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CN109966807A - Projector's ventilated purification apparatus - Google Patents

Projector's ventilated purification apparatus Download PDF

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Publication number
CN109966807A
CN109966807A CN201910168624.7A CN201910168624A CN109966807A CN 109966807 A CN109966807 A CN 109966807A CN 201910168624 A CN201910168624 A CN 201910168624A CN 109966807 A CN109966807 A CN 109966807A
Authority
CN
China
Prior art keywords
cabinet
projector
plate
filter
purification apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910168624.7A
Other languages
Chinese (zh)
Inventor
谭清云
黄涛
肖杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jinhaoyuan Purification Technology Co Ltd
Original Assignee
Beijing Jinhaoyuan Purification Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Jinhaoyuan Purification Technology Co Ltd filed Critical Beijing Jinhaoyuan Purification Technology Co Ltd
Priority to CN201910168624.7A priority Critical patent/CN109966807A/en
Publication of CN109966807A publication Critical patent/CN109966807A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0034Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using magnetic forces to remove particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B01D46/64Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2267/00Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
    • B01D2267/40Different types of filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2267/00Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
    • B01D2267/70Horizontal arrangement

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

The present invention provides a kind of projector's ventilated purification apparatus, and commercial lasers projector is installed in the net case of ventilation.Air outside purifying box is sucked by the centrifugal blower set up in case, and after the air containing dust passes sequentially through elementary, middle and high air filter, the grid hole of the ventilation and heat of projector is sent by blower.When air passes through elementary, middle and high filter, dust contained in air is filtered out by filter interception, so that air is purified from face.Elementary, middle and high filter is regularly replaced, it includes cabinet, filter element, fan unit are successively arranged in the cabinet from left to right, flows unit and installation bin, is equipped with primarily efficient filter layer, medium air filtration layer and high efficiency filter layer vertically in the filter element;It is separated by partition between the fan unit and stream unit, blower is installed on the partition;The stream unit includes the homogenizing plate set vertically in the inner;Laser projection is installed, the cabinet right end is equipped with grid hole in the installation bin.

Description

Projector's ventilated purification apparatus
Technical field
The invention belongs to ventilation cleaning technical field, in particular to a kind of projector's ventilated purification apparatus.
Background technique
With the progress of human society, the improvement of people's living standards, people pass through various different media daily and obtain greatly The various information of amount.The 80% of mankind's external world acquisition information comes from vision, therefore display is that modern people obtain letter The important channel of breath, display technology are the important development directions of message area.With people have to the acquisition of information it is more higher Requirement, just have more expectations to the performance of display, the research of display technology and device is also just more and more important.It is modern Medium equipment is multifarious, various, greatly facilitates the approach that people obtain information.With the continuous progress of science and technology, swash The light projector means new as broadcasting media equipment, laser projection are also come into the daily life of people.Relevant product There is listing and has applied in real life.As the outdoor projection in the stadium of movement meeting in 2008 is shown and some cinemas Display application.Advertisement is that the important fortune speculated as laser is answered, and advertisement is ubiquitous in people's daily life. In people's life simultaneously, it be unable to do without food, clothing, housing and transportation.The mode of transportation of people's trip is varied, and subway is that people's trip is first Select mode.Modern subway station is crowded, be broadcasting media includes the optimal with scene of advertizing.Another aspect train Enter the station brake, makes brake block attrition, and generates metal particulate.Metal particulate dust is suspended in subway or subway Platform is the same as in the air enclosed.
Modern laser projection institute is in high-tech product, and product is built-in, and there are many accurate electronics without device, including essence Close optical lens.To make reliablely and stablely working in laser projection without device, ventilation is mounted on inside laser projection Radiator fan.The laser of manufacturer's factory speculates its internal ventilation and heat fan and ventilation and protection installed, and is that manufacturer occupy What projector designed under normal use environment.When laser shadow machine applies in the environment of subway or subway platform, ventilation is anti- Dirt, which becomes, to be had to consider a problem, because subway or subway platform will be with the metal particulate dust to suspend in the air enclosed Projector's draft is inhaled into inside equipment.It is fallen into the metal particulate dust fractions in projector and invests precision in equipment Component or electronic circuit plate surface, are partially attached on the blade surface of projector's ventilation and heat fan.It falls and invests component Or the metallic dust of electronic circuit plate surface, it will affect the working condition of component or electronic circuit board, swash damage when serious Light projector.And it is attached to radiating fan blade surface dust, it will affect the revolving speed of radiator fan, decline rotation speed of the fan, from The ventilation quantity of projector and the heat dissipation for influencing projector.
Summary of the invention
The present invention provides a kind of projector's ventilated purification apparatus, and commercial lasers projector is installed in the net case of ventilation.Only The air changed outside case is sucked by the centrifugal blower set up in case, and the air containing dust passes sequentially through elementary, middle and high air filtration After device, the grid hole of the ventilation and heat of projector is sent by centrifugal blower.When air passes through elementary, middle and high filter, in air Contained dust is filtered out by filter interception, so that air is purified from face.Elementary, middle and high filter carries out regularly more It changes comprising cabinet is successively arranged filter element in the cabinet from left to right, fan unit, flows unit and installation bin, institute Cabinet left end is stated equipped with grid hole, the grid hole is equipped with magnetic metal net close to the filter element end, and the filtering is single Member includes primarily efficient filter layer, medium air filtration layer and the high efficiency filter layer set vertically in the inner, and the primarily efficient filter layer is close to described The setting of magnetic metal net, the high efficiency filter layer are arranged close to the fan unit;Between the fan unit and stream unit It is separated by partition, blower is installed on the partition, and ventilation opening is offered on the partition, and the blower outlet air end is connected to On the ventilation opening;The stream unit includes the homogenizing plate set vertically in the inner, and the stream unit and the installation bin are logical It crosses transverse slat to separate, the transverse slat is equipped with ventilation opening;Laser projection is installed, the cabinet front end is equipped in the installation bin Opening, laser projection projection end are arranged close to the opening, and the cabinet right end is equipped with grid hole.
Preferably, the cabinet bottom end is equipped with separate installment support frame, the separate installment support frame includes peace Dress fixed plate, angle adjustment plate and transition chassis frame, the mounting plate are connected to the cabinet bottom end, the angle adjustment plate It is connected between the mounting plate and transition chassis frame, the angle adjustment plate is equipped with fixation hole and angle adjustment holes, institute State angle adjustment holes be equipped with it is multiple, multiple angle adjustment holes are angularly distributed centered on the fixation hole, the transition Mounting hole and connecting hole are offered on chassis respectively, the mounting hole is bolted with the fixation hole, the connecting hole It is bolted with the angle adjustment holes.
Preferably, the cabinet is equipped with grid hole protective net, for divulging information and protecting.
Preferably, the cabinet front end is equipped with maintenance door-plate, the maintenance door-plate is arranged close to the filter element.
Preferably, the cabinet upper end is equipped with lamina tecti, the lamina tecti detachable connection in the cabinet upper end, And it is covered on the filter element, fan unit respectively and flows unit upper end.
Preferably, being equipped with just effect G4 filter in the primarily efficient filter layer, middle effect F7 is equipped in the medium air filtration layer Filter, the high efficiency filter layer is interior to be equipped with efficient H10 filter.
Preferably, the blower is the centrifugal blower singly entered the wind, the blower outlet air end has companion flange, described to match Flange is bolted on the ventilation opening.
Preferably, the cabinet upper end is equipped with flip plate, the flip plate is covered on the installation bin upper end.
Preferably, the installation bin bottom is equipped with installation screw, the installation screw and set on the laser projection The installation fixing threaded hole of bottom end is cooperatively connected, and the laser projection is carried out pair close to tabula end by sealing strip and the transverse slat It connects.
Preferably, the transition chassis frame is set as right-angled trapezium shape, transition chassis frame bevel edge end is close to the angle tune Plate setting is saved, the mounting hole and connecting hole are arranged close to transition chassis frame bevel edge end, and bottom end connects under the transition chassis frame There is connecting plate, multiple waist type mounting holes are offered on the connecting plate.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of projection machine face axonometric drawing in the embodiment of the present invention;
Fig. 2 is axonometric drawing behind projector a kind of in the embodiment of the present invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figure 1 and Figure 2, described the embodiment of the invention provides a kind of projector's ventilated purification apparatus, including cabinet 1 Filter element 2, fan unit 3 are successively arranged in cabinet 1 from left to right, unit 4 and installation bin 5,1 left end of cabinet is flowed and sets There is grid hole, the grid hole is equipped with magnetic metal net 6 close to 2 end of filter element, and the filter element 2 includes vertical If primarily efficient filter layer 2-1, medium air filtration layer 2-2 and high efficiency filter layer 2-3 in the inner, the primarily efficient filter layer 2-1 is close to institute The setting of magnetic metal net 6 is stated, the high efficiency filter layer 2-3 is arranged close to the fan unit 3;It the fan unit 3 and flows It is separated between unit 4 by partition 7, blower 3-1 is installed on the partition 7, offers ventilation opening on the partition 7, described Blower 3-1 outlet air end is connected on the ventilation opening;The stream unit 4 includes the homogenizing plate 4-1 set vertically in the inner, described It flows unit 4 and the installation bin 5 to separate by transverse slat 8, the transverse slat 8 is equipped with ventilation opening;It is equipped in the installation bin 5 Laser projection 5-1,1 front end of cabinet are equipped with opening, and laser projection 5-1 projection end is arranged close to the opening, 1 right end of cabinet is equipped with grid hole.
It the working principle of above-mentioned technical proposal and has the beneficial effect that and is divided into four functional sections in ventilated purification apparatus, respectively For filter element 2, fan unit 3, flow unit 4, installation bin 5.Air is inhaled by filter element 2, from laser projection 5-1 It is sent far from 2 side of filter element.The air side of 1 right end of cabinet and the air side laser projection 5-1 itself, that is, divulge information Airflow direction in purification device is consistent with the draft direction of laser projection 5-1 itself, the magnetic metal net 6 because Magnetic patch is installed with to generating magnetism, can effectively intercept metal particulate dust thicker in air, thus reach to air into The purpose of row filtration, purification.
In one embodiment, 1 bottom end of cabinet is equipped with separate installment support frame 9, the separate installment support Frame 9 includes that mounting plate 9-1, angle adjustment plate 9-2 and transition chassis frame 9-3, the mounting plate 9-1 are connected to the case 1 bottom end of body, the angle adjustment plate 9-2 are connected between the mounting plate 9-1 and transition chassis frame 9-3, the angle tune It saves plate 9-2 and is equipped with fixation hole 9-21 and angle adjustment holes 9-22, the angle adjustment holes 9-22 equipped with multiple, multiple angles Degree adjustment hole 9-22 is angularly distributed centered on the fixation hole 9-21, offers installation respectively on the transition chassis frame 9-3 Hole 9-31 and connecting hole 9-32, the mounting hole 9-31 are bolted with the fixation hole 9-21, the connecting hole 9-32 It is bolted with the angle adjustment holes 9-22.
It the working principle of above-mentioned technical proposal and has the beneficial effect that construct convenient for in-site installation, specially devises and lead to The matching used separate installment bearing support of ventilating purification apparatus, can be according to the desired crevice projection angle of laser projection 5-1, to angle The requirement that can meet crevice projection angle is adjusted in adjustable plate 9-2.
Preferably, the cabinet 1 is equipped with grid hole protective net 6-1, for divulging information and protecting.
Preferably, 1 front end of cabinet is equipped with maintenance door-plate 1-1, the maintenance door-plate 1-1 is close to the filter element 2 settings, overhaul the setting of door-plate 1-1, can facilitate maintenance, the replacement of each filter.
Preferably, 1 upper end of cabinet is equipped with lamina tecti 1-2, the lamina tecti 1-2 detachable connection is in the case 1 upper end of body, and be covered on the filter element 2, fan unit 3 respectively and flow 4 upper end of unit, filter element 2, fan unit 3, stream unit 4 one piece of lamina tecti 1-2 be set altogether, by each functional section carry out be isolated and it is closed.
In one embodiment, just effect G4 filter, the medium air filtration layer 2-2 are equipped in the primarily efficient filter layer 2-1 It is interior to be equipped with middle effect F7 filter, efficient H10 filter is equipped in the high efficiency filter layer 2-3.
Above-mentioned technical proposal has the beneficial effect that elementary, middle and high filter respectively to the particulate matter of diameters different in air It is effectively intercepted, to achieve the purpose that filter the air purification.
Preferably, the blower 3-1 is the centrifugal blower singly entered the wind, the blower 3-1 outlet air end has companion flange, The companion flange is bolted on the ventilation opening.
Preferably, 1 upper end of cabinet is equipped with flip plate 1-3, the flip plate 1-3 is covered in the installation bin 5 End.
Preferably, 5 bottom of installation bin is equipped with installation screw, the installation screw and set on the laser projection The installation fixing threaded hole of the bottom end 5-1 is cooperatively connected, and the laser projection 5-1 passes through sealing strip and the cross close to 8 end of transverse slat Plate 8 is docked.
Preferably, the transition chassis frame 9-3 is set as right-angled trapezium shape, the transition chassis frame 9-3 bevel edge end is close to described Angle adjustment plate 9-2 setting, the mounting hole 9-31 and connecting hole 9-32 are arranged close to the transition chassis frame 9-3 bevel edge end, institute It states bottom end under transition chassis frame 9-3 and is connected with connecting plate 9-4, multiple waist type mounting holes are offered on the connecting plate 9-4.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (10)

1. a kind of projector's ventilated purification apparatus, including cabinet (1), which is characterized in that in the cabinet (1) from left to right successively Equipped with filter element (2), fan unit (3), unit (4) and installation bin (5) are flowed, cabinet (1) left end is equipped with grid hole, The grid hole is equipped with magnetic metal net (6) close to the filter element (2) end, and the filter element (2) includes setting vertically Primarily efficient filter layer (2-1), medium air filtration layer (2-2) and high efficiency filter layer (2-3) in the inner, the primarily efficient filter layer (2-1) It is arranged close to the magnetic metal net (6), the high efficiency filter layer (2-3) is arranged close to the fan unit (3);The blower It is separated between unit (3) He Junliu unit (4) by partition (7), blower (3-1) is installed on the partition (7), the partition (7) ventilation opening is offered on, blower (3-1) outlet air end is connected on the ventilation opening;Stream unit (4) includes perpendicular Homogenizing plate (4-1) in the inner is directly set, unit (4) and the installation bin (5) of flowing is separated by transverse slat (8), the cross Plate (8) is equipped with ventilation opening;It is equipped with laser projection (5-1) in the installation bin (5), cabinet (1) front end is equipped with and opens Mouthful, laser projection (5-1) projection end is arranged close to the opening, and cabinet (1) right end is equipped with grid hole.
2. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that cabinet (1) bottom end is set Have separate installment support frame (9), the separate installment support frame (9) includes mounting plate (9-1), angle adjustment plate (9-2) and transition chassis frame (9-3), the mounting plate (9-1) are connected to the cabinet (1) bottom end, the angle adjustment plate (9-2) is connected between the mounting plate (9-1) and transition chassis frame (9-3), and the angle adjustment plate (9-2) is equipped with solid Determine hole (9-21) and angle adjustment holes (9-22), the angle adjustment holes (9-22) are equipped with multiple, multiple angle adjustment holes (9-22) is angularly distributed centered on the fixation hole (9-21), offers mounting hole respectively on the transition chassis frame (9-3) (9-31) and connecting hole (9-32), the mounting hole (9-31) are bolted with the fixation hole (9-21), the connection Hole (9-32) is bolted with the angle adjustment holes (9-22).
3. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that the cabinet (1) sets There is grid hole protective net (6-1), for divulging information and protecting.
4. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that cabinet (1) front end is set Have maintenance door-plate (1-1), the maintenance door-plate (1-1) is arranged close to the filter element (2).
5. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that cabinet (1) upper end is set Have lamina tecti (1-2), lamina tecti (1-2) detachable connection is covered on the mistake in the cabinet (1) upper end respectively Filter unit (2), fan unit (3) He Junliu unit (4) upper end.
6. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that the primarily efficient filter layer (2- 1) it is equipped with just effect G4 filter in, is equipped with middle effect F7 filter, the high efficiency filter layer (2- in the medium air filtration layer (2-2) 3) efficient H10 filter is equipped in.
7. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that the blower (3-1) is single The centrifugal blower of air inlet, blower (3-1) outlet air end have companion flange, and the companion flange is bolted to described On ventilation opening.
8. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that cabinet (1) upper end is set Have flip plate (1-3), the flip plate (1-3) is covered on the installation bin (5) upper end.
9. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that installation bin (5) bottom Equipped with installation screw, the installation screw is cooperatively connected with the installation fixing threaded hole for being set to the bottom end the laser projection (5-1), The laser projection (5-1) is docked by sealing strip with the transverse slat (8) close to transverse slat (8) end.
10. a kind of projector's ventilated purification apparatus according to claim 1, which is characterized in that the transition chassis frame (9-3) It is set as right-angled trapezium shape, transition chassis frame (9-3) the bevel edge end is arranged close to the angle adjustment plate (9-2), the mounting hole (9-31) and connecting hole (9-32) are arranged close to the transition chassis frame (9-3) bevel edge end, and bottom end connects under the transition chassis frame (9-3) It is connected to connecting plate (9-4), offers multiple waist type mounting holes on the connecting plate (9-4).
CN201910168624.7A 2019-03-06 2019-03-06 Projector's ventilated purification apparatus Pending CN109966807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910168624.7A CN109966807A (en) 2019-03-06 2019-03-06 Projector's ventilated purification apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910168624.7A CN109966807A (en) 2019-03-06 2019-03-06 Projector's ventilated purification apparatus

Publications (1)

Publication Number Publication Date
CN109966807A true CN109966807A (en) 2019-07-05

Family

ID=67078014

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910168624.7A Pending CN109966807A (en) 2019-03-06 2019-03-06 Projector's ventilated purification apparatus

Country Status (1)

Country Link
CN (1) CN109966807A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111443560A (en) * 2020-05-06 2020-07-24 杭州可天信息科技有限公司 Projector heat dissipation placement device based on centrifugal transmission

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6699301B1 (en) * 1999-06-02 2004-03-02 Stego-Holding Gmbh Ventilator
CN2710019Y (en) * 2004-05-25 2005-07-13 广东威创日新电子有限公司 Projector with superpurification air dustproof and lower temp.
CN201039358Y (en) * 2007-04-13 2008-03-19 南阳金光数字显示有限公司 Optical engine supporter for MD high-definition digital TV
KR20100054247A (en) * 2008-11-14 2010-05-25 김문섭 Air cleaning apparatus
CN204006488U (en) * 2014-07-25 2014-12-10 北京华强恒通环控设备科技发展有限公司 A kind of active carbon exhaust Air Cleaning machine
CN207741270U (en) * 2018-01-16 2018-08-17 浙江颐禾环境科技有限公司 A kind of ventilating system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6699301B1 (en) * 1999-06-02 2004-03-02 Stego-Holding Gmbh Ventilator
CN2710019Y (en) * 2004-05-25 2005-07-13 广东威创日新电子有限公司 Projector with superpurification air dustproof and lower temp.
CN201039358Y (en) * 2007-04-13 2008-03-19 南阳金光数字显示有限公司 Optical engine supporter for MD high-definition digital TV
KR20100054247A (en) * 2008-11-14 2010-05-25 김문섭 Air cleaning apparatus
CN204006488U (en) * 2014-07-25 2014-12-10 北京华强恒通环控设备科技发展有限公司 A kind of active carbon exhaust Air Cleaning machine
CN207741270U (en) * 2018-01-16 2018-08-17 浙江颐禾环境科技有限公司 A kind of ventilating system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
吴生绪 刘军 译: "《发明的诀窍》", 31 May 1990, 陕西人民教育出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111443560A (en) * 2020-05-06 2020-07-24 杭州可天信息科技有限公司 Projector heat dissipation placement device based on centrifugal transmission

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Application publication date: 20190705

RJ01 Rejection of invention patent application after publication