CN217878032U

CN217878032U - Anti-electromagnetic interference infrared thermal imaging engine core assembly of photoelectric measuring instrument

Info

Publication number: CN217878032U
Application number: CN202220797076.1U
Authority: CN
Inventors: 何璐; 宋天教
Original assignee: Wuhan Xinruihe Optoelectronics Technology Co ltd
Current assignee: Wuhan Xinruihe Optoelectronics Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-11-22
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses an anti-electromagnetic interference's infrared thermal imaging engine core subassembly of photoelectric measurement instrument, including casing assembly, casing assembly's one end is provided with imaging lens, casing assembly's inside be provided with a plurality of with the PCB board that imaging lens electricity is connected, casing assembly's inside wall is provided with the shielding layer, the inside one side of casing assembly is provided with the wave filter, casing assembly keeps away from imaging lens's one end be provided with alternate in casing assembly and with PCB board cooperation heat-radiating component who connects. Has the advantages that: the infrared thermal imaging engine core assembly has good electromagnetic interference resistance, and has good heat dissipation performance and sealing, dust-proof and water-proof performance.

Description

Anti-electromagnetic interference infrared thermal imaging engine core assembly of photoelectric measuring instrument

Technical Field

The utility model relates to an infrared thermal imaging core technical field particularly, relates to an anti-electromagnetic interference's infrared thermal imaging core subassembly of photoelectric measurement instrument.

Background

The infrared thermal imaging engine core component is a core component of an infrared thermal imager, and is mainly characterized in that a detector receives infrared radiation of a detected target, converts infrared radiation energy into an electric signal, generates gray data through system processing, and finally outputs the gray data in a mode of original data, digital or analog video signals, or directly processes the infrared radiation energy into temperature data to output the temperature data. The infrared thermal imaging product is used for military affairs and quasi-military affairs or some special fields, in particular to gun aiming, airborne, vehicle-mounted, ship-mounted and the like. However, the existing infrared thermal imaging engine core assembly has poor electromagnetic interference resistance, heat dissipation performance and use effect.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides an anti-electromagnetic interference's infrared thermal imaging engine core subassembly of photoelectric measurement instrument to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides an anti-electromagnetic interference's infrared thermal imaging engine core subassembly of photoelectric measurement instrument, includes casing assembly, casing assembly's one end is provided with imaging lens, casing assembly's inside be provided with a plurality of with the PCB board that imaging lens electricity is connected, casing assembly's inside wall is provided with the shielding layer, the inside one side of casing assembly is provided with the wave filter, casing assembly keeps away from imaging lens's one end be provided with alternate in casing assembly and with PCB board cooperation connected radiator unit.

Further, the casing subassembly comprises the main casing body, apron and connector, the main casing body with the apron connect respectively in the both ends of connector, the main casing body with the apron with all through a plurality of bolt fixed connection between the connector.

Furthermore, the shielding layer comprises a metal woven layer, an aluminum foil paper layer and an insulating surface layer, wherein the metal woven layer is positioned on the inner side wall of the shell component, the aluminum foil paper layer is positioned on the inner side wall of the metal woven layer, and the insulating surface layer is positioned on the inner side wall of the aluminum foil paper layer.

Furthermore, the heat dissipation assembly is composed of a heat dissipation plate, heat conduction columns and a plurality of heat dissipation columns, the heat conduction columns are connected between the heat dissipation plate and the PCB, the heat dissipation columns are connected to one side, far away from the heat conduction columns, of the heat dissipation plate, and a heat dissipation fan is arranged in the middle of one side of the heat dissipation plate.

Furthermore, the heat dissipation plate, the heat conduction column and the heat dissipation column are all made of aluminum, and a plurality of heat dissipation holes are formed in the heat dissipation plate.

Furthermore, the heat dissipation fan is connected with the heat dissipation plate in a matched mode through a movable rotating shaft, and one end of the movable rotating shaft is connected with the heat dissipation plate in a matched mode through a damping shaft.

Furthermore, one side of the cover plate is provided with a plurality of through holes matched with the heat conducting columns, and sealing rings are arranged inside the through holes.

The beneficial effects of the utility model are that: through the anti-electromagnetic interference photoelectric measuring instrument infrared thermal imaging engine core assembly which is composed of the shell assembly, the imaging lens, the PCB, the shielding layer, the filter and the heat dissipation assembly, the infrared thermal imaging engine core assembly is enabled to have better anti-electromagnetic interference performance, and meanwhile, the infrared thermal imaging engine core assembly has better heat dissipation performance and sealing dustproof and waterproof performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is one of schematic structural diagrams of an infrared thermal imaging engine core assembly of an anti-electromagnetic interference photoelectric measurement instrument according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of an infrared thermal imaging engine core assembly of an anti-electromagnetic interference photoelectric measurement instrument according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a heat dissipation assembly of an infrared thermal imaging engine core assembly of an electromagnetic interference resistant photoelectric measurement instrument according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an internal structure of an infrared thermal imaging engine core assembly of an anti-electromagnetic interference photoelectric measurement instrument according to an embodiment of the present invention;

fig. 5 is a schematic diagram of the internal structure of the housing assembly of the infrared thermal imaging engine core assembly of the electromagnetic interference resistant photoelectric measuring instrument according to the embodiment of the present invention;

fig. 6 is a schematic diagram of a partial structure of a shielding layer of an infrared thermal imaging engine core assembly of an electromagnetic interference resistant photoelectric measurement instrument according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a cooling fan of an infrared thermal imaging engine core assembly of an anti-electromagnetic interference photoelectric measurement instrument according to an embodiment of the present invention.

In the figure:

1. a housing assembly; 2. an imaging lens; 3. a PCB board; 4. a shielding layer; 5. a filter; 6. a heat dissipating component; 7. a main housing; 8. a cover plate; 9. a linker; 10. a metal braid layer; 11. an aluminum foil paper layer; 12. an insulating surface layer; 13. a heat dissipation plate; 14. a heat-conducting column; 15. a heat-dissipating post; 16. a heat radiation fan; 17. heat dissipation holes; 18. a movable rotating shaft; 19. a damping shaft; 20. a through hole; 21. and (5) sealing rings.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an anti-electromagnetic interference's infrared thermal imaging engine core subassembly of photoelectric measurement instrument.

The first embodiment is as follows:

as shown in fig. 1-7, according to the utility model discloses anti-electromagnetic interference's infrared thermal imaging engine core subassembly of photoelectric measurement instrument, including casing assembly 1, casing assembly 1's one end is provided with imaging lens 2, casing assembly 1's inside be provided with a plurality of with PCB board 3 that imaging lens 2 electricity is connected, casing assembly 1's inside wall is provided with shielding layer 4, the inside one side of casing assembly 1 is provided with wave filter 5, casing assembly 1 keeps away from imaging lens 2's one end be provided with alternate in casing assembly 1 and with PCB board 3 cooperatees radiating component 6 of connecting.

By means of the technical scheme, the infrared thermal imaging engine core assembly of the anti-electromagnetic interference photoelectric measuring instrument is formed by the shell assembly 1, the imaging lens 2, the PCB 3, the shielding layer 4, the filter 5 and the heat dissipation assembly 6, so that the infrared thermal imaging engine core assembly has good anti-electromagnetic interference performance and good heat dissipation performance and sealing, dust-proof and water-proof performance.

Example two:

as shown in fig. 1-7, an imaging lens 2 is disposed at one end of a housing assembly 1, a plurality of PCB boards 3 electrically connected to the imaging lens 2 are disposed inside the housing assembly 1, a shielding layer 4 is disposed on an inner side wall of the housing assembly 1, a filter 5 is disposed at one side inside the housing assembly 1, a heat dissipation assembly 6 is disposed at one end of the housing assembly 1 away from the imaging lens 2, the heat dissipation assembly is inserted into the housing assembly 1 and is connected to the PCB boards 3 in a matching manner, the housing assembly 1 is composed of a main housing 7, a cover plate 8 and a connector 9, the main housing 7 and the cover plate 8 are respectively connected to two ends of the connector 9, the main housing 7 and the cover plate 8 are fixedly connected to the connector 9 through a plurality of bolts, the shielding layer 4 is composed of a metal braid layer 10, an aluminum foil paper layer 11 and an insulating surface layer 12, the metal braid layer 10 is disposed on an inner side wall of the housing assembly 1, the aluminum foil paper layer 11 is disposed on an inner side wall of the metal braid layer 10, and the insulating surface layer 12 is disposed on an inner side wall of the aluminum foil paper layer 11.

Example three:

as shown in fig. 1-7, one end of the housing assembly 1 is provided with an imaging lens 2, the inside of the housing assembly 1 is provided with a plurality of PCB 3 electrically connected with the imaging lens 2, the inside wall of the housing assembly 1 is provided with a shielding layer 4, one side inside the housing assembly 1 is provided with a filter 5, one end of the housing assembly 1 far away from the imaging lens 2 is provided with a heat dissipation assembly 6 inserted in the housing assembly 1 and connected with the PCB 3 in a matching manner, the heat dissipation assembly 6 is composed of a heat dissipation plate 13, a heat conduction column 14 and a plurality of heat dissipation columns 15, the heat conduction column 14 is connected between the heat dissipation plate 13 and the PCB 3, the heat dissipation column 15 is connected to one side of the heat dissipation plate 13 far away from the heat conduction column 14, the middle position of one side of the heat dissipation plate 13 is provided with a heat dissipation fan 16, the heat dissipation plate 13, the heat conduction column 14 and the heat dissipation column 15 are made of aluminum material, the heat dissipation plate 13 is provided with a plurality of heat dissipation holes 17, the heat dissipation fan 16 is connected with the heat dissipation plate 13 in a matching manner through a movable rotating shaft 18, one end of the rotating shaft 18 is connected with the heat dissipation plate 13, one side of the cover plate is provided with a plurality of a heat conduction through hole 20 matched with a through hole 20, and a through hole 20 matched with a through hole 20.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, through filter 5 and shielding layer 4 composed of metal braid 10, aluminum foil paper layer 11 and insulating surface 12, make this infrared thermal imaging engine core subassembly have better anti-electromagnetic interference performance, through by heating panel 13, heat conduction post 14, radiator module 6 that radiator post 15 and radiator fan 16 constitute, make this infrared thermal imaging engine core subassembly have better heat dispersion, simultaneously at radiator fan 16 during operation, because its rotation produces reaction force, make radiator fan 16 carry out at the uniform velocity rotation along damping axle 19, thereby can improve radiator module 6's whole heat dispersion, simultaneously infrared thermal imaging engine core subassembly adopts sealed structure, can make infrared thermal imaging engine core subassembly have dustproof waterproof performance.

To sum up, with the aid of the above technical scheme of the utility model, through setting up the anti-electromagnetic interference's that comprises casing assembly 1, imaging lens 2, PCB board 3, shielding layer 4, wave filter 5 and radiator unit 6 photoelectric measurement instrument infrared thermal imaging engine core subassembly to make this infrared thermal imaging engine core subassembly have better anti-electromagnetic interference performance, have better heat dispersion and sealed dustproof and waterproof performance simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an anti-electromagnetic interference's infrared thermal imaging engine core subassembly of photoelectric measurement instrument, its characterized in that, includes casing subassembly (1), the one end of casing subassembly (1) is provided with imaging lens (2), the inside of casing subassembly (1) be provided with a plurality of with PCB board (3) that imaging lens (2) electricity is connected, the inside wall of casing subassembly (1) is provided with shielding layer (4), the inside one side of casing subassembly (1) is provided with wave filter (5), casing subassembly (1) is kept away from the one end of imaging lens (2) be provided with alternate in casing subassembly (1) and with radiator unit (6) that PCB board (3) cooperateed and connect.

2. The infrared thermal imaging engine core assembly of the photoelectric measuring instrument of anti-electromagnetic interference of claim 1, characterized in that, the said casing assembly (1) is formed by main casing (7), cover plate (8) and connector (9), the said main casing (7) and the said cover plate (8) are connected to both ends of the said connector (9) respectively, the said main casing (7) and the said cover plate (8) and the said connector (9) are all fixedly connected by a plurality of bolts.

3. The infrared thermal imaging engine core assembly of the photoelectric measuring instrument of anti-electromagnetic interference of claim 2, characterized in that, the shielding layer (4) is composed of a metal woven layer (10), an aluminum foil paper layer (11) and an insulating surface layer (12), the metal woven layer (10) is located on the inner side wall of the shell assembly (1), the aluminum foil paper layer (11) is located on the inner side wall of the metal woven layer (10), and the insulating surface layer (12) is located on the inner side wall of the aluminum foil paper layer (11).

4. The infrared thermal imaging engine assembly of an anti-electromagnetic interference photoelectric measuring instrument according to claim 3, characterized in that the heat dissipation assembly (6) is composed of a heat dissipation plate (13), a heat conduction column (14) and a plurality of heat dissipation columns (15), the heat conduction column (14) is connected between the heat dissipation plate (13) and the PCB (3), the heat dissipation column (15) is connected to the side of the heat dissipation plate (13) far away from the heat conduction column (14), and a heat dissipation fan (16) is arranged in the middle of the side of the heat dissipation plate (13).

5. The infrared thermal imaging engine assembly of an anti-electromagnetic interference photoelectric measuring instrument according to claim 4, wherein the heat dissipating plate (13), the heat conducting posts (14) and the heat dissipating posts (15) are made of aluminum, and the heat dissipating plate (13) is provided with a plurality of heat dissipating holes (17).

6. The infrared thermal imaging engine core assembly of the anti-electromagnetic interference photoelectric measuring instrument of claim 5, characterized in that, the heat dissipating fan (16) is connected with the heat dissipating plate (13) by a movable shaft (18), and one end of the movable shaft (18) is connected with the heat dissipating plate (13) by a damping shaft (19).

7. The infrared thermal imaging engine assembly of an anti-electromagnetic interference photoelectric measuring instrument according to claim 6, wherein a plurality of through holes (20) matched with the heat conducting columns (14) are formed in one side of the cover plate (8), and sealing rings (21) are arranged inside the through holes (20).