CN113147522A - Self-balancing method for automobile seat and self-balancing automobile seat - Google Patents
Self-balancing method for automobile seat and self-balancing automobile seat Download PDFInfo
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- CN113147522A CN113147522A CN202110514822.1A CN202110514822A CN113147522A CN 113147522 A CN113147522 A CN 113147522A CN 202110514822 A CN202110514822 A CN 202110514822A CN 113147522 A CN113147522 A CN 113147522A
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- 238000009434 installation Methods 0.000 claims description 11
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- 210000000689 upper leg Anatomy 0.000 description 5
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- 238000001931 thermography Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
- B60N2/0268—Non-manual adjustments, e.g. with electrical operation with logic circuits using sensors or detectors for adapting the seat or seat part, e.g. to the position of an occupant
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- Seats For Vehicles (AREA)
Abstract
The invention discloses a self-balancing method of an automobile seat and the self-balancing automobile seat, which is characterized in that an inclination angle signal of the automobile seat relative to a horizontal plane is obtained and is transmitted to an on-board controller; the vehicle-mounted controller judges a vehicle running state signal based on the inclination angle signal; the vehicle-mounted controller judges whether the automobile seat needs to be adjusted or not based on the vehicle running state signal, and when the automobile seat needs to be adjusted, the vehicle-mounted controller acquires a seat adjusting signal based on the inclination angle signal and transmits the seat adjusting signal to the seat adjusting actuator; the seat adjusting actuator adjusts the seat automobile to always keep a fixed inclination angle with the horizontal plane based on the seat adjusting signal. The invention can reasonably adjust the seat to always form a fixed angle with the horizontal plane, thereby improving the riding comfort of a driver.
Description
Technical Field
The invention discloses an automobile seat, belongs to the technical field of automobile seats, and particularly discloses an automobile seat self-balancing method and an automobile seat with self-balancing.
Background
The conventional driver seat is fixed on a white vehicle body floor, the angle of the seat is parallel to the floor, and the seat can only be adjusted front and back or up and down and cannot be adjusted in a self-adaptive manner according to the state of a vehicle in the driving process. For example, when a vehicle ascends or descends, the driver seat and the vehicle are always fixed at a fixed angle, namely, an included angle is formed between the driver seat and the ground, and a human body needs to exert force to eliminate the influence, for example, the driver seat needs to lean forward when ascending, and the driver seat needs to lean backward when descending, so that the riding comfort is influenced.
The specification of chinese invention patent CN106994915A discloses a driving seat adaptive adjustment device based on the physical characteristics of a driver, which includes a gravity sensor, a driver body size recognition system, a driver sitting posture angle recognition system, an adjustment control system, a driving system and a storage system, wherein: the gravity sensor is arranged in a cushion of the driver seat, and acquires the weight data of the driver; the driver body size recognition system consists of an image acquisition module and a data processing module which are arranged above a main cab of the automobile, wherein the image acquisition module acquires a driver thermal imaging picture and transmits the driver thermal imaging picture data to the data processing module, and the data processing module processes and analyzes the driver thermal imaging picture data to obtain various pieces of body size information of the driver required by adjusting a driver seat; the driver sitting posture angle recognition system comprises hardware formed by a processor and a program in the hardware, wherein data processing modules of a gravity sensor and a driver body size recognition system are respectively connected with the hardware in the driver sitting posture angle recognition system, the gravity sensor transmits acquired weight data of a driver to the driver sitting posture angle recognition system, the driver body size recognition system transmits various body size information of the driver obtained through analysis to the driver sitting posture angle recognition system, the program in the driver sitting posture angle recognition system judges a comfortable sitting posture angle of the driver according to the weight data of the driver and the various body size information of the driver, namely, the weight, the upper arm length, the forearm length, the shank length, the thigh length and the trunk line length of the driver are set as independent variables, and the included angles between the trunk line and the vertical direction and between the trunk line and the thigh are set, The main parameters of the comfortable sitting posture angle, namely the included angle between the thigh and the shank, are multivariate linear regression models of dependent variables, and the regression coefficients of the models are obtained through a great number of real vehicle seat comfort regulation experiments of a plurality of drivers; the driving system consists of a plurality of driving motors for driving the driving seat to move