WO2013065669A1 - 着座センサ - Google Patents
着座センサ Download PDFInfo
- Publication number
- WO2013065669A1 WO2013065669A1 PCT/JP2012/077991 JP2012077991W WO2013065669A1 WO 2013065669 A1 WO2013065669 A1 WO 2013065669A1 JP 2012077991 W JP2012077991 W JP 2012077991W WO 2013065669 A1 WO2013065669 A1 WO 2013065669A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pad member
- seating
- hole
- detection
- concave groove
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 88
- 238000003780 insertion Methods 0.000 claims abstract description 48
- 230000037431 insertion Effects 0.000 claims abstract description 48
- 238000005452 bending Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 19
- 239000012528 membrane Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- -1 polyethylene naphthalate Polymers 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
- B60N2/0264—Non-manual adjustments, e.g. with electrical operation with logic circuits characterised by the type of electrical connection, e.g. wiring, plugs or USB
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
- B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
- B60N2/003—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat
- B60N2/0033—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat mounted on or in the foam cushion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/58—Seat coverings
- B60N2/5816—Seat coverings attachments thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2210/00—Sensor types, e.g. for passenger detection systems or for controlling seats
- B60N2210/40—Force or pressure sensors
- B60N2210/46—Electric switches
Definitions
- the present invention relates to a seating sensor that is installed on a vehicle seat and detects a seating load of an occupant.
- the seating sensor includes a first film formed in a straight line, a second film formed in the same shape as the first film, and disposed opposite to the first film, and the first film and the second film.
- the conductive electrode in the conductive portion that is disposed in the conductive layer and is connected to the end of the first film and the second film and is connected to the pressure sensitive switch through the conductive electrode is described.
- this seating sensor is arranged on the seat surface so as to be oriented obliquely with respect to the vehicle front-rear direction and the vehicle left-right direction, when the occupant is seated in the correct posture, the seat sensor is placed on the portion (hip point) that contacts the occupant's buttocks It is described that two pressure sensitive switches are arranged.
- a seating cushion is provided with a hole in a seat cushion, and a tail part (insertion part) and a connector part (external output part) are connected to the pad member of the seat cushion from the provided hole. It is described that it is arranged on the back side of the.
- the seating sensor has a concave groove shape. (See FIG. 17).
- an insertion portion 82 and a connector portion 84 are disposed on the back side of the pad member 4 via the rear end or the lateral end of the seat cushion 80 ( As shown in FIG. 17 or Patent Document 2, a punch hole is provided in the seat cushion, and the insertion portion and the connector portion (external output portion) are arranged on the back side of the pad member of the seat cushion through the provided punch hole. .
- the distance between the detection unit provided with the pressure sensitive switch and the connector unit becomes long, and the seating sensor cannot route the conduction unit 85 in the shortest path. Since the seating sensor is disposed over the concave groove 86, stress on the film forming the conductive portion 85 is easily concentrated in the concave groove 86, and the film is easily broken when the passenger is seated. There was a problem of becoming.
- Patent Document 2 As shown in FIG. 18, a hole 90 is made at the hip point and the connector portion 94 of the membrane switch 92 is inserted.
- the periphery of the punch hole 90 is greatly compressed and deformed downward, and the reaction force supporting the detector 96 escapes. Therefore, the detector disposed near the periphery of the punch hole 90 There was a problem that 96 pressure sensitive sensors could not detect the load accurately.
- the present invention has been made in view of the conventional problems, and when the seating sensor is disposed on the vehicle seat cushion, the connector portion and the detection portion including the pressure sensitive switch are routed through the shortest path.
- An object of the present invention is to provide a seating sensor capable of preventing a film from being broken and being easily disconnected when seated on an occupant and capable of accurately detecting a load.
- the structural feature of the invention according to claim 1 is that the seating side surface of the pad member for a vehicle seat having a recessed groove formed with a wire formed to be recessed and in which a wire for fixing the skin member is routed.
- a flexible apparatus comprising: an external output unit that outputs a load signal detected by the detection unit; and a conduction unit that conducts between the plurality of detection units and between the detection unit and the external output unit.
- the conductive portion has an insertion portion that is provided in the concave groove and is inserted into a through hole that penetrates the pad member to the back side, and is in contact with the seating side surface. Bent and intersect with the groove And a second bent portion that is bent so as to be in contact with the seating side surface and is arranged in the opposite direction across the concave groove.
- the external output unit is provided at a distal end of the insertion unit, and the detection unit includes a first detection unit connected to the first bending unit, and a second detection unit connected to the second bending unit. , Has.
- the conductive portion includes a proximal conductive portion that protrudes at a right angle from the first detection portion side of the insertion portion and continues to the second bent portion.
- the base end conducting portion is accommodated and supported in the concave groove along the concave groove when the insertion portion is inserted into the punched hole.
- the structural feature of the invention according to claim 3 is that, in claim 1 or 2, the insertion portion is held by an elastic member that is formed following the shape of the hole and inserted into the hole. .
- the structural feature of the invention according to claim 4 is that the seating of the pad member is between the seating side surface of the pad member for a vehicle seat and the skin member mounted on the pad member so as to cover the seating side surface.
- a plurality of detection units that contact the side surface and detect load information on the pad member, an external output unit that outputs a load signal detected by the detection unit, and between the detection units and the detection unit And a conducting part that conducts between the external output part and a flexible film-like seating sensor, wherein the conducting part is provided at a seating load acting part of the pad member, and An insertion portion that is inserted into a hole that penetrates the pad member to the back side, the external output portion is provided at a distal end portion of the insertion portion, and the insertion portion is formed following the shape of the hole; Elastic member inserted into the hole It is to be held.
- the two detection portions are disposed in opposite directions with the concave groove in the vehicle pad member, and the external output portion provided at the distal end portion of the insertion portion is provided in the concave groove. It is inserted into the punched hole and disposed on the back side of the pad member.
- the detection unit for detecting the load needs to be arranged around the hip point where the load of the occupant is applied. On the other hand, the groove is often provided at the hip point from the viewpoint of sitting comfort and the like.
- the detection part is arranged at the hip point as in the past, and the external output part is arranged on the back side of the pad member through the through hole provided at the rear of the seat cushion or via the rear end of the seat cushion, The length of the conduction part between the detection part and the external output part becomes long.
- the first detection unit and the second detection unit are arranged across the concave groove at the hip point, and the insertion portion in which the external output unit is provided at the tip of the punched hole provided in the concave groove Is inserted and disposed on the back side of the pad member, so that the conduction portion between the detection portion and the external output portion can be set to the shortest length.
- the entire product can be downsized to improve yield and reduce costs.
- the pad member when the occupant is seated, the pad member is pressed by the occupant's hips and is compressed and deformed, so that a downward force acts on the insertion portion, so the insertion portion can escape to the back side of the punched hole.
- the conductive part is not bent by the deformation of the concave groove. Therefore, it is possible to prevent disconnection due to the bending of the conductive portion disposed in the concave groove when the occupant is seated.
- the conducting portion has a proximal end conducting portion that projects perpendicularly from the first detecting portion side of the insertion portion and continues to the second bent portion. Since the proximal end conducting portion protrudes at a right angle with respect to the insertion portion, when the insertion portion is inserted into the punched hole, the proximal end conducting portion is very well accommodated in the concave groove extending at a right angle with respect to the punched hole. As a result, the first detector connected to the first bent portion and the second detector connected to the second bent portion can detect the load with high accuracy without deviating from a predetermined detection position on the pad member. it can.
- an elastic member that follows the shape of the hole is inserted into the hole provided in the groove. Therefore, when the occupant is seated, the recessed groove portion provided with the punched hole is not deformed by depression due to stress concentration based on the occupant load. As a result, the load can be detected with high accuracy even in the detection portion disposed in the vicinity of the concave groove, and it is possible to prevent the seated occupant from feeling uncomfortable due to the load escape.
- the pad member is pressed and compressed by the occupant's hip, the deformation amount of the peripheral edge of the punch hole is reduced by the elastic member inserted into the punch hole, so that the conductive portion is bent due to the deformation of the concave groove and the punch hole. It is suppressed. Therefore, it is possible to prevent disconnection due to the bending of the conductive portion disposed in the concave groove when the occupant is seated.
- the elastic member having a shape following the shape of the hole is inserted in the hole provided in the portion where the seating load of the pad member acts and into which the insertion part is inserted.
- the elastic member that follows the shape of the punched hole is inserted into the punched hole, and even when the occupant is seated, it occurs in the surface portion of the punched hole and the peripheral edge of the punched hole and the surface portion of the other pad member.
- the repulsive force is uniform, and stress does not concentrate on the peripheral edge of the punched hole, so that no significant deformation occurs. Therefore, it is possible to detect the load with high accuracy even in the detection unit disposed around the punch hole where the seating load acts. In addition, it is possible to prevent the seated passenger from feeling uncomfortable due to load escape.
- Sectional drawing which shows the state by which the insertion part of the seating sensor was inserted in the hollow provided in the ditch
- FIG. 1 is a perspective view of a seat cushion 2 of a vehicle seat for a single seat.
- the seat cushion 2 includes a pad member 4 made of urethane or the like, and a cloth (or leather, etc.) skin member 6 that is mounted so as to cover the seating side surface of the pad member 4. ing.
- a through hole 12 that penetrates from the upper surface to the lower surface of the pad member 4 is formed.
- a wire 9 for locking the skin member 6 (see FIG. 1) with a latch member (not shown) is disposed in the pad member 4 below the concave groove 8 so as to extend in the left-right direction of the seat cushion. .
- a portion of the wire 9 corresponding to the punched hole 12 is bent in the horizontal direction so as to avoid the punched hole 12.
- the seating sensor 10 includes a membrane switch 19 formed by superposing the paired first film 14 and second film 16 via an insulating spacer 18 as a separation member. Consists mainly of.
- the membrane switch 19 includes a first detection unit 22 and a second detection unit 24 that are formed in a flexible film shape, and each of which includes two pressure-sensitive switches 20. . Electrical connection between the first detection unit 22 and the second detection unit 24, between the first detection unit 22 and an external output unit (described later), and between the second detection unit 24 and the external output unit is performed electrically. It is connected to the.
- the conducting portion 25 is bent to form the first bent portion 26, and the first detection portion 22 is provided on the distal end side of the first bent portion 26.
- An insertion portion 31 is formed in the lower conductive portion 25 in FIG. 4 from the first bent portion 26, and the distal end portion of the insertion portion 31 is connected to the external output portion 28.
- the external output unit 28 outputs a load detected by the pressure sensitive switch 20, and an output electrode is formed.
- a connector 29 is connected to the external output unit 28 to constitute a connector unit 30.
- the connector unit 30 is connected to an unillustrated ECU (Electronic Control Unit) that determines the seating state of the occupant.
- ECU Electronic Control Unit
- a proximal end conducting portion 32a is provided that protrudes at a right angle in the short-side direction from an intermediate portion on the first detection portion 22 side of the insertion portion 31, and a second bent portion 32 that is further projected at a right angle from the proximal end conducting portion 32a is provided.
- the second detection unit 24 is provided on the tip side portion of the second bent portion 32.
- the first film 14 is made of, for example, PEN (polyethylene naphthalate) with a thickness of 0.1 mm, and as shown in FIG. 6, in the first detection unit 22 and the second detection unit 24, the positive and negative of the connector unit 30.
- Switch wirings 34 that are electrically connected to the electrodes are formed substantially in parallel by printing or the like.
- a portion corresponding to the pressure-sensitive switch 20 of the first film 14 is formed wide, and a pair of circular contact / separation portions 36 each connected to one switch wiring 34 is formed by printing or the like in the wide formed portion. Has been.
- the insulating spacer 18 is made of, for example, 0.15 mm PET (polyethylene terephthalate), and as shown in FIG. 7, circular through holes 38 penetrating in the thickness direction are provided in portions corresponding to the contact / separation portions 36. Yes.
- the second film 16 is formed in the same shape as the first film 14, and a circular contact / separation portion 40 made of a conductive material is formed by printing or the like at a portion corresponding to the contact / separation portion 36. Has been.
- the first film 14, the second film 16, and the insulating spacer 18 are overlapped by, for example, an adhesive or ultrasonic welding to constitute a pressure sensitive switch 20.
- each through hole 38 contacts / separates the contact / separation part 36 of the first film 14 and the contact / separation part 40 of the second film 16 by laminating and adhering films or the like.
- a space to be formed is formed.
- a circular contact / separation part (lower electrode) 36 disposed on the first film 14 and a circular contact / separation part (upper electrode) 40 disposed on the second film 16 sandwich the through hole 38.
- the first detection unit 22 and the second detection unit 24 are each composed of a set of pressure-sensitive switches 20 including two pressure-sensitive switches 20 in series, and the first detection unit 22 and the second detection unit 24. Is arranged in parallel with the switch wiring 34, so that when the two pressure sensitive switches 20 in series in each of the detection units 22, 24 are turned on, current flows in the detection units 22, 24. ing.
- the insertion portion 31 of the membrane switch 19 is inserted into the punched hole 12 provided in the concave groove 8 of the pad member 4, and the connector portion 30 is fixed to a frame (not shown) on the back surface of the seat cushion 2. Is done.
- the insertion portion 31 of the membrane switch 19 is provided in the concave groove 8 of the pad member 4 as shown in FIG. 10.
- the connector portion 30 is inserted into the punched hole 12 and fixed on the back surface of the seat cushion 2.
- the first detection unit 22 and the second detection unit 24 are arranged in opposite directions with the concave groove 8 interposed therebetween.
- the proximal end conduction portion 32 a is located with respect to the insertion portion 31. Therefore, the base end conducting portion 32a is very well accommodated in the concave groove 8 along the concave groove 8 and is well accommodated.
- the membrane switch 19 When the occupant is seated, as shown in FIG. 11, the membrane switch 19 is pressed downward by the occupant's hip 44, but the insertion portion 31 of the conducting portion 25 inserted into the puncture hole 12 12 can escape. Therefore, bending of the conduction part 25 can be prevented.
- both of the pressure sensitive switches 20 in the first detection unit 22 or both of the pressure sensitive switches 20 in the second detection unit 24 are simultaneously turned on (all the pressure sensitive switches 20. (Including when the switch is simultaneously turned ON), a current flows through the switch wiring 34 and a seating detection signal is output. For this reason, it is possible to prevent an occupant load from being detected by a load having a small area in contact with the load, and when the ECU determines that the person sitting on the seat cushion 2 is based on the seating detection signal based on the current. For example, the operation of the air bag device is enabled, or a warning that the seat belt is not worn is issued.
- the first detection unit 22 and the second detection unit 24 are disposed in opposite directions to the vehicle pad member 4 with the concave groove 8 interposed therebetween, and the distal end of the insertion unit 31.
- the external output portion 28 provided in the portion is inserted into the punched hole 12 provided in the concave groove 8 and disposed on the back side of the pad member 4.
- Detecting units 22 and 24 for detecting the load need to be arranged around the hip point where the occupant's load is applied.
- the concave groove 8 is often provided at the hip point from the viewpoint of sitting comfort and the like.
- the detection unit is arranged at the hip point, and the external output unit is arranged on the back side of the pad member through the through hole provided at the rear of the seat cushion 2 or through the rear end of the seat cushion 2. If it is provided, the length of the conduction part between the detection part and the external output part becomes long.
- the first detection unit 22 and the second detection unit 24 are disposed across the concave groove 8 at the hip point, and an external output unit is provided at the tip of the punched hole 12 provided in the concave groove 8. Since the insertion part 31 provided with 28 is inserted and disposed on the back side of the pad member 4, the conduction part 25 between the detection parts 22 and 24 and the external output part 28 can be set to the shortest length. As a result, the entire product can be downsized to improve yield and reduce costs.
- the insertion member 31 is subjected to a downward force as the pad member 4 is pressed and compressed and deformed by the occupant's hip 44. 31 can escape to the back side of the punched hole 12, and the conductive portion 25 is not bent by the deformation of the concave groove 8. Therefore, it is possible to prevent disconnection of the switch wiring 34 due to bending of the conductive portion 25 disposed in the concave groove 8 when the occupant is seated.
- Example 2 Next, a second embodiment in which the seating sensor according to the present invention is applied to a vehicle seat will be described with reference to FIG.
- the punched hole 52 is provided in a portion (hip point) where the seating load acts on the rear portion of the seat cushion 54 rather than the portion provided with the concave groove (not shown).
- the switch 56 has a linear belt shape, and the first detector 58 and the second detector 60 are arranged in series.
- the punch hole 52 has a shape that follows the punch hole shape and is the same material as the pad member 4.
- the elastic member 62 formed of (for example, urethane material) is inserted and held. Since these points are different from the first embodiment in configuration, and the other points are the same in configuration, description thereof will be omitted.
- an outer skin member 64 and an S spring 66 horizontally mounted on a seat bottom frame are displayed.
- the elastic member 62 having a shape following the shape of the hole 52 is inserted into the hole 52 into which the insertion portion 31 is inserted.
- stress based on the occupant load is concentrated in the punch hole 52 and the peripheral portion of the punch hole 52 is depressed and the load escapes. Therefore, the detection unit disposed around the punch hole 52
- accurate load detection was not possible.
- the elastic member 62 that follows the shape of the hole 52 is inserted and held in the hole 52, and even when an occupant is seated, as shown in FIG.
- the load 60 detects the load in a state where it is arranged on a flat surface formed by the pad member 4 and the elastic member 62 throughout (the reaction force of the pad member 4 and the elastic member 62 with respect to the load is uniform). Therefore, the load can be detected with high accuracy even in the detection portions 58 and 60 disposed around the punched hole 52 where the seating load acts. In addition, it is possible to prevent the seated passenger from feeling uncomfortable due to load escape.
- an elastic member 72 which is shaped like the shape of the hole 12 and is made of the same material as the pad member 4, is inserted and held in the hole 12 formed in the groove 8. Since the configuration is different from that of the first embodiment and the other points are the same, description thereof is omitted.
- the elastic member 72 following the shape of the hole 12 is inserted into the hole 12 provided in the concave groove 8. Therefore, when the occupant is seated, the concave groove 8 portion in which the punched hole 12 is provided is not deformed by a stress concentration based on the occupant load. Even if the pad member 4 is pressed and compressed and deformed by the occupant's hip 44, the amount of deformation is reduced by the elastic member 62 inserted into the punched hole 12. Accordingly, the load can be detected with high accuracy even in the detection units 22 and 24 disposed in the vicinity of the concave groove 8, and it is possible to prevent the seated occupant from feeling uncomfortable due to the load escape.
- the outer shape of the elastic member is merely to follow the shape of the punched hole.
- the present invention is not limited to this.
- the elastic member 74 which provided the through-hole 76 in which a part) is slidably inserted, and provided the notch
- FIG. In this case, when the occupant is seated, even if the seating sensor is pressed downward, the insertion portion of the seating sensor can smoothly escape to the back side of the cushion member by the through hole 76, and the conduction portion of the seating sensor is loaded. Can prevent bending.
- the material of the elastic member is the same as that of the pad member, it is not limited to this, and an elastic member of a different material can be selected according to the shape, diameter, etc. of the punched hole.
- the seating sensor was made into the 1st detection part and the 2nd detection part which made two pressure sensitive switches, it is not limited to this, For example, 1 or 3 or more pressure sensitive
- the detection unit may be configured by a switch.
- electrical_connection part shall connect both between a some detection part and between a detection part and an external output part, it is not limited to this, For example, only between a detection part and an external output part Including those that are electrically connected to each other.
- the membrane switch is configured so that the circular contact / separation part and the circular contact / separation part are opposed to each other, but the present invention is not limited to this.
- the material is separated and printed to be the contact / separation part, the conductive material is printed in a circle on the second film so as to face the contact / separation part, and the contact / separation part.
- a pressure-sensitive switch may be configured by contacting and separating. In this case, if one pressure-sensitive switch is turned on, a current flows through the switch wiring and a seating detection signal is output.
- the seating sensor according to the present invention is suitable for disposing a pressure-sensitive switch near a concave groove of a vehicle seat in a vehicle seat having a concave groove in a lateral direction.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
荷重を検出する検出部は、乗員の荷重が負荷されるヒップポイント辺りに配置され必要がある。一方、凹溝は座り心地などの観点よりヒップポイントに設けられることが多い。従来のように検出部をヒップポイントに配置して、導通部をシートクッションの後方に設けられた貫通穴を通して或いはシートクッションの後端を経由してパッド部材の裏側に外部出力部を配設すると、検出部と外部出力部との間の導通部の長さが長くなってしまう。
以下、本発明に係る着座センサを車両用シートに実施した第1実施形態について図面を参照して説明する。図1には独座用の車両用シートのシートクッション2の斜視図が描かれている。
次に、本発明に係る着座センサを車両用シートに実施した第2実施形態について図12に基づいて説明する。
次に、本発明に係る着座センサを車両用シートに実施した第3実施形態について図14に基づいて説明する。
また、導通部は、複数の検出部間と、検出部と外部出力部との間との両方を接続するものとしたが、これに限定されず、例えば検出部と外部出力部との間だけを電気的に接続しているものも含むものである。
Claims (4)
- 陥没形成され表皮部材を固定するワイヤが配索された凹溝を有する車両シート用パッド部材の着座側表面と、該着座側表面を覆うように前記パッド部材に装着される前記表皮部材との間において、前記パッド部材の着座側表面に当接して該パッド部材への荷重情報を検出する複数の検出部と、
前記検出部により検出された荷重信号を出力する外部出力部と、
前記複数の検出部の間及び前記検出部と前記外部出力部との間を導通する導通部と、
を備えた可撓性を有するフィルム状の着座センサであって、
前記導通部は、
前記凹溝に設けられて前記パッド部材を裏側まで貫通する抜き穴に挿入される挿入部と、
前記着座側表面に当接するように屈曲され前記凹溝に対し交わる方向に配設される第1屈曲部と、
前記着座側表面に当接するように屈曲され前記第1屈曲部とは前記凹溝を挟んで反対方向に配設される第2屈曲部とを備え、
前記外部出力部は、前記挿入部の先端部に設けられ、
前記検出部は、
前記第1屈曲部に接続する第1検出部と、
前記第2屈曲部に接続する第2検出部と、
を有している着座センサ。 - 請求項1において、前記導通部は、前記挿入部の前記第1検出部側から直角に突出し前記第2屈曲部に連続する基端導通部を有し、
前記基端導通部は、前記挿入部が前記抜き穴に挿入されると、前記凹溝内に該凹溝に沿って収容支持される着座センサ。 - 請求項1又は2において、前記挿入部は、前記抜き穴形状に倣って形成され前記抜き穴に挿入された弾性部材で保持される着座センサ。
- 車両シート用パッド部材の着座側表面と該着座側表面を覆うように前記パッド部材に装着される表皮部材との間において、前記パッド部材の着座側表面に当接して該パッド部材への荷重情報を検出する複数の検出部と、
前記検出部により検出された荷重信号を出力する外部出力部と、
前記複数の検出部の間及び前記検出部と前記外部出力部との間を導通する導通部と、を備えた可撓性を有するフィルム状の着座センサであって、
前記導通部は、前記パッド部材の着座荷重作用部分に設けられて前記パッド部材を裏側まで貫通する抜き穴に挿入される挿入部を備え、
前記外部出力部は、前記挿入部の先端部に設けられ、
前記挿入部は、前記抜き穴形状に倣って形成され前記抜き穴に挿入された弾性部材で保持される着座センサ。
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EP12844720.8A EP2774805A4 (en) | 2011-11-04 | 2012-10-30 | SEAT OCCUPANCY SENSOR |
BR112014005770-2A BR112014005770B1 (pt) | 2011-11-04 | 2012-10-30 | sensor de ocupação de assento |
CN201290000807.XU CN203793163U (zh) | 2011-11-04 | 2012-10-30 | 落座传感器 |
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JP2011242565A JP5821538B2 (ja) | 2011-11-04 | 2011-11-04 | 着座センサ |
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CN112998682A (zh) * | 2016-02-05 | 2021-06-22 | 提爱思科技股份有限公司 | 生物信息测量装置 |
WO2022260956A1 (en) * | 2021-06-10 | 2022-12-15 | Brigham Young University | Systems and methods for limiting rearward motion of a seatback in a rear-impact collision |
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JP6523737B2 (ja) * | 2015-03-27 | 2019-06-05 | テイ・エス テック株式会社 | 検出器付きのシート |
WO2016158758A1 (ja) * | 2015-03-27 | 2016-10-06 | テイ・エス テック株式会社 | 検出器付きのシート |
JP6481522B2 (ja) * | 2015-06-15 | 2019-03-13 | 三菱自動車エンジニアリング株式会社 | 車両用シート |
JP6485272B2 (ja) * | 2015-07-31 | 2019-03-20 | トヨタ紡織株式会社 | 乗物用シート |
JP6600533B2 (ja) * | 2015-10-30 | 2019-10-30 | テイ・エス テック株式会社 | 車両用シート |
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JP6574213B2 (ja) * | 2017-03-08 | 2019-09-11 | アイシン精機株式会社 | 着座センサ |
JP2018165122A (ja) * | 2017-03-28 | 2018-10-25 | アイシン精機株式会社 | 着座センサ |
CN106994924A (zh) * | 2017-05-18 | 2017-08-01 | 上海安闻汽车电子有限公司 | 一种人体压力传感器及汽车座椅 |
CN116215332A (zh) | 2018-09-03 | 2023-06-06 | 提爱思科技股份有限公司 | 交通工具用座椅 |
JP7269463B2 (ja) * | 2018-09-03 | 2023-05-09 | テイ・エス テック株式会社 | 乗物用シート |
JP2020059412A (ja) * | 2018-10-11 | 2020-04-16 | テイ・エス テック株式会社 | 乗物用シート |
US11241934B2 (en) * | 2018-12-28 | 2022-02-08 | Intel Corporation | Techniques to optimize vehicular systems for occupant presence and condition |
JP6849928B2 (ja) * | 2019-04-26 | 2021-03-31 | テイ・エス テック株式会社 | 検出器付きのシート |
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CN116160924A (zh) * | 2023-04-13 | 2023-05-26 | 斯威重庆汽车研发中心有限公司 | 一种设置有压力传感器的座椅 |
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JP5821538B2 (ja) | 2015-11-24 |
CN203793163U (zh) | 2014-08-27 |
BR112014005770B1 (pt) | 2021-01-19 |
JP2013095373A (ja) | 2013-05-20 |
EP2774805A4 (en) | 2015-05-06 |
EP2774805A1 (en) | 2014-09-10 |
BR112014005770A2 (pt) | 2017-03-28 |
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