Seat back table control method, system and medium, automobile seat and automobile

Abstract

The application provides a seat back table board control method, a system and a medium, an automobile seat and an automobile. The seat back table board control method of the application updates stored table board opening information according to a preset requirement when receiving an angle adjustment signal of a seat back and according to an angle change of the seat back. The table board is opened according to the table board opening information when receiving a table board opening instruction. The seat back table board control method of the application can adjust the table board opening information according to the adjustment of the back angle, so that the table board can be kept in a required state during use, and the use effect of the table board can be ensured.

Description

Technical Field

[0001] This invention relates to the field of automotive parts technology, and in particular to a method for controlling a seat backrest table. This invention also relates to a seat backrest table control system, an automotive seat using the system, an automotive vehicle having the automotive seat, and a computer-readable medium. Background Technology

[0002] As cars become increasingly common, people's demands for them have gone beyond simply being a means of transportation; they now require greater comfort and versatility in their functions. For example, to facilitate passengers placing items or working during their journeys, some cars have small tables installed on the back of the seatbacks. These tables are closed and rest against the back of the seatback when not in use, and can be flipped open relative to the seatback when needed.

[0003] Currently, in car models equipped with small tables, the tables are generally connected to the back of the car seat via hinges or a four-bar linkage, and the opening angle of the table relative to the backrest is fixed. Therefore, when using existing tables, their angle relative to the ground is related to the angle of the backrest. When the backrest angle is not the designed angle, the table will not be in the required state (generally a horizontal state) with the ground, thus affecting the usability of the table. Summary of the Invention

[0004] In view of this, the present invention aims to provide a method for controlling the backrest table of a seat, so as to keep the table in the required state during use and thus ensure the effectiveness of the table.

[0005] To achieve the above objectives, the technical solution of the present invention is implemented as follows:

[0006] A method for controlling a seat backrest table, the method comprising:

[0007] When a signal for adjusting the seat back angle is received, the stored table opening information is updated according to the change in the seat back angle and the preset requirements.

[0008] When a tabletop opening command is received, the tabletop is opened according to the tabletop opening information.

[0009] Furthermore, the control method also includes:

[0010] When a signal indicating that the seat back angle has been adjusted is received, and the table is in the open position, the stored table opening information is updated according to the preset requirements based on the change in the seat back angle.

[0011] Furthermore, the control method also includes:

[0012] After updating the stored desktop opening information, when a desktop collapse instruction is received, the desktop is collapsed according to the desktop opening information stored before the update.

[0013] Furthermore, the storage area for the tabletop opening information before the update is different from that after the update.

[0014] Furthermore, the information regarding whether the tabletop is in an open or closed state originates from the storage area for tabletop open / closed state information; the storage area for tabletop open / closed state information is different from the storage area for tabletop open information before and after the update.

[0015] Furthermore, the updated table opening information directly replaces the information in the storage area of ​​the previous table opening information, and the change in the angle of the seat back is stored in a temporary storage area.

[0016] Furthermore, the control method also includes:

[0017] When a signal indicating that the seat back angle has been adjusted is received, and the table is in a stowed state, the stored table opening information is updated according to the preset requirements based on the change in the seat back angle.

[0018] When a command to activate the desktop is received, the desktop is activated according to the updated desktop activation information.

[0019] Furthermore, the control method also includes:

[0020] When the table is in the open state and a table retraction command is received, the table is retracted according to the table opening information corresponding to the current state of the table.

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] The seat backrest table control method of the present invention updates the stored table opening information according to the change in the seat backrest angle after the seat backrest angle is adjusted. This allows the table opening state to be adjusted according to the adjustment of the seat backrest angle, thereby maintaining the table in the required state relative to the ground when in use, thus ensuring the table's performance.

[0023] This invention also proposes a seat backrest table control system, which includes:

[0024] The receiving module is used to receive the angle adjustment signal of the seat back, as well as the table opening command and the table retraction command;

[0025] A storage module is provided for storing information about the tabletop being opened, as well as information about the tabletop being opened / closed.

[0026] The update module is used to update the stored table opening information according to preset requirements based on the change in the angle of the seat back when a seat back angle adjustment signal is received.

[0027] A control module is used to control the table to open according to the table opening information when a table opening command is received.

[0028] Furthermore, the storage module has a first storage area and a second storage area, both of which are fixed storage areas;

[0029] Both the first storage area and the second storage area are used to store desktop opening information, and the update module updates the first storage area and the second storage area.

[0030] Furthermore, the storage module has a first storage area and a second storage area, the first storage area being a fixed storage area and the second storage area being a temporary storage area;

[0031] The first storage area is used to store desktop opening information, and the update module updates the first storage area. The second storage area is used to store the desktop opening information before the first storage area was updated; or...

[0032] The first storage area is used to store table opening information, and the second storage area is used to store changes in the angle of the seat back. The update module updates the table opening information stored in the first storage area according to preset requirements based on the changes in the angle of the seat back stored in the second storage area.

[0033] Furthermore, the storage module has a third storage area for storing the tabletop's open / closed status information, and this third storage area is different from the storage area in the storage module used to store the tabletop's open information.

[0034] Furthermore, the control system also includes:

[0035] Tabletop control buttons, which are used to generate commands to open and close the tabletop;

[0036] A switching module is used to reverse the electrodes of the electric tabletop adjuster that drives the tabletop to move after the tabletop is opened or closed.

[0037] The seat backrest table control system of the present invention can adjust the opening state of the table according to the adjustment of the seat backrest angle, so as to keep the table in the required state relative to the ground when in use, ensuring the table's performance and practicality.

[0038] The present invention further proposes a non-transitory computer-readable medium containing computer-executable instructions, which, when executed by a processor, cause the processor to perform the seat back table control method described above.

[0039] Furthermore, the present invention also proposes a car seat in which a table is provided on the back of the seat back, the car seat is provided with an electric backrest adjuster for adjusting the angle of the seat back, the seat back is provided with an electric table adjuster for driving the table to open or close, and the car seat is equipped with the aforementioned seat back table control system.

[0040] In addition, the present invention also proposes an automobile having the above-described car seats.

[0041] The advantages of the automobile and automobile seat of the present invention compared to the prior art are the same as those of the aforementioned seat back table control system, and will not be repeated here. Attached Figure Description

[0042] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0043] Figure 1 This is a schematic diagram of the arrangement of the tabletop on the backrest according to Embodiment 1 of the present invention (open state);

[0044] Figure 2 This is a schematic diagram of the arrangement of the tabletop on the backrest according to Embodiment 1 of the present invention (folded up state);

[0045] Figure 3 This is a flowchart of the seat backrest table control method according to Embodiment 1 of the present invention;

[0046] Figure 4 This is a schematic diagram of the structure of the seat back table control system according to Embodiment 2 of the present invention;

[0047] Explanation of reference numerals in the attached figures:

[0048] 1. Seat cushion; 2. Seat backrest; 3. Table; 4. Table control buttons; 5. Backrest electric angle adjuster; 6. Table electric angle adjuster; 7. Receiving module; 8. Storage module; 801. First storage area; 802. Second storage area; 803. Third storage area; 9. Update module; 10. Control module; 11. Switching module; 12. Seat ECU. Detailed Implementation

[0049] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0050] In the description of this invention, it should be noted that the use of terms such as "upper," "lower," "inner," and "outer," indicating orientation or positional relationship, is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the use of terms such as "first" and "second" is also for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0051] Furthermore, in the description of this invention, unless otherwise explicitly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention in light of the specific circumstances.

[0052] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0053] Example 1

[0054] This embodiment relates to a method for controlling a seat back table, which is used to control the opening of the table 3 installed on the back of the seat back 2, so as to keep the table 3 in the required state when in use and ensure the effectiveness of the table.

[0055] The aforementioned required state generally means that the tabletop 3 is horizontal relative to the ground after it is opened. Furthermore, referring to... Figure 1 and Figure 2 As shown, as an example of a car seat equipped with a table 3, the seat back 2 is rotatably connected to the seat cushion 1, and the table 3 is hinged to the back of the seat back 2. Furthermore, the car seat is equipped with a backrest electric adjuster 5 for adjusting the angle of the seat back 2, and a table electric adjuster 6 is also provided on the seat back 2 for opening or closing the table 3.

[0056] The rotatable arrangement of the seat back 2 on the seat cushion 1 and the hinge for the table 3 on the seat back 2 are both based on existing automotive seat structures. Similarly, the electric backrest adjuster 5 for adjusting the angle of the seat back 2 and the electric table adjuster 6 for opening or closing the table 3 are also based on existing automotive seat electric adjusters.

[0057] Furthermore, in order to adjust the angle of the seat back 2 and to control the opening and closing of the table 3, as a preferred embodiment, Hall sensors can be arranged at the positions of the electric backrest adjuster 5 and the electric table adjuster 6, respectively. The Hall sensors are generally integrated into the motor of the electric adjuster to detect the angle information of the seat back 2 and the table 3, respectively.

[0058] Based on the above introduction, and referring to Figure 3 As shown, the overall method for controlling the seat back table in this embodiment includes the following steps:

[0059] Step S1: When the angle adjustment signal of the seat back 2 is received, the stored table opening information is updated according to the preset requirements based on the angle change of the seat back 2.

[0060] The seat backrest 2 has a factory-preset angle, which is stored in the seat ECU12 (Electronic Control Unit). When the seat backrest 2 is adjusted relative to the preset angle, the Hall sensor at the electric backrest adjuster 5 outputs a number of pulses. The seat ECU12 reads the number of pulses and determines the direction of the seat backrest 2 angle adjustment based on the pulse waveform. It can also convert the total number of pulses read into an angle, which is the change in the angle of the seat backrest 2.

[0061] The adjusted angle of the seat backrest 2 is obtained by adding or subtracting the change in seat backrest angle (depending on whether the seat backrest 2 is adjusted forward or backward) from the preset angle of the seat backrest. Furthermore, in this embodiment, the angle adjustment signal of the seat backrest 2 can be obtained from the seat ECU 12. For example, when the angle adjustment switch of the seat backrest 2 is operated, causing the electric backrest adjuster 5 to operate, the signal in the seat ECU 12 indicating the adjustment state of the seat backrest 2 changes to a high level or a low level. Through this signal change, the seat backrest table control system can identify that the angle of the seat backrest 2 has been adjusted, and the seat ECU 12 can also transmit the angle change of the seat backrest 2 to the seat backrest table control system.

[0062] In this implementation, it should be noted that the tabletop opening information stored above typically refers to the opening angle of tabletop 3. However, besides the opening angle, the tabletop opening information can also be the number of pulses corresponding to the angle, or other information values ​​that can express the degree of tabletop 3 flipping. Here, we will specifically use the opening angle of tabletop 3 as the tabletop opening information for explanation.

[0063] Based on the change in the angle of the seat back 2, the updated table opening information can be obtained according to preset requirements. At this time, as described above in the description of the required state of the table 3, the preset requirement of this embodiment is that after the angle of the seat back 2 is adjusted, when the table 3 is opened again, the table 3 can still be in a horizontal state.

[0064] Therefore, in specific calculations, by combining the complementary relationship between the seat back angle 2 and the tabletop angle 3, the opening angle of the tabletop 3 can be obtained after adjusting the seat back angle 2, ensuring that the tabletop 3 is horizontal relative to the ground after opening. This opening angle value is the update value; that is, the stored tabletop opening information should be updated to this opening angle. After the update, when the tabletop 3 opens again, it will open with this updated tabletop opening information, thus matching the adjustment of the seat back angle 2 and keeping the tabletop 3 horizontal to meet usage requirements.

[0065] In this embodiment, as one of the implementations, the table 3 will be in the open state when the angle adjustment signal of the seat back 2 is received. At this time, this embodiment still updates the stored table opening information according to the angle change of the seat back 2 and according to preset requirements. At the same time, after updating the stored table opening information, if a table retraction command is received, the table 3 will be retracted according to the table opening information stored before the update.

[0066] In practice, the table opening information is generally stored in the storage module 8 of the seat back table control system. When updating the table opening information, the storage areas of the table opening information before and after the update are different.

[0067] In detail, as a feasible implementation, for example, two different storage areas can be set in the storage module 8. Both storage areas are used to store desktop opening information, and for ease of description, these two storage areas can be referred to as the first storage area 801 and the second storage area 802, respectively. Furthermore, both the first storage area 801 and the second storage area 802 are fixed storage areas within the storage module 8.

[0068] Therefore, when the tabletop 3 is open, during an update of the tabletop opening information, the information before and after the update is stored in the first storage area 801 and the second storage area 802, respectively. Simultaneously, during the next update of the tabletop opening information, the information before and after the update is stored in the second storage area 802 and the first storage area 801, respectively. Thus, when the seat back 2 is adjusted and the tabletop opening information needs to be updated while the tabletop 3 is open, the two storage areas are updated alternately, that is, the first storage area 801 and the second storage area 802 are updated alternately.

[0069] In this way, by switching between the two storage areas, this embodiment can still use the previous tabletop opening information to close the currently open tabletop 3, avoiding situations where the tabletop 3 is not closed properly or is over-closed. When opening the tabletop 3 again, the updated tabletop opening information is used to open the tabletop, ensuring that the opening angle of the tabletop 3 matches the adjusted angle of the seat back 2, thereby keeping the tabletop 3 in the required horizontal position.

[0070] Furthermore, by setting up two different storage areas, when adjusting the seat back 2 while the tabletop 3 is open, this embodiment switches between the two storage areas. One storage area retains the tabletop opening information from before the update, while the other storage area is updated to store the updated tabletop opening information. Moreover, when the opened tabletop 3 is closed, it is closed using the information from before the update. When the tabletop 3 is opened again, it switches to using the information in the storage area containing the updated tabletop opening information to open it.

[0071] Therefore, by retracting the tabletop 3 with the updated tabletop opening information and switching to the updated tabletop opening information in the storage area when the tabletop 3 is reopened, the tabletop opening angle can be prevented from being disordered when the seat back 2 is adjusted due to the tabletop 3 not being retracted properly, thus achieving the effect of error prevention.

[0072] In addition to preventing errors, this embodiment utilizes two storage areas, allowing the tabletop 3 to be opened and closed with a single switch button. Furthermore, when the tabletop 3 is open and the seat backrest 2 is being adjusted, pressing the switch button twice can adjust the tabletop 3 back to its desired horizontal position, preventing accidental operation of the seat backrest 2 while the tabletop 3 is open and thus ensuring its usability.

[0073] The first button press occurs when the seat backrest 2 is accidentally adjusted due to the seat backrest 2 changing its angle while the table 3 is in the open position, causing the table 3 to no longer be horizontal. In this case, the button must be pressed to retract the table 3 using the previous table opening information. The second button press occurs after the table 3 has been retracted, and the button is pressed again to reopen the table 3 using the updated table opening information. During this process, because the table opening information is updated based on the change in the seat backrest 2 angle, and the two storage areas are switched, it ensures, as described above, that the table 3 is retracted correctly and that it is horizontal again when reopened.

[0074] As can be seen from the above description, the table control method of this embodiment adjusts the table 3 when the table 3 is open and the seat back 2 is accidentally operated (when the table 3 is open, the angle of the seat back 2 should not be adjusted to prevent affecting the use of the table 3). This involves updating the opening information of the table 3, i.e., the opening angle, and adjusting it through the process of folding and reopening the table 3. It is not a real-time adjustment of the table 3. Furthermore, this embodiment, while providing error prevention by setting two storage areas, also offers advantages such as convenient operation, low structural cost, and ease of placement on the table and chair back 2, thanks to the use of only one switch button for table 3 control.

[0075] Besides making both storage areas fixed storage areas in storage module 8, another feasible implementation is to make one storage area a fixed storage area and the other a temporary storage area. Here, a temporary storage area refers to an area that can temporarily store information such as desktop opening information. Once the temporarily stored information is transferred, the temporary storage area is released and can be used to temporarily store other subsequent information. In specific implementations, the temporary storage area can reside in the same memory as the fixed storage area. Alternatively, the temporary storage area can be a Flash memory or other temporary storage method, thus the two storage areas are not in the same memory.

[0076] Therefore, in the control method of this embodiment, for ease of description, the first storage area 801 can still be a fixed storage area, while the second storage area 802 can be a temporary storage area. Furthermore, as one implementation, for example, both the first storage area 801, as a fixed storage area, and the second storage area 802, as a temporary storage area, can still be used to store desktop opening information.

[0077] In practical implementation, the first storage area 801 stores the current table opening information. When a signal for adjusting the angle of the seat back 2 is received, and the stored table opening information is updated according to preset requirements based on the angle change of the seat back 2, the first storage area 801 is updated. Simultaneously, the table opening information in the first storage area 801 before the update is written to the second storage area 802. Therefore, when the table 3 in the open state is retracted, it can be retracted according to the table opening information in the second storage area 802, ensuring that the table 3 is properly retracted. When the table 3 is reopened after being retracted, it is reopened according to the updated table opening information in the first storage area 801, ensuring that the reopened table 3 adapts to the angle adjustment of the seat back 2 and remains in a horizontal state.

[0078] Similar to the aforementioned two fixed storage areas, this embodiment also achieves the same error prevention function by setting the two storage areas as a fixed storage area and a temporary storage area respectively. Simultaneously, a switch button can be used to open and close the table 3, and when the table 3 is open and the seat back 2 angle is adjusted, the table 3 can be adjusted by pressing the switch button twice. In this embodiment, the first press closes the table 3 using the previous table opening information written in the second storage area 802, while the second press opens the table 3 using the updated table opening information in the first storage area 801.

[0079] In another implementation, besides using the first storage area 801 (a fixed storage area) and the second storage area 802 (a temporary storage area) to store table opening information, in this specific implementation, the first storage area 801 can be used to store table opening information, but the second storage area 802 can be used to store changes in the angle of the seat back 2.

[0080] In this way, the first storage area 801 stores the current table opening information. When it receives a signal to adjust the angle of the seat back 2, and updates the stored table opening information according to the angle change of the seat back 2 as required by a preset requirement, the angle change of the seat back 2 is stored in the second storage area 802. Furthermore, when the table 3 is retracted from its open state, it is retracted according to the current table opening information in the first storage area 801, ensuring that it is properly retracted. After the table 3 is retracted, the table opening information in the first storage area 801 is updated directly according to the angle change of the seat back 2 written in the second storage area 802, as required by a preset requirement. Therefore, when the retracted table 3 is reopened, it opens with the updated table opening information in the first storage area 801, ensuring that the reopened table 3 adapts to the angle adjustment of the seat back 2 and remains in a horizontal position.

[0081] In this alternative embodiment, the same error prevention function can be achieved by setting the two storage areas as a fixed storage area and a temporary storage area, respectively. Simultaneously, a switch button can be used to open and close the table 3. Furthermore, when the table 3 is open and the seat back 2 angle is adjusted, the table 3 can be adjusted by pressing the switch button twice. Moreover, in this embodiment, the first press closes the table 3 using the previous table opening information in the first storage area 801. After the table 3 is closed, the first storage area 801 is updated using the seat back 2 angle change information in the second storage area 802. The second press then opens the table 3 using the updated table opening information in the first storage area 801.

[0082] In this embodiment, the two storage areas are designated as a fixed storage area and a temporary storage area, respectively. This not only prevents errors but also allows for control of the tabletop 3 using only a single switch button. It also offers advantages such as ease of operation, low structural cost, and convenient placement on the table and chair backs 2. Furthermore, compared to the scenario where both storage areas are fixed, designating one as a temporary storage area ensures that the tabletop activation information from the fixed storage area is always used during updates, eliminating the need to switch between the two storage areas. This reduces the risk of operational errors and further enhances the reliability of the tabletop 3.

[0083] It should be noted that both of the above are used as fixed storage areas for switching, or as temporary storage areas to temporarily store the table opening information or seat backrest 2 angle changes before the update. This only occurs when the table 3 is open and the seat backrest 2 angle is adjusted. In this case, by switching between the two storage areas or using the temporary storage area, not only can the table 3 be retracted normally, but it also has the error prevention effect mentioned above, ensuring the normal use of the table 3.

[0084] In addition to the aforementioned error prevention effects, the two storage areas in this embodiment, while ensuring that the opening of the tabletop 3 meets usage requirements, only require simple switching between the two fixed storage areas when using two fixed storage areas, and only one storage area is updated during each adjustment. Similarly, when using one fixed storage area and one temporary storage area, only the temporary storage area is used for temporary data storage, and only the fixed storage area is updated. Therefore, compared to the case using a single storage area, the control logic of the control method in this embodiment is simpler and easier to implement. Consequently, this embodiment can reduce the data computation load of the control system, reduce the data volume of the system software package, and also significantly reduce system development costs.

[0085] In this embodiment, in addition to adjusting the angle of the seat back 2 when the table 3 is in the open state, when adjusting the angle of the seat back 2 when the table 3 is in the folded state, it is only necessary to update the stored table opening information according to the preset requirements based on the change in the angle of the seat back 2.

[0086] Specifically, since the table 3 is in a retracted state when the seat back 2 is adjusted, updating the table opening information does not involve switching between the two storage areas mentioned earlier, nor does it require using a temporary storage area. At this time, with the table 3 retracted and the seat back 2 adjusted, if both storage areas are fixed, and the system is currently using the first storage area 801, then the system updates the first storage area 801. Conversely, if the system is currently using the second storage area 802, then the system updates the second storage area 802.

[0087] As long as the seat back 2 is adjusted and the table 3 is not in the open state, the first storage area 801 or the second storage area 802 will always be in the current usage state, and the system will continuously update the storage area in the current usage state.

[0088] In the case where the two storage areas are a fixed storage area and a temporary storage area, with the table 3 in the stowed state and the seat back 2 adjusted, the system can update either the first storage area 801 or the second storage area 802, which is the fixed storage area.

[0089] In this embodiment, the information regarding whether the tabletop 3 is in an open or closed state originates from the storage area for tabletop open / closed state information in the storage module 8. For ease of description, this storage area may be referred to as the third storage area 803. It should be noted that the storage area for the tabletop open / closed state information, i.e., the third storage area 803, is different from the storage area for the tabletop open state information before and after the update. That is, the first storage area 801, the second storage area 802, and the third storage area 803 are all different storage locations within the storage module 8.

[0090] When the tabletop 3 is opened or closed, the system updates the tabletop open / closed status information stored in the third storage area 803 when the tabletop 3 is fully opened or closed. When the tabletop 3 is opened, the stored information is updated from closed to open; when the tabletop 3 is closed, the stored information is updated from open to closed. This stored open and closed status can be retrieved by the system to determine the current state of the tabletop 3 when the seat back 2 is adjusted.

[0091] Step S2: When the tabletop opening command is received, the tabletop 3 is opened according to the tabletop opening information.

[0092] In this step, upon receiving the desktop opening command, the system opens desktop 3 according to the updated desktop opening information.

[0093] Specifically, when adjusting the seat backrest 2 angle while the table 3 is open, upon reopening the table 3, if both the first storage area 801 and the second storage area 802 are fixed storage areas, the table 3 will be opened according to the updated information in the switched storage area. If one of the first storage area 801 and the other of the second storage area 802 is a fixed storage area and the other is a temporary storage area, the table 3 will be opened using the updated information from the fixed storage area. When adjusting the seat backrest 2 angle while the table 3 is folded up, upon reopening the table 3, the table 3 will be opened according to the updated information in the currently used storage area.

[0094] The seat backrest table control method of this embodiment updates the stored table opening information according to the change in the angle of the seat backrest 2 after the angle of the seat backrest 2 is adjusted. Thus, the opening angle of the table 3 can be adjusted according to the adjustment of the angle of the seat backrest 2, which can keep the table 3 in a horizontal state relative to the ground when in use, thus ensuring the use effect of the table 3 and having good practicality.

[0095] Furthermore, it should be noted that in this embodiment, when the table 3 is in the open state and the angle of the seat back 2 is adjusted, if you want to restore the table 3 to a horizontal state, you need to first fold up the table 3 and then reopen it. At this time, since the system updates the table opening information based on the angle adjustment of the seat back 2, the table 3 opens with the updated table opening information, that is, the opening angle, thus restoring the horizontal state and ensuring the best usage effect.

[0096] Example 2

[0097] This embodiment relates to a control system for a seat back table, such as... Figure 4 As shown, the control system includes a receiving module 7, a storage module 8, an updating module 9, and a control module 10.

[0098] The receiving module 7 receives the angle adjustment signal of the seat back 2, as well as the table opening and retraction commands. The storage module 8 stores the table opening information and the table opening / retraction status information. The updating module 9 updates the stored table opening information according to preset requirements based on the angle change of the seat back 2 when the angle adjustment signal of the seat back 2 is received. The control module 10 controls the table 3 to open according to the table opening information when the table opening command is received.

[0099] Specifically, the receiving module 7 and the storage module 8 can be conventional interface modules and storage modules, the updating module 9 can be a conventional chip module with data processing and writing capabilities, and the control module 10 can also be a conventional chip module with data processing capabilities. Meanwhile, the control signal from the control module 8 can be transmitted to the tabletop electric adjuster 6 through the output module, and the control system in this embodiment can be integrated into the seat controller to utilize the corresponding interface module of the seat controller.

[0100] Furthermore, the storage module 8 in this embodiment has a first storage area 801 and a second storage area 802, and as one implementation, for example, both the first storage area 801 and the second storage area 802 can be fixed storage areas. In this case, both the first storage area 801 and the second storage area 802 are also used to store desktop opening information, and the update module 9 updates the first storage area 801 and the second storage area 802.

[0101] Furthermore, as described in Embodiment 1, when both the first storage area 801 and the second storage area 802 are fixed storage areas, when the angle of the seat back 2 is adjusted while the table 3 is open, the update module 9 alternately updates the two storage areas, which means that the first storage area 801 and the second storage area 802 need to be switched. However, when the angle of the seat back 2 is adjusted while the table 3 is folded up, it is not necessary to switch between the two storage areas.

[0102] In addition to the fact that both the first storage area 801 and the second storage area 802 in the storage module 8 are fixed storage areas, in this embodiment, the first storage area 801 can be a fixed storage area, while the second storage area 802 can be a temporary storage area. Referring again to Embodiment 1, as one implementation, the first storage area 801 is used to store desktop opening information, and the update module 9 also updates the first storage area 801. The second storage area 802 is used to store the desktop opening information before the first storage area 801 is updated.

[0103] In another implementation, the first storage area 801 is used to store table opening information, and the second storage area is used to store the angle change of the seat back 2. The update module 9 updates the table opening information stored in the first storage area 801 according to the angle change of the seat back 2 stored in the second storage area 802 and according to preset requirements.

[0104] The storage module 8 in this embodiment also has a third storage area 803 for storing tabletop opening / closing status information. When the tabletop 3 is flipped open or closed, the opening or closing status of the tabletop 3 stored in this storage area will be updated. The third storage area 803 is different from the storage area in the storage module 8 used to store tabletop opening information.

[0105] In addition, the control system of this embodiment also includes a tabletop control button 4, which is used to generate tabletop opening commands and tabletop retraction commands, and the tabletop control button 4 can typically be used as follows: Figure 2 The control button 4 shown is located on the back of the seat back 2 for easy operation by the occupant. This control button 4 is also the switch button described in Embodiment 1.

[0106] Furthermore, as one implementation, as mentioned in Embodiment 1, the opening and closing commands for the tabletop 3 in this embodiment are both obtained by triggering the same tabletop control button 4, meaning that the tabletop control button 4 is only one button. Since the tabletop 3 is only controlled to open or close via the tabletop control button 4, the control system in this embodiment further includes a switching module 11. This switching module 11 can use a conventional switching circuit module, and it is used to reverse the electrodes of the electric tabletop adjuster 6 that drives the tabletop 3 after it is opened or closed. Therefore, after manipulating the tabletop control button 4 to open or close the tabletop 3, operating the tabletop control button 4 again can control the tabletop 3 to open or close in the opposite direction.

[0107] The specific working process of the control system in this embodiment can be found in the description of Embodiment 1. Furthermore, the control system of this embodiment can adjust the opening angle of the table 3 according to the adjustment of the seat back 2, ensuring that the table 3 is horizontal relative to the ground during use, thus guaranteeing the effectiveness of the table 3 and demonstrating excellent practicality.

[0108] Example 3

[0109] This embodiment relates to a non-transitory computer-readable medium containing computer-executable instructions that, when executed by a processor, cause the processor to perform the seat back table control method described in Embodiment 1.

[0110] Example 4

[0111] This embodiment relates to a car seat, in which a table 3 is provided on the back of the seat back 2, and the car seat is provided with a backrest electric angle adjuster 5 for adjusting the angle of the seat back 2, and a table electric angle adjuster 6 for driving the table 3 to open or close is provided on the seat back 2. At the same time, the car seat is also equipped with the seat back table control system in Embodiment 2.

[0112] When using the car seat in this embodiment, the control of the seat back 2 angle can be referred to the adjustment direction of the existing electric adjustable seat, while the control of opening and closing the table 3 can be referred to the description in the above embodiment one.

[0113] In this embodiment of the car seat, when in use, the adjustment of the opening angle of the table 3 can be referred to the description in Embodiment 1. Furthermore, by adopting the above-mentioned seat back table control system, this embodiment can adjust the opening angle of the table 3 according to the adjustment of the seat back 2 angle, thereby maintaining the horizontal state of the table 3 during use, ensuring the use effect of the table 3, and thus ensuring the quality of use of the table 3.

[0114] Furthermore, this embodiment also relates to a car equipped with the aforementioned car seats.

[0115] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for controlling a seat backrest table, characterized in that, The control method includes: When the angle adjustment signal of the seat back (2) is received, the stored table opening information is updated according to the angle change of the seat back (2) and the preset requirements are followed. When a tabletop opening command is received, the tabletop is opened according to the tabletop opening information (3). The control method also includes: When the angle adjustment signal of the seat back (2) is received and the table (3) is in the open state, the stored table opening information is updated according to the angle change of the seat back (2) according to the preset requirements. The updated table opening information directly replaces the information in the fixed storage area of ​​the table opening information before the update, and the angle change of the seat back (2) is stored in the temporary storage area. When the table (3) in the open state is retracted, the information in the fixed storage area of ​​the table opening information before the update is retracted. After the table (3) is retracted, the information in the fixed storage area of ​​the table opening information before the update is directly updated according to the angle change of the seat back (2) stored in the temporary storage area, according to the preset requirements.

2. The seat backrest table control method according to claim 1, characterized in that, The control method also includes: After updating the stored tabletop opening information, when a tabletop collapse instruction is received, the tabletop is collapsed according to the tabletop opening information stored before the update (3).

3. The seat backrest table control method according to claim 1, characterized in that: The storage area for the desktop activation information before and after the update is different.

4. The seat backrest table control method according to claim 1, characterized in that: The information that the tabletop (3) is in an open or closed state comes from the storage area of ​​the tabletop open / closed state information; the storage area of ​​the tabletop open / closed state information is different from the storage area of ​​the tabletop open information before the update and the tabletop open information after the update.

5. The seat backrest table control method according to claim 1, characterized in that, The control method also includes: When the angle adjustment signal of the seat back (2) is received and the table (3) is in the folded state, the stored table opening information is updated according to the preset requirements based on the angle change of the seat back (2); When a tabletop opening command is received, the tabletop is opened according to the updated tabletop opening information (3).

6. The seat backrest table control method according to claim 1, characterized in that, The control method also includes: When the tabletop (3) is in the open state and a tabletop retraction instruction is received, the tabletop (3) is retracted according to the tabletop opening information corresponding to the current state of the tabletop (3).

7. A control system for a seat back table, characterized in that, The control system is used to implement the seat backrest table control method of claim 1, and includes: The receiving module (7) is used to receive the angle adjustment signal of the seat back (2), as well as the table opening command and the table retraction command; Storage module (8), the storage module (8) is used to store table opening information and table opening / closing status information; Update module (9), the update module (9) is used to update the stored table opening information according to the angle change of the seat back (2) when the angle adjustment signal of the seat back (2) is received; Control module (10), the control module (10) is used to control the table (3) to open according to the table opening information when the table opening instruction is received; The storage module (8) has a first storage area (801) and a second storage area (802), wherein the first storage area (801) is a fixed storage area and the second storage area (802) is a temporary storage area; The first storage area (801) is used to store table opening information, and the second storage area is used to store the angle change of the seat back (2). The update module (9) updates the table opening information stored in the first storage area (801) according to the angle change of the seat back (2) stored in the second storage area (802) and according to preset requirements.

8. The seat back table control system according to claim 7, characterized in that: The storage module (8) has a third storage area (803) for storing the tabletop opening / closing status information. The third storage area (803) is different from the storage area in the storage module (8) for storing the tabletop opening information.

9. The seat back table control system according to claim 7, characterized in that, The control system further includes: Tabletop control button (4), the tabletop control button (4) is used to generate the tabletop opening command and the tabletop retraction command; The switching module (11) is used to reverse the electrodes of the electric tabletop adjuster (6) that drives the tabletop (3) to move after the tabletop (3) is opened or closed.

10. A non-transitory computer-readable medium containing computer-executable instructions, characterized in that: When executed by a processor, the instructions cause the processor to perform the seat back table control method according to any one of claims 1 to 6.

11. A car seat, characterized in that: The back of the seat back (2) of the car seat is provided with a table (3), the car seat is provided with a backrest electric angle adjuster (5) for adjusting the angle of the seat back (2), the seat back (2) is provided with a table electric angle adjuster (6) for driving the table (3) to open or close, and the car seat is equipped with a seat back table control system according to any one of claims 7 to 9.

12. A car, characterized in that: The vehicle is equipped with the vehicle seat as described in claim 11.

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