Human body self-adaptive seat controller

Abstract

The utility model discloses a human body self-adaptive seat controller, which comprises an upper shell and a lower shell, a PCB (Printed Circuit Board) is arranged between the upper shell and the lower shell, the PCB is provided with an MCU (Microprogrammed Control Unit) core module, an electromagnetic valve group, a communication module and a driving circuit, and the human body self-adaptive seat controller further comprises a noise reduction structure; the communication module and the driving circuit are respectively connected with the MCU core module, and the electromagnetic valve group is connected with the driving circuit; the MCU core module is configured to execute a preset program to output a control instruction for controlling the human body self-adaptive seat; the noise reduction structure comprises an air valve noise reduction cushion arranged between the upper shell and the PCB and a contact vibration blocking pad arranged on the outer side of the upper shell. The human body self-adaptive seat controller has a series of advantages of low noise, high integration level, high reliability, self-adaptive adjustment and the like.

Description

A human body adaptive seat controller Technical Field

[0001] This utility model relates to the field of automotive seat control system technology, and in particular to a human body adaptive seat controller. Background Technology

[0002] As the demand for intelligent and comfortable vehicles continues to rise, users are placing higher demands on personalized seat support, multi-mode function integration, and a quiet experience. However, existing automotive seat control systems still suffer from significant technical bottlenecks, hindering further improvements in user experience.

[0003] On the one hand, traditional controllers have significant shortcomings in noise reduction design. The noise generated by the high-speed release of air during the inflation and deflation of the airbag, as well as the abnormal noise caused by vibration and friction between the controller and the mounting components, seriously affect the quietness of the in-vehicle environment. Existing solutions mostly use a single sound insulation structure, which makes it difficult to simultaneously suppress air path noise and mechanical contact noise, thus limiting driving comfort.

[0004] On the other hand, existing controllers have low functional integration. Comfort functions such as heating, ventilation, and massage require multiple independent controllers, resulting in high system complexity, redundant costs, and difficulty in achieving multi-functional coordinated control, thus limiting product competitiveness.

[0005] Meanwhile, existing systems lack intelligent interactive capabilities. Most controllers are not equipped with user habit memory modules, requiring repeated manual adjustments each time they are used, resulting in poor convenience. Furthermore, their data interaction capabilities with the vehicle system are weak, leading to a poor user experience.

[0006] Therefore, the need for a new type of seat controller that integrates noise reduction design, multi-functionality, adaptive adjustment, and deep data interaction capabilities has become an urgent problem to be solved in the industry. Summary of the Invention

[0007] In view of the above-mentioned shortcomings in the current automotive seat control system technology field, this utility model provides a human body adaptive seat controller that can achieve the effects of quietness, reliability, low cost and adaptive adjustment.

[0008] To achieve the above objectives, the embodiments of this utility model adopt the following technical solutions:

[0009] A human body adaptive seat controller includes an upper shell and a lower shell, with a PCB board disposed between the upper shell and the lower shell. The PCB board is provided with an MCU core module, a solenoid valve group, a communication module, and a drive circuit. The human body adaptive seat controller also includes a noise reduction structure. The communication module and the drive circuit are respectively connected to the MCU core module, and the solenoid valve group is connected to the drive circuit.

[0010] The MCU core module is configured to execute a preset program to output control commands for controlling the human body adaptive seat;

[0011] The noise reduction structure includes a valve sound-absorbing buffer pad disposed between the upper shell and the PCB board, and a contact vibration blocking pad disposed on the outside of the upper shell.

[0012] According to one aspect of this utility model, the materials of the air valve silencing buffer pad and the contact vibration blocking pad are sponge, porous foam, silicone foam or butyl rubber.

[0013] According to one aspect of the present invention, the contact vibration blocking pad is a square structure with a hollow center.

[0014] According to one aspect of the present invention, the upper shell includes a shell plate and snap fasteners disposed around the periphery of the shell plate.

[0015] According to one aspect of this utility model, the upper shell, the lower shell, and the PCB board are fixed by shell screws, and the solenoid valve assembly is fixed to the PCB board by solenoid valve screws.

[0016] According to one aspect of this utility model, the air valve noise-absorbing buffer pad is fixed to the PCB board by double-sided adhesive, and the contact vibration blocking pad is fixed to the outside of the upper shell by double-sided adhesive.

[0017] According to one aspect of the present invention, a felt pad is provided on the outer side of the lower shell to prevent frictional noise caused by vibration between the controller and the mounting position.

[0018] According to one aspect of the present invention, the felt pad is fixed to the outside of the lower shell by double-sided adhesive.

[0019] According to one aspect of the present invention, the lower shell is provided with fixing holes on two symmetrical sides, and the fixing holes are flush with the outer surface of the lower shell.

[0020] According to one aspect of the present invention, the human body adaptive seat controller further includes an isolation pad disposed between the upper shell and the PCB board.

[0021] The advantages of this invention are as follows: First, the noise reduction structure eliminates or reduces the noise from airbag deflation and friction noise from other objects during use, effectively improving the quietness of the seat and the driving experience by reducing noise from both the air path and equipment contact aspects. Second, the use of isolation pads and felt pads effectively protects the solenoid valve and reduces wear on the housing, lowering the product failure rate and extending its service life. Third, the controller in this design integrates multiple functions such as heating, ventilation, and massage. Compared to traditional designs that require multiple independent controllers to drive these functions, this design reduces the number of controllers, lowers costs, and enhances the product's market competitiveness. Finally, by using pressure sensors to collect pressure values ​​from various parts of the body in real time and combining this with adaptive software algorithms to automatically adjust the airbag height, it provides personalized support for drivers and passengers, improving the user experience. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 is an exploded view of a human body adaptive seat controller according to the present invention;

[0024] Figure 2 is a schematic diagram of the overall human body adaptive seat controller of this utility model. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] As shown in Figures 1 and 2, a human-adaptive seat controller 100 includes an upper shell 103 and a lower shell 108. A PCB board 106 is disposed between the upper shell 103 and the lower shell 108. The PCB board 106 is equipped with an MCU core module, a solenoid valve group, a communication module, and a drive circuit. The communication module and the drive circuit are respectively connected to the MCU core module, and the solenoid valve group is connected to the drive circuit. In addition, the human-adaptive seat controller 100 of this design also includes a noise reduction structure.

[0027] In this embodiment, multiple threaded holes 112 are provided at corresponding positions on the PCB board 106, the upper shell 103, and the lower shell 108. The positions of the threaded holes 112 are corresponding, and the upper shell 103 and the lower shell 108 are fixed together by shell screws 102. Specifically, the shell screws 102 are screwed into the corresponding threaded holes on the PCB board 106 and the lower shell, starting from the threaded hole 112 on the upper shell 103, thereby fixing the PCB board 106, the upper shell 103, and the lower shell 108. The position and size of the threaded holes 112 and the shell screws 102 can be set as needed, and this embodiment does not impose any special limitations.

[0028] To further enhance the fixing strength between the upper shell 103 and the lower shell 108, in this embodiment, a buckle 110 is provided extending downward from the side of the upper shell 103. The buckles 110 are arranged in a uniform and symmetrical manner on the side of the upper shell 103. In this way, after the upper shell 103 and the lower shell 108 are fixed, the buckles 110 can prevent relative movement between the upper shell 103 and the lower shell 108.

[0029] Similarly, in this embodiment, the solenoid valve assembly is also fixed to the PCB board 106 by the solenoid valve screw 107.

[0030] The MCU core module, as a key component of the human-adaptive seat controller, plays a crucial role in realizing the seat's various functions. This includes receiving pressure signals, executing control algorithms, and outputting control commands. Specifically, it includes:

[0031] Firstly, by controlling various drive circuits, the MCU provides power and control to the actuators of the comfort system, such as the heating pad, DC fan, and air pump. For the heating pad and fan, the drive circuits undergo parameter calibration during the whole seat verification phase to adapt to the requirements of different car manufacturers, ensuring that each actuator operates stably and normally, and meeting the functional requirements of seat heating, ventilation, and air supply.

[0032] Secondly, by controlling the built-in solenoid valves, precise control is achieved over the inflation, deflation, and deflating of the massage airbags and the holding airbags. Depending on the different operating states of the massage solenoid valve assembly and the holding solenoid valve assembly, the functions of the massage airbags and the holding airbags are realized to meet the personalized adjustment needs of different users for seat comfort.

[0033] Thirdly, based on the electrical architecture requirements of different vehicle models, it supports LIN / CAN bus communication. Through these buses, the MCU can interact with the vehicle control system, enabling the central control screen to control various functions of the controller in this design. It can also receive control commands from the buttons and switches next to the seats, and transmit the pressure values ​​of various parts of the human body collected by pressure sensors to the vehicle's central control screen for display via the LIN / CAN bus, providing a foundation for multi-device collaborative control and information sharing.

[0034] Fourth, it reads the pressure values ​​of various parts of the human body and the air pressure values ​​in each airbag from the pressure sensors. This data is the basis for the seat's adaptive adjustment. The MCU uses integrated software algorithms to control the inflation, deflation, or deflating of the airbags based on the collected data, thereby adjusting the contact force between the seat surface and the human body to provide a more comfortable experience for the user.

[0035] Fifth, it integrates an adaptive software algorithm located at the application layer of the software architecture. Initial adaptive adjustment is achieved by calibrating an initial body pressure value adjustment model beforehand. After automatic adjustment, user intervention is supported for fine-tuning. The adjusted body pressure value is stored internally in the controller for easy restoration of adaptive adjustment later. Furthermore, it can connect to big data systems via LIN / CAN bus, receiving target body pressure adjustment values ​​analyzed by a big data model and automatically executing adjustments to continuously optimize the seat's comfort.

[0036] Sixth, the system controls the air pump's operating status according to different working modes. In massage mode, it controls the air pump to inflate; in adaptive mode, it controls the air pump to inflate or deflate based on the pressure sensor and the air pressure inside the air bag using a software algorithm; in non-massage, non-adaptive, or corresponding modes that are turned off, it controls the air pump to stop working, effectively managing system energy consumption and ensuring that each function operates in an orderly manner as needed.

[0037] The adaptive software algorithm in this design achieves intelligent seat adaptation through a holistic process of "data acquisition - analysis and adjustment - memory learning - vehicle-machine linkage." Specifically, this includes: pressure sensors collecting real-time pressure values ​​at points such as the buttocks, legs, side wings, and back; after receiving the data, the MCU adjusts the airbags according to the order of lower back, upper back, side wings, and leg rest, controlling the inflation / deflation of the corresponding airbags via solenoid valves to achieve initial adaptive adjustment; after the initial automatic adjustment is completed, the user can fine-tune the airbag pressure through the central control screen; after adjustment, the current body pressure value is stored in memory, and the memory value can be restored with one click when the user sits down; the body pressure data is uploaded to the vehicle-machine system data model via the LIN / CAN bus; after analyzing the pressure distribution patterns of different body types and sitting postures, the model sends optimized body pressure adjustment target values ​​to the controller, thereby improving the adaptation accuracy and user experience.

[0038] Of course, you can also combine massage mode and adaptive mode. During massage, the air pump is kept in an inflated state, and during adaptive adjustment, the air pump is dynamically controlled to inflate / de-inflate based on pressure feedback, ensuring that the logic between functions does not interfere with each other.

[0039] In summary, the human body adaptive seat controller designed in this paper can automatically collect the pressure values ​​of various positions of the human body on the seat through pressure sensors, and then automatically adjust the height of the airbags in each position through adaptive software algorithms, so that the seat surface provides a feeling of being wrapped around the human body. Furthermore, the relevant pressure data is synchronized to the vehicle system through the bus communication module, and a human body pressure cloud map can be displayed on the central control vehicle screen, thereby improving the comfort and user experience of drivers and passengers from both tactile and visual perspectives.

[0040] In this design, the solenoid valve is an electromechanical device that controls the airflow channel using the principle of MCU-controlled electromagnets. The solenoid valve has an air nozzle 200 for inflation and deflation. In this embodiment, the solenoid valve group includes multiple solenoid valves. Based on different functions, the solenoid valve group is divided into a massage solenoid valve group and a holding solenoid valve group. Each massage solenoid valve group includes one solenoid valve, and each holding solenoid valve group consists of two solenoid valves. The massage solenoid valve group has two operating states: inflation and deflation. Controlling the operating state of the massage solenoid valve group enables the inflation and deflation of the massage air bag. The holding solenoid valve group has three operating states: inflation, deflation, and holding. Controlling the operating state of the holding solenoid valve group enables the corresponding function of holding the air bag.

[0041] In this embodiment, the PCB board 106 is equipped with 12 massage solenoid valve groups and 6 holding solenoid valve groups, for a total of 24 solenoid valves, corresponding to the application requirements of 12 massage air bags and 6 holding air bags. Of course, if there are more air bags (including massage air bags and holding air bags), more solenoid valves can be integrated on the PCB board 106 to control the operation of these air bags. At the same time, the MCU will also need more ports to control these solenoid valves.

[0042] The bus communication module supports LIN / CAN bus communication for communication with the vehicle control system. Specifically, it connects pressure sensors and the central control screen via LIN / CAN bus; it transmits pressure values ​​and control commands in real time, such as sending pressure cloud maps to the central control screen or automatically adjusting the seat according to memory settings. Furthermore, through the bus communication module, the controller can also integrate with other vehicle systems (such as navigation and safety systems), for example, automatically adjusting seat support based on vehicle speed to improve safety and comfort.

[0043] The drive circuit is electrically connected to the MCU core module and is used to drive the heating pad, ventilation fan, and air pump. Specifically, it includes: heating control, using a chip to adjust the heating pad temperature to prevent overheating and rapidly raise and maintain a constant temperature at low temperatures; ventilation control, controlling fan speed and direction, enabling fast operation at high temperatures and quiet operation at low temperatures; and air pump control, driving the air pump to inflate / evacuate air, adjusting in real time according to pressure for energy saving and fast response. Of course, to adapt to different manufacturers, the drive circuit parameters are designed to be adjustable (e.g., power, speed), thus ensuring compatibility with different vehicle models.

[0044] The noise reduction structure includes a valve silencing buffer pad 105 and a contact vibration blocking pad 101. The valve silencing buffer pad 105 is disposed between the upper shell 103 and the PCB board 106, while the contact vibration blocking pad 101 is disposed on the outer side of the upper shell 103. In this embodiment, the valve silencing buffer pad 105 is attached to the upper surface of the PCB board 106 using double-sided adhesive, specifically in the middle position between the two rows of solenoid valves on the PCB board 106; it can also be attached to the inner surface of the upper shell 103. The contact vibration blocking pad 101 is also attached to the outer side of the upper shell 103 using double-sided adhesive.

[0045] The materials for the valve noise-absorbing buffer pad 105 and the contact vibration damping pad 101 can be selected as sponge, porous foam, silicone foam, or butyl rubber, etc. In this embodiment, both the valve noise-absorbing buffer pad 105 and the contact vibration damping pad 101 are made of sponge, but other types can be selected as needed.

[0046] In this design, the air valve noise reduction buffer pad 105 and the contact vibration isolation pad 101 are respectively assigned different noise reduction tasks, which play an important role in improving the driving experience and optimizing the seat usage environment.

[0047] The air valve noise-reducing cushion 105 is used to eliminate air release noise during the process of the solenoid valve releasing air from the air bag. During seat use, the rapid release of gas when the solenoid valve controls the air bag release generates noise. The air valve noise-reducing cushion 105 utilizes its own physical properties; for example, when the material of the air valve noise-reducing cushion 105 is sponge, the porous structure and soft material of the sponge buffer and dampen the airflow generated during release. When gas impacts the sponge, the pores of the sponge disperse the energy of the airflow, reducing the airflow speed and thus weakening the noise generated during release. This prevents passengers from being disturbed by the noise of the air bag releasing during seat use, improving the quietness and comfort of the seat.

[0048] The vibration damping pad 101 is used to isolate the controller 100 of this design from friction with other objects, preventing friction noise. During daily use, the seat will shake due to vehicle vibrations and the movements of the driver and passengers, which may cause the controller of this design to rub against other surrounding objects, thus generating noise. The vibration damping pad 101 separates the controller of this design from other objects. For example, when the vibration damping pad 101 is made of sponge, the soft and elastic properties of the sponge can effectively reduce friction between them. Even if there are bumps or slight displacement of the seat during vehicle operation, the vibration damping pad 101 can still act as a buffer, avoiding friction noise caused by hard contact, ensuring a quiet driving environment, and providing a more comfortable experience for the user.

[0049] The dimensions of the contact vibration isolation pad 101 are determined according to the dimensions of the upper shell 103. The contact vibration isolation pad 101 is a square structure with a hollow center, which does not affect the heat dissipation effect of the controller 100 in this design. The shape and size of the hollow center can be determined according to actual needs.

[0050] In addition, the human-adaptive seat controller of this design also includes an isolation pad 104, which is disposed between the upper shell 103 and the PCB board 106. The isolation pad 104 can be attached to the inside of the upper shell 103 with double-sided adhesive, or it can be fixed by other means. By setting the isolation pad 104, direct contact between the solenoid valve and the upper shell 103 can be avoided, and it plays a buffering role during vibration, thereby protecting the solenoid valve. In this embodiment, the isolation pad 104 includes two long strips, which are respectively disposed between the two rows of solenoid valves on the PCB board 106 and the upper shell 103 to play a role in isolation and buffering.

[0051] In this embodiment, the material of the isolation pad 104 can be foam, or other types of materials can be selected, as long as they can play the role of isolation and cushioning. This design does not impose any special limitations.

[0052] An isolation pad 104 is positioned between the upper housing 103 and the PCB board 106. The isolation pad 104 can be attached to the inner surface of the upper housing 103 using double-sided adhesive, or it can be fixed in other ways. By using the isolation pad 104, direct contact between the solenoid valve and the upper housing 103 can be avoided, and it also acts as a buffer during vibration, thus protecting the solenoid valve.

[0053] In this embodiment, a felt pad 109 is fixedly provided on the outer side of the lower shell 108. The felt pad 109 can be attached to the outer surface of the lower shell 108 with double-sided tape. Of course, the felt pad 109 can also be fixed in other ways.

[0054] It should be noted that the felt pad 109 here is only a specific choice in this design. Other materials, such as rubber pads, sponge rubber or foam rubber, are all conventional alternative structures and fall within the protection scope of this application.

[0055] Meanwhile, fixing holes 111 are provided on the two symmetrical sides of the lower shell 108. The fixing holes 111 are flush with the outer surface of the lower shell 108. The fixing holes 111 are arranged at even intervals. In this embodiment, there are eight fixing holes 111. Of course, the position and number of fixing holes 111 can be flexibly set as needed. No special limitation is made here.

[0056] During installation, screws can be screwed into the fixing holes 111 to install the controller 100 of this design on the fixing device. At this time, the outer surface of the felt pad 109 and the fixing device are in contact to prevent noise generated by vibration and friction between the controller 100 and the fixing device and to prevent wear on the lower shell 108. This helps to improve the quietness of the device and extend the service life of the controller 100.

[0057] Meanwhile, to enhance the structural strength of the lower shell 108, reinforcing ribs 113 are provided on the inner surface of the lower shell 108. In this embodiment, the reinforcing ribs 113 have a mesh structure with a higher density in the middle, but they can also be configured into other shapes as needed.

[0058] The advantages of this invention are as follows: First, the noise reduction structure eliminates or reduces the noise from airbag deflation and friction noise from other objects during use, effectively improving the quietness of the seat and the driving experience by reducing noise from both the air path and equipment contact aspects. Second, the use of isolation pads and felt pads effectively protects the solenoid valve and reduces wear on the housing, lowering the product failure rate and extending its service life. Third, the controller in this design integrates multiple functions such as heating, ventilation, and massage. Compared to traditional designs that require multiple independent controllers to drive these functions, this design reduces the number of controllers, lowers costs, and enhances the product's market competitiveness. Finally, by using pressure sensors to collect pressure values ​​from various parts of the body in real time and combining this with adaptive software algorithms to automatically adjust the airbag height, it can provide personalized support for drivers and passengers, improving the user experience. In conclusion, the human body adaptive seat controller designed in this invention has broad industrial application value.

[0059] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A human body adaptive seat controller, comprising an upper shell (103) and a lower shell (108), wherein a PCB board (106) is disposed between the upper shell (103) and the lower shell (108), characterized in that, The PCB board (106) is provided with an MCU core module, a solenoid valve group, a communication module and a drive circuit. The human body adaptive seat controller also includes a noise reduction structure. The communication module and the drive circuit are respectively connected to the MCU core module, and the solenoid valve group is connected to the drive circuit. The MCU core module is configured to execute a preset program to output control commands for controlling the human body adaptive seat. The noise reduction structure includes a valve noise reduction buffer pad (105) disposed between the upper shell (103) and the PCB board (106) and a contact vibration blocking pad (101) disposed on the outside of the upper shell (103).

2. The human body adaptive seat controller according to claim 1, characterized in that, The valve silencer pad (105) and the contact vibration damping pad (101) are made of sponge, porous foam, silicone foam or butyl rubber.

3. The human body adaptive seat controller according to claim 1, characterized in that, The contact vibration barrier pad (101) is a square structure with a hollow center.

4. The human body adaptive seat controller according to claim 1, characterized in that, The upper shell (103) includes a shell plate and snap fasteners (110) disposed around the periphery of the shell plate.

5. The human body adaptive seat controller according to claim 1, characterized in that, The upper shell (103), lower shell (108) and PCB board (106) are fixed by shell screws (102), and the solenoid valve assembly is fixed on the PCB board (106) by solenoid valve screws (107).

6. The human body adaptive seat controller according to claim 1, characterized in that, The air valve noise reduction buffer pad (105) is fixed to the PCB board (106) with double-sided adhesive, and the contact vibration blocking pad (101) is fixed to the outside of the upper shell (103) with double-sided adhesive.

7. The human body adaptive seat controller according to claim 1, characterized in that, A felt pad (109) is provided on the outer side of the lower shell (108) to prevent friction noise caused by vibration between the controller and the installation position.

8. The human body adaptive seat controller according to claim 7, characterized in that, The felt pad (109) is fixed to the outside of the lower shell (108) with double-sided tape.

9. The human body adaptive seat controller according to claim 1, characterized in that, The lower shell (108) has two symmetrical sides with fixing holes (111) that are flush with the outer surface of the lower shell (108).

10. The human body adaptive seat controller according to any one of claims 1 to 9, characterized in that, The human body adaptive seat controller also includes an isolation pad (104) disposed between the upper shell (103) and the PCB board (106).

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