CN204527186U - A kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission - Google Patents
A kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission Download PDFInfo
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- CN204527186U CN204527186U CN201520128537.6U CN201520128537U CN204527186U CN 204527186 U CN204527186 U CN 204527186U CN 201520128537 U CN201520128537 U CN 201520128537U CN 204527186 U CN204527186 U CN 204527186U
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Abstract
The utility model relates to a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission, comprise the electronic brake pedal of power battery pack and hybrid electric vehicle, and the motor connected successively, the first hydraulic pump motor mechanism, the second hydraulic pump motor mechanism and wheel.Judge whether hybrid electric vehicle is in braking mode by electronic brake pedal aperture; When hybrid electric vehicle is in braking mode, make machine operation at generating state, for power battery pack is charged, being formed in braking procedure and carry out with the anti-motor that drags of hydraulic efficiency pressure system the Brake energy recovery structure generated electricity, is that electrical power storage is in power battery pack by hydraulic energy transfer; And regulate according to the discharge capacity of rate of braking value to the first hydraulic pump motor mechanism and the second hydraulic pump motor mechanism, ensure that motor operates in efficiency power generation district, realize braking energy and transform recovery to greatest extent.
Description
Technical field
The utility model relates to Brake energy recovery field, particularly relates to a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission.
Background technology
Along with the exhaustion day by day of the fossil resource such as oil, natural fuels and the increasingly serious of environmental problem, various automobile energy-saving technology is more and more developed and is applied.Brake energy recovery is a kind of effective automobile energy-saving technology, and it reduces energy dissipation when vehicle travels by the braking energy of recycling vehicle, carries high-octane conversion efficiency.Normally used energy regenerating strategy is mainly divided into following three kinds: when 1) having the car brakeing of change speed gear box, CVT or turbine transformer, by the kinetic energy drive electrical generators generating that driving system travels with vehicle, and by the power storage of generation in super capacitor or storage battery; 2), during car brakeing, the kinetic transformation of vehicle is become the kinetic energy storage of high speed flywheel; 3) adopt the vehicle of static pressure transmission, by pump motor mechanism, the kinetic transformation of vehicle is become pressure potential when car brakeing and be stored in energy storage.
Wherein, scheme 1 is less due to the transmitting ratio variable range of existing driving system, is difficult to motor is reached and maintains higher generating rotating speed during braking, and then causes in time vehicle energy can not being converted into electric energy and store.In addition, this also causes power generating system can not meet the braking torque demand of vehicle and must assist with mechanical braking, and this just wastes a large amount of braking energy virtually, limits the lifting of the vehicle braking energy percent recovery.The development of CVT technology and turbine transformer technology has some improvement to this problem, but also far can not reach gratifying effect.Static pressure transmission vehicle generally adopts scheme 3 to carry out Brake energy recovery, the power density of energy storage is large, rapidly and efficiently energy regenerating can be carried out in the starting stage of energy regenerating, but its energy density is limited, the energy storage volume storing a large amount of energy demand is very large but also can affect hydraulic reservoir volume, and this is unallowed in the layout of vehicle.Therefore, develop a set of can the scheme of high efficiente callback vehicle braking energy very necessary.
Summary of the invention
The purpose of this utility model is to solve the problems of the prior art, provides a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission that rapidly and efficiently can carry out energy regenerating.
The technical scheme of the utility model brake energy recovering system is:
Comprise hybrid electric vehicle connects successively motor, the first hydraulic pump motor mechanism, the second hydraulic pump motor mechanism and wheel, described first hydraulic pump motor mechanism and the second hydraulic pump motor mechanism are electrically connected with entire car controller respectively; Entire car controller is also electrically connected with power battery pack, electric machine controller and electronic brake pedal respectively; Wherein:
The traveling that motor is used for for car load under electric drive mode provides power; The engine operation of auxiliary hybrid power car under combination drive pattern, for car load provides power-assisted; In driving charging with under Brake energy recovery pattern, be operated in generating state, for power battery pack supplements electricity;
First hydraulic pump motor mechanism and the second hydraulic pump motor mechanism, for realizing the static pressure transmission of hybrid electric vehicle, realize the high efficiente callback of braking energy;
Electronic brake pedal is used for providing brake pedal opening amount signal and aperture rate of change signal for entire car controller;
Entire car controller is used for opening amount signal and the aperture rate of change signal of Real-time Obtaining electronic brake pedal, and judges whether hybrid electric vehicle is in braking mode; When hybrid electric vehicle is in braking mode, entire car controller passes through motor controller controls machine operation at generating state; Entire car controller is also for obtaining the tach signal of motor and the second hydraulic pump motor mechanism, and tach signal is converted into vehicle speed signal, current rate of braking signal is obtained through fuzzy reasoning in conjunction with the opening amount signal of electronic brake pedal and aperture rate of change signal, adjust the mode of operation of the first hydraulic pump motor mechanism and the second hydraulic pump motor mechanism more respectively, its drive motor generated electricity and is stored in power battery pack, realizing the recovery of braking energy;
Electric machine controller is used for the control signal that sent by entire car controller and sends to motor, controls the mode of operation of the output speed of motor, torque and adjustment motor according to control signal.
Described power battery pack is electrically connected with entire car controller by power battery pack SOC value sensor, and power battery pack SOC value sensor is for detecting the SOC value of power battery pack.
Described motor is provided with motor speed sensor, and motor speed sensor is used for the motor speed signal of acquisition to pass to electric machine controller, adopts CAN communication mode between described electric machine controller and entire car controller.
Described first hydraulic pump motor mechanism comprises A, B two pressure port, and the pressure signal be respectively arranged with for obtaining A pressure port and B pressure port, and be converted into Hydraulic Pump A mouth pressure sensor and the Hydraulic Pump B mouth pressure sensor that current signal is transported to entire car controller.
Described second hydraulic pump motor organization establishes has for gathering its tach signal and transferring to the hydraulic motor speed sensor of entire car controller.
Described first hydraulic pump motor mechanism is for becoming discharge capacity type, and the second hydraulic pump motor mechanism is for becoming discharge capacity type or constant displacement type.
Compared with prior art, the utility model has following useful technique effect:
The utility model judges braking mode by the opening amount signal and aperture rate of change signal adopting entire car controller acquisition hybrid electric vehicle electronic brake pedal, by obtaining the tach signal of motor and the second hydraulic pump motor mechanism, and convert vehicle speed signal to, rate of braking signal is finally obtained in conjunction with the opening amount signal of electronic brake pedal and aperture rate of change signal, the discharge capacity of the first hydraulic pump motor mechanism and the second hydraulic pump motor mechanism is adjusted again according to rate of braking value, formed in braking procedure and carry out with the anti-motor that drags of hydraulic efficiency pressure system the Brake energy recovery structure generated electricity, energy during automobile brake, comprise gravitional force when automobile kinetic energy and descending, direct is the first hydraulic pump motor mechanical operation that hydraulic energy and then driving are connected with motor by the second hydraulic pump motor organisation conversion, it is that electrical power storage is in power battery pack that the first hydraulic pump motor mechanism drive motor be connected with motor operates hydraulic energy transfer, realize braking energy and transform recovery to greatest extent.
Further, the utility model by arranging power battery pack SOC value sensor, for detecting the SOC value of power battery pack, with the current mode of operation that should be in of auxiliary judgment hybrid electric vehicle.When power battery pack electricity is saturated when hybrid electric vehicle is in braking mode, is no longer batteries charging, prevents over-charging of battery, extend power battery pack service life.
Further, the utility model is by arranging Hydraulic Pump A mouth pressure sensor and Hydraulic Pump B mouth pressure sensor, the A pressure port of Real-time Obtaining first hydraulic pump motor mechanism and the force value of B pressure port, draw the operating power that hybrid electric vehicle is current and efficiency, be beneficial to and reclaim braking energy more quickly and efficiently.
Further, in the utility model, the first hydraulic pump motor mechanism is for becoming discharge capacity type, second hydraulic pump motor mechanism is for becoming discharge capacity type or constant displacement type, the displacement value of the first hydraulic pump motor mechanism can be regulated in real time according to the difference of rate of braking, if the second hydraulic pump motor mechanism selects equally become discharge capacity type, then coordinate adjustment, Liang Tao hydraulic pump motor mechanism realizes the hydraulic stepless speed regulating function of hybrid electric vehicle jointly simultaneously; And can when hybrid electric vehicle is braked, ensure that motor be in its efficacious workaround all the time by the real-time adjustment of Liang Tao hydraulic pump motor mechanism discharge capacity, thus realize hybrid electric vehicle reclaim braking energy to greatest extent under the prerequisite ensureing braking in time.
Further, the utility model, by monitoring the rotating speed of motor in real time, is beneficial to and ensures that motor operates in efficiency power generation district, be beneficial to braking energy and transform recovery to greatest extent.
Accompanying drawing explanation
Figure 1 shows that assembly structure chart of the present utility model.
Figure 2 shows that logic control schematic diagram of the present utility model.
Wherein: 1-motor; 2-motor speed sensor; 3-first hydraulic pump motor mechanism; 4-Hydraulic Pump B mouth pressure sensor; 5-Hydraulic Pump A mouth pressure sensor; 6-second hydraulic pump motor mechanism; 7-wheel; 8-hydraulic motor speed sensor; 9-electronic brake pedal; 10-entire car controller; 11-electric machine controller; 12-power battery pack.
Detailed description of the invention
The technical matters solved to make the utility model, technical scheme and beneficial effect clearly, are further elaborated to the utility model below in conjunction with accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
With reference to Fig. 1, hybrid electric vehicle in the utility model adopts oil electric mixed type propulsion source, comprise the motor 1 be electrically connected with entire car controller (ECU) 10 respectively, electric machine controller 11, hydraulic pump motor mechanism and relevant hydraulic valve piece, electronic brake pedal 9, motor speed sensor 2, hydraulic motor speed sensor 8, Hydraulic Pump A mouth pressure sensor 5, Hydraulic Pump B mouth pressure sensor 4, power battery pack 12 and power battery pack SOC value sensor, wherein hydraulic pump motor mechanism comprises the first hydraulic pump motor mechanism 3 and the second hydraulic pump motor mechanism 6 adopting hydraulic connecting each other, first hydraulic pump motor mechanism 3 is mechanically connected motor 1 and comprises A, B two pressure port, second hydraulic pump motor mechanism 6 is mechanically connected wheel 7.Wherein:
Motor 1 adopts GM (generator/motor) motor, and not only can do electrical motor but also can do electrical generator use, the traveling be mainly used in for car load under electric drive mode provides power; Auxiliary engine work under combination drive pattern, for car load provides power-assisted; In driving charging with under Brake energy recovery pattern, be operated in generating state, for power battery pack 12 supplements electricity.
Motor speed sensor 2 mainly for detection of the real-time rotate speed of motor 1, and determines the relevant position of current motor 1 rotor, then coherent signal is supplied to electric machine controller 11 and entire car controller 10 in order to judge and specifically to control.
Hydraulic pump motor mechanism and relevant hydraulic valve piece are mainly used in the static pressure transmission realizing hybrid electric vehicle, and the use of hydraulic pump motor mechanism can realize braking energy high efficiente callback.
Hydraulic Pump A mouth pressure sensor 5 and Hydraulic Pump B mouth pressure sensor 4 are mainly for detection of the A pressure port of the first hydraulic pump motor mechanism 3 and the force value of B pressure port, and force value is converted into current signal and is transported in entire car controller 10, in order to calculate the current operating power of hybrid electric vehicle and efficiency.
Coherent signal, mainly for detection of the real-time rotate speed of the second hydraulic pump motor mechanism 6, is then supplied to entire car controller 10 computing and obtains the present speed of hybrid electric vehicle in order to make reasoning by hydraulic motor speed sensor 8.
Electronic brake pedal 9 is mainly used in, for entire car controller 10 provides the braking requirement signal of chaufeur, comprising electronic brake pedal 9 aperture and brake pedal aperture rate of change.
Entire car controller 10 is for the pressure of the A pressure port of Real-Time Monitoring motor 1 rotating speed, the first hydraulic pump/motor mechanism 3 and B pressure port, electronic brake pedal 9 aperture and the correlation parameter such as aperture rate of change, power battery pack SOC value, and carry out corresponding Logic judgment and computing according to these parameters, and then send instruction control motor 1, hydraulic pump motor mechanism mode of operation with realize reclaim to greatest extent to improve the braking energy that hybrid electric vehicle fuel economy is target.
Electric machine controller 11 is main in order to accept entire car controller 10 instruction, and controls the mode of operation of the output speed of motor 1, torque and adjustment motor 1 according to instruction.
Power battery pack SOC value sensor is mainly for detection of the SOC value of power battery pack 12, and transfer to entire car controller 10, with the current mode of operation that should be in of auxiliary judgment hybrid electric vehicle, when when hybrid electric vehicle is in braking mode, power battery pack 12 electricity is saturated, it is no longer batteries charging, prevent over-charging of battery, extend power battery pack 12 service life.
Wherein, motor 1 adopts GM motor, and rear end must connect the first hydraulic pump motor mechanism 3 becoming discharge capacity type, and change discharge capacity type or constant displacement type can be selected to adopt by the second hydraulic pump motor mechanism 6, and the second hydraulic pump motor mechanism 6 is positioned at wheel 7 side, direct drive of wheel 7 rotates; Electronic brake pedal 9 needs directly or indirectly to provide pedal aperture and aperture rate of change two paths of signals; The SOC value of power battery pack 12 is supplied to entire car controller 10 by battery management system (bms) (not indicating in figure); Data interaction is carried out by CAN between entire car controller 10 and electric machine controller 11; Other accessory structure of hydraulic efficiency pressure system in figure, as repairing, leakage passage, control cock block, pressure confinement loop etc. littlely not to provide in the drawings one by one because associating with the utility model core content.
With reference to Fig. 2, process and the principle of the utility model Brake energy recovery are as follows:
1, after hybrid electric vehicle starts, the aperture of the real-time detected electrons brake pedal 9 of entire car controller 10, when aperture is " 0 ", hybrid electric vehicle normally starts traveling; When aperture is greater than " 0 ", illustrate that hybrid electric vehicle is in braking mode.
2, entire car controller 10 directly sends instruction and makes motor 1 be operated in generating state, and power battery pack 12 charging circuit connected by electric machine controller 11.
3, the pedal opening signal recorded in real time and aperture rate of change signal are given entire car controller 10 by electronic brake pedal 9, the tach signal of the second hydraulic pump motor mechanism 6 is given entire car controller 10 by motor rotational speed sensor 8 in a pulsed fashion, and the tach signal of the first hydraulic pump motor mechanism 3 is given electric machine controller 11 and given entire car controller 10 by electric machine controller 11 through CAN by motor speed sensor 2 in a pulsed fashion.
4, the tach signal of the second hydraulic pump motor mechanism 6 is converted into vehicle speed signal by entire car controller 10, comprise one using the opening amount signal of electronic brake pedal 9 and aperture rate of change signal and vehicle speed signal as input, using rate of braking as the fuzzy logic controller exported, the rate of braking of hybrid electric vehicle can be converted into (0,5] numerical value, the displacement value for the first hydraulic pump motor mechanism 3 and the second hydraulic pump motor mechanism 6 adjusts in real time and provides call parameter;
Wherein by strength signal scope (0,1] be defined as light and slow brake area; Will (1,3.5] be defined as average braking intensity area; Will (3.5,5] be defined as emergency braking intensity area.
5, the utility model is according to the governing equation analysis of hybrid power vehicle hydraulic system being proposed to hydraulic pump motor mechanism displacement value, has ensured efficiency and the effect of Brake energy recovery.
5.1 when being in (3.5, during emergency braking intensity area 5], entire car controller 10 controls the second hydraulic pump motor mechanism 6 discharge capacity and is adjusted to maxim, and the discharge capacity of the first hydraulic pump motor mechanism 3 is regulated by formula (1), the generated output of motor is adjusted to maxim by electric machine controller 11.Now, first hydraulic pump motor mechanism 3 by high-speed operation and drive motor 1 with maximum generation power generation, thus providing larger braking torque for hybrid electric vehicle, unnecessary hybrid electric vehicle kinetic energy carries out dissipating (therefore can mechanical braking assist) by by producing the mode such as hydraulic overflow, leakage in the mode that hydraulic pressure generate heat.Under this scheme, hybrid electric vehicle to brake as early as possible as major control target under the prerequisite of tire not locking (therefore hybrid electric vehicle can not rely on antiblock device).
In formula, P
bjfor the displacement value of the first hydraulic pump motor mechanism 3 during emergency braking; P
bminbe the minimum injection rate value that the first hydraulic pump motor mechanism 3 can keep normal operation, prevent wheel lockup; B
zdfor the rate of braking value obtained through entire car controller 10 fuzzy reasoning.
5.2 when rate of braking be in medium (1,3.5] time, first the discharge capacity of the second hydraulic pump motor mechanism 6 is adjusted to 2/3 of its variable range maxim by entire car controller 10.Then the displacement value of the first hydraulic pump motor mechanism 3 is regulated by following formula (2):
In formula, p
bit is the displacement value of the first hydraulic pump motor mechanism 3; P
lbgrbe 2/3 of the second hydraulic pump motor mechanism 6 discharge capacity variable range maxim; v
lbit is the tachometer value that the first hydraulic pump motor mechanism 3 detects in real time; η
lbgfor the Volumetric efficiency of gained second hydraulic pump motor mechanism 6 of tabling look-up in real time; v
beffor the range of speed intermediate value by looking into corresponding to the most high generation efficiency district of motor M AP figure gained motor; B
zdfor the rate of braking value obtained through entire car controller 10 fuzzy reasoning; F
vfor the discharge capacity coefficient of correction of the first hydraulic pump motor mechanism 3 according to different hybrid electric vehicle parameter formulation, according to hybrid electric vehicle to the different demands of retro-speed from intensity, discharge capacity coefficient of correction F
vspan (1,2], be specially demand larger, then value is higher.η
bfor the Volumetric efficiency of gained first hydraulic pump motor mechanism 3 of tabling look-up in real time.
This discharge capacity regulates equation can control hybrid electric vehicle under the prerequisite ensureing braking in time, and allow motor 1 be operated in efficient district as much as possible, and dependence motor 1 as much as possible generates electricity, the braking torque produced is braked.
5.3 when hybrid electric vehicle be in light and slow rate of braking (0,1] time, equally first the discharge capacity of the second hydraulic pump motor mechanism 6 is adjusted to 2/3 of its variable range maxim by entire car controller 10.Then the displacement value of the first hydraulic pump motor mechanism 3 is regulated by following equation (3):
In formula, P
b' be the displacement value of the first hydraulic pump motor mechanism 3; P
lbgrbe 2/3 of the second hydraulic pump motor mechanism 6 discharge capacity variable range maxim; v
lbit is the tachometer value that the second hydraulic pump motor mechanism 6 detects in real time; η
lbgfor the Volumetric efficiency of gained second hydraulic pump motor mechanism 6 of tabling look-up in real time; v
beffor the range of speed intermediate value by looking into corresponding to the most high generation efficiency district of motor M AP figure gained motor; η
bfor the Volumetric efficiency of gained first hydraulic pump motor mechanism 3 of tabling look-up in real time.
This equation can control motor 1 and all work in efficiency power generation region in whole braking procedure, makes hybrid electric vehicle, with the highest efficiency, the kinetic energy of hybrid electric vehicle is converted into electrical power storage in power battery pack 12 by motor 1.
Above control process is according to the first hydraulic pump motor mechanism 3 and the second hydraulic pump motor mechanism 6 situation becoming discharge capacity type to carry out, if the second hydraulic pump motor mechanism 6 adopts constant displacement type, then only regulate the first hydraulic pump motor mechanism 3 by above formula respectively.
The utility model defines the energy-recuperation system being different from common mechanical transmission and static pressure transmission hybrid electric vehicle, energy during automobile brake, comprise gravitional force when automobile kinetic energy and descending, directly be converted into hydraulic energy by the second hydraulic pump motor mechanism 6 and then drive the first hydraulic pump motor mechanism 3 be connected with motor 1 to operate, it is that electrical power storage is in power battery pack 12 that the first hydraulic pump motor mechanism 3 drive motor 1 be connected with motor 1 operates hydraulic energy transfer, so the utility model innovation propose a kind of braking time with hydraulic efficiency pressure system counter drag motor 1 to carry out generating electricity brake energy recovering system and method.The utility model can not rely on the auxiliary of mechanical braking, not by the restriction that energy storage energy density is low, can also according to the displacement value of the real-time regulator solution pressing system of the difference of rate of braking, motor 1 and hydraulic pump motor mechanism are run in territory, efficacious workaround as far as possible, realizes braking energy and transform recovery to greatest extent.When the utility model can also be avoided braking under the prerequisite without ABS system, tire is by the danger of locking, improves the braking safety of hybrid electric vehicle.
When the utility model is used for the Brake energy recovery of static pressure transmission hybrid electric vehicle, generate electricity with the anti-motor that drags of hydraulic efficiency pressure system during braking, brake can be made can not to rely on the auxiliary of mechanical braking, not by the restriction that energy storage energy density is low, and motor can be made to reach within the time omnidistance close to braking according to the braking intention of chaufeur and maintain higher generating rotating speed, the braking energy of hybrid electric vehicle is converted into electric energy to greatest extent, achieve braking energy to reclaim to greatest extent, when the utility model can also be avoided braking under the prerequisite without ABS system, tire is by the danger of locking, improve the braking safety of hybrid electric vehicle.The utility model by the rate of braking of hybrid electric vehicle is converted into concrete numerical value, for pump motor mechanism displacement value governing equation of adjusting in real time provides call parameter.According to the governing equation analysis of hybrid power vehicle hydraulic system being proposed to pump motor mechanism displacement value in the utility model, efficiency and the effect of Brake energy recovery are ensured.
The foregoing is only preferred embodiment of the present utility model and oneself; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent replace and improve the improvement etc. comprising and discharge capacity is reconciled to equation, all should be included within protection domain of the present utility model.
Claims (8)
1. the hybrid electric vehicle brake energy recovering system based on static pressure transmission, it is characterized in that: comprise hybrid electric vehicle connects successively motor (1), the first hydraulic pump motor mechanism (3), the second hydraulic pump motor mechanism (6) and wheel (7), described first hydraulic pump motor mechanism (3) and the second hydraulic pump motor mechanism (6) are electrically connected with entire car controller (10) respectively; Entire car controller (10) is also electrically connected with power battery pack (12), electric machine controller (11) and electronic brake pedal (9) respectively; Wherein:
Motor (1) provides power for the traveling for car load under electric drive mode; The engine operation of auxiliary hybrid power car under combination drive pattern, for car load provides power-assisted; In driving charging with under Brake energy recovery pattern, be operated in generating state, for power battery pack (12) supplements electricity;
First hydraulic pump motor mechanism (3) and the second hydraulic pump motor mechanism (6), for realizing the static pressure transmission of hybrid electric vehicle, realize the high efficiente callback of braking energy;
Electronic brake pedal (9) is for providing brake pedal opening amount signal and aperture rate of change signal for entire car controller (10);
Entire car controller (10) for the opening amount signal of Real-time Obtaining electronic brake pedal (9) and aperture rate of change signal, and judges whether hybrid electric vehicle is in braking mode; When hybrid electric vehicle is in braking mode, entire car controller (10) controls motor (1) by electric machine controller (11) and is operated in generating state; Entire car controller (10) is also for obtaining the tach signal of the second hydraulic pump motor mechanism (6), and tach signal is converted into vehicle speed signal, rate of braking signal is obtained in conjunction with the opening amount signal of electronic brake pedal (9) and aperture rate of change signal, adjust the mode of operation of the first hydraulic pump motor mechanism (3) and the second hydraulic pump motor mechanism (6) more respectively, its drive motor (1) generated electricity and is stored in power battery pack (12), realizing the recovery of braking energy;
Electric machine controller (11) sends to motor (1) for the control signal sent by entire car controller (10), according to control signal control motor (1) output speed, torque and adjustment motor (1) mode of operation.
2. a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission according to claim 1, it is characterized in that: described power battery pack (12) is electrically connected with entire car controller (10) by power battery pack SOC value sensor, power battery pack SOC value sensor is for detecting the SOC value of power battery pack.
3. a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission according to claim 1, it is characterized in that: described motor (1) is provided with motor speed sensor (2), motor speed sensor (2), for the motor speed signal of acquisition is passed to electric machine controller (11), adopts CAN communication mode between described electric machine controller (11) and entire car controller (10).
4. a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission according to claim 1, it is characterized in that: described first hydraulic pump motor mechanism (3) comprises A, B two pressure port, and the pressure signal be respectively arranged with for obtaining A pressure port and B pressure port, and be converted into Hydraulic Pump A mouth pressure sensor (5) and Hydraulic Pump B mouth pressure sensor (4) that current signal is transported to entire car controller (10).
5. a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission according to claim 1 or 4, is characterized in that: described second hydraulic pump motor mechanism (6) is provided with for gathering its tach signal and transferring to the hydraulic motor speed sensor (8) of entire car controller (10).
6. a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission according to claim 5, it is characterized in that: described first hydraulic pump motor mechanism (3) is for becoming discharge capacity type, and the second hydraulic pump motor mechanism (6) is for becoming discharge capacity type or constant displacement type.
7. a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission according to claim 1, it is characterized in that: described entire car controller (10) with for using the opening amount signal of electronic brake pedal (9) and aperture rate of change signal and vehicle speed signal as input, the fuzzy logic controller using rate of braking signal as output interacts.
8. a kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission according to claim 1 or 7, is characterized in that: described entire car controller (10) is also for obtaining the rotating speed of motor (1).
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| CN201520128537.6U CN204527186U (en) | 2015-03-05 | 2015-03-05 | A kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission |
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| CN201520128537.6U CN204527186U (en) | 2015-03-05 | 2015-03-05 | A kind of hybrid electric vehicle brake energy recovering system based on static pressure transmission |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691538A (en) * | 2015-03-05 | 2015-06-10 | 中国人民解放军总后勤部建筑工程研究所 | System and method for recovering brake energy of hybrid electric vehicle based on hydrostatic transmission |
| CN106585389A (en) * | 2015-10-20 | 2017-04-26 | 北汽福田汽车股份有限公司 | Electric vehicle, electric vehicle regenerative braking control method and device |
| CN106965697A (en) * | 2017-04-21 | 2017-07-21 | 阿尔特汽车技术股份有限公司 | Motor vehicle driven by mixed power energy recovery control system and control method based on HMI |
| CN111806304A (en) * | 2020-06-23 | 2020-10-23 | 同济大学 | Vehicle fuel cell-lithium ion capacitor composite power supply system and control method |
| CN113757193A (en) * | 2021-09-02 | 2021-12-07 | 浙江大学 | Electro-hydrostatic energy storage unit |
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2015
- 2015-03-05 CN CN201520128537.6U patent/CN204527186U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691538A (en) * | 2015-03-05 | 2015-06-10 | 中国人民解放军总后勤部建筑工程研究所 | System and method for recovering brake energy of hybrid electric vehicle based on hydrostatic transmission |
| CN104691538B (en) * | 2015-03-05 | 2017-09-29 | 中国人民解放军总后勤部建筑工程研究所 | A kind of hybrid electric vehicle brake energy recovering system and method based on static pressure transmission |
| CN106585389A (en) * | 2015-10-20 | 2017-04-26 | 北汽福田汽车股份有限公司 | Electric vehicle, electric vehicle regenerative braking control method and device |
| CN106585389B (en) * | 2015-10-20 | 2019-06-14 | 北京宝沃汽车有限公司 | The control method and device of electric car and electric car regenerative braking |
| CN106965697A (en) * | 2017-04-21 | 2017-07-21 | 阿尔特汽车技术股份有限公司 | Motor vehicle driven by mixed power energy recovery control system and control method based on HMI |
| CN106965697B (en) * | 2017-04-21 | 2023-08-29 | 阿尔特汽车技术股份有限公司 | HMI-based hybrid vehicle energy recovery control system and control method |
| CN111806304A (en) * | 2020-06-23 | 2020-10-23 | 同济大学 | Vehicle fuel cell-lithium ion capacitor composite power supply system and control method |
| CN111806304B (en) * | 2020-06-23 | 2021-09-03 | 同济大学 | Vehicle fuel cell-lithium ion capacitor composite power supply system and control method |
| CN113757193A (en) * | 2021-09-02 | 2021-12-07 | 浙江大学 | Electro-hydrostatic energy storage unit |
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