1. An automatic bed system that splices into of car seat, its characterized in that, this system includes:

the human-computer interaction equipment HMI is used for receiving signals from various sources and sending a seat splicing bed forming command to the seat control unit ECU according to the signals;

the seat position sensors are arranged at corresponding positions on all seats in the vehicle and used for sensing the positions of the seats and sending seat position signals to the seat control unit ECU;

the seat control unit ECU is internally provided with a seat bed forming position information memory and is used for controlling a seat position control motor to execute a command according to a received seat splicing bed forming command and a seat position signal;

and the seat position control motors are arranged at corresponding positions on all seats in the vehicle and used for controlling the corresponding seats so that all the seats are finally combined and spliced into a bed.

2. The system according to claim 1, wherein the storage device for the in-vehicle seat information comprises at least one memory unit, and one of the memory units stores optimal seat position data of different bed configurations in factory settings or corresponding seat position data in a certain mode bed state individually set by a user.

3. The system according to claim 1, wherein said sources include control panel, buttons and mobile APP applications.

4. The system according to claim 1, wherein the corresponding positions of the seats in the vehicle comprise the positions corresponding to the front and back of the seat, the upper and lower positions, the inclination angle of the seat cushion, the convex and concave waist support, the inclination angle of the backrest and the leg support of the rear seat.

5. A control method of an automatic in-vehicle seat splicing bed forming system is characterized by specifically comprising the following steps:

when a bed is needed in the vehicle, receiving signals from various sources, and sending out a seat splicing bed command according to the signals; after receiving the instruction, the corresponding positions of the seats are sequentially controlled to operate according to the set position data, the positions of the seats are adjusted to be in the positions for storage and memory according to the fed back seat position signals, and finally the seats are combined and spliced into the bed.

6. The method as claimed in claim 5, wherein the position data includes optimal seat position data of different bed configurations from factory setting and corresponding seat position data of a certain mode bed state individually set by a user.

7. The method as claimed in claim 5, wherein the signals from each source include control panel signals, key signals and signals from mobile phone APP.

8. The method for controlling the automatic splicing of the seats in the vehicle into the bed system according to claim 5, wherein the corresponding positions of the seats comprise the positions corresponding to the front and back of the seat, the upper and lower positions, the inclination angle of the seat cushion, the convex recess of the waist support, the inclination angle of the backrest and the leg support of the rear seat.

9. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of a method for controlling a bed system automatically spliced into a vehicle seat according to any one of claims 5 to 8.

10. An automobile, characterized in that the automobile comprises an automatic bed-splicing system for seats in the automobile according to any one of claims 1 to 4.

Background

As shown in fig. 1, the seat adjustment methods on the market at present include eight-direction electric adjustment of the seat (the seat is forward, the seat is backward, the seat front is raised, the seat front is lowered, the seat rear is raised, the seat rear is lowered, the backrest is forward tilted, the backrest is backward tilted), four-direction electric adjustment of the waist support (the waist support is upward, the waist support is downward, the waist support is ejected, and the waist support is retracted), and lifting and lowering of the leg support. The seat control system mainly comprises a motor, a seat position sensor, an ECU and a man-machine interaction interface (keys or virtual keys arranged on a central control screen). The control system takes the ECU as a core to be connected with each component and controls the adjustment of the seat position.

The seat memory function can be realized on the basis of the electric seat, the seat control unit can memorize and store the seat position information, when the vehicle has a plurality of common drivers, such as couples, employers, drivers and the like, the seat memory can lead the seat position to be in place in one step when the driver is replaced, and the process of repeated adjustment is omitted.

After the user adjusts to a comfortable driving position, the current position can be stored through the keys or the central control screen, the central control screen button is pressed when the user uses the automobile next time, the ECU sends out control signals (front rising, front falling, rear rising, rear falling, forward sliding, backward sliding, chair back angle increasing, chair back angle decreasing, waist support upward, waist support downward, waist support forward and waist support backward), the motor is controlled to work, a set position is reached, and the seat is restored to the position for storing and memorizing through one key. The control principle is shown in fig. 2.

