Heated lens structure

Abstract

The present application provides a heating lens structure, including a lens barrel, a heating component, and a first lens, wherein the heating component includes a pre-assembled and fixed heat-conducting element and a heating element. During assembly, the heat-conducting element can be first positioned and installed in the mounting cavity of the lens barrel, and the heating element can be conveniently assembled. Then, the first lens is assembled at the front end of the mounting cavity and abuts against the heat-conducting element. Heat is generated by the heating element and transferred to the first lens through the heat-conducting element, so that its temperature is increased, thereby realizing the defog and de-icing functions. This structure is convenient for assembly and positioning, has high heating efficiency, is easy to repair and recycle, has simple parts processing, and has low cost.

Description

Technical Field

[0001] The present application relates to the field of heating lenses, and in particular to a heating lens structure. Background Art

[0002] At present, existing cameras usually use FPC flexible circuit boards or wiring harnesses to electrically connect the heating element to the camera circuit board, so as to achieve the effects of defogging or deicing the lens by heating the heating element. However, the existing heating element is inconvenient to assemble and is not easy to repair and recycle. Utility Model Content

[0003] In order to overcome the technical problems of the inconvenient assembly and difficult repair and recycling of the heating elements of the existing heating lens, the present application describes a heating lens structure, which is convenient for assembly and positioning, has high heating efficiency, is easy to repair and recycle, has simple parts processing and low cost.

[0004] In order to achieve the above object, the utility model discloses a heating lens structure, comprising:

[0005] A lens barrel having a mounting cavity therein;

[0006] A heating assembly, comprising a pre-fixed and assembled heat-conducting element and a heating element, wherein the heat-conducting element can be positioned and installed in the installation cavity;

[0007] The first lens is arranged at the front end of the mounting cavity and abuts against the heat-conducting element. The heating element heats the heat-conducting element to conduct heat to the first lens.

[0008] The heating lens structure as described above further includes an elastic member disposed between the heating element and the mounting cavity, wherein the elastic member is used to drive the heating element to press toward the heat conducting element.

[0009] In the above-mentioned heating lens structure, the outer wall of the heat-conducting element is matched with the inner wall of the installation cavity.

[0010] In the above-mentioned heating lens structure, the heating element is fixedly assembled on the heat-conducting element by gluing or thread locking.

[0011] In the above-mentioned heating lens structure, the outer periphery of the lower end of the heat-conducting element is provided with a convex edge portion protruding downward, and the heating element is arranged on the inner side of the convex edge portion.

[0012] In the above-mentioned heating lens structure, a ring-shaped protruding light-blocking ring portion is provided in the middle of the heat-conducting element.

[0013] In the above-mentioned heating lens structure, the heating element includes a heating plate and a conductive element. The heating plate is arranged on the other side of the thermal conductive element away from the first lens. One end of the conductive element is electrically connected to the heating plate, and the other end extends toward the rear side of the lens barrel.

[0014] In the above-mentioned heating lens structure, a wire passage communicating with the mounting cavity is provided on the inner wall of the lens barrel, and the conductive element extends through the wire passage to the rear end or side end of the lens barrel.

[0015] In the above-mentioned heating lens structure, a mounting groove is provided at the front end of the lens barrel located on the upper side of the mounting cavity, and a sealing ring is provided between the outer ring of the bottom of the first lens and the mounting groove.

[0016] The heating lens structure as described above further includes a pressure cover, and the pressure cover cooperates with the front end of the lens barrel to lock the first lens on the lens barrel.

[0017] In the above-mentioned heating lens structure, the lens barrel is an integrated structure, an AA structure or a threaded structure.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present application provides a heating lens structure, including a lens barrel, a heating component, and a first lens, wherein the heating component includes a pre-assembled and fixed heat-conducting element and a heating element. During assembly, the heat-conducting element can be first positioned and installed in the mounting cavity of the lens barrel, and the heating element can be conveniently assembled. Then, the first lens is assembled at the front end of the mounting cavity and abuts against the heat-conducting element. Heat is generated by the heating element and transferred to the first lens through the heat-conducting element, so that its temperature is increased, thereby realizing the defog and de-icing functions. This structure is convenient for assembly and positioning, has high heating efficiency, is easy to repair and recycle, has simple parts processing, and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for describing the embodiments are briefly introduced below.

[0021] Figure 1 is a cross-sectional schematic diagram of a heating lens structure in Example 1 of the present application;

[0022] Figure 2 is a cross-sectional exploded schematic diagram of a heating lens structure in Example 1 of the present application;

[0023] Figure 3 is a schematic diagram of the structure of the heating component in Example 1 of the present application;

[0024] Figure 4is a schematic structural diagram of the heating component in Example 1 of the present application from another perspective;

[0025] Figure 5 is a cross-sectional exploded schematic diagram of a heating lens structure in Example 2 of the present application;

[0026] Figure 6 is a schematic diagram of the structure of the heating assembly and the elastic member in Example 2 of the present application;

[0027] Figure 7 is an exploded schematic diagram of the heating assembly and the elastic member in Example 2 of the present application;

[0028] Figure 8 is a cross-sectional exploded schematic diagram of a heating lens structure in Example 3 of the present application;

[0029] Fig. 9 is a schematic diagram of the structure of the heating assembly and the elastic member in Example 3 of the present application;

[0030] Fig.10 is a cross-sectional exploded schematic diagram of a heating lens structure in Example 4 of the present application;

[0031] Fig.11 is a schematic cross-sectional exploded view of a heating lens structure in Example 5 of the present application;

[0032] Fig.12 It is a cross-sectional exploded schematic diagram of a heating lens structure in Example 6 of the present application.

[0033] Explanation of main figure marks: lens barrel 1, mounting cavity 10, wire passage 11, mounting groove 12, sealing ring 13, heating assembly 2, heating element 21, heating plate 211, conductive element 212, heat conducting element 22, aperture ring portion 220, supporting convex ring 221, convex edge portion 222, first lens 3, pressure cover 4, second lens 5, elastic member 6. DETAILED DESCRIPTION

[0034] like Figure 1-12 As shown, a heating lens structure includes a lens barrel 1, a heating assembly 2, a first lens 3 and a pressure cover 4, wherein the lens barrel 1 has an installation cavity 10 inside; the heating assembly 2 includes a pre-fixed and assembled heat-conducting element 22 and a heating element 21, and the heat-conducting element 22 can be positioned and installed in the installation cavity 10; the first lens 3 is arranged at the front end of the installation cavity 10 and abuts against the heat-conducting element 22, and the heating element 21 heats the heat-conducting element 22 to transfer heat to the first lens 3; the pressure cover 4 cooperates with the front end of the lens barrel 1 to lock the first lens 3 on the lens barrel 1.

[0035] The present application provides a heating lens structure, comprising a lens barrel, a heating component, a first lens and a pressure cover, wherein the heating component comprises a pre-assembled and fixed heat-conducting element and a heating element. During assembly, the heat-conducting element can be first positioned and installed in the mounting cavity of the lens barrel, and the heating element can be conveniently assembled. Then, the first lens is assembled at the front end of the mounting cavity and abuts against the heat-conducting element, and the pressure cover is matched with the front end of the lens barrel to lock the first lens on the lens barrel. Heat is generated by the heating element and transferred to the first lens through the heat-conducting element, so that its temperature is increased, thereby realizing the defog and de-icing functions. This structure is convenient for assembly and positioning, has high heating efficiency, is easy to repair and recycle, has simple parts processing, and has low cost.

[0036] As a preferred embodiment of the present application, Figure 5-7 In the embodiment 2 shown, the heating lens structure also includes an elastic member 6 arranged between the heating element 21 and the mounting cavity 10, and the elastic member 6 is used to drive the heating element 21 to press toward the heat-conducting element 22. The elastic member can be a rubber material or a spring with elasticity, etc., and is arranged between the lower end surface of the heating plate 211 and the bottom of the mounting groove 10. During assembly, elastic potential energy is generated by the elastic member to drive the heating element and the heat-conducting element to press toward the first lens, thereby improving assembly stability and heating effect.

[0037] Furthermore, the heat-conducting element 22 is adapted to the inner wall of the mounting cavity 10, and the outer wall of the heat-conducting element 22 can be limitedly snapped onto the inner wall of the mounting cavity 10. In a specific embodiment of the present application, the outer wall of the heat-conducting element 22 can be adaptedly snapped onto the mounting cavity 10. The heating element and the heat-conducting element need to be fixed together before the lens is assembled. During assembly, the heat-conducting element is limitedly placed by the outer diameter of the lens barrel. This structure can facilitate assembly positioning and rework, and can also prevent parts from loosening.

[0038] Furthermore, the upper side of the heat conducting element 22 is provided with a supporting convex ring 221 protruding upwards for supporting the lower surface of the first lens 3. When assembling the first lens, it is supported on the supporting convex ring 221, which facilitates assembly and improves heating efficiency.

[0039] Furthermore, if Figure 1-4 In the embodiment 1 shown, a ring-shaped protruding light-blocking ring portion 220 is provided in the middle of the supporting protrusion 221. Furthermore, the inner ring wall of the light-blocking ring portion 220 is an inclined surface that is wide at the top and narrow at the bottom. This design can block light, eliminate lens stray light, and compensate for looseness.

[0040] More specifically, a second lens 5 is provided in the mounting cavity 10 at the lower side of the heat-conducting element 22, and the upper end surface of the second lens 5 abuts against the aperture portion 220. In the specific embodiment 1 of the present application, the heat-conducting component is arranged between the first lens and the second lens. During assembly, the second lens is first assembled in the mounting cavity, the heat-conducting element is placed by limiting the outer diameter of the lens barrel, and the first lens is assembled and supported on the heat-conducting element. The heat-conducting element plays the role of positioning and assembling the heating element, transferring heat, blocking light, and supporting the first lens.

[0041] As a preferred embodiment of the present application but not limiting, Figure 5-7 In the embodiment 2 shown in the figure, the outer periphery of the lower end of the heat conducting element 22 is provided with a convex edge portion 222 protruding downward, and the heating element 21 is arranged inside the convex edge portion 222. This design can surround the heating sheet 211 to improve the heating efficiency and product stability; of course, it can also be as Figure 8-9 In the embodiment 3 shown, the lower end of the heat-conducting element 22 is a plane, and the heating sheet 211 is directly attached to the heat-conducting element. This design has a simple structure and is easy to process.

[0042] Specifically, the heating element 21 includes a heating plate 211 and a conductive element 212. The heating plate 211 is arranged on the other side of the thermal conductive element 22 away from the first lens 3. One end of the conductive element 212 is electrically connected to the heating plate 211, and the other end extends to the rear end of the lens barrel 1. The inner wall of the lens barrel 1 is provided with a wire passage 11 connected to the mounting cavity 10. The conductive element 212 extends to the rear end of the lens barrel 1 through the wire passage 11. Power is supplied by the conductive element, and the heating element generates heat and is transferred to the first lens through the thermal conductive element to increase its temperature, thereby realizing the defog and de-icing function. The conductive element can be opened through the side of the lens barrel, and the wires are arranged through the through holes inside the lens barrel. The shape, position, angle, etc. of the hole can be adjusted. Fig.10 In the embodiment 4 shown, the wire passage 11 is in an L-shaped conductive element 212 , and the wires are led out from the side of the lens barrel 1 .

[0043] Furthermore, the manner in which the heating element is attached to the heat-conducting element includes but is not limited to glue adhesion, thread locking, pressing on the lens barrel, lens and other supporting units, etc. Furthermore, the heating sheet 211 is fixedly assembled on the heat-conducting element 22 by glue adhesion or thread locking, and the heating element and the heat-conducting element need to be fixed together before the lens is assembled. This structure is convenient for assembly and positioning, has high heating efficiency, is easy to repair and recycle, has simple parts processing and low cost.

[0044] Furthermore, a mounting groove 12 is provided at the front end of the lens barrel 1 on the upper side of the mounting cavity 10, and a sealing ring 13 is provided between the outer ring of the bottom of the first lens 3 and the mounting groove 12. In the heating lens of the present application, the heating element and the heat-conducting element need to be fixed together before the lens is assembled; during assembly, the heat-conducting element is placed by limiting the outer diameter of the lens barrel; at this time, the conductive element is placed through the through hole inside the lens barrel; then the sealing ring is placed, and the first lens is assembled and supported on the heat-conducting element; power is supplied by the conductive element, the heating element generates heat and is transferred to the first lens through the heat-conducting element, so that its temperature is increased, thereby realizing the defogger and de-icer function. This structure is convenient for assembly and positioning, has high heating efficiency, is easy to repair and recycle, has simple parts processing, and has low cost.

[0045] Specifically, the heating lens structure of the present application can be applied to Fig.10 The base integrated lens barrel structure of the embodiment 4 shown in the figure has a side lead, and can also be applied to Fig.11 The threaded lens barrel in the embodiment 5 shown, or Fig.12 The AA structure lens barrel of the embodiment 6 shown has good applicability. This structure is convenient for assembly and positioning, has high heating efficiency, is easy to repair and recycle, has simple parts processing and low cost.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heating lens structure, characterized in that: include: A lens barrel (1) having a mounting cavity (10) therein; A heating assembly (2), comprising a fixedly assembled heat-conducting element (22) and a heating element (21), wherein the heat-conducting element (22) can be positioned and installed in the installation cavity (10); A first lens (3) is arranged at the front end of the mounting cavity (10) and abuts against the heat-conducting element (22); the heating element (21) heats the heat-conducting element (22) to conduct heat to the first lens (3).

2. A heating lens structure according to claim 1, characterized in that: It also comprises an elastic member (6) disposed between the heating element (21) and the mounting cavity (10), the elastic member (6) being used to drive the heating element (21) to press against the heat-conducting element (22).

3. A heating lens structure according to claim 1, characterized in that: The outer wall of the heat-conducting element (22) is adapted to the inner wall of the installation cavity (10).

4. The heating lens structure according to claim 1, characterized in that: The heating element (21) is fixedly assembled on the heat-conducting element (22) by gluing or thread locking.

5. A heating lens structure according to claim 1 or 4, characterized in that: The outer periphery of the lower end of the heat-conducting element (22) is provided with a convex edge portion (222) protruding downwards, and the heating element (21) is arranged on the inner side of the convex edge portion (222).

6. The heating lens structure according to claim 1, characterized in that: A ring-shaped protruding light-blocking ring portion (220) is provided in the middle of the heat-conducting element (22).

7. The heating lens structure according to claim 1, characterized in that: The heating element (21) comprises a heating plate (211) and a conductive element (212); the heating plate (211) is arranged on the other side of the thermal conductive element (22) away from the first lens (3); one end of the conductive element (212) is electrically connected to the heating plate (211) and the other end extends toward the rear side of the lens barrel (1).

8. A heating lens structure according to claim 7, characterized in that: A wire passage (11) communicating with the mounting cavity (10) is provided on the inner wall of the lens barrel (1), and the conductive element (212) passes through the wire passage (11) and extends to the rear end or side end of the lens barrel (1).

9. The heating lens structure according to claim 1, characterized in that: The front end of the lens barrel (1) is located on the upper side of the mounting cavity (10) and is provided with a mounting groove (12); a sealing ring (13) is provided between the outer ring of the bottom of the first lens (3) and the mounting groove (12); The heating lens structure further comprises a pressing cover (4), wherein the pressing cover (4) cooperates with the front end of the lens barrel (1) to lock the first lens (3) onto the lens barrel (1).

10. The heating lens structure according to claim 1, characterized in that: The lens barrel (1) is an integrated structure, an AA structure or a threaded structure.

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