CN111929972B - 一种用于教学的多媒体投影装置 - Google Patents
一种用于教学的多媒体投影装置 Download PDFInfo
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- CN111929972B CN111929972B CN202010779470.8A CN202010779470A CN111929972B CN 111929972 B CN111929972 B CN 111929972B CN 202010779470 A CN202010779470 A CN 202010779470A CN 111929972 B CN111929972 B CN 111929972B
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- fixedly connected
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- 239000000428 dust Substances 0.000 claims abstract description 106
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010779470.8A CN111929972B (zh) | 2020-08-05 | 2020-08-05 | 一种用于教学的多媒体投影装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010779470.8A CN111929972B (zh) | 2020-08-05 | 2020-08-05 | 一种用于教学的多媒体投影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111929972A CN111929972A (zh) | 2020-11-13 |
CN111929972B true CN111929972B (zh) | 2021-08-27 |
Family
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Family Applications (1)
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CN202010779470.8A Active CN111929972B (zh) | 2020-08-05 | 2020-08-05 | 一种用于教学的多媒体投影装置 |
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CN (1) | CN111929972B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112240462A (zh) * | 2020-11-25 | 2021-01-19 | 辽宁省交通高等专科学校 | 一种基于云计算的远程教学装置 |
CN112815194B (zh) * | 2021-01-29 | 2023-04-11 | 杨勇 | 一种计算机图像处理设备 |
CN113515004B (zh) * | 2021-04-30 | 2023-03-14 | 池州学院 | 一种视觉传达设计用投影装置 |
CN114035394B (zh) * | 2021-11-08 | 2024-06-11 | 东莞市影科电子有限公司 | 一种数字媒体播放装置 |
CN114035400B (zh) * | 2021-11-19 | 2023-10-17 | 西安财经大学 | 一种新媒体图像数字投影装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN208999749U (zh) * | 2018-10-23 | 2019-06-18 | 齐齐哈尔大学 | 一种多媒体教室用投影仪 |
CN112164250A (zh) * | 2020-10-20 | 2021-01-01 | 山东交通职业学院 | 一种电子商务情景教学实用多媒体投影器 |
CN112908049A (zh) * | 2021-01-25 | 2021-06-04 | 焦作大学 | 一种中文教学用多媒体装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2162548Y (zh) * | 1993-05-25 | 1994-04-20 | 王见 | 旅游用无电源风扇 |
CN2820233Y (zh) * | 2005-08-26 | 2006-09-27 | 杨莲传 | 风扇划船器 |
CN206786300U (zh) * | 2017-06-09 | 2017-12-22 | 庄仁山 | 一种多媒体教室用投影仪 |
CN107981824A (zh) * | 2017-11-30 | 2018-05-04 | 郭姗姗 | 一种能自动擦鞋的鞋柜 |
CN207535484U (zh) * | 2017-12-07 | 2018-06-26 | 天津新潮金彩包装印刷有限公司 | 一种具有高效除尘功能的印刷设备 |
CN208012452U (zh) * | 2018-01-11 | 2018-10-26 | 鹤壁市兴达化工机械有限公司 | 一种热交换器用除尘装置 |
CN207867821U (zh) * | 2018-02-08 | 2018-09-14 | 张心怡 | 一种具有防尘功能的电子商务用展示屏 |
CN209845146U (zh) * | 2019-06-24 | 2019-12-24 | 成都兴军安科技有限公司 | 一种具有防尘功能的视频监控用摄像头 |
CN211160794U (zh) * | 2019-07-09 | 2020-08-04 | 张嘉仪 | 一种合金加工板的表面清洁装置 |
-
2020
- 2020-08-05 CN CN202010779470.8A patent/CN111929972B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN208999749U (zh) * | 2018-10-23 | 2019-06-18 | 齐齐哈尔大学 | 一种多媒体教室用投影仪 |
CN112164250A (zh) * | 2020-10-20 | 2021-01-01 | 山东交通职业学院 | 一种电子商务情景教学实用多媒体投影器 |
CN112908049A (zh) * | 2021-01-25 | 2021-06-04 | 焦作大学 | 一种中文教学用多媒体装置 |
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CN111929972A (zh) | 2020-11-13 |
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Address after: No. 46, Youfu West Street, Nanjing, Jiangsu 210000 Patentee after: Nanjing City Vocational College (Nanjing Open University) Address before: No.1, Liangshan Road, Lishui District, Nanjing, Jiangsu, 211200 Patentee before: Nanjing City Vocational College (Nanjing Radio and Television University) |
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Effective date of registration: 20221219 Address after: Room 806-11, block B, software building, No.9 Xinghuo Road, Jiangbei new district, Nanjing, Jiangsu 210000 Patentee after: NANJING CASTLE SYSTEM ENGINEERING Co.,Ltd. Address before: No. 46, Youfu West Street, Nanjing, Jiangsu 210000 Patentee before: Nanjing City Vocational College (Nanjing Open University) |