阅读说明：本技术 一种at自动变速器智能解锁系统 (Intelligent unlocking system of AT automatic transmission ) 是由 石中玉 李婉婉 于 2020-07-12 设计创作，主要内容包括：本发明公开了一种AT自动变速器智能解锁系统,包括锁止单元、检测单元、信号输入单元以及智能控制单元,锁止单元用于锁定AT自动变速器的挡位；检测单元用于检测车辆行驶速度和行驶方向以及AT自动变速器档杆的位置并产生车速信号和档杆的位置信号；信号输入单元用于输入换挡信号；智能控制单元用于接收并处理信号输入单元输入的换挡信号以及检测单元产生的车速信号和档杆的位置信号,且智能控制单元根据接收的换挡信号以及车速信号控制锁止单元是否对AT自动变速器的挡位进行解锁。本发明,可避免挂错挡,有效避免挂错挡对AT自动变速器及整车造成意外损坏,同时杜绝给行车安全带来的安全隐患。(The invention discloses an intelligent unlocking system of an AT (automatic transmission), which comprises a locking unit, a detection unit, a signal input unit and an intelligent control unit, wherein the locking unit is used for locking a gear of the AT; the detection unit is used for detecting the running speed and the running direction of the vehicle and the position of a gear lever of the AT and generating a vehicle speed signal and a position signal of the gear lever; the signal input unit is used for inputting a gear shifting signal; the intelligent control unit is used for receiving and processing the gear shifting signal input by the signal input unit, the vehicle speed signal generated by the detection unit and the position signal of the gear lever, and controlling whether the locking unit unlocks the gear of the AT according to the received gear shifting signal and the vehicle speed signal. The automatic transmission can avoid gear shifting mistakenly, effectively avoid accidental damage to the AT automatic transmission and the whole vehicle caused by gear shifting mistakenly, and simultaneously avoid potential safety hazards brought to driving safety.)

1. An AT automatic transmission intelligent unlocking system, comprising:

a lock-up unit for locking a shift position of the AT automatic transmission;

a detection unit for detecting a vehicle running speed and a running direction and a position of a shift lever of the AT automatic transmission and generating a vehicle speed signal and a position signal of the shift lever;

a signal input unit for inputting a shift signal;

and the intelligent control unit is used for receiving and processing the gear shifting signal input by the signal input unit and the vehicle speed signal generated by the detection unit and the position signal of the gear lever, and the intelligent control unit controls whether the locking unit unlocks the gear of the AT according to the received gear shifting signal and the vehicle speed signal.

2. The intelligent unlocking system for the AT automatic transmission according to claim 1, wherein the locking unit comprises an oil tank filled with hydraulic oil, a hydraulic pump, a plurality of hydraulic cylinders and a plurality of electromagnetic valves, the oil tank, the hydraulic pump and the plurality of electromagnetic valves are all fixedly installed inside a vehicle power chamber, the plurality of hydraulic cylinders are all fixedly installed inside the AT automatic transmission, the number of the hydraulic cylinders and the number of the electromagnetic valves are the same as the number of gears of the AT automatic transmission, the hydraulic cylinders are respectively distributed AT all gear positions of the AT automatic transmission, piston rods of the hydraulic cylinders can extend into all the gears of the AT automatic transmission and are used for preventing the gear rods from being engaged into the corresponding gears, an oil inlet of the hydraulic pump is communicated with the bottom of the oil tank through a first pipeline, and the oil outlet of the hydraulic pump is fixedly provided with a second pipeline, the hydraulic cylinders are communicated with the second pipeline through oil distribution pipes, and the electromagnetic valves are respectively and fixedly arranged on the oil distribution pipes.

3. The intelligent unlocking system for the AT automatic transmission according to claim 2, wherein a return spring is arranged inside the hydraulic cylinder, the return spring is sleeved outside a piston rod inside the hydraulic cylinder, the return spring is connected with a piston inside the hydraulic cylinder in an abutting mode, and the return spring can enable the piston inside the hydraulic cylinder to automatically return.

4. The AT automatic transmission intelligent unlocking system according to claim 1, wherein the detection unit includes a rotation speed sensor fixedly installed on a vehicle half shaft and used for detecting rotation speed information and rotation direction information of a vehicle wheel, and a 3D sensor fixedly installed inside the AT automatic transmission and used for detecting gear lever position information of the AT automatic transmission.

5. The AT automatic transmission intelligent unlocking system according to claim 1, wherein the signal input unit includes a shift signal input button fixedly mounted on a shift ball of the AT automatic transmission.

6. The intelligent unlocking system for an AT automatic transmission according to claim 5, wherein the intelligent control unit comprises a controller, the controller is fixedly installed on a vehicle, and the controller is electrically connected with the shift signal input button, the rotation speed sensor, the 3D sensor, the plurality of solenoid valves and the hydraulic pump, respectively.

Technical Field

The invention relates to the technical field of AT automatic transmissions, in particular to an intelligent unlocking system of an AT automatic transmission.

Background

An AT automatic transmission is also called an automatic transmission. The automatic transmission is composed of: the hydraulic torque converter, the planetary gear transmission and the control mechanism. At (automatic transmission) stands for automatic transmission. Automatic transmissions are also known as automatic gears. The automatic transmission is composed of: the hydraulic torque converter, the planetary gear transmission and the control mechanism. Automatic transmissions have the advantages of easy operation, comfortable driving, and reduced driver fatigue, and have become a development direction for modern car configurations. The automobile with the automatic transmission can automatically change speed and change torque according to the road surface condition, and a driver can watch the road traffic with full attention without being burdened with gear shifting.

Although the automatic transmission is named as an AT automatic transmission, the automatic transmission can completely automatically shift gears, the existing AT automatic transmission generally comprises PRND gears and the like, and a shift lever still needs to be manually operated when the automatic transmission shifts gears, but for some novice drivers, the automatic transmission is not familiar with the gears of the AT automatic transmission, so that the automatic transmission and the whole vehicle are frequently mistakenly operated to shift a wrong gear, and especially, the wrong gear is mistakenly shifted under an unreasonable condition, so that the automatic transmission and the whole vehicle are accidentally damaged, and meanwhile, great potential safety hazards are brought to driving safety (such as that the vehicle speed is cut into P when the vehicle speed is too fast).

Therefore, the intelligent unlocking system for the AT automatic transmission can avoid gear shifting, effectively avoid accidental damage to the AT automatic transmission and the whole vehicle caused by gear shifting, and simultaneously avoid potential safety hazards brought to driving safety.

Disclosure of Invention

In order to solve the technical problems, the invention provides an intelligent unlocking system for an AT (automatic transmission), which aims to solve the problems that in the prior art, when a gear is mistakenly engaged, the AT and a whole vehicle are accidentally damaged, and meanwhile, great potential safety hazards are brought to driving safety.

The invention provides an intelligent unlocking system of an AT automatic transmission, which comprises:

a lock-up unit for locking a shift position of the AT automatic transmission;

a detection unit for detecting a vehicle running speed and a running direction and a position of a shift lever of the AT automatic transmission and generating a vehicle speed signal and a position signal of the shift lever;

a signal input unit for inputting a shift signal;

and the intelligent control unit is used for receiving and processing the gear shifting signal input by the signal input unit and the vehicle speed signal generated by the detection unit and the position signal of the gear lever, and the intelligent control unit controls whether the locking unit unlocks the gear of the AT according to the received gear shifting signal and the vehicle speed signal.

