CN105035054A - Electro-hydraulic braking system for automobile and method for using electro-hydraulic braking system - Google Patents
Electro-hydraulic braking system for automobile and method for using electro-hydraulic braking system Download PDFInfo
- Publication number
- CN105035054A CN105035054A CN201510359552.6A CN201510359552A CN105035054A CN 105035054 A CN105035054 A CN 105035054A CN 201510359552 A CN201510359552 A CN 201510359552A CN 105035054 A CN105035054 A CN 105035054A
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- automobile
- electro
- hydraulic
- brake cylinder
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses an electro-hydraulic braking system for an automobile and a method for using the electro-hydraulic braking system, and belongs to the field of automobiles. The electro-hydraulic braking system for the automobile comprises an electric hydraulic pump, a brake master cylinder and an oil storage tank, wherein the electric hydraulic pump is controlled by an electronic control unit of the automobile; one end of the electric hydraulic pump is connected with the oil storage tank; the other end of the electric hydraulic pump is connected with the brake master cylinder. According to the electro-hydraulic braking system for the automobile and the method for using the electro-hydraulic braking system, provided by the invention, automatic brake can be realized when an obstacle in front of the automobile is detected, and the automobile is enabled to recover the driving when the front obstacle is removed; when a braking force of the electro-hydraulic braking system for the automobile is insufficient, a brake pedal can be artificially treated to realize human intervention; according to the design of the braking system for the automobile and the method for using the electro-hydraulic braking system, provided by the invention, the safety of persons in the automobile in the driving process is guaranteed.
Description
Technical field
The present invention relates to automotive field, particularly for automobile electro-hydraulic brake system and use its method.
Background technology
In recent years, along with socioeconomic development, automobile becomes the main walking-replacing tool of people gradually, and safe driving also becomes the focus of people's growing interest.
Due in the process of moving, chaufeur keeps anchor for a long time, poor blood circulation easily cause visual fatigue, slow in reacting, drive the phenomenons such as dumb, once there is emergency situations, then cannot make correct judgement and reply immediately.
Realizing in process of the present invention, contriver finds that prior art at least exists following problem: when automobile in the process of moving, chaufeur find front there is emergency situations and can not take in time braking, easily cause the generation of safety misadventure.
Therefore, necessary provide a kind of can autobrake the electro-hydraulic brake system for automobile and use its method.
Summary of the invention
In order to solve at least one aspect of the above-mentioned problems in the prior art and defect, the invention provides a kind of electro-hydraulic brake system for automobile and using its method.Described technical scheme is as follows:
An object of the present invention is to provide a kind of electro-hydraulic brake system for automobile.
An also object of the present invention there is provided the method for a kind of use for the electro-hydraulic brake system of automobile.
According to an aspect of the present invention, provide a kind of electro-hydraulic brake system for automobile, this electro-hydraulic brake system comprises electric hydraulic pump, master brake cylinder and petrol storage tank, described electric hydraulic pump is controlled by the electronic control unit of automobile, and one end of described electric hydraulic pump is connected with described petrol storage tank, the other end of described electric hydraulic pump is connected with described master brake cylinder
When autobrake, described electronic control unit controls described electric hydraulic pump sucking-off hydraulic oil from described petrol storage tank, by described electric hydraulic pump, described hydraulic oil is delivered to described master brake cylinder to realize autobrake afterwards.
Further, described master brake cylinder comprises the first cavity and the second cavity that are arranged side by side each other, and described first cavity is connected with the front brake cylinder of automobile, and described second cavity is connected with the rear brake cylinder of automobile,
Described electric hydraulic pump is provided with Hydraulic Pump oil inlet, the first Hydraulic Pump oil outlet and the second Hydraulic Pump oil outlet, described Hydraulic Pump oil inlet is connected with described petrol storage tank, first Hydraulic Pump oil outlet is communicated with described first cavity by the first oil inlet, and described second Hydraulic Pump oil outlet is communicated with described second cavity by the second oil inlet.
Further, described first cavity is provided with the first oil outlet, described first oil outlet is connected with described front brake cylinder by the first oil outlet pipe, and described second cavity is provided with the second oil outlet, and described second oil outlet is connected with described rear brake cylinder by the second oil outlet pipe.
Further, in described first cavity, be provided with the first catch bar, described first catch bar be provided with first piston, in the second cavity, be provided with the second catch bar, described second catch bar is provided with the second piston, and described first catch bar is connected by adjust bar with the second catch bar.
Further, when autobrake, hydraulic oil in described first cavity promotes first piston and moves and open the first oil outlet simultaneously, and the hydraulic oil in the second cavity promotes the second piston moves and open the second oil outlet simultaneously, hydraulic oil is supplied respectively the front brake cylinder of automobile and rear brake cylinder to realize autobrake;
After end of braking, described electronic control unit controls described electric hydraulic pump reverse operation, hydraulic oil described in sucking-off from described master brake cylinder, and the first piston in described first cavity is resetted and closes the first oil outlet make the second piston reset in described second cavity simultaneously and close the second oil outlet, described hydraulic oil is turned back in described petrol storage tank by described electro-hydraulic pump afterwards.
Further, described electro-hydraulic brake system also comprises:
Vacuum booster, described electric hydraulic pump, master brake cylinder and petrol storage tank are arranged on the side of described vacuum booster, and the first catch bar in described master brake cylinder is connected with described vacuum booster;
Pedal gear, described pedal gear is for artificial braking and be arranged on the opposite side of described vacuum booster,
Control push rod, described control push rod one end is connected with pedal gear, and the other end is connected with vacuum booster,
When manually braking, described pedal gear transfers the pressure in described vacuum booster by described control push rod, pressure is passed to described first catch bar and promotes described first piston and described second piston moves by described vacuum booster afterwards, thus opens the first oil outlet and the second oil outlet finally realizes braking.
Further, described electric hydraulic pump, master brake cylinder and petrol storage tank are fixed on described vacuum booster by stay bearing plate.
Further, described pedal gear comprises brake pedal, pedal arm and pedal support, described brake pedal is fixedly connected with one end of described pedal arm, the other end of described pedal arm is fixedly connected with described pedal support, the top of described pedal arm is also fixedly connected with described control push rod, and described pedal support is fixedly connected on the relative both sides of described vacuum booster respectively with described stay bearing plate.
According to a further aspect in the invention, present invention also offers a kind of method using the above-mentioned electro-hydraulic brake system for automobile, the method comprises the following steps:
(1) speed-slackening signal is passed to electric hydraulic pump by the electronic control unit of automobile, makes electric hydraulic pump sucking-off hydraulic oil be transported to master brake cylinder from petrol storage tank;
(2) hydraulic oil from electric hydraulic pump is transported to the front brake cylinder of automobile and rear brake cylinder by master brake cylinder, realizes autobrake;
(3) after end of braking, vehicle electronic control unit will cancel the signal transmission of braking to electric hydraulic pump, and electric hydraulic pump is sucking-off hydraulic oil from master brake cylinder, and turned back in petrol storage tank by hydraulic oil.
Particularly, described method is further comprising the steps of:
In autobrake inefficacy or when needing manual intervention, apply pressure by pedal gear, described pressure is passed to master brake cylinder and realizes artificial braking.
The beneficial effect of technical scheme provided by the invention is: the electro-hydraulic brake system for automobile provided by the invention and use its method not only can automatically brake when detecting that there is obstacle in front, and can also automatically recover when preceding object is eliminated to travel.And when the braking force of the electro-hydraulic brake system being used for automobile is not enough, can also by manually trampling brake pedal, to realize human intervention.Be used for the electro-hydraulic brake system of automobile by the present invention and use its design of method, having ensured the safety of automobile occupant in the process of moving.
Accompanying drawing explanation
Fig. 1 is the perspective view of the electro-hydraulic brake system for automobile according to an embodiment of the invention;
Fig. 2 is the front elevation of the electro-hydraulic brake system for automobile shown in Fig. 1;
Fig. 3 is the left side view of the electro-hydraulic brake system for automobile shown in Fig. 1;
Fig. 4 is along the cutaway drawing that B-B Linear cut obtains in Fig. 3;
Fig. 5 is along the cutaway drawing that A-A Linear cut obtains in Fig. 2;
Fig. 6 is the back view of the electro-hydraulic brake system for automobile shown in Fig. 1;
Fig. 7 is the diagram of circuit of use according to an embodiment of the invention for the method for the electro-hydraulic brake system of automobile.
Wherein, 100 electro-hydraulic brake systems, 10 electric hydraulic pumps, 11 Hydraulic Pump oil inlets, 12 first Hydraulic Pump oil outlets, 13 second Hydraulic Pump oil outlets, 14 oil suction pipes, 15 first oil inlets, 16 second oil inlets, 20 master brake cylinders, 21 first cavitys, 211 first oil outlets, 212 first oil outlet pipes, 22 second cavitys, 221 second oil outlets, 222 second oil outlet pipes, 30 petrol storage tanks, 41 first catch bars, 42 first pistons, 43 second catch bars, 44 second pistons, 45 retracing springs, 50 vacuum boosters, 60 pedal gears, 61 brake pedals, 62 pedal arms, 63 pedal supports, 70 control push rod, 80 stay bearing plates.
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.
See Fig. 1, it illustrates the electro-hydraulic brake system 100 for automobile according to an embodiment of the invention.Electro-hydraulic brake system 100 comprises electric hydraulic pump 10, master brake cylinder 20 and petrol storage tank 30.Particularly, electric hydraulic pump 10 is controlled by the electronic control unit ECU (not shown) of automobile, and one end of electric hydraulic pump 10 is connected with petrol storage tank 30, and the other end of electric hydraulic pump 10 is connected with master brake cylinder 20.When autobrake, electronic control unit controls electric hydraulic pump 10 sucking-off hydraulic oil from petrol storage tank 30, by electric hydraulic pump 10, hydraulic oil is delivered to master brake cylinder 20 to realize autobrake afterwards.In an example of the present invention, electric hydraulic pump 10 is by the electronic control unit wired connection of control line and automobile, and they also can be wireless certainly.
Shown in composition graphs 1 to Fig. 3, electric hydraulic pump 10 has Hydraulic Pump oil inlet 11, first Hydraulic Pump oil outlet 12 and the second Hydraulic Pump oil outlet 13.Oil suction pipe 14 is provided with between electric hydraulic pump 10 and petrol storage tank 30, one end of this oil suction pipe 14 connects petrol storage tank 30, other end connecting fluid press pump oil inlet 11, makes the hydraulic oil in petrol storage tank 30 can be transmitted back and forth between petrol storage tank 30 and electric hydraulic pump 10 by oil suction pipe 14.First Hydraulic Pump oil outlet 12 is equipped with the first oil inlet 15, and electric hydraulic pump 10 is connected with master brake cylinder 20 by this first oil inlet 15; Second Hydraulic Pump oil outlet 13 is equipped with the second oil inlet 16, electric hydraulic pump 10 is connected with master brake cylinder 20 by the second oil inlet 16 simultaneously.
Shown in 4 and Fig. 5, in an example of the present invention, master brake cylinder 20 comprises the first cavity 21 and the second cavity 22 be arranged side by side each other.Wherein the first cavity 21 is connected with electric hydraulic pump 10 by the first oil inlet 15, and the second cavity 22 is connected with electric hydraulic pump 10 by the second oil inlet 16.
First cavity 21 has the first oil outlet 211, and is equipped with the first oil outlet pipe 212 on the first oil outlet 211, makes the first cavity 21 of master brake cylinder 20 be communicated with the front brake cylinder (not shown) of automobile by the first oil outlet pipe 212 like this.Specifically see Fig. 5, the first piston 42 being provided with the first catch bar 41 and being arranged on the first catch bar 41 in the first cavity 21.When not needing braking, the first oil outlet 211 is closed condition; When autobrake, the first catch bar 41 and first piston 42 are moved, and opens the first oil outlet 211 simultaneously, the hydraulic oil in such first cavity 21 is transported in the front brake cylinder of automobile, to realize autobrake by the first oil outlet pipe 212.
Refer again to Fig. 4, second cavity 22 is provided with the second oil outlet 221, and the second oil outlet pipe 222 is equipped with on the second oil outlet 221, make the second cavity 22 of master brake cylinder 20 be communicated with the rear brake cylinder (not shown) of automobile by the second oil outlet pipe 222 like this.As shown in Figure 5, the second piston 44 being provided with the second catch bar 43 and being arranged on the second catch bar 43 in the second cavity 22.When not needing braking, the second oil outlet 221 is closed condition; When autobrake, the second catch bar 43 and the second piston 44 are moved, and opens the second oil outlet 221 simultaneously, the hydraulic oil in such second cavity 22 is transported in the front brake cylinder of automobile, to realize autobrake by the second oil outlet pipe 222.In an example of the present invention, the first catch bar 41 and the second catch bar 42 are connected to each other by adjust bar, and on the first catch bar 41 and the second catch bar 43, are also provided with the retracing spring 45 for resetting respectively.
The concrete structure of the electro-hydraulic brake system for automobile is further illustrated below by the principle of work describing the electro-hydraulic brake system being used for automobile in detail.
Shown in composition graphs 1 to Fig. 5, when electro-hydraulic brake system work of the present invention, electric hydraulic pump connects car load ECU by control line and detects this vehicle speed signal, and by front detections of radar vehicle front obstacle situation.When this vehicle speed is greater than 0 and front finds obstacle, dangerous exist, the electronic control unit (ECU) of automobile controls electric hydraulic pump, and electric hydraulic pump is started working, and the hydraulic oil in petrol storage tank 30 is entered into electric hydraulic pump 10 by oil suction pipe 14.Electric hydraulic pump 10 will be transported in the first cavity 21 of master brake cylinder 20 by the first oil inlet 15 from a part of hydraulic oil in petrol storage tank 30, to be transported in the second cavity 22 of master brake cylinder 20 by the second oil inlet 16 from another part hydraulic oil in petrol storage tank 30, the pressure now in the first cavity 21 and the second cavity 22 increases gradually along with increasing of hydraulic oil wherein simultaneously.When pressure increase to a certain extent time, the hydraulic oil in the first cavity 21 promotes the first catch bar 41, and the first catch bar 41 drives first piston 42 to move, and compresses the retracing spring 45 that is arranged on the first catch bar 41, and now the first oil outlet 211 is opened; While the first catch bar 41 is pushed, the second catch bar 43 is pushed by the hydraulic oil in the second cavity 22, and drives the second piston 44 to move, and compresses the retracing spring 45 be arranged on the second catch bar 43, and now the second oil outlet 221 is opened.
After the first oil outlet 211 and the second oil outlet 221 are opened, the hydraulic oil in the first cavity 21 is transported in the front brake cylinder of automobile, for the front wheel brake of automobile by the first oil outlet pipe 212; Hydraulic oil simultaneously in the second cavity 22 is transported in the rear brake cylinder of automobile by the second oil outlet 222, for the rear service brake of automobile, so just achieves the autobrake of automobile.
When after end of braking, electronic control unit controls electric hydraulic pump 10 sucking-off hydraulic oil from master brake cylinder 20, make the hydraulic oil counter-flow in master brake cylinder 20 like this, thus make the hydraulic oil of front brake cylinder also counter-flow turn back in the first cavity 21 of master brake cylinder 20, the also counter-flow turning back in the second cavity 22 of master brake cylinder 20 of the hydraulic oil simultaneously in brake cylinder.Due to the reverse operation of electric hydraulic pump 10, the hydraulic oil returned increases gradually, and simultaneously due to the elastic force effect of retracing spring 45, the first catch bar 41 in the first cavity 21 is pushed, and drive first piston 42 move and reset, now the first oil outlet 211 is closed; While the first catch bar 41 is pushed, the second catch bar 43 is also pushed, thus drives the second piston 44 move and reset, and the second oil outlet 221 is closed.
Due to the elastic force effect of retracing spring 45 and the reverse operation of electric hydraulic pump 10, the hydraulic oil in the hydraulic oil in the first cavity 21 and the second cavity 22 is turned back in oil cabinet 30 by electric hydraulic pump 10, oil suction pipe 14.
See Fig. 6, in another example of the present invention, electro-hydraulic brake system 100 also comprises vacuum booster 50, pedal gear 60 and controls push rod 70.At the rear side of vacuum booster 50, described electric hydraulic pump 10, master brake cylinder 20 and petrol storage tank 30 are installed, and the first catch bar 41 in master brake cylinder 20 is connected with vacuum booster 50; The front side of vacuum booster pump 50 is provided with pedal gear 60 and controls push rod 70.In an also embodiment of the present invention, electric hydraulic pump 10, master brake cylinder 20 and petrol storage tank 30 are fixed on vacuum booster 50 by stay bearing plate 80.
Pedal gear 60 comprises brake pedal 61, pedal arm 62 and pedal support 63.Pedal support 63 is fixedly connected with vacuum booster 50, and pedal support 63 and stay bearing plate 80 are fixedly connected on the both sides of vacuum booster 50 respectively.Brake pedal 61 is fixedly connected with one end of pedal arm 62, and the other end of pedal arm 62 is fixedly connected with pedal support 63, is provided with controls push rod 70 at the fulcrum (namely on the top of pedal arm 62) of pedal arm 62.By such design, make when autobrake lost efficacy or in needs manual intervention time, pressure is passed to control push rod 70 by pedal arm 62 by brake pedal 61, control push rod 70 and pressure is passed to the first catch bar 41 by vacuum booster 50, first catch bar 41 drives first piston 42, second catch bar 43 and the second piston 44 to move afterwards, and retracing spring 45 is compressed, open the first oil outlet and the second oil outlet simultaneously.Meanwhile be transported in the front brake cylinder of automobile and rear brake cylinder from the hydraulic oil in petrol storage tank 30 respectively by the first cavity 21 of master brake cylinder 20 and the second cavity 22, realize manually braking.
When end of braking, pressure on pedal gear 60 is removed, the first catch bar 41 now in master brake cylinder 20 and first piston 42 reset under the elastic force effect of retracing spring 45 and the combined action from the spill pressure of the hydraulic oil of front brake cylinder, and the second catch bar 43 and the second piston 44 also reset under the elastic force effect of its retracing spring 45 and the combined action from the spill pressure of the hydraulic oil of rear brake cylinder.
In the process of this reset, close the first oil outlet and the second oil outlet, under the effect of two retracing springs 45, make the hydraulic oil in the hydraulic oil in the first cavity 21 and the second cavity 22 be back in petrol storage tank 30 afterwards.
See Fig. 7, it illustrates the diagram of circuit of use according to an embodiment of the invention for the method for the electro-hydraulic brake system of automobile.Method for the electro-hydraulic brake system of automobile comprises the following steps:
(1) speed-slackening signal is passed to electric hydraulic pump by the electronic control unit of automobile, makes electric hydraulic pump sucking-off hydraulic oil be transported to master brake cylinder from petrol storage tank;
(2) hydraulic oil from electric hydraulic pump is transported to the front brake cylinder of automobile and rear brake cylinder by master brake cylinder, realizes autobrake;
(3) after end of braking, Auto Electronic Controlled System will cancel the signal transmission of braking to electric hydraulic pump, and electric hydraulic pump is sucking-off hydraulic oil from master brake cylinder, and be transported in petrol storage tank.
