WO2023055059A1 - 전자식 브레이크 시스템용 유압블록과 유압조립체 - Google Patents
전자식 브레이크 시스템용 유압블록과 유압조립체 Download PDFInfo
- Publication number
- WO2023055059A1 WO2023055059A1 PCT/KR2022/014527 KR2022014527W WO2023055059A1 WO 2023055059 A1 WO2023055059 A1 WO 2023055059A1 KR 2022014527 W KR2022014527 W KR 2022014527W WO 2023055059 A1 WO2023055059 A1 WO 2023055059A1
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- WO
- WIPO (PCT)
- Prior art keywords
- hydraulic block
- hydraulic
- brake system
- electronic brake
- pump
- Prior art date
Links
- 238000009423 ventilation Methods 0.000 claims description 49
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000544 Gore-Tex Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
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
- B60T13/14—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- 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
-
- 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
-
- 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
-
- 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
- B60T13/74—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 electrical assistance or drive
-
- 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
- B60T13/74—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 electrical assistance or drive
- B60T13/745—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 electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2304/00—Optimising design; Manufacturing; Testing
- B60Y2304/07—Facilitating assembling or mounting
Definitions
- the present invention relates to a hydraulic block and a hydraulic assembly for an electronic brake system, and more particularly, to a hydraulic block and a hydraulic assembly for an electronic brake system for electronically controlling braking pressure in a hydraulic brake system.
- the electronic brake system is intended to effectively prevent the slip phenomenon that can occur during braking, sudden acceleration, or sudden acceleration of a vehicle, and is typically a hydraulic pressure for adjusting the braking hydraulic pressure as well as the booster, master cylinder, and wheel cylinder of the vehicle brake system. It includes an electronic control unit for controlling blocks and hydraulic blocks.
- a plurality of solenoid valves that control the braking hydraulic pressure transmitted to the wheel cylinder side provided on each wheel, a check valve that allows only one-way flow of pressurized medium, and a motor A pump driven by the
- a plurality of valve accommodating bores, pump accommodating bores and motor accommodating bores, connection ports for connection with master cylinders and wheel cylinders are machined in order to install a plurality of parts compactly.
- a plurality of flow passages connected to each connection port and receiving bore to guide the direction of hydraulic flow are processed in the hydraulic block.
- a reservoir, a motor, a master cylinder, an electronic control unit, a wheel cylinder, etc. are mounted on the hydraulic block to form a hydraulic assembly. Since the size of the hydraulic assembly increases as various parts are mounted on the hydraulic block, the internal structure of the hydraulic block must be compact to reduce the weight and minimize the size.
- the present embodiment is intended to provide a hydraulic block for an electronic brake system capable of optimizing the size of the hydraulic block by utilizing unused space in the hydraulic block.
- the present embodiment is intended to provide a hydraulic block for an electronic brake system that prevents function degradation and loss of function of the motor by relieving the internal pressure of the motor.
- the present embodiment is intended to provide a hydraulic block for an electronic brake system that improves packaging and assembly in a compact arrangement.
- the hydraulic block for an electronic brake system having a plurality of valves and a flow path for adjusting braking hydraulic pressure supplied to a plurality of wheel cylinders
- the hydraulic block is provided in front of the hydraulic block to supply hydraulic pressure.
- a pump receiving bore for accommodating a pump;
- a master cylinder accommodating bore provided on a first side surface of the hydraulic block and accommodating a master cylinder therein; a plurality of wheel cylinder connection ports provided on the front of the hydraulic block and communicating with the plurality of wheel cylinders; and a reservoir connection port provided on a second side surface of the hydraulic block and communicating with a reservoir storing a pressurized medium, wherein at least one wheel cylinder connection port among the plurality of wheel cylinder connection ports is of the pump receiving bore.
- a hydraulic block for an electronic brake system may be provided in which the left or right side is arranged in a vertical direction, and the remaining wheel cylinder connection ports are arranged in a left or right direction above or below the pump receiving bore.
- the hydraulic block may be provided with a hydraulic block for an electronic brake system further comprising a plurality of reservoir fastening grooves respectively provided on the second side surface of the hydraulic block and the upper surface of the hydraulic block to mount the reservoir.
- the reservoir connection port may be provided in a hydraulic block for an electronic brake system disposed on an upper side on a second side surface of the hydraulic block.
- a hydraulic block for an electronic brake system may be provided in which the pump accommodating bore is provided at a lower side on the front side of the hydraulic block, and the master cylinder accommodating bore is provided at an upper side on a first side surface of the hydraulic block.
- At least one wheel cylinder connection port among the plurality of wheel cylinder connection ports is disposed on the upper side of the master cylinder accommodating bore in a left and right direction, and the remaining wheel cylinder connection ports are arranged in an up and down direction on the left or right side of the pump accommodating bore.
- a hydraulic block for an electronic brake system may be provided.
- a hydraulic block for an electronic brake system may be provided with a plurality of reservoir connection ports, some of which are disposed above the master cylinder accommodating bore, and some of which are disposed below the master cylinder accommodating bore.
- a hydraulic block for an electronic brake system may be provided in which the pump accommodating bore is provided on an upper side on the front surface of the hydraulic block, and the master cylinder accommodating bore is provided on a lower side on a first side surface of the hydraulic block.
- At least one wheel cylinder connection port among the plurality of wheel cylinder connection ports is arranged in a left-right direction on the lower side of the master cylinder accommodating bore, and the remaining wheel cylinder connection ports are arranged in a vertical direction on the left or right side of the pump accommodating bore.
- a hydraulic block for an electronic brake system may be provided.
- a pump accommodating bore provided in front of the hydraulic block and accommodating a pump supplying hydraulic pressure ;
- a motor mounted on the front of the hydraulic block and including a drive unit for providing power to the pump and a cover unit surrounding the drive unit;
- a ventilation part formed through the hydraulic block, provided separately from the pump receiving bore, and including a ventilation passage having one side communicating with the inside of the cover part and the other side communicating with the side of the hydraulic block.
- a hydraulic block may be provided.
- the ventilation unit may be provided with a hydraulic block for an electronic brake system including an external ventilation hole formed at an end of the ventilation passage and a filter inserted into the external ventilation hole.
- the ventilation unit may be provided with a hydraulic block for an electronic brake system further comprising a stopper that is press-fitted to the outer ventilation hole to fix the filter to the outer ventilation hole and has at least one hole communicating with the filter. .
- the ventilation passage is provided on one surface of the hydraulic block and has a first ventilation passage having one side communicating with the inside of the motor and formed perpendicularly to the first ventilation passage so that one side communicates with the first ventilation passage and the other side communicates with the first ventilation passage.
- a hydraulic block for an electronic brake system including a second ventilation passage communicating with a side surface of the hydraulic block may be provided.
- a hydraulic assembly for an electronic brake system including an electronic control unit mounted on a rear surface of the hydraulic block to control the plurality of valves and the motor and having a connector formed may be provided.
- a hydraulic assembly for an electronic brake system may be provided in which the master cylinder is disposed on the upper side of the first side of the hydraulic block and the motor is disposed on the lower side on the front surface of the hydraulic block.
- the electronic control unit may be provided with a hydraulic assembly for an electronic brake system mounted such that the connector is disposed upward.
- a hydraulic assembly for an electronic brake system may be provided in which the master cylinder is disposed on the upper side of the first side of the hydraulic block and the motor is disposed on the lower side on the front surface of the hydraulic block.
- the electronic control unit may be provided with a hydraulic assembly for an electronic brake system mounted such that the connector is disposed downward.
- the hydraulic block for an electronic brake system has an effect of optimizing the size of the hydraulic block by utilizing unused space in the hydraulic block.
- the hydraulic block for an electronic brake system has an effect of preventing function degradation and loss of function of the motor by relieving internal pressure of the motor.
- the hydraulic block for an electronic brake system has an effect of improving packaging and assemblability in a compact arrangement.
- FIG. 1 is a perspective view schematically showing a hydraulic block for an electronic brake system according to a first embodiment of the present invention.
- FIG. 2 is a perspective view of a hydraulic block for an electronic brake system according to a first embodiment of the present invention viewed from another direction.
- FIG 3 is a side view of a second side of a hydraulic block for an electronic brake system according to a first embodiment of the present invention.
- FIG. 4 is a cross-sectional view illustrating a cross section A' of FIG. 1 .
- FIG. 5 is an enlarged cutaway perspective view of a ventilation part of a hydraulic block for an electronic brake system according to a first embodiment of the present invention.
- FIG. 6 is a perspective view showing a hydraulic assembly for an electronic brake system according to a first embodiment of the present invention.
- FIG. 7 is a front view showing a hydraulic assembly for an electronic brake system according to a first embodiment of the present invention.
- FIG. 8 is a perspective view schematically illustrating a hydraulic block for an electronic brake system according to a second embodiment of the present invention.
- FIG. 9 is a perspective view showing a hydraulic assembly for an electronic brake system according to a second embodiment of the present invention.
- FIG. 10 is a front view showing a hydraulic assembly for an electronic brake system according to a second embodiment of the present invention.
