CN102540668A - Automatic cleaning projector dust screen device and projector - Google Patents
Automatic cleaning projector dust screen device and projector Download PDFInfo
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- CN102540668A CN102540668A CN2012100208195A CN201210020819A CN102540668A CN 102540668 A CN102540668 A CN 102540668A CN 2012100208195 A CN2012100208195 A CN 2012100208195A CN 201210020819 A CN201210020819 A CN 201210020819A CN 102540668 A CN102540668 A CN 102540668A
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- projector
- air channel
- cooling air
- automated cleaning
- dustproof net
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Abstract
The invention is suitable for the technical field of projecting equipment production, and particularly provides an automatic cleaning projector dust screen device and a projector. The dust screen device includes a bottom housing, a cooling air passage, a control chip, a dust screen, a cleaning system formed by an outer cleaning air passage, a fan, a motor and an air checking groove, and a detecting system including an air pressure sensor for detecting air pressure in the cooling air passage, wherein the fan and the motor are in communication connection with the control chip; the air pressure sensor issues the signal for starting the cleaning system to clean the dust screen once detecting that the air pressure in the cooling air passage is lower than the set value; and the projector includes the automatic cleaning projector dust screen device. The automatic cleaning projector dust screen device and a projector provided by the invention can automatically detect and clean the dust screen of the projector, dispenses with manual operation, and greatly improves the convenience and practicability of the projector.
Description
Technical field
The invention belongs to the automated office equipment production technical field, more particularly, but relate to a kind of projector dustproof net arrangement and projector of automated cleaning.
Background technology
For projector, dustproof is an extremely important factor.If good dustproof effect, the inner precision element of projector is just well protected so, and the life-span of projector just can prolong a lot.So, be specifically designed to the device of projector dustproof, the thing that at first will consider when also being design.Now, the Air Filter that projector uses is attend in market, all is in use for some time basically, needs manual work to take off and could continue after the cleaning to use, and troublesome poeration uses also inconvenient.
Summary of the invention
But technical matters to be solved by this invention is to provide a kind of projector dustproof net arrangement of automated cleaning, is intended to realize detecting automatically and cleaning projector dustproof net through it, removes manually-operated from, promotes the convenience and the practicality of projector.
For solving the problems of the technologies described above, the technical scheme of employing of the present invention is: but a kind of projector dustproof net arrangement of automated cleaning is provided, and it is inner to be used to prevent that dust from getting into projector, comprises drain pan and cooling air channel, also comprises:
Control chip is used to control the automated cleaning process of Air Filter device;
Air Filter is located at the air inlet end of said cooling air channel;
Cleaning systems; Comprise the exterior clean air channel, be arranged at said exterior clean air channel one end Air Filter device fan, be located at the motor on the said cooling air channel and be installed on the groove that keeps out the wind of folding in the said cooling air channel by said motor driven, said fan and said motor are connected with said control chip communication;
Detection system; Comprise the blast inductor that is used to detect the air pressure in the cooling air channel, just send the signal that starts said cleaning systems and said Air Filter is cleaned when air pressure in the said cooling air channel is lower than setting value to said control chip when said blast inductor detects.
Further, a side of said cooling air channel offers the breach that connects with said cooling air channel, and said blast inductor is fixed at said indentation, there.
Further, be respectively equipped with at least one top air admission hole and at least one side air admission hole on the said cooling air channel, said exterior clean air channel communicates with top air admission hole and side air admission hole on the said cooling air channel.
Further; The said groove that keeps out the wind comprises frame and turns is located at the multi-disc blinker on the said frame; The output shaft of said motor is connected with arbitrary blinker on the said groove that keeps out the wind through transmission component; The said blinker of multi-disc connects through connecting link, and when rotating with the connected blinker of said motor driven, said connecting link drives each said blinker and opens simultaneously or close.
Further, said transmission component comprises a pair of pitch wheel, and one of them said gear is located on the output shaft of said motor, and an end of the arbitrary blinker on another said gear and the said groove that keeps out the wind is connected.
Further, said drain pan is provided with at least two draw-in grooves, and said Air Filter is provided with at least two buckles, and said Air Filter cooperates the air inlet end that is arranged in said cooling air channel mutually through said buckle with said draw-in groove.
Further, said drain pan is provided with dust-exhausting port, blinker in the bottom on the said groove that keeps out the wind and said dust-exhausting port is suitable and can said dust-exhausting port opened or closed.
