Oxygen sensor

An oxygen sensor and sensor technology, applied in the field of oxygen sensors, can solve the problems of slow product response and poor measurement accuracy, and achieve the effects of simple structure, easy maintenance and accurate measurement

Inactive Publication Date: 2014-08-20
浙江毅力汽车空调有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] At present, with the continuous improvement of people's living standards, automobiles have become a popular means of transportation. Among them, the oxygen sensor is an important part of the motor vehicle engine management system, which is installed in the exhaust system of the motor vehicle to sense the oxygen concentration. , to achieve closed-loop control. Among the existing products, the product response speed is slow, it needs to be warmed up, and the measurement accuracy is poor. Therefore, in order to improve product quality and save energy during use, there is an urgent need for an easy-to-use , accurate measurement, rapid response and other advantages of the combustion atmosphere measurement device

Method used

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Embodiment Construction

[0015] Such as Figure 1-3 As shown, an oxygen sensor described in the embodiment of the present invention includes a sensor body 1, a housing 2 is provided outside the sensor body 1, a contact bushing 20 is provided at the front end of the sensor body 1, and the contact bushing 20 passes through The contact spring 3 is connected with a cable 4, and an insulating ceramic 5 is provided at the joint between the cable 4 and the contact spring 3. The end of the shell 2 is connected with a protection tube 6, and the protection tube 6 is provided with a number of intake and exhaust grooves 7. The casing 2 is provided with a mounting thread 8, and the front end of the mounting thread 8 is provided with a gasket 9. The front end of the casing 2 is connected to a cable jacket 10, and the cable jacket 10 is provided with an air inlet 11. The insulating ceramic 5 is arranged on the cable Inside the jacket 2 , the cable 4 is connected with a heater 12 matched with the sensor body 1 .

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Abstract

The invention relates to an oxygen sensor, which comprises a sensor body; a shell is arranged outside the sensor body; a contact bushing is arranged at the front end of the sensor body; the contact bushing is connected to a cable through a contact spring; insulating ceramic is arranged at the joint of the cable and the contact spring; a protective pipe is connected to the tail end of the shell; a plurality of air inlet and outlet tanks are arranged on the protective pipe; an installation thread is arranged on the shell; a gasket is arranged at the front end of the installation thread; a wire jacket is connected to the front end of the shell; an air inlet is arranged on the wire jacket; the insulating ceramic is arranged in the wire jacket; and the cable is connected to a heater matched with the sensor body. The oxygen sensor disclosed by the invention has the advantages of being simple in structure, easy for maintenance, convenient to use, accurate for measurement and the like; the heater is arranged in the oxygen sensor, therefore, the oxygen sensor can be in the working condition rapidly; the quality is increased; simultaneously, energy can be saved through the reasonable adjusting manner.

Description

technical field [0001] The invention relates to an oxygen sensor. Background technique [0002] At present, with the continuous improvement of people's living standards, automobiles have become a popular means of transportation. Among them, the oxygen sensor is an important part of the motor vehicle engine management system, which is installed in the exhaust system of the motor vehicle to sense the oxygen concentration. , to achieve closed-loop control. Among the existing products, the product response speed is slow, it needs to be warmed up, and the measurement accuracy is poor. Therefore, in order to improve product quality and save energy during use, there is an urgent need for an easy-to-use , Accurate measurement, rapid response and other advantages of the combustion atmosphere measurement device. Contents of the invention [0003] The object of the present invention is to provide an oxygen sensor to overcome the above-mentioned deficiencies in existing products. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/409
Inventor 叶雨黄忠毅
Owner 浙江毅力汽车空调有限公司
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