CN115782710B - Electric intelligent angle adjuster for automobile seat - Google Patents

Abstract

The invention relates to the technical field of angle adjusters, in particular to an electric angle adjuster for an automobile seat, which comprises the following components: the driving module comprises an active rotating shaft for transmitting rotating torque and an asynchronous driving motor connected with the active rotating shaft for providing operating power of the active rotating shaft; the core piece module is connected with the driving module and used for adjusting the angle of the seat; the transmission module is connected with the core piece module and comprises a first chair back connecting piece connected with the first core piece and a second chair back connecting piece connected with the second core piece; and the central control module is respectively connected with the driving module, the core piece module and the transmission module and is used for increasing the rotating speed of the asynchronous driving motor to a first corresponding rotating speed according to the average pressure of the first chair back connecting piece and the second chair back connecting piece, which is detected by the pressure sensor. The invention realizes the improvement of the stability and the accuracy of the seat angle adjusting process.

Description

Electric intelligent angle adjuster for automobile seat

Technical Field

The invention relates to the technical field of angle adjusters, in particular to an electric intelligent angle adjuster for an automobile seat.

Background

The automobile seat angle adjuster in the prior art has the problem that the angle adjusting process is unstable due to the fact that the abrasion degree between the connecting assembly and the seat is mastered inaccurately in the process of adjusting the opening and closing angles of the seat back and the seat basin of the seat by the angle adjuster.

Chinese patent publication No.: CN112677837a discloses an automatic angle adjuster for automobile seats, which relates to the technical field of electric automobile accessories and comprises a regulating plate, a driving shaft mechanism, a frame and a stepping motor, wherein the regulating plate is sleeved on the driving shaft mechanism, the driving shaft mechanism is in transmission connection with the stepping motor, the stepping motor is fixed on the outer side of the frame, and the driving shaft mechanism is installed on the inner side of the frame. When the push-pull button is pressed, the stepping motor rotates forwards, the seat angle is raised, when the reverse button is pressed, the stepping motor rotates reversely, meanwhile, the push-pull electromagnet pushes the pawl to separate from the ratchet, and when the button is not pressed any more, the stepping motor keeps still, the pawl abuts against the ratchet, so that the regulating plate is kept stable. Therefore, the automatic angle adjuster of the automobile seat has the problem that the angle adjusting stability and the accuracy are reduced due to inaccurate detection of the abrasion degree between two seat back connectors and the seat back in the process of adjusting the angle of the seat.

Disclosure of Invention

Therefore, the invention provides an electric intelligent angle adjuster for an automobile seat. The angle adjusting device is used for solving the problems of angle adjusting stability and accuracy reduction caused by inaccurate detection of the abrasion degree between two chair back connecting pieces and the chair back in the process of adjusting the angle of the chair in the prior art.

In order to achieve the above object, the present invention provides an electric intelligent recliner for an automobile seat, comprising: the driving module comprises an active rotating shaft for transmitting rotating torque and an asynchronous driving motor connected with the active rotating shaft for providing operating power of the active rotating shaft; the core piece module is connected with the driving module and used for adjusting the angle of the seat and comprises a first core piece arranged on one side of the asynchronous driving motor and a second core piece arranged on one side far away from the first core piece; the transmission module is connected with the core piece module and comprises a first chair back connecting piece connected with the first core piece and a second chair back connecting piece connected with the second core piece, wherein the first chair back connecting piece and the second chair back connecting piece are matched with each other to transmit the rotation moment of the core piece module to the chair back; the first and second chair back connecting pieces are respectively provided with a first pressure sensor and a second pressure sensor for detecting the pressure of the first and second chair back connecting pieces, and a first distance sensor and a second distance sensor for detecting the distance between the first and second chair back connecting pieces and the chair back; the central control module is respectively connected with the driving module, the core piece module and the transmission module and is used for increasing the rotating speed of the asynchronous driving motor to a first corresponding rotating speed according to the average pressure of the first chair back connecting piece and the second chair back connecting piece detected by the pressure sensor, secondarily adjusting the rotating speed of the asynchronous driving motor to a second corresponding rotating speed according to the average vibration intensity of the chair back connecting piece, adjusting the loading voltage of the asynchronous driving motor to the corresponding loading voltage according to the number of average pressure data meeting a preset third average pressure condition in the historical data, and judging whether the angular travel is adjusted according to the first distance detected by the first distance sensor and the second distance detected by the second distance sensor; the preset third average pressure condition is that average pressure of the first chair back connecting piece and the second chair back connecting piece is larger than the preset second average pressure.

Further, the core further comprises:

the movable mechanism is connected with the driving rotating shaft and used for adjusting the angle of the seat;

the fixed mechanism is connected with the movable mechanism and used for restraining the horizontal position of the movable mechanism;

the locking mechanism is arranged between the fixed mechanism and the movable mechanism and used for locking and unlocking the movable mechanism.

Further, the central control module determines three types of judging modes of whether the traction force of the chair back connecting piece to the chair back is within an allowable range according to the average pressure of the first chair back connecting piece and the second chair back connecting piece under a preset first condition, wherein,

the first type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back is in an allowable range under the preset first average pressure condition, and controls each module to continue to operate according to preset operation parameters;

the second type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back exceeds an allowable range under the condition of preset second average pressure, and the rotating speed of the asynchronous driving motor is increased to a first corresponding rotating speed by calculating the difference value between the average pressure of the first chair back connecting piece and the second chair back connecting piece and the preset first average pressure;

The third type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back exceeds an allowable range under a preset third average pressure condition, primarily judges that the core piece is worn, counts the number of average pressure data of the chair back connecting piece meeting the preset third average pressure condition in historical data, and secondarily judges whether the core piece is worn according to the number of the average pressure data;

the first preset condition is that the running power of the asynchronous drive motor is a constant value; the preset first average pressure condition is that the average pressure of the first chair back connecting piece and the second chair back connecting piece is smaller than or equal to the preset first average pressure; the preset second average pressure condition is that the average pressure of the first chair back connecting piece and the second chair back connecting piece is larger than the preset first average pressure and smaller than or equal to the preset second average pressure; the preset third average pressure condition is that the average pressure of the first chair back connecting piece and the second chair back connecting piece is larger than the preset second average pressure; wherein the preset first average pressure is less than the preset second average pressure.

Further, the central control module determines three types of adjustment modes for the rotating speed of the asynchronous driving motor according to the difference value between the average pressure of the first chair back connecting piece and the second chair back connecting piece and the preset first average pressure under the preset second average pressure condition, wherein,

The first type of rotation speed adjusting mode is that the central control module adjusts the rotation speed of the asynchronous driving motor to a preset motor rotation speed under a preset first pressure difference value condition;

the second type of rotation speed adjusting mode is that the central control module uses a preset first rotation speed primary adjusting coefficient to increase the rotation speed of the asynchronous driving motor to a first rotation speed under a preset second pressure difference value condition;

the third type of rotation speed adjusting mode is that the central control module uses a preset second rotation speed primary adjusting coefficient to increase the rotation speed of the asynchronous driving motor to a second rotation speed under a preset third pressure difference value condition;

the preset first pressure difference condition is that the average pressure difference of the chair back connecting piece is smaller than or equal to the preset first average pressure difference; the preset second pressure difference condition is that the average pressure difference of the chair back connecting piece is larger than the preset first average pressure difference and smaller than or equal to the preset second average pressure difference; the preset third pressure difference value condition is that the average pressure difference value of the chair back connecting piece is larger than the preset second average pressure difference value; the preset first rotating speed primary adjusting coefficient is smaller than the preset second rotating speed primary adjusting coefficient, the preset first average pressure difference value is smaller than the preset second average pressure difference value, and the average pressure difference value of the chair back connecting pieces is the difference value between the average pressure of the first chair back connecting pieces and the average pressure of the second chair back connecting pieces and the preset first average pressure.

