CN102540668B - Automatic cleaning projector dust screen device and projector - Google Patents
Automatic cleaning projector dust screen device and projector Download PDFInfo
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- CN102540668B CN102540668B CN201210020819.5A CN201210020819A CN102540668B CN 102540668 B CN102540668 B CN 102540668B CN 201210020819 A CN201210020819 A CN 201210020819A CN 102540668 B CN102540668 B CN 102540668B
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- 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 automated office equipment production technical field, more particularly, relate to a kind of projector dustproof net arrangement and projector that can automated cleaning.
Background technology
For projector, dustproof is an extremely important factor.If good dustproof effect, the precision element of projector inside, is just well protected so, and the life-span of projector just can extend a lot.So, be specifically designed to the device of projector dustproof, the thing that first will consider while being also design.Now, the Air Filter that on market, projector uses, is all in use for some time substantially, need to manually take off after clean and could continue to use, and troublesome poeration, use is inconvenience also.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of projector dustproof net arrangement that can automated cleaning, is intended to be realized and automatically being detected and clean projector dustproof net by it, removes manual operation from, promotes 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: a kind of projector dustproof net arrangement that can automated cleaning is provided, for preventing that dust from entering projector inside, comprises drain pan and cooling air channel, also comprise:
Control chip, for controlling the automated cleaning process of dust screen apparatus;
Air Filter, is located at the air inlet end of described cooling air channel;
Cleaning systems, comprise exterior clean air channel, be arranged at one end, described exterior clean air channel fan, be located at the motor on described cooling air channel and be installed on being driven and the groove that keeps out the wind of folding by described motor in described cooling air channel, described fan and described motor are connected with described control chip communication;
Detection system, comprise the blast inductor for detection of the air pressure in cooling air channel, when described blast inductor detects air pressure in described cooling air channel lower than setting value, just to described control chip, send and start described cleaning systems and described Air Filter is carried out to clean signal.
Further, a side of described cooling air channel offers the breach connecting with described cooling air channel, and described blast inductor is fixed at described indentation, there.
Further, be respectively equipped with at least one top air admission hole and at least one side air admission hole on described cooling air channel, described exterior clean air channel communicates with top air admission hole and side air admission hole on described cooling air channel.
Further, the described groove that keeps out the wind comprises frame and is rotatably located at the multi-disc blinker on described frame, the output shaft of described motor by transmission component with described in arbitrary blinker keeping out the wind on groove be connected, described in multi-disc, blinker connects by connecting link, when described motor drives connected blinker to rotate, described connecting link drives blinker described in each open simultaneously or close.
Further, described transmission component comprises a pair of pitch wheel, and described in one of them, gear is located on the output shaft of described motor, described in another gear with described in the keep out the wind one end of the arbitrary blinker on groove be connected.
Further, described drain pan is provided with at least two draw-in grooves, and described Air Filter is provided with at least two buckles, and described Air Filter coordinates the air inlet end that is arranged in mutually described cooling air channel with described draw-in groove by described buckle.
Further, described drain pan is provided with dust-exhausting port, described in one of the bottom blinker that keeps out the wind on groove and described dust-exhausting port is suitable and described dust-exhausting port can be opened or closed.
The beneficial effect of projector dustproof net arrangement that can automated cleaning provided by the invention is: the projector dustproof net arrangement that the present invention can automated cleaning, on Air Filter, amass while having dust, the gas of cooling fan inspiration of inside, air channel of being cooled will reduce, blast will reduce, so just can judge the amount of dust on Air Filter by being arranged on the blast of the blast inductor detection cooling air channel inside on cooling air channel, when the dust on Air Filter accumulates often, the blast that blast inductor 5 detects is lower than setting value, now will send startup cleaning systems to control chip Air Filter is carried out to clean signal, realization is to Air Filter automated cleaning, whole process does not need manual operation, 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, described dust guard is projector dustproof net arrangement that can automated cleaning described above, the control chip of described projector dustproof net arrangement that can automated cleaning is located on described master control borad, and described power supply, master control borad, ray machine are located at the inner side of described drain pan.
The beneficial effect of projector provided by the invention is: projector of the present invention is owing to having adopted projector dustproof net arrangement that can automated cleaning described above, therefore whether the automatic detection of Ke You projector itself reaches and needs clean state, when the amount of dust accumulating on the Air Filter of projector acquires a certain degree, just can automatically start cleaning systems, Air Filter is clean clean, whole process does not need manual operation, very convenient and practical; Improved projector's combination property simultaneously.
Accompanying drawing explanation
Fig. 1 for the embodiment of the present invention provide can automated cleaning the explosive decomposition structural representation of projector dustproof net arrangement;
Fig. 2 for the embodiment of the present invention provide can automated cleaning the perspective view one of projector dustproof net arrangement;
Fig. 3 for the embodiment of the present invention provide can automated cleaning the perspective view two of projector dustproof net arrangement;
Fig. 4 for the embodiment of the present invention provide can automated cleaning the Air Filter of projector dustproof net arrangement and the decomposition texture schematic diagram of other parts;
Fig. 5 for the embodiment of the present invention provide can automated cleaning the perspective view three of projector dustproof net arrangement;
Fig. 6 for the embodiment of the present invention provide can automated cleaning the blast inductor of projector dustproof net arrangement and the decomposition texture schematic diagram of other parts;
Fig. 7 for the embodiment of the present invention provide can automated cleaning the perspective view four of projector dustproof net arrangement;
Fig. 8 for the embodiment of the present invention provide can automated cleaning the exterior clean air channel of projector dustproof net arrangement and the decomposition texture schematic diagram of other parts;
Fig. 9 for the embodiment of the present invention provide can automated cleaning the projector dustproof net arrangement perspective view one of dismantling after drain pan;
Figure 10 for the embodiment of the present invention provide can automated cleaning the projector dustproof net arrangement perspective view two of dismantling after drain pan;
Figure 11 for the embodiment of the present invention provide can the projector dustproof net arrangement of automated cleaning in the keep out the wind assembly structure schematic diagram of groove and motor;
Figure 12 for the embodiment of the present invention provide can the projector dustproof net arrangement of automated cleaning in the assembly structure schematic diagram of drain pan and the groove that keeps out the wind, Air Filter;
Figure 13 for the embodiment of the present invention provide can the projector dustproof net arrangement of automated cleaning in the blinker of the groove structural representation under open mode that keeps out the wind;
Figure 14 for the embodiment of the present invention provide can the projector dustproof net arrangement of automated cleaning in the blinker of the groove structural representation under in off position that keeps out the wind.
Embodiment
In order to make technical matters to be solved by this invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Please with reference to Fig. 1 to Fig. 8 and Figure 12, existing projector dustproof net arrangement that can automated cleaning provided by the invention is described.Described projector dustproof net arrangement that can automated cleaning, be used for preventing that dust from entering projector inside, comprise drain pan 1 and cooling air channel 2, also comprise that this Air Filter 3 is located at the air inlet end of described cooling air channel 2 for controlling control chip (figure is invisible), Air Filter 3, cleaning systems and the detection system of the automated cleaning process of dust screen apparatus; These cleaning systems comprise exterior clean air channel 41, are arranged at the fan 42 of 41 one end, described exterior clean air channel, are located at the motor 43 on described cooling air channel 2 and are installed on being driven and the groove 44 that keeps out the wind of folding by described motor 43 in described cooling air channel 2, and described fan 42 and described motor 43 are connected with described control chip communication; This detection system comprises the blast inductor 5 for detection of the air pressure in cooling air channel 2, and the air pressure in described blast inductor 5 detects described cooling air channel 2 just sends and starts described cleaning systems and described Air Filter 3 is carried out to clean signal to described control chip during lower than setting value.
Projector dustproof net arrangement that can automated cleaning provided by the invention, on Air Filter 3, amass while having dust, the gas of cooling fan inspiration of 2 inside, air channel of being cooled will reduce, blast will reduce, the blast that so just can detect cooling air channel 2 inside by the blast inductor 5 being arranged on cooling air channel 2 is judged the amount of dust on Air Filter 4, when the dust on Air Filter 3 accumulates often, the blast that blast inductor 5 detects is lower than setting value, now will send startup cleaning systems to control chip Air Filter 3 is carried out to clean signal, fan 42 entrys into service, by exterior clean air channel 41 by wind to Air Filter 3, thereby blow the dust on Air Filter 3 off, realization is to Air Filter 3 automated cleanings, whole process is full-automatic, do not need manual operation, very convenient and practical, improved projector's combination property simultaneously.
Further, refer to Fig. 5, Fig. 6, as a kind of embodiment of projector dustproof net arrangement that can automated cleaning provided by the invention, a side of described cooling air channel 2 offers the breach 50 connecting with described cooling air 2 roads, and described blast inductor 5 is fixed at described breach 50 places.In present embodiment, blast inductor 5 can be fixed at screw the outside of cooling air channel 2, and can directly sense the blast in cooling air channel 2, does not take the inner space of cooling air channel 2, is also convenient to installation, dismounting and the maintenance of blast inductor 5 simultaneously.
Further, refer to Fig. 8 to Figure 10, a kind of embodiment as projector dustproof net arrangement that can automated cleaning provided by the invention, on described cooling air channel 2, be respectively equipped with at least one top air admission hole 21 and at least one side air admission hole 22, described exterior clean air channel 41 communicates with top air admission hole 21 and side air admission hole 22 on described cooling air channel 2.In present embodiment, the air-flow part that fan 42 blows by exterior clean air channel blows on Air Filter 3 by the top air admission hole 21 on cooling air channel 2, a part blows on Air Filter 3 by side air admission hole 22, guarantee that air-flow fully blows to Air Filter 3 from multiple directions, guarantee wind-force and dust removing effects.
Further, referring to Fig. 1 and Figure 11, a kind of embodiment as projector dustproof net arrangement that can automated cleaning provided by the invention, the described groove 44 that keeps out the wind comprises frame 440 and is rotatably located at the multi-disc blinker 441 on described frame 440, the output shaft of described motor 43 by transmission component with described in the arbitrary blinker 441 that keep out the wind on groove 44 be connected, described in multi-disc, blinker 441 connects by connecting link 442, when described motor 43 drives connected blinker 441 to rotate, described connecting rod 442 drives blinker 441 described in each open simultaneously or close.In present embodiment, in projector's use procedure at ordinary times, a plurality of blinkers 441 of the groove 44 that keeps out the wind are in open mode, to allow outside cold air enter into the inside of projector from Air Filter 3, and when the dust of Air Filter 3 accumulation is when a certain amount of, the blast that blast inductor 5 just can detect in cooling air channel 2 is reduced to setting value, just send signal and start cleaning systems by control chip, now fan 42 starts with motor 43, under the effect of motor 43, keep out the wind a plurality of blinkers 441 of groove 44 owing to just can all thoroughly close by connecting link 442 simultaneously, at this moment the groove 44 that keeps out the wind forms a narrow space with Air Filter 3, from fan 42, blow over the wind coming and cannot be blown into projector inside by cooling air channel 2, and can only blow to Air Filter 3, and the dust on Air Filter 3 is blown off, thereby realize the clean of Air Filter 3.
Further, refer to Fig. 1 and Figure 11, a kind of embodiment as projector dustproof net arrangement that can automated cleaning provided by the invention, described transmission component comprises a pair of pitch wheel 432 and gear 433, its middle gear 432 is located on the output shaft of described motor 43, gear 433 with described in the keep out the wind one end of the arbitrary blinker 441 on groove 44 be connected.In present embodiment, when motor 43 starts, gear 432 mate gears 433 just can drive the blinker 441 being connected with gear 433 to rotate, and other blinker 441 also can rotate together simultaneously, thereby realize, opens or closes; This kind of drive has avoided motor 43 to be directly arranged at the side of the groove 44 that keeps out the wind and can to increase the lateral dimension of projector, is conducive to the reasonable utilization in space, makes the compact conformation of projector.
Further, refer to Fig. 1 and Fig. 4, a kind of embodiment as projector dustproof net arrangement that can automated cleaning provided by the invention, described drain pan 1 is provided with at least two draw-in grooves 10, described Air Filter 3 is provided with at least two buckles 31, and described Air Filter 3 coordinates with described draw-in groove 10 the air inlet end that is arranged in mutually described cooling air channel 2 by described buckle 31.In present embodiment, the fixed form of this buckle-type is beneficial to the dismounting of Air Filter 3, is not only beneficial to the maintenance of Air Filter 3 own, is also beneficial to the maintenance of the groove 44 that keeps out the wind of being located at its inner side simultaneously in the situation that not opening projector shell.
Further, referring to Figure 13 and Figure 14, a kind of embodiment as projector dustproof net arrangement that can automated cleaning provided by the invention, described drain pan 1 is provided with dust-exhausting port and (is positioned at the bottom of drain pan 1, invisible in figure), described in one of the bottom blinker 441 that keeps out the wind on groove 44 suitable and described dust-exhausting port can be opened or closed with described dust-exhausting port.In present embodiment, one of the bottom blinker 441 keeping out the wind on groove 44 is by one end of connecting link 442 is made and cranked arm to realize the control to its folding, and under the normal service condition of projector, dust-exhausting port is blocked by nethermost blinker 441; During clean 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).Described projector comprises power supply, master control borad, ray machine and dust guard, described dust guard is projector dustproof net arrangement that can automated cleaning described above, the control chip of described projector dustproof net arrangement that can automated cleaning is located on described master control borad, and described power supply, master control borad, ray machine are located at the inner side of described drain pan.
Projector provided by the invention has adopted projector dustproof net arrangement that can automated cleaning described above, therefore whether the automatic detection of Ke You projector itself reaches and needs clean state, when the amount of dust accumulating on the Air Filter of projector acquires a certain degree, just can automatically start cleaning systems, Air Filter is clean clean, whole process does not need manual operation, very convenient and practical.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a projector dustproof net arrangement that can automated cleaning, for preventing that dust from entering projector inside, comprises drain pan and cooling air channel, it is characterized in that, also comprises:
Control chip, for controlling the automated cleaning process of dust screen apparatus;
Air Filter, is located at the air inlet end of described cooling air channel;
Cleaning systems, comprise exterior clean air channel, be arranged at one end, described exterior clean air channel fan, be located at the motor on described cooling air channel and be installed on being driven and the groove that keeps out the wind of folding by described motor in described cooling air channel, described fan and described motor are connected with described control chip communication;
Detection system, comprise the blast inductor for detection of the air pressure in cooling air channel, when described blast inductor detects air pressure in described cooling air channel lower than setting value, just to described control chip, send and start described cleaning systems and described Air Filter is carried out to clean signal.
2. projector dustproof net arrangement that can automated cleaning as claimed in claim 1, is characterized in that, a side of described cooling air channel offers the breach connecting with described cooling air channel, and described blast inductor is fixed at described indentation, there.
3. projector dustproof net arrangement that can automated cleaning as claimed in claim 1, it is characterized in that, on described cooling air channel, be respectively equipped with at least one top air admission hole and at least one side air admission hole, described exterior clean air channel communicates with top air admission hole and side air admission hole on described cooling air channel.
4. projector dustproof net arrangement that can automated cleaning as claimed in claim 1, it is characterized in that, the described groove that keeps out the wind comprises frame and is rotatably located at the multi-disc blinker on described frame, the output shaft of described motor by transmission component with described in arbitrary blinker keeping out the wind on groove be connected, described in multi-disc, blinker connects by connecting link, when described motor drives connected blinker to rotate, described connecting link drives blinker described in each open simultaneously or close.
5. projector dustproof net arrangement that can automated cleaning as claimed in claim 4, it is characterized in that, described transmission component comprises a pair of pitch wheel, described in one of them, gear is located on the output shaft of described motor, described in another gear with described in the keep out the wind one end of the arbitrary blinker on groove be connected.
6. projector dustproof net arrangement that can automated cleaning as claimed in claim 1, it is characterized in that, described drain pan is provided with at least two draw-in grooves, described Air Filter is provided with at least two buckles, and described Air Filter coordinates the air inlet end that is arranged in mutually described cooling air channel with described draw-in groove by described buckle.
7. projector dustproof net arrangement that can automated cleaning as claimed in claim 1, is characterized in that, described drain pan is provided with dust-exhausting port, described in one of the bottom blinker that keeps out the wind on groove and described dust-exhausting port is suitable and described dust-exhausting port can be opened or closed.
8.Yi Zhong projector, comprise power supply, master control borad, ray machine and dust guard, it is characterized in that, described dust guard be described in claim 1 to 7 any one can automated cleaning projector dustproof net arrangement, the control chip of described projector dustproof net arrangement that can automated cleaning is located on described master control borad, and described power supply, master control borad, ray machine are located at the inner side of described 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102540668A CN102540668A (en) | 2012-07-04 |
| CN102540668B true 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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Families Citing this family (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 |
| 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 |
| US10854065B1 (en) * | 2019-08-07 | 2020-12-01 | Quanta Computer Inc. | Fan filter replacement mechanism |
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| 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 |
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6844993B2 (en) * | 2002-06-19 | 2005-01-18 | Seiko Epson Corporation | Optical device and projector having the optical device |
| JP5011760B2 (en) * | 2006-03-10 | 2012-08-29 | 株式会社日立製作所 | Display device |
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2012
- 2012-01-30 CN CN201210020819.5A patent/CN102540668B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
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| CN102540668A (en) | 2012-07-04 |
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