Sensor 89467-33130 for Toyota Auto Engine Parts Oxygen Sensor

Sensor 89467-33130 for Toyota Auto Engine Parts Oxygen Sensor

Auto Oxygen Sensor Product introduction Overview In order to obtain the correct air-fuel ratio, the engine management system usually adopts the technology of closed-loop fuel control. The oxygen sensor is an important part of the closed-loop control, which monitors the residual oxygen content in...

Product Details

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Auto Oxygen Sensor

Product introduction

Overview

In order to obtain the correct air-fuel ratio, the engine management system usually adopts the technology of closed-loop fuel control. The oxygen sensor is an important part of the closed-loop control, which monitors the residual oxygen content in the exhaust gas and feeds it back to the ECU. The ECU can use the algorithm to sense whether the current air-fuel ratio deviates from the theoretical air-fuel ratio, adjust the fuel injection amount, and finally obtain the correct air-fuel ratio.

 

Basic structure

Core component: sensing element (zirconium element)

It is basically a stable zirconia ceramic coated with a multi-layered platinum layer inside and outside. The platinum layer has a catalytic effect to form an inner and outer catalytic layer on the inner and outer surfaces of the zirconium element. Under the catalytic action of the inner and outer porous platinum, oxygen molecules and oxygen ions will Mutual conversion, when oxygen ions migrate from the higher concentration side, a voltage is generated between the inner and outer electrodes.

1. Protection 2. Zirconium oxide body 3. Housing 4. Output connector 5. Jacket 6. Guide

Line 7. Electromotive force 8. Platinum electrode on the atmospheric side 9. Solid electrolyte (iron oxide element) 10. Platinum electrode on the exhaust side 11. Coating (ceramic) 12. Exhaust 13. Atmosphere

 

The product quality

Material control

Zirconia powder:Import raw materials to ensure basic strength and purity

Platinum paste:Imported porous platinum material to ensure stable product quality

Protective layer:A porous ceramic protective layer is firmly adhered to the electrode layer to enhance its anti-pollution ability

Heater:24V high pressure test, thermal shock extreme test, 10,000 alternating test

Shield:Special stainless steel material with strong corrosion resistance and high temperature resistance

 

Performance testing

1

The core components (zirconium components) are all tested with 10MPa high pressure to ensure quality reliability.

2

On-line inspection of product hermeticity, leakage rate <0.21ml/min to ensure product quality stability

3

Comprehensive testing of product electrical performance parameters to ensure consistent work

4

High temperature testing performance

5

Passed the shelf reliability test and durability test, the product quality is qualified

 

Product iron head display

Contact us

Iris

Xiao Chang Kansen Trading Co., Ltd.
Tel:+86 712 4762278  Fax:+86 712 4762278 
Mob:+86 18971941198
Add:5th Floor, Econmy Business Bureau Building, Zhanqian Yiroad, Xiaochang, Xiaogan, Hubei, China
Email:giant888628@163.com
Skype:irisyanxiaxing
Wechat:y18971941198

   


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