Further, the central control module determines three secondary judging modes of whether the core piece is worn or not according to the average pressure data quantity under a preset third average pressure condition, wherein,

the first secondary judgment mode is that the central control module secondarily judges that the abrasion grade of the core piece is in an allowable range under the condition of presetting a first average pressure data quantity;

the second secondary judgment mode is that the central control module secondarily judges that the first-stage abrasion exists on the chair back connecting piece under the condition of the preset second average pressure data quantity, and adjusts the loading voltage of the asynchronous driving motor to the corresponding loading voltage according to the difference value between the average pressure data quantity and the preset first average pressure data quantity;

the third type of three-time judging mode is that the central control module preliminarily judges that the asynchronous adjustment condition exists under the condition of presetting a third average pressure data quantity, and calls a first distance and a second distance detected by the first distance sensor and the second distance sensor respectively to judge whether the angular travel is adjusted or not;

the preset first average pressure data quantity condition is that the average pressure data quantity is smaller than or equal to the preset first average pressure data quantity; the condition of the preset second average pressure data quantity is that the average pressure data quantity is larger than the preset first average pressure data quantity and smaller than or equal to the preset second average pressure data quantity; the condition of the preset third average pressure data quantity is that the average pressure data quantity is larger than the preset second average pressure data quantity;

The preset first average pressure data quantity is smaller than the preset second average pressure data quantity.

Further, the central control module determines three types of adjustment modes of the loading voltage of the asynchronous driving motor according to the difference value between the average pressure data quantity and the preset first average pressure data quantity under the condition of the preset second average pressure data quantity, wherein,

the first voltage regulation mode is that the central control module judges that the loading voltage is regulated to a preset loading voltage under the condition of a preset first average pressure data quantity difference value;

the second type of voltage regulation mode is that the central control module judges that a preset first loading voltage regulation coefficient is used for regulating the loading voltage to the first voltage according to a preset second average pressure data quantity difference value condition;

the third type of voltage regulation mode is that the central control module judges that a preset second loading voltage regulation coefficient is used for regulating the loading voltage to a second voltage according to a preset third average pressure data quantity difference value condition;

the difference value condition of the preset first average pressure data quantity is that the difference value of the average pressure data quantity and the preset first average pressure data quantity is smaller than or equal to the difference value of the preset first average pressure data quantity; the preset second average pressure data quantity difference condition is that the difference between the average pressure data quantity and the preset first average pressure data quantity is larger than the preset first average pressure data quantity difference and smaller than or equal to the preset second average pressure data quantity difference; the difference value condition of the preset third average pressure data quantity is that the difference value between the average pressure data quantity and the preset first average pressure data quantity is larger than the difference value between the preset second average pressure data quantity;

The preset first loading voltage regulating coefficient is smaller than the preset second loading voltage regulating coefficient.

Further, the central control module determines whether to adjust the angular travel according to the comparison result of the first distance and the second distance in a preset third average pressure data quantity condition, wherein,

the first type of distance judging mode is that the central control module judges that the asynchronous adjustment condition does not occur under the condition of a preset first comparison result;

the second type of distance judging mode is that the central control module judges that asynchronous adjustment occurs under the condition of a preset second comparison result, the abrasion conditions of two sides are different, the difference value between the first distance and the second distance is calculated, and the angle travel is adjusted to be corresponding to the angle travel according to the difference value;

the preset first comparison result condition is that the first distance is equal to the second distance; the preset second comparison result condition is that the first distance is not equal to the second distance.

Further, the central control module determines three types of adjustment modes for the angle travel according to the difference value of the first distance and the second distance under the preset second comparison result condition, wherein,

The first type of stroke adjustment mode is that the central control module judges that the angle stroke is adjusted to a preset stroke under the condition of a preset first distance difference value;

the second type of travel adjustment mode is that the central control module judges that a preset first angle travel adjustment coefficient is used for adjusting the angle travel to be higher than a first angle travel under a preset second distance difference condition;

the third type of stroke adjustment mode is that the central control module judges that a preset second angle stroke adjustment coefficient is used for adjusting the angle stroke to be higher than a second angle stroke under a preset third distance difference condition;

the preset first distance difference condition is that the difference value between the first distance and the second distance is smaller than or equal to a preset first distance difference value; the preset second distance difference condition is that the difference between the first distance and the second distance is larger than the preset first distance difference and smaller than or equal to the preset second distance difference; the preset third distance difference condition is that the difference between the first distance and the second distance is larger than the preset second distance difference; the preset first distance difference value is smaller than the preset second distance difference value, and the preset first angle stroke adjustment coefficient is smaller than the preset second angle stroke adjustment coefficient.

Further, the central control module determines whether the adjustment of the motor rotation speed affects the angular adjustment stability according to the average vibration intensity of the chair back connecting piece detected by the vibration sensor arranged on the chair back connecting piece, wherein,

the first type of judgment influence mode is that the central control module judges that the adjustment of the motor rotation speed does not influence the angular adjustment stability under the condition of presetting a first average vibration intensity;

the second type of judgment influence mode is that the central control module judges that the regulation of the motor rotating speed has influence on angular regulation stability under the condition of preset second average vibration intensity, and the asynchronous driving motor rotating speed is regulated to a second corresponding rotating speed by calculating the difference value between the average vibration intensity and the preset first average vibration intensity;

the third type of judgment influence mode is that the central control module judges that the core piece has equipment faults and sends out fault maintenance notification under the condition of preset third average vibration intensity;

the preset first average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is smaller than or equal to the preset first average vibration intensity; the preset second average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is larger than the preset first average vibration intensity and smaller than or equal to the preset second average vibration intensity; the preset third average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is larger than the preset second average vibration intensity.

Further, the central control module determines three secondary adjustment modes for the rotating speed of the asynchronous driving motor according to the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity under the preset second average vibration intensity condition, wherein,

the first secondary regulation mode is that the central control module judges that the rotating speed of the asynchronous driving motor is regulated to the rotating speed of a preset motor under the condition of a preset first average vibration intensity difference value;

the second type of secondary adjustment mode is that the central control module uses a preset fourth rotating speed secondary adjustment coefficient to judge that the rotating speed of the asynchronous driving motor is reduced to a third rotating speed under the condition of a preset second average vibration intensity difference value;

the third type of secondary adjustment mode is that the central control module uses a preset third rotating speed secondary adjustment coefficient to reduce the rotating speed of the asynchronous driving motor to a fourth rotating speed under the condition of a preset third average vibration intensity difference value;

the preset first average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is smaller than or equal to the preset first average vibration intensity difference value; the preset second average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is larger than the preset first average vibration intensity difference value and smaller than or equal to the preset second average vibration intensity difference value; the preset third average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is larger than the preset second average vibration intensity difference value; the preset third rotating speed secondary adjustment coefficient is smaller than the preset fourth rotating speed secondary adjustment coefficient.

Compared with the prior art, the angle adjuster has the beneficial effects that the angle adjuster reduces the influence of too high angle adjusting speed reflected by the actual pressure of the chair back connecting piece on the angle adjusting stability caused by the pressure increase of the chair back connecting piece through the driving module, the core piece module, the transmission module and the central control module, the pressure sensor and the distance sensor arranged on the chair back connecting piece in the transmission module and the vibration sensor arranged on the chair back connecting piece, and the rotating speed of the asynchronous driving motor is adjusted to the first corresponding rotating speed according to the actual pressure of the chair back connecting piece detected by the pressure sensor; the rotating speed of the asynchronous driving motor is secondarily adjusted to the second corresponding rotating speed according to the vibration intensity of the chair back connecting piece, so that the influence of inaccuracy in motor rotating speed adjustment reflected by the vibration intensity of the chair back connecting piece on the accuracy of the angle adjustment process is reduced; the loading voltage of the asynchronous drive motor is regulated to the corresponding loading voltage according to the quantity of average pressure data meeting the preset third average pressure condition in the historical data, so that the influence on the angle regulation accuracy and the regulation rate caused by overlarge abrasion grade of the chair back connecting piece is reduced; through detecting the distance between the first chair back connecting piece and the chair back and the distance between the second chair back connecting piece and the chair back respectively according to the first distance sensor and the second distance sensor, and judging whether to adjust the maximum stroke of the chair back connecting piece according to the detected first distance and second distance, the influence of the asynchronous adjustment condition corresponding to the two core pieces reflected by the distance between the first chair back connecting piece and the second chair back connecting piece and the chair back on the synchronism and stability of the angle adjustment process is reduced, and the improvement of the stability and the accuracy of the angle adjustment process of the chair is realized.

Furthermore, the angle adjuster of the invention accurately implements the angle adjusting process and accurately locks the state after the adjustment is finished through the movable mechanism, the fixed mechanism and the locking mechanism, thereby further improving the stability and the accuracy of the seat angle adjusting process.

Further, according to the angle adjuster, through the three preset average pressure conditions and the three judging modes, whether the traction force of the chair back connecting piece on the chair back is within the allowable range or not is determined according to the average pressures of the first chair back connecting piece and the second chair back connecting piece, the influence on the stability of the angle adjusting process caused by inaccurate detection of the chair back pressure in the angle adjusting process is reduced, and the stability and the accuracy of the angle adjusting process of the chair are further improved.

Furthermore, the angle adjuster of the invention reduces the influence on the stability of the angle adjusting process caused by the inaccuracy of the adjustment of the rotating speed of the asynchronous driving motor on the abrasion degree of the chair back connecting piece by setting three types of adjusting modes aiming at the rotating speed of the asynchronous driving motor and three preset pressure difference conditions and adjusting the rotating speed of the asynchronous driving motor to the first corresponding rotating speed according to the actual pressure difference, thereby further realizing the improvement on the stability and the accuracy of the angle adjusting process of the chair.

Furthermore, according to the angle adjuster, through the three set judging modes for judging whether the core piece is worn and the three preset average pressure data quantity conditions, whether the core piece is worn or not is judged secondarily according to the pressure quantity meeting the preset third average pressure condition in the historical data, the influence on the accuracy and stability of angle adjustment caused by unclear judgment on the wear condition of the core piece reflected by the pressure and inaccurate judgment on the wear condition of other parts of the angle adjuster is reduced, and the stability and the accuracy of the seat angle adjustment process are further improved.

Furthermore, the angle adjuster further improves the stability and the accuracy of the seat angle adjusting process by the influence of unreasonable motor power caused by inaccurate adjustment of the loading voltage of the asynchronous driving motor on the stability in the angle adjusting process and the influence of the safety of components due to the fact that three preset average pressure data quantity difference conditions and three types of adjustment modes aiming at the loading voltage of the asynchronous driving motor are arranged when the abrasion condition of the seat back connecting piece is judged.

Furthermore, according to the angle adjuster, whether the angular travel is adjusted or not is determined through the comparison result of the first distance and the second distance, so that the influence on the stability and the accuracy of angle adjustment caused by inaccurate judgment of the asynchronous adjustment condition is reduced, and the stability and the accuracy of the seat angle adjustment process are further improved.

Further, according to the angle adjuster, through the preset first distance difference value, the preset second distance difference value, the preset first angle stroke adjustment coefficient and the preset second angle stroke adjustment coefficient, the angle stroke is adjusted to the corresponding value according to the difference value between the first distance and the second distance, the influence of lower stability in the angle adjustment process caused by the asynchronism in the angle adjustment process between two sides of the chair back reflected by the difference value between the first distance and the second distance is reduced, and the stability and the accuracy of the seat angle adjustment process are further improved.

Further, according to the angle adjuster, through the preset first average vibration intensity, the preset second average vibration intensity, the preset third rotating speed secondary adjustment coefficient and the preset fourth rotating speed secondary adjustment coefficient, stability and accuracy of the seat angle adjusting process are further improved through the influence of unstable angle adjusting process caused by inaccurate judgment on whether the adjustment of the rotating speed of the motor is influenced by the actual vibration intensity of the seat back connecting piece or not.

Furthermore, according to the angle adjuster, through the preset first average vibration intensity difference value and the preset second average vibration intensity difference value, three secondary adjustment modes aiming at the rotating speed of the asynchronous driving motor are determined according to the difference value between the average vibration intensity and the preset first average vibration intensity, the unstable influence of the angle adjustment process caused by the inaccuracy problem of motor rotating speed adjustment reflected by overlarge vibration intensity is reduced, and the improvement of the stability and the accuracy of the seat angle adjustment process is further realized.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an electric intelligent angle adjuster for an automobile seat according to an embodiment of the invention;

fig. 2 is a schematic structural view of a first core member of the electric intelligent angle adjuster for the automobile seat according to the embodiment of the invention;

FIG. 3 is a block diagram showing the overall structure of an electric intelligent angle adjuster for an automobile seat according to an embodiment of the present invention;

fig. 4 is a block diagram of a connection structure between a transmission module and a central control module of the electric intelligent angle adjuster for the automobile seat according to the embodiment of the invention.

