CN218885152U

CN218885152U - Thermal infrared imager core structure capable of being installed in both normal mode and side mode

Info

Publication number: CN218885152U
Application number: CN202223360421.4U
Authority: CN
Inventors: 李龙; 陈继铭; 闫福文; 杨遥; 韩雷
Original assignee: Xi'an Zhongkelide Infrared Technology Co ltd
Current assignee: Xi'an Zhongkelide Infrared Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-18
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to a thermal infrared imager's core, concretely relates to can compromise thermal infrared imager core structure of just adorning, side dress for the current core of solving thermal infrared imager is because the mounted position is compact, and the dismouting that leads to core spare part is maintained hard, and can't satisfy under the different scenes the interchangeability demand of infrared core module, also does not benefit to the standardization of manufacturer realization core product and reduce cost's weak point simultaneously. The thermal infrared imager core structure capable of being installed in a normal mode and installed in a side mode comprises an installation bottom plate and a detector assembly, wherein the detector assembly comprises a shell, a detector bottom plate, a refrigeration type infrared detector, cooling fins, a circuit board assembly and a circuit board support; the utility model discloses the positive dress or the side dress of core is realized with mounting plate fixed connection to accessible shell outside bottom surface or an outside side, can directly compromise different optical system and use the scene and need not to change and then redesign core structure because of detector focal plane pixel matrix arrangement direction.

Description

Thermal infrared imager core structure capable of being installed normally and laterally

Technical Field

The utility model relates to a thermal infrared imager's core, concretely relates to thermal infrared imager core structure that can compromise formal dress, side dress.

Background

The thermal infrared imager can generate an infrared image or a thermal radiation image by adopting a non-contact detection method, has the advantage of being free from the influence of night and severe weather, and can find, identify and lock a target according to the heat radiated by a monitored object to the outside for a part which cannot be directly seen due to shielding. Because the device has the function of hidden detection, the device can monitor objects without depending on visible light, and thus, the device has wide application in various fields such as aviation, aerospace, electric power, medical treatment, safety precaution and the like. The thermal infrared imager mainly comprises an optical system, a machine core, a servo driving assembly and the like. The infrared refrigeration type movement is used as a core component in the thermal infrared imager, and along with the continuous development of modern integration technology and microelectronic packaging technology, the movement is also developed towards the direction of miniaturization, integration, standardization and serialization.

The thermal infrared imager core is usually integrated in the system as a module, and the installation position space is compact, so that the assembly, disassembly and maintenance of core parts are difficult. If the in-process that uses breaks down, need maintain the core after the whole dismantlement in the system to later stage need debug optical lens and core again, and whole process is wasted time and energy.

In addition, different optical systems require different installation directions of the movement, so that the installation mode of the detector changes, optical indexes such as optical axis consistency, graph uniformity and the like of the thermal infrared imager are ensured by adjusting the relative position of the infrared movement and the optical lens assembly, the movement with different structures is required to be customized in different optical systems under normal conditions, for a user, the interchangeability requirement of infrared movement modules under different scenes cannot be met, and meanwhile, the standardization and cost reduction of the movement product are realized by a manufacturer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving thermal infrared imager's current core because the mounted position is compact, the dismouting that leads to core spare part is maintained hard to and can't satisfy under the different scenes interchangeability demand of infrared core module, also do not benefit to the standardization that the manufacture realized the core product simultaneously and reduce cost's weak point, provide one kind and can compromise the thermal infrared imager core structure of formal dress, side dress.

In order to solve the disadvantages existing in the prior art, the utility model provides the following technical solution:

the utility model provides a can compromise infrared thermal imager core structure of formal dress, side dress for install in infrared thermal imager system, its special character lies in: the device comprises an installation bottom plate and a detector assembly arranged on the installation bottom plate;

the detector assembly comprises a shell, and a detector bottom plate, a refrigeration type infrared detector, a cooling fin, a circuit board assembly and a circuit board bracket which are arranged in the shell;

the detector bottom plate is fixedly connected with the bottom surface inside the shell, the refrigeration type infrared detector and the circuit board support are both arranged on the detector bottom plate, the circuit board assembly and the radiating fins are arranged on the circuit board support, and the circuit board assembly is in contact with the radiating fins;

the bottom surface or one of the outer side surfaces of the outer shell is fixedly connected with the mounting bottom plate, and the optical axis of the refrigeration type infrared detector is parallel to the bottom surface of the outer shell and the outer side surface of the outer shell, and the distances between the optical axis of the refrigeration type infrared detector and the outer side surface of the outer shell are equal.

Further, the shell comprises a shell body and a top cover, and the opening direction of the shell body is consistent with the opening direction of the thermal infrared imager system; the mounting direction of the connecting piece inside the detector assembly is consistent with the opening direction of the shell.

Further, a heat conduction layer is arranged between the refrigeration type infrared detector and the top surface of the detector bottom plate.

Further, the heat conduction layer adopts heat conduction silicone grease.

Furthermore, the radiating fin is in contact with the circuit board assembly through the heat conducting rubber pad for heat dissipation, and a radiating boss is arranged on the radiating fin and used for enlarging the heat dissipation area.

Furthermore, electromagnetic shielding layers are arranged on the surfaces of the installation bottom plate, the shell, the detector bottom plate, the refrigeration type infrared detector, the radiating fins, the circuit board assembly and the circuit board support.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model relates to a thermal infrared imager core structure capable of being installed in both a front side and a side, which comprises an installation bottom plate and a detector assembly, wherein the detector assembly comprises a shell, a detector bottom plate, a refrigeration type infrared detector, cooling fins, a circuit board assembly and a circuit board bracket; the utility model can realize the normal installation or side installation of the movement by fixedly connecting the outer bottom surface or one outer side surface of the shell with the mounting bottom plate, can directly consider different application scenes of the optical system without redesigning the movement structure due to the change of the arrangement direction of the focal plane pixel matrix of the detector, and is favorable for realizing the flexible exchange of the infrared movement under multiple scenes for a user; the manufacturing method is beneficial to the standardization establishment of the movement product, and the product cost is reduced.

(2) The utility model relates to a can compromise the infrared thermal imaging system core structure of formal dress, side dress, the opening direction of casing is unanimous with infrared thermal imaging system's opening direction in the shell, the installation direction of the inside connecting piece of detector subassembly is all unanimous with the opening direction of casing, only need leave the opening in infrared thermal imaging system, just can carry out quick assembly disassembly to all parts in the core and maintain, whole in-process need not demolish refrigeration type infrared detector, thereby avoid debugging optical index's in-process to consume a large amount of time and efforts again.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a thermal infrared imager core structure of the present invention, which can be installed both on the front side and on the side;

FIG. 2 is a schematic structural view of the side mount of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a detector assembly according to an embodiment of the present invention.

The reference numerals are illustrated below: 1, mounting a bottom plate; 2-detector assembly, 201-shell, 2011-shell, 2012-top cover, 202-detector bottom plate, 203-refrigeration type infrared detector, 204-cooling fin, 205-circuit board assembly, 206-circuit board support.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, the thermal infrared imager core structure capable of being installed both in a normal mode and in a side mode comprises an installation bottom plate 1 and a detector assembly 2 arranged on the installation bottom plate 1.

The detector assembly 2 comprises a shell 201, and a detector baseplate 202, a refrigeration type infrared detector 203, a cooling fin 204, a circuit board assembly 205 and a circuit board bracket 206 which are arranged in the shell 201. The shell 201, the detector baseplate 202, the radiating fins 204, the circuit board assembly 205 and the circuit board support 206 are all made of aluminum alloy materials; the surfaces of the installation base plate 1, the shell 201, the detector base plate 202, the refrigeration type infrared detector 203, the radiating fins 204, the circuit board assembly 205 and the circuit board bracket 206 are provided with electromagnetic shielding layers through conductive oxidation treatment for resisting interference.

The detector bottom plate 202 is fixedly connected with the inner bottom surface of the shell 201, the refrigeration type infrared detector 203 and the circuit board support 206 are both arranged on the top surface of the detector bottom plate 202, a heat conduction layer is arranged between the refrigeration type infrared detector 203 and the top surface of the detector bottom plate 202, and the heat conduction layer is made of heat conduction silicone grease in the embodiment; the circuit board assembly 205 and the heat sink 204 are arranged on the top surface of the circuit board support 206, the heat sink 204 is provided with a heat dissipation boss, the heat sink 204 is in contact with the circuit board assembly 205 through a heat conducting rubber pad for heat dissipation, and the heat dissipation boss is arranged on the heat sink 204 and used for enlarging the heat dissipation area.

Referring to fig. 1, when the bottom surface of the outer part of the housing 201 is fixedly connected with the mounting base plate 1, the thermal infrared imager core structure is a normal installation; referring to fig. 2, when one of the external side surfaces of the housing 201 is fixedly connected to the mounting base plate 1, the thermal infrared imager core structure is side-mounted; the optical axis of the refrigeration type infrared detector 203 is parallel to the bottom surface outside the shell 201 and the side surface outside the shell 201, the distances of the optical axis of the refrigeration type infrared detector 203 are equal, when the thermal infrared imager core structure is converted between normal installation and side installation, the optical axis of the refrigeration type infrared detector 203 is still relatively kept unchanged, the detector focal plane pixel matrix rotates for 90 degrees, and the display sizes of the visual fields in the horizontal direction and the vertical direction are changed.

For maintaining the core in narrow and small system space, shell 201 includes casing 2011 and top cap 2012, the opening direction of casing 2011 is unanimous with thermal infrared imager system's opening direction to the inside connecting piece of detector subassembly 2 all adopts the screw, and the installation direction of all screws all is unanimous with the opening direction of casing 2011, makes installation circuit board support 206 and circuit board assembly 205 carry out whole dismouting under the prerequisite of not demolising refrigeration type infrared detector 203, thereby avoids debugging optical system index again because of refrigeration type infrared detector 203 relative position changes in the maintenance process.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for those skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to substitute part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.

Claims

1. The utility model provides a can compromise thermal infrared imager core structure of formal dress, side dress for install in thermal infrared imager system, its characterized in that: comprises a mounting base plate (1) and a detector assembly (2) arranged on the mounting base plate (1);

the detector assembly (2) comprises a shell (201), and a detector bottom plate (202), a refrigeration type infrared detector (203), a cooling fin (204), a circuit board assembly (205) and a circuit board support (206) which are arranged in the shell (201);

the detector bottom plate (202) is fixedly connected with the inner bottom surface of the shell (201), the refrigeration type infrared detector (203) and the circuit board support (206) are arranged on the detector bottom plate (202), the circuit board assembly (205) and the radiating fins (204) are arranged on the circuit board support (206), and the circuit board assembly (205) is in contact with the radiating fins (204);

the refrigeration type infrared detector is characterized in that the outer bottom surface or one of the outer side surfaces of the shell (201) is fixedly connected with the mounting bottom plate (1), and the optical axis of the refrigeration type infrared detector (203) is parallel to the outer bottom surface of the shell (201) and the outer side surface of the shell (201) and has the same distance.

2. The thermal infrared imager core structure capable of being installed at both the front side and the side according to claim 1, characterized in that: the shell (201) comprises a shell (2011) and a top cover (2012), and the opening direction of the shell (2011) is consistent with the opening direction of the thermal infrared imager system; the mounting direction of the connecting piece inside the detector assembly (2) is consistent with the opening direction of the shell (2011).

3. The thermal infrared imager core structure capable of being installed at both the front side and the side according to claim 2, characterized in that: and a heat conduction layer is arranged between the refrigeration type infrared detector (203) and the detector bottom plate (202).

4. The thermal infrared imager core structure capable of being installed at both the front side and the side according to claim 3, characterized in that: the heat conducting layer is made of heat conducting silicone grease.

5. The thermal infrared imager core structure capable of being installed at both front and side according to any one of claims 1 to 4, characterized in that: the radiating fin (204) is in contact with the circuit board assembly (205) through the heat conducting rubber pad for heat dissipation, and a heat dissipation boss is arranged on the radiating fin (204).

6. The thermal infrared imager core structure capable of being installed at both the front side and the side according to claim 5, characterized in that: and electromagnetic shielding layers are arranged on the surfaces of the mounting base plate (1), the shell (201), the detector base plate (202), the refrigeration type infrared detector (203), the radiating fin (204), the circuit board assembly (205) and the circuit board support (206).