Reading books in volume for ten thousand miles, along with the development of economy and the improvement of living standard, people increasingly pursue the mental satisfaction brought by travel, and one vehicle can be a vehicle for travel and also can be a bed for lying down to rest after fatigue. The vehicle is a mobile home, can lie down for full rest when tired, can rest in nature when camping, and can go to sleep when looking at stars and the moon, so that true physical and mental liberation is realized. At this time, it is necessary that the seats in the vehicle can be combined into one bed. At present, the market does not have an application of splicing the seats into the bed by one command.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides an automatic splicing bed forming system for seats in a vehicle, a control method and a vehicle, and designs a strategy and application for automatically splicing the seats in the vehicle into a bed.

The purpose of the invention can be realized by the following technical scheme:

an in-vehicle seat automatic splicing bed system, comprising:

the human-computer interaction equipment HMI is used for receiving signals from various sources and sending a seat splicing bed forming command to the seat control unit ECU according to the signals;

the seat position sensors are arranged at corresponding positions on all seats in the vehicle and used for sensing the positions of the seats and sending seat position signals to the seat control unit ECU;

the seat control unit ECU is internally provided with a seat bed forming position information memory and is used for controlling the seat position control motor to execute a command according to a received seat splicing bed forming command and a seat position signal;

and the seat position control motors are arranged at corresponding positions on all seats in the vehicle and used for controlling the corresponding seats so that all the seats are finally combined and spliced into a bed.

Furthermore, the seat in-bed position information memory is internally provided with factory-set optimal seat position data in different forms for bed formation, and can store the seat position data corresponding to a certain mode bed state which is set by a user in a personalized manner.

Further, the signals from various sources include control panel signals, key signals and signals from mobile phone APP applications.

Furthermore, the corresponding positions of the seats in the vehicle comprise the positions corresponding to the front and back, the upper and lower positions, the inclination angle of the seat cushion, the convex and concave waist support, the inclination angle of the backrest and the leg supports of the rear seat.

The invention also provides a control method of the automatic in-vehicle seat splicing bed forming system, which is characterized by comprising the following steps:

when a bed is needed in the vehicle, receiving signals from various sources, and sending out a seat splicing bed command according to the signals; after receiving the instruction, the corresponding positions of the seats are sequentially controlled to operate according to the set position data, the positions of the seats are adjusted to be in the positions for storage and memory according to the fed back seat position signals, and finally the seats are combined and spliced into the bed.

Furthermore, the seat in-bed position information memory is internally provided with factory-set optimal seat position data in different forms for bed formation, and can store the seat position data corresponding to a certain mode bed state which is set by a user in a personalized manner.

Further, the signals from various sources include control panel signals, key signals and signals from mobile phone APP applications.

Furthermore, the seat position control motor and the seat position sensor are arranged at corresponding positions on each seat in the vehicle, including positions corresponding to the front and back of the seat, the upper and lower positions, the seat cushion inclination angle, the waist support convex-concave position, the backrest inclination angle and the rear seat leg support.

The invention also relates to a computer-readable storage medium, which stores a computer program, wherein the computer program is executed by a processor to implement the steps of the control method based on the automatic splicing of the in-vehicle seats into the bed system.

The invention also provides an automobile which comprises the automatic splicing bed forming system for the seats in the automobile.

Compared with the prior art, the invention has the following advantages:

1. by utilizing intelligent electronic and software technologies, the seats are automatically spliced into a bed according to a command without being adjusted by one seat, thereby bringing great convenience to users.

2. The way that a plurality of seats are spliced into a bed can meet the requirements of users on individuation and different use scenes, as shown in figures 12, 13, 14, 15 and 16.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a prior art powered adjustment of a seat;

FIG. 2 is a schematic diagram of the seat position adjustment, memory and recovery operation in the prior art;

FIG. 3 is a schematic view of the driver seat and rear seat adjustment motors in an embodiment of the present invention;

FIG. 4 is a schematic view of a front passenger seat adjustment motor in an embodiment of the present invention;

FIG. 5 is a schematic view of the position of the driver's seat and the rear seat and the position sensors for each part in the embodiment of the present invention;

FIG. 6 is a schematic view of position sensors for various portions of the passenger seat according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a control system for automatically splicing seats into a bed according to an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating the control principle of the automatic splicing of the seats into the bed according to the embodiment of the present invention;

FIG. 9 is a flow chart of a closed-loop control process for automatically splicing seats into a bed according to an embodiment of the present invention;

FIG. 10 is a schematic diagram illustrating the personalized setting principle of the automatic splicing of the seats into the bed according to the embodiment of the invention;

FIG. 11 is a flow chart of personalized setting for automatic splicing of seats into a bed according to an embodiment of the present invention;

FIG. 12 is a schematic diagram illustrating the effect of the automatic splicing of the seats into the bed mode 1 in the embodiment of the present invention;

FIG. 13 is a schematic diagram illustrating the effect of the automatic splicing of the seats into the bed mode 2 in the embodiment of the present invention;

FIG. 14 is a schematic diagram illustrating the effect of the automatic splicing of the seats into the bed mode 3 in the embodiment of the present invention;

FIG. 15 is a schematic diagram illustrating the effect of the automatic splicing of the seats into the bed mode 4 in the embodiment of the present invention;

FIG. 16 is a schematic diagram illustrating the effect of the automatic splicing of the seats into the bed mode 5 in the embodiment of the present invention;

in the figure, 1, a driver seat, 2, a rear seat, 3, a front passenger seat, 4, a front and rear driver seat moving guide rail, 5, a rear seat moving guide rail, 6, a front passenger seat moving guide rail, 7, a front driver seat moving adjusting motor, 8, a front driver seat up and down adjusting motor, 9, a rear driver seat back up and down adjusting motor, 10, a driver seat waist support adjusting motor, 11, a back seat driver seat inclination adjusting motor, 12, a rear seat leg support lifting and lowering adjusting motor, 13, a rear seat moving adjusting motor, 14, a rear seat up and down adjusting motor, 15, a rear seat back inclination adjusting motor, 16, a front passenger seat moving motor, 17, a front passenger seat up and down adjusting motor, 18, a rear passenger seat up and down adjusting motor, 19, a rear passenger seat waist support adjusting motor, 20. a front and rear passenger seat back tilt angle adjusting motor 21, a front and rear passenger seat position sensor 22, a front passenger seat top and bottom position sensor 23, a rear passenger seat top and bottom position sensor 24, a front passenger seat waist support position sensor 25, a front passenger seat tilt angle position sensor 26, a rear passenger seat leg support position sensor 27, a rear passenger seat front and rear movement position sensor 28, a rear passenger seat top and bottom position sensor 29, a rear passenger seat tilt angle position sensor 30, a front passenger seat front and rear movement position sensor 31, a front passenger seat front top and bottom position sensor 32, a rear passenger seat top and bottom position sensor 33, a front passenger seat waist support position sensor 34, a front passenger seat back tilt angle position sensor 35, a human-computer interaction HMI 36, a seat control unit, 37. when the seat is in bed, the position of each part of the seat memorizes an information storage area.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to 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, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention has the innovation points that:

and designing an automatic splicing bed control strategy. The seat position information when the seats are spliced into a bed is stored in the electronic control unit ECU of the seat, when people need a bed, the human-computer interaction equipment can send out a command, the electronic control unit ECU of the seat receives the command, the motors are controlled to operate according to a set sequence, the position of the seat is adjusted to the position memorized and memorized by the electronic control unit of the seat according to a seat position signal fed back by the seat position sensor, and the bed is formed conveniently and quickly. As shown in fig. 12, 13, 14, 15, 16, the front and rear seats are spliced to form a flat bed.

The functions are realized, and the following defects exist in the conventional vehicle.

1. For cost reasons, the seat 8 and the waist support 4 are electrically adjusted basically only by the driver seat and the front passenger seat, and the rear seat does not have the function. The motor is arranged on the rear row of seats to adjust the forward direction of the seats, the backward direction of the seats, the integral lifting of the seats, the integral lowering of the seats, the forward inclination of the backrest and the backward direction of the backrest.

2. The back row seat can be provided with a leg support, a motor for controlling the leg support to be lifted and put down and a leg support position sensor.

3. The rear row seats are provided with guide rails for supporting movement like the front row seats, so that the rear row seats can move back and forth along the advancing direction of the vehicle and are spliced with the front row seats to form a bed.

4. The rear seat is provided with a seat position sensor for sensing the position of the rear seat in the vehicle traveling direction, the seat height and the backrest inclination angle.

5. The guide rails under the front row seats (the driving seat and the front passenger seat) are extended, so that the seats can move back and forth fully along the advancing direction of the vehicle, and the seats and the rear row seats are spliced into a bed.

6. The human-computer interaction device is provided with a one-key bed forming command button, receives a seat splicing bed forming command sent by a user, and can adopt a mode of but not limited to central control touch screen input, key input and a mode of receiving the command sent by a mobile phone APP application by the human-computer interaction device, information is interacted between the mobile phone and the vehicle human-computer interaction device through wireless communication, and the human-computer interaction device transmits the command to the seat control unit through an appointed communication protocol.

As shown in fig. 3, 4, 5 and 6, fig. 3 is a schematic view of the adjustment motors for the driver seat and the rear seat, and the front and back, the up and down, the inclination angle of the seat cushion, the convex recess of the waist support, the inclination angle of the backrest and the leg support of the rear seat are all adjusted by the rotation of the motors.

Fig. 4 is a schematic view of a passenger seat adjustment motor.

Fig. 5 is a schematic view of the driver seat and the rear seat position and the position sensors of each part. Each motor needs to be equipped with a hall sensor, which can measure the motor external rotation shaft and transmit a pulse signal to the seat control unit 36. The seat control unit 36 can obtain the motor rotation information related to the pulse signal, that is, the current position information of the seat, by counting the pulse signal.

Fig. 6 is a schematic view of a position sensor for each portion of the passenger seat.

Position adjusting motors are arranged on the driving seat, the front passenger seat and the rear row of seats, and each motor is provided with a Hall sensor for measuring the position of the seat and the position information of each part.

In the state of the seat, the backrest of the seat (1, 2, 3) is used for supporting the back of a human body and can be inclined or folded backwards by 90 degrees, and the front row and the rear row of seats are spliced together to form a bed.

The driving seat 1 is arranged on a guide rail 4, the two guide rails are arranged side by side, the two sides of the seat are respectively fixed on the two guide rails along the advancing direction of the automobile, and the guide rails are fixedly connected on the floor of the automobile.

The front passenger seat 3 is arranged on a guide rail 6, the two guide rails are arranged side by side, the two sides of the seat are respectively fixed on the two guide rails along the advancing direction of the automobile, and the guide rails are fixedly connected on the floor of the automobile.

The rear row seat 2 is arranged on a guide rail 5, the two guide rails are arranged side by side, the two sides of the seat are respectively fixed on the two guide rails along the advancing direction of the automobile, and the guide rails are fixedly connected on the floor of the automobile.

The seat can move back and forth on the guide rail along the guide rail in the opposite direction of the advancing direction of the automobile, and the guide rail is long enough, so that the seat can move back and forth for a sufficient distance, and a sufficient space is ensured for accommodating the seat to be spliced into a bed.

As shown in fig. 7, the automatic seat splicing bed control system comprises a seat position adjusting motor, a seat position sensor, a seat control unit and a human-machine interaction HMI device, and a storage area 37 is arranged in the seat control unit 36 for storing and memorizing the seat position when the seats are spliced into various shape beds. The human-computer interaction device 35 receives a seat splicing bed command sent by a user, and the mode may be, but is not limited to, central control touch screen input, key input, and the mode in which the human-computer interaction device receives a command sent by a mobile phone APP application. The human interaction device 35 then transmits the command to the seat control unit 36 via a conventional communication protocol, which may be, but is not limited to, CAN.

Example 1:

when leaving the factory, the best seat position data in several different forms of bed is written into the memory 37 of the seat control unit 36, including the front and rear positions of the driver seat, the front end up and down position of the driver seat, the rear end up and down position of the driver seat, the inclination angle position of the back of the driver seat, the waist support position of the driver seat, the front and rear positions of the front and rear seats of the front passenger seat, the rear end up and down position of the rear passenger seat, the inclination angle position of the back of the front passenger seat, the waist support position of the front passenger seat, the leg support position of the rear seat, the front and rear positions of the rear seat, the integral up and down position of the rear seat and the inclination angle position of the back of the rear seat. The space comfort and the smoothness of the bed after the seat is spliced into the bed are ensured.

