CN107942609A - A kind of teaching portable projector - Google Patents
A kind of teaching portable projector Download PDFInfo
- Publication number
- CN107942609A CN107942609A CN201810024882.3A CN201810024882A CN107942609A CN 107942609 A CN107942609 A CN 107942609A CN 201810024882 A CN201810024882 A CN 201810024882A CN 107942609 A CN107942609 A CN 107942609A
- Authority
- CN
- China
- Prior art keywords
- main body
- projector main
- additionally provided
- projector
- sucker
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G03B21/145—Housing details, e.g. position adjustments thereof
-
- 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
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to a kind of teaching portable projector, with projector main body, metal sizing bellows is connected with the central bottom of projector main body, metal sizing bellows lower end is equipped with sucker, aspiration pump is additionally provided with inside projector main body, which connects with metal sizing bellows and sucker；The afterbody of projector main body is equipped with wire and plug, and USB jack is additionally provided with projector main body；Loudspeaker is additionally provided with the central enclosure of projector main body, is additionally provided with Minitype radiating fan on the inside top of projector main body, which is used to radiate to projecting apparatus inside；Teaching projecting apparatus of the present invention need not be fixedly mounted in classroom, easy to carry, install and remove equal very simple, be suitable for teacher and carried with use.
Description
Technical field
The present invention relates to tutor auxiliary platform equipment technical field, especially a kind of teaching portable projector.
Background technology
In Multimedia Teaching, teacher usually needs that the content on computer screen is projected to curtain by projecting apparatus
Cloth gets on, and facilitates student in classroom to see clearly multimedia teaching picture, fixation is lifted on existing projecting apparatus mostly
On the ceiling of classroom, can not flexibly it move, it is not readily portable, and common portable projector also designs simply, can only be simple
Placement on the table, can not neatly be fixed on inclined-plane or metope, suitable for application in complicated teaching environment.
The content of the invention
The purpose of the present invention is aiming at traditional teaching with place of projecting apparatus above shortcomings, there is provided a kind of.
The present invention concrete scheme be：A kind of teaching portable projector, has projector main body, in projector main body
Central bottom be connected with metal sizing bellows, metal sizing bellows lower end be equipped with sucker, also set inside projector main body
There is aspiration pump, which connects with metal sizing bellows and sucker；The afterbody of projector main body is equipped with wire and plug, projection
USB jack is additionally provided with instrument body；Loudspeaker is additionally provided with the central enclosure of projector main body, the inside of projector main body is pushed up
Minitype radiating fan is additionally provided with, which is used to radiate to projecting apparatus inside.
Sucker when in use, can be covered on the conjunction on any inclined-plane or metope of multi-media classroom by teaching of the present invention with projecting apparatus
Place is put in right position, starts aspiration pump and takes out air in sucker, so that projector main body is tightly secured in suitable position, then pulls
Dynamic metal shapes bellows to proper angle, can project to projector main body on the curtain of multi-media classroom；In addition this hair
USB jack is additionally provided with bright projector main body, facilitates the projection of data, loudspeaker, Neng Goufei is additionally provided with projector main body
Often easily teach and use for teacher, while it is somewhat long to work as projecting apparatus usage time, its inner heat just clearly,
The Minitype radiating fan for opening inside at this time carries out radiating treatment to inside, can be effectively increased the service life and work of projecting apparatus
Stability when making.
Teaching projecting apparatus of the present invention need not be fixedly mounted in classroom, easy to carry, install and remove equal very simple,
It is suitable for teacher and carries with use.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention.
In figure：1-projector main body, 2-Minitype radiating fan, 3-loudspeaker, 4-USB jack, 5-wire and plug,
6-aspiration pump, 7-metal sizing bellows, 8-sucker.
Embodiment
The present invention is a kind of teaching portable projector, has projector main body 1, in the central bottom of projector main body
Metal sizing bellows 7 is connected with, metal sizing bellows lower end is equipped with sucker 8, aspiration pump is additionally provided with inside projector main body
6, which connects with metal sizing bellows and sucker；The afterbody of projector main body is equipped with wire and plug 5, projector main body
On be additionally provided with USB jack 4；Loudspeaker 3 is additionally provided with the central enclosure of projector main body, is also set on the inside top of projector main body
There is Minitype radiating fan 2, which is used to radiate to projecting apparatus inside.
Sucker when in use, can be covered on the conjunction on any inclined-plane or metope of multi-media classroom by teaching of the present invention with projecting apparatus
Place is put in right position, starts aspiration pump and takes out air in sucker, so that projector main body is tightly secured in suitable position, then pulls
Dynamic metal shapes bellows to proper angle, can project to projector main body on the curtain of multi-media classroom；In addition this hair
USB jack is additionally provided with bright projector main body, facilitates the projection of data, loudspeaker, Neng Goufei is additionally provided with projector main body
Often easily teach and use for teacher, while it is somewhat long to work as projecting apparatus usage time, its inner heat just clearly,
The Minitype radiating fan for opening inside at this time carries out radiating treatment to inside, can be effectively increased the service life and work of projecting apparatus
Stability when making.
Teaching projecting apparatus of the present invention need not be fixedly mounted in classroom, easy to carry, install and remove equal very simple,
It is suitable for teacher and carries with use.
Claims (1)
1. a kind of teaching portable projector, has projector main body, it is characterised in that：In the central bottom of projector main body
Metal sizing bellows is connected with, metal sizing bellows lower end is equipped with sucker, aspiration pump is additionally provided with inside projector main body, should
Aspiration pump is connected with metal sizing bellows and sucker；The afterbody of projector main body is equipped with wire and plug, is gone back on projector main body
Equipped with USB jack；Loudspeaker is additionally provided with the central enclosure of projector main body, is additionally provided with the inside top of projector main body miniature
Radiator fan, the Minitype radiating fan are used to radiate to projecting apparatus inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024882.3A CN107942609A (en) | 2018-01-11 | 2018-01-11 | A kind of teaching portable projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024882.3A CN107942609A (en) | 2018-01-11 | 2018-01-11 | A kind of teaching portable projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107942609A true CN107942609A (en) | 2018-04-20 |
Family
ID=61938508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024882.3A Withdrawn CN107942609A (en) | 2018-01-11 | 2018-01-11 | A kind of teaching portable projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107942609A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786294A (en) * | 2019-12-09 | 2020-10-16 | 湖南晨威高科有限公司 | Circulating heat dissipation type low-voltage electrical cabinet and use method thereof |
| CN112433434A (en) * | 2020-12-04 | 2021-03-02 | 杭州心尧贸易有限公司 | Fixed-point projection device based on multimedia conference management platform and operation method thereof |
| CN112837562A (en) * | 2020-12-29 | 2021-05-25 | 河南库课数字科技有限公司 | Multi-source projection system for efficient teaching and use method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191014011A (en) * | 1910-06-09 | 1911-05-04 | Charles George Lumley Cator | Improvements in Photographic Cameras. |
| JP2005164767A (en) * | 2003-12-01 | 2005-06-23 | Marantz Japan Inc | Projector apparatus |
| CN205354456U (en) * | 2016-01-16 | 2016-06-29 | 宿州学院 | English teaching appliance |
| CN206566946U (en) * | 2017-01-11 | 2017-10-20 | 南城县润华工贸有限公司 | A kind of use for laboratory Multifunctional chemical experiment table |
-
2018
- 2018-01-11 CN CN201810024882.3A patent/CN107942609A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191014011A (en) * | 1910-06-09 | 1911-05-04 | Charles George Lumley Cator | Improvements in Photographic Cameras. |
| JP2005164767A (en) * | 2003-12-01 | 2005-06-23 | Marantz Japan Inc | Projector apparatus |
| CN205354456U (en) * | 2016-01-16 | 2016-06-29 | 宿州学院 | English teaching appliance |
| CN206566946U (en) * | 2017-01-11 | 2017-10-20 | 南城县润华工贸有限公司 | A kind of use for laboratory Multifunctional chemical experiment table |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786294A (en) * | 2019-12-09 | 2020-10-16 | 湖南晨威高科有限公司 | Circulating heat dissipation type low-voltage electrical cabinet and use method thereof |
| CN112433434A (en) * | 2020-12-04 | 2021-03-02 | 杭州心尧贸易有限公司 | Fixed-point projection device based on multimedia conference management platform and operation method thereof |
| CN112837562A (en) * | 2020-12-29 | 2021-05-25 | 河南库课数字科技有限公司 | Multi-source projection system for efficient teaching and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |
|
| WW01 | Invention patent application withdrawn after publication |