CN201220659Y

CN201220659Y - Vehicle anti-collision and hydraulic or pneumatic device capable of automatically controlling deceleration and executing brake

Info

Publication number: CN201220659Y
Application number: CNU2008200522514U
Authority: CN
Inventors: 何克鉴; 郭炼光
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-04
Filing date: 2008-02-04
Publication date: 2009-04-15
Anticipated expiration: 2018-02-04

Abstract

A vehicle anti-collision hydraulic or pneumatic automatic control deceleration and braking executive device relates to a vehicle braking and starting control device, which comprises a main braking pump, an oil return tank, a power source part, a pressure and flow rate adjusting unit module, a control valve, a brake manner shifting unit module, an oil return valve and a vehicle Anti-locked Braking System (ABS system) (a vehicle braking system for non-ABS vehicles) which are connected through pipelines. The utility model is required to be used in conjunction with the special technologies such as a vehicle anti-collision intelligent recognition system and the like, so as to enable the vehicle to conduct promptly automatic deceleration and emergency braking (brake) when encountering a potential collision and while driving, thereby maximally avoiding collisions caused by the influences of human factors of drivers, emergencies and the like or decreasing collision strength, minimizing loss degree, and automatically conducting effective collision protection for passengers and the vehicle. The device is suitable for various hydraulic braking vehicles as well as hydraulic and pneumatic jointly braking vehicles to use.

Description

Collision prevention of vehicle hydraulic pressure or air-pressure automatically controlling speed-down, braking executive device

Technical field

The utility model relates to a kind of car brakeing effect startup and control setup, particularly collision prevention of vehicle hydraulic pressure or air-pressure automatically controlling speed-down, braking executive device.

Background technology

Along with The development in society and economy, as the vehicle industry of transport facility just at high speed development, the traffic accident of association is also more and more thus, only surpass 100,000 people (average per 5 minutes dead people) because of the death toll that traffic accident every year takes place in China for years, more than 3,200,000,000 yuan of Renminbi of direct economic loss is so traffic accident has become one of human great public hazards.The vehicle traffic accident overwhelming majority causes because of collision, for this has caused cataphoretic failure to human life's property.At present, though there are some to hit the patented technology or the imagination of aspect,, fail to reach ideal effect and actual application level at home and abroad because of lacking general systematicness, practicality and economy about preventing collision of vehicles.Particularly increase on the difficult problem of effective crash-avoidance and do not see that all breakthrough is arranged how.

Summary of the invention

The purpose of this utility model is to realize that vehicle is under steam as when running into the emergency situation that may bump; automatic emergency deceleration in time, emergency braking; thereby can avoid collision happens (or alleviating the collision consequence) effectively, thereby realize Anti-bumping protection vehicle and occupant.A kind of collision prevention of vehicle hydraulic pressure or air-pressure automatically controlling speed-down, braking executive device are provided.

The utility model is finished with following mode:

This collision prevention of vehicle hydraulic pressure or air-pressure automatically controlling speed-down, braking executive device, master brake cylinder is connected respectively to the oil return pond through pipeline, vehicle ABS system or motor vehicle braking system, the oil return pond connects propulsion source parts and control cock and vehicle ABS system or motor vehicle braking system again respectively through pipeline, master brake cylinder is by the master brake cylinder piston, master brake cylinder piston rod and brake pedal are formed, pressure is connected propulsion source parts and control cock with the flow regulating unit module respectively through pipeline, described propulsion source parts, its energy storage jar has the plumbing connection transmission pump, check valve is through the plumbing connection transmission pump with through plumbing connection oil return pond, the energy storage jar connects check valve and pressure relay respectively through pipeline, by pass valve, check valve is through plumbing connection pressure and flow regulating unit module, described pressure and flow regulating unit module, it is by electromagnetic valve, flow regulating valve, reducing valve, pipeline and module body constitute.

The utility model can also be realized with following mode.

The affixed connecting panel of brake pedal is connected with the piston rod of oil cylinder or cylinder through connection cord or bar, and spring or press packet are housed between piston and the cylinder bottom, and oil cylinder or cylinder are through the plumbing connection control cock.

In the inner chamber of master brake cylinder piston band piston rod one end of master brake cylinder press packet or head tank are housed, and through plumbing connection press packet or head tank and control cock, press packet or head tank are axially scalable.

Master brake cylinder, vehicle ABS system or motor vehicle braking system and control cock have plumbing connection brake mode converter unit module respectively, and brake mode converter unit module is made of shuttle valve, check valve, pipeline and module body.

Between oil return pond and vehicle ABS system or the motor vehicle braking system through the plumbing connection fuel-return valve.

Oil return pond and master brake cylinder have plumbing connection vehicle ABS system or motor vehicle braking system respectively.

Each pressure of pressure and flow regulating unit module and flow regulating passage are made of a reducing valve, a flow regulating valve, an electromagnetic valve and a check valve; Pressure and flow regulating passage can adopt one group, two groups or many groups as required; And one-tenth module capable of being combined.

The utility model is and one of matching used technical combinations of specific technique such as " collision prevention of vehicle intelligent identifying systems ", is again an independently special technology unit module; According to the configuring condition of vehicle, can supportingly use; Also can independently use or he uses.

The utility model and the supporting uses of specific technique such as " collision prevention of vehicle intelligent identifying systems " in the time of making vehicle run into the emergency state that may bump under steam, possess the self-protection function of timely automatic deceleration, emergency brake; Can avoid the collision that influences such as the human element of navigating mate and accident cause to greatest extent and reduce impact strength, loss can be dropped to minimum level; Initiatively occupant and vehicle are carried out the actv. Anti-bumping protection.

Can both provide enough automatic decelerations, the braking force and the control of braking power of emergency brake (or emergency brake) to various types of vehicles.

Description of drawings

Fig. 1, the collision prevention of vehicle hydraulic pressure that is connected with vehicle brake pedal or air-pressure automatically controlling speed-down, braking executive device structural representation.

Fig. 2, with the car brakeing total pump piston after the collision prevention of vehicle hydraulic pressure that is connected of chamber (the car brakeing master cylinder is connected with brake pedal, and an end of piston rod is arranged) or air-pressure automatically controlling speed-down, braking executive device structural representation.

Fig. 3, at car brakeing master cylinder front end, slow down with the mutual control vehicle of car brakeing master cylinder, the collision prevention of vehicle hydraulic pressure of braking or air-pressure automatically controlling speed-down, braking executive device structural representation.

Fig. 4, the utility model propulsion source block construction scheme drawing.

Fig. 5, the utility model pressure and flow regulating unit modular construction scheme drawing.

Fig. 6, the utility model brake mode converter unit modular construction scheme drawing.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

Embodiment one, sees Fig. 1, Fig. 4 and Fig. 5.

A kind of collision prevention of vehicle hydraulic pressure that is connected with vehicle brake pedal or air-pressure automatically controlling speed-down, braking executive device.It is by oil return pond 8 (utilization) or fluid box (using when adopting other liquid to make the delivery of energy medium), master brake cylinder 10, master brake cylinder piston rod 6, brake pedal 5 (utilization), connecting panel 26, connection cord or bar 27, oil cylinder or cylinder 28[are by 29,30 and 31 constitute], propulsion source parts 24, pressure and flow regulating unit module 22, control cock 19 and valve seat 20, connecting tube [1,2,4 (when adopting other liquids and gases to make the delivery of energy medium need not), 9,11,12,14,15,16,17,18,21,23,25,32], no ABS vehicle then pipeline 11 respectively with pipeline [14,16] and pipeline [15,17] be communicated with, pipeline [14,15] connect motor vehicle braking system, threeway [3,33] and parts such as junction circuit form.Its structure, principle and effect:

Parts 8 are that compression air brake (is adopted as vehicle in the oil return pond of this executive device, then do not need), system utilizes the original oil return of vehicle pond, it is communicated with the former ABS of vehicle system 13 respectively or does not have ABS vehicle pipeline 11 by pipeline [4 (when adopting gentle of other liquid to make the delivery of energy medium need not), 9,11,12,1,2] and threeway [3,32] and is communicated with pipeline [14,16] and pipeline [15,17] respectively, and pipeline [14,15] connects motor vehicle braking system, propulsion source parts 24 and control cock 19 and is connected.Its effect is: the storage storage tank of delivery of energy medium under the normal pressure.

