CN210981534U - Thermal imaging camera of germanium-containing glass protection device - Google Patents
Thermal imaging camera of germanium-containing glass protection device Download PDFInfo
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- CN210981534U CN210981534U CN201921739657.4U CN201921739657U CN210981534U CN 210981534 U CN210981534 U CN 210981534U CN 201921739657 U CN201921739657 U CN 201921739657U CN 210981534 U CN210981534 U CN 210981534U
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Abstract
A thermal imaging camera with a germanium-containing glass protection device comprises a camera shell, a camera core, a cable lead-in device, a camera rear cover and a camera front window, wherein the camera core is arranged inside the camera shell, the camera rear cover is fixedly connected to one end of the camera shell, the camera front window is arranged at the other end of the camera shell, the cable lead-in device is arranged in the middle of the camera shell, the camera front window comprises a germanium glass sheet, a sealing gasket, a pressing ring and the germanium glass protection device, the germanium glass sheet is arranged on the inner side of an annular window seat, the pressing ring is arranged on the inner side of the germanium glass sheet, the pressing ring is connected with the camera shell to fix the germanium glass sheet, the germanium glass protection device is a metal grid, and is fixedly connected with the camera window shell on the outer side of the germanium glass sheet to cover the whole front window; the utility model discloses because of using in explosion environment, dangerous high, when the appearance from the outside of making a video recording suffered the impact, germanium glass protection device can replace germanium glass to bear the harm, and protection germanium glass does not receive the damage.
Description
Technical Field
The utility model belongs to explosion-proof thermal imaging appearance field of making a video recording especially relates to a thermal imaging appearance of making a video recording that contains germanium glass protection device.
Background
The thermal imaging camera, also known as an infrared thermal imager, can convert invisible infrared energy emitted by an object into visible thermal images, different colors on the thermal images represent different temperatures of the object to be measured, and the thermal imaging camera is widely applied to fire prevention, night vision and security. The lens of the thermal imaging camera is made of germanium glass, the germanium glass has good light transmission performance in a 2-16 mu m wave band, the chemical property is relatively stable, and the germanium glass is not suitable for reacting with metal oxide, acidic substances, air and water. The general working wave band of the thermal imaging camera is 2-13 mu m, the transmittance of the common optical glass in the wave bands is extremely low, and the germanium glass has good transmittance for middle and far infrared rays. However, germanium belongs to rare metal elements, and the germanium-containing ores are few and dispersed, and almost no concentrated germanium ores exist, so that the extraction difficulty of high-concentration germanium is very high, and the production cost of germanium glass is very high. The utility model discloses an explosion-proof type thermal imaging camera, operational environment is complicated, and is dangerous higher, and the camera suffers external shock very easily and makes germanium glass destroyed, and it is higher to change germanium glass expense, and the work that causes from this interrupts and will bring the loss of more aspects, consequently, very necessary sets up one deck protection device in germanium glass outside, and this protection device can protect germanium glass not damaged, and does not influence germanium glass's light transmissivity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thermal imaging appearance of making a video recording that contains germanium glass protection device.
In order to achieve the purpose, the following technical scheme is provided: a thermal imaging camera of a germanium-containing glass protection device comprises a camera shell, a camera core, a cable lead-in device, a camera rear cover and a camera front window, wherein the camera shell is of a cylindrical structure; the camera front window comprises a germanium glass sheet, a sealing washer, a pressing ring and a germanium glass protection device, wherein the germanium glass sheet is arranged on the inner side of the annular window seat, the pressing ring is arranged on the inner side of the germanium glass sheet, the pressing ring is connected with the camera shell to fix the germanium glass sheet, and the sealing washer is arranged between the pressing ring and the germanium glass sheet; the germanium glass protection device is a metal grid and is fixedly connected with the camera shell on the outer side of the germanium glass sheet to cover the whole front window, so that the germanium glass sheet is protected.
Furthermore, an annular window seat is formed in the camera shell at the front window end of the camera along the circumferential direction, the germanium glass sheet is circularly embedded on the inner side of the annular window seat, and the diameter of the germanium glass sheet is smaller than that of the camera shell.
Furthermore, the germanium glass protection device is circular, the outer ring of the germanium glass protection device is an annular metal sheet, a plurality of threaded holes are circumferentially and uniformly distributed in the upper surface of the germanium glass protection device, the center of the annular metal sheet is a metal grid surface, the outer contour of the annular metal sheet is circular, grid openings are rectangular, and the diameter of the metal grid surface is slightly larger than that of the germanium glass sheet.
Furthermore, threaded connection is adopted between the germanium glass protection device and the camera shell, threaded connection is adopted between the pressing ring and the camera shell, and threaded connection is also adopted between the camera rear cover and the camera shell.
Furthermore, a through threaded hole is formed in the middle of the shell of the camera, the cable leading-in device is in threaded connection with the threaded hole from the outside, a combined cable is sealed inside the cable leading-in device, and the combined cable is led into the movement of the camera.
Further, the material for manufacturing the camera shell is 316L stainless steel.
The beneficial effects of the utility model reside in that: when the appearance of making a video recording suffers the impact from the outside, germanium glass protection device can replace germanium glass to bear the harm, and protection germanium glass does not receive the damage, when this germanium glass protection device receives the destruction when more serious, only needs to unscrew the construction bolt from the outside and can change the metal net piece, and it is convenient to change, can not interrupt the work of the appearance of making a video recording. The device has simple structure and convenient assembly, and has good protection effect on the camera working in the explosion-proof environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a germanium glass protection device;
labeled as: the device comprises a camera front window 1, a camera shell 2, a camera rear cover 3, a cable leading-in device 4, a camera movement 5, a germanium glass sheet 11, a sealing washer 12, a pressing ring 13, a germanium glass protection device 14, an annular window seat 15 and a combined cable 41.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1, the thermal imaging camera of the germanium-containing glass protection device comprises a camera front window 1, a camera housing 2, a camera rear cover 3, a cable lead-in device 4 and a camera core 5, wherein the camera housing 2 is of a cylindrical structure, the camera core 5 is arranged inside the camera housing 2, and the camera rear cover 3 is arranged at one end of the camera housing 2 and is in threaded connection with the camera housing 2; the front window 1 of the camera is arranged at the other end of the camera shell 2, a through hole is arranged in the middle of the camera shell 2 along the length direction, bulges with certain lengths are arranged on the inner part and the outer part of the camera shell 2 of the through hole to form a cylindrical thread groove with certain length, the cable leading-in device 4 is in threaded connection with the cylindrical thread groove, a combined cable 41 is hermetically wrapped in the cable leading-in device 4, and the combined cable 41 is led into the camera core 5; the front window 1 of the camera comprises a germanium glass sheet 11, a sealing washer 12, a pressing ring 13 and a germanium glass protection device 14, an annular window seat 15 is formed at the front window end of the camera along the circumferential direction of the camera shell 2, the germanium glass sheet 11 is circular and is inlaid on the inner side of the annular window seat 15, and the diameter of the germanium glass sheet is smaller than that of the camera shell 2. A pressing ring 13 is arranged on the inner side of the germanium glass sheet 11, the pressing ring 13 is connected with the camera shell 2 along the circumferential direction by a plurality of threads to fix the germanium glass sheet 11, and a sealing gasket 12 is arranged between the pressing ring 13 and the germanium glass sheet 11 to play a role in sealing and fixing; as shown in fig. 2, which is a schematic structural diagram of the germanium glass protection device 14, the germanium glass protection device 14 is circular, an outer ring of the germanium glass protection device is an annular metal sheet, a plurality of threaded holes are circumferentially and uniformly distributed on the outer ring, a center of the annular metal sheet is a metal grid surface, an outer contour of the annular metal sheet is circular, a grid opening is rectangular, and a diameter of the metal grid surface is slightly larger than a diameter of the germanium glass sheet 11. And at the threaded hole, the germanium glass protection device 14 is in threaded connection with the camera shell 2 by using a bolt with a corresponding size, and the germanium glass protection device 14 covers the whole camera front window 1 and plays a role in protecting the germanium glass sheet 11.
The thermal imaging camera of the germanium-containing glass protection device is made of 316L stainless steel, and the germanium glass protection device 14 is made of 316L stainless steel or other metal materials with high hardness and difficult corrosion.
The utility model discloses because of using in explosion environment, operational environment is complicated, and is dangerous higher, suffers when assaulting from the outside when the appearance of making a video recording, germanium glass protection device can replace germanium glass to bear the harm, and protection germanium glass does not receive the damage, when this germanium glass protection device receives to destroy when more serious, only needs to unscrew the construction bolt from the outside and can change the metal mesh piece, and it is convenient to change, can not interrupt the work of the appearance of making a video recording.
The above description is only a preferred collective embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a thermal imaging appearance of making a video recording that contains germanium glass protection device which characterized in that: the camera comprises a camera shell, a camera core, a cable lead-in device, a camera rear cover and a camera front window, wherein the camera shell is of a cylindrical structure, the camera core is arranged in the camera shell, the camera rear cover is fixedly connected to one end of the camera shell, the camera front window is arranged at the other end of the camera shell, and the cable lead-in device is arranged at the middle position of the camera shell from the outside and is fixedly connected with the camera shell; the camera front window comprises a germanium glass sheet, a sealing washer, a pressing ring and a germanium glass protection device, wherein the germanium glass sheet is arranged on the inner side of the annular window seat, the pressing ring is arranged on the inner side of the germanium glass sheet, the pressing ring is connected with the camera shell to fix the germanium glass sheet, and the sealing washer is arranged between the pressing ring and the germanium glass sheet; the germanium glass protection device is a metal grid surface and is fixedly connected with the camera shell on the outer side of the germanium glass sheet to cover the whole front window, so that the germanium glass sheet is protected.
2. The thermal imaging camera of claim 1, wherein: the camera shell is internally provided with an annular window seat along the circumference at the front window end of the camera, and the germanium glass sheet is circularly embedded at the inner side of the annular window seat and has a diameter smaller than that of the camera shell.
3. The thermal imaging camera of claim 2, wherein: the germanium glass protection device is circular, an outer ring of the germanium glass protection device is an annular metal sheet, a plurality of threaded holes are circumferentially and uniformly distributed in the upper surface of the germanium glass protection device, the center of the annular metal sheet is a metal grid surface, the outer contour of the metal grid surface is circular, grid openings are rectangular, and the diameter of the metal grid surface is larger than that of the germanium glass sheet.
4. The thermal imaging camera of claim 1, wherein: the germanium glass protection device is in threaded connection with the camera shell, the pressing ring is in threaded connection with the camera shell, and the camera back cover is in threaded connection with the camera shell.
5. The thermal imaging camera of claim 1, wherein: the middle part of the shell of the camera is provided with a through threaded hole, the cable lead-in device is in threaded connection with the threaded hole from the outside, a combined cable is sealed inside the cable lead-in device, and the combined cable is led into the core of the camera.
6. The thermal imaging camera of claim 1, wherein the camera housing is made of 316L stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739657.4U CN210981534U (en) | 2019-10-17 | 2019-10-17 | Thermal imaging camera of germanium-containing glass protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739657.4U CN210981534U (en) | 2019-10-17 | 2019-10-17 | Thermal imaging camera of germanium-containing glass protection device |
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| Publication Number | Publication Date |
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| CN210981534U true CN210981534U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921739657.4U Active CN210981534U (en) | 2019-10-17 | 2019-10-17 | Thermal imaging camera of germanium-containing glass protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630920A (en) * | 2020-12-07 | 2021-04-09 | 河北汉光重工有限责任公司 | Wide-temperature self-adaptive optical window |
-
2019
- 2019-10-17 CN CN201921739657.4U patent/CN210981534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630920A (en) * | 2020-12-07 | 2021-04-09 | 河北汉光重工有限责任公司 | Wide-temperature self-adaptive optical window |
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