back and forth, move up and down and adjust the angle of the backrest, and the control end of each driving motor is respectively connected with the adjusting control system which controls and drives each driving motor; the adjusting control system is composed of a control chip, the adjusting control system receives comfortable sitting posture angle information obtained by the driver sitting posture angle identification system and various body size information of the driver obtained by the adjusting control system calling the body size identification system of the driver, the comfortable sitting posture angle information refers to the included angle between a trunk line and the vertical direction, the included angle between the trunk and thighs and the included angle between the thighs and the calves, which are obtained by the driver sitting posture angle identification system through a multiple linear regression model, the control chip converts various body size information and the comfortable sitting posture angle information of the driver into digital signals for data processing to obtain two-dimensional adjusting data of the driving seat and adjusting data of the angle of the seat back, and working parameters of various driving motors are obtained by calculation according to the two-dimensional adjusting data of the driving seat and the adjusting data of the angle of the seat back as the adjusting scheme of the driving seat, finally, converting working parameters in the driving seat adjusting scheme into pulse signals for controlling each motor in the driving system, and after receiving the pulse signals of the adjusting control system, each driving motor performs two-dimensional adjustment on the driving seat and performs angle adjustment on the seat backrest; the storage system is respectively connected with the gravity sensor, the driver body size recognition system and the adjusting control system, the storage system stores the weight data of the driver collected by the gravity sensor and the body size information of each driver obtained by the driver body size recognition system, the adjusting control system calls the body size information of each driver obtained by the driver body size recognition system in the storage system, and the storage system stores the adjusting scheme of the driving seat obtained by the adjusting control system. Above-mentioned technical scheme only discloses the weight data who obtains the driver through gravity sensor to cooperate other devices to adjust the height of seat, fore-and-aft distance and back angle in real time, adjust the seat to the state that satisfies driver's comfort level, and the characteristics that do not disclose are through gravity-feed tank sensor adjustment seat and ground be fixed angle all the time, promote driver's riding comfort.
Further, the specification of chinese patent application CN108698524B discloses a vehicle seat having an angular trajectory plan during large displacement, comprising a seat, a support structure coupled with the seat and comprising an actuator configured to move the seat at a commanded angle relative to a floor of the vehicle in response to movement of the vehicle; at least one sensor positioned to detect motion of a vehicle; and a controller configured to receive the signal from the at least one sensor, generate a command signal to instruct the actuator to move the seat relative to a floor of the vehicle, determine whether the command signal will cause the seat to exceed a limit, scale the command signal to coincide with movement of the vehicle within the limit, and provide a force command to the actuator to move the seat based on the scaled command signal. Although the above scheme discloses compensation of vehicle motion through angle adjustment of the bottom plate and the seat, and compensation of inclination and roll is involved, the sensor only senses vehicle motion track, calculates vehicle dynamics, and the adjusting mechanism is of a mechanical structure, can only adjust left and right to compensate vehicle roll attitude, and cannot always form a fixed angle with the ground through adjustment of the seat, so that the riding comfort of a driver is improved.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a self-balancing method of an automobile seat and the self-balancing automobile seat, which can reasonably adjust the seat to always form a fixed angle with a horizontal plane, and improve the riding comfort of a driver.
The invention discloses a self-balancing method of an automobile seat, which comprises the steps of acquiring an inclination angle signal of the automobile seat relative to a horizontal plane and transmitting the inclination angle signal to an on-board controller; the vehicle-mounted controller judges a vehicle running state signal based on the inclination angle signal; the vehicle-mounted controller judges whether the automobile seat needs to be adjusted or not based on the vehicle running state signal, and when the automobile seat needs to be adjusted, the vehicle-mounted controller acquires a seat adjusting signal based on the inclination angle signal and transmits the seat adjusting signal to the seat adjusting actuator; the seat adjusting actuator adjusts the seat automobile to always keep a fixed inclination angle with the horizontal plane based on the seat adjusting signal.
In a preferred embodiment of the present invention, the method for obtaining the tilt angle signal of the vehicle seat relative to the horizontal plane comprises obtaining the tilt angle signal of the vehicle seat relative to the horizontal plane based on a gravity sensor on the vehicle seat.
In a preferred embodiment of the present invention, a method for an on-board controller to determine a vehicle driving state signal based on a tilt angle signal includes:
the vehicle-mounted controller analyzes the inclination angle signal into a transverse inclination angle signal X and a longitudinal inclination angle signal Y;
the vehicle-mounted controller determines a vehicle driving state signal based on the transverse inclination angle signal X, the longitudinal inclination angle signal Y and the duration signal T.
In a preferred embodiment of the present invention, the vehicle running state signal includes,
vehicle normal signal: longitudinal inclination signal-a1°≤Y≤a1°；
Vehicle uphill signal: longitudinal tilt angle signal Y > a1And T > T1；
Vehicle downhill signal: longitudinal tilt angle signal Y < -a1And T > T1
Vehicle left roll signal: transverse inclination angle signal Y > a1And T > T1；
Vehicle right roll signal: transverse inclination angle signal Y < -a1And T > T1；
Vehicle uphill left roll signal: longitudinal tilt angle signal Y > a1And T > T1The lateral tilt angle signal Y > a1And T > T1；
Vehicle uphill right roll signal: longitudinal tilt angle signal Y > a1And T > T1The transverse inclination angle signal Y < -a1And T > T1；
Vehicle downhill left roll signal: longitudinal tilt angle signal Y < -a1And T > T1The lateral tilt angle signal Y > a1DEG andT＞t1；
vehicle downhill right roll signal: longitudinal tilt angle signal Y < -a1And T > T1The transverse inclination angle signal Y < -a1And T > T1。
In a preferred embodiment of the present invention, the vehicle seat does not need to be adjusted when the on-board controller determines that the vehicle is in a vehicle normal signal, otherwise, the vehicle seat needs to be adjusted.
In a preferred embodiment of the present invention, the method for the on-board controller to acquire the seat adjustment signal based on the reclining angle signal includes,
the vehicle-mounted controller analyzes the inclination angle signal into a transverse inclination angle signal X and a longitudinal inclination angle signal Y;
and acquiring a telescopic adjusting signal for driving the electric hydraulic stay bar connected to the lower end of the seat to stretch and retract based on the transverse inclination angle signal X and the longitudinal inclination angle signal Y.
In a preferred embodiment of the present invention, the method for adjusting the seat by the seat adjustment actuator based on the adjustment seat adjustment signal is:
vehicle uphill state: lifting two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction, and descending two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction;
vehicle downhill state: two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction descend, and two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction lift;
vehicle left roll state: the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are descended;
vehicle right roll state: the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are descended;
vehicle uphill left bank state: lifting two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction, and descending two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction; the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are descended;
vehicle uphill right roll state: lifting two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction, and descending two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction; the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are descended;
vehicle downhill left side roll state: two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction descend, and two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction lift; the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are descended;
vehicle downhill right roll state: two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction descend, and two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction lift; the two electro-hydraulic struts located on the right side of the traveling direction of the automobile seat are lifted, and the two electro-hydraulic struts located on the left side of the traveling direction of the automobile seat are lowered.
The invention also discloses a self-balancing automobile seat which comprises an automobile body floor, wherein a seat is arranged on the automobile body floor, the seat comprises a lower base used for connecting the automobile body floor and an upper seat arranged on the lower base, an installation cavity is processed between the lower base and the upper seat, an angle monitoring unit used for monitoring the inclination angle of the seat relative to the horizontal plane and a motion execution unit used for driving and adjusting the seat to be parallel relative to the horizontal plane are arranged in the installation cavity, and the angle monitoring unit and the motion execution unit are electrically connected with an on-board controller.
In a preferred embodiment of the present invention, the angle monitoring unit includes two gravity sensors, the two gravity sensors are orthogonally disposed on the upper seat, and centers of the two gravity sensors are arranged vertically symmetrically with respect to a center of the upper seat.
In a preferred embodiment of the present invention, the movement performing unit includes four electrohydraulic stays, and one end of each electrohydraulic stay is connected to the lower end surface of the upper seat by a ball hinge, and the other end of each electrohydraulic stay is connected to the lower end surface of the lower base by a ball hinge.
In a preferred embodiment of the invention, the centers of symmetry of the four electrohydraulic struts coincide with the center of symmetry of the upper seat.
In a preferred embodiment of the present invention, a seat controller for converting an angle signal input from the angle monitoring unit into a linear signal output to the motion performing unit is disposed in the installation chamber.
The invention has the beneficial effects that: according to the invention, the seat real-time signal acquired by the gravity sensing sensor is added on the upper part of the driver seat, and the seat is adjusted to always form a fixed angle (can be parallel) with the ground through the signal, so that the riding comfort of a driver is effectively improved; the gravity sensor-based method for acquiring the inclination angle signal of the automobile seat relative to the horizontal plane has the advantages of simple structure, high precision and good stability; furthermore, the electric hydraulic stay bar is adopted as the execution unit, so that the structure is simple, and the advantage of high response speed is achieved; furthermore, the self-balancing automobile seat structure disclosed by the invention is convenient to process and assemble, does not occupy the space in the automobile, and is completely integrated in the automobile seat; furthermore, the angle monitoring device selects 2 two gravity sensors as the angle monitoring unit, and ensures that the 2 gravity sensors are orthogonally arranged on the upper seat, and the centers of the two gravity sensors are vertically and symmetrically arranged relative to the center of the upper seat, so that the angle monitoring of the seat is more accurate; furthermore, four electric hydraulic support rods are selected as the motion execution unit, one end of each electric hydraulic support rod is connected with the lower end face of the upper seat through a spherical hinge, and the other end of each electric hydraulic support rod is connected with the lower end face of the lower base through a spherical hinge, so that adjustment of various working conditions can be realized, and the universality of the electric hydraulic support rods is improved; furthermore, the seat controller for converting the angle signal input by the angle monitoring unit into the linear signal output to the motion execution unit is arranged in the installation cavity, so that the electrical communication between the angle monitoring unit, the motion execution unit and the vehicle-mounted controller can be omitted.
Drawings
FIG. 1 is a schematic view of a self-balancing car seat of the present invention;
FIG. 2 is a schematic flow diagram of a self-balancing method for a vehicle seat according to the present invention;
FIG. 3 is a schematic diagram of four electro-hydraulic strut arrangements for a self-balancing car seat of the present invention;
FIG. 4 is a schematic front view of a self-balancing car seat of the present invention;
FIG. 5 is a schematic side view of a self-balancing automotive seat of the present invention;
in the figure: a-a first electro-hydraulic support rod, B-a second electro-hydraulic support rod, C-a third electro-hydraulic support rod, D-a fourth electro-hydraulic support rod, 1-a lower base, 2-an upper seat, 3-a gravity sensor and 4-an electro-hydraulic support rod.
Detailed Description
The invention will now be described in further detail, including the preferred embodiments, with reference to the accompanying drawings and by way of illustration of some alternative embodiments of the invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The invention discloses a self-balancing method of an automobile seat, which comprises the steps of acquiring an inclination angle signal of the automobile seat relative to a horizontal plane and transmitting the inclination angle signal to an on-board controller; the vehicle-mounted controller judges a vehicle running state signal based on the inclination angle signal; the vehicle-mounted controller judges whether the automobile seat needs to be adjusted or not based on the vehicle running state signal, and when the automobile seat needs to be adjusted, the vehicle-mounted controller acquires a seat adjusting signal based on the inclination angle signal and transmits the seat adjusting signal to the seat adjusting actuator; the seat adjusting actuator adjusts the seat automobile to always keep a fixed inclination angle with the horizontal plane based on the seat adjusting signal.
In a preferred embodiment of the present invention, the method of acquiring the tilt angle signal of the car seat with respect to the horizontal plane comprises acquiring the tilt angle signal of the car seat with respect to the horizontal plane based on a gravity sensor in the car seat.
In a preferred embodiment of the present invention, a method for an on-board controller to determine a vehicle driving state signal based on a tilt angle signal includes:
the vehicle-mounted controller analyzes the inclination angle signal into a transverse inclination angle signal X and a longitudinal inclination angle signal Y;
the vehicle-mounted controller determines a vehicle driving state signal based on the transverse inclination angle signal X, the longitudinal inclination angle signal Y and the duration signal T.
