Search

CN-119975119-B - Control method of driving module for lifting shock-absorbing seat base and driving module

CN119975119BCN 119975119 BCN119975119 BCN 119975119BCN-119975119-B

Abstract

The invention belongs to the technical field of general vehicles, and particularly relates to a movable seat, in particular to a control method of a driving module for a lifting shock-absorbing seat base and the driving module, wherein the control method of the driving module for the lifting shock-absorbing seat base comprises the steps of acquiring parameters of a seat motor by a control module, acquiring a current tooth side gap according to the parameters by the control module, acquiring abrasion loss according to the current tooth side gap by the control module, acquiring a corresponding pulse number by the control module according to the abrasion loss, and controlling the rotation number of an output shaft of the seat motor according to the pulse number, so that the corresponding pulse number of the seat motor is regulated in real time according to the abrasion loss of a current gear, the automobile seat is regulated more accurately, and the automobile seat can be moved to a required position more accurately.

Inventors

  • ZHOU DONGLIANG
  • MO WENTAO

Assignees

  • 常州奥奇汽车附件有限公司

Dates

Publication Date
20260508
Application Date
20250402

Claims (8)

  1. 1. A control method of a drive module for a lift-damping seat base, comprising: the control module acquires parameters of the seat motor (1); acquiring a current tooth side gap according to the parameters through a control module; Acquiring the abrasion loss according to the current tooth flank clearance through a control module; the corresponding pulse number is obtained through the control module according to the abrasion loss, and the rotation number of the output shaft of the seat motor (1) is controlled according to the pulse number; the method for acquiring the current tooth side clearance according to the parameters by the control module comprises the following steps: the current tooth flank clearance is: ; Wherein B is the current gear backlash, B design is the designed gear backlash in the parameters of the seat motor (1), K c is the reference wear coefficient, N is the real-time load torque of the seat motor (1) in the parameters of the seat motor (1), T is the accumulated running time of the seat motor (1) in the parameters of the seat motor (1), H is the surface hardness of the gear (3) in the parameters of the seat motor (1), z is the number of teeth of the gear (3) in the parameters of the seat motor (1), m is the modulus of the gear (3) in the parameters of the seat motor (1), and T is the temperature difference between the current working temperature and the normal temperature in the parameters of the seat motor (1).
  2. 2. The control method of a drive module for a lift-damping seat base according to claim 1, wherein: the method for acquiring the abrasion loss according to the current tooth flank clearance through the control module comprises the following steps: The control module obtains an average tooth side clearance according to the current tooth side clearance: ; Wherein, the N is the number of times of acquiring the current tooth side gap in preset time; the control module obtains the wear amount according to the average tooth flank clearance: ; wherein, S is the abrasion loss, A is the adjustment coefficient related to the pressure angle and the backlash of the gear (3).
  3. 3. The control method of the drive module for a lift-damping seat base according to claim 2, wherein: The method for acquiring the corresponding pulse number according to the abrasion loss through the control module comprises the following steps: ; Wherein, P is the actual pulse number, namely the current seat motor (1) adjusts the corresponding pulse number, and P theory is the nominal pulse number of the seat motor (1); The control module is used for controlling the rotation number of the output shaft of the seat motor (1) according to the actual pulse number after acquiring the actual pulse number.
  4. 4. The control method of a drive module for a lift-damping seat base according to claim 1, wherein: the parameters of the seat motor (1) comprise a designed gear backlash, a real-time load torque of the seat motor (1), an accumulated running time of the seat motor (1), a temperature difference between the current working temperature and the normal temperature, the surface hardness of the gear (3), the number of teeth of the gear (3) and the modulus of the gear (3).
  5. 5. A computer-readable storage medium, on which a computer program/instruction is stored, characterized in that the computer program/instruction, when executed by a processor, implements the steps of the method for controlling a drive module for a lifting shock absorbing seat base according to any one of claims 1 to 4.
  6. 6. A program product containing instructions which, when executed by an apparatus, cause the apparatus to perform the steps of the method of controlling a drive module for a lift-damping seat base according to any one of claims 1 to 4.
  7. 7. A drive module for a lift shock absorbing seat base, comprising: the seat motor (1) is electrically connected with the control module; the seat motor (1) is connected with the automobile seat through a gear (3) transmission assembly (5); the control module is configured to control the seat motor (1) to move the vehicle seat by the seat motor (1) using the control method of the drive module for a lift-damping seat base according to any one of claims 1 to 4.
  8. 8. The lift and shock seat base drive module as set forth in claim 7, wherein: the output shaft of the seat motor (1) is provided with a screw rod section (2), the screw rod section (2) is meshed with a gear (3) in the transmission assembly (5), and the gear (3) is connected with a driving shaft (4); the driving shaft (4) is connected with a car seat; The control module is configured to control the seat motor (1) to drive the gear (3) to rotate so as to drive the drive shaft (4) to rotate.

Description

Control method of driving module for lifting shock-absorbing seat base and driving module Technical Field The invention belongs to the technical field of general vehicles, and particularly relates to a movable seat, in particular to a control method of a driving module for a lifting shock-absorbing seat base and the driving module. Background In order to adapt to the requirements of different passengers, the automobile seat needs to be moved, and in order to achieve light weight and low noise, the gears meshed with the seat motors of the automobile seat are usually made of plastic materials, so that abrasion of the gears cannot be avoided, and deviation occurs in movement of the automobile seat. Therefore, due to the technical problem that the deviation occurs in the movement of the car seat caused by the abrasion of the gears, a control method of the driving module for the lifting shock-absorbing seat base and the driving module are needed to be designed. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and therefore the above description is not to be construed as constituting prior art information. Disclosure of Invention The embodiment of the disclosure at least provides a control method of a driving module for a lifting shock-absorbing seat base and the driving module. In a first aspect, an embodiment of the present disclosure provides a control method of a driving module for a lift-damping seat base, including: the control module acquires parameters of the seat motor; acquiring a current tooth side gap according to the parameters through a control module; Acquiring the abrasion loss according to the current tooth flank clearance through a control module; The corresponding pulse number is obtained through the control module according to the abrasion loss, and the rotation number of the output shaft of the seat motor is controlled according to the pulse number. In an alternative embodiment, the method for obtaining the current backlash by the control module according to the parameter includes: the current tooth flank clearance is: Wherein B is the current gear backlash, B design is the designed gear backlash in the parameters of the seat motor, K c is the reference wear coefficient, N is the real-time load torque of the seat motor in the parameters of the seat motor, T is the accumulated running time of the seat motor in the parameters of the seat motor, H is the surface hardness of a gear in the parameters of the seat motor, z is the number of teeth of the gear in the parameters of the seat motor, m is the gear modulus in the parameters of the seat motor, and DeltaT is the temperature difference between the current working temperature and the normal temperature in the parameters of the seat motor. In an alternative embodiment, the method for obtaining the wear amount according to the current tooth flank clearance by the control module includes: The control module obtains an average tooth side clearance according to the current tooth side clearance: Wherein, the N is the number of times of acquiring the current tooth side gap in preset time; the control module obtains the wear amount according to the average tooth flank clearance: wherein DeltaS is the wear amount, and A is the adjustment coefficient related to the gear pressure angle and the backlash. In an alternative embodiment, the method for acquiring the corresponding pulse number according to the abrasion loss by the control module comprises the following steps: wherein, P is the actual pulse number, namely the pulse number corresponding to the current seat motor adjustment, P theory is the nominal pulse number of the seat motor; the control module is used for controlling the rotation number of the output shaft of the seat motor according to the actual pulse number after acquiring the actual pulse number. In an alternative embodiment, the parameters of the seat motor include design backlash, real-time load torque of the seat motor, accumulated run time of the seat motor, the amount of temperature difference between the current operating temperature and ambient temperature, surface hardness of the gears, gear number, and gear modulus. In a second aspect, embodiments of the present disclosure also provide a drive system for a lift-damping seat base, comprising: an acquisition module configured to acquire parameters of the seat motor; a clearance acquisition module configured to acquire a current tooth side clearance according to the parameter; A wear acquisition module configured to acquire an amount of wear from a current backlash; and a pulse acquisition module configured to acquire a corresponding pulse number according to the wear amount. In a third aspect, an embodiment of the present disclosure further provides a computer readable storage medium, on which a computer program/instruction is stored, wherein the computer program/instruction, when e