But the beneficial effect of the projector dustproof net arrangement of automated cleaning provided by the invention is: but the projector dustproof net arrangement of the present invention's automated cleaning; When long-pending when dust is arranged on the Air Filter; The gas of the inner cooling fan inspiration in air channel of being cooled will reduce, and blast will reduce, and so just can judge the amount of dust on the Air Filter through the blast that is installed in the blast inductor detection cooling air channel inside on the cooling air channel; When the dust on the Air Filter accumulates often; Blast inductor 5 detected blast are lower than setting value, will send one to control chip this moment and start the signal that cleaning systems clean Air Filter, realize the Air Filter automated cleaning; Whole process does not need manually-operated, and is very convenient and practical.
The present invention also provides a kind of projector; It comprises power supply, master control borad, ray machine and dust guard; But said dust guard is the projector dustproof net arrangement of above-mentioned described automated cleaning; But the control chip of the projector dustproof net arrangement of said automated cleaning is located on the said master control borad, and said power supply, master control borad, ray machine are located at the inboard of said drain pan.
The beneficial effect of projector provided by the invention is: but projector of the present invention is owing to adopted the projector dustproof net arrangement of above-mentioned described automated cleaning; Therefore can whether reach the state that needs cleaning by the automatic detection of projector itself; When the amount of dust that accumulates on the Air Filter of projector acquires a certain degree, just can start cleaning systems automatically, with the Air Filter clean; Whole process does not need manually-operated, and is very convenient and practical; Improved projector's combination property simultaneously.
Description of drawings
But the explosive decomposition structural representation of the projector dustproof net arrangement of the automated cleaning that Fig. 1 provides for the embodiment of the invention;
But the perspective view one of the projector dustproof net arrangement of the automated cleaning that Fig. 2 provides for the embodiment of the invention;
But the perspective view two of the projector dustproof net arrangement of the automated cleaning that Fig. 3 provides for the embodiment of the invention;
But the Air Filter of the projector dustproof net arrangement of the automated cleaning that Fig. 4 provides for the embodiment of the invention and the decomposition texture synoptic diagram of other parts;
But the perspective view three of the projector dustproof net arrangement of the automated cleaning that Fig. 5 provides for the embodiment of the invention;
But the blast inductor of the projector dustproof net arrangement of the automated cleaning that Fig. 6 provides for the embodiment of the invention and the decomposition texture synoptic diagram of other parts;
But the perspective view four of the projector dustproof net arrangement of the automated cleaning that Fig. 7 provides for the embodiment of the invention;
But the exterior clean air channel of the projector dustproof net arrangement of the automated cleaning that Fig. 8 provides for the embodiment of the invention and the decomposition texture synoptic diagram of other parts;
Perspective view one but the projector dustproof net arrangement of the automated cleaning that Fig. 9 provides for the embodiment of the invention is dismantled behind the drain pan;
Perspective view two but the projector dustproof net arrangement of the automated cleaning that Figure 10 provides for the embodiment of the invention is dismantled behind the drain pan;
But the assembly structure synoptic diagram of keep out the wind in the projector dustproof net arrangement of the automated cleaning that Figure 11 provides for the embodiment of the invention groove and motor;
But the assembly structure synoptic diagram of the drain pan and the groove that keeps out the wind, Air Filter in the projector dustproof net arrangement of the automated cleaning that Figure 12 provides for the embodiment of the invention;
But the structural representation of blinker under open mode of the groove that keeps out the wind in the projector dustproof net arrangement of the automated cleaning that Figure 13 provides for the embodiment of the invention;
But the structural representation of the blinker of the groove that keeps out the wind in the projector dustproof net arrangement of the automated cleaning that Figure 14 provides for the embodiment of the invention under in off position.
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Please in the lump referring to figs. 1 through Fig. 8 and Figure 12, but existing projector dustproof net arrangement to automated cleaning provided by the invention describes.But the projector dustproof net arrangement of said automated cleaning; It is inner to be used to prevent that dust from getting into projector; Comprise drain pan 1 and cooling air channel 2; Also comprise control chip (figure is invisible), Air Filter 3, cleaning systems and the detection system of the automated cleaning process that is used for controlling the Air Filter device, this Air Filter 3 is located at the air inlet end of said cooling air channel 2; These cleaning systems comprise exterior clean air channel 41, are arranged at the fan 42 of said exterior clean air channel 41 1 end Air Filter devices, are located at the motor 43 on the said cooling air channel 2 and are installed on being driven and the groove 44 that keeps out the wind of folding by said motor 43 in the said cooling air channel 2, and said fan 42 and said motor 43 are connected with said control chip communication; This detection system comprises the blast inductor 5 that is used to detect the air pressure in the cooling air channel 2, just sends the signal that starts said cleaning systems and said Air Filter 3 is cleaned to said control chip when the air pressure in said blast inductor 5 detects said cooling air channel 2 is lower than setting value.
But the projector dustproof net arrangement of automated cleaning provided by the invention, when long-pending when dust is arranged on the Air Filter 3, the gas of the cooling fan inspiration that the air channel 2 of being cooled is inner will reduce; Blast will reduce, and so just can judge the amount of dust on the Air Filter 4 through the blast inductor 5 detection cooling air channels 2 inner blast that are installed on the cooling air channel 2, when the dust on the Air Filter 3 accumulates often; Blast inductor 5 detected blast are lower than setting value, will send one to control chip this moment and start the signal that cleaning systems clean Air Filter 3, fan 42 entrys into service; Through exterior clean air channel 41 with wind to Air Filter 3; Thereby blow the dust on the Air Filter 3 off, realize that whole process is full-automatic to Air Filter 3 automated cleanings; Do not need manually-operated, very convenient and practical; Improved projector's combination property simultaneously.
Further; See also Fig. 5, Fig. 6; But as a kind of embodiment of the projector dustproof net arrangement of automated cleaning provided by the invention, a side of said cooling air channel 2 offers the breach 50 that connects with said cooling air 2 roads, and said blast inductor 5 is fixed at said breach 50 places.In this embodiment, blast inductor 5 can be screwed the outside of being located at cooling air channel 2, and can directly sense the blast in the cooling air channel 2, does not take the inner space of cooling air channel 2, also is convenient to installation, dismounting and the maintenance of blast inductor 5 simultaneously.
Further; See also Fig. 8 to Figure 10; But a kind of embodiment as the projector dustproof net arrangement of automated cleaning provided by the invention; Be respectively equipped with at least one top air admission hole 21 and at least one side air admission hole 22 on the said cooling air channel 2, said exterior clean air channel 41 communicates with top air admission hole 21 and side air admission hole 22 on the said cooling air channel 2.In this embodiment; Fan 42 blows on the Air Filter 3 through the top air admission hole 21 on the cooling air channel 2 through the air-flow part that the exterior clean air channel blows; A part blows on the Air Filter 3 through side air admission hole 22; Guarantee that air-flow fully blows to Air Filter 3 from a plurality of directions, guarantee wind-force and dust removing effects.
Further; Referring to Fig. 1 and Figure 11; But a kind of embodiment as the projector dustproof net arrangement of automated cleaning provided by the invention; The said groove 44 that keeps out the wind comprises that frame 440 is located at the multi-disc blinker 441 on the said frame 440 with rotatable, and the output shaft of said motor 43 is connected with arbitrary blinker 441 on the said groove 44 that keeps out the wind through transmission component, and the said blinker 441 of multi-disc passes through connecting link 442 connections; When rotating with the connected blinker 441 of said motor 43 drivings, said connecting rod 442 drives each said blinker 441 and opens simultaneously or close.In this embodiment, in projector's use at ordinary times, a plurality of blinkers 441 of the groove 44 that keeps out the wind are to be in open mode, to let outside cold air enter into the inside of projector from Air Filter 3; And when the dust of Air Filter 3 accumulation when a certain amount of, the blast that blast inductor 5 just can detect in the cooling air channel 2 are reduced to setting value, just send signal to start cleaning systems through control chip; This moment, fan 42 started with motor 43; Under the effect of motor 43, a plurality of blinkers 441 of the groove 44 that keeps out the wind are closed owing to just can all passing through through connecting link 442 simultaneously, and the groove 44 that at this moment keeps out the wind forms a narrow space with Air Filter 3; Blow over the wind that comes from fan 42 and can't be blown into projector inside through cooling air channel 2; And can only blow to Air Filter 3, and the dust on the Air Filter 3 is blown off, thereby the cleaning of realization Air Filter 3.
Further; See also Fig. 1 and Figure 11; But a kind of embodiment as the projector dustproof net arrangement of automated cleaning provided by the invention; Said transmission component comprises a pair of pitch wheel 432 and gear 433, and its middle gear 432 is located on the output shaft of said motor 43, and an end of the arbitrary blinker 441 on gear 433 and the said groove 44 that keeps out the wind is connected.In this embodiment, when motor 43 started, gear 432 mate gears 433 just can drive the blinker 441 that is connected with gear 433 and rotate, and other blinker 441 also can rotate together simultaneously, thereby realizes opening or closing; This kind of drive has been avoided motor 43 directly is arranged at the side of the groove 44 that keeps out the wind and can increases the lateral dimension of projector, helps the reasonable utilization in space, makes the compact conformation of projector.
Further; See also Fig. 1 and Fig. 4; But a kind of embodiment as the projector dustproof net arrangement of automated cleaning provided by the invention; Said drain pan 1 is provided with at least two draw-in grooves 10, and said Air Filter 3 is provided with at least two buckles 31, and said Air Filter 3 cooperates the air inlet end that is arranged in said cooling air channel 2 mutually through said buckle 31 with said draw-in groove 10.In this embodiment, the fixed form of this buckle-type is beneficial to the dismounting of Air Filter 3, not only is beneficial to the maintenance of Air Filter 3 itself, under the situation of not opening projector shell, also is beneficial to the maintenance of being located at its inboard groove 44 that keeps out the wind simultaneously.
Further; Referring to Figure 13 and Figure 14; But a kind of embodiment as the projector dustproof net arrangement of automated cleaning provided by the invention; Said drain pan 1 is provided with dust-exhausting port (being positioned at the bottom of drain pan 1, invisible among the figure), and blinker in bottom on the said groove 44 that keeps out the wind 441 is suitable and can said dust-exhausting port opened or closed with said dust-exhausting port.In this embodiment, the blinker 441 in the bottom on the groove 44 that keeps out the wind is realized the control to its folding through an end of connecting link 442 is made to crank arm, and under the normal operating position of projector, dust-exhausting port is blocked by nethermost blinker 441; During the cleaning dust, dust-exhausting port is opened, and dust is got rid of the outside of projector from this dust-exhausting port.
The present invention also provides a kind of projector (not shown).Said projector comprises power supply, master control borad, ray machine and dust guard; But said dust guard is the projector dustproof net arrangement of above-mentioned described automated cleaning; But the control chip of the projector dustproof net arrangement of said automated cleaning is located on the said master control borad, and said power supply, master control borad, ray machine are located at the inboard of said drain pan.
But projector provided by the invention has adopted the projector dustproof net arrangement of above-mentioned described automated cleaning; Therefore can whether reach the state that needs cleaning by the automatic detection of projector itself; When the amount of dust that accumulates on the Air Filter of projector acquires a certain degree, just can start cleaning systems automatically, with the Air Filter clean; Whole process does not need manually-operated, and is very convenient and practical.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. but the projector dustproof net arrangement of an automated cleaning is used to prevent that dust from getting into projector inside, comprises drain pan and cooling air channel, it is characterized in that, also comprises:
Control chip is used to control the automated cleaning process of Air Filter device;
Air Filter is located at the air inlet end of said cooling air channel;
Cleaning systems; Comprise the exterior clean air channel, be arranged at said exterior clean air channel one end Air Filter device fan, be located at the motor on the said cooling air channel and be installed on the groove that keeps out the wind of folding in the said cooling air channel by said motor driven, said fan and said motor are connected with said control chip communication;
Detection system; Comprise the blast inductor that is used to detect the air pressure in the cooling air channel, just send the signal that starts said cleaning systems and said Air Filter is cleaned when air pressure in the said cooling air channel is lower than setting value to said control chip when said blast inductor detects.
2. but the projector dustproof net arrangement of automated cleaning as claimed in claim 1 is characterized in that, a side of said cooling air channel offers the breach that connects with said cooling air channel, and said blast inductor is fixed at said indentation, there.
3. but the projector dustproof net arrangement of automated cleaning as claimed in claim 1; It is characterized in that; Be respectively equipped with at least one top air admission hole and at least one side air admission hole on the said cooling air channel, said exterior clean air channel communicates with top air admission hole and side air admission hole on the said cooling air channel.
4. but the projector dustproof net arrangement of automated cleaning as claimed in claim 1; It is characterized in that; The said groove that keeps out the wind comprises that frame is located at the multi-disc blinker on the said frame with rotatable, and the output shaft of said motor is connected with arbitrary blinker on the said groove that keeps out the wind through transmission component, and the said blinker of multi-disc passes through the connecting link connection; When rotating with the connected blinker of said motor driven, said connecting link drives each said blinker and opens simultaneously or close.
