CN113419323A - Long-focus large-aperture monitoring lens - Google Patents

Long-focus large-aperture monitoring lens Download PDF

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Publication number
CN113419323A
CN113419323A CN202110853367.8A CN202110853367A CN113419323A CN 113419323 A CN113419323 A CN 113419323A CN 202110853367 A CN202110853367 A CN 202110853367A CN 113419323 A CN113419323 A CN 113419323A
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CN
China
Prior art keywords
lens
driving motor
long
base
scraper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110853367.8A
Other languages
Chinese (zh)
Inventor
何建中
袁楚才
陈颖
李员娣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Nien Photoelectric Technology Co ltd
Original Assignee
Shenzhen Nien Photoelectric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Nien Photoelectric Technology Co ltd filed Critical Shenzhen Nien Photoelectric Technology Co ltd
Priority to CN202110853367.8A priority Critical patent/CN113419323A/en
Publication of CN113419323A publication Critical patent/CN113419323A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165—Scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Studio Devices (AREA)

Abstract

The invention provides a long-focus large-aperture monitoring lens, which relates to the technical field of monitoring devices and solves the problems that the cleaning of dust on a lens, the collection of dust on a camera main body, the airflow and vibration type cleaning of the dust cannot be realized while the focus is adjusted through structural improvement; the problem that the lens cannot be protected in bad weather through structural improvement is solved. A long-focus large-aperture monitoring lens comprises a base; the base is fixed on the wall body. The scraper is in a rectangular plate-shaped structure, and two auxiliary blocks in a triangular plate-shaped structure are symmetrically welded on the scraper; scraper blade threaded connection is on the threaded rod, and when driving motor B rotated the scraper blade was the removal state to can scrape the dust in the camera lens main part and clear up in the radiating groove.

Description

Long-focus large-aperture monitoring lens
Technical Field
The invention belongs to the technical field of monitoring devices, and particularly relates to a long-focus large-aperture monitoring lens.
Background
With the continuous popularization of security monitoring facilities, the requirements on applied security monitoring lenses in the market are higher and higher; meanwhile, the demand for miniaturization of the lens in the market is more and more strong, so that a miniaturized large-aperture monitoring camera with adjustable focal length is urgently needed to be developed.
As disclosed in publication No.: CN110703414A, the invention discloses a big aperture fixed focus lens and a shooting device, the big aperture fixed focus lens includes: the lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from an object side to an image side along an optical axis; wherein, the first lens is a convex-concave negative focal power aspheric lens; the second lens is a concave-convex negative focal power aspheric lens; the third lens is a positive focal power aspheric lens with a convex object side surface; the fourth lens is a spherical mirror with a concave image side surface; the fifth lens is a convex spherical mirror, the fourth lens and the fifth lens form a cemented lens, and the focal powers of the fifth lens and the fourth lens are different; the sixth lens is an aspheric lens with a convex positive focal power on the object side surface. The lens has the characteristics of small volume and large light flux, and has the advantages that the F number is less than 1.2, and the ratio of the total length TTL of an optical system to the focal length F of the optical system is TTL/F.
The large aperture monitoring camera similar to the above application has the following disadvantages:
one is that, although the existing camera can adjust the focal length, the existing camera cannot adjust the focal length and simultaneously realize the dust cleaning on the lens, the dust collection on the camera body, the dust airflow and vibration type cleaning through structural improvement; moreover, the existing device cannot realize the protection of the lens in severe weather through structural improvement.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a long-focus large-aperture monitoring lens is provided to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a long-focus large-aperture monitoring lens, so as to solve the problem that the existing camera, although being capable of adjusting the focus, cannot adjust the focus and simultaneously achieve the cleaning of dust on the lens, the collection of dust on the camera body, the airflow and vibration type cleaning of dust through structural improvement; moreover, the existing device can not realize the protection of the lens in the severe weather through structural improvement.
The invention relates to a long-focus large-aperture monitoring lens, which is achieved by the following specific technical means:
a long-focus large-aperture monitoring lens comprises a base;
the base is fixed on the wall body;
the base includes:
the connecting rod is of a cylindrical rod-shaped structure and is welded on the top end face of the base;
the mounting seat is welded at the head end of the connecting rod and is of a concave structure;
a lens body mounted on a base;
a driving structure mounted on the lens body.
Further, the driving structure further includes:
the scraper is of a rectangular plate-shaped structure, and two auxiliary blocks of the triangular plate-shaped structure are symmetrically welded on the scraper; the scraper is in threaded connection with the threaded rod and is in a moving state when the driving motor B rotates.
Further, the driving structure further includes:
six through holes B are formed in the scraper plate in a linear array; the through hole B is formed in an inclined shape, and the inclined angle of the through hole B is 45 degrees.
Further, the driving structure further includes:
elastic telescopic rod, elastic telescopic rod install on the scraper blade, and the elastic telescopic rod head end is the hemisphere structure to elastic telescopic rod head end and radiating groove elastic clamping contact.
Further, the base includes:
the fixing holes are two in number and symmetrically arranged on the base, and the base is of a concave seat-shaped structure.
Further, the base further includes:
the driving motor A is fixedly connected to the mounting seat through a bolt;
the camera lens main part, the camera lens main part rotates to be connected on the mount pad, and the axis of rotation of camera lens main part is connected with driving motor A's axis of rotation.
Further, the lens body includes:
the telescopic head is connected in the lens main body in a sliding manner;
the connecting seat is welded on the lens main body and is of a rectangular plate structure;
the driving structure includes:
the threaded rod is rotatably connected to the telescopic head, a driving motor B is mounted on the telescopic head, and a rotating shaft of the driving motor B is connected with the threaded rod; the threaded rod is in threaded connection with the connecting seat.
Further, the driving structure further includes:
the blades are arranged on the driving motor B, the two blades are arranged on the rotating shaft of the driving motor B, and the two blades jointly form a heat dissipation structure of the driving motor B.
Further, the driving structure further includes:
the auxiliary box is welded on the telescopic head in a welded mode, is of a rectangular box-shaped structure and is sleeved on the outer side of the blade;
the through holes A are formed in the bottom of the auxiliary box in a rectangular array shape and are formed in an inclined shape; the inclination angle of the through hole A is 45 degrees, and the air outlet of the through hole A is aligned with the position of the lens on the telescopic head.
Further, the lens body further includes:
the heat dissipation grooves are arranged on the lens main body in a rectangular array mode, and each heat dissipation groove is composed of two inclined grooves.
Compared with the prior art, the invention has the following beneficial effects:
through the arrangement of the driving structure, firstly, the threaded rod is connected to the telescopic head in a rotating mode, the telescopic head is provided with a driving motor B, and a rotating shaft of the driving motor B is connected with the threaded rod; the threaded rod is in threaded connection with the connecting seat, so that when the driving motor B rotates, the telescopic head can be stretched, and the distance adjustment of the lens is further realized;
secondly, two blades are arranged, the two blades are both arranged on a rotating shaft of the driving motor B, and the two blades jointly form a heat dissipation structure of the driving motor B, so that the heat dissipation of the driving motor B can be realized through the blades when the driving motor B rotates;
thirdly, the through holes A are arranged at the bottom of the auxiliary box in a rectangular array shape and are obliquely arranged; the inclination angle of the through hole A is 45 degrees, and the air outlet of the through hole A is aligned with the position of the lens on the telescopic head, so that the air flow cleaning of dust on the lens can be realized;
fourthly, the scraper is in a rectangular plate-shaped structure, and two auxiliary blocks in a triangular plate-shaped structure are symmetrically welded on the scraper; the scraper is in a moving state when the driving motor B rotates, so that dust on the lens body can be scraped into the heat dissipation groove to be cleaned;
fifthly, as the through holes B are totally six, and the six through holes B are arranged on the scraper in a linear array; the through hole B is obliquely formed, and the inclination angle of the through hole B is 45 degrees, so that when the scraper moves, the air flow at the through hole B can realize auxiliary cleaning of dust in the heat dissipation groove and auxiliary heat dissipation of the lens main body;
sixthly, because of the elastic telescopic rod is installed on the scraper blade, and the head end of the elastic telescopic rod is of a hemispherical structure, and the head end of the elastic telescopic rod is in elastic clamping contact with the heat dissipation groove, so that when the scraper blade moves, the vibration of the lens main body can be realized through the continuous elastic clamping of the elastic telescopic rod and the heat dissipation groove, and the vibration sliding of dust in the heat dissipation groove is realized.
Through the setting of mount pad, driving motor A and camera lens main part, when driving motor A rotated, rotated 90 degrees back camera lens main part and was located the mount pad as the camera lens main part to can realize the protection of flexible overhead lens.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is an enlarged schematic view of fig. 3 a according to the present invention.
Fig. 5 is a schematic axial view of the present invention in another direction of fig. 1.
Fig. 6 is a schematic view of the present invention in a broken-away axial view.
Fig. 7 is an enlarged view of the structure of fig. 6B according to the present invention.
Fig. 8 is an enlarged view of the structure of fig. 6C according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a base; 101. a fixing hole; 102. a connecting rod; 103. a mounting seat; 104. driving a motor A; 2. a lens main body; 201. a telescopic head; 202. a connecting seat; 203. a heat sink; 3. a drive structure; 301. a threaded rod; 302. driving a motor B; 303. a blade; 304. an auxiliary box; 305. a through hole A; 306. a squeegee; 307. an auxiliary block; 308. a through hole B; 309. an elastic telescopic rod.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a long-focus large-aperture monitoring lens, which comprises a base 1;
the base 1 is fixed on a wall body;
the base 1 includes:
the connecting rod 102, the connecting rod 102 is a cylindrical rod-shaped structure, and the connecting rod 102 is welded on the top end surface of the base 1;
the mounting seat 103 is welded at the head end of the connecting rod 102, and the mounting seat 103 is of a concave structure;
a lens body 2, the lens body 2 being mounted on the base 1;
and a driving structure 3, wherein the driving structure 3 is installed on the lens body 2.
Referring to fig. 1, the base 1 includes:
the number of the fixing holes 101 is two, the two fixing holes 101 are symmetrically formed in the base 1, and the base 1 is of a concave seat-shaped structure.
By adopting the technical scheme, when the base 1 is fixed on the wall body by using the fixing bolt, the looseness prevention of the fixing bolt can be realized by the elasticity of the base 1.
Referring to fig. 1, the base 1 further includes:
the driving motor A104 is fixedly connected to the mounting base 103 through bolts;
the lens body 2, the lens body 2 is rotatably connected on the mount 103, and the rotation axis of the lens body 2 is connected with the rotation axis of the driving motor a 104.
With the above technical solution, when the driving motor a104 rotates, the angle adjustment of the lens body 2 can be realized.
Referring to fig. 1, the lens body 2 includes:
the telescopic head 201, the telescopic head 201 is connected in the lens body 2 slidably;
a connecting base 202, wherein the connecting base 202 is welded on the lens body 2, and the connecting base 202 is a rectangular plate-shaped structure;
the drive structure 3 includes:
the threaded rod 301, the threaded rod 301 is rotatably connected to the telescopic head 201, the telescopic head 201 is provided with a driving motor B302, and the rotating shaft of the driving motor B302 is connected with the threaded rod 301; threaded rod 301 is threadedly connected to attachment block 202.
By adopting the technical scheme, when the driving motor B302 rotates, the telescopic head 201 can be stretched, and further the distance adjustment of the lens is realized.
Referring to fig. 1, the driving structure 3 further includes:
the number of the blades 303 is two, and the two blades 303 are both mounted on the rotating shaft of the driving motor B302, and the two blades 303 jointly form a heat dissipation structure of the driving motor B302.
By adopting the technical scheme, when the driving motor B302 rotates, the heat dissipation of the driving motor B302 can be realized through the blades 303.
Referring to fig. 6 and 8, the driving structure 3 further includes:
the auxiliary box 304 is welded on the telescopic head 201, the auxiliary box 304 is of a rectangular box-shaped structure, and the auxiliary box 304 is sleeved on the outer side of the blade 303;
through holes A305, the through holes A305 are arranged at the bottom of the auxiliary box 304 in a rectangular array shape, and the through holes A305 are arranged in an inclined shape; the inclination angle of the through hole a305 is 45 degrees, and the air outlet of the through hole a305 is aligned with the position of the lens on the telescopic head 201.
By adopting the technical scheme, the air flow cleaning of dust on the lens can be realized.
Referring to fig. 6, the lens body 2 further includes:
the heat dissipation grooves 203 are arranged on the lens body 2 in a rectangular array, and each heat dissipation groove 203 is composed of two inclined grooves.
By adopting the technical scheme, the probability of dust remaining in the heat radiating groove 203 can be reduced.
Referring to fig. 6, the driving structure 3 further includes:
the scraper 306 is in a rectangular plate-shaped structure, and two auxiliary blocks 307 in a triangular plate-shaped structure are symmetrically welded on the scraper 306; the scraper 306 is screwed on the threaded rod 301, and the scraper 306 is in a moving state when the driving motor B302 rotates.
By adopting the technical scheme, dust on the lens main body 2 can be scraped into the heat dissipation groove 203 for cleaning.
Referring to fig. 6, the driving structure 3 further includes:
six through holes B308 are formed in the through holes B308, and the six through holes B308 are arranged on the scraper 306 in a linear array; the through hole B308 is formed in an inclined shape, and the inclined angle of the through hole B308 is 45 degrees.
With the above technical solution, when the scraper 306 moves, the airflow at the through hole B308 can achieve auxiliary cleaning of dust in the heat dissipation groove 203 and auxiliary heat dissipation of the lens body 2.
Referring to fig. 6, the driving structure 3 further includes:
the elastic telescopic rod 309 and the elastic telescopic rod 309 are mounted on the scraper 306, the head end of the elastic telescopic rod 309 is of a hemispherical structure, and the head end of the elastic telescopic rod 309 is in elastic clamping contact with the heat dissipation groove 203.
By adopting the technical scheme, when the scraper 306 moves, the elastic expansion rod 309 is in continuous elastic clamping connection with the heat dissipation groove 203 to realize the vibration of the lens main body 2, so that the vibration and the sliding of dust in the heat dissipation groove 203 are realized.
In another embodiment, when the lens body 2 is rotated 90 degrees, the lens body 2 is located in the mounting seat 103, so that the protection of the lens on the retractable head 201 can be realized.
The specific use mode and function of the embodiment are as follows:
when the driving motor a104 rotates, the lens body 2 is located in the mounting seat 103 after the lens body 2 rotates by 90 degrees, so that the protection of the lens on the telescopic head 201 can be realized;
when the driving motor A104 rotates, firstly, the threaded rod 301 is connected to the telescopic head 201 in a rotating mode, the telescopic head 201 is provided with the driving motor B302, and the rotating shaft of the driving motor B302 is connected with the threaded rod 301; the threaded rod 301 is in threaded connection with the connecting seat 202, so that when the driving motor B302 rotates, the telescopic head 201 can be stretched, and the distance adjustment of the lens is further realized; secondly, two blades 303 are arranged, the two blades 303 are both arranged on a rotating shaft of the driving motor B302, and the two blades 303 jointly form a heat dissipation structure of the driving motor B302, so that heat dissipation of the driving motor B302 can be realized through the blades 303 when the driving motor B302 rotates; thirdly, the through holes a305 are arranged at the bottom of the auxiliary box 304 in a rectangular array, and the through holes a305 are arranged in an inclined manner; the inclination angle of the through hole A305 is 45 degrees, and the air outlet of the through hole A305 is aligned with the position of the lens on the telescopic head 201, so that the air flow cleaning of dust on the lens can be realized; fourthly, the scraper 306 is in a rectangular plate-shaped structure, and two auxiliary blocks 307 in a triangular plate-shaped structure are symmetrically welded on the scraper 306; the scraper 306 is in threaded connection with the threaded rod 301, and when the driving motor B302 rotates, the scraper 306 is in a moving state, so that dust on the lens body 2 can be scraped into the heat dissipation groove 203 for cleaning; fifthly, six through holes B308 are arranged, and the six through holes B308 are arranged on the scraper 306 in a linear array; the through hole B308 is formed in an inclined shape, and the inclined angle of the through hole B308 is 45 degrees, so that when the scraper 306 moves, the airflow at the through hole B308 can realize auxiliary cleaning of dust in the heat dissipation groove 203 and auxiliary heat dissipation of the lens main body 2; sixthly, because the elastic expansion link 309 is installed on the scraper 306, and the head end of the elastic expansion link 309 is of a hemispherical structure, and the head end of the elastic expansion link 309 is in elastic clamping contact with the heat dissipation groove 203, vibration of the lens main body 2 can be realized through continuous elastic clamping of the elastic expansion link 309 and the heat dissipation groove 203 when the scraper 306 moves, and vibration sliding of dust in the heat dissipation groove 203 is realized.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides a big light ring monitor lens of long focal length which characterized in that: comprises a base;
the base is fixed on the wall body;
the base includes:
the connecting rod is of a cylindrical rod-shaped structure and is welded on the top end face of the base;
the mounting seat is welded at the head end of the connecting rod and is of a concave structure;
a lens body mounted on a base;
a driving structure mounted on the lens body.
2. The long-focus large-aperture monitoring lens according to claim 1, wherein: the base includes:
the fixing holes are two in number and symmetrically arranged on the base, and the base is of a concave seat-shaped structure.
3. The long-focus large-aperture monitoring lens according to claim 1, wherein: the base further includes:
the driving motor A is fixedly connected to the mounting seat through a bolt;
the camera lens main part, the camera lens main part rotates to be connected on the mount pad, and the axis of rotation of camera lens main part is connected with driving motor A's axis of rotation.
4. The long-focus large-aperture monitoring lens according to claim 1, wherein: the lens body includes:
the telescopic head is connected in the lens main body in a sliding manner;
the connecting seat is welded on the lens main body and is of a rectangular plate structure;
the driving structure includes:
the threaded rod is rotatably connected to the telescopic head, a driving motor B is mounted on the telescopic head, and a rotating shaft of the driving motor B is connected with the threaded rod; the threaded rod is in threaded connection with the connecting seat.
5. The long-focus large-aperture monitoring lens according to claim 1, wherein: the driving structure further includes:
the blades are arranged on the driving motor B, the two blades are arranged on the rotating shaft of the driving motor B, and the two blades jointly form a heat dissipation structure of the driving motor B.
6. The long-focus large-aperture monitoring lens according to claim 1, wherein: the driving structure further includes:
the auxiliary box is welded on the telescopic head in a welded mode, is of a rectangular box-shaped structure and is sleeved on the outer side of the blade;
the through holes A are formed in the bottom of the auxiliary box in a rectangular array shape and are formed in an inclined shape; the inclination angle of the through hole A is 45 degrees, and the air outlet of the through hole A is aligned with the position of the lens on the telescopic head.
7. The long-focus large-aperture monitoring lens according to claim 1, wherein: the lens body further includes:
the heat dissipation grooves are arranged on the lens main body in a rectangular array mode, and each heat dissipation groove is composed of two inclined grooves.
8. The long-focus large-aperture monitoring lens according to claim 1, wherein: the driving structure further includes:
the scraper is of a rectangular plate-shaped structure, and two auxiliary blocks of the triangular plate-shaped structure are symmetrically welded on the scraper; the scraper is in threaded connection with the threaded rod and is in a moving state when the driving motor B rotates.
9. The long-focus large-aperture monitoring lens according to claim 1, wherein: the driving structure further includes:
six through holes B are formed in the scraper plate in a linear array; the through hole B is formed in an inclined shape, and the inclined angle of the through hole B is 45 degrees.
10. The long-focus large-aperture monitoring lens according to claim 1, wherein: the driving structure further includes:
elastic telescopic rod, elastic telescopic rod install on the scraper blade, and the elastic telescopic rod head end is the hemisphere structure to elastic telescopic rod head end and radiating groove elastic clamping contact.
CN202110853367.8A 2021-07-28 2021-07-28 Long-focus large-aperture monitoring lens Pending CN113419323A (en)

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CN210740139U (en) * 2019-09-19 2020-06-12 徐州市张场米业有限公司 Ceiling type monitor
CN112422883A (en) * 2019-08-03 2021-02-26 新沂市智创投资管理有限公司 Transaction safety monitoring device for financial service
CN112832071A (en) * 2021-01-07 2021-05-25 王炜 A rail support frame for urban rail transit monolithic construction
CN112879775A (en) * 2021-02-05 2021-06-01 中南林业科技大学 Visual monitoring device of rail mounted forestry
CN213776914U (en) * 2020-10-28 2021-07-23 海南平云清科技服务有限公司 Telescopic multifunctional monitoring camera

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112422883A (en) * 2019-08-03 2021-02-26 新沂市智创投资管理有限公司 Transaction safety monitoring device for financial service
CN210740139U (en) * 2019-09-19 2020-06-12 徐州市张场米业有限公司 Ceiling type monitor
CN213776914U (en) * 2020-10-28 2021-07-23 海南平云清科技服务有限公司 Telescopic multifunctional monitoring camera
CN112832071A (en) * 2021-01-07 2021-05-25 王炜 A rail support frame for urban rail transit monolithic construction
CN112879775A (en) * 2021-02-05 2021-06-01 中南林业科技大学 Visual monitoring device of rail mounted forestry

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