CN105882420B - Power device for automotive safety lifting system - Google Patents

Power device for automotive safety lifting system Download PDF

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Publication number
CN105882420B
CN105882420B CN201610225337.1A CN201610225337A CN105882420B CN 105882420 B CN105882420 B CN 105882420B CN 201610225337 A CN201610225337 A CN 201610225337A CN 105882420 B CN105882420 B CN 105882420B
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CN
China
Prior art keywords
power source
brake
hydraulic pump
steering
pump
Prior art date
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
Application number
CN201610225337.1A
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Chinese (zh)
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CN105882420A (en
Inventor
高兴龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Xinglong Passenger Car Energy Saving Co Ltd
Original Assignee
Shenzhen Xinglong Passenger Car Energy Saving Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Shenzhen Xinglong Passenger Car Energy Saving Co Ltd filed Critical Shenzhen Xinglong Passenger Car Energy Saving Co Ltd
Priority to CN201610225337.1A priority Critical patent/CN105882420B/en
Publication of CN105882420A publication Critical patent/CN105882420A/en
Application granted granted Critical
Publication of CN105882420B publication Critical patent/CN105882420B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0092—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption with use of redundant elements for safety purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/46—Vacuum systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
    • B62D5/046—Controlling the motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means

Abstract

The present invention is a kind of power device for automotive safety lifting system, is suitable for the motor vehicles such as automobile, it is intended to promote the safety of running car by promoting the reliability of automobile steering system, braking system and security classes power device.Include: in addition to automobile have been provided with for the main power source of steering system and braking system, reverse driven power source other than, be additionally arranged emergency power supply, ternary control device, further include steering power device, backward boost and dangerous warning device etc..When main power source and reverse driven power source fail, start emergency power supply and continue to provide electric power to steering system, braking system and security classes power device, automobile is kept to stop traveling front steering system, braking system and security classes power device normal work.The beneficial effects of the invention are as follows solving automobile in the process of moving since main power source, reverse driven power source are failed and bring security hidden trouble, premise can be provided especially for safe utilization automobile inertial for vehicle safety travel.

Description

Power device for automotive safety lifting system
The application is the Chinese invention of entitled " a kind of automotive safety lifting system " application No. is 201019164029.2 The divisional application of patent application.
Technical field
The present invention relates to a kind of power devices for automotive safety lifting system --- promoted existing automobile steering system, The reliability and validity of braking system and security classes power device, especially to steering system in vehicle traveling process and braking Emergency power is provided when system runs out of steam or power is not able to satisfy requirement, guarantees steering system, braking system and safety Class power device is normally effective, is vehicle safety travel, particularly is that safe utilization automobile inertial can provide premise.
Background technique
The steering system and service braking system (hereinafter referred to as braking system) of present automobile are mainly the following form:
1, the mechanical steering system of manually driven and braking system, driver are directly driven by steering wheel and brake pedal Dynamic steering mechanism and arrestment mechanism are implemented to turn to completely and be braked by the strength of driver without other power-assisteds or power, this The steering of kind form uses fewer and fewer now with braking system.
2, the steering system and braking system based on being driven by electricity.Steering system mainly has line traffic control electric powered steering, electronic Power-assisted steering, electric hydraulic power-assisted steering etc., braking system mainly have line traffic control electrodynamic braking, electric hydaulic braking, electric pneumatic Braking, electric vacuum booster braking etc., electricity consumption power passes through steering wheel and system as the driving source turned to braking system, driver Dynamic pedal can easily realize steering and braking.
3, the steering system and braking system based on combustion engine powered.The hydraulic booster of internal combustion engine driving steering hydraulic pump Turn to, internal combustion engine drive hydraulic pump hydraulic braking, internal combustion engine driving air compressor machine air-pressure brake, internal combustion engine driving vacuum pump or Inlet manifold of IC engine forms the vacuum servo formula braking of vacuum source, uses combustion engine powered dynamic with the source of braking system as turning to Power, driver can easily realize steering and braking by steering wheel and brake pedal.
For driving the automobile of steering system and braking system as power source using electric power or internal combustion engine, there is because dynamic Power source is broken down, without being able to satisfy steering system and the problem of braking system requirement, i.e., be whether driven by electricity or Internal combustion engine driving, when power source is because there is the problems such as various failures, damage, to turn to the power provided with braking system such as electricity Pressure, electric current or revolving speed etc. are not able to satisfy the needs of steering system and braking system, bring security risk for running car.
When driving steering system and braking system such as based on electric power, there are power battery pack or fuel cell or mixing are dynamic Power etc. breaks down, and the electric power for being input to steering and braking system is made not to be able to satisfy the needs of steering and braking system, is automobile Traveling brings security risk.
When driving steering system and braking system such as based on internal combustion engine, break down there are internal combustion engine or flame-out, internal combustion The output revolving speed of machine crankshaft declines rapidly, and revolving speed is not able to satisfy the needs of steering and braking system soon, is running car Bring security risk.
Although some automobiles can be directly connected to diverter by disengagement booster to continue to control driving direction, need Steering wheel can be just moved with very big strength, will imply that control direction for the personage of this Ms small to strength and long life Be it is highly difficult, control difficulty exactly is also increased to the driver of normal physical strength.Although current national Specification is in energy When supply failure, energy storage device should be able to carry out 4 total travels to brake control and actuate, but this is inadequate in certain occasions , risk is bigger when especially automobile is slided with higher speed.Although some automobiles can be by parking braking system or slow Speed system reduces automobile driving speed, but parking brake brakes limited strength, and retarder cannot be used for quickly stopping.Therefore At this moment just will appear can neither stop and be difficult control direction, and running car has very big security risk.
Gasoline through freewheeling of automobile device has been installed additional especially for using automobile inertial energy, and steering system is driven by internal combustion engine The automobile of system and braking system, while the car is driving often in freewheeling condition.When internal combustion engine breaks down or puts out When fiery, if automobile just coast at a relatively high speed at this time, because internal-combustion engine rotational speed will not be acted on by reverse driven power, revolving speed will very Zero is dropped to fastly, and steering system and braking system are by unpowered input, and automobile continues to slide in the presence of very big security risk, this is automobile The basic bottleneck of safe utilization inertial energy-saving.
The security classes power device of present automobile is to provide electric power by on-vehicle battery or mobile generator.Electric power it is insufficient or When without electricity, security classes power device will also fail, such as turn signal, Brake lamp, danger alarm lamp, loudspeaker cannot play warning and make With antilock device, air bag, automatic door will also lose its function, and causing running car, there are more serious safety Hidden danger.
Requirement with people to vehicle safety is higher and higher, and energy saving, emission reduction the high efficiency in view of automobile inertial, People to using automobile inertial can desire it is also more more and more intense, therefore people to automobile due to power is unsatisfactory for or is run out of steam The steering system of initiation, braking system, the failure of security classes power device and the security risk generated, especially to not having safety The utilization of the inertia energy of premise increasingly causes anxiety, or even generates fear, therefore fundamentally solves automobile steering system, braking System, security classes power device are short of power or run out of steam problem, thoroughly eliminate thus bring security risk, promote automobile Driving safety problem is also more and more prominent.
Therefore it proposes to propose the security reliability of present automobile steering system, braking system and security classes power device It rises, makes the automobile of traveling in the power source failure of steering system, braking system, security classes power device, driver is in automobile Normal use steering system, braking system, security classes power device are remained to before stopping traveling.
Summary of the invention
In view of the above-mentioned problems, the technical scheme is that a kind of power device for automotive safety lifting system, such as Shown in Fig. 1.Suitable for automobile and all motor vehicles, it is intended to by promoting steering system, braking system in vehicle traveling process The safety of running car is promoted with the reliability of security classes power device and validity, while being safe utilization automobile inertial Premise can be provided.
The security improvement system includes: in addition to what automobile had been provided with uses for steering system, braking system and security classes Outside the main power source 101 of electric installation, reverse driven power source 102, it is additionally arranged emergency power supply 103, ternary control device 108, is also wrapped Include steering power device 106, backward boost 109, vehicle speed sensor 104, other security information sensors 105 and dangerous Warning device 107 etc..Automobile is overcome in traveling because main power source 101, reverse driven power source 102 are not able to satisfy automotive steering System, braking system and security classes power device power demand and cause automobile to there are problems that security risk under steam.
The security improvement system operation programs:
Power is provided from main power source 101 to steering power device 106, backward boost 109 when automobile normal running, It is that steering system and braking system provide the form of power that power, which provides form and dynamic Control mode and automobile to have had, It is consistent with control mode, and guarantee the electricity consumption needs of security classes power device.
When main power source 101 is not able to satisfy requirement, reverse driven power source 102 is automatically switched to, by reverse driven power source 102 continue to provide power to steering power device 106, backward boost 109, and guarantee that the electricity consumption of security classes power device needs It wants.
When main power source 101, reverse driven power source 102 are not able to satisfy requirement, ternary control device 108 is according to right The information of three 101,102,103 power output Monitoring Indexes of power source is passed according to vehicle speed sensor 104, other security information The information that sensor 105 monitors, it is automatic to start emergency power supply 103, from emergency power supply 103 continue to steering power device 106, Backward boost 109 provides power, and guarantees the electricity consumption needs of security classes power device.
When main power source 101, reverse driven power source 102 are not able to satisfy requirement, and ternary control device 108 also because When failure is without being able to satisfy requirement, relay contact K1 closure is led directly to, emergency power supply 103 will be filled directly for steering power It sets 106, backward boost 109 and security classes power device provides electric power.
When starting emergency power supply 103 and its in operational process, if main power source 101 restores normal automatically, it is able to satisfy The power needs of steering power device 106, backward boost 109, and can guarantee the needs of security classes power device, ternary control Device 108 processed will automatically cut off emergency power supply 103, from main power source 101 to steering power device 106, backward boost 109 provide power, and guarantee the electricity consumption needs of security classes power device.
The system is only when automobile ignition switch is connected, and ignition switch contact K0 closure, emergency power supply 103 could be to Ternary control device 108 provides electric power, only when straight-through relay is connected, leads directly to relay contact K1 closure, emergency power Source 103 directly could provide electric power to steering power device 106, backward boost 109 and security classes power device.
Main power source 101 in the system can be internal combustion engine, can be electric power, is also possible to hybrid power.To turn to The main power source 101 that system, braking system and security classes power device provide power can be dynamic with the driving of driving running car Power source shares, and is also possible to the spcific power source being separately provided.
Main power source 101 is if the spcific power source being separately provided, then it both can be used alone, it can also be with driving Power source is used alternatingly.
Reverse driven power source 102 in the system can be the inverse machine power for driving internal combustion engine output, can be inverse drive power generation Machine or the electric power exported against drive motor generator, while can directly utilize inverse drive internal combustion engine or inverse drive generator or electronic against drive Generator carries out auxiliary speed limit.
While the car is driving main power source 101 and reverse driven power source 102 can replace to steering power device 106, Backward boost 109 and security classes power device provide power, and remaining electric energy is stored.
Reverse driven power source 102 do not have to steering power device 106, backward boost 109 export machine power or When the ability of electric power, and main power source 101 has been unable to meet steering power device 106, backward boost 109 and peace at this time The requirement of universal class power device, then ternary control device 108 can directly initiate emergency power supply 103.
Emergency power supply 103 in the system can be battery pack, should at least there is two pieces or two groups of mutually independent batteries It composes in parallel, wherein battery A is vehicle-mounted common battery, and battery B is vehicle-mounted emergency power battery；It is also possible to independent with battery The assembled battery of A function and battery B function.It is in parallel by a relay contact K2 one direction between battery A and battery B.Electricity Relay contact K2 is closed when pond B is normal, and relay contact K2 is disconnected when abnormal, avoids breaking down or damaging in battery B When, battery A, main power source 101 and reverse driven power source 102 or the other electricity driven by main power source 101 and reverse driven power source 102 Continue to charge to battery B in source.The electric current at the end battery A can flow to the end battery B, and the electric current at the end battery B cannot flow to battery A End.When main power source 101 and reverse driven power source 102 are charged to battery A, it can also charge to battery B, battery B is only meeting an urgent need When power outward, and can power outward jointly with battery B when battery A is normal.
By battery A, main power source 101 and reverse driven power source 102 or by main power source 101 and inverse drive when automobile normal running Other power supplys that power source 102 drives are powered to security classes power device and other power devices.
Main power source 101 and reverse driven power source 102 be not able to satisfy steering power device 106, backward boost 109 with When the requirement of security classes power device, battery B can guarantee that automobile before stopping traveling, turns in emergency power supply 103 Power device 106, backward boost 109 and security classes power device being capable of normal uses.
Ternary control device 108 has the function of monitoring management in the system: to the power of three power sources 101,102,103 Output-index is monitored management, is monitored management to automobile driving speed by vehicle speed sensor 104, passes through other safety Information sensor 105 is monitored management to other security information.Determined whether to start emergency power supply according to monitoring result 103.It for main power source 101 and reverse driven power source 102 is shared with the power source of driving running car, the information monitored It can apply each other.
Ternary control device 108 has information communication function in the system: according to monitoring result, when there is non-safety information When, information is transmitted to dangerous warning device 107, realizes warning function.The failure that main power source 101 occurs is carried out automatic extensive Multiple or prompt.
Ternary control device 108 has control function in the system: when main power source 101 is not able to satisfy requirement, Reverse driven power source 102 is automatically switched to, is provided from reverse driven power source 102 to steering power device 106, backward boost 109 Power, and guarantee the electricity consumption needs of security classes power device.
When main power source 101 is not able to satisfy requirement, reverse driven power source 102 can not meet requirement, starting Emergency power supply 103.Emergency power supply 103 passes through ternary control device 108 to steering power device 106, backward boost 109 and security classes power device provide electric power.
It is not able to satisfy requirement in main power source 101, reverse driven power source 102, and ternary control device 108 also goes out When showing failure or not being able to satisfy requirement, ternary control device 108 should be able to issue information, obtain straight-through relay electric, lead directly to Relay contact K1 closure, emergency power supply 103 are directly used to steering power device 106, backward boost 109 and security classes Electric installation provides electric power.
When starting emergency power supply 103 and its in operational process, if main power source 101 restores normally, to be able to satisfy vapour The power of vehicle steering power device 106, backward boost 109 and security classes power device needs, then automatically switches to actively Power source 101 drives steering power device 106, backward boost 109 by main power source 101, and guarantees security classes power device Electricity consumption need, while emergency power supply 103 is automatically closed.
The function of dangerous warning device 107 is in the system: the abnormal information that ternary control device 108 is monitored It issues and alarms to operator.
To the automobile using the system, on the basis of former vehicle dangerous alarming technical scheme, according to automobile difference purposes And different type, the item number of dangerous warning message can increase or decrease.
Increase alarm when emergency power supply 103 is not able to satisfy requirement, especially battery B is not able to satisfy requirement When alarm.Increase alarm when ternary control device 108 is not able to satisfy requirement.
While the car is driving, it when main power source 101 and reverse driven power source 102 are not able to satisfy requirement, issues Vehicle should be kept to the side to stop by the sending prompt operator of alarm, this alarm in time, on-call maintenance, while start emergency power supply automatically 103。
To the abnormal information that ternary control device 108 monitors, have an impact to vehicle safety travel, but former vehicle is uneasy Do not have in full alarming technical scheme, gives and increase.
Ternary control device 108, dangerous warning device 107 and full-vehicle control device can be three's independence in the system , it can also partially merge or be completely integrated and be integrated, the respective data information of three and analog quantity information can be applied each other.
Whether the component that other security information sensors 105 refer to vehicle safety travel in the system can work normally Information sensor.The component being related to includes: Brake lamp, turn signal, danger alarm lamp, loudspeaker, parking braking, anti-lock dress It sets, air bag, drive the motor travelled, internal combustion engine, retarder, the glider of driving traveling etc..
Steering power device 106 in the system specifically includes that the electric-controlled hydraulic steering pump being driven by electricity, steering motor It further include electromechanical transformation and transmission mechanism proposed by the present invention Deng, oil-engine driven hydraulic steering pump, emergency motor etc..
Backward boost 109 in the system specifically includes that the electric air pump being driven by electricity, electric hydraulic pump, electronic Vacuum pump, braking motor etc., oil-engine driven brake compressor, brake fluid press pump, brake vacuum source, emergency motor etc., are also wrapped Include electromechanical transformation and transmission mechanism proposed by the present invention.
Security classes power device refers to that not being able to satisfy use in main power source 101, reverse driven power source 102 etc. wants in the system When asking, be related to before automobile in traveling stops and after stopping vehicle safety, must guarantee that it remains to those of normal use use Electric installation, comprising: headlamp, Brake lamp, turn signal, danger alarm lamp, electric meter in driver's cabin, loudspeaker, antilock device, Air bag, automatic safety door etc..
The security improvement system is suitable for electrodynamic type, electromagnetic type, electric boosted formula, the electric-controlled hydraulic booster type being driven by electricity Steering system and the electrodynamic type being driven by electricity, electromagnetic type, motor-driven pneumatic type, fluid pressure type, vacuum type braking system；It is applicable in In oil-engine driven hydraulic power assisted steering system and oil-engine driven pneumatic type, fluid pressure type, vacuum type braking system；It is suitable For being driven by electricity steering power device, internal combustion engine driving backward boost or internal combustion engine driving steering power device, electric power The steering power source of backward boost is driven to use the steering system and braking system of different dynamic form with brake power source.
The beneficial effects of the invention are as follows solve automobile during traveling due to steering system, braking system and safety Class power device provides the main power source 101 of power and reverse driven power source 102 is not able to satisfy requirement, and automobile is made to advance In there are problems that security risk, using system security automobile steering system, braking system and security classes power device Reliability, validity can provide premise for safe utilization automobile inertial.
Detailed description of the invention
Fig. 1 is the power apparatus plan schematic diagram that the present invention is used for automotive safety lifting system
Fig. 2 is 1 technical solution schematic diagram of the embodiment of the present invention
Fig. 3 is 2 technical solution schematic diagram 1 of the embodiment of the present invention
Fig. 3 A is 2 technical solution schematic diagram 2 of the embodiment of the present invention
Fig. 4 is 2 steering power device of embodiment, 106 scheme, 1 structural schematic diagram
Fig. 5 is 2 steering power device of embodiment, 106 scheme, 2 structural schematic diagram
Fig. 6 is 2 steering power device of embodiment, 106 scheme, 3 structural schematic diagram
Fig. 7 is 2 steering power device of embodiment, 106 scheme, 4 structural schematic diagram
Fig. 8 is that embodiment 2 turns to and the emergency motor of backward boost 19 and backing vacuum pump attachment structure schematic diagram
Fig. 9 is control program of the 1 ternary control device 108 of embodiment to emergency power supply 103
Figure 10 is control program of the 2 ternary control device 108 of embodiment to emergency power supply 103
Specific embodiment
Embodiment 1
Technical solution shown in Fig. 2 is that electrodynamic type, electromagnetic type, electric boosted formula, the electric-controlled hydraulic suitable for being driven by electricity help Power formula steering system and the electrodynamic type being driven by electricity, electromagnetic type, motor-driven pneumatic type, fluid pressure type, vacuum type braking system Security improvement system.
The security improvement system include: as main power source 101 be by power battery pack or fuel cell unit or power generation The electric power of the offers such as machine or hybrid power, what it is as reverse driven power source 102 is that inverse drive generator or the inverse motor generator that drives export Electric power and emergency power supply 103；It further include ternary control device 108, dangerous warning device 107, vehicle speed sensor 104, other security information sensors 105, steering power device 106 and backward boost 109 etc..
The security improvement system operation programs are:
Ignition switch contact K0 is closed after automobile normally starts, and is started emergency power supply 103 for ternary control device 108 and is done It is good to prepare.It is provided at this time from main power source 101 to steering power device 106, backward boost 109 and security classes power device Electric power is also the charging of emergency power supply 103.
When main power source 101 is not able to satisfy requirement, reverse driven power source 102 is automatically switched to, by reverse driven power source 102 provide electric power to steering power device 106, backward boost 109 and security classes power device.Reverse driven power source 102 is rich Abundant electric power is that emergency power supply 103 charges first, is charged again to main power source 101 later.
It is not able to satisfy steering power device 106, backward boost 109 in main power source 101 and reverse driven power source 102 And security classes power device requirement when, ternary control device 108 start emergency power supply 103, by emergency power supply 103 In battery B or battery B and battery A by ternary control device 108 to steering power device 106, backward boost 109 with Security classes power device provides electric power.
Main power source 101 and reverse driven power source 102 are not able to satisfy requirement, ternary control device 108 also occurs When failure is not able to satisfy requirement, relay contact K1 closure is led directly to, emergency power supply 103 will be directly to steering power device 106, backward boost 109 and security classes power device provide electric power.
When starting emergency power supply 103 and in operational process, if main power source 101 restores normally, to be able to satisfy steering Power device 106, backward boost 109 power need, then automatically switch to main power source 101, from main power source 101 to Steering power device 106, backward boost 109 and security classes power device provide electric power, while emergency power is automatically closed Source 103.
Do not have in reverse driven power source 102 or electricity can not be exported to steering power device 106, backward boost 109 When power, and main power source 101 has been unable to meet steering power device 106, backward boost 109 and security classes electricity consumption at this time The requirement of device, then ternary control device 108 can directly initiate emergency power supply 103.
The system is only when automobile ignition switch is connected, and ignition switch contact K0 closure, emergency power supply 103 could be to 108 input electric power of ternary control device leads directly to relay contact K1 closure, emergency power only when straight-through relay is connected It source 103 could be directly to steering power device 106, backward boost 109 and security classes power device input electric power.
Emergency power supply 103 can be battery pack in the system, should at least have two pieces or two groups of mutually independent batteries simultaneously Connection composition, wherein battery A is vehicle-mounted common battery, and battery B is vehicle-mounted emergency power battery, is also possible to independently have battery A The assembled battery of function and battery B function, it is in parallel by a relay contact K2 one direction between battery A and battery B.Battery The electric current at the end A can flow to the end battery B, and the electric current at the end battery B cannot flow to the end battery A.Battery B is only outside in emergency Power supply, and can power outward jointly with battery B when battery A is normal.
From battery A, main power source 101 and reverse driven power source 102 to security classes power device and its when automobile normal running He powers at power device, and main power source 101 and reverse driven power source 102 are meeting steering power device 106, backward boost 109 with when needing of security classes power device, can charge to emergency power supply 103；It reverse driven power source 102 can also be to actively Power source 101 is charged, but preferentially to be charged to emergency power supply 103.It is not able to satisfy in main power source 101 and reverse driven power source 102 When the requirement of steering power device 106, backward boost 109 and security classes power device, electricity in emergency power supply 103 Pond B can guarantee automobile stop traveling before, steering power device 106, backward boost 109 and security classes power device energy Enough normal uses.
Whether the component that other security information sensors 105 refer to vehicle safety travel in the system can work normally Information sensor.The component being related to includes: Brake lamp, turn signal, danger alarm lamp, loudspeaker, parking braking, anti-lock dress It sets, motor, retarder, the glider etc. of air bag, driving traveling.
Power device 106 is turned in the system and backward boost 109 is by being driven by electricity.Three power sources to turn What is inputted to power device 106 and backward boost 109 is all electric power.
Steering power device 106 in the system mainly by automatically controlled steering hydraulic pump or steering motor with it is proposed by the present invention Other connectors composition；Backward boost 109 is mainly by electric air pump or electric hydraulic pump or electric vacuum pump or braking electricity Machine and other connectors proposed by the present invention form.
The function of dangerous warning device 107 is in the system: the abnormal information that ternary control device 108 is monitored It issues and alarms to operator.
To the automobile using the system, on the basis of former vehicle dangerous alarming technical scheme, according to automobile difference purposes And different type, the item number of dangerous warning message can increase or decrease.
Increase alarm when emergency power supply 103 is not able to satisfy requirement, especially battery B is not able to satisfy requirement When alarm.Increase alarm when ternary control device 108 is not able to satisfy requirement.
For the steering system and braking system being driven by electricity, while the car is driving, exported as main power source 101 Electric power and the inverse drive generator or the inverse electric power for driving motor generator output as reverse driven power source 102, when their outputs When voltage and current is below setting value, alarm is issued, vehicle should be kept to the side to stop by the sending prompt operator of this alarm in time, and Shi Weixiu, while automatic starting emergency power supply 103.
To the abnormal information that ternary control device 108 monitors, have an impact to vehicle safety travel, but former vehicle is uneasy Do not have in full alarming technical scheme, gives and increase.
Ternary control device 108 has the function of monitoring management in the system: can output voltage to main power source 101, The states such as output electric current, pressure,volume and temperature are monitored management, to shapes such as output voltage, the output electric currents in reverse driven power source 102 State is monitored management, is monitored management to the voltage and state of battery A and battery B in emergency power supply 103, opposite direction turns The voltage and current inputted to power device 106, backward boost 109 is monitored management, right by vehicle speed sensor 104 Speed is monitored management, management is monitored to other security information by other security information sensors 105, according to monitoring As a result determine whether to start emergency power supply 103.
Ternary control device 108 has information communication function in the system: according to monitoring result, when there is non-safety information When, information is transmitted to dangerous warning device 107, realizes warning function；The failure that main power source (101) occur is carried out automatic Restore or prompts.
Ternary control device 108 in the system has control function: not being able to satisfy requirement in main power source 101 When, automatically switch to reverse driven power source 102, from reverse driven power source 102 to steering power device 106, backward boost 109 with Security classes power device provides electric power.
When main power source 101 and reverse driven power source 102 are not able to satisfy requirement, start emergency power supply 103, answer Anxious power source 103 is by ternary control device 108 to steering power device 106, backward boost 109 and security classes Denso Offer electric power is provided.
In these cases if when ternary control device 108 is not able to satisfy requirement because breaking down, ternary control Device 108 should be able to issue information, make straight-through relay contact K1 closure, emergency power supply 103 is directly to steering power device 106, backward boost 109 and security classes power device provide electric power.
When starting emergency power supply 103 and in operational process, if main power source 101 restores normal automatically, it is able to satisfy The power of automobile steering power device 106, backward boost 109 and security classes power device needs, then automatically switches to master Power source 101 is provided from main power source 101 to steering power device 106, backward boost 109 and security classes power device Electric power, while emergency power supply 103 is automatically closed.
The ternary control device 108 is as shown in Figure 9 to the control program of emergency power supply 103.
Keep former vehicle to the control program of steering power device 106, backward boost 109 and security classes power device, Increase by one group and the matched emergency power battery B of common battery A, collectively constitutes emergency power supply 103 with common battery A.Battery A Unidirectional parallel circuit is formed by a single-way switch 40 and a relay contact 39 between battery B, when battery B state is normal Relay contact 39 is closed, and otherwise relay contact 39 disconnects, and electric current can only flow to the end battery B from the end battery A.Main power source 101, it when reverse driven power source 102 is charged by DC/DC pressure regulator to battery A, can also charge to battery B, reverse driven power source 102 Rich electricity can also charge to after 103 charging complete of emergency power supply to main power source 101.Battery B is only meeting an urgent need When power outward, and can power outward jointly with battery B when battery A is normal.
As long as ignition switch is at the position ON when automobile is normal, ignition switch contact 35 and 37 is closed, and is controlled for ternary Device 108 starts emergency power supply 103 and is ready, at this time from main power source 101 to steering power device 106, brake power Device 109 and security classes power device provide electric power.
When main power source 101 breaks down or output voltage is not able to satisfy requirement, reverse driven power is automatically switched to Source 102, relay contact 36 be closed, from reverse driven power source 102 to steering power device 106, backward boost 109 and safety Class power device provides electric power.
When main power source 101 and reverse driven power source 102 are not able to satisfy requirement, i.e. vehicle velocity V at this timeVehicleGreater than setting Value, and the output voltage V of main power source 101Dynamic electricityLess than setting value, the output voltage V in reverse driven power source 102Power generationAgain smaller than setting When value, corresponding relay contact 41,31,32 is closed, and control circuit is connected, and emergency relay contact 34 is closed, automatic to start Emergency power supply 103, from battery B or battery B and battery A to steering power device 106, backward boost 109 and security classes Power device provides electric power.
In vehicle velocity VVehicleWhen being greater than the set value, although main power source 101 and reverse driven power source 102 are not all alarmed, Steering power device 106, backward boost 109 power supply line on the output voltage Vm of M point be but lower than setting value, then phase The relay contact 43 answered is closed, and control circuit is connected, and emergency relay contact 34 is closed, automatic to start emergency power supply 103, Electricity is provided from battery B or battery B and battery A to steering power device 106, backward boost 109 and security classes power device Power.
In vehicle velocity VVehicleIt is greater than the set value, and the output voltage V of main power source 101Dynamic electricityLess than setting value, reverse driven power source 102 Output voltage VPower generationWhen again smaller than setting value, P point, N point are but exported without voltage and current on output circuit, i.e., ternary controls Device 108 failure be not able to satisfy requirement, then lead directly to relay contact 42 be closed, emergency power supply 103 directly to turn Electric power is provided to power device 106, backward boost 109 and security classes power device.
When starting emergency power supply 103 and in operational process, if main power source 101 restores normal automatically, i.e., actively The output voltage V in power source 101Dynamic electricityWhen being greater than the set value, be able to satisfy automobile steering power device 106, backward boost 109 with The electric power of security classes power device needs, then relay contact 31 disengages automatically, and control circuit disconnects, relay contact 34 of meeting an urgent need It disengages, cuts off 103 circuit of emergency power supply, automatically restore to from main power source 101 to steering power device 106, brake power Device 109 and security classes power device provide electric power.
If emergency power supply 103 and the voltage of main power source 101, reverse driven power source 102 do not match that, pass through DC/ DC pressure regulator 30,33,38 carries out pressure regulation, and the voltage of each link in circuit is made to match.If emergency power supply 103 and main power source 101, the voltage in reverse driven power source 102 matches, then cancels DC/DC pressure regulator 30,33,38.
Ternary control device 108, dangerous warning device 107 and full-vehicle control device can be three's independence in the system , it can also partially merge or be completely integrated and be integrated, the respective data information of three and analog quantity information can be applied each other.
Embodiment 2
Technical solution shown in Fig. 3 and Fig. 3 A is to be suitable for oil-engine driven hydraulic power assisted steering system and internal combustion engine The pneumatic type of driving, fluid pressure type, vacuum type braking system security improvement system.Wherein technical solution shown in Fig. 3 is to turn to move Power device 106 with backward boost 109 be respectively it is independent, technical solution shown in Fig. 3 A is by steering power device and braking Power device is combined into steering and backward boost 19.
The security improvement system include: as main power source 101 be internal combustion engine, what it is as reverse driven power source 102 is inverse The machine power and emergency power supply 103 for driving internal combustion engine output, further include generator 10, the vehicle driven by main power source 101 Fast sensor 104, speed probe 13, other security information sensors 105, dangerous warning device 107, ternary control device 108, starter 15, further include steering power device 106, backward boost 109 or turn to backward boost 19, vacuum Check valve 20 and 21 etc..
The security improvement system operation programs are:
After automobile normally starts, K0 closure in ignition switch contact starts emergency power supply 103 for ternary control device 108 It is ready.At this time by directly or indirectly driving steering power device 106, backward boost 109 or the steering of main power source 101 With backward boost 19, electric power is provided for power device on vehicle by battery A in generator 10 and emergency power supply 103.
When main power source 101 is non-to break down because of electric reason or is flame-out, automobile passes through in the case where reverse driven power source 102 acts on I. C. engine crankshaft drives steering power device 106, backward boost 109 or turns to and backward boost 19, holding automobile Steering system and braking system work normally, and guarantee the electricity consumption needs of security classes power device.
When 101 revolving speed of main power source and the revolving speed in reverse driven power source 102 are lower than setting value, i.e., I. C. engine crankshaft exports Revolving speed have been unable to meet steering power device 106, backward boost 109 or turn to the needs of backward boost 19, three The starting emergency power supply 103 automatically of first control device 108, to steering power device 106, backward boost 109 or turn to Backward boost 19 provides electric power, and guarantees the electricity consumption needs of security classes power device.The electric power passes through steering power device 106, backward boost 109 or the electromechanical transformation mechanism of steering and backward boost 19, generation meet steering system and system The revolving speed that dynamic system needs, guarantee automobile before stopping traveling, steering power device 106, backward boost 109 or turn to Backward boost 19 can be worked normally with security classes power device.
When main power source 101 without electricity because breaking down or stopping working, ignition switch is disconnected because of power loss, contact K0；Or because The failure of ternary control device 108 is not when being able to satisfy requirement, and main power source 101 and reverse driven power source 102 is defeated Revolving speed is lower than setting value out, then straight-through relay obtains electric, leads directly to relay contact K1 closure, and emergency power supply 103 is directly to turn It powers to power device 106, backward boost 109 or steering with backward boost 19, and guarantees security classes power device Electricity consumption need.
Automobile in traveling after main power source 101 is flame-out, if automobile with certain speed coast, and as master When the revolving speed in power source 101 and reverse driven power source 102 is zero, ternary control device 108 is from trend starter 15 and ignition system Electric power is provided, it is automatic to start main power source 101.If starting successfully, main power source 101 exports revolving speed and meets steering power device 106, backward boost 109 or the needs of steering and backward boost 19, ternary control device 108 will automatically cut off emergency Power source 103 is driven steering power device 106, backward boost 109 by main power source 101 or is turned to and brake power dress 19 are set, and guarantees the electricity consumption needs of security classes power device.If starting is failed, 103 start operating performance of emergency power supply is kept Operation.
When automobile reverse driven power source 102 and I. C. engine crankshaft be in discrete state, reverse driven power source 102 then cannot to turn Machine power is exported to power device 106, backward boost 109.If main power source 101 breaks down or is not able to satisfy at this time The requirement of steering power device 106, backward boost 109 and security classes power device, then ternary control device 108 can Directly initiate emergency power supply 103.
The system is only when automobile ignition switch is connected, and ignition switch contact K0 closure, emergency power supply 103 could be to 108 input electric power of ternary control device leads directly to relay contact K1 closure, emergency power only when straight-through relay is connected It source 103 could be directly to steering power device 106, backward boost 109 and security classes power device input electric power.
Emergency power supply 103 can be battery pack in the system, should at least have two pieces or two groups of mutually independent batteries simultaneously Connection composition, wherein battery A is vehicle-mounted common battery, and battery B is vehicle-mounted emergency power battery, is also possible to independently have battery A The assembled battery of function and battery B function, it is in parallel by a relay contact K2 one direction between battery A and battery B.Battery The electric current at the end A can flow to the end battery B, and the electric current at the end battery B cannot flow to the end battery A.Battery B is only outside in emergency Power supply, and can power outward jointly with battery B when battery A is normal.
It powers when automobile normal running from battery A, generator 10 to security classes power device and other power devices, power generation The rich generated energy of machine 10 can charge to emergency power supply 103.It is not able to satisfy in main power source 101 and reverse driven power source 102 When steering power device 106, backward boost 109 or steering and the requirement of backward boost 19, emergency power supply Battery B can guarantee automobile before stopping traveling in 103, and steering power device 106, backward boost 109 and security classes are used Electric installation can work normally.
Whether the component that other security information sensors 105 refer to vehicle safety travel in the system can work normally Information sensor.The component being related to includes: Brake lamp, turn signal, danger alarm lamp, loudspeaker, parking braking, anti-lock dress It sets, internal combustion engine, retarder, the glider etc. of air bag, driving traveling.
Power device 106, backward boost 109 or steering are turned in the system and backward boost 19 is all by leading What power source 101 drove.Main element in steering power device 106 is the steering hydraulic pump of the driving of main power source 101, emergency Motor and other connectors proposed by the present invention composition；Main element in backward boost 109 is that main power source 101 drives Brake compressor brake fluid press pump or brake vacuum pump, emergency motor and other connectors proposed by the present invention composition；It turns to Main element with backward boost 19 be main power source 101 drive steering hydraulic pump, emergency motor, backing vacuum pump and Other connectors composition proposed by the present invention.
There are several types of technical solutions for steering power device 106 in the system:
It is illustrated in figure 4 106 scheme of steering power device, 1 structural schematic diagram of the driving of main power source 101, wherein answering urgent telegram Machine 70 and steering hydraulic pump 71 are aspectant connection structure.The program is by internal combustion engine belt wheel 50, belt 51, steering hydraulic pump band The groups such as wheel 52, drive sleeve 53, freewheel clutch 54, freewheel clutch 55, emergency motor 70, steering hydraulic pump 71 and connector 56 At wherein emergency motor 70 and steering hydraulic pump 71 are connected by connector 56, freewheel clutch 54 and freewheel clutch 55 are logical The connection of drive sleeve 53 is crossed, steering hydraulic pump belt wheel 52 and freewheel clutch 55 are connected.
Main power source 101 is surmounted by internal combustion engine belt wheel 50, belt 51, the drive of steering hydraulic pump belt wheel 52 when normal work The outer ring of clutch 55, inner ring, drive sleeve 53 and steering hydraulic pump 71 input shaft rotate together, steering hydraulic pump 71 works； 54 outer ring of freewheel clutch is with rotation simultaneously, and inner ring does not turn, therefore motor 70 of meeting an urgent need does not turn.When main power source 101 occurs Failure is flame-out, and when main power source 101 and the revolving speed in reverse driven power source 102 are lower than setting value, ternary control device 108 starts Emergency power supply 103 is powered to emergency motor 70, and emergency motor 70 operates, and drives 54 inner ring of freewheel clutch, outer ring, drive sleeve 53 and the rotation of 71 input shaft of steering hydraulic pump, steering hydraulic pump 71 works on；55 inner ring of freewheel clutch rotates at this time, and outer Circle does not turn, therefore main power source 101 is not driven torque effect.
It is illustrated in figure 5 106 scheme of steering power device, 2 structural schematic diagram of the driving of main power source 101, wherein answering urgent telegram Machine 70 and steering hydraulic pump 71 are the connection structure being driven by belt.The program is by internal combustion engine belt wheel 50, belt 51, steering liquid Press pump belt wheel 52, steering hydraulic pump belt wheel 57, axis 58, belt 59, electrical machine belt pulley 60, freewheel clutch 54, freewheel clutch 55, The emergency composition such as motor 70 and steering hydraulic pump 71.Wherein emergency motor 70 is connected with electrical machine belt pulley 60 by freewheel clutch 54 It connects, steering hydraulic pump 71 is connect with steering hydraulic pump belt wheel 52 by freewheel clutch 55, axis 58 and steering hydraulic pump belt wheel 57 And steering hydraulic pump 71 is connected.
Main power source 101 is driven super by internal combustion engine belt wheel 50, belt 51, steering hydraulic pump belt wheel 52 when normal work More 55 outer ring of clutch, inner ring and axis 58 rotate 71 input shaft of steering hydraulic pump, and steering hydraulic pump 71 works.It turns to simultaneously 71 input shaft of hydraulic pump also drives steering hydraulic pump belt wheel 57 to rotate, and makes meet an urgent need electrical machine belt pulley 60, overdrive clutch by belt 59 The rotation of 54 outer ring of device, but inner ring does not turn, therefore motor 70 of meeting an urgent need does not rotate.When main power source 101 breaks down or stops working and main When the revolving speed in power source 101 and reverse driven power source 102 is lower than setting value, ternary control device 108 start emergency power supply 103 to Motor 70 of meeting an urgent need is powered.Motor 70 of meeting an urgent need operates, and 54 inner ring of freewheel clutch, outer ring and emergency electrical machine belt pulley 60 is driven to rotate, Steering hydraulic pump belt wheel 57, axis 58 and the rotation of 71 input shaft of steering hydraulic pump, steering hydraulic pump 71 is driven to continue by belt 59 Work, 55 inner ring of freewheel clutch is rotated with axis 58 at this time, but outer ring and steering hydraulic pump belt wheel 52 do not turn, therefore main power source 101 output shafts are not subject to torque.
It is illustrated in figure 6 106 scheme of steering power device, 3 structural schematic diagram of the driving of main power source 101, wherein turning to liquid Press pump 71 is the connection structure of double projecting shafts.The program by internal combustion engine belt wheel 50, belt 51, steering hydraulic pump belt wheel 52, surmount The compositions such as clutch 54, freewheel clutch 55, connector 61, emergency motor 70, steering hydraulic pump 71 and drive sleeve 62, transfer There is double output shaft to hydraulic pump 71, main power source 101 and emergency motor 70 can drive steering hydraulic pump 71 from both ends respectively.It answers Urgent telegram machine 70 and steering hydraulic pump 71 are connected by connector 61, and emergency motor 70 is connected with drive sleeve 62 by freewheel clutch 54 It connects, drive sleeve 62 and steering hydraulic pump 71 are connected, and steering hydraulic pump 71 and steering hydraulic pump belt wheel 52 pass through freewheel clutch 55 Connection.
Main power source 101 is driven super by internal combustion engine belt wheel 50, belt 51, steering hydraulic pump belt wheel 52 when normal work More 55 outer ring of clutch, inner ring rotate 71 one end input shaft of steering hydraulic pump, and steering hydraulic pump 71 works；Liquid is turned to simultaneously 71 other end input shaft of press pump drives drive sleeve 62, the rotation of 54 outer ring of freewheel clutch, but inner ring does not turn, therefore motor 70 of meeting an urgent need It does not rotate.When the failure of main power source 101 or stop working, and main power source 101 and the revolving speed in reverse driven power source 102 are lower than setting When value, ternary control device 108 starts emergency power supply 103 and powers to emergency motor 70；Motor 70 of meeting an urgent need operates, and drive surmounts 54 inner ring of clutch, outer ring and drive sleeve 62 rotate 71 other end input shaft of steering hydraulic pump, and steering hydraulic pump 71 continues work Make, 55 inner ring of freewheel clutch is rotated with 71 one end input shaft of steering hydraulic pump at this time, but outer ring and steering hydraulic pump belt wheel 52 Do not turn, therefore 101 output shaft of main power source is not subject to torque.
It is illustrated in figure 7 106 scheme of steering power device, 4 structural schematic diagram of the driving of main power source 101, wherein answering urgent telegram Machine 70 and steering hydraulic pump 71 are to pass through gear-driven connection structure.The program is by internal combustion engine belt wheel 50, belt 51, steering liquid Press pump belt wheel 52, freewheel clutch 54, freewheel clutch 55, motor gear 63, connector 64, emergency motor 70, steering hydraulic Pump the composition such as 71 and steering hydraulic pump gear 65；Wherein emergency motor 70 and steering hydraulic pump 71 are connected by connector 64, are answered Urgent telegram machine 70 is connect with emergency motor gear 63 by freewheel clutch 54, and steering hydraulic pump 71 and steering hydraulic pump gear 65 are logical The connection of freewheel clutch 55 is crossed, steering hydraulic pump belt wheel 52 and 55 outer ring of freewheel clutch are connected.
Main power source 101 is driven super by internal combustion engine belt wheel 50, belt 51, steering hydraulic pump belt wheel 52 when normal work More 55 outer ring of clutch, inner ring and steering hydraulic pump gear 65 rotate 71 input shaft of steering hydraulic pump, 71 work of steering hydraulic pump Make；Steering hydraulic pump gear 65 also drives emergency motor gear 63 and the rotation of 54 outer ring of freewheel clutch simultaneously, but inner ring does not turn, Therefore emergency motor 70 does not rotate.When the failure of main power source 101 or flame-out and main power source 101 and reverse driven power source 102 When revolving speed is lower than setting value, ternary control device 108 starts emergency power supply 103 and powers to emergency motor 70, motor 70 of meeting an urgent need Operating drives 54 inner ring of freewheel clutch, outer ring, motor gear 63 and steering hydraulic pump gear 65 to rotate, makes steering hydraulic pump The rotation of 71 input shafts, steering hydraulic pump 71 work on, and 55 inner ring of freewheel clutch rotates at this time, but outer ring and steering hydraulic pump Belt wheel 52 does not turn, therefore 101 output shaft of main power source is not subject to torque.
The emergency motor 70 in steering power device 106 described in Fig. 4, Fig. 5, Fig. 6, Fig. 7 can be conventional motor It can be motor generator, cancel freewheel clutch 54 in Fig. 4, Fig. 5, Fig. 6, Fig. 7 when if motor generator, original is made to surmount company Connecing becomes being directly connected to, while cancelling generator 10.When main power source 101 drives steering hydraulic pump 71 to work under normal circumstances, Also motor generator power generation is driven.When the failure of main power source 101 or stop working, and main power source 101 and reverse driven power source 102 Revolving speed be lower than setting value when, ternary control device 108 start emergency power supply 103 to motor generator power, dynamoelectric and power generation Machine operating drives steering hydraulic pump 71 by motor generator.Due to the presence of freewheel clutch 55, main power source 101 is not subject to The torque of motor generator output.When motor generator and vehicle power supply voltage mismatch, AC/DC or DC/DC tune can be increased Depressor realizes voltage matches.
In steering power device 106 described in Fig. 4, Fig. 5, Fig. 6, Fig. 7 between main power source 101 and steering hydraulic pump 71 Transmission be V belt translation, be also possible to gear drive or chain conveyer as the case may be.
Freewheel clutch 54 and freewheel clutch 55 in steering power device 106 described in Fig. 4, Fig. 5, Fig. 6, Fig. 7 Surmounting transmission agency can also be realized by the engagement of electromagnetic clutch with disconnection.
The technical solution of steering power device 106 in the system is also applied for backward boost 109, will be in scheme Steering hydraulic pump 71 changes brake air compressor or brake fluid press pump or brake vacuum pump into.The backward boost 109 is applicable in In Pneumatic pressure power braking or hydraulic power brake or vacuum-assisted brake automobile.
Steering in the system is to make emergency motor 70 on the basis of steering power device 106 with backward boost 19 At double output shaft, one of output shaft is connect by driving member with steering hydraulic pump 71, another output shaft passes through connector 66 are connected with backing vacuum pump 67, as shown in Figure 8.Steering hydraulic pump work is driven by main power source 101 under normal circumstances, due to There is freewheel clutch, so emergency motor 70 and backing vacuum pump 67 do not work.When main power source 101 break down or it is flame-out, And main power source 101 and 102 revolving speed of reverse driven power source, when being lower than setting value, ternary control device 108 starts emergency power supply 103 It powers to emergency motor 70, drives steering hydraulic pump 71 and backing vacuum pump 67 to work simultaneously by emergency motor 70, keep turning to The needs of system hydraulic booster and braking system vacuum servo；Due to there is freewheel clutch, so I. C. engine crankshaft is not subject to come From the torque of emergency motor 70.Vacuum check valve 20 guarantees that two vacuum lines are mutually indepedent with vacuum check valve 21, does not do mutually It disturbs.
The technology of steering power device 106, backward boost 109, steering and backward boost 19 in the system Scheme is also applied for individually controlling independently of except oil-engine driven steering hydraulic pump, brake pump, brake boost vacuum source Steering power device 106, backward boost 109, turn to backward boost 19.By in above-mentioned technical proposal with internal combustion The transmission mechanism that machine is connected removes, and the overrunning clutch mechanism between steering hydraulic pump 71, brake pump and emergency motor 70 is gone Fall, makes to become to be directly connected to by overdrive clutch connection between them.It is dynamic in the steering power device 106 individually controlled, braking Power device 109, turn to backward boost 19 in steering hydraulic pump, brake pump, brake boosting vacuum pump power output The steering hydraulic pump of Kou Chu and former vehicle, brake pump, brake boost vacuum source power output mouth at install check valve additional respectively, in list Corresponding two groups of pipelines are made to be connected by three-way connection to valve output end.It fails in main power source 101 and reverse driven power source 102 When, starting emergency power supply 103 provides electric power to emergency motor 70, directly drives steering hydraulic pump 71 or straight by emergency motor 70 Connect driving brake pump or directly at the same drive steering hydraulic pump 71 and brake pump.The effect of two or two groups check valves is to make herein Two individually exported or two groups of power are not interfere with each other.
The function of dangerous warning device 107 is in the system: the abnormal information that ternary control device 108 is monitored It issues and alarms to operator.
To the automobile using the system, on the basis of former vehicle dangerous alarming technical scheme, according to automobile difference purposes And different type, the item number of dangerous warning message can increase or decrease.
Increase alarm when emergency power supply 103 is not able to satisfy requirement, especially battery B is not able to satisfy requirement When alarm.Increase alarm when ternary control device 108 is not able to satisfy requirement.
For oil-engine driven steering system and braking system, while the car is driving, as main power source 101 The machine power that internal combustion engine is exported with the inverse drive internal combustion engine as reverse driven power source 102, when the revolving speed of I. C. engine crankshaft output is low When setting value, alarm is issued.The sending of this alarm prompts operator in time vehicle should keep to the side to stop, on-call maintenance, while from Dynamic starting emergency power supply 103.
To the abnormal information that ternary control device 108 monitors, have an impact to vehicle safety travel, but former vehicle is uneasy Do not have in full alarming technical scheme, gives and increase.
Ternary control device 108 has the function of monitoring management in the system: by speed probe 13 to main power source 101 It is monitored management with the output revolving speed in reverse driven power source 102, management is monitored to speed by vehicle speed sensor 104, it is right The voltage and state of battery A and battery B in emergency power supply 103 are monitored management, to the output voltage of generator 10, defeated The states such as electric current are monitored management out, are monitored management to other security information by other security information sensors 105, Determined whether to start emergency power supply 103 according to monitoring result.
Ternary control device 108 has information communication function in the system: according to monitoring result, when there is non-safety information When, information is transmitted to dangerous warning device 107, realizes warning function.Main power source 101 break down when can automatically into Row restarting or prompt.
Ternary control device 108 has control function in the system: all cannot in main power source 101, reverse driven power source 102 When meeting requirement, i.e., the revolving speed that main power source 101 and reverse driven power source 102 export be not able to satisfy steering power device 106, Backward boost 109 or the needs of steering and backward boost 19, start emergency power supply 103, to steering power device 106, backward boost 109 or steering and the offer electric power of backward boost 19, and guarantee the electricity consumption of security classes power device It needs.
Be not able to satisfy requirement in main power source 101, reverse driven power source 102, at the same ternary control device 108 also because When failure is not able to satisfy requirement, information can be issued, makes straight-through relay contact K1 closure, emergency power supply 103 is straight It connects to steering power device 106, backward boost 109 or turns to and backward boost 19 provides electric power, and guarantee safety The electricity consumption of class power device needs.
It is not able to satisfy requirement in main power source 101, reverse driven power source 102, and speed is greater than the set value, and actively When power source 101 and the output revolving speed of reverse driven power source 102 are zero, emergency power supply 103 is from trend automobile starter 15 and igniting System provides electric power, automatic to start main power source 101；If started successfully, ternary control device 108 automatically cuts off emergency power supply 103 circuits to steering power device 106, backward boost 109 or are turned to and backward boost 19 from main power source 101 Power is provided, and guarantees the electricity consumption needs of security classes power device.If starting is failed, emergency power supply 103 is kept to start Operating condition.
Ternary control device 108 is as shown in Figure 10 to the control program of emergency power supply 103 in the system
Former vehicle is kept to steering power device 106, backward boost 109 or is turned to and backward boost 19 and peace The control program of universal class power device increases by one group and the matched emergency power battery B of common battery A, common with common battery A Form emergency power supply 103.
Unidirectional parallel circuit is formed by a single-way switch 40 and a relay contact 39 between battery A and battery B.Electricity Relay contact 39 is closed when pond B is normal, and otherwise relay contact 39 disconnects；Electric current can only flow to the end battery B from the end battery A. It when generator 10 charges to battery A, can also charge to battery B, battery B only powers in emergency outward, and in battery A It can power outward jointly with battery B when normal.
Automobile ignition switch is at the position oFF under normal circumstances, battery main switch contact 88, the touching of starter power master switch Point 87, starting relay contact 86 are all in off-state；Ignition switch battery main switch contact 88 in ACC position is closed； Ignition switch battery main switch contact 88, starter power master switch contact 87, relay contact 90 at the position 0N are closed；Point Fire switch at the position START battery main switch contact 88, starter power master switch contact 87, starting relay contact 86, Relay contact 90 is closed, and starts main power source 101.After main power source 101 starts, ignition switch is restored to the position 0N, at this time Power is provided with backward boost 19 from main power source 101 to steering power device 106, backward boost 109 or steering, Electric power is provided from generator 10 and battery A to vehicle power device, battery B is in stand-by state.
While the car is driving, when main power source 101 breaks down or flame-out, reverse driven power source 102 can not meet When requirement, i.e. vehicle velocity V at this timeVehicleBe greater than the set value and I. C. engine crankshaft output revolving speed n crankshaft be less than setting value, not The needs of steering power device 106, backward boost 109 or steering and backward boost 19 are able to satisfy, then relay touches The closure of point 89 and 82, control circuit are connected, and relay contact 81 is closed, and start emergency power supply 103.In emergency power supply 103 Battery B or battery B and battery A to steering power device 106, backward boost 109 or is turned to by ternary control device 108 Electric power is provided with backward boost 19, and guarantees the electricity consumption needs of security classes power device.
In vehicle velocity VVehicleIt is greater than the set value, and when the revolving speed n crankshaft of I. C. engine crankshaft output is less than setting value, on output circuit P point does not have voltage and electric current to export, i.e. the failure of ternary control device 108 is not able to satisfy requirement, then leads directly to relay Contact 80 is closed, and emergency power supply 103 is directly to steering power device 106, backward boost 109 or steering and brake power Device 19 provides electric power, and guarantees the electricity consumption needs of security classes power device.
In vehicle velocity VVehicleBe greater than the set value, and I. C. engine crankshaft output revolving speed n crankshaft be equal to zero when, relay contact 83 closes It closes, control circuit is closed relay contact 84, time relay contact 85, start-up circuit and the ignition system electricity of starter 15 Road is connected, and ternary control device 108 starts main power source 101 automatically in a short time.If started successfully, i.e. I. C. engine crankshaft When revolving speed n crankshaft is greater than the set value, ternary control device 108 disconnects relay contact 82 automatically, and control circuit disconnects, emergency Relay contact 81 disconnects, and automatically cuts off emergency power supply 103, and the automatic main power source 101 that restores drives steering power device 106, backward boost 109 or steering and backward boost 19, and guarantee the electricity consumption needs of security classes power device.If Starting is failed, keeps 103 start operating performance of emergency power supply.
Ternary control device 108, dangerous warning device 107 and full-vehicle control device can be three's independence in the system , it can also partially merge or be completely integrated and be integrated, the respective data information of three and analog quantity information can be applied each other.
Ternary safety lifting system described in embodiment 1 and embodiment 2, technical solution are also applied for being driven by electricity turning to and move Power device 106, internal combustion engine driving backward boost 109 or internal combustion engine driving steering power device 106 are driven by electricity to brake and move The steering power source of power device 109 and brake power source use the steering system and braking system of different dynamic form.
According to different combining forms, different information is monitored, chooses different unsafe signals, in main power source 101 And reverse driven power source 102 is not able to satisfy steering system and when braking system requirement, starts emergency power supply 103, be corresponding There are the steering system of security risk, braking system and security classes power device provide electric power, guarantee automobile stop traveling before, Steering system, braking system and security classes power device being capable of normal uses.

Claims (14)

1. a kind of power device for automotive safety lifting system, the automotive safety lifting system include: for steering system, Braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering power device (106)；The steering power device (106) includes internal combustion engine belt wheel (50), belt (51), first turn To hydraulic pump belt wheel (52), drive sleeve (53), the first freewheel clutch (54), the second freewheel clutch (55), emergency motor (70), steering hydraulic pump (71) and connector (56)；Wherein emergency motor (70) and steering hydraulic pump (71) pass through connector (56) it is connected, the first freewheel clutch (54) is connect with the second freewheel clutch (55) by drive sleeve (53), and first turns to liquid Press pump belt wheel (52) and the second freewheel clutch (55) are connected；Main power source (101) passes through internal combustion engine belt wheel when normal work (50), belt (51), the first steering hydraulic pump belt wheel (52) drive the outer ring of the second freewheel clutch (55), inner ring, drive sleeve (53) and the input shaft of steering hydraulic pump (71) rotates together, steering hydraulic pump (71) work, while the first freewheel clutch (54) outer ring is with rotation, and inner ring does not turn, therefore emergency motor (70) does not turn；When main power source (101) break down or put out Fire, and when the revolving speed in main power source (101) and reverse driven power source (102) is lower than setting value, ternary control device (108) starting is answered Anxious power source (103) is powered to emergency motor (70), emergency motor (70) operating, drive the first freewheel clutch (54) inner ring, Outer ring, drive sleeve (53) and the rotation of steering hydraulic pump (71) input shaft, steering hydraulic pump (71) work on；Second surmounts at this time The rotation of clutch (55) inner ring, and outer ring does not turn, therefore main power source (101) is not driven torque effect.
2. a kind of power device for automotive safety lifting system, the automotive safety lifting system include: for steering system, Braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering power device (106)；The steering power device (106) includes internal combustion engine belt wheel (50), the first belt (51), One steering hydraulic pump belt wheel (52), the second steering hydraulic pump belt wheel (57), axis (58), the second belt (59), electrical machine belt pulley (60), First freewheel clutch (54), the second freewheel clutch (55), emergency motor (70) and steering hydraulic pump (71)；Wherein answer urgent telegram Machine (70) is connect with electrical machine belt pulley (60) by the first freewheel clutch (54), steering hydraulic pump (71) and the first steering hydraulic pump Belt wheel (52) is connected by the second freewheel clutch (55), axis (58) and the second steering hydraulic pump belt wheel (57) and steering hydraulic pump (71) it is connected；Main power source (101) passes through internal combustion engine belt wheel (50), the first belt (51), the first steering hydraulic when normal work Pump belt wheel (52) drives the second freewheel clutch (55) outer ring, inner ring and axis (58), revolves steering hydraulic pump (71) input shaft Turn, steering hydraulic pump (71) work, while steering hydraulic pump (71) input shaft also drives the second steering hydraulic pump belt wheel (57) to revolve Turn, rotates electrical machine belt pulley (60), the first freewheel clutch (54) outer ring by the second belt (59), but inner ring does not turn, therefore Emergency motor (70) does not rotate；When main power source (101) failure or flame-out and main power source (101) and reverse driven power source (102) when revolving speed is lower than setting value, ternary control device (108) starts emergency power supply (103) and supplies to emergency motor (70) Electricity, emergency motor (70) operating drive the first freewheel clutch (54) inner ring, outer ring and electrical machine belt pulley (60) rotation, by the Two belts (59) drive the second steering hydraulic pump belt wheel (57), axis (58) and the rotation of steering hydraulic pump (71) input shaft, turn to liquid Press pump (71) works on, and the second freewheel clutch (55) inner ring is rotated with axis (58) at this time, but outer ring and the first steering hydraulic Pump belt wheel (52) does not turn, therefore main power source (101) output shaft is not subject to torque.
3. a kind of power device for automotive safety lifting system, the automotive safety lifting system include: for steering system, Braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering power device (106)；The steering power device (106) includes internal combustion engine belt wheel (50), belt (51), first turn To hydraulic pump belt wheel (52), the first freewheel clutch (54), the second freewheel clutch (55), connector (61), emergency motor (70), steering hydraulic pump (71) and drive sleeve (62)；Wherein steering hydraulic pump (71) have dual input shaft, emergency motor (70) with Steering hydraulic pump (71) is connected by connector (61), and emergency motor (70) and drive sleeve (62) pass through the first freewheel clutch (54) it connects, drive sleeve (62) and steering hydraulic pump (71) are connected, steering hydraulic pump (71) and the first steering hydraulic pump belt wheel (52) it is connected by the second freewheel clutch (55)；Main power source (101) passes through internal combustion engine belt wheel (50), belt when normal work (51), the first steering hydraulic pump belt wheel (52) drives the second freewheel clutch (55) outer ring, inner ring, makes steering hydraulic pump (71) The rotation of one end input shaft, steering hydraulic pump (71) work, while steering hydraulic pump (71) other end input shaft drives drive sleeve (62), the first freewheel clutch (54) outer ring rotates, but inner ring does not turn, therefore emergency motor (70) does not rotate；Work as main power source (101) it breaks down or flame-out, and when main power source (101) and the revolving speed in reverse driven power source (102) are lower than setting value, ternary control Device (108) starting emergency power supply (103) processed is powered to emergency motor (70)；Emergency motor (70) operating, drive the first surpass More clutch (54) inner ring, outer ring and drive sleeve (62) rotate steering hydraulic pump (71) other end input shaft, steering hydraulic pump (71) it works on, the second freewheel clutch (55) inner ring is rotated with steering hydraulic pump (71) one end input shaft at this time, but outer ring And first steering hydraulic pump belt wheel (52) do not turn, therefore main power source (101) output shaft is not subject to torque.
4. a kind of power device for automotive safety lifting system, the automotive safety lifting system include: for steering system, Braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering power device (106)；The steering power device (106) includes internal combustion engine belt wheel (50), belt (51), first turn To hydraulic pump belt wheel (52), the first freewheel clutch (54), the second freewheel clutch (55), motor gear (63), connector (64), emergency motor (70), steering hydraulic pump (71) and steering hydraulic pump gear (65)；Wherein emergency motor (70) and steering liquid Press pump (71) is connected by connector (64), and emergency motor (70) and motor gear (63) are connected by the first freewheel clutch (54) It connects, steering hydraulic pump (71) is connect with steering hydraulic pump gear (65), steering hydraulic pump gear (65) and the second freewheel clutch (55) inner ring is connected, and the first steering hydraulic pump belt wheel (52) and the second freewheel clutch (55) outer ring are connected；When normal work Main power source (101) drives second to surmount by internal combustion engine belt wheel (50), belt (51), the first steering hydraulic pump belt wheel (52) Clutch (55) outer ring, inner ring and steering hydraulic pump gear (65) rotate steering hydraulic pump (71) input shaft, steering hydraulic pump (71) it works, while steering hydraulic pump gear (65) also drives motor gear (63) and the first freewheel clutch (54) outer ring to revolve Turn, but inner ring does not turn, therefore emergency motor (70) does not rotate；When main power source (101) break down or stop working and main power source (101) with reverse driven power source (102) revolving speed be lower than setting value when, ternary control device (108) start emergency power supply (103) to Emergency motor (70) power supply, emergency motor (70) operating, drives the first freewheel clutch (54) inner ring, outer ring, motor gear (63) and steering hydraulic pump gear (65) rotates, and rotates steering hydraulic pump (71) input shaft, steering hydraulic pump (71) continues work Make, the second freewheel clutch (55) inner ring rotates at this time, but outer ring and the first steering hydraulic pump belt wheel (52) do not turn, therefore actively Power source (101) output shaft is not subject to torque.
5. power device according to claim 1 or 2 or 3 or 4, it is characterized in that: in steering power device (106), it is described Emergency motor (70) is motor or motor generator；When emergency motor (70) is motor, the power device further includes by leading The generator that power source 101 drives；When emergency motor (70) is motor generator, cancels the first freewheel clutch (54), make Original, which surmounts connection, to be become being directly connected to, while cancelling generator, and main power source (101) drives steering hydraulic pump under normal circumstances (71) when working, motor generator power generation is also driven；It is not able to satisfy steering in main power source (101), reverse driven power source (102) When needing with braking system use, ternary control device (108) starts emergency power supply (103) and powers to motor generator, by Motor generator drives steering hydraulic pump (71) work, and due to the presence of the second freewheel clutch (55), main power source (101) is no Bear the torque of motor generator output；When motor generator and vehicle power supply voltage mismatch, Ac/Dc or Dc/ can be increased Dc pressure regulator matches to realize.
6. power device according to claim 1 or 2 or 3 or 4, it is characterized in that: the first surpassing in steering power device (106) More clutch (54) and the second freewheel clutch (55) surmounts transmission agency by the engagement of electromagnetic clutch and disconnects and carry out reality It is existing.
7. a kind of power device for automotive safety lifting system, the automotive safety lifting system include: for steering system, Braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is backward boost (109)；The backward boost (109) includes internal combustion engine belt wheel (50), belt (51), brake empty Press belt wheel or brake fluid pressure pump belt wheel or brake vacuum pump belt wheel (52), drive sleeve (53), the first freewheel clutch (54), Two freewheel clutches (55), emergency motor (70), brake air compressor or brake fluid press pump or brake vacuum pump and connector (56)； Wherein emergency motor (70) and brake air compressor or brake fluid press pump or brake vacuum pump are connected by connector (56), the first are surpassed More clutch (54) is connect with the second freewheel clutch (55) by drive sleeve (53), brake air compressor belt wheel or brake fluid press pump Belt wheel or brake vacuum pump belt wheel (52) and the second freewheel clutch (55) are connected；Main power source (101) passes through when normal work Internal combustion engine belt wheel (50), belt (51), brake air compressor belt wheel or brake fluid pressure pump belt wheel or brake vacuum pump belt wheel (52) band Outer ring, inner ring, drive sleeve (53) and the brake air compressor or brake fluid press pump or brake vacuum of dynamic second freewheel clutch (55) The input shaft of pump rotates together, brake air compressor or brake fluid press pump or brake vacuum pump work, while the first freewheel clutch (54) outer ring is with rotation, and inner ring does not turn, therefore emergency motor (70) does not turn；When main power source (101) break down or put out Fire, and when the revolving speed in main power source (101) and reverse driven power source (102) is lower than setting value, ternary control device (108) starting is answered Anxious power source (103) is powered to emergency motor (70), emergency motor (70) operating, drive the first freewheel clutch (54) inner ring, Outer ring, drive sleeve (53) and brake air compressor or brake fluid press pump or the rotation of brake vacuum pump input shaft, brake air compressor or system Hydrodynamic press pump or brake vacuum pump work on；The second freewheel clutch (55) inner ring rotates at this time, and outer ring does not turn, therefore main Power source (101) is not driven torque effect.
8. a kind of power device for automotive safety lifting system, the automotive safety lifting system include: for steering system, Braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is backward boost (109)；The backward boost (109) includes internal combustion engine belt wheel (50), the first belt (51), system Dynamic air compressor machine first pulley or brake fluid press pump first pulley or brake vacuum pump first pulley (52), the second band of brake air compressor Wheel or the second belt wheel of brake fluid press pump or brake vacuum pump the second belt wheel (57), axis (58), the second belt (59), electrical machine belt pulley (60), the first freewheel clutch (54), the second freewheel clutch (55), emergency motor (70) and brake air compressor or brake fluid pressure Pump or brake vacuum pump；Wherein emergency motor (70) is connect with electrical machine belt pulley (60) by the first freewheel clutch (54), is braked Air compressor machine or brake fluid press pump or brake vacuum pump and brake air compressor first pulley or brake fluid press pump first pulley or braking Vacuum pump first pulley (52) is connected by the second freewheel clutch (55), axis (58) and brake air compressor or brake fluid press pump or Brake vacuum pumps the second belt wheel (57) and brake air compressor or brake fluid press pump or brake vacuum pump is connected；When normal work actively Power source (101) passes through internal combustion engine belt wheel (50), the first belt (51), brake air compressor first pulley or brake fluid press pump first band Wheel or brake vacuum pump first pulley (52), drive the second freewheel clutch (55) outer ring, inner ring and axis (58), make to brake pneumatics Machine or brake fluid press pump or the rotation of brake vacuum pump input shaft, brake air compressor or brake fluid press pump or brake vacuum pump work, Brake air compressor or brake fluid press pump or brake vacuum pump input shaft also drive brake air compressor or brake fluid press pump or system simultaneously Dynamic the second belt wheel of vacuum pump (57) rotation, makes electrical machine belt pulley (60), the first freewheel clutch (54) outside by the second belt (59) Circle rotation, but inner ring does not turn, therefore emergency motor (70) does not rotate；When main power source (101) break down or stop working and active When the revolving speed in power source (101) and reverse driven power source (102) is lower than setting value, ternary control device (108) starts emergency power supply (103) it powers to emergency motor (70), emergency motor (70) operating drives the first freewheel clutch (54) inner ring, outer ring and electricity Machine belt wheel (60) rotation drives brake air compressor or brake fluid press pump or brake vacuum to pump the second belt wheel by the second belt (59) (57), axis (58) and brake air compressor or brake fluid press pump or the rotation of brake vacuum pump input shaft, brake air compressor or brake fluid Press pump or brake vacuum pump work on, and the second freewheel clutch (55) inner ring is rotated with axis (58) at this time, but outer ring and braking Air compressor machine first pulley or brake fluid press pump first pulley or brake vacuum pump first pulley (52) do not turn, therefore main power source (101) output shaft is not subject to torque.
9. a kind of power device for automotive safety lifting system, the automotive safety lifting system include: for steering system, Braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is backward boost (109)；The backward boost (109) includes internal combustion engine belt wheel (50), belt (51), brake empty Press belt wheel or brake fluid pressure pump belt wheel or brake vacuum pump belt wheel (52), the first freewheel clutch (54), the second overdrive clutch Device (55), connector (61), emergency motor (70), brake air compressor or brake fluid press pump or brake vacuum pump and drive sleeve (62)；Wherein brake air compressor or brake fluid press pump or brake vacuum pump have dual input shaft, meet an urgent need motor (70) and brake empty Press or brake fluid press pump or brake vacuum pump are connected by connector (61), and emergency motor (70) and drive sleeve (62) pass through the One freewheel clutch (54) connection, drive sleeve (62) and brake air compressor or brake fluid press pump or brake vacuum pump are connected, braking Air compressor machine or brake fluid press pump or brake vacuum pump and brake air compressor belt wheel or brake fluid pressure pump belt wheel or brake vacuum pump band (52) are taken turns to connect by the second freewheel clutch (55)；Main power source (101) passes through internal combustion engine belt wheel (50), skin when normal work Band (51), brake air compressor belt wheel or brake fluid pressure pump belt wheel or brake vacuum pump belt wheel (52) drive the second freewheel clutch (55) outer ring, inner ring, make brake air compressor or brake fluid press pump or brake vacuum pump one end input shaft rotation, brake air compressor or Brake fluid press pump or brake vacuum pump work, while brake air compressor or brake fluid press pump or brake vacuum pump other end input shaft Drive sleeve (62), the rotation of the first freewheel clutch (54) outer ring are driven, but inner ring does not turn, therefore emergency motor (70) does not rotate； When main power source (101) failure or stop working, and main power source (101) and the revolving speed in reverse driven power source (102) are lower than setting When value, ternary control device (108) starts emergency power supply (103) and powers to emergency motor (70)；Emergency motor (70) operating, The first freewheel clutch (54) inner ring, outer ring and drive sleeve (62) are driven, keeps brake air compressor or brake fluid press pump or braking true Sky pump other end input shaft rotation, brake air compressor or brake fluid press pump or brake vacuum pump work on, and second surmounts at this time Clutch (55) inner ring pumps the rotation of one end input shaft, but outer ring and braking with brake air compressor or brake fluid press pump or brake vacuum Air compressor machine belt wheel or brake fluid pressure pump belt wheel or brake vacuum pump belt wheel (52) do not turn, therefore main power source (101) output shaft is not Bear torque.
10. a kind of power device for automotive safety lifting system, the automotive safety lifting system includes: for steering system System, braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is backward boost (109)；The backward boost (109) includes internal combustion engine belt wheel (50), belt (51), brake empty Press or brake fluid press pump or brake vacuum pump belt wheel (52), the first freewheel clutch (54), the second freewheel clutch (55), electricity Machine gear (63), connector (64), emergency motor (70), brake air compressor or brake fluid press pump or brake vacuum pump and brake empty Press or brake fluid press pump or brake vacuum pump gear (65)；Wherein emergency motor (70) and brake air compressor or brake fluid press pump Or brake vacuum pump is connected by connector (64), emergency motor (70) and motor gear (63) pass through the first freewheel clutch (54) it connects, brake air compressor or brake fluid press pump or brake vacuum pump and brake air compressor or brake fluid press pump or brake vacuum Pump gear (65) connection, brake air compressor or brake fluid press pump or brake vacuum pump gear (65) and the second freewheel clutch (55) Inner ring is connected, brake air compressor belt wheel or brake fluid pressure pump belt wheel or brake vacuum pump belt wheel (52) and the second freewheel clutch (55) outer ring is connected；When normal work main power source (101) by internal combustion engine belt wheel (50), belt (51), brake air compressor or Brake fluid press pump or brake vacuum pump belt wheel (52), drive the second freewheel clutch (55) outer ring, inner ring and brake air compressor or Brake fluid press pump or brake vacuum pump and brake air compressor or brake fluid press pump or brake vacuum pump gear (65), make to brake pneumatics Machine or brake fluid press pump or the rotation of brake vacuum pump input shaft, brake air compressor or brake fluid press pump or brake vacuum pump work, Brake air compressor or brake fluid press pump or brake vacuum pump and brake air compressor or brake fluid press pump or brake vacuum pump tooth simultaneously It takes turns (65) and also drives motor gear (63) and the rotation of the first freewheel clutch (54) outer ring, but inner ring does not turn, therefore motor of meeting an urgent need (70) it does not rotate；When main power source (101) failure or flame-out and main power source (101) and reverse driven power source (102) revolving speed When lower than setting value, ternary control device (108) starts emergency power supply (103) and powers to emergency motor (70), motor of meeting an urgent need (70) it operates, drives the first freewheel clutch (54) inner ring, outer ring, motor gear (63) and brake air compressor or brake fluid press pump Or brake vacuum pump and brake air compressor or brake fluid press pump or brake vacuum pump gear (65) rotation, make brake air compressor or system Hydrodynamic press pump or the rotation of brake vacuum pump input shaft, brake air compressor or brake fluid press pump or brake vacuum pump work on, this When the second freewheel clutch (55) inner ring rotate, but outer ring and brake air compressor or brake fluid press pump or brake vacuum pump belt wheel (52) do not turn, therefore main power source (101) output shaft is not subject to torque.
11. a kind of power device for automotive safety lifting system, the automotive safety lifting system includes: for steering system System, braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering and backward boost (19), and the steering and backward boost (19) include internal combustion engine belt wheel (50), belt (51), the first steering hydraulic pump belt wheel (52), drive sleeve (53), the first freewheel clutch (54), the second freewheel clutch (55), Emergency motor (70), steering hydraulic pump (71) and the first connector (56)；Wherein emergency motor (70) and steering hydraulic pump (71) It is connected by the first connector (56), the first freewheel clutch (54) and the second freewheel clutch (55) are connected by drive sleeve (53) It connects, the first steering hydraulic pump belt wheel (52) and the second freewheel clutch (55) are connected；
The emergency motor (70) is made into double output shaft, and one of output shaft passes through the first freewheel clutch (54), drive sleeve (53) it being connect with steering hydraulic pump (71), another output shaft is connected by the second connector (66) and backing vacuum pump (67), Backing vacuum pump (67) connects braking system by the second vacuum check valve (21), and vehicle vacuum power source passes through the first vacuum list Braking system is connected to valve (20)；The steering and backward boost (19) are suitable for hydraulic power-assisted steering, vacuum-assisted brake Automobile；First vacuum check valve (20) guarantees that two vacuum lines are mutually indepedent with the second vacuum check valve (21), does not interfere with each other； Main power source (101) is driven by internal combustion engine belt wheel (50), belt (51), the first steering hydraulic pump belt wheel (52) when normal work The outer ring of second freewheel clutch (55), inner ring, drive sleeve (53) and steering hydraulic pump (71) input shaft rotate together, turn to Hydraulic pump (71) work, while the first freewheel clutch (54) outer ring is with rotation, and inner ring does not turn, therefore meets an urgent need motor (70) Do not turn；When main power source (101) failure or stop working, and main power source (101) and the revolving speed in reverse driven power source (102) are lower than When setting value, ternary control device (108) starts emergency power supply (103) and powers to emergency motor (70), meets an urgent need motor (70) Operating, emergency motor (70) one of output shaft drive the first freewheel clutch (54) inner ring, outer ring, drive sleeve (53) and The rotation of steering hydraulic pump (71) input shaft, steering hydraulic pump (71) work on, another output shaft band of emergency motor (70) Dynamic auxiliary vacuum pump (67) work, the second freewheel clutch (55) inner ring rotates at this time, and outer ring does not turn, therefore main power source (101) it is not driven torque effect.
12. a kind of power device for automotive safety lifting system, the automotive safety lifting system includes: for steering system System, braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering and backward boost (19), and the steering and backward boost (19) include internal combustion engine belt wheel (50), first Belt (51), the first steering hydraulic pump belt wheel (52), the second steering hydraulic pump belt wheel (57), axis (58), the second belt (59), electricity Machine belt wheel (60), the first freewheel clutch (54), the second freewheel clutch (55), emergency motor (70) and steering hydraulic pump (71)；Wherein emergency motor (70) is connect with electrical machine belt pulley (60) by the first freewheel clutch (54), steering hydraulic pump (71) It is connect with the first steering hydraulic pump belt wheel (52) by the second freewheel clutch (55), axis (58) and the second steering hydraulic pump belt wheel (57) and steering hydraulic pump (71) is connected；
The emergency motor (70) is made into double output shaft, and one of output shaft passes through the first freewheel clutch (54), motor band Wheel (60), the second belt (59), the second steering hydraulic pump belt wheel (57), axis (58) are connect with steering hydraulic pump (71), another Output shaft is connected by connector (66) and backing vacuum pump (67), and backing vacuum pump (67) passes through the second vacuum check valve (21) Braking system is connected, vehicle vacuum power source connects braking system by the first vacuum check valve (20)；The steering and braking are dynamic Power device (19) is suitable for hydraulic power-assisted steering, vacuum-assisted brake automobile；First vacuum check valve (20) and the second vacuum list Guarantee that two vacuum lines are mutually indepedent to valve (21), does not interfere with each other；Main power source (101) passes through internal combustion engine band when normal work Take turns (50), the first belt (51), the first steering hydraulic pump belt wheel (52), drive the second freewheel clutch (55) outer ring, inner ring and Axis (58) rotates steering hydraulic pump (71) input shaft, steering hydraulic pump (71) work, while steering hydraulic pump (71) input shaft It also drives the second steering hydraulic pump belt wheel (57) to rotate, electrical machine belt pulley (60), the first overdrive clutch is made by the second belt (59) The rotation of device (54) outer ring, but inner ring does not turn, therefore emergency motor (70) does not rotate；When main power source (101) break down or put out When fire and main power source (101) and the revolving speed in reverse driven power source (102) are lower than setting value, ternary control device (108) starting is answered Anxious power source (103) is powered to emergency motor (70), emergency motor (70) operating, one of output shaft of emergency motor (70) The first freewheel clutch (54) inner ring, outer ring and electrical machine belt pulley (60) rotation are driven, drives second turn by the second belt (59) It is rotated to hydraulic pump belt wheel (57), axis (58) and steering hydraulic pump (71) input shaft, steering hydraulic pump (71) works on, and meets an urgent need Another output shaft of motor (70) drives backing vacuum pump (67) work, and the second freewheel clutch (55) inner ring is with axis at this time (58) it rotates, but outer ring and the first steering hydraulic pump belt wheel (52) do not turn, therefore main power source (101) output shaft is not subject to turn round Square.
13. a kind of power device for automotive safety lifting system, the automotive safety lifting system includes: for steering system System, braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering and backward boost (19), and the steering and backward boost (19) include internal combustion engine belt wheel (50), belt (51), the first steering hydraulic pump belt wheel (52), the first freewheel clutch (54), the second freewheel clutch (55), the first connector (61), emergency motor (70), steering hydraulic pump (71) and drive sleeve (62)；Wherein steering hydraulic pump (71) has dual input shaft, Meeting an urgent need, motor (70) and steering hydraulic pump (71) are connected by the first connector (61), and emergency motor (70) and drive sleeve (62) are logical The first freewheel clutch (54) connection is crossed, drive sleeve (62) and steering hydraulic pump (71) are connected, steering hydraulic pump (71) and first Steering hydraulic pump belt wheel (52) is connected by the second freewheel clutch (55)；
The emergency motor (70) is made into double output shaft, and one of output shaft passes through the first freewheel clutch (54), drive sleeve (62) it being connect with steering hydraulic pump (71), another output shaft is connected by the second connector (66) and backing vacuum pump (67), Backing vacuum pump (67) connects braking system by the second vacuum check valve (21), and vehicle vacuum power source passes through the first vacuum list Braking system is connected to valve (20)；The steering and backward boost (19) are suitable for hydraulic power-assisted steering, vacuum-assisted brake Automobile；First vacuum check valve (20) guarantees that two vacuum lines are mutually indepedent with the second vacuum check valve (21), does not interfere with each other； Main power source (101) passes through internal combustion engine belt wheel (50), belt (51), the first steering hydraulic pump belt wheel (52), band when normal work Dynamic second freewheel clutch (55) outer ring, inner ring, rotate steering hydraulic pump (71) one end input shaft, steering hydraulic pump (71) work Make, while steering hydraulic pump (71) other end input shaft drives drive sleeve (62), the rotation of the first freewheel clutch (54) outer ring, but Inner ring does not turn, therefore emergency motor (70) does not rotate；When main power source (101) failure or stop working, and main power source (101) When being lower than setting value with the revolving speed in reverse driven power source (102), ternary control device (108) starts emergency power supply (103) to answering Urgent telegram machine (70) power supply；One of output shaft of emergency motor (70) operating, emergency motor (70) drives the first overdrive clutch Device (54) inner ring, outer ring and drive sleeve (62), make steering hydraulic pump (71) other end input shaft rotate, steering hydraulic pump (71) after Continuous work, another output shaft of emergency motor (70) drive backing vacuum pump (67) work, at this time the second freewheel clutch (55) inner ring is rotated with steering hydraulic pump (71) one end input shaft, but outer ring and the first steering hydraulic pump belt wheel (52) do not turn, because This main power source (101) output shaft is not subject to torque.
14. a kind of power device for automotive safety lifting system, the automotive safety lifting system includes: for steering system System, braking system and security classes power device provide the main power source (101) of power, reverse driven power source (102), vehicle speed sensor (104), security information sensor (105)；It further include emergency power supply (103), ternary control device (108)；The power dress Setting is steering and backward boost (19), and the steering and backward boost (19) include internal combustion engine belt wheel (50), belt (51), the first steering hydraulic pump belt wheel (52), the first freewheel clutch (54), the second freewheel clutch (55), motor gear (63), the first connector (64), emergency motor (70), steering hydraulic pump (71) and steering hydraulic pump gear (65)；Wherein meet an urgent need Motor (70) and steering hydraulic pump (71) are connected by the first connector (64), and emergency motor (70) passes through with motor gear (63) First freewheel clutch (54) connection, steering hydraulic pump (71) are connect with steering hydraulic pump gear (65), steering hydraulic pump gear (65) it is connected with the second freewheel clutch (55) inner ring, the first steering hydraulic pump belt wheel (52) and the second freewheel clutch (55) are outside Circle is connected；
The emergency motor (70) is made into double output shaft, and one of output shaft passes through the first freewheel clutch (54), motor tooth Wheel (63), steering hydraulic pump gear (65) are connect with steering hydraulic pump (71), another output shaft passes through the second connector (66) It is connected with backing vacuum pump (67), backing vacuum pump (67) connects braking system by the second vacuum check valve (21), vehicle-mounted true Empty power source connects braking system by the first vacuum check valve (20)；The steering is suitable for hydraulic with backward boost (19) Power-assisted steering, vacuum-assisted brake automobile；First vacuum check valve (20) and the second vacuum check valve (21) guarantee two vacuum Pipeline is mutually indepedent, does not interfere with each other；Main power source (101) passes through internal combustion engine belt wheel (50), belt (51), first when normal work Steering hydraulic pump belt wheel (52) drives the second freewheel clutch (55) outer ring, inner ring and steering hydraulic pump gear (65), makes to turn to The rotation of hydraulic pump (71) input shaft, steering hydraulic pump (71) work, while steering hydraulic pump gear (65) also drives motor gear (63) and the first freewheel clutch (54) outer ring rotates, but inner ring does not turn, therefore emergency motor (70) does not rotate；Work as main power source (101) when failure or flame-out and main power source (101) and reverse driven power source (102) revolving speed are lower than setting value, ternary control Device (108) starts emergency power supply (103) and powers to emergency motor (70), and emergency motor (70) operating is met an urgent need motor (70) One of output shaft drive the first freewheel clutch (54) inner ring, outer ring, motor gear (63) and steering hydraulic pump gear (65) it rotates, rotates steering hydraulic pump (71) input shaft, steering hydraulic pump (71) works on, and meet an urgent need the another of motor (70) A output shaft drives backing vacuum pump (67) work, and the second freewheel clutch (55) inner ring rotates at this time, but outer ring and first turn Do not turn to hydraulic pump belt wheel (52), therefore main power source (101) output shaft is not subject to torque.
CN201610225337.1A 2010-02-08 2010-02-08 Power device for automotive safety lifting system Expired - Fee Related CN105882420B (en)

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