CN215436388U - Electric brake limited alarm system and vehicle - Google Patents
Electric brake limited alarm system and vehicle Download PDFInfo
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- CN215436388U CN215436388U CN202121291958.2U CN202121291958U CN215436388U CN 215436388 U CN215436388 U CN 215436388U CN 202121291958 U CN202121291958 U CN 202121291958U CN 215436388 U CN215436388 U CN 215436388U
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Abstract
The utility model relates to an electric brake limited alarm system and a vehicle, comprising an alarm controller, a level meter sensor for collecting pitching attitude information of the vehicle and a voice alarm for giving out alarm sound; the alarm controller is connected with the voice alarm and is also connected with the level meter sensor; the alarm controller is also provided with an interface for acquiring the vehicle speed and an interface for acquiring the electric quantity of the power battery. The utility model clearly and directly prompts the early warning information of the electric brake failure risk existing in the downhill of the heavy vehicle.
Description
Technical Field
The utility model relates to an electric brake limited alarm system and a vehicle, and belongs to the technical field of electric automobile braking.
Background
The pure electric vehicle is divided into two parts in a whole vehicle braking system, one part is air braking, the other part is electric braking, and the pure electric vehicle in the current market is basically hybrid braking. When the vehicle runs on a continuous downhill, particularly when the mining vehicle in a mining area is in a heavy-load downhill, air braking is not enough at all, and the assistance of electric braking is needed. However, the electric brake force is also limited due to the limitation of the recovery current, and in an extreme case, the driver must be reminded to stop for waiting. At present, most manufacturers know that the alarming is not available or only the air pressure and the current value are displayed on an instrument for prompting, the limitation of the electric braking can not be pre-judged according to conditions, and the early warning prompting can be visually carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a voice alarm system and a vehicle, which are used for solving the problem that an early warning signal is not clear in the conventional whole vehicle braking process.
In order to achieve the purpose, the application provides an automobile electric brake limited alarm system which comprises an alarm controller, a level meter sensor and a voice alarm, wherein the level meter sensor is used for collecting the pitching attitude information of an automobile; the alarm controller is connected with the voice alarm and the level meter sensor; the alarm controller is also provided with an interface for acquiring the vehicle speed and an interface for acquiring the electric quantity of the power battery.
The utility model adds a judgment logic on the vehicle controller, adds a controller and a voice alarm, and directly prompts a driver by voice when the possibility of limited braking exists, and prompts an alarm sound of 'requiring stopping when the electric braking is limited'. The logic is that the controller judges each limiting factor of the whole vehicle, and triggers voice prompt when the condition is met to warn the driver to stop waiting. When the electric brake of the vehicle is out of work, a driver is reminded to stop for waiting in time, and the driving safety of the heavy-duty mine car in the downhill process is improved.
Furthermore, the interface for collecting the vehicle speed and the interface for collecting the electric quantity of the power battery are CAN interfaces which are arranged on the alarm controller and are used for connecting a CAN bus of the vehicle.
The alarm controller obtains the vehicle speed and the battery capacity information from the whole vehicle CAN network, is simple and reliable, and has small influence on hardware.
And furthermore, the vehicle power battery temperature monitoring system further comprises a power battery temperature sensor used for collecting the temperature of the power battery, and a CAN interface used for connecting a CAN bus of the vehicle is arranged on the power battery temperature sensor.
Furthermore, still including the driving motor temperature sensor who is used for gathering the driving motor temperature, be provided with the CAN interface that is used for connecting vehicle CAN bus on the driving motor temperature sensor.
Further, still including being used for setting up the five-in-one controller temperature sensor on the five-in-one controller, be provided with the CAN interface that is used for connecting vehicle CAN bus on the five-in-one controller temperature sensor.
The temperature sensor is arranged at the key part of the electric drive system, and when the electric brake system has fault risk due to overhigh temperature, the alarm can be controlled by the controller to give an alarm, so that the driving safety is improved.
The utility model discloses an electric brake limited alarm vehicle, which comprises an alarm controller, a voice alarm for giving out alarm sound, and a level meter sensor for acquiring pitching attitude information of the vehicle; the alarm controller is connected with the voice alarm and is also connected with the level meter sensor; the alarm controller is also provided with an interface for acquiring the vehicle speed and an interface for acquiring the electric quantity of the power battery.
The vehicle control system further comprises a vehicle control unit, wherein the interface for acquiring the vehicle speed is connected with the vehicle control unit; and the interface for acquiring the electric quantity of the power battery is connected with the vehicle control unit.
And further, the vehicle-mounted controller also comprises a whole vehicle CAN bus, wherein the interface for acquiring the vehicle speed and the interface for acquiring the electric quantity of the power battery are connected with the whole vehicle controller through the whole vehicle CAN bus.
Further, the device also comprises a five-in-one controller, a power battery and a driving motor; be provided with five unification controller temperature sensor on the five unification controllers, power battery is provided with power battery temperature sensor, the last driving motor temperature sensor that is provided with of driving motor, five unification controller temperature sensor, power battery temperature sensor, driving motor temperature sensor link to each other with alarm controller.
Furthermore, the alarm controller, the five-in-one controller temperature sensor, the power battery temperature sensor, the driving motor temperature sensor and the level meter sensor are connected with the alarm controller through a whole vehicle CAN bus.
The utility model adds the temperature sensor and the level meter sensor which are used for collecting the temperature of the important power module in the original automobile system, can timely find the possibility of electric brake limitation when judging that the automobile runs downhill and needs the combined action of air brake and electric brake, and can remind by voice, thereby solving the problem that the early warning and the reminding are not intuitive when the possible insufficient braking force occurs.
Drawings
FIG. 1 is a schematic diagram of the brake limited warning of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the system is as follows:
the electric braking limited alarm system disclosed by the utility model as shown in fig. 1 has conventional functions and hardware modules in the prior art, and the whole vehicle comprises a five-in-one controller 2, a whole vehicle controller, a CAN bus 1 and a power battery. The five-in-one controller 2 comprises a driving motor controller, a generator controller, an electric power steering controller, a DC/DC and a high-voltage power distribution. The power battery is connected with a driving motor controller through high-voltage power distribution, and the driving motor controller is connected with a driving motor 3 in a control way; the high-voltage distribution is also connected with a generator controller; the high-voltage power distribution is also connected with a self-power-assisted steering controller; the high-voltage distribution is also connected with a DC/DC (direct current/direct current), and is connected with a low-voltage system through the DC/DC, and a low-voltage storage battery is arranged in the low-voltage system. And the vehicle control unit is connected with the CAN bus 1. In the utility model, a temperature sensor of the five-in-one controller 2 for measuring the temperature of the five-in-one controller 2 is arranged on the five-in-one controller 2; a driving motor 3 temperature sensor for measuring the temperature of the driving motor 3 is arranged on the driving motor 3; and a power battery temperature sensor for measuring the temperature of the power battery is arranged on the power battery. As other embodiments. The temperatures of the driving motor 3, the five-in-one controller 2 and the power battery can also be obtained by other methods in the prior art, for example, the temperature signal of the driving motor 3 is obtained by the driving motor controller; the five-in-one controller 2 is provided with a temperature signal and is obtained through the CAN bus 1.
The temperature sensor of the five-in-one controller 2, the temperature sensor of the driving motor 3 and the temperature sensor of the power battery are all connected with the CAN bus 1.
The automobile electric brake limited alarm system comprises a level meter sensor, wherein the level meter sensor is arranged on an automobile and used for collecting pitching attitude information of the automobile, and the level meter sensor is connected with a CAN bus 1.
The automobile electric brake limited alarm system also comprises an independently arranged alarm controller, wherein the alarm controller is connected with the CAN bus 1 and is used for acquiring the temperature information of the five-in-one controller 2, the temperature information of the driving motor 3, the temperature information of the power battery and the vehicle posture information.
As other embodiments, the alarm controller can also be directly connected with the temperature sensor of the five-in-one controller 2, the temperature sensor of the driving motor 3, the temperature sensor of the power battery and the level sensor through hard wires.
The electric brake limited alarm system also comprises a voice alarm, the voice alarm is connected with the alarm controller, and the voice alarm rings to alarm when receiving the level signal of the alarm controller.
In the embodiment, an alarm controller is redundantly arranged and used for early warning and alarming when the brake fails, and as other embodiments, the alarm controller which is independently arranged can be cancelled, and a vehicle control unit is adopted to execute relevant logic judgment and drive a voice alarm system in time.
The braking-limited voice alarm system can specifically realize the collection of temperature, automobile attitude, battery capacity and fault parameters. The acquisition module includes temperature sensor and spirit level sensor, and when the car heavily loaded downhill path, the electric braking may receive the restriction when the air braking is not enough, and 3 temperature sensor collection driving motor of driving motor this moment, and power battery temperature sensor gathers power battery temperature, and 2 temperature sensor collection five-in-one controller of five-in-one controller and spirit level sensor gather the car gesture, further reachs above-mentioned temperature and gesture parameter. The temperature and the attitude parameters are sent to the alarm controller through the CAN bus 1, and meanwhile, the alarm controller collects the vehicle speed and the battery electric quantity parameters from the whole vehicle controller through the CAN bus 1 to judge and judge whether to perform voice alarm or not.
Specifically, the judgment logic is as follows: the precondition that the alarm controller judges that voice alarm is that the automobile has the speed, the vehicle inclination angle detected by the horizontal controller judges that the posture of the automobile is a downward steep slope, at the moment, if one of the following conditions is met, the whole automobile controller limits electric brake, and in order to ensure safety within a certain time, the limiting force is changed from small to large, meanwhile, the alarm controller drives the voice alarm to give an alarm to prompt that the electric brake is limited to stop, so that a driver is warned to stop along the side, and the problem is solved.
1. Detecting battery power parameters acquired by the vehicle control unit, and when the battery power SOC reaches more than 97% (the threshold value can be set according to the requirement);
2. the alarm controller detects the high temperature of the power battery;
3. the alarm controller detects high temperature or failure of the electric drive system;
the electric drive system comprises one or more of the following under the high temperature condition: the five-in-one controller 2 has high temperature and the driving motor 3 has high temperature. The high temperature condition is a temperature above a set threshold.
The fault parameters of the electric drive system CAN be obtained from the five-in-one controller 2 via the CAN bus 1 by means of an alarm controller.
If one of the conditions is met under the precondition, the vehicle controller limits the electric brake to protect the operation of a vehicle circuit, and drives the voice alarm to give an alarm to prompt a driver, so that the operation safety of the driver is ensured.
The embodiment of the vehicle is as follows:
the vehicle of the embodiment adopts the electric braking limited voice alarm system, which is sufficiently clear in the system case and is not described herein again.
The utility model adds judgment logic on the vehicle controller, adds a voice alarm, and directly prompts a driver by voice when the braking is limited so as to prompt 'the electric braking is limited to stop the vehicle'. And the logic judges each limiting factor of the whole vehicle for the vehicle controller, and triggers voice prompt to warn a driver to stop waiting when the conditions are met. When the electric brake of the vehicle is out of work, a driver is reminded to stop for waiting in time, and the driving safety of the heavy-duty mine car in the downhill process is improved.
Claims (10)
1. An electric brake limited alarm system is characterized by comprising an alarm controller, a level meter sensor and a voice alarm, wherein the level meter sensor is used for collecting pitching attitude information of a vehicle; the alarm controller is connected with the voice alarm and the level meter sensor; the alarm controller is also provided with an interface for acquiring the vehicle speed and an interface for acquiring the electric quantity of the power battery.
2. The electric brake limited alarm system of claim 1, wherein the interface for collecting vehicle speed and the interface for collecting power battery capacity are CAN interfaces on the alarm controller for connecting a CAN bus of the vehicle.
3. The electric brake limited alarm system of claim 2, further comprising a power battery temperature sensor for collecting the temperature of the power battery, wherein the power battery temperature sensor is provided with a CAN interface for connecting a CAN bus of the vehicle.
4. The electric brake limited alarm system of claim 3, further comprising a drive motor temperature sensor for collecting the temperature of the drive motor, wherein the drive motor temperature sensor is provided with a CAN interface for connecting a CAN bus of the vehicle.
5. The electric brake limited alarm system of claim 4, further comprising a five-in-one controller temperature sensor arranged on the five-in-one controller, wherein the five-in-one controller temperature sensor is provided with a CAN interface for connecting a CAN bus of a vehicle.
6. An electric brake limited alarm vehicle is characterized by comprising an alarm controller, a voice alarm for giving out alarm sound and a level meter sensor for collecting pitching attitude information of the vehicle; the alarm controller is connected with the voice alarm and is also connected with the level meter sensor; the alarm controller is also provided with an interface for acquiring the vehicle speed and an interface for acquiring the electric quantity of the power battery.
7. The vehicle of claim 6, further comprising a vehicle control unit, wherein the interface for acquiring the vehicle speed is connected with the vehicle control unit; and the interface for acquiring the electric quantity of the power battery is connected with the vehicle control unit.
8. The vehicle of claim 7, further comprising a vehicle CAN bus, wherein the interface for collecting vehicle speed and the interface for collecting power battery power are connected to the vehicle controller via the vehicle CAN bus.
9. The vehicle of claim 8, further comprising a five-in-one controller, a power battery, a drive motor; be provided with five unification controller temperature sensor on the five unification controllers, power battery is provided with power battery temperature sensor, the last driving motor temperature sensor that is provided with of driving motor, five unification controller temperature sensor, power battery temperature sensor, driving motor temperature sensor link to each other with alarm controller.
10. The vehicle of claim 9, wherein the alarm controller, the five-in-one controller temperature sensor, the power battery temperature sensor, the drive motor temperature sensor, and the level sensor are connected to the alarm controller via a vehicle CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291958.2U CN215436388U (en) | 2021-06-08 | 2021-06-08 | Electric brake limited alarm system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291958.2U CN215436388U (en) | 2021-06-08 | 2021-06-08 | Electric brake limited alarm system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215436388U true CN215436388U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121291958.2U Active CN215436388U (en) | 2021-06-08 | 2021-06-08 | Electric brake limited alarm system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215436388U (en) |
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2021
- 2021-06-08 CN CN202121291958.2U patent/CN215436388U/en active Active
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