Automobile seat ventilation and heating structure considering human microclimate

Abstract

The application is suitable for the technical field of automobile thermal comfort, and provides a vehicle seat ventilation and heating structure considering human microclimate, which comprises a seat shell, a porous medium layer is arranged on the side wall of the seat shell; further comprises: a flexible sensor skin; a ventilation module; a microclimate adjusting layer, the microclimate adjusting layer comprises a servo motor and two rotating columns, a conveyor belt is connected between the two rotating columns, dry adhesive tape and heating resistance wire are fixedly connected on the conveyor belt, conveyor belt holes are arranged on the conveyor belt; and a control module. The device adopts an integrated structure, is compact in layout, avoids space waste, can realize multifunctional automatic adjustment, and is good in use effect.

Description

Technical Field

[0001] This invention belongs to the field of automotive thermal comfort technology, and particularly relates to a car seat ventilation and heating structure that takes into account the human body's microclimate. Background Technology

[0002] Existing seat ventilation and heating technologies fall into two categories: independent modular designs that isolate the heating pad from the ventilation duct, and stacked designs that embed heating resistance wires into the duct. However, both have drawbacks. Independent modules occupy a large amount of space, reducing seat softness and easily obstructing airflow; while stacked designs save space, they cannot be independently controlled, making it difficult to adapt to human needs. More importantly, existing technologies only adjust the temperature, ignoring the issue of sweat after prolonged sitting. Residual sweat creates a sticky feeling and easily breeds bacteria; breathable fabrics can only accelerate evaporation and cannot actively absorb moisture. A few seats with moisture-absorbing functions have a built-in desiccant, which needs to be removed and replaced when saturated, making maintenance cumbersome. Furthermore, the desiccant is not linked to ventilation and heating, resulting in low efficiency and poor battery life.

[0003] Furthermore, the reliance on manual operation for function switching makes it difficult to adapt to the dynamic changes in the human body's microclimate. Human skin temperature and perspiration levels fluctuate in real time with environmental factors and driving time; manual switching is cumbersome and prone to delays, leading to issues such as excessive cold, excessive heat, or sticky dampness. Therefore, a seat structure with a compact design, coordinated functions, and the ability to efficiently switch between ventilation and heating, active moisture absorption, and reusable moisture-absorbing components is an urgent need in the field of automotive seat comfort. Summary of the Invention

[0004] The purpose of this invention is to provide a car seat ventilation and heating structure that takes into account the human body's microclimate, thereby solving the problems mentioned in the background art.

[0005] The present invention is implemented as follows: a car seat ventilation and heating structure that takes into account the human body microclimate includes a seat shell, wherein a porous medium layer is disposed on the side wall of the seat shell; and further includes:

[0006] A flexible sensor skin covering the exterior of the seat shell is used to collect data on human skin temperature and contact humidity in real time.

[0007] A ventilation module installed inside the seat shell is used for seat ventilation;

[0008] A microclimate regulating layer is arranged on the side wall of the seat shell in an interleaved manner with a porous medium layer. The microclimate regulating layer includes a servo motor and two rotating columns. The output end of the servo motor is connected to either of the rotating columns. A conveyor belt is connected between the two rotating columns. A drying strip and a heating resistance wire are fixed on the conveyor belt. The conveyor belt also has conveyor belt holes, which avoid the arrangement positions of the drying strip and the heating resistance wire.

[0009] A control module, which is used to receive the data collected by the flexible sensor skin and control the ventilation module and the microclimate adjustment layer according to the collected data.

[0010] In a further technical solution, the ventilation module includes a seat blower installed inside the seat shell. A duct plate is connected to the air outlet of the seat blower, and a plurality of duct holes are provided on one side of the duct plate facing the porous medium layer and the microclimate adjustment layer.

[0011] In a further technical solution, the flexible sensor skin is内置 with a temperature sensor and a humidity sensor; both the temperature sensor and the humidity sensor are electrically connected to the control module.

[0012] In a further technical solution, both the conveyor belt and the drying rubber strip are made of high-temperature resistant flexible materials, which can withstand a temperature environment of 45°C - 85°C and maintain structural integrity and flexible deformation ability within the temperature range.

[0013] In a further technical solution, when the flexible sensor skin detects that the temperature T ≤ 32°C and the relative humidity RH ≤ 45%, the heating mode is开启; the control module controls the seat blower to关闭, and the servo motor drives the conveyor belt to rotate the heating resistance wire to the human contact side and lock it in position; the heating resistance wire starts, and when T rises to 35°C, the power is reduced for heat preservation. After heat preservation for five minutes, the heating mode is automatically关闭, or it can be manually关闭 at any time.

[0014] In a further technical solution, when the flexible sensor skin detects that the temperature 35°C < T ≤ 36°C and the relative humidity 50% ≤ RH < 60%, the ventilation mode is开启; the control module controls the heating resistance wire to cut off the power, and the servo motor drives the conveyor belt to rotate the heating resistance wire to the human contact side and lock it in position; the seat blower starts at medium speed. When RH drops to 53%, it switches to low speed. When 46% ≤ RH ≤ 48%, it switches to the sleep gear. After the sleep gear lasts for five minutes, the ventilation mode is automatically关闭, or it can be manually关闭 at any time.

[0015] In a further technical solution, when the flexible sensor skin detects that the temperature T > 3B°C and the relative humidity RH ≥ 60%, the sweating mode is开启; the control module controls the servo motor to drive the conveyor belt to rotate the drying rubber strip to the human contact side and lock it in position; the seat blower starts at high speed. When T > 37°C, it maintains high speed. When 36°C < T ≤ 37°C, it switches to medium speed; when T ≤ 36°C and RH < 60%, the mode switches to the ventilation mode.

[0016] In a further technical solution, the high speed of the seat blower is 0.8m / s, the medium speed is 0.5m / s, the low speed is 0.3m / s, and the sleep gear is 0.1m / s.

[0017] In a further technical solution, the top of the rotating column is installed in a rotating hole provided on the upper part of the seat shell, and the servo motor is installed at the bottom of the seat shell and connected to the bottom end of the rotating column.

[0018] The present invention provides a car seat ventilation and heating structure that takes into account the human body's microclimate, and its beneficial effects are as follows:

[0019] (1) The dynamic switching design of the conveyor belt enables the heating, moisture absorption and ventilation functions to be precisely adapted to human needs, thus solving the problem of functional conflict in traditional structures.

[0020] (2) Relying on the existing heating resistance wire, the drying strip can be regenerated by switching modes, eliminating the need for frequent replacement and reducing maintenance costs.

[0021] (3) An integrated microclimate control layer is adopted to avoid the waste of space in independent layouts and to not affect the softness and comfort of the seats.

[0022] (4) The sensor linkage control module automatically switches modes, with fast response time, and matches the human body's microclimate changes in real time, reducing manual operation and avoiding discomfort such as excessive cold, excessive heat and dampness.

[0023] (5) The porous medium layer and the conveyor belt are arranged in the same plane to form a continuous airflow channel, which reduces wind resistance loss and improves the air volume utilization rate of the seat blower. Attached Figure Description

[0024] Figure 1 A schematic diagram of a car seat ventilation and heating structure that takes into account the human body microclimate, provided as an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of the internal structure of a car seat ventilation and heating structure that takes into account the human body microclimate, provided for an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the microclimate regulation layer in a car seat ventilation and heating structure that takes into account the human body microclimate, provided in an embodiment of the present invention.

[0027] Figure 4 A detailed schematic diagram of the heating resistance wire in a car seat ventilation and heating structure that takes into account the human body microclimate, provided for an embodiment of the present invention;

[0028] Figure 5 A schematic diagram showing the location of a flexible sensor skin in a car seat ventilation and heating structure that takes into account the human microclimate, provided in an embodiment of the present invention.

[0029] Figure 6 This is a schematic diagram of the installation of a rotating column in a car seat ventilation and heating structure that takes into account the human body microclimate, as provided in an embodiment of the present invention.

[0030] In the attached diagram: 1-Seat shell; 2-Porous media layer; 3-Microclimate conditioning layer; 4-Drying strip; 5-Flexible sensor skin; 6-Servo motor; 7-Air duct hole; 8-Air duct plate; 9-Seat blower; 10-Rotating column; 11-Conveyor belt hole; 12-Conveyor belt; 13-Heating resistance wire; 14-Rotating hole. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0032] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0033] like Figures 1-5 As shown, an embodiment of the present invention provides a car seat ventilation and heating structure that takes into account the human body microclimate, including a seat shell 1, wherein a porous dielectric layer 2 is disposed on the side wall of the seat shell 1; and further comprising:

[0034] The flexible sensor skin 5, which covers the exterior of the seat shell 1, is used to collect real-time data on human skin temperature and contact humidity.

[0035] A ventilation module installed inside the seat housing 1 is used for seat ventilation;

[0036] A microclimate regulating layer 3 is arranged on the side wall of the seat shell 1 in an interlaced manner with the porous medium layer 2. The microclimate regulating layer 3 includes a servo motor 6 and two rotating columns 10. The output end of the servo motor 6 is connected to any one of the rotating columns 10. A conveyor belt 12 is connected between the two rotating columns 10. A drying adhesive strip 4 and a heating resistance wire 13 are fixedly connected to the conveyor belt 12. The conveyor belt 12 is also provided with conveyor belt holes 11, and the conveyor belt holes 11 avoid the arrangement positions of the drying adhesive strip 4 and the heating resistance wire 13.

[0037] The control module is used to receive data collected by the flexible sensor skin 5 and control the ventilation module and the microclimate regulation layer 3 according to the collected data.

[0038] like Figure 2 As shown, in a preferred embodiment of the present invention, the ventilation module includes a seat blower 9 installed inside the seat shell 1. An air duct plate 8 is connected to the air outlet of the seat blower 9. The air duct plate 8 has a plurality of air duct holes 7 on the side facing the porous medium layer 2 and the microclimate conditioning layer 3.

[0039] In the embodiment of the present invention, during use, the start and stop of the seat blower 9 are controlled by the control module. The air blown by the seat blower 9 evenly blows towards the porous medium layer 2 and the microclimate adjustment layer 3 through the air duct holes 7 on the air duct plate 8, and then blows towards the back of the driver through the porous medium layer 2 and the conveyor belt holes 11 on the conveyor belt 12.

[0040] As a preferred embodiment of the present invention, the flexible sensor skin 5 is internally provided with a temperature sensor and a humidity sensor; both the temperature sensor and the humidity sensor are electrically connected to the control module.

[0041] In the embodiment of the present invention, during use, the control module automatically controls the servo motor 6 to switch the conveyor belt functional area according to the data collected by the temperature sensor and the humidity sensor in real time for the human skin temperature and contact humidity data, and can also control the operating parameters of the seat blower 9 and the heating resistance wire 13.

[0042] As a preferred embodiment of the present invention, both the conveyor belt 12 and the drying rubber strip 4 are made of high-temperature resistant flexible materials, and the high-temperature resistant flexible materials can withstand a temperature environment of 45°C - 85°C and maintain structural integrity and flexible deformation ability within the temperature range.

[0043] As Figure 6 shown, as a preferred embodiment of the present invention, the top of the rotating column 10 is installed in the rotating hole 14 provided in the upper part of the seat housing 1, and the servo motor 6 is installed at the bottom of the seat housing 1 and connected to the bottom end of the rotating column 10.

[0044] Working principle: When the flexible sensor skin 5 detects that the temperature T ≤ 32°C and the relative humidity RH ≤ 45% during the operation of the automotive seat ventilation and heating structure, the heating mode is activated; the control module controls the seat blower 9 to turn off, and the servo motor 6 drives the conveyor belt 12 to rotate the heating resistance wire 13 to the human contact side and locks it in position; the heating resistance wire 13 is activated, and when T rises to 35°C, the power is reduced for heat preservation, and the mode is automatically turned off after five minutes of heat preservation or can be manually turned off at any time.

[0045] When the flexible sensor skin 5 detects that the temperature 35°C < T ≤ 36°C and the relative humidity 50% ≤ RH < 60%, the ventilation mode is activated; the control module controls the heating resistance wire 13 to cut off the power, and the servo motor 6 drives the conveyor belt 12 to rotate the heating resistance wire 13 to the human contact side and locks it in position (at this time, the conveyor belt holes 11 are facing the driver's back); the seat blower starts at medium speed (0.5 m / s), when RH drops to 53%, it switches to low speed (0.3 m / s), and when 46% ≤ RH ≤ 48%, it switches to the sleep gear (0.1 m / s), and the sleep gear is automatically turned off after five minutes or can be manually turned off at any time.

[0046] When the flexible sensor skin 5 detects that the temperature T > 36°C and the relative humidity RH ≥ 60%, the sweating mode is activated; the control module controls the servo motor 6 to drive the conveyor belt 12 to turn the dry rubber strip 4 to the human contact side and lock it in position; the seat blower 9 starts at high speed (0.8 m / s), maintains high speed when T > 37°C, and switches to medium speed when 36°C < T ≤ 37°C; when T ≤ 36°C and RH < 60%, the mode is switched to the ventilation mode.

[0047] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A car seat ventilation and heating structure considering human microclimate, comprising a seat shell, characterized in that, A porous medium layer is provided on the side wall of the seat shell; further included are: A flexible sensor skin covering the outside of the seat shell, for collecting human skin temperature and contact humidity data in real time; A ventilation module installed inside the seat shell, for performing seat ventilation; A microclimate regulation layer, the microclimate regulation layer and the porous medium layer are arranged on the side wall of the seat shell in an interspersed form, the microclimate regulation layer includes a servo motor and two rotating columns, the output end of the servo motor is connected to any one of the rotating columns, a conveyor belt is connected between the two rotating columns, a drying rubber strip and a heating resistance wire are fixedly connected to the conveyor belt, conveyor belt holes are also arranged on the conveyor belt, and the conveyor belt holes avoid the arrangement positions of the drying rubber strip and the heating resistance wire; A control module, the control module is used to receive the data collected by the flexible sensor skin, and control the ventilation module and the microclimate regulation layer according to the collected data; When the flexible sensor skin detects that the temperature T ≤ 32°C and the relative humidity RH ≤ 45%, the heating mode is started; the control module controls the seat blower to turn off, and the servo motor drives the conveyor belt to turn the heating resistance wire to the human contact side and lock it in position; the heating resistance wire is started, and when T rises to 35°C, the power is reduced for heat preservation, and the heating mode is automatically turned off after five minutes of heat preservation, or the heating mode can be manually turned off at any time; When the flexible sensor skin detects that the temperature 35°C < T ≤ 36°C and the relative humidity 50% ≤ RH < 60%, the ventilation mode is started; the control module controls the heating resistance wire to be powered off, and the servo motor drives the conveyor belt to turn the heating resistance wire to the human contact side and lock it in position; the seat blower is started to medium speed, when RH drops to 53%, it turns to low speed, and when 46% ≤ RH ≤ 48%, it turns to the sleep gear, and the ventilation mode is automatically turned off after five minutes in the sleep gear, or the ventilation mode can be manually turned off at any time; When the flexible sensor skin detects that the temperature T > 36°C and the relative humidity RH ≥ 60%, the sweating mode is started; the control module controls the servo motor to drive the conveyor belt to turn the drying rubber strip to the human contact side and lock it in position; the seat blower is started to high speed, it maintains high speed when T > 37°C, and turns to medium speed when 36°C < T ≤ 37°C; when T ≤ 36°C and RH < 60%, the mode is switched to the ventilation mode.

2. The automobile seat ventilation and heating structure considering human body microclimate according to claim 1, characterized by, The ventilation module includes a seat blower installed inside the seat shell, an air duct plate is connected to the air outlet of the seat blower, and a plurality of air duct holes are provided on one side of the air duct plate facing the porous medium layer and the microclimate regulation layer.

3. The automobile seat ventilation and heating structure considering human body microclimate according to claim 1, characterized by, The flexible sensor skin is internally provided with a temperature sensor and a humidity sensor; both the temperature sensor and the humidity sensor are electrically connected to the control module.

4. The automobile seat ventilation and heating structure considering human body microclimate according to claim 1, wherein Both the conveyor belt and the drying rubber strip are made of high-temperature resistant flexible materials, and the high-temperature resistant flexible materials can withstand a temperature environment of 45°C - 85°C, and maintain structural integrity and flexible deformation ability within the temperature range.

5. The automobile seat ventilation and heating structure considering human body microclimate according to claim 1, wherein The high speed of the seat blower is 0.8 m / s, the medium speed is 0.5 m / s, the low speed is 0.3 m / s, and the sleep gear is 0.1 m / s.

6. The automotive seat ventilation and heating structure considering human microclimate according to claim 1, characterized in that, The top of the rotating column is installed in a rotating hole provided on the upper part of the seat shell, and the servo motor is installed at the bottom of the seat shell and connected to the bottom end of the rotating column.

Images