In a preferred embodiment of the present invention, the vehicle running state signal includes,
vehicle normal signal: longitudinal inclination signal-a1°≤Y≤a1°；
Vehicle uphill signal: longitudinal tilt angle signal Y > a1And T > T1；
Vehicle downhill signal: longitudinal tilt angle signal Y < -a1And T > T1
Vehicle left roll signal: transverse inclination angle signal Y > a1And T > T1；
Vehicle right roll signal: transverse inclination angle signal Y < -a1And T > T1；
Vehicle uphill left roll signal: longitudinal tilt angle signal Y > a1And T > T1The lateral tilt angle signal Y > a1And T > T1；
Vehicle uphill right roll signal: longitudinal tilt angle signal Y > a1And T > T1The transverse inclination angle signal Y < -a1And T > T1；
Vehicle downhill left roll signal: longitudinal tilt angle signal Y < -a1And T > T1The lateral tilt angle signal Y > a1And T > T1；
Vehicle downhill right roll signal: longitudinal tilt angle signal Y < -a1And T > T1The transverse inclination angle signal Y < -a1And T > T1。
In a preferred embodiment of the present invention, the vehicle seat does not need to be adjusted when the on-board controller determines that the vehicle is in a vehicle normal signal, otherwise, the vehicle seat needs to be adjusted.
In a preferred embodiment of the present invention, the method for the on-board controller to acquire the seat adjustment signal based on the reclining angle signal includes,
the vehicle-mounted controller analyzes the inclination angle signal into a transverse inclination angle signal X and a longitudinal inclination angle signal Y;
and acquiring a telescopic adjusting signal for driving the electric hydraulic stay bar connected to the lower end of the seat to stretch and retract based on the transverse inclination angle signal X and the longitudinal inclination angle signal Y.
In a preferred embodiment of the present invention, the method for adjusting the seat by the seat adjustment actuator based on the adjustment seat adjustment signal is:
vehicle uphill state: lifting two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction, and descending two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction;
vehicle downhill state: two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction descend, and two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction lift;
vehicle left roll state: the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are descended;
vehicle right roll state: the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are descended;
vehicle uphill left bank state: lifting two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction, and descending two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction; the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are descended;
vehicle uphill right roll state: lifting two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction, and descending two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction; the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are descended;
vehicle downhill left side roll state: two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction descend, and two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction lift; the two electric hydraulic support rods positioned on the left side of the traveling direction of the automobile seat are lifted, and the two electric hydraulic support rods positioned on the right side of the traveling direction of the automobile seat are descended;
vehicle downhill right roll state: two electric hydraulic support rods positioned at the rear end of the automobile seat in the advancing direction descend, and two electric hydraulic support rods positioned at the front end of the automobile seat in the advancing direction lift; the two electro-hydraulic struts located on the right side of the traveling direction of the automobile seat are lifted, and the two electro-hydraulic struts located on the left side of the traveling direction of the automobile seat are lowered.
The invention also discloses a self-balancing automobile seat, which comprises an automobile body floor, wherein the automobile body floor is provided with a seat, the seat comprises a lower base 1 and an upper seat 2, the lower base 1 is used for connecting the automobile body floor, the upper seat 2 is arranged on the lower base 1, an installation cavity is processed between the lower base 1 and the upper seat 2, an angle monitoring unit for monitoring the inclination angle of the seat relative to the horizontal plane and a motion execution unit for driving and adjusting the seat to be parallel relative to the horizontal plane are arranged in the installation cavity, and the angle monitoring unit and the motion execution unit are electrically connected with an on-board controller.
Preferably, the angle monitoring unit includes two gravity sensors 3, the two gravity sensors 3 are orthogonally disposed on the upper seat 2, and centers of the two gravity sensors 3 are arranged vertically symmetrically with respect to a center of the upper seat 2.
Preferably, the movement executing unit comprises four electro-hydraulic support rods 4, one end of each electro-hydraulic support rod 4 is connected with the lower end face of the upper seat 2 through a ball hinge, and the other end of each electro-hydraulic support rod 4 is connected with the lower end face of the lower base 1 through a ball hinge.
Preferably, the symmetry centers of the four electrohydraulic struts 4 coincide with the symmetry center of the upper seat 2.
Preferably, a seat controller for converting an angle signal input by the angle monitoring unit into a linear signal output to the movement execution unit is arranged in the installation cavity, and the angle monitoring unit and the movement execution unit are electrically connected with the seat controller.
In a preferred embodiment of the invention, the two gravity sensors are arranged on the seat bracket, are close to the position of the seat electric adjusting controller and are electrically connected with the seat electric adjusting controller through a wire harness, and acquire real-time horizontal position, and the tolerance of 5 degrees is given.
It is noted that the gravity sensor is a sensor capable of converting motion or gravity into an electric signal as a related art. The mass block of the gravity sensor adopted by the invention generates deflection under the action of the component of the gravity acceleration g in the inclination direction, so that the output voltage of the gravity sensor is changed, and the inclination angle of the plane in a certain direction is obtained. Two gravity sensors are orthogonally arranged at the center of the platform, and the transverse inclination angle and the longitudinal inclination angle of the platform can be determined according to the inclination angles in the two directions.
In a preferred embodiment of the invention, four electro-hydraulic struts 4 enclose a rectangular shape. The coordinated motion of electro-hydraulic stay bar 4 realizes the angle modulation of seat 2, and the electro-hydraulic stay bar both ends all are furnished with the mounting hole. Considering that four directions are needed to realize self-balancing ascending, descending, left bend and right bend, four supporting rods are needed to be matched with each other to lift, so that angle adjustment in the four directions is realized, the electro-hydraulic supporting rods are electrically connected with the controller through four wire harnesses to receive signals sent by the controller and realize adjustment, and a driver is always horizontal to the ground after adjustment to improve riding comfort (the optimal technical scheme needs to point out that the invention can also realize system movement of three electro-hydraulic supporting rods 4 or 4 electro-hydraulic supporting rods 4, and because of the existence of the ball hinges, the lower base 1, the upper seat 2 and the electro-hydraulic supporting rods 4 always form a hexahedron).
The implementation of one embodiment of the present invention is described in the following instruction set
The following adjusting mechanisms of the seat are arranged and realize instructions:
the controller sends out above-mentioned software instruction, transmits for 4 electronic hydraulic pressure vaulting poles, can realize brand-new self-balancing function, has promoted driver's riding comfort greatly to it is beneficial to the driver at the field of vision of downhill path.
According to the ergonomics, 95% of the human body weighs 78kg, the seat weighs 50kg, the total weight 128X9.8 is calculated to be 1254N, four struts, and the load does not exceed 30% in consideration of the durability, and it is recommended to select the electro-hydraulic struts with the parameters similar to the following.
It should be understood that the above-mentioned embodiments are merely exemplary of the present invention, and not restrictive, and that any modifications, combinations, substitutions, improvements, etc. made within the spirit and scope of the present invention are included in the present invention.
Claims (10)
1. A self-balancing method of an automobile seat is characterized in that: acquiring an inclination angle signal of the automobile seat relative to a horizontal plane and transmitting the inclination angle signal to an on-board controller; the vehicle-mounted controller judges a vehicle running state signal based on the inclination angle signal; the vehicle-mounted controller judges whether the automobile seat needs to be adjusted or not based on the vehicle running state signal, and when the automobile seat needs to be adjusted, the vehicle-mounted controller acquires a seat adjusting signal based on the inclination angle signal and transmits the seat adjusting signal to the seat adjusting actuator; the seat adjusting actuator adjusts the seat automobile to always keep a fixed inclination angle with the horizontal plane based on the seat adjusting signal.
2. The car seat self-balancing method according to claim 1, characterized in that: the method for acquiring the inclination angle signal of the automobile seat relative to the horizontal plane comprises the step of acquiring the inclination angle signal of the automobile seat relative to the horizontal plane based on a gravity sensor in the automobile seat.
3. The car seat self-balancing method according to claim 1, characterized in that: the method for judging the vehicle running state signal by the vehicle-mounted controller based on the inclination angle signal comprises the following steps:
the vehicle-mounted controller analyzes the inclination angle signal into a transverse inclination angle signal X and a longitudinal inclination angle signal Y;
the vehicle-mounted controller determines a vehicle driving state signal based on the transverse inclination angle signal X, the longitudinal inclination angle signal Y and the duration signal T.
4. The car seat self-balancing method according to claim 3, characterized in that: the vehicle-running state signal includes a vehicle-running state signal,
vehicle normal signal: longitudinal inclination signal-a1°≤Y≤a1°；
Vehicle uphill signal: longitudinal tilt angle signal Y > a1And T > T1；
Vehicle downhill signal: longitudinal tilt angle signal Y < -a1And T > T1
Vehicle left roll signal: transverse inclination angle signal Y > a1And T > T1；
Vehicle right roll signal: transverse inclination angle signal Y < -a1And T > T1；
Vehicle uphill left roll signal: longitudinal tilt angle signal Y > a1And T > T1The lateral tilt angle signal Y > a1And T > T1；
Vehicle uphill right roll signal: longitudinal tilt angle signal Y > a1And T > T1The transverse inclination angle signal Y < -a1And T > T1；
Vehicle downhill left roll signal: longitudinal tilt angle signal Y < -a1And T > T1The lateral tilt angle signal Y > a1And T > T1；
Vehicle downhill right roll signal: longitudinal tilt angle signal Y < -a1And T > T1The transverse inclination angle signal Y < -a1And T > T1；
When the vehicle-mounted controller judges that the vehicle is in a vehicle normal signal, the vehicle seat does not need to be adjusted, otherwise, the vehicle seat needs to be adjusted.
5. The car seat self-balancing method according to claim 1, characterized in that: the method for acquiring the seat adjusting signal based on the inclination angle signal by the vehicle-mounted controller comprises the following steps,
the vehicle-mounted controller analyzes the inclination angle signal into a transverse inclination angle signal X and a longitudinal inclination angle signal Y;
acquiring a telescopic adjusting signal for driving an electric hydraulic stay bar connected to the lower end of the seat to stretch and retract based on the transverse inclination angle signal X and the longitudinal inclination angle signal Y,
each electric hydraulic stay bar completes the stretching based on the stretching adjusting signal, and the angle adjustment of the seat is realized.
6. The utility model provides a car seat of self-balancing, includes the automobile body floor, the installation is by the seat on the automobile body floor, the seat includes lower base (1) that is used for connecting the automobile body floor and install in last seat (2) on lower base (1), its characterized in that: an installation cavity is processed between the lower base (1) and the upper seat (2), an angle monitoring unit used for monitoring the inclination angle of the seat relative to the horizontal plane and a motion execution unit used for driving and adjusting the seat to be parallel relative to the horizontal plane are arranged in the installation cavity, and the angle monitoring unit and the motion execution unit are electrically connected with a vehicle-mounted controller.
7. The self-balancing car seat of claim 6, wherein: the angle monitoring unit comprises two gravity sensors (3), the two gravity sensors (3) are orthogonally arranged on the upper seat (2), and the centers of the two gravity sensors (3) are vertically and symmetrically arranged relative to the center of the upper seat (2).
8. The self-balancing car seat of claim 6, wherein: the movement execution unit comprises four electric hydraulic support rods (4), one end of each electric hydraulic support rod (4) is connected with the lower end face of the upper seat (2) through a ball hinge, and the other end of each electric hydraulic support rod is connected with the lower end face of the lower base (1) through a ball hinge.
9. The self-balancing car seat according to claim 8, wherein: the symmetric centers of the four electric hydraulic support rods (4) are superposed with the symmetric center of the upper seat (2).
10. The self-balancing car seat of claim 6, wherein: the installation cavity is internally provided with a seat controller which is used for converting an angle signal input by the angle monitoring unit into a linear signal output to the movement execution unit, and the angle monitoring unit and the movement execution unit are electrically connected with the seat controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110514822.1A CN113147522A (en) | 2021-05-10 | 2021-05-10 | Self-balancing method for automobile seat and self-balancing automobile seat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110514822.1A CN113147522A (en) | 2021-05-10 | 2021-05-10 | Self-balancing method for automobile seat and self-balancing automobile seat |
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| CN113147522A true CN113147522A (en) | 2021-07-23 |
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Cited By (1)
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Application publication date: 20210723 |