Anti-backlash double-view-field infrared thermal imaging lens and using method thereof
The invention provides an anti-backlash type double-view-field infrared thermal imaging lens and a using method thereof. The adopted scheme is as follows: the lens comprises a zoom group and a rear fixing group which are connected together in a matching manner, the zoom group comprises a zoom lens c...
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Main Authors | , , , |
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Format | Patent |
Language | Chinese English |
Published |
20.11.2020
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Online Access | Get full text |
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Abstract | The invention provides an anti-backlash type double-view-field infrared thermal imaging lens and a using method thereof. The adopted scheme is as follows: the lens comprises a zoom group and a rear fixing group which are connected together in a matching manner, the zoom group comprises a zoom lens cone and a zoom driven wheel. The zoom driven wheel is arranged at the rear part of the zoom lens cone and can rotate around the central axis of the zoom lens cone; an anti-backlash mechanism and a motor are mounted on the rear fixing group; a driving gear is mounted on the motor; the driving gear isin meshed connection with the zoom driven wheel; the anti-backlash mechanism comprises a constant-force spring, a spring rotating shaft and a spring guide assembly; the constant-force spring is woundon the spring rotating shaft, the extending end of the constant-force spring is connected to the zooming driven wheel, the constant-force spring bypasses the spring guide assembly, the spring guide assembly plays a role in te |
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AbstractList | The invention provides an anti-backlash type double-view-field infrared thermal imaging lens and a using method thereof. The adopted scheme is as follows: the lens comprises a zoom group and a rear fixing group which are connected together in a matching manner, the zoom group comprises a zoom lens cone and a zoom driven wheel. The zoom driven wheel is arranged at the rear part of the zoom lens cone and can rotate around the central axis of the zoom lens cone; an anti-backlash mechanism and a motor are mounted on the rear fixing group; a driving gear is mounted on the motor; the driving gear isin meshed connection with the zoom driven wheel; the anti-backlash mechanism comprises a constant-force spring, a spring rotating shaft and a spring guide assembly; the constant-force spring is woundon the spring rotating shaft, the extending end of the constant-force spring is connected to the zooming driven wheel, the constant-force spring bypasses the spring guide assembly, the spring guide assembly plays a role in te |
Author | HAN LIN LIU XING ZHANG QIBU FU XIAOKUI |
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DocumentTitleAlternate | 一种可消隙式双视场红外热像镜头及其使用方法 |
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Snippet | The invention provides an anti-backlash type double-view-field infrared thermal imaging lens and a using method thereof. The adopted scheme is as follows: the... |
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Title | Anti-backlash double-view-field infrared thermal imaging lens and using method thereof |
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