Working method for integrated braking device with electromagnetic braking and friction braking
An electromagnetic braking and braking device technology, applied in electric braking systems, electric vehicles, braking actuators, etc. Safe and reliable, simple control, stable work effect
Active Publication Date: 2016-06-22
江阴智产汇知识产权运营有限公司
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Problems solved by technology
This brings about a control problem, that is, the electromagnetic braking force and the frictional braking force cannot be well matched to adapt to the braking conditions of different vehicle speeds and different braking strengths.
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Embodiment Construction
[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0045] Such as Figure 1-4 As shown, the electromagnetic braking and friction braking integrated braking device consists of a coil base 3, a piston 7, a brake caliper body 8, a friction block 9, an iron core 10, a friction disc 11, a coil 15 and a bearing 16, and the torque is returned to normal. Part 2, screw rod 4, nut 5, stopper 6. One end of the axle 1 is fixedly connected to the friction disc 11, the coil base 3 is supported on the axle through the bearing 16, the coil 15 is wound on the iron core 10, and the iron core 10 is fixedly connected to the coil base 3 (the material can be low carbon steel). The caliper is fixedly connected to the suspension. The brake caliper includes a piston 7, a brake caliper body 8 and a friction block 9. The brake fluid in the brake calipe...
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The invention discloses a working method for an integrated braking device with electromagnetic braking and friction braking. The integrated braking device includes three modes, namely, a non-working mode, only an electromagnetic braking working mode and a common working mode of electromagnetic braking and friction braking. The braking process is also completed in three modes. Friction braking and electromagnetic braking still work together; however, the torque value of friction braking and the torque value of electromagnetic braking are reduced. Friction braking stops working, and only an electromagnetic brake continues working. Both the friction braking and electromagnetic braking stop working, and the braking process is ended completely. According to the working mode, the working condition of friction braking can be controlled indirectly by controlling the electromagnetic braking, and the mode solves the problems that electromagnetic braking and friction braking work independently in the prior art, coordination control is complicated, different braking modes cannot be distinguished easily under different braking conditions, and unstabilized factors are brought to the system by braking force mutation in the mode switching process. The working mode is simple and feasible, easy and reliable to control, and quite suitable for small car braking systems.
Description
technical field [0001] The invention relates to a brake for a car, in particular to a working method of an electromagnetic brake and friction brake integrated brake device. Background technique [0002] At present, the brakes installed on cars are almost all friction brakes, and most of them are disc friction brakes. Its working process is as follows: the driver steps on the brake pedal, increases the pressure of the oil circuit through the brake master cylinder, and the hydraulic oil circuit transmits the force of the brake pedal. Under the action of high pressure oil, the piston in the brake caliper pushes the friction block to the The brake disc generates frictional torque for braking. In this braking technical solution, there is only one source of braking torque, that is, the braking torque generated by the extrusion between the friction block and the friction disc. When the car brakes frequently, the friction block will frequently squeeze the friction disc. This proce...
Claims
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IPC IPC(8): B60L7/24F16D65/14F16D121/20F16D125/40
CPCB60L7/24F16D65/14F16D2121/20F16D2125/40
Inventor 何仁涂琨
Owner 江阴智产汇知识产权运营有限公司