Parts 5 are the brake pedal of this executive device, are to utilize the original brake pedal of vehicle, are welded to connect plate 26 in the above or directly punch on former pedal.Its effect is that the deceleration of connection cord or bar 27 transmission, control of braking power are promoted pistons 7 motions by the piston rod 6 of master brake cylinder 10.

Parts 27 are the connection cord or the bar of this executive device.Its end connects the connecting rod 31 of oil cylinder or cylinder, and the other end links to each other with brake pedal 5.Its effect is to transmit car retardation, control of braking braking force to brake pedal.

Parts 28 are the oil cylinder or the cylinder of this executive device, and it is made of piston 29, piston rod 31, spring 30 (or replace with press packet).The way of control plunger 29 move distances has multiple: 1., form sealed gas chamber (or putting into scalable press packet) at an end of piston 29, when the other end charges into the delivery of energy medium, promote piston 29 motion compresses sealed gas chambers (or scalable press packet), utilize pressure to determine piston 29 move distances; 2., be implanted into spring 30, promote piston 29 motion compresses springs 30 when the other end charges into the delivery of energy medium, the move distance of piston 29 is determined by the pressure that the delivery of energy medium provides and the bounce of spring 30 at an end of piston 29; 3., also can be aforesaid way combination or other.Its piston rod 31 links to each other with connection cord or bar 27, and cylinder body one end perforate communicates with control cock 19 through pipeline 18.Its principle of work and effect: when the passage that leads to these parts when control cock 19 was opened, the delivery of energy medium injected, and promotes piston 29 along movement of cylinder block, drives piston rod 31 motions and provides deceleration, control of braking power to connection cord or bar 27; Its effect is with delivery of energy medium transformation of energy and passes to connection cord or bar 27.

Parts 24 are the propulsion source parts of this executive device (air brakes vehicles carries the high pressure gas bag by vehicle and replaces).It is made up of energy storage jar 41, transmission pump 70, motor 45, binode pressure relay 48, compression indicator (also can) 50, by pass valve 46, check valve [39,44], pipeline [23,42,43,1,25,47,49,51] and threeway 40, one side links to each other with oil return pond 8 by pipeline 1, and one side links to each other with flow regulating unit module 22 with pressure by pipeline 23; Other picks out one the tunnel and by pipeline 25 the delivery of energy medium of excess input is delivered to oil return pond 8 (gas is emptying then) through by pass valve 46.Its principle of work and effect: receive the instruction of car retardation, braking when this executive device after, energy storage jar 41 provides high pressure delivery of energy medium to pressure and flow regulating unit module 22 immediately.When energy storage jar 41 pressure decays when setting low value, motor 45 starts transmission pumps 70 and replenishes medium to pressure to energy storage jar 41 and be elevated to setting value, motor 45 stalls, transmission pump 70 stop medium transport; Energy storage jar 41 remains in the setting pressure scope to guarantee the energy storage medium supply of action next time.When vehicle carried the high pressure gas bag, this propulsion source parts other parts except that 1 check valve and part connecting tube can save, and its function is replaced by the high pressure gas bag.Its effect is to provide control brake power for car retardation, braking.Parts 22 are the pressure and the flow regulating unit module of this executive device.It is made up of electromagnetic valve [52,53,54], reducing valve [56,57,61], flow regulating valve [55,62], check valve [58,59,60], module body 73 and pipeline [23,21], and each pressure and flow regulating passage are made up of 1 reducing valve, 1 flow regulating valve (detent channel need not), 1 electromagnetic switch and 1 check valve.A unlimited passage can be formed in theory, generally use 3-5, but separate connection also module can be assembled, it can be a module, also can be being used in combination of a plurality of modules, its end links to each other with propulsion source parts 24 by pipeline 23, and an end links to each other with control cock 19 by pipeline 21.Its principle of work and effect: when the delivery of energy medium enters these parts under elevated pressures, open the valve of corresponding setting pressure according to the control command of " intelligent collision recognizing system for automobile ", when pressure surpasses setting value, the delivery of energy medium overflows, thereby keeps press setting pressure and speed to control cock 19 conveying delivery of energy media in setting-up time; Its effect be will input high-pressure medium convert to as required and need the delivery of energy of pressure medium output.Parts 19 are the control cock parts of this executive device, and it is made up of control cock 19 and control valve seat 20.It links to each other with oil cylinder or cylinder 28 with oil return pond 8, pipeline 18 with flow regulating unit module 22, pipeline [32,2,4] and threeway [3,33] with pressure by pipeline 21.Its effect is the break-make between the control three.

The junction circuit of this executive device.Its effect is: control command is transferred to related components in the mode of electric signal, makes its precision maneuver on request.

Principle of work and process: the transmission pump 70 of propulsion source parts 24 is by pipeline [1,4] and threeway 3 the delivery of energy media (oil) in the oil return pond 8 (are adopted other liquid as the delivery of energy medium, then need make fluid box in addition, and the pipeline 4 that is connected with oil return pond 8 of cancellation) delivers to energy storage jar 41, energy storage jar 41 by pipeline 23 with high pressure delivery of energy medium [oil (liquid)] be transported to fast pressure and flow regulating unit module 22 carry out pressure with flow regulating after control cock 19 direct injection oil cylinder or cylinders 28, the delivery of energy medium promotes piston 29 motions of oil cylinder or cylinder 28, the piston rod 31 that fuses with piston 29 drives connection cords or bar 27 and drags (pushing away) motor vehicle brake pedal action (imitation driver touch on the brake action), make 7 motions of car brakeing total pump piston, realize the deceleration of vehicle, braking maneuver.When deceleration, brake relieving signal, control cock 19 is closed and pressure and flow regulating unit module 22 interface channels, is communicated with oil cylinder or cylinder 28 and oil return pond 8, MEDIA FLOW Huis oil sump 8 or fluid boxes in oil cylinder or the cylinder 28, and vehicle recovers the cruising state.

Embodiment two, see Fig. 2, Fig. 4 and Fig. 5.

Collision prevention of vehicle hydraulic pressure that chamber behind a kind of and the car brakeing total pump piston (be connected with pedal with the car brakeing master cylinder, an end of piston rod is arranged) is connected or air-pressure automatically controlling speed-down, braking executive device.It is by oil return pond 8 or fluid box (using when adopting other liquid to make the delivery of energy medium), master brake cylinder 10, press packet or head tank 71, propulsion source parts 24, pressure and flow regulating unit module 22, control cock 19 and control valve seat 20, pipeline [1,2,4 (when adopting other liquids and gases to make the delivery of energy medium need not), 12,9,11,14,15,16,17,18,21,23,25,32], no ABS vehicle then pipeline 11 respectively with pipeline [14,16] and pipeline [15,17] be communicated with, pipeline [14,15] connect motor vehicle braking system, threeway [3,33] and the junction circuit parts form.Its structure, principle and effect:

Parts 8 are that compression air brake (is adopted as vehicle in the oil return pond of this executive device, then do not need), system utilizes the original oil return of vehicle pond, and it is communicated with the former ABS of vehicle system 13, propulsion source parts 24 and control cock 19 respectively by pipeline [4 (when adopting gentle of other liquid to make the delivery of energy medium need not), 9,11,12,1,2] and threeway [3,32] and is connected.Its effect is: the storage storage tank of delivery of energy medium under the normal pressure.

Parts 10 are the master brake cylinder of this executive device, and it utilizes the former master brake cylinder of vehicle, in pump (end that is connected with brake pedal) but implant the press packet or the head tank 71 of axial stretching, press packet or head tank 71 are connected with control cock 19 by pipeline 18.Its principle of work and effect: utilize the axial stretching of press packet or head tank 71, when in injection pressure bag or the head tank 71 during the delivery of energy medium, press packet or head tank 71 become real elongation, promote master brake cylinder piston 7 and move ahead, and vehicle slows down, braking maneuver; When press packet or head tank 71 were communicated with oil return pond 8, press packet or head tank 71 delivery of energy media flowed out, and master brake cylinder piston 7 is return the normal position, slowed down, braking removes.Its effect provides delivery of energy medium promotion master brake cylinder piston and moves ahead, and car retardation, control of braking power are provided.

Parts 24 are the propulsion source parts of this executive device (air brakes vehicles carries the high pressure gas bag by vehicle and replaces).It is made up of energy storage jar 41, transmission pump 70, motor 45, binode pressure relay 48, compression indicator (also can) 50, by pass valve 46, check valve [39,44], pipeline [23,42,43,1,25,47,49,51] and threeway 40, one side links to each other with oil return pond 8 by pipeline 1, and one side links to each other with flow regulating unit module 22 with pressure by pipeline 23; Other picks out one the tunnel and sends the delivery of energy medium of excess input back to oil return pond 8 (gas is emptying then) through by pass valve 46 by pipeline 25.Its principle of work and effect: receive the instruction of car retardation, braking when this executive device after, energy storage jar 41 provides high pressure delivery of energy medium to pressure and flow regulating unit module 22 immediately.When energy storage jar 41 pressure decays when setting low value, motor 45 starts transmission pumps 70 and replenishes medium to pressure to energy storage jar 41 and be elevated to setting value, motor 45 stalls, transmission pump 70 stop medium transport; Energy storage jar 41 remains in the setting pressure scope to guarantee the energy storage medium supply of action next time.When vehicle carried the high pressure gas bag, this propulsion source parts other parts except that 1 check valve and part connecting tube can save, and its function is replaced by the high pressure gas bag.Its effect is to provide control brake power for car retardation, braking.

Parts 22 are the pressure and the flow regulating unit module of this executive device.It is made up of electromagnetic valve [52,53,54], reducing valve [56,57,61], flow regulating valve [55,62], check valve [58,59,60], module body 73 and pipeline [23,21], and each pressure and flow regulating passage are made up of 1 reducing valve, 1 flow regulating valve (detent channel need not), 1 electromagnetic switch and 1 check valve.Can form a unlimited passage in theory, generally use 3-5.But separate connection also can assemble module; It can be a module, also can be being used in combination of a plurality of modules, and its end links to each other with propulsion source parts 24 by pipeline 23, and an end links to each other with control cock 19 by pipeline 21.Its principle of work and effect: when the delivery of energy medium enters these parts under elevated pressures, open the valve of corresponding setting pressure according to the control command of " intelligent collision recognizing system for automobile ", when pressure surpasses setting value, the delivery of energy medium overflows, thereby keeps press setting pressure and speed to control cock 19 conveying delivery of energy media in setting-up time; Its effect be will input high-pressure medium convert to as required and need the delivery of energy of pressure medium output.

Parts 19 are the control cock parts of this executive device, and it is made up of control cock 19 and control valve seat 20.It passes through pipeline 21 and pressure and flow regulating unit module 22, pipeline [32,2,4] and threeway [3,33] and oil return pond 8, and pipeline 18 links to each other with press packet or head tank 71.Its effect is the break-make between the control three.

Principle of work and process: propulsion source parts 24 are transported to pressure and flow regulating unit module 22 by pipeline at a high speed with the delivery of energy medium in the oil return pond 8 [oil (liquid)], behind pressure and flow regulating, inject the press packet or the head tank 71 of car brakeing master cylinder 10, press packet or head tank 71 enrich elongation promotion master brake cylinder piston 7 and travel forward, the delivery of energy medium promotes the brake system action, realizes deceleration, the braking maneuver of vehicle.When deceleration, brake relieving signal, control cock 19 is closed and pressure and flow regulating unit module 22 interface channels, be communicated with press packet or head tank 71 and oil return pond 8 in the master brake cylinder 10, delivery of energy MEDIA FLOW Huis oil sump 206 in press packet or the head tank 71, press packet or head tank 71 be the compression and back original position under external force, and vehicle recovers the cruising state.

Embodiment three, see Fig. 3, Fig. 4, Fig. 5 and Fig. 6.

A kind of at car brakeing master cylinder front end, with the mutual control vehicle deceleration of car brakeing master cylinder, the collision prevention of vehicle hydraulic pressure of braking or air-pressure automatically controlling speed-down, braking executive device.It is by oil return pond 8, master brake cylinder 10, propulsion source parts 24, pressure and flow regulating unit module 22, control cock 19 and control valve seat 20, brake mode converter unit module 37, fuel-return valve 34, pipeline [1,2,4,12 (utilizations), 9 (utilizations), 11,12,14 (utilizations), 15 (utilizations), 35,38,21,23,25,32,17,16,36], no ABS vehicle then pipeline 11 is communicated with pipeline [14,16] and pipeline [15,17] respectively, pipeline [14,15] connects motor vehicle braking system, and parts such as threeway [3,33] and junction circuit are formed.Its structure, principle and effect:

Parts 8 are the oil return pond (adopt compression air brake as vehicle, then do not need) of this executive device, are to utilize the original oil return of vehicle pond, and it is by pipeline [4 (when adopting gentle of other liquid to make the delivery of energy medium need not), 9,11,12,1,2] and threeway

Claims

1, a kind of collision prevention of vehicle hydraulic pressure or air-pressure automatically controlling speed-down, braking executive device, it is characterized in that: master brake cylinder (10) is connected respectively to oil return pond (8), vehicle ABS system (13) or motor vehicle braking system through pipeline, oil return pond (8) connects propulsion source parts (24), control cock (19) and vehicle ABS system (13) or motor vehicle braking system again respectively through pipeline, and pressure is connected propulsion source parts (24) and control cock (19) with flow regulating unit module (22) respectively through pipeline; Described master brake cylinder (10) is made of master brake cylinder piston (7), master brake cylinder piston rod (6) and brake pedal (5); Described propulsion source parts, its energy storage jar (41) has pipeline (42) to connect transmission pump (70), check valve (44) connects transmission pump (70) and is connected oil return pond (8) through pipeline (1) through pipeline (43), energy storage jar (41) connects check valve (39) and pressure relay (48), by pass valve (46) respectively through pipeline, and check valve (39) connects pressure and flow regulating unit module (22) through pipeline (23); Described pressure and flow regulating unit module (22), it is made of electromagnetic valve (52), electromagnetic valve (53), electromagnetic valve (54), flow regulating valve (55), flow regulating valve (62), reducing valve (56), reducing valve (57), reducing valve (61), check valve (58), check valve (59), check valve (60), pipeline (23), pipeline (21) and module body (73).

2, according to the described collision prevention of vehicle hydraulic pressure of claim 1 or air-pressure automatically controlling speed-down, braking executive device, the affixed connecting panel of brake pedal (5) (26) that it is characterized in that master brake cylinder (10), be connected with the piston rod (31) of oil cylinder or cylinder (28) through connection cord or bar, spring (30) is housed between piston (29) and the cylinder bottom or replaces with press packet, oil cylinder or cylinder (28) connect control cock (19) through pipeline (18).

3, according to the described collision prevention of vehicle hydraulic pressure of claim 1 or air-pressure automatically controlling speed-down, braking executive device, it is characterized in that in the inner chamber of master brake cylinder piston (7) band piston rod (6) one ends of master brake cylinder (10) press packet or head tank (71) being housed, and through pipeline (18) connection press packet or head tank (71) and control cock (19), press packet or head tank (71) are axially scalable.

4, according to the described collision prevention of vehicle hydraulic pressure of claim 1 or air-pressure automatically controlling speed-down, braking executive device, it is characterized in that master brake cylinder (10), vehicle ABS system (13) or motor vehicle braking system and control cock (19) have plumbing connection brake mode converter unit module (37) respectively, brake mode converter unit module (37) is made of shuttle valve (63), shuttle valve (66), check valve (64), check valve (67), check valve (69) and pipeline (16), pipeline (17), pipeline (65), pipeline (35), pipeline (36), pipeline (38) and module body (68).

5, according to the described collision prevention of vehicle hydraulic pressure of claim 1 or air-pressure automatically controlling speed-down, braking executive device, it is characterized in that each pressure of pressure and flow regulating unit module (22) and flow regulating passage are made of a reducing valve, a flow regulating valve, an electromagnetic valve and a check valve; Pressure and flow regulating passage can adopt one group, two groups or many groups as required; And one-tenth module capable of being combined.

6, according to the described collision prevention of vehicle hydraulic pressure of claim 1 or air-pressure automatically controlling speed-down, braking executive device, it is characterized in that between oil return pond (8) and vehicle ABS system (13) or the motor vehicle braking system through plumbing connection fuel-return valve (34).

7, according to the described collision prevention of vehicle hydraulic pressure of claim 1 or air-pressure automatically controlling speed-down, braking executive device, it is characterized in that oil return pond (8) and master brake cylinder (10) have pipeline (11) to be connected vehicle ABS system (13) or motor vehicle braking system with pipeline (16), pipeline (17) respectively.