In an example of the present invention, in autobrake inefficacy or when needing manual intervention, apply pressure by pedal gear, pressure is passed to master brake cylinder and realizes artificial braking.
Particularly, when electro-hydraulic brake system work of the present invention, electric hydraulic pump connects car load ECU by control line and detects this vehicle speed signal, and by front detections of radar vehicle front obstacle situation, when this vehicle speed is greater than 0 and front finds obstacle, dangerous exist, electric hydraulic pump is started working, by the hydraulic oil in petrol storage tank by oil suction pipe sucking-off, pass through again the first oil inlet and the second oil inlet enters braking master cylinder fuel inlet mouth respectively, fluid flows through master brake cylinder and separates two-way, enter front brake pipe and rear brake line respectively, output to front and back brake cylinder, realize braking, when this vehicle speed equal 0 and front clear time, dangerous disappear, electric hydraulic pump is oppositely started working, and fluid returns in petrol storage tank by brake cylinder, oil pipe, master brake cylinder and electric hydraulic pump, and braking departs from.
The beneficial effect of technical scheme provided by the invention is: the electro-hydraulic brake system for automobile provided by the invention and use its method not only can automatically brake when detecting that there is obstacle in front, and can also automatically recover when preceding object is eliminated to travel.And when the braking force of the electro-hydraulic brake system being used for automobile is not enough, can also by manually trampling brake pedal, to realize human intervention.Be used for the electro-hydraulic brake system of automobile by the present invention and use its design of method, having ensured the safety of automobile occupant in the process of moving.
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 (10)
1., for an electro-hydraulic brake system for automobile, it is characterized in that,
Described electro-hydraulic brake system comprises electric hydraulic pump, master brake cylinder and petrol storage tank, described electric hydraulic pump is controlled by the electronic control unit of automobile, and one end of described electric hydraulic pump is connected with described petrol storage tank, the other end of described electric hydraulic pump is connected with described master brake cylinder
When autobrake, described electronic control unit controls described electric hydraulic pump sucking-off hydraulic oil from described petrol storage tank, by described electric hydraulic pump, described hydraulic oil is delivered to described master brake cylinder to realize autobrake afterwards.
2. the electro-hydraulic brake system for automobile according to claim 1, is characterized in that,
Described master brake cylinder comprises the first cavity and the second cavity that are arranged side by side each other, and described first cavity is connected with the front brake cylinder of automobile, and described second cavity is connected with the rear brake cylinder of automobile,
Described electric hydraulic pump is provided with Hydraulic Pump oil inlet, the first Hydraulic Pump oil outlet and the second Hydraulic Pump oil outlet, described Hydraulic Pump oil inlet is connected with described petrol storage tank, first Hydraulic Pump oil outlet is communicated with described first cavity by the first oil inlet, and described second Hydraulic Pump oil outlet is communicated with described second cavity by the second oil inlet.
3. the electro-hydraulic brake system for automobile according to claim 2, is characterized in that,
Described first cavity is provided with the first oil outlet, and described first oil outlet is connected with described front brake cylinder by the first oil outlet pipe, and described second cavity is provided with the second oil outlet, and described second oil outlet is connected with described rear brake cylinder by the second oil outlet pipe.
4. the electro-hydraulic brake system for automobile according to Claims 2 or 3, is characterized in that,
The first catch bar is provided with in described first cavity, described first catch bar is provided with first piston, in the second cavity, be provided with the second catch bar, described second catch bar is provided with the second piston, described first catch bar is connected by adjust bar with the second catch bar.
5. the electro-hydraulic brake system for automobile according to claim 4, is characterized in that,
When autobrake, hydraulic oil in described first cavity promotes first piston and moves and open the first oil outlet simultaneously, and the hydraulic oil in the second cavity promotes the second piston moves and open the second oil outlet simultaneously, hydraulic oil is supplied respectively the front brake cylinder of automobile and rear brake cylinder to realize autobrake;
After end of braking, described electronic control unit controls described electric hydraulic pump reverse operation, hydraulic oil described in sucking-off from described master brake cylinder, and the first piston in described first cavity is resetted and closes the first oil outlet make the second piston reset in described second cavity simultaneously and close the second oil outlet, described hydraulic oil is turned back in described petrol storage tank by described electro-hydraulic pump afterwards.
6. the electro-hydraulic brake system for automobile according to claim 4, is characterized in that,
Described electro-hydraulic brake system also comprises:
Vacuum booster, described electric hydraulic pump, master brake cylinder and petrol storage tank are arranged on the side of described vacuum booster, and the first catch bar in described master brake cylinder is connected with described vacuum booster;
Pedal gear, described pedal gear is for artificial braking and be arranged on the opposite side of described vacuum booster;
Control push rod, described control push rod one end is connected with pedal gear, and the other end is connected with vacuum booster;
When manually braking, described pedal gear transfers the pressure in described vacuum booster by described control push rod, pressure is passed to described first catch bar and promotes described first piston and described second piston moves by described vacuum booster afterwards, thus opens the first oil outlet and the second oil outlet finally realizes braking.
7. the electro-hydraulic brake system for automobile according to claim 6, is characterized in that,
Described electric hydraulic pump, master brake cylinder and petrol storage tank are fixed on described vacuum booster by stay bearing plate.
8. the electro-hydraulic brake system for automobile according to claim 7, is characterized in that,
Described pedal gear comprises brake pedal, pedal arm and pedal support, described brake pedal is fixedly connected with one end of described pedal arm, the other end of described pedal arm is fixedly connected with described pedal support, the top of described pedal arm is also fixedly connected with described control push rod, and described pedal support is fixedly connected on the relative both sides of described vacuum booster respectively with described stay bearing plate.
9. use a method for the electro-hydraulic brake system for automobile according to any one of claim 1-8, the method comprises the following steps:
(1) speed-slackening signal is passed to electric hydraulic pump by the electronic control unit of automobile, makes electric hydraulic pump sucking-off hydraulic oil be transported to master brake cylinder from petrol storage tank;
(2) hydraulic oil from electric hydraulic pump is transported to the front brake cylinder of automobile and rear brake cylinder by master brake cylinder, realizes autobrake;
(3) after end of braking, vehicle electronic control unit will cancel the signal transmission of braking to electric hydraulic pump, and electric hydraulic pump is sucking-off hydraulic oil from master brake cylinder, and turned back in petrol storage tank by hydraulic oil.
10. use according to claim 9 is used for the method for the electro-hydraulic brake system of automobile, and it is characterized in that, described method is further comprising the steps of:
In autobrake inefficacy or when needing manual intervention, apply pressure by pedal gear, described pressure is passed to master brake cylinder and realizes artificial braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510359552.6A CN105035054B (en) | 2015-06-25 | 2015-06-25 | For automobile electro-hydraulic brake system and use its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510359552.6A CN105035054B (en) | 2015-06-25 | 2015-06-25 | For automobile electro-hydraulic brake system and use its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105035054A true CN105035054A (en) | 2015-11-11 |
| CN105035054B CN105035054B (en) | 2018-08-14 |
Family
ID=54442191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510359552.6A Active CN105035054B (en) | 2015-06-25 | 2015-06-25 | For automobile electro-hydraulic brake system and use its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105035054B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111422188A (en) * | 2020-04-09 | 2020-07-17 | 江苏盛海智能科技有限公司 | Unmanned automobile braking structure and braking method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038541A1 (en) * | 2001-08-22 | 2003-02-27 | Motoshi Suzuki | Electronic brake system without pump unit |
