56results about How to "Increased autocollimation working range" patented technology

The invention belongs to the technical field of precision measurement and the field of optical engineering, and particularly relates to an array zero-setting high-frequency-response large-work-distance auto-collimation device and method. The device is composed of a light source, a collimating mirror, a reflector and a feedback imaging system; the method comprises the steps that the reflector is adjusted to enable reflected light beams to return to the image plane center of the feedback imaging system, and angle changes of the surface of a measured object are obtained through an angular deflection measurement device on the reflector; due to the fact that the reflector is additionally arranged on a traditional auto-collimation angle measurement system, the problem that reflected light of the measured object deviates from the measurement system, and consequently measurement cannot be carried out can be avoided, and then the technical advantage that the auto-collimation work range is remarkably widened at the same work distance, or the work distance is remarkably increased within the same auto-collimation work range is achieved; in addition, by means of specific design of the collimating mirror, the feedback imaging system, the reflector and the like, the array zero-setting high-frequency-response large-work-distance auto-collimation device and method further have the advantages of being simple in structure and low in manufacturing cost. Meanwhile, high measurement speed is achieved.

The invention relates to a high-frequency-response long-working-distance auto-collimation device and method, and belongs to the fields of precise measurement technology and optical engineering. The device is composed of a light source, a collimating mirror, a reflector and a feedback imaging system. According to the method, the reflector is adjusted so that a reflection light beam returns to the center of an image plane of the feedback imaging system, and an angle deflection measuring device of the reflector is used to obtain angle change of the surface of a tested object. According to the invention, the reflector is added to a traditional auto-collimation angle measuring system, the problem that reflection light of the tested object is deviated the measuring system and further measurement cannot be carried out can be solved, and the auto-collimation work range is increased under the same work distance, or the working distance is increased under the same work range; concrete designs of the collimating mirror, the feedback imaging system, the reflector and the like enable the auto-collimating device to be small, portable and high in measuring precision; the measuring precision is high under low sampling frequency; and the measurement speed is very high.

The invention belongs to the fields of precise measurement and optical engineering, and specifically relates to a portable combined zero-setting laser large-working-distance auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflector, and a feedback imaging system. The method comprises the steps: enabling a reflected light beam to return to the center of the imaging plane of the feedback imaging system through adjusting the reflector, and obtaining the angle change of the surface of a measured object through employing an angle deflection measurement device on the reflector. According to the invention, the reflector is added to a conventional auto-collimation angle measurement system, so the device can solve a problem that the reflected light of the measured object cannot be measured because the reflected light deflects from the measurement system, enlarges the auto-collimation working range under the condition of the same working distance or increases the working distance under the condition of the same auto-collimation working range. In addition, the specific design of the collimating mirror, the feedback imaging system and the reflector enables the device to be small and portable, and to be high in measurement precision. The device still can carry out measurement in an unstable measurement environment, and can achieve quick measurement.

The invention belongs to the technical field of precision measurement and the field of optical engineering, and particularly relates to a wide-range and large-working-distance auto-collimation device and a wide-range and large-working-distance auto-collimation method. The wide-range and large-working-distance auto-collimation device is composed of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system. The large-working-distance auto-collimation method comprises the steps of: adjusting the reflecting mirror, so that a reflected light beam returns to the center of an image surface of the feedback imaging system; and utilizing an angular deflection measuring device on the reflecting mirror to obtain angular variation of the surface of a measured object. Since the reflecting mirror is additionally arranged on a traditional auto-collimation angle measuring system, the problem that measurement cannot be carried out because the reflected light of the measured object deviates from the measuring system can be avoided, and the method and the device have the technical advantages of increasing an auto-collimation working range at the same working distance, or the increasing the working distance in the same auto-collimation working range; in addition, by adopting the specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the method and the device further have the technical advantages of simple structure, low manufacturing cost, high measurement precision at low sampling frequency, and fast measurement.