Fig. 8 is a schematic diagram of the closed-loop control principle of automatic seat splicing and bed forming, a user selects different one-key bed forming modes and sends a one-key bed forming command through a human-machine interaction device HMI, after receiving the command, the seat control unit orderly calculates and controls different motors to operate to set values, the set values are seat positions stored in a memory 37, the adjustment process is closed-loop control, the seat control unit reads hall sensors installed on each motor, compares the measured positions with the set positions, and controls the motors to operate according to the difference values.

FIG. 9 is a detailed control flow chart of the engine control unit, which lists 5 automatic splicing bed forming modes, wherein the 5 modes correspond to the bed forming effects of FIGS. 12, 13, 14, 15 and 16, respectively.

Fig. 12 shows the splicing mode of the mode 1 (the backrest of the front seat is laid flat backwards), the backrests of the front driver seat and the front passenger seat are inclined backwards for 90 degrees and laid flat, the backrest of the rear seat is inclined backwards for 90 degrees and laid flat towards the trunk, and the front driver seat and the front passenger seat are spliced together to form a bed, the spliced bed is large and more than two meters, and a plurality of adults can sleep comfortably.

Fig. 13, mode 2 (only the back of the front seat is laid flat backward), the backs of the front driver seat and the front passenger seat are laid flat by tilting 90 degrees backward, the back of the back seat is not changed, the spliced bed is shorter and less than two meters long, and the advantage is that the trunk can be moved without carrying luggage if the luggage is available.

Fig. 14 shows a splicing manner of the mode 3 (the front seat backrest is folded forwards), the front driver seat and the front passenger seat backrest are folded forwards (in the driving direction of the automobile) by 90 degrees and are laid flat, the rear seat backrest is inclined towards the trunk by 90 degrees and is laid flat, and the front seat backrest and the rear seat backrest are spliced together to form a bed.

The splicing mode of the patterns 4 and 15 is that on the basis of the pattern 2 in fig. 13, if the leg support is installed on the rear-row seat, the leg support can be lifted by 90 degrees to be spliced with the front-row seat together to form a bed, and on the basis of the pattern 2, the bed is lengthened by the leg support, so that the bed is relatively more comfortable.

The splicing mode of the patterns 5 and 16 is that on the basis of the pattern 3 in fig. 14, if the leg support is installed on the rear-row seat, the leg support can be lifted by 90 degrees to be spliced with the front-row seat together to form a bed, and on the basis of the pattern 3, the bed is lengthened by the leg support, so that the bed is relatively more comfortable.

In order to save cost, the driver seat waist support adjusting motor and the position sensor can be selectively not installed.

In order to save cost, a front passenger seat waist support adjusting motor and a position sensor can be selectively not installed.

In order to save cost, the integral seat up-down adjusting motor and the position sensor can be used for replacing the front end and the rear end up-down adjusting motor and the position sensor of the driver seat.

In order to save cost, the front end and the rear end of the front passenger seat can be replaced by the upper and lower adjusting motor and the position sensor of the integral seat.

In order to save cost, the rear row of seats can be selected without mounting leg supports.

The control flow of the seat control unit can receive an automatic splicing bed forming command according to the motor control in the actual configuration increasing and decreasing flow, and drives the adjusting motor according to a certain sequence, so that the state of the seat is changed into the state of the bed.

Example 2:

fig. 10 shows that if a user has a personalized demand, each seat position adjusting motor can be driven independently through the human-computer interaction device HMI, and after reaching a comfortable position that the user likes, the HMI sends a command to store the current seat position as a certain mode bed state. After the successful setting, in the seat state, referring to the working flows of fig. 8 and 9, receiving an automatic splicing bed forming command, driving the adjusting motor according to a certain sequence, and automatically splicing the seat into a favorite bed, such as a bed in a half lying state.

Fig. 11 is a control flow chart of the user setting one-key personalized automatic splicing into the bed, in which only the control step of the motor 7 is provided, and the control steps of other motors are the same, and space limitation is omitted.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and various modifications thereof can be made by those skilled in the art. Thus, certain details of the embodiments should not be construed as limiting the invention, e.g., the front driver seat headrest and the front passenger seat headrest may be manually removed or automatically folded to form a flat bed with the rear seat, or the rear seat headrest may be designed in a pillow shape, different bed-forming modes, etc. The scope of the invention is defined by the claims.