CN103207505B - Projector - Google Patents
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- CN103207505B CN103207505B CN201310100187.8A CN201310100187A CN103207505B CN 103207505 B CN103207505 B CN 103207505B CN 201310100187 A CN201310100187 A CN 201310100187A CN 103207505 B CN103207505 B CN 103207505B
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- blade
- lens cap
- projector
- housing
- lens
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Abstract
The invention provides a projector. The projector comprises a shell, a lens, a heat dissipation part, a lens cover and blades, wherein the shell is provided with a lens hole corresponding to the lens and an air outlet corresponding to the heat dissipation part; the lens cover is movably arranged on the shell to selectively cover the lens hole; the blades correspond to the air outlet, and the lens cover is linked with the blades, so that the blades are converted between a closed state and an opened state; when the lens cover is at first position, the lens hole is covered by the lens cover, and the blades are correspondingly in the closed state, so that the air outlet is covered by the blades; and when the lens cover is at a second position, the lens hole is communicated with the outside, and the blades are changed into the opened state along with the movement of the lens cover, so that the air outlet is communicated with the outside.
Description
Technical field
The invention relates to a kind of projector, especially a kind of projector with dust reduction capability.
Background technology
Along with the development of science and technology, the application of projector is more and more universal.Based on the image-forming principle of projector, projector operationally needs relatively clean environment, and dust is wanted seldom, not so will pollute ray machine, affect imaging effect, dust also can cause the temperature of internal electrical components to raise, causing trouble occurs, even causes parts to burn out.Existing projector comprises camera lens, light source, ray machine, in working order, all light source and ray machine all can produce heat, for these heats are discharged with the performance ensureing projector, projector is generally also provided with radiating part, the heat that projector produces can be discharged to the external world by this radiating part, to should radiating part, on the housing of projector, correspondence be provided with air outlet, by this air outlet, the heat that projector produces is discharged to the external world during radiating part work.
But, said structure also brings new problem, the existence of this air outlet, make projector in a non-operative state, the particle (dust etc.) suspended in extraneous air is easy to enter into from this air outlet the inside of projector, on the ray machine sticking to projector inside and light source, so not only have impact on the percent of pass of light, also reduce the radiating efficiency of optical mechanical element, fundamentally have impact on the effect of projector picture and the life-span of projector.
Therefore, be necessary to design a kind of novel projector, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of projector, it has good dust-proof effect, can prevent the particle in air from entering projector inside.
For reaching above-mentioned order, a kind of projector of the present invention, comprise housing, camera lens and radiating part, this housing is provided with the camera aperture corresponding to this camera lens and the air outlet corresponding to this radiating part, it is characterized in that, this projector also comprises: lens cap, is located on this housing movably, optionally to cover this camera aperture; Blade, correspondingly with this air outlet is arranged, and this lens cap and this blade link, and change between closure state and opening to make this blade; Wherein, when this lens cap is in primary importance, this camera aperture is covered by this lens cap, and this blade correspondence is in closure state, and this air outlet is covered by this blade; When this lens cap is in the second place, this camera aperture is connected with the external world, and this blade is changed to opening along with moving of this lens cap, and this air outlet is connected with the external world.
Preferably, this lens cap is slidably connected to this housing, and this blade and this lens cap are fixedly connected, and this blade produces equidirectional slip along with the slip of this lens cap.
Preferably, this lens cap is slidably connected to this housing, and the two ends of this blade and this housing are articulated, this projector comprises web member further, and this web member is shaft-like, has first end and the second end, this first end and this lens cap are hinged, and this second end and this blade are hinged; Wherein, when this lens cap moves from primary importance to the second place, this blade is subject to the effect of the thrust of this web member and rotates and be changed to opening from closure state, and the direction that the axis of drive-connecting shaft that is articulated of this blade and this housing and this lens cap slide is perpendicular.
Preferably, the quantity of this blade is multiple, and the plurality of blade is integrally connected by connecting link, and one end of the second end of this web member and this connecting link is hinged.
Preferably, the side of this each blade is provided with connecting portion, and this connecting link realizes the connection with this blade by this each connecting portion.
Preferably, this lens cap is articulated in this housing, and this blade pivot is connected to this housing, and the drive-connecting shaft of this lens cap parallels with the drive-connecting shaft of this blade; This projector comprises web member further, and this web member is shaft-like, has first end and the second end, and this first end and this lens cap are hinged, and this second end and this blade are hinged; Wherein, when this lens cap rotates from primary importance to the second place, this blade is subject to the effect of the thrust of this web member and rotates and be changed to opening from closure state.
Preferably, this housing is provided with chute, and on this lens cap, correspondence is provided with protuberance, realizes being slidably connected of this lens cap and this housing by coordinating of this protuberance and this chute.
Preferably, this lens cap is provided with operating portion further, and this lens cap is provided with operating portion further, and when wherein this operating portion is operated, this lens cap moves between this primary importance and this second place.
Compared with prior art, the blade that projector of the present invention has lens cap and links with this lens cap, this blade can be changed between opening and closure state along with the movement of this lens cap, optionally to cover air outlet, and this lens cap is when covering this camera lens, also when namely projector is in off working state, this blade is in closure state to cover this air outlet, prevent the particle in outside air from entering projector inside from air outlet, in addition, further, projector is in running order, this lens cap does not hide this camera lens, this blade links opening thereupon, the heat produced for projector is discharged, ensure that the radiating effect of projector.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the lens cap of a kind of projector of the present invention is in primary importance.
The connection diagram that Fig. 2 is the blade shown in Fig. 1 and lens cap.
Fig. 3 is the schematic diagram that lens cap in Fig. 1 is in the second place.
The connection diagram that Fig. 4 is the blade shown in Fig. 3 and lens cap.
Fig. 5 is the schematic diagram that the lens cap of projector in the another kind of embodiment of the present invention is in primary importance.
Fig. 6 is the schematic diagram that in Fig. 5, lens cap is in the second place.
Fig. 7 is the schematic diagram that the lens cap of projector in third embodiment of the invention is in primary importance.
Fig. 8 is the schematic diagram that in Fig. 7, lens cap is in the second place.
Embodiment
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
Shown in Fig. 4, a kind of projector of the present invention comprises housing 1, camera lens 2, radiating part 3, lens cap 4 and blade 5, and wherein camera lens 2 and radiating part 3 are arranged at the inside of housing 1, and this lens cap 4 and blade 5 are positioned at the outside of this housing 1.
This housing 1 is provided with the camera aperture 10 corresponding to this camera lens 2 and the air outlet 11 corresponding to this radiating part 3.Camera aperture 10 is provided for the light sent from camera lens 2 and passes through, and the heat that this air outlet 11 is provided for this radiating part transmission is discharged to the external world.
Lens cap 4, is located on this housing 1 actively, optionally to cover this camera aperture 10.In the present embodiment, this housing 1 is provided with chute (not shown in FIG.), this lens cap is to there being boss (not shown in FIG.), by coordinating of this boss and this chute, realize this lens cap 4 being slidably connected along this housing 1, when this lens cap 4 is along this slide, this camera aperture 10 can be realized and be optionally in shielding status or open state.If when needs projector works, this lens cap 4 of user-operable makes it to slide to make this camera aperture 10 expose completely, ensures that the light sent from camera lens 2 can incide projection screen by this camera aperture 10; If projector is finished the work and after closing, this lens cap 4 of user-operable makes it to slide into the place corresponding with this camera aperture 10, to make this camera aperture 10 crested, prevents the particle in outside air from entering in camera lens from camera aperture 10, plays dust-proof effect.In addition, operation for the convenience of the user, this lens cap 4 is also provided with operating portion 40.
Blade 5, correspondingly with this air outlet 11 to arrange, and the two ends of blade 5 and this housing 1 are articulated, and the axial direction of its drive-connecting shaft (not shown in FIG.) and the glide direction of this lens cap 4 perpendicular, further, this blade 5 is connected with this lens cap 4, changes between closure state and opening to make this blade 5.Wherein, when this blade 5 is in closure state, this air outlet 11 is covered by this blade 5, and the suspended particulate substance in outside air etc. are by the outside hindered in this air outlet 11; When this blade 5 is in opening, this air outlet 11 is not covered by this blade 5 or is not completely obscured, and this radiating part 3 is conducted with the external world, and the heat that projector produces can through this air outlet 11 to external world.Wherein, when this lens cap 4 is in primary importance (position shown in Fig. 1), this camera aperture 10 is covered by this lens cap 4, and this blade 5 correspondence is in closure state that this air outlet 11 is covered by this blade 5; When this lens cap 4 is in the second place (position shown in Fig. 3), this camera aperture 10 is connected with the external world, and this blade 5 is changed to opening along with moving of this lens cap 4, and this air outlet 11 is connected with the external world.
How to realize linking by this lens cap of further instruction 4 with this blade 5 below.With reference to shown in Fig. 2 and Fig. 4, projector comprises shaft-like web member 6 further, and this web member 6 has first end 60 and the second end 61, and this first end 60 is hinged with this lens cap 4, and this second end 61 is hinged with this blade 5; Lens cap 4 is connected by this web member 6 with this blade 5, has first end 60 and the second end 61, and this first end 60 is hinged with this lens cap 4, and this second end 61 is hinged with this blade 5; This blade 5 comprises the first blade 51, second blade 52, Three-blade 53, and the plurality of blade is all articulated with this housing 1, and the axis of its drive-connecting shaft parallels with the Y-Y direction shown in Fig. 1, wherein the side of these three blades is established respectively and is convexly equipped with connecting portion 510,520,530, and this connecting portion and corresponding blade are not at grade, these three blades are connected by connecting link 7, and this connecting link 7 is by above-mentioned connecting portion 510,520,530, and this connecting link 7 makes the movement of these three blades 5 synchronous; In addition, what the second end 61 of this web member 6 realized with this blade 5 by the hinged of the end 70 with this connecting link 7 is hinged.Wherein, when this lens cap 4 moves (Fig. 4 X-X direction) from primary importance to the second place, this blade 5 is subject to the effect of the thrust of this web member 6 and rotates along respective drive-connecting shaft, makes to be formed between the plurality of blade passage, is beneficial to this air outlet 11 and extraneous communicating is dispelled the heat; In addition, need to further illustrate, when the plurality of blade is in closure state, very close to each other or gap is very little, to play preferably dust-proof effect between adjacent blade.Separately it should be noted that, this connecting portion 510,520,530 and corresponding blade 51,52,53 are not at grade, for the ease of the interlock of lens cap 4 with those blades, namely user only need apply less power, just the slip of this lens cap can be made unobstructed, this principle is that those skilled in the art are understandable, does not repeat them here.Certainly, at above-mentioned connecting link 7 with in the connection of this blade 51,52,53, also can be provided with in the side of these three blades and link slot (not shown in FIG.) is set, by the connection of this link slot with this connecting link 7, reach the effect identical with above-described embodiment.The slip of this lens cap 4 is not limited to above-mentioned direction, can be also the direction that above-described embodiment is contrary, all can reach the effect identical with above-described embodiment, not repeat them here.
Certainly, further, the quantity of this blade 5 is not limited to 3, can be more, or 1, all can reach above-mentioned effect.But, it should be noted that, all need to ensure to cover this air outlet 11 under the closure state of blade, prevent the dust in air from entering, and this air outlet 11 can be exposed when opening, ensure the effect of heat radiation.
In addition, further, the connection of this lens cap 4 and this blade 5 also can adopt other mode, also can reach the effect of interlock.As shown in Figure 5 and Figure 6, be the structural representation of the second embodiment of the present invention, in the present embodiment, lens cap 4 is slidably connected mutually with this housing 1, and blade 5 is fixedly connected by web member 6 and this lens cap 4; When lens cap 4 is in primary importance (position residing for Fig. 5), this camera aperture 10 is covered by this lens cap 4, and this blade 5 correspondence is in closure state that this air outlet 11 is covered by this blade 5; When being in the second place when this lens cap 4 upward sliding (position shown in Fig. 6), this camera aperture 10 is connected with the external world, and this blade 5 is changed to opening along with the synchronous upward sliding of this lens cap 4, and this air outlet 11 is connected with the external world.
Certainly, this lens cap 4 also can adopt the mode shown in Fig. 7 and Fig. 8 with the connection of this blade 5, also can reach the effect of interlock.In Fig. 7, lens cap 4 and housing 1 are articulated, and its drive-connecting shaft is the first drive-connecting shaft 41; Blade 5 and housing 1 are articulated, and its drive-connecting shaft is the second drive-connecting shaft 50, and the second drive-connecting shaft 50 parallels with this first drive-connecting shaft 41; The two ends of web member 6 are articulated with the first side 42 of this lens cap 4 and the second side 55 of this blade 5 respectively, when lens cap 4 rotates along this drive-connecting shaft 41 camera aperture 10 to be exposed, this web member 6 pairs of blade 4 applied thrusts, this blade 5 is made to be in opening with this second drive-connecting shaft 50 for drive-connecting shaft rotates, this air outlet 11 is exposed, and now the second side 55 of this blade 5 is relative with the first side 42 of this lens cap 4.Utilize the present embodiment structure, make this blade and this lens cap reach the effect of interlock.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (7)
1. a projector, comprises housing, camera lens and radiating part, and this housing is provided with the camera aperture corresponding to this camera lens and the air outlet corresponding to this radiating part, and it is characterized in that, this projector also comprises:
Lens cap, is located on this housing movably, optionally to cover this camera aperture;
Blade, correspondingly with this air outlet is arranged, and this lens cap and this blade link, and change between closure state and opening to make this blade;
Wherein, this lens cap is slidably connected to this housing, and this blade and this lens cap are fixedly connected, and this blade produces equidirectional slip along with the slip of this lens cap; When this lens cap is in primary importance, this camera aperture is covered by this lens cap, and this blade correspondence is in closure state, and this air outlet is covered by this blade; When this lens cap is in the second place, this camera aperture is connected with the external world, and this blade is changed to opening along with moving of this lens cap, and this air outlet is connected with the external world.
2. projector as claimed in claim 1, it is characterized in that, this lens cap is slidably connected to this housing, the two ends of this blade and this housing are articulated, this projector comprises web member further, and this web member is shaft-like, has first end and the second end, this first end and this lens cap are hinged, and this second end and this blade are hinged; Wherein, when this lens cap moves from primary importance to the second place, this blade is subject to the effect of the thrust of this web member and rotates and be changed to opening from closure state, and the direction that the axis of drive-connecting shaft that is articulated of this blade and this housing and this lens cap slide is perpendicular.
3. projector as claimed in claim 2, it is characterized in that, the quantity of this blade is multiple, and the plurality of blade is integrally connected by connecting link, and one end of the second end of this web member and this connecting link is hinged.
4. projector as claimed in claim 3, it is characterized in that, the side of this each blade is provided with connecting portion, and this connecting link realizes the connection with this blade by this each connecting portion.
5. projector as claimed in claim 1, it is characterized in that, this lens cap is articulated in this housing, and this blade pivot is connected to this housing, and the drive-connecting shaft of this lens cap parallels with the drive-connecting shaft of this blade; This projector comprises web member further, and this web member is shaft-like, has first end and the second end, and this first end and this lens cap are hinged, and this second end and this blade are hinged; Wherein, when this lens cap rotates from primary importance to the second place, this blade is subject to the effect of the thrust of this web member and rotates and be changed to opening from closure state.
6. projector as claimed in claim 1, it is characterized in that, this housing is provided with chute, and on this lens cap, correspondence is provided with protuberance, realizes being slidably connected of this lens cap and this housing by coordinating of this protuberance and this chute.
7. projector as claimed in claim 1, it is characterized in that, this lens cap is provided with operating portion further, and when wherein this operating portion is operated, this lens cap moves between this primary importance and this second place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310100187.8A CN103207505B (en) | 2013-03-26 | 2013-03-26 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310100187.8A CN103207505B (en) | 2013-03-26 | 2013-03-26 | Projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103207505A CN103207505A (en) | 2013-07-17 |
| CN103207505B true CN103207505B (en) | 2014-12-24 |
Family
ID=48754774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310100187.8A Active CN103207505B (en) | 2013-03-26 | 2013-03-26 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103207505B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842967B (en) * | 2015-01-12 | 2018-03-02 | 信泰光学(深圳)有限公司 | Micro- projector |
| CN104898358B (en) * | 2015-05-13 | 2017-01-18 | 深圳市帅映科技股份有限公司 | Active dust-proof cooling device for projector and method thereof |
| CN105068366B (en) * | 2015-09-01 | 2017-03-15 | 深圳市中影院线有限公司 | Scialyscope self-action dust prevention system |
| CN106019781B (en) * | 2016-05-25 | 2018-04-17 | 苏州佳世达光电有限公司 | Electronic device |
| CN205750248U (en) * | 2016-06-07 | 2016-11-30 | 中兴通讯股份有限公司 | Projector housing and there is its projector |
| CN107340675A (en) * | 2017-08-24 | 2017-11-10 | 成都全云科技有限公司 | A kind of dust protection equipment based on box body |
| CN107422589A (en) * | 2017-08-24 | 2017-12-01 | 成都全云科技有限公司 | Use the protection device in projector equipment |
| CN107968926A (en) * | 2017-11-17 | 2018-04-27 | 常州信息职业技术学院 | A kind of laser television of Anti-scratching |
| 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 |
| CN110865501B (en) * | 2019-11-28 | 2021-08-24 | 成都极米科技股份有限公司 | Linkage sliding door reversing mechanism and portable projector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008769A (en) * | 2006-01-24 | 2007-08-01 | 上海信诚至典网络技术有限公司 | Projector with cleanable protective cover for camera lens |
| KR20080034626A (en) * | 2006-10-17 | 2008-04-22 | 삼성전자주식회사 | Projector |
| CN101726819B (en) * | 2008-10-16 | 2013-04-24 | 鸿富锦精密工业（深圳）有限公司 | Lens combination structure and projection device applying lens combination structure |
| TW201232156A (en) * | 2011-01-17 | 2012-08-01 | Asia Optical Co Inc | Heat dissipation module of projector |
| CN102162987B (en) * | 2011-04-26 | 2012-07-04 | 苏州佳世达光电有限公司 | Lens cover and projector |
-
2013
- 2013-03-26 CN CN201310100187.8A patent/CN103207505B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103207505A (en) | 2013-07-17 |
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