CN105068366A - Projector type automatic dustproof system - Google Patents
Projector type automatic dustproof system Download PDFInfo
- Publication number
- CN105068366A CN105068366A CN201510550430.5A CN201510550430A CN105068366A CN 105068366 A CN105068366 A CN 105068366A CN 201510550430 A CN201510550430 A CN 201510550430A CN 105068366 A CN105068366 A CN 105068366A
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- CN
- China
- Prior art keywords
- projector
- air outlet
- guide rail
- lens cap
- baffle plate
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Abstract
The invention discloses a projector type automatic dustproof system. The system comprises a projector front cover, a lens cover and a stepper motor. The inner side of the projector front cover is equipped with a lens hole in a position relative to a projector upper lens. Parallel guide rails opposite to each other are disposed on two sides of the lens hole. The lens cover includes a plate body. The plate body is provided with parallel end edges. The plate body is connected to the guide rails through the end edges. The end edge of one side of the plate body is equipped with a tooth structure that protrudes from the plate body. The tooth structure is connected with the stepper motor. The lens cover and an air outlet baffle plate are driven through the miniature stepper motor and transmission of a rack and pinion, therefore, when a machine is working, the lens cover and an air outlet channel are opened automatically, and when the machine is shut down, the lens cover and an air outlet channel are closed automatically. In this way, the machine can be enclosed and have a dustproof function, the service life of the machine can be prolonged, and the maintenance cost of the machine can be reduced.
Description
Technical field
The present invention relates to projector's self-action dust prevention system.
Background technology
At present, projector is in education sector, and the application of the aspect such as business situations and individual family expenses is increasingly extensive.In various environment for use, the place that particularly dust dust storm is larger, the camera lens surface of machine and vent aperture have dust, small worm, even the entering and pile up of the foreign matter such as water droplet, this can pollute camera lens and projector's internal optical component and circuit board, and the time has been grown and can have a strong impact on picture quality, or causes damage to circuit board and cooling system.
It is dust-proof that the hole at general air intake place of projector can arrange filter screen; but must be all unlimited when camera lens and the work of wind outlet hole; having no idea, similar protection filter screen is set dust-proof, the projector that furred ceiling uses, be also difficult to cover lens cap and drop cloth at any time.
Summary of the invention
The object of the invention is to for above-mentioned defect; for improving the dustproof and waterproof performance of projector; ensure the serviceable life of picture quality and increase machine; reduce maintenance cost; the invention provides a kind of lens cap and the air outlet baffle arrangement that use micro stepping motor and gear drive, automatically can control lens cap and the air outlet baffle plate of projector, make to open during its work; close during shutdown, play airtight protection and dust-proof effect.
The technical solution adopted for the present invention to solve the technical problems is: projector's self-action dust prevention system, comprise projector's protecgulum, lens cap, step motor, inside described projector protecgulum, a camera aperture is offered relative to the position of camera lens in projector, parallel and relative guide rail is provided with in the both sides of described camera aperture, described lens cap comprises a plate body, this plate body is provided with parallel end limit, described plate body accesses described guide rail by its end limit, end limit along the wherein side of described plate body is provided with the insection structure being raised in described plate body, described insection structure connects described step motor.
Position limiting structure is provided with at the tail end of described guide rail.
Described plate body is provided with push rod away from the afterbody of one end of described insection structure.
Guide rail inside described projector protecgulum, away from described camera aperture is provided with tooth bar, spring, position detecting element; The bottom surface that described tooth bar is positioned at guide rail is fixedly connected with the bottom surface of guide rail, and described tooth bar contacts with described push rod and connects, and described spring is positioned at the end face of guide rail; One end of described spring connects on the end face of described guide rail, and its other end is connected on described push rod.
Air outlet baffle plate is also provided with inside described projector protecgulum, described air outlet baffle plate comprises a rectangular panel body, limited block is provided with in the bottom of rectangular panel body, extend to form the strip body of rod to two ends bottom rectangular panel body, described air outlet baffle plate is realized and the connection of described guide rail and transmission folding with engaging of described tooth bar by the described strip body of rod.
The described strip body of rod is provided with gear structure, described gear structure engages with described tooth bar, described tooth bar is by micro-step motor transmission and drive lens cap and air outlet baffle plate, makes lens cap and air outlet baffle plate realize opening and closing automatically, reaches the effect of dust seal.
Also position detecting element is provided with in the side of described lens cap position.
Described tooth bar is two groups, two groups of tooth bars lay respectively at be arranged on described camera aperture both sides guide rail on, air outlet baffle plate and lens cap do coordinated signals by described step motor, described insection structure and described tooth bar, realize a described step motor and drive described air outlet baffle plate and lens cap simultaneously.
Described step motor is two groups, and step motor described in two groups drives described air outlet baffle plate and lens cap respectively.
During projector's start, micro stepping motor work strip index glass skull is opened, and is pushed up in place simultaneously touch tooth bar by the push rod of lens cap, drives air outlet flapper, opens air-out passage, realize normal air-exhausting function.During projector's shutdown, the rear motor driving lens cap that dispelled the heat is closed, and tooth bar resets under the action of the spring, drives air outlet flapper simultaneously, closes air outlet passage, realizes airtight protection and dust-proof effect.
Structure configures the position detecting element of lens cap and air outlet baffle plate simultaneously, guarantees that lens cap and baffle plate are under correct position, allow machine normally work.
On projector's protecgulum, by position limiting structure by lens cap qualifying bit, micro stepping motor drives lens cap by gears meshing, and tooth bar engagement drives the folding of air outlet flapper, spring makes tooth bar reset, and position detecting element realizes the location confirmation of lens cap and tooth bar.
Beneficial effect: the present invention drives lens cap and air outlet baffle plate by micro stepping motor and rack pinion, when realizing machine operation, lens cap and air-out passage are opened automatically, after machine switched off, lens cap and air-out passage are closed automatically, thus ensure the airtight and dust-proof of machine, reach the target extending machine physical life and reduce maintenance cost.Machine possesses the position detecting function of folding part simultaneously, achieves the location confirmation of lens cap and air outlet hole, the normal work of coherent system.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is structural representation two of the present invention.
Embodiment
Shown in composition graphs 1,2, projector's self-action dust prevention system, comprise projector's protecgulum 1, lens cap 2, step motor 3, a camera aperture 4 is offered inside described projector protecgulum, relative to the position of camera lens in projector, parallel and relative guide rail 5 is provided with in the both sides of described camera aperture, described lens cap comprises a plate body, this plate body is provided with parallel end limit, described plate body accesses described guide rail by its end limit, end limit along the wherein side of described plate body is provided with the insection structure 6 being raised in described plate body, and described insection structure connects described step motor.
Position limiting structure 7 is provided with at the tail end of described guide rail.
Described plate body is provided with push rod 8 away from the afterbody of one end of described insection structure.
Guide rail inside described projector protecgulum, away from described camera aperture is provided with tooth bar 9, spring 10, position detecting element 11; The bottom surface that described tooth bar is positioned at guide rail is fixedly connected with the bottom surface of guide rail, and described tooth bar contacts with described push rod and connects, and described spring is positioned at the end face of guide rail; One end of described spring connects on the end face of described guide rail, and its other end is connected on described push rod.
Air outlet baffle plate 12 is also provided with inside described projector protecgulum, described air outlet baffle plate comprises a rectangular panel body, limited block 13 is provided with in the bottom of rectangular panel body, extend to form the strip body of rod 14 to two ends bottom rectangular panel body, described air outlet baffle plate is realized and the connection of described guide rail and transmission folding with engaging of described tooth bar by the described strip body of rod.
The described strip body of rod is provided with gear structure, described gear structure engages with described tooth bar, described tooth bar is by micro-step motor transmission and drive lens cap and air outlet baffle plate, makes lens cap and air outlet baffle plate realize opening and closing automatically, reaches the effect of dust seal.
Also position detecting element is provided with in the side of described lens cap position.
Described tooth bar is two groups, two groups of tooth bars lay respectively at be arranged on described camera aperture both sides guide rail on, air outlet baffle plate and lens cap do coordinated signals by described step motor, described insection structure and described tooth bar, realize a described step motor and drive described air outlet baffle plate and lens cap simultaneously.
Described step motor is two groups, and step motor described in two groups drives described air outlet baffle plate and lens cap respectively.
In such scheme, the position of described air outlet baffle plate and described lens cap has position detecting element to do to confirm, position less than state under can continue driving and put in place or alarm.At this moment will be facilitated by a warning device, this warning device is positioned at projector, and this warning device is by a connection position detecting element.
In projector, protecgulum camera lens tapping designs a lens cap, and protecgulum air outlet place arranges multiple rotating baffle plate, is realized the opening and closing of lens cap by a micro-step motor and gear drive.
During projector's start, micro stepping motor work strip index glass skull is opened, and is pushed up in place simultaneously touch tooth bar by the push rod of lens cap, drives air outlet flapper, opens air-out passage, realize normal air-exhausting function.During projector's shutdown, the rear motor driving lens cap that dispelled the heat is closed, and tooth bar resets under the action of the spring, drives air outlet flapper simultaneously, closes air outlet passage, realizes airtight protection and dust-proof effect.
Structure configures the position detecting element of lens cap and air outlet baffle plate simultaneously, guarantees that lens cap and baffle plate are under correct position, allow machine normally work.
On projector's protecgulum, by position limiting structure by lens cap qualifying bit, micro stepping motor drives lens cap by gears meshing, and tooth bar engagement drives the folding of air outlet flapper, spring makes tooth bar reset, and position detecting element realizes the location confirmation of lens cap and tooth bar.
In projector, protecgulum camera lens tapping designs a lens cap, and protecgulum air outlet place arranges multiple rotating baffle plate, is realized the opening and closing of lens cap by a micro-step motor and gear drive.During projector's start, micro stepping motor work strip index glass skull is opened, and is pushed up in place simultaneously touch tooth bar by the push rod of lens cap, drives air outlet flapper, opens air-out passage, realize normal air-exhausting function.During projector's shutdown, the rear motor driving lens cap that dispelled the heat is closed, and tooth bar resets under the action of the spring, drives air outlet flapper simultaneously, closes air outlet passage, realizes airtight protection and dust-proof effect.Structure configures the position detecting element of lens cap and air outlet baffle plate simultaneously, guarantees that lens cap and baffle plate are under correct position, allow machine normally work.
On the basis of such scheme, in projector, protecgulum camera lens tapping designs a lens cap, and protecgulum air outlet place arranges multiple rotating baffle plate, also can be realized the opening and closing of lens cap by two micro-step motors and gear drive.
On the basis of such scheme, when step motor is two groups, namely two motors drive lens cap and air outlet baffle plate respectively, and now lens cap and air outlet baffle plate do not need interlock.
Present invention achieves the automatic open-close of projector lens perforate and air outlet perforate, making projector shut down rear lens hole and air outlet can automatic airtight, achieves the protection of camera lens and the object reaching the anti-foreign matter of machine dustproof and waterproof.Projector start time, more automatically open ensure machine normally work.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (9)
1. projector's self-action dust prevention system, it is characterized in that, comprise projector's protecgulum, lens cap, step motor, a camera aperture is offered inside described projector protecgulum, relative to the position of camera lens in projector, parallel and relative guide rail is provided with in the both sides of described camera aperture, described lens cap comprises a plate body, this plate body is provided with parallel end limit, described plate body accesses described guide rail by its end limit, end limit along the wherein side of described plate body is provided with the insection structure being raised in described plate body, and described insection structure connects described step motor.
2. projector according to claim 1 self-action dust prevention system, is characterized in that, be provided with position limiting structure at the tail end of described guide rail.
3. projector according to claim 1 self-action dust prevention system, is characterized in that, described plate body is provided with push rod away from the afterbody of one end of described insection structure.
4. projector according to claim 3 self-action dust prevention system, is characterized in that, the guide rail inside described projector protecgulum, away from described camera aperture is provided with tooth bar, spring, position detecting element; The bottom surface that described tooth bar is positioned at guide rail is fixedly connected with the bottom surface of guide rail, and described tooth bar contacts with described push rod and connects, and described spring is positioned at the end face of guide rail; One end of described spring connects on the end face of described guide rail, and its other end is connected on described push rod.
5. projector according to claim 4 self-action dust prevention system, it is characterized in that, air outlet baffle plate is also provided with inside described projector protecgulum, described air outlet baffle plate comprises a rectangular panel body, limited block is provided with in the bottom of rectangular panel body, extend to form the strip body of rod to two ends bottom rectangular panel body, described air outlet baffle plate is realized and the connection of described guide rail and transmission folding with engaging of described tooth bar by the described strip body of rod.
6. projector according to claim 5 self-action dust prevention system, it is characterized in that, the described strip body of rod is provided with gear structure, described gear structure engages with described tooth bar, described tooth bar is by micro-step motor transmission and drive lens cap and air outlet baffle plate, make lens cap and air outlet baffle plate realize opening and closing automatically, reach the effect of dust seal.
7. projector according to claim 1 self-action dust prevention system, is characterized in that, is also provided with position detecting element in the side of described lens cap position.
8. projector according to claim 5 self-action dust prevention system, it is characterized in that, described tooth bar is two groups, two groups of tooth bars lay respectively at be arranged on described camera aperture both sides guide rail on, air outlet baffle plate and lens cap do coordinated signals by described step motor, described insection structure and described tooth bar, realize a described step motor and drive described air outlet baffle plate and lens cap simultaneously.
9. projector according to claim 5 self-action dust prevention system, is characterized in that, described step motor is two groups, and step motor described in two groups drives described 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 true CN105068366A (en) | 2015-11-18 |
| CN105068366B CN105068366B (en) | 2017-03-15 |
Family
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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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979930A (en) * | 2017-12-13 | 2018-05-01 | 广东欧珀移动通信有限公司 | 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 |
| CN110955100A (en) * | 2019-12-13 | 2020-04-03 | 义乌程祺电子商务有限公司 | Projector heat dissipation and dust prevention device beneficial to centrifugal force principle |
Citations (6)
| 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 |
| JP2008203595A (en) * | 2007-02-21 | 2008-09-04 | Seiko Epson Corp | Projector |
| JP2010113132A (en) * | 2008-11-06 | 2010-05-20 | Sharp Corp | Projector |
| JP2010271346A (en) * | 2009-05-19 | 2010-12-02 | Seiko Epson Corp | Projector |
| 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 |
-
2015
- 2015-09-01 CN CN201510550430.5A patent/CN105068366B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| JP2008203595A (en) * | 2007-02-21 | 2008-09-04 | Seiko Epson Corp | Projector |
| JP2010113132A (en) * | 2008-11-06 | 2010-05-20 | Sharp Corp | Projector |
| JP2010271346A (en) * | 2009-05-19 | 2010-12-02 | Seiko Epson Corp | Projector |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979930A (en) * | 2017-12-13 | 2018-05-01 | 广东欧珀移动通信有限公司 | Electronic device |
| 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 |
| CN110955100A (en) * | 2019-12-13 | 2020-04-03 | 义乌程祺电子商务有限公司 | Projector heat dissipation and dust prevention device beneficial to centrifugal force principle |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105068366B (en) | 2017-03-15 |
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| Date | Code | Title | Description |
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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 |