CN211651530U - Near-infrared single-spectrum dodging cross target - Google Patents
Near-infrared single-spectrum dodging cross target Download PDFInfo
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- CN211651530U CN211651530U CN202020257064.0U CN202020257064U CN211651530U CN 211651530 U CN211651530 U CN 211651530U CN 202020257064 U CN202020257064 U CN 202020257064U CN 211651530 U CN211651530 U CN 211651530U
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Abstract
A near-infrared single-spectrum dodging cross target relates to the technical field of target observation, and solves the problems that the existing system is complex and high in cost, or the system has short working time and is easily influenced by environment visible light, so that the display observation and the accurate calculation are inconvenient and the like; a heat dissipation sealing material is filled between the near-infrared single-spectrum cross light source and the target seat, a light homogenizing plate is arranged at the front end of the near-infrared single-spectrum cross light source, a target reticle is arranged at the front end of the light homogenizing plate, and cross partitions on the target reticle are installed in a manner of being overlapped with the near-infrared single-spectrum cross light source; the light source adopts the LED light source, and even light board adopts PC or PMMA material, and the target graticule adopts K9 material, can make the luminous even of cross target, and no deckle edge, the formation is neat, even in imaging system, and the edge is clear, the contrast is high.
Description
Technical Field
The utility model relates to a target observation technical field, concretely relates to even light cross target of near-infrared single spectrum.
Background
At present, the mainstream method for detecting the structural deformation of the large mechanical cabin in China is to calculate the deformation amount and the direction by using the variable quantity of the output data of the fiber-optic gyroscope, and the method has the advantages of high accuracy, strong environment adaptability, complex system and higher cost.
And a few imaging systems are used for observing the offset of the light source target to carry out deformation measurement, the structure is simple, the cost is low, the continuous working time of the light source target is short, the uniformity of the light source is poor, the influence of environment visible light is easily caused, and the display observation and the accurate calculation are not convenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve present system complicacy and with high costs, or there is system operating time short and easily receive the influence of environment visible light, lead to not being convenient for to show observation and carrying out accurate calculation scheduling problem, provide a near-infrared single spectrum dodging cross target.
A near-infrared single-spectrum dodging cross target comprises a target seat, a near-infrared single-spectrum cross light source, a dodging plate and a target reticle, wherein the near-infrared single-spectrum cross light source, the dodging plate and the target reticle are all fixed on the target seat; a heat dissipation sealing material is filled between the near-infrared single-spectrum cross light source and the target seat, a light homogenizing plate is arranged at the front end of the near-infrared single-spectrum cross light source, a target reticle is arranged at the front end of the light homogenizing plate, and a cross reticle on the target reticle is coincided with the near-infrared single-spectrum cross light source;
preferably, the near-infrared single-spectrum cross light source adopts an LED light source, and the diameter of the LED light source is 20 mm.
Preferably, the light homogenizing plate is made of a PC or PMMA material, and the thickness of the light homogenizing plate is 2.5 mm.
Preferably, the target reticle is made of K9 material, and the thickness of the target reticle is 2.5 mm.
The utility model has the advantages that: a near-infrared single spectrum dodging cross target, sustainable tens of days continuous operation and figure homogeneity and illuminance are unchangeable basically, the edge is clear, anti environment visible light interference is convenient for show observe and carry out accurate calculation simultaneously.
The utility model discloses a near-infrared single spectrum dodging cross target can make the cross target luminous even, and no deckle edge, the formation of image is neat, even in imaging system, and the edge is clear, the contrast is high. Similar near-infrared single-spectrum dodging cross targets do not appear at present.
Drawings
Fig. 1 is a front view of a near-infrared single-spectrum dodging cross target according to the present invention;
fig. 2 is a side sectional view of fig. 1.
In the figure: 1. the device comprises a target seat, 2 parts of heat dissipation sealing materials, 3 parts of near-infrared single-spectrum cross light sources, 4 parts of M2 multiplied by 8 screws, 5 parts of light homogenizing plates, 6 parts of target reticles and 7 parts of target reticle pressing rings.
Detailed Description
The following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Example (b):
as shown in fig. 2, the near-infrared single-spectrum dodging cross target includes a target base 1, a near-infrared single-spectrum cross light source 3, a dodging plate 5 and a target reticle 6, the near-infrared single-spectrum cross light source 3, the dodging plate 5 and the target reticle 6 are arranged in the target base 1, a heat dissipation sealing material 2 is filled between the near-infrared single-spectrum cross light source 3 and the target base 1, the near-infrared single-spectrum cross light source 3 and the target 1 are connected by using M2 × 8 screws 4, the dodging plate 5 is arranged at the front end of the near-infrared single-spectrum cross light source 3, the target reticle 6 is arranged at the front end of the dodging plate 5, the target reticle 6 and the near-infrared single-spectrum cross light source are installed in a superposition manner, and the target reticle pressing ring 7 is connected with the target base 1 to fix the target reticle 6.
In this embodiment, the heat dissipation sealing material 2 is made of insulating heat-conducting silicone grease, the near-infrared single-spectrum cross light source is an LED light source, and the diameter of the light source is 20 mm. The light homogenizing plate is made of PC or PMMA materials, and the thickness of the light homogenizing plate is 2.5 mm. The target reticle is made of K9 material, and the thickness of the target reticle is 2.5 mm.
The utility model discloses a theory of operation: after the power is on, the near-infrared single-spectrum cross light source 3 emits light and projects the light on the light homogenizing plate 5 to form uniform cross light spots, the light spots irradiate on the target reticle 6, uniform cross light beams are formed by penetrating through the target reticle 6 and irradiate in the imaging system.
The foregoing description of specific exemplary embodiments of the invention is merely illustrative of the presently preferred embodiments of the invention, and is not intended to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. In view of the other embodiments described in the present disclosure and the equivalent changes made, the protection scope of the present disclosure is also included.
Claims (6)
1. A near-infrared single-spectrum dodging cross target comprises a target seat (1), a near-infrared single-spectrum cross light source (3), a dodging plate (5) and a target reticle (6), wherein the near-infrared single-spectrum cross light source (3), the dodging plate (5) and the target reticle (6) are all fixed on the target seat (1); the method is characterized in that:
the heat dissipation sealing material (2) is filled between the near-infrared single-spectrum cross light source (3) and the target seat (1), the front end of the near-infrared single-spectrum cross light source (3) is provided with a light homogenizing plate (5), the front end of the light homogenizing plate (5) is provided with a target reticle (6), and cross-shaped partitions on the target reticle (6) are installed in a manner of being overlapped with the near-infrared single-spectrum cross light source.
2. The near-infrared single-spectrum dodging cross target as claimed in claim 1, wherein: the device is characterized by further comprising a target reticle pressing ring (7), wherein the target reticle (6) is fixedly connected with the target seat (1) through the target reticle pressing ring (7).
3. The near-infrared single-spectrum dodging cross target as claimed in claim 1, wherein: the near-infrared single-spectrum cross light source (3) adopts an LED light source, and the diameter of the LED light source is 20 mm.
4. The near-infrared single-spectrum dodging cross target as claimed in claim 1, wherein: the light homogenizing plate (5) is made of PC or PMMA materials, and the thickness of the light homogenizing plate (5) is 2.5 mm.
5. The near-infrared single-spectrum dodging cross target as claimed in claim 1, wherein: the target reticle (6) is made of K9 material, and the thickness of the target reticle (6) is 2.5 mm.
6. The near-infrared single-spectrum dodging cross target as claimed in claim 1, wherein: the heat dissipation sealing material (2) is insulating heat conduction silicone grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020257064.0U CN211651530U (en) | 2020-03-05 | 2020-03-05 | Near-infrared single-spectrum dodging cross target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020257064.0U CN211651530U (en) | 2020-03-05 | 2020-03-05 | Near-infrared single-spectrum dodging cross target |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211651530U true CN211651530U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202020257064.0U Active CN211651530U (en) | 2020-03-05 | 2020-03-05 | Near-infrared single-spectrum dodging cross target |
Country Status (1)
| Country | Link |
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| CN (1) | CN211651530U (en) |
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2020
- 2020-03-05 CN CN202020257064.0U patent/CN211651530U/en active Active
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