Optionally, the locking unit comprises an oil tank filled with hydraulic oil, a hydraulic pump, a plurality of hydraulic cylinders and a plurality of electromagnetic valves, the oil tank, the hydraulic pump and the plurality of electromagnetic valves are all fixedly installed inside a vehicle power chamber, the plurality of hydraulic cylinders are all fixedly installed inside the AT automatic transmission, the number of the hydraulic cylinders and the number of the electromagnetic valves are the same as the number of gears of the AT automatic transmission, the hydraulic cylinders are respectively distributed AT all gear positions of the AT automatic transmission, piston rods of the hydraulic cylinders can extend into all the gears of the AT automatic transmission and are used for preventing the gear rods from being hooked into the corresponding gears, oil inlets of the hydraulic pumps are communicated with the bottom of the oil tank through first pipelines, second pipelines are fixedly installed AT oil outlets of the hydraulic pumps, and the plurality of hydraulic cylinders are communicated with the second pipelines through oil distribution pipes, the electromagnetic valves are fixedly arranged on the oil distribution pipes respectively.

Optionally, a return spring is arranged inside the hydraulic cylinder, the return spring is sleeved outside a piston rod inside the hydraulic cylinder, the return spring is further connected with a piston inside the hydraulic cylinder in a contact manner, and the return spring can enable the piston inside the hydraulic cylinder to automatically reset.

Optionally, the detecting unit includes a rotation speed sensor and a 3D sensor, the rotation speed sensor is fixedly installed on a vehicle half shaft, the rotation speed sensor is used for detecting rotation speed information and rotation direction information of vehicle wheels, the 3D sensor is fixedly installed inside the AT automatic transmission, and the 3D sensor is used for detecting gear lever position information of the AT automatic transmission.

Optionally, the signal input unit includes a shift signal input button fixedly mounted on a shift ball of the AT automatic transmission.

Optionally, the intelligent control unit includes a controller, the controller is fixedly mounted on the vehicle, and the controller is electrically connected to the shift signal input button, the rotation speed sensor, the 3D sensor, the plurality of solenoid valves, and the hydraulic pump, respectively.

Compared with the prior art, the invention has the following beneficial effects: the invention is provided with a locking unit, a detection unit, a signal input unit and an intelligent control unit, wherein the locking unit is used for locking the gear of the AT automatic transmission, the detection unit is used for detecting the running speed and the running direction of a vehicle and the position of a gear lever of the AT automatic transmission and generating a vehicle speed signal and a position signal of the gear lever, the signal input unit is used for inputting a gear shifting signal, the intelligent control unit is used for receiving and processing the gear shifting signal input by the signal input unit and the vehicle speed signal and the position signal of the gear lever generated by the detection unit, the intelligent control unit controls the locking unit to unlock the gear of the AT automatic transmission according to the received gear shifting signal, the vehicle speed signal and the position signal of the gear lever, and when the intelligent control unit analyzes that safe gear shifting is possible, the intelligent control unit controls the locking unit to unlock the gear of the, can shift safely, otherwise can't hang into all the other fender positions, can avoid hanging the wrong fender, effectively avoid hanging the wrong fender and cause unexpected damage to AT automatic gearbox and whole car, stop the potential safety hazard of bringing for driving safety simultaneously.

Drawings

FIG. 1 is a schematic diagram of an architecture of an intelligent unlocking system for an AT automatic transmission according to an embodiment of the invention;

FIG. 2 is a schematic diagram illustrating an electrical connection of the intelligent unlocking system of the AT in the embodiment of the present invention;

fig. 3 is a schematic diagram of a gear corresponding relationship between an AT automatic transmission intelligent unlocking system locking unit and an AT automatic transmission 5 locking state in the embodiment of the invention;

FIG. 4 is a schematic structural diagram of a hydraulic cylinder of the intelligent unlocking system of the AT automatic transmission in the embodiment of the invention;

fig. 5 is a schematic diagram of the structure of a lock unit 1 of an AT automatic transmission intelligent unlocking system in another embodiment of the present invention;

fig. 6 is a schematic diagram of an exploded structure of a lock unit 1 of an intelligent unlocking system of an AT automatic transmission according to another embodiment of the present invention;

fig. 7 is a schematic diagram of a cross-sectional structure of the lock unit 1 of the intelligent unlocking system of the AT automatic transmission in another embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upstream," "downstream," and the like, indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.