CN203854499U - Hybrid power system - Google Patents
Hybrid power system Download PDFInfo
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- CN203854499U CN203854499U CN201420246543.7U CN201420246543U CN203854499U CN 203854499 U CN203854499 U CN 203854499U CN 201420246543 U CN201420246543 U CN 201420246543U CN 203854499 U CN203854499 U CN 203854499U
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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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- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The utility model relates to the technical field of braking energy recovery and provides a hybrid power system. The hybrid power system is composed of an engine, a clutch, a power coupling device, a motor, a power battery, a gearbox, an electromagnetic clutch and a hydraulic energy storage device. The engine, a power device and the hydraulic energy storage device are reasonably integrated through the power coupling device to form a novel hybrid power system. Energy recovery of a vehicle is performed during the braking system through the power device and the hydraulic energy storage device so as to improve recovery efficiency, meanwhile, the power device and the hydraulic energy storage device provide brake torque to serve as main brake energy of vehicle braking, energy consumption of braking friction of the vehicle can be lowered, the hybrid power system composed of the engine, the power device and the hydraulic energy storage device can enable the vehicle to run under the running mode so as to adapt to different road conditions, and the oil-saving purpose is achieved.
Description
Technical field
The utility model belongs to braking energy recovery technology field, relates in particular to a kind of hybrid power system.
Background technology
Conventional truck power system is the power that driving engine is produced, through a series of transmission of power, finally pass to the process of wheel, engine running, is actually bent axle in rotation, one end of bent axle is fixedly connected with a flywheel, this flywheel and clutch engagement, control the break-make that is connected of flywheel and change-speed box, and power is after the speed change of change-speed box, power is passed on drive axle, drive Vehicle Driving Cycle.
On the basis of traditional automotive power, oil electric mixed dynamic system and hydraulic hybrid power system are progressively promoted and are come, wherein:
Oil electric mixed dynamic system is mainly by driving engine, power-transfer clutch, motor, change-speed box, electrokinetic cell and corresponding control system, management systems etc. partly form, the vehicle of this oil electric mixed dynamic system can reclaim braking energy, in orthodox car, when driver steps on braking, this energy that can be used to accelerate to automobile wasted as heat, and oil and electricity hybrid vehicle can reclaim most energy, and it is temporarily stored up when accelerating again, when driver wants to have maximum acceleration/accel, driving engine and motor parallel work, provide can be suitable with larger driving engine starting performance, accelerating ability is being required to not too high occasion, and hybrid electric vehicle can be depended merely on motor and travel, or depends merely on driving engine and travel, or the two combination is to obtain maximum efficiency,
Hydraulic hybrid power system has been completely free of traditional power drive system, its Engine driven Hydraulic Pump work, and Hydraulic Pump is high pressure accumulator accumulation of energy, high pressure accumulator drives the oblique axis type hydraulic motor on trailing wheel, and then is delivered to drive axle driving vehicle; A low-pressure reservoir is used for collecting hydraulic oil, then hydraulic oil is sent back in Hydraulic Pump again, has so just formed a complete hydraulic system.The same with the driving engine in oil electric mixed dynamic system, the driving engine of hydraulic hybrid power system also has the ability that regenerative brake is provided, and when car brakeing, HM Hydraulic Motor can be high pressure accumulator accumulation of energy.When vehicle launch moves ahead, be stored in the load that energy in high pressure accumulator can be used for reducing driving engine, Hydraulic Pump and high pressure accumulator can provide a kind of application of torque and stored energy failure-free, low-cost approach.
But all there is defect in the power system of above-mentioned three types, it is specific as follows:
(1), in traditional automotive power, under all operating modes, are all motor-powered vehicles, especially under starting, accelerating mode, the combustion position of driving engine worsens, and has caused tail gas pollution, and under braking, decelerating mode, the potential energy of vehicle is consumed by drg, the frequent combination of power-transfer clutch and the frequent braking of drg have caused friction and brake noise, have simultaneously also reduced the service life of power-transfer clutch, drg, have increased maintenance cost;
(2), in oil electric mixed dynamic system, under starting, accelerating mode, electric generator/electric motor participates in driving, make engine operation operation optimization, improved fuel economy, and the braking energy of vehicle is reclaimed, but because the brake torque that electrical generator provides is limited, the braking energy percent recovery is low;
(3), in hydraulic hybrid power system, under vehicle start, accelerating mode, hydraulic efficiency pressure system subparticipation drives, eliminated starting black smoke, improved fuel economy, and the braking energy of vehicle also obtained recovery, but due to the volume restrictions of pressure energy storage equipment, the braking energy percent recovery is low, only can reclaim the part braking energy of 40Km/h.
Utility model content
The purpose of this utility model is to provide a kind of hybrid power system, all there is associated disadvantages in traditional mechanical dynamic system, oil electric mixed dynamic system and hydraulic hybrid power system that being intended to solve prior art provides, the service life that for example traditional mechanical dynamic system vehicle braking energy disappears, reduces power-transfer clutch, drg, the brake torque that the electrical generator of oil electric mixed dynamic system provides is limited, the braking energy percent recovery is low, the hydraulic hybrid power system braking energy percent recovery is low, only can reclaim the problem of the part braking energy of 40Km/h.
The utility model is to realize like this, a kind of hybrid power system, described hybrid power system comprises the driving engine being arranged on vehicle body, described driving engine is provided with power take-off shaft, described power take-off shaft connects power-transfer clutch, the transmission shaft mouth of described power-transfer clutch connects dynamic coupling device, and the mouth of described dynamic coupling device connects change-speed box case through motor, and the output shaft of described change-speed box case connects drive axle;
Described motor connects electrokinetic cell by high-tension line, and described motor and described electrokinetic cell form electric installation;
Described dynamic coupling device also connects magnetic clutch, and described magnetic clutch connects hydraulic accumulating device.
As a kind of improved plan, described hydraulic accumulating device comprises:
The hydraulic pump/motor being connected with described magnetic clutch, the two ends of described hydraulic pump/motor connect wherein two ports of three position four-way electromagnetic valve, another two ports of described three position four-way electromagnetic valve connect high pressure accumulator and low-pressure reservoir by oil pipe respectively, and described high pressure accumulator is connected with described low-pressure reservoir by two-position two-way solenoid valve.
As a kind of improved plan, the oil pipe of described hydraulic pump/motor and described three position four-way electromagnetic valve is provided with check valve.
Because hybrid power system is by driving engine, power-transfer clutch, dynamic coupling device, electric installation, electrokinetic cell, change-speed box case, magnetic clutch and hydraulic accumulating device form, driving engine, electric installation and hydraulic accumulating device carry out reasonable integration by dynamic coupling device, form novel hybrid power system, it carries out energy recovery by motor and hydraulic accumulating device to the braking procedure of vehicle, improve organic efficiency, simultaneously, by electric installation and hydraulic accumulating device, provide the main braking energy source of brake torque as car brakeing, the drag friction waste of power of vehicle is reduced, and driving engine and electric installation, the hybrid power system that hydraulic accumulating device forms can make vehicle operating under mode of motion, so that vehicle adapts to different road conditions, realize the object of fuel-economizing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hybrid power system that provides of the utility model;
Fig. 2 is the structural representation of the hybrid power system that provides of the utility model example one;
Fig. 3 is the structural representation of the hybrid power system that provides of the utility model example two;
Fig. 4 is the structural representation of the hybrid power system that provides of the utility model example three;
Wherein, 1-driving engine, 2-power-transfer clutch, 3-dynamic coupling device, 4-motor, 5-change-speed box case, 6-drive axle, 7-electrokinetic cell, 8-magnetic clutch, 9-hydraulic accumulating device, 91-hydraulic pump/motor, 92-three position four-way electromagnetic valve, 93-high pressure accumulator, 94-low-pressure reservoir, 95-two-position two-way solenoid valve, 96-check valve.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of the hybrid power system that the utility model provides, and for convenience of explanation, has only provided the part relevant to the utility model in figure.
Hybrid power system comprises the driving engine 1 being arranged on vehicle body, described driving engine 1 is provided with power take-off shaft, described power take-off shaft connects power-transfer clutch 2, the transmission shaft mouth of described power-transfer clutch 2 connects dynamic coupling device 3, the mouth of described dynamic coupling device 3 connects change-speed box case 5 through motor 4, and the output shaft of described change-speed box case 5 connects drive axle 6;
Described motor 4 connects electrokinetic cell 7 by high-tension line;
Described dynamic coupling device 3 also connects magnetic clutch 8, and described magnetic clutch 8 connects hydraulic accumulating device 9.
In this embodiment, hydraulic accumulating device 9 specifically comprises:
The hydraulic pump/motor 91 being connected with described magnetic clutch 8, the two ends of described hydraulic pump/motor 91 connect wherein two ports of three position four-way electromagnetic valve 92, another two ports of described three position four-way electromagnetic valve 92 connect high pressure accumulator 93 and low-pressure reservoir 94 by oil pipe respectively, and described high pressure accumulator 93 is connected with described low-pressure reservoir 94 by two-position two-way solenoid valve 95.
And hydraulic pump/motor 91 is provided with check valve 96 with the oil pipe that described three position four-way electromagnetic valve 92 is connected, for the hydraulic oil of oil pipe is carried out to unidirectional control.
Wherein, hydraulic pump/motor 91, high pressure accumulator 93, low-pressure reservoir 94 and two-position two-way solenoid valve 95 form hydraulic braking energy recovery circuit by three position four-way electromagnetic valve 92, and two-position two-way solenoid valve 95 and three position four-way electromagnetic valve 92 be common electromagnetic valve body, do not repeat them here.
In the utility model, the hybrid power system that comprises electric installation and hydraulic accumulating device 9 by 3 pairs of dynamic coupling devices carries out reasonable integration, realizing vehicle braking energy reclaims and plurality of operating modes, when brake, by electric installation and hydraulic accumulating device 9, just can provide larger brake torque, increase the percent recovery of braking energy, and vehicle can use different operational modes to realize the object of fuel-economizing under different operating modes, and the utility model compact conformation, braking energy recovering effect is good, can realize vehicle plurality of operating modes, improve dynamic property and the economy of vehicle.
In the utility model, hybrid power system is by the energy of dynamic coupling device 3 reasonable distribution driving engines 1, electric installation and hydraulic accumulating device 9, realize collaborative work between all parts between whole hybrid power system, reach the effect of energy recovery and fuel-economizing.
Certainly, electric installation and hydraulic accumulating device 9 all can be realized the recovery of braking energy, improve the degree of utilization that braking energy reclaims, and the ratio of its recovery and order are realized by corresponding control policy, do not repeat them here, but not in order to limit the utility model.
The hybrid power system that the utility model provides has following function:
(1), when car brakeing, can realize by following pattern:
1.: while not needing to provide high pulling torque (under vehicle slip operating mode): motor 4 and hydraulic accumulating device 9 all can carry out separately energy recovery, concrete ratio and the order reclaiming determined by control system;
2.: when high pulling torque braking need to be provided, motor 4 and hydraulic accumulating device 9 provide brake torque to carry out energy recovery simultaneously;
3.: when above-mentioned brake mode can not provide the required moment of torsion of actual conditions, then supplement brake torque by friction braking;
(2), when vehicle launch, the energy in high pressure accumulator 93 produces power via hydraulic pump/motor 91, is delivered to drive axle 6 starts vehicle via dynamic coupling device 3;
(3), when vehicle needs short walk under specific operation, the energy in high pressure accumulator 93 produces power via hydraulic pump/motor 91, is delivered to drive axle 6 drives vehicle short range to travel via dynamic coupling device 3;
(4), when road conditions are suitable for vehicle with oil electric mixed dynamic mode operation: hydraulic accumulating device 9 no longer provides power, and vehicle provides power by driving engine 1 and motor 4, with the vehicle operating of oil electric mixed dynamic mode activated;
(5), this hybrid power system improves the braking energy percent recovery, and realizes flexibly the switching of the different operational modes of vehicle, same realize the braking energy that principle is also applicable to solve other field and reclaim problem.
In order further this programme to be understood, the following specific implementation process providing under each pattern:
A: braking energy take-back model
Refer to Fig. 2, when not needing to provide high pulling torque (under vehicle slip operating mode): motor 4 and hydraulic accumulating device 9 all can carry out separately energy recovery, ratio and the order of its recovery are determined by control policy, motor 4 is in electrical generator operating mode, braking energy is transformed into electrical power storage in electrokinetic cell 7, in hydraulic accumulating device, hydraulic pump/motor 91 is with the running of HM Hydraulic Motor operating mode, and the energy storage that braking is reclaimed is in high pressure accumulator 93;
When needs provide high pulling torque braking: power-transfer clutch 2 separation, three position four-way electromagnetic valve 92 is got to left position, rear wheel drives hydraulic pump/motor 91 to turn round with Hydraulic Pump operating mode via drive axle 6, change-speed box case 5, motor 4, dynamic coupling device 3, hydraulic oil is extracted out from low-pressure reservoir 94, through hydraulic pump/motor 91, three position four-way electromagnetic valve 92, hydraulic oil reservoir is existed in high pressure accumulator 93, motor 4 is in power generation mode simultaneously, and the energy that braking is reclaimed is stored in electrokinetic cell 7 in the mode of electric energy;
When above-mentioned two kinds of modes can not provide the required moment of torsion of actual braking, by drg, supplement brake torque again, whole process is realized by autonomous cruise speed system according to the position of brake pedal, wherein, in figure, circuit A is mechanical drive route, and circuit B is hydraulic oil or current delivery route.
B: vehicle launch pattern
Refer to Fig. 3, its implementation pattern has the vehicle start of driving, two kinds of patterns of acceleration (this kind of pattern only limits to short walk in emergency circumstances).
Drive vehicle start implementation procedure: before vehicle start, hydraulic energy in high pressure accumulator 93 drives vehicle launch, now, three position four-way electromagnetic valve 92 is got to right position, change-speed box case 5 is got to neutral, hydraulic energy in high pressure accumulator 93 drives hydraulic pump/motor 91 with the running of HM Hydraulic Motor operating mode via three position four-way electromagnetic valve 92, and the power of generation drives vehicle start via magnetic clutch 8, dynamic coupling device 3, motor 4, change-speed box case 5.
If energy still has surplus in high pressure accumulator 93, by continuing, provide energy to realize the initial acceleration of vehicle, electrokinetic cell 7 can provide the energy under accelerating mode to vehicle, wherein, in figure, circuit C is mechanical drive route, and circuit D is hydraulic oil route or current circuit.
C: oil electric mixed dynamic operational mode
Refer to Fig. 4, its implementation procedure: after vehicle start, magnetic clutch 8 disconnects, three position four-way electromagnetic valve 92 is in meta, and hydraulic accumulating device no longer provides power, and vehicle provides power by driving engine 1 and motor 4, with the vehicle operating of oil electric mixed dynamic mode activated, wherein, in figure, circuit E is mechanical drive route, and circuit F is current direction circuit.
In summary, the hybrid power system that the utility model provides has following technique effect:
(1): utilize the combined action of electric installation, hydraulic accumulating device to improve the braking energy percent recovery of vehicle, compact conformation, energy recovering effect is good;
(2): utilize electric installation, hydraulic accumulating device to provide brake torque for master, friction braking mode is that auxiliary combined action realizes car brakeing, the drag friction waste of power of whole vehicle is reduced;
(3): hybrid power system can be realized the plurality of operating modes of vehicle, improved vehicle and adapted to the energy of different road conditions, and then can make vehicle under multiple different road conditions, all realize the object of fuel-economizing.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a hybrid power system, it is characterized in that, described hybrid power system comprises the driving engine (1) being arranged on vehicle body, described driving engine (1) is provided with power take-off shaft, described power take-off shaft connects power-transfer clutch (2), the transmission shaft mouth of described power-transfer clutch (2) connects dynamic coupling device (3), the mouth of described dynamic coupling device (3) connects change-speed box case (5) through motor (4), and the output shaft of described change-speed box case (5) connects drive axle (6);
Described motor (4) connects electrokinetic cell (7) by high-tension line, and described motor (4) forms electric installation with described electrokinetic cell (7);
Described dynamic coupling device (3) also connects magnetic clutch (8), and described magnetic clutch (8) connects hydraulic accumulating device (9).
2. hybrid power system according to claim 1, is characterized in that, described hydraulic accumulating device (9) comprising:
The hydraulic pump/motor (91) being connected with described magnetic clutch (8), the two ends of described hydraulic pump/motor (91) connect wherein two ports of three position four-way electromagnetic valve (92), another two ports of described three position four-way electromagnetic valve (92) connect high pressure accumulator (93) and low-pressure reservoir (94) by oil pipe respectively, and described high pressure accumulator (93) is connected with described low-pressure reservoir (94) by two-position two-way solenoid valve (95).
3. hybrid power system according to claim 2, is characterized in that, the oil pipe that described hydraulic pump/motor (91) is connected with described three position four-way electromagnetic valve (92) is provided with check valve (96).
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| CN201420246543.7U CN203854499U (en) | 2014-05-14 | 2014-05-14 | Hybrid power system |
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| CN201420246543.7U CN203854499U (en) | 2014-05-14 | 2014-05-14 | Hybrid power system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908569A (en) * | 2015-06-26 | 2015-09-16 | 潍柴动力股份有限公司 | Vehicle and hybrid power system |
| CN104986028A (en) * | 2015-07-15 | 2015-10-21 | 北京信息科技大学 | Vehicle hybrid driving system |
| CN105216602A (en) * | 2014-11-12 | 2016-01-06 | 徐州重型机械有限公司 | A kind of hybrid power application process and system |
| CN105485065A (en) * | 2016-01-31 | 2016-04-13 | 太原理工大学 | Control system used for treating peak load of rocker arm coal mining machine and control method |
| CN105485066A (en) * | 2016-01-31 | 2016-04-13 | 太原理工大学 | Electro-hydraulic hybrid power drive system of tunneling machine and control method |
| CN107264335A (en) * | 2016-04-08 | 2017-10-20 | 现代自动车株式会社 | For the system and method for the torque for controlling electric vehicle |
| CN107351670A (en) * | 2017-08-02 | 2017-11-17 | 李振河 | Multi-energy hybrid power energy saving vehicle |
| CN107745632A (en) * | 2017-10-31 | 2018-03-02 | 重庆大学 | Oily the electrohydraulic mixed power system and different working modes conversion method that antero posterior axis independently drives |
| CN110015282A (en) * | 2019-05-22 | 2019-07-16 | 安徽柳工起重机有限公司 | Vehicle hydraulic retarder |
| CN113757193A (en) * | 2021-09-02 | 2021-12-07 | 浙江大学 | Electro-hydrostatic energy storage unit |
| CN113815398A (en) * | 2021-10-28 | 2021-12-21 | 华侨大学 | Wheel type mobile machine and parallel oil-electric-hydraulic hybrid driving system and driving method thereof |
-
2014
- 2014-05-14 CN CN201420246543.7U patent/CN203854499U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216602B (en) * | 2014-11-12 | 2018-05-18 | 徐州重型机械有限公司 | A kind of hybrid power application process and system |
| CN105216602A (en) * | 2014-11-12 | 2016-01-06 | 徐州重型机械有限公司 | A kind of hybrid power application process and system |
| CN104908569B (en) * | 2015-06-26 | 2018-08-31 | 潍柴动力股份有限公司 | A kind of vehicle and its hybrid power system |
| CN104908569A (en) * | 2015-06-26 | 2015-09-16 | 潍柴动力股份有限公司 | Vehicle and hybrid power system |
| CN104986028A (en) * | 2015-07-15 | 2015-10-21 | 北京信息科技大学 | Vehicle hybrid driving system |
| CN104986028B (en) * | 2015-07-15 | 2018-08-07 | 北京信息科技大学 | A kind of vehicle hybrid drive system |
| CN105485066A (en) * | 2016-01-31 | 2016-04-13 | 太原理工大学 | Electro-hydraulic hybrid power drive system of tunneling machine and control method |
| CN105485065A (en) * | 2016-01-31 | 2016-04-13 | 太原理工大学 | Control system used for treating peak load of rocker arm coal mining machine and control method |
| CN105485065B (en) * | 2016-01-31 | 2018-12-25 | 太原理工大学 | A kind of Rocker coal mining machine peak load regulator control system and control method |
| CN107264335A (en) * | 2016-04-08 | 2017-10-20 | 现代自动车株式会社 | For the system and method for the torque for controlling electric vehicle |
| CN107351670A (en) * | 2017-08-02 | 2017-11-17 | 李振河 | Multi-energy hybrid power energy saving vehicle |
| CN107745632A (en) * | 2017-10-31 | 2018-03-02 | 重庆大学 | Oily the electrohydraulic mixed power system and different working modes conversion method that antero posterior axis independently drives |
| CN110015282A (en) * | 2019-05-22 | 2019-07-16 | 安徽柳工起重机有限公司 | Vehicle hydraulic retarder |
| CN110015282B (en) * | 2019-05-22 | 2023-09-15 | 安徽柳工起重机有限公司 | Hydraulic retarder for vehicle |
| CN113757193A (en) * | 2021-09-02 | 2021-12-07 | 浙江大学 | Electro-hydrostatic energy storage unit |
| CN113815398A (en) * | 2021-10-28 | 2021-12-21 | 华侨大学 | Wheel type mobile machine and parallel oil-electric-hydraulic hybrid driving system and driving method thereof |
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