5. but the projector dustproof net arrangement of automated cleaning as claimed in claim 4; It is characterized in that; Said transmission component comprises a pair of pitch wheel; One of them said gear is located on the output shaft of said motor, and an end of the arbitrary blinker on another said gear and the said groove that keeps out the wind is connected.
6. but the projector dustproof net arrangement of automated cleaning as claimed in claim 1; It is characterized in that; Said drain pan is provided with at least two draw-in grooves; Said Air Filter is provided with at least two buckles, and said Air Filter cooperates the air inlet end that is arranged in said cooling air channel mutually through said buckle with said draw-in groove.
7. but the projector dustproof net arrangement of automated cleaning as claimed in claim 1 is characterized in that, said drain pan is provided with dust-exhausting port, blinker in the bottom on the said groove that keeps out the wind and said dust-exhausting port is suitable and can said dust-exhausting port opened or closed.
8. projector; Comprise power supply, master control borad, ray machine and dust guard; It is characterized in that; But the projector dustproof net arrangement that said dust guard is each described automated cleaning of claim 1 to 7, but the control chip of the projector dustproof net arrangement of said automated cleaning be located on the said master control borad, said power supply, master control borad, ray machine are located at the inboard of said drain pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210020819.5A CN102540668B (en) | 2012-01-30 | 2012-01-30 | Automatic cleaning projector dust screen device and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210020819.5A CN102540668B (en) | 2012-01-30 | 2012-01-30 | Automatic cleaning projector dust screen device and projector |
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| Publication Number | Publication Date |
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| CN102540668A true CN102540668A (en) | 2012-07-04 |
| CN102540668B CN102540668B (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210020819.5A Active CN102540668B (en) | 2012-01-30 | 2012-01-30 | Automatic cleaning projector dust screen device and projector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028504A (en) * | 2013-03-04 | 2014-09-10 | 台达电子工业股份有限公司 | Cleaning module suitable for projection device |
| CN107514524A (en) * | 2017-09-21 | 2017-12-26 | 姚巧宁 | The control motion that a kind of projector position automatically adjusts |
| CN108848361A (en) * | 2018-07-13 | 2018-11-20 | 网易（杭州）网络有限公司 | For the method for interactive projector, medium, device and calculate equipment |
| TWI727699B (en) * | 2019-08-07 | 2021-05-11 | 廣達電腦股份有限公司 | Electronic device with an air filter and method for monitoring a state of the air filter |
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| US20040032665A1 (en) * | 2002-06-19 | 2004-02-19 | Seiko Epson Corporation | Optical device and projector having the optical device |
| US20070211220A1 (en) * | 2006-03-10 | 2007-09-13 | Kazuomi Kaneko | Display apparatus |
| CN101131534A (en) * | 2007-08-17 | 2008-02-27 | 广东威创日新电子有限公司 | Heat radiating device with independent ventiduct |
| CN101576702A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Dust preventing assembly and projecting apparatus adopting same |
| CN101576706A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Cooling system and projecting apparatus adopting same |
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2012
- 2012-01-30 CN CN201210020819.5A patent/CN102540668B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040032665A1 (en) * | 2002-06-19 | 2004-02-19 | Seiko Epson Corporation | Optical device and projector having the optical device |
| US20070211220A1 (en) * | 2006-03-10 | 2007-09-13 | Kazuomi Kaneko | Display apparatus |
| CN101131534A (en) * | 2007-08-17 | 2008-02-27 | 广东威创日新电子有限公司 | Heat radiating device with independent ventiduct |
| CN101576702A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Dust preventing assembly and projecting apparatus adopting same |
| CN101576706A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Cooling system and projecting apparatus adopting same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028504A (en) * | 2013-03-04 | 2014-09-10 | 台达电子工业股份有限公司 | Cleaning module suitable for projection device |
| CN107514524A (en) * | 2017-09-21 | 2017-12-26 | 姚巧宁 | The control motion that a kind of projector position automatically adjusts |
| CN108848361A (en) * | 2018-07-13 | 2018-11-20 | 网易（杭州）网络有限公司 | For the method for interactive projector, medium, device and calculate equipment |
| CN108848361B (en) * | 2018-07-13 | 2020-10-16 | 杭州易现先进科技有限公司 | Method, medium, apparatus, and computing device for interactive projector |
| TWI727699B (en) * | 2019-08-07 | 2021-05-11 | 廣達電腦股份有限公司 | Electronic device with an air filter and method for monitoring a state of the air filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102540668B (en) | 2014-08-20 |
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