CN210572965U - Infrared laser light filling camera lens device - Google Patents

Abstract

The utility model relates to an infrared laser light filling camera lens device, correspond the lens cone of installing lens and light filling light source including both ends, be equipped with linear slot on the lateral wall of lens cone and be equipped with the gliding spiral groove spare of relative lens cone at the lateral wall overcoat, an at least helicla flute has been seted up on the lateral wall of spiral groove spare, zoom lens subassembly is installed to the one end of adjacent lens in the lens cone, the compensation lens subassembly that corresponds to the light filling light source is installed to the other end in the lens cone, equal fixedly connected with slide bar on zoom lens subassembly and the compensation lens subassembly, the slide bar is all worn out and is slided in the helicla flute from linear slot, on the lens cone still fixedly connected with drive spiral groove spare pivoted drive arrangement in the one end of light. The utility model discloses a through drive arrangement's drive for zoom lens subassembly and compensation lens subassembly remove in the lens cone and change the purpose that illumination angle reached the light filling, simple structure, small, the reliability is high, the effectual cost that has reduced.

Description

Infrared laser light filling camera lens device

Technical Field

The utility model belongs to the technical field of the semiconductor laser light filling and specifically relates to an infrared laser light filling camera lens device for infrared laser light filling.

Background

The laser supplementary lighting product can be divided into infrared laser supplementary lighting, monochromatic laser supplementary lighting, white laser supplementary lighting and ultraviolet laser supplementary lighting according to wavelength and color gamut, wherein the infrared laser supplementary lighting is used in the fields of camera supplementary lighting, police (military) equipment and the like; the monochromatic laser supplementary lighting is used in the laser video fields of laser televisions, laser projection, laser display and the like; white light laser light supplement is used in the fields of automobile light supplement, outdoor light supplement, landscape light supplement and the like; ultraviolet laser light supplement is used in the fields of life science, criminal investigation, scientific research and the like. The laser has the advantages of incomparable energy conservation, monochromaticity, high brightness, wide color gamut, directionality and the like, and becomes an irreplaceable mainstream technology in the fields of light supplement and video display. In the prior art, with the development of night camera shooting technology, the requirement for infrared laser light supplement is higher and higher. However, the infrared laser light supplementing device in the current market has the following problems: the device has large volume, complex structural design, poor reliability and high cost, and is not beneficial to practical application.

SUMMERY OF THE UTILITY MODEL

To present not enough, the utility model provides an infrared laser light filling camera lens device for infrared laser light filling simple structure, small, good reliability, with low costs.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an infrared laser light filling camera lens device, includes that one end is installed the lens cone that the lens other end is provided with the light filling light source, be equipped with linear slot along the lens cone axial on the lateral wall of lens cone, the lateral wall overcoat of lens cone is equipped with the gliding spiral groove spare of cylinder of ability relative lens cone, linear slot is the bar through-hole that link up the lens cone lateral wall, at least one helicla flute has been seted up on the lateral wall of spiral groove spare, zoom lens subassembly is installed to the one end of adjacent lens in the lens cone, the compensation lens subassembly that corresponds to the light filling light source is installed to the other end in the lens cone, equal fixedly connected with slide bar on zoom lens subassembly and the compensation lens subassembly, the slide bar is all worn out and is slided and establish in the helicla flute from linear slot, still fixedly connected with drive spiral groove.

Preferably, the driving device comprises a motor fixedly connected to the lens barrel, a driving gear fixedly connected to a rotating shaft of the motor, and a driven gear engaged with the driving gear, wherein the driven gear is fixedly connected to the spiral groove member.

Preferably, the driven gear is provided with an optical coupling induction sheet, the lens barrel is provided with an optical coupling plate capable of inducing the rotation position of the optical coupling induction sheet, the optical coupling plate is a circuit board provided with an optical coupling inductor, and the motor and the optical coupling plate are arranged on an optical coupling plate bracket; the lens cone is fixedly connected with a lens cone pressing ring corresponding to the compensation lens assembly, and the optical coupling plate support is fixedly connected to the lens cone pressing ring.

Preferably, the optical coupling inductor is a correlation groove type photoelectric sensor, and the optical coupling induction sheet part extends into a groove of the optical coupling inductor.

Preferably, the supplementary lighting source is a laser source emitting light through a fiber laser, a fiber head of the fiber laser is mounted on a flange, and the flange is fixedly connected to the lens barrel pressing ring.

Preferably, the driven gear is an annular component, a circle of tooth surfaces and a circle of smooth surfaces are arranged on the outer surface of the side wall of the driven gear in parallel along the circumferential direction, the driven gear is fixedly connected with the spiral groove piece at the smooth surface position, and the driving gear is meshed with the driven gear at the tooth surfaces.

Preferably, the spiral groove is provided with a plurality of parallel spiral grooves arranged at intervals on the side wall of the spiral groove member, and the sliding rods fixedly connected to the zoom lens assembly and the compensation lens assembly are slidably arranged in different spiral grooves.

Preferably, the zoom lens assembly comprises a zoom lens assembly for zooming and a first lens support for mounting the zoom lens assembly, the compensation lens assembly comprises a compensation lens assembly for compensating focus deviation during zooming and a second lens support for mounting the compensation lens assembly, the zoom lens assembly and the compensation lens assembly are both composed of one or more lenses, the first lens support and the second lens support are fixedly connected with corresponding sliding rods and slide in the lens barrel under the driving of the sliding rods, and the light supplementing light source is arranged right opposite to the compensation lens assembly.

Preferably, the lens, the zoom lens assembly, the compensation lens assembly and the light supplement light source on the lens barrel have the same main optical axis.

Preferably, the lens barrel has a ring of protrusions extending radially outward from an outer wall of an end of the lens barrel where the lens is mounted, the protrusions being opposite to ends of the spiral groove members.

The beneficial effects of the utility model reside in that: the utility model discloses a well set up two sets of lens subassemblies, under drive arrangement's drive, make zoom lens subassembly and compensation lens subassembly can change the purpose of illumination angle in order to reach the light filling in the lens cone relative movement, drive arrangement easily controls the regulation, two sets of lens subassemblies make the regulation of illumination angle more accurate, the reliability is higher, drive arrangement, lens cone and each lens subassembly all need not complicated structure to install the setting simultaneously, the effectual cost that has reduced, moreover, the steam generator is simple in structure, small, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the front side of an embodiment of the present invention;

fig. 2 is a schematic structural view of the back side of the embodiment of the present invention;

fig. 3 is a cross-sectional view of the front of an embodiment of the invention;

fig. 4 is a cross-sectional view of the back of an embodiment of the invention;

part names and serial numbers in the figure: 1-lens cone 10-lens 11-light supplementing light source 12-linear clamping groove 13-lens cone pressing ring 14-flange 15-protrusion 2-spiral groove member 20-spiral groove 3-zoom lens component 30-zoom lens group 31-first lens bracket 4-compensation lens component 40-compensation lens group 41-second lens bracket 5-sliding rod 6-driving device 60-motor 61-driving gear 62-driven gear 620-tooth surface 621-smooth surface 7-optical coupling induction sheet 8-optical coupling plate 80-optical coupling inductor 81-optical coupling bracket.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and examples, which are for clear and complete description. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention. In addition, directional terms used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer to directions only as shown in the attached drawings, and are used for better and clearer explanation and understanding of the present invention, and do not indicate or imply orientation which the present invention must have, and thus, should not be construed as limiting the present invention.

The embodiment of the present invention is shown in fig. 1 to 4, and an infrared laser light-compensating lens device includes a lens barrel 1 having a lens 10 at one end and a light-compensating light source 11 at the other end, wherein the light-compensating light source 11 and the lens 10 are respectively arranged at two ends of the lens barrel 1, light emitted from the light-compensating light source 11 passes through the lens barrel 1 and is projected to the lens 10, in order to make full use of the light emitted from the light-compensating light source 11, the light-emitting center of the light-compensating light source 11 and the main optical axis of the lens 10 are in the same straight line, a linear slot 12 is axially arranged on the sidewall of the lens barrel 1 along the lens barrel 1, i.e. the direction of the linear slot 12 is parallel to the axial direction of the lens barrel 1, so as to ensure that the sliding direction of a sliding component in the linear slot 12 is performed along a straight line, a cylindrical spiral slot 2 capable of sliding relative to the lens barrel 1 is sleeved outside the sidewall of the lens barrel 1, the side wall of the spiral groove component 2 is provided with at least one spiral groove 20, one end of an adjacent lens 10 in the lens barrel 1 is provided with a zoom lens component 3, namely the zoom lens component 3 and the lens 10 arranged at the end part of the lens barrel 1 are adjacent, light after being zoomed by the zoom lens component 3 is projected onto the lens 10 at the end part, the other end in the lens barrel 1 is provided with a compensation lens component 4 corresponding to a light supplementing light source 11, namely the compensation lens component 4 and the light supplementing light source 11 are positioned at the same end, light emitted by the light supplementing light source 11 is projected onto the compensation lens component 4, is projected onto the zoom lens component 3 after being zoomed by the compensation lens component 4, and is projected onto the lens 10 at the end part of the lens barrel 1 after being zoomed again by the zoom lens component 3, so that a complete light supplementing light path is formed, and a slide rod 5 is fixedly connected on the zoom lens component, the sliding rods 5 penetrate out of the linear clamping grooves 12 and are slidably arranged in the spiral grooves 20, when one spiral groove 20 is arranged, the sliding rods 5 on different lens components are positioned at two ends of the spiral groove, when a plurality of spiral grooves 20 are arranged, the sliding rods 5 on different lens components can be positioned at two ends of the same spiral groove 20 or can be slidably arranged in different spiral grooves 20, at this time, preferably, the spiral groove 20 is provided with a plurality of spiral grooves 20, the plurality of spiral grooves 20 are parallelly arranged on the side wall of the spiral groove component 2 at intervals, the sliding rods 5 fixedly connected with the zoom lens component 3 and the compensation lens component 4 are slidably arranged in different spiral grooves 20, the plurality of spiral grooves 20 are parallelly arranged at intervals, so that the sliding smoothness of a sliding part in the spiral groove 20 is ensured, and the adjustment amplitude can be selected according to the mutual intervals among the plurality of spiral grooves 20, the adjustment is more accurate, the number of the sliding rods 5 on one lens component can be one, a spiral groove 20 is arranged corresponding to one sliding rod 5, one end of the sliding rod 5 is fixedly connected to the compensation lens component 4, the other end of the sliding rod 5 penetrates out of the linear clamping groove 12 and then extends into the spiral groove 20, and the sliding rod 5 can slide in the linear clamping groove 12 and the spiral groove 20 simultaneously; similarly, two or more slide bars 5 on one lens assembly can be arranged, each slide bar 5 is also provided with a corresponding spiral groove 20 which extends into and can enable the slide bar 5 to slide synchronously, so that the screw grooves 20 and the slide bars 5 can be ensured to slide synchronously only when having strict requirements on the arrangement positions of the spiral grooves 20 and the slide bars 5, a driving device 6 which drives the spiral groove member 2 to rotate is fixedly connected to one end of the light supplementing light source 11 on the lens barrel 1, so that the spiral groove member 2 rotates through the driving of the driving device 6, the slide bars 5 extending into the spiral grooves 20 move relative to the spiral groove member 2 along the direction of the spiral grooves 20, the zoom lens assembly 3 and the compensation lens assembly 4 also move relative to the lens barrel 1 under the driving of the slide bars 5, the slide bars 5 penetrate out of the linear clamping grooves 12, and the linear clamping grooves 12 play a role in guiding when the slide bars 5 move relative to the spiral groove member 2, make slide bar 5 do rectilinear movement relative to lens cone 1, thereby just also make zoom lens subassembly 3 and compensation lens subassembly 4 do rectilinear movement, make zoom lens subassembly 3 and compensation lens subassembly 4 can be rectilinear movement in lens cone 1, the focus has been changed and the primary optical axis can not be changed, thereby change the illumination angle and reach the purpose of light filling, drive arrangement 6 of setting has just made things convenient for to control the regulation, thereby make the regulation of illumination angle more accurate, the reliability is higher, drive arrangement 6 simultaneously, lens cone 1 and each lens subassembly all need not complicated structure and install the setting, the effectual cost that has reduced, moreover, the steam generator is simple in structure, small in size, and convenient for use.

In a further improvement, as shown in fig. 1 to 4, the driving device 6 includes a motor 60 fixedly connected to the lens barrel 1, a driving gear 61 fixedly connected to a rotation shaft of the motor 60, and a driven gear 62 engaged with the driving gear 61, the driven gear 62 is fixedly connected to the spiral groove member 2, the motor 60 can be electrically connected to a device requiring light supplement through a connection interface, and the device requiring light supplement provides power, or a separately provided power supply provides power to the motor 60, the power supply preferably uses a large-capacity rechargeable battery for carrying and using, and the driving gear 61 and the driven gear 62 are directly engaged to drive the spiral groove member 2 to rotate, thereby avoiding the problem of complex structure caused by the arrangement of other components between the driving gear 61 and the driven gear 62. In order to more accurately determine the rotating position of the spiral groove member 2, the driven gear 62 is provided with an optical coupling induction sheet 7, the lens cone 1 is provided with an optical coupling plate 8 capable of inducing the rotating position of the optical coupling induction sheet 7, the optical coupling plate 8 is a circuit board provided with an optical coupling inductor 80, the optical coupling induction sheet 7 is made of metal sheets, when the optical coupling induction sheet rotates along with the driven gear 62, after the optical coupling induction sheet is opposite to the optical coupling inductor 80, the optical coupling inductor 80 can induce light changes to enable the circuit board to generate voltage and current signals, so as to determine whether the spiral groove member 2 rotates to a proper position to stop the operation of the motor 60, the motor 60 and the optical coupling plate 8 are arranged on an optical coupling plate support 81, so that the motor 60 and the optical coupling plate 8 are integrated into a whole, the structure is compact, the installation is convenient, and the lens cone 1 is fixedly connected with a lens cone pressing ring, lens cone clamping ring 13 is also the clamp plate in traditional focus lens, just prevents through lens cone clamping ring 13 that compensation lens subassembly 4 from droing from lens cone 1, inject compensation lens subassembly 4 and remove in lens cone 1, opto-coupler plate support 81 fixed connection is on lens cone clamping ring 13, and compact structure is firm, just fixes opto-coupler inductor 80's position, avoids producing the regulation inaccuracy that changes and lead to because its position. At this moment optical coupling inductor 80 chooses for use correlation groove type photoelectric sensor, optical coupling response piece 7 can the part stretch into the inslot of optical coupling inductor 80, that is to say the cell wall of optical coupling inductor 80 is the direction of rotation that is on a parallel with optical coupling response piece 7, and optical coupling response piece 7 is along with driven gear 62's rotation in-process, and its part can follow optical coupling inductor 80's groove and pass through, and the change of light just so can more accurate sensing, and the reliability is higher. In order to facilitate installation and not influence the meshing between the driven gear 62 and the driving gear 61, the driven gear 62 is an annular part, a circle of tooth surfaces 620 and a circle of smooth surfaces 621 are arranged on the outer surface of the side wall of the driven gear 62 in parallel along the circumferential direction, the driven gear 62 is fixedly connected with the spiral groove part 2 at the smooth surface 621, the driving gear 61 and the driven gear 62 are meshed with each other at the tooth surfaces 620, and the tooth surfaces 620 and the smooth surfaces 621 divide the outer surface of the side wall of the driven gear 62 into two parts.

In a further improvement, as shown in fig. 1 to 4, the light supplement light source 11 is a laser light source emitting light through a fiber laser, a fiber head of the fiber laser is mounted on a flange 14, the flange 14 is fixedly connected to the barrel pressing ring 13, the laser light source has good monochromaticity, strong directivity and high brightness, light supplement can be performed for a specific direction position by using good performance of the laser light source, the fiber head of the fiber laser and the flange 14 can be fixed or detachable, and different fiber lasers can be adopted according to different requirements by being detachable, so as to meet requirements for use in different scenes.

In a further improvement, as shown in fig. 3 and 4, the zoom lens assembly 3 includes a zoom lens assembly 30 for zooming, a first lens holder 31 for mounting the zoom lens assembly 30, the compensation lens assembly 4 includes a compensation lens assembly 40 for compensating for focus deviation during zooming, and a second lens holder 41 for mounting the compensation lens assembly 40, the zoom lens assembly 30 and the compensation lens assembly 40 are both composed of one or more lenses, each lens assembly is mounted on the lens holder to avoid instability of lens assembly combination or damage to the lens during sliding, the lenses constituting each lens assembly can select convex lenses, concave lenses or combination thereof according to different requirements, the first lens holder 31 and the second lens holder 41 are fixedly connected with corresponding slide bars 5 and slide in the lens barrel 1 under the driving of the slide bars 5, and the light supplement source 11 is disposed opposite to the compensation lens assembly 40, the light emitted by the light source is made to be the same as the optical axis of the compensation lens group 40, and the light source is fully utilized. In order to ensure the light supplementing effect, the lens 10, the zoom lens assembly 3, the compensation lens assembly 4 and the light supplementing light source 11 on the lens barrel 1 have the same main optical axis, that is, the lens 10, the zoom lens assembly 3, the compensation lens assembly 4 and the light supplementing light source 11 on the lens barrel 1 are sequentially arranged in parallel, light emitted by the light supplementing light source 11 is emitted to the compensation lens assembly 4 in the forward direction, then the light is emitted through the zoom lens assembly 3 and the lens 10 on the lens barrel 1 in sequence, the light supplementing purpose is achieved by changing the illumination angle after focusing, continuous angle change can be realized, the light adjusting range is wide, and the light supplementing effect is more reliable.

In a further modification, as shown in fig. 1 to 4, the lens barrel 1 has a ring of protrusions 15 extending radially outward from the outer wall of the end where the lens 10 is mounted, opposite to the end of the spiral groove member 2, so that the spiral groove member 2 is prevented from falling off the lens barrel 1. In order to facilitate the installation of the device, the lens barrel 1 is further provided with a base, the base can be installed on the lens barrel 1 in a detachable or fixed mode, the damage to the lens barrel 1 caused by frequent detachment and installation can be avoided in the fixed mode, and the light supplementing device can be conveniently installed on equipment needing auxiliary light supplementing through the base.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (10)

1. The utility model provides an infrared laser light filling camera lens device which characterized in that: install the lens cone that the lens other end was provided with the light filling light source including one end, be equipped with straight line draw-in groove along the lens cone axial on the lateral wall of lens cone, the lateral wall overcoat of lens cone is equipped with the gliding cylindrical spiral groove spare of relative lens cone, straight line draw-in groove is the bar through-hole that link up the lens cone lateral wall, at least one helicla flute has been seted up on the lateral wall of spiral groove spare, zoom lens subassembly is installed to the one end of adjacent lens in the lens cone, the compensation lens subassembly that corresponds to the light filling light source is installed to the other end in the lens cone, equal fixedly connected with slide bar on zoom lens subassembly and the compensation lens subassembly, the slide bar is all worn out and is slided and establish in the helicla flute from straight line draw-in groove, still fixedly connected.

2. The infrared laser fill-in lens device of claim 1, wherein: the driving device comprises a motor fixedly connected to the lens barrel, a driving gear fixedly connected to a rotating shaft of the motor, and a driven gear meshed with the driving gear, wherein the driven gear is fixedly connected to the spiral groove piece.

3. The infrared laser fill-in lens device of claim 2, wherein: the driven gear is provided with an optical coupling induction sheet, the lens barrel is provided with an optical coupling plate capable of inducing the rotation position of the optical coupling induction sheet, the optical coupling plate is a circuit board provided with an optical coupling inductor, and the motor and the optical coupling plate are arranged on an optical coupling plate bracket; the lens cone is fixedly connected with a lens cone pressing ring corresponding to the compensation lens assembly, and the optical coupling plate support is fixedly connected to the lens cone pressing ring.

4. The infrared laser fill-in lens device of claim 3, wherein: the optical coupling inductor is a correlation groove type photoelectric sensor, and the optical coupling inductor part extends into a groove of the optical coupling inductor.

5. The infrared laser fill-in lens device of claim 3, wherein: the light supplementing light source is a laser light source which emits light through a fiber laser, the fiber head of the fiber laser is installed on a flange, and the flange is fixedly connected to the lens cone pressing ring.

6. The infrared laser fill-in lens device of claim 2, wherein: the driven gear is an annular component, a circle of tooth surfaces and a circle of polished surfaces are arranged on the outer surface of the side wall of the driven gear in parallel along the circumferential direction, the driven gear is fixedly connected with the spiral groove piece at the polished surface, and the driving gear is meshed with the driven gear at the tooth surfaces.

7. The infrared laser fill-in lens device of claim 1, wherein: the zoom lens assembly and the compensation lens assembly are fixedly connected with the slide bars in a sliding manner in different spiral grooves.

8. The infrared laser fill-in lens device of claim 1, wherein: the zoom lens assembly comprises a zoom lens assembly used for zooming and a first lens support for mounting the zoom lens assembly, the compensation lens assembly comprises a compensation lens assembly for compensating focus deviation during zooming and a second lens support for mounting the compensation lens assembly, the zoom lens assembly and the compensation lens assembly are both composed of one or more lenses, the first lens support and the second lens support are fixedly connected with corresponding sliding rods and slide in the lens barrel under the driving of the sliding rods, and the light supplementing light source is arranged right opposite to the compensation lens assembly.

9. The infrared laser fill-in lens device of claim 1, wherein: the lens, the zoom lens component, the compensation lens component and the light supplementing light source on the lens barrel have the same main optical axis.

10. The infrared laser fill-in lens device of claim 1, wherein: the outer wall of the lens barrel at one end for mounting the lens extends outwards along the radial direction to form a circle of bulges opposite to the end part of the spiral groove piece.

Images