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The utility model relates to measuring instrument technology, the public a kind of optical lens used for infrared temperature measuring gun and its infrared measuring temperature gun

by:ChangHui     2020-05-28
Technical background: at present, the infrared temperature measuring gun on the market are equipped with a laser generator, is the single point laser laser generator, or is to install two laser generator to get two point laser, however, whether it be a single point or double point laser cannot complete interpretation of infrared measuring temperature gun temperature measuring distance and the relationship between the surface domain object to be tested, more can't fully indicate the scope of the accurate position of the object to be tested. Figure 1 for general infrared temperature measuring gun (the market at present A D: S ratio) Single point laser schematic, D: S for the distance and the ratio of the light spot. As shown in figure 1, the infrared temperature measuring gun is equipped with a laser generator, a single point laser with a laser generator, can only indicate the corresponding position; In reality, the infrared temperature measuring gun range of temperature measurement for a circular region, the size of the circular area will change according to the distance, but because the actual temperature measurement range in practical application is not part of a display, as a result, the user and cannot know accurately the temperature measuring position corresponds to the specific area, only know about the infrared laser spot is measured object; Further, more cannot know clearly, in size 1 and size 2 and other size, temperature range the actual size of the object to be tested with different sizes from changes in the relationship. Technical implementation elements: in order to overcome the shortcomings and the insufficiency existing in the existing technology, the utility model aims to provide a kind of used for infrared temperature measuring gun optical lens, the infrared temperature measuring gun laser spot to get more laser optical diffraction ( Greater than 2 points) Or different shape of laser pattern, which is the indicator of the users have more clear. To achieve the above purpose, the utility model adopts the following plan. A kind of used for infrared temperature measuring gun optical lenses, optical lens diffraction Angle and for application of infrared temperature measuring gun D: S ratio of the same light path switching angles. Optimization, light optical lens imaging pattern for circular ring or full circle. Optimization, optical lens imaging pattern for multipoint constitute the dotted circle. Optimization, optical lens imaging pattern for the target type box. Further, the optical lens carved through the nanoscale. Optimization, optical lens for the diffraction grating holographic lens or lens or lens. A infrared temperature measurement using the optical lens gun, including shell and set in the shell of the laser generator, optical lens and temperature measuring cylinder lens; Optical lens in laser generator, down to the bottom of the temperature in the tube, the laser generator. As an optimization, optical lens in the exit end of the laser generator, or, optical lens placed inside the laser generator. Optimization, optical lens diffraction ring pattern with the increase of ratio is proportional to the temperature of the tube, optical path. Beneficial effects of this utility model: to provide an optical lens and the infrared temperature measuring gun, optical lens in the infrared temperature measuring gun laser generator, optical lens of the laser diffraction pattern can be very intuitive clearly indicates that the temperature measurement range and position of the object to be tested. Figure 1 illustrated instructions for existing technology of infrared temperature measuring gun ( A D: S ratio) The use of the diagram. Figure 2 for example of this practical new type USES infrared temperature measuring gun for optical lenses, A D: S ratio) When using the effect diagram. Figure 3 for example of this practical new type USES optical lens and light in all kinds of laser pattern on the wall. Concrete implementation way in order to facilitate understanding of this field technicians, this utility model combined with example and illustrated below for further instructions, implementation way mentioned content is not limited to this utility model. First of all, this example provides a kind of used for infrared temperature measuring gun optical lenses, as shown in figure 2, the application, the optical lens is installed in the infrared temperature measuring gun shell groove, in particular, optical lens can be set in the front of the infrared temperature measuring gun laser generator ( That is, the emergent side) , in which the optical lens can be set in the outside the front of laser generator, can also be built into the laser generator in front, so as to make the laser generator can laser irradiation on the optical lens, optical lens through optical diffraction principle makes a laser markers evolved into multiple laser markers or all kinds of laser light design ( As shown in figure 3) , so that the laser can be more clear and visually indicating temperature measurement range and general temperature measurement location. As optimization example, the optical lens forming steps as follows: first, image design, such as shown in figure 3 laser (9 o 'clock The dotted circle) Type, full circle, circle or target box design ( The field technicians, can be designed according to the actual demand of different design) And then calculated according to the design of the lens Angle and grating diffraction grating on the distribution, and ultimately through high precision machinery in lenses of nanoscale sculpture, so as to realize the laser irradiation on the lens of the grating, and under the grating diffraction, laser diffraction from a multipoint ( Greater than 2 points) Or different shape design; And help to more intuitive to show in the size and position of different distance relationship. The field technical personnel from the principle and structure, the lens, optical lens can be described as grating holographic lens or the diffraction lens or other lenses, as long as the lens structure can satisfy the above principles and requirements, implement the above technical effect can be according to the actual demand and use. In practice, due to the different temperature range of infrared temperature measuring gun D: S ratio is different, so the temperature infrared temperature measuring gun tube, the light path of D: S ratio is different also, namely D: S ratio from different angles; At design time, therefore, need to design the diffraction Angle and infrared temperature measuring gun D: S ratio transformation point of the same optical lenses, is through the optical lens diffraction of laser pattern and D: S ratio is very close. Therefore, can according to different infrared temperature measuring gun D: S ratio ( The perspective of transformation) , design different diffraction Angle of optical lenses, to apply to the corresponding infrared temperature measuring gun, in order to meet different needs. Second, this example also provides a kind of guns infrared temperature measurement by optical lens, as shown in figure 2, the infrared temperature measuring gun including shell and in the internal laser generator, optical lens and temperature measuring cylinder lens; Optical lens in the front of the laser generator ( That is, the emergent side) Optical lenses can be set on the outer side of laser generator, can also be placed inside the laser generator internal; Temperature in the tube, the laser generator below; Optical lens diffraction Angle and temperature measuring tube, D: S light path switching angles ( Temperature measuring tube, D: S light path switching Angle is the infrared temperature measuring gun D: S ratio of light path switching Angle) ; When the laser in optical lenses, diffraction into a circle ring ( Or other design) That the diameter of the ring will increase with distance increases, increasing the proportion of is proportional to the temperature measuring tube, optical path. And the diameter of the ring laser temperature measurement range in diameter, the tube, as distance increases also keep that ratio. Which can be very intuitive to inform the user of the object to be tested temperature range is a close to the laser ring pattern represented by circle, is also very intuitive to inform the user of the object to be tested temperature range is very close to the laser said circular ring pattern; As shown in figure 2, is a D: S ratio of infrared measuring temperature gun, optical lens will point the laser diffraction from circle pattern, is to clearly indicate the temperature measurement range and location. The plan provided by the utility model is simple and practical, without the changing structure of infrared measuring temperature gun itself, on the basis of simply adding a component ( Optical lenses) Can solve the technical problems of the existing technology, clear to the user indicates the infrared temperature measurement range and location of temperature measuring gun, effective and practical. The above content is only for the better implementation of the utility model, for the purposes of this common technique in the field of personnel, on the basis of the thought of the utility model, in the concrete implementation method and application range are will have changed, this manual content should not be interpreted as limiting the utility model.
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