stage, the current fuel cell system must perform "purging", namely power-off purging, after shutdown, mainly purging water and hydrogen in a pipeline after power off, which is a necessary process after the shutdown of the fuel cell, but at present, the operation is basically manually controlled, and the effectiveness and the safety cannot be guaranteed. This process is subject to relevant constraints, otherwise shut-downs may occur during power-down because the driver's careless pass through the full "purge" phase.
The fuel cell system is turned off while still working due to the professional habits of drivers and other accidents, so that the fuel cell system is not 'blown', and serious consequences are easily caused. Therefore, how to ensure that the whole vehicle is directly powered off due to accidents or artificial carelessness is an urgent problem to be solved when the fuel cell system works.
Disclosure of Invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and to provide an electric purge control apparatus for a fuel cell passenger vehicle.
The purpose of the invention can be realized by the following technical scheme:
an electric blowing control device for a fuel cell bus is connected with a fuel cell system, the fuel cell system comprises a fuel cell system controller, a cleaning module connected with the fuel cell system controller and a whole vehicle ON gear power supply subsequent control loop, the device comprises an emergency down electric switch, a fuel cell system work request switch and a signal processing module, the fuel cell system work request switch is connected with the input end of the fuel cell system controller, the output end of the fuel cell system controller is connected with the input end of the signal processing module, the emergency down electric switch is connected with the input end of the signal processing module, and the output end of the signal processing module is connected with the whole vehicle ON gear power supply subsequent control loop in parallel;
the fuel cell system work request switch provides an enabling signal to a fuel cell system controller, the fuel cell system controller judges whether the fuel cell system needs work or power-off purging, if the power-off purging is carried out, the purging module is controlled to carry out power-off purging, after the purging is finished, the input of the signal processing module is disconnected, the signal processing module outputs a signal to a power supply at a key source to realize power supply self-locking, an emergency power-off switch outputs a signal to the signal processing module, the signal processing module is powered off, a subsequent control loop of an ON-gear power supply of the whole vehicle in a self-locking state is not controlled by a key, and emergency power-off processing in a failure mode is realized; meanwhile, the signal processing module judges the system state and disconnects the power supply output after the completion of the confirmation.
Preferably, the signal processing module is connected with a subsequent control loop of the whole vehicle ON gear power supply in parallel through a diode, and the subsequent control loop of the whole vehicle ON gear power supply is connected with a normal electricity through a key ON gear switch.
Preferably, a relay is arranged between the diode and the normal electricity and is controlled by the signal processing module.
Preferably, the signal processing module is an on-vehicle ECU.
Preferably, the emergency lower electric switch is a normally closed disposable switch.
Preferably, the device further comprises a display screen for displaying the real-time status of the fuel cell system, and the display screen is connected with the output end of the fuel cell system controller.
Preferably, the device further comprises an alarm for prompting the driver for an emergency operation, and the alarm is connected with the output end of the fuel cell system controller.
Preferably, the alarm is an audible and visual alarm.
Preferably, the emergency power-off switch is arranged at a driving operation panel of the fuel cell passenger car, and the fuel cell system operation request switch is arranged at the driving operation panel of the fuel cell passenger car.
Preferably, the relay adopts a 24V relay.
Compared with the prior art, the invention has the following advantages:
(1) the invention controls the electric purging of the fuel cell system, provides the enable for the fuel cell system controller by using the work request switch of the fuel cell system, and the fuel cell system controller judges that the fuel cell system is powered off, so as to control the connection of the purging module of the fuel cell system to purge the hydrogen and water in the pipeline completely, compared with the manual control in the prior art, the invention improves the control efficiency and the accuracy;
(2) the emergency power-off switch can form self-locking through the power supply provided by the signal processing module, the signal processing module can cancel power supply output only after the purging is finished, when the signal processing module supplies power, a subsequent control loop of the whole vehicle ON gear power supply is not controlled by a key, misoperation of a driver can be prevented, and the control safety is improved; when the emergency power-off switch is pressed down, the system can go through the power-off process, the high voltage is sequentially cut off, and after the power supply is unlocked, the fuel cell system can be powered off immediately without purging under emergency conditions, so that the safety of the system is further improved;
(3) according to the invention, through the state fed back by the fuel cell system controller, the self-locking of the power supply of the whole vehicle is realized by using the signal processing module, so that the fuel cell system can be ensured to be powered off normally, the safety of the whole vehicle is improved, and the failure rate of the whole vehicle is reduced;
(4) the protection system in the device also comprises a display screen, wherein the display screen is arranged on the driving operation panel and is connected with the fuel cell controller, so that the state of the fuel cell system can be real-timely, and a driver can carry out standard operation according to the state displayed by the display screen;
(5) the protection system also comprises an alarm connected with the vehicle control unit, and the audible and visual alarm is adopted to remind a driver to execute emergency power-off processing in a special state, so that the safety is further improved;
(6) the display screen adopts the solar cell panel as the liquid crystal display screen of the auxiliary power supply, thereby being energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic configuration diagram of an electric purge control apparatus for a fuel cell passenger vehicle;
FIG. 2 is a schematic diagram of the circuit configuration of an electric purge control apparatus for a fuel cell passenger vehicle;
fig. 3 is a functional schematic diagram of an electric purge control apparatus for a fuel cell passenger vehicle.
The reference numbers in the figures indicate:
1. the system comprises a diode, 2, a fuel cell system controller, 3, an emergency power-off switch, 4, a fuel cell system work request switch, 5, a signal processing module, 6, a display screen, 7, an alarm, 8, a fuel cell system, 9, a driving operation panel, 10, a normal power supply, 11, a key ON gear switch, 12, a relay, 13 and a finished automobile ON gear power supply follow-up control loop.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
The invention relates to an electric purging control device for a fuel cell bus, which is used for avoiding the safety and quality problems caused by purging hydrogen and water in a pipeline before a fuel cell system is shut down. As shown in fig. 1, the device of the present invention includes a fuel cell system controller 2, an emergency power-off switch 3, a fuel cell system operation request switch 4, a signal processing module 5, a display screen 6 and an alarm 7. The signal processing module 5 is a signal identification processing circuit, and has an enable terminal, an input terminal and an output terminal. The fuel cell system controller 2 has an enable terminal, an input terminal, and an output terminal. The fuel cell system controller 2 is connected to a purge module of the fuel cell system. The fuel cell system operation request switch 4 is a switch provided beside the driving operation panel 9. The emergency power-off switch 3 is a one-time switch provided beside the driving operation panel 9. The display screen 6 is arranged on the driving operation panel and connected with the fuel cell system controller 2 for displaying the real-time system state. The alarm 7 is connected to the fuel cell system controller 2 for prompting the driver of an emergency operation. Preferably, the display screen 6 adopts a solar panel as a liquid crystal display screen of the auxiliary power supply; the alarm 7 is an audible and visual alarm. Preferably, the display screen adopts a solar cell panel as the liquid crystal display screen of the auxiliary power supply, so that the energy is saved and the environment is protected.
As shown in fig. 2, the output terminal of the fuel cell system controller 2 is connected to the input terminal of the signal processing module 5, the input terminal of the fuel cell system controller 2 is hard-wired to the fuel cell system operation request switch 4, and the fuel cell system operation request switch 4 provides an enable to the fuel cell system controller 2, so that it can determine whether an operation or a power-off purge is required. The signal processing module 5 is an on-vehicle ECU.
The emergency power-off switch 3 is connected with the input end of the signal processing module 5 through the relay 12, and the output end of the signal processing module 5 is connected in parallel with the whole vehicle ON gear power supply follow-up control loop 13 of the fuel cell system 8 through the diode 1, and is used for carrying out power distribution adjustment ON the front end to prevent power channeling. And a follow-up control loop 13 of the vehicle ON gear power supply is connected with a normal power supply 10 through a key ON gear switch 11. A relay 12 is arranged between the diode 1 and the normal electricity 10, and the relay 12 is controlled by the signal processing module 5. The emergency lower electric switch 3 is a normally closed switch and is self-locked mainly by a power supply provided by the signal processing module 5. The relay 12 is preferably a 24V relay. The normal electricity 10 is a circuit which is not controlled by a key door, is always communicated with the positive electrode of the storage battery and is not powered off.
The working principle of the invention is as follows:
the fuel cell system work request switch 4 provides an enabling signal to the fuel cell system controller 2, the fuel cell system controller 2 judges whether the fuel cell system 8 needs to work or be blown down, if the fuel cell system controller needs to be blown down, the cleaning module is controlled to be blown down, after the cleaning is finished, the input of the signal processing module 5 is disconnected, the signal processing module 5 outputs a signal through the fuel cell system controller 2, and the signal is fed back to a power supply at a key source through the diode 1 to realize self-locking. And meanwhile, the power supply self-locking is unlocked, so that the fuel cell system 8 can be powered off immediately without purging in an emergency.
The emergency power-off switch 3 outputs a signal to the signal processing module 5, and the signal processing module 5 is powered off for emergency power-off processing in a failure mode.
The subsequent control loop 13 of the ON-gear power supply of the whole vehicle under the self-locking condition is not controlled by a key so as to prevent misoperation of a driver. Meanwhile, the signal processing module 5 judges the system state and ensures that the power supply output is cut off after the completion. According to the invention, the self-locking of the power supply of the whole vehicle is realized by utilizing the signal processing module through the state fed back by the fuel cell system controller, so that the fuel cell system can be ensured to be powered off normally, the safety of the whole vehicle is improved, and the failure rate of the whole vehicle is reduced.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An electric purge control device for a fuel cell passenger vehicle is connected with a fuel cell system (8), the fuel cell system (8) comprises a fuel cell system controller (2), a cleaning module connected with the fuel cell system controller (2) and a subsequent control loop (13) of the ON-gear power supply of the whole vehicle, it is characterized in that the device comprises an emergency power-off switch (3), a fuel cell system work request switch (4) and a signal processing module (5), the fuel cell system work request switch (4) is connected with the input end of the fuel cell system controller (2), the output end of the fuel cell system controller (2) is connected with the input end of the signal processing module (5), the emergency power-off switch (3) is connected with the input end of the signal processing module (5), the output end of the signal processing module (5) is connected in parallel with a subsequent control loop (13) of the ON-gear power supply of the whole vehicle;
the fuel cell system work request switch (4) provides an enabling signal to the fuel cell system controller (2), the fuel cell system controller (2) judges whether the fuel cell system (8) needs to work or be blown down, if the fuel cell system controller needs to be blown down, the cleaning module is controlled to be blown down, after the blowing is finished, the input of the signal processing module (5) is cut off, the signal processing module (5) outputs a signal to a power supply at a key source to realize power supply self-locking, the emergency power down switch (3) outputs a signal to the signal processing module (5), the signal processing module (5) is powered off, a subsequent control loop (13) of an ON-gear power supply of the whole vehicle in a self-locking state is not controlled by a key, and the emergency power down processing in a failure mode is realized; meanwhile, the signal processing module (5) judges the system state and disconnects the power supply output after the completion of the confirmation.
2. The electric purge control device for fuel cell passenger car according to claim 1, wherein the signal processing module (5) is connected in parallel with the entire car ON-gear power supply follow-up control loop (13) through a diode (1), and the entire car ON-gear power supply follow-up control loop (13) is connected with the normal electricity (10) through a key ON-gear switch (11).
3. An electric purge control apparatus for a fuel cell passenger car according to claim 2, wherein a relay (12) is provided between the diode (1) and the normal electricity (10), and the relay (12) is controlled by the signal processing module (5).
4. An electric purge control apparatus for a fuel cell passenger car according to claim 3, wherein the signal processing module (5) is an on-board ECU.
5. An electric purge control apparatus for a fuel cell passenger car according to claim 3, wherein the emergency power-down switch (3) is a normally closed one-time switch.
6. An electric purge control apparatus for a fuel cell passenger vehicle according to claim 1, further comprising a display screen (6) for displaying the real time status of the fuel cell control system, the display screen (6) being connected to the output terminal of the fuel cell system controller (2).
7. An electric purge control apparatus for a fuel cell passenger car according to claim 1, further comprising an alarm (7) for prompting a driver for an emergency operation, the alarm (7) being connected to an output terminal of the fuel cell system controller (2).
8. An electric purge control apparatus for a fuel cell passenger car according to claim 7, wherein said alarm (7) is an audible and visual alarm.
9. An electric purge control apparatus for a fuel cell passenger car according to claim 5, wherein the emergency power-off switch (3) is provided at a drive operation panel (9) of the fuel cell passenger car, and the fuel cell system operation request switch (4) is provided at the drive operation panel (9) of the fuel cell passenger car.
10. An electric purge control apparatus for a fuel cell passenger car according to claim 3, wherein said relay (12) is a 24V relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290353.4A CN111114500A (en) | 2018-10-31 | 2018-10-31 | Electric blowing control device for fuel cell bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290353.4A CN111114500A (en) | 2018-10-31 | 2018-10-31 | Electric blowing control device for fuel cell bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111114500A true CN111114500A (en) | 2020-05-08 |
Family
ID=70494384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811290353.4A Pending CN111114500A (en) | 2018-10-31 | 2018-10-31 | Electric blowing control device for fuel cell bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111114500A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942232A (en) * | 2020-08-21 | 2020-11-17 | 安徽安凯汽车股份有限公司 | Delayed power-off control method for purging hydrogen fuel system of passenger car |
| CN114220992A (en) * | 2021-10-29 | 2022-03-22 | 东风汽车集团股份有限公司 | Purging system and purging method for fuel cell vehicle |
-
2018
- 2018-10-31 CN CN201811290353.4A patent/CN111114500A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942232A (en) * | 2020-08-21 | 2020-11-17 | 安徽安凯汽车股份有限公司 | Delayed power-off control method for purging hydrogen fuel system of passenger car |
| CN114220992A (en) * | 2021-10-29 | 2022-03-22 | 东风汽车集团股份有限公司 | Purging system and purging method for fuel cell vehicle |
| CN114220992B (en) * | 2021-10-29 | 2023-08-29 | 东风汽车集团股份有限公司 | Purging system and purging method for fuel cell vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107199891B (en) | Fuel cell automobile power-on and power-off control method, whole automobile controller and electric automobile | |
| US10179514B2 (en) | Battery charging system and battery charging method for electrically driven vehicle | |
| CN106926730B (en) | A kind of charge control method, device, remote data acquisition device and automobile | |
| CN112078423B (en) | Vehicle high-voltage power-on control method, vehicle control unit, system and vehicle | |
| CN113612283B (en) | Automatic power supplementing method for storage battery of pure electric vehicle | |
| CN111114500A (en) | Electric blowing control device for fuel cell bus | |
| CN107323433B (en) | Fault detection and maintenance method and device for vehicle and storage medium | |
| CN112977178B (en) | Power-off continuous hydrogen leakage monitoring system of fuel cell commercial vehicle | |
| CN209426575U (en) | A kind of fuel battery passenger car powers on Control protection system | |
| CN109398093B (en) | Control method, system and device of electronic cooling fan and pure electric vehicle | |
| CN110657920B (en) | Method for detecting concentration of hydrogen in vehicle based on T-BOX | |
| CN111186401A (en) | Photovoltaic type new energy automobile power management intelligent control system | |
| CN112373309A (en) | Method and system for automatically positioning insulation failure high-voltage component of new energy vehicle | |
| CN209426730U (en) | A kind of electricity purging control device for fuel battery passenger car | |
| CN208896889U (en) | The charge control system of electric car | |
| US10245969B2 (en) | Power source control device and power source control method | |
| CN111619354A (en) | Power-on and power-off control method for electric automobile | |
| CN110329036B (en) | Power supply control method of parking air conditioner | |
| CN111016662B (en) | Fuel cell passenger car power-off control method and system | |
| CN115626071A (en) | Intelligent power-on control method and system for pure electric vehicle | |
| CN110658303B (en) | T-BOX-based in-vehicle hydrogen concentration detection processing method | |
| CN209426610U (en) | A kind of motor-driven loading vehicle battery pack parameter display system | |
| CN203611776U (en) | Charging control system for electric bus and electric bus with charging control system | |
| CN203623398U (en) | Electric automobile power battery low temperature protection system device | |
| CN208855434U (en) | A kind of new energy vehicle power battery anticreeping fire alarm system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |