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 specifically relates to a combination zeroing laser large working distance auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system; according to the method, via adjustment of the reflecting mirror, a reflected light beam is enabled to return to a center of an image plane of the feedback imaging system; an angular deflection measurement device on the reflecting mirror is used for obtaining angular variation of a surface of an object being tested. Because the reflecting mirror is added in a traditional auto-collimation angle measurement system, a problem that measurement cannot be realized when light reflected by the object being tested is deviated from a measurement system can be prevented; an auto-collimation working scope can be expanded while working distance remains the same or working distance is increased while the auto-collimation working scope remains the same; via specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the combination zeroing laser large working distance auto-collimation device is enabled to be simple in structure and low in manufacture cost; measurement operation can be conducted even in unstable measurement environments, and a technical advantage of rapid measurement can be gained.

The invention belongs to the technical field of precision measurement and the field of optical engineering and specifically relates to a high precision, wide range and large working distance laser auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system; according to the method, via adjustment of the reflecting mirror, a reflected light beam is enabled to return to a center of an image plane of the feedback imaging system; an angular deflection measurement device on the reflecting mirror is used for obtaining angular variation of a surface of an object being tested. Because the reflecting mirror is added in a traditional auto-collimation angle measurement system, a problem that measurement cannot be realized when light reflected by the object being tested is deviated from a measurement system can be prevented; an auto-collimation working scope can be markedly expanded while working distance remains the same or working distance is markedly increased while the auto-collimation working scope remains the same; via specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the high precision, wide range and large working distance laser auto-collimation device is enabled to be characterized by simple structure and low manufacture cost; rapid measurement can be realized.

The invention belongs to the technical field of precise measuring and the field of optical engineering, and particularly relates to a high-accuracy laser large-working-distance auto-collimation device and method. The device is composed of a laser source, a collimation lens, a reflector and a feedback imaging system. The method includes the steps that the reflector is adjusted, a reflected laser beam returns to the center of the image surface of the feedback imaging system, and then angle changes of the surface of a measured object are obtained through an angle deflection measuring device on the reflector. As the reflector is additionally arranged on a traditional auto-collimation angle measuring system, the problem that as lasers reflected by a measured object deviate from the measuring system, measuring can not be carried out is solved, and then the technical advantage that the auto-collimation working range is expanded with the same working distance or the working distance is increased within the same auto-collimation working range is achieved; in addition, due to the specific design of the collimation lens, the feedback imaging system, the reflector and the like, the device and method have the advantages that the structure is simple, the manufacturing cost is low, the stability of the measuring environment can be monitored, and rapid measuring can be achieved.

The invention relates to the field of precision measurement technology and the field of optical engineering and in particular relates to a portable combined zero setting high precision laser large working distance auto-collimation device and method. The device comprises a light source, a collimating mirror, a reflector, and a feedback imaging system. The method makes reflected light beams return to the image plane center of the feedback imaging system by adjusting the reflector and obtains the angle change of the surface of a measured object by means of an angle deflection measuring device on the reflector. The reflector is added to a conventional auto-collimation angle measuring system, so that the problem that measurement is impossible because reflected light of a measured object deviates from the measuring system is solved and the auto-collimation working range is increased on the condition of the same working distance or the working distance is increased on the condition of the same working range. Owing to the specific design of the collimating mirror, the feedback imaging system and the reflector, the device is small, portable, and high in measurement precision, can monitor the stability of measurement environments, and can perform measurement rapidly.

The invention belongs to the precision measurement technology field and the optical engineering field and especially relates to a high-precision, wide-range and large-work-distance auto-collimation device and a method thereof. The device is formed by a light source, a collimating mirror, a reflecting mirror and a feedback imaging system. In the method, through adjusting the reflecting mirror, a reflected light beam is returned to a feedback imaging system image plane center; and through using an angle deflection measurement apparatus on the reflecting mirror, an angle change of a measured object surface is acquired. Because the reflecting mirror is added on a traditional auto-collimation angle measurement system, a problem that measured object reflection light deviates the measurement system so that measurement can not be performed can be avoided. Under a same work distance, an auto-collimation work range is increased, or under the same work range, the work distance is increased. Besides, because of specific designs of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the structure is simple and manufacturing cost is low; under a low sampling frequency, measured precision is high and rapid measurement can be reached.

The invention belongs to the field of precision measurement technology and optical engineering, and specifically relates to an array zero-setting laser large working distance auto-collimation device and method. The device is composed of a light source, a collimating mirror, a reflector and a feedback imaging system. In the method, by adjusting the reflector, a reflected beam is returned to the center of an image plane of the feedback imaging system, and then an angular deflection measuring device on the reflector is used to obtain angle changes of the surface of a measured object. In the invention, since the reflector is added to the conventional auto-collimating angle measuring system, it is possible to avoid the problem that measuring can not be carried out since reflected light of the measured object deviates from the measuring system, so that the advantage of increasing the auto-collimation range at the same working distance or increasing the working distance in same auto-collimation range are realized. In addition, the specific design of the collimating mirror, the feedback imaging system, the reflector and the like make the device of the invention simple in structure, low in production cost, and capable of performing measurement in an unstable measurement environment; and a technical advantage of rapid measurement is realized.

The invention belongs to the technical field of precision measurement and the field of optical engineering and specifically relates to a portable array zeroing high precision laser large working distance auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system; according to the method, via adjustment of the reflecting mirror, a reflected light beam is enabled to return to a center of an image plane of the feedback imaging system; an angular deflection measurement device on the reflecting mirror is used for obtaining angular variation of a surface of an object being tested. Because the reflecting mirror is added in a traditional auto-collimation angle measurement system, a problem that measurement cannot be realized when light reflected by the object being tested is deviated from a measurement system can be prevented; an auto-collimation working scope can be expanded while working distance remains the same or working distance is increased while the working scope remains the same; via specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the portable array zeroing high precision laser large working distance auto-collimation device is enabled to be small in size, high in portability and great in measurement precision; stability of a measurement environment can be monitored, and a technical advantage of rapid measurement can be gained.

The invention belongs to the technical field of precision measurement and the field of optical engineering and particularly relates to a portable high-dynamic-precision large-working-distance auto-collimation device and method. The device is composed of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system. The method includes the steps that the reflecting mirror is adjusted, reflected light beams return to the center of the image surface of the feedback imaging system, and the angle change of the surface of a measured object is acquired through an angle deflection measuring device on the reflecting mirror. Due to the fact that the reflecting mirror is additionally arranged on a traditional auto-collimation angle measuring system, the problem that due to the fact that reflected light of the measured object deviates from the measuring system, measurement cannot be carried out can be avoided, and then the advantage that the auto-collimation working range is increased at the same working distance or the working distance is increased within the same working range is achieved; in addition, through the specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the device and method further have the technical advantages that the device is small, portable and high in measuring precision; the assembly process of the measured object can be monitored in the whole course; measurement is rapid.

The invention belongs to technical field of precision measurement and the field of optical engineering and particularly relates to a high-dynamic-precision large-working-distance self-collimating device and method. The high-dynamic-precision large-working-distance self-collimating device consists of a light source, a collimating lens, a reflector and a feedback imaging system. According to the method, a reflected light beam returns to the image plane center of the feedback imaging system by adjusting the collimating lens, and then angle change of the surface of a measured object is obtained by utilizing an angle deflection measurement device on the reflector. Due to the fact that the reflector is added on a traditional self-collimating angle measurement system, the problem that the reflected light of the measured object deflects from the measurement system and accordingly measurement cannot be performed can be avoided, a self-collimating work range is further added under the condition of the same working distance, and the technical advantages of the working distance are increased in the same self-collimating work range. In addition, the specific designs of the collimating lens, the feedback imaging system, the reflector and the like make the high-dynamic-precision large-working-distance self-collimating device further have the technical advantages of being simple in structure, low in manufacturing cost and meanwhile capable of monitoring the assembly process of the measure object in the whole process and achieving rapid measurement.

The invention belongs to the technical field of precise measurement and the field of optical engineering, and concretely relates to a portable high-precision laser long-working distance auto-collimation apparatus and a method thereof. The apparatus is composed of a light source, a collimating mirror, a reflector and a feedback imaging system. The method comprises the following steps: the reflector is adjusted to make reflected light beams return to the center of the image plane of the feedback imaging system, and an angle deflection measuring device on the reflector is used to obtain the angle change of the surface of a measured object. The reflector is arranged on a traditional auto-collimation angle measurement apparatus, so the problem of unable measurement caused by deviation of the reflected lights of the measured object from the measurement system is avoided, thereby the auto-collimation working range is increased under a same working distance, or the working distance is increased under a same auto-collimation working range. The concrete design of the collimating mirror, the feedback imaging system and the reflector makes the apparatus have the advantages of small size, portability, high measurement precision, monitoring of the stability of monitored environment, and high measurement speed.

The invention relates to the field of precision measurement technology and the field of optical engineering and in particular relates to a portable array zero setting laser large working distance auto-collimation device and method. The device comprises a light source, a collimating mirror, a reflector, and a feedback imaging system. The method makes reflected light beams return to the image plane center of the feedback imaging system by adjusting the reflector and obtains the angle change of the surface of a measured object by means of an angle deflection measuring device on the reflector. The reflector is added to a conventional auto-collimation angle measuring system, so that the problem that measurement is impossible because reflected light of a measured object deviates from the measuring system is solved and the auto-collimation working range is increased on the condition of the same working distance or the working distance is increased on the condition of the same auto-collimation working range. Owing to the specific design of the collimating mirror, the feedback imaging system and the reflector, the device is small, portable, and high in measurement precision, can perform measurement in unstable measurement environments, and can perform measurement rapidly.

The invention belongs to the technical field of precision measurement and the field of optical engineering, and particularly relates to a combined zeroing high-precision laser large-working-distance auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflecting mirror, and a feedback imaging system. According to the method, a reflecting light beam returns to an image surface center of the feedback imaging system by adjusting the reflecting mirror, and the angle change of the surface of a measured object by using an angle deflection measurement device on the reflecting mirror. Due to addition of the reflecting mirror to a traditional auto-collimation angle measurement system, the problem that the measured object cannot be measured due to deflection of reflecting light of the measured object from the measurement system can be avoided, thereby having the advantages of expansion of an auto-collimation working range under the same working distance or increase of the working distance under the same auto-collimation working range. Besides, due to specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the combined zeroing high-precision laser large-working-distance auto-collimation device has the technical advantages of simple structure, low manufacturing cost, ability to monitor the stability of a measurement environment, and quick measurement.

The invention belongs to the technical field of precise measurement and the field of optical engineering, and specifically relates to a portable array zero setting high-dynamic-precision large working-distance auto-collimation device and method. The device is composes of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system. The method is characterized in that the reflecting mirror is adjusted to enable a reflecting light beam to be fed back to the image surface center of the feedback imaging system, and an angle deflection measuring device on the reflecting mirror is utilized to obtain the angle change of the surface of a detected object. The reflecting mirror is added to a conventional auto-collimation angle measuring system, so that the problem that light reflected by the detected object deviates from the measuring system and the measurement is unavailable is avoided, the auto-collimation working range is increased under the identical working distance, or the advantages of the working distance are increased under the identical working range; the specific design of the collimating mirror, the feedback imaging system and the reflecting mirror facilitates the miniaturization, portability and high measurement precision of the device; the assembling process of the detected object is monitored in the whole process; and rapid measurement is available.

The invention belongs to the technical field of precision measurement and the field of optical engineering and specifically relates to a combination zeroing laser large working distance auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system; according to the method, via adjustment of the reflecting mirror, a reflected light beam is enabled to return to a center of an image plane of the feedback imaging system; an angular deflection measurement device on the reflecting mirror is used for obtaining angular variation of a surface of an object being tested. Because the reflecting mirror is added in a traditional auto-collimation angle measurement system, a problem that measurement cannot be realized when light reflected by the object being tested is deviated from a measurement system can be prevented; an auto-collimation working scope can be expanded while working distance remains the same or working distance is increased while the auto-collimation working scope remains the same; via specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the laser large working distance auto-collimation device is enabled to be simple in structure and low in manufacture cost; measurement operation can be conducted even in unstable measurement environments, and a technical advantage of rapid measurement can be gained.

The invention belongs to the technical field of precision measurement and the field of optical engineering and particularly relates to a portable high-dynamic-precision large-working-distance auto-collimation device and method. The device is composed of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system. The method includes the steps that the reflecting mirror is adjusted, reflected light beams return to the center of the image surface of the feedback imaging system, and the angle change of the surface of a measured object is acquired through an angle deflection measuring device on the reflecting mirror. Due to the fact that the reflecting mirror is additionally arranged on a traditional auto-collimation angle measuring system, the problem that due to the fact that reflected light of the measured object deviates from the measuring system, measurement cannot be carried out can be avoided, and then the advantage that the auto-collimation working range is increased at the same working distance or the working distance is increased within the same working range is achieved; in addition, through the specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the device and method further have the technical advantages that the device is small, portable and high in measuring precision; the assembly process of the measured object can be monitored in the whole course; measurement is rapid.

The present invention belongs to the precise measurement technology field and the optical engineering field, in particular relates to an array zero setting high-precision laser large-working distance auto-collimation device and method. The device is composed of a light source, a collimating mirror, a reflector and a feedback imaging system, and the method is characterized in that by adjusting the reflector, a reflected light beam returns to the center of an image plane of the feedback imaging system, and then by utilizing an angle deflection measurement device on the reflector, the angle change on the surface of a measured object is obtained. According to the present invention, by adding the reflector on a conventional auto-collimation angle measurement system, the problem that the reflected light of the measured object deviates the measurement system, so that the reflected light of the measured object can not be measured, can be avoided, and further the technical advantage that an auto-collimation working range is increased under a same working distance, or the working distance is increased under the same auto-collimation working range, is realized. In addition, by the concrete design of the devices, such as the collimating mirror, the feedback imaging system, the reflector, etc., the device of the present invention is simple in structure and low in manufacturing cost. Meanwhile, according to the present invention, the technical advantages of being able to monitor and measure environmental stability, and being rapid to measure are realized.

The invention belongs to the technical field of precision measurement and the field of optical engineering and specifically relates to a portable array zeroing high precision large working distance auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflecting mirror and a feedback imaging system. According to the method, a reflected light beam is returned to an image plane center of the feedback imaging system via adjustment of the reflecting mirror, and angular variation of a surface of an object being measured is obtained via use of an angle deflection measuring device on the reflecting mirror; due to arrangement of the reflecting mirror on a traditional auto-collimation angle measurement system, a problem that measurement cannot be realized when reflected light deviates from the measurement system can be prevented, and an auto-collimation working range can be increased when working distance remains the same or a working distance advantage can be enhanced when the working range remains the same; via specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the portable array zeroing high precision large working distance auto-collimation device is technically advantageous in that the device is small in size, high in portability and great in measurement precision, and particularly the device is high in measurement precision and high in measurement speed when sampling frequency is low.

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 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 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 belongs to the fields of precision measurement technology and optical engineering, and specifically relates to an array zeroing high-precision large-working-distance auto-collimation apparatus and method. The apparatus is formed by a light source, a collimating mirror, a reflecting mirror, and a feedback imaging system. According to the method, through adjustment of the reflecting mirror, reflecting beam is returned to the mirror center of the feedback imaging system, and angle variation of the surface of a measured object is obtained by employing an angle deflection measuring device on the reflecting mirror; a conventional auto-collimation angle measuring system is additionally provided with the reflecting mirror so that the problem of measurement failure due to the deflection of reflecting light of the measured object from the measuring system can be avoided, and the auto-collimation work range is increased with the same working distance, or the working distance is increased with the same auto-collimation work range; moreover, specific designs such as the collimating mirror, the feedback imaging system and the reflecting mirror are provided so that the structure is simple and the manufacturing cost is low; the measuring precision is high especially with low sampling frequency; and the measurement is rapid.

The invention belongs to the fields of a precision measurement technology and optical engineering and relates to a portable laser large-working distance auto-collimation device and method. The device comprises a light source, a collimating mirror, a reflector and a feedback imaging system. The method utilizes reflector adjustment to return reflected light to the image plane center of the feedback imaging system and utilizes an angle deflection measurement device on the reflector to acquire angle change of the surface of an object to be detected. The reflector is used based on the traditional auto-collimation angle measurement system so that measurement failure caused by detected object reflected light deviation from a measurement system is avoided and thus an auto-collimation work range is widened under the same work distance or a work distance is increased in the same auto-collimation work range. Through the collimating mirror, the feedback imaging system and the reflector, the portable laser large-working distance auto-collimation device has a small volume and a high measurement precision, is portable and realizes measurement in an unstable measurement environment and fast measurement.

The invention belongs to the technical field of precision measurement and the field of optical engineering and specifically relates to a portable combined zeroing high-dynamic-accuracy large-working-distance self-collimation device and method. The device comprises a light source, a collimating lens, a reflector and a feedback imaging system. The method comprises the following steps: adjusting the reflector, causing the reflected light beam return to the center of the image plane of the feedback imaging system, and then utilizing an angular deflecting measuring device on the reflector to acquire the angle change on the surface of the measured object. According to the invention, the reflector is added to the traditional self-collimation angular measuring system, the problem of being unable to measure resulted from the reflected light of the measured object deviating from the measurement system can be avoided, the self-collimation work scope can be increased under same working distance or the working distance can be increased under same work scope; besides, due to the specific design for the collimation lens, the feedback imaging system, and the reflector, the device provided by the invention is smart, portable and high in measurement precision, can be used for monitoring the whole assembling process of the measured object and has the technical advantage of quick measurement.

The invention relates to the field of precision measurement technology and the field of optical engineering and in particular relates to a portable combined zero setting high precision laser large working distance auto-collimation device and method. The device comprises a light source, a collimating mirror, a reflector, and a feedback imaging system. The method makes reflected light beams return to the image plane center of the feedback imaging system by adjusting the reflector and obtains the angle change of the surface of a measured object by means of an angle deflection measuring device on the reflector. The reflector is added to a conventional auto-collimation angle measuring system, so that the problem that measurement is impossible because reflected light of a measured object deviates from the measuring system is solved and the auto-collimation working range is increased on the condition of the same working distance or the working distance is increased on the condition of the same working range. Owing to the specific design of the collimating mirror, the feedback imaging system and the reflector, the device is small, portable, and high in measurement precision, can monitor the stability of measurement environments, and can perform measurement rapidly.

The invention belongs to the technical field of precision measurement and the field of optical engineering, and particularly relates to a combined zeroing high-precision laser large-working-distance auto-collimation device and method. The device consists of a light source, a collimating mirror, a reflecting mirror, and a feedback imaging system. According to the method, a reflecting light beam returns to an image surface center of the feedback imaging system by adjusting the reflecting mirror, and the angle change of the surface of a measured object by using an angle deflection measurement device on the reflecting mirror. Due to addition of the reflecting mirror to a traditional auto-collimation angle measurement system, the problem that the measured object cannot be measured due to deflection of reflecting light of the measured object from the measurement system can be avoided, thereby having the advantages of expansion of an auto-collimation working range under the same working distance or increase of the working distance under the same auto-collimation working range. Besides, due to specific design of the collimating mirror, the feedback imaging system, the reflecting mirror and the like, the combined zeroing high-precision laser large-working-distance auto-collimation device has the technical advantages of simple structure, low manufacturing cost, ability to monitor the stability of a measurement environment, and quick measurement.

The invention belongs to the technical field of precise measurement and the field of optical engineering, and concretely relates to a portable combined zero-setting, high-frequency response and large-working distance auto-collimation apparatus and a method thereof. The apparatus is composed of a light source, a collimating mirror, a reflector and a feedback imaging system. The method comprises the following steps: the reflector is adjusted to make reflected light beams return to the center of the image plane of the feedback imaging system, and an angle deflection measuring device is used to obtain the angle change of the surface of a measured object. The reflector is arranged on a traditional auto-collimation angle measurement apparatus, so the problem of unable measurement caused by deviation of the reflected lights of the measured object from the measurement system is avoided, thereby the auto-collimation working range is greatly increased under a same working distance, or the working distance is substantially increased under a same auto-collimation working range. The concrete design of the collimating mirror, the feedback imaging system and the reflector makes the apparatus have the advantages of small size, portability and high measurement precision; and the apparatus and the method have very high measurement speed.

The invention belongs to the technical field of precise measuring and the field of optical engineering, and particularly relates to a high-accuracy laser large-working-distance auto-collimation device and method. The device is composed of a laser source, a collimation lens, a reflector and a feedback imaging system. The method includes the steps that the reflector is adjusted, a reflected laser beam returns to the center of the image surface of the feedback imaging system, and then angle changes of the surface of a measured object are obtained through an angle deflection measuring device on the reflector. As the reflector is additionally arranged on a traditional auto-collimation angle measuring system, the problem that as lasers reflected by a measured object deviate from the measuring system, measuring can not be carried out is solved, and then the technical advantage that the auto-collimation working range is expanded with the same working distance or the working distance is increased within the same auto-collimation working range is achieved; in addition, due to the specific design of the collimation lens, the feedback imaging system, the reflector and the like, the device and method have the advantages that the structure is simple, the manufacturing cost is low, the stability of the measuring environment can be monitored, and rapid measuring can be achieved.

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.