CN111251952B

CN111251952B - Seat adjusting switch, seat adjusting device, seat adjusting tactile feedback method and electronic equipment

Info

Publication number: CN111251952B
Application number: CN202010146864.XA
Authority: CN
Inventors: 韦光; 吴钧
Original assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Current assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2022-05-17
Anticipated expiration: 2040-03-05
Also published as: CN111251952A

Abstract

The invention discloses a seat adjusting switch, a seat adjusting device, a seat adjusting tactile feedback method and electronic equipment, wherein the seat adjusting switch comprises: the automobile seat motion control device comprises an actuator, pressure sensors, a switch panel and a touch feedback control unit, wherein a plurality of seat adjusting keys are arranged on the switch panel, the bottom of each seat adjusting key is provided with one pressure sensor, the actuator is arranged on one side of the switch panel, the input end of the touch feedback control unit is in communication connection with the pressure sensors, and the output end of the touch feedback control unit is in communication connection with the actuator and a seat motion execution unit of an automobile respectively. The invention simplifies the number of the keys, avoids the operation complexity caused by excessive number of the keys, is beneficial to the expansion of the seat adjusting function, and when the seat adjusting function is increased or decreased, the hardware of the adjusting switch does not need to be changed, and only the software of the internal control unit of the switch needs to be changed; the touch feedback is adopted, different feedback effects are given to different keys, and the accuracy and the convenience of blind operation are ensured.

Description

Seat adjusting switch, seat adjusting device, seat adjusting tactile feedback method and electronic equipment

Technical Field

The invention relates to the technical field of automobiles, in particular to a seat adjusting switch, a seat adjusting device, a seat adjusting tactile feedback method and electronic equipment.

Background

The Y-direction distance from the front door armrest to the H point (cross point) of the front seat of the automobile is influenced by the use comfort of the armrest, the Y-direction distance from the front door armrest to the lower door panel of the front door is not too large or too small, the Y-direction distance from the front door armrest to the lower door panel of the front door has the requirement of side collision safety and is not less than a certain value, and therefore the Y-direction distance from the lower door panel of the front door to the H point of the front seat is limited within a certain range. For a typical electrically adjustable seat, this distance is mainly composed of three parts: seat width, electrically controlled switch thickness, electrically controlled switch's manual operation space. The seat is required to be as wide as possible in riding comfort, the manual operation space of the electric adjusting switch is required to be as large as possible in operation convenience, and the thickness of the electric adjusting switch is required to be as small as possible, namely the electric adjusting switch is required to be thinned as possible.

Additionally, the human-computer interaction design has become a core element of automobile development and innovation, and the control mode of the automobile is developed from simple button control to control of touch, voice, gesture and the like, such as a central control screen. The seat adjusting switch needs to be converted from a traditional physical switch to a virtual key, meanwhile, the particularity of the seat adjusting switch needs to be noticed, namely blind operation is needed during adjustment, and the central control screen adopts a touch control mode, so that the blind operation is not needed due to the fact that the number of keys on the screen is large, the keys and the screen surface are flat, and the seat adjusting switch is not suitable for being operated in a blind mode.

Disclosure of Invention

In view of the above, it is desirable to provide a seat adjustment switch, a seat adjustment device, a seat adjustment tactile feedback method, and an electronic apparatus.

The invention provides a seat adjusting switch, comprising: the automobile seat motion control system comprises an actuator, a pressure sensor, a switch panel and a tactile feedback control unit, wherein a plurality of seat adjusting keys are arranged on the switch panel, the pressure sensor is arranged at the bottom of each seat adjusting key, the actuator is arranged on one side of the switch panel, the input end of the tactile feedback control unit is in communication connection with the pressure sensor, and the output end of the tactile feedback control unit is in communication connection with the actuator and a seat motion execution unit of an automobile respectively;

the haptic feedback control unit performs the following operations:

determining a pressed seat adjusting key according to the pressure signal of the pressure sensor, and acquiring a seat adjusting instruction and a corresponding feedback signal corresponding to the pressed seat adjusting key;

controlling the actuator to form haptic excitation feedback indicated by the feedback signal, the haptic excitation feedback being a waveform signal, the amplitude, and/or frequency of the waveform signal being determined from the feedback signal;

sending the seat adjustment instruction to the seat motion execution unit if the seat adjustment instruction is a seat component adjustment type.

Furthermore, concave-convex characteristics are arranged on the seat adjusting keys, and the concave-convex characteristics of each seat adjusting key are different from those of other seat adjusting keys.

Further, the seat adjustment button includes: a function switch key, an up adjustment key, a down adjustment key, a forward adjustment key, and/or a backward adjustment key, wherein:

the seat adjusting instruction corresponding to the function switching key is seat adjusting function switching, and the concave-convex characteristic of the function switching key is that the key surface is concave inwards;

the seat adjusting instruction corresponding to the upward adjusting key is the upward adjustment of the seat component, and the concave-convex characteristic of the upward adjusting key is that a first area on the surface of the key protrudes outwards;

the seat adjusting instruction corresponding to the downward adjusting key is that the seat part is adjusted downwards, and the concave-convex characteristic of the downward adjusting key is that a second area on the surface of the key protrudes outwards;

the seat adjusting instruction corresponding to the forward adjusting key is the forward adjustment of the seat component, and the concave-convex characteristic of the forward adjusting key is that a third area on the surface of the key protrudes outwards;

the seat adjusting instruction corresponding to the backward adjusting key is that the seat part is adjusted backward, and the concave-convex characteristic of the backward adjusting key is that a fourth area on the surface of the key protrudes outwards;

wherein the first region, the second region, the third region, and the fourth region are distinguished from each other.

Still further, the seat adjusting keys are virtual keys arranged on the switch panel.

The invention provides a seat adjusting device, which comprises the seat adjusting switch and a seat movement executing unit for controlling seat adjustment, wherein the tactile feedback control unit of the seat adjusting switch is in communication connection with the seat movement executing unit.

Further, the control system also comprises a central control screen which is in communication connection with the tactile feedback control unit.

The invention discloses a seat regulation tactile feedback method, which comprises the following steps:

detecting a pressed event of a seat adjusting key, and acquiring a seat adjusting instruction corresponding to the pressed seat adjusting key and a corresponding feedback signal;

controlling an actuator at the bottom of a pressed seat adjustment key to form tactile excitation feedback indicated by the feedback signal, wherein the tactile excitation feedback is a waveform signal, and the amplitude and/or frequency of the waveform signal are determined according to the feedback signal;

and if the seat adjusting instruction is of a seat component adjusting type, sending the seat adjusting instruction to a seat movement execution unit.

Further, the seat adjustment keys include a function switching key, an upward adjustment key, a downward adjustment key, a forward adjustment key, and/or a rearward adjustment key, wherein:

the seat adjusting instruction corresponding to the function switching key is seat adjusting function switching, and the tactile excitation feedback indicated by the feedback signal corresponding to the function switching key has first frequency;

the seat adjusting instruction corresponding to the upward adjusting key is the upward adjustment of the seat component, and the tactile excitation feedback indicated by the feedback signal corresponding to the upward adjusting key has a second frequency;

the seat adjusting instruction corresponding to the downward adjusting key is that the seat part is adjusted downwards, and the tactile excitation feedback indicated by the feedback signal corresponding to the downward adjusting key has a second frequency;

the seat adjusting instruction corresponding to the forward adjusting key is the forward adjustment of the seat component, and the tactile excitation feedback indicated by the feedback signal corresponding to the forward adjusting key has a third frequency;

the seat adjusting instruction corresponding to the backward adjusting key is that the seat part is adjusted backward, and the tactile excitation feedback indicated by the feedback signal corresponding to the backward adjusting key has a third frequency;

wherein the first frequency, the second frequency, and the third frequency are different from each other.

Further:

the magnitude of the tactile excitation feedback indicated by the feedback signal corresponding to the function switch corresponds to the switched seat adjustment function;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the upward adjustment key changes with a first change trend;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the downward adjustment key changes with a second change trend;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the forward adjustment key changes with a third trend of change;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the backward adjustment key changes with a fourth trend of change;

wherein the first trend is different from the second trend, and the third trend is different from the fourth trend.

Still further, still include:

acquiring a central control screen control instruction and/or a voice control instruction corresponding to the pressed seat adjusting key;

and sending the central control screen control instruction to a central control screen and/or sending the voice control instruction to a voice device.

The invention provides a seat adjustment haptic feedback electronic device, comprising:

at least one processor; and the number of the first and second groups,

a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,

the memory stores instructions executable by the one processor to cause the at least one processor to:

Further:

Still further, the processor is further capable of:

The invention adopts various measures to improve the accuracy and the convenience of blind operation of adjusting the seat by adopting the keys, comprising the following steps: the number of the keys is reduced, the operation complexity caused by excessive number of the keys is avoided, the expansion of the seat adjusting function is facilitated, and when the seat adjusting function is increased or decreased, the hardware of the adjusting switch does not need to be changed, and only the software of the internal control unit of the switch needs to be changed; the key has concave-convex characteristics and individual characteristics, and the key function is easy to sense after a finger contacts the key; a pressure threshold value is set, so that misoperation is effectively avoided; the touch feedback is adopted, different feedback effects are given to different keys, the man-machine interaction can be increased, and the accuracy and the convenience of blind operation are ensured. Simultaneously, adopt virtual button to replace traditional physics button, can effectively reduce the occupation space of physics button, simultaneously, furtherly, accuse screen display shows and voice prompt in combining increases vision and hearing feedback, and the user can know current function of adjusting better, makes the operation more convenient.

Drawings

Fig. 1 is a schematic structural diagram of a seat adjustment switch according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a seat adjusting device according to an embodiment of the present invention;

FIG. 3 is a schematic view of a switch panel and a seat adjustment button of a seat adjustment switch according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a haptic feedback signal of a seat adjustment switch in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of a seat adjusting apparatus according to another embodiment of the present invention;

FIG. 6 is a seat adjustment interface of a central control screen according to another embodiment of the present invention;

FIG. 7 is a flowchart illustrating a method of adjusting a tactile feedback for a seat according to the present invention;

FIG. 8 is a flowchart illustrating a method for adjusting the tactile feedback of a seat without a center control screen according to a preferred embodiment of the present invention;

FIG. 9 is a flowchart illustrating a method for providing a center screen seat adjustment tactile feedback in accordance with a preferred embodiment of the present invention;

fig. 10 is a schematic diagram of a hardware configuration of a chair-adjusting haptic feedback electronic device according to the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples.

Fig. 1 is a schematic structural diagram of a seat adjustment switch according to the present invention, which includes: the automobile seat control system comprises an actuator 6, a pressure sensor 7, a switch panel 9 and a tactile feedback control unit 13, wherein a plurality of seat adjusting keys 8 are arranged on the switch panel 9, the pressure sensor 7 is arranged at the bottom of each seat adjusting key 8, the actuator 6 is arranged on one side of the switch panel 9, the input end of the tactile feedback control unit 13 is in communication connection with the pressure sensor 7, and the output end of the tactile feedback control unit 13 is in communication connection with the actuator 6 and a seat movement execution unit of an automobile respectively;

the haptic feedback control unit 13 performs the following operations:

determining a pressed seat adjusting key 8 according to the pressure signal of the pressure sensor 7, and acquiring a seat adjusting instruction and a corresponding feedback signal corresponding to the pressed seat adjusting key 8;

controlling the actuator 6 to form a haptic excitation feedback indicated by the feedback signal, the haptic excitation feedback being a waveform signal, the amplitude, and/or frequency of the waveform signal being determined from the feedback signal;

if the seat adjustment instruction is of a seat component adjustment type, sending the seat adjustment instruction to the seat movement execution unit.

Specifically, the seat adjustment switch 2 of the present invention is provided in a haptic feedback type seat adjustment device as shown in fig. 2. The seat adjusting device comprises a seat adjusting switch 2 and a seat movement executing unit 5 for controlling the adjustment of the seat 1, wherein the tactile feedback control unit 13 of the seat adjusting switch 2 is in communication connection with the seat movement executing unit 5.

The seat motion executing unit 5 is preferably a seat motion executing motor which is in communication connection with the tactile feedback control unit 13 through the whole vehicle electronic control unit 4. And the whole vehicle electric control unit 4 transmits a corresponding seat adjusting instruction sent by the tactile feedback control unit 13 to the seat motion execution unit 5, so that the seat 1 is adjusted.

The seat adjustment switch 2 includes an actuator 6, a pressure sensor 7, a seat adjustment key 8, a switch panel 9, and a haptic feedback control unit 13. Optionally, the seat adjustment switch 2 further comprises a switch housing 11. Wherein the switch panel 9 is adhered to the switch housing 11. The switch panel 9 is provided with a plurality of seat adjusting keys 8, and one pressure sensor 7 is adhered below each seat adjusting key 8. An actuator 6 is adhered to the lower surface of one side of the switch panel 9. The haptic feedback control unit 13 is preferably disposed on the inner bottom surface of the switch housing 11, and the actuator 6 and the pressure sensor 7 are electrically connected to the haptic feedback control unit 13.

Optionally, the seat adjusting switch 2 further includes a wiring harness connector 12, the tactile feedback control unit 13 is connected to the wiring harness connector 12, and the wiring harness connector 12 extends out of the switch housing 11. The two sides of the switch housing 11 are preferably respectively provided with a clamping structure 10 for clamping the seat adjusting switch 2 on the side plate of the seat 1. The harness connector 12 is connected to a corresponding harness connector of a seat harness on the seat 1.

When a user presses the seat adjusting key 8, the pressure sensor 7 below the seat adjusting key 8 senses pressure change and outputs a corresponding pressure signal to the tactile feedback control unit 13, the tactile feedback control unit 13 determines the pressed seat adjusting key 8 according to the pressure signal, the tactile feedback control unit 13 controls the actuator to form tactile excitation feedback, the tactile excitation feedback is a waveform signal, and the amplitude and/or frequency of the waveform signal are determined according to the feedback signal. Therefore, when the user presses different seat adjustment keys 8, the actuator 6 will generate waveform signals with different amplitudes and/or frequencies as shown in fig. 4, so that the user can clearly distinguish the feeling of pressing each seat adjustment key 8 with a finger, and thus know the current state of the seat adjustment function (i.e., what kind of seat function the current state is adjusted). Meanwhile, if the seat adjustment command is of a seat component adjustment type, sending a corresponding seat adjustment command to the seat motion execution unit. For example, a seat adjustment instruction is sent to the whole vehicle electronic control unit 4, and then the whole vehicle electronic control unit 4 transmits the seat adjustment instruction to the seat movement execution unit 5, so that the seat 1 is adjusted. At the same time, the user can select the desired position,

in particular, the actuator 6 is a haptic feedback actuator.

Optionally, the actuator 6 is an ERM rotating eccentric mass actuator, an LRA linear resonance actuator, a piezoelectric actuator or an EAP electroactive polymer actuator.

In the present invention, the actuator 6 is provided on one side lower surface of the switch panel 9, and it is not necessary to provide the actuator 6 under all the seat adjusting keys 8. By generating different tactile actuation feedback, a distinction of different seat adjustment keys 8 is achieved.

The invention adopts various measures to improve the accuracy and the convenience of blind operation of adjusting the seat by adopting the keys, comprising the following steps: the number of the keys is reduced, the operation complexity caused by excessive number of the keys is avoided, the expansion of the seat adjusting function is facilitated, and when the seat adjusting function is increased or decreased, the hardware of the adjusting switch does not need to be changed, and only the software of the internal control unit of the switch needs to be changed; the touch feedback is adopted, different feedback effects are given to different keys, the man-machine interaction can be increased, and the accuracy and the convenience of blind operation are ensured.

In one embodiment, the seat adjustment keys 8 are provided with concave-convex features, and the concave-convex features of each seat adjustment key 8 are different from those of the other seat adjustment keys 8.

Referring to fig. 3, in the present embodiment, there are 5 seat adjusting keys 8 on the switch panel 9, which are respectively a function switching key 14, an upward adjusting key 15, a downward adjusting key 17, a forward adjusting key 18, and a backward adjusting key 16. Each seat adjusting key 8 has concave-convex characteristics, so that fingers can conveniently sense the positions of the keys. Meanwhile, each seat adjusting key 8 is different from the individual characteristics of other keys, so that the function of the touched key can be easily identified when the finger touches the key.

In one embodiment, the seat adjustment button 8 includes: a function switch key 14, an up adjustment key 15, a down adjustment key 17, a forward adjustment key 18, and/or a backward adjustment key 16, wherein:

the seat adjusting instruction corresponding to the function switching key 14 is seat adjusting function switching, and the concave-convex characteristic of the function switching key 14 is that the key surface is concave inwards;

the seat adjusting instruction corresponding to the upward adjusting key 15 is the seat component upward adjustment, and the concave-convex characteristic of the upward adjusting key 15 is that a first area on the key surface protrudes outwards;

the seat adjusting instruction corresponding to the downward adjusting key 17 is that the seat component is adjusted downward, and the concave-convex characteristic of the downward adjusting key 17 is that a second area on the surface of the key protrudes outward;

the seat adjusting instruction corresponding to the forward adjusting key 18 is that the seat component is adjusted forwards, and the concave-convex characteristic of the forward adjusting key 18 is that a third area of the key surface protrudes outwards;

the seat adjusting instruction corresponding to the backward adjusting key 16 is that the seat component is adjusted backward, and the concave-convex characteristic of the backward adjusting key 16 is that a fourth area of the key surface protrudes outwards;

Optionally, the surface of the function switching key 14 is concave inward, the surfaces of the upward adjustment key 15, the downward adjustment key 17, the forward adjustment key 18, and the backward adjustment key 16 are convex outward, and meanwhile, the upper half of the surface of the upward adjustment key 15 has a horizontal convex ridge structure, the lower half of the surface of the downward adjustment key 17 has a horizontal convex ridge structure, the left half of the surface of the forward adjustment key 18 has a vertical convex ridge structure, and the right half of the surface of the backward adjustment key 16 has a vertical convex ridge structure.

In this embodiment, the function switch key 14 has a function of function selection, and when the function switch key 14 is clicked, the haptic feedback control unit 13 switches the seat adjustment function, and when the seat adjustment function is clicked once, the haptic feedback control unit 13 automatically enters the next seat adjustment function state (for example, seat height adjustment) from the current seat adjustment function state (for example, seat front-back adjustment), and can perform circular selection.

In the present embodiment, the upward adjustment key 15 and the downward adjustment key 17 have functions of adjusting the seat height, the cushion angle, the lumbar support, the headrest height, and the like, and the forward adjustment key 18 and the backward adjustment key 16 have functions of adjusting the seat front-rear position, the backrest angle, the lumbar support, and the like.

In this embodiment, please refer to fig. 4, different seat adjusting keys 8 correspond to different feedback signals, so that a user can clearly distinguish a feeling of pressing each seat adjusting key 8 with a finger, thereby obtaining a current state of the seat adjusting function (i.e., which seat function the current state is for adjusting).

Optionally, the feedback signal is specifically a waveform signal, and different waveform signals are generated by changing the amplitude and frequency of the signal.

Optionally, the function switch key 14 corresponds to a medium-frequency waveform signal, the up-adjustment key 15 and the down-adjustment key 17 correspond to a high-frequency waveform signal, when the function switch key 14 is clicked to enable the tactile feedback control unit 13 to be in a state with different seat adjustment functions, the function switch key 14 corresponds to different amplitudes of the waveform signal, the forward-adjustment key 18 and the backward-adjustment key 16 correspond to a low-frequency waveform signal, after the up-adjustment key 15 and the forward-adjustment key 18 are pressed, the amplitudes of the corresponding waveform signals are gradually reduced, and after the backward-adjustment key 16 and the down-adjustment key 17 are pressed, the amplitudes of the corresponding waveform signals are gradually increased.

In one embodiment, the seat adjustment keys 8 are virtual keys provided on the switch panel 9.

Optionally, the switch panel 9 and the seat adjusting button 8 are an integral structure, and the material of the integral structure may be a resistive or capacitive touch screen.

In the embodiment, the virtual keys are adopted to replace the traditional physical keys, so that the occupied space of the physical keys can be effectively reduced.

As shown in fig. 2, the seat adjusting device of the present invention includes the seat adjusting switch 2 and the seat movement executing unit 5 for controlling the adjustment of the seat 1, and the tactile feedback control unit 13 of the seat adjusting switch 2 is connected to the seat movement executing unit 5 in communication.

As shown in fig. 5, the seat adjusting device of the present invention includes the seat adjusting switch 2, the seat movement executing unit 5 for controlling the adjustment of the seat 1, and the central control panel 3, wherein the tactile feedback control unit 13 of the seat adjusting switch 2 is connected to the seat movement executing unit 5 and the central control panel 3 in communication.

The embodiment combines the central control screen, increases visual feedback, and enables the user to better know the current adjusted function, so that the operation is more convenient.

In this embodiment, the central control screen 3 is located in the center of the instrument panel and is connected with the seat adjusting switch 2 through a whole vehicle wiring harness.

In this embodiment, the function switch key 14 has functions of menu entry, function selection, and voice prompt, specifically, the function switch key 14 is clicked for the first time, the center control screen 3 enters the seat adjustment interface, and the function switch key 14 is clicked again, so that the tactile feedback control unit 13 switches the seat adjustment function, and simultaneously, the seat adjustment function on the center control screen 3 is switched and can be selected circularly. In addition, the function switching key 14 can also control the on and off of the voice prompt and make the central control screen 3 exit from the seat adjusting function interface.

Optionally, by double-clicking the function switching key 14, the voice prompt function of the current adjusting function can be turned on or off, and by long-pressing the function switching key 14, the central control screen 3 exits the seat adjusting interface.

In this embodiment, referring to fig. 6, the seat adjusting interface of the central control screen 3 sequentially displays corresponding seat adjusting function interfaces, which specifically include: the interface that is entered for the first time (clicking the function switch 14 for the first time) should be set to the most frequently used adjustment function, such as seat back and forth adjustment, after which (clicking the function switch 14 again) the frequently used adjustment function can be switched to the less frequently used adjustment function according to the frequency of use of the different seat adjustment functions. In any seat adjusting function interface, the central control screen 3 can be made to exit from the seat adjusting interface (the function switching key 14 is pressed for a long time).

Alternatively, the switching sequence of the different seat adjustment functions may be user-defined.

Optionally, the seat adjustment interface of the central control screen 3 displays content including:

(1) the text for the current adjustment function, such as "current: seat fore-aft adjustment ", and a graphical illustration of the current adjustment function, the corresponding arrow icon on the seat graphical representation would be highlighted or dynamically displayed;

(2) the text descriptions of the available keys of the 5 seat adjustment keys 8 on the switch panel 9, as well as the corresponding key representations, are highlighted or dynamically displayed, such that in the seat back and forth adjustment function state, only the forward adjustment key 18, the backward adjustment key 16, the function switching key 14 are available;

(3) adjusting the progress bar, wherein the color blocks on the progress bar dynamically change along with adjustment from left to right corresponding to the adjustment from small to large or from front to back;

(4) the state of the voice prompt function, when the seat adjustment function is switched, the central control screen 3 will have corresponding voice to prompt the current adjustment function, and the voice prompt function can be turned off or on at any time (double-click the function switch key 14).

Fig. 7 is a flowchart illustrating a method for adjusting a seat tactile feedback according to the present invention, which includes:

step S701, detecting that a seat adjusting key is pressed, and acquiring a seat adjusting instruction corresponding to the pressed seat adjusting key and a corresponding feedback signal;

step S702, controlling an actuator at the bottom of a pressed seat adjusting key to form tactile excitation feedback indicated by the feedback signal, wherein the tactile excitation feedback is a waveform signal, and the amplitude and/or frequency of the waveform signal are determined according to the feedback signal;

and step S703, if the seat adjusting instruction is of the seat component adjusting type, sending the seat adjusting instruction to a seat movement executing unit.

Specifically, the present invention is preferably applied to the tactile feedback control unit 13, and when the user presses the seat adjustment key 8, step S701 is triggered to acquire a corresponding seat adjustment instruction and a corresponding feedback signal. Wherein the seat adjustment key is pressed event, can be determined according to the pressure signal of the pressure sensor 7 below the seat adjustment key 8.

Then in step S702, control of the actuator 6, such as shown in fig. 1, creates haptic excitation feedback. The magnitude, and/or frequency of the haptic excitation feedback is determined from the feedback signal.

Finally, if the seat adjustment instruction is of the seat component adjustment type, step S703 sends the seat adjustment instruction to the seat motion performing unit.

Alternatively, for the seat adjustment switch 2 shown in fig. 1 and the seat adjustment device shown in fig. 2. When the seat needs to be adjusted, a finger presses one of the seat adjusting keys 8 on the switch panel 9, and the pressure sensor 7 below the pressed seat adjusting key 8 detects the pressed pressure value and transmits the pressure value to the tactile feedback control unit 13. The tactile feedback control unit 13 determines a pressure value, if the pressure value is smaller than a preset pressure threshold, the user is considered to touch the seat adjusting key 8 by mistake, and does not perform seat adjusting operation, and if the pressure value is not smaller than the preset pressure threshold, the tactile feedback control unit 13 determines that the corresponding seat adjusting key 8 is pressed, and triggers step S701, invokes a corresponding seat adjusting instruction and a corresponding feedback signal, forms a tactile excitation feedback, and transmits the tactile excitation feedback to the actuator 6, and the actuator 6 performs corresponding tactile feedback.

Wherein the seat adjustment instructions include, but are not limited to: function switching, seat component fore-and-aft adjustment, or seat component up-and-down adjustment. The seat component front-back adjustment and the seat component up-down adjustment belong to the seat component adjustment types.

In one embodiment, the seat adjustment keys include a function switch key 14, an up adjustment key 15, a down adjustment key 17, a forward adjustment key 18, and/or a rearward adjustment key 16, wherein:

the seat adjusting instruction corresponding to the function switching key 14 is seat adjusting function switching, and the tactile excitation feedback indicated by the feedback signal corresponding to the function switching key 14 has a first frequency;

the seat adjusting instruction corresponding to the upward adjusting key 15 is the seat part upward adjustment, and the tactile excitation feedback indicated by the feedback signal corresponding to the upward adjusting key 15 has a second frequency;

the seat adjusting instruction corresponding to the downward adjusting key 17 is that the seat part is adjusted downward, and the tactile excitation feedback indicated by the feedback signal corresponding to the downward adjusting key 17 has a second frequency;

the seat adjustment command corresponding to the forward adjustment key 18 is that the seat component is adjusted forward, and the tactile stimulation feedback indicated by the feedback signal corresponding to the forward adjustment key 18 has a third frequency;

the seat adjusting instruction corresponding to the backward adjusting key 16 is that the seat component is adjusted backward, and the tactile excitation feedback indicated by the feedback signal corresponding to the backward adjusting key 16 has a third frequency;

The present embodiment distinguishes different seat adjustment keys by different frequencies.

Optionally, the first frequency is an intermediate frequency, the second frequency is a low frequency, and the third frequency is a high frequency. Wherein, the function switching key 14 corresponds to a medium-frequency waveform signal, the up-adjustment key 15 and the down-adjustment key 17 correspond to a high-frequency waveform signal, and the forward-adjustment key 18 and the backward-adjustment key 16 correspond to a low-frequency waveform signal.

In one embodiment:

the magnitude of the tactile stimulation feedback indicated by the feedback signal corresponding to the function switch 14 corresponds to the switched seat adjustment function;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the upward adjustment key 15 changes with a first trend of change;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the downward adjustment key 17 changes with a second trend of change;

the magnitude of the tactile stimulation feedback indicated by the feedback signal corresponding to the forward adjustment key 18 changes with a third trend of change;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the backward adjustment key 16 changes with a fourth trend of change;

The present embodiment feeds back the corresponding function through different amplitude variations.

Optionally, the first variation trend and the third variation trend are the same and both gradually decrease, and the second variation trend and the fourth variation trend are the same and both gradually increase.

Optionally, when the function switch key 14 is clicked to enable the tactile feedback control unit 13 to be in a state of different seat adjustment functions, the function switch key 14 corresponds to different amplitudes of the waveform signals, after the upward adjustment key 15 and the forward adjustment key 18 are pressed, the amplitudes of the corresponding waveform signals gradually decrease, and after the backward adjustment key 16 and the downward adjustment key 17 are pressed, the amplitudes of the corresponding waveform signals gradually increase.

In conjunction with the foregoing example, the magnitude and frequency of the tactile stimulation feedback for each seat adjustment button 8 is different, which facilitates user differentiation.

In one embodiment, the method further comprises the following steps:

In the embodiment, the control screen display and the voice prompt are combined, the visual and auditory feedback is added, and the user can better know the current adjusted function, so that the operation is more convenient.

In the embodiment of the present invention, referring to fig. 6, the seat adjusting interface of the central control screen 3 sequentially displays corresponding seat adjusting function interfaces, specifically: the interface that is entered for the first time (clicking the function switch 14 for the first time) should be set to the most frequently used adjustment function, such as seat back and forth adjustment, after which (clicking the function switch 14 again) the frequently used adjustment function can be switched to the less frequently used adjustment function according to the frequency of use of the different seat adjustment functions. In any seat adjusting function interface, the central control screen 3 can be made to exit from the seat adjusting interface (the function switching key 14 is pressed for a long time).

(3) adjusting the progress bar, wherein the color blocks on the progress bar dynamically change along with the adjustment from small to large or from front to back correspondingly from left to right;

(4) the state of the voice prompt function, when the seat adjusting function is switched, the central control screen 3 will have corresponding voice to prompt the current adjusting function, and the voice prompt function can be turned off or on at any time (double-click the function switching key 14).

Fig. 8 is a schematic diagram of a seat adjustment tactile feedback method without a center control screen according to a preferred embodiment of the present invention, which includes:

when the seat needs to be adjusted, a finger presses one of the seat adjusting keys 8 on the switch panel 9, and the pressure sensor 7 below the pressed seat adjusting key 8 detects the pressed pressure value and transmits the pressure value to the tactile feedback control unit 13. The tactile feedback control unit 13 determines a pressure value, if the pressure value is smaller than a preset pressure threshold, the user is considered to touch the seat adjusting key 8 by mistake, and no seat adjusting operation is performed, if the pressure value is not smaller than the preset pressure threshold, the tactile feedback control unit 13 determines the type of the pressed seat adjusting key 8, if the pressed seat adjusting key 8 is the function switching key 14, the tactile feedback control unit 13 switches to the next seat adjusting function, and meanwhile, the tactile feedback control unit 13 calls a corresponding feedback signal to form a tactile excitation feedback and transmits the tactile excitation feedback to the actuator 6, and the actuator 6 performs the corresponding tactile feedback. If the pressed seat adjusting key 8 is not the function switching key 14, according to the difference of the upward adjusting key 15, the downward adjusting key 17, the forward adjusting key 18 and the backward adjusting key 16, the tactile feedback control unit 13 calls a corresponding feedback signal to form a tactile excitation feedback to be transmitted to the actuator 6, the actuator 6 performs corresponding tactile feedback, meanwhile, the tactile feedback control unit 13 transmits the type of the pressed seat adjusting key 8 to the whole vehicle electronic control unit 4, and the whole vehicle electronic control unit 4 transmits a corresponding seat adjusting instruction to the seat movement executing unit 5, thereby realizing the adjustment of the seat 1.

Fig. 9 is a schematic diagram of a seat adjustment tactile feedback method for setting a center control screen according to a preferred embodiment of the invention, which includes:

when the seat needs to be adjusted, a finger presses one of the seat adjusting keys 8 on the switch panel 9, and the pressure sensor 7 below the pressed seat adjusting key 8 detects a pressed pressure value and transmits the pressure value to the tactile feedback control unit 13. The tactile feedback control unit 13 determines a pressure value, if the pressure value is smaller than a preset pressure threshold value, the user is considered to touch the seat adjusting key 8 by mistake, the seat adjusting operation is not executed, if the pressure value is not smaller than the preset pressure threshold value, the tactile feedback control unit 13 determines the type of the pressed seat adjusting key 8, if the pressed seat adjusting key 8 is the function switching key 14, the type of the user pressing operation is determined, including the pressing duration, whether the user pressing operation is a single-click or a long-click is determined, and the interval time between two adjacent pressing operations is determined, and whether the user pressing operation is a single-click or a double-click is determined. The tactile feedback control unit 13 transmits the type of the pressing operation of the user to the central control screen 3, the central control screen 3 performs corresponding display and voice prompt according to different types of the pressing operation, meanwhile, the tactile feedback control unit 13 calls corresponding feedback signals to form tactile excitation feedback and transmits the tactile excitation feedback to the actuator 6, and the actuator 6 performs corresponding tactile feedback. If the pressed seat adjusting key 8 is not the function switching key 14, according to the difference of the upward adjusting key 15, the downward adjusting key 17, the forward adjusting key 18 and the backward adjusting key 16, the tactile feedback control unit 13 calls a corresponding feedback signal to form a tactile excitation feedback to be transmitted to the actuator 6, the actuator 6 performs corresponding tactile feedback, meanwhile, the tactile feedback control unit 13 transmits the type of the pressed seat adjusting key 8 to the whole vehicle electronic control unit 4, and the whole vehicle electronic control unit 4 transmits a corresponding seat adjusting instruction to the seat movement executing unit 5, thereby realizing the adjustment of the seat 1.

Fig. 10 is a schematic diagram of a hardware structure of a seat adjusting tactile feedback electronic device according to the present invention, including:

at least one processor 1001; and the number of the first and second groups,

a memory 1002 communicatively coupled to the at least one processor 1001; wherein the content of the first and second substances,

the memory 1002 stores instructions executable by the one processor to cause the at least one processor to:

Fig. 10 illustrates an example of one processor 1001.

The electronic device is preferably a haptic feedback control unit 13. The electronic device may further include: an input device 1003 and a display device 1004.

The processor 1001, the memory 1002, the input device 1003, and the display device 1004 may be connected by a bus or by another method, and are illustrated as being connected by a bus.

The memory 1002, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the seat adjustment haptic feedback method in the embodiments of the present application, for example, the method flow shown in fig. 6. The processor 1001 executes various functional applications and data processing, i.e., implements the seat adjustment haptic feedback method in the above-described embodiment, by executing nonvolatile software programs, instructions, and modules stored in the memory 1002.

The memory 1002 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the seat adjustment tactile feedback method, and the like. Further, the memory 1002 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory 1002 may optionally include memory remotely located from the processor 1001, and such remote memory may be connected over a network to an electronic device that performs the seat adjustment haptic feedback method. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The input device 1003 may receive input user clicks and generate signal inputs related to user settings and functional control of the seat adjustment haptic feedback method. The display device 1004 may include a display screen or the like.

The one or more modules, when stored in the memory 1002, when executed by the one or more processors 1001, perform the seat adjustment haptic feedback method of any of the method embodiments described above.

the seat adjusting instruction corresponding to the upward adjusting key 15 is the seat component upward adjustment, and the tactile excitation feedback indicated by the feedback signal corresponding to the upward adjusting key 15 has a second frequency;

In one embodiment:

the magnitude of the tactile excitation feedback indicated by the feedback signal corresponding to the up-adjustment key 15 changes with a first trend;

In one embodiment, the processor is further capable of:

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A seat adjustment switch (2), comprising: the automobile seat motion control device comprises an actuator (6), a pressure sensor (7), a switch panel (9) and a tactile feedback control unit (13), wherein a plurality of seat adjusting keys (8) are arranged on the switch panel (9), the pressure sensor (7) is arranged at the bottom of each seat adjusting key (8), the actuator (6) is arranged on one side of the switch panel (9), the input end of the tactile feedback control unit (13) is in communication connection with the pressure sensor (7), and the output end of the tactile feedback control unit (13) is in communication connection with the actuator (6) and a seat motion execution unit of an automobile respectively;

the haptic feedback control unit (13) performs the following operations:

determining a pressed seat adjusting key (8) according to the pressure signal of the pressure sensor (7), and acquiring a seat adjusting instruction corresponding to the pressed seat adjusting key (8) and a corresponding feedback signal;

controlling the actuator (6) to form a haptic excitation feedback indicated by the feedback signal, the haptic excitation feedback being a waveform signal, the amplitude, and/or frequency of the waveform signal being determined from the feedback signal;

if the seat adjustment instruction is of a seat component adjustment type, sending the seat adjustment instruction to the seat motion execution unit;

the seat adjustment key (8) comprises: a function switch key (14), an up adjustment key (15), a down adjustment key (17), a forward adjustment key (18), and/or a backward adjustment key (16), wherein:

the concave-convex characteristic of the function switching key (14) is that the key surface is concave inwards;

the concave-convex characteristic of the upward adjustment key (15) is that a first area of the key surface protrudes outwards;

the concave-convex characteristic of the downward adjustment key (17) is that a second area of the key surface protrudes outwards;

the concave-convex feature of the forward adjustment key (18) is that a third region of the key surface protrudes outward;

the backward adjustment key (16) has a concave-convex feature in which a fourth region of the key surface is convex outward;

wherein the first region, the second region, the third region, and the fourth region are distinguished from each other;

the tactile stimulus feedback indicated by the feedback signal corresponding to the function switch key (14) has a first frequency;

the tactile stimulation feedback indicated by the feedback signal corresponding to the up-adjustment key (15) has a second frequency;

the tactile stimulation feedback indicated by the feedback signal corresponding to the down adjustment key (17) has a second frequency;

the tactile stimulation feedback indicated by the feedback signal corresponding to the forward adjustment key (18) has a third frequency;

the tactile stimulation feedback indicated by the feedback signal corresponding to the back adjustment key (16) has a third frequency;

2. The seat adjustment switch (2) according to claim 1, characterized in that the seat adjustment keys (8) are provided with a relief feature, the relief feature of each seat adjustment key (8) being distinct from the other seat adjustment keys (8).

3. The seat adjustment switch (2) according to claim 1, characterized in that the seat adjustment button (8) comprises: a function switch key (14), an up adjustment key (15), a down adjustment key (17), a forward adjustment key (18), and/or a backward adjustment key (16), wherein:

the seat adjusting instruction corresponding to the function switching key (14) is seat adjusting function switching;

the seat adjusting instruction corresponding to the upward adjusting key (15) is that the seat part is adjusted upwards;

the seat adjusting instruction corresponding to the downward adjusting key (17) is that the seat part is adjusted downwards;

the seat adjusting instruction corresponding to the forward adjusting key (18) is that the seat part is adjusted forwards;

the seat adjusting instruction corresponding to the backward adjusting key (16) is that the seat part is adjusted backward.

4. The seat adjustment switch (2) according to any one of claims 1 to 3, characterized in that the seat adjustment key (8) is a virtual key provided on the switch panel (9).

5. A seat adjustment device, characterized by comprising a seat adjustment switch (2) according to any one of claims 1 to 4, and a seat movement execution unit (5) controlling the adjustment of a seat (1), the haptic feedback control unit (13) of the seat adjustment switch (2) being in communicative connection with the seat movement execution unit (5).

6. The seat adjustment apparatus of claim 5, further comprising a center control screen (3) communicatively connected to the haptic feedback control unit (13).

7. A method of seat conditioning haptic feedback, comprising:

if the seat adjusting instruction is of a seat component adjusting type, sending the seat adjusting instruction to a seat movement execution unit;

the seat adjustment keys comprise a function switch key (14), an up adjustment key (15), a down adjustment key (17), a forward adjustment key (18), and/or a backward adjustment key (16), wherein:

the tactile stimulation feedback indicated by the feedback signal corresponding to the function switching key (14) has a first frequency;

8. The seat adjustment haptic feedback method according to claim 7, characterized in that the seat adjustment keys comprise a function switching key (14), an upward adjustment key (15), a downward adjustment key (17), a forward adjustment key (18), and/or a backward adjustment key (16), wherein:

9. The method of claim 7, wherein:

the magnitude of the tactile stimulation feedback indicated by the feedback signal corresponding to the function switch (14) corresponds to the switched seat adjustment function;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the upward adjustment key (15) changes with a first change trend;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the downward adjustment key (17) changes with a second change trend;

the magnitude of the tactile stimulation feedback indicated by the feedback signal corresponding to the forward adjustment key (18) changes with a third trend of change;

the amplitude of the tactile excitation feedback indicated by the feedback signal corresponding to the backward adjustment key (16) changes with a fourth trend of change;

10. The seat conditioning haptic feedback method of any one of claims 7-9, further comprising:

11. A seat adjustment haptic feedback electronic device, comprising:

at least one processor; and the number of the first and second groups,

12. Seat adjusting tactile feedback electronic device according to claim 11, characterized in that the seat adjusting keys comprise a function switching key (14), an up adjusting key (15), a down adjusting key (17), a forward adjusting key (18), and/or a backward adjusting key (16), wherein:

13. The seat conditioning haptic feedback electronic device of claim 11, wherein:

14. The seat adjusting haptic feedback electronic device of any of claims 11-13, wherein the processor is further configured to: