Seat ventilation device and automobile seat

Abstract

The utility model relates to a seat ventilation device and an automobile seat, the seat ventilation device comprises at least one fan, the fan is provided with a first airflow port and a second airflow port, and air is sucked in through the first airflow port and blown out from the second airflow port; the air guide part is arranged on the seat and is respectively communicated with the seat surface and the first airflow port; the seat further comprises an air distribution part, the air distribution part is communicated with the second airflow opening, and the air distribution part is provided with an exhaust opening facing the front end of the seat and used for ventilating legs or feet of a passenger. When the draught fan is in a working state, air is sucked into the first airflow opening from the seat cushion through the air guide part and then blown out from the second airflow opening through the draught fan, and air suction type ventilation of the seat is achieved; and the air blown out of the second airflow port is blown to the leg or foot area of a passenger in front of the seat through the air distribution part, so that the leg or foot area of the passenger is ventilated in a blowing manner. Ventilation of leg or foot areas of passengers can be achieved, secondary utilization of wind energy is achieved, and energy loss is reduced.

Description

Technical Field

[0001] This application relates to the technical field of seat ventilation, and particularly to a seat ventilation device and an automotive seat. Background Art

[0002] With the continuous development of automotive technology, users are spending more and more time inside the vehicle, and the concept of regarding the car as a home is gradually being recognized by people. How to create a more comfortable driving and riding environment inside the vehicle, especially how to effectively create a cool environment for the contact area between the human body and the automotive seat in the hot summer, is an issue that people are paying more and more attention to.

[0003] In recent years, comfort systems using seat air conditioning and ventilation devices as high-end applications of vehicle comfort technology have gradually been recognized by the market. Through the fan power module inside the vehicle body, direct blowing or suction is applied to the ventilation circuit inside the seat. Its active seat cooling or heating and ventilation can bring a more direct and rapid driving and riding comfort to the passengers.

[0004] Taking the traditional suction-type ventilation seat as an example, the air in the environment enters the suction fan through multiple ventilation holes in the seat foam. Driven by the rotation of the suction fan impeller, the gas is discharged through the exhaust port, realizing the air exchange on the occupant side seat surface, so as to facilitate the sweating of the occupant's body and keep the occupant's body fresh. However, it often happens that the air exchange effect in the occupant's leg and foot areas is poor, and the ventilation experience in the occupant's leg and foot areas is not good. In actual use, the vehicle air conditioning system is usually used to cool the cabin to improve the ventilation experience in the occupant's leg and foot areas, but such a method will result in higher energy consumption and serious energy loss. Summary of the Utility Model

[0005] To solve some or all of the above technical problems, this application provides a seat ventilation device and an automotive seat.

[0006] According to a first aspect of the present utility model, there is provided a seat ventilation device, which includes at least one blower. The blower has a first air flow port and a second air flow port, and air is inhaled through the first air flow port and blown out through the second air flow port; a wind guiding part arranged on the seat, which is respectively communicated with the seat surface and the first air flow port; and a air distribution part, which is communicated with the second air flow port. The air distribution part has an air outlet facing the front end of the seat for ventilating the occupant's leg or foot area; when the blower is in the working state, air is inhaled from the seat cushion through the wind guiding part into the first air flow port, and then blown out through the second air flow port after passing through the blower, realizing the ventilation in the form of seat suction; and the air blown out through the second air flow port is blown towards the occupant's leg or foot area in front of the seat through the air distribution part, realizing the ventilation in the form of blowing to the occupant's leg or foot area on the occupant side of the seat.

[0007] Further, the air distribution part includes at least one exhaust air pipeline, the exhaust air pipeline is communicated with the second air outlet, and one end of the exhaust air pipeline far away from the second air outlet extends to a position close to the leg or foot area of the occupant. The air blown out through the second air outlet blows towards the leg or foot area of the occupant in front of the seat through the exhaust air pipeline, realizing ventilation in the form of blowing air to the leg or foot area on the occupant side of the seat.

[0008] Further, the air distribution part further includes a connecting pipeline, the connecting pipeline is arranged between the exhaust air pipeline and the blower, one end of the connecting pipeline is communicated with the second air outlet, and the other end is communicated with the exhaust air pipeline; the connecting pipeline and the exhaust air pipeline can be integrally formed, or can be connected by plugging, clamping or through fasteners.

[0009] Further, the exhaust air pipeline can be configured to at least include a part of corrugated pipe section, and the corrugated pipe section is configured to: the exhaust air direction of the exhaust port can be adjusted by adjusting the bending direction of the corrugated pipe section.

[0010] Further, a wind dispersing part is also arranged at the exhaust port. The air blown out through the exhaust air pipeline blows to the wind dispersing part, and the air is dispersed and blown outwards through the wind dispersing part, so as to expand the ventilation coverage range.

