CN103528830A - Offline detection system and method of blade electric vehicle - Google Patents
Offline detection system and method of blade electric vehicle Download PDFInfo
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Abstract
The invention relates to an offline detection system and method for a blade electric vehicle. The offline detection system comprises a subsystem module, a digital quantity signal module, an analog quantity signal module, a display module, a vehicle controller and an off-chip EEPROM (electrical erasable programmable read only memory) storage module, wherein the off-chip EEPROM storage module is used for storing the state of an offline detection marker; the vehicle controller performs corresponding information interaction through reading/writing operation of the off-chip EEPROM storage module, detects signals of the digital quantity signal module through a digital detection channel and detects signals of the analog quantity signal module through an analog detection channel; and the subsystem module and the display module have information interaction with the vehicle controller through a CAN (controller area network) respectively. According to the system and the method, external equipment is not required; and offline detection is completed through existing parts of the vehicle, so that the uniformity of offline vehicles, the completeness of vehicle functions and the safety of the vehicles are guaranteed.
Description
Technical field
The present invention relates to new-energy automobile electric-control system, be specifically related to a kind of off-line detection system and method for pure electric automobile.
Background technology
Existing pure electronic off-line detection system normally uses that off-line test equipment assisted, and as " a kind of off-line detection system for pure electric automobile electric-control system " that Chinese patent literature is recorded, its publication number is: CN 102621978 A.In addition, due to the limitation of charging equipment and the restriction of production line, existing off-line test does not detect the charge function of charging equipment conventionally.
Summary of the invention
The off-line detection system and the method that the object of this invention is to provide a kind of pure electric automobile, without external equipment, existing parts by vehicle self complete off-line test, the security of can guarantee the to roll off the production line consistance of vehicle, the integrality of vehicle functions and vehicle.
The off-line detection system of pure electric automobile of the present invention and method, comprise subsystem module, digital quantity signal module, analog signals module, display module, the outer EEPROM memory module of entire car controller and sheet thereof, described outer EEPROM memory module is for storing the state of off-line test sign, entire car controller is by carrying out corresponding information interaction to the read/write operation of the outer EEPROM of sheet, entire car controller detects the signal of digital quantity signal module by digital detection channel, entire car controller detects the signal of analog signals module by analog detection passage, described subsystem module and display module carry out information interaction by CAN bus and entire car controller respectively.
Described subsystem module comprises battery management system, electric machine controller, charging set, DC converter and air-conditioner controller, carries out information interaction respectively by CAN bus and entire car controller.
The method that the off-line detection system of above-mentioned pure electric automobile detects, comprises the following steps:
When A, vehicle power on, entire car controller reads zone bit Flag1, the Flag2 of the outer EEPROM memory module of sheet, judges whether vehicle had carried out off-line test, if carried out off-line test, skip off-line test program, if do not have, enter off-line test;
Flow process that B, off-line test comprise that car load low-pressure system detects, high pressure powers on detects, electric current journey detects under high pressure, high-pressure system detects, fault handling detection and charge function detect;
B1, first carry out low-pressure system detection, under carrying out condition that high pressure powers on, vehicles failed carries out, whether entire car controller correctly judges the detected signal value of each controller in subsystem module, if all normal, low-pressure system detects and passes through, can enter the high pressure flow process that powers on and detect, otherwise off-line test failure detects and finishes;
The flow process that powers on b2, high pressure detects, entire car controller is according to the state transfer sequence in vehicle high pressure power up and state duration and enable condition, judge whether the high pressure flow process that powers on meets the requirements, if meet the requirements, the high pressure flow process that powers on detects and to pass through, can enter electric current journey under high pressure and detect, otherwise off-line test failure detects and finishes;
Under b3, high pressure, electric current journey detects, entire car controller is according to the state transfer sequence in electric process under vehicle high pressure and state duration and enable condition, judge under high pressure, whether electric current journey meets the requirements, if meet the requirements, under high pressure, the detection of electric current journey is passed through, can enter high-pressure system and detect, otherwise off-line test failure detects and finishes;
B4, high-pressure system detect, after system completes high pressure and powers on, entire car controller detects the duty of DC converter, the duty of the duty of compressor, PTC and instrument show information, if all meet the requirements, high-pressure system detects and passes through, can enter fault handling and detect, otherwise high-pressure system detects unsuccessfully, detection end;
B5, fault handling detect, and entire car controller is simulated corresponding car load catastrophic failure, and whether the entire car controller monitoring process of fault handling and the corresponding operating of execution be correct; If all correct, testing staff gets to Key_Off state by key, and entire car controller is changed the value of zone bit Flag1 automatically, can enter the detection of charge function, otherwise fault handling detects unsuccessfully, detects and finishes;
The detection of b6, charge function, can car load is controlled detection charging set realize the charging to battery, and finish the charging to battery while reaching corresponding conditions, if detecting, charging passes through, entire car controller is changed the value of zone bit Flag2 automatically, then by testing staff, charging connection wire is extracted, otherwise the detection of charge function failure detects and finishes.
In described steps A, zone bit Flag1, the Flag2 initial value of the outer EEPROM memory module of sheet are 1;
When Flag1=1, enter off-line test program, restriction Vehicle Driving Cycle function;
Work as Flag1=0, and during Flag2=1, enter charging trace routine, decontrol vehicle crawling function;
Work as Flag1=0, and during Flag2=0, skip off-line test program, system normally powers on, and vehicle repertoire is decontroled;
In described step b1, entire car controller is by the battery status information that reading subsystem module is sent in CAN bus, electric machine controller and motor status information, the signal message that simultaneously reads digital quantity signal module and analog signals module judges that it is whether within normal value range;
In described step b2, entire car controller is by the pre-charge-relay that reading subsystem module is sent in CAN bus, main positive relay, the main negative closure of relay and the duration of off-state and corresponding state, and the voltage uphill process of electric machine controller, judge whether the pre-charge process of system and the process that the complete high pressure of system powers on meet the requirements;
In described step b3, entire car controller is by the off-state of the pre-charge-relay that reading subsystem module is sent in CAN bus, main positive relay and main negative relay, and the electric capacity of electric machine controller lets slip journey soon, judge under high pressure, whether electric current journey meets the requirements;
In described step b4, entire car controller judges that whether the voltage of DC converter output meets normal output voltage range, if meet, passes through the detection of DC converter; Entire car controller and air-conditioner controller communicate coordination, and the power of consumption while detecting compressor with PTC work, when the difference of its output power and demand power is less than certain value, passes through the detection of compressor and PTC; Instrument demonstration information exchange is crossed testing staff and is observed instrument demonstration information, confirm that whether demonstration information is correct, if demonstration information is correct, testing staff hangs gear into P shelves, R shelves, N shelves, D shelves, N shelves, R shelves, P shelves according to order, to confirm that instrument shows that information is correct, entire car controller detects the variation confirmation instrument demonstration information detection of corresponding gear to be passed through;
In described step b5, when fault handling detects, pass through, when testing staff gets to Key_Off state by key, entire car controller changes to 0 by the value of zone bit Flag1;
In described step b6, entire car controller detect charging set whether have electric current output with and current value whether conform to charging demand current, and whether battery has electric current to enter, can complete charging end operation simultaneously, when charge function has detected, entire car controller changes to 0 by the value of zone bit Flag2.
In described step B, entire car controller is in real time to off-line test numbering, and sends to display module, and display module will be numbered accordingly and be resolved to corresponding word and show; If off-line test success, is shown and detected successful information by DVD, if off-line test failure, entire car controller is issued display module by off-line test mistake numbering, to show corresponding error message.
The present invention is without external equipment, existing parts by vehicle self complete off-line test, except some legacy devices are detected, the power system to pure electric automobile also, such as: battery, motor, electric machine controller, charging set and DC converter detect, the security of guaranteed the to roll off the production line consistance of vehicle, the integrality of vehicle functions and vehicle.Entire car controller has carried out in the first stage that low-pressure system detection, high pressure power on that flow process detects, electric current journey detects under high pressure, high-pressure system detects and fault handling detects.After detecting by the first stage, the crawling driving functions of vehicle is decontroled, vehicle can be driven to corresponding charging and detect station, then carries out the charging detection of subordinate phase, avoids the operation because of the length of charging wire and the position limitation production line of charging equipment.
Accompanying drawing explanation
Fig. 1 is the block diagram of the off-line detection system of pure electric automobile of the present invention;
Fig. 2 is off-line test software frame figure;
Fig. 3 is off-line test software flow pattern.
Embodiment
Now by reference to the accompanying drawings the present invention is described in further detail.
The off-line detection system of pure electric automobile as shown in Figure 1, comprise subsystem module 6, digital quantity signal module 3, analog signals module 4, display module 5, the outer EEPROM memory module 1 of entire car controller 2 and sheet thereof, described outer EEPROM memory module 1 is for storing the state of off-line test sign, entire car controller 2 is by carrying out corresponding information interaction to the read/write operation of the outer EEPROM of sheet, entire car controller 2 detects the signal of digital quantity signal module 3 by digital detection channel, entire car controller 2 detects the signal of analog signals module 4 by analog detection passage, described subsystem module 6 and display module 5 carry out information interaction by CAN bus and entire car controller 2 respectively.
As shown in Figures 2 and 3, the off-line test method of pure electric automobile of the present invention, comprises the following steps:
When A, vehicle power on, entire car controller 2 reads zone bit Flag1, the Flag2 of the outer EEPROM memory module 1 of sheet, judges whether vehicle had carried out off-line test, if carried out off-line test, skip off-line test program, if do not have, enter off-line test; The initial value of Flag1, Flag2 is all set to 1.
(1), when Flag1=1, enter off-line test program, restriction Vehicle Driving Cycle function;
(2) work as Flag1=0, and during Flag2=1, enter charging trace routine, decontrol vehicle crawling function;
(3) work as Flag1=0, and during Flag2=0, skip off-line test program, system normally powers on, and vehicle repertoire is decontroled.
Flow process that B, off-line test comprise that car load low-pressure system detects, high pressure powers on detects, electric current journey detects under high pressure, high-pressure system detects, fault handling detection and charge function detect;
B1, when Flag1=1, carry out low-pressure system detection, under carrying out condition that high pressure powers on, vehicles failed carries out, entire car controller 2 is by the battery status information that reading subsystem module 6 is sent in CAN bus, the status information of electric machine controller and motor, the signal message that simultaneously reads digital quantity signal module 3 and analog signals module 4 judges that it is whether within normal value range, if all normal, low-pressure system detects and passes through, can enter the high pressure flow process that powers on detects, otherwise off-line test unsuccessfully finishes, vehicle carries out corresponding rectification.
B2, low-pressure system detect to be passed through, and has guaranteed that signal communication is normal, can ensure the security that high pressure powers on.Now, program enters the high pressure flow process that powers on and detects, entire car controller 2 is by the pre-charge-relay that reading subsystem module 6 is sent in CAN bus, main positive relay, the main negative closure of relay and the duration of off-state and corresponding state, and the voltage uphill process of electric machine controller, judge whether the pre-charge process of system and the process that the complete high pressure of system powers on meet the requirements, if meet the requirements, the high pressure flow process that powers on detects and to pass through, can enter electric current journey under high pressure detects, otherwise off-line test failure, detects and finishes.
B3, enter under high pressure electric current journey and detect, entire car controller 2 is by the off-state of the pre-charge-relay that reading subsystem module 6 is sent in CAN bus, main positive relay and main negative relay, and the electric capacity of electric machine controller is let slip journey soon, judge under high pressure, whether electric current journey meets the requirements, if meet the requirements, under high pressure, the detection of electric current journey is passed through, and can enter high-pressure system and detect, otherwise off-line test failure, detects and finishes.
B4, high-pressure system detect, after system completes high pressure and powers on, entire car controller 2 detects the duty of DC converter, the duty of the duty of compressor, PTC and instrument show information, if all meet the requirements, high-pressure system detects and passes through, can enter fault handling and detect, otherwise high-pressure system detects unsuccessfully, detection end, wherein, whether the voltage that the detection of direct current variator is mainly judged to its output meets normal output voltage range, and the detection of compressor and PTC, mainly by entire car controller 2 and air-conditioner controller communication-cooperation, complete, the power consuming when main detection compressor and PTC work, when the difference of its output power and demand power is less than certain value, detect and pass through, instrument demonstration information exchange is crossed testing staff and is observed instrument demonstration information, confirm that whether demonstration information is correct, if demonstration information is correct, testing staff hangs the shelves into P according to order by gear, R shelves, N shelves, D shelves, N shelves, R shelves, P shelves, to confirm that instrument shows that information is correct, entire car controller detects the variation confirmation instrument demonstration information detection of corresponding gear to be passed through,
B5, fault handling detect, the corresponding car load catastrophic failure of entire car controller 2 simulation, whether the entire car controller 2 monitoring processes of fault handling and the corresponding operating of execution be correct, while coming support vehicles to break down, the protection parts of vehicle and support vehicles and personnel's safety, if all correct, the detection that can enter charge function, otherwise fault handling detects unsuccessfully, detect and finish; After fault handling detection is passed through, testing staff gets to Key_Off state by key, and entire car controller 2 is the value of change zone bit Flag1 automatically, and now, Flag1=0, represents that first stage detection completes.When vehicle powers on again, the wriggling function of vehicle is decontroled so that by Vehicle Driving Cycle to corresponding charging inspection turner position, carry out the detection of charge function, otherwise fault handling detects unsuccessfully, detection end.
B6, after fault handling detects and to pass through, now Flag1=0, and Flag2=1, the detection that can enter charge function, the detection of considering charge function needs the support of charging device and production line also will to be subject to the restriction of charging connection wire length, so charging detection station should be, independently detects station.Charge function detect mainly by entire car controller 2 detect charging sets whether have electric current output with and current value whether conform to charging demand current, and whether battery has electric current to enter, can complete charging end operation simultaneously, because the duration of charging is long, charging end signal during its off-line test is by entire car controller 2 self timing, after time arrives, simulation is sent.When charge function has detected, entire car controller 2 changes to 0 by the value of zone bit Flag2.Need afterwards testing staff that charging connection wire is extracted, completed whole off-line test program.When vehicle powers on again, zone bit Flag1=0, and Flag2=0, entire car controller 2 will be skipped off-line test program, and vehicle repertoire will be decontroled.
In described step B (being step b1 to b6), entire car controller 2 is numbered off-line test in real time, and send to display module 5, display module 5 will be numbered accordingly and be resolved to corresponding word and show, to facilitate prompting testing staff, the project that display module 5 is detecting now points out testing staff to do corresponding operation simultaneously; If off-line test success, is shown and detected successful information by DVD, if off-line test failure, entire car controller 2 is issued display module 5 by off-line test mistake numbering, to show corresponding error message, conveniently gets rid of vehicle trouble.
Claims (5)
1. the off-line detection system of a pure electric automobile, it is characterized in that: comprise subsystem module (6), digital quantity signal module (3), analog signals module (4), display module (5), the outer EEPROM memory module (1) of entire car controller (2) and sheet thereof, described outer EEPROM memory module is for storing the state of off-line test sign, entire car controller is by carrying out corresponding information interaction to the read/write operation of the outer EEPROM of sheet, entire car controller detects the signal of digital quantity signal module by digital detection channel, entire car controller detects the signal of analog signals module by analog detection passage, described subsystem module and display module carry out information interaction by CAN bus and entire car controller respectively.
2. the off-line detection system of pure electric automobile according to claim 1, it is characterized in that: described subsystem module (6) comprises battery management system, electric machine controller, charging set, DC converter and air-conditioner controller, by CAN bus and entire car controller (2), carry out information interaction respectively.
3. by the method that the off-line detection system of pure electric automobile detects as claimed in claim 2, it is characterized in that, comprise the following steps:
When A, vehicle power on, entire car controller (2) reads zone bit Flag1, the Flag2 of the outer EEPROM memory module (1) of sheet, judges whether vehicle had carried out off-line test, if carried out off-line test, skip off-line test program, if do not have, enter off-line test;
Flow process that B, off-line test comprise that car load low-pressure system detects, high pressure powers on detects, electric current journey detects under high pressure, high-pressure system detects, fault handling detection and charge function detect;
B1, first carry out low-pressure system detection, under carrying out condition that high pressure powers on, vehicles failed carries out, whether entire car controller (2) correctly judges the detected signal value of each controller in subsystem module (6), if all correct, low-pressure system detects and passes through, can enter the high pressure flow process that powers on and detect, otherwise off-line test failure detects and finishes;
The flow process that powers on b2, high pressure detects, entire car controller is according to the state transfer sequence in vehicle high pressure power up and state duration and enable condition, judge whether the high pressure flow process that powers on meets the requirements, if meet the requirements, the high pressure flow process that powers on detects and to pass through, can enter electric current journey under high pressure and detect, otherwise off-line test failure detects and finishes;
Under b3, high pressure, electric current journey detects, entire car controller is according to the state transfer sequence in electric process under vehicle high pressure and state duration and enable condition, judge under high pressure, whether electric current journey meets the requirements, if meet the requirements, under high pressure, the detection of electric current journey is passed through, can enter high-pressure system and detect, otherwise off-line test failure detects and finishes;
B4, high-pressure system detect, after system completes high pressure and powers on, entire car controller detects the duty of DC converter, the duty of the duty of compressor, PTC and instrument show information, if all meet the requirements, high-pressure system detects and passes through, can enter fault handling and detect, otherwise high-pressure system detects unsuccessfully, detection end;
B5, fault handling detect, and entire car controller is simulated corresponding car load catastrophic failure, and whether the entire car controller monitoring process of fault handling and the corresponding operating of execution be correct; If all correct, testing staff gets to Key_Off state by key, and entire car controller is changed the value of zone bit Flag1 automatically, can enter the detection of charge function, otherwise fault handling detects unsuccessfully, detects and finishes;
The detection of b6, charge function, can car load is controlled detection charging set realize the charging to battery, and finish the charging to battery while reaching corresponding conditions, if detecting, charging passes through, entire car controller is changed the value of zone bit Flag2 automatically, then by testing staff, charging connection wire is extracted, otherwise the detection of charge function failure detects and finishes.
4. the method that the off-line detection system of pure electric automobile detects according to claim 3, is characterized in that:
In described steps A, zone bit Flag1, the Flag2 initial value of the outer EEPROM memory module (1) of sheet are 1;
When Flag1=1, enter off-line test program, restriction Vehicle Driving Cycle function;
Work as Flag1=0, and during Flag2=1, enter charging trace routine, decontrol vehicle crawling function;
Work as Flag1=0, and during Flag2=0, skip off-line test program, system normally powers on, and vehicle repertoire is decontroled;
In described step b1, entire car controller (2) is by the battery status information that reading subsystem module (6) is sent in CAN bus, electric machine controller and motor status information, the signal message that simultaneously reads digital quantity signal module (3) and analog signals module (4) judges that it is whether within normal value range;
In described step b2, entire car controller is by the pre-charge-relay that reading subsystem module is sent in CAN bus, main positive relay, the main negative closure of relay and the duration of off-state and corresponding state, and the voltage uphill process of electric machine controller, judge whether the pre-charge process of system and the process that the complete high pressure of system powers on meet the requirements;
In described step b3, entire car controller is by the off-state of the pre-charge-relay that reading subsystem module is sent in CAN bus, main positive relay and main negative relay, and the electric capacity of electric machine controller lets slip journey soon, judge under high pressure, whether electric current journey meets the requirements;
In described step b4, entire car controller judges that whether the voltage of DC converter output meets normal output voltage range, if meet, passes through the detection of DC converter; Entire car controller and air-conditioner controller communicate coordination, and the power of consumption while detecting compressor with PTC work, when the difference of its output power and demand power is less than certain value, passes through the detection of compressor and PTC; Instrument demonstration information exchange is crossed testing staff and is observed instrument demonstration information, confirm that whether demonstration information is correct, if demonstration information is correct, testing staff hangs gear into P shelves, R shelves, N shelves, D shelves, N shelves, R shelves, P shelves according to order, to confirm that instrument shows that information is correct, controller detects the variation confirmation instrument demonstration information detection of corresponding gear to be passed through;
In described step b5, when fault handling detects, pass through, when testing staff gets to Key_Off state by key, entire car controller changes to 0 by the value of zone bit Flag1;
In described step b6, entire car controller detect charging set whether have electric current output with and current value whether conform to charging demand current, and whether battery has electric current to enter, can complete charging end operation simultaneously, when charge function has detected, entire car controller changes to 0 by the value of zone bit Flag2.
5. the method detecting according to the off-line detection system of pure electric automobile described in claim 3 or 4, it is characterized in that: in described step B, entire car controller (2) is numbered off-line test in real time, and send to display module (5), display module to number accordingly to resolve to corresponding word and show; If off-line test success, is shown and detected successful information by DVD, if off-line test failure, entire car controller is issued display module by off-line test mistake numbering, to show corresponding error message.
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |