CN110154765A - A kind of series hybrid vehicle high pressure power-on and power-off control strategy - Google Patents
A kind of series hybrid vehicle high pressure power-on and power-off control strategy Download PDFInfo
- Publication number
- CN110154765A CN110154765A CN201910466810.9A CN201910466810A CN110154765A CN 110154765 A CN110154765 A CN 110154765A CN 201910466810 A CN201910466810 A CN 201910466810A CN 110154765 A CN110154765 A CN 110154765A
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- Prior art keywords
- relay
- power
- preliminary filling
- battery pack
- generating set
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention proposes a kind of series hybrid vehicle high pressure power-on and power-off control strategy for diesel generating set and two power source series hybrid vehicle of battery pack, the strategy include normally power on, normally under electric and urgent lower electricity Three models, under normal power up mode, the malfunction for needing to judge diesel generating set and battery pack is taken according to different fault state and corresponding powers on measure；Lower electric process lower electricity electric under being divided into normally and urgent, if not occurring the failure for shutting down vehicle during system electrification, lower electric process carries out normally lower power mode, otherwise carries out promptly lower power mode.
Description
Technical field
The invention belongs to Development of HEV Technology field, in particular to a kind of series hybrid vehicle high pressure power-on and power-off
Control strategy.
Background technique
Increasingly serious with energy and environment problem, automobile industry is just experiencing from orthodox car to new-energy automobile
It updates, and advantage of the hybrid vehicle due to taking into account pure electric vehicle and traditional vehicle, become one of China Automobile Industry
Important trend, Series Hybrid-Power Vehicle therein can realize the efficient operation of engine, and type motor-driven is flexible, in vapour
Garage's industry has obtained more application and development.To guarantee traffic safety, driving experience is promoted, the series connection of a safe and reasonable is designed
Hybrid vehicle high pressure power-on and power-off control strategy is particularly significant.
Existing high pressure power-on and power-off control strategy such as Chinese patent CN 105774589A, publication date are April 20 in 2016
Day, in only one power source of power up, the maximum drawback of this strategy is exactly that serious forgiveness is low, once this unique power
Machine halt trouble occurs for source, and power up just can not carry out, and vehicle also will be unable to travel.Based on this, the invention proposes a kind of high
Power-on and power-off control strategy is pressed, for the electric framework of use there are two power sources, the two power sources can be individually for vehicle
It powers on, can also power on simultaneously, it, still can be at another when ensure that vehicle machine halt trouble occurring for power source wherein
It is normally powered under the action of power source, improves the serious forgiveness of upward and downward electric process.
Summary of the invention
Present invention seek to address that the problem that current high pressure power-on and power-off strategy serious forgiveness is low, proposes a kind of dual power source and power on
Strategy, avoid vehicle unique power source occur machine halt trouble when, power up can not carry out so as to cause vehicle without
The case where method travels.
To achieve the above object, electric control plan above and below a kind of series hybrid vehicle high pressure according to an embodiment of the present invention
Slightly, it adopts the following technical scheme that
A kind of series hybrid vehicle high pressure power-on and power-off control strategy, including normal power up mode, normally descend power mode
With urgent lower power mode.
According to one embodiment of present invention, the normal power up mode powers on step and powers on for initialization, low pressure, is high
Pressure self-test, driving motor relay closure, preliminary filling, releasing preliminary filling, auxiliary relay closure, high pressure power on completion, therein pre-
It fills and releases the key link that preliminary filling process is power up, the two links are directed to the shutdown of diesel generating set and battery pack
Fault condition uses different methods, if diesel generating set and the equal no shutdown failure of battery pack, preliminary filling process is generator
Preliminary filling relay closure and BMS preliminary filling relay closure, releasing preliminary filling process is the positive relay closure of BMS master, BMS preliminary filling relay
Device disconnects, generator main relay closure and generator preliminary filling relay disconnect；If diesel generating set occur machine halt trouble and
Battery pack is good, then preliminary filling process is BMS preliminary filling relay closure, and releasing preliminary filling process is the positive relay closure of BMS master and BMS
Preliminary filling relay disconnects, and does not carry out any operation to the relay of diesel generating set in this case；If battery pack is shut down
Failure and diesel generating set is good, then preliminary filling process be generator preliminary filling relay closure, releasings preliminary filling process be generator
Main relay closure and generator preliminary filling relay disconnect, and do not carry out any operation to the relay of battery pack in this case.
According to one embodiment of present invention, the normally lower power mode, lower electric process be followed successively by the lower electricity of preparation, auxiliary after
Electric appliance disconnects, power-off, main positive relay is waited to disconnect, main negative relay disconnects, driving motor relay disconnects and lower electricity is completed,
If wherein diesel generating set and the equal no shutdown failure of battery pack, leading the operation that positive relay disconnection process carries out is battery pack
Main positive relay disconnects and generator main relay disconnects, if machine halt trouble occurs for diesel generating set, battery pack is good,
The operation that main positive relay disconnection process carries out is that the positive relay of battery pack master disconnects, if machine halt trouble occurs for battery pack and diesel oil
Generating set is good, then leads the operation that positive relay disconnection process carries out as the disconnection of generator main relay；Wherein lead negative relay
Device disconnection process only carries out the negative relay of battery pack master and disconnects, and there is no main negative relays for generator.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage combination following accompanying drawings of the invention will be to will become bright in the description of embodiment
It shows and is readily appreciated that, in which:
Fig. 1 is the process according to a kind of series hybrid vehicle high pressure power-on and power-off control strategy of the embodiment of the present invention
Figure；
A kind of high-voltage electrical apparatus schematic diagram that Fig. 2 is applicable in by the embodiment of the present invention and the description to each relay；
Fig. 3 is that the embodiment of the present invention carries out the pattern definition carried out when off-line test to each step；
Fig. 4 is that the embodiment of the present invention carries out high pressure or more in diesel generating set and the equal no shutdown failure of battery pack and ionizes
The result of line test；
Fig. 5 is that the embodiment of the present invention carries out high pressure or more when machine halt trouble and good battery pack occur for diesel generating set
The result of ionizing radiation test；
Fig. 6 is that the embodiment of the present invention carries out high pressure or more when machine halt trouble and good diesel generating set occur for battery pack
The result of ionizing radiation test；
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Since the groundwork structure and working principle of series hybrid formula hybrid vehicle are those skilled in the art institute
It notes, therefore this is no longer going to repeat them.
Below with reference to the accompanying drawings automatically controlled to describe a kind of series hybrid vehicle high pressure according to an embodiment of the present invention or more
System strategy, however, the present invention is not limited to these examples.
As shown in Figure 1, a kind of series hybrid vehicle high pressure power-on and power-off control strategy of the present invention, including it is normal
Power up mode, normally lower power mode and promptly lower power mode Three models.
The normal power up mode, powers on that step powers on for initialization, low pressure, high pressure self-test, driving motor relay close
Conjunction, preliminary filling, releasing preliminary filling, auxiliary relay closure, high pressure power on completion, and preliminary filling therein and releasing preliminary filling process are to power on
The key link of journey, the two links use different methods for the machine halt trouble situation of diesel generating set and battery pack,
If diesel generating set and the equal no shutdown failure of battery pack, preliminary filling process is generator preliminary filling relay closure and BMS preliminary filling
Relay closure, releasing preliminary filling process is that the positive relay of BMS master is closed, BMS preliminary filling relay disconnects, generator main relay closes
It closes and generator preliminary filling relay disconnects；If machine halt trouble occurs for diesel generating set and battery pack is good, preliminary filling process is
BMS preliminary filling relay closure, releasing preliminary filling process is that the positive relay closure of BMS master and BMS preliminary filling relay disconnect, in this case
Any operation is not carried out to the relay of diesel generating set；If machine halt trouble occurs for battery pack and diesel generating set is good,
Then preliminary filling process is generator preliminary filling relay closure, and releasing preliminary filling process is generator main relay closure and generator preliminary filling
Relay disconnects, and does not carry out any operation to the relay of battery pack in this case.
The normally lower power mode, lower electric process is followed successively by electricity under preparation, auxiliary relay disconnects, is waiting power-off, master just
Relay disconnects, main negative relay disconnects, driving motor relay disconnects and lower electricity is completed, wherein if diesel generating set and electricity
Chi Zujun no shutdown failure, then leading the operation that positive relay disconnection process carries out is the positive relay disconnection of battery pack master and generator
Main relay disconnects, if machine halt trouble occurs for diesel generating set, battery pack is good, leads positive relay disconnection process and carries out
Operation be that the positive relay of battery pack master disconnects, if machine halt trouble occurs for battery pack, diesel generating set is good, it is main just after
The operation that electric appliance disconnection process carries out is the disconnection of generator main relay；It wherein leads negative relay disconnection process and only carries out battery pack
Main negative relay disconnects, and there is no main negative relays for generator.
Fig. 2 top half show a kind of high-voltage electrical apparatus schematic diagram that this high pressure power-on and power-off control strategy is applicable in, lower half
Part is the description to relay used in the respectively high-voltage electrical apparatus schematic diagram.
