CN213658087U - Protection device for thermal infrared imager camera lens and thermal infrared imager - Google Patents
Protection device for thermal infrared imager camera lens and thermal infrared imager Download PDFInfo
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- CN213658087U CN213658087U CN202022381030.5U CN202022381030U CN213658087U CN 213658087 U CN213658087 U CN 213658087U CN 202022381030 U CN202022381030 U CN 202022381030U CN 213658087 U CN213658087 U CN 213658087U
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- infrared imager
- thermal infrared
- protection device
- lens
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Abstract
The utility model relates to a device for fire fighting, and discloses a protective device for a thermal infrared imager lens and a thermal infrared imager, which comprises a first protective device (2) and a thermal infrared imager lens hole (1), wherein the first protective device (2) is connected with the thermal infrared imager lens hole (1), and the first protective device (2) is a germanium window; first protector (2) are equipped with antireflection coating (21), germanium window body (22) and hard titanium membrane (23) in proper order, and antireflection coating (21) increase infrared transmissivity, and hard titanium membrane (23) strengthen protector's wearability, because thermal infrared imager is in the in-process of using, probably contact the spine object, attach on the camera lens easily to some smog in the environment and some objects, can protect the camera lens effectively through first protector, and whole design can satisfy fire control IP 67's fire standard simultaneously. Through the arrangement of the germanium window, the infrared ray transmitting function is strong, and the thermal imaging effect of the thermal infrared imager is not influenced.
Description
Technical Field
The utility model relates to a fire control unit has especially related to the protector and the thermal infrared imager of thermal infrared imager camera lens in the fire control use.
Background
In the prior art, a thermal infrared imager is often used, and a lens of a general thermal infrared imager is protected by a lens cover; thus, the operation is troublesome; and the lens cap protection device installed on the common thermal infrared imager is not suitable for the fire fighting process and can not meet the standard of fire fighting IP 67.
For example, the patent titles: the utility model provides an anti protection device that falls of hot infrared imager of hand-held type, patent application number is: 201821006471.3, respectively; application date: 2018-06-28 discloses a hand-held thermal infrared imager anti-falling protection device in the technical field of thermal infrared imager auxiliary devices, which comprises a thermal infrared imager main body, wherein the upper end of the thermal infrared imager main body is provided with a display screen, the front end of the thermal infrared imager main body is connected with a lens, the lower end of the thermal infrared imager main body is connected with a handle, the outer side of the display screen is provided with a protective outer cover, the front end of the thermal infrared imager main body is sleeved with a main body anti-falling sleeve, the main body anti-falling sleeve covers the outer side of the lens, the utility model is convenient for protecting the outer edge of the hand-held thermal infrared imager, protecting the end part of a handle part, the display screen and the lens, and for the lens which is easy to be damaged, when collision happens, a position mechanism becomes loose, a return spring is reset in time, two groups of outer covers are closed, the lens is covered and protected, and the handle can be subjected to angle adjustment, so that observation is facilitated.
Patent headings: a camera lens protector, patent application No.: CN201910481971.5, application date: the 2019-06-04 patent application discloses a camera lens protection device, which comprises a first connecting cylinder and a second connecting cylinder; the first connecting cylinder is sleeved on the camera lens; the second connecting cylinder is fixedly arranged at one end of the first connecting cylinder; the diameter of the second connecting cylinder is gradually increased along the direction far away from the first connecting cylinder in a horn shape; the first connecting cylinder is provided with a first cavity along the circumferential direction; the outer wall of the first connecting cylinder is provided with an opening communicated with the first cavity; a micro exhaust fan is arranged on the opening; the opening is also provided with a filter cover; the filter cover is covered on the miniature exhaust fan; the second connecting cylinder is provided with a second cavity along the circumferential direction; the second cavity is communicated with the first cavity; a plurality of exhaust holes communicated with the second cavity are formed in the inner side wall of the second connecting cylinder along the annular direction. According to the invention, the airflow protection area is formed in front of the camera lens, so that dust in the environment is prevented from falling onto the camera lens, and the camera shooting quality is improved.
Some camera lenses in the prior art have a protection device mainly used for protecting dust, and the lenses are protected through lens covers, so that the operation is troublesome, and the thermal infrared imager cannot reach the fire protection standard of fire protection IP67 during fire protection, and cannot be well applied to the thermal infrared imager for fire protection.
SUMMERY OF THE UTILITY MODEL
The utility model discloses there are some camera lenses to have protector mainly be used for the protection to the dust among the prior art, can not reach the effect of protection at will to the measurement of high temperature object like this, can not be applied to the shortcoming in the thermal infrared imager of fire control usefulness well, provide protector and thermal infrared imager of thermal infrared imager camera lens.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the protection device for the thermal infrared imager lens comprises a first protection device and a thermal infrared imager lens hole, wherein the first protection device is connected with the thermal infrared imager lens hole, and the first protection device is a germanium window.
The lens of the thermal infrared imager can be well protected through the first protection device. And through the setting of germanium window, it is strong to pass through the function of infrared ray, does not influence thermal imaging effect of thermal infrared imager.
Preferably, the first guard is circular and has a diameter of 30mm to 40 mm. Through setting up the first protector of circular shape, can not shelter from like this at whole thermal infrared imager formation of image in-process to whole thermal infrared imager's thermal imaging is effectual.
The first protection device is further guaranteed to be matched with the lens hole through the limitation on the diameter, the shock resistance is good in the using process, and the imaging effect is good.
Preferably, the first protection device is sequentially provided with an antireflection film, a germanium window body and a hard titanium film, the antireflection film increases the infrared transmittance, and the hard titanium film enhances the wear resistance of the protection device.
Through the arrangement of the first protection device structure, the whole design is simple, the thermal imaging effect of the thermal infrared imager is guaranteed, and the use standard of the fire-fighting IP67 can be met.
Preferably, the thermal infrared imager further comprises a second protection device, the second protection device is connected with the thermal infrared imager lens hole, and the first protection device is arranged between the second protection device and the thermal infrared imager lens hole.
The first guard is further protected by the restriction of the second guard.
Preferably, the second guard is circular and has a larger diameter than the first guard.
A thermal infrared imager comprising a first protective device.
Preferably, the thermal infrared imager comprises a second protection device.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: because the thermal infrared imager may contact with the spine object in the using process, some smoke and some objects in the environment are easily attached to the lens, the lens can be effectively protected through the first protection device, and meanwhile, the whole design can meet the fire protection standard of fire protection IP 67. Through the arrangement of the germanium window, the infrared ray transmitting function is strong, and the thermal imaging effect of the thermal infrared imager is not influenced.
Drawings
Fig. 1 is a structure diagram of embodiment 2 of the present invention.
Fig. 2 is a structure diagram of embodiment 5 of the present invention.
Fig. 3 is a structural view of the first protection device of the present invention.
The names of the parts indicated by the numerical references in the above figures are as follows: the device comprises a thermal infrared imager, a first protection device, a second protection device, an antireflection film, a germanium window body and a hard titanium film, wherein the thermal infrared imager comprises 1-a lens hole, 2-the first protection device, 3-the second protection device, 21-the antireflection film, 22-the germanium window body and 23-the hard titanium film.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The protection device for the thermal infrared imager lens comprises a first protection device and a thermal infrared imager lens hole, wherein the first protection device is connected with the thermal infrared imager lens hole, and the first protection device is a germanium window.
The lens of the thermal infrared imager can be well protected through the first protection device. And through the setting of germanium window, it is strong to pass through the function of infrared ray, does not influence thermal imaging effect of thermal infrared imager.
The first protection device is circular, and the diameter of the first protection device is 30-40 mm. Through setting up the first protector of circular shape, can not shelter from like this at whole thermal infrared imager formation of image in-process to whole thermal infrared imager's thermal imaging is effectual.
The restriction on the diameter further ensures that the first protective device is matched with the lens hole, so that the shock resistance is good and the imaging effect is good in the using process.
The first protection device is sequentially provided with an antireflection film, a germanium window body and a hard titanium film, the antireflection film increases the infrared transmittance, and the hard titanium film enhances the wear resistance of the protection device.
Through the arrangement of the first protection device structure, the whole design process is simple, and the thermal imaging effect of the thermal infrared imager is guaranteed.
Example 2
On the basis of the embodiment 1, the embodiment further comprises a second protection device, the second protection device is connected with the thermal infrared imager lens hole, and the first protection device is arranged between the second protection device and the thermal infrared imager lens hole.
The first guard is further protected by the restriction of the second guard.
The second protection device is circular, and the diameter is greater than the first protection device.
Example 3
Based on the above embodiments, the present embodiment is a thermal infrared imager including the first protection device.
Example 4
On the basis of the above embodiments, the present embodiment includes the thermal infrared imager of the second protection device of embodiment 2.
Example 5
In the above embodiment, the first protection device of the present embodiment is circular and has a diameter of 33 mm.
Claims (6)
1. The protection device for the thermal infrared imager lens comprises a first protection device (2) and a thermal infrared imager lens hole (1), wherein the first protection device (2) is connected with the thermal infrared imager lens hole (1), and the protection device is characterized in that the first protection device (2) is a germanium window.
2. The protection device for a thermal infrared imager lens according to claim 1, characterized in that the first protection device (2) is circular and has a diameter of 30mm to 40 mmm.
3. The protection device for the thermal infrared imager lens according to claim 1, wherein the first protection device (2) is sequentially provided with an antireflection film (21), a germanium window body (22) and a hard titanium film (23), the antireflection film (21) increases infrared transmittance, and the hard titanium film (23) enhances wear resistance of the protection device.
4. The protection device for the thermal infrared imager lens according to claim 1, characterized by further comprising a second protection device (3), wherein the second protection device (3) is connected with the thermal infrared imager lens hole (1), and the first protection device (2) is disposed between the second protection device (3) and the thermal infrared imager lens hole (1).
5. The protection device for a thermal infrared imager lens according to claim 4, characterized in that the second protection device (3) is circular and has a larger diameter than the first protection device (2).
6. A thermal infrared imager comprising the protective device of the thermal infrared imager lens of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381030.5U CN213658087U (en) | 2020-10-23 | 2020-10-23 | Protection device for thermal infrared imager camera lens and thermal infrared imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022381030.5U CN213658087U (en) | 2020-10-23 | 2020-10-23 | Protection device for thermal infrared imager camera lens and thermal infrared imager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213658087U true CN213658087U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022381030.5U Active CN213658087U (en) | 2020-10-23 | 2020-10-23 | Protection device for thermal infrared imager camera lens and thermal infrared imager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213658087U (en) |
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2020
- 2020-10-23 CN CN202022381030.5U patent/CN213658087U/en active Active
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