CN-224204917-U - Machine carries damping device

Abstract

The application relates to the technical field of automobile accessories, and provides an onboard damping device which comprises two motors, a control system and a power conversion part, wherein the two motors are connected to the power conversion part, the power conversion part is used for converting output power, the control system respectively controls the two motors to generate opposite output phases, and the sound amplitudes are mutually offset. Based on the method, noise and abnormal sound generated by vibration can be reduced, so that the quality of the sound environment in the vehicle is improved, and the user experience is improved.

Inventors

• TONG PING
• CHEN SHIQUAN
• YANG MING

Assignees

• 厦门盈趣科技股份有限公司
• 厦门盈趣汽车电子有限公司

Dates

Publication Date

20260505

Application Date

20250327

Claims (8)

1. 1. The machine-mounted damping device is characterized by comprising two motors, a control system and a power conversion part, wherein the two motors are connected to the power conversion part, the power conversion part is used for converting output power, the control system respectively controls the two motors to generate opposite output phases, and the sound amplitudes are mutually offset.
2. 2. The device of claim 1, wherein the two motors are a first motor and a second motor, respectively, the control system controls the first motor to output a 0 degree phase and the second motor to output a 180 degree phase.
3. 3. The apparatus of claim 2, wherein the control system comprises an MCU, a first motor drive module and a second motor drive module, the MCU controls the first motor drive module to drive the first motor to output with a phase of 0 DEG, and the MCU controls the second motor drive module to drive the second motor to output with a phase of 180 deg.
4. 4. The airborne vibration damping device of claim 1, further comprising a mounting bracket, wherein the power conversion member is mounted on the mounting bracket, and wherein the first motor and the second motor are respectively connected to two input ends of the power conversion member.
5. 5. The airborne vibration damping device of claim 1, wherein the power conversion element is a speed reducer.
6. 6. The device of claim 4, wherein the power conversion member has a connecting lug, the motor is provided with a threaded hole, the bolt passes through the connecting lug and is screwed into the threaded hole, and the nut of the bolt is abutted against the connecting lug.
7. 7. The airborne vibration damping device of claim 6, wherein the power conversion piece is provided with a relief groove on both sides, the connecting lug is positioned in the relief groove, and when the bolt is connected with the motor, a part of the nut of the bolt is positioned in the relief groove.
8. 8. The apparatus of claim 1, further comprising a screw coupled to the output of the power conversion member.

Description

Machine carries damping device Technical Field The invention relates to the technical field of automobile accessories, in particular to an onboard damping device. Background With the wide popularization of new energy electric cars, the electric car brings great convenience and entertainment for the life of people. Compared with the traditional fuel oil vehicle, the new energy electric car has the advantages that the motor is adopted to replace the engine, so that the noise in the car is obviously reduced. However, with the continuous improvement of the configuration of the electronic devices of the vehicle, the application of the electric flip screen in the central control multimedia navigation interface is increasing. In the lifting and automatic folding process of the overturning screen, high action noise and abnormal sound can be generated due to the power transmission of the motor, so that the experience of a user is seriously influenced. Therefore, the application researches an onboard damping device, which can obviously reduce noise and abnormal sound generated by vibration, thereby improving the quality of the sound environment in the vehicle and improving the user experience. Disclosure of utility model In order to reduce noise and abnormal sound generated by vibration, thereby improving the quality of the sound environment in the vehicle and improving the user experience, the application provides an airborne damping device. The application provides an airborne damping device, which adopts the following technical scheme: The utility model provides an on-vehicle damping device, includes two motors, control system and power conversion spare, two the motor all connect in the power conversion spare, the power conversion spare is used for the conversion output power, control system controls respectively two the motor produces opposite output phase place, and sound range offsets each other. Through adopting above-mentioned technical scheme, the drive of control system accurate control motor for the output phase place that two motors produced is opposite, and when the vibration that two motors produced was in the phase place when completely opposite, can realize mutual offset in the vibration transmission process, has greatly reduced the vibration amplitude of device, thereby reduces running noise, improves in-car sound environment quality, improves user experience. Optionally, the two motors are a first motor and a second motor, the control system controls the output of the first motor to generate a 0-degree phase, and the output of the second motor to generate a 180-degree phase. Optionally, the control system includes an MCU, a first motor driving module and a second motor driving module, where the MCU controls the first motor driving module to drive the first motor to output at a phase of 0 ° and controls the second motor driving module to drive the second motor to output at a phase of 180 °. Optionally, the power conversion part further comprises a mounting frame, the power conversion part is mounted on the mounting frame, and the first motor and the second motor are respectively connected to two input ends of the power conversion part. By adopting the technical scheme, the control system can conveniently and independently control each motor, and accurate power distribution and phase control are realized. Optionally, the power conversion element is a speed reducer. Optionally, the power conversion piece has the engaging lug, the screw hole has been seted up to the motor, the bolt pass the engaging lug spiro union in the screw hole, the nut butt of bolt in the engaging lug. Through adopting above-mentioned technical scheme, ensured the firm connection between motor and the power conversion piece, not only provided sufficient mechanical strength, still allowed convenient installation and dismantlement. Optionally, the power conversion piece's both sides have been seted up and have been put down the groove, the engaging lug part is located put down the inslot, when the bolted connection the motor, the partial nut of bolt is located put down the inslot. By adopting the technical scheme, enough space is provided for the connecting bolt, so that the nut of the bolt can be smoothly embedded into the groove during connection, and the space layout inside the device is optimized. Optionally, the device further comprises a screw rod, wherein the screw rod is connected to the output end of the power conversion piece. Through adopting above-mentioned technical scheme, transmit the rotation power of motor to the screw rod through power conversion spare, realize efficient power transmission and conversion for the device can be with rotary motion conversion rectilinear motion, is applicable to multiple application scenario, has improved the suitability and the flexibility of device. In summary, the application has the following beneficial technical effects: 1. The control system precisely controls the driving of the