Before carrying out off-line test to high pressure power-on and power-off control strategy of the invention, it is fixed that mode is carried out to each step first
Justice, enabling initialization procedure is mode 1, and low pressure power up is mode 2, and so on, along powering on the good each mistake of path definition
The mode value of journey has defined power path and has immediately defined lower power path, pattern definition situation such as Fig. 3 of final each step again later
It is shown.Defined and started off-line test after each mode, first progress diesel generating set and battery pack equal no shutdown failure when
Power-on and power-off off-line test, as a result as shown in figure 4, simulation the key opening time be 1s to 15s, it is seen that in this case
Electric process and lower electric process act normally and rationally meet the expected requirements；Then carry out diesel generating set occur machine halt trouble and
Power-on and power-off off-line test when battery pack is good, as a result as shown in Figure 5, it is seen that power up does not pass through mode 5,9 and of mode
Mode 10, these three modes respectively represent generator preliminary filling relay closing course, generator main relay closure as shown in Figure 3
Process generator preliminary filling relay disconnection process, it is seen that power up and lower electric process are acted normally and rationally met in this case
It is expected that requiring；Then it carries out battery pack and occurs machine halt trouble and power-on and power-off off-line test when good diesel generating set, as a result
As shown in Figure 6, it is seen that power up does not pass through mode 6, mode 7 and mode 8, these three modes respectively represent as shown in Figure 3
BMS preliminary filling relay closing course, BMS main relay closing course and BMS preliminary filling relay disconnection process, it is seen that in this case
Power up and lower electric process act normally and rationally meet the expected requirements.
Claims (1)
1. a kind of series hybrid vehicle high pressure power-on and power-off control strategy, it is characterised in that: including normal power up mode, normally
Lower power mode and promptly lower power mode；
In normal power up mode, powers on step and powered on for initialization, low pressure, is high pressure self-test, driving motor relay closure, pre-
It fills, release preliminary filling, auxiliary relay closure, high pressure and power on completions, preliminary filling therein and to release preliminary filling process be power up
Key link, the two links use different methods for the machine halt trouble situation of diesel generating set and battery pack, if bavin
Oily generating set and the equal no shutdown failure of battery pack, then preliminary filling process is generator preliminary filling relay closure and BMS preliminary filling relay
Device closure, release preliminary filling process be BMS master's positive relay closure, BMS preliminary filling relay disconnect, generator main relay closure and
Generator preliminary filling relay disconnects；If machine halt trouble occurs for diesel generating set and battery pack is good, preliminary filling process is that BMS is pre-
Relay closure is filled, releasing preliminary filling process is that the positive relay closure of BMS master and BMS preliminary filling relay disconnect, not right in this case
The relay of diesel generating set carries out any operation；If machine halt trouble occurs for battery pack and diesel generating set is good, in advance
Process is filled for generator preliminary filling relay closure, and releasing preliminary filling process is generator main relay closure and generator preliminary filling relay
Device disconnects, and does not carry out any operation to the relay of battery pack in this case；
In normal lower power mode, lower electric process is followed successively by the lower electricity of preparation, auxiliary relay disconnects, waits power-off, main positive relay
Disconnection, main negative relay disconnect, driving motor relay disconnects and lower electricity completion, wherein if diesel generating set and battery pack are equal
No shutdown failure, then leading the operation that positive relay disconnection process carries out is the positive relay disconnection of battery pack master and power generation owner's relay
Device disconnects, if machine halt trouble occurs for diesel generating set, battery pack is good, leads the operation that positive relay disconnection process carries out
It is disconnected for the positive relay of battery pack master, if machine halt trouble occurs for battery pack, diesel generating set is good, and it is disconnected to lead positive relay
The operation that open procedure carries out is the disconnection of generator main relay；Wherein lead negative relay disconnection process only carry out battery pack master it is negative after
Electric appliance disconnects, and there is no main negative relays for generator；In urgent lower power mode, it is disconnected that lower electric process is followed successively by all high-voltage relays
It opens and all low-voltage relays disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466810.9A CN110154765B (en) | 2019-05-31 | 2019-05-31 | High-voltage power-on and power-off control strategy for series hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466810.9A CN110154765B (en) | 2019-05-31 | 2019-05-31 | High-voltage power-on and power-off control strategy for series hybrid vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN110154765A true CN110154765A (en) | 2019-08-23 |
| CN110154765B CN110154765B (en) | 2020-06-30 |
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| CN201910466810.9A Expired - Fee Related CN110154765B (en) | 2019-05-31 | 2019-05-31 | High-voltage power-on and power-off control strategy for series hybrid vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768330A (en) * | 2019-10-18 | 2020-02-07 | 湖南小步科技有限公司 | Charging and discharging control method and device and UPS system |
| CN111923735A (en) * | 2020-08-13 | 2020-11-13 | 江苏理工学院 | High-low voltage power-on and power-off control method for pure electric vehicle |
| CN111994091A (en) * | 2020-08-25 | 2020-11-27 | 一汽解放青岛汽车有限公司 | Vehicle control method, device, storage medium and system |
| CN112319229A (en) * | 2020-11-06 | 2021-02-05 | 厦门金龙汽车新能源科技有限公司 | Power-on control method based on electric motor coach dual-power driving system |
| CN114709496A (en) * | 2021-12-31 | 2022-07-05 | 湖北亿纬动力有限公司 | Switch control circuit, control method of switch circuit, battery pack, and terminal |
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| CN114709496A (en) * | 2021-12-31 | 2022-07-05 | 湖北亿纬动力有限公司 | Switch control circuit, control method of switch circuit, battery pack, and terminal |
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| Publication number | Publication date |
|---|---|
| CN110154765B (en) | 2020-06-30 |
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Granted publication date: 20200630 |