CN103899425B - A kind of hybrid power system idling start stop apparatus - Google Patents
A kind of hybrid power system idling start stop apparatus Download PDFInfo
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- CN103899425B CN103899425B CN201210587759.5A CN201210587759A CN103899425B CN 103899425 B CN103899425 B CN 103899425B CN 201210587759 A CN201210587759 A CN 201210587759A CN 103899425 B CN103899425 B CN 103899425B
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Abstract
The present invention relates to a kind of hybrid power system idling start stop apparatus, including hybrid controller, vehicle speed sensor, threephase asynchronous machine, frequency conversion controller of motor, electromotor, air-conditioner controller, gas pedal, enging cabin latch switch and super capacitor, described hybrid controller connects vehicle speed sensor respectively, frequency conversion controller of motor, electromotor, air-conditioner controller, gas pedal and enging cabin latch switch, described frequency conversion controller of motor connects threephase asynchronous machine and super capacitor respectively, described electromotor is sequentially connected with threephase asynchronous machine and super capacitor；Hybrid controller gathers vehicle speed sensor, frequency conversion controller of motor, air-conditioner controller, gas pedal and the signal of enging cabin latch switch, sends enabling signal according to the signal collected or misfire signals controls electromotor start and stop.Compared with prior art, the present invention has energy-conservation, control accuracy advantages of higher.
Description
Technical field
The present invention relates to a kind of controller of vehicle, especially relate to a kind of hybrid power system idling start stop apparatus.
Background technology
City bus has the substantial portion of time to be in vehicle stopping, engine idle conditions when crowded urban road travels.Existing bus is when vehicle parking idling, and vehicle motor is still continuing consumption diesel oil.Hybrid electric vehicle significantly improves it is considered to be the preferable vehicles in following a period of time due to its fuel consumption and emission performance than orthodox car.Owing to bus start and stop are quite frequent, in vehicle operation, the frequent start-stop of electromotor can not lean on tradition starter motor to complete.
Hybrid power system operation principle is as follows: when speed is relatively low, clutch separation, and vehicle required drive is provided by motor；If now energy-storage system voltage is higher, using the teaching of the invention it is possible to provide all energy needed for motor car, then engine idle does not go out merit, and series parallel hybrid power passenger vehicle is in electric-only mode；When energy-storage system voltage is relatively low, electromotor goes out merit and drives electrical power generators, supplements the electric energy needed for motor work, and now series parallel hybrid power passenger vehicle is in series model.When speed is higher, clutch closes, and the power needed for vehicle travels is provided jointly by electromotor and motor；Whether exert oneself according to motor and can be divided into again paralleling model and directly drive pattern.In multiple drive modes and in the case of depositing, the longest portion of time of electromotor is in the unloaded running status do not exerted oneself.The oil-saving effect of hybrid power system still has room for promotion.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of energy-conservation, hybrid power system idling start stop apparatus that control accuracy is high is provided.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of hybrid power system idling start stop apparatus, including hybrid controller, vehicle speed sensor, threephase asynchronous machine, frequency conversion controller of motor, electromotor, air-conditioner controller, gas pedal, enging cabin latch switch and super capacitor, described hybrid controller connects vehicle speed sensor, frequency conversion controller of motor, electromotor, air-conditioner controller, gas pedal and enging cabin latch switch respectively, described frequency conversion controller of motor connects threephase asynchronous machine and super capacitor respectively, and described electromotor is sequentially connected with threephase asynchronous machine and super capacitor；
Hybrid controller gathers vehicle speed sensor, frequency conversion controller of motor, air-conditioner controller, gas pedal and the signal of enging cabin latch switch, sends enabling signal according to the signal collected or misfire signals controls electromotor start and stop.
Described hybrid controller sends the situation of enabling signal and includes:
(1) air-conditioner controller detects that air-conditioner temperature exceeds when arranging scope, sending request Engine Start Signal to hybrid controller, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start；
(2), when super-capacitor voltage value is less than setting value, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start；
(3) hybrid controller gathers the current vehicle speed signal of vehicle speed sensor, when speed reaches setting speed, and when the accelerator opening amount signal of gas pedal is constant or persistently becomes big, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start.
Described hybrid controller sends the situation of misfire signals and includes:
(1) hybrid controller gathers the current vehicle speed signal of vehicle speed sensor, and when speed is less than setting speed, hybrid controller sends misfire signals to electromotor；
(2) air-conditioner controller detects when air-conditioner temperature is in the range of setting, sends to hybrid controller and allows misfire signals, and hybrid controller sends misfire signals to electromotor；
(3), when super-capacitor voltage is higher than setting value, hybrid controller sends misfire signals to electromotor；
(4), when the signal of the enging cabin latch switch that hybrid controller collects is ON signal, misfire signals is sent to electromotor.
Described hybrid controller is connected by CAN communication bus with electromotor, air-conditioner controller and frequency conversion controller of motor respectively.
Described hybrid controller is connected by analog signals line with vehicle speed sensor, enging cabin latch switch and gas pedal respectively.
Described hybrid controller includes that controller master chip, power supply process chip and CAN module.
Described gas pedal is bipotential/unipotential E-Gas.
Compared with prior art, the invention have the advantages that
1) after using idling start stop apparatus of the present invention; vehicle electromotor when traffic congestion, wait traffic lights can complete to shut down according to set control strategy and stop working; when vehicle launch, electromotor can run by automatic ignition, the further oil-saving effect improving hybrid power public transport；
2) idling start stop apparatus of the present invention have employed threephase asynchronous machine and uses as the starter motor of electromotor, the start and stop requirement of electromotor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure,Represent that CAN communication connects,Represent that analog signals connects,Indication circuit connects,Represent and be mechanically connected.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is implemented premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As shown in Figure 1, a kind of hybrid power system idling start stop apparatus, it is characterized in that, including hybrid controller 1, vehicle speed sensor 4, threephase asynchronous machine 3, frequency conversion controller of motor 7, electromotor 2, air-conditioner controller 6, gas pedal 9, enging cabin latch switch 5 and super capacitor 8, hybrid controller 1 respectively with electromotor 2, air-conditioner controller 6 and the communication of frequency conversion controller of motor 7CAN connect, hybrid controller 1 respectively with vehicle speed sensor 4, enging cabin latch switch 5 and gas pedal 9 connect with analog signals, threephase asynchronous machine 3, frequency conversion controller of motor 7 and super capacitor 8 mutually circuit two-by-two connects, electromotor 2 is mechanically connected with threephase asynchronous machine 3.
In above-mentioned hybrid power system idling start stop apparatus, the selection of each parts is as follows:
Hybrid controller (HECU): need to gather numerous analog signalses such as GES, require that control system has higher processing speed, addressability, higher EMC capacity of resisting disturbance, the present embodiment has selected the TMS320F28035 of TI as controller master chip, LM2575 and LM1117 of TI processes chip as power supply, and CAN module have employed the MCP2551 chip of micro-core.Pcb board connection and reasonable arrangement, power supply and ground wire arrange decoupling capacitor, and analogue signal processes altogether with digital signal, and imposite rest covers copper increases capacity of resisting disturbance.
Threephase asynchronous machine: 25KW, S2 duty small three-phase AC asynchronous motor.
Frequency conversion controller of motor: input voltage range: 180-400VDC, adaptive power: 30kW.
Super capacitor: ceiling voltage DC380V capacity 41.25F.
Gas pedal: bipotential/unipotential E-Gas.
The operation principle of above-mentioned hybrid power system idling start stop apparatus is mainly: hybrid controller gathers vehicle speed sensor, frequency conversion controller of motor, air-conditioner controller, gas pedal and the signal of enging cabin latch switch, sends enabling signal according to the signal collected or misfire signals controls electromotor start and stop.Idling on off control includes on off control strategy and Safeguard tactics:
On off control strategy
Hybrid controller sends the situation of enabling signal and includes: (one) air-conditioner controller detects that air-conditioner temperature exceeds when arranging scope, sending request Engine Start Signal to hybrid controller, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start；(2), when super-capacitor voltage value is less than setting value (DC260V), hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start；(3) hybrid controller gathers the current vehicle speed signal of vehicle speed sensor, when speed reaches setting speed (22km/h), and when the accelerator opening amount signal of gas pedal is constant or persistently becomes big, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start.
Hybrid controller sends the situation of misfire signals and includes:
(1) hybrid controller gathers the current vehicle speed signal of vehicle speed sensor, and when speed is less than setting speed (22km/h), hybrid controller sends misfire signals to electromotor；(2) air-conditioner controller detects when air-conditioner temperature is in the range of setting, sends to hybrid controller and allows misfire signals, and hybrid controller sends misfire signals to electromotor；(3), when super-capacitor voltage is higher than setting value (DC320V), hybrid controller sends misfire signals to electromotor.
Safeguard tactics
(1), when the signal of the enging cabin latch switch that hybrid controller collects is ON signal, sends misfire signals to electromotor and do not allow engine start；
(2) after HECU obtains electric operation, engine start must pass through keyed ignition for the first time, does not allow electromotor automatically to start.
After adding new idling start stop apparatus, vehicle is in traffic congestion, and when waiting traffic lights, electromotor can complete to shut down according to set control strategy and stop working, and when vehicle launch, electromotor can run by automatic ignition.Improve the oil-saving effect of hybrid power public transport further.
Claims (5)
1. a hybrid power system idling start stop apparatus, it is characterized in that, including hybrid controller, vehicle speed sensor, threephase asynchronous machine, frequency conversion controller of motor, electromotor, air-conditioner controller, gas pedal, enging cabin latch switch and super capacitor, described hybrid controller connects vehicle speed sensor respectively, frequency conversion controller of motor, electromotor, air-conditioner controller, gas pedal and enging cabin latch switch, described frequency conversion controller of motor connects threephase asynchronous machine and super capacitor respectively, described electromotor is sequentially connected with threephase asynchronous machine and super capacitor；
Hybrid controller gathers vehicle speed sensor, frequency conversion controller of motor, air-conditioner controller, gas pedal and the signal of enging cabin latch switch, sends enabling signal according to the signal collected or misfire signals controls electromotor start and stop；
Described hybrid controller sends the situation of enabling signal and includes:
(1) air-conditioner controller detects that air-conditioner temperature exceeds when arranging scope, sending request Engine Start Signal to hybrid controller, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start；
(2), when super-capacitor voltage value is less than setting value, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start；
(3) hybrid controller gathers the current vehicle speed signal of vehicle speed sensor, when speed reaches setting speed, and when the accelerator opening amount signal of gas pedal is constant or persistently becomes big, hybrid controller sends enabling signal control variable frequency motor controller and makes threephase asynchronous machine drive engine ignition to start；
Described hybrid controller sends the situation of misfire signals and includes:
(1) hybrid controller gathers the current vehicle speed signal of vehicle speed sensor, and when speed is less than setting speed, hybrid controller sends misfire signals to electromotor；
(2) air-conditioner controller detects when air-conditioner temperature is in the range of setting, sends to hybrid controller and allows misfire signals, and hybrid controller sends misfire signals to electromotor；
(3), when super-capacitor voltage is higher than setting value, hybrid controller sends misfire signals to electromotor；
(4), when the signal of the enging cabin latch switch that hybrid controller collects is ON signal, misfire signals is sent to electromotor.
A kind of hybrid power system idling start stop apparatus the most according to claim 1, it is characterised in that described hybrid controller is connected by CAN communication bus with electromotor, air-conditioner controller and frequency conversion controller of motor respectively.
A kind of hybrid power system idling start stop apparatus the most according to claim 1, it is characterised in that described hybrid controller is connected by analog signals line with vehicle speed sensor, enging cabin latch switch and gas pedal respectively.
A kind of hybrid power system idling start stop apparatus the most according to claim 1, it is characterised in that described hybrid controller includes that controller master chip, power supply process chip and CAN module.
A kind of hybrid power system idling start stop apparatus the most according to claim 1, it is characterised in that described gas pedal is bipotential/unipotential E-Gas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210587759.5A CN103899425B (en) | 2012-12-28 | 2012-12-28 | A kind of hybrid power system idling start stop apparatus |
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| CN201210587759.5A CN103899425B (en) | 2012-12-28 | 2012-12-28 | A kind of hybrid power system idling start stop apparatus |
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| CN103899425B true CN103899425B (en) | 2016-08-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112356823A (en) * | 2020-10-29 | 2021-02-12 | 大运汽车股份有限公司 | Power control method suitable for hybrid commercial vehicle |
| CN112539937B (en) * | 2020-12-11 | 2021-12-28 | 奇瑞汽车股份有限公司 | Method for testing start-stop reliability of 48V system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004108226A (en) * | 2002-09-18 | 2004-04-08 | Nissan Motor Co Ltd | Engine idle stop device and engine idle stop method |
| CN102505995A (en) * | 2011-11-01 | 2012-06-20 | 湖南南车时代电动汽车股份有限公司 | Control method and system device for automatic idle-speed starting and stopping of hybrid power vehicle engine |
| CN203032670U (en) * | 2012-12-28 | 2013-07-03 | 上海申龙客车有限公司 | Idling start-stop device for hybrid power vehicles |
| JP2015107711A (en) * | 2013-12-04 | 2015-06-11 | 日立建機株式会社 | Hybrid work vehicle |
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- 2012-12-28 CN CN201210587759.5A patent/CN103899425B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004108226A (en) * | 2002-09-18 | 2004-04-08 | Nissan Motor Co Ltd | Engine idle stop device and engine idle stop method |
| CN102505995A (en) * | 2011-11-01 | 2012-06-20 | 湖南南车时代电动汽车股份有限公司 | Control method and system device for automatic idle-speed starting and stopping of hybrid power vehicle engine |
| CN203032670U (en) * | 2012-12-28 | 2013-07-03 | 上海申龙客车有限公司 | Idling start-stop device for hybrid power vehicles |
| JP2015107711A (en) * | 2013-12-04 | 2015-06-11 | 日立建機株式会社 | Hybrid work vehicle |
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