CN204895435U - Car braking energy retrieves control system - Google Patents
Car braking energy retrieves control system Download PDFInfo
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- CN204895435U CN204895435U CN201520633120.5U CN201520633120U CN204895435U CN 204895435 U CN204895435 U CN 204895435U CN 201520633120 U CN201520633120 U CN 201520633120U CN 204895435 U CN204895435 U CN 204895435U
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Abstract
The utility model discloses a car braking energy retrieves control system, including the automatically controlled unit of ABS, braking main valve, front axle brake chamber, rear axle brake chamber, first solenoid valve subassembly, second solenoid valve subassembly, quick release valve, with the first valve body of braking main valve linkage, second valve body, the fast detection device of wheel and the first relay valve with the linkage of braking main valve, the braking main valve has the first loop gas outlet and second return circuit gas outlet, front axle brake chamber connects gradually first solenoid valve subassembly, quick release valve, first valve body and second return circuit gas outlet with the control piper, rear axle brake chamber connects gradually second solenoid valve subassembly, first relay valve, second valve body and the first loop gas outlet with the control piper, the fast detection device of first solenoid valve subassembly, second solenoid valve subassembly and wheel is connected to the automatically controlled unit of ABS electricity respectively. The utility model discloses can control the car mechanical energy furthest conversion electrical energy storage in when braking, supply the car normally to start to walk, with higher speed or the use of evenly traveling.
Description
Technical field
The utility model relates to automobile brake, particularly relates to a kind of Recovering Waste Energy of Braking in Automobiles system.
Background technology
In recent years, the integral new-energy passengers such as pure electronic and hybrid power have welcome fast development, the public bus network in many cities has the figure of integral new-energy passenger, Brake energy recovery to be one of modern pure electric automobile and hybrid electric vehicle important technology, is also their important feature.On general internal-combustion engines vehicle, when car retardation, braking, the kinergety of vehicle changes heat energy into by brake system, and discharges in air.And on electronlmobil and hybrid electric vehicle, this kinergety be wasted by Brake energy recovery technical change be electrical energy for storage in storage battery, and be further converted to driving-energy.Such as, when vehicle start or when accelerating, when needing to increase propulsive effort, motor propulsive effort becomes the auxiliary power of driving engine, makes electric energy obtain effectively application.
It is generally acknowledged, in the common braking occasion of the non-emergent braking of vehicle, the energy of about 1/5 can be reclaimed by braking.Brake energy recovery is different according to the mode of operation difference of hybrid power.
New-energy automobile (passenger vehicle) domestic at present, the main ABS system adopting ABS electromagnetic valve, ABS ECU (Electrical Control Unit) (ECU), wheel speed sensors and the parts such as gear ring, wirning harness composition, is directly installed on automobile without any changes.Namely when car brakeing, brake energy recovering system participates in work at once, and drive motor is with the form work of electrical generator, and the kinetic energy travel vehicle and potential energy, be converted into electric energy, and be stored in power battery pack; When vehicle starting, acceleration or when at the uniform velocity travelling, the electric energy supply drive motor that power battery pack will store, drives the system that vehicle travels.In addition, for ABS function, when vehicle is tending towards locking, ECU starts cycle control by the pressure of adjustable brake air chamber, makes slip rate keep optimal value.
Wherein, ABS: anti-skid brake system ABS full name is Anti-lockBrakeSystem, is that one has and prevents wheel lockup, shortens automobile brake distance, reduces wear on tyres, prevent the automobile active safety device of the advantage such as Vehicle Driving Wandering, whipping.
ABS ECU (Electrical Control Unit) (ECU): ABS ECU (Electrical Control Unit) (ECU) full name is ElectronicControlUnit is the core controller of ABS system.The function of ABS ECU (Electrical Control Unit) (ECU) carries out computing, process, judgement, then output command according to the program of its internal memory and the information of data mutual transmission sensor input, provides certain control information to ABS electromagnetic valve.ABS ECU (Electrical Control Unit) (ECU) is made up of microcomputer, input, output and control circuit etc.
But there is following defect in above-mentioned existing brake energy recovering system:
Adopt above-mentioned Brake energy recovery scheme, when driver gently touches on the brake, brake energy recovering system participates in work at once, meanwhile conventional brake also take part in work, such automotive department transfer changes into heat energy and has been consumed by brake system, the efficiency of Brake energy recovery is lower, weak effect; Secondly, when there is locking in wheel, the electric signal that ABS is started working by physics wire harness by ABS system is supplied to brake energy recovering system, brake energy recovering system quits work after receiving this electric signal immediately, do not play the effect well reducing energy consumption, improve continual mileage, the effect of brake energy recovering system is had a greatly reduced quality.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide Recovering Waste Energy of Braking in Automobiles control system, and mechanical energy when can control automobile brake transforms power storage to greatest extent, normally starts to walk, accelerates or evenly travel for automobile.
The purpose of this utility model realizes by the following technical solutions:
A kind of Recovering Waste Energy of Braking in Automobiles control system, comprise ABS ECU (Electrical Control Unit), main brake valve, front axle brake air chamber, rear axle compressed air brake cylinder, the first electromagnetic valve component, the second electromagnetic valve component, rapid release valve, the first valve body link with main brake valve, and main brake valve link the second valve body, take turns speed detector and the first relay valve, main brake valve has the first loop air extractor duct and second servo loop air extractor duct, and front axle brake air chamber connects the first electromagnetic valve component, rapid release valve, the first valve body and second servo loop air extractor duct successively with pilot piping; Rear axle compressed air brake cylinder connects the second electromagnetic valve component, the first relay valve, the second valve body and the first loop air extractor duct successively with pilot piping; ABS ECU (Electrical Control Unit) is electrically connected the first electromagnetic valve component, the second electromagnetic valve component and wheel speed detector respectively.
Preferably, front axle brake air chamber comprises front left compressed air brake cylinder and front right compressed air brake cylinder, first electromagnetic valve component comprises front left ABS electromagnetic valve and front right ABS electromagnetic valve, front left compressed air brake cylinder is connected to rapid release valve by front left ABS electromagnetic valve, and front right compressed air brake cylinder is connected to rapid release valve by front right ABS electromagnetic valve.
Preferably, rear axle compressed air brake cylinder comprises rear left compressed air brake cylinder and rear right compressed air brake cylinder, second electromagnetic valve component comprises rear left ABS electromagnetic valve and rear right ABS electromagnetic valve, rear left compressed air brake cylinder is connected to the first relay valve by rear left ABS electromagnetic valve, and rear right compressed air brake cylinder is connected to the first relay valve by rear right ABS electromagnetic valve.
Preferably, wheel speed detector comprises the ABS gear ring and wheel speed sensors that are installed on front-wheel and trailing wheel respectively, and ABS ECU (Electrical Control Unit) is electrically connected each wheel speed sensors respectively.
Preferably, also comprise source of the gas, this source of the gas connects main brake valve and the first relay valve respectively, and this source of the gas also connects rear axle compressed air brake cylinder by one second relay valve.
Compared to existing technology, the beneficial effects of the utility model are:
The constructional feature of the utility model new-energy automobile, in conjunction with the requirement of brake energy recovering system, utilize the first valve body, the second valve body, the first electromagnetic valve component, the second electromagnetic valve component as brake-pressure regulating mechanism, the Brake energy recovery and conventional brake, the anti-lock that realize vehicle control, change less to the brake system of former car, ideal Brake energy recovery and the controlling functions of anti-lock can be realized, improve economy and the safety of vehicle.By extending brake energy recovering system work-hours, adding continual mileage, for hybrid vehicle, also saving fuel oil.
Specifically, during braking, with the energy of thermal energy consumption during effective recovery car brakeing, to raising car load economy, the continual mileage extending new-energy automobile is played a positive role, fuel oil is also saved for hybrid electric vehicle; In the process of energy regenerating, partial brake power required when the motor of external energy recovery system can produce car brakeing with generation mode work, under low rate of braking, can only brake by regenerative braking force, reduce the frequency of utilization of friction lining, improve the service life of Conventional braking systems.Meanwhile, prevent wheel lockup, reduce wear on tyres, reduce service expenditure, improve braking safety and traveling comfort.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the utility model Recovering Waste Energy of Braking in Automobiles control system.
In figure: 1, ABS ECU (Electrical Control Unit); 2, main brake valve; 3, front left compressed air brake cylinder; 4, front right compressed air brake cylinder; 5, front left ABS electromagnetic valve; 6, front right ABS electromagnetic valve; 7, rear left compressed air brake cylinder; 8, rear right compressed air brake cylinder; 9, rear left ABS electromagnetic valve; 10, rear right ABS electromagnetic valve; 11, rapid release valve; 12, the first valve body; 13, the second valve body; 14, gear ring; 15, wheel speed sensors; 16, source of the gas; 17, the first relay valve; 18, the second relay valve.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the utility model is described further:
A kind of Recovering Waste Energy of Braking in Automobiles control system as shown in Figure 1, comprise ABS ECU (Electrical Control Unit) 1 (ECU), main brake valve 2, front axle brake air chamber, rear axle compressed air brake cylinder, first electromagnetic valve component, second electromagnetic valve component, rapid release valve 11, the first valve body 12 linked with main brake valve 2, the second valve body 13 linked with main brake valve 2, wheel speed detector and the first relay valve 17, main brake valve 2 has the first loop air extractor duct and second servo loop air extractor duct, front axle brake air chamber connects the first electromagnetic valve component successively with pilot piping, rapid release valve 11, first valve body 12 and second servo loop air extractor duct, rear axle compressed air brake cylinder connects the second electromagnetic valve component, the first relay valve 17, second valve body 13 and the first loop air extractor duct successively with pilot piping, ABS ECU (Electrical Control Unit) 1 is electrically connected the first electromagnetic valve component, the second electromagnetic valve component and wheel speed detector respectively.
Utilize the first valve body 12, second valve body 13, first electromagnetic valve component, the second electromagnetic valve component as brake-pressure regulating mechanism, the Brake energy recovery and conventional brake, the anti-lock that realize vehicle control, change less to the brake system of former car, ideal Brake energy recovery and the controlling functions of anti-lock can be realized, improve economy and the safety of vehicle.
When chaufeur gently steps on main brake valve 2, the first valve body 12, second valve body 13 described in the utility model is closed, and front axle brake air chamber and rear axle compressed air brake cylinder will lose function, does not namely allow conventional brake participation work.Now, only allow the work of external energy recovery system, brake energy recovering system is responsible for providing required lock torque.Along with the reinforcement of the braking force to main brake valve 2, first valve body 12, second valve body 13 interlock is opened, when the lock torque that brake energy recovering system provides is not enough, now front axle brake air chamber and rear axle compressed air brake cylinder obtain braking function, realize the effect of conventional brake polishing, namely by regulating ABS electromagnetic valve intake period to realize; When the locking of wheel trend, first ABS electromagnetic valve reduces pressure, part or all of releasing conventional brake, brake energy recovering system work is not removed less than extreme case, such can guarantee carries out Brake energy recovery to greatest extent, extend the work-hours of brake energy recovering system, decrease conventional brake work-hours, reduce energy consumption, improve continual mileage and economic performance.
In addition, for ABS function, ABS ECU (Electrical Control Unit) 1 is according to the information of wheel speed detector, control front axle brake air chamber by the first electromagnetic valve, the second electromagnetic valve, trailing wheel controls air chamber, and then the front left of front axle, front right wheel, rear left, rear right wheel braking force are controlled, prevent front axle, rear axle wheel lockup, ensure car load brake time, especially when wet-skid road surface brake wheel lockup, sideslip, even whipping and fold.
First valve body 12 and the second valve body 13 can adopt the ERABS valve in conjunction with energy regenerating and ABS function, or other conventional valve body that can link with main brake valve 2.
As one preferred embodiment, the front axle brake air chamber of this example comprises front left compressed air brake cylinder 3 and front right compressed air brake cylinder 4, first electromagnetic valve component comprises front left ABS electromagnetic valve 5 and front right ABS electromagnetic valve 6, front left compressed air brake cylinder 3 is connected to rapid release valve 11 by front left ABS electromagnetic valve 5, and front right compressed air brake cylinder 4 is connected to rapid release valve 11 by front right ABS electromagnetic valve 6.
As one preferred embodiment, rear axle compressed air brake cylinder comprises rear left compressed air brake cylinder 7 and rear right compressed air brake cylinder 8, second electromagnetic valve component comprises rear left ABS electromagnetic valve 9 and rear right ABS electromagnetic valve 10, rear left compressed air brake cylinder 7 is connected to the first relay valve 17 by rear left ABS electromagnetic valve 9, and rear right compressed air brake cylinder 8 is connected to the first relay valve 17 by rear right ABS electromagnetic valve 10.
As one preferred embodiment, take turns speed detector and comprise the ABS gear ring 14 that is installed on front-wheel and trailing wheel respectively and wheel speed sensors 15, ABS ECU (Electrical Control Unit) 1 is electrically connected each wheel speed sensors 15 respectively.ABS gear ring 14 and wheel speed sensors 15 combined action can obtain the rotary speed information of wheel on wheel.
Wherein, the Recovering Waste Energy of Braking in Automobiles control system of this example also comprises source of the gas 16, and this source of the gas 16 connects main brake valve 2 and the first relay valve 17 respectively, and this source of the gas 16 also connects rear axle compressed air brake cylinder by one second relay valve 18.
The utility model possesses following effect:
1, under the prerequisite guaranteeing automobile anti-lock braking, by control of the present utility model, the mechanical energy of auto in Braking can be converted to power storage to greatest extent, for vehicle starting, acceleration or when normally travelling.
2, under low rate of braking, by control of the present utility model, conventional brake does not participate in work, does not remove brake energy recovering system work less than extreme case, extends the work-hours of brake energy recovering system, decreases conventional brake work-hours.
3, under control action of the present utility model, ABS system is in braking procedure, and monitoring of participating in the overall process, has during locking trend at wheel and participate in work immediately.
4, work steadily seamless between Brake energy recovery braking, conventional brake, anti-lock control is realized.
5, the utility model effectively can prevent Motor Vehicles in Emergency Brake Application locking, tire eccentric wear, effectively extends the service life of tire, reduces use cost.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (5)
1. a Recovering Waste Energy of Braking in Automobiles control system, it is characterized in that, comprise ABS ECU (Electrical Control Unit), main brake valve, front axle brake air chamber, rear axle compressed air brake cylinder, the first electromagnetic valve component, the second electromagnetic valve component, rapid release valve, the first valve body link with main brake valve, and main brake valve link the second valve body, take turns speed detector and the first relay valve, main brake valve has the first loop air extractor duct and second servo loop air extractor duct, and front axle brake air chamber connects the first electromagnetic valve component, rapid release valve, the first valve body and second servo loop air extractor duct successively with pilot piping; Rear axle compressed air brake cylinder connects the second electromagnetic valve component, the first relay valve, the second valve body and the first loop air extractor duct successively with pilot piping; ABS ECU (Electrical Control Unit) is electrically connected the first electromagnetic valve component, the second electromagnetic valve component and wheel speed detector respectively.
2. Recovering Waste Energy of Braking in Automobiles control system according to claim 1, it is characterized in that, front axle brake air chamber comprises front left compressed air brake cylinder and front right compressed air brake cylinder, first electromagnetic valve component comprises front left ABS electromagnetic valve and front right ABS electromagnetic valve, front left compressed air brake cylinder is connected to rapid release valve by front left ABS electromagnetic valve, and front right compressed air brake cylinder is connected to rapid release valve by front right ABS electromagnetic valve.
3. Recovering Waste Energy of Braking in Automobiles control system according to claim 1, it is characterized in that, rear axle compressed air brake cylinder comprises rear left compressed air brake cylinder and rear right compressed air brake cylinder, second electromagnetic valve component comprises rear left ABS electromagnetic valve and rear right ABS electromagnetic valve, rear left compressed air brake cylinder is connected to the first relay valve by rear left ABS electromagnetic valve, and rear right compressed air brake cylinder is connected to the first relay valve by rear right ABS electromagnetic valve.
4. Recovering Waste Energy of Braking in Automobiles control system according to claim 1, is characterized in that, wheel speed detector comprises the ABS gear ring and wheel speed sensors that are installed on front-wheel and trailing wheel respectively, and ABS ECU (Electrical Control Unit) is electrically connected each wheel speed sensors respectively.
5. the Recovering Waste Energy of Braking in Automobiles control system according to any one of Claims 1 to 4, is characterized in that, also comprise source of the gas, and this source of the gas connects main brake valve and the first relay valve respectively, and this source of the gas also connects rear axle compressed air brake cylinder by one second relay valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520633120.5U CN204895435U (en) | 2015-08-20 | 2015-08-20 | Car braking energy retrieves control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520633120.5U CN204895435U (en) | 2015-08-20 | 2015-08-20 | Car braking energy retrieves control system |
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| CN204895435U true CN204895435U (en) | 2015-12-23 |
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| CN201520633120.5U Active CN204895435U (en) | 2015-08-20 | 2015-08-20 | Car braking energy retrieves control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335249A (en) * | 2021-07-12 | 2021-09-03 | 山东理工大学 | Pneumatic braking device and braking method for urban public transport |
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2015
- 2015-08-20 CN CN201520633120.5U patent/CN204895435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335249A (en) * | 2021-07-12 | 2021-09-03 | 山东理工大学 | Pneumatic braking device and braking method for urban public transport |
| CN113335249B (en) * | 2021-07-12 | 2022-09-27 | 山东理工大学 | Pneumatic braking device and braking method for urban public transport |
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Address after: 510663 Guangdong province Guangzhou Science City, Guangzhou economic and Technological Development Zone Nanxiang branch No. 1 Patentee after: Guangzhou Ruili Comet automobile electronic Limited by Share Ltd Address before: 510663 Guangdong province Guangzhou Science City, Guangzhou economic and Technological Development Zone Nanxiang branch No. 1 Patentee before: GUANGZHOU KORMEE AUTOMOTIVE ELECTRONIC CONTROL TECHNOLOGY CO., LTD. |