CN212515172U - Lens module and panoramic image device - Google Patents

Abstract

The utility model provides a camera lens module and panoramic image device, this camera lens module includes the lens cone, base and circuit board, the outside an organic whole of one end that the lens cone is close to the picture side extends a base, the base is including relative first face and the second face that sets up, the first face of base and base bond, the circuit board bonds with the second face of base, be equipped with the sensitization chip on the circuit board, be equipped with first logical unthreaded hole on the base, be equipped with the second through-hole on the base, the sensitization chip passes through the relative setting of lens in the inside cavity of first logical unthreaded hole and second through-hole and lens cone. The utility model discloses an outside an organic whole of one end that is close to the image side at the lens cone extends a base to make base and base directly bond, saved sleeve and the spiro union post that traditional camera lens module assembly needs, simplify module structure and assembly process, do not have the light leak risk simultaneously because base and the direct sealed bonding of base.

Description

Lens module and panoramic image device

Technical Field

The utility model relates to an optical device technical field, in particular to lens module and panoramic image device.

Background

At present, two lens modules which are opposite to each other or are arranged in a staggered manner can be adopted to obtain a panoramic image, and each lens module comprises a wide-angle lens with an angle of view larger than 180 degrees and an imaging sensing device matched with the wide-angle lens. The two lens modules simultaneously obtain image information in all directions, and the full-space image information is formed by unfolding and splicing the overlapped areas.

Referring to fig. 1, a currently used panoramic image apparatus is shown, which is composed of two lens modules, each lens module includes a lens barrel 10, a circuit board 30 and a connecting assembly 40 for connecting the lens barrel and the circuit board, an imaging sensor device is disposed on the circuit board 30, the connecting assembly 40 includes a bottom plate 41, a sleeve 42 and a plurality of screw studs 43 disposed on the front surface of the bottom plate 41, screw holes matched with screws are disposed at the ends of the screw studs 43, one end of the sleeve 42 is sleeved on the image side end of the lens barrel 10, the screw studs 43 are fixed to the lens barrel 10 by screws 44, and the back surface of the bottom plate 41 is connected to the circuit board.

The above lens module structure has the following defects: the structure is complicated, and need glue in the screw hole interior point when locking the screw, and the process steps are more, simultaneously because the clearance fit of the spiro union hole of seting up on screw and the lens cone leads to increaseing the counterpoint error of lens cone and chip to lens cone and sleeve clearance fit entangle, have the light leak risk.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a lens module and panoramic image device to solve the technical problem that lens module assembly process is complicated among the prior art.

The utility model provides a lens module, includes lens cone, base and circuit board, the outside integrative base that extends of one end that the lens cone is close to the image side, the base is including relative first face and the second face that sets up, the base with the first face of base bonds, the circuit board with the second face of base bonds, be equipped with the sensitization chip on the circuit board, be equipped with first logical unthreaded hole on the base, be equipped with the second through-hole on the base, the sensitization chip sees through first logical unthreaded hole with the second through-hole with lens in the inside cavity of lens cone sets up relatively.

Furthermore, the circuit board comprises a substrate, the photosensitive chip is arranged on the substrate, and the substrate is bonded with the second surface of the base.

Furthermore, a plurality of sol grooves are formed in the edge of the first surface and/or the second surface of the base.

Further, the substrate, the susceptor and the pedestal are equal in size.

Furthermore, a glue blocking flange extends out of the first surface of the base around the first light through hole, and the outer diameter of the glue blocking flange is matched with the diameter of the second light through hole.

Further, the lens barrel comprises a first lens barrel part and a second lens barrel part which are arranged in a non-coaxial mode, and the base extends out from one end, far away from the second lens barrel part, of the first lens barrel part.

The embodiment of the utility model provides a still provide a panoramic image device, constitute by two foretell camera lens modules.

Furthermore, the first lens cone parts of the lens cones of the two lens modules are coaxially arranged, and the second lens cone parts of the lens cones of the two lens modules are coaxially arranged.

Furthermore, the circuit boards of the two lens modules are arranged towards the same direction.

Further, the lens barrels of the two lens modules are integrally formed.

Compared with the prior art, through the outside integrative base that extends of one end that is close to the image side at the lens cone to make base and base direct bonding, saved sleeve and the spiro union post that traditional lens module assembly needs, simplified module structure and assembly process, because base and base direct sealing bond do not have the light leak risk simultaneously.

Drawings

Fig. 1 is a perspective view of a panoramic image apparatus according to the prior art;

fig. 2 is a three-dimensional structure diagram of a lens module according to a first embodiment of the present invention;

FIG. 3 is an enlarged view taken at I in FIG. 2;

fig. 4 is an exploded perspective view of a lens module according to a first embodiment of the present invention;

fig. 5 is a cross-sectional view of a lens module according to a second embodiment of the present invention;

fig. 6 is a three-dimensional structure diagram of a lens module according to a third embodiment of the present invention.

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

Referring to fig. 2-4, a lens module 100 according to a first embodiment of the present invention is shown, which includes a lens barrel 10, a base 20 and a circuit board 30 connected in sequence, wherein:

a base 11 integrally extends from one end of the lens barrel 10 close to the image side outwards, the base 20 includes a first surface 21 and a second surface 22 which are oppositely arranged, the base 11 is adhered to the first surface 21 of the base 20, and the circuit board 30 is adhered to the second surface 22 of the base 20. Be equipped with photosensitive chip 40 on the circuit board 30, be equipped with first unthreaded hole 23 on the base 20, first unthreaded hole 23 extends to second face 22 from first face 21, is equipped with second unthreaded hole 111 on the base 11, and second unthreaded hole 111 communicates the inside cavity of lens cone 10 and sets up with first unthreaded hole 23 is relative, and photosensitive chip 40 passes through first unthreaded hole 23 and second unthreaded hole 111 and sets up with the lens in the inside cavity of lens cone 10 is relative. Specifically, the circuit board 30 includes a substrate 31, the photosensitive chip 40 is disposed on the substrate 31, and the substrate 31 is adhered to the second surface 22 of the base 20.

In this embodiment, the lens barrel 10 is of an "L" shape as a whole, and the lens barrel 10 specifically includes a first barrel portion 10a and a second barrel portion 10b that are not coaxially disposed, for example, the first barrel portion 10a and the second barrel portion 10b may be vertically connected, the second barrel portion 10b is close to the object side, the second barrel portion 10b is close to the image side, and the base 11 extends from one end of the first barrel portion 10a away from the second barrel portion 10 b. In practical use, optical lenses (not shown) can be disposed in the internal cavities of the first lens barrel portion 10a and the second lens barrel portion 10b, the optical lenses disposed in the second lens barrel portion 10b can be referred to as front lenses, the optical lenses disposed in the first lens barrel portion 10a can be referred to as rear lenses, furthermore, a light reflecting element (such as a prism, not shown) is disposed at the joint of the first lens barrel portion 10a and the second lens barrel portion 10b in the internal cavity of the lens barrel 10, when light enters the second lens barrel portion 10b from the object side end of the second lens barrel portion 10b, the light passes through the front lenses in the second lens barrel portion 10b, then enters the second lens barrel portion 10b after being reflected by the light reflecting element, the light continues to pass through the rear lenses in the first lens barrel portion 10a, the first light passing hole 23 and the second light passing hole 111, and finally reaches the photosensitive chip 40, imaging is accomplished by the photosensitive chip 40.

In the present embodiment, the base plate 31, the base 11, and the base 20 are all of a square plate structure, and in order to reduce the alignment error between the lens barrel 10 and the chip, it is preferable to make the size of the base plate 31, the size of the base 11, and the size of the base 20 equal, that is, the length of the base 31, the length of the base 11, and the width of the base 20 equal, so that the base plate 31, the base 11, and the base 20 can be coaxially bonded and assembled, thereby reducing the alignment error.

In addition, in order to prevent the glue overflow, a plurality of glue grooves 24 are provided on the edge of the first face 21 and/or the second face 22 of the base 20. By way of example and not limitation, as shown in fig. 1, in the present embodiment, a plurality of sol grooves 24 are uniformly arranged on the edge of the second surface 22 of the base 20, and when assembled, the adhesive between the base 20 and the substrate 31 is squeezed to flow outwards and is just accommodated by the sol grooves 24 arranged on the periphery, so as to prevent the glue from overflowing to the outside (e.g. onto the outer wall of the lens barrel). It is understood that fig. 1 only shows the structure that the sol groove 24 is arranged on the edge of the second surface 22 of the base 20, but it is understood that in practical use, the sol groove can be arranged on the edge of the first surface 21 of the base 20 to avoid the adhesive between the base 20 and the base 11 from overflowing.

As an alternative assembly method, glue may be first applied on the first surface 21 of the base 20, and the glue is preferably applied at an edge close to the first surface 21 or at an intermediate position between an edge of the first surface 21 and an edge of the first light through hole 23, so that the glue is far away from the second light through hole 111, and the glue is prevented from overflowing into the second light through hole 111, so as to prevent the glue from overflowing onto the lens of the lens barrel 10, and then the first surface 21 of the base 20 is pasted onto the base 11, and when pasting, the edges of the base 20 and the base 11 are overlapped; after the base 20 and the base 11 are firmly adhered, glue is applied to the second surface 22 of the base 20, preferably near the edge of the second surface 22 or at an intermediate position between the edge of the second surface 22 and the edge of the first light passing hole 23, and then the substrate 31 is adhered to the second surface 22 of the base 20, so that the substrate 31 and the edge of the base 20 are overlapped. In some alternative embodiments, a plurality of sol grooves may be uniformly arranged at the edge of the aperture at both ends of the first light passing hole 23, so as to achieve the purpose of preventing the glue from overflowing onto the lens inside the lens barrel 10 by using the glue containing function of the sol grooves.

To sum up, the utility model discloses lens module 100 in the middle of the above-mentioned embodiment extends a base 11 through the outside an organic whole of one end that is close to the image side at lens cone 10 to make base 11 and base 20 directly bond, saved sleeve and the spiro union post that traditional lens module assembly needs, simplify module structure and assembly process, simultaneously because base 11 and base 20 directly sealed bond, do not have the light leak risk.

Example two

Referring to fig. 5, a lens module 100 according to a second embodiment of the present invention is shown, in which the lens module 100 of this embodiment is different from the lens module 100 of the first embodiment in that:

in order to prevent the glue from overflowing into the lens inside the lens barrel 10, in this embodiment, the first surface 21 of the base 20 extends out of the glue blocking flange 25 around the first light passing hole 23, the outer diameter of the glue blocking flange 25 is matched with the diameter of the second light passing hole 111, that is, the outer wall of the glue blocking flange 25 is attached to the inner wall of the second light passing hole 111, so that the glue coated on the first surface 21 of the base 20 is blocked by the glue blocking flange 25, thereby effectively preventing the glue from overflowing into the light passing hole, and further effectively preventing the glue from overflowing into the lens inside the lens barrel 10. In addition, because the glue blocking flange 25 has a guiding and limiting effect after being matched with the second light through hole 111, the base 20 and the base 11 can be ensured to be coaxially assembled, and therefore the alignment error of the lens barrel 10 and a chip is further reduced.

It can be understood that fig. 1 only shows the structure of forming the glue blocking flange 25 on the first surface 21 of the base 20, but it can be understood that, in practical use, a similar glue blocking flange structure may also be formed between the second surface 22 of the base 20 and the substrate 31, so as to prevent the adhesive glue between the base 20 and the substrate 31 from overflowing into the light-passing hole by using the glue blocking flange structure, for example, the glue blocking flange may extend around the first light-passing hole 23 on the substrate 31, and an outer wall of the glue blocking flange on the substrate 31 is attached to an inner portion of the first light-passing hole 23, so as to achieve a glue blocking effect, and simultaneously, the base 20 and the substrate 31 can be ensured to be coaxially assembled, thereby further reducing the alignment error between the lens barrel 10 and the chip.

It should be noted that the device provided by the second embodiment of the present invention, which implements the same principle and produces some technical effects as the first embodiment, can refer to the corresponding contents in the first embodiment for the sake of brief description, where this embodiment is not mentioned.

EXAMPLE III

Referring to fig. 6, a panoramic image apparatus according to a third embodiment of the present invention is shown, which comprises two lens modules 100, wherein the lens module 100 is the lens module 100 according to any one of the first to second embodiments, wherein:

the specific arrangement of the lens module 100 is as follows: the first barrel parts 10a of the lens barrels 10 of the two lens modules are coaxially arranged, and the second barrel parts 10b of the lens barrels 10 of the two lens modules are coaxially arranged, namely, the two lens barrels 10 which are approximately L-shaped are spliced into an approximately cross-shaped structure. Except that the lens barrel 10 is connected, other components such as the lenses in the lens barrel 10, the base 20, the circuit board 30 and the like are independently assembled without mutual interference.

In addition, in order to facilitate wiring, the circuit boards 30 of the two lens modules are arranged in the same direction, so that the circuit boards 30 of the two lens modules can be connected to the same circuit board. In addition, the lens barrels 10 of the two lens modules are preferably integrally formed, so that when the panoramic image device is assembled, the two lens barrels 10 do not need to be butted, and only the corresponding lenses are required to be loaded into the lens barrels 10 and the bonding assembly among the lens barrels 10, the base 20 and the circuit board 30 is required to be completed, thereby improving the assembly efficiency.

To sum up, the utility model discloses panoramic image device in the middle of the above-mentioned embodiment extends a base 11 through the outside an organic whole of one end that is close to the picture side at lens cone 10 to make base 11 and base 20 directly bond, saved sleeve and the spiro union post that traditional camera lens module assembly needs, simplify module structure and assembly process, simultaneously because base 11 and base 20 directly sealed bond, do not have the light leak risk.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a lens module, its characterized in that, includes lens cone, base and circuit board, the lens cone is close to outside an organic whole of one end of image side and is extended a base, the base is including relative first face and the second face that sets up, the base with the first face of base bonds, the circuit board with the second face of base bonds, be equipped with sensitization chip on the circuit board, be equipped with first logical unthreaded hole on the base, be equipped with the second through-hole on the base, sensitization chip sees through first through-hole with the second through-hole with lens in the internal cavity of lens cone sets up relatively.

2. The lens module as claimed in claim 1, wherein the circuit board includes a substrate, the photo sensor chip is disposed on the substrate, and the substrate is bonded to the second surface of the base.

3. The lens module as claimed in claim 2, wherein the edge of the first surface and/or the second surface of the base is provided with a plurality of sol grooves.

4. The lens module as claimed in claim 2 or 3, wherein the substrate, the base and the mount are equal in size.

5. The lens module as claimed in claim 1, wherein a glue blocking flange extends from the first surface of the base around the first light passing hole, and an outer diameter of the glue blocking flange is matched with a diameter of the second light passing hole.

6. The lens module according to claim 1, wherein the barrel includes a first barrel portion and a second barrel portion that are not coaxially disposed, and the base extends from an end of the first barrel portion that is away from the second barrel portion.

7. A panoramic image apparatus, comprising two lens modules according to any one of claims 1 to 6.

8. The panoramic imaging apparatus according to claim 7, wherein the first barrel portions of the lens barrels of the two lens modules are coaxially disposed, and the second barrel portions of the lens barrels of the two lens modules are coaxially disposed.

9. The panoramic image apparatus of claim 7, wherein the circuit boards of the two lens modules are arranged in the same direction.

10. The panoramic imaging apparatus of claim 7, wherein the lens barrels of the two lens modules are integrally formed.

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