CN210781069U

CN210781069U - Inward infrared thermal imaging machine core module

Info

Publication number: CN210781069U
Application number: CN201922217670.XU
Authority: CN
Inventors: 赵照
Original assignee: Hefei Xinfoo Sensor Technology Co ltd
Current assignee: Hefei Xinfoo Sensor Technology Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-06-16
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a formula infrared thermal imaging core module is oozed into, including the camera lens, the camera lens base, the separation blade subassembly, infrared detector, the mount, first PCB circuit board, the PCB connecting piece, second PCB circuit board, back lid and PCB keysets, the camera lens is installed on the camera lens base, the mount, first PCB circuit board, the PCB connecting piece, second PCB circuit board and back lid tenon fourth of the twelve earthly branches in proper order connect, separation blade subassembly and infrared detector fix between camera lens base and mount, infrared detector fix between separation blade subassembly and mount and with first PCB circuit board electrical connection, first PCB circuit board, second PCB circuit board and PCB keysets are electrical connection in proper order, infrared detector and camera lens, the camera lens base, the focus of separation blade subassembly is established on same axis, the PCB keysets is fixed on the right side of back lid. The utility model provides the high thermal diffusivity has simplified the assembly step, convenient dismantlement and installation.

Description

Inward infrared thermal imaging machine core module

Technical Field

The utility model belongs to the technical field of infrared thermal imaging, concretely relates to formula infrared thermal imaging core module is oozed into.

Background

The infrared thermal imaging core is an infrared thermal imaging assembly of a long-wave uncooled focal plane, along with the development of science and technology, the infrared thermal imaging technology has spread from the high-end military application field to the civil field, and the infrared thermal imaging core module has wide application in the fields of security protection, vehicle-mounted night vision, unmanned aerial vehicle pod load, temperature measurement detection and personal consumption with the advantages of stable and reliable work, high sensitivity, good temperature resolution, long acting distance, strong penetrating power, capability of identifying hidden targets and the like. However, the existing infrared thermal imaging core module has large volume, complex installation and poor heat dissipation, and in addition, because the work of the circuit board easily generates static electricity, lower dust is generated, the performance of the infrared thermal imaging core module is influenced, and the requirement and the product development trend of the application of the thermal imaging product consumer market are not met.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, provide a simple to operate, dustproof, good heat dissipation's sweet-in formula infrared thermal imaging core module.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides a formula infrared thermal imaging core module is gone into to formula of breathing into, includes camera lens, camera lens base, separation blade subassembly, infrared detector, mount, first PCB circuit board, PCB connecting piece, second PCB circuit board, back lid and PCB keysets, the camera lens is installed on the camera lens base, mount, first PCB circuit board, PCB connecting piece, second PCB circuit board and back lid mortise-tenon joint in proper order, four angles of camera lens base, mount, PCB connecting piece and back lid set up the parallel 4 axis of screw hole formation perpendicularly respectively, separation blade subassembly and infrared detector are all fixed in the cavity that camera lens base and mount formed, infrared detector fixes between separation blade subassembly and mount and with first PCB circuit board electrical connection, first PCB circuit board, second PCB circuit board and PCB keysets are electrical connection in proper order, infrared detector and camera lens keysets, The focal lengths of the lens base and the baffle plate assembly are arranged on the same axis, and the PCB adapter plate is fixed on the right side of the rear cover.

Furthermore, all set up the preformed hole on mount, PCB connecting piece and the back lid, infrared detector's pin passes the mount preformed hole and pegs graft in first PCB circuit board, second PCB circuit board and PCB keysets realize electrical connection with PCB socket connection mode in proper order through the preformed hole.

Further, set up the mounting hole on the side of mount, the four corners of separation blade subassembly sets up the side arch and sets up the screw hole in the side arch, mounting hole on the mount and the screw hole adaptation on the separation blade subassembly.

Furthermore, the rear cover is provided with a threaded hole used for being fixed with the PCB adapter plate, and the PCB adapter plate is in threaded connection with the rear cover.

Furthermore, the fixed frame and the rear cover are provided with interfaces for connecting external products.

Further, the core module still includes the shield, the PCB keysets is located the shield, set up on the shield and be used for with the fixed screw hole of back lid and PCB keysets.

Preferably, the PCB connector is an aluminum substrate.

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

(1) the utility model utilizes the mortise and tenon type structure, such as the connection between the lens base and the fixing frame, the connection between the fixing frame and the PCB connecting piece, and the connection between the PCB connecting piece and the rear cover, to enhance the heat convection, increase the contact area and the heat dissipation area between the components, and improve the heat conduction effect and the heat dissipation performance; the product is assembled by adopting a mortise and tenon type structure, the stress of the product is no longer fixed screws at four corners, and the stress of the product is dispersed due to the increase of the contact surface, so that the whole machine core module is more stable and the buffering and damping effect is improved;

(2) in the utility model, the tenon-and-mortise connection mode of combining concave and convex parts is also adopted among the first PCB, the PCB connecting piece and the second PCB connecting piece, the position of a screw hole is saved, the heat dissipation perimeter and area of the edge of the PCB are increased, and the heat dissipation and heat conduction effects are enhanced;

(3) the fixed frame and the rear cover are provided with interfaces for connecting external products, so that the fixed frame and the rear cover can be externally connected with various products, and the multi-scene use of a user is facilitated; the arrangement of the dustproof cover enables the products to be combined into a relatively closed space, so that dust is prevented from falling into the products; the utility model discloses simplify the assembly step, convenient dismantlement and installation.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic view of the assembly structure of the present invention;

fig. 3 is a schematic structural view of the middle fixing frame of the present invention;

FIG. 4 is a schematic structural diagram of a PCB connector of the present invention;

fig. 5 is a schematic structural view of the middle and rear covers of the present invention.

Detailed Description

The following detailed description of the embodiments and specific operation of the present invention will be made with reference to fig. 1 to 5, but the scope of the present invention is not limited to the following examples.

The utility model discloses an it is interior infrared thermal imaging core module of formula to think, as shown in fig. 1, including camera lens 1, camera lens base 2, separation blade subassembly 3, infrared detector 4, mount 5, first PCB circuit board 6, PCB connecting piece 7, second PCB circuit board 8, back lid 9, PCB keysets 10 and shield 11, camera lens 1 is installed on camera lens base 2, during concrete installation, camera lens 1 passes through screw thread locking with camera lens base 2, mount 5, first PCB circuit board 6, PCB connecting piece 7, second PCB circuit board 8 and back lid 9 adopt the mode of unsmooth position combination to be mortise-tenon joint in proper order, adopt mortise-tenon joint formula structure, contact area and heat radiating area between each component have been increased, the convection heat transfer has been strengthened, heat conduction effect and thermal diffusivity have been improved.

Four corners of the lens base 2, the fixing frame 5, the PCB connecting piece 7 and the rear cover 9 are respectively and vertically provided with threaded holes to form 4 parallel axes, each side is screwed by adopting one screw or 2 screws during assembly, preferably, each side is screwed by adopting 2 screws from the front and back directions of the lens base 2 and the rear cover 9 respectively, and the assembly structure is shown in figure 2; separation blade subassembly 3 and infrared detector 4 are all fixed in the cavity that camera lens base 2 and mount 5 formed, infrared detector 4 fix between separation blade subassembly 3 and mount 5 and with first PCB circuit board 6 electrical connection, set up mounting hole 13 on the side of mount 5, the four corners of separation blade subassembly sets up the protruding 14 of side and sets up the screw hole on the protruding 14 of side, mounting hole 13 on the mount 5 and the screw hole adaptation on the separation blade subassembly 3, screw up the screw during installation and press from both sides infrared detector 4 simultaneously and tightly fix between the two, infrared detector 4 and camera lens 1, camera lens base 2, the focus of separation blade subassembly 3 is established on same axis.

The utility model discloses in, first PCB circuit board 6, second PCB circuit board 8 and PCB keysets 10 are electrical connection in proper order. Specifically, the fixing frame 5, the PCB connector 7 and the rear cover 9 are all provided with a reserved hole 12, as shown in fig. 3 to 5, respectively, wherein the PCB connector 7 is preferably an aluminum substrate. The pin of the infrared detector 4 passes through the preformed hole 12 of the fixing frame 5 and is inserted into the first PCB 6, and the first PCB 6, the second PCB 8 and the PCB adapter plate 10 are sequentially electrically connected in a PCB socket connection mode through the preformed hole 12 to transmit signals. PCB keysets 10 is fixed on the right side of back lid 9, specifically, set up on the back lid 9 and be used for with the fixed screw hole of PCB keysets 10, PCB keysets 10 and back lid 9 threaded connection just are located shield 11, set up on the shield 11 and be used for assembling fixed screw hole with back lid 9 and PCB keysets 10, the setting up of shield 11 makes the product make up into a relatively closed space, prevents that the dust from falling into the product.

In order to adapt to product application demand, set up the interface 15 that is used for connecting external product on mount 5 and the back lid 9, conveniently connect external product, do benefit to user's multi-scene and use, it is in to be noted the utility model discloses well do not injectly to interface 15's quantity and specific position of setting, can design according to specific actual demand.

The utility model simplifies the assembly steps, is convenient to disassemble and assemble, adopts the tenon-and-mortise type structure to assemble the whole structure, improves the heat dispersion performance, ensures that the stress of the product is dispersed not only by the fixed screws at four corners but also by the increase of the contact surface, ensures that the whole core module is more stable and improves the buffering and damping effect; the first PCB, the PCB connecting piece and the second PCB connecting piece are assembled and fixed in a tenon-and-mortise connection mode in which concave and convex parts are combined, the position of a screw hole is omitted, the heat dissipation perimeter and area of the edge of the PCB are increased, and the heat dissipation and heat conduction effects are enhanced.

The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. An immersion type infrared thermal imaging core module comprises a lens, a lens base, a baffle plate component, an infrared detector, a fixing frame, a first PCB (printed circuit board), a PCB connecting piece, a second PCB, a rear cover and a PCB adapter plate, and is characterized in that the lens is arranged on the lens base, the fixing frame, the first PCB, the PCB connecting piece, the second PCB and the rear cover are sequentially connected in a mortise-tenon manner, four corners of the lens base, the fixing frame, the PCB connecting piece and the rear cover are respectively and vertically provided with threaded holes to form 4 parallel axes, the baffle plate component and the infrared detector are both fixed in a cavity formed by the lens base and the fixing frame, the infrared detector is fixed between the baffle plate component and the fixing frame and is electrically connected with the first PCB, the second PCB and the PCB adapter plate are sequentially and electrically connected, the infrared detector is arranged on the same axis with the focal lengths of the lens, the lens base and the baffle plate assembly, and the PCB adapter plate is fixed on the right side of the rear cover.

2. The immersion type infrared thermal imaging core module according to claim 1, wherein the fixing frame, the PCB connector and the rear cover are all provided with a reserved hole, a pin of the infrared detector penetrates through the reserved hole of the fixing frame to be inserted into the first PCB, and the first PCB, the second PCB and the PCB adapter plate are sequentially electrically connected in a PCB socket connection mode through the reserved hole.

3. The immersion type infrared thermal imaging core module according to claim 2, wherein mounting holes are formed in the side face of the fixing frame, side protrusions are arranged at four corners of the baffle plate assembly, threaded holes are formed in the side protrusions, and the mounting holes in the fixing frame are matched with the threaded holes in the baffle plate assembly.

4. The immersion infrared thermal imaging core module of claim 2, wherein the rear cover is provided with a threaded hole for fixing with a PCB adapter plate, and the PCB adapter plate is in threaded connection with the rear cover.

5. The immersion infrared thermal imaging engine core module of claim 2, wherein the fixing frame and the rear cover are provided with interfaces for connecting external products.

6. The immersion type infrared thermal imaging core module according to any one of claims 1 to 5, further comprising a dust cover, wherein the PCB adapter plate is located in the dust cover, and a threaded hole for fixing the rear cover and the PCB adapter plate is formed in the dust cover.

7. The immersion infrared thermal imaging engine core module of claim 6, wherein the PCB connector is an aluminum substrate.