- FIG. 1 is a perspective view schematically showing a hydraulic block for an electronic brake system according to a first embodiment of the present invention
- FIG. 2 is a perspective view of a hydraulic block for an electronic brake system according to a first embodiment of the present invention viewed from another direction.
- 3 is a side view looking at the second side of the hydraulic block for an electronic brake system according to the first embodiment of the present invention
- FIG. 4 is a cross-sectional view showing the A' section of FIG. 1
- FIG. 1 is an enlarged cutaway perspective view of the ventilating part of the hydraulic block for the electronic brake system according to the first embodiment.
- the hydraulic block 1100 for an electronic brake system is a cubic block having a plurality of bores and connection ports and having a flow path connecting them to each other.
- the hydraulic block 1100 is equipped with a pump (not shown), a motor 1300, a reservoir 1200, a master cylinder 1400, and an electronic control unit 1500 to provide hydraulic pressure.
- An electronic brake system that is formed of the assembly 1000 and implements braking by supplying a pressurized medium to a plurality of wheel cylinders (not shown) can be implemented.
- the hydraulic block 1100 has a cubic body made of metal such as aluminum. Each surface of the hydraulic block 1100 may be provided with a receiving bore for accommodating a plurality of valves, sensors, and the like, although not shown in the drawings.
- the front surface 1110, the rear surface 1160, the upper surface 1150, the lower surface 1140, and the first and second side surfaces 1120 and 1130 suggesting the direction of the hydraulic block 1100 in order to help the understanding of the present invention. is set based on the hydraulic assembly 1000 shown in FIG. 1, but is not limited thereto, and it is understood that the surface showing the direction of the hydraulic block 1100 may change depending on the location where the hydraulic block 1100 is installed. It should be.
- the front surface 1110 of the hydraulic block 1100 includes a pump receiving bore 1112 for accommodating a pump supplying hydraulic pressure, a plurality of wheel cylinder connection ports 1111 for connecting to a plurality of wheel cylinders, and a motor 1300.
- a ventilation part 1170 communicating with the inside to relieve pressure is formed.
- the front face 1110 of the hydraulic block 1100 means a wide surface in the cubic hydraulic block 1100.
- a pump providing pressure of the pressurized medium is installed in the pump receiving bore 1112.
- the pump (not shown) is a power conversion unit (not shown) that converts the rotational motion of the motor 1300 into linear motion, and a hydraulic piston (not shown) that is connected to the power conversion unit (not shown) to advance and retreat and form hydraulic pressure (not shown) and the like.
- the pump receiving bore 1112 is biased to one side on the front face 1110 of the hydraulic block 1100, for example closer to the first side surface 1120 and the lower surface 1140 on the front face 1110 of the hydraulic block 1100. It can be placed in the lower left corner of the map.
- the wheel cylinder connection ports 1111 are provided in the form of a plurality of holes to communicate with wheel cylinders (not shown), are spaced apart from each other on the front surface 1110 of the hydraulic block 1100, and may be provided in two pairs.
- the plurality of wheel cylinder connection ports 1111 at least some 1111a and 1111b are longitudinally arranged in the transverse direction of the pump receiving bore 1112, and the remaining portions 1111c and 1111d are in the longitudinal direction of the pump receiving bore 1112. may be arranged transversely.
- the pump receiving bore 1112 is provided on the lower left side of the front face 1110 of the hydraulic block 1100
- one pair of the plurality of wheel cylinder connection ports 1111c and 1111d are of the pump receiving bore 1112. It can be arranged in the longitudinal direction on the right side, and the other pair (1111a, 1111b) of the plurality of wheel cylinder connection ports can be arranged in the transverse direction at the upper end of the pump receiving bore (1112).
- At least some of the plurality of wheel cylinder connection ports 1111 are disposed transversely on the upper side of the master cylinder accommodating bore 1121 on the front surface 1110 of the hydraulic block 1100, and the other part of the pump accommodating bore 1112 It can be longitudinally arranged in the transverse direction.
- a motor 1300 connected to a pump may be mounted on a front surface 1110 of the hydraulic block 1100 with a plurality of fixing bolts 1310 . Accordingly, a plurality of through holes 1114 for fastening fixing bolts 1310 for fixing the motor 1300 may be provided in the periphery of the pump receiving bore 1112 .
- a motor connector accommodating bore 1113 for accommodating a motor connector may be provided at one side of the pump accommodating bore 1112 on the front surface 1110 of the hydraulic block 1100.
- a ventilation unit 1170 is provided on the front side 1110 of the hydraulic block 1100 to relieve internal pressure of the motor 1300 when the motor 1300 is mounted, and the ventilation unit 1170 is provided in the hydraulic block 1100. It is formed through, but is provided separately from the pump receiving bore 1112.
- Ventilation unit 1170 communicates the inside of the motor 1300 installed on one side of the hydraulic block 1100 with the other side of the hydraulic block 1100, thereby preventing an increase in internal pressure due to heat generation of the driving unit of the motor 1300. can At the same time, the ventilation unit 1170 may prevent the motor 1300 from malfunctioning by including a filter 1174 that allows air flow but prevents liquid flow.
- Ventilation part 1170 has ventilation passages 1171 and 1172 having one side communicating with the inside of motor 1300 and the other side communicating with the outside of hydraulic block 1100, and an extension formed at the ends of ventilation passages 1171 and 1172. It may include an outer ventilation hole 1173, a filter 1174 inserted into the outer ventilation hole 1173, and a stopper 1175 fixing the filter 1174.
- the ventilation passages 1171 and 1172 are formed perpendicular to the first ventilation passage 1171 provided on the front surface 1110 of the hydraulic block 1100 and communicating with the inside of the cover of the motor and the first ventilation passage 1171.
- a second ventilation passage 1172 having one side communicating with the first ventilation passage 1171 and the other communicating with the outside of the hydraulic block 1100 is included. At this time, the other side of the second ventilation passage 1172 is connected to an outer ventilation hole 1173, and the outer ventilation hole may be formed on the lower surface 1140 of the hydraulic block 1100.
- the position of the outer ventilation hole 1173 is not limited to this, and if it communicates with the inside of the motor 1300 of the hydraulic block 1100 to relieve the pressure inside the motor 1300, any side of the hydraulic block 1100 It can also be formed, and it will be understood the same.
- the outer vent hole 1173 is provided as a cylindrical groove extending and formed at the ends of the vent passages 1171 and 1172, and a filter 1174 may be installed therein, and a stopper 1175 may be mounted therein.
- the filter 1174 is provided in a shape corresponding to the outer vent hole 1173 and is installed inside the outer vent hole 1173 .
- the filter 1174 may be provided as a filter that allows air to pass through but blocks fluid.
- the filter 1174 may be provided as a Gore-tex filter or a membrane filter.
- the stopper 1175 may be provided in the form of a pipe cap having at least one hole in communication with the filter at the center thereof, and may be press-fitted to the outer vent hole 1173 or tightly fixed to the inner circumferential surface of the outer vent hole 1173.
- the stopper 1175 may be press-fitted with the filter 1174 installed or seated in the outer ventilation hole 1173 to fix the filter 1174 .
- a master cylinder accommodating bore 1121 accommodating the master cylinder 1400 and a pedal sensor accommodating bore 1122 accommodating a pedal displacement sensor (not shown) are formed on the first side surface 1120 of the hydraulic block 1100.
- a master cylinder 1400 is installed in the master cylinder accommodating bore 1121 to deliver pressurized medium according to the driver's will to brake.
- the master cylinder accommodating bore 1121 is arranged in a direction from the first side surface 1120 to the second side surface 1130, and may be disposed perpendicular to the pump accommodating bore 1112.
- the master cylinder accommodating bore 1121 is biased to one side on the first side surface 1120 of the hydraulic block 1100, but may be disposed so as not to overlap with the pump accommodating bore 1112 described above.
- the master cylinder receiving bore 1121 may be disposed on the upper side closer to the upper surface 1150 on the first side surface 1120 .
- the master cylinder receiving bore 1121 is the upper surface 1150 of the hydraulic block 1100 so that at least one wheel cylinder connection port 1111 can be provided above the master cylinder receiving bore 1121. It can be arranged spaced apart by a certain amount from.
- a pedal sensor accommodating bore 1122 accommodating a pedal displacement sensor is formed on one side of the master cylinder accommodating bore 1121 . At this time, the pedal sensor accommodating bore 1122 may be provided to overlap a part of the master cylinder accommodating bore 1121 .
- a plurality of through holes 1123 for fastening the fixing bolts 1410 for fixing the master cylinder 1400 are provided in the periphery of the master cylinder receiving bore 1121.
- a reservoir connection port 1131 communicating with the reservoir 1200 for storing a pressurized medium is provided on the second side surface 1130 of the hydraulic block 1100. At this time, the reservoir connection port 1131 may be disposed on the upper side of the second side surface 1130 .
- the reservoir connection port 1131 is provided in the form of a plurality of holes to communicate with the reservoir 1200 and may be spaced apart from each other.
- first and second reservoir connection ports connected to the master cylinder 1400 through a separate flow path. (1131a, 1131b) and a third reservoir connection port 1131c connected to the pump through a separate flow path.
- some of the reservoir connection ports 1131a and 1131b may be disposed above the master cylinder accommodating bore 1121, and the remaining part 1131c may be disposed below the master cylinder accommodating bore 1121.
- At least one reservoir fastening groove 1132 for fastening a fixing bolt 1210 for mounting the reservoir 1200 may be provided on the second side surface 1130 of the hydraulic block 1100. At this time, the reservoir fastening groove 1132 may also be provided on the upper surface 1150 of the hydraulic block 1100, whereby the reservoir 1200 can be firmly mounted.
- a receiving bore in which a plurality of valves such as an NO valve and an NC valve may be provided may be provided on the rear surface 1160 of the hydraulic block 1100.
- the hydraulic block 1100 for the electronic brake system of the present invention is a hydraulic block ( The size of the hydraulic block 1100 can be minimized by effectively utilizing the space of the block 1100.
- FIG. 6 is a perspective view showing a hydraulic assembly 1000 for an electronic brake system according to a first embodiment of the present invention
- FIG. 7 is a front view of the hydraulic assembly 1000 for an electronic brake system according to the first embodiment of the present invention ( 1110) is the front view.
- the hydraulic assembly 1000 for an electronic brake system includes a cubic hydraulic block 1100 and a motor 1300 mounted on the hydraulic block 1100. , a reservoir 1200, a master cylinder 1400, and an electronic control unit 1500.
- the motor 1300 is mounted on the front side 1110 of the hydraulic block 1100 at a position corresponding to the pump receiving bore 1112, and may be mounted, for example, biased downward on the front side 1110 of the hydraulic block 1100. there is. At this time, the motor 1300 may be coupled through a plurality of fixing bolts 1310 and mounted on the front surface 1110 of the hydraulic block 1100.
- the motor 1300 is provided to provide power so that a pump (not shown) can generate hydraulic pressure, and is controlled by receiving an electrical signal from the electronic control unit 1500 through a motor connector (not shown).
- the motor 1300 includes a drive unit including a stator and a rotor and providing power to a pump (not shown), and a cover unit covering the outside of the drive unit. At this time, when the motor 1300 is operated, heat is generated in the driving unit and the internal pressure of the cover unit increases. The internal pressure of the motor 1300 can be relieved through the ventilation unit 1170 described above.
- the reservoir 1200 is mounted on the second side surface 1130 of the hydraulic block 1100 at a position corresponding to the reservoir connection port, and is, for example, biased upward on the second side surface 1130 of the hydraulic block 1100 to be mounted.
- the reservoir 1200 is fastened with fixing bolts 1210 and 1220 to a plurality of reservoir fastening grooves 1132 provided on the upper surface 1150 and the second side surface 1130 of the hydraulic block 1100, respectively, so that the hydraulic block 1100 can be mounted on
- the master cylinder 1400 is mounted on the first side surface 1120 of the hydraulic block 1100 at a position corresponding to the master cylinder accommodating bore 1121, for example upward on the first side surface 1120 of the hydraulic block 1100. It can be mounted in a biased arrangement.
- the master cylinder 1400 is a device that delivers a pressurized medium according to the driver's will to brake, an input rod connected to the brake pedal, and a master piston connected to the input rod to be able to move forward and backward in the master chamber and pressurize the pressurized medium.
- the master cylinder 1400 may further include a pedal simulator provided in the master chamber to provide a pedal feel to the driver.
- the electronic control unit 1500 may be mounted on the rear surface 1160 of the hydraulic block 1100 to electronically control a plurality of valves and connectors provided on the rear surface 1160 of the hydraulic block 1100.
- the connector 1510 of the electronic control unit 1500 may be mounted toward the upper surface 1150 of the hydraulic block 1100.
- the hydraulic assembly 1000 for an electronic brake system has an effect of improving the packaging and assembling properties of the hydraulic assembly 1000 by the above-described arrangement relationship.
- Figure 8 is a perspective view schematically showing a hydraulic block for an electronic brake system according to a second embodiment of the present invention
- Figure 9 is a perspective view showing a hydraulic assembly for an electronic brake system according to a second embodiment of the present invention
- Figure 10 is a front view showing a hydraulic assembly for an electronic brake system according to a second embodiment of the present invention.
- the hydraulic block 2100 for an electronic brake system is a cubic block having a plurality of bores and connection ports and having a flow path connecting them to each other.
- a pump providing pressure of the pressurized medium is installed in the pump receiving bore 2112.
- the pump receiving bore 2112 is biased to one side on the front face 2110 of the hydraulic block 2100, for example closer to the first side surface 2120 and upper face 2150 on the front face 2110 of the hydraulic block 2100. It can be placed in the upper left corner of the map.
- the wheel cylinder connection ports 2111 are provided in the form of a plurality of holes to communicate with the wheel cylinders and are spaced apart from each other on the front surface 2110 of the hydraulic block 2100, and may be provided in two pairs.
- At least some of the plurality of wheel cylinder connection ports 2111 may be longitudinally arranged in the transverse direction of the pump receiving bore 2112, and the remaining portions may be arranged transversely in the longitudinal direction of the pump receiving bore 2112.
- the pump receiving bore 2112 is provided on the upper left side of the front face 2110 of the hydraulic block 2100
- one pair of the plurality of wheel cylinder connection ports 2111 is located on the right side of the pump receiving bore 2112. It may be arranged in the longitudinal direction, and another pair of the plurality of wheel cylinder connection ports 2111 may be arranged in the transverse direction at the lower end of the pump receiving bore 2112.
- At least some of the plurality of wheel cylinder connection ports 2111 are disposed transversely on the lower side of the master cylinder receiving bore 2121 on the front face 2110 of the hydraulic block 2100, and the remaining portion of the pump receiving bore 2112 It can be longitudinally arranged in the transverse direction.
- a master cylinder accommodating bore 2121 accommodating the master cylinder is formed on the first side surface 1120 of the hydraulic block 2100.
- a master cylinder 2400 is installed in the master cylinder accommodating bore 2121 to deliver pressurized medium according to the driver's will to brake.
- the master cylinder accommodating bore 2121 is arranged in a direction from the first side surface 2120 to the second side surface 2130, and may be disposed perpendicular to the pump accommodating bore 2112.
- the master cylinder accommodating bore 2121 is deflected to one side on the first side surface 2120 of the hydraulic block 2100, but may be disposed so as not to overlap with the pump accommodating bore 2112 described above.
- the master cylinder receiving bore 2121 may be disposed on the lower side closer to the lower surface 2140 on the first side surface 2120.
- the master cylinder receiving bore 2121 is the lower surface 2140 of the hydraulic block 2100 so that at least one wheel cylinder connection port 2111 can be provided above the master cylinder receiving bore 2121. It can be arranged spaced apart by a certain amount from.
- a reservoir connection port communicating with the reservoir 2200 for storing a pressurized medium is provided on the second side surface 2130 of the hydraulic block 2100. At this time, the reservoir connection port may be disposed on the upper side on the second side surface 2130.
- the reservoir connection port 2131 is provided in the form of a plurality of holes to communicate with the reservoir 2200 and may be spaced apart from each other.
- first and second reservoir connection ports connected to the master cylinder 2400 through a separate flow path. (2131a, 2131b) and a third reservoir connection port 2131c connected to the pump through a separate flow path.
- At least one reservoir fastening groove for fastening a fixing bolt for mounting the reservoir 2200 may be provided on the second side surface 2130 of the hydraulic block 2100. At this time, the reservoir fastening groove may also be provided on the upper surface 2150 of the hydraulic block 2100, whereby the reservoir can be firmly mounted.
- a receiving bore in which a plurality of valves such as an NO valve and an NC valve may be provided may be provided on the rear surface 2160 of the hydraulic block 2100.
- the hydraulic assembly 2000 for an electronic brake system includes a cubic hydraulic block 2100, a motor 2300 mounted on the hydraulic block 2100, a reservoir 2200, and a master cylinder ( 2400), and an electronic control unit 2500.
- the motor 2300 is mounted at a position corresponding to the pump receiving bore 1112 on the front side 2110 of the hydraulic block 2100, and may be mounted biased upwards on the front side 2110 of the hydraulic block 2100, for example. there is. At this time, the motor 1300 may be coupled through a plurality of fixing bolts and mounted on the front side 2110 of the hydraulic block 2100.
- the reservoir 2200 is mounted on the second side surface 2130 of the hydraulic block 2100 at a position corresponding to the reservoir connection port, and is, for example, biased upward on the second side surface 2130 of the hydraulic block 2100 to be mounted.
- the master cylinder 2400 is mounted on the first side surface 2120 of the hydraulic block 2100 at a position corresponding to the master cylinder receiving bore 2121, for example upward on the first side surface 1120 of the hydraulic block 2100. It can be mounted in a biased arrangement.
- the electronic control unit 2500 is mounted on the rear surface 2160 of the hydraulic block 2100 to electronically control a plurality of valves and connectors provided on the rear surface 2160 of the hydraulic block 2100.
- the connector 2510 of the electronic control unit 2500 may be mounted so as to face the lower surface 2140 of the hydraulic block 2100.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Claims (17)
- 복수의 휠 실린더로 공급되는 제동유압의 조절을 위해 복수의 밸브 및 유로를 구비하는 전자식 브레이크 시스템용 유압블록에 있어서,상기 유압블록의 정면에 마련되고, 액압을 공급하는 펌프를 수용하는 펌프 수용보어;상기 유압블록의 제1 측면에 마련되고, 내부에 마스터실린더를 수용하는 마스터실린더 수용보어;상기 유압블록의 정면에 마련되고, 상기 복수의 휠 실린더와 연통되는 복수의 휠 실린더 연결포트; 및상기 유압블록의 제2 측면에 마련되고, 가압매체를 저장하는 리저버와 연통되는 리저버 연결포트;를 포함하고,상기 복수의 휠 실린더 연결포트 중적어도 하나의 휠 실린더 연결포트는 상기 펌프 수용보어의 좌측 또는 우측에 상하 방향으로 배열되고, 나머지 휠 실린더 연결포트는 상기 펌프 수용보어의 상측 또는 하측에 좌우 방향으로 배열되는 전자식 브레이크 시스템용 유압블록.
- 제1항에 있어서,상기 유압블록은상기 리저버를 장착하기 위해 상기 유압블록의 제2 측면과 상기 유압블록의 상면에 각각 구비되는 복수의 리저버 체결홈;을 더 포함하는 전자식 브레이크 시스템용 유압블록.
- 제1항에 있어서,상기 리저버 연결포트는상기 유압블록의 제2 측면 상에서 상측에 배치되는 전자식 브레이크 시스템용 유압블록.
- 제1항에 있어서,상기 펌프 수용보어는상기 유압블록의 정면 상에서 하측에 마련되고,상기 마스터실린더 수용보어는상기 유압블록의 제1 측면 상에서 상측에 마련되는 전자식 브레이크 시스템용 유압블록.
- 제4항에 있어서,상기 복수의 휠 실린더 연결포트 중적어도 하나의 휠 실린더 연결포트는 상기 마스터실린더 수용보어의 상측에 좌우방향으로 배치되고, 나머지 휠 실린더 연결포트는 상기 펌프 수용보어의 좌측 또는 우측에 상하 방향으로 배열되는 전자식 브레이크 시스템용 유압블록.
- 제4항에 있어서,상기 리저버 연결포트는복수 개로 마련되어 일부는 상기 마스터실린더 수용보어의 상측에 배치되고, 나머지 일부는 상기 마스터실린더 수용보어의 하측에 배치되는 전자식 브레이크 시스템용 유압블록.
- 제1항에 있어서,상기 펌프 수용보어는상기 유압블록의 정면 상에서 상측에 마련되고,상기 마스터실린더 수용보어는상기 유압블록의 제1 측면 상에서 하측에 마련되는 전자식 브레이크 시스템용 유압블록.
- 제7항에 있어서,상기 복수의 휠 실린더 연결포트 중적어도 하나의 휠 실린더 연결포트는 상기 마스터실린더 수용보어의 하측에 좌우방향으로 배열되고, 나머지 휠 실린더 연결포트는 상기 펌프 수용보어의 좌측 또는 우측에 상하 방향으로 배열되는 전자식 브레이크 시스템용 유압블록.
- 복수의 휠 실린더로 공급되는 제동유압의 조절을 위해 복수의 밸브 및 유로를 구비하는 전자식 브레이크 시스템용 유압블록에 있어서,상기 유압블록의 정면에 마련되고, 액압을 공급하는 펌프를 수용하는 펌프 수용보어;상기 유압블록의 정면에 장착되고, 상기 펌프로 동력을 제공하는 구동부와 상기 구동부를 감싸는 커버부를 포함하는 모터;상기 유압블록에 관통 형성되되 상기 펌프 수용보어와 분리 마련되고, 일측이 상기 커버부의 내부와 연통되고 타측이 상기 유압블록의 측면으로 연통되는 통기유로를 포함하는 통기부;를 포함하는 전자식 브레이크 시스템용 유압블록.
- 제9항에 있어서,상기 통기부는상기 통기유로의 단부에 확장 형성되는 외측 통기홀과, 상기 외측 통기홀에 삽입되는 필터를 포함하는 전자식 브레이크 시스템용 유압블록.
- 제10항에 있어서,상기 통기부는상기 외측 통기홀에 압입 결합되어 상기 필터를 상기 외측 통기홀에 고정시키고, 상기 필터와 연통하는 적어도 하나의 홀을 구비하는 스토퍼를 더 포함하는 전자식 브레이크 시스템용 유압블록.
- 제9항에 있어서,상기 통기유로는상기 유압블록의 일면에 마련되어 일측이 상기 모터의 내부와 연통하는 제1 통기유로와, 상기 제1 통기유로에 대해 수직하게 형성되어 일측이 상기 제1 통기유로와 연통하고 타측이 상기 유압블록의 측면과 연통하는 제2 통기유로를 포함하는 전자식 브레이크 시스템용 유압블록.
- 복수의 휠 실린더로 공급되는 제동유압의 조절을 위해 복수의 밸브, 유로 및 펌프가 설치되는 유압블록;상기 유압블록의 정면에 장착되어 상기 펌프에 동력을 제공하는 모터;상기 유압블록의 제1 측면에 장착되어 액압을 발생시키는 마스터실린더;상기 유압블록의 제2 측면과 상면에 장착되어 가압매체를 저장하는 리저버;상기 유압블록의 배면에 장착되어 상기 복수의 밸브 및 상기 모터를 제어하고, 커넥터가 형성되는 전자제어유닛;을 포함하는 전자식 브레이크 시스템용 유압조립체.
- 제13항에 있어서,상기 마스터실린더는상기 유압블록의 제1 측면 상에서 상측에 배치되고,상기 모터는상기 유압블록의 정면 상에서 하측에 배치되는 전자식 브레이크 시스템용 유압조립체.
- 제14항에 있어서,상기 전자제어유닛은상기 커넥터가 상측으로 배치되도록 장착되는 전자식 브레이크 시스템용 유압조립체.
- 제13항에 있어서,상기 마스터실린더는상기 유압블록의 제1 측면 상에서 상측에 배치되고,상기 모터는상기 유압블록의 정면 상에서 하측에 배치되는 전자식 브레이크 시스템용 유압조립체.
- 제16항에 있어서,상기 전자제어유닛은상기 커넥터가 하측으로 배치되도록 장착되는 전자식 브레이크 시스템용 유압조립체.
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CN202280065732.1A CN118139770A (zh) | 2021-09-28 | 2022-09-28 | 电子制动系统液压块和液压组件 |
EP22876831.3A EP4410614A1 (en) | 2021-09-28 | 2022-09-28 | Electronic brake system hydraulic block and hydraulic assembly |
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KR1020210128072A KR20230045346A (ko) | 2021-09-28 | 2021-09-28 | 전자식 브레이크 시스템용 유압블록과 유압조립체 |
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Citations (5)
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JP2000278905A (ja) * | 1999-03-26 | 2000-10-06 | Nissin Kogyo Co Ltd | 車両用アンチロックブレーキ装置のポンプ作動用モータの取り付け構造 |
JP2014525875A (ja) * | 2011-08-15 | 2014-10-02 | コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト | ブレーキ操作ユニット |
KR20190029000A (ko) * | 2017-09-11 | 2019-03-20 | 주식회사 만도 | 브레이크 시스템 |
JP2020082871A (ja) * | 2018-11-19 | 2020-06-04 | 株式会社アドヴィックス | ブレーキ操作ユニット |
WO2021164917A1 (de) * | 2020-02-18 | 2021-08-26 | Robert Bosch Gmbh | Hydraulikblock für ein hydraulikaggregat einer hydraulischen fremdkraft-fahrzeugbremsanlage |
Family Cites Families (1)
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DE102007047124A1 (de) | 2007-10-02 | 2009-04-09 | Robert Bosch Gmbh | Hydroaggregat für eine schlupfregelbare hydraulische Fahrzeugbremsanlage |
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2021
- 2021-09-28 KR KR1020210128072A patent/KR20230045346A/ko active Search and Examination
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2022
- 2022-09-28 CN CN202280065732.1A patent/CN118139770A/zh active Pending
- 2022-09-28 EP EP22876831.3A patent/EP4410614A1/en active Pending
- 2022-09-28 WO PCT/KR2022/014527 patent/WO2023055059A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000278905A (ja) * | 1999-03-26 | 2000-10-06 | Nissin Kogyo Co Ltd | 車両用アンチロックブレーキ装置のポンプ作動用モータの取り付け構造 |
JP2014525875A (ja) * | 2011-08-15 | 2014-10-02 | コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト | ブレーキ操作ユニット |
KR20190029000A (ko) * | 2017-09-11 | 2019-03-20 | 주식회사 만도 | 브레이크 시스템 |
JP2020082871A (ja) * | 2018-11-19 | 2020-06-04 | 株式会社アドヴィックス | ブレーキ操作ユニット |
WO2021164917A1 (de) * | 2020-02-18 | 2021-08-26 | Robert Bosch Gmbh | Hydraulikblock für ein hydraulikaggregat einer hydraulischen fremdkraft-fahrzeugbremsanlage |
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CN118139770A (zh) | 2024-06-04 |
KR20230045346A (ko) | 2023-04-04 |
EP4410614A1 (en) | 2024-08-07 |
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