[0011] Further, the wind dispersing part is configured as a wind expanding cover in a horn shape, and a plurality of air guiding plates for guiding the air to be dispersed and discharged are arranged in the wind expanding cover. The air blown out through the exhaust air pipeline blows to the wind expanding cover and is dispersed and blown outwards after being guided and diffused by the air guiding plates.

[0012] Further, a flow dividing and blocking part is arranged at the middle position in the wind expanding cover, and through the flow dividing and blocking part, the air blown out through the wind expanding cover is mainly concentrated in two directions, and these two directions correspond to the left and right leg areas of the occupant.

[0013] Further, a fixing part is also arranged on the exhaust air pipeline, and the exhaust air pipeline is assembled and fixed with the seat frame through the fixing part, and the exhaust air pipeline is reinforced through the fixing part.

[0014] Further, a control part is also installed on the outer side of the wind expanding cover, and the control part is configured to facilitate adjusting the bending direction of the corrugated pipe section to change the exhaust air direction of the exhaust port.

[0015] According to the second aspect of the present invention, an automobile seat is provided, which includes the seat ventilation device as described in the first aspect of the present invention.

[0016] As can be seen from the above technical solutions, in the seat ventilation device described in the first aspect of the present utility model and the vehicle seat described in the second aspect of the present utility model, when the blower is in the working state, air is inhaled from the seat cushion into the first air flow port through the air guiding part, and then discharged from the second air flow port through the blower, realizing the ventilation in the form of air suction of the seat; and the air blown out from the second air flow port is blown towards the leg or foot area of the occupant in front of the seat through the air distribution part, realizing the ventilation in the form of air blowing in the leg or foot area on the occupant side of the seat. At the same time, the secondary utilization of wind energy also reduces energy consumption.

[0017] In addition, the seat ventilation device of the present utility model also has the advantages of simple structure, easy assembly, safe and reliable use, and is convenient for implementation, popularization and application. Description of the Drawings

[0018] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.

[0019] Figure 1 is a schematic structural diagram of the seat ventilation device according to an embodiment of the present utility model;

[0020] Figure 2 is Figure 1 a cross-sectional view of the seat ventilation device in

[0021] Figure 3 is an exploded schematic diagram showing one form of the seat ventilation device;

[0022] Figure 4 is an exploded schematic diagram showing another form of the seat ventilation device;

[0023] Figure 5 is a schematic structural diagram showing different forms of the air diffuser hood;

[0024] Figure 6 is a schematic diagram showing the state when the seat ventilation device blows air to the legs of the occupant;

[0025] Figure 7 is a schematic diagram showing the state when the seat ventilation device blows air to the feet of the occupant.

[0026] Description of the reference numerals: 1, blower; 11, first air flow port; 12, second air flow port; 2, air guiding part; 3, air distribution part; 31, exhaust air pipeline; 32, corrugated pipe section; 33, connecting pipeline; 4, exhaust air port; 5, seat cushion; 6, backrest; 7, air diffuser hood; 71, air guiding plate; 72, flow dividing and blocking part; 8, control part; 9, fixing part. Detailed implementation mode

[0027] The following will further elaborate on this application in conjunction with the attached Figures 1-7 drawings. Embodiment

[0028] As mentioned in the background art, in view of the problems in the prior art, this application proposes a seat ventilation device. The seat ventilation device includes:

[0029] At least one fan 1, the fan 1 has a first air outlet 11 and a second air outlet 12, air is inhaled through the first air outlet 11 and blown out from the second air outlet 12, wherein the number of openings of the second air outlet 12 is not limited to one;

[0030] A wind guiding part 2 arranged on the seat, the wind guiding part 2 is respectively communicated with the seat surface and the first air outlet 11;

[0031] It further includes an air distribution part 3, the air distribution part 3 is communicated with the second air outlet 12, and the air distribution part 3 has an air outlet 4 facing the front end of the seat for ventilating the leg or foot area of the occupant;

[0032] When the fan 1 is in the working state, air is inhaled from the seat cushion 5 through the wind guiding part 2 into the first air outlet 11, and then blown out from the second air outlet 12 through the fan 1, realizing the ventilation in the form of air suction of the seat; and the air blown out from the second air outlet 12 is blown towards the leg or foot area of the occupant in front of the seat through the air distribution part 3, realizing the ventilation in the form of blowing air to the leg or foot area on the occupant side of the seat. At the same time, the wind energy is reused, and the energy loss is also reduced.

[0033] In a preferred embodiment, the fan 1 can be arranged on the seat cushion 5 or on the seat backrest 6. That is, in this embodiment, the air source guiding the air blown towards the leg or foot area of the occupant can be the air (also called "waste air") discharged from the fan 1 during the air suction ventilation of the seat cushion 5, or the air (also called "waste air") discharged from the fan 1 during the air suction ventilation of the seat backrest 6;

[0034] In addition, the specific installation method of the fan 1 on the cushion 5 or the backrest 6 is a conventional technical means in the art. It can be that the fan 1 is assembled and fixed with the seat frame, or the fan 1 is embedded in the foam, but is not limited to the above embodiments; regarding the wind guiding part 2 arranged on the seat, the structure of the wind guiding part 2 can be the ventilation configuration of the air bag and the foam ventilation hole, or the ventilation configuration of the groove and the foam ventilation hole. This part is a conventional technical means in the art and will not be elaborated.

[0035] In a preferred embodiment, the air distribution part 3 includes at least one exhaust air pipeline 31. The exhaust air pipeline 31 is communicated with the second air outlet 12. One end of the exhaust air pipeline 31 away from the second air outlet 12 extends to a position close to the leg or foot area of the occupant. The air blown out through the second air outlet 12 is blown to the leg or foot area in front of the seat by the exhaust air pipeline 31, realizing ventilation in the form of blowing air to the leg or foot area on the occupant side of the seat. Further explanation, the exhaust air pipeline 31 can be configured into two groups or more groups arranged in parallel, with at most two groups being the most preferred. The two exhaust air pipelines 31 can respectively lead to the left and right leg areas of the occupant.

[0036] In a preferred embodiment, the air distribution part 3 further includes a connecting pipeline 33. The connecting pipeline 33 is arranged between the exhaust air pipeline 31 and the blower 1. One end of the connecting pipeline 33 is communicated with the second air outlet 12, and the other end is communicated with the exhaust air pipeline 31. The connecting pipeline 33 and the exhaust air pipeline 31 can be integrally formed, or can be connected by plugging, clamping or through fasteners.

[0037] In a preferred embodiment, the exhaust air pipeline 31 can be configured to at least include a partial corrugated pipe section 32. The corrugated pipe section 32 is configured to adjust the exhaust air direction of the air outlet 4 by adjusting the bending direction of the corrugated pipe section 32, so that the occupant can conveniently adjust the exhaust air direction according to actual needs, in order to ventilate the leg or foot area more pertinently. The corrugated pipe section 32 should consider the bending and folding resistance in terms of model selection, and a memory alloy hose, a stainless steel hose or a POM hose can be adopted, but this implementation manner is not limited thereto.

[0038] In a preferred embodiment, a wind dispersing part is further arranged at the air outlet 4 of the exhaust air pipeline 31. The air blown out through the exhaust air pipeline 31 is blown to the wind dispersing part, and the air is dispersed and blown out through the wind dispersing part, so as to expand the ventilation coverage range.

[0039] In a preferred embodiment, the wind dispersing part is configured as a flaring wind diffuser 7. The air is dispersed and blown out through the wind diffuser 7, so as to expand the ventilation coverage range.

[0040] In a preferred embodiment, a plurality of wind guide plates 71 for guiding the air to be dispersed and discharged are arranged in the wind diffuser 7. The air blown out through the exhaust air pipeline 31 is blown to the wind diffuser 7, and is guided and diffused by the wind guide plates 71 and then dispersed and blown out.

[0041] In a preferred embodiment, a plurality of air guiding plates 71 for guiding the dispersed discharge of air are arranged inside the air diffuser hood 7, and a flow dividing and blocking portion 72 is arranged at the middle position inside the air diffuser hood 7. Through the flow dividing and blocking portion 72, the air blown out through the air diffuser hood 7 is mainly concentrated in two directions, and these two directions correspond to the left and right leg areas of the occupant.

[0042] In a preferred embodiment, the connection relationship between the air diffuser hood 7 and the exhaust air pipeline 31 can be insertion connection, snap connection or connection through fasteners; the connection relationship between the air guiding plate 71 and the air diffuser hood 7 can be insertion connection, snap connection or connection through fasteners, or can be an integrally formed connection between the two.

[0043] In a preferred embodiment, a control member 8 is further installed outside the air diffuser hood 7. The control member 8 is configured to facilitate adjusting the bending direction of the corrugated pipe section 32 to change the exhaust air direction of the air outlet 4; wherein, the control member 8 can be a handle or a hanging ring, but is not limited thereto, and specifically, it is most preferred that the air diffuser hood 7 can be conveniently controlled.

[0044] In a preferred embodiment, a fixing portion 9 is further arranged on the exhaust air pipeline 31. The exhaust air pipeline 31 is assembled and fixed with the seat frame through the fixing portion 9, and the exhaust air pipeline 31 is strengthened through the fixing portion 9; the fixing portion 9 can be configured as a U-shaped clamp or a tension belt, but is not limited thereto. The exhaust air pipeline 31 is assembled and fixed with the seat frame through the U-shaped clamp or the tension belt, and the exhaust air pipeline 31 is strengthened through the U-shaped clamp or the tension belt. Embodiment

[0045] On the basis of Embodiment 1, further, the present application proposes an automotive seat, which includes the seat ventilation device involved in the above embodiment. The seat ventilation device is arranged in the seat backrest 6 and / or the seat cushion 5, and ventilation in the form of blowing air to the leg and foot areas on the occupant side of the seat can be realized through the ventilation device.

[0046] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "vertical" and "horizontal" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0047] In addition, terms such as "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0048] In this application, unless otherwise clearly defined and limited, terms such as "installed", "connected", "joined", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present utility model, and they should all be covered by the scope of the claims and the description of the present utility model. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A seat ventilation device, characterized in that: include: at least one fan (1), the fan (1) having a first air flow opening (11) and a second air flow opening (12), air being sucked in through the first air flow opening (11) and blown out from the second air flow opening (12); An air guide portion (2) disposed on the seat, the air guide portion (2) being in communication with the seat surface and the first air flow opening (11) respectively; It also includes an air distribution portion (3), the air distribution portion (3) is in communication with the second air flow port (12), and the air distribution portion (3) has an air outlet (4) facing the front end of the seat, which is used to ventilate the legs or feet of the occupant; When the fan (1) is in operation, air is sucked into the first air outlet (11) from the seat cushion (5) through the air guide portion (2), and is then blown out from the second air outlet (12) through the fan (1), thereby realizing ventilation of the seat in the form of suction; and the air blown out through the second air outlet (12) is blown toward the leg or foot area of ​​the occupant in front of the seat through the air distribution portion (3), thereby realizing ventilation of the leg or foot area on the side of the seat occupant in the form of blowing.

2. The seat ventilation device according to claim 1, characterized in that: The air distribution section (3) comprises at least one exhaust duct (31), the exhaust duct (31) being connected to the second air flow port (12), and one end of the exhaust duct (31) away from the second air flow port (12) extending to a position close to the leg or foot area of ​​the occupant, and the air blown out through the second air flow port (12) is blown through the exhaust duct (31) to the leg or foot area of ​​the occupant in front of the seat, thereby achieving ventilation in the form of blowing air to the leg or foot area on the occupant's side of the seat.

3. The seat ventilation device according to claim 2, characterized in that: The air distribution section (3) further comprises a connecting pipeline (33), wherein the connecting pipeline (33) is arranged between the exhaust pipeline (31) and the fan (1), wherein one end of the connecting pipeline (33) is connected to the second air flow outlet (12), and the other end is connected to the exhaust pipeline (31); the connection relationship between the connecting pipeline (33) and the exhaust pipeline (31) is an integrally formed connection, or a plug-in connection, or a snap-on connection, or a connection via a fastener.

4. The seat ventilation device according to claim 2 or 3, characterized in that: The exhaust duct (31) may be configured to include at least a portion of a bellows section (32), and the bellows section (32) may be configured such that the exhaust direction of the exhaust port (4) may be adjusted by adjusting the bending direction of the bellows section (32).

5. The seat ventilation device according to claim 4, characterized in that: The air outlet (4) is also provided with an air dispersion portion, and the air blown out through the air exhaust pipeline (31) is blown to the air dispersion portion, and the air is dispersed and blown out outwards through the air dispersion portion, thereby expanding the air blowing coverage area.

6. The seat ventilation device according to claim 5, characterized in that: The air dispersion portion is configured as a trumpet-shaped air diffusion cover (7), and a plurality of air guide plates (71) for guiding air to be dispersed and discharged are arranged inside the air diffusion cover (7). The air blown out through the exhaust duct (31) is blown to the air diffusion cover (7), and is diffused and guided by the air guide plates (71) before being dispersed and blown out.

7. The seat ventilation device according to claim 6, characterized in that: A flow dividing barrier (72) is provided at the middle position of the air diffuser cover, and the flow dividing barrier (72) allows the wind blown out through the air diffuser cover (7) to be mainly concentrated in two directions, and the two directions correspond to the left and right leg areas of the occupant.

8. The seat ventilation device according to claim 2, characterized in that: The exhaust duct (31) is also provided with a fixing portion (9), and the exhaust duct (31) is assembled and fixed to the seat frame via the fixing portion (9), and the exhaust duct (31) is reinforced via the fixing portion (9).

9. The seat ventilation device according to claim 6 or 7, characterized in that: A control member (8) is also installed on the outside of the air diffuser cover (7), and the control member (8) is configured to facilitate adjustment of the bending direction of the corrugated pipe section (32) to change the exhaust direction of the exhaust port (4).

10. A car seat, characterized in that: Comprising a seat ventilation device as described in any one of claims 1-9.

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