CN202827569U - Claudication circuit used for hybrid power automobile - Google Patents
Claudication circuit used for hybrid power automobile Download PDFInfo
- Publication number
- CN202827569U CN202827569U CN2012204862850U CN201220486285U CN202827569U CN 202827569 U CN202827569 U CN 202827569U CN 2012204862850 U CN2012204862850 U CN 2012204862850U CN 201220486285 U CN201220486285 U CN 201220486285U CN 202827569 U CN202827569 U CN 202827569U
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- China
- Prior art keywords
- limping
- relay
- control device
- entire car
- function control
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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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The utility model discloses a claudication circuit used for a hybrid power automobile. The claudication circuit used for hybrid power automobile brings a signal line of an accelerator pedal into a claudication function controller which is provided with an accelerator selector switch. The accelerator selector switch divides a accelerator pedal signal into two-way signal, and one-way is inserted into a vehicle control unit which controls an engine electronic control unit (ECU) according to the received pedal signal, the other one-way singnal is directly inserted into the engine ECU, the claudication function controller and a clutch state relay are connected to a circuit of a starting motor relay in a series joint mode, the clutch state relay is controlled by the vehicle control unit or the claudication function controller, and the starting motor relay is used for power trigger and starting the starting motor. The claudication circuit used for hybrid power automobile is characterized by being simple in circuit configuration, and having overcome the shortage that series-parallel hybrid power automobile cannot be driven when the electric power, the telecommunications, radio and television are broken down.
Description
Technical field
The utility model relates to field of hybrid electric vehicles, is specifically related to a kind of for hybrid vehicle limping circuit.
Background technology
Along with the propelling of national new forms of energy " thousand of hundred per cent " demonstration operation, the series parallel hybrid power technology is because the reliability of its good fuel saving ratio, lower discharging and technology and more and more received by market and approve.
When the mode of operation of hybrid vehicle was vehicle low speed, motor separated automatically with power-transfer clutch between the driving engine, by closed-centre system energy supply motor-driven; And during high speed, the then automatic combination of power-transfer clutch is driven as main by driving engine.And the realization of this mode of operation is to depend on the coordination of entire car controller control.As the large core component of three in the new-energy automobile, electric system, closed-centre system and entire car controller in case when wherein any one or several parts et out of order, all can cause vehicle normally to travel, bring inconvenience.Therefore, when " three electricity " et out of order, need to make it become conventional truck, utilize driving engine to drive vehicle as unique propulsion source, guarantee vehicle still can continue to travel back repair in shop reason, i.e. limping.
Under the limping state, driving engine do not stop working, start to walk ride comfort and avoid the power-transfer clutch premature wear need to change electric control clutch into and support automatically controlled and manual control (namely passing through foot pedal control clutch combination degree) during starting in order to ensure vehicle.The more important thing is how to design the limping circuit and realize that electricity, throttle signal switch to driving engine under the controller, normal start the engine under the limping state has become to need badly the problem of solution.
Summary of the invention
The utility model purpose is for the existing deficiency of prior art, a kind of limping circuit for hybrid vehicle is provided, cooperate and support automatically controlled and manually operated clutch operating and actuating unit, can overcome " three electricity " in case the defective that et out of order can't be driven a vehicle.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is:
A kind of limping circuit for hybrid vehicle, described limping circuit comprises the limping function control device, Das Gaspedal, entire car controller, Engine ECU, starter motor, the starter motor relay, the clutch state relay, the signal wire (SW) of described Das Gaspedal accesses described limping function control device, be provided with the throttle change-over switch in the described limping function control device, described throttle change-over switch is divided into two-way with accelerator pedal signal, one the road accesses described entire car controller, described entire car controller is controlled Engine ECU according to the pedal signal that receives again, Engine ECU is then directly accessed on another road, described limping function control device, described clutch state relay is connected in series into described starter motor relay place circuit, the clutch state relay is controlled by entire car controller or limping function control device, and described starter motor relay is used for energising and triggers starter motor work.
As optimization, also be provided with the controller cut-off relay in the described limping circuit, vehicle ON shelves power supply accesses described entire car controller again by described controller cut-off relay, and the controller cut-off relay is controlled by described limping function control device.
As optimization, the triggering pin of described limping function control device links to each other with a limping switch, and described limping switch is used for triggering the change action of throttle change-over switch.
When the limping switch is in non-limping position, throttle signal is to entire car controller, judge when this throttle signal is transmitted to Engine ECU by entire car controller again, this Time Controller works on power, and starter motor could be worked and is subjected to vehicle control unit controls by the clutch state relay; When the limping switch is in the limping position, accelerator pedal signal directly feeds Engine ECU and does not feed entire car controller, this moment, entire car controller was that outage is out-of-run, and starter motor could be worked and controlled by the clutch state relay controller of being walked lamely.
Than solution of the prior art, the utility model advantage is:
1. the described limping circuit for hybrid vehicle of the utility model, its circuit structure is simple, realized in the flexible switching of automobile between non-limping state and limping state by the throttle change-over switch in the limping function control device, under non-limping state, realize control to Engine ECU by entire car controller, and accelerator pedal signal is directly sent into Engine ECU the limping state is next, so overcome the defective that hybrid vehicle can't be driven a vehicle when " three electricity " et out of order;
2. set controller cut-off relay is realized job control to entire car controller in the utility model; and the work of controller cut-off relay with otherwise the control of the function control device of being walked lamely; after automobile enters the limping state; the limping function control device can stop by the controller cut-off relay work of entire car controller; further protect the entire car controller under the limping state, also operation is more stable so that automobile is walked lamely.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the limping schematic circuit diagram of the utility model embodiment;
Wherein: 1, limping function control device; 2, Das Gaspedal; 3, entire car controller; 4, Engine ECU; 5, starter motor; 6, starter motor relay; 7, clutch state relay; 8, controller cut-off relay; 9, clutch cylinder electromagnetic valve; 10, throttle change-over switch; 11, limping switch.
The specific embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for explanation the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment:
The present embodiment has been described a kind of limping circuit for hybrid vehicle, described limping circuit comprises limping function control device 1, Das Gaspedal 2, entire car controller 3, Engine ECU 4, starter motor 5, starter motor relay 6, clutch state relay 7, the signal wire (SW) of described Das Gaspedal 2 accesses described limping function control device 1, be provided with throttle change-over switch 10 in the described limping function control device 1, described throttle change-over switch 10 is divided into two-way with Das Gaspedal 2 signals, one the road accesses described entire car controller 3, described entire car controller 3 is controlled Engine ECU 4 according to the pedal signal that receives again, Engine ECU 4 is then directly accessed on another road, described limping function control device 1, described clutch state relay 7 serial connections enter described starter motor relay 6 place circuit, clutch state relay 7 is subjected to entire car controller 3 or 1 control of limping function control device, and described starter motor relay 6 is used for energising and triggers starter motor 5 work.
Also be provided with controller cut-off relay 8 in the described limping circuit, vehicle ON shelves power supply accesses described entire car controller 3 again by described controller cut-off relay 8, and controller cut-off relay 8 is by described limping function control device 1 control.The triggering pin P14 of described limping function control device 9 links to each other with limping switch 11, and described limping switch is used for triggering the change action of throttle change-over switch 10.
Be in the hybrid vehicle disengaging of clutch when stationary vehicle and low speed under the normal condition, be motor-driven; And power-transfer clutch combination during high speed, driving engine drives as main.Therefore, the signal of Das Gaspedal 2 is given first entire car controller 3, is then judged according to the speed of a motor vehicle by entire car controller 3, and signal feeds motor during static and low speed, and signal then feeds Engine ECU 4 during high speed.Clutch on-off also is to be judged according to the speed of a motor vehicle by entire car controller 3, entire car controller 3 corresponding pin driving clutch cylinder solenoid valves 9 work during static and low speed, and cylinder charge make power-transfer clutch overcome the diaphragm spring effect and separate; Corresponding pin is unsettled during high speed, and clutch cylinder electromagnetic valve 9 must not be electric, and cylinder UNICOM atmosphere makes power-transfer clutch combination under the diaphragm spring effect.
In addition, driving engine is No starting at the power-transfer clutch bonding state.Therefore, the clutch on-off signal feeds entire car controller 3, whether determines driving clutch state relay 7 closures, a termination entire car controller 3 corresponding pins of clutch state relay 7 coils, other end ground connection by entire car controller according to clutch state.Be that entire car controller 3 is when receiving the disengaging of clutch signal, corresponding pin can produce one less than the electric current of 2A, so that the coil of clutch state relay 7 gets is electric, open contact is closed, allow key STA shelves start the engine, otherwise the corresponding pin of entire car controller 3 is unsettled, and often open clutch state relay 7 contacts, forbids key STA shelves start the engine.
" three electricity " need to become the conventional truck mode of operation in case fault causes in the situation of motor without response, namely starts to walk by driving engine and travels.All the time be in released state for fear of vehicle vehicle control unit controls power-transfer clutch when the static and low speed, and the parts misoperation such as vehicle control unit controls electrical generator, need to be with 3 times electricity of entire car controller.Therefore, ON shelves electricity is by controller cut-off relay 8 access entire car controllers 3, the P01 pin of a termination limping function control device 1 of the coil of controller cut-off relay 8, other end ground connection.
But entire car controller 3 is in case lower electric, and entire car controller 3 corresponding pins will be in vacant state all the time, can't STA shelves start the engine so that clutch state relay 7 is in the contact normally open.Therefore, connect an end of entire car controller 3 at the coil of clutch state relay 7, and be connected to the P10 pin of limping function control device 1, and before entire car controller 3 corresponding pins and before the P10 pin of limping function control device 1 respectively the series-opposing diode to avoid mutually altering electricity.
Hybrid power system under normal circumstances, limping switch 11 is in non-limping position, the P14 pin high level of limping function control device 1.When the P14 of limping function control device 1 pin high level, the P01 pin is unsettled, and controller cut-off relay 8 is in as shown in Figure 1 position, and entire car controller 3 is worked on power; P04 and P05 UNICOM, P07 and P08 UNICOM make the throttle two paths of signals feed entire car controller 3 and distribute; P10 is unsettled, and this moment, clutch state relay 7 was controlled according to clutch engagement signal by entire car controller 3.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalent transformations that Spirit Essence is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (3)
1. limping circuit that is used for hybrid vehicle, it is characterized in that, described limping circuit comprises the limping function control device, Das Gaspedal, entire car controller, Engine ECU, starter motor, the starter motor relay, the clutch state relay, the signal wire (SW) of described Das Gaspedal accesses described limping function control device, be provided with the throttle change-over switch in the described limping function control device, described throttle change-over switch is divided into two-way with accelerator pedal signal, one the road accesses described entire car controller, described entire car controller is controlled Engine ECU according to the pedal signal that receives again, Engine ECU is then directly accessed on another road, described limping function control device, described clutch state relay is connected in series into described starter motor relay place circuit, the clutch state relay is controlled by entire car controller or limping function control device, and described starter motor relay is used for energising and triggers starter motor work.
2. the limping circuit for hybrid vehicle according to claim 1, it is characterized in that, also be provided with the controller cut-off relay in the described limping circuit, vehicle ON shelves power supply accesses described entire car controller again by described controller cut-off relay, and the controller cut-off relay is controlled by described limping function control device.
3. the limping circuit for hybrid vehicle according to claim 1 is characterized in that, the triggering pin of described limping function control device links to each other with a limping switch, and described limping switch is used for triggering the change action of throttle change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204862850U CN202827569U (en) | 2012-09-21 | 2012-09-21 | Claudication circuit used for hybrid power automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204862850U CN202827569U (en) | 2012-09-21 | 2012-09-21 | Claudication circuit used for hybrid power automobile |
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| Publication Number | Publication Date |
|---|---|
| CN202827569U true CN202827569U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204862850U Expired - Fee Related CN202827569U (en) | 2012-09-21 | 2012-09-21 | Claudication circuit used for hybrid power automobile |
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| CN (1) | CN202827569U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104417452A (en) * | 2013-09-09 | 2015-03-18 | 大陆汽车投资（上海）有限公司 | Automobile limp home control circuit |
| CN105090480A (en) * | 2015-06-11 | 2015-11-25 | 内蒙古第一机械集团有限公司 | Emergency gear control device for automatic gearbox |
| CN106004868A (en) * | 2015-03-27 | 2016-10-12 | 丰田自动车株式会社 | Hybrid vehicle |
| CN107487321A (en) * | 2017-06-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | The clutch control method and device of hybrid vehicle |
-
2012
- 2012-09-21 CN CN2012204862850U patent/CN202827569U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104417452A (en) * | 2013-09-09 | 2015-03-18 | 大陆汽车投资（上海）有限公司 | Automobile limp home control circuit |
| CN106004868A (en) * | 2015-03-27 | 2016-10-12 | 丰田自动车株式会社 | Hybrid vehicle |
| CN106004868B (en) * | 2015-03-27 | 2018-10-12 | 丰田自动车株式会社 | Hybrid vehicle |
| CN105090480A (en) * | 2015-06-11 | 2015-11-25 | 内蒙古第一机械集团有限公司 | Emergency gear control device for automatic gearbox |
| CN107487321A (en) * | 2017-06-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | The clutch control method and device of hybrid vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20190921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |