CN105068366B - Scialyscope self-action dust prevention system - Google Patents
Scialyscope self-action dust prevention system Download PDFInfo
- Publication number
- CN105068366B CN105068366B CN201510550430.5A CN201510550430A CN105068366B CN 105068366 B CN105068366 B CN 105068366B CN 201510550430 A CN201510550430 A CN 201510550430A CN 105068366 B CN105068366 B CN 105068366B
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- CN
- China
- Prior art keywords
- lens cap
- scialyscope
- air outlet
- guide rail
- tooth bar
- 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.)
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Abstract
The invention discloses scialyscope self-action dust prevention system, including scialyscope protecgulum, lens cap, stepper motor, a camera aperture is opened up on the inside of the scialyscope protecgulum, relative to the position of camera lens on scialyscope, parallel and relative guide rail is provided with the both sides of the camera aperture, the lens cap includes a plate body, the plate body is provided with parallel end edge, the plate body accesses the guide rail by its end edge, end edge along the wherein side of the plate body is provided with the insection structure for being raised in the plate body, and the insection structure connects the stepper motor.By micro stepping motor and rack pinion come driving lens cap and air outlet baffle plate, when realizing machine operation, lens cap and air-out passage are automatically opened up, after machine switched off, lens cap and air-out passage are automatically switched off, so as to ensure the closed and dust-proof of machine, the target for extending machine physical life and reducing maintenance cost is reached.
Description
Technical field
The present invention relates to scialyscope self-action dust prevention system.
Background technology
At present, in education sector, the application of the aspect such as business situations and personal domestic is increasingly extensive for scialyscope.Make various
With in environment, than where larger, the camera lens surface of machine and vent aperture have a dust to particularly dust dust storm, small worm, very
To the entrance and accumulation of the foreign bodies such as water droplet, this can pollute camera lens and scialyscope internal optical component and circuit board, the meeting of time length
Picture quality is had a strong impact on, or is caused to damage to circuit board and cooling system.
It is dust-proof that hole at general scialyscope air intake can arrange filter screen, but camera lens and wind outlet hole when working all
Must be unlimited, the similar protection filter screen of setting of having no idea is dust-proof, the scialyscope that furred ceiling is used, it is also difficult to cover at any time
Lens cap and drop cloth.
Content of the invention
Present invention aims to drawbacks described above, is the dustproof and waterproof performance for improving scialyscope, it is ensured that picture quality
With the service life for increasing machine, reduce maintenance cost, the invention provides a kind of driven using micro stepping motor and gear
Lens cap and air outlet baffle arrangement, the lens cap and air outlet baffle plate of scialyscope can be automatically controlled so as to beat when working
Open, close during shutdown, play closed protection and dust-proof effect.
The technical solution adopted for the present invention to solve the technical problems is：Scialyscope self-action dust prevention system, including projection
Machine protecgulum, lens cap, stepper motor, open up a mirror on the inside of the scialyscope protecgulum, relative to the position of camera lens on scialyscope
Head bore, is provided with parallel and relative guide rail in the both sides of the camera aperture, and the lens cap includes a plate body, and the plate body is provided with
Parallel end edge, the plate body access the guide rail by its end edge, and the end edge along the wherein side of the plate body is provided with projection
In the insection structure of the plate body, the insection structure connects the stepper motor.
Position limiting structure is provided with the tail end of the guide rail.
Push rod is provided with afterbody on the plate body away from one end of the insection structure.
Tooth bar, spring, position detecting unit is provided with the inside of the scialyscope protecgulum, on the guide rail away from the camera aperture
Part；The tooth bar is located on the bottom surface of guide rail and is fixedly connected with the bottom surface of guide rail, and the tooth bar is connected with push rod contact,
The spring is located at the top surface of guide rail；One end of the spring connects on the top surface of the guide rail, and its other end is connected to described
On push rod.
Air outlet baffle plate is additionally provided with the inside of the scialyscope protecgulum, and the air outlet baffle plate includes a rectangular panel body,
The bottom of rectangular panel body is provided with limited block, and rectangular panel body bottom extends to form the strip body of rod to two ends, and the air outlet baffle plate leads to
Cross the strip body of rod and the tooth bar to engage to realize connection and transmission folding with the guide rail.
The strip body of rod is provided with gear structure, and the gear structure is engaged with the tooth bar, and the tooth bar is by micro-
Type motor is driven and drives lens cap and air outlet baffle plate, makes lens cap and air outlet baffle plate realize automatically opening and closing
Close, reach the effect of dust seal.
Position detecting element also is provided with the side of the lens cap position.
The tooth bar is two groups, and two groups of teeth bar is located at respectively and is arranged on the guide rail of the camera aperture both sides, and air outlet keeps off
Plate and lens cap do coordinated signals by the stepper motor, the insection structure and the tooth bar, realize a step
Enter motor and simultaneously drive the air outlet baffle plate and lens cap.
The stepper motor is two groups, and stepper motor described in two groups drives the air outlet baffle plate and lens cap respectively.
When scialyscope is started shooting, micro stepping motor work drives lens cap to open, while being closed by the push rod of lens cap
Tooth bar is touched on suitable position top, is driven air outlet flapper, is opened air-out passage, realize normal air-exhausting function.Scialyscope shuts down
When, after the completion of radiating, motor drives lens cap to cut out, and tooth bar resets under the action of the spring, while driving air outlet baffle plate to turn
Dynamic, air outlet passage is closed, closed protection and dust-proof effect is realized.
Structure configures the position detecting element of lens cap and air outlet baffle plate simultaneously, it is ensured that lens cap and baffle plate are correct
Under position, machine normal work is allowed.
On scialyscope protecgulum, lens cap is limited by position by position limiting structure, micro stepping motor by gear engage come
Lens cap, tooth bar engagement is driven to drive air outlet flapper folding, spring to realize mirror making tooth bar resets, position detecting element
Skull and the location confirmation of tooth bar.
Beneficial effect：The present invention is by micro stepping motor and rack pinion come driving lens cap and air outlet gear
Plate, when realizing machine operation, lens cap and air-out passage are automatically opened up, and after machine switched off, lens cap and air-out passage are closed automatically
Close, so as to ensure the closed and dust-proof of machine, reach the target for extending machine physical life and reducing maintenance cost.While machine
Possess the position detecting function of folding part, it is achieved that the location confirmation of lens cap and air outlet hole, coordinate the normal work of system
Make.
Description of the drawings
Fig. 1 is one of structural representation of the present invention；
Fig. 2 is the two of the structural representation of the present invention.
Specific embodiment
In conjunction with shown in Fig. 1,2, scialyscope self-action dust prevention system, including scialyscope protecgulum 1, lens cap 2, stepper motor 3,
A camera aperture 4 is opened up on the inside of the scialyscope protecgulum, relative to the position of camera lens on scialyscope, in the both sides of the camera aperture
Parallel and relative guide rail 5 is provided with, the lens cap includes a plate body, the plate body is provided with parallel end edge, the plate body leads to
Cross its end edge and access the guide rail, the end edge along the wherein side of the plate body is provided with the insection structure 6 for being raised in the plate body,
The insection structure connects the stepper motor.
Position limiting structure 7 is provided with the tail end of the guide rail.
Push rod 8 is provided with afterbody on the plate body away from one end of the insection structure.
Tooth bar 9, spring 10, position detecting is provided with the inside of the scialyscope protecgulum, on the guide rail away from the camera aperture
Element 11；The tooth bar is located on the bottom surface of guide rail and is fixedly connected with the bottom surface of guide rail, and the tooth bar is contacted with the push rod
Connection, the spring are located at the top surface of guide rail；One end of the spring connects on the top surface of the guide rail, and its other end is connected to
On the push rod.
Air outlet baffle plate 12 is additionally provided with the inside of the scialyscope protecgulum, and the air outlet baffle plate includes a rectangular panel body,
Limited block 13 is provided with the bottom of rectangular panel body, rectangular panel body bottom extends to form the strip body of rod 14 to two ends, the air outlet
Baffle plate engaging realizing connection and transmission folding with the guide rail by the strip body of rod and the tooth bar.
The strip body of rod is provided with gear structure, and the gear structure is engaged with the tooth bar, and the tooth bar is by micro-
Type motor is driven and drives lens cap and air outlet baffle plate, makes lens cap and air outlet baffle plate realize automatically opening and closing
Close, reach the effect of dust seal.
Position detecting element also is provided with the side of the lens cap position.
The tooth bar is two groups, and two groups of teeth bar is located at respectively and is arranged on the guide rail of the camera aperture both sides, and air outlet keeps off
Plate and lens cap do coordinated signals by the stepper motor, the insection structure and the tooth bar, realize a step
Enter motor and simultaneously drive the air outlet baffle plate and lens cap.
The stepper motor is two groups, and stepper motor described in two groups drives the air outlet baffle plate and lens cap respectively.
In such scheme, the position of the air outlet baffle plate and the lens cap has position detecting element to do to confirm, position
Put.At this moment will be facilitated by an alarm device, the report
Alarm device is located in scialyscope, and the alarm device passes through a connection position detecting element.
A lens cap is designed in scialyscope protecgulum camera lens tapping, protecgulum air outlet arranges multiple rotatable gears
Plate, the opening and closing that lens cap is realized by a micro-step motor and gear drive.
When scialyscope is started shooting, micro stepping motor work drives lens cap to open, while being closed by the push rod of lens cap
Tooth bar is touched on suitable position top, is driven air outlet flapper, is opened air-out passage, realize normal air-exhausting function.Scialyscope shuts down
When, after the completion of radiating, motor drives lens cap to cut out, and tooth bar resets under the action of the spring, while driving air outlet baffle plate to turn
Dynamic, air outlet passage is closed, closed protection and dust-proof effect is realized.
Structure configures the position detecting element of lens cap and air outlet baffle plate simultaneously, it is ensured that lens cap and baffle plate are correct
Under position, machine normal work is allowed.
On scialyscope protecgulum, lens cap is limited by position by position limiting structure, micro stepping motor by gear engage come
Lens cap, tooth bar engagement is driven to drive air outlet flapper folding, spring to realize mirror making tooth bar resets, position detecting element
Skull and the location confirmation of tooth bar.
A lens cap is designed in scialyscope protecgulum camera lens tapping, protecgulum air outlet arranges multiple rotatable gears
Plate, the opening and closing that lens cap is realized by a micro-step motor and gear drive.When scialyscope is started shooting, miniature stepping
Motor operations drive lens cap to open, while pushed up by the push rod of lens cap in place touching tooth bar, drive air outlet gear
Plate is rotated, and is opened air-out passage, is realized normal air-exhausting function.When scialyscope shuts down, after the completion of radiating, motor drives lens cap to close
Close, tooth bar resets under the action of the spring, while driving air outlet flapper, close air outlet passage, realize closed protection
With dust-proof effect.Structure configures the position detecting element of lens cap and air outlet baffle plate simultaneously, it is ensured that lens cap and baffle plate exist
Under correct position, machine normal work is allowed.
On the basis of such scheme, a lens cap, protecgulum air outlet is designed in scialyscope protecgulum camera lens tapping
Multiple rotatable baffle plates are set, it is also possible to beat on an off by what two micro-step motors and gear drive realized lens cap
Close.
On the basis of such scheme, when stepper motor is two groups, i.e., two motors drive lens cap and air outlet respectively
Baffle plate, now lens cap and air outlet baffle plate are not required to link.
Present invention achieves the automatic open-close of projector lens perforate and air outlet perforate, makes scialyscope shutdown rear lens hole
With air outlet can automatic airtight get up, it is achieved that to the protection of camera lens and reach the purpose of the anti-foreign body of machine dustproof and waterproof.Throw
When shadow machine is started shooting, then automatically open up guarantee machine normal work.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various change and modification can be carried out entirely in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (3)
1. scialyscope self-action dust prevention system, it is characterised in that including scialyscope protecgulum, lens cap, stepper motor, in the throwing
A camera aperture is opened up on the inside of shadow machine protecgulum, relative to the position of camera lens on scialyscope, is provided with the both sides of the camera aperture parallel
And relative guide rail, the lens cap includes a plate body, and the plate body is provided with parallel end edge, and the plate body is connect by its end edge
Enter the guide rail, the end edge along the wherein side of the plate body is provided with the insection structure for being raised in the plate body, the groove knot
Structure connects the stepper motor；Push rod is provided with afterbody on the plate body away from one end of the insection structure；Described
Tooth bar, spring, position detecting element are provided with the inside of scialyscope protecgulum, away from the guide rail of the camera aperture；The tooth bar is located at
It is fixedly connected on the bottom surface of guide rail and with the bottom surface of guide rail, the tooth bar is connected with push rod contact, and the spring is located at and leads
The top surface of rail；One end of the spring connects on the top surface of the guide rail, and its other end is connected on the push rod；In the throwing
Air outlet baffle plate is additionally provided with the inside of shadow machine protecgulum, and the air outlet baffle plate includes a rectangular panel body, sets in the bottom of rectangular panel body
Limited location block, rectangular panel body bottom extend to form the strip body of rod to two ends, the air outlet baffle plate by the strip body of rod with
The engagement of the tooth bar is realizing connection with the guide rail and transmission folding；The strip body of rod is provided with gear structure, institute
State gear structure to engage with the tooth bar, the tooth bar is driven and drives lens cap and air outlet gear by micro-step motor
Plate, makes lens cap and air outlet baffle plate realize automatically opening and closing, reaches the effect of dust seal；In the lens cap institute
Position detecting element also is provided with the side of position；The tooth bar is two groups, and two groups of teeth bar is located at respectively and is arranged on the camera lens
On the guide rail of hole both sides, air outlet baffle plate and lens cap are done by the stepper motor, the insection structure and the tooth bar
Coordinated signals, realize that a stepper motor simultaneously drives the air outlet baffle plate and lens cap.
2. scialyscope self-action dust prevention system according to claim 1, it is characterised in that be provided with the tail end of the guide rail
Position limiting structure.
3. scialyscope self-action dust prevention system according to claim 1, it is characterised in that the stepper motor is two groups,
Stepper motor described in two groups drives the air outlet baffle plate and lens cap respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550430.5A CN105068366B (en) | 2015-09-01 | 2015-09-01 | Scialyscope self-action dust prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550430.5A CN105068366B (en) | 2015-09-01 | 2015-09-01 | Scialyscope self-action dust prevention system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105068366A CN105068366A (en) | 2015-11-18 |
| CN105068366B true CN105068366B (en) | 2017-03-15 |
Family
ID=54497766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510550430.5A Expired - Fee Related CN105068366B (en) | 2015-09-01 | 2015-09-01 | Scialyscope self-action dust prevention system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105068366B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979930B (en) * | 2017-12-13 | 2023-07-18 | 深圳市欢太科技有限公司 | Electronic device |
| CN108255003A (en) * | 2017-12-29 | 2018-07-06 | 佛山杰致信息科技有限公司 | A kind of junior middle school's teaching equipment maintained easily |
| CN108267921A (en) * | 2018-01-22 | 2018-07-10 | 苏州戎维邦信息技术有限公司 | Can remote control projector lens block/open control box |
| CN110955100B (en) * | 2019-12-13 | 2022-01-28 | 深圳市杰奇科技创新有限公司 | Projector heat dissipation and dust prevention device beneficial to centrifugal force principle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432862A (en) * | 2002-01-14 | 2003-07-30 | 明基电通股份有限公司 | Lens cap assembly |
| CN102608849A (en) * | 2012-03-23 | 2012-07-25 | 深圳雅图数字视频技术有限公司 | Projector lens protection device and projector |
| CN103207505A (en) * | 2013-03-26 | 2013-07-17 | 苏州佳世达光电有限公司 | Projector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008203595A (en) * | 2007-02-21 | 2008-09-04 | Seiko Epson Corp | Projector |
| JP5342212B2 (en) * | 2008-11-06 | 2013-11-13 | シャープ株式会社 | projector |
| JP2010271346A (en) * | 2009-05-19 | 2010-12-02 | Seiko Epson Corp | Projector |
-
2015
- 2015-09-01 CN CN201510550430.5A patent/CN105068366B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432862A (en) * | 2002-01-14 | 2003-07-30 | 明基电通股份有限公司 | Lens cap assembly |
| CN102608849A (en) * | 2012-03-23 | 2012-07-25 | 深圳雅图数字视频技术有限公司 | Projector lens protection device and projector |
| CN103207505A (en) * | 2013-03-26 | 2013-07-17 | 苏州佳世达光电有限公司 | Projector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105068366A (en) | 2015-11-18 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160607 Address after: 518000 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation area before Bay Street No. 1 Qianhai road at the Shenzhen Hong Kong Cooperation Area Management Bureau office building A Room 201 (Qianhai settled in Shenzhen City, Secretary of Commerce Co. Ltd.) Applicant after: SHENZHEN CHINA NATIONAL CINEMA PROJECTOR CO., LTD. Address before: 518000 17, Shahe new street, Nanshan District, Guangdong, Shenzhen Applicant before: Zeng Wei |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20200901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |