Vehicle ventilation system
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- TOYOTA BOSHOKU KK
- Filing Date
- 2013-12-13
- Publication Date
- 2026-07-23
AI Technical Summary
In vehicles with on-vehicle secondary batteries, the ventilation ducts for cooling and venting the battery are often long, occupying significant trunk space and compromising airtightness, leading to potential leaks and discomfort for occupants due to escaping exhaust gas.
A ventilation structure that utilizes the space between the mounting parts of the trunk, such as underfloor storage boxes and the vehicle body, to create a vent path that directs exhaust air towards the rear surface of the seat backrest, minimizing leaks and ensuring airtightness.
The solution effectively channels exhaust air away from the occupants, maintaining trunk space utilization and preventing discomfort by ensuring minimal leakage, while providing a simple and efficient ventilation system.
Smart Images
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Abstract
Description
AREA OF INVENTION
[0001] The present disclosure relates to a vehicle ventilation arrangement. BACKGROUND OF THE INVENTION
[0002] A known vehicle with an onboard battery as an energy source, such as a hybrid or electric vehicle, features a battery temperature control system that regulates the temperature of the battery pack by blowing air onto it. The air blown onto the battery must be cooled and then vented. For this purpose, a vent is provided in the vehicle's trunk. This vent extends from the trunk to the outside, thus expelling the exhaust air from the battery and out of the vehicle.
[0003] An example of such vehicles is described in Japanese patent publication no. 2010-149647.
[0004] In a configuration where exhaust air from the accumulator is expelled from the vehicle to the outside, a long vent duct may be required. If the vent duct is long, it occupies a significant portion of the trunk space, thus reducing the usable trunk area. This is undesirable. A configuration where the space between trunk mounting components (e.g., an underfloor storage box and the vehicle body) is configured as part of a vent path (rather than a vent duct) to reduce the duct length.
[0005] If the space between the trunk's mounting components is used as part of the ventilation path, the airtightness of the ventilation path is lower compared to a dedicated ventilation duct. Ventilation or exhaust gases can escape from an unexpected part of the ventilation path, such as the space between mounting components.
[0006] The escaping exhaust fumes can cause discomfort to the vehicle's occupants. For example, cold air may be drawn towards the occupants by the escaping exhaust, making them feel unwell. Similarly, if a spare tire in the trunk is exposed to the exhaust fumes, the occupants may feel uncomfortable due to the odor emanating from the tire. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Fig. Figure 1 is a perspective view of a rear section of a vehicle with a vehicle ventilation system according to a first embodiment.
[0008] Fig. Figure 2 is a cross-sectional view of the vehicle, illustrating a schematic layout of a trunk.
[0009] Fig. Figure 3 is a perspective view of a ventilation duct and an underfloor box.
[0010] Fig. Figure 4 is a perspective view of the ventilation duct and the underbody box in Fig. 3 without a privacy screen.
[0011] Fig. Figure 5 is a top view of the ventilation duct and the underbody box.
[0012] Fig. Figure 6 is an enlarged view of a front section of the underbody box. Fig. 5.
[0013] Fig. Figure 7 is a cross-sectional view of the vehicle around the front section of the underbody box along line AA in Fig. 6.
[0014] Fig. Figure 8 is a cross-sectional view of the vehicle around the front section of the underbody box along line BB in Fig. 6.
[0015] Fig. Figure 9 is a cross-sectional view of the vehicle around the front section of the underbody box according to a second embodiment. DETAILED DESCRIPTION OF THE PREFERRED EXAMPLES First example of implementation
[0016] A first embodiment is described with reference to the Fig. 1 to Fig. 8 described.
[0017] A vehicle 10 is an electric vehicle or a hybrid vehicle in which a battery is used 11 is installed in the vehicle 10 are front seats (not illustrated) and rear seats 15 installed (see Fig. 1).
[0018] Each back seat 15 (a vehicle seat) includes a seat cushion 15A and a backrest 15BThe seat cushion 15A includes a seating surface on which a vehicle occupant sits. 10 sits. The backrest 15B It supports the occupant's back and lower back. The backrest 15B extends upwards from a rear section of the seat surface of the seat cushion 15A .
[0019] The back seat 15 includes a reclining mechanism (not illustrated) for adjusting the angle of the backrest 15B A large number of the rear seats 15 (two in this embodiment) is in the width direction of the vehicle 10 in a passenger compartment of the vehicle 10 arranged.
[0020] In this embodiment, the seat cushions 15A the rear seats 15 interconnected. Angle of the backrests 15B the rear seats 15 are independently adjustable. The backrest 15B of the left rear seat 15is in Fig. 1 not illustrated.
[0021] The one in the vehicle 10 installed accumulator 11 includes two accumulators. As in Fig. As illustrated in 2, one of the accumulators is on a base plate. 12 under the seat cushion 15A the rear seat located on the left 15 arranged. The other accumulator is on the base plate. 12 under the seat cushion 15A the rear seat 14 Arranged on the right. Each accumulator is a composite accumulator with a multitude of cells (unit cells) connected together. The accumulator is covered with a metal cover.
[0022] Examples of cells used in the battery include lead-acid cells, nickel-cadmium cells, and nickel-hydrogen cells. The battery configuration and type are not limited to the above and can be modified accordingly.
[0023] As described above, the vehicle includes 10 installed accumulator 11 two batteries located under the corresponding rear seats 15 are arranged. In the following description, the accumulator arranged on the left is referred to as the left accumulator. 11A designated, and the accumulator located on the right is called the right accumulator. 11B designated.
[0024] A trunk 13 (The trunk of the vehicle) is behind the rear seats. 15 Provided. A schematic configuration of the trunk. 13 is in Fig. 2 illustrated. The base plate 12has a deeper section 12A a section that is recessed downwards and open upwards. The recessed section 12A It can hold a spare wheel.
[0025] As in Fig. As illustrated in 1, these are underfloor storage boxes. 17A , 17B and 30 , which can hold items in the trunk 13 provided. As in Fig. As illustrated in Figure 2, the underfloor storage boxes are located. 17A ( 17B ) and 30 above the spare wheel 14 The underfloor storage boxes 17A , 17B and 30 are in the top view around the spare wheel 14 arranged.
[0026] In particular, the underfloor storage boxes 17A and 17B on the right rear side and the left rear side of the trunk 13 arranged. The underfloor storage box 30is on the front of the trunk 13 arranged. As in the Fig. 1 and Fig. As illustrated in section 2, the underfloor storage box is located. 30 approximately at the same level as the lower end section of the backrest 15B .
[0027] The underfloor storage box 30 It has an opening on the top and an inside of the underfloor storage box. 30 is a storage recess 31 The underfloor storage box 30 can store items in the storage recess 31 record the underfloor storage box. 17A has an opening at the top, and the inside of the underfloor storage box 17A is a storage recess 18A The underfloor storage box 17B It has an opening at the top and an inside of the underfloor storage box. 17B is a storage recess 18B .
[0028] As in Fig. Figure 2 illustrates two cover plates. 19 and 20 in the front-to-rear direction of the vehicle (in the left-to-right direction in Fig. 2) in the trunk 13 arranged. The cover plate 19 , which is closer to the rear of the vehicle than the other cover plate 20 It is arranged above the underfloor storage boxes. 17A and 17B placed.
[0029] The cover plate 20 is arranged in such a way as to accommodate the underfloor storage box 30 to cover, and is through a section of the underfloor storage box 30 around the opening of it.
[0030] The vehicle 10 includes a venting system for venting or removing air used to cool the accumulators 11A and 11B is used in the trunk 13 . Next, the ventilation system will be described in detail.
[0031] The venting system is designed to vent air used to cool the accumulators. 11A and 11B is used in the trunk 13 over a space between the front edge of the cover plate 20 and the backrests 15B The ventilation system includes air ducts. 25A and 25B , as well as ventilation lines that run through front end sections of the underfloor storage box 30 , Front end sections of the cover plate 20 and other parts of the vehicle 10 are defined.
[0032] As in Fig. As illustrated in section 3, the underfloor storage box includes 30 two sections running in the width direction of the vehicle 10 are arranged. The following description refers to the section of the underfloor storage box. 30 to the left as a left box mounting part 30A designated, and the section on the right is referred to as a right box mounting part.30B designated.
[0033] Main sections of the venting system for venting the air used to cool the accumulator. 11A The system used includes the vent duct. 25A and a vent line that runs through the front end section of the left box mounting part. 30A and the front end section of the cover plate 20 is defined. Main sections of the venting system for venting air from the accumulator. 11B include the vent duct 25B as well as a vent line that runs through the front end section of the right box mounting part. 30B and the front end section of the cover plate 20 is defined.
[0034] The sections of the venting system relating to the accumulator 11A and the sections of the venting setup with respect to the accumulator 11B with the exception of the ventilation ducts 25A and 25B, which are symmetrical, have the same configurations. Therefore, mainly the sections of the venting setup with respect to the accumulator are considered. 11A described in the following description.
[0035] As in the Fig. 2 and Fig. As illustrated in section 3, this is the vent channel. 25A further towards the rear of the vehicle 10 than the accumulator 11A arranged. The ventilation duct 25A It has a channel inlet at one of its ends (a first end). The channel inlet opens towards the accumulator. 11A .
[0036] As in Fig. As illustrated in point 2, the ventilation duct extends 25A in the front-to-rear direction of the vehicle 10 , so that it is inclined towards the upper rear of the vehicle. The upper end (a second end) of the ventilation duct 25A opens towards the top of the vehicle10 The opening of the vent duct 25A There is a duct outlet at the upper end. 27 with a rectangular shape.
[0037] As in the Fig. 3 and Fig. As illustrated in section 4, the left box assembly part includes 30A a box main body 32 and a cover plate holder 40 The main body of the box 32 includes a recess and a front horizontal wall 33 , which extend horizontally towards the front of the vehicle 10 from an upper edge of a front wall of the storage recess 31 extends. It is not necessary that the front horizontal wall 33 It is perfectly horizontal. The cover plate holder 40 is with the front horizontal wall 33 coupled.
[0038] The front horizontal wall 33 of the main box body 32(The front end section of the underfloor storage box) has a long dimension in the right-left direction of the vehicle. 10 up. The front horizontal wall 33 is positioned in such a way as to direct the channel outlet 27 to cover from above. On a section of the front horizontal wall. 33 , which is connected to the canal outlet 27 overlapping, is a rectangular through-hole that runs in the top-bottom direction of the vehicle. 10 extends, provided.
[0039] The vent duct 25A has a flange 28 around the canal outlet 27 at the upper end (the second end) of it. As in the Fig. 4 and Fig. As illustrated in figure 7, this is a sealing element. 28A with a rectangular frame-like shape on the upper surface of the flange 28 arranged.
[0040] The flange 28 is at a hole edge section 33Bthe front horizontal wall 33 around the through hole 33A about the sealing element 28A attached. Specifically, the hole edge section. 33B as a flange holding section for holding the flange 28 configured.
[0041] The cover plate holder 40 is in a front section of the underfloor storage box 30 included. As in the Fig. 3 and Fig. As illustrated in section 7, the cover plate holder extends 40 in the horizontal direction and has a long dimension in the width direction of the vehicle 10 up. The cover plate holder 40 It opens downwards. The cover plate holder 40 is above the canal outlet 27 and the through hole 33A arranged to direct the channel outlet 27 and the through hole 33A to be covered from above. The cover plate holder 40is a part used to define a box section R2 of the vent pipe together with the front horizontal wall 33 is used.
[0042] As in Fig. As illustrated in figure 7, the cover plate holder includes 40 an upper wall 41 , a back wall 42 and a front wall 43 The upper wall 41 is horizontal across the duct outlet 27 and the through hole 33A arranged. The back wall 42 is a vertical wall that extends from the rear edge of the upper wall 41 extends downwards. It is not necessary that the back wall 42 It is perfectly vertical. The front wall 43 extends from the front edge of the upper wall 41 Downwards. The back wall 42 defines the front end of the storage recess. 31together with the front wall of the recess of the main box body 32 .
[0043] The front horizontal wall 33 (a lower wall) is below the upper wall 41 the cover plate holder 40 and opposite to the upper wall 41 arranged. Box section R2 is separated by the upper wall. 41 , the back wall 42 , the front wall 43 and the front horizontal wall 33 defined.
[0044] As in Fig. As illustrated in section 8, the upper wall includes 41 an assembly advantage 41A , which is in the direction of the front horizontal wall 33 from the lower surface of the upper wall 41 stands out. The mounting advantage 41A It has a stopper on one of its side walls. The front horizontal wall 33 includes an overhang 34 , which in one area corresponds to the assembly advantage41A protrudes upwards. 34 has a through hole 34A in the upper wall of it. The mounting projection 41A runs through the through hole 34A , until it stops. If the assembly protrusion 41A When it stops, the stopper of the mounting projection becomes 41A against the edge of the through hole 34A held from below.
[0045] The front edge of the cover plate 20 is on the upper surface of the upper wall 41 the cover plate holder 40 placed. Specifically, the upper wall 41 as a retaining wall to support the cover plate 20 Configured from below. The back wall 42 the cover plate holder 40 is formed by the upper surface of the front horizontal wall 33 supported at its lower edge.
[0046] The front wall 43 the cover plate holder 40is formed by the upper surface of the front horizontal wall 33 supported at its lower edge. As in Fig. Figure 7 illustrates a rib. 45 on the inner surfaces of the cover plate holder 40 Provided. The rib 45 extends the entire length of the front wall 43 , the upper wall 41 and the back wall 42 The rib 45 is for reinforcing the cover plate holder 40 provided.
[0047] The front wall 43 is opposite to the rear surface 15C (a surface on the rear side inside the vehicle) of the backrest 15B arranged. As in Fig. As illustrated in section 3, the front wall 43 Box ventilation outlets 43A (Ventilation outlets located in the underfloor storage box) 30 are formed) with a rectangular shape. As in Fig. As illustrated in Figure 8, each box vent outlet is located 43A opposite to the rear surface 15C the backrest 15B , namely it opens towards the front of the vehicle 10 .
[0048] The box vent outlet 43A is configured in such a way that a grid 43B in the box ventilation outlet 43A located. In particular, there are numerous through-holes in the front wall. 43 formed so that the grid 43B in the box ventilation outlet 43A is located. With the grid 43B It is less likely that foreign objects will get inside the cover plate holder. 40 via the box ventilation outlet 43A enter.
[0049] The box section R2 is configured to draw air from the vent duct. 25A through the through hole 33A(an inlet of box section R2) to take in, and the air from the box vent outlet 43A to expel or vent. With this configuration, the fluid flows out of the duct outlet. 27 of the ventilation duct 25A Air extracted through the through-hole 33A and the box section R2. The air then exits from the box vent outlet. 43A out of.
[0050] As in the Fig. 5 and Fig. As illustrated in Figure 6, the box ventilation outlets are located. 43A more at the front of the vehicle 10 (more on the underside in the Fig. 5 and Fig. 6) as the canal outlet 27 . Two of the box vent outlets 43A are in the front wall 43 provided.
[0051] The box ventilation outlets 43A are located side by side along the width of the vehicle 10 (the horizontal direction in the Fig. 5 and Fig. 6). One of the box vent outlets 43A is from the corresponding duct vent outlet 27 towards one side of the vehicle 10 offset. The other box vent outlet is from the corresponding duct vent outlet 27 towards the other side of the vehicle 10 displaced.
[0052] The rear surfaces 15C the backrests 15B opposite to the box vent outlets 43A are through seat covers 16 The seat cover is covered accordingly. 16 It can be made of synthetic plastic, skin such as cowhide (genuine leather), woven fabric, textile composites, or other materials. The material of the seat cover 16 can be selected accordingly.
[0053] Each seat cover 16 includes an extension section 21 , extending from the lower edge of the rear surface15C the backrest 15B extends (an element positioned between the rear surface of the backrest and the front wall). As in Fig. As illustrated in section 8, the extension section extends 21 from the lower edge of the backrest 155 to a front end section of the front horizontal wall 33 (the end that is closer to the front end of the vehicle) 10 (located), with a depression. Specifically, the extension section is... 21 from the front end section of the front horizontal wall 33 towards the lower edge of the lower surface 15C draped. A distal or remote end of the extension segment. 21 (one end of the part located between the rear surface of the backrest and the front wall) is connected to the front end section of the front horizontal wall 33 with a fixing element, such as a bolt22 , fixed.
[0054] The vent line, which runs between the rear surface 15C the backrest 15B and the box ventilation outlet 43A The facility comprises a first room section R3 and a second room section R4. The first room section R3 is separated by a front section of the cover plate. 20 , the front wall 43 and the front horizontal wall 33 The second space section R4 is defined as a space between a front end of the first space section R3 and the rear surface. 15C the backrest 15B The extension section 21 The second room section R4 is covered from below. Specifically, the lower end of the second room section R4 is defined by the extension section. 21 defined. It is less likely that the ventilation air or objects in the second compartment R4 will enter the space under the rear seat. 15 roll.
[0055] The lower edge of the rear surface 15C the backrest 15B , which is in the upright position, is located further down than the front horizontal wall 33 Therefore, the extension section is located 21 , extending from the lower edge of the rear surface 15C to the front horizontal wall 33 extends further down than the box ventilation outlet 43A A space defined by the rear surface 15C the backrest 15B and the extension section 21 defined as a lower section of space 21A designated.
[0056] The base end of the extension section 21 In this embodiment, the movement is accompanied by the movement of the backrest. 15B If the backrest 15B The base end of the extension section is located where it is tilted forwards. 21at a position higher than the front horizontal wall 33 If the backrest 15B The base end of the extension section is located in the upright position. 21 at a position lower than the front horizontal wall 33 With this configuration, the extension section causes interference. 21 not the movement of the backrest 15B . In the Fig. 7 and Fig. 8 are the extension section 21 and the backrest 15B illustrated with a double-dashed line when the backrest 15B is tilted forwards.
[0057] Each box vent outlet 43A is located below the cover plate 20 and closer to the rear of the vehicle 10 than the front edge of the cover plate 20 The front edge of the cover plate 20 is from the rear surface 15C the backrest 15Bseparated by a gap S2.
[0058] The vent duct 25A (a channel section R1) and the box section R2 form a first venting path H1 to direct the air used to cool the accumulator. 11A is used in the direction of the rear surface 15C the backrest 15B The first room section R3 and the second room section R4 form a second ventilation path H2 to direct the air coming from the box ventilation outlet. 43A exits, into the trunk 13 The venting setup provides a venting path that includes the first venting path H1 and the second venting path H2.
[0059] Next, the mechanism of the venting setup with respect to the accumulator will be described. 11A described. Air is supplied by a (not illustrated) blowing device, such as one located in the vehicle. 10 installed fan, in the direction of the accumulator 11Ablown, and the air cools the accumulator. 11A down. The air is then directed into the ventilation duct. 25A through the canal inlet 26 of the ventilation duct 25A drawn in. This airflow is indicated by an arrow F1 in Fig. 2 indicated.
[0060] The air drawn into the ventilation duct 25A (of the channel section R1) is inserted into the cover plate holder 40 (the box section R2) through the duct outlet 27 and the through hole 33A This airflow is indicated by arrow F2 in Fig. 7 is given.
[0061] The ones in the cover plate holder 40 The drawn-in air is expelled through the two box ventilation outlets. 43A expelled. This airflow is indicated by arrow F3 in Fig. 6 is indicated. The air is drawn in through the box ventilation outlets. 43A towards the rear surface 15C guided.
[0062] In this embodiment, the first venting path H1 is for expelling the air used to cool the accumulator. 11A is used in the direction of the rear surface 15C the backrest 15B The first venting path H1 is provided by the duct section R1 and the box section R2.
[0063] The ones from the box vent outlets 43A (Outlets of the first vent line) expelled air passes through a first room section R3, which is covered by the cover plate 20 and the front horizontal wall 33 is defined, and then enters the second room section R4, which is defined by the backrest 15B and the underfloor storage box 30 is defined.
[0064] The floor of the second room section R4, which is located between the backrest 15B and the underfloor storage box 30 is located through the extension section 21defined. Therefore, the air entering the second room section R4 flows upwards without flowing downwards. As a consequence, the air from the box ventilation outlets flows out. 43A discharged air through the gap S2 between the front edge of the cover plate 20 and the rear surface 15C the backrest 15B , and enters the trunk (especially a space above the cover plate). 20 behind the backrest 15B ) one. This airflow is indicated by arrow F4 in Fig. 8 is indicated.
[0065] In this embodiment, the second venting path H2 is for directing the air from the box vent outlets. 43A in the trunk 13 provided (for directing air from the box ventilation outlets) 43A to the gap S2). The second venting path H2 is through the first room section R3, which is through the cover plate. 20 and the front horizontal wall 33is defined, and the second room section R4, which is defined by the backrest 15B , the underfloor storage box 30 and the extension section 21 is defined, provided.
[0066] The second vent path H2 is located between the box vent outlets. 43A and the rear surface 15C the backrest 15B The first end of the second vent path H2 leads from the box vent outlets. 43A further, and the second end of it is the gap S2 (a second vent outlet, which is an outlet of the second vent line).
[0067] As described above, the venting path, which includes the first venting path H1 and the second venting path H2, is for directing the air used to cool the accumulator. 11A is used to access the first vent path H1, to the box vent outlet. 43A, to the second ventilation path H2, to the box ventilation outlets 43A and then into the trunk 13 provided.
[0068] Next, the effects of this embodiment will be described. According to this embodiment, the air from the box ventilation outlets is... 43A towards the rear surface 15C the backrest 15B ejected. With this configuration, it is less likely that the cooling effect on the accumulator will occur. 11A Used air escapes from unexpected sections. Furthermore, part of the vent line for the accumulator is damaged. 11A through the front section of the underfloor storage box 30 (the cover plate holder 40 and the front horizontal wall 33 ) defined. Therefore, the venting setup is provided with a simple configuration.
[0069] The front horizontal wall 33the underfloor storage box 30 is above the duct vent outlet 27 arranged so that the front horizontal wall 33 the duct vent outlet 27 It covers the duct vent from above. With this configuration, the duct vent outlet is covered. 27 through the underfloor storage box 30 hidden, and therefore inaccessible to an occupant of the vehicle 10 Invisible from above.
[0070] The front section of the underfloor storage box 30 encompasses the back wall 42 , the upper wall 41 and the front wall 43 The back wall 42 defines a section of the storage recess 31 The upper wall 41 extends from the upper edge of the rear wall 42 towards the front of the vehicle 10 , and supports the cover plate 20 , which are in the trunk 13 is arranged from below. The front wall 43, extending from the front edge of the upper wall 41 extending downwards is opposite to the rear surface 15C the backrest 15B arranged. Box section R2 is separated by the rear wall. 42 , the upper wall 41 and the front wall 43 defined. The box ventilation outlets 43A are through holes that extend the entire way through the front wall 43 extend.
[0071] By providing the vent line with the box section R2, which passes through the upper wall 41 is defined as a retaining wall to hold the cover plate 20 If this is the case, the configuration of the vent line can be simplified.
[0072] The front section of the underfloor storage box 30 includes the front horizontal wall 33 , which are below and opposite to the upper wall 41The box section R2 is arranged by the upper wall. 41 and the front horizontal wall 33 defined. The distal or remote end of the extension segment. 21 , extending from the lower edge of the rear surface 15C the backrest 15B extends to the front end section of the front horizontal wall 33 fixed.
[0073] With this configuration, the space between the underfloor storage box can be used 30 and the backrest 15B with the extension section 21 The doors can be closed. Therefore, it is less likely that objects will fall into the room.
[0074] The vent duct 25A points to the flange 28 at the second end of it. The front horizontal wall 33 indicates the through hole 33A on, which is the inlet of box section R2. The hole edge section 33B around the through hole33A is a flange holding section for holding the flange 28 configured.
[0075] With the configuration in which the flange 28 through the hole edge section 33B If held, the vent channel can 25A correctly with the front horizontal wall 33 They are connected. As a result, channel section R1 and box section R2 are correctly connected.
[0076] The extension section 21 It is located below the box ventilation outlets. 43A .
[0077] With this configuration, it is less likely that objects falling into the lower section of the room will... 21A have fallen and in the extension section 21 to be recorded, at the level of the box ventilation outlets 43S Therefore, it is less likely that the items will block the box's ventilation outlets. 43A block.
[0078] The ventilation system includes the lower section of the room. 21A , which are through the rear surface 15C the backrest 15B and the extension section 21 is defined. The lower room section 21A It is located further down than the first room section R3.
[0079] With this configuration, items that go into the lower section of the room 21A have fallen, in the lower section of the room 21A held.
[0080] The extension section 21 is part of the seat cover 16 , which extends from the rear surface 15C the backrest 15B extends.
[0081] With this configuration, it is not necessary for an additional part to define a portion of the lower end of the vent line. Therefore, the vent assembly can be provided with a simple configuration. Furthermore, because the seat cover 16a designed part, and the extension section 21 If it is part of the designed section, a good appearance can be achieved.
[0082] The cover plate 20 is in the trunk 13 arranged. The box ventilation outlets 43A are below the cover plate 20 and on to the rear of the vehicle 10 than the front edge of the cover plate 20 arranged.
[0083] With this configuration, air flows out of the box ventilation outlets. 43A exits, under the cover plate 20 The cover plate is blocking it. 20 an upward flow of air.
[0084] The one used to cool down the accumulator 11A The air used is drawn from the second vent outlet, which is the gap S2 between the front edge of the cover plate. 20 and the backrest 15B the rear seat 15is, ejected and into the trunk 13 directed. With this configuration, it is less likely that the cooling of the accumulator will be affected. 11A Used air escapes from unexpected sections.
[0085] With the configuration, in which air from the second vent outlet, which is the gap S2 between the front edge of the cover plate 20 and the backrest 15B When the air is vented, the vented air passes through the backrest. 15B blocked. Therefore, it is less likely that the vented or expelled air will flow towards an occupant of the vehicle. 10 flows.
[0086] The gap S2 between the front edge of the cover plate 20 and the backrest 15B the rear seat 15 is configured as the second vent outlet. With this configuration, a distance from the accumulator is possible. 11AThe distance to the second vent outlet (gap S2) is relatively short. No additional parts are required to configure the second vent outlet. Therefore, the venting setup can be provided with a simple configuration.
[0087] The box ventilation outlets 43A open towards the rear surface 15C the backrest 15B Specifically, the box ventilation outlets open. 43A towards the front of the vehicle 10 .
[0088] With this configuration, expelled air flows from the box ventilation outlets. 43A into the second room section R4 (the second ventilation path H2). When the vented air reaches the rear surface 15C the backrest 15B When it hits the air, the flow velocity decreases. Therefore, the expelled or vented air does not flow over the rear seat. 15 and reaches the occupant side.
[0089] The vent duct 25A includes the canal inlet 26 at the first end and the canal outlet 27 at the second end. The canal outlet 27 opens upwards. The box vent outlet 43A is from the duct vent outlet 27 towards one side of the vehicle 10 displaced.
[0090] With this configuration, the exhaust air from the duct vent outlet hits 27 an area of the front wall 43 , in which the box ventilation outlet 43A is not provided. Compared to a configuration where the duct vent outlet is 27 and the box vent outlet 43A regarding the front-to-rear direction of the vehicle 10 If they are aligned in a line, the volume flow rate of the vented air coming from the duct vent outlet can be increased. 27 towards the front of the vehicle 10via the vent outlet 43A The flow rate can be reduced. Specifically, the volume flow rate of the exhaust air from the box's ventilation outlet can be reduced. 43A towards the rear surface 15C the backrest 15B be reduced. Second embodiment
[0091] A second embodiment is described with reference to Fig. 9. The same components as those in the first embodiment are designated with the same symbols and are not described. This embodiment comprises an underfloor storage box. 130 with a box mounting part 130A , which has a different configuration of the box mounting part 30A exhibits.
[0092] As in Fig. As illustrated in section 9, the box assembly part includes 130A a box main body 132 with a front section 133, which points in the direction of the rear-to-front of the vehicle 10 slopes down. The front or front section 133 includes a sloping section 133A , which is located more at the front of the vehicle 10 located as the box ventilation outlets 43A .
[0093] The front section 133 defines a lower edge of the box vent outlet 43A Because the front section 133 slopes downwards and the sloping section 133A , which is located more at the front of the vehicle 10 located as the box vent outlet 43A , sloping downwards, it is less likely that objects attached to the sloping section will 133A fall down, moving towards the box vent outlet 43A move (towards the rear of the vehicle) 10 ).
[0094] In this embodiment, the extension section 21The first embodiment is not provided. Instead of the extension section 21 is an extension section 121 , which extends from the front edge of the sloping section 133A to the rear surface 15C the backrest 15B The extension section (an element positioned between the rear surface of the backrest and the front wall) is provided. 121 defines the lower end of the second space section R4, which is located between the rear surface 15C the backrest 15B and the box ventilation outlets 43A This configuration makes it less likely that the vented air or objects in the second compartment R4 will enter a space under the rear seat. 15 roll. Effects
[0095] According to a first aspect, the vehicle ventilation system comprises a vent duct and a vent line. The vent duct is located behind the accumulator, with an inlet at one end opposite the accumulator and an outlet at the other end facing upwards. The vent line receives vent gas from the vent duct and carries it away from the accumulator. The vent line includes a box section connected to the outlet of the vent duct and defined by surfaces of a front section of the underfloor storage box located above the outlet of the vent duct. One of the surfaces of the front section of the underfloor storage box faces a rear surface of a seat backrest and has a through-hole opening towards the front of the vehicle.
[0096] With this configuration, the gas is vented towards the rear surface of the backrest through the through-hole in the surface facing that surface. Therefore, it is less likely that the gas used to cool the accumulator will escape from unexpected areas. Furthermore, a section of the venting assembly is defined by the surfaces of the front section of the underfloor storage box. The venting assembly can be implemented with a simple configuration.
[0097] The front section of the underfloor storage box can be positioned above the outlet of the ventilation duct. Because the outlet of the ventilation duct is covered by the front section, it is not noticeable to a vehicle occupant.
[0098] According to a second aspect, the box section of the vent pipe can be defined by the surfaces of a rear wall, an upper wall, and a front wall of a cover plate bracket of the underfloor storage box, which supports the cover plate from below. The cover plate bracket is part of the front section of the underfloor storage box. The rear wall extends upward at a front end of a storage recess in the underfloor storage box. The upper wall extends from an upper edge of the rear wall toward the front of the vehicle. The front wall extends downward from a front edge of the upper wall. The front wall includes the surface with the through-hole.
[0099] By defining the box section of the vent line by the upper surface of the cover plate bracket that supports the cover plate, the configuration of the vent assembly can be further simplified.
[0100] According to a third aspect, the box section of the vent line can further be defined by the upper surface of a horizontal wall of the front section of the underfloor storage box. This horizontal wall extends from the front end of the storage recess towards the front of the vehicle and is located below the upper wall of the cover plate bracket.
[0101] According to a fourth aspect, the box section of the vent pipe can be connected to the outlet of the vent duct via a through-hole in the horizontal wall. The vent duct can have a flange around its outlet at the other end. The flange is held against a section of the horizontal wall surrounding the through-hole.
[0102] With the configuration in which the flange is held against the section of the horizontal wall around the through-hole, the box section remains securely connected to the outlet of the vent duct.
[0103] According to a fifth aspect, the venting duct may include a space section defined by an upper surface of a front end section of the horizontal wall in the front of the front wall of the cover plate holder, the rear surface of the backrest, and an element located between the rear surface of the backrest and the front wall.
[0104] With this configuration, the gas vented from the through-hole in the front wall of the cover plate bracket is directed towards the rear surface of the backrest and then towards the trunk.
[0105] According to a sixth aspect, the venting duct may comprise a spatial section defined by an upper surface of a front end section of the horizontal wall in the front of the front wall of the cover plate holder, the rear surface of the backrest, and a portion of a seat cover extending from a lower end section of the backrest, with a distal or remote end of it being fixed to the upper surface of the front end section of the horizontal wall.
[0106] With this configuration, the space between the cover box and the backrest is closed off at one end by part of the seat cover. Objects are less likely to fall beyond this point.
[0107] According to a seventh aspect, the space section can further be defined by a lower surface of a front section of the cover plate, which is located further towards the front of the vehicle than the front wall of the cover plate bracket and opposite to the upper surface of the front end section of the horizontal wall.
[0108] With this configuration of the space section, the gas vented from the through-hole in the front wall of the cover plate bracket is directed under the cover plate, making it less likely that the gas will flow upwards after exiting the through-hole.
[0109] According to an eighth aspect, the vent line may have an opening between a front surface of the cover plate and a section of the rear surface of the backrest opposite to the front surface of the cover plate.
[0110] With this configuration, the exhaust gas is blocked by the backrest, and therefore it is less likely that the exhaust gas will flow towards the front of the vehicle.
[0111] According to a ninth aspect, a rear end of the box section can be closed by the rear wall of the cover plate bracket and the horizontal wall of the front end section of the underfloor storage box.
[0112] With this configuration, it is less likely that the gas will leak or escape towards the rear of the vehicle.
[0113] According to a tenth aspect, the vent assembly can further include a sealing element attached to a lower surface of the horizontal wall of the front section of the underfloor storage box around the through-hole therein. The upper surface of the vent duct flange is held against the section of the horizontal wall above the sealing element.
[0114] With this configuration, it is less likely that a gap will form between the horizontal wall and the flange of the vent channel. Therefore, it is less likely that gas will escape or leak between the horizontal wall and the flange.
[0115] According to an eleventh aspect, the venting duct may include a space section defined by an upper surface of a front end section of the horizontal wall in front of the front wall of the cover plate bracket, the rear surface of the backrest, and an extension section of the front section of the underfloor storage box extending from a front edge of the horizontal wall to the rear surface of the backrest.
[0116] With this configuration, the space between the cover box and the backrest is closed off at one end by the extension section. Objects are less likely to fall beyond the extension section.
[0117] According to a twelfth aspect, part of the space section can be defined by the extension section that slopes downwards.
[0118] With this configuration, if objects fall onto the extension section, it is less likely that these objects will move towards the through-hole in the front wall of the cover plate bracket (the rear of the vehicle).
[0119] According to a thirteenth aspect, part of the room section can be defined by the upper surface of the front end section of the horizontal wall, which slopes downwards.
[0120] With this configuration, if objects fall onto the horizontal wall, it is less likely that the objects will move towards the through-hole in the front wall of the cover plate bracket (the rear of the vehicle).
[0121] According to a fourteenth aspect, part of the box section can be defined by the front wall, which continues to include a grid in the through-hole.
[0122] With this configuration, it is less likely that objects or foreign matter will enter the cover plate holder.
[0123] According to a fifteenth aspect, a method for venting gas used to cool an accumulator located under a seat in a vehicle may be provided into a trunk of the vehicle behind the seat, which has an underfloor storage box located under a cover plate. The method comprises: directing the gas from the accumulator to a front section of the underfloor storage box; directing the gas into a space between the cover plate and the front section of the underfloor storage box through a through-hole in the front section; directing the gas from the space toward a front of the vehicle; directing the gas upward with respect to a rear surface of a seat backrest; and venting the gas into the trunk through a gap between the rear surface of the backrest and a front surface of the cover plate, opposite to the rear surface of the backrest.
[0124] According to the technologies described here, it is less likely that the gas used to cool the accumulator will escape from unexpected sections. Further examples of implementation
[0125] The technology described here is not limited to the embodiments described in the preceding description and drawings. The technology described here may include the following embodiments. (1) The ventilation assembly can be installed in a two-seater vehicle that has only one front row of seats (driver's seat and front passenger seat). The rear seats in the above embodiment can be used on the front seats in the two-seater vehicle. (2) The box vent outlets 43A can be used with the front edge of the cover plate 20 regarding the front-to-rear direction of the vehicle 10 be aligned. (3) The front horizontal wall 33 of the main box body 32 The first embodiment can be viewed from the rear-to-front direction of the vehicle. 10 be tilted downwards. (4) The shape of the vent duct 25A or the direction in which the vent duct runs 25A The length of the vent can be modified if necessary. For example, part of the vent can be extended. 25A in the horizontal direction (the width direction) of the vehicle 10 extend.
[0126] A vehicle ventilation system is used to vent gas, which is used to cool an accumulator located under a seat in a vehicle, into a trunk located behind the seat and containing an underfloor storage box located under a cover plate. The vehicle ventilation system comprises a vent duct and a vent line. The vent duct is located behind the accumulator, with an inlet at one end opposite the accumulator and an outlet at the other end pointing upwards. The vent line receives the vent gas from the vent duct and carries it away from the accumulator.The vent line comprises a box section connected to the vent duct outlet and defined by surfaces of a front section of the underfloor storage box located above the vent duct outlet. One of the surfaces of the front section of the underfloor storage box faces a rear surface of a seat backrest and has a through-hole opening towards the front of the vehicle. With this configuration, the gas is vented towards the rear surface of the seat backrest through the through-hole of the surface facing that surface. Therefore, it is less likely that the gas used to cool the accumulator will escape from unexpected sections. Furthermore, a section of the vent assembly is defined by the surfaces of the front section of the underfloor storage box.The venting setup can be provided with a simple configuration. QUOTES INCLUDED IN THE DESCRIPTION
[0127] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature
[0128] JP 2010-149647
[0003]
Claims
[1] Vehicle ventilation assembly for venting gas used to cool an accumulator located under a seat in a vehicle into a trunk of the vehicle located behind the seat and comprising an underfloor storage box located under a cover plate, wherein the vehicle ventilation assembly comprises: a vent channel located behind the accumulator, wherein an inlet is situated at a first end opposite the accumulator and an outlet is situated at a second end pointing upwards; and a vent line which receives exhaust gas from the vent channel in order to direct the vent gas away from the accumulator, wherein the vent line comprises a box section which is connected to the outlet of the vent channel and is defined by surfaces of a front section of the underfloor storage box which is arranged above the outlet of the vent channel, wherein one of the surfaces of the front section of the underfloor storage box faces a rear surface of a seat backrest and has a through-hole which opens towards a front of the vehicle. [2] Vehicle ventilation assembly according to claim 1, wherein the box section of the ventilation duct is defined by the surfaces of a rear wall, an upper wall and a front wall of a cover plate holder of the underfloor storage box for supporting the cover plate from below, wherein the cover plate holder is part of the front section of the underfloor storage box, the rear wall extends upwards at a front end of a storage recess of the underfloor storage box, the upper wall extends from an upper edge of the rear wall towards the front of the vehicle, the front wall extends downwards from a front edge of the front wall, and the front wall includes the surface with the through-hole. [3] Vehicle ventilation assembly according to claim 2, wherein the box section of the ventilation line is further defined by an upper surface of a horizontal wall of the front section of the underfloor storage box, the horizontal wall extending from the front end of the storage recess towards the front of the vehicle and being located below the upper wall of the cover plate holder. [4] Vehicle ventilation assembly according to claim 3, wherein the box section of the vent pipe is connected to the outlet of the vent duct via a through hole in the horizontal wall, and The vent duct has a flange around its outlet at the second end, the flange being held against a section of the horizontal wall around the through-hole. [5] Vehicle ventilation assembly according to claim 3 or 4, wherein the ventilation duct comprises a space section defined by an upper surface of a front end section of the horizontal wall in front of the front wall of the cover plate holder, the rear surface of the backrest and an element arranged between the rear surface of the backrest and the front wall. [6] Vehicle ventilation assembly according to one of claims 3 to 5, wherein the ventilation duct comprises a space section defined by an upper surface of a front end section of the horizontal wall in front of the front wall of the cover plate holder, the rear surface of the backrest and a part of a seat cover extending from a lower end section of the backrest, wherein a distal end thereof is fixed to the upper surface of the front end section of the horizontal wall. [7] Vehicle ventilation assembly according to claim 6, wherein the space section is further defined by a lower surface of a front section of the cover plate, which is located further towards the front of the vehicle than the front wall of the cover plate holder, and opposite the upper surface of the front end section of the horizontal wall. [8] Vehicle ventilation assembly according to claim 6 or 7, wherein the ventilation line has an opening between a front surface of the cover plate and a section of the rear surface of the backrest opposite to the front surface of the cover plate. [9] Vehicle ventilation assembly according to one of claims 3 to 8, wherein a rear end of the box section is closed by the rear wall of the cover plate holder and the horizontal wall of the front end section of the underfloor storage box. [10] Vehicle ventilation assembly according to claim 4, further comprising a sealing element attached to a lower surface of the horizontal wall of the front section of the underfloor storage box around the through-hole therein, wherein an upper surface of the flange of the ventilation duct is held against the section of the horizontal wall over the sealing element.