CN203753120U - Brake device for electric vehicle - Google Patents
Brake device for electric vehicle Download PDFInfo
- Publication number
- CN203753120U CN203753120U CN201320883108.0U CN201320883108U CN203753120U CN 203753120 U CN203753120 U CN 203753120U CN 201320883108 U CN201320883108 U CN 201320883108U CN 203753120 U CN203753120 U CN 203753120U
- Authority
- CN
- China
- Prior art keywords
- brake
- brake pedal
- oil pump
- master cylinder
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a brake device for an electric vehicle. The brake device comprises a brake pedal, a brake main oil cylinder, a liquid storage tank and brake oil cylinders arranged at all wheels of the electric vehicle; the root of the brake pedal is hinged to a vehicle body of the electric vehicle through a rotating shaft; the middle of the brake pedal is connected with a piston rod of the brake main oil cylinder through a connecting rod; a rodless cavity of the brake main oil cylinder is communicated with the liquid storage tank, and is respectively connected with the brake oil cylinders arranged at all the wheels of the electric vehicle; the brake device also comprises an angle sensor, a control and drive circuit and an oil pump; the angle sensor, the control and drive circuit and the oil pump are sequentially connected; the angle sensor is arranged at the rotating shaft at the root of the brake pedal; the oil pump is communicated with a rod cavity of the brake main oil cylinder. The brake device has the advantages of high brake performance, high brake speed, high safety factor and short brake distance.
Description
Technical field
The utility model relates to elec. vehicle field, is specifically related to a kind of brake gear for elec. vehicle.
Background technology
Prior art generally comprises brake pedal, braking master cylinder, fluid reservoir for the brake gear of elec. vehicle and is located at the brake cylinder at each wheel place of elec. vehicle, the root of brake pedal is by the hinged car body that is installed on elec. vehicle of rotating shaft, the middle part of brake pedal is connected with the piston rod of braking master cylinder by connecting rod, the rodless cavity of braking master cylinder is communicated with fluid reservoir, and the rodless cavity of braking master cylinder is connected with the brake cylinder of being located at each wheel place of elec. vehicle respectively.But prior art adopts single physical construction to detect the structure of brake pedal motion for the brake gear of elec. vehicle, in the time that overload of vehicle moves, exists drag friction power inadequate, braking distance is elongated, and deceleration and stopping performance is not good enough, the shortcoming that braking distance is long.
Utility model content
The technical problems to be solved in the utility model is to provide the brake gear for elec. vehicle that a kind of deceleration and stopping performance is high, brake speed is fast, safety factor is high, braking distance is short.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of brake gear for elec. vehicle, comprise brake pedal, braking master cylinder, fluid reservoir and the brake cylinder of being located at each wheel place of elec. vehicle, the root of described brake pedal is by the hinged car body that is installed on elec. vehicle of rotating shaft, the middle part of described brake pedal is connected with the piston rod of braking master cylinder by connecting rod, the rodless cavity of described braking master cylinder is communicated with fluid reservoir, and the rodless cavity of described braking master cylinder is connected with the brake cylinder of being located at each wheel place of elec. vehicle respectively, the utility model also comprises angular transducer, control driving circuit, oil pump, described angular transducer, control driving circuit, oil pump is connected successively, described angular transducer is installed in the rotating shaft of brake pedal root, described control driving circuit comprises the microprocessor and the driving circuit that are connected in series, the input end of described microprocessor is connected with angular transducer, the mouth of described microprocessor is connected with oil pump by driving circuit, described oil pump is communicated with the rod chamber of braking master cylinder.
The utility model has following advantage for the brake gear of elec. vehicle: in the time trampling brake pedal, brake pedal is by the piston rod of connecting rod traction braking master cylinder, the piston extruding of braking master cylinder makes the high pressure oil of the rodless cavity of braking master cylinder be pressed into the brake cylinder at each wheel place of elec. vehicle along pipeline, make the brake cylinder at each wheel place of elec. vehicle drive brake shoes to open, brake shoes and wheel hub friction produce lock torque, thereby wheel is checked, simultaneously, because the present embodiment also comprises angular transducer, control driving circuit, oil pump, angular transducer, control driving circuit, oil pump is connected successively, angular transducer is installed in the rotating shaft of brake pedal root, oil pump is communicated with the rod chamber of braking master cylinder, therefore angular transducer also can be followed the movement output detection signal of brake pedal, the mechanical angle variable quantity that brake pedal is stepped on is converted into analog electrical signal amount, and detection signal is amplified to rear drive oil pump, oil pump injects high pressure oil in the rod chamber of braking master cylinder, make to promote rapidly the piston of braking master cylinder, the piston that makes to brake master cylinder moves sooner and reaches the terminal of stroke, the connecting rod and two of the angular transducers that form brake pedal detect the structure that brake pedal moves, there is deceleration and stopping performance high, brake speed is fast, safety factor is high, the advantage that braking distance is short.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment 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 embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the theory structure schematic diagram of the utility model embodiment.
Marginal data: 1, brake pedal; 11, rotating shaft; 12, connecting rod; 2, braking master cylinder; 3, fluid reservoir; 4, brake cylinder; 5, angular transducer; 6, control driving circuit; 61, microprocessor; 62, driving circuit; 7, oil pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
As shown in Figure 1, the present embodiment comprises brake pedal 1, braking master cylinder 2, fluid reservoir 3 for the brake gear of elec. vehicle and is located at the brake cylinder 4 at each wheel place of elec. vehicle, the root of brake pedal 1 is by the hinged car body that is installed on elec. vehicle of rotating shaft 11, the middle part of brake pedal 1 is connected with the piston rod of braking master cylinder 2 by connecting rod 12, the rodless cavity of braking master cylinder 2 is communicated with fluid reservoir 3, and the rodless cavity of braking master cylinder 2 is connected with the brake cylinder 4 of being located at each wheel place of elec. vehicle respectively; In addition the present embodiment also comprises angular transducer 5, controls driving circuit 6, oil pump 7, angular transducer 5, control driving circuit 6, oil pump 7 are connected successively, angular transducer 5 is installed in the rotating shaft 11 of brake pedal 1 root, control driving circuit 6 and comprise the microprocessor 61 and the driving circuit 62 that are connected in series, the input end of microprocessor 61 is connected with angular transducer 5, the mouth of microprocessor 61 is connected with oil pump 7 by driving circuit 62, and oil pump 7 is communicated with the rod chamber of braking master cylinder 2.The working process of the present embodiment is as follows: in the time trampling brake pedal 1, brake pedal 1 is by the piston rod of connecting rod 12 traction braking master cylinders 2, the piston extruding of braking master cylinder 2 makes the high pressure oil of the rodless cavity of braking master cylinder 2 be pressed into the brake cylinder 4 at each wheel place of elec. vehicle along pipeline, make the brake cylinder 4 at each wheel place of elec. vehicle drive brake shoes to open, brake shoes and wheel hub friction produce lock torque, thereby wheel is checked, simultaneously, because the present embodiment also comprises angular transducer 5, control driving circuit 6, oil pump 7, angular transducer 5, control driving circuit 6, oil pump 7 is connected successively, angular transducer 5 is installed in the rotating shaft 11 of brake pedal 1 root, oil pump 7 is communicated with the rod chamber of braking master cylinder 2, therefore angular transducer 5 also can be followed the movement output detection signal of brake pedal 1, the mechanical angle variable quantity that brake pedal 1 is stepped on is converted into analog electrical signal amount and exports to microprocessor 61, microprocessor 61 is converted to digital signal amount by built-in A/D modular converter by analog electrical signal amount, microprocessor 61 is exported control signal to driving circuit 62 according to digital signal amount, control signal is amplified rear drive oil pump 7 by driving circuit 62, oil pump 7 injects high pressure oil in the rod chamber of braking master cylinder 2, promote rapidly the piston of braking master cylinder 2, the piston that makes to brake master cylinder 2 moves sooner and reaches the terminal of stroke, the connecting rod 12 and 5 two of the angular transducers that form brake pedal detect the structure that brake pedal 1 moves, there is deceleration and stopping performance high, brake speed is fast, safety factor is high, the advantage that braking distance is short.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of carrying out under the prerequisite that does not depart from principle of the present utility model, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. the brake gear for elec. vehicle, comprise brake pedal (1), braking master cylinder (2), fluid reservoir (3) and be located at the brake cylinder (4) at each wheel place of elec. vehicle, the root of described brake pedal (1) is by the hinged car body that is installed on elec. vehicle of rotating shaft (11), the middle part of described brake pedal (1) is connected with the piston rod of braking master cylinder (2) by connecting rod (12), the rodless cavity of described braking master cylinder (2) is communicated with fluid reservoir (3), and the rodless cavity of described braking master cylinder (2) is connected with the brake cylinder (4) of being located at each wheel place of elec. vehicle respectively, it is characterized in that: described brake gear also comprises angular transducer (5), control driving circuit (6), oil pump (7), described angular transducer (5), control driving circuit (6), oil pump (7) is connected successively, described angular transducer (5) is installed in the rotating shaft (11) of brake pedal (1) root, described control driving circuit (6) comprises the microprocessor (61) and the driving circuit (62) that are connected in series, the input end of described microprocessor (61) is connected with angular transducer (5), the mouth of described microprocessor (61) is connected with oil pump (7) by driving circuit (62), described oil pump (7) is communicated with the rod chamber of braking master cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883108.0U CN203753120U (en) | 2013-12-31 | 2013-12-31 | Brake device for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883108.0U CN203753120U (en) | 2013-12-31 | 2013-12-31 | Brake device for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203753120U true CN203753120U (en) | 2014-08-06 |
Family
ID=51248424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320883108.0U Expired - Fee Related CN203753120U (en) | 2013-12-31 | 2013-12-31 | Brake device for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203753120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738328A (en) * | 2013-12-31 | 2014-04-23 | 合肥德通电驱动系统有限公司 | Brake device for electric vehicle |
| CN108622055A (en) * | 2018-06-30 | 2018-10-09 | 袁菊花 | The brake control of vehicle |
-
2013
- 2013-12-31 CN CN201320883108.0U patent/CN203753120U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738328A (en) * | 2013-12-31 | 2014-04-23 | 合肥德通电驱动系统有限公司 | Brake device for electric vehicle |
| CN108622055A (en) * | 2018-06-30 | 2018-10-09 | 袁菊花 | The brake control of vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |