WO2022130118A1 - ブレーキシステム及び鞍乗型車両 - Google Patents
ブレーキシステム及び鞍乗型車両 Download PDFInfo
- Publication number
- WO2022130118A1 WO2022130118A1 PCT/IB2021/061389 IB2021061389W WO2022130118A1 WO 2022130118 A1 WO2022130118 A1 WO 2022130118A1 IB 2021061389 W IB2021061389 W IB 2021061389W WO 2022130118 A1 WO2022130118 A1 WO 2022130118A1
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- WO
- WIPO (PCT)
- Prior art keywords
- control device
- hydraulic pressure
- wheel side
- pressure control
- side hydraulic
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 93
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/02—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
- B62L3/023—Brake-actuating mechanisms; Arrangements thereof for control by a hand lever acting on fluid pressure systems
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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
- 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
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1706—Braking or traction control means specially adapted for particular types of vehicles for single-track vehicles, e.g. motorcycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
Definitions
- the present invention relates to a brake system mounted on a saddle-mounted vehicle and a saddle-mounted vehicle equipped with the brake system.
- a conventional brake system capable of executing anti-lock braking control on both the front wheels and the rear wheels of a saddle-type vehicle may be simply referred to as a conventional brake system.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2 0 1 7 — 1 3 7 3 1 [Summary of the invention]
- the piston of the master cylinder for front wheel braking is pressed by the brake lever, and the piston of the master cylinder for rear wheel braking is pressed by the brake pedal.
- the front wheel braking configuration of the brake system is attached to the handlebar.
- the front wheel braking configuration of the braking system is attached near the end of the handle bar on the side where the brake lever is provided. That is, the front wheel braking configuration of the braking system is biasedly attached to one end of the handlebar.
- the present invention has been made in the background of the above-mentioned problems, and is a brake system capable of executing anti-lock brake control on both the front wheels and the rear wheels of a saddle-mounted vehicle, and is saddle-riding.
- the purpose is to obtain a braking system that can improve the steerability of the type vehicle.
- Another object of the present invention is to obtain a saddle-type vehicle equipped with such a brake system.
- the brake system according to the present invention is a brake system for a saddle-type vehicle capable of controlling the pressure of the brake liquid supplied to the wheel cylinder to execute anti-lock brake control, and is a handle bar.
- the front wheel side hydraulic pressure control device that is attached to the front wheel side braking part and controls the pressure of the brake liquid supplied to the wheel cylinder of the front wheel side braking part, and the wheel of the rear wheel side braking part that is attached to the above-mentioned handle bar.
- a rear wheel side hydraulic pressure control device that controls the pressure of the brake liquid supplied to the cylinder is provided, and both the front wheel side hydraulic pressure control device and the rear wheel side hydraulic pressure control device have the piston of the master cylinder.
- Mastercillin is formed with a piston mounting hole that can be reciprocated and an internal flow path that is a part of the brake fluid flow path that communicates the piston mounting hole and the wheel cylinder. It includes a dar-shaped substrate and a control valve that opens and closes the internal flow path and regulates the pressure of the brake fluid supplied to the wheel cylinder.
- both the front wheel side hydraulic pressure control device and the rear wheel side hydraulic pressure control device provided with the master cylinder body type substrate are attached to the handlebar of the saddle type vehicle. ..
- a hydraulic pressure control device equipped with a master cylinder type substrate is configured such that the piston of the master cylinder is pressed by the brake lever being grasped by the rider's hand. Therefore, when the brake system according to the present invention is mounted on a saddle-mounted vehicle, one of the front wheel side hydraulic pressure control device and the rear wheel side hydraulic pressure control device is on the left hand side grip portion of the handle bar. It will be installed in the surrounding area.
- the other of the front wheel side hydraulic pressure control device and the rear wheel side hydraulic pressure control device will be provided around the right-hand side holding portion of the handlebar. Therefore, in the brake system according to the present invention, when mounted on a saddle-type vehicle, the weight distribution of the attachment to the handlebar in the left-right direction becomes more equal than before, and the steering of the saddle-type vehicle is steered. The sex is improved more than before.
- FIG. 1 is a side view showing a schematic configuration of a bicycle equipped with a brake system according to an embodiment of the present invention.
- FIG. 2 is a plan view showing the periphery of the handlebar of a bicycle equipped with the brake system according to the embodiment of the present invention.
- FIG. 3 is a diagram showing a schematic configuration of a brake system according to an embodiment of the present invention.
- FIG. 4 is a block diagram showing a front wheel side hydraulic pressure control device according to an embodiment of the present invention.
- FIG. 5 is a block diagram showing a rear wheel side hydraulic pressure control device according to an embodiment of the present invention.
- FIG. 6 is a perspective view showing a front wheel side hydraulic pressure control device according to an embodiment of the present invention.
- FIG. 7 is a vertical cross-sectional view of the front wheel side hydraulic pressure control device according to the embodiment of the present invention.
- FIG. 8 is a bottom view showing a substrate of a front wheel side hydraulic pressure control device according to an embodiment of the present invention.
- FIG. 9 is a diagram showing a schematic configuration of a modified example of the brake system according to the embodiment of the present invention.
- FIG. 1 is a block diagram showing a modified example of the brake system according to the embodiment of the present invention.
- FIG. 1 1 is a side view showing a schematic configuration of a bicycle equipped with a modified example of the brake system according to the embodiment of the present invention.
- FIG. 1 2 is a diagram showing a schematic configuration of a modified example of the brake system according to the embodiment of the present invention.
- a bicycle for example, a two-wheeled vehicle, a three-wheeled vehicle, etc.
- the present invention may be adopted for a saddle-mounted vehicle other than a bicycle.
- Saddle-type vehicle means all vehicles that riders straddle and board.
- Other saddle-type vehicles other than bicycles are, for example, motorcycles, tricycles, buggies, etc., which are driven by at least one of an engine and an electric motor.
- Bicycle means all vehicles that can be propelled on the road by the pedaling force applied to the pedal.
- bicycles include ordinary bicycles, electrically power assisted bicycles, and electric bicycles.
- a motorcycle or a motorcycle means a so-called motorcycle, and the motorcycle includes a motorcycle, a scooter, an electric scooter and the like.
- FIG. 1 is a side view showing a schematic configuration of a bicycle equipped with a brake system according to an embodiment of the present invention.
- FIG. 2 is a plan view showing a handlebar of a bicycle equipped with a brake system according to an embodiment of the present invention, and one periphery thereof.
- Fig. 1 the left side of the page is in front of the bicycle 200.
- Fig. 2 the top side of the paper is the front of the bicycle 2000.
- Fig. 2 shows the state in which the brake lever 2 4 1 is not grasped by the rider.
- FIG. 2 shows a part of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 in a cross section.
- the bicycle 2 ⁇ ⁇ equipped with the brake system 1 ⁇ ⁇ has a frame 2 1 0, a turning part 2 3 ⁇ , a saddle 2 1 8 and a pedal 2 1 9 and a rear wheel 2 2 2 It is equipped with 0, a rear wheel side braking part 2 5 2, and a brake lamp 2 2 1.
- the frame 2 1 ⁇ is, for example, the head tube 2 1 1 that pivotally supports the steering column 2 3 1 of the turning part 2 3 ⁇ , and the top tube 2 1 that is connected to the head tube 2 1 1.
- 2 and down tube 2 1 3 connected to top tube 2 1 2 and down tube 2 1 3 and connected to the upper and lower ends of seat tube 2 1 4 and seat tube 2 1 4 holding saddle 2 1 8
- the swivel part 2 3 ⁇ is held by, for example, the steering column 2 3 1, the eight dollar stem 2 3 2 held by the steering column 2 3 1, and the handle stem 2 3 2.
- the front fork 2 1 connected to the handlebar 2 3 3 and the brake lever 2 4 1 provided around the handlebar 2 3 3 and the steering column 2 3 1 It is equipped with 6, a front wheel 2 1 7 that is rotatably held by the front fork 2 1 6, and a front wheel side braking part 2 5 1.
- the front fork 2 1 6 is provided according to both rules of the front vehicle 2 1 Y.
- For the front fork 2 1 6, -iS is connected to the steering column 2 3 1 and the other end is connected to the center of rotation of the front wheel 2 1 7. That is, the front wheels 2 1 7 are rotatably held between the pair of front forks 2 1 6.
- the front fork 2 1 6 may be a front fork with a suspension size.
- the bicycle 2 0 0 is provided with two brake levers 2 4 1.
- the brake system 1 ⁇ ⁇ has anti-lock on the front wheel side hydraulic pressure control device 1 for executing anti-lock braking control on the front wheels 2 1 7 and anti-lock on the rear wheels 2 20 0. It is equipped with a rear wheel side hydraulic pressure control device 2 for performing brake control.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are provided with a master cylinder type substrate 10 as described later.
- the hydraulic pressure control device equipped with the master cylinder type base is attached to the handlebar, and the piston of the master cylinder is pressed by the brake lever held by the rider's hand.
- the bicycle 2 0 0 is provided with a brake lever 2 4 1 for the front wheel side hydraulic pressure control device 1 and a brake lever 2 4 1 for the rear wheel side hydraulic pressure control device 2.
- the bicycle when the bicycle is mounted on the bicycle 200, the weight distribution of the attachment to the handlebar 2 3 3 in the left-right direction becomes more even than before, and the bicycle The steerability of 200 is improved compared to the past.
- the rear wheel side hydraulic pressure control device 2 is provided around the grip portion 2 3 4 which is gripped by the rider with the left hand, and the front wheel side hydraulic pressure control device 1 is gripped by the rider with the right hand.
- An example is shown that is provided around the holding part 2 3 4.
- the down tube 2 1 3 of the frame 2 1 ⁇ is equipped with a power supply unit 2 6 ⁇ that is the power source for the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2.
- the power supply unit 260 may be a battery or a generator.
- Generators include, for example, those that generate electricity by running a bicycle (for example, a hub dynamo that generates electricity by the rotation of front wheels 2 1 7 or rear wheels 2 2 0, front wheels 2 1 7 or rear wheels 2 2 0). Includes motors that are drive sources that generate regenerative power, etc.) and those that generate electricity from sunlight.
- the brake lever 2 4 1 and the front wheel side braking part 2 5 1 and the rear wheel side controlling part 2 5 2 and the front wheel side hydraulic pressure control device It is equipped with a brake system 100, including 1, a rear wheel side hydraulic pressure control device 2, and a power supply unit 260.
- the brake system 1 ⁇ ⁇ can execute anti-lock braking control on the front wheels 2 1 7 by controlling the pressure of the brake fluid of the front wheel side braking unit 2 5 1 by the front wheel side hydraulic pressure control device 1.
- the brake system 100 can execute anti-lock brake control for the rear wheels 2 20 by controlling the pressure of the brake fluid in the rear wheel side braking unit 2 5 2 by the rear wheel side hydraulic pressure control device 2. It is.
- the brake lamp 2 2 1 glows when at least one of the front wheel 2 1 7 and the rear wheel 2 2 0 is braked.
- FIG. 3 is a diagram showing a schematic configuration of a brake system according to an embodiment of the present invention.
- the brake system 100 includes a front wheel side hydraulic pressure control device 1 and a rear wheel side hydraulic pressure control device 2.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are based on the master cylinder body type. It has a body of 10.
- the substrate 10 is formed with a piston mounting hole 2 1 in which the piston 5 1 of the master cylinder 50 is provided so as to be reciprocating.
- the master cylinder 50 is composed of the piston mounting holes 2 1 and the piston 5 1.
- the base material 10 is formed with a wheel cylinder port 45 and an internal B flow path 40 that communicates the piston mounting hole 2 1 and the wheel cylinder port 4 5. Further, the substrate 10 is connected to the piston mounting hole 21 and is formed with a reservoir tank 5 2 for storing the brake fluid.
- Internal flow path 40 is the flow path for brake fluid.
- the inner flow path B 4 ⁇ includes, for example, a first flow path 41, a second flow path 4 2, a third flow path 4 3, and a fourth flow path 4 4.
- the piston mounting hole 2 1 of the master cylinder 50 and the wheel cylinder port 4 5 communicate with each other via the first flow path 4 1 and the second flow path 4 2.
- the end on the inlet side of the third flow path 4 3 is connected to the middle part of the second flow path 4 2.
- the front wheel side braking unit 2 5 1 is connected to the wheel cylinder port 4 5 of the base 1 of the front wheel side hydraulic pressure control device 1 via the liquid pipe 1 0 1.
- the front wheel side braking section 2 5 1 is equipped with a wheel cylinder 2 5 3 and a rotor 2 5 4.
- the wheel cylinder 2 5 3 of the front wheel side braking portion 2 5 1 is attached to, for example, the front fork 2 1 6.
- the wheel cylinder 2 5 3 of the front wheel side braking part 2 5 1 is equipped with a piston part (not shown) that moves in conjunction with the pressure of the liquid pipe 101, and the liquid pipe 101 and the wheel cylinder port 4 It is connected to the outlet side of the second flow path 4 2 of the front wheel side hydraulic pressure control device 1 via 5.
- the wheel cylinder port 4 5 of the base 1 0 of the front wheel side hydraulic pressure control device 1 is connected to the liquid pipe 1 0 1 communicating with the wheel cylinder 2 5 3 of the front wheel side braking unit 2 5 1.
- the front wheel side braking part 2 5 1 is held by the front wheel 2 1 7 and rotates together with the front wheel 2 1 7.
- the brake pad (not shown) is attached to the rotor 2 5 4 of the front wheel side braking part 2 5 1 to attach the brake pad (not shown) to the front wheel 2 1 7 is braked.
- the rear wheel side braking unit 2 5 2 is connected to the wheel cylinder port 4 5 of the base 1 of the rear wheel side hydraulic pressure control device 2 via the liquid pipe 101.
- the rear wheel side braking part 2 5 2 is provided with a wheel cylinder 2 5 3 and a rotor 2 5 4 in the same manner as the front wheel side braking part 2 5 1.
- the wheel cylinder 2 5 3 of the rear wheel side braking part 2 5 2 is, for example, It is attached to stay 2 1 5.
- the wheel cylinder 2 5 3 of the rear wheel side braking part 2 5 2 is equipped with a piston part (not shown) that moves in conjunction with the pressure of the liquid pipe 101, and the liquid pipe 100 1 and the wheel cylinder port.
- the internal flow path 4 ⁇ formed on the base 1 ⁇ of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 has the piston mounting hole 2 1 and the wheel cylinder 2 5 3. It is a part of the flow path of the brake fluid to be communicated.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 open and close the internal flow path 40 to adjust the pressure of the brake fluid supplied to the wheel cylinder 2 5 3. It is equipped with a valve 5 5.
- the control valve 5 5 is provided on the substrate 10.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 include an inlet valve 5 6 and an outlet valve 5 7 as control valves 5 5.
- the inlet valve 5 6 is provided between the outlet side of the first flow path 4 1 and the inlet side of the second flow path 4 2, and the first flow path 4 1 and the second flow flow 4 1 are provided. Open and close the flow of brake fluid to and from road 4 2. That is, the inlet valve 5 6 opens and closes the flow path through which the brake fluid flowing from the piston mounting hole 2 1 to the wheel cylinder 2 5 3 out of the internal flow paths 40.
- the outlet valve 5 7 is provided between the outlet side of the third flow path 4 3 and the inlet side of the fourth flow path 4 4, and is between the third flow path 4 3 and the fourth flow path 4 4. Open and close the circulation of brake fluid.
- the pressure of the brake fluid is controlled by the opening / closing operation of the inlet valve 5 6 and the outlet valve 5 7.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are used as drive sources for the inlet valve 56. It is equipped with a first coil 6 1 and a second coil 6 2 as a drive source for the outlet valve 5 7.
- the first coil 6 1 and a second coil 6 2 are used as drive sources for the outlet valve 5 7.
- the inlet valve 5 6 When the coil 6 1 is de-energized, the inlet valve 5 6 releases the flow of brake fluid in both directions. Then, when the first coil 61 is energized, the inlet valve 5 6 is closed and blocks the flow of the brake fluid. That is, in the present embodiment, the inlet valve 56 is a solenoid valve that is open when the power is not applied. Also, for example, when the second coil 6 2 is not energized, the outlet valve 5 7 shuts off the flow of brake fluid. Then, when the second coil 6 2 is energized, the outlet valve 5 7 is in an open state to release the flow of the brake fluid in both directions. That is, in the present embodiment, the outlet valve 57 is a solenoid valve that is closed when the power is off.
- an accumulator 5 8 is formed on the base 10 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2.
- the accumulator 5 8 is connected to the outlet side of the 4th flow path 4 4, and the brake fluid that has passed through the outlet valve 5 7 is stored. That is, the outlet valve 5 7 opens and closes the flow path through which the brake fluid flowing from the wheel cylinder 2 5 3 to the accumulator 5 8 passes among the inner B flow paths 40.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are equipped with a pressure sensor 5 9 that detects the pressure of the brake fluid in the internal flow path 40.
- the pressure sensor 5 9 is provided on the substrate 10.
- the pressure sensor 5 9 detects the pressure of the brake fluid that is applying pressure to the wheel cylinder 2 5 3.
- the pressure sensor 5 9 communicates with the second flow path 4 2.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are equipped with a control device that controls the opening / closing operation of the control valve 5 5 based on the detection result of the pressure sensor 5 9. ing.
- each part of the control device 70 may be arranged together or dispersedly.
- at least a part of the control device 70 of the front wheel side hydraulic pressure control device 1 and at least a part of the control device 70 of the rear wheel side hydraulic pressure control device 2 may be arranged together. ..
- the control device 70 may be configured to include, for example, a microcomputer, a microprocessor unit, or the like, or may be configured to include an updatable one such as firmware, or a CPU. It may be configured to include a program module or the like executed by an order from the above.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side? Control device 70 of the pressure control device 2 is configured as follows (j).
- FIG. 4 is a block diagram showing a front wheel side hydraulic pressure control device according to an embodiment of the present invention.
- FIG. 5 is a block diagram showing a rear wheel side hydraulic pressure control device according to an embodiment of the present invention.
- Control device for front wheel side hydraulic pressure control device 1 and rear wheel side hydraulic pressure control device 2? The detection result of the pressure sensor 590 is input to ⁇ .
- the control device 70 of the front wheel side hydraulic pressure control device 1 detects the rotation speed of the front wheels 2 1 7 as a detection device for detecting the information on the running state of the rotary vehicle 200.
- the detection result of the front wheel side wheel speed sensor 2 7 1 is input.
- the control device 70 of the front wheel side hydraulic pressure control device 1 determines whether the front wheel 2 1 7 is locked or locked based on the detection result of the front wheel side wheel speed sensor 2 7 1. Further, in the present embodiment, the control device 70 of the rear wheel side hydraulic pressure control device 2 detects the rotation speed of the rear wheel 220 as a detection device for detecting the information on the running state of the bicycle 200. The detection result of the rear wheel side wheel speed sensor 2 7 2 is input. Then, the control device 70 of the rear wheel side hydraulic pressure control device 2 determines the lock or the possibility of the lock of the rear wheel 2 0 based on the detection result of the rear wheel side wheel speed sensor 2 7 2.
- the control device 70 includes an operation determination unit 7 3 and a control unit 7 4 as functional units.
- the operation determination unit 7 3 is a functional unit that determines the opening / closing operation of the control valve 5 5. Specifically, the operation determination unit 7 3 determines whether the inlet valve 5 6 is in the open state or the closed state. Further, the operation determination unit 7 3 determines whether the outlet valve 5 7 is in the open state or the closed state.
- the control unit 7 4 is a functional unit that controls the opening / closing operation of the control valve 5 5. Specifically, the control unit 7 4 controls the energization of the first coil 6 !, and the state of the inlet valve 5 6 is set to the state determined by the operation determination unit 7 3. In addition, the control unit 7 4 controls the power transmission to the second coil 6 2, and the state of the outlet valve 5 7 is set to the state determined by the operation determination unit 7 3.
- control device 7 of the front wheel side hydraulic pressure control device 1 is the inlet valve of the front wheel side hydraulic pressure control device 1.
- the wheel series of the front wheel side braking part 2 5 1 It controls the pressure of the brake fluid supplied to the loader 2 5 3, and controls the braking force of the front wheels 2 1 7.
- the front wheel side hydraulic pressure control device 1 controls the pressure of the brake fluid supplied to the wheel cylinder 2 5 3 of the front wheel side braking unit 2 5 1.
- the control device of the rear wheel side hydraulic pressure control device 2? ⁇ controls the opening / closing operation of the inlet valve 5 6 and the outlet valve 5 7 of the rear wheel side hydraulic pressure control device 2 to control the rear wheel side braking unit 2
- the rear wheel side hydraulic pressure control device 2 controls the pressure of the brake fluid supplied to the wheel cylinder 2 5 3 of the rear wheel side braking unit 2 5 2.
- the control device 70 of the front wheel side hydraulic pressure control device 1 operates as follows.
- the rider grasps the brake lever 2 4 1 and the piston 5 1 of the master cylinder 5 ⁇ of the front wheel side hydraulic pressure control device 1 is pressed by the brake lever 2 4 1, braking of the front wheel 2 1 7 is started. ..
- the control device 7 ⁇ of the front wheel side hydraulic pressure control device 1 locks or locks the front wheels 2 1 7 based on the detection result of the front wheel side wheel speed sensor 2 7 1. If it is determined that there is a possibility, anti-lock brake control is started.
- the control device 7 0 of the front wheel side hydraulic pressure control device 1 energizes the first coil 6 1 and closes the inlet valve 5 6 to close the master cylinder 5 By blocking the flow of brake fluid from ⁇ to the wheel cylinder 2 5 3 of the front wheel side braking part 2 5 1, the wheel cylinder 2 of the front wheel side braking part 2 5 1
- the control device 7 ⁇ of the front wheel side hydraulic pressure control device 1 determines from the detection result of the pressure sensor 5 9 that the brake fluid of the wheel cylinder 2 5 3 of the front wheel side braking unit 2 5 1 has been depressurized to a predetermined value
- the second coil 6 2 is de-energized to close the outlet valve 5 7, and the second coil 6 1 is de-energized to open the inlet valve 5 6 for a short time.
- 5 1 Wheel cylinder 2 5 3 Increase the pressure of the brake fluid.
- Front wheel side The control device of the hydraulic pressure control device 1? ⁇ may increase or decrease the pressure of the wheel cylinder 2 5 3 of the front wheel side braking unit 2 5 1 only once, or may be repeated a plurality of times.
- the pressure sensor 5 9 applies the pressure of the brake fluid applying the pressure to the wheel cylinder 2 5 3 among the pressures of the brake fluid existing in the internal flow path 40. It is being detected. Therefore, the pressure sensor 5 9 can directly detect the brake fluid of the wheel cylinder 2 5 3 of the front wheel side braking unit 2 5 1. Therefore, the pressure sensor 5 9 detects the pressure of the brake fluid applying pressure to the wheel cylinder 2 5 3, and the front wheel side hydraulic pressure control device 1 performs anti-lock braking to the front wheels 2 1 7. Control can be performed with high accuracy.
- the control device 70 of the rear wheel side hydraulic pressure control device 2 operates as follows.
- the rider grasps the break lever 2 4 1 and the piston 5 1 of the master cylinder 5 ⁇ of the rear wheel side hydraulic pressure control device 2 is pressed by the brake lever 2 4 1, the braking of the rear wheel 2 2 ⁇ is applied. It will be started.
- the control device of the rear wheel side hydraulic pressure control device 2? ⁇ locks the rear wheel 2 2 0 based on the detection result of the rear wheel side wheel speed sensor 2 7 2. Or, if it is determined that there is a possibility of locking, anti-lock brake control is started. [.
- the control device 7 0 of the rear wheel side hydraulic pressure control device 2 energizes the first coil 6 1 and closes the inlet valve 5 6 to close the master cylinder.
- the pressure of the brake fluid of the wheel cylinder 2 5 3 of the rear wheel side braking section 2 5 2 is increased. Suppress.
- the control device 70 of the rear wheel side hydraulic pressure control device 2 energizes the second coil 6 2 to open the outlet valve 5 7, and the wheel cylinder 2 5 3 of the rear wheel side braking unit 2 5 2
- the brake fluid in the wheel cylinder 2 5 3 of the rear wheel side braking unit 2 5 2 is depressurized.
- the control device 7 ⁇ of the rear wheel side hydraulic pressure control device 2 determines that the brake fluid of the wheel cylinder 2 5 3 of the rear wheel side braking unit 2 5 2 has been depressurized to a predetermined value.
- the second coil 6 2 is de-energized and the outlet valve 5 7 is closed.
- the second coil 6 1 is de-energized and the inlet valve 5 6 is opened to open the rear wheel side.
- the control device of the rear wheel side hydraulic pressure control device 2 may increase or decrease the pressure of the wheel cylinder 2 5 3 of the rear wheel side braking unit 2 5 2 only once, or may be repeated a plurality of times.
- the pressure sensor 5 9 applies the pressure of the brake fluid applying the pressure to the wheel cylinder 2 5 3 among the pressures of the brake fluid existing in the internal flow path 40. It is being detected. Therefore, the pressure sensor 5 9 can directly detect the brake fluid in the wheel cylinder 2 5 3 of the rear wheel side braking unit 2 5 2. Therefore, the pressure sensor 5 9 detects the pressure of the brake fluid applying pressure to the wheel cylinder 2 5 3, and the rear wheel side hydraulic pressure control device 2 anti-locks the rear wheel 2 2 0. Lock brake control can be performed with high accuracy.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 use the accumulator 5 8 to release the brake fluid released from the wheel cylinder 2 5 3 during decompression in anti-lock brake control. It is configured to store and discharge the brake fluid in the accumulator 5 8 to the outside of the accumulator 5 8 without a pump.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 configured in this way are smaller than the hydraulic pressure control device that discharges the brake fluid in the accumulator to the outside of the accumulator using a pump. This can be done, and the degree of freedom of attachment to the bicycle 2 ⁇ ⁇ is improved.
- the internal flow path of such a conventional hydraulic pressure control device is provided with a bypass flow path having one end connected to the accumulator and the other end connected to the flow path between the master cylinder and the inlet valve.
- the internal flow path of such a conventional hydraulic pressure control device has a brake fluid in the bypass flow path from the master cylinder side to the accumulator side in order to prevent the brake fluid from flowing into the accumulator through the bypass flow path.
- the internal flow path 40 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 cannot return the brake fluid in the Accumley evening 5 8 to the master cylinder 5 0 without going through the outlet valve 5 7. It is composed. That is, the internal flow path 4 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 applies the brake fluid in the Accumley evening 5 8 to the base 1 ⁇ without going through the outlet valve 5 7. It is a configuration that cannot be returned to the piston mounting hole 2 1 (one configuration of the master cylinder 500) formed in.
- the internal flow paths 40 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 configured in this way include the above-mentioned bypass flow path provided in the conventional hydraulic pressure control device. No check valve is required. Therefore, the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 configured in this way can be further reduced in size, and the degree of freedom of attachment to the bicycle 200 is further improved.
- control device 70 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 is configured as the control board 71 1.
- the components of the operation determination unit 7 3 and the control unit 7 4 of the control equipment 70 are configured as the control board 71 1. That is, the control board 7 1 controls the opening / closing operation of the control valve 5 5.
- the control board 7 1 is electrically connected to the first coil 61 and the second coil 6 2 to control the energization of the first coil 6 1 and the second coil 6 2.
- the control device 70 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 is based on the detection result of the pressure sensor 59 as a functional unit. It is equipped with a signal output unit 7 5 that outputs the control signal of the brake lamp 2 2 1. That is, in the present embodiment, the control device 70 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 has a control signal of the brake lamp 2 2 1 based on the detection result of the pressure sensor 5 9. Is configured to output.
- the front wheel side hydraulic pressure control device 1 when the rider grasps the brake lever 2 4 1 and the piston 5 1 of the master cylinder 5 ⁇ of the front wheel side hydraulic pressure control device 1 is pressed by the brake lever 2 4 1, the front wheel side hydraulic pressure control device 1 The detected pressure of the pressure sensor 5 9 is higher than when the brake lever 2 4 1 is not grasped by the rider. At that time, the control device 70 of the front wheel side hydraulic pressure control device 1 outputs the control signal of the brake lamp 2 2 1. Then, when the turntable 2 ⁇ ⁇ receives the control signal of the brake lamp 2 2 1 output from the front wheel side hydraulic pressure control device 1.
- Brake lamp 2 2 1 Turn on. [. 0 5 2]
- the rider grips the brake lever 2 4 1 to brake the rear wheel 2 2 ⁇
- the piston 5 1 of the master cylinder 5 ⁇ of the rear wheel side hydraulic pressure control device 2 is the brake lever 2 4 1
- the pressure of the brake fluid in the inner flow path 40 of the rear wheel side hydraulic pressure control device 2 rises compared to the state where the brake lever 2 4 1 is not grasped by the rider.
- the rear wheel side hydraulic pressure control device 2 when the rider grasps the brake lever 2 4 1 and the piston 5 1 of the master cylinder 5 ⁇ of the rear wheel side hydraulic pressure control device 2 is pressed by the brake lever 2 4 1, the rear wheel side hydraulic pressure control device The detected pressure of the pressure sensor 5 9 of 2 increases compared to the state where the brake lever 2 4 1 is not grasped by the rider. At that time, the control device of the rear wheel side hydraulic pressure control device 2? ⁇ outputs the control signal of the brake lamp 2 2 1. Then, when the bicycle 2 ⁇ ⁇ receives the control signal of the brake lamp 2 2 1 output from the rear wheel side hydraulic pressure control device 2, the brake lamp 2 2 1 is turned on.
- a mechanical brake switch that detects the posture of the brake lever is used.
- the brake lamp was turned on based on the detection result of the brake switch.
- the brake switch is provided near the brake lever, that is, near the handlebar.
- the brake switch is configured to be supported by the brake lever when the brake lever is being held by the rider's hand.
- the brake switch is configured to output a signal when it is armed or not. Then, in a saddle-mounted vehicle equipped with such a conventional hydraulic pressure control device, it is determined whether or not the brake is applied based on the presence or absence of a signal output from the brake switch, and the brake lamp is turned on. It was lit.
- the control device y ⁇ of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 is used to control the pressure of the brake fluid supplied to the wheel cylinder 2 5 3. Based on the detection result of the pressure sensor 5 9, the control signal of the brake lamp 2 2 1 of the bicycle 2 ⁇ ⁇ is output. Therefore, when the brake system 100 equipped with the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 is mounted on the bicycle 200, it is detected whether or not the brake is applied. Therefore, a dedicated brake switch is not required.
- the brake system 100 equipped with the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 is mounted on the bicycle 2000, the signal line connected to the brake switch is also unnecessary. Therefore, in the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 according to the present embodiment, when the brake system 100 is mounted on the bicycle 2 0 0, the area around the handlebar 2 3 3 is It is possible to suppress the complexity more than before.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 according to the present embodiment can suppress the complexity around the handlebars 2 3 3 as compared with the conventional case. It will be easier to install on the bicycle 2 ⁇ ⁇ , and the degree of freedom of installation on the bicycle 200 will be improved.
- the substrate 10 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 according to the present embodiment has a master cylinder body type. If the master cylinder 5 ⁇ and the base 1 ⁇ are separate bodies, it is necessary to route the piping such as the liquid pipe that connects the master cylinder 5 ⁇ and the base 1 ⁇ near the handlebar 2 3 3.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 can be used for a bicycle 200 as compared with the case where the master cylinder ⁇ and the base ⁇ ⁇ are separate bodies.
- the degree of freedom of installation is further improved, and the reliability of the bicycle 200 is also improved.
- the control device 7 ⁇ of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 has an internal flow path 4 ⁇ by changing the open / closed state of the control valve 5 5.
- the control signal of the brake lamp 2 2 1 is output. That is, when the control device 70 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 decompresses the brake fluid of the wheel cylinder 2 5 3 by anti-lock brake control, the brake lamp 2 2 1 Outputs the control signal of.
- the control signal of the brake lamp 2 2 1 when the brake fluid of the wheel cylinder 2 5 3 is depressurized by the anti-lock brake control is the control signal of the brake lamp 2 2 1 when the anti-lock brake control is not performed. It is an identifiable signal.
- the bicycle 200 can make the brake lamp 2 2 1 shine differently depending on whether or not the anti-lock brake control is performed during braking, for example. For example, during braking, the bicycle 2 ⁇ ⁇ turns on the brake lamp 2 2 1 when the anti-lock brake control is not performed, and turns off the brake lamp 2 2 1 when the anti-lock brake control is performed.
- the break lamp 2 2 1 shine differently depending on whether or not the anti-lock brake control is performed during the braking of the bicycle 2 ⁇ ⁇ , for example, the rear of the bicycle 2 ⁇ ⁇
- the running vehicle can know that the braking force of the bicycle has changed. Therefore, when the pressure of the brake fluid in the internal flow path 40 drops due to the change in the open / closed state of the control valve 5 5, the control signal of the brake lamp 2 2 1 is output to improve the safety of the bicycle 200. improves.
- the control signal of the brake lamp 2 2 1 output from the control device 70 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 is for control other than lighting the brake lamp 2 2 1. It may be used.
- the brake lever 2 4 1 of the master cylinder 5 0 is not held by the rider's hand. It is in contact with piston 5 1. Therefore, when the rider begins to grasp the brake lever 2 4 1, the piston 5 1 of the master cylinder 50 begins to be immediately pressed by the brake lever 2 4 1. That is, when the rider begins to grasp the brake lever 2 4 1, the pressure of the brake fluid in the internal flow path 40 begins to rise immediately.
- the brake system configured in this way 1 ⁇ ⁇ In, the delay between the time when the rider starts braking the bicycle 2 2 1 and the time when the brake lamp 2 2 1 lights up can be suppressed, and the safety of the bicycle 2 0 is improved.
- the configuration of the hydraulic pressure control device of the brake system according to the embodiment will be described.
- the brake system 100 according to the present embodiment is provided with two hydraulic pressure control devices (front wheel side hydraulic pressure control device 1 and rear wheel side hydraulic pressure control device 2).
- front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are attached to the handlebars 2 3 3 of the bicycle 200, the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 1 are attached.
- 2 is a shape that is inverted left and right. Therefore, in the following, the front wheel side hydraulic pressure control device 1 will be described.
- the rear wheel side hydraulic pressure control device 2 becomes.
- the front wheel side hydraulic pressure control device 1 is attached to the handlebar 2 3 3 of the bicycle 2 ⁇ ⁇ , and the front wheel side hydraulic pressure control device 1 is used in a state where the vehicle 2 ⁇ ⁇ is traveling straight. While observing, the configuration of the front wheel side hydraulic pressure control device 1 will be explained.
- FIG. 6 is a perspective view showing a front wheel side hydraulic pressure control device according to an embodiment of the present invention.
- FIG. 6 is a perspective view of the front wheel side hydraulic pressure control device 1 observed from the rear right side of the front wheel side hydraulic pressure control device 1.
- FIG. 7 is a vertical sectional view of the front wheel side hydraulic pressure control device according to the embodiment of the present invention.
- FIG. 8 is a bottom view showing a substrate of the front wheel side hydraulic pressure control device according to the embodiment of the present invention.
- the front wheel side hydraulic pressure control device 1 will be described with reference to FIGS. 6 to 8 and the above-mentioned figure.
- the substrate 10 of the front wheel side hydraulic pressure control device 1 is, for example, a substantially rectangular parallelepiped member made of an aluminum alloy. Each surface of the substrate 10 may be flat, may include a curved portion, or may include a step.
- the reservoir tank 5 2, the inlet valve mounting hole 2 4, the outlet valve mounting hole 2 6, The wheel cylinder port 4 5 and the piston mounting hole 2 1 of the master cylinder 50 are formed.
- the reservoir tank 5 2 is formed on the substrate 10 so as to open on the first surface 1 1.
- the reservoir, the opening 5 3 of the tank 5 2 is formed on the first surface 1 1.
- the front wheel side hydraulic pressure control device 1 is attached to the bicycle 2 0 ⁇ so that the opening 5 3 of the reservoir tank 5 2 is above the reservoir tank 5 2 in order to maintain the inside of the reservoir tank 5 2 at atmospheric pressure. Be done. Therefore, the first surface 11 is the upper surface of the substrate 10.
- the opening 5 3 of the reservoir tank 5 2 is covered with a lid 5 4.
- the inlet valve mounting hole 2 4 is a hole in which the inlet valve 5 6 can be reciprocated.
- the inlet valve mounting holes 2 4 are formed in the substrate 10 so as to open to the second surface 1 2 which is the opposite surface of the first surface 1 1.
- the opening 2 5 of the inlet valve mounting hole 2 4 is formed on the second surface 1 2.
- the second surface 1 2 is the surface that becomes the lower surface of the substrate 10.
- the inlet valve mounting holes 2 4 are formed on the substrate 10 along the vertical direction, for example.
- the first flow path 4 1 and the second flow path 4 2 shown in FIG. 3 communicate with the inlet valve mounting hole 2 4.
- the inlet valve 5 6 reciprocates in the inlet valve mounting hole 2 4 to open and close the flow of brake fluid between the 1st flow path 4 1 and the 2nd flow path 4 2.
- the outlet valve mounting hole 2 6 is a hole in which the outlet valve 5 7 is provided so as to be able to reciprocate.
- Outlet valve mounting holes 2 6 are formed on the substrate 10 so as to open on the second surface 1 2.
- the opening 2 7 of the outlet valve mounting hole 2 6 is formed on the second surface 1 2.
- the outlet valve mounting holes 26 are formed in the substrate 10 along the vertical direction, for example.
- the third flow path 4 3 and the fourth flow path 4 4 shown in Fig. 3 communicate with the outlet valve mounting hole 2 6. Then, the outlet valve 5 7 reciprocates in the outlet valve mounting hole 26 to open and close the flow of the break liquid between the third flow path 4 3 and the fourth flow path 4 4.
- the piston 5 1 of the master cylinder 5 ⁇ reciprocates in the piston mounting hole 2 1 of the master cylinder 5 ⁇ . It is provided freely.
- the piston mounting hole 2 1 is formed on the substrate 10 so as to open on the third surface 1 3 connecting the first surface 1 1 and the second surface 1 2.
- the opening 2 3 of the piston mounting hole 2 1 is formed on the third surface 1 3.
- the third surface 1 3 is the surface that becomes the side surface of the substrate 10. More specifically, in the case of the front wheel side hydraulic pressure control device 1 provided around the grip portion 2 3 4 on the right side of the handlebar 2 3 3, the third surface 1 3 is the right surface of the substrate 10. In the case of the rear wheel side hydraulic pressure control device 2 provided around the grip portion 2 3 4 on the left side of the handlebar 2 3 3, the third surface 1 3 is the left side surface of the substrate 10.
- the master cylinder 5 ⁇ extends along the range facing the master cylinder 5 ⁇ in the handlebar 2 3 3 in a plan view.
- the master cylinder 50 is formed on the substrate 10 so as to extend substantially in the left-right direction in a plan view.
- the wheel cylinder port 4 5 is formed on the substrate 10 so as to open to the 4th surface 1 4 which is the opposite surface of the 3rd surface 1 3.
- the first coil 61, the second coil 6 2 and the control board 7 1 are housed in the housing 80 provided in the front wheel side hydraulic pressure control device 1. This housing 80 is connected to the substrate 10.
- the housing 8 ⁇ that houses the 1st coil 61, the 2nd coil 6 2 and the control board 71 1 located below the substrate 1 ⁇ is also located below the substrate 1 ⁇ 0.
- the inlet valve mounting hole, the outlet valve, and the lube mounting hole are in the state where the hydraulic pressure control device is attached to the handle bar. It is formed on the substrate so as to extend substantially horizontally. That is, in a conventional hydraulic pressure control device equipped with a master cylinder type substrate, when the hydraulic pressure control device is attached to the eight dollar bar, the inlet valve is located in the front, rear, or side of the saddle-type vehicle.
- the mounting holes and outlet valve mounting holes are open.
- the coil that is the drive source of the inlet valve, the coil that is the drive source of the outlet valve, and the energization to these coils are controlled so as to face the surface where the inlet valve mounting hole and the outlet valve mounting hole of the substrate are opened.
- a housing containing the control board is placed. That is, the conventional hydraulic pressure control device equipped with a master cylinder type substrate provides a space for arranging the housing in front of, behind, or side of the hydraulic pressure control device when the hydraulic pressure control device is attached to the hand bar. Must be secured.
- saddle-mounted vehicles are provided with a handlebar behind the mounting position of the hydraulic pressure control device.
- various objects are provided in front of and to the side of the mounting position of the hydraulic pressure control device. Therefore, the conventional hydraulic pressure control device equipped with the master cylinder type substrate has a low degree of freedom of attachment to the saddle type vehicle.
- the inlet valve mounting hole 2 4 and the outlet valve mounting hole 2 6 are such that the front wheel side hydraulic pressure control device 1 is a bicycle 2 0 0. It is formed on the 2nd ® 1 2 which is the lower surface when it is taken into the handlebar 2 3 3. For this reason, the liquid in front of the vehicle according to this embodiment In the pressure control device 1, when it is attached to the handlebar 2 3 3 of the bicycle 2 ⁇ ⁇ , the 1st coil 6 1 and the 1st
- the coil 62, the control board 71 1 and the housing 80 will be located below the substrate 10.
- the front wheel side hydraulic pressure control device 1 according to the present embodiment in other words, the rear wheel side hydraulic pressure control device 2 according to the present embodiment has an improved degree of freedom of attachment to the bicycle 2000. do.
- the alignment direction of the opening 2 5 of the inlet valve mounting hole 2 4 and the opening 2 7 of the outlet valve mounting hole 2 6 on the second surface 1 2 is the piston. It is along the extending direction (extending direction) of the mounting hole 2 1.
- the opening of the inlet valve mounting hole 2 4 on the second surface 1 2 2 5 is along the extending direction (extending direction) of the piston mounting hole 2 1.
- "along" expressed in this implementation does not mean that the two directions to be compared are strictly parallel. The two directions to be compared may be a little different. For example, there are four directions in two directions. It may be unsatisfied.
- a hydraulic pressure control device equipped with a master cylinder type substrate increases in the extending direction of the piston mounting hole. Further, in the saddle-mounted vehicle, there is a space around the mounting position of the hydraulic pressure control device in the left-right direction as compared with the front-rear direction. That is, in a saddle-mounted vehicle, the area around the mounting position of the hydraulic pressure control device has the least spatial margin in the front-rear direction among the front-rear direction, the left-right direction, and the up-down direction. For this reason, in general, a hydraulic pressure control device equipped with a master cylinder-body type substrate is a saddle-type vehicle so that the extending direction of the piston mounting hole is along the left-right direction of the saddle-type vehicle in a plan view.
- a hydraulic pressure control device with a master cylinder type substrate is attached to the handlebar of a saddle-type vehicle so that the extending direction of the piston mounting hole is along the handlebar in plan view. .. As shown in FIG. 2, the same applies to the front wheel side hydraulic pressure control device 1 according to the present embodiment. At this time, the alignment direction of the opening 2 5 of the inlet valve mounting hole 2 4 on the second surface 1 2 and the opening 2 7 of the outlet valve mounting hole 2 6 is the extending direction of the piston mounting hole 2 1.
- the front wheel side hydraulic pressure control device 1 having a structure along the same can suppress the width in the front-rear direction where there is the least spatial margin at the mounting position of the front wheel side hydraulic pressure control device 1 of the bicycle 200. Therefore, the front wheel side hydraulic pressure control device 1 having the configuration, in other words, the rear wheel side hydraulic pressure control device 2 having the configuration has a higher degree of freedom of attachment to the bicycle 200.
- the front wheel side hydraulic pressure control device 1 includes a pressure sensor 5 9.
- the pressure sensor 5 9 is provided in the pressure sensor mounting hole 30 formed in the substrate!
- the pressure sensor mounting holes 30 are formed in the substrate 10 so as to open on the second surface 1 2.
- the opening 3 1 of the pressure sensor mounting hole 30 is formed on the second surface 1 2.
- the pressure sensor mounting hole 30 is formed in the substrate 10 along the vertical direction, for example.
- the opening 3 1 of the pressure sensor mounting hole 3 ⁇ is formed on the second surface 1 2, even if the pressure sensor 5 9 is provided on the substrate 10 ⁇ , the front wheel side hydraulic pressure in the front-rear direction and the left-right direction. It is possible to prevent the control device 1 from becoming large. Therefore, in the front wheel side hydraulic pressure control device 1 in which the opening 3 1 of the pressure sensor mounting hole 30 is formed on the second surface 1 2, in other words, the opening 3 1 of the pressure sensor mounting hole 3 ⁇ is the second surface 1
- the rear wheel side hydraulic pressure control device 2 formed in 2 has a higher degree of freedom of attachment to the bicycle 200 even when the pressure sensor 5 9 is provided on the base 10.
- the alignment direction of the openings 3 1 is along the extending direction (extending direction) of the piston mounting holes 2 1.
- the alignment direction of the opening 2 7 of the outlet valve mounting hole 2 6 and the opening 3 1 of the pressure sensor mounting hole 3 0 is along the extending direction (extending direction) of the piston mounting hole 2 1.
- the front wheel side hydraulic pressure control device 1 configured in this way is self-contained when the pressure sensor 5 9 is provided on the substrate 10. It is possible to suppress the width in the front-rear direction where there is the least spatial margin at the mounting position of the front wheel side hydraulic pressure control device 1 of the turntable 200. Therefore, the front wheel side hydraulic pressure control device 1 configured in this way is, in other words, the rear wheel side hydraulic pressure control device 2 configured in this way, when the pressure sensor 5 9 is provided on the substrate 10 the bicycle 2 The degree of freedom of mounting to 0 0 is further improved.
- the arrangement of the opening 2 5 of the inlet valve mounting hole 2 4 on the 2nd surface 1 2; the opening 2 7 of the outlet valve mounting hole 2 6 and the opening 3 1 of the pressure sensor mounting hole 3 ⁇ is not always the same. It does not have to be lined up in a straight line, but may be lined up in a zigzag pattern.
- the inlet valve mounting holes 2 4, the outlet valve mounting holes 2 6, and the pressure sensor mounting holes 30 are arranged in order of distance from the wheel cylinder port 45.
- the pressure sensor 5 9 detects the pressure of the brake fluid applying the pressure to the wheel cylinder 2 5 3.
- the inlet valve mounting hole 2 4 and the outlet valve are along the direction of the brake fluid flowing from the piston mounting hole 2 1 of the master cylinder 5 to the wheel cylinder port 4 5 and flowing through the internal flow path 4 0.
- the mounting holes 2 6, the pressure sensor mounting holes 3 ⁇ and the wheel cylinder port 4 5 will be lined up.
- the front wheel side hydraulic pressure control device 1 configured in this way in other words, the rear wheel side hydraulic pressure control device 2 configured in this way extends from the inlet valve mounting hole 2 4 to the wheel cylinder port 45.
- Internal flow path 40 ⁇ The shape can be simplified and the manufacturing cost can be suppressed.
- the holding portion 95 of the brake lever 2 4 1 gripped by the rider's hand is integrally formed on the substrate 10.
- the configuration of the holding portion 9 5 is not particularly limited, but in the present embodiment, the holding portion 95 includes a pair of holding plates 9 6. These holding plates 9 6 are formed with holes 9 7 that rotatably support the shaft 2 4 2 (see FIG. 2) of the brake lever 2 4 1. Then, with the axle 5 2 4 2 of the brake lever 2 4 1 inserted into the hole 9 7, a pair of holding plates 9 6 hold the brake lever 2 4 1 in a moving position, so that the brake lever 2 2 4 1 is held swingably by the holding portion 95.
- one of the pair of holding plates 96 is integrally formed with the substrate 10 on, for example, the fifth surface 15 which is the front surface of the substrate 10.
- the other of the pair of holding plates 96 is fixed to the substrate 10 by, for example, screwing. ing.
- the attachment portion 90 for attaching the substrate 10 to the handlebar 2 3 3 is integrally formed with the substrate 10.
- the configuration of the mounting portion 90 is not particularly limited, but in the present embodiment, the mounting portion 90 is fixed to the base 9 1 integrally formed with the base 10 and the base B 9 1 by screwing or the like. It is equipped with a holding part 9 2.
- the base portion 91 is integrally formed with the base portion 10 on the sixth surface 16 which is the back surface of the substrate 10 for example.
- the base 1 ⁇ is fixed to the handlebar 2 3 3 by sandwiching the handlebar 2 3 3 between the base 9 1 and the holding portion 9 2 and fixing the holding portion 9 2 to the base 9 1.
- Bicycle with brake system 1 ⁇ ⁇ compared to the case where at least — part of the mounting part 9 ⁇ is integrally formed with the base 1 ⁇ so that the mounting part 9 ⁇ is formed separately from the base 1 ⁇
- the number of parts and assembly man-hours can be reduced, and the manufacturing cost of bicycles can be suppressed.
- the accumulator evening 5 8 is formed on the substrate 10 of the front wheel side hydraulic pressure control device 1.
- the accumulator 5 8 is arranged on the side opposite to the opening 2 3 of the piston mounting hole 2 1 with the bottom 2 2 of the piston mounting hole 2 1 as a reference.
- the piston mounting holes 2 1 of the master cylinder 50 and the accumulator 5 8 are aligned in the left-right direction in a plan view.
- the front wheel side hydraulic pressure control device 1 on which the accumulator 5 8 is formed suppresses the width in the front-rear direction where there is the least spatial margin at the mounting position of the front wheel side hydraulic pressure control device 1 of the bicycle 200. Can be done.
- the rear wheel side hydraulic pressure control device 2 in which the accumulator 5 8 is formed in this way is on the substrate 10.
- the opening of the hole to be opened on the 6th surface 16 is closed to form an Accumley evening 58.
- the configuration of this accumulator 5 8 is just an example.
- the opening of the hole that opens on the fourth surface 14 may be closed to form the accumulator 5 8.
- a hole that opens on the 5th surface 15 The opening of the accumulator may be closed to form the accumulator 58.
- the brake system 1 ⁇ ⁇ is a brake system for a bicycle ⁇ ⁇ that can execute anti-lock braking control by controlling the pressure of the brake fluid supplied to the wheel cylinder 2 5 3.
- the brake system 100 according to the present embodiment includes a front wheel side hydraulic pressure control device 1 and a rear wheel side hydraulic pressure control device 2.
- the front wheel side hydraulic pressure control device 1 is attached to the handlebar 2 3 3 and controls the pressure of the brake fluid supplied to the wheel cylinder 2 5 3 of the front wheel side braking unit 2 5 1.
- the rear wheel side hydraulic pressure control device 2 is attached to the hand lever, 1 2 3 3, and controls the pressure of the brake fluid supplied to the wheel cylinder 2 5 3 of the rear wheel side braking unit 2 5 2.
- both the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are provided with the substrate 10 and the control valve 55. .. Brake fluid flow that communicates the piston mounting hole 2 1 provided with the piston 5 1 of the master cylinder 50 reciprocating, the piston mounting hole 2 1 and the wheel cylinder 2 5 3 on the base 1
- An internal flow path 40 which is a part of the road, is formed.
- the control valve 5 5 opens and closes the internal flow path 40 and regulates the pressure of the break liquid supplied to the wheel cylinder 2 5 3.
- one of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 has a handlebar 2 3 Of the gripping parts 2 3 4 of 3, it will be provided around the gripping part 2 3 4 (left side gripping part 2 3 4) that is gripped by the rider with the left hand.
- the other of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 is the grip portion 2 3 4 of the handlebar 2 3 3 which is gripped by the rider with the right hand. It will be installed around 4 (the right side handlebar 2 3 4). Therefore, in the brake system 100 according to the present embodiment configured in this way, when the bicycle is mounted on the bicycle 200, the weight distribution in the left-right direction of the handle bar and the attachment to the handle bar, -2 3 3 is distributed. Bicycles are more even than before
- FIG. 9 is a diagram showing a schematic configuration of a modified example of the brake system according to the embodiment of the present invention.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 store the brake fluid released from the wheel cylinder 2 5 3 during depressurization in the anti-lock brake control in the accumulator 5 8, and the accumulator 5
- the brake fluid in 8 is discharged to the outside of the accumulator 5 8 without a pump.
- the internal flow paths 40 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 that realize such a configuration are not limited to the above configuration.
- the internal flow paths 40 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 may be configured as shown in FIG.
- the internal flow path 40 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 shown in Fig. 9 is the internal flow path 40 of the internal flow path B shown in Fig. 2.
- it is equipped with a bypass flow path 4 6 and a check valve 4 7.
- One end of the bypass flow path 4 6 is connected to the Accumley evening 5 8 and the other end is connected to the first flow path 4 1.
- the check valve 4 7 is provided in the bypass flow path 4 6 to regulate the flow of brake fluid from the master cylinder 50 side to the accumulator 5 8 side.
- the break liquid released from the wheel cylinder 2 5 3 during decompression in the anti-lock brake control is also released. It is stored in the accumulator 5 8 and the brake liquid in the accumulator 5 8 can be discharged to the outside of the accumulator 5 8 without pumping through the bypass flow path 4 6.
- FIG. 10 is a block diagram showing a modified example of the brake system according to the embodiment of the present invention. Further, FIG. 11 is a side view showing a schematic configuration of a bicycle equipped with a modified example of the brake system according to the embodiment of the present invention.
- the components of the control unit 74 are configured as the control board? 1.
- the operation determination control board 7 2 of the front wheel side hydraulic pressure control device 1 and the operation determination control board 7 2 of the rear wheel side hydraulic pressure control device 2 are shared. Further, the operation determination control board 7 2 is housed in a place different from the housing 80 of the front wheel side hydraulic pressure control device 1 and the housing 80 of the rear wheel side hydraulic pressure control device 2.
- the signal output unit 7 5 of the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 are also configured as the operation determination control board 72.
- the operation determination control board 7 2 determines the opening / closing operation of the control valve 5 5 of the front wheel side hydraulic pressure control device 1 based on the information on the running condition of the bicycle 200, and determines the opening / closing operation of the rear wheel side. Determines the opening / closing operation of the control valve 5 5 of the hydraulic pressure control device 2. Further, the control board 71 1 of the front wheel side hydraulic pressure control device 1 controls the opening / closing operation of the control valve 5 5 of the front wheel side hydraulic pressure control device 1 based on the determination by the operation determination control board 7 2.
- control board 7 1 of the front wheel side hydraulic pressure control device 1 has the first coil 6 1 and the second coil 6 2 of the front wheel side hydraulic pressure control device 1 based on the determination by the operation determination control board 7 2. Control the energization to. Further, the control board 71 1 of the rear wheel side hydraulic pressure control device 2 controls the opening / closing operation of the control valve 5 5 of the rear wheel side hydraulic pressure control device 2 based on the determination by the operation determination control board 7 2. In other words, the control board 7 1 of the rear wheel side hydraulic pressure control device 2 has the first coil 6 1 and the second coil 6 of the rear wheel side hydraulic pressure control device 2 based on the determination by the operation determination control board 7 2. Control the energization to 2.
- the operation determination control board 7 2 is used in the housing 8 ⁇ of the front wheel side hydraulic pressure control device 1 and the housing 8 of the rear wheel side hydraulic pressure control device 2. It can be stored in a housing different from ⁇ . That is, in the brake system 100 configured in this way, the front wheel side hydraulic pressure control The device 1 and the rear wheel side hydraulic pressure control device 2 can be made smaller, and the degree of freedom of mounting the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 to the bicycle 2 ⁇ ⁇ is further improved. do.
- the break system 100 configured in this way, the number of signal lines connected to the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 can be reduced, and the handlebar can be reduced. 2 3 3 It is possible to further suppress the complication of surroundings.
- the operation determination control board 7 2 is mounted at a position behind the handlebar 2 3 3 on the bicycle 2 ⁇ ⁇ . As a result, it is possible to prevent stones from hitting the housing that houses the operation determination control board 7 2 while the bicycle is running, and the reliability of the brake system 100 is improved.
- the control board for other devices which is the control board for devices other than the brake system 100
- the control board for operation determination is used. It is preferable that 7 2 is formed with the control board 280 of another device.
- the bicycle 2 0 0 shown in Fig. 11 is equipped with a control board for monitoring the charge amount of the power supply unit 260.
- the control board that monitors the charge amount of the power supply unit 260 is used as the control board 280 for other devices.
- the control board for other devices is not particularly limited as long as it is a control board for devices other than the brake system 100.
- some saddle-mounted vehicles equipped with an engine as a drive source are equipped with an engine control unit.
- the control board of this engine control unit may be used as the control board of another device.
- the manufacturing cost of the brake system 1 ⁇ ⁇ is lower than when the operation determination control board 7 2 is manufactured as a dedicated control board. Can be reduced.
- the detection device for example, presser sensor 5 9 etc.
- the detection device that detects the information used by the operation determination control board 7 2 to determine the opening / closing operation of the control valve 5 5 and the other device control board 2 80 are signal lines. When connected with, the number of signal lines routed to the bicycle 2 ⁇ ⁇ can be reduced compared to the case where the operation determination control board 7 2 is manufactured as a dedicated control board, and the bicycle 2 It is possible to reduce the manufacturing man-hours and manufacturing costs of ⁇ . [. 0 9 2 FIG.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 shown in Fig. 1 2 include the master cylinder 5 ⁇ (in other words, the piston mounting hole 2 1) and the inlet valve 5 6 in the internal flow path 4 ⁇ . It is equipped with a pump 60 that sends brake fluid to the area between them.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 shown in FIG. 1 2 are the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 shown in FIG.
- a pump 60 is provided in the bypass flow path 4 6.
- the front wheel side hydraulic pressure control device 1 and the rear wheel side hydraulic pressure control device 2 configured in this way operate the pump 60 to store the brake liquid in the accumulator 5 8 during decompression in the anti-lock brake control. Can be discharged to the outside of the accumulator 5 8 via each of the bypass flow 4 6.
- the front wheel side hydraulic pressure control device 1 configured as shown in Fig. 1 2 opens the inlet valve 5 6 and the outlet valve 5 7 when the rider is not holding the brake lever 2 4 1.
- the brake fluid in the wheel cylinder 2 5 3 of the front wheel side braking unit 2 5 1 can be increased in pressure, and braking force can be generated in the front wheel 2 1 7.
- the rear wheel side hydraulic pressure control device 2 configured as shown in Fig. 1 2 opens the inlet valve 5 6 and opens the outlet valve 5 7 when the rider is not holding the brake lever 2 4 1.
- the break liquid of the wheel cylinder 2 5 3 of the rear wheel side braking part 2 5 2 can be increased in pressure, and braking force can be generated in the rear wheel 2 2 0.
- the bicycle 200 can be provided with an automatic braking function. Also, for example, in this way, the front wheels 2 1 7 and the rear wheels By generating a braking force on at least one of the 2 ⁇ ⁇ , it is possible to stabilize the behavior of the bicycle 2 ⁇ ⁇ , such as suppressing slipping when the bicycle ⁇ ⁇ turns.
- the conventional method of turning on the brake lamp based on the detection result of the brake switch is to brake because the rider does not hold the brake lever 2 4 1.
- Lamp 2 2 1 cannot be illuminated.
- the pressure detected by the pressure sensor 5 9 increases during the operation of the pump 60, the rider does not hold the brake lever 2 4 1 by outputting the control signal of the brake lamp 2 2 1.
- the brake lamp 2 2 1 can be lit.
- the vehicle traveling behind the bicycle 200 can tell that the braking force of the bicycle has changed. Therefore, when the pressure detected by the pressure sensor 59 increases during the operation of the pump 60, the safety of the bicycle 200 is improved by outputting the control signal of the brake lamp 2 1.
- Front wheel side hydraulic pressure control device 2 Rear wheel side hydraulic pressure control device, 1 0 base, 1 1 1st surface, 1 2 2nd surface, 1 3 3rd surface, 1 4 4th surface, 1 5 5th surface , 1 6 6th surface, 2 1 piston mounting hole, 2 2 bottom, 2 3 opening, 2 4 inlet valve mounting hole, 2 5 opening, 2 6 outlet valve removal With hole, 2 7 opening, 30 pressure sensor mounting hole, 3 1 opening, 4 0 internal flow path, 4 1 1st flow path, 4 2 2nd flow path, 4 3 3rd flow path, 44 4th Flow path, 4 5 wheel cylinder port, 4 6 bypass flow path, 4 y check valve, 5 ⁇ master cylinder, 5 1 piston, 5 2 reservoir tank, 5 3 opening, 54 lid, 5 5 control valve, 5 6 Inlet valve, 5 7 outlet valve, 58 accumulator, 5 9 pressure sensor, 60 pump, 6 1 1st coil, 6 2 2nd coil, 6 3 terminal, 6 4 terminal, 70 control device, 7 1 control board , 7 2 Control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2022569317A JPWO2022130118A1 (ja) | 2020-12-17 | 2021-12-07 | |
EP21835388.6A EP4265492A1 (en) | 2020-12-17 | 2021-12-07 | Brake system and saddle riding-type vehicle |
KR1020237024100A KR20230118980A (ko) | 2020-12-17 | 2021-12-07 | 브레이크 시스템 및 안승형 차량 |
CN202180085435.9A CN116615355A (zh) | 2020-12-17 | 2021-12-07 | 制动系统及跨骑式车辆 |
Applications Claiming Priority (2)
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JP2020209561A JP2022096450A (ja) | 2020-12-17 | 2020-12-17 | ブレーキシステム及び鞍乗型車両 |
JP2020-209561 | 2020-12-17 |
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WO2022130118A1 true WO2022130118A1 (ja) | 2022-06-23 |
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Family Applications (1)
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PCT/IB2021/061389 WO2022130118A1 (ja) | 2020-12-17 | 2021-12-07 | ブレーキシステム及び鞍乗型車両 |
Country Status (6)
Country | Link |
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EP (1) | EP4265492A1 (ja) |
JP (2) | JP2022096450A (ja) |
KR (1) | KR20230118980A (ja) |
CN (1) | CN116615355A (ja) |
TW (1) | TW202229061A (ja) |
WO (1) | WO2022130118A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220266944A1 (en) * | 2021-02-25 | 2022-08-25 | Michael Robert Kerschbaumer | Braking assemblies and methods of manufacture and use thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009234502A (ja) * | 2008-03-28 | 2009-10-15 | Nissin Kogyo Co Ltd | バーハンドル車両用ブレーキ液圧制御装置 |
EP2119609A1 (en) * | 2007-02-09 | 2009-11-18 | Bosch Corporation | Brake control device for two-wheeled motor vehicle |
JP2010254208A (ja) * | 2009-04-28 | 2010-11-11 | Bosch Corp | モータサイクル用abs液圧ユニット |
EP2857268A1 (en) * | 2012-05-31 | 2015-04-08 | Robert Bosch GmbH | Abs hydraulic unit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6481529B2 (ja) | 2015-07-06 | 2019-03-13 | スズキ株式会社 | 慣性センサの取付構造及び自動二輪車 |
-
2020
- 2020-12-17 JP JP2020209561A patent/JP2022096450A/ja active Pending
-
2021
- 2021-12-07 EP EP21835388.6A patent/EP4265492A1/en active Pending
- 2021-12-07 KR KR1020237024100A patent/KR20230118980A/ko unknown
- 2021-12-07 CN CN202180085435.9A patent/CN116615355A/zh active Pending
- 2021-12-07 JP JP2022569317A patent/JPWO2022130118A1/ja active Pending
- 2021-12-07 WO PCT/IB2021/061389 patent/WO2022130118A1/ja active Application Filing
- 2021-12-16 TW TW110147210A patent/TW202229061A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2119609A1 (en) * | 2007-02-09 | 2009-11-18 | Bosch Corporation | Brake control device for two-wheeled motor vehicle |
JP2009234502A (ja) * | 2008-03-28 | 2009-10-15 | Nissin Kogyo Co Ltd | バーハンドル車両用ブレーキ液圧制御装置 |
JP2010254208A (ja) * | 2009-04-28 | 2010-11-11 | Bosch Corp | モータサイクル用abs液圧ユニット |
EP2857268A1 (en) * | 2012-05-31 | 2015-04-08 | Robert Bosch GmbH | Abs hydraulic unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220266944A1 (en) * | 2021-02-25 | 2022-08-25 | Michael Robert Kerschbaumer | Braking assemblies and methods of manufacture and use thereof |
Also Published As
Publication number | Publication date |
---|---|
KR20230118980A (ko) | 2023-08-14 |
CN116615355A (zh) | 2023-08-18 |
TW202229061A (zh) | 2022-08-01 |
JP2022096450A (ja) | 2022-06-29 |
JPWO2022130118A1 (ja) | 2022-06-23 |
EP4265492A1 (en) | 2023-10-25 |
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