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Non-contact infrared thermometer and its distance control method

An infrared thermometer, non-contact technology, applied in the field of temperature measurement, can solve the problems of complex structure of the thermometer, difficult promotion and application, many additional components, etc., and achieves the effect of easy industrialized mass production, easy promotion and application, and low cost.

Inactive Publication Date: 2005-01-05
简毅 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the positioning using light wave technology, the light beam or parallel light path emitted by the light source passes through the optical element, and the receiving element is also received after passing through the optical element, so that the structure of the thermometer is complex, with many additional components, large volume, high cost, and difficulty in popularization and application. larger

Method used

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  • Non-contact infrared thermometer and its distance control method
  • Non-contact infrared thermometer and its distance control method
  • Non-contact infrared thermometer and its distance control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0023] Such as Figure 1~4 As shown, a non-contact infrared thermometer and its fixed-distance control method, the thermometer mainly includes an infrared radiation sensor 10, a fixed-distance control device, a processing unit, and a display device. Its fixed-distance control device mainly includes a light-emitting mechanism 2 and an observation mechanism 3, etc., and its display device mainly includes a display circuit and a liquid crystal display 6, etc. The housing 9 of this embodiment is a hand-held type with a protruding head and a slender lower end. The protruding probe 11 is conical. The infrared sensor 10 and the fixed distance control device are installed in the probe 11. The processing unit and the display circuit are installed Set in the casing 9, the liquid crystal display 6 is installed on the surface of the casing 9, on the casing 9, a power switch / measurement key 7 and a battery cover 8 are also arranged, and the battery is installed in the casing inside the bat...

Embodiment approach 2

[0025] Such as Figure 5 As shown, the main feature of the non-contact infrared thermometer and its fixed-distance control method is that the observation mechanism of the fixed-distance control device adopts a bent tube type and an optical element (such as a mirror) is added therein to change the observation of the observation mechanism. The optical path makes the optical path of the light beam emitted by the light-emitting mechanism intersect with the observation optical path of the bent tube observation mechanism in the specific area between C and B near the preset distance L in front of the probe 11, thereby realizing the distance control. The rest is the same as Embodiment 1.

Embodiment approach 3

[0027] Such as Figure 6As shown, the main feature of the non-contact infrared thermometer and its fixed-distance control method is that the observation mechanism of the fixed-distance control device adopts an optical fiber type to change the angle and position of the observation optical path of the observation mechanism, so that the optical path of the light beam emitted by the light-emitting mechanism is consistent with the The observation optical path of the fiber-optic observation mechanism intersects in the specific area between C and B near the preset distance L in front of the probe 11, thereby realizing the fixed-distance control. The rest is the same as Embodiment 1.

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Abstract

The invention is a noncontacting infrared temperature meter and the spacing control method. The thermometer includes infrared radiation sensor, spacing control device, processing unit and displaying device, the spacing control device mainly includes illuminant mechanism and observing mechanism, they are connected through circuit or wire. The method is: the beam transmitted by the illuminant mechanism and the observing path of the observing mechanism are crossed in the special region of the preset distance, only when the measured target is in the special region, the light spot or image projected to the measured object can be observed through the observation mechanism.

Description

technical field [0001] The invention belongs to the technical field of temperature measurement, in particular to an infrared temperature measurement device and a fixed-distance control method thereof. Background technique [0002] At present, glass mercury thermometers are generally used in my country to measure the body temperature of people or animals. Although the glass mercury thermometer is cheap, it takes a long time to measure the temperature, it is inconvenient to read, and it is not very safe to use. Once it breaks, it will cause great harm to people, animals and the environment. Now there are also electronic thermometers. Although its readings are intuitive, it mainly measures temperature through temperature-sensing elements such as thermistors. Since the thermistor and its protective cover reach thermal equilibrium slowly, the measurement time is longer and other disadvantages. [0003] In recent years, infrared thermometers that are convenient, fast and accurate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/08
Inventor 简毅洪雪飞程洪
Owner 简毅
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