CN104192002A - Electromagnetic braking method - Google Patents
Electromagnetic braking method Download PDFInfo
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- CN104192002A CN104192002A CN201410376518.5A CN201410376518A CN104192002A CN 104192002 A CN104192002 A CN 104192002A CN 201410376518 A CN201410376518 A CN 201410376518A CN 104192002 A CN104192002 A CN 104192002A
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- electromagnetism winding
- electromagnetic
- braking
- power conversion
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Abstract
The invention provides an electromagnetic braking method. The electromagnetic braking method comprises the steps that braking force of a driver is converted into proportionable electric signals through a sensor connected with a brake pedal; the electric signals output by the sensor are received by a controller, and corresponding control signals are output through a pre-stored data meter; power conversion is carried out on a battery voltage connected into the input end of a first power conversion circuit through the first power conversion circuit, the output end of the first power conversion circuit is connected to first electromagnetic windings, and currents of the corresponding amplitude are controlled to be output to the first electromagnetic windings according to the control signals of the controller; power conversion is carried out on a battery voltage connected into the input end of a second power conversion circuit through the second power conversion circuit, the output end of the second power conversion circuit is connected to second electromagnetic windings, and currents of the corresponding amplitude are controlled to be output to the second electromagnetic windings according to the control signals of the controller; braking force is generated according to electromagnetic resistance between the first electromagnetic windings and the second electromagnetic windings.
Description
Technical field
The present invention relates to vehicle electric field, refer to especially a kind of brake system.
Background technology
In the brake system of automobile, brake facing is the breaking piece of most critical, and the quality of all braking effects is all that brake facing plays a decisive role, so the brake facing of agreeing is the patron saint of people and automobile.
Existing brake facing mainly divides following a few class: asbestos brake lining, semi-metallic brake pad, micro-metal brake pad, NAO formula brake facing, ceramic brake, NAO ceramic brake.The principle of work of existing brake facing is mainly carried out self-friction, utilizes the friction of brake facing and brake disc (drum), and the kinetic energy that vehicle is advanced converts the heat energy after friction to, and car is stopped.
The method of traditional friction brake, causes the wearing and tearing of corresponding component, reduction of service life.
Summary of the invention
The present invention proposes a kind of electromagnetic braking method, solved the problem that friction brake in prior art causes component wear.
Technical scheme of the present invention is achieved in that
An electromagnetic braking method, based on the first electromagnetism winding and the second electromagnetism winding, described the first electromagnetism winding and tire are coaxial fixing and be arranged on wheel hub inner side, and the quantity of the first electromagnetism winding is at least 8, is evenly distributed on the circumference of wheel hub inner side; Described the second electromagnetism winding is fixed on by braking bracket on the circumference of the first electromagnetism winding travel path, and the first electromagnetism winding, with tire rotation, forms rotor, and the second electromagnetism winding is fixed on braking bracket, as stator; Comprise the following steps:
Step (a), is converted into proportional electric signal by the sensor being connected to brake pedal by navigating mate braking strength;
Step (b), receives by controller the electric signal that described sensor is exported, and by the data sheet prestoring, exports corresponding control signal;
Step (c), by the first power transformation circuit, the battery tension of its input end access is carried out to power converter, its mouth is connected to the first electromagnetism winding, and the electric current of controlling output respective magnitudes according to the control signal of described controller is to described the first electromagnetism winding; By the second power transformation circuit, the battery tension of its input end access is carried out to power converter, its mouth is connected to the second electromagnetism winding, and the electric current of controlling output respective magnitudes according to the control signal of described controller is to described the second electromagnetism winding;
Step (d), produces braking force by the electromagnetic resistance between the first electromagnetism winding and the second electromagnetism winding.
The invention has the beneficial effects as follows:
By being arranged on the generator system on axle drive shaft, realize magnetic resistance braking, avoided the component wear of traditional brake facing.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the winding construction schematic diagram of a kind of electromagnetic braking method of the present invention;
Fig. 2 is the circuit control block diagram of a kind of electromagnetic braking method of the present invention;
Fig. 3 is the diagram of circuit of a kind of electromagnetic braking method of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, a kind of electromagnetic braking method of the present invention, comprising: the first electromagnetism winding 30 and the second electromagnetism winding 70, and described the first electromagnetism winding and tire are coaxial fixing and be arranged on wheel hub inner side, the quantity of the first electromagnetism winding is at least 8, is evenly distributed on the circumference of wheel hub inner side; Described the second electromagnetism winding is fixed on by braking bracket on the circumference of the first electromagnetism winding travel path, and the first electromagnetism winding, with tire rotation, forms rotor, and the second electromagnetism winding is fixed on braking bracket, as stator.
As shown in Figure 2, electromagnetic braking method of the present invention also comprises the brake pedal sensor 40 being connected with brake pedal, according to navigating mate braking strength, exports proportional electric signal; Controller 50, receives the electric signal that described brake pedal sensor is exported, and by the data sheet prestoring, exports corresponding control signal; The first power transformation circuit 20, its input end is connected to storage battery 10, and its mouth is connected to the first electromagnetism winding, and the electric current of controlling output respective magnitudes according to the control signal of described controller 50 is to described the first electromagnetism winding 30; The second power transformation circuit 60, its input end is connected to storage battery 10, and its mouth is connected to the second electromagnetism winding 70, and the electric current of controlling output respective magnitudes according to the control signal of described controller is to described the second electromagnetism winding 70.
Based on above-mentioned winding construction and control principle, as shown in Figure 3, electromagnetic braking method of the present invention, comprises the following steps:
Step (a), is converted into proportional electric signal by the sensor being connected to brake pedal by navigating mate braking strength;
Step (b), receives by controller the electric signal that described sensor is exported, and by the data sheet prestoring, exports corresponding control signal;
Step (c), by the first power transformation circuit, the battery tension of its input end access is carried out to power converter, its mouth is connected to the first electromagnetism winding, and the electric current of controlling output respective magnitudes according to the control signal of described controller is to described the first electromagnetism winding; By the second power transformation circuit, the battery tension of its input end access is carried out to power converter, its mouth is connected to the second electromagnetism winding, and the electric current of controlling output respective magnitudes according to the control signal of described controller is to described the second electromagnetism winding;
Step (d), produces braking force by the electromagnetic resistance between the first electromagnetism winding and the second electromagnetism winding.
Described the first electromagnetism winding 30 is arranged in vehicle drive shaft, forms power generating system with the second electromagnetism winding 70, and the first electromagnetism winding is rotor-end, and the second electromagnetism winding is stator terminal.Navigating mate operates brake pedal, and controller is controlled the electric current of flow through the first electromagnetism winding and the second electromagnetism winding, and then between control the first electromagnetism winding and the second electromagnetism winding, side magnetic resistance is braking force, realizes braking effect.Between the first electromagnetism winding and the second electromagnetism winding, be air gap, there is no contact site, therefore do not produce any wearing and tearing, avoided the frictional loss of traditional brake modes.
Preferably, described controller is dsp processor.
Preferably, described controller is TMS320F2812 dsp processor.
TMS320F2812 DSP, is 32 fixed DSPs, and the AD data acquisition that it has EVA, EVB task manager and supporting 12 16 passages, has abundant Peripheral Interface, as CAN, SCI etc.The ADC module of TMS320F2812 is 12 bit resolutions, has the A and D converter of pipeline organization, the built-in dual-sampling hold circuit of TMS320F2812, and while keeping data acquisition, window has independently pre-calibration to control.And permission system is to same Channel-shifted repeatedly, allow user to carry out over-sampling algorithm, this more traditional single transformation result has increased more solution, is conducive to improve the precision of sampling.There are a plurality of trigger sources can start ADC conversion.Fast speed transfer time, ADC clock can be configured to 25MHz, and the highest sampling bandwidth is 12.5MSPS.While building data acquisition system with TMS320F2812, needn't external ADC, avoided complicated hardware design.
The present invention, by being arranged on the generator system on axle drive shaft, realizes magnetic resistance braking, has avoided the component wear of traditional brake facing.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. an electromagnetic braking method, based on the first electromagnetism winding and the second electromagnetism winding, described the first electromagnetism winding and tire are coaxial fixing and be arranged on wheel hub inner side, and the quantity of the first electromagnetism winding is at least 8, is evenly distributed on the circumference of wheel hub inner side; Described the second electromagnetism winding is fixed on by braking bracket on the circumference of the first electromagnetism winding travel path, and the first electromagnetism winding, with tire rotation, forms rotor, and the second electromagnetism winding is fixed on braking bracket, as stator; It is characterized in that, comprise the following steps:
Step (a), is converted into proportional electric signal by the sensor being connected to brake pedal by navigating mate braking strength;
Step (b), receives by controller the electric signal that described sensor is exported, and by the data sheet prestoring, exports corresponding control signal;
Step (c), by the first power transformation circuit, the battery tension of its input end access is carried out to power converter, its mouth is connected to the first electromagnetism winding, and the electric current of controlling output respective magnitudes according to the control signal of described controller is to described the first electromagnetism winding; By the second power transformation circuit, the battery tension of its input end access is carried out to power converter, its mouth is connected to the second electromagnetism winding, and the electric current of controlling output respective magnitudes according to the control signal of described controller is to described the second electromagnetism winding;
Step (d), produces braking force by the electromagnetic resistance between the first electromagnetism winding and the second electromagnetism winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410376518.5A CN104192002A (en) | 2014-08-01 | 2014-08-01 | Electromagnetic braking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410376518.5A CN104192002A (en) | 2014-08-01 | 2014-08-01 | Electromagnetic braking method |
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| Publication Number | Publication Date |
|---|---|
| CN104192002A true CN104192002A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410376518.5A Pending CN104192002A (en) | 2014-08-01 | 2014-08-01 | Electromagnetic braking method |
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| Country | Link |
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| CN (1) | CN104192002A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192011A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Electromagnetic brake system |
| CN104192006A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Electromagnetic braking method |
| CN108973968A (en) * | 2018-08-28 | 2018-12-11 | 黄知文 | Automobile electromagnetic is every empty brake booster device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333706A (en) * | 1991-10-22 | 1994-08-02 | Akebono Brake Industry Co., Ltd. | Brake apparatus for a vehicle |
| CN200999010Y (en) * | 2007-01-24 | 2008-01-02 | 练亦成 | Automobile generating set |
| WO2013006962A1 (en) * | 2011-07-14 | 2013-01-17 | Tchervenkov Jean I | Wheel assembly defining a motor/generator |
-
2014
- 2014-08-01 CN CN201410376518.5A patent/CN104192002A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333706A (en) * | 1991-10-22 | 1994-08-02 | Akebono Brake Industry Co., Ltd. | Brake apparatus for a vehicle |
| CN200999010Y (en) * | 2007-01-24 | 2008-01-02 | 练亦成 | Automobile generating set |
| WO2013006962A1 (en) * | 2011-07-14 | 2013-01-17 | Tchervenkov Jean I | Wheel assembly defining a motor/generator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192011A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Electromagnetic brake system |
| CN104192006A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Electromagnetic braking method |
| CN108973968A (en) * | 2018-08-28 | 2018-12-11 | 黄知文 | Automobile electromagnetic is every empty brake booster device |
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Application publication date: 20141210 |
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