CN102975706B - Automobile brake boosting and controlling device - Google Patents
Automobile brake boosting and controlling device Download PDFInfo
- Publication number
- CN102975706B CN102975706B CN201210490680.0A CN201210490680A CN102975706B CN 102975706 B CN102975706 B CN 102975706B CN 201210490680 A CN201210490680 A CN 201210490680A CN 102975706 B CN102975706 B CN 102975706B
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- tubing switch
- hydraulic tubing
- pipeline
- check valve
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- 239000007788 liquid Substances 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims description 24
- 230000006698 induction Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
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- 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
- B60T13/12—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 liquid
- B60T13/16—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 liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
- B60T13/161—Systems with master cylinder
- B60T13/162—Master cylinder mechanically coupled with booster
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- 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
- B60T13/12—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 liquid
- B60T13/14—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 liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/145—Master cylinder integrated or hydraulically coupled with booster
- B60T13/146—Part of the system directly actuated by booster pressure
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- 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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
Abstract
The invention discloses an automobile brake boosting and controlling device, which comprises a liquid storage tank (1), a high pressure gas tank (2), an electronic control unit (3) and a boosting and controlling unit (4). The boosting and controlling unit (4) has a piston mechanism (41) and a four-way wheel control hydraulic pipeline; the piston mechanism (41) is respectively communicated with the liquid storage tank (1), the high pressure gas tank (2) and the four-way wheel control hydraulic pipe, and the electronic control unit (3) is respectively connected with the piston mechanism (41) and the four-way wheel control hydraulic pipeline through a circuit. According to the invention, due to application of the brake boosting and controlling device with high pressure and stored energy, the automobile has a swift response on braking, and the dependency on an engine is released; and the automobile brake boosting and controlling device is simple and convenient to arrangemount, and meanwhile, braking pedal force and routine are always in the best states.
Description
Technical field
The present invention relates to automobile brake technical field, particularly a kind of automobile brake power-assisted and control setup.
Background technology
Modern automobile force aid system for braking generally adopts vacuum booster unit, and braking control system adopts ABS control setup.Vacuum boosting braking system is the brake system that current manned vehicle and light commercial vehicle mainly use, and it adopts hydraulic pressure as transmission medium, and compared with can providing the Pneumatic braking system of propulsion source, it needs force aid system to carry out driver assistance to brake.Vacuum brake force aid system adds a set of work-saving device being provided braking force by other energy on the basis of Manual hydraulic braking, makes manpower and power dual-purpose.
Realizing in process of the present invention, contriver finds that prior art at least exists following problem: existing vacuum booster unit mounting process is complicated, high to space arrangement requirement, and the dependence of vacuum booster to driving engine is higher, brake pedal force and stroke are difficult to coordinate, and cause the degree of comfort decreased of brake pedal.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of automobile brake power-assisted and control setup, which solves automobile brake power-assisted and Control system architecture is huge, mounting process is complicated and vacuum booster relies on high problem to driving engine, the comfort level that automobile brake pedal is handled can also be promoted simultaneously.Described technical scheme is as follows:
A kind of automobile brake power-assisted and control setup, described device comprises: fluid reservoir, high pressure gas holder, electronic control unit (ECU) and power-assisted and control unit, and described power-assisted and control unit have piston mechanism and four bus wheel hydraulic control pipeline; Described piston mechanism takes turns hydraulic control pipeline connection with described fluid reservoir, described high pressure gas holder and described four bus respectively, and described electronic control unit is taken turns hydraulic control pipeline circuit with described piston mechanism and described four bus respectively and is connected;
Described piston mechanism comprises piston barrel, piston and piston return spring, described piston barrel is communicated with described fluid reservoir on sidewall, described piston barrel is communicated with described high pressure gas holder on the first diapire, and described piston return spring is arranged between described piston and the second diapire of described piston barrel.
Further, the connecting pipe of described piston mechanism and described high pressure gas holder has induction tract and pump-line, and described induction tract is provided with the first electromagnetic valve, and described pump-line is provided with the first check valve and air pump.
Further, described four bus wheel hydraulic control pipelines comprise off front wheel hydraulic control pipeline, left rear wheel hydraulic control pipeline, off hind wheel hydraulic control pipeline and the near front wheel hydraulic control pipeline, and described off front wheel hydraulic control pipeline, described left rear wheel hydraulic control pipeline, described off hind wheel hydraulic control pipeline are connected with corresponding brake wheel cylinder respectively with described the near front wheel hydraulic control pipeline.
Further, described off front wheel hydraulic control pipeline comprises the second check valve, the first hydraulic tubing switch and the second electromagnetic valve, described second check valve and described first hydraulic tubing switch in parallel are arranged on described off front wheel hydraulic control pipeline, and described second electromagnetic valve is connected with described electronic control unit circuit; Described first hydraulic tubing switch has the first hydraulic tubing switch A port, the first hydraulic tubing switch B port and the first hydraulic tubing switch pull back spring, and described in described second solenoid control, the first hydraulic tubing switch pull back spring realizes the opening and closing of described first hydraulic tubing switch.
Further, described left rear wheel hydraulic control pipeline comprises the 3rd check valve, the second hydraulic tubing switch and the 3rd electromagnetic valve, described 3rd check valve and described second hydraulic tubing switch in parallel are arranged on described left rear wheel hydraulic control pipeline, and described 3rd electromagnetic valve is connected with described electronic control unit circuit; Described second hydraulic tubing switch has the second hydraulic tubing switch A port, the second hydraulic tubing switch B port and the second hydraulic tubing switch pull back spring, and described in described 3rd solenoid control, the second hydraulic tubing switch pull back spring realizes the opening and closing of described second hydraulic tubing switch.
Further, described off hind wheel hydraulic control pipeline comprises the 4th check valve, the 3rd hydraulic tubing switch and the 4th electromagnetic valve, described 4th check valve and described 3rd hydraulic tubing switch in parallel are arranged on described off hind wheel hydraulic control pipeline, and described 4th electromagnetic valve is connected with described electronic control unit circuit; Described 3rd hydraulic tubing switch has the 3rd hydraulic tubing switch A port, the 3rd hydraulic tubing switch B port and the 3rd hydraulic tubing switch pull back spring, and described in described 4th solenoid control, the 3rd hydraulic tubing switch pull back spring realizes the opening and closing of described 3rd hydraulic tubing switch.
Further, described the near front wheel hydraulic control pipeline comprises the 5th check valve, the 4th hydraulic tubing switch and the 5th electromagnetic valve, described 5th check valve and described 4th hydraulic tubing switch in parallel are arranged on described the near front wheel hydraulic control pipeline, and described 5th electromagnetic valve is connected with described electronic control unit circuit; Described 4th hydraulic tubing switch has the 4th hydraulic tubing switch A port, the 4th hydraulic tubing switch B port and the 4th hydraulic tubing switch pull back spring, and described in described 5th solenoid control, the 4th hydraulic tubing switch pull back spring realizes the opening and closing of described 4th hydraulic tubing switch.
Further, described electronic control unit is connected with the brake pedal circuit of automobile.
Further, described device also comprises: the first liquid storage pipeline and the second liquid storage pipeline, described first liquid storage pipeline and described off front wheel hydraulic control pipeline and described left rear wheel hydraulic control pipeline are arranged in parallel, and described second liquid storage pipeline and described off hind wheel hydraulic control pipeline and described the near front wheel hydraulic control pipeline are arranged in parallel;
Described first liquid storage pipeline comprises the 6th check valve, the first Hydraulic Pump, the 7th check valve and the first fluid reservoir that set gradually, and described 6th check valve is communicated with the liquid outlet of described piston mechanism; Described second liquid storage pipeline comprises the 8th check valve, the second Hydraulic Pump, the 9th check valve and the second fluid reservoir that set gradually, and described 8th check valve is communicated with the liquid outlet of described piston mechanism; Described first Hydraulic Pump is connected with motor with described second Hydraulic Pump simultaneously.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By using brake boost and the control setup of high-voltage energy storage, automobile brake being swift in response, relieving the dependence to driving engine, and installing simple and convenient, also make brake pedal force and stroke be in optimum regime all the time simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the automobile brake power-assisted that provides of the embodiment of the present invention and control setup integration module schematic diagram;
Fig. 2 be the automobile brake power-assisted that provides of the embodiment of the present invention and control setup pressurized state time schematic diagram;
Fig. 3 be the automobile brake power-assisted that provides of the embodiment of the present invention and control setup packing state time schematic diagram;
Fig. 4 be the automobile brake power-assisted that provides of the embodiment of the present invention and control setup step-down state time schematic diagram.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
Present embodiments provide a kind of automobile brake power-assisted and control setup, incorporated by reference to see Fig. 1 to Fig. 4, because the technical characteristic of this automobile brake power-assisted and control setup is more, whole technical characteristics is not marked in each width accompanying drawing.
