CN212423081U - Automatic opening device for automobile auxiliary brake - Google Patents
Automatic opening device for automobile auxiliary brake Download PDFInfo
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- CN212423081U CN212423081U CN202021197042.6U CN202021197042U CN212423081U CN 212423081 U CN212423081 U CN 212423081U CN 202021197042 U CN202021197042 U CN 202021197042U CN 212423081 U CN212423081 U CN 212423081U
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Abstract
An automatic opening device for automobile auxiliary braking belongs to the technical field of automobile auxiliary braking. The utility model discloses a solve service brake and break down the braking failure under emergency, lead to the emergence problem of incident. The utility model discloses a total control unit, brake sensor and speed sensor, be connected with vehicle power on the total control unit, vehicle power is used for supplying power for the control unit, is connected with brake sensor and speed sensor on the total control unit respectively, still is connected with parking braking control unit, retarber braking control unit, engine braking control unit and automatic gear the control unit on the total control unit. The utility model discloses can realize vehicle emergency braking through electrical system under the malfunctioning condition of driving braking system, reduce vehicle accident rate.
Description
Technical Field
The utility model belongs to the technical field of the car auxiliary brake, especially, relate to a arresting gear based on car auxiliary brake principle and automatic opening.
Background
The friction type braking adopted by the automobile service braking can generate high temperature and increase the braking distance when the automobile is continuously braked. And the service braking system also has fault braking failure, which causes traffic hidden trouble.
The automobile is divided into a service brake (foot brake) and a parking brake (hand brake), and part of the automobile is provided with brake modes such as an engine brake, a retarder brake and the like. The normal running is braked by the service brake, and when the service brake fails and the braking force is insufficient, the parking brake, the engine brake and the retarder brake can be used for braking.
The parking brake, the engine brake and the retarder brake of the existing vehicle need to be started by a driver independently. When the service brake fails in emergency, the optimal time for starting the parking brake, engine brake and retarder brake can be missed due to the tension of the driver when the brake force is insufficient, and traffic accidents and economic losses can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve service brake and break down the braking failure under emergency, lead to the emergence problem of incident, propose following technical scheme:
the utility model provides an automatic opening device of car auxiliary brake, includes total control unit, brake sensor and speed sensor, be connected with the vehicle power on the total control unit, the vehicle power is used for supplying power for the control unit, is connected with brake sensor and speed sensor on the total control unit respectively, still be connected with parking braking control unit, retarber braking control unit, engine braking control unit on the total control unit, automatic fender control unit and speed of a motor vehicle recognition cell.
Preferably: the parking control unit, the retarder control unit, the engine brake control unit and the automatic gear control unit are connected with the master control unit through CAN lines.
Preferably: the intelligent control system is characterized by further comprising a cloud server, the master control unit is connected with a signal transmitting unit, the cloud server is connected with a signal receiving unit and a cloud alarm module, and the signal receiving unit receives signals sent by the signal transmitting unit.
Preferably: the cloud alarm module comprises a short message alarm and a WeChat alarm.
The vehicle is provided with the vehicle-mounted GPS, the master control unit is connected with the vehicle-mounted GPS, the brake sensor sends a brake signal to the master control unit during braking, the master control unit calculates whether brake deceleration is within designed data according to stored data and the vehicle speed of the vehicle-mounted GPS, the master control unit determines that service braking fails when exceeding the designed data range, the brake force is insufficient, if the service braking fails when being calculated, the master control unit can send a starting signal to the vehicle which is provided with engine braking and retarder braking to assist braking when the brake force is insufficient, and the master control unit can send a gear-reducing signal to the automatic transmission vehicle type to utilize the resistance of the engine to assist braking.
The utility model discloses beneficial effect embodies:
the master control unit in the auxiliary brake automatic starting device calculates whether brake deceleration is within designed data according to stored data and signals transmitted back by a rotating speed sensor, the control unit exceeds the designed data range to determine that service braking fails, the braking force is insufficient, the control unit can give a parking brake control unit at the moment, a vehicle provided with engine braking and retarder braking sends starting signals to brake, an automatic transmission type sends a gear reduction signal to brake by using the resistance of an engine, and the auxiliary brake automatic starting device is suitable for various problems of automobile braking and realizes automatic auxiliary brake management.
Drawings
Fig. 1 is a system configuration diagram of an auxiliary brake automatic opening apparatus;
FIG. 2 is a schematic structural view of embodiments three and four;
in the figure, 1-a master control unit, 2-a brake sensor, 3-a rotating speed sensor, 4-a vehicle power supply, 5-a parking brake control unit, 6-a retarder brake control unit, 7-an engine brake control unit, 8-an automatic gear control unit, 9-a cloud server, 10-a signal transmitting unit, 11-a signal receiving unit, 12-a cloud alarm module and 13-a vehicle speed identification unit.
Detailed Description
In a first specific embodiment, the embodiment is described with reference to fig. 1, and an automatic starting device for an auxiliary brake of an automobile in the embodiment includes a master control unit 1, a brake sensor 2 and a rotation speed sensor 3, where the master control unit 1 is connected with a vehicle power supply 4, the vehicle power supply 4 is used to supply power to the control unit, the master control unit 1 is connected with the brake sensor 2 and the rotation speed sensor 3, and the master control unit 1 is further connected with a parking brake control unit 5, a retarder brake control unit 6, an engine brake control unit 7 and an automatic transmission control unit 8;
the brake sensor 2 is arranged on a brake pedal or a brake master cylinder of the whole vehicle, and the master control unit 1 is arranged in the vehicle;
the rotating speed sensor 3 is arranged at a power output shaft or a wheel end of the gearbox according to different models of vehicle models, and the rotating speed sensor 3 is used for detecting the rotating speed of the power output shaft or the wheel of the gearbox in the running process of the vehicle;
the parking brake control unit 5 is in signal communication connection with the master control unit 1 through a control bus, the master control unit 1 sends an instruction to transmit the instruction to the parking brake control unit 5, and the parking brake control unit 5 controls the parking brake actuator to gradually lock a vehicle transmission shaft or wheel so as to realize braking of the vehicle in the driving process;
the retarder brake control unit 6 is connected with the master control unit 1 through a transmission line, the retarder brake control unit 6 controls a hydraulic device to reduce the running speed of a vehicle, the retarder brake control unit 6 is connected with a retarder, the retarder is provided with an executing mechanism, the executing mechanism comprises a stator and a rotor, the stator is composed of a coil and a support, the stator is installed on a gearbox end cover, two ends of the stator are respectively provided with a rotor, the rotor at one end is connected with a gearbox output shaft in a flange mode, the other rotor is connected with a transmission shaft, in the retarding process, through controlling a stator circuit of the retarder, when the rotor rotates along with the rotation of the vehicle, in the running process, magnetic lines of force are cut, and then reverse torque can be generated, so that the vehicle;
the engine brake control unit 7 receives a brake signal sent by the master control unit 1, and the engine brake control unit 7 controls the engine brake actuating mechanism to brake the driving wheel by using the compression resistance generated by the compression stroke of the engine, the internal friction force and the air intake and exhaust resistance, so that the engine is braked;
the automatic gear control unit 8 realizes automatic gear reduction operation;
according to the device structure diagram, the data of the braking deceleration designed at the time of shipment of the vehicle to which the device is applied is stored in the control unit.
The master control unit 1 calculates whether the service brake has faults or insufficient braking force according to the stored data, the brake signals returned by the brake sensor 2 and the signals returned by the rotating speed sensor 3.
If the total control unit 1 calculates that the service brake fails and the braking force is insufficient, the total control unit 1 sends a starting signal to a vehicle equipped with engine brake and retarder brake to perform auxiliary brake, and the total control unit 1 simultaneously sends a gear-reducing signal to an automatic transmission vehicle type to perform auxiliary brake by using the resistance of the engine.
The purpose of the device is to automatically start the auxiliary brake when the service brake fails and the braking force is insufficient.
The general control unit 1 is connected with a vehicle power supply 4 through an electric wire, the brake sensor 2 and the rotating speed sensor 3 are connected with the general control unit 1 through electric wires, and the general control unit 1 is connected with the parking brake control unit 5, the retarder brake control unit 6, the engine brake control unit 7, the automatic gear shifting control unit 8 and the vehicle speed identification unit 13 through electric wires.
When a driver steps on a brake pedal, a brake sensor 2 sends an instruction to a master control unit 1, after the master control unit 1 receives the brake instruction, the master control unit 1 controls a rotating speed sensor 3 to detect the running rotating speed of the vehicle, and if the running rotating speed is gradually increased
If the vehicle speed is reduced, the vehicle brake system is in a normal state, if the running speed is not changed, the vehicle brake system indicates that although a driver steps on a brake pedal, the brake system still does not play a braking role, at the moment, the brake system fails, the brake force is insufficient, and when the brake system fails, the master control unit 1 respectively controls the parking brake control unit 5, the retarder brake control unit 6, the engine brake control unit 7 and the automatic gear shifting control unit 8 which are configured for different vehicles to perform auxiliary braking.
In a second embodiment, the second embodiment is described with reference to fig. 2, in which an automatic starting device for an auxiliary brake of an automobile, a parking brake control unit 5, a retarder brake control unit 6, an engine brake control unit 7, an automatic transmission control unit 8, and a vehicle speed identification unit 13 are connected to a master control unit 1 through a CAN line.
In a third specific embodiment, the third embodiment is described with reference to fig. 2, in the third embodiment, the automatic starting device for automobile auxiliary braking further includes a cloud server 9, the master control unit 1 is connected with a signal transmitting unit 10, the cloud server 9 is connected with a signal receiving unit 11 and a cloud alarm module 12, and the signal receiving unit 11 receives a signal sent by the signal transmitting unit 10. The cloud alarm module 12 comprises a short message alarm and a WeChat alarm.
In a fourth specific embodiment, the embodiment is described with reference to fig. 2, in the embodiment, the automatic starting device for the auxiliary brake of the automobile further includes a vehicle speed recognition unit 13, the brake sensor sends a brake signal to the master control unit during braking, the master control unit calculates whether the brake deceleration is within the designed data according to the stored data and the vehicle speed of the vehicle speed recognition unit, and the master control unit determines that the service brake fails and the brake force is insufficient if the brake deceleration exceeds the designed data range; if the total control unit calculates that the service brake fails and the braking force is insufficient, the total control unit can send opening signals to a vehicle equipped with engine brake and retarder brake for auxiliary braking, and the total control unit can send a gear-reducing signal to an automatic-gear vehicle type at the same time and utilize the resistance of the engine for auxiliary braking.
When a vehicle sends out a system fault, the master control unit 1 simultaneously sends out a fault signal through the signal transmitting unit 10 in a wireless mode, at the moment, the signal receiving unit 11 of the cloud server receives the fault signal, corresponding vehicle information is automatically analyzed according to vehicle information data stored in the cloud server, the current position of the vehicle is located, the fault is sent to a mobile phone of a vehicle owner associated with a parent in a short message alarm and micro-message alarm mode, and the parent is reminded of proper treatment at the first time.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (8)
1. The utility model provides an automatic opening device of car auxiliary brake which characterized in that: including total control unit (1), braking sensor (2) and speed sensor (3), be connected with vehicle power (4) on total control unit (1), vehicle power (4) are used for the control unit power supply, are connected with braking sensor (2) and speed sensor (3) on total control unit (1) respectively, be connected with parking control unit (5) on total control unit (1).
2. The auxiliary brake automatic opening device according to claim 1, characterized in that: the master control unit (1) is also connected with a retarder control unit (6).
3. The auxiliary brake automatic opening device according to claim 1, characterized in that: the master control unit (1) is also connected with an engine brake control unit (7).
4. The auxiliary brake automatic opening device according to claim 1, characterized in that: the master control unit (1) is also connected with an automatic gear control unit (8).
5. The auxiliary brake automatic opening device according to claim 1, characterized in that: the master control unit (1) is also connected with a vehicle speed identification unit (13).
6. The auxiliary brake automatic opening device according to claim 1, characterized in that: the parking control unit (5), the retarder control unit (6), the engine brake control unit (7), the automatic gear control unit (8) and the vehicle speed identification unit (13) are connected with the master control unit (1) through a CAN bus.
7. The auxiliary brake automatic opening device according to claim 1, characterized in that: the intelligent control system is characterized by further comprising a cloud server (9), the master control unit (1) is connected with a signal transmitting unit (10), the cloud server (9) is connected with a signal receiving unit (11) and a cloud alarm module (12), and the signal receiving unit (11) receives signals sent by the signal transmitting unit (10).
8. The auxiliary brake automatic opening device according to claim 7, characterized in that: the cloud alarm module (12) comprises a short message alarm and a WeChat alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197042.6U CN212423081U (en) | 2020-06-24 | 2020-06-24 | Automatic opening device for automobile auxiliary brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197042.6U CN212423081U (en) | 2020-06-24 | 2020-06-24 | Automatic opening device for automobile auxiliary brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212423081U true CN212423081U (en) | 2021-01-29 |
Family
ID=74281907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021197042.6U Active CN212423081U (en) | 2020-06-24 | 2020-06-24 | Automatic opening device for automobile auxiliary brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212423081U (en) |
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2020
- 2020-06-24 CN CN202021197042.6U patent/CN212423081U/en active Active
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