Description of the embodiments

In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

Fig. 1, fig. 2, fig. 3 and fig. 4 show an overall schematic diagram of an electric intelligent angle adjuster for a car seat, a schematic diagram of a first core member, an overall schematic diagram of the first core member, and a connecting structure block diagram of a transmission module and a central control module according to an embodiment of the invention. The embodiment of the invention provides an electric intelligent angle adjuster for an automobile seat, which is characterized by comprising the following components:

the driving module comprises an active rotating shaft 12 for transmitting rotating torque and an asynchronous driving motor 5 connected with the active rotating shaft 12 for providing operating power of the active rotating shaft;

the core piece module is connected with the driving module and used for adjusting the angle of the seat and comprises a first core piece 11 arranged on one side of the asynchronous driving motor 5 and a second core piece 1 arranged on one side far away from the first core piece 11;

the transmission module is connected with the core piece module and comprises a first chair back connecting piece 14 connected with the first core piece 11 and a second chair back connecting piece 15 connected with the second core piece 1, wherein the first chair back connecting piece 14 and the second chair back connecting piece 15 transmit the rotation moment of the core piece module to a chair back through mutual matching; wherein, the first back connecting piece 14 and the second back connecting piece 15 are respectively provided with a first pressure sensor 6 and a second pressure sensor 4 which are used for respectively detecting the pressure of the first back connecting piece 14 and the second back connecting piece 15, and a first distance sensor 7 and a second distance sensor 3 which are used for respectively detecting the distance between the first back connecting piece 14 and the second back connecting piece 15 and the back;

The central control module is respectively connected with the driving module, the core piece module and the transmission module, and is used for increasing the rotating speed of the asynchronous driving motor 5 to a first corresponding rotating speed according to the average pressure of the first chair back connecting piece 14 and the second chair back connecting piece 15 detected by the pressure sensor, secondarily adjusting the rotating speed of the asynchronous driving motor 5 to a second corresponding rotating speed according to the average vibration intensity of the chair back connecting piece, adjusting the loading voltage of the asynchronous driving motor 5 to the corresponding loading voltage according to the quantity of average pressure data meeting the preset third average pressure condition in the historical data, and judging whether the angular stroke is adjusted according to the first distance detected by the first distance sensor 7 and the second distance detected by the second distance sensor 3;

wherein the preset third average pressure condition is that the average pressure of the first seatback link 14 and the second seatback link 15 is greater than the preset second average pressure.

According to the angle adjuster, through the driving module, the core piece module, the transmission module and the central control module, through the pressure sensor and the distance sensor which are arranged on the chair back connecting piece in the transmission module and the vibration sensor which is arranged on the chair back connecting piece, the rotating speed of the asynchronous driving motor 5 is regulated to the first corresponding rotating speed according to the actual pressure of the chair back connecting piece detected by the pressure sensor, so that the influence on the angle regulation stability caused by the fact that the angle regulation speed reflected by the actual pressure of the chair back connecting piece is too fast and the pressure of the chair back connecting piece is increased is reduced; the rotating speed of the asynchronous driving motor 5 is secondarily adjusted to a second corresponding rotating speed according to the vibration intensity of the chair back connecting piece, so that the influence of inaccuracy of motor rotating speed adjustment reflected by the vibration intensity of the chair back connecting piece on the accuracy of the angle adjustment process is reduced; the loading voltage of the asynchronous drive motor 5 is regulated to the corresponding loading voltage according to the quantity of average pressure data meeting the preset third average pressure condition in the historical data, so that the influence on the angle regulation accuracy and the regulation rate caused by overlarge abrasion grade of the chair back connecting piece is reduced; by detecting the distance between the first backrest connecting piece 14 and the backrest and the distance between the second backrest connecting piece 15 and the backrest according to the first distance sensor 7 and the second distance sensor 3 respectively and judging whether to adjust the maximum travel of the backrest connecting piece according to the detected first distance and second distance, the influence of the asynchronous adjustment conditions corresponding to the two core pieces reflected by the distance between the first backrest connecting piece 14 and the second backrest connecting piece 15 and the backrest on the synchronization and stability of the angle adjustment process is reduced, and the improvement of the stability and the accuracy of the seat angle adjustment process is realized.

With continued reference to fig. 2, the core further includes:

the movable mechanism 9 is connected with the driving rotating shaft 12 and is used for adjusting the angle of the seat;

a fixed mechanism 13 connected to the movable mechanism 9 for restricting the horizontal position of the movable mechanism 9;

and a locking mechanism 10 provided between the fixed mechanism 13 and the movable mechanism 9, for locking and unlocking the movable mechanism 9.

Furthermore, the angle adjuster of the invention accurately implements the angle adjusting process and accurately locks the state after the adjustment is finished through the movable mechanism 9, the fixed mechanism 13 and the locking mechanism 10, thereby further improving the stability and the accuracy of the adjusting process of the angle of the seat.

With continued reference to fig. 1 and 3, the central control module determines whether the traction force of the seatback connecting member to the seatback is within the allowable range according to the average pressures of the first seatback connecting member 14 and the second seatback connecting member 15 under the preset first condition, wherein,

the first type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back is in an allowable range under the preset first average pressure condition, and controls each module to continue to operate according to preset operation parameters;

The second type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back exceeds the allowable range under the preset second average pressure condition, and the rotating speed of the asynchronous driving motor is increased to a first corresponding rotating speed by calculating the difference value between the average pressure of the first chair back connecting piece 14 and the second chair back connecting piece 15 and the preset first average pressure;

the third type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back exceeds an allowable range under a preset third average pressure condition, primarily judges that the core piece is worn, counts the number of average pressure data of the chair back connecting piece meeting the preset third average pressure condition in historical data, and secondarily judges whether the core piece is worn according to the number of the average pressure data;

the preset first condition is that the running power of the asynchronous driving motor 5 is a fixed value; the preset first average pressure condition is that the average pressure of the first back connecting piece 14 and the second back connecting piece 15 is less than or equal to the preset first average pressure; the preset second average pressure condition is that the average pressure of the first seatback link 14 and the second seatback link 15 is greater than a preset first average pressure and less than or equal to a preset second average pressure; the preset third average pressure condition is that the average pressure of the first seatback link 14 and the second seatback link 15 is greater than the preset second average pressure; wherein the preset first average pressure is less than the preset second average pressure.

Further, according to the angle adjuster, through the three preset average pressure conditions and the three judging modes, whether the traction force of the chair back connecting piece on the chair back is within the allowable range or not is determined according to the average pressure of the first chair back connecting piece 14 and the average pressure of the second chair back connecting piece 15, the influence on the stability of the angle adjusting process caused by the inaccuracy of the detection of the chair back pressure in the angle adjusting process is reduced, and the stability and the accuracy of the seat angle adjusting process are further improved.

With continued reference to fig. 1 and 3, the central control module determines three types of adjustment modes for the rotation speed of the asynchronous driving motor 5 according to the difference between the average pressures of the first seatback connecting member 14 and the second seatback connecting member 15 and the preset first average pressure under the preset second average pressure condition, wherein,

the first type of rotation speed adjusting mode is that the central control module adjusts the rotation speed of the asynchronous driving motor to a preset motor rotation speed under a preset first pressure difference value condition;

the second type of rotation speed adjusting mode is that the central control module uses a preset first rotation speed primary adjusting coefficient to increase the rotation speed of the asynchronous driving motor to a first rotation speed under a preset second pressure difference value condition;

The third type of rotation speed adjusting mode is that the central control module uses a preset second rotation speed primary adjusting coefficient to increase the rotation speed of the asynchronous driving motor to a second rotation speed under a preset third pressure difference value condition;

the preset first pressure difference condition is that the average pressure difference of the chair back connecting piece is smaller than or equal to the preset first average pressure difference; the preset second pressure difference condition is that the average pressure difference of the chair back connecting piece is larger than the preset first average pressure difference and smaller than or equal to the preset second average pressure difference; the preset third pressure difference value condition is that the average pressure difference value of the chair back connecting piece is larger than the preset second average pressure difference value; wherein, the preset first rotating speed primary adjusting coefficient is smaller than the preset second rotating speed primary adjusting coefficient, the preset first average pressure difference value is smaller than the preset second average pressure difference value, and the average pressure difference value of the chair back connecting pieces is the difference value between the average pressure of the first chair back connecting pieces 14 and the second chair back connecting pieces 15 and the preset first average pressure.

The central control module is further provided with a preset asynchronous driving motor rotating speed V0, wherein the delta F1 < [ delta ] F2, and the 1 < alpha 2; the first rotation speed is denoted as V1', V1' =v0×αi is set, where αi is a preset i-th rotation speed primary adjustment coefficient, and i=1, 2 is set.

Furthermore, the angle adjuster of the invention reduces the influence on the stability of the angle adjusting process caused by the inaccuracy of the adjustment of the rotating speed of the asynchronous driving motor on the abrasion degree of the chair back connecting piece by setting three types of adjusting modes aiming at the rotating speed of the asynchronous driving motor and three preset pressure difference conditions and adjusting the rotating speed of the asynchronous driving motor to the first corresponding rotating speed according to the actual pressure difference, thereby further realizing the improvement on the stability and the accuracy of the angle adjusting process of the chair.

With continued reference to fig. 1 and 3, the central control module determines three secondary determination modes of whether the core member is worn according to the average pressure data amount under a preset third average pressure condition, wherein,

the first secondary judgment mode is that the central control module secondarily judges that the abrasion grade of the core piece is in an allowable range under the condition of presetting a first average pressure data quantity;

the second secondary judging mode is that the central control module secondarily judges that the first-stage abrasion exists on the chair back connecting piece under the condition of the preset second average pressure data quantity, and adjusts the loading voltage of the asynchronous driving motor 5 to the corresponding loading voltage according to the difference value between the average pressure data quantity and the preset first average pressure data quantity;

The third type of third judging mode is that the central control module preliminarily judges that the asynchronous adjustment condition exists under the condition of presetting a third average pressure data quantity, and calls a first distance and a second distance detected by the first distance sensor 7 and the second distance sensor 3 respectively to judge whether the angular travel is adjusted or not;

the preset first average pressure data quantity condition is that the average pressure data quantity is smaller than or equal to the preset first average pressure data quantity; the condition of the preset second average pressure data quantity is that the average pressure data quantity is larger than the preset first average pressure data quantity and smaller than or equal to the preset second average pressure data quantity; the condition of the preset third average pressure data quantity is that the average pressure data quantity is larger than the preset second average pressure data quantity;

the preset first average pressure data quantity is smaller than the preset second average pressure data quantity.

Furthermore, according to the angle adjuster, through the three set judging modes for judging whether the core piece is worn and the three preset average pressure data quantity conditions, whether the core piece is worn or not is judged secondarily according to the pressure quantity meeting the preset third average pressure condition in the historical data, the influence on the accuracy and stability of angle adjustment caused by unclear judgment on the wear condition of the core piece reflected by the pressure and inaccurate judgment on the wear condition of other parts of the angle adjuster is reduced, and the stability and the accuracy of the seat angle adjustment process are further improved.

With continued reference to fig. 1 and 3, the central control module determines three types of adjustment modes for the loading voltage of the asynchronous driving motor 5 according to the difference between the average pressure data amount and the preset first average pressure data amount under the preset second average pressure data amount condition, wherein,

the first voltage regulation mode is that the central control module judges that the loading voltage is regulated to a preset loading voltage under the condition of a preset first average pressure data quantity difference value;

the second type of voltage regulation mode is that the central control module judges that a preset first loading voltage regulation coefficient is used for regulating the loading voltage to the first voltage according to a preset second average pressure data quantity difference value condition;

the third type of voltage regulation mode is that the central control module judges that a preset second loading voltage regulation coefficient is used for regulating the loading voltage to a second voltage according to a preset third average pressure data quantity difference value condition;

the difference value condition of the preset first average pressure data quantity is that the difference value of the average pressure data quantity and the preset first average pressure data quantity is smaller than or equal to the difference value of the preset first average pressure data quantity; the preset second average pressure data quantity difference condition is that the difference between the average pressure data quantity and the preset first average pressure data quantity is larger than the preset first average pressure data quantity difference and smaller than or equal to the preset second average pressure data quantity difference; the difference value condition of the preset third average pressure data quantity is that the difference value between the average pressure data quantity and the preset first average pressure data quantity is larger than the difference value between the preset second average pressure data quantity;

The preset first loading voltage regulating coefficient is smaller than the preset second loading voltage regulating coefficient.

The preset first average pressure data quantity is denoted as Q1, the preset second average pressure data quantity is denoted as Q2, the preset first average pressure data quantity difference Δq1, the preset second average pressure data quantity difference Δq2, the preset first loading voltage adjustment coefficient is denoted as β1, the preset second loading voltage adjustment coefficient is denoted as β2, the central control module is further provided with a preset loading voltage U0, the difference between the average pressure data quantity and the preset first average pressure data quantity is denoted as Δq, wherein Δq1 < [ Δq2 ], 1 < β1 < β2, the adjusted corresponding loading voltage is denoted as U ', and U' =u0×βj is set, wherein βj is the preset j-th loading voltage adjustment coefficient, and j=1, 2.

Furthermore, the angle adjuster further improves the stability and the accuracy of the seat angle adjusting process by the influence of unreasonable motor power caused by inaccurate adjustment of the loading voltage of the asynchronous driving motor on the stability in the angle adjusting process and the influence of the safety of components due to the fact that three preset average pressure data quantity difference conditions and three types of adjustment modes aiming at the loading voltage of the asynchronous driving motor are arranged when the abrasion condition of the seat back connecting piece is judged.

With continued reference to fig. 1, 3 and 4, the central control module determines whether to adjust the angular travel according to the comparison result of the first distance and the second distance under the preset third average pressure data quantity condition, wherein,

the first type of distance judging mode is that the central control module judges that the asynchronous adjustment condition does not occur under the condition of a preset first comparison result;

the second type of distance judging mode is that the central control module judges that asynchronous adjustment occurs under the condition of a preset second comparison result, the abrasion conditions of two sides are different, the difference value between the first distance and the second distance is calculated, and the angle travel is adjusted to be corresponding to the angle travel according to the difference value;

the preset first comparison result condition is that the first distance is equal to the second distance; the preset second comparison result condition is that the first distance is not equal to the second distance.

Specifically, when the first distance is greater than the second distance, a difference between the first distance and the second distance is calculated, and when the second distance is greater than the first distance, a difference between the second distance and the first distance is calculated.

Furthermore, according to the angle adjuster, whether the angular travel is adjusted or not is determined through the comparison result of the first distance and the second distance, so that the influence on the stability and the accuracy of angle adjustment caused by inaccurate judgment of the asynchronous adjustment condition is reduced, and the stability and the accuracy of the seat angle adjustment process are further improved.

With continued reference to fig. 1, 3 and 4, the central control module determines three types of adjustment modes for the angular travel according to the difference between the first distance and the second distance under a preset second comparison result condition, wherein,

the first type of stroke adjustment mode is that the central control module judges that the angle stroke is adjusted to a preset stroke under the condition of a preset first distance difference value;

the second type of travel adjustment mode is that the central control module judges that a preset first angle travel adjustment coefficient is used for adjusting the angle travel to be higher than a first angle travel under a preset second distance difference condition;

the third type of stroke adjustment mode is that the central control module judges that a preset second angle stroke adjustment coefficient is used for adjusting the angle stroke to be higher than a second angle stroke under a preset third distance difference condition;

the preset first distance difference condition is that the difference value between the first distance and the second distance is smaller than or equal to a preset first distance difference value; the preset second distance difference condition is that the difference between the first distance and the second distance is larger than the preset first distance difference and smaller than or equal to the preset second distance difference; the preset third distance difference condition is that the difference between the first distance and the second distance is larger than the preset second distance difference; the preset first distance difference value is smaller than the preset second distance difference value, and the preset first angle stroke adjustment coefficient is smaller than the preset second angle stroke adjustment coefficient.

Further, according to the angle adjuster, through the preset first distance difference value, the preset second distance difference value, the preset first angle stroke adjustment coefficient and the preset second angle stroke adjustment coefficient, the angle stroke is adjusted to the corresponding value according to the difference value between the first distance and the second distance, the influence of lower stability in the angle adjustment process caused by the asynchronism in the angle adjustment process between two sides of the chair back reflected by the difference value between the first distance and the second distance is reduced, and the stability and the accuracy of the seat angle adjustment process are further improved.

Specifically, the first distance is denoted as D1, the second distance is denoted as D2, the difference between the first distance and the second distance is denoted as Δd, the preset first distance difference is denoted as Δd1, the preset second distance difference is denoted as Δd2, the preset first angular travel adjustment coefficient is denoted as γ1, the preset second angular travel adjustment coefficient is denoted as γ2, the central control module is further provided with a preset angular travel L0, wherein Δd1 < Δd2,1 < γ1 < γ2, the adjusted angular travel is denoted as L ', and L' =l0×γk is set, wherein γk is the preset kth angular travel adjustment coefficient, and k=1, 2 is set.

With continued reference to fig. 1 and 4, the central control module determines whether the adjustment of the motor rotation speed affects the angular adjustment stability according to the average vibration intensity of the chair back connecting piece detected by the vibration sensor arranged on the chair back connecting piece, wherein,

the first type of judgment influence mode is that the central control module judges that the adjustment of the motor rotation speed does not influence the angular adjustment stability under the condition of presetting a first average vibration intensity;

the second type of judgment influence mode is that the central control module judges that the regulation of the motor rotating speed has influence on angular regulation stability under the condition of preset second average vibration intensity, and the asynchronous driving motor rotating speed is regulated to a second corresponding rotating speed by calculating the difference value between the average vibration intensity and the preset first average vibration intensity;

the third type of judgment influence mode is that the central control module judges that the core piece has equipment faults and sends out fault maintenance notification under the condition of preset third average vibration intensity;

the preset first average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is smaller than or equal to the preset first average vibration intensity; the preset second average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is larger than the preset first average vibration intensity and smaller than or equal to the preset second average vibration intensity; the preset third average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is larger than the preset second average vibration intensity.

Specifically, the first back link 14 is provided with the first vibration sensor 8, and the second back link is provided with the second vibration sensor 2.

Further, according to the angle adjuster, through the preset first average vibration intensity, the preset second average vibration intensity, the preset third rotating speed secondary adjustment coefficient and the preset fourth rotating speed secondary adjustment coefficient, stability and accuracy of the seat angle adjusting process are further improved through the influence of unstable angle adjusting process caused by inaccurate judgment on whether the adjustment of the rotating speed of the motor is influenced by the actual vibration intensity of the seat back connecting piece or not.

With continued reference to fig. 1 and 4, the central control module determines three secondary adjustment modes for the rotation speed of the asynchronous driving motor according to the difference between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity under the preset second average vibration intensity condition, wherein,

the first secondary regulation mode is that the central control module judges that the rotating speed of the asynchronous driving motor is regulated to the rotating speed of a preset motor under the condition of a preset first average vibration intensity difference value;

the second type of secondary adjustment mode is that the central control module uses a preset fourth rotating speed secondary adjustment coefficient to judge that the rotating speed of the asynchronous driving motor is reduced to a third rotating speed under the condition of a preset second average vibration intensity difference value;

The third type of secondary adjustment mode is that the central control module uses a preset third rotating speed secondary adjustment coefficient to reduce the rotating speed of the asynchronous driving motor to a fourth rotating speed under the condition of a preset third average vibration intensity difference value;

the preset first average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is smaller than or equal to the preset first average vibration intensity difference value; the preset second average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is larger than the preset first average vibration intensity difference value and smaller than or equal to the preset second average vibration intensity difference value; the preset third average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is larger than the preset second average vibration intensity difference value; the preset third rotating speed secondary adjustment coefficient is smaller than the preset fourth rotating speed secondary adjustment coefficient.

Specifically, the preset first average vibration intensity is denoted as E1, the preset second average vibration intensity is denoted as E2, the preset first average vibration intensity difference is denoted as Δe1, the preset second average vibration intensity difference is denoted as Δe2, the preset third rotation speed secondary adjustment coefficient is denoted as α3, the preset fourth rotation speed secondary adjustment coefficient is denoted as α4, the difference between the average vibration intensity of the seatback connector and the preset first average vibration intensity is denoted as Δe, wherein Δe1 < [ Δe2 ], 0 < α3 < α4 < 1, the adjusted second corresponding rotation speed is denoted as V ", V" =v' ×αg, wherein αg is the preset g-th rotation speed secondary adjustment coefficient, and g=3, 4 is set.

Furthermore, according to the angle adjuster, through the preset first average vibration intensity difference value and the preset second average vibration intensity difference value, three secondary adjustment modes aiming at the rotating speed of the asynchronous driving motor are determined according to the difference value between the average vibration intensity and the preset first average vibration intensity, the unstable influence of the angle adjustment process caused by the inaccuracy problem of motor rotating speed adjustment reflected by overlarge vibration intensity is reduced, and the improvement of the stability and the accuracy of the seat angle adjustment process is further realized.

Examples

In the process of adjusting the seat backward, the central control module determines three types of adjustment modes for the rotation speed of the asynchronous driving motor according to the difference value between the average pressure of the first back connecting piece and the second back connecting piece and the preset first average pressure in the process of adjusting the seat backward, wherein the preset first average pressure is marked as F1, the preset second average pressure is marked as F2, the preset first average pressure difference value is marked as Δf1, the preset second average pressure difference value is marked as Δf2, the preset first rotation speed primary adjustment coefficient is marked as α1, the preset second rotation speed primary adjustment coefficient is marked as α2, the central control module is further provided with a preset asynchronous driving motor rotation speed V0, wherein Δf1=5n, Δf2=10n, α1=1.2, α2=1.5, and v0=1000r/min;

In this embodiment, the Δf=6n is obtained, the central control module determines that Δf is in the preset second pressure difference condition, and uses α1 to adjust the rotation speed of the asynchronous driving motor, where the rotation speed of the asynchronous driving motor after adjustment is recorded as v1' =1000r/min×1.2=1200r/min.

Further, in this embodiment, the angle adjuster adjusts the rotation speed of the asynchronous driving motor to the first corresponding rotation speed according to the actual pressure difference by setting three types of adjustment modes and three preset pressure difference conditions for the rotation speed of the asynchronous driving motor, so that the influence on the stability of angle adjustment caused by inaccurate adjustment of the rotation speed of the motor is reduced, and the stability and accuracy of the adjustment process of the angle of the seat are further improved.

Examples

In the process of adjusting the seat backward, the central control module determines three types of adjustment modes for the rotation speed of the asynchronous driving motor according to the difference value between the average pressure of the first back connecting piece and the second back connecting piece and the preset first average pressure in the process of adjusting the seat backward, wherein the preset first average pressure is marked as F1, the preset second average pressure is marked as F2, the preset first average pressure difference value is marked as Δf1, the preset second average pressure difference value is marked as Δf2, the preset first rotation speed primary adjustment coefficient is marked as α1, the preset second rotation speed primary adjustment coefficient is marked as α2, the central control module is further provided with a preset asynchronous driving motor rotation speed V0, wherein Δf1=5n, Δf2=10n, α1=1.2, α2=1.5, and v0=1000r/min;

In this embodiment, the Δf=12n is obtained, the central control module determines that Δf is in a preset third pressure difference condition, and uses α2 to adjust the rotation speed of the asynchronous driving motor, where the rotation speed of the asynchronous driving motor after adjustment is recorded as v1' =1000r/min×1.5=1500r/min.

Further, in the embodiment, by setting three types of adjustment modes and three preset pressure difference conditions for the rotating speed of the asynchronous driving motor and adjusting the rotating speed of the asynchronous driving motor to the second rotating speed according to the actual pressure difference, the influence on the stability of the angle adjustment process caused by the abrasion degree of the chair back connecting piece reflected by the pressure of the chair back connecting piece is reduced, and the improvement on the stability and the accuracy of the seat angle adjustment process is further realized.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.

The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electric intelligent angle adjuster for an automobile seat, comprising:

the driving module comprises an active rotating shaft for transmitting rotating torque and an asynchronous driving motor connected with the active rotating shaft for providing operating power of the active rotating shaft;

the core piece module is connected with the driving module and used for adjusting the angle of the seat and comprises a first core piece arranged on one side of the asynchronous driving motor and a second core piece arranged on one side far away from the first core piece;

the transmission module is connected with the core piece module and comprises a first chair back connecting piece connected with the first core piece and a second chair back connecting piece connected with the second core piece, wherein the first chair back connecting piece and the second chair back connecting piece are matched with each other to transmit the rotation moment of the core piece module to the chair back; the first and second chair back connecting pieces are respectively provided with a first pressure sensor and a second pressure sensor for detecting the pressure of the first and second chair back connecting pieces, and a first distance sensor and a second distance sensor for detecting the distance between the first and second chair back connecting pieces and the chair back;

The central control module is respectively connected with the driving module, the core piece module and the transmission module and is used for increasing the rotating speed of the asynchronous driving motor to a first corresponding rotating speed according to the average pressure of the first chair back connecting piece and the second chair back connecting piece detected by the pressure sensor, secondarily adjusting the rotating speed of the asynchronous driving motor to a second corresponding rotating speed according to the average vibration intensity of the chair back connecting piece detected by the vibration sensor arranged on the chair back connecting piece, adjusting the loading voltage of the asynchronous driving motor to the corresponding loading voltage according to the quantity of average pressure data meeting a preset third average pressure condition in the historical data, and judging whether the angular stroke is adjusted according to the first distance detected by the first distance sensor and the second distance detected by the second distance sensor;

the preset third average pressure condition is that the average pressure of the first chair back connecting piece and the second chair back connecting piece is larger than the preset second average pressure; the central control module is also provided with a preset first average pressure, wherein the preset first average pressure is smaller than a preset second average pressure.

2. The electric intelligent recliner for a car seat of claim 1 wherein the core member further comprises:

the movable mechanism is connected with the driving rotating shaft and used for adjusting the angle of the seat;

the fixed mechanism is connected with the movable mechanism and used for restraining the horizontal position of the movable mechanism;

the locking mechanism is arranged between the fixed mechanism and the movable mechanism and used for locking and unlocking the movable mechanism.

3. The intelligent electric recliner for vehicle seats of claim 1 wherein said central control module determines three types of determination as to whether the traction force of the seatback connector to the seatback is within an allowable range based on the average pressure of said first seatback connector and said second seatback connector under a preset first condition, wherein,

the first type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back is in an allowable range under the preset first average pressure condition, and controls each module to continue to operate according to preset operation parameters;

the second type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back exceeds an allowable range under the condition of preset second average pressure, and the rotating speed of the asynchronous driving motor is increased to a first corresponding rotating speed by calculating the difference value between the average pressure of the first chair back connecting piece and the second chair back connecting piece and the preset first average pressure;

The third type of judgment mode is that the central control module judges that the traction force of the chair back connecting piece on the chair back exceeds an allowable range under a preset third average pressure condition, primarily judges that the core piece is worn, counts the number of average pressure data of the chair back connecting piece meeting the preset third average pressure condition in historical data, and secondarily judges whether the core piece is worn according to the number of the average pressure data;

the first preset condition is that the running power of the asynchronous drive motor is a constant value; the preset first average pressure condition is that the average pressure of the first chair back connecting piece and the second chair back connecting piece is smaller than or equal to the preset first average pressure; the preset second average pressure condition is that the average pressure of the first chair back connecting piece and the second chair back connecting piece is larger than the preset first average pressure and smaller than or equal to the preset second average pressure; the preset third average pressure condition is that the average pressure of the first chair back connecting piece and the second chair back connecting piece is larger than the preset second average pressure; wherein the preset first average pressure is less than the preset second average pressure.

4. The intelligent electric recliner for vehicle seats of claim 3 wherein said central control module determines three types of adjustments for asynchronous drive motor rotational speed based on the difference between the average pressures of the first and second seatback connectors and the preset first average pressure at a preset second average pressure condition, wherein,

The first type of rotation speed adjusting mode is that the central control module adjusts the rotation speed of the asynchronous driving motor to a preset motor rotation speed under a preset first pressure difference value condition;

the second type of rotation speed adjusting mode is that the central control module uses a preset first rotation speed primary adjusting coefficient to increase the rotation speed of the asynchronous driving motor to a first rotation speed under a preset second pressure difference value condition;

the third type of rotation speed adjusting mode is that the central control module uses a preset second rotation speed primary adjusting coefficient to increase the rotation speed of the asynchronous driving motor to a second rotation speed under a preset third pressure difference value condition;

the preset first pressure difference condition is that the average pressure difference of the chair back connecting piece is smaller than or equal to the preset first average pressure difference; the preset second pressure difference condition is that the average pressure difference of the chair back connecting piece is larger than the preset first average pressure difference and smaller than or equal to the preset second average pressure difference; the preset third pressure difference value condition is that the average pressure difference value of the chair back connecting piece is larger than the preset second average pressure difference value; the preset first rotating speed primary adjusting coefficient is smaller than the preset second rotating speed primary adjusting coefficient, the preset first average pressure difference value is smaller than the preset second average pressure difference value, and the average pressure difference value of the chair back connecting pieces is the difference value between the average pressure of the first chair back connecting pieces and the average pressure of the second chair back connecting pieces and the preset first average pressure.

5. The intelligent electric recliner for vehicle seats of claim 4 wherein said central control module determines three secondary decisions as to whether wear of the core member has occurred based on the number of average pressure data under a preset third average pressure condition, wherein,

the first secondary judgment mode is that the central control module secondarily judges that the abrasion grade of the core piece is in an allowable range under the condition of presetting a first average pressure data quantity;

the second secondary judgment mode is that the central control module secondarily judges that the first-stage abrasion exists on the chair back connecting piece under the condition of the preset second average pressure data quantity, and adjusts the loading voltage of the asynchronous driving motor to the corresponding loading voltage according to the difference value between the average pressure data quantity and the preset first average pressure data quantity;

the third type of three-time judging mode is that the central control module preliminarily judges that the asynchronous adjustment condition exists under the condition of presetting a third average pressure data quantity, and calls a first distance and a second distance detected by the first distance sensor and the second distance sensor respectively to judge whether the angular travel is adjusted or not;

the preset first average pressure data quantity condition is that the average pressure data quantity is smaller than or equal to the preset first average pressure data quantity; the condition of the preset second average pressure data quantity is that the average pressure data quantity is larger than the preset first average pressure data quantity and smaller than or equal to the preset second average pressure data quantity; the condition of the preset third average pressure data quantity is that the average pressure data quantity is larger than the preset second average pressure data quantity;

The preset first average pressure data quantity is smaller than the preset second average pressure data quantity.

6. The intelligent electric recliner for vehicle seats of claim 5 wherein the central control module determines three types of adjustment of the loading voltage for the asynchronous drive motor based on the difference between the average pressure data amount and the preset first average pressure data amount under the preset second average pressure data amount condition, wherein,

the first voltage regulation mode is that the central control module judges that the loading voltage is regulated to a preset loading voltage under the condition of a preset first average pressure data quantity difference value;

the second type of voltage regulation mode is that the central control module judges that a preset first loading voltage regulation coefficient is used for regulating the loading voltage to the first voltage according to a preset second average pressure data quantity difference value condition;

the third type of voltage regulation mode is that the central control module judges that a preset second loading voltage regulation coefficient is used for regulating the loading voltage to a second voltage according to a preset third average pressure data quantity difference value condition;

the difference value condition of the preset first average pressure data quantity is that the difference value of the average pressure data quantity and the preset first average pressure data quantity is smaller than or equal to the difference value of the preset first average pressure data quantity; the preset second average pressure data quantity difference condition is that the difference between the average pressure data quantity and the preset first average pressure data quantity is larger than the preset first average pressure data quantity difference and smaller than or equal to the preset second average pressure data quantity difference; the difference value condition of the preset third average pressure data quantity is that the difference value between the average pressure data quantity and the preset first average pressure data quantity is larger than the difference value between the preset second average pressure data quantity;

The preset first loading voltage regulating coefficient is smaller than the preset second loading voltage regulating coefficient.

7. The intelligent electric recliner for vehicle seats of claim 6 wherein said central control module determines whether to adjust the angular travel in two types of decisions based on a comparison of said first distance and said second distance in a predetermined third average pressure data amount condition, wherein,

the first type of distance judging mode is that the central control module judges that the asynchronous adjustment condition does not occur under the condition of a preset first comparison result;

the second type of distance judging mode is that the central control module judges that asynchronous adjustment occurs under the condition of a preset second comparison result, the abrasion conditions of two sides are different, the difference value between the first distance and the second distance is calculated, and the angle travel is adjusted to be corresponding to the angle travel according to the difference value;

the preset first comparison result condition is that the first distance is equal to the second distance; the preset second comparison result condition is that the first distance is not equal to the second distance.

8. The intelligent electric recliner for vehicle seats of claim 7 wherein said central control module determines three types of adjustment for angular travel based on the difference between said first distance and said second distance in a preset second comparison condition, wherein,

The first type of stroke adjustment mode is that the central control module judges that the angle stroke is adjusted to a preset stroke under the condition of a preset first distance difference value;

the second type of travel adjustment mode is that the central control module judges that a preset first angle travel adjustment coefficient is used for adjusting the angle travel to be higher than a first angle travel under a preset second distance difference condition;

the third type of stroke adjustment mode is that the central control module judges that a preset second angle stroke adjustment coefficient is used for adjusting the angle stroke to be higher than a second angle stroke under a preset third distance difference condition;

the preset first distance difference condition is that the difference value between the first distance and the second distance is smaller than or equal to a preset first distance difference value; the preset second distance difference condition is that the difference between the first distance and the second distance is larger than the preset first distance difference and smaller than or equal to the preset second distance difference; the preset third distance difference condition is that the difference between the first distance and the second distance is larger than the preset second distance difference; the preset first distance difference value is smaller than the preset second distance difference value, and the preset first angle stroke adjustment coefficient is smaller than the preset second angle stroke adjustment coefficient.

9. The electric intelligent recliner for vehicle seats of claim 8 wherein said central control module determines whether adjustment of motor speed affects angular adjustment stability based on the average vibration intensity of the seatback links detected by the vibration sensor provided on the seatback links, wherein,

the first type of judgment influence mode is that the central control module judges that the adjustment of the motor rotation speed does not influence the angular adjustment stability under the condition of presetting a first average vibration intensity;

the second type of judgment influence mode is that the central control module judges that the regulation of the motor rotating speed has influence on angular regulation stability under the condition of preset second average vibration intensity, and the asynchronous driving motor rotating speed is regulated to a second corresponding rotating speed by calculating the difference value between the average vibration intensity and the preset first average vibration intensity;

the third type of judgment influence mode is that the central control module judges that the core piece has equipment faults and sends out fault maintenance notification under the condition of preset third average vibration intensity;

the preset first average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is smaller than or equal to the preset first average vibration intensity; the preset second average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is larger than the preset first average vibration intensity and smaller than or equal to the preset second average vibration intensity; the preset third average vibration intensity condition is that the average vibration intensity of the chair back connecting piece is larger than the preset second average vibration intensity.

10. The electric intelligent recliner for vehicle seats of claim 9 wherein said central control module determines three secondary adjustment modes for the speed of the asynchronous drive motor based on the difference between the average vibration intensity of the seatback connector and the preset first average vibration intensity at the preset second average vibration intensity condition, wherein,

the first secondary regulation mode is that the central control module judges that the rotating speed of the asynchronous driving motor is regulated to the rotating speed of a preset motor under the condition of a preset first average vibration intensity difference value;

the second type of secondary adjustment mode is that the central control module uses a preset fourth rotating speed secondary adjustment coefficient to judge that the rotating speed of the asynchronous driving motor is reduced to a third rotating speed under the condition of a preset second average vibration intensity difference value;

the third type of secondary adjustment mode is that the central control module uses a preset third rotating speed secondary adjustment coefficient to reduce the rotating speed of the asynchronous driving motor to a fourth rotating speed under the condition of a preset third average vibration intensity difference value;

the preset first average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is smaller than or equal to the preset first average vibration intensity difference value; the preset second average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is larger than the preset first average vibration intensity difference value and smaller than or equal to the preset second average vibration intensity difference value; the preset third average vibration intensity difference condition is that the difference value between the average vibration intensity of the chair back connecting piece and the preset first average vibration intensity is larger than the preset second average vibration intensity difference value; the preset third rotating speed secondary adjustment coefficient is smaller than the preset fourth rotating speed secondary adjustment coefficient.

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