This automobile brake power-assisted and control setup comprise: fluid reservoir 1, high pressure gas holder 2, electronic control unit 3 (english abbreviation ECU) and power-assisted and control unit 4, electronic control unit 3 sends signal designation fluid reservoir 1 and high pressure gas holder 2 starts work, fluid reservoir 1 conveying high-pressure liquid is to power-assisted and control unit 4, and power-assisted and control unit 4 realize auxiliary braking by highly pressurised liquid to automotive wheel.Power-assisted and control unit 4 have piston mechanism 41 and four bus wheel hydraulic control pipeline.Piston mechanism 41 takes turns hydraulic control pipeline connection with fluid reservoir 1, high pressure gas holder 2 and four bus respectively, electronic control unit 3 is taken turns hydraulic control pipeline circuit with piston mechanism 41 and four bus respectively and is connected, and electronic control unit 3 is connected with brake pedal 5 circuit of automobile.
Wherein, piston mechanism 41 comprises piston barrel 411, piston 412 and piston return spring 413, piston 412 and piston return spring 413 are arranged in piston barrel 411, piston 412 can move under the promotion of high pressure gas in piston barrel 411, simultaneously also can under the elastic force effect of piston return spring 413 return.Piston barrel 411 is communicated with fluid reservoir 1 on sidewall, and the sidewall of piston barrel 411 offers two inlets, and these two inlets are communicated with fluid reservoir 1.Meanwhile, piston barrel 411 sidewall of two inlet opposite sides offers two liquid outlets, these two liquid outlets are each takes turns hydraulic control pipeline connection with two bus.Piston barrel 411 is communicated with high pressure gas holder 2 on the first diapire, piston return spring 413 is arranged between piston 412 and the second diapire of piston barrel 411, like this, the pressure of the high pressure gas in high pressure gas holder 2 and the elastic force of piston return spring 413 form propelling thrust and anti-propelling thrust to piston 412.Preferably, piston mechanism 41 has induction tract 414 and pump-line 415 with the connecting pipe of high pressure gas holder 2, induction tract 414 is provided with the first electromagnetic valve 416, pump-line 415 is provided with the first check valve 417 and air pump 418, first electromagnetic valve 416 is connected with electronic control unit 3 circuit respectively with air pump 418.Like this, when needing to provide brake boost (stepping on the brake pedal 5 of automobile), electronic control unit 3 carries signal to the first electromagnetic valve 416, open this first electromagnetic valve 416, high pressure gas in high pressure gas holder 2 are transported in the piston barrel 411 of piston mechanism 41, and promote piston 412.When not needing to provide brake boost (unclamping the brake pedal 5 of automobile), electronic control unit 3 carries signal to air pump 418, open this air pump 418 and the first check valve 417, high pressure gas in piston barrel 411 are withdrawn in high pressure gas holder 2 by air pump 418, and piston 412 is pushed back to initial condition under the effect of piston return spring 413.
Four bus wheel hydraulic control pipelines comprise off front wheel hydraulic control pipeline 42, left rear wheel hydraulic control pipeline 43, off hind wheel hydraulic control pipeline 44 and the near front wheel hydraulic control pipeline 45, and this four bus wheel hydraulic control pipeline connects with corresponding brake wheel cylinder respectively.Namely off front wheel hydraulic control pipeline 42 is connected with the brake wheel cylinder of off front wheel, and when off front wheel hydraulic control pipeline 42 is to the brake wheel cylinder conveying high-pressure liquid of off front wheel, the brake wheel cylinder of off front wheel implements hydraulic braking to off front wheel; Left rear wheel hydraulic control pipeline 43 is connected with the brake wheel cylinder of left rear wheel, and when left rear wheel hydraulic control pipeline 43 is to the brake wheel cylinder conveying high-pressure liquid of left rear wheel, the brake wheel cylinder of left rear wheel implements hydraulic braking to left rear wheel; In like manner, off hind wheel hydraulic control pipeline 44 is connected with the brake wheel cylinder of off hind wheel, and the near front wheel hydraulic control pipeline 45 is connected with the brake wheel cylinder of the near front wheel.Be provided with wheel speed sensors at the annex of the off front wheel of automobile, left rear wheel, off hind wheel and the near front wheel, this wheel speed sensors is everywhere connected with electronic control unit 3 circuit respectively.
Particularly, off front wheel hydraulic control pipeline 42 comprises the second check valve 421, first hydraulic tubing switch 422 and the second electromagnetic valve 423, second check valve 421 and the first hydraulic tubing switch 422 are arranged in parallel on off front wheel hydraulic control pipeline 42, and the second electromagnetic valve 423 is connected with electronic control unit 3 circuit.The two ends of the second check valve 421 are communicated with the brake wheel cylinder of off front wheel with a liquid outlet on piston barrel 411 sidewall respectively, highly pressurised liquid in off front wheel hydraulic control pipeline 42 can be withdrawn in piston barrel 411 by this second check valve 421, and the highly pressurised liquid in piston barrel 411 can not be transported in the pipeline of off front wheel hydraulic control pipeline 42 through this second check valve 421.First hydraulic tubing switch 422 has the first hydraulic tubing switch A port 424, first hydraulic tubing switch B port 425 and the first hydraulic tubing switch pull back spring 426, second electromagnetic valve 423 controls the opening and closing that the first hydraulic tubing switch pull back spring 426 realizes the first hydraulic tubing switch 422.First hydraulic tubing switch A port 424 is communicated with the liquid outlet on piston barrel 411 sidewall, first hydraulic tubing switch B port 425 is communicated with the brake wheel cylinder of off front wheel, and the first hydraulic tubing switch pull back spring 426 bulb stopper that can promote under the control of the second electromagnetic valve 423 in first hydraulic tubing switch 422 is closed or opened the first hydraulic tubing switch A port 424 and the first hydraulic tubing switch B port 425.Its principle of work is: when needs are braked, second electromagnetic valve 423 controls the first hydraulic tubing switch A port 424 and opens, second electromagnetic valve 423 controls the first hydraulic tubing switch B port 425 and closes, highly pressurised liquid in piston barrel 411 enters in the pipeline of off front wheel hydraulic control pipeline 42 through the first hydraulic tubing switch A port 424, thus the brake wheel cylinder entering off front wheel implements braking.When needing continuous braking (namely keeping the pressure in off front wheel hydraulic control pipeline 42), second electromagnetic valve 423 controls the first hydraulic tubing switch A port 424 and the first hydraulic tubing switch B port 425 is all in closed condition, namely high pressure hydraulic remains in off front wheel hydraulic control pipeline 42, thus makes off front wheel continue to be in braking mode.When not needing braking (i.e. loosen the brake), second electromagnetic valve 423 controls the first hydraulic tubing switch A port 424 and is in closed condition, second electromagnetic valve 423 controls the first hydraulic tubing switch B port 425 and is in open mode, second check valve 421 is in opening, like this, a highly pressurised liquid part in off front wheel hydraulic control pipeline 42 feeds back in piston barrel 411 by the second check valve 421, another part enters in the first liquid storage pipeline 46 through the first hydraulic tubing switch B port 425, two return flow paths are set, can promptly brake off state.
Left rear wheel hydraulic control pipeline 43 comprises the 3rd check valve 431, second hydraulic tubing switch 432 and the 3rd electromagnetic valve 433,3rd check valve 431 and the second hydraulic tubing switch 432 are arranged in parallel on left rear wheel hydraulic control pipeline 43, and the 3rd electromagnetic valve 433 is connected with electronic control unit 3 circuit.Second hydraulic tubing switch 432 has the second hydraulic tubing switch A port 434, second hydraulic tubing switch B port 435 and the second hydraulic tubing switch pull back spring the 436, three electromagnetic valve 433 controls the opening and closing that the second hydraulic tubing switch pull back spring 436 realizes the second hydraulic tubing switch 432.
