阅读说明：本技术 一种用于电动汽车的电子换挡装置 (Electronic gear shifting device for electric automobile ) 是由 陈墨力 扶旭富 喻方云 周海滨 殷昌文 于 2019-09-23 设计创作，主要内容包括：本发明公开了一种用于电动汽车的电子换挡装置,包括：主体总成、功能开关总成以及旋钮总成；其中,所述功能开关总成装配在主体总成内,且旋钮总成与功能开关总成相互配合；所述旋钮总成用于通过按压形成驻车动作或通过转动形成换档动作,所述功能开关总成用于根据所述驻车动作或换档动作对应生成驻车信号或换档信号,并将所述驻车信号或换档信号发送给对应的执行机构,以完成驻车操作或换挡操作。本发明集成程度高,操作手感顺畅,且开关耐久寿命长。(The invention discloses an electronic gear shifting device for an electric automobile, which comprises: the device comprises a main body assembly, a function switch assembly and a knob assembly; the functional switch assembly is assembled in the main body assembly, and the knob assembly is matched with the functional switch assembly; the functional switch assembly is used for correspondingly generating a parking signal or a gear shifting signal according to the parking action or the gear shifting action and sending the parking signal or the gear shifting signal to a corresponding executing mechanism so as to finish the parking operation or the gear shifting operation. The invention has high integration degree, smooth operation hand feeling and long switch durability and service life.)

1. An electronic gear shifting device for an electric vehicle, comprising: the device comprises a main body assembly, a function switch assembly and a knob assembly; the functional switch assembly is assembled in the main body assembly, and the knob assembly is matched with the functional switch assembly; the functional switch assembly is used for correspondingly generating a parking signal or a gear shifting signal according to the parking action or the gear shifting action and sending the parking signal or the gear shifting signal to a corresponding executing mechanism so as to finish the parking operation or the gear shifting operation.

2. The electronic shifting apparatus of claim 1, wherein the main assembly comprises: the shell, the face cover and the base; the upper part of the shell is connected with the face cover, the lower part of the shell is connected with the base, and an internal installation space is formed after the shell is connected with the face cover and the base.

3. The electronic shifting apparatus of claim 2, wherein the housing is removably coupled to the face cover and/or the housing is removably coupled to the base.

4. The electronic shifting apparatus of claim 2, wherein the knob assembly comprises: a knob body with a hollow interior, which is rotatably connected to the face cover;

a button installed in the knob body;

a carousel assembly, comprising: the rotary table is provided with a first clamping position and a second clamping position in the circumferential direction; the clamping position is connected with the upper end face of the rotary disc; the first support leg and the second support leg are connected with the lower end face of the rotary table, a stopping opening is formed in the first support leg, and a grating structure is arranged at the bottom of the second support leg; the gear track is provided with gear mutation points with different height positions on the lower end surface;

the bearing is positioned in the internal installation space and sleeved on the periphery of the clamping position;

the main body of the torsion spring is sleeved on the periphery of the bearing, and two ends of the torsion spring are respectively correspondingly clamped with the first clamping position and the second clamping position;

the rotary stopping piece is arranged in the knob main body, and the bottom of the rotary stopping piece is clamped with the clamping position so as to synchronously rotate with the rotary disc component;

and the gear pin is arranged on the shell through a longitudinal mounting hole arranged on the inner wall of the shell, can longitudinally move in the mounting hole, and is abutted against the lower end face of a gear rail.

5. The electronic shifting apparatus of claim 4, wherein the bearing is an interference fit with the housing and an interference fit with the snap-in location.

6. The electronic gearshift device according to claim 4, wherein the engagement positions are circumferentially provided with a plurality of hooks at regular intervals, and the bottom of the rotary gear member is engaged with the hooks.

7. The electronic shifting apparatus of claim 4, wherein the functional switch assembly comprises:

a control board assembly fitted in the internal installation space;

at least one tact switch connected to the control panel assembly;

the photoelectric switch is connected with the control panel assembly, is arranged on a rotating path of the grating structure, generates a gear shifting signal through induction with the grating structure, and sends the gear shifting signal to the control panel assembly;

the bottom of the inner shell is connected with the light touch switch, and the top of the inner shell is abutted against the bottom of the button after penetrating through the rotary disc and the clamping position, so that the light touch switch can be triggered by pressing the button to generate a parking signal and the parking signal is sent to the control board assembly;

and the signal output assembly is connected with the control panel assembly and is used for receiving the parking signal or the gear shifting signal sent by the control panel assembly and sending the parking signal or the gear shifting signal to an executing mechanism so as to complete the parking operation or the gear shifting operation.

8. The electronic shifting apparatus of claim 7, wherein the functional switch assembly further comprises: the electromagnetic valve assembly comprises an electromagnetic valve main body and a locking rod, the electromagnetic valve main body is arranged in the internal installation space, one end of the locking rod is connected with the electromagnetic valve main body, the other end of the locking rod penetrates through the control board assembly and then extends towards the rotary table, and the electromagnetic valve main body receives a locking signal and then controls the locking rod to extend into the locking port so as to realize locking of the rotary table; and after receiving a locking releasing signal, the electromagnetic valve main body controls the locking rod to retract from the locking opening so as to release the locking of the rotary disc.

9. The electronic shifting apparatus of claim 7, wherein the functional switch assembly further comprises: a waterproof member covering all/part of the control panel assembly.

10. The electronic shifting apparatus of claim 7, wherein the tact switch is an ALPS tact switch.

Technical Field

The invention relates to the field of electric automobiles, in particular to an electronic gear shifting device for an electric automobile.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.

The electric vehicle (BEV) is a vehicle driven by a vehicle-mounted power supply and driven by a motor to run, and meets various requirements of road traffic and safety regulations. Because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen.

With the guidance of national policies, the automobile industry is developing to the aspect of new energy automobile at present, and electric automobile will become the mainstream of automobile industry, and to the necessary selector of car, the selector is mostly two kinds of structures for car at present: one is a mechanical pushing mode; one is an integrated knob rotation mode, but the conventional electronic gear shifting device is prone to the situations of knob rotation clamping stagnation, few functions and limited switch durability and service life.

Disclosure of Invention

The invention aims to solve the problems and designs an electronic gear shifting device for an electric automobile, which has the advantages of high integration degree, smooth operation hand feeling and long switch durability and service life.

The technical scheme of the invention for realizing the aim is as follows:

an electronic gear shifting device for an electric vehicle is provided, which includes: the device comprises a main body assembly, a function switch assembly and a knob assembly; the functional switch assembly is assembled in the main body assembly, and the knob assembly is matched with the functional switch assembly; the functional switch assembly is used for correspondingly generating a parking signal or a gear shifting signal according to the parking action or the gear shifting action and sending the parking signal or the gear shifting signal to a corresponding executing mechanism so as to finish the parking operation or the gear shifting operation.

Preferably, the main body assembly includes: the shell, the face cover and the base; the upper part of the shell is connected with the face cover, the lower part of the shell is connected with the base, and an internal installation space is formed after the shell is connected with the face cover and the base.

Preferably, the shell and the face cover and/or the shell and the base are detachably connected.

Preferably, the knob assembly includes: a knob body with a hollow interior, which is rotatably connected to the face cover;

a button installed in the knob body;

a carousel assembly, comprising: the rotary table is provided with a first clamping position and a second clamping position in the circumferential direction; the clamping position is connected with the upper end face of the rotary disc; the first support leg and the second support leg are connected with the lower end face of the rotary table, a stopping opening is formed in the first support leg, and a grating structure is arranged at the bottom of the second support leg; the gear track is provided with gear mutation points with different height positions on the lower end surface; the bearing is positioned in the internal installation space and sleeved on the periphery of the clamping position; the main body of the torsion spring is sleeved on the periphery of the bearing, and two ends of the torsion spring are respectively correspondingly clamped with the first clamping position and the second clamping position; the rotary stopping piece is arranged in the knob main body, and the bottom of the rotary stopping piece is clamped with the clamping position so as to synchronously rotate with the rotary disc component; and the gear pin is arranged on the shell through a longitudinal mounting hole arranged on the inner wall of the shell, can longitudinally move in the mounting hole, and is abutted against the lower end face of a gear rail.

Preferably, the bearing is in interference fit with the housing and in interference fit with the clamping location.

Preferably, the clamping position is circumferentially provided with a plurality of clamping hooks at uniform intervals, and the bottom of the rotary gear piece is clamped with the clamping hooks.

Preferably, the function switch assembly includes: a control board assembly fitted in the internal installation space; at least one tact switch connected to the control panel assembly; the photoelectric switch is connected with the control panel assembly, is arranged on a rotating path of the grating structure, generates a gear shifting signal through induction with the grating structure, and sends the gear shifting signal to the control panel assembly; the bottom of the inner shell is connected with the light touch switch, and the top of the inner shell is abutted against the bottom of the button after penetrating through the rotary disc and the clamping position, so that the light touch switch can be triggered by pressing the button to generate a parking signal and the parking signal is sent to the control board assembly; and the signal output assembly is connected with the control panel assembly and is used for receiving the parking signal or the gear shifting signal sent by the control panel assembly and sending the parking signal or the gear shifting signal to an executing mechanism so as to complete the parking operation or the gear shifting operation.

Preferably, the function switch assembly further includes: the electromagnetic valve assembly comprises an electromagnetic valve main body and a locking rod, the electromagnetic valve main body is arranged in the internal installation space, one end of the locking rod is connected with the electromagnetic valve main body, the other end of the locking rod penetrates through the control board assembly and then extends towards the rotary table, and the electromagnetic valve main body receives a locking signal and then controls the locking rod to extend into the locking port so as to realize locking of the rotary table; and after receiving a locking releasing signal, the electromagnetic valve main body controls the locking rod to retract from the locking opening so as to release the locking of the rotary disc.

Preferably, the function switch assembly further includes: a waterproof member covering all/part of the control panel assembly.

Preferably, the tact switch is an ALPS tact switch.

The invention can realize parking or gear shifting through the same knob assembly, and the rotation of the knob assembly is completely realized through the bearing, so the rotating life of the knob assembly can be prolonged on the premise of ensuring smooth hand feeling of the switch; meanwhile, as the switch assembly adopts the photoelectric switch, and the theoretical life of the photoelectric switch is unlimited, compared with the traditional design, the invention realizes stable output of the function, prolongs the service life of the switch assembly, and solves the problems that the conventional electronic gear shifting device is easy to have knob rotation clamping stagnation, has few functions and has limited durable service life of the switch.

Drawings

FIG. 1a is a general block diagram of an electronic shifting device for an electric vehicle according to a first embodiment;

FIG. 1b is a cross-sectional view of an electric gearshift device for an electric vehicle according to one embodiment;

fig. 2 is an exploded view of a first structure of an electronic shifting device for an electric vehicle according to a first embodiment;

FIG. 3 is an exploded view of a second structure of an electric gearshift device for an electric vehicle according to one embodiment;

FIG. 4a is a schematic view of an assembly of the turntable assembly with the torsion spring, the shift pin and the bearing according to an embodiment;

FIG. 4b is a schematic structural diagram of a stop motion gate and a grating structure on a turntable assembly according to an embodiment of the present invention;

FIG. 4c is a schematic structural diagram of a track of a gear position on the turntable assembly according to the first embodiment;

FIG. 5 is a schematic view of the assembly of the shift pin according to the first embodiment;

FIG. 6a is a diagram illustrating a positional relationship between a functional switch assembly (excluding a solenoid valve assembly and an inner housing) and a turntable assembly according to an embodiment;

FIG. 6b is a schematic view of the functional switch assembly (excluding the solenoid valve assembly) according to the first embodiment;

FIG. 7 is a diagram illustrating a position relationship between the solenoid assembly and the stop port according to the first embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.