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剿馗蓟
7 years ago
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1 Application and trend of pressure sensor and speed sensor in active safety system March Sensata technologies David Zhang, Marketing manager

2 Content Sensata introduction Application of wheel speed sensor and trend Application of pressure sensor and trend Sensata AS pressure and speed sensors 2

3 Sensata Overview The leading global supplier of sensors and electrical protection components Twelve major locations in nine countries o Four in China o Korea, Malaysia, Japan o Brazil, Mexico, Dominican o US, Holland Sales offices throughout the world 10,000 employees worldwide 16,000+ unique products, 400 product families Shipping over 1 billion devices a year Most households contain 30 or more Sensata Technologies components (home and car) 3

4 Sensata History General Plate Founder Rathbun Willard General Plate s First Truck Metals & Controls Merger and Klixon Trademarket New Plant in Almelo, the Netherlands Third Expansion of Baoying, China Plant Sensata China Employees Celebrate Sensata Sensata s 90 th Anniversary in 2006 Sensata s NYSE IPO on March 11 th Rathbun Willard founded the General Plate Company in Attleboro, MA, USA to provide gold plate to the jewelry industry Rathbun Willard Attleboro. Our first sensing product: the thermostat Our first motor protector was introduced Our expansion into Europe via Almelo, Netherlands Almelo Expansion to Japan Launched APT Pressure Sensor Expansion to Changzhou China Set up China technical center in Changzhou General Plate merges with Spencer Thermostat Spencer Thermostat Our first best-cost manufacturing launch in Mexico Merger with Texas Instruments Expansion to Malaysia Expansion to Baoying China Sensata Technologies becomes a stand alone company following acquisition by Bain Capital Sensata Technologies listed at NYSE on March 11 th (ST) Sensata Technologies closed acquisition of Honeywell s Automotive on Board sensors business 4

5 Sensata Technologies Worldwide Almelo, NL Europe BTC Almelo Oyama, Japan Japan BTC Oyama Aguascalientes, Mex. BCP Aguascalientes Haina, DR BCP Haina Attleboro, MA Sensata HQ Attleboro Kuala Lumpur, Mal. BCP Baoying, PRC Jiangding, Shanghai, PRC Shanghai, PRC Changzhou, PRC Kuala Lumpur Business & Technology Center (BTC) Best Cost Production Site (BCP) Sales Office 5

6 Broad Customer Profiles 6

7 Sensata Sensors Proven designs, components and technology platforms 90 years of best cost, high volume manufacturing 1000 s of highly engineered, application specific sensors Enabling state of the art system performance And safer, cleaner and more fuel efficient transportation

8 Automotive Sensors HIGH-END AUTOMOBILE Up to 50 sensors Engine (T)MAP Pressure Turbo Pressure Gas Injection Pressure Diesel Injection Pressure Oil Pressure Rough Road Acceleration Cylinder Pressure Returnless Fuel Pressure Intake Humidity Coolant Level LPS Speed Exhaust Particle Filter Pressure Exhaust Back Pressure EGR Pressure EGR Temperature Cabin Comfort A/C Pressure Cabin Humidity Air Quality Solar Sensor Twilight Sensor Chassis Steering Pressure Suspension Pressure Suspension Acceleration Safety Stability Control Pressure Brake by Wire Force Brake Boost Pressure Air Brake Pressure Fuel Cut Off Acceleration Active Speed Sensor Occupant Weight Steering Position Transmission AT Pressure DCT Pressure CVT Pressure AMT Pressure Gear Select Position Hydraulic retarder pressure Transmission Speed Sensor

9 Content Sensata introduction Application of wheel speed sensor and trend Application of pressure sensor and trend Sensata AS pressure and speed sensors 9

10 China passenger vehicle ESP market ESP CAGR: 23% (2010 to 2015) ABS/ESP Wheel speed sensor demand ABS/ESP

11 Wheel Speed Sensor

12 Wheel speed sensor types Probe Type In Bearing Type Non-Driven Axle Front Sensing Side Sensing Driven Axle

13 Application Sensor & Target configuration Front Sensing Type Side Sensing Type

14 Wheel speed sensor trend Passive active Active Type advantage signal direct contact ABS ECU ABS ECU Low Speed Detection Passive Type Active Type Stable amplitude when high/low speed / Bigger Air gap Higher EMC performance Smaller form factor Simple structure

15 Principle of WS Sensor Passive WS sensor Time Div: 5ms Volt Div: 200mV Time Div: 5ms Volt Div: 200mV Low speed Output Signal Frequency 39.81Hz (50rpm) Output Voltage_average = 414mV High speed Output Signal Frequency Hz (250rpm) Output Voltage-average = 1,066mV Slide 15

16 Wheel speed sensor trend Probe in-bearing Probe (Side Sensing) Probe (Front Sensing) In-bearing Type advantage 装 Simplify OEMs chassis manufacture process Protect tone wheel and drive axle at Non-driving axle 装 3G wheel hub axle integrate speed sensor Black cap is sensor Total cost low 体 Simple structure IBS(Driven Axle) IBS(Non Driven Axle)

