CN203211299U - Power control system for hybrid power vehicle - Google Patents
Power control system for hybrid power vehicle Download PDFInfo
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- CN203211299U CN203211299U CN2013201419808U CN201320141980U CN203211299U CN 203211299 U CN203211299 U CN 203211299U CN 2013201419808 U CN2013201419808 U CN 2013201419808U CN 201320141980 U CN201320141980 U CN 201320141980U CN 203211299 U CN203211299 U CN 203211299U
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Abstract
The utility discloses a power control system for a hybrid power vehicle. The power control system comprises a detection device (11) and a control device (12), wherein the detection device (11) is used for detecting fault information of a power system of the vehicle; the control device (2) is provided with a coordinative processing module (121) which is used for outputting a control command to other power components according to the fault information of at least one power component in the power system and ensuring that the vehicle runs normally; the input end of the coordinative processing module (121) is connected with the detection device (11) and the output end of the coordinative processing module (121) is connected with the power system. The power control system takes the possible influence of the fault of each power component on other power components into account and achieves mutually coordinative control among different power components by controlling the operation states of other components, thereby ensuring that the power system can normally run under the failure condition.
Description
Technical field
The utility model relates to the vehicle technology field, relates in particular to a kind of power control system for motor vehicle driven by mixed power.
Background technology
For motor vehicle driven by mixed power, generally include power system and power control system, power system comprises power parts such as driving engine, change speed gear box, motor and battery, power control system is by detecting and control each power part, realize fault recognition, fault management and fault handling, normally move down to guarantee that car load is nonserviceabled.
Please refer to Fig. 1, Fig. 1 is the structural representation of the power control system of motor vehicle driven by mixed power in the prior art.
As shown in Figure 1, the power control system of motor vehicle driven by mixed power of the prior art comprise detecting device 11 ' and control setup 12 ', detecting device 11 ' comprise driving engine detection part, the change speed gear box detection part, motor detection part and battery detecting parts, control setup 12 ' the have engine control module of comprising ECU (Electronic Control Unit), change speed gear box control module TCU (Transmission Control Unit), motor control module MCU (Motor Control Unit) and battery control module BMS (Battery Management System).The control module of above-mentioned each power part is connected between the detection part of this power part, this power part, and each detection part is connected with power part.
In the working process, each power part, its corresponding detection part and its corresponding control module three form a control circulation, and the control circulation with driving engine is that example is introduced its control process below:
The driving engine detection part detects the running condition of driving engine, if detect breakdown in the motor, export this failure message to engine control module, engine control module is analyzed or is calculated according to testing result and predefined control program, obtain the control command that solves this fault, and exporting this control command to driving engine, driving engine is carried out corresponding action according to this control command then, eliminates the fault of vehicle motor.
Correspondingly, above-mentioned change speed gear box detection part and change speed gear box control module also realize control to the change speed gear box running state by same mode.By that analogy, the mode of motor and battery is also identical, does not repeat them here.
Yet the countermeasure when above-mentioned power control system only considers in control process that single power part produces fault is not considered the running condition of other power parts to cause the power control effect undesirable.
In addition, power control system of the prior art only is applicable to a kind of vehicle of power type usually, for example be only applicable to parallel connection type hybrid power system, perhaps be only applicable to series connection type hybrid power system, in addition, above-mentioned power control system is only applicable to a kind of vehicle of propulsion source usually, and for example being only applicable to vehicle or battery pack that electric capacity is propulsion source is the vehicle of propulsion source.In a word, the Applicable scope of the power control system of motor vehicle driven by mixed power is less in the prior art, and is portable poor.
In view of this, demand urgently at above-mentioned technical matters the power control system of existing motor vehicle driven by mixed power being done further optimal design, strengthen the ability of its Coordination Treatment fault, and enlarge its Applicable scope.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is for providing a kind of power control system of motor vehicle driven by mixed power, and this power control system has Coordination Treatment ability preferably, and Applicable scope is extensive, and is better portable.
The utility model provides a kind of power control system of motor vehicle driven by mixed power, comprises detecting device and control setup, and described detecting device is for detection of the failure message of the power system of vehicle; Described control setup is provided with according to the failure message of at least one power part in the power system and exports control command to other power parts so that the Coordination Treatment module of the normal operation of vehicle; The input end of described Coordination Treatment module connects described detecting device, and its mouth connects described power system.
Preferably, described control setup is according to the too high failure message of bus current, exports the control setup of the control command of shutting theengine down by described Coordination Treatment module.
Preferably, described control setup also is provided with the independent processing module of controlling the mode of operation of this power part according to the failure message of arbitrary described power part; The input end of described independent processing module connects described detecting device, and its mouth connects described power system.
Preferably, described control setup is the failure message that reduces according to power of motor, reduce the control command of the moment of torsion of motor by described independent processing module output, by the moment of torsion of described Coordination Treatment module output increase driving engine, and the engine torque increase equals the control setup of the control command of Motor torque decrease.
Preferably, described Coordination Treatment module comprises and the adaptive parallel Coordination Treatment module of parallel power system and the tandem Coordination Treatment module adaptive with the tandem power system.
Preferably, described independent processing module comprises and the adaptive parallel independent processing module of parallel power system and the tandem independent processing module adaptive with the tandem power system.
Preferably, described Coordination Treatment module comprises and the adaptive condenser Coordination Treatment module of condenser power system and the battery pack formula Coordination Treatment module adaptive with battery pack formula power system.
Preferably, described independent processing module comprises and the adaptive independent processing module of condenser of condenser power system and the battery pack formula independent processing module adaptive with battery pack formula power system.
Preferably, described Coordination Treatment module, described independent processing module all are divided at least two grades according to the fault order of severity of described power part with failure message, and are provided with corresponding control command according to each different brackets.
Preferably, described control setup is for output stops the control command of motor operation according to level fault, and output significantly reduces the control command of power of motor according to secondary failure, slightly reduces the control setup of the control command of power of motor according to three grades of fault outputs.
The utility model provides a kind of power control system of motor vehicle driven by mixed power, and its control setup is provided with according to the failure message of at least one power part in the power system and exports control command to other power parts so that the Coordination Treatment module of the normal operation of vehicle; The input end of described Coordination Treatment module connects described detecting device, and its mouth connects described power system.
Above-mentioned power control system has taken into full account the influence that the fault of each power part may cause other power parts, and by controlling the running state of miscellaneous part, realized the mutual coordination control between the different dynamic parts, make power system can be under the situation that fault exists the whole state that is in normal operation.
Description of drawings
Fig. 1 is the structural representation of the power control system of motor vehicle driven by mixed power in the prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of power control system that the utility model provides;
Fig. 3 is the detailed construction scheme drawing of Fig. 2;
Fig. 4 is the FB(flow block) of a kind of specific embodiment of power-control method that the utility model provides;
Fig. 5 is the FB(flow block) of the another kind of specific embodiment of power-control method that the utility model provides.
Wherein, the Reference numeral among Fig. 1 and the corresponding relation between the component names are:
Detecting device 11 '; Control setup 12 '; Power system 100 ';
Reference numeral and the corresponding relation between the component names among Fig. 2 and Fig. 3 are:
Detecting device 11; Control setup 12; Coordination Treatment module 121; Independent processing module 122; Power system 100.
The specific embodiment
Core of the present utility model is for providing a kind of power control system of motor vehicle driven by mixed power, and this power control system has realized coordinating control unifying between each power part by its Coordination Treatment module, guarantees the normal operation of vehicle.In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of specific embodiment of power control system that the utility model provides, and Fig. 3 is the detailed construction scheme drawing of Fig. 2.
In a kind of specific embodiment, as shown in Figures 2 and 3, the power control system that the utility model provides is used for motor vehicle driven by mixed power, the power system 100 of this vehicle generally includes power parts such as driving engine, change speed gear box, motor and battery, and power control system is used for power system 100 is controlled.This control system comprises detecting device 11 and control setup 12.Detecting device 11 comprises the detection part of corresponding setting with each power part, specifically comprises driving engine detection part, change speed gear box detection part, motor detection part and battery detecting parts etc.Control setup 12 comprises Coordination Treatment module 121, this Coordination Treatment module 121 is preset with first control program, this first control program comprises the influence that the various faults information, each failure message of each power part bring for other power parts, and the control policy taked of the influence of miscellaneous part institute correspondence.
In the working process, each detection part of detecting device 11 detects each power part of power system 100, after detecting failure message, detection part is exported to failure message the Coordination Treatment module 121 of control setup 12, Coordination Treatment module 121 is unified scheduling, is analyzed the failure message of each power part, judge that this failure message is to the influence of other power parts, export control command according to the control policy of correspondence to miscellaneous part again, change its running state, to guarantee that vehicle normally moves.For example, when detecting device 11 detected the too high fault of motor bus current, the Coordination Treatment module 121 of control setup 12 was analyzed the order of back output shutting theengine downs, so that the vehicle smooth running.
This shows, above-mentioned power control system has taken into full account the influence that the fault of each power part may cause other power parts, and by controlling the running state of miscellaneous part, realized the mutual coordination control between the different dynamic parts, make power system 100 can be under the situation that fault exists the whole state that is in normal operation.
Further in the scheme, in conjunction with Fig. 2 and shown in Figure 3, above-mentioned control setup 12 also is provided with a plurality of independent processing module 122 of corresponding setting with a plurality of power parts, each independent processing module 122 is preset with second control program, second control program comprises the various faults information of single power part and the control policy that this power part itself should be taked at this failure message.The input end of this independent processing module 122 connects detecting device 11, and the mouth of processing module 122 connects power system 100 separately.
In the working process, each detection part of detecting device 11 detects each power part of power system 100, after detecting failure message, detection part is exported to failure message in the independent processing module 122 of the Coordination Treatment module 121 of control setup 12 and this power part correspondence, processing module 122 is determined corresponding control policy according to this failure message separately, control command is exported to this power part, Coordination Treatment module 121 is exported to other power parts according to this failure message with control command, normally moves to guarantee vehicle.For example, when detecting device 11 detects when having the too high fault of motor temperature in the motor, the independent processing module output of the motor of control setup 12 reduces the control command of Motor torque, Coordination Treatment module 121 is analyzed the back and is exported the control command that the moment of torsion that motor side is reduced is loaded into the driving engine end, to guarantee the smooth running of car load.
This shows, by the mode that independent control and coordination control mutually combine, can when the power part et out of order, comprehensively control power system 100.
In the another kind of specific embodiment, above-mentioned Coordination Treatment module 121 comprises and the adaptive parallel Coordination Treatment module of parallel power system and the tandem Coordination Treatment module adaptive with the tandem power system.
Like this, make control setup 12 to coordinate control at parallel power system, can coordinate control at the tandem power system again, have Applicable scope comparatively widely, portability is stronger.Particularly, parallel Coordination Treatment module not only should comprise the interface suitable with parallel power system, main failure message and the corresponding control policy of each failure message that comprises that also default and parallel power system are suitable, so that this power control system is when being connected with parallel power system, parallel Coordination Treatment module can be carried out Coordination Treatment control to it.In like manner, tandem Coordination Treatment module should comprise the interface suitable with the tandem power system, with suitable failure message and the corresponding control policy of each failure message of tandem power system.
Similarly, above-mentioned independent processing module 122 also can comprise and the adaptive parallel independent processing module of parallel power system and the tandem independent processing module adaptive with the tandem power system.
Like this, make above-mentioned independent processing module 122 to control separately at parallel power system, can control separately at the tandem power system again that have Applicable scope comparatively widely, portability is stronger.Particularly, parallel independent processing module not only should comprise the interface suitable with parallel power system, mainly comprise failure message and the corresponding control policy of each failure message that default and parallel power system are suitable, so that this power control system is when being connected with parallel power system, parallel independent processing module can be controlled separately it.In like manner, the independent processing module of tandem should comprise the interface suitable with the tandem power system, with suitable failure message and the corresponding control policy of each failure message of tandem power system.
In the another kind of specific embodiment, above-mentioned Coordination Treatment module 121 comprises and the adaptive condenser Coordination Treatment module of condenser power system and the battery pack formula Coordination Treatment module adaptive with battery pack formula power system.
Like this, make control setup 12 to coordinate control at the condenser power system, can coordinate control at battery pack formula power system again, have Applicable scope comparatively widely, portability is stronger.Particularly, condenser Coordination Treatment module not only should comprise the interface suitable with the condenser power system, main failure message and the corresponding control policy of each failure message that comprises that also default and condenser power system are suitable, so that this power control system is when being connected with the condenser power system, condenser Coordination Treatment module can be carried out Coordination Treatment control to it.In like manner, battery type Coordination Treatment module 121 should comprise the interface suitable with battery type power system 100, with suitable failure message and the corresponding control policy of each failure message of battery type power system 100.
Similarly, separately processing module 122 can comprise and the adaptive independent processing module of condenser of condenser power system and the battery pack formula independent processing module adaptive with battery pack formula power system.
Like this, make control setup 12 to control separately at the condenser power system, can control separately at battery pack formula power system again that have Applicable scope comparatively widely, portability is stronger.Particularly, the independent processing module of condenser not only should comprise the interface suitable with the condenser power system, mainly comprise failure message and the corresponding control policy of each failure message that default and condenser power system are suitable, so that this power control system is when being connected with the condenser power system, the independent processing module of condenser can be controlled separately it.In like manner, the independent processing module 122 of battery type should comprise the interface suitable with battery type power system 100, with suitable failure message and the corresponding control policy of each failure message of battery type power system 100.
In the another kind of specific embodiment, above-mentioned Coordination Treatment module 121, independent processing module 122 all are divided at least two grades according to the fault order of severity of power part with failure message, and are provided with corresponding control command according to each different brackets.
Adopt this structure, in the working process, after above-mentioned Coordination Treatment module 121 or independent processing module 122 are received the failure message of power part, judge at first which kind of grade this failure message belongs to, export the corresponding control command of this fault level then.For example; Coordination Treatment module 121, separately processing module 122 is divided into Three Estate at electrical fault; the fault definition that causes motor to be shut down is one-level; the motor significantly fault definition of downrating is secondary; the fault definition of the small size downrating of motor is three grades, wherein can specifically limit " significantly falling power " and " slightly falling power " by default certain power scope.In the control process, when control setup 12 received level fault, output stopped the control command of motor operation; When control setup 12 received secondary failure, output significantly reduced the control command of power of motor; When control setup 12 received three grades of faults, output slightly reduced the control command of power of motor.
Need to prove, can specifically limit " significantly falling power " and " slightly falling power " by default certain power scope, for example power of motor can be dropped to 20%～40% of rating horsepower and be set at and significantly reduce power of motor, for example be down to 20% of rating horsepower; Power of motor is dropped to 60%～80% of rating horsepower be set at small size reduction power of motor, for example be down to 80% of rating horsepower.
Adopt this structure, can more fully analyze the fault of each power part, and output has more control command targetedly, thereby realize the accurate control to power system 100.
In addition, the utility model also provides a kind of power-control method of motor vehicle driven by mixed power, and this method comprises the steps:
S11: detect the failure message of each power part of vehicle, and the output testing result;
S12: according to the definite influence to other power parts of the failure message of at least one power part, and the output control command is to other power parts, to guarantee that vehicle normally moves.
In the concrete scheme, among the above-mentioned steps S12, when receiving the too high failure message of motor bus current, the control command of output shutting theengine down.
In the another kind of specific embodiment, can also comprise among the step S12 of the power-control method of above-mentioned motor vehicle driven by mixed power:
Control the mode of operation of this power part according to the failure message of arbitrary power part, to guarantee that vehicle normally moves.
In the concrete scheme, among the step S12, when receiving the failure message of power of motor reduction, output reduces the moment of torsion of motor, the moment of torsion that increases driving engine and the control command that the engine torque increase equals the Motor torque decrease.
In the another kind of specific embodiment, above-mentioned control method can be specially:
S21: detect the failure message of each power part of vehicle, and the output testing result;
S221: the fault level under the failure judgement information;
S222: the corresponding control command of output fault level.
In the concrete scheme, when receiving the failure message that power of motor reduces, above-mentioned steps S222 can be specially:
If failure message belongs to level fault, output stops the control command of motor operation;
If failure message belongs to secondary failure, output significantly reduces the control command of power of motor;
If failure message belongs to three grades of faults, output slightly reduces the control command of power of motor.
Because the control system of above-mentioned engine shutdown phase place has as above technique effect, therefore, also should have identical technique effect with the control method of the corresponding setting of this control system, does not repeat them here.
More than the power control system of a kind of motor vehicle driven by mixed power provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the power control system of a motor vehicle driven by mixed power comprises detecting device (11) and control setup (12), and described detecting device (11) is for detection of the failure message of the power system of vehicle; It is characterized in that described control setup (12) is provided with according to the failure message of at least one power part in the power system and exports control command to other power parts so that the Coordination Treatment module (121) of the normal operation of vehicle; The input end of described Coordination Treatment module (121) connects described detecting device (11), and its mouth connects described power system.
2. the power control system of motor vehicle driven by mixed power according to claim 1, it is characterized in that, described control setup (12) is according to the too high failure message of motor bus current, exports the control setup of the control command of shutting theengine down by described Coordination Treatment module (121).
3. the power control system of motor vehicle driven by mixed power according to claim 1, it is characterized in that described control setup (12) also is provided with the independent processing module (122) of controlling the mode of operation of this power part according to the failure message of arbitrary described power part; The input end of described independent processing module (122) connects described detecting device (11), and its mouth connects described power system (100).
4. the power control system of motor vehicle driven by mixed power according to claim 3, it is characterized in that, described control setup (12) is the failure message that reduces according to power of motor, reduce the control command of the moment of torsion of motor by described independent processing module (122) output, by the moment of torsion of described Coordination Treatment module (121) output increase driving engine, and the engine torque increase equals the control setup of the control command of Motor torque decrease.
5. according to the power control system of each described motor vehicle driven by mixed power of claim 1-4, it is characterized in that described Coordination Treatment module (121) comprises and the adaptive parallel Coordination Treatment module of parallel power system and the tandem Coordination Treatment module adaptive with the tandem power system.
6. according to the power control system of claim 3 or 4 described motor vehicle driven by mixed powers, it is characterized in that described independent processing module (122) comprises and the adaptive parallel independent processing module of parallel power system and the tandem independent processing module adaptive with the tandem power system.
7. according to the power control system of each described motor vehicle driven by mixed power of claim 1-4, it is characterized in that described Coordination Treatment module (121) comprises and the adaptive condenser Coordination Treatment module of condenser power system and the battery pack formula Coordination Treatment module adaptive with battery pack formula power system.
8. according to the power control system of claim 3 or 4 described motor vehicle driven by mixed powers, it is characterized in that described independent processing module (122) comprises and the adaptive independent processing module of condenser of condenser power system and the battery pack formula independent processing module adaptive with battery pack formula power system.
9. according to the power control system of claim 3 or 4 described motor vehicle driven by mixed powers, it is characterized in that, described Coordination Treatment module (121), described independent processing module (122) all are divided at least two grades according to the fault order of severity of described power part with failure message, and are provided with corresponding control command according to each different brackets.
10. the power control system of motor vehicle driven by mixed power according to claim 9, it is characterized in that, described control setup (12) is for output stops the control command of motor operation according to level fault, output significantly reduces the control command of power of motor according to secondary failure, slightly reduces the control setup of the control command of power of motor according to three grades of fault outputs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201419808U CN203211299U (en) | 2013-03-26 | 2013-03-26 | Power control system for hybrid power vehicle |
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| CN2013201419808U CN203211299U (en) | 2013-03-26 | 2013-03-26 | Power control system for hybrid power vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144629A (en) * | 2013-03-26 | 2013-06-12 | 潍柴动力股份有限公司 | Power control system and power control method for hybrid vehicle |
| CN105313880A (en) * | 2014-08-05 | 2016-02-10 | 罗伯特·博世有限公司 | A motor vehicle having at least two driving actuators and improved failure safety, a running method and a mechanism for implementing the running method |
| CN105329236A (en) * | 2015-11-17 | 2016-02-17 | 潍柴动力股份有限公司 | Power assembly control method, power assembly control device and power assembly control system |
| CN109466379A (en) * | 2018-11-02 | 2019-03-15 | 北汽福田汽车股份有限公司 | Control method, system and the vehicle of vehicle |
-
2013
- 2013-03-26 CN CN2013201419808U patent/CN203211299U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144629A (en) * | 2013-03-26 | 2013-06-12 | 潍柴动力股份有限公司 | Power control system and power control method for hybrid vehicle |
| CN103144629B (en) * | 2013-03-26 | 2016-04-06 | 潍柴动力股份有限公司 | A kind of power control system of motor vehicle driven by mixed power |
| CN105313880A (en) * | 2014-08-05 | 2016-02-10 | 罗伯特·博世有限公司 | A motor vehicle having at least two driving actuators and improved failure safety, a running method and a mechanism for implementing the running method |
| CN105313880B (en) * | 2014-08-05 | 2020-08-11 | 罗伯特·博世有限公司 | Motor vehicle with at least two drive actuators and increased fail safety |
| CN105329236A (en) * | 2015-11-17 | 2016-02-17 | 潍柴动力股份有限公司 | Power assembly control method, power assembly control device and power assembly control system |
| CN105329236B (en) * | 2015-11-17 | 2018-01-02 | 潍柴动力股份有限公司 | A kind of Powertrain control method, apparatus and system |
| CN109466379A (en) * | 2018-11-02 | 2019-03-15 | 北汽福田汽车股份有限公司 | Control method, system and the vehicle of vehicle |
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