| CN1958358A (en) * | 2005-11-03 | 2007-05-09 | 傅建中 | Electrical controlled brake of traveling crane |
| CN201721440U (en) * | 2010-07-14 | 2011-01-26 | 清华大学 | Vacuum pump brake system for self-adaptive electric vehicle |
| CN201856750U (en) * | 2010-10-28 | 2011-06-08 | 常熟理工学院 | Actuating mechanism of automatic brake device for motor vehicle |
| CN102892650A (en) * | 2010-03-31 | 2013-01-23 | 株式会社爱德克斯 | Vehicle brake device |
| CN103303281A (en) * | 2012-03-14 | 2013-09-18 | 浙江万向精工有限公司 | Integrated brake-by-wire system |
-
2015
- 2015-06-25 CN CN201510359552.6A patent/CN105035054B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038541A1 (en) * | 2001-08-22 | 2003-02-27 | Motoshi Suzuki | Electronic brake system without pump unit |
| CN1958358A (en) * | 2005-11-03 | 2007-05-09 | 傅建中 | Electrical controlled brake of traveling crane |
| CN102892650A (en) * | 2010-03-31 | 2013-01-23 | 株式会社爱德克斯 | Vehicle brake device |
| CN201721440U (en) * | 2010-07-14 | 2011-01-26 | 清华大学 | Vacuum pump brake system for self-adaptive electric vehicle |
| CN201856750U (en) * | 2010-10-28 | 2011-06-08 | 常熟理工学院 | Actuating mechanism of automatic brake device for motor vehicle |
| CN103303281A (en) * | 2012-03-14 | 2013-09-18 | 浙江万向精工有限公司 | Integrated brake-by-wire system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111422188A (en) * | 2020-04-09 | 2020-07-17 | 江苏盛海智能科技有限公司 | Unmanned automobile braking structure and braking method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105035054B (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107031597B (en) | Integrated electronic hydraulic braking system and method | |
| CN104943672A (en) | Hydraulic brake system and method with double hydraulic cylinder four-wheel failure backup | |
| CN106627544B9 (en) | Electric automobile brake control integrated system and control method thereof | |
| CN109941253B (en) | Double-loop autonomous braking system with failure redundancy function and braking method | |
| CN111231922B (en) | Decoupling type electro-hydraulic brake system with safety redundancy | |
| CN103950445A (en) | Hydraulic double-motor driving electronic hydraulic braking system | |
| CN113147704B (en) | Vehicle brake-by-wire system and braking method thereof | |
| CN105667484A (en) | Wire control brake system driven by two fully decoupled motors | |
| CN103950442B (en) | The mechanical electronic brake fluid system of adjustable lever fulcrum | |
| CN102470841A (en) | Hydraulic vehicle brake system, vehicle equipped with such a brake system, and method for operating a hydraulic vehicle brake system | |
| CN105035054A (en) | Electro-hydraulic braking system for automobile and method for using electro-hydraulic braking system | |
| DE102014206123A1 (en) | Hydrostatic traction drive in closed hydraulic circuit and method for controlling the hydrostatic drive | |
| CN104648367A (en) | Fully-decoupled electric-liquid compound braking system | |
| CN205311586U (en) | Two motor drive's of full decoupling drive -by -wire braking system | |
| CN109649358B (en) | Hydraulic control system for automatic braking of automobile and automobile with hydraulic control system | |
| CN205524208U (en) | Electronic round of hydraulic pressure of drive -by -wire for car parking braking system of all wheel steering | |
| CN107487307A (en) | A kind of Vehicular brake device and its vehicle | |
| CN204870978U (en) | Hydraulic braking system with two pneumatic cylinder four -wheels lost efficacy sparely | |
| CN201872741U (en) | Hydraulic control type automobile auxiliary brake apparatus used for ABS (Anti-skid Brake System) | |
| CN113104014A (en) | Vehicle full-decoupling electro-hydraulic servo brake device and brake method thereof | |
| CN101962012B (en) | Double brake system of automatic shift automobile | |
| CN108082161B (en) | Bidirectional hydraulic braking system | |
| CN203766737U (en) | Car braking system | |
| CN210971028U (en) | Double-loop autonomous braking system with failure redundancy function | |
| CN201872744U (en) | Hydraulic control type automobile auxiliary brake apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |