JP6533007B2 - 荷重検知センサユニット - Google Patents
荷重検知センサユニット Download PDFInfo
- Publication number
- JP6533007B2 JP6533007B2 JP2018501577A JP2018501577A JP6533007B2 JP 6533007 B2 JP6533007 B2 JP 6533007B2 JP 2018501577 A JP2018501577 A JP 2018501577A JP 2018501577 A JP2018501577 A JP 2018501577A JP 6533007 B2 JP6533007 B2 JP 6533007B2
- Authority
- JP
- Japan
- Prior art keywords
- detection sensor
- load detection
- metal plate
- electrode
- seat cushion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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- 238000001514 detection method Methods 0.000 title claims description 143
- 239000002184 metal Substances 0.000 claims description 137
- 229910052751 metal Inorganic materials 0.000 claims description 137
- 125000006850 spacer group Chemical group 0.000 claims description 25
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 30
- 239000000463 material Substances 0.000 description 13
- 230000007613 environmental effect Effects 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000011112 polyethylene naphthalate Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- -1 polybutylene terephthalate Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 206010011985 Decubitus ulcer Diseases 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
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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
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- 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
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7094—Upholstery springs
-
- 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
- B60N2/0024—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement for identifying, categorising or investigation of the occupant or object on the seat
-
- 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
- B60N2/90—Details or parts not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
-
- 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
- B60N2210/10—Field detection presence sensors
- B60N2210/12—Capacitive; Electric field
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
- Push-Button Switches (AREA)
Description
図1は、本実施形態の荷重検知センサユニットの構成を示す分解図であり、図2は、荷重検知センサユニットが座席装置のSばねに取り付けられた様子を示す断面図である。なお、図2は、座席装置の左右方向に沿った面における荷重検知センサユニットの断面図である。図1、図2に示すように、荷重検知センサユニット1は、台座2と、カバー4及び荷重検知センサ5を主な構成として備える。
次に、本発明の第2実施形態について図7を参照して詳細に説明する。なお、第1実施形態と同一又は同等の構成要素については、特に説明する場合を除き、同一の参照符号を付して重複する説明は省略する。
2・・・台座
3・・・フェルトシート
4・・・カバー
5・・・荷重検知センサ
25・・・押圧部
42・・・カバー
50・・・スイッチシート
56・・・第1電極シート
56e・・・第1電極
56s・・・第1絶縁シート
57・・・第2電極シート
57e・・・第2電極
57s・・・第2絶縁シート
58・・・スペーサ
60・・・金属板
SC・・・シートクッション
SW・・・スイッチ
Claims (7)
- シートクッション下に配置される荷重検知センサユニットであって、
所定の間隔を介して互いに対向する一対の電極と、前記一対の電極のうち前記シートクッションと反対側の一方の電極の少なくとも一部を前記シートクッションと反対側から覆う金属板とを有する荷重検知センサと、
前記金属板の前記一方の電極と重なる部位を前記シートクッションと反対側から押圧する前記シートクッションよりも硬質な押圧部と、
を備え、
前記一対の電極は、前記荷重検知センサが前記押圧部に押圧されることによる前記金属板の撓みにより互いに接触する
ことを特徴とする荷重検知センサユニット。 - 前記一対の電極における他方の電極を前記シートクッション側から覆い、前記シートクッションよりも硬質な板状の被覆部材を更に備える
ことを特徴とする請求項1に記載の荷重検知センサユニット。 - 前記被覆部材は前記金属板の面積よりも大きな面積を有する
ことを特徴とする請求項2に記載の荷重検知センサユニット。 - 前記被覆部材は可撓性を有する
ことを特徴とする請求項2または3に記載の荷重検知センサユニット。 - 前記荷重検知センサが載置される載置部材を更に備え、
前記押圧部は前記載置部材に固定される
ことを特徴とする請求項1から4のいずれか1項に記載の荷重検知センサユニット。 - 前記荷重検知センサは、開口が形成されたシート状のスペーサと、前記スペーサの両面に設けられる樹脂製の一対の絶縁シートとを更に有し、
前記一対の電極は、前記絶縁シートの前記スペーサ側の面に設けられ、前記開口を介して互いに対向し、
前記一対の絶縁シートのうち前記金属板側の絶縁シートにおける前記一方の電極と重なる部位の少なくとも一部は、前記金属板に接着されている
ことを特徴とする請求項1から5のいずれか1項に記載の荷重検知センサユニット。 - 前記金属板の前記一方の電極と重なる部位は、前記載置部材と非接着とされる
ことを特徴とする請求項5に記載の荷重検知センサユニット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016033680 | 2016-02-24 | ||
JP2016033680 | 2016-02-24 | ||
PCT/JP2017/004917 WO2017145807A1 (ja) | 2016-02-24 | 2017-02-10 | 荷重検知センサユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017145807A1 JPWO2017145807A1 (ja) | 2018-07-26 |
JP6533007B2 true JP6533007B2 (ja) | 2019-06-19 |
Family
ID=59685588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018501577A Active JP6533007B2 (ja) | 2016-02-24 | 2017-02-10 | 荷重検知センサユニット |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6533007B2 (ja) |
WO (1) | WO2017145807A1 (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6109117A (en) * | 1996-12-19 | 2000-08-29 | Automotive Systems Laboratory, Inc. | Seat weight sensor |
JP3451371B2 (ja) * | 1998-12-11 | 2003-09-29 | ニッタ株式会社 | 自動車乗員の重量検出システム |
DE102010043417A1 (de) * | 2010-11-04 | 2012-05-10 | Mayser Gmbh & Co. Kg | Sitzbelegungsschalter und Fahrzeugsitz |
JP5324548B2 (ja) * | 2010-12-06 | 2013-10-23 | 株式会社フジクラ | 着座センサ、及び、それを用いた座席装置 |
US20140201042A1 (en) * | 2013-01-11 | 2014-07-17 | Tagnetics, Inc. | Inventory control system |
-
2017
- 2017-02-10 WO PCT/JP2017/004917 patent/WO2017145807A1/ja active Application Filing
- 2017-02-10 JP JP2018501577A patent/JP6533007B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JPWO2017145807A1 (ja) | 2018-07-26 |
WO2017145807A1 (ja) | 2017-08-31 |
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