CN214743388U

CN214743388U - Automobile electronic tuning valve

Info

Publication number: CN214743388U
Application number: CN202120155337.5U
Authority: CN
Inventors: 陈凯华
Original assignee: Shanghai Fafute Precision Machinery Co ltd
Current assignee: Shanghai Fafute Precision Machinery Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-16
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses an automotive electronic tuning valve, which comprises an electronic active valve arranged at the front end and the rear end of a silencer of an exhaust pipe system, wherein the electronic active valve comprises an electronic actuator and a valve body device, the electronic actuator is assembled above the valve body device, an output shaft of the electronic actuator is connected with the valve body device, the valve body device comprises a valve shell, a door plate, a valve plate rotating shaft and a transmission torsion spring, a rotatable door plate is arranged in the valve shell, one end part of the valve plate rotating shaft is connected to the door plate, and the other end part is arranged on the transmission torsion spring; and the output shaft of the electronic actuator transmits power to the valve plate rotating shaft through the transmission torsion spring.

Description

Automobile electronic tuning valve

Technical Field

The utility model relates to an automotive equipment technical field, concretely relates to automotive electronics tone tuning valve.

Background

The engine of the mainstream sedan-chair race motorcycle type in the existing market mainly uses a four-cylinder machine and medium and small displacement as the main parts, how to match the conventional engine, realizes outstanding motion exhaust sound wave on the sports sedan-chair, can guarantee comfortable experience when in home, and is the development focus and difficulty of sound experience of the type of motorcycle.

According to the GB1495-2002 automobile acceleration running outside-vehicle noise limit value and the measurement method requirement, the passing outside-vehicle noise of M1 family automobiles produced after 1 month of 2005 is 74-75dB (A).

At present, the design of the sports type exhaust sound wave in China generally directly simplifies the structure of a silencer, passively amplifies the sound level, and on one hand, the requirement of passing noise cannot be met, and on the other hand, the requirement of realizing the comfort under different driving modes cannot be met. The research of intelligently controlling the exhaust sound waves through the active valve is still in a starting stage, the number of sports models carrying mass production of active valve products in the current market is small, and the product application range is not wide.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automotive electronics tone tuning valve solves two big defects of prior art: the first defect is that the volume of the exhaust sound waves cannot be intelligently controlled according to different driving modes and requirements of drivers and passengers, and the national passing of noise regulation requirements cannot be guaranteed; the second defect is that the power type of the exhaust in different states can not be adjusted according to the exhaust sound wave requirements in different states, so that the better power output of the whole vehicle can not be ensured.

According to the utility model discloses an automotive electronic tuning valve, including installing the electronic active valve in the muffler front and back end of exhaust pipe system, the electronic active valve includes electronic actuator and valve body device, the electronic actuator assembles in the valve body device top, the output shaft of electronic actuator with the valve body device is connected, the valve body device includes valve casing, door plant, valve block pivot and transmission torsional spring, be equipped with rotatable door plant in the valve casing, one end of valve block pivot is connected on the door plant, the other end locates on the transmission torsional spring; and the output shaft of the electronic actuator transmits power to the valve plate rotating shaft through the transmission torsion spring.

In some embodiments, the valve housing includes a hollow cylindrical housing and a sleeve arranged in a diameter direction of the housing, the upper end and the lower end of the door plate are sleeved in the sleeve, and the door plate moves axially by 0-90 ° with a center line of the sleeve as a reference.

In some embodiments, the door plate is circular, the upper end and the lower end of the door plate are both provided with a rectangular notch, the notch is arranged on the diameter of the door plate, the upper notch is provided with a positioning shaft sleeve, the positioning shaft sleeve is inserted into a sleeve on the shell, the positioning shaft sleeve is internally provided with a positioning bead, and the joint of the positioning shaft sleeve and the door plate is provided with an insertion opening.

In some embodiments, a valve plate rotating shaft is arranged at the lower notch of the door plate, one end of the valve plate rotating shaft is provided with a socket, the socket is inserted into the door plate, the other end of the valve plate rotating shaft is a cylindrical shaft body, a gasket, a butterfly spring, a sealing ring, a sealing cover and a spring pad are sequentially sleeved on the shaft body, the other end face of the spring pad is provided with a transmission torsion spring, the transmission torsion spring is connected with the valve plate rotating shaft, and the spring pad is connected with the spacer cover.

In some embodiments, the spacer cover includes a main board and a connecting plate disposed on the main board, a through hole is disposed in the middle of the main board, the connecting plate is fixed on the electronic actuator, and the transmission torsion spring is disposed in the electronic actuator and connected to an output shaft of the electronic actuator.

In some embodiments, the electronic actuator comprises a position sensing module, a driving and control module and a self-diagnosis module, and the sensing module, the driving and control module and the self-diagnosis module feed back and send the position information and the fault information of the current vehicle to the engine ECU in the form of CAN communication messages.

The utility model provides an automotive electronics tuning valve can stop and start at any angle within the range of 0-90 degrees, and the electronic actuator has position perception, drive and control module, need not occupy engine ECU extra resources, and the electronic actuator has self-diagnostic function, can send the electronic actuator state to engine ECU in real time; the product design is compact and reliable.

Drawings

Fig. 1 is a schematic structural diagram of an automotive electronic tuning valve according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an automotive electronic tuning valve according to an embodiment of the present invention;

fig. 3 is a MAP of the active valve opening MAP of the present invention in three dimensions.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are based on the orientation or the positional relationship shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but are not intended to indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "assembled", "connected" and "connected" should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in figure 1, the electronic tuning valve for the automobile comprises an electronic active valve which is installed at the front end and the rear end of a silencer of an exhaust pipe system, wherein the electronic active valve comprises an electronic actuator (1) and a valve body device (2), the electronic actuator (1) is assembled above the valve body device (2), and an output shaft of the electronic actuator (1) is connected with the valve body device (2).

The valve body device (2) comprises a valve shell (21), a door plate (22), a valve plate rotating shaft (23) and a transmission torsion spring (24), wherein the rotatable door plate (22) is arranged in the valve shell (21), one end part of the valve plate rotating shaft (23) is connected to the door plate (22), and the other end of the valve plate rotating shaft is arranged on the transmission torsion spring (24); the output shaft () of the electronic actuator (1) transmits power to the valve plate rotating shaft (23) through the transmission torsion spring (24).

The valve plate rotating shaft (23) is made of ceramic materials which are more wear-resistant and adapt to extreme temperature changes, the transmission torsion spring (24) is made of zinc-nickel alloy, and the zinc-nickel alloy is durable and elastic.

The valve shell (21) comprises a hollow cylindrical shell (211) and a sleeve (212) arranged in the diameter direction of the shell, the upper end and the lower end of the door plate (22) are sleeved in the sleeve (212), and the door plate (22) moves axially by 0-90 degrees by taking the central line of the sleeve (212) as a reference.

Door plant (22) are circular setting, and a rectangle form breach (221) has all been seted up to door plant (22) upper and lower extreme, and the breach is seted up on the diameter of door plant (22), goes up breach (221) department and is equipped with location axle sleeve (25), and in sleeve pipe (212) on casing (211) are located in location axle sleeve (25), is equipped with location pearl (251) in location axle sleeve (25), and location axle sleeve (25) are equipped with cartridge mouth (252) with door plant (22) junction.

A lower notch (221) of the door plate (22) is provided with a valve plate rotating shaft (23), one end of the valve plate rotating shaft (23) is provided with a socket, the socket is inserted into the door plate, the other end of the valve plate rotating shaft (23) is a cylindrical shaft body, the shaft body is sequentially sleeved with a gasket (26), a belleville spring (27), a sealing ring (28), a sealing cover (29) and a spring pad (30), the other end face of the spring pad (30) is provided with a transmission torsion spring (24), the transmission torsion spring (24) is connected with the valve plate rotating shaft (23), and the spring pad (30) is connected with a spacer cover (31).

The spacer cover (31) comprises a main board (311) and a connecting plate (312) arranged on the main board (311), a through hole is formed in the middle of the main board (311), the connecting plate is fixed on the electronic actuator, and the transmission torsion spring (24) is arranged in the electronic actuator and connected with an output shaft of the electronic actuator.

The electronic actuator comprises a position sensing module, a driving and controlling module and a self-diagnosis module, wherein the sensing module, the driving and controlling module and the self-diagnosis module feed back and send the position information and the fault information of the current vehicle to the engine ECU in the form of CAN communication messages.

The utility model discloses a basic scheme includes through CAN communication and engine ECU unit transmission signal, and after the valve body device received the operating mode signal that comes from engine ECU, combine the sound wave switching signal, try to get discharge valve opening value, drive self transmission system changes to corresponding position to send current position information, fault information for engine ECU with the form feedback of CAN communication message.

The opening angle of the specific valve can be properly adjusted according to the requirement of a driver on exhaust sound waves, the exhaust pressure is accurately controlled through intelligent control of the angle of the valve, and the dynamic property of the engine is guaranteed.

The utility model discloses an overall technology implementation scheme, scheme include engine control unit ECU, install car electron tuning valve, the unrestrained mode physical control knob of motion sound or the virtual control interface at exhaust pipe system's muffler front and back end. The engine control unit ECU provides CAN communication message specifications matched with an active valve actuator, converts current engine rotating speed and accelerator pedal opening degree signals into standard CAN communication messages and sends the standard CAN communication messages to the electronic active valve on a CAN bus network node; the electronic active valve is mainly used for adjusting the sound characteristics of an automobile by combining with exhaust, and after receiving a working condition signal from an engine ECU, the electronic active valve drives a transmission system to rotate to a corresponding position, and feeds back current position information and fault information to the engine ECU in a CAN communication message form; the physical control knob or the virtual control interface of the motion sound wave mode is communicated with a whole vehicle (CAN) network to input different motion sound wave mode information.

The general working strategy is that a plurality of modes of comfortable mode and motion sound wave information are transmitted between the motion sound wave mode and the engine ECU through a physical knob or a virtual control interface through a whole vehicle (CAN) network, and the opening of the active valve in each mode is combined with the current engine speed and the opening value of the throttle valve to check a corresponding active valve opening MAP (obtained after interpolation calculation). As shown in fig. 3, the MAP of the opening degree of the active valve MAP is a three-dimensional MAP, with the X and Y axes being the engine speed and the opening degree of the throttle valve, respectively, and the Z axis being the opening degree of the active valve. And the engine ECU converts the current engine rotating speed and the accelerator pedal opening degree signal into a standard CAN communication message according to the CAN communication message specification matched with the exhaust valve actuator and sends the standard CAN communication message to the electronic exhaust valve on the CAN bus network node. After receiving the working condition signal from the engine ECU, the electronic active valve combines the sound wave switch signal, looks up the table to obtain the opening value of the active valve, drives the transmission system to rotate to the corresponding position, and feeds back the current position information and the fault information to the engine ECU in the form of CAN communication messages.

When the whole system operates, the requirements of the GB1495-2002 automobile accelerated running outer noise limit value and the measuring method are met through noise, the engine dynamic performance under each exhaust sound effect mode can be intelligently and accurately controlled through the angle of the valve, and good power output of the whole automobile is guaranteed.

The utility model relates to an automatically controlled active valve technique can realize through this technique that the active valve receives engine ECU's operating mode information, combines the sound wave switching signal, seeks the table and acquires the active valve opening value, and drive self transmission system changes to corresponding position. The realization structure is shown in fig. 2, and the whole structure of the electronic active valve is formed by assembling an electronic actuator and a valve body structure component. The output shaft of the electronic actuator is made of stainless steel materials, can be flexibly connected with the connected piece and drives the connected piece to rotate within the range of 0-90 degrees. The electronic actuator is provided with a position sensing, driving and controlling module, so that extra resources of the engine ECU are not occupied, the electronic actuator has a self-diagnosis function, and the engine ECU can acquire the state of the electronic actuator in real time.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept of the present invention, and these are also considered to be within the protection of the present invention.

Claims

1. The electronic tuning valve for the automobile is characterized by comprising electronic active valves arranged at the front end and the rear end of a silencer of an exhaust pipe system, wherein each electronic active valve comprises an electronic actuator and a valve body device, the electronic actuators are assembled above the valve body devices, output shafts of the electronic actuators are connected with the valve body devices, each valve body device comprises a valve shell, a door plate, a valve plate rotating shaft and a transmission torsion spring, a rotatable door plate is arranged in the valve shell, one end part of the valve plate rotating shaft is connected to the door plate, and the other end of the valve plate rotating shaft is arranged on the transmission torsion spring; and the output shaft of the electronic actuator transmits power to the valve plate rotating shaft through the transmission torsion spring.

2. The automotive electronic tuning valve according to claim 1, wherein the valve casing comprises a hollow cylindrical casing and a sleeve arranged in the diameter direction of the casing, the upper end and the lower end of the door plate are sleeved in the sleeve, and the door plate moves axially by 0-90 degrees with the center line of the sleeve as a reference.

3. The automotive electronic tuning valve according to claim 2, wherein the door panel is circular, the upper end and the lower end of the door panel are both provided with a rectangular notch, the notch is arranged on the diameter of the door panel, a positioning shaft sleeve is arranged at the upper notch, the positioning shaft sleeve is inserted into a sleeve on the shell, a positioning bead is arranged in the positioning shaft sleeve, and an insertion opening is arranged at the joint of the positioning shaft sleeve and the door panel.

4. The automotive electronic tuning valve according to claim 3, wherein the door panel bottom notch is provided with a valve plate rotating shaft, one end of the valve plate rotating shaft is provided with a socket, the socket is inserted into the door panel, the other end of the valve plate rotating shaft is a cylindrical shaft body, the shaft body is sequentially sleeved with a gasket, a belleville spring, a sealing ring, a sealing cover and a spring pad, the other end surface of the spring pad is provided with a transmission torsion spring, the transmission torsion spring is connected with the valve plate rotating shaft, and the spring pad is connected with the spacer cage.

5. The automotive electronic tuning valve according to claim 4, wherein the spacer cover comprises a main plate and a connecting plate arranged on the main plate, a through hole is formed in the middle of the main plate, the connecting plate is fixed on the electronic actuator, and the transmission torsion spring is arranged in the electronic actuator and connected with an output shaft of the electronic actuator.

6. The automotive electronic tuning valve according to claim 5, wherein the electronic actuator comprises a position sensing module, a driving and controlling module and a self-diagnosis module, and the sensing module, the driving and controlling module and the self-diagnosis module feed back and send the position information and the fault information of the current vehicle to the engine ECU in the form of CAN communication messages.