CN217113018U

CN217113018U - Pressing ring

Info

Publication number: CN217113018U
Application number: CN202220611537.1U
Authority: CN
Inventors: 刘佳俊; 刘振庭; 潘正江; 刘洪海; 刘易
Original assignee: Guangdong Hongjing Optoelectronics Technology Co Ltd
Current assignee: Guangdong Hongjing Optoelectronics Technology Co Ltd
Priority date: 2022-03-19
Filing date: 2022-03-19
Publication date: 2022-08-02
Anticipated expiration: 2032-03-19

Abstract

The embodiment of the utility model discloses clamping ring is applied to automatic temperature sensing conical surface heating module of making a video recording, and the lens cone surface of automatic temperature sensing conical surface heating module of making a video recording is located to the clamping ring, and the surface of clamping ring is the conical surface. The utility model discloses lens cone surface is located to the clamping ring, and the surface of clamping ring is the conical surface, simple structure, and radial small when assembling with automatic temperature sensing conical surface heating camera module, does benefit to and makes the whole miniaturization of module, and the piece face contact laminating setting that conveniently generates heat.

Description

Pressing ring

The technical field is as follows:

the utility model relates to a be applied to clamping ring on automatic temperature sensing heating camera module.

Background art:

the existing automatic heating camera module has the defects of large volume and complex structure.

The utility model has the following contents:

for overcoming current self-heating module of making a video recording, it has the volume great, problem that the structure is complicated, the embodiment of the utility model provides a clamping ring.

A pressing ring is applied to an automatic temperature-sensing conical surface heating camera module, is arranged on the outer surface of a lens barrel of the automatic temperature-sensing conical surface heating camera module, and is a conical surface.

The utility model discloses lens cone surface is located to the clamping ring, and the surface of clamping ring is the conical surface, simple structure, and radial small when assembling with automatic temperature sensing conical surface heating camera module, does benefit to and makes the whole miniaturization of module, and the piece face contact laminating setting that conveniently generates heat.

The utility model discloses the accessible improves with following scheme:

the heating piece of the automatic temperature sensing conical surface heating camera module is attached to the outer surface of the pressing ring.

The inner surface of the heating sheet is in contact fit with the conical surface on the outer surface of the pressing ring.

The taper angle a of the outer surface conical surface of the pressing ring is 30-85 degrees.

An annular groove is formed in the outer conical surface of the pressing ring and used for enabling a temperature sensing element on a heating piece of the automatic temperature sensing conical surface heating camera module to be embedded.

The pressing ring is integrally formed on the outer surface of the lens barrel.

The clamping ring is a sleeve joint piece, and is in threaded connection with the outer surface of the lens cone.

The outer diameter of the pressing ring is gradually increased from front to back.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and 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 to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a first embodiment of an automatic temperature-sensing conical surface heating camera module according to the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of the first embodiment of the automatic temperature sensing cone-surface heating camera module of the present invention;

FIG. 4 is an exploded view of another structure of the first embodiment of the automatic temperature sensing conical surface heating camera module of the present invention;

FIG. 5 is a schematic view of a pressing ring structure of a first embodiment of the automatic temperature-sensing conical surface heating camera module of the present invention;

FIG. 6 is a front view of a pressing ring of the first embodiment of the automatic temperature sensing conical surface heating camera module of the present invention;

FIG. 7 is a sectional view of a pressing ring of the first embodiment of the automatic temperature sensing conical surface heating camera module of the present invention;

FIG. 8 is a structural diagram of a heating plate of the first embodiment of the automatic temperature sensing conical surface heating camera module of the present invention;

FIG. 9 is a cross-sectional view of a heating plate of the first embodiment of the automatic temperature sensing conical surface heating camera module of the present invention;

FIG. 10 is a schematic structural view of a second embodiment of the automatic temperature sensing conical surface heating camera module of the present invention;

fig. 11 is an exploded view of a second embodiment of the automatic temperature sensing cone heating camera module of the present invention;

FIG. 12 is a structural diagram of a heating plate of a second embodiment of the automatic temperature sensing conical surface heating camera module of the present invention;

FIG. 13 is a cross-sectional view of a third embodiment of the automatic temperature sensing cone heating camera module of the present invention;

fig. 14 is a structural diagram of a heating plate of a fourth embodiment of the automatic temperature-sensing cone-surface heating camera module of the present invention.

The specific implementation mode is as follows:

in order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows: as shown in fig. 1 and fig. 2, an automatic temperature sensing conical surface heating camera module at least includes a lens barrel 1, a first lens 2 disposed at the front end of the lens barrel, a pressing cover 3 matched with the front end of the lens barrel 1 to lock the first lens 2 on the lens barrel 1, and a heating plate 4 capable of heating the first lens 2, and further includes: the pressing ring 5 is arranged on the outer surface of the lens barrel 1; the rear end of the gland 3 extends axially from front to back and axially covers the pressing ring 5; a gap is arranged between the inner surface of the gland 3 and the outer surface of the pressing ring 5, and the heating 5 pieces are arranged in the gap.

The utility model discloses automatic temperature sensing conical surface heating module of making a video recording, the piece that generates heat is located in the clearance between the internal surface of gland and the surface of clamping ring, and the piece that generates heat is through the gland internal surface with heat transfer to first lens on, simple structure, it is effectual to heat, and does benefit to and makes the whole miniaturization of module, can realize the effect of automatic defrosting, defogging under weather conditions such as cold, or humidity or environment. The method is suitable for a plurality of fields such as vehicle-mounted lenses, outdoor monitoring, automatic driving and the like.

Further, as a preferred embodiment of the present solution, but not limited thereto, as shown in fig. 2 to 4, the outer diameter of the gland 3 is uniform from front to back. The peripheral radial dimension size of the camera module is consistent, the whole is miniaturized, and the structure is simpler and more compact.

Still further, as a preferred embodiment of the present solution, but not limited thereto, as shown in fig. 2, the axial sectional shape of the gap is a taper. Simple structure can guarantee that the heating sheet is closely arranged in the gap and can not loosen.

Further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 2 to 4, the inner surface of the rear end of the pressing cover 3 is provided with an inner conical surface 31; and the outer surface of the pressing ring 5 is provided with an outer conical surface 51 opposite to the inner conical surface 31, and the inner conical surface 31 and the outer conical surface 51 are matched with each other and form the gap therebetween. The structure is simple, and the heating sheet can be tightly attached between the inner conical surface and the outer conical surface and cannot be loosened.

Further still, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 2 to 4, the inner surface and the outer surface of the heat generating chip 4 are surface-contact-fitted with the outer conical surface 51 and the inner conical surface 31, respectively. Simple structure, the cooperation of face contact can guarantee heating efficiency and reach good heating effect.

Still further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 2, the radius of the tapered gap gradually increases from front to back. The heating sheet can be ensured to be tightly attached between the inner conical surface and the outer conical surface and not to loosen.

Still further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 7, the taper angle a of the outer conical surface 51 of the pressing ring 5 is between 30 ° and 85 °. Simple structure, radial small does benefit to and makes the whole miniaturization of module, and conveniently generates heat the setting of one-sided contact laminating. In the embodiment, the cone angle a of the outer conical surface of the pressing ring is preferably 80 degrees, so that the effects of minimum volume, optimal adhesion of the heating sheet and optimal heating effect can be achieved.

Still further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 5-7, an annular groove 52 is formed on the outer conical surface 51 of the pressing ring 5, a temperature sensing element 43 is disposed on the heating plate 4, and the temperature sensing element 43 is embedded in the annular groove 52. Simple structure does benefit to and reduces the radial volume of product, makes the whole miniaturization of module, and the one-sided contact that conveniently generates heat sets up.

Further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 5 to 7, the pressing ring 5 is a socket member, which is screwed to the outer surface of the lens barrel 1. Simple and compact structure, convenient and fast installation and small whole volume.

Still further, as a preferred embodiment of the present solution, but not limited thereto, as shown in fig. 8 to 9, the heat generating sheet 4 includes a heat generating sheet main body 41, and a connection terminal 42 electrically connected to the heat generating sheet main body 41; the heating sheet body 41 is a sheet extending around the tapered surface. Simple structure, radial small does benefit to and makes the whole miniaturization of module, and it is more convenient to heat the setting of one-sided contact laminating.

Still further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 8 to 9, the axial sectional shape of the heat generating sheet main body 41 is a taper shape with a small front and a large rear. Simple structure, radial small, do benefit to and make the whole miniaturization of module. Meanwhile, the front small part and the back large part of the heating sheet are arranged in a conical shape, so that the heating sheet is not easy to axially loosen after being installed, and the heating sheet is more stable and firm to install.

Further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 8 to 9, the inner surface of the heat generating sheet main body 41 is provided with a temperature sensing element 43. Simple structure, can accurately detect the temperature of the heating sheet. The temperature sensing element is arranged on the inner surface of the heating sheet main body, so that the radial volume of the outer part of the heating sheet can be further reduced, and the integral miniaturization of the module is facilitated.

Still further, as a preferred embodiment of the present solution, but not limited thereto, as shown in fig. 8 to 9, the temperature-sensitive element 43 is located on a side close to the terminal 42. Simple structure, and reasonable layout of the internal and external elements of the heating sheet.

Still further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 8 to 9, the taper angle β of the heat generating sheet main body 41 is between 30 ° and 85 °. The structure is simple, the radial volume of the heating sheet main body 41 is small, and the overall miniaturization of the module is facilitated; meanwhile, the cone angle of the heating sheet is arranged, so that the heating sheet is not easy to axially loosen after being installed, and the heating sheet is more stable and firm to install. In this embodiment, the taper angle β of the heating sheet main body is preferably 80 °, so that the effects of minimum volume, optimal adhesion degree and mounting stability of the heating sheet, and optimal heating effect can be achieved.

Further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 8 to 9, the heat generating sheet main body 41 is a conical sheet with a notch 44 on the conical surface, and the notch 44 is located on the side away from the terminal 42. Simple structure, the piece simple to operate that generates heat, swift.

Example two: as shown in the figures, the difference from the first embodiment is that, as shown in fig. 10 to 12, the heating plate main body in the present embodiment is a conical sheet with a conical surface having at least two notches 44, the two notches 44 divide the heating plate main body into at least a first heating plate 411 and a second heating plate 412, and the connection terminals include a first connection terminal 421 and a second connection terminal 422; the first heat generating sheet 411 is electrically connected to the first connection terminal 421, and the second heat generating sheet 412 is electrically connected to the second connection terminal 422. The heating device is simple in structure, the heating pieces are at least divided into a first heating piece and a second heating piece which are mutually independent, and the heating pieces are mutually independently controlled.

Further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 10 to 12, the at least two notches 44 are uniformly distributed along the circumferential direction of the heat generating sheet main body, so that at least the first heat generating sheet 411 and the second heat generating sheet 412 are equally divided, the first connecting terminal 421 is electrically connected to the middle of the first heat generating sheet 411, the second connecting terminal 422 is electrically connected to the middle of the second heat generating sheet 412, and the two notches 44 are located between the first connecting terminal 421 and the second connecting terminal 422. The structure is simple, the heating pieces are mutually independently controlled, and the controlled modes can be selected more.

Still further, as a preferred embodiment of the present invention, but not limited thereto, as shown in fig. 12, the temperature-sensitive element 43 is located on a side close to the first connection terminal 421. Simple structure, and reasonable layout of the internal and external elements of the heating sheet.

Example three: as shown in the drawing, the difference from the first embodiment is that, as shown in fig. 13, the pressing ring 5 in the present embodiment is integrally formed on the outer surface of the lens barrel 1. The structure is simple and compact, and the whole volume is miniaturized.

Example four: as shown in the figure, the difference from the first embodiment is that, as shown in fig. 14, the main body of the heat generating sheet in the present embodiment is a conical sheet with a notch 44 on the conical surface, and the notch is located on the side close to the terminal 42. Simple structure, the piece simple to operate that generates heat, swift.

The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments disclosed herein. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims

1. The pressing ring is applied to an automatic temperature-sensing conical surface heating camera module and is characterized in that the pressing ring is arranged on the outer surface of a lens barrel of the automatic temperature-sensing conical surface heating camera module, and the outer surface of the pressing ring is a conical surface.

2. The pressing ring as claimed in claim 1, wherein the heating plate of the automatic temperature-sensing cone-surface heating camera module is attached to the outer surface of the pressing ring.

3. The pressing ring as claimed in claim 2, wherein the inner surface of the heat generating sheet is in surface contact engagement with the tapered surface of the outer surface of the pressing ring.

4. The clamp ring according to claim 1, wherein the taper angle a of the outer surface taper of the clamp ring is between 30 ° and 85 °.

5. The pressing ring according to any one of claims 1 to 4, wherein an annular groove is formed on the outer conical surface of the pressing ring, and the annular groove is used for embedding a temperature sensing element on a heating plate of the automatic temperature sensing conical surface heating camera module.

6. The pressing ring according to any one of claims 1 to 4, wherein the pressing ring is integrally formed on an outer surface of the lens barrel.

7. The pressing ring according to any one of claims 1 to 4, wherein the pressing ring is a socket member which is screw-coupled to an outer surface of the lens barrel.

8. The clamping ring according to any of claims 1-4, wherein the outer diameter of the clamping ring becomes larger from the front to the back.