CN103226280A

CN103226280A - Video head antifouling protector

Info

Publication number: CN103226280A
Application number: CN2012100215131A
Authority: CN
Inventors: 钟平贵; 路永和; 单新华
Original assignee: China Petroleum and Chemical Corp
Current assignee: China Petroleum and Chemical Corp
Priority date: 2012-01-31
Filing date: 2012-01-31
Publication date: 2013-07-31

Abstract

A video head antifouling protector adopts the structure that an upper roll (2) and a lower roll (8) are mounted at the upper part and the lower part of a machine body (1) respectively; a transparent covering membrane (4) is connected between the upper roll (2) and the lower roll (8); a groove is formed in the middle part of the machine body (1); the groove is provided with hollow holes so as to correspond to the covering membrane (4) between the upper roll (2) and the lower roll (8); a motor (9) is mounted on the machine body (1); and the upper roll (2) or the lower roll (8) is connected with the motor (9). According to the invention, the motor is used for driving the rolling wheel to tension and removing the polluted covering membrane so as to expose the clear part and safeguard the resolution of the viewing images. Therefore, the viewing images are not distorted and the camera is protected. The video head antifouling protector is reasonable in design, compact in structure, easy to dismantle and mount, and convenient to operate, can easily realize automatic control, and not only prevents the camera from pollution, but also exerts no influence on the functions and effects of the original camera.

Description

The video heads dirt-proof protector

Technical field

The present invention relates to relate to International Classification of Patents G03B photography, show or watch the device of usefulness or the relevant annex of equipment, especially video heads dirt-proof protector.

Background technology

In the known technology, keep the particular surroundings of close-up monitoring and the place at some rescue scenes at needs, need lay and to carry out clear video device for monitoring in real time, the real-time Transmission that is used for field condition, because on-the-spot special environment, tend to cause the observation fuzzy pictures and can't gather the observation picture, and therefore cause the monitoring accident because factors such as dust, steam, greasy dirt produce the observation camera lens that pollutes video monitoring device.

Based on above reason; produced innovative approach targetedly in the prior art; but correlation technique discloses less; as number of patent application 200,510,042,977 1 kinds of air-flow isolated camera lens dust-proof dirt-proof protectors, comprise conical ring air-flow screen generator, the clean compressed air source of airtight protection housing, adjustable flow.Conical ring air screen generator is arranged on before the pick-up lens in the sealed protection housing, and air screen is adjustable to the distance between the pick-up lens.

200610065244 Antipollution lens protective microscopes comprise microscope high power camera lens, microslide, cover glass, and the high power camera lens is provided with the protection picture frame, and the lower end of picture frame is provided with rubber layer, and the cover glass socket is arranged on its rubber layer; Picture frame is connected with the high power camera lens by active connection; Microslide is provided with groove, is provided with step, sample supporter in its groove.

200820107792 mobile phone cam protective devices, it comprises the over cap of camera and the drive unit that the driving over cap moves, and drive unit comprises permanent magnetism module and electromagnetic module, and the magnetic pole of electromagnetic module optionally changes.Further, drive unit also comprises: the relay controller that control electromagnetic module magnetic changes; Be located at the judgement control module on the cell phone mainboard, judge that control module sends instruction to relay controller according to the operation information of cell phone system.

200920216027 slidingtype lens protecting apparatus; it has substrate to be covered in front side lens; the camera aperture of substrate is corresponding with camera lens; initiatively lid and driven lid articulate mutually to cover camera aperture; interlock plate that articulates and swinging plate join to form continuous action relation with driven lid and active lid respectively mutually; utilize the design of swinging plate; allow the user utilize each interelement continuous action relation to control driven lid and active lid; to reach the purpose of closure or openness; then can avoid the improper contact camera lens of user, and then improve len and avoid its scratch.

Summary of the invention

The purpose of this invention is to provide a kind of video heads dirt-proof protector, this device is laid in before the video heads, blocks the dust dirt video heads is protected.

Goal of the invention of the present invention realizes by following technical measures: body upper and bottom are installed roller and lower roll respectively, there is the symphysis of screening to connect between top roll and the lower roll, the screening film is transparent, the body middle part is fluted, screening film between corresponding top roll of this groove hollow out perforate and the lower roll, motor is installed on the body, and top roll or lower roll are connected with motor.

The invention has the beneficial effects as follows: adopt the driven by motor running roller to tighten and move out contaminated screening film; expose part clearly; the sharpness of protection observation picture; help observing undistorted, realize protection camera, reasonable in design; compact conformation; loading and unloading are easy to operate easily, are easy to realize automatic control.Both prevented that camera lens from polluting, and do not influence the function and the effect of original camera lens.

Description of drawings

Fig. 1 is the embodiment 1 structural level scheme of installation among the present invention

Fig. 2 is the embodiment 2 structural level scheme of installations among the present invention

Reference numeral: body 1, top roll 2, last expansion tightening wheel pair 3 hides film 4, casing 5, video heads 6, following tensioner wheel set 7, lower roll 8, motor 9, cleaning brush 10, scraper plate 11.

Embodiment

Body 1 upper and lower is installed top roll 2 and lower roll 8 respectively, has the film of screening 4 to connect between top roll 2 and the lower roll 8, and screening film 4 is transparent, body 1 middle part is fluted, screening film 4 between corresponding top roll 2 of this groove hollow out perforate and the lower roll 8 is installed motor 9 on the body 1, top roll 2 or lower roll 8 are connected with motor 9.

Body 1 central slot matches with the teat of video heads 6, and clamping is installed in outside the video heads 6.

Further specify below in conjunction with drawings and Examples:

Embodiment 1: top roll 2 or lower roll 8 are that volume has the film 4 of screening on the damping wheel.

Under motor 9 drives, hide on film 4 from top roll 2 or lower roll 8, volume is to another, after roll up, work on need hide film 4 removing surfaces clean after the opposite direction rollback.

Install tensioner wheel set 3 before the top roll 2, tensioner wheel set 7 down is installed before the lower roll 8.

Body 1 is by casing 5 parcels.

Last expansion tightening wheel secondary 3 or following tensioner wheel set 7 are made of a pair roller.

Hiding film 4 is the scratch resistant PET diaphragm of high printing opacity.

Motor 9 is a micro-step motor.

Top roll 2 or lower roll 8 are connected with motor 9 by reduction gearing.

The present invention in use; body 1 is installed on the video recording geometry; be about to the corresponding video heads of body 1 and casing 5 inner groovies 6 concavo-convex clamp fixing; this moment, video heads 6 was in the protective device inner groovy; its camera lens can be by hiding film 4 to External Observation; if the greasy dirt that site environment produces; when steam etc. have polluted the part screening film 4 of influence observation; at this moment can control motor 9 work; allow one of top roll 2 or lower roll 8 rotate slowly by the reduction gearing rotation; contaminated screening film 4 local volumes are crossed the form of video heads 6 and exposed cleaning part; when the sharpness that hides film 4 when the part of just in time aiming at video heads 6 reaches observation and requires; stop motor 9 work; can remain the thin correspondence of part screening film 4PET that just in time to aim at video heads 6 like this and be in clean state, guarantee the sharpness of video heads 6 images.

Can hide the consumption of film 4 according to the field condition adjustment, when motor 9 work, top roll 2 stressed being rotated counterclockwise, owing on 2 of top rolls, damping spring has been installed, top roll 2 will lag behind lower roll 8 in rotation, remained the rate of tension that hides film 4 between top roll 2 and the lower roll 8 like this, helped observing undistorted.

The effect of last expansion tightening wheel secondary 3 and following tensioner wheel set 7 is the flatness that guarantee to hide film 4.

According to field condition, motor 9 adopts explosion-proof micro-step motor.

According to field condition, wired or wireless control dual mode is adopted in the control of motor 9, as employing line traffic control is arranged, and its control line and video monitoring line are together drawn.

Embodiment 2: hide film 4 end to end top roll 2 and the lower rolls 8 of reeling, cleaning brush 10 and scraper plate 11 are installed on body 1.

The outside hides film 4 and moves from the top down, and cleaning brush 10 and scraper plate 11 are installed on the body 1 of following tensioner wheel set 7 front portions.Now remove and hide film 4 outer surface dirts, will hide film 4 outer surface scraped clean by scraper plate 11 then, and then lick lower roll 8, move in circles by wetting cleaning brush 10.

The present invention in use,

It is contaminated to the invention solves pick-up lens, and it is image blurring unclear that institute is taken the photograph, camera lens maintenance inconvenience, and in rugged surroundings, realize picture control difficult technologies problem.Adopt the driven by motor running roller to tighten and move out contaminated screening film, expose part clearly, the sharpness of protection observation picture helps observing undistorted, and compact conformation is easy to operate, is easy to realize automatic control.

Claims

1. video heads dirt-proof protector; it is characterized in that: body (1) upper and lower is installed top roll (2) and lower roll (8) respectively; there is screening film (4) to connect between top roll (2) and the lower roll (8); it is transparent to hide film (4); body (1) middle part is fluted; screening film (4) between corresponding top roll (2) of this groove hollow out perforate and the lower roll (8), body (1) is gone up motor (9) is installed, and top roll (2) or lower roll (8) are connected with motor (9).

2. video heads dirt-proof protector as claimed in claim 1 is characterized in that, the preceding tensioner wheel set (3) of installing of top roll (2), tensioner wheel set (7) under the preceding installation of lower roll (8).

3. video heads dirt-proof protector as claimed in claim 1 is characterized in that, top roll (2) or lower roll (8) are connected with motor (9) by reduction gearing.

4. video heads dirt-proof protector as claimed in claim 1 is characterized in that, top roll (2) or lower roll (8) are that volume has screening film (4) on the damping wheel.

5. video heads dirt-proof protector as claimed in claim 1 is characterized in that, hides film (4) end to end top rolls of reeling (2) and lower roll (8), goes up at body (1) cleaning brush (10) and scraper plate (11) are installed.