CN216002536U - Back-slip prevention system of electric automobile - Google Patents
Back-slip prevention system of electric automobile Download PDFInfo
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- CN216002536U CN216002536U CN202121470435.4U CN202121470435U CN216002536U CN 216002536 U CN216002536 U CN 216002536U CN 202121470435 U CN202121470435 U CN 202121470435U CN 216002536 U CN216002536 U CN 216002536U
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- caliper
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- timer
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Abstract
The utility model discloses an anti-backward-slip system of an electric automobile, wherein a brake pedal is connected with an ESP system to output a brake signal to the ESP system, the ESP system is connected with a caliper controller and outputs the brake signal to the caliper controller, the brake pedal is connected with a timer and outputs the brake signal to the timer, and the timer is connected with the ESP system and outputs a timing signal to the ESP system. The system can realize the parking braking, the starting auxiliary braking, the auxiliary braking in the long-slope running process, and the reliable braking under the fault conditions of high-voltage power failure and the like of the vehicle.
Description
Technical Field
The utility model relates to the technical field of new energy automobiles, in particular to the technical field of an anti-slip system device of an electric automobile.
Background
Along with diversification of the field of automobile technical development, the problems of energy shortage and air pollution are highlighted increasingly while the traditional fuel oil vehicle is popularized in a large quantity, on the premise of the two problems, new energy vehicles are vigorously developed in all countries in the world to solve the two problems of energy shortage and environmental pollution, the pure electric vehicles which are developed rapidly in China at present are accepted by related people and buy the first pure electric vehicle of life, and the use safety of the traditional fuel oil vehicle and the pure electric vehicle is a common target of technical development; however, at present, backward slip is prevented in the running process of a pure electric vehicle only by passive braking and reverse-dragging braking of a motor, and the phenomenon that the vehicle slips backward when running on a long slope or a large slope often occurs.
Disclosure of Invention
The utility model aims to solve the technical problem of realizing a backward slip prevention system of an electric automobile, which can realize the parking braking, the starting auxiliary braking, the auxiliary braking in the long-slope driving process, and the reliable braking under the fault conditions of high-voltage power failure and the like of the automobile.
In order to achieve the purpose, the utility model adopts the technical scheme that: a brake pedal is connected with an ESP system to output a brake signal to the ESP system, the ESP system is connected with a caliper controller to output the brake signal to the caliper controller, the brake pedal is connected with a timer to output the brake signal to the timer, and the timer is connected with the ESP system to output a timing signal to the ESP system.
The caliper controller is connected with a parking switch, and the parking switch outputs a parking state signal to the caliper controller.
The accelerator pedal is connected with the caliper brake, and outputs an accelerator state signal to the caliper controller.
The caliper controller is directly connected with the brake caliper, and the caliper power supply is directly connected with the caliper controller and the brake caliper.
The brake calipers are installed on an electric automobile wheel assembly, a caliper power supply is directly connected with the DC-DC, and electric energy of the caliper power supply is provided through a power battery through a DC-DC system.
The utility model has the advantages that:
(1) the anti-backward-sliding device powered by the caliper power supply is additionally arranged in the conventional electric automobile, so that the conventional electric automobile can be used for assisting in braking when the automobile is parked on a slope during hill starting and running on an upper slope and a lower slope and when the automobile is powered off;
(2) the anti-backward-sliding device system of the existing electric automobile is additionally provided with the timer and is combined with the ramp sensor, so that when a driver brakes on an uphill slope, the driver can keep the automobile in a static state by stepping on the brake pedal for more than 3 seconds, and feet are released;
(3) particularly, when the vehicle brake system fails, the power battery is powered off, and the DC-DC system fails, so that the brake cannot be normally braked, the anti-backward-slip device can realize the function of auxiliary brake.