Off hind wheel hydraulic control pipeline 44 comprises the 4th check valve 441, the 3rd hydraulic tubing switch 442 and the 4th electromagnetic valve 443,4th check valve 441 and the 3rd hydraulic tubing switch 442 are arranged in parallel on off hind wheel hydraulic control pipeline 44, and the 4th electromagnetic valve 443 is connected with electronic control unit 3 circuit.3rd hydraulic tubing switch 442 has the 3rd hydraulic tubing switch A port the 444, the 3rd hydraulic tubing switch B port 445 and the 3rd hydraulic tubing switch pull back spring the 446, four electromagnetic valve 443 controls the opening and closing that the 3rd hydraulic tubing switch pull back spring 446 realizes described 3rd hydraulic tubing switch 442.
The near front wheel hydraulic control pipeline 45 comprises the 5th check valve 451, the 4th hydraulic tubing switch 452 and the 5th electromagnetic valve 453,5th check valve 451 and the 4th hydraulic tubing switch 452 are arranged in parallel on the near front wheel hydraulic control pipeline 45, and the 5th electromagnetic valve 453 is connected with electronic control unit 3 circuit.4th hydraulic tubing switch 452 has the 4th hydraulic tubing switch A port the 454, the 4th hydraulic tubing switch B port 455 and the 4th hydraulic tubing switch pull back spring the 456, five electromagnetic valve 453 controls the opening and closing that the 4th hydraulic tubing switch pull back spring 456 realizes the 4th hydraulic tubing switch 452.
The connection of left rear wheel hydraulic control pipeline 43, off hind wheel hydraulic control pipeline 44 and constituent elements in the near front wheel hydraulic control pipeline 45 and control planning and principle of work are identical with off front wheel hydraulic control pipeline 42, and this is no longer going to repeat them.
Preferably, this automobile brake power-assisted and control setup also comprise: the first liquid storage pipeline 46 and the second liquid storage pipeline 47, first liquid storage pipeline 46 is arranged in parallel with off front wheel hydraulic control pipeline 42 and left rear wheel hydraulic control pipeline 43, and the second liquid storage pipeline 47 is arranged in parallel with off hind wheel hydraulic control pipeline 44 and the near front wheel hydraulic control pipeline 45.One end of first liquid storage pipeline 46 is communicated with the liquid outlet of on piston barrel 411, the first end of the first liquid storage pipeline 46 is communicated with the first hydraulic tubing switch B port 425 and the second hydraulic tubing switch B port 435, namely when step-down, highly pressurised liquid in off front wheel hydraulic control pipeline 42 can be passed through the first hydraulic tubing switch B port 425 and enters in the first liquid storage pipeline 46, and the highly pressurised liquid in left rear wheel hydraulic control pipeline 43 can be passed through the second hydraulic tubing switch B port 435 and enters in the first liquid storage pipeline 46.Similarly, the first end of the second liquid storage pipeline 47 is communicated with another liquid outlet on piston barrel 411, second end of the second liquid storage pipeline 47 is communicated with the 3rd hydraulic tubing switch B port 445 and the 4th hydraulic tubing switch B port 455, when step-down, highly pressurised liquid in off hind wheel hydraulic control pipeline 44 can be passed through the 3rd hydraulic tubing switch B port 445 and enters in the second liquid storage pipeline 47, and the highly pressurised liquid in the near front wheel hydraulic control pipeline 45 can be passed through the 4th hydraulic tubing switch B port 455 and enters in the second liquid storage pipeline 47.First liquid storage pipeline 46 comprises the 6th check valve 461, first Hydraulic Pump 462, the 7th check valve 463 and the first fluid reservoir the 464, six check valve 461 that set gradually and is communicated with the liquid outlet of piston mechanism 41.Second liquid storage pipeline 47 comprises the 8th check valve 471, second Hydraulic Pump 472, the 9th check valve 473 and the second fluid reservoir the 474, eight check valve 471 that set gradually and is communicated with the liquid outlet of piston mechanism 41.First Hydraulic Pump 462 is connected with motor 48 with the second Hydraulic Pump 472 simultaneously.Like this, the highly pressurised liquid that motor 48 drives the first Hydraulic Pump 462 to extract in off front wheel hydraulic control pipeline 42 and left rear wheel hydraulic control pipeline 43 is back in piston mechanism 41, or is input to storage in the first fluid reservoir 464; The highly pressurised liquid that motor 48 drives the second Hydraulic Pump 472 to extract in off hind wheel hydraulic control pipeline 44 and the near front wheel hydraulic control pipeline 45 is back in piston mechanism 41, or is input to storage in the second fluid reservoir 474.
Automobile brake power-assisted of the present invention and control setup principle of work are:
When needs braking (namely stepping on brake pedal), electronic control unit 3 is opened according to signal control first electromagnetic valve 416 received, high pressure gas in high pressure gas holder 2 are entered in piston barrel 411 and promotes piston 412, braking liquid in fluid reservoir 1 enters into the brake cylinder of four wheels respectively by each hydraulic tubing switch A port opened in four bus wheel hydraulic control pipelines, thus generation braking force makes car load brake.Wherein, the flow path of braking liquid is see the direction indication of arrow in Fig. 2.
When needs are in continuous braking state (namely brake boost and control setup are at pressurize mode of operation), electronic control unit 3 controls the first electromagnetic valve 416 and closes, the high pressure gas in high pressure gas holder 2 are made no longer to enter in piston barrel 411, and electronic control unit 3 controls the A port that the second electromagnetic valve 423, the 3rd electromagnetic valve 433, the 4th electromagnetic valve 443 and the 5th electromagnetic valve 453 close residing hydraulic tubing switch separately respectively accordingly, high-pressure brake liquid is enclosed in brake piping, thus makes the brake-pressure in brake piping keep a steady state value.Wherein, braking liquid flow path is see the direction indication of arrow in Fig. 2.
When loosen the brake (namely brake boost and control setup are at step-down mode of operation), first electromagnetic valve 416 is closed, second electromagnetic valve 423, 3rd electromagnetic valve 433, 4th electromagnetic valve 443 and the 5th electromagnetic valve 453 close the A port of residing hydraulic tubing switch separately respectively accordingly, open the B port of residing hydraulic tubing switch separately, high pressure gas in piston barrel 411 are withdrawn in high pressure gas holder 2 by air pump 418, braking liquid in brake piping is pumped back in fluid reservoir 1 and the first fluid reservoir 464 or the second fluid reservoir 474 by the first Hydraulic Pump 462 and the second Hydraulic Pump 472, thus reach the object reducing hydraulic pressure in brake piping.Wherein, braking liquid flow path is see the direction indication of arrow in Fig. 2.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an automobile brake power-assisted and control setup, it is characterized in that, described device comprises: fluid reservoir (1), high pressure gas holder (2), electronic control unit (3) and power-assisted and control unit (4), and described power-assisted and control unit (4) have piston mechanism (41) and four bus wheel hydraulic control pipeline;
Described piston mechanism (41) takes turns hydraulic control pipeline connection with described fluid reservoir (1), described high pressure gas holder (2) and described four bus respectively, and described electronic control unit (3) is taken turns hydraulic control pipeline circuit with described piston mechanism (41) and described four bus respectively and is connected;
Described piston mechanism (41) comprises piston barrel (411), piston (412) and piston return spring (413), described piston barrel (411) is communicated with described fluid reservoir (1) on sidewall, described piston barrel (411) is communicated with described high pressure gas holder (2) on the first diapire, and described piston return spring (413) is arranged between the second diapire of described piston (412) and described piston barrel (411).
2. automobile brake power-assisted according to claim 1 and control setup, it is characterized in that, described piston mechanism (41) has induction tract (414) and pump-line (415) with the connecting pipe of described high pressure gas holder (2), described induction tract (414) is provided with the first electromagnetic valve (416), described pump-line (415) is provided with the first check valve (417) and air pump (418).
3. automobile brake power-assisted according to claim 2 and control setup, it is characterized in that, described four bus wheel hydraulic control pipelines comprise off front wheel hydraulic control pipeline (42), left rear wheel hydraulic control pipeline (43), off hind wheel hydraulic control pipeline (44) and the near front wheel hydraulic control pipeline (45), described off front wheel hydraulic control pipeline (42), described left rear wheel hydraulic control pipeline (43), described off hind wheel hydraulic control pipeline (44) is connected with corresponding brake wheel cylinder respectively with described the near front wheel hydraulic control pipeline (45).
4. automobile brake power-assisted according to claim 3 and control setup, it is characterized in that, described off front wheel hydraulic control pipeline (42) comprises the second check valve (421), the first hydraulic tubing switch (422) and the second electromagnetic valve (423), described second check valve (421) and described first hydraulic tubing switch (422) are arranged in parallel on described off front wheel hydraulic control pipeline (42), and described second electromagnetic valve (423) is connected with described electronic control unit (3) circuit;
Described first hydraulic tubing switch (422) has the first hydraulic tubing switch A port (424), the first hydraulic tubing switch B port (425) and the first hydraulic tubing switch pull back spring (426), and described second electromagnetic valve (423) controls the opening and closing that described first hydraulic tubing switch pull back spring (426) realizes described first hydraulic tubing switch (422).
5. automobile brake power-assisted according to claim 4 and control setup, it is characterized in that, described left rear wheel hydraulic control pipeline (43) comprises the 3rd check valve (431), the second hydraulic tubing switch (432) and the 3rd electromagnetic valve (433), described 3rd check valve (431) and described second hydraulic tubing switch (432) are arranged in parallel on described left rear wheel hydraulic control pipeline (43), and described 3rd electromagnetic valve (433) is connected with described electronic control unit (3) circuit;
Described second hydraulic tubing switch (432) has the second hydraulic tubing switch A port (434), the second hydraulic tubing switch B port (435) and the second hydraulic tubing switch pull back spring (436), and described 3rd electromagnetic valve (433) controls the opening and closing that described second hydraulic tubing switch pull back spring (436) realizes described second hydraulic tubing switch (432).
6. automobile brake power-assisted according to claim 5 and control setup, it is characterized in that, described off hind wheel hydraulic control pipeline (44) comprises the 4th check valve (441), the 3rd hydraulic tubing switch (442) and the 4th electromagnetic valve (443), described 4th check valve (441) and described 3rd hydraulic tubing switch (442) are arranged in parallel on described off hind wheel hydraulic control pipeline (44), and described 4th electromagnetic valve (443) is connected with described electronic control unit (3) circuit;
Described 3rd hydraulic tubing switch (442) has the 3rd hydraulic tubing switch A port (444), the 3rd hydraulic tubing switch B port (445) and the 3rd hydraulic tubing switch pull back spring (446), and described 4th electromagnetic valve (443) controls the opening and closing that described 3rd hydraulic tubing switch pull back spring (446) realizes described 3rd hydraulic tubing switch (442).
7. automobile brake power-assisted according to claim 6 and control setup, it is characterized in that, described the near front wheel hydraulic control pipeline (45) comprises the 5th check valve (451), the 4th hydraulic tubing switch (452) and the 5th electromagnetic valve (453), described 5th check valve (451) and described 4th hydraulic tubing switch (452) are arranged in parallel on described the near front wheel hydraulic control pipeline (45), and described 5th electromagnetic valve (453) is connected with described electronic control unit (3) circuit;
Described 4th hydraulic tubing switch (452) has the 4th hydraulic tubing switch A port (454), the 4th hydraulic tubing switch B port (455) and the 4th hydraulic tubing switch pull back spring (456), and described 5th electromagnetic valve (453) controls the opening and closing that described 4th hydraulic tubing switch pull back spring (456) realizes described 4th hydraulic tubing switch (452).
8. automobile brake power-assisted according to claim 7 and control setup, is characterized in that, described electronic control unit (3) is connected with brake pedal (5) circuit of automobile.
9. automobile brake power-assisted according to claim 8 and control setup, it is characterized in that, described device also comprises: the first liquid storage pipeline (46) and the second liquid storage pipeline (47), described first liquid storage pipeline (46) is arranged in parallel with described off front wheel hydraulic control pipeline (42) and described left rear wheel hydraulic control pipeline (43), and described second liquid storage pipeline (47) is arranged in parallel with described off hind wheel hydraulic control pipeline (44) and described the near front wheel hydraulic control pipeline (45);
Described first liquid storage pipeline (46) comprises the 6th check valve (461), the first Hydraulic Pump (462), the 7th check valve (463) and the first fluid reservoir (464) that set gradually, and described 6th check valve (461) is communicated with the liquid outlet of described piston mechanism (41);
Described second liquid storage pipeline (47) comprises the 8th check valve (471), the second Hydraulic Pump (472), the 9th check valve (473) and the second fluid reservoir (474) that set gradually, and described 8th check valve (471) is communicated with the liquid outlet of described piston mechanism (41);
Described first Hydraulic Pump (462) is connected with motor (48) with described second Hydraulic Pump (472) simultaneously.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210490680.0A CN102975706B (en) | 2012-11-27 | 2012-11-27 | Automobile brake boosting and controlling device |
| PCT/CN2013/080570 WO2014082466A1 (en) | 2012-11-27 | 2013-07-31 | Automobile brake boosting and controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210490680.0A CN102975706B (en) | 2012-11-27 | 2012-11-27 | Automobile brake boosting and controlling device |
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| Publication Number | Publication Date |
|---|---|
| CN102975706A CN102975706A (en) | 2013-03-20 |
| CN102975706B true CN102975706B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210490680.0A Active CN102975706B (en) | 2012-11-27 | 2012-11-27 | Automobile brake boosting and controlling device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102975706B (en) |
| WO (1) | WO2014082466A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975706B (en) * | 2012-11-27 | 2015-04-08 | 奇瑞汽车股份有限公司 | Automobile brake boosting and controlling device |
| CN107239069A (en) * | 2017-06-12 | 2017-10-10 | 奇瑞汽车股份有限公司 | A kind of intelligent vehicle line control brake system, brake apparatus and testboard |
| CN108216174B (en) * | 2018-03-09 | 2023-07-28 | 吉林大学 | Redundant dual active supercharging braking system |
| CN113525320B (en) * | 2020-04-13 | 2023-03-03 | 华为技术有限公司 | Hydraulic control unit for a brake system in a motor vehicle, brake system and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149859A (en) * | 1995-02-09 | 1997-05-14 | 大宇电子株式会社 | 3-position-3-way solenoid valve |
| CN1155867A (en) * | 1994-09-28 | 1997-07-30 | 大宇电子株式会社 | 3-position 3-way solenoid valve |
| CN1161290A (en) * | 1995-12-26 | 1997-10-08 | 株式会社电装 | Brake control apparatus for vehicle |
| CN101039829A (en) * | 2004-10-15 | 2007-09-19 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake system for motor vehicles |
| CN102099232A (en) * | 2008-06-26 | 2011-06-15 | 由美国环境保护署署长代表的美利坚合众国政府 | On-demand power brake system and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0742766B1 (en) * | 1994-01-20 | 1998-05-27 | ITT Automotive Europe GmbH | Hydraulic brake system with slip control |
| FR2818944B1 (en) * | 2001-01-02 | 2003-06-27 | Bosch Gmbh Robert | HYDRAULIC BRAKING SYSTEM FOR VEHICLE COMPRISING AN ACTIVE SIMULATOR |
| CN101941430B (en) * | 2010-07-05 | 2013-01-02 | 清华大学 | Hydraulic braking system of four-wheel driven electric vehicle |
| CN101947952A (en) * | 2010-08-24 | 2011-01-19 | 上海奕洁汽车科技有限公司 | Automobile brake system |
| CN201970988U (en) * | 2011-04-01 | 2011-09-14 | 九江学院 | Vibration energy double-boosting automobile hydraulic brake system |
| CN102267450B (en) * | 2011-05-05 | 2015-07-15 | 浙江师范大学 | Electro-hydraulic control type braking power assisting device |
| CN102975706B (en) * | 2012-11-27 | 2015-04-08 | 奇瑞汽车股份有限公司 | Automobile brake boosting and controlling device |
-
2012
- 2012-11-27 CN CN201210490680.0A patent/CN102975706B/en active Active
-
2013
- 2013-07-31 WO PCT/CN2013/080570 patent/WO2014082466A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155867A (en) * | 1994-09-28 | 1997-07-30 | 大宇电子株式会社 | 3-position 3-way solenoid valve |
| CN1149859A (en) * | 1995-02-09 | 1997-05-14 | 大宇电子株式会社 | 3-position-3-way solenoid valve |
| CN1161290A (en) * | 1995-12-26 | 1997-10-08 | 株式会社电装 | Brake control apparatus for vehicle |
| CN101039829A (en) * | 2004-10-15 | 2007-09-19 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake system for motor vehicles |
| CN102099232A (en) * | 2008-06-26 | 2011-06-15 | 由美国环境保护署署长代表的美利坚合众国政府 | On-demand power brake system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014082466A1 (en) | 2014-06-05 |
| CN102975706A (en) | 2013-03-20 |
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