17 Content Sensata introduction Application of wheel speed sensor and trend Application of pressure sensor and trend Sensata AS pressure and speed sensors 17

18 Pressure sensor LFF2- Sicma II Connector LFF2- AmpSeal Connector LFF2- VDA Connector LFF1- Packard Connector LFF1- MQS Connector 4-ring contact 3- ring contact Spring contact 4-pin solder contact Au pad contacts 3-pin solder contact Cylinder Pressure Sensor (with integral glow rod) 18

19 Brake system pressure sensor APT ( ) MSG MSG Hydraulic Brake Assist Vehicle Stability Control Traction Control EHB ABS EMB 1980 s 1990 s

20 ESP brake pressure sensor application ESP MSG 6 MSG HCU MSG HCU MSG HCU 20

21 ESP pressure sensor trend ESP P1 and P2 Outputs (%Vpwr) P1 and P2 Outputs vs. Pressure 0% 25% 50% 75% 100% 125% Pressure (% Full Scale) Nominal Output - P1 Nominal Output - P2 Upper Clamp Level - P1 Lower Clamp Level - P2 Fault Band 1. + Dual pressure output or P+T output Benefits: safety device requires redundancy and diagnostic function; Monitor brake fluid temperature 2. O O-ring seal clinch seal O HCU Benefits: Reduce leak cased by o-ring deformation because of compatibility of brake fluid and aging Customer can define port according to HCU, more robust

22 ESP pressure sensor trend ESP 3. Form factor Downsizing: Height, diameter HCU ESP Benefits: save HCU space, make ESP HCU downsize, less weight 4. Mechanical connector: pin -> Spring HCU Benefits: No welding needed. Easy for HCU assembling processes, productivity increase

23 Content Sensata introduction Application of wheel speed sensor and trend Application of pressure sensor and trend Sensata AS pressure and speed sensors 23

24 Broad Magnetic Speed Position Portfolio Speed Application Type Technologies ABS/ESP ABS ABS/ESP ABS/ESP Transmission Transmission Position Application Type Technologies / EMS MR EMS Turbo control 24

25 Part of customers in production

26 Broad Pressure Sensor Portfolio Pressure Application Type Technologies 1 Bar MEMS 1 Bar MEMS 1 Bar EGR APT 1 Bar MAP APT 3 Bar Boost APT 5 Bar APT 6 Bar APT 7 Bar GDI APT 8 Bar APT 10 Bar CNG/LPG MSG 7 15 Bar APT 12 Bar APT 20 Bar. APT 70 Bar CVT, AMT APT 100 Bar APT Bar GDI MSG 200 Bar MSG 200 Bar ESP / MSG 200 Bar EHC/EMB (MSG) 400 Bar MSG Bar MSG N/A OWS MSG MEMS APT MSG 26

27 Part of customers in production 27

28 Part of customers in production 28

29 Summary PV wheel speed sensor changes from passive to active. With development of 3gen wheel hub bearing, in bearing speed sensor will have higher demand Trend of ESP pressure sensors are: redundant output, clinch design, smaller form factor and spring connector ESP Abundant experience in passenger vehicle ESP design; proven record of product performance quality ESP/ABS Market dominance (Sensata pressure sensor for ESP: global market share ~55% in 2009) and scale of economy 2009 ESP 55% Global presence (engineering and manufacture), local development and support 29

30 Thank you for attention!

31 Back up

32 Introduction of Honeywell Products Probe Type Feature - 2-Wire current interface - 3-wire voltage interface - Back Biased Active Front or Side Sensing Mechanism - System Matching tested by Bosch ABS Direct over-molded structure Specification Item Specification Air-Gap 1.0 ± 0.5mm Operating Temp. -40 ~ +150 Supply Voltage 4.5~20 VDC Operate Frequency 1 ~ 2,500 Hz Output "ON" (Isupply) /-2.2 (11.8~16.8) ma Output "OFF" (Isupply) /-1.1 (5.9~8.4) ma Rising & Falling Time 1.5 max. Reverse Polarity Current 200 ma max. Outer diameter * Test Condition : 23 ±5 Application - ABS (Wheel Speed Sensing)

33 Introduction of Honeywell Products In Bearing Sensor Feature - 2-Wire current interface - 3-wire voltage interface - Back Biased Active In Bearing Type - System Matching tested by Bosch ABS Epoxy Potting & over-molded structure Specification Item Specification Operating Temp. -40 ~ +150 Supply Voltage 4.5~20 VDC Operate Frequency 1 ~ 2,500 Hz Output "ON" (Isupply) /-2.2 (11.8~16.8) ma Output "OFF" (Isupply) /-1.1 (5.9~8.4) ma Rising & Falling Time 1.5 max. Reverse Polarity Current 200 ma max. Single Pitch Deviation* +/- 5% max Total Pitch Deviation* 5% max Application - ABS (Wheel Speed Sensing)

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