Drawings
The following is a brief description of the contents of each figure and the symbols in the figures in the description of the utility model:
FIG. 1 is a schematic diagram of an anti-rollback system of an electric vehicle;
the labels in the above figures are: 1. an ESP system; 2. a caliper controller; 3. a parking switch; 4. a brake pedal; 5. a timer; 6. a caliper power supply; 7. a brake caliper; 8. a wheel; 9. an accelerator pedal; 10. a DC-DC converter; 11. and a power battery.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to describe the embodiments of the present invention, and the embodiments of the present invention, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing processes and the operation and use methods, etc., will be further described in detail to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
As shown in fig. 1, the anti-rollback system of the electric vehicle includes a brake pedal 4, an ESP system 1, a caliper controller 2, a parking switch 3, a timer 5, a caliper power supply 6, brake caliper 7, accelerator pedal 9, DC-DC converter 10, wheel 8, power battery 11 etc, brake pedal 4 links to each other with ESP system 1 and time-recorder 5 respectively, time-recorder 5 links to each other with ESP system 1, ESP system 1 directly links to each other with the calliper controller and accomplishes the information interaction, calliper controller 2 directly links to each other with brake caliper 7, calliper power 6 directly links to each other with calliper controller 2 and brake caliper 7, parking switch 3 button directly links to each other with calliper controller 2, accelerator pedal 9 directly links to each other with calliper controller 2, brake caliper 7 is directly installed on electric automobile wheel 8 assembly, calliper power 6 links to each other with direct DC-DC, calliper power 6 electric energy is provided through the DC-DC system through power battery 11.
In the running process of the vehicle, the brake pedal 4 sends a trigger signal to the timer 5, the timer 5 records the time for trampling the brake pedal 4 and sends the time to the ESP system 1, the ESP system 1 can automatically brake according to the time control, so that the anti-rolling function is realized, particularly, when the vehicle is in an uphill state and a downhill state, a slope sensor signal is combined, for example, when the brake pedal is continuously trampled for more than 3s, the timer 5 sends a signal that the brake pedal is always in a braking state to the ESP system 1, and auxiliary braking can be released until the accelerator pedal 9 is trampled; in the vehicle hill starting stage, by combining signals of a hill sensor and calibration parameters, when the accelerator pedal 9 is stepped on and the vehicle driving force is larger than the vehicle resistance, auxiliary braking is released instantly, and the effect of preventing the vehicle from slipping backwards and starting stably on the hill is achieved.
The caliper controller 2, the brake caliper 7 and the parking switch 3 are independently powered through a caliper power supply 6, electric energy of the caliper power supply 6 is provided through a power battery 11 through a DC-DC system, and meanwhile, when the SOC of the caliper power supply 6 is lower than 50%, the caliper power supply 6 is charged through the DC-DC system, so that the reliable realization of an auxiliary braking function after the DC-DC system or the power battery 11 breaks down is ensured.
The anti-backward-slip system of the electric automobile is additionally provided with the anti-backward-slip device system powered by the caliper power supply 6 in the conventional electric automobile, so that the conventional electric automobile is successfully braked in a power-off state or a DC-DC system failure state; the timer 5 is added in the anti-back-slip device system of the prior electric automobile, so that the aim of keeping the automobile in a static state can be achieved without always stepping on the brake pedal 4 when a driver brakes on an ascending slope and a descending slope.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.
Claims (5)
1. The utility model provides an electric automobile prevents back swift current system, brake pedal connect ESP system output brake signal to ESP system, ESP system connection calliper controller and output brake signal to calliper controller which characterized in that: the brake pedal is connected with the timer and outputs a brake signal to the timer, and the timer is connected with the ESP system and outputs a timing signal to the ESP system.
2. The electric vehicle anti-rollback system according to claim 1, wherein: the caliper controller is connected with a parking switch, and the parking switch outputs a parking state signal to the caliper controller.
3. The electric vehicle anti-rollback system according to claim 1 or 2, wherein: the accelerator pedal is connected with the caliper brake and outputs an accelerator state signal to the caliper controller.
4. The electric vehicle anti-rollback system according to claim 3, wherein: the caliper controller is directly connected with the brake caliper, and the caliper power supply is directly connected with the caliper controller and the brake caliper.
5. The electric vehicle anti-rollback system according to claim 4, wherein: the brake calipers are installed on an electric automobile wheel assembly, a caliper power supply is directly connected with the DC-DC, and electric energy of the caliper power supply is provided through a power battery through a DC-DC system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121470435.4U CN216002536U (en) | 2021-06-30 | 2021-06-30 | Back-slip prevention system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121470435.4U CN216002536U (en) | 2021-06-30 | 2021-06-30 | Back-slip prevention system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216002536U true CN216002536U (en) | 2022-03-11 |
Family
ID=80590466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121470435.4U Active CN216002536U (en) | 2021-06-30 | 2021-06-30 | Back-slip prevention system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216002536U (en) |
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2021
- 2021-06-30 CN CN202121470435.4U patent/CN216002536U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230412 Address after: Floor 18, Building 13, Science and Technology Industrial Park, No. 717 Zhongshan South Road, Wuhu High tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Tairui Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |