CN216848321U - Long-focus high-definition infrared telephoto optical lens - Google Patents

Abstract

The utility model relates to the technical field of optical lens, and discloses a long-focus high-definition infrared telephoto optical lens, which comprises a mounting base, a CCD image sensor, a circuit board, an outer lens cone, a lens, a space ring, a pressing ring, an aperture diaphragm, a reflector bracket, a reflector, a first inner lens cone, a second inner lens cone, a motor, an infrared filter bracket and an infrared filter, wherein the reflector bracket is respectively arranged at the upper end part and the lower end part of a second light-transmitting through hole through a screw sealing ground cover, the reflector is respectively arranged on the inner side wall of a reflector mounting plate, the aperture diaphragm is embedded in the second light-transmitting through hole, the infrared filter can slide up and down along the first chute and the second chute, the infrared filter can seal the first light-transmitting through hole, the utility model can realize a very long focus through a relatively very short lens cone, is convenient for telephoto, and the infrared filter can be flexibly closed and opened according to the needs of different use occasions, the device has the advantages of wide adaptability, compact structure, small size, portability and strong practicability.

Description

Long-focus high-definition infrared telephoto optical lens

Technical Field

The utility model relates to an optical lens technical field, in particular to infrared telephoto optical lens of long focus high definition.

Background

The infrared photography is a different type of shooting mode, an infrared photosensitive device is matched with an infrared filter to shoot black and white color photos different from the traditional photography, the infrared photography is basically the same as the common photography technology, but the infrared photography utilizes the reflection, refraction and transmission generated by the interaction of infrared light (700-1400 nm) and substances and the infrared light emitted by an object to shoot and image; meanwhile, the infrared rays have the penetrating capability (thin chemical fibers, smoke and water vapor) on some materials and clothes materials relative to the visible light, a miraculous perspective effect can be obtained, and besides the technical application, infrared photography can be used for shooting scenes which cannot be seen by naked eyes in a dark and lightless environment; the infrared filter can be used for shooting and identifying files which are falsified, forged or burnt out, the characteristics are widely applied to the fields of military affairs, public security, archaeology, medicine and the like, and in wind-light shooting, due to the high transmittance of the infrared filter, the infrared filter can filter the influence of atmospheric fog, shoot distant scenes with unexpected clarity, so that the scene beyond reality is achieved, and a special creation method is provided for shooting.

However, most of the existing infrared optical lenses for long-distance shooting at present adopt long lens barrels, so that the lenses are heavy, and most of the infrared filters in the lens barrels adopt fixed mounting structures, i.e., the infrared filters cannot be flexibly closed and opened according to different use occasions, and the infrared optical lenses are narrow in adaptability and need to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an infrared telephoto optical lens of long focus high definition, aim at solving current infrared optical lens who is used for remote shooting and adopt a long lens section of thick bamboo, the camera lens is comparatively heavy, and the infrared filter in the lens cone adopts fixed mounting structure mostly, and infrared filter can not be closed and opened according to the use occasion needs of difference in a flexible way promptly, the narrow technical problem of adaptability.

In order to achieve the above object, the long-focus high-definition infrared telephoto optical lens provided by the present invention comprises a mounting base, a CCD image sensor, a circuit board, an outer lens barrel, a lens, a spacer ring, a pressing ring, an aperture stop, a reflector holder, a reflector, a first inner lens barrel, a second inner lens barrel, a motor, an infrared filter holder, and an infrared filter, wherein the CCD image sensor is disposed in the mounting base, the circuit board is disposed at an upper end portion of the mounting base, a rear end portion of the outer lens barrel is detachably fixed to a front end portion of the mounting base by a screw, a first light-transmitting through hole extending in an axial direction is concavely disposed at the front end portion of the outer lens barrel, a first accommodating groove is concavely disposed at a front end portion of the first light-transmitting through hole in a circumferential direction, the spacer ring and the lens are both embedded in the first accommodating groove, and the rear end portion of the lens is abutted to the front end portion of the spacer ring, the pressing ring is embedded in the front end part of the outer lens cone, the rear end part of the pressing ring is abutted with the front end part of the lens, the upper end wall of the rear end part of the outer lens cone is concavely provided with a second light-transmitting through hole extending along the vertical direction, the lower end part of the rear end wall of the outer lens cone is concavely provided with a third light-transmitting through hole extending along the axial direction, the upper end part and the lower end part of the second light-transmitting through hole are respectively communicated with the rear end part of the first light-transmitting through hole and the front end part of the third light-transmitting through hole, the rear end part of the third light-transmitting through hole is communicated with the CCD image sensor, the aperture diaphragm is detachably embedded in the second light-transmitting through hole, the reflector bracket is respectively covered on the upper end part and the lower end part of the second light-transmitting through hole in a sealing way through screws, and is respectively provided with a reflector mounting plate arranged in an inclined way, the speculum set up respectively in on the inside wall of speculum mounting panel, the second inner tube inlays to be located the back tip setting of third printing opacity through-hole, be equipped with lens in the second inner tube, first inner tube inlays to be located the back tip setting of first printing opacity through-hole, the motor set up in on the lateral wall of outer tube, the lower extreme wall of the preceding tip of outer tube and first inner tube is concave relatively respectively and is equipped with one and extends first spout and second spout along the circumferencial direction, infrared filter inlays to be located the preceding tip setting of infrared filter support, the back tip of infrared filter support with the output shaft fixed connection of motor, infrared filter can follow slide the setting from top to bottom in first spout and the second spout, just infrared filter can seal first printing opacity through-hole sets up.

Further, still include the limiting plate, the limiting plate set up horizontally in on the lateral wall of outer lens cone, the front end of limiting plate is equipped with a convex stopper, the stopper is located the outside setting of first spout, just the lower tip of infrared filter support can with the upper end wall butt setting of convex stopper.

Further, the front end portion of the first containing groove is concavely provided with a second containing groove along the circumferential direction, the inner circumferential wall of the second containing groove is provided with an internal thread, the outer circumferential wall of the pressing ring is provided with an external thread, and the external thread of the pressing ring is screwed on the internal thread of the second containing groove.

Furthermore, a plurality of bayonets extending along the radial direction are concavely arranged at the front end part of the pressing ring along the circumferential direction.

Further, the infrared filter is formed by adopting a silicon wafer.

Furthermore, the inner peripheral wall of the upper end part of the second light-transmitting through hole is concavely provided with a third accommodating groove matched with the aperture diaphragm, and the aperture diaphragm is detachably embedded in the third accommodating groove.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, through the reflector bracket respectively through the screw closed ground cover locate the second printing opacity through-hole the upper end and the lower tip setting, the speculum sets up respectively on the inside wall of speculum mounting panel, the aperture diaphragm inlays locates in the second printing opacity through-hole to can realize very long focus through the relatively very short lens barrel, be convenient for the telephoto; accessible motor drive infrared filter upwards rotates and gets into first inner tube daytime, seal first printing opacity through-hole, utilize silicon material reflection visible light, see through the infrared light, penetrating rate to the infrared ray is up to the characteristic more than 99%, block the visible light through infrared filter and only allow infrared light to get into in the CCD image sensor, CCD image sensor only sees the infrared light, through infrared imaging, the infrared light that can not see by the naked eye shows, then accessible motor drive infrared filter rotates downwards at night, infrared filter stop work, with the light inlet quantity that increases infrared ray, improve the infrared shooting effect at night, thereby make infrared filter enough close and open according to the use occasion needs of difference in a flexible way, adaptability is wide, and compact structure, small and exquisite light, therefore, the clothes hanger is strong in practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a long-focus high-definition infrared telephoto optical lens proposed by the present invention;

fig. 2 is a schematic view of the overall structure of another view angle of the long-focus high-definition infrared telephoto optical lens according to the present invention;

fig. 3 is a schematic view of an exploded structure of a long-focus high-definition infrared telephoto optical lens according to the present invention;

fig. 4 is another schematic exploded view of the long-focus high-definition infrared telephoto optical lens according to the present invention;

fig. 5 is a schematic view of another exploded structure of a long-focus high-definition infrared telephoto optical lens according to the present invention;

fig. 6 is a schematic structural diagram of an outer lens barrel of a long-focus high-definition infrared telephoto optical lens provided by the utility model.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an infrared telephoto optical lens of long focus high definition.

As shown in fig. 1 to 6, in an embodiment of the present invention, the long-focus high-definition infrared telephoto optical lens includes a mounting base 101, a CCD image sensor 102, a circuit board 103, an outer barrel 104, a lens 105, a spacer 106, a pressing ring 107, an aperture stop 108, a mirror support 109, a mirror (not shown), a first inner barrel 110, a second inner barrel 111, a motor 112, an infrared filter support 113, and an infrared filter 114, the CCD image sensor is disposed in the mounting base, the circuit board is disposed at an upper end of the mounting base, a rear end of the outer barrel is detachably fixed to a front end of the mounting base by screws, a first light-transmitting through hole 1041 extending in an axial direction is recessed at the front end of the outer barrel 104, a first receiving groove 1042 is recessed at the front end of the first light-transmitting through hole in a circumferential direction, the space ring and the lens are embedded in the first accommodating groove, the rear end of the lens is abutted against the front end of the space ring, the pressing ring is embedded in the front end of the outer lens cone, the rear end of the pressing ring is abutted against the front end of the lens, the upper end wall of the rear end of the outer lens cone is concavely provided with a second light transmission through hole 1043 extending along the vertical direction, the lower end of the rear end wall of the outer lens cone is concavely provided with a third light transmission through hole 1044 extending along the axial direction, the upper end and the lower end of the second light transmission through hole are respectively communicated with the rear end of the first light transmission through hole and the front end of the third light transmission through hole, the rear end of the third light transmission through hole is communicated with the CCD image sensor, the aperture diaphragm is detachably embedded in the second light transmission through hole, the reflector bracket is respectively covered on the upper end and the lower end of the second light transmission through hole through a screw in a sealing manner, the mirror brackets 109 are respectively provided with a mirror mounting plate 1091 arranged obliquely, the reflectors are respectively arranged on the inner side walls of the reflector mounting plates, the second inner lens cone is embedded in the rear end part of the third light-transmitting through hole, a lens is arranged in the second inner lens cone, the first inner lens cone is embedded in the rear end part of the first light-transmitting through hole, the motor is arranged on the outer side wall of the outer lens cone, the lower end walls of the front end parts of the outer lens cone and the first inner lens cone are respectively and oppositely provided with a first chute 1045 and a second chute 1101 which extend along the circumferential direction in a concave mode, the infrared filter is embedded in the front end part of the infrared filter bracket, the rear end part of the infrared filter bracket is fixedly connected with the output shaft of the motor, the infrared filter can follow slide setting from top to bottom in first spout and the second spout, just infrared filter can seal first printing opacity through-hole sets up.

Specifically, the infrared filter holder further comprises a limiting plate 115, the limiting plate is horizontally arranged on the outer side wall of the outer lens cone, a circular arc-shaped limiting block 1151 is arranged at the front end of the limiting plate, the limiting block is located on the outer side of the first sliding groove, and the lower end of the infrared filter holder can be abutted to the upper end wall of the circular arc-shaped limiting block.

Specifically, a second receiving groove 1046 is concavely formed in the front end portion of the first receiving groove along the circumferential direction, an internal thread (not shown) is formed in the inner circumferential wall of the second receiving groove, an external thread (not shown) is formed in the outer circumferential wall of the pressing ring, and the external thread of the pressing ring is screwed on the internal thread of the second receiving groove.

Specifically, the front end portion of the pressing ring 107 is recessed in the circumferential direction with a plurality of bayonets 1071 extending in the radial direction.

Specifically, the infrared filter is formed by using a silicon wafer.

Specifically, the inner peripheral wall of the upper end portion of the second light-transmitting through hole 1043 is concavely provided with a third accommodating groove 1047 matched with the aperture diaphragm, and the aperture diaphragm is detachably embedded in the third accommodating groove.

Specifically, the utility model discloses a reflector bracket is respectively through the screw closure ground lid locate the second printing opacity through-hole the upper end portion and the lower tip setting, the speculum is respectively set up on the inside wall of speculum mounting panel, the aperture diaphragm inlays and locates in the second printing opacity through-hole to can realize very long focus through the lens barrel that is very short relatively, be convenient for the telephoto; accessible motor drive infrared filter upwards rotates and gets into first inner tube daytime, seal first printing opacity through-hole, utilize silicon material reflection visible light, see through the infrared light, penetrating rate to the infrared ray is up to the characteristic more than 99%, block the visible light through infrared filter and only allow infrared light to get into in the CCD image sensor, CCD image sensor only sees the infrared light, through infrared imaging, the infrared light that can not see by the naked eye shows, then accessible motor drive infrared filter rotates downwards at night, infrared filter stop work, with the light inlet quantity that increases infrared ray, improve the infrared shooting effect at night, thereby make infrared filter enough close and open according to the use occasion needs of difference in a flexible way, adaptability is wide, and compact structure, small and exquisite light, therefore, the clothes hanger is strong in practicability.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (6)

1. A long-focus high-definition infrared telephoto optical lens is characterized by comprising an installation base, a CCD image sensor, a circuit board, an outer lens barrel, a lens, a space ring, a pressing ring, an aperture diaphragm, a reflector bracket, a reflector, a first inner lens barrel, a second inner lens barrel, a motor, an infrared filter bracket and an infrared filter, wherein the CCD image sensor is arranged in the installation base, the circuit board is arranged at the upper end part of the installation base, the rear end part of the outer lens barrel is detachably fixed at the front end part of the installation base through a screw, a first light-transmitting through hole extending along the axial direction is concavely arranged at the front end part of the outer lens barrel, a first accommodating groove is concavely arranged at the front end part of the first light-transmitting through hole along the circumferential direction, the space ring and the lens are both embedded in the first accommodating groove, and the rear end part of the lens is abutted against the front end part of the space ring, the pressing ring is embedded in the front end part of the outer lens cone, the rear end part of the pressing ring is abutted with the front end part of the lens, the upper end wall of the rear end part of the outer lens cone is concavely provided with a second light-transmitting through hole extending along the vertical direction, the lower end part of the rear end wall of the outer lens cone is concavely provided with a third light-transmitting through hole extending along the axial direction, the upper end part and the lower end part of the second light-transmitting through hole are respectively communicated with the rear end part of the first light-transmitting through hole and the front end part of the third light-transmitting through hole, the rear end part of the third light-transmitting through hole is communicated with the CCD image sensor, the aperture diaphragm is detachably embedded in the second light-transmitting through hole, the reflector bracket is respectively covered on the upper end part and the lower end part of the second light-transmitting through hole in a sealing way through screws, and is respectively provided with a reflector mounting plate arranged in an inclined way, the speculum set up respectively in on the inside wall of speculum mounting panel, the second inner tube inlays to be located the back tip setting of third printing opacity through-hole, be equipped with lens in the second inner tube, first inner tube inlays to be located the back tip setting of first printing opacity through-hole, the motor set up in on the lateral wall of outer tube, the lower extreme wall of the preceding tip of outer tube and first inner tube is concave relatively respectively and is equipped with one and extends first spout and second spout along the circumferencial direction, infrared filter inlays to be located the preceding tip setting of infrared filter support, the back tip of infrared filter support with the output shaft fixed connection of motor, infrared filter can follow slide the setting from top to bottom in first spout and the second spout, just infrared filter can seal first printing opacity through-hole sets up.

2. The long-focus high-definition infrared telephoto optical lens according to claim 1, further comprising a limiting plate, wherein the limiting plate is horizontally disposed on an outer sidewall of the outer lens barrel, a circular arc-shaped limiting block is disposed at a front end of the limiting plate, the limiting block is disposed at an outer side of the first sliding groove, and a lower end of the infrared filter support can be abutted against an upper end wall of the circular arc-shaped limiting block.

3. The long-focus high-definition infrared telephoto optical lens system according to claim 1, wherein a second receiving groove is formed at a front end portion of the first receiving groove in a concave manner along a circumferential direction, an inner circumferential wall of the second receiving groove is provided with an internal thread, an outer circumferential wall of the pressing ring is provided with an external thread, and the external thread of the pressing ring is screwed on the internal thread of the second receiving groove.

4. The long-focus high-definition infrared telephoto optical lens according to claim 3, wherein a front end portion of the pressing ring is recessed in a circumferential direction with a plurality of bayonets extending in a radial direction.

5. The long-focus high-definition infrared telephoto optical lens according to claim 1, wherein the infrared filter is formed using a silicon wafer.

6. The long-focus high-definition infrared telephoto optical lens according to claim 1, wherein a third receiving groove adapted to the aperture stop is concavely disposed on an inner peripheral wall of an upper end portion of the second light-transmitting through hole, and the aperture stop is detachably embedded in the third receiving groove.

Images