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Infrared array sensor

An array sensor and sensor technology, applied in the field of temperature sensors, can solve the problems of low control accuracy and failure to achieve occupant comfort, and achieve the effects of reducing energy consumption, detecting temperature, and accurate temperature

Active Publication Date: 2014-06-25
JIANGSU ROTHWELL ELECTRIC
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

Low-end vehicles usually detect the temperature of the return air in temperature control to determine whether the temperature inside the vehicle has reached the set temperature. High-end vehicles will add a temperature sensor at the front and rear of the passenger compartment, and take the average to determine the temperature inside the vehicle. Whether it reaches the set temperature, the control accuracy of this control mode is not high, the temperature gradient is obvious, and it cannot meet the comfort requirements of the passengers

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, it should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after reading the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0017] Such as figure 1 and 2 As shown, a kind of infrared array sensor, comprises the array target surface 2 that the infrared temperature sensor that array is arranged forms and the Fresnel lens group 1 that array is arranged, and this target surface is connected with scanning interface circuit 3, and Fresnel lens group is made up of 11 Composed of L×W independent Fresnel lenses arranged on the front end of the array target surface in the form of an arc surface, the ...

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Abstract

The invention discloses an infrared array sensor. The infrared array sensor comprises an array target surface composed of infrared temperature sensors arranged in an array and a set of Fresnel lenses arranged in an array. The target surface is connected with a scanning interface circuit, infrared radiation within the scanning range is refracted to the array target surface by the set of Fresnel lenses, and the scanning interface circuit performs scanning according to the row and column sequence and reads information of the infrared temperature sensors on the array target surface one by one. The infrared array sensor is installed on the top of the front end of a passenger compartment of an automobile, the whole passenger compartment can be divided into L*W tested areas and then is imaged onto the infrared temperature sensor array through the Fresnel lenses, and after the temperature information of the array target surface is read through the scanning interface circuit and coded, the temperature information is sent to a controller through a signal output interface so as to control the working state of an air conditioner of the automobile.

Description

technical field [0001] The invention relates to a temperature sensor, in particular to an infrared array sensor. Background technique [0002] The main function of the intelligent constant temperature air-conditioning system for automobiles is to replace human operations. It can automatically activate the air-conditioning of the car or introduce hot air from the engine in summer and winter, so that the temperature inside the car can reach the set comfortable temperature, and then maintain the temperature inside the car. Within the specified comfort range, in order to meet the needs of comfort. Low-end vehicles usually detect the temperature of the return air in temperature control to determine whether the temperature inside the vehicle has reached the set temperature. High-end vehicles will add a temperature sensor at the front and rear of the passenger compartment, and take the average to determine the temperature inside the vehicle. Whether it reaches the set temperature ...

Claims

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Application Information

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IPC IPC(8): G01J5/10
Inventor 周详东
Owner JIANGSU ROTHWELL ELECTRIC
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